CN117976484B - Automatic reclosing leakage protector - Google Patents
Automatic reclosing leakage protector Download PDFInfo
- Publication number
- CN117976484B CN117976484B CN202410362429.9A CN202410362429A CN117976484B CN 117976484 B CN117976484 B CN 117976484B CN 202410362429 A CN202410362429 A CN 202410362429A CN 117976484 B CN117976484 B CN 117976484B
- Authority
- CN
- China
- Prior art keywords
- fixed
- leakage protector
- box
- air
- power shell
- 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
- 230000001012 protector Effects 0.000 title claims abstract description 69
- 239000000843 powder Substances 0.000 claims abstract description 23
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 30
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Abstract
The invention belongs to the technical field of leakage protectors, in particular to an automatic reclosing leakage protector, aiming at the problem that the existing leakage protector can conduct electricity again only by manually sending a brake again, the invention provides the following scheme. When the leakage protector body heats and burns, the generated dense smoke is sucked into the circulating gas box, the smoke concentration sensor in the air inlet straight pipe detects the dense smoke, the second driving motor reverses at the moment, gas is exhausted upwards through the air inlet straight pipe and pushes the gas blocking cone block to lift, the sliding jacking pipe is ejected out, the gas is discharged into the leakage protector body through the conducting jacking pipe, meanwhile, the dry powder storage box is opened, the dry powder is ejected through the powder spraying pipe, and enters the leakage protector body along with air flow to extinguish the generated flame.
Description
Technical Field
The invention relates to the technical field of leakage protectors, in particular to an automatic reclosing leakage protector.
Background
The leakage protector is an indispensable circuit device in the circuit, the circuit in the main power grid is introduced indoors, the indoor electricity consumption can be detected in real time through the access of the leakage protector, and when the circuit is broken and overloaded, the leakage protector can disconnect the circuit at the first time to prevent the circuit from being further burnt.
The existing leakage protector has the following problems in circuit use: when the existing leakage circuit breaker is used, an overload or short-circuited circuit can be disconnected, but the switching-on process cannot be realized, manual switching-on and switching-off can be conducted again only by switching on and off again, the existing leakage circuit breaker is burnt out when being overloaded, the body of the existing leakage circuit breaker cannot extinguish generated fires, more serious fires can be caused, and the problems are not easy to solve in the prior art, so that the automatic reclosing leakage circuit breaker is needed to solve the problems.
Disclosure of Invention
Based on the technical problem that the existing leakage protector needs to manually send a brake again to conduct electricity again, the invention provides an automatic reclosing leakage protector.
The invention provides an automatic reclosing leakage protector, which comprises a leakage protector body, wherein a power shell which is vertically arranged is fixed on one side of the leakage protector body, a plunger is fixed on a switch push rod of the leakage protector body, a round block hole is formed in the front of the power shell, a rotary driving round block is fixed on the inner wall of the power shell, a plunger sleeve shell is fixed outside the round block hole, the plunger is inserted and fixed in the inside of the plunger sleeve shell, an overhaul port is formed in one side of the power shell, a side cover plate is fixed on one side of the power shell, an exhaust port is formed in the bottom of the side cover plate, temperature detection mechanisms are arranged on the other side of the power shell and the side wall of the side cover plate, a driving round block tooth block is fixed on the circumferential position of the driving round block, the driving round block tooth block is positioned in the power shell, a first driving motor is fixed in the power shell, a driving gear is fixed on an output shaft of the first driving motor, the driving gear is meshed with the driving round block tooth block, and a controller is fixed in the power shell.
Preferably, the temperature detection mechanism comprises an inner fixing plate fixed inside the power shell, four compression springs are fixed on one side of the inner fixing plate, one temperature detection plate is fixed on one side of each compression spring, a temperature sensor is fixed between the inner fixing plate and the temperature detection plate, a detection surface of the temperature sensor is attached to the temperature detection plate, and one temperature detection plate is attached to the side surface of the leakage protector body.
Preferably, the back of the power shell and the back of the leakage protector body are both provided with fixing fasteners.
Preferably, two wiring notches are formed in the top of the power shell, movable conductive metal sheets are fixed in the two wiring notches, the two conductive metal sheets are adjusted to move through screws at the front end, and the two conductive metal sheets are electrically connected with the zero firing line on the leakage protector body respectively.
Preferably, the inner wall of the power shell is fixed with a circulation detection mechanism, and the circulation detection mechanism comprises a circulation air box fixed in the power shell.
Preferably, an air outlet is formed in one side of the circulating air box, an exhaust round box is fixed to the air outlet, the exhaust round box is aligned to the position of the air outlet, the exhaust round box is sleeved in the air outlet and sealed, and an exhaust screen plate is fixed to the end portion of the exhaust round box.
Preferably, the top of circulation gas box is fixed with vertical straight tube that admits air up, the top position cover of straight tube of admitting air is equipped with the top box of admitting air, the inner wall of circulation gas box is fixed with second driving motor, the output shaft of second driving motor is fixed with circulation impeller, the inner wall of admitting air straight tube is fixed with smog concentration sensor.
Preferably, a dry powder storage box is fixed at the top of the circulating air box, a powder spraying pipe is fixed at the discharge hole of the dry powder storage box, and the powder spraying pipe is arranged towards the inside of the air inlet straight pipe.
Preferably, the inside of top box that admits air is located top position cover and is equipped with gliding slip push pipe, the inside of slip push pipe is fixed with keeps off the gas awl piece, the cross-section that keeps off the gas awl piece is the toper structure, and keeps off the tip of gas awl piece towards the top setting, the top gomphosis cover of power casing is equipped with and switches on the push pipe, the bottom that switches on the push pipe aligns with the top box that admits air, and switches on the bottom of push pipe and the top opening assorted of top box that admits air, the other end that switches on the push pipe extends to the inside of earth leakage protector body.
Preferably, an air inlet is formed in the top of the power shell, and an air inlet screen plate is fixed to the position of the power shell at the air inlet.
The beneficial effects of the invention are as follows:
This automatic reclosing leakage protector, when the leakage protector body generates heat and burns out, the dense smoke that produces is inhaled in the circulation gas box, the smog concentration sensor in the straight tube that admits air detects there is the dense smoke, this moment second driving motor reversal, gas upwards exhausts through the straight tube that admits air, and promote and keep off the gas awl piece and rise, ejecting slip push pipe, make gas discharge into the inside of leakage protector body through switching on the push pipe, simultaneously, dry powder storage box inside is opened, dry powder is through the blowout of powder spraying pipe, get into the inside of leakage protector body along the air current, put out the fire of producing.
This automatic reclosing leakage protector, the inside first driving motor of power casing passes through drive gear and drives the drive circle piece and rotate, and then promotes the inserted bar through the inserted bar cover shell and upwards moves for leakage protector body send floodgate circular telegram.
This automatic reclosing leakage protector, when the working process intermediate range of leakage protector body detects overload, the leakage protector body can generate heat, and the temperature pick-up plate of side will lead heat to temperature sensor, and when temperature sensor detects the temperature too high, the controller can produce the signal, through first driving motor control break gate, prevents that overload from burning out the circuit.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an automatic reclosing leakage protector according to the present invention;
fig. 2 is a schematic diagram of the internal structure of a power casing of the automatic reclosing leakage protector according to the present invention;
FIG. 3 is a schematic view of a circulating gas box of the automatic reclosing leakage protector according to the present invention;
Fig. 4 is a schematic diagram of the internal structure of a circulating gas box of the automatic reclosing leakage protector according to the present invention;
FIG. 5 is a schematic diagram of a power casing side structure of the automatic reclosing leakage protector according to the present invention;
fig. 6 is a schematic diagram of a temperature detection plate of the automatic reclosing leakage protector according to the present invention.
In the figure: 1. a power housing; 2. an exhaust port; 3. a side cover plate; 4. a temperature detection plate; 5. an air inlet screen; 6. a wiring notch; 7. a leakage protector body; 8. a rod; 9. a plunger sleeve; 10. driving the round block; 11. a fixing fastener; 12. an exhaust screen; 13. a first driving motor; 14. a drive gear; 15. a circulation gas box; 16. a controller; 17. an air inlet top box; 18. a conductive metal sheet; 19. driving the round block tooth block; 20. an exhaust round box; 21. an air inlet straight pipe; 22. conducting the jacking pipe; 23. sliding push pipes; 24. a gas blocking cone block; 25. a smoke concentration sensor; 26. a powder spraying pipe; 27. a circulation impeller; 28. a second driving motor; 29. a dry powder storage box; 30. a compression spring; 31. an inner fixing plate.
Detailed Description
Referring to fig. 1-6, the automatic reclosing leakage protector comprises a leakage protector body 7, wherein one side of the leakage protector body 7 is fixedly provided with a power shell 1 which is vertically arranged, a push rod 8 is fixed on a switch push rod of the leakage protector body 7, a round block hole is formed in the front surface of the power shell 1, a rotary driving round block 10 is fixed on the inner wall of the power shell 1, a plug rod sleeve 9 is fixed on the outer part of the round block hole, the plug rod 8 is fixedly inserted into the plug rod sleeve 9, an overhaul hole is formed in one side of the power shell 1, a side cover plate 3 is fixed on one side of the power shell 1, an exhaust port 2 is formed in the bottom of the side cover plate 3, temperature detection mechanisms are arranged on the other side of the power shell 1 and the side wall of the side cover plate 3, a driving round block tooth block 19 is fixed on the circumferential position of the driving round block 10, the driving round block tooth block 19 is positioned in the inner part of the power shell 1, a first driving motor 13 is fixed on the inner part of the power shell 1, a driving gear 14 is fixed on the output shaft of the first driving motor 13, an overhaul hole is formed between the driving gear 14 and the driving round block tooth block 19, and a power controller 16 is meshed with the inner part of the power shell 1.
Further, the temperature detection mechanism comprises an inner fixing plate 31 fixed in the power shell 1, four compression springs 30 are fixed on one side of the inner fixing plate 31, one temperature detection plate 4 is fixed on one side of the four compression springs 30, a temperature sensor is fixed between the inner fixing plate 31 and the temperature detection plate 4, a detection surface of the temperature sensor is attached to the temperature detection plate 4, and one temperature detection plate 4 is attached to the side surface of the electric leakage protector body 7;
further, the back of the power shell 1 and the back of the leakage protector body 7 are provided with fixing fasteners 11;
further, two wiring notches 6 are formed in the top of the power shell 1, movable conductive metal sheets 18 are fixed in the two wiring notches 6, the two conductive metal sheets 18 are adjusted to move through screws at the front end, and the two conductive metal sheets 18 are electrically connected with a zero line on the leakage protector body 7 respectively;
further, a circulation detection mechanism is fixed on the inner wall of the power shell 1, and the circulation detection mechanism comprises a circulation gas box 15 fixed inside the power shell 1;
Further, an air outlet is formed in one side of the circulating air box 15, an air exhaust round box 20 is fixed at the air outlet, the air exhaust round box 20 is aligned to the position of the air exhaust port 2, the air exhaust round box 20 is sleeved in the air exhaust port 2 to be sealed, and an air exhaust screen 12 is fixed at the end part of the air exhaust round box 20;
Further, an air inlet straight pipe 21 vertically upwards is fixed at the top of the circulating air box 15, an air inlet top box 17 is sleeved at the top of the air inlet straight pipe 21, a second driving motor 28 is fixed on the inner wall of the circulating air box 15, a circulating impeller 27 is fixed on the output shaft of the second driving motor 28, and a smoke concentration sensor 25 is fixed on the inner wall of the air inlet straight pipe 21;
Further, a dry powder storage box 29 is fixed at the top of the circulating air box 15, a powder spraying pipe 26 is fixed at the discharge hole of the dry powder storage box 29, and the powder spraying pipe 26 is arranged towards the inside of the air inlet straight pipe 21;
Further, a sliding jacking pipe 23 is sleeved at the top position in the air inlet top box 17, an air blocking cone block 24 is fixed in the sliding jacking pipe 23, the cross section of the air blocking cone block 24 is of a conical structure, the tip end of the air blocking cone block 24 is arranged towards the top, a conduction jacking pipe 22 is sleeved in a jogged manner at the top of the power shell 1, the bottom of the conduction jacking pipe 22 is aligned with the air inlet top box 17, the bottom of the conduction jacking pipe 22 is matched with the top opening of the air inlet top box 17, and the other end of the conduction jacking pipe 22 extends to the inside of the electric leakage protector body 7;
Further, an air inlet is formed in the top of the power shell 1, and an air inlet screen 5 is fixed to the position of the power shell 1 at the air inlet.
The invention is used when: the whole is fixed on a distribution frame of the distribution box through a fixing fastener 11, a zero fire wire for entering a user is connected, the outdoor zero fire wire is preferentially connected into two wiring notches 6 at the top of the power shell 1, and then is connected into the leakage protector body 7; after the unexpected leakage protector body 7 detects overload or short-circuit tripping in the working process, the first driving motor 13 in the power shell 1 drives the driving round block 10 to rotate through the driving gear 14, and then the inserted link 8 is pushed to move upwards through the inserted link sleeve 9, so that the leakage protector body 7 is electrified when being switched on; when the overload is detected in the working process of the electric leakage protector body 7, the electric leakage protector body 7 heats, the temperature detection plate 4 on the side face conducts heat to the temperature sensor, when the temperature sensor detects that the temperature is too high, the controller 16 generates a signal, and the first driving motor 13 controls the brake to prevent the overload from burning out a circuit; in the working process, the second driving motor 28 inside drives the circulating impeller 27 to rotate, gas inside the circulating gas box 15 is discharged through the exhaust round box 20, gas is sucked through the position of the gas inlet screen 5 at the top, when the leakage protector body 7 heats and burns out, generated dense smoke is sucked into the circulating gas box 15, the smoke concentration sensor 25 in the gas inlet straight pipe 21 detects the dense smoke, at the moment, the second driving motor 28 is reversed, the gas is exhausted upwards through the gas inlet straight pipe 21 and pushes the gas blocking cone block 24 to rise, the sliding jacking pipe 23 is ejected, the gas is discharged into the leakage protector body 7 through the conducting jacking pipe 22, meanwhile, the dry powder storage box 29 is opened, the dry powder is sprayed out through the powder spraying pipe 26, and enters the inside of the leakage protector body 7 along with the air flow, and the generated flame is extinguished.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The automatic reclosing leakage protector comprises a leakage protector body (7), one side of the leakage protector body (7) is fixedly provided with a power shell (1) which is vertically arranged, and is characterized in that a plug rod (8) is fixed on a switch push rod of the leakage protector body (7), a round block hole is formed in the front of the power shell (1), a rotary driving round block (10) is fixed on the inner wall of the power shell (1), a plug rod sleeve shell (9) is fixed outside the round block hole, the plug rod (8) is inserted into the inside of the plug rod sleeve shell (9) to be fixed, one side of the power shell (1) is provided with an access hole, one side of the power shell (1) is fixedly provided with a side cover plate (3), the bottom of the side cover plate (3) is provided with an air outlet (2), the other side of the power shell (1) and the side wall of the side cover plate (3) are respectively provided with a temperature detection mechanism, the circumference position of the driving round block (10) is fixedly provided with a driving round block tooth block (19), the driving round block tooth block (19) is fixedly arranged in the circumference position of the driving round block (1), the driving round block tooth block (19) is fixedly arranged in the inside of the power shell (1), the driving output shaft (13) is fixedly arranged in the first driving gear (13), the driving gear (14) is meshed with the driving circular block gear block (19), and a controller (16) is fixed in the power shell (1);
the inner wall of the power shell (1) is fixedly provided with a circulation detection mechanism, and the circulation detection mechanism comprises a circulation gas box (15) fixed in the power shell (1);
An air inlet straight pipe (21) which is vertically upwards is fixed at the top of the circulating air box (15), an air inlet top box (17) is sleeved at the top of the air inlet straight pipe (21), a second driving motor (28) is fixed on the inner wall of the circulating air box (15), a circulating impeller (27) is fixed on an output shaft of the second driving motor (28), and a smoke concentration sensor (25) is fixed on the inner wall of the air inlet straight pipe (21);
a dry powder storage box (29) is fixed at the top of the circulating air box (15), a powder spraying pipe (26) is fixed at the discharge hole of the dry powder storage box (29), and the powder spraying pipe (26) is arranged towards the inside of the air inlet straight pipe (21);
the inside of top box (17) that admits air is located top position cover and is equipped with gliding slip push pipe (23), the inside of slip push pipe (23) is fixed with keeps off gas awl piece (24), the cross-section that keeps off gas awl piece (24) is the toper structure, and keeps off the pointed end of gas awl piece (24) towards the top setting, the top gomphosis cover of power casing (1) is equipped with and switches on push pipe (22), the bottom that switches on push pipe (22) aligns with top box (17) that admits air, and the bottom that switches on push pipe (22) matches with the open-top of top box (17) that admits air, the other end that switches on push pipe (22) extends to the inside of earth leakage protector body (7).
2. The automatic reclosing leakage protector according to claim 1, wherein the temperature detection mechanism comprises an inner fixing plate (31) fixed inside the power shell (1), four compression springs (30) are fixed on one side of the inner fixing plate (31), the same temperature detection plate (4) is fixed on one side of the four compression springs (30), a temperature sensor is fixed between the inner fixing plate (31) and the temperature detection plate (4), a detection surface of the temperature sensor is attached to the temperature detection plate (4), and one temperature detection plate (4) is attached to the side face of the leakage protector body (7).
3. The automatic reclosing leakage protector according to claim 2, characterized in that the back of the power housing (1) and the leakage protector body (7) are both provided with fixing fasteners (11).
4. The automatic reclosing leakage protector according to claim 1, wherein two wiring slots (6) are formed in the top of the power housing (1), movable conductive metal sheets (18) are fixed in the two wiring slots (6), the two conductive metal sheets (18) are adjusted to move through screws at the front end, and the two conductive metal sheets (18) are electrically connected with a zero line and a fire line on the leakage protector body (7) respectively.
5. The automatic reclosing leakage protector according to claim 1, wherein an air outlet is formed in one side of the circulating air box (15), an air exhaust round box (20) is fixed at the air outlet, the air exhaust round box (20) is aligned to the position of the air exhaust port (2), the air exhaust round box (20) is sleeved in the air exhaust port (2) to be sealed, and an air exhaust screen (12) is fixed at the end part of the air exhaust round box (20).
6. The automatic reclosing leakage protector according to claim 1, wherein an air inlet is formed in the top of the power shell (1), and an air inlet screen (5) is fixed to the power shell (1) at the position of the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410362429.9A CN117976484B (en) | 2024-03-28 | 2024-03-28 | Automatic reclosing leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410362429.9A CN117976484B (en) | 2024-03-28 | 2024-03-28 | Automatic reclosing leakage protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117976484A CN117976484A (en) | 2024-05-03 |
| CN117976484B true CN117976484B (en) | 2024-06-11 |
Family
ID=90855728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410362429.9A Active CN117976484B (en) | 2024-03-28 | 2024-03-28 | Automatic reclosing leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117976484B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794683A (en) * | 2009-09-29 | 2010-08-04 | 湖北盛佳电器设备有限公司 | Intelligent circuit breaker with automatic switching-in control unit |
| CN101980350A (en) * | 2010-10-18 | 2011-02-23 | 湖北盛佳电器设备有限公司 | Miniature circuit breaker with position state detection function |
| CN204614748U (en) * | 2015-01-09 | 2015-09-02 | 天津广荣电气设备有限公司 | A kind of protection switch |
| CN106057600A (en) * | 2016-08-05 | 2016-10-26 | 上海永继电气股份有限公司 | Reclosing apparatus of circuit breaker |
| CN106935447A (en) * | 2015-12-31 | 2017-07-07 | 上海良信电器股份有限公司 | A kind of electrically operated device |
| CN109003867A (en) * | 2017-06-06 | 2018-12-14 | 人民电器集团上海有限公司 | A kind of breaker preventing skewered |
| CN210403632U (en) * | 2019-09-11 | 2020-04-24 | 安心智能技术股份有限公司 | Electric control cabin of miniature circuit breaker |
| CN210897175U (en) * | 2020-01-10 | 2020-06-30 | 中国电信股份有限公司新疆长途传输局 | Automatic reclosing electric operation device for NB-IOT (NB-IOT) remote control |
| CN211182128U (en) * | 2020-01-10 | 2020-08-04 | 中国电信股份有限公司新疆长途传输局 | Power supply management system for controlling reclosing based on current detection |
| CN113539758A (en) * | 2020-04-17 | 2021-10-22 | 浙江正泰电器股份有限公司 | Automatic closing module of circuit breaker |
| CN215183820U (en) * | 2021-06-28 | 2021-12-14 | 上海长城开关厂有限公司 | Electric leakage reclosing lock with incoming current detection and outgoing current detection functions |
| CN114388285A (en) * | 2022-02-17 | 2022-04-22 | 梅尔工业技术(南京)有限公司 | Intelligent vacuum circuit breaker with self-diagnosis self-protection function |
| CN217237956U (en) * | 2022-01-06 | 2022-08-19 | 华谱联测环境科技宿迁有限公司 | Indoor environment detection equipment with reminding effect |
| CN115528575A (en) * | 2022-09-30 | 2022-12-27 | 山西中州电气股份有限公司 | Control cabinet device for background operation and maintenance of electric power system |
| CN116453913A (en) * | 2023-05-31 | 2023-07-18 | 陈志满 | Circuit breaker for electric power |
| CN117238729A (en) * | 2023-09-28 | 2023-12-15 | 云南电力试验研究院(集团)有限公司 | Circuit breaker with movable contact stable contact and stabilizing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10622178B2 (en) * | 2015-08-12 | 2020-04-14 | Hongxiu Electrical Co., Ltd. | Miniature circuit breaker with automatic opening/closing function |
-
2024
- 2024-03-28 CN CN202410362429.9A patent/CN117976484B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794683A (en) * | 2009-09-29 | 2010-08-04 | 湖北盛佳电器设备有限公司 | Intelligent circuit breaker with automatic switching-in control unit |
| CN101980350A (en) * | 2010-10-18 | 2011-02-23 | 湖北盛佳电器设备有限公司 | Miniature circuit breaker with position state detection function |
| CN204614748U (en) * | 2015-01-09 | 2015-09-02 | 天津广荣电气设备有限公司 | A kind of protection switch |
| CN106935447A (en) * | 2015-12-31 | 2017-07-07 | 上海良信电器股份有限公司 | A kind of electrically operated device |
| CN106057600A (en) * | 2016-08-05 | 2016-10-26 | 上海永继电气股份有限公司 | Reclosing apparatus of circuit breaker |
| CN109003867A (en) * | 2017-06-06 | 2018-12-14 | 人民电器集团上海有限公司 | A kind of breaker preventing skewered |
| CN210403632U (en) * | 2019-09-11 | 2020-04-24 | 安心智能技术股份有限公司 | Electric control cabin of miniature circuit breaker |
| CN211182128U (en) * | 2020-01-10 | 2020-08-04 | 中国电信股份有限公司新疆长途传输局 | Power supply management system for controlling reclosing based on current detection |
| CN210897175U (en) * | 2020-01-10 | 2020-06-30 | 中国电信股份有限公司新疆长途传输局 | Automatic reclosing electric operation device for NB-IOT (NB-IOT) remote control |
| CN113539758A (en) * | 2020-04-17 | 2021-10-22 | 浙江正泰电器股份有限公司 | Automatic closing module of circuit breaker |
| CN215183820U (en) * | 2021-06-28 | 2021-12-14 | 上海长城开关厂有限公司 | Electric leakage reclosing lock with incoming current detection and outgoing current detection functions |
| CN217237956U (en) * | 2022-01-06 | 2022-08-19 | 华谱联测环境科技宿迁有限公司 | Indoor environment detection equipment with reminding effect |
| CN114388285A (en) * | 2022-02-17 | 2022-04-22 | 梅尔工业技术(南京)有限公司 | Intelligent vacuum circuit breaker with self-diagnosis self-protection function |
| CN115528575A (en) * | 2022-09-30 | 2022-12-27 | 山西中州电气股份有限公司 | Control cabinet device for background operation and maintenance of electric power system |
| CN116453913A (en) * | 2023-05-31 | 2023-07-18 | 陈志满 | Circuit breaker for electric power |
| CN117238729A (en) * | 2023-09-28 | 2023-12-15 | 云南电力试验研究院(集团)有限公司 | Circuit breaker with movable contact stable contact and stabilizing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117976484A (en) | 2024-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111864556A (en) | Distribution board capable of being better matched with dry powder fire extinguisher for use | |
| CN208154530U (en) | A kind of Liftable gas range | |
| CN117976484B (en) | Automatic reclosing leakage protector | |
| CN112516493A (en) | Automatic fire extinguishing electric energy meter box using dry powder | |
| CN210688331U (en) | Integrated kitchen with fire protection device | |
| CN201145840Y (en) | Apparatus for linkage of gas water heater and ventilating fan | |
| CN204388151U (en) | A kind of integrated kitchen range with flue fire prevention electronic detection function | |
| CN211238118U (en) | Novel universal circuit breaker | |
| CN114421348A (en) | Looped network switch cabinet | |
| CN1439849A (en) | Rapid safety protector of gas device | |
| CN207006234U (en) | A kind of charcoal igniter | |
| CN2133789Y (en) | Folding cooking fumes removing machine | |
| CN2883979Y (en) | Multifunction energy saving cooker hood | |
| CN204830014U (en) | Explosion -proof lighter of intelligence | |
| CN110071399A (en) | A kind of intelligent socket with lightning protection function | |
| CN104949163B (en) | Flameout control circuit of cooker and cooker utilizing flameout control circuit | |
| CN2285449Y (en) | Fully automatic gas water-heater capable of preventing incomplete combustion | |
| CN218940351U (en) | Possesses intelligent control switch board | |
| CN115912142A (en) | But remote control's intelligent low voltage distribution device | |
| CN210693220U (en) | High-low voltage power distribution cabinet with safeguard function | |
| CN217822545U (en) | Short-circuit-proof high-voltage switch arc-extinguishing device | |
| CN217745434U (en) | Explosion-proof and flame-proof peanut cake meal dedusting air net system | |
| CN212210072U (en) | Intelligent electric control cabinet | |
| CN216121302U (en) | Explosion-proof switch cabinet | |
| CN211122017U (en) | Detection apparatus for multi-functional gas flame-out protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |