CN217765681U - Automatic collection device for expired air - Google Patents
Automatic collection device for expired air Download PDFInfo
- Publication number
- CN217765681U CN217765681U CN202221271689.8U CN202221271689U CN217765681U CN 217765681 U CN217765681 U CN 217765681U CN 202221271689 U CN202221271689 U CN 202221271689U CN 217765681 U CN217765681 U CN 217765681U
- Authority
- CN
- China
- Prior art keywords
- controller
- pipeline
- pipe
- pinch valve
- collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to the technical field of analytical instrument, concretely relates to automatic collection system of exhaled breath. It includes handheld sample thief and controller, and handheld sample thief includes the trunk line, the front end of trunk line is provided with contains the pipe, be provided with CO in the trunk line 2 The device comprises a sensor, wherein an exhaust pipe for discharging waste gas and a collecting pipe for outputting exhaled air are connected to a main pipeline, a first pinch valve is arranged on the exhaust pipe, and a second pinch valve is arranged on the collecting pipe; the CO is 2 A sensor connected to an input of the controller, the first pinch valve andand the second pinch valves are respectively connected with the output ends of the controllers. The utility model can be based on CO 2 The content control pinch valve automatically switches waste or collected gas, simplifies the operation of collecting exhaled gas, reduces the requirement on the matching degree of a collected person, is beneficial to the high-efficiency operation of related collection work, and has good application prospect.
Description
Technical Field
The utility model belongs to the technical field of analytical instrument, concretely relates to automatic collection system of expired air.
Background
The detection of the exhaled gas of a human body is a method for detecting components in the exhaled gas of the human body. So far, detection and research of more than 1000 components in exhaled breath have been achieved. Because the exhaled gas detection and sampling are simple and efficient, the method has very wide application in the aspects of disease diagnosis, research, drunk driving detection and the like.
Since the sampling process of the exhaled breath of the human body is performed in an air environment, it is necessary to ensure that the collected sample is the exhaled breath of the human body and not air, which is the basis for obtaining an accurate detection result. In view of the above, the chinese patent application CN113219042a is a device and a method for analyzing and detecting components in exhaled gas of a human body, and the device for collecting exhaled gas of a human body includes a sample flow rate detection device and a carbon dioxide concentration detection device, wherein the sample flow rate detection device is used for detecting the flow rate of exhaled gas of a human body, and the carbon dioxide concentration detection device is used for detecting the carbon dioxide concentration of exhaled gas of a human body, and only when the detection data of the flow rate of exhaled gas of a human body and the carbon dioxide concentration meet the index requirements, the collected gas sample can be determined to be exhaled gas of a human body.
However, the existing collection device still has a certain problem in the actual use process, and after confirming whether the collected gas sample is expired by the human body, the gas passage of the collection device is usually switched by a rear end analysis instrument. And to some needs gather the gas sample earlier, in the scene of sending into laboratory detection, because there is not the control of rear end analytical instrument, need be confirming the gas of gathering for the exhalation climate, manual operation switches collection system's gas passage, and this makes the collection work of exhaled breath comparatively loaded down with trivial details, and the collection process need be gathered the person highly to cooperate, gathers the failure easily.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model aims to provide an automatic collection system of expiratory gas realizes reaching automatic acquisition's purpose according to gathering gaseous testing result automatic switch-over gas circuit.
The utility model provides an expiratory gas automatic acquisition device, includes handheld sample thief and controller, handheld sample thief includes the trunk line, the front end of trunk line is provided with contains the pipe, be provided with CO in the trunk line 2 The device comprises a sensor, wherein an exhaust pipe for discharging waste gas and a collecting pipe for outputting exhaled air are connected to a main pipeline, a first pinch valve is arranged on the exhaust pipe, and a second pinch valve is arranged on the collecting pipe;
said CO 2 The sensor is connected with the input end of the controller, and the first pinch valve and the second pinch valve are respectively connected with the output end of the controller.
Preferably, the trunk line is externally covered with a heating chamber, a first temperature sensor is arranged in the trunk line, the first temperature sensor is connected with the input end of the controller, and the heating chamber is connected with the output end of the controller.
Preferably, said CO 2 And a second temperature sensor is arranged on the surface of the sensor and is connected with the input end of the controller.
Preferably, a flowmeter is further arranged in the main pipeline.
Preferably, the tube-containing tube is a one-way tube-containing tube.
Preferably, a collection bag is connected to the collection tube.
Preferably, the controller comprises a housing, a main controller, a power supply controller and a temperature controller.
Preferably, the controller further comprises a cleaning pump controller, the cleaning pump controller is connected with a cleaning pump pipeline, the cleaning pump pipeline comprises a pipeline cork interface, the pipeline cork interface is arranged on the shell, and a main pipeline for holding the sampler is arranged on the shell and a respirator collecting handle cleaning seat aligned with the pipeline cork interface.
Adopt the utility model discloses a collection system, the CO in the gas that sustainable monitoring was gathered 2 Content according to CO 2 The content control pinch valve automatically switches waste or collected gas, simplifies the operation of collecting exhaled gas, reduces the requirement on the matching degree of a collected person, and is beneficial to the high-efficiency operation of related collection work.
Obviously, many modifications, substitutions, and variations are possible in light of the above teachings of the invention, without departing from the basic technical spirit of the invention, as defined by the following claims.
The present invention will be described in further detail with reference to the following examples. This should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples. All the technologies realized based on the above contents of the present invention belong to the scope of the present invention.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a handheld sampler in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a controller according to embodiment 1 of the present invention;
fig. 4 is a schematic view of a partial structure of a washing pump controller and a washing pump controller according to embodiment 1 of the present invention.
Wherein, 1-a shell, 101-a pipe, 102-a flowmeter, 103-a first temperature sensor, 104-CO 2 Sensor, 105-second temperature sensor, 106-second pinch valve, 107-heating chamber, 108-exhaust pipe, 109-first cable socket, 110-first pinch valve, 111-collection pipe, 2-controller, 201-housing, 202-power controller, 203-second cable socket, 204-charging socket, 205-temperature controller, 206-cleaning pump controller, 207-respirator collecting handle cleaning seat, 208-main controller, 209-pipeline cork interface, 3-collecting bag.
Detailed Description
It should be noted that, in the embodiment, the algorithm of the steps of data acquisition, transmission, storage, processing, etc. which are not specifically described, as well as the hardware structure, circuit connection, etc. which are not specifically described, can be implemented by the contents disclosed in the prior art.
EXAMPLE 1 exhaled air collecting apparatus
The utility model provides an expiratory gas automatic acquisition device, includes handheld sample thief 1 and controller 2, handheld sample thief 1 includes the trunk line, the front end of trunk line is provided with contains pipe 101, contains that pipe 101 contains for disposable one-way contains the pipe. An exhaust pipe 108 for discharging waste gas and a collecting pipe 111 for outputting exhaled air are connected to the main pipeline, a first pinch valve 110 is arranged on the exhaust pipe 108, and a second pinch valve 106 is arranged on the collecting pipe 111. The collecting tube 111 is connected with a collecting bag 3.
The main pipeline is covered with a heating cavity 107, and a flowmeter 102 and CO are arranged in the main pipeline 2 A sensor 104, a first temperature sensor 103 and a second temperature sensor 105. The first temperature sensor 103 is arranged on the pipeline wall of the main pipeline and used for detecting the temperature of gas in the main pipeline in real time, and the second temperature sensor 105 is arranged on CO 2 The surface of the sensor 104.
The CO is 2 The sensor 104 is connected to an input of the controller 2, and the first pinch valve 110 and the second pinch valve 106 are respectively connected to an output of the controller 2. This example is by CO 2 CO detected by sensor 104 2 Concentration feedback controls the first pinch valve 110 and the second pinch valve 106, thereby achieving automatic control of the discarding or collecting of gas.
A first temperature sensor 103 is arranged in the main pipeline, the first temperature sensor 103 is connected with the input end of the controller 2, and the CO is 2 The sensor 104 is provided with a second temperature sensor 105 on the surface, and the second temperature sensor 105 is connected with the input end of the controller 2. The heating chamber 107 is connected to an output of the controller 2. The present embodiment can feedback control the heating chamber by the temperature detected by the first temperature sensor 103 or the second temperature sensor 105107, the temperature in the main pipe is maintained constant.
The controller 2 includes a housing 201, a main controller 208, a power controller 202, a temperature controller 205, and a wash pump controller 206. A respirator collection handle cleaning seat 207 is provided on the housing 201.
The cleaning pump controller 206 is installed in the shell 201, the cleaning pump controller 206 is connected with a cleaning pump pipeline, the cleaning pump pipeline is provided with a pipeline soft plug interface 209, and the pipeline soft plug interface 209 is arranged on the shell 201. When the hand-held sampler 1 needs to be cleaned, the hand-held sampler 1 is inserted into the cleaning seat 207 of the collecting handle of the respirator, and the main pipeline is automatically aligned into the pipeline soft plug connector 209 for inflation cleaning.
The handheld sampler 1 is externally provided with a first cable socket 109, the housing 201 of the controller 2 is provided with a second cable socket 203, and the first cable socket 109 and the second cable socket 203 are connected through a cable.
The operation process of the expired gas collection system using the present embodiment is as follows:
when the first temperature sensor 103 detects that the target temperature (40-50 ℃) is reached, the first pinch valve 110 is opened, the second pinch valve 106 is closed, and the exhaled air sampling operation can be started. The subject can now insufflate through the disposable buffer tube 101; when CO is detected 2 After the concentration reaches a certain threshold concentration (1% -3%), the first pinch valve 110 is closed and the second pinch valve 106 is opened. This design can automatically discard non-alveolar gas in the exhaled breath. When the flow meter 102 detects that the flow rate is lower than a certain value during the collection, the collection is stopped, the first pinch valve 110 is opened, and the second pinch valve 106 is closed. This automatic action is effective to prevent the subject from blowing air or non-alveolar air into the collection bag 2 after inhalation. The above process may be repeated. After the collection process is finished, the collection bag 2 and the containing pipe 101 are disassembled, and then the cleaning process is carried out. The hand-held sampler 1 is placed into a respirator collecting handle cleaning seat 207, a micro switch is touched, a cleaning pump is started, a cleaning flow is executed, air is pumped for 5-50s, and the flow rate is 1-3L/min. And after the cleaning is finished, entering the next sampling cycle. The collecting process is full-automatic, and manual intervention is not neededThe collected sample markers can be stored and analyzed for statistical results.
Claims (8)
1. The utility model provides an expiratory gas automatic acquisition device, includes handheld sample thief (1) and controller (2), its characterized in that: the handheld sampler (1) comprises a main pipeline, a pipe (101) is arranged at the front end of the main pipeline, and CO is arranged in the main pipeline 2 The device comprises a sensor (104), wherein an exhaust pipe (108) for discharging waste gas and a collecting pipe (111) for outputting exhaled air are connected to the main pipe, a first pinch valve (110) is arranged on the exhaust pipe (108), and a second pinch valve (106) is arranged on the collecting pipe (111);
said CO 2 The sensor (104) is connected with the input end of the controller (2), and the first pinch valve (110) and the second pinch valve (106) are respectively connected with the output end of the controller (2).
2. The exhaled breath automatic collection device according to claim 1, wherein: the pipeline is covered with heating chamber (107) in the outside, be provided with first temperature sensor (103) in the pipeline, first temperature sensor (103) with the input of controller (2) is connected, heating chamber (107) with the output of controller (2) is connected.
3. The exhaled breath automatic-collecting device according to claim 2, wherein: said CO 2 The surface of the sensor (104) is provided with a second temperature sensor (105), and the second temperature sensor (105) is connected with the input end of the controller (2).
4. The exhaled breath automatic collection device according to claim 1, wherein: a flowmeter (102) is also arranged in the main pipeline.
5. The exhaled breath automatic collection device according to claim 1, wherein: the containing pipe (101) is a one-way containing pipe.
6. The exhaled breath automatic collection device according to claim 1, wherein: the collecting pipe (111) is connected with a collecting bag (3).
7. An automatic exhaled breath collection apparatus according to claim 1, wherein: the controller (2) comprises a shell (201), a main controller (208), a power controller (202) and a temperature controller (205).
8. The exhaled breath automatic-collecting device according to claim 7, wherein: the controller (2) further comprises a cleaning pump controller (206), the cleaning pump controller (206) is connected with a cleaning pump pipeline, the cleaning pump pipeline comprises a pipeline soft plug interface (209), the pipeline soft plug interface (209) is arranged on the shell (201), a main pipeline used for holding the sampler (1) is arranged on the shell (201), and a respirator collecting handle cleaning seat (207) aligned with the pipeline soft plug interface (209) is arranged on the shell (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221271689.8U CN217765681U (en) | 2022-05-25 | 2022-05-25 | Automatic collection device for expired air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221271689.8U CN217765681U (en) | 2022-05-25 | 2022-05-25 | Automatic collection device for expired air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217765681U true CN217765681U (en) | 2022-11-08 |
Family
ID=83888302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221271689.8U Active CN217765681U (en) | 2022-05-25 | 2022-05-25 | Automatic collection device for expired air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217765681U (en) |
-
2022
- 2022-05-25 CN CN202221271689.8U patent/CN217765681U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108755893A (en) | A kind of intelligent closestool with excreta health measuring function | |
| CN108601557B (en) | Sample chamber for sampling respiratory gases and method for producing same | |
| CN114113283A (en) | Expired gas collection system and mass spectrometry device | |
| CN217765681U (en) | Automatic collection device for expired air | |
| CN200968909Y (en) | Polluting source malodorous gas sampling device | |
| CN111374668A (en) | Household expired air detector and using method thereof | |
| CN209574697U (en) | A kind of portable multi-function lung function instrument | |
| CN209018798U (en) | A kind of saliva collecting device | |
| CN211292223U (en) | Novel movable gas collecting and collecting device | |
| CN110664408B (en) | Alveolar gas collection system, cleaning system and alveolar gas collection method | |
| CN110567766B (en) | Pig respiratory tract microorganism aerosol quantitative acquisition device | |
| CN107271227A (en) | A kind of non-isometric sampling backflow double hose sampling probe | |
| CN211583153U (en) | Alveolar gas collection system and cleaning system | |
| CN102335014A (en) | Expiratory sampling bag | |
| CN215272916U (en) | Anti-pollution gene detection sampling device | |
| CN210803043U (en) | Pig respiratory track microorganism aerosol quantitative collection system | |
| CN206381190U (en) | Prevention from suffering from the diseases chemical examination sampler | |
| CN213189758U (en) | Categorised collection mechanism of expired gas collection system | |
| CN202002813U (en) | Feces collecting tube | |
| CN208872571U (en) | A kind of automatic sample mixing device of portable gas | |
| CN112754532A (en) | Expiration collecting device | |
| CN207384531U (en) | A kind of closed sputum aspirator | |
| CN114271868A (en) | Medical alveolar gas collection device and collection method thereof | |
| CN221350796U (en) | Pumping type ethylene oxide detection device | |
| CN220508881U (en) | Electronic nose equipment for screening aroma concentration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |