CN111343435A - Monitoring equipment with hidden power supply and use method - Google Patents
Monitoring equipment with hidden power supply and use method Download PDFInfo
- Publication number
- CN111343435A CN111343435A CN202010224011.3A CN202010224011A CN111343435A CN 111343435 A CN111343435 A CN 111343435A CN 202010224011 A CN202010224011 A CN 202010224011A CN 111343435 A CN111343435 A CN 111343435A
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- Prior art keywords
- power supply
- monitoring device
- fixedly connected
- rotating shaft
- bearing
- 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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- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 8
- 238000012806 monitoring device Methods 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Studio Devices (AREA)
Abstract
The invention belongs to the technical field of monitoring equipment, and particularly relates to monitoring equipment with a hidden power supply, which comprises a monitoring device, wherein a first groove and a placing groove are formed in the side surface of the monitoring device, a power supply is arranged in the placing groove, the top and the bottom of the inner wall of the first groove are fixedly connected with a second bearing, a second rotating shaft penetrates through the second bearing, and the opposite end of the second rotating shaft is fixedly connected with a screw rod; according to the device, the micro motor works, the purpose of driving the monitoring device to rotate is achieved, and the purpose of monitoring in multiple directions is achieved.
Description
Technical Field
The invention belongs to the technical field of monitoring equipment, and particularly relates to monitoring equipment with a hidden power supply and a using method of the monitoring equipment.
Background
The monitoring is one of the most applied systems in the security system, and is composed of a front end part and a control part, a video system is formed by a whole set of monitoring equipment such as a camera, a video recorder, a monitor, a switch, a network cable and the like to realize the monitoring purpose of people, the monitoring can be almost applied to all industries, and great convenience is brought to the life, work and production of people.
The mode that current supervisory equipment used adopts apron and power groove lock joint to carry out the connection is mostly adopted to the power, and is fixed unstable, very easily leads to the power to expose, and hidden nature is relatively poor, and fragile can't bring very big inconvenience for the use according to guarantee life.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides monitoring equipment with a hidden power supply and a using method thereof, and the monitoring equipment has the characteristic of good using effect.
In order to achieve the purpose, the invention provides the following technical scheme: a monitoring device with a hidden power supply comprises a monitoring device, wherein a first groove and a placing groove are formed in the side surface of the monitoring device, a power supply is arranged in the placing groove, a second bearing is fixedly connected to the top and the bottom of the inner wall of the first groove, a second rotating shaft penetrates through the second bearing, a lead screw is fixedly connected to the opposite end of the second rotating shaft, a threaded sleeve is connected to the surface of the lead screw in a threaded manner, a cover plate is fixedly connected to the threaded sleeve, a first rotating shaft is fixedly connected to the bottom of the monitoring device, a first bearing penetrates through the surface of the first rotating shaft, a shell is fixedly connected to the surface of the first bearing, a micro motor is fixedly connected to the interior of the shell, the bottom end of the first rotating shaft penetrates through the first bearing and is fixedly connected with an output shaft of the micro motor, and a support arm is fixedly, and the side surface of the supporting arm is fixedly connected with a mounting plate.
Preferably, a threaded hole is formed in the mounting plate, and a fixing screw is connected to the threaded hole in an internal thread mode.
Preferably, the top end of the second rotating shaft penetrates through the second bearing and is fixedly connected with a handle, anti-slip lines are arranged on the surface of the handle, a third groove is formed in the top of the monitoring device, and the handle is located in the third groove.
Preferably, a second groove is formed in the side face of the monitoring device, a sliding rod is fixedly connected to the inner wall of the second groove, a sliding sleeve is connected to the surface of the sliding rod in a sliding mode, and the sliding sleeve is fixedly connected with the cover plate.
Preferably, the monitoring device is provided with an operation panel, and the operation panel is electrically connected with the micro motor through a lead.
Preferably, the monitoring device with the hidden power supply and the use method thereof comprise the following use steps:
firstly, setting the rotation frequency of a micro motor through a control panel, controlling the rotation frequency through a microprocessor, placing a power supply in a placing groove, rotating a handle to drive a screw rod to rotate, driving a cover plate to move downwards through a threaded sleeve and a sliding sleeve, and sealing the placing groove to hide the power supply;
secondly, the monitoring device is installed and fixed by penetrating a fixing bolt through a threaded hole in the installation plate and pricking an external wall;
thirdly, controlling the micro motor to work through the microprocessor by the control panel, and driving the monitoring device to rotate according to the set frequency by the rotating shaft to realize the aim of multi-directional monitoring;
and step four, when the power supply needs to be replaced or charged, the handle is reversely rotated manually to drive the screw rod to rotate, so that the threaded sleeve and the sliding sleeve drive the cover plate to move upwards, and the power supply is taken out to be replaced and charged.
Compared with the prior art, the invention has the beneficial effects that:
the invention can drive the second rotating shaft to rotate by the rotation of the handle, further drive the screw rod to rotate, drive the threaded sleeve to drive the cover plate to move up and down by the sliding fit of the sliding rod and the sliding sleeve, realize the sealing of the placing groove and the hiding of the power supply, has strong fixing stability, can be more stably matched with the up and down movement of the threaded sleeve by the sliding action of the sliding rod and the sliding sleeve, can increase the friction force between the hand of a person and the handle by arranging the anti-skidding threads, avoids the sliding condition, realizes the hidden use of the power supply by adopting the screw rod, the threaded sleeve, the sliding rod, the sliding sleeve, the cover plate and the placing groove, improves the hidden stability, and by arranging the micro motor and the first rotating shaft, the rotation of the monitoring device is realized, the purpose of multi-directional monitoring is achieved, the whole device is reasonable in structure, convenient to use and high in practicability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a front view cross section of the present invention;
FIG. 2 is a side view of the monitoring device of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A in accordance with the present invention;
in the figure: 1. a monitoring device; 2. a housing; 3. a micro motor; 4. a first rotating shaft; 5. a first bearing; 6. a support arm; 7. a set screw; 8. a threaded hole; 9. mounting a plate; 10. a control panel; 11. a second bearing; 12. a threaded sleeve; 13. a screw rod; 14. a first groove; 15. a cover plate; 16. a slide bar; 17. a sliding sleeve; 18. a second groove; 19. a power source; 20. a placement groove; 21. a handle; 22. a third groove; 23. a second rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a monitoring device with a hidden power supply comprises a monitoring device 1, wherein a first groove 14 and a placing groove 20 are formed in the side face of the monitoring device 1, a power supply 19 is arranged in the placing groove 20, a second bearing 11 is fixedly connected to the top and the bottom of the inner wall of the first groove 14, a second rotating shaft 23 penetrates through the second bearing 11, the second rotating shaft 23 can be driven to rotate under the rotation of a handle 21, a screw rod 13 is further driven to rotate, a threaded sleeve 12 can drive a cover plate 15 to move up and down by means of the sliding fit of a sliding rod 16 and a sliding sleeve 17, the sealing of the placing groove 20 and the hiding of the power supply 19 are achieved, the fixing stability is high, a screw rod 13 is fixedly connected to the opposite end of the second rotating shaft 23, a threaded sleeve 12 is connected to the surface of the screw rod 13 through threads, the cover plate 15 is fixedly connected to the threaded sleeve 12, a first rotating shaft 4 is fixedly connected, the surface of the first rotating shaft 4 is provided with a first bearing 5 in a penetrating way, the surface of the first bearing 5 is fixedly connected with a shell 2, the interior of the shell 2 is fixedly connected with a micro motor 3, the micro motor 3 works and can rotate through the first rotating shaft 4, so that the purpose of driving the monitoring device 1 to rotate is achieved, the purpose of monitoring in multiple directions is achieved, the bottom end of the first rotating shaft 4 penetrates through the first bearing 5 to be fixedly connected with an output shaft of the micro motor 3, the media safety of the shell 2 is fixedly connected with a supporting arm 6, the side surface of the supporting arm 6 is fixedly connected with a mounting plate 9, the device adopts a lead screw 13, a threaded sleeve 12, a sliding rod 16, a sliding sleeve 17, a cover plate 15 and a placing groove 20, the hidden use of a power supply 19 is achieved, meanwhile, the hidden stability is improved, and the rotation of the monitoring device 1 is achieved by arranging the micro motor, the purpose of multi-directional monitoring is achieved, the whole device is reasonable in structure, convenient to use and high in practicability.
Specifically, threaded hole 8 is seted up on mounting panel 9, threaded hole 8 female connection has set screw 7, through set screw 7, can realize the convenient dismouting to monitoring device 1.
Specifically, second bearing 11 and fixedly connected with handle 21 are passed on the top of second pivot 23, the surface of handle 21 is provided with anti-skidding line, third recess 22 has been seted up at monitoring device 1's top, handle 21 is located third recess 22, through setting up anti-skidding line, can increase the frictional force between people's hand and the handle 21, avoids appearing the slip condition.
Specifically, second recess 18 has been seted up to monitoring device 1's side, second recess 18 inner wall fixedly connected with slide bar 16, slide bar 16's surperficial sliding connection has sliding sleeve 17, sliding sleeve 17 and apron 15 fixed connection, with the help of slide bar 16 and sliding sleeve 17's sliding action, can cooperate thread bush 12 to reciprocate more stably.
Specifically, be provided with on monitoring device 1 and control panel 10, control panel 10 and micro motor 3 through wire electric connection, control panel 10 through the setting, be convenient for through setting for micro motor 3's rotational frequency.
Specifically, the monitoring equipment with the hidden power supply and the use method thereof comprise the following use steps:
firstly, setting the rotation frequency of the micro motor 3 through the control panel 10, controlling the rotation frequency through a microprocessor, placing a power supply 19 in a placing groove 20, rotating a handle 21 to drive a screw rod 13 to rotate, enabling a threaded sleeve 12 and a sliding sleeve 17 to drive a cover plate 15 to move downwards, sealing the placing groove 20, and achieving the purpose of hiding and placing the power supply 19;
secondly, a fixing bolt penetrates through a threaded hole 8 in the mounting plate 9 and is pricked into an external wall, so that the monitoring device 1 is mounted and fixed;
thirdly, the micro motor 3 is controlled to work through the control panel 10 and the microprocessor, and the monitoring device 1 is driven to rotate according to the set frequency through the rotating shaft, so that the aim of multi-directional monitoring is fulfilled;
and step four, when the power supply 19 needs to be replaced or the power supply 19 needs to be charged, the screw rod 13 is driven to rotate by manually rotating the handle 21 in the reverse direction, the threaded sleeve 12 and the sliding sleeve 17 drive the cover plate 15 to move upwards, and the power supply 19 is taken out for replacement and charging.
The working principle and the using process of the invention are as follows: the invention firstly sets the rotation frequency of the micro motor 3 through the control panel 10 and is controlled by a microprocessor, the power supply 19 is placed in the placing groove 20, the handle 21 is rotated to drive the screw rod 13 to rotate, the screw sleeve 12 and the sliding sleeve 17 drive the cover plate 15 to move downwards, the placing groove 20 is sealed to hide the power supply 19, then the fixing bolt passes through the threaded hole 8 on the mounting plate 9 and is pricked into the outer wall to realize the mounting and fixing of the monitoring device 1, the micro motor 3 is controlled by the microprocessor through the control panel 10, the monitoring device 1 is driven to rotate according to the set frequency through the rotating shaft to realize the multi-azimuth monitoring purpose, when the power supply 19 needs to be replaced or the power supply 19 is charged, the handle 21 is manually rotated reversely to drive the screw rod 13 to rotate, so that the screw sleeve 12 and the sliding sleeve 17 drive the cover plate 15 to move upwards, the power supply 19 is taken out and replaced for charging.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (6)
1. A monitoring device with a hidden power supply, comprising a monitoring apparatus (1), characterized in that: the side surface of the monitoring device (1) is provided with a first groove (14) and a placing groove (20), a power supply (19) is arranged in the placing groove (20), the top and the bottom of the inner wall of the first groove (14) are fixedly connected with a second bearing (11), a second rotating shaft (23) is arranged in the second bearing (11) in a penetrating manner, the opposite end of the second rotating shaft (23) is fixedly connected with a lead screw (13), the surface thread of the lead screw (13) is connected with a threaded sleeve (12), the threaded sleeve (12) is fixedly connected with a cover plate (15), the bottom of the monitoring device (1) is fixedly connected with a first rotating shaft (4), the surface of the first rotating shaft (4) is provided with a first bearing (5) in a penetrating manner, the surface of the first bearing (5) is fixedly connected with a shell (2), and a micro motor (3) is fixedly connected in the shell (2, the bottom of first pivot (4) passes first bearing (5) and micro motor (3) output shaft fixed connection, the media of casing (2) ann fixedly connected with support arm (6), the side fixedly connected with mounting panel (9) of support arm (6).
2. A monitoring device with a hidden power supply as claimed in claim 1, characterized in that: threaded holes (8) are formed in the mounting plate (9), and fixing screws (7) are connected to the threaded holes (8) in an internal thread mode.
3. A monitoring device with a hidden power supply as claimed in claim 1, characterized in that: the top end of the second rotating shaft (23) penetrates through the second bearing (11) and is fixedly connected with a handle (21), anti-slip grains are arranged on the surface of the handle (21), a third groove (22) is formed in the top of the monitoring device (1), and the handle (21) is located in the third groove (22).
4. A monitoring device with a hidden power supply as claimed in claim 1, characterized in that: second recess (18) have been seted up to monitoring device (1) side, second recess (18) inner wall fixedly connected with slide bar (16), the surperficial sliding connection of slide bar (16) has sliding sleeve (17), sliding sleeve (17) and apron (15) fixed connection.
5. A monitoring device with a hidden power supply as claimed in claim 1, characterized in that: the monitoring device (1) is provided with an operation panel (10), and the operation panel (10) is electrically connected with the micro motor (3) through a lead.
6. The monitoring device with the hidden power supply and the use method thereof according to claim 1, wherein the use steps are as follows:
firstly, setting the rotation frequency of a micro motor (3) through a control panel (10), controlling the rotation frequency through a microprocessor, placing a power supply (19) in a placing groove (20), rotating a handle (21) to drive a screw rod (13) to rotate, enabling a threaded sleeve (12) and a sliding sleeve (17) to drive a cover plate (15) to move downwards, sealing the placing groove (20) and hiding the power supply (19);
secondly, a fixing bolt penetrates through a threaded hole (8) in the mounting plate (9) and is pricked into an external wall, so that the monitoring device (1) is mounted and fixed;
thirdly, the micro motor (3) is controlled to work through the control panel (10) through the microprocessor, and the monitoring device (1) is driven to rotate according to the set frequency through the rotating shaft, so that the aim of multi-directional monitoring is fulfilled;
and step four, when the power supply (19) needs to be replaced or the power supply (19) is charged, the screw rod (13) is driven to rotate by manually reversely rotating the handle (21), so that the threaded sleeve (12) and the sliding sleeve (17) drive the cover plate (15) to move upwards, and the power supply (19) is taken out to be replaced and charged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224011.3A CN111343435B (en) | 2020-03-26 | 2020-03-26 | Monitoring equipment with hidden power supply and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224011.3A CN111343435B (en) | 2020-03-26 | 2020-03-26 | Monitoring equipment with hidden power supply and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111343435A true CN111343435A (en) | 2020-06-26 |
| CN111343435B CN111343435B (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010224011.3A Active CN111343435B (en) | 2020-03-26 | 2020-03-26 | Monitoring equipment with hidden power supply and use method |
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| Country | Link |
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| CN (1) | CN111343435B (en) |
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| US20150160715A1 (en) * | 2012-06-20 | 2015-06-11 | Intel Corporation | Power gating functional units of a processor |
| CN107215464A (en) * | 2017-06-27 | 2017-09-29 | 深圳市雷凌广通技术研发有限公司 | A kind of intelligent unmanned plane with long battery life |
| CN107388128A (en) * | 2017-08-30 | 2017-11-24 | 惠勇 | A kind of LED drive power for LED light modulating devices |
| CN107994151A (en) * | 2017-11-26 | 2018-05-04 | 合肥国盛电池科技有限公司 | A kind of lithium battery kit |
| CN109677559A (en) * | 2017-10-19 | 2019-04-26 | 天津市超王科技发展有限公司 | A kind of stealth cell apparatus |
| CN209861007U (en) * | 2019-06-24 | 2019-12-27 | 南京铁道职业技术学院 | Remote control monitoring device with standby power supply |
-
2020
- 2020-03-26 CN CN202010224011.3A patent/CN111343435B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150160715A1 (en) * | 2012-06-20 | 2015-06-11 | Intel Corporation | Power gating functional units of a processor |
| CN107215464A (en) * | 2017-06-27 | 2017-09-29 | 深圳市雷凌广通技术研发有限公司 | A kind of intelligent unmanned plane with long battery life |
| CN107388128A (en) * | 2017-08-30 | 2017-11-24 | 惠勇 | A kind of LED drive power for LED light modulating devices |
| CN109677559A (en) * | 2017-10-19 | 2019-04-26 | 天津市超王科技发展有限公司 | A kind of stealth cell apparatus |
| CN107994151A (en) * | 2017-11-26 | 2018-05-04 | 合肥国盛电池科技有限公司 | A kind of lithium battery kit |
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| Publication number | Publication date |
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| CN111343435B (en) | 2021-02-05 |
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