CN116045141A

CN116045141A - Gas monitoring device

Info

Publication number: CN116045141A
Application number: CN202310035186.3A
Authority: CN
Inventors: 杨博; 吕尚霖; 刘瞻; 侯中峰; 南江; 王家驹
Original assignee: Xian Thermal Power Research Institute Co Ltd
Current assignee: Xian Thermal Power Research Institute Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-02

Abstract

The invention relates to the technical field of gas leakage, in particular to a gas monitoring device, which comprises a detection head, a first connecting plate and a rotating assembly.

Description

Gas monitoring device

Technical Field

The invention relates to the technical field of gas leakage, in particular to a gas monitoring device.

Background

Sulfur hexafluoride is mainly used as an insulating and arc extinguishing medium and widely applied to a high-voltage switch and equipment thereof, sulfur hexafluoride gas is decomposed under the influence of factors such as electric arc, corona, spark discharge, partial discharge, high temperature and the like, decomposed products of the sulfur hexafluoride gas are changed into corrosive electrolyte after encountering moisture, indoor space for installing sulfur hexafluoride high-voltage equipment is generally closed, toxic decomposed products are easily deposited in the indoor space due to slow air circulation once sulfur hexafluoride gas leakage occurs, the safety of a human body is affected, and after sulfur hexafluoride gas leakage occurs, sulfur hexafluoride gas is downwards sunk, so that a sulfur hexafluoride detector is arranged in a certain range below a leakage-prone point, but the structure of a gas monitoring device in the related art is unique, the position environments of the leakage-prone point of different high-voltage equipment are different, the gas monitoring device is difficult to adjust the positions according to actual installation environments, and the accuracy of monitoring results is further reduced.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides a gas monitoring device which can improve the accuracy of a detection result.

The gas monitoring device of the embodiment of the invention comprises: the detecting head is used for monitoring sulfur hexafluoride; a first link plate on which the probe head is mounted, the first link plate being movable in a first direction and a second direction, the first direction and the second direction being arranged orthogonally; the rotating assembly is connected with the first connecting plate to drive the first connecting plate to rotate.

The gas monitoring device provided by the embodiment of the invention can improve the accuracy of the detection result.

In some embodiments, the gas monitoring device further comprises a first driving assembly, the first driving assembly comprises a first driving member and a mounting plate, one end of the first driving member is connected with the first connecting plate to drive the first connecting plate to move in a first direction, the other end of the first driving member is connected with the mounting plate, and the other end of the first connecting plate is connected with the probe head.

In some embodiments, the gas monitoring device further comprises a second drive assembly comprising a second drive component and a second connection plate, the second drive component being coupled to the second connection plate to drive the second connection plate to move in a second direction, the second connection plate being coupled to the mounting plate.

In some embodiments, the gas monitoring device further comprises a base and a support rod, one end of the support rod is connected to the base, and the other end of the support rod is connected to the second driving assembly.

In some embodiments, the rotating assembly includes a rotating shaft and a connecting rod, one end of the rotating shaft is connected with the supporting rod, the other end of the rotating shaft is connected with the connecting rod, and the other end of the connecting rod is connected with the base.

In some embodiments, the base is provided with a plurality of clamping grooves, the clamping grooves are arranged around the supporting rod, and the connecting rod can be clamped into the clamping grooves.

In some embodiments, the gas monitoring device further comprises a control box and a sliding assembly, wherein the sliding assembly is arranged on one side of the control box, the sliding assembly is connected with the first connecting plate, and the mounting plate is connected with the control box.

In some embodiments, the sliding assembly comprises a sliding rod, the sliding rod is connected with the control box, and one end of the first connecting plate is sleeved on the sliding rod.

In some embodiments, the control box has a receiving cavity, an alarm is disposed outside the control box, and a controller is disposed in the receiving cavity and is respectively connected with the probe and the alarm.

In some embodiments, the gas monitoring apparatus further comprises a plurality of shock absorbing members and a backing plate, the base has a mounting groove, the shock absorbing members are mounted in the mounting groove, and the backing plate is connected to a side of the shock absorbing members remote from the base.

Drawings

FIG. 1 is a schematic diagram of a gas monitoring apparatus according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is an enlarged schematic view at B in fig. 1.

FIG. 4 is a schematic diagram of a control system according to an embodiment of the present invention.

Reference numerals:

the probe 1, the first connecting plate 2, the rotating component 3, the rotating shaft 301, the connecting rod 302,

the first drive assembly 4, the first drive member 401, the mounting plate 402,

the second driving component 5, the second driving part 501, the screw 5011, the knob 5012, the guide rod 5013, the steel ball 5014, the second connecting plate 502, the fixing component 503, the inserting rod 5031, the cutting ferrule 5032, the first spring 5033, the stopper 5034,

base 6, clamping groove 601, mounting groove 602, supporting rod 7, sliding component 8, sliding rod 801,

control box 9, power connector 901, controller 902, memory 903, positioning module 904, signal transmitter 905, power source 906, box cover 907, drive shaft 908, locking screw 909,

alarm 10, shock absorbing member 11, backing plate 12, mounting base 13, chute 1301, slot 1302,

distance sensor 14, round pin axle 15, turnbuckle 16, retaining member 17.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

As shown in fig. 1 to 4, the gas monitoring apparatus of the embodiment of the present invention includes a probe head 1, a first connection plate 2, and a rotating assembly 3.

The probe 1 is used for monitoring sulfur hexafluoride. The probe head 1 is mounted on a first link plate 2, the first link plate 2 is movable in a first direction (up-down direction as viewed in fig. 1) and a second direction (left-right direction as viewed in fig. 1), and

the first direction and the second direction are arranged orthogonally. The rotating component 3 is connected with the first connecting plate 2 to drive the first connecting plate 2 to rotate.

Specifically, the detecting head 1 is arranged above the first connecting plate 2, the first connecting plate 2 moves up and down to drive the 5 detecting head 1 to move up and down, the first connecting plate 2 moves left and right to drive the detecting head 1 to move left and right,

to achieve movement of the probe 1 in up and down and left and right directions.

Optionally, the rotating component 3 is disposed below the first connecting plate 2, and when the rotating component 3 rotates, the first connecting plate 2 is driven to rotate, so as to drive the detecting head 1 to rotate, and the detecting head 1 moves in the up-down direction and the left-right direction and rotates under the action of the rotating component 3, so that the gas monitoring device can adjust the position of the detecting head 10 according to the actual installation environment, and further the monitoring accuracy of the detecting head 1 is improved.

It will be appreciated that sulfur hexafluoride has a higher gas density than air, and after it leaks, it is sunk downward, so that the sulfur hexafluoride probe 1 should be installed below the point of easy leakage, 30-60 cm above the ground, within 7.5m of the point of easy leakage or within 15m of the horizontal distance of the two detectors, by being up and down and left and right

The position of the detecting head 1 is adjusted, and the position of the detecting head 1 is rotated through the rotating assembly 3, so that the detecting 5 and the detecting head 1 are positioned in an installation range of a point easy to leak, and the accuracy of the monitoring result of the detecting head 1 is improved.

In some embodiments, the gas monitoring apparatus further comprises a first driving assembly 4, where the first driving assembly 4 includes a first driving member 401 and a mounting plate 402, one end of the first driving member 401 is connected to the first connecting plate 2 to drive the first connecting plate 2 to move in the first direction, the other end of the first driving member 401 is connected to the mounting plate 402, and the other end of the first connecting plate 2 is connected to the probe head 1.

0 specifically, the lower end of the first driving member 401 is connected to the mounting plate 402, and the upper end of the first driving member 401 is connected to the first connection

The connecting plate 2 is connected, the upper end of the first connecting plate 2 is connected with the detecting head 1, and the first driving piece 401 is driven to drive the first connecting plate 2 to move in the up-down direction, and the first connecting plate 2 drives the detecting head 1 to move up and down.

For example, the first driving member 401 is a driving cylinder, and an output end of the driving cylinder is connected to the first connection plate 2.

In some embodiments, the gas monitoring apparatus further comprises a second drive assembly 5, the second drive assembly 5 comprising a second drive 5 component 501 and a second connection plate 502, the second drive component 501 being coupled to the second connection plate 502 to move the second connection plate 502 in a second direction, the second connection plate 502 being coupled to the mounting plate 402.

Specifically, the lower end of the second connection plate 502 is connected to the second driving member 501, the upper end of the second connection plate 502 is connected to the mounting plate 402, and the second driving member 501 drives the second connection plate 502 to move in the left-right direction to drive the mounting plate

402 move in a left-right direction.

0 optionally, the gas monitoring device further includes mount pad 13, mount pad 13 is used for installing second drive assembly 5, be equipped with spout 1301 in the mount pad 13, second drive part 501 includes screw rod 5011, knob 5012 and guide bar 5013, the left end of screw rod 5011 stretches into in the spout 1301, the right-hand member of screw rod 5011 is located outside spout 1301 and links to each other with knob 5012, guide bar 5013 establishes in spout 1301 and with screw rod 5011 parallel arrangement, be equipped with the slide opening that corresponds with second connecting plate 502 on the guide bar 5013, sliding connection has a plurality of steel balls 5014 in the slide opening, the edge and the guide bar 5013 contact of steel ball 5014 are in order to reduce the friction between guide bar 5013 and the second connecting plate 502, second connecting plate 502 cover is established on screw rod 5011, drive screw rod 5011 through turning knob 5012 and be connected with guide bar 5013, can avoid second connecting plate 502 to take place to rock when moving, drive second connecting plate 502 in the left and right directions through the rotation of screw rod 5011, link to each other with mounting plate 502, make the left and right directions drive mounting plate 402 and then drive the rotation of mounting plate on the side 402.

Optionally, the right side of mount pad 13 still is provided with fixed subassembly 503, fixed subassembly 503 includes inserted bar 5031, cutting ferrule 5032, first spring 5033 and stopper 5034, inserted bar 5031 slides and inserts and establish on knob 5012, the left end and the cutting ferrule 5032 of inserted bar 5031 link to each other, the right-hand member and the stopper 5034 of inserted bar 5031 link to each other, the cover is equipped with first spring 5033 on inserted bar 5031, the left end and the cutting ferrule 5032 of first spring 5033 link to each other, the right-hand member and knob 5012 of first spring 5033 link to each other, the right side outer wall of mount pad 13 is gone up and is encircleed and is equipped with a plurality of slots 1302 that correspond with inserted bar 5031, the setting through cutting ferrule 5032 and stopper 5034 has been avoided inserted bar 5031 to drop in knob 5012, can play certain supporting role to inserted bar 5031 through the setting up of first spring 5033, and then make the left end of inserted bar 5031 insert in the slot 1302 to fix screw rod 5011.

Optionally, a distance sensor 14 is also installed in the chute 1301 to detect the moving distance of the second sensor.

In some embodiments, the gas monitoring device further comprises a base 6 and a support rod 7, one end of the support rod 7 is connected to the base 6, and the other end of the support rod 7 is connected to the second driving assembly 5.

Specifically, the base 6 is arranged at the lower end of the mounting seat 13, the upper end of the supporting rod 7 is connected with the mounting seat 13, the lower end of the supporting rod 7 is connected with the base 6, and the supporting rod 7 can rotate under the action of the rotating assembly 3 to drive the base 6 to rotate.

In some embodiments, the rotating assembly 3 includes a rotating shaft 301 and a connecting rod 302, one end of the rotating shaft 301 is connected to the support rod 7, the other end of the rotating shaft 301 is connected to the connecting rod 302, and the other end of the connecting rod 302 is connected to the base 6.

Specifically, the rotating assembly 3 is mounted on the base 6, the rotating assembly 3 further comprises a second spring, the second spring is sleeved on the rotating shaft 301, one end of the second spring is connected with the connecting rod 302, and the other end of the second spring is connected with the supporting rod 7 to provide a certain support for the connecting rod 302.

For example, the second spring is a torsion spring.

In some embodiments, the base 6 is provided with a plurality of clamping grooves 601, the plurality of clamping grooves 601 are arranged around the supporting rod 7, and the connecting rod 302 can be clamped into the clamping grooves 601.

Optionally, the connecting rod 302 is an arc-shaped clamping rod, one end of the arc-shaped clamping rod is connected with the supporting rod 7 through the rotating shaft 301, and the other end of the arc-shaped clamping rod can be clamped into the clamping groove 601 to fix the supporting rod 7.

In some embodiments, the gas monitoring apparatus further comprises a control box 9 and a sliding assembly 8, the sliding assembly 8 is disposed on one side of the control box 9, the sliding assembly 8 is connected to the first connection plate 2, and the mounting plate 402 is connected to the control box 9.

Specifically, the lower extreme of control box 9 links to each other with second connecting plate 502, and the left end of control box 9 links to each other with mounting panel 402, and the left side of control box 9 is provided with sliding assembly 8, and sliding assembly 8 links to each other with first connecting plate 2.

Optionally, the lower extreme of control box 9 links to each other with second connecting plate 502 through round pin axle 15, and the left side lower extreme of control box 9 still is provided with turnbuckle 16, and the upper end of turnbuckle 16 links to each other with control box 9, and the lower extreme of control box 9 links to each other with second connecting plate 502, can rotate control box 9 in order to adjust the angle of control box 9 through the setting of round pin axle 15, fixes the position of control box 9 through the setting of turnbuckle 16.

Optionally, the first driving member 401 is connected to the control box 9 through a mounting plate 402 to fix the position of the first driving member 401.

It can be understood that, when the second driving member drives the second connecting plate 502 to move in the left-right direction, the second driving member drives the control box 9 to move left-right and simultaneously realizes the movement of the first connecting plate 2 in the left-right direction, so as to drive the probe 1 to move in the left-right direction.

In some embodiments, the sliding assembly 8 includes a sliding rod 801, the sliding rod 801 is connected to the control box 9, and one end of the first connecting plate 2 is sleeved on the sliding rod 801.

Specifically, the sliding rod 801 is disposed on the left side of the control box 9, the first connecting plate 2 is sleeved on the sliding rod 801, the sliding rod 801 plays a certain supporting role on the probe 1, and when the first driving member 401 drives the first connecting plate 2 to move in the up-down direction, the connection between the sliding rod 801 and the first connecting plate 2 can improve the stability of the probe 1 during the up-down movement.

In some embodiments, the control box 9 has a receiving cavity, an alarm 10 is arranged outside the control box 9, a controller 902 is arranged in the receiving cavity, and the controller 902 is respectively connected with the probe 1 and the alarm 10.

Specifically, the alarm 10 is disposed on the right outer wall surface of the control box 9, and a control system is further disposed in the control box 9, where the control system includes a controller 902, a memory 903, a power supply 906, a positioning module 904, and a signal transmitter 905, and the controller 902 is respectively connected to the positioning module 904, the probe 1, the distance sensor 14, the alarm 10, the memory 903, the signal transmitter 905, and the power supply 906, and is used for respectively adjusting working parameters of the positioning module 904, the probe 1, the distance sensor 14, the alarm 10, the memory 903, and the signal transmitter 905.

Optionally, the control box 9 further includes a box cover 907, one end of the box cover 907 is connected with the control box 9 through a transmission shaft 908, the other end of the box cover 907 is fixedly connected with the control box 9 through a locking screw 909, tightness of the accommodating cavity can be ensured through arrangement of the box cover 907, influence of dust on precision of elements such as the controller 902 is avoided, and monitoring accuracy of the gas monitoring device is further improved.

Optionally, a power connector 901 is fixedly embedded on the outer wall of the control box 9, and an output end of the power connector 901 is connected with an input end of the power source 906, so that power is conveniently supplied to the power source 906.

It will be appreciated that the controller 902, by receiving information transmitted by the distance sensor 14 and the positioning module 904, positions the control box 9 and the screw 5011, and calculates the data to be moved by the probe 1 according to the position of the easily accessible point that is input in advance. After detecting the gas leakage in the electrical equipment, the detector head 1 transmits the monitored information to the controller 902, the controller 902 transmits the monitored information to a remote control center for analysis through the signal transmitter 905, and meanwhile, when the gas value is abnormal, the controller 902 controls the alarm 10 to give an alarm.

For example, the positioning module 904 is a Beidou positioning module 904 or a GPS positioning module 904, and is used for positioning the position of the control box 9.

According to the embodiment of the invention, after the direction of the control box 9 is adjusted by rotating the supporting rod 7, the position of the mounting seat 13 is fixed by the arc-shaped clamping rod, and meanwhile, a certain torsion support can be provided for the arc-shaped clamping rod by the torsion spring, so that the rotation of the control box 9 is realized.

When the control box 9 moves left and right, the screw rod 5011 is driven to rotate by the rotating knob 5012 to realize the movement of the control box 9 in the left and right direction, the friction force between the second connecting plate 502 and the guide rod 5013 can be reduced by the arrangement of the steel balls 5014, the rotating knob 5012 is fixed by the inserting rod 5031, and the first spring 5033 can also play a certain elastic support for the inserting rod 5031.

When the detecting head 1 moves up and down, the first driving piece 401 drives the first connecting plate 2 to move in the up-down direction so as to drive the first connecting plate 2 to slide on the sliding rod 801, and further drive the detecting head 1 to move in the up-down direction, and the gas monitoring device can be freely adjusted according to the actual installation environment through the arrangement of the first driving assembly 4, the second driving assembly 5 and the rotating assembly 3, so that the installation efficiency of the monitoring device is improved.

In some embodiments, the gas monitoring apparatus further comprises a plurality of shock absorbing members 11 and a backing plate 12, the base 6 having a mounting groove 602, the shock absorbing members 11 being mounted in the mounting groove 602, the backing plate 12 being connected to a side of the shock absorbing members 11 remote from the base 6.

Specifically, the upper end of the backing plate 12 is connected with the damping component 11, and a certain buffering effect can be achieved on the base 6 through the arrangement of the backing plate 12 and the damping components 11, so that the accuracy of monitoring data of the probe 1 is improved.

The shock absorbing member 11 is, for example, a damping shock absorber.

Optionally, the gas monitoring device further includes a plurality of locking members 17, the number of locking members 17 is set to be a plurality of, and a plurality of locking members 17 encircle base 6 interval arrangement and link to each other with base 6, improve the stability of gas monitoring device when being convenient for install base 6 through the setting of a plurality of locking members 17.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

It will be appreciated that the above embodiments are exemplary and are not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

1. The gas monitoring device is characterized by comprising a detection head, a first connecting plate and a rotating assembly, wherein the detection head is used for monitoring sulfur hexafluoride; the probe head is mounted on the first connecting plate, the first connecting plate can move along a first direction and a second direction, and the first direction and the second direction are orthogonally arranged; the rotating assembly is connected with the first connecting plate to drive the first connecting plate to rotate.

2. The gas monitoring device of claim 1, further comprising a first drive assembly, the first drive assembly comprising a first drive member and a mounting plate, one end of the first drive member coupled to the first connection plate to move the first connection plate in a first direction, the other end of the first drive member coupled to the mounting plate, and the other end of the first connection plate coupled to the probe.

3. The gas monitoring device of claim 2, further comprising a second drive assembly including a second drive member and a second connecting plate, the second drive member coupled to the second connecting plate to move the second connecting plate in a second direction, the second connecting plate coupled to the mounting plate.

4. A gas monitoring device according to claim 3, further comprising a base and a support rod, one end of the support rod being connected to the base and the other end of the support rod being connected to the second drive assembly.

5. The gas monitoring device of claim 4, wherein the rotating assembly comprises a rotating shaft and a connecting rod, one end of the rotating shaft is connected with the supporting rod, the other end of the rotating shaft is connected with the connecting rod, and the other end of the connecting rod is connected with the base.

6. The gas monitoring device of claim 5, wherein the base is provided with a plurality of clamping grooves, the plurality of clamping grooves are arranged around the support rod, and the connecting rod can be clamped into the clamping grooves.

7. The gas monitoring device of claim 6, further comprising a control box and a sliding assembly, the sliding assembly being disposed on one side of the control box, the sliding assembly being coupled to the first connection plate, the mounting plate being coupled to the control box.

8. The gas monitoring device of claim 7, wherein the sliding assembly comprises a sliding rod connected to the control box, and wherein one end of the first connecting plate is sleeved on the sliding rod.

9. The gas monitoring device of claim 7, wherein the control box has a receiving cavity, an alarm is disposed outside the control box, and a controller is disposed in the receiving cavity, and the controller is respectively connected to the probe and the alarm.

10. The gas monitoring device of claim 7, further comprising a plurality of shock absorbing members and a backing plate, wherein the base has a mounting slot, wherein the shock absorbing members are mounted in the mounting slot, and wherein the backing plate is coupled to a side of the shock absorbing members remote from the base.