Frequency converter convenient for information processing
By designing a slide rail slider protection structure and a magnetic block fixing system in the frequency converter, the problem of dust intrusion into the wiring terminals is solved, achieving protection and electromagnetic shielding of the terminal interfaces, and improving the reliability and service life of the equipment.
Patent Information
- Application Number
- CN202423172743.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-23
AI Technical Summary
The internal wiring terminals of existing frequency converters lack protection and are easily invaded by dust and impurities, leading to blockage and damage.
The design incorporates a protective structure, including slide rails, sliders, and protective plates, to shield the terminal interfaces. A combination of magnetic blocks and damping telescopic rods enables the automatic raising and fixing of the protective plates. Electromagnetic shields and glass covers provide protection and shock absorption.
It effectively prevents dust and impurities from entering the terminal interface, avoiding blockage and damage, while providing electromagnetic shielding and shock absorption functions to ensure the normal operation of the control circuit.
Smart Images

Figure CN223809712U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a frequency converter convenient for information processing belongs to frequency converter technical field. BACKGROUND
[0002] The frequency converter is also called frequency drive or drive controller, which is a power control device for controlling AC motor by changing power supply frequency mode through application of frequency conversion technology and microelectronic technology, and is mainly composed of rectifier (for converting AC into DC), filter, inverter (for converting DC into AC of required frequency), brake unit, drive unit, detection unit and microprocessing unit, etc., so as to achieve the purpose of energy saving and speed regulation.
[0003] The existing frequency converter does not have a protective function on the wiring terminal inside, and the terminal interface without connecting lines is directly exposed outside, which is easily invaded by dust and impurities. The dust and impurities entering the terminal interface can cause blockage and damage to the inside, affecting the normal connection of the line and also causing damage to the inside of the interface. SUMMARY
[0004] The main purpose of the utility model is to solve the problem that the wiring terminal inside the frequency converter does not have a protective function and is easily invaded by dust and impurities, causing blockage and damage. Therefore, a frequency converter convenient for information processing is provided.
[0005] The purpose of the utility model can be achieved by adopting the following technical scheme: through the setting of the protection structure, the terminal interface on the control circuit board can be protected. When there is no connecting line, the terminal interface can be shielded by the protection plate, so as to effectively prevent the entry of dust and impurities and avoid blockage and damage to the inside of the terminal interface.
[0006] A frequency converter convenient for information processing includes a cabinet body, an installation plate is arranged inside the cabinet body, a control circuit board is fixedly installed on the installation plate, a plurality of terminal interfaces are arranged on the control circuit board, a control panel is fixedly installed on the front of the cabinet body, a protection structure is arranged on the control circuit board, the protection structure includes a plurality of slide rails fixedly installed on both sides of the terminal interface, a sliding block is slidably installed on the slide rail, a protection plate is fixedly installed between the two sliding blocks, and a pull rod is fixedly installed on the protection plate.
[0007] Preferably, a support plate is fixedly installed on the top of the two slide rails, a first magnetic block is fixedly installed on the support plate, and a second magnetic block is fixedly installed on the surface of the protection plate.
[0008] Preferably, both sides of the mounting plate are fixedly installed with support blocks, the top and bottom of the support block are fixedly installed with damping telescopic rods connected with the inner wall of the cabinet body, and the outer side of the damping telescopic rod is sleeved with a first spring connected with the cabinet body and the support block at both ends.
[0009] Preferably, the top of the inner wall of the cabinet body is fixedly installed with a fixed plate, and the fixed plate is provided with an electromagnetic shield.
[0010] Preferably, both sides of the fixed plate are fixedly installed with a plurality of fixed blocks, the inside of the fixed block is fixedly installed with a second spring, one end of the second spring is fixedly installed with a clamping rod, and both sides of the electromagnetic shield are fixedly installed with a plurality of clamping blocks.
[0011] Preferably, the diameter of the clamping rod is consistent with the inner diameter of the clamping groove on the clamping block, and one end of the clamping rod is provided in an arc shape.
[0012] Preferably, the surface of the cabinet body is fixedly installed with a support frame, and the support frame is movably installed with a glass cover plate.
[0013] The beneficial technical effects of the utility model are as follows: according to the frequency converter convenient for information processing, the terminal interface on the control circuit board can be protected through the setting of the protection structure, when there is no connecting line, the protection plate is pushed up to the front of the terminal interface by sliding in the slide rail, the protection plate can shield the terminal interface, dust and impurities are effectively prevented from entering, and the internal terminal interface is prevented from being blocked and damaged. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is an internal structure schematic view according to a preferred embodiment of the utility model;
[0015] Figure 2 It is an overall structure schematic view according to a preferred embodiment of the utility model;
[0016] Figure 3 It is a protection plate structure schematic view according to a preferred embodiment of the utility model;
[0017] Figure 4 It is a clamping rod and clamping block structure expansion schematic view according to a preferred embodiment of the utility model.
[0018] In the figure: 1, cabinet body; 2, mounting plate; 3, control circuit board; 4, terminal interface; 5, control panel; 6, protection structure; 7, slide rail; 8, sliding block; 9, protection plate; 10, pull rod; 11, support plate; 12, first magnetic block; 13, second magnetic block; 14, support block; 15, damping telescopic rod; 16, first spring; 17, fixed plate; 18, electromagnetic shield; 19, fixed block; 20, second spring; 21, clamping rod; 22, clamping block; 23, support frame; 24, glass cover plate. DETAILED DESCRIPTION
[0019] To make the skilled in the art more clear and clear the technical scheme of the utility model, the utility model is described in further detail below in conjunction with examples and drawings, but the implementation of the utility model is not limited to this.
[0020] As Figures 1-4 shown, the frequency converter provided by the embodiment is convenient for information processing, which comprises a cabinet body 1, the inside of the cabinet body 1 is provided with a mounting plate 2, the mounting plate 2 is fixedly installed with a control circuit board 3, the control circuit board 3 is provided with a plurality of terminal interfaces 4, the front of the cabinet body 1 is fixedly installed with a control panel 5, the control circuit board 3 is provided with a protection structure 6, the protection structure 6 comprises a plurality of symmetrical slide rails 7 fixedly installed on both sides of the terminal interface 4, the slide rails 7 are slidably installed with sliding blocks 8, the two sliding blocks 8 are fixedly installed with a protection plate 9, and the protection plate 9 is fixedly installed with a pull rod 10. Through the arrangement of the protection structure 6, the terminal interface 4 on the control circuit board 3 can be protected, when there is no connecting line, the protection plate 9 is pushed up to the front of the terminal interface 4 by the sliding of the sliding block 8 in the slide rail 7, so that the protection plate 9 can shield the terminal interface 4, thereby effectively avoiding the entry of dust and impurities and avoiding the blockage and damage to the inside of the terminal interface 4.
[0021] In the embodiment, as Figure 1 , Figure 3 and Figure 4As shown, the top of the two slide rails 7 is fixedly installed with a support plate 11, the support plate 11 is fixedly installed with a first magnetic block 12, the surface of the protection plate 9 is fixedly installed with a second magnetic block 13, the two sides of the mounting plate 2 are fixedly installed with a support block 14, the top and bottom of the support block 14 are fixedly installed with a damping telescopic rod 15 connected with the inner wall of the cabinet 1, the outer side of the damping telescopic rod 15 is sleeved with a first spring 16 connected with the cabinet 1 and the support block 14 at both ends, the top of the inner wall of the cabinet 1 is fixedly installed with a fixed plate 17, and the fixed plate 17 is provided with an electromagnetic shield 18. Through the setting of the support plate 11, the first magnetic block 12 and the second magnetic block 13, the second magnetic block 13 on the surface of the protection plate 9 is pushed upward and adheres to the first magnetic block 12, and the protection plate 9 after rising can be fixed under the mutual adsorption of the first magnetic block 12 and the second magnetic block 13, so that it stands firmly in front of the terminal interface 4 for protection, preventing the protection plate 9 from falling. Through the setting of the support block 14, the damping telescopic rod 15 and the first spring 16, the control circuit board 3 can be damped, the damping telescopic rod 15 and the first spring 16 can reduce the shaking of the mounting plate 2, and then the control circuit board 3 can be damped and protected. Through the setting of the fixed plate 17 and the electromagnetic shield 18, the electromagnetic interference from the outside can be shielded to ensure the normal operation of the control circuit board 3.
[0022] In this embodiment, as shown in Figure 2 and Figure 4 As shown, the two sides of the fixed plate 17 are fixedly installed with a plurality of fixed blocks 19, the inside of the fixed block 19 is fixedly installed with a second spring 20, one end of the second spring 20 is fixedly installed with a clamping rod 21, the two sides of the electromagnetic shield 18 are fixedly installed with a plurality of clamping blocks 22, the diameter of the clamping rod 21 is consistent with the inner diameter of the clamping groove on the clamping block 22, and one end of the clamping rod 21 is set as an arc shape, the surface of the cabinet 1 is fixedly installed with a support frame 23, and the support frame 23 is movably installed with a glass cover plate 24. Through the setting of the fixed block 19, the second spring 20, the clamping rod 21 and the clamping block 22, the electromagnetic shield 18 is connected and clamped on the fixed plate 17 by the clamping rod 21 and the clamping block 22, and the clamping rod 21 has a certain activity due to the clamping mode supported by the second spring 20, so that the electromagnetic shield 18 can be disassembled from the fixed plate 17, which is convenient for maintenance or replacement when it fails. After the diameter of the clamping rod 21 is set to be consistent with the inner diameter of the clamping groove on the clamping block 22, the connection of the clamping rod 21 and the clamping block 22 is more firm, the stability of the electromagnetic shield 18 installation is improved, and after one end of the clamping rod 21 is set as an arc shape, the clamping block 22 can be more easily pressed against the clamping rod 21 during disassembly. Through the setting of the support frame 23 and the glass cover plate 24, the control panel 5 on the front of the cabinet 1 can be protected from being damaged by collision and affecting operation.
[0023] In the embodiment, as shown in Figures 1-4 The working process of the frequency converter facilitating information processing provided by the embodiment is as follows:
[0024] Step 1: When there is no connection line, the protective plate 9 is pushed to rise by the sliding of the sliding block 8 in the slide rail 7, and the protective plate 9 is pushed to the front of the terminal interface 4, so that the protective plate 9 can shield the terminal interface 4, and dust and impurities are prevented from entering the terminal interface 4.
[0025] Step 2: The electromagnetic shield 18 is arranged in the inside of the cabinet 1 to shield the external electromagnetic interference, so as to ensure the normal operation of the control circuit board 3.
[0026] In summary, in the embodiment, according to the frequency converter facilitating information processing, the terminal interface 4 on the control circuit board 3 is shielded by the protective structure 6, when there is no connection line, the protective plate 9 is pushed to rise by the sliding of the sliding block 8 in the slide rail 7, and the protective plate 9 is pushed to the front of the terminal interface 4, so that the protective plate 9 can shield the terminal interface 4, and dust and impurities are prevented from entering, and the internal part of the terminal interface 4 is prevented from being blocked and damaged.
[0027] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the disclosed range, and it all belongs to the protection scope of the present application.
Claims
1. A frequency converter facilitating information processing, comprising a cabinet (1), an installation plate (2) is arranged in the interior of the cabinet (1), a control circuit board (3) is fixedly installed on the installation plate (2), a plurality of terminal interfaces (4) are arranged on the control circuit board (3), and a control panel (5) is fixedly installed on the front face of the cabinet (1), characterized in that, The control circuit board (3) is provided with a protection structure (6), the protection structure (6) comprises a plurality of symmetrical fixedly installed sliding rails (7) on both sides of the terminal interface (4), the sliding rails (7) are slidably installed with sliding blocks (8), the two sliding blocks (8) are fixedly installed with a protection plate (9), and the protection plate (9) is fixedly installed with a pull rod (10).
2. The frequency converter of claim 1, wherein, The top of the two sliding rails (7) is fixedly installed with a supporting plate (11), the supporting plate (11) is fixedly installed with a first magnetic block (12), and the surface of the protection plate (9) is fixedly installed with a second magnetic block (13).
3. The frequency converter of claim 1, wherein, Both sides of the mounting plate (2) are fixedly installed with supporting blocks (14), the top and bottom of the supporting blocks (14) are fixedly installed with damping telescopic rods (15) connected with the inner wall of the cabinet (1), and the outer side of the damping telescopic rod (15) is sleeved with a first spring (16) connected with the cabinet (1) and the supporting block (14) at both ends.
4. The frequency converter of claim 1, wherein, The top of the inner wall of the cabinet (1) is fixedly installed with a fixed plate (17), and the fixed plate (17) is provided with an electromagnetic shield (18).
5. A frequency converter for facilitating information processing according to claim 4, characterized in that Both sides of the fixed plate (17) are fixedly installed with a plurality of fixed blocks (19), the inside of the fixed blocks (19) is fixedly installed with second springs (20), one end of the second springs (20) is fixedly installed with a clamping rod (21), and both sides of the electromagnetic shield (18) are fixedly installed with a plurality of clamping blocks (22).
6. A frequency converter for facilitating information processing according to claim 5, characterized in that The diameter of the clamping rod (21) is consistent with the inner diameter of the clamping groove on the clamping block (22), and one end of the clamping rod (21) is provided in an arc shape.
7. The frequency converter of claim 1, wherein, The surface of the cabinet (1) is fixedly installed with a supporting frame (23), and the supporting frame (23) is movably installed with a glass cover plate (24).