CN110341650A - A kind of frost removal protection circuit and frost removal - Google Patents
A kind of frost removal protection circuit and frost removal Download PDFInfo
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- CN110341650A CN110341650A CN201910630150.3A CN201910630150A CN110341650A CN 110341650 A CN110341650 A CN 110341650A CN 201910630150 A CN201910630150 A CN 201910630150A CN 110341650 A CN110341650 A CN 110341650A
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- frost removal
- control unit
- preset value
- resistive heater
- temperature
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- 238000010438 heat treatment Methods 0.000 claims abstract description 49
- 230000003750 conditioning effect Effects 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims description 22
- 235000019504 cigarettes Nutrition 0.000 claims description 20
- 238000010257 thawing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
- B60S1/026—Cleaning windscreens, windows or optical devices including defroster or demisting means using electrical means
Abstract
The present invention provides a kind of frost removal protection circuit and frost removals, are related to integral new-energy passenger field.Wherein, it includes control unit and temperature conditioning unit that frost removal, which protects circuit; control unit is for being series between the resistive heater of frost removal and power supply; temperature conditioning unit is electrically connected with control unit; when heating temperature of the temperature conditioning unit for inside frost removal reaches the first preset value; it controls control unit to disconnect, to disconnect resistive heater and power supply.In the present invention, control unit is connected between resistive heater and power supply, it breaks down inside frost removal, resistive heater is also in working condition, during continuous heating, when the heating temperature inside frost removal reaches the first preset value, temperature conditioning unit control control unit disconnection disconnects resistive heater and power supply, to make resistive heater stop working, it is therefore prevented that frost removal internal temperature is excessively high to break down, and improves the safety coefficient of frost removal.
Description
Technical field
This application involves integral new-energy passenger fields, protect circuit and frost removal in particular to a kind of frost removal.
Background technique
With the development of science and technology, pure electric vehicle vehicle is more and more, and electric frost removal has become electric vehicle necessary equipment, but
Since electric frost removal is the equipment to be defrosted using high temperature heat source, frost removal blower or relay once break down heat source
It will be unable to normally distribute, cause frost removal internal temperature excessively high, cause spontaneous combustion, the life security of passenger will be directly affected.
The protective device of frost removal in currently available technology is when the temperature is excessively high playing a protective role to frost removal, causes
Its security performance is lower.
Summary of the invention
In order at least overcome above-mentioned deficiency in the prior art, the first purpose of the application is to provide a kind of frost removal guarantor
Protection circuit and frost removal.
In a first aspect, the embodiment of the present invention provides a kind of frost removal protection circuit, comprising: control unit and temperature conditioning unit,
For described control unit for being series between the resistive heater of frost removal and a power supply, the temperature conditioning unit and the control are single
Member electrical connection, when heating temperature of the temperature conditioning unit for inside the frost removal reaches the first preset value, described in control
Control unit disconnects, to disconnect the resistive heater and the power supply.
In alternative embodiments, described control unit includes control relay, and the control relay includes coil
And normally opened main contacts, the coil are connected between the temperature conditioning unit and a control module, the normally opened main contacts is series at
Between the resistive heater and the power supply, the heating temperature inside the frost removal reaches first preset value
When, the temperature conditioning unit disconnects the coil, and the normally opened main contacts disconnects.
In alternative embodiments, the control relay further includes normally opened auxiliary contact, the normally opened auxiliary contact
One end is connect with the control module, other end ground connection.
In alternative embodiments, described control unit further includes diode, the diode and the coils from parallel connection of coils,
The cathode of the diode is connect with the control module, plus earth.
In alternative embodiments, described control unit further includes detection module, and the coil is connected on the temperature control
Between unit and the detection module, the detection module be used for after receiving open signal, control the coil obtain it is electric,
To control the normally opened main contacts closure.
In alternative embodiments, the temperature conditioning unit includes the first Temp.-control fuse, first Temp.-control fuse
It is connected between the resistive heater and described control unit, when the heating temperature reaches second preset value, institute
State the fusing of the first Temp.-control fuse.
In alternative embodiments, the temperature conditioning unit further includes that the second Temp.-control fuse and the first self- recoverage switch,
First self- recoverage switchs connect with second Temp.-control fuse latter end ground connection, the other end and described control unit string
Connection；
When the heating temperature reaches second preset value, the second Temp.-control fuse fusing；
When the heating temperature is not less than the first preset value, the first self- recoverage switch is disconnected；
When the heating temperature is not higher than third preset value, first self- recoverage is closed the switch, wherein the third
Preset value is less than first preset value, and first preset value is less than second preset value.
In alternative embodiments, the temperature conditioning unit further includes the second self- recoverage switch, and second self- recoverage is opened
One end ground connection is closed, the other end is electrically connected with the control unit；
When the heating temperature is not less than the first preset value, the second self- recoverage switch is disconnected；
After described control unit detects the cut-off signal of the disconnection of the second self- recoverage switch, by the cut-off signal
It is transmitted to a controlling terminal；
When the heating temperature is not higher than third preset value, second self- recoverage is closed the switch.
In alternative embodiments, the frost removal protection circuit further includes cigarette sense module, the cigarette sense module installation
It at the window of the frost removal, is electrically connected with the control unit, the cigarette sense module is for detecting in the frost removal
Cigarette sense information, and it is transmitted to described control unit；
Described control unit is used for after receiving the cigarette sense information, disconnects the power supply and the resistive heater.
Second aspect, the embodiment of the present invention provide a kind of frost removal, including resistive heater, power supply and such as aforementioned embodiment party
The described in any item frost removals of formula protect circuits, described control unit for be series at the resistive heater and the power supply it
Between, the temperature conditioning unit is electrically connected with the control unit, and the temperature conditioning unit is used for the heating temperature inside the frost removal
When degree reaches the second preset value, control described control unit is disconnected, to disconnect the resistive heater and the power supply.
In terms of existing technologies, the application has the advantages that frost removal protection circuit includes control unit
And temperature conditioning unit, control unit is for being series between the resistive heater of frost removal and power supply, temperature conditioning unit and control unit
Electrical connection, when heating temperature of the temperature conditioning unit for inside frost removal reaches the first preset value, control control unit is disconnected, from
And disconnect resistive heater and power supply.
In the present invention, control unit is connected between resistive heater and power supply, is broken down, is added inside frost removal
Hot water radiation wire is also in working condition, and during continuous heating, it is default that the heating temperature inside frost removal reaches first
When value, temperature conditioning unit control control unit disconnection disconnects resistive heater and power supply, so that resistive heater is made to stop working,
It prevents frost removal internal temperature is excessively high to break down, improves the safety coefficient of frost removal.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the connection block diagram that frost removal provided in an embodiment of the present invention protects circuit applied to frost removal.
Fig. 2 is the circuit diagram that frost removal provided in an embodiment of the present invention protects circuit applied to frost removal.
Icon: 10- frost removal；100- frost removal protects circuit；110- control unit；112- controls relay；1122- line
Circle；The normally opened main contacts of 1124-；The normally opened auxiliary contact of 1126-；1128- diode；114- detection module；120- temperature conditioning unit；
The first Temp.-control fuse of 122-；The second Temp.-control fuse of 124-；The first self- recoverage of 126- switch；The second self- recoverage of 128- switch；
130- cigarette sense module；200- resistive heater；300- power supply；400- blower.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
Embodiment
Referring to Fig. 1, present embodiments providing a kind of frost removal protection circuit 100, frost removal provided in this embodiment is protected
Protection circuit 100 can prevent 10 internal temperature of frost removal is excessively high to break down, and improve the safety coefficient of frost removal 10.
Frost removal protection circuit 100 provided in this embodiment is applied in the frost removal 10 of vehicle, and frost removal 10 includes adding
Hot water radiation wire 200, power supply 300 and blower 400, resistive heater 200 protect circuit 100 and power supply 300 to be electrically connected with frost removal
It connects, blower 400 is connect with frost removal protection circuit 100.
Referring to Fig. 2, in the present embodiment, frost removal protects circuit 100 to include control unit 110 and temperature conditioning unit 120,
For control unit 110 for being series between the resistive heater 200 of frost removal 10 and power supply 300, temperature conditioning unit 120 and control are single
Member 110 is electrically connected, when heating temperature of the temperature conditioning unit 120 for inside frost removal 10 reaches the first preset value, control control
Unit 110 disconnects, to disconnect resistive heater 200 and power supply 300.
In the present embodiment, control unit 110 is connected between resistive heater 200 and power supply 300, when in frost removal 10
Portion breaks down, and resistive heater 200 is also in working condition, during continuous heating, adding inside frost removal 10
When hot temperature reaches the first preset value, temperature conditioning unit 120, which controls the disconnection of control unit 110, makes resistive heater 200 and power supply 300
It disconnects, so that resistive heater 200 be made to stop working, it is therefore prevented that 10 internal temperature of frost removal is excessively high to break down, and improves and removes
The safety coefficient of white device 10, to improve the safety coefficient of vehicle.
In the present embodiment, control unit 110 include control relay 112, control relay 112 include coil 1122 and
Normally opened main contacts 1124, coil 1122 are connected between temperature conditioning unit 120 and a control module, and normally opened main contacts 1124 is series at
Between resistive heater 200 and power supply 300, when the heating temperature inside frost removal 10 reaches the first preset value, temperature conditioning unit
120 disconnect coil 1122, and normally opened main contacts 1124 disconnects.
In the present embodiment, normally opened main contacts 1124 is connected between resistive heater 200 and power supply 300, temperature conditioning unit
120 connect with coil 1122, and when resistive heater 200 is in running order, normally opened main contacts 1124 is constantly in closed form
State, when the heating temperature of resistive heater 200 reaches the first preset value, 1122 power loss of temperature detect switch (TDS) control coil, coil
After 1122 power loss, normally opened main contacts 1124 is disconnected, and is disconnected resistive heater 200 and power supply 300, is avoided inside frost removal 10
200 continuous heating of resistive heater after failure causes safety accident.
In the present embodiment, control module can be an external power supply 300, is also possible to a controller, is mainly used for
Starting control relay 112, obtains control relay 112, so that it is closed normally opened main contacts 1124, resistive heater 200
It starts to work.
In the present embodiment, control module is a controller.
In the present embodiment, control relay 112 further includes normally opened auxiliary contact 1126, normally opened 1126 one end of auxiliary contact
It is connect with control module, other end ground connection.
In the present embodiment, normally opened auxiliary contact 1126 are in parallel with normally opened main contacts 1124, mainly for detection of normally opened master
Whether contact 1124 works normally.Such as: after coil 1122 must be electric, normally opened main contacts 1124 and normally opened auxiliary contact 1126 exist
It is closed under the action of the magnetic field force that coil 1122 generates, after 1122 power loss of coil, normally opened main contacts 1124 and the touching of normally opened auxiliary
Point 1126 disconnects under the action of losing the magnetic field force that coil 1122 generates.After control module 1122 power loss of control coil,
Normally opened auxiliary contact 1126 disconnect, and control module receives low level, and resistive heater 200 is still within heated condition at this time
When, it can determine that normally opened main contacts 1124 breaks down, after 1122 power loss of coil, normally opened main contacts 1124 can not be disconnected.
In the present embodiment, control unit 110 further includes diode 1128, and diode 1128 is in parallel with coil 1122, and two
The cathode of pole pipe 1128 is connect with control module, plus earth.
In the present embodiment, diode 1128 is in parallel with coil 1122, can play a protective role, prevent to coil 1122
Electric current backflow damages coil 1122.
In the present embodiment, control unit 110 further includes detection module 114, coil 1122 be connected on temperature conditioning unit 120 with
Between detection module 114, detection module 114 is used for after receiving open signal, and control coil 1122 must be electric, to control
Normally opened main contacts 1124 is closed.
In the present embodiment, after detection module 114 receives open signal, a high level is exported to coil 1122,
Obtain coil 1122, coil 1122 it is electric after generate magnetic field under the action of, normally opened main contacts 1124 is closed.Adding thermal resistance
Silk 200 is started to work.
In the present embodiment, detection module 114 is above-mentioned control module, and coil 1122 is electrically connected with detection module 114,
Normally opened auxiliary contact 1126 are electrically connected with detection module 114.
In the present embodiment, temperature conditioning unit 120 includes the first Temp.-control fuse 122, and the first Temp.-control fuse 122 is connected on
Between resistive heater 200 and control unit 110, when heating temperature reaches the second preset value, the first Temp.-control fuse 122 is molten
It is disconnected.
In the present embodiment, the first Temp.-control fuse 122 is connected between resistive heater 200 and detection module 114, when
When heating temperature in frost removal 10 reaches the second preset value, the first Temp.-control fuse 122 fusing, to be disconnected adding thermal resistance
Silk 200 and power supply 300.
In the present embodiment, the second preset value is 120 degree.The first temperature control when the temperature in frost removal 10 is higher than 120 degree
Fuse 122 fuses, and excessively high 200 continuous heating of resistive heater of temperature is avoided to cause safety accident.
In the present embodiment, after the first Temp.-control fuse 122 fuses, which can not be automatically repaired, and need manually to repair
It is multiple.
In the present embodiment, temperature conditioning unit 120 further includes the second Temp.-control fuse 124 and the first self- recoverage switch 126, and
One self- recoverage switch 126 is connected latter end ground connection with the second Temp.-control fuse 124, and the other end is connected with control unit 110；
When heating temperature reaches the second preset value, the fusing of the second Temp.-control fuse 124；
When heating temperature is not less than the first preset value, the first self- recoverage switch 126 is disconnected；
When heating temperature is not higher than third preset value, the first self- recoverage switch 126 closure, wherein third preset value is small
In the first preset value, the first preset value is less than the second preset value.
In the present embodiment, one end and coil 1122 after the second Temp.-control fuse 124 is connected with the first self- recoverage switch 126
Connection, the other end and ground connection.When resistive heater 200 is in the process of work when the heating temperature in frost removal 10 is more than or equal to
First preset value, the first self- recoverage switch 126 disconnect, and 1122 power loss of coil disconnects normally opened main contacts 1124, thus switch
Resistive heater 200 and power supply 300.After the temperature in frost removal 10 is less than or equal to third preset value, the first self- recoverage switch
126 automatic recoveries, coil 1122 must be electric, and normally opened main contacts 1124 is closed, and resistive heater 200 works on.
In the present embodiment, when the heating temperature in frost removal 10 is more than or equal to the first preset value, adding thermal resistance is disconnected
Silk 200 with power supply 300, so that resistive heater 200 is stopped working, when defrosting case in heating temperature restore to third preset value with
When lower, work of the case inside in safety that defrosts is indicated, the first self- recoverage switch 126 is closed automatically.First self- recoverage switch 126
It can disconnect resistive heater 200 and power supply 300 when the heating temperature in frost removal 10 is more than or equal to the first preset value, and
Heating temperature is less than or equal to after third preset value together with resistive heater 200 and power supply 300, can be according to the heating in defrosting case
Whether temperature automatic control resistive heater 200 starts to work, and improves the adaptivity of entire defrosting case protection circuit.
In the present embodiment, the first preset value is 105 degree, and third preset value is 60 degree.
In the present embodiment, when the heating temperature in the case that defrosts is more than or equal to the first preset value, the first self- recoverage switch
126 disconnect, and coil 1122 powers off, and normally opened main contacts 1124 disconnects.If normally opened main contacts 1124 breaks down at this time, can not be normal
It disconnects resistive heater 200 at this time and is still within working condition, in continuous heating, the heating temperature to defrost in case is caused to reach the
Two preset values, at this time with concatenated first Temp.-control fuse 122 of resistive heater 200 and with concatenated second temperature control of coil 1122
Fuse 124 fuses, and resistive heater 200 and power supply 300 are cut off from two branches, prevents the temperature in defrosting case from rising again
Height leads to the case failure that defrosts.
In the present embodiment, temperature conditioning unit 120 further includes the second self- recoverage switch 128,128 one end of the second self- recoverage switch
Ground connection, the other end are electrically connected with control unit 110；
When heating temperature is not less than the first preset value, the second self- recoverage switch 128 is disconnected；
After control unit 110 detects the cut-off signal of the disconnection of the second self- recoverage switch 128, it will be switched off signal and be transmitted to
One controlling terminal；
When heating temperature is not higher than third preset value, the second self- recoverage switch 128 closure.
In the present embodiment, 128 one end of the second self- recoverage switch is grounded, the detection mouth electricity of the other end and detection module 114
Connection, after the second self- recoverage switch 128 disconnects, detection mouth detects a low level, i.e. cut-off signal, and will be switched off signal
It is transmitted to external controlling terminal, allows the operator to know that 10 internal temperature of frost removal is excessively high.
In the present embodiment, frost removal protection circuit 100 further includes cigarette sense module 130, and cigarette sense module 130 is mounted on defrosting
It at the window of device 10, is electrically connected with control unit 110, cigarette sense module 130 is used to detect the cigarette sense information in frost removal 10, and passes
Transport to control unit 110；
Control unit 110 is used for after receiving cigarette sense information, disconnects power supply 300 and resistive heater 200, and control wind
Machine 400 is out of service.
In the present embodiment, cigarette sense module 130 is mounted at the window of frost removal 10, for detecting the cigarette in frost removal 10
Feel information, when there is smog in frost removal 10, indicates that frost removal 10 breaks down.Detection module 114 is receiving cigarette sense letter
After breath, a low level is exported to coil 1122, powers off coil 1122, normally opened main contacts 1124 disconnects, to make heating electricity
It hinders silk 200 and power supply 300 disconnects.
In the present embodiment, cigarette sense module 130 can also detect the real time temperature in frost removal 10, when real time temperature is greater than
When equal to the second preset value, fault-signal is sent to detection module 114, detection module 114 is according to fault message control coil
1122 power-off.
In conclusion frost removal provided in this embodiment protects circuit 100, in the present embodiment, control unit 110 is connected
It between resistive heater 200 and power supply 300, breaks down inside frost removal 10, resistive heater 200 is also in work shape
State, during continuous heating, when the heating temperature inside frost removal 10 reaches the first preset value, temperature conditioning unit 120 is controlled
The disconnection of control unit 110 processed disconnects resistive heater 200 and power supply 300, so that resistive heater 200 be made to stop working, prevents
Stop that 10 internal temperature of frost removal is excessively high to break down, the safety coefficient of frost removal 10 has been improved, to improve the peace of vehicle
Overall coefficient.
The above, the only various embodiments of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (10)
1. a kind of frost removal protects circuit characterized by comprising control unit and temperature conditioning unit, described control unit are used for
It is series between the resistive heater of frost removal and a power supply, the temperature conditioning unit is electrically connected with the control unit, the temperature
When heating temperature of the control unit for inside the frost removal reaches the first preset value, control described control unit is disconnected, from
And disconnect the resistive heater and the power supply.
2. frost removal according to claim 1 protects circuit, which is characterized in that described control unit includes control relay
Device, the control relay includes coil and normally opened main contacts, and the coil is connected on the temperature conditioning unit and a control module
Between, the normally opened main contacts is series between the resistive heater and the power supply, inside the frost removal described in
When heating temperature reaches first preset value, the temperature conditioning unit disconnects the coil, and the normally opened main contacts disconnects.
3. frost removal according to claim 2 protects circuit, which is characterized in that the control relay further includes normally opened auxiliary
Contact is helped, described normally opened auxiliary contact one end is connect with the control module, other end ground connection.
4. frost removal according to claim 2 protects circuit, which is characterized in that described control unit further includes diode,
The diode and the coils from parallel connection of coils, the cathode of the diode are connect with the control module, plus earth.
5. frost removal according to claim 2 protects circuit, which is characterized in that described control unit further includes detection mould
Block, the coil are connected between the temperature conditioning unit and the detection module, and the detection module is used to receive unlatching
After signal, control the coil obtain it is electric, to control the normally opened main contacts closure.
6. frost removal according to claim 1 protects circuit, which is characterized in that the temperature conditioning unit is protected including the first temperature control
Dangerous silk, first Temp.-control fuse is connected between the resistive heater and described control unit, when the heating temperature
When reaching the second preset value, the first Temp.-control fuse fusing.
7. frost removal according to claim 1 protects circuit, which is characterized in that the temperature conditioning unit further includes the second temperature control
Fuse and the first self- recoverage switch, first self- recoverage switch latter end ground connection of connecting with second Temp.-control fuse,
The other end is connected with described control unit；
When the heating temperature reaches the second preset value, the second Temp.-control fuse fusing；
When the heating temperature is not less than the first preset value, the first self- recoverage switch is disconnected；
When the heating temperature is not higher than third preset value, first self- recoverage is closed the switch, wherein the third is default
Value is less than first preset value, and first preset value is less than second preset value.
8. frost removal according to claim 1 protects circuit, which is characterized in that the temperature conditioning unit further includes second from extensive
Multiple switch, second self- recoverage switch one end ground connection, and the other end is electrically connected with the control unit,
When the heating temperature is not less than the first preset value, the second self- recoverage switch is disconnected；
After described control unit detects the cut-off signal of the disconnection of the second self- recoverage switch, the cut-off signal is transmitted
To a controlling terminal；
When the heating temperature is not higher than third preset value, second self- recoverage is closed the switch.
9. frost removal according to claim 1 protects circuit, which is characterized in that the frost removal protection circuit further includes cigarette
Feel module, the cigarette sense module is mounted at the window of the frost removal, is electrically connected with the control unit, the cigarette sense module
For detecting the cigarette sense information in the frost removal, and it is transmitted to described control unit；
Described control unit is used for after receiving the cigarette sense information, disconnects the power supply and the resistive heater, and control
The blower for making the frost removal is out of service.
10. a kind of frost removal, which is characterized in that removed including resistive heater, power supply and as claim 1-9 is described in any item
White device protects circuit, and described control unit is for being series between the resistive heater and the power supply, the temperature conditioning unit
It is electrically connected with the control unit, the heating temperature that the temperature conditioning unit is used for inside the frost removal reaches the second preset value
When, control described control unit disconnects, to disconnect the resistive heater and the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630150.3A CN110341650B (en) | 2019-07-12 | 2019-07-12 | Defroster protection circuit and defroster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630150.3A CN110341650B (en) | 2019-07-12 | 2019-07-12 | Defroster protection circuit and defroster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110341650A true CN110341650A (en) | 2019-10-18 |
| CN110341650B CN110341650B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910630150.3A Active CN110341650B (en) | 2019-07-12 | 2019-07-12 | Defroster protection circuit and defroster |
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| CN (1) | CN110341650B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351309A (en) * | 2020-03-11 | 2020-06-30 | 合肥美的电冰箱有限公司 | Refrigeration equipment and fault detection method, control method and processing device thereof |
| CN111891068A (en) * | 2020-06-29 | 2020-11-06 | 东风商用车有限公司 | Warm air control system capable of automatically demisting |
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| CN204870906U (en) * | 2015-06-09 | 2015-12-16 | 方堃 | Car glass defroster |
| CN108501882A (en) * | 2018-04-12 | 2018-09-07 | 石家庄中博汽车有限公司 | A kind of vehicle is with removing defrosting system and the vehicle with it |
| CN109489181A (en) * | 2018-11-19 | 2019-03-19 | 泰豪科技股份有限公司 | A kind of control circuit and dehumidifier |
| CN208760573U (en) * | 2018-07-28 | 2019-04-19 | 厦门金龙旅行车有限公司 | A kind of vehicle electric frost removal control system and car |
| CN109693648A (en) * | 2019-02-19 | 2019-04-30 | 珠海广通汽车有限公司 | Electric automobile high-voltage defroster and electric car |
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| CN202574142U (en) * | 2012-03-07 | 2012-12-05 | 桂林客车工业集团有限公司 | High-voltage electrothermal defroster |
| CN203753086U (en) * | 2013-11-08 | 2014-08-06 | 浙江吉利控股集团有限公司 | De-icing device for wiper of front windshield of automobile |
| CN204870906U (en) * | 2015-06-09 | 2015-12-16 | 方堃 | Car glass defroster |
| CN108501882A (en) * | 2018-04-12 | 2018-09-07 | 石家庄中博汽车有限公司 | A kind of vehicle is with removing defrosting system and the vehicle with it |
| CN208760573U (en) * | 2018-07-28 | 2019-04-19 | 厦门金龙旅行车有限公司 | A kind of vehicle electric frost removal control system and car |
| CN109489181A (en) * | 2018-11-19 | 2019-03-19 | 泰豪科技股份有限公司 | A kind of control circuit and dehumidifier |
| CN109693648A (en) * | 2019-02-19 | 2019-04-30 | 珠海广通汽车有限公司 | Electric automobile high-voltage defroster and electric car |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351309A (en) * | 2020-03-11 | 2020-06-30 | 合肥美的电冰箱有限公司 | Refrigeration equipment and fault detection method, control method and processing device thereof |
| CN111351309B (en) * | 2020-03-11 | 2022-04-15 | 合肥美的电冰箱有限公司 | Refrigeration equipment and fault detection method, control method and processing device thereof |
| CN111891068A (en) * | 2020-06-29 | 2020-11-06 | 东风商用车有限公司 | Warm air control system capable of automatically demisting |
| CN111891068B (en) * | 2020-06-29 | 2021-08-13 | 东风商用车有限公司 | Warm air control system capable of automatically demisting |
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| CN110341650B (en) | 2024-01-19 |
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