CN217455577U - Vehicle temperature control device - Google Patents

Abstract

The application relates to the technical field of vehicle equipment, and provides a vehicle temperature control device, which comprises: the heating circulation mechanism and a motor of the vehicle exchange heat with each other to enable a heating medium to obtain heat of the motor and provide heat for a riding room of the vehicle; the on-off control mechanism controls the mutual connection or disconnection of the heating circulation mechanism and the cooling circulation mechanism so that a heating medium enters the cooling circulation mechanism; the cooling circulation mechanism carries out circulation cooling on the heating medium inside. The heating medium obtains heat of the motor in the process of continuous circulation flow, and the heat is continuously provided for the passenger compartment of the vehicle to realize heating of the passenger compartment. When the temperature of the heating medium is too high, the on-off control mechanism can be controlled to enable the heating medium circulating in the heating circulation mechanism to enter the cooling circulation mechanism for circulating cooling.

Description

Vehicle temperature control device

Technical Field

The application relates to the technical field of vehicle equipment, in particular to a vehicle temperature control device.

Background

With the continuous development of electric vehicle technology, energy and environmental problems are more prominent. The current vehicle thermal management system comprises an air conditioning system, a motor cooling system and a battery temperature control system. The motor cooling system and the battery temperature control system control the working temperatures of the motor and the battery, the motor cooling system and the battery temperature control system perform heat dissipation work when the working temperatures of the motor and the battery are higher, and provide heat for the battery when the temperature of the battery is lower so as to ensure that the motor and the battery work at proper temperatures; the air conditioning system provides a comfortable environment temperature for drivers and passengers, and particularly provides a large amount of heat when the temperature is low in winter, so that a large amount of energy of the vehicle is consumed, and the driving mileage of the vehicle is influenced. Moreover, the three systems work separately and independently, the energy utilization is insufficient, and the structure is complicated. How to utilize the waste heat of the vehicle is a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a vehicle temperature control apparatus capable of heating a passenger compartment using waste heat of a motor in a vehicle.

In a first aspect, the present application provides a vehicle temperature control apparatus, comprising: a heating circulation mechanism in which a heating medium that circulates, is circulated, the heating circulation mechanism being configured to: exchanging heat with an electric motor of a vehicle such that the heating medium takes heat of the electric motor and provides heat to a passenger compartment of the vehicle; the cooling circulation mechanism is internally communicated with the heating medium which circularly flows, and the cooling circulation mechanism is structured as follows: circularly cooling the heating medium in the cooling circulation mechanism; and the on-off control mechanism is respectively connected with the heating circulating mechanism and the cooling circulating mechanism, and is structured as follows: and controlling the heating circulation mechanism and the cooling circulation mechanism to be communicated or disconnected with each other so that the heating medium in the heating circulation mechanism enters the cooling circulation mechanism.

In the aspect, when the heating medium is implemented, the heating medium obtains heat of the motor in the process of continuous circulation, and the heat is continuously provided for the passenger compartment of the vehicle so as to heat the passenger compartment. The heat that can utilize the motor to produce is for taking the room heat supply, can improve energy utilization to a certain extent, does not use extra heating energy for taking the room heating. When the temperature of the heating medium in the heating circulation mechanism is too high, the on-off control mechanism can be controlled to be communicated with the heating circulation mechanism and the cooling circulation mechanism, so that the heating medium circulating in the heating circulation mechanism enters the cooling circulation mechanism to circulate, and the heating medium can be cooled in the circulation process, thereby avoiding too high temperature of the heating medium in a sitting room, and avoiding the problem that the too high temperature of the motor is difficult to be distributed. When the temperature of the heating medium is proper, the on-off control mechanism can be controlled to disconnect the heating circulation mechanism and the cooling circulation mechanism, so that the heating medium circulating in the heating circulation mechanism does not enter the cooling circulation mechanism any more.

With reference to the first aspect, in one possible implementation manner, the vehicle temperature control device further includes: an auxiliary heating mechanism connected with the heating circulation mechanism, the auxiliary heating mechanism being configured to: and auxiliary heating is carried out on the heating medium.

With reference to the first aspect, in one possible implementation manner, the auxiliary heating mechanism includes: one end of the auxiliary heat pipeline is connected to one position of the heating circulation mechanism to obtain the heating medium, and the other end of the auxiliary heat pipeline is connected to the other position of the heating circulation mechanism to discharge the heating medium into the heating circulation mechanism; a heater installed on the auxiliary heat pipeline to heat the heating medium; the first electromagnetic valve is arranged in the auxiliary heat pipeline to control the on-off of the auxiliary heat pipeline, and when the first electromagnetic valve is opened, the heating medium in the heating circulation mechanism flows through the auxiliary heat pipeline; the vehicle temperature control apparatus further includes: the first temperature sensor is arranged on the heating circulation mechanism and used for detecting the temperature of the heating medium in the heating circulation mechanism; wherein the heater is electrically connected to the first temperature sensor, and the heater switches the on-off state according to the temperature detected by the first temperature sensor; the first electromagnetic valve is electrically connected with the first temperature sensor, and the first electromagnetic valve switches the opening and closing state according to the temperature of the heating medium detected by the first temperature sensor.

