CN107367304A - Judge the method and system in flowmeter rotor rotation revolution and direction - Google Patents
Judge the method and system in flowmeter rotor rotation revolution and direction Download PDFInfo
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- CN107367304A CN107367304A CN201710496314.9A CN201710496314A CN107367304A CN 107367304 A CN107367304 A CN 107367304A CN 201710496314 A CN201710496314 A CN 201710496314A CN 107367304 A CN107367304 A CN 107367304A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
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Abstract
The present invention relates to a kind of method and system for judging flowmeter rotor rotation revolution and direction, methods described includes:The setting unit sheet metal on the rotor discs of the rotor sample circuit of flow instrument, sampling probe is arranged above in rotor discs;Sheet metal rotates with rotor discs, and sampling probe detects to obtain an output pulse signal, and recording impulse edge detection zone bit information;The pulse edge detection zone bit information of the detection record register record sampling probe of sampling probe;The detection record number of statistic sampling probe;Judge the direction of rotation of rotor discs.The present invention on rotor discs by setting sheet metal, being arranged above sampling probe, when rotor discs drive sheet metal to rotate, when sheet metal is located at the sample area of sampling probe, sampling probe produces sampling pulse, by the sampled signal sequential for analyzing three and the collection of above sampling probe, rotation revolution and the direction of rotor can be accurately judged to, and does debounce processing.
Description
Technical field
The present invention relates to flowmeter technology field, more particularly to a kind of side for judging flowmeter rotor rotation revolution and direction
Method and system.
Background technology
Flowmeter be it is a kind of observe fluid flow instrument, be mainly used in industrial and agricultural production, national defense construction, scientific research,
Foreign trade etc. is related to the every field of people's lives, in petroleum industry, chemical industry, power industry, steel and iron industry, food
Industry, textile industry etc., flowmeter all plays great effect, and flow measuring unit includes spinner flowmeter, is to pass through measurement
The rotatable parts being located in direct current pipeline calculate the device of flow, are industry and a kind of the most frequently used flowmeter in laboratory, and it has
There is the features such as simple in construction, directly perceived, the pressure loss is small, easy to maintenance, spinner flowmeter has rotor up time in use
Pin rotates and rotate counterclockwise two states, and the situation that rotor is shaken back and forth occurs under special circumstances.This phenomenon occurs
When rotor sampled signal will be caused to fluctuate, cause to count inaccurate.
Therefore, prior art needs to improve.
The content of the invention
One side according to embodiments of the present invention, there is provided a kind of judgement flowmeter rotor rotation revolution and direction side
Method, including:
The setting unit sheet metal on the rotor discs of the rotor sample circuit of flow instrument, sheet metal using rotor discs as
The center of circle is rotated with rotor discs, is arranged above sampling probe in rotor discs, the sampling probe is designated as:1st adopts
Sample is popped one's head in, the 2nd sampling probe ... ..., the n-th sampling probe;
When sheet metal rotates with rotor discs, sampling probe detects to obtain an output pulse signal, and recording impulse edge
Zone bit information is detected, the pulse signal of the sampling probe detection produces when entering metal area from non-metallic areas for rotor discs
Raw trailing edge or rising edge produce the pulse signal of rising edge or trailing edge, sampling probe when entering non-metallic areas to metal area
Pulse along detection flag bit be designated as:Flag1, flag2 ... ..., flagn represent the 1st sampling probe respectively, and the 2nd sampling is visited
Head ... ..., the output pulse of the n-th sampling probe is along flag bit;
The pulse edge detection zone bit information of the detection record register record sampling probe of sampling probe, register record
Information is:Reg1, reg2 ... ... regj, the 1st, 2 are represented respectively ... ..., detect that sheet metal is examined by sampling probe j times
The detection flag bit of sampling probe is corresponded to when surveying region, 1,2 ... ..., n represents that sheet metal passes through the 1st sampling probe, the 2nd sampling
Probe ... ..., the wherein detection zone of the n-th sampling probe, j=n+1;
The detection record number of statistic sampling probe, the detection number of the sampling probe are recorded as numx, and numx is represented
The detection number of xth sampling probe in register;
Judge the direction of rotation of rotor discs.
In another embodiment that the method in revolution and direction is rotated based on above-mentioned judgement flowmeter rotor, the sheet metal
When being rotated with rotor discs, the pulse signal of sampling probe detection sheet metal output, recording pulse signal flag bit includes:
The pulse of all sampling probes is reset along detection flag bit flag1, flag2 ... ..., flagn, while will be all
The detection record register of sampling probe is reset, and sampling probe detection record number is reset;
Rotor discs rotate, pulse signal when sampling probe detection sheet metal rotates;
Sampling probe gathers the beginning pulse edge of sheet metal output signal, and sheet metal output signal is detected in sampling probe
Start pulse along rear, the pulse of corresponding sampling probe puts 1, flagx along detection flag bit flagx and represents x-th sampling probe
Pulse is along sampling flag bit, x 1,2 ... ..., any one in n;
If the pulse of sampling probe has put 1 along detection flag bit flagx, the sampling output letter of sampling probe is detected again
Punching feel the pulse along rear, the pulse of sampling probe is reset along detection flag bit flagx, illustrates that the sampling probe completes sheet metal arteries and veins
Signal detection is rushed, the detection that the pulse of sampling probe is sent to sampling probe along detection flag bit is recorded into register.
In another embodiment that the method in revolution and direction is rotated based on above-mentioned judgement flowmeter rotor, the sampling is visited
The pulse of the detection record register record sampling probe of head includes along detection zone bit information:
The detection record register for detecting sampling probe receives the pulse edge detection zone bit information of sampling probe;
The pulse of xth sampling probe is recorded as by the detection record register of sampling probe along detection zone bit information
regx;
When jth time is detected sheet metal by xth sampling probe detection zone by the detection record register of sampling probe
The detection zone bit information of corresponding xth sampling probe is recorded as regxj.
In another embodiment that the method in revolution and direction is rotated based on above-mentioned judgement flowmeter rotor, the statistics is adopted
The detection record number of sample probe includes:
After the detection record register of sampling probe receives the pulse zone bit information of xth sampling probe, record should
The detection record number of sampling probe is designated as numx=numx+1;
It is identical twice in the record of Look-ahead detection record register successively if record frequency n umx is both greater than 1
Record;
If in n+1 continuous records, (n+1)th record is identical with the record information of the 1st record, then it represents that turns
Sub- disk has turned around;
It is identical if in two or more record informations between (n+1)th record and the 1st record, illustrate that rotor is justified
Disk is shaken, and invalid record is recorded as between identical recordings, and sampling probe is detected in record frequency n umx and got rid of from first
Secondary identical recordings re-start detection to the record number of current record;
Rotor discs rotate a circle, and record a metrical pulse, while first using current record as next computing
Record, the detection record frequency n umx of sampling probe is designated as first record, detected next time.
It is described to judge to turn in another embodiment that the method in revolution and direction is rotated based on above-mentioned judgement flowmeter rotor
The spinning solution of sub- disk is:
Compare putting in order for preceding n record, judge the direction of rotation of rotor discs, if ascending order arrangement then to be suitable
Hour hands rotate, otherwise rotate counterclockwise.
In another embodiment that the method in revolution and direction is rotated based on above-mentioned judgement flowmeter rotor, the record
In number numx, when x is same sampling probe, its record information is identical.
In another embodiment that the method in revolution and direction is rotated based on above-mentioned judgement flowmeter rotor, the sampling is visited
Head pulse along detection flag bit flagx detect sampled output signal pulse along when change, it is described to be changed into
Flagx=0 is changed into flagx=1 or flagx=1 is changed into flagx=0.
Other side based on the embodiment of the present invention, disclose it is a kind of judge flowmeter rotor rotation revolution and direction be
System, including:
Rotor harvester unit, the rotor harvester are used for the rotor revolution number and rotor for gathering flowmeter rotor
Direction of rotation;
Register cell, the register cell are used for the pulse zone bit information for receiving the collection of rotor harvester, and
Revolution and the direction of rotation of rotor are judged according to pulse zone bit information.
In another embodiment that the system in revolution and direction is rotated based on above-mentioned judgement flowmeter rotor, the rotor is adopted
Acquisition means include:
The rotor discs being connected with flow instrument, the rotating speed of the rotor discs is relevant with the flow velocity of the flow instrument,
The liquid flowing of flow instrument drives the rotation of the rotor discs;
It is arranged on the sheet metal of rotor discs upper surface, the subregion of the sheet metal covering rotor discs, the gold
Belong to piece for the sector structure or rectangle structure using the center of circle of rotor discs as the center of circle;
The sampling probe being vertically set on above rotor discs, the sampling probe is into circle distribution, and its center of circle and institute
The center of circle for stating rotor discs overlaps;
The sheet metal rotates with the rotation of rotor discs, and the sampling probe is fixed;
When the sheet metal on the rotor discs is by below sampling probe, sampling probe detects to obtain an output arteries and veins
Signal is rushed, trailing edge or rising edge pulse are produced when entering metal area from the non-metallic areas of rotor discs, is entered from metal area non-
Rising edge or trailing edge pulse are produced during metal area.
In another embodiment that the system in revolution and direction is rotated based on above-mentioned judgement flowmeter rotor, the sampling is visited
The quantity of head is at least 3.
Compared with prior art, the present invention includes advantages below:
A kind of method and system for judging flowmeter rotor rotation revolution and direction proposed by the present invention, by justifying in rotor
Sheet metal is set on disk, sampling probe is arranged above in rotor discs, when rotor discs rotate, drives sheet metal to turn
Dynamic, when sheet metal is located at the sample area of sampling probe, sampling probe produces sampling pulse, is adopted by analyzing three and the above
The sampled signal sequential of sample probe collection, can be accurately judged to rotation revolution and the direction of rotor, and do debounce processing, this
The structure of invention is simple, and gathered data is accurate, and the rotation revolution of rotor discs is accurate according to calculating, debounce processing methodological science.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used in technology description to do one simply to introduce.
Fig. 1 is the structure of one embodiment that a kind of judgement flowmeter rotor of the present invention rotates the system in revolution and direction
Schematic diagram.
Fig. 2 is the flow of one embodiment that a kind of judgement flowmeter rotor of the present invention rotates the method in revolution and direction
Figure.
Fig. 3 is the stream for another embodiment that a kind of judgement flowmeter rotor of the present invention rotates the method in revolution and direction
Cheng Tu.
Fig. 4 is the stream for another embodiment that a kind of judgement flowmeter rotor of the present invention rotates the method in revolution and direction
Cheng Tu.
Fig. 5 is the flow for another embodiment that a kind of judgement flowmeter rotor of the present invention rotates the method in revolution and direction
Figure.
In figure:1 rotor harvester unit, 11 rotor discs, 12 sheet metals, 13 sampling probes, 2 register cells.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to what the present invention protected
Scope.
Fig. 1 is the structure of one embodiment that a kind of judgement flowmeter rotor of the present invention rotates the system in revolution and direction
Schematic diagram, as shown in figure 1, the system for judging flowmeter rotor rotation revolution and direction includes:
Rotor harvester unit 1, the rotor harvester 1 are used for the rotor revolution number and rotor for gathering flowmeter rotor
Direction of rotation;
Register cell 2, the register cell 2 are used for the pulse zone bit information for receiving the collection of rotor harvester 1,
And revolution and the direction of rotation of rotor are judged according to pulse zone bit information.
The rotor harvester 1 includes:
The rotor discs 11 being connected with flow instrument, the flow velocity of the rotating speed and the flow instrument of the rotor discs 11 have
Close, the liquid flowing of flow instrument drives the rotation of the rotor discs 11;
The sheet metal 12 of the upper surface of rotor discs 11 is arranged on, the sheet metal 12 covers the part area of rotor discs 11
Domain, the sheet metal 12 are the sector structure or rectangle structure using the center of circle of rotor discs 11 as the center of circle;
The sampling probe 13 of the top of rotor discs 11 is vertically set on, the sampling probe 13 is into circle distribution, and it is justified
The heart overlaps with the center of circle of the rotor discs 11;
The sheet metal 12 rotates with the rotation of rotor discs 11, and the sampling probe 13 is fixed;
When the sheet metal 12 on the rotor discs 11 is by 13 lower section of sampling probe, the detection of sampling probe 13 obtains
One output pulse signal, trailing edge or rising edge pulse are produced when entering metal area from the non-metallic areas of rotor discs 11, from
Metal area produces rising edge or trailing edge pulse when entering non-metallic areas.
The quantity of the sampling probe 13 is at least 3.
Fig. 2 is the flow of one embodiment that a kind of judgement flowmeter rotor of the present invention rotates the method in revolution and direction
Figure, as shown in Fig. 2 the method for judging flowmeter rotor rotation revolution and direction includes:
10, the setting unit sheet metal 12 on the rotor discs 11 of the rotor sample circuit of flow instrument, sheet metal 12 with
Rotor discs 11 are that the center of circle is rotated with rotor discs 11, and sampling probe 13 is arranged above in rotor discs 11, described to adopt
Sample probe 13 is designated as:1st sampling probe, the 2nd sampling probe ... ..., the n-th sampling probe;
20, when sheet metal 12 rotates with rotor discs 11, the detection of sampling probe 13 obtains an output pulse signal, and
For recording impulse along detection zone bit information, the pulse signal that the sampling probe 13 detects is rotor discs 11 from non-metallic areas
The pulse of rising edge or trailing edge is produced when entering non-metallic areas to metal area into generation trailing edge during metal area or rising edge
Signal, the pulse of sampling probe 13 are designated as along detection flag bit:Flag1, flag2 ... ..., flagn, the 1st sampling are represented respectively
Probe, the 2nd sampling probe ... ..., the output pulse of the n-th sampling probe is along flag bit;
30, the pulse of the detection record register record sampling probe 13 of sampling probe 13 is posted along detection zone bit information
Storage record information is:Reg1, reg2 ... ... regj, the 1st, 2 are represented respectively ... ..., detect that sheet metal passes through sampling j times
The detection flag bit of sampling probe 13 is corresponded to during detection zone of popping one's head in, 1,2 ... ..., n represents that sheet metal is visited by the 1st sampling
Head, the 2nd sampling probe ... ..., the wherein detection zone of the n-th sampling probe, j=n+1;
40, the detection record number of statistic sampling probe 13, the detection number of the sampling probe 13 is recorded as numx,
Numx represents the detection number of xth sampling probe in register;
50, judge the direction of rotation of rotor discs 11.
Fig. 3 is the stream for another embodiment that a kind of judgement flowmeter rotor of the present invention rotates the method in revolution and direction
Cheng Tu, as shown in figure 3, when the sheet metal rotates with rotor discs, the pulse signal of sampling probe detection sheet metal output,
Recording pulse signal flag bit includes:
101, the pulse of all sampling probes 13 is reset along detection flag bit flag1, flag2 ... ..., flagn, simultaneously
The detection record register of all sampling probes 13 is reset, the detection record number of sampling probe 13 is reset;
102, rotor discs 11 rotate, and sampling probe 13 detects pulse signal when sheet metal 12 rotates;
103, sampling probe 13 gathers the beginning pulse edge of the output signal of sheet metal 12, and gold is detected in sampling probe 13
The category output signal of piece 12 starts pulse along rear, and the pulse of corresponding sampling probe 13 puts 1, flagx tables along detection flag bit flagx
Show the pulse of x-th sampling probe along sampling flag bit, x 1,2 ... ..., any one in n;
104, if the pulse of sampling probe 13 has put 1 along detection flag bit flagx, sampling probe 13 is detected again
Sampled output signal pulse is reset along rear, by the pulse of sampling probe 13 along detection flag bit flagx, illustrates the sampling probe
13 complete sheet metal pulse signal detection, and the pulse of sampling probe 13 is sent to the inspection of sampling probe 13 along detection flag bit
Survey record register.
Fig. 4 is the stream for another embodiment that a kind of judgement flowmeter rotor of the present invention rotates the method in revolution and direction
Cheng Tu, as shown in figure 4, the pulse edge detection flag bit letter of the detection record register record sampling probe of the sampling probe
Breath includes:
201, the detection record register of detection sampling probe 13 receives the pulse edge detection flag bit letter of sampling probe 13
Breath;
202, the detection record register of sampling probe 13 records the pulse of xth sampling probe along detection zone bit information
For regx;
203, jth time is detected that sheet metal 12 is examined by xth sampling probe by the detection record register of sampling probe 13
The detection zone bit information that xth sampling probe is corresponded to when surveying region is recorded as regxj.
Fig. 5 is the stream for another embodiment that a kind of judgement flowmeter rotor of the present invention rotates the method in revolution and direction
Cheng Tu, as shown in figure 5, the detection record number of statistic sampling probe includes:
301, after the detection record register of sampling probe 13 receives the pulse zone bit information of xth sampling probe,
The detection record number for recording the sampling probe 13 is designated as numx=numx+1;
302, if record frequency n umx is both greater than 1, successively in the record of Look-ahead detection record register twice
Identical records;
303, if in n+1 continuous records, (n+1)th record is identical with the record information of the 1st record, then table
Show that rotor discs 11 have turned around;
304, it is identical if in two or more record informations between (n+1)th record and the 1st record, illustrate to turn
Sub- disk 11 is shaken, and invalid record is recorded as between identical recordings, and sampling probe 13 is detected in record frequency n umx and removed
Fall the record number from first time identical recordings to current record, re-start detection;
305, rotor discs 11 rotate a circle, and record a metrical pulse, while using current record as next computing
First record, the detection record frequency n umx of sampling probe is designated as first record, detected next time.
It is described judge rotor discs 11 spinning solution be:
Compare putting in order for preceding n record, judge the direction of rotation of rotor discs 11, be then up time if ascending order arrangement
Pin rotates, otherwise rotate counterclockwise.
In the record frequency n umx, when x is same sampling probe, its record information is identical.
The pulse of the sampling probe 13 along detection flag bit flagx detect sampled output signal pulse along when occur
Transformation, it is described to be changed into that flagx=0 is changed into flagx=1 or flagx=1 is changed into flagx=0.
A kind of method and system for judging flowmeter rotor rotation revolution and direction provided by the present invention are carried out above
It is discussed in detail, specific case used herein is set forth to the principle and embodiment of the present invention, above example
Explanation be only intended to help understand the present invention method and its core concept;Meanwhile for the general technology people of this area
Member, according to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, this theory
Bright book content should not be construed as limiting the invention.
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, are not limited to this hair
It is bright, although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, its according to
The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is equal
Replace, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in this
Within the protection domain of invention.
Claims (10)
- A kind of 1. method for judging flowmeter rotor rotation revolution and direction, it is characterised in that including:The setting unit sheet metal on the rotor discs of the rotor sample circuit of flow instrument, sheet metal is using rotor discs as the center of circle Rotated with rotor discs, be arranged above sampling probe in rotor discs, the sampling probe is designated as:1st sampling probe, 2nd sampling probe ... ..., the n-th sampling probe;When sheet metal rotates with rotor discs, sampling probe detects to obtain an output pulse signal, and the detection of recording impulse edge Zone bit information, the pulse signal of the sampling probe detection produce decline when entering metal area from non-metallic areas for rotor discs Edge or rising edge produce the pulse signal of rising edge or trailing edge, the pulse edge of sampling probe when entering non-metallic areas to metal area Detection flag bit is designated as:Flag1, flag2 ... ..., flagn represent the 1st sampling probe respectively, the 2nd sampling probe ... ..., the The output pulse of n sampling probes is along flag bit;The pulse edge detection zone bit information of the detection record register record sampling probe of sampling probe, register record information For:Reg1, reg2 ... ... regj, the 1st, 2 are represented respectively ... ..., detect that sheet metal passes through sampling probe detection zone j times When correspond to the detection flag bit of sampling probe, 1,2 ... ..., n represents that sheet metal passes through the 1st sampling probe, and the 2nd sampling is visited Head ... ..., the wherein detection zone of the n-th sampling probe, j=n+1;The detection record number of statistic sampling probe, the detection number of the sampling probe are recorded as numx, and numx represents deposit The detection number of xth sampling probe in device;Judge the direction of rotation of rotor discs.
- 2. the method as claimed in claim 1 for judging flowmeter rotor rotation revolution and direction, it is characterised in that the metal When piece rotates with rotor discs, the pulse signal of sampling probe detection sheet metal output, recording pulse signal flag bit includes:The pulses of all sampling probes is reset along detection flag bit flag1, flag2 ... ..., flagn, while by all samplings The detection record register of probe is reset, and sampling probe detection record number is reset;Rotor discs rotate, pulse signal when sampling probe detection sheet metal rotates;Sampling probe gathers the beginning pulse edge of sheet metal output signal, detects that sheet metal output signal starts in sampling probe Along rear, the pulse that 1, flagx represents x-th of sampling probe is put in the pulse of corresponding sampling probe along detection flag bit flagx for pulse Along sampling flag bit, x 1,2 ... ..., any one in n;If the pulse of sampling probe has put 1 along detection flag bit flagx, the sampled output signal arteries and veins of sampling probe is detected again Punching is reset along rear, by the pulse of sampling probe along detection flag bit flagx, illustrates that the sampling probe completes sheet metal pulse signal Detection, the detection that the pulse of sampling probe is sent to sampling probe along detection flag bit is recorded into register.
- 3. the method as claimed in claim 1 for judging flowmeter rotor rotation revolution and direction, it is characterised in that the sampling The pulse of the detection record register record sampling probe of probe includes along detection zone bit information:The detection record register for detecting sampling probe receives the pulse edge detection zone bit information of sampling probe;The pulse of xth sampling probe is recorded as regx by the detection record register of sampling probe along detection zone bit information;Jth time is detected sheet metal to pass through during xth sampling probe detection zone and corresponded to by the detection record register of sampling probe The detection zone bit information of xth sampling probe is recorded as regxj.
- 4. the method as claimed in claim 1 for judging flowmeter rotor rotation revolution and direction, it is characterised in that the statistics The detection record number of sampling probe includes:After the detection record register of sampling probe receives the pulse zone bit information of xth sampling probe, the sampling is recorded The detection record number of probe is designated as numx=numx+1;If record frequency n umx is both greater than 1, the identical twice in the record of Look-ahead detection record register is remembered successively Record;If in n+1 continuous records, (n+1)th record is identical with the record information of the 1st record, then it represents that rotor discs Turn around;It is identical if in two or more record informations between (n+1)th record and the 1st record, illustrate that rotor discs are trembled It is dynamic, invalid record is recorded as between identical recordings, sampling probe is detected in record frequency n umx and got rid of from first time phase With the record number that recorded current record, detection is re-started;Rotor discs rotate a circle, and record a metrical pulse, while first record using current record as next computing, The detection record frequency n umx of sampling probe is designated as first record, detected next time.
- 5. the method as claimed in claim 1 for judging flowmeter rotor rotation revolution and direction, it is characterised in that the judgement The spinning solution of rotor discs is:Compare putting in order for preceding n record, judge the direction of rotation of rotor discs, be then clockwise if ascending order arrangement Rotate, otherwise rotate counterclockwise.
- 6. the method for judging flowmeter rotor rotation revolution and direction as described in any one of claim 1 to 5, its feature exist In in the record frequency n umx, when x is same sampling probe, its record information is identical.
- 7. the method for judging flowmeter rotor rotation revolution and direction as described in any one of claim 1 to 5, its feature exist In, the sampling probe pulse along detection flag bit flagx detect sampled output signal pulse along when change, institute State and be changed into that flagx=0 is changed into flagx=1 or flagx=1 is changed into flagx=0.
- A kind of 8. system for judging flowmeter rotor rotation revolution and direction, it is characterised in that including:Rotor harvester unit, the rotor harvester are used for rotor revolution number and the rotation of rotor for gathering flowmeter rotor Direction;Register cell, pulse zone bit information of the register cell for receiving the collection of rotor harvester, and according to Pulse zone bit information judges revolution and the direction of rotation of rotor.
- 9. the system as claimed in claim 8 for judging flowmeter rotor rotation revolution and direction, it is characterised in that the rotor Harvester includes:The rotor discs being connected with flow instrument, the rotating speed of the rotor discs is relevant with the flow velocity of the flow instrument, flow The liquid flowing of instrument drives the rotation of the rotor discs;It is arranged on the sheet metal of rotor discs upper surface, the subregion of the sheet metal covering rotor discs, the sheet metal For the sector structure or rectangle structure using the center of circle of rotor discs as the center of circle;The sampling probe being vertically set on above rotor discs, the sampling probe is into circle distribution, and its center of circle and described turn The center of circle of sub- disk overlaps;The sheet metal rotates with the rotation of rotor discs, and the sampling probe is fixed;When the sheet metal on the rotor discs is by below sampling probe, sampling probe detects to obtain an output pulse letter Number, trailing edge or rising edge pulse are produced when entering metal area from the non-metallic areas of rotor discs, is entered from metal area nonmetallic Rising edge or trailing edge pulse are produced during area.
- 10. the system as claimed in claim 9 for judging flowmeter rotor rotation revolution and direction, it is characterised in that described to adopt The quantity of sample probe is at least 3.
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06190304A (en) * | 1992-10-09 | 1994-07-12 | E I Du Pont De Nemours & Co | Centrifugal separating rotor identification system and centrifugal separating rotor |
WO1995024613A1 (en) * | 1994-03-07 | 1995-09-14 | Asm Gmbh | Angle of rotation sensor |
JP2694003B2 (en) * | 1989-03-20 | 1997-12-24 | トキコ株式会社 | Positive flow meter |
CN102918400A (en) * | 2010-01-21 | 2013-02-06 | 传感频谱有限责任公司 | Method for detecting the rotation and direction of rotation of a rotor |
CN102981016A (en) * | 2012-12-14 | 2013-03-20 | 上海出入境检验检疫局机电产品检测技术中心 | Processing system and method for detecting rotating speed of rotating object |
CN103792026A (en) * | 2012-11-03 | 2014-05-14 | 西安道恒交通设备科技有限公司 | Simple heat flow detection apparatus |
CN104422384A (en) * | 2013-08-31 | 2015-03-18 | 上海体育学院 | Device and method for detecting rotation state |
CN105004387A (en) * | 2014-04-15 | 2015-10-28 | 瑞萨电子株式会社 | Rotation number measurement device, rotation number measurement method, and flow rate measurement device |
-
2017
- 2017-06-26 CN CN201710496314.9A patent/CN107367304A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2694003B2 (en) * | 1989-03-20 | 1997-12-24 | トキコ株式会社 | Positive flow meter |
JPH06190304A (en) * | 1992-10-09 | 1994-07-12 | E I Du Pont De Nemours & Co | Centrifugal separating rotor identification system and centrifugal separating rotor |
WO1995024613A1 (en) * | 1994-03-07 | 1995-09-14 | Asm Gmbh | Angle of rotation sensor |
CN102918400A (en) * | 2010-01-21 | 2013-02-06 | 传感频谱有限责任公司 | Method for detecting the rotation and direction of rotation of a rotor |
CN103792026A (en) * | 2012-11-03 | 2014-05-14 | 西安道恒交通设备科技有限公司 | Simple heat flow detection apparatus |
CN102981016A (en) * | 2012-12-14 | 2013-03-20 | 上海出入境检验检疫局机电产品检测技术中心 | Processing system and method for detecting rotating speed of rotating object |
CN104422384A (en) * | 2013-08-31 | 2015-03-18 | 上海体育学院 | Device and method for detecting rotation state |
CN105004387A (en) * | 2014-04-15 | 2015-10-28 | 瑞萨电子株式会社 | Rotation number measurement device, rotation number measurement method, and flow rate measurement device |
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