CN-121977282-A - Electric control device and air conditioner outdoor unit

Abstract

The application discloses an electric control device and an air conditioner outdoor unit, wherein the electric control device comprises a box body, a circuit board, a radiator, a plurality of power devices and a fixing member, and the circuit board is arranged on the box body. The radiator is arranged on the box body and is positioned on one side of the circuit board. The power device comprises a body and pins which are connected, the pins of the power devices are connected to the circuit board, the bodies of the power devices are sequentially arranged along the extending direction of one side edge of the circuit board and are positioned outside the edge of the circuit board and are in heat conduction contact with the radiator. The fixing component is connected with the radiator and is pressed against the bodies of the power devices so as to press the bodies of the power devices against the radiator. According to the technical scheme, the efficient heat dissipation of the power device can be realized, the influence of heat accumulation on the working stability is avoided, the overall operation reliability is improved, the device space layout is optimized, and the manufacturability of the electric control device is improved.

Inventors

• LI YU
• YU ZESEN
• ZHONG CHUNLIN

Assignees

• 广州视源电子科技股份有限公司
• 合肥视研电子科技有限公司

Dates

Publication Date

20260505

Application Date

20250811

Claims (12)

1. 1. An electronic control device, comprising: A case body; the circuit board is arranged on the box body; The radiator is arranged on the box body and positioned on one side of the circuit board; The power devices comprise a body and pins which are connected, the pins of the power devices are connected with the circuit board, the bodies of the power devices are sequentially arranged along the extending direction of one side edge of the circuit board and are positioned outside the edge of the circuit board and are in heat conduction contact with the radiator, and The fixing component is connected with the radiator and is pressed against the bodies of the power devices so as to tightly press the bodies of the power devices against the radiator.
2. 2. The electrical control device of claim 1, wherein the fixing member comprises a heat conducting strip and a plurality of heat dissipating fins, the heat conducting strip is detachably connected to the heat sink and abuts against the bodies of the power devices, and the heat dissipating fins are arranged on the heat conducting strip at intervals.
3. 3. The electric control device according to claim 1, wherein the body is provided with a first connecting hole, and the radiator is provided with a second connecting hole corresponding to the first connecting hole; the electric control device further comprises a fastener, and the fastener penetrates through the first connecting hole and the second connecting hole to tightly press the body of the power device to the radiator.
4. 4. The electrical control device of claim 1, wherein the pins are bent and have a first end and a second end, the first end is connected to the circuit board, the second end is bent toward the edge of the circuit board and extends to the outside of the edge of the circuit board, and the body is connected to the second end.
5. 5. The electronic control of claim 4, further comprising a weak current element coupled to the same surface of the circuit board as the first end.
6. 6. The electrical control device of any one of claims 1 to 5, wherein the case is concavely formed with a groove, the circuit board is embedded in the groove, the case is further provided with a through hole penetrating through two opposite surfaces, and the through hole is positioned at one side of the groove; the radiator is connected to the surface of the box body, which is opposite to the groove, and at least part of the radiator is exposed from the through hole, and the body penetrates through the through hole and is attached to the radiator.
7. 7. The electrical control device of claim 6, wherein the case has an elastic buckle on a side wall of the groove, and the elastic buckle is used for being in clamping fit with an edge of the circuit board; and/or, the box body is provided with a positioning column on the bottom wall of the groove, the positioning column is provided with a threaded hole, the circuit board is provided with a screw through hole which is arranged corresponding to the threaded hole, and the circuit board passes through the screw through hole through a screw and is in threaded fit with the threaded hole so as to be fixed in the groove.
8. 8. The electric control device according to claim 7, wherein the heat sink comprises a base plate and a heat sink connected to the base plate, a limit groove is concavely formed on the surface of the box body facing away from the groove, the base plate is embedded in the limit groove, and the heat sink extends along the direction facing away from the groove; The bottom of the limit groove is communicated with the through hole, and the body penetrates through the through hole and is in heat conduction contact with the surface of the base plate, which is away from the radiating fins.
9. 9. The electric control device according to any one of claims 1 to 5, wherein the electric control device is applied to an outdoor unit of an air conditioner, a frequency conversion circuit and a main control circuit are arranged on the circuit board, the frequency conversion circuit and/or the main control circuit comprise the power device, the frequency conversion circuit is used for realizing frequency conversion of electric energy, and the main control circuit is used for controlling the working state of the frequency conversion circuit.
10. 10. An outdoor unit of an air conditioner, comprising: The air conditioner comprises a shell, a partition board, a fan cavity and a compression cavity, wherein the partition board is arranged in the shell and divides the space in the shell into the fan cavity and the compression cavity, the fan cavity is provided with a wind wheel, the compression cavity is provided with a compressor, and An electrical control device as claimed in any one of claims 1 to 9 mounted to the diaphragm and electrically connected to the compressor and at least partially located within the fan chamber.
11. 11. The outdoor unit of claim 10, wherein the partition has a relief notch extending through opposite surfaces thereof, and the radiator of the electric control device extends into the fan chamber through the relief notch, and air flow in the fan chamber can flow through the radiator.
12. 12. The outdoor unit of claim 11, wherein the partition is provided with one of a buckle and a buckle hole, and the case of the electric control device is provided with the other of the buckle and the buckle hole, and the buckle is in snap-fit with the buckle hole to fix the electric control device to the partition.

Description

Electric control device and air conditioner outdoor unit Technical Field The application relates to the technical field of electric control, in particular to an electric control device and an air conditioner outdoor unit. Background In the related art, an electric control device is arranged in an air conditioner outdoor unit, and a core component of the electric control device comprises a power device. These power devices may generate energy losses during operation, which may be released in the form of heat, resulting in an increase in the temperature of the power device. The operation reliability of the power device is closely related to the temperature of the power device, and when the temperature of the power device exceeds the upper limit defined by the specification, the power device is damaged due to overheating. If the heat generated by the power device cannot be timely emitted, the internal temperature of the electric control device is too high, so that the normal operation of the power device can be influenced, and the working stability and the service life of the whole electric control device can be directly influenced. However, the electric control device in the related art has a disadvantage in heat dissipation design, so that heat is easy to accumulate inside, and the heat dissipation effect is poor. Disclosure of Invention The embodiment of the application provides an electric control device and an air conditioner outdoor unit, which can realize efficient heat dissipation of a power device, avoid influencing working stability due to heat accumulation, improve overall operation reliability, optimize device space layout and improve manufacturability of the electric control device. In a first aspect, an embodiment of the present application provides an electronic control device, including: A case body; the circuit board is arranged on the box body; The radiator is arranged on the box body and positioned on one side of the circuit board; The power devices comprise a body and pins which are connected, the pins of the power devices are connected with the circuit board, the bodies of the power devices are sequentially arranged along the extending direction of one side edge of the circuit board and are positioned outside the edge of the circuit board and are in heat conduction contact with the radiator, and The fixing component is connected with the radiator and is pressed against the bodies of the power devices so as to tightly press the bodies of the power devices against the radiator. In some embodiments, the fixing member includes a heat-conducting strip and a plurality of heat-dissipating fins, the heat-conducting strip is detachably connected to the heat sink and presses against the bodies of the power devices, and the heat-dissipating fins are connected to the heat-conducting strip at intervals. In some embodiments, the body is provided with a first connecting hole, and the radiator is provided with a second connecting hole corresponding to the first connecting hole; the electric control device further comprises a fastener, and the fastener penetrates through the first connecting hole and the second connecting hole to tightly press the body of the power device to the radiator. In some embodiments, the pin is bent, and has a first end and a second end, the first end is connected with the circuit board, the second end is bent in a direction away from the edge of the circuit board and extends to the outer side of the edge of the circuit board, and the body is connected with the second end. In some embodiments, the circuit board further comprises a weak current element, wherein the weak current element is connected to the same surface of the circuit board, which is connected with the first end. In some embodiments, the box body is concavely provided with a groove, the circuit board is embedded in the groove, the box body is also provided with a through hole penetrating through two opposite surfaces, and the through hole is positioned at one side of the groove; the radiator is connected to the surface of the box body, which is opposite to the groove, and at least part of the radiator is exposed from the through hole, and the body penetrates through the through hole and is attached to the radiator. In some embodiments, the side wall of the groove of the box body is provided with an elastic buckle, and the elastic buckle is used for being in clamping fit with the edge of the circuit board; and/or, the box body is provided with a positioning column on the bottom wall of the groove, the positioning column is provided with a threaded hole, the circuit board is provided with a screw through hole which is arranged corresponding to the threaded hole, and the circuit board passes through the screw through hole through a screw and is in threaded fit with the threaded hole so as to be fixed in the groove. In some embodiments, the heat sink includes a substrate and a heat sink connected to the substrate, a limi