CN108445358A - A kind of safe arc characteristic detection device - Google Patents
A kind of safe arc characteristic detection device Download PDFInfo
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- CN108445358A CN108445358A CN201810236952.1A CN201810236952A CN108445358A CN 108445358 A CN108445358 A CN 108445358A CN 201810236952 A CN201810236952 A CN 201810236952A CN 108445358 A CN108445358 A CN 108445358A
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- detection
- cylinder
- protective cover
- detection case
- screw rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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Abstract
The invention discloses a kind of safe arc characteristic detection devices,Including detection case,Detection chamber door is installed on the detection case,It is installed with fixed cylinder on bottom plate inside the detection case,Fixed test item is detachably installed in the fixed cylinder,The top of the detection case is rotatably mounted change,Safe arc characteristic detection displaying device in the application,When installation activity detector bar,By protective cover upward sliding,The oral area of V-type spring clip opens,Activity detection item is put into V-type spring clip,Unclamp protective cover,Under the elastic force of spring,Protective cover slide downward,The oral area of V-type spring clip is closed,Clamp activity detection item,When being detected,Detection case is in closed state,Rotary screw rod can drive ball sleeve to be slided on rotary screw rod in the rotation,Ball sleeve can drive support ring to move up and down together when being slided on rotary screw rod.
Description
Technical field
The application belongs to arc technology field, specifically, being related to a kind of safe arc characteristic detection device.
Background technology
Electric arc is a kind of gas discharge phenomenon, and electric current passes through moment fire caused by certain dielectrics (such as air)
Flower.Electric arc is a kind of self maintained gas conduction (electrical conduction in ionized gas), and most of carriers emit institute for primary electron
The electronics of generation, contact metal surface lead to electronics because of primary electron transmitting (thermionic emission, field emission or photoemission)
It escapes, gas atom or molecule can generate electronics and ion because of ionization (ionization by collision, photo-ionisation and thermal ionization) in gap.Separately
Outside, electronics or ion bombardment emitting surface can cause secondary again.When gap intermediate ion concentration is sufficiently large, gap quilt
Electrical breakdown and electric arc occurs.
The high temperature of electric arc may burn out the other component around electrical contact and contact, be also possible to cause to oil-filled equipment
Catch fire even explosion etc. danger, jeopardize the safe operation of electric system, the heavy losses to cause casualties with property, due to electricity
Arc is a kind of gaseous conduction phenomenon, so in device for switching, although switch contact has been separated from, as long as having between contact
Electric arc exists, and circuit is just not turned off, and electric current, which is appointed, so to be existed, it is known that electric arc extinguishes completely, and circuit could be disconnected really, electric arc
There are the times that Yancheng device for switching disconnects faulty circuit, the harm of short-circuit fault of power system have been aggravated, since electric arc exists
It can be moved under electric power, thermodynamic activity, be easy to cause overflash short circuit, hurt sb.'s feelings or cause fault spread, thus, it is ensured that power train
The safe operation of system, device for switching must go in normal work quickly and reliably extinguishes electric arc.Vacuum in high and low voltage switchgear
Have arc-chutes or arc-extinguishing tube on the device for switching such as breaker, SF6 breakers, on-load switch, be be exactly when generating electric arc,
The rapid arc extinguishing of energy, to ensure the safety of equipment.
In order to the characteristic to electric arc have deeper into understanding, produce electric arc detecting device, existing skill in the prior art
Electric arc detecting device in art includes mainly detection plate, and one end of detection plate is fixed with fixed block, and the other end of detection plate is slided
Dynamic installation sliding block, the movement of sliding shoe are driven by motor, and fixed block electrically connects with the positive and negative anodes of power supply respectively with sliding shoe
It connects, electric arc is generated by the driving of motor drives sliding shoe to contact and detach with fixed block, but not due to the driving of motor
Facilitate control, it is difficult to the movement speed and distance of sliding shoe are controlled, when experiment, electricity that positive and negative anodes contact generates
There are security risks when arc is larger, and electric arc detecting device in the prior art is difficult to the naked eye directly examine when electric arc is smaller
Feel, thus it is proposed that a kind of safe arc characteristic detection device is solving the above problems.
Invention content
In view of this, the application is to be solved, to be the driving of motor in routine techniques be inconvenient to control, it is difficult to sliding
The movement speed and distance of block are controlled, and the characteristic of electric arc is related with material, electric arc detecting device in the prior art
There is also inconvenience when being replaced to material, and when electric arc generates smaller, it is difficult to the technical issues of observing directly.The present invention provides
A kind of safe arc characteristic detection device, compared to routine techniques, electric arc detecting device of the present invention is convenient for control, peace
Quan Xinggao and it is easy to observe.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical programs：
The present invention provides a kind of safe arc characteristic detection device, including detection case, it is equipped on the detection case
Chamber door is detected, fixed cylinder is installed on the bottom plate inside the detection case, fixation is detachably installed in the fixed cylinder
Detector bar, the top of the detection case is rotatably mounted change, and the change is with rotary screw rod close to the position one of upper end
It is molded, rotatably mounted on the rotary screw rod to there is ball sleeve, the ball sleeve to be rotatably fastened in support ring, the support
The back side of ring is fixedly connected with guide runner, and the guide runner is slidably mounted on directive slide track, the directive slide track and inspection
Measuring tank is fixedly connected, and the lower end on directive slide track surface is fixed with spring bearing, and the lower end of the rotary screw rod is mounted on branch
It supports in bearing, the front of the support ring is fixedly connected with movable cylinder, and the side and one end of protection tracheae of the activity cylinder are passed through
It wears and is fixedly connected, and the other end of tracheae and the internal run-through of argon bottle is protected to connect, the argon bottle is fixedly mounted on detection
In case, the lower section inside the activity cylinder is slidably fitted with protective cover, and is detachably equipped with activity detection item, institute in movable cylinder
It states and is installed with V-type spring clip in movable cylinder, the opening both sides of the V-type spring clip and the inner edge of protective cover oral area closely connect
It touches, the activity detection item is clipped in V-type spring clip.
As a kind of optimal technical scheme of invention, in a kind of possible embodiment, under the detection case is positive
Side is hatch frame, and the both sides of the hatch frame are installed with two groups of sliding rails, and the detection chamber door is slidably mounted on two groups of cunnings
In rail.
As a kind of optimal technical scheme of invention, in a kind of possible embodiment, opened up on the detection chamber door
There is observation panel, observation convex lens is installed in the observation panel, the observation convex lens is corresponding with the position of fixed cylinder.
As a kind of optimal technical scheme of invention, in a kind of possible embodiment, the surface of the detection case is passed through
It wears and is installed with support tube, the change may be rotatably mounted in support tube, and support tube is run through in the lower end of the rotary screw rod.
As a kind of optimal technical scheme of invention, in a kind of possible embodiment, the diameter of the protective cover is small
In the internal diameter of fixed cylinder, the bottom of the protective cover is arranged with spring integrally formed with baffle ring on protective cover, the Spring Card
It is located between baffle ring and movable cylinder.
As a kind of optimal technical scheme of invention, in a kind of possible embodiment, the activity cylinder and fixed cylinder
It is arc protection transparent configuration, and movable cylinder is overlapped with the axis of fixed cylinder, the oral area of the fixed cylinder is installed with sealing
Circle.
As a kind of optimal technical scheme of invention, in a kind of possible embodiment, the upper end of the rotary screw rod
It is installed with turntable, the turntable is regular polygon structure, and the surface of turntable is anti-slip rubber structure.
It is fixed in the fixed cylinder to set in a kind of possible embodiment as a kind of optimal technical scheme of invention
There are electric connection clip, the fixed test item to be detachably connected with clip is electrically connected.
Compared with prior art, the application can be obtained including following technique effect：
1, the safe arc characteristic detection displaying device in the application will be protected when installation activity detector bar
The oral area of cover upward sliding, V-type spring clip opens, and activity detection item is put into V-type spring clip, protective cover is unclamped, in bullet
Under the elastic force of spring, the oral area of protective cover slide downward, V-type spring clip is closed, and clamps activity detection item；
2, the safe arc characteristic detection displaying device in the application, when being detected, detection case is in envelope
The state closed, rotary screw rod can drive ball sleeve to be slided on rotary screw rod in the rotation, and ball sleeve is in rotary screw rod
Support ring can be driven to move up and down together when upper sliding, easily controllable fixed test item and the contact of activity detection item with point
From；
3, the safe arc characteristic detection displaying device in the application, guide runner are slidably mounted on directive slide track,
Guide runner primarily serves the effect of guiding, prevents support ring from being rotated together with ball sleeve；
4, the safe arc characteristic detection displaying device in the application, when carrying out arc-detection, movable cylinder to
Lower slider, the head contact on the head and fixed test item of activity detection item, rotates rotary screw rod at this time, and activity detection item is carried
It rises, operation repeatedly can generate electric arc, in the process, can be with the air valve of manually opened argon bottle, to movable cylinder and fixed cylinder
It is inside filled with argon gas, plays the role of protection；
5, the safe arc characteristic detection displaying device in the application, drives protective cover one to remove when movable cylinder declines
When drop, protective cover and fixed cylinder contact, movable cylinder can in a small range continuation activity, and at this time movable cylinder and fixed cylinder with it is extraneous
Isolation, protecting effect are good.
Certainly, implementing any product of the application must be not necessarily required to reach all the above technique effect simultaneously.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 is a kind of detection chamber door Unclosing structure signal of safe arc characteristic detection device of the embodiment of the present application
Figure；
Fig. 2 is a kind of detection chamber door closing structure signal of safe arc characteristic detection device of the embodiment of the present application
Figure；
Fig. 3 is a kind of internal structure schematic diagram of safe arc characteristic detection device of the embodiment of the present application；
Fig. 4 is a kind of internal structure front view of safe arc characteristic detection device of the embodiment of the present application；
Fig. 5 is enlarged drawing at the A of Fig. 4 in the application；
Fig. 6 is a kind of support ring mounting structure schematic diagram of safe arc characteristic detection device of the embodiment of the present application；
Fig. 7 be the embodiment of the present application a kind of safe arc characteristic detection device in activity detection structural schematic diagram.
In figure：1 detection case, 2 fixed cylinders, 3 fixed test items, 4 changes, 5 rotary screw rods, 6 ball sleeves, 7 support rings, 8 are led
To sliding block, 9 directive slide tracks, 10 spring bearings, 11 movable cylinders, 12 protection tracheaes, 13 argon bottles, 14 protective covers, 15 activity detections
Item, 16 V-type spring clips, 17 sliding rails, 18 observation panels, 19 observation convex lens, 20 support tubes, 21 baffle rings, 22 springs, 23 turntables, 24 electricity
Property connection clip.
Specific implementation mode
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, how the application is applied whereby
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
As shown in Fig. 1-7, a kind of safe arc characteristic detection device of the present invention, including detection case 1, detection case 1
On detection chamber door is installed, 1 positive lower section of detection case is hatch frame, and the both sides of the hatch frame are installed with two groups of cunnings
Rail 17, detection chamber door are slidably mounted in two groups of sliding rails 17, and detection case 1 is nontransparent structure, when being detected, detection
Case 1 is in closed state, when replacing fixed test item 3 with activity detection item 15, can slide and beat directly up
Detection chamber door is opened, is conveniently operated.
It is fixed in fixed cylinder 2 and is electrically connected clip 24, fixed test item 3 detachably connects with clip 24 is electrically connected
It connects, is electrically connected clip 24 and one end of external power supply is electrically connected, by being electrically connected the setting of clip 24, convenient for fixation
Detector bar 3 is simply fixed, and fixed test item 3 is electrically connected with clip 24 is electrically connected.
Detection chamber door on offer observation panel 18, be installed in observation panel 18 observation convex lens 19, observation convex lens 19 with
The position of fixed cylinder 2 corresponds to, and detection case 1 is nontransparent structure, after detection chamber door is closed, can be observed and be examined by observation panel 18
The inside of measuring tank 1 is easily observe that electric arc, observation convex lens 19 can amplify electric arc, easily due to more dim in detection case 1
In observation.
It is installed with fixed cylinder 2 on bottom plate inside detection case 1, fixed test item is detachably installed in fixed cylinder 2
3, the top of detection case 1 is rotatably mounted change 4, and through support tube 20 is installed with, change 4 can on the surface of detection case 1
It is rotatably installed in support tube 20, the side insertion of change 4 is equipped with ball grooves, is rolled in ball grooves and is arranged with ball, convenient for turning
The rotation of ring 4, support tube 20 mainly play the role of support to rotary screw rod 5, and support tube 20 is run through in the lower end of rotary screw rod 5,
The upper end of rotary screw rod 5 is installed with turntable 23, and turntable 23 is regular polygon structure, and the surface of turntable 23 is anti-slip rubber
Structure is conducive to rotation rotary screw rod 5 manually by the setting of turntable 23.
Change 4 is integrally formed with rotary screw rod 5 close to the position of upper end, rotatably mounted on rotary screw rod 5 to have ball sleeve
6, rotary screw rod 5 can drive ball sleeve 6 to be slided on rotary screw rod 5 in the rotation, and ball sleeve 6 is rotatably fastened on branch
In pushing out ring 7, ball sleeve 6 on rotary screw rod 5 slide when support ring 7 can be driven to move up and down together, the back side of support ring 7 with
Guide runner 8 is fixedly connected, and guide runner 8 is slidably mounted on directive slide track 9, and guide runner 8 primarily serves the effect of guiding,
Prevent support ring 7 from being rotated together with ball sleeve 6.
