CN203038123U - Flow control device - Google Patents
Flow control device Download PDFInfo
- Publication number
- CN203038123U CN203038123U CN 201220655496 CN201220655496U CN203038123U CN 203038123 U CN203038123 U CN 203038123U CN 201220655496 CN201220655496 CN 201220655496 CN 201220655496 U CN201220655496 U CN 201220655496U CN 203038123 U CN203038123 U CN 203038123U
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Abstract
The utility model discloses a flow control device. The flow control device comprises a flow sensor, an A/D converter, a single chip microcomputer, a keyboard, a drive chip, a motor, an interface chip and a display, wherein the flow sensor, the A/D converter, the single chip microcomputer, the drive chip and the motor are connected with each other sequentially, and the keyboard is connected with the single chip microcomputer; and an output end of the single chip microcomputer is connected with the interface chip and the display sequentially. According to the flow control device of the utility model, single chip microcomputer and sensor technologies are utilized; acquired flow and flow velocity information is transferred to the single chip microcomputer real time; after the single chip microcomputer processes the information, the processed information is outputted through the display; and outputted flow and flow velocity can be automatically controlled according to values set by people. The flow control device is advantageous in simple structure, convenience in installation, high sensitivity and effective control on flow and flow velocity.
Description
Technical field
The utility model belongs to the flow measuring and controlling field, is specifically related to a kind of volume control device.
Background technology
Because oil, water etc. are important resource, no matter go up the angle from energy savings, still be from the economy angle, all be very necessary for the accurate control of flow, the economic benefit that produces also is fairly obvious.So need be in addition strict control of flow, the flow control system that therefore presses for a kind of intelligence guarantees the accuracy of flow metering and correct control flow fast, this is to economizing on resources, the significant help of having controlled cost.
Summary of the invention
The purpose of this utility model is, a kind of volume control device is provided, and this device is liquid dynamic flow rate, flow and integrated flow information in the display pipeline exactly, and can control flow and flow velocity.
In order to realize above-mentioned task, the utility model is solved by the following technical solutions:
A kind of volume control device, comprise flow sensor, A/D converter, single-chip microcomputer, keyboard, driving chip, motor, interface chip and display, wherein, flow sensor, A/D converter, single-chip microcomputer, driving chip are connected successively with motor, keyboard connects single-chip microcomputer, and the output terminal of single-chip microcomputer is connecting interface chip and display successively.
The utility model also has following technical characterstic:
Described flow sensor adopts SPLWGY type liquid flowmeter.
Described A/D converter adopts the ADC0809 converter.
Described single-chip microcomputer adopts AT89C51 type single-chip microcomputer.
Described driving chip adopts the ULN2003 chip.
Described interface chip adopts MC14495 type interface chip.
Described display adopts eight LED charactrons.
The utility model utilizes singlechip technology and sensor technology, the flow and the flow rate information that collect are passed to single-chip microcomputer in real time, single-chip microcomputer with information processing after by display output, and can control flow and the flow velocity of output according to the value of artificial setting automatically.This apparatus structure is simple, is convenient to installation and highly sensitive, can play effective control to flow and flow velocity.
Description of drawings
Fig. 1 is annexation synoptic diagram of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment
Defer to technique scheme, as shown in Figure 1, a kind of volume control device, comprise flow sensor, A/D converter, single-chip microcomputer, keyboard, driving chip, motor, interface chip and display, wherein, flow sensor, A/D converter, single-chip microcomputer, driving chip are connected successively with motor, and keyboard connects single-chip microcomputer, and the output terminal of single-chip microcomputer is connecting interface chip and display successively.
In the utility model, flow sensor adopts SPLWGY type liquid flowmeter, characteristics such as that this flowmeter has is simple in structure, light and handy, precision is high, repdocutbility good, be quick on the draw with the form output of flow signal with pulse, are used for obtaining flow and the flow rate information of the pipeline liquid of flowing through; A/D converter adopts the ADC0809 converter, is used for the fluid flow rate signal that the transmission of conversion flow sensor comes; Single-chip microcomputer adopts AT89C51 type single-chip microcomputer, for the treatment of flow signal, the output of control display, control motor; Interface chip adopts MC14495 type interface chip, this chip is connected with single-chip microcomputer, RAM storer and 14 bit timing device/counters of 256 bytes are provided, and for peripheral hardware provides two 8 I/O ports and 6 I/O ports, be used for connecting display and assistant SCM realization flow rate calculation; Display adopts eight LED charactrons, is used for showing dynamic flow and integrated flow; Drive chip and adopt the ULN2003 chip, this chip is a kind of high withstand voltage, big electric current Darlington array, characteristics such as have current gain height, operating voltage height, temperature range is wide, carrying load ability is strong, be adapted to each generic request at a high speed, powerful drive unit, be used for drive motor; The effect of motor is the control signal according to single-chip microcomputer, the rotation of the motorized valve on the control pipeline.
The course of work of the present utility model is such, and flowmeter is installed on the pipeline of controlled fluid flow, measures flow and the flow velocity of the liquid of flowing through constantly, and flow and flow velocity signal are passed to single-chip microcomputer by A/D converter.Single-chip microcomputer dynamically shows real-time traffic, flow rate information and integrated flux information by display in real time by display after flow and flow velocity signal are handled; Following method is adopted in the control of flow and flow velocity:
1. when needing limited flow rate, the flow occurrence that will limit by keyboard input, this moment, single-chip microcomputer began the limited flow rate of integrated flux and input is compared, if integrated flux reaches limited flow rate, then send steering order to motor, driven by motor is installed in the motorized valve rotation on the pipeline, cuts off the liquid in the pipeline of flowing through, and reaches the purpose of control flow.
2. when needing the control flow velocity, the flow speed value that will limit by keyboard input, single-chip microcomputer then compares the restriction flow velocity of the current flow velocity of liquid in the pipeline and input, if current flow velocity does not conform to the restriction flow velocity, the motorized valve that is installed on the pipeline by Electric Machine Control rotates accordingly, reaches the purpose of control flow velocity.
The electronic devices and components that the utility model adopts are known product, and those skilled in the art are according to the i.e. concrete connected mode of electronic devices and components as can be known of the technical solution of the utility model.
Claims (7)
1. volume control device, it is characterized in that, comprise flow sensor, A/D converter, single-chip microcomputer, keyboard, driving chip, motor, interface chip and display, wherein, flow sensor, A/D converter, single-chip microcomputer, driving chip are connected successively with motor, keyboard connects single-chip microcomputer, and the output terminal of single-chip microcomputer is connecting interface chip and display successively.
2. volume control device as claimed in claim 1 is characterized in that, described flow sensor adopts SPLWGY type liquid flowmeter.
3. volume control device as claimed in claim 1 is characterized in that, described A/D converter adopts the ADC0809 converter.
4. volume control device as claimed in claim 1 is characterized in that, described single-chip microcomputer adopts AT89C51 type single-chip microcomputer.
5. volume control device as claimed in claim 1 is characterized in that, described driving chip adopts the ULN2003 chip.
6. volume control device as claimed in claim 1 is characterized in that, described interface chip adopts MC14495 type interface chip.
7. volume control device as claimed in claim 1 is characterized in that, described display adopts eight LED charactrons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655496 CN203038123U (en) | 2012-11-29 | 2012-11-29 | Flow control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655496 CN203038123U (en) | 2012-11-29 | 2012-11-29 | Flow control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203038123U true CN203038123U (en) | 2013-07-03 |
Family
ID=48690230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220655496 Expired - Fee Related CN203038123U (en) | 2012-11-29 | 2012-11-29 | Flow control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203038123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104965530A (en) * | 2015-07-07 | 2015-10-07 | 成都国光电子仪表有限责任公司 | Flow device being easy to realize flow centralized monitoring and control |
| CN110260942A (en) * | 2019-07-19 | 2019-09-20 | 济南大学 | A kind of 4 road mass flowmenter display systems |
-
2012
- 2012-11-29 CN CN 201220655496 patent/CN203038123U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104965530A (en) * | 2015-07-07 | 2015-10-07 | 成都国光电子仪表有限责任公司 | Flow device being easy to realize flow centralized monitoring and control |
| CN110260942A (en) * | 2019-07-19 | 2019-09-20 | 济南大学 | A kind of 4 road mass flowmenter display systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131129 |