CN210941251U - Integrated expansion kettle for electric automobile and electric automobile - Google Patents
Integrated expansion kettle for electric automobile and electric automobile Download PDFInfo
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- CN210941251U CN210941251U CN201921452297.XU CN201921452297U CN210941251U CN 210941251 U CN210941251 U CN 210941251U CN 201921452297 U CN201921452297 U CN 201921452297U CN 210941251 U CN210941251 U CN 210941251U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses an integrated form inflation kettle and electric automobile for electric automobile. This integrated form expansion tank includes multi-ported valve, expansion tank and cooling circuit water pump, and multi-ported valve and cooling circuit water pump are fixed or integrated into one piece with the casing of expansion tank, still be provided with on the casing of expansion tank with a plurality of cooling interfaces of electric automobile's cooling circuit intercommunication and with a plurality of heating interfaces of electric automobile's heating circuit intercommunication, and the multi-ported valve is used for changing the on-state of a plurality of cooling interfaces, and the cooling circuit water pump sets up in cooling circuit. The utility model discloses an integrated form expansion kettle can carry out moisturizing and exhaust for cooling circuit and heating circuit simultaneously, forms the integrated form expansion kettle of cooling circuit and heating circuit sharing, and multi-ported valve and cooling circuit water pump are all integrated on the expansion kettle, have reduced part quantity, have simplified the assembly step, have optimized the tube coupling, are favorable to keeping the front deck clean and tidy to be favorable to electric automobile's lightweight design.
Description
Technical Field
The utility model relates to a vehicle field particularly, relates to an integrated form inflation kettle and electric automobile for electric automobile.
Background
The existing electric automobile comprises three sets of cooling liquid circulation loops: the battery cooling loop, the motor electric control cooling loop, the heating loop, the expansion kettle, the water pump, the electromagnetic water valve, the pipeline and other parts of the three sets of cooling liquid circulation loops are mainly arranged in the front cabin of the automobile, but the space of the front cabin of the automobile is too small, the arrangement is easy to be disordered and complicated, the parts are easy to interfere, the performance and the attractiveness of the system are influenced, and certain difficulty is brought to assembly and maintenance. In addition, three sets of coolant liquid circulation circuit need dispose 2 ~ 3 expansion kettles, occupy and arrange the space, increase the cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides an integrated form inflation kettle for electric automobile can reduce electric automobile coolant liquid circulation circuit's occupation space, is favorable to saving the cost.
The utility model also provides a vehicle of having above-mentioned integrated form inflation kettle for electric automobile.
According to the utility model discloses an integrated form inflation kettle for electric automobile includes: a multi-way valve; the expansion kettle is fixed with or integrally formed with a shell of the expansion kettle, a plurality of cooling interfaces communicated with a cooling loop of the electric automobile are further arranged on the shell of the expansion kettle, and the multi-way valve is used for changing the conduction states of the plurality of cooling interfaces; and the cooling loop water pump is arranged in the cooling loop and is fixed with the shell of the expansion kettle or integrally formed.
According to the utility model discloses an integrated form expansion kettle for electric automobile can carry out moisturizing and exhaust for cooling circuit to integrated form expansion kettle still can be used to switch a plurality of cooling circuit's on-state, and the casing of multi-ported valve and cooling circuit water pump all with the casing of expansion kettle fixed or integrated into one piece, has reduced part quantity, has optimized the tube coupling, is favorable to keeping the front deck clean and tidy, and is favorable to electric automobile's lightweight design.
According to some embodiments of the utility model, the multi-ported valve is with a plurality of the cooling interface stretches into at least partly in the casing of expansion kettle, and is a plurality of stretch into of cooling interface the part in the expansion kettle casing be suitable for with stretch into of multi-ported valve the part in the expansion kettle casing is connected.
According to some embodiments of the invention, the cooling circuit comprises: the multi-way valve has a parallel connection state enabling the battery cooling loop and the motor electric control cooling loop to be connected in parallel and a series connection state enabling the battery cooling loop and the motor electric control cooling loop to be connected in series.
