CN201549868U - Low-voltage switch intelligent controller - Google Patents
Low-voltage switch intelligent controller Download PDFInfo
- Publication number
- CN201549868U CN201549868U CN2009202008036U CN200920200803U CN201549868U CN 201549868 U CN201549868 U CN 201549868U CN 2009202008036 U CN2009202008036 U CN 2009202008036U CN 200920200803 U CN200920200803 U CN 200920200803U CN 201549868 U CN201549868 U CN 201549868U
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- low tension
- tension switch
- intelligent controller
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- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000006837 decompression Effects 0.000 description 19
- 238000004146 energy storage Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 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 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
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Abstract
The utility model relates to a low-voltage switch intelligent controller, which comprises a low-voltage switch incoming line side voltage detection circuit, a low-voltage switch outgoing line side voltage detection circuit, a low-voltage switch operating state detection circuit, a low-voltage switch control circuit and an intelligent controller MCU. The low-voltage switch control circuit comprises a switching-on driving module; the intelligent controller MCU comprises an after-random delay automatic switching-on operation module; the after-random delay automatic switching-on operation module is connected with the switching-on driving module; the low-voltage switch control circuit also comprises a switching-on driving forbidding module; the intelligent controller MCU also comprises a transfinite closing switching-on control module; and the transfinite closing switching on control module is connected with the switching-on driving forbidding module. The utility model provides the low-voltage intelligent controller with the function of automatic switching-on operation after random delay and the function of switching-on operation forbidding.
Description
Technical field
The utility model belongs to a kind of low tension switch Comprehensive Control protective device.
Background technology
Low tension switch (also claiming automatic air-break switch, all-purpose air breaker) is widely used in the low-voltage distribution system, and when circuit under voltage, overload, short circuit take place when, the automatic trip of low tension switch energy, thus the protection power consumption equipment improves power supply quality.Actual in network operation, because of circuit overload, short circuit cause the low tension switch less generation of tripping, the back operations staff is taken place reach the spot, can operate the low tension switch manual closing operation after fixing a breakdown.In network operation, more have more existing be owing to the electrical network reason (thunderbolt, build construction to cable destroy, maintenance) dead electricity, and then cause this circuit low tension switch no-voltage trip to trip, again behind the incoming call, all low tension switches all need personnel's manual closing operation of reaching the spot, and cause that working strength is big, interruption duration long, user satisfaction is poor, power supply reliability is low.
Present a great deal of low-voltage distribution system adopts two transformers to be incorporated into the power networks by the low pressure bus connection switch, and when sending a telegram here again after having a power failure, original relation of being incorporated into the power networks can't record, needs personnel to reach the spot manual operation to recover original and net state.
The defective that existing low tension switch control device exists is: function singleness, and the No switching on operation be can not realize, automatic closing operation and sub-switching operation forbidden, can not realize integrated protection.
Summary of the invention
For the function singleness that overcomes existing low tension switch control device, the deficiency that can not realize integrated protection; it is a kind of when possessing behind the random delay automatic closing operating function that the utility model provides, and has the low tension switch intelligent controller of No switching on operating function concurrently.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of low tension switch intelligent controller, comprise low tension switch inlet wire side voltage detecting circuit, low tension switch outlet side voltage detecting circuit, the low tension switch Working state checking circuit, low tension switch control circuit and intelligent controller MCU, described low tension switch inlet wire side voltage detecting circuit, low tension switch outlet side voltage detecting circuit is connected described intelligent controller MCU with the low tension switch Working state checking circuit, described intelligent controller MCU connects the low tension switch control circuit, described low tension switch control circuit comprises the combined floodgate driver module, described intelligent controller MCU comprises automatic closing operational module behind the random delay, the automatic closing operational module connects described combined floodgate driver module behind the described random delay, described low tension switch control circuit also comprises the No switching on driver module, described intelligent controller MCU also comprises: be used for when the decompression state takes place, detecting the preceding low tension switch of decompression generation is "on" position, and at the back line voltage that calculates three-phase circuit of decompression recovery, if one of them line voltage is greater than preset value, be judged to be No switching on and send the locking switch-on controlling module that transfinites of blocking order to the combined floodgate drive circuit, the described locking switch-on controlling module that transfinites connects described No switching on driver module.
Further, described low tension switch intelligent controller also comprises the line fault current detection circuit, described intelligent controller MCU also comprises: if after being used for the low tension switch operating state and changing to sub-gate position by the closing position, detecting low tension switch inlet wire side voltage does not have decompression to take place, detect overcurrent simultaneously, the artificial separating brake of short circuit generation or low tension switch operating state takes place, after decompression is recovered, judge forbid the automatic closing operation forbid the automatic closing control module, described line fault current detection circuit connects the described automatic closing control module of forbidding, the described automatic closing control module of forbidding connects described combined floodgate driver module.
Further again, described low tension switch control circuit also comprises the separating brake driver module, described low tension switch intelligent controller also comprises low tension switch temperature detection part and low tension switch Humidity Detection parts, described intelligent controller MCU also comprises: be used for when detecting the power supply quality instability, the low tension switch temperature is out-of-limit, out-of-limit or the neutral line break generation of low tension switch humidity, send the separating brake control module of trip command to the separating brake driver module, described low tension switch temperature detection part is connected described separating brake control module with low tension switch Humidity Detection parts, and described separating brake control module connects described separating brake driver module.
Technical conceive of the present utility model is: at the other low tension switch intelligent controller of installing of low tension switch, this low tension switch intelligent controller comprises low tension switch inlet wire side voltage detecting circuit, low tension switch outlet side voltage detecting circuit, low tension switch Working state checking circuit, low tension switch control circuit, line fault current detection circuit, low tension switch temperature detection part, low tension switch Humidity Detection parts, intelligent controller MCU.Intelligent controller MCU is to low tension switch inlet wire side voltage detecting circuit; low tension switch outlet side voltage detecting circuit; the low tension switch Working state checking circuit; the line fault current detection circuit; the low tension switch temperature detection part; low tension switch Humidity Detection parts testing result is comprehensively judged, finishes the automated randomized time-delay reclosing of no-voltage trip; normal disjunction and protection action locking reclosing; load side has the electric locking reclosing; the locking of transfiniting of female commissural arch condition is closed a floodgate; the power supply quality monitoring; the out-of-limit protection of low tension switch humiture; the neutral line break protection; the low tension switch automatic switching that is incorporated into the power networks by bus connection switch.
The beneficial effects of the utility model mainly show: 1), owing to the electrical network reason (thunderbolt, build construction to cable destroy, maintenance) dead electricity, incoming call back low tension switch intelligent controller can be judged the dead electricity reason, the low tension switch that causes as decompression trips, the low tension switch intelligent controller will be controlled the automated randomized time-delay reclosing of low tension switch, avoid electrical network is caused temporary impact, minimizing personnel working strength improves user satisfaction.2), when user's self power generation drops into, behind the incoming call, the low tension switch intelligent controller can detect load side the electric locking reclosing again, thereby avoids accident to take place.3), the low tension switch that is incorporated into the power networks by the bus connection switch back automatic switching of sending a telegram here again, reduce workload.4), the low tension switch intelligent controller detects voltage difference automatically, when voltage difference transfinites, bus connection switch cyclization condition does not satisfy, the locking of low tension switch intelligent controller is closed a floodgate, and prevents from not meet under the situation of the condition of being incorporated into the power networks to force to be incorporated into the power networks generations, avoids the accident generation.5), neutral line break, low tension switch humiture can drive the quick disjunction load of low tension switch after out-of-limit, reduces causality loss.
Description of drawings
Fig. 1 is the utility model low tension switch intelligent controller principle figure block diagram.
Fig. 2 is the installation site of the utility model low tension switch intelligent controller in low-voltage distribution system.Among the figure: DW is a low tension switch; GL1 is the inlet wire isolating switch; GL2 is the outlet isolating switch; The switch auxiliary contact inserts low tension switch and often drives auxiliary contact; The energy storage auxiliary contact inserts low tension switch energy storage auxiliary contact; Energy storage drives receives low tension switch energy storage button two ends; Separating brake drives receives low tension switch opening button two ends; Close a floodgate to drive and receive low tension switch switch knob two ends; Prohibiting closes a floodgate drives in the access low tension switch closing circuit.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
See figures.1.and.2, a kind of low tension switch intelligent controller, comprise low tension switch inlet wire side voltage detecting circuit, low tension switch outlet side voltage detecting circuit, the low tension switch Working state checking circuit, low tension switch control circuit and intelligent controller MCU, described low tension switch inlet wire side voltage detecting circuit, low tension switch outlet side voltage detecting circuit is connected described intelligent controller MCU with the low tension switch Working state checking circuit, described intelligent controller MCU connects the low tension switch control circuit, described low tension switch control circuit comprises the combined floodgate driver module, described intelligent controller MCU comprises automatic closing operational module behind the random delay, the automatic closing operational module connects described combined floodgate driver module behind the described random delay, described low tension switch control circuit also comprises the No switching on driver module, described intelligent controller MCU also comprises: be used for when the decompression state takes place, detecting the preceding low tension switch of decompression generation is "on" position, and at the back line voltage that calculates three-phase circuit of decompression recovery, if one of them line voltage is greater than preset value, be judged to be No switching on and send the locking switch-on controlling module that transfinites of blocking order to the combined floodgate drive circuit, the described locking switch-on controlling module that transfinites connects described No switching on driver module.
Further, described low tension switch intelligent controller also comprises the line fault current detection circuit, described intelligent controller MCU also comprises: if after being used for the low tension switch operating state and changing to sub-gate position by the closing position, detecting low tension switch inlet wire side voltage does not have decompression to take place, detect overcurrent simultaneously, the artificial separating brake of short circuit generation or low tension switch operating state takes place, after decompression is recovered, judge forbid the automatic closing operation forbid the automatic closing control module, described line fault current detection circuit connects the described automatic closing control module of forbidding, the described automatic closing control module of forbidding connects described combined floodgate driver module.
Further again, described low tension switch control circuit also comprises the separating brake driver module, described low tension switch intelligent controller also comprises low tension switch temperature detection part and low tension switch Humidity Detection parts, described intelligent controller MCU also comprises: be used for when detecting the power supply quality instability, the low tension switch temperature is out-of-limit, out-of-limit or the neutral line break generation of low tension switch humidity, send the separating brake control module of trip command to the separating brake driver module, described low tension switch temperature detection part is connected described separating brake control module with low tension switch Humidity Detection parts, and described separating brake control module connects described separating brake driver module.
The low tension switch intelligent controller is installed on by the low tension switch, mounting means such as Fig. 2.In the low-voltage distribution system of two-way inlet wire one bus connection switch, service entrance switch and bus connection switch all need be installed this device.
The low tension switch intelligent controller is by low tension switch inlet wire side voltage detecting circuit, low tension switch outlet side voltage detecting circuit, the low tension switch Working state checking circuit, line fault current detection circuit collection result, after detecting low tension switch operating state (switch auxiliary contact state) and changing to sub-gate position by the closing position, detecting low tension switch inlet wire side voltage takes place if any decompression, and the line fault current detection circuit does not detect overcurrent, short circuit takes place, voltage detecting circuit detects the requirement of outlet side voltage conforms combined floodgate if decompression is recovered back low tension switch outlet side, and (energy storage drives the low tension switch intelligent controller by the low tension switch control circuit, close a floodgate to drive) low tension switch is carried out automatic closing operation behind the random delay.If low tension switch outlet side voltage detecting circuit detected outlet side voltage and do not meet the combined floodgate requirement after decompression was recovered, the low tension switch intelligent controller has the electric locking reclosing operation because of load side.After if low tension switch operating state (switch auxiliary contact state) changes to sub-gate position by the closing position, detecting low tension switch inlet wire side voltage does not have decompression to take place, the line fault current detection circuit detects the artificial separating brake of overcurrent, short circuit generation or low tension switch operating state and takes place, and decompression is recovered back low tension switch intelligent controller and forbidden the automatic closing operation.
Detect the power supply quality instability at network operation process mesolow switch intelligent controller, the low tension switch temperature is out-of-limit, low tension switch humidity is out-of-limit, neutral line break takes place, and by low tension switch control circuit (separating brake drivings) low tension switch is tripped.
In the low-voltage distribution system of two-way inlet wire one bus connection switch, operating state before the automatic recording pressure loss of low tension switch intelligent controller takes place, when the two-way inlet wire is incorporated into the power networks by mother's connection, if decompression takes place, low tension switch was a "on" position before decompression took place, decompression recover back low tension switch intelligent controller calculated load side (be expressed as a b c n) with the inlet wire side (be expressed as A B C N) voltage effective value (is expressed as UAa between corresponding line and the line, UBb, UCc), work as UAa, UBb, UCc is during all less than set point, guaranteeing by low tension switch control circuit (prohibit close a floodgate drive) can automatic closing, finishes the low tension switch automatic switching function that is incorporated into the power networks by bus connection switch.Any one guarantees No switching on greater than set point by low tension switch control circuit (prohibit close a floodgate drive) in UAa, UBb, UCc, finishes female commissural arch condition locking closing function that transfinites.
Claims (3)
1. low tension switch intelligent controller, comprise low tension switch inlet wire side voltage detecting circuit, low tension switch outlet side voltage detecting circuit, the low tension switch Working state checking circuit, low tension switch control circuit and intelligent controller MCU, described low tension switch inlet wire side voltage detecting circuit, low tension switch outlet side voltage detecting circuit is connected described intelligent controller MCU with the low tension switch Working state checking circuit, described intelligent controller MCU connects the low tension switch control circuit, described low tension switch control circuit comprises the combined floodgate driver module, described intelligent controller MCU comprises automatic closing operational module behind the random delay, the automatic closing operational module connects described combined floodgate driver module behind the described random delay, it is characterized in that: described low tension switch control circuit also comprises the No switching on driver module, described intelligent controller MCU also comprises the locking switch-on controlling module that transfinites, and the described locking switch-on controlling module that transfinites connects described No switching on driver module.
2. low tension switch intelligent controller as claimed in claim 1, it is characterized in that: described low tension switch intelligent controller also comprises the line fault current detection circuit, described intelligent controller MCU also comprises and forbids the automatic closing control module, described line fault current detection circuit connects the described automatic closing control module of forbidding, the described automatic closing control module of forbidding connects described combined floodgate driver module.
3. low tension switch intelligent controller as claimed in claim 1 or 2, it is characterized in that: described low tension switch control circuit also comprises the separating brake driver module, described low tension switch intelligent controller also comprises low tension switch temperature detection part and low tension switch Humidity Detection parts, described intelligent controller MCU also comprises the separating brake control module, described low tension switch temperature detection part is connected described separating brake control module with low tension switch Humidity Detection parts, and described separating brake control module connects described separating brake driver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202008036U CN201549868U (en) | 2009-11-21 | 2009-11-21 | Low-voltage switch intelligent controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202008036U CN201549868U (en) | 2009-11-21 | 2009-11-21 | Low-voltage switch intelligent controller |
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| Publication Number | Publication Date |
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| CN201549868U true CN201549868U (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202008036U Expired - Lifetime CN201549868U (en) | 2009-11-21 | 2009-11-21 | Low-voltage switch intelligent controller |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413602A (en) * | 2011-07-23 | 2012-04-11 | 李鸿 | An intelligent temperature limiting protection device for LED street lamps |
| CN104753323A (en) * | 2013-12-27 | 2015-07-01 | 上海安川电动机器有限公司 | Frequency converter, frequency converter control method and frequency converter control device |
| CN106329466A (en) * | 2016-11-14 | 2017-01-11 | 国网浙江慈溪市供电公司 | Low-voltage switch control device |
| CN107993878A (en) * | 2017-12-29 | 2018-05-04 | 浙江航都电子科技有限公司 | A kind of high-voltage circuitbreaker quickly protects control module |
| CN108631437A (en) * | 2018-03-16 | 2018-10-09 | 广东电网有限责任公司清远供电局 | A kind of low-voltage distribution network automatic control system |
| CN108767977A (en) * | 2018-03-28 | 2018-11-06 | 浙江正泰仪器仪表有限责任公司 | A kind of control intelligent electric energy meter closing switch method and device |
| CN112821393A (en) * | 2021-02-02 | 2021-05-18 | 云南电网有限责任公司德宏供电局 | Low-voltage reverse-power-supply-preventing switch and control method thereof |
| CN115101393A (en) * | 2022-05-17 | 2022-09-23 | 国网山东省电力公司临沭县供电公司 | Automatic closing device for low-voltage switch under voltage loss tripping |
-
2009
- 2009-11-21 CN CN2009202008036U patent/CN201549868U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413602A (en) * | 2011-07-23 | 2012-04-11 | 李鸿 | An intelligent temperature limiting protection device for LED street lamps |
| CN104753323A (en) * | 2013-12-27 | 2015-07-01 | 上海安川电动机器有限公司 | Frequency converter, frequency converter control method and frequency converter control device |
| CN104753323B (en) * | 2013-12-27 | 2017-11-28 | 上海安川电动机器有限公司 | A kind of frequency converter, frequency converter control method and control device |
| CN106329466A (en) * | 2016-11-14 | 2017-01-11 | 国网浙江慈溪市供电公司 | Low-voltage switch control device |
| CN107993878A (en) * | 2017-12-29 | 2018-05-04 | 浙江航都电子科技有限公司 | A kind of high-voltage circuitbreaker quickly protects control module |
| CN108631437A (en) * | 2018-03-16 | 2018-10-09 | 广东电网有限责任公司清远供电局 | A kind of low-voltage distribution network automatic control system |
| CN108767977A (en) * | 2018-03-28 | 2018-11-06 | 浙江正泰仪器仪表有限责任公司 | A kind of control intelligent electric energy meter closing switch method and device |
| CN112821393A (en) * | 2021-02-02 | 2021-05-18 | 云南电网有限责任公司德宏供电局 | Low-voltage reverse-power-supply-preventing switch and control method thereof |
| CN115101393A (en) * | 2022-05-17 | 2022-09-23 | 国网山东省电力公司临沭县供电公司 | Automatic closing device for low-voltage switch under voltage loss tripping |
| CN115101393B (en) * | 2022-05-17 | 2023-09-01 | 国网山东省电力公司临沭县供电公司 | Automatic closing device for low-voltage switch voltage-losing tripping |
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Granted publication date: 20100811 |
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Addressee: Hangzhou Bit Information Technology Co., Ltd. Document name: Notification of Expiration of Patent Right Duration |
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