CN105259496A - Test device for double-pole electric leakage protection switch - Google Patents
Test device for double-pole electric leakage protection switch Download PDFInfo
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- CN105259496A CN105259496A CN201510648077.4A CN201510648077A CN105259496A CN 105259496 A CN105259496 A CN 105259496A CN 201510648077 A CN201510648077 A CN 201510648077A CN 105259496 A CN105259496 A CN 105259496A
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- leakage circuit
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Abstract
The invention provides a test device for a double-pole electric leakage protection switch which is matched with a first double-pole electric leakage protection switch. The test device comprises a second double-pole electric leakage protection switch, a bypass switch, a first display component and a second display component, wherein the second double-pole electric leakage protection switch comprises a live line input end connected with the first double-pole electric leakage protection switch, a zero line input end connected with the first double-pole electric leakage protection switch, a live line output end connected with a first end of the first display component, and a zero line output end connected with a second end of the first display component; the bypass circuit comprises one end connected with a ground line and the other end connected with a second end of the second display component; and the second display component further comprises a first end which is connected with the live line output end of the second double-pole electric leakage protection switch and the first end of the first display component. According to implementation of the test device provided by the invention, the operation reliability of double-pole electric leakage protection switches of users at home can be effectively tested, the accuracy of a power utilization wiring mode is judged, and the purposes of eliminating potential safety hazards and preventing safety accidents in power utilization are realized.
Description
Technical field
The present invention relates to earth leakage circuit-breaker technical field, particularly relate to a kind of test unit for bipolar earth leakage circuit-breaker.
Background technology
Along with increasing of user household electric equipment, user power utilization load also increases thereupon, gets an electric shock, burns the safety problems such as electrical equipment, even fire and also more and more highlight because electric leakage causes.Domestic electricity leakage protection switch, as " first Protector " of user power utilization safety, its performance quality, for raising safety utilization of electric power level, reduces personal electric shock casualty accident, equipment leakage protection and electrical fire accident etc. and has vital role.
At present, because user power utilization voltage generally adopts single-phase 220V, make in most of user family, all to adopt bipolar two wires earth leakage circuit-breaker, but there is huge potential safety hazard: one, because Domestic electricity leakage protection switch manufacturer is many, model is many and assorted, also dragons and fishes jumbled together for quality, and therefore most Domestic electricity leakage protection switch is difficult to reach earth leakage protection and the object preventing from transshipping; Two, because most electricity consumption user lacks the maintenance consciousness of leakage switch, therefore cannot accomplish regular trial jump, thus cause the problems such as leakage switch is aging, insensitive to happen occasionally; Three, because user family's mesolow mode of connection is multifarious, exist N line (zero line) and PE line (ground wire) and connect false wiring situations such as using, socket place L line (live wire) and N line are exchanged, making leakage switch ineffective.
Therefore; need a kind of test unit for bipolar earth leakage circuit-breaker badly; the Reliability of Microprocessor of bipolar earth leakage circuit-breaker in user family can be gone out by Validity Test; and the correctness of the electricity consumption mode of connection in user family can be judged, to eliminating safe hidden trouble, preventing, user's residential electric power security incident is significant.
Summary of the invention
Embodiment of the present invention technical matters to be solved is; a kind of test unit for bipolar earth leakage circuit-breaker is provided; can the effective Reliability of Microprocessor of bipolar earth leakage circuit-breaker in test subscriber family; judge the correctness of the electricity consumption mode of connection, realize eliminating safe hidden trouble, preventing the object of Electrical Safety accident.
In order to solve the problems of the technologies described above, embodiments provide a kind of test unit for bipolar earth leakage circuit-breaker, its first bipolar earth leakage circuit-breaker being connected live wire and zero line with user family matches, and described test unit comprises the second bipolar earth leakage circuit-breaker, by-pass switch, the first display unit and the second display unit; Wherein,
Described second bipolar earth leakage circuit-breaker comprises the live wire input end be connected with described first bipolar earth leakage circuit-breaker by described live wire, by the zero line input end that described zero line is connected with described first bipolar earth leakage circuit-breaker, the fire wire output end be connected with the first end of described first display unit, and the zero line output terminal be connected with the second end of described first display unit;
Described by-pass switch comprises the one end be connected with ground wire, and the other end be connected with the second end of described second display unit;
Described second display unit also comprises the first end be all connected with the fire wire output end of described second bipolar earth leakage circuit-breaker and the first end of described first display unit.
Wherein, described by-pass switch is one pole air switch or pushbutton switch.
Wherein, described first display unit is one among bulb, signal lamp, LED.
Wherein, described second display unit is one among bulb, signal lamp, LED.
Implement the embodiment of the present invention, there is following beneficial effect:
In embodiments of the present invention; owing to building the circuit formed by the second bipolar earth leakage circuit-breaker, by-pass switch, the first and second display units; and pass through shirtsleeve operation; simulation drain conditions occurs; can the Reliability of Microprocessor of bipolar earth leakage circuit-breaker in test subscriber family timely and effectively; judge the correctness of the electricity consumption mode of connection, thus reach and realize eliminating safe hidden trouble, preventing the object of Electrical Safety accident.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, the accompanying drawing obtaining other according to these accompanying drawings still belongs to category of the present invention.
The circuit connection diagram of the test unit for bipolar earth leakage circuit-breaker that Fig. 1 provides for the embodiment of the present invention;
One scene application schematic diagram of the test unit for bipolar earth leakage circuit-breaker that Fig. 2 provides for the embodiment of the present invention;
Another scene application schematic diagram of the test unit for bipolar earth leakage circuit-breaker that Fig. 3 provides for the embodiment of the present invention;
The another scene application schematic diagram of the test unit for bipolar earth leakage circuit-breaker that Fig. 4 provides for the embodiment of the present invention;
In figure, the bipolar leakage switch of M-second, N-by-pass switch, L1-first display unit, L2-second display unit, L-live wire, N-zero line, PE-ground wire.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, for a kind of test unit for bipolar earth leakage circuit-breaker that the embodiment of the present invention provides, its first bipolar earth leakage circuit-breaker being connected live wire L and zero line N with user family matches, and this test unit comprises the second bipolar earth leakage circuit-breaker M, by-pass switch N, the first display unit L1 and the second display unit L2; Wherein,
Second bipolar earth leakage circuit-breaker M comprises the live wire input end m1 be connected with the first bipolar earth leakage circuit-breaker by live wire L, by the zero line input end m2 that zero line N is connected with the first bipolar earth leakage circuit-breaker, the fire wire output end m3 be connected with the first end a1 of the first display unit L1, and the zero line output terminal m4 be connected with the second end a2 of the first display unit L1;
By-pass switch N comprises the one end be connected with ground wire PE, and the other end be connected with the second end b2 of the second display unit L2;
The first end b1 that the first end a1 of fire wire output end m1 and the first display unit L1 that the second display unit L2 also comprises earth leakage circuit-breaker M bipolar with second is all connected.
Should be noted that; in the embodiment of the present invention, the problem to be solved of test unit is exactly: the fault and the wiring error that detect the first bipolar earth leakage circuit-breaker self; therefore, before detecting, the first bipolar earth leakage circuit-breaker can normally be connected with live wire L and zero line N or abnormal connected.
Further, by-pass switch N is one pole air switch or pushbutton switch.
Further, the first display unit L1 is one among bulb, signal lamp, LED.
Further, the second display unit L2 is one among bulb, signal lamp, LED.
Be understandable that, the object of the first display unit L1 and the second display unit L2 is that therefore the two can also be other displayable equipment or device for the ease of observing.
Should be noted that, before the correctness detecting the first bipolar leakage switch in user family, whether the test unit should tested in the embodiment of the present invention is normal, concrete steps are as follows: first, second bipolar earth leakage circuit-breaker M is correctly connected with ground wire PE with live wire L, zero line N, for the ease of convenient test, certainly can directly access on a Three-hole socket; Secondly, closed second bipolar earth leakage circuit-breaker M, determines that the first display unit L1 existing continuous is lightened state, as shown in Figure 2; Finally, closes bypass switch N moment, determine that the first display unit L1 and the second display unit L2 is lightened state, as shown in Figure 3, after certain hour, the first display unit L1 and the equal automatic distinguishing of the second display unit L2; In summary, test unit is completely normal, namely can enter the first bipolar earth leakage circuit-breaker stage in test subscriber family.
As shown in Figure 4, the application scenarios of the test unit for bipolar earth leakage circuit-breaker in the embodiment of the present invention is described further:
The first step, determine the junction (as Three-hole socket) of the first bipolar earth leakage circuit-breaker in user family and correspondence thereof, to determine that the wiring of the test unit of the embodiment of the present invention is normal further; As: the first end of Three-hole socket is connected with the live wire input end m1 of one end of live wire L, the first bipolar earth leakage circuit-breaker and the second bipolar earth leakage circuit-breaker M, second end is connected with the other end of zero line N, the first bipolar earth leakage circuit-breaker and the zero line input end m2 of the second bipolar earth leakage circuit-breaker M, and one end and the ground wire PE of the 3rd end and by-pass switch N are connected;
Second step, closed second bipolar earth leakage circuit-breaker M, determine that the first display unit L1 is for continuing lightened state;
3rd step, closes bypass switch N, second bipolar earth leakage circuit-breaker M is tripped, realize the first display unit L1 and change OFF state into by continuing lightened state, and changing lightened state into by OFF state and changing OFF state into again of the second display unit L2, namely once bright;
The first bipolar earth leakage circuit-breaker action situation of the 4th step, detection user; When the first bipolar earth leakage circuit-breaker tripping operation being detected, then determine that the first bipolar earth leakage circuit-breaker is normal; And when detecting that the first bipolar earth leakage circuit-breaker is failure to actuate; then determine that the first bipolar earth leakage circuit-breaker is abnormal; as the first bipolar earth leakage circuit-breaker self breaks down, there is mistake etc. in the first bipolar earth leakage circuit-breaker wiring, therefore can investigate further.
Implement the embodiment of the present invention, there is following beneficial effect:
In embodiments of the present invention; owing to building the circuit formed by the second bipolar earth leakage circuit-breaker, by-pass switch, the first and second display units; and pass through shirtsleeve operation; simulation drain conditions occurs; can the Reliability of Microprocessor of bipolar earth leakage circuit-breaker in test subscriber family timely and effectively; judge the correctness of the electricity consumption mode of connection, thus reach and realize eliminating safe hidden trouble, preventing the object of Electrical Safety accident.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (4)
1. the test unit for bipolar earth leakage circuit-breaker, its first bipolar earth leakage circuit-breaker being connected live wire and zero line with user family matches, it is characterized in that, described test unit comprises the second bipolar earth leakage circuit-breaker (M), by-pass switch (N), the first display unit (L1) and the second display unit (L2); Wherein,
Described second bipolar earth leakage circuit-breaker (M) comprises the live wire input end (m1) be connected with described first bipolar earth leakage circuit-breaker by described live wire, by the zero line input end (m2) that described zero line is connected with described first bipolar earth leakage circuit-breaker, the fire wire output end (m3) be connected with the first end (a1) of described first display unit (L1), and the zero line output terminal (m4) be connected with second end (a2) of described first display unit (L1);
Described by-pass switch (N) comprises the one end be connected with ground wire, and the other end be connected with second end (b2) of described second display unit (L2);
Described second display unit (L2) also comprises the first end (b1) be all connected with the described fire wire output end (m1) of the second bipolar earth leakage circuit-breaker (M) and the first end (a1) of described first display unit (L1).
2. test unit as claimed in claim 1, it is characterized in that, described by-pass switch (N) is one pole air switch or pushbutton switch.
3. test unit as claimed in claim 1, is characterized in that, described first display unit (L1) is bulb, one among signal lamp, LED.
4. test unit as claimed in claim 1, is characterized in that, described second display unit (L2) is bulb, one among signal lamp, LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648077.4A CN105259496B (en) | 2015-10-09 | 2015-10-09 | A kind of experimental rig for bipolar earth leakage circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648077.4A CN105259496B (en) | 2015-10-09 | 2015-10-09 | A kind of experimental rig for bipolar earth leakage circuit-breaker |
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| CN105259496A true CN105259496A (en) | 2016-01-20 |
| CN105259496B CN105259496B (en) | 2018-03-13 |
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Citations (7)
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| CN2049365U (en) * | 1988-09-20 | 1989-12-13 | 谢培义 | Tester for low-voltage leakage protective device |
| EP1320164A1 (en) * | 2001-12-17 | 2003-06-18 | Schneider Electric Industries SAS | Differential trip device with a test circuit |
| DE102008006360B3 (en) * | 2008-01-28 | 2009-07-23 | Siemens Aktiengesellschaft | Residual current circuit breaker and method for performing a self-test of a residual current circuit breaker |
| CN201444181U (en) * | 2009-06-15 | 2010-04-28 | 山东鲁西化工股份有限公司东阿第八化肥厂 | Leakage protector test instrument |
| CN201654187U (en) * | 2010-02-05 | 2010-11-24 | 鲁西化工集团股份有限公司氯碱化工分公司 | Leakage protection tester |
| CN103091629A (en) * | 2013-02-01 | 2013-05-08 | 山东电力集团公司莱芜供电公司 | Domestic residual-current circuit breaker simple tester |
| CN203759153U (en) * | 2014-02-12 | 2014-08-06 | 国网宁夏电力公司固原供电公司 | Home unclassed leakage protector test tool |
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2015
- 2015-10-09 CN CN201510648077.4A patent/CN105259496B/en active Active
Patent Citations (7)
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|---|---|---|---|---|
| CN2049365U (en) * | 1988-09-20 | 1989-12-13 | 谢培义 | Tester for low-voltage leakage protective device |
| EP1320164A1 (en) * | 2001-12-17 | 2003-06-18 | Schneider Electric Industries SAS | Differential trip device with a test circuit |
| DE102008006360B3 (en) * | 2008-01-28 | 2009-07-23 | Siemens Aktiengesellschaft | Residual current circuit breaker and method for performing a self-test of a residual current circuit breaker |
| CN201444181U (en) * | 2009-06-15 | 2010-04-28 | 山东鲁西化工股份有限公司东阿第八化肥厂 | Leakage protector test instrument |
| CN201654187U (en) * | 2010-02-05 | 2010-11-24 | 鲁西化工集团股份有限公司氯碱化工分公司 | Leakage protection tester |
| CN103091629A (en) * | 2013-02-01 | 2013-05-08 | 山东电力集团公司莱芜供电公司 | Domestic residual-current circuit breaker simple tester |
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