CN201163720Y - Multi-use household electrical appliance protector capable of automatic trip when power-on after power-off - Google Patents
Multi-use household electrical appliance protector capable of automatic trip when power-on after power-off Download PDFInfo
- Publication number
- CN201163720Y CN201163720Y CNU2008200809035U CN200820080903U CN201163720Y CN 201163720 Y CN201163720 Y CN 201163720Y CN U2008200809035 U CNU2008200809035 U CN U2008200809035U CN 200820080903 U CN200820080903 U CN 200820080903U CN 201163720 Y CN201163720 Y CN 201163720Y
- Authority
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- China
- Prior art keywords
- protector
- power
- base stage
- diode
- emitter
- 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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- 230000001012 protector Effects 0.000 title claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound 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[Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010411 cooking Methods 0.000 abstract description 4
- 230000002633 protecting Effects 0.000 abstract description 4
- 206010000369 Accident Diseases 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 description 4
- 230000001070 adhesive Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003334 potential Effects 0.000 description 1
Abstract
The utility model provides a multifunctional home appliance protector which can be automatically released when the power is switched on after power failure. The protector consists of an air switch, an electric leakage detecting release, an overvoltage and undervoltage detector and a power-on single trigger. The protector is characterized in that the electric leakage detecting release consists of diodes(V1, V2 and V4), a controllable silicon(V3), resistances(R1, R2, R3 and R4), capacitances(C1 and C2), a zero sequence transformer(TA) and a release coil(KA), wherein a control electrode of the controllable silicon(V3) is connected with the power-on signal trigger formed by a capacitance C3, a resistance R5 and a diode V5, and simulataneously connected with the overvoltage and undervoltage detector consisting of resistances(R6, R7, R8, R9, R10, R11 and R12), capacitances(C4, C5 and C6), a diode(V6) and triodes(V7, V8, V9 and V10); when the line is powered off and then is electrified, the protector can effectively avoid the burnout of the unattended electrically cooking appliances due to the automatic electrification and further avoid fire accident; moreover, the protector can also protect home appliances under overvoltage or undervoltage conditions; and the protector has the advantages of electricity conservation, no noise, simple circuit, multiuse of one machine, small volume of products, low cost and reliable performance, etc.
Description
Technical field
The utility model relates to a kind of household appliance protecting device, and is particularly a kind of when sending a telegram here behind power cut-off again, the multipurpose man non-electricity protector that can thread off automatically.
Background technology
Raising along with progress of science and technology and people's living standard, no matter cities and towns are still rural, various electric cooking appliances, electric heater, TV, home appliances such as refrigerator are crowded in people's the family life just in a large number, safety utilization of electric power simultaneously, prevent to cause electrical fire because of the household electrical appliance improper use, become the critical problem of closing that causes, especially this electric appliances in use, the user goes out because of power failure and when having forgotten the powered-down switch again, in case send a telegram here again, then can be because of long-time heat burn out household electrical appliance, even cause major accident such as electrical fire.For this reason, people are constantly seeking effective solution.Prior art mainly adopts following two kinds of devices to solve above problem: the first selects for use A.C. contactor to carry out the decompression power-off protection in the use circuit of electric cooking appliance, electric heater; its weak point is that volume is big; power consumption is many; function singleness; noise is big, and coil is because of being in easily heating burnout or the like of "on" position for a long time.It two is to select for use small-sized decompression circuit breaker to carry out the decompression power-off protection; its weak point is that magnetictrip needs long-term adhesive energising; the problem of being brought is still to want power consumption; and when mains fluctuations are big, produce noise; voltage rating deviation range during release movement big (± 30%;), so can not use in supply voltage area on the low side.Therefore, be necessary prior art is improved with perfect, to satisfy the needs in market.
The purpose of this utility model is to overcome the deficiency of prior art, provides a kind of convenient and practical, safe and reliable, the multipurpose man non-electricity protector of the disjunction of threading off automatically when sending a telegram here again after the outage.
The utility model is realized by following technical proposal: the multipurpose man non-electricity protector that can thread off automatically when sending a telegram here again after a kind of outage; it is by air switch; the detection of electrical leakage release, over-and under-voltage detector and incoming telephone signal trigger constitute, and it is characterized in that: the detection of electrical leakage release is by diode V
1, V
2, V
4, controllable silicon V
3, resistance R
1-R
4, capacitor C
1, C
2, zero-sequence transformer TA, trip coil KA constitutes, wherein, controllable silicon V
3The control utmost point with by capacitor C
3, resistance R
5And diode V
5The incoming telephone signal trigger that constitutes links to each other, simultaneously controllable silicon V
3The control utmost point again with by resistance R
6-R
12, capacitor C
4-C
6, diode V
6And triode V
7-V
10The over-and under-voltage detector that constitutes links to each other.So that when sending a telegram here again after the circuit outage, by C in the incoming telephone signal trigger
3The pulse signal instantaneous trigger controllable silicon V that forms
3After making its conducting, make the automatic disjunction of air switch, when perhaps under-voltage, overvoltage takes place circuit, trigger controllable silicon V by release KA action
3After making its conducting, make the automatic disjunction of air switch by release KA action.
In the described incoming telephone signal trigger, capacitor C
3With resistance R
5After the parallel connection again with diode V
5Be in series, so that utilize C
3The pulse signal instantaneous trigger controllable silicon V that forms
3Make its conducting.
In the described over-and under-voltage detector, triode V
10Collector electrode pass through R
11With C
4Anodal connection, V
10Emitter and C
4Negative pole links, at V
10Collector electrode and emitter between be connected with C
6, at V
10Collector electrode and base stage between be connected with C
5, at V
10Base stage and C
4Be in series with R between the positive pole
9And V
9, V
9Emitter and C
4Anodal connection, V
9Base stage and R
9Link; V
8Collector electrode and V
10Base stage connect V
8Emitter and C
4Negative pole connects, at V
8Base stage and emitter between be connected with R
10, R
7With R
8Tie point and V
7Emitter connect V
8Base stage and V
7Base stage be connected so that pass through V
7, V
9Reverse breakdown characteristics, make overvoltage, under-voltage specified action Deviation Control in small range be ± 3% in, thereby improve its precision.
The utility model compared with prior art has following advantage and effect: adopt such scheme, can be when air switch be in normal closed "on" position, tripping coil two ends in the detection of electrical leakage release are in release condition because of no operating voltage, when sending a telegram here again after in case circuit cuts off the power supply, by the capacitor C in the incoming telephone signal trigger
3The pulse signal instantaneous trigger controllable silicon V that forms
3Make its conducting; make tripping coil get electronic work; thereby touch the automatic disjunction of air switch; effectively protect household electrical appliances such as electric cooking appliance; automatically energising and cause it to be burnt out under the unmanned state; or the fire incident that causes thus, simultaneously when overvoltage or unstable situation such as under-voltage appear in circuit, by V in the over-and under-voltage detector
7, V
9Reverse breakdown characteristics, make V
10Raise the signal triggering controllable silicon V of output by its collector electrode
3Conducting; tripping coil KA outage; air switch QF action power dump; thereby effectively protect household electrical appliances to cause damage etc. because of being subjected to overvoltage, the under-voltage influence, simultaneously the utility model have also that power saving, noiselessness, circuit are simple, a tractor serves several purposes, advantages such as small product size is little, cost is low, dependable performance.
Description of drawings
Fig. 1 is a circuit structure diagram of the present utility model.
Embodiment
The embodiment that provides below by accompanying drawing is described further the utility model, but content of the present utility model is not limited in this.
Among the figure, 1 is air switch QF; 2 is the detection of electrical leakage release, by diode V
1, V
2, V
4, resistance R
1, R
2, R
3, R
4, capacitor C
1, C
2, controllable silicon V
3, zero-sequence transformer TA, trip coil KA and button SB constitute; 3 is the incoming telephone signal trigger, by C
3, R
5And V
5Constitute; 4 is the over-and under-voltage detector, by resistance R
6, R
7, R
8, R
9, R
10, R
11, R
12, capacitor C
4, C
5, C
6, diode V
6And triode V
7, V
8, V
9, V
10Constitute.
When the user is transshipped, during short circuit accident, by the automatic power-off protection of air switch QF.When electric leakage or accident of human electric shock were taken place, zero-sequence transformer TA passed through diode V with detected signal
4And R
3Be passed to controllable silicon V
3The control utmost point, V
3Conducting makes tripping coil KA energize to trip, and air switch QF moves and cuts off the electricity supply.In overvoltage, undervoltage detector 4, when supply voltage is between overvoltage operating value and the low-voltage value, triode V
7End V
9Reverse breakdown (conducting), V
10Conducting and to make its collector potential be zero; When supply voltage is elevated to the protection value, triode V
7Reverse breakdown (conducting), V
8Collector potential is zero, V
10By and its collector potential is raise, then output signal triggers controllable silicon V
3Conducting, the KA energize to trip, QF moves and cuts off the electricity supply; When supply voltage is reduced to the protection value, V
9End V
10By collector voltage is raise, its output signal triggers V simultaneously
3Conducting, the KA energize to trip, QF moves and cuts off the electricity supply.In incoming telephone signal trigger 3, when the line power outage takes place when, C
3Pass through R rapidly
5Discharge, making two terminal potentials is zero; When sending a telegram here once more, pass through C
3The pulse signal instantaneous trigger V that forms
3Make its conducting, release KA action makes the automatic disjunction of QF, meanwhile C
3By precharge; When the closed QF of user switches on, owing to have only small signal code through R
5Be defeated by controllable silicon V
3, make V
3Still be in cut-off state, QF can normally closed energized.
Claims (3)
- The multipurpose man non-electricity protector that can thread off automatically when 1, sending a telegram here again after a kind of outage, it is by air switch, the detection of electrical leakage release, over-and under-voltage detector and incoming telephone signal trigger constitute, and it is characterized in that: the detection of electrical leakage release is by diode V 1, V 2, V 4, controllable silicon V 3, resistance R 1-R 4, capacitor C 1, C 2, zero-sequence transformer TA, trip coil KA constitutes, wherein, controllable silicon V 3The control utmost point with by capacitor C 3, resistance R 5And diode V 5The incoming telephone signal trigger that constitutes links to each other, simultaneously controllable silicon V 3The control utmost point again with by resistance R 6-R 12, capacitor C 4-C 6, diode V 6And triode V 7-V 10The over-and under-voltage detector that constitutes links to each other.
- The multipurpose man non-electricity protector that can thread off automatically when 2, sending a telegram here again after the outage according to claim 1 is characterized in that in the described incoming telephone signal trigger capacitor C 3With resistance R 5After the parallel connection again with diode V 5Be in series.
- The multipurpose man non-electricity protector that can thread off automatically when 3, sending a telegram here again after the outage according to claim 1 is characterized in that in the described over-and under-voltage detector triode V 10Collector electrode pass through R 11With C 4Anodal connection, V 10Emitter and C 4Negative pole links, at V 10Collector electrode and emitter between be connected with C 6, at V 10Collector electrode and base stage between be connected with C 5, at V 10Base stage and C 4Be in series with R between the positive pole 9And V 9, V 9Emitter and C 4Anodal connection, V 9Base stage and R 9Link; V 8Collector electrode and V 10Base stage connect V 8Emitter and C 4Negative pole connects, at V 8Base stage and emitter between be connected with R 10, R 7With R 8Tie point and V 7Emitter connect V 8Base stage and V 7Base stage be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200809035U CN201163720Y (en) | 2008-02-18 | 2008-02-18 | Multi-use household electrical appliance protector capable of automatic trip when power-on after power-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200809035U CN201163720Y (en) | 2008-02-18 | 2008-02-18 | Multi-use household electrical appliance protector capable of automatic trip when power-on after power-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201163720Y true CN201163720Y (en) | 2008-12-10 |
Family
ID=40184647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200809035U Expired - Fee Related CN201163720Y (en) | 2008-02-18 | 2008-02-18 | Multi-use household electrical appliance protector capable of automatic trip when power-on after power-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201163720Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761096A (en) * | 2011-04-28 | 2012-10-31 | 西门子公司 | Undervoltage-overvoltage protection device and method |
| CN103094877A (en) * | 2011-10-28 | 2013-05-08 | 西门子公司 | Undervoltage-overvoltage protection device and method |
| CN108333952A (en) * | 2017-01-20 | 2018-07-27 | 南宁富桂精密工业有限公司 | Household electric appliance control method, household electric appliance control equipment and household electrical appliances |
-
2008
- 2008-02-18 CN CNU2008200809035U patent/CN201163720Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761096A (en) * | 2011-04-28 | 2012-10-31 | 西门子公司 | Undervoltage-overvoltage protection device and method |
| CN102761096B (en) * | 2011-04-28 | 2015-10-14 | 西门子公司 | Undervoltage-overvolprotection protection device and method |
| CN103094877A (en) * | 2011-10-28 | 2013-05-08 | 西门子公司 | Undervoltage-overvoltage protection device and method |
| CN103094877B (en) * | 2011-10-28 | 2015-08-19 | 西门子公司 | Undervoltage-overvolprotection protection device and method |
| CN108333952A (en) * | 2017-01-20 | 2018-07-27 | 南宁富桂精密工业有限公司 | Household electric appliance control method, household electric appliance control equipment and household electrical appliances |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EXPY | Termination of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20150218 |