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CN-224218575-U - Electric dust removal high-voltage pulse power supply charging power panel

CN224218575UCN 224218575 UCN224218575 UCN 224218575UCN-224218575-U

Abstract

The application relates to the technical field of power boards, in particular to an electric dust removal high-voltage pulse power source charging power board which comprises a substrate main body, wherein an IGBT module is arranged on the substrate main body, the substrate main body is further fixed on a radiating plate through a plurality of groups of connecting pieces, electronic components on the substrate main body are positioned on the side surface of the substrate main body, which is away from the radiating plate, and a radiating gap with the width of 0.75-1.5 cm is formed between the radiating plate and the substrate main body. According to the electric precipitation high-voltage pulse power supply charging power panel, the radiating plates are fixed through the plurality of groups of connecting pieces, the radiating areas can be increased, the cold-heat exchange speed is improved, so that air flow near the radiating gaps can be rapidly cooled, meanwhile, the air flow inlet and outlet speeds are improved due to the design of the radiating gaps, a large amount of heat generated in the running working process of a plurality of electronic components can be timely dissipated, and the radiating effect of the power panel is obviously improved.

Inventors

  • SHU YONGGANG
  • XIONG MENG
  • JIANG WENDIAN

Assignees

  • 武汉誉腾电力科技有限公司

Dates

Publication Date
20260508
Application Date
20250514

Claims (9)

  1. 1. The utility model provides an electric precipitation high voltage pulse power supply charging power supply board, includes base plate main part (1), be provided with IGBT module (100) on base plate main part (1), its characterized in that, base plate main part (1) is still fixed in on heating panel (3) through multiunit connecting piece (2), electronic components on base plate main part (1) are located base plate main part (1) deviate from the side of heating panel (3), heating panel (3) with be formed with 0.75-1.5 centimetre wide heat dissipation clearance between base plate main part (1).
  2. 2. The electric precipitation high-voltage pulse power supply charging power board according to claim 1, wherein the connecting piece (2) comprises a support column (21) and a locking bolt (22), the support column (21) is vertically connected to the heat dissipation plate (3), internal threads are arranged in the support column (21), holes for adapting to the locking bolt (22) are formed in the substrate main body (1), and the locking bolt (22) penetrates through the holes and then is assembled in the support column (21) in a threaded mode.
  3. 3. The electric precipitation high-voltage pulse power supply charging power board according to claim 2, characterized in that the cross-section outer profile of the support column (21) is a regular polygon, and the support column (21) and the locking bolt (22) are both stainless steel pieces.
  4. 4. The electric precipitation high-voltage pulse power supply charging power panel according to claim 1, wherein a plurality of radiating fins (31) and two side plates (32) are vertically arranged on the side surface of the radiating plate (3) away from the substrate main body (1), and the plurality of radiating fins (31) are arranged between the two side plates (32) at intervals.
  5. 5. The electric precipitation high-voltage pulse power source charging power strip according to claim 4, characterized in that the thickness of the heat dissipation fins (31) gradually decreases in a direction away from the substrate main body (1), and both side surfaces of the heat dissipation fins (31) are provided with a plurality of protruding strips arranged at intervals and form wave surfaces (311).
  6. 6. The electric precipitation high-voltage pulse power source charging power strip according to claim 1, wherein the substrate main body (1) is further provided with: a DC power converter (200) for converting an external high-voltage DC power into a low-voltage DC power of 24V; the IGBT driving and protecting circuit module (300) is used for carrying out isolation processing on the pulse control signals, generating IGBT driving signals, monitoring and protecting the operation of the IGBT module (100) and feeding back alarm signals when the operation fails; An isolated power supply module (400) for converting 24V low voltage dc into isolated +15v and-9V voltages; The input/output interface module (500) is used for completing three-phase power input and high-frequency alternating current output, controlling signal input and alarm signal output, and performing level conversion and buffering on the input control signal and the output alarm signal; the three-phase uncontrolled rectifying circuit module (600) is used for rectifying three-phase alternating current into direct current pulse voltage; a precharge circuit module (700) for precharging the filter capacitor, and And the filter circuit module (800) is used for filtering the direct current output by rectification.
  7. 7. The electric precipitation high-voltage pulse power source charging power strip according to claim 6, wherein said IGBT module (100) is further electrically connected with a spike absorbing circuit module (900), said spike absorbing circuit module (900) being configured to absorb spike voltages generated when the IGBT module (100) is turned on and off to protect the IGBT module (100).
  8. 8. The electric precipitation high-voltage pulse power supply board according to claim 7, wherein said IGBT module (100) is further electrically connected with a resonance circuit module (1000), said resonance circuit module (1000) being configured to perform resonance adaptation on the high-frequency alternating current outputted from the IGBT module (100).
  9. 9. The electric precipitation high-voltage pulse power source charging power strip according to claim 6, wherein a plurality of filter capacitors in the filter circuit module (800) are connected in series and then in parallel, and voltage equalizing resistors are added to ensure voltage division equalization of the capacitors.

Description

Electric dust removal high-voltage pulse power supply charging power panel Technical Field The application relates to the technical field of power boards, in particular to an electric dust removal high-voltage pulse power supply charging power board. Background The electric dust-removing high-voltage pulse power box is a new generation electric dust remover power supply product, mainly uses a GAC-520 controller as a central control component, uses an IGBT as a main control device, drives different types of rectifier transformers by means of a modulation-demodulation technology, realizes the high-frequency power supply function to provide the highest corona power for an electric field of the electric dust remover, furthest excites the collecting potential of the electric field, and improves the dust removing efficiency. The core technical component in the electric precipitation high-voltage pulse power box is a charging power board. For example, china patent publication No. CN206673626U discloses a general electric vehicle charging station with a stacked regulated power supply, which comprises at least 2 parallel circuits, wherein each parallel circuit comprises an alternating current contactor, an AC/DC converter, an IGBT module, a high-frequency transformer, a rectifier, a voltage stabilizer and a control switch which are electrically connected in sequence, the output end of each parallel circuit is electrically connected with a general charging plug, the control switch is electrically connected with a charging pile intelligent control center, and the input end of each alternating current contactor is electrically connected with a 220V power supply. With respect to the related art in the above, the inventors consider that there are the following technical drawbacks to be improved: When the common charging power panel is applied to the electric precipitation high-voltage pulse power box, the function is complex, and the electronic components to be installed are very many, so that a large amount of heat can be generated in the operation process of the common charging power panel, and if the heat cannot be timely dissipated, the abnormal or unstable operation of the charging power panel is easily caused, and even the direct failure is caused. Disclosure of utility model The application provides an electric precipitation high-voltage pulse power supply charging power board, which aims to improve the following technical problems: When the common charging power panel is applied to the electric precipitation high-voltage pulse power box, a large amount of heat can be generated in the operation working process, and if the heat cannot be timely dissipated, the abnormal or unstable operation of the charging power panel is easily caused, and even the direct failure is caused. The application provides an electric precipitation high-voltage pulse power supply charging power board, which adopts the following technical scheme: The utility model provides an electric precipitation high voltage pulse power supply charging power supply board, includes the base plate main part, be provided with the IGBT module on the base plate main part, the base plate main part is still fixed in on the heating panel through multiunit connecting piece, electronic components in the base plate main part are located the base plate main part deviates from the side of heating panel, the heating panel with be formed with 0.75-1.5 centimetre wide heat dissipation clearance between the base plate main part. In one technical scheme of the application, the connecting piece comprises a support column and a locking bolt, wherein the support column is vertically connected to the heat dissipation plate, internal threads are arranged in the support column, a hole which is matched with the locking bolt is formed in the substrate main body, and the locking bolt penetrates through the hole and then is assembled in the support column through threads. In one technical scheme of the application, the cross section outline of the support column is regular polygon, and the support column and the locking bolt are stainless steel pieces. In one technical scheme of the application, a plurality of radiating fins and two side plates are vertically arranged on the side surface of the radiating plate away from the substrate main body, and the radiating fins are arranged between the two side plates at intervals. In one possible technical solution of the present application, the thickness of the heat dissipation fin is gradually reduced along a direction away from the substrate main body, and two side surfaces of the heat dissipation fin are provided with a plurality of protruding strips arranged at intervals and form a wave surface. In an implementation technical solution of the present application, the substrate main body is further provided with: the direct-current power supply converter is used for converting external high-voltage direct current into 24V low-voltage dir