CN103061897B - A kind of engine throttle body and method for heating and controlling thereof - Google Patents
A kind of engine throttle body and method for heating and controlling thereof Download PDFInfo
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- CN103061897B CN103061897B CN201210574137.9A CN201210574137A CN103061897B CN 103061897 B CN103061897 B CN 103061897B CN 201210574137 A CN201210574137 A CN 201210574137A CN 103061897 B CN103061897 B CN 103061897B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005266 casting Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention discloses a kind of engine throttle body and method for heating and controlling thereof.This throttle body comprises closure housing, and to the heating system that described housing heats, this heating system comprises: heating equipment, described heating equipment comprises intake pipe, outlet pipe, the heating cavity that is connected with closure housing, and described intake pipe, outlet pipe are connected with the heat tunnel be arranged in heating cavity respectively; Control gear, described control gear comprises: intake air temperature sensor, environment temperature sensor, control module, solenoid valve and control valve.By utilizing scheme provided by the present invention, the control problem under effectively can solving various operating mode, throttle body heated.<!--1-->
Description
Technical field
Patent of the present invention belongs to technical field of engines, is specifically related to a kind of engine throttle body.
Background technique
Throttle body (also known as throttle valve body) is contained on engine intake manifold usually, and its main purpose is that the different operating conditionss that the valve block aperture size by regulating on throttle body is motor provide fresh air.Because north of china in winter temperature can reach less than-30 ° degrees Celsius usually; this will cause the temperature of throttle inflow mouth may lower than zero degrees celsius; there is risk that is icing, stuck closure valve block in solar term doorway; heat for closure so common throttle body is provided with usually motor HVAC circulating water, prevent freeze stuck closure valve block or liquid water of water vapour from damaging the electronic components such as stepper motor.But when after engine warm-up, the temperature on solar term doorway raises the risk by there is not icing stuck valve block or damage electronic component, or also can not to freeze at the closure in summer of sweltering heat and there is the risk of stuck valve block, if so now HVAC water continues to heat closure, the warm air through closure will certainly be caused to be continued heating, and intake temperature raises, and intake temperature will cause air input of engine by air to reduce after raising, charging efficiency reduces, degradation under engine power.Therefore, can heat throttle body under cryogenic, and under the high temperature conditions, or can not have been frozen by heating closure and to stop throttle body heating when there is stuck valve valve block, be the technical problem that those skilled in the art will solve.
Summary of the invention
For the deficiency that prior art exists, the present invention proposes a kind of engine throttle body, effectively solve and can heat throttle body under cryogenic, and under the high temperature conditions, or can not to be frozen the technical problem stopped when there is stuck valve valve block throttle body heating by heating closure.The invention allows for a kind of throttle body method for heating and controlling.
In order to solve the problems of the technologies described above, technological scheme of the present invention is:
A kind of engine throttle body, comprise closure housing, and to the heating system that described housing heats, this heating system comprises:
Heating equipment, described heating equipment comprises intake pipe, outlet pipe, the heating cavity that is connected with closure housing, and described intake pipe, outlet pipe are connected with the heat tunnel be arranged in heating cavity respectively;
Control gear, described control gear comprises: intake air temperature sensor, environment temperature sensor, control module, solenoid valve and control valve; Wherein,
Described Engine ECU, for detecting engine on time;
Described intake air temperature sensor, for detecting throttle inflow mouth intake temperature;
Described environment temperature sensor, for detecting engine operating environments temperature;
Described control module is electrically connected with Engine ECU and described intake air temperature sensor and environment temperature sensor respectively, Real-time Obtaining engine on time A1, throttle inflow mouth intake temperature B1, engine operating environments temperature C1, and compare with engine on time predefined value A, throttle inflow mouth intake temperature predefined value B, engine operating environments temperature predefined value C respectively;
When the engine is running, A1 is greater than predefined value A, and throttle inflow mouth inlet air temperature value B1 is greater than throttle inflow mouth intake temperature predefined value B, and engine operating environments temperature C1 is when being greater than engine operating environments temperature predefined value C, control module sends the instruction of closing heat tunnel; Otherwise control module sends the instruction of opening heat tunnel.
Described solenoid valve and control valve are interconnected, and described solenoid valve is electrically connected with control module, for receiving the instruction of control module, and control to be arranged at the control valve unlatching in heat tunnel or closedown heat tunnel.
The working principle of this heating system: motor HVAC circulating water flows through the heat tunnel in heating cavity by intake pipe, closure housing is heated, then flow out through outlet pipe, during engine start, cool air flows into from throttle inflow mouth, and the hot air after heating flows out from closure air outlet.The engine on time A1 that control module Real-time Obtaining Engine ECU provides, the throttle inflow mouth intake temperature B1 that intake air temperature sensor provides, the engine operating environments temperature C1 that environment temperature sensor provides, and with engine on time predefined value A, throttle inflow mouth intake temperature predefined value B, engine operating environments temperature predefined value C compares, when the engine is running, A1 is greater than predefined value A, throttle inflow mouth inlet air temperature value B1 is greater than throttle inflow mouth intake temperature predefined value B, and engine operating environments temperature C1 is when being greater than engine operating environments temperature predefined value C, control module sends the instruction of closing heat tunnel, otherwise, control module just sends the instruction of opening heat tunnel.
Further, described heating cavity is positioned at closure housing by-pass hole side.
Further, described heating cavity and closure housing integrally casting shaping, described heat tunnel is formed by machining.
Further, described control valve is spherical valve.
Further, described solenoid valve is arranged on heating cavity, and the instruction control spherical valve that solenoid valve receives control module carries out rotation process, thus opens or close heat tunnel.
Further, described intake air temperature sensor is arranged in the intake manifold of closure rear end.
Accordingly, the present invention also provides a kind of closure method for heating and controlling, and described method comprises:
Engine ECU detects engine on time A1, and intake air temperature sensor detects throttle inflow mouth intake temperature B1, and environment temperature sensor detects engine operating environments temperature C1;
Control module obtains engine on time A1, throttle inflow mouth intake temperature B1, engine operating environments temperature C1;
Judge whether engine on time A1 is greater than engine on time predefined value A, whether throttle inflow mouth intake temperature B1 is greater than throttle inflow mouth intake temperature predefined value B, whether engine operating environments temperature C1 is greater than engine operating environments temperature predefined value C, if A1>A, B1>B, C1>C, control module sends the instruction of closing heat tunnel, solenoid valve receives the instruction of control module, and the control valve that control is arranged in heat tunnel closes heat tunnel, otherwise, control module sends the instruction of opening heat tunnel, solenoid valve receives the instruction of control module, and the control valve that control is arranged in heat tunnel opens heat tunnel.
In the technological scheme that the invention process patent provides, heated to throttle body by heating equipment, by control module Real-time Obtaining engine on time A1, throttle inflow mouth intake temperature B1, engine operating environments temperature C1, and compare with engine on time predefined value A, throttle inflow mouth intake temperature predefined value B, engine operating environments temperature predefined value C respectively, determine whether to open or close heat tunnel, the control problem heated throttle body under efficiently solving various operating mode according to judged result.
Accompanying drawing explanation
Fig. 1 is the structural representation of throttle body;
Fig. 2 is throttle body air inlet schematic diagram;
Fig. 3 is throttle body heating equipment structural representation;
Fig. 4 is the structured flowchart of throttle body heating control device;
Fig. 5 is throttle body computer heating control flow chart of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of engine throttle body, comprises closure housing, and to the heating system that described housing heats, this heating system comprises:
Heating equipment, described heating equipment comprises intake pipe 21, outlet pipe 22, the heating cavity 23 that is connected with closure housing, and described intake pipe 21, outlet pipe 22 are connected with the heat tunnel 24 be arranged in heating cavity 23 respectively;
Control gear, described control gear comprises: Engine ECU 34, intake air temperature sensor 35, environment temperature sensor 36, control module 31, solenoid valve 32 and control valve 30; Wherein,
Engine ECU 34, for detecting engine on time;
Described intake air temperature sensor 35, for detecting throttle inflow mouth intake temperature;
Described environment temperature sensor 36, for detecting engine operating environments temperature;
Described control module 31 is electrically connected with Engine ECU 34 and described intake air temperature sensor 35 and environment temperature sensor 36 respectively, Real-time Obtaining engine on time A1, throttle inflow mouth intake temperature B1, engine operating environments temperature C1, and compare with engine on time predefined value A, throttle inflow mouth intake temperature predefined value B, engine operating environments temperature predefined value C respectively;
When the engine is running, A1 is greater than predefined value A, and throttle inflow mouth inlet air temperature value B1 is greater than throttle inflow mouth intake temperature predefined value B, and engine operating environments temperature C1 is when being greater than engine operating environments temperature predefined value C, control module sends the instruction of closing heat tunnel; Otherwise control module sends the instruction of opening heat tunnel.
Described solenoid valve 31 and control valve 30 are interconnected, and described solenoid valve is electrically connected with control module, and for receiving the instruction of control module, and heat tunnel 24 is opened or closed to the control control valve 30 be arranged in heat tunnel.
The technical program is heated throttle body by heating equipment, by control module 31 Real-time Obtaining engine on time A1, throttle inflow mouth intake temperature B1, engine operating environments temperature C1, and compare with engine on time predefined value A, throttle inflow mouth intake temperature predefined value B, engine operating environments temperature predefined value C respectively, determine whether to open or close heat tunnel according to judged result, unlatching or the closedown of heat tunnel can be controlled in real time, the control problem under efficiently solving various operating mode, throttle body heated.
