Integrated pneumoelectric conversion processing module

Abstract

The utility model relates to the technical field of pneumoelectric measurement, in particular to an integrated pneumoelectric conversion processing module, which is characterized in that a main air inlet channel, a first connecting channel and a comparison channel are formed in an inner cavity of a partial pressure body; the main air inlet channel is communicated with the comparison channel through a first connecting channel; a throttle valve is arranged on the main air inlet channel; the throttle valve is used for adjusting the flow of air entering the first connecting channel from the main air inlet channel; the main air inlet channel is connected with a standard air pressure connector. The comparison channel is connected with a comparison air pressure connector. And the comparison air pressure joint and the standard air pressure joint are respectively connected to two interfaces of the differential pressure sensor. When the pneumatic-electric conversion processing module is used, all pipelines in the structure are arranged on the partial pressure body, and the throttle valve, the air outlet connector, the differential pressure sensor, the comparison air pressure connector and the standard air pressure connector are integrated on the partial pressure body, so that the whole pneumatic-electric conversion processing module is more compact in structure, fixed in size, small in occupied space and more convenient to install.

Description

Technical Field

[0001] The utility model relates to the technical field of gas-electricity measurement, in particular to an integrated gas-electricity conversion processing module. Background Art

[0002] The pneumatic-electric conversion processing module is also called the pneumatic measurement module, which can measure the inner diameter, outer diameter, slot width, distance between two holes, depth, thickness, roundness, taper, coaxiality, straightness, flatness, parallelism, verticality, air permeability and sealing of the product. The measured pneumatic-electric data is compared with the set value to obtain the measurement result.

[0003] The existing gas-to-electric conversion processing module consists of an air inlet pipe, an air outlet pipe, a comparison pipe, a valve body connected between the air inlet pipe and the air outlet pipe, an air pipe connected between the air inlet pipe and the pressure differential sensor, and an air pipe connected between the air outlet pipe and the pressure differential sensor; there is no positioning structure between the pipes, and the pipes are of different lengths and complex pipelines, requiring a large installation space and being inconvenient to install. Utility Model Content

[0004] The utility model aims to provide an integrated gas-to-electricity conversion processing module in view of the defects and shortcomings of the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The utility model discloses an integrated gas-to-electric conversion processing module, which comprises a pressure divider and a pressure difference sensor fixed on the pressure divider; the inner cavity of the pressure divider is provided with a main air intake passage, a first connecting channel and a comparison channel; the main air intake passage is connected to the comparison channel through the first connecting channel; a throttle valve is arranged on the main air intake passage; the throttle valve is used to adjust the air flow rate of the main air intake passage entering the first connecting channel;

[0007] The first connecting channel is connected to an air outlet connector; the main air inlet is connected to a standard air pressure connector; the comparison channel is connected to a comparison air pressure connector; the comparison air pressure connector and the standard air pressure connector are respectively connected to two interfaces of the differential pressure sensor.

[0008] Furthermore, an air intake joint is provided on the main air intake passage.

[0009] Furthermore, the main air intake duct and the first connecting channel are arranged on the same plane; the plane where the main air intake duct and the first connecting channel are located is the first plane; the comparison channel is arranged outside the first plane; the main air intake duct is provided with a standard air pressure channel connected to the standard air pressure connector; the specific air pressure connector is connected to the differential pressure sensor through a second hose; the standard air pressure connector is connected to the differential pressure sensor through a first hose; the comparison channel and the first connecting channel are connected through the second connecting channel.

[0010] Furthermore, the throttle valve comprises a screw and a valve body fixed on the pressure dividing body; the inner side wall of the valve body is provided with a threaded hole; the screw is threadedly connected in the threaded hole; a nut is threadedly connected to the screw (201) and pressed against the valve body; a valve body air outlet channel and a valve body air inlet channel are provided on the valve body; the valve body air outlet channel is connected to the valve body air inlet channel; the valve body air outlet channel is connected to the main air inlet channel; the valve body air inlet channel is connected to the first connecting channel; the end of the screw is provided with a valve core coaxially arranged with the valve body air outlet channel; the valve core is conical at one end facing the valve body air outlet channel.

[0011] After adopting the above structure, the beneficial effects of the utility model are as follows: the integrated gas-to-electric conversion processing module described in the utility model, when using the utility model, the pressure difference sensor measures the standard air pressure at the air inlet end from the main air inlet duct and measures the air pressure of the air outlet joint from the comparison channel; the two sets of data of the pressure difference sensor are converted into electrical signals by the pressure difference sensor, and transmitted to the host computer for data processing and analysis, so as to judge whether the air outlet volume of the air outlet joint is within the set range; all pipelines in the structure are opened on the pressure divider, and the throttle valve, air outlet joint, pressure difference sensor, comparison air pressure joint and standard air pressure joint are all integrated on the pressure divider, so that the structure of the entire gas-to-electric conversion processing module is more compact, the size is fixed, the space occupied is small, and the installation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is the internal structure diagram of the utility model;

[0014] Figure 3 It is the structural diagram of the pressure divider;

[0015] Figure 4 It is a cross-sectional view of the structure of the utility model on the first plane;

[0016] Figure 5 It is a cross-sectional view of the structure of the utility model on the plane where the comparison channel is located;

[0017] Figure 6 It is the structural diagram of the throttle valve;

[0018] Description of reference numerals:

[0019] 1. pressure dividing body; 101. main air inlet; 101a. standard air pressure channel; 102. first connecting channel;

[0020] 103, comparison channel; 104, second connecting channel; 105, air outlet channel; 2, throttle valve;

[0021] 201, screw; 201a, valve core; 202, nut; 203, valve body; 203a, valve body air outlet channel;

[0022] 203b, valve body air inlet channel; 3, air outlet connector; 4, differential pressure sensor; 5, first hose;

[0023] 6. Second hose; 7. Standard air pressure connector; 8. Comparison air pressure connector; 9. Air inlet connector. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 6 As shown, the utility model discloses an integrated gas-to-electric conversion processing module, which includes a pressure divider 1 and a pressure difference sensor 4 fixed on the pressure divider 1; the inner cavity of the pressure divider 1 is provided with a main air intake duct 101, a first connecting channel 102 and a comparison channel 103; the main air intake duct 101 is connected to the comparison channel 103 through the first connecting channel 102; the main air intake duct 101 is provided with a throttle valve 2; the throttle valve 2 is used to adjust the air flow rate of the main air intake duct 101 entering the first connecting channel 102;

[0026] The first connecting channel 102 is connected to an air outlet connector 3; the main air inlet 101 is connected to a standard air pressure connector 7; the comparison channel 103 is connected to a comparison air pressure connector 8; the comparison air pressure connector 8 and the standard air pressure connector 7 are respectively connected to two interfaces of the differential pressure sensor 4;

[0027] An air outlet channel 105 is provided between the first connecting channel 102 and the air outlet connector 3;

[0028] The air outlet connector 3 is connected to the measuring head; the processing method of the pressure divider 1 can be machined and then the main air inlet 101, the first connecting channel 102 and the comparison channel 103 are opened; finally, the channel without the connector is sealed with a plug; the pressure divider 1 can also be directly printed and formed in one piece by 3D printing; the air intake is 0.1MPa, and the differential pressure between the air outlet connector 3 and the main air inlet 101 can be adjusted in the range of 0-0.1Mpa by adjusting the throttle valve 2;

[0029] The pressure difference sensor 4 has no essential difference from the prior art, so it is not described in detail. The pressure difference sensor 4 measures the standard air pressure at the air inlet end from the main air inlet duct 101 and the air pressure at the air outlet connector 3 from the comparison channel 103; the pressure difference sensor 4 converts the two sets of air pressure data into electrical signals, which are transmitted to the host computer for data processing and analysis to determine whether the air outlet volume of the air outlet connector 3 is within the set range; all pipelines in this structure are opened on the pressure divider body 1, and the throttle valve 2, the air outlet connector 3, the pressure difference sensor 4, the comparison air pressure connector 8 and the standard air pressure connector 7 are all integrated on the pressure divider body 1, so that the structure of the entire gas-to-electricity conversion processing module is more compact, the size is fixed, the space occupied is small, and the installation is more convenient.

[0030] As a preferred embodiment of the present invention, an air intake connector 9 is provided on the main air intake duct 101; the air intake connector 9 is a quick connector which is essentially the same as the prior art, and is paired with the air source connector to enable the air source structure and the air intake connector 9 to be quickly disassembled or connected.

[0031] As a preferred embodiment of the present invention, the main air intake duct 101 and the first connecting channel 102 are arranged on the same plane; the plane where the main air intake duct 101 and the first connecting channel 102 are located is the first plane; the comparison channel 103 is arranged outside the first plane; the main air intake duct 101 is provided with a standard air pressure channel 101a connected to the standard air pressure connector 7; the comparison air pressure connector 8 is connected to the differential pressure sensor 4 through the second hose 6; the standard air pressure connector 7 is connected to the differential pressure sensor 4 through the first hose 5; the comparison channel 103 is connected to the first connecting channel 102 through the second connecting channel 104;

[0032] The main air inlet duct 101 and the first connecting channel 102 and the comparison channel 103 are arranged on different planes, forming a staggered arrangement, and the three pipelines form a three-dimensional spatial layout in the pressure divider 1, making the volume of the pressure divider 1 smaller; connectors are provided at both ends of the first hose 5 and the second hose 6, which are respectively used to connect with the connector on the relative air pressure connector 8, the standard air pressure connector 7 and the pressure difference sensor 4.

[0033] As a preferred embodiment of the present invention, the throttle valve 2 includes a screw rod 201 and a valve body 203 fixed on the pressure dividing body 1; the inner side wall of the valve body 203 is provided with a threaded hole; the screw rod 201 is threadedly connected in the threaded hole; a nut 202 is threadedly connected to the screw rod 201 and pressed against the valve body 203; a valve body air outlet channel 203a and a valve body air inlet channel 203b are provided on the valve body 203; the valve body air outlet channel 203a is connected with the valve body air inlet channel 203b; the valve body air outlet channel 203a is connected with the main air inlet channel 101; the valve body air inlet channel 203b is connected with the first connecting channel 102; a valve core 201a coaxially arranged with the valve body air outlet channel 203a is provided at the end of the screw rod 201; the valve core 201a is conical at one end facing the valve body air outlet channel 203a; the conical part of the valve core 201a extends into The air inlet channel 203b of the valve body is inside; the diameter of the air inlet channel 203b of the valve body is smaller than the maximum diameter of the valve core 201a; the airflow of the main air inlet channel 101 passes through the valve body air inlet channel 203b and the valve body air outlet channel 203a in turn and then enters the first connecting channel 102; first loosen the nut 202 to allow the screw 201 to have space to rotate; then rotate the screw 201 in the threaded hole of the valve body 203, adjust the position of the tapered part of the valve core 201a extending into the valve body air inlet channel 203b, adjust the effective flow section of the valve body air inlet channel 203b, and realize the air flow adjustment entering the valve body air outlet channel 203a, the first connecting channel 102, the comparison channel 103 and the air outlet connector 3, and switch the pressure difference range; after the adjustment is completed, the nut 202 is tightened against the valve body 203 again, and the screw 201 is locked and fixed to prevent the screw 201 from rotating relative to the valve body 203.

[0034] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. An integrated gas-to-electricity conversion processing module, characterized in that: It comprises a pressure divider (1) and a pressure difference sensor (4) fixed on the pressure divider (1); the inner cavity of the pressure divider (1) is provided with a main air intake passage (101), a first connecting channel (102) and a comparison channel (103); the main air intake passage (101) is connected to the comparison channel (103) through the first connecting channel (102); a throttle valve (2) is provided on the main air intake passage (101); the throttle valve (2) is used to adjust the air flow rate of the main air intake passage (101) entering the first connecting channel (102); The first connecting channel (102) is connected to an air outlet connector (3); the main air inlet channel (101) is connected to a standard air pressure connector (7); the comparison channel (103) is connected to a comparison air pressure connector (8); the comparison air pressure connector (8) and the standard air pressure connector (7) are respectively connected to two interfaces of the differential pressure sensor (4).

2. The integrated gas-to-electricity conversion processing module according to claim 1, characterized in that: An air intake connector (9) is provided on the main air intake passage (101).

3. The integrated gas-to-electricity conversion processing module according to claim 1, characterized in that: The main air intake duct (101) and the first connecting channel (102) are arranged on the same plane; the plane where the main air intake duct (101) and the first connecting channel (102) are located is a first plane; the comparison channel (103) is arranged outside the first plane; the main air intake duct (101) is provided with a standard air pressure channel (101a) connected to a standard air pressure connector (7); the comparison air pressure connector (8) is connected to a differential pressure sensor (4) via a second hose (6); the standard air pressure connector (7) is connected to the differential pressure sensor (4) via a first hose (5); the comparison channel (103) and the first connecting channel (102) are connected via a second connecting channel (104).

4. The integrated gas-to-electricity conversion processing module according to claim 1, characterized in that: The throttle valve (2) comprises a screw rod (201) and a valve body (203) fixed on a pressure dividing body (1); a threaded hole is provided on the inner side wall of the valve body (203); the screw rod (201) is threadedly connected in the threaded hole; a nut (202) is threadedly connected to the screw rod (201) and is tightly pressed against the valve body (203); a valve body air outlet channel (203a) and a valve body air inlet channel (203b) are provided on the valve body (203); The air outlet channel (203a) is connected to the valve body air inlet channel (203b); the valve body air outlet channel (203a) is connected to the main air inlet channel (101); the valve body air inlet channel (203b) is connected to the first connecting channel (102); a valve core (201a) coaxially arranged with the valve body air outlet channel (203a) is provided at the end of the screw rod (201); and one end of the valve core (201a) facing the valve body air outlet channel (203a) is in a conical shape.

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