CN202713642U - Secondary protection electric blanket circuit - Google Patents
Secondary protection electric blanket circuit Download PDFInfo
- Publication number
- CN202713642U CN202713642U CN 201220407190 CN201220407190U CN202713642U CN 202713642 U CN202713642 U CN 202713642U CN 201220407190 CN201220407190 CN 201220407190 CN 201220407190 U CN201220407190 U CN 201220407190U CN 202713642 U CN202713642 U CN 202713642U
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- double
- heating
- resistance
- switch module
- thyristor
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- Expired - Fee Related
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- Central Heating Systems (AREA)
Abstract
A secondary protection electric blanket circuit which is designed by the utility model mainly includes a double-layer heating line, a switch assembly and a fuse. The secondary protection electric blanket circuit is characterized in that a power supply input terminal is connected with a bidirectional silicon controlled rectifier, a 100k third resistor, a bidirectional trigger tri-polar thyristor MAC97A6 and the double-layer heating wire in order via an input terminal of the switch assembly, and then is connected with the fuse via an output terminal of the switch assembly, and finally is connected with a power supply output terminal. Besides, the power supply input terminal is directly connected with a 220k fourth resistor, and then is connected with a light emitting diode, and finally is connected with the power supply output terminal via the output terminal of the switch assembly. The input terminal of the switch assembly is connected with an H1 terminal of the double-layer heating line via a capacitor. The input terminal of the switch assembly is directly connected with an H3 terminal of the double-layer heating line. An MT1 pin and a G pin of the bidirectional trigger tri-polar thyristor MAC97A6 are connected with the third resistor and the H1 terminal of the double-layer heating line respectively, and an MT2 pin of the bidirectional trigger tri-polar thyristor MAC97A6 is directly connected with the power supply input terminal.
Description
Technical field
The utility model relates to a kind of heating circuit, particularly a kind of second protection electric blanket circuit.
Background technology
Existing electric blanket circuit, general only by fuse control protection, in case the situation of being short-circuited, fuse burns automatically.There is following shortcoming in this protected mode: 1 destructive protection, in case the short circuit problem that appearance can detect will cause that fuse burns automatically, so that whole electric blanket is scrapped; 2 exist the protection blind areas, and special that there is something special is lower at some, and some position heat of heating wire increases, but short circuit phenomenon also do not occur, and this kind protected mode can't be made any reaction to this situation, causes disaster hidden-trouble; 3 uncontrollable arcing phenomenons, because arcing is transition effect, and fuse burns the certain fever time of needs, arcing moment fuse can not be made any reaction.
The utility model content
The purpose of this utility model is to provide the high moral second protection of a kind of reliability electric blanket circuit for the deficiency that solves above-mentioned technology.
In order to achieve the above object, the second protection electric blanket circuit that the utility model is designed, it mainly comprises double-deck line with heating function, switch module, fuse, it is characterized in that described power input connects the 3rd resistance of bidirectional triode thyristor, 100k, two-way triggering three utmost point thyristor MAC97A6 and double-deck line with heating function successively by the switch module input, and then be connected with power output end behind the output connection fuse by switch module; In addition, power input directly connects behind the 4th resistance of 220k and light-emitting diode again, and the output by switch module is connected with power output end at last; The input of wherein said switch module is connected with the H1 end of double-deck line with heating function by electric capacity, and the input of switch module directly is connected with the H3 end of double-deck line with heating function; The MT1 pin of described two-way triggering three utmost point thyristor MAC97A6 be connected with the G pin with the 3rd resistance be connected the H1 end of line with heating function and be connected, the MT2 pin of two-way triggering three utmost point thyristor MAC97A6 directly is connected with power input.
In order to adapt to the use needs in each season, but described switch module is divided into pass, low heating, middle heating and high heating fourth gear structure, wherein at the input of switch module, low heating shelves are connected with bidirectional triode thyristor by the first resistance, the adjustable resistance of 220k, and low heating shelves directly are connected with power input; Described middle heating shelves are connected with bidirectional triode thyristor by the second resistance of 51k; Described high heating shelves are connected with the second resistance by the 5th resistance of 1k; At output, the H2 of double-deck line with heating function end by diode with low heating shelves be connected to generate heat and grade be connected; The H2 end of double-deck line with heating function directly is connected with high heating shelves.
The resulting second protection electric blanket of the utility model circuit; utilize the cooperation between two-way triggering three utmost point thyristor MAC97A6 and the double-deck line with heating function; the working condition of protective wire in the double-deck line with heating function of examinations; no matter protective wire has any trickle variation; can both be implemented and detect; thereby cut-offfing of automatic control circuit reaches the effect of protection.Particularly for the arcing phenomenon, can effectively control arcing, and blowout not, greatly reduce the repair rate of electric blanket.
Description of drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
The utility model will be further described by reference to the accompanying drawings below by embodiment.
Embodiment 1:
As shown in Figure 1 and Figure 2, the second protection electric blanket circuit that the present embodiment is described, it mainly comprises double-deck line with heating function RL, switch module, fuse, it is characterized in that described power input ax connects the 3rd resistance R 3 of bidirectional triode thyristor DB3,100k, two-way triggering three utmost point thyristor MAC97A6 and double-deck line with heating function RL successively by the switch module input, and then be connected with power output end bx behind the output connection fuse F0 by switch module; In addition, power input ax directly connects after the 4th resistance R 4 of 220k and LED again, and the output by switch module is connected with power output end bx at last; The input of wherein said switch module is connected with the H1 end of double-deck line with heating function RL by electric capacity c, and the input of switch module directly is connected with the H3 end of double-deck line with heating function RL; The MT1 pin of described two-way triggering three utmost point thyristor MAC97A6 be connected with the G pin with the 3rd resistance R 3 be connected the H1 end of line with heating function RL and be connected, the MT2 pin of two-way triggering three utmost point thyristor MAC97A6 directly is connected with power input ax.But described switch module is divided into pass 1, low heating 2, middle heating 3 and high heating 4 fourth gear structures, wherein at the input of switch module, low heating shelves are connected with bidirectional triode thyristor DB3 by the first resistance R 1, the adjustable resistance RW of 220k, and low heating shelves directly are connected with power input ax; Described middle heating shelves are connected with bidirectional triode thyristor DB3 by the second resistance R 2 of 51k; Described high heating shelves are connected with the second resistance R 2 by the 5th resistance R 5 of 1k; At output, the H2 of double-deck line with heating function RL end by diode D with low heating shelves be connected to generate heat and grade be connected; The H2 end of double-deck line with heating function RL directly is connected with high heating shelves.
Claims (2)
1. second protection electric blanket circuit, it mainly comprises double-deck line with heating function (RL), switch module, fuse, it is characterized in that described power input (ax) connects the 3rd resistance (R3) of bidirectional triode thyristor (DB3), 100k, two-way triggering three utmost point thyristor MAC97A6 and double-deck line with heating function (RL) successively by the switch module input, and then be connected with power output end (bx) behind the output connection fuse (F0) by switch module; In addition, power input (ax) directly connects behind the 4th resistance (R4) of 220k and light-emitting diode (LED) again, and the output by switch module is connected with power output end (bx) at last; The input of wherein said switch module is connected with the H1 end of double-deck line with heating function (RL) by electric capacity (c), and the input of switch module directly is connected with the H3 end of double-deck line with heating function (RL); The MT1 pin of described two-way triggering three utmost point thyristor MAC97A6 be connected with the G pin with the 3rd resistance (R3) be connected the H1 end of line with heating function (RL) and be connected, the MT2 pin of two-way triggering three utmost point thyristor MAC97A6 directly is connected with power input (ax).
2. second protection electric blanket circuit according to claim 1, it is characterized in that but switch module is divided into pass, low heating, middle heating and high heating fourth gear structure, wherein at the input of switch module, low heating shelves are connected with bidirectional triode thyristor (DB3) by the first resistance (R1), the adjustable resistance (RW) of 220k, and low heating shelves directly are connected with power input (ax); Described middle heating shelves are connected with bidirectional triode thyristor (DB3) by the second resistance (R2) of 51k; Described high heating shelves are connected with the second resistance (R2) by the 5th resistance (R5) of 1k; At output, the H2 of double-deck line with heating function (RL) end by diode (D) with low heating shelves be connected to generate heat and grade be connected; The H2 end of double-deck line with heating function (RL) directly is connected with high heating shelves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407190 CN202713642U (en) | 2012-08-17 | 2012-08-17 | Secondary protection electric blanket circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407190 CN202713642U (en) | 2012-08-17 | 2012-08-17 | Secondary protection electric blanket circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202713642U true CN202713642U (en) | 2013-01-30 |
Family
ID=47593894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220407190 Expired - Fee Related CN202713642U (en) | 2012-08-17 | 2012-08-17 | Secondary protection electric blanket circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202713642U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103699150A (en) * | 2013-12-28 | 2014-04-02 | 吴建堂 | Electric blanket six-level temperature control switch |
| CN109862627A (en) * | 2017-11-30 | 2019-06-07 | 菏泽海诺知识产权服务有限公司 | Electric blanket circuit |
-
2012
- 2012-08-17 CN CN 201220407190 patent/CN202713642U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103699150A (en) * | 2013-12-28 | 2014-04-02 | 吴建堂 | Electric blanket six-level temperature control switch |
| CN109862627A (en) * | 2017-11-30 | 2019-06-07 | 菏泽海诺知识产权服务有限公司 | Electric blanket circuit |
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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: 20130130 Termination date: 20170817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |