CN208396459U - A kind of machinery cabinet lock monitoring device - Google Patents
A kind of machinery cabinet lock monitoring device Download PDFInfo
- Publication number
- CN208396459U CN208396459U CN201820880683.8U CN201820880683U CN208396459U CN 208396459 U CN208396459 U CN 208396459U CN 201820880683 U CN201820880683 U CN 201820880683U CN 208396459 U CN208396459 U CN 208396459U
- Authority
- CN
- China
- Prior art keywords
- controller
- lock
- cabinet lock
- machinery cabinet
- machinery
- 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
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a kind of machinery cabinet lock monitoring devices, including controller, lock control circuit, M26 communication module and data storage, and power module, the input of the controller is terminated with vibrating sensor, Hall sensor, first door status switch, second door status switch and third door status switch, and voltage sensor, the output of the controller is terminated with out indicator light, close indicator light and buzzer, the power module includes main power source, backup power source and voltage transformation module, the voltage transformation module includes DC-DC converter and voltage conversion circuit, the main power source and backup power source connect with DC-DC converter, the controller carries out wireless data communication by M26 communication module and handheld terminal.The utility model structure is simple, it is ensured that machinery cabinet lock, which is stablized, to be worked normally, and lock is opened and closed by handheld terminal, and can lock the real-time monitoring of open and-shut mode to cabinet, is improved the safety of machinery cabinet lock.
Description
Technical field
The utility model belongs to machinery cabinet lock monitoring technology field, and in particular to a kind of machinery cabinet lock monitoring device.
Background technique
The machinery cabinet lock on monitoring cabinet, server cabinet, network equipment cabinet and power distribution cabinet etc. is mechanical lock at present, if
The maintenance for carrying out equipment, needs to be inserted into key and is opened and closed, the large labor intensity of such staff, and it is each to additionally need carrying
The key of machinery cabinet lock, it is inconvenient to carry, and be easily lost；Further more, traditional mechanical key is easy to replicate, use process is not also produced
Raw corresponding record, not can be effectively carried out monitoring, once safety accident occurs, cannot and alarm, can not also carry out timely
It traces.With technology development and safety requirements, present machinery cabinet lock is changed to electronic lock, but there is also one for current machinery cabinet lock
A little problems:
The first, electronic lock generally uses alternating current or battery to be powered, because single supply is powered, electronic lock cannot have
It continues working to effect, when commonly encountering alternating current power-off or low battery voltage, electronic lock cannot be opened, cannot be right in time
Cabinet is overhauled；
Second, be mounted on outdoor monitoring cabinet, server cabinet, network equipment cabinet, the machinery cabinet lock on power distribution cabinet because
It is unattended to be easy to destroy by other people, it thus is avoided that other people destroy, needs staff periodically to be patrolled, increase labour
Intensity；
If the machinery cabinet locks such as third, monitoring cabinet, server cabinet, network equipment cabinet, power distribution cabinet are destroyed, staff
It cannot obtain in time and be destroyed signal, so that machinery cabinet lock cannot be rebuild in time, it is bad to reduce cabinet failure.
Therefore, nowadays lack a kind of simple structure and reasonable design and machinery cabinet lock monitoring device easy to use, by double
Power supply power supply ensures that machinery cabinet lock is stablized and works normally, and lock is opened and closed by handheld terminal, and it is convenient to operate, by opening cabinet lock
The real-time monitoring of closed state makes machinery cabinet lock be in normal operating conditions, and can obtain machinery cabinet lock in time and be destroyed signal and timely
Maintenance improves the safety of machinery cabinet lock, and reduces labor intensity.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of cabinet
Monitoring device is locked, structure is simple, and design is rationally, at low cost, ensures that machinery cabinet lock is stablized by dual power supply and works normally, leads to
It crosses handheld terminal and lock is opened and closed, it is convenient to operate, and by locking the real-time monitoring of open and-shut mode to cabinet, machinery cabinet lock is made to be in normal
Working condition, and machinery cabinet lock can be obtained in time and be destroyed signal and on-call maintenance, the safety of machinery cabinet lock is improved, and reduce labour
Intensity, it is practical.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of machinery cabinet lock monitoring device, it is special
Sign is: including controller, to lock control circuit that in machinery cabinet lock and electromagnet is controlled is arranged in and connects with controller
M26 communication module and data storage, and be controller and M26 communication module power supply power module, the controller
Input be terminated with vibrating sensor, the Hall sensor that is in open and-shut mode for detecting the machinery cabinet lock, be arranged described
First door status switch, second door status switch and third door status switch of the cabinet door on the side of the cabinet doorframe, and
For detecting the voltage sensor of power module outlet voltage, the output of the controller is terminated with buzzer, the control
The output of device is terminated with out indicator light, closes indicator light and buzzer, the output of the input terminal and controller of the lock control circuit
End connects, and the power module includes main power source, backup power source and voltage transformation module, and the voltage transformation module includes DC-
DC converter and the voltage conversion circuit to connect with DC-DC converter output end, the main power source and backup power source are and DC-DC
Converter connects, and the controller carries out wireless data communication by M26 communication module and handheld terminal.
Above-mentioned a kind of machinery cabinet lock monitoring device, it is characterised in that: the handheld terminal is portable mobile phone.
A kind of above-mentioned machinery cabinet lock monitoring device, it is characterised in that: the controller be single-chip microcontroller, ARM microcontroller or
Person's DSP microcontroller.
Above-mentioned a kind of machinery cabinet lock monitoring device, it is characterised in that: the DC-DC converter includes chip
TLV62130ARGT。
Above-mentioned a kind of machinery cabinet lock monitoring device, it is characterised in that: the voltage conversion circuit includes chip
XC6206P282MR。
Above-mentioned a kind of machinery cabinet lock monitoring device, it is characterised in that: the lock control circuit includes the enhanced field effect of N-channel
Should the terminals J3 that is connected with for electromagnet of pipe Q3, the grid of the N-channel enhancement mode FET Q3 divides two-way, all the way through electricity
Resistance R25 connects with controller, and another way is grounded through resistance R26, the source electrode ground connection of the N-channel enhancement mode FET Q3, institute
The drain electrode for stating N-channel enhancement mode FET Q3 connects with one end of fuse Fuse, the other end point of the fuse Fuse
Two-way connects with the anode of voltage-stabiliser tube D4 all the way, and another way connects with one end of terminals J3；The cathode of the voltage-stabiliser tube D4 point
Two-way connects with 12V DC power output end all the way, and another way connects with the other end of terminals J3.
Above-mentioned a kind of machinery cabinet lock monitoring device, it is characterised in that: the Hall sensor is Hall switch sensor.
Above-mentioned a kind of machinery cabinet lock monitoring device, it is characterised in that: the M26 communication module is that M26FB-03-BT is wireless
Communication module.
Compared with the prior art, the utility model has the following advantages:
1, the utility model setting main power source and backup power source realize dual power supply, and DC-DC converter and electricity are arranged
On the one hand 12V DC electricity is converted to 4V direct current as the power supply of M26 communication module, on the other hand turns 4V by voltage conversion circuit
3V is changed to for controller and other electricity consumption module for power supply, and the 12V DC electricity that main power source and backup power source provide is electromagnet confession
Electricity, it is ensured that machinery cabinet lock, which is stablized, to be worked normally.
2, lock control circuit is arranged in the utility model, is for the enhanced field of N-channel when unlocking, in lock control circuit
Effect pipe Q3 conducting, 12V DC electricity are electromagnet power supply, and electromagnet generates magnetism, realizes the opening of machinery cabinet lock；When closing cabinet
When lock, the N-channel enhancement mode FET Q3 in lock control circuit ends, and 12V DC electricity stops being that electromagnet is powered, electromagnet
It loses magnetism, realizes the closing of machinery cabinet lock, circuit structure is simple, at low cost.
3, M26 communication module is arranged in the utility model, is passed through in order to which controller and handheld terminal carry out wireless communication
Machinery cabinet lock is opened and closed in handheld terminal, avoids inputting using radio-frequency card or code keyboard, on the one hand can be at a distance to machine
Cabinet lock is opened and closed, and it is convenient to operate；On the other hand, the working condition of machinery cabinet lock can be obtained, realizes the reality to cabinet lock open and-shut mode
When monitor, obtain machinery cabinet lock in time and be destroyed signal and on-call maintenance, improve the safety of machinery cabinet lock, it is practical.
4, the utility model be arranged Hall sensor, be in order to detect lock tongue be in retracted state or stretching state, from
And detecting machinery cabinet lock is in the open state or closed state, realizes the real-time monitoring of cabinet lock open and-shut mode；It is shaken by setting
Dynamic sensor is to improve the safety of machinery cabinet lock to obtain machinery cabinet lock in time and be destroyed signal and on-call maintenance.
5, the first door status switch signal, the second door status switch signal and third door status switch signal is arranged in the utility model,
It is accurately to be closed in order to ensure machinery cabinet lock is during closing, avoids takeing for closing.
In conclusion the utility model structure is simple, design is rationally, at low cost, ensures machinery cabinet lock by dual power supply
Stablize and work normally, lock is opened and closed by handheld terminal, it is convenient to operate, by locking the real-time monitoring of open and-shut mode to cabinet,
So that machinery cabinet lock is in normal operating conditions, and machinery cabinet lock can be obtained in time and be destroyed signal and on-call maintenance, improves machinery cabinet lock
Safety, and labor intensity is reduced, it is practical.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the schematic block circuit diagram of the utility model.
Fig. 2 is the schematic block circuit diagram of the utility model power module.
Fig. 3 is the circuit diagram of the utility model lock control circuit.
Description of symbols:
1-controller；2-power modules；2-1-main power source；
2-2-backup power source；2-3-DC-DC converter；2-4-voltage conversion circuit；
3-M26 communication modules；4-handheld terminals；5-open indicator light；
6-close indicator light；7-lock control circuits；8-electromagnet；
9-buzzers；10-vibrating sensors；12-Hall sensors；
13-the first door status switch；14-the second door status switch；15-third door status switch；
16-voltage sensors；17-data storages.
Specific embodiment
As depicted in figs. 1 and 2, the utility model includes controller 1, to setting is in machinery cabinet lock and electromagnet 8 is controlled
The lock control circuit 7 of system and the M26 communication module 3 to connect with controller 1 and data storage 17, and be controller 1 and M26
The power module 2 that communication module 3 is powered, the input of the controller 1 are terminated with vibrating sensor 10, for detecting the cabinet
Lock is in the Hall sensor 12 of open and-shut mode, first of the cabinet door on the side of the cabinet doorframe is arranged in
Magnetic switch 13, the second door status switch 14 and third door status switch 15, and the voltage for detecting 2 output end voltage of power module
Sensor 16, the output of the controller 1 are terminated with buzzer 9, and the output of the controller 1 is terminated with out indicator light 5, closes finger
Show that lamp 6 and buzzer 9, the input terminal of the lock control circuit 7 connect with the output end of controller 1, the power module 2 includes
Main power source 2-1, backup power source 2-2 and voltage transformation module, the voltage transformation module include DC-DC converter 2-3 and and DC-
The voltage conversion circuit 2-4, the main power source 2-1 and backup power source 2-2 that DC converter 2-3 output end connects turn with DC-DC
Parallel operation 2-3 connects, and the controller 1 carries out wireless data communication by M26 communication module 3 and handheld terminal 4.
In the present embodiment, the handheld terminal 4 is portable mobile phone.
In the present embodiment, the controller 1 is single-chip microcontroller, ARM microcontroller or DSP microcontroller.
In the present embodiment, the DC-DC converter 2-3 includes chip TLV62130ARGT.
In the present embodiment, the voltage conversion circuit 2-4 includes chip XC6206P282MR.
As shown in figure 3, the lock control circuit 7 is including N-channel enhancement mode FET Q3 and for electromagnetism in the present embodiment
The terminals J3 that iron 8 connects, the grid of the N-channel enhancement mode FET Q3 divides two-way, all the way through resistance R25 and controller
1 connects, and another way is grounded through resistance R26, the source electrode ground connection of the N-channel enhancement mode FET Q3, and the N-channel is enhanced
The drain electrode of field-effect tube Q3 connects with one end of fuse Fuse, and the other end of the fuse Fuse divides two-way, all the way and surely
The anode of pressure pipe D4 connects, and another way connects with one end of terminals J3；The cathode of the voltage-stabiliser tube D4 divides two-way, all the way with
12V DC power output end connects, and another way connects with the other end of terminals J3.
In the present embodiment, the Hall sensor 12 is Hall switch sensor.
In the present embodiment, the M26 communication module 3 is M26FB-03-BT wireless communication module.
In the present embodiment, the M26 communication module 3 integrates GPRS and bluetooth communication, easy to use and small in size.
In the present embodiment, during actual use, the machinery cabinet lock includes lock housing and the lock tongue that is arranged in lock housing, described
Electromagnet 8 is arranged in lock housing, and the electromagnet 8 drives lock tongue movement, is provided with magnet steel on the lock tongue.
In the present embodiment, during actual use, when lock tongue stretches out, lock tongue drives the magnet steel on lock tongue to pass close to Hall
Sensor 12, Hall sensor 12 export low level signal；When lock tongue retraction, lock tongue drives the magnet steel on lock tongue to pass far from Hall
Sensor 12, Hall sensor 12 export high level signal.
In the present embodiment, during actual use, 8 power loss of electromagnet, lock tongue in machinery cabinet lock far from electromagnet 8 and
It stretches out, realizes the closing of machinery cabinet lock, the electromagnet 8 obtains electric generation suction and the lock tongue in machinery cabinet lock is driven to retract, and realizes machine
The opening of cabinet lock.
In actual use, the main power source 2-1 is 12V Switching Power Supply, the input terminal and alternating current of the main power source 2-1
Output end connection.
In the present embodiment, the backup power source 2-2 is 12V rechargeable battery.
In the present embodiment, in practical connection procedure, the first door status switch 13, the second door status switch 14 and third door status switch
14 output end is provided with pull-up resistor, is to open the first door status switch 13, the second door status switch 14 and third door sensor
The on-off model for closing 14 is converted to low and high level signal.
In the present embodiment, during machinery cabinet lock is closed, when the first door status switch 13, the second door status switch 14 and third
Door status switch 14 exports low level signal to controller 1, when controller 1 receives the first door status switch 13, the second door sensor is opened
When the low level that pass 14 and third door status switch 14 export, then judge that cabinet door is in close state；Otherwise, cabinet door is not by just
At true closing, so that it is guaranteed that machinery cabinet lock is correctly closed, safety is improved.
In the present embodiment, first door status switch 13, the second door status switch 14 and third door status switch 14 are YB-
39A door status switch.
In the present embodiment, voltage sensor 16 is MWB20-WBV332S01 direct current voltage sensor.
In the present embodiment, during main power source 2-1 power supply, voltage sensor 16 exports voltage conversion circuit 2-4
The voltage voltage value that is measured in real time, and will test be sent to controller 1, controller 1 by the voltage value received with
Low voltage threshold is compared, when the voltage that voltage sensor 16 detects is not more than low voltage threshold, cut-in stand-by power supply
2-2 is DC-DC conversion circuit 2-3 power supply, guarantees that the voltage of voltage conversion circuit 2-4 output meets 1 work requirements of controller, from
And guarantee machinery cabinet lock steady operation.
In the present embodiment, vibrating sensor 10 is IPS-17020 Piezoelectric film Vibrating Sensors.
It is to work as machine in order to which whether real-time detection machinery cabinet lock is collided by the way that vibrating sensor 10 is arranged in the present embodiment
When cabinet lock is collided, vibrating sensor 10 detects the oscillation intensity of machinery cabinet lock, and the oscillation intensity hair that will test
It send to controller 1, the oscillation intensity received is compared by controller 1 with preset oscillation intensity setting value, works as vibration
When the oscillation intensity that dynamic sensor 10 detects is greater than preset oscillation intensity setting value, controller 1 controls buzzer 9 and reports
Alert warning, meanwhile, controller 1 sends warning message to handheld terminal 11 by M26 communication module 3, and make staff into
Row is checked in time, is destroyed signal, and energy on-call maintenance so as to obtain machinery cabinet lock in time, is improved the safety of machinery cabinet lock, and
It avoids staff from periodically patrolling, reduces labor intensity.
In the present embodiment, further, Hall sensor 12 is A3144 AH04E Hall switch sensor, switch
Type Hall sensor is small in size, high sensitivity, easy for installation and reliable operation.
When the utility model is used, main power source module 2-1 exports 12V DC electricity to DC-DC converter 2-3, by DC-DC
12V DC electricity is converted to 4V direct current by the conversion of converter 2-3, and the 4V direct current of DC-DC converter 2-3 output is logical for M26
Believe that module 3 is powered, meanwhile, the 4V direct current of DC-DC converter 2-3 output simultaneously passes through voltage conversion circuit 2-4 for 4V direct current
Be converted to 3V direct current, the 3V direct current of voltage conversion circuit 2-4 output be controller 1 and other electricity consumption modules (buzzer 9,
Open indicator light 5, close indicator light 6, Hall sensor 12 etc.) power supply, controller 1 enters working condition, when being unlocked,
Staff inputs machinery cabinet lock unlocking cipher by handheld terminal 4 and sends, and controller 1 passes through 3 receiver of M26 communication module
Cabinet locks unlocking cipher, and controller 1 is by the machinery cabinet lock unlocking cipher received and the unlocking that is stored in advance in data storage 16
Setting code is compared, and when the machinery cabinet lock unlocking cipher that controller 1 receives and is stored in advance in data storage 16
When unlocking setting code is consistent, controller 1 sends high level signal to lock control circuit 7, and the N-channel in lock control circuit 7 increases
Strong type field-effect tube Q3 conducting, 12V DC electricity are the power supply of electromagnet 8, and electromagnet 8 generates magnetic attracting and drives lock tongue retraction, real
The opening of existing machinery cabinet lock, meanwhile, it is bright that indicator light 5 is opened in the control of controller 1；When needing to close machinery cabinet lock, staff passes through hand
Formula terminal 4 to be held to input machinery cabinet lock lock combinations and send, controller 1 receives cabinet locking lock cipher by M26 communication module 3,
Controller 1 compares the machinery cabinet lock lock combinations received with the locking setting code being stored in advance in data storage 16
Compared with when the machinery cabinet lock lock combinations and the locking setting code one being stored in advance in data storage 16 that controller 1 receives
When cause, controller 1 sends N-channel enhancement mode FET Q3 of the bottom level signal to lock control circuit 7, in lock control circuit 7
It is not turned on, 12V DC electricity stops being that electromagnet 8 is powered, and electromagnet 8, which loses magnetism, pushes lock tongue to stretch out, and realizes the pass of machinery cabinet lock
It closes, meanwhile, it is bright that indicator light 6 is closed in the control of controller 1.
During machinery cabinet lock work, when Hall sensor 12 exports low level signal to controller 1, controller 1 is obtained
It is in close state to machinery cabinet lock；When Hall sensor 12 exports high level signal, controller 1 obtains machinery cabinet lock and is in open shape
The state of obtained machinery cabinet lock is sent to handheld terminal 4 by M26 communication module 3, realizes hand-held by state, controller 1
Long-range monitoring of the terminal 4 to cabinet lock status provides warning reminding to the machinery cabinet lock in abnormal condition, and passes through hand-held
Terminal 4 can send machinery cabinet lock unlocking cipher or machinery cabinet lock and close password to controller 1, control the opening and closing of machinery cabinet lock,
Ensure that machinery cabinet lock is in normal operating conditions, improves the safety of machinery cabinet lock, it is practical.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (8)
1. a kind of machinery cabinet lock monitoring device, it is characterised in that: including controller (1), to being arranged in machinery cabinet lock and electromagnet (8)
The lock control circuit (7) controlled and the M26 communication module (3) to connect with controller (1) and data storage (17), and
For the power module (2) of controller (1) and M26 communication module (3) power supply, the input of the controller (1) is terminated with vibration and passes
Sensor (10), the Hall sensor (12) that open and-shut mode is in for detecting the machinery cabinet lock, setting are close in the cabinet door
The first door status switch (13), the second door status switch (14) and third door status switch (15) on the side of the cabinet doorframe, with
And the voltage sensor (16) for detecting power module (2) output end voltage, the output of the controller (1) are terminated with buzzing
Device (9), the output of the controller (1) are terminated with out indicator light (5), close indicator light (6) and buzzer (9), the lock control
The input terminal of circuit (7) connects with the output end of controller (1), and the power module (2) includes main power source (2-1), standby electricity
Source (2-2) and voltage transformation module, the voltage transformation module include DC-DC converter (2-3) and with DC-DC converter (2-
3) voltage conversion circuit (2-4) that output end connects, the main power source (2-1) and backup power source (2-2) are and DC-DC converter
(2-3) connects, and the controller (1) carries out wireless data communication by M26 communication module (3) and handheld terminal (4).
2. a kind of machinery cabinet lock monitoring device described in accordance with the claim 1, it is characterised in that: the handheld terminal (4) be with
The mobile phone that body carries.
3. a kind of machinery cabinet lock monitoring device according to claim 1 or 2, it is characterised in that: the controller (1) is monolithic
Machine, ARM microcontroller or DSP microcontroller.
4. a kind of machinery cabinet lock monitoring device according to claim 1 or 2, it is characterised in that: the DC-DC converter (2-
It 3) include chip TLV62130ARGT.
5. a kind of machinery cabinet lock monitoring device according to claim 1 or 2, it is characterised in that: the voltage conversion circuit (2-
It 4) include chip XC6206P282MR.
6. a kind of machinery cabinet lock monitoring device according to claim 1 or 2, it is characterised in that: lock control circuit (7) packet
Include N-channel enhancement mode FET Q3 and terminals J3, the N-channel enhancement mode FET Q3 for electromagnet (8) connection
Grid divide two-way, connect all the way through resistance R25 with controller (1), another way is grounded through resistance R26, and the N-channel is enhanced
The source electrode of field-effect tube Q3 is grounded, and the drain electrode of the N-channel enhancement mode FET Q3 connects with one end of fuse Fuse, institute
The other end for stating fuse Fuse divides two-way, connects all the way with the anode of voltage-stabiliser tube D4, one end phase of another way and terminals J3
It connects；The cathode of the voltage-stabiliser tube D4 divides two-way, connects all the way with 12V DC power output end, and another way is another with terminals J3's
One end connects.
7. a kind of machinery cabinet lock monitoring device according to claim 1 or 2, it is characterised in that: the Hall sensor (12)
For Hall switch sensor.
8. a kind of machinery cabinet lock monitoring device according to claim 1 or 2, it is characterised in that: the M26 communication module (3)
For M26FB-03-BT wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820880683.8U CN208396459U (en) | 2018-06-08 | 2018-06-08 | A kind of machinery cabinet lock monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820880683.8U CN208396459U (en) | 2018-06-08 | 2018-06-08 | A kind of machinery cabinet lock monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396459U true CN208396459U (en) | 2019-01-18 |
Family
ID=65135022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820880683.8U Active CN208396459U (en) | 2018-06-08 | 2018-06-08 | A kind of machinery cabinet lock monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827789A (en) * | 2019-01-28 | 2019-05-31 | 广育德（武汉）智控技术有限公司 | A kind of detection method and detection system of the failure of rail traffic Sign lapm cabinet lockset |
| CN112576120A (en) * | 2020-11-19 | 2021-03-30 | 安徽劲威物联网科技有限公司 | Intelligent anti-theft oil tank lock |
-
2018
- 2018-06-08 CN CN201820880683.8U patent/CN208396459U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827789A (en) * | 2019-01-28 | 2019-05-31 | 广育德（武汉）智控技术有限公司 | A kind of detection method and detection system of the failure of rail traffic Sign lapm cabinet lockset |
| CN112576120A (en) * | 2020-11-19 | 2021-03-30 | 安徽劲威物联网科技有限公司 | Intelligent anti-theft oil tank lock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203299911U (en) | Light guide intelligent coded lock | |
| CN208396459U (en) | A kind of machinery cabinet lock monitoring device | |
| CN204496592U (en) | A kind of smart lock with power saving management function | |
| CN104952184A (en) | Bi-directional wireless intelligent door magnetic detector | |
| CN205140102U (en) | Two -way wireless Intelligence door magnetic detector | |
| CN104867219A (en) | Non-contact environment-friendly coded lock | |
| CN108775204A (en) | A kind of low power-consumption intelligent door lock and its low-power consumption standby method | |
| CN203515007U (en) | Intelligent panel lock | |
| CN208396460U (en) | A kind of machinery cabinet lock monitoring system | |
| CN102497485A (en) | Intelligent unlocking method on basis of Zigbee technology and device | |
| CN109102594A (en) | A kind of working method of low-consumption wireless networked electronic door lock and electronic lock | |
| CN102426739B (en) | Wireless intelligent door magnet system and operating method | |
| CN102493720B (en) | Safety anti-theft system for outdoor distribution network cabinet door | |
| CN208456323U (en) | A kind of cabinet lock control circuit | |
| CN104464033B (en) | intelligent panel lock | |
| CN205025231U (en) | Intelligent lock system | |
| CN107197583A (en) | A kind of intelligence control system of power plant's computer room illuminating lamp | |
| CN203129751U (en) | Electronic lock body control system | |
| CN105700038A (en) | Electronic equipment and electronic system | |
| CN205541352U (en) | Lock core alarm devices | |
| CN206149562U (en) | Take urban illumination intelligent control terminal of electronic lock | |
| CN211653740U (en) | Multifunctional locking system | |
| CN208267584U (en) | A kind of one-to-many intelligent door lock | |
| CN210804547U (en) | Integrated board for intelligent door lock | |
| CN204731860U (en) | Room personnel based on intelligent door lock pass in and out monitor terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |