CN104760575A - Energy-saving exterior mirror heating method - Google Patents
Energy-saving exterior mirror heating method Download PDFInfo
- Publication number
- CN104760575A CN104760575A CN201510220802.8A CN201510220802A CN104760575A CN 104760575 A CN104760575 A CN 104760575A CN 201510220802 A CN201510220802 A CN 201510220802A CN 104760575 A CN104760575 A CN 104760575A
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- Prior art keywords
- dutycycle
- heating
- exterior mirror
- driving voltage
- predetermined
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Classifications
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- 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
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
- B60S1/60—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for signalling devices, e.g. reflectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
- B60R1/0602—Rear-view mirror arrangements mounted on vehicle exterior comprising means for cleaning or deicing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides an energy-saving exterior mirror heating method. The method comprises three heating stages. At the first stage, heating is finished according to the heating time and the driving voltage of a first duty ratio, wherein the heating time and the first duty ratio are obtained through calculation. At the second heating stage, heating is finished according to the driving voltage of a second duty ratio and preset heating time, wherein the second duty ratio is obtained through calculation. At the third heating stage, a third duty ratio obtained through calculation and a preset fourth duty ratio are compared and judged, and whether heating is finished based on the driving voltage of the third duty ratio and another preset heating time or based on the driving voltage of the fourth duty ratio and another preset heating time according to the judgment result. According to the energy-saving exterior mirror heating method, heating of an exterior mirror is adjusted in good time according to the exterior environment and the change of related factors, so that more energy can be saved during heating of the exterior mirror, and heating of the exterior mirror can be more environmentally friendly and intelligent.
Description
Technical field
The present invention relates to vehicle electric field, particularly relate to a kind of method of exterior mirror heating and energy saving.
Background technology
Along with customer improves day by day to vehicle safety, environmental protection and intelligentized requirement, main engine plants meet the diversity requirement of people to vehicle, on vehicle, progressively increase numerous electronic apparatus configuration feature, and be electronic control system corresponding to these functional developments and electric appliance load.Consume more electricity when Car Electronic Control system cloud gray model, accumulator electric-quantity may be caused to lose, affect the normal function of vehicle simultaneously.
At present, outside rear-view mirror for vehicle heating is by driver and crew after vehicle launch, and the heating button on operating air conditioner panel controls.Air-conditioner controller by the mirror heater on-off signal that collects by controller local area network (Controller Area Network, being called for short CAN) bus sends to Body control module (BodyController Module, be called for short BCM), drive relay to realize mirror heater function by car body controller.Consider energy-conserving and environment-protective, car body controller software inhouse adopts a timer usually, when timing arrives, closes mirror heater and drives.In this timing cycle, owing to carrying out the heating of back mirror always, still waste mass energy.
Summary of the invention
Embodiment of the present invention technical matters to be solved is, provides a kind of method of exterior mirror heating and energy saving, in exterior mirror heat process, can reach the object of further economize energy.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
Embodiments provide a kind of method of exterior mirror energy-saving heating, comprising:
After detecting that heater switch is opened, gather ambient temperature value;
According to described ambient temperature value, calculate the time of heat of first stage, according to the time of heat calculated, with the driving voltage of the first dutycycle, exterior mirror is performed to the heat process of first stage;
After the heat process of first stage terminates, according to a predetermined driving voltage dutycycle computing formula, calculate the second dutycycle of the described driving voltage of subordinate phase, and with the driving voltage of described second dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the first predetermined scheduled duration;
After the heat process of subordinate phase terminates, according to described predetermined driving voltage dutycycle computing formula, calculate the 3rd dutycycle of the driving voltage of phase III, judge the size of described 3rd dutycycle and the 4th predetermined dutycycle;
When described 3rd dutycycle is less than described 4th dutycycle, with the driving voltage of described 3rd dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the second predetermined scheduled duration;
When described 3rd dutycycle is more than or equal to described 4th dutycycle, with the driving voltage of described 4th dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the second predetermined scheduled duration.
Further, after the heat process of described phase III terminates, described method also comprises:
After detecting that described mirror heater switch cuts out, stop heating exterior mirror.
Further, described according to described ambient temperature value, the account form calculating the time of heat of first stage is:
t
1＝T
RT+CF
t1×(T
RT-T)s
Wherein, t
1for the time of heat of first stage, unit: second; T
rTget by degree Celsius in units of Indoor Temperature angle value, be a fixed numbers; CF
t1for temperature correction coefficient, it is a predetermined constant; T get by degree Celsius in units of ambient temperature value, wherein, T<T
rT.
Further, in subordinate phase and the heat process of phase III, described predetermined driving voltage dutycycle computing formula is:
P＝(T
RT-T)×(0.5+CF
v1×V)×100％
P is the dutycycle of heat driven voltage; T
rTget by degree Celsius in units of Indoor Temperature angle value, be a fixed value; T get by degree Celsius in units of ambient temperature value, wherein, T<T
rT; CF
v1for speed of a motor vehicle coefficient of correction, it is a predetermined constant; V get by km/time in units of current vehicle speed value.
Further, described method also comprises: gather current vehicle speed value, according to described current vehicle speed value and described predetermined driving voltage dutycycle computing formula, calculate described second dutycycle and the 3rd dutycycle.
Further, described method also comprises: gather battery tension value, if the described battery tension value collected is lower than predetermined magnitude of voltage, then forbid carrying out exterior mirror heating.
Whether further, described method also comprises: detect driving engine and run, if driving engine off-duty, then forbid carrying out exterior mirror heating.
Further, after described collection ambient temperature value, described method also comprises:
Judge the size of described ambient temperature value and predetermined temperature value;
When described ambient temperature value is less than described predetermined temperature value, according to described ambient temperature value, calculate the time of heat of first stage;
When described ambient temperature value is more than or equal to described predetermined temperature value, with the driving voltage of the 5th dutycycle heating exterior mirror, perform the whole heat process of the 3rd predetermined scheduled duration.
The invention has the beneficial effects as follows: the method for the exterior mirror heating and energy saving that the embodiment of the present invention provides comprises three heating periods, wherein, in the first heating period, complete the heat process of first stage according to the driving voltage of the time of heat calculated and the first dutycycle; In the second heating period, complete heat process according to the driving voltage of the second dutycycle calculated and a predetermined time of heat; In the 3rd heating period, according to comparative result, the 3rd dutycycle relatively calculated and the size of the 4th predetermined dutycycle, determine that completing heat process with the driving voltage of the 3rd dutycycle and another predetermined time of heat still completes heat process with the driving voltage of the 4th dutycycle and another predetermined time of heat.The method of this exterior mirror heating and energy saving, according to the change of exterior mirror ambient temperature and correlative factor, adjusts the heating of exterior mirror in good time, makes the heating energy-conserving and environment-protective more of exterior mirror, more intelligent.
Accompanying drawing explanation
Fig. 1 represents one of schematic flow sheet of the method for the exterior mirror heating and energy saving that the embodiment of the present invention provides;
Fig. 2 represents the schematic flow sheet two of the method for the exterior mirror heating and energy saving that the embodiment of the present invention provides;
Fig. 3 represents the functional block diagram of the exterior mirror heating system that the embodiment of the present invention provides;
Fig. 4 represents the schematic flow sheet of the method example of a kind of exterior mirror heating and energy saving that the embodiment of the present invention provides.
Detailed description of the invention
Below with reference to accompanying drawings exemplary embodiment of the present invention is described in more detail.Although show exemplary embodiment of the present invention in accompanying drawing, however should be appreciated that can realize the present invention in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the present invention can be understood, and complete for scope of the present invention can be conveyed to those skilled in the art.
Embodiments provide a kind of method of exterior mirror energy-saving heating, as shown in Figure 1, described method comprises:
S101, after detecting that heater switch is opened, gather ambient temperature value.
S102, according to described ambient temperature value, calculate the time of heat of first stage, according to the time of heat calculated, with the driving voltage of the first dutycycle, exterior mirror is performed to the heat process of first stage.
S103, after the heat process of first stage terminates, according to a predetermined driving voltage dutycycle computing formula, calculate the second dutycycle of the described driving voltage of subordinate phase, and with the driving voltage of described second dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the first predetermined scheduled duration.
S104, after the heat process of subordinate phase terminates, according to described predetermined driving voltage dutycycle computing formula, calculate the 3rd dutycycle of driving voltage of phase III, judge the size of described 3rd dutycycle and the 4th predetermined dutycycle.
S105, when described 3rd dutycycle is less than described 4th dutycycle, with the driving voltage of described 3rd dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the second predetermined scheduled duration.
S106, when described 3rd dutycycle is more than or equal to described 4th dutycycle, with the driving voltage of described 4th dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the second predetermined scheduled duration.
The method of the exterior mirror heating and energy saving that the embodiment of the present invention provides comprises the heat process of three phases, can according to the change of the change of back mirror ambient temperature with other correlative factors, the heating of exterior mirror is adjusted in good time, when back mirror ambient temperature is lower, increase the dutycycle of driving voltage within an output cycle, when back mirror ambient temperature is higher, reduce the dutycycle of driving voltage within an output cycle; In the starting stage of heating, the dutycycle controlling driving voltage is in a higher value, when heating draws to an end, the dutycycle controlling driving voltage is in a smaller value, thus reach the reasonable employment energy, the object of economize energy, also make the heating of exterior mirror more intelligent.
In order to understand the method for the exterior mirror heating and energy saving that the embodiment of the present invention provides further, be hereafter described to each step in above-mentioned respectively.
S101, after detecting that heater switch is opened, gather ambient temperature value.
Wherein, as shown in Figure 2, the detection of heater switch signal and the collection of ambient temperature are completed by automatic air conditioning controller, and send to Body control module by controller area network bus, by Body control module driving power chip horsepower output to the outer left and right mirror heater of car.Body control module is the main control unit of exterior mirror heating function, can realize the logical algorithm of Intelligent heating function, and driving power chip carries out exterior mirror heating.
S102, according to described ambient temperature value, calculate the time of heat of first stage, according to the time of heat calculated, with the driving voltage of the first dutycycle, exterior mirror is performed to the heat process of first stage.
In the heat process of first stage, to be Body control module calculate according to a predetermined computing formula time of heat, and this computing formula is:
t
1＝T
RT+CF
t1×(T
RT-T)s
Wherein, t
1for the time of heat of first stage, unit: second (s); T
rTget by degree Celsius in units of Indoor Temperature angle value, be a fixed numbers, general T
rT=23; CF
t1for temperature correction coefficient, be a predetermined constant, generally design according to actual calibration value, according to country variant and area, CF
t1usually 4,6,8,10 can be selected; T get by degree Celsius in units of ambient temperature value, wherein, T≤T
rT.
Wherein, after collecting ambient temperature value, as shown in Figure 3, described method also comprises:
S301, judge the size of the ambient temperature value that collects and predetermined temperature value, described predetermined temperature value is Indoor Temperature angle value.
S302, when described ambient temperature value is less than described predetermined temperature value, according to described ambient temperature value, calculate the time of heat of first stage.
S303, when described ambient temperature value is more than or equal to described predetermined temperature value, with the driving voltage of the 5th dutycycle heating exterior mirror, perform the whole heat process of the 3rd predetermined scheduled duration.
Such as, when ambient temperature value is greater than 23 DEG C, Body control module can determine that the total time adding thermal output of driving voltage is 20 seconds, and the dutycycle of driving voltage also can set according to the actual requirements.
S103, after the heat process of first stage terminates, according to a predetermined driving voltage dutycycle computing formula, calculate the second dutycycle of the described driving voltage of subordinate phase, and with the driving voltage of described second dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the first predetermined scheduled duration.
After the heat process of first stage terminates, Body control module can according to a predetermined driving voltage dutycycle computing formula, calculate the dutycycle of the driving voltage of subordinate phase, and the heat process of subordinate phase is performed with the driving voltage of the dutycycle calculated and a predetermined heating duration, the time of heat of subordinate phase generally gets 10 minutes, also can set according to actual needs.If the dutycycle calculated is greater than 100%, then carry out adding thermal output according to the driving voltage of 100%.Wherein, described predetermined driving voltage dutycycle computing formula is:
P＝(T
RT-T)×(0.5+CF
v1×V)×100％
P is the dutycycle of heat driven voltage; T
rTget by degree Celsius in units of Indoor Temperature angle value, be a fixed value, general T
rT=23; T get by degree Celsius in units of ambient temperature value, wherein, T<T
rT; CF
v1for speed of a motor vehicle coefficient of correction, be a predetermined constant, generally design according to actual calibration value, usually can select 0.02,0.04,0.06; V get by km/time in units of current vehicle speed value.For obtaining current vehicle speed value, described method also comprises:
Gather current vehicle speed value, according to described current vehicle speed value and described predetermined driving voltage dutycycle computing formula, calculate the dutycycle of required driving voltage.
S104 ~ S106, after the heat process of subordinate phase terminates, according to described predetermined driving voltage dutycycle computing formula, calculate the 3rd dutycycle of driving voltage of phase III, judge the size of described 3rd dutycycle and the 4th predetermined dutycycle; When described 3rd dutycycle is less than described 4th dutycycle, with the driving voltage of described 3rd dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the second predetermined scheduled duration; When described 3rd dutycycle is more than or equal to described 4th dutycycle, with the driving voltage of described 4th dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the second predetermined scheduled duration.
After the heat process of subordinate phase terminates, Body control module can calculate the dutycycle of the driving voltage of phase III according to predetermined driving voltage dutycycle computing formula, and judge the size of the dutycycle that calculates and a predetermined dutycycle, if the dutycycle calculated is less than predetermined dutycycle, then carry out adding thermal output with the driving voltage of the dutycycle calculated, if the dutycycle calculated is more than or equal to predetermined dutycycle, then carry out adding thermal output with the driving voltage of predetermined duty cycle.And the time of heat of phase III is the predetermined heat time, can set according to the actual requirements.
Further, after the heat process of phase III terminates, described method also comprises: after detecting that described mirror heater switch cuts out, stop heating exterior mirror.After automatic air conditioning controller detects heater switch closing signal, and send to Body control module by CAN, Body control module can stop driving power chip horsepower output, thus terminates the heating to exterior mirror.
In addition, if Body control module does not receive temperature value and the current vehicle speed value of external environment condition within one period of continuous time, Body control module can be determined to enter heat spent pattern, and add one section of predetermined time of heat of thermal output one according to the driving voltage of a predetermined dutycycle, such as add thermal output 10 minutes according to the driving voltage of 50% dutycycle, the selection of concrete numerical value can set according to actual needs.The reason of temperature value and current vehicle speed value that Body control module does not receive external environment condition within one period of continuous time may be because heating system there occurs fault, or Body control module have received spurious signal etc.
In embodiments of the present invention, Body control module can again calculate according to the dutycycle computing formula of driving voltage every a schedule time and upgrade the dutycycle of driving voltage, therefore, in subordinate phase and the heat process of phase III, the dutycycle calculated is not unalterable, in the heat process in a stage, may there is multiple dutycycle, thus in time the heating of exterior mirror is adjusted, reach energy-conservation object.
In addition, in whole heat process, also need the detection transmitting set of timing whether to be in running state, if driving engine off-duty, then forbid carrying out exterior mirror heating.
When the electricity in storage battery is lower, probably occurring cannot the fault of start the engine, now and be not suitable for the heating carrying out exterior mirror, therefore in order to whether the electricity paid close attention in storage battery enough supports heat process, described method also comprises: gather battery tension value, if the battery tension value collected is lower than predetermined magnitude of voltage, then forbid carrying out exterior mirror heating.Such as when battery tension is lower than 10V, then forbid the heating carrying out exterior mirror.As shown in Figure 2, current vehicle speed value, driving engine run signal and battery tension value can be gathered by engine management unit, and send to Body control module by CAN.
As shown in Figure 4, the schematic flow sheet of the method example of a kind of exterior mirror heating and energy saving provided for the embodiment of the present invention, by this example, understands the method for the exterior mirror heating and energy saving that the embodiment of the present invention provides further.In this example, first Body control module can judge whether driving engine runs, if driving engine off-duty, then forbids the heating carrying out exterior mirror.If detect, driving engine is in running state, detect heater switch more whether to open, after heater switch is opened, gather ambient temperature, and judge the size of ambient temperature and predetermined value 23 DEG C, if ambient temperature is more than or equal to 23 DEG C, then start 20 seconds timers, to exterior mirror carry out 20 seconds add thermal output, the dutycycle of driving voltage now can be set to 50%, also can set accordingly according to demand; If ambient temperature is less than 23 DEG C, then enter the heat process of first stage, after determining that the heat process of first stage terminates, enter the heat process of subordinate phase, the like, thus complete whole heat process, general in the 3rd heating period process, the heating of exterior mirror completes substantially, therefore, the dutycycle general control of driving voltage, about 10%, can reduce the waste of the energy like this.
The method of the exterior mirror heating and energy saving that the embodiment of the present invention provides, in whole heat process, be not continue to carry out adding thermal output always, but according to the change of exterior mirror ambient temperature, according to the actual requirements, the dutycycle of adjustment driving voltage, makes whole heat process economize energy more, more intelligent.
Above-described is the preferred embodiment of the present invention; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite of the present invention, these improvements and modifications are also in protection scope of the present invention.
Claims (8)
1. a method for exterior mirror energy-saving heating, is characterized in that, described method comprises:
After detecting that heater switch is opened, gather ambient temperature value;
According to described ambient temperature value, calculate the time of heat of first stage, according to the time of heat calculated, with the driving voltage of the first dutycycle, exterior mirror is performed to the heat process of first stage;
After the heat process of first stage terminates, according to a predetermined driving voltage dutycycle computing formula, calculate the second dutycycle of the described driving voltage of subordinate phase, and with the driving voltage of described second dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the first predetermined scheduled duration;
After the heat process of subordinate phase terminates, according to described predetermined driving voltage dutycycle computing formula, calculate the 3rd dutycycle of the driving voltage of phase III, judge the size of described 3rd dutycycle and the 4th predetermined dutycycle;
When described 3rd dutycycle is less than described 4th dutycycle, with the driving voltage of described 3rd dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the second predetermined scheduled duration;
When described 3rd dutycycle is more than or equal to described 4th dutycycle, with the driving voltage of described 4th dutycycle heating exterior mirror, perform the heat process of the subordinate phase of the second predetermined scheduled duration.
2. the method for exterior mirror energy-saving heating as claimed in claim 1, it is characterized in that, after the heat process of described phase III terminates, described method also comprises:
After detecting that described mirror heater switch cuts out, stop heating exterior mirror.
3. the method for exterior mirror energy-saving heating as claimed in claim 1, is characterized in that, described according to described ambient temperature value, and the account form calculating the time of heat of first stage is:
t
1＝T
RT+CF
t1×(T
RT-T)s
Wherein, t
1for the time of heat of first stage, unit: second; T
rTget by degree Celsius in units of Indoor Temperature angle value, be a fixed numbers; CF
t1for temperature correction coefficient, it is a predetermined constant; T get by degree Celsius in units of ambient temperature value, wherein, T<T
rT.
4. the method for exterior mirror energy-saving heating as claimed in claim 1, it is characterized in that, in subordinate phase and the heat process of phase III, described predetermined driving voltage dutycycle computing formula is:
P＝(T
RT-T)×(0.5+CF
v1×V)×100％
P is the dutycycle of heat driven voltage; T
rTget by degree Celsius in units of Indoor Temperature angle value, be a fixed value; T get by degree Celsius in units of ambient temperature value, wherein, T<T
rT; CF
v1for speed of a motor vehicle coefficient of correction, it is a predetermined constant; V get by km/time in units of current vehicle speed value.
5. the method for exterior mirror energy-saving heating as claimed in claim 4, is characterized in that, also comprise:
Gather current vehicle speed value, according to described current vehicle speed value and described predetermined driving voltage dutycycle computing formula, calculate described second dutycycle and the 3rd dutycycle.
6. the method for exterior mirror energy-saving heating as claimed in claim 1, it is characterized in that, described method also comprises:
Gather battery tension value, if the described battery tension value collected is lower than predetermined magnitude of voltage, then forbid carrying out exterior mirror heating.
7. the method for exterior mirror heating and energy saving as claimed in claim 1, it is characterized in that, described method also comprises:
Detect driving engine whether to run, if driving engine off-duty, then forbid carrying out exterior mirror heating.
8. the method for exterior mirror heating and energy saving as claimed in claim 1, it is characterized in that, after described collection ambient temperature value, described method also comprises:
Judge the size of described ambient temperature value and predetermined temperature value;
When described ambient temperature value is less than described predetermined temperature value, according to described ambient temperature value, calculate the time of heat of first stage;
When described ambient temperature value is more than or equal to described predetermined temperature value, with the driving voltage of the 5th dutycycle heating exterior mirror, perform the whole heat process of the 3rd predetermined scheduled duration.
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|---|---|---|---|
| CN201510220802.8A CN104760575B (en) | 2015-05-04 | 2015-05-04 | Energy-saving exterior mirror heating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220802.8A CN104760575B (en) | 2015-05-04 | 2015-05-04 | Energy-saving exterior mirror heating method |
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| Publication Number | Publication Date |
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| CN104760575A true CN104760575A (en) | 2015-07-08 |
| CN104760575B CN104760575B (en) | 2017-05-03 |
Family
ID=53642767
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510220802.8A Active CN104760575B (en) | 2015-05-04 | 2015-05-04 | Energy-saving exterior mirror heating method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108524086A (en) * | 2018-04-11 | 2018-09-14 | 深圳可思美科技有限公司 | Facial cosmetic refrigeration system, method and apparatus |
| CN108556744A (en) * | 2018-04-11 | 2018-09-21 | 北京车和家信息技术有限公司 | Control method, control system and the vehicle of mirror heater device |
| CN109969134A (en) * | 2017-12-27 | 2019-07-05 | 丰田自动车株式会社 | Vehicle filming apparatus and heating device |
| CN114650626A (en) * | 2022-03-17 | 2022-06-21 | 东集技术股份有限公司 | Heating system and method for wharf scanning lens and code scanning equipment |
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| US20140374402A1 (en) * | 2012-02-16 | 2014-12-25 | Abominable Labs, Llc | Power-saving method for defogging an eye-shield |
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| JP2006151285A (en) * | 2004-11-30 | 2006-06-15 | Yazaki Corp | Heating-coil heater control device for vehicle |
| CN101129092A (en) * | 2005-02-24 | 2008-02-20 | 埃克阿泰克有限责任公司 | Pulse width modulated defroster |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109969134A (en) * | 2017-12-27 | 2019-07-05 | 丰田自动车株式会社 | Vehicle filming apparatus and heating device |
| CN109969134B (en) * | 2017-12-27 | 2022-04-15 | 丰田自动车株式会社 | Imaging device for vehicle and heating device |
| CN108524086A (en) * | 2018-04-11 | 2018-09-14 | 深圳可思美科技有限公司 | Facial cosmetic refrigeration system, method and apparatus |
| CN108556744A (en) * | 2018-04-11 | 2018-09-21 | 北京车和家信息技术有限公司 | Control method, control system and the vehicle of mirror heater device |
| CN114650626A (en) * | 2022-03-17 | 2022-06-21 | 东集技术股份有限公司 | Heating system and method for wharf scanning lens and code scanning equipment |
| CN114650626B (en) * | 2022-03-17 | 2023-07-14 | 东集技术股份有限公司 | Heating system and method for wharf lens and code scanning equipment |
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| Publication number | Publication date |
|---|---|
| CN104760575B (en) | 2017-05-03 |
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