CN215496857U - Hybrid vehicle exhaust heating battery pack device - Google Patents
Hybrid vehicle exhaust heating battery pack device Download PDFInfo
- Publication number
- CN215496857U CN215496857U CN202120938655.9U CN202120938655U CN215496857U CN 215496857 U CN215496857 U CN 215496857U CN 202120938655 U CN202120938655 U CN 202120938655U CN 215496857 U CN215496857 U CN 215496857U
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- Prior art keywords
- bottom plate
- battery pack
- air
- heat insulation
- air inlet
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 43
- 238000007664 blowing Methods 0.000 claims abstract description 27
- 238000013021 overheating Methods 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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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- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a hybrid electric vehicle exhaust heating battery pack device which comprises an air inlet pipe arranged on one side of a middle-section exhaust pipe, wherein the tail end of the air inlet pipe is communicated with a heat insulation bottom plate, a heating cavity is arranged in the heat insulation bottom plate, a blowing system for blowing air to the air inlet pipe is arranged on the other side of the middle-section exhaust pipe, the blowing system is connected with a controller, the heat insulation bottom plate is arranged under a battery pack at intervals, and an air outlet is arranged on the heat insulation bottom plate; according to the utility model, the battery pack is not heated by directly utilizing the hot gas discharged by the exhaust pipe, but the external cold air is introduced by adding the blowing system to control the heat of the air entering the heat insulation bottom plate, and then the battery pack is heated by the heat insulation bottom plate, so that the heat can be controlled by the controller, and the battery pack is not damaged due to overheating caused by directly heating the battery pack by tail gas.
Description
Technical Field
The utility model relates to the technical field of battery thermal management of hybrid vehicles, in particular to a battery pack heating device for tail gas of a hybrid vehicle.
Background
In the future and in the next few years, along with the increase of wealth brought by the continuous increase of the total production value (GDP) of China, the living standard of people is increasingly improved, the demand of automobiles will rise to the height of water ships, and the automobile industry will grow in the future. With the increasing requirements of the society on the environment, new energy automobiles become the trend of industry development, and various large automobile enterprises strive to develop own new energy automobiles, and hybrid automobiles which are used as traditional fuel and pure electric energy are also key development objects.
The environmental stress of the electric automobile is far less than that of the fuel automobile, but the battery pack is not beneficial to being used as a power source. When the weather is cold, especially winter in the north has more rigorous requirements on the discharge capacity of the battery pack, the discharge capacity of the battery pack is reduced under the low-temperature condition, and the phase change causes the reduction of the endurance capacity of the electric vehicle. The conventional electric automobile generally uses a PTC heater to heat a battery pack to reach the working temperature suitable for the battery, so that the energy is consumed, and the electric quantity of the battery pack is reduced; and other enterprises adopt fuel oil heaters, namely a set of fuel oil system is added, and the battery pack is heated by using the heat generated by fuel oil combustion, so that the mode is neither environment-friendly nor energy-saving.
The hybrid electric vehicle has two working modes of a fuel mode and a pure electric mode, and the fuel mode is generally used under the low-temperature condition. When the automobile starts, the engine works, fuel oil is combusted to generate a large amount of heat, most of the heat is discharged along with tail gas, and the high-temperature tail gas is used for heating the battery pack, so that multiple utilization of the tail gas is increased, and extra power consumption is not needed. The utility model patent of patent number 201721632253.6, the patent name "battery package heating device and power battery group" discloses the technique of utilizing automobile exhaust to add the thermal power battery, and its device is that the tail gas after directly utilizing the engine burning gives the battery package heating, and the heat of this kind of mode uncontrollable heating battery package very easily leads to the too high power of battery package temperature to descend and damage the battery package even.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a hybrid vehicle exhaust heating battery pack device capable of controlling heating heat.
In order to solve the technical problems, the technical scheme of the utility model is as follows: mix and move automobile exhaust heating battery package device, including installing the intake pipe in middle section blast pipe one side, the end intercommunication of intake pipe has thermal-insulated bottom plate, the inside heating chamber that is equipped with of thermal-insulated bottom plate, the opposite side installation of middle section blast pipe to the air-blowing system that the intake pipe bloied, air-blowing system is connected with the controller, install under the battery package thermal-insulated bottom plate interval, be equipped with the gas outlet on the thermal-insulated bottom plate.
As an optimized technical scheme, the air inlet pipe is positioned in the heat insulation bottom plate, air inlet branch pipes are arranged in the heat insulation bottom plate, the air inlet branch pipes are uniformly distributed on one side of the heat insulation bottom plate, and the air outlet is positioned on one side, opposite to the air inlet branch pipes, of the heat insulation bottom plate.
According to a preferable technical scheme, the blowing system comprises an air box, an air inlet is formed in the air box, an air blower is installed in the air box and connected with the controller, and an outlet of the air blower is communicated with the air inlet pipe.
Preferably, the blower is connected to a vehicle battery, and a control switch of the blower is installed in the cab.
As an optimal technical scheme, the distance between the heat insulation bottom plate and the battery pack is 5-15 mm.
Due to the adoption of the technical scheme, the hybrid electric vehicle exhaust heating battery pack device comprises an air inlet pipe arranged on one side of a middle-section exhaust pipe, the tail end of the air inlet pipe is communicated with a heat insulation bottom plate, a heating cavity is arranged in the heat insulation bottom plate, a blowing system blowing air to the air inlet pipe is arranged on the other side of the middle-section exhaust pipe, the blowing system is connected with a controller, the heat insulation bottom plate is arranged under a battery pack at intervals, and an air outlet is formed in the heat insulation bottom plate; the utility model has the beneficial effects that: in a low-temperature environment, a hybrid electric vehicle is started, a fuel mode works independently, fuel burns rapidly in the engine to generate a large amount of heat, most of the heat is discharged into a three-way catalyst through an exhaust port in the engine, high-temperature tail gas moves rapidly in the exhaust pipe and reaches the middle exhaust pipe below a vehicle body after passing through the three-way catalyst, after the tail gas reaches the middle exhaust pipe, the heat of heat radiation is still high, in order to avoid burning out a battery pack, the battery pack is generally arranged on one side deviated to the transverse direction of the vehicle body, the exhaust pipe is arranged on the other side far away from the battery pack, the blowing system is arranged on one side of the exhaust pipe at the longitudinal midpoint of the battery pack, the blowing system controls the air volume through the controller, and then controls the heat of hot air entering the heat insulation bottom plate to be used for sucking external air and then blowing the hot air to the exhaust pipe in an accelerating manner, air process after the heat radiation of blast pipe the intake pipe continues to blow to battery package below in the thermal-insulated bottom plate, for preventing that hot-air from discharging from the bottom, thermal-insulated bottom plate full coverage is in battery package bottom, just thermal-insulated bottom plate sets up with battery package interval, thermal-insulated bottom plate's the minimum ground clearance department of the equal non-vehicle of any point, just thermal-insulated bottom plate has certain intensity can protect the battery package. The air outlet may discharge the hot air after passing through the heat insulation floor. After the vehicle runs for a period of time, a driver detects that the temperature of the battery pack rises to a temperature capable of working normally, the vehicle is switched to a pure electric mode or a hybrid mode, and at the moment, the air blowing system is turned off. Therefore, the battery pack is not heated by the hot gas discharged by the exhaust pipe directly, the external cold air is introduced by adding the blowing system to control the heat of the air entering the heat insulation bottom plate, and then the battery pack is heated by the heat insulation bottom plate, so that the heat can be controlled by the controller, and the battery pack is not damaged due to overheating caused by direct heating of the battery pack by tail gas.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 11-middle section exhaust pipe; 12-a silencer; 20-air box; 21-an air inlet of the air blower; 22-blower blades; 23-a blower motor; 24-a blower air outlet; 30-a thermally insulating floor; 31-an intake pipe; 32-an intake manifold; 33-air outlet; 41-Battery pack.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, the hybrid electric vehicle exhaust gas heating battery pack device includes an air inlet pipe 31 installed at one side of a middle-stage exhaust pipe 11, the end of the air inlet pipe 31 is communicated with a heat insulation bottom plate 30, a heating cavity is arranged inside the heat insulation bottom plate 30, a blowing system for blowing air to the air inlet pipe 31 is installed at the other side of the middle-stage exhaust pipe 11, the blowing system is connected with a controller, the heat insulation bottom plate 30 is installed at intervals under a battery pack 41, and an air outlet 33 is arranged on the heat insulation bottom plate 30; in a low-temperature environment, a hybrid electric vehicle is started, a fuel mode works alone, fuel burns rapidly in an engine to generate a large amount of heat, tail gas moves rapidly in an exhaust pipe of an exhaust system and is finally exhausted through an exhaust tail pipe behind a silencer 12, most of the heat is exhausted into a three-way catalyst along with the tail gas through an exhaust port in the engine, high-temperature tail gas moves rapidly in the exhaust pipe and reaches the middle-section exhaust pipe 11 positioned below a vehicle body after passing through the three-way catalyst, after the tail gas reaches the middle-section exhaust pipe 11, the heat of thermal radiation is still high, in order to avoid burning out a battery pack 41, the battery pack 41 is generally arranged on one side deviated to the transverse direction of the vehicle body, the middle-section exhaust pipe 11 is positioned on the other side far away from the battery pack 41, the blowing system is arranged on one side of the middle-section exhaust pipe 11 at the longitudinal midpoint of the battery pack 41, and the blowing system controls the air volume through the controller, and then the control gets into the heat size of the air in the thermal-insulated bottom plate 30 for inhale after the outside air with higher speed blow to middle section blast pipe 11, later air process intake pipe 31 continues to blow to the battery package 41 below in the thermal-insulated bottom plate 30, for preventing that hot-air from discharging from the bottom, thermal-insulated bottom plate 30 all covers in battery package 41 bottom, just thermal-insulated bottom plate 30 sets up with battery package 41 interval, the minimum ground clearance department of the equal non-vehicle of any point of thermal-insulated bottom plate 30, just thermal-insulated bottom plate 30 has certain intensity can protect battery package 41. The air outlet 33 may discharge the hot air after passing through the heat insulation floor 30. After the vehicle runs for a period of time, the driver detects that the temperature of the battery pack 41 rises to a temperature capable of working normally, and switches to the pure electric mode or the hybrid mode, and at the moment, the air blowing system is turned off. The tail gas heating process of the utility model is as follows: the air is sucked, the high-temperature tail gas is heated, the hot gas is used for heating the battery pack 41, and the air is discharged. Therefore, in the utility model, the battery pack 41 is not heated by the hot gas discharged from the middle exhaust pipe 11, but the external cold air is introduced by adding the blowing system to control the heat of the air entering the heat insulation bottom plate 30, and then the battery pack 41 is heated by the heat insulation bottom plate 30, so that the heat can be controlled by the controller, and the battery pack 41 is not damaged due to overheating because the battery pack 41 is directly heated by the tail gas.
As shown in fig. 1, the air inlet pipe 31 is located inside the heat insulation bottom plate 30, air inlet branch pipes 32 are evenly distributed on one side of the heat insulation bottom plate 30, and the air outlet 33 is located on the opposite side of the heat insulation bottom plate 30 to the air inlet branch pipes 32. The air inlet branch pipes 32 are uniformly distributed on one side of the heat insulation bottom plate 30, and disperse heat entering the heat insulation bottom plate 30, so that the heat is uniformly conducted inside the heat insulation bottom plate 30 and finally discharged from the air outlet 33.
As shown in fig. 1, the blowing system includes a wind box 20, an air inlet is provided on the wind box 20, an air blower is installed in the wind box 20, the air blower is connected to the controller, and an outlet of the air blower is communicated with the air inlet pipe 31. The air blower is connected with a vehicle storage battery, and a control switch of the air blower is installed in the cab. The air box 20 is arranged on one side of the middle exhaust pipe 11 with the battery pack 41 as a longitudinal midpoint, the air blower and the air channel are arranged in the air box 20, the storage battery supplies power to the air blower, and the cab is provided with a switch for controlling the air blower. After the automobile runs, a control switch of the air blower is turned on, external fresh air enters the air blower air inlet 21, the air blower motor 23 drives the air blower blades 22 to rotate, and the sucked cold air is blown to the middle section exhaust pipe 11 through the air blower air outlet 24 in an accelerating mode by utilizing centrifugal force. A sheath is connected between the blower outlet 24 and the air inlet pipe 31, and the sheath surrounds the middle exhaust pipe 11, so that air blown out from the blower outlet 24 is fully heated by heat radiated outwards by the middle exhaust pipe 11 in the sheath and then blown towards the air inlet pipe 31, and the sheath is not shown in the figure and can adopt the prior art.
The distance between the heat insulation bottom plate 30 and the battery pack 41 is 5-15 mm. The heat insulation bottom plate 30 is disposed at an interval from the right below the battery pack 41, and the heat insulation bottom plate 30 covers the battery pack 41 to prevent the hot air from being discharged from the bottom. The heat of the thermal insulation base plate 30 is not directly transferred to the battery pack 41, but is spaced apart by a suitable heat radiation distance, preferably 10mm, which enables the heat of the thermal insulation base plate 30 to be radiated to the battery pack 41 to heat the battery pack 41, and does not cause excessive damage to the battery pack 41 or shorten the life of the battery pack 41. Any point of the heat insulation bottom plate 30 is not the minimum ground clearance of the vehicle, and the heat insulation bottom plate has certain strength to protect the battery pack 41. After the hot air heats the battery pack 41, the air is discharged through the air outlet 33 of the heat insulation bottom plate 30 without being catalytically processed.
After the vehicle runs for a period of time, the driver detects that the temperature of the battery pack 41 rises to the temperature capable of working normally, the vehicle is switched to the pure electric mode or the hybrid mode, and the driver controls the switch of the air blower to be turned off through the controller.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. Mix automobile exhaust heating battery package device, including installing the intake pipe in middle section blast pipe one side, the end intercommunication of intake pipe has thermal-insulated bottom plate, the inside heating chamber that is equipped with of thermal-insulated bottom plate, its characterized in that: the other side of the middle-section exhaust pipe is provided with a blowing system for blowing air to the air inlet pipe, the blowing system is connected with a controller, the heat insulation bottom plate is arranged under the battery pack at intervals, and the heat insulation bottom plate is provided with an air outlet.
2. The hybrid electric vehicle exhaust heating battery pack device according to claim 1, characterized in that: the air inlet pipe is located be equipped with air inlet branch in the thermal-insulated bottom plate, each air inlet branch equipartition is in one side of thermal-insulated bottom plate, the gas outlet is located on the thermal-insulated bottom plate with the opposite one side of air inlet branch.
3. The hybrid electric vehicle exhaust heating battery pack device according to claim 1, characterized in that: the blowing system comprises an air box, an air inlet is formed in the air box, an air blower is installed in the air box and connected with the controller, and an outlet of the air blower is communicated with the air inlet pipe.
4. The hybrid electric vehicle exhaust heating battery pack device according to claim 3, characterized in that: the air blower is connected with a vehicle storage battery, and a control switch of the air blower is installed in the cab.
5. The hybrid electric vehicle exhaust gas heating battery pack device according to any one of claims 1 to 4, characterized in that: the distance between the heat insulation bottom plate and the battery pack is 5-15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120938655.9U CN215496857U (en) | 2021-04-30 | 2021-04-30 | Hybrid vehicle exhaust heating battery pack device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120938655.9U CN215496857U (en) | 2021-04-30 | 2021-04-30 | Hybrid vehicle exhaust heating battery pack device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215496857U true CN215496857U (en) | 2022-01-11 |
Family
ID=79776902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120938655.9U Expired - Fee Related CN215496857U (en) | 2021-04-30 | 2021-04-30 | Hybrid vehicle exhaust heating battery pack device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215496857U (en) |
-
2021
- 2021-04-30 CN CN202120938655.9U patent/CN215496857U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |