CN203323840U - Field adjusting device for thermal flowmeter - Google Patents
Field adjusting device for thermal flowmeter Download PDFInfo
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- CN203323840U CN203323840U CN201320405637XU CN201320405637U CN203323840U CN 203323840 U CN203323840 U CN 203323840U CN 201320405637X U CN201320405637X U CN 201320405637XU CN 201320405637 U CN201320405637 U CN 201320405637U CN 203323840 U CN203323840 U CN 203323840U
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- pipeline
- flowmeter
- measured flux
- valve
- input end
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000004907 flux Effects 0.000 claims description 27
- 238000011065 in-situ storage Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 238000012797 qualification Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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Abstract
The utility model discloses a field adjusting device for a thermal flowmeter, and belongs to hydraulic machinery engineering. The field adjusting device for the thermal flowmeter comprises a water tank (1) with a water flow input end (11) and a water flow output end (12), a measured flowmeter (8) connected with the water flow input end (11) through a first pipeline (21) and a circulating pump (5) connected with the water flow output end (12) through a second pipeline (22), and further comprises a floater flow indicator (3) connected with the circulating pump (5) through a third pipeline (23) and a high-precision digital display flowmeter (4) connected with the measured flowmeter (8) through a fourth pipeline (24), wherein the floater flow indicator (3) and the high-precision digital display flowmeter (4) are connected through a fifth pipeline (25), an emptying valve (9) is installed on the first pipeline (21), and an adjustment valve (6) is installed on the third pipeline (23). The field adjusting device for the thermal flowmeter is simple in structure, low in cost, convenient to use, strong in universality, high in safety, and capable of accurately conducting field adjusting on the thermal flowmeter.
Description
Technical field
The utility model belongs to the water conservancy machinery engineering, a kind of heat-conducted flowmeter in-situ setting device specifically, comprise the water tank that is provided with current input end and current output terminal, the measured flux meter be connected with described current input end by the first pipeline, the ebullator be connected with described current output terminal by the second pipeline.
Background technology
Heat-conducted flowmeter is being dispatched from the factory when adjusting or being adjusted in the metering unit of adjusting that qualification is arranged, and prior art is adjusted with a kind of bulky, expensive flow checking table.But in practical work process, the liquid that actual field is used not may be larger with the technical parameter difference of the liquid of the use of adjusting, at this moment just do not need the metering unit of adjusting that heat-conducted flowmeter is delivered to qualification to carry out verification, only need to carry out scene to heat-conducted flowmeter and adjust and get final product.The heat-conducted flowmeter difficulty comparatively yet prior art is adjusted at the scene, the scene not only complex operation of adjusting, and easily cause that the qualification result of heat-conducted flowmeter is inaccurate or mistake is whole, thus can cause unit exception or have an accident.
Summary of the invention
The purpose of this utility model is to provide a kind of heat-conducted flowmeter in-situ setting device, and it is simple in structure, cost is lower, easy to use, and highly versatile is not only safe higher, and can accurately to heat-conducted flowmeter, carry out scene and adjust.
To achieve these goals, the technical solution of the utility model is: heat-conducted flowmeter in-situ setting device, comprise the water tank that is provided with current input end and current output terminal, the measured flux meter be connected with described current input end by the first pipeline, the ebullator be connected with described current output terminal by the second pipeline, it is characterized in that: also comprise the float flow indicator be connected with ebullator by the 3rd pipeline, the high-precision digital-display flowmeter be connected with the measured flux meter by the 4th pipeline, between described float flow indicator and high-precision digital-display flowmeter, by the 5th pipeline, be connected, on described the first pipeline, atmospheric valve is installed, on described the 3rd pipeline, variable valve is installed.
In technique scheme, ebullator provides the liquid medium of stability of flow to pipeline, float flow indicator, high-precision digital-display flowmeter are indicated flow speed value and the flow value of coarse adjustment and fine tuning to the personnel of adjusting, the staff regulates by adjusting variable valve the rate-of flow that flows through the measured flux meter, and atmospheric valve is used for the air in discharge line.
The utility model is simple in structure, cost is lower, easy to use, highly versatile, not only safe higher, and can accurately to heat-conducted flowmeter, carry out scene and adjust.
Also comprise surplus valve, an end of described surplus valve is connected with the current input end of water tank, and the other end of surplus valve is arranged on the 3rd pipeline.
In technique scheme, surplus valve can play the level pressure overflow, voltage stabilizing, the effect of system unloaded and safeguard protection.
Described measured flux is in respect of two, and two measured flux meters are cascaded.
To sum up, the utility model adopts flowmeter relative method and ready-made volume of a container relative method, utilize float-type to show that flowmeter carries out coarse adjustment, high-precision digital indication flow meter carries out the device that fine tuning is adjusted to heat-conducted flowmeter in-situ, have volume urine in carrying, high, the measured flux meter of cheap, highly versatile, the security performance advantage such as adjust accurately.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1-water tank in figure, 11-current input end, 12-current output terminal, 21-the first pipeline, 22-the second pipeline, 23-the 3rd pipeline, 24-the 4th pipeline, 25-the 5th pipeline, 3-float flow indicator, 4-high-precision digital-display flowmeter, the 5-ebullator, 6-variable valve, 7-surplus valve, 8-measured flux meter, the 9-atmospheric valve.
Embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not form to restriction of the present utility model, only for example.Simultaneously, by explanation, make advantage of the present utility model, make the utility model become more clear and easily understand.
Consult accompanying drawing known: heat-conducted flowmeter in-situ setting device, comprise the water tank 1 that is provided with current input end 11 and current output terminal 12, the measured flux meter 8 be connected with described current input end 11 by the first pipeline 21, the ebullator 5 be connected with described current output terminal 12 by the second pipeline 22, it is characterized in that: also comprise the float flow indicator 3 be connected with ebullator 5 by the 3rd pipeline 23, the high-precision digital-display flowmeter 4 be connected with measured flux meter 8 by the 4th pipeline 24, between described float flow indicator 3 and high-precision digital-display flowmeter 4, by the 5th pipeline 25, be connected, on described the first pipeline 21, atmospheric valve 9 is installed, on described the 3rd pipeline 23, variable valve 6 is installed.
In technique scheme, ebullator 5 provides the liquid medium of stability of flow to pipeline, float flow indicator 3, high-precision digital-display flowmeter 4 are indicated flow velocity and the flow value of coarse adjustment and fine tuning to the personnel of adjusting, the staff regulates by adjusting variable valve the rate-of flow that flows through the measured flux meter, and atmospheric valve is used for the air in discharge line.
Also comprise surplus valve 7, an end of described surplus valve 7 is connected with the current input end 11 of water tank 1, and the other end of surplus valve 7 is arranged on the 3rd pipeline 23.
Surplus valve can play the level pressure overflow, voltage stabilizing, the effect of system unloaded and safeguard protection.
Described measured flux meter 8 has two, and two measured flux meters 8 are cascaded.
In practical work process, the utility model also comprises power distribution equipment and gets source block, power distribution equipment provides power supply to supply with to ebullator 5, high-precision digital-display flowmeter 4, measured flux meter 8, during actual installation, measured flux meter 8 is mounted in to be got on source block, power distribution equipment and get source block with 8 of measured flux meter and be prior art.
Principle of work of the present utility model is:
1., first measured flux meter 8 is contained in and gets on source block, standard-sized sheet variable valve 6, then by atmospheric valve 9 to the interior filling liquid medium of water tank 1.
2., power on to high-precision digital-display flowmeter 4, measured flux meter 8, after it is stable, according to adjusting, require in setting valve (flow velocity or flow value) input measured flux meter 8, ON cycle pump 5 circulates liquid medium in pipeline.
3., adjust variable valve 6, by coarse adjustment indication and the 4 fine tunings indications of high-precision digital-display flowmeter of float flow indicator 3, regulate rate-of flow in the range ability of measured flux meter 8, check the measuring accuracy of measured flux meter 8.
4., adjust variable valve 6, coarse adjustment indication and the 4 fine tunings indications of high-precision digital-display flowmeter by float flow indicator 3, make rate-of flow reach measured flux meter 8 setting valves, checks measured flux meter 8 action accuracies.
The utility model is mainly to have adopted flowmeter relative method and the compound verification of ready-made volume of a container relative method, adopt liquid medium to circulate at pipeline by ebullator, utilize throttling and the bypass effect of variable valve in pipeline, the staff indicates accuracy of measurement and the setting valve accuracy of the flowmeter of verification thermal conductance accurately by coarse adjustment indication and fine tuning, fill up the blank that the thermal conductance flowmeter in-situ is adjusted and checked.And can help the field personnel very easily the heat-conducted flowmeter on equipment to be carried out to on-the-spot accuracy checking and setting valve is adjusted, avoid because the thermally induced flow flowmeter measurement is inaccurate or tuning error causes the generation of unit exception or accident.
Under the utility model can be adjusted situation in the metering unit of adjusting that does not have condition to deliver to qualification, the effective raising scene precision of adjusting, and shortening heat is led the flowmeter setting time greatly, has guaranteed thermal conductance flow measurement value and setting valve accurately and reliably and the safe operation of equipment.
Other unspecified part all belongs to prior art.
Claims (3)
1. heat-conducted flowmeter in-situ setting device, comprise the water tank (1) that is provided with current input end (11) and current output terminal (12), the measured flux meter (8) be connected with described current input end (11) by the first pipeline (21), the ebullator (5) be connected with described current output terminal (12) by the second pipeline (22), it is characterized in that: also comprise the float flow indicator (3) be connected with ebullator (5) by the 3rd pipeline (23), the high-precision digital-display flowmeter (4) be connected with measured flux meter (8) by the 4th pipeline (24), between described float flow indicator (3) and high-precision digital-display flowmeter (4), by the 5th pipeline (25), be connected, atmospheric valve (9) is installed on described the first pipeline (21), on described the 3rd pipeline (23), variable valve (6) is installed.
2. heat-conducted flowmeter in-situ setting device according to claim 1, it is characterized in that: also comprise surplus valve (7), one end of described surplus valve (7) is connected with the current input end (11) of water tank (1), and the other end of surplus valve (7) is arranged on the 3rd pipeline (23).
3. heat-conducted flowmeter in-situ setting device according to claim 1, it is characterized in that: described measured flux meter (8) has two, and two measured flux meters (8) are cascaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320405637XU CN203323840U (en) | 2013-07-08 | 2013-07-08 | Field adjusting device for thermal flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320405637XU CN203323840U (en) | 2013-07-08 | 2013-07-08 | Field adjusting device for thermal flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203323840U true CN203323840U (en) | 2013-12-04 |
Family
ID=49663180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320405637XU Expired - Fee Related CN203323840U (en) | 2013-07-08 | 2013-07-08 | Field adjusting device for thermal flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203323840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181043A (en) * | 2014-05-28 | 2015-12-23 | 国网山西省电力公司电力科学研究院 | Intelligent monitoring type ultrasonic flow adjusting device and application method thereof |
-
2013
- 2013-07-08 CN CN201320405637XU patent/CN203323840U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181043A (en) * | 2014-05-28 | 2015-12-23 | 国网山西省电力公司电力科学研究院 | Intelligent monitoring type ultrasonic flow adjusting device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 25, 2023, the expiration and termination of the 39-volume 3001 patent Number: 30-01 Volume: 39 |
|
| CU01 | Correction of utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |