CN114738543B - Pressure control system of electronic pressure scanning valve - Google Patents

Pressure control system of electronic pressure scanning valve Download PDF

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Publication number
CN114738543B
CN114738543B CN202210195980.XA CN202210195980A CN114738543B CN 114738543 B CN114738543 B CN 114738543B CN 202210195980 A CN202210195980 A CN 202210195980A CN 114738543 B CN114738543 B CN 114738543B
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Prior art keywords
measuring
module
pressure sensor
valve
pressure
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CN202210195980.XA
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CN114738543A (en
Inventor
王铁铃
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Wuhan Hongruitong Electronic Technology Co ltd
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Wuhan Hongruitong Electronic Technology Co ltd
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • G01L19/086—Means for indicating or recording, e.g. for remote indication for remote indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • G01L19/12—Alarms or signals

Abstract

The invention provides a pressure control system of an electronic pressure scanning valve, which relates to the technical field of pressure scanning valves and comprises a valve body and a measuring part, wherein the measuring part is at least provided with three groups and is arranged on the valve body, a control groove is arranged below the inside of the valve body, an ID (identity) encoder is arranged in the control groove, the ID encoder is at least provided with three groups and is respectively and electrically connected with the three groups of measuring parts, a data processing module and a comparison module are arranged inside the control groove, and the signal output end of the ID encoder is electrically connected with the data processing module; one end of the valve body is provided with a reference part; according to the invention, measurement is performed through the measurement part, the reference part is used as a reference basis, the measured value of the measurement part is compared with the reference value of the reference part by the comparison module, and when the measured value reaches the threshold value set by the reference value, the electric control valve of the measurement part or the electromagnetic valve of the communication passage is controlled to be opened and closed, so that the purpose of protecting the measurement part is achieved.

Description

Pressure control system of electronic pressure scanning valve
Technical Field
The invention relates to the technical field of pressure scanning valves, in particular to a pressure control system of an electronic pressure scanning valve.
Background
The invention provides a pressure control system of an electronic pressure scanning valve, which is widely applied to wind tunnel test and propulsion orbit test, and can be used for accurately acquiring and verifying aerodynamic distribution during the flight of an aircraft and the pressure of each part of an engine in various aircraft development stages.
Disclosure of Invention
In view of the above problems, the present invention provides a pressure control system of an electronic pressure scanning valve, which measures through a measuring portion, uses a reference portion as a reference basis, and uses a comparison module to compare a measured value of the measuring portion with a reference value of the reference portion, and controls an electric control valve of the measuring portion or an electromagnetic valve of a communication passage to open and close when the measured value reaches a threshold set by the reference value, so as to achieve the purpose of protecting the measuring portion.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: the pressure control system of the electronic pressure scanning valve comprises a valve body and a measuring part, wherein the measuring part is at least provided with three groups and is arranged on the valve body, a control groove is arranged below the inside of the valve body, an ID encoder is arranged in the control groove, the ID encoder is at least provided with three groups and is respectively and electrically connected with the three groups of measuring parts, a data processing module and a comparison module are arranged inside the control groove, and a signal output end of the ID encoder is electrically connected with the data processing module;
the valve body is characterized in that one end on the valve body is provided with a reference part, a signal output end of the data processing module and a signal output end of the reference part are electrically connected with the comparison module, two adjacent groups of measurement parts are communicated with each other, a communication passage is formed in the communication passage, an electromagnetic valve is arranged on the communication passage, and the comparison module controls the measurement parts and the electromagnetic valve to be opened and closed according to comparison results.
The further improvement is that: the measuring part comprises a measuring joint and a measuring pressure sensor, an electric control valve is arranged on the measuring joint, the measuring joint is arranged on the valve body, a measuring groove is formed in the upper portion of the inner portion of the valve body, the lower portion of the measuring joint is communicated with the measuring groove, the measuring pressure sensor is arranged in the measuring groove, the communication passage is connected between two adjacent groups of measuring joints, and the signal output end of the measuring pressure sensor is electrically connected with the ID encoder.
The further improvement is that: the reference part comprises a reference joint and a reference pressure sensor, wherein a reference groove is formed in one end of the inner part of the valve body, the reference joint is communicated with the reference groove, the reference pressure sensor is arranged in the reference groove, and a signal output end of the reference pressure sensor is electrically connected with the comparison module.
The further improvement is that: the measured value of the reference pressure sensor is larger than the sum of all measured values of the measuring pressure sensors, the reference connector is connected with a reference air source, and the reference air source limits the output signal value of the reference pressure sensor to be the sum of all measured values of the measuring pressure sensors.
The further improvement is that: the measuring joint is connected with the measuring end, the measuring pressure sensor measures numerical values, the ID encoder comprises an ID transmitting module and a data transmitting module, the ID transmitting module marks each measuring pressure sensor with a unique ID, and the data transmitting module respectively transmits the measured values of each measuring pressure sensor to the data processing module according to the unique IDs.
The further improvement is that: the data processing module comprises a shunting module and a summation module, wherein the shunting module shunts the measured values of the measuring pressure sensors under each ID and inputs the shunted measured values to the comparison module, and the summation module adds the measured values of all the measuring pressure sensors and inputs the summed measured values to the comparison module.
The further improvement is that: the comparison module comprises a sum evaluation module, a branch evaluation module, a wireless transmission module and a driving module, wherein the wireless transmission module is used for transmitting evaluation alarm information to a mobile phone end of a user, and the driving module is used for driving an electric control valve and an electromagnetic valve to be opened and closed.
The further improvement is that: when all the measuring joints are respectively measured, the comprehensive evaluation module compares the sum of measured values of all the measuring pressure sensors according to the N% of the output signal value of the reference pressure sensor, judges whether the sum exceeds the N% of the output signal value of the reference pressure sensor, continues to measure if the sum exceeds the N% of the output signal value of the reference pressure sensor, forms an alarm signal to the wireless transmission module if the sum exceeds the N% and is considered to be full, and the driving module controls all the electric control valves to be closed.
The further improvement is that: when the single measuring joint is used for measuring, the branch evaluation module compares the measured value of the measuring pressure sensor under the current measuring joint according to the N% of the third of the output signal value of the reference pressure sensor, judges whether the measured value of the measuring pressure sensor exceeds the N% of the third of the output signal value of the reference pressure sensor, if not, the measurement is continued, and if yes, the alarm signal is formed for the wireless transmission module, the driving module controls the electric control valves on all other measuring joints except the current measuring joint to be closed, and opens the electromagnetic valves on the communication paths of the current measuring joint and the adjacent measuring joint, the two groups of measuring pressure sensors are used for jointly measuring the group of pressure, the branch evaluation module evaluates again until all the electromagnetic valves are opened, and if the group of pressure exceeds the N% of the output signal value of the reference pressure sensor, the electric control valves of the current measuring joint are closed.
The further improvement is that: and each group of measuring connectors are provided with an indicator lamp on one side of the valve body, and when the measuring pressure sensors under the measuring connectors are fully loaded, the driving module drives the indicator lamps at the corresponding positions to light.
The beneficial effects of the invention are as follows:
1. according to the invention, measurement is performed through the measurement part, the reference part is used as a reference basis, the measured value of the measurement part is compared with the reference value of the reference part by the comparison module, and when the measured value reaches the threshold value set by the reference value, the electric control valve of the measurement part or the electromagnetic valve of the communication passage is controlled to be opened and closed, so that the purpose of protecting the measurement part is achieved.
2. The invention can not only judge whether the sum is fully loaded according to the threshold value of the reference pressure sensor and the sum of the measured values of all the measuring pressure sensors when all the measuring joints are respectively measured so as to control the opening and closing of all the electric control valves, but also judge whether the measuring joints are fully loaded according to the threshold value of the reference pressure sensor and the measured values of the current measuring parts when the individual measuring parts are used for measuring so as to determine whether to open other electromagnetic valves, thereby being convenient for cooperatively measuring the group of pressure by utilizing other measuring parts one by one and protecting the measuring parts.
3. When the measuring part is fully loaded, the wireless transmitting module is utilized to transmit the evaluation alarm information to the mobile phone end of the user, so that the user can know the information conveniently, the indicator lamps at the corresponding fully loaded measuring part are lightened synchronously, the investigation is convenient, and the functions are diversified.
Drawings
Fig. 1 is a front view of the present invention.
Wherein: 1. a valve body; 2. a control groove; 3. an ID encoder; 4. a data processing module; 5. a comparison module; 6. a communication passage; 7. an electromagnetic valve; 8. measuring the joint; 9. measuring a pressure sensor; 10. an electric control valve; 11. a measuring tank; 12. a reference joint; 13. a reference pressure sensor; 14. a reference groove; 15. an indicator light.
Detailed Description
The present invention will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
According to fig. 1, the embodiment provides a pressure control system of an electronic pressure scanning valve, which comprises a valve body 1 and a measuring part, wherein three groups of measuring parts are arranged on the valve body, a control groove 2 is arranged below the inside of the valve body 1, an ID encoder 3 is arranged in the control groove 2, the ID encoder 3 is provided with three groups and is respectively and electrically connected with the three groups of measuring parts, a data processing module 4 and a comparison module 5 are arranged inside the control groove 2, and a signal output end of the ID encoder 3 is electrically connected with the data processing module 4;
one end on the valve body 1 is equipped with the reference portion, the signal output part of data processing module 4, the signal output part of reference portion all with contrast module 5 electric connection, two adjacent groups the intercommunication has communication passageway 6 between the measuring portion, and is equipped with solenoid valve 7 on the communication passageway 6, contrast module 5 is according to the control measuring portion of contrast result and solenoid valve 7 start and stop.
The measuring part comprises a measuring joint 8 and a measuring pressure sensor 9, an electric control valve 10 is arranged on the measuring joint 8, the measuring joint 8 is arranged on the valve body 1, a measuring groove 11 is formed in the upper portion inside the valve body 1, the lower portion of the measuring joint 8 is communicated with the measuring groove 11, the measuring pressure sensor 9 is arranged inside the measuring groove 11, the communication passage 6 is connected between two adjacent groups of the measuring joints 8, and the signal output end of the measuring pressure sensor 9 is electrically connected with the ID encoder 3.
The reference part comprises a reference joint 12 and a reference pressure sensor 13, one end of the interior of the valve body 1 is provided with a reference groove 14, the reference joint 12 is communicated with the reference groove 14, the reference pressure sensor 13 is arranged in the interior of the reference groove 14, and a signal output end of the reference pressure sensor 13 is electrically connected with the comparison module 5.
The measurement value of the reference pressure sensor 13 is larger than the sum of the measurement values of all the measurement pressure sensors 9, the reference joint 12 is connected with a reference air source, and the reference air source limits the output signal value of the reference pressure sensor 13 to be the sum of the measurement values of all the measurement pressure sensors 9.
According to the invention, measurement is performed through the measuring part, the reference part is used as a reference basis, the measured value of the measuring part and the reference value of the reference part are compared by the comparison module 5, and when the measured value reaches the threshold value set by the reference value, the electric control valve 10 of the measuring part or the electromagnetic valve 7 of the communication passage 6 is controlled to be opened and closed, so that the purpose of protecting the measuring part is achieved.
Example two
According to fig. 1, this embodiment proposes a pressure control system of an electronic pressure scanning valve, the measuring joint 8 is connected with a measuring end, the measuring pressure sensor 9 measures values, the ID encoder 3 includes an ID transmitting module and a data transmitting module, the ID transmitting module marks each measuring pressure sensor 9 with a unique ID, and the data transmitting module transmits the measured value of each measuring pressure sensor 9 to the data processing module 4 according to the unique ID. From the unique ID, the measured value of each measured pressure sensor 9 can be accurately determined.
The data processing module 4 includes a shunt module that shunts the measured values of the measurement pressure sensors 9 under each ID to the comparison module 5, and a summation module that adds up the measured values of all the measurement pressure sensors 9 and inputs them to the comparison module 5.
The comparison module 5 comprises a sum evaluation module, a branch evaluation module, a wireless transmission module and a driving module, wherein the wireless transmission module is used for transmitting evaluation alarm information to a mobile phone end of a user, and the driving module is used for driving the electric control valve 10 and the electromagnetic valve 7 to be opened and closed.
When all the measuring joints 8 are respectively measured, all the electromagnetic valves 7 are closed, all the electric control valves 10 are opened, the comprehensive evaluation module compares the measured value sum of all the measuring pressure sensors 9 according to 90% of the output signal value of the reference pressure sensor 13, judges whether the sum exceeds 90% of the output signal value of the reference pressure sensor 13, continues to measure when the sum does not exceed, forms an alarm signal to the wireless transmission module when the sum exceeds and is regarded as full load, and the driving module controls all the electric control valves 10 to be closed. And (5) isolating measurement.
When all the measuring joints 8 are respectively measured, the total sum of the measured values of all the measuring pressure sensors 9 is compared according to 90% of the value of the output signal of the reference pressure sensor 13, and whether the total sum exceeds 90% of the value of the output signal of the reference pressure sensor 13 is judged, so that all the electric control valves 10 are controlled to be opened and closed, and the measuring part is protected.
And an indicator lamp 15 is arranged on the valve body 1 at one side of each group of measuring joints 8, and when the measuring pressure sensor 9 under each group of measuring joints 8 is fully loaded, the driving module drives the indicator lamp 15 at the corresponding position to light. When the measuring part is fully loaded, the wireless transmitting module is utilized to transmit the evaluation alarm information to the mobile phone end of the user, so that the user can know the information conveniently, the indicator lamps 15 corresponding to the fully loaded measuring part are lightened synchronously, the investigation is convenient, and the functions are diversified.
Example III
According to fig. 1, this embodiment proposes a pressure control system of an electronic pressure scanning valve, the measuring joint 8 is connected with a measuring end, the measuring pressure sensor 9 measures values, the ID encoder 3 includes an ID transmitting module and a data transmitting module, the ID transmitting module marks each measuring pressure sensor 9 with a unique ID, and the data transmitting module transmits the measured value of each measuring pressure sensor 9 to the data processing module 4 according to the unique ID. From the unique ID, the measured value of each measured pressure sensor 9 can be accurately determined.
The data processing module 4 includes a shunt module that shunts the measured values of the measurement pressure sensors 9 under each ID to the comparison module 5, and a summation module that adds up the measured values of all the measurement pressure sensors 9 and inputs them to the comparison module 5.
The comparison module 5 comprises a sum evaluation module, a branch evaluation module, a wireless transmission module and a driving module, wherein the wireless transmission module is used for transmitting evaluation alarm information to a mobile phone end of a user, and the driving module is used for driving the electric control valve 10 and the electromagnetic valve 7 to be opened and closed.
When the individual measuring joints are used for measuring, all the electromagnetic valves 7 are closed firstly, the branch evaluation module compares the measured value of the measuring pressure sensor 9 under the current measuring joint 8 according to 90% of the third of the output signal value of the reference pressure sensor 13, judges whether the measured value of the measuring pressure sensor 9 exceeds 90% of the third of the output signal value of the reference pressure sensor 13, when the measured value is not exceeded, the measurement is continued, when the measured value is exceeded, the alarm signal is formed to the wireless transmission module, the driving module controls all the electronic control valves 10 on the other measuring joints 8 except the current measuring joint 8 to be closed, the electromagnetic valves 7 on the communication paths 6 of the current measuring joint 8 and the adjacent measuring joint 8 are opened, the branch evaluation module is used for jointly measuring the group of pressures by utilizing the two groups of the measuring pressure sensors 9, the branch evaluation module is used for evaluating again until all the electromagnetic valves 7 are opened, all the measuring parts are jointly measured, and when the group of pressures exceeds 90% of the output signal value of the reference pressure sensor 13, the electronic control valves 10 of the current measuring joint 8 are closed. And (5) isolating measurement.
When the single measuring joint is used for measuring, the invention compares the measured value of the measuring pressure sensor 9 under the current measuring joint 8 according to 90% of the value of the output signal of the reference pressure sensor 13, judges whether the measured value exceeds 90% of the value of the output signal of the reference pressure sensor 13, so as to determine whether to open the electromagnetic valve 7 on the communication channel 6 of the current measuring joint 8 and the adjacent measuring joint 8, and is convenient to jointly measure the group of pressures by utilizing other measuring pressure sensors 9 one by one until all the measuring pressure sensors 9 jointly measure, and when the group of pressures exceeds 90% of the value of the output signal of the reference pressure sensor 13, the electric control valve 10 of the current measuring joint 8 is closed, so that a plurality of measuring parts can cooperate, and the measuring parts can be protected.
And an indicator lamp 15 is arranged on the valve body 1 at one side of each group of measuring joints 8, and when the measuring pressure sensor 9 under each group of measuring joints 8 is fully loaded, the driving module drives the indicator lamp 15 at the corresponding position to light. When the measuring part is fully loaded, the wireless transmitting module is utilized to transmit the evaluation alarm information to the mobile phone end of the user, so that the user can know the information conveniently, the indicator lamps 15 corresponding to the fully loaded measuring part are lightened synchronously, the investigation is convenient, and the functions are diversified.
According to the invention, measurement is performed through the measuring part, the reference part is used as a reference basis, the measured value of the measuring part and the reference value of the reference part are compared by the comparison module 5, and when the measured value reaches the threshold value set by the reference value, the electric control valve 10 of the measuring part or the electromagnetic valve 7 of the communication passage 6 is controlled to be opened and closed, so that the purpose of protecting the measuring part is achieved. When all the measuring joints 8 are respectively measured, the total sum of the measured values of all the measuring pressure sensors 9 is compared according to the N% of the output signal value of the reference pressure sensor 13, whether the total sum exceeds the N% of the output signal value of the reference pressure sensor 13 is judged, so that all the electric control valves 10 are controlled to be opened and closed, and when the single measuring joint is used for measuring, the measured value of the measuring pressure sensor 9 under the current measuring joint 8 is compared according to the N% of one third of the output signal value of the reference pressure sensor 13, whether the measured value exceeds the N% of the output signal value of the reference pressure sensor 13 is judged, so that whether the electromagnetic valves 7 on the communication passages 6 of the current measuring joint 8 and the adjacent measuring joint 8 are opened or not is judged, the group of pressures are conveniently measured by the other measuring pressure sensors 9 together one by one, until all the measuring pressure sensors 9 are measured together, and when the group of pressures exceeds the N% of the output signal value of the reference pressure sensor 13, the electric control valves 10 of the current measuring joint 8 are closed, so that the measuring part is protected, and the whole measuring joint is protected, and the measuring valve is protected. Meanwhile, when the measuring part is fully loaded, the wireless transmitting module is utilized to transmit evaluation alarm information to the mobile phone end of a user, so that the user can know that the indicator lamp 15 corresponding to the fully loaded measuring part is synchronously lightened, the investigation is convenient, and the functions are diversified.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a pressure control system of electronic pressure scanning valve, includes valve body (1) and measuring part, its characterized in that: the measuring part is at least provided with three groups and is arranged on the valve body, a control groove (2) is arranged below the inside of the valve body (1), an ID encoder (3) is arranged in the control groove (2), the ID encoder (3) is at least provided with three groups and is respectively and electrically connected with the three groups of measuring parts, a data processing module (4) and a comparison module (5) are arranged inside the control groove (2), and the signal output end of the ID encoder (3) is electrically connected with the data processing module (4); one end of the valve body (1) is provided with a reference part, a signal output end of the data processing module (4) and a signal output end of the reference part are electrically connected with the comparison module (5), two adjacent groups of measurement parts are communicated with a communication passage (6), the communication passage (6) is provided with an electromagnetic valve (7), the comparison module (5) controls the measurement part and the electromagnetic valve (7) to be opened and closed according to a comparison result, and the comparison module (5) comprises a comprehensive evaluation module, a branch evaluation module, a wireless transmission module and a driving module;
the measuring part comprises a measuring joint (8) and a measuring pressure sensor (9), an electric control valve (10) is arranged on the measuring joint (8), the measuring joint (8) is arranged on the valve body (1), a measuring groove (11) is formed in the upper portion of the inner portion of the valve body (1), the lower portion of the measuring joint (8) is communicated with the measuring groove (11), the measuring pressure sensor (9) is arranged in the measuring groove (11), the communication passage (6) is connected between two adjacent groups of the measuring joints (8), and the signal output end of the measuring pressure sensor (9) is electrically connected with the ID encoder (3);
the reference part comprises a reference joint (12) and a reference pressure sensor (13), one end of the interior of the valve body (1) is provided with a reference groove (14), the reference joint (12) is communicated with the reference groove (14), the reference pressure sensor (13) is arranged in the reference groove (14), and a signal output end of the reference pressure sensor (13) is electrically connected with the comparison module (5);
when all the measuring joints (8) are respectively measured, the comprehensive evaluation module compares the total sum of the measured values of all the measuring pressure sensors (9) according to N% of the output signal value of the reference pressure sensor (13), and judges whether the total sum exceeds N% of the output signal value of the reference pressure sensor (13) so as to determine whether the wireless transmission module alarms and the opening and closing of all the electric control valves (10).
2. The pressure control system of an electronic pressure scanning valve of claim 1, wherein: the measured value of the reference pressure sensor (13) is larger than the sum of the measured values of all the measuring pressure sensors (9), the reference joint (12) is connected with a reference air source, and the output signal value of the reference pressure sensor (13) is defined as the sum of the measured values of all the measuring pressure sensors (9).
3. The pressure control system of an electronic pressure scanning valve according to claim 2, wherein: the measuring joint (8) is connected with a measuring end, the measuring pressure sensors (9) measure numerical values, the ID encoder (3) comprises an ID sending module and a data sending module, the ID sending module marks unique IDs for the measuring pressure sensors (9), and the data sending module respectively sends the measured values of the measuring pressure sensors (9) to the data processing module (4) according to the unique IDs.
4. A pressure control system for an electronic pressure scanning valve according to claim 3, wherein: the data processing module (4) comprises a shunting module and a summation module, wherein the shunting module shunts and inputs the measured value of the measuring pressure sensor (9) under each ID to the comparison module (5), and the summation module adds and inputs the measured value of all the measuring pressure sensors (9) to the comparison module (5).
5. The pressure control system of an electronic pressure scanning valve of claim 4, wherein: the wireless transmission module is used for transmitting evaluation alarm information to a mobile phone end of a user, and the driving module is used for driving the electric control valve (10) and the electromagnetic valve (7) to be opened and closed.
6. The pressure control system of an electronic pressure scanning valve of claim 5, wherein: when the single measuring joint is used for measuring, the branch evaluation module compares the measured value of the measuring pressure sensor (9) under the current measuring joint (8) according to N% of the value of one third of the output signal of the reference pressure sensor (13), judges whether the measured value of the measuring pressure sensor (9) exceeds N% of the value of one third of the output signal of the reference pressure sensor (13), continues to measure if the measured value exceeds the value of one third of the output signal of the reference pressure sensor (13), forms an alarm signal to the wireless transmission module if the measured value exceeds the value, and controls the electronic control valves (10) on all other measuring joints (8) except the current measuring joint (8) to be closed and opens the electromagnetic valves (7) on adjacent communication passages (6) one by one, and the other measuring parts are communicated to cooperatively measure the group of pressures.
7. The pressure control system of an electronic pressure scanning valve of claim 6, wherein: and each group of measuring joints (8) is provided with an indicator lamp (15) on one side of the valve body (1), and when each group of measuring pressure sensors (9) under the measuring joints (8) are fully loaded, the driving module drives the indicator lamps (15) at corresponding positions to be lightened.
CN202210195980.XA 2022-03-02 2022-03-02 Pressure control system of electronic pressure scanning valve Active CN114738543B (en)

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