CN213068371U - Sampling pipeline connecting device - Google Patents
Sampling pipeline connecting device Download PDFInfo
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- CN213068371U CN213068371U CN202021177039.8U CN202021177039U CN213068371U CN 213068371 U CN213068371 U CN 213068371U CN 202021177039 U CN202021177039 U CN 202021177039U CN 213068371 U CN213068371 U CN 213068371U
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- sampling pipeline
- gas circuit
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- resistor
- joint
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Abstract
The utility model relates to a sampling pipeline connecting device, connect, install at the stop gate structure of gas circuit joint front end, install the photoelectric detection subassembly at gas circuit joint rear end including the gas circuit, the gas circuit connects and is equipped with the sampling pipeline spread groove with sampling pipe connection one side is concave, the gas circuit is worn to be equipped with in gas circuit joint center, and the joint of sampling pipeline is installed in the sampling pipeline spread groove, the sampling pipeline with the gas circuit switch-on, photoelectric detection subassembly inserts the condition according to the sampling pipeline and exports signal of telecommunication feedback to main equipment. The utility model discloses prevent through the stop gate structure that the haze dust from getting into the gas circuit joint under the condition that the sampling pipeline does not insert, ensure the sampling pipeline simultaneously through the photoelectric detection subassembly and fill the access gas circuit and connect, the device is small and exquisite simultaneously, convenient to carry, long service life.
Description
Technical Field
The utility model relates to a modern medical science field, in particular to sampling pipeline connecting device.
Background
The human body respiration detection and analysis is an important research direction in the fields of modern medicine and engineering, and comprises the aspects of sleep respiration detection, lung function detection, end-of-breath carbon dioxide detection, anesthetic gas concentration monitoring and the like. In the application of breath detection and analysis, in order to avoid damage and cross infection of equipment caused by the fact that substances such as moisture, mucus, dust, droplets and bacteria in respiratory gas enter the equipment, the equipment often adopts a sampling pipeline with a filtering function to sample the gas breathed by a human body or respiratory force.
The sampling pipeline passes through the sampling joint and is connected with equipment, and for improve equipment's working life and avoid coming from pollutants such as haze, dust among the atmospheric environment when not connecting the sampling pipeline and get into equipment, need increase the protection to the equipment sampling end and to the connected state discernment of sampling pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the sampling pipeline connecting device can identify the access state of a sampling pipeline and perform dustproof protection on equipment when the sampling pipeline is not connected.
The technical solution of the utility model is that: the utility model provides a sampling pipeline connecting device, its special character lies in, includes the gas circuit joint, installs at the stop gate structure of gas circuit joint front end, installs the photoelectric detection subassembly at gas circuit joint rear end, the gas circuit connects and is equipped with the sampling pipeline spread groove with sampling pipeline connection one side is concave, the gas circuit is worn to be equipped with in gas circuit joint center, and the joint of sampling pipeline is installed in the sampling pipeline spread groove, the sampling pipeline with the gas circuit switch-on, photoelectric detection subassembly exports the signal of telecommunication to feed back to the main equipment according to the sampling pipeline condition of inserting.
Preferably, the method comprises the following steps: internal threads are distributed on the inner wall of the connecting groove of the sampling pipeline, external threads are distributed on the joint of the sampling pipeline, and the joint of the sampling pipeline is screwed in the connecting groove of the sampling pipeline.
Preferably, the method comprises the following steps: the barrier door structure comprises a barrier door mounting plate, a barrier door, a torsional spring mounting plate and a torsional spring, a sampling pipeline mounting hole and a barrier door pivot hole are arranged on the barrier door mounting plate in a penetrating manner, a plurality of connecting columns are convexly arranged on the back surface of the barrier door mounting plate, and the barrier door mounting plate is connected with the photoelectric detection assembly through the connecting columns;
stop the protruding torsional spring erection column that is equipped with still in the door mounting panel back, the torsional spring mounting panel passes through the torsional spring erection column with stopping the door mounting panel and is connected, the torsional spring suit is fixed on the torsional spring erection column and one end on the torsional spring mounting panel the other end passes and blocks the door mounting panel and fix on stopping the door, it is in to stop the door pin joint stop on the door mounting panel and the pivot install stop on the door pin joint hole.
Preferably, the method comprises the following steps: the photoelectric detection assembly comprises a photoelectric device mounting plate, a photoelectric device and a peripheral circuit electrically connected with the photoelectric device, the photoelectric device is mounted on the photoelectric device mounting plate, and the photoelectric device mounting plate is connected with the barrier door mounting plate through a connecting column.
Preferably, the method comprises the following steps: the photoelectric device comprises a light emitting diode and a phototriode.
Preferably, the method comprises the following steps: the peripheral circuit comprises a first resistor, a second resistor and a third resistor;
the anode of a light emitting diode of the photoelectric device is connected with a power supply, the cathode of the light emitting diode is grounded, and a first resistor is arranged between the anode of the light emitting diode and the power supply;
the collector of the photosensitive triode of the photoelectric device is connected to a circuit between the power supply and the first resistor, the emitter of the photosensitive triode is grounded through the second resistor and the third resistor, the common end of the second resistor and the third resistor is also connected with a branch circuit, and the branch circuit is electrically connected with a main equipment circuit.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the detection device is based on the photoelectric detection principle, detects the access state of the sampling pipeline joint, ensures that the sampling pipeline and the gas circuit joint are fully accessed, is reliable in working state, cannot cause sudden shutdown of equipment due to incomplete connection, detects based on the photoelectric principle, weakens the attenuation and has long service life;
2. the device can effectively prevent external substances such as dust, sand and the like from entering the equipment joint when the equipment joint is not connected with the sampling pipeline, and is particularly applied to outdoor medical equipment;
3. the device is small in size, integrated in small equipment and convenient to carry.
Drawings
Fig. 1 is a schematic structural view of the sampling pipeline connection device of the present invention;
fig. 2 is an exploded view of the sampling pipe connection device of the present invention;
fig. 3 is a schematic electrical circuit diagram of an optoelectronic device of the present invention;
fig. 4 is a circuit diagram of the peripheral circuit of the present invention.
Description of the main component symbols:
Detailed Description
The utility model discloses the following will make further detail with the accompanying drawing:
referring to fig. 1 and 2, a sampling pipeline connecting device includes an air path connector 1, a stop gate structure 2 installed at the front end of the air path connector 1, and a photoelectric detection assembly 3 installed at the rear end of the air path connector 1, a sampling pipeline connecting groove 11 is concavely provided at the center of a side where the air path connector 1 is connected to a sampling pipeline 4, an internal thread is provided on the inner wall of the sampling pipeline connecting groove 11, an air path 12 is provided in the center of the air path connector 1 in a penetrating manner, a corresponding external thread is provided on the outer wall of the sampling pipeline connector 41, the sampling pipeline connector 41 is screwed into the sampling pipeline connecting groove 11, and the sampling pipeline 4 is connected to the air path 12.
The barrier door structure 2 comprises a barrier door mounting plate 21, a barrier door 22, a torsional spring mounting plate 23 and a torsional spring 24, a sampling pipeline mounting hole 211 and a barrier door pivot hole are arranged on the barrier door mounting plate 21 in a penetrating manner, a plurality of connecting columns 212 are convexly arranged on the back surface of the barrier door mounting plate 21, and the barrier door mounting plate 21 is connected with the photoelectric detection assembly 3 through the plurality of connecting columns 212;
stop the door mounting panel 21 back and still protruding torsional spring erection column 213 that is equipped with, torsional spring mounting panel 23 passes through torsional spring erection column 213 with stop the door mounting panel 21 and is connected, 24 suits of torsional spring are on torsional spring erection column 213 and one end is fixed on torsional spring mounting panel 23 the other end passes and stops the door mounting panel 21 and fix on stopping door 22, stop the door 22 pin joint and be in stop on the door mounting panel 21 and the pivot is installed stop on the door pin joint hole, stop that door 22 is manual to be wound the pivot is rotatory to be opened, and before sampling pipeline 4 does not insert gas circuit connector 1, stop door 22 and keep the closed state all the time under torsional spring 24's effect, prevent dust, sand in the atmosphere and get into gas circuit connector, pollution equipment.
The photoelectric detection assembly 3 comprises a photoelectric device mounting plate 31, a photoelectric device 32 and a peripheral circuit electrically connected with the photoelectric device 32, wherein the photoelectric device 32 is mounted on the photoelectric device mounting plate 31, and the photoelectric device mounting plate 31 is connected with the barrier door mounting plate 21 through a connecting column 212;
the optoelectronic device 32 includes a light emitting diode 321 and a phototransistor 322;
the peripheral circuit comprises a first resistor R1, a second resistor R2 and a third resistor R3;
the anode of the light emitting diode 321 of the photoelectric device 32 is connected with a 5V power supply, the cathode of the light emitting diode 321 is grounded, and a first resistor R1 is arranged between the anode of the light emitting diode 321 and the 5V power supply;
the collector of the phototriode 322 of the photoelectric device 32 is connected to a line between the 5V power supply and the first resistor R1, the emitter of the phototriode 322 is grounded through a second resistor R2 and a third resistor R3, and a branch line connected with a main device is further arranged between the second resistor R2 and the third resistor R3.
When the sampling pipeline is not connected, the blocking door is kept in a closed state under the action of the torsion spring, and the effect of protecting the air passage joint from dust entering is achieved;
when the sampling pipeline needs to be connected into the gas circuit connector, the manual rotary stop door is opened, the sampling pipeline is connected into the gas circuit connector from the sampling pipeline connecting hole, the light emitting diode of the photoelectric device emits light with specific wavelength, when the sampling pipeline is completely connected into the gas circuit connector, the sampling pipeline is communicated with the gas circuit, the phototriode of the photoelectric device receives the light reflected from the sampling pipeline connector, the branch of the peripheral circuit is conducted, the electric signal is transmitted to the main device through the peripheral circuit, and the main device enters a measuring state and works normally.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made according to the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a sampling pipeline connecting device, its characterized in that includes the gas circuit joint, installs at the stop gate structure of gas circuit joint front end, installs the photoelectric detection subassembly at gas circuit joint rear end, the gas circuit connects and is equipped with the sampling pipeline spread groove with sampling pipeline connection one side is concave, the gas circuit is worn to be equipped with in gas circuit joint center, and the joint of sampling pipeline is installed in the sampling pipeline spread groove, the sampling pipeline with the gas circuit switch-on, photoelectric detection subassembly according to sampling pipeline access condition output signal of telecommunication feedback to main equipment.
2. The sampling pipe connection device according to claim 1, wherein an internal thread is disposed on an inner wall of the sampling pipe connection groove, an external thread is disposed on the sampling pipe joint, and the sampling pipe joint is screwed into the sampling pipe connection groove.
3. The sampling pipeline connecting device according to claim 1, wherein the barrier door structure comprises a barrier door mounting plate, a barrier door, a torsion spring mounting plate and a torsion spring, the barrier door mounting plate is provided with a sampling pipeline mounting hole and a barrier door pivot hole in a penetrating manner, the back of the barrier door mounting plate is convexly provided with a plurality of connecting columns, and the barrier door mounting plate is connected with the photoelectric detection assembly through the plurality of connecting columns;
stop the protruding torsional spring erection column that is equipped with still in the door mounting panel back, the torsional spring mounting panel passes through the torsional spring erection column with stopping the door mounting panel and is connected, the torsional spring suit is fixed on the torsional spring erection column and one end on the torsional spring mounting panel the other end passes and blocks the door mounting panel and fix on stopping the door, it is in to stop the door pin joint stop on the door mounting panel and the pivot install stop on the door pin joint hole.
4. The sampling pipeline connecting device according to claim 1 or 3, characterized in that the photoelectric detection assembly comprises a photoelectric device mounting plate, a photoelectric device, and a peripheral circuit electrically connected with the photoelectric device, the photoelectric device is mounted on the photoelectric device mounting plate, and the photoelectric device mounting plate is connected with the barrier door mounting plate through a connecting column.
5. The sampling line connection device according to claim 4, wherein the optoelectronic device comprises a light emitting diode and a phototransistor.
6. The sampling line connection device of claim 4, wherein the peripheral circuit comprises a first resistor, a second resistor, a third resistor;
the anode of a light emitting diode of the photoelectric device is connected with a power supply, the cathode of the light emitting diode is grounded, and a first resistor is arranged between the anode of the light emitting diode and the power supply;
the collector of the photosensitive triode of the photoelectric device is connected to a circuit between the power supply and the first resistor, the emitter of the photosensitive triode is grounded through the second resistor and the third resistor, the common end of the second resistor and the third resistor is also connected with a branch circuit, and the branch circuit is electrically connected with a main equipment circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021177039.8U CN213068371U (en) | 2020-06-22 | 2020-06-22 | Sampling pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021177039.8U CN213068371U (en) | 2020-06-22 | 2020-06-22 | Sampling pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213068371U true CN213068371U (en) | 2021-04-27 |
Family
ID=75569381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021177039.8U Active CN213068371U (en) | 2020-06-22 | 2020-06-22 | Sampling pipeline connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213068371U (en) |
-
2020
- 2020-06-22 CN CN202021177039.8U patent/CN213068371U/en active Active
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