Wireless temperature sensor and mounting fixture for pole mounted circuit breaker

Abstract

The utility model relates to a wireless temperature sensor and installation and fixing device for a pole-mounted circuit breaker. The shell cover is fixed to the lower end of the shell body, the integrated circuit board and the coil frame are fixed in the shell body, the coil is wound on the coil frame, and the power belt body passes through the power belt through holes on the left plate of the shell body, the coil frame, and the right plate of the shell body. The installation and fixing device of the wireless temperature sensor for the pole-mounted circuit breaker includes a primary circuit terminal and a high-voltage cable connection plate of an outdoor circuit breaker, the primary circuit terminal is fixed to the high-voltage cable connection plate; the power belt body is wound on the high-voltage cable connection plate, the power belt body is in electrical contact with the high-voltage cable connection plate, and the locking toothed belt is inserted into the locking long hole to tighten the power belt body. The utility model can timely observe the temperature rise changes of the primary circuit terminal, is convenient for data collection, and is easy to install, and well solves the problem of circuit breaker damage caused by the inability to timely observe the temperature rise changes.

Description

Technical Field

[0001] The utility model relates to the technical field of pole-mounted circuit breakers, and specifically discloses a wireless temperature sensor for a pole-mounted circuit breaker and an installation and fixing device. Background Art

[0002] With the continuous increase in electricity demand, people are paying more and more attention to electricity safety. Pole-mounted circuit breakers have become an important electrical equipment, responsible for closing and disconnecting power lines and protecting system safety. However, one of the key technical parameters of pole-mounted circuit breakers is temperature rise, so how to observe the temperature rise of pole-mounted circuit breakers in real time has always been the focus of people's attention. Due to the disadvantages of traditional temperature measurement methods such as infrared thermometers that cannot achieve real-time monitoring and early warning, and require manual on-site temperature measurement and data storage difficulties, with the development of wireless temperature measurement technology, such problems can be solved. However, due to the variety of circuit breakers on the market, the fixing devices also need to change accordingly, so how to correctly and effectively install wireless temperature measurement sensors on circuit breaker switches has become a top priority. Summary of the invention

[0003] The utility model aims to overcome the deficiencies in the prior art and to provide a wireless temperature sensor and an installation and fixing device for a pole-mounted circuit breaker which can timely observe the temperature rise of a primary circuit terminal, is convenient for data collection and is easy to install.

[0004] According to the technical solution provided by the utility model, the wireless temperature sensor for the pole-mounted circuit breaker includes a housing, a power-taking belt, a coil skeleton, a coil, an integrated circuit board and a housing cover;

[0005] The shell comprises a shell body, a locking piece and a locking toothed belt, the shell body is composed of a left side plate of the shell body, a right side plate of the shell body, a front side plate of the shell body, a rear side plate of the shell body and a top plate of the shell body, a locking piece is fixed on the left side of the left side plate of the shell body, a locking toothed belt is fixed on the right side of the right side plate of the shell body, a locking long hole with a length direction in the inward and outward direction is opened on the locking piece, the locking long hole cooperates with the locking toothed belt, a left power-taking belt groove with a length direction in the left and right direction is opened on the bottom surface of the locking piece, a right power-taking belt groove with a length direction in the left and right direction is opened on the bottom surface of the locking toothed belt, the length direction of the right power-taking belt groove is in the same straight line as the length direction of the left power-taking belt groove, and power-taking belt passing holes are opened on the left side plate of the shell body and the right side plate of the shell body;

[0006] The power-collecting belt is T-shaped, and includes a power-collecting belt body and a power-collecting belt limiting head fixed at the left end of the power-collecting belt body. The width of the power-collecting belt body is smaller than the width of the power-collecting belt limiting head, and the width of the power-collecting belt body is smaller than the width of the right power-collecting belt slot and the left power-collecting belt slot. The width of the power-collecting belt limiting head is larger than the width of the left power-collecting belt slot.

[0007] The coil frame is provided with a hole through which the power-taking belt passes;

[0008] The integrated circuit board includes a temperature sensor, a signal converter and a digital signal transmitter, the output end of the temperature sensor is connected to the input end of the signal converter, and the output end of the signal converter is connected to the input end of the digital signal transmitter;

[0009] The shell cover is fixed at the lower end of the shell body, the integrated circuit board is fixed in the shell body, the coil skeleton is fixed in the shell body above the integrated circuit board, the coil is wound on the coil skeleton, and both ends of the coil are electrically connected to the integrated circuit board. The power belt body of the power belt passes through the power belt through hole on the left side plate of the shell body, the power belt through hole on the coil skeleton and the power belt through hole on the right side plate of the shell body from left to right, part of the power belt body is located in the left power belt slot and the right power belt slot, and the power belt limit head is located below the left power belt slot.

[0010] The installation and fixing device of the wireless temperature sensor for the pole-mounted circuit breaker comprises a primary circuit terminal and a high-voltage cable connection plate of the outdoor circuit breaker, wherein the primary circuit terminal and the high-voltage cable connection plate are fixed together;

[0011] The power taking belt body is wound on a high voltage cable connection plate near a primary circuit terminal, the power taking belt body is in electrical contact with the high voltage cable connection plate, and the locking toothed belt is inserted into the locking long hole to tighten the power taking belt body.

[0012] The utility model can timely observe the temperature rise change of the primary circuit terminal, has the characteristics of simple structure, small size, convenient data collection and easy installation, and well solves the problem of circuit breaker damage caused by the inability to timely observe the temperature rise change. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is one of the three-dimensional diagrams of the wireless temperature sensor for the pole-mounted circuit breaker in the utility model.

[0014] Figure 2 This is the second stereoscopic view of the wireless temperature sensor for the pole-mounted circuit breaker in the utility model.

[0015] Figure 3 It is a cross-sectional view of the wireless temperature sensor for a pole-mounted circuit breaker in the utility model.

[0016] Figure 4 It is one of the three-dimensional diagrams of the shell in the utility model.

[0017] Figure 5 This is the second stereoscopic view of the shell in the utility model.

[0018] Figure 6 It is a three-dimensional diagram of the power-taking belt in the utility model.

[0019] Figure 7 It is a stereoscopic diagram of the coil skeleton in the utility model.

[0020] Figure 8 It is a three-dimensional diagram of the coil in the utility model.

[0021] Fig. 9 It is a three-dimensional diagram of the integrated circuit board in the utility model.

[0022] Fig.10 It is a three-dimensional diagram of the shell cover in the utility model.

[0023] Fig.11 It is one of the three-dimensional views of the installation and fixing device of the wireless temperature sensor for the pole-mounted circuit breaker in the utility model.

[0024] Fig.12 This is the second stereoscopic view of the installation and fixing device of the wireless temperature sensor for the pole-mounted circuit breaker in the utility model. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with specific embodiments.

[0026] A wireless temperature sensor for a pole mounted circuit breaker, such as Figure 1-3 As shown, it includes a housing 1, a power-taking belt 2, a coil skeleton 3, and a coil 4 (such as Figure 8 As shown), integrated circuit board 5 and housing cover 6 (as shown Fig.10 As shown), the housing 1, the coil frame 3 and the housing cover 6 are all made of insulating materials;

[0027] like Figure 4 and Figure 5As shown, the shell 1 includes a shell body 1.1, a locking piece 1.2 and a locking toothed belt 1.3. The shell body 1.1 is composed of a left side plate of the shell body, a right side plate of the shell body, a front side plate of the shell body, a rear side plate of the shell body and a top plate of the shell body, a locking piece 1.2 is fixed on the left side of the left side plate of the shell body, a locking toothed belt 1.3 is fixed on the right side of the right side plate of the shell body, a locking long hole 1.21 with a length direction in the inward and outward direction is opened on the locking piece 1.2, and the locking long hole 1.21 cooperates with the locking toothed belt 1.3, a left power-taking belt groove 1.22 with a length direction in the left and right direction is opened on the bottom surface of the locking piece 1.2, and a right power-taking belt groove 1.32 with a length direction in the left and right direction is opened on the bottom surface of the locking toothed belt 1.3, the length direction of the right power-taking belt groove 1.32 is on the same straight line as the length direction of the left power-taking belt groove 1.22, and power-taking belt passing holes are opened on the left side plate of the shell body and the right side plate of the shell body;

