CN202856315U - Intelligent phase failure leakage breaker - Google Patents
Intelligent phase failure leakage breaker Download PDFInfo
- Publication number
- CN202856315U CN202856315U CN 201220546588 CN201220546588U CN202856315U CN 202856315 U CN202856315 U CN 202856315U CN 201220546588 CN201220546588 CN 201220546588 CN 201220546588 U CN201220546588 U CN 201220546588U CN 202856315 U CN202856315 U CN 202856315U
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- China
- Prior art keywords
- chip microcomputer
- circuit breaker
- interruption
- intelligent phase
- release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an intelligent phase failure leakage breaker, comprising a release device arranged on a live line, a release device control circuit connected with the release device, and a leakage release test device, characterized by also comprising a zero-sequence current transformer, an electronic board assembly connected with the zero-sequence current transformer through signals, and a single-chip microcomputer connected with the electronic board assembly in a control mode, the single-chip microcomputer is connected with the release device control circuit and also connected with a control operation module used for modifying the control program of the single-chip microcomputer, and the zero-sequence current transformer is an induction coil encircling a null line and a live line. Compared with the prior art, the intelligent phase failure leakage breaker has the advantages of being wide in application range and high in intelligentization degree.
Description
Technical field
The utility model relates to the emergency protection circuit device for electric to difference between current or voltage difference response, relates in particular to a kind of intelligent phase-interruption leakage circuit breaker.
Background technology
To be exactly that normal three phase mains is wherein a certain open circuit so-called phase shortage mutually. and original three-phase equipment can reduce power output makes its cisco unity malfunction, or causes the accident.Therefore, in order to ensure the safe operation of motor, make it can in time stop the operation of motor when phase-deficient operation occurs, avoid causing the motor burnout failure, general motor all is equipped with phase-lacking protective device.
In the prior art, power-off protection commonly used mainly contains two kinds: electroheating type JR thermal relay and current protection type.Electroheating type JR thermal relay makes and adopts the Metal Hot Forming principle to realize power-off protection being subjected to the impact of its principle, and electroheating type JR thermal relay response sensitivity is low, and reaction speed is slow, and easily influenced by ambient temperature, and control precision is low.And current protector is widely used in reality production and the life with the high advantage of its reaction sensitivity; But it still is faced with the low defective of little, the intelligent degree of the scope of application at present.
Summary of the invention
For the defective that exists in the prior art, the purpose of this utility model is to develop a kind of applied widely, the phase-interruption leakage circuit breaker that intelligent degree is high.
For reaching above purpose, the utility model adopts following technical scheme.
A kind of intelligent phase-interruption leakage circuit breaker, comprise: be arranged on the release on the live wire, the release control circuit that links to each other with release and electric leakage trip-gear device, it is characterized in that, described residual current circuit breaker also comprises: zero sequence current mutual inductor, the electron plate assembly that is connected with the zero sequence current mutual inductor signal, and with the single-chip microcomputer of electron plate assembly control connection; Described single-chip microcomputer connects the release control circuit, is connected with on this single-chip microcomputer for the control operation module of revising its control program; Described zero sequence current mutual inductor is the induction coil around zero line and live wire.
As with improvement, described electric leakage trip-gear device comprises and is connected on two test resistance and test buttons between live wire.
As with improvement, also be connected with display module on the described single-chip microcomputer.
As with improvement, described electron plate assembly comprises signal amplification circuit.
As with improvement, described control operation module is toggle switch.
Compared with prior art, a kind of intelligent phase-interruption leakage circuit breaker that provides of the utility model has following beneficial effect.
One, by between zero sequence current mutual inductor and dropout control circuit, single-chip microcomputer being set, realize the intelligent decision of fault is processed, reaction sensitivity is high.
Two, by connection control operation module on single-chip microcomputer, make things convenient for the user that the break-make reaction time is independently arranged, the scope of application of effective supply phase-interruption leakage circuit breaker.
Three, by connecting display module at single-chip microcomputer, make things convenient for the user to understand intuitively circuit breaker setting, ruuning situation,, practicality is good.
Description of drawings
Figure 1 shows that a kind of intelligent phase-interruption leakage circuit breaker structural framing figure that the utility model provides;
Figure 2 shows that a kind of intelligent phase-interruption leakage circuit breaker mounting structure schematic diagram that the utility model provides.
Description of reference numerals:
1, release 2, release control circuit 3, trip-gear device 4, zero sequence current mutual inductor 5, electron plate assembly 6, single-chip microcomputer 7, control operation module 31, test resistance 32, test button.
Embodiment
For further setting forth essence of the present utility model, by reference to the accompanying drawings embodiment of the present utility model is described as follows.
As shown in Figure 1, a kind of intelligent phase-interruption leakage circuit breaker, comprise: be arranged on the release 1 on the live wire, the release control circuit 2 that links to each other with release 1 and electric leakage trip-gear device 3, it is characterized in that, described residual current circuit breaker also comprises: zero sequence current mutual inductor 4, the electron plate assembly 5 that is connected with zero sequence current mutual inductor 4 signals, and with the single-chip microcomputer 6 of electron plate assembly 5 control connections; Described single-chip microcomputer 6 connects release control circuit 2, is connected with on this single-chip microcomputer 6 for the control operation module 7 of revising its control program.
Wherein, as shown in Figure 2, described zero sequence current mutual inductor 4 is the induction coil around zero line and live wire; Described electron plate assembly 5 is provided with signal amplification circuit, forms signal amplifier; Described control operation module 7 is toggle switch; Described electric leakage trip-gear device 3 comprises: be connected on two test resistance 31 and test buttons 32 between live wire.After the residual current circuit breaker actual installation is good, should at first check by electric leakage trip-gear device 3 whether connection is accurate, as press test button 32 rear phase shortage circuit breakers energy disjunctions, illustrate that then the circuit installation is correct; Otherwise, should check circuit, fix a breakdown.
During a kind of intelligent phase shortage circuit breaker specific works that present embodiment provides; if there is the electric leakage accident to occur; induction coil produces an induced current according to the curent change on zero line and the live wire; induced current is transferred to single-chip microcomputer by amplifier; the parameter that single-chip microcomputer is set according to the user is again passed through the disjunction of release control circuit control release, reaches the purpose of intelligent protection.
Further, understand more intuitively for the convenience of the user setting and the running status of phase-interruption leakage circuit breaker, also be connected with display module on the described single-chip microcomputer.Preferably, the liquid crystal display of described display module 8 or LED electronic display.
A kind of intelligent phase-interruption leakage circuit breaker that present embodiment provides by between zero sequence current mutual inductor and dropout control circuit single-chip microcomputer being set, is realized the intelligent decision of fault is processed.Simultaneously, owing to connection control operation module on single-chip microcomputer, make things convenient for the user that the break-make reaction time is independently arranged, the scope of application of effective supply phase-interruption leakage circuit breaker.In addition, by connecting display module at single-chip microcomputer, make things convenient for the user to understand intuitively circuit breaker setting, ruuning situation,, practicality is good.
Above embodiment has been described in detail essence of the present utility model, but can not come protection range of the present utility model is limited with this.In every case according to the essence of the utility model, the simple modification of doing and improvement all drop within the claim protection range of the present utility model.
Claims (5)
1. intelligent phase-interruption leakage circuit breaker, comprise: be arranged on the release on the live wire, the release control circuit that links to each other with release and electric leakage trip-gear device, it is characterized in that, described residual current circuit breaker also comprises: zero sequence current mutual inductor, the electron plate assembly that is connected with the zero sequence current mutual inductor signal, and with the single-chip microcomputer of electron plate assembly control connection; Described single-chip microcomputer connects the release control circuit, is connected with on this single-chip microcomputer for the control operation module of revising its control program; Described zero sequence current mutual inductor is the induction coil around zero line and live wire.
2. intelligent phase-interruption leakage circuit breaker according to claim 1 is characterized in that, described electric leakage trip-gear device comprises and is connected on two test resistance and test buttons between live wire.
3. intelligent phase-interruption leakage circuit breaker according to claim 1 is characterized in that, also is connected with display module on the described single-chip microcomputer.
4. intelligent phase-interruption leakage circuit breaker according to claim 1 is characterized in that, described electron plate assembly comprises signal amplification circuit.
5. intelligent phase-interruption leakage circuit breaker according to claim 1 is characterized in that, described control operation module is toggle switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546588 CN202856315U (en) | 2012-10-24 | 2012-10-24 | Intelligent phase failure leakage breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546588 CN202856315U (en) | 2012-10-24 | 2012-10-24 | Intelligent phase failure leakage breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202856315U true CN202856315U (en) | 2013-04-03 |
Family
ID=47987473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220546588 Expired - Fee Related CN202856315U (en) | 2012-10-24 | 2012-10-24 | Intelligent phase failure leakage breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202856315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736846A (en) * | 2019-10-28 | 2021-04-30 | 株洲中车机电科技有限公司 | Integrated mutual inductor with leakage protection and zero sequence protection functions and application method |
-
2012
- 2012-10-24 CN CN 201220546588 patent/CN202856315U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736846A (en) * | 2019-10-28 | 2021-04-30 | 株洲中车机电科技有限公司 | Integrated mutual inductor with leakage protection and zero sequence protection functions and application method |
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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: 20130403 Termination date: 20141024 |
|
| EXPY | Termination of patent right or utility model |