Heat dissipation structure, servo driver and servo device

Abstract

The utility model relates to the field of servo drivers, in particular to a heat dissipation structure, a servo driver and a servo device. The purpose of the utility model is to provide the heat dissipation structure, the servo driver and the servo device, the heat dissipation structure is compact in size and simple in installation, heat dissipation can be efficiently provided for the IGBT module in the servo device, and the stability and reliability of the servo device in a high-load working state are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of servo driver. More specifically, the utility model relates to a heat dissipation structure, a servo driver and a servo device. BACKGROUND

[0002] As a key component in industrial automation systems, the stability and reliability of the performance of the servo driver are crucial to the entire system. Since the servo driver generates a large amount of heat during operation, especially the multiple IGBT modules in the servo driver, if the heat cannot be effectively dissipated, it will cause the driver to overheat, affecting its performance and service life, and even possibly damaging the driver. The existing heat dissipation and control solutions often have insufficient heat dissipation efficiency, especially in space-limited situations, the heat dissipation problem is more prominent. Therefore, developing a high-efficiency heat dissipation structure is of great significance to improve the performance and reliability of the servo driver. SUMMARY

[0003] The utility model aims at providing a heat dissipation structure, a servo driver and a servo device, the heat dissipation structure is compact in size, easy to install, and can efficiently provide heat dissipation for the IGBT modules in the servo device, ensuring the stability and reliability of the servo device under high-load working conditions.

[0004] To achieve these objects and other advantages in accordance with the utility model, a heat dissipation structure is provided, comprising:

[0005] Keel frame;

[0006] Two heat dissipation drivers are oppositely arranged on the keel frame, and each of the opposite faces of the two heat dissipation drivers is provided with a plurality of heat dissipation parts arranged in sequence and at intervals, and the heat dissipation parts between the two heat dissipation drivers are staggered.

[0007] Further, the heat dissipation structure comprises:

[0008] A contact plate connected to the keel frame, one side of which is a heat dissipation contact surface;

[0009] A plurality of heat dissipation fins arranged in parallel on the contact plate, the heat dissipation fins forming the heat dissipation parts, and the heat dissipation fins on the two contact plates being staggered.

[0010] Further, the heat dissipation structure comprises:

[0011] Further, the heat dissipation structure comprises:

[0012] Further, the heat dissipation structure comprises:

[0013] A bottom plate;

[0014] Two connecting plates are arranged on the bottom plate, and the connecting plates are provided with notches corresponding to the heat dissipation contact surfaces; two contact plates are arranged between the two connecting plates and are detachably connected with the connecting plates.

[0015] Further, the heat dissipation structure comprises:

[0016] Further, the heat dissipation structure comprises:

[0017] Further, the heat dissipation structure comprises:

[0018] The utility model also provides a servo driver, including driver body, still include above -mentioned heat dissipation structure, two heat dissipation contact surfaces of heat dissipation driver are connected with IGBT module in driver body respectively.

[0019] The utility model also provides a servo device, including above -mentioned servo driver.

[0020] The utility model has the advantages of:

[0021] The heat dissipation structure comprises two heat dissipation drivers arranged oppositely on the keel frame, and the heat dissipation drivers are connected with IGBT modules respectively, the IGBT modules conduct heat to the heat dissipation drivers, the two heat dissipation drivers are crossed to form a double convection heat dissipation structure, which effectively promotes the IGBT modules installed oppositely to exhaust hot air and inhale cold air, forming an efficient double convection heat dissipation mechanism.

[0022] Other advantages, objects and features of the utility model will be embodied partly through the following description, and will be understood by those skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 The heat dissipation structure comprises two heat dissipation drivers arranged oppositely on the keel frame, and the heat dissipation drivers are connected with IGBT modules respectively, the IGBT modules conduct heat to the heat dissipation drivers, the two heat dissipation drivers are crossed to form a double convection heat dissipation structure, which effectively promotes the IGBT modules installed oppositely to exhaust hot air and inhale cold air, forming an efficient double convection heat dissipation mechanism.

[0024] Fig. 2 The heat dissipation structure comprises two heat dissipation drivers arranged oppositely on the keel frame, and the heat dissipation drivers are connected with IGBT modules respectively, the IGBT modules conduct heat to the heat dissipation drivers, the two heat dissipation drivers are crossed to form a double convection heat dissipation structure, which effectively promotes the IGBT modules installed oppositely to exhaust hot air and inhale cold air, forming an efficient double convection heat dissipation mechanism.

[0025] Wherein, the reference signs are represented as:

[0026] Keel frame 1; bottom plate 11; connecting plate 12; connecting rod 13; slide 14;

[0027] Heat dissipation driver 2; contact plate 21; fin 22; DETAILED DESCRIPTION

[0028] The utility model will be further described in detail below in combination with examples, so that the person skilled in the art can implement according to the description.

[0029] It should be noted that in the description of the utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0030] As Figs. 1-2 The utility model discloses an embodiment provides a heat dissipation structure, comprising:

[0031] Keel frame 1;

[0032] Two heat dissipation drivers 2 are oppositely arranged on the keel frame 1, and the opposite surfaces of the two heat dissipation drivers 2 are heat dissipation contact surfaces, and a plurality of protruding heat dissipation parts are distributed at equal intervals on the side close to each other, and the plurality of heat dissipation parts of the two heat dissipation drivers 2 are crossed to form a double convection heat dissipation structure.

[0033] In the embodiment, the keel frame 1 is used for fixing the heat dissipation driver 2 and also used for installing the heat dissipation structure, and when the heat dissipation mechanism is installed, the keel frame 1 is connected with the components in the installation environment. The heat dissipation driver 2 is connected with the IGBT module respectively, the IGBT module conducts heat to the heat dissipation driver 2, the two heat dissipation drivers 2 are crossed to form a double convection heat dissipation structure, which effectively promotes the IGBT modules oppositely installed to exhaust hot air and inhale cold air, and forms a high-efficiency double convection heat dissipation mechanism.

[0034] Preferably, as another embodiment of the utility model, the heat dissipation driver 2 comprises:

[0035] The contact plate 21 is connected with the keel frame 1, and one side is a heat dissipation contact surface;

[0036] A plurality of heat dissipation fins 22 are arranged in parallel on the side of the contact plate 21 away from the heat dissipation contact surface, and the heat dissipation fins form the heat dissipation part on the two contact plates 21, and the heat dissipation fins 22 on the two contact plates 21 are staggered.

[0037] In this embodiment, the contact plate 21 is connected with the keel frame 1, and the heat dissipation contact surface is connected with the IGBT module to exchange heat with the IGBT module. The plurality of heat dissipation fins 22 on the contact plate 21 dissipate heat from the contact plate 21, and the heat dissipation fins 22 on the two contact plates 21 are staggered to form a double convection heat dissipation structure.

[0038] Preferably, as another embodiment of the utility model, the heat dissipation contact surface of the contact plate 21 is provided with a heat-conducting silicone grease layer.

[0039] In this embodiment, the heat-conducting silicone grease layer is arranged on the heat dissipation contact surface of the contact plate 21, which can improve the heat conduction efficiency of the contact plate 21.

[0040] Preferably, as another embodiment of the utility model, the contact plate 21 and the heat dissipation fin 22 are both aluminum plates after anodic oxidation treatment.

[0041] In this embodiment, the contact plate 21 and the heat dissipation fin 22 are both made of aluminum material, and are treated by anodic oxidation, thereby improving the corrosion resistance and wear resistance of the contact plate 21 and the heat dissipation fin 22.

[0042] Preferably, as another embodiment of the utility model, the keel frame 1 comprises:

[0043] a bottom plate 11;

[0044] two connecting plates 12 arranged on the bottom plate 11, the connecting plate 12 is provided with a notch corresponding to the heat dissipation contact surface, and the two contact plates 21 are arranged between the two connecting plates 12 and are detachably connected with the connecting plates 12.

[0045] In this embodiment, the two connecting plates 12 are respectively installed on the outer sides of the two connecting plates 12, the heat dissipation contact surface of the connecting plate 12 corresponds to the notch, and then the IGBT module is installed on the heat dissipation contact surface. The contact plate 21 is detachably connected with the connecting plate 12, which is convenient for assembly and maintenance, and the heat dissipation driver 2 can be easily replaced or cleaned according to needs.

[0046] Preferably, as another embodiment of the utility model, the connecting plates 12 are connected by connecting rods 13.

[0047] In this embodiment, the connecting plates 12 are connected by the connecting rods 13, thereby improving the stability of the connecting plates 12.

[0048] Preferably, as another embodiment of the utility model, the bottom plate 11, the connecting plate 12 and the connecting rod 13 are integrally processed and formed structure.

[0049] In this embodiment, the bottom plate 11, the connecting plate 12 and the connecting rod 13 are integrally processed and formed structure, improve the stability of keel frame 1, specifically, keel frame 1 can adopt ADC12 die-casting aluminum alloy die-casting forming.

[0050] Although the embodiments of the utility model have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, it can be fully applied to various fields suitable for the utility model, and other modifications can be easily realized by those skilled in the art, therefore, the utility model is not limited to specific details and the embodiments shown and described herein under the general concept defined by the claims and the equivalent scope.

Claims

1. A heat dissipating structure, characterized by comprising: The application relates to a heat-dissipating structure of a servo driver. The heat-dissipating structure comprises a keel frame and two heat-dissipating drivers which are oppositely arranged on the keel frame, and the opposite surfaces of the two heat-dissipating drivers are respectively provided with a plurality of heat-dissipating parts which are sequentially and spacedly arranged, and the heat-dissipating parts between the two heat-dissipating drivers are staggeredly arranged. The heat-dissipating driver comprises a contact plate which is connected with the keel frame and has a heat-dissipating contact surface on one side, and a plurality of heat-dissipating fins which are arranged in parallel on the contact plate and form the heat-dissipating parts, and the heat-dissipating fins on the two contact plates are staggeredly arranged.

2. The heat dissipating structure of claim 1, wherein A heat-conducting silicone grease layer is arranged on the heat-dissipating contact surface of the contact plate. The contact plate and the heat-dissipating fins are both aluminum plates which are subjected to anodic oxidation treatment. The keel frame comprises a bottom plate and two connecting plates which are arranged on the bottom plate and are provided with notches corresponding to the heat-dissipating contact surfaces, and the two contact plates are arranged between the two connecting plates and are respectively detachably connected with the two connecting plates.

3. The heat dissipating structure of claim 2, wherein The side of the two connecting plates which is close to each other is respectively provided with a slide corresponding to the contact plate, and the contact plate is slidably embedded in the slide.

4. The heat dissipating structure of claim 2, wherein The two connecting plates are connected through a connecting rod.

5. The heat dissipating structure of claim 2, wherein The bottom plate, the connecting plates and the connecting rod are integrally processed and formed. The application further relates to the heat-dissipating structure as claimed in any one of claims 1-8, and the heat-dissipating contact surfaces of the two heat-dissipating drivers are respectively connected with IGBT modules in the driver body. The application further relates to the servo driver as claimed in claim 9.

6. A heat dissipating structure according to claim 5, wherein ​ 7. A heat dissipating structure according to claim 6, wherein ​ 8. The heat dissipating structure of claim 7, wherein ​ 9. A servo drive comprising a drive body, characterized by ​ 10. A servo device characterized by comprising: ​

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