CN212219830U - Increase form electric motor car cooling system waterway structure - Google Patents
Increase form electric motor car cooling system waterway structure Download PDFInfo
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- CN212219830U CN212219830U CN202020357672.9U CN202020357672U CN212219830U CN 212219830 U CN212219830 U CN 212219830U CN 202020357672 U CN202020357672 U CN 202020357672U CN 212219830 U CN212219830 U CN 212219830U
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- range extender
- heat exchanger
- liquid outlet
- cylinder body
- indoor heat
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Abstract
The utility model relates to an increase form electric motor car cooling system waterway structure belongs to automobile engine's technical field. The utility model discloses a water path structure of a cooling system of a range-extended electric vehicle, which comprises a range extender, wherein a cylinder body of the range extender is connected with a radiator through a pipeline; the liquid outlet of the cylinder body of the range extender, the tee joint, the fan heater, the tee joint and the liquid inlet of the cylinder body of the range extender are connected through pipelines; the three-way valve is connected with a second liquid outlet of the indoor heat exchanger through a pipeline and a water pump, and a second liquid inlet of the indoor heat exchanger is connected with the three-way valve through a pipeline; and a first liquid outlet of the auxiliary water tank is connected with a cylinder body of the range extender and a pipeline between the radiators, and a liquid inlet and a second liquid outlet of the auxiliary water tank are communicated with a pipeline between the indoor heat exchanger and the water pump. The water path structure of the utility model utilizes the heat generated by the range extender to heat the fan heater, thereby effectively reducing the power consumption and increasing the endurance mileage; when the vehicle is cold started, the air-conditioning heat pump system heats the range extender, and the vehicle can be quickly heated.
Description
Technical Field
The utility model relates to an automobile engine's technical field, more specifically says, the utility model relates to an increase form electric motor car cooling system waterway structure.
Background
As shown in fig. 1, in the prior art, the range extender cooling circuit and the fan heater heating circuit are separated into two separate parts. When the existing vehicle type works, the warm air is still heated by the heat pump system, the heat pump consumes the electric energy of the electric vehicle when running, the endurance mileage of the whole vehicle is shortened, and the heat generated by the range extender cannot be effectively utilized; when the range extender is in cold start, the hot vehicle is slow, and fuel oil is not sufficiently combusted; in addition, the cooling loop and the warm air loop of the range extender need two auxiliary water tanks for water supplement, and the weight of the whole vehicle is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, an object of the present invention is to provide a waterway structure of a cooling system of an extended range electric vehicle.
The utility model discloses an increase form electric motor car cooling system waterway structure, its characterized in that: the system comprises a range extender, a radiator, a fan heater, an indoor heat exchanger, a water pump, a vehicle control unit and an auxiliary water tank; the liquid outlet and the liquid inlet of the cylinder body of the range extender are connected with the radiator through pipelines; the liquid outlet of the cylinder body of the range extender, the tee joint, the fan heater, the tee joint and the liquid inlet of the cylinder body of the range extender are connected through pipelines; the three-way valve is connected with the second liquid outlet of the indoor heat exchanger through a pipeline and the water pump, and the second liquid inlet of the indoor heat exchanger is connected with the three-way valve through a pipeline; a first liquid outlet of the auxiliary water tank is connected with a cylinder body of the range extender and a pipeline between the radiators, and a liquid inlet and a second liquid outlet of the auxiliary water tank are communicated with a pipeline between the indoor heat exchanger and the water pump; the first liquid outlet compressor, the gas-liquid separator, the condenser, the electronic expansion valve and the first liquid inlet of the indoor heat exchanger are sequentially connected through pipelines; and the vehicle control unit is connected with the three-way valve, the fan heater, the water pump, the compressor and the range extender through control lines.
And pipelines among the liquid outlet of the cylinder body of the range extender, the tee joint, the fan heater, the tee joint and the liquid inlet of the cylinder body of the range extender are communicated to form a heating loop of the fan heater.
And a liquid outlet and a liquid inlet of the cylinder body of the range extender are communicated with the radiator to form a range extender cooling loop.
And pipelines among the first liquid outlet compressor of the indoor heat exchanger, the gas-liquid separator, the condenser, the electronic expansion valve and the first liquid inlet of the indoor heat exchanger are communicated to form an air-conditioning heat pump cooling loop.
And pipelines among the liquid outlet of the cylinder body of the range extender, the tee joint, the indoor heat exchanger, the auxiliary water tank, the water pump, the tee joint and the liquid inlet of the cylinder body of the range extender are communicated to form a range extender heating loop.
And pipelines among the second liquid outlet of the indoor heat exchanger, the liquid inlet of the auxiliary water tank, the second liquid outlet of the auxiliary water tank, the water pump, the three-way valve, the fan heater and the second liquid inlet of the indoor heat exchanger are communicated to form an air-conditioning heat pump heating loop.
Compared with the prior art, the utility model discloses an increase form electric motor car cooling system waterway structure has following beneficial effect:
the water path structure of the utility model utilizes the heat generated by the range extender to heat the fan heater, thus effectively reducing the power consumption and increasing the endurance mileage; when the vehicle is cold started, the air-conditioning heat pump system heats the range extender, so that the vehicle can be quickly heated; after the two loops are connected in parallel, only one auxiliary water tank is needed to complete water supplement of the system, and the weight is reduced.
Drawings
Fig. 1 is a block diagram of a water channel structure of a cooling system of a range-extended electric vehicle in the prior art.
Fig. 2 is a block diagram of the waterway structure of the extended range electric vehicle cooling system of the present invention.
Fig. 3 shows a first form of the water path for circulating water in the water path structure of the present invention.
Fig. 4 shows a second form of the water path structure of the present invention.
Fig. 5 shows a third form of the water path for circulating water in the water path structure of the present invention.
Fig. 6 shows a fourth form of the water circulation path in the water path structure of the present invention.
Detailed Description
The waterway structure of the extended range electric vehicle cooling system of the present invention will be further described with reference to the following embodiments to help those skilled in the art to understand the technical solution of the present invention more completely, accurately and deeply.
Example 1
As shown in fig. 2, the water path structure of the extended range electric vehicle cooling system of the embodiment includes a range extender, a radiator, a fan heater, an indoor heat exchanger, a water pump, a Vehicle Control Unit (VCU) and an auxiliary water tank. And a liquid outlet and a liquid inlet of the cylinder body of the range extender are connected with the radiator through pipelines. The liquid outlet of the cylinder body of the range extender, the tee joint, the fan heater, the tee joint and the liquid inlet of the cylinder body of the range extender are connected through pipelines. The three-way valve is connected with the second liquid outlet of the indoor heat exchanger through a pipeline and the water pump, and the second liquid inlet of the indoor heat exchanger is connected with the three-way valve through a pipeline. And a first liquid outlet of the auxiliary water tank is connected with a cylinder body of the range extender and a pipeline between the radiators, and a liquid inlet and a second liquid outlet of the auxiliary water tank are communicated with a pipeline between the indoor heat exchanger and the water pump. The first liquid outlet compressor, the gas-liquid separator, the condenser, the electronic expansion valve of the indoor heat exchanger and the first liquid inlet of the indoor heat exchanger are sequentially connected through pipelines. And the vehicle control unit is connected with the three-way valve, the fan heater, the water pump and the compressor through control lines.
In this embodiment, the range extender cooling circuit is connected in parallel with the fan heater heating circuit, and the VCU controls the circuits to realize various functions, thereby optimizing the thermal management of the whole vehicle.
As shown in fig. 3, when the range extender is started, the indoor heat exchanger and the water pump are closed, and the VCU detects that the water temperature of the cylinder body of the range extender is more than 8 ℃ and the temperature difference between the water temperature of the cylinder body of the range extender and the water temperature in the fan heater is less than or equal to 5 ℃, the VCU controls the liquid outlet of the cylinder body of the range extender, the tee joint, the fan heater, the tee joint and the liquid inlet of the cylinder body of the range extender to be communicated with each other to form a fan heater heating loop 1, and the fan heater heating loop 1 can utilize heat generated by; when the water temperature of the cylinder body of the range extender is higher than 80 ℃, the VCU controls the communication of the pipelines of the range extender and the radiator to form a range extender cooling circuit 2, and the range extender cooling circuit 2 can cool the range extender.
As shown in fig. 4, when the range extender is started, the indoor heat exchanger operates and the water pump is started, if the water temperature of the cylinder body of the range extender is less than 5 ℃, the VCU controls the pipeline communication among the liquid outlet of the cylinder body of the range extender, the tee joint, the indoor heat exchanger, the auxiliary water tank, the water pump, the tee joint and the liquid inlet of the cylinder body of the range extender, and the indoor heat exchanger is started to form the range extender heating loop 4. The range extender heating loop 4 heats the range extender, and when the water temperature of a cylinder body of the range extender reaches 8 ℃, the indoor heat exchanger is closed. If the water temperature of the cylinder body of the range extender is higher than 80 ℃, the VCU controls the cooling circuit 2 of the range extender to be opened, and the range extender can be cooled. And pipelines among a first liquid outlet of the indoor heat exchanger, the electronic expansion valve, the condenser, the gas-liquid separator, the compressor and a first liquid inlet of the indoor heat exchanger are communicated to form an air-conditioning heat pump cooling loop 3.
As shown in fig. 5, when the range extender is closed, the indoor heat exchanger is operated, and the water pump is started, the fan heater is communicated with the loop of the air-conditioning heat pump system, and the fan heater is heated by the indoor heat exchanger. And pipelines among a second liquid outlet of the indoor heat exchanger, a liquid inlet of the auxiliary water tank, a second liquid outlet of the auxiliary water tank, a water pump, a three-way valve, a fan heater and a second liquid inlet of the indoor heat exchanger are communicated to form an air-conditioning heat pump heating loop 5, and the air-conditioning heat pump heating loop 5 can be heated by the fan heater. And pipelines among a first liquid outlet of the indoor heat exchanger, the electronic expansion valve, the condenser, the gas-liquid separator, the compressor and a first liquid inlet of the indoor heat exchanger are communicated to form an air-conditioning heat pump cooling loop 3.
As shown in fig. 6, when the range extender operates, the indoor heat exchanger operates, and the water pump is turned off, and when the water temperature in the cylinder of the range extender is higher than 5 ℃, the internal part of the cylinder of the range extender is in small circulation; when the water temperature of the cylinder body of the range extender is higher than 80 ℃, the VCU controls the communication of the pipelines of the range extender and the radiator to form a range extender cooling circuit 2, and the range extender cooling circuit 2 can cool the range extender.
The water path structure of the utility model utilizes the heat generated by the range extender to heat the fan heater, thus effectively reducing the power consumption and increasing the endurance mileage; when the vehicle is cold started, the air-conditioning heat pump system heats the range extender, so that the vehicle can be quickly heated; after the two loops are connected in parallel, only one auxiliary water tank is needed to complete water supplement of the system, and the weight is reduced.
For those skilled in the art, the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements are all within the protection scope of the present invention as long as the technical solution of the present invention is adopted.
Claims (6)
1. The utility model provides an increase form electric motor car cooling system waterway structure which characterized in that: the system comprises a range extender, a radiator, a fan heater, an indoor heat exchanger, a water pump, a vehicle control unit and an auxiliary water tank; the liquid outlet and the liquid inlet of the cylinder body of the range extender are connected with the radiator through pipelines; the liquid outlet of the cylinder body of the range extender, the tee joint, the fan heater, the tee joint and the liquid inlet of the cylinder body of the range extender are connected through pipelines; the three-way valve is connected with the second liquid outlet of the indoor heat exchanger through a pipeline and the water pump, and the second liquid inlet of the indoor heat exchanger is connected with the three-way valve through a pipeline; a first liquid outlet of the auxiliary water tank is connected with a cylinder body of the range extender and a pipeline between the radiators, and a liquid inlet and a second liquid outlet of the auxiliary water tank are communicated with a pipeline between the indoor heat exchanger and the water pump; the first liquid outlet compressor, the gas-liquid separator, the condenser, the electronic expansion valve and the first liquid inlet of the indoor heat exchanger are sequentially connected through pipelines; and the vehicle control unit is connected with the three-way valve, the fan heater, the water pump, the compressor and the range extender through control lines.
2. The extended range electric vehicle cooling system waterway structure of claim 1, wherein: and the liquid outlet of the cylinder body of the range extender, the tee joint, the fan heater, the tee joint and the pipeline between the liquid inlet of the cylinder body of the range extender are communicated to form a heating loop of the fan heater.
3. The extended range electric vehicle cooling system waterway structure of claim 1, wherein: and a liquid outlet and a liquid inlet of the cylinder body of the range extender are communicated with the radiator to form a range extender cooling loop.
4. The extended range electric vehicle cooling system waterway structure of claim 1, wherein: and pipelines among the first liquid outlet compressor of the indoor heat exchanger, the gas-liquid separator, the condenser, the electronic expansion valve and the first liquid inlet of the indoor heat exchanger are communicated to form an air-conditioning heat pump cooling loop.
5. The extended range electric vehicle cooling system waterway structure of claim 1, wherein: and pipelines among a liquid outlet of the cylinder body of the range extender, the tee joint, the indoor heat exchanger, the auxiliary water tank, the water pump, the tee joint and a liquid inlet of the cylinder body of the range extender are communicated to form a heating loop of the range extender.
6. The extended range electric vehicle cooling system waterway structure of claim 1, wherein: and pipelines among the second liquid outlet of the indoor heat exchanger, the liquid inlet of the auxiliary water tank, the second liquid outlet of the auxiliary water tank, the water pump, the three-way valve, the fan heater and the second liquid inlet of the indoor heat exchanger are communicated to form an air-conditioning heat pump heating loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357672.9U CN212219830U (en) | 2020-03-20 | 2020-03-20 | Increase form electric motor car cooling system waterway structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357672.9U CN212219830U (en) | 2020-03-20 | 2020-03-20 | Increase form electric motor car cooling system waterway structure |
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| Publication Number | Publication Date |
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| CN212219830U true CN212219830U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020357672.9U Active CN212219830U (en) | 2020-03-20 | 2020-03-20 | Increase form electric motor car cooling system waterway structure |
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| CN (1) | CN212219830U (en) |
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- 2020-03-20 CN CN202020357672.9U patent/CN212219830U/en active Active
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