CN111434972A - Pipe network pressure control circuit and system - Google Patents

Pipe network pressure control circuit and system Download PDF

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Publication number
CN111434972A
CN111434972A CN201910027030.4A CN201910027030A CN111434972A CN 111434972 A CN111434972 A CN 111434972A CN 201910027030 A CN201910027030 A CN 201910027030A CN 111434972 A CN111434972 A CN 111434972A
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China
Prior art keywords
module
pressure
pipe network
terminal
control circuit
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Chinese (zh)
Inventor
邓立群
袁培志
李哲浩
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Shenzhen Anso Measurement & Control Instruments Co ltd
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Shenzhen Anso Measurement & Control Instruments Co ltd
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Publication of CN111434972A publication Critical patent/CN111434972A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00Arrangements for supervising or controlling working operations
    • F17D3/01Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

A pipe network pressure control circuit realizes the control of the adjusting process and the pressure precision by adding a control module, a pressure detection module, a communication module and a driving module, wherein the control module controls the driving module according to the actual pipe network pressure value obtained from the pressure detection module or the data of a digital flowmeter obtained from the communication module, so as to realize the real-time acquisition of the pipe network pressure change and further adjust the pipe network pressure; through adding the power management module, low energy consumption management has been realized, through having added pressure detection module and drive module, acquire low reaches pressure change and then adjust pipe network pressure in real time, avoid causing low reaches because of too big pipe explosion or the too low problem that does not use water of pressure, the problem of having solved that exists on the traditional technical scheme consumes the manpower, accommodation process and pressure precision are difficult to control, can not change according to low reaches pressure needs and adjust the pressure of low reaches pipeline in real time and can't lead to the fact the energy consumption extravagant to power centralized management.

Description

Pipe network pressure control circuit and system
Technical Field
The invention belongs to the technical field of control, and particularly relates to a pipe network pressure control circuit and system.
Background
At present, traditional pipe network pressure control management is mainly realized through adjusting the outlet pressure of the relief valve that distributes in the water pipe network, and its regulative mode has two kinds:
one is manual adjustment, the pressure reducing valve is manually adjusted to meet the requirements of a water pipe network, but the manual adjustment mode needs personnel to watch, and the adjustment process and the pressure precision are difficult to control;
the other type is timing adjustment, pipe network pressure adjustment is carried out through preset fixed time and pressure, but the pressure of a downstream pipeline cannot be adjusted in real time along with the change of the downstream pressure requirement in a timing adjustment mode, so that pipe explosion or low pressure caused by overlarge pressure of the downstream pipeline cannot cause water shortage, and a mains supply is required to be connected into a traditional timing adjustment mode, so that the power supply cannot be managed in a centralized mode, and energy consumption is wasted.
Therefore, the traditional technical scheme has the problems of consuming manpower, being difficult to control the adjusting process and the pressure precision, being incapable of adjusting the pressure of a downstream pipeline in real time according to the change of the downstream pressure requirement and being incapable of carrying out centralized management on a power supply so as to cause energy consumption waste.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a pipe network pressure control circuit, and aims to solve the problems of the conventional technical scheme that the labor consumption is high, the adjustment process and the pressure accuracy are difficult to control, the pressure of a downstream pipeline cannot be adjusted in real time according to the change of the downstream pressure requirement, and the energy consumption waste is caused by the failure of centralized management of a power supply.
The first aspect of the embodiments of the present invention provides a pipe network pressure control circuit, which is connected to a power supply, a digital flow meter, and an actuator, where the actuator includes a motor, and the pipe network pressure control circuit includes:
a control module;
the power management module is connected with the power supply and is configured to perform power management on each module of the pipe network pressure control circuit;
the pressure detection module is connected with the control unit and the power management module and is configured to detect a pressure value of the pipe network and feed the pressure value back to the control module;
a communication module coupled to the control module and the digital flow meter, the communication module configured to communicate data of the digital flow meter to the control module;
the driving module is connected with the control module and the actuator, and the control module controls the driving module to drive the actuator to act according to the pressure value or the data of the digital flowmeter so as to adjust the pressure of the pipe network; and
the network and positioning module is connected with the control module and the power management module and is configured to upload at least one of data of the digital flowmeter, the pressure value and geographical positioning information to an upper computer.
In one embodiment, the pressure sensor further comprises a display module, the display module is connected with the control module, and the display module is configured to display the pressure value received by the control module and the adjusted current pressure value in real time.
In one embodiment, the pressure monitoring system further comprises a storage module connected with the control module and the power management module, wherein the storage module is configured to record pressure data and control parameters at preset time points.
In one embodiment, the system further comprises an input module connected to the control module, the input module configured to configure operating parameters of the pipe network pressure control circuit.
In one embodiment, the power management module includes a plurality of power management units, an input terminal of each power management unit is respectively connected to a working power supply, and the control module controls on/off of each power management unit according to power on/off requirements of the pressure detection module, the communication module, the driving module, and the network and positioning module.
In one embodiment, the power management unit includes a first switch tube, a second switch tube, a first resistor, and a second resistor, an input end of the first switch tube and a first end of the first resistor are connected to the operating power supply, a control end of the first switch tube and the first resistor are connected to an input end of the second switch tube, an output end of the first switch tube is connected to the pressure detection module, the communication module, the driving module, or the network and positioning module, an output end of the second switch tube is grounded, and the second switch tube is connected to a first enable port of the control module through the second resistor.
In one embodiment, the communication module comprises an RS485 chip and a first capacitor, the non-inverting terminal and the inverting terminal of the RS485 chip are connected to the digital flowmeter, the driving input terminal of the RS485 chip is connected to the serial output port of the control module, the receiving output terminal of the RS485 chip is connected to the receiving terminal of the control module, the driving enable terminal and the receiving enable terminal of the RS485 chip are connected to the enable terminal of the control module, the ground terminal of the RS485 chip is grounded, and the power supply terminal of the RS485 chip is connected to the power supply management module.
In one embodiment, the pressure detection module comprises a first pressure transmitter and a second pressure transmitter, the first pressure transmitter and the second pressure transmitter are installed on a valve body of a pipe network, a signal output end of the first pressure transmitter is connected to a first signal input end of the control module, a signal output end of the second pressure transmitter is connected to a second signal input end of the control module, and a power supply end of the first pressure transmitter and a power supply end of the second pressure transmitter are connected to the power management module.
In one embodiment, the driving module comprises a motor driving chip and a first capacitor, the first input end of the motor driving chip is connected to the first output end of the control module, the second input end of the motor driving chip is connected to the second output end of the control module, the third input end of the motor driving chip is connected to the third output end of the control module, the fourth input end of the motor driving chip is connected to the fourth output end of the control module, the first output end of the motor driving chip is connected to the first input end of the actuator, the second output end of the motor driving chip is connected to the second input end of the actuator, the third output end of the motor driving chip is connected to the third input end of the actuator, the fourth output end of the motor driving chip is connected to the fourth input end of the actuator, and the power end of the motor driving chip is connected to the power management module.
The second aspect of the embodiment of the invention provides a pipe network pressure control system, which comprises the pipe network pressure control circuit, a power supply, a pressure transmitter, a digital flowmeter, an actuator and an upper computer, wherein the upper computer carries out data transmission with the pipe network pressure control circuit through the network and a positioning module, the upper computer carries out modeling after receiving the pressure value and the data of the digital flowmeter to obtain a pressure regulating parameter, the pressure regulating parameter is sent to the pipe network pressure control circuit, and the pipe network pressure control circuit carries out pressure regulation according to the pressure regulating parameter.