See Fig. 2, motor HVAC circulating water flows through the heat tunnel 24 in heating cavity 23 by intake pipe 21, closure housing is heated, then flow out through outlet pipe 22, during engine start, cool air flows into from throttle inflow mouth 11, and the hot air after heating flows out from closure air outlet 12.
See Fig. 1 and Fig. 2, described heating cavity 23 is positioned at closure housing by-pass hole side, bypass aperture upward, easy ponding in hole and stepper motor are positioned at the minimum point in hole, this position can make the HVAC circulating water in heating cavity effectively heat by-pass hole, water vapour in removing hole, making ice damages stepper motor.
Preferably, described heating cavity 21 is shaping with closure housing integrally casting, one-body moldedly effectively can implement sealing to heating cavity, and reduce the risk of leaking, and only need a secondary mould-forming, can reduce costs, described heat tunnel 24 is formed by machining.
Preferably, described control valve is spherical valve 33, and heat tunnel by machine add-on type, and is cylindrical channel, and spherical valve effectively can implement sealing to cylindrical channel.
Preferably, described solenoid valve 32 is arranged on heating cavity 23, the instruction control spherical valve 33 that solenoid valve 32 receives control module 31 carries out rotation process, thus open or close heat tunnel, solenoid valve is arranged on the length that heating cavity can shorten solenoid valve and spherical valve coupling shaft, improve control accuracy, heating cavity is the body of aluminum alloy material simultaneously, can provide the installation strong point of solenoid valve.
Preferably, described intake air temperature sensor is arranged in the intake manifold of closure rear end, and intake air temperature sensor is arranged in the volume that intake manifold can reduce closure, conveniently can detect the temperature in intake manifold simultaneously.
Environment temperature sensor 36 can require according to arrangement any position of being arranged on vehicle body, as long as can testing environment temperature, in this no limit.
Corresponding to above-mentioned throttle body, the present invention also provides a kind of method for heating and controlling, and as shown in Figure 5, a kind of method for heating and controlling, comprising:
S501, Engine ECU 34 detects engine on time A1, and intake air temperature sensor 35 detects throttle inflow mouth intake temperature B1, and environment temperature sensor 36 detects engine operating environments temperature C1;
S502, control module 31 obtains engine on time A1, throttle inflow mouth intake temperature B1, engine operating environments temperature C1;
S503, judge whether engine on time A1 is greater than engine on time predefined value A, whether throttle inflow mouth intake temperature B1 is greater than throttle inflow mouth intake temperature predefined value B, whether engine operating environments temperature C1 is greater than engine operating environments temperature predefined value C, if A1>A, B1>B, C1>C, perform step S504 and S505; Otherwise, perform step S506 and S507;
S504, control module sends the instruction of closing heat tunnel;
S505, solenoid valve receives the instruction of control module, and the control valve that control is arranged in heat tunnel closes heat tunnel.
S506, control module sends the instruction of opening heat tunnel;
S507, solenoid valve receives the instruction of control module, and the control valve that control is arranged in heat tunnel opens heat tunnel.
The method can control unlatching or the closedown of heat tunnel according to ambient temperature residing for engine on time, throttle inflow temperature, car load, thus determines whether as closure heating.
Claims (6)
1. an engine throttle body, comprises closure housing, and to the heating system that described housing heats, this heating system comprises:
Heating equipment, described heating equipment comprises intake pipe (21), outlet pipe (22), the heating cavity (23) that is connected with closure housing, and described intake pipe (21), outlet pipe (22) are connected with the heat tunnel (24) be arranged in heating cavity (23) respectively;
It is characterized in that, also comprise,
Control gear, described control gear comprises: Engine ECU (34), intake air temperature sensor (35), environment temperature sensor (36), control module (31), solenoid valve (32) and control valve (30); Wherein,
Engine ECU (34), for detecting engine on time;
Described intake air temperature sensor (35), for detecting throttle inflow mouth intake temperature;
Described environment temperature sensor (36), for detecting engine operating environments temperature;
Described control module (31) is electrically connected with described Engine ECU (34), intake air temperature sensor (35) and environment temperature sensor (36) respectively, Real-time Obtaining engine on time A1, throttle inflow mouth intake temperature B1, engine operating environments temperature C1, and compare with engine on time predefined value A, throttle inflow mouth intake temperature predefined value B, engine operating environments temperature predefined value C respectively;
When the engine is running, A1 is greater than predefined value A, and throttle inflow mouth inlet air temperature value B1 is greater than throttle inflow mouth intake temperature predefined value B, and engine operating environments temperature C1 is when being greater than engine operating environments temperature predefined value C, control module sends the instruction of closing heat tunnel; Otherwise control module sends the instruction of opening heat tunnel;
Described solenoid valve (32) and control valve (30) are interconnected, and described solenoid valve is electrically connected with control module, for receiving the instruction of control module, and control to be arranged at control valve (30) unlatching in heat tunnel or closedown heat tunnel (24);
Described heating cavity (23) is positioned at closure housing by-pass hole side.
2. throttle body according to claim 1, described heating cavity (23) is shaping with closure housing integrally casting, and described heat tunnel (24) is formed by machining.
3. throttle body according to claim 1, described control valve is spherical valve (33).
4. throttle body according to claim 3, described solenoid valve is arranged on heating cavity, and the instruction control spherical valve that solenoid valve receives control module carries out rotation process, thus opens or close heat tunnel.
5. throttle body according to claim 1, described intake air temperature sensor (35) is arranged in the intake manifold of closure rear end.
6. an engine throttle body method for heating and controlling, is characterized in that, comprises the following steps:
Engine ECU (34) detects engine on time A1, and intake air temperature sensor (35) detects throttle inflow mouth intake temperature B1, and environment temperature sensor (36) detects engine operating environments temperature C1;
Control module (31) obtains engine on time A1, throttle inflow mouth intake temperature B1, engine operating environments temperature C1;
Control module (31) judges whether engine on time A1 is greater than engine on time predefined value A, whether throttle inflow mouth intake temperature B1 is greater than throttle inflow mouth intake temperature predefined value B, whether engine operating environments temperature C1 is greater than engine operating environments temperature predefined value C, if A1>A, B1>B, C1>C, control module sends the instruction of closing heat tunnel, solenoid valve receives the instruction of control module, and the control valve that control is arranged in heat tunnel closes heat tunnel; Otherwise control module sends the instruction of opening heat tunnel, solenoid valve receives the instruction of control module, and the control valve that control is arranged in heat tunnel opens heat tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210574137.9A CN103061897B (en) | 2012-12-26 | 2012-12-26 | A kind of engine throttle body and method for heating and controlling thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210574137.9A CN103061897B (en) | 2012-12-26 | 2012-12-26 | A kind of engine throttle body and method for heating and controlling thereof |
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| CN103061897A CN103061897A (en) | 2013-04-24 |
| CN103061897B true CN103061897B (en) | 2016-03-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103277199A (en) * | 2013-05-21 | 2013-09-04 | 浙江吉利汽车研究院有限公司杭州分公司 | Control system and control method for heating type electronic throttle valve |
| DE102014222240A1 (en) * | 2014-10-30 | 2016-05-04 | Continental Automotive Gmbh | Valve device for a motor vehicle |
| CN109538384B (en) * | 2018-12-30 | 2020-04-24 | 宝鸡吉利发动机有限公司 | Air intake system and vehicle |
| CN111779583B (en) * | 2020-07-06 | 2022-07-05 | 长春理工大学 | Electronic throttle valve suitable for HEV light hybrid vehicle and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07119499A (en) * | 1993-10-28 | 1995-05-09 | Toyota Motor Corp | Hot water heating device for throttle body |
| EP0712999A1 (en) * | 1994-11-21 | 1996-05-22 | Toyota Jidosha Kabushiki Kaisha | Engine cooling apparatus |
| CN1472432A (en) * | 2002-07-30 | 2004-02-04 | 株式会社京浜 | System for control of intake flow of engine during start |
| CN101021184A (en) * | 2007-03-01 | 2007-08-22 | 上海华普发动机有限公司 | Air throttle body |
| CN202510227U (en) * | 2012-02-17 | 2012-10-31 | 上海通用汽车有限公司 | Intelligent control system of throttle body heating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10233408A1 (en) * | 2001-07-25 | 2003-05-08 | Denso Corp | Engine unit |
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- 2012-12-26 CN CN201210574137.9A patent/CN103061897B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07119499A (en) * | 1993-10-28 | 1995-05-09 | Toyota Motor Corp | Hot water heating device for throttle body |
| EP0712999A1 (en) * | 1994-11-21 | 1996-05-22 | Toyota Jidosha Kabushiki Kaisha | Engine cooling apparatus |
| CN1472432A (en) * | 2002-07-30 | 2004-02-04 | 株式会社京浜 | System for control of intake flow of engine during start |
| CN101021184A (en) * | 2007-03-01 | 2007-08-22 | 上海华普发动机有限公司 | Air throttle body |
| CN202510227U (en) * | 2012-02-17 | 2012-10-31 | 上海通用汽车有限公司 | Intelligent control system of throttle body heating device |
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Effective date of registration: 20231008 Address after: 401135 No. 19 Zhuoyue Road, Longxing Town, Liangjiang New Area, Yubei District, Chongqing (cluster registration) Patentee after: Chongqing Lanshan Automotive Electronics Co.,Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee before: Chongqing Changan Automobile Co.,Ltd. |