CN207730901U - Breaker time-delay characteristics detection device - Google Patents
Breaker time-delay characteristics detection device Download PDFInfo
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- CN207730901U CN207730901U CN201721852522.XU CN201721852522U CN207730901U CN 207730901 U CN207730901 U CN 207730901U CN 201721852522 U CN201721852522 U CN 201721852522U CN 207730901 U CN207730901 U CN 207730901U
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Abstract
The utility model discloses a kind of breaker time-delay characteristics detection devices, including rack and transmission mechanism, it is provided with master controller, timer, constant current input module, detection device and rotation in the rack and moves and expects device, the rotation, which moves, expects that device is clamped tested breaker and is clamped from clamping station to detection station and after sensing on tested breaker self-test station to placement station before detection；Electrode tip is electrically connected with timer, constant current input module, the time that the timer is extremely disconnected for detecting electrode capitiform at circuit is connected, and the above-mentioned time is delivered to master controller, the master controller moves material device with timer, constant current input module, detection device and rotation respectively and is connected.Judge be tested whether breaker is qualified by drop-away time, realize the automatic detection detection of time-delay characteristics, meets the vertically-mounted situation of actual use breaker, so that detection is more in line with reality, improve detection efficiency and accuracy.
Description
Technical field
The utility model is related to breaker testing equipment field, especially a kind of breaker time-delay characteristics detection device.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Before breaker manufacture, it is necessary to do in the production line
A series of performance detection, therefore the detection of breaker is to ensure the important link of finished product qualification manufacture.Such as breaker prolongs
When Characteristics Detection, be by electric current in circuit be more than rated current in the case of, breaker should disconnect circuit automatically, to protect back
Electrical equipment in road, therefore in circuit exception, whether breaker has the ability right and wrong of cut-off loop at the appointed time
It is often important.And in reality, the time-delay characteristics detection of breaker relies on artificial detection mostly, and manual operation can not prevent people
For mistake generation and ensure the specification of the examination and test of products, and it is artificial generally by the horizontal positioned detection of breaker, to a certain degree
On also affect the accuracy of detection, detection efficiency is low and the degree of automation is low.
Invention content
The purpose of this utility model：In order to overcome the deficiencies of existing technologies, the utility model provides a kind of breaker and prolongs
When characteristic detecting device, substitute artificial detection, improve detection efficiency, and detect breaker under using installation condition, more
Accurately.
The technical solution of the utility model：Including rack and transmission mechanism, master controller, meter are provided in the rack
When device, constant current input module, detection device and rotation move material device, the detection device is vertically arranged in rack and wraps
Include the electrode tip for being tested breaker connecting terminal electrical connection and the detection station for being tested breaker installation, the transmission
It is provided with clamping station in mechanism and places station, the rotation, which moves, expects that device is clamped tested breaker and work is clamped certainly before detection
It is clamped in position to detection station and after sensing and is tested on breaker self-test station to placement station；The electrode tip and meter
When device, constant current input module be electrically connected, the timer for detecting electrode capitiform at connecting circuit to the time disconnected,
And the above-mentioned time is delivered to master controller, the master controller respectively with timer, constant current input module, detection device and
Rotation moves material device and is connected.
Using above-mentioned technical proposal, when the tested breaker to have closed a floodgate is transported by transmission mechanism to clamping station, rotation
Transfer material device reception master controller sends out signal and tested breaker is clamped to the detection station of vertically-mounted detection device
On, electrode tip electrical connection be tested breaker connecting terminal, constant current input module apply constant current forming circuit, timer monitoring from
The time difference connected between the disconnection of circuit to circuit is formed, i.e., the tested circuit breaker tripping time is monitored, and passes through drop-away time
Judge be tested whether breaker is qualified, realizes the automatic detection detection of time-delay characteristics, it is vertical to meet actual use breaker
The case where installation, makes detection be more in line with reality, improves detection efficiency and accuracy.
The further setting of the utility model：Both sides are provided with the limit that limit is tested breaker upper and lower to detection station up and down
Position plate, the detection device includes station bottom plate, and the detection station, limiting plate, electrode tip may be contained within station bottom plate
Front, the back side of the station bottom plate are provided with driving electrodes head and stretch into drive across what limiting plate stretched into tested breaker connection chamber
Dynamic device and the compression driving device that connecting terminal is compressed for driving electrodes head.
Using above-mentioned further setting, limiting plate to being tested the limit of breaker, stretch into driving device stretch into wire connection cavity with
And compress driving device and compress electrode tip, to form fixation to tested breaker, and make electrode tip and connecting terminal as far as possible
It comes into full contact with.
The further setting of the utility model：The both sides up and down of detection station offer through-hole on station bottom plate, described
It is provided through the electrode tip holder of through-hole in through-hole, the electrode tip holder vertically movable cooperation in through-hole, on the electrode tip laterally
It is fixedly connected with optical axis, the optical axis penetrating electrode seat and being formed with electrode tip holder is vertically linked；It is described to stretch into driving device
Include the vertical vertical cylinder for being fixed on station bottom plate back side left and right sides and vertical track, be provided on the vertical track with
Vertical track slides vertically the track connecting plate of cooperation, and the output shaft of the track connecting plate and vertical cylinder is fixed by screw
It connects and is fixedly connected with electrode tip holder.
Further it is arranged using above-mentioned, vertical cylinder driving drives track connecting plate to be slid vertically on vertical track,
Then electrode tip holder and electrode tip stretch into vertically disposed wire connection cavity.
The further setting again of the utility model：It includes center cylinder and guiding axis to compress driving device, described
The output shaft and guiding axis of center cylinder are laterally arranged and are vertically mounted on the back side of station bottom plate, the center cylinder it is defeated
Guiding folded plate is fixedly connected on shaft, the guiding axis is slidably matched through guiding folded plate and with folded plate is oriented to, described to lead
Both sides are provided with stroke slot hole above and below to folded plate, and the optical axis extends to outer end across stroke slot hole, and optical axis is long in stroke
It is slided in hole, the outer spring for being sleeved on optical axis periphery, the spring one end is provided between the outer end and guiding folded plate of the optical axis
Optical axis outer end is abutted, the other end, which abuts, is oriented to folded plate.
Using above-mentioned setting further again, center cylinder driving, band action-oriented folded plate moves, then electrode tip is toward terminals
Son is mobile, and passes through spring compression connecting terminal.
The further setting again of the utility model：Preliminary station, barcode scanning station, waste collection work are additionally provided in rack
Position, the tested breaker is successively through preliminary station, barcode scanning station, clamping station, detection station and qualified products to placement
The sequence progress operation of station, substandard product to waste collection station.
Using above-mentioned setting further again, it is tested breaker and is first arranged through preliminary station preparation, rear transport to barcode scanning work
Position is scanned record, then expects that device is clamped to detection station by rotating to move to clamping station, after to be detected, rotation
Shifting material device, which will not sent by the product of detection to waste collection station, to be collected, or qualified product is sent to placement work
Position simultaneously enters next process, is suitble to automatic assembly line detection, hence it is evident that improve detection efficiency.
The further setting again of the utility model：Preliminary station, barcode scanning station are both provided with for hindering in clamping station
Only it is tested the blocking mechanism that breaker is moved along transmission mechanism.
Using above-mentioned setting further again, blocking mechanism can prevent breaker from continuing on transmission mechanism transporting direction
It is mobile, the operations such as positioned or be clamped to tested breaker on each station to facilitate.
The further setting again of the utility model：Slideway is provided on waste collection station, the rotation moves material device
Tested breaker is clamped under the tested unqualified state of breaker to be clamped to slideway from detection station.
Using above-mentioned setting further again, slideway can collect multiple unqualified breakers.
Description of the drawings
Fig. 1 is the structural schematic diagram one of the utility model specific embodiment；
Fig. 2 is the structural schematic diagram two of the utility model specific embodiment；
Fig. 3 is the positive structural perspective of the utility model station bottom plate；
Fig. 4 is the structural perspective at the utility model station bottom plate back side；
Fig. 5 is the part-structure schematic diagram that the utility model rotation moves material device；
Wherein, detection device 1, rotation move material device 2, stretch into driving device 3, compress driving device 4, rack 5, conveyer
Structure 6, preliminary station 61, barcode scanning station 62, clamping station 63 place station 64, waste collection station 65, and blocking mechanism 66 breaks
Road device 7, wire connection cavity 71, electrode tip 11, detection station 12, limiting plate 13, station bottom plate 14, through-hole 141, electrode tip holder 15, optical axis
16, boss 161, vertical cylinder 31, vertical track 32, track connecting plate 33, center cylinder 41, guiding axis 42, guiding folded plate 43,
Stroke slot hole 431, spring 44, mobile mechanism 21, rotating mechanism 22, clamping device 23, lug 231, the first cylinder 221, connection
Axis 222, guide pad 223, rack 224, gear 225, fixed seat 226, shaft 227, X-axis mobile mechanism 24, transversely-moving rack 241, electricity
Machine 242, X axis guide rail 243, driving pulley 244, driven pulley 245, belt 246, belt pressing plate 247, Y-axis moving mechanism 25,
Third cylinder 251, Y-axis guide rail 252, Z axis mobile mechanism 26, lifting shaft 261, mounting plate 262, the second cylinder 263, connecting plate
264, slideway 651.
Specific implementation mode
Breaker time-delay characteristics detection device as Figure 1-Figure 5, including rack 5 and transmission mechanism 6, in rack 5
It is provided with master controller, timer, constant current input module, detection device 1 and rotation and moves material device 2, detection device 1 is pacified vertically
Loaded in rack 5 and including electrode tip 11 for being tested the electrical connection of breaker 7 connecting terminal and pacify for being tested breaker 7
The detection station 12 of dress is provided with clamping station 63 on transmission mechanism 6 and places station 64, and rotation moves material device 2 before detection
Clamping is tested breaker 7 and 7 self-test work of tested breaker is clamped from clamping station 63 to detection station 12 and after sensing
On position 12 to placement station 64；Electrode tip 11 is electrically connected with timer, constant current input module, and timer is used for detecting electrode
The above-mentioned time is delivered to master controller at connecting circuit to the time disconnected by capitiform, master controller respectively with timer, perseverance
Stream input module, detection device 1 and rotation move material device 2 and are connected.It is tested that about 12 both sides of detection station are provided with limit
The limiting plate 13 of 7 upper and lower of breaker, detection device 1 include station bottom plate 14, detection station 12, limiting plate 13, electrode tip
11 may be contained within the front of station bottom plate 14, and the back side of station bottom plate 14 is provided with driving electrodes head 11 and is stretched into across limiting plate 13
The compression driving for stretching into driving device 3 and connecting terminal is compressed for driving electrodes head 11 of 7 wire connection cavity 71 of tested breaker
Device 4.It is additionally provided with preliminary station 61, barcode scanning station 62, waste collection station 65 in rack 5, is tested 7 priority of breaker through pre-
Standby station 61, barcode scanning station 62, clamping station 63, corresponding detection station 12 and qualified products are extremely placed station 64, are not conformed to
The sequence of lattice product to waste collection station 65 carries out operation.Preliminary station 61, barcode scanning station 62 are respectively provided in clamping station 63
It is useful for the blocking mechanism 66 for preventing tested breaker 7 from being moved along transmission mechanism 6.There are six the settings of detection device 1, laterally side by side
Arrangement is installed in rack 5.The blocking mode of blocking mechanism 66 can be transverse barriers, blocking can also be lifted, generally pre-
The blocking mechanism 66 that transverse barriers are arranged on standby station is passed the imperial examinations at the provincial level using the blocking mechanism 66 of lifting blocking on other stations
The blocking mechanism 66 for rising blocking has generally comprised lifting frame, lifting cylinder and sensor, and lifting frame is U-shaped and the installation that partly surrounds
In 7 both sides of transmission mechanism and lower section, transmission mechanism 6 is arranged in U-shaped opening, and lifting cylinder is in vertically to install and drive act
It rises frame to increase or reduce, when sensor has detected that breaker 7 will reach, lifting cylinder receives signal, driving lifting
Frame rises and is blocked in before breaker 7, makes breaker 7 that can not continue to transmit with transmission mechanism 6, then makees when on the station of place
After the completion of industry, lifting frame declines.Transmission mechanism 6 can be transfer plate chain.
When work, multiple tested breakers 7 to have closed a floodgate are first arranged through 61 preparation of preliminary station, are carried out by blocking mechanism 66
Backgauge operates, after sequentially transport one by one to barcode scanning station 62 and be scanned record after backgauge, then to work is clamped
Position 63 expects that each is tested in the clamping to corresponding detection station 12 of breaker 7 by device 2 by rotating to move, and electrode tip 11 stretches into
It surveys 7 wire connection cavity 71 of breaker and compresses connecting terminal and connected with it, to being tested the positioning and fixation of breaker 7, rear constant current input
Module application is formed into a loop more than the constant current of rated current, between timer monitoring is disconnected from formation connection circuit to circuit
Time difference, i.e., tested 7 drop-away time of breaker is monitored, and whether judge to be tested breaker 7 by drop-away time qualified, if
Drop-away time is threaded off within the qualified stipulated time, then product is qualified, otherwise, is not threaded off beyond the qualified stipulated time or always,
Then it is considered as substandard product.After to be detected, rotation move material device 2 substandard product is directly sent from detection station 12 to
Waste collection station 65 is collected, and qualified product is sent to placement station 64 and enters next process.
As shown in Figure 3, Figure 4, the both sides up and down of detection station 12 offer through-hole 141 on station bottom plate 14, in through-hole 141
It is provided through the electrode tip holder 15 of through-hole 141, the vertically movable cooperation in through-hole 141 of electrode tip holder 15 is laterally solid on electrode tip 11
Surely it is connected with optical axis 16,16 penetrating electrode seat 15 of optical axis and being formed with electrode tip holder 15 is vertically linked；Stretch into the packet of driving device 3
The vertical vertical cylinder 31 for being fixed on 14 back side left and right sides of station bottom plate and vertical track 32 are included, is provided on vertical track 32
The track connecting plate 33 of cooperation is slid vertically with vertical track 32, track connecting plate 33 and the output shaft of vertical cylinder 31 pass through spiral shell
Nail is fixedly connected and is fixedly connected with electrode tip holder 15.It includes center cylinder 41 and guiding axis 42, center to compress driving device 4
The output shaft and guiding axis 42 of cylinder 41 are laterally arranged and are vertically mounted on the back side of station bottom plate 14, center cylinder 41 it is defeated
It is fixedly connected on shaft and is oriented to folded plate 43, guiding axis 42 is led through being oriented to folded plate 43 and being slidably matched with folded plate 43 is oriented to
About 43 both sides of folded plate are provided with stroke slot hole 431, optical axis 16 extends to outer end across stroke slot hole 431, formed in outer end
Boss 161, and the sliding in stroke slot hole 431 of optical axis 16 are provided with housing between the outer end and guiding folded plate 41 of optical axis 16
Spring 44 in 16 periphery of optical axis, 44 one end of spring abut the boss 161 of 16 outer end of optical axis, and the other end, which abuts, is oriented to folded plate 43.
Vertical cylinder 31 drives, and track connecting plate 33 rises or declines on vertical track 32, electrode tip holder 15 then through-hole 141 it is interior with
Track connecting plate 33 lift while, optical axis 16 slides up and down on stroke slot hole 431, then, electrode tip 11 can stretch into or
Person stretches out 7 wire connection cavity 71 of tested breaker being assemblied in detection station 12；The output shaft of center cylinder 41 drives, and is oriented to folded plate
43 on guiding axis 42 be oriented to sliding, therefore drive optical axis 16 slid on electrode tip holder 15, electrode tip 11 then close to compress or
Far from the connecting terminal unclamped in wire connection cavity 71.
Slideway 651 is provided on waste collection station 65, rotation moves material device 2 under 7 unqualified state of tested breaker
Clamping is tested breaker 7 and is clamped from detection station 12 to slideway 651.
As shown in Figure 1, Figure 2, Figure 5, it includes mobile mechanism 21, rotating mechanism 22 and clamping device that rotation, which moves material device 2,
23, rotating mechanism 22 includes the first cylinder 221, connecting shaft 222, guide pad 223, rack 224, gear 225, fixed seat 226
And shaft 227, connecting shaft 222 are arranged in sliding lifting cooperation in the guide pad 223 being fixedly mounted in fixed seat 226, even
One end of spindle 222 is fixedly connected with the first cylinder 221, and the output shaft of the first cylinder 221 is fixedly connected and drives with rack 224
Rack 224 lifts, and rack 224 penetrates guide pad 223 and engaged with gear 225, and gear 225 is fixedly installed in shaft 227, shaft
227 rotations are arranged in fixed seat 226, and 227 both ends of shaft are fixedly connected with clamping device 23,23 top setting of clamping device
There is the lug 231 for being fixedly installed in 227 both ends of shaft.There is the X-axis of driving 23 transverse shifting of clamping device in mobile mechanism 21 respectively
Mobile mechanism 24, the Y-axis moving mechanism 25 of longitudinal movement and vertically movable Z axis mobile mechanism 26；Z axis mobile mechanism 26 wraps
Lifting shaft 261, mounting plate 262 and the second cylinder 263 being mounted vertically on mounting plate 262, lifting shaft 261 is included to wear vertically
Coordinate with the sliding lifting of mounting plate 262 in mounting plate 262, and rotating mechanism 22 is fixed in one end of lifting shaft 261
In fixed seat 226, the other end is installed with connecting plate 264, and connecting plate 264 is fixedly connected with the output shaft of the second cylinder 263
And it is drivingly connected 264 raising and lowering of plate；X-axis mobile mechanism 24 includes the transversely-moving rack 241 being laterally arranged, transversely-moving rack 241
On be provided with motor 242 and X axis guide rail 243, motor 242 is fixedly installed on one end of transversely-moving rack 241 and it is exported
Driving pulley 244 is installed, the other end of transversely-moving rack 241 is equipped with driven pulley 245, driving pulley 244 and driven belt on axis
Wheel 245 is connected by belt 246, and X axis guide rail 243 coordinates with the sliding of mounting plate 262, is also installed on mounting plate 262
The belt pressing plate 247 being fixedly connected with belt 246；Y-axis moving mechanism 25 includes the longitudinally fixed third being installed in rack 5
The output shaft of cylinder 251 and Y-axis guide rail 252, third cylinder 251 is fixedly connected with transversely-moving rack 241, Y-axis guide rail 252 with
The sliding cooperation of transversely-moving rack 241.Rotation, which moves, expects that the course of work that the clamping of device 2 is tested breaker 7 to detection station 12 is：One,
Tested breaker 7 is clamped from clamping station 63 to detection station 12, is that the lifting of plate 264 is drivingly connected simultaneously by the second cylinder 263
Fixed seat 226 is driven to drop in the height that clamping device 23 is suitable for holding by lifting shaft 261, open circuit is clamped in clamping device 23
Device 7, rear lifting height；Two, motor 242 is run, and is moved by 246 drive belt pressing plate 247 of belt, mounting plate 262 is in X at this time
It is slided on axial guidance 243, mounting plate 262 is traversing on the position of face detection station 12 together with clamping device 23；Three,
First cylinder 221 drives, and rack 224 declines in guide pad 223, and gear 225 is then rotated due to engagement reason, and with turn
Axis 227 rotates 90 ° in fixed seat 226, and clamping device 23 then 227 is rotated by 90 ° around the shaft and makes the tested overturning of breaker 7 to vertical
State；Four, third cylinder 251 drives, transversely-moving rack 241 in 252 straight skidding of Y-axis guide rail and close to detection station 12, after will
Tested breaker 7 is put into detection station.Depending on the sequencing of above process movement is according to practical operation situation.End to be detected
Afterwards, rotation moves material device 2 according to testing result, and tested breaker 7 is clamped and rotates back to horizontality, qualified products therein are pressed from both sides
It holds to placing on station 64, is clamped on wherein underproof product to waste collection station 65.
Claims (8)
1. a kind of breaker time-delay characteristics detection device, including rack and transmission mechanism, it is characterised in that：It is set in the rack
It is equipped with master controller, timer, constant current input module, detection device and rotation and moves material device, the detection device is pacified vertically
Loaded in rack and include for be tested breaker connecting terminal electrical connection electrode tip and for be tested breaker install
Detection station is provided with clamping station on the transmission mechanism and places station, and the rotation, which moves, expects that device is clamped before detection
Tested breaker is clamped from clamping station to detection station and after sensing is tested breaker self-test station to placing work
On position；The electrode tip is electrically connected with timer, constant current input module, and the timer is for detecting electrode capitiform at connecing
The above-mentioned time is delivered to master controller by logical circuit to the time disconnected, and the master controller is defeated with timer, constant current respectively
Enter module, detection device and rotation shifting material device to be connected.
2. breaker time-delay characteristics detection device according to claim 1, it is characterised in that：Two above and below the detection station
Side is provided with the limiting plate that limit is tested breaker upper and lower, and the detection device includes station bottom plate, the detection station,
Limiting plate, electrode tip may be contained within the front of station bottom plate, and the back side of the station bottom plate is provided with driving electrodes head and passes through limit
The compression for stretching into driving device and compressing connecting terminal for driving electrodes head that position plate stretches into tested breaker connection chamber is driven
Dynamic device.
3. breaker time-delay characteristics detection device according to claim 2, it is characterised in that：It is detected on the station bottom plate
The both sides up and down of station offer through-hole, the electrode tip holder of through-hole are provided through in the through-hole, the electrode tip holder is in through-hole
Vertically movable cooperation is laterally fixedly connected with optical axis on the electrode tip, and the optical axis penetrating electrode seat is simultaneously formed with electrode tip holder
Vertically it is linked；The driving device that stretches into includes the vertical vertical cylinder for being fixed on station bottom plate back side left and right sides and erects
To track, the track connecting plate that cooperation is slid vertically with vertical track, the track connecting plate are provided on the vertical track
It is fixedly connected by screw with the output shaft of vertical cylinder and is fixedly connected with electrode tip holder.
4. breaker time-delay characteristics detection device according to claim 3, it is characterised in that：The compression driving device packet
Center cylinder and guiding axis are included, the output shaft and guiding axis of the center cylinder are laterally arranged and are vertically mounted on station
The back side of bottom plate, is fixedly connected with guiding folded plate on the output shaft of the center cylinder, and the guiding axis is through being oriented to folded plate
And be slidably matched with folded plate is oriented to, both sides are provided with stroke slot hole to the guiding folded plate up and down, and the optical axis passes through stroke slot hole
Outer end is extended to, and optical axis slides in stroke slot hole, outer be sleeved on is provided between the outer end and guiding folded plate of the optical axis
The spring of optical axis periphery, the spring one end abut optical axis outer end, and the other end, which abuts, is oriented to folded plate.
5. breaker time-delay characteristics detection device according to claim 4, it is characterised in that：The detection device has several
It is a, it is installed in rack laterally side by side.
6. the breaker time-delay characteristics detection device according to claim 1 to 5 any claim, it is characterised in that：Institute
State and be additionally provided with preliminary station, barcode scanning station, waste collection station in rack, the tested breaker successively through preliminary station,
Barcode scanning station, clamping station, detection station and qualified products are suitable to waste collection station to station, substandard product is placed
Sequence carries out operation.
7. breaker time-delay characteristics detection device according to claim 6, it is characterised in that：The preliminary station, barcode scanning
The blocking mechanism for preventing tested breaker from being moved along transmission mechanism is both provided on station, clamping station.
8. breaker time-delay characteristics detection device according to claim 7, it is characterised in that：On the waste collection station
It is provided with slideway, the rotation moves material device and tested breaker is clamped under the tested unqualified state of breaker from detection station folder
It holds to slideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721852522.XU CN207730901U (en) | 2017-12-26 | 2017-12-26 | Breaker time-delay characteristics detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721852522.XU CN207730901U (en) | 2017-12-26 | 2017-12-26 | Breaker time-delay characteristics detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730901U true CN207730901U (en) | 2018-08-14 |
Family
ID=63086531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721852522.XU Active CN207730901U (en) | 2017-12-26 | 2017-12-26 | Breaker time-delay characteristics detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207730901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120923A (en) * | 2017-12-26 | 2018-06-05 | 浙江奔龙自动化科技有限公司 | Breaker time-delay characteristics detection device |
-
2017
- 2017-12-26 CN CN201721852522.XU patent/CN207730901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120923A (en) * | 2017-12-26 | 2018-06-05 | 浙江奔龙自动化科技有限公司 | Breaker time-delay characteristics detection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325604 Liujiang Road 258, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Ben long Automation Technology Co., Ltd. Address before: 325604 Liujiang Road 258, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Zhejiang dragon automation technology Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |