CN204165625U - A kind of coding-belt tank gage - Google Patents
A kind of coding-belt tank gage Download PDFInfo
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- CN204165625U CN204165625U CN201420607176.9U CN201420607176U CN204165625U CN 204165625 U CN204165625 U CN 204165625U CN 201420607176 U CN201420607176 U CN 201420607176U CN 204165625 U CN204165625 U CN 204165625U
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- liquid level
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- measuring channel
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- 239000007788 liquid Substances 0.000 claims abstract description 83
- 238000005259 measurement Methods 0.000 claims abstract description 33
- 230000005291 magnetic effect Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000000696 magnetic material Substances 0.000 claims abstract description 8
- 239000007769 metal material Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 7
- 239000012780 transparent material Substances 0.000 claims description 5
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Level Indicators Using A Float (AREA)
Abstract
The utility model discloses a kind of coding-belt tank gage, it comprise for liquid level in inspection instrument liquid level float and measure the measurement mechanism of liquid level float movement; Float is equipped with magnetic metal material; Measurement mechanism comprises next-door neighbour's liquid level float and installs and contain the measuring channel of filled with fluid; Measuring channel inside is provided with measurement float, and measurement float is equipped with magnetic material; Measure on float and be provided with a coding-belt, the other end of coding-belt is fixed on the constant force disc spring of measuring channel top installation; The measuring channel of constant force disc spring side is provided with a transparent form; Contiguous form place is provided with one for reading the coding recognizer that coding-belt is encoded.During measurement, by the magnetic effect of the magnetic metal material on liquid level float with the hard magnetic material measured on float, make measurement float can keep consistent with liquid level at any time, thus to solve in measuring process liquid level float and measure float and move inconsistent problem, improve the measuring accuracy of liquid level.
Description
Technical field
The utility model relates to device for measuring volumetric flow of fluid, is specifically related to a kind of coding-belt tank gage.
Background technology
Current Chinese invention patent ZL 200410026069.8 and the tank gage shown by ZL 200410026155.9 are primarily of the float be placed in container and the measurement mechanism composition measuring float movement, magnetic material on float, inner core is fixed with along container height direction in container, the relative inner core location of float, at least inner core sealed bottom, height mark information is designed with along container height in inner core, the reading device of height mark information is had in inner core, signal output interface is had in reading device, when float changes up and down with liquid level, float drives reading device to move up and down, reading device reads container height label information constantly, and height mark information is converted to electric signal is outwards exported by signal output interface.
There is following defect in above-mentioned two kinds of tank gages: the signal of the reading device of the tank gage shown in patent 200410026069.8 outputs to beyond this device by circuit, this tank gage does not consider that reading device is when moving up and down with liquid level, output line road also can duration time short, the change of such circuit weight all can cause the height of float relative liquid surface to change, and makes final reading occur error.
The signal of the reading device of the tank gage shown in patent 200410026155.9 is the light-receiving conversion equipment be sent in the form of light by optical transmitting set outside this device, optical transmitting set needs to send stronger light signal could transmit certain distance, and the limited battery capacity of reading device, make battery altering comparatively frequent, affect work.
Utility model content
For above-mentioned deficiency of the prior art, the coding-belt tank gage that the utility model provides can ensure the long-distance transmissions of the liquid level data measured while improving liquid level measurement precision.
In order to reach above-mentioned aspect object, the technical solution adopted in the utility model is:
On the one hand, provide a kind of coding-belt tank gage, it comprise for liquid level in inspection instrument liquid level float and measure the measurement mechanism of liquid level float movement; Liquid level float is equipped with magnetic metal material; Measurement mechanism comprises next-door neighbour's liquid level float and installs and contain the measuring channel of filled with fluid; Measuring channel inside is provided with measurement float, and measurement float is equipped with magnetic material; Measure on float and be provided with a coding-belt, the other end of coding-belt is fixed on the constant force disc spring of measuring channel top installation; The measuring channel of constant force disc spring side is provided with a transparent form; Contiguous form place is provided with one for reading the coding recognizer that coding-belt is encoded.
On the basis of the first possible implementation above-mentioned, the liquid level float of the implementation that the second is possible can be arranged in container; The material of container is nonmagnetic substance; The side-walls of adjacent vessel is installed with a vertical guide rail, and liquid level float is arranged on guide rail actively.
On the basis of the first possible implementation above-mentioned, the coding-belt tank gage of the third possible implementation can also comprise a liquid level pipeline be communicated with container bottom; The material of container can not be nonmagnetic substance, and the material of liquid level pipeline is nonmagnetic substance; Liquid level float is placed in liquid level pipeline.
The beneficial effects of the utility model are: measure float in measuring channel, directly be not connected with container, only by the magnetic effect of the magnetic metal material on liquid level float with the hard magnetic material measured on float, make measurement float can keep consistent with liquid level at any time, thus to solve in measuring process liquid level float and measure float and move inconsistent problem, improve the measuring accuracy of liquid level.
Because coding recognizer is the outside being arranged on measuring channel, its charging or to change battery all very convenient, thus ensure that the long-distance transmissions of the encoded translated digital signal being.
Except constant force spring, do not have mechanical realization in coding tank gage, so be not easy that there was a mechanical failure, and measuring channel is not directly connected with container, is convenient to keep in repair.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of coding-belt tank gage;
Fig. 2 is the structural representation of another embodiment of coding-belt tank gage;
Fig. 3 is the enlarged drawing of coding-belt.
Wherein, 1, container; 2, liquid level pipeline; 3, measuring channel; 4, constant force disc spring; 5, coding recognizer; 6, coding-belt; 7, liquid level float; 8, float is measured; 9, digital scale; 10, guide rail; 11, decimetre coding unit; 12, centimetre coding unit; 13, millimeter coding unit.
Embodiment
Below embodiment of the present utility model is described; so that those skilled in the art understand the utility model; but should be clear; the utility model is not limited to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present utility model determined, these changes are apparent, and all innovation and creation utilizing the utility model to conceive are all at the row of protection in appended claim.
The technical scheme of the utility model coding-belt tank gage embodiment comprise for liquid level in inspection instrument 1 liquid level float 7 and measure the measurement mechanism of liquid level float 7 movement; The magnetic metal material that Curie temperature is higher liquid level float 7 is equipped with; Wherein magnetic metal material preferably adopts pure iron or silicon steel.
Measurement mechanism comprises next-door neighbour's liquid level float 7 and installs and contain the measuring channel 3 of filled with fluid, and the liquid of measuring channel 3 inside is preferably water; Measuring channel 3 inside is provided with measures float 8, and measurement float 8 is equipped with magnetic material.
As shown in Figure 2, in an embodiment of the present utility model, liquid level float 7 can be arranged in container 1, and the material of container is nonmagnetic substance; Owing to needing the volume of the container 1 of measured liquid level general all larger, liquid level float 7 substantially all can arbitrarily carry out floating in container 1, will cause measuring float 8 like this and be difficult to flutter and grasp the floating of liquid level float 7; So generally can in the fixed installation of container 1 adjacent vessel side-walls a vertical guide rail 10, liquid level float 7 is arranged on guide rail 10 actively.
Be placed in measuring channel 3 owing to measuring float 8, directly be not connected with container 1, only by the magnetic effect of the magnetic metal material on liquid level float 7 with the hard magnetic material measured on float 3, make measurement float 8 can keep consistent with liquid level at any time, thus to solve in measuring process liquid level float 7 and measure float 8 and move inconsistent problem, provide the measuring accuracy of liquid level.
The liquid level pipeline 2 of the application can adopt nonmagnetic metal or glass material to make, and when the inner splendid attire high-temp liquid of container 1, superscribes insulation material, to avoid the loss of container 1 internal temperature with regard to needing at the outside surface of liquid level pipeline 2.
As shown in Figure 1, liquid level float 7 can also be arranged on outside container 1, and now the material of container can not be nonmagnetic substance, so just need to arrange one with the liquid level pipeline 2 be communicated with bottom container 1, liquid level float 7 is placed in liquid level pipeline 2.The upper and lower side of the preferred liquid level pipeline 2 of this programme is all communicated with container 1.
Measurement float 3 is provided with a coding-belt 6, and the other end of coding-belt 6 is fixed on the constant force disc spring 4 of measuring channel 3 top installation; Constant force spring herein also can adopt other can release the coding-belt 6 of the winding of its inside when stressed, after stressed cancellation again can automatic drawing back coding-belt 6 device substitute.
The measuring channel 3 of constant force disc spring 4 side is provided with a transparent form; Contiguous form place is provided with one for reading the coding recognizer 5 of coding on coding-belt 6.
Recognizer 5 of wherein encoding can adopt photoelectricity recognizer, also can adopt shooting recognizer.In order to ensure the accuracy of level gauging, during design, guarantee that the weight of coding-belt 6 is equal with its buoyancy; The weight measuring float 8 equals the pulling force sum of its buoyancy and constant force disc spring 4.
In an embodiment of the present utility model, measuring channel 3 can adopt transparent material to make, and now, the transparent window that the measuring channel 3 of constant force disc spring 4 side is arranged can be exactly measuring channel itself; When adopting transparent material to make, on the sidewall of measuring channel 3 or the vertical digital scale 9 of its inner fixed installation one, and just a root pointer can be installed to digital scale 9 side at measurement float 8; After such setting, staff just can the on-the-spot liquid level read in container 1, does not need to understand to the device place of received code recognizer 5.
But measuring channel 3 also can adopt other materials except transparent material to make, but now just must arrange a transparent form, so that the reading of coding; Meanwhile, just necessity of digital scale 9 and pointer is not installed in measuring channel 3.
In an embodiment of the present utility model, when the diameter of liquid level pipeline 2 and its inside liquid level float 7 size relatively time, liquid level float 7 can move substantially on the same vertical plane of liquid level pipeline 2 inside.But when the diameter of liquid level pipeline 2 be greater than liquid level float 7 size more time, liquid level float 7 just may float in liquid level pipeline 2 inside, measurement float is flutterred catch liquid level float 7 and affect measuring accuracy, be provided with a guide rail 10 at liquid level pipeline 2 internal fixtion, liquid level float 2 is arranged on guide rail 10 actively for this reason.
In an embodiment of the present utility model, when the diameter of measuring channel 3 and its inside measurement float 8 size relatively time, measure float 8 and substantially can move on the same vertical plane of measuring channel 3 inside.But need in measuring channel 3 inside the assemblies such as constant force disc spring 4 and coding-belt 6 are installed, this must cause the diameter of measuring channel 3 more much larger than measurement float 8 size of its inside, such measurement float 8 just may float in measuring channel 3 inside, and affect measuring accuracy, at measuring channel 3 internal fixtion, a guide rail 10 is installed for this reason, measures float 8 and be arranged on actively on guide rail 10.
Owing to not having other mechanical realizations in above-mentioned coding-belt tank gage except constant force spring 4, so be not easy that there was a mechanical failure, and measuring channel 3 is not directly connected with container 1, is convenient to maintenance.
As shown in Figure 3, in an embodiment of the present utility model, the coding-belt 6 in measuring channel 3 is provided with three coding units, is respectively millimeter coding unit 13, centimetre coding unit 12 and decimetre coding unit 11.The Gray code that coding unit all adopts 5 coding modules to be formed; In millimeter coding unit 13, in every centimetre length, 20 5 figure place Gray codes are evenly set, 20 5 figure place Gray codes are evenly set in centimetre coding unit 12 every decimeter of length, 20 5 figure place Gray codes are evenly set in decimetre coding unit 11 every meter of length.
Wherein, the width of coding module is set to 0.3mm-0.5mm, and the width of each Gray code is set to 1.5mm-2.5mm.
Due to coding-belt 6 employing is Gray code, the recognition between code transition be there will not be and misread; Coding in millimeter coding unit 13, centimetre coding unit 12 and decimetre coding unit 11 is all the tens digit adopting five-digit number coding to represent 0 ~ 9, when the width of five figure Gray code is 1.5mm, the angle permissible variation Φ of scanning encoding is ± 18.4 °, when the width of five figure Gray code is 2.5mm, the angle permissible variation Φ of scanning encoding is ± 11.3 °.Find out thus, the width of Gray code is less, and the angle permissible variation Φ of scanning encoding is larger.Therefore, when on measurement float, 8 times movements may cause coding-belt to rock, coding recognizer 5 but still accurately can distinguish coding, can not cause misreading.
In sum, when the liquid level in container 1 changes, liquid level float 7 drives measurement float 8 to move by magnetic thereupon, and is consistent with liquid level.When measuring channel 3 adopts transparent material to make, measure the pointed digital scale 9 on float 8, liquid level can be shown on the spot, facilitate the recognition of staff.When coding recognizer 5 reads the coding measured on float 8, because it is arranged on outside measuring channel 3, connect power supply or change battery all more convenient, can guarantee to pass to tank gage outside for digital signal by circuit by encoded translated, thus liquid level data long-distance transmissions can be realized.
Although describe in detail embodiment of the present utility model by reference to the accompanying drawings, should not be construed as the restriction of the protection domain to this patent.In the scope described by claims, the various amendment that those skilled in the art can make without creative work and distortion still belong to the protection domain of this patent.
Claims (10)
1. a coding-belt tank gage, comprises the liquid level float for liquid level in inspection instrument and the measurement mechanism measuring the movement of liquid level float; It is characterized in that: described liquid level float is equipped with magnetic metal material; Described measurement mechanism comprises the described liquid level float of next-door neighbour and installs and contain the measuring channel of filled with fluid; Be provided with measurement float in described measuring channel, and described measurement float is equipped with magnetic material; Described measurement float is provided with a coding-belt, the other end of described coding-belt is fixed on the constant force disc spring of described measuring channel top installation; The sidewall of the described measuring channel of described constant force disc spring side is provided with a transparent form; Contiguous described form place is provided with one for reading the coding recognizer that described coding-belt is encoded.
2. coding-belt tank gage according to claim 1, is characterized in that: described liquid level float is arranged in described container; The material of container is nonmagnetic substance; The side-walls of contiguous described container is installed with a vertical guide rail, and described liquid level float is arranged on described guide rail actively.
3. coding-belt tank gage according to claim 1, is characterized in that: also comprise a liquid level pipeline be communicated with described container bottom; The material of liquid level pipeline is nonmagnetic substance; Described liquid level float is placed in described liquid level pipeline.
4. coding-belt tank gage according to claim 3, is characterized in that: described liquid level pipeline internal fixtion is provided with a guide rail, and described liquid level float is arranged on described guide rail actively.
5., according to the arbitrary described coding-belt tank gage of claim 1-4, it is characterized in that: described measuring channel internal fixtion is provided with a guide rail, described measurement float is arranged on described guide rail actively.
6. coding-belt tank gage according to claim 5, is characterized in that: the weight of described coding-belt is equal with its buoyancy; The weight of described measurement float equals the pulling force sum of its buoyancy and described constant force disc spring.
7. coding-belt tank gage according to claim 5, is characterized in that: described measuring channel adopts transparent material to make, and on the sidewall of described measuring channel or its inside is installed with a vertical digital scale; Described measurement float is just provided with a pointer to described digital scale side.
8. the coding-belt tank gage according to claim 6 or 7, is characterized in that: described coding recognizer is photoelectricity recognizer or shooting recognizer.
9. coding-belt tank gage according to claim 8, is characterized in that: the coding-belt in described measuring channel is provided with three coding units, is respectively a millimeter coding unit, centimetre coding unit and decimetre coding unit; The Gray code that each coding unit all adopts 5 coding modules to be formed; In millimeter coding unit, in every centimetre length, 20 5 figure place Gray codes are evenly set, 20 5 figure place Gray codes are evenly set in centimetre coding unit every decimeter length, 20 5 figure place Gray codes are evenly set in decimetre coding unit every meter of length.
10. coding-belt tank gage according to claim 9, it is characterized in that: the width of described coding module is set to 0.3mm-0.5mm, the width of each Gray code is set to 1.5mm-2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607176.9U CN204165625U (en) | 2014-10-21 | 2014-10-21 | A kind of coding-belt tank gage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607176.9U CN204165625U (en) | 2014-10-21 | 2014-10-21 | A kind of coding-belt tank gage |
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| CN204165625U true CN204165625U (en) | 2015-02-18 |
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| CN201420607176.9U Expired - Fee Related CN204165625U (en) | 2014-10-21 | 2014-10-21 | A kind of coding-belt tank gage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765738A (en) * | 2017-11-28 | 2018-03-06 | 钦州学院 | Volume and the adjustable automatic liquid adding device of flow |
| CN113916317A (en) * | 2021-10-20 | 2022-01-11 | 西南石油大学 | Constant-pressure gas volume measuring device |
| CN115431842A (en) * | 2022-10-24 | 2022-12-06 | 迈莎锐汽车(浙江)有限公司 | Automobile seat buffer device |
-
2014
- 2014-10-21 CN CN201420607176.9U patent/CN204165625U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765738A (en) * | 2017-11-28 | 2018-03-06 | 钦州学院 | Volume and the adjustable automatic liquid adding device of flow |
| CN107765738B (en) * | 2017-11-28 | 2023-10-31 | 北部湾大学 | Volume and flow adjustable automatic liquid feeder |
| CN113916317A (en) * | 2021-10-20 | 2022-01-11 | 西南石油大学 | Constant-pressure gas volume measuring device |
| CN113916317B (en) * | 2021-10-20 | 2024-05-24 | 西南石油大学 | Constant-pressure gas volume measuring device |
| CN115431842A (en) * | 2022-10-24 | 2022-12-06 | 迈莎锐汽车(浙江)有限公司 | Automobile seat buffer device |
| CN115431842B (en) * | 2022-10-24 | 2024-04-16 | 迈莎锐汽车(浙江)有限公司 | Automobile seat buffer device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 |