CN207894466U - A kind of high precision positive gear meter - Google Patents
A kind of high precision positive gear meter Download PDFInfo
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- CN207894466U CN207894466U CN201820317753.9U CN201820317753U CN207894466U CN 207894466 U CN207894466 U CN 207894466U CN 201820317753 U CN201820317753 U CN 201820317753U CN 207894466 U CN207894466 U CN 207894466U
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- gear
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- high precision
- flowmeter
- precision
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Abstract
The utility model discloses a kind of high precision positive gear meters, including cover board, shell, gear, preamplifier connector and sensor bearing；The movement of gear is detected by the contactless sensor of two in cover board.The beneficial effects of the utility model：Flowmeter is enclosed in by the gear of two precision-fits in fixed cavity, and fluid to be measured pushes gear rotation when work, and the rotation of gear is detected by the sensor of non-contact device formula.Gap between gear, which is formed, measures cavity space, and when per tooth passes through detector, detector generates a pulse, and the pulse signal of output converts through instrument volume, pulse and processing.This flowmeter is suitable for precision, high pressure, high viscosity environment.
Description
Technical field
The utility model is related to flow detection device more particularly to a kind of high precision positive gear meters.
Background technology
Statement in this part merely provides background information related with present disclosure, thereby increases and it is possible to not constitute
The prior art.
Flowmeter is a kind of positive displacement instrument, the fluid flow that it is used to flow through in measurement pipeline continuously or discontinuously, packet
Include shell, metering cavity combining body, extreme adjuster, meter etc., when fluid to be measured flows through measurement chamber, the in-out end of flowmeter
Pressure difference, drive rotor rotation are formed, while calculator is passed to by gear train assembly, directly indicates the liquid of flow meter
Total amount, meter does period rotation according to rotor and display data, rotor rotational frequency are low, and mete-wand degree will deviation.
Therefore the prior art has much room for improvement and develops.
Invention content
The technical problem to be solved by the present invention is to provide one kind being suitable for precision, high pressure, high viscosity environment high-precision
Volumetric gear flow meter.
The technical solution of the utility model is：
A kind of high precision positive gear meter, including cover board, shell, gear, preamplifier connector, Yi Jichuan
Sensor bearing；The movement of gear is detected by the contactless sensor of two in cover board.
The gear is arranged in the measurement intracavitary in shell, and uses low friction ball bearing or sliding bearing.
The sensor is arranged in transducer room, and is equipped with non magnetic hole between transducer room and measurement chamber and presses partition board.
The preamplifier converts a signal into square-wave signal.
The beneficial effects of the utility model：
Flowmeter is enclosed in by the gear of two precision-fits in fixed cavity, and fluid to be measured pushes gear rotation when work
Turn, the rotation of gear is detected by the sensor of non-contact device formula.Gap between gear, which is formed, measures cavity space, and per tooth passes through detector
When, detector generates a pulse, and the pulse signal of output converts through instrument volume, pulse and processing.This flowmeter is suitable for
Precision, high pressure, high viscosity environment.
Description of the drawings
Fig. 1 is the utility model flowmeter junction box structure schematic diagram；
Fig. 2 flowmeter connector cover plate structure schematic diagrams；
Fig. 3 flowmeter superstructure schematic diagrames；
Fig. 4 is flowmeter lower cover structure schematic diagram.
Specific implementation mode
Embodiment：
Refering to fig. 1 to Fig. 4, a kind of high precision positive gear meter, including flowmeter terminal box 1, flowmeter wiring
Lid plate 2, flowmeter upper cover 3, flowmeter lower cover 4；And shell, gear, preamplifier connector and sensor axis
It holds；The movement of gear is detected by the contactless sensor of two in cover board.
The gear is arranged in the measurement intracavitary in shell, and uses low friction ball bearing or sliding bearing.
The sensor is arranged in transducer room, and is equipped with non magnetic hole between transducer room and measurement chamber and presses partition board.
The preamplifier converts a signal into square-wave signal.
The operation principle of the utility model：
Flowmeter is enclosed in by the gear of two precision-fits in fixed cavity, and fluid to be measured pushes gear rotation when work
Turn, the rotation of gear is detected by the sensor of non-contact device formula.Gap between gear, which is formed, measures cavity space, and per tooth passes through detector
When, detector generates a pulse, and the pulse signal of output converts through instrument volume, pulse and processing.
The advantages of the utility model, is as follows：
1：For various applications, by different gaps, different bearing type and different materials, gear flow meter can
Realize the measurement of different medium.
2:With extensive measurement range and plurality of specifications, can meet the needs of different.
3：Within the specified range, it measures not by viscosity influence.
4：Low pressure drop.
5：High-sensitivity measurement.
6：High operating pressure.
7：Low noise.
8：High-acruracy survey with outstanding repeatable accuracy.
9：Within the scope of wider temperature, output signal is not affected by temperature
10：High-precision can be still kept in the lower limit of micro- low flow velocity measurement range.
In the description of this specification, the description of term " one embodiment " etc. means that the embodiment or example is combined to describe
Particular features, structures, materials, or characteristics be contained at least one embodiment or example of the utility model.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description,
Structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of high precision positive gear meter, it is characterised in that：Including cover board, shell, two mutually matched gears,
Preamplifier connector and sensor bearing；The movement of gear is examined by the contactless sensor of two in cover board
It surveys；Gap between gear, which is formed, measures chamber.
2. high precision positive gear meter according to claim 1, it is characterised in that：The gear uses low friction
Ball bearing or sliding bearing.
3. high precision positive gear meter according to claim 2, it is characterised in that：The sensor setting is passing
In sensor room, and it is equipped with non magnetic hole between transducer room and measurement chamber and presses partition board.
4. high precision positive gear meter according to claim 1, it is characterised in that：The preamplifier will be believed
Number be converted to square-wave signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820317753.9U CN207894466U (en) | 2018-03-08 | 2018-03-08 | A kind of high precision positive gear meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820317753.9U CN207894466U (en) | 2018-03-08 | 2018-03-08 | A kind of high precision positive gear meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207894466U true CN207894466U (en) | 2018-09-21 |
Family
ID=63541198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820317753.9U Active CN207894466U (en) | 2018-03-08 | 2018-03-08 | A kind of high precision positive gear meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207894466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082614A (en) * | 2020-08-27 | 2020-12-15 | 武汉理工大学 | Volume flowmeter auxiliary start system |
-
2018
- 2018-03-08 CN CN201820317753.9U patent/CN207894466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082614A (en) * | 2020-08-27 | 2020-12-15 | 武汉理工大学 | Volume flowmeter auxiliary start system |
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