CN203455051U - Viscometer liquid level measuring device - Google Patents
Viscometer liquid level measuring device Download PDFInfo
- Publication number
- CN203455051U CN203455051U CN201320540518.5U CN201320540518U CN203455051U CN 203455051 U CN203455051 U CN 203455051U CN 201320540518 U CN201320540518 U CN 201320540518U CN 203455051 U CN203455051 U CN 203455051U
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- China
- Prior art keywords
- liquid level
- control circuit
- circuit
- viscosity meter
- level emasuring
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Abstract
The utility model discloses a viscometer liquid level measuring device. The viscometer liquid level measuring device comprises a data processing device, a detection device, a power source and a displayer, wherein the detection device is connected with the data processing device and comprises a photoelectric sensor, a control circuit, a signal tracking circuit and a filtering circuit, the photoelectric sensor is connected with the control circuit, the control circuit is connected with the filtering circuit, and the filtering circuit is connected with the signal tracking circuit. The viscometer liquid level measuring device is high in detection accuracy and good in stability.
Description
Technical field
The utility model relates to precision machinery technology field, relates in particular to a kind of viscosity meter liquid level emasuring device.
Background technology
The pick-up unit of viscosity meter liquid level emasuring device is thermistor at present, during detection, thermistor is separately positioned on to the straight tube position at the measurement ball two ends of viscosity meter, the probe of thermistor stretches in straight tube, and the wire of drawing of thermistor is connected with data processing equipment respectively, and the sensitivity of this viscosity meter liquid level emasuring device is low, and affected by environment larger, as temperature etc., poor anti jamming capability, so the poor stability of viscosity meter liquid level emasuring device, accuracy of detection are low.
Utility model content
In view of current viscosity meter liquid level emasuring device above shortcomings, the utility model provides that a kind of accuracy of detection is high, the viscosity meter liquid level emasuring device of good stability.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of viscosity meter liquid level emasuring device, comprise data processing equipment, pick-up unit, power supply and display, described pick-up unit is connected with data processing equipment, described pick-up unit comprises photoelectric sensor, control circuit, signal tracking circuit and filtering circuit, described photoelectric sensor is connected with control circuit, control circuit is connected with filtering circuit, and filtering circuit is connected with signal tracking circuit.
According to an aspect of the present utility model, described photoelectric sensor is optocoupler, and described optocoupler is arranged on the straight tube at measurement ball two ends of viscosity meter.
According to an aspect of the present utility model, described filtering circuit is RC filtering circuit.
According to an aspect of the present utility model, described control circuit is sensitivity control circuit, and described sensitivity control circuit consists of resistance one and resistance two.
According to an aspect of the present utility model, described power supply is provided with voltage stabilizer.
According to an aspect of the present utility model, described data processing equipment is PC.
The advantage that the utility model is implemented: because viscosity meter liquid level emasuring device of the present utility model comprises data processing equipment, pick-up unit, power supply and display, pick-up unit is connected with data processing equipment, wherein pick-up unit comprises photoelectric sensor, control circuit, signal tracking circuit and filtering circuit, described photoelectric sensor is optocoupler, so the accuracy of detection of viscosity meter liquid level emasuring device is high, good stability, simple structure.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of a kind of viscosity meter liquid level emasuring device described in the utility model;
Fig. 2 is the circuit diagram of the pick-up unit of viscosity meter liquid level emasuring device described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of viscosity meter liquid level emasuring device, comprise data processing equipment, pick-up unit, power supply and display, described pick-up unit is connected with data processing equipment, described pick-up unit comprises photoelectric sensor 4, control circuit 1, signal tracking circuit 3 and filtering circuit 2, photoelectric sensor 4 is connected with control circuit 1, and control circuit 1 is connected with filtering circuit 2, and filtering circuit 2 is connected with signal tracking circuit 3.
In actual applications, photoelectric sensor is optocoupler 7, and optocoupler 7 is to take light as medium carrys out the device of transmission of electric signals, conventionally illuminator (infrared light-emitting diode LED) and light-receiving device (photosensitive semiconductor pipe) is encapsulated in same shell.When input end adds electric signal, illuminator emits beam, and light-receiving device is accepted just to produce photocurrent after light, flows out, thereby realized " electricity-light-electricity " conversion from output terminal; Optocoupler 7 is arranged on the straight tube at measurement ball two ends of viscosity meter, optocoupler 7 is arranged on upper and lower two the timing reticle places of measurement ball on measuring tube specifically, the both sides of each timing reticle are provided with optocoupler 7, because the sensitivity of optocoupler 7 is very high, so the precision of viscosity meter liquid level emasuring device is high.
In actual applications, the optocoupler 7 in pick-up unit is installed in the both sides of the timing reticle of the measurement ball on measuring tube, and when liquid level drops under M1, M2, optocoupler 7 is started working, and sends electric signal; Filtering circuit 2 is RC filtering circuit, while mainly preventing from extracting the liquid in viscosity meter measuring tube, and the rub-out signal that shake and liquid produce while having bubble; Control circuit 1 is sensitivity control circuit, and sensitivity control circuit consists of resistance 1 and resistance 26, because optocoupler 7 is too sensitive, when control circuit 1 can prevent from measuring because indivedual drops rock the measuring error causing; In signal tracking circuit 3, mainly play signal amplification, guarantee that optocoupler 7 signals are enough large and pass to data processing equipment.
In addition, power supply is provided with voltage stabilizer, voltage stabilizer is a kind of feed circuit or the power-supply unit that can automatically adjust output voltage, the effect of voltage stabilizer is that the larger and nonconforming supply voltage of mains fluctuations is stabilized in its range of set value, and various device can be worked under rated operational voltage; During detection, switch on power, by voltage stabilizer, provide normal voltage for other devices; Data processing equipment is PC, and data processing equipment is passed to PC by the data of handling well, carries out data calculating storage.
Principle of work of the present utility model: viscosity meter liquid level emasuring device comprises power supply, voltage stabilizer, data processing equipment, pick-up unit and display, its course of work is: during detection, switch on power, by voltage stabilizer, provide normal voltage for other devices, when testing liquid is flowed through upper and lower two timing reticles of measurement ball on measuring tube, the 7 pairs of testing liquids of optocoupler that are arranged on timing reticle both sides are measured, the signal of measuring amplifies after processing through signal tracking circuit 3, being passed to data processing equipment processes, data processing equipment is passed to PC by the data of handling well, store calculating, simultaneously, PC is controlled display and is carried out data demonstration, display has three LED lamps to show, during power connection, when red, green light amount when liquid level is flowed through M1, while flowing through M2, white lamp is bright.
Use the beneficial effect of the utility model product:
1, accuracy of detection is high
Because the photoelectric sensor 4 in pick-up unit is optocoupler 7, the sensitivity of optocoupler 7 is very high, and antijamming capability is very strong, adds pick-up unit and is provided with sensitivity control circuit 1 and RC filtering circuit 2, so the accuracy of detection of viscosity meter liquid level emasuring device is high, data are very accurate.
2, good stability
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; the technician of any skilled is in the disclosed technical scope of the utility model; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (6)
1. a viscosity meter liquid level emasuring device, comprise data processing equipment, pick-up unit, power supply and display, described pick-up unit is connected with data processing equipment, it is characterized in that, described pick-up unit comprises photoelectric sensor, control circuit, signal tracking circuit and filtering circuit, described photoelectric sensor is connected with control circuit, and control circuit is connected with filtering circuit, and filtering circuit is connected with signal tracking circuit.
2. viscosity meter liquid level emasuring device according to claim 1, is characterized in that, described photoelectric sensor is optocoupler, and described optocoupler is arranged on the straight tube at measurement ball two ends of viscosity meter.
3. viscosity meter liquid level emasuring device according to claim 2, is characterized in that, described filtering circuit is RC filtering circuit.
4. viscosity meter liquid level emasuring device according to claim 2, is characterized in that, described control circuit is sensitivity control circuit, and described sensitivity control circuit consists of resistance one and resistance two.
5. viscosity meter liquid level emasuring device according to claim 2, is characterized in that, described power supply is provided with voltage stabilizer.
6. according to the arbitrary described viscosity meter liquid level emasuring device of claim 1 to 5, it is characterized in that, described data processing equipment is PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540518.5U CN203455051U (en) | 2013-08-30 | 2013-08-30 | Viscometer liquid level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540518.5U CN203455051U (en) | 2013-08-30 | 2013-08-30 | Viscometer liquid level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455051U true CN203455051U (en) | 2014-02-26 |
Family
ID=50134918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320540518.5U Expired - Lifetime CN203455051U (en) | 2013-08-30 | 2013-08-30 | Viscometer liquid level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203455051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345655A (en) * | 2020-04-01 | 2020-06-30 | 上海市同仁医院 | Bowl spoon subassembly of measurable quantity food consistency |
-
2013
- 2013-08-30 CN CN201320540518.5U patent/CN203455051U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345655A (en) * | 2020-04-01 | 2020-06-30 | 上海市同仁医院 | Bowl spoon subassembly of measurable quantity food consistency |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |