阅读说明：本技术 一种气体遥感装置性能检测装置 (Gas remote sensing device performance detection device ) 是由 管增伦 吴中伟 管延龙 于 2019-10-10 设计创作，主要内容包括：本发明公开了一种气体遥感装置性能检测装置,包括：多个用于输出不同种类气体的气体装置；用于容纳多个所述气体装置输出并混合的混合气体的检定气室,所述检定气室具有供气体进入的检定气室进气孔及用于排出内部空气的检定气室出气口,所述检定气室具有能够被气体遥感装置检测其内部混合气体成分的检测结构；能够得出所述检定气室内混合气体中各种气体的浓度的检测机构。上述气体遥感装置性能检测装置,检测机构得出检定气室内混合气体中各种气体的浓度,该浓度值是标准量。气体遥感装置由检测结构通过检定气室中的混合气体后计算并显示环境气体的浓度值,该浓度值与标准量的差值为被测气体遥感装置的测量误差,实现气体遥感装置性能检测功能。(The invention discloses a performance detection device of a gas remote sensing device, which comprises: a plurality of gas devices for outputting different kinds of gases; the verification air chamber is provided with a verification air chamber air inlet for air to enter and a verification air chamber air outlet for discharging internal air, and the verification air chamber is provided with a detection structure capable of detecting the components of the internal mixed gas by a gas remote sensing device; the detection mechanism can obtain the concentration of various gases in the mixed gas in the detection gas chamber. According to the performance detection device of the gas remote sensing device, the detection mechanism obtains the concentration of each gas in the mixed gas in the verification gas chamber, and the concentration value is a standard quantity. The gas remote sensing device calculates and displays the concentration value of the environmental gas by the detection structure after detecting the mixed gas in the gas chamber, and the difference value of the concentration value and the standard quantity is the measurement error of the gas remote sensing device to be detected, thereby realizing the performance detection function of the gas remote sensing device.)

1. A gas remote sensing device performance detection device, comprising:

A plurality of gas devices for outputting different kinds of gases;

The verification air chamber (11) is used for containing mixed gas output and mixed by a plurality of gas devices, the verification air chamber (11) is provided with a verification air chamber air inlet for air to enter and a verification air chamber air outlet for discharging internal air, and the verification air chamber (11) is provided with a detection structure capable of detecting the components of the internal mixed gas by a gas remote sensing device;

and the detection mechanism can obtain the concentration of various gases in the mixed gas in the verification gas chamber (11).

2. the performance measurement device for a remote gas sensing device according to claim 1, wherein the plurality of gas devices include a methane gas device (2), a carbon monoxide gas device (3), a carbon dioxide device (4), a nitrogen gas device (5), and an oxygen gas device (6).

3. The performance measurement device according to claim 1 or 2, further comprising a gas mixer (7) for accommodating and mixing a plurality of output gases of the gas device;

the gas mixer (7) is provided with a gas mixer air inlet connected with the output ends of the plurality of gas devices and a gas mixer air outlet connected with the gas inlet hole of the verification gas chamber.

4. The performance measurement device of a gas remote sensing device according to claim 3, wherein the gas mixer (7) comprises:

The gas container (14) is provided with a gas mixer gas outlet and a plurality of gas mixer gas inlets which are connected with the gas device in a one-to-one correspondence manner;

the gas mixer comprises a plurality of switch valves (13), wherein the switch valves (13) are arranged in one-to-one correspondence with gas inlets of the gas mixer.

5. the performance detection device for the gas remote sensing device according to claim 4, wherein the on-off valve (13) is an electromagnetic valve;

the gas mixer (7) further comprises a solenoid valve controller (12) for controlling the opening and closing of the plurality of solenoid valves.

6. The gas remote sensing device performance detection device of claim 5, wherein the detection structure comprises a master controller (1);

The main controller (1) has an electromagnetic valve control unit that sends a control signal to the electromagnetic valve controller (12).

7. The remote gas sensing device performance detection device of claim 1, wherein the calibration gas chamber (11) is a transparent enclosure;

The detection structure is a transparent outer wall of the verification air chamber (11).

8. The remote gas sensing device performance detection device of claim 7, wherein the transparent enclosure is a box made of plexiglass.

