CN108691463A - A kind of multi-breal switch lock and manhole lid device - Google Patents
A kind of multi-breal switch lock and manhole lid device Download PDFInfo
- Publication number
- CN108691463A CN108691463A CN201810442479.2A CN201810442479A CN108691463A CN 108691463 A CN108691463 A CN 108691463A CN 201810442479 A CN201810442479 A CN 201810442479A CN 108691463 A CN108691463 A CN 108691463A
- Authority
- CN
- China
- Prior art keywords
- breal
- switch
- motor clutch
- drive shaft
- switch structure
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/006—Locks or fastenings for special use for covers or panels
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/0065—Operating modes; Transformable to different operating modes
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Present invention firstly provides a kind of multi-breal switch locks, including locking structure, key switch structure and motor clutch switch structure, the locking structure includes drive shaft, the drive shaft is connect with key switch structure and motor clutch switch structure respectively, and the motor clutch switch structure includes monitor, drive control plate and the electric motor clutch structure being electrically connected;Secondly a kind of manhole lid device, including roadbed, well seat and interior Manhole cover assembly and outer well lid are provided, further include that multi-breal switch described above is locked, be fixed to each other by multi-breal switch lock between the well seat and interior Manhole cover assembly.Multi-breal switch lock in the present invention and manhole lid device, have key switch structure and motor clutch switch structure so that the diversification of unlocking mode, when use are more intelligent convenient;And above-mentioned key switch structure and motor clutch switch structure are both needed to by can just be opened after authoring program so that the anti-theft feature of multi-breal switch lock is more powerful, ensure that safety financial in well.
Description
Technical field
The present invention relates to well lid technical fields, and in particular to a kind of multi-breal switch lock and manhole lid device.
Background technology
With the fast development of urban economy and townie Quality advance, buried cable becomes new era new century
A kind of trend, it plays beneficial effect to beautifying urban environment and promotion city function, moreover it is possible to weigh a city modern times
Change the high level of Scientific Development.But since cable value is higher, become the object that criminal steals, buried cable loses
Surreptitiously event occurs again and again, financial antitheft in the wells such as cable to realize, generally locks to well lid, but existing lock at present
Tool, structure is single, and anti-theft feature is poor, is easy that criminal is allowed to have an opportunity to take advantage of.
In view of drawbacks described above, creator of the present invention obtains the present invention finally by prolonged research and practice.
Invention content
To solve the above problems, the technical solution adopted by the present invention is, a kind of multi-breal switch lock, including lock are provided first
Determine structure, key switch structure and motor clutch switch structure, the locking structure includes a drive shaft, the drive shaft difference
It is connect with the key switch structure and motor clutch switch structure, the motor clutch switch structure includes being electrically connected successively
Monitor, drive control plate and electric motor clutch structure.
Further, the locking structure further includes axis, spindle assemblies and limited block, on the spindle assemblies and limited block
It is respectively connected with spring, the head of the spindle assemblies and limited block are abutted with the side of the axis and bottom respectively, the drive
Moving axis is abutted with the tail portion of the spindle assemblies.
Further, the key switch structure includes the lock core being connected with each other and driving slide block, is set in the drive shaft
There are the first horizontal axis, first horizontal axis to be abutted with the driving slide block.
Further, the electric motor clutch structure includes intermeshing electric machine assembly, first gear component and second successively
Gear assembly, the second gear component are equipped with connecting shaft, drive block, the drive block and company are arranged in the connecting shaft
Driving spring is equipped between spindle, the electric machine assembly is electrically connected with drive control plate, the drive block and the drive shaft
Connection.
Further, further include escape push-button switch structure, the escape push-button switch structure is including escape button and is arranged
Resetting spring outside the escape button, the drive shaft are equipped with the second horizontal axis, and second horizontal axis is pressed with the escape
Button abuts.
Further, the monitor includes controller, bourdon tube and detection ball, and the detection ball and controller are separately connected
Induction module is equipped in the upper and lower ends of the bourdon tube, the detection ball, the controller is equipped with wake-up module, described
Induction module and the wake-up module are electrically connected, and when detecting ball described in the external force pressure, the bourdon tube is bent towards on one side;When removing
When selling the external force, the straight state of bourdon tube, at this time the induction module deliver a signal to wake-up module, make the control
Device processed enters working condition.
