CN211956579U - Expandable key management machine - Google Patents
Expandable key management machine Download PDFInfo
- Publication number
- CN211956579U CN211956579U CN202020567516.5U CN202020567516U CN211956579U CN 211956579 U CN211956579 U CN 211956579U CN 202020567516 U CN202020567516 U CN 202020567516U CN 211956579 U CN211956579 U CN 211956579U
- Authority
- CN
- China
- Prior art keywords
- key
- slave
- master
- board
- machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model is suitable for a key management technical field provides an expanded key management machine, and this key management machine includes: the key management host comprises a host box body, a master control board, a host box door lock, a host door control module and at least one host key detection board, wherein the master control board, the host box door lock, the host door control module and the at least one host key detection board are arranged in the host box body, the key management slave comprises a slave box body, a slave box door lock, a slave door control module and at least one slave key detection board, the slave box door lock, the slave door control module and the at least one slave key detection board are arranged in the slave box body, the master control board comprises a master control CPU, a host card reading module and a master control board bus interface, the host card reading module and the master control board bus interface are connected with the. The utility model provides an expanded key management machine has reduced construction initial stage hardware cost, has simplified key management machine's later stage extension process, has improved extension efficiency.
Description
Technical Field
The invention belongs to the technical field of key management, and particularly relates to an extensible key management machine.
Background
In the field of electric power mistake prevention, along with the improvement of people to electric power safety consciousness, the use scene of preventing mistake unblock key is more and more extensive, simultaneously, the key quantity that needs the management and control is also more and more. In order to manage a plurality of keys conveniently, the key management functions of the products on the market are mainly classified into two types, one type is a key management cabinet for highly centralized management of keys, although the key management cabinet can be expanded, the initial cost is usually high even if the number of keys is small, and the other type is a key management machine which is limited in the number of management keys and can not be expanded.
Disclosure of Invention
An object of the utility model is to provide an extensible key management machine aims at solving the complicated and extension efficiency low of current key management machine capacity expansion process, problem with high costs.
The technical scheme of the utility model is that: an extensible key management machine comprises a key management host machine and a key management slave machine, wherein the key management host machine comprises a host machine box body, and a master control board, a host machine box door lock, a host machine door control module and at least one host machine key detection board which are arranged in the host machine box body, one end of the host machine door control module is connected with the host machine box door lock, the other end of the host machine door control module is connected with any host machine key detection board, the key management slave machine comprises a slave machine box body, a slave machine box door lock, a slave machine door control module and at least one slave machine key detection board which are arranged in the slave machine box body, one end of the slave machine door control module is connected with the slave machine box door lock, the other end of the slave machine door control module is connected with any slave machine key detection board, the master control board comprises a master control CPU, a host machine card reading module, And the master control board, the host key detection board and the slave key detection board are connected through a bus.
Preferably, at most 2 master key detection plates are arranged in the master box body, at most 3 slave key detection plates are arranged in the slave box body, and 4 key seats for storing keys are arranged in the master key detection plate and the slave key detection plates.
Preferably, the main control board further comprises a keyboard connected with the main control CPU.
Preferably, the main control board further comprises a display module connected with the main control CPU.
Preferably, the main control board further includes an ethernet interface and/or a mobile communication module connected to the main control CPU.
Preferably, the main control board further comprises a buzzer connected with the main control CPU.
Preferably, the master key detection board and the slave key detection board further include a sensing module connected to the detection board CPU for sensing a key storage state.
Preferably, the master key detection board and the slave key detection board further comprise an indicator light connected with the detection board CPU and used for indicating a user to access a key position.
Preferably, the master door control module and the slave door control module both include a door control circuit for controlling unlocking or locking of the master door lock or the slave door lock, and a door detection circuit for detecting an unlocking state of the master door lock or the slave door lock.
Preferably, the master control board bus interface and the detection board bus interface are both CAN bus interfaces.
The utility model provides an extensible key management machine includes key management host computer and key management from the machine, the key management host computer includes the host computer box, and set up the master control board in the host computer box, host computer case lock, host computer gate module and an at least host computer key detection board, the one end and the host computer case lock of host computer gate module are connected, the other end is connected with arbitrary host computer key detection board, the key management is from the machine including from the machine box, and set up in following the machine box in from the machine box lock, from machine gate module and an at least one from machine key detection board, from the one end of machine gate module with from the machine box lock connection, the other end is connected with arbitrary machine key detection board, the master control board includes main control CPU, and host computer card reading module and master control board bus interface who is connected with main control, And the master control board, the master machine key detection board and the slave machine key detection board are connected through a bus. The utility model provides an expanded key management machine construction initial stage hardware cost is lower to when guaranteeing key management host computer managerial function, simplified the later stage extension process of key management machine, improved the later stage extension efficiency of key management machine.
Drawings
Fig. 1 is a schematic plan view of a key management host in an extensible key management machine according to an embodiment of the present invention;
fig. 2 is a schematic plan view of a key management slave in an expandable key management machine according to an embodiment of the present invention;
fig. 3 is a schematic plan view of a main control board in the expandable key management machine according to an embodiment of the present invention;
fig. 4 is a schematic plan view of a key detecting plate in an expandable key management machine according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a gate control circuit in a master gate control module and a slave gate control module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a gate detection circuit in a master gate control module and a slave gate control module according to an embodiment of the present invention;
fig. 7 is an exemplary diagram of a system framework of an expandable key management machine according to an embodiment of the present invention;
fig. 8 is a flowchart of a key management machine state detection method according to an embodiment of the present invention;
and
fig. 9 is a flowchart of a key management machine control method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed, installed, connected, or indirectly disposed and connected through intervening components and intervening structures.
In addition, in the embodiments of the present invention, if there are orientations or positional relationships indicated by "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., based on the orientations or positional relationships shown in the drawings or the conventional placement state or use state, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated structure, feature, device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.
As shown in fig. 1 to 4, wherein fig. 1 and 2 omit the upper covers of the master cabinet and the slave cabinet, respectively, an embodiment of the present invention provides an expandable key management machine, which includes a key management master 1 and a key management slave 2, the key management master 1 includes a master cabinet 10, a master control board 11, a master cabinet door lock 12, a master door control module and at least one master key detection board 13, the master control board 11, the master cabinet door lock 12, the master door control module and the master key detection board 13 are all disposed in the master cabinet 10, one end of the master door control module is connected to the master cabinet door lock 12, the other end is connected to any master key detection board 13, the key management slave 2 includes a slave cabinet 20, a slave cabinet door lock 21, a slave door control module and at least one slave key detection board 22, the slave cabinet door lock 21, the slave door control module and the slave key detection board 22 are all disposed in the slave cabinet 20, one end of the slave door control module is connected with the slave box door lock 21, the other end of the slave door control module is connected with any slave key detection board 22, the master control board 11 comprises a master control CPU110, a master card reading module 111 and a master control board bus interface 112, the master card reading module 111 and the master control board bus interface 112 are both connected with the master control CPU110, the master key detection board 13 and the slave key detection board 22 both comprise detection boards CPU120, a detection board bus interface 121, an address coding module 122 and a door control communication interface 123, the bus interface 121, the address coding module 122 and the door control communication interface 123 are all connected with the detection boards CPU120, and the master control board 11, the master key detection board 13 and the slave key detection board 22.
The master gating module is used for detecting the unlocking state of the master box door lock 12 and controlling the unlocking or locking of the master box door lock 12, the slave gating module is used for detecting and controlling the unlocking state of the slave box door lock 21 and controlling the unlocking or locking of the slave box door lock 12, the address coding module 122 of the master key detection board 13 is used for setting the address of the master key detection board 13, the address coding module 122 of the slave key detection board 22 is used for setting the address of the slave key detection board 22, the gating communication interface 123 of the master key detection board 13 is used for communication between the detection board CPU120 of the master key detection board 13 and the master gating module, the gating communication interface 123 of the slave key detection board 22 is used for communication between the CPU detection board 120 of the slave key detection board 22 and the slave gating module, and the master card reading module 111 is used for reading the identity information, the master CPU110 is used for processing information read by the host card reading module 111, for sending door control commands and door status detection requests to the detector board CPU120, and for processing door status information returned by the detector board CPU120, the detection board CPU120 is configured to analyze a gate control command and a gate state detection request sent by the main control CPU110, determine a connection state of the detection board CPU120 with the master gate control module or the slave gate control module, respond to a gate state when determining that the detection board CPU120 is in the connection state with the master gate control module or the slave gate control module, the detection board CPU120 is further configured to receive the door state information returned by the master door control module or the slave door control module, send the received door state information to the master CPU110, and send a door control signal to the master door control module or the slave door control module to control the unlocking or locking of the master cabinet door lock 12 or the slave cabinet door lock 21.
Preferably, 2 master key detection plates are arranged in the master box body at most, 3 slave key detection plates are arranged in the slave box body at most, and 4 key seats for storing keys are arranged in the master key detection plate and the slave key detection plates so as to meet small-scale key management.
Preferably, the main control board 11 further includes a keyboard 113 connected to the main control CPU110 to facilitate human-computer interaction, and the main control CPU110 is further configured to process human-computer interaction data obtained through the keyboard 113.
Preferably, the main control board 11 further includes a display module 114 connected to the main control CPU110, the main control CPU110 is further configured to control the display module 114 to display, the display module 114 is configured to display an online state of the key management slave 2 and display an unlocking state of the main cabinet door lock 12 and the slave cabinet door lock 21, the display module 114 is further configured to display an online state of the master key detection board 13 and the slave key detection board 22, and/or abnormal information of the key management master 1 and the key management slave 2, and/or abnormal information of the master key detection board 13 and the slave key detection board 22, and/or human-computer interaction information, where the abnormal information may include power failure, bus release, key expansion box fault or signal interference, etc., so as to facilitate a maintenance person to quickly troubleshoot the fault. The display module 114 includes a display screen, and further, the display module 114 includes an indicator light.
Preferably, the display module 114 is a touch display screen, and the display screen is also used for human-computer interaction, so as to further enhance human-computer interaction experience.
Preferably, the main control board 11 further includes an ethernet interface 115 connected to the main control CPU110, so as to facilitate the communication between the computer management side and the extensible key management machine. The computer management end is used for completing network authorization operation, software upgrading operation and parameter setting operation of the extensible key management machine through the external network interface.
Preferably, the main control board 11 further includes a mobile communication module 116 connected to the main control CPU110 to facilitate the mobile terminal to communicate with the extensible key manager. The mobile communication module 116 may be a 3G, 4G or 5G module, and the mobile terminal is configured to complete an application program (APP) authorization operation and/or a short message authorization operation on the extensible key management machine through the mobile communication module, and is further configured to complete a network authorization operation, a software upgrade operation and a parameter setting operation on the extensible key management machine through the mobile communication module 116.
Preferably, the main control board 11 further includes a bluetooth module or a WiFi module connected to the main control CPU110 so as to provide various ways to communicate with the mobile terminal.
Preferably, the main control board 11 further includes a buzzer connected to the main control CPU110, so as to prompt the abnormal information in time. When the state of the key management slave 2 is abnormal, the main control CPU110 is further configured to control the buzzer to sound, further, the main control board 11 further includes a warning light connected to the main control CPU110, when abnormal information occurs, the main control CPU110 is further configured to control the warning light to flash, and further, when abnormal information occurs, the main control CPU110 is further configured to send alarm information to the computer management terminal and/or the mobile terminal.
Preferably, the master key detection board 13 and the slave key detection board 22 further include sensing modules connected to the detection board CPU120 for sensing the key storage status, so that the key management master 1 can timely acquire the key status. The sensing module may be a radio frequency sensing module, a pressure sensing module, or a gravity sensing module, the detection board CPU120 is further configured to send the key storage state obtained by the sensing module to the main control CPU110, and the main control CPU110 is further configured to control the display module 114 to display the key storage state.
The master key detection board 13 and the slave key detection board 22 preferably further include indicator lights connected to the detection board CPU120 for indicating a user access key position (a key holder position corresponding to a key to be accessed), so that the user can quickly locate the key access position. The number of the indicator lamps is consistent with that of the key seats, the indicator lamps are located near the key seats, when the detection board CPU120 receives a key access request, the detection board CPU120 is used for controlling the indicator lamps of the key positions corresponding to the key access request to be turned on, and when one key position is abnormally operated or fails, the main control CPU110 is further used for controlling the display module 114 to display fault information so that maintenance personnel can rapidly troubleshoot the fault.
Preferably, as shown in fig. 5 and 6, each of the master door control module and the slave door control module includes a door control circuit (fig. 5) for controlling unlocking or locking of the master door lock 12 or the slave door lock 21, and a door detection circuit (fig. 6) for detecting an unlocking state of the master door lock 12 or the slave door lock 21, and when the door control circuit receives a door control signal transmitted from the detection board CPU120 through the door control communication interface 123, the door control signal is output to the master door lock 12 or the slave door lock 21 through a first optical coupler (U10), a first resistor (R31) and a first PNP triode (Q1) in the door control circuit to control unlocking or locking of the master door lock 12 or the slave door lock 21, and when the door detection circuit receives a signal of a change in the door state transmitted from the master door lock 12 or the slave door lock 21, the door detection circuit outputs a second resistor (R36) in the door detection circuit to control unlocking or locking of the master door, The second PNP triode (Q2), the second resistor (R34) and the second optocoupler (U13) are output to the gate control communication interface 123 of the board CPU120, so that the board CPU120 can acquire the gate states of the master box door lock 12 and the slave box door lock 21 in time.
Specifically, the master control board bus interface 112 and the detection board bus interface 121 connected to the master control CPU are both RS485 bus interfaces or CAN bus interfaces, and preferably, the master control board bus interface 112 and the detection board bus interface 121 connected to the master control CPU are both CAN bus interfaces, so as to improve the real-time performance and reliability of communication between the key management master 1 and the key management slave 2.
As shown in fig. 7, an embodiment of the present invention provides a system framework diagram of an extensible key management machine, which includes a computer management terminal, a mobile terminal, a key management host 1 and a plurality of key management slave computers 2. Wherein, the number of the key management slave machines 2 can be flexibly increased according to actual needs.
As shown in fig. 8, an embodiment of the present invention further provides a method for detecting a state of a key management machine, which is used for the expandable key management machine, and includes the following steps:
s10, the main control CPU110 sends a door state detection request according to a preset time interval;
s11, the CPU120 of the detection board judges whether the connection with the door control module is carried out, if the connection is carried out, the step S12 is executed, otherwise, the step S13 is executed;
s12, detecting board CPU120 responding door detection command;
s13, judging whether the preset response time length is exceeded, if so, executing a step S14, and if not, jumping to a step S10;
and S14, returning abnormal information.
Specifically, the master CPU110 sends a door state detection request to the bus at regular time (for example, every 2 seconds), all the detection board CPUs 120 receive and analyze the door state detection request, each of the master key detection board 13 and the detection board CPU120 of the slave key detection board 22 detects whether the detection board CPU120 is connected to the door control module, and if so, responds to the door detection command, and the responded information includes address coding information of the key management slave 2, an online state of the key management slave 2, and an unlocking state of the slave cabinet door lock 21, and preferably, the responded information may further include a key state acquired by the sensing modules on the master key detection board 13 and the slave key detection board 22. After the main control CPU110 receives the response information, the main control CPU110 analyzes the response information and records the analyzed information. Preferably, after the main CPU receives the responded information, the main CPU110 may control the display module 114 connected to the main CPU110 to display the analyzed responded information and abnormal information, further, the main CPU110 may control one or more of the display module 114, the PC management terminal, or the mobile terminal connected to the main CPU110 to display the analyzed responded information and/or the key status, and further, the main CPU110 may control one or more of the display module 114, the warning light, the buzzer, the PC management terminal, or the mobile terminal connected to the main CPU110 to respond to the abnormal information.
As shown in fig. 9, an embodiment of the present invention further provides a key management machine control method for the expandable key management machine, including the following steps:
s20, when receiving the key access request, the master CPU110 determines corresponding address information according to the key information in the key access request, where the address information is address information of the key management master 1 or address information of the key management slave 2;
s21, the main control CPU110 generates a door control command according to the address information and sends the door control command;
s22, all board CPUs 120 receive a door control command;
s23, each detection board judges whether the address information corresponding to the door control command is the same as the address information corresponding to the CPU of the detection board and the CPU120 of the detection board is connected with the door control module, if so, the step S24 is executed, otherwise, the operation is not executed;
and S24, the detection board CPU120 controls the unlocking of the main case door lock 12 or the sub case door lock 21 connected with the door control module through the door control module.
Specifically, when a user needs to take or store a key, the on-site or remote authorization of the user is acquired, and key information is acquired to generate a key storage request, the authorization process and the key information acquisition process can be completed through the host card reading module 111, preferably, the authorization process and the key information acquisition process can be completed through one or more of the keyboard 113 connected to the master CPU110, the host card reading module 111, the display module 114 with a touch function, the computer management terminal or the mobile terminal, after the master CPU110 sends a door control command to the bus through the master board bus interface 112, all the host key detection boards 13 and the CPU detection boards 120 of the slave key detection boards 22 connected to the bus receive the door control command through the detection board bus interface 121, and the box door lock detection boards 120 corresponding to the address information in the door control command and connected to the door control module control the door lock connected to the door control module through the door control module by the door control module 12 or the slave cabinet door lock 21, and preferably, the detection board CPU120 corresponding to the address information in the door control command and connected to the door control module controls the indicator lamp corresponding to the key information to be turned on to indicate the key seat position corresponding to the key to be taken or stored by the user. After the main cabinet door lock 12 or the sub-cabinet door lock 21 is unlocked, the main control CPU110 preferably controls the display module 114 to update the cabinet door lock status in time.
After the key is accessed, the door is closed, specifically, the closing of the door may be completed by an operator, preferably, the main control CPU110 starts timing from sending a door control command, and if a preset door closing time threshold is exceeded and it is detected that the main cabinet door lock 12 or the sub-cabinet door lock 21 is still in an unlocked state, the main control CPU110 controls one or more of a display module 114, a warning light, a buzzer, a PC management terminal or a mobile terminal connected to the main control CPU110 to respond to the abnormal information.
The utility model provides an extensible key management machine includes key management host computer 1 and key management from machine 2, key management host computer 1 includes host computer box 10, set up the master control board 11 in host computer box 10, host computer box lock 12, host computer gate control module and at least one host computer key detecting plate 13, one end of host computer gate control module is connected with host computer box lock 12, the other end is connected with any host computer key detecting plate 13, key management from machine 2 includes from machine box 20, set up from machine box lock 21, from machine gate control module and at least one from machine key detecting plate 22 in from machine box 20, from one end of machine gate control module and from machine box lock 21 connection, the other end is connected with any from machine key detecting plate 22, master control board 11 includes master control CPU110, host computer card reading module 111 and master control board bus interface 112 all are connected with master control CPU110, the master key detection board 13 and the slave key detection board 22 respectively comprise a detection board CPU120, a detection board bus interface 121, an address coding module 122 and a gate control communication interface 123, the bus interface 121, the address coding module 122 and the gate control communication interface 123 are all connected with the detection board CPU120, and the master control board 11, the master key detection board 13 and the slave key detection board 22 are connected through a bus. The utility model provides an expanded key management machine construction initial stage hardware cost is lower to when guaranteeing key management host computer managerial function, simplified the later stage extension process of key management machine, improved the later stage extension efficiency of key management machine.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An expandable key management machine is characterized by comprising a key management host machine and a key management slave machine, wherein the key management host machine comprises a host machine box body, and a master control board, a host machine box door lock, a host machine door control module and at least one host machine key detection board which are arranged in the host machine box body, one end of the host machine door control module is connected with the host machine box door lock, the other end of the host machine door control module is connected with any host machine key detection board, the key management slave machine comprises a slave machine box body, a slave machine box door lock, a slave machine door control module and at least one slave machine key detection board which are arranged in the slave machine box body, one end of the slave machine door control module is connected with the slave machine box door lock, the other end of the slave machine door control module is connected with any slave machine key detection board, the master control, the master control board, the master key detection board and the slave key detection board are connected through buses.
2. The expandable key management machine of claim 1, wherein no more than 2 of said master key detection plates are provided in said master housing, no more than 3 of said slave key detection plates are provided in said slave housing, and 4 key holders for storing keys are provided in each of said master key detection plate and said slave key detection plates.
3. The extensible key manager of claim 1, wherein the master control board further comprises a keyboard connected to the master CPU.
4. The extensible key manager of claim 1, wherein the master control board further comprises a display module connected to the master CPU.
5. The extensible key manager of claim 1, wherein the master control board further comprises an ethernet interface and/or a mobile communication module connected to the master CPU.
6. The extensible key manager of claim 1, wherein the master control board further comprises a buzzer connected to the master CPU.
7. The expandable key management machine of claim 1, wherein the master key detection board and the slave key detection board further comprise a sensing module connected to the detection board CPU for sensing a key storage status.
8. The expandable key manager of claim 1, wherein said master key detector board and said slave key detector board further comprise indicator lights coupled to said detector board CPU for indicating access to key bits by a user.
9. The extensible key management machine of claim 1, wherein the master door control module and the slave door control module each include a door control circuit for controlling unlocking or locking of the master door lock or the slave door lock, and a door detection circuit for detecting an unlocked state of the master door lock or the slave door lock.
10. The extensible key manager of claim 1, wherein the master control board bus interface and the sense board bus interface are both CAN bus interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020567516.5U CN211956579U (en) | 2020-04-16 | 2020-04-16 | Expandable key management machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020567516.5U CN211956579U (en) | 2020-04-16 | 2020-04-16 | Expandable key management machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211956579U true CN211956579U (en) | 2020-11-17 |
Family
ID=73164837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020567516.5U Active CN211956579U (en) | 2020-04-16 | 2020-04-16 | Expandable key management machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211956579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435408A (en) * | 2020-11-24 | 2021-03-02 | 深圳蓄能发电有限公司 | Operation key management machine based on thing networking |
-
2020
- 2020-04-16 CN CN202020567516.5U patent/CN211956579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435408A (en) * | 2020-11-24 | 2021-03-02 | 深圳蓄能发电有限公司 | Operation key management machine based on thing networking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110363888B (en) | Door lock management method and device, electronic equipment and readable storage medium | |
| EP2955598B1 (en) | Control system | |
| WO2016196578A1 (en) | Access control device commissioning | |
| CN105201290B (en) | Logistic track monitoring anti-theft device | |
| CN103324148A (en) | Equipment cabinet safety integrated management system and equipment cabinet safety integrated management system control method | |
| CN211956579U (en) | Expandable key management machine | |
| CN101415127B (en) | Minitype universal hardware platform architecture system for telecom and calculation, and reliability management method | |
| CN107564153A (en) | A kind of intelligent cloud lock control system and its control method | |
| CN109191636A (en) | A kind of wrong self checking method of cloud lock | |
| CN206236230U (en) | A kind of IP3000MC electric fire monitoring systems | |
| CN113225328A (en) | Intelligent protection system and method for multi-node network use based on block chain data | |
| CN202417058U (en) | Intelligent face recognition lockset | |
| CN211653639U (en) | Computer fault alarm system | |
| CN203133970U (en) | Intelligent key | |
| CN2908708Y (en) | Key lock separated electronic trick lock | |
| KR20170103215A (en) | Method for scanning smart key and Apparatus thereof | |
| CN110457252B (en) | USB interface flight parameter remote transmission method and transmission system | |
| CN201181486Y (en) | Double-circuit electronic controller for cabinet warehouse door lock | |
| CN105467849B (en) | The monitoring method and system of intelligent air switch | |
| CN201126594Y (en) | Passenger transport station compensation-integrated machine fare | |
| CN219978860U (en) | Control chip and control system of terminal equipment and terminal equipment | |
| CN103507758B (en) | The long-range locking of automation workshop vehicle and anti-theft system and workflow thereof | |
| CN203496842U (en) | Automated remote locking and anti-theft system for workshop vehicle | |
| CN217767508U (en) | Electronic cabinet lock with signal feedback | |
| CN204706083U (en) | A kind of attack protection access control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |