CN217975774U - Key cabinet key storage bin - Google Patents

Abstract

The utility model relates to a key cabinet key storage bin, which comprises a shell, wherein the shell is provided with a key mounting hole and an electromagnetic lock, the shell is also provided with a grid master control board, the grid master control board is provided with a CPU, an electromagnetic lock driving chip, a power supply fuse, a reverse connection circuit, a voltage stabilizing circuit and an address selection switch, and is also provided with an RJ45 interface and a PH2.0 contact pin interface; the CPU is connected with a data bus through an RJ45 interface; the electromagnetic lock driving chip is connected with the electromagnetic lock through a PH2.0 contact pin interface; the main control board of the compartment is also provided with a card reading module; the key ring is provided with an IC card chip, the key storage compartment provided by the utility model realizes self circuit control, and enhances the event processing capability of the storage compartment; the storage bin has a key identification function, and the storage bin can directly register the stored key.

Description

Key cabinet key storage bin

Technical Field

The utility model belongs to the key is deposited and is come in and go out registration management equipment, specifically is a key cabinet key storage storehouse.

Background

For the unit that needs to manage a large amount of keys in a centralized way, the key cabinet is used for carrying out borrowing and returning management and recording of the keys, and the method is very effective for improving the working efficiency.

With the continuous progress of embedded technology, various electronic products capable of realizing predetermined functions have been developed through hardware design and software programming. The prior art discloses various management cabinets, and the management cabinets comprise a plurality of small storage grids, and each small storage grid is provided with an independent electronic lock of the storage grid. In the prior art, a key storage cabinet master control system is similar to a supermarket storage cabinet, the space of a storage grid is large, and the utilization rate of keys for storing small volumes is low.

The master controller of the intelligent key cabinet prestores the bin information, the key information and the user information. When the key cabinet processes the key borrowing and returning process, the user information needs to be checked → the target key needs to be found → the bin needs to be positioned. To reduce the amount of data processing, keys are typically stored in fixed bins. When the staff need borrow the key, obtain the number of the bin from the main control computer; when returning the key, the automatic control machine is also required to search the position of the cell bin and return the cell bin to the original cell bin. The time of using the main control computer is long, and when many people borrow and return at the same time, the keys need to be borrowed and returned to queue. In addition, after the key cabinet with the structure is used for a long time, because partial keys are replaced and abandoned, a plurality of unused compartments are used, the compartments can be located at any position of the storage cabinet, and a plurality of empty middle compartments are formed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is that the existing key cabinet has large space for storing keys and large volume of the cabinet machine; the technical problem of an empty intermediate bin is easy to occur.

The utility model provides a problem, the technical scheme who adopts is:

a key cabinet key storage bin comprises a shell, wherein a key mounting hole and an electromagnetic lock are arranged on the shell, a bin main control board is further arranged on the shell, a CPU, an electromagnetic lock driving chip, a power supply fuse, a reverse connection circuit, a voltage stabilizing circuit and an address selection switch are arranged on the bin main control board, and an RJ45 interface and a PH2.0 contact pin interface are further arranged on the bin main control board; the CPU is connected with a data bus through an RJ45 interface; the electromagnetic lock driving chip is connected with the electromagnetic lock through a PH2.0 contact pin interface; the main control board of the compartment is also provided with a card reading module; and an IC card chip is arranged on the key ring.

Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:

the key storage compartment provided by the utility model has an independent control panel, realizes self circuit control, and strengthens the event processing function of the storage compartment; the storage bin is provided with a card reading module, key rings with uniform specifications are set for all keys, and the keys are respectively marked, so that the storage bin has a key identification function, and the storage bin can directly register the stored keys.

Preferably, the present invention further provides:

the card reading module is an integrated element on the bin main control board or an independent electronic element which is detachably arranged on the bin main control board.

Still install the pilot lamp on the casing, the lateral surface of casing is equipped with the light trough, is equipped with the wire casing that links to each other with the light trough in the casing, and the other end of wire casing sets up in the one side that is close the check storehouse main control board. The indicator lamp with the structure has good installation stability, and the indicator lamp circuit is provided with a special wire slot to avoid circuit interference.

The bottom of the mounting hole is provided with a microswitch, and the microswitch consists of a switch body and a metal pressing sheet; the switch is fixedly connected with the shell; the end of the metal pressing sheet shaft is connected with the switch body through a rotating shaft, and the free end is far away from the switch body; the micro switch is connected with the electromagnetic lock driving chip. This micro-gap switch releases the lock-stopping back to the key ring at the electromagnetic lock, outwards releases the key ring, makes draw-in groove and spring bolt dislocation, and the spring bolt cuts off the power supply fast and resets can not kayser key ring again, and electromagnetic lock live time is short to the increase of service life practices thrift the electric energy.

The electromagnetic lock control circuit supplies power to the electromagnetic lock by instantaneous current, and the power-on time is 0.2 to 0.5 seconds.

Be equipped with the recess that matches with key body shape on the key ring, the depth of groove is more than or equal to key thickness. The structure enables the key to be placed into the mounting hole together with the key ring, and avoids the problem that the key is easy to hang and lose easily. The key body can also be verified to be corresponding to the key ring.

Drawings

FIG. 1 is a perspective view of the storage bin structure of the present invention;

FIG. 2 is a front structural view of the storage bin of the present invention;

FIG. 3 is a schematic diagram of a cell master control board interface circuit;

FIG. 4 is a diagram of a cell master control board CPU circuit;

FIG. 5 a power supply circuit for a cellular panel;

FIG. 6 is a communication circuit of a cellular main control board;

FIG. 7 a drive circuit for a cell master control board;

FIG. 8 is a card reading module circuit;

FIG. 9 is a view of the housing and its mounting structure;

FIG. 10 is a view of the key ring structure;

FIG. 11 is a diagram showing the key fob popping up;

fig. 12 is a schematic view of a further improved structure of the key ring.

In the figure: 1. a grid chamber main control board; 2. a housing; 3. a key ring; 3-1, a clamping groove; 3-2, a groove; 4. an indicator light; 5. an electromagnetic lock; 5-1, a lock tongue; 6. an RJ45 interface; 7. mounting holes; 8. a card reading module; 9. opening; 10. an elastic element; 11. an IC card chip; 12. a key body.

Detailed Description

The invention will be further described with reference to the following examples, which are intended only for a better understanding of the invention, and therefore, the examples do not limit the scope of the invention.

Referring to fig. 1 to 11, a key storage bin of a key cabinet comprises a shell 2, a key mounting hole 7 and an electromagnetic lock 5 are arranged on the shell 2, a compartment main control board 1 is also arranged on the shell 2, a CPU, an electromagnetic lock driving chip, a power supply fuse, a reverse connection circuit, a voltage stabilizing circuit and an address selection switch are arranged on the compartment main control board 1, an RJ45 interface 6 and a PH2.0 contact pin interface are also arranged, and the CPU is connected with a data bus through the RJ45 interface; the electromagnetic lock driving chip is connected with the electromagnetic lock through a PH2.0 contact pin interface; the main control board 1 of the compartment is also provided with a card reading module 8; and an IC card chip 11 is arranged on the key ring 3.

The mode of the storage bin integrating the card reading function can be in various forms, the card reading module 8 circuit is directly integrated on the bin main control board 1, an independent card reading module 8 circuit can also be arranged, and the card reading antenna (coil) and the card reading circuit can share one circuit module or adopt an independent coil as an antenna. An independent card reading module 8 is adopted and is connected with the main cabin control board 1 through a special interface, and the specific interface forms a P3 interface in the figure 3 and the figure 8. The card reading module 8 is responsible for reading key ring information, specifically, a serial code of the IC card chip 11, which is recorded as an identification code of each key in the key locker management system.

Because the shape of the key is different, the length is different, therefore the key ring 3 of unified specification has been designed. In order to ensure that the key body 12 corresponds to the designed key ring 3 one by one, a chain belt and the like are connected in a non-detachable way. The inserting end of the key ring 3 is provided with a clamping groove 3-1.

The utility model discloses mounting hole 7 can be the through-hole, also can be the blind hole, and mounting hole 7 is extended to the inboard by the 2 outsides of casing. The section size of the mounting hole 7 is matched with the key ring 3. The inserting end of the key ring 3 is arranged in the mounting hole 7.

The shell 2 is provided with a notch 9, the electromagnetic lock 5 is arranged in the notch 9, and a bolt 5-1 of the electromagnetic lock 5 protrudes into the mounting hole 7 from the side surface of the mounting hole 7 and is clamped into the clamping groove 3-1, so that the key ring 3 is locked.

The electromagnetic lock 5 of the utility model is a built-in lock, the lock tongue 5-1 is powered on and unlocked, and the power failure is extended out. The original unlocking structure is that the electromagnetic lock 5 retracts the spring bolt after receiving an instruction, the clamping of the key ring 3 is released, the unit controller makes the spring bolt 5-1 extend after the key ring 3 is taken away, and the electromagnetic lock 5 is electrified for a long time in the control mode.

In order to further reduce the power consumption, the 5 circular telegram latency of short electromagnetic lock, refer to fig. 9 and fig. 11, the utility model discloses establish in the mounting hole 7 and set up a micro-gap switch 10, this micro-gap switch 10 comprises switch body and a metal preforming, switch body and 2 rigid couplings of casing, and the metal preforming axle head links to each other with switch body through the pivot, and switch body is kept away from to the free end. The microswitch 10 is used for pushing the key ring 3 outwards after the electromagnetic lock 5 is unlocked, so that the clamping groove 3-1 and the bolt 5-1 are dislocated, and the key ring 3 can not be clamped and locked even if the bolt 5-1 extends out. The actions of the microswitch 10 and the electromagnetic lock 5 are controlled by an electromagnetic lock driving chip, and the micro-motion shape 10 is matched with the electromagnetic lock, so that the power-on time of the electromagnetic lock 5 is shortened.

The specific action process of the microswitch is as follows: 1) When the key ring 3 is blocked by the card, the free end is close to the switch body by the pressure of the key ring 3. 2) The electromagnetic lock driving chip controls the bolt 5-1 to retract, and the pressure of the key ring 3 on the metal pressing sheet is greatly reduced. 3) The electromagnetic lock driving chip controls the rotation of the rotating shaft of the microswitch 10, and the free end of the metal pressing sheet pushes the key ring 3 outwards, so that the clamping groove 3-1 and the lock tongue 5-1 are staggered. 4) The electromagnetic lock driving chip controls the bolt 5-1 to reset and extend.

The electromagnetic lock driving chip adopts a transient circuit, and each action time is extremely short. The electrifying time of the electromagnetic lock 5 can reach less than 1 second. The operation of the microswitch 10 can be as compact as 0.2 to 0.5 seconds. Compared with the prior structure, the power-on time is reduced by 5-10 times, thereby remarkably reducing the use amount.

Furthermore, the staff finds the keys needed by the staff through the compartment numbers. Consider that the key ring 3 receives the ejection after the unblock, nevertheless if the key ring 3 receives elasticity inertia too big easily jump out the storage compartment, inconvenient staff looks for on the contrary. In order to avoid the key ring 3 jumping out of the mounting hole 7 directly, the mounting hole 7 is designed to incline upwards, and the opening side of the mounting hole inclines upwards. The inclined mounting hole 7 enables the key ring 3 to fall back to the mounting hole under the action of gravity, fall onto the lock tongue 5-1 and be kept in the compartment to be taken away by a worker.

The utility model discloses still install pilot lamp 4 on the casing, the lateral surface of casing 1 is equipped with the light trough, is equipped with the wire casing that links to each other with the light trough in the casing, and the other end of wire casing sets up in one side that is close check storehouse main control board 1. The state of the compartment is occupied, and the state of the compartment is idle is visually represented by the indicating lamp. Set up light trough, wire casing on casing (cubic assembly body), the installation stability of pilot lamp 4 is good, and the pilot lamp circuit has dedicated wire casing, avoids the circuit interference. The block-shaped shell has high strength.

Further, referring to fig. 12, in order to make the key body 12 uniquely correspond to the key ring, the key ring 3 is provided with a groove 3-2, the key body 12 is installed in the groove 3-2, the key body 12 is completely embedded into the groove 3-2 and inserted into the installation hole 7 together with the key ring 3, and whether the key body corresponds to the key ring or not is verified. The inserting end of the key ring 3 is provided with a clamping groove 3-1.

The utility model discloses casing 2 can be with the preparation of inferior gram force board, also can pass through 3D printing preparation with the PVC material. Of course, the key ring can be designed into a cylindrical or square column structure, not only in the structure shown in the figure.

The utility model discloses the holistic volume in storage storehouse also can be very little, therefore the whole volume in storehouse check also can design very little, can install the more check storehouse of quantity like this in the key cabinet of equal size.

The utility model discloses a check storehouse not only can carry out the descending instruction of key cabinet major control system, can also upwards transmit data information. The utility model discloses a bus not only transmits key cabinet master control system to the order in storage storehouse, can also transmit the information after the storage storehouse is handled, forms two-way interaction.

The utility model provides a key storage check storehouse possesses independent control panel, realizes oneself circuit control, has strengthened the incident processing function in storage storehouse. The command of the key cabinet main control system is received by the compartment main control board 1, and the compartment main control board 1 carries out a series of controls on the storage compartment according to the requirement of the key cabinet main control system. The master control board 1 of the compartment has a card reading module to make the storage compartment have the function of key identification, and the storage compartment can directly register the stored key. When a user returns the key, the user does not need to register and store the key in the key cabinet master control system firstly, then go to the storage bin position to place the key, but the key is stored and registered, so that the key cabinet is convenient and fast to use. The utility model discloses a share key cabinet major control system's use amount, key information feedback that the check storehouse master control board 1 can will stock in is to key cabinet major control system. The feedback information may include the present bin number, key identification code, bin status information, etc. The record of the key cabinet master control system modifies the record in real time according to the feedback information of the storage bin, and the system positions the position of the compartment next time when the key is borrowed through the updating code.

This scheme storage storehouse allows arbitrary key ring 3 to be deposited in, and the user can make things convenient for the key to return the work from the storage storehouse nearby, in order, reduces the event processing sequence of key cabinet host computer, reduces staff's latency.

The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.

Claims (5)

1. The utility model provides a key cabinet key storage storehouse, storage storehouse includes casing (2), is equipped with key mounting hole (7) and electromagnetic lock (5) on casing (2), its characterized in that: the shell (2) is also provided with a chamber main control board (1), the chamber main control board (1) is provided with a CPU, an electromagnetic lock driving chip, a power supply fuse, a reverse connection circuit, a voltage stabilizing circuit and an address selection switch, and is also provided with an RJ45 interface (6) and a PH2.0 contact pin interface; the CPU is connected with a data bus through an RJ45 interface (6); the electromagnetic lock driving chip is connected with the electromagnetic lock (5) through a PH2.0 contact pin interface; the main control board (1) of the compartment is also provided with a card reading module (8); the key ring is also provided with a key ring (3), an IC card chip (11) is arranged on the key ring (3), and the insertion end of the key ring (3) is arranged in the mounting hole (7).

2. The key cabinet key storage bin of claim 1, wherein: the card reading module (8) is an integrated element on the cell main control board (1) or an independent electronic element which is detachably arranged on the cell main control board (1).

3. The key cabinet key storage bin of claim 2, wherein: still install pilot lamp (4) on casing (2), the lateral surface of casing (2) is equipped with the light trough, is equipped with the wire casing that links to each other with the light trough in the casing, and the other end of wire casing sets up in the one side of being close the check storehouse main control board.

4. The key cabinet key storage bin of claim 3, wherein: the bottom of the mounting hole (7) is provided with a microswitch, and the microswitch consists of a switch body and a metal pressing sheet; the switch is fixedly connected with the shell (2); the end of the metal pressing sheet shaft is connected with the switch body through a rotating shaft, and the free end is far away from the switch body; the microswitch (10) is connected with the electromagnetic lock driving chip.

5. The key cabinet key storage bin of claim 4, wherein: the key ring (3) is provided with a groove (3-2) matched with the shape of the key body, and the depth of the groove (3-2) is more than or equal to the thickness of the key.

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