CN208902187U - A kind of low temperature resistant rotary displacement meter - Google Patents
A kind of low temperature resistant rotary displacement meter Download PDFInfo
- Publication number
- CN208902187U CN208902187U CN201821507258.0U CN201821507258U CN208902187U CN 208902187 U CN208902187 U CN 208902187U CN 201821507258 U CN201821507258 U CN 201821507258U CN 208902187 U CN208902187 U CN 208902187U
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- flowmeter
- fluid
- low temperature
- shaft
- tube
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Abstract
The utility model discloses a kind of low temperature resistant rotary displacement meter, including fluid-through tube, the fluid-through tube both ends have been respectively communicated with inlet and leakage fluid dram, upper connector is communicated with above the fluid-through tube, flowmeter is provided with above the upper connector, the flowmeter side is provided with circuit box, LCD display is provided on the flowmeter, it is stream chamber in the fluid-through tube, the stream is intracavitary to be provided with shaft, rotor is fixed in the shaft, the shaft is from stream chamber through in flowmeter, rock wool thermal insulation board is provided between upper connector and fluid-through tube, rock wool thermal insulation board bottom is provided with waterproof washer, bearing is provided with above the rock wool thermal insulation board, the shaft passes through bearing, there are two semiconductor chilling plates for the bearing two sides setting；This kind of low temperature resistant rotary displacement meter design is rationally, easy to use, can be suitable for low temperature environment, internal thermal insulative board can effective barrier fluid low temperature, thus the electronic structure normal use in holding circuit box.
Description
Technical field
The utility model relates to flowmeter technology field, specifically a kind of low temperature resistant rotary displacement meter.
Background technique
Metering is industrial eyes.Flow measurement is one of the component part of measuring science technology, it and its people pass through
Ji, national defense construction, scientific research have close relationship.This work is carried out, to guarantee product quality, improves production efficiency, rush
Development into science and technology all plays an important role, especially higher and higher in energy crisis, industrial production automation degree
Current era, status of the flowmeter in national economy and effect it is more obvious.Existing common rotary displacement meter
It is widely applied to chemical field, is usually all mounted in for measuring the flow velocity of fluids within pipes between pipeline, in chemical field
Middle pipeline can usually transport some fluids after cooling, and when fluid after cooling passes through flowmeter, cold air can be with flowmeter
Interior upper connector enters in the metering circuit of flowmeter, to influence the operation of internal electronic equipment, while low temperature also can
The activity of lubricant in bearing is reduced, shaft and rotor can all rely on bearing and be rotated, when bearing lubrication degree reduces, shaft
It will receive obstruction when with rotor rotation, the resultant error that will lead to flowmeter measurement is excessive.
Utility model content
The utility model provides a kind of low temperature resistant rotary displacement meter, can effectively solve in above-mentioned background technique
Problem.
To achieve the above object, the utility model provides the following technical solution:
A kind of low temperature resistant rotary displacement meter of the utility model, including fluid-through tube, the fluid-through tube both ends connect respectively
It is connected with inlet and leakage fluid dram, upper connector is communicated with above the fluid-through tube, is provided with flowmeter above the upper connector,
The flowmeter side is provided with circuit box, and power supply is provided in the circuit box, LCD is provided on the flowmeter and shows
Screen is stream chamber in the fluid-through tube, and the stream is intracavitary to be provided with shaft, is fixed with rotor in the shaft, and the shaft is from stream
Through in flowmeter in chamber, rock wool thermal insulation board is provided between upper connector and fluid-through tube, rock wool thermal insulation board bottom is set
It is equipped with waterproof washer, bearing is provided with above the rock wool thermal insulation board, the shaft passes through bearing, and the bearing two sides are provided with
Two semiconductor chilling plates.
It is the LCD display, the semiconductor chilling plate, described as a kind of optimal technical scheme of the utility model
Power supply in flowmeter and circuit box is electrically connected.
As a kind of optimal technical scheme of the utility model, speed probe, revolution speed sensing are provided in the shaft
Device and flowmeter pass through electric connection.
As a kind of optimal technical scheme of the utility model, the flowmeter is with the LCD display by electrically connecting
It connects.
As a kind of optimal technical scheme of the utility model, the semiconductor chilling plate thermal conductive surface freezes towards top
Facing towards rock wool thermal insulation board.
As a kind of optimal technical scheme of the utility model, the shaft engages with bearing inner race.
As a kind of optimal technical scheme of the utility model, the circuit box is fixed on flowmeter one by fixing bolt
Side.
The utility model beneficial effect achieved is: the structure design of the utility model is reasonable, practical, user
Just, when being passed through cryogen in water pipe, cryogen passes through rotor, and fluid impact flow rotor rotates rotor, rotor band
Turn axis rotates, and the speed probe in shaft tests the speed to shaft, and the result measured passes to flowmeter, and flowmeter calculates
It is shown by LCD display.When cryogen is through overcurrent chamber, rock wool thermal insulation board can completely cut off low temperature, avoid cold air from fluid-through tube
It is passed into flowmeter between upper connector, while semiconductor chilling plate is a kind of one side heat absorption exothermic component of another side,
Its thermal conductive surface is communicated up heat towards rock wool thermal insulation board, semiconductor refrigerating sector-meeting towards top, chill surface, is in upper connector
Heat is provided, which enters in flowmeter with upper connector, to be heated to flowmeter, guarantee flowmeter not by
The influence of low temperature also reduces the error of flowmeter measurement to promote the stability of whole device work.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the utility model subjectivity structural schematic diagram；
Fig. 2 is the utility model schematic diagram of internal structure；
Fig. 3 is the utility model partial structural diagram；
In figure: 1, fluid-through tube；2, inlet；3, leakage fluid dram；4, upper connector；5, circuit box；6, flowmeter；7, fixed spiral shell
Bolt；8, LCD display；9, waterproof washer；10, semiconductor chilling plate；11, chamber is flowed；12, shaft；13, rotor；14, bearing；15,
Rock wool thermal insulation board.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figure 1-3, include fluid-through tube 1,1 both ends of fluid-through tube have been respectively communicated with inlet 2 and drain
Mouthfuls 3, upper connector 4 is communicated with above the fluid-through tube 1, and flowmeter 6, the flowmeter 6 are provided with above the upper connector 4
Side is provided with circuit box 5, and power supply is provided in the circuit box 5, and LCD display 8 is provided on the flowmeter 6, described
It is stream chamber 11 in fluid-through tube 1, is provided with shaft 12 in the stream chamber 11, rotor 13, the shaft are fixed in the shaft 12
12 from stream chamber 11 through in flowmeter 6, rock wool thermal insulation board 15, the rock wool are provided between upper connector 4 and fluid-through tube 1
15 bottom of thermal insulation board is provided with waterproof washer 9, and bearing 14 is provided with above the rock wool thermal insulation board 15, and the shaft 12 passes through axis
14 are held, there are two semiconductor chilling plates 10 for 14 two sides of the bearing setting.
In order to keep this kind of low temperature resistant rotary displacement meter easy to use, the LCD display 8, the semiconductor system
Power supply in cold 10, the flowmeter 6 and circuit box 5 is electrically connected, and is provided with speed probe, revolving speed in the shaft 12
By being electrically connected, the flowmeter 6 passes through with the LCD display 8 to be electrically connected, described partly to lead for sensor and flowmeter 6
10 thermal conductive surface of body cooling piece engages towards rock wool thermal insulation board 15, the shaft 12 with 14 inner ring of bearing towards top, chill surface, institute
It states circuit box 5 and 6 side of flowmeter is fixed on by fixing bolt 7.
The structure design of the utility model is reasonable, when use by the rotary displacement meter by flange be mounted on water pipe it
Between, when being passed through cryogen in water pipe, cryogen passes through rotor 13, and fluid impact flow rotor 13 rotates rotor 13,
Rotor 13 drives shaft 12 to rotate, and the speed probe in shaft 12 tests the speed to shaft 12, and the result measured passes to stream
Meter 6, flowmeter 6 is calculated to be shown by LCD display 8.When cryogen is through overcurrent chamber 11, rock wool thermal insulation board 15 can completely cut off
Low temperature avoids cold air from being passed into flowmeter 6 between fluid-through tube 1 and upper connector 4, while semiconductor chilling plate 10 is a kind of
Absorb heat the exothermic component of another side on one side, and thermal conductive surface is towards top, and chill surface is towards rock wool thermal insulation board 15, semiconductor chilling plate
10 can be communicated up heat, and to provide heat in upper connector 4, which enters in flowmeter 6 with upper connector 4, from
And flowmeter 6 is heated, guarantee that flowmeter 6 is not influenced by low temperature, so that the stability of whole device work is promoted,
Reduce the error of flowmeter measurement.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of low temperature resistant rotary displacement meter, including fluid-through tube (1), which is characterized in that fluid-through tube (1) both ends point
It is not communicated with inlet (2) and leakage fluid dram (3), is communicated with upper connector (4), the upper connector above the fluid-through tube (1)
(4) top is provided with flowmeter (6), and flowmeter (6) side is provided with circuit box (5), is provided in the circuit box (5)
Power supply is provided with LCD display (8) on the flowmeter (6), is stream chamber (11), the stream chamber (11) in the fluid-through tube (1)
It is inside provided with shaft (12), is fixed with rotor (13) on the shaft (12), the shaft (12) is from stream chamber (11) through stream
In meter (6), it is provided between upper connector (4) and fluid-through tube (1) rock wool thermal insulation board (15), the rock wool thermal insulation board (15)
Bottom is provided with waterproof washer (9), is provided with bearing (14) above the rock wool thermal insulation board (15), and the shaft (12) passes through axis
It holds (14), there are two semiconductor chilling plate (10) for bearing (14) the two sides setting.
2. a kind of low temperature resistant rotary displacement meter according to claim 1, which is characterized in that the LCD display
(8), the semiconductor chilling plate (10), the flowmeter (6) and the power supply in circuit box (5) are electrically connected.
3. a kind of low temperature resistant rotary displacement meter according to claim 1, which is characterized in that on the shaft (12)
It is provided with speed probe, speed probe and flowmeter (6) pass through electric connection.
4. a kind of low temperature resistant rotary displacement meter according to claim 1, which is characterized in that the flowmeter (6)
Pass through electric connection with the LCD display (8).
5. a kind of low temperature resistant rotary displacement meter according to claim 1, which is characterized in that the semiconductor refrigerating
Piece (10) thermal conductive surface is towards top, and chill surface is towards rock wool thermal insulation board (15).
6. a kind of low temperature resistant rotary displacement meter according to claim 1, which is characterized in that the shaft (12) with
The engaging of bearing (14) inner ring.
7. a kind of low temperature resistant rotary displacement meter according to claim 1, which is characterized in that the circuit box (5)
Flowmeter (6) side is fixed on by fixing bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821507258.0U CN208902187U (en) | 2018-09-14 | 2018-09-14 | A kind of low temperature resistant rotary displacement meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821507258.0U CN208902187U (en) | 2018-09-14 | 2018-09-14 | A kind of low temperature resistant rotary displacement meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208902187U true CN208902187U (en) | 2019-05-24 |
Family
ID=66572519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821507258.0U Active CN208902187U (en) | 2018-09-14 | 2018-09-14 | A kind of low temperature resistant rotary displacement meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208902187U (en) |
-
2018
- 2018-09-14 CN CN201821507258.0U patent/CN208902187U/en active Active
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