Adjustable frequency converter heat dissipation back clamp

Abstract

The utility model provides an adjustable frequency converter heat dissipation back clamp which comprises a heat dissipation box. A knob transmission assembly is arranged in the middle of the heat dissipation box; a clamping assembly capable of extending outwards or retracting inwards is arranged at the end of the heat dissipation box. The knob transmission assembly is in transmission connection with the clamping assembly; the knob transmission assembly is adjusted according to different sizes of the frequency converter, so that the clamping assembly clamps the frequency converter; the heat dissipation box is provided with a heat dissipation assembly used for absorbing heat of the frequency converter. According to the size of the frequency converter, the double-layer long rod of the heat dissipation back clamp is adjusted, so that the clamp plate is matched with the top size of the frequency converter, and is firmly fixed at the top air outlet of the frequency converter through the clamp plate and the non-slip mat. And the heat inside the frequency converter is directly extracted to the heat dissipation box through the heat dissipation fan, and the heat is discharged through the heat dissipation holes, so that the purpose of reducing the temperature inside the frequency converter is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical distribution technology field, especially it is a kind of adjustable frequency converter heat dissipation back clamp. BACKGROUND

[0002] With the development of industrial automation, frequency converter is increasingly widely used in electrical control system. Frequency converter is a kind of power control equipment that combines variable frequency technology and microelectronic technology, which realizes effective control of AC motor by changing the frequency of motor power supply. In electrical control system, frequency converter plays a crucial role.

[0003] However, there is a serious problem in the operation of frequency converter. A large amount of heat is generated inside the frequency converter during operation. The current distribution cabinet itself usually cannot meet the heat dissipation needs of frequency converter. When the heat dissipation is insufficient, the frequency converter will adaptively reduce the running power. This power reduction can reduce heat generation to some extent, so as to ensure that the equipment motor can continue to operate, but it seriously affects the normal working efficiency and performance of the equipment.

[0004] Especially in the summer high temperature period, the problem is more prominent. Due to the increase of ambient temperature, the temperature in the distribution cabinet also rises, which easily leads to high temperature alarm of frequency converter, and then forced to stop working. This sudden stop working condition will cause great loss to the customer, such as in some industrial production process, it may cause production line interruption, product quality problem, raw material waste and delay production progress and other serious consequences.

[0005] In summary, there is an urgent need for a reliable and stable frequency converter heat dissipation device with strong versatility to solve a series of problems caused by insufficient heat dissipation of frequency converter during operation, to ensure the stable operation of electrical control system and reduce the loss suffered by customers due to overheating of frequency converter. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of adjustable frequency converter heat dissipation back clamp, according to the size of frequency converter, adjust the double-layer long rod of heat dissipation back clamp, make the clamping plate match the size of frequency converter top, be firmly fixed in the top air outlet of frequency converter by clamping plate and non-slip pad. Again through heat dissipation fan, the internal heat of frequency converter is directly extracted to heat dissipation box, and the heat is discharged through heat dissipation hole, to achieve the purpose of reducing the internal temperature of frequency converter.

[0007] In order to achieve the above object, the utility model is through the following technical scheme to realize: adjustable frequency converter heat dissipation back clamp, including heat dissipation box, wherein: The middle part of heat dissipation box is provided with knob transmission assembly, the end of heat dissipation box is provided with the clamping assembly that can extend outward or retract inward, the knob transmission assembly is transmission connection with clamping assembly, according to the different size of frequency converter adjustment knob transmission assembly, make clamping assembly clamp frequency converter, heat dissipation box is provided with heat dissipation assembly for absorbing the heat of frequency converter.

[0008] Further as the improvement of the utility model technical scheme, the knob transmission assembly includes double layer gear and knob type middle shaft operating rod, the double layer gear includes upper gear and lower gear, the middle part of double layer gear is hollow and forms the cavity for installing the knob type middle shaft operating rod, the upper gear and lower gear are transmission connection with clamping assembly respectively.

[0009] Further as the improvement of the utility model technical scheme, the clamping assembly includes double layer long pole and clamping plate, the double layer long pole includes two upper layer long poles and two lower layer long poles, the side of upper layer long pole is provided with first transmission straight tooth, the side of lower layer long pole is provided with second transmission straight tooth, the upper layer long pole is symmetrically arranged at the both ends of upper gear, the lower layer long pole is symmetrically arranged at the both ends of lower gear, the first transmission straight tooth is engaged with upper gear, the second transmission straight tooth is engaged with lower gear, the clamping plate is arranged at the one end of upper layer long pole and lower layer long pole that extends heat dissipation box respectively.

[0010] Further as the improvement of the utility model technical scheme, the heat dissipation assembly includes heat dissipation fan and heat dissipation hole, the heat dissipation fan is arranged at the bottom of heat dissipation box, the heat dissipation hole is distributed on the four side walls of heat dissipation box, the heat dissipation fan is connected with power distribution cabinet power supply.

[0011] Further as the improvement of the utility model technical scheme, the clamping plate is flat cuboid, the anti-skid pad is arranged on the clamping plate.

[0012] Further as the improvement of the utility model technical scheme, the heat dissipation box is made of carbon steel plate.

[0013] The utility model has the advantages of following:

[0014] High dimensional adaptability

[0015] The adjustable frequency converter heat dissipation back clamp has a unique structural design, and through cooperation of the knob transmission assembly and the clamping assembly, different sizes of frequency converters can be adjusted.

[0016] Reliable clamping stability

[0017] The meshing transmission of the double-layer long rod and the double-layer gear in the clamping assembly enables the clamping plate to accurately respond to the adjustment action of the knob transmission assembly. The clamping plate is in the shape of a flat cuboid, and an antiskid pad is arranged on the clamping plate, which not only can increase the friction force between the clamping plate and the frequency converter, but also can avoid damage to the surface of the frequency converter during clamping, so that the heat dissipation back clamp can be stably fixed on the frequency converter under various working conditions, and the continuous and effective heat dissipation work is ensured.

[0018] High-efficiency heat dissipation performance

[0019] The heat dissipation assembly is a key part to ensure the normal operation of the frequency converter. The heat dissipation fan connected to the power supply of the power distribution cabinet at the bottom of the heat dissipation box can stably operate and continuously extract the heat generated by the frequency converter. At the same time, the heat dissipation holes are distributed on the four side walls of the heat dissipation box, which is beneficial to form good air convection and greatly improve the heat dissipation efficiency. The internal and external combined heat dissipation mode can effectively reduce the temperature of the frequency converter, avoid the problem of power reduction or even shutdown caused by overheating, ensure the stable operation of the electrical control system, and reduce the loss caused by the failure of the frequency converter to the customer.

[0020] Excellent structural strength and durability

[0021] The heat dissipation box is made of carbon steel plate, which has high strength and good wear resistance, corrosion resistance and other characteristics, and can provide stable structural support for the heat dissipation back clamp, so that it can withstand various environmental factors and mechanical stress during long-term use, prolong the service life of the heat dissipation back clamp, and further improve the performance-price ratio of the product. BRIEF DESCRIPTION OF DRAWINGS

[0022] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, with reference to the accompanying drawings:

[0023] Fig. 1 It is a perspective front structure schematic view of the adjustable frequency converter heat dissipation back clamp of the present application;

[0024] Fig. 2 It is a double-layer gear and double-layer long rod assembly structure schematic view of the present application; It is a perspective front structure schematic view of the adjustable frequency converter heat dissipation back clamp of the present application;

[0025] Fig. 3 The utility model discloses a kind of adjustable frequency converter heat dissipation back clamps bottom plane structure schematic diagram.

[0026] In the drawing: 1-heat dissipation box;2-knob transmission assembly;3-clamping assembly;4-heat dissipation assembly;21-double gear;22-knob type middle shaft operating rod;31-double long rod;32-clamping plate;41-heat dissipation fan;42-heat dissipation hole. DETAILED DESCRIPTION

[0027] The utility model will be combined with the drawing and specific embodiment to be explained in detail, here with the illustrative embodiment of the utility model and explanation are used to explain the utility model, but not as the limitation of the utility model.

[0028] It needs to be explained that all directionality instructions (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) in the embodiment of the utility model are only used to explain the relative position relationship, movement condition etc. between components in a certain specific posture (as shown in the drawing), if the specific posture changes, then the directionality instruction also changes accordingly.

[0029] In the utility model, unless another explicit provision and limitation, the term "connection" should be broad-sense understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless another explicit limitation. For ordinary skilled person in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.

[0030] In addition, in the utility model, the description such as "first", "second" etc. is only used for the purpose of description, and can not be understood as indicating or suggesting its relative importance or implicitly indicating the number of indicated technical features. Therefore, the feature limited by "first", "second" can explicitly or implicitly include at least one feature;In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on that ordinary skilled person in the art can realize, when technical solution combination appears mutually contradictory or unachievable, it should be considered that this technical solution combination does not exist, also not in the protection scope required by the utility model.

[0031] The utility model will be combined with the drawing to make further detailed description.

[0032] Please refer to Figs. 1 to 3The utility model provides a technical scheme: adjustable frequency converter heat dissipation back clamp, including heat dissipation box 1, wherein: the middle part of heat dissipation box 1 is provided with knob transmission assembly 2, the end of heat dissipation box 1 is provided with the clamping assembly 3 that can extend outward or retract inward, knob transmission assembly 2 with clamping assembly 3 transmission connects, according to the size adjustment knob transmission assembly 2 of frequency converter, make clamping assembly 3 clamp frequency converter, heat dissipation box 1 is provided with the heat dissipation assembly 4 for absorbing the heat of frequency converter, it is needful to explain that the utility model according to the size of frequency converter, adjust knob transmission assembly 2, make clamping assembly 3 with frequency converter top size match, and heat dissipation back clamp is firmly fixed in the top air outlet of frequency converter through clamping assembly 3. Again through heat dissipation assembly 4, the internal heat of frequency converter is directly extracted to heat dissipation box 1, and the heat is discharged through the heat dissipation hole, reaches the purpose of reducing the internal temperature of frequency converter. The adjustable frequency converter heat dissipation back clamp of the utility model has unique structure design, and through the cooperation of knob transmission assembly 2 and clamping assembly 3, can be adjusted according to the different size of frequency converter. The universality of this heat dissipation back clamp is greatly improved by the adjustability, can satisfy the heat dissipation demand of multiple specifications frequency converter, reduces the trouble that needs to be equipped with multiple different heat dissipation devices due to the size difference of frequency converter, effectively reduces cost and storage difficulty The utility model realizes the external heat dissipation of frequency converter with little cost, innovative scheme, brings considerable economic benefits for equipment manufacturer and user.

[0033] Specifically, in the embodiment, the knob transmission assembly 2 includes a double-layer gear 21 and a knob-type central shaft operating rod 22; the double-layer gear 21 includes an upper gear and a lower gear; the middle part of the double-layer gear 21 is hollowed out to form a cavity for installing the knob-type central shaft operating rod 22; the upper gear and the lower gear are respectively in transmission connection with the clamping assembly 3. It should be noted that the design of the double-layer gear 21 and the knob-type central shaft operating rod 22 in the knob transmission assembly 2 realizes precise adjustment. By rotating the knob-type central shaft operating rod 22, the operator can conveniently and accurately control the rotation of the double-layer gear 21, thereby accurately adjusting the position of the clamping assembly 3. This precise adjustment capability ensures that the heat dissipation back clamp can adapt to various sizes of frequency converters, whether small or large, and can achieve tight and appropriate clamping, improving the adaptability of the heat dissipation back clamp to different specifications of frequency converters. The structural design of the double-layer gear 21 makes the transmission more efficient. It includes an upper gear and a lower gear, and this double-layer structure can be respectively in transmission connection with the double-layer long rods of the clamping assembly 3. When the knob-type central shaft operating rod 22 is rotated, power can be effectively transmitted to each part of the clamping assembly 3, ensuring the synchronicity and stability of the clamping action. At the same time, this transmission method can reduce energy loss, ensuring the lightness of operation, and the user does not need to use excessive force during adjustment, improving the convenience and comfort of use. The middle part of the double-layer gear 21 is hollowed out to form a cavity for installing the knob-type central shaft operating rod 22, and this compact design effectively utilizes space. It makes the entire knob transmission assembly 2 more compact in structure while ensuring functionality, without occupying too much internal space of the heat dissipation box 1, which is conducive to the miniaturization and lightweight design of the heat dissipation back clamp as a whole. This not only facilitates installation and use, but also highlights its advantages in some space-limited power distribution cabinet environments, and can be flexibly installed on the frequency converter to provide heat dissipation protection for the frequency converter.

[0034] Specifically, in the embodiment, the clamping assembly 3 includes a double-layer long rod 31 and a clamping plate 32; the double-layer long rod 31 includes two upper long rods and two lower long rods; one side of the upper long rod is provided with a first transmission straight tooth; one side of the lower long rod is provided with a second transmission straight tooth; the upper long rod is symmetrically arranged at both ends of the upper gear; the lower long rod is symmetrically arranged at both ends of the lower gear; the first transmission straight tooth is engaged with the upper gear; the second transmission straight tooth is engaged with the lower gear; the clamping plate 32 is respectively arranged at one end of the upper long rod and the lower long rod extending out of the heat dissipation box 1. It should be noted that the engagement transmission of the double-layer long rod 31 and the double-layer gear 21 in the clamping assembly 3 enables the clamping plate 32 to accurately respond to the adjustment action of the knob transmission assembly 2.

[0035] Specifically, in the embodiment, the heat dissipation assembly 4 comprises a heat dissipation fan 41 and a heat dissipation hole 42; the heat dissipation fan 41 is arranged at the bottom of the heat dissipation box 1; the heat dissipation hole 42 is distributed on the four side walls of the heat dissipation box 1; and the heat dissipation fan 41 is connected with the power supply of the power distribution cabinet.

[0036] Specifically, in the embodiment, the clamping plate 32 is in the shape of a flat rectangular parallelepiped; and an anti-skid pad is arranged on the clamping plate 32. It should be noted that the clamping plate 32 is in the shape of a flat rectangular parallelepiped, and the anti-skid pad is arranged on the clamping plate 32, which can not only increase the friction between the clamping plate 32 and the frequency converter, but also avoid damaging the surface of the frequency converter during clamping, so as to ensure that the heat dissipation back clamp can be stably fixed on the frequency converter under various working conditions, and the continuous and effective heat dissipation work is ensured.

[0037] Specifically, in the embodiment, the heat dissipation box 1 is made of carbon steel plate. It should be noted that the heat dissipation box 1 is made of carbon steel plate, which has the characteristics of high strength, good wear resistance and corrosion resistance, etc., and can provide stable structural support for the heat dissipation back clamp, so that it can withstand various environmental factors and mechanical stress during long-term use, prolong the service life of the heat dissipation back clamp, and further improve the performance-price ratio of the patented product.

[0038] The working principle of the heat dissipation back clamp of the frequency converter is as follows: when the knob-shaped short rod is rotated clockwise or counterclockwise, the double-layer gear 21 drives the double-layer long rod 31 to extend outward or retract inward at the same time. The clamping plate 32 clamps the top of the frequency converter, and the anti-skid pad of the clamping plate prevents the heat dissipation device from falling off. The heat dissipation fan 41 draws the heat in the frequency converter upward to the heat dissipation box 1 of the heat dissipation device, and the heat dissipation hole 42 of the heat dissipation box 1 discharges outward.

[0039] The technical solutions provided by the embodiments of the present application are described in detail above, and the principles and implementation manners of the embodiments of the present application are described by applying specific examples; the above description of the embodiments is only applicable to helping understand the principles of the embodiments of the present application; meanwhile, for the general technical personnel in the art, the embodiments of the present application will have changes in the specific implementation manners and application ranges, and the above description should not be understood as the limitation of the embodiments of the present application.

Claims

1. An adjustable inverter heat dissipation back clip, comprising a heat dissipation box; characterized in that: A knob transmission assembly is provided in the middle of the heat dissipation box; a clamping assembly that can extend outward or retract inward is provided at the end of the heat dissipation box; the knob transmission assembly is transmission-connected to the clamping assembly; the knob transmission assembly is adjusted according to the different sizes of the inverter so that the clamping assembly clamps the inverter; a heat dissipation assembly for absorbing heat from the inverter is provided on the heat dissipation box.

2. The adjustable inverter heat dissipation back clip according to claim 1, characterized in that: The knob transmission assembly includes a double-layer gear and a knob-type central axis operating rod; the double-layer gear includes an upper gear and a lower gear; the middle part of the double-layer gear is hollowed out to form a cavity for installing the knob-type central axis operating rod; the upper gear and the lower gear are respectively connected to the clamping assembly in a transmission manner.

3. The adjustable inverter heat dissipation back clip according to claim 2, characterized in that: The clamping assembly includes a double-layer long rod and a clamping plate; the double-layer long rod includes two upper long rods and two lower long rods; one side of the upper long rod is provided with a first transmission spur tooth; one side of the lower long rod is provided with a second transmission spur tooth; the upper long rod is symmetrically arranged at both ends of the upper gear; the lower long rod is symmetrically arranged at both ends of the lower gear; the first transmission spur tooth is meshed with the upper gear; the second transmission spur tooth is meshed with the lower gear; the clamping plates are respectively arranged on one end of the upper long rod and the lower long rod extending out of the heat dissipation box.

4. The adjustable inverter heat dissipation back clip according to claim 1, characterized in that: The heat dissipation component includes a heat dissipation fan and heat dissipation holes; the heat dissipation fan is arranged at the bottom of the heat dissipation box; the heat dissipation holes are distributed on the four side walls of the heat dissipation box; the heat dissipation fan is connected to the power supply of the power distribution cabinet.

5. The adjustable inverter heat dissipation back clip according to claim 3, characterized in that: The splint is in the shape of a flat rectangular parallelepiped; an anti-slip pad is provided on the splint.

6. The adjustable inverter heat dissipation back clip according to claim 1, characterized in that: The heat dissipation box is made of carbon steel plate.

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