CN109990851A - A kind of suspended body flowmeter that error is small - Google Patents
A kind of suspended body flowmeter that error is small Download PDFInfo
- Publication number
- CN109990851A CN109990851A CN201711489471.3A CN201711489471A CN109990851A CN 109990851 A CN109990851 A CN 109990851A CN 201711489471 A CN201711489471 A CN 201711489471A CN 109990851 A CN109990851 A CN 109990851A
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- CN
- China
- Prior art keywords
- temperature
- shell
- controller
- flowmeter
- tube body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- G01F1/52—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 by measuring the height of the fluid level due to the lifting power of the fluid flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Flowmeters (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of suspended body flowmeters that error is small, including shell, mounting plate is fixedly connected at the top and bottom of the shell, the positive middle part of shell is equipped with vertical observation window, and the front of shell is pasted with scale strip, the scale strip is located at the right side of observation window, and the outside of the shell is socketed with the temperature regulating device of front openings, and the positive left side of temperature regulating device is equipped with controller.The small suspended body flowmeter of the error, pass through setting temperature sensor, heating rod, controller, blower and ventilation hole, it can use the temperature of temperature sensor senses tube body and environment, to adjust the heating temperature of heating rod, to be heated to tube body, temperature is transferred to shell by tube body, the temperature on the surface of shell is changed, it thereby may be ensured that the operating temperature of flowmeter, reduce influence of the environment temperature to flowmeter, the accuracy of flowmeter is improved, measurement error is reduced, it is more convenient to use.
Description
Technical field
The present invention relates to technical field of measuring equipment, specially a kind of suspended body flowmeter that error is small.
Background technique
Suspended body flowmeter, which draws, to be gone up and down in vertical taper pipe with changes in flow rate with float, and the stream between them is changed
Logical area is come the volume flow instrument measured, also known as spinner flowmeter.The U.S., Japan be commonly referred to as flowmeter with variable area or
Area flowmeter, existing suspended body flowmeter be all before factory by calibration, according to user provide medium temperature,
The density of medium carries out flow scale calibration, gas medium influenced by temperature, pressure it is bigger, so user is needed to mention
For accurate common temperature value, however affected by environment, suspended body flowmeter during the work time around temperature be constantly to send out
Changing, it is difficult to ensure that constant working environment, is affected so as to cause the accuracy of suspended body flowmeter, generate biggish
Error.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of suspended body flowmeter that error is small, existing float-type is solved
Meter measurement is affected by temperature, the big problem of error.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of suspended body flowmeter that error is small, including shell, institute
It states and is fixedly connected to mounting plate at the top and bottom of shell, the positive middle part of shell is equipped with vertical observation window, and
The front of shell is pasted with scale strip, and the scale strip is located at the right side of observation window, and the outside of the shell is socketed with front and opens
Mouthful temperature regulating device, the positive left side of temperature regulating device is equipped with controller, and the front of the controller is from top to bottom successively
Display screen and manipulation plate are installed, the temperature regulating device includes tube body, and the inside of the tube body offers folder dead level, and tube body
Top offers article putting groove, and the inside of the article putting groove is plugged with heating rod, the side of the close inboard wall of tube body of the folder dead level
Face is fixedly connected with temperature sensor.
Preferably, the quantity of the article putting groove is seven, and seven article putting groove annular arrays are at the top of temperature regulating device, seven
Heating rod is plugged in a article putting groove.
Preferably, the folder dead level is opened up far from the side inner wall of tube body tube wall there are two groove, and two grooves difference
Positioned at folder dead level close to the both ends of temperature regulating device, the slot bottom of the groove is equipped with blower, the model DC7515 of the blower.
Preferably, the master chip of the controller is single-chip microcontroller, and the model 89S51 of single-chip microcontroller, in the controller
Embedded with data storage.
Preferably, the output end of the controller is electrically connected with the input terminal of heating rod, the output end of the heating rod with
The input terminal of temperature sensor is electrically connected, and the output end of the temperature sensor is electrically connected with the input terminal of controller, the control
The output end of device processed is electrically connected with the input terminal of blower and display screen respectively, the input of the output end and controller of the manipulation version
End electrical connection.
Preferably, the folder dead level offers the ventilation hole of connection tube body tube wall close to the side inner wall of tube body tube wall.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of suspended body flowmeters that error is small, have following the utility model has the advantages that the error
Small suspended body flowmeter can use temperature sensing by setting temperature sensor, heating rod, controller, blower and ventilation hole
Device incudes the temperature of tube body and environment, so that the heating temperature of heating rod is adjusted, so that tube body is heated, it will by tube body
Temperature is transferred to shell, changes to the temperature on the surface of shell, thereby may be ensured that the operating temperature of flowmeter, reduces environment temperature
The influence to flowmeter is spent, the accuracy of flowmeter is improved, reduces measurement error, it is more convenient to use.
Detailed description of the invention
Fig. 1 is structure of the invention front view;
Fig. 2 bows for temperature regulating device structure of the present invention and cuts open figure;
Fig. 3 is structure of the invention system diagram.
In figure: 1 shell, 2 mounting plates, 3 observation windows, 4 scale strips, 5 temperature regulating devices, 6 controllers, 7 display screens, 8 manipulation plates,
9 tube bodies, 10 folder dead levels, 11 article putting grooves, 12 heating rods, 13 temperature sensors, 14 grooves, 15 blowers, 16 ventilation holes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of suspended body flowmeter that error is small, including shell 1,
The top and bottom of shell 1 are fixedly connected to mounting plate 2, and the positive middle part of shell 1 is equipped with vertical observation window 3, and shell
The front of body 1 is pasted with scale strip 4, and scale strip 4 is located at the right side of observation window 3, and the outside of shell 1 is socketed with the control of front openings
Warm device 5, the positive left side of temperature regulating device 5 are equipped with controller 6, and the master chip of controller 6 is single-chip microcontroller, and the type of single-chip microcontroller
It number is 89S51, controller 6 is embedded with data storage, and the front of controller 6 is sequentially installed with display screen 7 and behaviour from top to bottom
Plate 8 is controlled, temperature regulating device 5 includes tube body 9, and the inside of tube body 9 offers folder dead level 10, presss from both sides one of dead level 10 far from 9 tube wall of tube body
Side inner wall is opened up there are two groove 14, and two grooves 14 are located at folder dead level 10 close to the both ends of temperature regulating device 5, groove 14
Slot bottom blower 15 is installed, the model DC7515 of blower 15, folder dead level 10 is offered close to the side inner wall of 9 tube wall of tube body
It is connected to the ventilation hole 16 of 9 tube wall of tube body, and the top of tube body 9 offers article putting groove 11, the quantity of article putting groove 11 is seven, and seven
A 11 annular array of article putting groove is plugged with heating rod 12 in the top of temperature regulating device 5, seven article putting grooves 11, article putting groove 11
Inside is plugged with heating rod 12, and the one side for pressing from both sides 9 inner wall of close tube body of dead level 11 is fixedly connected with temperature sensor 13, passes through
Temperature sensor 13, heating rod 12, controller 6, blower 15 and ventilation hole 16 are set, can use 13 induction tube of temperature sensor
The temperature of body 9 and environment, so that the heating temperature of heating rod 12 is adjusted, so that tube body 9 is heated, it will be warm by tube body 9
Degree is transferred to shell 1, changes to the temperature on the surface of shell 1, thereby may be ensured that the operating temperature of flowmeter, reduces environment temperature
The influence to flowmeter is spent, the accuracy of flowmeter is improved, reduces measurement error, more convenient to use, the output end of controller 6
It is electrically connected with the input terminal of heating rod 12, the output end of heating rod 12 is electrically connected with the input terminal of temperature sensor 13, and temperature passes
The output end of sensor 13 is electrically connected with the input terminal of controller 5, the output end of controller 6 respectively with blower 15 and display screen 7
The output end of input terminal electrical connection, manipulation version 8 is electrically connected with the input terminal of controller 6.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In conclusion the suspended body flowmeter that the error is small, by setting temperature sensor 13, heating rod 12, controller 6,
Blower 15 and ventilation hole 16 can use the temperature that temperature sensor 13 incudes tube body 9 and environment, to adjust heating rod 12
Temperature is transferred to shell 1 by tube body 9, changed to the temperature on the surface of shell 1 by heating temperature to heat to tube body 9
Become, thereby may be ensured that the operating temperature of flowmeter, reduces influence of the environment temperature to flowmeter, improve the accurate of flowmeter
Property, reduce measurement error, more convenient to use, solving existing suspended body flowmeter measurement is affected by temperature, the big problem of error.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of suspended body flowmeter that error is small, including shell (1), it is characterised in that: the top and bottom of the shell (1) are equal
It is fixedly connected with mounting plate (2), the positive middle part of the shell (1) is equipped with vertical observation window (3), and shell (1) is just
Face is pasted with scale strip (4), and the scale strip (4) is located at the right side of observation window (3), and the outside of the shell (1) is socketed with just
The temperature regulating device (5) of face opening, the positive left side of the temperature regulating device (5) are equipped with controller (6), the controller (6)
Front is sequentially installed with display screen (7) and manipulation plate (8) from top to bottom, and the temperature regulating device (5) includes tube body (9), the pipe
The inside of body (9) offers folder dead level (10), and article putting groove (11) are offered at the top of tube body (9), the article putting groove (11)
Inside is plugged with heating rod (12), and the one side of close tube body (9) inner wall of folder dead level (11) is fixedly connected with temperature biography
Sensor (13).
2. a kind of small suspended body flowmeter of error according to claim 1, it is characterised in that: the number of the article putting groove (11)
Amount is seven, and seven article putting groove (11) annular arrays are inserted in the top of temperature regulating device (5), seven article putting grooves (11)
It is connected to heating rod (12).
3. a kind of small suspended body flowmeter of error according to claim 1, it is characterised in that: the folder dead level (10) is separate
The side inner wall of tube body (9) tube wall is opened up there are two groove (14), and to be located at folder dead level (10) close for two grooves (14)
The slot bottom at the both ends of temperature regulating device (5), the groove (14) is equipped with blower (15), the model of the blower (15)
DC7515。
4. a kind of small suspended body flowmeter of error according to claim 1, it is characterised in that: the master of the controller (6)
Chip is single-chip microcontroller, and the model 89S51 of single-chip microcontroller, the controller (6) are embedded with data storage.
5. a kind of small suspended body flowmeter of error according to claim 1 or 3, it is characterised in that: the controller (6)
Output end is electrically connected with the input terminal of heating rod (12), the output end of the heating rod (12) and the input of temperature sensor (13)
End electrical connection, the output end of the temperature sensor (13) are electrically connected with the input terminal of controller (5), the controller (6)
Output end is electrically connected with the input terminal of blower (15) and display screen (7) respectively, the output end and controller of manipulation version (8)
(6) input terminal electrical connection.
6. a kind of small suspended body flowmeter of error according to claim 1, it is characterised in that: the folder dead level (10) is close
The side inner wall of tube body (9) tube wall offers the ventilation hole (16) of connection tube body (9) tube wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711489471.3A CN109990851A (en) | 2017-12-30 | 2017-12-30 | A kind of suspended body flowmeter that error is small |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711489471.3A CN109990851A (en) | 2017-12-30 | 2017-12-30 | A kind of suspended body flowmeter that error is small |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109990851A true CN109990851A (en) | 2019-07-09 |
Family
ID=67110599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711489471.3A Pending CN109990851A (en) | 2017-12-30 | 2017-12-30 | A kind of suspended body flowmeter that error is small |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109990851A (en) |
-
2017
- 2017-12-30 CN CN201711489471.3A patent/CN109990851A/en active Pending
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Application publication date: 20190709 |