With reference to the first aspect, in one possible implementation manner, the heating cycle mechanism includes: the heating circulating pipeline is internally communicated with the heating medium; a first power module disposed on the heating circulation line, the first power module configured to: providing flowing power for the heating medium in a heating circulating pipeline; a motor heat exchange assembly disposed on the heating circulation pipeline, the motor heat exchange assembly configured to: transferring heat of the motor to the heating medium in the heating circulation pipeline; and a heat releasing assembly provided on the heating circulation pipeline, the heat releasing assembly being configured to: transferring heat of the heating medium in the heating cycle pipe to the passenger compartment.

With reference to the first aspect, in one possible implementation manner, the first power assembly includes a first pump installed in the heating circulation line; the motor heat exchange assembly comprises a heat exchange piece and a heat exchange cavity, the heat exchange piece and the motor are in heat exchange with each other, the heat exchange cavity is connected into the heating circulating pipeline, and the heating medium in the heating circulating pipeline flows through the heat exchange cavity; the heat release assembly comprises a heat release piece and a heat release cavity which are in heat exchange with each other, the heat release piece is in heat exchange with the riding room, the heat release cavity is connected into the heating circulating pipeline, and the heating medium in the heating circulating pipeline flows through the heat release cavity.

With reference to the first aspect, in a possible implementation manner, the method further includes: the motor controller is used for controlling the motor to work; wherein the cooling circulation mechanism is further configured to: and the heat exchange is carried out with the motor controller so that the heating medium in the cooling circulation mechanism obtains the heat of the motor controller.

With reference to the first aspect, in one possible implementation manner, the cooling circulation mechanism includes: the cooling circulation pipeline is internally used for circulating and circulating the heating medium, and the cooling circulation pipeline and the motor controller exchange heat with each other; a second power assembly disposed in the cooling circulation line, the second power assembly configured to: providing flowing power for the heating medium in a cooling circulation pipeline; and a heat dissipation assembly installed on the cooling circulation pipeline, the heat dissipation assembly being configured to: and cooling the heating medium in the cooling circulation pipeline.

With reference to the first aspect, in one possible implementation manner, the second power assembly includes a second pump, and the second pump is installed in the cooling circulation pipeline; the heat dissipation assembly comprises a fan, and a heat dissipation sheet and a heat dissipation cavity which are in heat exchange with each other, the heat dissipation cavity is connected into the cooling circulation pipeline, the heating medium in the cooling circulation pipeline flows through the heat dissipation cavity, and the fan is used for air cooling the heat dissipation sheet. With reference to the first aspect, in one possible implementation manner, the on-off control mechanism includes: the drainage assembly, with heat cycle mechanism with cooling cycle mechanism connects respectively, the drainage assembly structure is: introducing the heating medium in the heating circulation mechanism into the cooling circulation mechanism, and discharging the heating medium in the cooling circulation mechanism back into the heating circulation mechanism; and an on-off control assembly mounted on the drainage assembly, the on-off control assembly being configured to: and controlling the drainage assembly to be connected or disconnected.

With reference to the first aspect, in one possible implementation manner, the drainage assembly includes: one end of the first drainage pipeline is connected with one position of the heating circulating mechanism, and the other end of the first drainage pipeline is connected with one position of the cooling circulating pipeline; one end of the second drainage pipeline is connected with the other part of the heating circulating mechanism, and the other end of the second drainage pipeline is connected with the other part of the cooling circulating pipeline; wherein, the on-off control subassembly includes: the second electromagnetic valve is arranged in the first drainage pipeline to control the on-off of the first drainage pipeline; the third electromagnetic valve is arranged in the second drainage pipeline to control the on-off of the second drainage pipeline; the vehicle temperature control apparatus further includes: the second temperature sensor is arranged on the heating circulation mechanism, is also electrically connected with the second electromagnetic valve and the third electromagnetic valve respectively, and is used for detecting the temperature of the heating medium in the heating circulation mechanism; wherein the second solenoid valve switches an open/close state according to the temperature of the heating medium detected by the second temperature sensor, and the third solenoid valve switches an open/close state according to the temperature of the heating medium detected by the second temperature sensor.

With reference to the first aspect, in a possible implementation manner, the method further includes: a refrigeration mechanism configured to: cooling the passenger compartment and/or a power battery of the vehicle.

Drawings

Fig. 1 is a schematic structural diagram of a vehicle temperature control device according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram illustrating a partial structure of a vehicle temperature control device according to another embodiment of the present disclosure.

Fig. 3 is a schematic structural diagram illustrating a partial structure of a vehicle temperature control device according to another embodiment of the present disclosure.

Fig. 4 is a schematic diagram illustrating a circulation flow of a heating medium in a vehicle temperature control device according to an embodiment of the present application.

Fig. 5 is a schematic diagram illustrating a circulation flow of a heating medium in a vehicle temperature control device according to an embodiment of the present application.

Fig. 6 is a schematic diagram illustrating a circulation flow of a heating medium in a vehicle temperature control device according to an embodiment of the present application.

Fig. 7 is a schematic structural diagram of a vehicle temperature control device according to another embodiment of the present application.

Fig. 8 is a schematic view illustrating a circulation flow of the refrigerant in fig. 7.

Fig. 9 is a schematic view illustrating a circulation flow of the refrigerant in fig. 7.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Fig. 1 is a schematic structural diagram of a vehicle temperature control device according to an embodiment of the present application. A vehicle temperature control apparatus, in some embodiments, as shown in fig. 1, includes: a heating circulating mechanism 1, a cooling circulating mechanism 2 and an on-off control mechanism 3.

A heating medium circulating in the heating circulation mechanism 1, and the heating circulation mechanism 1 is configured such that: exchanges heat with the motor 4 of the vehicle so that the heating medium takes heat of the motor 4 and provides heat to the passenger compartment of the vehicle. Specifically, the heating medium may be a liquid having good heat conductivity, such as water or a coolant. The heating circulation mechanism 1 is provided with a power assembly which provides a heating medium to circulate in the heating circulation mechanism 1, and the heating medium obtains heat of the motor 4 in the process of continuous circulation and provides the heat to the passenger compartment of the vehicle to realize heating of the passenger compartment. In implementation, the heat generated by the motor 4 can be used for supplying heat to the riding room, so that the energy utilization rate can be improved to a certain extent, and the riding room can be heated without using extra heating energy. The cooling circulation mechanism 2 is internally communicated with a heating medium which circularly flows, and the cooling circulation mechanism 2 is structured as follows: and circularly cooling the heating medium in the cooling circulation mechanism 2.

The on-off control mechanism 3 is respectively connected with the heating circulating mechanism 1 and the cooling circulating mechanism 2, and the on-off control mechanism 3 is structured as follows: the heating circulation mechanism 1 and the cooling circulation mechanism 2 are controlled to be mutually communicated or disconnected, so that the heating medium in the heating circulation mechanism 1 enters the cooling circulation mechanism 2. When the temperature of the heating medium in the heating circulation mechanism 1 is too high, the on-off control mechanism 3 can be controlled to be communicated with the heating circulation mechanism 1 and the cooling circulation mechanism 2, so that the heating medium circulating in the heating circulation mechanism 1 enters the cooling circulation mechanism 2 to circulate, the heating medium can be cooled in the circulation process, the temperature in a sitting room is prevented from being too high due to the fact that the temperature of the heating medium is too high, and the phenomenon that the too high temperature of the motor 4 is difficult to radiate out is avoided. When the temperature of the heating medium is proper, the on-off control mechanism 3 can be controlled to disconnect the heating circulation mechanism 1 and the cooling circulation mechanism 2, so that the heating medium circulating in the heating circulation mechanism 1 does not enter the cooling circulation mechanism 2 any more.

In some embodiments, as shown in fig. 1, the vehicle temperature control apparatus further includes: and an auxiliary heating mechanism 5 connected to the heating circulation mechanism 1, wherein the auxiliary heating mechanism 5 is configured to: the heating medium is heated in an auxiliary manner. When the temperature of the heating medium in the heating cycle mechanism 1 is insufficient to supply heat to the passenger compartment, the auxiliary heating mechanism 5 may be used to raise the temperature of the heating medium, thereby ensuring that sufficient heat can be supplied to the passenger compartment.

Specifically, the auxiliary heating mechanism 5 includes: an auxiliary heat pipe 501, a heater 502, and a first solenoid valve 503. One end of the auxiliary heat pipe 501 is connected to one position of the heating circulation mechanism 1 to obtain a heating medium, and the other end of the auxiliary heat pipe 501 is connected to the other position of the heating circulation mechanism 1 to discharge the heating medium into the heating circulation mechanism 1. A heater 502 is installed on the auxiliary heating pipe 501 to heat a heating medium in the auxiliary heating pipe 501. A first electromagnetic valve 503 is installed in the auxiliary heat pipe 501 to control on/off of the auxiliary heat pipe 501, and the heating medium in the heating cycle mechanism 1 flows through the auxiliary heat pipe 501 when the first electromagnetic valve 503 is opened.

Specifically, the heater 502 may be a ceramic electrical heating element (PTC) heater, a heat generating component of the heater 502 contacts with the auxiliary heat pipe 501 to transfer heat to the auxiliary heat pipe 501, and the temperature of the heating medium in the auxiliary heat pipe 501 can be increased after the auxiliary heat pipe 501 is heated. When the first electromagnetic valve 503 is opened, the auxiliary heat pipe 501 is communicated, the heating medium can enter the auxiliary heat pipe 501 and flow through the auxiliary heat pipe 501, the heated auxiliary heat pipe 501 heats the heating medium which continuously flows through, and the heated heating medium returns to the heating cycle mechanism 1, so that the overall temperature of the heating medium in the heating cycle mechanism 1 is increased. When the first solenoid valve 503 is closed, the auxiliary heating pipe 501 is not connected, and even if some heating medium flows in from one end of the auxiliary heating pipe 501, the heating medium cannot flow through the auxiliary heating pipe 501 and is heated.

The vehicle temperature control apparatus further includes: the first temperature sensor 6 is attached to the heating cycle mechanism 1, and the first temperature sensor 6 is used to detect the temperature of the heating medium in the heating cycle mechanism 1. The heater 502 is electrically connected to the first temperature sensor 6, and the heater 502 switches the switching state according to the temperature detected by the first temperature sensor 6. The first solenoid valve 503 is in a normally closed state, the first solenoid valve 503 is electrically connected to the first temperature sensor 6, and the first solenoid valve 503 switches an open/closed state according to the temperature of the heating medium detected by the first temperature sensor 6. Specifically, a temperature threshold may be preset, and the heater 502 is turned on when the first temperature sensor 6 detects that the temperature of the heating medium does not reach the temperature threshold, so as to avoid energy waste caused by turning on the heater 502 all the time. The first solenoid valve 503 is opened when the first temperature sensor 6 detects that the temperature of the heating medium does not reach the temperature threshold, so that the auxiliary heating pipe 501 is communicated to allow the heating medium to pass through the auxiliary heating pipe 501.

In some embodiments, as shown in fig. 1, the heating cycle mechanism 1 includes: a heating cycle pipeline 101, a first power assembly 102, a motor heat exchange assembly 103 and a heat releasing assembly 104. A heating medium is introduced into the heating circulation line 101. A first power assembly 102 is provided on the heating cycle pipe 101, the first power assembly 102 being configured to: to provide flowing power for the heating medium in the heating circulation pipeline 101. The motor heat exchange assembly 103 is disposed on the heating circulation line 101, and the motor heat exchange assembly 103 is configured to: the heat of the motor 4 is transferred to the heating medium in the heating circulation pipeline. The heat releasing assembly 104 is disposed on the heating circulation line 101, and the heat releasing assembly 104 is configured to: the heat of the heating medium in the heating cycle pipe 101 is transferred to the passenger compartment. In use, the heating circulation pipeline 101 forms a closed circulation loop, a heating medium is pre-loaded in the heating circulation pipeline 101, the first power assembly 102 drives the heating medium to circulate in the heating circulation pipeline 101, the heating medium obtains heat of the motor 4 during the circulation process and transfers the heat to the heat releasing assembly 104, and the heat releasing assembly releases the heat to the passenger compartment to realize heating.

In some embodiments, specifically, the first power assembly 102 includes a first pump, the first pump is installed in the heating circulation line 101, the heating medium may be a liquid substance with good thermal conductivity, and the first pump may be a liquid pump to drive the heating medium to flow.

Fig. 2 is a schematic structural diagram illustrating a partial structure of a vehicle temperature control device according to another embodiment of the present disclosure. As shown in fig. 2, the motor heat exchange assembly 103 includes a heat exchange member 1031 and a heat exchange cavity 1032, the heat exchange member 1031 exchanges heat with the motor 4, the heat exchange cavity 1032 is connected to the heating circulation pipeline 101, and the heating medium in the heating circulation pipeline 101 flows through the heat exchange cavity 1032. The heat exchange chamber 1032 may be a pipe having both ends opened, and both ends are connected to the heating circulation line 101 so that the heating medium flows therethrough, and the heat exchange member 1031 may be attached to a surface of the heat exchange chamber 1031 to perform heat exchange, and the heat exchange member 1031 further contacts the motor 4 to perform heat exchange. The heat exchange member 1031 may be a heat conducting member, a heat conducting sheet, or a heat conducting silicone grease having good thermal conductivity, which is disposed between the motor 4 and the heat exchange chamber 1032.

The heat releasing component 104 includes a heat releasing member and a heat releasing cavity, which are in heat exchange with each other, the heat releasing member 104 exchanges heat with the passenger room, the heat releasing cavity is connected to the heating circulation pipeline 101, and the heating medium in the heating circulation pipeline 101 flows through the heat releasing cavity. The heat releasing component 104 may be a commercially available warm air core, and the warm air core generally includes a heat conducting pipe for flowing a heating medium, i.e., a heat releasing cavity of the heat releasing component 104, and a heat sink, i.e., a heat releasing member of the heat releasing component 104, the heat conducting pipe is heated by the flowing heating medium, and the heated heat conducting pipe transfers heat to the heat sink. Set up the fan in warm braw core one side, the fan is bloied towards the warm braw core, and the fin that is heated heats the air current through the warm braw core for the air current that blows the warm braw core becomes the warm braw and blows into and takes the room, realizes the heating to taking the room.

In some embodiments, as shown in fig. 1, the auxiliary heating mechanism 5 may further include a first three-way valve 504 and a second three-way valve 505, the first three-way valve 504 and the second three-way valve 505 are respectively installed at different positions of the heating cycle pipe 101, one end of the auxiliary heating pipe 501 may be communicated with the heating cycle pipe 101 through the first three-way valve 504, and the other end of the auxiliary heating pipe 501 may be communicated with the heating cycle pipe 101 through the second three-way valve 505.

In some embodiments, as shown in fig. 1, the heating cycle mechanism 1 may further include a fourth solenoid valve 105, the fourth solenoid valve 105 is electrically connected to the first temperature sensor 6, the fourth solenoid valve 105 may be disposed between the first three-way valve 504 and the second three-way valve 505, and the fourth solenoid valve 105 is in a normally open state. When the first temperature sensor 6 detects that the temperature of the heating medium does not reach the temperature threshold, the first solenoid valve 503 is opened to communicate the auxiliary heating pipe 501, and the fourth solenoid valve 105 is closed, so that the heating medium can only pass through the auxiliary heating pipe 501 and cannot pass through the heating circulation pipe 101 between the first three-way valve 504 and the second three-way valve 505, thereby improving the auxiliary heating efficiency of the heater 502 on the heating medium.

In some embodiments, as shown in fig. 1, the vehicle temperature control apparatus further includes: and the motor controller 8 is used for controlling the motor to work. The cooling circulation mechanism 2 is further configured to: and exchanges heat with the motor controller 8 so that the heating medium in the cooling circulation mechanism 2 obtains the heat of the motor controller 8. The motor controller 8 generates a large amount of heat during the time that the motor controller 8 controls the operation of the motor 4. In this embodiment, a certain amount of heating medium may be input into the cooling circulation mechanism 2 in advance to circulate continuously, and the motor controller 8 is taken away continuously during the circulation of the heating medium, and the heating medium is cooled circularly. When the heating circulating mechanism 1 uses the residual heat of the motor 4 to heat, the cooling circulating mechanism 2 can independently work to cool the motor controller 8.

