CN204373904U - A kind of oxygen inhalation apparatus calibrating installation - Google Patents
A kind of oxygen inhalation apparatus calibrating installation Download PDFInfo
- Publication number
- CN204373904U CN204373904U CN201520057082.3U CN201520057082U CN204373904U CN 204373904 U CN204373904 U CN 204373904U CN 201520057082 U CN201520057082 U CN 201520057082U CN 204373904 U CN204373904 U CN 204373904U
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- CN
- China
- Prior art keywords
- pressure transducer
- flow meter
- inhalation apparatus
- oxygen inhalation
- rectangular parallelepiped
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Abstract
The utility model belongs to metering appliance detecting field, relate to a kind of oxygen inhalation apparatus calibrating installation, mainly comprise rectangular parallelepiped shell, pressure transducer a, pressure transducer b, turbo flow meter a, turbo flow meter b, single-chip microcomputer and display, the pipeline a of connection source of oxygen interface and oxygen inhalation apparatus input end interface is provided with pressure transducer a and turbo flow meter a successively, the pipeline b of connection oxygen inhalation apparatus output terminal interface and exhausr port is provided with pressure transducer b and turbo flow meter b successively, pressure transducer a, pressure transducer b, turbo flow meter a is all electrically connected with single-chip microcomputer with turbo flow meter b, single-chip microcomputer is electrically connected with display, pressure transducer a, pressure transducer b, turbo flow meter a, turbo flow meter b, single-chip microcomputer and display are all connected with power electric.This apparatus structure is simple, operates and carries all easily, and measures very accurately, does not affect, have general applicability by operating environment.
Description
Technical field
The utility model belongs to metering appliance detecting device field, specifically, relates to a kind of oxygen inhalation apparatus calibrating installation.
Background technology
At present, buoy type oxygen absorber is widely used in medical industry, and buoy type oxygen absorber needs to examine and determine according to certain cycle, and according to the relevant regulations of JJG " 913-1996 ", the calibration interval are 6 months.The oxygen inhalation apparatus of small towns medical institutions and community medical institutions carries out on-site proving primarily of metering validation activity at county level, but existing calibrating installation volume and weight is all larger, be only applicable in oxygen inhalation apparatus manufacturing enterprise and labs calibrating, be not easy to be carried into on-site proving, and existing calibrating installation majority adopts glass rotameter and precision pressure gauge, namely mechanical indicating instrument is adopted, there is following problem: 1, glass rotameter is to placed angle when using, the stability requirement of air-flow is very high, indicated value fluctuation is very large, be not easy to read data, 2, precision pressure gauge uses the deflection of bourdon tube to drive needle deflection to carry out measured pressure value, very high to the stability requirement of air pressure, accurately can not measure the true undulating quantity of air pressure.
Summary of the invention
The purpose of this utility model is to provide a kind of oxygen inhalation apparatus calibrating installation, can not be affected by environment, accurately can measure, and be easy to carry.
The technical solution adopted in the utility model is: a kind of oxygen inhalation apparatus calibrating installation, and it mainly comprises rectangular parallelepiped shell, pressure transducer a, pressure transducer b, turbo flow meter a, turbo flow meter b, single-chip microcomputer and display;
Described rectangular parallelepiped shell is provided with source of oxygen interface, oxygen inhalation apparatus input end interface, oxygen inhalation apparatus output terminal interface and exhausr port, in described rectangular parallelepiped enclosure, described source of oxygen interface is connected with pipeline a with oxygen inhalation apparatus input end interface, described oxygen inhalation apparatus output terminal interface is connected with pipeline b with exhausr port, described pipeline a is provided with pressure transducer a and turbo flow meter a successively along the flow direction of oxygen, described pipeline b is provided with pressure transducer b and turbo flow meter b successively along the flow direction of oxygen;
Described pressure transducer a, pressure transducer b, turbo flow meter a are all electrically connected with single-chip microcomputer with turbo flow meter b, and described single-chip microcomputer is electrically connected with display, and described display is positioned at the upper surface of rectangular parallelepiped shell;
Described oxygen inhalation apparatus calibrating installation also comprises power supply, and described pressure transducer a, pressure transducer b, turbo flow meter a, turbo flow meter b, single-chip microcomputer and display are all connected with power electric.
Preferably, described power supply comprises lithium battery, transformer, electric wire, switch and plug.
Preferably, described oxygen inhalation apparatus calibrating installation also comprises rectangular parallelepiped lid, and the back side of described rectangular parallelepiped lid and the back side of rectangular parallelepiped shell are hinged, and the front of described rectangular parallelepiped lid is connected with buckle with the front of rectangular parallelepiped shell.
Preferably, described source of oxygen interface, oxygen inhalation apparatus input end interface, oxygen inhalation apparatus output terminal interface and exhausr port are all positioned at the upper surface of rectangular parallelepiped shell.
Preferably, the front of described rectangular parallelepiped shell is provided with handle, and four angles of rectangular parallelepiped shell lower surface are provided with slipmat.
Compared with prior art, the beneficial effects of the utility model are:
1, the electronic device that application response is sensitiveer replaces mechanical indicating instrument, measurement can be made more accurate, and the weight of electronic device is lighter, easy to carry;
2, all data show over the display after single-chip microcomputer process, measurement result can be made more directly perceived, and can avoid mechanical indicating instrument mispronouncing and error etc. when reading;
3, the utility model structure is simple, and does not affect by operating environment, has general applicability.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model oxygen inhalation apparatus calibrating installation;
Fig. 2 is the stereographic map of the utility model oxygen inhalation apparatus calibrating installation;
In figure: 1, rectangular parallelepiped shell; 2, pressure transducer a; 3, turbo flow meter a; 4, pressure transducer b; 5, turbo flow meter b; 6, single-chip microcomputer; 7, display; 8, lithium battery; 9, transformer; 10, source of oxygen interface; 11, oxygen inhalation apparatus input end interface; 12, oxygen inhalation apparatus output terminal interface; 13, exhausr port; 14, rectangular parallelepiped lid; 15, handle.
Embodiment
As shown in Figure 1, a kind of oxygen inhalation apparatus calibrating installation, it mainly comprises rectangular parallelepiped shell 1, pressure transducer a2, pressure transducer b4, turbo flow meter a3, turbo flow meter b5, single-chip microcomputer 6 and display 7.
As shown in Figure 2, the upper surface of described rectangular parallelepiped shell 1 is provided with source of oxygen interface 10, oxygen inhalation apparatus input end interface 11, oxygen inhalation apparatus output terminal interface 12, exhausr port 13 and display 7, described oxygen inhalation apparatus calibrating installation also comprises rectangular parallelepiped lid 14, the back side of described rectangular parallelepiped lid 14 and the back side of rectangular parallelepiped shell 1 are hinged, the front of described rectangular parallelepiped lid 14 is connected with buckle with the front of rectangular parallelepiped shell 1, the front of described rectangular parallelepiped shell 14 is provided with handle 15, and four angles of rectangular parallelepiped shell 1 lower surface are provided with slipmat.
Inner at described rectangular parallelepiped shell 1, described source of oxygen interface 10 is connected with pipeline a with oxygen inhalation apparatus input end interface 11, described oxygen inhalation apparatus output terminal interface 12 is connected with pipeline b with exhausr port 13, described pipeline a is provided with pressure transducer a2 and turbo flow meter a3 successively along the flow direction of oxygen, described pipeline b is provided with pressure transducer b4 and turbo flow meter b5 successively along the flow direction of oxygen.
Described pressure transducer a2, pressure transducer b4, turbo flow meter a3 are all electrically connected with single-chip microcomputer 6 with turbo flow meter b5, and described single-chip microcomputer 6 is electrically connected with display 7; Described oxygen inhalation apparatus calibrating installation also comprises power supply, and described pressure transducer a2, pressure transducer b4, turbo flow meter a3, turbo flow meter b5, single-chip microcomputer 6 and display 7 are all connected with power electric.Described power supply is 6V direct supply, and power supply comprises lithium battery 8, transformer 9, electric wire, switch and plug.
Use step of the present utility model is as follows:
Source of oxygen is connected with source of oxygen interface 10, oxygen inhalation apparatus input end is connected with oxygen inhalation apparatus input end interface 11, oxygen inhalation apparatus output terminal is connected with oxygen inhalation apparatus output terminal interface 12.Open source of oxygen valve, oxygen is passed in calibrating installation, when oxygen flow through whole loop discharge from exhausr port 13 time, open the switch of calibrating installation, now pressure transducer a2, pressure transducer b4, turbo flow meter a3, turbo flow meter b5 can send data to single-chip microcomputer 6, single-chip microcomputer 6 will be shown on display 7 after data processing, by the data of display on display 7, can observe the situation of oxygen inhalation apparatus very intuitively.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all embodiments.Every belong to the technical solution of the utility model the apparent change of amplifying out or variation be still in the row of protection domain of the present utility model.
Claims (5)
1. an oxygen inhalation apparatus calibrating installation, is characterized in that: it mainly comprises rectangular parallelepiped shell (1), pressure transducer a (2), pressure transducer b (4), turbo flow meter a (3), turbo flow meter b (5), single-chip microcomputer (6) and display (7);
Described rectangular parallelepiped shell is provided with source of oxygen interface (10), oxygen inhalation apparatus input end interface (11), oxygen inhalation apparatus output terminal interface (12) and exhausr port (13), inner at described rectangular parallelepiped shell (1), source of oxygen interface (10) is connected with pipeline a with oxygen inhalation apparatus input end interface (11), oxygen inhalation apparatus output terminal interface (12) is connected with pipeline b with exhausr port (13), described pipeline a is provided with pressure transducer a (2) and turbo flow meter a (3) successively along the flow direction of oxygen, described pipeline b is provided with pressure transducer b (4) and turbo flow meter b (5) successively along the flow direction of oxygen,
Described pressure transducer a (2), pressure transducer b (4), turbo flow meter a (3) are all electrically connected with single-chip microcomputer (6) with turbo flow meter b (5), described single-chip microcomputer (6) is electrically connected with display (7), and described display (7) is positioned at the upper surface of rectangular parallelepiped shell (1);
Described oxygen inhalation apparatus calibrating installation also comprises power supply, and described pressure transducer a (2), pressure transducer b (4), turbo flow meter a (3), turbo flow meter b (5), single-chip microcomputer (6) and display (7) are all connected with power electric.
2. according to oxygen inhalation apparatus calibrating installation according to claim 1, it is characterized in that: described power supply comprises lithium battery (8), transformer (9), electric wire, switch and plug.
3. according to oxygen inhalation apparatus calibrating installation according to claim 1, it is characterized in that: described oxygen inhalation apparatus calibrating installation also comprises rectangular parallelepiped lid (14), the back side of described rectangular parallelepiped lid (14) and the back side of rectangular parallelepiped shell (1) are hinged, and the front of described rectangular parallelepiped lid (14) is connected with buckle with the front of rectangular parallelepiped shell (1).
4. according to oxygen inhalation apparatus calibrating installation according to claim 1, it is characterized in that: described source of oxygen interface (10), oxygen inhalation apparatus input end interface (11), oxygen inhalation apparatus output terminal interface (12) and exhausr port (13) are all positioned at the upper surface of rectangular parallelepiped shell.
5. according to oxygen inhalation apparatus calibrating installation according to claim 1, it is characterized in that: the front of described rectangular parallelepiped shell (1) is provided with handle (15), four angles of rectangular parallelepiped shell (1) lower surface are provided with slipmat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057082.3U CN204373904U (en) | 2015-01-21 | 2015-01-21 | A kind of oxygen inhalation apparatus calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057082.3U CN204373904U (en) | 2015-01-21 | 2015-01-21 | A kind of oxygen inhalation apparatus calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204373904U true CN204373904U (en) | 2015-06-03 |
Family
ID=53330114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520057082.3U Expired - Fee Related CN204373904U (en) | 2015-01-21 | 2015-01-21 | A kind of oxygen inhalation apparatus calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204373904U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969878A (en) * | 2017-04-05 | 2017-07-21 | 上海健洲机械设备有限公司 | Oxygen inhalation apparatus calibrating installation |
| CN107328571A (en) * | 2017-08-24 | 2017-11-07 | 淮安市计量测试所 | A kind of oxygen inhalation apparatus detector and detection method |
| CN111121869A (en) * | 2019-12-25 | 2020-05-08 | 南京信息职业技术学院 | Oxygen inhaler calibration detection device |
-
2015
- 2015-01-21 CN CN201520057082.3U patent/CN204373904U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969878A (en) * | 2017-04-05 | 2017-07-21 | 上海健洲机械设备有限公司 | Oxygen inhalation apparatus calibrating installation |
| CN107328571A (en) * | 2017-08-24 | 2017-11-07 | 淮安市计量测试所 | A kind of oxygen inhalation apparatus detector and detection method |
| CN111121869A (en) * | 2019-12-25 | 2020-05-08 | 南京信息职业技术学院 | Oxygen inhaler calibration detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20160121 |
|
| EXPY | Termination of patent right or utility model |