CN217820260U - Oxygen concentration detection module - Google Patents
Oxygen concentration detection module Download PDFInfo
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- CN217820260U CN217820260U CN202221378337.2U CN202221378337U CN217820260U CN 217820260 U CN217820260 U CN 217820260U CN 202221378337 U CN202221378337 U CN 202221378337U CN 217820260 U CN217820260 U CN 217820260U
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Abstract
The utility model discloses an oxygen concentration detection module has realized carrying out short-term test to the oxygen concentration of surrounding environment. The utility model discloses be provided with the probe card, made things convenient for the signal output of oxygen concentration sensor and the input of power to be provided with electron flowmeter test cavity and electron flowmeter sensor board, can realize the measurement to gas flow.
Description
Technical Field
The utility model belongs to oxygen concentration measurement field, concretely relates to oxygen concentration detection module.
Background
The oxygen concentration detection means that the oxygen concentration of a hollow packaging container such as a sealed packaging bag, a bottle or a tank is measured. The oxygen concentration detection is suitable for occasions such as production lines, warehouses, laboratories and the like, and the content and the proportion of the gas components are quickly and accurately evaluated, so that the production is guided, and the shelf life of the product is ensured; however, there is no device for detecting oxygen vacancy and gas flow rate rapidly, and therefore, it is urgent to provide a device for detecting oxygen vacancy and gas flow rate rapidly.
SUMMERY OF THE UTILITY MODEL
Based on the above-mentioned background art, the utility model provides an oxygen concentration detection module has realized oxygen concentration detection.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: an oxygen concentration detection module comprises a shell, an air inlet, a test cavity, an oxygen concentration sensor, a transfer pipe, an air inlet pipe, an electronic flowmeter, an air pump, an air outlet pipe, an air outlet, a probe card and a controller; the electronic flowmeter comprises an electronic flowmeter test cavity and an electronic flowmeter sensor board;
the test cavity, the oxygen concentration sensor, the adapter tube, the air inlet tube, the electronic flowmeter test cavity, the air pump, the air outlet tube, the electronic flowmeter sensor board and the controller are all arranged inside the shell; the air inlet, the air outlet and the probe board are arranged on the outer surface of the shell;
the air inlet is communicated to a test cavity, the test cavity is connected with an oxygen concentration sensor, and the test cavity is communicated to an air inlet pipe through a transfer pipe; the air inlet pipe is communicated with an air inlet end of the electronic flowmeter testing cavity, a circulating end of the electronic flowmeter testing cavity is communicated with the air extracting pump, an air outlet end of the electronic flowmeter testing cavity is communicated with an air outlet pipe, and the air outlet pipe is communicated with an air outlet;
the electronic flowmeter sensor board comprises a pressure sensor, and the pressure sensor is embedded in the electronic flowmeter test cavity; the oxygen concentration sensor, the air pump and the electronic flowmeter sensor board are all electrically connected with the controller, and the controller is electrically connected with the probe board.
Further, the probe card includes first wiring district and second wiring district, first wiring district includes power source and signal transmission interface, the second wiring district includes power source and signal transmission interface, power source is connected with the controller electricity, signal transmission interface and controller electric connection, first wiring district is central symmetry with the second wiring district.
Furthermore, the electronic flowmeter testing cavity comprises an air inlet end, an air outlet end, an air cavity, a first three-way pipeline, a first pressure sensor, an air resistor, a second three-way pipeline, a second pressure sensor, a first circulating end, a second circulating end and an output pipe;
the air inlet end is communicated to the air cavity, and the first pipe orifice of the first three-way pipeline is communicated to the air cavity; the second pipe orifice of the first three-way pipe is connected with a first pressure sensor, and the joint of the second pipe orifice of the first three-way pipe and the first pressure sensor is sealed; the third pipe orifice of the first three-way pipe is communicated to the first pipe orifice of the second three-way pipe through an air lock; the second pipe orifice of the second three-way pipe is connected with a second pressure sensor, the joint of the second pipe orifice of the second three-way pipe and the second pressure sensor is sealed, the third pipe orifice of the second three-way pipe is communicated with the first circulation end, the second circulation end is communicated with one end of an output pipe, and the other end of the output pipe is communicated with an air outlet end;
the air inlet end is communicated with the air inlet pipe, the air outlet end is communicated with the air outlet pipe, the first circulating end is communicated with the air exhaust end of the air exhaust pump, and the second circulating end is communicated with the air exhaust end of the air exhaust pump.
Furthermore, the gas outlet pipe is arranged in another hole in a penetrating mode and is connected with the gas outlet end of the electronic flowmeter testing cavity.
Further, the air inlet is in threaded connection with the testing cavity, and the connection position of the air inlet and the testing cavity is sealed.
Furthermore, the test cavity is in threaded connection with the oxygen concentration sensor, and the joint of the test cavity and the oxygen concentration sensor is axially sealed through a fluororubber sealing gasket.
Further, the test cavity is welded with the adapter tube, and the adapter tube is welded with the air inlet pipe.
Further, the air inlet pipe and the air inlet end of the electronic flowmeter test cavity are radially sealed through a clamping cap and a clamping sleeve.
Furthermore, the air outlet end of the electronic flowmeter testing cavity is in threaded connection with the air outlet pipe, and a sealing ring is arranged at the joint of the air outlet end of the electronic flowmeter testing cavity and the air outlet pipe.
The utility model has the advantages that:
(1) The utility model provides an oxygen concentration detection module has realized the short-term test to the oxygen concentration of surrounding environment.
(2) The utility model discloses be provided with the probe card, made things convenient for the signal output of oxygen concentration sensor and the input of power to be provided with electron flowmeter test cavity and electron flowmeter sensor board, can realize the measurement to gas flow.
Drawings
Fig. 1 is a schematic view of a housing of an oxygen concentration detecting module according to an embodiment of the present invention.
Fig. 2 is a schematic view of a first structure of an oxygen concentration detecting module according to an embodiment of the present invention.
Fig. 3 is a front view of an oxygen concentration detecting module according to an embodiment of the present invention.
Fig. 4 is a second schematic structural diagram of an oxygen concentration detecting module according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a probe card according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an electronic flowmeter according to an embodiment of the present invention.
Wherein: the device comprises a shell 1, a shell 2, an air inlet 2, a test cavity 3, an oxygen concentration sensor 4, a switching tube 5, an air inlet tube 6, an electronic flowmeter test cavity 7, an air pump 8, an air outlet tube 9, an air outlet 10, an air outlet 11, a probe board 12, an electronic flowmeter sensor board 12, a partition board 13, a controller 14, a gas inlet 15, a gas outlet 16, a gas cavity 17, a first three-way pipe 18, a first pressure sensor 19, a gas resistor 20, a second three-way pipe 21, a second pressure sensor 22, a first circulating end 23, a gas extracting end 24, a gas outlet 25, a second circulating end 26 and an output tube 27.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
The following describes embodiments of the present invention in detail with reference to the drawings.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, an oxygen concentration detection module comprises a housing 1, an air inlet 2, a test chamber 3, an oxygen concentration sensor 4, a transfer pipe 5, an air inlet pipe 6, an electronic flowmeter, an air pump 8, an air outlet pipe 9, an air outlet 10, a probe board 11 and a controller 14; the electronic flow meter comprises an electronic flow meter test chamber 7 and an electronic flow meter sensor board 12.
The test cavity 3, the oxygen concentration sensor 4, the adapter tube 5, the air inlet tube 6, the electronic flowmeter test cavity 7, the air pump 8, the air outlet tube 9, the electronic flowmeter sensor board 12 and the controller 14 are all arranged inside the shell 1; the air inlet 2, the air outlet 10 and the probe card 11 are arranged on the outer surface of the casing 1.
The air inlet 2 is communicated with a test cavity 3, the test cavity 3 is connected with an oxygen concentration sensor 4, and the test cavity 3 is communicated with an air inlet pipe 6 through a transfer pipe 5; the air inlet pipe 6 is communicated with an air inlet end of an electronic flowmeter testing cavity 7, a circulating end of the electronic flowmeter testing cavity 7 is communicated with an air pump 8, an air outlet end of the electronic flowmeter testing cavity 7 is communicated with an air outlet pipe 9, and the air outlet pipe 9 is communicated with an air outlet 10.
The electronic flowmeter sensor board 12 comprises a pressure sensor which is embedded on the electronic flowmeter test cavity 7; the oxygen concentration sensor 4, the air pump 8 and the electronic flow meter sensor board 12 are all electrically connected with a controller 14, and the controller 14 is electrically connected with the probe card 11.
It should be noted that, in the above connection relationship, the connection between any two components may be sealed to ensure that the loop from the gas inlet 2 to the gas outlet 10 is a sealed loop, thereby ensuring the accuracy of the oxygen concentration measurement.
The air inlet 2 can be arranged on the outer surface of the shell 1, penetrate through the shell 1 and are communicated with the test cavity 3. The air outlet 10 may also be disposed on the outer surface of the housing 1, and is communicated with the air outlet pipe 9 after penetrating through the housing 1.
In this embodiment, the probe card 11 includes a first wiring area and a second wiring area, the first wiring area includes a power interface and a signal transmission interface, the second wiring area includes a power interface and a signal transmission interface, the power interface is electrically connected to the controller 14, the signal transmission interface is electrically connected to the controller 14, and the first wiring area and the second wiring area are centrosymmetric.
As shown in fig. 5, two columns of four rows of contact arrays may be provided, with two contacts in each row. The first wiring region is formed by the first row and the second row, and the second wiring region is formed by the third row and the fourth row. The first contacts of the first row and the second row are used as power interfaces, the second contacts of the first row and the second row are used as signal transmission interfaces, the first contacts of the third row and the fourth row are used as signal transmission interfaces, and the second contacts of the third row and the fourth row are used as power contacts. Meanwhile, a power interface and a signal transmission interface are provided to meet the power supply requirement and the signal transmission requirement of the controller 14, so that the signal of the controller 14 can be transmitted to an external upper computer. By arranging the first and second wiring regions to be centrosymmetric, connection of the probe card 11 to other controllers can be facilitated.
As shown in fig. 6, the electronic flowmeter test chamber 7 comprises an air inlet 15, an air outlet 16, an air chamber 17, a first three-way pipe 18, a first pressure sensor 19, an air resistor 20, a second three-way pipe 21, a second pressure sensor 22, a first circulation end 23, a second circulation end 26 and an output pipe 27.
The air inlet end 15 is communicated to the air cavity 17, and a first pipe orifice of the first three-way pipeline 18 is communicated to the air cavity 17; the second pipe orifice of the first three-way pipe 18 is connected with a first pressure sensor 19, and the joint of the second pipe orifice of the first three-way pipe 18 and the first pressure sensor 19 is sealed; the third pipe orifice of the first three-way pipe 18 is communicated to the first pipe orifice of the second three-way pipe 21 through an air resistor 20; the second pipe orifice of the second three-way pipe 21 is connected with the second pressure sensor 22, the joint of the second pipe orifice of the second three-way pipe 21 and the second pressure sensor 22 is sealed, the third pipe orifice of the second three-way pipe 21 is communicated with the first circulation end 23, the second circulation end 26 is communicated with one end of an output pipe 27, and the other end of the output pipe 27 is communicated with the air outlet end 16.
In this embodiment, the air inlet end 15 is communicated with the air inlet pipe 6, the air outlet end 16 is communicated with the air outlet pipe 9, the first circulation end 23 is communicated with the air outlet end 24 of the air pump 8, and the second circulation end 26 is communicated with the air outlet end 25 of the air pump 8.
In this embodiment, this oxygen concentration detection module still includes space bar 13, be provided with the hole on the space bar 13, intake pipe 6 wears to locate the hole and is connected with electron flowmeter test cavity 7, outlet duct 9 wears to locate the hole and is connected with electron flowmeter test cavity 7.
The electronic flowmeter test cavity 7 and the air pump 8 are separated from the oxygen concentration sensor 4 through the partition plate 13, so that the oxygen concentration sensor 4 works in a single space, and the problem of abnormal work of other devices caused by a large amount of heat generated by the oxygen concentration sensor 4 is avoided.
In the present embodiment, the air inlet 2 is connected with the testing chamber 3 by screw threads, and the connection between the air inlet 2 and the testing chamber 3 is sealed.
In this embodiment, the testing chamber 3 is in threaded connection with the oxygen concentration sensor 4, and the connection between the testing chamber 3 and the oxygen concentration sensor 4 is axially sealed by a fluororubber gasket.
In this embodiment, the test chamber 3 is welded to the adapter tube 5, and the adapter tube 5 is welded to the air inlet tube 6.
In this embodiment, the air inlet tube 6 is radially sealed with the air inlet end of the electronic flowmeter test chamber 7 by a snap cap and a ferrule.
In this embodiment, the air outlet end of the electronic flowmeter testing cavity 7 is connected with the air outlet pipe 9 in a welding manner, and a sealing ring is arranged at the joint of the air outlet end of the electronic flowmeter testing cavity 7 and the air outlet pipe 9.
Optionally, the electronic flowmeter test chamber 7 and the air pump 8 may be connected by a pipeline, and if an interface exists in the pipeline between the two, sealing is performed at the interface.
The sealing is carried out at the connecting position of the two different components, so that the sealing performance of the whole gas loop is ensured, and more accurate oxygen concentration measurement is realized. It should be noted that the "component" may be any one of the air inlet 2, the test chamber 3, the oxygen concentration sensor 4, the adapter tube 5, the air inlet tube 6, the electronic flowmeter test chamber 7, the air pump 8, the air outlet tube 9, and the air outlet 10.
In this embodiment, the housing 1 is provided with a plurality of heat dissipation holes.
Through being provided with a plurality of louvres on shell 1, can distribute out the produced heat of the inside part of shell 1 effectively, avoid the inside high temperature of shell 1 to guaranteed the life and the measurement accuracy of this oxygen concentration detection module.
The utility model provides an oxygen concentration detection module has realized carrying out short-term test to the oxygen concentration of surrounding environment. The utility model discloses be provided with the probe card, made things convenient for the signal output of oxygen concentration sensor and the input of power to be provided with electron flowmeter test cavity and electron flowmeter sensor board, can realize the measurement to gas flow.
The utility model discloses a theory of operation does:
the method comprises the following steps: outputting signals of a controller 14 through a probe card 11, collecting signals of an oxygen concentration sensor 4, a first pressure sensor 19 and a second pressure sensor 22 through the controller 14, and communicating an air inlet 2 to a pipeline of oxygen to be detected or an oxygen environment to be detected;
step two: the controller 14 controls the operation of the suction pump 8 to start the oxygen concentration measurement.
It should be noted that, the components requiring power supply are powered up before the oxygen concentration is measured, so as to ensure the normal operation of the components.
Step three: the mixed gas enters the test chamber 3 from the gas inlet 2 under the action of the suction pump 8. The oxygen concentration sensor 4 that communicates with the test chamber 3 at this moment begins work, measures oxygen concentration through the oxygen concentration sensor 4 after, with measuring signal transmission to controller 14 to preliminarily realize oxygen concentration measurement.
Step four: the mixed gas continues to flow under the action of the air pump 8. After flowing through the adapter tube 5 and the air inlet tube 6 from the test chamber 3, the liquid reaches the inside of the test chamber 7 of the electronic flowmeter. At this time, the first pressure sensor 19 and the second pressure sensor 22 start measuring the gas flowing in, and the mixed gas continues to flow to the suction pump 8, flows back to the electronic flowmeter test chamber 7 from the suction pump 8, and flows out from the gas outlet pipe 9.
Step five: the measured mixed gas flows from the gas outlet pipe 9 to the gas outlet 10 for gas discharge.
In the process, pressure value signals measured by the first pressure sensor 19 and the second pressure sensor 22 are transmitted to the controller 14, and the gas flow rate can be obtained based on the pressure value signals.
When measuring oxygen concentration, measure gas to can measure the oxygen concentration in the unit volume, make the utility model provides an oxygen concentration detects module's applied scene is more.
Claims (9)
1. An oxygen concentration detection module is characterized by comprising a shell (1), an air inlet (2), a test cavity (3), an oxygen concentration sensor (4), a transfer pipe (5), an air inlet pipe (6), an electronic flowmeter, an air pump (8), an air outlet pipe (9), an air outlet (10), a probe board (11) and a controller (14); the electronic flowmeter comprises an electronic flowmeter test cavity (7) and an electronic flowmeter sensor board (12);
the testing cavity (3), the oxygen concentration sensor (4), the adapter tube (5), the air inlet tube (6), the electronic flowmeter testing cavity (7), the air pump (8), the air outlet tube (9), the electronic flowmeter sensor board (12) and the controller (14) are all arranged inside the shell (1); the air inlet (2), the air outlet (10) and the probe board (11) are arranged on the outer surface of the shell (1);
the air inlet (2) is communicated with a test cavity (3), the test cavity (3) is connected with an oxygen concentration sensor (4), and the test cavity (3) is communicated with an air inlet pipe (6) through a transfer pipe (5); the air inlet pipe (6) is communicated with an air inlet end of the electronic flowmeter testing cavity (7), a circulating end of the electronic flowmeter testing cavity (7) is communicated with the air pump (8), an air outlet end of the electronic flowmeter testing cavity (7) is communicated with the air outlet pipe (9), and the air outlet pipe (9) is communicated with the air outlet (10);
the electronic flowmeter sensor board (12) comprises a pressure sensor which is embedded on the electronic flowmeter test cavity (7); the oxygen concentration sensor (4), the air pump (8) and the electronic flowmeter sensor board (12) are electrically connected with a controller (14), and the controller (14) is electrically connected with the probe board (11).
2. The oxygen concentration detecting module according to claim 1, wherein the probe card (11) comprises a first wiring area and a second wiring area, the first wiring area comprises a power interface and a signal transmission interface, the second wiring area comprises a power interface and a signal transmission interface, the power interface is electrically connected with the controller (14), the signal transmission interface is electrically connected with the controller (14), and the first wiring area and the second wiring area are in central symmetry.
3. The oxygen concentration detection module according to claim 1, wherein the electronic flowmeter test chamber (7) comprises an air inlet end (15), an air outlet end (16), an air chamber (17), a first three-way pipe (18), a first pressure sensor (19), an air resistor (20), a second three-way pipe (21), a second pressure sensor (22), a first circulation end (23), a second circulation end (26) and an output pipe (27);
the air inlet end (15) is communicated into the air cavity (17), and a first pipe orifice of the first three-way pipeline (18) is communicated into the air cavity (17); the second pipe orifice of the first three-way pipe (18) is connected with a first pressure sensor (19), and the joint of the second pipe orifice of the first three-way pipe (18) and the first pressure sensor (19) is sealed; the third pipe orifice of the first three-way pipe (18) is communicated to the first pipe orifice of the second three-way pipe (21) through an air resistor (20); a second pipe orifice of the second three-way pipe (21) is connected with a second pressure sensor (22), the joint of the second pipe orifice of the second three-way pipe (21) and the second pressure sensor (22) is sealed, a third pipe orifice of the second three-way pipe (21) is communicated with a first circulation end (23), a second circulation end (26) is communicated with one end of an output pipe (27), and the other end of the output pipe (27) is communicated with an air outlet end (16);
the air inlet end (15) is communicated with the air inlet pipe (6), the air outlet end (16) is communicated with the air outlet pipe (9), the first circulating end (23) is communicated with the air exhaust end (24) of the air exhaust pump (8), and the second circulating end (26) is communicated with the air exhaust end (25) of the air exhaust pump (8).
4. The oxygen concentration detection module according to claim 1, further comprising a partition plate (13), wherein the partition plate (13) is provided with a plurality of holes, the air inlet pipe (6) is inserted into one hole and connected to the air inlet end of the electronic flowmeter test chamber (7), and the air outlet pipe (9) is inserted into another hole and connected to the air outlet end of the electronic flowmeter test chamber (7).
5. The oxygen concentration detection module according to claim 1, wherein the gas inlet (2) is in threaded connection with the test chamber (3), and the connection between the gas inlet (2) and the test chamber (3) is sealed.
6. The oxygen concentration detection module according to claim 1, wherein the test chamber (3) is in threaded connection with the oxygen concentration sensor (4), and the connection between the test chamber (3) and the oxygen concentration sensor (4) is axially sealed by a fluororubber gasket.
7. The oxygen concentration detection module according to claim 1, wherein the test chamber (3) is welded to an adapter tube (5), and the adapter tube (5) is welded to the inlet tube (6).
8. The oxygen concentration detection module according to claim 1, wherein the air inlet pipe (6) and the air inlet end of the electronic flowmeter test cavity (7) are radially sealed through a clamping cap and a clamping sleeve.
9. The oxygen concentration detection module according to claim 1, wherein the outlet end of the electronic flowmeter test cavity (7) is in threaded connection with the outlet pipe (9), and a sealing ring is arranged at the connection between the outlet end of the electronic flowmeter test cavity (7) and the outlet pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221378337.2U CN217820260U (en) | 2022-06-01 | 2022-06-01 | Oxygen concentration detection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221378337.2U CN217820260U (en) | 2022-06-01 | 2022-06-01 | Oxygen concentration detection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217820260U true CN217820260U (en) | 2022-11-15 |
Family
ID=83987263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221378337.2U Active CN217820260U (en) | 2022-06-01 | 2022-06-01 | Oxygen concentration detection module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217820260U (en) |
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2022
- 2022-06-01 CN CN202221378337.2U patent/CN217820260U/en active Active
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