Servo controller

Abstract

The utility model discloses a servo controller, which comprises a shell and a circuit board arranged in the shell, and is characterized in that a heat dissipation structure is detachably arranged on the circuit board, the heat dissipation structure comprises a heat dissipation plate, a mounting part and a plurality of heat dissipation fins which are integrally formed, the heat dissipation plate is detachably connected with a heat dissipation fan, and the heat dissipation fan is detachably connected with the mounting part. The shell is provided with an air inlet through hole and a plurality of first through holes aligned with the cooling fan. The heat dissipation structure of the servo controller comprises the heat dissipation plate, the installation part and the heat dissipation fins which are integrally formed, has the advantages of being high in structural strength, consistent in heat conduction path and easy and convenient to machine and assemble, the heat dissipation structure is detachably connected with the circuit board, independent disassembly, cleaning or replacement is facilitated, the maintainability of equipment is greatly improved, and the service life of the equipment is prolonged. And the cooling fan can also be independently disassembled and assembled, so that replacement or upgrading is facilitated, and the shutdown maintenance time is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of controller, specifically relates to a servo controller. BACKGROUND

[0002] The servo controller is widely applied in industrial automation equipment, and a power device generates a large amount of heat when working, if heat dissipation is not in time, the device temperature will rise, performance will decline, and even equipment failure will be caused, at present, the heat dissipation structure of the existing servo controller is mostly fixedly connected with the circuit board or integrally packaged, the heat dissipation module cannot be separately disassembled, leading to cleaning difficulty, inconvenient maintenance, and once the heat dissipation fan is damaged or the heat dissipation fin is seriously dusty, only the whole can be replaced or disassembled and cleaned, so that the maintenance cost and time are increased.

[0003] In addition, the traditional heat dissipation structure is often limited in heat dissipation area, the air duct design is single, and airflow is difficult to effectively cover the heat element concentration area, so the heat dissipation efficiency needs to be improved, therefore, a servo controller heat dissipation scheme with good heat dissipation effect, stable structure and convenient disassembly and maintenance is urgently needed. SUMMARY

[0004] In view of the deficiencies in the background art, the technical problem to be solved by the utility model is to provide a servo controller with a detachable heat dissipation structure, high heat dissipation efficiency and convenient maintenance.

[0005] Therefore, the utility model is adopted with the following technical scheme to realize it:

[0006] The servo controller comprises a shell and a circuit board arranged in the shell, characterized in that: a heat dissipation structure is detachably arranged on the circuit board, the heat dissipation structure comprises an integrally formed heat dissipation plate, a mounting portion and a plurality of heat dissipation fins, a heat dissipation fan is detachably connected to the heat dissipation plate, and the shell is provided with an air inlet through hole and a plurality of first through holes aligned with the heat dissipation fan.

[0007] Further, a plurality of rows of upwardly protruding heat dissipation columns are arranged in the middle of the heat dissipation plate, and the heat dissipation fan is located above the heat dissipation columns.

[0008] Further, a positioning column and a mounting column are further arranged on the heat dissipation plate, the heat dissipation fan has a plurality of second through holes, the positioning column can pass through the second through hole, the mounting column has a first threaded hole aligned with one of the second through holes, and the second through hole is screwed with a first bolt to realize detachable connection of the heat dissipation fan and the heat dissipation plate.

[0009] Further, the mounting portion is distributed around the heat dissipation plate, and the mounting portion is provided with a mounting hole, the circuit board is provided with a second threaded hole aligned with the mounting hole, the mounting hole is screwed with a second bolt and the second threaded hole to realize detachable connection of the heat dissipation structure and the circuit board.

[0010] Further, the several heat dissipation fins are arranged along the length direction of the heat dissipation plate, and the heat dissipation fins other than the two outermost heat dissipation fins are provided with strip-shaped opening grooves penetrating the heat dissipation plate and opening towards the circuit board along the length direction of the heat dissipation fins.

[0011] After the above technical scheme is adopted, the heat dissipation structure comprises the integrally formed heat dissipation plate, the mounting part and the several heat dissipation fins, has the advantages of high structural strength, consistent heat conduction path and simple processing and assembly, the heat dissipation structure and the circuit board are detachably connected, and the heat dissipation structure is convenient to independently disassemble, clean or replace, the maintainability of the equipment is greatly improved, the heat dissipation fan can also be independently disassembled, and the heat dissipation fan is convenient to replace or upgrade, and the downtime maintenance time is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model has the following drawings:

[0013] Fig. 1 It is the three-dimensional structure explosion schematic view of the utility model;

[0014] Fig. 2 It is the cross section structure schematic view of the heat dissipation structure in the utility model.

[0015] Reference signs: 1, shell, 2, circuit board, 3, heat dissipation plate, 4, mounting part, 5, heat dissipation fin, 6, heat dissipation fan, 7, first through hole, 8, heat dissipation column, 9, positioning column, 10, mounting column, 11, second through hole, 12, first threaded hole, 13, first bolt, 14, mounting hole, 15, second threaded hole, 16, strip-shaped opening groove. DETAILED DESCRIPTION

[0016] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model are described in detail as follows by combining with the drawings and preferred embodiments.

[0017] Referring to the above drawings Figs. 1-2As shown, the servo controller provided by the utility model includes a shell 1 and a circuit board 2 arranged in the shell 1, and is characterized by that: a detachable heat dissipation structure is arranged on the circuit board 2, the heat dissipation structure comprises an integrally formed heat dissipation plate 3, a mounting portion 4 and a plurality of heat dissipation fins 5, a heat dissipation fan 6 is detachably connected to the heat dissipation plate 3, the shell 1 is provided with an air inlet through hole and a plurality of first through holes 7 aligned with the heat dissipation fan 6, a plurality of rows of upward protruding heat dissipation columns 8 are arranged in the middle of the heat dissipation plate 3, the heat dissipation fan 6 is located above the heat dissipation columns 8, a positioning column 9 and a mounting column 10 are further arranged on the heat dissipation plate 3, the heat dissipation fan 6 is provided with a plurality of second through holes 11, the positioning column 9 can pass through the second through holes 11, the mounting column 10 is provided with a first threaded hole 12 aligned with one of the second through holes 11, the second through holes 11 are screwed with first bolts 13 to realize detachable connection of the heat dissipation fan 6 and the heat dissipation plate 3, the mounting portion 4 is distributed around the heat dissipation plate 3, and the mounting portion 4 is provided with a mounting hole 14, the circuit board 2 is provided with a second threaded hole 15 aligned with the mounting hole 14, the mounting hole 14 is screwed with the second threaded hole 15 through a second bolt to realize detachable connection of the heat dissipation structure and the circuit board 2, a plurality of the heat dissipation fins 5 are arranged along the length direction of the heat dissipation plate 3, and the heat dissipation fins 5 except the two outermost heat dissipation fins are provided with strip-shaped opening grooves 16 penetrating through the heat dissipation plate 3 and opening towards the circuit board 2 along the length direction thereof.

[0018] In the embodiment, the heat dissipation structure comprises the integrally formed heat dissipation plate 3, the mounting portion 4 and the plurality of heat dissipation fins 5, has the advantages of high structural strength, consistent heat conduction path and simple processing and assembly, the heat dissipation structure is detachably connected with the circuit board 2, is convenient to independently disassemble, clean or replace, greatly improves the maintainability of the equipment, the heat dissipation fan 6 can also be independently disassembled, is convenient to replace or upgrade, and reduces the downtime for maintenance;

[0019] The plurality of rows of heat dissipation columns 8 are arranged on the heat dissipation plate 3, the heat dissipation surface area is increased, the heat dissipation capacity is improved, the heat dissipation fan 6 is located directly above the heat dissipation columns 8, a directional air flow can be formed, the forced convection heat dissipation effect is effectively enhanced, and the temperature rise of the heating element is reduced;

[0020] Preliminary positioning is realized through cooperation of the positioning column 9 and the second through hole 11, installation misalignment is avoided, and then fastening connection of the first bolt 13 and the first threaded hole 12 on the mounting column 10 is realized, so that firm installation of the heat dissipation fan 6 is realized, the structure has good vibration resistance, reliable connection, and meanwhile maintains the convenience of disassembly;

[0021] The mounting portion 4 is evenly distributed around the heat dissipation plate 3 and connected with the circuit board 2 through a plurality of second bolts, so that the mounting of the heat dissipation structure on the circuit board 2 is uniformly stressed, firm and reliable, connection loosening caused by single-point stress or long-term thermal stress is avoided, complete detachable connection of the heat dissipation structure and the circuit board 2 makes the entire heat dissipation module be conveniently disassembled when the circuit board 2 or other components are maintained, and mutual interference is avoided.

[0022] The strip-shaped open grooves 16 on the heat dissipation fins 5 form a channel for guiding air flow, increasing the heat dissipation area. When the air flow passes through the heat dissipation fins 5, part of the air flow will be guided to the surface of the circuit board 2 through the strip-shaped open grooves 16, thereby directly assisting in cooling the heat generating components on the circuit board 2, enhancing the uniformity and targeting of overall heat dissipation, and further improving the heat dissipation efficiency.

Claims

1. A servo controller comprising a housing and a circuit board disposed within the housing, the servo controller characterized by: The circuit board is detachably provided with a heat dissipation structure, the heat dissipation structure comprises an integrally formed heat dissipation plate, a mounting portion and a plurality of heat dissipation fins, the heat dissipation plate is detachably connected with a heat dissipation fan, and the shell is provided with an air inlet through hole and a plurality of first through holes aligned with the heat dissipation fan.

2. The servo controller of claim 1, wherein: The middle part of the heat dissipation plate is provided with a plurality of rows of upward protruding heat dissipation columns, and the heat dissipation fan is located above the heat dissipation columns.

3. The servo controller of claim 2, wherein: The heat dissipation plate is further provided with a positioning column and a mounting column, the heat dissipation fan has a plurality of second through holes, the positioning column can pass through the second through holes, the mounting column has a first threaded hole aligned with one of the second through holes, and the second through hole is threaded with a first bolt to achieve detachable connection of the heat dissipation fan and the heat dissipation plate.

4. A servo controller according to claim 1 or 2 or 3, characterised in that: The mounting portion is distributed around the heat dissipation plate, and the mounting portion is provided with a mounting hole, the circuit board is provided with a second threaded hole aligned with the mounting hole, the mounting hole is threaded with a second bolt to be screwed with the second threaded hole to achieve detachable connection of the heat dissipation structure and the circuit board.

5. The servo controller of claim 4, wherein: A plurality of heat dissipation fins are arranged along the length direction of the heat dissipation plate, and the heat dissipation fins except the two outermost heat dissipation fins are provided with strip-shaped opening grooves penetrating through the heat dissipation plate and opening towards the circuit board along the length direction of the heat dissipation fins.

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