The pipe network pressure control circuit realizes the control of the adjusting process and the pressure precision by adding the control module, the pressure detection module, the communication module and the driving module, and the control module controls the driving module according to the actual pipe network pressure value obtained from the pressure detection module or the data of the digital flowmeter obtained from the communication module, so as to realize the real-time acquisition of the pipe network pressure change and further adjust the pipe network pressure; through adding the power management module, low energy consumption management has been realized, through having added pressure detection module and drive module, acquire low reaches pressure change and then adjust pipe network pressure in real time, avoid causing low reaches because of too big pipe explosion or the too low problem that does not use water of pressure, the problem of having solved that exists on the traditional technical scheme consumes the manpower, accommodation process and pressure precision are difficult to control, can not change according to low reaches pressure needs and adjust the pressure of low reaches pipeline in real time and can't lead to the fact the energy consumption extravagant to power centralized management.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic circuit diagram of a circuit for controlling a pressure in a pipe network according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a circuit for controlling a pressure in a pipe network according to another embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a circuit for controlling a pressure in a pipe network according to another embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of a circuit for controlling a pressure in a pipe network according to another embodiment of the present invention;
FIG. 5 is a schematic circuit diagram of a power management module of the pipe network pressure control circuit shown in FIG. 1;
FIG. 6 is a circuit diagram of a power management unit of the power management module shown in FIG. 5;
FIG. 7 is a circuit diagram of a DC-DC conversion unit of the power management module shown in FIG. 6;
fig. 8 is a schematic circuit diagram of a communication module of the pipe network pressure control circuit shown in fig. 1;
FIG. 9 is a schematic circuit diagram of a pressure detection module of the pipe network pressure control circuit shown in FIG. 1;
fig. 10 is a schematic circuit diagram of a driving module of the pipe network pressure control circuit shown in fig. 1;
fig. 11 is a schematic circuit diagram of a display module of the pipe network pressure control circuit shown in fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a schematic diagram of a network pressure control circuit according to a first embodiment of the present invention shows only the relevant parts of the embodiment for convenience of description, and the details are as follows:
in one embodiment, the pipe network pressure control circuit is connected to the power supply 100, the digital flow meter 200 and the actuator 300, the power supply 100 may be a battery with large storage capacity, such as a lithium battery, and does not need to be externally connected to the commercial power supply 100, so that the installation and management are convenient, and the pipe network pressure control circuit is also suitable for a pipe network which is located at a remote location and is difficult to access to commercial power, and the actuator 300 may be composed of a motor.
The pipe network pressure control circuit comprises a control module 400, a power management module 410, a pressure detection module 420, a communication module 430, a driving module 440 and a network and positioning module 450, wherein the control module 400 is configured to control the driving module 440 to drive the actuator 300 to act according to a pressure value or data of the digital flowmeter 200 so as to adjust the pressure of the pipe network and is configured to control the power management module 410 to supply power to the outside according to the power-on/power-off requirements of the modules, and the control module 400 can be composed of a microprocessor, such as a single chip microcomputer; the power management module 410 is configured to manage the power supply 100 of each module of the pipe network pressure control circuit, the power management module 410 is composed of a switch pipe with an on-off function, and can supply power/cut off power according to the power-on/off requirements of each module, so as to avoid energy consumption waste, and the power management module 410 can further include a DC-DC converter and a peripheral circuit thereof, so as to provide working voltage required by each module; the pressure detection module 420 is configured to detect a pressure value of the pipe network and feed the pressure value back to the control module 400, and the pressure detection module 420 may be formed by an element having a pressure detection function, such as a pressure sensor or a pressure transmitter; the communication module 430 is configured to transmit data of the digital flowmeter 200 to the control module 400, and the communication module 430 may be constituted by an element having data receiving and transmitting functions, such as a differential bus transceiver; the driving module 440 is configured to drive the actuator 300 to act, so as to adjust the pressure of the pipe network, and the driving module 440 may be formed by a circuit with a motor driving function, such as a motor driving chip; the network and positioning module 450 is configured to upload at least one of data, pressure values and geographical positioning information of the digital flowmeter 200 to an upper computer, the network and positioning module 450 can adopt a GPRS, NB-IOT or 4G module to realize data uploading of a pipe network pressure control circuit, and can adopt a GPS or beidou positioning module to realize a geographical position positioning function.
The power management module 410 is connected with the power supply 100, the control module 400, the pressure detection module 420, the communication module 430, the driving module 440 and the network and positioning module 450, the pressure detection module 420 is connected with the control unit and the power management module 410, the communication module 430 is connected with the control module 400, the digital flow meter 200 and the power management module 410, the driving module 440 is connected with the control module 400, the actuator 300 and the power management module 410, and the network and positioning module 450 is connected with the control module 400 and the power management module 410.
In the pipe network pressure control circuit in this embodiment, the control module 400, the pressure detection module 420, the communication module 430, and the driving module 440 are added to control the adjustment process and the pressure precision, and the control module 400 controls the driving module 440 according to the actual pipe network pressure value obtained from the pressure detection module 420 or according to the data of the digital flowmeter 200 obtained from the communication module 430, so as to obtain the pipe network pressure change in real time and adjust the pipe network pressure; through adding power management module 410, the low energy consumption management has been realized, through having added pressure detection module 420 and drive module 440, obtain the change of low reaches pressure in real time and then adjust the pipe network pressure, avoid causing low reaches because of too big pipe explosion or the low problem that does not use water of pressure extremely low of pressure, the problem of having consumed the manpower on the traditional technical scheme, accommodation process and pressure precision are difficult to control, can not change according to the low reaches pressure needs and adjust the pressure of low reaches pipeline in real time and can't lead to the fact the energy consumption extravagant to power 100 centralized management.
