CN103439253A - Enamelled wire particle online-detection device - Google Patents
Enamelled wire particle online-detection device Download PDFInfo
- Publication number
- CN103439253A CN103439253A CN201310414597XA CN201310414597A CN103439253A CN 103439253 A CN103439253 A CN 103439253A CN 201310414597X A CN201310414597X A CN 201310414597XA CN 201310414597 A CN201310414597 A CN 201310414597A CN 103439253 A CN103439253 A CN 103439253A
- Authority
- CN
- China
- Prior art keywords
- detection
- postbrachium
- enameled wire
- spring
- detects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to an enamelled wire particle online-detection device and belongs to the field of online detection. A base of the online-detection device is internally provided with a push-pull arc; three hollow cavities are formed in the push-pull arc; each hollow cavity is internally provided with a detection unit; each detection unit comprises a front detection arm, a rear detection arm, an angle sensor and a spring; the angle sensor is arranged on the rear detection arm; a fulcrum shaft is arranged in the center of the rear detection arm; the rear detection arm can rotate freely within a 90-degree range around the fulcrum shaft; a spring fixing seat is arranged on the base at one side of the hollow cavities; one end of the spring is connected with a spring fulcrum at the rear detection arm, and the other end of the spring is connected with the spring fixing seat. The detection units with different angles are arranged and the front detection arm is in contact with the surface of an enamelled wire from different angles, so that the particle situation on the circumference of the round enamelled wire can be precisely detected; the online-detection device can adapted to detection of various wire diameter specifications, but does not cause any damage to the enamelled wire during detection, and brings great convenience for production work of the enamelled wire.
Description
technical field
The present invention relates to the online device for detecting particles of a kind of enameled wire, belong to the on-line measuring device technical field.
Background technology
At present, enamel-covered wire particle paints knurl, Qi Pao, numb skin, is a kind of surface imperfection more common in Production of Enamel Wires, relates to factors, as insullac impurity, production scene dust, bare wire surface imperfection, paint film scraping etc. all can cause enamel-covered wire particle.Enamel-covered wire particle can cause the dimensions of enameled wire to change, and elasticity, enameled wire machinery performance, the electric property of enameled wire are changed, and affects the normal performance of electric product, reduces the reliability of electric product.
At present, known enameled wire circle line surface particle detection mode has two kinds.
The first is that mould detects, the enamel-cover mould that specifically with nib, is slightly larger than tested enameled wire external diameter entangles the enameled wire in advancing, when particle appears in enamelled wire surface, particle can drive the enamel-cover mould, after the enamel-cover mould, interlock has gearing and photoelectric detective circuit, and photoelectric detective circuit output useful signal means to detect particle.But the nib size of enamel-cover mould can not change in real time, when enamelled wire surface has than macroparticle, particle can't easily cause paint film scratch or broken string by the enamel-cover mould; Particle hour, can't drive the enamel-cover mould again, this kind of mode of effect that does not also just have a detection is as disclosed a kind of enameled wire on-line measuring device in the patent No. patent that is 201220568546.3, comprise and detect mould, induction installation and recording instrument without paper, described induction installation is connected with recording instrument without paper, the switch board that also comprises built-in computer equipment, described recording instrument without paper is connected to computer equipment by data line.Also have in the patent that the patent No. is 201220420925.8 and disclose a kind of device for detecting particles, comprise bolt shaft, fixed block, detection of particles die holder, detection of particles mould, regulating shaft and microswitch, described detection of particles mould is placed on the detection of particles die holder, easy on and off slides, described detection of particles die holder and microswitch are arranged on the regulating shaft body, the detection of particles mould is connected with microswitch, described regulating shaft one end stretches out, through described fixed block, described bolt shaft is passed from the opposite side of fixed block; Alarm occurs to touch in described microswitch; Described regulating shaft is vertical with bolt shaft; Described regulating shaft and bolt shaft are bolted on fixed block.The weak point of this mode maximum is, need to vary in size and will change at any time the enamel-cover mould according to the enameled wire specification, these effects limit applying of the method.
The second is that the acceleration transducer principle detects, specifically with two contact metal films that have " V " v notch v, relatively block the enameled wire in advancing, micro-staggering between two contact metal films, all with advance in enameled wire vertical, when particle appears in enamelled wire surface, particle can touch contact metal film, the contact metal film interlock is fixed with the Elastic clamping plate of acceleration transducer, acceleration transducer can be exported an acceleration signal, and follow-up circuit can change into this semaphore a particle signal output.The patent that this kind of mode is 201120058698.4 as the patent No. discloses the online particle detector of a kind of enameled wire, comprise Circuits System, Elastic clamping plate, the contacting metal blade, outgoing line guide wheel, incoming wire guide wheel, support, pressing plate, bolt, the steel edge film trap, it is characterized in that, described contacting metal blade free is placed in the steel edge film trap that width is slightly larger than the contacting metal blade thickness, described Elastic clamping plate is clamped the contacting metal blade, described Elastic clamping plate is connected with Circuits System, the guide groove of described incoming wire guide wheel, space between two contacting metal blades, the guide groove of outgoing line guide wheel is positioned on same straight line and same level line.In this mode, acceleration transducer itself, to vibration sensing, can be mistaken for particle by vibration on the line of enameled wire, reduces the accuracy of system; " V " v notch v of contact metal film, can not be suitable for the enameled wire of different size, can only be similar to 4 points to the line of every kind of specification and contact with enameled wire, and undetected situation is many; Though the breach of contact metal film is done round and smooth processing, because vertically contacting with enameled wire, friction force has scraping to the enameled wire appearance greatly, when detecting, enameled wire has been produced to injury, makes this kind of mode be difficult to promote.
Summary of the invention
The object of the invention is to the deficiency for existing two kinds of detection modes, provide a kind of brand-new online detection enamelled wire surface to have or not the device for detecting particles of particle, in order to detect online better the surface appearance of enameled wire.
For achieving the above object, technical scheme of the present invention is as follows:
The online device for detecting particles of a kind of enameled wire, comprise pedestal, be provided with the push-and-pull circular arc in base interior, be provided with three hollow cavitys on the push-and-pull circular arc, in each hollow cavity, detecting unit is installed, each detecting unit has included and has detected forearm, detected postbrachium, angular transducer and spring, detects forearm and is connected with the detection postbrachium; Angular transducer is arranged on and detects on postbrachium, is provided with signal wire on angular transducer and is connected with the detection head master control borad that is arranged on the pedestal outside; Detect the postbrachium middle part and be provided with fulcrum shaft, fulcrum shaft is fixedly connected on the hollow cavity of pedestal; Detecting postbrachium can rotate freely around fulcrum shaft in 90 degree scopes; Be provided with spring fixed seat on the pedestal of hollow cavity one side, spring one end is connected on the fulcrum of spring that detects postbrachium, and the other end is connected on spring fixed seat.
Further, the detection forearm is fixedly connected on and detects postbrachium near enameled wire one end, and the position that the detection forearm contacts with enameled wire is circular arc, and detection forearm tail end is sphenoid and detects in postbrachium fixing with insertion.
Further, push-and-pull circular arc one end is fixedly connected with drawing handle, is provided with anti-slip veins on drawing handle, is convenient to the push-and-pull circular arc is advanced or pull out to be switched to different duties.
Further, angular transducer is fixed on and detects on postbrachium, can sense the anglec of rotation that detects postbrachium and change, and send the angle change information to the detection head master control borad.
Further, three detecting units be take enameled wire as the center of circle, install one at interval of 60 degree and are fixed on pedestal, and mutually the stagger distance of 10～40mm of each detecting unit, to avoid mechanical interference each other.
The set function and efficacy of above each parts is as follows:
1, pedestal: for the detection head master control borad provides fixing, fulcrum is provided, provides the trajectory range of push-and-pull for the push-and-pull circular arc for detecting unit.
2, fulcrum shaft: 3 fulcrums are provided to 3 detecting units, 3 fulcrums are usingd the enameled wire that detects as the reference center of circle, distribute one at interval of 60 °, and each fulcrum staggers 10～40mm to avoid the mechanical interference of detecting unit.
3, detection head master control borad: the angular transducer from electric in 3 detecting units of connection, and will detect judged result output and be analyzed.
4, push-and-pull circular arc: the duty that is mainly used in switching round line detection head.When pushing the push-and-pull circular arc, circular arc contacts arm portion after the detection in each detecting unit, and, by detecting unit jack-up, makes to detect forearm and break away from enameled wire, and now detection head is holding state, does not work, and facilitates the operations such as thread-changing, maintenance; When pulling out the push-and-pull circular arc, circular arc is the contact detection unit not, and each detecting unit, under the pulling force effect of spring, detects forearm and reliably contacts with enameled wire, and now detection head is duty, can sense the level and smooth situation of enamelled wire surface.
5, detecting unit: single detecting unit, be responsible for detecting the approximately level and smooth situation of 60 ° of detection faces of enameled wire.Each parts of its detecting unit act as: (1) detects postbrachium: connect and fixing use for other ingredient of detecting unit provides, is connected with pedestal by a fulcrum, detecting postbrachium can be around this fulcrum rotation.(2) detect forearm: be fixed on and detect on postbrachium, for contacting with enameled wire circle line.The position that the detection forearm contacts with enameled wire is circular arc, with the surface of contact of raising and enameled wire.Secondly, detect forearm whole for processing on the cylinder basis, the round and smooth processing of cylinder corner angle, then Bending Processing moulding, whole without corner angle, to reduce to damage the factor of enameled wire.(3) angular transducer: be fixed on and detect on postbrachium, can sense the variation of angle, and export to the detection head master control borad and process.(4) spring: for a pulling force is provided, to guarantee that detecting forearm reliably contacts with enameled wire.
Beneficial effect of the present invention is: this invention is by arranging the detecting unit of different angles, utilize the detection forearm to contact from different perspectives enamelled wire surface, detected, can accurately detect the enameled wire circle line paint particle situation of a week, can adapt to the detection of multiple wire diameter specification, in testing process, to the enameled wire not damaged, bring convenience to the Production of Enamel Wires operation.
The accompanying drawing explanation
Fig. 1 is product structure schematic diagram in the embodiment of the present invention.
Fig. 2 is detecting unit structural representation in the embodiment of the present invention.
Fig. 3 is the detection forearm structure schematic diagram in detecting unit in the embodiment of the present invention.
Description of symbols in figure, 1, enameled wire; 2, first detect forearm; 3, pedestal; 4, first detect postbrachium; 5, spring fixed seat; 6, angular transducer; 7, spring; , 8, second detect postbrachium; 9, push-and-pull circular arc; 10, detection head master control borad; 11, drawing handle; 12, the 3rd detect postbrachium; 13, the 3rd detect forearm; 14, second detect forearm; 15, fulcrum shaft; 16, fulcrum of spring.
embodiment
Below with embodiment and accompanying drawing, specifically set forth the specific implementation process of this invention.
embodiment:
The online device for detecting particles of enameled wire as shown in Figure 1, comprise pedestal 3, be provided with push-and-pull circular arc 9 in pedestal 3 inside, be provided with three hollow cavitys on push-and-pull circular arc 9, in each hollow cavity, detecting unit is installed, each detecting unit includes and detects forearm, detects postbrachium, angular transducer and spring, detects forearm and is connected with the detection postbrachium; Angular transducer is arranged on and detects on postbrachium, is provided with signal wire on angular transducer and is connected with the detection head master control borad 10 that is arranged on pedestal 3 outsides; Detect the postbrachium middle part and be provided with fulcrum shaft 15, fulcrum shaft 15 is fixedly connected on the hollow cavity of pedestal 3; Detecting postbrachium can rotate freely around fulcrum shaft 15 in 90 degree scopes; Be provided with spring fixed seat 5 on the pedestal 3 of hollow cavity one side, spring one end is connected on the fulcrum of spring 16 that detects postbrachium, and the other end is connected on spring fixed seat 5.
As shown in Figure 3, the detection forearm is fixedly connected on and detects postbrachium near enameled wire one end, and the position that the detection forearm contacts with enameled wire is circular arc, and detection forearm tail end is sphenoid and detects in postbrachium fixing with insertion.
Push-and-pull circular arc 9 one ends are fixedly connected with drawing handle 11, on drawing handle 11, are provided with anti-slip veins, are convenient to push-and-pull circular arc 9 is advanced or pull out to be switched to different duties.Angular transducer is fixed on and detects on postbrachium, can sense the anglec of rotation that detects postbrachium and change, and send the angle change information to detection head master control borad 10.
Three detecting units be take enameled wire 1 as the center of circle, install one at interval of 60 degree and are fixed on pedestal 3, and mutually the stagger distance of 20mm of each detecting unit, to avoid mechanical interference each other.
The set function and efficacy of above each parts is as follows:
1, pedestal 3: for detection head master control borad 10 provides fixing, fulcrum is provided, provides the trajectory range of push-and-pull for push-and-pull circular arc 9 for detecting unit.
2, fulcrum shaft 15: 3 fulcrums are provided to 3 detecting units, 3 fulcrums are usingd the enameled wire that detects as the reference center of circle, distribute one at interval of 60 °, and each fulcrum staggers about 20mm to avoid the mechanical interference of detecting unit.
3, the detection head master control borad 10: the angular transducer from electric in 3 detecting units of connection, and will detect judged result output and be analyzed.
4, the push-and-pull circular arc 9: the duty that is mainly used in switching round line detection head.When pushing push-and-pull circular arc 9, circular arc contacts arm portion after the detection in each detecting unit, and, by detecting unit jack-up, makes to detect forearm and break away from enameled wire, and now detection head is holding state, does not work, and facilitates the operations such as thread-changing, maintenance; When pulling out the push-and-pull circular arc, circular arc is the contact detection unit not, and each detecting unit, under the pulling force effect of spring, detects forearm and reliably contacts with enameled wire, and now detection head is duty, can sense the level and smooth situation of enamelled wire surface.
5, detecting unit: single detecting unit, be responsible for detecting the approximately level and smooth situation of 60 ° of detection faces of enameled wire.Each parts of its detecting unit act as: (1) detects postbrachium: connect and fixing use for other ingredient of detecting unit provides, is connected with pedestal by a fulcrum, detecting postbrachium can be around this fulcrum rotation.(2) detect forearm: be fixed on and detect on postbrachium, for contacting with enameled wire circle line.The position that the detection forearm contacts with enameled wire is circular arc, with the surface of contact of raising and enameled wire.Secondly, detect forearm whole for processing on the cylinder basis, the round and smooth processing of cylinder corner angle, then Bending Processing moulding, whole without corner angle, to reduce to damage the factor of enameled wire.(3) angular transducer: be fixed on and detect on postbrachium, can sense the variation of angle, and export to the detection head master control borad and process.(4) spring: for a pulling force is provided, to guarantee that detecting forearm reliably contacts with enameled wire.
As Fig. 1, shown in Fig. 2, the first detecting unit comprises that the first detection forearm 2, first detects postbrachium 4, angular transducer 6 and spring 7; The second detecting unit comprises that the second detection forearm 14, second detects postbrachium 8, angular transducer and spring; The 3rd detecting unit comprises that the 3rd detects forearm 13, the 3rd detection postbrachium 12, angular transducer and spring.
This pick-up unit is when specific works, and the enameled wire in making to produce is in the position of enameled wire 1, and when pulling out push-and-pull circular arc 9, push-and-pull circular arc 9 does not touch detecting unit, and described detection postbrachium is subject to spring tension and makes to detect forearm and contact with enameled wire 1, is detected.Now detecting unit and enameled wire 1 are about 45 ° of acute angles, but the different wire diameter of self-adaptation and angle are slightly different, and can follow rotation with the level and smooth situation on enameled wire 1 surface, are now normal operating conditions.When pushing push-and-pull circular arc 9, push-and-pull circular arc 9 touches the detection postbrachium of each detecting unit, and by the jack-up detecting unit and make its enameled wire keeping parallelism of making peace greatly, now detecting unit, by locking, detects forearm and do not contact enameled wire, is now the standby bypass condition; An enameled wire circle line is used two detection heads, and staggered positions staggered relatively is installed, and each detects the hemicycle of enameled wire circle line, and 180 spend, and two detection heads are used in combination, and realizes the all-round detection of approximate 360 degree.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (5)
1. the online device for detecting particles of enameled wire, comprise pedestal, it is characterized in that: described base interior is provided with the push-and-pull circular arc, be provided with three hollow cavitys on described push-and-pull circular arc, in described each hollow cavity, detecting unit is installed, each detecting unit comprises the detection forearm, detects postbrachium, angular transducer and spring, and described detection forearm is connected with the detection postbrachium; Described angular transducer is arranged on and detects on postbrachium, is provided with signal wire on described angular transducer and is connected with the detection head master control borad that is arranged on the pedestal outside; Described detection postbrachium middle part is provided with fulcrum shaft, and described fulcrum shaft is fixedly connected on the hollow cavity of pedestal; Described detection postbrachium can rotate freely around fulcrum shaft in 90 degree scopes; Be provided with spring fixed seat on the pedestal of described hollow cavity one side, described spring one end is connected on the fulcrum of spring that detects postbrachium, and the other end is connected on spring fixed seat.
2. the online device for detecting particles of a kind of enameled wire according to claim 1, it is characterized in that: described detection forearm is fixedly connected on and detects postbrachium near enameled wire one end, the position that described detection forearm contacts with enameled wire is circular arc, and described detection forearm tail end is sphenoid and detects in postbrachium fixing with insertion.
3. the online device for detecting particles of a kind of enameled wire according to claim 1, it is characterized in that: described push-and-pull circular arc one end is fixedly connected with drawing handle, be provided with anti-slip veins on described drawing handle, be convenient to the push-and-pull circular arc is advanced or pull out to be switched to different duties.
4. the online device for detecting particles of a kind of enameled wire according to claim 1, it is characterized in that: described angular transducer is fixed on and detects on postbrachium, can sense the anglec of rotation that detects postbrachium and change, and send the angle change information to the detection head master control borad.
5. the online device for detecting particles of a kind of enameled wire according to claim 1, it is characterized in that: described three detecting units be take enameled wire as the center of circle, installing one at interval of 60 degree is fixed on pedestal, mutually the stagger distance of 10～40mm of each detecting unit, to avoid mechanical interference each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310414597.XA CN103439253B (en) | 2013-09-12 | 2013-09-12 | Enamelled wire particle online-detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310414597.XA CN103439253B (en) | 2013-09-12 | 2013-09-12 | Enamelled wire particle online-detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103439253A true CN103439253A (en) | 2013-12-11 |
| CN103439253B CN103439253B (en) | 2015-04-29 |
Family
ID=49692953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310414597.XA Expired - Fee Related CN103439253B (en) | 2013-09-12 | 2013-09-12 | Enamelled wire particle online-detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103439253B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215665A (en) * | 2014-09-25 | 2014-12-17 | 珠海格力电工有限公司 | Enameled wire defect detection system |
| CN110849408A (en) * | 2019-11-22 | 2020-02-28 | 铜陵精达里亚特种漆包线有限公司 | Flat enameled wire defect monitoring device |
| CN113432962A (en) * | 2021-06-15 | 2021-09-24 | 唐山学院 | Plastic handle bending detection device and use method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920006983B1 (en) * | 1989-12-31 | 1992-08-24 | 금성전선 주식회사 | Insulation continuity check in-line detecting apparatus of enamel cable |
| US6492808B1 (en) * | 2000-06-29 | 2002-12-10 | Intron Plus, Ltd. | Magnetic non-destructive method and apparatus for measurement of cross sectional area and detection of local flaws in elongated ferrous objects in response to longitudinally spaced sensors in an inter-pole area |
| KR100411741B1 (en) * | 2003-08-08 | 2003-12-18 | Il Jin Electric Co Ltd | Device for inspecting surface defects of tube |
| CN202013320U (en) * | 2011-03-09 | 2011-10-19 | 长沙湘鸿仪器机械有限公司 | On-line grain detector for enameled wire |
| CN202631525U (en) * | 2012-07-02 | 2012-12-26 | 浙江洪波科技股份有限公司 | Universal lacquer wart detection and warning device |
| CN202692968U (en) * | 2012-08-02 | 2013-01-23 | 铜陵鑫晟源工业技术有限责任公司 | Enameled wire detection device provided with movable clamping devices |
| CN202794574U (en) * | 2012-08-23 | 2013-03-13 | 江苏大通机电有限公司 | Particle detecting device |
-
2013
- 2013-09-12 CN CN201310414597.XA patent/CN103439253B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920006983B1 (en) * | 1989-12-31 | 1992-08-24 | 금성전선 주식회사 | Insulation continuity check in-line detecting apparatus of enamel cable |
| US6492808B1 (en) * | 2000-06-29 | 2002-12-10 | Intron Plus, Ltd. | Magnetic non-destructive method and apparatus for measurement of cross sectional area and detection of local flaws in elongated ferrous objects in response to longitudinally spaced sensors in an inter-pole area |
| KR100411741B1 (en) * | 2003-08-08 | 2003-12-18 | Il Jin Electric Co Ltd | Device for inspecting surface defects of tube |
| CN202013320U (en) * | 2011-03-09 | 2011-10-19 | 长沙湘鸿仪器机械有限公司 | On-line grain detector for enameled wire |
| CN202631525U (en) * | 2012-07-02 | 2012-12-26 | 浙江洪波科技股份有限公司 | Universal lacquer wart detection and warning device |
| CN202692968U (en) * | 2012-08-02 | 2013-01-23 | 铜陵鑫晟源工业技术有限责任公司 | Enameled wire detection device provided with movable clamping devices |
| CN202794574U (en) * | 2012-08-23 | 2013-03-13 | 江苏大通机电有限公司 | Particle detecting device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215665A (en) * | 2014-09-25 | 2014-12-17 | 珠海格力电工有限公司 | Enameled wire defect detection system |
| CN104215665B (en) * | 2014-09-25 | 2016-04-20 | 珠海格力电工有限公司 | Enameled wire defect detecting system |
| CN110849408A (en) * | 2019-11-22 | 2020-02-28 | 铜陵精达里亚特种漆包线有限公司 | Flat enameled wire defect monitoring device |
| CN110849408B (en) * | 2019-11-22 | 2021-05-14 | 铜陵精达里亚特种漆包线有限公司 | Flat enameled wire defect monitoring device |
| CN113432962A (en) * | 2021-06-15 | 2021-09-24 | 唐山学院 | Plastic handle bending detection device and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103439253B (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107860282B (en) | Integrative detection device is led to and ends to screw thread | |
| CN203518937U (en) | High-voltage breaker mechanical characteristic tester | |
| CN202815097U (en) | Insulating medium loss on-line monitoring system | |
| CN103513180A (en) | Motor operation state monitoring and fault detecting system | |
| CN103335620B (en) | Circuit breaker stroke detection system and installation method thereof | |
| CN103439253B (en) | Enamelled wire particle online-detection device | |
| CN203396914U (en) | Motor running state monitoring and fault detection system | |
| CN202066475U (en) | Diameter measuring instrument | |
| CN204228735U (en) | Measure the device of motor speed | |
| CN104833301A (en) | Insulator surface RTV spraying thickness measuring device | |
| CN207894963U (en) | Tooling for circuit board detecting | |
| CN103760477A (en) | Withstand voltage test mechanism | |
| CN203965589U (en) | A kind of approach switch pick-up unit | |
| CN202600086U (en) | Pole reverse detection device of electrolytic capacitor sleeve device | |
| CN105300330A (en) | Device for accurately detecting screw state and method | |
| CN104457592A (en) | Cable length measurement device | |
| CN203908702U (en) | Multi-point humiture measuring indicator | |
| CN207908633U (en) | A kind of circuit fault detecting apparatus | |
| CN203732676U (en) | Withstand voltage testing mechanism | |
| CN108037328A (en) | Frock for circuit board detecting | |
| CN203414527U (en) | Resistance detection apparatus for alloy wire | |
| CN204241610U (en) | The online path testing system of a kind of wave filter | |
| CN209656840U (en) | A kind of wire insulation detector | |
| CN202710022U (en) | Wire-passing die alarm device | |
| CN204789894U (en) | Transformer charged detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150429 |