Intelligent key cabinet and control method

Abstract

The invention relates to the technical field of key cabinets, in particular to an intelligent key cabinet and a control method.The intelligent key cabinet comprises a cabinet body, a supporting plate and a storage rack which are arranged in the cabinet body, and storage assemblies arranged on the supporting plate in a rectangular array mode; the storage assembly comprises a storage piece arranged on the supporting plate, an identification lamp board arranged above the storage piece and electrically connected with the storage piece, and an anti-weight piece arranged behind the storage piece and matched with the storage piece, and the key assembly comprises a plug pin piece matched with the storage piece. The key and the nameplate are connected together through a ring, the cabinet door assembly comprises a cabinet door rotationally connected with the cabinet body, a main control display screen and a card swiping sensor are arranged on the cabinet door, and the effect that an RFID chip is omitted to record key borrowing is achieved.

Description

Technical Field

[0001] This invention relates to the field of key cabinet technology, and in particular to an intelligent key cabinet and its control method. Background Technology

[0002] A smart key cabinet is a device for intelligent and digital management of keys. It can read key information, borrowing and returning status, and identify the borrower's permissions. Most existing smart key cabinets are based on attaching RFID chips to the key body. The RFID chips are read by the corresponding readers inside the cabinet, thereby realizing the reading of key information and borrowing and returning status.

[0003] Existing key cabinets use this technology, but after long-term use, the following problems have been found: the information reading is not sensitive enough, the reading accuracy is not high, and the RFID chip attached to the key is easy to fall off or be damaged, which is not conducive to long-term use. In order to solve this problem, we propose an intelligent key cabinet and control method. Summary of the Invention

[0004] In view of the problems in the above or existing technologies, such as insufficient sensitivity and low accuracy of RFID chip reading, and the easy fall-off or damage of RFID chips attached to keys, which are not conducive to long-term use, this invention is proposed.

[0005] Therefore, the purpose of this invention is to provide an intelligent key cabinet and its control method.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an intelligent key cabinet, including a cabinet body, a support plate and a shelf disposed within the cabinet body, and a storage assembly arranged in a rectangular array on the support plate. The storage assembly includes a storage component disposed on the support plate, an identification light plate disposed above the storage component and electrically connected to the storage component, and an anti-weight component disposed behind the storage component and matching the storage component. The key assembly includes a latch component matching the storage component, and a key and a nameplate connected together by a ring. The cabinet door assembly includes a cabinet door rotatably connected to the cabinet body, and the cabinet door is provided with a main control display screen and a card reader.

[0007] As a preferred embodiment of the intelligent key cabinet of the present invention, the storage component includes a storage seat disposed on the support plate, a storage slot formed on the storage seat, an adjustment cavity formed on the inner wall of the storage slot and communicating with the storage slot, an adjustment rod disposed in the adjustment cavity, and a tension spring disposed on the adjustment rod.

[0008] As a preferred embodiment of the intelligent key cabinet of the present invention, the storage component further includes a bottom block and a push spring disposed in the storage slot, and a push rod disposed on the side of the bottom block away from the push spring and movably penetrating through the inner wall of the storage slot. The anti-weight component includes a horizontal plate disposed behind the storage seat and fixedly installed on the cabinet body. An adjusting push plate is rotatably mounted on one end of the horizontal plate, an adjusting bolt is disposed on the other end of the horizontal plate, and a reset spring sleeved on the adjusting bolt.

[0009] As a preferred embodiment of the intelligent key cabinet of the present invention, a first power-connecting pin is provided on one side of the storage base, and a copper column extending through the side wall of the storage base and into the adjustment cavity is provided at one end of the first power-connecting pin, and the adjustment rod and the copper column are electrically rotatably connected.

[0010] In a preferred embodiment of the intelligent key cabinet of the present invention, the storage base is provided with a second power-on pin and a third power-on pin at its top, and one end of the second power-on pin and the third power-on pin extends through the storage base to the top of the adjustment cavity. The two ends of the adjustment rod are respectively provided with a first connecting copper plate and a second connecting copper plate. The first connecting copper plate and the second power-on pin are electrically connected to each other, and the second connecting copper plate and the third power-on pin are electrically connected to each other. The signboard is provided with two LED beads, one red and one green. The second power-on pin and the third power-on pin are respectively connected to the red LED bead and the green LED bead.

[0011] As a preferred embodiment of the intelligent key cabinet of the present invention, the adjusting rod includes a crossbar rotatably mounted on a copper column, a protruding rod disposed at one end of the crossbar, and a snap-fit ​​copper plate disposed at the other end of the crossbar.

[0012] In a preferred embodiment of the intelligent key cabinet of the present invention, the pin includes a handrail, a connecting rod disposed at one end of the handrail, a movable sleeve and a compression spring sleeved on the connecting rod, a slot formed on the movable sleeve, and a lifting cylinder threadedly connected to the end of the connecting rod away from the handrail. The movable sleeve is provided with limit posts arranged in a circular array on the side near the lifting cylinder, and the lifting cylinder is provided with limit grooves arranged in a circular array on the side near the movable sleeve. The limit posts and limit grooves are matched and inserted into each other.

[0013] As a preferred embodiment of the intelligent key cabinet of the present invention, the movable sleeve has a toothed groove at the end away from the limiting post, and the hand handle has a toothed block matching the toothed groove on the side near the movable sleeve.

[0014] As a preferred embodiment of the intelligent key cabinet of the present invention, the inner wall of the storage slot is provided with a positioning groove, and the circumferential sidewall of the lifting cylinder is symmetrically provided with positioning blocks, and the positioning blocks and the positioning groove are slidably matched.

[0015] This invention also provides the following technical solution: a smart key cabinet control method, applied to a smart key cabinet, comprising: When a key is borrowed, the administrator swipes the borrower's ID card on the cabinet's card reader; the system automatically determines whether the borrower has borrowing authority; if authorized, the cabinet door is unlocked, the latch is pulled out of the storage seat, and the key to be borrowed is retrieved; when the latch is pulled out, a tension spring drives an adjusting rod to rotate, causing the second connecting copper plate and the third electrical pin to disconnect, and the first connecting copper plate to contact the second electrical pin, thereby changing the indicator light on the identification sign from green to red; the system automatically records the borrower's information. The system records the name of the borrowed key and the borrowing time based on changes in the circuit. It also displays the borrower's information, key name, and borrowing time on the main control screen for keys that have not been returned. When a key is returned, the administrator swipes their employee ID to open the cabinet door and inserts the latch into the corresponding storage slot inside the cabinet. If the latch is inserted into the wrong storage slot, it cannot be secured and will be pushed out by the spring. After return, the latch is secured by rotating the adjusting rod, and the internal circuit connection is switched, causing the indicator light on the sign to change from red to green. The system automatically updates the key return status based on the electrical signal.

[0016] The beneficial effects of the intelligent key cabinet of the present invention:

[0017] 1. In this invention, the plug-in changes the internal circuitry after being inserted into the storage slot, thereby causing a change in the electrical signal. The main control display screen records whether the key has been returned based on the change in the circuitry. At the same time, the spring mechanism prevents the plug-in from being ejected if it is inserted into the wrong storage slot, thus avoiding the situation where the electrical signal changes due to misinsertion, causing the main control display screen to record the key as returned.

[0018] 2. In this invention, the storage base has anti-weight components, which make the positions of the push-out springs inside different. This results in different insertion depths of the storage slots on the rectangular array of storage bases. As a result, different models of storage bases can be obtained by simply opening a mold and adding anti-weight components during the production of the storage base, thereby saving processing costs.

[0019] 3. In this invention, the spacing of the connector can be adjusted through the threaded connection between the handle and the lifting cylinder, that is, by adjusting the distance between the lifting cylinder and the slot. When a key is lost and a new key is made, there is no need to customize the connector separately. The distance between the lifting cylinder and the slot can be adjusted to match the corresponding storage seat. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is an overall schematic diagram of the smart key cabinet.

[0022] Figure 2 This is a schematic diagram of the anti-weight components and storage components of the smart key cabinet.

[0023] Figure 3 This is a schematic diagram of the internal structure of the storage components and key assembly of the smart key cabinet.

[0024] Figure 4 This is a schematic diagram showing the structural changes of the push rod in different positions of the storage components when adjusting the anti-weight components of the smart key cabinet.

[0025] Figure 5 for Figure 4 Enlarged structural diagram at point A in the middle.

[0026] Figure 6 This is a schematic diagram of the overall structure of the storage components in the smart key cabinet.

[0027] Figure 7 This is a schematic diagram of the adjustment rod structure for a smart key cabinet.

[0028] Figure 8 This is an exploded view of the latch component of a smart key cabinet.

[0029] Labels: 100, cabinet body; 101, support plate; 102, shelving unit;

[0030] 200. Storage assembly; 201. Storage component; 201a. Storage base; 201a-1. Storage slot; 201a-2. Adjustment cavity; 201a-3. Positioning slot; 201b. Adjustment rod; 201b-1. First connecting copper plate; 201b-2. Second connecting copper plate; 201b-3. Crossbar; 201b-4. Protruding rod; 201b-5. Snap-fit ​​copper plate; 201c. Tension spring; 201d. First power connection pin; 201e. Copper pillar; 201f. Second power connection pin; 201g. Third power connection pin; 202. Identification light sign; 203. Anti-weight component; 203a. Horizontal plate; 203b. Adjustment bolt; 203 c. Return spring; 203d. Adjusting push plate; 204. Base block; 205. Push spring; 206. Push rod; 300. Key assembly; 301. Pin; 301a. Hand lever; 301a-1. Connecting rod; 301a-2. Tooth block; 301b. Movable sleeve; 301b-1. Slot; 301b-2. Limiting post; 301b-3. Tooth groove; 301c. Compression spring; 301d. Lifting cylinder; 301d-1. Limiting groove; 301d-2. Positioning block; 302. Key; 303. Nameplate; 400. Cabinet door assembly; 401. Cabinet door; 402. Main control display screen; 403. Card swipe sensor. Detailed Implementation

[0031] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0032] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0034] Example 1, referring to Figures 1 to 7This is the first embodiment of the present invention. This embodiment provides an intelligent key cabinet that can achieve the effect of eliminating the need for RFID chip recording of key 302 borrowing. It includes a cabinet body 100, a support plate 101 and a shelf 102 disposed within the cabinet body 100, and a storage assembly 200 arranged in a rectangular array on the support plate 101. The storage assembly 200 includes a storage component 201 disposed on the support plate 101, an identification light 202 disposed above the storage component 201 and electrically connected to the storage component 201, and an anti-weight component 203 disposed behind the storage component 201 and matched with the storage component 201. The key assembly 300 includes a latch 301 matched with the storage component 201, and a key 302 and a nameplate 303 connected together by a ring. The cabinet door assembly 400 includes a cabinet door 401 rotatably connected to the cabinet body 100, and the cabinet door 401 is provided with a main control display screen 402 and a card reader 403.

[0035] In this embodiment, a support plate 101 is welded to the middle of the cavity of the cabinet 100, and multiple storage components 200 are arranged in a rectangular array on the support plate 101. All storage components 200 are electrically connected to the main control display screen 402 via wires. In the initial state, the main control display screen 402 labels and records each storage component 200; for example, storage component 1 corresponds to the computer room key, storage component 2 corresponds to the warehouse key, etc. One storage component 200 corresponds to one key component 300. A card reader 4... 03 is electrically connected to the main control display screen 402. After the borrower's work card is swiped, the borrowing record will be displayed on the main control display screen 402. After the key component 300 is removed from the storage component 200, the main control display screen 402 monitors and records the changes in the circuit inside the storage component 200 through the internal microcontroller, that is, records the borrowing time and key 302 name corresponding to the storage component 200. When the key 302 is returned, the main control display screen 402 will record the return time of the key 302 according to the circuit changes.

[0036] Specifically, the multiple storage units 201 arranged in a rectangular array on the support plate 101 have identical internal structures. Each row of storage units 201 has an anti-weight component 203 behind it. Adjusting the rotation angle of the anti-weight component 203 changes the storage depth of the multiple storage units 201 in that row. This ensures that each storage unit 201 requires a matching pin 301 of a specific length. The matched pin 301 is engaged after being inserted into the storage unit 201. If the length of the pin 301 does not match the length of the storage unit 201, i.e., the pin 301 is inserted into the wrong storage unit 201... If the key 302 is misplaced, the pin 301 will not be fixed after insertion and will pop out. This achieves the goal of one storage piece 201 corresponding to one pin 301, ensuring that the key 302 hooked on the pin 301 corresponds one-to-one with the initial number recorded on the storage piece 201. This avoids the situation where, when staff return the key 302, the key 302 corresponding to the storage piece 201 that was mistakenly inserted into the pin 301 is shown as returned on the main control display screen 402, but the key 302 that has been returned is still shown as not returned.

[0037] Specifically, each storage component 200 is equipped with a corresponding identification light 202. The key component 300 and the storage component 200 are connected by a corresponding plug-in 301 inserted into the storage component 201, which changes the internal circuit of the storage component 201, thereby changing the light of the identification light 202. The resulting electrical signal is received by the main control display screen 402, which records whether the corresponding key 302 on the storage component 201 has been taken out or returned. At the same time, by changing the light on the identification light 202, the storage component 201 with the borrowed key 302 and the storage component 201 without the borrowed key 302 display different colored lights, so that staff can quickly find the location of the corresponding storage component 201 when returning it.

[0038] It should be noted that cabinet door 401 is equipped with a smart lock, which can be unlocked by staff swiping their work badges. In addition, the smart lock has a mechanical keyhole, which can be used during power outages.

[0039] The storage component 201 includes a storage seat 201a disposed on the support plate 101, a storage groove 201a-1 opened on the storage seat 201a, an adjustment cavity 201a-2 opened on the inner wall of the storage groove 201a-1 and communicating with the storage groove 201a-1, an adjustment rod 201b disposed in the adjustment cavity 201a-2, and a tension spring 201c disposed on the adjustment rod 201b.

[0040] The adjusting rod 201b includes a crossbar 201b-3 rotatably mounted on the copper column 201e, a protruding rod 201b-4 provided at one end of the crossbar 201b-3, and a snap-fit ​​copper piece 201b-5 provided at the other end of the crossbar 201b-3.

[0041] In this embodiment, the adjusting rod 201b is made of conductive material, the crossbar 201b-3 and the protruding rod 201b-4 are both made of rigid material, while the snap-fit ​​copper piece 201b-5 is made of elastic material and is angled. The crossbar 201b-3, the protruding rod 201b-4, and the angled snap-fit ​​copper piece 201b-5 are arranged in a "{" shape. Both ends of the adjusting rod 201b are coated with insulating material to prevent leakage when the pin 301 is inserted. The adjusting rod 201b is rotatably installed in the adjusting cavity 201a-2 via the copper pillar 201e. One end of the tension spring 201c is fixedly connected to the inner wall of the adjusting cavity 201a-2, and the tension spring... The other end of 201c is fixedly connected to the top of the crossbar 201b-3 near the side of the snap-fit ​​copper sheet 201b-5. When the storage slot 201a-1 is not plugged in, the tension spring 201c pulls one end of the crossbar 201b-3 to rotate around the copper column 201e, so that one end of the protruding rod 201b-4 enters the storage slot 201a-1, while the snap-fit ​​copper sheet 201b-5 is completely retracted into the adjustment cavity 201a-2. After the plug 301 is inserted, the insertion end of the plug 301 pushes the protruding rod 201b-4, causing the adjustment rod 201b to rotate, so that the protruding rod 201b-4 is retracted into the adjustment cavity 201a-2.

[0042] Specifically, when the adjusting rod 201b is rotated and the protruding rod 201b-4 is pushed into the adjusting cavity 201a-2, the snap-fit ​​copper piece 201b-5 will first adhere to the side wall of the connector 301 and deform as the adjusting rod 201b rotates, until the end of the snap-fit ​​copper piece 201b-5 enters the snap-fit ​​area of ​​the connector 301. The deformed snap-fit ​​copper piece 201b-5 is inserted into the snap-fit ​​area to fix the connector 301.

[0043] Furthermore, when borrowing key 302, forcefully pull out connector 301 so that the snap-fit ​​copper piece 201b-5 deforms and disengages from the snap-fit ​​area of ​​connector 301.

[0044] The storage component 201 also includes a bottom block 204 and a push-out spring 205 disposed in the storage slot 201a-1, and a push rod 206 disposed on the side of the bottom block 204 away from the push-out spring 205 and movably penetrating through the inner wall of the storage slot 201a-1. The anti-weight component 203 includes a horizontal plate 203a disposed behind the storage seat 201a and fixedly installed on the cabinet 100. An adjusting push plate 203d is rotatably mounted on one end of the horizontal plate 203a, an adjusting bolt 203b is disposed on the other end of the horizontal plate 203a, and a reset spring 203c sleeved on the adjusting bolt 203b.

[0045] In this embodiment, the storage slot 201a-1 and the bottom block 204 are slidably matched. An anti-detachment block is provided at one end of the push rod 206 that passes through the storage slot 201a-1 to prevent the bottom block 204, the push spring 205, and the push rod 206 from falling out of the storage slot 201a-1. The horizontal plate 203a is elongated and fixedly installed behind the storage base 201a, with the horizontal plate 203a and the opposite side of the storage base 201a parallel. One end of the adjusting push plate 203d is rotatably connected to one end of the horizontal plate 203a, and the other end is connected to the adjusting bolt 203. Driven by b, the adjusting push plate 203d rotates and forms an angle with the horizontal plate 203a, that is, the adjusting push plate 203d is tilted. The tilted adjusting push plate 203d pushes the push rod 206 in the corresponding row of storage seats 201a, so that the push rod 206 in different positions enters the storage slot 201a-1 by different distances, that is, the bottom block 204 moves to different positions in the storage slot 201a-1, so that the insertion depth of the storage slot 201a-1 in the row of storage parts 201 is different.

[0046] Specifically, the two ends of the return spring 203c are fixedly connected to the horizontal plate 203a and the adjusting push plate 203d, respectively. In the initial state, the return spring 203c is in a contracted state, and its length is the same as the distance from the axis position of the adjusting push plate 203d to the horizontal plate 203a. That is, in the initial state, the adjusting push plate 203d and the horizontal plate 203a are parallel. Since the storage components 201 are arranged in a rectangular array, the included angle between each row of adjusting push plates 203d and the horizontal plate 203a is different.

[0047] A first power-connecting pin 201d is provided on one side of the storage base 201a, and a copper pillar 201e is provided at one end of the first power-connecting pin 201d, which extends through the side wall of the storage base 201a to the adjustment cavity 201a-2. The adjustment rod 201b and the copper pillar 201e are electrically rotatably connected.

[0048] The top of the storage base 201a is provided with a second power-on pin 201f and a third power-on pin 201g, and one end of the second power-on pin 201f and the third power-on pin 201g both extend through the storage base 201a to the top of the adjustment cavity 201a-2. The two ends of the adjustment rod 201b are respectively provided with a first connecting copper piece 201b-1 and a second connecting copper piece 201b-2. The first connecting copper piece 201b-1 and the second power-on pin 201f are electrically connected, and the second connecting copper piece 201b-2 and the third power-on pin 201g are electrically connected. The signboard 202 is provided with two LED beads, one red and one green. The second power-on pin 201f and the third power-on pin 201g are respectively connected to the red LED bead and the green LED bead.

[0049] In this embodiment, the main control display screen 402 is electrically connected to the first power-on pin 201d via a wire. The copper pillar 201e is electrically connected to the first power-on pin 201d, and the copper pillar 201e serves as a pivot, allowing the adjusting rod 201b to be rotatably mounted on the copper pillar 201e. The adjusting rod 201b and the copper pillar 201e are electrically conductive and connected. The first connecting copper piece 201b-1 and the second connecting copper piece 201b-2 are disposed on the adjusting rod 201b. When the adjusting rod 201b rotates, it can switch the connection between the first connecting copper piece 201b-1 and the second power-on pin 201f, as well as the connection between the second connecting copper piece 201b-2 and the third power-on pin 201g. The second power-on pin 201f is connected to the red LED in the signage light 202 via a wire, and the third power-on pin 201g is connected to the green LED in the signage light 202 via a wire.

[0050] Specifically, when key 302 is borrowed, pin 301 is pulled out of storage slot 201a-1, and tension spring 201c drives adjusting rod 201b to rotate, thereby causing first connecting copper plate 201b-1 to press against second power pin 201f, and causing second connecting copper plate 201b-2 and third power pin 201g to separate. At this time, the red light column connected to the second power pin 201f in the sign 202 will light up, and the green light connected to the third power pin 201g will turn off. When key 302 is returned, adjusting rod 201b rotates, causing first connecting copper plate 201b-1 and second power pin 201f to separate, and second connecting copper plate 201b-2 and third power pin 201g to fit together. At this time, the red light in sign 202 turns off and the green light lights up.

[0051] It should be noted that when the adjusting rod 201b rotates, the first connecting copper piece 201b-1 deforms when it makes contact and conducts electricity with the second power-connecting pin 201f. Similarly, the second connecting copper piece 201b-2 deforms when it makes contact and conducts electricity with the third power-connecting pin 201g. By making contact through the deformation of the first connecting copper piece 201b-1 and the second connecting copper piece 201b-2, the occurrence of poor contact is reduced.

[0052] Example 2, refer to Figures 1 to 8This is the second embodiment of the present invention. Unlike the previous embodiment, this embodiment provides a smart key cabinet latch 301, which includes a hand lever 301a, a connecting rod 301a-1 disposed at one end of the hand lever 301a, a movable sleeve 301b sleeved on the connecting rod 301a-1 and a compression spring 301c, a slot 301b-1 opened on the movable sleeve 301b, and a lifting cylinder 301d threadedly connected to the end of the connecting rod 301a-1 away from the hand lever 301a. The movable sleeve 301b is provided with a ring array of limiting posts 301b-2 on the side near the lifting cylinder 301d, and the lifting cylinder 301d is provided with a ring array of limiting grooves 301d-1 on the side near the movable sleeve 301b. The limiting posts 301b-2 and the limiting grooves 301d-1 are matched and inserted.

[0053] In this embodiment, the pin 301 is made of insulating material to avoid electric shock during insertion. The connecting rod 301a-1 is a cylinder with a diameter smaller than that of the handheld rod 301a, and the end of the circumferential sidewall of the cylinder away from the handheld rod 301a is provided with a connecting thread. The center of the lifting cylinder 301d is provided with a matching threaded groove. The movable sleeve 301b is fitted onto the smooth section of the connecting rod 301a-1. The elastic force of the compression spring 301c pushes the movable sleeve 301b to fit against the handheld rod 301a. The maximum distance between the lifting cylinder 301d and the movable sleeve 301b is less than the distance between the two ends of the adjusting rod 201b, thereby preventing the copper plate 201b-5 from rotating and locking into the gap between the lifting cylinder 301d and the movable sleeve 301b when the lifting cylinder 301d pushes the protruding rod 201b-4 to retract.

[0054] Specifically, the distance between the lifting cylinder 301d and the movable sleeve 301b is adjusted according to the depth of the corresponding storage slot 201a-1. After the pin 301 is inserted into the storage slot 201a-1, the lifting cylinder 301d first lifts the protruding rod 201b-4, causing the adjusting rod 201b to rotate. Then, the locking copper piece 201b-5 at the other end rotates and fits against the side wall of the movable sleeve 301b, causing deformation. When the end of the locking copper piece 201b-5 reaches the position of the slot 301b-1, the deformation of the locking copper piece 201b-5 returns to an angle and matches and engages with the slot 301b-1, thereby fixing the pin 301 and completing the return of the key 302.

[0055] In this case, the spring force of the compression spring 301c is greater than that of the ejection spring 205. If the spring force of the compression spring 301c is less than that of the ejection spring 205, the spring force of the ejection spring 205 will push the pin 301 outward. Then, the locking copper piece 201b-5 will drive the movable sleeve 301b to move on the connecting rod 301a-1. When the cylinder 301d on the pin 301 moves outward beyond the protruding rod 201b-4, the tension spring 201c pulls the adjusting rod 201b to rotate, thereby causing the protruding rod 201b-4 to enter the storage groove 201a-1, and the locking copper piece 201b-5 to retract into the adjusting cavity 201a-2, causing the locking between the locking copper piece 201b-5 and the groove 301b-1 to fail, which will cause the pin 301 to be easily ejected.

[0056] Furthermore, by matching and inserting the limiting post 301b-2 and the limiting groove 301d-1, the rotation of the movable sleeve 301b is avoided, so that when the pin 301 is inserted, the slot 301b-1 can quickly correspond to and engage the copper sheet 201b-5.

[0057] It should be noted that although one storage component 201 corresponds to one latch component 301, the internal structures of different storage components 201 and different latch components 301 are the same. The storage component 201 is distinguished by changing the depth of the internal storage groove 201a-1 through the anti-weight component 203. The latch component 301 is connected to the connecting rod 301a-1 and the lifting cylinder 301d by a threaded connection. The distance between the lifting cylinder 301d and the slot 301b-1 is adjusted to fit the storage component 201. At the same time, after the key 302 is lost and re-duplicated, an idle latch component 301 can be directly selected and paired with the storage component 201 by adjustment.

[0058] Furthermore, if the distance between the lifting cylinder 301d and the slot 301b-1 is not compatible, then when the pin 301 is inserted into the storage slot 201a-1 and the push-out spring 205 is compressed to its shortest length, the pin 301 cannot be inserted further inward. At this time, the copper plate 201b-5 that needs to be engaged cannot be fixed to the slot 301b-1, thereby causing the pin 301 to be ejected by the push-out spring 205.

[0059] The movable sleeve 301b has a toothed groove 301b-3 at the end away from the limiting post 301b-2, and the hand handle 301a has a toothed block 301a-2 that matches the toothed groove 301b-3 on the side near the movable sleeve 301b.

[0060] In this embodiment, under normal conditions, the compression spring 301c pushes the movable sleeve 301b to fit against the handheld rod 301a. Under the cooperation of the toothed block 301a-2 and the toothed groove 301b-3, the lifting cylinder 301d and the handheld rod 301a cannot be threadedly adjusted through the connecting rod 301a-1. This avoids the lifting cylinder 301d and the handheld rod 301a from rotating due to friction or misoperation during the use of the key 302 after it has been lent out, thus preventing the distance between the lifting cylinder 301d and the slot 301b-1 from changing.

[0061] Specifically, when it is necessary to adjust the distance between the lifting cylinder 301d and the slot 301b-1, the movable sleeve 301b needs to be moved towards the lifting cylinder 301d, and then the hand lever 301a is rotated. The distance between the lifting cylinder 301d and the hand lever 301a is adjusted through the threaded connection of the connecting rod 301a-1. After the adjustment is completed, the movable sleeve 301b is released, so that the movable sleeve 301b is reset by the compression spring 301c.

[0062] The inner wall of the storage slot 201a-1 is provided with a positioning slot 201a-3, and the circumferential side wall of the lifting cylinder 301d is symmetrically provided with positioning blocks 301d-2, and the positioning blocks 301d-2 and the positioning slot 201a-3 are slidably matched.

[0063] In this embodiment, the positioning groove 201a-3 is symmetrically opened on the inner wall of the storage groove 201a-1. The cylinder 301d is slidably matched with the positioning block 301d-2 set on the side wall and the positioning groove 201a-3. When the pin 301 is inserted, it is slidably matched with the positioning block 301d-2 and the positioning groove 201a-3, so that the slot 301b-1 on the movable sleeve 301b is always aligned with the copper piece 201b-5 on the adjusting rod 201b.

[0064] The rest of the structure is the same as in Example 1.

[0065] It should be noted in this invention that there are two situations in which the key 302 is returned to the wrong position:

[0066] One of the longer pins 301 is inserted into the shallower storage slot 201a-1. When the pin 301 extends to the bottom of the storage slot 201a-1, the snap-fit ​​copper piece 201b-5 on the adjusting rod 201b abuts against the side wall of the movable sleeve 301b and does not reach the position of the slot 301b-1, so it will be popped out.

[0067] Secondly, the shorter pin 301 is inserted into the deeper storage slot 201a-1. In order to eject the pin 301, when adjusting the depth of the storage slot 201a-1, the anti-weight component 203 needs to ensure that the length from the slot 301b-1 on the pin 301 corresponding to the depth of the adjacent storage slot 201a-1 to the end of the lifting cylinder 301d is greater than the body of one slot 301b-1. That is, when the matching pin 301 is inserted, the adjusting rod 201 The snap-fit ​​copper piece 201b-5 on b initially contacts the side wall of the movable sleeve 301b in front of the slot 301b-1 (near the circumferential side wall of the lifting cylinder 301d). When the short pin 301 is inserted into the deep storage slot 201a-1, the lifting cylinder 301d pushes the adjusting rod 201b to rotate. The snap-fit ​​copper piece 201b-5 on the adjusting rod 201b initially contacts the side wall of the movable sleeve 301b behind the slot 301b-1.

[0068] Example 3, referring to Figures 1 to 8 This is the third embodiment of the present invention. Unlike the previous embodiment, this embodiment provides a smart key cabinet control method applied to the smart key cabinet described above. It includes a key 302 for lending. The administrator swipes the borrower's ID card on the card reader 403 on the cabinet surface. The system automatically determines whether the borrower has borrowing privileges. If privileges are granted, the cabinet door 401 is unlocked, the latch 301 is pulled out of the storage seat 201a, and the required key 302 is retrieved. After the latch 301 is pulled out, the tension spring 201c drives the adjusting rod 201b to rotate, causing the second connecting copper plate 201b-2 and the third power pin 201g to disconnect, and the first connecting copper plate 201b-1 to adhere to the second power pin 201f, thereby causing the indicator light on the sign 202 to change from green to red. The system automatically records the borrower's information and records the name of the borrowed key 302 and the borrowing time according to the changes in the circuit. At the same time, it displays the borrower's information, key 302 name, and borrowing time of the borrowed and unreturned key 302 on the main control display screen 402. When the key 302 is returned, the manager swipes their work card to open the cabinet door and inserts the latch 301 into the corresponding storage seat 201a inside the cabinet. If the latch 301 is inserted into the wrong storage seat 201a, the latch 301 cannot be fixed and will be pushed out by the spring 205. After the key is returned, the latch 301 is fixed by rotating the adjusting rod 201b. At the same time, the internal circuit connection is switched, so that the indicator light of the sign 202 changes from red to green. The system automatically updates the key 302 return status according to the electrical signal.

[0069] The rest of the structure is the same as in Example 2.

[0070] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A smart key cabinet, characterized in that: include, The cabinet (100) includes a support plate (101) and a shelf (102) disposed within the cabinet (100), and a storage assembly (200) arranged in a rectangular array on the support plate (101); The storage assembly (200) includes a storage component (201) disposed on the support plate (101), an identification light sign (202) disposed above the storage component (201) and electrically connected to the storage component (201), and an anti-weight component (203) disposed behind the storage component (201) and matched with the storage component (201); The key assembly (300) includes a pin (301) that mates with the storage piece (201), and a key (302) and a nameplate (303) connected together by a ring; The cabinet door assembly (400) includes a cabinet door (401) rotatably connected to the cabinet body (100), and the cabinet door (401) is provided with a main control display screen (402) and a card reader (403).

2. The smart key cabinet as described in claim 1, characterized in that: The storage component (201) includes a storage seat (201a) disposed on the support plate (101), a storage groove (201a-1) opened on the storage seat (201a), an adjustment cavity (201a-2) opened on the inner wall of the storage groove (201a-1) and communicating with the storage groove (201a-1), an adjustment rod (201b) disposed in the adjustment cavity (201a-2), and a tension spring (201c) disposed on the adjustment rod (201b).

3. The smart key cabinet as described in claim 2, characterized in that: The storage component (201) further includes a bottom block (204) and a push spring (205) disposed in the storage groove (201a-1), and a push rod (206) disposed on the side of the bottom block (204) away from the push spring (205) and movably penetrating through the inner wall of the storage groove (201a-1); The anti-weight component (203) includes a horizontal plate (203a) located behind the storage seat (201a) and fixedly installed on the cabinet (100). One end of the horizontal plate (203a) is rotatably mounted with an adjusting push plate (203d), an adjusting bolt (203b) located at the other end of the horizontal plate (203a), and a return spring (203c) sleeved on the adjusting bolt (203b).

4. The smart key cabinet as described in claim 3, characterized in that: The storage base (201a) is provided with a first power-connecting pin (201d) on one side, and a copper pillar (201e) is provided at one end of the first power-connecting pin (201d) extending through the side wall of the storage base (201a) into the adjustment cavity (201a-2). The adjustment rod (201b) and the copper pillar (201e) are electrically rotatably connected.

5. The smart key cabinet as described in claim 4, characterized in that: The top of the storage base (201a) is provided with a second power-connecting pin (201f) and a third power-connecting pin (201g), and one end of the second power-connecting pin (201f) and the third power-connecting pin (201g) both extend through the storage base (201a) to the top of the adjustment cavity (201a-2); The adjusting rod (201b) is provided with a first connecting copper piece (201b-1) and a second connecting copper piece (201b-2) at both ends, the first connecting copper piece (201b-1) and the second power-connecting pin (201f) are electrically connected, and the second connecting copper piece (201b-2) and the third power-connecting pin (201g) are electrically connected. The signboard (202) is equipped with two LEDs, one red and one green. The second power pin (201f) and the third power pin (201g) are connected to the red LED and the green LED, respectively.

6. The smart key cabinet as described in claim 4 or 5, characterized in that: The adjusting rod (201b) includes a crossbar (201b-3) rotatably mounted on the copper column (201e), a protruding rod (201b-4) provided at one end of the crossbar (201b-3), and a snap-fit ​​copper piece (201b-5) provided at the other end of the crossbar (201b-3).

7. The smart key cabinet as described in claim 6, characterized in that: The pin component (301) includes a hand handle (301a), a connecting rod (301a-1) disposed at one end of the hand handle (301a), a movable sleeve (301b) and a compression spring (301c) sleeved on the connecting rod (301a-1), a slot (301b-1) formed on the movable sleeve (301b), and a lifting cylinder (301d) threadedly connected to the end of the connecting rod (301a-1) away from the hand handle (301a); The movable sleeve (301b) is provided with limit posts (301b-2) in a ring array on the side near the lifting cylinder (301d), and the lifting cylinder (301d) is provided with limit grooves (301d-1) in a ring array on the side near the movable sleeve (301b), and the limit posts (301b-2) and limit grooves (301d-1) are matched and inserted.

8. The smart key cabinet as described in claim 7, characterized in that: The movable sleeve (301b) has a toothed groove (301b-3) at one end away from the limiting post (301b-2), and the hand handle (301a) has a toothed block (301a-2) matching the toothed groove (301b-3) on the side near the movable sleeve (301b).

9. The smart key cabinet as described in claim 8, characterized in that: The inner wall of the storage slot (201a-1) is provided with a positioning slot (201a-3); The circumferential sidewall of the lifting cylinder (301d) is symmetrically provided with positioning blocks (301d-2), and the positioning blocks (301d-2) and the positioning grooves (201a-3) are slidably matched.

10. A method for controlling an intelligent key cabinet, characterized in that: The smart key cabinet described in any one of claims 1 to 9 includes, When a key (302) is lent out, the manager uses the borrower's ID card to swipe the card reader (403) on the counter, and the system automatically determines whether the borrower has the right to borrow the key. If authorized, unlock the cabinet door (401), pull the latch (301) out of the storage seat (201a), and take out the key (302) that needs to be borrowed; When the pin (301) is pulled out, the tension spring (201c) drives the adjusting rod (201b) to rotate, causing the second connecting copper piece (201b-2) and the third power pin (201g) to disconnect, and the first connecting copper piece (201b-1) to adhere to the second power pin (201f), thereby causing the indicator light of the signboard (202) to change from green to red. The system automatically records the borrower's information and records the name of the key (302) borrowed and the time of borrowing based on changes in the circuit. At the same time, the borrower's information, key name, and borrowing time of the key (302) that has been lent out and not returned will be displayed on the main control display screen (402); The key (302) is returned, the manager swipes his employee ID to open the cabinet door, and inserts the latch (301) into the corresponding storage seat (201a) inside the cabinet; If the pin (301) is incorrectly inserted into the returned storage seat (201a), the pin (301) will not be secured and will be pushed out by the push-out spring (205); After being returned, the pin (301) is fixed by rotating the adjusting rod (201b), and the connection of the internal circuit is switched so that the indicator light of the sign (202) changes from red to green. The system automatically updates the return status of the key (302) based on the electrical signal.

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