CN215590535U - Double-cavity expansion water tank - Google Patents
Double-cavity expansion water tank Download PDFInfo
- Publication number
- CN215590535U CN215590535U CN202121143340.1U CN202121143340U CN215590535U CN 215590535 U CN215590535 U CN 215590535U CN 202121143340 U CN202121143340 U CN 202121143340U CN 215590535 U CN215590535 U CN 215590535U
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- CN
- China
- Prior art keywords
- cavity
- diaphragm
- liquid nitrogen
- liquid
- expansion tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 43
- 239000002826 coolant Substances 0.000 claims abstract description 16
- 239000000110 cooling liquid Substances 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 12
- 230000003020 moisturizing effect Effects 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 16
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000002309 gasification Methods 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model discloses a double-cavity expansion water tank, and belongs to the technical field of automobile equipment. Wherein, a two-chamber expansion tank, the diaphragm tank of installing on curb plate and thermal-insulated board has been designed, and install between the diaphragm tank, and cover the diaphragm of whole first cavity and second cavity cross section, thereby divide first cavity and second cavity into the liquid nitrogen cavity on upper portion and the coolant liquid cavity of lower part, when the temperature rises, liquid nitrogen gasification in the liquid nitrogen cavity, make the atmospheric pressure increase in the liquid nitrogen cavity, exert atmospheric pressure to the diaphragm, make its inflation, thereby make the coolant liquid pressurized entering outlet pipe in the coolant liquid cavity, thereby cool off in getting into cooling system, whole device need not exert power, the energy consumption is zero, and directly influenced by the temperature, high sensitivity, need not rely on electric power system, also can protect motor and battery system under the circumstances of not circular telegram.
Description
Technical Field
The utility model belongs to the technical field of automobile equipment, and particularly relates to a double-cavity expansion water tank.
Background
At present electric automobile is in the use, because of having more battery power system than traditional car, so need two kinds of different coolant liquids to provide the cooling for battery power system and motor system, current way is to change the single chamber expansion tank of traditional car into two-chamber expansion tank, adds different kinds and quantity's coolant liquid in two intracavity, utilizes the water pump to take out the coolant liquid from the expansion tank when motor and battery system overheat and gets into in the cooling system for battery and motor cooling, recycles the water pump after the cooling is accomplished and takes out the coolant liquid back in the expansion tank.
This kind of way need just begin to cool off the processing after the temperature control induction system who sets up in motor and battery system department sends overheat signal, in case the temperature control induction system became invalid or when the system shut down, ambient temperature was too high, also can't cool off, and power system equipment dependence is high to need provide extra power to the water pump, increased the energy consumption.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: a double-chamber expansion tank is provided to solve the above problems in the prior art.
The technical scheme is as follows: the utility model provides a two-chamber expansion tank, includes the thermal insulation board, fixed connection the first cavity and the second cavity of thermal insulation board both sides, fixed connection two blocks of curb plates of first cavity and second cavity side set up inlet tube on the curb plate sets up on the curb plate and be located the outlet pipe of inlet tube below cup joints inlet tube and the orificial water pipe connector of outlet pipe set up two liquid nitrogen valves of first cavity and second cavity upper surface set up first moisturizing mouth of a river of first cavity side upper surface sets up the second moisturizing mouth of a river of second cavity side upper surface, fixed connection two fixing bases that are used for wholly providing the holding power for expansion tank below first cavity and second cavity set up the inside expansion device of first cavity and second cavity.
In a further embodiment, the expansion device comprises two diaphragm grooves which are arranged on the inner wall of the upper half part of the side plate and on the corresponding horizontal positions of the heat insulation plate, and a diaphragm which is fixedly connected between the two diaphragm grooves and is used for isolating expansion gas and cooling liquid, so that the cooling liquid can not be mixed with liquid nitrogen, and the cooling effect is influenced.
In a further embodiment, a liquid nitrogen chamber is arranged above the diaphragm, a cooling liquid chamber is arranged below the diaphragm, the liquid nitrogen chamber is communicated with a liquid nitrogen valve, a temperature compensator for adjusting the temperature of liquid nitrogen is arranged in the liquid nitrogen chamber, and the cooling liquid chamber is communicated with the first water replenishing port and the second water replenishing port, so that cooling liquid and the liquid nitrogen can be replenished in time, and the cooling effect is ensured.
In a further embodiment, the height of the water inlet pipe on the side plate is lower than the height of the diaphragm groove on the side plate, and the maximum liquid level depth of the cooling liquid in the cooling liquid chamber is not higher than the height of the water inlet pipe on the side plate, so that the water inlet pipe can be prevented from being blocked, and meanwhile, the water inlet pipe can be ensured to smoothly circulate the cooling liquid to flow back into the cooling liquid chamber.
In a further embodiment, the membrane is arranged to isolate liquid flow but not heat transfer, and the expansion membrane, which has a greater elasticity, ensures that sufficient expansion pressure and negative pressure are provided to the coolant chamber when the liquid nitrogen chamber in the first and second chambers is vaporized.
In a further embodiment, the water pipe connector comprises a compensation port sleeved on the water inlet pipe and the water outlet pipe, a valve fixedly connected with the compensation port, a second compensation port fixedly connected with the other side of the drowned valve, and a tightening knob sleeved on the second compensation port, so that the water pipe of the cooling system can be clamped.
Has the advantages that: the utility model provides a two-chamber expansion tank, the diaphragm tank of installing on curb plate and heat insulation board has been designed, and install between the diaphragm tank, and cover the diaphragm of whole first cavity and second cavity cross section, thereby divide first cavity and second cavity into the liquid nitrogen cavity on upper portion and the coolant liquid cavity of lower part, when the temperature rises, liquid nitrogen gasification in the liquid nitrogen cavity, make the atmospheric pressure increase in the liquid nitrogen cavity, exert atmospheric pressure to the diaphragm, make its inflation, thereby make the coolant liquid pressurized entering outlet pipe in the coolant liquid cavity, thereby cool off in getting into cooling system, whole device need not exert power, the energy consumption is zero, and directly influenced by the temperature, high sensitivity, need not rely on electric power system, also can protect motor and battery system under the circumstances of not circular telegram.
Drawings
Fig. 1 is an external structural view of the present invention.
Fig. 2 is a schematic front view of the present invention.
FIG. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic view of the water pipe joint structure of the present invention.
The reference signs are: the device comprises a liquid nitrogen valve 1, a liquid nitrogen chamber 2, a diaphragm groove 3, a cooling liquid chamber 4, a first cavity 5, a second cavity 6, a heat insulation plate 7, a diaphragm 8, a first water replenishing port 9, a side plate 10, a water inlet pipe 11, a water pipe connector 12, a water outlet pipe 13, a fixed seat 14, a second water replenishing port 15, a valve 16, a first compensation port 17, a screwing knob 18, a second compensation port 19 and a temperature compensator 20.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.
As shown in fig. 1 to 3, a dual-chamber expansion tank is composed of a liquid nitrogen valve 1, a liquid nitrogen chamber 2, a diaphragm tank 3, a cooling liquid chamber 4, a first chamber 5, a second chamber 6, a heat insulation plate 7, a diaphragm 8, a first water replenishing port 9, a side plate 10, a water inlet pipe 11, a water pipe joint 12, a water outlet pipe 13, a fixed seat 14, a second water replenishing port 15, a valve 16, a first compensation port 17, a screwing knob 18, a second compensation port 19 and a temperature compensator 20.
As shown in fig. 1 to 3, a double-cavity expansion water tank comprises a heat insulation plate 7, a first cavity 5 and a second cavity 6 respectively arranged at two sides of the heat insulation plate 7, a side plate 10 fixedly connected at one side of the first cavity 5 and the second cavity 6, a diaphragm 8 groove 3 arranged at the same level height of the side plate 10 and the heat insulation plate 7, a diaphragm 8 fixedly connected between the diaphragm 8 groove 3, a liquid nitrogen cavity 2 arranged inside the first cavity 5 and the second cavity 6 and above the diaphragm 8, a cooling liquid cavity 4 arranged below the diaphragm 8, a water outlet pipe 13 and a water inlet pipe 11 arranged on the side plate 10, and the water inlet pipe 11 arranged below the diaphragm 8 groove 3, a liquid nitrogen valve 1 arranged on the upper surface of the first cavity 5 and the second cavity 6, the liquid nitrogen valve 1 communicated with the liquid nitrogen cavity 2, a temperature compensator 20 arranged inside the liquid nitrogen cavity 2, a first water replenishing port 9 and a second water replenishing port 15 arranged on the side surface of the first cavity 5 and the second cavity 6 respectively, first moisturizing mouth 9 and second moisturizing mouth 15 communicate first cavity 5 and the inside coolant liquid cavity 4 of second cavity 6 respectively, inlet tube 11 and outlet pipe 13 tip have cup jointed water pipe head 12, water pipe head 12 includes the first compensation mouth 17 of cover machine on delivery port and water inlet, the valve 16 of the first compensation mouth 17 of fixed connection, the second compensation mouth 19 of fixed connection valve 16, cup joint the knob 18 of screwing up on second compensation mouth 19, first cavity 5 and second cavity 6 below are provided with fixing base 14.
As a preferable scheme, a general double-chamber expansion tank needs to rely on a temperature sensor to distinguish whether a motor and a battery system need to be cooled, and when the expansion tank is used, a water pump is used for pumping and returning cooling liquid in the expansion tank, the expansion tank is extremely dependent on an electrical equipment system, the expansion tank cannot be used without power supply, and the expansion tank cannot effectively protect the electrical power and the battery system in a special environment, such as a place with extremely high temperature. The utility model designs a diaphragm 8 with larger elasticity between a diaphragm 8 groove 3 and a diaphragm 8 which is arranged between the diaphragm 8 groove 3, when the temperature is increased, under the auxiliary action of a temperature compensator 20, the temperature in a liquid nitrogen chamber 2 is adjusted to be more than the liquid nitrogen gasification critical point, so that the liquid nitrogen is gasified, the air pressure in the liquid nitrogen chamber 2 is increased, the diaphragm 8 generates pressure to the diaphragm 8, so that the diaphragm 8 expands to a cooling liquid chamber, the cooling liquid is extruded to a water outlet pipe 13 and enters a cooling system through a water pipe joint 12, after the cooling is finished, the temperature is reduced, under the action of the temperature compensator 20, nitrogen is liquefied again, the air pressure is reduced, finally, the diaphragm 8 generates negative pressure to the diaphragm 8, the diaphragm 8 generates elastic change to the liquid nitrogen chamber 2, finally generates negative pressure in a cooling liquid chamber 4, and generates suction to a water inlet pipe 11, so that the cooling liquid flows back.
The working principle of the double-cavity expansion water tank is as follows:
installing a double-cavity expansion water tank near a motor and a battery unit of an electric automobile, connecting a water pipe at a water pipe joint 12 of the double-cavity expansion water tank, and surrounding the motor and the battery unit to form a cooling system, adding a pre-calculated required liquid nitrogen amount into two liquid nitrogen chambers 2 of the double-cavity expansion water tank through a liquid nitrogen valve 1, adding different types and amounts of cooling liquids respectively adaptive to the motor and the battery unit into the two cooling liquid chambers 4 through a first water replenishing port 9 and a second water replenishing port 15, and gasifying the liquid nitrogen in the liquid nitrogen chambers 2 under the action of a temperature compensator 20 when the motor or the battery unit is over-high in temperature whether to electrify or not so as to change the air pressure in the chambers and enable a diaphragm 8 to generate pressure on the cooling liquid chambers 4, thereby extruding the cooling liquid out of a water outlet pipe 13 and entering the cooling system through the water pipe joint 12 to cool the battery or the motor unit, after the cooling, because of the temperature drop, nitrogen gas liquefies again under temperature compensator 20's effect, makes the interior row of cavity become the negative pressure to make the coolant liquid pass through inlet tube 11 and be pumped into coolant liquid cavity 4, go into the backward flow, heat-insulating plate 7 between two cavitys has also guaranteed mutual noninterference between the cavity, can effectively carry out the cooling operation to two different units.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (6)
1. A double-chamber expansion tank is characterized in that: including the thermal insulation board, fixed connection the first cavity and the second cavity of thermal insulation board both sides, fixed connection two blocks of curb plates of first cavity and second cavity side set up inlet tube on the curb plate sets up and be located on the curb plate and be located the outlet pipe of inlet tube below cup joints inlet tube and the orificial water pipe connector of outlet pipe set up two liquid nitrogen valves of first cavity and second cavity upper surface set up to be in the first moisturizing mouth of first cavity side upper surface sets up the second moisturizing mouth of second cavity side upper surface, fixed connection two fixing bases that are used for wholly providing the holding power for expansion tank below first cavity and the second cavity set up the inside expansion device of first cavity and second cavity.
2. The double chamber expansion tank of claim 1, wherein: the expansion device comprises two diaphragm grooves which are arranged on the inner wall of the upper half part of the side plate and on the corresponding horizontal position of the heat insulation plate, and a diaphragm which is fixedly connected between the two diaphragm grooves and is used for isolating expansion gas and cooling liquid.
3. The double chamber expansion tank of claim 2, wherein: the diaphragm top sets up to the liquid nitrogen cavity, the diaphragm below sets up to the coolant liquid cavity, the liquid nitrogen cavity intercommunication liquid nitrogen valve, the inside temperature compensator that is used for adjusting the liquid nitrogen temperature that is provided with of liquid nitrogen cavity, the first mouth of a river and the second mouth of a river of mending are mended to the coolant liquid cavity intercommunication.
4. The double chamber expansion tank of claim 1, wherein: the height of the water inlet pipe on the side plate is lower than that of the diaphragm groove on the side plate, and the maximum liquid level depth of the cooling liquid in the cooling liquid chamber is not higher than that of the water inlet pipe on the side plate.
5. The double chamber expansion tank of claim 2, wherein: the membrane is configured to isolate liquid flow but not heat transfer and has a more elastic expandable membrane.
6. The double chamber expansion tank of claim 1, wherein: the water pipe joint comprises a compensation port sleeved on the water inlet pipe and the water outlet pipe, a valve fixedly connected with the compensation port, a second compensation port fixedly connected with the other side of the drowned valve, and a screwing knob sleeved on the second compensation port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121143340.1U CN215590535U (en) | 2021-05-26 | 2021-05-26 | Double-cavity expansion water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121143340.1U CN215590535U (en) | 2021-05-26 | 2021-05-26 | Double-cavity expansion water tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215590535U true CN215590535U (en) | 2022-01-21 |
Family
ID=79874133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121143340.1U Expired - Fee Related CN215590535U (en) | 2021-05-26 | 2021-05-26 | Double-cavity expansion water tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215590535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117739544A (en) * | 2024-02-19 | 2024-03-22 | 浙江飞旋科技有限公司 | Refrigerating and heating system, working method and air conditioner |
-
2021
- 2021-05-26 CN CN202121143340.1U patent/CN215590535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117739544A (en) * | 2024-02-19 | 2024-03-22 | 浙江飞旋科技有限公司 | Refrigerating and heating system, working method and air conditioner |
| CN117739544B (en) * | 2024-02-19 | 2024-05-14 | 浙江飞旋科技有限公司 | Refrigerating and heating system, working method and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220209 Address after: A5a03, No.8, exploratory Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi hongzhichuang Auto Parts Co.,Ltd. Address before: 214174 Luoshe supporting area (Zhenbei Village), Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: Wuxi Lingqiao mechanical equipment manufacturing Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |