CN206627254U - Vacuum leak detector - Google Patents

Vacuum leak detector Download PDF

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Publication number
CN206627254U
CN206627254U CN201720339237.1U CN201720339237U CN206627254U CN 206627254 U CN206627254 U CN 206627254U CN 201720339237 U CN201720339237 U CN 201720339237U CN 206627254 U CN206627254 U CN 206627254U
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CN
China
Prior art keywords
vacuum
vacuum tank
leak detector
vavuum pump
tank
Prior art date
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CN201720339237.1U
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Chinese (zh)
Inventor
欧阳帆
张金山
王景阳
杨俊玺
朱刚宁
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RAFFLES POWER ELECTRONIC EQUIPMENT (SHENZHEN) CO Ltd
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RAFFLES POWER ELECTRONIC EQUIPMENT (SHENZHEN) CO Ltd
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Priority to CN201720339237.1U priority Critical patent/CN206627254U/en
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Abstract

The utility model provides a kind of vacuum leak detector, leak detection for test body, vavuum pump, the tracer air cavity and the connecting tube of the connection test body and the vacuum tank of the accommodating search gas of the alarm of detection search gas that the vacuum leak detector includes vacuum tank, is connected with the vacuum tank, are tightly connected between the connecting tube and the vacuum tank.Vacuum leak detector provided by the utility model, it is simple in construction, the seal of the test body of accommodating gas with various can be detected, and detection speed is very fast, operating efficiency is higher.

Description

Vacuum leak detector
Technical field
The utility model belongs to leakage detection apparatus technical field, is to be related to a kind of vacuum leak detector more specifically.
Background technology
Usually using sulfur hexafluoride (SF in large-scale substation, high-voltage electric power system6) etc. insulating gas insulation or go out Arc, so requiring higher to the sealing property of arc-chutes, need periodically to carry out sealing property test to arc-chutes, prevent insulating gas Leakage.Utilities Electric Co. uses SF at present6The Special leakage detectors such as leak detector are hunted leak to arc-chutes, and such Special leakage detector is only Corresponding leakage gas, such as SF can be detected6Leak detector can only detect SF6Leakage, increase the cost of Utilities Electric Co., and detect The time of gas leakage is longer, less efficient.
Utility model content
The purpose of this utility model is to provide a kind of vacuum leak detector, to solve special inspection present in prior art Leakage instrument can only detect corresponding single leakage gas, and its detection does not have the problem of universality.
To achieve the above object, the technical solution adopted in the utility model is:A kind of vacuum leak detector is provided, for surveying Try the leak detection of body, including vacuum tank, the vavuum pump being connected with the vacuum tank, the tracer air cavity of accommodating search gas, connection The alarm of the connecting tube and detection search gas of the test body and the vacuum tank, the alarm and the vacuum tank It is interconnected, is tightly connected between the connecting tube and the vacuum tank.
Further, the vavuum pump is located at the inner side of the vacuum tank, and is fixedly connected with the vacuum tank.
Further, the junction of the vavuum pump and the vacuum tank is provided with some flexible members.
Further, be provided with an air valve between the vacuum tank and the connecting tube, the vacuum tank and the air valve it Between be fixedly connected.
Further, it is the connection that is screwed between the vacuum tank and the air valve.
Further, the seal for being used for sealing the threaded connection is provided between the vacuum tank and the air valve.
Further, the alarm is provided with a light-emitting component turned on it, and the light-emitting component is embedded in described true On the outside of empty van.
Further, the light-emitting component is light emitting diode.
Further, the vacuum leak detector also includes the vacuum meter of the hull outside located at the vavuum pump, described Vacuum meter is connected with the vavuum pump.
The beneficial effect of vacuum leak detector provided by the utility model is:The utility model vacuum leak detector, will Test body is connected with vacuum tank, and the gas in test body and vacuum tank is discharged by vavuum pump, if test body has leak point, Search gas will enter in vacuum tank from leak point, so as to which alarm detects search gas and feeds back to inspector.With showing There is technology to compare, the vacuum leak detector can detect the leakage of any types gas, and detection efficiency is higher, reduce the time Cost.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation one for the vacuum leak detector that the utility model embodiment provides;
Fig. 2 is the structural representation two for the vacuum leak detector that the utility model embodiment provides;
Fig. 3 is the structural representation three for the vacuum leak detector that the utility model embodiment provides.
Wherein, each reference in figure:
1- vacuum tanks;2- vavuum pumps;3- alarms;4- connecting tubes;5- test bodies;6- flexible members;7- air valves;8- vacuum Meter;9- tracer air cavitys;31- light-emitting components.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position System, it is for only for ease of and describes the utility model and simplified description, rather than the device or element of instruction or hint meaning is necessary With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 3, now vacuum leak detector provided by the utility model is illustrated.Vacuum leak hunting Device, including vacuum tank 1, vavuum pump 2 and alarm 3, vacuum tank 1 are connected to form air duct with vavuum pump 2, alarm 3 For detecting search gas (not marked in figure), test body 5 is connected by connecting tube 4 with vacuum tank 1, vacuum tank 1 and connection It is sealed connection between pipe 4.The air in test body 5 and vacuum tank 1 is discharged using vavuum pump 2, test body 5 and vacuum tank 1 It is middle to form certain vacuum, then search gas is sprayed at around test body 5, if test body 5 has leakage point, tracer Gas can enter in test body 5 and vacuum tank 1 in the presence of the pressure differential, and alarm 3, which detects to give after search gas, to be fed back.
Vacuum leak detector provided by the utility model, the vacuum leak detector by vacuum tank 1 and are tested using vavuum pump 2 Air discharge in body 5, using the pressure difference outside the intracavitary of test body 5, search gas can enter test from the leak point of test body 5 The intracavitary of body 5, so as to detect that test body 5 has leak point by alarm 3.The vacuum leak detector is simple in construction, can detect The seal of the test body 5 of accommodating gas with various, and detection speed is very fast, operating efficiency is higher.
Further, referring to Fig. 1, a kind of specific embodiment party as vacuum leak detector provided by the utility model Formula, vavuum pump 2 are located at the inner side of vacuum tank 1, and vavuum pump 2 is fixedly connected with vacuum tank 1.Because vavuum pump 2 is located at vacuum tank 1 Inside, vavuum pump 2 are integral with vacuum tank 1, the portability enhancing of the vacuum leak detector.Meanwhile vavuum pump 2 and vacuum tank To be fixedly connected between 1, the stability of the enhancing operating of vavuum pump 2.Certainly, vavuum pump 2 can also be located at the outside of vacuum tank 1, and It is connected with vacuum tank, does not limit uniquely herein.
Further, referring to Fig. 1, a kind of specific embodiment party as vacuum leak detector provided by the utility model The junction of formula, vavuum pump 2 and vacuum tank 1 is provided with some flexible members 6.Vavuum pump 2 can produce constantly when running at high speed Vibrations, to ensure the stationarity of the operating of vavuum pump 2, the vacuum leak detector is provided with some between vacuum tank 1 and vavuum pump 2 Flexible member 6, reach certain damping effect.Certainly, also between vavuum pump 2 and vacuum tank 1 foam, air cushion etc. can be set to subtract Blanket ensures the steady operating of vavuum pump 2, does not limit uniquely herein.
Further, referring to Fig. 2, a kind of specific embodiment party as vacuum leak detector provided by the utility model Formula, an air valve 7 is provided between vacuum tank 1 and connecting tube 4, is fixedly connected between air valve 7 and vacuum tank 1.When testing initial, gas Valve 7 is closed, and the passage between vacuum tank 1 and test body 5 is closed, and vavuum pump 2 worked after a period of time, and vacuum tank 1 reaches vacuum State, air valve 7 is now opened, the gas in test body 5 is rapidly entered in vacuum tank 1, and same search gas can also pass through test Body 5 enters in vacuum tank 1.After increasing air valve 7 between vacuum tank 1 and connecting tube 4, the air in vacuum tank 1 need to only be extracted out After can quick detection test body 5 whether gas leakage, can effectively shorten detection time, improve the operating efficiency of the vacuum leak detector. Certainly, in other embodiment of the present utility model, also the higher vavuum pump of the operating efficiencies such as turbomolecular pump can be used to reduce Detection time, do not limit uniquely herein.
Further, referring to Fig. 2, a kind of specific embodiment party as vacuum leak detector provided by the utility model Formula, it is the connection (not marked in figure) that is screwed between air valve 7 and vacuum tank 1.The madial wall of vacuum tank 1 is provided with an internal thread, gas Valve 7 is provided with a hollow stud, and the internal thread of vacuum tank 1 is engaged with the stud of air valve 7, formed a fixed connection.Certainly, also may be used Elastic hose, such as rubber tube are set between air valve 7 and vacuum tank 1, realize the connection of air valve 7 and vacuum tank 1.
Further, referring to Fig. 2, a kind of specific embodiment party as vacuum leak detector provided by the utility model Formula, is provided with seal (not marked in figure) between vacuum tank 1 and air valve 7, seal is used to seal between vacuum tank 1 and air valve 7 Threaded connection.Seal is sheathed on the stud of air valve 7, and when test body 5 is installed on air valve 7, seal is compacted, real The sealed connection of existing vacuum tank 1 and air valve 7.Seal can be the compressible flexible members such as rubber seal, pad.Certainly, As the case may be and actual demand, in other embodiment of the present utility model, it is possible to use sealant tape etc. realizes vacuum The sealed connection of case 1 and air valve 7, is not limited uniquely herein.
Further, also referring to Fig. 1 to Fig. 3, one kind tool as vacuum leak detector provided by the utility model Body embodiment, alarm 3 are provided with a light-emitting component 31 turned on it, and light-emitting component 31 is located at the outside of alarm 3.Work as report When alert device 3 detects the helium in vacuum tank 1, light-emitting component 31 lights, and light-emitting component 31 is easy to examine located at the outside of alarm 3 Survey person observes inspection result.Certainly, according to actual conditions and real needs, in other embodiment of the present utility model, also may be used Inspection result is indicated using buzzer, loudspeaker etc., not limited uniquely herein.
Further, a kind of embodiment as vacuum leak detector provided by the utility model, light-emitting component 31 be light emitting diode, and light emitting diode is cheap, stable performance, and may indicate that different working conditions.For example, vavuum pump During 2 normal work, the green light of light emitting diode lights, when alarm 3 detects micro helium, the when red of light emitting diode Rise, by the difference of light emitting diode bright light color, judge the working condition of vacuum leak detector, it is easy to operate.
Further, referring to Fig. 3, a kind of specific embodiment party as vacuum leak detector provided by the utility model Formula, the vacuum leak detector also include the vacuum meter 8 located at the outside of vavuum pump 2, and vacuum meter 8 is connected with vavuum pump 2.Vacuum meter 8 are used to measure the vacuum in vacuum tank 1, in 2 continuous firing of vavuum pump, by measurement of the vacuum meter 8 to vacuum, hold The opportunity of search gas is sprayed, controls the detection progress of vacuum leak detector.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (9)

1. vacuum leak detector, the leak detection for test body, it is characterised in that:It is connected including vacuum tank, with the vacuum tank Vavuum pump, accommodating search gas tracer air cavity, the connection test body and the connecting tube of the vacuum tank and detection show The alarm of track gas, the alarm are interconnected with the vacuum tank, are sealed between the connecting tube and the vacuum tank Connection.
2. vacuum leak detector as claimed in claim 1, it is characterised in that:The vavuum pump is interior located at the vacuum tank Side, and be fixedly connected with the vacuum tank.
3. vacuum leak detector as claimed in claim 2, it is characterised in that:The junction of the vavuum pump and the vacuum tank Provided with some flexible members.
4. vacuum leak detector as claimed in claim 1, it is characterised in that:It is provided between the vacuum tank and the connecting tube One air valve, it is fixedly connected between the vacuum tank and the air valve.
5. vacuum leak detector as claimed in claim 4, it is characterised in that:It is screw thread between the vacuum tank and the air valve It is fixedly connected.
6. vacuum leak detector as claimed in claim 5, it is characterised in that:It is provided with and uses between the vacuum tank and the air valve In the seal for sealing the threaded connection.
7. vacuum leak detector as claimed in claim 1, it is characterised in that:The alarm is provided with one and lighted with what it was turned on Element, the light-emitting component are embedded in the outside of the vacuum tank.
8. vacuum leak detector as claimed in claim 7, it is characterised in that:The light-emitting component is light emitting diode.
9. the vacuum leak detector as described in claim any one of 1-8, it is characterised in that:Also include located at the vavuum pump The vacuum meter of hull outside, the vacuum meter are connected with the vavuum pump.
CN201720339237.1U 2017-03-31 2017-03-31 Vacuum leak detector Active CN206627254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720339237.1U CN206627254U (en) 2017-03-31 2017-03-31 Vacuum leak detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720339237.1U CN206627254U (en) 2017-03-31 2017-03-31 Vacuum leak detector

Publications (1)

Publication Number Publication Date
CN206627254U true CN206627254U (en) 2017-11-10

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Application Number Title Priority Date Filing Date
CN201720339237.1U Active CN206627254U (en) 2017-03-31 2017-03-31 Vacuum leak detector

Country Status (1)

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CN (1) CN206627254U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110441005A (en) * 2019-07-29 2019-11-12 国网福建省电力有限公司检修分公司 A kind of SF6 density monitor gas leakage device for fast detecting and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110441005A (en) * 2019-07-29 2019-11-12 国网福建省电力有限公司检修分公司 A kind of SF6 density monitor gas leakage device for fast detecting and method

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