CN210226072U - Motor controller box - Google Patents
Motor controller box Download PDFInfo
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- CN210226072U CN210226072U CN201920932581.0U CN201920932581U CN210226072U CN 210226072 U CN210226072 U CN 210226072U CN 201920932581 U CN201920932581 U CN 201920932581U CN 210226072 U CN210226072 U CN 210226072U
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- cooling channel
- controller box
- mounting hole
- side wall
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Abstract
The utility model provides a machine controller box, machine controller box includes: the motor controller box comprises a main body, a cooling channel and a motor controller box body, wherein the main body is formed into a cuboid shape with a cavity, the main body is provided with an opening, the inside of at least one wall of the main body is provided with the cooling channel, and the temperature of the motor controller box body can be reduced by flowing a refrigerant in the cooling channel; a cover plate connected to the body and covering the opening. Through the technical scheme, the utility model discloses at the inside refrigeration passageway that sets up of wall of machine controller box, through the temperature reduction that the refrigerant can make machine controller circulate in the refrigeration passageway to reduce the influence of external environment temperature to the inside temperature of machine controller.
Description
Technical Field
The utility model relates to a machine controller field especially relates to a machine controller box.
Background
Along with the development of the electric drive vehicle, the electric drive vehicle has higher and higher requirements on the power of the motor, the motor controller is used for controlling the motor to work, the motor controller can generate heat, the working environment temperature is higher, and the motor controller needs to have good heat dissipation performance in order to work normally.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a machine controller box makes machine controller have good heat dispersion, can normally work in high temperature environment.
The utility model provides a machine controller box, machine controller box includes:
the motor controller box comprises a main body, a cooling channel and a motor controller box body, wherein the main body is formed into a cuboid shape with a cavity, the main body is provided with an opening, the inside of at least one wall of the main body is provided with the cooling channel, and the temperature of the motor controller box body can be reduced by flowing a refrigerant in the cooling channel;
a cover plate connected to the body and covering the opening.
Preferably, the main part includes backplate, last lateral wall, lower lateral wall, left side wall and right side wall, the backplate is provided with the IGBT mounting hole that is used for installing the IGBT, the inside of backplate is provided with first refrigeration passageway, the backplate is provided with water inlet and delivery port, first refrigeration passageway intercommunication the water inlet with the delivery port.
Preferably, the first refrigeration channel comprises a main water inlet channel, a main water outlet channel and an IGBT channel, one end of the IGBT channel is connected with the main water inlet channel, and the other end of the IGBT channel is connected with the main water outlet channel.
Preferably, the IGBT channel is coiled to form an S-shape.
Preferably, the upper side wall is provided with a first aviation plug mounting hole, a second refrigeration channel is arranged inside the upper side wall, and the second refrigeration channel is communicated with the first refrigeration channel.
Preferably, a third refrigeration channel is arranged inside at least one of the left side wall and the right side wall, and the third refrigeration channel is communicated with the first refrigeration channel.
Preferably, the second refrigeration channel and the third refrigeration channel are connected in series and then connected in parallel with the IGBT channel.
Preferably, a heat conduction member mounting hole is provided beside the third refrigeration passage.
Preferably, one of the left and right side walls is provided with at least one of a second aviation plug mounting hole, a breather valve mounting hole and a ground.
Preferably, the main body and the cap plate are made of an aluminum alloy material.
Through the technical scheme, the utility model discloses at the inside refrigeration passageway that sets up of wall of machine controller box, through the temperature reduction that the refrigerant can make machine controller circulate in the refrigeration passageway to reduce the influence of external environment temperature to the inside temperature of machine controller.
Drawings
Fig. 1 shows a schematic structural diagram of a main body of a motor controller case according to an embodiment of the present invention.
Fig. 2 shows a cross-sectional view of a back plate of a electromechanical controller housing according to an embodiment of the present invention.
Fig. 3 shows a cross-sectional view of an upper sidewall of an electromechanical controller housing according to an embodiment of the present invention.
Fig. 4 shows a cross-sectional view of the left side wall of the electromechanical controller housing according to an embodiment of the present invention.
Fig. 5 shows a cross-sectional view of the right side wall of the electromechanical controller housing according to an embodiment of the present invention.
Fig. 6 shows a partial cross-sectional view of a cover plate and a body connection portion of a machine controller housing according to an embodiment of the invention.
Description of the reference numerals
1 backplate 2 upper side wall 3 lower side wall 4 left side wall 5 right side wall 6 front mounting plate 7 lightening groove 8 first mounting hole 9 first aviation plug mounting hole 9a direct current aviation plug mounting hole 9b alternating current aviation plug mounting hole 10 ground connection 11 delivery port 12 breather valve mounting hole 13 second aviation plug mounting hole 14 hoisting piece mounting hole 15 water inlet 16 sealing slot 17 cover plate mounting hole 18IGBT mounting hole 19 heat-conducting piece mounting hole 20 second mounting hole 21 second refrigeration passageway 22 third refrigeration passageway S first refrigeration passageway 23 main water outlet way 24IGBT passageway 25 main water inlet way 26 sealing rubber strip 27 cover plate 100 main body.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the detailed description is only intended to teach one skilled in the art how to practice the invention, and is not intended to exhaust all possible ways of practicing the invention, nor is it intended to limit the scope of the invention.
As shown in fig. 1 to 6, the present invention provides a motor controller case (hereinafter sometimes referred to as "case") including a main body 100 and a cover plate 27.
The main body 100 is formed in a rectangular parallelepiped shape having a cavity surrounded by the back plate 1, the upper side wall 2, the lower side wall 3, the left side wall 4, and the right side wall 5, one surface of the main body 100 is provided with an opening, for example, the front surface of the main body 100 is provided with an opening, and the opening can be covered by the cover plate 27 by connecting the main body 100 and the cover plate 27. The cover plate 27 is made of the same material as the main body 100.
The edge portion of the opening forms a front mounting plate 6, the front mounting plate 6 extends towards the inner side of the opening, the front mounting plate 6 is flat, and the front mounting plate 6 is provided with a sealing groove 16 and a plurality of cover plate mounting holes 17. The width of the front mounting plate 6 is narrowed as much as possible on the premise that the sealing groove 16 and the cover plate mounting hole 17 can be provided, so that smooth installation can be ensured when devices inside the box body are installed.
The sealing groove 16 forms a closed shape around the opening of the body 100, and the sealing groove 16 is used for accommodating the sealing rubber strip 26.
A cover mounting hole 17 is formed at an outer side of the sealing groove 16, and the cover 27 is coupled to the main body 100 through the cover mounting hole 17. The sealing between the main body 100 and the cover plate 27 can be achieved by pressing the sealing rubber strip 26 in the sealing groove 16 by the cover plate, for example, the IP67 sealing protection grade can be achieved. The cross-section of the sealing groove 16 may be rectangular, and the turning radius of the sealing groove 16 at the corner position is not less than twice the width of the sealing groove 16, which is advantageous for uniform compression of the bead 26.
Preferably, the roughness of the bottom surface of the sealing groove 16 is not greater than Ra1.6, so that a good sealing effect can be formed between the sealing groove 16 and the sealing rubber strip 26.
The box body is provided with a grounding part 10, the grounding part 10 can be arranged on the upper part of the right side wall 5, the grounding part 10 is used for grounding the motor controller, and the size of the grounding part 10 is determined according to the cable sectional area required by the maximum short-circuit current of the motor controller.
The box is provided with breather valve mounting hole 12, and breather valve mounting hole 12 can set up in the upper portion of right side wall 5, and breather valve mounting hole 12 is used for installing the breather valve, and the breather valve can be used to the pressure of the inside and outside both sides of balanced box. The size and shape of the breather valve mounting hole 12 is compatible with the size and shape of the breather valve to be used.
The box sets up second aviation plug mounting hole 13, and second aviation plug mounting hole 13 can set up in the right side wall 5 of box, and second aviation plug that is used for communication control and secondary power supply can be installed to second aviation plug mounting hole 13. The second aeroplug mounting hole 13 may be provided in plurality, for example 4.
The left side wall and the right side wall of the box body are provided with hoisting piece mounting holes 14, and the hoisting piece mounting holes 14 are used for mounting hoisting pieces such as hoisting rings. The hoisting piece mounting holes 14 on the left side wall and the right side wall are staggered in the vertical direction, so that the connecting line of the two installed hoisting pieces passes through the gravity center of the motor controller, and the motor controller is hoisted through the hoisting pieces when the motor controller is installed and transported, so that the stability of the motor controller can be kept.
An edge portion of the case, for example, an edge portion of the back plate 1 of the case, is provided with a first mounting hole 8, and the case can be mounted to the support member through the first mounting hole 8.
The inner side surfaces of the left side wall 4 and the right side wall 5 are provided with second mounting holes 20, and the second mounting holes 20 can be used for fixing internal devices or structural members of the box body.
The back plate 1 of the box body is provided with IGBT mounting holes 18, and the IGBT mounting holes 18 are used for mounting IGBTs (insulated gate bipolar transistors). The IGBT mounting hole 18 is formed in the middle upper portion of the back plate 1, so that the alternating current side of the IGBT can be close to the upper side wall 2, the alternating current end of the IGBT can be conveniently connected with an aviation plug, and the structure of devices inside the box body is compact. The IGBT mounting holes 18 are grouped in two rows arranged in the vertical direction, and the IGBT is mounted between the two rows of IGBT mounting holes 18. The IGBT mounting holes 18 are arranged in a plurality of groups, for example, 6 groups, in the left-right direction, so as to meet the requirement of driving 2 groups of motors.
The inside of the backplate 1 of box is provided with first refrigeration passageway S, and first refrigeration passageway S includes main inlet channel 25, main outlet channel 23 and IGBT passageway 24. The side of the back plate 1 is provided with a water inlet 15 and a water outlet 11, the water inlet 15 is communicated with the main water inlet channel 25, and the water outlet 11 is communicated with the main water outlet channel 23. One end of the IGBT channel 24 is connected with the main water inlet channel 25, and the other end of the IGBT channel 24 is connected with the main water outlet channel 23. The IGBT channels 24 may be provided in multiple sets, each set of IGBT channels 24 may have 2 independent channels wound in an S-shape, and each set of IGBT channels 24 has 2 inlet ends communicating with the main water inlet channel 25 and 2 outlet ends communicating with the main water outlet channel 23. It should be noted that the inner diameter of the IGBT channel 24 is not too thin in view of robustness, for example, the inner diameter may be larger than 2 mm. The IGBT channels 24 are located between the two rows of IGBT mounting holes 18, and the IGBT channels 24 serve to reduce the temperature of the IGBTs.
The upper side wall 2 of the box body is provided with a plurality of first aviation plug mounting holes 9, for example, the number of the first aviation plug mounting holes 9 can be 10, and the first aviation plug mounting holes 9 comprise direct current aviation plug mounting holes 9a and alternating current aviation plug mounting holes 9 b. For example, 4 dc aviation plug mounting holes 9a are provided, 6 ac aviation plug mounting holes 9b are provided, and the dc aviation plug mounting holes 9a may be provided on both sides of the ac aviation plug mounting holes 9b in the left-right direction.
The back plate 1 and the upper side wall 2 of the box body can be provided with a plurality of weight reducing grooves 7, and the weight reducing grooves 7 can be rectangular blind holes and are used for reducing the weight of the box body.
The inside of the upper side wall 2 of the box body is provided with a second refrigeration channel 21, and the second refrigeration channel 21 extends along the left-right direction approximately and is close to the first aviation plug mounting hole 9.
It will be appreciated that the second cooling channel 21 may dissipate heat from the aircraft plug mounted to the first aircraft plug mounting hole 9. Under the condition that the current-carrying capacity of the aviation plug is large, although the aviation plug still works within the rated current range, the temperature rise of the core material of the aviation plug can reach about 60 ℃, and the core material becomes a high-temperature point in combination with high environmental temperature. The high temperature of the aviation plug may raise the temperature of the adjacent electrical device through the conductive path. The temperature of the aircraft plug can be reduced by means of the second cooling channel 21.
And a third refrigerating channel 22 is arranged inside the left side wall 4, and the third refrigerating channel 22 is connected with the second refrigerating channel 21 in series and then connected with the IGBT channel 24 in parallel. For example, one end of the third cooling channel 22 is connected to the second cooling channel 21, the other end of the third cooling channel 22 is connected to the main water inlet channel 25, one end of the second cooling channel 21 is connected to the third cooling channel 22, and the other end of the second cooling channel 21 is connected to the main water outlet channel 23.
The left side wall 4 of the box body is provided with a heat conducting member mounting hole 19, the heat conducting member mounting hole 19 is used for mounting a heat conducting member, and the heat conducting member mounting hole 19 is close to the third refrigeration channel 22. It will be appreciated that the heat-conducting member may be connected to a location in the cabinet where a local high temperature may occur, and when a local high temperature occurs in the cabinet, the heat may be guided to the third cooling passage 22 by the heat-conducting member, thereby ensuring that the temperature inside the cabinet is controllable. In a specific embodiment, the path of the third cooling passage 22 may be adjusted according to the position of the components generating a high temperature inside the cabinet.
The box body can be made of aluminum alloy materials, on one hand, the aluminum alloy has good heat-conducting property, the processing technology is mature, and the welding and machining performance is excellent. On the other hand, the aluminum alloy has low density and light weight under the condition of meeting the same structural strength. The upper side wall, the lower side wall, the left side wall and the right side wall can be integrally formed rectangular frames, and the back plate and the rectangular frames can be connected in a welding mode. The welding of aluminum alloy can adopt friction stir welding, and the welding intensity of this mode is high, and the heat altered shape is little, and welding quality is reliable. The cabinet may be made of, for example, an aluminum alloy available under the trade designation AL 6063.
It can be understood that the box body is made of aluminum alloy with high heat conductivity coefficient, three side walls of the box body are provided with flow channels, and the overall temperature of the box body is close to the temperature of the refrigerant in the flow channels, so that heat exchange between the inside and the outside of the box body can be isolated. The heat inside and outside the box body is exchanged with the refrigerant in the flow channel, the temperature in the box body depends on the temperature of the refrigerant, and the environment adaptability of the motor controller can be greatly improved by selecting the appropriate refrigerant. Through verifying, adopt the utility model discloses the motor controller reliable application of box can be under the ambient temperature of up to 105 ℃.
The mounting holes (the first aviation plug mounting hole 9, the second aviation plug mounting hole 13, the hoisting piece mounting hole 14, the cover plate mounting hole 17, the IGBT mounting hole 18, the heat conducting piece mounting hole 19, the second mounting hole 20 and the like) except the breather valve mounting hole 12 and the first mounting hole 8 are blind holes, and stainless steel thread sleeves are embedded in the blind holes. It can be understood that the blind hole makes the box sealed, and because the box uses the lower aluminium alloy material of hardness to make, uses the stainless steel swivel nut to make the screw thread of mounting hole not fragile.
Although the specific technical solutions of the present invention are explained in detail in the above specific embodiments, it should be further explained that:
(1) in the above embodiment, the second aviation plug mounting hole 13, the breather valve mounting hole 12, and the ground connection portion 10 are provided in the right side wall. However, the present invention is not limited thereto, and the second aviation plug mounting hole 13, the breather valve mounting hole 12, and the ground connection portion 10 may be provided at the left sidewall.
(2) In the above embodiment, the third cooling passage 22 is provided in the left side wall 4, but the present invention is not limited thereto, and the third cooling passage 22 may be provided in the right side wall 5.
Claims (10)
1. A motor controller enclosure, comprising:
the motor controller box comprises a main body, a cooling channel and a motor controller box body, wherein the main body is formed into a cuboid shape with a cavity, the main body is provided with an opening, the inside of at least one wall of the main body is provided with the cooling channel, and the temperature of the motor controller box body can be reduced by flowing a refrigerant in the cooling channel;
a cover plate (27), the cover plate (27) being connected to the body and covering the opening.
2. The electromechanical controller box according to claim 1, characterized in that the main body comprises a back plate (1), an upper side wall (2), a lower side wall (3), a left side wall (4) and a right side wall (5), the back plate (1) is provided with an IGBT mounting hole (18) for mounting an IGBT, the inside of the back plate (1) is provided with a first cooling channel (S), the back plate (1) is provided with a water inlet (11) and a water outlet (15), and the first cooling channel (S) is communicated with the water inlet (11) and the water outlet (15).
3. The electromechanical controller box according to claim 2, characterised in that the first cooling channel (S) comprises a main water inlet channel (25), a main water outlet channel (23) and an IGBT channel (24), one end of the IGBT channel (24) being connected to the main water inlet channel (25) and the other end of the IGBT channel (24) being connected to the main water outlet channel (23).
4. The electromechanical controller box according to claim 3, characterised in that the IGBT channel (24) is coiled to form an S-shape.
5. The electromechanical controller box according to claim 3, characterised in that the upper side wall (2) is provided with a first aviation plug mounting hole (9), and the inside of the upper side wall (2) is provided with a second cooling channel (21), the second cooling channel (21) communicating with the first cooling channel (S).
6. The electromechanical controller box according to claim 5, characterised in that at least one of the left (4) and right (5) side walls is internally provided with a third cooling channel (22), the third cooling channel (22) communicating with the first cooling channel (S).
7. The electromechanical controller box according to claim 6, characterised in that the second cooling channel (21) and the third cooling channel (22) are connected in series and then in parallel with the IGBT channel (24).
8. The electromechanical controller housing according to claim 6, characterised in that a heat conductor mounting hole (19) is provided beside the third cooling channel (22).
9. The electromechanical controller box according to claim 6, characterised in that one of the left (4) and right (5) side walls is provided with at least one of a second aviation plug mounting hole (13), a breather valve mounting hole (12) and a ground connection (10).
10. The electromechanical controller housing according to any of claims 1 to 9, characterised in that the main body and the cover plate (27) are made of an aluminium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932581.0U CN210226072U (en) | 2019-06-20 | 2019-06-20 | Motor controller box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932581.0U CN210226072U (en) | 2019-06-20 | 2019-06-20 | Motor controller box |
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| Publication Number | Publication Date |
|---|---|
| CN210226072U true CN210226072U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920932581.0U Active CN210226072U (en) | 2019-06-20 | 2019-06-20 | Motor controller box |
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| Country | Link |
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| CN (1) | CN210226072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112770605A (en) * | 2020-12-28 | 2021-05-07 | 安徽银汉机电科技有限公司 | Low-noise high-power stepping motor controller |
-
2019
- 2019-06-20 CN CN201920932581.0U patent/CN210226072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112770605A (en) * | 2020-12-28 | 2021-05-07 | 安徽银汉机电科技有限公司 | Low-noise high-power stepping motor controller |
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