CN202524078U - Arc suppression and overvoltage protection device controller - Google Patents
Arc suppression and overvoltage protection device controller Download PDFInfo
- Publication number
- CN202524078U CN202524078U CN2012201482154U CN201220148215U CN202524078U CN 202524078 U CN202524078 U CN 202524078U CN 2012201482154 U CN2012201482154 U CN 2012201482154U CN 201220148215 U CN201220148215 U CN 201220148215U CN 202524078 U CN202524078 U CN 202524078U
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- overvoltage protection
- module
- grounding
- microprocessor
- protection device
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Abstract
The utility model discloses an arc suppression and overvoltage protection device controller, which comprises a microprocessor, as well as a power module, an alternating current input signal acquisition module, a switching value acquisition module and a display module which are connected to the microprocessor. The arc suppression and overvoltage protection device controller disclosed by the utility model has the beneficial effect that through transforming arcing grounding to metal grounding, the overvoltage of arcing grounding can be effectively eliminated, and electrical equipment damage accidents resulting from arcing grounding are avoided, and the power distribution reliability is increased.
Description
Technical field
The utility model relates to extinguishing arc and overvoltage protection field, specifically is a kind of extinguishing arc and overvoltage protection controller.
Background technology
With system with non effectively earth ed neutral, it comprises isolated neutral, neutral by arc extinction coil grounding and neutral point through the high resistance grounding mode at China's 7.2-35kV power distribution network, and this system to take place maximum be single phase ground fault.
The utility model content
The technical problem that the utility model will solve provides a kind of extinguishing arc and overvoltage protection controller; Be applied on extinguishing arc and the overvoltage protection; Through arc grounding being converted into metal ground connection; Can effectively eliminate the arc grounding overvoltage, the electric equipment damage accident of avoiding arc grounding to cause improves power supply reliability.
The technical scheme of the utility model is:
Extinguishing arc and overvoltage protection controller include microprocessor, are connected in power module, ac input signal acquisition module, switch acquisition module and display module on the microprocessor.
Be connected with communication module on the described microprocessor.
Be connected with alarm module on the described microprocessor.
Described display module is selected the LCD display module for use.
Be connected with the Keyboard Control module on the described microprocessor.
The advantage of the utility model:
The utility model can effectively be eliminated the arc grounding overvoltage through arc grounding being converted into metal ground connection, and the electric equipment damage accident of avoiding arc grounding to cause improves power supply reliability.The mechanism of extinguishing arc and overvoltage protection over-voltage and the size of electric network capacitance and current are irrelevant, and its protective value does not change with the change of power system operating mode, and package unit is simple in structure, and volume is little, and it is convenient to install, debug.
Description of drawings
Fig. 1 is the theory diagram of the utility model.
Fig. 2 is the structural representation of extinguishing arc and overvoltage protection.
Embodiment
See Fig. 1; Extinguishing arc and overvoltage protection controller; Include microprocessor 1, be connected in power module 2, ac input signal acquisition module 3, switch acquisition module 4, LCD display module 5, alarm module 6, communication module 7 and Keyboard Control module 8 on the microprocessor 1.
The utility model is applied on extinguishing arc and the overvoltage protection, is connected between combination overvoltage protector TBP and single-phase vacuum contactor JZa, JZb, the JZc.
See Fig. 2, extinguishing arc and overvoltage protection include combination overvoltage protector TBP, single-phase vacuum contactor JZa, JZb, JZc, extinguishing arc and overvoltage protection controller ZK, high-voltage and current-limitation fuse FU and voltage transformer pt.
The utility model is applied to the operation principle on extinguishing arc and the overvoltage protection:
When system had overvoltage to occur, combination overvoltage protector TBP at first devoted oneself to work, with the safe range of system's overvoltage Limiting in the insulation of electrical installation permission; When system's generation single-phase earthing; The ac input signal acquisition module 3 of extinguishing arc and overvoltage protection controller is gathered signal such as three-phase voltage U a, Ub, Uc and the open delta voltage U0 that voltage transformer pts provide and is carried out computing through microprocessor 1; Judge that ground property and ground connection are separate, and handle.If the fault that takes place is an intermittent arc grounding; The switch acquisition module 4 of multifunctional microcomputer controller is after gathering ground connection separate; Make the unidirectional vacuum contactor JZ of fault phase closed; Make system be quickly converted to the direct ground connection of stable metallicity by instable arc grounding, the fault phase voltage reduces to zero, and the fault point arc light disappears.After several seconds, make the unidirectional vacuum contactor JZ of ground connection break off again, if fault disappears, then this time fault is sporadic arc grounding, and system restoration normally moves.After if unidirectional vacuum contactor JZ breaks off; Former fault occurs unsettled arc grounding mutually and does not disappear yet; Then device assert that this fault is nonvolatil arc grounding fault, so the unidirectional vacuum contactor JZ of closed once more fault phase waits for operator on duty or microcomputer route selection processing.If the fault that takes place is the metallic earthing fault, 6 of the alarm modules of extinguishing arc and overvoltage protection controller send alarm signal, wait for operator on duty or microcomputer route selection processing.If the fault that takes place is the PT disconnection fault, alarm module 6 sends alarm signal, waits for that the operator on duty handles.
Claims (5)
1. extinguishing arc and overvoltage protection controller is characterized in that: include microprocessor, be connected in power module, ac input signal acquisition module, switch acquisition module and display module on the microprocessor.
2. extinguishing arc according to claim 1 and overvoltage protection controller is characterized in that: be connected with communication module on the described microprocessor.
3. extinguishing arc according to claim 1 and overvoltage protection controller is characterized in that: be connected with alarm module on the described microprocessor.
4. extinguishing arc according to claim 1 and overvoltage protection controller is characterized in that: described display module is selected the LCD display module for use.
5. extinguishing arc according to claim 1 and overvoltage protection controller is characterized in that: be connected with the Keyboard Control module on the described microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201482154U CN202524078U (en) | 2012-04-10 | 2012-04-10 | Arc suppression and overvoltage protection device controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201482154U CN202524078U (en) | 2012-04-10 | 2012-04-10 | Arc suppression and overvoltage protection device controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524078U true CN202524078U (en) | 2012-11-07 |
Family
ID=47107007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201482154U Expired - Fee Related CN202524078U (en) | 2012-04-10 | 2012-04-10 | Arc suppression and overvoltage protection device controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524078U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105790A (en) * | 2012-11-14 | 2013-05-15 | 苏州爱知电机有限公司 | Arc suppression cabinet controller |
| CN106208023A (en) * | 2016-09-13 | 2016-12-07 | 国家电网公司 | A kind of single-phase arc overvoltage based on metallic ground principle limits device |
| CN107154618A (en) * | 2017-07-10 | 2017-09-12 | 合肥东玖电气有限公司 | A kind of intelligent extinguishing arc of height and over-pressure safety device |
| CN108075462A (en) * | 2017-07-10 | 2018-05-25 | 合肥东玖电气有限公司 | A kind of overvoltage protective system |
-
2012
- 2012-04-10 CN CN2012201482154U patent/CN202524078U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105790A (en) * | 2012-11-14 | 2013-05-15 | 苏州爱知电机有限公司 | Arc suppression cabinet controller |
| CN106208023A (en) * | 2016-09-13 | 2016-12-07 | 国家电网公司 | A kind of single-phase arc overvoltage based on metallic ground principle limits device |
| CN107154618A (en) * | 2017-07-10 | 2017-09-12 | 合肥东玖电气有限公司 | A kind of intelligent extinguishing arc of height and over-pressure safety device |
| CN108075462A (en) * | 2017-07-10 | 2018-05-25 | 合肥东玖电气有限公司 | A kind of overvoltage protective system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HEKAI POWER PROTECTION EQUIPMENT CO., LTD Free format text: FORMER OWNER: ANHUI GUOKE ELECTRIC POWER EQUIPMENT CO., LTD. Effective date: 20140102 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 231131 HEFEI, ANHUI PROVINCE TO: 201612 SONGJIANG, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140102 Address after: Songjiang District Minyi road 201612 Shanghai City No. 201 Building 1 Room 302 Patentee after: Shanghai Hekai Power Protection Equipment Co., Ltd. Address before: 231131 Anhui city of Hefei province Shuangfeng Industrial Park, No. 28 Jinhua Road Patentee before: Anhui Guoke Electric Power Equipment Co.,Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20140410 |