Referring to fig. 2, in an embodiment, the pipe network pressure control circuit further includes a display module 460, the display module 460 is connected to the control module 400, the display module 460 is configured to display the pressure value received by the control module 400 and the adjusted current pressure value in real time, and the display module 460 may be formed by a chip with a display function, such as the chip L CD 1602.
Referring to fig. 3, in an embodiment, the pipe network pressure control circuit further includes a storage module 470, the storage module 470 is connected to the control module 400 and the power management module 410, the storage module 470 is configured to record pressure data and control parameters at a preset time point, and the storage module 470 may be a chip with a data storage function, such as an F L ASH storage chip.
Referring to fig. 4, in one embodiment, the grid pressure control circuit further includes an input module 480, the input module 480 is connected to the control module 400, and the input module 480 is configured to configure an operation parameter of the grid pressure control circuit.
Referring to fig. 5, in an embodiment, the power management module 410 includes a plurality of power management units 411, an input end of each power management unit 411 is respectively connected to a working power, an enable control end of each power management unit 411 is respectively connected to the control module 400, an output end of each power management unit 411 is respectively connected to the pressure detection module 420, the communication module 430, the driving module 440, the network and positioning module 450, the display module 460, the storage module 470 and the input module 480, and the control module 400 controls on/off of each power management unit 411 according to the power on/off requirements of the pressure detection module 420, the communication module 430, the driving module 440 and the network and positioning module 450.
Referring to fig. 5 and 6, in an embodiment, the power management unit 411 includes a switch Q3, a switch Q4, a resistor R9, and a resistor R10, an input terminal of the switch Q3 and a first terminal of the resistor R9 are commonly connected to the positive electrode of the power supply 100, a control terminal of the switch Q3 and a resistor R9 are commonly connected to an input terminal of the switch Q4, an output terminal of the switch Q3 and a power port of the control module 400, an output terminal of the switch Q4 is grounded, and the switch Q4 is connected to the enable port PWER of the control module 400 through the resistor R10.
It can be understood that the number of the power management units 411 corresponds to the number of modules in the pipe network pressure control circuit that do not need to maintain the working state for a long time, so as to perform low energy consumption management on each module, supply power when the modules need to work, and cut off power when the modules do not need to work, thereby avoiding causing energy waste.
The power management module 410 further includes a plurality of different DC-DC conversion units 412, please refer to fig. 7, the DC-DC conversion units 412 may include an inductor 1, a capacitor C, a switch Q, a diode D, a resistor R, and a DC-DC chip U, a first end of the inductor 1 and a first end of the capacitor C are connected to the positive terminal of the power supply 100 and the VBAT terminal of the control module 400, a second end of the inductor 1 is connected to an anode of the diode D and an input terminal of the switch Q, a cathode of the diode D, a VDD terminal of the DC-DC chip U, a first end of the capacitor C, a first end of the resistor R, a first end of the capacitor C, and a first end of the capacitor C are connected to an output terminal of the DC-DC conversion unit 412 in common, the output terminal outputs the operating power supply, a control terminal of the switch Q is connected to an EXT terminal of the DC-DC chip U, a second end of the DC-DC chip U is connected to the second end of the capacitor C and the second end of the resistor R, a second end of the resistor R is connected to the first end of the capacitor Q, a second end of the switch Q is connected to the output terminal of the common ground, a second end.
It is understood that the chips used in the DC-DC conversion unit 412 may be different according to the required operating power supply voltage of each module.
Referring to fig. 8, in an embodiment, the communication module 430 includes an RS485 chip U8 and a capacitor C26, the non-inverting terminal a and the inverting terminal B of the RS485 chip are connected to the digital flowmeter 200, the driving input terminal DI of the RS485 chip is connected to the serial output port UTXD0 of the control module 400, the receiving output terminal RO of the RS485 chip is connected to the receiving terminal URXD0 of the control module 400, and the driving enable terminal DE and the receiving enable terminal DE of the RS485 chip are connected to the receiving enable terminal UTXD0
Figure BDA0001942870340000081
The power supply module is connected to an enable terminal R/TEN of the control module 400 in common, a ground terminal GND of the RS485 chip is grounded, and a power supply terminal of the RS485 chip is connected to the power management module 410.
Referring to fig. 9, in one embodiment, the pressure detecting module 420 includes a first pressure transmitter 421 and a second pressure transmitter 422, the first pressure transmitter 421 and the second pressure transmitter 422 are installed on a valve body of a pipe network, a signal output end of the first pressure transmitter 421 is connected to a first signal input end SIGNA L1 of the control module 400, a signal output end of the second pressure transmitter is connected to a second signal input end SIGNA L2 of the control module 400, and a power source end of the first pressure transmitter and a power source end of the second pressure transmitter are connected to the power management module 410.
Referring to fig. 10, in one embodiment, the driving module 440 includes a motor driving chip U6, a capacitor C20, a capacitor C21 and a connector P2, the first input end IN1 of the motor driving chip is connected to the first output end MI a of the control module, the second input end IN2 of the motor driving chip is connected to the second output end MI B of the control module, the third input end IN3 of the driving chip is connected to the third output end MIC of the control module, the fourth input end IN4 of the motor driving chip is connected to the fourth output end MI D of the control module, the first output end OUT1 of the motor driving chip is connected to the first input end of the actuator, the second output end OUT2 of the motor driving chip is connected to the second input end of the actuator, the third output end OUT3 of the motor driving chip is connected to the third input end of the actuator, the fourth output end OUT4 of the motor driving chip is connected to the fourth input end of the actuator, and the power supply end of the motor driving chip is connected to the VCC MOTORA port of the.
Referring to fig. 11, in an embodiment, the input module 480 includes a resistor R2, a resistor R3, a resistor R4, a resistor R5, a capacitor C5, a capacitor C6, a capacitor C7, and a capacitor C8, a first end of the resistor R2, a first end of the resistor R3, a first end of the resistor R4, and a first end of the resistor R5 are commonly connected to the working power supply, a second end of the resistor R2 and a first end of the capacitor C5 are commonly connected to a KEY0 end of the control module 400, a second end of the resistor R3 and a first end of the capacitor C3 are commonly connected to a KEY3 end of the control module 400, a second end of the capacitor C3, a second end of the capacitor C6372, a second end of the capacitor C3 and a second end of the capacitor C8 are commonly connected to the ground.
The invention provides a pipe network pressure control system, which comprises the pipe network pressure control circuit, a power supply, a pressure transmitter, a digital flowmeter, an actuator and an upper computer, wherein the upper computer carries out data transmission with the pipe network pressure control circuit through the network and a positioning module, the upper computer carries out modeling after receiving the pressure value and the data of the digital flowmeter to obtain a pressure regulating parameter and sends the pressure regulating parameter to the pipe network pressure control circuit, and the pipe network pressure control circuit carries out pressure regulation according to the pressure regulating parameter.
It can be understood that the pipe network pressure control system in this embodiment has three pressure regulation manners, the first is that the control module regulates the pressure of the pipe network according to the data of the digital flow meter obtained from the communication module; the second is that the control module adjusts the pressure of the pipe network according to the actual pressure value of the pipe network obtained from the pressure detection module; and the third method is that the control module uploads the data of the digital flowmeter and the actual pressure value of the pipe network to an upper computer, the upper computer performs modeling decision to obtain corresponding pressure regulating parameters and sends the corresponding pressure regulating parameters to the control module, and the control module performs pressure regulation on the pipe network according to the pressure regulating parameters.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a pipe network pressure control circuit, its characterized in that is connected with power, digital flowmeter and executor, the executor includes the motor, pipe network pressure control circuit includes:
a control module;
the power management module is connected with the power supply and is configured to perform power management on each module of the pipe network pressure control circuit;
the pressure detection module is connected with the control unit and the power management module and is configured to detect a pressure value of the pipe network and feed the pressure value back to the control module;
a communication module connected to the control module, the digital flow meter, and the power management module, the communication module configured to communicate data of the digital flow meter to the control module;
the driving module is connected with the control module, the actuator and the power management module, and the control module controls the driving module to drive the actuator to act according to the pressure value or the data of the digital flowmeter so as to adjust the pressure of the pipe network; and
the network and positioning module is connected with the control module and the power management module and is configured to upload at least one of data of the digital flowmeter, the pressure value and geographical positioning information to an upper computer.
2. The pipe network pressure control circuit of claim 1, further comprising a display module, wherein the display module is connected to the control module, and the display module is configured to display the pressure value received by the control module and the adjusted current pressure value in real time.
3. The pipe network pressure control circuit of claim 1, further comprising a storage module coupled to the control module and the power management module, the storage module configured to record pressure data and control parameters at predetermined time points.
4. The pipe network pressure control circuit of claim 1, further comprising an input module coupled to the control module, the input module configured to configure an operating parameter of the pipe network pressure control circuit.
5. The pipe network pressure control circuit of claim 1, wherein the power management module comprises a plurality of power management units, an input terminal of each power management unit is connected to a working power supply, and the control module controls on/off of each power management unit according to the power on/off requirements of the pressure detection module, the communication module, the driving module, and the network and positioning module.
6. The pipe network pressure control circuit according to claim 5, wherein the power management unit includes a first switch tube, a second switch tube, a first resistor, and a second resistor, an input terminal of the first switch tube and a first terminal of the first resistor are connected to the operating power supply, a control terminal of the first switch tube and the first resistor are connected to an input terminal of the second switch tube, an output terminal of the first switch tube is connected to the pressure detection module, the communication module, the driving module, or the network and positioning module, an output terminal of the second switch tube is grounded, and the second switch tube is connected to a first enable port of the control module through the second resistor.
7. The pipe network pressure control circuit according to claim 1, wherein the communication module comprises an RS485 chip and a first capacitor, a non-inverting terminal and an inverting terminal of the RS485 chip are connected to the digital flowmeter, a driving input terminal of the RS485 chip is connected to a serial output port of the control module, a receiving output terminal of the RS485 chip is connected to a receiving terminal of the control module, a driving enable terminal and a receiving enable terminal of the RS485 chip are connected to an enable terminal of the control module in common, a ground terminal of the RS485 chip is connected to ground, and a power supply terminal of the RS485 chip is connected to the power supply management module.
8. The pipe network pressure control circuit of claim 1, wherein said pressure detection module comprises a first pressure transmitter and a second pressure transmitter, said first pressure transmitter and said second pressure transmitter are installed on the valve body of the pipe network, the signal output terminal of said first pressure transmitter is connected to the first signal input terminal of said control module, the signal output terminal of said second pressure transmitter is connected to the second signal input terminal of said control module, and the power source terminal of said first pressure transmitter and the power source terminal of said second pressure transmitter are connected to said power management module.
9. The pipe network pressure control circuit of claim 1, wherein the driving module comprises a motor driver chip and a first capacitor, a first input terminal of the motor driver chip is connected to a first output terminal of the control module, a second input terminal of the motor driver chip is connected to a second output terminal of the control module, a third input terminal of the motor driver chip is connected to a third output terminal of the control module, a fourth input terminal of the motor driver chip is connected to a fourth output terminal of the control module, a first output terminal of the motor driver chip is connected to a first input terminal of the actuator, a second output terminal of the motor driver chip is connected to a second input terminal of the actuator, a third output terminal of the motor driver chip is connected to a third input terminal of the actuator, a fourth output terminal of the motor driver chip is connected to a fourth input terminal of the actuator, And the power end of the motor driving chip is connected with the power management module.
10. A pipe network pressure control system, characterized in that, includes any one of claim 1-9 pipe network pressure control circuit, power, pressure transmitter, digital flowmeter, executor and host computer, the host computer passes through network and orientation module with pipe network pressure control circuit carries out data transport, the host computer is receiving the pressure value with the modeling obtains the pressure regulating parameter behind digital flowmeter's the data, and will the pressure regulating parameter sends for pipe network pressure control circuit, pipe network pressure control circuit basis pressure regulation is carried out to the pressure regulating parameter.
CN201910027030.4A 2019-01-11 2019-01-11 Pipe network pressure control circuit and system Pending CN111434972A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115167547A (en) * 2022-06-29 2022-10-11 深圳市拓安信计控仪表有限公司 Pressure regulating method and pressure regulating device for water supply pipe network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115167547A (en) * 2022-06-29 2022-10-11 深圳市拓安信计控仪表有限公司 Pressure regulating method and pressure regulating device for water supply pipe network

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