CN208860413U - A kind of magnetic flow meters - Google Patents
A kind of magnetic flow meters Download PDFInfo
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- CN208860413U CN208860413U CN201821603803.6U CN201821603803U CN208860413U CN 208860413 U CN208860413 U CN 208860413U CN 201821603803 U CN201821603803 U CN 201821603803U CN 208860413 U CN208860413 U CN 208860413U
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- flow meters
- magnetic flow
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Abstract
The utility model discloses a kind of magnetic flow meters, including ontology, it is characterized in that: the body interior front end is fixedly connected with centrum, the body interior is fixedly connected with fore-stock and after-poppet, front slide axle sleeve is fixedly connected in the fore-stock, one end of rear sliding shaft sleeve is fixedly connected in the after-poppet, static magnet is fixedly connected between the after-poppet and the rear sliding shaft sleeve, annulus Fixing shrink ring is on circular shaft, annulus outer ring ring set fixes moving magnet, the front end fitting of the circular shaft is fixedly connected with the center of pushing plate across the front slide axle sleeve, the rear end fitting of the circular shaft is across the static magnet and the rear sliding shaft sleeve, supporting protection body is fixedly connected on the upside of the ontology.
Description
Technical field
The utility model relates to a kind of flowmeter, especially a kind of magnetic flow meters.
Background technique
The flowmeter that present flow measuring and controlling uses, measurement gas is mainly shafting flowmeter, and measurement liquid is mainly ultrasound
Wave and electromagnetic flowmeter can measure the flowmeter of gas and liquid simultaneously, be substantially differential pressure flowmeter, differential pressure flowmeter
Measurement range very little, and the pressure loss is larger, at runtime between consume a large amount of energy, be unfavorable for energy conservation.Flux of vortex street
Meter is also capable of measuring gas and fluid flow, but vibration is very big on the influence of the measurement accuracy of vortex-shedding meter, does not have both at home and abroad now
A kind of vortex-shedding meter of real antivibration.In conclusion now flow circle do not have it is a kind of can have measurement liquid, gas, and
Crushing is small, and measurement range is wide, and to insensitive flowmeter is vibrated, this is in place of the deficiencies in the prior art.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of magnetic flow meters, be conducive to measure liquid or gas
Flow velocity.
The utility model adopts the following technical solution realizes purpose of utility model:
A kind of magnetic flow meters, including ontology (1), it is characterized in that: the ontology (1) interior forward end is fixedly connected with centrum
(6), it is fixedly connected with fore-stock (7) and after-poppet (11) inside the ontology (1), is fixedly connected in the fore-stock (7) advancing slip
Moving axis set (8), is fixedly connected with one end of rear sliding shaft sleeve (12) in the after-poppet, the after-poppet (11) and it is described after sliding
It is fixedly connected between axle sleeve (12) static magnet (10), annulus (5b) Fixing shrink ring is on circular shaft (5a), annulus (5b) outer ring
Ring set is fixed moving magnet (9), and the front end of the circular shaft (5a), which is bonded, is fixedly connected with pushing plate across the front slide axle sleeve (8)
(5) center, the circular shaft (5a) rear end fitting across the static magnet (10) and it is described afterwards sliding shaft sleeve (12), described
It being fixedly connected supporting protection body (15) on the upside of body (1), plate rear portion is fixedly connected with pressure sensor (2) on the upside of the ontology (1),
Protection sleeve pipe (3) is secured across plate center on the upside of the ontology (1), and linear Hall biography is provided in the protection sleeve pipe (3)
Sensor (16), PT100 thermal resistance (4) are secured across plate front on the upside of the ontology (1).
It is further limited as to the technical program, the pressure sensor (2), the protection sleeve pipe (3) and described
PT100 thermal resistance (4) setting is fixedly connected with watchcase on the upside of the supporting protection body (15) in the supporting protection body (15)
(13), it is fixedly connected control panel (18) in the watchcase (13), is fixedly connected with liquid crystal display on front side of the control panel (18)
(14), it is fixedly connected single-chip microcontroller (19) on rear side of the control panel (18), battery (20) is installed in the watchcase (13).
It is further limited as to the technical program, the front slide axle sleeve (8) and described rear sliding shaft sleeve (12) material
Material is polytetrafluoroethylene (PTFE), and the battery (20) is lithium metal battery.
It is further limited as to the technical program, pushing plate (5) front end and the centrum (6) most narrow place are flat
Together.
It is further limited as to the technical program, protection sleeve pipe (3) lower end is located at the front slide axle sleeve (8)
Rear side upper end.
It is further limited as to the technical program, the moving magnet (9) and the static magnet (10) N are extremely opposite.
It is further limited as to the technical program, the pressure sensor (2), the linear hall sensor (16)
And the PT100 thermal resistance (4) is all connected with the single-chip microcontroller (19), the single-chip microcontroller (19) is also connected with key circuit and liquid crystal
Show device (14).
Compared with prior art, it the advantages and positive effects of the utility model are as follows: ontology is installed in pipeline, will push
Plate face fluid flow direction installs ontology, and when fluid flows through ontology, fluid forces pushing plate is mobile to fluid flowing opposite direction,
Pushing plate drives circular shaft to move along fore-stock, front slide axle sleeve, rear sliding shaft sleeve and after-poppet to fluid flowing opposite direction, circular shaft
Drive moving magnet mobile to fluid flowing opposite direction, moving magnet distance between static magnet, moving magnet and static magnet becomes smaller, the two
Between magnetic induction intensity become larger, linear hall sensor experiences change of magnetic field strength, and magnetic field variation signal is sent to monolithic
Machine, single-chip microcontroller calculate the mobile distance of moving magnet, to calculate the fluid for flowing through magnetic flow meters according to the variation in magnetic field
Every terms of information is transmitted on liquid crystal display by volume, when for measurement gas, the volume of gas by pressure and temperature effect compared with
Greatly, the pressure sensor and PT100 thermal resistance installed on the shell of ontology, the pressure signal and temperature signal that will test are sent
To single-chip microcontroller operation, pressure, temperature-compensating are carried out to the volume of gas, single-chip microcontroller calculates the gas volume under standard condition,
Every terms of information is transmitted on liquid crystal display.The utility model is simple, practical, at low cost with structure, can use extensively
The detection of various gases or liquid in instrument industry.
Detailed description of the invention
Fig. 1 is the schematic perspective view one of the utility model.
Fig. 2 is the stereochemical structure cut-away diagram one of the utility model.
Fig. 3 is the sectional perspective structural schematic diagram one of the utility model.
Fig. 4 is the sectional perspective structural schematic diagram two of the utility model.
Fig. 5 is the sectional perspective structural schematic diagram three of the utility model.
Fig. 6 is the cross-sectional view of the utility model.
Fig. 7 is the left view of the utility model.
Fig. 8 is the monolithic mainboard CPU module schematic diagram of the utility model.
Fig. 9 is the pressure sensor module schematic diagram of the utility model.
Figure 10 is the linear hall sensor module principle figure of the utility model.
Figure 11 is the key circuit module principle figure of the utility model.
In figure: 1, ontology, 2, pressure sensor, 3, protection sleeve pipe, 4, PT100 thermal resistance, 5, pushing plate, 5a, circular shaft,
5b, annulus, 6, centrum, 7, fore-stock, 8, front slide axle sleeve, 9, moving magnet, 10, static magnet, 11, after-poppet, 12, rear sliding axle
Set, 13, watchcase, 14, liquid crystal display, 15, supporting protection body, 16, linear hall sensor, 18, control panel, 19, single-chip microcontroller,
20, battery.
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the utility model is described in detail, it is to be understood that this
The protection scope of utility model is not limited by the specific implementation.
As shown in Figure 1-Figure 11, the utility model includes ontology 1, and 1 interior forward end of ontology is fixedly connected with centrum 6, institute
It states and is fixedly connected with fore-stock 7 and after-poppet 11 inside ontology 1, front slide axle sleeve 8 is fixedly connected in the fore-stock 7, after described
It is fixedly connected with one end of rear sliding shaft sleeve 12 in bracket, is fixedly connected between the after-poppet 11 and the rear sliding shaft sleeve 12 quiet
Magnet 10, annulus 5b Fixing shrink ring is on circular shaft 5a, the fixed moving magnet 9 of annulus 5b outer ring ring set, before the circular shaft 5a
End fitting is fixedly connected with the center of pushing plate 5 across the front slide axle sleeve 8, and the rear end of the circular shaft 5a is bonded across described quiet
Magnet 10 and it is described after sliding shaft sleeve 12, be fixedly connected with supporting protection body 15, the 1 upside plate of ontology on the upside of the ontology 1
Rear portion is fixedly connected with pressure sensor 2, and protection sleeve pipe 3 is secured across the 1 upside plate center of ontology, the protection sleeve pipe 3
The interior promising linear hall sensor 16 of setting, PT100 thermal resistance 4 are secured across the 1 upside plate front of ontology.
