Temperature monitoring device for high-voltage power equipment

Abstract

The utility model belongs to the technical field of high-voltage equipment, and discloses a temperature monitoring device for high-voltage power equipment, which comprises an equipment box, a moving assembly is arranged in an inner cavity of the equipment box, and the moving assembly is in transmission connection with a mounting assembly; the moving assembly comprises a forward and reverse rotation motor and a screw rod, an output shaft of the forward and reverse rotation motor is in transmission connection with a worm, one end of the screw rod is fixedly connected with a worm gear meshed with the worm, and the forward and reverse rotation motor is installed on one side of an inner cavity of the equipment box; the mounting assembly comprises a moving seat which is in threaded connection with the screw rod; through cooperation of a partition plate, a moving assembly, a mounting assembly, a temperature sensor and a signal sensor, the mounting assembly is conveniently driven to move in the equipment box through the moving assembly, so that the temperature sensor mounted on the mounting assembly monitors the temperature of power devices in different areas isolated by the partition plate; therefore, the accuracy of temperature monitoring is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage equipment, specifically a temperature monitoring device for high-voltage electric power equipment. Background Art

[0002] In the power system, temperature is an important parameter that reflects the operating status of high-voltage electrical equipment. Various methods have been developed in China for temperature monitoring, including thermal resistance and thermocouple temperature measurement, infrared temperature measurement, optical fiber temperature measurement, and wireless temperature measurement. At present, the main direction of temperature monitoring is online and remote monitoring. The rational use of optical fiber and wireless network technology to build an online temperature monitoring system for high-voltage electrical equipment is an important trend. It is conducive to achieving large-scale, low-energy, and high-precision temperature measurement, providing protection for the safe and reliable operation of the power system.

[0003] In the prior art, the Chinese utility model with publication number: CN214173593U discloses a temperature monitoring device for high-voltage electric power equipment, including a casing, an ear seat, an electric pneumatic rod, a base and a temperature sensing chamber. The utility model has the following beneficial effects: the utility model has a compact structure and practical functions. The temperature monitoring device for high-voltage electric power equipment is equipped with a temperature sensing chamber, which senses the temperature of the measuring position through the temperature sensing chamber, and then senses the temperature through the temperature sensing probe on the surface of the heat conduction chamber, and transmits the temperature to the temperature sensor through the heat conduction rod inside the heat preservation chamber. The heat preservation chamber can avoid temperature loss and improve the accuracy of temperature measurement. The casing, the temperature sensing chamber, the heat conduction chamber and the heat preservation chamber are all coated with a composite coating material, and the composite coating material has excellent chemical stability, friction reduction and wear resistance, self-lubrication, heat resistance, fatigue resistance, creep resistance, noise reduction, electrical insulation and other properties, and is highly practical.

[0004] In the prior art, when performing temperature detection inside power equipment, a temperature sensor is usually installed at a fixed position inside the equipment to monitor the temperature inside the equipment. This monitoring method has a limited temperature monitoring area. The heat generated by different electronic components and the areas where they are located are different, and the temperature changes are different, which leads to the temperature sensor detecting temperature data is not accurate enough. Therefore, we need to propose a temperature monitoring device for high-voltage power equipment. Utility Model Content

[0005] The purpose of the utility model is to provide a temperature monitoring device for high-voltage electric power equipment, which facilitates the adjustment of the position of the temperature sensor through a moving mechanism, thereby facilitating the monitoring of the temperature at different positions inside the equipment and ensuring the accuracy of temperature monitoring, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a temperature monitoring device for high-voltage electric power equipment, comprising an equipment box, wherein a moving component is arranged in the inner cavity of the equipment box, and the moving component is transmission-connected with a mounting component;

[0007] The moving assembly includes a forward and reverse motor and a screw, the output shaft of the forward and reverse motor is drivingly connected to a worm, one end of the screw is fixedly connected to a worm wheel meshing with the worm, and the forward and reverse motor is installed on one side of the inner cavity of the equipment box;

[0008] The mounting assembly comprises a movable seat threadably connected to the screw rod, the upper surface of the movable seat is fixedly connected to a mounting plate, and the upper surface of the mounting plate is provided with a temperature sensor and a signal sensor;

[0009] The inner cavity of the equipment box is equipped with multiple groups of electric devices, and the inner cavity of the equipment box is provided with multiple groups of partitions for separating the electric devices, and one end of one side of each group of partitions is provided with a rectangular hole for the moving seat to pass through.

