CN208401544U - A kind of over-voltage protector of energy-absorbing cumulative - Google Patents
A kind of over-voltage protector of energy-absorbing cumulative Download PDFInfo
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- CN208401544U CN208401544U CN201820850587.9U CN201820850587U CN208401544U CN 208401544 U CN208401544 U CN 208401544U CN 201820850587 U CN201820850587 U CN 201820850587U CN 208401544 U CN208401544 U CN 208401544U
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- 230000001012 protector Effects 0.000 title claims abstract description 31
- 230000001186 cumulative effect Effects 0.000 title claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 206010039509 Scab Diseases 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000010355 oscillation Effects 0.000 abstract description 4
- 230000003313 weakening effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a kind of over-voltage protectors of energy-absorbing cumulative; including pedestal, insulation crust, high-tension cable and connecting terminal; several insulation crusts are arranged in the top of the pedestal; the high-tension cable is respectively mounted at the top of the insulation crust, the top of the high-tension cable is respectively provided with the connecting terminal.The utility model: by using the first self-cut-off device, second self-cut-off device, third self-cut-off device and the 4th self-cut-off device with the concatenated mode of dry-type capacitance, it can make discharging gap when carrying out high-frequency oscillation voltage electric discharge, dry-type capacitance can be first passed through, dry-type capacitance absorbs the electric energy of a part, then it could pass through four self-cut-off devices, accordingly even when the value of voltage reaches the breakaway range of self-cut-off device, as dry-type capacitance absorbs a part of electric energy and weakening in advance, so that lower section of the voltage drop as low as the cut off value of self-cut-off device, guarantee that the over-voltage protector can also continue to work, achieve the effect that energy-absorbing cumulative.
Description
Technical field
The utility model relates to electrical equipment technical fields, it particularly relates to a kind of overvoltage protection of energy-absorbing cumulative
Device.
Background technique
Over-voltage protector is a kind of advanced protection electric appliance for limiting lightning surge and switching overvoltage.Electric system
Aerial insulated wire is widely applied, the lightning-caused breaking problem of aerial insulated wire annoyings the peace of electric power network in trend is risen year by year
Row for the national games, over-voltage protector are a kind of advanced protection electric appliance for limiting lightning surge and switching overvoltage, are mainly used for
The insulation for protecting the electrical equipments such as generator, transformer, vacuum switch, bus, motor, protects it from the damage of overvoltage.
For current arrester with it not by external environment influence, protective value is good and is widely used in 10kV and the above power distribution network,
For existing over-voltage protector when in use there are still certain defect, existing over-voltage protector is excessive in the value of voltage
When, it can be disconnected certainly by inside with vacuum contactor, entire voltage protector is detached from electric current, but sometimes
Voltage value only reaches the critical value of vacuum contactor just, damages over-voltage protector open circuit, overvoltage protection
Device itself is unprotected, and use when is not cost-effective enough.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the purpose of this utility model is to propose a kind of overvoltage protection of energy-absorbing cumulative
Device, to overcome above-mentioned technical problem present in existing the relevant technologies.
The technical solution of the utility model is achieved in that
A kind of over-voltage protector of energy-absorbing cumulative, including pedestal, insulation crust, high-tension cable and connecting terminal, it is described
Several insulation crusts are arranged in the top of pedestal, and the high-tension cable, the height are respectively mounted at the top of the insulation crust
The top of voltage cable is respectively provided with the connecting terminal, and A phase connection unit, A phase connection unit is arranged in the inside of the insulation crust
Side B phase connection unit is set, C phase connection unit, the inside setting of the pedestal is arranged in the side of the B phase connection unit
Ground unit, the A phase connection unit, the B phase connection unit, the C phase connection unit and ground unit inside be all provided with
Discharging gap is set, variable resistance is respectively provided with below the discharging gap, the variable resistance is connected with dry-type capacitance, described
The first self-cut-off device is installed in the inside of A phase connection unit, and the second self-cut-off device is installed in the inside of the B phase connection unit, and the C connects
Third self-cut-off device is installed in the inside of line unit, and the 4th self-cut-off device is installed in the inside of the ground unit, several described dry type electricity
Appearance is connected between the first self-cut-off device, the second self-cut-off device, third self-cut-off device and the 4th self-cut-off device respectively.
Further, the both ends of the pedestal are respectively provided with mounting blocks, and the inside of the mounting blocks is respectively mounted bolt, the bottom
Ground wire connector lug is arranged in the side of seat.
Further, the ground wire connector lug is connected with ground unit.
Further, the variable resistance uses znr, and the variable resistance and discharging gap it
Between be serially connected.
Further, first self-cut-off device, the second self-cut-off device, third self-cut-off device and the 4th self-cut-off device are all made of vacuum and connect
Tentaculum.
Further, the A phase connection unit, the B phase connection unit, the C phase connection unit and ground unit two
It is in parallel between two.
The utility model has the beneficial effects that by using the first self-cut-off device, the second self-cut-off device, third self-cut-off device and four selfs
Disconnected device with the concatenated mode of dry-type capacitance, can make discharging gap when carrying out high-frequency oscillation voltage electric discharge, can be with
Dry-type capacitance is first passed through, dry-type capacitance absorbs the electric energy of a part, it then could pass through four self-cut-off devices, accordingly even when voltage
Value reaches the breakaway range of self-cut-off device, as dry-type capacitance absorbs a part of electric energy and weakening in advance, so that voltage
It is reduced to the lower section of the cut off value of self-cut-off device, guarantees that the over-voltage protector can also continue to work, reaches the effect of energy-absorbing cumulative
Fruit.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram according to the over-voltage protector of the energy-absorbing cumulative of the utility model embodiment；
Fig. 2 is the overall structure top view according to the over-voltage protector of the energy-absorbing cumulative of the utility model embodiment；
Fig. 3 is the internal circuit schematic diagram according to the over-voltage protector of the energy-absorbing cumulative of the utility model embodiment.
In figure:
1, pedestal, 2, insulation crust, 3, mounting blocks, 4, ground wire connector lug, 5, high-tension cable, 6, connecting terminal, 7, A connects
Line unit, 8, B phase connection unit, 9, C phase connection unit, 10, discharging gap, the 11, first self-cut-off device, the 12, second self-cut-off device,
13, third self-cut-off device, 14, variable resistance, 15, dry-type capacitance, the 16, the 4th self-cut-off device, 17, order member.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of over-voltage protector of energy-absorbing cumulative.
As shown in Figure 1-3, the over-voltage protector of the energy-absorbing cumulative according to the utility model embodiment, including pedestal
1, insulation crust 2, high-tension cable 5 and connecting terminal 6, several insulation crusts 2 are arranged in the top of the pedestal 1, described
The top of insulation crust 2 is respectively mounted the high-tension cable 5, and the top of the high-tension cable 5 is respectively provided with the connecting terminal 6, institute
The inside setting A phase connection unit 7 of insulation crust 2 is stated, B phase connection unit 8, the B phase is arranged in the side of A phase connection unit 7
C phase connection unit 9 is arranged in the side of wiring units 8, and ground unit 17, the A phase connection unit is arranged in the inside of the pedestal 1
7, the inside of the B phase connection unit 8, the C phase connection unit 9 and ground unit 17 is respectively provided with discharging gap 10, described to put
The lower section in electric gap 10 is respectively provided with variable resistance 14, and the variable resistance 14 is connected with dry-type capacitance 15, the A phase connection list
The first self-cut-off device 11 is installed in the inside of member 7, and the second self-cut-off device 12 is installed in the inside of the B phase connection unit 8, and the C connects
Third self-cut-off device 13 is installed in the inside of line unit 9, and the 4th self-cut-off device 16 is installed in the inside of the ground unit 17, described in several
Dry-type capacitance 15 is connected between the first self-cut-off device 11, the second self-cut-off device 12, third self-cut-off device 13 and the 4th self-cut-off device 16 respectively,
Concatenated dry-type capacitance 15 can absorb a part of electric energy when discharge voltage is excessive, then connect with four self-cut-off devices, improve
The voltage value of self-cut-off device disconnecting circuit avoids the circuit that each unit inside protector is destroyed when overtension, damage
Protector.
With the aid of the technical scheme, it autotomys by using the first self-cut-off device, the second self-cut-off device, third self-cut-off device and the 4th
Device with the concatenated mode of dry-type capacitance, can make discharging gap when carrying out high-frequency oscillation voltage electric discharge, Ke Yixian
By dry-type capacitance, dry-type capacitance absorbs the electric energy of a part, then could pass through four self-cut-off devices, accordingly even when the value of voltage
Reach the breakaway range of self-cut-off device, as dry-type capacitance absorbs a part of electric energy and weakening in advance, so that voltage drop
As low as the lower section of the cut off value of self-cut-off device, guarantees that the over-voltage protector can also continue to work, achieve the effect that energy-absorbing cumulative.
In addition, in one embodiment, the both ends of the pedestal 1 are respectively provided with mounting blocks 3, the inside of the mounting blocks 3 is equal
Bolt is installed, ground wire connector lug 4 is arranged in the side of the pedestal 1, so that it is solid so that over-voltage protector is conveniently passed through mounting blocks 3
It is fixed.
In addition, in one embodiment, the ground wire connector lug 4 is connected with ground unit 17, and ground unit 17 will be electric
It presses conductance and enters ground.
In addition, in one embodiment, the variable resistance 14 uses znr, and the variable resistance
It is serially connected between 14 and discharging gap 10,14 resistance value of variable resistance can greatly hinder electric current to flow through, and protection is protected with overvoltage
Protect the electric component of device connection.
In addition, in one embodiment, first self-cut-off device 11, the second self-cut-off device 12, third self-cut-off device 13 and the 4th
Self-cut-off device 16 is all made of vacuum contactor, and when facilitating the voltage value inside overvoltage excessive, vacuum contactor can be from dynamic circuit breaker
The circuit of each unit inside over-voltage protector is opened, so that protector is detached from circuit.
In addition, in one embodiment, the A phase connection unit 7, the B phase connection unit 8, the C phase connection unit
9 and ground unit 17 it is in parallel between any two, four units are unaffected from each other.
In conclusion being autotomyed by means of the above-mentioned technical proposal of the utility model by using the first self-cut-off device 11, second
Device 12, third self-cut-off device 13 and the 4th self-cut-off device 16 with the concatenated mode of dry-type capacitance 15, can make discharging gap 10 exist
When carrying out high-frequency oscillation voltage electric discharge, dry-type capacitance 15 can be first passed through, dry-type capacitance 15 absorbs the electric energy of a part,
Then it could pass through four self-cut-off devices, accordingly even when the value of voltage reaches the breakaway range of self-cut-off device, as dry-type capacitance
15 absorb a part of electric energy and weakening in advance, so that lower section of the voltage drop as low as the cut off value of self-cut-off device, guarantees that this is excessively electric
Pressure protector can also continue to work, achieve the effect that energy-absorbing cumulative, self-cut-off device use vacuum contactor (model: CKJ5-80/
1140), convenient automatic disconnection each unit, so that protector is detached from entire circuit.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of over-voltage protector of energy-absorbing cumulative, which is characterized in that including pedestal (1), insulation crust (2), high-tension cable
(5) and several insulation crusts (2) are arranged in connecting terminal (6), the top of the pedestal (1), the insulation crust (2)
Top is respectively mounted the high-tension cable (5), and the top of the high-tension cable (5) is respectively provided with the connecting terminal (6), the insulation
A phase connection unit (7) are arranged in the inside of shell (2), and B phase connection unit (8) are arranged in the side of A phase connection unit (7), the B
C phase connection unit (9) are arranged in the side of phase connection unit (8), and ground unit (17) are arranged in the inside of the pedestal (1), the A
Phase connection unit (7), the B phase connection unit (8), the C phase connection unit (9) and ground unit (17) inside be respectively provided with
Discharging gap (10) is respectively provided with variable resistance (14) below the discharging gap (10), the variable resistance (14) and dry type
Capacitor (15) is connected, and the first self-cut-off device (11) are installed in the inside of the A phase connection unit (7), the B phase connection unit (8)
Inside the second self-cut-off device (12) are installed, third self-cut-off device (13) are installed in the inside of the C phase connection unit (9), the ground connection
The 4th self-cut-off device (16) is installed in the inside of unit (17), several described dry-type capacitances (15) respectively with the first self-cut-off device (11),
It connects between second self-cut-off device (12), third self-cut-off device (13) and the 4th self-cut-off device (16).
2. a kind of over-voltage protector of energy-absorbing cumulative according to claim 1, which is characterized in that the pedestal (1)
Both ends are respectively provided with mounting blocks (3), and the inside of the mounting blocks (3) is respectively mounted bolt, and the side setting ground wire of the pedestal (1) connects
The end of a thread (4).
3. a kind of over-voltage protector of energy-absorbing cumulative according to claim 2, which is characterized in that the ground wire connector lug
(4) it is connected with ground unit (17).
4. a kind of over-voltage protector of energy-absorbing cumulative according to claim 1, which is characterized in that the variable resistance
(14) znr is used, and is serially connected between the variable resistance (14) and discharging gap (10).
5. a kind of over-voltage protector of energy-absorbing cumulative according to claim 1, which is characterized in that first self-cut-off device
(11), the second self-cut-off device (12), third self-cut-off device (13) and the 4th self-cut-off device (16) are all made of vacuum contactor.
6. a kind of over-voltage protector of energy-absorbing cumulative according to claim 1, which is characterized in that the A phase connection list
First (7), the B phase connection unit (8), the C phase connection unit (9) and ground unit (17) are in parallel between any two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820850587.9U CN208401544U (en) | 2018-06-04 | 2018-06-04 | A kind of over-voltage protector of energy-absorbing cumulative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820850587.9U CN208401544U (en) | 2018-06-04 | 2018-06-04 | A kind of over-voltage protector of energy-absorbing cumulative |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208401544U true CN208401544U (en) | 2019-01-18 |
Family
ID=65134759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820850587.9U Expired - Fee Related CN208401544U (en) | 2018-06-04 | 2018-06-04 | A kind of over-voltage protector of energy-absorbing cumulative |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208401544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346364A (en) * | 2021-04-30 | 2021-09-03 | 华能湖北新能源有限责任公司 | Cable terminal explosion-proof system and method |
| RU2767312C1 (en) * | 2021-11-03 | 2022-03-17 | Общество с ограниченной ответственностью Группа компаний «Рутас» | Universal device for protection against internal overvoltages and partial compensation of reactive power (extinguisher-compensator) |
| RU2774295C1 (en) * | 2021-11-03 | 2022-06-17 | Общество с ограниченной ответственностью Группа компаний «Рутас» | Universal device for protecting electrical equipment from switching overvoltages (rc-quencher) |
-
2018
- 2018-06-04 CN CN201820850587.9U patent/CN208401544U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346364A (en) * | 2021-04-30 | 2021-09-03 | 华能湖北新能源有限责任公司 | Cable terminal explosion-proof system and method |
| RU2767312C1 (en) * | 2021-11-03 | 2022-03-17 | Общество с ограниченной ответственностью Группа компаний «Рутас» | Universal device for protection against internal overvoltages and partial compensation of reactive power (extinguisher-compensator) |
| RU2774295C1 (en) * | 2021-11-03 | 2022-06-17 | Общество с ограниченной ответственностью Группа компаний «Рутас» | Universal device for protecting electrical equipment from switching overvoltages (rc-quencher) |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |