CN111114267B - Heat dissipation device and heat dissipation method of vehicle-mounted liquid cooling system - Google Patents
Heat dissipation device and heat dissipation method of vehicle-mounted liquid cooling system Download PDFInfo
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- CN111114267B CN111114267B CN202010053109.7A CN202010053109A CN111114267B CN 111114267 B CN111114267 B CN 111114267B CN 202010053109 A CN202010053109 A CN 202010053109A CN 111114267 B CN111114267 B CN 111114267B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a heat dissipation device and a heat dissipation method of a vehicle-mounted liquid cooling system. The liquid tank is used for being communicated with a circulating pipeline of cooling liquid, the top cover and the upper surface of the liquid tank jointly form a traveling wind channel for traveling wind of a vehicle to pass through, a plurality of first heat dissipation plates which are parallel to each other and connected with the upper surface of the liquid tank are arranged in the traveling wind channel, and the first heat dissipation plates are arranged along the extending direction of the traveling wind channel. A plurality of second heating panels which are parallel to each other and connected with the lower surface of the liquid box are arranged in the air box, the second heating panels are arranged along the direction perpendicular to the first heating panels, the air inlet of the air box is located on the bottom surface, the air outlet is located on the side surface corresponding to the end portion of the second heating panels, and a fan (3) is arranged at the air outlet. By adopting the heat dissipation device provided by the invention, the dependence degree on the heat dissipation fan can be reduced, the reduction of energy consumption is facilitated, and the overlarge noise of the fan is avoided.
Description
Technical Field
The invention relates to the technical field of vehicle cooling systems, in particular to a heat dissipation device and a heat dissipation method of a vehicle-mounted liquid cooling system.
Background
Some high-power devices on the vehicle, such as a vehicle-mounted energy storage device (a lithium battery or a fuel battery), a traction motor and the like, can generate a large amount of heat in the working process, and are mostly cooled in a liquid cooling mode. In the current vehicle-mounted liquid cooling system, cooling liquid flows into the heat dissipation water tank after flowing through a cooled object, the heat dissipation fan forces the heat dissipation water tank to perform air cooling heat dissipation, and then the cooling liquid in the heat dissipation water tank flows back to the cooled object again, so that the cooled object is subjected to heat dissipation through the circulating flow of the cooling liquid.
The current vehicle-mounted liquid cooling system has the following defects: a. aiming at the condition of large heat dissipation demand, the problem can be solved only by increasing the power and the size of a heat dissipation fan, and the energy consumption is increased; b. in order to improve the heat dissipation efficiency, the rotating speed of the fan is often required to be increased, which causes the fan to have higher noise during working and is not beneficial to vehicle noise control; c. the dependence on the cooling fan is very high, and once the cooling fan breaks down, the cooled object cannot work normally due to overhigh temperature.
Therefore, how to improve the vehicle-mounted liquid cooling system to reduce the degree of dependence on the cooling fan, reduce energy consumption and avoid excessive fan noise becomes a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a heat dissipation device and a heat dissipation method for a vehicle-mounted liquid cooling system, which can reduce the degree of dependence on a heat dissipation fan, and are beneficial to reducing energy consumption and avoiding overlarge fan noise.
In order to achieve the purpose, the invention provides the following technical scheme:
a heat dissipation device of an on-board liquid cooling system comprises:
a liquid tank communicating with a circulation line of the cooling liquid, the liquid tank being horizontally arranged;
the top cover covers the upper surface of the liquid tank, the top cover and the upper surface of the liquid tank jointly enclose a traveling wind channel for traveling wind of a vehicle to pass through, a plurality of parallel first heat dissipation plates connected with the upper surface of the liquid tank are arranged in the traveling wind channel, and the first heat dissipation plates are arranged along the extending direction of the traveling wind channel;
the air box is located below the liquid box, a plurality of second heating panels which are parallel to each other and connected with the lower surface of the liquid box are arranged in the air box, the second heating panels are perpendicular to the first heating panels, the air inlet of the air box is located in the bottom surface, the air outlet is located in the side face corresponding to the end portion of each second heating panel, and the fan is arranged at the air outlet.
Alternatively, in the above heat dissipation device, the air inlet of the air box includes a natural air inlet through which natural air passes and a waste air outlet through which waste air of the vehicle-mounted air conditioner passes.
Optionally, in the above heat dissipation device, the natural air inlet is located in a middle of the air box, and the waste air outlet is located between the natural air inlet and the fan.
Optionally, in the above heat dissipation device, a partition board vertically intersecting with the second heat dissipation board is disposed in the air box, one end of the partition board is located in the middle of the side where the fan is located, the other end of the partition board is located between the natural air inlet and the waste air outlet on the bottom surface, and the partition board divides the inner cavity of the air box into a natural air channel and a waste air exhaust channel.
Optionally, in the above heat dissipation device, the partition plate has a right-angle bend, the right-angle bend divides the partition plate into a horizontal portion and a vertical portion, the horizontal portion is parallel to the bottom surface of the wind box, and the vertical portion is parallel to the side surface where the fan is located.
Optionally, in the heat dissipation device, a valve for adjusting the amount of intake air is disposed at the waste air outlet.
Optionally, in the above heat dissipation device, a temperature sensor is disposed at each of the waste air outlet and the natural air outlet, and the temperature sensor is electrically connected to the controller of the fan.
Optionally, in the heat dissipation device, a height of the traveling wind path is 2 to 2.5 times a height of the first heat dissipation plate.
Optionally, in the heat dissipation device, a cross section of a portion of the traveling wind channel higher than the first heat dissipation plate is an isosceles trapezoid.
A heat dissipation method of a vehicle-mounted liquid cooling system uses the heat dissipation device disclosed by the technical scheme, and comprises the following steps:
detecting a vehicle speed V of a vehicle1The temperature T of the external environment1And temperature T of exhaust gas of air conditioner2Calculating the heat dissipation amount W of the traveling wind1，W1＝AT1×V1Wherein A isT1For the outside ambient temperature T1Under the condition, the natural air-cooled heat dissipation coefficient of the traveling wind in the traveling wind channel;
calculating the forced air heat dissipation quantity W required to be provided by the fan2，W2＝W0-W1Wherein W is0The total amount of heat generated by a target object of the vehicle-mounted liquid cooling system;
when W is2When the air flow is less than or equal to 0, the fan is not started, and the liquid tank only radiates heat in a natural air cooling mode through the running wind;
when W is2＞0，T2＞T1When the fan is started, the waste air outlet is closed, the liquid tank dissipates heat in a mode of combining natural air cooling of walking wind with forced air cooling of natural wind, and the rotating speed V of the fan2Is adjusted to
Wherein B isT1For the outside ambient temperature T1Under the condition, the forced air cooling heat dissipation coefficient of natural air in the air box;
when W is2＞0，T2≤T1When the fan is started, the waste air outlet is opened, the liquid tank dissipates heat in a mode of combining natural air cooling of traveling wind with forced air cooling of natural wind and waste air exhaust, and the rotating speed V of the fan2Is adjusted to
Wherein B isT2For the waste discharge temperature T of the air conditioner2And under the condition, the forced air cooling heat dissipation coefficient of the waste exhaust air in the air box.
According to the technical scheme, in the heat dissipation device for the vehicle-mounted liquid cooling system, the top cover and the liquid tank form a traveling air channel together in a surrounding mode, the air box is located below the liquid tank, the fan is arranged on the side face of the air box, forced air enters from the bottom face of the air box, the traveling air channel is internally provided with a first heat dissipation plate connected with the upper surface of the liquid tank, the air box is internally provided with a second heat dissipation plate connected with the lower surface of the liquid tank, the first heat dissipation plate is arranged along the extending direction of the traveling air channel, and the second heat dissipation plate is arranged in the direction perpendicular to the first heat dissipation plate. When the vehicle runs, the running wind generated by the running of the vehicle passes through the running wind channel, the first heat dissipation plate can be cooled, and on the basis of utilizing the fan to generate forced wind to cool the second heat dissipation plate, the ventilation and heat dissipation modes of the liquid tank are further enriched, so that the heat dissipation device provided by the invention not only can improve the overall efficiency of ventilation and heat dissipation, but also can reduce the dependence degree of a vehicle-mounted liquid cooling system on a heat dissipation fan. And after the heat dissipation is enhanced by means of the traveling wind, the vehicle-mounted liquid cooling system is allowed to select a heat dissipation fan with lower power to meet the heat dissipation requirement, so that the reduction of energy consumption is facilitated, and meanwhile, compared with the traditional heat dissipation device, the rotating speed of the heat dissipation fan can be properly reduced, so that the overlarge noise of the fan is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic front view of a heat dissipation device for a vehicular liquid cooling system according to an embodiment of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
fig. 4 is a flowchart of a heat dissipation method for a vehicle-mounted liquid cooling system according to an embodiment of the present invention.
Labeled as:
1. a top cover; 2. a liquid tank; 3. a fan; 4. a first heat dissipation plate; 5. a second heat dissipation plate; 6. a waste air outlet; 7. and (4) a natural tuyere.
Detailed Description
For the purpose of facilitating understanding, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, fig. 1 is a schematic front view of a heat dissipation device for a vehicular liquid cooling system according to an embodiment of the present invention, fig. 2 is a schematic sectional view taken along a line a-a in fig. 1, and fig. 3 is a bottom view of fig. 1.
The heat dissipation device for the vehicle-mounted liquid cooling system comprises a top cover 1, a liquid tank 2 and an air box, wherein the liquid tank 2 is used for being communicated with a circulation pipeline of cooling liquid, the cooling liquid in the vehicle-mounted liquid cooling system flows into the liquid tank 2 after flowing through a cooled object (such as a battery reactor and the like), and the cooling liquid flows back to the cooled object after the temperature of the cooling liquid is reduced.
As shown in fig. 1 and 2, the liquid tanks 2 are arranged horizontally, the top cover 1 covers the upper surface of the liquid tanks 2, the top cover 1 and the upper surface of the liquid tanks 2 together define a traveling wind channel through which traveling wind of a vehicle passes, a plurality of first heat dissipation plates 4 parallel to each other are provided in the traveling wind channel and connected to the upper surface of the liquid tanks 2, and the first heat dissipation plates 4 are arranged in the extending direction of the traveling wind channel, so that the traveling wind can pass through gaps between the first heat dissipation plates 4.
The bellows is located liquid case 2 below, is provided with a plurality of second heating panel 5 that are parallel to each other that are connected with the lower surface of liquid case 2 in the bellows, and second heating panel 5 arranges along the direction of the first heating panel 4 of perpendicular to, and the air intake of bellows is located the bottom surface, and the air outlet is located the side corresponding with the tip of second heating panel 5, and air outlet department is provided with fan 3.
When the vehicle runs, running wind generated by the running of the vehicle passes through the running wind channel, the first heat dissipation plate 4 can be cooled, and on the basis of cooling the second heat dissipation plate 5 by using forced wind generated by the fan 3, the ventilation and heat dissipation modes of the liquid tank 2 are further enriched, so that the heat dissipation device provided by the invention not only can improve the overall efficiency of ventilation and heat dissipation, but also can reduce the dependence degree of a vehicle-mounted liquid cooling system on a heat dissipation fan. And after the heat dissipation is enhanced by means of the traveling wind, the vehicle-mounted liquid cooling system is allowed to select a heat dissipation fan with lower power to meet the heat dissipation requirement, so that the reduction of energy consumption is facilitated, and meanwhile, compared with the traditional heat dissipation device, the rotating speed of the heat dissipation fan can be properly reduced, so that the overlarge noise of the fan is avoided.
In the conventional vehicle-mounted liquid cooling system, when forced air cooling is performed by using the fan 3, the air source is usually only natural air, in order to improve the heat dissipation efficiency of the liquid tank 2, the air-conditioning waste air is also used as the forced air-cooling air source in the embodiment, as shown in fig. 3, the air inlet of the air tank includes a natural air inlet 7 through which natural air passes and a waste air outlet 6 through which waste air of the vehicle-mounted air conditioner passes.
In a specific practical application, the positions of the waste air outlet 6 and the natural air inlet 7 on the bottom surface of the air box can be selected according to requirements. As can be seen from fig. 2 and 3, in the present embodiment, the natural wind port 7 is located in the middle of the windbox, and the exhaust wind port 6 is located between the natural wind port 7 and the fan 3.
As shown in fig. 2, in this embodiment, a partition (not shown) is provided in the air box to intersect the second heat dissipation plate 5 perpendicularly, one end of the partition is located in the middle of the side where the fan 3 is located, and the other end is located between the natural air inlet 7 and the waste air outlet 6 on the bottom surface, and the partition divides the inner cavity of the air box into a natural air passage and a waste air outlet passage.
The shape of the partition plate determines the specific path of the natural wind channel and the waste air exhaust channel, in the embodiment, the partition plate is provided with a right-angle bend which divides the partition plate into a horizontal part and a vertical part, the horizontal part is parallel to the bottom surface of the air box, the vertical part is parallel to the side surface where the fan 3 is located, and arrows in fig. 2 show the flow path of the natural wind and the waste air conditioner exhaust in the air box.
In order to adjust the amount of air discharged from the air conditioner flowing into the windbox, a valve may be provided at the waste air outlet 6.
In order to adjust the rotation speed of the fan 3 according to the difference of the wind temperature, temperature sensors can be arranged at the waste air outlet 6 and the natural air inlet 7, and the temperature sensors are electrically connected with a controller of the fan 3.
As shown in fig. 2, the height of the air passage is generally 2 to 2.5 times the height of the first heat sink 4. In this embodiment, the cross section of the portion of the traveling wind channel higher than the first heat dissipation plate 4 is an isosceles trapezoid.
The invention also provides a vehicle-mounted liquid cooling system which comprises the heat dissipation device disclosed by the embodiment. Since the heat dissipation device disclosed in the above embodiment has the above technical effects, the vehicle-mounted liquid cooling system having the heat dissipation device also has the above technical effects, and details are not repeated herein.
Based on the heat dissipation device provided by the invention, the invention provides a heat dissipation method of a vehicle-mounted liquid cooling system, and as shown in fig. 4, the heat dissipation method comprises the following procedures:
first, a vehicle speed V of a vehicle is detected1The temperature T of the external environment1And temperature T of exhaust gas of air conditioner2。
Then, the heat dissipation quantity W of the traveling wind is calculated1. And according to W1Calculating the forced air heat dissipation quantity W required to be provided by the fan 32Wherein W is1＝AT1×V1，W2＝W0-W1。
In the formula, AT1For the outside ambient temperature T1Under the condition, the natural air-cooled heat dissipation coefficient of the traveling wind in the traveling wind channel;
W0the total amount of heat generated by the target object of the vehicle-mounted liquid cooling system.
The "target object" refers to an object to be cooled, for example, an on-vehicle energy storage device (a lithium battery or a fuel cell), a traction motor, or the like, and the total amount of heat generation is calculated as a conventional technique.
Finally, according to W2Determine whether to turn on the fan 3, specifically, if W2Not more than 0, the fan 3 is not started, if W is less than or equal to2If the voltage is more than 0, the fan 3 is started.
When W is2When the temperature is less than or equal to 0, the liquid tank 2 only radiates heat in a natural air cooling mode through the walking wind.
When W is2> 0, and T2＞T1When the waste air outlet 6 is closed, the rotating speed V of the fan 32Is adjusted to
In the formula, BT1For the outside ambient temperature T1And under the condition, the forced air cooling heat dissipation coefficient of natural air in the air box. Thus, the liquid tank 2 dissipates heat by combining natural air cooling of the traveling wind with forced air cooling of the natural wind.
When W is2> 0, and T2≤T1When the waste air outlet 6 is opened, the rotating speed V of the fan 32Is adjusted to
In the formula, BT2For the waste discharge temperature T of the air conditioner2And under the condition, the forced air cooling heat dissipation coefficient of the waste exhaust air in the air box. Thus, the liquid tank 2 dissipates heat by combining natural air cooling of the traveling wind with forced air cooling of the natural wind and the exhaust air.
It should be noted that the "natural air-cooled heat dissipation coefficient" and the "forced air-cooled heat dissipation coefficient" are data that need to be measured in advance through experiments, and are related to the wind speed and the temperature, and the experimental method is the prior art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a heat abstractor of on-vehicle liquid cooling system which characterized in that includes:
the liquid tank (2) is communicated with a circulating pipeline of cooling liquid, and the liquid tank (2) is horizontally arranged;
the top cover (1) covers the upper surface of the liquid tank (2), the top cover (1) and the upper surface of the liquid tank (2) jointly form a traveling wind channel for traveling wind of a vehicle to pass through, a plurality of parallel first heat dissipation plates (4) connected with the upper surface of the liquid tank (2) are arranged in the traveling wind channel, and the first heat dissipation plates (4) are arranged along the extending direction of the traveling wind channel;
the air box is positioned below the liquid box (2), a plurality of second heat dissipation plates (5) which are parallel to each other and connected with the lower surface of the liquid box (2) are arranged in the air box, the second heat dissipation plates (5) are arranged in the direction perpendicular to the first heat dissipation plates (4), the air inlet of the air box is positioned on the bottom surface, the air outlet is positioned on the side surface corresponding to the end part of the second heat dissipation plates (5), the air outlet is provided with a fan (3), the air inlet of the air box comprises a natural air port (7) for natural air to pass through and an exhaust air outlet (6) for exhaust air of a vehicle-mounted air conditioner to pass through, the natural air port (7) is positioned in the middle of the air box, the exhaust air outlet (6) is positioned between the natural air port (7) and the fan (3), and a partition board which is vertically intersected with the second heat dissipation plates (5), one end of the partition plate is located in the middle of the side face where the fan (3) is located, the other end of the partition plate is located on the bottom face, the natural air port (7) and the waste air exhaust port (6) are located at positions, and the partition plate divides the inner cavity of the air box into a natural air channel and a waste air exhaust channel.
2. The heat sink according to claim 1, wherein the partition has a right-angled bend dividing the partition into a horizontal portion parallel to the bottom surface of the bellows and a vertical portion parallel to the side surface on which the fan (3) is located.
3. The heat sink according to claim 1 or 2, wherein a valve for adjusting the amount of intake air is provided at the exhaust outlet (6).
4. The heat sink according to claim 3, wherein a temperature sensor is disposed at the exhaust outlet (6) and the natural wind port (7), and the temperature sensors are electrically connected to a controller of the fan (3).
5. A heat sink according to claim 3, characterised in that the height of the travelling wind channel is 2-2.5 times the height of the first heat sink (4).
6. The heat sink according to claim 5, wherein the cross section of the portion of the traveling wind channel higher than the first heat sink (4) is an isosceles trapezoid.
7. A heat dissipation method of a vehicle-mounted liquid cooling system, wherein the heat dissipation method uses the heat dissipation device of any one of claims 1 to 6, and the heat dissipation method comprises:
detecting a vehicle speed V of a vehicle1The temperature T of the external environment1And temperature T of exhaust gas of air conditioner2Calculating the heat dissipation amount W of the traveling wind1，W1＝AT1×V1Wherein A isT1For the outside ambient temperature T1Under the condition, the natural air-cooled heat dissipation coefficient of the traveling wind in the traveling wind channel;
calculating the forced air heat dissipation quantity W required to be provided by the fan2，W2＝W0-W1Wherein W is0The total amount of heat generated by a target object of the vehicle-mounted liquid cooling system;
when W is2When the air flow is less than or equal to 0, the fan is not started, and the liquid tank only radiates heat in a natural air cooling mode through the running wind;
when W is2＞0，T2＞T1When the fan is started, the waste air outlet is closed, the liquid tank dissipates heat in a mode of combining natural air cooling of walking wind with forced air cooling of natural wind, and the rotating speed V of the fan2Is adjusted to
Wherein B isT1For the outside ambient temperature T1Under the condition, the forced air cooling heat dissipation coefficient of natural air in the air box;
when W is2＞0，T2≤T1When the waste air exhaust port is opened, the fan is started, and the liquid tank is self-driven by the walking windThe natural wind and the forced wind cooling of the waste exhaust air are combined to dissipate heat, and the rotating speed V of the fan2Is adjusted to
Wherein B isT2For the waste discharge temperature T of the air conditioner2And under the condition, the forced air cooling heat dissipation coefficient of the waste exhaust air in the air box.
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| CN201557042U (en) * | 2009-11-12 | 2010-08-18 | 中国北车股份有限公司大连电力牵引研发中心 | Phase power module device and current transformer |
| JP2015182469A (en) * | 2014-03-20 | 2015-10-22 | 日野自動車株式会社 | Cooling structure for roof-mounted battery |
| CN204030931U (en) * | 2014-08-26 | 2014-12-17 | 南车株洲电力机车研究所有限公司 | The air-cooled water-cooling system of a kind of track traffic traction convertor traveling |
| CN106787618B (en) * | 2015-11-23 | 2019-08-09 | 南车株洲电力机车研究所有限公司 | A kind of radiator structure, vehicle-mounted current transformer and its heat dissipating method including the structure |
| CN208845260U (en) * | 2018-08-22 | 2019-05-10 | 东风商用车有限公司 | A kind of assembled fan cooling system for vehicle |
| CN110267501A (en) * | 2019-07-10 | 2019-09-20 | 中车株洲电力机车有限公司 | A kind of radiator structure and heat dissipating method of vehicles energy accumulating system |
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