Locking and listing device based on precise point location recognition

Abstract

The utility model discloses a locking and listing device based on accurate point location identification, which comprises a lockset, the lockset comprises a lock body and a lock ring, the lock body is provided with a lock hole matched with the lock ring, the end part of the movable end of the lock ring is provided with a first magnet, and a Hall sensor is arranged in the lock hole; the RFID recognizer is arranged on the lock body, a recognition coil of the RFID recognizer is concentric with the lock hole, and the recognition distance of the RFID recognizer ranges from 3 mm to 5 mm; the RFID tag is arranged on a bottom shell of the equipment point location, and an induction coil of the RFID tag is concentric with an earhole of the bottom shell. According to the utility model, the problem of wrong point locations of equipment for locking and listing when the equipment point locations are dense can be effectively avoided, the quality of locking and listing operation is effectively improved by technical means, and the accident probability is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the equipment safety technical field, especially, relate to a lock and hang a card device based on accurate point position identification. BACKGROUND

[0002] Lock and hang a card (LOTO, LockOutTag Out) refers to when equipment, device maintenance or modification, effectively lock flammable, toxic substances, power devices and other dangerous goods and energy, to ensure personnel safety and environmental equipment can be fully protected.

[0003] The existing lock and hang a card operation usually adopts the cooperation of traditional lock and sign, and the target equipment point is identified by the maintenance personnel and the target equipment point is locked and hung a card, which cannot accurately detect whether the target equipment point is locked and hung a card, and due to the lax awareness of the maintenance personnel, it is easy to forget to lock and hang a card, lock and hang a card not in place, lock and hang a card equipment point error, equipment state preset condition does not match and other problems, for example, for the case that a large number of equipment points are closely arranged together, the lock and hang a card is easy to appear the lock and hang a card of the wrong equipment point, and the energy switch is not disconnected before locking and hanging a card, and the cover is not closed when hanging a card, resulting in false locking and hanging a card. INVENTION CONTENTS

[0004] The utility model aims at overcoming the prior art deficiency, providing a lock and hang a card device based on accurate point position identification, which can effectively avoid the lock and hang a card of the wrong equipment point when locking and hanging a card for dense equipment points.

[0005] The utility model realizes the following technical scheme: a lock and hang a card device based on accurate point position identification, comprising:

[0006] The lock comprises a lock body and a lock ring, the lock body is provided with a lock hole matched with the lock ring, the movable end of the lock ring is provided with a first magnet, and the lock hole is provided with a hall sensor;

[0007] The RFID identifier is arranged on the lock body, the identification coil of the RFID identifier is concentric with the lock hole, and the identification distance of the RFID identifier is 3mm-5mm;

[0008] The RFID tag is arranged on the bottom shell of the equipment point, and the induction coil of the RFID tag is concentric with the ear hole of the bottom shell.

[0009] Further, the RFID tag comprises an RFID tag chip and an induction coil, and a switch circuit is connected in series between the RFID tag chip and the induction coil; wherein, when the upper cover of the equipment point is closed, the switch circuit is in a conductive state, and when the upper cover of the equipment point is opened, the switch circuit is in a disconnected state.

[0010] Further, the switch circuit comprises a reed switch, the reed switch is connected in series between the RFID tag chip and the induction coil, and the upper cover is provided with a second magnet; wherein, when the upper cover of the equipment point is closed, the reed switch is in a conductive state, and when the upper cover of the equipment point is opened, the reed switch is in a disconnected state.

[0011] Further, the upper lock plaque device further comprises a state sensing circuit for detecting state information of the equipment point, the state sensing circuit is arranged in the bottom shell of the equipment point, the RFID tag comprises an RFID tag chip and an induction coil, and the RFID tag chip is connected with the induction coil and the state sensing circuit.

[0012] Further, the RFID tag comprises a first RFID tag chip, a first capacitor and a first induction coil, the first capacitor is connected between the AC1 pin and the AC2 pin of the first RFID tag chip, and the first induction coil is connected between the AC1 pin and the AC2 pin of the first RFID tag chip.

[0013] Further, the RFID tag comprises a second RFID tag chip, a second capacitor, a second induction coil and a second switch, the second capacitor is connected between the AC1 pin and the AC2 pin of the second RFID tag chip, the second induction coil is connected between the AC1 pin and the AC2 pin of the second RFID tag chip, the second switch is connected in series between the second induction coil and the AC2 pin of the second RFID tag chip, and the second switch is a reed switch or a travel switch.

[0014] Further, the RFID tag comprises a tenth RFID tag chip, an MCU chip, a tenth capacitor, a twelfth capacitor, a fifteenth capacitor, a tenth induction coil, an eleventh diode, a tenth diode, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a temperature sensor, an eleventh switch, a twelfth switch and a first connector, the tenth RFID tag chip has a bus communication interface, the tenth capacitor is connected between the AC0 pin and the AC1 pin of the tenth RFID tag chip, the tenth induction coil is connected between the AC0 pin and the AC1 pin of the tenth RFID tag chip, the anode of the eleventh diode is connected with the VE pin of the tenth RFID tag chip, the anode of the tenth diode is connected with the VCC pin of the tenth RFID tag chip, the cathode of the eleventh diode and the pin of the tenth diode are connected to a first connection point, one end of the eleventh resistor is connected with the SCL pin of the tenth RFID tag chip, one end of the twelfth resistor is connected with the SDA pin of the tenth RFID tag chip, the other end of the eleventh resistor and the other end of the twelfth resistor are both connected to the first connection point, one end of the twelfth capacitor is connected to the first connection point, the other end of the twelfth capacitor is connected with the GND pin of the tenth RFID tag chip, the VCC pin of the MCU chip is connected to the first connection point, the SCL pin of the MCU chip is connected with the SCL pin of the RFID tag circuit, the SDA pin of the MCU chip is connected with the SDA pin of the RFID tag circuit, the GND pin of the MCU chip is connected with the GND pin of the RFID tag circuit, one end of the thirteenth resistor is connected to the first connection point, the other end of the thirteenth resistor is connected with one end of the temperature sensor NTC, the other end of the temperature sensor NTC is connected with the GND pin of the MCU chip, one end of the fourteenth resistor is connected with the ADC2 pin of the MCU chip, the other end of the fourteenth resistor is connected with the first port of the first connector, the second port of the first connector is connected with one end of the fifteenth resistor, the other end of the fifteenth resistor is grounded, the second port of the first connector is connected with one end of the fifteenth capacitor, the other end of the fifteenth capacitor is grounded, the eleventh switch is connected in series between the GPIO2 pin and the GND pin of the MCU chip, and the twelfth switch is connected in series between the GPIO1 pin and the GND pin of the MCU chip.

[0015] Further, the locking plaque device further comprises a key matched with the lock.

[0016] Further, the key is provided with a fingerprint identification module.

[0017] Further, the lock is provided with an indicator light and a display screen.

[0018] Compared with the prior art, the utility model has the following advantages and beneficial effects: in the utility model, the inductive coil of the RFID label is arranged concentrically with the bottom shell ear hole of the equipment point, the identification coil of the RFID identifier is arranged concentrically with the lock hole of the lock, the identification distance of the RFID identifier is 3mm-5mm, only when the inductive coil and the identification coil are basically concentric and relatively close, the RFID identifier can identify the RFID label, therefore only when the lock is hung on the correct equipment point, the target RFID label can be identified, and then the lock can be successfully locked, mm level equipment point identification is realized, and the equipment point error of the locked and hung plaque when the equipment points are dense is effectively avoided through technical means. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings described herein are used to provide further understanding of the embodiments of the utility model and form part of the present application, and do not constitute limitation to the embodiments of the utility model.

[0020] Figure 1 It is a principle block diagram of the locking and hanging plaque device in the utility model;

[0021] Figure 2 It is a schematic diagram when multiple equipment points are densely arranged;

[0022] Figure 3 It is a side surface schematic diagram when the lock is locked on the equipment point in the utility model;

[0023] Figure 4 It is Figure 3 The enlarged schematic diagram of C in the utility model;

[0024] Figure 5 It is a three-dimensional schematic diagram when the lock is locked on the equipment point in the utility model;

[0025] Figure 6 It is Figure 5 The enlarged schematic diagram of A in the utility model;

[0026] Figure 7 It is Figure 5 The enlarged schematic diagram of B in the utility model;

[0027] Figure 8 It is an RFID label circuit without state monitoring in the utility model;

[0028] Figure 9 It is an RFID label circuit with state monitoring in the utility model;

[0029] Figure 10 It is an RFID label circuit with multiple state monitoring in the utility model;

[0030] In the figure, 1 is a device point, 2 is a bottom shell, 3 is an upper cover, 4 is an energy source switch, 5 is a point carrier, 6 is a lock, 7 is a lock ring, 8 is a key, 9 is a lock hole, 10 is an identification coil, 11 is a second magnet, 12 is an induction coil, and 13 is a state sensing circuit. DETAILED DESCRIPTION

[0031] The technical solutions of the utility model are further illustrated below in combination with the drawings and through specific embodiments.

[0032] Among them, the drawings are only used for example explanation, and the representation is only a schematic diagram, and cannot be understood as the limitation to the utility model; in order to better illustrate the embodiments of the utility model, some components of the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures in the drawings and their descriptions can be omitted.

[0033] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for example illustration, and cannot be understood as the limitation to the utility model, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0034] In the description of the utility model, unless otherwise explicitly specified and limited, if the terms "connection" and the like appear, the terms should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two components or the interaction relationship between two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0035] As shown in the figure, the utility model discloses a lock and hang a plaque device based on accurate point recognition. Figures 1 to 10

[0036] As shown in the figure, the utility model discloses a lock and hang a plaque device based on accurate point recognition. Figure 1

[0037] ​​As shown in Figure 2 The device point 1 includes a bottom shell 2 and an upper cover 3. The bottom shell 2 is provided with a power switch 4, and the bottom shell 2 and the upper cover 3 are both provided with an ear hole. The ear hole of the bottom shell 2 is referred to as a bottom shell ear hole, and the ear hole of the upper cover 3 is referred to as an upper cover ear hole. The bottom shell 2 and the upper cover 3 are not limited to Figure 2 the appearance shown in the figure, but can also be a square box, a round box, a special-shaped structure, and the like, which restricts operation. When locking and hanging a card, the lock ring 7 of the lock 6 passes through the bottom shell ear hole and the upper cover ear hole and then performs a locking action.

[0038] As shown in Figure 3 and Figure 4 , the lock 6 includes a lock body and a lock ring 7. The lock body is provided with a lock hole 9 matched with the lock ring 7. The end of the movable end of the lock ring 7 is provided with a first magnet, and the lock hole 9 is provided with a Hall sensor. The RFID identifier is arranged on the lock body. The identification coil 10 of the RFID identifier is concentric with the lock hole 9. The identification distance of the RFID identifier is 3 mm-5 mm. The RFID tag is arranged on the bottom shell 2 of the device point 1. The induction coil 12 of the RFID tag is concentric with the ear hole of the bottom shell 2.

[0039] In this embodiment, only when the induction coil 12 and the identification coil 10 are substantially concentric and relatively close, the RFID identifier can identify the RFID tag, so that the lock 6 can only identify the target RFID tag when hung on the correct device point 1, and then the lock 6 can be successfully locked, thereby achieving millimeter-level identification matching of the device point 1 and effectively avoiding the problem of incorrect device point 1 when multiple device points 1 are closely arranged together.

[0040] In this embodiment, the Hall sensor and the first magnet are matched to detect whether the lock ring 7 is inserted into the preset position in the lock hole. Only when the lock ring 7 is inserted into the preset position can the lock be successfully locked.

[0041] For the case that multiple device points 1 are densely arranged on the same point carrier 5, when the locking and hanging card system in this embodiment is used, if the lock 6 is hung on other device points 1 except the target device point 1, the lock 6 cannot be locked. Only when the lock 6 is hung on the correct device point 1 can the lock 6 be locked, so as to complete the locking and hanging card operation.

[0042] The Hall sensor is arranged on the side wall or the bottom of the lock hole 9.

[0043] The lock 6 is not limited to Figure 3 the form of the padlock shown in the figure, but can also be a bolt lock, a handle lock, and other forms of the lock 6. According to different structures, the induction coil 12 and the identification coil 10 are adjusted in size and shape and matched in identification distance.

[0044] For example, the lock body is provided with a first controller and a locking mechanism, and the first controller can be a SOC (system on chip) or a MCU (micro control unit). The first controller is connected with an RFID identifier, a hall sensor and the locking mechanism. The first controller receives detection information from the RFID identifier and the hall sensor, and sends a locking signal to the locking mechanism when the detection information meets preset conditions (for example, the hall sensor senses the first magnet and the RFID identifier identifies the target RFID tag), and the locking mechanism performs a locking action after receiving the locking signal. The RFID identifier includes an induction coil 12 and an RFID identification circuit, and the RFID identification circuit is connected with the first controller and the induction coil 12.

[0045] In some embodiments of the present embodiment, the RFID tag includes an RFID tag chip and an induction coil 12, and a switch circuit is connected in series between the RFID tag chip and the induction coil 12. When the upper cover 3 of the equipment point is closed, the switch circuit is in a conduction state, and when the upper cover 3 of the equipment point is opened, the switch circuit is in a disconnection state.

[0046] In these embodiments, when the switch circuit is in conduction, the RFID tag can be read by the RFID identifier, so as to determine that the upper cover 3 has been closed, and at this time, the lock hanging condition is met; when the switch circuit is disconnected, the RFID tag cannot be read by the RFID identifier, so as to determine that the upper cover 3 is opened, and at this time, the lock hanging condition is not met. Therefore, only when the upper cover 3 is closed, the lock 6 will perform a locking action, so as to ensure that the upper cover 3 of the equipment point 1 which completes the lock hanging is closed on the bottom shell 2, as shown in FIG. 1. These embodiments ensure the quality of the lock hanging operation through technical means, and effectively prevent false lock hanging of the upper cover 3 which is not closed. Figure 5

[0047] In some embodiments of the present embodiment, the switch circuit includes a reed switch connected in series between the RFID tag chip and the induction coil 12, and the upper cover 3 is provided with a second magnet 11. When the upper cover 3 of the equipment point is closed, the reed switch is in a conduction state, and when the upper cover 3 of the equipment point is opened, the reed switch is in a disconnection state.

[0048] In these embodiments, as shown in FIG. 2, the RFID tag chip and the induction coil 12 are connected in series through the reed switch, and the reed switch is in a conduction state when the upper cover 3 is closed, and the reed switch is in a disconnection state when the upper cover 3 is opened. Figure 6 ​As shown, the second magnet 11 is arranged on the upper cover 3 of the equipment point 1, and the reed switch is arranged on the bottom shell 2 of the equipment point 1. When the upper cover 3 is closed, the reed switch is closed under the action of the second magnet 11, at this time, the circuit between the RFID tag chip and the induction coil 12 is conducted, and the RFID identifier can identify the RFID tag; when the upper cover 3 is opened, the second magnet 11 is away from the reed switch, and the reed switch is opened, at this time, the circuit between the RFID tag chip and the induction coil 12 is disconnected, and the RFID identifier cannot identify the RFID tag. These embodiments realize the detection of whether the upper cover 3 is closed through the cooperation of the second magnet 11 and the reed switch.

[0049] The closure detection of the upper cover 3 can also be realized in other ways, for example, a travel switch is used to realize the detection of whether the upper cover 3 is closed. Specifically, the switch circuit includes a travel switch, which is connected in series between the RFID tag chip and the induction coil 12. When the upper cover 3 is closed, the travel switch is closed, and when the upper cover 3 is opened, the travel switch is opened. When the upper cover 3 is closed, the travel switch is closed, at this time, the circuit between the RFID tag chip and the induction coil 12 is conducted, and the RFID identifier can identify the RFID tag; when the upper cover 3 is opened, the travel switch is opened, at this time, the circuit between the RFID tag chip and the induction coil 12 is disconnected, and the RFID identifier cannot identify the RFID tag.

[0050] In some embodiments of the present embodiment, as shown in Figure 4 and Figure 7 The induction coil 12 is embedded in the bottom shell 2, and the identification coil 10 is embedded in the lock 6.

[0051] In these embodiments, the induction coil 12 is embedded inside the bottom shell 2, and the identification coil 10 is embedded inside the lock 6, which can effectively avoid the displacement or damage of the identification coil 10 and the induction coil 12, and effectively avoid the situation that the displacement of the induction coil 12 causes the error of the equipment point 1 of the locking hanging plate.

[0052] In some embodiments of the present embodiment, the induction coil 12 is the same as the shape of the bottom shell ear hole, and the identification coil 10 is the same as the shape of the lock hole 9. For example, the bottom shell ear hole and the lock hole 9 are circular, and the induction coil 12 and the identification coil 10 are circular.

[0053] In some embodiments of the present embodiment, the induction coil 12 is different from the shape of the bottom shell ear hole, and the identification coil 10 is different from the shape of the lock hole 9. For example, the bottom shell ear hole is rectangular, and the induction coil 12 can be circular; the lock hole 9 is circular, and the identification coil 10 can be rectangular.

[0054] The size of the inductive coil 12 and the identification coil 10 needs to ensure that the lock ring 7 of the lock 6 can pass through the bottom shell ear hole and be normally inserted into the lock hole 9.

[0055] In some embodiments of the present embodiment, the locking plaque device further comprises a state sensing circuit 13 arranged in the bottom shell 2 of the equipment point 1, the state sensing circuit 13 is connected with the RFID tag chip, and the state sensing circuit 13 is used for detecting the state information of the equipment point 1.

[0056] The state information of the equipment point 1 includes the on-off state of the energy switch 4 in the equipment point 1, and analog quantity information such as voltage, current, pressure and temperature in the equipment point 1.

[0057] In these embodiments, the lock 6 reads the state information of the equipment point 1 through the RFID identifier, and the lock 6 can only perform the locking action when the state information of the equipment point 1 meets the preset condition, so as to ensure that the state information of the equipment point 1 after locking and hanging plaque meets the preset condition (for example, the energy switch 4 in the equipment point 1 is disconnected), and the quality of the locking and hanging plaque operation is ensured through technical means, and the safety of subsequent operation is improved.

[0058] The state information of the equipment point 1 meeting the preset condition includes one or more of the energy switch 4 being disconnected, the equipment point 1 being without voltage, the equipment point 1 being without current, the equipment point 1 being without high temperature, and the equipment point 1 being without pressure, for example, the state information of the equipment point 1 meets the preset condition when the energy switch 4 is disconnected.

[0059] In some embodiments of the present embodiment, as shown in Figure 8 The RFID tag includes a first RFID tag chip U1, a first capacitor C1 and a first inductive coil 12L1, the AC1 pin and the AC2 pin of the first RFID tag chip U1 are inductive coil interfaces, the first capacitor C1 is connected between the AC1 pin and the AC2 pin of the first RFID tag chip U1, and the first inductive coil 12L1 is connected between the AC1 pin and the AC2 pin of the first RFID tag chip U1.

[0060] In some embodiments of the present embodiment, as shown in Figure 9As shown, the RFID tag includes a second RFID tag chip U2, a second capacitor C2, a second induction coil 12L2 and a second switch SW2, the AC1 pin and the AC2 pin of the second RFID tag chip U2 are induction coil interfaces, the second capacitor C2 is connected between the AC1 pin and the AC2 pin of the second RFID tag chip U2, the second induction coil 12L2 is connected between the AC1 pin and the AC2 pin of the second RFID tag chip U2, and the second switch SW2 is connected in series between the second induction coil 12L2 and the AC2 pin of the second RFID tag chip U2. The second switch SW2 is a reed switch or a travel switch.

[0061] The RFID tag in these embodiments is suitable for equipment points 1 with state requirements for lock tag operation (such as the upper cover 3 must be closed), and has the advantages of simple circuit, high cost performance, etc.

[0062] In some embodiments of the present embodiment, as shown in Figure 10 As shown, the RFID tag includes a tenth RFID tag chip U10, an MCU chip U12, a tenth capacitor C10, a twelfth capacitor C12, a fifteenth capacitor C15, a tenth induction coil 12L10, an eleventh diode D11, a tenth diode D12, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a temperature sensor NTC, an eleventh switch SW11, a twelfth switch SW12 and a first connector J1. The AC0 pin and the AC1 pin of the tenth RFID tag chip U10 are induction coil interfaces, the VE pin of the tenth RFID tag chip U10 is an RFID tag chip collected power output interface, the GND pin of the tenth RFID tag chip U10 is a power ground interface, the VCC pin of the tenth RFID tag chip U10 is a power signal interface, the SCL pin of the tenth RFID tag chip U10 is an I 2 C bus clock signal interface, the SDA pin of the tenth RFID tag chip U10 is an I 2 C bus data signal interface, the NC pin of the tenth RFID tag chip U10 indicates that the pin does not need to be connected to other circuits, the VCC pin of the MCU chip U12 is a power signal interface, the SCL pin of the MCU chip U12 is an I 2 C bus clock signal interface, the SDA pin of the MCU chip U12 is an I 2The C bus is a data signal interface, the GND pin of the MCU chip U12 is a power supply ground interface, the ADC1 pin and the ADC2 pin of the MCU chip U12 are analog signal input interfaces, the GPIO1 pin and the GPIO2 pin of the MCU chip U12 are general digital input and output signal interfaces, the tenth RFID tag chip U10 has a bus communication interface, the tenth capacitor C10 is connected between the AC0 pin and the AC1 pin of the tenth RFID tag chip U10, the tenth induction coil 12L10 is connected between the AC0 pin and the AC1 pin of the tenth RFID tag chip U10, the anode of the eleventh diode D11 is connected with the VE pin of the tenth RFID tag chip U10, the anode of the tenth diode D12 is connected with the VCC pin of the tenth RFID tag chip U10, the cathode of the eleventh diode D11 and the pin of the tenth diode D12 are connected to a first connection point, one end of the eleventh resistor R11 is connected with the SCL pin of the tenth RFID tag chip U10, one end of the twelfth resistor R12 is connected with the SDA pin of the tenth RFID tag chip U10, the other end of the eleventh resistor R11 and the other end of the twelfth resistor R12 are both connected to the first connection point, one end of the twelfth capacitor C12 is connected to the first connection point, the other end of the twelfth capacitor C12 is connected with the GND pin of the tenth RFID tag chip U10, the VCC pin of the MCU chip U12 is connected to the first connection point, the SCL pin of the MCU chip U12 is connected with the SCL pin of the RFID tag circuit, the SDA pin of the MCU chip U12 is connected with the SDA pin of the RFID tag circuit, the GND pin of the MCU chip U12 is connected with the GND pin of the RFID tag circuit, one end of the thirteenth resistor R13 is connected to the first connection point, the other end of the thirteenth resistor R13 is connected with one end of the temperature sensor NTC, the other end of the temperature sensor NTC is connected with the GND pin of the MCU chip U12, one end of the fourteenth resistor R14 is connected with the ADC2 pin of the MCU chip U12, the other end of the fourteenth resistor R14 is connected with the first port of the first connector J1, the second port of the first connector J1 is connected with one end of the fifteenth resistor R15, the other end of the fifteenth resistor R15 is grounded, the second port of the first connector J1 is connected with one end of the fifteenth capacitor C15, the other end of the fifteenth capacitor C15 is grounded, the first connector J1 is used for inputting analog signals such as voltage and current, and is used for collecting voltage, current, pressure and other signal states, the eleventh switch SW11 is connected in series between the GPIO2 pin and the GND pin of the MCU chip U12, and the twelfth switch SW12 is connected in series between the GPIO1 pin and the GND pin of the MCU chip U12.

[0063] The RFID tag in these embodiments is suitable for the device point 1 of the lock hanging plate operation with various preset state judgment requirements (such as the energy switch 4 state, voltage, current, pressure, temperature and other analog quantity states), and has the advantages of strong circuit expansion and suitability for complex scenes.

[0064] In some embodiments of the present embodiment, the lock hanging plate device further comprises a key 8 matched with the lock 6, and the key 8 is used for powering the lock 6, authenticating with the lock 6, obtaining information detected by the lock 6, human authentication, and communicating with the lock hanging plate platform of the back end to synchronize information.

[0065] The key 8 and the lock 6 can power and communicate through a contact type, can power and communicate through electromagnetic coupling, or can use a built-in battery of the lock 6 to communicate with the key 8 or the lock hanging plate platform through a wireless communication module.

[0066] When the key 8 is inserted into the lock 6, the lock 6 authenticates with the key 8, and only the pre-authorized key 8 can operate the lock 6.

[0067] The related information detected by the lock 6 includes device point 1 information, whether the cover 3 of the device point 1 is closed, state information of the device point 1, and the like.

[0068] In some embodiments of the present embodiment, the key 8 is provided with a second controller and a fingerprint identification module, and the second controller is connected with the fingerprint identification module.

[0069] The fingerprint identification module is used for identifying and verifying the operator during the execution of the lock hanging plate process, and only the allowed device point 1 of the lock hanging plate operation can be performed after the verification is passed.

[0070] In some embodiments of the present embodiment, the lock 6 is provided with a first controller, an indicator light and a display screen, and the first controller is connected with the indicator light and the display screen.

[0071] The display screen can be an ink screen or a non-ink screen; the display screen can realize power-off / power-on display, write / modify hanging plate information during the execution of the lock hanging plate process, realize paperless electronic tag hanging plate, save consumables and be more environmentally friendly.

[0072] The indicator light is used to show whether the lock 6 can be successfully closed by the locking operation at this time. For example, when the RFID identifier identifies the target RFID tag, the indicator light displays a first color, indicating that the lock 6 can be successfully closed by the locking operation at this time; after the lock card is successfully closed, the indicator light displays a second color, indicating that the lock card has been closed and a legal unlocking operation is required to remove the lock card; when the RFID identifier does not identify the target RFID tag, the indicator light displays a third color, indicating that the lock 6 cannot be successfully closed by the locking operation at this time.

[0073] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the present application, and it should be understood that the above description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A lock hanging device based on accurate point position recognition, characterized in that, Include: Lock, the lock includes lock body and lock ring, the lock hole is equipped on the lock body and adapts to the lock ring, the end of the movable end of the lock ring is equipped with the first magnet, the lock hole is equipped with Hall sensor; RFID identifier, the RFID identifier is arranged on the lock body, the identification coil of the RFID identifier is concentric with the lock hole, and the identification distance of the RFID identifier is 3mm-5mm; RFID tag, the RFID tag is arranged on the bottom shell of the equipment point, and the inductive coil of the RFID tag is concentric with the ear hole of the bottom shell.

2. The lock and sign device based on accurate point position recognition according to claim 1, characterized in that, The RFID tag includes an RFID tag chip and an inductive coil, and a switch circuit is connected in series between the RFID tag chip and the inductive coil;Wherein, in the case that the upper cover of the equipment point is closed, the switch circuit is in the on state, and in the case that the upper cover of the equipment point is opened, the switch circuit is in the off state.

3. The lock and sign device based on accurate point position recognition according to claim 2, characterized in that, The switch circuit includes a reed switch, the reed switch is connected in series between the RFID tag chip and the inductive coil, and the upper cover is provided with a second magnet;Wherein, in the case that the upper cover of the equipment point is closed, the reed switch is in the on state, and in the case that the upper cover of the equipment point is opened, the reed switch is in the off state.

4. The lock and sign device based on accurate point position recognition according to claim 1, characterized in that, The lock hanging board device also includes a state sensing circuit for detecting the state information of the equipment point, the state sensing circuit is arranged on the bottom shell of the equipment point, the RFID tag includes an RFID tag chip and an inductive coil, and the RFID tag chip is connected with the inductive coil and the state sensing circuit.

5. The lock and sign device based on accurate point position recognition according to claim 1, characterized in that, The RFID tag includes a first RFID tag chip, a first capacitor and a first inductive coil, the first capacitor is connected between the AC1 pin and the AC2 pin of the first RFID tag chip, and the first inductive coil is connected between the AC1 pin and the AC2 pin of the first RFID tag chip.

6. The lock and sign device based on accurate point position recognition according to claim 1, characterized in that, The RFID tag includes a second RFID tag chip, a second capacitor, a second inductive coil and a second switch, the second capacitor is connected between the AC1 pin and the AC2 pin of the second RFID tag chip, the second inductive coil is connected between the AC1 pin and the AC2 pin of the second RFID tag chip, the second switch is connected in series between the second inductive coil and the AC2 pin of the second RFID tag chip, and the second switch is a reed switch or a travel switch.

7. The lock and sign device based on accurate point position recognition according to claim 1, characterized in that, The RFID tag includes a tenth RFID tag chip, an MCU chip, a tenth capacitor, a twelfth capacitor, a fifteenth capacitor, a tenth induction coil, an eleventh diode, a tenth diode, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a temperature sensor, an eleventh switch, a twelfth switch and a first connector, the tenth RFID tag chip has a bus communication interface, the tenth capacitor is connected between the AC0 pin and the AC1 pin of the tenth RFID tag chip, the tenth induction coil is connected between the AC0 pin and the AC1 pin of the tenth RFID tag chip, the anode of the eleventh diode is connected with the VE pin of the tenth RFID tag chip, the anode of the tenth diode is connected with the VCC pin of the tenth RFID tag chip, the cathode of the eleventh diode and the pin of the tenth diode are connected to a first connection point, one end of the eleventh resistor is connected with the SCL pin of the tenth RFID tag chip, one end of the twelfth resistor is connected with the SDA pin of the tenth RFID tag chip, the other end of the eleventh resistor and the other end of the twelfth resistor are both connected to the first connection point, one end of the twelfth capacitor is connected to the first connection point, the other end of the twelfth capacitor is connected with the GND pin of the tenth RFID tag chip, the VCC pin of the MCU chip is connected to the first connection point, the SCL pin of the MCU chip is connected with the SCL pin of the RFID tag circuit, the SDA pin of the MCU chip is connected with the SDA pin of the RFID tag circuit, the GND pin of the MCU chip is connected with the GND pin of the RFID tag circuit, one end of the thirteenth resistor is connected to the first connection point, the other end of the thirteenth resistor is connected with one end of the temperature sensor NTC, the other end of the temperature sensor NTC is connected with the GND pin of the MCU chip, one end of the fourteenth resistor is connected with the ADC2 pin of the MCU chip, the other end of the fourteenth resistor is connected with the first port of the first connector, the second port of the first connector is connected with one end of the fifteenth resistor, the other end of the fifteenth resistor is grounded, the second port of the first connector is connected with one end of the fifteenth capacitor, the other end of the fifteenth capacitor is grounded, the eleventh switch is connected in series between the GPIO2 pin and the GND pin of the MCU chip, and the twelfth switch is connected in series between the GPIO1 pin and the GND pin of the MCU chip.

8. The lock and sign device based on accurate point position recognition according to claim 1, characterized in that, The locking plate device further comprises a key matched with the lock.

9. The lock and sign device based on accurate point position recognition according to claim 8, characterized in that, The key is provided with a fingerprint identification module.

10. The lock and sign device based on accurate point position recognition according to claim 1, characterized in that, The lock is provided with an indicator lamp and a display screen. The lock is provided with an indicator lamp and a display screen.

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