A millimeter-level precise point locking and hanging plate system and method

Abstract

The application discloses a millimeter-level precise point locking and hanging plate system and method, and belongs to the technical field of equipment safety. The millimeter-level precise point locking and hanging plate system comprises a lock, an RFID identifier is arranged on the lock, the identification coil of the RFID identifier is concentric with the lock hole of the lock, and the identification distance of the RFID identifier is 3mm-5mm; an RFID tag is arranged on the bottom shell of an equipment point, and the induction coil of the RFID tag is concentric with the ear hole of the bottom shell; wherein the lock performs a locking action in response to a detected locking operation when the RFID identifier identifies a target RFID tag. The application can effectively avoid the problem of incorrect equipment point locking and hanging plate when the equipment points are dense, effectively improve the locking and hanging plate operation quality by technical means, and reduce the accident probability.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of equipment safety, and particularly relates to a millimeter-level precise point locking and hanging plate system and method. BACKGROUND

[0002] Locking and hanging plate (LOTO, Lock Out Tag Out) refers to locking flammable substances, toxic substances, power devices and other dangerous substances and energy sources when equipment and devices are maintained or transformed, so as to ensure personnel safety and fully protect the environment and equipment.

[0003] The existing locking and hanging plate operation usually cooperates traditional locks and indication plates, and is identified by maintenance personnel to identify target equipment points and perform locking and hanging plate operation on the target equipment points. The target equipment points cannot be accurately detected whether they are locked and hung. Due to the lax awareness of maintenance personnel, the problems such as forgetting to lock and hang, not locking and hanging in place, locking and hanging the wrong equipment points, and the preset conditions of the equipment state not being consistent may occur. For example, when a large number of equipment points are closely arranged together, the lock may be hung on the wrong equipment point when locking and hanging, the energy switch may not be turned off before locking and hanging, and the cover may not be closed when hanging the plate, resulting in false locking and hanging. SUMMARY

[0004] The purpose of the present application is to overcome the shortcomings of the prior art and provide a millimeter-level precise point locking and hanging plate system and method, which can effectively avoid the problem of locking and hanging the wrong equipment points when locking and hanging the dense equipment points.

[0005] The present application is achieved by the following technical solutions:

[0006] The first aspect of the present application discloses a millimeter-level precise point locking and hanging plate system, comprising:

[0007] A lock is provided with an RFID identifier, the identification coil of the RFID identifier is concentric with the lock hole of the lock, and the identification distance of the RFID identifier is 3-5 mm;

[0008] An 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.

[0009] The lock is used to perform a locking action when the RFID identifier identifies the target RFID tag in response to the detected locking operation.

[0010] Further, the locking and hanging plate system further comprises:

[0011] A closure detection mechanism is arranged at the equipment point, and is configured to detect whether the upper cover of the equipment point is closed.

[0012] The lock is configured to perform a locking action in response to a detected locking operation, when the RFID identifier identifies the target RFID tag and the upper cover is closed.

[0013] Further, the RFID tag comprises an RFID tag chip and an induction coil, and the RFID tag chip is connected to the induction coil.

[0014] The locking plaque system further comprises:

[0015] A state sensing circuit is arranged at the bottom shell of the equipment point, and is connected to the RFID tag chip. The state sensing circuit is configured to detect state information of the equipment point.

[0016] The lock is configured to perform a locking action in response to a detected locking operation, when the RFID identifier identifies the target RFID tag and the state information of the equipment point meets a preset condition.

[0017] Further, the locking plaque system further comprises:

[0018] A switch circuit is connected in series between the induction coil and the RFID tag chip.

[0019] The switch circuit is turned on when the upper cover is closed, and is turned off when the upper cover is opened.

[0020] Further, the induction coil is embedded in the bottom shell, and the identification coil is embedded in the lock.

[0021] Further, the lock further comprises:

[0022] A lock ring detection mechanism is configured to detect whether a lock ring of the lock is inserted into a preset position in a lock hole.

[0023] A locking mechanism is configured to perform a locking action when the lock ring detection mechanism detects that the lock ring is inserted into the preset position in the lock hole, and the RFID identifier identifies the target RFID tag.

[0024] Further, the locking plaque system further comprises:

[0025] A key is configured to power the lock, authenticate with the lock, obtain detection information of the lock, and communicate with a locking plaque platform of a back end to synchronize information.

[0026] The second aspect of the present invention discloses a millimeter-precise locking and tagging method, applied to the locking and tagging system as described in the first aspect of the present invention, the locking and tagging method comprising:

[0027] In response to a detected locking operation, the lock performs a locking action when the locking condition is met;

[0028] The locking condition includes: the RFID reader on the lock identifies the RFID tag at the target device location.

[0029] Furthermore, the locking condition also includes:

[0030] The cover of the target equipment location is closed.

[0031] Furthermore, the locking condition also includes:

[0032] The status information of the target device location meets the preset conditions.

[0033] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0034] (1) In this invention, the induction coil of the RFID tag is set to be concentric with the bottom shell ear hole of the equipment location, and the identification coil of the RFID reader is set to be concentric with the lock hole of the lock. The identification distance of the RFID reader is 3mm-5mm. This ensures that the RFID reader can identify the RFID tag only when the induction coil and the identification coil are basically concentric and close to each other. Therefore, the lock can only identify the target RFID tag when it is hung at the correct equipment location, and then the lock can be successfully locked. This achieves millimeter-level equipment location identification, thereby effectively avoiding the wrong equipment location when the equipment locations are dense.

[0035] (2) The present invention detects the status information of the equipment point and can only perform the locking action when the status information of the equipment point meets the preset conditions, thereby effectively avoiding the problem of non-compliance with the preset state through technical means. Attached Figure Description

[0036] The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0037] Figure 1 A schematic diagram of a densely packed array of multiple device locations.

[0038] Figure 2 This is a three-dimensional schematic diagram of the lock being locked at a device location in this invention.

[0039] Figure 3 forFigure 2 Enlarged view at A.

[0040] Figure 4 For Figure 2 Enlarged view at B.

[0041] Figure 5 For a side view of the lock in the application.

[0042] Figure 6 For Figure 3 Enlarged view at C.

[0043] Figure 7 For an RFID tag circuit without state monitoring in the application.

[0044] Figure 8 For an RFID tag circuit with state monitoring in the application.

[0045] Figure 9 For an RFID tag circuit with multiple state monitoring in the application.

[0046] Figure 10 For a principle block diagram of the lock hanging plate system in the application.

[0047] Figure 11 For a flowchart of the lock hanging plate method in the application.

[0048] In the figure, 1 - equipment point, 2 - bottom shell, 3 - upper cover, 4 - energy switch, 5 - point carrier, 6 - lock, 7 - lock ring, 8 - key, 9 - lock hole, 10 - identification coil, 11 - first magnet, 12 - induction coil, 13 - state sensing circuit. DETAILED DESCRIPTION

[0049] The technical solutions of the application will be further described below in combination with the drawings and through specific embodiments.

[0050] Among them, the drawings are only used for example explanation, and the representation is only a schematic diagram, not a physical diagram, and cannot be understood as a limitation on the application; in order to better illustrate the embodiments of the application, some components of the drawings will 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 known structures and their descriptions in the drawings can be omitted.

[0051] The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to 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 exemplary illustration, and cannot be understood as a limitation on the present application, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0052] In the description of the present application, unless otherwise explicitly specified and limited, if the terms "connection" and the like appear to indicate the connection relationship between components, the term should be broadly understood, for example, it can be a fixed connection, or it can be detachable, or it can be integrated; it can be mechanical connection, or it can be electrical connection; 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 present application can be understood according to the specific circumstances.

[0053] As shown in Figures 1 to 11 , the present embodiment discloses a millimeter-level precise point locking and hanging plate system and method.

[0054] The first aspect of the present embodiment discloses a millimeter-level precise point locking and hanging plate system, which is used for locking and hanging a device point 1, as shown in Figure 1 , the device point 1 includes a bottom shell 2 and an upper cover 3. The bottom shell 2 is provided with an energy switch 4, and the bottom shell 2 and the upper cover 3 are both provided with ear holes, 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 1 the appearance shown, but can also be a square box, a round box, a special-shaped structure limiting operation, etc.

[0055] As shown in Figure 2 and Figure 5 , the locking and hanging plate system includes a lock 6 and an RFID tag. The lock 6 is provided with an RFID identifier, the identification coil 10 of the RFID identifier is concentric with the lock hole 9 of the lock 6, and the identification distance of the RFID identifier is 3mm-5mm. The RFID tag is arranged on the bottom shell 2 of the device point 1, and the induction coil 12 of the RFID tag is concentric with the bottom shell ear hole. The lock 6 is used to respond to the detected locking operation and execute a locking action when the RFID identifier identifies the target RFID tag.

[0056] The lock 6 is not limited toFigure 2 The lock 6 can also be in the form of a padlock, a handle lock, or other forms of locks, and the inductive coil 12 and the identification coil 10 are adjusted in size and shape and adapted to the identification distance according to different structures.

[0057] In this embodiment, the RFID identifier can identify the RFID tag only when the inductive coil 12 and the identification coil 10 are substantially concentric and close to each other, so that the lock 6 can be identified to the target RFID tag only when it is hung on the correct equipment point 1, and then the lock 6 can be successfully locked, achieving millimeter-level identification and matching of the equipment point 1, and effectively avoiding the problem of incorrect locking of the equipment point 1 when multiple equipment points 1 are closely arranged.

[0058] For example, for the case where multiple equipment points 1 are densely arranged on the same point carrier 5, if the lock 6 is incorrectly hung on other equipment points 1 except the target equipment point 1, the lock 6 cannot be locked, and only when the lock 6 is hung on the correct equipment point 1, the lock 6 can be locked to complete the locking operation.

[0059] In some embodiments of this embodiment, the locking and hanging system further comprises a closing detection mechanism, which is arranged on the equipment point 1 and is used to detect whether the upper cover 3 of the equipment point 1 is closed; wherein the lock 6 is used to execute a locking action in response to the detected locking operation when the RFID identifier identifies the target RFID tag and the upper cover 3 is closed.

[0060] Whether the upper cover 3 is closed refers to whether the upper cover 3 is closed on the bottom shell 2, and the upper cover 3 is closed when the upper cover 3 is closed on the bottom shell 2, otherwise the upper cover 3 is open.

[0061] In these embodiments, the closing detection mechanism is arranged in the equipment point 1 and is further connected to the circuit of the RFID tag to detect and communicate the opening and closing information of the upper cover 3, and the RFID identifier obtains the opening and closing information of the upper cover 3 when it identifies the RFID tag. Only when the upper cover 3 of the equipment point 1 is closed and the RFID identifier of the lock 6 identifies the target RFID tag, the lock will execute a locking action when detecting the locking operation, thereby ensuring that the upper cover 3 of the equipment point 1 completing the locking and hanging operation is closed on the bottom shell 2, as shown in Figure 6 The technical means ensures the quality of the locking and hanging operation and effectively prevents false locking and hanging of the equipment point 1 when the upper cover 3 is not closed.

[0062] In some embodiments of this embodiment, as shown in Figure 3As shown, the closure detection mechanism includes a first magnet 11 and a reed switch. The first magnet 11 is disposed on the upper cover 3 of the equipment point 1, and the reed switch is disposed 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 first magnet 11; when the upper cover 3 is opened, the reed switch is open. In these embodiments, the detection of whether the upper cover 3 is closed is achieved through the cooperation of the first magnet 11 and the reed switch.

[0063] like Figure 7 As shown, the circuit of the RFID tag includes a first RFID tag chip U1, a first capacitor C1, and a first induction coil L1. The AC1 and AC2 pins of the first RFID tag chip U1 are induction coil interfaces. The first capacitor C1 is connected between the AC1 and AC2 pins of the first RFID tag chip U1, and the first induction coil L1 is connected between the AC1 and AC2 pins of the first RFID tag chip U1.

[0064] like Figure 8 As shown, the RFID tag circuit includes a second RFID tag chip U2, a second capacitor C2, a second induction coil L2, and a second switch SW2. The AC1 and AC2 pins of the second RFID tag chip U2 are the induction coil interfaces. The second capacitor C2 is connected between the AC1 and AC2 pins of the second RFID tag chip U2. The second induction coil L2 is also connected between the AC1 and AC2 pins of the second RFID tag chip U2. The second switch SW2 is connected in series between the second induction coil L2 and the AC2 pin of the second RFID tag chip U2. The second switch SW2 is either a reed switch or a limit switch. The RFID tag circuit with cover 3 status monitoring is suitable for device point 1 where there are status requirements for locking and tagging operations (e.g., cover 3 must be closed). It has advantages such as simple circuitry and high cost-effectiveness.

[0065] like Figure 9As shown, the circuit of 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 L10, 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 and a twelfth switch SW12, 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 interface for power output collected by the RFID tag chip, 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 I2C bus clock signal interface, the SDA pin of the tenth RFID tag chip U10 is an I2C bus data signal interface, the NC pin of the tenth RFID tag chip U10 indicates that the pin does not need to be connected with 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 I2C bus clock signal interface, the SDA pin of the MCU chip U12 is an I2C bus data signal interface, the GND pin of the MCU chip U12 is a power 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 L10 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 at 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 at the first connection point, one end of the twelfth capacitor C12 is connected at 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 at 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 / 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. The RFID tag circuit with multiple state detection is suitable for the device point 1 which has multiple preset state judgment requirements (such as energy switch state, voltage, current, pressure, temperature and other analog quantity states) in the operation of locking and hanging the plaque, and has the advantages of strong circuit expansion and being suitable for complex scenes.

[0066] The closing detection mechanism can also be realized by other components, for example, a travel switch can be used to detect whether the upper cover 3 of the device point 1 is closed.

[0067] In some embodiments of the present embodiment, the RFID tag includes an RFID tag chip and an inductive coil, and the RFID tag chip is connected with the inductive coil. Figure 4 As shown in the figure, the locking and hanging plaque system further includes a state sensing circuit 13, the state sensing circuit 13 is arranged in the bottom shell 2 of the device point 1, the state sensing circuit 13 is connected with the RFID tag chip, and the state sensing circuit 13 is used for detecting state information of the device point 1; wherein the lock 6 is used for responding to the detected locking operation, and performs a locking action when the RFID identifier identifies a target RFID tag and the state information of the device point 1 meets a preset condition.

[0068] The state information of the device point 1 includes the opening and closing state of the energy switch 4 in the device point 1, and analog quantity information such as voltage, current, pressure and temperature in the device point 1.

[0069] The state information of the device point 1 meets the preset condition, which includes one or more of the following: the energy switch 4 is off, there is no voltage in the device point 1, there is no current in the device point 1, there is no high temperature in the device point 1, and there is no pressure in the device point 1. For example, when the energy switch 4 is off, the state information of the device point 1 meets the preset condition.

[0070] In these embodiments, the device point 1 is provided with a state sensing circuit 13 to detect the state information of the device point 1. Only when the state information of the device point 1 meets the preset condition and the RFID identifier of the lock 6 recognizes the target RFID tag, the lock 6 will execute the locking action when detecting the locking operation, thereby ensuring that the state information of the device point 1 after the locking and hanging card operation meets the preset condition (for example, the energy switch 4 in the device point 1 is off). The quality of the locking and hanging card operation is ensured through technical means, and the safety of subsequent operations is improved.

[0071] In some embodiments of the present embodiment, the locking and hanging card system further includes a switch circuit connected in series between the induction coil 12 and the RFID tag chip. The switch circuit is turned on when the upper cover 3 is closed, and is turned off when the upper cover 3 is opened. When the switch circuit is turned on, 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 locking and hanging card condition is met. When the switch circuit is turned off, 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 locking and hanging card condition is not met.

[0072] In some embodiments of the present embodiment, the induction coil 12 is embedded in the bottom shell 2, and the identification coil 10 is embedded in the lock 6.

[0073] 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 device point 1 to be incorrectly locked and hung.

[0074] In some embodiments of the present embodiment, the induction coil 12 has the same shape as the bottom shell ear hole, and the identification coil 10 has the same shape as 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.

[0075] In some embodiments of the present embodiment, the induction coil 12 has a shape different from that of the bottom shell ear hole, and the identification coil 10 has a shape different from that 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.

[0076] The size of the induction coil 12 and the identification coil 10 needs to ensure that the lock ring 7 of the lock 6 can be inserted through the bottom shell ear hole and normally inserted into the lock hole 9.

[0077] In some embodiments of the present embodiment, as shown in Figure 10 The lock ring detection mechanism is used to detect whether the lock ring 7 of the lock 6 is inserted into the preset position in the lock hole 9. The locking mechanism is used to perform a locking action when the lock ring detection mechanism detects that the lock ring 7 is inserted into the preset position in the lock hole 9 and the RFID identifier identifies the target RFID tag.

[0078] When the lock ring detection mechanism detects that the lock ring 7 is inserted into the preset position in the lock hole 9, it means that the lock 6 detects the locking operation; when the lock ring detection mechanism does not detect that the lock ring 7 is inserted into the preset position in the lock hole 9, it means that the lock 6 does not detect the locking operation. That is, only in response to the locking operation detected by the lock 6, the locking mechanism performs a locking action when the RFID identifier identifies the target RFID tag. The locking mechanism can use components with corresponding functions in the prior art.

[0079] In some embodiments of the present embodiment, the lock ring detection mechanism includes a Hall sensor and a second magnet, the Hall sensor is arranged in the lock 6, and the second magnet is arranged at the end of the movable end of the lock ring 7. When the second magnet enters the identification range of the Hall sensor, it means that the lock ring 7 is inserted into the preset position in the lock hole 9.

[0080] In some embodiments of the present embodiment, the lock hanging plate system further includes a key 8, which is used to power the lock 6, authenticate with the lock 6, obtain information detected by the lock 6, authenticate a user, and synchronize information with the back-end lock hanging plate platform.

[0081] For example, the key 8 and the lock 6 can power and communicate through contact, can power and communicate through electromagnetic coupling, or can use a built-in battery in the lock 6 to communicate with the key 8 or the lock hanging plate platform through a wireless communication module.

[0082] For example, when the key 8 is inserted into the lock 6, the lock 6 authenticates with the key 8, and only a pre-authorized key 8 can operate the lock 6.

[0083] The key 8 can obtain relevant information detected by the lock 6 through communication with the lock 6, such as 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.

[0084] In some embodiments of the present embodiment, the lock hanging plate system further comprises a lock hanging plate platform, the lock 6 is connected with the lock hanging plate platform through a built-in communication module, the lock 6 can upload the detected information to the lock hanging plate platform when it is connected with the lock hanging plate platform, the lock 6 can store the detected information locally when it cannot be connected with the lock hanging plate platform, and then upload the information to the lock hanging plate platform when the communication is restored, the information detected by the lock 6 includes device point information (such as device point number and other information), whether the cover 3 of the device point 1 is closed, state information of the device point 1, and the like.

[0085] In some embodiments of the present embodiment, the lock hanging plate system further comprises a lock hanging plate platform, the key 8 is connected with the lock hanging plate platform through a communication module, the key 8 can upload the information obtained through the lock 6 to the lock hanging plate platform when it is connected with the lock hanging plate platform, the key 8 can store the obtained information locally when it cannot be connected with the lock hanging plate platform, and then upload the information to the lock hanging plate platform when the communication is restored, the information obtained by the key 8 through the lock 6 includes device point information (such as device point number and other information), whether the cover 3 of the device point 1 is closed, state information of the device point 1, and the like.

[0086] In some embodiments of the present embodiment, the lock 6 is provided with a first controller and an indicator light, the first controller is connected with the indicator light, and the indicator light is used to display whether the lock 6 can be successfully locked at this time when the locking operation is performed. 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 locked at this time when the locking operation is performed; the indicator light displays a second color after the lock hanging plate is successfully hung, indicating that the lock hanging plate has been hung and can be unlocked only by a legal unlocking operation; 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 locked at this time when the locking operation is performed.

[0087] In some embodiments of the present embodiment, the lock 6 is provided with a first controller and a display screen, the first controller is connected with the display screen, and the display screen can adopt an ink screen or a non-ink screen; the display screen can realize power-off / power-on display, write / modify the 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.

[0088] In some embodiments of the present embodiment, the key 8 is provided with a second controller and a fingerprint identification module, the second controller is connected with the fingerprint identification module; the fingerprint identification module is used to identify and verify the operator during the execution of the lock hanging plate process, and only the operator who passes the verification can perform the lock hanging plate operation of the device point 1 allowed by the operator, and record the point, state, personnel and time, so as to trace the operation process.

[0089] As Figure 10 shown, the first controller and the second controller can adopt SOC (system on chip) or MCU (micro control unit), the first controller is further connected with the RFID identification circuit of the RFID identifier, the RFID identification circuit is connected with the identification coil, and the first controller and the second controller are internally provided with a battery, a power supply communication interface, a communication module and the like.

[0090] The second aspect of the embodiment discloses a millimeter-level precise point locking and hanging plate method, which is applied to the locking and hanging plate system as described in the first aspect of the embodiment. Figure 11 As shown in the figure, the locking and hanging plate method comprises: in response to the identified locking operation, the lock 6 performs a locking action when the locking condition is established. That is, in this embodiment, only when the locking condition is established, the locking operation can lock the lock 6; if the locking condition is not established, the locking operation cannot lock the lock 6.

[0091] The locking condition comprises: the RFID identifier on the lock 6 identifies the RFID tag in the target equipment point 1. That is, when the RFID identifier on the lock 6 identifies the RFID tag in the target equipment point 1, the locking operation can lock the lock 6.

[0092] In some embodiments of the embodiment, the locking condition further comprises: the upper cover 3 of the target equipment point 1 is closed. That is, when the RFID identifier on the lock 6 identifies the RFID tag in the target equipment point 1 and the upper cover 3 of the target equipment point 1 is closed, the locking operation can lock the lock 6.

[0093] In some embodiments of the embodiment, the locking condition further comprises: the state information of the target equipment point 1 meets the preset condition. That is, when the RFID identifier on the lock 6 identifies the RFID tag in the target equipment point 1 and the state information of the target equipment point 1 meets the preset condition, the locking operation can lock the lock 6. Similarly, the unlocking also needs to be controlled, and the preset unlocking condition must be met to perform the unlocking operation to ensure correct unlocking and hanging plate operation, and the corresponding process working principle will not be described here.

[0094] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the present application. 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. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A millimeter-precise point-based locking and tagging system, characterized in that, include: Equipment locations and locks; The equipment includes a bottom shell and a top cover. An energy switch is installed in the bottom shell. Both the bottom shell and the top cover have ear holes. The ear hole of the bottom shell is referred to as the bottom shell ear hole, and the ear hole of the top cover is referred to as the top cover ear hole. When the top cover is closed on the bottom shell, the bottom shell ear hole passes through the top cover ear hole to lock the energy switch. The lock is equipped with an RFID reader. The RFID reader's identification coil is concentric with the lock's keyhole. The RFID reader's identification distance is 3mm-5mm. The RFID tag is set on the bottom shell of the equipment location. The induction coil of the RFID tag is concentric with the ear hole of the bottom shell. The RFID tag includes an RFID tag chip and an induction coil, and the RFID tag chip is connected to the induction coil. The RFID reader can only recognize the RFID tag when the induction coil of the RFID tag and the recognition coil of the RFID reader of the lock are concentric and the distance between them is 3mm-5mm. It also includes a closure detection mechanism and a switching circuit. The closure detection mechanism is set at the equipment location and is used to detect whether the top cover of the equipment location is closed. A switching circuit is connected in series between the induction coil and the RFID tag chip. The switching circuit is turned on when the top cover is closed and turned off when the top cover is opened. The closing detection mechanism is also connected to the circuit of the RFID tag to detect and communicate the opening and closing information of the top cover. When the RFID reader recognizes the RFID tag, it obtains the opening and closing information of the top cover. The lock is also equipped with a lock ring detection mechanism and a locking mechanism. The lock ring detection mechanism is used to detect whether the lock ring of the lock is inserted into the preset position in the key hole. The locking mechanism is used to perform a locking operation when the locking conditions are met, such as the top cover being closed, the RFID reader recognizing the target RFID tag, and the locking ring being inserted into the lock hole at a preset position.

2. The millimeter-level precision locking and tagging system according to claim 1, characterized in that, Also includes: The status sensing circuit is located on the bottom shell of the equipment location and is connected to the RFID tag chip. The status sensing circuit is used to detect the status information of the equipment location. The interlocking conditions also include that the status information of the equipment location meets preset conditions.

3. The millimeter-level precision locking and tagging system according to claim 1, characterized in that, The induction coil is embedded in the bottom shell, and the identification coil is embedded in the lock.

4. The millimeter-level precision locking and tagging system according to claim 1, characterized in that, The locked tagging system also includes: The key is used to power the lock, authenticate the lock, obtain the lock's detection information, and communicate and synchronize information with the backend lock tagging platform.

5. A millimeter-precise locking and tagging method, applied to the locking and tagging system as described in any one of claims 1-4, characterized in that, The locking and tagging method includes: In response to a detected locking operation, the lock performs a locking action when the locking conditions are met.

6. The millimeter-precise locking and tagging method according to claim 5, characterized in that, The interlocking conditions also include: the status information of the target equipment location meets the preset conditions.

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