CN204535803U - A kind of pipeline internal volume tester - Google Patents
A kind of pipeline internal volume tester Download PDFInfo
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- CN204535803U CN204535803U CN201520120657.1U CN201520120657U CN204535803U CN 204535803 U CN204535803 U CN 204535803U CN 201520120657 U CN201520120657 U CN 201520120657U CN 204535803 U CN204535803 U CN 204535803U
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- pipeline
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- internal volume
- pipeline fitting
- pressure
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Abstract
The utility model discloses a kind of pipeline internal volume tester, comprise housing, its inside is provided with controller, housing is provided with the display panel and control panel that are connected to controller, enclosure interior is also provided with and is connected to source of the gas and the aerating device controlled by controller, aerating device is connected with bleeder mechanism, bleeder mechanism is communicated with some demarcation passages, demarcate channel part and be connected with some orthobaric volume tanks, another part connects pipeline fitting to be measured, the gas that aerating device exports is divided into two parts by controller by bleeder mechanism, be filled with orthobaric volume tank and pipeline fitting to be measured respectively, the proving installation of measurement standard volume tank and pipeline fitting air pressure to be measured is provided with in bleeder mechanism.The utility model, by arranging bleeder mechanism, orthobaric volume tank and controller, can go out the volume of pipeline fitting to be measured by comparing calculation, have that method is directly perceived, antijamming capability is strong, can not cause error because of factors such as manual operation gimmicks; The advantage of many specifications, multi-series pipeline fitting can be detected.
Description
Technical field
The utility model relates to internal volume detection technique field, particularly relates to a kind of pipeline internal volume tester.
Background technology
At present, before pipeline fitting uses, need the detection it being carried out to internal volume, the mensuration especially for the pipeline fitting such as evaporator, condenser internal volume in refrigerator industry requires higher.
Present stage, three kinds of modes are mainly contained to the mensuration of the pipeline fitting such as evaporator, condenser internal volume in refrigerator industry:
1, adopt the standardization test method of the pipeline internal volume in national standard and company standard, namely calculated by evaporator drain amount (utilizing evaporator tank suspension theory).But in actual production with in using, the method may not enter factory's Incoming Quality Control and the type approval test method of inspection as frequent.
2, douche inspection pipeline internal volume, the pipeline fitting that this kind of mode detects, will scrap after water inspection, can not reuse, learies is very big; In tank, the density of water is non-constant, and the density of water needs accurately to detect; The degree of depth that pipeline fitting immerses in tank is uncontrollable, and water is difficult to immerse channel interior completely, and opening part exists part hollow all the time, and sealing pipeline two ends under water, there is many uncertain factors; The pipeline fitting taken out from tank, outside surface is water stain must be thoroughly clean dry, and the actual oven for drying outside surface that uses is water stain.In actual motion, often cause evaporation or the spilling of internal moisture; Also there is more disturbing factor in weighing of soil after irrigation, the larger workpiece of internal volume or comparatively small workpiece are all difficult to Measurement accuracy soil after irrigation weight.
3, adopt and measure the total length of pipeline fitting, mouth of pipe external diameter, wall thickness whether in margin tolerance, thus indirectly control the method for internal volume, but this kind of mode is owing to having the non-flat degree of lip-rounding formula of sprayed coating, the pipeline fitting mouth of pipe by refrigerator pipeline fitting outside, usually be all the impact of survey instrument (tape measure, vernier caliper, micrometer caliper, wall thickness micrometer gauge etc.) the degree of accuracy deficiency of enlarging and reducing form and inspection, be difficult to the real actual numerical value investigating pipeline fitting internal volume.
Therefore, need one badly and fast, accurately can measure pipeline fitting internal volume, and the proving installation of pipeline fitting can not be scrapped.
Utility model content
The purpose of this utility model is to provide a kind of pipeline internal volume tester, can carry out the measurement of fast accurate, and can not scrap the pipeline fitting of test to the pipeline fitting internal volume of the evaporator in pipeline fitting especially refrigerator industry, condenser.
For reaching this object, the utility model by the following technical solutions:
A kind of pipeline internal volume tester, comprise housing, described enclosure interior is provided with controller, housing is provided with the display panel and control panel that are connected to controller, described enclosure interior is also provided with and is connected to source of the gas and the aerating device controlled by controller, aerating device is connected with bleeder mechanism, described bleeder mechanism is communicated with some demarcation passages, described demarcation channel part is connected with some orthobaric volume tanks, another part connects pipeline fitting to be measured, the gas that aerating device exports is divided into two parts by controller by described bleeder mechanism, be filled with orthobaric volume tank and pipeline fitting to be measured respectively, the proving installation of measurement standard volume tank and pipeline fitting air pressure to be measured is provided with in described bleeder mechanism.
As preferably, described bleeder mechanism comprises two air chambers, be respectively standard air chamber and test air chamber, aerating device is to standard air chamber and test chamber inflated, described standard air chamber and test air chamber are by demarcating expanding channels in orthobaric volume tank and pipeline fitting to be measured, and described proving installation carries out air pressure mensuration to described air chamber.
As preferably, described proving installation comprises two pressure transducers, and two described pressure transducers are connected to described air chamber and carry out air pressure test to it.
As preferably, described proving installation comprises differential pressure pickup and pressure transducer, wherein differential pressure pickup to be arranged between two described air chambers and the pressure reduction tested between two air chambers, and described pressure transducer is connected to air chamber described in one of them and carries out air pressure test to it.
As preferably, described aerating device is high-pressure mini air pump, and it is connected with source of the gas.
As preferably, described housing is provided with test port and standard mouth, and pipeline fitting to be measured and orthobaric volume tank are connected to demarcation passage by test port and standard mouth.
As preferably, also comprise rapid-acting coupling, what described pipeline fitting to be measured and orthobaric volume tank were sealed by rapid-acting coupling is connected to test port and standard mouth, and the other end of pipeline fitting to be measured is tightly connected by rapid-acting coupling.
As preferably, also comprise the fast insertion terminal row of No leakage, described orthobaric volume tank is connected to the fast insertion terminal row of No leakage by rapid-acting coupling.
As preferably, described demarcation passage is 32.
As preferably, described orthobaric volume tank is 16, and its capacity is divided into 50ml, 100ml, 200ml, 400ml, 500ml.
The beneficial effects of the utility model:
1, by arranging bleeder mechanism, orthobaric volume tank and controller, can be gone out the volume of pipeline fitting to be measured by comparing calculation, single pipeline fitting is short for detection time, can complete detection in 1min, realize the numerical quantization of pipeline internal volume, for later stage bulk detection provides favourable conditions.
2, after detecting, directly reading of content can amassing concrete numerical value, without the need to converting, achieving the effective monitoring of pipeline fitting internal volume.
3, the pipeline fitting after detecting can not be scrapped, and can continue online use, can implement supplied materials sampling observation or the full certificate of inspection to pipeline fitting.
4, method is directly perceived, antijamming capability is strong, can not cause error because of factors such as manual operation gimmicks; Many specifications, multi-series pipeline fitting can be detected, in equipment, carry the parameter channel pre-set; Later stage tests, and only needs the parameter amassing selected coupling voluntarily according to workpiece theoretical content, simple operation, simply.
Accompanying drawing explanation
Fig. 1 is the utility model perspective view;
Fig. 2 is the utility model inner structure schematic diagram;
In figure:
1, housing; 2, controller; 3, display panel; 4, control panel; 5, source of the gas; 6, aerating device; 7, bleeder mechanism; 8, passage is demarcated; 9, orthobaric volume tank; 10, pipeline fitting to be measured; 11, proving installation; 12, test port; 13, standard mouth; 14, rapid-acting coupling; The fast insertion terminal row of 15 No leakage.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
As shown in Figure 1, 2, the utility model provides a kind of pipeline internal volume tester, for measuring the internal volume of pipeline fitting such as evaporator, the condenser etc. in pipeline fitting especially refrigerator and refrigerator two device industry, as shown in Figure 1, 2, it comprises housing 1, controller 2 is provided with in housing 1 inside, housing 1 sidewall is provided with the display panel 3 being connected to controller 2 and control panel 4, wherein display panel 3 is for showing test number, and control panel 4 controls each generic operation in test process for realizing;
Also be provided with aerating device 6 in housing 1 inside, it is connected to source of the gas 5 and is controlled by controller 2, inflates, in the present embodiment, in conjunction with the industrial actual conditions measuring pressure vessel, piping system volume, utilize high pressure nitrogen as desirable source of the gas 5, and output pressure is set as 0.4-0.8MPa, aerating device 6 output terminal is connected with bleeder mechanism 7, this bleeder mechanism 7 is communicated with some demarcation passages 8, the present embodiment is provided with 32, demarcate passage 8 part and be connected with some orthobaric volume tanks 9 as required, orthobaric volume tank 9 as required its capacity is 50ml, 100ml, 200ml, 400ml, one in 500ml and linearly volume six kinds, and often kind is equipped with two covers, another part then connects pipeline fitting 10 to be measured, in the present embodiment, bleeder mechanism 7 is controlled by controller 2 equally, to realize distributing the gas that aerating device 6 exports, by controller 2, the nitrogen that aerating device 6 exports is divided into two parts, be filled with in orthobaric volume tank 9 and pipeline fitting to be measured 10 respectively, to complete the mensuration of pipeline fitting 10 internal volume to be measured, the proving installation 11 of measurement standard volume tank 9 and pipeline fitting to be measured 10 air pressure is provided with in bleeder mechanism 7.
The present embodiment exports nitrogen to bleeder mechanism 7 by aerating device 6, and by it, nitrogen is divided into two parts, be delivered in orthobaric volume tank 9 and pipeline fitting to be measured 10 by demarcating passage 8, the present embodiment test philosophy is based on the Ideal-Gas Equation, the variation relation of whether about pressure and volume.The Ideal-Gas Equation, refers generally to Clapeyron equation: PV=nRT.Wherein P is pressure, and V is volume, and n is amount of substance, and R is universal gas constant, and T is absolute temperature.This equation stricti jurise is only applicable to ideal gas, but the approximate real gas (comprising normal temperature and pressure) that can be used for non-extreme conditions (high temperature or high pressure).In isothermal process, the pressure of the gas of certain mass is inversely proportional to its volume.From Clapeyron equation, when temperature T is constant, under quantitative gas any state, the product of pressure and volume is a constant, i.e. Bo-Ma law P
1v
1=P
2v
2therefore when testing, orthobaric volume tank 9 and pipeline fitting to be measured 10 are in same temperature constant state, by bleeder mechanism 7, nitrogen is divided into two parts afterwards, and via controller 2 carries out accurate test pressure reading, afterwards due to the canonical measure part that orthobaric volume tank 9 is fixed volume, when its volume is known, the volume of pipeline fitting 10 to be measured can be tested out, and be presented on display panel 3.
In the present embodiment, high-pressure mini air pump selected by aerating device 6, is certainly not limited only to high-pressure mini air pump, as long as can meet inflation requirement, and can be arranged in this tester housing 1.
