CN218067873U - Integrated trace oxygen measuring device - Google Patents
Integrated trace oxygen measuring device Download PDFInfo
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- CN218067873U CN218067873U CN202222012582.8U CN202222012582U CN218067873U CN 218067873 U CN218067873 U CN 218067873U CN 202222012582 U CN202222012582 U CN 202222012582U CN 218067873 U CN218067873 U CN 218067873U
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- trace oxygen
- electromagnetic valve
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Abstract
The utility model belongs to the technical field of trace oxygen measurement, in particular to an integrated trace oxygen measuring device, which comprises an air chamber body and an external control panel, wherein the control panel is connected with the air chamber body in a signal way; the gas chamber body comprises a measuring part and an air inlet and outlet part which are integrally formed, and a gas chamber cover is provided with a trace oxygen sensor; an air inlet is formed in one side of the air inlet and outlet part, an air outlet is formed in the other side of the air inlet and outlet part, and the air inlet is communicated with the air outlet through a straight-through air passing port; the air inlet and outlet part is provided with a first mounting hole and a second mounting hole, an air inlet electromagnetic valve is fixedly arranged in the first mounting hole, an air outlet electromagnetic valve is fixedly arranged in the second mounting hole, and the trace oxygen sensor, the air inlet electromagnetic valve and the air outlet electromagnetic valve are respectively in signal connection with the control panel. The utility model discloses small, the gas circuit interface is few, has reduced the gas leakage point, and the sensor is changed conveniently, and the problem that the solenoid valve during operation generated heat has been solved to blade formula radiator.
Description
Technical Field
The utility model belongs to the technical field of the trace oxygen is measured, in particular to integral type trace oxygen measuring device.
Background
Because the trace oxygen analyzer (PPm, PPb grade) can not contact with air or high oxygen environment in work, the sensor is isolated from the outside by a switching valve or a four-way valve in the common installation of various manufacturers at home and abroad at present to protect the sensor from being polluted by the high oxygen environment, and a user needs to manually switch the valve body back and forth when using the trace oxygen analyzer, so that the purpose that the sensor is contacted with the detected gas to realize detection, and the contact between the sensor and the high oxygen gas is isolated when the detection is stopped to achieve evacuation is achieved. If the user operation order is improper or the detection pipeline is damaged in the use process, the trace oxygen sensor is placed in a high oxygen environment, on one hand, the trouble is brought to the user for measuring again, long-time blowing is needed, the sensor can reach the measuring working environment again, and on the other hand, the sensor is placed in the high oxygen environment for a long time, the service life of the sensor can be shortened, and even the sensor is damaged.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a new integrated micro oxygen measuring device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide an integrated trace oxygen measuring device.
The utility model provides an integrated trace oxygen measuring device, which comprises an air chamber body and an external control panel, wherein the control panel is in signal connection with the air chamber body; the air chamber body comprises a measuring part and an air inlet and outlet part which are integrally formed;
the measuring part is of a hollow rectangular structure with an opening at the top, the bottom of the measuring part is fixedly provided with a mounting base, the top of the measuring part is provided with an air chamber cover, the air chamber cover is detachably and hermetically connected with the measuring part, the air chamber cover is provided with a trace oxygen sensor, and the trace oxygen sensor is detachably connected with the air chamber cover;
an air inlet is formed in one side of the air inlet and outlet part, an air outlet is formed in the other side of the air inlet and outlet part, and the air inlet is communicated with the air outlet through a straight-through air passing port;
the air inlet and outlet part is provided with a first mounting hole and a second mounting hole, an air inlet electromagnetic valve is fixedly arranged in the first mounting hole, an air outlet electromagnetic valve is fixedly arranged in the second mounting hole, the bottom of the first mounting hole is provided with an air chamber air inlet, and the bottom of the second mounting hole is provided with an air chamber air outlet; the air chamber air inlet and the air chamber air outlet respectively communicate the measuring part with the air inlet and exhaust part, the air inlet end of the air inlet electromagnetic valve is communicated with the air inlet, the air outlet end of the air inlet electromagnetic valve is communicated with the air chamber air inlet, the air inlet end of the air outlet electromagnetic valve is communicated with the air chamber air outlet, and the air outlet end of the air outlet electromagnetic valve is communicated with the air outlet;
the trace oxygen sensor, the air inlet electromagnetic valve and the air outlet electromagnetic valve are respectively in signal connection with the control panel.
The measuring device comprises a measuring part, a micro oxygen sensor and a measuring part, wherein the measuring part is arranged at the bottom of the measuring part, and the micro oxygen sensor is arranged at the bottom of the measuring part.
The top of the spring seat is provided with a positioning groove, a flexible material is arranged in the positioning groove, the flexible material is fixedly connected with the positioning groove, and the bottom of the trace oxygen sensor is abutted against the positioning groove.
The signal connector is respectively connected with the trace oxygen sensor and the control panel and used for sending the measurement parameters of the trace oxygen sensor to the control panel.
The further scheme is that a heat dissipation seat is arranged at the bottom of the air inlet and exhaust part and fixedly connected with the air inlet and exhaust part.
The further proposal is that the heat radiating seat is a blade-shaped heat radiator.
The gas inlet is provided with a gas inlet nozzle, the gas outlet is provided with a gas outlet nozzle, the gas inlet nozzle is fixedly connected with the gas inlet, and the gas outlet nozzle is fixedly connected with the gas outlet;
the air inlet nozzle and the air outlet nozzle are used for being connected with an external pipeline.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a when pipeline gas leakage or technology mistake have effectively been solved to the structure, damage to the sensor, get up sensor automatic protection, do not need the switching of user's manual intervention valve body simultaneously, prevent that user operation mode mistake from leading to the high oxygen to get into, cause the slow unsafe maloperation of secondary measurement, integrative compact design, cross valve and diverter valve in the past have been changed and complicated shortcoming of installation walking pipe is punched at the case to the installation, the installation volume has been reduced, the sealed shortcoming of mounting screw has been cancelled to spiral upper cover, the measurement and the sweeping of accessible remote mode operation sensor.
Drawings
The following drawings are merely illustrative and explanatory of the invention and are not intended to limit the scope of the invention, wherein:
FIG. 1: the utility model has a schematic structure;
FIG. 2: a schematic structural diagram of the air chamber body;
FIG. 3: the inner structure schematic diagram of the air chamber body;
FIG. 4: the structure schematic diagram of the air chamber cover;
in the figure: 1. a gas chamber body; 1.1, an air inlet; 1.2, an air outlet; 1.3 air inlet of air chamber; 1.4, an air outlet of the air chamber; 1.5, a through air port; 2. an air inlet nozzle; 3. installing a base; 4. a heat dissipation base; 5. an air inlet solenoid valve; 6. an air outlet electromagnetic valve; 7. an air outlet nozzle; 8. an air chamber cover; 9. a spring seat; 10. a signal connector; 11. a trace oxygen sensor.
Detailed Description
In order to make the objects, technical solutions, design methods, and advantages of the present invention more clear, the present invention will be further described in detail by the following embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1-4, the utility model provides an integrated trace oxygen measuring device, which comprises an air chamber body 1 and an external control panel, wherein the control panel is in signal connection with the air chamber body 1; the air chamber body 1 comprises a measuring part and an air inlet and outlet part which are integrally formed;
wherein, the measuring part is open-top's cavity rectangle structure, the fixed installation base 3 that is provided with in measuring part bottom, the measuring part top is provided with the gas chamber lid 8, the gas chamber lid 8 with measuring part threaded connection just is provided with the sealing washer in the junction, the gas chamber lid 8 is provided with trace oxygen sensor 11, trace oxygen sensor 11 with gas chamber lid 8 adopts bonding or threaded connection or buckle to connect.
In order to avoid errors caused by production of the device, a spring seat 9 is arranged inside the measuring part, the bottom of the spring seat 9 is fixedly connected with the bottom of the measuring part, a positioning groove is formed in the top of the spring seat 9, a flexible material is arranged inside the positioning groove and fixedly connected with the positioning groove, and the bottom of the trace oxygen sensor 11 is abutted to the positioning groove. The top of the spring seat 9 is fixedly provided with a signal connector 10, and the signal connector 10 is respectively connected with the trace oxygen sensor 11 and the control panel and is used for sending the measurement parameters of the trace oxygen sensor 11 to the control panel.
An air inlet 1.1 is formed in the left side of the air inlet and outlet part, an air outlet 1.2 is formed in the right side of the air inlet and outlet part, the air inlet 1.1 is communicated with the air outlet 1.2 through a through air port 1.5, an air inlet nozzle 2 is arranged at the position of the air inlet 1.1, an air outlet nozzle 7 is arranged at the position of the air outlet 1.2, the air inlet nozzle 2 is fixedly connected with the air inlet 1.1, and the air outlet nozzle 7 is fixedly connected with the air outlet 1.2; the air inlet nozzle 2 and the air outlet nozzle 7 are used for connecting an external pipeline. It should be noted that the diameter of the through-air opening 1.5 is such that
The front surface of the air inlet and outlet part is provided with a first mounting hole and a second mounting hole, an air inlet electromagnetic valve 5 is fixedly arranged in the first mounting hole, an air outlet electromagnetic valve 6 is fixedly arranged in the second mounting hole, the bottom of the first mounting hole is provided with an air chamber air inlet 1.3, and the bottom of the second mounting hole is provided with an air chamber air outlet 1.4; the gas chamber gas inlet 1.3 and the gas chamber gas outlet 1.4 are respectively communicated with the measuring part and the gas inlet and exhaust part, wherein the gas chamber gas inlet 1.3 and the gas chamber gas outlet 1.4 extend into the cavity of the hollow rectangular structure, the gas inlet end of the gas inlet electromagnetic valve 5 is communicated with the gas inlet 1.1, the gas outlet end of the gas inlet electromagnetic valve 5 is communicated with the gas chamber gas inlet 1.3, the gas inlet end of the gas outlet electromagnetic valve 6 is communicated with the gas chamber gas outlet 1.4, and the gas outlet end of the gas outlet electromagnetic valve 6 is communicated with the gas outlet 1.2; it should be noted that, in order to ensure that the purge gas can smoothly enter from the gas inlet 1.1 when the gas inlet solenoid valve 5 and the gas outlet solenoid valve 6 are closed and be discharged along the through gas port 1.5 and the gas outlet 1.2, a spatial deviation should exist between the gas inlet end of the gas inlet solenoid valve 5 and the gas inlet 1.1, that is, the gas inlet solenoid valve 5 is not completely conducted with the gas inlet 1.1, a gap through which the purge gas passes is reserved, and a gap through which the purge gas is discharged from the gas outlet 1.2 is also reserved at the gas outlet of the gas outlet solenoid valve 6, so that the gas inlet 1.1, the through gas port 1.5 and the gas outlet 1.2 are always in a ventilation state no matter whether the gas inlet solenoid valve 5 and the gas outlet solenoid valve 6 are in an open or closed state. It should be emphasized that the aperture of the through air port 1.5 should be smaller than the aperture of the air inlet solenoid valve 5, in order to ensure that when the air inlet solenoid valve 5 is opened, other to be measured preferentially enters (mostly enters) the air inlet solenoid valve 5, and a small part of the gas can pass through the through air port 1.5, so as to reduce the pressure of the gas to be measured passing through the air inlet solenoid valve 5, and to protect the air inlet solenoid valve 5.
In order to realize the control of the control panel on the opening and closing of the air inlet electromagnetic valve 5 and the air outlet electromagnetic valve 6, the trace oxygen sensor 11, the air inlet electromagnetic valve 5 and the air outlet electromagnetic valve 6 are respectively connected with the control panel through signals.
Because the air inlet electromagnetic valve 5 and the air outlet electromagnetic valve 6 can generate heat when working, in order to solve the problem that the electromagnetic valves generate heat when working, the bottom of the air inlet and outlet part is provided with the heat radiating seat 4, the heat radiating seat 4 is fixedly connected with the air inlet and outlet part, and the heat radiating seat 4 is a blade-shaped heat radiator.
The utility model discloses when the circular telegram, air inlet solenoid valve 5 and the solenoid valve 6 of giving vent to anger all are in the closed condition, trace oxygen sensor 11 is kept apart, the purge gas is discharged by the 2 direct air outlet nozzle 7 of suction nozzle for other (for example air) of the high oxygen content of air inlet and exhaust portion are discharged, user operation begins to measure, control panel control air inlet solenoid valve 5 and solenoid valve 6 of giving vent to anger are opened, the measured gas is most through air inlet solenoid valve 5, discharge through direct gas passing port 1.5 a small amount, can protect air inlet solenoid valve 5. The trace oxygen sensor 11 measures the oxygen content of the gas to be measured entering the gas chamber, and sends the measurement structure to the control panel through the signal connector 10.
In this embodiment, the control panel is used for receiving and displaying the measurement parameters of the micro oxygen sensor 11, and is also used for opening or closing the electromagnetic valve at regular time.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (7)
1. The integrated trace oxygen measuring device comprises a gas chamber body (1) and an external control panel, wherein the control panel is in signal connection with the gas chamber body (1); the air chamber is characterized in that the air chamber body (1) comprises a measuring part and an air inlet and exhaust part which are integrally formed;
the measuring part is of a hollow rectangular structure with an opening at the top, the bottom of the measuring part is fixedly provided with a mounting base (3), the top of the measuring part is provided with an air chamber cover (8), the air chamber cover (8) is detachably and hermetically connected with the measuring part, the bottom of the air chamber cover (8) is provided with a trace oxygen sensor (11), and the trace oxygen sensor (11) is detachably connected with the air chamber cover (8);
an air inlet (1.1) is formed in one side of the air inlet and outlet part, an air outlet (1.2) is formed in the other side of the air inlet and outlet part, and the air inlet (1.1) is communicated with the air outlet (1.2) through a straight-through air passing port (1.5);
a first mounting hole and a second mounting hole are formed in the air inlet and exhaust part, an air inlet electromagnetic valve (5) is fixedly arranged in the first mounting hole, an air outlet electromagnetic valve (6) is fixedly arranged in the second mounting hole, an air chamber air inlet (1.3) is formed in the bottom of the first mounting hole, and an air chamber air outlet (1.4) is formed in the bottom of the second mounting hole; the measuring part is communicated with the air inlet and exhaust part through the air chamber air inlet (1.3) and the air chamber air outlet (1.4) respectively, the air inlet end of the air inlet electromagnetic valve (5) is communicated with the air inlet (1.1), the air outlet end of the air inlet electromagnetic valve (5) is communicated with the air chamber air inlet (1.3), the air inlet end of the air outlet electromagnetic valve (6) is communicated with the air chamber air outlet (1.4), and the air outlet end of the air outlet electromagnetic valve (6) is communicated with the air outlet (1.2);
the trace oxygen sensor (11), the air inlet electromagnetic valve (5) and the air outlet electromagnetic valve (6) are respectively in signal connection with the control panel.
2. The integrated trace oxygen measuring device according to claim 1, wherein a spring seat (9) is arranged inside the measuring part, the bottom of the spring seat (9) is fixedly connected with the bottom of the measuring part, and the bottom of the trace oxygen sensor (11) is abutted against the top of the spring seat (9).
3. The integrated trace oxygen measuring device according to claim 2, wherein a positioning groove is formed in the top of the spring seat (9), a flexible material is arranged in the positioning groove, the flexible material is fixedly connected with the positioning groove, and the bottom of the trace oxygen sensor (11) is abutted against the positioning groove.
4. The integrated trace oxygen measuring device according to claim 3, wherein a signal connector (10) is fixedly arranged at the top of the spring seat (9), and the signal connector (10) is respectively connected with the trace oxygen sensor (11) and a control panel and is used for sending the measurement parameters of the trace oxygen sensor (11) to the control panel.
5. The integrated trace oxygen measuring device according to claim 1, wherein a heat sink (4) is disposed at the bottom of the air inlet and outlet part, and the heat sink (4) is fixedly connected with the air inlet and outlet part.
6. The integrated micro oxygen measuring device according to claim 5, wherein the heat sink (4) is a blade-like heat sink.
7. The integrated trace oxygen measuring device according to claim 1, wherein an air inlet nozzle (2) is arranged at the air inlet (1.1), an air outlet nozzle (7) is arranged at the air outlet (1.2), the air inlet nozzle (2) is fixedly connected with the air inlet (1.1), and the air outlet nozzle (7) is fixedly connected with the air outlet (1.2);
the air inlet nozzle (2) and the air outlet nozzle (7) are used for being connected with an external pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222012582.8U CN218067873U (en) | 2022-08-02 | 2022-08-02 | Integrated trace oxygen measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222012582.8U CN218067873U (en) | 2022-08-02 | 2022-08-02 | Integrated trace oxygen measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218067873U true CN218067873U (en) | 2022-12-16 |
Family
ID=84401646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222012582.8U Active CN218067873U (en) | 2022-08-02 | 2022-08-02 | Integrated trace oxygen measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218067873U (en) |
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2022
- 2022-08-02 CN CN202222012582.8U patent/CN218067873U/en active Active
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