Sulfur hexafluoride gas field sampling and testing device
By designing a sulfur hexafluoride gas sampling device that includes a sampling container, control valve, vacuum pump, and pressure monitoring device, the problem of residual waste gas in the sampling bottle affecting the accuracy of detection data was solved, achieving high-purity sampling and accurate testing.
Patent Information
- Application Number
- CN202423275928.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing sulfur hexafluoride gas sampling devices are prone to leaving residual waste gas in the sampling bottle during the vacuuming process, which affects the accuracy of the test data.
A device comprising a sampling container, a control valve, a sulfur hexafluoride (SF6) tester, a collection bag, and a vacuum pump was designed. The control valve controls the gas flow, and the vacuum pump removes air or waste gas from the collection bag to ensure no residual gas interferes with the sampling process. A pressure balancing valve and a pressure gauge are used to monitor the internal pressure, thereby improving the purity of the sampled gas and the accuracy of the test data.
Ensuring no residual gas interference during sampling improves the purity of the sampled gas and the accuracy of test data, thereby enhancing the safety and stability of the device.
Smart Images
Figure CN223770171U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of gas sampling test especially relates to sulfur hexafluoride gas field sampling test device. BACKGROUND
[0002] Sulfur hexafluoride is a colorless, odorless, non-toxic and extremely stable chemical property gas, has excellent insulating properties and arc extinguishing ability, therefore sulfur hexafluoride can significantly improve the operation reliability and safety in high voltage equipment. When monitoring the running power equipment, in order to evaluate the purity of sulfur hexafluoride gas, usually need to carry out field sampling test to sulfur hexafluoride gas. Sampling process usually needs to maintain the sealing of the equipment to avoid gas leakage or external pollution, therefore need to use sulfur hexafluoride gas field sampling test device.
[0003] In the prior art, when carrying out field detection to sulfur hexafluoride gas, usually need to collect sulfur hexafluoride gas by using sampling bottle, so as to carry out test to the collected gas sample by using sulfur hexafluoride tester subsequently, however, in order to ensure the accuracy of detection data, usually need to carry out vacuumizing treatment to the inside of sampling bottle, but in the process of vacuumizing the inside of sampling bottle, the vacuumizing effect may be not ideal due to the structure limitation of sampling bottle, so that there may be residual waste gas in the sampling bottle, which may affect the accuracy of detection data, so that the present application is not conducive to practical use.
[0004] Therefore, it is necessary to provide sulfur hexafluoride gas field sampling test device to solve the above technical problems. UTILITY MODEL CONTENT
[0005] In order to solve the above technical problem that the residual waste gas in the sampling bottle affects the accuracy of detection data, the utility model provides sulfur hexafluoride gas field sampling test device.
[0006] The sulfur hexafluoride gas field sampling test device provided by the utility model comprises a sampling tank, a control valve and a sulfur hexafluoride tester are fixedly connected on the sampling tank, the sulfur hexafluoride tester is located on one side of the control valve, a collecting bag is fixedly arranged on the inner wall top of the sampling tank, the inside of the collecting bag is communicated with the control valve and the sulfur hexafluoride tester, and a vacuum pump is fixedly arranged on the sampling tank and communicated with the inside of the collecting bag.
[0007] Preferably, the sampling tank comprises a tank body fixedly connected at the bottom end of the control valve, the collecting bag is located in the inside of the tank body, the tank body is provided with a mounting hole and a communication hole penetrating through the tank body, the bottom end of the sulfur hexafluoride tester is located in the inside of the mounting hole, and the bottom end of the vacuum pump is communicated with the communication hole.
[0008] Preferably, one side of the tank body is fixedly connected with a pressure balance valve penetrating through the tank body.
[0009] Preferably, the top of the tank body is fixedly connected with a pressure gauge penetrating through the tank body, and the pressure gauge is in communication with the inside of the collecting bag.
[0010] Preferably, the outer wall of the tank body is fixedly connected with a protective shell, the protective shell is located below the pressure balance valve, and the lower surface of the protective shell is fixedly connected with an anti-skid pad.
[0011] Preferably, the lower surface of the tank body is uniformly fixedly connected with a plurality of supporting columns, and the lower end surface of the supporting column is fixedly connected with the inner wall bottom of the protective shell.
[0012] Preferably, the outer wall of the tank body is uniformly fixedly connected with a plurality of buffer columns, and the end away from the tank body of the buffer column is fixedly connected with the inner wall of the protective shell.
[0013] Compared with the related art, the sulfur hexafluoride gas on-site sampling and testing device has the following beneficial effects:
[0014] 1. The sulfur hexafluoride gas on-site sampling and testing device can ensure that there is no residual gas interference in the sampling process: the control valve can control the in-out or sealing state of the gas, the vacuum pump can exhaust the air or waste gas in the collecting bag, so that the collecting bag can maintain a vacuum state, the control valve can be connected with external equipment or a pipe body to collect sulfur hexafluoride gas, and then seal the collecting bag in the sampling tank, and the sulfur hexafluoride tester can test the purity and other parameters of sulfur hexafluoride in the sampling gas. The collecting bag is used to sample the gas, and the vacuum pump can perform vacuumization on the collecting bag, so that there is no residual gas interference in the sampling process, thereby improving the purity of the sampling gas and ensuring the accuracy and reliability of the test data.
[0015] 2. The sulfur hexafluoride gas on-site sampling and testing device sets the tank body to limit the installation position of the control valve and the collecting bag, and also plays a certain protective role on the collecting bag. The installation hole limits the installation position of the sulfur hexafluoride tester, the vacuum pump can perform vacuumization on the inside of the collecting bag through the communication hole, the collecting bag is set to shrink and expand, the pressure balance valve can dynamically adjust the pressure in the tank body, and the pressure gauge can monitor the pressure in the collecting bag, thereby improving the safety of the collecting bag during use.
[0016] 3、The six fluorine sulfur gas field sampling test device that setting protection shell can protect the outer wall of jar body, the anti -skid pad can increase the friction between protection shell and the placement surface, a plurality of support columns can support between the inner wall bottom of protection shell and the lower surface of jar body can enhance the stability of connection, a plurality of buffer columns are uniformly supported between the inner wall of protection shell and the outer wall of jar body can absorb part vibration and external force, so as to further protection effect can be played to jar body. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 The overall structure schematic diagram of the six fluorine sulfur gas field sampling test device provided by the utility model is provided.
[0018] Figure 2 The sectional structure schematic diagram of the six fluorine sulfur gas field sampling test device provided by the utility model is provided.
[0019] Figure 3 The sampling jar structure schematic diagram of the six fluorine sulfur gas field sampling test device provided by the utility model is provided.
[0020] Figure 4 The six fluorine sulfur gas field sampling test device provided by the utility model Figure 2 The structure enlarged schematic diagram in A place in it.
[0021] Marked number in drawing: 1, sampling jar;101, jar body;102, mounting hole;103, communication hole;2, control valve;3, six fluorine sulfur tester;4, collection bag;5, vacuum pump;6, pressure balance valve;7, protection shell;8, support column;9, buffer column;10, anti -skid pad;11, pressure gauge. DETAILED DESCRIPTION
[0022] The utility model will be further described below in combination with drawing and embodiment.
[0023] Please combine with reference to Figures 1 to 4 , six fluorine sulfur gas field sampling test device, include: sampling jar 1, sampling jar 1 is fixedly connected with control valve 2 and six fluorine sulfur tester 3, six fluorine sulfur tester 3 is located in control valve 2 one side, collection bag 4 is fixedly arranged in the inner wall top of sampling jar 1, the inside of collection bag 4 is connected with control valve 2 and six fluorine sulfur tester 3, vacuum pump 5 is fixedly arranged on sampling jar 1, and is connected with the inside of collection bag 4.
[0024] In the specific implementation process, the sampling tank 1 arranged in the sulfur hexafluoride gas on-site sampling test device can limit the installation positions of the control valve 2, the sulfur hexafluoride tester 3, the collection bag 4 and the vacuum pump 5. The control valve 2 can control the in-out or sealing state of the gas. When the control valve 2 is closed, the vacuum pump 5 can be started to exhaust the air or waste gas in the collection bag 4, so that the inside of the collection bag 4 can be kept in a vacuum state. The control valve 2 can be connected with external equipment or a pipe body. After collecting the sulfur hexafluoride gas, the collection bag 4 in the sampling tank 1 is sealed to keep the state of the sampling gas. After the gas enters the inside of the collection bag 4, the sulfur hexafluoride tester 3 arranged can test the purity and other parameters of sulfur hexafluoride in the sampling gas. The sulfur hexafluoride gas on-site sampling test device can sample the gas by arranging the collection bag 4 in the inside of the sampling tank 1. When the vacuum pump 5 is used to vacuumize, it can ensure that there is no residual gas interference in the sampling process, so as to improve the purity of the sampling gas and ensure the accuracy and reliability of the test data. The structure of the sampling bottle is limited, so that the vacuumization effect is not ideal, and the residual waste gas in the sampling bottle affects the accuracy of the detection data. The application is more beneficial to actual use.
[0025] Reference Figure 1 , Figure 2 and Figure 3 As shown in the drawings, the sampling tank 1 comprises a tank body 101 fixedly connected to the bottom end of the control valve 2. The collection bag 4 is located in the inside of the tank body 101. The tank body 101 is provided with a mounting hole 102 and a communication hole 103 penetrating the tank body 101. The bottom end of the sulfur hexafluoride tester 3 is located in the inside of the mounting hole 102. The bottom end of the vacuum pump 5 is in communication with the communication hole 103.
[0026] In the specific implementation process, the tank body 101 can limit the installation positions of the control valve 2 and the collection bag 4, and can also play a certain protection role for the collection bag 4 to prevent the collection bag 4 from being pierced by external force. The mounting hole 102 can limit the installation position of the sulfur hexafluoride tester 3. The sulfur hexafluoride tester 3 is in threaded connection with the mounting hole 102, so that the sulfur hexafluoride tester 3 can be conveniently disassembled, repaired or replaced by personnel. The communication hole 103 can be in communication with the vacuum pump 5, so that the vacuum pump 5 can vacuumize the inside of the collection bag 4 through the communication hole 103.
[0027] Reference Figure 1 , Figure 2 and Figure 3 As shown in the drawings, one side of the tank body 101 is fixedly connected with a pressure balance valve 6 penetrating the tank body 101.
[0028] In the specific implementation process, the pressure balance valve 6 is arranged to dynamically adjust the pressure in the tank body 101 during the shrinkage and expansion of the collection bag 4, so as to ensure the use effect of the collection bag 4.
[0029] Referring to Figure 1 , Figure 2 and Figure 3 , the top of the tank body 101 is fixedly connected with a pressure gauge 11 penetrating the tank body 101, and the pressure gauge 11 is in communication with the inside of the collection bag 4.
[0030] In the specific implementation process, the pressure gauge 11 is arranged to monitor the pressure in the collection bag 4 during the shrinkage and expansion of the collection bag 4, so as to improve the safety of the collection bag 4 during use.
[0031] Referring to Figure 1 , Figure 2 and Figure 4 , the outer wall of the tank body 101 is fixedly connected with a protective shell 7, and the protective shell 7 is located below the pressure balance valve 6. The lower surface of the protective shell 7 is fixedly connected with a non-slip pad 10.
[0032] In the specific implementation process, the protective shell 7 is arranged to protect the outer wall of the tank body 101, so as to prevent the tank body 101 from being directly impacted by external force. The non-slip pad 10 can increase the friction between the protective shell 7 and the placement surface, so as to play a certain anti-skid role and improve the stability of the application.
[0033] Referring to Figure 2 and Figure 4 , the lower surface of the tank body 101 is fixedly connected with a plurality of support columns 8, and the lower end surface of the support column 8 is fixedly connected with the inner wall bottom of the protective shell 7.
[0034] In the specific implementation process, the plurality of support columns 8 are arranged to support between the inner wall bottom of the protective shell 7 and the lower surface of the tank body 101, so as to enhance the stability of the connection between the protective shell 7 and the tank body 101.
[0035] Referring to Figure 2 and Figure 4 , the outer wall of the tank body 101 is fixedly connected with a plurality of buffer columns 9, and the end of the buffer column 9 away from the tank body 101 is fixedly connected with the inner wall of the protective shell 7.
[0036] In the specific implementation process, the plurality of buffer columns 9 are uniformly supported between the inner wall of the protective shell 7 and the outer wall of the tank body 101. The buffer column 9 is made of rubber material. When the application is poured, the buffer column 9 can absorb part of the vibration and external force, so as to further protect the tank body 101.
[0037] The working principle of the on-site sampling and testing device for sulfur hexafluoride gas provided by the utility model is as follows:
[0038] When in use, before sampling, the vacuum pump 5 on the device is used to perform vacuumizing treatment on the collecting bag 4 installed inside the sampling tank 1, and residual gas in the collecting bag 4 is removed, so as to ensure that the sampling environment is pure and non-polluted, the control valve 2 is opened, the sampling tank 1 is connected with the equipment to be detected, the sulfur hexafluoride gas enters the collecting bag 4, in the sampling process, when the collecting bag 4 expands, the pressure balance valve 6 is used to dynamically adjust the pressure inside and outside the tank body 101, so as to prevent the pressure difference from affecting the collecting effect of the collecting bag 4 on the gas, the pressure gauge 11 on the top of the tank body 101 is used to monitor the pressure change inside the collecting bag 4 in real time, so as to ensure that the sampling process runs in a safe range and the sampling accuracy is ensured, after sampling is completed, the control valve 2 is closed, and the sulfur hexafluoride tester 3 can be used to test the purity of sulfur hexafluoride in the sampled gas and other parameters, the on-site sampling and testing device for sulfur hexafluoride gas is used to sample the gas by arranging the collecting bag 4 inside the sampling tank 1, when the vacuum pump 5 is used to perform vacuumizing, it can ensure that there is no residual gas interference in the sampling process, so as to improve the purity of the sampled gas, so as to ensure the accuracy and reliability of the test data, and the situation that the vacuumizing effect is not ideal due to the structural limitation of the sampling bottle and the situation that the residual waste gas in the sampling bottle affects the accuracy of the detection data are avoided as much as possible, and the present application is more beneficial to actual use.
[0039] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields by using the contents of the utility model specification and drawings is also included in the patent protection range of the utility model.
Claims
1. A device for field sampling and testing of sulfur hexafluoride gas, characterized in that, Include: The sampling tank (1) is fixedly connected with control valve (2) and sulfur hexafluoride tester (3), the sulfur hexafluoride tester (3) is located on the side of control valve (2); Collecting bag (4) is fixedly arranged on the inner wall top of the sampling tank (1), the inside of collecting bag (4) is communicated with control valve (2) and sulfur hexafluoride tester (3);And Vacuum pump (5) is fixedly arranged on the sampling tank (1), and is communicated with the inside of collecting bag (4).
2. The sulfur hexafluoride gas field sampling test device of claim 1, wherein, The sampling tank (1) includes tank body (101) fixedly connected with the bottom end of control valve (2), collecting bag (4) is located in the inside of tank body (101), the tank body (101) is provided with installation hole (102) and communication hole (103) penetrating the tank body (101), the bottom end of sulfur hexafluoride tester (3) is located in the inside of installation hole (102), the bottom end of vacuum pump (5) is communicated with communication hole (103).
3. The sulfur hexafluoride gas field sampling test device of claim 2, wherein, One side of the tank body (101) is fixedly connected with the pressure balance valve (6) penetrating the tank body (101).
4. The sulfur hexafluoride gas field sampling test device of claim 2, wherein, The top of the tank body (101) is fixedly connected with the pressure gauge (11) penetrating the tank body (101), and the pressure gauge (11) is communicated with the inside of collecting bag (4).
5. The sulfur hexafluoride gas field sampling test device of claim 3, wherein, The outer wall of the tank body (101) is fixedly connected with the protective shell (7), the protective shell (7) is located below the pressure balance valve (6), and the lower surface of the protective shell (7) is fixedly connected with the anti-skid pad (10).
6. The sulfur hexafluoride gas field sampling test device of claim 5, wherein, The lower surface of the tank body (101) is uniformly fixedly connected with a plurality of supporting columns (8), and the lower end surface of the supporting column (8) is fixedly connected with the inner wall bottom of the protective shell (7).
7. The sulfur hexafluoride gas field sampling test device of claim 5, wherein, The outer wall of the tank body (101) is uniformly fixedly connected with a plurality of buffer columns (9), and the end, away from the tank body (101), of the buffer column (9) is fixedly connected with the inner wall of the protective shell (7).