Intelligent reactive power compensation device with wide voltage operation

Abstract

The utility model relates to the technical field of electric energy quality control of an electric power system, in particular to an intelligent reactive power compensation device with wide voltage operation, which comprises a cabinet body, a compensation device, a display device and a heat dissipation assembly, the compensation device is arranged in the cabinet body and compensates voltage, the display device is fixedly connected with the cabinet body and is positioned on the outer side of the cabinet body, and the heat dissipation assembly is arranged in the cabinet body. The heat dissipation assembly comprises an air inlet cylinder, an installation component, an air inlet fan, an air outlet cylinder, a fixing component and an air outlet fan, the air inlet cylinder is fixedly connected with the cabinet body and located on the side, away from the display device, of the cabinet body, the air inlet fan is connected with the air inlet cylinder through the installation component, the installation component supports the air inlet fan, the air outlet cylinder is fixedly connected with the cabinet body, and the fixing component supports the air outlet fan. The air outlet fan is arranged in the air inlet cylinder and located on the side, away from the air inlet cylinder, of the cabinet body, the air outlet fan is connected with the air outlet cylinder through the fixing component, the fixing component fixes the air outlet fan, hot air is rapidly exhausted out of the cabinet body, the temperature of the compensation device cannot continuously rise, and the service life of the compensation device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of power quality control of electric power systems, in particular to an intelligent reactive power compensation device operating with a wide voltage. Background Art

[0002] The low-voltage reactive compensation devices currently in use are composed of discrete components, which mainly include controllers, fuses, switching switches, reactors and capacitors. A controller is used to control the switching switches to switch on and off multiple groups of capacitors. The artificial intelligence technology is simple, there are many discrete components, the structure and wiring are complex, and a single device is large in size and small in capacity. Once the controller is damaged, the entire reactive compensation device will be unusable. In addition, when multiple reactive compensation devices are operated in parallel, random and frequent switching of multiple capacitors between the devices will occur, which will have a great impact on the power grid, and cannot achieve intelligent autonomous networking control operation, thereby reducing the service life of the compensation device.

[0003] In the existing patent technology CN205004754U, an intelligent modular reactive power compensation device is recorded to include a cabinet, a multifunctional digital display monitoring instrument, a capacitor switching indicator light, an isolating switch, a current transformer, a power surge protector and an intelligent power capacitor. The power surge protector and the intelligent power capacitor are connected to the three-phase power supply through the isolating switch; the voltage sampling circuit of the multifunctional digital display monitoring instrument is connected to the secondary side of the isolating switch, and the current sampling circuit of the multifunctional digital display monitoring instrument is connected to the secondary side of the current transformer; the signal light output circuit of the intelligent power capacitor is connected to the capacitor switching indicator light. The utility model provides an intelligent modular reactive power compensation device with simple structure wiring, modular combination assembly, and can realize intelligent autonomous networking control operation when a single device is operated or several devices are operated in parallel, and is intelligent and integrated.

[0004] In the existing equipment, vents for heat dissipation are set at the bottom of the cabinet. During long-term use, the compensation device will increase the temperature inside the cabinet. The vents at the bottom of the cabinet alone cannot quickly discharge the hot air inside the cabinet, causing the compensation device to continue to heat up, thereby affecting the service life of the compensation device. Utility Model Content

[0005] The purpose of the utility model is to provide an intelligent reactive power compensation device operating at a wide voltage, which solves the problem that the hot air inside the cabinet cannot be quickly discharged out of the cabinet by relying solely on the vents at the bottom of the cabinet, thereby causing the compensation device to continue to heat up, thereby affecting the service life of the compensation device.

[0006] To achieve the above-mentioned purpose, the utility model provides an intelligent reactive power compensation device with wide voltage operation, comprising a cabinet, a compensation device, a display device and a heat dissipation assembly, wherein the compensation device is installed inside the cabinet, the compensation device compensates for voltage, the display device is fixedly connected to the cabinet, is located on the outside of the cabinet, and is electrically connected to the compensation device, the heat dissipation assembly comprises an air inlet tube, a mounting component, an air inlet fan, an air outlet tube, a fixing component and an air outlet fan, the air inlet tube is fixedly connected to the cabinet, and is located on a side of the cabinet away from the display device, the air inlet fan is connected to the air inlet tube through the mounting component, the mounting component supports the air inlet fan, the air outlet tube is fixedly connected to the cabinet, and is located on a side of the cabinet away from the air inlet tube, the air outlet fan is connected to the air outlet tube through the fixing component, and the fixing component fixes the air outlet fan.

[0007] Among them, the heat dissipation assembly also includes a fixing ring and a fixing rod, the fixing ring is fixedly connected to the cabinet, and is located on a side of the cabinet close to the air inlet tube, and is connected to the air inlet tube; the fixing rod is fixedly connected to the fixing ring, and is located on a side of the fixing ring away from the cabinet, and is connected to the air inlet tube.

[0008] Wherein, the mounting component includes a fixed bracket and a mounting frame, the fixed bracket is fixedly connected to the air inlet cylinder and is located inside the air inlet cylinder; the mounting frame is fixedly connected to the fixed bracket and is located on a side of the fixed bracket away from the air inlet cylinder and is connected to the air inlet fan.

[0009] Wherein, the fixed component includes a support rod and a support frame, the support rod is fixedly connected to the air outlet tube and is located inside the air outlet tube; the support frame is fixedly connected to the support rod and is located on a side of the support rod away from the air outlet tube and is connected to the air outlet fan.

[0010] Wherein, the heat dissipation assembly also includes a fixed frame, a fixed plate and a filter plate, the fixed frame is fixedly connected to the cabinet and is located on a side of the cabinet close to the air inlet tube; the filter plate is fixedly connected to the fixed frame and is located on a side of the fixed frame away from the cabinet; the fixed plate is fixed to the fixed frame and is located on a side of the fixed frame close to the filter plate, and abuts against the filter plate.

[0011] The utility model discloses an intelligent reactive power compensation device with wide voltage operation, wherein the air inlet duct is fixed to the cabinet by bolts, the air inlet fan is installed inside the air inlet duct by the installation component, the cold air outside the cabinet quickly enters the inside of the cabinet by the rotation of the air inlet fan, the air outlet duct is installed to the cabinet by bolts, the air outlet fan is installed inside the air outlet duct by the fixing component, the air outlet fan is firmly installed inside the air outlet duct by the fixing component, the hot air inside the cabinet is quickly discharged from the cabinet by the rotation of the air outlet fan, thereby avoiding the accumulation of hot air inside the cabinet, and further preventing the temperature of the compensation device from continuously rising, thereby extending the service life of the compensation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of an intelligent reactive power compensation device with wide voltage operation according to the first embodiment of the utility model.

[0014] Figure 2 It is a cross-sectional view of the air outlet and air inlet of the first embodiment of the utility model.

[0015] Figure 3 The first embodiment of the utility model Figure 2 Enlarged view of point A in the middle.

[0016] Figure 4 The first embodiment of the utility model Figure 2 Enlarged view of point B in the middle.

[0017] Figure 5 It is a schematic diagram of the installation of the fixing frame, the fixing plate and the filter plate of the second embodiment of the utility model.

[0018] In the figure: 100-cabinet, 101-compensation device, 102-display device, 103-air inlet pipe, 104-air inlet fan, 105-air outlet pipe, 106-air outlet fan, 107-fixing ring, 108-fixing rod, 109-fixing bracket, 110-installation frame, 111-support rod, 112-support frame, 213-fixing frame, 214-fixing plate, 215-filter plate. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figures 1 to 4 , Figure 1 This is a schematic diagram of the overall structure of an intelligent reactive power compensation device for wide voltage operation according to the first embodiment of the utility model. Figure 2 2 is a cross-sectional view of the air outlet and air inlet of the first embodiment of the utility model. Figure 3 The first embodiment of the utility model Figure 2 The enlarged view of point A in the middle. Figure 4 The first embodiment of the utility model Figure 2 Enlarged view of point B in the middle.

[0022] The utility model provides an intelligent reactive power compensation device for wide voltage operation, comprising a cabinet 100, a compensation device 101, a display device 102 and a heat dissipation component, wherein the heat dissipation component comprises an air inlet 103, a mounting component, an air inlet fan 104, an air outlet 105, a fixing component and an air outlet fan 106, the heat dissipation component further comprises a fixing ring 107 and a fixing rod 108, the mounting component comprises a fixing bracket 109 and a mounting frame 110, and the fixing component comprises a support rod 111 and a support frame 112. This solution solves the problem that the hot air inside the cabinet cannot be quickly discharged from the cabinet 100 by the vents at the bottom of the cabinet 100, thereby causing the compensation device 101 to continue to heat up, thereby affecting the service life of the compensation device 101, and can also prevent debris from entering the cabinet 100.

[0023] According to this specific embodiment, the compensation device 101 is installed inside the cabinet 100, the compensation device 101 compensates for the voltage, the display device 102 is fixedly connected to the cabinet 100, and is located on the outside of the cabinet 100, and is electrically connected to the compensation device 101. The compensation device 101 and the display device 102 are both mechanical structures recorded in the existing patent technology CN205004754U, an intelligent modular reactive power compensation device 101. The compensation device 101 is installed inside the cabinet 100, and the voltage is compensated by the compensation device 101. The display device 102 is installed on the cabinet 100 and is electrically connected to the compensation device 101. The operating status of the compensation device 101 is displayed by the display device 102. Through this solution, the hot air inside the cabinet 100 is quickly discharged from the cabinet 100, thereby reducing the temperature of the compensation device 101 and extending the service life of the compensation device 101.

[0024] The air inlet 103 is fixedly connected to the cabinet 100 and is located on a side of the cabinet 100 away from the display device 102. The air inlet fan 104 is connected to the air inlet 103 through the mounting member, and the mounting member supports the air inlet fan 104. The air outlet 105 is fixedly connected to the cabinet 100 and is located on a side of the cabinet 100 away from the air inlet 103. The air outlet fan 106 is connected to the air outlet 105 through the fixing member, and the fixing member fixes the air outlet fan 106. The air inlet 103 is fixed to the cabinet 100 by bolts, and the air inlet fan 104 is installed inside the air inlet 103 through the mounting member. The cold air outside the cabinet 100 can quickly enter the interior of the cabinet 100 through the rotation of the air inlet fan 104, the air outlet pipe 105 is installed on the cabinet 100 by bolts, and the air outlet fan 106 is installed inside the air outlet pipe 105 through the fixing component. The air outlet fan 106 is firmly installed inside the air outlet pipe 105 through the fixing component. The hot air inside the cabinet 100 can be quickly discharged from the cabinet 100 through the rotation of the air outlet fan 106, thereby avoiding the accumulation of hot air inside the cabinet 100, and further preventing the temperature of the compensation device 101 from continuing to rise, thereby extending the service life of the compensation device 101.

[0025] Secondly, the fixing ring 107 is fixedly connected to the cabinet 100, and is located on a side of the cabinet 100 close to the air inlet tube 103, and is connected to the air inlet tube 103; the fixing rod 108 is fixedly connected to the fixing ring 107, and is located on a side of the fixing ring 107 away from the cabinet 100, and is connected to the air inlet tube 103, the fixing ring 107 is installed on the cabinet 100 by bolts, the inner side of the fixing ring 107 is connected to the air inlet tube 103, one end of the fixing rod 108 is installed on the fixing ring 107 by bolts, and the other end of the fixing rod 108 is connected to the air inlet tube 103, so that the fixing ring 107, the fixing rod 108 and the air inlet tube 103 form a stable triangular structure, so that the air inlet tube 103 is more firmly fixed on the air inlet tube 103.

[0026] At the same time, the fixed bracket 109 is fixedly connected to the air inlet tube 103 and is located inside the air inlet tube 103; the mounting frame 110 is fixedly connected to the fixed bracket 109 and is located on a side of the fixed bracket 109 away from the air inlet tube 103, and is connected to the air inlet fan 104. The fixed bracket 109 is installed inside the air inlet tube 103 by bolts, and the mounting frame 110 is installed on a side of the fixed bracket 109 away from the air inlet tube 103 by bolts. The air inlet fan 104 is installed on the mounting frame 110 by bolts. The fixed bracket 109 is used to make the air inlet fan 104 located at the center of the cross section of the air inlet tube 103, thereby increasing the wind flow rate.

[0027] In addition, the support rod 111 is fixedly connected to the air outlet cylinder 105 and is located inside the air outlet cylinder 105; the support frame 112 is fixedly connected to the support rod 111 and is located on a side of the support rod 111 away from the air outlet cylinder 105, and is connected to the air outlet fan 106, the support rod 111 is installed inside the air outlet cylinder 105 by bolts, the support frame 112 is fixed by bolts to a side of the support rod 111 away from the air outlet cylinder 105, and the air outlet fan 106 is installed on the support frame 112 by bolts, so that the air outlet fan 106 is located at the center of the air outlet cylinder 105.

[0028] An intelligent reactive power compensation device operating at a wide voltage is used according to the present embodiment. When the temperature inside the cabinet 100 is high, the air inlet fan 104 is started, and the air outside the cabinet 100 is sucked into the cabinet 100 through the air inlet fan 104. The air outlet fan 106 is started, and the air inside the cabinet 100 is sucked out of the cabinet 100 through the suction force of the air outlet fan 106. The cooperation of the air inlet fan 104 and the air outlet fan 106 accelerates the circulation of air inside the cabinet 100, thereby achieving rapid discharge of hot air and avoiding continuous heating of the compensation device 101.

[0029] The second embodiment of the present application is:

[0030] Based on the first embodiment, please refer to Figure 5 , Figure 5 It is a schematic diagram of the installation of the fixing frame, the fixing plate and the filter plate of the second embodiment of the utility model.

[0031] The heat dissipation assembly of this embodiment further includes a fixing frame 213 , a fixing plate 214 and a filter plate 215 .

[0032] The fixing frame 213 is fixedly connected to the cabinet 100 and is located on a side of the cabinet 100 close to the air inlet 103; the filter plate 215 is fixedly connected to the fixing frame 213 and is located on a side of the fixing frame 213 away from the cabinet 100; the fixing plate 214 is fixed to the fixing frame 213 and is located on a side of the fixing frame 213 close to the filter plate 215 and abuts against the filter plate 215. The fixing frame 213 is fixed to the cabinet 100 by bolts. The outer side of the cabinet 100 is arranged, and the air inlet 103 is located on the inner side of the fixed frame 213. The filter plate 215 is installed on the fixed frame 213, so that the filter plate 215 blocks the air inlet of the air inlet 103, and the debris is filtered by the filter plate 215. The fixed plate 214 is installed on the fixed frame 213 by bolts, and the filter plate 215 is located in the interlayer between the fixed plate 214 and the fixed frame 213, so as to fix the filter plate 215.

[0033] An intelligent reactive power compensation device with wide voltage operation is used in this embodiment. When the air intake fan 104 is started, the air sucked in by the air intake fan 104 is first filtered through the filter plate 215 to prevent larger impurities from being sucked into the cabinet 100, thereby preventing impurities from covering the surface of the compensation device 101, thereby ensuring the normal operation of the compensation device 101.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An intelligent reactive power compensation device for wide voltage operation, comprising a cabinet, a compensation device and a display device, wherein the compensation device is installed inside the cabinet, the compensation device compensates voltage, the display device is fixedly connected to the cabinet, is located outside the cabinet, and is electrically connected to the compensation device, characterized in that: Also included is a heat dissipation assembly; The heat dissipation assembly includes an air inlet cylinder, a mounting component, an air inlet fan, an air outlet cylinder, a fixing component and an air outlet fan. The air inlet cylinder is fixedly connected to the cabinet and is located on a side of the cabinet away from the display device. The air inlet fan is connected to the air inlet cylinder through the mounting component, and the mounting component supports the air inlet fan. The air outlet cylinder is fixedly connected to the cabinet and is located on a side of the cabinet away from the air inlet cylinder. The air outlet fan is connected to the air outlet cylinder through the fixing component, and the fixing component fixes the air outlet fan.

2. The intelligent reactive power compensation device for wide voltage operation according to claim 1, characterized in that: The heat dissipation assembly also includes a fixing ring and a fixing rod. The fixing ring is fixedly connected to the cabinet and is located on a side of the cabinet close to the air inlet tube and is connected to the air inlet tube. The fixing rod is fixedly connected to the fixing ring and is located on a side of the fixing ring away from the cabinet and is connected to the air inlet tube.

3. The intelligent reactive power compensation device for wide voltage operation according to claim 1, characterized in that: The mounting component includes a fixed bracket and a mounting frame. The fixed bracket is fixedly connected to the air inlet cylinder and is located inside the air inlet cylinder. The mounting frame is fixedly connected to the fixed bracket and is located on a side of the fixed bracket away from the air inlet cylinder and is connected to the air inlet fan.

4. The intelligent reactive power compensation device for wide voltage operation according to claim 1, characterized in that: The fixing member includes a support rod and a support frame. The support rod is fixedly connected to the air outlet cylinder and is located inside the air outlet cylinder. The support frame is fixedly connected to the support rod and is located on a side of the support rod away from the air outlet cylinder and is connected to the air outlet fan.

5. The intelligent reactive power compensation device for wide voltage operation according to claim 1, characterized in that: The heat dissipation assembly also includes a fixed frame, a fixed plate and a filter plate. The fixed frame is fixedly connected to the cabinet and is located on a side of the cabinet close to the air inlet tube; the filter plate is fixedly connected to the fixed frame and is located on a side of the fixed frame away from the cabinet; the fixed plate is fixed to the fixed frame and is located on a side of the fixed frame close to the filter plate, and abuts against the filter plate.

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