CN113007330B

CN113007330B - Heat management device

Info

Publication number: CN113007330B
Application number: CN201911306055.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Sanhua Automotive Components Co Ltd
Current assignee: Zhejiang Sanhua Automotive Components Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2022-06-17
Anticipated expiration: 2039-12-18
Also published as: CN113007330A

Abstract

The invention discloses a heat management device which comprises a valve body, a valve core assembly, a heat exchange core body and a filtering part, wherein the valve body comprises a main valve body and a first mounting part, a second channel is communicated with a second cavity, a first channel is communicated with a first cavity, a third channel is communicated with a third cavity, one end of a first flow channel is communicated with the third cavity, the other end of the first flow channel is an inlet end of a filter assembly, one end of the second flow channel is communicated with a fourth channel, the other end of the second flow channel is an outlet end of the filter assembly, one end of the first flow channel is communicated with the first channel, and the other end of the first flow channel is communicated with the third channel. According to the heat management device, the valve core assembly, the heat exchange core body and the filtering part can be integrated through the valve body, the pipeline connection among all parts is simplified, and the structure is compact.

Description

Heat management device

Technical Field

The invention relates to the technical field of thermal management, in particular to a thermal management device.

Background

During the running process of the automobile, all parts of the automobile need to be lubricated by lubricating oil in time to ensure the normal running of the automobile. The lubricating properties of transmission oil (lubricating oil) are generally related to the temperature and cleanliness of the transmission oil. In the vehicle, can cool off gearbox oil through the heat exchanger, can guarantee gearbox oil's cleanliness through the filter subassembly, pass through the tube coupling between gearbox and heat exchanger, the filter subassembly, the system is comparatively numerous and diverse.

Disclosure of Invention

In order to solve the technical problems, the technical scheme of the invention provides a thermal management device, which is characterized by comprising a valve body, a valve core assembly, a heat exchange core body and a filtering part, wherein the heat exchange core body is provided with a first fluid channel and a second fluid channel which are isolated from each other, the valve body comprises a main valve body and a first mounting part, the valve core assembly is accommodated in a cavity formed by the main valve body, the main valve body is provided with a first flow channel, a second flow channel, a first cavity, a second cavity and a third cavity, the main valve body is also provided with a first channel, a second channel, a third channel and a fourth channel, the second channel is communicated with the second cavity, the first channel is communicated with the first cavity, the third channel is communicated with the third cavity, one end of the first flow channel is communicated with the third cavity, and the other end of the first flow channel is communicated with the inlet end of the filtering part, one end of the second flow passage is communicated with the fourth passage, the other end of the second flow passage is communicated with the outlet end of the filtering part, the first passage and the third passage are positioned on the same side of the main valve body, the second passage and the fourth passage are positioned on the opposite side of the main valve body, one end of the first fluid passage is communicated with the first passage, and the other end of the first fluid passage is communicated with the third passage.

According to the heat management device, the valve core assembly, the heat exchange core body and the filtering part can be integrated through the valve body, the pipeline connection among all parts is simplified, and the structure is compact.

Drawings

FIG. 1 is a perspective view of one embodiment of a thermal management device of the present invention.

FIG. 2 is a schematic cross-sectional view of a filter portion of the thermal management device of FIG. 1.

FIG. 3 is a perspective view of a thermostatic valve assembly of the thermal management device of FIG. 1.

FIG. 4 is a top view of the trim valve assembly of FIG. 3.

FIG. 5 is a cross-sectional view of the thermal conditioning valve assembly of FIG. 4 taken along the direction A-A.

FIG. 6 is a cross-sectional view of the temperature regulator valve assembly of FIG. 4 taken along the direction B-B.

FIG. 7 is a bottom view of the trim valve assembly of FIG. 3.

Figure 8 is a schematic partial cross-sectional view of the thermal management device of figure 1.

Fig. 9 is a cross-sectional view of the spring seat of fig.

Figure 10 is an exploded view of the thermal management device of figure 1.

Detailed Description

Specific embodiments will now be described in detail with reference to the accompanying drawings. Fig. 1 illustrates a thermal management device 10. The thermal management device 10 includes a trim valve assembly 20, a filter portion 30, and a heat exchanger assembly 80. The heat exchanger assembly 80 comprises a mounting plate 50 and a heat exchange core 40. The mounting plate 50 is connected with the temperature regulating valve assembly 20 and the heat exchange core 40, the mounting plate 50 is located between the temperature regulating valve assembly 20 and the heat exchange core 40, the mounting plate 50 is fixedly arranged with the temperature regulating valve assembly 20, and the temperature regulating valve assembly 20 is fixedly arranged with the filtering part 30.

Fig. 2 is a cross-sectional view of the filter part 30, a housing of the filter part 30 includes an external thread 31 and a positioning portion 32, the housing of the filter part 30 is in threaded connection with the temperature regulating valve assembly 20, and a joint of the filter part 30 and the temperature regulating valve assembly 20 can be sealed by a sealing ring to prevent internal fluid from leaking.

Fig. 3 is a schematic view of the temperature control valve assembly 20, fig. 4 is a top view of the temperature control valve assembly 20, fig. 5 and 6 are sectional views of the temperature control valve assembly 20 of fig. 4 taken along a-a and B-B, respectively, and fig. 7 is a bottom view of the temperature control valve assembly 20. The temperature regulating valve assembly 20 includes a valve body 21, a valve core assembly 24, and the valve body 21 includes a main valve body 22, a first mounting portion 211, a rib portion 231, a first mating portion 232, a second mating portion 234, and a plurality of second mounting portions 233. The main valve body 22 includes a first main valve body and a second main valve body which are arranged in parallel and have a cylindrical shape, the first engaging portion 232 and the second engaging portion 234 protrude from the first main valve body in a direction perpendicular to the rib portion 231 by a predetermined height, the first engaging portion 232 and the second engaging portion 234 are located on opposite sides of the first main valve body, the first mounting portion 211 also protrudes from the first main valve body in a direction perpendicular to the rib portion 231 by a predetermined height, and the first mounting portion 211 and the first engaging portion 232 are located on opposite sides of the first main valve body.

Wherein the rib 231 is located at both sides of the main valve body 22, and the thickness of the rib 231 is smaller than that of the main valve body 22, the second mounting portion 233 is located at an outer edge side of the rib 231, and the second mounting portion 233 protrudes from the rib 231 by a certain distance, an upper surface of the second mounting portion 233 is at the same plane as or slightly lower than an upper surface of the first fitting portion 232, and the second mounting portion 233 includes the first mounting hole 23. At least one rib is further provided at the joint between the second mounting portion 233 and the rib portion 231, so that the strength of connection between the rib portion 231 and the second mounting portion 233 can be increased. At least one reinforcing rib is also arranged at the joint of the first mounting part 211 and the main valve body 22, so that the connection strength of the first mounting part 211 and the main valve body 22 can be improved.

In this embodiment, the rib 231 is a thin plate structure extending outward from both sides of the main valve body 22, and the number of the second mounting portions 233 is four and is distributed on the peripheral side of the valve body 21.

In this embodiment, the valve body 21 may be a plastic part formed by injection molding and having an integral structure, or may be a metal part formed by die casting and then machined and having an integral structure. The main valve body structure of the structure is simple to process, and materials can be saved, so that the cost is reduced.

Fig. 8 is a partial sectional view of the thermal management apparatus 10, illustrating the installation of the thermostatic valve assembly 20 and the filter unit 30, wherein the first installation portion 211 is provided with an installation cavity 212, an inner wall corresponding to the installation cavity 212 is provided with an internal thread 213, and the internal thread 213 of the inner wall corresponding to the installation cavity 212 is matched with an external thread of a housing of the filter unit 30. The bottom of the mounting cavity 212 is provided with a positioning wall 70, at least part of the positioning portion 32 extends into the fifth channel 227, and the positioning portion 32 is excessively matched with the positioning wall 70 to realize limiting.

As shown in fig. 3 to 7, the first main valve body portion defines a first flow passage 221, the second main valve body portion defines a second flow passage 222, the second flow passage 222 is communicated with a fourth passage 226, one end of the second flow passage is communicated with the fourth passage, and the other end of the second flow passage can be used as an outlet end of the filter portion.

The first fitting portion 232 is provided with a first channel 223 and a third channel 225, the second fitting portion is provided with a second channel 224 and a fourth channel 226, the positioning portion 32 is provided with a fifth channel 227, and the fifth channel 227 is communicated with the second flow channel 222. When the second matching part is positioned on the second main valve body part, the first matching part or the second matching part is provided with a switching groove, and the switching groove can be used for communicating the second channel with the second cavity;

when the second channel is located at the first main valve body part and the fourth channel is located at the second main valve body part, an additional adapting groove is not needed. The positions of the second channel and the fourth channel can be set by arranging the adapting groove, so that the adapting device is adapted to lubricating oil inlets and outlets of different gearboxes.

The first main valve body portion further includes a first chamber 220, a second chamber 228, and a third chamber 229, the second chamber 228 being positioned between the first chamber 220 and the third chamber 229, the first chamber 220 being distal from the filter portion 30 relative to the third chamber 229. One end of the first flow path 221 communicates with the third chamber 229, and the other end of the first flow path 221 is connected to the installation chamber 212, and may serve as an inlet end of the filter part. The first passage 223 is connected to the first chamber 220, the second passage 224 is connected to the second chamber 228, and the third passage 225 is connected to the third chamber 229. The fluid flowing through the first flow passage 221 is filtered by the filter part 30 and then flows into the second flow passage 222.

As shown in fig. 5, the first main valve body portion includes a spring seat 25, and the spring seat 25 may be integrated with or separated from the other portion of the first main valve body portion. When the spring seat 25 is arranged in a split mode, the spring seat 25 can be positioned through a step at one end, the clamp at the other end is limited, the spring seat 25 is fixed, or the two ends of the spring seat are both limited through the clamp, and other fixing modes can be adopted. The spring seat 25 includes a flow hole 251 so that the liquid in the first flow passage 221 can pass through the spring hole 251. The cross-sectional shape of the spring seat 25 in this embodiment is shown in fig. 9.

As shown in fig. 5, the valve core assembly 24 includes an end cover 241, a first spring 242, a spring cap 243, a thermal assembly 244, and a second spring 245, where the end cover 241 defines a lateral passage 246 and a spring groove, the lateral passage 246 communicates with the first passage 223, the spring cap 243 and the first spring 242 are located in the spring groove, one end of the first spring 242 abuts against a corresponding inner wall of the spring groove, and the other end abuts against the spring cap 243. The end cover 241 can be limited by a clamp, and a sealing ring can be arranged on the peripheral side of the end cover 241 for sealing, so that the fluid in the first cavity 220 is prevented from leaking outwards. The thermal assembly 244 is at least partially positioned within the second chamber 228, and the thermal assembly 244 includes a heat sensitive substance therein that expands in volume when the temperature increases and contracts when the temperature decreases.

The thermal assembly 244 includes a body and a rod, one end of which is abutted against the spring cap. A second spring 245 is disposed at least partially within the third chamber 229, the second spring 245 having one end abutting the spring seat 25 and the other end abutting the thermal assembly 244. The first spring 242 and the second spring 245 are respectively arranged on two sides of the thermal element 244, and the first spring 242 and the second spring 245 are both in a compressed state initially.

The thermostatic valve assembly 20 includes a first valve port 247 and a second valve port 248, the thermal valve assembly 244 includes a first valve port portion 249 and a second valve port portion 240, the first valve port portion 249 cooperates with the first valve port 247 to open and close the first valve port 247, and the second valve port portion 240 cooperates with the second valve port 248 to open and close the second valve port 248.

As shown in fig. 4 to 6, the axes of the first flow passage 221 and the second flow passage 222 may be arranged in parallel, the first main valve body portion has an open end 601 at one end of the first flow passage 221, and the second main valve body portion has an open end 601 at one end of the second flow passage 222, the open ends 601 are both provided with a sealing cap 602, and a sealing ring may be provided around the sealing cap 602 to seal and prevent the fluid in the first flow passage 221 or the second flow passage 222 from leaking outside. By arranging the opening end 601 and the sealing cap 602, on one hand, demolding is facilitated, and on the other hand, installation of parts is facilitated.

The heat exchanging core 40 includes a first fluid channel and a second fluid channel which are isolated from each other, and the fluids in the first fluid channel and the second fluid channel can exchange heat. The first fluid passageway includes a first port at one end and a third port at the other end. Heat exchange core 40 includes end plate 52, end plate 52 being located at an end of heat exchange core 40 adjacent to mounting plate 50.

As shown in fig. 10, the end plate 52 of the mounting plate 50 is closer to the heat exchange core 40 than the mounting plate 50. The mounting plate 50 includes second mounting holes 53, the second mounting holes 53 are distributed around the mounting plate 50, the number of the second mounting holes 53 is the same as the number of the first mounting holes 52, the position of the second mounting holes 53 on the mounting plate 50 corresponds to the position of the first mounting holes 23 on the main valve body 22, that is, the first mounting holes 23 are aligned with the second mounting holes 53, and can be connected by a fixing method such as bolts.

The mounting plate 50 is provided with a first connecting groove 54 and a second connecting groove 55, and the opening sides of the first connecting groove 54 and the second connecting groove 55 face the heat exchange core 40. The first connecting groove 54 is opened with a first communicating hole 56, the second connecting groove 55 is opened with a second communicating hole 57, the first communicating hole 56 communicates with the third passage 225, and the second communicating hole 57 communicates with the first passage 223.

The end plate 52 is provided with a first connecting through hole 521 and a second connecting through hole 522, the first connecting through hole 521 connects the first connecting groove 54 and the first hole passage, and the second connecting through hole 522 connects the second connecting groove 55 and the third hole passage.

The two surfaces of the end plate 52 are provided with the welding coating layers, so that the connection between the temperature regulating valve assembly 20 and the heat exchange core body 40 has a better sealing effect, and the risk of liquid leakage failure in the first connecting groove 54 and the second connecting groove 55 is reduced.

When the temperature of the fluid is low, the heat sensitive substance in the thermal valve assembly 244 is in a contracted state, the body of the thermal valve assembly 244 moves towards the first valve port 247 and closes the first valve port 247, the second valve port 248 is in an open state, the second chamber 228 is communicated with the third chamber 229, the fluid flows into the second chamber 228 of the temperature regulating valve assembly 20 from the second passage 224, flows into the third chamber 229 through the second valve port 248, flows into the filter portion 30 through the third chamber, and is filtered by the filter portion 30, and the fluid filtered by the filter portion 30 flows back to the transmission case through the fifth passage 227, the second passage 222 and the fourth passage 226.

When the fluid temperature is high, the heat sensitive substance in the thermal valve assembly 244 is in an expansion state, the body of the thermal valve assembly 244 moves towards the second valve port 248 and closes the second valve port 248, the first valve port 247 is in an open state, the first cavity 220 is communicated with the second cavity 228, the fluid flows into the second cavity 228 of the temperature regulating valve assembly 20 from the second passage 224, flows into the first cavity 220 through the first valve port 247, flows into the heat exchanger assembly 80 through the first cavity 220 and the first passage 223 for heat exchange, flows into the third cavity 229 through the third passage 225, flows into the filter portion 30 through the third passage 229 for filtration, and flows back to the transmission through the fifth passage 227, the second passage 222 and the fourth passage 226.

Claims

1. A heat management device is characterized by comprising a valve body, a valve core assembly, a heat exchange core body and a filtering part, wherein the heat exchange core body is provided with a first fluid channel and a second fluid channel which are separated from each other, the valve body comprises a main valve body and a first mounting part, the valve core assembly is accommodated in a cavity formed by the main valve body, the main valve body is provided with a first flow channel, a second flow channel, a first cavity, a second cavity and a third cavity, the main valve body is also provided with a first channel, a second channel, a third channel and a fourth channel, the second channel is communicated with the second cavity, the first channel is communicated with the first cavity, the third channel is communicated with the third cavity, one end of the first flow channel is communicated with the third cavity, the other end of the first flow channel is communicated with an inlet end of the filtering part, one end of the second flow channel is communicated with the fourth channel, the other end of the second flow passage is communicated with the outlet end of the filtering part, the first passage and the third passage are positioned on the same side of the main valve body, the second passage and the fourth passage are positioned on the opposite side of the main valve body, one end of the first fluid passage is communicated with the first passage, and the other end of the first fluid passage is communicated with the third passage.

2. The thermal management apparatus according to claim 1, wherein the valve body further includes a rib plate portion, a first engagement portion, a second engagement portion, and a plurality of second mounting portions, the rib plate portion is located on both sides of the valve core assembly, and a thickness of the rib plate portion is smaller than a thickness of the main valve body, the second mounting portions are located on an outer edge side of the rib plate portion, the first and second engagement portions protrude from the main valve body portion in a direction perpendicular to the rib plate portion, the first and second engagement portions are located on opposite sides of the main valve body portion in a direction perpendicular to the rib plate portion, the first mounting portions also protrude from the main valve body portion in a direction perpendicular to the rib plate portion, and the first mounting portions and the first engagement portions are located on opposite sides of the main valve body portion in an axial direction of the valve core assembly, the shell of the filtering part is fixedly installed with the first installation part, the heat management device comprises a heat exchanger assembly, and the heat exchanger assembly is fixedly installed with the second installation part.

3. The thermal management device of claim 2, wherein the first mating portion is provided with a seal groove at an end of the first and third channels toward the heat exchanger assembly, the seal groove having a seal disposed therein.

4. The thermal management device according to claim 3, wherein the main valve body has a first main valve body portion and a second main valve body portion arranged in parallel, the first main valve body portion has a cylindrical shape, a part of the first engaging portion is connected to the first main valve body portion, another part of the first engaging portion is connected to the second main valve body portion, and/or a part of the second engaging portion is connected to the first main valve body portion, another part of the second engaging portion is connected to the second main valve body portion, a part of the rib plate portion extends outward from one side of the cylinder of the first main valve body portion to form a thin plate-like structure, and another part of the rib plate portion extends outward from the cylinder of the second main valve body portion to form a thin plate-like structure.

5. The thermal management device of claim 4, wherein the valve body is a plastic piece of unitary construction formed by injection molding, or the valve body is a metal piece of unitary construction formed by die casting and then machined.

6. The thermal management device according to claim 4, wherein the first main valve body defines the first flow channel, the first cavity, the second cavity, and the third cavity, the first engaging portion defines the first channel and the third channel, and the second engaging portion defines the second channel and the fourth channel;

the second matching part is positioned on the second main valve body part, the first matching part is provided with a switching groove, and the switching groove is communicated with the second channel and the second cavity;

or the second passage is located in the first main valve body portion and the fourth passage is located in the second main valve body portion.

7. The heat management device according to claim 4, wherein the first main valve body has an open end on one end side of the first flow passage and the second main valve body has an open end on one end side of the second flow passage, and a sealing cap is provided on each open end, and a sealing ring is provided around the sealing cap to achieve sealing.

8. The thermal management device according to claim 1, comprising a mounting plate, wherein the first fluid channel comprises a first hole at one end and a third hole at the other end, the mounting plate is provided with a first connecting groove and a second connecting groove, the opening sides of the first connecting groove and the second connecting groove face the heat exchange core, the first connecting groove is provided with a first connecting hole, the second connecting groove is provided with a second connecting hole, the first connecting groove is communicated with the first hole, the second connecting groove is communicated with the third hole, the first connecting hole is communicated with the third hole, and the second connecting hole is communicated with the first channel.

9. The thermal management device according to claim 8, wherein the second mounting portion has a first mounting hole, the mounting plate has a second mounting hole corresponding to the first mounting hole, and an upper surface of the second mounting portion and an upper surface of the first fitting portion are in the same plane or slightly lower than an upper surface of the first fitting portion, the valve body includes a rib plate portion, at least one reinforcing rib is further provided at a junction of the second mounting portion and the rib plate portion, and at least one reinforcing rib is also provided at a junction of the first mounting portion and the main valve body.

10. The thermal management device according to any of claims 1 to 9, wherein the first mounting portion has a mounting cavity, the inner wall of the mounting cavity is internally threaded, the housing member of the filter portion has an external thread, the external thread is engaged with the internal thread, the bottom of the mounting cavity has a positioning wall, the filter portion includes a positioning portion, the positioning portion at least partially extends into the positioning wall, and the positioning portion is engaged with the positioning wall for positioning.