CN214408711U - A color development device for monitoring SF6 gas decomposition product of power equipment - Google Patents
A color development device for monitoring SF6 gas decomposition product of power equipment Download PDFInfo
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- CN214408711U CN214408711U CN202120528904.7U CN202120528904U CN214408711U CN 214408711 U CN214408711 U CN 214408711U CN 202120528904 U CN202120528904 U CN 202120528904U CN 214408711 U CN214408711 U CN 214408711U
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Abstract
The utility model discloses a color development device for monitoring SF6 gas decomposition product of power equipment, include: a color development component and a valve body component; the color development assembly comprises a shell, an air inlet pipe, a base connecting piece and a transparent cover body; the bottom of the shell is provided with an air inlet, a through hole is formed in the base connecting piece, the air inlet pipe sequentially penetrates through the through hole and the air inlet to enter the shell, the base connecting piece is fixedly connected with the bottom of the shell, and the upper end of the shell is provided with a transparent cover body; the valve body assembly comprises a valve body, an equipment air hole, a checking air hole and a reserved air hole are formed in the valve body, a valve body connecting piece connected with an equipment air circuit is arranged on the equipment air hole, a valve body switch used for controlling the air circuit of the valve body is arranged on the valve body, the color development assembly is connected with the checking air hole through a base connecting piece, and the reserved air hole is provided with a detachable sealing plug. The utility model discloses a seal chamber that shell and transparent cover body formed detects H2S and SO2 gas that SF6 decomposes, and is small, simple structure, installation convenient operation.
Description
Technical Field
The utility model relates to an insulation monitoring technical field of gas insulated equipment, concretely relates to a color development device for monitoring SF6 gas decomposition product of power equipment.
Background
SF6 power equipment is widely used in the power industry, including GIS, circuit breakers, transformers, etc., and the insulating gas is SF 6. When the equipment is subjected to faults such as overheating and discharging, the insulating gas generates irreversible reaction to generate decomposition products such as H2S and SO2, and the content and the type of the decomposition products are detected, SO that the method becomes a technical means for diagnosing latent faults and positioning fault points.
At present, the commonly used detection technology is that a detection tube, a sensor, a chromatograph and an infrared principle instrument are used for on-site gas taking detection, and because a large amount of adsorbents are filled in SF6 equipment, the content of decomposition products is rapidly reduced after 24 hours, latent faults are difficult to find in routine periodic tests with intervals of up to three years, and even if hidden dangers of a short period of one year are investigated, the detection technology is a sea fishing needle. At present, an online detection technology installed on SF6 equipment is available, the principle is a sensor, but the technical device is expensive in manufacturing cost, the attenuation of the sensor needs to be checked regularly, an information communication module is difficult to maintain and is difficult to popularize in a large area, and the online detection technology is not suitable for GIS stations with hundreds of detection points.
The existing decomposed gas color development device for SF6 power equipment adopts a test tube structure, and color development test paper is arranged in the test tube structure for decomposing H2S and SO2The alarm is displayed, but the test tube structure is easy to explode when the air pressure is too high, and the test tube is arrangedThe arrangement is arranged outside the pipeline, no protective structure exists, the pipeline is easy to collide, fall and damage during operation and use, and the monitoring requirement on the decomposed gas of SF6 power equipment cannot be effectively guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, disclose a colour development device for monitoring power equipment's SF6 gaseous decomposition product, it can need not to dismantle sulfur hexafluoride relay intake pipe and the tracheal connection structure realization of equipment to the check-up of sulfur hexafluoride density relay.
The utility model provides a technical scheme that its technical problem adopted is:
a color developing device for monitoring SF6 gas decomposition products of a power plant, comprising:
a color development component and a valve body component;
the color development assembly comprises a shell, an air inlet pipe, a base connecting piece and a transparent cover body; the bottom of the shell is provided with an air inlet, the base connecting piece is provided with a through hole, the air inlet pipe sequentially penetrates through the through hole and the air inlet to enter the shell, the base connecting piece is fixedly connected with the bottom of the shell, and the upper end of the shell is provided with a transparent cover body;
the valve body assembly comprises a valve body, an equipment air hole, a checking air hole and a reserved air hole are formed in the valve body, a valve body connecting piece connected with the equipment air hole is arranged on the equipment air hole, a valve body switch used for controlling the air path of the valve body is arranged on the valve body, the color development assembly is connected with the checking air hole through a base connecting piece, and the reserved air hole is provided with a detachable sealing plug.
As a further technical scheme of the utility model do, the valve body connecting piece is the flange structure, the structural sealing washer that sets up of flange.
As a further technical scheme of the utility model do, base connecting piece, shell and transparent lid are sealing connection.
As a further technical scheme of the utility model, the transparent cover body is explosion-proof glass.
As a further technical scheme of the utility model does, the both ends of intake pipe all set up filter equipment.
As a further technical scheme of the utility model does, the valve body is five-way valve, and wherein reserve the gas pocket and set up two sets ofly.
As a further technical scheme of the utility model do, the valve body switch is knob switch.
As a further technical scheme of the utility model do, color development subassembly and sealed end cap are threaded connection with the valve body, wherein, the check-up gas pocket sets up the installation external screw thread with reserving the gas pocket, base connecting piece and sealed end cap set up the internal thread.
As a further technical scheme of the utility model do, the base connecting piece outside sets up seal sleeve, the seal sleeve inboard sets up the installation screw thread. Through setting up sealed sleeve pipe and three-way valve and realizing sealing connection, improve the accuracy that detects.
As a further technical scheme of the utility model, the color development subassembly is the cylinder structure.
Compared with the prior art, the utility model has the following advantage:
the embodiment of the utility model provides an in, constitute the colour development device that is used for monitoring power equipment's SF6 gas decomposition product jointly through colour development subassembly and valve body subassembly, convenient and be connected the installation with equipment, the SO that the sealed cavity that colour development subassembly passes through shell and transparent cover body to form decomposes SF6 simultaneously2And H2S gas is detected, SO2 and H2S color developing reagents are placed in the sealed cavity to realize gas detection, and color change of the reagents can be observed through the transparent cover body;
the embodiment of the utility model provides an in, the valve body connecting piece is the flange structure, and the flange sets up the sealing washer structurally. Sealing the joint of the valve body connecting piece and the equipment through a sealing ring; the base connecting piece, the shell and the transparent cover body are in sealing connection to prevent gas leakage, and the transparent cover body is made of explosion-proof glass and plays a role in explosion-proof protection; the two ends of the air inlet pipe are provided with the filtering devices, so that gas conveyed by the air inlet pipe can be filtered, and the air inlet pipe is prevented from being blocked due to the fact that impurities enter the air inlet pipe; the valve body switch is a knob switch, so that manual operation is facilitated;
in order to guarantee the sealing performance of being connected of color development subassembly and valve body subassembly, the base connecting piece outside sets up seal sleeve, realizes sealing connection through setting up seal sleeve and valve body subassembly, improves the accuracy that detects. The color development component is of a cylindrical structure, and is small in size, simple in structure and convenient to install and operate.
Drawings
Fig. 1 is a structural diagram of a color developing device for monitoring SF6 gas decomposition products of an electric power device according to the present invention;
fig. 2 is a structural diagram of the color developing assembly of the present invention.
Description of reference numerals:
10-a color development component, 20-a valve body component;
101-housing, 102-air inlet pipe, 103-base connector, 104-transparent cover, 105-filter device, 106-sealing sleeve;
111-gas inlet, 131-via;
201-valve body, 202-valve body connecting piece, 203-valve body switch, 204-sealing plug,
211-equipment air holes, 212-reserved air holes.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
As shown in fig. 1-2, which illustrate a specific embodiment of the present invention; as shown in the figure, the utility model discloses a color development device for monitoring SF6 gas decomposition product of power equipment, include:
a color developing assembly 10 and a valve body assembly 20;
the color development assembly 10 comprises a shell 101, an air inlet pipe 102, a base connecting piece 103 and a transparent cover body 104; the bottom of the casing 101 is provided with an air inlet 111, the base connecting piece 103 is provided with a through hole 131, the air inlet pipe 102 sequentially penetrates through the through hole 131 and the air inlet 111 to enter the inside of the casing 101, the base connecting piece 103 is fixedly connected with the bottom of the casing 101, and the upper end of the casing 101 is provided with a transparent cover body 104;
valve body subassembly 20 includes valve body 201, set up equipment gas pocket 211, check-up gas pocket and reserve gas pocket 212 on the valve body 201, set up the valve body connecting piece 202 of being connected with the equipment gas circuit on the equipment gas pocket 211, set up the valve body switch 203 that is used for control valve body gas circuit on the valve body 201, color development subassembly 10 passes through base connecting piece 103 and is connected with the check-up gas pocket, reserve gas pocket 212 and set up detachable sealed end cap 204.
The embodiment of the utility model provides an in, constitute the colour development device that is used for monitoring power equipment's SF6 gas decomposition product jointly through colour development subassembly and valve body subassembly, convenient and be connected the installation with equipment, the SO that the sealed cavity that colour development subassembly passes through shell and transparent cover body to form decomposes SF6 simultaneously2And H2S gas is detected by placing SO in a sealed cavity2And H2The S color reagent realizes the detection of gas, and the color change of the reagent can be observed through the transparent cover body.
The color development assembly is connected with the valve body assembly through the bottom connecting piece, the bottom connecting piece guides gas input into the valve body through the equipment inlet into the shell through the gas inlet pipe, the shell and the transparent cover body are hermetically mounted when the color development assembly is specifically mounted, and SO is filled in the shell2And H2S, a color reagent is developed, then the air inlet pipe is fixedly installed with the shell through a bottom connecting piece, the color development assembly is connected with a check interface on the valve body, and the valve body is connected with an equipment air passage through a valve body connecting piece; the valve body subassembly switches on or closes the gas circuit through the valve body switch and controls, reserves the interface and can be used to connect pressure detection relay, gas concentration monitoring sensor or other and be used for carrying out the device monitored to the inside gas circuit of equipment, and it is accurate to the concrete junction design requirement of reserving the interface, the utility model discloses do not do the restriction to this.
The embodiment of the utility model provides an in, valve body connecting piece 103 is the flange structure, and the flange is structural to set up the sealing washer. The joint of the valve body connecting piece and the equipment is sealed through the sealing ring. The base connecting piece 103, the casing 101 and the transparent cover body 104 are in sealing connection, so that gas leakage is prevented, and the transparent cover body 104 is made of explosion-proof glass and plays a role in explosion protection.
The embodiment of the utility model provides an in, the both ends of intake pipe 102 all set up filter equipment 105, and filter equipment can adopt stainless steel filter screen, filter pulp or other can be used to gaseous filterable devices, can filter the gas of intake pipe transport, prevents that impurity from getting into the intake pipe and causing the jam of intake pipe.
The embodiment of the utility model provides an in, valve body 201 can select three-way valve, cross valve or five-way valve, preferred adoption five-way valve, wherein reserve the gas pocket and set up two sets ofly. The valve body switch 203 is a knob switch, which facilitates manual operation.
The embodiment of the utility model provides an in, color development subassembly 10 and sealed end cap 204 are threaded connection with valve body 201, and wherein, check-up gas pocket 202 sets up the installation external screw thread with reservation gas pocket 203, base connecting piece 103 sets up the internal thread with sealed end cap 204.
In order to ensure the sealing property of the connection between the color development assembly and the valve body assembly, a sealing sleeve 106 is arranged on the outer side of the base connecting piece 103, and a mounting thread is arranged on the inner side of the sealing sleeve 106. Realize sealing connection through setting up sealed sleeve pipe and valve body subassembly, improve the accuracy that detects. The color development component 10 is of a cylindrical structure, and is small in size, simple in structure and convenient to install and operate.
For the valve body component (also called valve, valve component, etc. in the prior art), the technical scheme and technical purpose of the utility model can be realized by directly and unambiguously selecting the air valve which can realize the conduction effect when the air valve component is in the open and closed state according to the description of the utility model; the structure of the preferred embodiment of the present invention can be adopted for the specific structure of the valve assembly, and the existing air valve structure can also be selected.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A color developing device for monitoring SF6 gas decomposition products of electric power equipment, comprising:
a color development component and a valve body component;
the color development assembly comprises a shell, an air inlet pipe, a base connecting piece and a transparent cover body; the bottom of the shell is provided with an air inlet, the base connecting piece is provided with a through hole, the air inlet pipe sequentially penetrates through the through hole and the air inlet to enter the shell, the base connecting piece is fixedly connected with the bottom of the shell, and the upper end of the shell is provided with a transparent cover body;
the valve body assembly comprises a valve body, an equipment air hole, a checking air hole and a reserved air hole are formed in the valve body, a valve body connecting piece connected with the equipment air hole is arranged on the equipment air hole, a valve body switch used for controlling the air path of the valve body is arranged on the valve body, the color development assembly is connected with the checking air hole through a base connecting piece, and the reserved air hole is provided with a detachable sealing plug.
2. The color development device for monitoring SF6 gas decomposition products of electric power equipment as recited in claim 1, wherein said valve body connecting member is a flange structure having a sealing ring disposed thereon.
3. The device of claim 1, wherein the base connector, the housing and the transparent cover are hermetically sealed.
4. The color developing device for monitoring SF6 gas decomposition product of electric power equipment of claim 3, wherein said transparent cover is explosion-proof glass.
5. The color-developing device for monitoring SF6 gas decomposition product of electric power equipment as claimed in claim 1, wherein said air inlet tube is provided with filtering means at both ends.
6. The color-developing device for monitoring SF6 gas decomposition product of electric power equipment of claim 1, wherein said valve body is a five-way valve in which two sets of reserved air holes are provided.
7. The color development device for monitoring SF6 gas decomposition products of electric power equipment of claim 1, wherein said valve body switch is a knob switch.
8. The color developing device for monitoring SF6 gas decomposition products of electric power equipment of claim 1, wherein the color developing assembly and the sealing plug are threadedly connected to the valve body, wherein the calibration air hole and the pre-reserved air hole are provided with external installation threads, and the base connection member and the sealing plug are provided with internal threads.
9. The color developing device for monitoring SF6 gas decomposition product of electric power equipment as claimed in claim 1, wherein said base connection member is provided with a sealing sleeve at outside and said sealing sleeve is provided with a mounting thread at inside.
10. The color development device for monitoring SF6 gas decomposition products of electric power equipment of claim 1, wherein said color development assembly is a cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120528904.7U CN214408711U (en) | 2021-03-15 | 2021-03-15 | A color development device for monitoring SF6 gas decomposition product of power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120528904.7U CN214408711U (en) | 2021-03-15 | 2021-03-15 | A color development device for monitoring SF6 gas decomposition product of power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214408711U true CN214408711U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120528904.7U Active CN214408711U (en) | 2021-03-15 | 2021-03-15 | A color development device for monitoring SF6 gas decomposition product of power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214408711U (en) |
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2021
- 2021-03-15 CN CN202120528904.7U patent/CN214408711U/en active Active
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