CN204668931U - A kind of solid decoupling device and circuit - Google Patents
A kind of solid decoupling device and circuit Download PDFInfo
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- CN204668931U CN204668931U CN201520422050.9U CN201520422050U CN204668931U CN 204668931 U CN204668931 U CN 204668931U CN 201520422050 U CN201520422050 U CN 201520422050U CN 204668931 U CN204668931 U CN 204668931U
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- diode
- electric capacity
- decoupling device
- circuit
- parallel connection
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- 239000007787 solid Substances 0.000 title claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model relates to a kind of solid-state isolator removing stray electrical current, particularly relates to a kind of solid decoupling device and circuit.Comprise the diode of four series connection, be respectively diode one, diode two, diode three, diode four, then from the two ends of diode one respectively with following Components Parallel Connection: piezo-resistance one, discharge tube, electric capacity one, one end of last diode one positive pole and inductance and insuring is connected.Described electric capacity one and electric capacity two are polar capacitor, want reverse parallel connection between electric capacity one and electric capacity two.Beneficial effect: integrate clamped formula drainage, surge protection and exchange decoupling, there is higher AC fault current make-break capacity and extremely low voltage protection level, and there is the drainage function of the resistive coupling of protection thunder and lightning electromagnetic interference, capacitive couplings, inductive couplings; Adopt hermetically-sealed construction, electric arc not easily leaks, and has explosion prevention function; Degree of protection is high, is applicable to the installation of outdoor, the varying environment such as buried.
Description
Technical field
The utility model relates to a kind of solid-state isolator removing stray electrical current, particularly relates to a kind of solid decoupling device and circuit.
Background technology
Conventional drain means is made up of the diode of several positive and negative connection, by drainage product by after pipeline ground connection, when the potential difference between pipeline and the earth exceedes the starting resistor of diode, and diode and conducting.But the voltage on pipeline can be restricted to the conducting voltage at diode two ends by drain means, and can not tolerate macro-energy electric current, when big current occurs, damage can be caused to protected system.
Utility model content
The object of utility model: in order to provide a kind of solid decoupling device and circuit of better effects if, specific purposes are shown in multiple substantial technological effects of concrete implementation section.
In order to reach as above object, the utility model takes following technical scheme:
Scheme one:
A kind of solid decoupling device circuit, it is characterized in that, comprise the diode of four series connection, be respectively diode one, diode two, diode three, diode four, then from the two ends of diode one respectively with following Components Parallel Connection: piezo-resistance one, piezo-resistance one, discharge tube, electric capacity one, electric capacity one, one end of last diode one positive pole and inductance and insuring is connected.
The further technical scheme of the utility model is, described electric capacity one and electric capacity two are polar capacitor, want reverse parallel connection between electric capacity one and electric capacity two.
Scheme two:
A kind of solid decoupling device, it is characterized in that, comprise the circuit be packaged in inside housing, described circuit comprises diode (led) module, described diode (led) module comprises the diode of four series connection, be respectively diode one, diode two, diode three, diode four, diode (led) module and the parallel connection of lightning-protection module, discharge tube and capacitive part, described diode (led) module comprises piezo-resistance one in parallel and piezo-resistance one; Capacitive part comprises two polar capacitors of reverse parallel connection.
The further technical scheme of the utility model is, described housing is cylindrical, and earth electrode is drawn in side.
The further technical scheme of the utility model is, described housing is isolation material.
Adopt the utility model of as above technical scheme, following beneficial effect is had: integrate clamped formula drainage, surge protection and exchange decoupling relative to prior art, there is higher AC fault current make-break capacity and extremely low voltage protection level, and there is the drainage function of the resistive coupling of protection thunder and lightning electromagnetic interference, capacitive couplings, inductive couplings; Adopt hermetically-sealed construction, electric arc not easily leaks, and has explosion prevention function; Degree of protection is high, is applicable to the installation of outdoor, the varying environment such as buried.
Accompanying drawing explanation
In order to further illustrate the utility model, be described further below in conjunction with accompanying drawing:
Fig. 1 is circuit diagram of the present utility model.
Fig. 2 is circuit connection diagram of the present utility model.
Fig. 3 is appearance assumption diagram of the present utility model.
Wherein D0 is diode one, D1 be diode two, D2 be diode three, D3 is diode four; R0 piezo-resistance one, R1 is piezo-resistance two; GDT is discharge tube; C1 is electric capacity one, C2 is electric capacity two; L1 is inductance; FU is insurance.
Embodiment
Be described embodiment of the present utility model below in conjunction with accompanying drawing, embodiment does not form restriction of the present utility model:
This patent especially can be removed thunderbolt ground connection and introduce electric current, induced current and fault earthing short circuit current.
This patent not only has big current drainage function and extremely low voltage protection level, and can be connected across insulating joint two ends and use as equipotential device.
The utility model solves the technical scheme that its technical problem adopts: adopt rectifying device to carry out current drain and voltage restriction to alternating current-direct current interference, adopts the fast response characteristic of piezoresistive surge protector and the big current resistance characteristics of spark gap type surge protector and low residual voltage characteristic to carry out drainage and voltage restriction to direct lightning strike and induced lightening.
This patent can ensure that the intelligence between alternating current-direct current interference and direct lightning strike, induced lightening interference switches, effective action and energy coordination.
1. spark gap, anti-thunder surge module carry out energy coordination; when have in short-term big current time; the first action of Surge Protector; spark gap action after 25ns; voltage after conducting is 50V; the maximum discharge current of spark gap is 50kA(10/350 μ s is direct lightning strike waveform), effectively reduce the impact of the heavy current surge such as direct lightning strike, induced lightening on pipeline.
2. when when having long, small area analysis disturbs; clamp module action; pipeline current potential is limited in-2.0 ~+2V (adjustable; according to actual conditions; in conjunction with our practical experience, advise the threshold voltage turning down+2v when dispatching from the factory, to reach better protection effect) between; to guarantee that pipeline is anticorrosion from stray electrical current, and cathodic protection effect is not by the impact of electromagnetic interference.
3. clamp module, exchange decoupling, anti-surge module and carry out energy coordination, when having long during small area analysis, clamp module action, have in short-term heavy current impact time, intelligence is switched to anti-surge module and spark gap interoperation, big current of releasing.By the energy coordination between device, the impact of various electromagnetic interference on pipeline cathode protection system can be got rid of.
In FIG, diode D0, D1, D2, D3 connect, then from the two ends of D0 respectively at piezo-resistance R0, R1, discharge tube GDT, the two ends of electric capacity C1, C2 are in parallel, connect with insuring with inductance in one end of last D0 positive pole.Wherein electric capacity is polar capacitor, wants reverse parallel connection between two electric capacity.
It should be noted that, multiple schemes that this patent provides comprise basic scheme own, separate, mutually do not restrict, but it also can combine when not conflicting mutually, reaching multiple effect and jointly realizing.
more than show and describe general principle of the present utility model, principal character and advantage of the present utility model.Those skilled in the art should understand the utility model and not be restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (5)
1. a solid decoupling device circuit, it is characterized in that, comprise the diode of four series connection, be respectively diode one (D0), diode two (D1), diode three (D2), diode four (D3), then from the two ends of diode one (D0) respectively with following Components Parallel Connection: piezo-resistance one (R0), piezo-resistance one (R1), discharge tube (GDT), electric capacity one (C1), electric capacity one (C2), one end of last diode one (D0) positive pole and inductance and insuring is connected.
2. a kind of solid decoupling device circuit as claimed in claim 1, is characterized in that, described electric capacity one and electric capacity two are polar capacitor, want reverse parallel connection between electric capacity one and electric capacity two.
3. a solid decoupling device, it is characterized in that, comprise the circuit be packaged in inside housing, described circuit comprises diode (led) module, described diode (led) module comprises the diode of four series connection, be respectively diode one (D0), diode two (D1), diode three (D2), diode four (D3), diode (led) module and the parallel connection of lightning-protection module, discharge tube and capacitive part, described diode (led) module comprises piezo-resistance one (R0) in parallel and piezo-resistance one (R1); Capacitive part comprises two polar capacitors of reverse parallel connection.
4. a kind of solid decoupling device as claimed in claim 3, is characterized in that, described housing is cylindrical, and earth electrode is drawn in side.
5. a kind of solid decoupling device as claimed in claim 3, is characterized in that, described housing is isolation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520422050.9U CN204668931U (en) | 2015-06-18 | 2015-06-18 | A kind of solid decoupling device and circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520422050.9U CN204668931U (en) | 2015-06-18 | 2015-06-18 | A kind of solid decoupling device and circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204668931U true CN204668931U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520422050.9U Expired - Fee Related CN204668931U (en) | 2015-06-18 | 2015-06-18 | A kind of solid decoupling device and circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204668931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526303A (en) * | 2016-10-27 | 2017-03-22 | 中国西电电气股份有限公司 | Volt-ampere characteristic test device and method of solid-state decoupling device |
| CN106585430A (en) * | 2016-12-16 | 2017-04-26 | 中国航空油料有限责任公司 | Electric drainage device used between buried oil gas pipeline and subway and use method of electric drainage device |
-
2015
- 2015-06-18 CN CN201520422050.9U patent/CN204668931U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526303A (en) * | 2016-10-27 | 2017-03-22 | 中国西电电气股份有限公司 | Volt-ampere characteristic test device and method of solid-state decoupling device |
| CN106526303B (en) * | 2016-10-27 | 2019-11-01 | 中国西电电气股份有限公司 | A kind of the C-V characteristic test device and method of solid decoupling device |
| CN106585430A (en) * | 2016-12-16 | 2017-04-26 | 中国航空油料有限责任公司 | Electric drainage device used between buried oil gas pipeline and subway and use method of electric drainage device |
| CN106585430B (en) * | 2016-12-16 | 2023-11-07 | 中国航空油料有限责任公司 | Drainage device for buried oil gas pipeline and subway and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 |