CN201141775Y - Double-display gas roots flowmeter - Google Patents
Double-display gas roots flowmeter Download PDFInfo
- Publication number
- CN201141775Y CN201141775Y CNU2007203029952U CN200720302995U CN201141775Y CN 201141775 Y CN201141775 Y CN 201141775Y CN U2007203029952 U CNU2007203029952 U CN U2007203029952U CN 200720302995 U CN200720302995 U CN 200720302995U CN 201141775 Y CN201141775 Y CN 201141775Y
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- flowmeter
- magnet steel
- mechanical counter
- gas roots
- gas
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Abstract
The utility model relates to a double-meter gas-displaying waist wheel flowmeter for displaying gas metering data with double-meter, which comprises a gas waist wheel flowmeter. Two groups of signal transmission mechanisms are arranged inside the flowmeter, wherein one group is a mechanical counter, the other group is an intelligent temperature and pressure compensation counting display. The double-meter gas-displaying waist wheel flowmeter has the advantage of solving the problem radically that the entire flowmeter generates failed metering once the signal transmission mechanism of the flowmeter is faulted, so as to ensure that another metering display mechanism can run normally in case one signal transmission mechanism in the flowmeter is faulted, thereby ensuring normal gas metering and payment.
Description
Technical field
The utility model relates to two gas roots flowmeters that show that a kind of two table shows the gas dosing data, belongs to gas roots flowmeter and makes the field.
Background technology
The tradition gas roots flowmeter has only a display screen (mechanical counter or temperature and pressure compensation intelligent display screen).Its weak point: just in case the flow meter signal transport sector goes wrong, will cause whole flowmeter metering failure, to gas metering check meter, trade settlement brings great inconvenience.
Summary of the invention
Purpose of design: avoid the weak point in the background technology, design a kind of two gas roots flowmeters that show that can carry out two table demonstration meterings simultaneously to flow.
Design proposal: in order to realize above-mentioned purpose of design.Gas waist wheel (Roots) flowmeter adopts two groups of signal output mechanisms, is major technique characteristics of the present utility model.The purpose of doing like this is: adopting two characteristics that show is that the flowmeter flow shows two display screens (device), one is the mechanical count display, one is intelligent temperature and pressure compensation flow count display, these two kinds of counters can be with counting respectively, show at same flow, when wherein one road transmission mechanism breaks down, another road metering indication mechanism can normally move in the same old way, and in the flow count display breaks down the process of keeping in repair, normal metering, demonstration that can the dependable flow meter; Secondly, the flow between age at failure can convert according to historical meter reading data contrast and compensate in the count display after the maintenance.Its technical scheme: two demonstration gas roots flowmeters, it comprises gas roots flowmeter, is provided with two groups of signal output mechanisms at the inner tool of flowmeter, and one group is mechanical counter, and another group is intelligent temperature and pressure compensation count display.
The utility model is compared with background technology, fundamentally solved just in case the flow meter signal transport sector goes wrong, the defective of whole the flowmeter metering failure that is caused, when having guaranteed that one road transmission mechanism breaks down in the flowmeter, another metering indication mechanism can normally move in the same old way, has guaranteed that normal gas metering is checked meter, trade settlement.
Description of drawings
Fig. 1 two shows in the gas roots flowmeters that two kinds of display screens are installed in the synoptic diagram on the front end end cover.
Fig. 2 is the two synoptic diagram of two kinds of display screen partial installations on front and rear cover in the gas roots flowmeter that show.
Fig. 3 is two structural representations that show gas roots flowmeter.
Embodiment
Two demonstration gas roots flowmeters, it comprises gas roots flowmeter, is provided with two groups of signal output mechanisms at the inner tool of flowmeter, and one group is mechanical counter 2, and another group is intelligent temperature and pressure compensation count display 1.Mechanical counter 2 and intelligent temperature and pressure compensation count display 1 signal transmission mechanism are respectively by rotor 3, magnet steel frame 4, magnet steel 5, magnet steel screen layer 6, magnetic conduction cap 7, mechanical counter input shaft 8, magneto sensor 9 constitutes, rotor 3 drives in the magnet steel frame 4 mounted thereto, magnet steel 5 is positioned at magnet steel frame 4 outer field grooves, magnet steel screen layer 6 is positioned on the magnet steel 5, magnetic conduction cap 7 is positioned at magnet steel frame 4, one end of mechanical counter input shaft 8 is positioned at magnetic conduction cap 7, the periphery that one end of mechanical counter input shaft 8 is boss structure and boss end has groove, and groove is built-in with magnet steel 5.
For the mechanical count display, rotor cycle is rotated and is delivered on the mechanical counter, and the volume number that mechanical counter is discharged according to the flowmeter revolution calculates the number ratio, and the gear ratio in the design gear train shows correct flow.
For the flow count display of liquid crystal display and intelligent temperature and pressure compensation, rotor drives magnet steel frame mounted thereto and rotates, and the magneto sensor induced field that is fixed on magnetic conduction cap inside changes, and signal is delivered on the intelligent central layer, handling, show correct flow by frequency and pulse signal.
The utility model is described in further detail below in conjunction with accompanying drawing.
Two demonstration gas roots flowmeters are by the two paths of signals transmission mechanism, the flow that shows mechanical counter (or little liquid crystal display) and temperature and pressure compensation intelligence central layer respectively, be the equal of the scientific combination body of mechanical type gas roots flowmeter and the intelligent gas roots flowmeter of temperature and pressure compensation in the traditional concept, make that its performance is more perfect, aesthetic in appearance, convenient reading.Two kinds of display screens can be installed in (Fig. 1) on the front end end cover simultaneously, also can machinery and intelligent partial installation on front and rear cover (Fig. 2).When flowmeter when wherein one road transmission mechanism breaks down, another indication mechanism can normally move in the same old way.Flowmeter show in the breakdown maintenance process can the dependable flow meter normal metering, and the flow between age at failure can convert according to historical meter reading data contrast and compensates in the display screen after the maintenance.The magnet steel screen layer that is installed on the magnet steel frame of flowmeter inside is done the magnetic shielding processing, has stopped the signal interference of extraneous high-intensity magnetic field to transmission mechanism.The main building block of two-way transmission mechanism has rotor 3, magnet steel frame 4, magnet steel 5, magnet steel screen layer 6, magnetic conduction cap 7, mechanical counter input shaft 8, magneto sensor 9 (Fig. 3).Mechanical counter transmits signal by the magnetic transmission principle, during the flowmeter running, rotor drives magnet steel frame mounted thereto (end face is installed the ferromagnetism magnet steel) and rotates, because the effect of magnet steel drives the input shaft (end face installation magnet steel) of himself bottom of the mechanical counter that is installed on the end cap and rotates, the cycle of rotor rotates and just is delivered on the exterior mechanical counter like this, the volume number that mechanical counter is discharged according to the flowmeter revolution again calculates number than the gear ratio in the design gear train, shows correct flow.The flow signal of liquid crystal display and intelligent temperature and pressure compensation passes through magnetic induction principle.Rotor rotation drives magnet steel frame mounted thereto (end face is installed the ferromagnetism magnet steel) and rotates, change by the magneto sensor induced field that is fixed on magnetic conduction cap inside, signal is delivered on the intelligent central layer,, shows correct flow handling by frequency and pulse signal.
What need understand is: though the foregoing description is to the utility model detailed explanation of contrasting; but these explanations; just to simple declaration of the present utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection domain of the present utility model.
Claims (6)
1, a kind of two gas roots flowmeter that shows, it comprises gas roots flowmeter, it is characterized in that: be provided with two groups of signal output mechanisms at the inner tool of flowmeter, one group is mechanical counter, and another group is intelligent temperature and pressure compensation count display.
2, two gas roots flowmeter that shows according to claim 1, it is characterized in that: mechanical counter and intelligent temperature and pressure compensation count display signal transmission mechanism are made of rotor, magnet steel frame, magnet steel, magnet steel screen layer, magnetic conduction cap, mechanical counter input shaft, magneto sensor respectively, rotor drives in the magnet steel frame mounted thereto, magnet steel is positioned at the outer field groove of magnet steel frame, the magnet steel screen layer is positioned on the magnet steel, the magnetic conduction cap is positioned at the magnet steel frame, and an end of mechanical counter input shaft is positioned at the magnetic conduction cap.
3, two gas roots flowmeter that shows according to claim 2, it is characterized in that: an end of mechanical counter input shaft is boss structure.
4, two gas roots flowmeter that shows according to claim 3, it is characterized in that: the boss periphery has groove, and groove is built-in with magnet steel.
5, two gas roots flowmeter that shows according to claim 2, it is characterized in that: rotor cycle is rotated and is delivered on the mechanical counter, the volume number that mechanical counter is discharged according to the flowmeter revolution calculates the number ratio, and the gear ratio in the design gear train shows correct flow.
6, two gas roots flowmeter that shows according to claim 2, it is characterized in that: rotor drives magnet steel frame mounted thereto and rotates, the magneto sensor induced field that is fixed on magnetic conduction cap inside changes, signal is delivered on the intelligent central layer, handling, show correct flow by frequency and pulse signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203029952U CN201141775Y (en) | 2007-12-25 | 2007-12-25 | Double-display gas roots flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203029952U CN201141775Y (en) | 2007-12-25 | 2007-12-25 | Double-display gas roots flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201141775Y true CN201141775Y (en) | 2008-10-29 |
Family
ID=40069486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203029952U Expired - Lifetime CN201141775Y (en) | 2007-12-25 | 2007-12-25 | Double-display gas roots flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201141775Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607167A (en) * | 2017-07-05 | 2018-01-19 | 上海埃科燃气测控设备有限公司 | The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation |
| CN109253763A (en) * | 2018-11-21 | 2019-01-22 | 北京市燃气集团有限责任公司 | A kind of anti-theft type turbine flowmeter |
| CN109253770A (en) * | 2018-11-21 | 2019-01-22 | 北京市燃气集团有限责任公司 | A kind of anti-theft type rotz flowmeter |
| CN109668600A (en) * | 2019-01-30 | 2019-04-23 | 深圳市普颂电子有限公司 | A kind of wide-range compares spinner flowmeter |
-
2007
- 2007-12-25 CN CNU2007203029952U patent/CN201141775Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607167A (en) * | 2017-07-05 | 2018-01-19 | 上海埃科燃气测控设备有限公司 | The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation |
| CN109253763A (en) * | 2018-11-21 | 2019-01-22 | 北京市燃气集团有限责任公司 | A kind of anti-theft type turbine flowmeter |
| CN109253770A (en) * | 2018-11-21 | 2019-01-22 | 北京市燃气集团有限责任公司 | A kind of anti-theft type rotz flowmeter |
| CN109668600A (en) * | 2019-01-30 | 2019-04-23 | 深圳市普颂电子有限公司 | A kind of wide-range compares spinner flowmeter |
| CN109668600B (en) * | 2019-01-30 | 2020-03-24 | 深圳市普颂电子有限公司 | Wide-range-ratio rotor flow meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081029 |