In some embodiments, as shown in fig. 1, the cooling cycle mechanism 2 includes: a cooling circulation pipeline 201, a second power assembly 202 and a heat dissipation assembly 203. The cooling circulation line 201 circulates a heating medium. A second power assembly 202 is provided in the cooling cycle pipe 201, the second power assembly 202 being configured to: provides flowing power for heating medium in the cooling circulation pipeline 201. The heat radiation assembly 203 is installed on the cooling circulation line 201, and the heat radiation assembly 203 is configured as follows: the heating medium in the cooling circulation line 201 is cooled. When the cooling circulation pipeline 201 is used, when the heating medium enters the cooling circulation pipeline 201, the second power assembly 202 provides power for the flow of the heating medium in the cooling circulation pipeline 201, and the situation that the flow speed is slowed down when the pipeline of the cooling circulation pipeline 201 is long is avoided. The heat dissipation assembly 203 may be an air-cooled heat sink, and the air-cooled heat sink blows air to the cooling circulation pipeline 201 to achieve air-cooled heat dissipation. The on-off control mechanism 3 is used for controlling the on-off between the heating circulation mechanism 1 and the cooling circulation mechanism 2, and when the on-off control mechanism 3 is communicated with the heating circulation mechanism 1 and the cooling circulation mechanism 2, heating media can enter the cooling circulation pipeline 201.

The motor controller 8 can be installed on the cooling circulation pipeline 201, a motor controller heat exchange piece can be installed between the motor controller 8 and the cooling circulation pipeline 201, heat of the motor controller 8 can be transmitted to a heating medium in the cooling circulation pipeline 201 through the motor controller heat exchange piece, the second power assembly 202 drives the heating medium to circularly flow, and the heat dissipation assembly 203 cools and dissipates the heating medium.

Fig. 3 is a schematic structural diagram illustrating a partial structure of a vehicle temperature control device according to another embodiment of the present disclosure. In some embodiments, in particular, the second power assembly 202 includes a second pump installed in the cooling circulation line 201. As shown in fig. 3, the heat dissipation assembly 203 includes a fan 2031, and heat dissipation fins 2032 and a heat dissipation cavity 2033 that exchange heat with each other, the heat dissipation cavity 2033 is connected to the cooling circulation pipeline 201, the heating medium in the cooling circulation pipeline 201 flows through the heat dissipation cavity 2033, and the fan 2031 is used for air cooling the heat dissipation fins 2032. The heat dissipation cavity 2033 may be a pipe with openings at two ends, the two ends are connected to the cooling circulation pipeline 201 to allow the heating medium to flow therethrough, and the heat dissipation fins 2032 may be heat dissipation fins attached to and mounted on the surface of the heat dissipation cavity 2033 for heat exchange. In some embodiments, the on-off control mechanism 3 comprises: drainage subassembly and on-off control subassembly. Wherein, the drainage subassembly is connected respectively with heating circulation mechanism 1 and cooling circulation mechanism 2, and the drainage subassembly structure is: the heating medium in the heating circulation mechanism 1 is introduced into the cooling circulation mechanism 2, and the heating medium in the cooling circulation mechanism 2 is discharged back into the heating circulation mechanism 1. The on-off control subassembly is installed on the drainage subassembly, and the on-off control subassembly structure is: and controlling the connection or disconnection of the drainage assembly. This embodiment is when using, and the medium that heats circulates through the drainage subassembly and circulates 1 and cooling circulation mechanism 2 between heating circulation mechanism 1, and when the higher needs heat dissipation of the temperature of heating medium, control on-off control subassembly made the drainage subassembly intercommunication to make the medium that heats get into cooling circulation mechanism 2 through the drainage subassembly from heating circulation mechanism 1, and the medium that heats in the cooling circulation mechanism 2 still can get back to in the heating circulation mechanism 1 through the drainage subassembly. When the on-off control assembly controls the drainage assembly to be disconnected, the cooling circulation mechanism 2 only cools the motor controller.

In some embodiments, as shown in fig. 1, the drainage assembly comprises: a first tapping line 301 and a second tapping line 302. One end of the first drainage pipeline 301 is connected to one position of the heating circulation mechanism 1, and the other end of the first drainage pipeline 301 is connected to one position of the cooling circulation pipeline 201. One end of the second diversion pipeline 302 is connected to another position of the heating circulation mechanism 1, and the other end of the second diversion pipeline 302 is connected to another position of the cooling circulation pipeline 201. In operation, the heating medium in the heating circulation mechanism 1 may enter the cooling circulation line 201 through the first flow guiding line 301, and the heating medium in the cooling circulation line 201 may flow back into the heating circulation mechanism 1 through the second flow guiding line 302.

The on-off control assembly comprises: a second solenoid valve 303 and a third solenoid valve 304. The second electromagnetic valve 303 is arranged in the first drainage pipeline 301 to control the on-off of the first drainage pipeline 301, and the second electromagnetic valve 303 is in a normally closed state. A third solenoid valve 304 is disposed in the second drain line 302 to control the opening and closing of the second drain line 302.

The vehicle temperature control apparatus further includes: and a second temperature sensor 7 installed on the heating cycle mechanism 1, wherein the second temperature sensor 7 is further electrically connected to the second solenoid valve 303 and the third solenoid valve 304, respectively, and the second temperature sensor 7 is configured to detect a temperature of a heating medium in the heating cycle mechanism 1. The second solenoid valve 303 switches the open/close state according to the temperature of the heating medium detected by the second temperature sensor 7, and the third solenoid valve 304 switches the open/close state according to the temperature of the heating medium detected by the second temperature sensor 7. In implementation, when the second temperature sensor 7 detects that the temperature of the heating medium in the heating circulation mechanism 1 is high and needs to be reduced, the second electromagnetic valve 303 and the third electromagnetic valve 304 are opened, the heating medium in the heating circulation mechanism 1 enters the cooling circulation pipeline 201 through the first drainage pipeline 301 to circularly flow, and after the temperature of the heating medium is reduced through the cooling circulation pipeline 201, a part of the heating medium can return to the heating circulation mechanism 1 through the second drainage pipeline 302.

In some embodiments, as shown in fig. 1, the cooling cycle mechanism 2 further includes a third three-way valve 204 and a fourth three-way valve 205, and the third three-way valve 204 and the fourth three-way valve 205 are respectively installed at different positions of the cooling cycle line 201. One end of the first drainage tube 301 is connected with the heating circulation mechanism 1, and the other end of the first drainage tube 301 is communicated with the cooling circulation pipeline 201 through the third three-way valve 204; one end of the second draft tube 302 is connected to the heating circulation mechanism 1, and the other end of the second draft tube 302 is communicated with the cooling circulation line 201 through the fourth three-way valve 205.

In some embodiments, as shown in fig. 1, the cooling cycle mechanism 2 further includes a fifth solenoid valve 206, the fifth solenoid valve 206 is installed in the cooling cycle pipe 201 between the third three-way valve 204 and the fourth three-way valve 205, and the fifth solenoid valve 206 may be in a normally open state. If the second temperature sensor 7 detects that the temperature of the heating medium is not too high, the fifth electromagnetic valve 206 may be closed, so that the heating medium entering the cooling circulation pipeline 201 flows back to the heating circulation mechanism 1 from the second drainage tube 302 only by being sequentially cooled.

In some embodiments, as shown in fig. 1, the heating cycle mechanism 1 further includes a fifth three-way valve 106 and a sixth three-way valve 107, and the fifth three-way valve 106 and the sixth three-way valve 107 are respectively installed at different positions of the heating cycle pipe 101. One end of the first draft tube 301 is communicated with the heating circulation line 101 through the sixth three-way valve 107, and one end of the second draft tube 302 is communicated with the heating circulation line 101 through the fifth three-way valve 106.

In some embodiments, as shown in fig. 1, the heating cycle mechanism 1 further includes a sixth solenoid valve 108, the sixth solenoid valve 108 is disposed in the heating cycle pipe 101, and the sixth solenoid valve 108 is in a normally open state. When the second temperature sensor 7 detects that the temperature of the heating medium is too high and rapid heat dissipation is required, the sixth solenoid valve 108 may be closed such that the heating cycle pipe 101 is not conducted any more, and the second solenoid valve 303 and the third solenoid valve 304 are simultaneously opened. In this case, the heating medium is cooled only by circulation in the cooling circulation mechanism 2, and the sixth solenoid valve 108 may be opened when the temperature of the heating medium is sufficiently low.

In some embodiments, the first temperature sensor 6 may be disposed on the heating circulation line 101 near the auxiliary heating mechanism 5, so as to detect the temperature of the heating medium near the auxiliary heating mechanism 5, and the temperature data according to which the heater 502 and the first solenoid valve 503 are controlled may be more accurate and reliable. The second temperature sensor 7 may be disposed on the heating cycle pipe 101 near the cooling cycle mechanism 2, so as to detect the temperature of the heating medium near the cooling cycle mechanism 2, and the temperature data according to which the second solenoid valve 303 and the third solenoid valve 304 are controlled may be more accurate and reliable.

In some embodiments, as shown in fig. 1, the vehicle temperature control apparatus further includes a heating medium storage unit 9, the heating medium storage unit 9 is in communication with the heating cycle pipe 101 through a pipe, and the heating medium storage unit 9 is configured to store a large amount of heating medium, so as to provide the heating medium for the heating cycle unit 1. When the heating medium needs to enter the cooling circulation device 2, the heating medium in the heating circulation line 101 needs to be supplemented, and the heating medium storage device 9 may supplement the heating medium to the heating circulation line 101. Specifically, a power pump may be disposed in the heating medium storage mechanism 9, and an electromagnetic valve is disposed at an outlet of the heating medium storage mechanism 9, and when the heating medium needs to be supplemented to the heating circulation line 101, the power pump and the electromagnetic valve are opened to pump the heating medium into the heating circulation line 101.

Fig. 4 is a schematic diagram illustrating a circulation flow of a heating medium in a vehicle temperature control device according to an embodiment of the present application. Fig. 5 is a schematic diagram illustrating a circulation flow of a heating medium in a vehicle temperature control device according to an embodiment of the present application. Fig. 6 is a schematic diagram illustrating a circulation flow of a heating medium in a vehicle temperature control device according to an embodiment of the present application. In some usage scenarios, when the motor 4 transfers enough heat to the heating medium, the circulation loop of the heating medium may be as shown in fig. 4, and the circulation direction of the heating medium is indicated by an arrow in fig. 4. When the heat transferred to the heating medium by the motor 4 is insufficient, the auxiliary heating mechanism 5 is required to perform auxiliary heating on the heating medium, and a circulation loop of the heating medium may be as shown in fig. 5, where the circulation direction of the heating medium is indicated by an arrow in fig. 5. When the heat transferred to the heating medium by the motor 4 is excessive, the cooling circulation mechanism 2 is required to cool the heating medium, a circulation loop of the heating medium may be as shown in fig. 6, and a circulation direction of the heating medium is indicated by an arrow in fig. 6.

Fig. 7 is a schematic structural diagram of a vehicle temperature control device according to another embodiment of the present application. In some embodiments, as shown in fig. 7, further comprising: a refrigeration mechanism 10 configured to: cooling the passenger compartment and/or the power battery of the vehicle. In some high temperature environments, the temperature of the passenger compartment and the power battery is high, and the refrigeration mechanism 10 needs to be used to refrigerate the passenger compartment and/or the power battery.

Specifically, the refrigerating mechanism 10 may adopt a commercially available refrigerator, and specifically may include a condenser 1001, a stop valve 1002, an expansion valve 1003, a compressor 1004, a third pump 1005, an evaporator 1006, a cooling module 1007, and a refrigerant circulation line 1008, where a power battery 1009 is labeled in fig. 7.

When cooling of the passenger compartment is required, the stop valve 1002 is opened, and the refrigerant circulation line 1008 is filled with refrigerant, and the refrigerant circulates in the direction indicated by the arrow in fig. 7. The compressor 1004 is started, the refrigerant is compressed by the compressor 1004 and then cooled by the condenser 1001, the refrigerant enters the evaporator 1006 after passing through the stop valve 1002, a fan is arranged on one side of the evaporator 1006, and the air blown out by the fan is cooled by the evaporator 1006 and then blown into the passenger compartment to realize refrigeration. Meanwhile, the condenser 1001 generates some heat, and the condenser 1001 and the heat dissipation assembly 203 may share one air-cooled heat sink for cooling.

Fig. 8 is a schematic view illustrating a circulation flow of the refrigerant in fig. 7. Fig. 9 is a schematic view illustrating a circulation flow of the refrigerant in fig. 7. When the power battery needs to be cooled, the stop valve 1002 is closed, the expansion valve 1003 is opened, the refrigerant circulates in the direction indicated by the arrow in fig. 8, and the refrigerant enters the cooling module 1007 after passing through the condenser 1001. A refrigerant circulation pipeline 1008 is also arranged between the power battery 1009 and the cooling module 1007 and is communicated with a refrigerant, a third pump 1005 is arranged in the refrigerant circulation pipeline 1008, the refrigerant is in heat exchange with the power battery 1009, and the third pump 1005 provides circulation power for the refrigerant in the refrigerant circulation pipeline 1008 between the power battery 1009 and the cooling module 1007. The refrigerant cooled by the condenser 1001 exchanges heat with the refrigerant passing through the power battery 1009, thereby cooling the power battery 1009. Specifically, the cooling module 1007 may also adopt an evaporator, a fan is disposed on one side of the cooling module 1007, the air blown out by the fan is cooled by the cooling module 1007, and the cooled air is blown onto the power battery 1009 to cool the power battery 1009. The process principle in fig. 8 is prior art and will not be described herein.

When the passenger room and the power battery need to be cooled simultaneously, the stop valve 1002 is opened, the expansion valve 1003 is opened, the refrigerant circulating direction can be as indicated by an arrow in fig. 9, the refrigerant cools the passenger room through the evaporator 1006, and cools the power battery 1009 through the cooling module 1007.

The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.

The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. As used herein, the words "or" and "refer to, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".

It should also be noted that in the apparatus and devices of the present application, the components may be disassembled and/or reassembled. These decompositions and/or recombinations are to be considered as equivalents of the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.

Claims (11)

1. A vehicle temperature control apparatus characterized by comprising:

a heating circulation mechanism in which a heating medium that circulates, is circulated, the heating circulation mechanism being configured to: exchanging heat with an electric motor of a vehicle such that the heating medium takes heat of the electric motor and provides heat to a passenger compartment of the vehicle;

the cooling circulation mechanism is internally communicated with the heating medium which circularly flows, and the cooling circulation mechanism is structured as follows: circularly cooling the heating medium in the cooling circulation mechanism; and

the on-off control mechanism is connected with the heating circulation mechanism and the cooling circulation mechanism respectively, and is structured as follows: and controlling the heating circulation mechanism and the cooling circulation mechanism to be communicated or disconnected with each other so that the heating medium in the heating circulation mechanism enters the cooling circulation mechanism.

2. The vehicle temperature control apparatus according to claim 1, characterized by further comprising:

an auxiliary heating mechanism connected with the heating circulation mechanism, the auxiliary heating mechanism being configured to: and auxiliary heating is carried out on the heating medium.

3. The vehicle temperature control apparatus according to claim 2, characterized in that the auxiliary heating mechanism includes:

one end of the auxiliary heat pipeline is connected to one position of the heating circulation mechanism to obtain the heating medium, and the other end of the auxiliary heat pipeline is connected to the other position of the heating circulation mechanism to discharge the heating medium into the heating circulation mechanism;

a heater installed on the auxiliary heating pipeline to heat the heating medium; and

a first electromagnetic valve installed in the auxiliary heat pipe to control on/off of the auxiliary heat pipe, the heating medium in the heating circulation mechanism flowing through the auxiliary heat pipe when the first electromagnetic valve is opened;

the vehicle temperature control apparatus further includes:

the first temperature sensor is arranged on the heating circulation mechanism and used for detecting the temperature of the heating medium in the heating circulation mechanism;

wherein the heater is electrically connected to the first temperature sensor, and the heater switches the on-off state according to the temperature detected by the first temperature sensor; the first electromagnetic valve is electrically connected with the first temperature sensor, and the first electromagnetic valve switches the opening and closing state according to the temperature of the heating medium detected by the first temperature sensor.

4. The vehicle temperature control device according to claim 1, characterized in that the heating cycle mechanism includes:

the heating circulating pipeline is internally communicated with the heating medium;

a first power module disposed on the heating circulation line, the first power module configured to: providing flowing power for the heating medium in a heating circulating pipeline;

a motor heat exchange assembly disposed on the heating circulation pipeline, the motor heat exchange assembly configured to: transferring heat of the motor to the heating medium in the heating circulation pipeline; and

a heat-releasing assembly disposed on the heating circulation line, the heat-releasing assembly being configured to: transferring heat of the heating medium in the heating cycle pipe to the passenger compartment.

5. The vehicle temperature control apparatus according to claim 4,

the first power assembly comprises a first pump which is installed in the heating circulation pipeline;

the motor heat exchange assembly comprises a heat exchange piece and a heat exchange cavity, the heat exchange piece and the motor exchange heat with each other, the heat exchange cavity is connected into the heating circulating pipeline, and the heating medium in the heating circulating pipeline flows through the heat exchange cavity;

the heat release assembly comprises a heat release piece and a heat release cavity which are in heat exchange with each other, the heat release piece is in heat exchange with the riding room, the heat release cavity is connected into the heating circulating pipeline, and the heating medium in the heating circulating pipeline flows through the heat release cavity.

6. The vehicle temperature control apparatus according to claim 1, characterized by further comprising:

the motor controller is used for controlling the motor to work;

wherein the cooling circulation mechanism is further configured to: and the heat exchange is carried out with the motor controller so that the heating medium in the cooling circulation mechanism obtains the heat of the motor controller.

7. The vehicle temperature control apparatus according to claim 6, characterized in that the temperature decrease cycle mechanism includes:

the cooling circulation pipeline is internally used for circulating and circulating the heating medium, and the cooling circulation pipeline and the motor controller exchange heat with each other;

a second power assembly disposed in the cooling circulation line, the second power assembly configured to: providing flowing power for the heating medium in a cooling circulation pipeline; and

a heat sink assembly mounted on the cooling circulation line, the heat sink assembly being configured to: and cooling the heating medium in the cooling circulation pipeline.

8. The vehicle temperature control apparatus according to claim 7,

the second power assembly comprises a second pump, and the second pump is installed in the cooling circulating pipeline;

the heat dissipation assembly comprises a fan, and a heat dissipation sheet and a heat dissipation cavity which are in heat exchange with each other, the heat dissipation cavity is connected into the cooling circulation pipeline, the heating medium in the cooling circulation pipeline flows through the heat dissipation cavity, and the fan is used for air cooling the heat dissipation sheet.

9. The vehicle temperature control apparatus according to claim 7, characterized in that the on-off control mechanism includes:

the drainage assembly, with heat cycle mechanism with cooling cycle mechanism connects respectively, the drainage assembly structure is: introducing the heating medium in the heating circulation mechanism into the cooling circulation mechanism, and discharging the heating medium in the cooling circulation mechanism back into the heating circulation mechanism; and

on-off control assembly installs on the drainage subassembly, on-off control assembly structure is: and controlling the drainage assembly to be connected or disconnected.

10. The vehicle temperature control apparatus of claim 9, wherein the diversion assembly comprises:

one end of the first drainage pipeline is connected with one position of the heating circulating mechanism, and the other end of the first drainage pipeline is connected with one position of the cooling circulating pipeline; and

one end of the second drainage pipeline is connected with the other part of the heating circulating mechanism, and the other end of the second drainage pipeline is connected with the other part of the cooling circulating pipeline;

wherein, the on-off control subassembly includes:

the second electromagnetic valve is arranged in the first drainage pipeline to control the on-off of the first drainage pipeline; and

the third electromagnetic valve is arranged in the second drainage pipeline to control the on-off of the second drainage pipeline;

the vehicle temperature control apparatus further includes:

the second temperature sensor is arranged on the heating circulation mechanism, is also electrically connected with the second electromagnetic valve and the third electromagnetic valve respectively, and is used for detecting the temperature of the heating medium in the heating circulation mechanism;

wherein the second solenoid valve switches an open/close state according to the temperature of the heating medium detected by the second temperature sensor, and the third solenoid valve switches an open/close state according to the temperature of the heating medium detected by the second temperature sensor.

11. The vehicle temperature control apparatus according to claim 1, characterized by further comprising:

a refrigeration mechanism configured to: cooling the passenger compartment and/or a power battery of the vehicle.

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