CN210325941U - Power battery box of gas-electric hybrid passenger car - Google Patents
Power battery box of gas-electric hybrid passenger car Download PDFInfo
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- CN210325941U CN210325941U CN201921648218.2U CN201921648218U CN210325941U CN 210325941 U CN210325941 U CN 210325941U CN 201921648218 U CN201921648218 U CN 201921648218U CN 210325941 U CN210325941 U CN 210325941U
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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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Abstract
The utility model discloses a power battery box of a gas-electric hybrid passenger car, which comprises a box body, two air inlets and an air outlet, wherein a cooling fan is arranged at the air outlet; the battery pack comprises a box body, a plurality of battery monomers, a plurality of air ducts and a plurality of air ducts, wherein the plurality of battery monomers are arranged in the box body, two ventilation channels are respectively formed between two sides of the interior of the box body and gaps between two sides of the battery monomers, and a transition air duct is formed between the gaps between the plurality of battery monomers in the box body; the two air inlets are respectively arranged at the end part of one ventilation channel, and the two air inlets are positioned at the opposite ends of the ventilation channel; air inlet control valves for controlling the opening or closing of the air inlets are arranged at the two air inlets; and an air outlet channel is arranged between the air outlet and the two air inlets, and an air outlet control valve for controlling the opening or closing of the air outlet channel is arranged on the air outlet channel. The utility model discloses a radiating effect is good, reduces the free temperature of battery in the battery box effectively and reduces the difference in temperature between each battery monomer.
Description
Technical Field
The utility model relates to a gas-electricity hybrid passenger train equipment, concretely relates to power battery box of gas-electricity hybrid passenger train.
Background
The gas-electric hybrid power bus uses natural gas or liquefied petroleum gas as engine energy source, and matches with motor to drive vehicle together, and several domestic cities are already in use, and it has good endurance mileage and higher gas-saving rate, so that it is the preferential choice of urban bus.
Because the battery of the passenger car is frequently charged and discharged, the battery generates a large amount of heat due to the intense electrochemical action in the battery, so that the battery of the passenger car is overheated occasionally, and the overheating of the battery can seriously restrict the improvement of the power performance and the energy saving rate of the battery; therefore, it is important to effectively dissipate heat from the battery of the passenger car.
The utility model provides a concrete battery box, inlet air channel wherein and air-out passageway set up to the wedge, along the flow direction of air promptly, the clearance of inlet air channel and air-out passageway dwindles gradually to produce the water conservancy diversion effect to the air in the battery box, adjust the upper and lower pressure difference in wind channel between each battery monomer, thereby let each battery monomer can the even heat dissipation, reduce the difference in temperature and improve the radiating effect.
However, with the increase of the current, the heat generation amount of the battery increases by the multiple of the square of the current, and meanwhile, the number of the batteries needing heat dissipation in the battery box is large, the size of the box body space is large, it is difficult to achieve the uniformity of the air flow rate inside the whole battery box and each air duct, and it is difficult to make the air inside the battery box have a sufficiently large flow rate to dissipate the heat of the battery cells.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's is not enough, provides a power battery box of gas-electricity hybrid passenger train, and this power battery box's radiating effect is good, reduces the free temperature of battery in the battery box effectively and reduces the difference in temperature between each battery monomer.
The purpose of the utility model is realized through the following technical scheme:
the power battery box of the gas-electric hybrid passenger car is characterized by comprising a box body, two air inlets and an air outlet, wherein a cooling fan is arranged at the air outlet; the battery pack comprises a box body, a plurality of battery monomers, a plurality of air ducts and a plurality of air ducts, wherein the plurality of battery monomers are arranged in the box body, two ventilation channels are respectively formed between two sides of the interior of the box body and gaps between two sides of the battery monomers, and a transition air duct is formed between the gaps between the plurality of battery monomers in the box body; the two air inlets are respectively arranged at the end part of one ventilation channel, and the two air inlets are positioned at the opposite ends of the ventilation channel; air inlet control valves for controlling the opening or closing of the air inlets are arranged at the two air inlets; and an air outlet channel is arranged between the air outlet and the two air inlets, and an air outlet control valve for controlling the opening or closing of the air outlet channel is arranged on the air outlet channel.
The working principle of the power battery box of the gas-electric hybrid passenger car is as follows:
the two air inlets are respectively a first air inlet and a second air inlet; the air outlet channel communicated with the first air inlet is a first air outlet channel, and the air outlet channel communicated with the second air inlet is a second air outlet channel. When the air conditioner works, firstly, an air inlet control valve at a first air inlet and an air outlet control valve at a second air outlet channel are opened, and the air inlet control valve at the second air inlet and the air outlet control valve at the first air outlet channel are kept closed; at the moment, the heat radiation fan at the air outlet works, air outside the battery box enters the battery box through the first air inlet and flows along the ventilation channel corresponding to the first air inlet, and at the moment, because the air outlet control valve at the first air outlet channel is kept closed, the external air only flows to the other ventilation channel along the ventilation channel after entering the battery box and cannot be shunted to the first air outlet channel; meanwhile, the air in the battery box flows to the other ventilation channel (the ventilation channel corresponding to the second air inlet) through the transition channel, and after the air flows to the ventilation channel corresponding to the second air inlet, the air inlet control valve at the second air inlet is kept closed, so that the air in the battery box can be discharged outwards only through the second air outlet channel and the air outlet under the air draft effect of the cooling fan; under this operating condition, outside air enters into the battery box inside back through first air intake, so constantly in proper order through ventilation passageway, transition passageway, ventilation passageway and second air-out passageway to outwards discharge through the air outlet at last, thereby realize the free heat dissipation of battery and handle.
After the air conditioner operates for a period of time under the working state, the air inlet control valve at the first air inlet and the air outlet control valve at the second air outlet channel are closed, and the air inlet control valve at the second air inlet and the air outlet control valve at the first air outlet channel are opened. At this moment, under radiator fan's operation, outside air enters into inside the battery box through the second air intake to pass through ventilation passageway, transition passageway, ventilation passageway and first air-out passageway with this, and outwards discharge through the air outlet at last, thereby realize the free heat dissipation of battery and handle. Like this constantly intermittent type formula adjustment air inlet control valve and air-out control valve to change the air flow direction (the air supply direction) in air inlet direction and the battery box, thereby let the air fully and evenly flow between each battery monomer in the battery box, and then can take away the heat uniformly, effectively improved the cooling effect and reduced the difference in temperature between each battery monomer.
In a preferred embodiment of the present invention, the two air inlets are respectively disposed at the end portions of the two ventilation channels; along the free direction of arranging of battery, two ventilation channels reduce along two opposite directions respectively gradually, and two air intakes all set up great tip department in the ventilation channel that corresponds. The ventilation channel has a guiding effect on the air flow in the battery box, so that the gradually-reduced ventilation channel enables the air flow speed to be faster and faster, meanwhile, the air inlet is arranged at the larger end part of the ventilation channel, the air flow speed of the internal area of the box body far away from the air inlet can be increased, the heat dissipation effect of a battery monomer far away from the air inlet can be improved, and the larger part of the ventilation channel of the air inlet can facilitate external air to quickly enter the battery box, so that the aim of quickly cooling is fulfilled; and set up two ventilation channel into respectively and dwindle along opposite direction gradually, namely make two ventilation channel centrosymmetric settings, can let the less section in clearance of one of them ventilation channel and another ventilation channel's the great section in clearance correspond to each other to the air pressure differential of each battery monomer both sides has been adjusted, and it is unanimous to guarantee every free radiating effect of battery, and then has reduced the difference in temperature between the battery monomer.
In a preferred scheme of the utility model, the two air inlets are both provided with a three-way connecting valve, and the connecting ports of the three-way connecting valve are respectively connected with the air inlet, the ventilation channel and the air outlet channel; the three-way connecting valve forms an air inlet control valve and an air outlet control valve. The air inlet, the ventilation channel and the air outlet channel are connected and controlled through the tee joint, the structure is simple, and the operation is convenient.
In a preferred embodiment of the present invention, the air outlet is provided with a connection channel, and the heat dissipation fan is disposed on the connection channel; one end of the air outlet channel is communicated with the air inlet, and the other end of the air outlet channel is communicated with the connecting channel. Through the arrangement of the connecting channel, the tail ends of the air outlet channels communicated with the two air inlets are converged, so that negative pressure can be formed in the battery box under the suction action of a cooling fan, and external air can enter the battery box for cooling treatment; meanwhile, the arrangement of the connecting channel is convenient for the arrangement of the heat radiation fan.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses an adjustment air inlet control valve and air-out control valve realize the alternate transform of air supply direction to change the air flow direction in air inlet direction and the battery box, let the air flow between each battery monomer fully in the battery box, and then take away the heat, effectively improved the cooling effect.
2. The air supply direction of external air alternately changes and shuttles back and forth in the battery box under the control of the air inlet control valve and the air outlet control valve, so that each battery monomer in the battery box can uniformly dissipate heat; compared with the method that the external air always shuttles in the battery box in the only direction, the method can avoid the problem that a large temperature difference is formed due to poor heat dissipation effect of a single battery in a certain area in the battery box; the temperature difference between the single batteries can be reduced, and the battery performance can be improved.
Drawings
Fig. 1-2 are schematic structural diagrams of a first embodiment of the present invention, wherein fig. 1 is a top view of a first air inlet control valve and a second air outlet control valve being opened, and the second air inlet control valve and the first air outlet control valve being kept closed; fig. 2 is a plan view of the first inlet air control valve and the second outlet air control valve kept closed, and the second inlet air control valve and the first outlet air control valve are opened.
Fig. 3-4 are schematic structural diagrams of a second embodiment of the battery box of the gas-electric hybrid passenger car according to the present invention, wherein fig. 3 is a top view of the battery box in a state where the first air inlet control valve and the second air outlet control valve are opened and the second air inlet control valve and the first air outlet control valve are kept closed; fig. 4 is a plan view of the first inlet control valve and the second outlet control valve being kept closed, and the second inlet control valve and the first outlet control valve being opened.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Example 1
Referring to fig. 1-2, the power battery box of the gas-electric hybrid passenger car of the embodiment includes a box body 4, two air inlets 1 and an air outlet 10, and a heat dissipation fan 5 is disposed at the air outlet 10; the battery units 6 are arranged in the box body 4, two ventilation channels 7 are respectively formed in gaps between two sides of the interior of the box body 4 and two sides of each battery unit 6, and a transition air duct is formed in the gap between the battery units 6 in the box body 4; the two air inlets 1 are respectively arranged at the end part of one ventilation channel 7, and the two air inlets 1 are positioned at the opposite ends of the ventilation channel 7; air inlet control valves 9 for controlling the air inlets 1 to open or close are arranged at the two air inlets 1; an air outlet channel 2 is arranged between the air outlet 10 and the two air inlets 1, and an air outlet control valve 8 for controlling the opening or closing of the air outlet channel 2 is arranged on the air outlet channel 2.
Referring to fig. 1-2, a three-way connection valve is arranged at each of the two air inlets 1, and a connection port of the three-way connection valve is respectively connected with the air inlets 1, the ventilation channel 7 and the air outlet channel 2; the three-way connecting valve forms an air inlet control valve 9 and an air outlet control valve 8. The air inlet 1, the ventilation channel 7 and the air outlet channel 2 are connected and controlled through the tee joint, the structure is simple, and the operation is convenient.
Referring to fig. 1-2, a connecting channel 3 is disposed at the air outlet 10, and the heat dissipation fan 5 is disposed on the connecting channel 3; one end of the air outlet channel 2 is communicated with the air inlet 1, and the other end of the air outlet channel is communicated with the connecting channel 3. The tail ends of the air outlet channels 2 communicated with the two air inlets 1 are converged by the arrangement of the connecting channel 3, so that negative pressure can be formed in the battery box under the suction action of a cooling fan 5, and external air can enter the battery box for cooling treatment; meanwhile, the provision of the connection passage 3 facilitates the provision of the heat dissipation fan 5.
Referring to fig. 1-2, the working principle of the power battery box of the gas-electric hybrid passenger car of the embodiment is as follows:
the two air inlets 1 are respectively a first air inlet and a second air inlet; the air outlet channel 2 communicated with the first air inlet is a first air outlet channel, and the air outlet channel 2 communicated with the second air inlet is a second air outlet channel. When the air conditioner works, firstly, the air inlet control valve 9 at the first air inlet and the air outlet control valve 8 at the second air outlet channel are opened, and the air inlet control valve 9 at the second air inlet and the air outlet control valve 8 at the first air outlet channel are kept closed (as shown in figure 1); at this time, the heat dissipation fan 5 at the air outlet 10 works, air outside the battery box enters the battery box through the first air inlet and flows along the ventilation channel 7 corresponding to the first air inlet, and at this time, because the air outlet control valve 8 at the first air outlet channel is kept closed, the external air only flows along the ventilation channel 7 to the other ventilation channel 7 after entering the battery box and cannot be shunted to the first air outlet channel; meanwhile, the air in the battery box flows to another ventilation channel 7 (the ventilation channel 7 corresponding to the second air inlet) through the transition channel, and after the air flows to the ventilation channel 7 corresponding to the second air inlet, because the air inlet control valve 9 at the second air inlet is kept closed, the air in the battery box can be discharged outwards only through the second air outlet channel and the air outlet 10 under the air draft effect of the cooling fan 5; under this operating condition, outside air enters into the battery box inside back through first air intake, so constantly in proper order through ventilation passageway 7, transition passageway, ventilation passageway 7 and second air-out passageway to outwards discharge through air outlet 10 at last, thereby realize the heat dissipation to battery monomer 6 and handle.
After the air conditioner operates for a period of time in the working state, the air inlet control valve 9 at the first air inlet and the air outlet control valve 8 at the second air outlet channel are closed, and the air inlet control valve 9 at the second air inlet and the air outlet control valve 8 at the first air outlet channel are opened (as shown in fig. 2). At this moment, under the operation of the cooling fan 5, the outside air enters the battery box through the second air inlet, passes through the ventilation channel 7, the transition channel, the ventilation channel 7 and the first air outlet channel, and is finally discharged outside through the air outlet 10, so that the heat dissipation treatment of the battery cell 6 is realized. Like this constantly intermittent type formula adjustment air inlet control valve 9 and air-out control valve 8 to change the air flow direction (the air supply direction) in air inlet direction and the battery box, thereby let the air fully and evenly flow between each battery monomer 6 in the battery box, and then can take away the heat uniformly, effectively improved the cooling effect and reduced the difference in temperature between each battery monomer 6.
Example 2
Referring to fig. 3 to 4, the present embodiment is different from embodiment 1 in that the two air inlets 1 are respectively provided at the ends of two ventilation passages 7; along the arrangement direction of the battery cells 6, the two ventilation channels 7 respectively taper in two opposite directions, and the two air inlets 1 are both arranged at the larger end of the corresponding ventilation channel 7. By arranging the ventilation channel 7, the air flow in the battery box is guided, so that the gradually reduced ventilation channel 7 enables the air flow speed to be faster and faster, meanwhile, the air inlet 1 is arranged at the larger end part of the ventilation channel 7, the air flow speed in the inner area of the box body 4 far away from the air inlet 1 can be increased, the heat dissipation effect of the battery monomer 6 far away from the air inlet 1 can be improved, and the air inlet 1 can be beneficial to external air to rapidly enter the battery box at the larger part of the ventilation channel 7, so that the purpose of rapid cooling is achieved; and set up two ventilation channel 7 to reduce along opposite direction respectively gradually, make two ventilation channel 7 centrosymmetric settings, can let the less section in clearance of one of them ventilation channel 7 and the great section in clearance of another ventilation channel 7 correspond to each other to the air pressure difference of each battery monomer 6 both sides has been adjusted, and the radiating effect of guaranteeing every battery monomer 6 is unanimous, and then has reduced the difference in temperature between the battery monomer 6. Specifically, no matter air enters the ventilation channel 7 from any one of the air inlets 1, the width of the ventilation channel 7 is gradually reduced and is reversely matched with the other ventilation channel 7 along the flowing direction of the air, so that the air pressure difference between two ends of the gap between the battery monomers 6 is adjusted, the pressure difference between two sides of the inlet and the outlet of the gap between the battery monomers 6 is ensured to be consistent, the heat dissipation effect of the battery monomers 6 is enabled to be consistent, and the temperature difference between the battery monomers 6 is reduced.
The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (4)
1. The power battery box of the gas-electric hybrid passenger car is characterized by comprising a box body, two air inlets and an air outlet, wherein a cooling fan is arranged at the air outlet; the battery pack comprises a box body, a plurality of battery monomers, a plurality of air ducts and a plurality of air ducts, wherein the plurality of battery monomers are arranged in the box body, two ventilation channels are respectively formed between two sides of the interior of the box body and gaps between two sides of the battery monomers, and a transition air duct is formed between the gaps between the plurality of battery monomers in the box body; the two air inlets are respectively arranged at the end part of one ventilation channel, and the two air inlets are positioned at the opposite ends of the ventilation channel; air inlet control valves for controlling the opening or closing of the air inlets are arranged at the two air inlets; and an air outlet channel is arranged between the air outlet and the two air inlets, and an air outlet control valve for controlling the opening or closing of the air outlet channel is arranged on the air outlet channel.
2. The power battery box of a gas-electric hybrid passenger vehicle according to claim 1, wherein the two air inlets are respectively provided at ends of two ventilation passages; along the free direction of arranging of battery, two ventilation channels reduce along two opposite directions respectively gradually, and two air intakes all set up great tip department in the ventilation channel that corresponds.
3. The power battery box of a gas-electric hybrid passenger car according to claim 1, wherein a three-way connection valve is arranged at each of the two air inlets, and the connection ports of the three-way connection valve are respectively connected with the air inlet, the ventilation channel and the air outlet channel; the three-way connecting valve forms an air inlet control valve and an air outlet control valve.
4. The power battery box of the gas-electric hybrid passenger car according to claim 1, wherein a connecting channel is provided at the air outlet, and the cooling fan is provided on the connecting channel; one end of the air outlet channel is communicated with the air inlet, and the other end of the air outlet channel is communicated with the connecting channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648218.2U CN210325941U (en) | 2019-09-29 | 2019-09-29 | Power battery box of gas-electric hybrid passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648218.2U CN210325941U (en) | 2019-09-29 | 2019-09-29 | Power battery box of gas-electric hybrid passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210325941U true CN210325941U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921648218.2U Active CN210325941U (en) | 2019-09-29 | 2019-09-29 | Power battery box of gas-electric hybrid passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210325941U (en) |
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2019
- 2019-09-29 CN CN201921648218.2U patent/CN210325941U/en active Active
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