CN204944773U - Condenser, evaporator air pressure leakage detection instrument and jointing - Google Patents
Condenser, evaporator air pressure leakage detection instrument and jointing Download PDFInfo
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- CN204944773U CN204944773U CN201520753609.6U CN201520753609U CN204944773U CN 204944773 U CN204944773 U CN 204944773U CN 201520753609 U CN201520753609 U CN 201520753609U CN 204944773 U CN204944773 U CN 204944773U
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Abstract
A kind of condenser, evaporator air pressure leakage detection instrument, comprise pedestal, pedestal is fixed with bearing one, the inner ring of bearing one is fixed with rotation axis one, the center of rotation axis one has through hole one and through hole two, the diameter of through hole one is less than through hole two, through hole one place is fixed with the coaxial bearing two arranged with through hole one, the inner ring of bearing two is fixed with rotation axis two, the center of rotation axis two has through hole three, through hole three medial extremity is fixed with the snorkel be in communication with the outside, and the outside of snorkel is provided with tensimeter, air release, the sealed valve connected with snorkel; The outer face of rotation axis two is provided with O-ring seal.A kind of jointing, comprise cylindrical piece, cylindrical piece outer face has the circular hole concaved, and the end face of circular hole has the through hole four concaved, the diameter of circular hole and the diameter matches of rotation axis two, cylindrical piece is screwed at through hole two place and O-ring seal is pressed on the inner face of circular hole.The utility model smart structural design, rationally, to be worthy of popularization.
Description
Technical field
The utility model relates to a kind of device for detecting sealability, especially a kind of condenser for condenser, evaporator sealing propertytest, evaporator air pressure leakage detection instrument and jointing.
Background technology
At present, for condenser, the leak detection way of evaporator is generally a condenser, entrance point on evaporator passes into gas, condenser, the endpiece plug of evaporator is blocked, the condenser being connected with gas, evaporator is put in water, see if there is bubble to produce, if have bubble to produce condenser is described, the leakproofness of evaporator has problem (namely defective), otherwise there is no bubble, illustrate no problem (namely qualified), but, this detection mode not only needs to consume a large amount of water (because water must be limpid to observe, so need ceaselessly to change clean water in aqua storage tank), and detecting reliability also has problems, because be the condenser needing manual observation to pass into certain pressure gas, whether evaporator has bubble to produce, so have certain misjudgement, some trickleer condenser, evaporator leak point, manually be difficult to observe, the situation of false retrieval is often caused to occur, it is qualified that underproof product is also detected as, underproof product is caused to flow in client, manufacturing enterprise's prestige is caused to reduce, great loss is caused to enterprise.
Chinese utility model patent CN201397218Y discloses a kind of condenser, evaporator leak test plant, this condenser or evaporator leak test plant are provided with at least one leak detection circuit, every bar leak detection circuit includes the gas filling valve to measured piece inflation, pressure transducer and air release is provided with between gas filling valve outlet and measured piece, pressure transducer and the electrical connection of pressure digital displaying meter, each bar leak detection lines in parallel is arranged, the inflow point of each bar leak detection circuit is provided with a total bleed pressure sensor, and total bleed pressure sensor is connected with total bleed pressure digital displaying meter; This condenser, evaporator leak test plant do not introduce the connection matching relationship of leak test plant and condenser, evaporator because only have leak test plant and the entrance point of condenser, evaporator airtight do not reveal be connected can accurately detect condenser, whether evaporator has leak point.
Utility model content
The utility model will solve the shortcoming of above-mentioned prior art, there is provided a kind of air pressure that can utilize precisely to detect condenser, the condenser of evaporator sealing, evaporator air pressure leakage detection instrument and jointing, meeting manufacturing enterprise can fast, accurately, whether condenser, evaporator has the demand of leak point (i.e. substandard product) to low the detecting of cost.