The pressure sensor 2, the protection sleeve pipe 3 and the PT100 thermal resistance 4 are arranged in the supporting protection body 15
It is interior, it is fixedly connected with watchcase 13 on the upside of the supporting protection body 15, control panel 18, the control panel are fixedly connected in the watchcase 13
18 front sides are fixedly connected with liquid crystal display 14, and single-chip microcontroller 19, installation in the watchcase 13 are fixedly connected on rear side of the control panel 18
There is battery 20.
The front slide axle sleeve 8 and rear 12 material of sliding shaft sleeve are polytetrafluoroethylene (PTFE) and have self-lubricating property, institute
Stating battery 20 is lithium metal battery.
5 front end of pushing plate is concordant with the most narrow place of the centrum 6.
3 lower end of protection sleeve pipe is located at the rear side upper end of the front slide axle sleeve 8.
The pressure sensor 2, the linear hall sensor 16 and the PT100 thermal resistance 4 are all connected with the monolithic
Machine 19, the single-chip microcontroller 19 are also connected with key circuit and liquid crystal display 14.
Linear hall sensor 16 the model HG106A, the 2 model HK3023 of pressure sensor.
Battery 20 is the power supply of single-chip microcontroller 19.
Pin 1, pin 2, pin 60 and the pin 10 of the single-chip microcontroller 19 connect key circuit, and the single-chip microcontroller 19 draws
Foot 3 and pin 4 connect the PT100 thermal resistance 4, and the pin 5 of the single-chip microcontroller 19 connects the pressure sensor 2, the list
The pin 6 of piece machine 19 connects the linear hall sensor 16, the pin 12-39 of the single-chip microcontroller 19, pin 44, pin 45 and
The pin 48-55 connection liquid crystal display 14, the pin 64 of the single-chip microcontroller 19 connect the battery 20.
The workflow of the utility model are as follows:
(1) ontology 1 is installed in pipeline, 5 face liquid flow direction of pushing plate or gas flow direction is installed
Ontology 1, liquid liquid or gas push pushing plate 5 and liquid or the equidirectional shifting of gas when perhaps gas passes through ontology 1
Dynamic, pushing plate 5 drives circular shaft 5a to move along fore-stock 7, front slide axle sleeve 8, rear sliding shaft sleeve 12 and after-poppet 11, circular shaft 5a band
Dynamic moving magnet 9 is mobile, and the distance between static magnet 10, moving magnet 9 and static magnet 10 of moving magnet 9 becomes smaller, magnetic strength between the two
Intensity is answered to become larger, linear hall sensor 16 experiences change of magnetic field strength, and magnetic field variation signal is sent to single-chip microcontroller 19, monolithic
Machine 19 calculates the mobile distance of moving magnet 9, to calculate the liquid flow for flowing through magnetic flow meters according to the variation in magnetic field
Amount, the information of calculating is transmitted on liquid crystal display 14；
(2) if gas flows through ontology 1, the volume of gas is larger by pressure and temperature effect, on the shell of ontology 1
The pressure sensor 2 and PT100 thermal resistance 4 of installation, the pressure signal and temperature signal that will test are sent to single-chip microcontroller operation, right
The volume of gas carries out pressure, temperature-compensating, single-chip microcontroller 19 linear hall sensor 16,2 and of pressure sensor based on the received
The information that PT100 thermal resistance 4 acquires calculates the gas flow under standard condition, and the information of calculating is transmitted to liquid crystal display
On 14.
The step (1) calculates the process of fluid flow are as follows:
For liquid, pass through the available flow rate of liquid V of calibration experiment data1With linear hall sensor measurement
Magnetic field strength H1Changing rule:
K1- by the calculated constant of experimental data
Thus fluid flow Q is calculated1:
D-ontology pipeline diameter
S-ontology pipeline cross-sectional area
The magnetic field strength H that linear hall sensor 16 will measure1It is sent to single-chip microcontroller 19, single-chip microcontroller 19 is according to formula
(2) liquid fluid flow is calculated.
The step (2) calculates gas flow process are as follows:
For gas, flow velocity V2With the magnetic field strength H of linear hall sensor measurement2Changing rule:
K2By the calculated constant of experimental data under-standard state；
Thus gas flow q under standard state is calculated:
Empirical equation is compensated according to gas flow:
q1- gas actual volume flow
Q-gas standard volume flow
p1- gas actual pressure, kpa
P-gas standard pressure, kpa, the gas pressure at 20 DEG C of temperature；
T1- gas actual temperature, DEG C
T-gas standard temperature, 20 DEG C
Gas actual pressure p1It is measured and is obtained by pressure sensor 2, gas actual temperature T1It is obtained by the measurement of PT100 thermal resistance 4
?.
Obtain ontology pipeline actual flow q1:
The magnetic field strength H that linear hall sensor 16 will measure2It is sent to single-chip microcontroller 19, pressure sensor 2 and PT100
Thermal resistance 4, the pressure signal p that will test1With temperature signal T1It is sent to single-chip microcontroller 19, single-chip microcontroller 19 calculates outlet according to formula 7
Body flow.
Disclosed above is only a specific embodiment of the utility model, and still, the utility model is not limited to this,
The changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.
Claims (7)
1. a kind of magnetic flow meters, including ontology (1), it is characterized in that: the ontology (1) interior forward end is fixedly connected with centrum (6),
It is fixedly connected with fore-stock (7) and after-poppet (11) inside the ontology (1), is fixedly connected with advancing slip moving axis in the fore-stock (7)
It covers (8), one end of rear sliding shaft sleeve (12), the after-poppet (11) and the rear sliding shaft sleeve is fixedly connected in the after-poppet
(12) it is fixedly connected between static magnet (10), annulus (5b) Fixing shrink ring is on circular shaft (5a), annulus (5b) outer ring ring set
Fixed moving magnet (9), the front end of the circular shaft (5a), which is bonded, is fixedly connected with pushing plate (5) across the front slide axle sleeve (8)
Center, the rear end fitting of the circular shaft (5a) is across the static magnet (10) and the rear sliding shaft sleeve (12), the ontology (1)
Upside is fixedly connected supporting protection body (15), and plate rear portion is fixedly connected pressure sensor (2) on the upside of the ontology (1), is protected
Casing (3) is secured across plate center on the upside of the ontology (1), is provided with linear hall sensor in the protection sleeve pipe (3)
(16), PT100 thermal resistance (4) is secured across plate front on the upside of the ontology (1).
2. magnetic flow meters according to claim 1, it is characterized in that: the pressure sensor (2), the protection sleeve pipe
(3) and the PT100 thermal resistance (4) setting is in the supporting protection body (15), fixed on the upside of the supporting protection body (15)
It connects watchcase (13), is fixedly connected control panel (18) in the watchcase (13), be fixedly connected with liquid crystal on front side of the control panel (18)
Display (14), control panel (18) rear side are fixedly connected single-chip microcontroller (19), are equipped with battery (20) in the watchcase (13).
3. magnetic flow meters according to claim 2, it is characterized in that: the front slide axle sleeve (8) and the rear sliding axle
Set (12) material is polytetrafluoroethylene (PTFE), and the battery (20) is lithium metal battery.
4. magnetic flow meters according to claim 1, it is characterized in that: the pushing plate (5) front end and the centrum (6)
Most narrow place is concordant.
5. magnetic flow meters according to claim 1, it is characterized in that: the protection sleeve pipe (3) lower end is positioned at described advancing slip
The rear side upper end of moving axis set (8).
6. magnetic flow meters according to claim 1, it is characterized in that: the moving magnet (9) and the static magnet (10) pole N
Relatively.
7. magnetic flow meters according to claim 1, it is characterized in that: the pressure sensor (2), the linear Hall pass
Sensor (16) and the PT100 thermal resistance (4) are all connected with single-chip microcontroller (19), and the single-chip microcontroller (19) is also connected with key circuit and liquid
Crystal display (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821603803.6U CN208860413U (en) | 2018-09-29 | 2018-09-29 | A kind of magnetic flow meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821603803.6U CN208860413U (en) | 2018-09-29 | 2018-09-29 | A kind of magnetic flow meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208860413U true CN208860413U (en) | 2019-05-14 |
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ID=66419964
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821603803.6U Active CN208860413U (en) | 2018-09-29 | 2018-09-29 | A kind of magnetic flow meters |
Country Status (1)
| Country | Link |
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| CN (1) | CN208860413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297548A (en) * | 2018-09-29 | 2019-02-01 | 山东科尔自动化仪表股份有限公司 | A kind of magnetic flow meters and measurement method |
-
2018
- 2018-09-29 CN CN201821603803.6U patent/CN208860413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297548A (en) * | 2018-09-29 | 2019-02-01 | 山东科尔自动化仪表股份有限公司 | A kind of magnetic flow meters and measurement method |
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