CN212808550U

CN212808550U - Battery constant temperature test system

Info

Publication number: CN212808550U
Application number: CN202020325124.8U
Authority: CN
Inventors: 刘安德
Original assignee: Nanjing Mjs Energy Technology Co ltd
Current assignee: Nanjing Mjs Energy Technology Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2021-03-26
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a battery constant temperature test system, including the test box, the inner chamber bottom fixed mounting backup pad of test box places the battery in the backup pad, and it has hot-blast mouth and cold wind mouth to open on one side curb plate of test box, and the interior installation switching mechanism of test box curb plate between hot-blast mouth and cold wind mouth, hot-blast mouth inner wall installation heating wire cup joints exhaust pipe and return air pipe on the opposite side curb plate of test box, and the outside of cold wind mouth is connected to the return air pipe, and return air pipe end outer wall cup joints the cooling tube. Through switching mechanism control hot-blast mouthful and the intercommunication and the closure of cold wind mouth, hot-blast mouthful produces high temperature to blowing in succession in the test box to flow from the air exit through hot-blast and take away the battery heat, reach the constant temperature, make test box air cycle cooling make the low temperature through return air pipe and cooling tube, the heat that the battery produced is in time taken away and circulated cooling once more by cold wind, thereby make and keep the low temperature in the test box, the constant temperature test of being convenient for, the device is simple, and is with low costs.

Description

Battery constant temperature test system

Technical Field

The utility model relates to a battery test technical field specifically is a battery constant temperature test system.

Background

The battery uses under different temperatures and makes the performance different, especially battery, ambient temperature has great influence to its performance, in order to test battery performance under different temperatures, thereby often place the battery in a box and control box internal temperature and test battery performance under different temperatures, however, self can generate heat when the battery charges and discharges, thereby it is difficult to keep the constant temperature to lead to the temperature rise in the box, present constant temperature measure all need use control system control test incasement temperature such as some PLC, computer and software, the cost is high, with high costs, for this reason we propose a battery constant temperature test system and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery constant temperature test system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a battery constant temperature test system, includes the test box, the inner chamber bottom fixed mounting backup pad of test box, place the battery in the backup pad, the top installation case lid of test box, the fixed two terminals that cup joint are covered to the case, the bottom of terminal is passed through the wire and is connected electrically conductive clamp, electrically conductive utmost point post that presss from both sides the centre gripping battery, it has hot-blast mouth and cold-blast mouth to open on one side curb plate of test box, installation switching mechanism in the test box curb plate between hot-blast mouth and cold-blast mouth, the hot-blast mouth is close to the one end installation heating wire of test box inner wall, the fixed one end that cup joints exhaust pipe and return air pipe on the opposite side curb plate of test box, the other end of return air pipe is along the outside of test box outer wall connection cold-blast mouth, the one end outer.

Preferably, the outer wall of test box and case lid is all fixed cup joints the heat preservation cotton, the support plate edge is the stainless steel frame of fixed welding test box inner wall, the middle part of backup pad is stainless steel network structure, the outer end of exhaust pipe cup joints sealed lid through the helicitic texture, cooling tube spiral winding is on the return air pipe, and the coolant that circulates in the cooling tube.

Preferably, the switching mechanism includes the carousel, the carousel rotates to cup joint in the test box curb plate between hot-blast mouth and cold-blast mouth, carousel middle part fixed mounting pivot, the outer wall that the test box was run through in the pivot rotation, it has the installing port to open on the carousel, fixed mounting exhaust fan in the installing port.

Preferably, the pivot is close to the one end fixed mounting pointer of test box outer wall, the outer wall of test box is equipped with the instruction scale, the circumference outer wall fixed mounting elasticity hemisphere structure's of carousel lug, it has the hemisphere draw-in groove with lug matched with to open in the test box curb plate.

Preferably, the air-out board includes the fixed plate, fixed plate fixed mounting is on the inner wall of test box, open one side outer wall of fixed plate has just to the collection wind chamber of hot-blast mouth and cold wind gap, it has the dispersion chamber to open in the opposite side of fixed plate, it has the through-hole to open on the fixed plate between dispersion chamber and collection wind chamber, it has a plurality of exhaust vents to open between one side that the through-hole was kept away from in the dispersion chamber and the fixed plate outer wall.

Preferably, the inner wall of one side of the dispersing cavity, which is close to the air outlet, is of a conical structure, and the air outlet is uniformly distributed along the outer wall of the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the hot air port continuously blows hot air into the test box to generate high temperature, the hot air flows out of the air outlet to take away the heat of the battery to achieve constant temperature, the air in the test box is circularly cooled to generate low temperature through the return air pipe and the cooling pipe, the heat generated by the battery is taken away by cold air in time and is circularly cooled again, and therefore the low temperature is kept in the test box, constant temperature test is facilitated, the device is simple, and the cost is low; hot air and cold air are uniformly dispersed into the test box through the air outlet plate, so that the temperature in the test box is balanced, and the test is convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of the main sectional structure of the present invention.

In the figure: the testing device comprises a testing box 1, a battery 2, a box cover 3, a wiring terminal 4, a conductive clamp 5, a hot air port 6, a cold air port 7, a switching mechanism 8, a turntable 81, a rotating shaft 82, a mounting port 83, an exhaust fan 84, an air outlet plate 9, a fixing plate 91, a dispersing cavity 92, an air outlet hole 93, a through hole 94, an air collecting cavity 95, an exhaust duct 10, an air return duct 11, a cooling duct 12, an electric heating wire 13 and a supporting plate 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a battery constant temperature test system, including test box 1, test box 1's inner chamber bottom fixed mounting backup pad 14, place battery 2 in the backup pad 14, test box 1's top installation case lid 3, two terminals 4 are cup jointed to the fixed cover on the case lid 3, terminal 4's bottom is passed through the wire and is connected electrically conductive clamp 5, electrically conductive clamp 5 centre gripping battery 2's utmost point post, it has hot-blast mouth 6 and cold-blast mouth 7 to open on test box 1's one side curb plate, installation switching mechanism 8 in the test box 1 curb plate between hot-blast mouth 6 and cold-blast mouth 7, hot-blast mouth 6 is close to the one end installation heating wire 13 of test box 1 inner wall, the fixed one end of cup jointing exhaust column 10 and return-air column 11 on test box 1's the opposite side curb plate, the other end of return-air column 11 is along the outside of test box 1 outer wall connection cold. When a high-temperature test is needed, the switching mechanism 8 seals the cold air port 7, the hot air port 6 is communicated with the air outlet plate 9, hot air is generated through the hot air port 6 and the heating wire 13 at the moment, and the hot air is uniformly distributed in the test box 1 through the air outlet plate 9, so that the high temperature is kept in the test box 1, the binding post 4 is connected with external charging and electrical equipment, so that the battery 2 works, the hot air can flow out of the test box 1 through the exhaust pipe 10, the battery 2 can be taken away by the hot air in time when generating heat, so that the constant temperature is kept in the test box 1, the test is convenient, when a low-temperature test is needed, the switching mechanism 8 seals the hot air port 6, the cold air port 7 is communicated with the air outlet plate 9, the exhaust pipe 10 is closed, air in the test box 1 circulates through the return air pipe 11 and the cold air port 7 at the moment, and the circulating air, the heat that battery 2 produced is in time taken away and circulated cooling once more by cold wind to keep low temperature in making test box 1, the constant temperature test of being convenient for, the device is simple, and is with low costs.

The outer wall of test box 1 and case lid 3 all fixes and cup joints the heat preservation cotton, the stainless steel frame of backup pad 14 edge for fixed welding test box 1 inner wall, the middle part of backup pad 14 is stainless steel network structure, reduce battery 2 and backup pad 14 area of contact, the battery 2 heat dissipation of being convenient for, sealed lid is cup jointed through helicitic texture in the outer end of exhaust pipe 10, be convenient for seal and open, 12 spiral windings of cooling tube are on return air pipe 11, and the coolant circulates in the cooling tube 12.

Furthermore, a thermometer is fixedly sleeved on the test box 1, so that the temperature in the box can be conveniently controlled, the electric heating wire 13 and the power can be adjusted, the coolant in the cooling pipe 12 can adopt Freon, and the refrigeration mode can adopt the mature refrigeration methods of the prior air conditioner, refrigerator and the like.

Switching mechanism 8 includes carousel 81, carousel 81 rotates to cup joint in the 1 curb plate of test box between hot-blast mouthful 6 and cold wind mouth 7, carousel 81 middle part fixed mounting pivot 82, pivot 82 rotates the outer wall that runs through test box 1, it has installing port 83 to open on carousel 81, fixed mounting exhaust fan 84 in the installing port 83, then drive carousel 81 through pivot 82 and rotate, make installing port 83 communicate with each other with one in hot-blast mouthful 6 or the cold wind mouth 7, then another is sealed, reach the fast switch-over function, carry out the air through exhaust fan 84 and flow.

The pivot 82 is close to the one end fixed mounting pointer of test box 1 outer wall, and the outer wall of test box 1 is equipped with the instruction scale, and the control installing port 83 of being convenient for communicates with each other with hot-blast mouth 6 or cold-blast mouth 7, and the lug of the circumference outer wall fixed mounting elasticity hemisphere structure of carousel 81 opens in the test box 1 curb plate and has the hemisphere draw-in groove with lug matched with, avoids carousel 81 to rotate by oneself.

The air outlet plate 9 comprises a fixing plate 91, the fixing plate 91 is fixedly installed on the inner wall of the test box 1, an air collecting cavity 95 which is right opposite to the hot air opening 6 and the cold air opening 7 is formed in the outer wall of one side of the fixing plate 91, a dispersing cavity 92 is formed in the other side of the fixing plate 91, a through hole 94 is formed in the fixing plate 91 between the dispersing cavity 92 and the air collecting cavity 95, a plurality of air outlet holes 93 are formed between one side, away from the through hole 94, of the dispersing cavity 92 and the outer wall of the fixing plate 91, the inner wall of one side, close to the air outlet holes 93, of the dispersing cavity 92 is of a conical structure, the air outlet holes 93 are uniformly distributed along the outer wall of the fixing plate 91, hot air generated by the hot air opening 6 or cold air generated by the cold air opening 7 all flow into the through air collecting cavity 95, air flows towards the inner wall of the conical dispersing cavity 92 to be.

Further, the wires of the id fan 94 can be connected through the shaft 82 to avoid twisting of the wires during rotation.

The working principle is as follows: when the utility model is used, the battery 2 is placed on the supporting plate 14 and is connected with external charging and electricity utilization equipment through the conductive clip 5 and the binding post 4, thereby enabling the battery 2 to work, when a high-temperature test is needed, the rotating shaft 82 is rotated, the mounting port 83 is communicated with the hot air port 6, the cold air inlet 7 is blocked, the exhaust duct 10 is opened, the exhaust fan 84 pumps the outside air into the hot air inlet 6, and is heated by the electric heating wire 13, hot air enters the air collecting cavity 95 and enters the dispersing cavity 92 through the through hole 94, air flow is blown to the inner wall of the conical dispersing cavity 92 and then is dispersed all around, and finally is blown out through the air outlet holes 93 which are uniformly distributed, so that the distribution is more uniform, the temperature in the test box 1 is convenient to be balanced, a high-temperature environment is generated in the test box 1, hot air flows out of the test box 1 through the exhaust pipe 10, and the battery 2 is taken away by the hot air in time when generating heat, so that the temperature in the test box 1 is kept constant; when needs low temperature test, rotate pivot 82, make installing port 83 and cold wind mouth 7 intercommunication, then hot-blast mouth 6 shutoff, seal exhaust pipe 10, induced-draft fan 84 makes the air in test box 1 pass through return air duct 11 circulation flow, cool down the circulated air through cooling tube 12, it carries out homodisperse to cold wind to go out aerofoil 9, the heat that battery 2 produced is in time taken away and circulated cooling once more by cold wind, thereby make and keep low temperature in the test box 1, the constant temperature test of being convenient for, the device is simple, and is low in cost.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a battery constant temperature test system, includes test box (1), its characterized in that: the testing box comprises a testing box body (1), a supporting plate (14) fixedly installed at the bottom of an inner cavity of the testing box body (1), a battery (2) is placed on the supporting plate (14), a box cover (3) is installed at the top of the testing box body (1), two binding posts (4) are fixedly sleeved on the box cover (3), the bottoms of the binding posts (4) are connected with a conductive clamp (5) through a wire, the conductive clamp (5) clamps a pole column of the battery (2), a hot air port (6) and a cold air port (7) are formed in a side plate on one side of the testing box body (1), a switching mechanism (8) is installed in the side plate of the testing box body (1) between the hot air port (6) and the cold air port (7), a heating wire (13) is installed at one end, close to the inner wall of the testing box body (1), an exhaust pipe (10) and one end of a return air pipe (11) are fixedly sleeved on a side plate on the other side plate of the testing box body (1), and a cooling pipe (12) is sleeved on the outer wall of one end, close to the cold air port (7), of the air return pipe (11).

2. The battery constant temperature test system according to claim 1, wherein: the outer wall of test box (1) and case lid (3) all fixes and cup joints the heat preservation cotton, backup pad (14) edge is the stainless steel frame of fixed welding test box (1) inner wall, the middle part of backup pad (14) is stainless steel network structure, the outer end of exhaust pipe (10) cup joints sealed lid through helicitic texture, cooling tube (12) spiral winding is on return air pipe (11), and circulation coolant in cooling tube (12).

3. The battery constant temperature test system according to claim 1, wherein: switching mechanism (8) are including carousel (81), carousel (81) rotate to cup joint in test box (1) curb plate between hot-blast mouthful (6) and cold wind mouth (7), carousel (81) middle part fixed mounting pivot (82), pivot (82) rotate the outer wall that runs through test box (1), it has installing port (83) to open on carousel (81), fixed mounting exhaust fan (84) in installing port (83).

4. The battery constant temperature test system according to claim 3, wherein: the utility model discloses a test box, including pivot (82), test box (1), the one end fixed mounting pointer of pivot (82) outer wall is close to test box (1), the outer wall of test box (1) is equipped with the instruction scale, the lug of the circumference outer wall fixed mounting elasticity hemisphere structure of carousel (81), it has the hemisphere draw-in groove with lug matched with to open in test box (1) curb plate.

5. The battery constant temperature test system according to claim 1, wherein: go out aerofoil (9) including fixed plate (91), fixed plate (91) fixed mounting is on the inner wall of test box (1), one side outer wall of fixed plate (91) is opened and is just to wind collection chamber (95) of hot-blast mouth (6) and cold-blast mouth (7), it has dispersion chamber (92) to open in the opposite side of fixed plate (91), it has through-hole (94) to open on fixed plate (91) between dispersion chamber (92) and collection wind chamber (95), it has a plurality of exhaust vents (93) to open between one side that through-hole (94) were kept away from in dispersion chamber (92) and fixed plate (91) outer wall.

6. The system for testing the constant temperature of the battery according to claim 5, wherein: the inner wall of one side of the dispersing cavity (92) close to the air outlet (93) is of a conical structure, and the air outlet (93) is uniformly distributed along the outer wall of the fixing plate (91).