CN221121170U - Exhaust valve installation checking system - Google Patents
Exhaust valve installation checking system Download PDFInfo
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- CN221121170U CN221121170U CN202323224121.8U CN202323224121U CN221121170U CN 221121170 U CN221121170 U CN 221121170U CN 202323224121 U CN202323224121 U CN 202323224121U CN 221121170 U CN221121170 U CN 221121170U
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- 238000009434 installation Methods 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 claims description 68
- 238000012795 verification Methods 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 14
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The utility model discloses an exhaust valve installation checking system, which comprises an exhaust fan, an air outlet pipe connected with an air outlet at the upper end of the exhaust fan, an air inlet pipe connected with an air inlet at the right end of the exhaust fan, a vertical exhaust pipe group connected with the air inlet pipe and a horizontal exhaust pipe group connected with the vertical exhaust pipe group, wherein the air outlet pipe is connected with the air inlet at the right end of the exhaust fan; the upper end of the air outlet pipe is communicated with the atmosphere, and the right end of the horizontal exhaust pipe group is communicated with the atmosphere; and a plurality of PHWE wind measuring devices and valve components to be measured are arranged in the pipelines of the vertical exhaust pipe group and the horizontal exhaust pipe group. The utility model can obtain the ventilation quantity, ventilation efficiency and the like of various valves in actual operation by combining the PHWE wind measuring equipment with the calculation of a remote computer, and can screen the quality of the exhaust valve. Meanwhile, the opening of the air valve is regulated by the regulating rod, so that the opening of the air exhaust valve under the actual working condition can be accurately calibrated, and further the ventilation of a laboratory can be accurately controlled.
Description
Technical Field
The utility model relates to an exhaust valve installation checking system, and belongs to the technical field of valve detection.
Background
The ventilation system of the laboratory is one of the important concerns in the whole laboratory design and construction process, and has important influence on the comfort level of laboratory environment, the physical health of laboratory staff, the operation and maintenance of experimental equipment and the like, wherein the selection and the installation of the exhaust valve in the ventilation system are related to the effective operation of the laboratory, energy conservation and consumption reduction. The exhaust valve used in the laboratory ventilation system plays a key role in the whole laboratory ventilation system, and the exhaust valve of a good laboratory ventilation system pipeline is convenient to install, good in exhaust effect, and capable of timely exhausting waste gas generated in a laboratory, so that physical and mental health of laboratory staff is guaranteed. However, the fish-dragons of various exhaust valve manufacturers in the current market are mixed, and the problems that the quality of the exhaust valve is poor and the exhaust valve cannot work normally are often found after the exhaust valve is installed in a laboratory system; meanwhile, due to the difference of actual working conditions, the exhaust air quantity actually used after the exhaust valve is installed is often different from the exhaust air quantity of the opening degree of the factory valve; therefore, based on the above problems, it is necessary to perform quality detection and recalibration of the exhaust valve.
Disclosure of utility model
In order to improve the quality of an exhaust valve in an exhaust system and accurately calibrate the opening of the exhaust valve under the actual working condition, the utility model provides the following technical scheme:
An exhaust valve installation checking system comprises an exhaust fan, an air outlet pipe connected with an air outlet at the upper end of the exhaust fan, an air inlet pipe connected with an air inlet at the right end of the exhaust fan, a vertical exhaust pipe group connected with the air inlet pipe and a horizontal exhaust pipe group connected with the vertical exhaust pipe group; the upper end of the air outlet pipe is communicated with the atmosphere, and the right end of the horizontal exhaust pipe group is communicated with the atmosphere; and a plurality of PHWE wind measuring devices and valve components to be measured are arranged in the pipelines of the vertical exhaust pipe group and the horizontal exhaust pipe group.
Further, the vertical exhaust pipe group comprises a first corner exhaust pipe connected with the right end of the air inlet pipe, a vertical exhaust pipe connected with the lower end of the first corner exhaust pipe and a vertical test pipe connected with the lower end of the vertical exhaust pipe; the horizontal exhaust pipe group comprises a second corner exhaust pipe connected with the lower end of the vertical test pipe, a horizontal exhaust pipe connected with the right end of the second corner exhaust pipe, a horizontal test pipe connected with the right end of the horizontal exhaust pipe, and an air suction pipe connected with the right end of the horizontal test pipe.