The utility model solves the technical scheme that its technical matters adopts: this condenser, evaporator air pressure leakage detection instrument, comprise pedestal, pedestal is fixed with the bearing one vertically placed, the inner ring of bearing one is fixed with rotation axis one, the center of rotation axis one has through hole one and the through hole two of two coaxial intercommunications settings, the diameter of through hole one is less than through hole two, through hole one place is fixed with the coaxial bearing two arranged with through hole one, the inner ring of bearing two is fixed with rotation axis two, the center of rotation axis two has through hole three, through hole three medial extremity is fixed with the snorkel be in communication with the outside, the outside of snorkel is provided with the tensimeter connected with snorkel, air release, sealed valve, the outer face of rotation axis two is provided with O-ring seal.This condenser, rotation axis two in evaporator air pressure leakage detection instrument is fixed on the inner ring of bearing two, so when rotation axis one rotates, rotation axis two can not and then rotate, again because the medial extremity of through hole three is fixed with the snorkel be in communication with the outside, so air can be passed into by snorkel, here tensimeter can observe the force value passing into gas, here the combination of tensimeter and sealed valve can after ventilation terminates, close sealed valve, whether the numerical value on observation tensimeter changes, just can assert if changed, condenser, evaporator has leak source (namely product is defective), do not need to utilize water to carry out direct observe and decide, like this can using water wisely, reduce enterprise cost, detect and terminate the rear air release that utilizes the air discharge in condenser, evaporator.
Perfect further, the inner side outer circumference surface of rotation axis one is fixed with one group of tooth, this group of tooth is uniform along rotation axis one center arranges composition gear one, and pedestal is fixed with drive motor, the rotating shaft of drive motor is fixed with gear two, gear two is engaged on gear one.This set, can utilize drive motor to drive rotation axis one rotation.
Perfect further, tensimeter is digital pressure control table, sealed valve, air release are electrically operated valve, the torsional forces sensor of interlock is installed between gear two and drive motor rotating shaft, pedestal is fixed with PLC, the sidepiece of PLC is fixed with switch one and switch two, tensimeter, air release, sealed valve, torsional forces sensor, switch one, switch two all with PLC connection.Here PLC is programmable logic controller (PLC) general on the market, can select the brands such as Mitsubishi PLC general on the market, Schneider PLC, still Nikon Unitronics, Delta PLC and Matsushita PLC; In addition, the program setting of this PLC is basically identical with the setting means principle passed through on the market, and those of ordinary skill can require sets itself programmed instruction, convenient and swift according to throughput, force value etc.; This set, PLC is utilized to control the throughput of snorkel, when reaching certain throughput, sealed valve is utilized to close snorkel, because tensimeter be here digital pressure control table and with PLC connection, analyze so the pressure delta data in condenser, evaporator can pass in PLC in real time, manometric data show in real time simultaneously, PLC controls the operation of air release, sealed valve and drive motor according to the data of manometric data and torsional forces sensor, easy and simple to handle, be easy to observe; Torsional forces sensor used herein is the universal product on the market, can select the product of the company such as Beijing Science and Technology Ltd. of ACE Semi of Air China, energy instrumental technique company limited of Beijing China and Sweden.
This jointing on condenser, evaporator air pressure detecting instrument, comprise cylindrical piece, cylindrical piece outer face has the circular hole concaved, the inner face of circular hole has the through hole four concaved, the diameter of circular hole and the diameter matches of rotation axis two, cylindrical piece is screwed at through hole two place and O-ring seal is pressed on the inner face of circular hole.Here jointing be fixed on condenser, evaporator entrance point and for special cooperation the with condenser, evaporator air pressure leakage detection instrument, here the rotation axis two in condenser, evaporator air pressure leakage detection instrument is engaged in circular hole, namely the effect of the airtight through hole four of rotation axis two can be utilized, condenser, the overall guide effect of evaporator air pressure leakage detection instrument can be played again, guide rotation axis one to be threaded to be fastened on cylindrical piece, thus the effect of airtight jointing can be played; Here the setting of bearing two inner ring fixed bias circuit two, when rotation axis one can be made to rotate, rotation axis two keeps motionless and is inserted in the circular hole of jointing, rotation axis two and O-ring seal is made to be pressed on circular hole inner face, ensure that O-ring seal is unlikely to rotatably compress circular hole inner, and the situation of wearing and tearing when causing O-ring seal easily to rotatably compress occurs, also be the rotary motion avoiding snorkel simultaneously, ensure the leakproofness between snorkel and rotation axis two, thus ensure that the sealing that jointing and condenser, evaporator air pressure are stopped leakage in the roof between instrument.
The effect that the utility model is useful is: the utility model smart structural design, rationally, utilize jointing and condenser, evaporator air pressure leakage detection instrument with the use of, PLC can be utilized accurately to control gas and to be passed into condenser, in evaporator, recycle manometric numerical value change to observe detection condenser, whether evaporator has leak point, here PLC detects condenser, whether evaporator has the principle of leakage to be: passing into air to condenser, in evaporator, control to close sealed valve, see whether the numerical value of manometric Real-time Feedback changes, so just condenser can be judged, whether evaporator has leakage point, be easy to operation, be worthy of popularization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of condenser in the utility model, evaporator air pressure leakage detection instrument;
Fig. 3 is the structural representation that jointing of the present utility model is arranged on condenser, evaporator air pressure leakage detection instrument;
Fig. 4 is the a-quadrant partial enlarged drawing of Fig. 2.
Description of reference numerals: pedestal 1, bearing 1, rotation axis 1, through hole one 3-1, through hole two 3-2, gear one 3-3, bearing 24, rotation axis 25, through hole three 5-1, snorkel 6, tensimeter 7, sealed valve 8, O-ring seal 9, drive motor 10, gear 2 11, torsional forces sensor 12, PLC 13, switch 1, switch 2 15, cylindrical piece 16, circular hole 16-1, through hole four 16-2, air release 17.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to accompanying drawing: this condenser, evaporator air pressure leakage detection instrument, comprise pedestal 1, pedestal 1 is fixed with the bearing 1 vertically placed, the inner ring of bearing 1 is fixed with rotation axis 1, the center of rotation axis 1 has through hole one 3-1 and through hole two 3-2 of two coaxial intercommunications settings, the diameter of through hole one 3-1 is less than through hole two 3-2, through hole one 3-1 place is fixed with the bearing 24 coaxially arranged with through hole one 3-1, the inner ring of bearing 24 is fixed with rotation axis 25, the center of rotation axis 25 has through hole three 5-1, through hole three 5-1 medial extremity is fixed with the snorkel 6 be in communication with the outside, the outside of snorkel 6 is provided with the tensimeter 7 connected with snorkel 6, air release 17, and sealed valve 8, the outer face of rotation axis 25 is provided with O-ring seal 9.
Inside rotation axis 1, outer circumference surface is fixed with gear one 3-3 of one group of tooth along the uniform setting in rotation axis 1 center, pedestal 1 is fixed with drive motor 10, the rotating shaft of drive motor 10 is fixed with gear 2 11, gear 2 11 is engaged on gear one 3-3.
Tensimeter 7 is digital pressure control table, air release 17, sealed valve 8 are electrically operated valve, the torsional forces sensor 12 of interlock is installed between gear 2 11 and drive motor 11 rotating shaft, pedestal 1 is fixed with PLC 13, the sidepiece of PLC 13 is fixed with switch 1 and switch 2 15, tensimeter 7, air release 17, sealed valve 8, torsional forces sensor 12, switch 1, switch 2 15 all with PLC 13 connection.
This jointing on condenser, evaporator air pressure leakage detection instrument, comprise cylindrical piece 16, cylindrical piece 16 outer face has the circular hole 16-1 concaved, the inner face of circular hole 16-1 has through hole four 16-2 concaved, the diameter of circular hole 16-1 and the diameter matches of rotation axis 25, cylindrical piece 16 is screwed at through hole two 3-2 place and O-ring seal 9 is pressed on the inner face of circular hole 16-1.
Here PLC 13 selects Schneider PLC, here condenser, the principle of work of evaporator air pressure leakage detection instrument and jointing is: condenser, rotation axis 25 on evaporator air pressure leakage detection instrument aims at circular hole 16-1, first using rotation axis 25 as condenser, the guide member of evaporator air pressure leakage detection instrument is inserted in circular hole 16-1, until the end face of rotation axis 1 leans against on the end face of cylindrical piece 16, at this moment Push switch 1, PLC 13 starts and controls drive motor 10 and rotates thus drive rotation axis 1 to rotate, and then drive rotation axis 1 to be threaded into cylindrical piece 16 place and drive rotation axis 25 to move in circular hole 16-1 simultaneously, until rotation axis 25 is pressed on the inner face of circular hole 16-1, whether drive motor 10 quits work again (judges that rotation axis 25 has been pressed to the inner face place of circular hole 16-1, the specified torque power numerical value passing to PLC 13 according to torsional forces sensor 12 is only needed to stop the rotation of drive motor 10), at this moment, program one in PLC 13 stops, Push switch 2 15 again, program two in PLC 13 is opened, PLC 13 can control sealed valve 8 and open, pressure-air (can nitrogen be selected) by snorkel 6, through hole three 5-1, through hole four 16-2 passes into arrival condenser, in the cavity of evaporator, be passed into condenser, when air pressure value in evaporator cavities reaches 3Mp, control to close sealed valve 8, the time keeping force value is one minute, whether the pressure value observed on tensimeter changes, and (as changed, pressure value illustrates that product has leakage point, namely defective, as do not changed, pressure value illustrates that product does not have leak point, namely product is qualified), then PLC 13 controls air release 17 Exhaust Gas again, and then drive motor 10 drives rotation axis 1 to reverse, thus make condenser, evaporator air pressure leakage detection instrument entirety is deviate from from jointing, as next condenser, evaporator need be measured, only need repetition above-mentioned steps.
Although the utility model has illustrated by reference to preferred embodiment and has described, those skilled in the art should understand, and in the scope of claims, can do the various change in form and details.
Claims (4)
1. a condenser, evaporator air pressure leakage detection instrument, comprise pedestal (1), it is characterized in that: described pedestal (1) is fixed with the bearing one (2) vertically placed, the inner ring of described bearing one (2) is fixed with rotation axis one (3), the center of described rotation axis one (3) has through hole one (3-1) and the through hole two (3-2) of two coaxial intercommunications settings, the diameter of described through hole one (3-1) is less than through hole two (3-2), described through hole one (3-1) place is fixed with the coaxial bearing two (4) arranged with through hole one (3-1), the inner ring of described bearing two (4) is fixed with rotation axis two (5), the center of described rotation axis two (5) has through hole three (5-1), described through hole three (5-1) medial extremity is fixed with the snorkel (6) be in communication with the outside, the outside of described snorkel (6) is provided with the tensimeter (7) connected with snorkel (6), air release (17), sealed valve (8), ,
The outer face of described rotation axis two (5) is provided with O-ring seal (9).
2. condenser according to claim 1, evaporator air pressure leakage detection instrument, it is characterized in that: described rotation axis one (3) inner side outer circumference surface is fixed with one group of tooth, this group of tooth is uniform along rotation axis one (3) center arranges composition gear one (3-3), described pedestal (1) is fixed with drive motor (10), the rotating shaft of described drive motor (10) is fixed with gear two (11), described gear two (11) is engaged on gear one (3-3).
3. condenser according to claim 1, evaporator air pressure leakage detection instrument, it is characterized in that: described tensimeter (7) is digital pressure control table, described sealed valve (8), air release (17) is electrically operated valve, the torsional forces sensor (12) of interlock is installed between described gear two (11) and drive motor (11) rotating shaft, described pedestal (1) is fixed with PLC (13), the sidepiece of described PLC (13) is fixed with switch one (14) and switch two (15), described tensimeter (7), sealed valve (8), air release (17), torsional forces sensor (12), switch one (14), switch two (15) all with PLC (13) connection.
4. one kind for the condenser described in claim 1-3 any one, jointing on evaporator air pressure leakage detection instrument, comprise cylindrical piece (16), it is characterized in that: described cylindrical piece (16) outer face has the circular hole (16-1) concaved, the inner face of described circular hole (16-1) has the through hole four (16-2) concaved, the diameter of described circular hole (16-1) and the diameter matches of rotation axis two (5), described cylindrical piece (16) is screwed at through hole two (3-2) place and O-ring seal (9) is pressed on the inner face of circular hole (16-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753609.6U CN204944773U (en) | 2015-09-25 | 2015-09-25 | Condenser, evaporator air pressure leakage detection instrument and jointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753609.6U CN204944773U (en) | 2015-09-25 | 2015-09-25 | Condenser, evaporator air pressure leakage detection instrument and jointing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204944773U true CN204944773U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520753609.6U Expired - Fee Related CN204944773U (en) | 2015-09-25 | 2015-09-25 | Condenser, evaporator air pressure leakage detection instrument and jointing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204944773U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973534A (en) * | 2016-06-23 | 2016-09-28 | 刘滕军 | Automatic leakage detection device for hanging evaporator |
| CN106124127A (en) * | 2016-06-23 | 2016-11-16 | 刘滕军 | Automatic leakage detection device for rail-mounted evaporator |
| CN112098013A (en) * | 2020-09-17 | 2020-12-18 | 徐州阿马凯液压技术有限公司 | Air tightness test detection system suitable for plate type hydraulic multi-way valve and operation method thereof |
-
2015
- 2015-09-25 CN CN201520753609.6U patent/CN204944773U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973534A (en) * | 2016-06-23 | 2016-09-28 | 刘滕军 | Automatic leakage detection device for hanging evaporator |
| CN106124127A (en) * | 2016-06-23 | 2016-11-16 | 刘滕军 | Automatic leakage detection device for rail-mounted evaporator |
| CN112098013A (en) * | 2020-09-17 | 2020-12-18 | 徐州阿马凯液压技术有限公司 | Air tightness test detection system suitable for plate type hydraulic multi-way valve and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160106 Termination date: 20190925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |