CN102053197A - Switch cue circuit during power failures - Google Patents
Switch cue circuit during power failures Download PDFInfo
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- CN102053197A CN102053197A CN 201010616823 CN201010616823A CN102053197A CN 102053197 A CN102053197 A CN 102053197A CN 201010616823 CN201010616823 CN 201010616823 CN 201010616823 A CN201010616823 A CN 201010616823A CN 102053197 A CN102053197 A CN 102053197A
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- switch
- rechargeable battery
- branch road
- power failure
- electrical equipment
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Abstract
The invention discloses a switch cue circuit during power failures. The circuit provided by the invention comprises a first branch circuit and a second branch circuit which are connected with a power supply and are parallel to each other; the first branch circuit is connected with electrical equipment and a first switch in series; the second branch circuit is connected with a rechargeable battery and a second switch in series; the positive pole of the rechargeable battery is connected with the second switch; an indicator light is connected with a third switch in series and is connected with the rechargeable battery in parallel; the first switch and the third switch are simultaneously switched on or off; and the second switch and the first switch are asynchronously switched on or off. By using the technical scheme of the invention, whether the electrical equipment is in a closing state or a starting state can be known effectively during power failures.
Description
Technical field
The present invention relates to power domain, switch cue circuit when particularly relating to a kind of power failure.
Background technology
In daily life, various household electrical appliance have become people's necessary part of living.Household electrical appliance are convenient and swift to being not only of bringing of people, make life more rich and varied simultaneously.And electricity is supported all household electric appliance operations, and when having a power failure, various electrical equipment are with in paralyzed state.
When having a power failure, people can run into a kind of like this puzzlement: whether the switch of not knowing household electrical appliance closes.Can make like this at unexpected incoming call and in the family under the unmanned situation, the automatic unlatching of some household electrical appliance has caused the waste to electricity.
Summary of the invention
For solving the problems of the technologies described above, switch cue circuit when the embodiment of the invention provides a kind of power failure, with solve have a power failure after, do not know that electrical equipment is in the closed condition or the problem of opening, technical scheme is as follows:
Switch cue circuit during a kind of power failure comprises:
Link to each other and first branch road and second branch road in parallel with power supply; Described first branch road series connection electrical equipment, first switch; The described second branch road serial connection charge battery, second switch; The positive pole of described rechargeable battery links to each other with second switch; Pilot lamp is connected with the 3rd switch, and in parallel with described rechargeable battery; Described first switch and the 3rd switch be with opening with closing, and the second switch and first switch be different opens different closing.
The technical scheme that provides by the above embodiment of the invention as seen because first switch and the 3rd switch with opening with closing, make that the open and close of electrical equipment is identical with the pilot lamp switching, and pilot lamp when power failure by rechargeable battery as power supply.So when having a power failure,, can judge the open and-shut mode of electrical equipment by the light on and off state of viewing lamp, solved effectively when having a power failure, do not know that electrical equipment is in the closed condition or the problem of opening.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the present invention, for those of ordinary skills, can also obtain other accompanying drawing according to these accompanying drawings.
The synoptic diagram of switch cue circuit when Fig. 1 has a power failure for the embodiment of the invention is a kind of.
Embodiment
Switch cue circuit when the embodiment of the invention provides a kind of power failure, described circuit comprises:
Link to each other and first branch road and second branch road in parallel with power supply; Described first branch road series connection electrical equipment, first switch; The described second branch road serial connection charge battery, second switch; The positive pole of described rechargeable battery links to each other with second switch; Pilot lamp is connected with the 3rd switch, and in parallel with described rechargeable battery; Described first switch and the 3rd switch be with opening with closing, and the second switch and first switch be different opens different closing.
In the embodiment of the invention because first switch and the 3rd switch, make that the open and close of electrical equipment is identical with the pilot lamp switching with opening with closing, and pilot lamp when power failure by rechargeable battery as power supply.So when having a power failure,, can judge the open and-shut mode of electrical equipment by the light on and off state of viewing lamp, solved effectively when having a power failure, do not know that electrical equipment is in the closed condition or the problem of opening.
Because the required charging voltage of rechargeable battery that has is not 220V, in order to guarantee not because of the kind of voltage limit to rechargeable battery limits, so, preferably, also comprise on described second branch road: charging resistor; Described charging resistor is connected with described rechargeable battery, and the negative pole of rechargeable battery links to each other with charging resistor.Under the effect of described charging resistor, can make 220V voltage be reduced to the chargeable voltage of described rechargeable battery, thus unrestricted when selecting rechargeable battery.
In order to make those skilled in the art person understand technical scheme among the present invention better, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills obtained should belong to the scope of protection of the invention.
As shown in Figure 1, switch cue circuit during power failure that the embodiment of the invention provides comprises:
Link to each other and the first branch road a and the second branch road b in parallel with power supply 1; Described first branch road a series connection electric light 2, first switch 3; The described second branch road b serial connection charge resistance 4, rechargeable battery 5, second switch 6; The positive pole of described rechargeable battery 5 links to each other with second switch 6, and negative pole links to each other with charging resistor 4; Pilot lamp 8 is connected with the 3rd switch 7, and in parallel with rechargeable battery 5; First switch 3 and the 3rd switch 7 be with opening with closing, and when just first switch 3 was closed, the 3rd switch 7 was also closed, and when first switch 3 disconnected, the 3rd switch 7 also disconnected; The second switch 6 and first switch 3 be different opens different closing, and just, when first switch 3 was closed, second switch 6 disconnected, when first switch 3 disconnects, and second switch 6 closures.Same, second switch 6 and the 3rd switch 7 also are different different the closing of opening.
Need to prove that above-mentioned three switches can be merged into a switch, assemble with other devices and get final product.
Principle of work with circuit provided by the present invention is introduced below:
When having a power failure, and first switch 3 and the 3rd switch 7 while closure, when second switch 6 disconnected, pilot lamp 8 was an illuminating state.The switch that the user can go out electric light 2 according to the condition judgement of pilot lamp 8 is in not off-state of closure.
When electricity, and first switch 3 and the 3rd switch 7 while closure, when second switch 6 disconnected, electric light 2 and pilot lamp 8 were illuminating state.Because the power of warning light 8 is quite little, it is quite low to expend electric weight, also is fine so electric light 2 is worked simultaneously with pilot lamp 8.
When electricity, and first switch 3 and the 3rd switch 7 disconnect simultaneously, and when second switch 6 was closed, this moment, rechargeable battery 5 was in charged state.
In the embodiment of the invention because first switch 3 and the 3rd switch 7 with opening with closing, make that the open and close of electric light 2 is identical with pilot lamp 8 switchings, and pilot lamp 8 when power failure by rechargeable battery 5 as power supply.So when having a power failure,, can judge the open and-shut mode of electric light 2 by the light on and off state of viewing lamp 8.By technical solution of the present invention, solved effectively when having a power failure, do not know that electrical equipment is in the closed condition or the problem of opening.
The above only is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. the cue circuit of switch when having a power failure is characterized in that, comprising:
Link to each other and first branch road and second branch road in parallel with power supply; Described first branch road series connection electrical equipment, first switch; The described second branch road serial connection charge battery, second switch; The positive pole of described rechargeable battery links to each other with second switch; Pilot lamp is connected with the 3rd switch, and in parallel with described rechargeable battery; Described first switch and the 3rd switch be with opening with closing, and the second switch and first switch be different opens different closing.
2. circuit according to claim 1 is characterized in that, also comprises on described second branch road: charging resistor; Described charging resistor is connected with described rechargeable battery, and the negative pole of rechargeable battery links to each other with charging resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106168239A CN102053197B (en) | 2010-12-30 | 2010-12-30 | Switch cue circuit during power failures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106168239A CN102053197B (en) | 2010-12-30 | 2010-12-30 | Switch cue circuit during power failures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102053197A true CN102053197A (en) | 2011-05-11 |
| CN102053197B CN102053197B (en) | 2012-07-04 |
Family
ID=43957731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106168239A Expired - Fee Related CN102053197B (en) | 2010-12-30 | 2010-12-30 | Switch cue circuit during power failures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102053197B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405393A (en) * | 2016-05-24 | 2017-02-15 | 国家电网公司 | Apparatus and method of determining faults of low voltage breaker incoming line terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067454U (en) * | 1990-05-19 | 1990-12-12 | 楚建堂 | Pull switch capable of indicating switch state |
| CN101752111A (en) * | 2008-12-11 | 2010-06-23 | 胡成山 | Electronic device and inspection device thereof |
| CN201601048U (en) * | 2009-06-11 | 2010-10-06 | 张恩广 | Wall switch with indicator lamp |
| CN201639811U (en) * | 2010-04-13 | 2010-11-17 | 北京联合大学 | Automatic emergency lighting circuit in power failure |
-
2010
- 2010-12-30 CN CN2010106168239A patent/CN102053197B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067454U (en) * | 1990-05-19 | 1990-12-12 | 楚建堂 | Pull switch capable of indicating switch state |
| CN101752111A (en) * | 2008-12-11 | 2010-06-23 | 胡成山 | Electronic device and inspection device thereof |
| CN201601048U (en) * | 2009-06-11 | 2010-10-06 | 张恩广 | Wall switch with indicator lamp |
| CN201639811U (en) * | 2010-04-13 | 2010-11-17 | 北京联合大学 | Automatic emergency lighting circuit in power failure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405393A (en) * | 2016-05-24 | 2017-02-15 | 国家电网公司 | Apparatus and method of determining faults of low voltage breaker incoming line terminal |
| CN106405393B (en) * | 2016-05-24 | 2018-06-29 | 国家电网公司 | A kind of low-voltage circuit breaker end of incoming cables failure judgment device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102053197B (en) | 2012-07-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121230 |