CN113470911B - A new type of 10KV lightning arrester with no energy consumption and low residual voltage and its use method - Google Patents
A new type of 10KV lightning arrester with no energy consumption and low residual voltage and its use method Download PDFInfo
- Publication number
- CN113470911B CN113470911B CN202110833940.9A CN202110833940A CN113470911B CN 113470911 B CN113470911 B CN 113470911B CN 202110833940 A CN202110833940 A CN 202110833940A CN 113470911 B CN113470911 B CN 113470911B
- Authority
- CN
- China
- Prior art keywords
- electrode
- electromagnet
- varistor
- discharge
- discharge electrode
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors; Arresters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors; Arresters
- H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Abstract
本发明公开了一种无能耗低残压新型10KV避雷器及使用方法，涉及电气工程技术领域，所述避雷器包括壳体，所述壳体内部顶端设置有第一电极，所述第一电极底面设置有第一压敏电阻，所述第一压敏电阻底部通过导线连接有第一放电电极，所述第一压敏电阻底部还设置有第一绝缘块，所述第一绝缘块内部设置有多个上插槽与多个下插槽，所述上插槽与下插槽之间设置有放电间隙，所述第一放电电极设置于放电间隙的一侧，所述放电间隙远离第一放电电极的一侧设置有第二放电电极，所述第一绝缘块底部设置有电磁铁。本实用通过设置放电间隙，在未遭到雷击的情况下，避雷器为断路状态，不损耗配电网现有电能，有效的降低电网雷电事故,为防雷减灾提供保障。
The present invention discloses a new type of 10KV lightning arrester with no energy consumption and low residual voltage and a method of using the same, which relates to the field of electrical engineering technology. The lightning arrester comprises a shell, a first electrode is arranged at the top of the shell, a first varistor is arranged at the bottom of the first electrode, a first discharge electrode is connected to the bottom of the first varistor through a wire, a first insulating block is also arranged at the bottom of the first varistor, a plurality of upper slots and a plurality of lower slots are arranged inside the first insulating block, a discharge gap is arranged between the upper slots and the lower slots, the first discharge electrode is arranged at one side of the discharge gap, a second discharge electrode is arranged at the side of the discharge gap away from the first discharge electrode, and an electromagnet is arranged at the bottom of the first insulating block. The utility model sets a discharge gap, and when not struck by lightning, the lightning arrester is in an off-circuit state, does not consume the existing electric energy of the distribution network, effectively reduces lightning accidents in the power grid, and provides protection for lightning protection and disaster reduction.
Description
Technical Field
The invention belongs to the technical field of electrical engineering, relates to a lightning arrester technology, and particularly relates to a novel 10KV lightning arrester with no energy consumption and low residual voltage and a use method thereof.
Background
Along with the popularization of precision microelectronic equipment applied in the world, lightning overvoltage often forms a great threat to the safety of the equipment, the high-voltage lightning arresters used in the market at present are all made of zinc oxide piezoresistors, and the inherent defects of the zinc oxide piezoresistors are that residual voltage is high, so that lightning tripping and lightning breakage accidents easily occur on a circuit, or insulation resistance is reduced due to the fact that an arc is generated at the edge of an insulator, so that the insulator consumes electric energy for a long time, and in severe cases, the continuous power supply of a power distribution network is seriously affected when the transformer is damaged by lightning to cause a fire accident.
Therefore, a novel 10KV lightning arrester without energy consumption and with low residual voltage and a use method thereof are provided by the person skilled in the art, so that the problems in the background art are solved.
Disclosure of Invention
The invention aims to provide a novel 10KV lightning arrester without energy consumption and with low residual voltage and a use method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a novel 10KV arrester of low residual voltage of no energy consumption, includes the casing, the inside top of casing is provided with first electrode, first electrode bottom surface is provided with first piezo-resistor, first piezo-resistor bottom is connected with first discharge electrode through the wire, first piezo-resistor bottom still is provided with first insulating piece, the inside slot and the a plurality of slot down of being provided with of first insulating piece, go up and be provided with the discharge gap between slot and the slot down, first discharge electrode sets up in one side of discharge gap, one side that discharge gap kept away from first discharge electrode is provided with the second discharge electrode, first insulating piece bottom is provided with the electro-magnet, the inside push rod that is provided with in electro-magnet center, the one end fixedly connected with ejector pad that the electro-magnet was stretched out to the push rod, the top surface of ejector pad is provided with a plurality of inserted sheets, the one end that the inserted sheet kept away from the ejector pad is inserted down in the slot.
As still further aspects of the invention: the electromagnet comprises an insulating shell and a coil, the coil is wound in the insulating shell, a return pin is further arranged in the electromagnet, the top of the return pin is fixedly connected with a push rod, a return spring is sleeved at one end of the push rod, which is positioned on the electromagnet, and two ends of the return spring are respectively connected with the insulating shell and the return pin.
As still further aspects of the invention: the coil extends to the outside of insulating housing and has first joint and second joint, first joint electric connection has the second electrode, second joint electric connection has the second piezo-resistor.
As still further aspects of the invention: a second insulating block is arranged between the second piezoresistor and the electromagnet, and one surface of the second piezoresistor, which is away from the second insulating block, is attached to the second electrode.
As still further aspects of the invention: the second discharge electrode is electrically connected with the second piezoresistor through a lead.
As still further aspects of the invention: the shell and the inserting piece are both made of high-voltage insulating materials.
As still further aspects of the invention: the number of the upper slots and the lower slots is 1-8.
The application method of the novel 10KV lightning arrester without energy consumption and with low residual voltage comprises the following steps:
S1, when lightning passes through a lightning arrester, high-voltage electricity flows through a first electrode to be guided to a first piezoresistor and then is conducted to a first discharge electrode through a lead;
S2, after the first discharge electrode receives the high-voltage current, discharging is generated, the first discharge electrode is communicated with the second discharge electrode through a discharge gap, and the second discharge electrode guides the current to the second piezoresistor;
S3, the first connector and the second connector of the electromagnet are respectively connected with the second electrode and the second piezoresistor to form a closed loop, and under the condition of electrifying, a magnetic field is generated inside the electromagnet to push the push rod to push out;
S4, the push rod drives the push block and the inserting sheet to move upwards, the push block and the inserting sheet are inserted into the upper slot from the lower slot to block the discharge gap, the voltages at two ends of the second piezoresistor disappear simultaneously, and the magnetic field inside the electromagnet disappears;
s5, after the thrust disappears, the return pin and the return spring drive the push rod and the inserting piece to return to the initial state, and one-time work is completed.
Compared with the prior art, the invention has the beneficial effects that:
The lightning arrester can be used in various grounding systems of a power distribution network, the lightning arrester is in an open-circuit state under the condition of not suffering lightning stroke by arranging the discharge gap, the existing electric energy of the power distribution network is not consumed, the first discharge electrode generates discharge under the condition of high voltage during the lightning stroke, the discharge gap is communicated with the second discharge electrode, the electromagnet forms a closed loop, a magnetic field is formed inside the electromagnet, the push rod is pushed to drive the insulating insert to block the discharge gap, so that the current is interrupted, the second voltage dependent resistor is led into the bottom surface through the second electrode, the tragic pressure is reduced, the circuit tripping or the burning is avoided, the magnetic field inside the electromagnet is disappeared, the insert returns to the original position, the electric energy is not consumed in the use process, the lightning accident of the power grid is effectively reduced, and the guarantee is provided for lightning protection and disaster reduction.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a diagram of the whole structure of a novel 10KV lightning arrester with no energy consumption and low residual voltage;
fig. 2 is a detailed view A of the whole of the novel 10KV lightning arrester without energy consumption and with low residual voltage.
In the figure: 1. a housing; 2. a first electrode; 3. a first varistor; 4. a first insulating block; 41. an upper slot; 42. a lower slot; 43. a discharge gap; 44. a first discharge electrode; 5. a second discharge electrode; 6. an electromagnet; 61. a coil; 62. an insulating housing; 7. inserting sheets; 8. a pushing block; 9. a return pin; 10. a push rod; 11. a second insulating block; 12. a second varistor; 13. a second electrode; 14. a first joint; 15. a second joint; 16. and a return spring.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
Examples: referring to fig. 1-2, a novel 10KV lightning arrester without energy consumption and with low residual voltage comprises a casing 1, wherein a first electrode 2, a first piezoresistor 3, a first insulating block 4, an electromagnet 6, a second insulating block 11, a second piezoresistor 12 and a second electrode 13 are sequentially arranged in the casing 1, the first electrode 2 is tightly attached to the first piezoresistor 3, a wire is arranged below the first piezoresistor 3 and connected with a first discharge electrode 44 and extends into the first insulating block 4, an upper slot 41 and a lower slot 42 are correspondingly arranged in the first insulating block 4, a discharge gap 43 is formed between the upper slot 41 and the lower slot 42, the first discharge electrode 44 is positioned at one end of the discharge gap 43, a second discharge electrode 5 is arranged at one end of the discharge gap 43 away from the first discharge electrode 44, the second discharge electrode 5 is communicated with the second piezoresistor 12 through the wire, and in case of lightning strike, under the condition of high-voltage current, the first discharge electrode 44 starts to discharge and is communicated with the second discharge electrode 5 through the discharge gap 43 so as to be further conducted to the second piezoresistor 12, under the daily condition, the discharge gap 43 is arranged to enable the two discharge electrodes to be in a disconnected state, the existing power grid energy consumption cannot be lost, when the power is not on, a plurality of inserting sheets 7 are inserted into the lower inserting slot 42, a pushing block 8 is fixedly connected below the inserting sheets 7, the pushing block 8 is fixedly connected with the pushing rod 10, the electromagnet 6 below the first insulating block 4 comprises a coil 61 and an insulating shell 62, the coil 61 is uniformly wound in the shell 1, two joints of the coil 61 are respectively connected with the second piezoresistor 12 and the second electrode 13, a return pin 9 is arranged in the electromagnet 6, the return pin 9 is fixedly connected with the pushing rod 10, a return spring 16 is sleeved at one end of the pushing rod 10 positioned in the electromagnet 6, the return spring 16 is connected at both ends to the insulating housing 62 and the return pin 9, respectively. When lightning strike occurs, the electromagnet 6 forms a closed loop, a magnetic field is formed inside the electromagnet, the push rod 10 is pushed to move upwards, the inserting sheet 7 is driven to be inserted into the upper inserting groove 41, the discharging of the first discharging electrode 44 is blocked, the current of the second piezoresistor 12 is led into the bottom surface through the second electrode 13, circuit tripping is avoided, meanwhile, after no current passes through the electromagnet 6, the internal magnetic field disappears, the push rod 10 is reset downwards under the action of the return pin 9 and the return spring 16, and then the inserting sheet 7 is driven to return to the initial position.
Preferably, a second insulation block 11 is arranged between the second piezoresistor 12 and the electromagnet 6, so that voltage leakage of the second piezoresistor 12 is avoided, and one surface of the second piezoresistor 12, which is away from the second insulation block 11, is attached to the second electrode 13.
Preferably, the shell 1 and the inserting piece 7 are both made of high-voltage insulating materials, and insulating rubber or insulating ceramic materials are selected to block high-voltage current caused by lightning stroke.
Preferably, the number of the upper slots 41 and the lower slots 42 is 1-8, so that the discharge flow is effectively blocked, and meanwhile, the integral modeling of the integral lightning arrester is reduced, and the material consumption is saved.
The application method of the novel 10KV lightning arrester without energy consumption and with low residual voltage comprises the following steps:
S1, when lightning passes through a lightning arrester, high-voltage electricity flows through a first electrode 2 to be led to a first piezoresistor 3, and then is conducted to a first discharge electrode 44 through a wire;
S2, after receiving the high-voltage current, the first discharge electrode 44 generates discharge, and is communicated with the second discharge electrode 5 through the discharge gap 43, and the second discharge electrode 5 guides the current to the second piezoresistor 12;
S3, a first connector 14 and a second connector 15 of the electromagnet 6 are respectively connected with the second electrode 13 and the second piezoresistor 12 to form a closed loop, and when the electromagnet 6 is electrified, a magnetic field is generated inside the electromagnet 6 to push the push rod 10 to push outwards;
S4, the push rod 10 drives the push block 8 and the inserting piece 7 to move upwards, the push block is inserted into the upper slot 41 from the lower slot 42, the discharging gap 43 is blocked, the voltages at two ends of the second piezoresistor 12 disappear simultaneously, and the magnetic field in the electromagnet 6 disappears;
s5, after the thrust disappears, the return pin 9 and the return spring 16 drive the push rod 10 and the inserting piece 7 to return to the initial state, and one-time work is completed.
The foregoing is illustrative of the principles of the invention.
Compared with the prior art, the lightning arrester can be used in various grounding systems of a power distribution network, by arranging the discharge gap 43, under the condition of no lightning strike, the lightning arrester is in an open-circuit state, the existing electric energy of the power distribution network is not lost, during the lightning strike, the first discharge electrode 44 generates discharge, the discharge gap 43 is communicated with the second discharge electrode 5, the electromagnet 6 forms a closed loop, a magnetic field is formed inside the electromagnet 6, the push rod 10 is pushed to drive the insulating insert 7 to block the discharge gap 43, so that the current is interrupted, the second piezoresistor 12 is led into the bottom surface through the second electrode 13, the voltage is reduced, the circuit trip or the burn-out is avoided, meanwhile, the magnetic field inside the electromagnet 6 disappears, the insert 7 returns to the original position, the electric energy is not consumed during the use, the lightning accident of the power grid is effectively reduced, and the guarantee is provided for lightning protection and disaster reduction.
The invention is limited only by the claims and the full scope and equivalents thereof, and furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be interpreted as indicating or implying a relative importance or an implicit indication of the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833940.9A CN113470911B (en) | 2021-07-23 | 2021-07-23 | A new type of 10KV lightning arrester with no energy consumption and low residual voltage and its use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833940.9A CN113470911B (en) | 2021-07-23 | 2021-07-23 | A new type of 10KV lightning arrester with no energy consumption and low residual voltage and its use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113470911A CN113470911A (en) | 2021-10-01 |
| CN113470911B true CN113470911B (en) | 2024-11-12 |
Family
ID=77881936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110833940.9A Active CN113470911B (en) | 2021-07-23 | 2021-07-23 | A new type of 10KV lightning arrester with no energy consumption and low residual voltage and its use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113470911B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114360827B (en) * | 2021-12-24 | 2024-06-25 | 宁波市镇海国创高压电器有限公司 | Lightning arrester with isolating switch |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215451069U (en) * | 2021-07-23 | 2022-01-07 | 湖南科呈科技有限公司 | Novel 10KV lightning arrester with no energy consumption and low residual voltage |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237516A (en) * | 1979-03-19 | 1980-12-02 | American Standard Inc. | Protective electrical discharge device |
| CN113130156A (en) * | 2021-03-01 | 2021-07-16 | 莫诚柱 | Zinc oxide lightning arrester in box-type substation and use method thereof |
-
2021
- 2021-07-23 CN CN202110833940.9A patent/CN113470911B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215451069U (en) * | 2021-07-23 | 2022-01-07 | 湖南科呈科技有限公司 | Novel 10KV lightning arrester with no energy consumption and low residual voltage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113470911A (en) | 2021-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8154832B2 (en) | Leak detection and leak protection circuit | |
| US20110273803A1 (en) | Leakage detection protective circuit | |
| CN106129990B (en) | A kind of non-maintaining charging pile lightning protection for power supply | |
| CN113470911B (en) | A new type of 10KV lightning arrester with no energy consumption and low residual voltage and its use method | |
| CN201194327Y (en) | Leakage detecting protection circuit | |
| CN215451069U (en) | Novel 10KV lightning arrester with no energy consumption and low residual voltage | |
| CN201051668Y (en) | Lightning protection circuit | |
| CN211785904U (en) | Fault arc detection device based on current zero-crossing point | |
| CN105610140A (en) | Lightning protection surge protection device | |
| CN102255277A (en) | Leakage detection protection circuit | |
| CN201298411Y (en) | A non-residual voltage discharging counter | |
| CN201490684U (en) | Leakage detection protective circuit | |
| CN204613284U (en) | The warning device of monitoring leakage current of an arrester | |
| CN214069571U (en) | Surge protector with backup protection device | |
| CN213027805U (en) | Switching power supply power-on surge-proof circuit | |
| CN116953565A (en) | Online monitoring device for lightning arrester of power system | |
| CN208337140U (en) | A kind of circuit board surge protector | |
| CN216084476U (en) | Integrated drop-out arrester with automatic alarm function | |
| CN209561114U (en) | Lightning arrester with back-up protection gap | |
| CN201213197Y (en) | A lightning protection system | |
| CN109360700B (en) | A method for making low-voltage arrester with fault indication function | |
| CN205945049U (en) | Non -maintaining electric pile source defend thunder equipment that fills | |
| CN201887447U (en) | Single-phase overvoltage protector | |
| CN211453765U (en) | Lightning protection overvoltage monitoring device for distribution network in multi-mine area | |
| CN218215891U (en) | Unmanned aerial vehicle circular telegram structure of preventing striking sparks |
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 |