With reference to Fig. 2, bleeder mechanism 7 comprises two air chambers, be respectively standard air chamber and test air chamber, aerating device 6 pairs of standard air chambers and test chamber inflated, described standard air chamber and test air chamber are by demarcating expanding channels in orthobaric volume tank 9 and pipeline fitting to be measured 10, aerating device 6 is first filled with the nitrogen of different pressure to above-mentioned two air chambers, by air chamber, nitrogen is filled with orthobaric volume tank 9 and pipeline fitting to be measured 10 from demarcation passage 8 again, air pressure in proving installation 11 pairs of air chambers carries out air pressure mensuration, it should be noted that, to the mensuration of air chamber internal gas pressure namely to the mensuration of the air pressure in orthobaric volume tank 9 and pipeline fitting to be measured 10, for the conversion of volumetric quantities afterwards.As preferably, proving installation 11 can be two pressure transducers, two pressure transducers are separately positioned in air chamber, because orthobaric volume tank 9 and pipeline fitting to be measured 10 are all connected with air chamber, the atmospheric pressure value in orthobaric volume tank 9 and pipeline fitting to be measured 10 can be tested accurately by pressure transducer, by pressure transducer, signal is delivered in controller 2 afterwards, when carrying out inflation test, directly the internal volume of pipeline fitting 10 to be measured can be tested out, and its numerical value is shown by display panel 3;
As another kind of preferred version, proving installation 11 can also be that differential pressure pickup and pressure transducer are formed, wherein differential pressure pickup is arranged at two and states between air chamber and to carry out the test of pressure reduction to air pressure between two air chambers, pressure transducer to be then arranged in one of them air chamber and to carry out air pressure test to it, afterwards by pressure difference that differential pressure pickup is measured, converse the atmospheric pressure value of another one air chamber, finally complete the calculating of the internal volume of pipeline fitting 10 to be measured, show its numerical value by display panel 3.
Housing 1 is provided with test port 12 and standard mouth 13, one end part that wherein several demarcation passages 8 do not connect air chamber is connected to test port 12, another part is connected to standard mouth 13, what pipeline fitting 10 to be measured and orthobaric volume tank 9 were sealed by rapid-acting coupling 14 is connected to test port 12 and standard mouth 13, the other end of pipeline fitting 10 to be measured is tightly connected by rapid-acting coupling 14, and then when testing, first pipeline fitting 10 one end to be measured is sealed, respectively by rapid-acting coupling 14 (itself is provided with seal), orthobaric volume tank 9 and pipeline fitting to be measured 10 are connected on test port 12 and standard mouth 13 afterwards, make test result more accurate.
When testing, sometimes there will be pipeline fitting 10 to be measured and orthobaric volume tank 9 and mate uneven situation, such as, when testing, 500ml selected by orthobaric volume tank 9, and pipeline fitting 10 internal volume to be measured is smaller, although can internal volume be tested out like this, but result is accurate relatively not, therefore the fast insertion terminal row 15 of No leakage is devised, by the orthobaric volume tank 9 of smaller capacity is connected on the fast insertion terminal row 15 of No leakage by rapid-acting coupling 14, be connected with pipeline fitting 10 to be measured more afterwards, the effective demarcation warning problem compensating pipeline fitting 10 internal volume to be measured deficiency and cause on original basis like this, that test result is more accurate.
In the present embodiment, controller 2 also comprises following functional module, the preparation for before testing:
1) time setting module, is mainly used in the setting of time, and namely the stand-by period will be set to 0s before test, the importing time is set as 5s, and equilibration time is set as 10s, and the test duration is set to 5s, for from be inflated to test terminate time setting;
2) air pressure and volume settings module, for the setting of measuring air pressure, the upper limit by full test air pressure is arranged to 25KPa, and maximum volume is set as the volume maximal value of pipeline fitting 10 to be measured;
3) demarcate the concrete demarcating module of passage 8, before testing, as required part wherein can be demarcated the capacity input control device 2 of the respective standard volume tank 9 in passage 8, the direct application after being convenient to.
The control of above-mentioned each module is realized by control panel 4, namely when needs set, can carry out demarcating setting and the checking of numerical value by the button on control panel 4, when testing, can check result fast.
By this instrument, can carry out the mensuration of internal volume to the pipeline of the evaporator in refrigerator and refrigerator two device industry and condenser, it has and reading of content can amass concrete numerical value, without the need to converting; Antijamming capability is strong, can not cause error because of factors such as manual operation gimmicks; Many specifications, multi-series pipeline fitting can be detected, in equipment, carry the parameter channel pre-set.Later stage tests, and only needs the parameter amassing selected coupling voluntarily according to workpiece theoretical content, simple operation, simple advantage, and after being completed, pipeline fitting 10 to be measured can not be scrapped, can continue to use, provide cost savings, also provide technical support for large batch of detection.
Obviously, above-described embodiment of the present utility model is only used to clearly demonstrate the utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (10)
1. a pipeline internal volume tester, it is characterized in that, comprise housing (1), described housing (1) inside is provided with controller (2), housing (1) is provided with the display panel (3) and control panel (4) that are connected to controller (2), described housing (1) inside is also provided with and is connected to source of the gas (5) and the aerating device (6) controlled by controller (2), aerating device (6) is connected with bleeder mechanism (7), described bleeder mechanism (7) is communicated with some demarcation passages (8), described demarcation passage (8) part is connected with some orthobaric volume tanks (9), another part connects pipeline fitting to be measured (10), the gas that aerating device (6) exports is divided into two parts by controller (2) by described bleeder mechanism (7), be filled with orthobaric volume tank (9) and pipeline fitting to be measured (10) respectively, the proving installation (11) of measurement standard volume tank (9) and pipeline fitting to be measured (10) air pressure is provided with in described bleeder mechanism (7).
2. pipeline internal volume tester according to claim 1, it is characterized in that, described bleeder mechanism (7) comprises two air chambers, be respectively standard air chamber and test air chamber, aerating device (6) is to standard air chamber and test chamber inflated, described standard air chamber and test air chamber are connected to orthobaric volume tank (9) and pipeline fitting to be measured (10) by demarcating passage (8), and described proving installation (11) carries out air pressure mensuration to described air chamber.
3. pipeline internal volume tester according to claim 2, is characterized in that, described proving installation (11) comprises two pressure transducers, and two described pressure transducers are connected to described air chamber and carry out air pressure test to it.
4. pipeline internal volume tester according to claim 2, it is characterized in that, described proving installation (11) comprises differential pressure pickup and pressure transducer, wherein differential pressure pickup to be arranged between two described air chambers and the pressure reduction tested between two air chambers, and described pressure transducer is connected to air chamber described in one of them and carries out air pressure test to it.
5. pipeline internal volume tester according to claim 1, is characterized in that, described aerating device (6) is high-pressure mini air pump, and it is connected with source of the gas (5).
6. pipeline internal volume tester according to claim 2, it is characterized in that, described housing (1) is provided with test port (12) and standard mouth (13), and pipeline fitting to be measured (10) and orthobaric volume tank (9) are connected to by test port (12) and standard mouth (13) and demarcate passage (8).
7. pipeline internal volume tester according to claim 6, it is characterized in that, also comprise rapid-acting coupling (14), what described pipeline fitting to be measured (10) and orthobaric volume tank (9) were sealed by rapid-acting coupling (14) is connected to test port (12) and standard mouth (13), and the other end of pipeline fitting to be measured (10) is tightly connected by rapid-acting coupling (14).
8. pipeline internal volume tester according to claim 7, it is characterized in that, also comprise fast insertion terminal row (15) of No leakage, described orthobaric volume tank (9) is connected to fast insertion terminal row (15) of No leakage by rapid-acting coupling (14).
9. pipeline internal volume tester according to claim 1, is characterized in that, described demarcation passage (8) is 32.
10. pipeline internal volume tester according to claim 1, is characterized in that, described orthobaric volume tank (9) is 16, and its capacity is divided into 50ml, 100ml, 200ml, 400ml, 500ml.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120657.1U CN204535803U (en) | 2015-02-28 | 2015-02-28 | A kind of pipeline internal volume tester |
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| CN201520120657.1U CN204535803U (en) | 2015-02-28 | 2015-02-28 | A kind of pipeline internal volume tester |
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| CN204535803U true CN204535803U (en) | 2015-08-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811401A (en) * | 2020-06-30 | 2020-10-23 | 大连优联智能装备股份有限公司 | Volume measuring device and method of use thereof |
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2015
- 2015-02-28 CN CN201520120657.1U patent/CN204535803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811401A (en) * | 2020-06-30 | 2020-10-23 | 大连优联智能装备股份有限公司 | Volume measuring device and method of use thereof |
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