Further, the detection ball is spherical shape.
Secondly a kind of manhole lid device is provided, including roadbed, the well seat in the roadbed and cover in the well seat
Manhole cover assembly and outer well lid further include that multi-breal switch described above is locked, by described between the well seat and interior Manhole cover assembly
Multi-breal switch lock is fixed to each other.
Further, the drive control plate is equipped with upper tongue tube and lower tongue tube, and the interior Manhole cover assembly is equipped with interior
Well lid magnet, the electric motor clutch structure are equipped with drive shaft magnet, the position of the upper tongue tube and the interior well lid magnet
Position be adapted, the position of the position of the lower tongue tube and the drive shaft magnet is adapted.
Further, the both ends of the multi-breal switch lock are equipped with mounting bracket, and the mounting bracket is fixedly mounted on the well
On seat.
Compared with the prior art the beneficial effects of the present invention are:
Multi-breal switch lock in the present invention and manhole lid device, have key switch structure and motor clutch switch structure, make
The diversification of unlocking mode, when use, are more intelligent convenient;And above-mentioned key switch structure and motor clutch switch structure are both needed to lead to
Crossing after authoring program can just be opened so that the anti-theft feature of multi-breal switch lock is more powerful, ensure that safety financial in well.
Description of the drawings
Fig. 1 be a kind of manhole lid device of the present invention in off position when structure chart;
Fig. 2 is the enlarged drawing in the portions A in Fig. 1;
Fig. 3 is structure chart when a kind of manhole lid device key switch structure of the present invention is unlocked;
Fig. 4 is the enlarged drawing in the portions B in Fig. 3;
Fig. 5 is structure chart when a kind of manhole lid device motor clutch switch structure of the present invention is unlocked;
Fig. 6 is the enlarged drawing in the portions C in Fig. 5;
Fig. 7 be a kind of electric motor clutch structure of present invention multi-breal switch lock in off position when structure chart;
Fig. 8 is a kind of structure chart of the electric motor clutch structure of multi-breal switch lock of the present invention in open state;
Fig. 9 is structure chart when a kind of manhole lid device escape push-button switch structure of the present invention is unlocked;
Figure 10 is the enlarged drawing in the portions D in Fig. 9;
Figure 11 be a kind of manhole lid device of the present invention in off position when escape the structure chart of push-button switch structure;
Figure 12 is a kind of explosive view of manhole lid device of the present invention.
Specific implementation mode
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment one
Please refer to Fig.1 with shown in Fig. 2, be respectively a kind of manhole lid device of the present invention in off position when structure chart and figure
The enlarged drawing in the portions A in 1.
In conjunction with shown in Fig. 1 and Fig. 2, a kind of multi-breal switch lock, including locking structure, key switch structure and electric motor clutch are opened
Close structure, the locking structure includes a drive shaft 11, the drive shaft 11 respectively with the key switch structure and motor from
Combination switch structure connects, and the motor clutch switch structure includes the monitor 31 being electrically connected successively, 32 and of drive control plate
Electric motor clutch structure, the key switch structure and motor clutch switch structure after authoring program only by being just opened.
Wherein, as shown in Fig. 2, the locking structure further includes axis 12, spindle assemblies 13 and limited block 14, the main shaft
It is respectively connected with spring on component 13 and limited block 14, i.e., is connected with resetting spring 15, the limited block on the spindle assemblies 13
On be connected with limited block spring 16, the head of the spindle assemblies 13 and limited block 14 respectively with the side and bottom of the axis 12
Portion abuts, and the drive shaft 11 is abutted with the tail portion of the spindle assemblies 13;The spindle assemblies 13 abutted with axis 12 one
End is spherical structure, is matched with the arc groove on the axis 12, and the spherical structure is convenient for unlocking.
As shown in Fig. 2, when the multi-breal switch is locked in the off state, work of the spindle assemblies 13 in resetting spring 15
It is stuck in the card slot of axis 12 with the bolt head of lower outside ejection, 13 top of the spindle assemblies, the drive shaft 11, which is in, to fall
State simultaneously blocks 13 tail end of spindle assemblies, makes the spindle assemblies 13 that can not retract, and to extract axis 12, reaches locking
Function.
A kind of multi-breal switch lock in the present invention, has key switch structure and motor clutch switch structure so that unlock
Mode diversification, when use, are more intelligent convenient;And above-mentioned key switch structure and motor clutch switch structure are both needed to pass through mandate
It can just be opened after program so that the anti-theft feature of multi-breal switch lock is more powerful, ensure that safety financial in well.
Embodiment two
It please refers to shown in Fig. 3 and Fig. 4, is respectively knot when a kind of manhole lid device of the present invention is unlocked with key switch structure
The enlarged drawing in the portions B in composition and Fig. 3.
A kind of multi-breal switch lock as described above, the present embodiment is different from place and is, as shown in figure 4, the key
Construction of switch includes the lock core 21 being connected with each other and driving slide block 22, and the drive shaft 11 is equipped with the first horizontal axis 111, described
First horizontal axis 111 is abutted with the driving slide block 22, and the lock core 21 is interchangeable lock core 21.
As shown in figure 4, when needing to open the multi-breal switch lock, authorized electron key is inserted into the lock core to use
In 21, and 90 ° are rotated clockwise, while driving slide block 22 being driven to rotate together, at this time the first horizontal axis 111 in drive shaft 11
Ascending motion is done along the rising table top on driving slide block 22, such drive shaft 11 just loses the limitation to spindle assemblies 13.
The unlocking of the axis 12 is pulled up, while the limited block 14 rises under the active force of limited block spring 16, and blocks the master
Shaft assembly 13.When at closing time, the axis 12 is oppressed downwards, so that the limited block 14 is moved down, the spindle assemblies 13 exist
It resets, is then inserted into lock core 21 with the electron key, and be rotated by 90 ° counterclockwise under the active force of resetting spring 15 so that
The driving slide block 22 falls the tail end of bumping post spindle assemblies 13 again, completes locking.
Embodiment three
It please refers to shown in Fig. 5 to Fig. 8, Fig. 5 and Fig. 6 are respectively a kind of manhole lid device motor clutch switch structure of the present invention
The enlarged drawing in the portions C in structure chart, Fig. 5 when unlocking, Fig. 7 and Fig. 8 are respectively a kind of electric motor clutch of multi-breal switch lock of the present invention
Structure in off position when structure chart and the structure chart in open state.
A kind of multi-breal switch lock as described above, the present embodiment with embodiment one the difference is that, as shown in fig. 7, institute
It states electric motor clutch structure and includes intermeshing electric machine assembly 33, first gear component 34 and second gear component 35 successively, institute
It states second gear component 35 and is equipped with connecting shaft 36, drive block 37, the drive block 37 and company are arranged in the connecting shaft 36
Driving spring 38 is equipped between spindle 36, the electric machine assembly 33 is electrically connected with drive control plate 32, and the drive block 37 is logical
An E types retainer ring 39 is crossed to connect with the drive shaft 36.
The drive control plate 32 is powered to electric machine assembly 33, and the electric machine assembly 33 provides output power, through the first tooth
Wheel assembly 34 is transmitted to second gear component 35;As shown in fig. 7, the driving spring 38 is positioned in the square groove of drive block 37,
38 liang of the driving spring extends foot and is hung on square groove both sides respectively, and the connecting shaft 36 of the second gear component 35 passes through drive block
37 and driving spring 38 three is fitted together;In conjunction with shown in Fig. 7 and Fig. 8, when the second gear component 35 rotates, institute
Stating the lateral protruding shaft in connecting shaft 36 can force driving spring 38 along square groove and connecting shaft 36 upward (open state) or downward
(closed state) moves, as shown in fig. 6, when the compression of the driving spring 38 to a certain extent, this strand of elastic force can allow drive block 37
(open state) or downwards (closed state) movement upwards, and the drive shaft 11 is fixed on drive block 37 by No. 2 E types retainer rings 39
On, it is also and then moved simultaneously, to realize main lock function.
Since the driving spring 38 participates in moving, energy storage can be played the role of.As shown in fig. 6, working as the drive shaft
11 are blocked by spindle assemblies 13 when can not fall, and the electric machine assembly 33 stops after the stipulated time exports power, the drive
Spring 38 of moving can be compressed between the lateral protruding shaft on drive block 37 and second gear component 35, when the spindle assemblies 13 leave
Afterwards, the elastic force that the driving spring 38 discharges still can make drive shaft 11 fall, to complete locking function.
Example IV
A kind of multi-breal switch lock as described above, the present embodiment is different from place and is, as shown in figure 5, the monitoring
Device 31 includes controller 311, bourdon tube 312 and detection ball 313, and the detection ball 313 and controller 311 are connected to described
The upper and lower ends of bourdon tube 312, the detection ball 313 is interior to be equipped with induction module, and the controller 311 is equipped with wake-up module,
The induction module and the wake-up module are electrically connected, and when detecting ball 313 described in the external force pressure, the bourdon tube 312 is curved
To one side;When cancelling the external force, 312 straight state of the bourdon tube, the induction module, which delivers a signal to, at this time calls out
Awake module, makes the controller 311 enter working condition.
Wherein, in the present embodiment, the external force is the gravity of outer well lid 4;The detection ball 313 is smooth spherical shape,
When the outer well lid 4 pushes, the baseplane of the outer well lid 4 is mutually contradicted with the detection ball 313, and two between each other
Friction is small, is bent to a direction convenient for 312 stress of the bourdon tube, is pushed convenient for well lid;The bourdon tube 312 is gold
Belong to bourdon tube, for realizing the variation of 313 position of the detection ball, has the function of preferable bending strength and bending.
When needing to open the multi-breal switch lock, the outer well lid 4 is removed, the detection ball 313 wakes up control at this time
Device 311, and NB-IoT or bluetooth communication mandate are carried out using mobile phone, it is equipped with main PCB plate, the control in the controller 311
Device 311 processed is connect with drive control plate 32 by data line, and the drive control plate 32 is powered to electric machine assembly 33 at this time, described
Electric motor clutch structure can be such that drive shaft 11 rises under the effect of driving spring 39, and such drive shaft 11 just loses to spindle assemblies 13
Limitation.As shown in fig. 6, pull up the axis 12 unlocking, while the limited block 14 under 16 active force of limited block spring on
Upshift lives spindle assemblies 13, and after authorizing the time, the electric motor clutch structure reversion makes drive shaft 11 move down, described after shutdown
Spindle assemblies 13 reset, and the driving spring 38 can force drive shaft 11 to be displaced to original position, lock successfully.
Embodiment five
It please refers to shown in Fig. 9 to Figure 11, is respectively that a kind of manhole lid device of the present invention is unlocked with escape push-button switch structure
When structure chart, in Fig. 9 the enlarged drawing in the portions D and in off position when escape the structure chart of push-button switch structure.
A kind of multi-breal switch lock as described above, the present embodiment with embodiment one the difference is that, as shown in Figure 10, also
Including push-button switch structure of escaping, the escape push-button switch structure includes escape button 51 and is set in the escape button 51
Outer resetting spring 52, the drive shaft 11 are equipped with the second horizontal axis 112, second horizontal axis 112 and the escape button 51
It abuts.
As shown in figure 11, when personnel are in inside well lid, escape button 51 is pinned on the other hand, and button 51 of escaping at this time will drive
Second horizontal axis 112 of 11 one end of moving axis up pushes up, and such drive shaft 11 just loses the limitation to spindle assemblies 13, while the other hand
Firmly upper top well lid can carry out unlocking escape.
Embodiment six
It please refers to Fig.1 shown in 2, for a kind of explosive view of manhole lid device of the present invention.
As shown in figure 12, a kind of manhole lid device, including roadbed 6, the well seat 7 in the roadbed 6 and cover the well
The interior Manhole cover assembly 8 and outer well lid 4 of seat 7, further include multi-breal switch lock described above, the well seat 7 and interior Manhole cover assembly 8 it
Between by the multi-breal switch lock be fixed to each other.
Wherein, the both ends of the multi-breal switch lock are equipped with mounting bracket 9, and the mounting bracket 9 is fixedly mounted on the well
On seat 7;The both ends of the multi-breal switch lock are equipped with half a month bracket component 10, with hand close to institute when being used to escape in personnel's well
It states at half a month bracket component 10, firmly the upper top interior Manhole cover assembly 8, realizes escape of unlocking;The interior Manhole cover assembly 8 passes through one
Buckle frame 81 is hinged with the well seat 7;The outer well lid 4 covers on the well seat 7, the horizontal peak of the outer well lid 4 and road
Base 6 is equal;The axis 12 is fixedly connected on the interior Manhole cover assembly 8.
A kind of manhole lid device in the present invention has key switch structure and motor clutch switch structure so that unlocking side
Formula diversification, when use, are more intelligent convenient;And above-mentioned key switch structure and motor clutch switch structure are both needed to by authorizing journey
It can just be opened after sequence so that the anti-theft feature of multi-breal switch lock is more powerful, ensure that safety financial in well.
Embodiment seven
A kind of manhole lid device as described above, the present embodiment is different from place and is, as shown in Fig. 2, the driving is controlled
Making sheet 32 is equipped with upper tongue tube and lower tongue tube, and the interior Manhole cover assembly 8 is equipped with interior well lid magnet 82, the electric motor clutch
Structure is equipped with drive shaft magnet 310, and the position of the upper tongue tube and the position of the interior well lid magnet 82 are adapted, described
The position of lower tongue tube and the position of the drive shaft magnet 310 are adapted.
When magnet is reached close to tongue tube in a certain range, then reed switch conduction, separate then tongue tube disconnect.The interior well
When cap assemblies 8 are closed, the interior well lid magnet 82 is close to upper tongue tube, the upper reed switch conduction, then in program described in judgement
Interior Manhole cover assembly 8 is closed;The drive shaft magnet 310 can follow the displacement together of drive shaft 11, described when drive shaft 11 falls
Lower tongue tube senses drive shaft magnet 310 and is connected, then locking is judged in program.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of multi-breal switch lock, which is characterized in that including locking structure, key switch structure and motor clutch switch structure,
The locking structure includes a drive shaft, and the drive shaft connects with the key switch structure and motor clutch switch structure respectively
It connects, the motor clutch switch structure includes the monitor being electrically connected successively, drive control plate and electric motor clutch structure.
2. multi-breal switch lock according to claim 1, which is characterized in that the locking structure further includes axis, main shaft group
Part and limited block are respectively connected with spring, the head of the spindle assemblies and limited block difference on the spindle assemblies and limited block
It is abutted with the side of the axis and bottom, the drive shaft is abutted with the tail portion of the spindle assemblies.
3. multi-breal switch lock according to claim 1, which is characterized in that the key switch structure includes being connected with each other
Lock core and driving slide block, the drive shaft are equipped with the first horizontal axis, and first horizontal axis is abutted with the driving slide block.
4. multi-breal switch lock according to claim 1, which is characterized in that the electric motor clutch structure includes mutually nibbling successively
Electric machine assembly, first gear component and the second gear component of conjunction, the second gear component are equipped with connecting shaft, the connection
It is arranged with drive block on axis, driving spring, the electric machine assembly and drive control plate are equipped between the drive block and connecting shaft
It is electrically connected, the drive block and the driving axis connection.
5. multi-breal switch lock according to claim 1, which is characterized in that further include escape push-button switch structure, it is described to escape
Raw push-button switch structure includes escape button and the resetting spring that is set in outside the escape button, and the drive shaft is equipped with the
Two horizontal axis, second horizontal axis are abutted with the escape button.
6. multi-breal switch according to claim 1 lock, which is characterized in that the monitor include controller, bourdon tube and
Ball is detected, the detection ball and controller are connected to the upper and lower ends of the bourdon tube, induction are equipped in the detection ball
Module, the controller are equipped with wake-up module, and the induction module is electrically connected with the wake-up module, when external force pressure institute
When stating detection ball, the bourdon tube is bent towards on one side;When cancelling the external force, the straight state of bourdon tube is described at this time
Induction module delivers a signal to wake-up module, and the controller is made to enter working condition.
7. multi-breal switch lock according to claim 6, which is characterized in that the detection ball is spherical shape.
8. a kind of manhole lid device, which is characterized in that well seat including roadbed, in the roadbed and cover in the well seat
Manhole cover assembly and outer well lid, further include any multi-breal switch locks of claim 1-8, the well seat and interior Manhole cover assembly it
Between by the multi-breal switch lock be fixed to each other.
9. manhole lid device according to claim 8, which is characterized in that the drive control plate is equipped with upper tongue tube under
Tongue tube, the interior Manhole cover assembly be equipped with interior well lid magnet, the electric motor clutch structure be equipped with drive shaft magnet, it is described on
The position of tongue tube and the position of the interior well lid magnet are adapted, the position of the lower tongue tube and the drive shaft magnet
Position is adapted.
10. manhole lid device according to claim 8, which is characterized in that the both ends of the multi-breal switch lock are equipped with installation branch
Frame, the mounting bracket are fixedly mounted on the well seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442479.2A CN108691463B (en) | 2018-05-10 | 2018-05-10 | Multiple switch lock and well lid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442479.2A CN108691463B (en) | 2018-05-10 | 2018-05-10 | Multiple switch lock and well lid device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108691463A true CN108691463A (en) | 2018-10-23 |
| CN108691463B CN108691463B (en) | 2020-04-24 |
Family
ID=63847233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810442479.2A Active CN108691463B (en) | 2018-05-10 | 2018-05-10 | Multiple switch lock and well lid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108691463B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898934A (en) * | 2019-03-14 | 2019-06-18 | 南京华脉科技股份有限公司 | A kind of pattern manhole cover lock of linkage control |
| CN111119244A (en) * | 2019-12-20 | 2020-05-08 | 国网浙江海盐县供电有限公司 | Intelligent substation cable well lid |
| CN111142462A (en) * | 2019-12-20 | 2020-05-12 | 国网浙江海盐县供电有限公司 | Intelligent monitoring linkage cable well lid of transformer substation |
| CN112343436A (en) * | 2020-11-04 | 2021-02-09 | 北京安洁康生物科技有限公司 | Linkage lock of anti-terrorist anti-poison safety water tank cover and unlocking and locking method |
| CN113931531A (en) * | 2021-09-29 | 2022-01-14 | 戴天智能科技（上海）有限公司 | Control switch for intelligent well lid |
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| JP2000303486A (en) * | 1999-04-23 | 2000-10-31 | Haneda Hume Pipe Co Ltd | Locking device of manhole cover |
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| CN111119244A (en) * | 2019-12-20 | 2020-05-08 | 国网浙江海盐县供电有限公司 | Intelligent substation cable well lid |
| CN111142462A (en) * | 2019-12-20 | 2020-05-12 | 国网浙江海盐县供电有限公司 | Intelligent monitoring linkage cable well lid of transformer substation |
| CN111119244B (en) * | 2019-12-20 | 2021-08-27 | 国网浙江海盐县供电有限公司 | Intelligent substation cable well lid |
| CN111142462B (en) * | 2019-12-20 | 2022-07-22 | 国网浙江海盐县供电有限公司 | Intelligent monitoring linkage cable well lid of transformer substation |
| CN112343436A (en) * | 2020-11-04 | 2021-02-09 | 北京安洁康生物科技有限公司 | Linkage lock of anti-terrorist anti-poison safety water tank cover and unlocking and locking method |
| CN113931531A (en) * | 2021-09-29 | 2022-01-14 | 戴天智能科技（上海）有限公司 | Control switch for intelligent well lid |
| CN113931531B (en) * | 2021-09-29 | 2023-08-18 | 戴天智能科技（上海）有限公司 | Control switch for intelligent well lid |
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| CN108691463B (en) | 2020-04-24 |
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