CN216718191U - Be applied to calibrating device of photoelectricity method formaldehyde gas detector - Google Patents
Be applied to calibrating device of photoelectricity method formaldehyde gas detector Download PDFInfo
- Publication number
- CN216718191U CN216718191U CN202220118191.1U CN202220118191U CN216718191U CN 216718191 U CN216718191 U CN 216718191U CN 202220118191 U CN202220118191 U CN 202220118191U CN 216718191 U CN216718191 U CN 216718191U
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- Prior art keywords
- formaldehyde
- gas sampling
- gas
- vacuum
- communicating pipe
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 195
- 238000000034 method Methods 0.000 title claims description 7
- 230000005622 photoelectricity Effects 0.000 title claims description 5
- 238000005070 sampling Methods 0.000 claims abstract description 68
- -1 polytetrafluoroethylene Polymers 0.000 claims description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 16
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 16
- 238000005375 photometry Methods 0.000 claims description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 description 102
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
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Abstract
The utility model discloses a calibrating device applied to a photoelectric luminosity formaldehyde gas detector, which relates to the field of formaldehyde gas detectors and comprises a formaldehyde standard gas generating mechanism, wherein a control panel is arranged on the surface of the front end of the formaldehyde standard gas generating mechanism, a vacuum gas sampling box is arranged on the right side of the formaldehyde standard gas generating mechanism, a vacuum box air bag sampler is arranged on the right side of the vacuum gas sampling box, a connecting circular ring is fixedly arranged at the position, close to the bottom, of the right side surface of the formaldehyde standard gas generating mechanism, a display screen is arranged at the position, close to one side, of the front end surface of the control panel, and a plurality of groups of control buttons are arranged at the position, close to one side of the display screen, of the front end surface of the control panel; the calibration device applied to the photoelectric photometric formaldehyde gas detector can realize the value tracing of the photoelectric photometric formaldehyde gas detector, has small volume, low cost, stability and reliability, and is not influenced by the output flow of the formaldehyde gas generator.
Description
Technical Field
The utility model relates to the field of formaldehyde gas detectors, in particular to a calibration device applied to a formaldehyde gas detector by a photoelectric photometry method.
Background
The formaldehyde gas detector is used for measuring the content of formaldehyde gas in an indoor environment, when the formaldehyde gas passes through the detection unit, the color of paper soaked with a color former in the detection unit is changed from white to yellow due to chemical reaction, the change of the intensity of reflected light caused by the degree of color change and the concentration of formaldehyde are in a functional relation, the concentration of formaldehyde is measured according to the change rate of the intensity of the reflected light, and a numerical value is read when the instrument reaches the reaction time of test paper.
The calibration device applied to the photoelectric photometric formaldehyde gas detector is large in size, high in cost and easy to be influenced by the output flow of the formaldehyde gas generation device, and therefore the calibration device applied to the photoelectric photometric formaldehyde gas detector is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a calibration device applied to a formaldehyde gas detector by a photoelectric photometry method, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be applied to calibrating device of photoelectricity luminosity formaldehyde gas detector, marks gas including formaldehyde and takes place the mechanism, formaldehyde marks gas and takes place mechanism front end surface mounting and has control panel, and formaldehyde marks the right-hand vacuum gas sampling case that is provided with of gas generation mechanism, the right-hand vacuum gas sampling case that is provided with of vacuum gas sampling case, formaldehyde marks gas and takes place the mechanism right flank and is close to bottom position fixed mounting and have the connection ring.
As a further scheme of the utility model, a display screen is arranged on the position, close to one side, of the front end surface of the control panel, and a plurality of groups of control buttons are arranged on the position, close to one side of the display screen, of the front end surface of the control panel.
As a further scheme of the utility model, one side of the vacuum gas sampling box is provided with a first communicating pipe, the other side of the vacuum gas sampling box is provided with a second communicating pipe, the first communicating pipe is provided with a first valve, and the first communicating pipe is provided with a second valve.
As a further scheme of the utility model, one end of the second communicating pipe, which is far away from the vacuum gas sampling box, is connected with a polytetrafluoroethylene long pipe, and one end of the polytetrafluoroethylene long pipe, which is far away from the second communicating pipe, is arranged inside the connecting ring.
As a further scheme of the utility model, one end of the first communicating pipe, which is far away from the vacuum gas sampling box, is connected with a polytetrafluoroethylene short pipe, and one end of the polytetrafluoroethylene short pipe, which is far away from the communicating pipe, is connected with the vacuum box gas bag sampler.
As a further scheme of the utility model, an L-shaped gas sampling bag is arranged at the bottom end inside the vacuum gas sampling box, one end of the L-shaped gas sampling bag is connected with a third communicating pipe, a third valve is arranged on the third communicating pipe, and one end of the third communicating pipe, which is far away from the L-shaped gas sampling bag, penetrates through the vacuum gas sampling box and is connected with one end of the second communicating pipe.
As a further scheme of the utility model, a box cover is arranged on the upper end surface of the vacuum gas sampling box close to the edge, a connecting shaft is arranged between one side of the box cover and the upper end surface of the vacuum gas sampling box, a clamping block is arranged on the outer side surface of the box cover close to the edge, and a clamping groove matched with the clamping block is arranged on the upper end surface of the vacuum gas sampling box close to the edge.
Compared with the prior art, the utility model has the beneficial effects that: the formaldehyde standard gas generating mechanism leads the L gas sampling bag into the formaldehyde standard gas, when the L gas sampling bag is full of the formaldehyde standard gas, the gas valve III is closed, the vacuum box gas bag sampler is opened to inflate the vacuum gas sampling box, so that the formaldehyde standard gas in the L gas sampling bag is completely removed, then the standard gas is led in, the formaldehyde standard gas is removed again for three times continuously, the L gas sampling bag is filled with the standard gas for the last time, the extraction opening of a calibrated instrument is connected with the valve III, the formaldehyde gas in the gas bag is detected, the formaldehyde detector is calibrated according to the standard formaldehyde concentration value, through the operation, the magnitude traceability of the photoelectric photometric formaldehyde detector can be realized, the size is small, the cost is low, the stability and the reliability are realized, and the influence of the output flow of the formaldehyde gas generating device is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a formaldehyde standard gas generating mechanism and a control panel structure according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of the vacuum gas sampling system according to the present invention;
fig. 4 is a top view of the present invention.
In the figure: 1. a formaldehyde standard gas generating mechanism; 2. a control panel; 3. a display screen; 4. a control button; 5. connecting the circular rings; 6. a polytetrafluoroethylene long tube; 7. a first valve; 8. a second valve; 9. a polytetrafluoroethylene short tube; 10. a vacuum box air bag sampler; 11. a vacuum gas sampling box; 12. a box cover; 13. a clamping block; 14. a card slot; 15. an engagement shaft; 16. a 10L gas sampling bag; 17. a third valve; 18. a first communicating pipe; 19. a second communicating pipe; 20. and a third communicating pipe.
Detailed Description
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a be applied to calibrating device of photoelectricity method formaldehyde gas detector, includes that formaldehyde mark gas takes place mechanism 1, and 1 front end surface mounting of formaldehyde mark gas takes place mechanism has control panel 2, and 1 right-hand vacuum gas sampling box 11 that is provided with of formaldehyde mark gas takes place mechanism, and 11 right-hand vacuum gas sampling boxes that are provided with of vacuum gas sampling box 10, 1 right side of formaldehyde mark gas takes place mechanism and is close to bottom position fixed mounting and have connection ring 5.
2 front end surfaces of control panel are close to one side position and install display screen 3, and 2 front end surfaces of control panel are close to 3 one side positions of display screen and are provided with a plurality of groups control button 4, and 3 cooperation control button 4 of display screen through setting up on the control panel 2 can export three kinds of different concentration formaldehyde standard gases.
A first communicating pipe 18 is installed on one side of the vacuum gas sampling box 11, a second communicating pipe 19 is installed on the other side of the vacuum gas sampling box, a first valve 7 is installed on the first communicating pipe 18, a second valve 8 is installed on the first communicating pipe 18, one end, far away from the vacuum gas sampling box 11, of the second communicating pipe 19 is connected with a polytetrafluoroethylene long pipe 6, one end, far away from the second communicating pipe 19, of the polytetrafluoroethylene long pipe 6 is arranged inside the connecting ring 5, one end, far away from the vacuum gas sampling box 11, of the first communicating pipe 18 is connected with a polytetrafluoroethylene short pipe 9, and one end, far away from the first communicating pipe 18, of the polytetrafluoroethylene short pipe 9 is connected with the vacuum box air bag sampler 10; a 10L gas sampling bag 16 is arranged at the bottom end inside the vacuum gas sampling box 11, one end of the 10L gas sampling bag 16 is connected with a third communicating pipe 20, a third valve 17 is arranged on the third communicating pipe 20, and one end, far away from the 10L gas sampling bag 16, of the third communicating pipe 20 penetrates through the vacuum gas sampling box 11 and is connected with one end of a second communicating pipe 19;
specifically, when the vacuum box air bag sampler is used, the vacuum gas sampling box 11 is inflated by opening the vacuum box air bag sampler 10, so that the formaldehyde standard gas in the 10L gas sampling bag 16 can be completely removed.
A box cover 12 is arranged on the upper end surface of the vacuum gas sampling box 11 close to the edge, a connecting shaft 15 is arranged between one side of the box cover 12 and the upper end surface of the vacuum gas sampling box 11, a clamping block 13 is arranged on the outer side surface of the box cover 12 close to the edge, and a clamping groove 14 matched with the clamping block 13 is formed in the upper end surface of the vacuum gas sampling box 11 close to the edge;
specifically, when the vacuum gas sampling box is used, the box cover 12 is rotated through the connecting shaft 15, so that the clamping block 13 is clamped into the clamping groove 14, and the inside of the vacuum gas sampling box 11 is in a vacuum state.
The specific implementation mode of the utility model is as follows: a formaldehyde standard gas generating mechanism 1 is connected to a vacuum gas sampling box 11 through a polytetrafluoroethylene long tube 6 in a matching way with a communicating tube II 19, three formaldehyde standard gases with different concentrations can be output through a display screen 3 arranged on a control panel 2 in a matching way with a control button 4, three concentration values are respectively connected with three different vacuum gas sampling boxes 11, 10L gas sampling bags 16 are respectively placed in the three vacuum gas sampling boxes 11, one end of a communicating tube III 20 arranged on one side of each gas sampling bag 16 is connected with one end of the communicating tube II 19, a valve III 17 is connected with a valve I7, one end of a polytetrafluoroethylene short tube 9 arranged on one side of each vacuum box air bag sampler 10 is connected with one end of a communicating tube I18, the vacuum box air bag sampler 10 is connected with the valve II 8, then a box cover 12 is rotated through a connecting shaft 15, a clamping block 13 is clamped into a clamping groove 14, and the inside of the vacuum gas sampling box 11 is in a vacuum state, then the formaldehyde standard gas generating mechanism 1 leads the 10L gas sampling bags into the formaldehyde standard gas, when the sampling bags are full of formaldehyde standard gas, the gas valve III 17 is closed, the vacuum box gas bag sampler 10 is opened to charge the vacuum gas sampling box 11, so that the formaldehyde standard gas in the 10L gas sampling bags 16 is completely removed, then the standard gas is led in, and then the standard gas is removed, the operation is carried out for three times continuously, the 10L gas sampling bags 16 are full of the standard gas for the last time, the extraction opening of the calibrated instrument is connected with the valve III 17, the formaldehyde gas in the gas bags is detected, and the formaldehyde detector is calibrated according to the standard formaldehyde concentration value.
Claims (7)
1. The utility model provides a be applied to calibrating device of gaseous detector of photoelectricity luminosity formaldehyde, mark gas including formaldehyde and take place mechanism (1), its characterized in that, formaldehyde mark gas takes place mechanism (1) front end surface mounting has control panel (2), and formaldehyde marks gas and takes place mechanism (1) the right-hand vacuum gas sampling box (11) that is provided with, the right-hand vacuum box air pocket sample thief (10) that is provided with of vacuum gas sampling box (11), formaldehyde mark gas and takes place mechanism (1) right flank and be close to bottom position fixed mounting and have connection ring (5).
2. The calibration device applied to the formaldehyde gas detector adopting the photoelectric photometry method as claimed in claim 1, wherein a display screen (3) is installed on the front end surface of the control panel (2) near one side, and a plurality of groups of control buttons (4) are arranged on the front end surface of the control panel (2) near one side of the display screen (3).
3. The calibration device applied to the photoelectric photometric formaldehyde gas detector according to claim 2, wherein the vacuum gas sampling box (11) is provided with a first communicating pipe (18) at one side and a second communicating pipe (19) at the other side, the first communicating pipe (18) is provided with the first valve (7), and the first communicating pipe (18) is provided with the second valve (8).
4. The calibration device applied to the formaldehyde gas detector by the photoelectric photometry method as claimed in claim 3, wherein one end of the second communication pipe (19) far away from the vacuum gas sampling box (11) is connected with a polytetrafluoroethylene long pipe (6), and one end of the polytetrafluoroethylene long pipe (6) far away from the second communication pipe (19) is arranged inside the connecting ring (5).
5. The calibration device applied to the photoelectric photometric formaldehyde gas detector is characterized in that a polytetrafluoroethylene short pipe (9) is connected to one end of the first communicating pipe (18) far away from the vacuum gas sampling box (11), and one end of the polytetrafluoroethylene short pipe (9) far away from the first communicating pipe (18) is connected with the vacuum box air bag sampler (10).
6. The calibration device applied to the photoelectric photometric formaldehyde gas detector according to claim 5, wherein a 10L gas sampling bag (16) is arranged at the bottom end inside the vacuum gas sampling box (11), a third communicating pipe (20) is connected to one end of the 10L gas sampling bag (16), a third valve (17) is installed on the third communicating pipe (20), and one end, far away from the 10L gas sampling bag (16), of the third communicating pipe (20) penetrates through the vacuum gas sampling box (11) and is connected with one end of a second communicating pipe (19).
7. The calibrating device applied to the photoelectric photometric formaldehyde gas detector according to claim 6, wherein a cover (12) is disposed on the upper end surface of the vacuum gas sampling box (11) near the edge, an engaging shaft (15) is installed between one side of the cover (12) and the upper end surface of the vacuum gas sampling box (11), a clamping block (13) is installed on the outer side surface of the cover (12) near the edge, and a clamping groove (14) engaged with the clamping block (13) is formed on the upper end surface of the vacuum gas sampling box (11) near the edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220118191.1U CN216718191U (en) | 2022-01-17 | 2022-01-17 | Be applied to calibrating device of photoelectricity method formaldehyde gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220118191.1U CN216718191U (en) | 2022-01-17 | 2022-01-17 | Be applied to calibrating device of photoelectricity method formaldehyde gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718191U true CN216718191U (en) | 2022-06-10 |
Family
ID=81891515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220118191.1U Expired - Fee Related CN216718191U (en) | 2022-01-17 | 2022-01-17 | Be applied to calibrating device of photoelectricity method formaldehyde gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216718191U (en) |
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2022
- 2022-01-17 CN CN202220118191.1U patent/CN216718191U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |