CN111009448B - Automatic circuit cutting device for surge phenomenon - Google Patents
Automatic circuit cutting device for surge phenomenon Download PDFInfo
- Publication number
- CN111009448B CN111009448B CN201911424537.XA CN201911424537A CN111009448B CN 111009448 B CN111009448 B CN 111009448B CN 201911424537 A CN201911424537 A CN 201911424537A CN 111009448 B CN111009448 B CN 111009448B
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- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/12—Ventilating; Cooling; Heating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses an automatic circuit cutting device aiming at surge phenomena, which comprises a protection box, wherein a connecting cavity is arranged in the protection box, a coiling device capable of twisting and connecting wires is arranged in the connecting cavity, the coiling device comprises insulating layers which are bilaterally symmetrical and embedded on the inner wall of the connecting cavity, the circuit is combined with an electromagnet, the voltage of the circuit is increased during surge, the current is correspondingly increased to strengthen the magnetic force of the electromagnet, and the two wires which are originally wound into a whole are rotated and separated to disconnect the circuit, meanwhile, the temperature and the pressure in the equipment are timely reduced through an air cooling mode, the service life of internal elements is kept, and the electric wire with excess in the circuit is consumed by the internal resistance of an electric wire, the magnetic force of the electromagnet is reduced, and the equipment is automatically switched on.
Description
Technical Field
The invention relates to the technical field of circuit protection, in particular to an automatic circuit cutting device aiming at a surge phenomenon.
Background
Surge, as the name implies, is a transient overvoltage above the normal operating voltage, which can result in data loss (or damage) and even equipment damage. If the electric conduction is not timely, the insulating sleeve outside the metal wire is burnt, and a fire disaster occurs.
The traditional prevention method is to adopt a relay to automatically trip when the rated voltage is exceeded, so as to protect the circuit. However, after a plurality of times, the elements are affected by corona and the like, the insulation of the corroded parts is reduced, the elements are easy to burn out and cannot play a protection role, in addition, manual reset is needed after single trip protection, and the situation that people contact with a circuit exists during reset, so that potential safety hazards are caused. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
after the relay is used for many times, an internal judgment element is influenced by corona and the like, the insulation of an etched part is reduced, the relay is easy to burn out and cannot play a protection role, and each trip needs to be manually reset.
In order to solve the above problems, the present embodiment provides an automatic circuit breaker against surge phenomena, which comprises a protection box, a connection cavity is arranged in the protection box, a coiling device capable of twisting and connecting wires is arranged in the connection cavity, the coiling device comprises an insulation layer embedded in the inner wall of the connection cavity, electric wires fixed in the insulation layer, a fixed shaft fixed on the inner wall of the right end of the connection cavity, a rotating disk rotatably connected to the fixed shaft and rotatably connected with the electric wires at the left end, a spiral groove penetrating the rotating disk, a metal guide rod slidably connected in the spiral groove, and a core wire connected between the metal guide rod and the insulation layer at the left end, wherein the length of the core wire is unchanged when the rotating disk rotates, therefore, the metal guide rod slides along the spiral groove and winds the core wire on the wire in the left end in a rotating mode, so that the on-off electricity change is achieved, a judgment switch located at the lower end of the insulating layer is arranged in the connecting cavity and comprises a support fixed to the inner wall of the bottom end of the connecting cavity, a driven shaft connected to the support in a sliding mode and two electromagnets fixed to the inner wall of the left end of the connecting cavity and the left end of the driven shaft respectively, when the current in the wire is enhanced, the magnetic force of the electromagnets is increased to repel each other to push the driven shaft to slide rightwards, a valve assembly for opening the inner wall of the upper end of the connecting cavity is arranged in the connecting cavity, and a cooling device located at the rear end of the.
The coiling device further comprises a metal disc which is rotatably connected to the fixed shaft and located at the right end of the rotating disc, a torque spring is connected between the inner wall of the right end of the connecting cavity, a sliding groove is formed in the metal disc and is in sliding connection with the metal guide rod, a reset spring is connected between the sliding groove and the metal guide rod, and a wire which is fixedly connected with the wire is embedded in the inner wall of the right end of the connecting cavity and is in sliding connection with the metal disc and the right end of the connecting cavity.
The judging switch further comprises a driven gear which is fixed at the right end of the driven shaft and can be meshed with the rotating disc, a motor is fixedly arranged on the right side of the support, a transmission shaft is connected to the right end of the motor in a power mode, a driving gear which can be meshed with the driven gear is arranged on the transmission shaft, and a main belt wheel is arranged at the tail end of the right end of the transmission shaft.
Wherein, the valve member including rotate connect in connect the intracavity and be located the drive shaft of support rear end, be equipped with in the drive shaft with the sub-band pulley that the main belt wheel belt is connected, sub-band pulley diameter is greater than the main belt wheel, be equipped with the rotary drum in the drive shaft, be equipped with the wave groove on the rotary drum, it is equipped with the balance plate to connect the intracavity fixation, it is equipped with smooth chamber to link up from top to bottom to the balance plate, sliding connection has in the smooth chamber with wave groove sliding connection's iron set, it has the blow vent to link up to connect chamber top inner wall, four apron that the blow vent internal rotation is connected with horizontal array, the apron lower extreme articulates there is the pull rod, the pull rod lower extreme articulate have with iron set fixed connection.
The cooling device comprises a cooling element which is fixed on the inner wall of the right end of the connecting cavity and can be connected with the iron rod in a sliding mode, the inner wall of the left end of the connecting cavity is rotatably connected with a reversing shaft in belt transmission connection with the driving shaft, the inner wall of the rear end of the connecting cavity is rotatably connected with a fan shaft connected with the reversing shaft bevel gear pair, and an impeller located at the front end of the reversing shaft is arranged on the fan shaft.
The invention has the beneficial effects that: according to the invention, the circuit is combined with the electromagnet, the voltage of the circuit is increased during surge, the current is correspondingly increased to strengthen the magnetic force of the electromagnet, and the electromagnet is repelled to push the limit switch structure, so that the two wires which are originally wound into a whole rotate and are separated, the circuit is disconnected, meanwhile, the temperature and the voltage inside the equipment are timely reduced through the air cooling mode, the service life of internal elements is kept, and after the electricity exceeding the circuit is consumed by the internal resistance of the wire, the magnetic force of the electromagnet is reduced, and the equipment is restored to be automatically connected with the circuit.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic view of the overall structure of an automatic circuit breaker for surge events according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a circuit automatic cut-off device aiming at surge phenomenon, which is mainly applied to the protection process of the circuit automatic cut-off aiming at the surge phenomenon, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to an automatic circuit cutting device aiming at surge phenomena, which comprises a protection box 11, wherein a connecting cavity 12 is arranged in the protection box 11, a coiling device 901 capable of twisting and connecting conducting wires is arranged in the connecting cavity 12, the coiling device 901 comprises insulating layers 14 embedded in the inner wall of the connecting cavity 12 in a bilateral symmetry manner, electric wires 15 fixed in the insulating layers 14, a fixed shaft 28 fixed on the inner wall of the right end of the connecting cavity 12, a rotating disk 31 rotatably connected on the fixed shaft 28 and rotatably connected with the electric wires 15 at the left end, a spiral groove 26 arranged on the rotating disk 31 in a penetrating manner, a metal guide rod 27 connected in the spiral groove 26 in a sliding manner, and a core wire 13 connected between the metal guide rod 27 and the insulating layer 14 at the left end, when the rotating disk 31 rotates, because the length of the core wire 13 is unchanged, the core wire 27 slides along the spiral groove 26, and will heart yearn 13 rotatory winding is in the left end on electric wire 15 to realize the break-make electricity change, be equipped with in the connection chamber 12 and be located the decision switch 902 of insulating layer 14 lower extreme, decision switch 902 is including being fixed in support 18 on the inner wall of connection chamber 12 bottom, sliding connection in driven shaft 17 on the support 18, be fixed in respectively two electro-magnets 16 of connection chamber 12 left end inner wall and driven shaft 17 left end, through when the current in the electric wire 15 strengthens, 16 magnetic force grow of electro-magnets repel each other and promote driven shaft 17 slides to the right, be equipped with in the connection chamber 12 with the valve assembly 903 that the inner wall of connection chamber 12 upper end was opened, be equipped with in the connection chamber 12 and be located the heat sink 904 of insulating layer 14 rear end.
According to an embodiment, the coiling device 901 is described in detail below, the coiling device 901 further includes a metal disc 24 rotatably connected to the fixed shaft 28 and located at the right end of the rotating disc 31, a torque spring 29 is connected between the metal disc 24 and the inner wall of the right end of the connecting cavity 12, a sliding groove 25 slidably connected to the metal guide rod 27 is provided on the metal disc 24, a return spring 47 is connected between the sliding groove 25 and the metal guide rod 27, a lead 30 slidably connected to the metal disc 24 and fixedly connected to the right end of the electric wire 15 is embedded in the inner wall of the right end of the connecting cavity 12, and a circuit between the two left and right ends of the electric wire 15 is closed through the metal guide rod 27, the metal disc 24 and the lead 30.
According to an embodiment, the determination switch 902 is described in detail below, the determination switch 902 further includes a driven gear 22 fixed to a right end of the driven shaft 17 and capable of being engaged with the rotating disc 31, the motor 19 is fixed to the right side of the bracket 18, a transmission shaft 20 is connected to the right end of the motor 19, a driving gear 21 capable of being engaged with the driven gear 22 is disposed on the transmission shaft 20, a primary pulley 23 is disposed at a tail end of the right end of the transmission shaft 20, the driven shaft 17 is driven to slide left and right by a magnetic force change of the electromagnet 16, and the driving gear 21, the driven gear 22 and the rotating disc 31 are engaged for transmission, so that the rotating disc 31 is finally rotated.
According to the embodiment, the valve assembly 903 is described in detail below, the valve assembly 903 includes a driving shaft 36 rotatably connected to the connecting cavity 12 and located at the rear end of the bracket 18, a secondary pulley 41 connected to the primary pulley 23 via a belt is disposed on the driving shaft 36, the diameter of the secondary pulley 41 is larger than that of the primary pulley 23, so that the rotating speed of the driving shaft 36 is lower than that of the transmission shaft 20, a roller 39 is disposed on the driving shaft 36, a wave groove 37 is disposed on the roller 39, a balance plate 35 is fixedly disposed in the connecting cavity 12, a sliding cavity 38 is vertically penetrated through the balance plate 35, an iron rod 40 slidably connected to the wave groove 37 is slidably connected in the sliding cavity 38, an air vent 46 is penetrated through the inner wall of the top end of the connecting cavity 12, four cover plates 45 in a horizontal array are rotatably connected to the air vent 46, and a pull rod 44 is hinged to the, the lower end of the pull rod 44 is hinged with a translation plate 43 fixedly connected with the iron rod 40, the iron rod 40 is shifted to slide in the sliding cavity 38 through the wave slot 37, and the translation plate 43 slides to pull the cover plate 45 to turn through the pull rod 44 so as to open the ventilation port 46.
According to an embodiment, the following detailed description is provided for the cooling device 904, the cooling device 904 includes a cooling element 42 fixed on the inner wall of the right end of the connection cavity 12 and slidably connected to the iron rod 40, the inner wall of the left end of the connection cavity 12 is rotatably connected to a reversing shaft 34 in belt transmission connection with the driving shaft 36, the inner wall of the rear end of the connection cavity 12 is rotatably connected to a fan shaft 32 in bevel gear pair connection with the reversing shaft 34, an impeller 33 located at the front end of the reversing shaft 34 is arranged on the fan shaft 32, the iron rod 40 is cooled by the cooling element 42, the iron rod 40 moves to the front end of the impeller 33, and at this time, the impeller 33 rotates to generate wind to cool through belt transmission and gear pair transmission.
The following describes in detail the use steps of an automatic circuit breaker against surge phenomenon in this document with reference to fig. 1 to 3:
initially, the cover plate 45 is horizontally unfolded to close the vent 46, the iron rod 40 is located at the right end position of the slide chamber 38 and is abutted against the temperature reduction element 42 for temperature reduction, the driving gear 21, the driven gear 22 and the rotating disk 31 are sequentially meshed and connected, and the metal guide rod 27 is located at the innermost circle position of the spiral groove 26 to wind the core wire 13 on the electric wire 15 at the left end, stretch the return spring 47 and the torque spring 29 accumulates elastic potential energy.
During surge, the electromagnet 16 is enhanced in magnetic force due to excessive current, the driven shaft 17 is pushed to slide rightwards, the driven gear 22 is disengaged from the meshing connection between the driving gear 21 and the rotating disc 31, the metal disc 24 is driven to rotate by the elastic force of the torque spring 29, the rotating disc 31 is driven to rotate by the metal disc 24 through the metal guide rod 27, the metal guide rod 27 is driven to move outwards by the elastic force of the return spring 47, the core wire 13 is rotated and dispersed from the electric wire 15 at the left end, the circuit connection is disconnected, the circuit is not circulated any more, the motor 19 starts to rotate the main belt wheel 23 through the transmission shaft 20, the speed is reduced through belt transmission of the main belt wheel 23 and the auxiliary belt wheel 41, the roller 39 is rotated by the driving shaft 36, the iron rod 40 moves leftwards through the sliding connection of the wave groove 37 and the iron rod 40 and moves to the front end of the impeller 33, meanwhile, the translation plate 43, in addition, the driving shaft 36 rotates the reversing shaft 34 by a belt drive and rotates the rotating fan shaft 32 by a bevel gear pair, so that the impeller 33 rotates to blow air to discharge hot air and moisture from the air vent 46.
After the surge is over and the electric power in the circuit is consumed by the internal resistance of the electromagnet 16, the magnetic force of the electromagnet 16 is weakened, so that the driven shaft 17 moves to the left, the driving gear 21, the driven gear 22 and the rotating disk 31 are meshed and connected again, at the moment, the starting motor 19 rotates the driving gear 21 through the transmission shaft 20, and the core wire 13 is wound on the electric wire 15 at the left end again through the transmission of the gear pair to complete the circuit.
The invention has the beneficial effects that: according to the invention, the circuit is combined with the electromagnet, the voltage of the circuit is increased during surge, the current is correspondingly increased to strengthen the magnetic force of the electromagnet, and the electromagnet is repelled to push the limit switch structure, so that the two wires which are originally wound into a whole rotate and are separated, the circuit is disconnected, meanwhile, the temperature and the voltage inside the equipment are timely reduced through the air cooling mode, the service life of internal elements is kept, and after the electricity exceeding the circuit is consumed by the internal resistance of the wire, the magnetic force of the electromagnet is reduced, and the equipment is restored to be automatically connected with the circuit.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (5)
1. The utility model provides a circuit automatic cutout device to surge phenomenon, includes the guard box, its characterized in that: a connecting cavity is arranged in the protection box, and a coiling device capable of stranding and connecting the leads is arranged in the connecting cavity; the coiling device comprises insulating layers which are embedded in the inner wall of the connecting cavity in a bilateral symmetry manner, electric wires fixed in the insulating layers, a fixed shaft fixed on the inner wall of the right end of the connecting cavity, a rotating disk which is rotatably connected to the fixed shaft and is rotatably connected with the electric wires at the left end, a spiral groove which is arranged on the rotating disk in a penetrating manner, a metal guide rod which is connected in the spiral groove in a sliding manner, and a core wire which is connected between the metal guide rod and the insulating layer at the left end, wherein the metal guide rod slides along the spiral groove when the rotating disk rotates because the length of the core wire is unchanged, and the core wire is wound on the electric wires at the left end in a rotating manner, so that the on-; the connection intracavity is equipped with and is located the decision switch of insulating layer lower extreme, the decision switch is including being fixed in support, sliding connection on the connection chamber bottom inner wall driven shaft on the support, be fixed in respectively two electro-magnets of connection chamber left end inner wall and driven shaft left end, through during the current reinforcing in the electric wire, electro-magnet magnetic force grow repels the promotion the driven shaft slides to the right side, be equipped with in the connection intracavity with the valve member that the connection chamber upper end inner wall was opened, be equipped with in the connection intracavity and be located the heat sink of insulating layer rear end.
2. An automatic circuit breaking device against surge phenomenon according to claim 1, wherein: the coiling device further comprises a metal disc which is rotatably connected to the fixed shaft and located at the right end of the rotating disc, a torque spring is connected between the metal disc and the inner wall of the right end of the connecting cavity, a sliding groove which is connected with the metal guide rod in a sliding mode is formed in the metal disc, a reset spring is connected between the sliding groove and the metal guide rod, and a wire which is fixedly connected with the wire and is connected with the right end of the connecting cavity in a sliding mode is embedded in the inner wall of the right end of the connecting cavity.
3. An automatic circuit breaking device against surge phenomenon according to claim 2, wherein: the judging switch further comprises a driven gear which is fixed at the right end of the driven shaft and can be meshed with the rotating disc, a motor is fixedly arranged on the right side of the support, a transmission shaft is connected to the right end of the motor in a power mode, a driving gear which can be meshed with the driven gear is arranged on the transmission shaft, and a main belt wheel is arranged at the tail end of the right end of the transmission shaft.
4. A circuit automatic breaking device against a surge phenomenon as claimed in claim 3, wherein: the valve member including rotate connect in connect the intracavity and be located the drive shaft of support rear end, be equipped with in the drive shaft with the auxiliary pulley that the main belt wheel belt is connected, auxiliary pulley diameter is greater than the main belt wheel, be equipped with the rotary drum in the drive shaft, be equipped with the wave groove on the rotary drum, it is equipped with the balancing plate to connect the intracavity fixation, the balancing plate link up from top to bottom and is equipped with smooth chamber, sliding connection in the chamber have with wave groove sliding connection's iron set, it is equipped with the blow vent to connect chamber top inner wall to link up, four apron that the blow vent internal rotation is connected with horizontal array, the apron lower extreme articulates there is the pull rod, the pull rod lower extreme articulate have with iron set fixed connection's translation board.
5. An automatic circuit breaking device against surge phenomenon according to claim 4, wherein: the cooling device comprises a cooling element which is fixed on the inner wall of the right end of the connecting cavity and can be connected with the iron rod in a sliding mode, the inner wall of the left end of the connecting cavity is rotatably connected with a reversing shaft in belt transmission connection with the driving shaft, the inner wall of the rear end of the connecting cavity is rotatably connected with a fan shaft connected with the reversing shaft bevel gear pair, and an impeller located at the front end of the reversing shaft is arranged on the fan shaft.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911424537.XA CN111009448B (en) | 2019-12-31 | 2019-12-31 | Automatic circuit cutting device for surge phenomenon |
| GBGB2006324.4A GB202006324D0 (en) | 2019-12-31 | 2020-04-30 | A circuit automatic cut-off device for surge phenomenon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911424537.XA CN111009448B (en) | 2019-12-31 | 2019-12-31 | Automatic circuit cutting device for surge phenomenon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111009448A CN111009448A (en) | 2020-04-14 |
| CN111009448B true CN111009448B (en) | 2020-08-07 |
Family
ID=70120310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911424537.XA Active CN111009448B (en) | 2019-12-31 | 2019-12-31 | Automatic circuit cutting device for surge phenomenon |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111009448B (en) |
| GB (1) | GB202006324D0 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002609A (en) * | 2020-07-10 | 2020-11-27 | 河北工业大学 | High-voltage direct-current relay device with heat dissipation structure |
| CN111900582B (en) * | 2020-07-16 | 2022-03-08 | 安徽渡江电缆集团有限公司 | High-pressure explosion-proof computer cable |
| CN112230041B (en) * | 2020-10-19 | 2023-01-13 | 广东海洋大学 | Voltage detection device with overload protection mechanism for electrical equipment maintenance |
| CN113917231A (en) * | 2021-09-29 | 2022-01-11 | 李春娥 | An anti-high voltage electric shock base suitable for DC electronic insulation resistance meter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8855293B2 (en) * | 2012-06-21 | 2014-10-07 | Centurylink Intellectual Property Llc | Frame injected DSL via face fed protector module |
| KR101389709B1 (en) * | 2012-11-15 | 2014-04-28 | (주)엠에스테크비젼 | Repeatable fuse for preventing over-current and absorbing surge |
| CN103855695B (en) * | 2012-12-05 | 2017-09-29 | 孙巍巍 | A kind of surge protector |
| CN208257381U (en) * | 2018-04-28 | 2018-12-18 | 深圳市海鹏信电子股份有限公司 | A kind of surge protection device and surge protection device |
| CN209119805U (en) * | 2018-09-07 | 2019-07-16 | 杭州欧德朗智能科技有限公司 | Surge protection device |
| CN209571373U (en) * | 2019-05-10 | 2019-11-01 | 广东远雷电子科技有限公司 | A kind of surge protector thermal release device |
-
2019
- 2019-12-31 CN CN201911424537.XA patent/CN111009448B/en active Active
-
2020
- 2020-04-30 GB GBGB2006324.4A patent/GB202006324D0/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| GB202006324D0 (en) | 2020-06-17 |
| CN111009448A (en) | 2020-04-14 |
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Effective date of registration: 20200710 Address after: 211300 No. 8 Flower Hill Road, Gaochun Economic Development Zone, Nanjing, Jiangsu Applicant after: NANJING SINCERE TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: No. 64, Shendu village, Dongfang Town, Jinyun County, Lishui City, Zhejiang Province Applicant before: Jinyun yepu Electronic Technology Co.,Ltd. |
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Address after: No. 8, Huashan Road, Gaochun Economic Development Zone, Nanjing City, Jiangsu Province, 211300 Patentee after: Jiangsu Xunhui Technology Co.,Ltd. Address before: No. 8, Huashan Road, Gaochun Economic Development Zone, Nanjing City, Jiangsu Province, 211300 Patentee before: NANJING SINCERE TECHNOLOGY DEVELOPMENT CO.,LTD. |
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Address after: Building 1, No. 35 Xiushan Road, Economic Development Zone, Gaochun District, Nanjing City, Jiangsu Province, 211300 Patentee after: Jiangsu Xunhui Technology Co.,Ltd. Address before: No. 8, Huashan Road, Gaochun Economic Development Zone, Nanjing City, Jiangsu Province, 211300 Patentee before: Jiangsu Xunhui Technology Co.,Ltd. |