[0010] Preferably, a guide rod is slidably inserted into one side of the movable seat, and two ends of the guide rod are respectively fixedly connected to two sides of the inner cavity of the equipment box, and the guide rod is arranged in parallel with the screw rod.

[0011] Preferably, the forward and reverse motor is installed on one side of the inner cavity of the equipment box, and a bearing seat for rotationally connecting one end of the worm is installed on one side of the inner cavity of the equipment box.

[0012] Preferably, a connecting screw is fixedly connected to the upper surface of the mounting plate, a protective cover is threadedly connected to the outer side of the connecting screw, and a plurality of through holes are formed on the outer side of the protective cover.

[0013] Preferably, an air inlet is opened on one side of the equipment box, and a dustproof net is arranged inside the air inlet, a ventilation component is arranged on the side of the equipment box inner cavity adjacent to the forward and reverse motor, and an exhaust fan connected to the equipment box is arranged on the other side of the equipment box.

[0014] Preferably, ventilation holes for communicating with ventilation components are formed at one end of one side of the plurality of groups of partitions away from the rectangular hole, and connecting holes are formed at the lower ends of one side of the plurality of groups of partitions.

[0015] Preferably, the ventilation component includes multiple groups of air guide channels, and the multiple groups of air guide channels are respectively arranged between two adjacent groups of partitions and between the partitions and the two sides of the equipment box, each group of the air guide channels has multiple groups of air guide holes on one side, and each group of the air guide channels has multiple groups of heat absorption plates fixedly connected to one side.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model mainly achieves the coordination among a partition, a moving component, a mounting component, a temperature sensor and a signal sensor. The moving component facilitates the movement of the mounting component in the equipment box, so that the temperature sensor installed on the mounting component can monitor the temperature of the electrical devices in different areas isolated by the partition, thereby improving the accuracy of temperature monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the ventilation assembly and partition structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the mobile component and the installation component of the utility model.

[0021] In the figure: 1. Equipment box; 2. Air inlet; 3. Dust screen; 4. Ventilation assembly; 41. Air guide channel; 42. Heat absorber; 43. Air guide hole; 5. Exhaust fan; 6. Partition; 61. Connection hole; 62. Ventilation hole; 63. Rectangular hole; 7. Power device; 8. Moving assembly; 81. Forward and reverse motor; 82. Worm; 83. Bearing seat; 84. Screw; 85. Worm wheel; 86. Guide rod; 9. Mounting assembly; 91. Moving seat; 92. Mounting plate; 93. Connecting screw tube; 94. Protective cover; 95. Through hole; 10. Temperature sensor; 11. Signal sensor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 The utility model provides a temperature monitoring device for high-voltage electric power equipment, including an equipment box 1, an inner cavity of the equipment box 1 is provided with a moving component 8, and the moving component 8 is transmission-connected with an installation component 9.

[0024] The moving component 8 includes a forward and reverse motor 81 and a screw 84. The output shaft of the forward and reverse motor 81 is transmission-connected to a worm 82. One end of the screw 84 is fixedly connected to a worm wheel 85 meshing with the worm 82. The forward and reverse motor 81 is installed on one side of the inner cavity of the equipment box 1.

[0025] The mounting assembly 9 includes a movable seat 91 threadedly connected to the screw rod 84 , a mounting plate 92 is fixedly connected to the upper surface of the movable seat 91 , and a temperature sensor 10 and a signal sensor 11 are arranged on the upper surface of the mounting plate 92 .

[0026] The inner cavity of the equipment box 1 is provided with multiple groups of power devices 7 , and the inner cavity of the equipment box 1 is provided with multiple groups of partitions 6 for separating the power devices 7 , and one end of one side of each group of partitions 6 is provided with a rectangular hole 63 for the moving seat 91 to pass through.

[0027] A guide rod 86 is slidably inserted on one side of the movable seat 91, and both ends of the guide rod 86 are fixedly connected to the two sides of the inner cavity of the equipment box 1 respectively. The guide rod 86 is arranged in parallel with the screw 84. The guide rod 86 improves the stability of the movable seat 91 during movement, thereby ensuring that the temperature sensor 10 can stably move and measure the temperature in the equipment box 1, thereby improving the accuracy of remote monitoring of the temperature in the equipment box 1.

[0028] The forward and reverse motor 81 is installed on one side of the inner cavity of the equipment box 1, and a bearing seat 83 for rotationally connecting one end of the worm 82 is installed on one side of the inner cavity of the equipment box 1. The bearing seat 83 improves the stability of the worm 82 during rotation and ensures the tightness of the engagement between the worm 82 and the worm wheel 85, thereby improving the efficiency of the transmission screw 84.

[0029] A connecting screw 93 is fixedly connected to the upper surface of the mounting plate 92, and a protective cover 94 is threadedly connected to the outer side of the connecting screw 93. A plurality of through holes 95 are provided on the outer side of the protective cover 94. The through holes 95 on the protective cover 94 facilitate the temperature sensor 10 to detect the temperature of the area where the power equipment is located, and then the signal is transmitted through the signal sensor 11, so as to remotely monitor the temperature in the equipment box 1.

[0030] An air inlet 2 is provided on one side of the equipment box 1, and a dustproof net 3 is provided inside the air inlet 2. A ventilation component 4 is provided on the side of the inner cavity of the equipment box 1 adjacent to the forward and reverse motor 81. An exhaust fan 5 connected to the equipment box 1 is provided on the other side of the equipment box 1. The heat generated by the electrical device 7 in the equipment box 1 is discharged through the exhaust fan 5, and then the outside air is introduced through the air inlet 2, thereby improving the heat dissipation efficiency of the electrical equipment.

[0031] A ventilation hole 62 for connecting the ventilation assembly 4 is opened at one end of one side of the multiple groups of partitions 6 away from the rectangular hole 63, and a connecting hole 61 is opened at the lower end of one side of the multiple groups of partitions 6. The ventilation assembly 4 is connected through the ventilation hole 62, which facilitates the connection of the operating areas of the power devices 7 separated by the partitions 6, thereby facilitating the heat dissipation of each power device 7.

[0032] The ventilation component 4 includes multiple groups of air guide channels 41, and the multiple groups of air guide channels 41 are respectively arranged between two adjacent groups of partitions 6 and between the partitions 6 and the two sides of the equipment box 1. One side of each group of air guide channels 41 is provided with multiple groups of air guide holes 43, and one side of each group of air guide channels 41 is fixedly connected with multiple groups of heat absorbing plates 42. The multiple groups of heat absorbing plates 42 absorb the heat generated by the power device 7 and then introduce the outside air into the equipment box 1 under the action of the exhaust fan 5, diffuse the air through the connecting hole 61, and then enter the air guide channel 41 through the air guide hole 43, so as to facilitate the heat on the heat absorbing plate 42 to be discharged, thereby improving the heat dissipation efficiency in the equipment box 1. The cover on the equipment box 1 is not shown in the figure.

[0033] When in use, the forward and reverse motor 81 drives the worm 82 to engage with the worm wheel 85 on the screw 84, thereby causing the worm 82 to transmit the worm wheel 85, so that the screw 84 drives the movable seat 91 on the guide rod 86 to move, and the movable seat 91 moves horizontally along the guide rod 86 in the equipment box 1, so that the temperature sensor 10 on the mounting plate 92 moves in the inner cavity of the equipment box 1, so that the temperature sensor 10 can monitor the temperature of the power equipment in different spaces, and then the monitoring signal of the temperature sensor 10 can be remotely transmitted to the signal receiving device through the signal sensor 11, so as to remotely monitor the temperature of the power equipment inside the equipment box 1, improve the accuracy of spatial temperature monitoring of the power equipment in different areas of the equipment box 1, and improve the safety of equipment operation.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temperature monitoring device for high-voltage electric power equipment, comprising an equipment box (1), characterized in that: The inner cavity of the equipment box (1) is provided with a moving component (8), and the moving component (8) is transmission-connected with a mounting component (9); The moving assembly (8) comprises a forward and reverse motor (81) and a screw (84); the output shaft of the forward and reverse motor (81) is drivingly connected to a worm (82); one end of the screw (84) is fixedly connected to a worm wheel (85) meshing with the worm (82); and the forward and reverse motor (81) is installed on one side of the inner cavity of the equipment box (1); The mounting assembly (9) comprises a movable seat (91) threadedly connected to the screw rod (84); a mounting plate (92) is fixedly connected to the upper surface of the movable seat (91); and a temperature sensor (10) and a signal sensor (11) are arranged on the upper surface of the mounting plate (92); The inner cavity of the equipment box (1) is equipped with a plurality of groups of electric devices (7), and the inner cavity of the equipment box (1) is provided with a plurality of groups of partitions (6) for separating the electric devices (7), and one end of one side of each group of partitions (6) is provided with a rectangular hole (63) for the movable seat (91) to pass through.

2. A temperature monitoring device for high-voltage electric power equipment according to claim 1, characterized in that: A guide rod (86) is slidably inserted into one side of the movable seat (91), and two ends of the guide rod (86) are respectively fixedly connected to two sides of the inner cavity of the equipment box (1), and the guide rod (86) is arranged in parallel with the screw rod (84).

3. A temperature monitoring device for high-voltage electric power equipment according to claim 2, characterized in that: The forward and reverse motor (81) is installed on one side of the inner cavity of the equipment box (1), and a bearing seat (83) for rotationally connecting one end of the worm (82) is installed on one side of the inner cavity of the equipment box (1).

4. A temperature monitoring device for high-voltage electric power equipment according to claim 3, characterized in that: A connecting screw tube (93) is fixedly connected to the upper surface of the mounting plate (92), a protective cover (94) is threadedly connected to the outer side of the connecting screw tube (93), and a plurality of through holes (95) are formed on the outer side of the protective cover (94).

5. A temperature monitoring device for high-voltage electric power equipment according to claim 4, characterized in that: An air inlet (2) is provided on one side of the equipment box (1), and a dustproof net (3) is provided inside the air inlet (2); a ventilation component (4) is provided on one side of the inner cavity of the equipment box (1) adjacent to the forward and reverse motor (81); and an exhaust fan (5) connected to the equipment box (1) is provided on the other side of the equipment box (1).

6. A temperature monitoring device for high-voltage electric power equipment according to claim 5, characterized in that: A ventilation hole (62) for connecting with the ventilation assembly (4) is provided at one end of one side of the plurality of groups of partitions (6) away from the rectangular hole (63), and a connecting hole (61) is provided at the lower end of one side of the plurality of groups of partitions (6).

7. A temperature monitoring device for high-voltage electric power equipment according to claim 6, characterized in that: The ventilation assembly (4) comprises a plurality of groups of air guide channels (41), and the plurality of groups of air guide channels (41) are respectively arranged between two adjacent groups of partitions (6) and between the partitions (6) and both sides of the equipment box (1), and a plurality of groups of air guide holes (43) are provided on one side of each group of the air guide channels (41), and a plurality of groups of heat absorbing sheets (42) are fixedly connected to one side of each group of the air guide channels (41).

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