CN202938859U - Flow gauge - Google Patents
Flow gauge Download PDFInfo
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- CN202938859U CN202938859U CN 201220661028 CN201220661028U CN202938859U CN 202938859 U CN202938859 U CN 202938859U CN 201220661028 CN201220661028 CN 201220661028 CN 201220661028 U CN201220661028 U CN 201220661028U CN 202938859 U CN202938859 U CN 202938859U
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Abstract
The utility mode provides a flow gauge which solves the problems that a flow gauge in the prior art can not output flow signals to other platforms and is bad in compatibility. The flow gauge comprises a high strength plastic conduit, a magnetic circuit system, a stainless steel electrode, a first signal amplifier, a first A/D converter, a temperature sensor, a second signal amplifier, a second A/D converter and a digital signal processor (DSP). The magnetic circuit system comprises two permanent magnets which are symmetrically arranged on two sides of the high strength plastic conduit. The stainless steel electrode outputs induction electric potential signals which are in direct proportion to flow. The first signal amplifier enables the induction electric potential signals to be amplified. The first A/D converter enables output signals of the first signal amplifier to be converted in a digital mode. The temperature detects the temperature of detected liquid. The second signal amplifier enables the temperature induction signals to be amplified. The second A/D converter enables the temperature induction signals to be converted in a digital mode. The DSP is connected to output ends of the first A/D converter and the second A/D converter, and flow signals are obtained.
Description
Technical field
The utility model relates to metering field, particularly a kind of flowmeter.
Background technology
Flowmeter is that existing flowmeter mostly is greatly mechanical type for a kind of instrument of measuring channel or open channel fluid flow, can only be used for reading, can not be to other platform delivery rate signals, poor compatibility.
The utility model content
The utility model proposes a kind of flowmeter, having solved flowmeter of the prior art can not be to the problem of other platform delivery rate signals, poor compatibility.
The technical solution of the utility model is achieved in that
A kind of flowmeter comprises: the highstrenghtpiston's conduit that is used for flowing through fluid to be measured; Magnetic circuit system comprises two blocks of permanent magnets that are symmetricly set on described highstrenghtpiston's conduit both sides; Stainless steel electrode is arranged on described highstrenghtpiston's conduit vertical direction, the induced potential signal that output is directly proportional to flow; The first signal amplifier amplifies described induced potential signal; The first A/D converter is converted to digital form with the output signal of described first signal amplifier; Temperature sensor, the temperature of detection fluid to be measured, output temperature induced signal; The secondary signal amplifier amplifies described temperature sensor signal; The second A/D converter is converted to digital form with described temperature sensor signal; Dsp processor is connected to the output terminal of the first A/D converter and the second A/D converter, according to temperature sensor signal, the induced potential signal is revised, and obtains flow signal.
Alternatively, described dsp processor is the TMS320F2812 processor of 32 fixed points.
Alternatively, described the first A/D converter and the second A/D converter are the ADS130E08 chip.
The beneficial effects of the utility model are:
(1) by dsp processor, flow value is analyzed and processed, flow value can be sent to other platforms with the form of electric signal and share, compatible good;
(2) by temperature sensor, the flow signal of fluid to be measured is revised, measured value is more accurate.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of a kind of flowmeter of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, flowmeter of the present utility model comprises: the highstrenghtpiston's conduit 10 that is used for flowing through fluid to be measured; Magnetic circuit system comprises two blocks of permanent magnets 20 that are symmetricly set on highstrenghtpiston's conduit both sides; Stainless steel electrode 30 is arranged on highstrenghtpiston's conduit 10 vertical direction, the induced potential signal that output is directly proportional to flow; First signal amplifier 40 amplifies the induced potential signal; The first A/D converter 50 is converted to digital form with the output signal of first signal amplifier 40; Temperature sensor 60, the temperature of detection fluid to be measured, output temperature induced signal; Secondary signal amplifier 70 amplifies temperature sensor signal; The second A/D converter 80 is converted to digital form with temperature sensor signal; Dsp processor 90 is connected to the output terminal of the first A/D converter 50 and the second A/D converter 80, according to temperature sensor signal, the induced potential signal is revised, and obtains the flow signal of fluid to be measured.
Preferably, dsp processor 90 is the TMS320F2812 processor of 32 fixed points, and the first A/D converter 50 and the second A/D converter 80 are the ADS130E08 chip.
Flowmeter of the present utility model is analyzed and processed flow value by dsp processor, flow value can be sent to other platforms with the form of electric signal and share, and is compatible good; By temperature sensor, the flow signal of fluid to be measured is revised, measured value is more accurate.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a flowmeter, is characterized in that, comprising:
Be used for flowing through highstrenghtpiston's conduit of fluid to be measured;
Magnetic circuit system comprises two blocks of permanent magnets that are symmetricly set on described highstrenghtpiston's conduit both sides;
Stainless steel electrode is arranged on described highstrenghtpiston's conduit vertical direction, the induced potential signal that output is directly proportional to flow;
The first signal amplifier amplifies described induced potential signal;
The first A/D converter is converted to digital form with the output signal of described first signal amplifier;
Temperature sensor, the temperature of detection fluid to be measured, output temperature induced signal;
The secondary signal amplifier amplifies described temperature sensor signal;
The second A/D converter is converted to digital form with described temperature sensor signal;
According to temperature sensor signal, the induced potential signal is revised and obtained the dsp processor of flow signal, be connected to the output terminal of the first A/D converter and the second A/D converter.
2. flowmeter as claimed in claim 1, is characterized in that, described dsp processor is the TMS320F2812 processor of 32 fixed points.
3. flowmeter as claimed in claim 2, is characterized in that, described the first A/D converter and the second A/D converter are the ADS130E08 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661028 CN202938859U (en) | 2012-11-09 | 2012-11-09 | Flow gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661028 CN202938859U (en) | 2012-11-09 | 2012-11-09 | Flow gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202938859U true CN202938859U (en) | 2013-05-15 |
Family
ID=48323093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220661028 Expired - Fee Related CN202938859U (en) | 2012-11-09 | 2012-11-09 | Flow gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202938859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509824A (en) * | 2016-01-25 | 2016-04-20 | 中国原子能科学研究院 | Permanent-magnetic liquid metal flowmeter |
-
2012
- 2012-11-09 CN CN 201220661028 patent/CN202938859U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509824A (en) * | 2016-01-25 | 2016-04-20 | 中国原子能科学研究院 | Permanent-magnetic liquid metal flowmeter |
| CN105509824B (en) * | 2016-01-25 | 2018-10-09 | 中国原子能科学研究院 | A kind of magneto flow of liquid metal gauge |
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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: 20130515 Termination date: 20131109 |