CN112901467A - Control circuit, vehicle and control method of vehicle-mounted water pump - Google Patents
Control circuit, vehicle and control method of vehicle-mounted water pump Download PDFInfo
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- CN112901467A CN112901467A CN202110110786.2A CN202110110786A CN112901467A CN 112901467 A CN112901467 A CN 112901467A CN 202110110786 A CN202110110786 A CN 202110110786A CN 112901467 A CN112901467 A CN 112901467A
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- vehicle
- water pump
- mounted water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The application discloses control circuit, vehicle and control method of on-vehicle water pump, wherein, control circuit includes: the signal collector is used for collecting the actual temperature of at least one vehicle element of the vehicle; the signal generator is used for generating a cooling request when the actual temperature of any vehicle component is higher than a preset threshold value; and the controller is used for generating a corresponding driving signal according to the working current and/or the working voltage of the current vehicle-mounted water pump after receiving the cooling request, and controlling the current vehicle-mounted water pump to cool any vehicle element according to the driving signal until the actual temperature is lower than or equal to the preset threshold value. From this, solved present vehicle can't drive the on-vehicle water pump of different models, suitability subalternation problem.
Description
Technical Field
The application relates to the technical field of automatic driving, in particular to a control circuit, a vehicle and a control method of a vehicle-mounted water pump.
Background
Because the automatic driving technology mainly depends on the multi-sensor fusion technology, the automatic driving vehicle usually requires a vehicle-mounted platform to have higher computing capability, and in order to ensure the stable operation of the vehicle-mounted platform, the heat dissipation of the vehicle-mounted platform is particularly important.
At present, vehicle-mounted platform carries out cooling through on-vehicle water pump usually, specifically: the temperature of key hardware parts of the whole vehicle is collected, and when the temperature is higher, a PWM (Pulse Width Modulation) signal is adopted to drive a vehicle-mounted water pump to cool.
However, the requirement of the water pump of different models is different to the PWM signal, and in case the water pump of different models is changed to the vehicle, then the water pump directly leads to the unable normal drive of water pump with the PWM signal mismatch, and the suitability is relatively poor, awaits the solution urgently.
Content of application
The application provides a control circuit, a vehicle and a control method of a vehicle-mounted water pump, and aims to solve the problems that the vehicle cannot drive different models of vehicle-mounted water pumps at present, the applicability is poor and the like.
An embodiment of a first aspect of the present application provides a control circuit of a vehicle-mounted water pump, including: the signal collector is used for collecting the actual temperature of at least one vehicle element of the vehicle; the signal generator is used for generating a cooling request when the actual temperature of any vehicle component is higher than a preset threshold value; and the controller is used for generating a corresponding driving signal according to the working current and/or the working voltage of the current vehicle-mounted water pump after receiving the cooling request, and controlling the current vehicle-mounted water pump to cool any whole vehicle element according to the driving signal until the actual temperature is lower than or equal to the preset threshold value.
Further, the controller includes: one end of the first adjustable resistor is connected with the signal generator, one end of the second adjustable resistor is connected with the vehicle-mounted water pump, and the other end of the second adjustable resistor is grounded; and the collector electrode of the triode is connected with a vehicle-mounted power supply of the vehicle, the base electrode of the triode is connected with the other end of the first adjustable resistor, and the emitting electrode of the triode is respectively connected with one end of the second adjustable resistor and the vehicle-mounted water pump.
Further, the resistance values of the first adjustable resistor and the second adjustable resistor correspond to the driving signal.
Alternatively, the drive signal may be a Pulse Width Modulation (PWM) signal.
Optionally, the signal collector may be a temperature sensor, and the signal generator may be a vehicle control unit of the vehicle.
An embodiment of a second aspect of the application provides a vehicle, which comprises a control circuit of the vehicle-mounted water pump.
An embodiment of a third aspect of the present application provides a control method for a vehicle-mounted water pump, which is applied to a control circuit of the vehicle-mounted water pump in the foregoing embodiment, and includes the following steps: collecting an actual temperature of at least one entire vehicle element of the vehicle; generating a cooling request when the actual temperature of any vehicle component is higher than a preset threshold; and after the cooling request is received, generating a corresponding driving signal according to the working current and/or the working voltage of the current vehicle-mounted water pump, and controlling the current vehicle-mounted water pump to cool any whole vehicle element according to the driving signal until the actual temperature is lower than or equal to the preset threshold value.
Optionally, the driving signal is a Pulse Width Modulation (PWM) signal.
The corresponding driving signal is generated according to the working current and/or the working voltage of the current vehicle-mounted water pump, the current vehicle-mounted water pump is driven to work according to the driving signal, the vehicle-mounted water pumps of different models can be driven through the driving signal of the dynamically adjusted vehicle-mounted water pump, the applicability of vehicle-mounted water pump control can be effectively improved, the type selection range of the vehicle-mounted water pump is improved, and the convenience of vehicle-mounted water pump replacement can be improved. From this, solved present vehicle can't drive the on-vehicle water pump of different models, suitability subalternation problem.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block schematic diagram of a control circuit of a vehicle water pump provided in accordance with an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a control circuit of a vehicle-mounted water pump provided according to an embodiment of the present application;
fig. 3 is a flowchart of a control method of an on-vehicle water pump according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
The following describes a control circuit, a vehicle, and a control method of an in-vehicle water pump according to embodiments of the present application with reference to the drawings. The utility model provides a can't drive the on-vehicle water pump of different models to the present vehicle that above-mentioned background art center mentioned, the relatively poor problem of suitability, the application provides a control circuit of on-vehicle water pump, in this control circuit, according to the operating current and/or the operating voltage generation of current on-vehicle water pump corresponding drive signal, and according to the work of drive signal drive current on-vehicle water pump, with the drive signal through dynamic adjustment on-vehicle water pump, can drive the on-vehicle water pump of different models, thereby can effectively improve the suitability of on-vehicle water pump control, improve the lectotype scope of on-vehicle water pump, and then can improve the convenience that the on-vehicle water pump was changed. From this, solved present vehicle can't drive the on-vehicle water pump of different models, suitability subalternation problem.
Specifically, fig. 1 is a block schematic diagram of a control circuit of an on-vehicle water pump according to an embodiment of the present application.
As shown in fig. 1, the control circuit 10 of the vehicle-mounted water pump includes: a signal collector 100, a signal generator 200, and a controller 300.
The signal collector 100 is used for collecting the actual temperature of at least one vehicle component of the vehicle; the signal generator 200 is configured to generate a cooling request when an actual temperature of any vehicle component is higher than a preset threshold; the controller 300 is configured to generate a corresponding driving signal according to the current working current and/or working voltage of the vehicle-mounted water pump after receiving the cooling request, and control the current vehicle-mounted water pump to cool any vehicle component according to the driving signal until the actual temperature is lower than or equal to the preset threshold.
It can be understood that the embodiment of the application can adjust the driving signal matched with the current vehicle-mounted water pump according to the current vehicle-mounted water pump to drive the vehicle-mounted water pumps of different models, so that the model selection range of the vehicle-mounted water pump is expanded on the premise of not changing hardware of the vehicle controller, and the flexibility of the design of the control strategy of the whole vehicle is improved.
The preset threshold may be set according to an actual situation, and is not specifically limited herein. The drive signal may be a pulse width modulated PWM signal.
In this embodiment, the signal collector 100 may be a temperature sensor, and the signal generator 200 may be a vehicle controller of a vehicle. The model of the VCU of the vehicle control unit may be selected according to actual conditions, for example, the MPC5644A chip in enging, and the like, which is not limited specifically.
In the present embodiment, as shown in fig. 2, the controller 300 includes: the circuit comprises a first adjustable resistor R1, a second adjustable resistor R2 and a triode.
One end of the first adjustable resistor R1 is connected with the signal generator 100, one end of the second adjustable resistor R2 is connected with the vehicle-mounted water pump, and the other end of the second adjustable resistor R2 is grounded; the collector of the triode is connected with a vehicle-mounted power supply of a vehicle, the base of the triode is connected with the other end of the first adjustable resistor R1, and the emitter of the triode is connected with one end of the second adjustable resistor R2 and the vehicle-mounted water pump respectively.
It can be understood that devices such as a triode, an adjustable resistor and the like are integrated, the adjustable piezoelectric capacity of the vehicle-mounted water pump is realized, and a PWM signal is output; through the adjustable circuit, the output piezoelectric range is flexibly adjusted to output a piezoelectric value meeting the requirement to drive the vehicle-mounted water pump to operate.
The control principle of the control circuit of the vehicle-mounted water pump will be further explained with reference to fig. 2, which specifically includes the following steps:
(1) the whole vehicle controller starts to operate, and temperature signals of key parts of the whole vehicle are monitored in real time;
(2) the vehicle control unit sends out a PWM signal to request to drive the vehicle-mounted water pump;
(3) acquiring a voltage and current rated range corresponding to a PWM signal of the vehicle-mounted water pump according to the model of the vehicle-mounted water pump;
(4) the first adjustable resistor R1 and the second adjustable resistor R2 are adjusted, so that the PWM signal output by the emitter of the triode can meet the voltage requirement and the current requirement of the vehicle-mounted water pump.
To sum up, hardware such as triode, adjustable resistance and vehicle control unit are mainly integrated in the embodiment of the application, when the vehicle control unit outputs rated voltage, vehicle-mounted water pump systems of different models can be driven, the vehicle-mounted water pump system has the advantages of being simple, efficient, suitable for managing vehicle-mounted water pumps in the automatic driving field and the like, and normal operation of the vehicle-mounted water pump can be guaranteed.
According to the control circuit of the vehicle-mounted water pump provided by the embodiment of the application, the corresponding driving signal is generated according to the working current and/or the working voltage of the current vehicle-mounted water pump, the current vehicle-mounted water pump is driven to work according to the driving signal, the vehicle-mounted water pumps of different models can be driven through the driving signal of the dynamically adjusted vehicle-mounted water pump, the applicability of vehicle-mounted water pump control can be effectively improved, the model selection range of the vehicle-mounted water pump is improved, and the convenience of vehicle-mounted water pump replacement can be improved.
The embodiment also provides a vehicle which comprises the control circuit of the vehicle-mounted water pump of the embodiment. According to the vehicle that this application embodiment provided, according to the operating current and/or the operating voltage generation of present on-vehicle water pump corresponding drive signal to according to the current on-vehicle water pump work of drive signal drive, with the drive signal through the on-vehicle water pump of dynamic adjustment, can drive the on-vehicle water pump of different models, thereby can effectively improve the suitability of on-vehicle water pump control, improve the lectotype scope of on-vehicle water pump, and then can improve the convenience that the on-vehicle water pump was changed.
Next, a control method of the proposed in-vehicle water pump according to the embodiment of the present application is described with reference to the accompanying drawings.
Fig. 3 is a flowchart of a control method of an in-vehicle water pump according to an embodiment of the present application.
As shown in fig. 3, the control method of the vehicle-mounted water pump is applied to the control circuit of the vehicle-mounted water pump of the above embodiment, and the method includes the following steps: .
Step S101, collecting the actual temperature of at least one vehicle element of a vehicle;
step S102, when the actual temperature of any vehicle component is higher than a preset threshold value, a cooling request is generated;
and step S103, after receiving the cooling request, generating a corresponding driving signal according to the working current and/or the working voltage of the current vehicle-mounted water pump, and controlling the current vehicle-mounted water pump to cool any vehicle element according to the driving signal until the actual temperature is lower than or equal to a preset threshold value.
Optionally, the drive signal is a pulse width modulated PWM signal.
It should be noted that the foregoing explanation of the circuit embodiment of the vehicle-mounted water pump is also applicable to the control method of the vehicle-mounted water pump of this embodiment, and is not repeated here.
According to the control method of the vehicle-mounted water pump, the corresponding driving signals are generated according to the working current and/or the working voltage of the current vehicle-mounted water pump, the current vehicle-mounted water pump is driven to work according to the driving signals, the vehicle-mounted water pumps of different models can be driven by dynamically adjusting the driving signals of the vehicle-mounted water pump, the control applicability of the vehicle-mounted water pump can be effectively improved, the model selection range of the vehicle-mounted water pump is improved, and the replacement convenience of the vehicle-mounted water pump can be further improved.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "N" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (8)
1. A control circuit for an on-board water pump, comprising:
the signal collector is used for collecting the actual temperature of at least one vehicle element of the vehicle;
the signal generator is used for generating a cooling request when the actual temperature of any vehicle component is higher than a preset threshold value; and
and the controller is used for generating a corresponding driving signal according to the working current and/or the working voltage of the current vehicle-mounted water pump after receiving the cooling request, and controlling the current vehicle-mounted water pump to cool any whole vehicle element according to the driving signal until the actual temperature is lower than or equal to the preset threshold value.
2. The circuit of claim 1, wherein the controller comprises:
one end of the first adjustable resistor is connected with the signal generator, one end of the second adjustable resistor is connected with the vehicle-mounted water pump, and the other end of the second adjustable resistor is grounded;
and the collector electrode of the triode is connected with a vehicle-mounted power supply of the vehicle, the base electrode of the triode is connected with the other end of the first adjustable resistor, and the emitting electrode of the triode is respectively connected with one end of the second adjustable resistor and the vehicle-mounted water pump.
3. The circuit of claim 2, wherein the first adjustable resistor and the second adjustable resistor each have a resistance value corresponding to the driving signal.
4. The circuit of claim 1, wherein the drive signal is a Pulse Width Modulation (PWM) signal.
5. The circuit of claim 1, wherein the signal collector is a temperature sensor and the signal generator is a vehicle control unit of the vehicle.
6. A vehicle comprising a control circuit of the on-board water pump of any one of claims 1-5.
7. A control method of an on-vehicle water pump, which is applied to a control circuit of the on-vehicle water pump according to any one of claims 1 to 5, comprising the steps of:
collecting an actual temperature of at least one entire vehicle element of the vehicle;
generating a cooling request when the actual temperature of any vehicle component is higher than a preset threshold; and
and after the cooling request is received, generating a corresponding driving signal according to the working current and/or the working voltage of the current vehicle-mounted water pump, and controlling the current vehicle-mounted water pump to cool any whole vehicle element according to the driving signal until the actual temperature is lower than or equal to the preset threshold value.
8. The method of claim 7, wherein the driving signal is a Pulse Width Modulation (PWM) signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110110786.2A CN112901467A (en) | 2021-01-27 | 2021-01-27 | Control circuit, vehicle and control method of vehicle-mounted water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110110786.2A CN112901467A (en) | 2021-01-27 | 2021-01-27 | Control circuit, vehicle and control method of vehicle-mounted water pump |
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| CN112901467A true CN112901467A (en) | 2021-06-04 |
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| CN202110110786.2A Pending CN112901467A (en) | 2021-01-27 | 2021-01-27 | Control circuit, vehicle and control method of vehicle-mounted water pump |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575307Y (en) * | 2002-09-30 | 2003-09-24 | 南京钢铁集团有限公司 | Cylinder liner |
| CN103419621A (en) * | 2012-05-18 | 2013-12-04 | Ls产电株式会社 | Cooling system for electric vehicle and control method thereof |
| CN106100470A (en) * | 2016-06-22 | 2016-11-09 | 广东美的暖通设备有限公司 | The identification Apparatus and system of a kind of compatible many moneys direct current generator, method |
| CN109660157A (en) * | 2018-11-30 | 2019-04-19 | 佛山市中格威电子有限公司 | A kind of direct current motor drive circuit |
-
2021
- 2021-01-27 CN CN202110110786.2A patent/CN112901467A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575307Y (en) * | 2002-09-30 | 2003-09-24 | 南京钢铁集团有限公司 | Cylinder liner |
| CN103419621A (en) * | 2012-05-18 | 2013-12-04 | Ls产电株式会社 | Cooling system for electric vehicle and control method thereof |
| CN106100470A (en) * | 2016-06-22 | 2016-11-09 | 广东美的暖通设备有限公司 | The identification Apparatus and system of a kind of compatible many moneys direct current generator, method |
| CN109660157A (en) * | 2018-11-30 | 2019-04-19 | 佛山市中格威电子有限公司 | A kind of direct current motor drive circuit |
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Application publication date: 20210604 |
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