CN109649123A - The control device of electric vehicle heating combined equipment - Google Patents
The control device of electric vehicle heating combined equipment Download PDFInfo
- Publication number
- CN109649123A CN109649123A CN201811632025.8A CN201811632025A CN109649123A CN 109649123 A CN109649123 A CN 109649123A CN 201811632025 A CN201811632025 A CN 201811632025A CN 109649123 A CN109649123 A CN 109649123A
- Authority
- CN
- China
- Prior art keywords
- oxide
- metal
- semiconductor
- power supply
- ptc heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
Abstract
The present invention relates to a kind of control devices of electric vehicle heating combined equipment, with ptc heater, the cathode of the negative terminal termination high voltage power supply of ptc heater, it is characterized by: the positive terminal of ptc heater connects the anode of high voltage power supply through heating control unit, heating control unit is used to control the power supply interval on-off of ptc heater.The control to ptc heater can be optimized, save vehicle energy consumption.
Description
Technical field
The present invention relates to a kind of control devices of electric vehicle heating combined equipment.
Background technique
For new energy vehicle, especially pure electric vehicle, there is special optimization demand to the consumption of vehicle used energy.It is passing
The car air-conditioner of system controls aspect, and the component ptc heater of air-conditioning system heating is simple on-off control, disappears to the energy
There are certain waste situations for consumption, as ptc heater ability surplus, causes the sense of discomfort of user.
In the prior art, using relay control ptc heater, due to relay can not be switched fast closed state and after
Electric appliance mainly plays on-off action, the heating amount of ptc heater can not be adjusted, there are the wastes of the energy to share family use feeling
By bad problem.
Summary of the invention
It is an object of that present invention to provide a kind of control devices of electric vehicle heating combined equipment, can optimize to ptc heater
Vehicle energy consumption is saved in control.
Realize the technical solution of the object of the invention:
A kind of control device of electric vehicle heating combined equipment, has ptc heater, and the negative terminal of ptc heater terminates high-voltage electricity
The cathode in source, it is characterised in that: the positive terminal of ptc heater connects the anode of high voltage power supply, heating through heating control unit
Control unit is used to control the power supply interval on-off of ptc heater.
Further, heating control unit is equipped with signal control terminal, and signal control terminal is controlled for receiving PMW signal
The power supply interval on-off of ptc heater processed.
Further, the circuit structure for heating control unit is the grid of signal control the second metal-oxide-semiconductor of termination, the 2nd MOS
The drain electrode of pipe connects the grid of the first metal-oxide-semiconductor, and the source electrode of the first metal-oxide-semiconductor connects low tension source, and the drain electrode of the first metal-oxide-semiconductor connects power supply control
Coremaking piece, power supply control chip connect the primary side of isolating transformer, and the secondary side of isolating transformer connects the grid of third metal-oxide-semiconductor, third
The source electrode of metal-oxide-semiconductor connects the anode of high voltage power supply, and the drain electrode of third metal-oxide-semiconductor connects the anode of ptc heater.
Further, the indirect three terminal regulator of the drain electrode of the first metal-oxide-semiconductor and power supply control chip.
Further, described third metal-oxide-semiconductor is composed in parallel by multiple metal-oxide-semiconductors.
Further, the indirect rectification circuit of the grid on the secondary side and third metal-oxide-semiconductor of isolating transformer.
Further, PMW signal is inputted by heating the signal control terminal of control unit, by adjusting accounting for for PMW signal
Empty ratio controls the power supply interval on-off of ptc heater.
The invention has the benefit that
The positive terminal of ptc heater of the present invention connects the anode of high voltage power supply through heating control unit, and heating control unit is used
In the power supply interval on-off of control ptc heater；It heats control unit and is equipped with signal control terminal, signal control terminal is for receiving
PMW signal, and then control the power supply interval on-off of ptc heater.The present invention controls ptc heater by heating control unit,
Replace existing relay to control, optimize ptc heater control, the present invention heats control unit by adjusting input PMW letter
Number duty ratio, control the power supply interval on-off of ptc heater, action response is quick, when user needs to heat, passes through adjusting
The intermittence operative duty cycles of PTC, the flexible heating capacity for adjusting PTC, more convenient user flexibility adjust temperature；The present invention has
Effect saves energy consumption, effectively increases course continuation mileage when electric vehicle use in winter, and promote the comfort of user.
The circuit structure that the present invention heats control unit is the grid of signal control the second metal-oxide-semiconductor of termination, the second metal-oxide-semiconductor
Drain electrode connect the grid of the first metal-oxide-semiconductor, the source electrode of the first metal-oxide-semiconductor connects low tension source, and the drain electrode of the first metal-oxide-semiconductor connects power supply control
Chip, power supply control chip connect the primary side of isolating transformer, and the secondary side of isolating transformer meets the grid of third metal-oxide-semiconductor, the 3rd MOS
The source electrode of pipe connects the anode of high voltage power supply, and the drain electrode of third metal-oxide-semiconductor connects the anode of ptc heater.
The drain electrode of first metal-oxide-semiconductor and the indirect three terminal regulator of power supply control chip；Described third metal-oxide-semiconductor is by multiple MOS
Pipe composes in parallel；The indirect rectification circuit of the grid on the secondary side and third metal-oxide-semiconductor of isolating transformer.The present invention passes through above-mentioned heating
The foregoing circuit of control unit designs, and further ensures the functional reliability of heating control unit.
Detailed description of the invention
Fig. 1 is circuit diagram of the present invention；
Fig. 2 is the circuit diagram of present invention heating control unit.
Specific embodiment
As shown in Figure 1, having ptc heater 3, the cathode 2 of the negative terminal termination high voltage power supply of ptc heater 3, this is
The prior art.The positive terminal of ptc heater 3 connects the anode 1 of high voltage power supply through heating control unit 8, heats control unit 4
For controlling the power supply interval on-off of ptc heater.It heats control unit and is equipped with signal control terminal 5, signal control terminal 5 is for connecing
PMW signal is received, and then controls the power supply interval on-off of ptc heater.
As shown in Fig. 2, the circuit structure of heating control unit is that signal control terminal 5 connects the grid of the second metal-oxide-semiconductor Q2, the
The drain electrode of two metal-oxide-semiconductor Q2 connects the grid of the first metal-oxide-semiconductor Q1, and the source electrode of the first metal-oxide-semiconductor Q1 connects low tension source 15, the first metal-oxide-semiconductor
The drain electrode of Q1 meets power supply control chip U2, the drain electrode of the first metal-oxide-semiconductor Q1 and the indirect three terminal regulator U1 of power supply control chip U2.
Power supply control chip U2 connects the primary side of isolating transformer T1, and the secondary side of isolating transformer T1 connects the grid of third metal-oxide-semiconductor, third
The source electrode of metal-oxide-semiconductor connects the anode 1 of high voltage power supply, and the drain electrode of third metal-oxide-semiconductor connects the positive terminal of ptc heater.Described third
Metal-oxide-semiconductor is composed in parallel by multiple metal-oxide-semiconductors, in the present embodiment, is composed in parallel by metal-oxide-semiconductor Q3-Q5.The secondary side of isolating transformer T1
With the indirect rectification circuit of the grid of third metal-oxide-semiconductor, rectification circuit is made of diode D2, D3.
When work, when low tension source 15 is powered, heating control unit 4 starts.Heat the signal control terminal 5 of control unit
Receive PMW signal.When pwm signal is high level, the second metal-oxide-semiconductor Q2 conducting, and then the first metal-oxide-semiconductor Q1 is connected, three-terminal voltage-stabilizing
Device U1 output+5V voltage, power supply control chip U2 work, the secondary side output voltage signal of isolating transformer T1 pass through diode
Driving metal-oxide-semiconductor Q3, Q4, Q5 are open-minded after D2, D3 rectification, so that the positive terminal of the anode 1 of high voltage power supply and ptc heater
Termination is logical, ptc heater starting heating.The present invention inputs PMW signal by the signal control terminal of heating control unit, passes through tune
The duty ratio of whole PMW signal controls the power supply interval on-off of ptc heater.
Claims (7)
1. a kind of control device of electric vehicle heating combined equipment, has ptc heater, the negative terminal of ptc heater terminates high pressure
The cathode of power supply, it is characterised in that: the positive terminal of ptc heater connects the anode of high voltage power supply, system through heating control unit
Thermal control units are used to control the power supply interval on-off of ptc heater.
2. the control device of electric vehicle heating combined equipment according to claim 1, it is characterised in that: heating control unit is equipped with
Signal control terminal, signal control terminal control the power supply interval on-off of ptc heater for receiving PMW signal.
3. the control device of electric vehicle heating combined equipment according to claim 2, it is characterised in that: heat the electricity of control unit
Line structure is that the grid of signal control the second metal-oxide-semiconductor of termination, the drain electrode of the second metal-oxide-semiconductor meets the grid of the first metal-oxide-semiconductor, the first MOS
The source electrode of pipe connects low tension source, and the drain electrode of the first metal-oxide-semiconductor connects power supply control chip, and power supply control chip connects isolating transformer
Primary side, the secondary side of isolating transformer connect the grid of third metal-oxide-semiconductor, and the source electrode of third metal-oxide-semiconductor connects the anode of high voltage power supply, third
The drain electrode of metal-oxide-semiconductor connects the anode of ptc heater.
4. the control device of electric vehicle heating combined equipment according to claim 3, it is characterised in that: the drain electrode of the first metal-oxide-semiconductor
With the indirect three terminal regulator of power supply control chip.
5. the control device of electric vehicle heating combined equipment according to claim 4, it is characterised in that: described third metal-oxide-semiconductor by
Multiple metal-oxide-semiconductors compose in parallel.
6. the control device of electric vehicle heating combined equipment according to claim 5, it is characterised in that: the secondary side of isolating transformer
With the indirect rectification circuit of the grid of third metal-oxide-semiconductor.
7. the control device of electric vehicle heating combined equipment described in -6 any one according to claim 1, it is characterised in that: pass through system
The signal control terminal input PMW signal of thermal control units controls the power supply of ptc heater by adjusting the duty ratio of PMW signal
Interval on-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632025.8A CN109649123A (en) | 2018-12-29 | 2018-12-29 | The control device of electric vehicle heating combined equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632025.8A CN109649123A (en) | 2018-12-29 | 2018-12-29 | The control device of electric vehicle heating combined equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109649123A true CN109649123A (en) | 2019-04-19 |
Family
ID=66117826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811632025.8A Pending CN109649123A (en) | 2018-12-29 | 2018-12-29 | The control device of electric vehicle heating combined equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109649123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822796A (en) * | 2020-12-31 | 2021-05-18 | 江西江铃集团新能源汽车有限公司 | PTC device control circuit |
| CN112848840A (en) * | 2021-01-27 | 2021-05-28 | 奇瑞新能源汽车股份有限公司 | Control method and device for heating device of electric automobile and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100958021B1 (en) * | 2008-07-07 | 2010-05-17 | 갑을오토텍 유한회사 | Pulse Width Modulation Control Type High Capacity PTC Heater |
| CN104691271A (en) * | 2013-12-10 | 2015-06-10 | 现代自动车株式会社 | Heater control system for environmental friendly vehicle and method thereof |
| CN106166934A (en) * | 2016-08-05 | 2016-11-30 | 惠州市德赛西威汽车电子股份有限公司 | The control system for PTC heater of a kind of automotive air-conditioning controller and method |
| CN106274361A (en) * | 2016-08-27 | 2017-01-04 | 重庆瑞阳科技股份有限公司 | A kind of air-conditioning heating control method for electric automobile and system |
| CN109219163A (en) * | 2018-10-18 | 2019-01-15 | 奇瑞新能源汽车技术有限公司 | A kind of control system of vehicle heating appliance |
-
2018
- 2018-12-29 CN CN201811632025.8A patent/CN109649123A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100958021B1 (en) * | 2008-07-07 | 2010-05-17 | 갑을오토텍 유한회사 | Pulse Width Modulation Control Type High Capacity PTC Heater |
| CN104691271A (en) * | 2013-12-10 | 2015-06-10 | 现代自动车株式会社 | Heater control system for environmental friendly vehicle and method thereof |
| CN106166934A (en) * | 2016-08-05 | 2016-11-30 | 惠州市德赛西威汽车电子股份有限公司 | The control system for PTC heater of a kind of automotive air-conditioning controller and method |
| CN106274361A (en) * | 2016-08-27 | 2017-01-04 | 重庆瑞阳科技股份有限公司 | A kind of air-conditioning heating control method for electric automobile and system |
| CN109219163A (en) * | 2018-10-18 | 2019-01-15 | 奇瑞新能源汽车技术有限公司 | A kind of control system of vehicle heating appliance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822796A (en) * | 2020-12-31 | 2021-05-18 | 江西江铃集团新能源汽车有限公司 | PTC device control circuit |
| CN112848840A (en) * | 2021-01-27 | 2021-05-28 | 奇瑞新能源汽车股份有限公司 | Control method and device for heating device of electric automobile and vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 241003 no.226, South Huajin Road, high tech Industrial Development Zone, Wuhu City, Anhui Province Applicant after: Chery New Energy Automobile Co.,Ltd. Address before: 241003 Huajing South Road, Yijiang District, Wuhu, Anhui 226 Applicant before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190419 |