CN220185243U - Engine waste heat utilization system based on extended range heavy truck - Google Patents
Engine waste heat utilization system based on extended range heavy truck Download PDFInfo
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- CN220185243U CN220185243U CN202321607156.7U CN202321607156U CN220185243U CN 220185243 U CN220185243 U CN 220185243U CN 202321607156 U CN202321607156 U CN 202321607156U CN 220185243 U CN220185243 U CN 220185243U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000005485 electric heating Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model provides an engine waste heat utilization system based on a range-increasing heavy truck, which comprises an engine and a warm air system, wherein the warm air system comprises a warm air core, a water inlet of the warm air core is connected with a water outlet of a water heating heater, a water outlet of the warm air core is connected with a first opening of a first three-way valve, a water inlet of the water heating heater is connected with a water outlet of an electronic water pump, a water inlet of the electronic water pump is connected with a first opening of a second three-way valve, a second opening of the first three-way valve is connected with a second opening of the second three-way valve, a third opening of the first three-way valve is connected with a cooling water inlet of the engine, a cooling water outlet of the engine is provided with a cooling water temperature detection device, a whole vehicle controller controls the action of the three-way valve according to detection temperature, and a power battery provides electric energy for the water heating heater so as to heat circulating water. The defects of high energy consumption, poor heating effect and waste of engine waste heat of a range-extended vehicle type winter warm air in the prior art can be overcome.
Description
Technical Field
The utility model relates to the technical field of waste heat recovery and thermal management of extended-range heavy trucks, in particular to an engine waste heat utilization system based on an extended-range heavy truck.
Background
Along with the continuous popularization of new energy technology in the heavy truck field, the hybrid heavy truck gradually obtains market acceptance, the energy-saving effect of the hybrid technology is an important index of winning the market for products, various waste heat utilization schemes are provided by various manufacturers to reduce the energy consumption in winter, wherein the waste heat recovery of a motor electric control system is long in pipeline, complicated in arrangement and poor in heating effect, and the temperature of cooling water is less than or equal to 80 ℃; the automobile exhaust waste heat recovery scheme has the advantages of high difficulty in pipeline arrangement, low space utilization rate, unstable heating temperature and poor heating comfort in practical application; most of engine waste heat recovery schemes only consider waste heat recovery single functions, and the comfort, reliability and economy of warm air in a waste heat utilization mode cannot be considered.
Disclosure of Invention
Therefore, the utility model provides an engine waste heat utilization system based on a range-extending heavy truck, which achieves the purposes of engine waste heat utilization and energy consumption reduction and gives consideration to the comfort, reliability and economy of warm air according to the running mode of a vehicle.
In order to achieve the above effects, the utility model provides an engine waste heat utilization system based on a range-increasing heavy truck, which comprises an engine and a warm air system, wherein the warm air system comprises a warm air core, a water inlet of the warm air core is connected with a water outlet of a water heating heater, the water outlet of the warm air core is connected with a first opening of a first three-way valve, a water inlet of the water heating heater is connected with a water outlet of an electronic water pump, the water inlet of the electronic water pump is connected with a first opening of a second three-way valve, a second opening of the first three-way valve is connected with a second opening of the second three-way valve, a third opening of the first three-way valve is connected with a cooling water inlet of the engine, a cooling water temperature detection device is arranged on a pipeline between the third opening of the second three-way valve and the cooling water outlet of the engine, a whole-vehicle controller controls the first three-way valve and the second three-way valve to act according to the detection temperature of the cooling water temperature detection device, and the water heater can flow through the heating valve through the heating power heater by the power.
In some embodiments, the first three-way valve and the second three-way valve are both three-way solenoid valves.
In some embodiments, the warm air system further comprises a cabin exterior temperature detection device and a cabin interior temperature detection device. The outdoor temperature detection device of the cab detects that the outdoor temperature is T S2 When T S2 Setting value T of whole vehicle controller max And when the warm air system does not respond, otherwise, the warm air system is started. The indoor temperature detection device of the cab detects that the indoor temperature is T S3 When T S3 Setting value T of controller of whole vehicle S30 And closing the warm air system.
In some embodiments, the cooling water temperature detection device, the cabin exterior temperature detection device, and the cabin interior temperature detection device are all temperature sensors.
According to the engine waste heat utilization system based on the extended range heavy truck, provided by the utility model, through the two heating circulation loops, namely the water heating heater circulation loop and the engine cooling water heating circulation loop, which are arranged in parallel, the two heating circulation loops can simultaneously work in series or respectively and independently work, so that the arrangement of water paths in a vehicle is effectively reduced, the space utilization rate is improved, and the two circulation loops which are connected in parallel are controlled to be opened and closed through the three-way valve, so that the heating of the engine cooling water and the electric heating water heating heater is realized, the heat of the engine cooling water can be effectively utilized, the energy consumption of a battery is reduced, and the energy utilization rate is improved.
Drawings
FIG. 1 is a schematic diagram of a hybrid heating mode of an engine waste heat utilization system based on extended range heavy truck according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an electric heating operation mode of an engine waste heat utilization system based on an extended range heavy truck according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a water heating operation mode of an engine waste heat utilization system based on a range-extending heavy truck according to an embodiment of the utility model;
FIG. 4 is a flow chart of a warm air operation of an engine waste heat utilization system based on a range-extending heavy truck according to an embodiment of the utility model.
The reference numerals are expressed as:
1. a vehicle controller; 2. an engine controller; 3. an engine water temperature sensor; 4. an engine; 5. a first three-way valve; 6. a warm air water pipe; 7. a warm air core; 8. an electric heater; 9. a second three-way valve; 10. a high voltage harness; 11. an integrated controller; 12. a power battery; 13. a warm air switch; 14. an outdoor temperature sensor; 15. an indoor temperature sensor; 16. a communication harness; 17. an electronic water pump.
Detailed Description
Referring to fig. 1 to 4, according to an embodiment of the present utility model, an engine waste heat utilization system based on a range-increasing heavy truck is provided, which includes an engine 4 and a warm air system, the warm air system includes a warm air core 7, a water inlet of the warm air core 7 is connected to a water outlet of a water heater 8, a water outlet of the warm air core 7 is connected to a first opening of a first three-way valve 5, a water inlet of the water heater 8 is connected to a water outlet of an electronic water pump 17, a water inlet of the electronic water pump 17 is connected to a first opening of a second three-way valve 9, a second opening of the first three-way valve 5 is connected to a second opening of the second three-way valve 9, a third opening of the first three-way valve 5 is connected to a cooling water inlet of the engine 4, a cooling water temperature detection device is disposed on a pipeline between the third opening of the second three-way valve 9 and the cooling water outlet of the engine, and the whole vehicle controller 1 can provide electric energy for heating by the third three-way valve 8 according to a vehicle operation temperature detection mode and the detected by the temperature detection device of the vehicle controller and the water heater 8.
In a specific embodiment, the first three-way valve 5 and the second three-way valve 9 are three-way solenoid valves.
In a specific embodiment, the warm air system further comprises a cab outdoor temperature detection device and a cab indoor temperature detection device;
the outdoor temperature detection device of the cab detects that the outdoor temperature is T S2 When T S2 Set value T of whole vehicle controller 1 max And when the warm air system does not respond, otherwise, the warm air system is started. The warm air system does not respond to the energy consumption of the unnecessary warm air can be effectively avoided.
The indoor temperature detection device of the cab detects that the indoor temperature is T S3 When T S3 Set value T of the vehicle controller 1 is not less than S30 And closing the warm air system. The problem that the reliability of a warm air system is affected due to the fact that part faults are caused by unnecessary warm air energy consumption and continuous heating is avoided.
In a specific embodiment, the cooling water temperature detecting device 3, the cabin exterior temperature detecting device and the cabin interior temperature detecting device are all temperature sensors.
Taking a certain extended-range hybrid heavy truck as an example, the control logic of the engine waste heat utilization system is as follows:
the working flow of the waste heat utilization system is shown in fig. 4, whether warm air needs to be started or not is determined by judging the outdoor temperature of a cab, and the working mode of the waste heat utilization system is determined by judging the working mode of a vehicle, the output current of a power battery and the water temperature of an engine, and is divided into an electric heating mode, a hybrid heating mode and a water heating mode.
Step one: when the driver turns on the warm air switch 13, the whole vehicle controller 1 determines whether to turn on warm air according to readings of the indoor temperature sensor 15 and the outdoor temperature sensor 14.
When the outdoor temperature sensor 14 reads T S2 Set value T of whole vehicle controller 1 max At this time, the warm air system does not respond.
When the outdoor temperature sensor 14 reads T S2 Set value T of whole vehicle controller 1 is less than or equal to max And when the warm air is started, entering a warm air starting process.
Step two: the whole vehicle controller 1 judges the current vehicle working mode.
When the output torque N of the engine 4 1 Set value N of whole vehicle controller 1 is less than or equal to 0 When the vehicle is in the electric-only mode, the current vehicle working mode is the electric-only mode.
When the output torque N of the engine 4 1 Set value N of whole vehicle controller 1 0 And the power battery 12 outputs a current I A Set value I of vehicle controller 1 is not less than 0 When the current vehicle operation mode is the hybrid mode.
When the output torque N of the engine 4 1 Set value N of whole vehicle controller 1 0 And the power battery 12 outputs a current I A Setting value I of vehicle controller 1 0 When the current vehicle operation mode is the engine driving mode.
Working condition 1: when the vehicle is in a pure electric mode, the warm air system adopts an electric heating mode, and specifically as shown in fig. 2, the whole vehicle controller 1 starts an electric heater 8, a warm air core 7 and an electronic water pump 17, a power battery 12 outputs high-voltage power through an integrated controller 11, and a first opening and a second opening of a first three-way valve 5 and a second three-way valve 9 are both opened, so that an electric heating and heating circulation loop is formed; when the indoor temperature sensor 15 reads T S3 Set value T of the vehicle controller 1 is not less than S30 The warm air system stops working, and the electronic water pump 17, the warm air core 7 and the electric heater 8 are all closed.
Working condition 2: when the vehicle is in hybrid mode and the reading T of the engine water temperature sensor 3 S1 Setting value T of controller of whole vehicle S10 The warm air system adopts a water heating mode, specifically as shown in fig. 3, the whole vehicle controller 1 opens the first port and the third port of the electromagnetic first three-way valve 5 and the second three-way valve 9, the warm air core 7 is opened, at this time, a water heating circulation loop is formed, and a circulating water pump is integrated in the engine; when the indoor temperature sensor 15 reads T S3 Setting value T of controller of whole vehicle S30 The warm air system stops working, the whole vehicle controller 1 closes the warm air core 7, and the second port and the third port of the first electromagnetic three-way valve 5 and the second electromagnetic three-way valve 9 are opened.
Working condition 3: when the vehicle is in hybrid mode, the reading T of the engine water temperature sensor 3 S1 Setting value T of vehicle controller S10 When the engine is started and the vehicle enters a hybrid power mode, the warm air system adopts a hybrid heating mode to ensure warm air comfort, and particularly as shown in fig. 1, the whole vehicle controller 1 starts an electric heater 8 and a warm air core 7, and a first opening and a third opening of an electromagnetic first three-way valve 5 and a second three-way valve 9 are a water heating and electric heating series heating circulation loop; as the vehicle runs, when the reading T of the engine water temperature sensor 3 is detected S1 Setting value T of controller of whole vehicle S10 And when the water heating mode is switched to the water heating mode immediately, so that the energy consumption is saved. When the indoor temperature sensor 15 reads T S3 Setting value T of controller of whole vehicle S30 The warm air system stops working, the whole vehicle controller 1 closes the electric heater 8 and the warm air core 7, and the second port and the third port of the first electromagnetic three-way valve 5 and the second electromagnetic three-way valve 9 are opened.
Working condition 4: when the vehicle is in an engine driving mode, the warm air system adopts a water heating mode, and particularly as shown in fig. 3, the whole vehicle controller 1 opens a first port and a third port of the first three-way valve 5 and the second three-way valve 9, and the warm air core 7 is opened, so that the water heating circulation loop is formed; when the indoor temperature sensor 15 reads T S3 Setting value T of controller of whole vehicle S30 The warm air system stops working, the whole vehicle controller 1 closes the warm air core 7, and the second ports of the first electromagnetic three-way valve 5 and the second electromagnetic three-way valve 9And the third port are all open.
In the mode operation of the working conditions 1-4, the whole vehicle controller 1 circularly monitors the reading T of the indoor temperature sensor 15 at certain time intervals S3 When T S3 ＜T S30 When the vehicle controller 1 re-reads the current vehicle working mode, selects the corresponding warm air mode according to the vehicle working mode, and circularly monitors until T S3 ≥T S30 Or the warm air switch is closed, and the warm air system stops working.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (4)
1. The utility model provides an engine waste heat utilization system based on increase form heavily blocks, its characterized in that includes engine (4) and warm braw system, warm braw system includes warm braw core (7), the delivery port of hot-water heating heater (8) is connected to the water inlet of warm braw core (7), the first opening of first three-way valve (5) is connected to the delivery port of hot-water heating heater (8), the delivery port of electronic water pump (17) is connected to the water inlet of electronic water pump (17), the first opening of second three-way valve (9) is connected to the water inlet of water heating heater (8), the second opening of second three-way valve (9) is connected to the second opening of first three-way valve (5), the third opening of second three-way valve (9) is connected the cooling water export of engine (4), the third opening of second three-way valve (9) with the delivery port of engine cooling water export is provided with the temperature detector (12) on the pipeline, and can flow through by the water heater (8) temperature detector, the water heater (8) can be controlled according to the power cycle, and the water heater (8).
2. The extended range heavy truck-based engine waste heat utilization system according to claim 1, wherein the first three-way valve (5) and the second three-way valve (9) are three-way electromagnetic valves.
3. The extended range heavy truck-based engine waste heat utilization system according to claim 1, wherein the warm air system further comprises a cab outside temperature detection device and a cab inside temperature detection device;
the outdoor temperature detection device of the cab detects that the outdoor temperature is T S2 When T S2 Setting value T of whole vehicle controller (1) max When the warm air system does not respond, otherwise, the warm air system is started;
the indoor temperature detection device of the cab detects that the indoor temperature is T S3 When T S3 Setting value T of the whole vehicle controller (1) is not less than S30 And closing the warm air system.
4. The extended range heavy truck-based engine waste heat utilization system according to claim 3, wherein the cooling water temperature detection device (3), the cabin exterior temperature detection device and the cabin interior temperature detection device are all temperature sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321607156.7U CN220185243U (en) | 2023-06-25 | 2023-06-25 | Engine waste heat utilization system based on extended range heavy truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321607156.7U CN220185243U (en) | 2023-06-25 | 2023-06-25 | Engine waste heat utilization system based on extended range heavy truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185243U true CN220185243U (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321607156.7U Active CN220185243U (en) | 2023-06-25 | 2023-06-25 | Engine waste heat utilization system based on extended range heavy truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185243U (en) |
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2023
- 2023-06-25 CN CN202321607156.7U patent/CN220185243U/en active Active
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