CN202195797U - Diode detecting device - Google Patents
Diode detecting device Download PDFInfo
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- CN202195797U CN202195797U CN2011203346446U CN201120334644U CN202195797U CN 202195797 U CN202195797 U CN 202195797U CN 2011203346446 U CN2011203346446 U CN 2011203346446U CN 201120334644 U CN201120334644 U CN 201120334644U CN 202195797 U CN202195797 U CN 202195797U
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Abstract
The utility model discloses a diode detecting device, which comprises a positioning block, a first guide rod, a conductive sheet, a conductive sheet installation seat, a second guide rod, an approaching switch, an approaching switch sensing board, a base and a detecting circuit. The positioning block is fixed on the first guide rod, the first guide rod is movably installed on the base, and a through hole for a pin of the diode to penetrate through is arranged on the positioning block. The conductive sheet is arranged below the through hole and placed on the conductive sheet installation seat fixed on the second guide rod. The second guide rod is movably installed on the base, the first guide rod is parallel to the second guide rod, one terminal of a detecting circuit is electrically contacted with the head portion of a diode during detection, and the other terminal is connected with the conductive sheet. Either the approaching switch sensing board or the approaching switch is fixed at the free end of the second guide rod, and the other one is fixed on the base. The detecting circuit comprises a power supply and a current meter which are connected in series, the approaching switch and the detecting circuit are connected in series, or the approaching switch is independently powered by another direct current power supply.
Description
Technical field
The utility model relates to the detection of electronic devices and components, particularly relates to a kind of diode detection device.
Background technology
Diode is one of the semiconductor devices the earliest that is born, and its application is very extensive, and the diode in the automobile rectifier bridge is the core component of motor car engine; Strict especially to its quality requirements, mainly rely on raw material supplier's quality control and the quality that half-finished sampling Detection of later stage detects diode for a long time, because the matter of whole process reason is difficult to guarantee; Cause automobile that the tragic event of spontaneous combustion in use often takes place, as when being press fit into diode in the automobile rectifier bridge, if the stitch skewness of diode surpasses the error range that allows; Perhaps the stitch of diode is short partially, and after can causing press-fiting, diode can't operate as normal; Perhaps sometimes, the length of diode and skewness are all qualified, but the polarity type of diode is defective; Press-fit N type diode like original needs; But what press-fit is P type diode, has perhaps press-fited the substandard products of two-way equal conducting, when being press fit into this type of diode in the automobile rectifier bridge; Can cause in use causing short circuit, so the electrical property to diode detects just particularly important when press-fiting.
Summary of the invention
The utility model technical matters to be solved is: remedy the deficiency of above-mentioned prior art, propose a kind of diode detection device, whether the stitch length that can detect diode is qualified.
The technical matters of the utility model solves through following technical scheme:
A kind of diode detection device comprises locating piece, first guide rod, conducting strip, conducting strip mount pad, second guide rod, near switch, near inductive switching plate, base, testing circuit; Said locating piece is fixed on said first guide rod, and said first guide rod is movably arranged on the said base, and said locating piece is provided with the through hole that the stitch that is used for diode to be detected passes through; Said conducting strip is arranged on the below of said through hole; And be placed on the said conducting strip mount pad; Said conducting strip mount pad is fixed on said second guide rod, and said second guide rod is movably arranged on the said base, and said first guide rod and second guide rod laterally arrange; A terminal of said testing circuit when detecting and the head of said diode to be detected electrically contact, another terminal is connected with said conducting strip; Saidly be fixed on the free end of said second guide rod near the inductive switching plate with near one of them of switch; Another is fixed on the said base; Said testing circuit comprises direct supply and the reometer that is connected in series; Saidly be connected in series, perhaps saidly use another DC power supply separately near switch near switch and said testing circuit.
Preferably; Also comprise the first unidirectional double throw switch and the second unidirectional double throw switch in the said testing circuit; First end of the said first unidirectional double throw switch is as first test side; First end of the said second unidirectional double throw switch is as second test side, and the head of said first test side and diode to be detected electrically contacts, and said second test side connects said conducting strip; Second end of the said first unidirectional double throw switch is connected the back and is connected with the positive pole of said direct supply with the 3rd end of the said second unidirectional double throw switch, the 3rd end of the said first unidirectional double throw switch is connected the back and is connected with the negative pole of said direct supply with second end of the said second unidirectional double throw switch; Said reometer is connected between the positive pole of tie point and said direct supply of the 3rd end of second end and the said second unidirectional double throw switch of the said first unidirectional double throw switch, and perhaps said reometer is connected between the negative pole of tie point and said direct supply of second end of the 3rd end and the said second unidirectional double throw switch of the said first unidirectional double throw switch.
Owing to adopt such scheme, when preset detect be P type diode the time, first end of the first unidirectional double throw switch and second termination are led to; First end of the second unidirectional double throw switch and second termination are logical; To the logical forward current of P type diode, whether the length that is used to detect diode is qualified, after length is qualified; First end of the first unidirectional double throw switch and the 3rd termination are logical; First end of the second unidirectional double throw switch and the 3rd termination are logical, and to the logical inverse current of P type diode, the principle that conducting oppositely ends according to diode forward can confirm whether the polarity of this diode is qualified; When preset detect be N type diode the time; First end of the first unidirectional double throw switch and the 3rd termination are logical, and first end of the second unidirectional double throw switch and the 3rd termination are logical, to the logical forward current of N type diode; Whether the length that is used to detect diode is qualified; After length was qualified, first end of the first unidirectional double throw switch and second termination were logical, and first end of the second unidirectional double throw switch and second termination are logical; To the logical inverse current of N type diode, the principle that conducting oppositely ends according to diode forward can confirm whether the polarity of this diode is qualified.
Preferably; Said first end near switch is connected between the positive pole of tie point and said direct supply of the 3rd end of second end and the said second unidirectional double throw switch of the said first unidirectional double throw switch; Said second end near switch is connected between the negative pole of tie point and said direct supply of second end of the 3rd end and the said second unidirectional double throw switch of the said first unidirectional double throw switch, and said the 3rd end near switch is arranged between the negative pole of said second end and said direct supply near switch.
Preferably, the aperture of said through hole is 4-6mm, when the head of said diode be positioned at through hole directly over the time, said through hole can make the stitch of the to be detected diode of stitch skew angle in predetermined error range pass through.Whether the stitch skewness that can be used to detect diode is qualified.
Preferably; Also comprise the spacing tool of diode specification; The spacing tool of said diode specification is placed on the said base, and places under said first guide rod, and the distance of the free end end of said first guide rod and the spacing tool upper surface of said diode specification is A; Said distance A is corresponding with the stitch lengths of said diode; The stitch of said diode to be detected is through behind the said through hole, and the free end end of said stitch and the distance of said conducting strip upper surface are B, the error in length scope that the stitch of B-A=diode is predetermined.Like this, when detecting, first guide rod all can drop to the spacing tool upper surface of diode specification at every turn; As long as the length of diode qualified (comprising normal or long partially predetermined error in length); The free end end of stitch will be connected with the conducting strip upper surface, and testing circuit forms the loop, through changing the different spacing tools of diode specification; The diode detection that can be used for different size is than higher with the mode efficient and the accuracy of the diode that adapts to different size through direct adjusting first guide rod.
Preferably, also comprise first spring that is connected to said locating piece and base, and be connected to second spring between said conducting strip mount pad and the base.
The beneficial effect of the utility model and prior art contrast is: the technical scheme that adopts the utility model; Use near switch with near the stitch lengths of inductive switching plate booster diode and detect, when being arranged in the testing circuit, when testing circuit has signal near switch; The stitch lengths that just can judge diode is qualified; If testing circuit does not have signal, then or the stitch of diode is long partially to surpass predetermined error range, or lack partially; So just can the stitch length of diode be detected and judge; Eliminate substandard products, when using independent power supply, then have only testing circuit and have detection signal could judge that the stitch lengths of diode is qualified simultaneously near switch near switch.Further, can also the stitch skewness of diode be detected, the polarity of diode is confirmed, guaranteed the quality of diode more.
Description of drawings
Diode detection device synoptic diagram among Fig. 1 the utility model embodiment one;
Fig. 2 is the circuit diagram of testing circuit when detecting P type diode with Fig. 1;
Fig. 3 is the circuit diagram of testing circuit when detecting N type diode with Fig. 1;
The circuit diagram of testing circuit when Fig. 4 is the utility model embodiment two detection P type diodes;
Fig. 5 is the utility model embodiment two circuit diagram near switch when detecting P types or N type diode;
The circuit diagram of testing circuit when Fig. 6 is the utility model embodiment two detection N type diodes.
Embodiment
The contrast accompanying drawing carries out detailed elaboration with the combination preferred embodiment to the utility model below.
In one embodiment, diode detection device comprises locating piece, first guide rod, conducting strip, conducting strip mount pad, second guide rod, near switch, near inductive switching plate, base, testing circuit; Said locating piece is fixed on said first guide rod, and said first guide rod is movably arranged on the said base, and said locating piece is provided with the through hole that the stitch that is used for diode to be detected passes through; Said conducting strip is arranged on the below of said through hole; And be placed on the said conducting strip mount pad; Said conducting strip mount pad is fixed on said second guide rod, and said second guide rod is movably arranged on the said base, and said first guide rod and second guide rod laterally arrange; A terminal of said testing circuit when detecting and the head of said diode to be detected electrically contact, another terminal is connected with said conducting strip; Saidly be fixed on the free end of said second guide rod near the inductive switching plate with near one of them of switch; Another is fixed on the said base; Said testing circuit comprises direct supply and the reometer that is connected in series; Saidly be connected in series, perhaps saidly use another DC power supply separately near switch near switch and said testing circuit.
Embodiment one:
As shown in Figure 1, diode detection device comprises locating piece 1, first guide rod 2, conducting strip 3, conducting strip mount pad 4, second guide rod 5, near switch 6, near inductive switching plate 7, base 8, testing circuit 14; Locating piece 1 is fixed on first guide rod 2, and first guide rod 2 is movably arranged on the base 8, can drive locating piece 1 and on base 8, move up and down, and locating piece 1 is provided with the through hole 13 that the stitch 121 that is used for diode 12 to be detected passes through; Conducting strip 3 is arranged on the below of through hole 13; And be placed on the conducting strip mount pad 4, conducting strip mount pad 4 is fixedly mounted on second guide rod 5, and second guide rod 5 is movably arranged on the base 8; Can on base 8, move up and down; First guide rod 2 and second guide rod 5 laterally arrange, a terminal of testing circuit 14 when detecting and the head 122 of diode to be detected 12 electrically contact, another terminal is connected with conducting strip 3; Be fixed on the free end 51 of second guide rod 5 near inductive switching plate 7, be fixed on the base 7 near switch 6, testing circuit 14 comprises the direct supply 141 and reometer 144 that is connected in series; Be connected in series near switch 6 and testing circuit 14; In near switch 6 and the distance of reaction C near inductive switching plate 7, near switch 6 conductings, testing circuit can form the loop; Signal is arranged, and the length of the stitch 121 of diode 12 to be detected is qualified.
Also comprise the first unidirectional double throw switch 142 and the second unidirectional double throw switch 143 in the testing circuit 14; Wherein, First end 1421 of the first unidirectional double throw switch 142 is as the first test side V1; First end 1431 of the second unidirectional double throw switch 143 is as the second test side V2, and the head 121 of first test side and diode to be detected 12 electrically contacts during detection, and second test side connects conducting strip 3; Second end 1422 of the first unidirectional double throw switch 142 is connected the back and is connected with the positive pole of direct supply 141 with the 3rd end 1433 of the second unidirectional double throw switch 143, the 3rd end 1423 of the first unidirectional double throw switch 142 is connected the back and is connected with the negative pole of direct supply 141 with second end 1432 of the second unidirectional double throw switch 143; Reometer 144 is connected between the negative pole of tie point and direct supply 141 of second end 1432 of the 3rd end 1423 and the second unidirectional double throw switch 143 of the first unidirectional double throw switch 142 (certainly, reometer 144 also can be connected between the positive pole of tie point and direct supply 141 of the 3rd end 1433 of second end 1422 and the second unidirectional double throw switch 143 of the first unidirectional double throw switch 142); Be connected near first end 61 of switch 6 between the positive pole of tie point and direct supply 141 of the 3rd end 1433 of second end 1422 and the second unidirectional double throw switch 143 of the first unidirectional double throw switch 142; To supplying power near switch 6; Be connected near second end 62 of switch 6 between the negative pole of tie point and direct supply 141 of second end 1432 of the 3rd end 1423 and the second unidirectional double throw switch 143 of the first unidirectional double throw switch 142, be arranged between second end 62 and direct supply 141 negative poles near switch 6 near the 3rd end 63 of switch.
As shown in Figure 2, when preset detect be P type diode the time, first end 1421 of the first unidirectional double throw switch 142 and 1422 connections of second end; First end 1431 of the second unidirectional double throw switch 143 and second end 1432 are connected, and the first test side V1 connects the head (promptly anodal) of P type diode, and the second test side V2 connects conducting strip (when the stitch of P type diode contacts with conducting strip, being negative pole); To the logical forward current of P type diode,, then understand in distance of reaction C near switch 6 with near inductive switching plate 7 if the length of diode is qualified; Second end 62 and the 3rd end 63 near switch 6 are connected, and reometer 144 deflections have signal in the testing circuit 14; If the length of diode is long partially to surpass predetermined error in length, then surpass distance of reaction C near switch 6 with near the distance of inductive switching plate 7, break off near the 3rd end 63 of switch 6; Testing circuit 14 does not have signal, and perhaps the length of diode is short partially, and the first test side V1 and the second test side V2 do not have conducting; Testing circuit does not have signal yet; After length was qualified, first end 1421 of the first unidirectional double throw switch 142 and the 3rd end 1423 were connected, and first end 1431 of the second unidirectional double throw switch 143 and the 3rd end 1433 are connected; To the logical inverse current of P type diode; The principle that conducting oppositely ends according to diode forward can confirm whether the polarity of this diode is qualified, if testing circuit 14 still has signal, then the polarity of this diode to be detected is defective; If testing circuit 14 no signals, then the polarity of this diode to be detected is qualified.
As shown in Figure 3, when preset detect be N type diode the time, first end 1421 of the first unidirectional double throw switch 142 and 1423 connections of the 3rd end; First end 1431 of the second unidirectional double throw switch 143 and the 3rd end 1433 are connected, and the first test side V1 connects the head (being negative pole) of N type diode, and the second test side V2 connects conducting strip (when the stitch of N type diode contacts with conducting strip, being positive pole); To the logical forward current of N type diode,, then understand in distance of reaction C near switch 6 with near inductive switching plate 7 if the length of diode is qualified; Second end 62 and the 3rd end 63 near switch 6 are connected, and reometer 144 deflections have signal in the testing circuit 14; If the length of diode is long partially to surpass predetermined error in length, then surpass distance of reaction C near switch 6 with near the distance of inductive switching plate 7, break off near the 3rd end 63 of switch 6; Testing circuit 14 does not have signal; Perhaps the length of diode is short partially, and the first test side V1 and the second test side V2 do not have conducting, and testing circuit does not have signal yet; After length is qualified; First end 1421 of the first unidirectional double throw switch 142 and second end 1422 are connected; First end 1431 of the second unidirectional double throw switch 143 and second end 1422 are connected, and to the logical inverse current of N type diode, the principle that conducting oppositely ends according to diode forward can confirm whether the polarity of this diode is qualified; If testing circuit 14 still has signal, then the polarity of this diode to be detected is defective; If testing circuit 14 no signals, then the polarity of this diode to be detected is qualified.
Diode detection device comprises that also the both ends of first spring 9 and second spring, 10, the first springs 9 are connected with base 8 with locating piece 1 respectively; The both ends of second spring 10 are connected with base 8 with conducting strip mount pad 4 respectively.
Diode detection device also comprises the spacing tool 11 of diode specification; It is placed on the base 8, and place first guide rod 2 under, the distance of spacing tool 11 upper surfaces of the free end end of first guide rod 2 and diode specification is A; Distance A is corresponding with the length of the stitch 121 of diode 12; The distance of the free end end of stitch 121 and conducting strip 3 upper surfaces is B, B>A, and the error in length scope of the stitch of B-A=diode permission; The error in length scope that stitch allows in the present embodiment is (this error range can be directed against different diodes certainly, and the requirement of diode specifically is provided with) in the 0.5mm.The diode specification localization tool that the diode of different size is corresponding different; Change the Performance Detection that diode specification localization tool can be suitable for the different size diode; As long as it is corresponding one by one from the stitch lengths of the distance of the free end end of first guide rod diode corresponding with this diode specification localization tool to set the upper surface of diode specification localization tool; When detecting the stitch lengths of diode; The free end end of first guide rod drops to the upper surface of diode regulation localization tool, if the length of diode is short partially, then the stitch of diode can not contact with conducting strip; If the stitch of diode contacts with conducting strip, then whether there is signal to judge the length whether qualified (stitch lengths of the qualified diode that is meant of length is normal, and perhaps stitch is long partially in the error in length scope that allows) of diode through testing circuit.
The aperture of through hole 13 is 4-6mm; When the head 122 of diode 12 be positioned at through hole 13 directly over the time; Through hole 13 passes through the stitch of the to be detected diode of stitch skew angle in predetermined error range, and whether the stitch skewness that can be used to detect diode is qualified.
Embodiment two:
Be with the difference of embodiment one, do not comprise in the testing circuit 14, use independent DC power supply near switch 6 near switch 6; Shown in Fig. 4-6, when whether the length of judging diode is qualified, when testing circuit 14 has signal; And near switch 6 with near inductive switching plate 7 induced signal is arranged, then the stitch lengths of diode to be detected is qualified, testing circuit 14 no signals; Near switch 6 with near inductive switching plate 7 induced signal is arranged; Then the stitch lengths of diode to be detected is short partially, and testing circuit 14 has signal, near switch 6 with near inductive switching plate 7 non-inductive signals; Then the stitch lengths of diode to be detected is long partially above predetermined error in length, and its course of work repeats no more.
Embodiment three:
Adopt the method for the pick-up unit detection diode of embodiment one, specifically comprise the steps:
(1) the stitch skewness detects step: the verticality that detects stitch 121 with the head 122 of diode 12 to be detected of diode 12 to be detected; When the head 122 of diode 12 to be detected be positioned at through hole 13 directly over the time, if the stitch of diode 121 is vertical with head 122, perhaps stitch 121 is crooked in certain error range; The diameter of through hole is 5mm in the present embodiment; Allowing crooked diameter range is in the 5mm, and then stitch 121 can pass through through hole 13, and the skewness of its stitch is normal; If stitch 121 can not pass through through hole 13, then the skewness of stitch is undesired, and this diode is defective.
(2) positioning step: the normal diode of stitch skewness is placed on the locating piece 1 through through hole 13;
(3) move step: make the certain distance of locating piece 2 declines, said certain distance is corresponding with the length of the stitch of diode to be detected;
(4) determining step: if (this preset detection time can specifically be provided with as required in the preset detection time; In the present embodiment for 0.5s) interior testing circuit 14 do not have detection signal; The length of then judging diode is defective; If preset detection in the time testing circuit 14 detection signal is arranged, judge that then the length of diode is qualified.
(5) confirm the polarity step of diode: in (4) determining step the length of stitch 121 qualified after; Comprise also whether the polarity that detects diode 12 to be detected is qualified; That is: no matter preset diode polarity still be the N type for the P type, detect stitch lengths when qualified to this diode to be checked logical be forward current, then make testing circuit 14 lead to inverse current to this P type diode; If testing circuit has signal; Then the polarity of this diode to be detected is defective, if the testing circuit no signal, then the polarity of this diode to be detected is qualified.
Embodiment four:
Be with the difference of embodiment three: be to adopt the pick-up unit among the embodiment two to detect, repeat no more.
The diode detection device of above-mentioned arbitrary embodiment can use separately, also can be used with other outside transfer mechanisms, and when being used with outside transfer mechanism, whole process can detect automatically, and its efficient can reach 0.5s/ spare.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, do not breaking away under the prerequisite of the utility model design, make some being equal to substitute or obvious modification, and performance or purposes are identical, all should be regarded as belonging to the protection domain of the utility model.
Claims (6)
1. diode detection device is characterized in that: comprise locating piece, first guide rod, conducting strip, conducting strip mount pad, second guide rod, near switch, near inductive switching plate, base, testing circuit;
Said locating piece is fixed on said first guide rod, and said first guide rod is movably arranged on the said base, and said locating piece is provided with the through hole that the stitch that is used for diode to be detected passes through;
Said conducting strip is arranged on the below of said through hole; And be placed on the said conducting strip mount pad; Said conducting strip mount pad is fixed on said second guide rod, and said second guide rod is movably arranged on the said base, and said first guide rod and second guide rod laterally arrange; A terminal of said testing circuit when detecting and the head of said diode to be detected electrically contact, another terminal is connected with said conducting strip;
Saidly be fixed on the free end of said second guide rod near the inductive switching plate with near one of them of switch; Another is fixed on the said base; Said testing circuit comprises direct supply and the reometer that is connected in series; Saidly be connected in series, perhaps saidly use another DC power supply separately near switch near switch and said testing circuit.
2. diode detection device as claimed in claim 1; It is characterized in that: also comprise the first unidirectional double throw switch and the second unidirectional double throw switch in the said testing circuit; First end of the said first unidirectional double throw switch is as first test side; First end of the said second unidirectional double throw switch is as second test side, and the head of said first test side and diode to be detected electrically contacts, and said second test side connects said conducting strip; Second end of the said first unidirectional double throw switch is connected the back and is connected with the positive pole of said direct supply with the 3rd end of the said second unidirectional double throw switch, the 3rd end of the said first unidirectional double throw switch is connected the back and is connected with the negative pole of said direct supply with second end of the said second unidirectional double throw switch; Said reometer is connected between the positive pole of tie point and said direct supply of the 3rd end of second end and the said second unidirectional double throw switch of the said first unidirectional double throw switch, and perhaps said reometer is connected between the negative pole of tie point and said direct supply of second end of the 3rd end and the said second unidirectional double throw switch of the said first unidirectional double throw switch.
3. diode detection device as claimed in claim 2; It is characterized in that: said first end near switch is connected between the positive pole of tie point and said direct supply of the 3rd end of second end and the said second unidirectional double throw switch of the said first unidirectional double throw switch; Said second end near switch is connected between the negative pole of tie point and said direct supply of second end of the 3rd end and the said second unidirectional double throw switch of the said first unidirectional double throw switch, and said the 3rd end near switch is arranged between the negative pole of said second end and said direct supply near switch.
4. like any described diode detection device of claim 1-3; It is characterized in that: the aperture of said through hole is 4-6mm; When the head of said diode be positioned at through hole directly over the time, said through hole can make the stitch of the to be detected diode of stitch skew angle in predetermined error range pass through.
5. like any described diode detection device of claim 1-3; It is characterized in that: also comprise the spacing tool of diode specification; The spacing tool of said diode specification is placed on the said base, and places under said first guide rod, and the distance of the free end end of said first guide rod and the spacing tool upper surface of said diode specification is A; Said distance A is corresponding with the stitch lengths of said diode; The stitch of said diode to be detected is through behind the said through hole, and the free end end of said stitch and the distance of said conducting strip upper surface are B, the error in length scope that the stitch of B-A=diode is predetermined.
6. diode detection device as claimed in claim 5 is characterized in that: also comprise first spring that is connected to said locating piece and base, and be connected to second spring between said conducting strip mount pad and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203346446U CN202195797U (en) | 2011-09-07 | 2011-09-07 | Diode detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203346446U CN202195797U (en) | 2011-09-07 | 2011-09-07 | Diode detecting device |
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| CN202195797U true CN202195797U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203346446U Expired - Fee Related CN202195797U (en) | 2011-09-07 | 2011-09-07 | Diode detecting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798777A (en) * | 2012-07-31 | 2012-11-28 | 黄山市祁门新飞电子科技发展有限公司 | Test device for three-phase rectification bridge |
| CN103499945A (en) * | 2013-10-12 | 2014-01-08 | 四川蓝彩电子科技有限公司 | Glass-packaged diode detecting and labeling device |
| CN114113705A (en) * | 2021-11-23 | 2022-03-01 | 中车大连机车车辆有限公司 | Diode terminal strip with self-detection fault state and detection circuit thereof |
-
2011
- 2011-09-07 CN CN2011203346446U patent/CN202195797U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798777A (en) * | 2012-07-31 | 2012-11-28 | 黄山市祁门新飞电子科技发展有限公司 | Test device for three-phase rectification bridge |
| CN102798777B (en) * | 2012-07-31 | 2014-12-03 | 黄山市祁门新飞电子科技发展有限公司 | Test device for three-phase rectification bridge |
| CN103499945A (en) * | 2013-10-12 | 2014-01-08 | 四川蓝彩电子科技有限公司 | Glass-packaged diode detecting and labeling device |
| CN103499945B (en) * | 2013-10-12 | 2015-08-12 | 四川蓝彩电子科技有限公司 | A kind of glass-encapsulated diode detection and add device for mark |
| CN114113705A (en) * | 2021-11-23 | 2022-03-01 | 中车大连机车车辆有限公司 | Diode terminal strip with self-detection fault state and detection circuit thereof |
| CN114113705B (en) * | 2021-11-23 | 2023-09-22 | 中车大连机车车辆有限公司 | Diode terminal strip with self-detection fault state and detection circuit thereof |
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