CN215910011U

CN215910011U - Temperature monitoring device for high-voltage isolating switch

Info

Publication number: CN215910011U
Application number: CN202121991164.7U
Authority: CN
Inventors: 陈云林
Original assignee: Dadeli Electric Power Equipment Co ltd
Current assignee: Dadeli Electric Power Equipment Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-25
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of circuit protection devices and discloses a temperature monitoring device for a high-voltage isolating switch. This temperature monitoring device for high pressure isolator, through contacting between pressure disk and the intensification point, its in close contact with has been guaranteed to spacing spring, the temperature of intensification point can be conducted to pressure disk and activity post and conduct to copper pipe department through spacing spring, can heat the inside ethanol of gas tank this moment, can produce gas promotion impeller when reaching the vaporization temperature of ethanol and rotate and then promote the transmission shaft and rotate, and drive the positive pointer rotation of gas tank, realize audio-visual show, thereby realized showing comparatively audio-visual advantage.

Description

Temperature monitoring device for high-voltage isolating switch

Technical Field

The utility model relates to the technical field of circuit protection devices, in particular to a temperature monitoring device for a high-voltage isolating switch.

Background

The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. For switching on, switching off or switching the line in the case of a voltage-loaded train of high-voltage equipment. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, inputting load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs, namely the high-voltage electrical appliance and the device do not have the arc extinguishing function; the voltage class is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a three column type according to the number of the insulating support columns, and each voltage class is provided with optional equipment.

The high-voltage isolating switch is an important component in an electrical system, the temperature of the high-voltage isolating switch can reflect the operation condition of the whole electrical system, if the high-voltage isolating switch is short-circuited or the temperature of the high-voltage isolating switch is too high, the normal use of the electrical system can be influenced, the normal operation of the high-voltage isolating switch is ensured, the temperature of the high-voltage isolating switch can be generally monitored by using a temperature sensor, although the internal temperature of the temperature sensor can be accurately monitored, the current temperature cannot be intuitively reflected whether to exceed an early warning value, meanwhile, the sensor failure sometimes occurs, when the temperature of the sensor is monitored to be too high, the temperature of the sensor is also higher, the effective cooling cannot be achieved, and the initial temperature is recovered to continue monitoring.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the temperature monitoring device for the high-voltage isolating switch, which has the advantages of visual display and effective heat dissipation of the temperature monitoring device and solves the problems in the background technology.

The utility model provides the following technical scheme: the utility model provides a temperature monitoring device for high voltage isolator, includes the mount pad, the positive fixed mounting of mount pad has the gas tank, the inside movable mounting of gas tank has the transmission shaft, the back fixed mounting of transmission shaft has the copper pipe, the lateral surface fixed mounting of transmission shaft has the impeller that is located the gas tank inside, the front and the fixed mounting that run through the gas tank of transmission shaft have and are located the positive pointer of gas tank.

Preferably, a through hole is formed in the middle of the front face of the mounting seat, a limiting spring is arranged inside the through hole, and one end of the limiting spring is fixedly connected with the back face of the copper pipe.

Preferably, the other end fixed mounting of spacing spring has movable post, the activity cup joints between activity post and the through-hole, the back fixed mounting of activity post has the pressure disk.

Preferably, the middle part of the top end of the gas box is fixedly communicated with a feeding port, and ethanol is placed in the gas box.

Preferably, the front face of the mounting seat is movably provided with a fan, the middle of the fan is fixedly connected with the outer side face of the copper pipe, and the front face of the mounting seat is fixedly provided with a heat dissipation net located on the outer side face of the fan.

Preferably, the equal fixed mounting in the left and right sides of mount pad has the draw runner, the lateral surface of draw runner is equipped with the slide rail, the mount pad passes through movable joint between draw runner and the slide rail, the side fixed mounting of slide rail has the fixing base, the fixed orifices has been seted up to the front equidistance of fixing base.

Compared with the prior art, the utility model has the following beneficial effects:

1. the temperature monitoring device for the high-voltage isolating switch is characterized in that a copper pipe is movably arranged in a mounting seat, a limiting spring is arranged behind the copper pipe, a pressure plate is fixed at the bottom end of the limiting spring, a gas box is fixed on the outer side surface of the copper pipe, a transmission shaft is fixed at the top end of the copper pipe, when the temperature monitoring device is in actual use, the copper pipe can be fixed between a sliding strip and a sliding rail at two ends of the mounting seat, the sliding rail can be fixed on the front surface of the switch by using a fixing hole in the front surface of a fixing seat, the pressure plate can be in contact with a temperature rising point at the moment, the limiting spring ensures that the copper pipe is in close contact with the pressure plate, the temperature of the temperature rising point can be transmitted to the pressure plate and a movable column and transmitted to the copper pipe through the limiting spring, the ethanol in the gas box can be heated at the moment, when the vaporization temperature of the ethanol is reached, gas can be generated to push an impeller to rotate so as to push the transmission shaft to rotate, and the pointer on the front of the gas box is driven to rotate, so that visual display is realized, and the advantage of more visual display is realized.

2. This temperature monitoring device for high voltage isolator installs the radiator-grid through the front at the mount pad to install the fan at the rear of radiator-grid, the rotation of transmission shaft can drive the copper pipe rotation of rear also can drive the fan rotation when the high temperature, can dispel the heat to the intensification point this moment and avoid overheated, can start external power source to drive the rotation of fan and carry out effectual heat dissipation when the high temperature simultaneously, thereby realize carrying out effective radiating advantage to temperature monitoring device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the mounting bracket and mounting bracket of the present invention;

FIG. 3 is a schematic view of a backside structure of the present invention;

FIG. 4 is a cross-sectional view of the internal structure of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 3.

In the figure: 1. a mounting seat; 2. a slide bar; 3. a slide rail; 4. a fixed seat; 5. a fixing hole; 6. a through hole; 7. a platen; 8. a movable post; 9. a limiting spring; 10. a copper pipe; 11. a fan; 12. a heat-dissipating web; 13. a gas box; 14. a drive shaft; 15. an impeller; 16. a pointer; 17. and a feeding port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 3 and 4, a temperature monitoring device for a high-voltage isolator comprises a mounting base 1, a gas tank 13 is fixedly installed on the front side of the mounting base 1, a transmission shaft 14 is movably installed inside the gas tank 13, a copper pipe 10 is fixedly installed on the back side of the transmission shaft 14, an impeller 15 positioned inside the gas tank 13 is fixedly installed on the outer side surface of the transmission shaft 14, a pointer 16 positioned on the front side of the gas tank 13 is fixedly installed on the front side of the transmission shaft 14, a through hole 6 is formed in the middle of the front side of the mounting base 1, a limiting spring 9 is arranged inside the through hole 6, one end of the limiting spring 9 is fixedly connected with the back side of the copper pipe 10, a movable column 8 is fixedly installed at the other end of the limiting spring 9, the movable column 8 is movably sleeved with the through hole 6, a pressure plate 7 is fixedly installed on the back side of the movable column 8, and a feeding port 17 is fixedly communicated with the middle of the top end of the gas tank 13, ethanol has been placed to the inside of gas tank 13, accessible pan feeding mouth 17 adds ethanol, it can prevent that ethanol from volatilizing to install the top cap on pan feeding mouth 17 top simultaneously, can contact between pressure disk 7 and the intensification point, its in close contact with has been guaranteed to spacing spring 9, the temperature of intensification point can be conducted to pressure disk 7 and activity post 8 and conduct to copper pipe 10 department through spacing spring 9, can heat the inside ethanol of gas tank 13 this moment, can produce gaseous promotion impeller 15 and rotate and then promote transmission shaft 14 and rotate when reaching the vaporization temperature of ethanol, and drive the positive pointer 16 rotation of gas tank 13, realize audio-visual show.

As shown in fig. 1, 2 and 4, a fan 11 is movably mounted on the front surface of the mounting base 1, the middle of the fan 11 is fixedly connected with the outer side surface of the copper pipe 10, a heat dissipation net 12 located on the outer side surface of the fan 11 is fixedly mounted on the front surface of the mounting base 1, when the temperature is too high, the rotation of the transmission shaft 14 drives the copper pipe 10 at the rear to rotate and also drives the fan 11 to rotate, at this time, the temperature rise point can be cooled to avoid overheating, and simultaneously, when the temperature is too high, an external power supply can be started to drive the fan 11 to rotate to perform effective heat dissipation.

As shown in fig. 2 and 3, the equal fixed mounting in the left and right sides of mount pad 1 has draw runner 2, the lateral surface of draw runner 2 is equipped with slide rail 3, mount pad 1 passes through activity joint between draw runner 2 and the slide rail 3, the side fixed mounting of slide rail 3 has fixing base 4, fixing hole 5 has been seted up to fixing base 4's front equidistance, fix between slide 2 and the slide rail 3 at usable mount pad 1 both ends before the use, the positive fixing hole 5 of usable fixing base 4 fixes slide rail 3 in the front of switch simultaneously.

The working principle is as follows: when the temperature monitoring device for the high-voltage isolating switch is used, the slide bars 2 at two ends of the mounting seat 1 are fixed with the slide rails 3, meanwhile, the slide rails 3 can be fixed on the front surface of the switch by utilizing the fixing holes 5 at the front surface of the fixing seat 4, the pressure plate 7 can be contacted with a temperature rising point at the moment, the limiting springs 9 ensure the close contact, the temperature of the temperature rising point can be transmitted to the pressure plate 7 and the movable column 8 and is transmitted to the copper pipe 10 through the limiting springs 9, the ethanol in the gas box 13 can be heated at the moment, when the vaporization temperature of the ethanol is reached, gas can be generated to push the impeller 15 to rotate and further push the transmission shaft 14 to rotate, and the pointer 16 at the front surface of the gas box 13 is driven to rotate, visual display is realized, when the temperature is overhigh, the rotation of the transmission shaft 14 can drive the copper pipe 10 at the rear part to rotate and also drive the fan 11 to rotate, at the moment, the temperature rising point can be radiated to avoid overheating, meanwhile, when the temperature is too high, an external power supply can be started to drive the fan 11 to rotate so as to perform effective heat dissipation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a temperature monitoring device for high voltage isolator, includes mount pad (1), its characterized in that: the utility model discloses a gas tank, including mount pad (1), the front fixed mounting of mount pad (1) has gas tank (13), the inside movable mounting of gas tank (13) has transmission shaft (14), the back fixed mounting of transmission shaft (14) has copper pipe (10), the lateral surface fixed mounting of transmission shaft (14) has impeller (15) that are located gas tank (13) inside, the front of transmission shaft (14) runs through the front and the fixed mounting of gas tank (13) has and is located positive pointer (16) of gas tank (13).

2. The temperature monitoring device for the high-voltage isolating switch according to claim 1, wherein: the copper pipe mounting structure is characterized in that a through hole (6) is formed in the middle of the front face of the mounting seat (1), a limiting spring (9) is arranged inside the through hole (6), and one end of the limiting spring (9) is fixedly connected with the back face of the copper pipe (10).

3. The temperature monitoring device for the high-voltage isolating switch according to claim 2, wherein: the other end fixed mounting of spacing spring (9) has movable post (8), the activity cup joints between activity post (8) and through-hole (6), the back fixed mounting of activity post (8) has pressure disk (7).

4. The temperature monitoring device for the high-voltage isolating switch according to claim 1, wherein: the middle part of the top end of the gas box (13) is fixedly communicated with a feeding port (17), and ethanol is placed in the gas box (13).

5. The temperature monitoring device for the high-voltage isolating switch according to claim 1, wherein: the fan (11) is movably installed on the front face of the installation seat (1), the middle of the fan (11) is fixedly connected with the outer side face of the copper pipe (10), and the heat dissipation net (12) located on the outer side face of the fan (11) is fixedly installed on the front face of the installation seat (1).

6. The temperature monitoring device for the high-voltage isolating switch according to claim 1, wherein: the equal fixed mounting in the left and right sides of mount pad (1) has draw runner (2), the lateral surface of draw runner (2) is equipped with slide rail (3), mount pad (1) is through activity joint between draw runner (2) and slide rail (3), the side fixed mounting of slide rail (3) has fixing base (4), fixed orifices (5) have been seted up to the front equidistance of fixing base (4).