A vehicle positioning method and system, capable of avoiding the interference to positioning caused by factors such as weather and location, and capable of obtaining more precise vehicle position information. The vehicle positioning method is used in a vehicle provided with a signal acquisition apparatus (320) and a processing apparatus (330), the method specifically comprising: using the signal acquisition apparatus (320) to acquire signals corresponding to a plurality of magnetic elements (310) that the vehicle has passed (S110), the plurality of magnetic elements (310) being positioned on a road on which the vehicle is driving; using the processing apparatus (330) to determine the number of magnetic pole changes of the magnetic elements (310) on the basis of the signals acquired by the signal acquisition apparatus (320) and a preset change rule and, on the basis of the number of magnetic pole changes and a distance parameter corresponding to the magnetic elements (310), obtain position information of the vehicle on the road (S120).
A method and a system for positioning a movable target (230). Said method comprises: providing location modules (210a, 210b, 210c) on a fixed surface in a pre-set manner, the location modules (210a, 210b, 210c) pre-storing corresponding location information of the location modules (210a, 210b, 210c), and the location information comprising information about the relative location between the location modules (210a, 210b, 210c) and a reference point (S110); the movable target (230) passing through all the location modules (210a, 210b, 210c), so that an identification module (220) identifies various pieces of location information and sends same to a processing module (320) (S120); and the processing module (320) receiving the location information sent by the identification module (220), and determining the location parameters of the movable target (230) on the basis of the location information (S130). The method and the system can improve the positioning accuracy to some extent, and can achieve accurate positioning of a movable target (230).
G01C 21/00 - NavigationInstruments de navigation non prévus dans les groupes
G01V 3/08 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection
3.
MOVABLE TARGET ENTITY POSITIONING METHOD AND DEVICE
A movable target entity (230) positioning method and a device, the method comprising: a movable target entity (230) having a reception unit (220) disposed thereon, the reception unit (220) using an induction coil for receiving signals, and a transmission unit (210) using a transmission coil for transmitting signals; the reception unit (220) receiving a positioning signal from the transmission unit (210), the positioning signal comprising identity information of the transmission unit (210) and status information of the transmission coil (S110); the reception unit (220) sending the positioning signal to a first computation unit (240) (S120); and the first computation unit (240), on the basis of the positioning signal, computing coordinate parameters and attitude parameters for the movable target entity (230) (S130). The method and device are able, to a certain degree, to enhance positioning accuracy, thus achieving the accurate positioning of a movable target entity (230).
G01C 21/00 - NavigationInstruments de navigation non prévus dans les groupes
G01V 3/10 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection en utilisant des cadres inducteurs
09 - Appareils et instruments scientifiques et électriques
Produits et services
Humanoid robots with artificial intelligence; downloadable computer software applications for mobile phones, portable media players, handheld computers, namely, software for application integration and database integration; downloadable mobile applications for application integration and database integration; data processing apparatus; cell phones; network communication equipment, namely, communication hubs and network routers; headset, namely, telephone headsets; cameras; diagnostic apparatus, not for medical purposes, namely, diagnostic apparatus for chip testing; transducer, namely, electrical transducer; electronic chip, namely, electronic sensor chip for scientific use; dustproof masks, namely, dust masks; protective masks, namely, protective face masks not for medical purposes; protective eyewear; eyeglasses; mobile power, namely, rechargeable battery
5.
SEPARABLE ELECTRICALLY-CONDUCTIVE CONNECTION MEMBER AND INTELLIGENT ANASTOMOTIC DEVICE WITH VIEWING FUNCTION
A separable electrically-conductive connection member comprises a first connection member (10) and a second connection member (20). The first connection member (10) comprises a first main body (11) having a hollow cavity. An inner surface of the first main body (11) is provided with a plurality of electrically-conductive contacts (12) arranged at intervals in an axial direction of the first main body (11). The second connection member (20) comprises a second main body (21) and an insert (22) provided inside the second main body (21). The insert (22) is coaxial with and insulated from the second main body (21). An outer surface of the insert (22) is provided with a plurality of electrically-conductive portions (22a) arranged at intervals in an axial direction of the insert (22). The electrically-conductive portions (22a) are in contact with the electrically-conductive contacts (12) in a one-to-one manner, such that the first connection member and the second connection member are interconnected electrically. Also provided is an intelligent anastomotic device with a viewing function. A photographing assembly (31) is electrically connected to the intelligent anastomotic device to realize viewing of a surgical process, such that a surgeon can monitor a surgical process in real time, thereby reducing a workload of the surgeon while reducing postoperative complications of a patient, and facilitating postoperative recovery of the patient.
An intelligent anastomotic device comprises a main body assembly (10), a control module, and a pressure sensing device (12). An end portion of the main body assembly (10) is provided with a supporting frame (11). The supporting frame (11) has a staple hole for accommodating a staple. The pressure sensing device (12) comprises electrically-conductive pins (1) spaced apart with a preset angle at an outer peripheral side of the supporting frame (11). The electrically-conductive pin (1) has a first end (1a) and a second end (1b). The second end (1b) is electrically connected to the control module. Resistance mediums (2) cover an end portion of the supporting frame (11) and are arranged at intervals in a region defined with a preset angle, such that the resistance mediums (2) at two ends of the region are electrically connected to respective first ends of two electrically-conductive pins (1) adjacent thereto. An insulating protection film (3) has a through hole (3a) corresponding to the staple hole, and is attached to the exterior of the resistance mediums (2). The insulating protection film (2) can transfer a force applied thereto to the resistance medium (2), and the electrically-conductive pin (1) is used to convert a resistance value of the resistance mediums (2) into a pressure value. The intelligent anastomotic device detects, by means of a pressure sensing device (12), a magnitude of a squeezing pressure in real time, thereby preventing the risk of various surgical complications.
An intelligent anastomotic device capable of sensing an in vivo temperature comprises an anvil assembly (10), a main body assembly (20), a control module, and an electrically-conductive connection member (30). The anvil assembly (10) comprises a hollow shaft (11) extending in a direction of a central axis thereof. The main body assembly (20) comprises a housing (21) and a center rod (22) provided inside the housing (21). The electrically-conductive connection member (30) comprises a first connection member (31) and a second connection member (32) detachably connected by means of insertion. The first connection member (31) is connected to the hollow shaft (11). The second connection member (32) is connected to the center rod (22). The electrically-conductive connection member (30) is electrically connected to the control module. A temperature sensing assembly (12) is provided inside the anvil assembly (10). The temperature sensing assembly (12) is electrically connected to the electrically-conductive connection member (30) to detect an in vivo temperature of a human body. The intelligent anastomotic device enables measurement of an in vivo temperature of a patient during a surgical operation, thereby reducing erroneous surgical judgements and operations.
A61B 17/115 - Agrafeuses pour réaliser une anastomose, p. ex. en une seule opération
A61B 5/01 - Mesure de la température de parties du corps
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p. ex. pour le traitement de la luxation ou pour la protection de bords de blessures
8.
CHARGE OUTPUT ELEMENT AND ANNULAR SHEAR PIEZOELECTRIC ACCELERATION SENSOR
A charge output element, comprising: a base (110), which comprises a supporting part (111), a connecting part (112), and a mounting hole (113); a piezoelectric element (120), sleeved on the connecting part (112), an annular gap being formed between the piezoelectric element (120) and the connecting part (112); a mass block (130), sleeved on the piezoelectric element (120); a pre-tightening member (140), inserted in the annular gap; a locking member (150), having a columnar part (151) and a stop part (152) connected to each other, the columnar part (151) cooperating with the mounting hole (113) to lock the components above, and the stop part (152) pressing against a first end (142), so that the pre-tightening member (140) provides a radial pre-tightening force to tightly fix the piezoelectric element (120), the mass block (130), and the base (110). Since contact in the charge output element is all rigid, the contact rigidity of the overall structure can be greatly improved, and no adhesive is needed, thereby effectively shortening the mounting period of the charge output element. Also provided is an annular shear piezoelectric acceleration sensor comprising the charge output element.
G01P 15/09 - Mesure de l'accélérationMesure de la décélérationMesure des chocs, c.-à-d. d'une variation brusque de l'accélération en ayant recours aux forces d'inertie avec conversion en valeurs électriques ou magnétiques au moyen de capteurs piézo-électriques
9.
CHARGE OUTPUT ELEMENT AND RING-SHAPED SHEARING TYPE PIEZOELECTRIC ACCELERATION SENSOR
Embodiments of the present invention provide a charge output element and a ring-shaped shearing type piezoelectric acceleration sensor. The charge output element comprises a base, a piezoelectric element, a mass block, a pre-tightening member, and a locking member. The base comprises a supporting portion, a connecting portion, and a mounting hole. The piezoelectric element is sleeved outside the connecting portion, and a ring-shaped gap is formed between the piezoelectric element and the connecting portion. The mass block is sleeved outside the piezoelectric element. The pre-tightening member is inserted in the ring-shaped gap. The locking member is provided with a columnar portion and a stop portion that are connected with each other. The columnar portion and the mounting hole cooperate to lock the elements. The stop portion presses against a first end, so that the pre-tightening member provides a radial pre-tightening force to fasten the piezoelectric element, the mass block and the base. In the present invention, because charge output elements are in rigid contact, the contact rigidity of the whole structure is greatly improved, and adhesion is not needed, thereby effectively shortening the mounting period of the charge output elements.
G01P 15/09 - Mesure de l'accélérationMesure de la décélérationMesure des chocs, c.-à-d. d'une variation brusque de l'accélération en ayant recours aux forces d'inertie avec conversion en valeurs électriques ou magnétiques au moyen de capteurs piézo-électriques
10.
CHARGE OUTPUT ELEMENT AND ANNULAR SHEAR-TYPE PIEZOELECTRIC ACCELERATION SENSOR
Disclosed is a charge output element (1), comprising: a base (10), comprising a supporting part (11) and a connecting part (12) arranged on the supporting part (11), the connecting part (12) being provided with a mounting hole (13); a support (20), sheathed on the connecting part (12) and arranged a clearance away from the connecting part (12), the support (20) being connected to the supporting part (11); a piezoelectric element (30), connected to the support (20) in a sheathed manner; and a mass block (40), connected to the piezoelectric element (30) in a sheathed manner and hanging in the air above the supporting part (11). Further disclosed is an annular shear-type piezoelectric acceleration sensor. The charge output element (1) and the annular shear-type piezoelectric acceleration sensor can prevent the impacts of a connecting member on the piezoelectric element (30), thereby ensuring the stability of the frequency response and the transverse sensitivity of the annular shear-type piezoelectric acceleration sensor and thus ensuring the accuracy of a detection result.
G01P 15/09 - Mesure de l'accélérationMesure de la décélérationMesure des chocs, c.-à-d. d'une variation brusque de l'accélération en ayant recours aux forces d'inertie avec conversion en valeurs électriques ou magnétiques au moyen de capteurs piézo-électriques
11.
PIEZOELECTRIC CERAMIC STACKED STRUCTURE AND PIEZOELECTRIC SENSOR
A piezoelectric ceramic stacked structure and a piezoelectric sensor. The piezoelectric ceramic stacked structure comprises: a columnar piezoelectric ceramic body (10) comprising a first end portion (101) and a second end portion (102) opposite each other in the axial direction, wherein the columnar piezoelectric ceramic body (10) comprises two or more piezoelectric ceramic stacked layers (103), and two adjacent electrodes of two adjacent piezoelectric ceramic stacked layers (103) from among the two or more piezoelectric ceramic stacked layers (103) have the same polarity; a surface, facing the first end portion (101), of each piezoelectric ceramic stacked layer (103) is provided with an electrode lead terminal (103a); and two adjacent electrode lead terminals (103a) have opposite polarities and are arranged in a staggered manner in the axial direction, and the electrode lead terminal (103a) provided on each piezoelectric ceramic stacked layer (103) in the columnar piezoelectric ceramic body (10) is exposed to the n external environment; and a connecting component (20), wherein the two or more piezoelectric ceramic stacked layers (103) are connected by means of the connecting component (20). The piezoelectric ceramic stacked structure can improve the overall rigidity thereof, thereby improving the frequency response characteristics, and reducing the stress value fluctuations in a high-temperature environment. The structure is simple and is suitable for mass production.
A charge output element (1), comprising: a support (10) comprising a connecting component (11); a piezoelectric element (20), which is an annular structural body and is sleeved on the connecting component (11), wherein the piezoelectric element (20) is provided with a first deformation groove (23), and the first deformation groove (23) passes through a side wall of the piezoelectric element (20) to disconnect the piezoelectric element (20) in a circumferential direction; and a mass block (30), which is an annular structural body and is sleeved on the piezoelectric element (20), wherein the piezoelectric element (20) is in interference fit with the connecting component (11) and the mass block (30), and the piezoelectric element (20), the mass block (30) and the support (10) of the charge output element (1) are in rigid contact with each other, so that the overall rigidity of the charge output element (1) can be effectively improved, thus improving the frequency response characteristics and resonance of the piezoelectric acceleration sensor. Moreover, the first deformation groove (23) provided on the piezoelectric element (20) causes the piezoelectric element (20) to deform to a greater extent so as to facilitate the assembly of the mass block (30), the piezoelectric element (20) and the support (10), thereby improving the assembly efficiency of the charge output element (1). Further disclosed are a method for assembling the charge output element (1) and a piezoelectric acceleration sensor.
G01P 15/09 - Mesure de l'accélérationMesure de la décélérationMesure des chocs, c.-à-d. d'une variation brusque de l'accélération en ayant recours aux forces d'inertie avec conversion en valeurs électriques ou magnétiques au moyen de capteurs piézo-électriques
A three-axis piezoelectric sensor, comprising: a housing (1), three charge output elements (2) arranged inside the housing (1), and a connector (3) electrically connected to the three charge output elements (2), wherein the three charge output elements (2) are respectively used for detecting the vibration in the X-axis, Y-axis and Z-axis directions, wherein the X-axis, Y-axis and Z-axis are perpendicular to each other in pairs. The charge output element (2) comprises: a bracket (21), comprising a connection component (21a); a piezoelectric element (22), same being an annular structural body, wherein the piezoelectric element (22) is sleeved on the connection component (21a), a first deformation groove (22a) is arranged on the piezoelectric element (22), and the first deformation groove (22a) penetrates through a side wall of the piezoelectric element (22), such that the piezoelectric element (22) is disconnected in a loop direction; and a mass block (23), same being an annular structural body, wherein the mass block (23) is sleeved on the piezoelectric element (22), and where the piezoelectric element (22) is in an interference fit with the connection component (21a), and the piezoelectric element (22) is in an interference fit with the mass block (23). The three-axis piezoelectric sensor has the characteristic of a good frequency response.
G01P 15/09 - Mesure de l'accélérationMesure de la décélérationMesure des chocs, c.-à-d. d'une variation brusque de l'accélération en ayant recours aux forces d'inertie avec conversion en valeurs électriques ou magnétiques au moyen de capteurs piézo-électriques
A bearing detecting device and method. The detecting device comprises a micro vibration sensor and a processor embedded into the same part of a bearing; the processor is connected to the micro vibration sensor; the detecting device further comprises transmitting and receiving antennas, the transmitting antenna is embedded into the part where the micro vibration sensor is positioned, and the receiving antenna is provided outside the bearing. The detecting method comprises: using the micro vibration sensor embedded in the bearing to detect an acceleration signal of the bearing; carrying out Fourier transform on the acceleration signal to obtain a characteristic frequency spectrum of the bearing; and performing matching between the characteristic frequency of the bearing and known fault characteristic frequencies of the bearing to obtain fault information of the bearing. The detecting method allows a sensor to be positioned close to a bearing as possible, thereby reducing attenuation of a fault signal of the bearing.
An electronic bandage. The electronic bandage comprises a weaving layer (1), an insulating layer (2), and a conductive layer (3) sequentially arranged from top to bottom. A power supply (9) and a negative high voltage generator (4) that are connected to each other are provided in the insulating layer (2); the negative high voltage generator (4) is also connected to the conductive layer (3); two or more supporting bars (5) are provided in the conductive layer (3) at intervals along the length direction; the supporting bars (5) protrude downwardly from the conductive layer (3); two or more microelectrodes (6) are distributed on the lower surface of the conductive layer (3); and the height of downward protruding portions of the supporting bars (5) are greater than that of the microelectrodes (6). The electronic bandage can provide negative ions for wound surfaces after wounds are dressed, so that wound infection is avoided.
Disclosed are an air purifier and a method for detecting a particle concentration. The air purifier comprises a purifying device (10, 101), a first detecting device (50, 102) and a processor (103). The purifying device (10, 101) is used for purifying the air within a predetermined range. The first detecting device (50, 102) is at a first predetermined distance from the purifying device (10, 101) and is able to acquire a pre-purification particle concentration. The processor (103) is used for calculating a post-purification particle concentration corresponding to the pre-purification particle concentration, based on the pre-purification particle concentration and a pre-stored relationship between the pre-purification particle concentration and the post-purification particle concentration.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaireAppareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par purification, p. ex. par filtrageSystèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaireAppareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par stérilisationSystèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaireAppareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p. ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale
F24F 11/00 - Aménagements de commande ou de sécurité
17.
DUST CONCENTRATION DETECTION DEVICE AND DUST CONCENTRATION DETECTION METHOD
A dust concentration detection device and dust concentration detection method. The dust concentration detection device comprises: an electric field generator (110) used to generate an electric field across air to be tested; an electrical signal measurement module (120) connected to the electric field generator (110) and used to detect a change of an electrical signal in a loop where the electric field is located; and a processor (130) used to receive the electrical signal and analyze the change of the electrical signals, thereby acquiring dust mass concentration in the air to be tested.
A lead-free piezoelectric ceramic material and lead-free piezoelectric component. The piezoelectric ceramic material comprises a substrate. The substrate is a layered bismuth-based compound. The substrate is doped with at least one of the following: a niobium component and a cerium component.
C04B 35/475 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de bismuth
C04B 35/622 - Procédés de mise en formeTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques
