CN208837326U - A kind of modularization boxes for keys based on RFID technique - Google Patents

Abstract

A key layer is at least arranged in the utility model discloses a kind of modularization boxes for keys based on RFID technique, including embedded Control host and at least one boxes for keys, each boxes for keys, and the key layer at least installs a key management module and layer centralized control plate；The key management module includes module body, the module body includes RFID label tag board, circuit control panel, electromagnetic self-locking device, position in storehouse induction box and indicator light, the layer centralized control plate of key layer where connection after each key management module-cascade connects embedded Control host after each layer centralized control plate cascade.Each key management module one key of corresponding management, the unique number of each key can accurately be recognized, it ensure that the safety of key itself, using distributed cascade mode, each independent parallel operation of key management module, the real-time of whole system is improved, all information has backup in each layer, and the reliability of data is effectively guaranteed.

Description

A kind of modularization boxes for keys based on RFID technique

Technical field

The utility model belongs to key management apparatus field, especially a kind of modularization boxes for keys based on RFID technique.

Background technique

Key has become a common article, is safe guarantee, although one key of management is fairly simple, When having much key, this is that management gets up just to become complicated, and light is to distinguish one from the other with regard to needing to take a long time, still more Need safekeeping.Especially in public security unit, the management of police vehicle key is particularly significant, traditional police vehicle key Management process is fairly simple and lack of standardization, relies primarily on keeping and granting that human administrator realizes key, is easy to make in this way At serious problems such as error of omission, incorrect posting, perception grantings.

Chinese patent discloses a kind of Intelligent key managing device based on RFID technique, application No. is: 201310529367.8, technical point is that RFID key is stored in cabinet, and RFID chip is stored in RFID key, passes through body Cabinet door is opened in part verifying, to access RFID key.This scheme and the embodiment of the utility model are completely different, use RFID chip is arranged in RFID key, not only at high cost, but also RFID key often carries use and is easily damaged, at the same time, institute There is RFID key to be stored in cabinet, do not there is multi-zone supervision storage, and accesses key and need designated position.

Utility model content

The purpose of the utility model is to overcome the technical problems present on, provide a kind of module based on RFID technique Change boxes for keys.

To achieve the above object, the utility model adopts the following technical solutions:

A kind of modularization boxes for keys based on RFID technique, including embedded Control host and at least one boxes for keys, often A key layer is at least arranged in a boxes for keys, and the key layer at least installs a key management module and layer centralized control plate；Institute Stating key management module includes module body, and the module body includes RFID label tag board, circuit control panel, electromagnetic self-locking dress It sets, position in storehouse induction box and indicator light, and offers limiting slot at its front end；The circuit control panel, electromagnetic self-locking device, position in storehouse Induction box and indicator light are mounted in the module body, and the indicator light and the circuit control panel are electrically connected；It is described embedding Enter formula control host to be electrically connected by the layer centralized control plate and the circuit control panel；RFID label tag board side is set There is handle portion, the other side is equipped with lock end portion, and medium position attaching rfid tag, insertion is mounted in the limiting slot, described to mention Hand is equipped with retaining ring, and key is buckled on the retaining ring；Position in storehouse inductor, the position in storehouse are installed in the position in storehouse induction box Inductor and the circuit control panel are electrically connected.The circuit control panel confirms the limit by incuding the RFID label tag Whether the RFID label tag board is installed in slot；Have lock tongue on the electromagnetic self-locking device, by the lock tongue for lock or The lock end portion is unclamped, the circuit control panel and the electromagnetic self-locking device are electrically connected, for controlling the electromagnetic self-locking The switch motion of device.

Further, the circuit control panel includes the first MCU processor, lock drive module, radio-frequency module, radio-frequency antenna With the first module communication interface.The position in storehouse inductor and first MCU processor are electrically connected, and the position in storehouse inductor is used Whether the RFID label tag board is installed in the induction limiting slot, and induction information is sent to the first MCU and is handled Device.The radio-frequency module is given the first MCU by the Data Concurrent that the radio-frequency antenna reads the RFID label tag and is handled Device；First MCU processor connects the electromagnetic self-locking device by the lock drive module, for controlling the electromagnetism certainly The switch motion of locking device；The first module communication interface and first MCU processor are electrically connected.

Further, the circuit control panel further includes lock status module and the first address interface, the lock status module It is electrically connected with the first address interface and first MCU processor.

Further, emergent unlocking device is also equipped in the key management module body.

Further, automatic pop-up device is installed in the limiting slot.

Further, the automatic pop-up device is spring.

The layer centralized control plate includes the second MCU processor, and the concentration being electrically connected with the second MCU processor is led to Believe interface, the second address interface, first information memory module and the second module communication interface.

Further, it is equipped between the embedded Control host and the layer centralized control plate and concentrates plate, described in every layer The layer centralized control plate of key layer is electrically connected after mutually cascading by the concentration plate and the embedded Control host.

Further, the concentration plate includes third MCU processor, and is connected with third MCU processor electrical property Third address interface, the second information storage module, the layer connect concentrates communication interface and embedded Control host communication interface.

Further, it is electrical with the layer centralized control plate after the key management module of every layer of key layer mutually cascades Connection.

The utility model has the beneficial effects that

1. store or give back key, does not have to designated position, can arbitrarily place, system can be according to the unique of key Label real-time perfoming identification, the position that locking key is put into, is automatically performed the process that key is given back, and greatly facilitates user behaviour Make.

2. can accurately recognize each key using each key management module one key of corresponding management Unique number is accurately managed by minimum unit, ensure that the safety of key itself, is more convenient user's operation, is reduced The possibility of error.Simultaneously flexible number combinations can be carried out according to the management quantity demand of user, do not need to hardware again into Row change.

3. each independent operation of key management module, all key management modules are simultaneously using distributed cascade mode Row carries out, and improves the real-time of whole system.All information have backup in each layer, and data are effectively guaranteed Reliability.

4. using RFID technique, realize and key in kind is subjected to digital management, by the ID number for reading RFID label tag It is set as the number of key, it is ensured that the uniqueness of key number improves the accurate management of key.

5. take key, by the guide of indicator light, the key of being obtained can be quickly found out.

Detailed description of the invention

A kind of Fig. 1: structural schematic diagram of the modularization boxes for keys based on RFID technique of the utility model.

Fig. 2: the structural block diagram of layer centralized control plate.

Fig. 3: the structural schematic diagram of key management module.

Fig. 4: the structural schematic diagram of RFID label tag board.

Fig. 5: floor map when key management module uses.

Fig. 6: the structural block diagram of circuit control panel.

A kind of Fig. 7: electrical cascade schematic diagram of the modularization boxes for keys based on RFID technique of the utility model.

Fig. 8: the structural block diagram of plate is concentrated.

Label declaration:

1: boxes for keys；2: embedded Control host；3: key management module；31:RFID tag board；311: handle portion； 312: retaining ring；313: lock end portion；32: electromagnetic self-locking device；33: circuit control panel；331: the first MCU processors；332: radio frequency Module；333: radio-frequency antenna；334: position in storehouse inductor；335: the first module communication interfaces；336: lock drive module；337: lock shape Morphotype block；338: the first address interfaces；34: indicator light；35: emergent unlocking device；36: automatic pop-up device；37: position in storehouse sense Answer box；4: layer centralized control plate；41: the second MCU processors；42: concentrating communication interface；43: first information memory module；44: Second module communication interface；45: the second address interfaces；5: concentrating plate；51: third MCU processor；52: embedded Control host Communication interface；53: the second information storage modules；54: layer concentrates communication interface；55: third address interface.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and embodiments.

Embodiment one:

As shown in Figure 1, a kind of modularization boxes for keys based on RFID technique, including boxes for keys 1 and embedded Control host 2, boxes for keys 1 is provided with six layers of key layer, and every layer of key layer is equipped with 13 key management modules 3 and one piece of layer centralized control Plate 4.

The embedded Control host 2 uses I.MX6UL series processors, is the control centre of entire boxes for keys 1, a side Face connects upper-level system and carries out data exchange, is on the other hand to be realized by articulamentum centralized control plate 4 to 1 information of boxes for keys Acquisition and control, the information of the final RFID label tag of the utility model are stored in embedded Control host 2, at the same time, It, can be by the information comparison before the real time information and power-off of acquisition, this ensure that in the device powers down phase after this system powers on every time Between key safety.

As shown in Fig. 2, the layer centralized control plate 4 include the second MCU processor 41, and with the second MCU processor 41 Concentration communication interface 42, first information memory module 43, the second module communication interface 44 and the second address interface 45 of connection.Layer The information of the key management module 3 of layer where the acquisition of 4 poll of centralized control plate, while receiving from embedded Control host 2 Information, and collected information is reported, or control key management module 3.Layer centralized control plate 4 is set, to upper Layer control terminal, is convenient for 2 hierarchical control key management module 3 of embedded Control host, improves working efficiency；It is to place layer, just The mutually cascade key management module 3 of layer where layer centralized control plate 4 manages, improves accuracy.In actual operation, when After key management module 3 recognizes the ID number of a key, in addition to reporting identification information in time, while by this ID number together with position Confidence ceases one piece and is saved in portion in first information memory module 43.After a key normal flow is taken away, in time by information It removes.It takes away if it is a key is improper, notes abnormalities after comparison, abnormal is reported together with ID number, so more Add the safety for further ensuring data.The second MCU processor 41 in the present embodiment uses STM8S series monolithic.

Key management module 3 acquires the status information of key and memory module, the unique ID number including key, and by information It reports, while the control information of receiving layer centralized control plate 4, the control that key lock is switched.

As in Figure 3-5, the key management module 3 includes module body, and module body includes RFID label tag board 31, electricity Magnetic self-locking device 32, circuit control panel 33, indicator light 34 and position in storehouse induction box 37.And limiting slot is offered at its front end；It is described Electromagnetic self-locking device 32, circuit control panel 33, indicator light 34 and position in storehouse induction box 37 are mounted in the module body.

The indicator light 34 is electrically connected with the circuit control panel 33, guides user correct by indicator light 34 and quick Ground finds specified key, while if operating mistake, also can be carried out alarm.The embedded Control host 2 passes through the layer Centralized control plate 4 and the circuit control panel 33 are electrically connected, and are realized in this way convenient for embedded Control host 2 to key management mould The management and control of block 3.

As shown in figure 4,31 side of RFID label tag board is equipped with handle portion 311, the other side is equipped with lock end portion 312, middle part Position attaching rfid tag, insertion are mounted in the limiting slot, and the handle portion 311 is equipped with retaining ring 312, and key is buckled in On the retaining ring 312；The circuit control panel 33 confirms in the limiting slot whether be equipped with by incuding the RFID label tag The RFID label tag board 31.

The in kind of key is carried out digitized processing by the RFID label tag board 31, as the unique number of each key, into The foundation of digitized management is the index of entire data base administration.Side is equipped with handle portion 311 on RFID label tag board 31, separately Side is equipped with lock end portion 313, and medium position attaching rfid tag, insertion is mounted in the limiting slot, in the handle portion 311 Equipped with retaining ring 312, key is buckled on the retaining ring 312.Position in storehouse inductor 334, institute are installed in the position in storehouse induction box 37 It states position in storehouse inductor 334 and the circuit control panel is electrically connected.The circuit control panel 33 is by incuding the RFID label tag Confirm whether the RFID label tag board 31 is installed in the limiting slot.RFID label tag has unique ID number, this is unique ID number carries out processing and the unique number as key, and which ensures that the uniqueness of key number, realizes key material object Digital management.There is lock tongue on the electromagnetic self-locking device 32, by the lock tongue for lockking or unclamping the lock end portion 313, the key card being put into can be locked automatically, can effectively prevent from accidentally taking by mistake.The circuit control panel 33 with The electromagnetic self-locking device 32 is electrically connected, and can control the switch motion of the electromagnetic self-locking device 32.

Preferably, as shown in fig. 6, the circuit control panel 33 includes the first MCU processor 331, lock drive module 336, radio-frequency module 332, radio-frequency antenna 333 and the first module communication interface 335.The position in storehouse inductor 334 and described first MCU processor 331 is electrically connected, and the position in storehouse inductor 334 is for incuding whether be equipped with the RFID in the limiting slot Tag board 31, and induction information is sent to first MCU processor 331；The radio-frequency module 332 passes through the radio frequency day The Data Concurrent that line 333 reads the RFID label tag gives first MCU processor 331；First MCU processor 331 The electromagnetic self-locking device 32 is connected by the lock drive module 336, for controlling the switch of the electromagnetic self-locking device 32 Movement；The first module communication interface 335 is electrically connected with first MCU processor 331.

Preferably, the circuit control panel 33 further includes lock status module 337 and the first address interface 338, described Lock status module 337 and first MCU processor 331 are electrically connected, and are unlocked as the control of the first MCU processor 331 anti- Feedback signal guarantees that electromagnetic self-locking device 32 is normally turned on, if detecting abnormal unlocking, alarms.First ground Location interface 338 and first MCU processor 331 are electrically connected, and the first MCU processor 331 passes through the first address interface of acquisition 338 signal determines the address of key management module 3 itself, while in the communication of multiple key management modules 3, guaranteeing mutual Between do not conflict.

First MCU processor 331 described in the utility model uses STM32F103 series processors, and position inductor is to use Infrared diffusing reflection induction mode, lock drive module 336 uses metal-oxide-semiconductor control mode, and radio-frequency module 332 is using Yi Fa company AS39Xx train of radio frequency chip, radio-frequency antenna 333 are the size requirements according to structure, and the frequency of work identifies distance, further according to Line width on route, line-spacing adjust the inductance, the parameters such as Q value, at the same it is reserved have match circuit, when final debugging, passes through tune Whole match circuit reaches optimal recognition effect.

In practical application, all key management modules 3 are mutual by the first module communication interface 335 on every layer of key layer After cascade, the one of key management module 3 of reselection is concentrated by the layer of its first module communication interface 335 and place layer to be controlled Second module communication interface 44 of making sheet 4 connects, it is established that the communication connection of key management module 3 and layer centralized control plate 4.

As shown in fig. 7, layer centralized control plate 4 concentrates communication interface 42 mutually to cascade by it between each other, such as first The layer centralized control plate 4 of key layer and the layer centralized control plate 4 of the second key layer concentrate communication interface 42 to be connected with each other by it, The layer centralized control plate 4 of second key layer and the layer centralized control plate 4 of third key layer concentrate communication interface 42 mutual by it Connection, the layer centralized control plate 4 of third key layer and the layer centralized control plate 4 of the 4th key layer concentrate communication interface 42 by it It is connected with each other, the layer centralized control plate 4 of the 4th key layer, which is communicated with the layer centralized control plate 4 of the 5th key layer by its concentration, to be connect Mouth 42 is connected with each other, and the layer centralized control plate 4 of the 5th key layer and the layer centralized control plate 4 of the 6th key layer are concentrated by it and led to Believe that interface 42 is connected with each other, to realize that layer centralized control plate 4 and layer centralized control plate 4 cascade, it is established that layer centralized control plate 4 With the communication connection between layer centralized control plate 4.

The utility model is using a key management module 3 one key of corresponding management, and each key management module 3 is set Circuits control panel 33, can accurately recognize the unique number of each key in this way, accurately be managed by minimum unit Reason, ensure that the safety of key itself, is more convenient user's operation, reduces the possibility of error.It simultaneously can also be according to difference The management quantity demand of user, carries out flexible number combinations, does not need how to change hardware again, it is only necessary to insertion The software that formula controls host 2 carries out relevant configuration.And using distributed cascade mode, each key management module 3 Independent and parallel operation improves the real-time of whole system, and all information has backup in each key layer, effectively The reliability that ensure that data.

Embodiment two:

Difference with above-described embodiment one is: being equipped with and concentrates between embedded Control host 2 and layer centralized control plate 4 Plate 5.

As shown in figure 8, concentrating plate 5 includes third MCU processor 51, and be electrically connected with third MCU processor 51 Third address interface 55, the second information storage module 53, layer concentrate communication interface 54 and embedded Control host communication interface 52.Third MCU processor 51 in the present embodiment uses STM8S series monolithic.

After the mutually cascade of layer centralized control plate 4, one of layer centralized control plate 4 is selected, communication interface is concentrated by it 42 concentrate communication interface 54 to be electrically connected with layer, and embedded Control host communication interface 52 is electrically connected embedded Control host 2, It is communicated again by the concentration plate 5 with the foundation of embedded Control host 2 after layer centralized control plate 4 mutually cascades to realize.

Plate 5 is concentrated to be responsible in real time being brought together the information in the layer centralized control plate 4 of every key layer, when embedded control When host 2 processed is inquired, in time by information reporting, response speed is improved.Simultaneously when needing to dispose more boxes for keys 1, one A embedded Control host 2 can be extended by connecting multiple concentration plates 5.

Embodiment three:

Difference with above-described embodiment one or two is: being also equipped with emergent unlocking device on 3 ontology of key management module 35, when electromagnetic self-locking device 32 can not automatically open, electromagnetic self-locking device can be opened by emergent unlocking device 35 manually 32, manual unlocking is realized, to take out RFID label tag board 31.Automatic pop-up device 36, appliance for releasing single are installed in the limiting slot Device 36 can be spring or other elastomeric elements out.After RFID label tag board 31 is mounted on limiting slot, electromagnetic self-locking device 32 Lock tongue can lock the lock end portion 313 of RFID label tag board 31, and RFID label tag board 31 can suppress automatic pop-up device 36 simultaneously, automatically Meeting output reaction force, locks RFID label tag board 31 under electromagnetic self-locking device 32 after device for ejecting 36 is pressurized, and automatic Under the reaction force of device for ejecting 36, RFID label tag board 31 is immovably mounted in limiting slot.At the same time, work as electromagnetism Self-locking device 32 unlock when, automatic pop-up device 36 under compression reaction force by RFID label tag board 31 from limiting slot outside bullet A certain distance is so that it is convenient to which user's extraction RFID label tag board 31, also makes it easy to user and take key out.

In above-described embodiment one, two or three, communication interface 42, the first module communication interface 335, the communication of the second module are concentrated It can be RS232 port, RS422 port or RS485 port, embedded Control that interface 44 and layer, which concentrate communication interface 42, Host communication interface 52 can be RS232 port, RS422 port, RS485 port or RJ45 network interface.Boxes for keys 1 and key The quantity of spoon management module 3 can be increased or decreased flexibly according to the demand of user.

Finally, it should be noted that above embodiments are only to illustrate the utility model and not limit the utility model and retouched The technical solution stated；Therefore, although this specification the utility model is had been carried out referring to above-mentioned each embodiment it is detailed Illustrate, still, those skilled in the art should understand that, it still can modify to the utility model or equally replace It changes；And the technical solution and its improvement of all spirit and scope for not departing from the utility model, it should all cover practical new at this In the scope of the claims of type.

Claims (10)

1. a kind of modularization boxes for keys based on RFID technique, including embedded Control host and at least one boxes for keys, each A key layer is at least arranged in boxes for keys, it is characterised in that: the key layer at least installs a key management module and layer is concentrated Control panel；The key management module includes module body, and the module body includes RFID label tag board, circuit control panel, electricity Magnetic self-locking device, position in storehouse induction box and indicator light, and limiting slot is offered at its front end；The circuit control panel, electromagnetic self-locking Device, position in storehouse induction box and indicator light are mounted in the module body, and the indicator light electrically connects with the circuit control panel It connects；The embedded Control host is electrically connected by the layer centralized control plate and the circuit control panel；The RFID mark Side cut the deck equipped with handle portion, the other side is equipped with lock end portion, medium position attaching rfid tag, and insertion is mounted on the limiting slot In, the handle portion is equipped with retaining ring, and key is buckled on the retaining ring；Position in storehouse induction is installed in the position in storehouse induction box Device, the position in storehouse inductor and the circuit control panel are electrically connected, and the circuit control panel is by incuding the RFID label tag Confirm whether the RFID label tag board is installed in the limiting slot；There is lock tongue on the electromagnetic self-locking device, passes through the lock Tongue is for lockking or unclamping the lock end portion, and the circuit control panel and the electromagnetic self-locking device are electrically connected, for controlling The switch motion of the electromagnetic self-locking device.

2. the modularization boxes for keys according to claim 1 based on RFID technique, it is characterised in that: the circuit control panel Including the first MCU processor, lock drive module, radio-frequency module, radio-frequency antenna and the first module communication interface；

The position in storehouse inductor and first MCU processor are electrically connected, and the position in storehouse inductor is for incuding the limit Whether the RFID label tag board is installed in slot, and induction information is sent to first MCU processor；

The radio-frequency module is given the first MCU by the Data Concurrent that the radio-frequency antenna reads the RFID label tag and is handled Device；First MCU processor connects the electromagnetic self-locking device by the lock drive module, for controlling the electromagnetism certainly The switch motion of locking device；The first module communication interface and first MCU processor are electrically connected.

3. the modularization boxes for keys according to claim 2 based on RFID technique, it is characterised in that: the circuit control panel It further include lock status module and the first address interface, the lock status module and the first address interface and the first MCU are handled Device is electrically connected.

4. the modularization boxes for keys according to claim 1 based on RFID technique, it is characterised in that: the layer centralized control Plate includes the second MCU processor, and be electrically connected with the second MCU processor concentration communication interface, the second address interface, the One information storage module and the second module communication interface.

5. the modularization boxes for keys according to claim 1 based on RFID technique, it is characterised in that: the key management mould Emergent unlocking device is also equipped on block body.

6. the modularization boxes for keys according to claim 1 based on RFID technique, it is characterised in that: peace in the limiting slot Equipped with automatic pop-up device.

7. the modularization boxes for keys according to claim 4 based on RFID technique, it is characterised in that: the automatic spring dress Setting is spring.

8. the modularization boxes for keys according to claim 1 based on RFID technique, it is characterised in that: the embedded Control It is equipped with after concentrating plate, the layer centralized control plate of every layer of key layer mutually to cascade and leads between host and the layer centralized control plate It crosses the concentration plate and the embedded Control host is electrically connected.

9. the modularization boxes for keys according to claim 8 based on RFID technique, it is characterised in that: the concentration plate includes Third MCU processor, and the third address interface, the second information storage mould that are electrically connected with the third MCU processor Block, layer concentrate communication interface and embedded Control host communication interface.

10. the modularization boxes for keys according to claim 1 based on RFID technique, it is characterised in that: every layer of key The key management module of layer is electrically connected after mutually cascading with the layer centralized control plate.