9. The remote gas sensing device performance measuring device of claim 1, wherein the sensing mechanism comprises:

The laser emitter (8) emits a laser signal, and the laser signal penetrates through mixed gas in the verification gas chamber (11) through a detection structure of the verification gas chamber (11);

A photoelectric sensor (9), wherein the photoelectric sensor (9) receives the laser signal passing through the mixed gas and emits an optical electric signal;

An A/D converter (10), wherein the A/D converter (10) receives the photoelectric signal and sends out a conversion signal;

And the main controller (1) is used for calculating the concentration of each gas in the mixed gas in the verification gas chamber (11) according to the conversion signal.

10. the remote gas sensing device performance testing apparatus of claim 1, wherein the calibration gas chamber gas outlet is an opening communicating with an external space.

Technical Field

the invention relates to the technical field of detection equipment, in particular to a performance detection device of a gas remote sensing device.

Background

The performance detection device of the post-disaster mine environment gas remote sensing device is a novel detection device, and the mine environment after the disaster is severe, so that rescue workers face dangers such as gas explosion, carbon monoxide poisoning and the like when going into the well for emergency rescue, and in order to guarantee the safety of the rescue workers, people research a remote sensing device for remotely detecting the mine environment gas.

At present, each coal mine has a calibrating device aiming at the traditional mine gas detecting instrument, but a detecting device for the performance of a remote sensing device is lacked.

Therefore, how to implement performance detection of a remote sensing device is a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

in view of this, the present invention provides a performance detection device for a gas remote sensing device, so as to realize performance detection of the remote sensing device.

In order to achieve the purpose, the invention provides the following technical scheme:

A gas remote sensing device performance detection device comprising:

A plurality of gas devices for outputting different kinds of gases;

The verification air chamber is provided with a verification air chamber air inlet for air to enter and a verification air chamber air outlet for discharging internal air, and the verification air chamber is provided with a detection structure capable of detecting the components of the internal mixed gas by a gas remote sensing device;

The detection mechanism can obtain the concentration of various gases in the mixed gas in the detection gas chamber.

optionally, in the performance detection device for a gas remote sensing device, the plurality of gas devices include a methane gas device, a carbon monoxide gas device, a carbon dioxide device, a nitrogen gas device, and an oxygen gas device.

Optionally, the performance detection device of the gas remote sensing device further comprises a gas mixer for accommodating and mixing a plurality of output gases of the gas device;

The gas mixer is provided with a gas mixer air inlet connected with the output ends of the plurality of gas devices and a gas mixer air outlet connected with the gas inlet hole of the verification gas chamber.

Optionally, in the performance testing apparatus for a gas remote sensing device, the gas mixer includes:

The gas container is provided with a gas outlet of the gas mixer and a plurality of gas inlets of the gas mixer, and the gas inlets of the gas mixer are connected with the gas devices in a one-to-one correspondence manner;

And the switch valves are arranged in one-to-one correspondence with the air inlets of the gas mixer.

optionally, in the performance detection device of the gas remote sensing device, the switch valve is an electromagnetic valve;

the gas mixer further comprises a solenoid valve controller for controlling the opening and closing of the plurality of solenoid valves.

optionally, in the performance detection device of the gas remote sensing device, the detection structure includes a main controller;

The main controller has an electromagnetic valve control unit that sends a control signal to the electromagnetic valve controller.

Optionally, in the performance detection device for the gas remote sensing device, the verification gas chamber is a transparent airtight box;

the detection structure is a transparent outer wall of the verification air chamber.

Optionally, in the performance detection device of the gas remote sensing device, the transparent airtight box is a box body made of organic glass.

optionally, in the performance detection device of a gas remote sensing device, the detection mechanism includes:

The laser emitter emits a laser signal, and the laser signal penetrates through the mixed gas in the verification gas chamber through the detection structure of the verification gas chamber;

the photoelectric sensor is arranged corresponding to the laser emitter and used for receiving the laser signal penetrating through the mixed gas and emitting an optical signal;

The A/D converter is in communication connection with the photoelectric sensor and is used for sending a conversion signal;

And the main controller is used for calculating the concentration of each gas in the mixed gas in the verification gas chamber according to the conversion signal.

Optionally, in the performance detection device of the gas remote sensing device, the gas outlet of the verification gas chamber is an opening communicated with an external space.

According to the technical scheme, in the detection process, the concentration of various gases in the mixed gas in the verification gas chamber is obtained through the detection mechanism, and the concentration value is a standard quantity for detecting the performance of the gas remote sensing device. When the performance of the gas remote sensing device is tested, the gas remote sensing device is placed at one end of the verification gas chamber, a remote sensing laser signal is emitted towards the verification gas chamber, the laser signal passes through mixed gas in the verification gas chamber by a detection structure and then reaches the other end face of the verification gas chamber to be reflected, the reflected signal is received by the gas remote sensing device through the mixed gas in the verification gas chamber, the gas remote sensing device calculates and displays a concentration value of environmental gas according to the attenuation of the mixed gas in the verification gas chamber in which the laser passes back and forth, and the difference value of the concentration value and a standard quantity of the performance detection device of the gas remote sensing device is a measurement error of the measured gas remote sensing device, so that the performance detection function of the gas remote sensing device is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a device for detecting the performance of a gas remote sensing device according to an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a gas mixer according to an embodiment of the present invention.

Detailed Description

The invention discloses a performance detection device of a gas remote sensing device, which is used for realizing performance detection of the remote sensing device.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a performance detection apparatus for a gas remote sensing device, which includes a plurality of gas devices, a calibration gas chamber 11 and a detection mechanism.

The gas devices are used for outputting different kinds of gas, wherein the gas devices can correspond to the different kinds of gas one by one; any two or more of the plurality of gas apparatuses may be provided with the same kind of gas, and it is only necessary to ensure that one kind of gas is contained in each of the plurality of gas apparatuses and that a plurality of kinds of gases are contained in the plurality of gas apparatuses. The verification air chamber 11 is used for accommodating mixed gas output and mixed by a plurality of gas devices, the verification air chamber 11 is provided with a verification air chamber air inlet for air to enter and a verification air chamber air outlet for discharging internal air, and the verification air chamber 11 is provided with a detection structure capable of detecting internal mixed gas components of the verification air chamber 11 by a gas remote sensing device; the detection mechanism is capable of deriving the concentration of each gas in the mixed gas in the calibration gas chamber 11.

In the performance detection device of the gas remote sensing device provided by the embodiment of the invention, in the detection process, the concentration of various gases in the mixed gas in the verification gas chamber 11 is obtained through a detection mechanism, and the concentration value is a standard quantity for detecting the performance of the gas remote sensing device. When the performance of the gas remote sensing device is tested, the gas remote sensing device is placed at one end of the verification gas chamber 11, a remote sensing laser signal is emitted towards the verification gas chamber 11, the laser signal passes through mixed gas in the verification gas chamber 11 by a detection structure and then reaches the other end face of the verification gas chamber 11 to be reflected, the reflected signal is received by the gas remote sensing device through the mixed gas in the verification gas chamber 11, the gas remote sensing device calculates and displays a concentration value of environmental gas according to the attenuation quantity of the mixed gas in the verification gas chamber 11 which is traversed by laser, and the difference value of the concentration value and a standard quantity of the performance detection device of the gas remote sensing device is a measurement error of the measured gas remote sensing device, so that the performance detection function of the gas remote sensing device is realized.

The gas remote sensing device for detecting the performance of the gas remote sensing device comprises a mine environment gas remote sensing device and can also be applied to gas remote sensing devices in other occasions, such as post-disaster remote sensing detection or dangerous gas remote sensing detection and the like.

in the present embodiment, the plurality of gas apparatuses include a methane gas apparatus 2, a carbon monoxide gas apparatus 3, a carbon dioxide gas apparatus 4, a nitrogen gas apparatus 5, and an oxygen gas apparatus 6.

The plurality of gas devices may include other types of gas devices, and only need to be arranged corresponding to the gas remote sensing device to be detected, which is not limited herein.

the performance detection device of the gas remote sensing device provided by the embodiment of the invention also comprises a gas mixer 7 for accommodating and mixing the output gases of a plurality of gas devices; the gas mixer 7 is provided with gas mixer gas inlets connected with the output ends of the plurality of gas devices and gas mixer gas outlets connected with the gas inlet holes of the verification gas chamber. Through set up gas blender 7 between a plurality of gas devices and examination air chamber 11, effectively improved the gaseous mixed effect of different kinds of a plurality of gas device outputs to improved the gaseous misce bene degree of examination air chamber 11 internal mixing, and then improved and detected the precision.

As shown in fig. 2, the gas mixer 7 includes a gas container 14 and a plurality of on-off valves 13; the gas container 14 is provided with a gas mixer gas outlet and a plurality of gas mixer gas inlets which are connected with the gas devices in a one-to-one correspondence manner; the switch valves 13 are arranged in one-to-one correspondence with the gas inlets of the gas mixer. With the arrangement, the plurality of gas devices can be controlled to be communicated with and closed off the gas container 14 through the corresponding switch valves 13, so that any number of the plurality of gas devices can be controlled to be communicated with the gas container 14 and gas can be supplied to the gas container, and the gas components in the mixed gas can be conveniently controlled. Further, the total amount of any one of the gases in the mixed gas can be controlled by controlling the opening/closing time of the on-off valve 13 based on the known gas flow rate, and the concentration can be controlled.

For the sake of convenience of control, the on-off valve 13 is a solenoid valve; the gas mixer 7 further includes a solenoid valve controller 12 for controlling the opening and closing of the plurality of solenoid valves. Through the arrangement, the automatic control of the performance detection device of the gas remote sensing device is effectively improved. Of course, the on-off valve 13 may be provided as a manual control valve.

in this embodiment, the detection structure includes a main controller 1; the main controller 1 has a solenoid valve control unit that sends a control signal to the solenoid valve controller 12. In the present embodiment, the detection mechanism includes: the device comprises a main controller 1, a laser emitter 8, a photoelectric sensor 9 and a data collector 10. The main controller 1 has a laser emission control unit for controlling the laser emitter 8 to emit a laser signal, a calculation control unit connected to the signal output end of the data collector 10 and receiving the data signal, and an electromagnetic valve control unit for emitting a control signal to the electromagnetic valve controller 12. In the detection process, firstly, the solenoid valve controller 12 in the gas mixer 7 is controlled by the solenoid valve control unit of the main controller 1, so that the solenoid valve controller 12 controls any several (including all) of the plurality of solenoid valves to be opened, so that the gas in the plurality of gas devices corresponding to the opened solenoid valves enters the gas container 14 to be mixed, and after the mixed gas in the gas container 14 is stable, the mixed gas is input into the verification gas chamber 11, so that the verification gas chamber 11 is filled with the mixed gas. Then the laser emission control unit of the main controller 1 controls the laser emitter 8 to emit laser signals, the laser signals reach the photoelectric sensor 9 through the mixed gas in the verification gas chamber 11, the photoelectric sensor 9 outputs electric signals after receiving the laser signals, the electric signals are transmitted to the data collector 10, the data collector 10 converts the received electric signals into data signals, the data signals are transmitted to the calculation control unit of the main controller 1, and the calculation control unit of the main controller 1 calculates the concentration of each gas in the mixed gas in the verification gas chamber 11 according to the received data signals.

it is also possible to cause the solenoid valve control unit of the main controller 1 of the detection structure to control the solenoid valve controller 12 in the gas mixer 7 such that the solenoid valve controller 12 controls any several (including all) of the plurality of solenoid valves to open. The gas quantity (gas volume) of each gas in the mixed gas in the calibration gas chamber 11 can be calculated by detecting the flow rate of the gas output to the calibration gas chamber 11 by the plurality of gas devices provided corresponding to the opened electromagnetic valves and the opening time of the electromagnetic valves, so that the concentration of each gas in the mixed gas in the calibration gas chamber 11 can be calculated.

Further, the verification air chamber 11 is a transparent airtight box; the detection structure is a transparent outer wall of the verification gas chamber 11. In this embodiment, the other end face of the calibration gas chamber 11 is also a transparent outer wall, and the laser signal can still be reflected on the transparent outer wall. Alternatively, a separate reflective surface (which may be of opaque or translucent construction) may be provided on the other end face of the assay gas cell 11 so that the laser signal reaching the other end face of the assay gas cell 11 is reflected.

Through the arrangement, a laser signal emitted by the gas remote sensing device can directly penetrate through the transparent outer wall (detection structure) and detect the mixed gas in the verification gas chamber 11. That is, the gas remote sensing device is placed at one end of the verification gas chamber 11, remote sensing laser signals are emitted towards the verification gas chamber 11, the laser signals pass through the mixed gas in the verification gas chamber 11 and reach the other end face of the verification gas chamber 11 to be reflected, the reflected signals are received by the gas remote sensing device through the mixed gas in the verification gas chamber 11, the gas remote sensing device calculates and displays the concentration value of the environmental gas according to the attenuation amount of the mixed gas in the verification gas chamber 11 through which the laser passes back and forth, and the difference value between the concentration value and the standard quantity (the concentration value obtained by the detection mechanism) of the performance detection device of the gas remote sensing device is the measurement error of the measured gas remote sensing device, thereby realizing the performance detection function of the gas remote sensing device.

a transparent window or a through hole structure can also be arranged on the verification gas chamber 11 and used as a detection structure. It is only necessary to ensure that the laser light is able to pass through the detection structure and into the calibration gas chamber 11 to be reflected out of the calibration gas chamber 11.

the gas remote sensing device can be a mine environment gas remote sensing device, an atmospheric gas remote sensing device or a dangerous gas remote sensing device and the like, and the concentration value of the mixed gas can be obtained by only ensuring that the gas remote sensing device can emit laser and detecting the mixed gas through the laser.

The verification gas chamber 11 may also be made of a non-transparent material, and the detection structure is configured as a transparent window or a window on the verification gas chamber 11.

in order to improve the stability of the verification gas chamber 11, the transparent airtight box is a box body made of organic glass. Transparent plastics or other transparent materials may also be used, which are not described here in any more detail and are all within the scope of protection.

in this embodiment, the detection mechanism includes a main controller 1, a laser emitter 8, a photoelectric sensor 9, and a data collector 10.

The detection mechanism includes: a main controller 1, a laser emitter 8, a photoelectric sensor 9 and an A/D converter 10. The laser emitter 8 emits a laser signal, and the laser signal passes through the mixed gas in the verification gas chamber 11 through the detection structure of the verification gas chamber 11; the photoelectric sensor 9 receives the laser signal passing through the mixed gas and emits an optical electrical signal. In this embodiment, the photoelectric sensor 9 is provided corresponding to the laser emitter 8. The A/D converter 10 receives the photoelectric signal and sends out a conversion signal; the main controller 1 calculates the concentrations of the respective gases in the mixed gas in the verification gas chamber 11 based on the converted signals. The principle of detecting the concentration of each gas in the mixed gas by the gas remote sensing device is the same as or similar to that of detecting the concentration of each gas in the mixed gas by the gas remote sensing device, the laser signal passing through the mixed gas is changed, and the main controller 1 calculates the concentration of each gas in the mixed gas according to the change result.

It will be appreciated that the laser light transmission between the photosensor 9 and the laser emitter 8 may be accomplished by the detection structure described above, or other structures for passing laser light through the assay gas cell 11 may be separately provided on the assay gas cell 11.

in this embodiment, the main controller 1 adopts an embedded control board TQ210v 3; the laser transmitter 8 adopts a laser with the wavelength of 1650 nm; the photoelectric sensor 9 adopts a DSC10H photoelectric detector; the a/D converter 10 is preferably a data collector using an ART2000 module.

the detecting mechanism may include a control device for controlling the amount of gas supplied to the calibration gas chamber 11 by the plurality of gas units, and the amount of gas of all kinds of gas supplied to the calibration gas chamber 11 may be directly obtained by controlling the amount of gas of any one kind of gas supplied to the calibration gas chamber 11, so that the concentration of each kind of gas in the mixed gas in the calibration gas chamber 11 may be directly obtained by calculation.

When the performance detection device of the gas remote sensing device is used, mixed gas is input into the verification gas chamber 11, and the verification gas chamber 11 is filled with the mixed gas. Then the laser emission control unit of the main controller 1 controls the laser emitter 8 to emit laser signals, the laser signals reach the photoelectric sensor 9 through the mixed gas in the verification gas chamber 11, the photoelectric sensor 9 outputs electric signals after receiving the laser signals, the electric signals are transmitted to the data collector 10, the data collector 10 converts the received electric signals into data signals, the data signals are transmitted to the calculation control unit of the main controller 1, and the calculation control unit of the main controller 1 calculates the concentration of each gas in the mixed gas in the verification gas chamber 11 according to the received data signals. Wherein, the concentration value is a standard quantity for testing the performance of the gas remote sensing device.

In this embodiment, the gas outlet of the calibration gas chamber 11 is an opening communicated with the external space, and is configured to exhaust the original air in the calibration gas chamber 11. In order to avoid the mixed gas from overflowing into the external space, the gas outlet of the verification gas chamber may be set as an opening connected to a gas recovery device, so as to recover the secondary mixed gas of the original air and the mixed gas in the verification gas chamber 11.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.