CN212319410U - Negative oxygen ion standard source air supplement unit - Google Patents
Negative oxygen ion standard source air supplement unit Download PDFInfo
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- CN212319410U CN212319410U CN202020850006.9U CN202020850006U CN212319410U CN 212319410 U CN212319410 U CN 212319410U CN 202020850006 U CN202020850006 U CN 202020850006U CN 212319410 U CN212319410 U CN 212319410U
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- oxygen ion
- negative oxygen
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Abstract
The utility model discloses a negative oxygen ion standard source air supplement unit. This air supplement unit includes: the device comprises a gas supply module, a mass flow controller, a gas supply joint and a gas pipeline; the gas outlet of the gas supply module is communicated with the input end of the mass flow controller through a gas pipeline, the gas supply module is used for providing gas, the output end of the mass flow controller is communicated with the gas supply connector through a gas pipeline, and the gas supply connector can also be communicated with the sampling gas inlet of the negative oxygen ion detection instrument and the gas outlet of the negative oxygen ion standard source. The utility model discloses a negative oxygen ion standard source air supplement unit is through providing the supplementary gas of flow adjustable, can realize the negative oxygen ion detecting instrument and the negative oxygen ion standard source of different work flow and pair the use, guarantees the calibration accuracy of negative oxygen ion detecting instrument, improves the measurement accuracy of negative oxygen ion detecting instrument after the calibration, can also save equipment cost simultaneously.
Description
Technical Field
The utility model relates to an environment check out test set technical field especially relates to a negative oxygen ion standard source air supplement unit.
Background
The negative oxygen ions are the general name of single gas molecules and light ion groups with negative charges in the air, and are also called as air negative ions, and the concentration detection of the negative oxygen ions is usually realized by adopting a negative oxygen ion detection instrument. In order to ensure the concentration detection precision of the negative oxygen ions, the negative oxygen ion detection instrument needs to be calibrated after being used for a period of time.
At present, when calibrating the negative oxygen ion detecting instrument, the negative oxygen ion generator is required to be used as a negative oxygen ion standard source to provide negative oxygen ions with standard concentration to the negative oxygen ion detecting instrument, so as to complete the calibration of the negative oxygen ion detecting instrument. In order to ensure the calibration accuracy of the negative oxygen ion detection instrument, the working flow of the negative oxygen ion detection instrument is required to be consistent with the working flow of the negative oxygen ion standard source as much as possible. However, the working flow of the conventional negative oxygen ion detecting instrument is large, usually 8L/min to 20L/min, and the working flow of the negative oxygen ion generator is small, usually 0.3L/min to 2L/min, when the negative oxygen ion generator with the working flow different from that of the negative oxygen ion detecting instrument is used as the standard negative oxygen ion source for calibration, the calibration accuracy cannot be ensured, and the calibrated negative oxygen ion detecting instrument may have measurement deviation in subsequent use.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem existing in the prior art, the utility model provides a negative oxygen ion standard source air supplement unit.
Therefore, the utility model discloses a negative oxygen ion standard source air supplement unit, the device includes: the device comprises a gas supply module, a mass flow controller, a gas supply joint and a gas pipeline;
the gas outlet of gas supply module passes through gas piping with mass flow controller's input intercommunication, the gas supply module is used for providing gas, mass flow controller's output passes through gas piping with the tonifying qi connects the intercommunication, the tonifying qi connects the gas outlet intercommunication that can also with negative oxygen ion detecting instrument's sampling air inlet and negative oxygen ion standard source.
Further, in the above negative oxygen ion standard source air supplement device, the device further comprises a three-way joint, the output end of the mass flow controller is communicated with one joint of the three-way joint, the air supplement joint is provided with a first joint, a second joint, a third joint and a fourth joint which are orthogonally arranged, the first joint is over against the fourth joint, the second joint is over against the third joint, the other two joints of the three-way joint are respectively communicated with the second joint and the third joint, the first joint can be communicated with the air outlet of the negative oxygen ion standard source, and the fourth joint can be communicated with the sampling air inlet of the negative oxygen ion detector.
Further, in the above negative oxygen ion standard source gas supplementing device, a metal pipe is installed on the first joint of the gas supplementing joint, an outer end of the metal pipe is used for connecting a gas outlet of the negative oxygen ion standard source, and an inner port of the metal pipe and an inner port of the fourth joint are located on the same plane.
Further, in the negative oxygen ion standard source gas supplementing device, the metal pipe is made of aluminum alloy.
Further, in the negative oxygen ion standard source air supplementing device, the air supplementing joint is made of nylon.
Further, in the above negative oxygen ion standard source air supplement device, the device further comprises a pressure reducing valve, and an inlet and an outlet of the pressure reducing valve are respectively communicated with an air outlet of the air supply module and an input end of the mass flow controller.
Further, in the above negative oxygen ion standard source gas supplementing device, a display instrument is arranged on the mass flow controller, and the display instrument is used for displaying the flow of the mass flow controller.
Further, in the negative oxygen ion standard source air supplement device, the air supply module is a nitrogen cylinder.
The utility model discloses technical scheme's main advantage as follows:
the negative oxygen ion standard source air supplement device of the utility model can realize the pairing use of the negative oxygen ion detecting instrument with different working flow rates and the negative oxygen ion standard source by providing the supplementary gas with adjustable flow rate, thereby ensuring the calibration precision of the negative oxygen ion detecting instrument and improving the measurement precision of the calibrated negative oxygen ion detecting instrument; meanwhile, the matching use of one negative oxygen ion standard source and various different negative oxygen ion detection instruments can be realized, and the equipment cost is effectively saved.
Drawings
The accompanying drawings, which are set forth herein, serve to provide a further understanding of the embodiments of the present invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are illustrative of the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic structural view of a negative oxygen ion standard source gas supply device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of another negative oxygen ion standard source gas supply device according to an embodiment of the present invention;
FIG. 3 is a sectional view of the gas supply joint of the standard negative oxygen ion source gas supply device shown in FIG. 2.
Description of reference numerals:
1-gas supply module, 2-mass flow controller, 3-gas supply joint, 31-first joint, 32-second joint, 33-third joint, 34-fourth joint, 4-gas pipeline, 5-three-way joint, 6-metal tube, 7-display instrument, 8-negative oxygen ion detector and 9-negative oxygen ion standard source.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The technical solution provided by the embodiments of the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides a negative oxygen ion standard source air supplement device, which includes: the device comprises a gas supply module 1, a mass flow controller 2, a gas supply joint 3 and a gas pipeline 4; the gas outlet of the gas supply module 1 is communicated with the input end of the mass flow controller 2 through the gas pipeline 4, the gas supply module 1 is used for providing gas, the output end of the mass flow controller 2 is communicated with the gas supply connector 3 through the gas pipeline 4, and the gas supply connector 3 can also be communicated with the sampling gas inlet of the negative oxygen ion detection instrument 8 and the gas outlet of the negative oxygen ion standard source 9.
The working principle of the negative oxygen ion standard source air supplement device provided by the embodiment of the utility model is specifically explained as follows:
specifically, when the negative oxygen ion standard source air supplement device is used, the working flow of a negative oxygen ion detection instrument 8 and a negative oxygen ion standard source 9 is determined firstly, the air supply flow of an air supply module 1 is calculated and determined according to the working flow of the negative oxygen ion detection instrument 8 and the negative oxygen ion standard source 9, then an air supplement joint 3 is communicated with a sampling air inlet of the negative oxygen ion detection instrument 8 and an air outlet of the negative oxygen ion standard source 9, and a mass flow controller 2 is adjusted according to the determined air supply flow, so that the flow of the mass flow controller 2 is the same as the air supply flow; wherein, the air supply flow is equal to the difference value between the working flow of the negative oxygen ion detecting instrument 8 and the working flow of the negative oxygen ion standard source 9. Therefore, pure supplementary gas is provided by the negative oxygen ion standard source gas supplementing device, so that the supplementary gas and ions provided by the negative oxygen ion standard source 9 enter the negative oxygen ion detecting instrument 8 at the same time, and the negative oxygen ion detecting instrument 8 and the negative oxygen ion standard source 9 with different working flows are used in a matched mode; and the pure supplementary gas is not mixed with negatively charged particles, and the calibration of the negative oxygen ion detection instrument 8 is not influenced.
As shown in fig. 2 and 3, an embodiment of the present invention further provides another negative oxygen ion standard source air supplement device, the device further includes a three-way joint 5, the output end of the mass flow controller 2 is communicated with a joint of the three-way joint 5, the air supplement joint 3 is provided with a first joint 31, a second joint 32, a third joint 33 and a fourth joint 34 which are orthogonally arranged, the first joint 31 is directly opposite to the fourth joint 34, the second joint 32 is directly opposite to the third joint 33, the other two joints of the three-way joint 5 are respectively communicated with the second joint 32 and the third joint 33, the first joint 31 can be communicated with the air outlet of the negative oxygen ion standard source 9, and the fourth joint 34 can be communicated with the sampling air inlet of the negative oxygen ion detection instrument 8.
So set up, can divide into two the tunnel with the tonifying qi gas to carry out the tonifying qi respectively from two just right directions, make the tonifying qi flow more gentle, thereby make the flow that gets into negative oxygen ion detecting instrument 8 steady, avoid influencing negative oxygen ion detecting instrument 8's calibration process because the unilateral too big air current influences the ion concentration of negative oxygen ion standard source 9 output.
Further, as shown in fig. 3, in an embodiment of the present invention, the metal tube 6 can be installed on the first joint 31 of the air make-up joint 3, the outer end of the metal tube 6 is used for connecting the air outlet of the negative oxygen ion standard source 9, and the inner port of the metal tube 6 and the inner port of the fourth joint 34 are located on the same plane.
By the arrangement, the loss of ions output by the negative oxygen ion standard source 9 in the air supply joint 3 can be reduced to the maximum extent, and the calibration precision of the negative oxygen ion detection instrument 8 is ensured.
Optionally, the metal tube 6 may be made of aluminum alloy; so set up, can reduce the ion loss in tonifying qi joint 3 of negative oxygen ion standard source 9 output, guarantee negative oxygen ion detecting instrument 8's calibration accuracy.
Optionally, in an embodiment of the present invention, the air supply joint 3 may be made of nylon.
Further, the utility model discloses an embodiment, this negative oxygen ion standard source air supplement unit can also include the relief pressure valve, and the import and the export of relief pressure valve communicate with the gas outlet of air feed module 1 and the input of mass flow controller 2 respectively. In this way, the pressure of the make-up gas can be regulated by the pressure reducing valve.
As shown in fig. 1 and 2, in an embodiment of the present invention, a display 7 may be disposed on the mass flow controller 2, and the display 7 is used for displaying the flow rate of the mass flow controller 2. Thus, the flow of the mass flow controller 2 can be conveniently adjusted and observed by the display instrument 7.
Optionally, the utility model relates to an embodiment, air feed module 1 can be the nitrogen cylinder, and pure nitrogen gas can not be mingled with the negatively charged particle, uses nitrogen gas as the gaseous ion concentration that can not influence negative oxygen ion detecting instrument 8 and detect of tonifying qi, can guarantee negative oxygen ion detecting instrument 8's calibration precision.
Therefore, the negative oxygen ion standard source air supplement device provided by an embodiment of the utility model can realize the pairing use of the negative oxygen ion detecting instrument 8 and the negative oxygen ion standard source 9 with different working flows by providing the supplementary gas with adjustable flow, thereby ensuring the calibration precision of the negative oxygen ion detecting instrument 8 and improving the measurement precision of the calibrated negative oxygen ion detecting instrument 8; meanwhile, the matching use of one negative oxygen ion standard source 9 and various different negative oxygen ion detection instruments 8 can be realized, and the equipment cost is effectively saved.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A negative oxygen ion standard source gas supplementing device is characterized by comprising: the device comprises a gas supply module (1), a mass flow controller (2), a gas supply joint (3) and a gas pipeline (4);
the gas outlet of air feed module (1) passes through gas piping (4) with the input intercommunication of mass flow controller (2), air feed module (1) is used for providing gas, the output of mass flow controller (2) passes through gas piping (4) with tonifying qi connects (3) intercommunication, tonifying qi connects (3) can also communicate with the gas outlet of the sampling air inlet of negative oxygen ion detecting instrument (8) and negative oxygen ion standard source (9).
2. The negative oxygen ion standard source gas supplementing device according to claim 1, further comprising a three-way joint (5), the output end of the mass flow controller (2) is communicated with one joint of the three-way joint (5), the air supply joint (3) is provided with a first joint (31), a second joint (32), a third joint (33) and a fourth joint (34) which are orthogonally arranged, the first joint (31) is opposite to the fourth joint (34), the second joint (32) is opposite to the third joint (33), the other two joints of the three-way joint (5) are respectively communicated with the second joint (32) and the third joint (33), the first joint (31) can be communicated with the air outlet of the negative oxygen ion standard source (9), the fourth joint (34) can be communicated with a sampling air inlet of the negative oxygen ion detection instrument (8).
3. The negative oxygen ion standard source gas supplementing device according to claim 2, wherein a metal pipe (6) is installed on the first joint (31) of the gas supplementing joint (3), the outer end of the metal pipe (6) is used for connecting the gas outlet of the negative oxygen ion standard source (9), and the inner port of the metal pipe (6) and the inner port of the fourth joint (34) are located on the same plane.
4. The negative oxygen ion standard source gas supplementing device according to claim 3, wherein the metal tube (6) is made of aluminum alloy.
5. The negative oxygen ion standard source gas supplementing device according to claim 1 or 4, wherein the gas supplementing joint (3) is made of nylon.
6. The negative oxygen ion standard source gas supplementing device according to claim 1 or 2, further comprising a pressure reducing valve, wherein an inlet and an outlet of the pressure reducing valve are respectively communicated with a gas outlet of the gas supply module (1) and an input end of the mass flow controller (2).
7. The negative oxygen ion standard source gas supplementing device according to claim 1 or 2, wherein a display instrument (7) is arranged on the mass flow controller (2), and the display instrument (7) is used for displaying the flow of the mass flow controller (2).
8. The negative oxygen ion standard source gas supplementing device according to claim 1 or 2, wherein the gas supply module (1) is a nitrogen gas cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850006.9U CN212319410U (en) | 2020-05-20 | 2020-05-20 | Negative oxygen ion standard source air supplement unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850006.9U CN212319410U (en) | 2020-05-20 | 2020-05-20 | Negative oxygen ion standard source air supplement unit |
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| Publication Number | Publication Date |
|---|---|
| CN212319410U true CN212319410U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020850006.9U Active CN212319410U (en) | 2020-05-20 | 2020-05-20 | Negative oxygen ion standard source air supplement unit |
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|---|---|
| CN (1) | CN212319410U (en) |
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2020
- 2020-05-20 CN CN202020850006.9U patent/CN212319410U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20210301 Address after: 101500 room 313-3493, 3 / F, Shanshui building, 3 Gulou East Street, Miyun District, Beijing Patentee after: Beijing huance Technology Co.,Ltd. Address before: 100744 room 313-1395, 3 / F, Shanshui building, 3 Gulou East Street, Miyun District, Beijing Patentee before: BEIJING SHENGTONGHE TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220307 Address after: 101599 room 313-1395, floor 3, Shanshui building, No. 3 Gulou East Street, Miyun District, Beijing (centralized office area of yunchuang Valley Economic Development Center) Patentee after: BEIJING SHENGTONGHE TECHNOLOGY Co.,Ltd. Address before: 101500 room 313-3493, 3 / F, Shanshui building, 3 Gulou East Street, Miyun District, Beijing Patentee before: Beijing huance Technology Co.,Ltd. |
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