CN209858416U

CN209858416U - Portable infrared double-wave SF6 leakage monitoring device

Info

Publication number: CN209858416U
Application number: CN201920610692.XU
Authority: CN
Inventors: 郭松; 施宏
Original assignee: Jiangsu Yi Power Technology Co Ltd
Current assignee: Jiangsu Yi Power Technology Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2019-12-27
Anticipated expiration: 2029-04-30

Abstract

The utility model provides a portable infrared double wave SF6 leakage monitoring device, which comprises a case, wherein the case comprises a case front plate, a case rear plate, a case top plate, a case bottom plate and two case side plates which are correspondingly connected, a telescopic rod is arranged at the bottom inside the case, the telescopic rod is a hollow rod body, a monitoring air cavity, an electric box and a storage battery are arranged in the case, the monitoring air cavity comprises an air inlet end and an air outlet end, an air pump is hermetically connected between the telescopic rod and the air inlet end, an air pump connecting pipe is arranged between the air pump and the monitoring air cavity, the air pump connecting pipe is provided with a bifurcated pipe, the bifurcated pipe is provided with a blocking cover, the case front plate is provided with a temperature sensor and a humidity sensor, the top of the case top plate is sequentially provided with an audible and visual alarm, a display screen and a handle, the top of the handle is provided with a telescopic rod, the utility model discloses can convenient to carry, it is convenient to use, conveniently stretches into narrow and small space.

Description

Portable infrared double-wave SF6 leakage monitoring device

Technical Field

The utility model relates to a gaseous monitoring field, concretely relates to monitoring devices is revealed to infrared two ripples SF6 of portable.

Background

Along with the development of science and technology, the power industry is constantly developed and developed, the operation requirement of the power industry is higher and higher, particularly in the aspect of safety, particularly, power equipment or a transformer substation is insulated by adopting SF6, but SF6 leakage is one of potential safety hazards caused in operation, in order to avoid the situation, SF6 leakage needs to be monitored, the current commonly used leak detectors have the electrochemical ultraviolet ionization method, high-voltage breakdown and the like, but due to different environmental influences, the leak detectors are greatly influenced by humidity and temperature, SF6 leakage cannot be accurately measured, so that the potential hazards cannot be timely avoided, most of the existing SF6 leak detectors can work only by an external power supply except for leak detectors, and the general infrared double-wave SF6 leak detectors are large in size, poor in mobility and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a monitoring devices is revealed to infrared two ripples SF6 of portable can convenient to carry, and it is convenient to use, conveniently stretches into narrow and small space.

The utility model provides a following technical scheme:

a portable infrared double-wave SF6 leakage monitoring device comprises a case, wherein the case comprises a case front plate, a case rear plate, a case top plate, a case bottom plate and two case side plates which are correspondingly connected, a telescopic rod is arranged at the bottom inside the case and is a hollow rod body, a monitoring air cavity, an electric box and a storage battery are arranged in the case, the monitoring air cavity comprises an air inlet end and an air outlet end, a first through hole is formed in the bottom of the case front plate, one end of the telescopic rod penetrates through the first through hole and is in sealing connection with the first through hole, an air pump is hermetically connected between the other end of the telescopic rod and the air inlet end, a second through hole and a third through hole are formed in the case rear plate, an exhaust pipeline is connected between the air outlet end and the second through hole, an air pump connecting pipe is arranged between the air pump and the monitoring air cavity, and the air pump connecting pipe is provided with a, the bifurcated pipe penetrates through the inside of the third through hole and is connected with the third through hole in a sealing mode, the bifurcated pipe is provided with a blocking cover, the blocking cover is arranged on the outer side of the box back plate and is connected with the third through hole in a sealing mode, and filter screens are arranged in the telescopic rod and the third through hole;

the case front bezel is equipped with temperature sensor and humidity transducer, the top of roof board is followed the case front bezel arrives the case back plate direction is equipped with audible-visual annunciator, display screen and handle in proper order, the handle top is equipped with telescopic link switch, monitoring switch and the reverse air transmission switch of air pump, the telescopic link switch with the telescopic link is connected, monitoring switch respectively with the electric box audible-visual annunciator the display screen the air pump the monitoring air cavity temperature sensor and humidity transducer connects, the reverse air transmission switch of air pump with the air pump is connected, the reverse air transmission switch of air pump the telescopic link switch with monitoring switch all with the battery is connected.

Preferably, an infrared light source generator, an infrared detector and a double-reflector air pipe which are mutually matched and connected are arranged in the monitoring air cavity, and the infrared light source generator and the infrared detector are both connected with the monitoring switch.

Preferably, the telescopic link includes outer loop bar, a plurality of middle level loop bars and the nexine loop bar that outside-in matches the cover mutually and establish, and is adjacent outer loop bar with between the middle level loop bar, adjacent two between the middle level loop bar and adjacent two the middle level loop bar with between the nexine loop bar all be equipped with the sealing rubber circle and pass through sealing rubber circle sealing connection, the both ends of outer loop bar respectively with the air pump with first through-hole sealing connection, the inside of nexine loop bar is equipped with the filter screen.

Preferably, a data processing unit is arranged in the electrical box, and the data processing unit comprises a digital-to-analog converter, a numerical comparator, a data storage and a wireless communication module.

Preferably, the telescopic rod switch is provided with an extension gear, a shortening gear and an on-off gear.

Preferably, the top of the outer side of the front plate of the box is provided with an LED lamp.

Preferably, the bottom of the box bottom plate is provided with a folding bracket.

The utility model has the advantages that: the telescopic rod is a suction pipeline, and due to the telescopic property of the telescopic rod, the telescopic rod can be stretched into a small space where a human body cannot enter, so that fixed-point gas monitoring can be better realized; the air pump can rotate forward and backward, air is input into the monitoring air cavity when the air pump rotates forward, and reverse circulation of air can be realized by combining the bifurcated pipe when the air pump rotates backward, so that a filter screen in the telescopic rod is cleaned; temperature sensor, humidity transducer and display screen ally oneself with uses, can measure and show the temperature and the humidity of current environment, and monitoring air cavity, display screen and audible-visual annunciator ally oneself with uses, can monitor out current SF 6's concentration and show on the display screen, when concentration is too high, can warn by audible-visual annunciator, and whole quick-witted case can be carried to the handle at machine roof portion, and it is convenient to remove, and the switch on the handle is also convenient operation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the extension structure of the telescopic rod of the present invention;

labeled as: 1. a chassis; 2. a telescopic rod; 3. an air pump; 4. the air pump connecting pipe; 5. a bifurcated tube; 6. monitoring the air cavity; 7. an exhaust duct; 8. a handle; 9. a display screen; 10. an audible and visual alarm.

Detailed Description

As shown in fig. 1 and 2, the utility model comprises a case 1, the case 1 comprises a case front plate, a case back plate, a case top plate, a case bottom plate and two case side plates which are correspondingly connected, a telescopic rod 2 is arranged at the bottom inside the case 1, the telescopic rod 2 is a hollow rod body, the telescopic rod 2 is a suction pipeline, and because of the scalability of the telescopic rod 2, the telescopic rod 2 can extend into a small space where a human body can not enter, thereby better realizing the monitoring of fixed-point gas; a monitoring air cavity 6, an electric box and a storage battery are arranged in a case 1, the monitoring air cavity 6 comprises an air inlet end and an air outlet end, a first through hole is arranged at the bottom of a front plate of the case, one end of a telescopic rod 2 is arranged in the first through hole in a penetrating way and is connected with the first through hole in a sealing way, an air pump 3 is connected between the other end of the telescopic rod 2 and the air inlet end in a sealing way, a second through hole and a third through hole are arranged on a back plate of the case, an exhaust pipeline 7 is connected between the air outlet end and the second through hole, an air pump connecting pipe 4 is arranged between the air pump 3 and the monitoring air cavity 6, a bifurcated pipe 5 is arranged on the air pump connecting pipe 4, the bifurcated pipe 5 is arranged in the third through hole in a penetrating way and is connected with the third through hole in a sealing way, a blocking cover is arranged on the bifurcated pipe 5, the blocking cover is arranged on the, when the telescopic rod is reversely rotated, the bifurcated pipe 5 is combined, so that the reverse circulation of air can be realized, and a filter screen in the telescopic rod 2 is cleaned;

the box front plate is provided with a temperature sensor and a humidity sensor, the top of the box top plate is sequentially provided with an audible and visual alarm 10, a display screen 9 and a handle 8 from the box front plate to the box back plate, the top of the handle 8 is provided with a telescopic rod 2 switch, a monitoring switch and an air pump 3 reverse air transmission switch, the telescopic rod 2 switch is connected with the telescopic rod 2, the monitoring switch is connected with an electric box, the audible and visual alarm 10, the display screen 9, the air pump 3, a monitoring air cavity 6, the temperature sensor and the humidity sensor are connected, the air pump 3 reverse air transmission switch is connected with the air pump 3, the air pump 3 reverse air transmission switch, the telescopic rod 2 switch and the monitoring switch are both connected with a storage battery, the temperature sensor, the humidity sensor and the display screen 9 are used together, the temperature and the humidity of the current environment can be measured and displayed, the monitoring air cavity 6, the display screen 9 and the audible and visual alarm 10, when the concentration is too high, the audible and visual alarm 10 can give an alarm.

Specifically, an infrared light source generator, an infrared detector and a double-reflector air pipe which are connected in a matching manner are arranged in the monitoring air cavity 6, the infrared light source generator and the infrared detector are both connected with a monitoring switch and used for monitoring SF6, the telescopic rod 2 comprises an outer layer loop bar, a plurality of middle layer loop bars and an inner layer loop bar which are matched with each other, a sealing rubber ring is arranged between the adjacent outer layer loop bar and the middle layer loop bar, between the adjacent two middle layer loop bars and the inner layer loop bar and is connected in a sealing manner through the sealing rubber ring, two ends of the outer layer loop bar are respectively connected with the air pump 3 and the first through hole in a sealing manner, a filter screen is arranged in the inner layer loop bar, a data processing unit is arranged in the electric box and comprises a digital-to-analog converter, a numerical value comparator, a data memory and a wireless communication module, the wireless communication module, realize on-line monitoring, 2 switches of telescopic link are equipped with the extension gear, shorten gear and break-make electricity gear, conveniently control telescopic link 2, and the top in the case front bezel outside is equipped with the LED lamp for the illumination, and bottom of the case board bottom is equipped with folding support, is used for supporting quick-witted case 1, and the time spent can fold and pack up, reduces occupation space.

The utility model discloses a working process and principle do: lifting the lifting handle 8, lifting the device to a place to be monitored to ensure that the blocking cover is closed, selecting whether to press the switch of the telescopic rod 2 according to actual conditions to adjust the length of the telescopic rod 2, and when the telescopic rod 2 extends, reaching gaps among machines to measure specific parts;

after the length of the telescopic rod 2 is adjusted, a monitoring switch is pressed down, the parts in the electric box, an audible and visual alarm 10, a display screen 9, an air pump 3, the parts in the monitoring air cavity 6, a temperature sensor and a humidity sensor are electrified to work, the temperature sensor and the humidity sensor transmit sensed analog signals to a digital-to-analog converter in the electric box, the analog signals are converted into digital signals and then received by the display screen 9, the temperature and the humidity values are displayed by the display screen 9, the air pump 3 works at the moment, air is sucked in through the telescopic rod 2 and is sent into the monitoring air cavity 6 through an air pump connecting pipe 4, an infrared light source generator in the monitoring air cavity 6, an infrared detector and a double-reflector air pipe work in a matching way, the infrared detector sends detection data to the digital-to-analog converter in the electric box, the digital-, meanwhile, the digital signal is transmitted to the display screen 9 and displayed, the numerical comparator calls the preset data of the data memory to compare with the digital signal, if the digital signal is abnormal after comparison, the audible and visual alarm 10 starts to give an alarm, and the monitored gas is discharged to the outside of the case from the exhaust pipeline 7;

after the monitoring is accomplished, the filter screen in telescopic link 2 more or less has the dust, does not clear up always, can influence the accurate nature of gaseous monitoring, at this moment, opens the blanking cover, presses 3 reverse air transmission switches of air pump for 3 reverse air transmission of air pump, the air gets into from bifurcated pipe 5, discharges from telescopic link 2, and the reverse flow of air takes out the dust on the filter screen in telescopic link 2, thereby cleans the filter screen.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable infrared double-wave SF6 leakage monitoring device is characterized by comprising a case, wherein the case comprises a case front plate, a case rear plate, a case top plate, a case bottom plate and two case side plates which are correspondingly connected, a telescopic rod is arranged at the bottom inside the case and is a hollow rod body, a monitoring air cavity, an electric box and a storage battery are arranged in the case, the monitoring air cavity comprises an air inlet end and an air outlet end, a first through hole is formed in the bottom of the case front plate, one end of the telescopic rod penetrates through the first through hole and is in sealing connection with the first through hole, an air pump is hermetically connected between the other end of the telescopic rod and the air inlet end, a second through hole and a third through hole are formed in the case rear plate, an exhaust pipeline is connected between the air outlet end and the second through hole, and an air pump connecting pipe is arranged between the air pump and the monitoring air cavity, the air pump connecting pipe is provided with a bifurcated pipe, the bifurcated pipe penetrates through the inside of the third through hole and is in sealed connection with the third through hole, the bifurcated pipe is provided with a blocking cover, the blocking cover is arranged on the outer side of the box back plate and is in sealed connection with the third through hole, and filter screens are arranged in the telescopic rod and the third through hole;

2. The portable infrared double-wave SF6 leakage monitoring device as claimed in claim 1, wherein said air cavity has an infrared light source generator, an infrared detector and a double-reflector air tube connected to each other in a matched manner, said infrared light source generator and said infrared detector are connected to said monitor switch.

3. The portable infrared double-wave SF6 leakage monitoring device as claimed in claim 1, wherein said telescoping rod includes an outer loop bar, a plurality of middle loop bars and an inner loop bar that are matched with each other from outside to inside, and is adjacent to each other, between said outer loop bar and said middle loop bar, between two adjacent said middle loop bars and said inner loop bar are all provided with a sealing rubber ring and are connected through said sealing rubber ring, two ends of said outer loop bar are respectively connected with said air pump and said first through hole in a sealing manner, and said inner loop bar is provided with said filter screen.

4. The portable infrared double wave SF6 leakage monitoring device of claim 1, wherein a data processing unit is provided in said electrical box, said data processing unit comprising a digital-to-analog converter, a numerical comparator, a data storage and a wireless communication module.

5. The portable infrared double wave SF6 leakage monitoring device of claim 1, wherein said telescoping rod switch has extended, shortened and on/off positions.

6. The portable infrared double wave SF6 leak monitoring device of claim 1, wherein an LED light is positioned on top of the outside of said box front panel.

7. The portable infrared double wave SF6 leak monitoring device of claim 1, wherein said case floor bottom is provided with folding brackets.