Gas circuit control integrated module for removable dust meter

Abstract

The utility model provides an extraction type dust meter gas circuit control integrated module, and belongs to the technical field of environment monitoring equipment. An air inlet pipeline is arranged on the right side of the module body, a main air pipeline is arranged in the module body, and the air inlet pipeline communicates with the main air pipeline; a multi-channel gas path distribution unit is arranged on the main gas pipeline, and each electromagnetic valve in the multi-channel gas path distribution unit distributes a gas source in the front-stage main gas pipeline to each gas path at the rear end; the control computer is connected with two electromagnetic valves in the multi-channel gas path distribution unit to collect gas pressure signals, and a gas source pressure detection unit is formed; a gas distribution control unit is arranged at the lower part of the module body, is connected with a control computer and is controlled by the control computer to sample a pressure gas source at any time; the left side of the module body is provided with a shielding gas amount manual adjusting unit. According to the utility model, real-time monitoring of working condition change parameters of a waste gas suction gas source is realized, the conformity and authenticity of a sampling environment and a real working condition are ensured, and the sampling precision is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of environmental monitoring equipment, and in particular relates to an air path control integrated module of an extraction type dust monitor. Background Art

[0002] In environmental monitoring, waste gas is discharged in an unstable flow field. During the discharge process, a dust gas volume control device is required to provide the corresponding source-level pressure to the suction pump for suction. The pressure and flow rate under normal working conditions change in real time. However, the existing instruments used to monitor the gas volume pressure conditions often collect samples under specific extraction pressure and flow rate conditions during the sampling process. This results in the sampling environment and the emission environment under actual working conditions. The consistency and authenticity of the sampling in the same time period and space cannot be guaranteed, and the accuracy of gas path control cannot be achieved. Therefore, it is necessary to propose improvements. Utility Model Content

[0003] The technical problem solved by the utility model is to provide an extraction type dust meter air path control integrated module. The utility model aims to realize real-time monitoring of the operating condition change parameters of the exhaust gas suction source, ensure the consistency and authenticity of the sampling environment and the actual working conditions, and improve the sampling accuracy.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An extractable dust monitor air path control integrated module comprises a module body, an air intake pipeline is arranged on the right side of the module body, a main air pipeline is arranged inside the module body, and the air intake pipeline is communicated with the main air pipeline;

[0006] A multi-channel gas distribution unit is provided on the main gas pipeline, and a plurality of solenoid valves are connected to the multi-channel gas distribution unit. Each solenoid valve in the multi-channel gas distribution unit distributes the gas source in the front-stage main gas pipeline to each gas path at the rear end for use;

[0007] The control computer is connected to two solenoid valves in the multi-channel gas distribution unit to collect gas pressure signals and form a gas source pressure detection unit;

[0008] The lower part of the module body is provided with an air distribution control unit, which is connected to a control computer and is controlled by the control computer to sample the pressure gas source at any time;

[0009] A manual regulating unit for the amount of protective gas connected to the main gas pipeline is provided on the left side of the module body.

[0010] As a further limitation of the above scheme, the multi-channel gas distribution unit includes a plurality of channels connected to the main gas pipeline, each of the channels is connected to a corresponding solenoid valve, and the solenoid valve is connected to a corresponding external gas circuit.

[0011] To further limit the above scheme, the air source pressure detection unit includes a differential pressure inlet L and a differential pressure inlet H provided on two of the solenoid valves, and the differential pressure inlet L and the differential pressure inlet H are both connected to the control computer through a signal line. The air source pressure detection unit also includes an air source pressure monitoring sensor, and the air source pressure monitoring sensor is connected to the control computer through a signal line.

[0012] To further limit the above scheme, the gas distribution control unit includes a proportional regulating valve and a proportional gas output pipe, the proportional regulating valve is fixed at the lower part of the module body, the proportional gas output pipe is arranged on the left side of the module body, the air inlet of the proportional regulating valve is connected to the air inlet pipeline, the air outlet of the proportional regulating valve is connected to the proportional gas output pipe, the proportional regulating valve is connected to the control computer and is controlled by the control computer to sample and adjust the pressure gas source.

[0013] As a further limitation of the above scheme, the gas distribution control unit also includes a proportional output pressure monitoring sensor, the proportional output pressure monitoring sensor is arranged on the proportional gas output pipe, and the proportional output pressure monitoring sensor is connected to the control computer.

[0014] To further limit the above scheme, the manual regulating unit of the protective gas volume includes a manually regulating gas output pipe, which is arranged on the left side of the module body, connected to the main gas pipeline, and provided with a manually regulating gas valve.

[0015] The advantages of this utility model compared with the prior art:

[0016] This scheme is based on solving the problems existing in the prior art and designs an integrated air circuit control module for an extraction type dust monitor. The air source pressure is monitored in real time through an air source pressure detection unit, and the signal is transmitted to a control computer, which determines whether the air source pressure can support and guarantee the required back-end control pressure; the pressure is sampled arbitrarily under computer control through an air distribution control unit; the real-time monitoring of the working condition change parameters of the suction pump air source is realized, and the sampling environment of the sampling end is controlled to be consistent with the actual working condition in real time, thereby increasing the feasibility of sampling, ensuring the consistency and authenticity of the sampling environment and the actual working condition, and improving the accuracy of sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0020] See also Figure 1 , describe the embodiments of the present utility model in detail.

[0021] Embodiment: An extractable dust monitor air path control integrated module, see Figure 1 As shown, it includes a module body 1, an air intake pipeline 2 is provided on the right side of the module body 1, a main air pipeline 3 is provided inside the module body 1, and the air intake pipeline 2 is connected to the main air pipeline 3; a multi-channel air path distribution unit is provided on the main air path distribution unit, and a plurality of solenoid valves 4 are connected to the multi-channel air path distribution unit, and each solenoid valve 4 in the multi-channel air path distribution unit distributes the air source in the front-stage main air path 3 to each air path at the rear end for use; a control computer 13 is connected to two solenoid valves 4 in the multi-channel air path distribution unit to collect air pressure signals and form an air source pressure detection unit; a gas distribution control unit is provided at the lower part of the module body 1, and the gas distribution control unit is connected to the control computer 13 and is controlled by the control computer 13 to sample the pressure air source at any time; a manual regulating unit for the amount of protective gas connected to the main air path 3 is provided on the left side of the module body 1.

[0022] In this embodiment, when the integrated module is in use, an appropriate amount of gas source with a pressure of ≥0.3MPa is input to the integrated module from the air inlet pipeline. When the front-end pressure conditions permit, the multi-channel gas distribution unit distributes the front-stage gas source to the rear-end gas circuit of the solenoid valve by the solenoid valve of each channel. The gas source pressure detection unit constantly monitors the gas source pressure and transmits the signal to the control computer, which determines whether the gas source pressure can support and guarantee the required rear-end control pressure. When the front-end pressure conditions permit, the pressure proportional valve of the gas distribution control unit is controlled by the computer to freely use the pressure of the pressure section below 0.3MPa, and is not affected by the pressure change of ≥0.3MPa. The manual adjustment unit of the protective gas volume can always use the gas source below the front-stage pressure through the manual adjustment valve.

[0023] In a specific embodiment: the multi-channel gas distribution unit includes a plurality of channels connected to the main gas pipeline 3, each of the channels is correspondingly connected to a solenoid valve 4, and the solenoid valve 4 is connected to a corresponding external gas circuit.

[0024] In a specific embodiment: the air source pressure detection unit includes a differential pressure inlet L5 and a differential pressure inlet H6 provided on two of the solenoid valves 4, and the differential pressure inlet L5 and the differential pressure inlet H6 are both connected to the control computer 13 through a signal line. The control computer 13 collects the pressure difference signal through the differential pressure inlet L5 and the differential pressure inlet H6. The air source pressure detection unit also includes an air source pressure monitoring sensor 7, and the air source pressure monitoring sensor 7 is connected to the control computer 13 through a signal line, and the control computer 13 collects the air circuit pressure through the air source pressure monitoring sensor 7.

[0025] In a specific embodiment: the gas distribution control unit includes a proportional control valve 8 and a proportional gas output pipe 9, the proportional control valve 8 is fixed at the lower part of the module body 1, the proportional gas output pipe 9 is arranged on the left side of the module body 1, the air inlet of the proportional control valve 8 is connected to the air inlet pipeline 2, the air outlet of the proportional control valve 8 is connected to the proportional gas output pipe 9, the proportional control valve 8 is connected to the control computer 13, and the control computer 13 controls the proportional control valve 8 to perform sampling and adjustment of the pressure gas source according to the monitored pressure difference and pressure information.

[0026] Among them, the gas distribution control unit also includes a proportional output pressure monitoring sensor 10, which is arranged on the proportional gas output pipe 9. The proportional output pressure monitoring sensor 10 is connected to the control computer 13. The proportional output pressure monitoring sensor 10 is used to monitor the gas pressure in the proportional gas output pipe 9 and transmit the monitored pressure information to the control computer 13.

[0027] In a specific embodiment: the manual adjustment unit of the protective gas volume includes a manually adjustable gas output pipe 11, the manually adjustable gas output pipe 11 is arranged on the left side of the module body 1, the manually adjustable gas output pipe 11 is connected to the main gas pipeline 3, and a manual adjustable gas valve 12 is arranged on the manually adjustable gas output pipe 11.

[0028] The utility model monitors the gas source pressure in real time through the gas source pressure detection unit, and transmits the signal to the control computer, which determines whether the gas source pressure can support and guarantee the required back-end control pressure; the pressure is sampled at any time under the control of the computer through the gas distribution control unit; it realizes constant speed and constant pressure continuous monitoring, realizes real-time monitoring of the working condition change parameters of the suction pump gas source, and can control the real-time adjustment of the sampling environment of the sampling end to match the actual working conditions, increase the feasibility of sampling, ensure the consistency and authenticity of the sampling environment and the actual working conditions, and improve the accuracy of sampling. Moreover, the device also has an automatic back-blowing function, which can well solve the problem of blockage of the sampling and monitoring pipelines.

[0029] Among them, the control program involved in the control computer in this plan has obtained the computer software copyright, and the software name is: Extractive ultra-low smoke concentration monitoring and control system; the registration number is: 2021SR0918322.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An extractable dust monitor air path control integrated module, comprising a module body (1), characterized in that: An air intake pipeline (2) is provided on the right side of the module body (1), a main air pipeline (3) is provided inside the module body (1), and the air intake pipeline (2) is in communication with the main air pipeline (3); The main gas pipeline (3) is provided with a multi-channel gas path distribution unit, and the multi-channel gas path distribution unit is connected to a plurality of solenoid valves (4), and each solenoid valve (4) in the multi-channel gas path distribution unit distributes the gas source in the front-stage main gas pipeline (3) to each gas path at the rear end for use; A control computer (13) is connected to two solenoid valves (4) in the multi-channel gas distribution unit to collect gas pressure signals and form a gas source pressure detection unit; A gas distribution control unit is provided at the bottom of the module body (1), and the gas distribution control unit is connected to a control computer (13) and is controlled by the control computer (13) to sample the pressure gas source at any time; A protective gas volume manual adjustment unit connected to the main gas pipeline (3) is provided on the left side of the module body (1).

2. The air path control integrated module of the extractable dust monitor according to claim 1 is characterized in that: The multi-channel gas path distribution unit comprises a plurality of channels connected to a main gas pipeline (3), each of the channels being connected to a corresponding solenoid valve (4), the solenoid valve (4) being connected to a corresponding external gas path.

3. The air path control integrated module of the extractable dust monitor according to claim 1 is characterized in that: The air source pressure detection unit comprises a differential pressure inlet L (5) and a differential pressure inlet H (6) provided on two of the solenoid valves (4); the differential pressure inlet L (5) and the differential pressure inlet H (6) are both connected to the control computer (13) via a signal line; the air source pressure detection unit also comprises an air source pressure monitoring sensor (7); the air source pressure monitoring sensor (7) is connected to the control computer (13) via a signal line.

4. The air path control integrated module of the extractable dust monitor according to claim 1 is characterized in that: The gas distribution control unit comprises a proportional regulating valve (8) and a proportional gas output pipe (9), wherein the proportional regulating valve (8) is fixed at the lower part of the module body (1), and the proportional gas output pipe (9) is arranged on the left side of the module body (1). The air inlet of the proportional regulating valve (8) is connected to the air inlet pipeline (2), and the air outlet of the proportional regulating valve (8) is connected to the proportional gas output pipe (9). The proportional regulating valve (8) is connected to a control computer (13) and is controlled by the control computer (13) to perform sampling and regulation on the pressure gas source.

5. The air path control integrated module of the extractable dust monitor according to claim 4 is characterized in that: The gas distribution control unit also includes a proportional output pressure monitoring sensor (10), the proportional output pressure monitoring sensor (10) is arranged on the proportional gas output pipe (9), and the proportional output pressure monitoring sensor (10) is connected to the control computer (13).

6. The air path control integrated module of the extractable dust monitor according to claim 1 is characterized in that: The protective gas volume manual adjustment unit comprises a manually adjustable gas output pipe (11), the manually adjustable gas output pipe (11) is arranged on the left side of the module body (1), the manually adjustable gas output pipe (11) is connected to the main gas pipeline (3), and a manually adjustable gas valve (12) is arranged on the manually adjustable gas output pipe (11).

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