High-frequency power supply for electric precipitation

Abstract

The utility model provides a high-frequency power supply for electric precipitation, and belongs to the technical field of high-frequency power supplies. The high-frequency power supply for electric precipitation comprises a bottom plate, a transformer is arranged at the top end of the bottom plate, first heightening blocks are installed at the four corners of the bottom end of the transformer, the bottom ends of the first heightening blocks are fixedly connected with the top end of the bottom plate, a power box is installed at the top end of the transformer, and second heightening blocks are installed at the four corners of the top end of the power box; a heat dissipation mechanism is mounted on the inner side of the opening and comprises a heat dissipation cover, a fixing frame is mounted on the inner side of the heat dissipation cover, a heat dissipation fan is mounted at the top end of the fixing frame, a dustproof net is mounted at the top end of the heat dissipation cover, and exhaust ports are formed in the two sides of the bottom end of the power box correspondingly; the heat dissipation uniformity of the transformer can be effectively improved, the heat dissipation effect on the transformer is improved, and the high practical value is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-frequency power supplies, in particular to a high-frequency power supply for electric dust removal. Background Art

[0002] The electrostatic precipitator is an essential supporting equipment for thermal power plants. Its function is to remove particulate smoke from the flue gas discharged by coal-fired boilers, thereby greatly reducing the amount of smoke discharged into the atmosphere. It is an important environmental protection equipment to improve environmental pollution and improve air quality. Its working principle is that when the flue gas passes through the flue in front of the main structure of the electrostatic precipitator, the smoke is positively charged, and then the flue gas enters the electrostatic precipitator channel with multiple layers of cathode plates. Due to the mutual adsorption between the positively charged smoke and the cathode plate, the particulate smoke in the flue gas is adsorbed on the cathode, and the cathode plate is hit regularly, so that the smoke with a certain thickness falls into the ash hopper under the electrostatic precipitator structure under the dual effects of self-weight and vibration, thereby achieving the purpose of removing smoke in the flue gas. At present, the electrostatic precipitator has become an important environmental protection equipment for thermal power plants. The quality of its working condition has an important impact on the stable operation and economy of the unit.

[0003] The high-frequency power supply for electrostatic precipitator is the latest generation of power supply device for electrostatic precipitator. Compared with the current industrial frequency power supply, it can improve the dust removal efficiency of electrostatic precipitator and reduce the energy consumption of electrostatic precipitator. The high-frequency power supply is to transform the three-phase industrial frequency power supply into direct current through rectification, and then transform it into high-frequency alternating current through the inverter circuit, and then transform it into high-frequency pulsating current after step-up rectification by the rectifier transformer to send it to the precipitator. Its operating frequency is about 20kHz.

[0004] For example, a Chinese patent with publication number CN201752674U discloses a high-frequency power supply for electrostatic precipitator, including a base, on which a power tube rectifier bridge control module and a transformer are respectively arranged on the left and right sides, and the power tube rectifier bridge control module and the transformer are covered with a protective cover with an upper opening, and a heat dissipation cover is fixed at a certain distance on the top of the protective cover, and the power tube rectifier bridge control module and the transformer are separated by two parallel heat dissipation plates, and the two parallel heat dissipation plates form a heat dissipation channel, the air inlet of the heat dissipation channel is connected to the fan, and the heat dissipation plate at the air outlet of the heat dissipation channel extends into the middle and upper part of the heat dissipation cover;

[0005] The technical solution recorded in this proposal adopts an optimized heat dissipation channel. The inhaled cold air forms a heat dissipation channel through two parallel heat dissipation plates to dissipate the heat of the power tube rectifier bridge control module and the transformer, and then is discharged from the top. It not only plays a role in heat dissipation, but also the heat dissipation cover set on the top can prevent rainwater from entering the heat dissipation channel and prevent external dust from entering. However, when this solution is in use, the transformer is installed in the protective cover, resulting in poor heat dissipation uniformity, affecting the heat dissipation effect of the transformer.

[0006] Therefore, in view of this, the existing structure and defects are studied and improved, and a high-frequency power supply for electrostatic precipitator is provided, in order to achieve a more practical purpose. Utility Model Content

[0007] In order to make up for the above deficiencies, the utility model provides a high-frequency power supply for electrostatic precipitator.

[0008] The utility model is achieved in this way:

[0009] A high-frequency power supply for an electrostatic precipitator comprises a base plate, a transformer is provided at the top of the base plate, first heightening blocks are installed at the four corners of the bottom end of the transformer, the bottom end of the first heightening block is fixedly connected to the top of the base plate, a power supply box is installed at the top of the transformer, second heightening blocks are installed at the four corners of the top end of the power supply box, a top plate is installed at the top of the second heightening block, an opening is provided at the top of the power supply box, a heat dissipation mechanism is installed on the inner side of the opening, the heat dissipation mechanism comprises a heat dissipation hood, a fixing frame is installed on the inner side of the heat dissipation hood, a heat dissipation fan is installed on the top of the fixing frame, a dustproof net is installed on the top of the heat dissipation hood, and exhaust ports are provided on both sides of the bottom end of the power supply box.

[0010] Furthermore, a plurality of heat dissipation fins are installed on the first side and the third side of the transformer, and the heat dissipation fins are distributed at equal intervals.

[0011] Furthermore, the bottom end of the exhaust port is in contact with the top end of the heat dissipation fin.

[0012] The beneficial effect of adopting the above further scheme is that by contacting the bottom end of the exhaust port with the top end of the heat sink fin, the wind from the exhaust port dissipates heat from the heat sink fin, improving the air flow at the heat sink fin, thereby achieving uniform heat dissipation on both sides of the transformer.

[0013] Furthermore, a switch quantity control module, a main circuit control module and a power tube rectifier bridge control module are installed inside the power box.

[0014] Furthermore, a high-voltage terminal is installed on the second side of the transformer.

[0015] The beneficial effect of adopting the above further solution is that a high-voltage terminal is installed on the second side of the transformer, which facilitates external wiring.

[0016] Furthermore, a box door is hinged on one side of the power box, and a control panel is installed on one side of the box door.

[0017] The beneficial effect of adopting the above further solution is that a control panel is installed on one side of the box door, so that the equipment can be controlled and the convenience of product use is increased.

[0018] Furthermore, universal wheels are installed at the four corners of the bottom end of the base plate, and a brake foot plate is connected to one side of the universal wheel.

[0019] The beneficial effect of adopting the above further scheme is that universal wheels are installed at the four corners of the bottom end of the base plate to facilitate the movement of the product, and a brake foot plate is connected to one side of the universal wheel to fix the product after movement to avoid slipping.

[0020] The beneficial effects of the utility model are as follows: the utility model obtains a high-frequency power supply for electrostatic precipitator through the above design, wherein the first heightening blocks are installed at the four corners of the bottom end of the transformer to increase the bottom space of the transformer and facilitate air flow, and the second heightening blocks are installed at the four corners of the top end of the power supply box to achieve top plate support and facilitate air to enter the power supply box from the opening, and a heat dissipation fan is installed at the top of the fixing frame to achieve air cooling in the power supply box, and a dustproof net is installed at the top of the heat dissipation cover to prevent dust and impurities from entering the power supply box, and exhaust ports are opened on both sides of the bottom end of the power supply box to facilitate air outlet of the power supply box, and a plurality of heat dissipation fins are installed on the first side and the third side of the transformer to increase the transformer The heat dissipation effect is achieved by contacting the bottom end of the exhaust port with the top end of the heat dissipation fins, so that the wind out of the exhaust port dissipates the heat of the heat dissipation fins, and the air flow at the heat dissipation fins is improved, thereby achieving uniform heat dissipation on both sides of the transformer, and a high-voltage terminal is installed on the second side of the transformer to facilitate external wiring, and a control panel is installed on one side of the box door to achieve controllable equipment and increase the convenience of product use, and universal wheels are installed at the four corners of the bottom end of the bottom plate to facilitate product movement, and a brake foot plate is connected to one side of the universal wheel to fix the product after movement to avoid slipping. The utility model can effectively improve the heat dissipation uniformity of the transformer, improve the heat dissipation effect of the transformer, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the three-dimensional structure of a high-frequency power supply for electrostatic precipitator provided by the utility model;

[0023] Figure 2 This is one of the disassembled three-dimensional structural schematic diagrams of a high-frequency power supply for electrostatic precipitator provided by the utility model;

[0024] Figure 3The second disassembled three-dimensional structural schematic diagram of a high-frequency power supply for electrostatic precipitator provided by the utility model;

[0025] Figure 4 A schematic diagram of the three-dimensional structure of a power supply box of a high-frequency power supply for an electrostatic precipitator provided by the utility model when viewed from above;

[0026] Figure 5 The utility model provides a front view of a power supply box of a high-frequency power supply for an electrostatic precipitator.

[0027] In the figure: 100, bottom plate; 101, universal wheel; 102, first heightening block; 103, transformer; 10301, heat sink fins; 10302, high-voltage terminal; 104, power box; 10401, box door; 10402, exhaust port; 10403, switch quantity control module; 10404, main circuit control module; 10405, power tube rectifier bridge control module; 105, second heightening block; 106, top plate; 107, heat dissipation mechanism; 10701, heat dissipation cover; 10702, fixing frame; 10703, heat dissipation fan; 10704, dustproof net; 108, control panel. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1

[0031] The utility model provides the following technical solutions: Figure 1-Figure 5As shown, a high-frequency power supply for electrostatic precipitator includes a bottom plate 100, a transformer 103 is provided at the top of the bottom plate 100, first heightening blocks 102 are installed at the four corners of the bottom end of the transformer 103, the bottom end of the first heightening block 102 is fixedly connected to the top of the bottom plate 100, a power supply box 104 is installed at the top of the transformer 103, second heightening blocks 105 are installed at the four corners of the top end of the power supply box 104, a top plate 106 is installed at the top of the second heightening block 105, an opening is opened at the top of the power supply box 104, a heat dissipation mechanism 107 is installed inside the opening, the heat dissipation mechanism 107 includes a heat dissipation cover 10701, a fixing frame 10702 is installed inside the heat dissipation cover 10701, a heat dissipation fan 10703 is installed at the top of the fixing frame 10702, and a heat dissipation cover 10701 is provided at the top of the top of the heat dissipation cover 10701. A dustproof net 10704 is installed, and exhaust ports 10402 are provided on both sides of the bottom of the power box 104. First heightening blocks 102 are installed at the four corners of the bottom of the transformer 103 to increase the bottom space of the transformer 103 and facilitate air flow. Second heightening blocks 105 are installed at the four corners of the top of the power box 104 to support the top plate 106, which facilitates air to enter the power box 104 from the opening. A heat dissipation fan 10703 is installed at the top of the fixed frame 10702 to achieve air cooling in the power box 104. A dustproof net 10704 is installed at the top of the heat dissipation cover 10701 to prevent dust and impurities from entering the power box 104. Exhaust ports 10402 are provided on both sides of the bottom of the power box 104 to facilitate air outlet of the power box 104.

[0032] Embodiment 2

[0033] Reference Figure 1-Figure 5 As shown, a plurality of heat sink fins 10301 are installed on the first side and the third side of the transformer 103, and the plurality of heat sink fins 10301 are evenly spaced. The bottom end of the exhaust port 10402 is in contact with the top end of the heat sink fin 10301. By installing a plurality of heat sink fins 10301 on the first side and the third side of the transformer 103, the heat dissipation effect of the transformer 103 is improved. By contacting the bottom end of the exhaust port 10402 with the top end of the heat sink fin 10301, the wind from the exhaust port 10402 dissipates heat on the heat sink fin 10301, and the air flowability at the heat sink fin 10301 is improved, thereby achieving uniform heat dissipation on both sides of the transformer 103.

[0034] Embodiment 3

[0035] Reference Figure 1-Figure 5As shown, a switch quantity control module 10403, a main circuit control module 10404 and a power tube rectifier bridge control module 10405 are installed on the inner side of the power box 104, a high-voltage terminal 10302 is installed on the second side of the transformer 103, a box door 10401 is hinged on one side of the power box 104, a control panel 108 is installed on one side of the box door 10401, universal wheels 101 are installed at the four corners of the bottom end of the base plate 100, a brake foot plate is connected to one side of the universal wheel 101, high-voltage terminal 10302 is installed through the second side of the transformer 103, external wiring is convenient, a control panel 108 is installed through one side of the box door 10401, the equipment is controllable, the product is easy to use, universal wheels 101 are installed at the four corners of the bottom end of the base plate 100, the product is convenient to move, and a brake foot plate is connected to one side of the universal wheel 101 to fix the product after moving to avoid slipping.

[0036] Specifically, the working principle of the high-frequency power supply for electrostatic precipitator is as follows: when in use, first heightening blocks 102 are installed at the four corners of the bottom end of the transformer 103 to increase the bottom space of the transformer 103 to facilitate air flow, second heightening blocks 105 are installed at the four corners of the top end of the power supply box 104 to support the top plate 106 to facilitate air to enter the power supply box 104 from the opening, a heat dissipation fan 10703 is installed at the top of the fixing frame 10702 to achieve air cooling in the power supply box 104, a dustproof net 10704 is installed at the top of the heat dissipation cover 10701 to prevent dust and impurities from entering the power supply box 104, exhaust ports 10402 are opened on both sides of the bottom end of the power supply box 104 to facilitate air outlet of the power supply box 104, and a plurality of heat dissipation fins 10301 are installed on the first side and the third side of the transformer 103 to increase the transformer 103. In order to achieve the heat dissipation effect, the bottom end of the exhaust port 10402 is in contact with the top of the heat dissipation fin 10301, so that the wind from the exhaust port 10402 can dissipate the heat of the heat dissipation fin 10301, and the air flow at the heat dissipation fin 10301 is improved, so as to achieve uniform heat dissipation on both sides of the transformer 103, and a high-voltage terminal 10302 is installed on the second side of the transformer 103 to facilitate external wiring, and a control panel 108 is installed on one side of the box door 10401 to achieve controllable equipment and increase the convenience of product use, and universal wheels 101 are installed at the four corners of the bottom end of the bottom plate 100 to facilitate product movement, and a brake foot plate is connected to one side of the universal wheel 101 to achieve fixation of the product after movement to avoid slipping. The utility model can effectively improve the heat dissipation uniformity of the transformer, improve the heat dissipation effect of the transformer, and has high practical value.

[0037] It should be noted that the specific model and specifications of the heat dissipation fan 10703 need to be selected and determined based on the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0038] The power supply and principle of the heat dissipation fan 10703 are clear to those skilled in the art and will not be described in detail here.

[0039] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high frequency power supply for electric dust removal, characterized in that: The invention comprises a bottom plate (100), a transformer (103) is arranged at the top of the bottom plate (100), first heightening blocks (102) are installed at the four corners of the bottom end of the transformer (103), the bottom end of the first heightening block (102) is fixedly connected to the top of the bottom plate (100), a power supply box (104) is installed at the top of the transformer (103), second heightening blocks (105) are installed at the four corners of the top end of the power supply box (104), a top plate (106) is installed at the top of the second heightening block (105), and the power supply box (104) is installed at the top of the transformer (103). The source box (104) has an opening at the top, a heat dissipation mechanism (107) is installed on the inner side of the opening, the heat dissipation mechanism (107) comprises a heat dissipation cover (10701), a fixing frame (10702) is installed on the inner side of the heat dissipation cover (10701), a heat dissipation fan (10703) is installed on the top of the fixing frame (10702), a dustproof net (10704) is installed on the top of the heat dissipation cover (10701), and exhaust ports (10402) are provided on both sides of the bottom of the power source box (104).

2. A high-frequency power supply for electrostatic precipitator according to claim 1, characterized in that: A plurality of heat dissipation fins (10301) are installed on the first side and the third side of the transformer (103), and the plurality of heat dissipation fins (10301) are distributed at equal intervals.

3. A high-frequency power supply for electrostatic precipitator according to claim 2, characterized in that: The bottom end of the exhaust port (10402) is in contact with the top end of the heat dissipation fin (10301).

4. A high-frequency power supply for electric dust removal according to claim 1, characterized in that: A switch quantity control module (10403), a main circuit control module (10404) and a power tube rectifier bridge control module (10405) are installed inside the power supply box (104).

5. A high frequency power supply for electric dust removal according to claim 1, characterized in that: A high voltage terminal (10302) is installed on the second side of the transformer (103).

6. A high frequency power supply for electric dust removal according to claim 1, characterized in that: A box door (10401) is hinged on one side of the power box (104), and a control panel (108) is installed on one side of the box door (10401).

7. A high frequency power supply for electric dust removal according to claim 1, characterized in that: Universal wheels (101) are installed at the four corners of the bottom end of the base plate (100), and a brake foot plate is connected to one side of the universal wheel (101).

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