CN206250765U - A kind of misconnection protection circuit and air-conditioning install circuit - Google Patents
A kind of misconnection protection circuit and air-conditioning install circuit Download PDFInfo
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- CN206250765U CN206250765U CN201621182277.1U CN201621182277U CN206250765U CN 206250765 U CN206250765 U CN 206250765U CN 201621182277 U CN201621182277 U CN 201621182277U CN 206250765 U CN206250765 U CN 206250765U
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Abstract
Circuit is installed the utility model discloses a kind of misconnection protection circuit and air-conditioning, including：The communicating circuit of PTC thermistor, and warning circuit are in series with, wherein：PTC thermistor is series at the binding post end of communicating circuit, is parallel with warning circuit at the binding post end of communicating circuit so that when the binding post of communicating circuit is connected with power supply, and while PTC thermistor resistance increases, warning circuit sends alarm signal.This programme on communicating circuit by being in series with PTC thermistor; so that; when communicating circuit is connected with power supply, the resistance of PTC thermistor can increase, so as to reach the situation of communicating circuit open circuit; protect the normal operation of communicating circuit circuit board; meanwhile, warning circuit sends alarm signal, connection error occurs to point out staff; it is easy to amendment connection in time, it is to avoid the use to air conditioner is impacted.
Description
Technical field
The utility model is related to circuit field, more particularly to a kind of misconnection protection circuit and air-conditioning to install circuit.
Background technology
Generally, the outdoor unit of air conditioner is provided separately with indoor set, and is realized by power line and connection indoor
The connection of machine and outdoor unit.
However, during staff installs to the indoor set of air-conditioning with outdoor unit, easily there is connection wrong
Situation by mistake, such as：The power line of indoor set is connected with the connection of outdoor unit, and this is easy for causing the damage of circuit board, influence
The use of air conditioner.
Utility model content
In view of this, the utility model provides a kind of misconnection protection circuit and air-conditioning installs circuit, to solve prior art
In in installation process, power line and connection connection error cause circuit board damage, influence the problem for using of air conditioner,
Its concrete scheme is as follows：
A kind of misconnection protection circuit, including：The communicating circuit of PTC thermistor, and warning circuit are in series with, wherein：
The PTC thermistor is series at the binding post end of the communicating circuit, in the terminals of the communicating circuit
Sub- end is parallel with the warning circuit so that when the binding post of the communicating circuit is connected with power supply, the PTC temperature-sensitives electricity
While resistance resistance increases, the warning circuit sends alarm signal.
Further, the warning circuit includes：First resistor, second resistance and alarm, wherein：
The first resistor is connected with second resistance, and the second resistance is in parallel with the alarm.
Further, the binding post of the communicating circuit includes：First binding post and the second binding post, wherein：
One end of the first resistor is connected with the first binding post, one end of the second resistance and the second binding post
It is connected, the other end of the first resistor is connected with the other end of second resistance.
Further, the alarm is：Buzzer siren.
Further, the alarm is：Visual alarm.
A kind of air-conditioning installs circuit, including：Governor circuit, and the misconnection protection circuit being connected with the governor circuit, its
In, the misconnection protection circuit includes：The communicating circuit of PTC thermistor, and warning circuit are in series with, wherein：
The PTC thermistor is series at the binding post end of the communicating circuit, in the terminals of the communicating circuit
Sub- end is parallel with the warning circuit so that when the binding post of the communicating circuit is connected with power supply, the PTC temperature-sensitives electricity
While resistance resistance increases, the warning circuit sends alarm signal.
Further, the warning circuit includes：First resistor, second resistance and alarm, wherein：
The first resistor is connected with second resistance, and the second resistance is in parallel with the alarm.
Further, the binding post of the communicating circuit includes：First binding post and the second binding post, wherein：
One end of the first resistor is connected with the first binding post, one end of the second resistance and the second binding post
It is connected, the other end of the first resistor is connected with the other end of second resistance.
Further, the alarm is：Buzzer siren.
Further, the alarm is：Visual alarm.
From above-mentioned technical proposal as can be seen that misconnection protection circuit disclosed in the present application and air-conditioning install circuit, including：String
The communicating circuit of PTC thermistor, and warning circuit are associated with, wherein：PTC thermistor is series at the binding post of communicating circuit
End, is parallel with warning circuit so that when the binding post of communicating circuit is connected with power supply at the binding post end of communicating circuit,
While PTC thermistor resistance increases, warning circuit sends alarm signal.This programme is in series with by communicating circuit
PTC thermistor so that, when communicating circuit is connected with power supply, the resistance of PTC thermistor can increase, logical so as to reach
The situation of circuit breaker is interrogated, the normal operation of communicating circuit circuit board is protected, meanwhile, warning circuit sends alarm signal, with
There is connection error in prompting staff, is easy to amendment connection in time, it is to avoid the use to air conditioner is impacted.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of misconnection protection circuit disclosed in the utility model embodiment；
Fig. 2 is a kind of circuit diagram of misconnection protection circuit disclosed in the utility model embodiment；
Fig. 3 is the structural representation that a kind of air-conditioning disclosed in the utility model embodiment installs circuit.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The utility model discloses a kind of misconnection protection circuit, its structural representation as shown in figure 1, including：
It is in series with the communicating circuit 11 and warning circuit 12 of PTC thermistor.
Wherein, PTC thermistor is series at the binding post end of communicating circuit 11, at the binding post end of communicating circuit 11
It is parallel with warning circuit 12.
Wherein, resistance of the resistance of warning circuit 12 more than the normal not adstante febre of PTC thermistor.
When the binding post of communicating circuit 11 is connected with the communicating circuit of indoor set, the resistance of PTC thermistor is maintained
Normal resistance, the normal work of communicating circuit 11, warning circuit 12 does not work.
It is connection error when the binding post of communicating circuit 11 is connected with the power supply of indoor set, now, PTC temperature-sensitives electricity
Resistance moment heating, and resistance increases so that the communicating circuit 11 that be connected with power supply presentation off state, it is to avoid indoor set
Power supply is directly connected on the communicating circuit 11 of outdoor unit, the damage of the communicating circuit 11 for causing；Meanwhile, warning circuit 12 is received
To the electric current of the power supply of indoor set, alarm signal is sent, to point out staff connection error occur, it is necessary to correct in time, with
Avoid influenceing the normal of air conditioner to use.
Misconnection protection circuit disclosed in the present embodiment, including：It is in series with the communicating circuit of PTC thermistor, and alarm electricity
Road, wherein：PTC thermistor is series at the binding post end of communicating circuit, and report is parallel with the binding post end of communicating circuit
Alert circuit so that when the binding post of communicating circuit is connected with power supply, while PTC thermistor resistance increases, alarm electricity
Road sends alarm signal.This programme on communicating circuit by being in series with PTC thermistor so that, in communicating circuit and power supply
During connection, the resistance of PTC thermistor can increase, and so as to reach the situation of communicating circuit open circuit, protect communicating circuit electricity
The normal operation of road plate, meanwhile, warning circuit sends alarm signal, connection error occurs to point out staff, is easy in time
Amendment connection, it is to avoid the use to air conditioner is impacted.
Present embodiment discloses a kind of misconnection protection circuit, its circuit diagram as shown in Fig. 2 including：
It is in series with the communicating circuit 21 of thermistor PTC, and warning circuit.
Wherein, warning circuit includes：First resistor R1, second resistance R2 and alarm 22.
First resistor R1 connects with second resistance R2, and second resistance R2 is in parallel with alarm 22.
In addition, the binding post of communicating circuit 21 includes：First binding post F1 and the second binding post F2.
One end of first resistor R1 is connected with the first binding post F1, one end of second resistance R2 and the second binding post F2
It is connected, the other end of first resistor R1 is connected with the other end of second resistance R2.
It is more than the resistance of the normal not adstante febres of thermistor PTC due to the resistance of first resistor R1 and second resistance R2, because
This, when the binding post of communicating circuit 21 is connected with the communicating circuit of indoor set, the resistance of thermistor PTC maintains normal resistance
Value, the normal work of communicating circuit 21, warning circuit does not work；
It is connection error when the binding post of communicating circuit 21 is connected with the power supply of indoor set, now, thermistor
PTC moments generate heat, and resistance increases so that the communicating circuit 21 that be connected with power supply presentation off state, it is to avoid indoor set
Power supply be directly connected on the communicating circuit 21 of outdoor unit, the damage of the communicating circuit 21 for causing；Meanwhile, warning circuit is received
To the electric current of the power supply of indoor set, alarm signal is sent by alarm 22, to point out staff connection error occur, it is necessary to and
Shi Xiuzheng, to avoid influenceing the normal of air conditioner to use.
Further, alarm 22 can be：Buzzer siren, or visual alarm, can also be buzzing report
Alert two kinds of device and visual alarm, are not specifically limited herein.
Misconnection protection circuit disclosed in the present embodiment, including：It is in series with the communicating circuit of PTC thermistor, and alarm electricity
Road, wherein：PTC thermistor is series at the binding post end of communicating circuit, and report is parallel with the binding post end of communicating circuit
Alert circuit so that when the binding post of communicating circuit is connected with power supply, while PTC thermistor resistance increases, alarm electricity
Road sends alarm signal.This programme on communicating circuit by being in series with PTC thermistor so that, in communicating circuit and power supply
During connection, the resistance of PTC thermistor can increase, and so as to reach the situation of communicating circuit open circuit, protect communicating circuit electricity
The normal operation of road plate, meanwhile, warning circuit sends alarm signal, connection error occurs to point out staff, is easy in time
Amendment connection, it is to avoid the use to air conditioner is impacted.
Present embodiment discloses a kind of air-conditioning install circuit, its structural representation as shown in figure 3, including：
Governor circuit 31, and the misconnection protection circuit 32 being connected with governor circuit 31.
Wherein, misconnection protection circuit 32 structural representation as shown in figure 1, including：
It is in series with the communicating circuit 11 and warning circuit 12 of PTC thermistor.
Wherein, PTC thermistor is series at the binding post end of communicating circuit 11, at the binding post end of communicating circuit 11
It is parallel with warning circuit 12.
Wherein, resistance of the resistance of warning circuit 12 more than the normal not adstante febre of PTC thermistor.
When the binding post of communicating circuit 11 is connected with the communicating circuit of indoor set, the resistance of PTC thermistor is maintained
Normal resistance, the normal work of communicating circuit 11, warning circuit 12 does not work.
It is connection error when the binding post of communicating circuit 11 is connected with the power supply of indoor set, now, PTC temperature-sensitives electricity
Resistance moment heating, and resistance increases so that the communicating circuit 11 that be connected with power supply presentation off state, it is to avoid indoor set
Power supply is directly connected on the communicating circuit 11 of outdoor unit, the damage of the communicating circuit 11 for causing；Meanwhile, warning circuit 12 is received
To the electric current of the power supply of indoor set, alarm signal is sent, to point out staff connection error occur, it is necessary to correct in time, with
Avoid influenceing the normal of air conditioner to use.
Further, the circuit diagram of misconnection protection circuit 32 can with as shown in Fig. 2 including：
The communicating circuit 21 of thermistor PTC, and warning circuit are in series with, wherein, warning circuit includes：First resistor
R1, second resistance R2 and alarm 22.
First resistor R1 connects with second resistance R2, and second resistance R2 is in parallel with alarm 22.
In addition, the binding post of communicating circuit 21 includes：First binding post F1 and the second binding post F2.
One end of first resistor R1 is connected with the first binding post F1, one end of second resistance R2 and the second binding post F2
It is connected, the other end of first resistor R1 is connected with the other end of second resistance R2.
It is more than the resistance of the normal not adstante febres of thermistor PTC due to the resistance of first resistor R1 and second resistance R2, because
This, when the binding post of communicating circuit 21 is connected with the communicating circuit of indoor set, the resistance of thermistor PTC maintains normal resistance
Value, the normal work of communicating circuit 21, warning circuit does not work；
It is connection error when the binding post of communicating circuit 21 is connected with the power supply of indoor set, now, thermistor
PTC moments generate heat, and resistance increases so that the communicating circuit 21 that be connected with power supply presentation off state, it is to avoid indoor set
Power supply be directly connected on the communicating circuit 21 of outdoor unit, the damage of the communicating circuit 21 for causing；Meanwhile, warning circuit is received
To the electric current of the power supply of indoor set, alarm signal is sent by alarm 22, to point out staff connection error occur, it is necessary to and
Shi Xiuzheng, to avoid influenceing the normal of air conditioner to use.
Further, alarm 22 can be：Buzzer siren, or visual alarm, can also be buzzing report
Alert two kinds of device and visual alarm, are not specifically limited herein.
Air-conditioning disclosed in the present embodiment installs circuit, including：Governor circuit and misconnection protection circuit, wherein, misconnection protection
Circuit, including：The communicating circuit of PTC thermistor, and warning circuit are in series with, wherein：PTC thermistor is series at communication electricity
The binding post end on road, is parallel with warning circuit so that in the binding post of communicating circuit at the binding post end of communicating circuit
When being connected with power supply, while PTC thermistor resistance increases, warning circuit sends alarm signal.This programme is by communication
PTC thermistor is in series with circuit so that, when communicating circuit is connected with power supply, the resistance of PTC thermistor can increase
Greatly, the situation breaking so as to reach communicating circuit, protects the normal operation of communicating circuit circuit board, meanwhile, warning circuit hair
Go out alarm signal, connection error occur to point out staff, be easy to amendment connection in time, it is to avoid the use to air conditioner is caused
Influence.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of misconnection protection circuit, it is characterised in that including：It is in series with the communicating circuit of PTC thermistor, and alarm electricity
Road, wherein：
The PTC thermistor is series at the binding post end of the communicating circuit, at the binding post end of the communicating circuit
It is parallel with the warning circuit so that when the binding post of the communicating circuit is connected with power supply, the PTC thermistor resistance
While value increase, the warning circuit sends alarm signal.
2. circuit according to claim 1, it is characterised in that the warning circuit includes：First resistor, second resistance and
Alarm, wherein：
The first resistor is connected with second resistance, and the second resistance is in parallel with the alarm.
3. circuit according to claim 2, it is characterised in that the binding post of the communicating circuit includes：First wiring
Terminal and the second binding post, wherein：
One end of the first resistor is connected with the first binding post, one end of the second resistance and the second binding post phase
Even, the other end of the first resistor is connected with the other end of second resistance.
4. circuit according to claim 2, it is characterised in that the alarm is：Buzzer siren.
5. circuit according to claim 2, it is characterised in that the alarm is：Visual alarm.
6. a kind of air-conditioning installs circuit, it is characterised in that including：Governor circuit, and the misconnection being connected with the governor circuit is protected
Protection circuit, wherein, the misconnection protection circuit includes：The communicating circuit of PTC thermistor, and warning circuit are in series with, wherein：
The PTC thermistor is series at the binding post end of the communicating circuit, at the binding post end of the communicating circuit
It is parallel with the warning circuit so that when the binding post of the communicating circuit is connected with power supply, the PTC thermistor resistance
While value increase, the warning circuit sends alarm signal.
7. circuit according to claim 6, it is characterised in that the warning circuit includes：First resistor, second resistance and
Alarm, wherein：
The first resistor is connected with second resistance, and the second resistance is in parallel with the alarm.
8. circuit according to claim 7, it is characterised in that the binding post of the communicating circuit includes：First wiring
Terminal and the second binding post, wherein：
One end of the first resistor is connected with the first binding post, one end of the second resistance and the second binding post phase
Even, the other end of the first resistor is connected with the other end of second resistance.
9. circuit according to claim 7, it is characterised in that the alarm is：Buzzer siren.
10. circuit according to claim 7, it is characterised in that the alarm is：Visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182277.1U CN206250765U (en) | 2016-11-03 | 2016-11-03 | A kind of misconnection protection circuit and air-conditioning install circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182277.1U CN206250765U (en) | 2016-11-03 | 2016-11-03 | A kind of misconnection protection circuit and air-conditioning install circuit |
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| Publication Number | Publication Date |
|---|---|
| CN206250765U true CN206250765U (en) | 2017-06-13 |
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ID=58996146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621182277.1U Active CN206250765U (en) | 2016-11-03 | 2016-11-03 | A kind of misconnection protection circuit and air-conditioning install circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332228A (en) * | 2017-08-01 | 2017-11-07 | 青岛海尔空调电子有限公司 | Protection circuit and air-conditioning |
| CN107895943A (en) * | 2017-10-16 | 2018-04-10 | 霍尼韦尔环境自控产品（天津）有限公司 | Device and its control method with wiring protection function |
| CN109302773A (en) * | 2018-11-15 | 2019-02-01 | 常州格林照明股份有限公司 | A kind of LED projector lamp driving circuit |
| CN110600904A (en) * | 2019-09-25 | 2019-12-20 | 珠海格力电器股份有限公司 | Wiring device and household appliance |
-
2016
- 2016-11-03 CN CN201621182277.1U patent/CN206250765U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332228A (en) * | 2017-08-01 | 2017-11-07 | 青岛海尔空调电子有限公司 | Protection circuit and air-conditioning |
| WO2019024691A1 (en) * | 2017-08-01 | 2019-02-07 | 青岛海尔空调电子有限公司 | Protection circuit and air conditioner |
| EP3565076A4 (en) * | 2017-08-01 | 2020-03-18 | Qingdao Haier Air-Conditioning Electronic Co., Ltd | Protection circuit and air conditioner |
| CN107332228B (en) * | 2017-08-01 | 2021-05-25 | 青岛海尔空调电子有限公司 | Protection circuit and air conditioner |
| US11512860B2 (en) | 2017-08-01 | 2022-11-29 | Qingdao Haier Air Conditioner General Corp., Ltd. | Protection circuit and air conditioner |
| CN107895943A (en) * | 2017-10-16 | 2018-04-10 | 霍尼韦尔环境自控产品（天津）有限公司 | Device and its control method with wiring protection function |
| CN107895943B (en) * | 2017-10-16 | 2019-12-03 | 霍尼韦尔环境自控产品（天津）有限公司 | Device and its control method with wiring protection function |
| CN109302773A (en) * | 2018-11-15 | 2019-02-01 | 常州格林照明股份有限公司 | A kind of LED projector lamp driving circuit |
| CN110600904A (en) * | 2019-09-25 | 2019-12-20 | 珠海格力电器股份有限公司 | Wiring device and household appliance |
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