CN114687849A - Engine water pump and control method thereof - Google Patents
Engine water pump and control method thereof Download PDFInfo
- Publication number
- CN114687849A CN114687849A CN202210292654.0A CN202210292654A CN114687849A CN 114687849 A CN114687849 A CN 114687849A CN 202210292654 A CN202210292654 A CN 202210292654A CN 114687849 A CN114687849 A CN 114687849A
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- Prior art keywords
- pump
- temperature
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- water
- engine
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002567 autonomic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of engine cooling, and discloses an engine water pump, which comprises: the pump body, a motor, an impeller, a controller and a temperature acquisition pipe, wherein the pump body is provided with a pump cavity, a water inlet and a water outlet which are communicated with the pump cavity, the impeller is installed in the pump cavity and is connected with a rotor of the motor through a transmission shaft, the temperature acquisition pipe is used for acquiring water temperature in the pump cavity, the controller is fixed on the pump body, the temperature acquisition pipe is fixed on the controller, the controller is respectively electrically connected with the temperature acquisition pipe and the motor, and the rotating speed of the rotor of the motor is controlled according to water temperature data acquired by the temperature acquisition pipe. The invention also discloses a control method of the engine water pump. According to the invention, the temperature acquisition and control functions are integrated on the water pump body, so that the overall integration level of the water pump is improved, the transmission line of water temperature data and control signals is shorter, the feedback is more timely, the function of real-time adjustment of the water temperature of the engine is realized, and the engine is ensured not to be overheated under each operating condition.
Description
Technical Field
The invention relates to the technical field of engine cooling, in particular to an engine water pump and a control method thereof.
Background
At present, a cooling system is an important component of an engine, and a water pump is a mainstream development direction as cooling power of the engine. Generally, an electronic control unit of an engine collects water temperature through a water temperature sensor to perform integrated judgment, and then transmits an instruction to a water pump to control the rotating speed of a motor and the flow rate of cooling liquid, so as to adjust the water temperature of the engine.
Disclosure of Invention
The invention aims to provide an engine water pump and a control method thereof, and aims to solve the technical problems of transmission faults and reaction delay of water temperature data and control signals when the water temperature of an engine is adjusted by the engine water pump at the present stage.
In order to achieve the above object, the present invention provides a technical solution, including:
the pump body is provided with a pump cavity, a water inlet and a water outlet which are communicated with the pump cavity;
a motor;
the impeller is arranged in the pump cavity and is connected with the rotor of the motor through a transmission shaft; a temperature collection tube for collecting water temperature within the pump chamber; and
the controller is fixed on the pump body, the temperature acquisition pipe is fixed on the controller, the controller is respectively electrically connected with the temperature acquisition pipe and the motor, and the rotating speed of a rotor of the motor is controlled according to water temperature data acquired by the temperature acquisition pipe.
Preferably, the controller comprises a controller shell, one end of the controller shell is fixed on the pump body, and the other end of the controller shell is fixed on the motor.
Preferably, the temperature collection tube communicates with the pump cavity through the pump body.
Preferably, the temperature collecting pipe is fixedly connected with the pump body through threads.
Preferably, the temperature collecting tube is a thermistor.
Preferably, the surface of the motor is provided with a wiring harness plug connected with the engine.
In order to achieve the same object, the present invention also provides a control method of an engine water pump, comprising the steps of:
s1, acquiring the actual water temperature in the pump cavity;
s2, controlling the rotor speed of the motor according to the actual water temperature, and the method comprises the following steps:
when the actual water temperature exceeds the target water temperature, increasing the rotor rotating speed of the motor;
when the actual water temperature is equal to the target water temperature, keeping the rotor rotating speed of the motor unchanged;
and when the actual water temperature is lower than the target water temperature, reducing the rotor rotating speed of the motor.
Preferably, the target water temperature ranges from 90 ℃ to 120 ℃.
Compared with the prior art, the engine water pump provided by the embodiment of the invention has the beneficial effects that: the engine water pump of the embodiment of the invention is characterized in that the controller and the temperature acquisition pipe are fixed on the pump body, and the controller is respectively electrically connected with the temperature acquisition pipe and the motor, so that the integral integration level of the water pump is improved, the problems of transmission faults and reaction delay of water temperature data and control signals caused by long transmission lines are solved, the real-time regulation function of the water temperature of the engine is realized, and the engine is ensured not to be overheated under each operation condition.
Drawings
FIG. 1 is a schematic diagram of an engine water pump according to an embodiment of the present invention;
FIG. 2 is an exploded schematic view of an engine water pump according to an embodiment of the present invention;
fig. 3 is a control flowchart of an engine water pump according to an embodiment of the present invention.
In the figure, 1, a pump body; 11. a pump chamber; 12. a water inlet; 13. a water outlet; 2. a motor; 3. an impeller; 4. a controller; 5. a temperature collection tube; 6. a controller housing; 7. a wiring harness plug.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices and elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, an engine water pump according to a preferred embodiment of the present invention includes: the water temperature control device comprises a pump body 1, a motor 2, an impeller 3, a controller 4 and a temperature collecting pipe 5, wherein the pump body 1 is provided with a pump cavity 11, a water inlet 12 and a water outlet 13 which are communicated with the pump cavity 11, the impeller 3 is installed in the pump cavity 11 and is connected with a rotor of the motor 2 through a transmission shaft, the temperature collecting pipe 5 is used for collecting water temperature in the pump cavity 11, the controller 4 is fixed on the pump body 1, the temperature collecting pipe 5 is fixed on the controller 4, the controller 4 is respectively and electrically connected with the temperature collecting pipe 5 and the motor 2, the rotor rotating speed of the motor 2 is controlled according to water temperature data collected by the temperature collecting pipe 5, and particularly, when the actual water temperature exceeds the target water temperature, the rotor rotating speed of the motor 2 is increased; when the actual water temperature is equal to the target water temperature, keeping the rotor speed of the motor 2 unchanged; when the actual water temperature is lower than the target water temperature, the rotor speed of the motor 2 is reduced. Based on above-mentioned technical scheme, fixed controller 4 on the pump body, through controller 4 respectively with temperature acquisition pipe 5, motor 2 electricity is connected, improved engine water pump's whole integrated level, the transmission line of temperature data and control signal is shorter, the feedback is more timely.
The controller 4 of this embodiment is the autonomic modulator, gathers the target temperature information that the engine corresponds under different operating modes in real time, compares with actual temperature, output control instruction to in time adjust the rotor speed of motor 2. The autonomous controller can be a single chip microcomputer and the like.
The controller 4 is provided with a controller housing 6 in this embodiment, one end of the controller housing 6 is fixed on the pump body 1, and the other end of the controller housing 6 is fixed on the motor 2, so that the controller 4 can be fixed more firmly to ensure the stability of the operation. Preferably, the controller housing 6 may be integrally formed with the pump body 1 and/or the housing of the motor 2.
Furthermore, in the embodiment, the temperature collecting pipe 5 passes through the pump body 1 to be communicated with the pump cavity 11, so that the water temperature data in the pump cavity 11 can be collected in real time.
Correspondingly, the temperature acquisition pipe 5 is in threaded fastening connection with the pump body 1 in the embodiment, so that the overall sealing performance of the water pump is ensured.
In this embodiment, the temperature collecting tube 5 uses a thermistor as a sensing device, so as to improve the sensitivity of temperature measurement.
In order to obtain the running information of the engine under different working conditions, the surface of the motor 2 is provided with a wiring harness plug 7 connected with the whole engine vehicle network in the embodiment.
The embodiment of the invention provides a control method based on the engine water pump, which comprises the following steps:
s1, acquiring the actual water temperature in the pump cavity 11;
specifically, the water temperature in the pump cavity 11 is collected through a temperature collecting pipe 5 fixed on the controller 4, and the water temperature data is fed back to the controller 4 in real time;
s2, controlling the rotor speed of the motor 2 according to the actual water temperature, including: when the actual water temperature exceeds the target water temperature, the rotor speed of the motor 2 is increased; when the actual water temperature is equal to the target water temperature, keeping the rotor rotating speed of the motor unchanged; when the actual water temperature is lower than the target water temperature, the rotor speed of the motor 2 is reduced.
Specifically, after receiving the water temperature data collected by the temperature collecting pipe 5, the controller 4 compares the data with the target water temperature, and outputs a control instruction to control the rotor speed of the motor 2, so as to adjust the flow rate of cooling water, thereby improving the cooling effect of the engine.
More specifically, the target water temperature ranges from 90 ℃ to 120 ℃, and the engine is guaranteed not to be overheated during operation.
Based on this technical scheme, the rotor rotational speed of motor 2 is higher, and cooling water flow is big more, and the cooling effect is just better, and when the engine temperature was higher, through the rotor rotational speed that improves motor 2, increase cooling water flow for the heat transfer of engine, and then make the engine obtain quick cooling. The controller 4 of the engine water pump can execute corresponding control strategies according to the operating conditions of the engine at different stages, can effectively reduce the early development cost of the engine, and shortens the development period.
The working process of the invention is as follows: when the water pump of the engine works, cooling water is subjected to internal circulation in pipelines of the water pump and the engine, the temperature of the cooling water entering from the water inlet 12 is collected by the temperature collecting pipe 5 and transmitted to the controller 4, the controller 4 integrates and judges the water temperature data and the target water temperature, then a corresponding control instruction is output, the rotating speed of a rotor of the motor 2 is controlled, the flow of the cooling water is regulated, and therefore the heat exchange cooling effect inside the engine is improved.
In summary, the embodiment of the invention provides an engine water pump and a control method, which improve the overall integration level of the engine water pump, have shorter signal transmission lines and more timely feedback, realize the real-time regulation function of the water temperature of the engine, and ensure that the engine cannot be overheated under various operating conditions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. An engine water pump, comprising:
the pump comprises a pump body (1) and a pump body, wherein the pump body is provided with a pump cavity (11), and a water inlet (12) and a water outlet (13) which are communicated with the pump cavity (11);
a motor (2);
the impeller (3) is arranged in the pump cavity (11) and is connected with the rotor of the motor (2) through a transmission shaft;
a temperature pick-up tube (5) for picking up the temperature of the water in the pump chamber (11); and
the controller (4) is fixed on the pump body (1), the temperature acquisition pipe (5) is fixed on the controller (4), the controller (4) is respectively electrically connected with the temperature acquisition pipe (5) and the motor (2), and the rotating speed of a rotor of the motor (2) is controlled according to water temperature data acquired by the temperature acquisition pipe (5).
2. The engine water pump of claim 1, wherein: the controller (4) comprises a controller shell (6), one end of the controller shell (6) is fixed on the pump body (1), and the other end of the controller shell is fixed on the motor (2).
3. The engine water pump of claim 1, wherein: the temperature collecting pipe (5) penetrates through the pump body (1) to be communicated with the pump cavity (11).
4. The engine water pump of claim 3, wherein: the temperature collecting pipe (5) is fixedly connected with the pump body (1) through threads.
5. The engine water pump of claim 4, wherein: the temperature collecting pipe (5) is a thermistor.
6. The engine water pump according to any one of claims 1 to 5, characterized in that: and a wiring harness plug (7) connected with the engine is arranged on the surface of the motor (2).
7. A control method of an engine water pump according to any one of claims 1 to 6, characterized by comprising the steps of:
s1, acquiring the actual water temperature in the pump cavity (11);
s2, controlling the rotor speed of the motor (2) according to the actual water temperature, and the method comprises the following steps:
when the actual water temperature exceeds the target water temperature, increasing the rotor rotation speed of the motor (2);
when the actual water temperature is equal to the target water temperature, keeping the rotor rotating speed of the motor (2) unchanged;
and when the actual water temperature is lower than the target water temperature, reducing the rotor rotation speed of the motor (2).
8. The control method according to claim 7, wherein the target water temperature is in a range of 90 to 120 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210292654.0A CN114687849A (en) | 2022-03-24 | 2022-03-24 | Engine water pump and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210292654.0A CN114687849A (en) | 2022-03-24 | 2022-03-24 | Engine water pump and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114687849A true CN114687849A (en) | 2022-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210292654.0A Pending CN114687849A (en) | 2022-03-24 | 2022-03-24 | Engine water pump and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114687849A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221142A (en) * | 2023-01-18 | 2023-06-06 | 新界泵业(浙江)有限公司 | Simulation method, control system and water pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205277581U (en) * | 2016-01-18 | 2016-06-01 | 武汉科技大学 | Windy cooling system in engine radiator |
| CN105952684A (en) * | 2016-06-17 | 2016-09-21 | 四川五洲仁信科技有限公司 | New energy automobile electronic water pump and control system and method |
| CN205841242U (en) * | 2016-07-09 | 2016-12-28 | 浙江西菱股份有限公司 | A kind of control system of water pump |
| CN106640679A (en) * | 2016-11-21 | 2017-05-10 | 广州汽车集团股份有限公司 | Engine electric water pump and vehicle with same |
| CN206320048U (en) * | 2016-12-23 | 2017-07-11 | 克奥兹泵业（深圳）有限公司 | Intelligent control type water pump |
| CN209414198U (en) * | 2018-12-31 | 2019-09-20 | 无锡中安工程设备制造有限公司 | A kind of water pump assembly monitoring system |
-
2022
- 2022-03-24 CN CN202210292654.0A patent/CN114687849A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205277581U (en) * | 2016-01-18 | 2016-06-01 | 武汉科技大学 | Windy cooling system in engine radiator |
| CN105952684A (en) * | 2016-06-17 | 2016-09-21 | 四川五洲仁信科技有限公司 | New energy automobile electronic water pump and control system and method |
| CN205841242U (en) * | 2016-07-09 | 2016-12-28 | 浙江西菱股份有限公司 | A kind of control system of water pump |
| CN106640679A (en) * | 2016-11-21 | 2017-05-10 | 广州汽车集团股份有限公司 | Engine electric water pump and vehicle with same |
| CN206320048U (en) * | 2016-12-23 | 2017-07-11 | 克奥兹泵业（深圳）有限公司 | Intelligent control type water pump |
| CN209414198U (en) * | 2018-12-31 | 2019-09-20 | 无锡中安工程设备制造有限公司 | A kind of water pump assembly monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221142A (en) * | 2023-01-18 | 2023-06-06 | 新界泵业(浙江)有限公司 | Simulation method, control system and water pump |
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Application publication date: 20220701 |