Temperature measuring device for reactive compensation equipment

Abstract

The utility model discloses a temperature measuring device for reactive compensation equipment, which comprises a compensation capacitor, the upper surface of the compensation capacitor is fixedly connected with an electrode contact, the front surface and the rear surface of the compensation capacitor are respectively provided with a second connecting band and a first connecting band, the lower surface of the first connecting band is fixedly connected with a first temperature sensor, and the lower surface of the first temperature sensor is fixedly connected with a second temperature sensor. The lower surface of the first temperature sensor is fixedly connected with a first flexible heat conducting sheet, the rear surface of the second connecting belt is fixedly connected with a second interlocking belt, the left side and the right side of the interior of the second interlocking belt are each provided with a plurality of second embedding grooves, and the inner surface of each second embedding groove is provided with a second embedding column; and the upper surface of the second embedding column is fixedly connected with a first interlocking belt. The first connecting band and the second connecting band play a role in fixing and supporting the compensation capacitor, so that the overall connection strength and stability of the equipment are enhanced, the temperature sensing component is ensured to always work normally, the reliability of the equipment is improved, and the service life of the equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to power equipment technical field, especially a kind of temperature measuring device for reactive power compensation equipment. BACKGROUND

[0002] Reactive compensation is a kind of in power supply system, improve the power factor of grid, reduce the loss of power transformer and transmission line, improve power supply efficiency, improve the technology of power supply environment, with the rapid development of electric power technology, more and more reactive power compensation equipment is put into power system use, reactive power compensation equipment is in a indispensable very important position in power supply system.Reactive compensation equipment mainly includes reactive compensation controller, multiple mutually parallel capacitors, capacitor switch, fuse holder and other auxiliary components, reactive compensation controller measures the reactive power or power factor of line, and realizes control capacitor to be put into line use or from line by controlling the opening and closing of capacitor switch.The operation of capacitor is greatly affected by temperature, according to the provisions, the temperature of capacitor internal medium should be lower than 65 DEG C, the highest does not exceed 70 DEG C, otherwise it can cause thermal breakdown.As the internal elements of capacitor in reactive power compensation equipment are sealed in capacitor shell, therefore, the temperature in capacitor cannot be directly measured in prior art, and indirect estimation method is used, such as sticking the probe of tung oil lime thermometer at two-thirds height in capacitor shell large surface, the temperature of capacitor shell is measured to roughly estimate its internal temperature (generally with 10 DEG C temperature difference).

[0003] The temperature measuring device of conventional reactive power compensation equipment can not obtain temperature data in time and accurately due to unstable connection with equipment during long time use, which causes serious safety risk to normal operation of equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of temperature measuring device for reactive power compensation equipment, and the first connecting band and the second connecting band are used to fix and support compensation capacitor, which enhances the connection strength and stability of the whole equipment, ensures that temperature sensing component always works normally, improves the reliability and service life of the equipment, and the high efficient heat conduction performance of flexible heat conduction sheet enables temperature sensor to obtain temperature data in time and accurately, so as to realize accurate and comprehensive monitoring of compensation capacitor temperature, and provide reliable basis for equipment operation state evaluation.

[0005] In order to achieve the above object, a temperature measuring device for a reactive compensation device is provided, comprising: a compensation capacitor, the upper surface of the compensation capacitor is fixedly connected with an electrode joint, the front and rear surfaces of the compensation capacitor are respectively provided with a second connecting band and a first connecting band, the lower surface of the first connecting band is fixedly connected with a first temperature sensor, the lower surface of the first temperature sensor is fixedly connected with a first flexible heat conduction sheet, the rear surface of the second connecting band is fixedly connected with a second interlocking band, the left and right sides of the inside of the second interlocking band are respectively provided with a plurality of second fitting grooves, the inner surface of the second fitting groove is provided with a second fitting column, the upper surface of the second fitting column is fixedly connected with a first interlocking band, the rear surface of the first interlocking band is fixedly connected with the first connecting band, the lower surface of the first connecting band is fixedly connected with a first fixing band, the rear surface of the first fixing band is fixedly connected with a first communication line, the left and right sides of the inside of the first fixing band are respectively provided with a plurality of first fitting grooves, the inner surface of the first fitting groove is provided with a first fitting column, one end of the first fitting column is fixedly connected with a second fixing band, the left and right sides of the inner surface of the second fixing band are respectively fixedly connected with a second temperature sensor, the outer surface of the second temperature sensor is fixedly connected with a second flexible heat conduction sheet, and the second flexible heat conduction sheet is in contact with the compensation capacitor, and the front surface of the second fixing band is fixedly connected with a second communication line. Through the orderly connection of each component, the multiple functions of temperature monitoring, signal transmission and structural stability are realized.

[0006] According to the temperature measuring device for the reactive compensation device, the first flexible heat conduction sheet is symmetrically arranged on the front and rear sides of the upper surface of the compensation capacitor, and the number of the first temperature sensors corresponds to the number of the first flexible heat conduction sheets. By symmetrically arranging and correspondingly configuring, the temperature data on the upper surface of the compensation capacitor is accurately collected in all directions.

[0007] According to the temperature measuring device for the reactive compensation device, the second fitting column is symmetrically arranged on the left and right sides of the lower surface of the first interlocking band, and the lower surface of the first interlocking band is arranged in the same way as the second connecting band. The symmetrical distribution and the same arrangement ensure the balance of the component connection and enhance the overall structural stability of the device.

[0008] According to the temperature measuring device for the reactive compensation device, the second flexible heat conduction sheet is symmetrically arranged around the compensation capacitor, and the inner surface of the first fixing band is arranged in the same way as the second fixing band. By symmetrically arranging and similarly configuring, the capacitor temperature is comprehensively monitored and the fixing effect is guaranteed.

[0009] According to the temperature measuring device for the reactive compensation device, the size of the first fitting column is matched with the size of the first fitting groove, and the size of the second fitting column is matched with the size of the second fitting groove. The accurately matched sizes ensure that the components are tightly fitted, and the connection firmness and reliability of the device are improved.

[0010] The above-mentioned scheme has the beneficial effects of:

[0011] The utility model discloses first connecting band, first temperature sensor, first flexible heat conduction sheet, second connecting band, second interlocking band, second embedded slot, second embedded column, first interlocking band, first fixed band, first communication line, first embedded slot, first embedded column, second fixed band, second temperature sensor, second flexible heat conduction sheet and second communication line are provided, and the fixed support effect of compensation capacitor is played through first connecting band and second connecting band, the connection intensity and stability of equipment whole are strengthened, ensure that temperature sensing part always works normally, the reliability and service life of equipment are promoted, and the efficient heat conduction performance of flexible heat conduction sheet makes temperature sensor can obtain temperature data in time and accurately, thereby realizing accurate and comprehensive monitoring to compensation capacitor temperature, and providing reliable basis for equipment operation state evaluation.

[0012] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further illustrated below in combination with the drawings and examples;

[0014] Figure 1 It is the perspective view of a kind of temperature measuring device for reactive compensation equipment of the utility model;

[0015] Figure 2 It is the front view of a kind of temperature measuring device for reactive compensation equipment of the utility model;

[0016] Figure 3 It is the sectional perspective view of a kind of temperature measuring device for reactive compensation equipment of the utility model;

[0017] Figure 4 It is the utility model Figure 3 It is the structure enlarged view of place A in the utility model;

[0018] Figure 5 It is the utility model Figure 3 It is the structure enlarged view of place B in the utility model.

[0019] Legend:

[0020] 1, compensation capacitor;2, electrode connector;3, first fixed band;4, second fixed band;5, first communication line;6, second communication line;7, first connecting band;8, second connecting band;9, first temperature sensor;10, first flexible heat conduction sheet;11, first interlocking band;12, second interlocking band;13, first embedded slot;14, first embedded column;15, second embedded column;16, second embedded slot;17, second temperature sensor;18, second flexible heat conduction sheet. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0022] With reference to Figures 1-5The utility model discloses an embodiment of a temperature measuring device for reactive compensation equipment, which comprises: a compensation capacitor 1, an electrode connector 2 is fixedly connected to the upper surface of the compensation capacitor 1, the electrode connector 2 is used for connecting an external circuit to provide an electric energy transmission channel for the compensation capacitor 1, ensuring normal operation of the compensation capacitor 1, and meanwhile, the stable connection ensures the reliability of the electrical connection, the front and back surfaces of the compensation capacitor 1 are respectively provided with a second connecting belt 8 and a first connecting belt 7, the second connecting belt 8 and the first connecting belt 7 are used for connecting the compensation capacitor 1 and other components, playing a fixing and supporting role, ensuring the position stability of the compensation capacitor 1 in the equipment, facilitating the installation and operation of subsequent temperature sensing components, the lower surface of the first connecting belt 7 is fixedly connected with a first temperature sensor 9, the first temperature sensor 9 can monitor the temperature change of the corresponding part of the compensation capacitor 1 in real time, converts the temperature signal into an electric signal, and provides key data for equipment temperature monitoring, the lower surface of the first temperature sensor 9 is fixedly connected with a first flexible heat conduction sheet 10, the first flexible heat conduction sheet 10 can efficiently conduct the heat on the surface of the compensation capacitor 1 to the first temperature sensor 9, enhancing the accuracy and timeliness of temperature sensing, reducing the temperature measurement error, the rear surface of the second connecting belt 8 is fixedly connected with a second interlocking belt 12, the second interlocking belt 12 cooperates with related components to realize interlocking connection in structure, enhancing the stability of the overall structure of the equipment, ensuring the reliable operation of the temperature sensing components in the equipment running process, a plurality of second embedded grooves 16 are formed in the left and right sides of the inside of the second interlocking belt 12, the second embedded grooves 16 cooperate with second embedded columns 15 to realize accurate positioning and firm connection between components through the embedded mode, ensuring the installation precision and connection strength of the temperature sensing components, the inner surface of the second embedded groove 16 is provided with the second embedded column 15, the second embedded column 15 cooperates with the second embedded groove 16 to complete the mechanical connection between components, stably combines the second interlocking belt 12 with the first interlocking belt 11, and ensures the integrity of the equipment structure, the upper surface of the second embedded column 15 is fixedly connected with the first interlocking belt 11, the first interlocking belt 11 cooperates with the second interlocking belt 12 to work, enhances the connection stability through the interlocking mechanism, provides a stable installation basis for the temperature sensing components, the rear surface of the first interlocking belt 11 is fixedly connected with the first connecting belt 7, stably combines the first connecting belt 7 with the first interlocking belt 11, ensures that the components such as the first temperature sensor 9 on the first connecting belt 7 will not be loose during equipment operation, ensures normal temperature measurement function, the lower surface of the first connecting belt 7 is fixedly connected with a first fixing belt 3, the first fixing belt 3 is used for fixing components such as the first temperature sensor 9 and the first flexible heat conduction sheet 10, preventing displacement of the components during equipment operation and affecting the temperature monitoring effect, the rear surface of the first fixing belt 3 is fixedly connected with a first communication line 5, the first communication line 5 transmits the temperature signal collected by the first temperature sensor 9 to the monitoring system of the equipment, realizes remote transmission and processing of temperature data, and is convenient for real-time monitoring, a plurality of first embedded grooves 13 are formed in the left and right sides of the inside of the first fixing belt 3, the first embedded grooves 13 cooperate with first embedded columns 14,The detachable connection of the first fixing band 3 and the second fixing band 4 is realized, and the installation, maintenance and repair of the equipment are facilitated. The inner surface of the first fitting groove 13 is provided with a first fitting column 14, the first fitting column 14 is matched with the first fitting groove 13, the tightness and stability of the connection of the first fixing band 3 and the second fixing band 4 are ensured, the overall stability of the temperature sensing component is ensured, one end of the first fitting column 14 is fixedly connected with the second fixing band 4, the second fixing band 4 and the first fixing band 3 jointly fix the second temperature sensor 17 and other components, the temperature of the compensation capacitor 1 is monitored from multiple directions, the comprehensiveness of temperature monitoring is improved, the inner surface of the second fixing band 4 is fixedly connected with the second temperature sensor 17 on the left and right sides, the second temperature sensor 17 is matched with the first temperature sensor 9, the temperature of the compensation capacitor 1 is monitored in all directions, more reliable data support is provided for the safe operation of the equipment, the outer surface of the second temperature sensor 17 is fixedly connected with the second flexible heat conduction sheet 18, and the second flexible heat conduction sheet 18 and the compensation capacitor are in contact, the second flexible heat conduction sheet 18 can effectively conduct the heat of different parts of the compensation capacitor 1 to the second temperature sensor 17, so that the second temperature sensor 17 can accurately obtain temperature information.

[0023] The first flexible heat conduction sheet 10 is symmetrically arranged on the upper surface of the compensation capacitor 1, the number of the first temperature sensor 9 corresponds to the number of the first flexible heat conduction sheet 10, and the temperature on the upper surface of the compensation capacitor 1 is uniformly and comprehensively collected through symmetrical distribution and corresponding arrangement, so that the temperature measurement accuracy is improved. The second fitting column 15 is symmetrically arranged on the left and right sides of the lower surface of the first interlocking band 11, the lower surface of the first interlocking band 11 is arranged in the same way as the second connecting band 8, and the symmetrical and same arrangement ensures the balance and stability of the equipment structure and enhances the reliability of the connection between components. The second flexible heat conduction sheet 18 is symmetrically arranged around the compensation capacitor 1, the inner surface of the first fixing band 3 is arranged in the same way as the second fixing band 4, and the temperature of the compensation capacitor 1 is monitored in all directions and at multiple angles through the symmetrically arranged second flexible heat conduction sheet 18 and the same structure fixing band, so that the temperature monitoring accuracy and reliability are improved. The size of the first fitting column 14 is matched with the size of the first fitting groove 13, and the size of the second fitting column 15 is matched with the size of the second fitting groove 16. The accurate size matching ensures the tightness and firmness of the fitting connection between components, ensures that the components will not loosen during the operation of the equipment, and maintains the normal operation of the temperature measuring device.

[0024] Working principle: first, the first flexible heat conduction sheet 10 is symmetrically pasted on the front and back sides of the upper surface of the compensation capacitor 1, then the first temperature sensor 9 is fixed on the lower surface of the first flexible heat conduction sheet 10, the second flexible heat conduction sheet 18 is symmetrically installed around the compensation capacitor 1, then the second temperature sensor 17 is fixed on the outer surface of the second flexible heat conduction sheet 18, then the first fixed band 3 and the second fixed band 4 are connected by the cooperation of the first embedding column 14 and the first embedding groove 13, the first fixed band 3 is fixed on the lower surface of the first connecting band 7, the second fixed band 4 wraps the compensation capacitor 1, at the same time, the first interlocking band 11 and the second interlocking band 12 are interlocked by the cooperation of the second embedding column 15 and the second embedding groove 16, the rear surface of the first interlocking band 11 and the first connecting band 7 are fixed, the second interlocking band 12 is fixed on the rear surface of the second connecting band 8, the overall structure assembly is completed, the electrode connector 2 is connected with the external circuit, the power transmission channel is built for the compensation capacitor 1, the first communication line 5 is connected with the first temperature sensor 9 and the equipment monitoring system, the second communication line 6 is connected with the second temperature sensor 17 and the equipment monitoring system, the temperature signal transmission path is established, in the equipment operation process, the first flexible heat conduction sheet 10 and the second flexible heat conduction sheet 18 respectively conduct the heat of different parts of the compensation capacitor 1 to the first temperature sensor 9 and the second temperature sensor 17, the two temperature sensors convert the temperature change into electric signal, the first communication line 5 and the second communication line 6 transmit the collected temperature signal to the monitoring system, realize the real-time and all-around monitoring of the temperature of the compensation capacitor 1, the monitoring system analyzes and processes the received data, and provides protection for the equipment operation safety.

[0025] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A temperature measuring device for a reactive compensation device, comprising: The utility model provides a compensation capacitor (1), the electrode joint (2) is fixedly connected on the upper surface of compensation capacitor (1), characterized by: the front and back surface of compensation capacitor (1) is provided with second connecting band (8) and first connecting band (7) respectively, the lower surface of first connecting band (7) is fixedly connected with first temperature sensor (9), the lower surface of first temperature sensor (9) is fixedly connected with first flexible heat conduction sheet (10), the rear surface of second connecting band (8) is fixedly connected with second interlocking band (12), the inside left and right sides of second interlocking band (12) are all provided with a plurality of second embedded groove (16), the inner surface of second embedded groove (16) is provided with second embedded column (15), the upper surface of second embedded column (15) is fixedly connected with first interlocking band (11), the rear surface of first interlocking band (11) is fixedly connected with first connecting band (7), the lower surface of first connecting band (7) is fixedly connected with first fixed band (3), the rear surface of first fixed band (3) is fixedly connected with first communication line (5), the inside left and right sides of first fixed band (3) are all provided with a plurality of first embedded groove (13), the inner surface of first embedded groove (13) is provided with first embedded column (14), one end of first embedded column (14) is fixedly connected with second fixed band (4), the inner surface left and right sides of second fixed band (4) are all fixedly connected with second temperature sensor (17), the outer surface of second temperature sensor (17) is fixedly connected with second flexible heat conduction sheet (18), and second flexible heat conduction sheet (18) and compensation capacitor are in contact, the front surface of second fixed band (4) is fixedly connected with second communication line (6).

2. The temperature measuring device for a reactive power compensation device according to claim 1, characterized in that: The first flexible heat conduction sheet (10) is symmetrically arranged on the upper surface of the compensation capacitor (1) on the front and back sides, and the number of the first temperature sensor (9) corresponds to the number of the first flexible heat conduction sheet (10).

3. The temperature measuring device for a reactive power compensation device according to claim 1, characterized in that: The second embedded column (15) is symmetrically arranged on the left and right sides of the lower surface of the first interlocking band (11), and the lower surface of the first interlocking band (11) is arranged in the same way as the second connecting band (8).

4. The temperature measuring device for a reactive power compensation apparatus according to claim 1, characterized by: The second flexible heat conduction sheet (18) is symmetrically arranged around the compensation capacitor (1), and the inner surface of the first fixed band (3) is arranged in the same way as the second fixed band (4).

5. The temperature measuring device for a reactive power compensation device according to claim 1, characterized in that: The size of the first embedded column (14) is adapted to the size of the first embedded groove (13), and the size of the second embedded column (15) is adapted to the size of the second embedded groove (16).

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