CN110391651A - A kind of discharge tube follow current interrupt device - Google Patents
A kind of discharge tube follow current interrupt device Download PDFInfo
- Publication number
- CN110391651A CN110391651A CN201910637622.8A CN201910637622A CN110391651A CN 110391651 A CN110391651 A CN 110391651A CN 201910637622 A CN201910637622 A CN 201910637622A CN 110391651 A CN110391651 A CN 110391651A
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- Prior art keywords
- discharge tube
- gas
- stationary contact
- contact
- coil
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000005389 magnetism Effects 0.000 claims abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
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- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of gas-discharge tube follow current interrupt devices; including bidirectional electromagnet, movable contact, the first stationary contact, the second stationary contact and gas-discharge tube; bidirectional electromagnet is equipped with first coil and the second coil; first coil and need connection to be protected, the second coil are connect with movable contact；Movable contact is connect with the first stationary contact and the second stationary contact magnetism respectively；It connects after first stationary contact and the second stationary contact are in parallel with gas-discharge tube, gas-discharge tube and need connection to be protected.The present invention utilizes continuous galvanic current in the electromagnetic force band movable contact switching state between the first stationary contact and the second stationary contact generated in coil by the bidirectional electromagnet that two-way actuation is made in first coil and the second coil, since freewheel current is terminated to have turned off the afterflow of gas-discharge tube in handoff procedure, the afterflow of gas-discharge tube is solved the problems, such as.
Description
Technical field
The present invention relates to anti-thunder technical fields, and in particular to a kind of discharge tube follow current interrupt device.
Background technique
Current ceramic gas discharge tube is widely used in lightning protection and anti-surge protection circuit, and gas-discharge tube is limited by now
Material and process gas discharge tube itself can only generally improve the size of afterflow grade and afterflow voltage (i.e. arc voltage), can not be from root
There is afterflow phenomenon after solving itself breakdown on this.Therefore the application of deflation body fulgurite is also allowed to be extremely limited, such as
Deflation body fulgurite individually cannot be used to directly protection L line or anode in 48V or more power supply (negative supply is cathode).
The problem of gas-discharge tube maximum is afterflow, i.e., lightning surge triggers the arc light after it is connected due to maintaining it to be connected
Voltage requirement is especially low generally at more than ten volts, therefore power-frequency voltage (AC or DC) is entirely capable of maintaining its conducting i.e. gas discharge
The afterflow of pipe；Afterflow will cause serious short-circuit and on fire and explosion, therefore (negative supply is for firewire and anode in power circuit
Cathode) it is unable to using gas discharge tube；In order to solve the problems, such as that so one current way is mentioned using multi-layer gas discharge tube
High arc voltage namely the arc voltage of gas-discharge tube be increased to above the problem of power-frequency voltage is done so be production technology very
Complexity, cost is very high, and cannot thoroughly solve afterflow can only can under specific power frequency environment (specific voltage and current)
To reduce afterflow.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of can make common gas-discharge tube that can also directly answer
Firewire or anode, structure and the simple discharge tube follow current interrupt device of wiring for power supply line.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of gas-discharge tube follow current interrupt device, including bidirectional electromagnet, movable contact, the first stationary contact, the second stationary contact
Point and gas-discharge tube, bidirectional electromagnet are equipped with first coil and the second coil, and first coil connects with route to be protected is needed
It connects, the second coil is connect with movable contact；Movable contact is connect with the first stationary contact and the second stationary contact magnetism respectively；First stationary contact
It connects with after the parallel connection of the second stationary contact with gas-discharge tube, gas-discharge tube and need connection to be protected.
Further, the first coil is connect with one or more of zero curve, ground wire and the 0V of route to be protected is needed.
Further, one of the gas-discharge tube and firewire, anode and the cathode of need route to be protected or several
Kind connection.
Further, first stationary contact and the second stationary contact include permanent magnet and electrical contact, and permanent magnet setting exists
On electrical contact.
Further, the distance of first stationary contact and the second stationary contact is adjustable.The present invention can be according to freewheel current
Size adjusts the distance between the first stationary contact and the second stationary contact, that is, adjusts the time of switching, and freewheel current is bigger
Distance is bigger, to make to present invention can be suitably applied in various power-supply systems, substantially increases its application range.
Gas-discharge tube follow current interrupt device, includes the following steps:
When afterflow occurs in gas-discharge tube, freewheel current first passes around bidirectional electromagnet and generates electromagnetic force promotion dynamic touching S1
O'clock it is switched to the second stationary contact from the first stationary contact, during switching, freewheel current is interrupted to cut off gas discharge
The afterflow of pipe；
After S2 afterflow cutting, due to having permanent magnet on the second stationary contact, movable contact is by the permanent magnet of the second stationary contact
Suction attract, so movable contact is able to maintain reliable electrical connection with the second stationary contact；When next afterflow occurs, due to double
To the two-way actuation of electromagnet energy, it will push movable contact from the second stationary contact and be switched to the first stationary contact, continue during switching
Galvanic electricity stream is interrupted, to cut off the afterflow of gas-discharge tube.
The present invention can apply in the lightning protection of different types of power circuit or anti-surge protection circuit.
Advantageous effects of the invention:
1, utilize continuous galvanic current in coil by the bidirectional electromagnet that two-way actuation is made in first coil and the second coil
Generation electromagnetic force band movable contact switching state between the first stationary contact and the second stationary contact, in handoff procedure due to
Freewheel current is terminated to have turned off the afterflow of gas-discharge tube, solves the problems, such as the afterflow of gas-discharge tube；
2, gas-discharge tube can be used for the firewire and anode (being cathode when negative supply) of power supply, the gas greatly expanded
The application range of discharge tube；
3, the distance between the first stationary contact and the second stationary contact can be adjusted according to the size of freewheel current, that is, are adjusted
The time of whole switching, freewheel current is bigger, and distance is bigger, to make to present invention can be suitably applied in various power-supply systems, greatly improves
Its application range.
Detailed description of the invention
Fig. 1 is circuit composition schematic diagram of the invention.
Appended drawing reference:
First static electric shock 1；Dynamic electric shock 2；Second static electric shock 3；Bidirectional electromagnet 4；Gas-discharge tube 5；First coil 6；The
Two coil 7.
Specific embodiment
Below with reference to attached drawing, the invention will be further described, it should be noted that following embodiment is with this technology
Premised on scheme, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to this
Embodiment.
A kind of gas-discharge tube follow current interrupt device, as shown in Figure 1, including bidirectional electromagnet 4, movable contact 2, the first stationary contact
The 1, second stationary contact 3 of point and gas-discharge tube 5, bidirectional electromagnet 4 are equipped with first coil 6 and the second coil 7, first coil 6
With need connection to be protected, the second coil 7 is connect with movable contact 2；Movable contact 2 is quiet with the first stationary contact 1 and second respectively
The magnetic connection in contact 3；It connects after 3 parallel connection of first stationary contact 1 and the second stationary contact with gas-discharge tube 5, gas-discharge tube 5 and need
Connection to be protected.
Further, the first coil 6 connects with one or more of zero curve, ground wire and the 0V for needing route to be protected
It connects.
Further, one of the gas-discharge tube 5 and firewire, anode and the cathode of need route to be protected or several
Kind connection.
Further, first stationary contact 1 and the second stationary contact 3 include permanent magnet and electrical contact, permanent magnet setting
On electrical contact.
Further, the distance of first stationary contact 1 and the second stationary contact 3 is adjustable.The present invention can be according to freewheel current
Size adjust the distance between the first stationary contact 1 and the second stationary contact 3, that is, adjust the time of switching, freewheel current
Bigger distance is bigger, to make to present invention can be suitably applied in various power-supply systems, substantially increases its application range.
Gas-discharge tube follow current interrupt device, includes the following steps:
For S1 when afterflow occurs in gas-discharge tube 5, it is dynamic that freewheel current first passes around the generation electromagnetic force promotion of bidirectional electromagnet 4
Contact 2 is switched to the second stationary contact 3 from the first stationary contact 1, and during switching, freewheel current is interrupted to cut off gas
The afterflow of discharge tube 5；
After S2 afterflow cutting, due to having permanent magnet on the second stationary contact 3, movable contact 2 is by the permanent magnet of the second stationary contact 3
On suction attract, so movable contact 2 is able to maintain reliable electrical connection with the second stationary contact 3；When next afterflow occurs, by
In the 4 two-way actuation of energy of bidirectional electromagnet, it will push movable contact 2 from the second stationary contact 3 and be switched to the first stationary contact 1, in switching
Freewheel current is interrupted in the process, to cut off the afterflow of gas-discharge tube 5.
The present invention can apply in the lightning protection and anti-surge protection circuit of different type power supply line.
For those skilled in the art, it can be provided various corresponding according to above technical solution and design
Change and modification, and all these change and modification, should be construed as being included within the scope of protection of the claims of the present invention.
Claims (6)
1. a kind of gas-discharge tube follow current interrupt device, which is characterized in that including bidirectional electromagnet, movable contact, the first stationary contact,
Second stationary contact and gas-discharge tube, bidirectional electromagnet be equipped with first coil and the second coil, first coil with need to protect
Connection, the second coil connect with movable contact；Movable contact is connect with the first stationary contact and the second stationary contact magnetism respectively；The
It connects after one stationary contact and the second stationary contact are in parallel with gas-discharge tube, gas-discharge tube and need connection to be protected.
2. gas-discharge tube follow current interrupt device according to claim 1, which is characterized in that the first coil and needs
One or more of zero curve, ground wire and 0V of the route of protection connection.
3. gas-discharge tube follow current interrupt device according to claim 1, which is characterized in that the gas-discharge tube and need
The connection of one or more of firewire, anode and cathode of route to be protected.
4. gas-discharge tube follow current interrupt device according to claim 1, which is characterized in that first stationary contact and
Two stationary contacts include permanent magnet and electrical contact, and permanent magnet is arranged on electrical contact.
5. gas-discharge tube follow current interrupt device according to claim 1, which is characterized in that first stationary contact and
The distance of two stationary contacts is adjustable.
6. gas-discharge tube follow current interrupt device a method as claimed in any one of claims 1 to 5, which comprises the steps of:
When afterflow occurs in S1 gas-discharge tube, freewheel current, which first passes around bidirectional electromagnet and generates electromagnetic force, pushes movable contact from the
One stationary contact is switched to the second stationary contact, and during switching, freewheel current is interrupted to cut off the continuous of gas-discharge tube
Stream；
S2 afterflow cuts off late contact and keeps being electrically connected with the second stationary contact and the second stationary contact, when next afterflow occurs,
Bidirectional electromagnet pushes movable contact to be switched to the first stationary contact from the second stationary contact, and freewheel current is interrupted during switching
To cut off the afterflow of gas-discharge tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910637622.8A CN110391651A (en) | 2019-07-15 | 2019-07-15 | A kind of discharge tube follow current interrupt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910637622.8A CN110391651A (en) | 2019-07-15 | 2019-07-15 | A kind of discharge tube follow current interrupt device |
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| Publication Number | Publication Date |
|---|---|
| CN110391651A true CN110391651A (en) | 2019-10-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910637622.8A Pending CN110391651A (en) | 2019-07-15 | 2019-07-15 | A kind of discharge tube follow current interrupt device |
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| CN (1) | CN110391651A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182456Y (en) * | 1993-11-05 | 1994-11-09 | 崔正宪 | Excess voltage breaking device for lightning device |
| CN202564136U (en) * | 2012-02-10 | 2012-11-28 | 宁波市镇海华泰电器厂 | Power-saving and silent alternating-current contactor |
| CN204088878U (en) * | 2014-09-19 | 2015-01-07 | 陕西鑫盾科技有限公司 | A kind of afterflow of cut-out automatically inter space device |
| CN210041324U (en) * | 2019-07-15 | 2020-02-07 | 韶关高尔德防雷科技有限公司 | Discharge tube follow current interruption device |
-
2019
- 2019-07-15 CN CN201910637622.8A patent/CN110391651A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182456Y (en) * | 1993-11-05 | 1994-11-09 | 崔正宪 | Excess voltage breaking device for lightning device |
| CN202564136U (en) * | 2012-02-10 | 2012-11-28 | 宁波市镇海华泰电器厂 | Power-saving and silent alternating-current contactor |
| CN204088878U (en) * | 2014-09-19 | 2015-01-07 | 陕西鑫盾科技有限公司 | A kind of afterflow of cut-out automatically inter space device |
| CN210041324U (en) * | 2019-07-15 | 2020-02-07 | 韶关高尔德防雷科技有限公司 | Discharge tube follow current interruption device |
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Address after: 512300 No.1 industrial transfer park, Lelang Road, Lechang City, Shaoguan City, Guangdong Province Applicant after: Guangdong Gould Group Co.,Ltd. Address before: 512300 No.1 industrial transfer park, Lelang Road, Lechang City, Shaoguan City, Guangdong Province Applicant before: SHAOGUAN GAOERDE LIGHTNING PROTECTION TECHNOLOGY CO.,LTD. |