CN203385825U - Dropping device and leakage-resistance trace tester with dropping device - Google Patents
Dropping device and leakage-resistance trace tester with dropping device Download PDFInfo
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- CN203385825U CN203385825U CN201320429204.8U CN201320429204U CN203385825U CN 203385825 U CN203385825 U CN 203385825U CN 201320429204 U CN201320429204 U CN 201320429204U CN 203385825 U CN203385825 U CN 203385825U
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- dropping
- dropping liquid
- dropper
- protective cover
- test
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Abstract
The utility model discloses a dropping device which comprises a dropping body of a hollow structure and a dropping syringe. The hollow structure forms a dropping cavity, the dropping syringe is connected with the bottom of the dropping body and communicated with the dropping cavity, and a liquid inlet for adding dropping liquid is formed at the top of the dropping body. The dropping device also comprises a protection apparatus which comprises a protective cover of a hollow structure, wherein the protective cover is sleeved on the dropping body and seals the liquid inlet, so that foreign materials especially black cut tobacco generated during test cannot enter the dropping cavity via the liquid inlet, thereby solving the technical problems that in the prior art the black cut tobacco obstruct the dropping syringe and pollute the dropping liquid in the dropping cavity, ensuring that test is smoothing carried out, improving accuracy of test results, reducing the times of cleaning, and guaranteeing performance stability of the dropping device. In addition, the utility model also discloses a leakage-resistance trace tester with the dropping device.
Description
Technical field
The utility model relates to a kind of dropper for dropping liquid, relates in particular to a kind of for sealable dropper and anti creepage trace tester.
Background technology
Electric equipment products in use, because the pollution of environment causes the insulating material surface to have dirt, moisture to produce electric leakage, bring out thus corrosion, thereby damage insulating property, therefore people have designed the anti creepage trace tester electric property of insulating material have been tested, the anti creepage trace tester be mainly the simulated domestic electric equipment products in actual use the opposed polarity live part whether cause insulating material surface creepage, puncture short and hazard of catch fire and designed at the conductive materials of insulating material surface deposition; Therefore, the anti creepage trace test is whether a kind of accelerated test of analogous pole mal-condition can form tracking with the check insulating material, thereby can distinguish at short notice the ability of the anti-creepage trace of solid insulating material, guarantee the use safety of product under certain environmental conditions.
Along with people are more and more higher to the safety and reliability requirement of electric equipment products, with people's closely bound up various electric equipment products of living, be subject under high voltage and filthy wet environment, its security particularly people is paid attention to, at present, a lot of large-scale electric appliances plants require the copper clad plate used also must possess excellent proof tracking, usually also by the anti creepage trace tester, test the proof tracking of copper clad plate.
Existing anti creepage trace tester mainly comprises base and is fixed in the fixed support on described base, test platform and electrode assembly, two electrodes of described electrode assembly are symmetrical set and are positioned at the top of described test platform, form test section between the contact of two described electrodes, described dropper is installed on described fixed support, described dropper comprises dropping liquid body and dropping liquid needle tubing, described dropping liquid body is hollow structure, described hollow structure forms drip chamber, described dropping liquid needle tubing is connected in the bottom of described dropping liquid body and is communicated with described drip chamber, the top of described dropping liquid body is offered for installing the liquid inlet of dropping liquid additional, during test, specimen is layed on test platform, apply certain voltage between two electrodes, and the drip conducting liquid of standard solution drop volume of the dropping liquid needle tubing by dropper, thereby the anti-electric leakage performance (be mainly comparative tracking index (CT1) and anti-electric trace index (PT1)) of specimen under electric field and humidity or pollution medium synergy.Owing to being tested, particularly under high voltage, during sample fails, can produce a large amount of floating skyborne black pipe tobaccos, these black pipe tobaccos will enter in drip chamber by liquid inlet, thereby cause to the obstruction of dropping liquid needle tubing with to the pollution of the dropping liquid in drip chamber, thus cause test can't carry out or test result inaccurate; Separately, disassemble the cleaning dropper, also difficulty cleans up, and whole dropper is by solenoid control, and dismounting also has a great impact the stability of dropper frequently, thereby causes test result inaccurate.
Therefore, need badly and a kind ofly can prevent that foreign material from entering the dropper in drip chamber.
The utility model content
The purpose of this utility model is to provide a kind of can prevent that foreign material from entering the dropper in drip chamber.
Another purpose of the present utility model is to provide a kind of can prevent that foreign material from entering the anti creepage trace tester in drip chamber.
For achieving the above object, the utility model provides a kind of dropper, this dropper is applicable to provide for the anti creepage trace test dropping liquid of test use, described dropper comprises dropping liquid body and dropping liquid needle tubing, described dropping liquid body is hollow structure, described hollow structure forms drip chamber, described dropping liquid needle tubing is connected in the bottom of described dropping liquid body and is communicated with described drip chamber, the top of described dropping liquid body is offered for installing the liquid inlet of dropping liquid additional, wherein, also comprise protective device, described protective device comprises the protective cover that is hollow structure, described protective cover is sheathed on described dropping liquid body and seals described liquid inlet.
Preferably, described protective device also comprises valve, and described valve installation is in the top of described protective cover and over against described liquid inlet, and while opening described valve, described liquid inlet is in communication with the outside, and while closing described valve, described liquid inlet is sealed; When needs when installing dropping liquid additional in drip chamber; need not take protective cover away from the dropping liquid body, can expose liquid inlet by the valve of opening protective cover, thereby install dropping liquid by liquid inlet additional in drip chamber; convenient and swift and practical, effectively raise work efficiency.
Preferably, described protective cover is transparent configuration; When needs are observed the duty of dropping liquid body; need not take protective cover away from the dropping liquid body; just can observe intuitively in real time the duty of dropping liquid body by the protective cover that is transparent configuration, convenient and swift and more be beneficial to the duty of timely grasp dropping liquid body.
Preferably, the sidewall of described protective cover offers the observation panel that is vertical; When needs are observed the duty of dropping liquid body; need not take protective cover away from the dropping liquid body; observation panel by protective cover just can be observed the duty of dropping liquid body in real time intuitively, convenient and swift and more be beneficial to the duty of timely grasp dropping liquid body.
The anti creepage trace tester that the utility model provides, it comprises dropper, base and be fixed in the fixed support on described base, test platform and electrode assembly, two electrodes of described electrode assembly are symmetrical set and are positioned at the top of described test platform, form test section between the contact of two described electrodes, described dropper is installed on described fixed support, wherein, described dropper comprises the dropping liquid body, dropping liquid needle tubing and protective device, described dropping liquid body is hollow structure, described hollow structure forms drip chamber, described dropping liquid needle tubing is connected in the bottom of described dropping liquid body and is communicated with described drip chamber, described dropping liquid needle tubing is positioned at the top of described test platform and over against described test section, the top of described dropping liquid body is offered for installing the liquid inlet of dropping liquid additional, described protective device comprises the protective cover that is hollow structure, described protective cover is sheathed on described dropping liquid body and seals described liquid inlet.
Preferably, the two described electrodes distribution that is in the shape of the letter V.
Preferably, described electrode assembly comprises electrode suppor, and described electrode suppor is fixed on described base, and described electrode is installed on described electrode suppor.
Compared with prior art, because dropper of the present utility model has protective device, described protective device comprises the protective cover that is hollow structure, described protective cover is sheathed on described dropping liquid body and seals described liquid inlet, thereby the black pipe tobacco produced while making foreign material especially test, can't enter in drip chamber by liquid inlet, having solved black pipe tobacco etc. in the prior art causes to the obstruction of dropping liquid needle tubing with to the technical matters of the pollution of the dropping liquid in drip chamber, that has guaranteed test carries out and has improved the accuracy of test result smoothly, simultaneously, also reduced greatly the number of times that cleans dropper, guaranteed the stability of dropper performance, further improved the accuracy of test result.
The accompanying drawing explanation
Fig. 1 is the structural representation of the protective cover of the utility model dropper.
Fig. 2 is the structural representation that anti creepage trace tester of the present utility model separates with protective cover.
Fig. 3 is the structural representation that anti creepage trace tester of the present utility model is combined with protective cover.
Fig. 4 is the structural representation of another angle of Fig. 3.
Embodiment
With reference now to accompanying drawing, describe embodiment of the present utility model, in accompanying drawing, similar element numbers represents similar element.
As shown in Figures 1 and 2, dropper 10 of the present utility model is applicable to provide for the anti creepage trace test dropping liquid of test use, described dropper 10 comprises dropping liquid body 11 and dropping liquid needle tubing 12, described dropping liquid body 11 is hollow structure, described hollow structure forms drip chamber 13, described dropping liquid needle tubing 12 is connected in the bottom 11a of described dropping liquid body 11 and is communicated with described drip chamber 13, the top 11b of described dropping liquid body 11 offers the liquid inlet 14 for installing dropping liquid additional, described dropper 10 also comprises protective device, described protective device comprises the protective cover 15 that is hollow structure, described protective cover 15 is sheathed on described dropping liquid body 11 and seals described liquid inlet 14, because described protective cover 15 is sheathed on described dropping liquid body 11 and seals described liquid inlet 14, thereby the black pipe tobacco produced while making foreign material especially test, can't enter in drip chamber 13 by liquid inlet 14, having solved black pipe tobacco in the prior art etc. causes to the obstruction of dropping liquid needle tubing 12 with to the technical matters of the pollution of the dropping liquid in drip chamber 13, that has guaranteed test carries out and has improved the accuracy of test result smoothly, simultaneously, also reduced greatly the number of times that cleans dropper 10, guaranteed the stability of dropper 10 performances, further improved the accuracy of test result.
Continuation is in conjunction with shown in Fig. 3 and Fig. 4, anti creepage trace tester 100 of the present utility model, comprise dropper 10, base 20 and be fixed in the fixed support 30 on described base 20, test platform 40 and electrode assembly 50, two electrodes 51 of described electrode assembly 50 are symmetrical set and are positioned at the top of described test platform 40, form test section between the contact 52 of two described electrodes 51, described dropper 10 is installed on described fixed support 30, wherein, described dropper 10 comprises dropping liquid body 11, dropping liquid needle tubing 12 and protective device, described dropping liquid body 11 is hollow structure, described hollow structure forms drip chamber 13, described dropping liquid needle tubing 12 is connected in the bottom 11a of described dropping liquid body 11 and is communicated with described drip chamber 13, described dropping liquid needle tubing 12 is positioned at the top of described test platform 40 and over against described test section, the top 11b of described dropping liquid body 11 offers the liquid inlet 14 for installing dropping liquid additional, described protective device comprises the protective cover 15 that is hollow structure, described protective cover 15 is sheathed on described dropping liquid body 11 and seals described liquid inlet 14, because described protective cover 15 is sheathed on described dropping liquid body 11 and seals described liquid inlet 14, thereby the black pipe tobacco produced while making foreign material especially test, can't enter in drip chamber 13 by liquid inlet 14, having solved black pipe tobacco in the prior art etc. causes to the obstruction of dropping liquid needle tubing 12 with to the technical matters of the pollution of the dropping liquid in drip chamber 13, that has guaranteed anti creepage trace tester of the present utility model 100 tests carries out and has improved the accuracy of test result smoothly, simultaneously, also reduced greatly the number of times that cleans dropper 10, guaranteed the stability of dropper 10 performances, further improved the accuracy of test result, particularly, the distribution that is in the shape of the letter V of two described electrodes 51, the electrode 51 that the V font distributes more is beneficial to specimen is carried out to testing electrical property, separately, described electrode assembly 50 comprises electrode suppor 53, and described electrode 51 supports are fixed on described base, and described electrode 51 is installed on described electrode suppor 53, by 53 pairs of electrodes 51 of described electrode suppor, is fixed, and makes electrode 51 more firmly and safety.Below continue in conjunction with Fig. 1-Fig. 4, the utility model dropper 10 and anti creepage trace tester 100 with this dropper 10 be further described:
The preferably, described protective device also comprises valve 16, described valve 16 is installed on the top of described protective cover 15 and, over against described liquid inlet 14, while opening described valve 16, described liquid inlet 14 is in communication with the outside, and while closing described valve 16, described liquid inlet 14 is sealed; When needs when installing dropping liquid additional in drip chamber 13; need not take protective cover 15 away from dropping liquid body 11, by the valve 16 of opening protective cover 15, can expose liquid inlet 14, thus by liquid inlet 14 toward 13 installing dropping liquid additional in drip chamber; convenient and swift and practical, effectively raise work efficiency.
The preferably, described protective cover 15 is transparent configuration; When needs are observed the duty of dropping liquid body 11; need not take protective cover 15 away from dropping liquid body 11; just can observe intuitively in real time the duty of dropping liquid body 11 by the protective cover 15 that is transparent configuration, convenient and swift and more be beneficial to the duty of timely grasp dropping liquid body.
The preferably, the sidewall of described protective cover offers the observation panel 15a that is vertical; When needs are observed the duty of dropping liquid body 11; need not take protective cover 15 away from dropping liquid body 11; observation panel 15a by protective cover 15 just can observe the duty of dropping liquid body 11 in real time intuitively, convenient and swift and more be beneficial to the duty of timely grasp dropping liquid body 11.
Known in conjunction with Fig. 1-Fig. 4, because dropper 10 of the present utility model and anti creepage trace tester 100 with this dropper 10 have protective device, and described protective device comprises the protective cover 15 that is hollow structure, described protective cover 15 is sheathed on described dropping liquid body 11 and seals described liquid inlet 14, thereby the black pipe tobacco produced while making foreign material especially test, can't enter in drip chamber 13 by liquid inlet 14, having solved black pipe tobacco in the prior art etc. causes to the obstruction of dropping liquid needle tubing 12 with to the technical matters of the pollution of the dropping liquid in drip chamber 13, that has guaranteed test carries out and has improved the accuracy of test result smoothly, simultaneously, also reduced greatly the number of times that cleans dropper 10, guaranteed the stability of dropper 10 and anti creepage trace tester 100 performances, further improved the accuracy of test result.
Separately, the principle of work of the concrete structure of the dropping liquid body 11 that the utility model is related and principle of work and dropper 10 and anti creepage trace tester 100, be well known to those of ordinary skill in the art, at this, no longer is described in detail.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belong to the scope that the utility model is contained.
Claims (7)
1. a dropper, be applicable to provide for the anti creepage trace test dropping liquid of test use, described dropper comprises dropping liquid body and dropping liquid needle tubing, described dropping liquid body is hollow structure, described hollow structure forms drip chamber, described dropping liquid needle tubing is connected in the bottom of described dropping liquid body and is communicated with described drip chamber, the top of described dropping liquid body is offered for installing the liquid inlet of dropping liquid additional, it is characterized in that: also comprise protective device, described protective device comprises the protective cover that is hollow structure, described protective cover is sheathed on described dropping liquid body and seals described liquid inlet.
2. dropper as claimed in claim 1; it is characterized in that: described protective device also comprises valve; described valve installation is in the top of described protective cover and over against described liquid inlet, and while opening described valve, described liquid inlet is in communication with the outside, and while closing described valve, described liquid inlet is sealed.
3. dropper as claimed in claim 1, it is characterized in that: described protective cover is transparent configuration.
4. as the dropper of claim 1 prime number, it is characterized in that: the sidewall of described protective cover offers the observation panel that is vertical.
5. an anti creepage trace tester, comprise dropper, base and be fixed in fixed support, test platform and the electrode assembly on described base, two electrodes of described electrode assembly are symmetrical set and are positioned at the top of described test platform, form test section between the contact of two described electrodes, described dropper is installed on described fixed support, it is characterized in that: described dropper is as described in any one in claim 1-4, and described dropping liquid needle tubing is positioned at the top of described test platform and over against described test section.
6. anti creepage trace tester as claimed in claim 5 is characterized in that: the distribution that is in the shape of the letter V of two described electrodes.
7. anti creepage trace tester as claimed in claim 5, it is characterized in that: described electrode assembly comprises electrode suppor, and described electrode suppor is fixed on described base, and described electrode is installed on described electrode suppor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320429204.8U CN203385825U (en) | 2013-07-18 | 2013-07-18 | Dropping device and leakage-resistance trace tester with dropping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320429204.8U CN203385825U (en) | 2013-07-18 | 2013-07-18 | Dropping device and leakage-resistance trace tester with dropping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203385825U true CN203385825U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320429204.8U Expired - Fee Related CN203385825U (en) | 2013-07-18 | 2013-07-18 | Dropping device and leakage-resistance trace tester with dropping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203385825U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869205A (en) * | 2014-02-11 | 2014-06-18 | 国家电网公司 | Spraying electric mark resistance test device |
| CN104569757A (en) * | 2014-12-30 | 2015-04-29 | 广东生益科技股份有限公司 | CTI testing method and device |
| CN110058129A (en) * | 2018-11-07 | 2019-07-26 | 深圳供电局有限公司 | Method and device for testing tracking resistance of insulating material |
| CN110703053A (en) * | 2019-10-23 | 2020-01-17 | 广东优科检测技术服务有限公司 | Dropping device and leakage tracking testing machine adopting same |
-
2013
- 2013-07-18 CN CN201320429204.8U patent/CN203385825U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869205A (en) * | 2014-02-11 | 2014-06-18 | 国家电网公司 | Spraying electric mark resistance test device |
| CN103869205B (en) * | 2014-02-11 | 2017-05-10 | 国家电网公司 | Spraying electric mark resistance test device |
| CN104569757A (en) * | 2014-12-30 | 2015-04-29 | 广东生益科技股份有限公司 | CTI testing method and device |
| CN104569757B (en) * | 2014-12-30 | 2019-09-20 | 广东生益科技股份有限公司 | A kind of CTI test method and device |
| CN110058129A (en) * | 2018-11-07 | 2019-07-26 | 深圳供电局有限公司 | Method and device for testing tracking resistance of insulating material |
| CN110058129B (en) * | 2018-11-07 | 2021-09-28 | 深圳供电局有限公司 | Method and device for testing tracking resistance of insulating material |
| CN110703053A (en) * | 2019-10-23 | 2020-01-17 | 广东优科检测技术服务有限公司 | Dropping device and leakage tracking testing machine adopting same |
| CN110703053B (en) * | 2019-10-23 | 2022-02-18 | 广东优科检测技术服务有限公司 | Dropping device and leakage tracking testing machine adopting same |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20210718 |