Further, the valve component to be tested is arranged in the horizontal test tube and comprises two groups of mounting brackets fixed on the inner wall of the horizontal test tube, a valve to be tested arranged between the two groups of mounting brackets and an adjusting unit penetrating through the wall of the horizontal test tube; the mounting bracket consists of a plurality of supporting rods with bent tail ends, and the bent tail ends of the mounting bracket are fixedly connected with the inner wall of the horizontal test tube through fixing pieces; the middle part of the valve to be tested is a control valve rod.
Further, the adjusting unit comprises an installing table arranged on the outer wall of the horizontal test tube, a rotating shaft and a rotating wheel which are arranged on the installing table, and an adjusting rod which penetrates through the tube wall of the horizontal test tube; the mounting table is fixed on the outer wall of the horizontal test tube through a fixing piece, a rectangular groove is formed in the middle of the mounting table, the rotating wheel is arranged in the rectangular groove, and the rotating shaft penetrates through the center of the rotating wheel and is arranged on the mounting table through a bearing; a through groove is formed in the outer wall of the horizontal test tube, which corresponds to the rotating wheel, and the adjusting rod penetrates through the through groove and is integrally formed with the rotating wheel; the lower extreme of adjusting the pole with the left end of control valve rod passes through the couple to be connected, first through-hole has been seted up to the regulation pole lower extreme, the second through-hole has been seted up to the left end of control valve rod, through passing first through-hole and second through-hole respectively with the both ends of couple to with regulation pole and control valve rod linkage.
Further, the PHWE wind measuring device is fixed on the inner wall of the horizontal measuring tube through a fixing piece, and the left side and the right side of each valve to be measured are respectively provided with a PHWE wind measuring device for measuring the wind quantity of the left side and the right side of the valve to be measured and transmitting the measured wind quantity to a remote computer.
Further, the horizontal test tube is a reducing tube, so that the valves to be tested with different diameters are installed in the horizontal test tube and have the same inner diameter as the horizontal test tube.
Further, the horizontal test tube is a replaceable bellows to match valves to be tested of different diameters.
Further, the vertical test tube has the same configuration as the horizontal test tube, and a valve assembly to be tested and PHWE wind measuring equipment are arranged in the vertical test tube in the same manner.
Further, the left end outer edge of the first corner exhaust pipe protrudes outwards to form a first mounting flange, the right end outer edge of the air inlet pipe corresponds to the first mounting flange and protrudes outwards to form a second mounting flange, the first mounting flange and the second mounting flange are fixedly connected through a fixing piece, so that the air inlet pipe is fixedly connected with the first corner exhaust pipe, and the upper end air outlet of the air outlet pipe and the air inlet of the exhaust fan, the vertical exhaust pipe group and the horizontal exhaust pipe group are also connected in the same mode.
Further, the exhaust fan is arranged on the building through a fixing frame at the bottom; the bottom of level test tube and aspiration channel is provided with the base for install fixed level test tube and aspiration channel.
The utility model can obtain the ventilation quantity, ventilation efficiency and the like of various valves in actual operation by combining the PHWE wind measuring equipment with the calculation of a remote computer, and can screen the quality of the exhaust valve. Meanwhile, the opening of the air valve is regulated by the regulating rod, so that the opening of the air exhaust valve under the actual working condition can be accurately calibrated, and further the ventilation of a laboratory can be accurately controlled.
Drawings
FIG. 1 is a schematic perspective view of an exhaust valve installation verification system of the present utility model.
FIG. 2 is a perspective view of a horizontal test tube in the exhaust valve installation verification system of the present utility model.
FIG. 3 is a schematic diagram of the assembly of a valve under test and a horizontal test tube in the exhaust valve installation verification system of the present utility model.
FIG. 4 is a schematic diagram illustrating the assembly of an air inlet pipe and a first corner exhaust pipe in the exhaust valve installation checking system of the present utility model.
In the figure:
1-exhaust fan, 2-air outlet pipe, 3-air inlet pipe, 4-vertical exhaust pipe group, 5-horizontal exhaust pipe group, 6-valve component to be tested and 7-base;
11-fixing frame, 31 a-second mounting flange, 41 a-first mounting flange, 41-first corner exhaust pipe, 42-vertical exhaust pipe, 43-vertical test pipe, 51 second corner exhaust pipe, 52-horizontal exhaust pipe, 53-horizontal test pipe and 54-air suction pipe;
61-mounting bracket, 63-valve to be measured, 64-adjusting unit, 61 a-supporting rod, 63 a-control valve rod, 64 a-mounting table, 64 b-rotating shaft, 64 c-rotating wheel, 64 d-adjusting rod, 53 a-through groove and 65-hook.
Detailed Description
The technical scheme of the utility model is clearly and completely described in the following by specific embodiments with reference to the accompanying drawings. It should be understood that the described embodiments are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.
Referring to fig. 1 and 2, the exhaust valve installation checking system of the present utility model includes an exhaust fan 1, an air outlet pipe 2 connected to an air outlet at the upper end of the exhaust fan 1, an air inlet pipe 3 connected to an air inlet at the right end of the exhaust fan 1, a vertical exhaust pipe group 4 connected to the air inlet pipe 3, and a horizontal exhaust pipe group 5 connected to the vertical exhaust pipe group 4; the upper end of the air outlet pipe 2 is communicated with the atmosphere, and the right end of the horizontal exhaust pipe group 5 is communicated with the atmosphere; and a plurality of PHWE wind measuring devices (not shown in the figure) and valve assemblies 6 to be measured are arranged in the pipelines of the vertical exhaust pipe group 4 and the horizontal exhaust pipe group 5.
Further, the vertical exhaust pipe group 4 includes a first corner exhaust pipe 41 connected to the right end of the air inlet pipe 3, a vertical exhaust pipe 42 connected to the lower end of the first corner exhaust pipe 41, and a vertical test pipe 43 connected to the lower end of the vertical exhaust pipe 42.
Further, the horizontal exhaust pipe set 5 includes a second corner exhaust pipe 51 connected to the lower end of the vertical test pipe 43, a horizontal exhaust pipe 52 connected to the right end of the second corner exhaust pipe 51, a horizontal test pipe 53 connected to the right end of the horizontal exhaust pipe 52, and an air suction pipe 54 connected to the right end of the horizontal test pipe 53.
With reference to fig. 2 and 3, further, the valve assembly 6 to be tested is disposed in the horizontal test tube 53, and includes two sets of mounting brackets 61 fixed on the inner wall of the horizontal test tube 53, a valve 63 to be tested disposed between the two sets of mounting brackets 61, and an adjusting unit 64 disposed through the tube wall of the horizontal test tube 53; the mounting bracket 61 is composed of a plurality of support rods 61a with bent ends, and the bent ends are fixedly connected with the inner wall of the horizontal test tube 53 through fixing pieces such as screws; the valve 63 to be measured is a valve member disclosed in the prior art, such as a venturi valve or a butterfly valve, and the type thereof is not limited, and the middle part thereof is a control valve rod 63a for adjusting the opening of the valve 63 to be measured.
Further, the adjusting unit 64 includes a mounting table 64a disposed on the outer wall of the horizontal test tube 53, a rotating shaft 64b and a rotating wheel 64c disposed on the mounting table 64a, and an adjusting rod 64d disposed through the tube wall of the horizontal test tube 53;
The mounting table 64a is fixed on the outer wall of the horizontal test tube 53 by a fixing member, such as a screw, a rectangular groove (not shown) is formed in the middle of the mounting table, the rotating wheel 64c is disposed in the rectangular groove, and the rotating shaft 64b passes through the center of the rotating wheel 64c and is disposed on the mounting table 64a by a bearing; a through groove 53a is formed in the outer wall of the horizontal test tube 53 at a position corresponding to the rotating wheel 64c, and the adjusting rod 64d passes through the through groove 53a and is integrally formed with the rotating wheel 64 c; the lower end of the adjusting rod 64d is connected with the left end of the control valve rod 63a through a hook 65, a first through hole (not shown in the figure) is formed in the lower end of the adjusting rod 64d, a second through hole (not shown in the figure) is formed in the left end of the control valve rod 63a, and the two ends of the hook 65 respectively penetrate through the first through hole and the second through hole, so that the adjusting rod 64d is linked with the control valve rod 63a, and the opening of the valve 63 to be measured is adjusted through the adjusting rod 64 d.
Further, the PHWE wind measuring devices (not shown) are fixed on the inner wall of the horizontal measuring tube 53 by fixing members, such as screws, and each of the left and right sides of each of the valves 63 to be measured has a PHWE wind measuring device for measuring the wind volumes of the left and right sides of the valve 63 to be measured and transmitting the measured wind volumes to a remote computer (not shown); the specific structure of the PHWE wind measuring device is disclosed in the prior art and will not be described in detail.
Further, the horizontal test tube 53 is a reducing tube so that the valve 63 to be measured having different diameters is installed in the horizontal test tube 53 to be identical to the inner diameter of the horizontal test tube 53.
Preferably, the horizontal test tube 53 is a replaceable bellows (not shown) to match the diameter of the different valve 63 to be tested.
Further, in connection with fig. 1 and 3, the vertical test tube 43 is identical in configuration to the horizontal test tube 53 and is provided with the valve assembly 6 to be tested and the PHWE wind measuring device therein in the same manner.
Further, referring to fig. 1 and fig. 4, the outer edge of the left end of the first corner exhaust duct 41 protrudes outwards to form a first mounting flange 41a, the outer edge of the right end of the air inlet duct 3 corresponds to the first mounting flange 41a and protrudes outwards to form a second mounting flange 31a, and the first mounting flange 41a and the second mounting flange 31a are fixedly connected by a fixing member, such as a screw, so as to fixedly connect the air inlet duct 3 with the first corner exhaust duct 41, and the upper air outlet of the air outlet duct 2 and the exhaust fan 1, the air inlet of the air inlet duct 3 and the exhaust fan 1, and the vertical exhaust duct set 4 and the horizontal exhaust duct set 3 are also connected in the same manner, which is not described in detail.
Further, the exhaust fan 1 is mounted on a building, such as a roof, through a fixing frame 11 at the bottom.
Further, the bottoms of the horizontal test tube 53 and the air suction pipe 54 are provided with a base 7 for installing and fixing the horizontal test tube 53 and the air suction pipe 54.
When the utility model is used, the exhaust fan 1 is opened and then is sucked through the air suction pipe 54, and the sucked air passes through the valve 63 to be tested and PHWE wind measuring equipment; the measured air quantity of the PHWE air measuring equipment is monitored through a remote computer, parameters such as the ventilation rate and ventilation efficiency of the valve 63 to be measured are calculated, the parameters provided by a supplier of the valve to be measured are compared, the compared products are qualified products, and the inconsistent products are unqualified products, so that the quality of the exhaust valve is screened. Meanwhile, the opening of the valve 63 to be tested can be regulated by controlling the regulating rod 64d, and the accurate opening and closing of the valve 63 to be tested can be debugged again in combination with the air quantity measured by the PHWE air measuring equipment, so that the ventilation of a laboratory can be accurately controlled.
The foregoing detailed description of the preferred embodiments has been presented for purposes of illustration and description, but it should be understood that the utility model is not limited to the particular embodiments disclosed, but is intended to cover all modifications, equivalents, alternatives, and modifications falling within the spirit and principles of the utility model.
Claims (10)
1. The exhaust valve installation verification system is characterized by comprising an exhaust fan, an air outlet pipe connected with an air outlet at the upper end of the exhaust fan, an air inlet pipe connected with an air inlet at the right end of the exhaust fan, a vertical exhaust pipe group connected with the air inlet pipe and a horizontal exhaust pipe group connected with the vertical exhaust pipe group; the upper end of the air outlet pipe is communicated with the atmosphere, and the right end of the horizontal exhaust pipe group is communicated with the atmosphere; and a plurality of PHWE wind measuring devices and valve components to be measured are arranged in the pipelines of the vertical exhaust pipe group and the horizontal exhaust pipe group.
2. The exhaust valve installation checking system according to claim 1, wherein the vertical exhaust pipe group comprises a first corner exhaust pipe connected to the right end of the air inlet pipe, a vertical exhaust pipe connected to the lower end of the first corner exhaust pipe, and a vertical test tube connected to the lower end of the vertical exhaust pipe; the horizontal exhaust pipe group comprises a second corner exhaust pipe connected with the lower end of the vertical test pipe, a horizontal exhaust pipe connected with the right end of the second corner exhaust pipe, a horizontal test pipe connected with the right end of the horizontal exhaust pipe, and an air suction pipe connected with the right end of the horizontal test pipe.
3. The exhaust valve installation verification system according to claim 2, wherein the valve assembly to be tested is arranged in the horizontal test tube, and comprises two groups of mounting brackets fixed on the inner wall of the horizontal test tube, a valve to be tested arranged between the two groups of mounting brackets and an adjusting unit arranged through the wall of the horizontal test tube; the mounting bracket consists of a plurality of supporting rods with bent tail ends, and the bent tail ends of the mounting bracket are fixedly connected with the inner wall of the horizontal test tube through fixing pieces; the middle part of the valve to be tested is a control valve rod.
4. The exhaust valve installation checking system according to claim 3, wherein the adjusting unit comprises an installation table arranged on the outer wall of the horizontal test tube, a rotating shaft and a rotating wheel arranged on the installation table, and an adjusting rod arranged through the tube wall of the horizontal test tube; the mounting table is fixed on the outer wall of the horizontal test tube through a fixing piece, a rectangular groove is formed in the middle of the mounting table, the rotating wheel is arranged in the rectangular groove, and the rotating shaft penetrates through the center of the rotating wheel and is arranged on the mounting table through a bearing; a through groove is formed in the outer wall of the horizontal test tube, which corresponds to the rotating wheel, and the adjusting rod penetrates through the through groove and is integrally formed with the rotating wheel; the lower extreme of adjusting the pole with the left end of control valve rod passes through the couple to be connected, first through-hole has been seted up to the regulation pole lower extreme, the second through-hole has been seted up to the left end of control valve rod, through passing first through-hole and second through-hole respectively with the both ends of couple to with regulation pole and control valve rod linkage.
5. The exhaust valve installation verification system according to claim 4, wherein the PHWE wind measuring devices are fixed on the inner wall of the horizontal measuring tube through fixing pieces, and each of the left and right sides of each valve to be measured is provided with a PHWE wind measuring device for measuring the wind volumes of the left and right sides of the valve to be measured and transmitting the measured wind volumes to the remote computer.
6. The exhaust valve installation verification system of claim 5, wherein the horizontal test tube is a reducer tube such that the valve under test of different diameters fits within the horizontal test tube with the same inside diameter of the horizontal test tube.
7. The exhaust valve installation verification system of claim 5, wherein the horizontal test tube is a replaceable bellows to match valves of different diameters to be tested.
8. The exhaust valve installation verification system of claim 6 or 7, wherein the vertical test tube is identical in configuration to the horizontal test tube and in the same way a valve assembly to be tested and a PHWE wind measuring device are provided in the vertical test tube.
9. The exhaust valve installation checking system according to claim 3, wherein the left end outer edge of the first corner exhaust pipe protrudes outwards to form a first installation flange, the right end outer edge of the air inlet pipe corresponds to the first installation flange and protrudes outwards to form a second installation flange, the first installation flange is fixedly connected with the second installation flange through a fixing piece, so that the air inlet pipe is fixedly connected with the first corner exhaust pipe, and the air outlet pipe is connected with an upper end air outlet of the exhaust fan, the air inlet pipe is connected with an air inlet of the exhaust fan, and the vertical exhaust pipe group and the horizontal exhaust pipe group in the same manner.
10. The exhaust valve installation verification system according to claim 2, wherein the exhaust fan is installed on a building through a fixing frame at the bottom; the bottom of level test tube and aspiration channel is provided with the base for install fixed level test tube and aspiration channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323224121.8U CN221121170U (en) | 2023-11-28 | 2023-11-28 | Exhaust valve installation checking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323224121.8U CN221121170U (en) | 2023-11-28 | 2023-11-28 | Exhaust valve installation checking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221121170U true CN221121170U (en) | 2024-06-11 |
Family
ID=91372178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323224121.8U Active CN221121170U (en) | 2023-11-28 | 2023-11-28 | Exhaust valve installation checking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221121170U (en) |
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2023
- 2023-11-28 CN CN202323224121.8U patent/CN221121170U/en active Active
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