CN203720688U - Pressure and flow automatic regulation and control device for liquid pipeline - Google Patents
Pressure and flow automatic regulation and control device for liquid pipeline Download PDFInfo
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- CN203720688U CN203720688U CN201420051853.3U CN201420051853U CN203720688U CN 203720688 U CN203720688 U CN 203720688U CN 201420051853 U CN201420051853 U CN 201420051853U CN 203720688 U CN203720688 U CN 203720688U
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Abstract
The utility model discloses a pressure and flow automatic regulation and control device for a liquid pipeline. The pressure and flow automatic regulation and control device comprises an L-shaped shell formed by the connection of a liquid-inlet pipe segment and a liquid-outlet pipe segment, a flow detection unit for detecting liquid flow in the liquid-inlet pipe segment, a pressure detection unit for detecting fluid pressure in the liquid-outlet pipe segment, and a flow control valve for regulating the liquid flow in the L-shaped shell, the liquid-inlet pipe segment is provided with a flowmeter installation opening, a connecting position between the liquid-inlet pipe segment and the liquid-outlet pipe segment is provided with a valve installation opening, the pressure detection unit comprises a second shell, the inner part of the second shell is divided into an upper cavity and a lower cavity via a separating plate, a pressure-measuring element is arranged in the lower cavity, a third electronic circuit board is arranged in the upper cavity, and the third electronic circuit board is provided with a SIGMA-DELTA type analog-to-digital converter and a second processor. According to the pressure and flow automatic regulation and control device, the structure is simple, the design is reasonable, the installation and layout are convenient, the investment cost is low, the usage effect is good, and functions of pressure monitoring and flow monitoring are integrated.
Description
Technical field
The utility model relates to a kind of pressure versus flow regulation device, especially relates to a kind of liquid line pressure versus flow device for automatically regulating.
Background technology
Flow measurement device is widely used in flow measurement and the flow control of liquid, gas and the steam of the business enterprice sectors such as oil, chemical industry, metallurgy, electric power, light textile, cement, tobacco, food, military project and scientific research.In traditional flow measurement control device, flowmeter and variable valve are separate, mainly by manual operation, control flow, not only have larger personal error, and waste time and energy.Particularly, for unattended water distributing station at night, because the fluctuation of water injection pressure is larger, there will be injection flow seriously out of control.
In addition, liquid line pressure is also in actual application, to need an important parameter monitoring, thereby digital pressure gauge is all installed on liquid line conventionally.Digital pressure gauge is as a kind of on-line testing manometer, applies extremely extensively, and it is a kind of important pipeline pressure proving installation.Tensimeter, since being born, has experienced the development course to digital pressure gauge by simulated pressure table.By the end of so far, digital pressure gauge has progressively replaced simulated pressure table monopolistic market.Known digital pressure gauge is generally comprised of several parts such as sensor circuit, signal conditioning circuit, single-chip microcomputer treatment circuit, keyboard, display circuit and electric power management circuits.Because digital pressure gauge is generally high precision measuring instrument, conventionally precision prescribed is at 0.1 grade, 0.25 grade etc., this has just caused following some puzzlement: the first, during modelled signal modulate circuit, must use high-precision instrument amplifier or the good operational amplifier of performance index to carry out signal condition, this just makes the cost of whole system greatly increase; The second, the instrument amplifier adopting or operational amplifier can bring the problems such as imbalance, temperature drift, make measuring accuracy be difficult to further raising; Three, the signal conditioning circuit adopting can bring extra power consumption, has run counter to the original intention that digital pressure gauge need to work long hours.
To sum up, nowadays lack a kind of simple in structure, reasonable in design, processing and fabricating and install and lay liquid line pressure versus flow device for automatically regulating convenient and that input cost is lower, result of use is good, it integrates pressure versus flow monitoring function, can not only monitor fluid flow and fluid pressure, and fluid flow and line pressure are regulated.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of liquid line pressure versus flow device for automatically regulating is provided, it is simple in structure, reasonable in design, processing and fabricating and install to lay convenient and input cost is lower, result of use is good, integrates pressure versus flow monitoring function.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of liquid line pressure versus flow device for automatically regulating, it is characterized in that: comprise the L shaped housing being connected to form by feed liquor pipeline section and fluid pipeline section, fluid flow in feed liquor pipeline section is carried out to the flow detection unit detecting in real time, fluid pressure in fluid pipeline section is carried out to the pressure sensing cell detecting in real time and the flow control valve that the fluid flow in described L shaped housing is regulated, on described feed liquor pipeline section, be provided with the flowmeter installing port of installing for described flow detection unit, junction between described feed liquor pipeline section and fluid pipeline section is provided with the valve installation mouth of installing for described flow control valve, described flow detection unit is arranged in flowmeter installing port, and described flow control valve is arranged in valve installation mouth, described pressure sensing cell comprises shell two, in described shell two, by baffle for separating, is upper chamber and the lower cavity that is positioned at described upper chamber below, and described lower cavity communicates with drain pipe intersegmental part and its inside is provided with load cell, electronic circuit board three is installed in described upper chamber, the SIGMA-DELTA pattern number converter that is provided with power supply unit on described electronic circuit board three, joins with load cell and the processor two joining with SIGMA-DELTA pattern number converter, described processor two joins with power supply unit.
Above-mentioned a kind of liquid line pressure versus flow device for automatically regulating, is characterized in that: described flow detection unit is vortex shedding flow meter or turbo flow meter.
Above-mentioned a kind of liquid line pressure versus flow device for automatically regulating, is characterized in that: described valve installation mouth is coaxial laying with feed liquor pipeline section.
Above-mentioned a kind of liquid line pressure versus flow device for automatically regulating, it is characterized in that: described flow control valve comprises and is arranged in valve installation mouth and is the valve pocket of coaxial laying, is coaxially arranged in valve pocket and the spool that can rotate in valve pocket with feed liquor pipeline section, in described spool, have L shaped passage, between described feed liquor pipeline section and fluid pipeline section, by described L shaped passage, be communicated with; Described valve installation mouth outside is provided with movable valve plug rotates and tackles mutually the spool driving mechanism that the fluid flow in described L shaped passage regulates, and described spool driving mechanism and spool are in transmission connection.
Above-mentioned a kind of liquid line pressure versus flow device for automatically regulating, is characterized in that: described spool driving mechanism comprises electric driving mechanism and/or Manual drive mechanism, and described electric driving mechanism and described Manual drive mechanism are all in transmission connection with spool; Described electric driving mechanism is controlled by processor one and itself and described processor one join.
Above-mentioned a kind of liquid line pressure versus flow device for automatically regulating, it is characterized in that: described pressure sensing cell also comprises shell two is installed on to the jointing on fluid pipeline section, the display unit two that load cell institute test pressure value is carried out to simultaneous display is installed on the lateral wall of described shell two, described display unit two is controlled by processor two and itself and processor two join, and described display unit two joins with power supply unit.
Above-mentioned a kind of liquid line pressure versus flow device for automatically regulating, it is characterized in that: the Wheatstone bridge of described load cell for being formed by four voltage dependent resistor (VDR) R10, R20, R30 and R40 serial connection, two output terminals of described Wheatstone bridge join with two input ends of SIGMA-DELTA analog to digital converter respectively; Described power supply unit is solar energy charging battery.
Above-mentioned a kind of liquid line pressure versus flow device for automatically regulating, is characterized in that: described SIGMA-DELTA pattern number converter and processor two become one and the two is integrated into the single-chip microcomputer that carries SIGMA-DELTA pattern number converter; The single-chip microcomputer of the described SIGMA-DELTA of carrying pattern number converter is MSP430F4XX series monolithic, and two output terminals of described Wheatstone bridge join with A+ input end and the A-input end of MSP430F4XX series monolithic respectively.
Above-mentioned a kind of liquid line pressure versus flow device for automatically regulating, is characterized in that: described flowmeter installing port and connecting pipe join, and described connecting pipe and Dial of instrument join; Electronic circuit board one is installed in described connecting pipe, on described electronic circuit board one, is provided with the signal conditioning circuit that flow signal that described flow detection unit detects is processed, described flow detection unit and described signal conditioning circuit join; Described Dial of instrument comprises shell one and is arranged on the electronic circuit board two in described shell one, and described processor one is laid on described electronic circuit board two, and described signal conditioning circuit and described processor one join; The display unit one of being controlled and flow signal that described flow detection unit detects is carried out simultaneous display by described processor one is installed on described shell one; The parameter set unit of joining with described processor one is installed on described shell one, on described electronic circuit board two, is provided with the wireless communication module one joining with described processor one.
Above-mentioned a kind of liquid line pressure versus flow device for automatically regulating, is characterized in that: described feed liquor pipeline section is level to laying, and described fluid pipeline section is vertically to laying, and drain pipe section is positioned at the right-hand member below of feed liquor pipeline section; Described flowmeter installing port is positioned at the top, middle part of feed liquor pipeline section.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and processing and fabricating convenience, input cost is lower.
2, little, the lightweight and on-the-spot installation of volume is laid easyly, and energy flow detecting unit and flow control valve are installed concentratedly on same L shaped housing.
3, use easy and simple to handle and use-pattern is flexible, both can manually input discharge and control parameter by being arranged on parameter set unit on Dial of instrument, also can carry out remote monitoring by wireless communication module.
4, the flow control valve structure that adopts is simple, reasonable in design and flow regulation is easy, has manual adjustments and automatically regulates two kinds of flow regulation modes.In actual use procedure, when without external power supply, can pass through hand crank manual adjustments flow.
5, the turbo flow meter adopting has broad quantum, it is simple to safeguard, the pressure loss is little, measuring accuracy is high and output signal and the advantage such as flow is linear, and can eliminate the vibration interference on three-dimensional, and there is good anti-electromagnetic interference capability.Meanwhile, the power consumption of the turbo flow meter that adopts is lower.
6, simple, the reasonable in design and easy-to-connect of the pressure sensing cell circuit that adopts, input cost is lower, and simple in structure, install lay convenient.During actual use, lower and the longevity of service of the power consumption of pressure sensing cell, can carry out stores synchronized to each pressure test result constantly, and can by wireless communication module two by institute's test pressure value synchronous driving to host computer, also can carry out two-way communication by data transmission interface two and external equipment, realize data transmission.Simultaneously, pressure sensing cell uses easy and simple to handle and result of use good, SIGMA-DELTA pattern number converter is with programmable gain amplifier (PGA), its very convenient and electric bridge, the faint sensor signal such as thermopair connects, and because SIGMA-DELTA pattern number converter (16 ADC) adopts digital circuit, the imbalance of having avoided mimic channel to occur, temperature is floated, the problems such as upper and lower rail, thereby can replace existing high performance analog amplifier completely, make directly pick-up transducers signal of microcontroller (specifically MSP430F4XX series monolithic), without amplifying again processing, thereby adopt this pressure sensing cell can save the signal conditioning circuit that traditional device for pressure measurement adopts, reduced on the one hand the cost of original throwing on instrument amplifier or operational amplifier, improve on the other hand measuring accuracy, reduced power consumption.To sum up, the utlity model has that input cost is lower, measuring accuracy advantages of higher, can effectively solve the problems such as the input cost that existing digital pressure gauge exists is higher, power consumption is high, measuring accuracy is lower.
7, result of use is good and practical value is high, integrate pressure versus flow monitoring function, flow control valve is arranged on the vertical pipeline section in turbo flow meter downstream and the intersection of horizontal pipeline section, by the angle between L shaped passage in regulating spool and horizontal pipeline section, change the size of runner, thereby regulate fluid flow.Pressure sensing cell is arranged on fluid pipe end.In actual use procedure, while working under automatic mode, be used for setting after flow control parameter, processor compares real-time the detected instantaneous delivery of turbo flow meter and flow set value, if current instantaneous delivery is greater than or less than flow set value and difference is greater than difference allowed band, processor is controlled electric driving mechanism flow control valve is controlled, and corresponding runner is adjusted, until instantaneous delivery is adjusted to the flow value that approaches (difference is less than and allows difference range) or equal to arrange; And when fluid flow is adjusted, can tackle mutually liquid line pressure and adjust.And while working under manual mode, by hand crank, flow control valve is controlled.Meanwhile, the utility model can carry out record to the instantaneous discharge in each L shaped housing of moment, and can the volumetric flow rate in L shaped housing be detected.
7, popularizing application prospect is extensive, can be used for the engineerings such as high oil field water injection, water mixing, dusting power drug.
In sum, the utility model is simple in structure, reasonable in design, processing and fabricating and install to lay convenient and input cost is lower, result of use is good, integrate pressure versus flow monitoring function, can not only monitor fluid flow and fluid pressure, and can to fluid flow, automatically adjust according to flow monitoring result, and when fluid flow is regulated, can tackle mutually liquid line pressure and adjust.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic block circuit diagram of the utility model pressure sensing cell.
Fig. 3 is the circuit theory diagrams of the utility model load cell and processor two.
Description of reference numerals:
1-feed liquor pipeline section; 1-1-shell two; 1-2-load cell;
1-3-power supply unit; 1-4-SIGMA-DELTA pattern number converter;
1-5-processor two; 1-6-jointing; 1-7-display unit two;
1-8-data transmission interface two; 1-9-timing circuit; 1-10-data storage cell;
1-11-wireless communication module two; 2-fluid pipeline section; 3-flowmeter installing port;
4-connecting pipe; 5-Dial of instrument; 6-electronic circuit board one;
7-joint flange; 8-valve installation mouth; 9-turbine;
10-magneto converter; 11-end cap; 12-bearing;
13-valve pocket; 14-spool; 15-L shaped passage;
16-hand crank; 17-reducing motor.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model comprises the L shaped housing being connected to form by feed liquor pipeline section 1 and fluid pipeline section 2, fluid flow in feed liquor pipeline section 1 is carried out to the flow detection unit detecting in real time, fluid pressure in fluid pipeline section 2 is carried out to the pressure sensing cell detecting in real time and the flow control valve that the fluid flow in described L shaped housing is regulated, on described feed liquor pipeline section 1, be provided with the flowmeter installing port 3 of installing for described flow detection unit, junction between described feed liquor pipeline section 1 and fluid pipeline section 2 is provided with the valve installation mouth 8 of installing for described flow control valve.Described flow detection unit is arranged in flowmeter installing port 3, and described flow control valve is arranged in valve installation mouth 8.Described pressure sensing cell comprises shell two 1-1, in described shell two 1-1, by baffle for separating, is upper chamber and the lower cavity that is positioned at described upper chamber below, and described lower cavity communicates with fluid pipeline section 2 inside and its inside is provided with load cell 1-2.Electronic circuit board three is installed in described upper chamber, the SIGMA-DELTA pattern number converter 1-4 that is provided with power supply unit 1-3 on described electronic circuit board three, joins with load cell 1-2 and processor two 1-5 that join with SIGMA-DELTA pattern number converter 1-4, described processor two 1-5 and power supply unit 1-3 join.
In the present embodiment, described valve installation mouth 8 is coaxial laying with feed liquor pipeline section 1.
In the present embodiment, described flowmeter installing port 3 joins with connecting pipe 4, and described connecting pipe 4 joins with Dial of instrument 5.In described connecting pipe 4, electronic circuit board 1 is installed, on described electronic circuit board 1, is provided with the signal conditioning circuit that flow signal that described flow detection unit detects is processed, described flow detection unit and described signal conditioning circuit join.Described Dial of instrument 5 comprises shell one and is arranged on the electronic circuit board two in described shell one, and described processor one is laid on described electronic circuit board two, and described signal conditioning circuit and described processor one join; The display unit one of being controlled and flow signal that described flow detection unit detects is carried out simultaneous display by described processor one is installed on described shell one.The parameter set unit of joining with described processor one is installed on described shell one, on described electronic circuit board two, is provided with the wireless communication module one joining with described processor one.
In the present embodiment, described feed liquor pipeline section 1 is level to laying, and described fluid pipeline section 2 is vertically to laying, and fluid pipeline section 2 is positioned at the right-hand member below of feed liquor pipeline section 1.Described flowmeter installing port 3 is positioned at the top, middle part of feed liquor pipeline section 1.Described valve installation mouth 8 is laid in the positive right side of feed liquor pipeline section 1.
During actual use, described flow detection unit is vortex shedding flow meter or turbo flow meter.In the present embodiment, described flow detection unit is turbo flow meter.
In the present embodiment, described turbine flow is counted electromagnetic flowmeter.Described turbo flow meter comprises the turbine 9 that is arranged on flowmeter installing port 3 inside bottom and the magneto converter 10 that is arranged on flowmeter installing port 3 tops, described magneto converter 10 comprises for the permanent magnet in the interior generation of flowmeter installing port 3 magnetic field and electromagnetic induction coil that the flux change amount causing after the magnetic line of force in the described magnetic fields of turbine 9 cutting is detected, described permanent magnet is arranged in flowmeter installing port 3, and described electromagnetic induction coil is positioned at described permanent magnet top and it is positioned at flowmeter installing port 3 outsides.Described electromagnetic induction coil joins by cable and described signal conditioning circuit.
In the present embodiment, described connecting pipe 4 is metal tube, and described metal tube can play electromagnetic shielding action.Described signal conditioning circuit amplifies and Shape correction described electromagnetic induction coil institute detection signal.
Meanwhile, on described shell one, be provided with the data transmission interface one joining with described processor one.
In the present embodiment, described flow control valve comprises being arranged in valve installation mouth 8 and with feed liquor pipeline section 1 and is the valve pocket 13 of coaxial laying, is coaxially arranged in valve pocket 13 and the spool 14 that can rotate in valve pocket 13, in described spool 14, have L shaped passage 15, between described feed liquor pipeline section 1 and fluid pipeline section 2, by described L shaped passage 15, be communicated with; Described valve installation mouth 8 outsides are provided with movable valve plug 14 and rotate and tackle mutually the spool driving mechanism that the fluid flow in described L shaped passage 15 regulates, and described spool driving mechanism and spool 14 are in transmission connection.
Described spool driving mechanism comprises electric driving mechanism and/or Manual drive mechanism, and described electric driving mechanism and described Manual drive mechanism are all in transmission connection with spool 14; Described electric driving mechanism is controlled by processor one and itself and described processor one join.
During actual installation, described spool driving mechanism is positioned at described flow control valve right side.
During actual use, by described wireless communication module, the utility model is carried out to remote monitoring.
In the present embodiment, described electric driving mechanism is reducing motor 17, and the power output shaft of described reducing motor 17 is coaxially connected with spool 14.Described Manual drive mechanism is hand crank 16.
During actual installation, between described spool 14 and valve pocket 13, by bearing 12, be connected.
In the present embodiment, shutoff is carried out by end cap 11 in described valve installation mouth 8 outer ends.
In the present embodiment, on described feed liquor pipeline section 1 and fluid pipeline section 2, be provided with joint flange 7.Described feed liquor pipeline section 1 is vertical laying with fluid pipeline section 2.
In the present embodiment, described pressure sensing cell also comprises shell two 1-1 is installed on to the jointing 1-6 on fluid pipeline section 2, display unit two 1-7 that load cell 1-2 institute test pressure value carried out to simultaneous display are installed on the lateral wall of described shell two 1-1, described display unit two 1-7 are controlled by processor two 1-5 and itself and processor two 1-5 join, and described display unit two 1-7 and power supply unit 1-3 join.
In the present embodiment, described jointing 1-6 is screwed pipe joint.
During actual use, described jointing 1-6 also can adopt the joint of other type.
The Wheatstone bridge of described load cell 1-2 for being formed by four voltage dependent resistor (VDR) R10, R20, R30 and R40 serial connection, two output terminals of described Wheatstone bridge join with two input ends of SIGMA-DELTA analog to digital converter 1-4 respectively; Described power supply unit 1-3 is solar energy charging battery.
In the present embodiment, described SIGMA-DELTA pattern number converter 1-4 and processor two 1-5 become one and the two is integrated into the single-chip microcomputer that carries SIGMA-DELTA pattern number converter; The single-chip microcomputer of the described SIGMA-DELTA of carrying pattern number converter is MSP430F4XX series monolithic, and two output terminals of described Wheatstone bridge join with A+ input end and the A-input end of MSP430F4XX series monolithic respectively.
Meanwhile, on described electronic circuit board three, be also provided with respectively timing circuit 1-9, data transmission interface two 1-8 and the data storage cell 1-10 joining with processor two 1-5.
During physical cabling, two output terminals of described Wheatstone bridge are respectively A0 output terminal and A1 output terminal, in described Wheatstone bridge, the tie point of voltage dependent resistor (VDR) R20 and R30 is that the A+ input end of A0 output terminal and itself and MSP430F4XX series monolithic joins, and the tie point of voltage dependent resistor (VDR) R10 and R40 is that the A-input end of A1 output terminal and itself and MSP430F4XX series monolithic joins.The tie point of voltage dependent resistor (VDR) R10 and R20 divides two-way, and a road is ground connection after filter capacitor C1, ground connection after the resistor voltage divider circuit that another road forms via resistance R 1 and R2 serial connection.Tie point ground connection between voltage dependent resistor (VDR) R30 and R40.The tie point of voltage dependent resistor (VDR) R10 and R20 connects the P2.2 input end of MSP430F4XX series monolithic, and the tie point of resistance R 1 and R2 connects the Vref input end of MSP430F4XX series monolithic.
In the present embodiment, described display unit two 1-7 are LCD liquid crystal display.
In the present embodiment, described shell two 1-1 are cylindrical shell.
During actual installation, described display unit two 1-7 are laid on the front side wall of shell 1-1.
In the present embodiment, be also provided with wireless communication module two 1-11 that join with processor two 1-5 on described electronic circuit board three, described processor two 1-5 carry out two-way communication by wireless communication module two 1-11 and host computer.
Two output terminals of described load cell 1-2 join with A+ and the A-input end of MSP430F4XX series monolithic respectively, and the resistor voltage divider circuit being formed by resistance R 1 and R2 serial connection provides reference voltage for MSP430F4XX series monolithic.During actual use, in the SIGMA-DELTA pattern number converter 1-4 that MSP430F4XX series monolithic inside carries with the programmable gain amplifier that the measured pressure signal of load cell 1-2 is amplified, and after the measured pressure signal of load cell 1-2 is amplified, by SIGMA-DELTA pattern number converter 1-4, carry out analog-to-digital conversion again, and MSP430F4XX series monolithic carries out simultaneous display by the measured force value of load cell 1-2 by display unit two 1-7 again.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a liquid line pressure versus flow device for automatically regulating, it is characterized in that: comprise the L shaped housing being connected to form by feed liquor pipeline section (1) and fluid pipeline section (2), fluid flow in feed liquor pipeline section (1) is carried out to the flow detection unit detecting in real time, fluid pressure in fluid pipeline section (2) is carried out to the pressure sensing cell detecting in real time and the flow control valve that the fluid flow in described L shaped housing is regulated, on described feed liquor pipeline section (1), be provided with the flowmeter installing port (3) of installing for described flow detection unit, junction between described feed liquor pipeline section (1) and fluid pipeline section (2) is provided with the valve installation mouth (8) of installing for described flow control valve, described flow detection unit is arranged in flowmeter installing port (3), and described flow control valve is arranged in valve installation mouth (8), described pressure sensing cell comprises shell two (1-1), in described shell two (1-1), by baffle for separating, be upper chamber and the lower cavity that is positioned at described upper chamber below, described lower cavity communicates with fluid pipeline section (2) inside and its inside is provided with load cell (1-2), electronic circuit board three is installed in described upper chamber, the SIGMA-DELTA pattern number converter (1-4) that is provided with power supply unit (1-3) on described electronic circuit board three, joins with load cell (1-2) and the processor two (1-5) joining with SIGMA-DELTA pattern number converter (1-4), described processor two (1-5) joins with power supply unit (1-3).
2. according to a kind of liquid line pressure versus flow device for automatically regulating claimed in claim 1, it is characterized in that: described flow detection unit is vortex shedding flow meter or turbo flow meter.
3. according to a kind of liquid line pressure versus flow device for automatically regulating described in claim 1 or 2, it is characterized in that: described valve installation mouth (8) is coaxial laying with feed liquor pipeline section (1).
4. according to a kind of liquid line pressure versus flow device for automatically regulating claimed in claim 3, it is characterized in that: described flow control valve comprises being arranged in valve installation mouth (8) and with feed liquor pipeline section (1) and is the valve pocket (13) of coaxial laying, is coaxially arranged in valve pocket (13) and the spool (14) that can rotate in valve pocket (13), in described spool (14), have L shaped passage (15), between described feed liquor pipeline section (1) and fluid pipeline section (2), by described L shaped passage (15), be communicated with; Described valve installation mouth (8) outside is provided with band movable valve plug (14) and rotates and tackle mutually the spool driving mechanism that the fluid flow in described L shaped passage (15) regulates, and described spool driving mechanism and spool (14) are in transmission connection.
5. according to a kind of liquid line pressure versus flow device for automatically regulating claimed in claim 4, it is characterized in that: described spool driving mechanism comprises electric driving mechanism and/or Manual drive mechanism, described electric driving mechanism and described Manual drive mechanism are all in transmission connection with spool (14); Described electric driving mechanism is controlled by processor one and itself and described processor one join.
6. according to a kind of liquid line pressure versus flow device for automatically regulating described in claim 1 or 2, it is characterized in that: described pressure sensing cell also comprises shell two (1-1) is installed on to the jointing (1-6) on fluid pipeline section (2), the display unit two (1-7) that load cell (1-2) institute test pressure value is carried out to simultaneous display is installed on the lateral wall of described shell two (1-1), described display unit two (1-7) is controlled by processor two (1-5) and itself and processor two (1-5) join, described display unit two (1-7) joins with power supply unit (1-3).
7. according to a kind of liquid line pressure versus flow device for automatically regulating described in claim 1 or 2, it is characterized in that: the Wheatstone bridge of described load cell (1-2) for being formed by four voltage dependent resistor (VDR) R10, R20, R30 and R40 serial connection, two output terminals of described Wheatstone bridge join with two input ends of SIGMA-DELTA analog to digital converter (1-4) respectively; Described power supply unit (1-3) is solar energy charging battery.
8. according to a kind of liquid line pressure versus flow device for automatically regulating claimed in claim 7, it is characterized in that: described SIGMA-DELTA pattern number converter (1-4) becomes one with processor two (1-5) and the two is integrated into the single-chip microcomputer that carries SIGMA-DELTA pattern number converter; The single-chip microcomputer of the described SIGMA-DELTA of carrying pattern number converter is MSP430F4XX series monolithic, and two output terminals of described Wheatstone bridge join with A+ input end and the A-input end of MSP430F4XX series monolithic respectively.
9. according to a kind of liquid line pressure versus flow device for automatically regulating claimed in claim 5, it is characterized in that: described flowmeter installing port (3) joins with connecting pipe (4), described connecting pipe (4) joins with Dial of instrument (5); Electronic circuit board one (6) is installed in described connecting pipe (4), on described electronic circuit board one (6), be provided with the signal conditioning circuit that flow signal that described flow detection unit detects is processed, described flow detection unit and described signal conditioning circuit join; Described Dial of instrument (5) comprises shell one and is arranged on the electronic circuit board two in described shell one, and described processor one is laid on described electronic circuit board two, and described signal conditioning circuit and described processor one join; The display unit one of being controlled and flow signal that described flow detection unit detects is carried out simultaneous display by described processor one is installed on described shell one; The parameter set unit of joining with described processor one is installed on described shell one, on described electronic circuit board two, is provided with the wireless communication module one joining with described processor one.
10. according to a kind of liquid line pressure versus flow device for automatically regulating claimed in claim 9, it is characterized in that: described feed liquor pipeline section (1) is level to laying, described fluid pipeline section (2) is vertically to laying, and fluid pipeline section (2) is positioned at the right-hand member below of feed liquor pipeline section (1); Described flowmeter installing port (3) is positioned at the top, middle part of feed liquor pipeline section (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420051853.3U CN203720688U (en) | 2014-01-27 | 2014-01-27 | Pressure and flow automatic regulation and control device for liquid pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420051853.3U CN203720688U (en) | 2014-01-27 | 2014-01-27 | Pressure and flow automatic regulation and control device for liquid pipeline |
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| CN203720688U true CN203720688U (en) | 2014-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841938A (en) * | 2020-06-22 | 2020-10-30 | 江苏大学 | Low-cost spray pressure and flow integrated intelligent detection device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841938A (en) * | 2020-06-22 | 2020-10-30 | 江苏大学 | Low-cost spray pressure and flow integrated intelligent detection device and method |
| CN111841938B (en) * | 2020-06-22 | 2021-11-23 | 江苏大学 | Low-cost spray pressure and flow integrated intelligent detection device and method |
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