Novel carbon dioxide calibrator

Abstract

The utility model relates to the technical field of carbon dioxide detection, and discloses a novel carbon dioxide calibrator, which comprises a container bag, a gas inlet end, a gas outlet end, a calibrator and a wire interface, the gas inlet end and the gas outlet end are respectively arranged on the container bag, the calibrator is arranged in the container bag, the wire interface is arranged on the container bag, and the wire interface is arranged on the container bag. The wiring end of the calibrator is electrically connected with the outside through the wire interface. The calibrator comprises a bottom shell, an upper cover, a control circuit board, a carbon dioxide sensor and a ventilation mechanism, the upper cover is installed on the bottom shell, a device cavity is defined by the bottom shell and the upper cover, the control circuit board and the carbon dioxide sensor are arranged in the device cavity, and the ventilation mechanism is installed on the bottom shell and the upper cover and used for communicating the container bag environment with the environment in the device cavity. The control end of the carbon dioxide sensor is electrically connected with the control end of the control circuit board. The calibrator can realize simple operation of carbon dioxide detection, is convenient to carry, reduces the cost and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon dioxide detection technical field, concretely relates to a new carbon dioxide calibrator. BACKGROUND

[0002] Carbon dioxide is one of the necessary gases for plant photosynthesis, which can promote the growth and nutrient absorption of plants. Studies have shown that when the carbon dioxide concentration reaches 800ppm, the overall growth rate of crops is accelerated, and the yield is also increased accordingly. How to know the concentration of carbon dioxide, generally needs to use carbon dioxide concentration tester to determine, there will be carbon dioxide probe on carbon dioxide concentration tester, in the use process of carbon dioxide concentration tester, because carbon dioxide probe works for a long time, there will be problems such as detection accuracy decline, carbon dioxide needs to be detected and corrected regularly to ensure that carbon dioxide probe detects accurately. However, the detection and calibration of carbon dioxide probe on the market need to be put into calibration equipment for detection and calibration, which is cumbersome to operate, needs large equipment assistance, has high cost, is inconvenient to carry and the like.

[0003] Therefore, the existing carbon dioxide detection technology needs to be further designed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the problems of cumbersome operation, inconvenience to carry and high cost of the existing carbon dioxide detection technology, and through reasonable design of carbon dioxide detection technology, adopts container bag, air inlet end, air outlet end, calibrator and wire interface, and the calibrator includes bottom shell, upper cover, control circuit board, carbon dioxide sensor and ventilation mechanism, so that simple operation, convenient carrying and cost reduction of carbon dioxide detection can be realized.

[0005] The technical scheme of the utility model is as follows:

[0006] A new carbon dioxide calibrator, the carbon dioxide calibrator includes: container bag, air inlet end, air outlet end, calibrator and wire interface, the air inlet end and air outlet end are arranged on the container bag respectively, the calibrator is installed in the container bag, the wire interface is installed on the container bag, and the wiring end of the calibrator is electrically connected with the outside through the wire interface;

[0007] The calibrator includes bottom shell, upper cover, control circuit board, carbon dioxide sensor and ventilation mechanism, the upper cover is installed on the bottom shell, the bottom shell and upper cover enclose the cavity, the control circuit board and carbon dioxide sensor are arranged in the cavity, the ventilation mechanism is installed on the bottom shell and upper cover, the ventilation mechanism is used to make the environment of container bag and the environment in the cavity communicate, and the control end of the carbon dioxide sensor is electrically connected with the control end of the control circuit board.

[0008] Further, the calibrator further comprises a protective sleeve, which is arranged in the cavity, and the control circuit board and the carbon dioxide sensor are arranged in the protective sleeve.

[0009] Further, the protective sleeve is a waterproof and breathable protective sleeve.

[0010] Further, the container bag is a transparent container bag.

[0011] Further, the calibrator further comprises a display, which is mounted on the upper cover, and the control end of the display is electrically connected to the control end of the control circuit board.

[0012] Further, the ventilation mechanism comprises annular ventilation channels, which are arranged on the bottom shell and the upper cover, the air inlet of the annular ventilation channel faces the air inlet end, and the air outlet of the annular ventilation channel faces the air outlet end.

[0013] Further, the annular ventilation channel is at least two.

[0014] Further, the air outlet end is provided with a one-way air outlet valve.

[0015] Further, the container bag is a plastic container bag.

[0016] Further, the bottom shell, the upper cover and the ventilation mechanism are all plastic.

[0017] Further, the bottom shell and the upper cover are snap-connected or screw-threaded.

[0018] Further, the ventilation mechanism comprises a bottom ventilation mechanism and a cover ventilation mechanism, the bottom ventilation mechanism is arranged on the bottom shell, and the cover ventilation mechanism is arranged on the upper cover.

[0019] Further, the bottom ventilation mechanism and the bottom shell are integrally formed, and the cover ventilation mechanism and the upper cover are integrally formed.

[0020] Further, the carbon dioxide sensor is a graphene carbon dioxide sensor.

[0021] Further, the display is a liquid crystal display or an LED display.

[0022] Advantages

[0023] The utility model discloses a reasonable design to carbon dioxide detection technology adopts the container bag, the air inlet, the air outlet, the calibrator and the wire interface, and the calibrator includes bottom shell, upper cover, control circuit board, carbon dioxide sensor and ventilation mechanism, can realize simple operation, convenient carrying and reduce cost etc. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure diagram of a new type carbon dioxide calibrator of the utility model.

[0025] Figure 2 It is a structure diagram of the calibrator of a new type carbon dioxide calibrator of the utility model.

[0026] Figure 3 It is a structure diagram of the protective sleeve of a new type carbon dioxide calibrator of the utility model.

[0027] Figure 4 It is a structure diagram of carbon dioxide sensor of a new type carbon dioxide calibrator of the utility model.

[0028] Drawing reference: 01, container bag;02, air inlet;03, air outlet;04, wire interface;05, bottom shell;06, annular air passage;07, upper cover;08, display;09, protective sleeve;10, carbon dioxide sensor;11, control circuit board. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the scope of protection of the utility model.

[0030] Referring to Figures 1-4 The utility model discloses a kind of new carbon dioxide calibrators, and the carbon dioxide calibrator includes: container bag 01, air inlet 02, air outlet 03, calibrator and wire interface 04, the container bag 01 selects transparent container bag;Container bag 01 selects the container bag of plastic material;

[0031] The air inlet end 02 and the air outlet end 03 are arranged on the container bag 01 respectively, the calibrator is installed in the container bag 01, the wire interface 04 is arranged on the container bag 01, and the wiring end of the calibrator is connected with the outside through the wire interface 04;

[0032] The calibrator comprises a bottom shell 05, an upper cover 07, a control circuit board 11, a carbon dioxide sensor 10 and a ventilation mechanism, the upper cover 07 is installed on the bottom shell 05, the bottom shell 05 and the upper cover 07 enclose a cavity, the control circuit board 11 and the carbon dioxide sensor 10 are arranged in the cavity, the ventilation mechanism is installed on the bottom shell 05 and the upper cover 07, the ventilation mechanism is used for connecting the environment of the container bag 01 with the environment in the cavity, the control end of the carbon dioxide sensor 10 is electrically connected with the control end of the control circuit board 11, and the control circuit board 11 is connected with the outside through the wire interface; the calibrator further comprises a protective sleeve 09, the protective sleeve 09 is arranged in the cavity, and the control circuit board 11 and the carbon dioxide sensor 10 are arranged in the protective sleeve 09; the protective sleeve 09 is selected from a waterproof and breathable protective sleeve; the calibrator further comprises a display 08, the display 08 is installed on the upper cover 07, and the control end of the display 08 is electrically connected with the control end of the control circuit board 11; the display 08 is selected from a liquid crystal display or an LED display;

[0033] The ventilation mechanism comprises a ring-shaped ventilation channel 06, the ring-shaped ventilation channel 06 is arranged on the bottom shell 05 and the upper cover 07, the air inlet of the ring-shaped ventilation channel 06 faces the air inlet end 02, and the air outlet of the ring-shaped ventilation channel faces the air outlet end 03; the ring-shaped ventilation channel 06 is selected from four; the air outlet end 03 is provided with a one-way air outlet valve; the air inlet end 02 is provided with a one-way air inlet valve;

[0034] The bottom shell 05, the upper cover 07 and the ventilation mechanism are all selected from plastic materials; the bottom shell 05 and the upper cover 07 are selected from buckle connection or screw thread connection; the ventilation mechanism comprises a bottom ventilation mechanism and a cover ventilation mechanism, the bottom ventilation mechanism is arranged on the bottom shell 05, and the cover ventilation mechanism is arranged on the upper cover 07; the bottom ventilation mechanism and the bottom shell 05 are arranged in an integrated mode, and the cover ventilation mechanism and the upper cover 07 are arranged in an integrated mode;

[0035] The carbon dioxide sensor 10 is selected from a graphene type carbon dioxide sensor.

[0036] The specific implementation manner of the calibrator is as follows: the calibrator is assembled and placed in a place where carbon dioxide concentration needs to be detected, the container bag is vacuumed through the air outlet end, external carbon dioxide is put into the container bag through the air inlet end, the control circuit board is powered, the control circuit board controls the carbon dioxide sensor to detect the carbon dioxide content, and the display is used for displaying test data through processing and analysis.

[0037] Specifically, the carbon dioxide probe is put into the container bag, then the container bag is closed, one side of the container bag is provided with a placing opening, a sealing clamping strip is arranged at the opening for sealing the opening, after the air is extracted from the gas outlet of the one-way valve, the gas outlet is closed, then the carbon dioxide with standard concentration (for example, 400ppm or 1000ppm, etc.) is filled from the gas inlet, according to the filled gas, whether the carbon dioxide probe meets the accuracy requirement of the equipment is detected, if the result does not meet the requirement, the carbon dioxide probe needs to be calibrated, the filled gas is changed into nitrogen, after the nitrogen is filled, the probe is calibrated to zero value, then the nitrogen is replaced by carbon dioxide again, the accuracy of the carbon dioxide probe is verified, the carbon dioxide probe is the calibrator.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel carbon dioxide calibrator characterized in that, The carbon dioxide calibrator comprises a container bag, an air inlet end, an air outlet end, a calibrator and a wire interface, the air inlet end and the air outlet end are arranged on the container bag respectively, the calibrator is installed in the container bag, the wire interface is installed on the container bag, and the wiring end of the calibrator is electrically connected with the outside through the wire interface; The calibrator comprises a bottom shell, an upper cover, a control circuit board, a carbon dioxide sensor and a ventilation mechanism, the upper cover is installed on the bottom shell, the bottom shell and the upper cover form a cavity, the control circuit board and the carbon dioxide sensor are arranged in the cavity, the ventilation mechanism is installed on the bottom shell and the upper cover, the ventilation mechanism is used for connecting the environment of the container bag with the environment in the cavity, and the control end of the carbon dioxide sensor is electrically connected with the control end of the control circuit board.

2. A new carbon dioxide calibrator according to claim 1, characterized in that, The calibrator further comprises a protective sleeve, the protective sleeve is arranged in the cavity, and the control circuit board and the carbon dioxide sensor are arranged in the protective sleeve.

3. A new carbon dioxide calibrator according to claim 2, characterized in that, The protective sleeve is a waterproof and breathable protective sleeve.

4. A new carbon dioxide calibrator according to claim 1, characterized in that, The container bag is a transparent container bag.

5. A novel carbon dioxide calibrator as claimed in claim 4, wherein, The calibrator further comprises a display, the display is installed on the upper cover, and the control end of the display is electrically connected with the control end of the control circuit board.

6. A novel carbon dioxide calibrator as claimed in claim 5, wherein, The ventilation mechanism comprises an annular ventilation channel, the annular ventilation channel is arranged on the bottom shell and the upper cover, the air inlet of the annular ventilation channel faces the air inlet end, and the air outlet of the annular ventilation channel faces the air outlet end.

7. A novel carbon dioxide calibrator according to claim 6, characterized in that, The annular ventilation channel is at least two.

8. A new carbon dioxide calibrator according to claim 1, characterized in that, The air outlet end is provided with a one-way air outlet valve.

9. A new carbon dioxide calibrator according to claim 4, characterized in that, The container bag is a plastic container bag.

10. A new carbon dioxide calibrator according to claim 1, characterized in that, The bottom shell, the upper cover and the ventilation mechanism are all plastic.

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