Specifically, the cooling interface includes: the water outlet interface of the motor loop is connected with a water return pipe of the electric control cooling loop of the motor, the water inlet interface of the motor loop is connected with a water inlet pipe of the electric control cooling loop of the motor, the water outlet interface of the battery loop is connected with a water return pipe of the electric control cooling loop of the battery, and the water inlet interface of the battery loop is connected with a water inlet pipe of the battery cooling loop.
The cooling interface includes: the water inlet interface of the heat dissipation loop is communicated with the inside of the water outlet interface of the motor loop, a radiator is arranged between the water outlet interface of the heat dissipation loop and the water inlet interface of the heat dissipation loop, the water outlet interface of the heat dissipation loop is connected with a water outlet pipe of the radiator, and the water inlet interface of the heat dissipation loop is connected with a water inlet pipe of the radiator.
Furthermore, a first hole is formed in the water outlet interface of the motor loop, a second hole is formed in the water inlet interface of the heat dissipation loop, the first hole and the second hole are located in the cavity of the expansion kettle, and the cross sectional area of the intersection of the water outlet interface of the motor loop and the water inlet interface of the heat dissipation loop is smaller than the cross sectional area of the channel of the water outlet interface of the motor loop.
According to some embodiments of the present invention, the multi-way valve is a five-way solenoid valve, and when the five-way solenoid valve is in the parallel state, the heat dissipation circuit water outlet interface is conducted with the motor circuit water inlet interface, and the battery circuit water outlet interface is conducted with the battery circuit water inlet interface; when the five-way electromagnetic valve is in the series state, the water outlet interface of the motor loop is communicated with the water inlet interface of the battery loop, and the water outlet interface of the battery loop is communicated with the water inlet interface of the motor loop.
According to some embodiments of the invention, the cooling circuit water pump comprises: the setting is in battery return circuit water pump and setting in the battery cooling circuit are in motor automatically controlled return circuit water pump in the automatically controlled cooling circuit of motor, battery return circuit water pump with the impeller shell of motor automatically controlled return circuit water pump is all integrated on the casing of expansion kettle, the impeller shell has water inlet and delivery port, battery return circuit water inlet interface with the water inlet intercommunication of battery return circuit water pump, motor return circuit water inlet interface with the water inlet intercommunication of motor automatically controlled return circuit water pump.
According to some embodiments of the utility model, still be provided with a plurality of heating interfaces with electric automobile's heating return circuit intercommunication on the casing of inflation kettle, the heating interface includes: the heating and water supplementing connector is communicated with the expansion kettle and the heating loop, and the heating and air exhausting connector is communicated with the expansion kettle and the heating loop.
According to another aspect of the present invention, an electric vehicle includes the integrated expansion kettle for an electric vehicle.
The electric automobile and the integrated expansion kettle for the electric automobile have the same advantages compared with the prior art, and the detailed description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic view of the connection of an integrated expansion tank to a cooling circuit and a heating circuit;
FIG. 2 is a schematic view of an integrated expansion tank;
FIG. 3 is a schematic view showing the connection of the integrated expansion tank to the cooling circuit and the heating circuit when the multi-way valves are in parallel connection;
FIG. 4 is a schematic view showing the connection of the integrated expansion tank to the cooling circuit and the heating circuit when the multi-way valves are connected in series;
fig. 5 is a schematic view of the positions of the first and second holes.
Reference numerals:
the device comprises a motor electric control loop water pump 1, a battery loop water pump 2, an expansion kettle 3, a multi-way valve 4, a heat dissipation loop water outlet interface a, a heat dissipation loop water inlet interface b, a motor loop water outlet interface c, a motor loop water inlet interface d, a battery loop water outlet interface e, a battery loop water inlet interface f, a heating and water supplementing interface h, a heating and exhausting interface i, a radiator 5, a motor electric control cooling loop 6, a battery cooling loop 7, a heating loop 8, a heating water pump 81, a first hole 91, a second hole 92 and a partition plate 93.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
An integrated expansion tank 10 for an electric vehicle according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 5.
Referring to fig. 1 to 2, an integrated expansion tank 10 for an electric vehicle according to an embodiment of the present invention may include: the multi-way valve 4, the cooling circuit water pump and the expansion kettle 3, the casings of the multi-way valve 4 and the cooling circuit water pump are all fixed with the casing of the expansion kettle 3 or are integrally formed, in other words, the multi-way valve 4 and the cooling circuit water pump are all integrated on the casing of the expansion kettle 3, the assembling steps of the multi-way valve 4 and the expansion kettle 3 are reduced, and the connecting pipelines between the multi-way valve 4 and the expansion kettle 3 are reduced.
The shell of the expansion kettle 3 is also provided with a plurality of cooling interfaces communicated with a cooling loop of the electric automobile and a plurality of heating interfaces communicated with a heating loop 8 of the electric automobile, and the multi-way valve 4 is used for changing the conduction states of the plurality of cooling interfaces.
In other words, the cooling circuit and the heating circuit 8 share the same integrated expansion kettle 10, the total number of the expansion kettles 3 on the electric automobile can be reduced, so that the arrangement space of a cooling liquid circulation circuit of the electric automobile is saved, even if the integrated expansion kettle 10 is arranged in the front cabin of the automobile, abundant arrangement space can be reserved for other parts, and meanwhile, the integrated expansion kettles 10 are one, so that the cleanness of the front cabin is favorably kept, the arrangement of the front cabin is beautified, and the weight of the whole electric automobile can be reduced. The length and the number of connecting pipelines between the cooling loop and the integrated expansion kettle 10 are reduced, so that the heat loss is favorably reduced, the performance of a cooling system is improved, and the assembly and maintenance difficulty is favorably reduced.
The expansion kettle 3 can comprise an upper shell and a lower shell, the upper shell is located above the lower shell, the upper shell and the lower shell can be fixed through hot melting welding, in some optional embodiments, the shell of the multi-way valve 4 and the lower shell of the expansion kettle 3 can be integrally injection-molded, and in other optional embodiments, the shell of the multi-way valve 4 and the shell of the expansion kettle 3 can be connected through a fastener.
The multi-way valve 4 can realize the functions of a three-way valve and a four-way valve. For the condition that the number of the cooling loops is multiple, the parallel connection or the serial connection of different cooling loops can be realized by changing the connection state of the multi-way valve 4, and one multi-way valve 4 can realize multiple functions, thereby obviously reducing the number of parts.
The cooling circuit water pump is arranged in the cooling circuit and is integrated on the shell of the expansion tank 3. Particularly, an impeller shell of the cooling loop water pump is fixed with or integrally formed with a shell of the expansion kettle 3, and the impeller shell is provided with a water inlet and a water outlet, so that the water inlet and the water outlet of the cooling loop water pump are integrated on the shell of the expansion kettle 3, cooling liquid in the expansion kettle 3 can enter the cooling loop water pump through the water inlet of the cooling loop water pump on the shell of the expansion kettle 3 and then enter the cooling loop through the water outlet of the cooling loop water pump on the shell of the expansion kettle 3, the assembling steps of the cooling loop water pump and the expansion kettle 3 are reduced, and connecting pipelines between the cooling loop water pump and the expansion kettle 3 are reduced.
The integrated expansion kettle 10 shown in fig. 2 integrates the expansion kettle 3, a cooling connector, a heating connector, a multi-way valve 4 and a cooling loop water pump, so that the number of parts and the number of connecting piece pipelines are reduced, and the assembly process is saved. Alternatively, the housing of the cooling circuit water pump may be integrally injection-molded with the lower housing of the expansion tank 3, or may be connected using a fastener.
According to the utility model discloses an integrated form expansion kettle 10 for electric automobile can carry out moisturizing and exhaust for cooling circuit and heating circuit 8 simultaneously, form cooling circuit and 8 sharing integrated form expansion kettle 10 in heating circuit, integrated form expansion kettle 10 still can be used to switch a plurality of cooling circuit's on-state, and multi-ported valve 4 and cooling circuit water pump all with the casing of expansion kettle 3 fixed or integrated into one piece, the part quantity has been reduced, the assembly process has been simplified, part arrangement such as other pipelines obtains very big optimization, be favorable to keeping the clean and tidy cabin in the front deck, and be favorable to electric automobile's lightweight design.
In a specific embodiment, the multi-way valve 4 at least partially extends into the shell of the expansion kettle 3, the plurality of cooling connectors at least partially extend into the shell of the expansion kettle 3, and the parts of the plurality of cooling connectors extending into the shell of the expansion kettle 3 are suitable for being connected with the parts of the multi-way valve 4 extending into the shell of the expansion kettle 3, so that when the multi-way valve 4 is used for changing the conduction state of the plurality of cooling connectors, the cooling liquid in the expansion kettle 3 can be ensured to be supplemented into the cooling loop in time, and the excessive cooling liquid and the high-pressure gas in the cooling loop can be discharged into the expansion kettle 3 and discharged through a bypass water pipe of the expansion kettle 3. When the number of the cooling loops is multiple, the expansion kettles 3 can be shared by the multiple cooling loops, so that the number of the expansion kettles 3 is reduced, and the space is saved.
In the embodiment shown in fig. 1, 3-4, the cooling circuit comprises: the battery cooling circuit 7 and the motor electronic control cooling circuit 6, the multi-way valve 4 is a five-way electromagnetic valve, the five-way electromagnetic valve has a parallel state shown in figure 3 and a series state shown in figure 4, and when the five-way electromagnetic valve is in the parallel state, the battery cooling circuit 7 and the motor electronic control cooling circuit 6 are connected in parallel; when the five-way electromagnetic valve is in a series connection state, the battery cooling loop 7 and the motor electric control cooling loop 6 are connected in series. Through the control to five-way solenoid valve, can realize the series connection of different cooling circuit, parallelly connected switching.
Specifically, referring to fig. 1-2, the cooling interface may include: the water outlet interface c of the motor loop is connected with a water return pipe of the motor electric control cooling loop 6, the water inlet interface d of the motor loop is connected with a water inlet pipe of the motor electric control cooling loop 6, the water outlet interface e of the battery loop is connected with a water return pipe of the battery cooling loop 7, and the water inlet interface f of the battery loop is connected with a water inlet pipe of the battery cooling loop 7.
The cooling interface may further include: the water outlet interface a of the heat dissipation loop is connected with a water outlet pipe of the radiator 5, and the water inlet interface b of the heat dissipation loop is connected with a water inlet pipe of the radiator 5.
A heat dissipation loop is formed among the heat dissipation loop water outlet interface a, the radiator 5 and the heat dissipation loop water inlet interface b, and when the heat dissipation loop is conducted, heat can be dissipated for the motor electric control cooling loop 6.
Further, referring to fig. 1-2 and 5, a first hole 91 is disposed on the motor circuit water outlet port c, a second hole 92 is disposed on the heat dissipation circuit water inlet port b, the first hole 91 and the second hole 92 are located in the cavity of the expansion tank 3, that is, the openings of the first hole 91 and the second hole 92 face the cavity of the expansion tank 3, that is, the first hole 91 and the second hole 92 are both communicated with the cavity of the expansion tank 3, and the cross-sectional area of the intersection of the motor circuit water outlet port c and the heat dissipation circuit water inlet port b is smaller than the cross-sectional area of the passage of the motor circuit water outlet port c, so that the coolant generates a sudden change at the intersection of the motor circuit water outlet port c and the heat dissipation circuit water inlet port b, resulting in a pressure difference between the first hole 91 and the second hole 92, that is a pressure difference between the motor circuit water outlet port c and the heat dissipation circuit water inlet port b, for example, referring to fig. 5, when the pressure of the first hole 91 is high and the pressure of the second hole 92 is low, a bypass water path small circulation is formed between the first hole 91 and the second hole 92 outside the motor circuit water outlet port c and the heat dissipation circuit water inlet port b: the water outlet interface c of the motor loop → the first hole 91 → the cavity of the expansion kettle 3 → the second hole 92 → the water inlet interface b of the heat dissipation loop, so that a small circulation is formed inside the cavity of the expansion kettle 3 for gas-liquid exchange, and the effects of water supplement and air exhaust are achieved.
For example, in the electronically controlled cooling circuit 6 of the electric motor, a small circulation is formed in the expansion tank 3 by using the pressure difference between the first hole 91 and the second hole 92 to perform gas-liquid exchange, and water supplement and air exhaust are performed, so as to fully exert the function of the expansion tank 3.
Referring to fig. 5, a partition plate 93 is disposed between the first hole 91 and the second hole 92, and the partition plate 93 may be a reinforcing rib on an inner wall of the cavity of the expansion tank 3 to enhance the strength and rigidity of the expansion tank 3. In some embodiments, the partition 93 may divide the water area, and the partition 93 is provided with a through hole for communicating the first hole 91 with the second hole 92 and allowing the water flow to pass through the through hole to realize a small circulation of the water flow between the first hole 91 and the second hole 92. In other alternative embodiments, the partition 93 does not completely divide the water area, and the bypass water path between the first and second holes 91 and 92 is only small enough to pass over the partition 93 from the edge of the partition 93, thereby lengthening and slowing the water flow path to facilitate separation of air bubbles from the liquid.
Control the coolant liquid flow direction through controlling the five-way solenoid valve, when the five-way solenoid valve is in parallel state, in the inside of five-way solenoid valve, heat dissipation circuit water outlet interface an switches on with motor circuit interface d of intaking, and battery circuit water outlet interface e switches on with battery circuit interface f of intaking, and at this moment, the coolant liquid flow direction in the battery cooling circuit 7 is: a battery loop water outlet interface e → a battery loop water inlet interface f → a battery loop water outlet interface e; the flow direction of the cooling liquid in the electric control cooling loop 6 of the motor is as follows: the battery cooling circuit 7 and the motor electric control cooling circuit 6 are connected in parallel and operate independently, and the heat dissipation loop dissipates heat for the motor electric control cooling circuit.
When the five-way solenoid valve is in a series state, in the interior of the five-way solenoid valve, the water outlet interface c of the motor loop is communicated with the water inlet interface f of the battery loop, the water outlet interface e of the battery loop is communicated with the water inlet interface d of the motor loop, and the flow direction of cooling liquid in the battery cooling loop 7 and the electric control cooling loop 6 of the motor is as follows: the motor loop water outlet interface c → the battery loop water inlet interface f → the battery loop water outlet interface e → the motor loop water inlet interface d → the motor loop water outlet interface c, the battery cooling loop 7 and the motor electric control cooling loop 6 are connected in series for operation, and at the moment, the motor waste heat recovery working condition is adopted, and the heat dissipation loop is disconnected.
The water replenishing and exhausting modes of the cooling circuit are as follows:
electric control cooling loop 6 of motor: by utilizing the pressure difference between the first hole 91 and the second hole 92, a small circulation is formed in the expansion kettle 3 for gas-liquid exchange, so that the effects of water supplement and air exhaust are achieved;
battery cooling circuit 7: when connected in series with the electronically controlled cooling circuit 6 of the motor, the pressure difference between the first hole 91 and the second hole 92 is used for water replenishment and air evacuation.
Specifically, the cooling circuit water pump can include battery circuit water pump 2 and motor automatically controlled return water pump 1, battery circuit water pump 2 sets up in battery cooling circuit 7, motor automatically controlled return water pump 1 sets up in motor automatically controlled cooling circuit 6, battery circuit water pump 2 and motor automatically controlled return water pump 1's impeller shell all integrate on the casing of expansion tank 3, the impeller shell has water inlet and delivery port, battery circuit water inlet interface f communicates with the water inlet of battery circuit water pump 2, motor circuit water inlet interface d communicates with the water inlet of motor automatically controlled return water pump 1.
As shown in fig. 2, the battery loop water pump 2 and the motor electric control loop water pump 1 are both integrated on the shell of the expansion tank 3, that is, the integrated expansion tank 10 shown in fig. 2 integrates the expansion tank 3, the cooling interface, the heating interface, the five-way electromagnetic valve, the battery loop water pump 2 and the motor electric control loop water pump 1, which is beneficial to reducing the number of parts and the number of connecting piece pipelines and saving the assembly process. Optionally, the housings of the battery loop water pump 2 and the motor electric control loop water pump 1 can be integrally injection-molded with the lower housing of the expansion kettle 3, and can also be connected by fasteners.
The heating interface includes: the heating and water supplementing connector h is communicated with the expansion kettle 3 and the heating loop 8, and the heating and air exhausting connector i is communicated with the expansion kettle 3 and the heating loop 8. And the heating loop 8 independently utilizes the heating water supplementing interface h to supplement water and utilizes the heating exhaust interface i to exhaust. A heating water pump 81 is provided in the heating loop 8, and the heating water pump 81 can provide power for the heating loop 8.
The parameters of the expansion kettle 3 such as structure, volume and the like can be changed according to the needs, the number of the cooling loops can be changed according to the needs, the number of the cooling loop water pumps can be kept consistent with the number of the cooling loops, the number of the cooling interfaces can be adaptively changed and adjusted according to the number of the cooling loops, and the five-way electromagnetic valve can also be changed into a three-way electromagnetic valve or a four-way electromagnetic valve according to the number of the cooling loops.
According to another aspect of the present invention, a vehicle includes the integrated expansion tank 10 for an electric vehicle of the above-described embodiment, the expansion kettle 3 is taken as the center, a battery loop water pump 2, a motor electric control loop water pump 1, a five-way solenoid valve, a cooling interface and a heating interface are integrated, a plurality of parts such as a plurality of expansion kettles, a three-way valve, a four-way valve and the like in the existing electric vehicle are integrated into the same integrated expansion kettle 10, the number of the parts is reduced, connecting pipelines among the parts are also saved, the pipeline connection is optimized, the arrangement and the part management are convenient, by switching the conduction state of the five-way electromagnetic valve, the integrated expansion kettle 10 can be ensured to simultaneously supplement water and exhaust air for three sets of cooling liquid circulation loops (namely the battery cooling loop 7, the motor electric control cooling loop 6 and the heating loop 8), and the integrated expansion kettle 10 shared by the three loops is formed.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. An integrated expansion tank for electric vehicles, comprising:
a multi-way valve (4);
the expansion kettle (3) is fixed with or integrally formed with a shell of the expansion kettle (3), a plurality of cooling interfaces communicated with a cooling loop of an electric automobile are further arranged on the shell of the expansion kettle (3), and the multi-way valve (4) is used for changing the conduction states of the plurality of cooling interfaces;
and the cooling loop water pump is arranged in the cooling loop, and a shell of the cooling loop water pump is fixed with a shell of the expansion kettle (3) or integrally formed.
2. The integrated expansion tank for electric vehicles according to claim 1, characterized in that said multi-way valve (4) and said plurality of cooling ports at least partially protrude into the shell of said expansion tank (3), and the portion of said plurality of cooling ports protruding into the shell of said expansion tank (3) is adapted to be connected with the portion of said multi-way valve (4) protruding into the shell of said expansion tank (3).
3. The integrated expansion tank for electric vehicles according to claim 1, characterized in that said cooling circuit comprises: a battery cooling circuit (7) and an electric motor control cooling circuit (6), the multi-way valve (4) having a parallel state in which the battery cooling circuit (7) and the electric motor control cooling circuit (6) are connected in parallel and having a series state in which the battery cooling circuit (7) and the electric motor control cooling circuit (6) are connected in series.
4. The integrated expansion tank for electric vehicles according to claim 3, wherein said cooling interface comprises: the water inlet of the motor loop is connected with the water outlet (c) of the motor loop, the water inlet (d) of the motor loop is connected with the water outlet (e) of the battery loop, and the water inlet (f) of the battery loop is connected with the water outlet (e) of the electric control cooling loop (6) of the motor loop.
5. The integrated expansion tank for electric vehicles according to claim 4, wherein said cooling interface further comprises: radiating loop goes out water interface (a), radiating loop interface (b) of intaking with the inside of motor circuit interface (c) of going out switches on, radiating loop goes out water interface (a) be provided with radiator (5) between radiating loop interface (b) of intaking, radiating loop goes out water interface (a) and connects the outlet pipe of radiator (5), radiating loop interface (b) of intaking is connected the inlet tube of radiator (5).
6. The integrated expansion kettle for electric vehicles as claimed in claim 5, wherein a first hole (91) is provided on the motor circuit water outlet port (c), a second hole (92) is provided on the heat dissipation circuit water inlet port (b), the first hole (91) and the second hole (92) are located in the cavity of the expansion kettle (3), and the cross-sectional area of the junction of the motor circuit water outlet port (c) and the heat dissipation circuit water inlet port (b) is smaller than the cross-sectional area of the channel of the motor circuit water outlet port (c).
7. The integrated expansion pot for electric vehicles according to claim 5 or 6, wherein the multi-way valve (4) is a five-way solenoid valve, when the five-way solenoid valve is in the parallel state, the heat dissipation loop water outlet port (a) is communicated with the motor loop water inlet port (d), and the battery loop water outlet port (e) is communicated with the battery loop water inlet port (f); when the five-way electromagnetic valve is in the series state, the water outlet interface (c) of the motor loop is communicated with the water inlet interface (f) of the battery loop, and the water outlet interface (e) of the battery loop is communicated with the water inlet interface (d) of the motor loop.
8. The integrated expansion tank for electric vehicles according to claim 4 or 5, wherein said cooling circuit water pump comprises: set up battery return circuit water pump (2) in battery cooling circuit (7) and set up and be in motor automatically controlled return circuit water pump (1) in motor automatically controlled cooling circuit (6), battery return circuit water pump (2) with the impeller shell of motor automatically controlled return circuit water pump (1) is all integrated on the casing of expansion kettle (3), the impeller shell has water inlet and delivery port, battery return circuit interface of intaking (f) with the water inlet intercommunication of battery return circuit water pump (2), motor return circuit interface of intaking (d) with the water inlet intercommunication of motor automatically controlled return circuit water pump (1).
9. The integrated expansion tank for electric vehicles according to claim 1, characterized in that the shell of the expansion tank (3) is further provided with a plurality of heating interfaces communicated with a heating loop (8) of the electric vehicle, and the heating interfaces comprise: heating moisturizing interface (h) and heating exhaust interface (i), heating moisturizing interface (h) intercommunication expansion kettle (3) with heating return circuit (8), heating exhaust interface (i) intercommunication expansion kettle (3) with heating return circuit (8).
10. An electric vehicle, characterized in that it comprises an integrated expansion tank for electric vehicles according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921452297.XU CN210941251U (en) | 2019-09-02 | 2019-09-02 | Integrated expansion kettle for electric automobile and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921452297.XU CN210941251U (en) | 2019-09-02 | 2019-09-02 | Integrated expansion kettle for electric automobile and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210941251U true CN210941251U (en) | 2020-07-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110481275A (en) * | 2019-09-02 | 2019-11-22 | 广州小鹏汽车科技有限公司 | Integrated form expansion tank and electric car for electric car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481275A (en) * | 2019-09-02 | 2019-11-22 | 广州小鹏汽车科技有限公司 | Integrated form expansion tank and electric car for electric car |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhaoqing Xiaopeng New Energy Investment Co.,Ltd. Assignor: GUANGZHOU XIAOPENG MOTORS TECHNOLOGY Co.,Ltd. Contract record no.: X2021990000645 Denomination of utility model: Integrated expansion kettle for electric vehicle and electric vehicle Granted publication date: 20200707 License type: Common License Record date: 20211018 |