[0028] like Figure 6 As shown, the power-collecting belt 2 is T-shaped, and the power-collecting belt 2 includes a power-collecting belt body 2.1 and a power-collecting belt limiter 2.2 fixed to the left end of the power-collecting belt body 2.1. The width of the power-collecting belt body 2.1 is smaller than the width of the power-collecting belt limiter 2.2, and the width of the power-collecting belt body 2.1 is smaller than the width of the right power-collecting belt slot 1.32 and the left power-collecting belt slot 1.22. The width of the power-collecting belt limiter 2.2 is greater than the width of the left power-collecting belt slot 1.22.

[0029] like Figure 7 As shown, the coil frame 3 is provided with a hole through which the power-taking belt passes;

[0030] like Fig. 9 As shown, the integrated circuit board 5 includes a temperature sensor, a signal converter and a digital signal transmitter, the output end of the temperature sensor is connected to the input end of the signal converter, and the output end of the signal converter is connected to the input end of the digital signal transmitter;

[0031] The shell cover 6 is fixed to the lower end of the shell body 1.1, the integrated circuit board 5 is fixed in the shell body 1.1, the coil skeleton 3 is fixed in the shell body 1.1 above the integrated circuit board 5, the coil 4 is wound on the coil skeleton 3, and both ends of the coil 4 are electrically connected to the integrated circuit board 5. The power-taking belt body 2.1 of the power-taking belt 2 passes through the power-taking belt through hole on the left side plate of the shell body, the power-taking belt through hole on the coil skeleton 3 and the power-taking belt through hole on the right side plate of the shell body from left to right, and part of the power-taking belt body 2.1 is located in the left power-taking belt slot 1.22 and the right power-taking belt slot 1.32, and the power-taking belt limit head 2.2 is located below the left power-taking belt slot 1.22.

[0032] When the wireless temperature sensor for pole-mounted circuit breakers is not in use, part of the power belt body 2.1 is located in the left power belt slot 1.22 and the right power belt slot 1.32, which can prevent the operator's fingers from being cut when taking or placing.

[0033] The installation sequence of the wireless temperature sensor for the pole-mounted circuit breaker is as follows:

[0034] First, the coil 4 is wound on the coil frame 3, placed in the shell body 1.1 and connected to the integrated circuit board 5, and then sealed with the shell cover 6. Finally, the power belt 2 is passed through the device shell body 1.1 and the coil frame 3 to complete the installation of the wireless temperature sensor for the pole-mounted circuit breaker.

[0035] A mounting and fixing device for a wireless temperature sensor for a pole-mounted circuit breaker, such as Fig.11 and Fig.12 As shown, it includes a primary circuit terminal 8 of an outdoor circuit breaker 7 and a high-voltage cable connection plate 9, and the primary circuit terminal 8 and the high-voltage cable connection plate 9 are fixed together;

[0036] The power belt body 2.1 is wound on the high-voltage cable connection plate 9 close to the primary circuit terminal 8, and the power belt body 2.1 is in electrical contact with the high-voltage cable connection plate 9. The locking toothed belt 1.3 is inserted into the locking long hole 1.21 to tighten the power belt body 2.1.

[0037] When the outdoor circuit breaker 7 is operating normally, there is always an alternating current passing through the primary circuit terminal 8 and the high-voltage cable connection plate 9, so the power extraction plate 2 also carries alternating current, and the power extraction plate 2 carrying alternating current passes through the coil 4, and the coil 4 will form a small amount of induction electricity to power the integrated circuit board 5. The temperature sensor on the integrated circuit board 5 intercepts the analog signal of the temperature on the high-voltage cable connection plate 9 near the primary circuit terminal 8, and the signal converter receives the analog signal and converts it into a digital signal. The digital signal is transmitted through the digital signal transmitter, and the digital signal receiver receives the digital signal and displays it on the display terminal. At this time, the relevant personnel can observe the temperature data on the high-voltage cable connection plate 9 near the primary circuit terminal 8 in real time, and thus the temperature data on the outdoor circuit breaker 7 can be judged, because the temperature rise of the primary circuit terminal 8 accounts for 70% to 95% of the total internal temperature rise of the outdoor circuit breaker 7. The temperature rise of the outdoor circuit breaker 7 can be known by measuring the temperature rise on the high-voltage cable connection plate 9 near the primary circuit terminal 8.

[0038] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to examples, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A wireless temperature sensor for a pole-mounted circuit breaker, characterized in that: It comprises a shell (1), a power-collecting belt (2), a coil frame (3), a coil (4), an integrated circuit board (5) and a shell cover (6); The shell (1) comprises a shell body (1.1), a locking piece (1.2) and a locking toothed belt (1.3); the shell body (1.1) is composed of a left side plate of the shell body, a right side plate of the shell body, a front side plate of the shell body, a rear side plate of the shell body and a top plate of the shell body fixedly integrated; a locking piece (1.2) is fixed on the left side surface of the left side plate of the shell body, a locking toothed belt (1.3) is fixed on the right side surface of the right side plate of the shell body, and a locking long hole (1.2) with a length direction in the inward and outward direction is opened on the locking piece (1.2). 1), the locking long hole (1.21) cooperates with the locking toothed belt (1.3), a left power belt groove (1.22) with a length direction in the left-right direction is opened on the bottom surface of the locking plate (1.2), a right power belt groove (1.32) with a length direction in the left-right direction is opened on the bottom surface of the locking toothed belt (1.3), the length direction of the right power belt groove (1.32) and the length direction of the left power belt groove (1.22) are in the same straight line, and power belt passing holes are opened on the left side plate of the shell body and the right side plate of the shell body; The power collection belt (2) is T-shaped, comprising a power collection belt body (2.1) and a power collection belt limit head (2.2) fixed to the left end of the power collection belt body (2.1), the width of the power collection belt body (2.1) is smaller than the width of the power collection belt limit head (2.2), and the width of the power collection belt body (2.1) is smaller than the width of the right power collection belt slot (1.32) and the left power collection belt slot (1.22), and the width of the power collection belt limit head (2.2) is larger than the width of the left power collection belt slot (1.22); The coil frame (3) is provided with a hole through which the power-taking belt passes; The integrated circuit board (5) comprises a temperature sensor, a signal converter and a digital signal transmitter, the output end of the temperature sensor is connected to the input end of the signal converter, and the output end of the signal converter is connected to the input end of the digital signal transmitter; The shell cover (6) is fixed to the lower end of the shell body (1.1), the integrated circuit board (5) is fixed in the shell body (1.1), the coil frame (3) is fixed in the shell body (1.1) above the integrated circuit board (5), the coil (4) is wound on the coil frame (3), and both ends of the coil (4) are electrically connected to the integrated circuit board (5). The power belt body (2.1) of the power belt (2) passes through the power belt through hole on the left side plate of the shell body, the power belt through hole on the coil frame (3), and the power belt through hole on the right side plate of the shell body from left to right in sequence, and part of the power belt body (2.1) is located in the left power belt slot (1.22) and the right power belt slot (1.32), and the power belt limit head (2.2) is located below the left power belt slot (1.22).

2. The installation and fixing device for the wireless temperature sensor for the pole-mounted circuit breaker according to claim 1 is characterized by: It comprises a primary circuit connection terminal (8) of an outdoor circuit breaker (7) and a high-voltage cable connection plate (9), wherein the primary circuit connection terminal (8) and the high-voltage cable connection plate (9) are fixed together; The power taking belt body (2.1) is wound on a high-voltage cable connection plate (9) close to the primary circuit terminal (8), the power taking belt body (2.1) is in electrical contact with the high-voltage cable connection plate (9), and the locking toothed belt (1.3) is inserted into the locking long hole (1.21) to tighten the power taking belt body (2.1).

Images