New energy automobile heat dissipation water tank
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a new energy automobile heat dissipation water tank.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The lithium ion secondary battery is used as a rechargeable battery with high voltage and high energy density, has unique physical and electrochemical properties, and has wide prospects in civil and national defense applications. The outstanding characteristics are as follows: light weight, large energy storage (high energy density), no pollution, no memory effect and long service life. Under the condition of the same volume and weight, the storage capacity of the lithium battery is 1.6 times that of the nickel-hydrogen battery and 4 times that of the nickel-cadmium battery, and only 20-30% of the theoretical electric quantity of the lithium battery is developed and utilized by people, so that the development prospect is very bright. Meanwhile, the battery is a real green environment-friendly battery, cannot cause pollution to the environment, and is the best battery which can be applied to the electric vehicle at present. The development and utilization of lithium ion batteries in the nineties of the twentieth century have made breakthrough progress so far, and the lithium ion batteries completely with independent intellectual property rights are developed. The new energy automobile industry in China begins at the beginning of the 21 st century. In 2001, a new energy automobile research project was listed as a major scientific and technological subject of '863' in the period of 'fifteen' in the country, and a strategy for advancing to a hydrogen-powered vehicle target from a gasoline vehicle as a starting point was planned. Since the eleven-five, our country puts forward the strategy of energy conservation and new energy vehicles, and governments are highly concerned about the research, development and industrialization of new energy vehicles.
When a battery module in a new energy automobile runs, a large amount of heat can be generated, particularly, under the condition of hot weather, the problem that batteries are easy to ignite and the like due to high temperature is solved, the existing automobile heat dissipation is performed through a water tank, but the heat dissipation efficiency is low, and cooling liquid cannot be automatically supplemented, so that the invention provides the new energy automobile heat dissipation water tank.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a new energy automobile heat dissipation water tank.
In order to achieve the purpose, the invention adopts the following technical scheme:
a new energy automobile heat dissipation water tank comprises a cooling tank body, wherein a first S-shaped heat exchange tube is arranged below the cooling tank body, one end of the first S-shaped heat exchange tube extends to one side wall of the cooling tank body, the other end of the first S-shaped heat exchange tube extends to the other side wall of the cooling tank body, a micro water pump is arranged inside the cooling tank body, the water outlet end of the micro water pump is in sealing connection with one end of the first S-shaped heat exchange tube, a plurality of heat dissipation groups are arranged on the top of the cooling tank body at equal intervals, one heat dissipation group comprises a plurality of heat dissipation copper sheets which are distributed on the top of the cooling tank body at equal intervals, the lower ends of the heat dissipation copper sheets extend to the inside of the cooling tank body, circular cooling grooves are arranged at equal intervals at the bottoms of the heat dissipation copper sheets, the upper ends of the circular cooling grooves extend to the middle parts of the heat dissipation, a heat radiating device is arranged on the inner wall of the heat shield close to one side of the horn-shaped air inlet, an air outlet is arranged at one end, far away from the heat radiating device, of the heat shield, a liquid level sensor is arranged on the upper portion of the inner wall of the cooling box body, a cooling liquid supplementing box is arranged at the top of the heat shield, the cooling liquid supplementing box is of a hollow cylindrical structure, a piston head is movably arranged inside the cooling liquid supplementing box, the outer wall of the piston head is in contact with the inner wall of the cooling liquid supplementing box, a vertically arranged piston rod is fixed in the middle of the top of the piston head, the upper end of the piston rod extends to the upper portion of the cooling liquid supplementing box and is fixed with a horizontally arranged cross rod, a lifting mechanism is fixed at the bottom of one side, far away from the piston rod, of the cross rod, a lifting seat, and a PLC (programmable logic controller) is installed on the side surface of the cooling liquid supplementing box.
Preferably, a second S-shaped heat exchange tube is horizontally arranged on the inner bottom wall of the cooling box body, a copper tube is arranged in the middle of the top of the second S-shaped heat exchange tube, and the upper end of the copper tube extends to the upper side of the cooling box body and is provided with a radiating fin.
Preferably, the heat dissipation device comprises a motor base, a driving motor and fan blades, wherein the motor base is installed on the inner wall of the heat shield, the driving motor is installed on the motor base, the fan blades are installed on an output shaft of the driving motor, when the driving motor operates, the fan blades are driven to rotate, and generated air flows to the air outlet.
Preferably, the lifting mechanism adopts a push rod motor, and the push rod motor is connected with the PLC.
Preferably, when the lifting mechanism descends, the cross rod presses on the contact switch, so that the switch is triggered, and the contact switch is connected with the PLC.
Preferably, be equipped with model in the PLC controller and be stc89c52 singlechip and siren, the singlechip is connected with siren, level sensor and heat abstractor respectively.
Preferably, the cooling tank body and the cooling liquid replenishing tank are both filled with cooling liquid.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat dissipation copper sheets are distributed on the top of the cooling box body at equal intervals, the lower ends of the heat dissipation copper sheets extend to the inside of the cooling box body, the bottoms of the heat dissipation copper sheets are provided with the circular cooling grooves at equal intervals, and the upper ends of the circular cooling grooves extend to the middle of the heat dissipation copper sheets, so that the heat exchange effect can be improved, and the cooling effect of cooling liquid in the cooling box body can be improved;
2. the cooling liquid supplementing box is of a hollow cylindrical structure, a piston head is movably mounted inside the cooling liquid supplementing box, the outer wall of the piston head is in contact with the inner wall of the cooling liquid supplementing box, a contact switch is mounted at the top of the cooling liquid supplementing box located right below the cross rod, a PLC (programmable logic controller) is mounted on the side face of the cooling liquid supplementing box, when the liquid level sensor detects that the cooling liquid in the cooling box is insufficient, a signal is sent to the PLC, the PLC controls the lifting mechanism to operate, so that the piston head descends, and the cooling liquid in the cooling liquid supplementing box enters the cooling box body;
the invention has unique structure and ingenious design, is provided with the alarm, can remind when the liquid in the cooling liquid replenishing tank is insufficient, and is suitable for popularization.
Drawings
Fig. 1 is a schematic structural diagram of a new energy automobile heat dissipation water tank provided by the invention;
FIG. 2 is a top view of a cooling box body and a heat dissipation group in a new energy automobile heat dissipation water tank according to the present invention when connected;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
FIG. 4 is a cross-sectional view of a copper heat sink in a heat-dissipating water tank of a new energy vehicle according to the present invention;
fig. 5 is a bottom view of a heat dissipation copper sheet in the heat dissipation water tank of the new energy automobile.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a new energy automobile heat dissipation water tank comprises a cooling tank body 1, a first S-shaped heat exchange tube 5 is arranged below the cooling tank body 1, one end of the first S-shaped heat exchange tube 5 extends to one side wall of the cooling tank body 1, the other end of the first S-shaped heat exchange tube 5 extends to the other side wall of the cooling tank body 1, a micro water pump 2 is installed inside the cooling tank body 1, the water outlet end of the micro water pump 2 is hermetically connected with one end of the first S-shaped heat exchange tube 5, a plurality of heat dissipation groups are arranged on the top of the cooling tank body 1 at equal intervals, wherein one heat dissipation group comprises a plurality of heat dissipation copper sheets 3, the heat dissipation copper sheets 3 are distributed on the top of the cooling tank body 1 at equal intervals, the lower ends of the heat dissipation copper sheets 3 extend to the inside of the cooling tank body 1, circular cooling grooves 301 are arranged on the bottoms of the, the top of the cooling box body 1 is provided with a heat shield 9, one side of the heat shield 9 is provided with a horn-shaped air inlet 7, the inner wall of the heat shield 9 close to one side of the horn-shaped air inlet 7 is provided with a heat radiating device 8, one end of the heat shield 9 far away from the heat radiating device 8 is provided with an air outlet 11, the upper part of the inner wall of the cooling box body 1 is provided with a liquid level sensor 6, the top of the heat shield 9 is provided with a cooling liquid supplementing box 15, the cooling liquid supplementing box 15 is of a hollow cylindrical structure, a piston head 16 is movably arranged in the cooling liquid supplementing box 15, the outer wall of the piston head 16 is contacted with the inner wall of the cooling liquid supplementing box 15, the middle of the top of the piston head 16 is fixed with a vertically arranged piston rod 18, the upper end of the piston rod 18 extends to the upper part of the cooling liquid, the lower end of the lifting mechanism 22 is provided with a lifting seat 21, the lifting seat 21 is fixed on the side surface of the cooling liquid supplement box 15, the top of the cooling liquid supplement box 15 which is positioned right below the cross rod 20 is provided with a contact switch 19, and the side surface of the cooling liquid supplement box 15 is provided with a PLC 14.
In the invention, a horizontally arranged second S-shaped heat exchange tube 4 is arranged on the inner bottom wall of a cooling box body 1, a copper tube 12 is arranged in the middle position of the top of the second S-shaped heat exchange tube 4, the upper end of the copper tube 12 extends to the upper side of the cooling box body 1 and is provided with a heat dissipation fin 10, a heat dissipation device 8 comprises a motor base, a driving motor and fan blades, wherein the motor base is arranged on the inner wall of a heat insulation cover 9, the driving motor is arranged on the motor base, the fan blades are arranged on an output shaft of the driving motor, when the driving motor runs, the fan blades are driven to rotate, generated airflow flows to an air outlet 11, a lifting mechanism 22 adopts a push rod motor, the push rod motor is connected with a PLC controller 14, when the lifting mechanism 22 descends, a cross rod 20 presses on a contact switch 19 so as to trigger the switch, the contact switch 19 is connected with the PLC controller 14, a, the single chip microcomputer is respectively connected with the alarm, the liquid level sensor 6 and the heat dissipation device 8, and cooling liquid is filled in the cooling box body 1 and the cooling liquid supplement box 15.
When the cooling box is used, the heat-radiating copper sheets 3 are distributed at the top of the cooling box body 1 at equal intervals, the lower ends of the heat-radiating copper sheets 3 extend to the inside of the cooling box body 1, the bottom of each heat-radiating copper sheet 3 is provided with the circular cooling grooves 301 at equal intervals, the upper ends of the circular cooling grooves 301 extend to the middle of the heat-radiating copper sheets 3, the heat exchange effect can be improved, the cooling effect of cooling liquid in the cooling box body 1 can be improved, the cooling liquid supplement box 15 is of a hollow cylindrical structure, the inside of the cooling liquid supplement box 15 is movably provided with the piston head 16, the outer wall of the piston head 16 is in contact with the inner wall of the cooling liquid supplement box 15, the top of the cooling liquid supplement box 15 positioned right below the cross bar 20 is provided with the contact switch 19, the side surface of the cooling liquid supplement box 15 is provided with the PLC 14, the PLC 14 controls the lifting mechanism 22 to operate, so that the piston head 16 descends, and further, cooling liquid in the cooling liquid supplementing box 15 enters the cooling box body 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.