Directive slide track 9 is fixedly connected with detection case 1, and the lower end on 9 surface of directive slide track is fixed with spring bearing 10, is turned
The lower end of dynamic lead screw 5 is mounted in spring bearing 10, and spring bearing 10 plays the role of support rotating lead screw 5.
The front of support ring 7 is fixedly connected with movable cylinder 11, and the lower section inside movable cylinder 11 is slidably fitted with protective cover 14,
The diameter of protective cover 14 is less than the internal diameter of fixed cylinder 2, and the bottom of protective cover 14 is covered integrally formed with baffle ring 21 on protective cover 14
Equipped with spring 22, spring 22 is fastened between baffle ring 21 and movable cylinder 11, and activity detection item is detachably equipped in movable cylinder 11
15, V-type spring clip 16 is installed in movable cylinder 11, the oral area of V-type spring clip 16 keeps the state opened, V-type spring clip
16 opening both sides are in close contact with the inner edge of 14 oral area of protective cover, and activity detection item 15 is clipped in V-type spring clip 16, is installing
When activity detection item 15, the oral area of 14 upward sliding of protective cover, V-type spring clip 16 is opened, activity detection item 15 is put
Enter into V-type spring clip 16, unclamps protective cover 14, under the elastic force of spring 22,14 slide downward of protective cover and by V-type spring clip
16 oral area inwardly squeezes, and so that 16 oral area of V-type spring clip is closed and clamps activity detection item 15.
The other end and argon for being fixedly connected, and protecting tracheae 12 are run through in the side of movable cylinder 11 with one end of protection tracheae 12
The internal run-through of gas cylinder 13 connects, and argon bottle 13 is fixedly mounted in detection case 1, when carrying out arc-detection, movable cylinder
11 slide downwards, the head contact on the head and fixed test item 3 of activity detection item 15 rotate rotary screw rod 5 at this time, will be movable
Detector bar 15 lifts, and operation repeatedly can generate electric arc, in the process, can be with the air valve of manually opened argon bottle 13, to work
It is filled with argon gas in dynamic cylinder 11 and fixed cylinder 2, plays the role of protection.
Movable cylinder 11 and fixed cylinder 2 are arc protection transparent configuration, and movable cylinder 11 is overlapped with the axis of fixed cylinder 2, Gu
The oral area of safety barrel 2 is installed with sealing ring, drives protective cover 14 to decline together when movable cylinder 11 declines, and protective cover 14 contacts simultaneously
It is inserted into fixed cylinder 2, movable cylinder 11 can continue activity downwards in a small range, and movable cylinder 11 and fixed cylinder 2 at this time is interior
Portion is isolated from the outside, and protecting effect is good.
When specific works, the safe arc characteristic detection displaying device in the application, in installation activity detector bar
When 15, the oral area of 14 upward sliding of protective cover, V-type spring clip 16 is opened, activity detection item 15 is put into V-type spring
In folder 16, protective cover 14 is unclamped, under the elastic force of spring 22, the oral area of 14 slide downward of protective cover, V-type spring clip 16 is closed,
Activity detection item 15 is clamped, when being detected, detection case 1 is in closed state, and rotary screw rod 5 is in the rotation
Ball sleeve 6 can be driven to be slided on rotary screw rod 5, ball sleeve 6 can drive support ring 7 one when being slided on rotary screw rod 5
It rises and moves up and down, the back side of support ring 7 is fixedly connected with guide runner 8, and guide runner 8 is slidably mounted on directive slide track 9, is led
The effect that guiding is primarily served to sliding block 8 prevents support ring 7 from being rotated together with ball sleeve 6, carry out arc-detection when
It waits, 11 slide downward of movable cylinder, the head contact on the head and fixed test item 3 of activity detection item 15, the silk of rotation rotation at this time
Bar 5 lifts activity detection item 15, and operation repeatedly can generate electric arc, in the process, can be with manually opened argon bottle 13
Air valve plays the role of protection, protective cover 14 is driven when movable cylinder 11 declines to being filled with argon gas in movable cylinder 11 and fixed cylinder 2
Decline together, when protective cover 14 and fixed cylinder 2 contact, movable cylinder 11 can be in a small range continuation activity, and movable cylinder 11 at this time
It is isolated from the outside with fixed cylinder 2, protecting effect is good.
Some vocabulary has such as been used to censure specific components in specification and claim.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer in receivable error range, those skilled in the art can be described within a certain error range solution
Technical problem basically reaches the technique effect.In addition, " coupling " word includes any direct and indirect electric property coupling herein
Means.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly electrical coupling
It is connected to the second device, or the second device indirectly electrically coupled through other devices or coupling means.Specification
Subsequent descriptions be implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not limited to scope of the present application.The protection domain of the application is when subject to appended claims institute defender.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Including so that commodity or system including a series of elements include not only those elements, but also include not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that including the element commodity or system in also
There are other identical elements.
Several preferred embodiments of the present invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in the scope of the invention is set forth herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection domain of bright appended claims.
Claims (8)
1. a kind of safe arc characteristic detection device, including detection case (1), the detection case（1）On detection is installed
Chamber door, it is characterised in that：The detection case（1）It is installed with fixed cylinder on internal bottom plate（2）, the fixed cylinder（2）It is interior
Fixed test item detachably is installed（3）, the detection case（1）Top rotatably mounted have change（4）, the change（4）
With rotary screw rod（5）Position close to upper end is integrally formed, the rotary screw rod（5）It is above rotatably mounted to have ball sleeve（6）, institute
State ball sleeve（6）Rotatably it is fastened on support ring（7）It is interior, the support ring（7）The back side and guide runner（8）It is fixedly connected,
The guide runner（8）It is slidably mounted on directive slide track（9）On, the directive slide track（9）With detection case（1）It is fixedly connected, and
Directive slide track（9）The lower end on surface is fixed with spring bearing（10）, the rotary screw rod（5）Lower end be mounted on spring bearing
（10）It is interior, the support ring（7）Front and movable cylinder（11）It is fixedly connected, the activity cylinder（11）Side with protection tracheae
（12）One end through being fixedly connected, and protect tracheae（12）The other end and argon bottle（13）Internal run-through connection, it is described
Argon bottle（13）It is fixedly mounted on detection case（1）It is interior, the activity cylinder（11）Internal lower section is slidably fitted with protective cover（14）,
And movable cylinder（11）It is interior that activity detection item detachably is installed（15）, the activity cylinder（11）Inside it is installed with V-type spring clip
（16）, the V-type spring clip（16）Opening both sides and protective cover（14）The inner edge of oral area is in close contact, the activity detection item
（15）It is clipped in V-type spring clip（16）It is interior.
2. a kind of safe arc characteristic detection device as described in claim 1, which is characterized in that the detection case
（1）Positive lower section is hatch frame, and the both sides of the hatch frame are installed with two groups of sliding rails（17）, the detection chamber door cunning
It is dynamic to be mounted on two groups of sliding rails（17）It is interior.
3. a kind of safe arc characteristic detection device as described in claim 1, which is characterized in that the detection chamber door
On offer observation panel（18）, the observation panel（18）Inside it is installed with observation convex lens（19）, the observation convex lens（19）With
Fixed cylinder（2）Position correspond to.
4. a kind of safe arc characteristic detection device as described in claim 1, which is characterized in that the detection case
（1）Surface through being installed with support tube（20）, the change（4）It may be rotatably mounted at support tube（20）It is interior, described turn
Dynamic lead screw（5）Lower end run through support tube（20）.
5. a kind of safe arc characteristic detection device as described in claim 1, which is characterized in that the protective cover
（14）Diameter be less than fixed cylinder（2）Internal diameter, the protective cover（14）Bottom integrally formed with baffle ring（21）, and protective cover
（14）On be arranged with spring（22）, the spring（22）It is fastened on baffle ring（21）With movable cylinder（11）Between.
6. a kind of safe arc characteristic detection device as described in claim 1, which is characterized in that the activity cylinder
（11）With fixed cylinder（2）It is arc protection transparent configuration, and movable cylinder（11）With fixed cylinder（2）Axis overlap, the fixation
Cylinder（2）Oral area be installed with sealing ring.
7. a kind of safe arc characteristic detection device as described in claim 1, which is characterized in that the rotary screw rod
（5）Upper end be installed with turntable（23）, the turntable（23）For regular polygon structure, and turntable（23）Surface be it is anti-skidding
Rubber structure.
8. a kind of safe arc characteristic detection device as described in claim 1, which is characterized in that the fixed cylinder
（2）Inside it is fixed with electric connection clip（24）, the fixed test item（3）With electric connection clip（24）It is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810236952.1A CN108445358B (en) | 2018-03-21 | 2018-03-21 | High-safety arc characteristic detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810236952.1A CN108445358B (en) | 2018-03-21 | 2018-03-21 | High-safety arc characteristic detection device |
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| CN108445358B CN108445358B (en) | 2020-03-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820581A (en) * | 2021-11-19 | 2021-12-21 | 浙江杭可仪器有限公司 | Aging testing device easy to install |
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