CN207124835U - A cooling device for a motor controller - Google Patents

Abstract

The utility model discloses a machine controller heat abstractor, including machine controller body and heat abstractor, machine controller includes upper cover plate and lower box, go up the case lid and pass through bolt fixed connection with lower box, it is equipped with the convex buckle to go up the case lid edge, four corners of going up the case lid are equipped with the counter sink, box top edge mouth department is equipped with the spill draw-in groove down, four corners of lower box are equipped with the screw hole post, lower box bottom is equipped with the conducting strip, the conducting strip below is equipped with the water-cooling head, the water-cooling head leads to pipe connects gradually water pump, water tank and cold row, water tank fixed mounting is in machine controller body left side, the water tank right side is equipped with the water pump, machine controller body the place ahead is equipped with the cold row, the cold row surface is equipped with the fan. The heat-conducting fins are arranged below the motor controller and are matched with the water cooling equipment for use, so that the heat dissipation efficiency of the motor controller is improved, and the service life of electronic elements in the motor controller is prolonged.

Description

A cooling device for a motor controller

technical field

The utility model relates to the field of auto parts, in particular to a cooling device for a motor controller.

Background technique

Because the battery car does not burn gasoline to generate power, it has the characteristics of environmental protection and low pollution. It is widely used in places with high environmental requirements such as tourist attractions. The existing battery car is equipped with an AC controller, which is used to convert the DC power output from the battery into a three-phase AC power and drive the motor to rotate. Since there are a large number of electronic devices in the motor controller, these electronic devices generate a lot of heat when they work. , most of the heat is mainly generated by the inductors, capacitors and power tubes in the motor controller. If the heat cannot be dissipated in time, it will affect the service life of electronic devices and shorten the life of the motor controller.

At present, most motor controllers in the market adopt natural air cooling. There is a metal heat sink under the motor controller. By increasing the area of the heat sink in contact with the air, the motor controller can be dissipated. The effect is not obvious, and the heat dissipation efficiency is low, which is not conducive to the operation of the motor controller, and it is easy to cause the temperature to be too high. Shorten the service life of electronic components.

Utility model content

The purpose of this utility model is to provide a heat dissipation device for a motor controller. By setting a heat conduction sheet under the motor controller, the heat generated by the motor controller can be exported quickly. The heat-absorbing characteristics of water can quickly cool down the heat conduction sheet. By using water-cooling equipment, the heat dissipation efficiency of the motor controller can be improved, and the service life of the electronic components in the motor controller can be extended.

In order to achieve the above object, the utility model provides the following technical solutions: a motor controller heat dissipation device, including a motor controller body and a heat dissipation device, the motor controller body includes an upper cover plate and a lower box body, and the upper box cover It is fixedly connected with the lower box body by bolts, the edge of the upper box cover is provided with convex buckles, the four corners of the upper box cover are provided with countersunk holes, and the top edge of the lower box body is provided with concave holes. card slot, the four corners of the lower box are provided with screw holes, the bottom of the lower box is provided with a heat conduction sheet, and the heat dissipation device includes a water cooling head, a water pump, a water tank, a cold row and a water pipe, and the bottom of the heat conduction sheet is provided There is a water-cooled head, and the water-cooled head is connected to the water pump, the water tank and the cold row in sequence through the water pipe, the water tank is fixedly installed on the left side of the motor controller body, the water pump is installed on the right side of the water tank, and the front of the motor controller body is installed The cold row is provided with a fan on the surface of the cold row.

Preferably, the upper case cover and the lower case body are connected through concave-convex locking grooves, and the bolts are fixedly connected with the screw holes through countersunk holes.

Preferably, the cold row includes a condensation pipe, a heat dissipation net and a casing, the condensation pipe is fixed inside the casing, the heat dissipation mesh covers the surface of the casing, and the cold row is provided with a water inlet hole and a water outlet hole.

Preferably, the side of the water cooling head is provided with a water inlet hole and a water outlet hole, the water inlet hole of the water cooling head is connected to the water outlet hole of the water pump through a water pipe, and the water outlet hole of the water cooling head is connected to the water inlet hole of the cold row through a water pipe connect.

Preferably, a water outlet hole is provided at the upper end of the water tank and a water inlet hole is provided at the lower end, and a filter is provided inside the water tank.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. In this utility model, the heat generated by the motor controller is quickly exported by installing a heat conduction plate under the motor controller. By setting a water cooling head under the heat conduction plate, the heat absorption characteristics of water are used to quickly heat the heat conduction plate. To cool down, by using water cooling equipment, the heat dissipation efficiency of the motor controller is improved, and the service life of the electronic components in the motor controller is extended.

2. The utility model uses water cooling to dissipate heat, on the one hand, it improves the heat dissipation efficiency of the motor controller, and on the other hand, the cooling water can be reused, reflecting the design concept of environmental protection.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a left view schematic diagram of the structure of the utility model;

Fig. 3 is a structural schematic diagram of the utility model cold row;

In the figure: 1-motor controller body, 11-upper cover, 12-lower box, 13-bolt, 14-convex buckle, 15-counterbore, 16-concave slot, 17-screw hole Column, 2-radiating device, 21-water cooling head, 22-water pump, 23-water tank, 24-cooling row, 241-condensing pipe, 242-radiating net, 243-housing, 25-water pipe, 26-filter, 3- Heat conduction sheet, 4-fan, 5-water inlet, 6-water outlet.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

Please refer to Figures 1-3. This utility model provides a technical solution: a motor controller cooling device, including a motor controller body 1 and a cooling device 2. The motor controller body 1 includes an upper cover plate 11 and a lower box. 12. The upper box cover 11 and the lower box body 12 are fixedly connected by bolts 13, and the edge of the upper box cover 11 is provided with a convex buckle 14, and the four corners of the upper box cover 11 are provided with countersunk holes 15 , the top edge of the lower box 12 is provided with a concave card slot 16, the four corners of the lower box 12 are provided with screw holes 17, and the bottom of the lower box 12 is provided with a heat conducting sheet 3 to dissipate heat. The device 2 includes a water cooling head 21, a water pump 22, a water tank 23, a cold row 24 and a water pipe 25. A water cooling head 21 is provided under the heat conducting plate 3, and the water cooling head 21 is connected to the water pump 22, the water tank 23 and the cold row through the water pipe 25 in sequence. 24. The water tank 23 is fixedly installed on the left side of the motor controller body 1, the water pump 22 is arranged on the right side of the water tank 23, the cold row 24 is arranged in front of the motor controller body 1, and the surface of the cold row 24 is provided with fan4.

The upper box cover 11 and the lower box body 12 are connected through concave-convex card slots, and the bolts 13 are fixedly connected with the screw holes 17 through the countersunk holes 15, and are connected through the card slots to improve the sealing performance of the motor controller and reduce the Motor controllers are affected by external factors.

The cold row 24 includes a condensation pipe 241, a heat dissipation net 242 and a casing 243, the condensation pipe 241 is fixed inside the casing 243, the heat dissipation mesh 242 covers the surface of the casing 243, and the cold row 24 is provided with a water inlet 5 And the water outlet hole 6, the flow distance of the water flow is extended by providing the condensation pipe 241, and the cooling speed of the cooling water is increased with the fan 4.

The side of the water cooling head 21 is provided with a water inlet hole 5 and a water outlet hole 6, and the water inlet hole 5 of the water cooling head 21 is connected with the water outlet hole 6 of the water pump 22 through a water pipe 25, and the water outlet hole 6 of the water cooling head 21 is connected to the water outlet hole 6 of the water cooling head 21. The water inlet 5 of the row 24 is connected by a water pipe 25, and the cooling device 2 is connected by the water pipe 25, and connected by a suitable water channel, so as to improve the cooling efficiency of the cooling device 2 and improve the working efficiency of the motor controller.

The upper end of the water tank 23 is provided with a water outlet 6 and the lower end is provided with a water inlet 5. The water tank 23 is provided with a filter screen 26. By setting the water inlet 5 of the water tank 23 at the lower end of the water tank 23, it is convenient to make the water in the cooling water Impurities settle at the bottom of the water tank 23, and the cooling water is filtered again by the filter screen 26, so as to prevent impurities in the cooling water from damaging the water pump 22 and improve the service life of the water pump 22.

Working principle: when the utility model is working, first fix the heat conduction sheet 3 under the motor controller, the heat conduction sheet 3 transmits the heat generated when the motor controller works, and the water pump 22 transfers the cooling water in the water tank 23 along the water tank 23 The water outlet hole 6 of the water cooling head 21 is sent to the water cooling head 21, the cooling water flows in the water cooling head 21 and absorbs the heat of the heat conduction sheet 3, the water after absorbing heat flows to the cold row 24 along the water outlet hole 6 of the water cooling head 21, and the hot water flows along the cooling row The water inlet hole 5 of 24 enters into the condensation pipe 241, and the cooling pipe 241 is cooled by the fan 4, so that the water in the condensation pipe 241 is cooled rapidly, and finally the water flow enters the water tank 23 along the water outlet hole 6 of the cold row 24, and passes through the water tank 23 After sedimentation and filtration by the filter screen 26, the water pump 22 is used again, and the cooling water circulates repeatedly to improve the heat dissipation efficiency of the motor controller.

The above description is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, it can still understand the aforementioned The technical solutions described in each embodiment are modified, or some of the technical features are equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. A motor controller cooling device, including a motor controller body (1) and a cooling device (2), characterized in that: the motor controller body (1) includes an upper cover (11) and a lower box ( 12), the upper cover (11) and the lower box (12) are fixedly connected by bolts (13), the edge of the upper cover (11) is provided with a convex buckle (14), the upper cover (11) Countersunk holes (15) are provided at the four corners, and concave card slots (16) are provided at the top edge of the lower box (12), and four corners of the lower box (12) are There are screw holes (17), the bottom of the lower box (12) is provided with a heat conduction sheet (3), and the heat dissipation device (2) includes a water cooling head (21), a water pump (22), a water tank (23), a cooling radiator (24) and water pipes (25), the water cooling head (21) is provided under the heat conducting sheet (3), and the water cooling head (21) is connected to the water pump (22), water tank (23) and cooling row (24), the water tank (23) is fixedly installed on the left side of the motor controller body (1), the water pump (22) is arranged on the right side of the water tank (23), and the front side of the motor controller body (1) is There is a cold row (24), and the surface of the cold row (24) is provided with a fan (4). 2. A heat dissipation device for a motor controller according to claim 1, characterized in that: the upper cover (11) and the lower box (12) are connected through concave-convex slots, and the bolts (13) pass through The counterbore (15) is fixedly connected with the screw post (17). 3. A heat dissipation device for a motor controller according to claim 1, characterized in that: the cold row (24) includes a condensation pipe (241), a heat dissipation net (242) and a casing (243), and the condensation pipe (241) is fixed inside the casing (243), the heat dissipation net (242) covers the surface of the casing (243), and the cold row (24) is provided with water inlet holes (5) and water outlet holes (6). 4. A heat dissipation device for a motor controller according to claim 1, characterized in that: the side of the water cooling head (21) is provided with a water inlet hole (5) and a water outlet hole (6), and the water cooling head (21) ) of the water inlet (5) is connected with the water outlet (6) of the water pump (22) through the water pipe (25), and the water outlet (6) of the water cooling head (21) is connected with the water inlet of the cold row (24) ( 5) Connect through the water pipe (25). 5. A motor controller cooling device according to claim 1, characterized in that: the upper end of the water tank (23) is provided with a water outlet hole (6) and the lower end is provided with a water inlet hole (5), and the water tank (23) 23) filter screen (26) is provided inside.