CN213543699U - High-precision analog control type flowmeter - Google Patents
High-precision analog control type flowmeter Download PDFInfo
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- CN213543699U CN213543699U CN202022568277.8U CN202022568277U CN213543699U CN 213543699 U CN213543699 U CN 213543699U CN 202022568277 U CN202022568277 U CN 202022568277U CN 213543699 U CN213543699 U CN 213543699U
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Abstract
The utility model discloses a high accuracy analog control formula flowmeter, including analog control formula flowmeter body and power source, the outside of analog control formula flowmeter body is provided with the casing, one side of casing is provided with the input connection pipe, the opposite side of casing is provided with an output connection pipe, one side of casing is provided with an outer shell plate, the outer shell plate rotates with the casing through the pivot to be connected, the top of casing is provided with a top shell plate, top shell plate passes through screw and casing fixed connection, power source sets up the top at the top shell plate, power source's inboard is provided with nine PIN feet. The utility model discloses the fluid passes through the inner union pipe, then through the rotation of adjusting control valve, and the control passes through the flow value of valve to detect flow value through pressure sensor, then show flow value on the flow display appearance, control flow through the flow value of flowmeter and use the control valve from accurate control, improved the practicality of flowmeter.
Description
Technical Field
The utility model relates to a flowmeter field specifically is a high accuracy analog control formula flowmeter.
Background
The flowmeter is known by its english name flowmeter, which is defined by the national committee for the examination and determination of scientific and technical terms as: meters that indicate the measured flow rate and/or the total amount of fluid in a selected time interval. Simply a meter for measuring the flow of fluid in a pipe or open channel. The flow meters are classified into differential pressure type flow meters, rotor flow meters, throttle type flow meters, slit flow meters, volumetric flow meters, electromagnetic flow meters, ultrasonic flow meters, and the like. Classifying according to media: liquid flow meters and gas flow meters.
At present, the traditional flowmeter can only be used for detecting the flow of fluid passing through a pipeline, and when the flow value needs to be adjusted, the traditional flowmeter can be realized only by additionally installing a valve, so that the practicability of the flowmeter is reduced. Therefore, the high-precision analog control type flowmeter is improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a high accuracy analog control formula flowmeter, include:
the flow meter comprises an analog control type flow meter body, wherein a shell is arranged on the outer side of the analog control type flow meter body, an input connecting pipe is arranged on one side of the shell, an input pipe joint is arranged on one side of the input connecting pipe, which is far away from the shell, an output connecting pipe is arranged on the other side of the shell, an output pipe joint is arranged on one side of the output connecting pipe, which is far away from the shell, an outer shell plate is arranged on one side of the shell, the outer shell plate is rotatably connected with the shell through a rotating shaft, a top shell plate is arranged at the top end of the shell, and the top shell plate;
power source, power source sets up the top at the top shell plate, power source's inboard is provided with nine PIN feet, the both ends that the top shell plate is located power source all are provided with a data line spud pile, the inside of data line spud pile is provided with fixed internal thread.
As an optimized technical scheme of the utility model, power source interface's input signal is 0-5VDC, power source interface's output signal is 0-5VDC, power source interface's supply voltage is ± 15VDC/+24 VDC.
As an optimal technical scheme of the utility model, power source electric connection has a flow display instrument, analog control formula flowmeter body passes through flow display instrument and computer electric connection, the inside of computer is provided with A D, D A change-over board, flow display instrument's model is CB 1000.
As an optimal technical scheme of the utility model, power source's the both sides of keeping away from the PIN foot all are provided with a COMMON port (COMMON), the COMMON port is the Darlington pipe, power source's a side of keeping away from the PIN foot is provided with a ground point (GND).
As an optimal technical scheme of the utility model, the inside of control type flowmeter body is provided with the nipple, the one end and the input connection pipe fixed connection of nipple, the other end and the output connection pipe fixed connection of nipple, the outside top of nipple is provided with a control valve, the control valve is the model BYZT, one side that the control valve is close to the input connection pipe is provided with pressure sensor, pressure sensor's model is QDW90A-N, the equal electric connection of control valve and pressure sensor has same integrated control panel, integrated control panel and computer electric connection.
As an optimal technical scheme of the utility model, the range of analog control formula flowmeter body is 2sccm-200slm (N2 equivalence), the flow precision of analog control formula flowmeter body is 1-2% FS, and the repeatability is 0.2% FS.
As a preferred technical scheme of the utility model, casing, shell plate, top shell plate, nipple and control valve all adopt SUS316L material to make.
The utility model has the advantages that: this kind of high accuracy analog control formula flowmeter, use the pipe connection that input connection pipe and fluid flowed in, then through the inner union coupling, then rotation through the regulating control valve, the control passes through the flowmeter of valve, then detect flow value through pressure sensor, then transmit flow value to integrated circuit board through the wire on, and finally pass numerical value back flow display appearance through power source and PIN foot and show, flow value through the flowmeter from accurate control controls and use the control valve to control, the practicality of flowmeter has been improved, the leakproofness of device has been improved simultaneously, then, the control signal to the control valve through nine PIN transmission computers, realize opening and closing the accuracy of control valve, the precision of device has been improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a high-precision analog control type flowmeter according to the present invention;
fig. 2 is an enlarged view of a high accuracy analog controlled flowmeter of the present invention;
fig. 3 is a cross-sectional view of a high accuracy analog controlled flowmeter of the present invention;
fig. 4 is a PIN diagram of the power interface of the high-precision analog control type flowmeter of the present invention.
In the figure: 1. a housing; 2. an input connecting pipe; 3. an input pipe joint; 4. an output connecting pipe; 5. an output pipe joint; 6. an outer shell plate; 7. a top shell plate; 8. a power interface; 9. a PIN PIN; 10. fixing a pile by a data line; 11. fixing the internal thread; 12. a flow display instrument; 13. an inner connecting pipe; 14. a control valve; 15. and (4) integrating the control board.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-4, the utility model relates to a high accuracy analog control formula flowmeter, include:
the flow meter comprises an analog control type flow meter body, wherein a shell 1 is arranged on the outer side of the analog control type flow meter body, an input connecting pipe 2 is arranged on one side of the shell 1, an input pipe joint 3 is arranged on one side, away from the shell 1, of the input connecting pipe 2, an output connecting pipe 4 is arranged on the other side of the shell 1, an output pipe joint 5 is arranged on one side, away from the shell 1, of the output connecting pipe 4, an outer shell plate 6 is arranged on one side of the shell 1, the outer shell plate 6 is rotatably connected with the shell 1 through a rotating shaft, a top shell plate 7 is arranged at the top end of the shell 1, and;
The input signal of the power interface 8 is 0-5VDC, the output signal of the power interface 8 is 0-5VDC, the power supply voltage of the power interface 8 is +/-15 VDC/+24VDC, and the input signal of 0-5VDC, the output signal of 0-5VDC and the power supply voltage of +/-15 VDC/+24VDC are set, so that the analog control type flowmeter body is convenient to speak, the use voltage is controlled below the human body safety voltage value, and the safety of the device is improved.
Wherein, power source 8 electric connection has a flow display 12, analog control formula flowmeter body passes through flow display 12 and computer electric connection, the inside of computer is provided with the A/D, D A converter plate, the model of flow display 12 is CB1000, through setting up the A/D, D A converter plate, be convenient for convert the analog signal of analog control formula flowmeter body into digital signal, and then show on the computer, turn into analog signal with the digital signal of computer simultaneously, thereby the use of control analog control formula flowmeter body, the practicality of device has been improved.
Wherein, power source 8's the both sides of keeping away from PIN foot 9 all are provided with a common port, and the common port is the darlington pipe, and power source 8's the side of keeping away from PIN foot 9 is provided with a ground point, and through setting up the common port, it is more firm to be convenient for make power source 8 be connected with the data wire, and through setting up the ground point, the ground point is connected with the inside earth connection of data wire, further improves analog control formula flowmeter's security performance.
Wherein, the inside of control type flowmeter body is provided with inner union 13, the one end and the input connecting pipe 2 fixed connection of inner union 13, the other end and the output connecting pipe 4 fixed connection of inner union 13, the outside top of inner union 13 is provided with a control valve 14, control valve 14 is BYZT for the model, one side that control valve 14 is close to input connecting pipe 2 is provided with pressure sensor, pressure sensor's model is QDW90A-N, control valve 14 and pressure sensor equal electrically connected have same integrated control panel 15, integrated control panel 15 is connected with the computer electrical property, through setting up control valve 14, be convenient for adjust the gas liquid through inner union 13 pass through with cut-off, through setting up pressure sensor, be convenient for detect the gas/liquid flow value through inner union 13.
The range of the analog control type flowmeter body is equivalent to 2sccm-200slmN2, the flow precision of the analog control type flowmeter body is 1-2% FS, and the repeatability is 0.2% FS.
The casing 1, the outer casing plate 6, the top casing plate 7, the inner pipe 13 and the control valve 14 are all made of SUS316L, and the corrosion resistance of the casing 1, the outer casing plate 6 and the top casing plate 7 is improved by arranging SUS 316L.
When the flow meter works, one end of a conduit needing to measure flow is fixedly connected with an input connecting pipe 2, then the conduit needing to use fluid is fixedly connected with an output connecting pipe 4 by using an input pipe joint 3, then the conduit needing to use fluid is fixed by using an output pipe joint 5, so that the fluid can pass through the inside of the flow meter, then a power supply interface 8 is connected with a flow display instrument 12 by a data line, and the flow display instrument 12 is electrically connected with a computer by using a lead wire, at the moment, the fluid passes through a control valve 14, a pressure sensor at one side of the control valve 14 detects the pressure value of the passed fluid and transmits the pressure value back to an integrated circuit board, the integrated control board 15 converts the pressure value into a flow value and displays the flow value on the flow display instrument 12, and when the flow is not more than the required flow value of the current fluid, the computer is used for controlling the, until the value displayed on the flow rate display instrument 12 is consistent with the required value, the flow rate can be monitored and adjusted.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high accuracy analog controlled flow meter, comprising:
the flow meter comprises an analog control type flow meter body, wherein a shell (1) is arranged on the outer side of the analog control type flow meter body, an input connecting pipe (2) is arranged on one side of the shell (1), an input pipe joint (3) is arranged on one side, away from the shell (1), of the input connecting pipe (2), an output connecting pipe (4) is arranged on the other side of the shell (1), an output pipe joint (5) is arranged on one side, away from the shell (1), of the output connecting pipe (4), an outer shell plate (6) is arranged on one side of the shell (1), the outer shell plate (6) is rotatably connected with the shell (1) through a rotating shaft, a top shell plate (7) is arranged at the top end of the shell (1), and the top shell plate (7) is fixedly connected with the shell (;
power source (8), power source (8) set up the top at top shell plate (7), the inboard of power source (8) is provided with nine PIN feet (9), the both ends that top shell plate (7) are located power source (8) all are provided with a data line spud pile (10), the inside of data line spud pile (10) is provided with fixed internal thread (11).
2. A high accuracy analog controlled flow meter according to claim 1, characterized in that the input signal of the power interface (8) is 0-5VDC, the output signal of the power interface (8) is 0-5VDC and the supply voltage of the power interface (8) is ± 15VDC/+24 VDC.
3. A high accuracy analog controlled flowmeter according to claim 1, characterized in that said power supply interface (8) is electrically connected with a flow indicator (12), said analog controlled flowmeter body is electrically connected with a computer through said flow indicator (12), said computer is internally provided with an a/D, D/a converter board, and said flow indicator (12) is CB 1000.
4. A high accuracy analog controlled flowmeter according to claim 1, characterized in that the two sides of the power interface (8) far from the PIN (9) are provided with a common end, the common end is a darlington pipe, and the side of the power interface (8) far from the PIN (9) is provided with a grounding point.
5. A high accuracy analog control formula flowmeter according to claim 1, characterized in that, the inside of control formula flowmeter body is provided with inner union (13), the one end and the input connection pipe (2) fixed connection of inner union (13), the other end and the output connection pipe (4) fixed connection of inner union (13), the outside top of inner union (13) is provided with a control valve (14), control valve (14) is the model BYZT, one side that control valve (14) is close to input connection pipe (2) is provided with pressure sensor, pressure sensor's model is QDW90A-N, control valve (14) and pressure sensor equal electric connection have same integrated control board (15), integrated control board (15) and computer electric connection.
6. A high accuracy analog controlled flow meter according to claim 1, wherein the range of the analog controlled flow meter body is 2sccm to 200slm, the flow accuracy of the analog controlled flow meter body is 1-2% FS, and the repeatability is 0.2% FS.
7. A high accuracy analog controlled flowmeter according to claim 1 wherein said casing (1), said case plate (6), said top case plate (7), said inner connecting tube (13) and said control valve (14) are made of SUS 316L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568277.8U CN213543699U (en) | 2020-11-09 | 2020-11-09 | High-precision analog control type flowmeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568277.8U CN213543699U (en) | 2020-11-09 | 2020-11-09 | High-precision analog control type flowmeter |
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| CN213543699U true CN213543699U (en) | 2021-06-25 |
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| CN202022568277.8U Active CN213543699U (en) | 2020-11-09 | 2020-11-09 | High-precision analog control type flowmeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113741558A (en) * | 2021-07-30 | 2021-12-03 | 武汉奥智博科技有限公司 | Novel micro-flow gas mass flow controller |
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2020
- 2020-11-09 CN CN202022568277.8U patent/CN213543699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113741558A (en) * | 2021-07-30 | 2021-12-03 | 武汉奥智博科技有限公司 | Novel micro-flow gas mass flow controller |
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