CN210178484U

CN210178484U - New energy automobile increases journey ware thermal management system

Info

Publication number: CN210178484U
Application number: CN201920792171.0U
Authority: CN
Inventors: Zhiyu Dai; 戴志育
Original assignee: Suzhou DSM Green Power Co Ltd
Current assignee: Suzhou DSM Green Power Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-24
Anticipated expiration: 2029-05-29

Abstract

The utility model provides a new energy automobile increases journey ware thermal management system, including the major cycle between engine and the generator, the minor cycle and the warm braw circulation in the engine water jacket outside the engine, the warm braw circulation includes warm braw feed liquor pipeline and warm braw liquid outlet pipe way between thermostat and the electric fan heater; the outside of the warm air liquid inlet pipeline is sleeved with a rubber and plastic heat preservation pipe. The utility model discloses utilize the coolant liquid to absorb the waste heat of engine and generator, realize improving the startability of increasing the journey ware to the preheating of the journey ware that does not start, simultaneously, heat when collecting engine and generator operation for to providing the warm braw in the carriage, and the cover is equipped with the rubber and plastic heat preservation pipe that is used for heat preservation on warm braw feed liquor pipeline, has guaranteed the stability of temperature, has improved the effect of warm braw.

Description

New energy automobile increases journey ware thermal management system

Technical Field

The utility model belongs to the technical field of the motor and specifically relates to a new energy automobile increases journey ware thermal management system is related to.

Background

A hot water heating system is generally adopted on an oil-fired automobile, a heat source of the hot water heating system generally adopts cooling water of an engine, the cooling water flows through a heater core, and then cold air is blown through the heater core by using an air blower to heat the air, so that the temperature in the automobile is increased; however, the pure electric new energy automobile does not have an engine, the electric heating pipe is heated to replace hot water, and the principle is the same as that of an electric hair drier, so that after air is heated, the hot air is blown out. Air is directly heated and then blown into a cab, and in addition, the air is heated by a PTC (positive temperature coefficient) heater, a heat pump and the like, the heating mode can also consume the electric energy of the automobile, and the endurance mileage of the automobile is influenced.

The existing new energy automobile generally comprises an engine cooling system to timely dissipate heat absorbed by heated parts, so that the engine is ensured to work in the most appropriate temperature state, and the heat of the part can be utilized to provide warm air for the automobile. However, because the engine does not continuously run, the water temperature is unstable, the water temperature is suddenly cooled and suddenly heated, and meanwhile, the pipeline in the heating system is too long, so that the stability of the water temperature is seriously influenced, and the effect of warm air is influenced.

Disclosure of Invention

In order to solve the problem, the utility model provides a new energy automobile increases journey ware thermal management system.

The main contents of the utility model include:

the thermal management system of the range extender of the new energy automobile comprises an engine and a generator, wherein the engine comprises an engine water jacket, and the generator comprises a cooling cavity; the engine water jacket comprises a water jacket outlet and a water jacket inlet, the water jacket outlet is communicated with a thermostat, the thermostat comprises a first thermostat outlet, the first thermostat outlet is connected with a first radiator through a cooling pipeline, the outlet of the first radiator is communicated with a cooling liquid inlet of the generator through a first liquid outlet pipeline, the outlet of a cooling cavity of the generator is communicated with the water jacket inlet through a first liquid return pipeline, and a water pump is arranged on the first liquid return pipeline;

the first temperature-saving outlet is communicated with an inlet of a warm air blower through a warm air liquid inlet pipeline, and an outlet of the warm air blower is communicated with the thermostat through a warm air liquid outlet pipeline; the outside of the warm air liquid inlet pipeline is sleeved with a rubber and plastic heat preservation pipe.

Preferably, the water pump comprises a water pump inlet, a first water pump outlet and a second water pump outlet, a first temperature sensor is arranged at the water pump inlet, the first water pump outlet is communicated with the water jacket inlet through a first water pump liquid return pipeline, and a first water pump valve is arranged on the first water pump liquid return pipeline; and the outlet of the second water pump is communicated with the inlet of the water jacket through a second water pump liquid return pipeline, and a second water pump valve and a second radiator are arranged on the second water pump liquid return pipeline.

Preferably, the heat sink further includes a second heat dissipation fan disposed outside the second heat sink.

Preferably, a warm air valve is arranged on the warm air liquid inlet pipeline.

Preferably, the thermostat further comprises a second temperature-saving outlet, the second temperature-saving outlet is communicated with the outlet of the first radiator through an auxiliary pipeline, an expansion kettle is configured on the auxiliary pipeline, and the outlet of the expansion kettle is communicated with the first liquid outlet pipeline through an expansion pipeline.

Preferably, the heat sink further includes a first heat dissipation fan disposed outside the first heat sink.

The beneficial effects of the utility model reside in that: the utility model provides a new energy automobile increases journey ware thermal management system utilizes the waste heat of coolant liquid absorption engine and generator, realizes preheating to the journey ware that increases who does not start, has improved the starting performance who increases the journey ware, simultaneously, collects the heat when engine and generator move for provide the warm braw in to the carriage, and the cover is equipped with the rubber and plastic insulating tube that is used for heat preservation on warm braw inlet channel, has guaranteed the stability of temperature, has improved the effect of warm braw.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of a warm air inlet pipeline.

Detailed Description

The technical solution protected by the present invention will be specifically described below with reference to the accompanying drawings.

Please refer to fig. 1 and fig. 2. The utility model provides a new energy automobile increases journey ware thermal management system, including engine 1 and generator 2, engine 1 includes engine water jacket 3, and generator 2 includes cooling chamber 100, engine water jacket 3 includes water jacket export and water jacket import, water jacket exit intercommunication has temperature saver 4, temperature saver 4 includes first festival temperature export, first festival temperature export is connected with first radiator 5 through cooling pipeline 300, in one of them embodiment, first radiator 5's the outside still disposes first radiator fan 6 to further cool down the coolant liquid.

An outlet of the first radiator 5 is communicated with an inlet of the water jacket through a first liquid outlet pipeline 200, an outlet of a cooling cavity 100 of the generator 2 is communicated with an inlet of the water jacket of the engine water jacket 3 of the engine 1 through a first liquid return pipeline 210, and a water pump 7 is arranged on the first liquid return pipeline; in one embodiment, the water pump 7 includes a water pump inlet, a first water pump outlet and a second water pump outlet, wherein the water pump inlet is provided with a first temperature sensor 710, the first water pump outlet is communicated with the water jacket inlet of the engine water jacket 3 of the engine 1 through a first water pump return pipeline 720, and the second water pump outlet is communicated with the water jacket inlet through a second water pump return pipeline 730, that is, coolant is pumped back into the engine water jacket 3 of the engine 1 through the first water pump return pipeline 720 or the second water pump return pipeline 730, so as to complete a cycle; further, a first water pump valve 721 is disposed on the first water pump return line 720; a second water pump valve 731 and a second radiator 8 are disposed on the second water pump return line 730, and a second heat dissipation fan 9 is disposed outside the second radiator 8 on the outside of the second radiator 8.

When the temperature of the coolant flowing back from the generator 2 side is higher than the temperature of the coolant flowing back into the water pump 7, the temperature of the coolant is detected by the first temperature sensor 710, and when the temperature of the coolant is higher than the temperature of the coolant, the coolant flows out through the second water pump outlet of the water pump 7, at this time, the second water pump valve 731 is opened, the coolant further cools by the second radiator 8 and then flows back into the cooling cavity of the engine, and when the temperature is not higher than the temperature, the first water pump valve 721 is opened, and the coolant flows out through the first water pump outlet. The second radiator 8 is a low-temperature radiator.

In one embodiment, the first thermostat outlet of the thermostat 4 is communicated with an inlet of the warm air blower 11 through a warm air inlet pipeline 410, and an outlet of the warm air blower 11 is communicated with the thermostat 4 through a warm air outlet pipeline 420; the warm air liquid inlet pipeline 410 is sleeved with a rubber and plastic heat preservation pipe 411.

In one embodiment, the warm air inlet pipe 410 is provided with a warm air valve 412, and a temperature sensor is disposed in the vehicle cabin, wherein when the temperature in the vehicle cabin reaches a set temperature, such as a temperature that a human body feels cold, the warm air valve 412 is opened, and when the temperature is higher than the set temperature, the warm air valve 412 is closed, i.e., no cooling liquid is required to enter, so as to avoid unnecessary waste.

In addition, in one embodiment, the thermostat 4 further includes a second thermostat outlet, the second thermostat outlet is communicated with the outlet of the first radiator 5 through an auxiliary pipeline 400, the expansion tank 10 is configured on the auxiliary pipeline 400, and the outlet of the expansion tank 10 is communicated with the first liquid outlet pipeline 200 through an expansion pipeline 110, so that the problem of possible bursting caused by increased pressure in the pipe when the temperature is too high can be prevented, and the safety of the thermal management system is ensured.

The utility model discloses can realize a plurality of circulations, firstly when the coolant temperature in the engine water jacket is not high, paraffin in the thermostat is solid, at this moment, the thermostat valve in the thermostat closes the cooling pipeline, namely closes the intercommunication between engine water jacket and the first radiator, and the coolant liquid carries out the microcirculation in the engine water jacket, can preheat the engine; when the problem of the cooling liquid reaches a specified value, paraffin in the thermostat is melted, the cold area pipeline is conducted, the cooling liquid enters the generator through the first liquid outlet pipeline after being cooled by the first radiator, then returns to the engine through the first liquid return pipeline and the water pump for large circulation, wherein one part of the high-temperature cooling liquid can enter the warm air blower through the warm air liquid inlet pipeline to heat the carriage, and then returns to the first radiator through the warm air liquid outlet pipeline for cooling to participate in the large circulation; when the temperature is too high, the pressure is too high, or air and liquid are needed to be supplied, a part of cooling liquid flows out of the expansion kettle through the thermostat and then is communicated with the first liquid outlet pipeline through the expansion pipeline to participate in the major cycle.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The thermal management system of the range extender of the new energy automobile is characterized by comprising an engine and a generator, wherein the engine comprises an engine water jacket, and the generator comprises a cooling cavity; the engine water jacket comprises a water jacket outlet and a water jacket inlet, the water jacket outlet is communicated with a thermostat, the thermostat comprises a first thermostat outlet, the first thermostat outlet is connected with a first radiator through a cooling pipeline, the outlet of the first radiator is communicated with a cooling liquid inlet of the generator through a first liquid outlet pipeline, the outlet of a cooling cavity of the generator is communicated with the water jacket inlet through a first liquid return pipeline, and a water pump is arranged on the first liquid return pipeline;

2. The thermal management system for the range extender of the new energy automobile as claimed in claim 1, wherein the water pump comprises a water pump inlet, a first water pump outlet and a second water pump outlet, a first temperature sensor is arranged at the water pump inlet, the first water pump outlet is communicated with the water jacket inlet through a first water pump return pipeline, and a first water pump valve is arranged on the first water pump return pipeline; and the outlet of the second water pump is communicated with the inlet of the water jacket through a second water pump liquid return pipeline, and a second water pump valve and a second radiator are arranged on the second water pump liquid return pipeline.

3. The thermal management system of the range extender of the new energy vehicle as claimed in claim 2, further comprising a second heat dissipation fan, wherein the second heat dissipation fan is disposed outside the second heat sink.

4. The thermal management system of the range extender of the new energy automobile as claimed in claim 1, wherein a warm air valve is arranged on the warm air inlet pipeline.

5. The thermal management system of the range extender of the new energy automobile as claimed in claim 1, wherein the thermostat further comprises a second thermostat outlet, the second thermostat outlet is communicated with an outlet of the first radiator through an auxiliary pipeline, an expansion kettle is arranged on the auxiliary pipeline, and an outlet of the expansion kettle is communicated with the first liquid outlet pipeline through an expansion pipeline.

6. The thermal management system of the range extender of the new energy vehicle as claimed in claim 1, further comprising a first cooling fan, wherein the first cooling fan is disposed outside the first heat sink.