CN109682862A - The fluid test device of refrigerant conductivity can be tested - Google Patents
The fluid test device of refrigerant conductivity can be tested Download PDFInfo
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- CN109682862A CN109682862A CN201910134209.XA CN201910134209A CN109682862A CN 109682862 A CN109682862 A CN 109682862A CN 201910134209 A CN201910134209 A CN 201910134209A CN 109682862 A CN109682862 A CN 109682862A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/07—Construction of measuring vessels; Electrodes therefor
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- General Health & Medical Sciences (AREA)
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses the fluid test devices that one kind can test refrigerant conductivity, it include: resistance measuring module, further include: the visual fluid test cylinder in side can be electrically connected with the resistance measuring module and be arranged in the test electrode of different height in fluid test cylinder being parallel to each other.The visual fluid test cylinder of test electrode and side that the present invention passes through setting different height, after fluid-mixing layering, the resistance value for two pieces of test electrodes that resistance measuring module measurement is located in fluid-mixing in same mixed layer can be used, and calculate conductivity, it is also capable of measuring the corresponding resistivity of fluid different temperatures, pressure simultaneously, the electrology characteristic of research refrigerant can be facilitated, be supplied to electrical safety foundation for refrigerant type selecting.
Description
Technical field
The present invention relates to test instrumentation fields, more particularly to a kind of fluid test device that can test refrigerant conductivity.
Background technique
Industry is less to refrigerant conduction Journal of Sex Research at present, many related refrigerant electric conductivity parameters, all by consulting phase
Close foreign literature.Document provides only conductivity test result and test philosophy, does not refer to test equipment, test condition and side
Method.And the instrument of testing conductive rate is many kinds of on the market, but after different fluid mixing, when forming different mixed layers, often
The conductivity of layer mixed layer can not be tested directly, and can not directly observe the state of fluid, make fluid in different conditions
When conductivity test it is also inconvenient.
Summary of the invention
In order to solve the defect that fluid difference mixed layer existing in the prior art is unable to measure, the invention proposes one kind
The fluid test device of refrigerant conductivity can be tested.
The invention proposes a kind of fluid test devices, comprising: resistance measuring module, further includes: visually flow side
Body tests cylinder, and the test electricity of different height in fluid test cylinder can be electrically connected and be arranged in parallel in the resistance measuring module
Pole.
Further, the fluid test cylinder includes: the cylinder body of a side opening, is mounted on the liquid-sighting glass of cylinder body open side.
Preferably, the junction of the cylinder body and liquid-sighting glass is equipped with sealing ring.
Preferably, the liquid-sighting glass is bolted with cylinder body.
Further, electrode support is equipped in the fluid test cylinder, the electrode support is in the fluid test cylinder
The card slot of multiple installations test electrode is equipped at intervals in short transverse.
The invention also includes: fluid storage cylinder, the fluid storage cylinder test cylinder by pipeline connecting fluid.
The fluid storage cylinder includes: the storage cylinder body of both ends open, is fixed on the end cap at storage cylinder body both ends.
Preferably, the pipeline for connecting the fluid storage cylinder and fluid test cylinder is equipped with pressure sensor.
Further, the input duct of the fluid storage cylinder is equipped with switch valve.
The invention also includes patch panel assemblies, the patch panel assemblies are equipped with multiple wiring positions and each test electrode one
One is correspondingly connected with, and be electrically connected resistance measuring module can by wiring position with test electrode.
Preferably, the conducting wire for connecting the test electrode and patch panel assemblies passes through out of pipeline, and by being fixed on end
The binding post covered is drawn.
The invention also includes mounting seat, the fluid test cylinder, fluid storage cylinder and patch panel assemblies are mounted on installation
On pedestal.
Preferably, the effective area of the test electrode is 1cm2.
Preferably, the fluid test cylinder is equipped with temperature sensor.
Preferably, the switch valve is shut-off valve.
Preferably, the storage cylinder body is with end cap by being welded and fixed.
Compared with prior art, the visual fluid test of test electrode and side that the present invention passes through setting different height
Cylinder is located in fluid-mixing two in same mixed layer using resistance measuring module measurement after observation after fluid-mixing layering
Block tests the resistance value of electrode, and calculates conductivity, while being also capable of measuring the corresponding resistivity of fluid different temperatures, pressure,
The electrology characteristic of research refrigerant can be facilitated, be supplied to electrical safety foundation for refrigerant type selecting.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is explosive view of the invention；
Fig. 3 is the floor map of fluid test cylinder open side in the present invention；
Fig. 4 is the structural schematic diagram of electric machine support in the present invention.
Specific embodiment
As shown in Figure 1, the invention proposes the fluid test device that one kind can test refrigerant conductivity, including resistance is surveyed
Measure module, fluid test cylinder 1 and multiple test electrodes 21, the side visualization of fluid test cylinder 1, point of observable fluid-mixing
Layer situation, test electrode 21 be located in fluid test cylinder 1, be arranged in parallel along vertical short transverse, resistance measuring module can with times
The test electrode 21 of meaning position is electrically connected, to can be measured in fluid-mixing and be located at by resistance measuring module after by observation
The resistance of two pieces of test electrodes in same mixed layer, calculates conductivity by formula.
As shown in Fig. 2, fluid test cylinder 1 includes: cylinder body 11 and liquid-sighting glass 12, cylinder body 11 is cylindrical and axis and ground
In parallel, the disc closing of the disc opening other side of one side, liquid-sighting glass 12 are mounted on opening, cylinder body 11 are completely enclosed,
Simultaneously the mixed layer position of fluid can be confirmed by fluid of the liquid-sighting glass 12 from side in cylinder body 11.Cylinder body 11 and view liquid
It is equipped with sealing ring 13 between mirror 12, guarantees that the leakproofness of cylinder body 11 prevents leakage, and cylinder body 11 is equipped with a circle installation along opening
Hole, liquid-sighting glass 13 are equipped with the through-hole of corresponding mounting hole, pass through mounting hole and through-hole by bolt 14 and nut 17 cooperates, make to regard
Liquid mirror 12 is fixed on the side of cylinder body 11, wherein the gasket 15 and spring pad for being pressed in 12 side of liquid-sighting glass are also cased on bolt 14
Piece 16 prevents bolt 14 from damaging liquid-sighting glass 12 by pressure.
Electrode support 2 is also equipped in fluid test cylinder 1, electric machine support 2 connects shape by two pieces of risers and two pieces of transverse slats
At the space of a strip being formed between four blocks of plates, wherein the opposite side of two pieces of risers is equipped with multiple and different height
Card slot, test electrode 21 can be inserted in the card slot of different height in the form of sheets, made to test electrode 21 in parallel and are located at four blocks of plates and surround
It is formed in the space of a strip, the inner wall that the outside of two pieces of transverse slats of electrode support 2 corresponds to cylinder body 11 is arc-shaped, can be with cylinder
Body interference fit is fixed in cylinder body vertically.
The invention also includes fluid storage cylinder 3, patch panel assemblies 6 and mounting seat 7, fluid storage cylinder 3 is specifically included: depositing
Cylinder body 31 and end cap 32 are stored up, in a tubular form, it is close that the both ends that end cap 32 is fixed on storage cylinder body 31 will store cylinder body 31 to storage cylinder body 31
Envelope, storage cylinder body 31 are equipped with input duct, and fluid to be measured is filled with from input duct, and input duct is equipped with switch valve 33, open
Closing valve can be shut-off valve, and valve is turned off the switch after feed liquor closes fluid storage cylinder 3, prevent gaseous fluid from revealing；Fluid storage
Cylinder 3 is connected to fluid test cylinder 1 by two root canal roads 4, and pipeline 4 is equipped with pressure sensor 5, can detect fluid storage cylinder 3 with
Pressure in fluid test cylinder 4 can also be arranged temperature sensor measurement fluid temperature (F.T.) in fluid test cylinder 3, such as mount temperature-sensitive
Piece further increases the research to the electrology characteristic of fluid.
Patch panel assemblies 6 are equipped with multiple wiring positions, the corresponding test electrode 21 in each wiring position, and with test electrode
21 connect one to one, and be electrically connected resistance measuring module can by wiring position with test electrode 21, pass through two tests of measurement
The resistance of electrode 21, the conductivity for the fluid to be measured that can convert.Wherein, the conducting wire being connected between test electrode 21 and wiring position
Totally two sections, it is divided into inner lead 22 and outer lead 24 and is deposited after inner lead 22 is connect with test electrode 21 by connecting fluid
In the pipeline 4 to fluid storage cylinder 3 for storing up cylinder 3 and fluid test cylinder 1, the end cap 32 of fluid storage cylinder 3 is equipped with corresponding test electricity
The binding post 23 of 21 quantity of pole, the pin of binding post 23 pass through end cap 32 and connect with inner lead 22, and binding post 23 is located at fluid
Connector lug outside storage cylinder 3 connects outer lead 24, then the wiring position of patch panel assemblies 6 is connected to by outer lead 24, makes
Test electrode 21 is connected to wiring position.
In order to during installation convenient for across conducting wire, it is three sections that every root canal road 4, which is divided, is outlet-pipe 43,42 and of wire-passing tube respectively
Inlet wire pipe 41, is connected through a screw thread, and wherein outlet-pipe 43 is mounted on fluid storage cylinder 3, and inlet wire pipe 41 is mounted on fluid test
On cylinder 1, wire-passing tube 42 is connected between inlet wire pipe 41 and outlet-pipe 43.
By the way that fluid storage cylinder is arranged, the height of fluid, is convenient in the control fluid test cylinder that measurement can be more accurate
The conductivity of the different mixed layers of fluid-mixing is measured, while conducting wire being passed through out of pipeline, convenient for gaseous flows such as guiding refrigerants
Body enters fluid test cylinder, improves the accuracy rate of measurement, while also can avoid the other aperture on fluid test cylinder.
Mounting seat 7 be in " several " font, can be bent to form by one block of rectangular plate, at the top of platform be equipped with installation
The side of opening 71, fluid test cylinder 1 is placed directly on construction opening 71 in disc, and passes through stationary housing 11 and liquid-sighting glass 12
The support of bolt 14 prevent from shaking, easy for removal and installation, fluid storage cylinder 3 and patch panel assemblies 6 are directly fixed by screw
In mounting seat.
As shown in Figure 3,4, in the particular embodiment, test electrode 21 is 9, respectively 4 cathode 211 and 5 sun
Pole 212, and the inner lead for connecting cathode 211 and anode 212 passes through from different pipelines 4 respectively, is connected to different end caps
On binding post 23 on 32, it is easily installed and distinguishes.One cathode is installed between every two anode 212 on electrode support 2
211, the effective area of each electrode is 1cm2, and two neighboring electrode may be configured as 5mm, and the different gaps such as 10mm, 15mm are convenient
Resistivity is converted with corresponding resistance value.The formula of conductivity are as follows:, effective contact surface area A is 1cm2, and l is is surveyed
Gap between two test electrodes of amount can measure two interelectrode resistance value R of test using resistance measuring module, then may be used
Calculate resistivity, wherein resistance measuring module can be multimeter, resistance measuring instrument etc..
The present invention can test the resistivity for all fluids not reacted with test device, such as refrigerant resistivity, lubrication
Oily resistivity and the resistivity of water etc., and the mixed layer that occurs after different solutions mixing can be tested, below mixed layer and mixed layer
With the resistivity at first-class position.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (16)
1. a kind of fluid test device, comprising: resistance measuring module, which is characterized in that further include: the visual fluid in side is surveyed
It tries cylinder (1), the test electricity of fluid test cylinder (1) interior different height can be electrically connected and be arranged in parallel in the resistance measuring module
Pole (21).
2. fluid test device as described in claim 1, which is characterized in that the fluid test cylinder (1) includes: a side opening
Cylinder body (11), be mounted on the liquid-sighting glass (12) of cylinder body (11) open side.
3. fluid test device as claimed in claim 2, which is characterized in that the connection of the cylinder body (11) and liquid-sighting glass (12)
Place is equipped with sealing ring (13).
4. fluid test device as claimed in claim 2, which is characterized in that the liquid-sighting glass (12) and cylinder body (11) pass through spiral shell
It tethers and connects.
5. fluid test device as claimed in claim 2, which is characterized in that be equipped with electrode branch in the fluid test cylinder (1)
Frame (2), the electrode support (2) are equipped at intervals with multiple installation test electrodes in the short transverse of the fluid test cylinder
(21) card slot.
6. fluid test device as described in claim 1, which is characterized in that further include: fluid storage cylinder (3), the fluid
Storage cylinder (3) passes through pipeline (4) connecting fluid test cylinder (1).
7. fluid test device as claimed in claim 6, which is characterized in that the fluid storage cylinder (3) includes: both ends open
Storage cylinder body (31), be fixed on storage cylinder body (31) both ends end cap (32).
8. fluid test device as claimed in claim 6, which is characterized in that connect the fluid storage cylinder (3) and fluid is surveyed
The pipeline (4) for trying cylinder (1) is equipped with pressure sensor (5).
9. fluid test device as claimed in claim 6, which is characterized in that in the input duct of the fluid storage cylinder (3)
Equipped with switch valve (33).
10. fluid test device as claimed in claim 7, which is characterized in that further include patch panel assemblies (6), the wiring
Board group part (6) is equipped with multiple wiring positions and connects one to one with each test electrode (21), pass through resistance measuring module can
Wiring position is electrically connected with test electrode.
11. fluid test device as claimed in claim 10, which is characterized in that the connection test electrode (21) and terminal plate
The conducting wire of component (6) passes through out of pipeline (4), and the binding post (23) by being fixed on end cap (32) is drawn.
12. fluid test device as claimed in claim 11, which is characterized in that further include mounting seat (7), the fluid is surveyed
Examination cylinder (1), fluid storage cylinder (3) and patch panel assemblies (6) are mounted on mounting seat (7).
13. fluid test device as described in claim 1, which is characterized in that it is described test electrode (21) effective area be
1cm²。
14. fluid test device as described in claim 1, which is characterized in that the fluid test cylinder (1) passes equipped with temperature
Sensor.
15. fluid test device as claimed in claim 9, which is characterized in that the switch valve (33) is shut-off valve.
16. fluid test device as claimed in claim 7, which is characterized in that the storage cylinder body (31) and end cap (32) are logical
It crosses and is welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134209.XA CN109682862A (en) | 2019-02-22 | 2019-02-22 | The fluid test device of refrigerant conductivity can be tested |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134209.XA CN109682862A (en) | 2019-02-22 | 2019-02-22 | The fluid test device of refrigerant conductivity can be tested |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109682862A true CN109682862A (en) | 2019-04-26 |
Family
ID=66196757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910134209.XA Pending CN109682862A (en) | 2019-02-22 | 2019-02-22 | The fluid test device of refrigerant conductivity can be tested |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109682862A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5140275A (en) * | 1990-10-12 | 1992-08-18 | Chicago Bridge & Iron Technical Services Company | Method and apparatus for measuring the amount of ice in an aqueous ice slurry |
| CN1537029A (en) * | 2001-05-07 | 2004-10-13 | 环球油品公司 | Apparatus for mixing and reacting at least tow fluids |
| CN102656446A (en) * | 2009-12-22 | 2012-09-05 | 通用电气健康护理生物科学股份公司 | Conductivity sensor assembly |
| CN103076499A (en) * | 2012-12-30 | 2013-05-01 | 泰安瑞莱电气有限公司 | Volume resistivity detection device and detection method under coexistence of refrigerating machine oil and refrigerant |
| CN103899303A (en) * | 2012-12-25 | 2014-07-02 | 中国石油天然气股份有限公司 | Medium mixing injection device and medium mixing injection process |
| KR20140140971A (en) * | 2013-05-30 | 2014-12-10 | (주) 테크로스 | Total residual oxidant concentration measure module |
| CN106168564A (en) * | 2016-09-22 | 2016-11-30 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of device and method measuring refrigerator oil and cold-producing medium blending agent |
| CN107110677A (en) * | 2014-09-15 | 2017-08-29 | 利兹大学 | Laminagraph device, multiphase flow monitoring system and correlation method |
-
2019
- 2019-02-22 CN CN201910134209.XA patent/CN109682862A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5140275A (en) * | 1990-10-12 | 1992-08-18 | Chicago Bridge & Iron Technical Services Company | Method and apparatus for measuring the amount of ice in an aqueous ice slurry |
| CN1537029A (en) * | 2001-05-07 | 2004-10-13 | 环球油品公司 | Apparatus for mixing and reacting at least tow fluids |
| CN102656446A (en) * | 2009-12-22 | 2012-09-05 | 通用电气健康护理生物科学股份公司 | Conductivity sensor assembly |
| CN103899303A (en) * | 2012-12-25 | 2014-07-02 | 中国石油天然气股份有限公司 | Medium mixing injection device and medium mixing injection process |
| CN103076499A (en) * | 2012-12-30 | 2013-05-01 | 泰安瑞莱电气有限公司 | Volume resistivity detection device and detection method under coexistence of refrigerating machine oil and refrigerant |
| KR20140140971A (en) * | 2013-05-30 | 2014-12-10 | (주) 테크로스 | Total residual oxidant concentration measure module |
| CN107110677A (en) * | 2014-09-15 | 2017-08-29 | 利兹大学 | Laminagraph device, multiphase flow monitoring system and correlation method |
| CN106168564A (en) * | 2016-09-22 | 2016-11-30 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of device and method measuring refrigerator oil and cold-producing medium blending agent |
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| PB01 | Publication | ||
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Application publication date: 20190426 |