CN207600911U - A kind of Dielectric Tester and its dropper - Google Patents
A kind of Dielectric Tester and its dropper Download PDFInfo
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- CN207600911U CN207600911U CN201721649533.8U CN201721649533U CN207600911U CN 207600911 U CN207600911 U CN 207600911U CN 201721649533 U CN201721649533 U CN 201721649533U CN 207600911 U CN207600911 U CN 207600911U
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- dropping liquid
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Abstract
The utility model is related to a kind of Dielectric Tester and its droppers.The dropper includes dropping liquid control device, fluid reservoir；The liquid storage pot bottom is sealed by bottom cover；The dropper further comprises adsorbent equipment, and the adsorbent equipment is set to the bottom of the capping and the test section of face Dielectric Tester testboard；Adsorbent equipment and the internal dropping liquid channel for being collectively defined as exporting the test fluid in fluid reservoir into perforation to Dielectric Tester testboard of capping.
Description
Technical field
The utility model is related to Dielectric Tester, especially a kind of Dielectric Tester and its dropper.
Background technology
Solid insulating material surface gradually forms the process of conductive path under the synergy of electric field and electrolyte, referred to as
Creepage trace.Tracking test be on solid insulating material surface, predetermined size (2mm × 5mm) platinum electrode it
Between, apply a certain voltage and the fixed height (35mm) of timing (30s) is dripped the conducting liquid of regulation droplet size, to evaluate solid
Resistance to electric leakage performance of the insulating materials surface under electric field and moist or pollution medium synergy, measures its comparative tracking index
(CT1) and resistance to electric trace index (PT1).Due to constantly having liquid gasification and the ashes of charing in use, in water
On the tube wall of minim pipette that steam easily condenses in dropper during rising, ash is attached on above the tube wall of minim pipette,
As steam constantly condenses, it is uneven to eventually lead to dropping liquid, and deviation occurs for drip position, influences test accuracy.It is surveyed to reduce
Error caused by dropping liquid unevenness and droplet position deviate caused by condensation vapor and ashes adhere to during examination, it is necessary to existing
The dropper of Dielectric Tester optimizes.
Utility model content
The technical issues of the utility model solves is：A kind of electric leakage Dielectric Tester is provided, was tested with reducing
Error caused by dropping liquid unevenness and droplet position deviate caused by condensation vapor and ashes adhere in journey, so as to improve instrument essence
Degree.
Another technical problem that the utility model solves is：A kind of dropping liquid dress for the Dielectric Tester that leaks electricity is provided
It puts, uneven and droplet position is caused to deviate caused error to reduce condensation vapor and ashes attachment in test process.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of Dielectric Tester is provided, including dropper and testboard；The dropper includes electromagnetic induction
Device, dropping liquid control device, fluid reservoir；The liquid storage pot bottom is sealed by bottom cover；The dropper further comprises
Adsorbent equipment, the adsorbent equipment are set to the bottom of the capping and the test section of face testboard；Adsorbent equipment and capping
Inside is collectively defined as exporting the test fluid in fluid reservoir the dropping liquid channel of perforation to testboard.
The adsorbent equipment is a kind of porous adsorbent；The porous adsorbent is by Carbon foam adsorption structure, activated carbon
One or more of adsorption structure, porous ceramics adsorption structure, porous resin adsorption structure, Bio-sil adsorption structure shape
Into.
Through-thickness forms channel inside the adsorbent equipment, and the adsorbent is radially prolongs along the channel outward
The annular solid of exhibition；The bottom surface of the annular solid correspondingly forms the annular plane of flattening；The annular plane of flattening face test section；It is described
The annular plane of flattening covers the ashes of test section generation and/or the volatilization area of vapor.
The dropping liquid channel includes being set to inside the capping and along the minim pipette that its thickness direction penetrates through, and tests liquid stream
Entrance is to be set to capping and towards the dropping liquid control mouth inside fluid reservoir, is located at the top of dropping liquid channel；Test fluid flows out
Mouth is the liquid droping port for the bottom surface face test section for being set to the adsorbent equipment, is located at the bottom end of dropping liquid channel.
The adsorbent equipment is wrapped in the outer wall of capping, and capping is inserted into the channel in porous adsorbent and runs through its thickness,
Expose liquid droping port in the bottom surface of adsorbent.
The adsorbent equipment is installed below the capping, inside the minim pipette and adsorbent equipment of the capping internal run-through
Channel connection dropping liquid channel is collectively formed；Extension or extended segment export of the channel as minim pipette inside the adsorbent equipment
Test fluid.
The dropping liquid control device is magnetic or metal spike, is inserted into fluid reservoir, top be located above fluid reservoir and
With electromagnetic induction device can magnetic suck cooperate with connecting or disconnecting, bottom end can extract the drop for removably blocking the capping
Hydraulic control donsole；The opening and closing of the electromagnetic induction device and dropping liquid control device cooperation control dropper.
The utility model also provides a kind of dropper of Dielectric Tester, including dropping liquid control device, fluid reservoir；
The liquid storage pot bottom is sealed by bottom cover；The dropper further comprises adsorbent equipment, the adsorbent equipment setting
In the bottom of the capping and the test section of face Dielectric Tester testboard；Adsorbent equipment and the internal common restriction of capping
For the test fluid in fluid reservoir to be exported to the dropping liquid channel of perforation to Dielectric Tester testboard.
The adsorbent equipment is a kind of porous adsorbent；The porous adsorbent is by Carbon foam adsorption structure, activated carbon
One or more of adsorption structure, porous ceramics adsorption structure, porous resin adsorption structure, Bio-sil adsorption structure shape
Into；Shape through-thickness forms channel inside the adsorbent equipment, and the adsorbent is the ring along channel radial extension outward
Body；The bottom surface of the annular solid correspondingly forms the annular plane of flattening；The annular plane of flattening face test section；The annular is prolonged
Developable surface covers the ashes of test section generation and/or the volatilization area of vapor；The dropping liquid channel includes being set in the capping
Portion and the minim pipette penetrated through along its thickness direction, test liquid flow inlet are to be set to capping and towards the dropping liquid control inside fluid reservoir
Donsole is located at the top of dropping liquid channel；It is the bottom surface face test section for being set to the adsorbent equipment to test fluid outlet
Liquid droping port is located at the bottom end of dropping liquid channel.
The adsorbent equipment is wrapped in the outer wall of capping, and capping is inserted into the channel in porous adsorbent and runs through its thickness,
Expose liquid droping port in the bottom surface of adsorbent；Or
The adsorbent equipment is installed below the capping, inside the minim pipette and adsorbent equipment of the capping internal run-through
Channel connection dropping liquid channel is collectively formed；Extension or extended segment export of the channel as minim pipette inside the adsorbent equipment
Test fluid.
By using above-mentioned technical proposal, the utility model obtains following advantageous effect：
The utility model by assembling adsorbent equipment in bottom cover bottom, the water vapour that generates during adsorption experiment and
Ashes avoid the problem that dropping liquid unevenness, drip position deviate caused by liquid droping port Water vapor condensation, ashes attachment, reduce
Test error.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the Dielectric Tester structure diagram of the utility model embodiment.
Fig. 2 is the floor map of the dropper partial structurtes of the Dielectric Tester of the utility model embodiment.
Fig. 3 is the dropper testing bench structure schematic diagram of the Dielectric Tester of the utility model embodiment.
Fig. 4 is the Dielectric Tester structure diagram of another embodiment of the utility model.
Specific embodiment
Please refer to Fig. 1-4, a kind of Dielectric Tester 100 of shown the utility model, including dropper 10 and
Testboard 7, dropper 10 include fluid reservoir 3, the electromagnetic induction device 1 above fluid reservoir 3, dropping liquid control piece 2, set
There are the bottom cover 5 of dropping liquid channel 50 and adsorbent equipment 6.Fluid reservoir 3 is equipped with liquid injection port 4, and 3 bottom of fluid reservoir is by being equipped with drop
The bottom cover 5 of liquid channel 50 seals, and adsorbent equipment 6 is mounted on the bottom of bottom cover 5, and testboard 7 is arranged on dropper
The underface of 10 dropping liquid channel 50.
The dropping liquid channel 50 of perforation is provided in the middle part of bottom cover 5 and adsorbent equipment jointly, from top to bottom including dropping liquid control
Donsole 51, minim pipette 52 and liquid droping port 53.Dropping liquid control mouth 51 is disposed on bottom cover 5 and towards opening inside fluid reservoir 3
Mouthful, as test liquid flow inlet；53 face measured object of liquid droping port, the outflux as test fluid.Minim pipette 52 is controlled from dropping liquid
Mouth 51 extends to liquid droping port 53 and from top to bottom through the bottom cover 5, bottom end shape also cross adsorbent equipment 6
Into the liquid droping port 53.Minim pipette 52 has certain length, and bottom cover 5 can be taper（Such as Fig. 1）Or taper type（Such as Fig. 4）Or
Other shapes.Preferably, to be located at 5 center line impenetrating thickness direction of bottom cover downward from 3 bottom of fluid reservoir for minim pipette 52（Towards survey
Test stand）Extension.
Test fluid in fluid reservoir 3 enters dropping liquid channel 50 from dropping liquid control mouth 51 and flow to liquid droping port 53, drips to measured object
It is tested.
Electromagnetic induction device 1 is set to 2 top of dropping liquid control piece, for Electromagnetic Control dropping liquid control piece 2, can be inhaled after energization
Attached dropping liquid control piece 2, is correspondingly drawn up dropping liquid control piece 2；It loses magnetism after power-off and disconnects and connecting with dropping liquid control piece 2
It connects, dropping liquid control piece 2 falls return.
Dropping liquid control piece 2 is by magnetic or metal spike, is inserted into fluid reservoir 3 by liquid injection port 4, top is located at fluid reservoir 3
Top and with electromagnetic induction device 1 can magnetic suck cooperate with connecting or disconnecting, bottom end 20 is connected to the bottom cover 5
Dropping liquid control mouth 51, the size and shape of dropping liquid control mouth 51 is adapted with 2 bottom end 20 of dropping liquid control piece, dropping liquid control piece 2
When insertion minim pipette 3 falls return, the extractable dropping liquid control mouth 5 that removably blocks in bottom end 20 is without flowing out test fluid, at this time
Dropping liquid control piece 2 and electromagnetic induction device 1 separated and fall.Dropping liquid control piece 2 is lifted by 1 magnetic of electromagnetic induction device
When, bottom end 20 is detached from the dropping liquid control mouth 51 of bottom cover 5, and the dropping liquid control mouth 51 of bottom cover 5 is made to expose to flow out
Test fluid.
3 memory storage test fluid of fluid reservoir, top are equipped with liquid injection port 4, and bottom is sealed by bottom cover 5.
Adsorbent equipment 6 is by Carbon foam adsorption structure, activated carbon adsorption structure, porous ceramics adsorption structure, porous resin
The porous adsorbent that one or more of adsorption structure, Bio-sil adsorption structure are formed, adsorbent equipment 6 can cover dropping liquid dress
The ashes of 10 lower sections and the volatilization area of vapor are put, for all vapor and ash generated during effectively adsorption experiment
Cinder.6 inside of adsorbent equipment is set along thickness（Or axial) through channel 60 in direction, and radially prolong outward along channel 60
It stretches to form the annular plane of flattening, should, the adsorbent is that edge radially extends to form annular solid along channel 60 outward, the plane of flattening
Bottom surface as adsorbent.The size of the plane of flattening and the test zone in the bottom cover 5 of minim pipette 3 and/or testboard 7
It is adapted, and face testboard is set, in favor of the vapor and ashes that are generated during effective adsorption experiment.As a kind of reality
Mode is applied, the shape and size of the adsorbent equipment 6 are corresponding with the shape and size of bottom cover 5, preferably, its section is not
Less than setting above the size and face testboard of the bottom cover 5.Adsorbent equipment 6 is surrounded on 5 internal run-through of bottom cover
Minim pipette 52 and at least around 52 bottom segment length of minim pipette or be installed on 5 lower part of bottom cover, so as to its porous absorption
Body is surrounded on dropping liquid channel 50（At least its bottom section）Vapor and ashes of the surrounding to be generated during adsorption experiment.
In this embodiment as shown in Figure 1, adsorbent equipment 6 is installed in 5 lower section of bottom cover, and bottom cover 5 is along logical
Through being installed in adsorbent equipment 6, the porous adsorbent of adsorbent equipment 6 is wrapped in 5 periphery of bottom cover or outer wall, only exists in road 60
Expose liquid droping port 53 in bottom end.Adsorbent equipment 6 is surrounded on around the minim pipette 52 and is at least looped around 52 bottom segment length of minim pipette
Around degree, the bottom end of minim pipette 52 penetrates the thickness of the adsorbent equipment 6, and is formed and tested in the bottom of adsorbent equipment 6
Fluid outlet.At this point, 50 essence of dropping liquid channel is consistent with minim pipette 52.
As another embodiment, as shown in figure 4, the minim pipette 52 of 5 internal run-through of the bottom cover is filled with absorption
It puts the connection of the channel 60 inside 6 and dropping liquid channel 50 is collectively formed, dropping liquid channel 50 is formed in the outlet of the bottom of adsorbent equipment 6 and surveyed
Test solution outflux, that is, liquid droping port 53.The adsorbent equipment 6 is directly installed in the bottom of bottom cover 5 at this point, being equivalent to, absorption dress
It puts extension or extended segment of the channel 60 inside 6 as minim pipette 52 and dropping liquid channel 50 is collectively formed, so as to export test fluid.
Testboard 7 includes two test electrodes 71,72, places measured object 8 thereon.Electromagnetic induction device 1 is closed during work, drop
Hydraulic control product 2 adds in experimental liquid since gravity fall blocks dropping liquid control mouth 51, by liquid injection port 4 into fluid reservoir 3, by dropping liquid
Device 10 is fixed on right over the testboard 7 for being placed with measured object 8, and when electromagnetic induction switch 1 is powered, dropping liquid control piece 2 is inhaled
It rising, experimental liquid is dropped onto on the testboard 7 for placing measured object 8 by dropping liquid control mouth 51 along minim pipette 52 from liquid droping port 53,
Apply the experimental liquid of a certain voltage and the fixed regulation droplet size that highly drips of timing to test electrode 71 and test electrode 72, measure
Its comparative tracking index (CT1) and resistance to electric trace index (PT1).All vapor and ashes generated in experimentation are very
It is absorbed by adsorbent equipment 6 well, adsorbent equipment 6 can cover the ashes of 10 lower section of dropper and the volatilization area of vapor.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of protection of the utility model are limited by appended claims and its equivalency range.
Claims (10)
1. a kind of Dielectric Tester, including dropper and testboard；The dropper includes electromagnetic induction device, drop
Liquid control device, fluid reservoir；It is characterized in that：The liquid storage pot bottom is sealed by bottom cover；The dropper is further
Including adsorbent equipment, the adsorbent equipment is set to the bottom of the capping and the test section of face testboard；Adsorbent equipment and
The internal dropping liquid channel for being collectively defined as exporting the test fluid in fluid reservoir into perforation to testboard of capping.
2. Dielectric Tester as described in claim 1, it is characterised in that：The adsorbent equipment is a kind of porous absorption
Body；The porous adsorbent is by Carbon foam adsorption structure, activated carbon adsorption structure, porous ceramics adsorption structure, porous resin
The formation of one or more of adsorption structure, Bio-sil adsorption structure.
3. Dielectric Tester as claimed in claim 2, it is characterised in that：Through-thickness shape inside the adsorbent equipment
Into channel, the adsorbent is the annular solid along channel radial extension outward；The corresponding landform in bottom surface of the annular solid
Circularize the plane of flattening；The annular plane of flattening face test section；It is described annular the plane of flattening cover test section generation ashes and/or
The volatilization area of vapor.
4. Dielectric Tester as claimed in claim 3, it is characterised in that：The dropping liquid channel includes being set to the envelope
Lid is internal and along the minim pipette that its thickness direction penetrates through, and test liquid flow inlet is to be set to capping and towards the drop inside fluid reservoir
Hydraulic control donsole is located at the top of dropping liquid channel；Test fluid outlet is the bottom surface face test for being set to the adsorbent equipment
The liquid droping port in area is located at the bottom end of dropping liquid channel.
5. Dielectric Tester as claimed in claim 4, it is characterised in that：The adsorbent equipment is wrapped in the outer of capping
Wall, capping are inserted into the channel in porous adsorbent and through its thickness, expose liquid droping port in the bottom surface of adsorbent.
6. Dielectric Tester as claimed in claim 4, it is characterised in that：The adsorbent equipment is installed under the capping
Side, the minim pipette of the capping internal run-through is connected with the channel inside adsorbent equipment is collectively formed dropping liquid channel；The absorption
Extension or extended segment export test fluid of the channel as minim pipette inside device.
7. Dielectric Tester as described in claim 1, it is characterised in that：The dropping liquid control device is magnetic or metal
Spike, be inserted into fluid reservoir in, top be located at fluid reservoir above and with electromagnetic induction device can magnetic suck connect or disconnect ground phase
Mutually cooperation, bottom end can extract the dropping liquid control mouth for removably blocking the capping；The electromagnetic induction device is controlled with dropping liquid
The opening and closing of device cooperation control dropper.
8. a kind of dropper of Dielectric Tester, including dropping liquid control device, fluid reservoir；It is characterized in that：The storage
Flow container bottom is sealed by bottom cover；The dropper further comprises adsorbent equipment, and the adsorbent equipment is set to described
The bottom of capping and the test section of face Dielectric Tester testboard；Adsorbent equipment and capping it is internal be collectively defined as by
Test fluid in fluid reservoir exports the dropping liquid channel of perforation to Dielectric Tester testboard.
9. dropper as claimed in claim 8, it is characterised in that：The adsorbent equipment is a kind of porous adsorbent；It is described
Porous adsorbent is by Carbon foam adsorption structure, activated carbon adsorption structure, porous ceramics adsorption structure, porous resin absorption knot
The formation of one or more of structure, Bio-sil adsorption structure；Shape through-thickness forms channel, institute inside the adsorbent equipment
It is the annular solid along channel radial extension outward to state adsorbent；The bottom surface of the annular solid correspondingly forms the annular plane of flattening；
The annular plane of flattening face test section；The annular plane of flattening covers the volatilization of the ashes and/or vapor of test section generation
Area；The dropping liquid channel includes being set to inside the capping and along the minim pipette that its thickness direction penetrates through, and tests liquid flow inlet
To be set to capping and towards the dropping liquid control mouth inside fluid reservoir, being located at the top of dropping liquid channel；Testing fluid outlet is
The liquid droping port of the bottom surface face test section of the adsorbent equipment is set to, is located at the bottom end of dropping liquid channel.
10. dropper as claimed in claim 9, it is characterised in that：The adsorbent equipment is wrapped in the outer wall of capping, capping
The channel that is inserted into porous adsorbent and through its thickness, exposes liquid droping port in the bottom surface of adsorbent；Or
The adsorbent equipment is installed below the capping, logical inside the minim pipette and adsorbent equipment of the capping internal run-through
Dropping liquid channel is collectively formed in road connection；Extension or extended segment export test of the channel as minim pipette inside the adsorbent equipment
Liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649533.8U CN207600911U (en) | 2017-11-30 | 2017-11-30 | A kind of Dielectric Tester and its dropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649533.8U CN207600911U (en) | 2017-11-30 | 2017-11-30 | A kind of Dielectric Tester and its dropper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207600911U true CN207600911U (en) | 2018-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721649533.8U Active CN207600911U (en) | 2017-11-30 | 2017-11-30 | A kind of Dielectric Tester and its dropper |
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| CN (1) | CN207600911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305071A (en) * | 2020-10-10 | 2022-04-12 | 佛山市顺德区美的电热电器制造有限公司 | Cover plate of cooking appliance, cooking appliance and manufacturing method of cover plate |
-
2017
- 2017-11-30 CN CN201721649533.8U patent/CN207600911U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305071A (en) * | 2020-10-10 | 2022-04-12 | 佛山市顺德区美的电热电器制造有限公司 | Cover plate of cooking appliance, cooking appliance and manufacturing method of cover plate |
| CN114305071B (en) * | 2020-10-10 | 2023-03-03 | 佛山市顺德区美的电热电器制造有限公司 | Cover plate of cooking appliance, cooking appliance and manufacturing method of cover plate |
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