CN202093138U - Circuit board defect detecting device based on visual detection method - Google Patents
Circuit board defect detecting device based on visual detection method Download PDFInfo
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- CN202093138U CN202093138U CN2011201847835U CN201120184783U CN202093138U CN 202093138 U CN202093138 U CN 202093138U CN 2011201847835 U CN2011201847835 U CN 2011201847835U CN 201120184783 U CN201120184783 U CN 201120184783U CN 202093138 U CN202093138 U CN 202093138U
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 230000007547 defect Effects 0.000 title claims abstract description 27
- 230000000007 visual effect Effects 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000001360 synchronised effect Effects 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 30
- 238000011084 recovery Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000004807 localization Effects 0.000 claims description 4
- 230000002950 deficient Effects 0.000 description 11
- 238000013461 design Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
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- 238000013100 final test Methods 0.000 description 1
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Abstract
The utility model provides a circuit board defect detecting device based on a visual detection method; the circuit board defect detecting device comprises a feeding module, a detection function module, a discharge module and a control module; the control module is used for controlling the action of a circuit board positioning mechanism and detecting the defect and controlling the discharge; the feeding module is connected with the inlet of a feeding conveying belt; the outlet of the feeding conveying belt is connected with the detection function module; the circuit board positioning mechanism is installed at the outlet of the feeding conveying belt; the detection function module is jointed with the discharge module, wherein the detection function module comprises a detection function module base, a camera frame equipped with a CCD(Charge Coupled Device) camera, an electromagnet baffle and a detection conveying belt for conveying the circuit board to be detected; the detection conveying belt is installed on the detection function module base; the camera frame is located above the detection conveying belt; the electromagnet baffle is installed at the outlet of the detection conveying belt. The utility model has improved accuracy, rapid detection speed and high work efficiency.
Description
Technical field
The utility model relates to circuit board detection device, especially a kind of circuit board defect checkout equipment.
Background technology
The main in the past manual detection method that relies on of the detection of board failure there is defectives such as easy omission, detection speed is slow, detection time is long, can not meet the needs of production.
Summary of the invention
For the deficiency that accuracy is lower, speed slow, work efficiency is lower that overcomes existing circuit board detecting method, the utility model provides a kind of and improves that accuracy, detection speed are fast, the circuit board defect checkout equipment based on visual detection method of high efficiency.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of circuit board defect checkout equipment based on visual detection method, described circuit board defect checkout equipment comprises the material loading module, the measuring ability module, discharging module and the control module of moving and carrying out defects detection and discharging control in order to the control circuit board positioning mechanism, described material loading module is connected with the inlet of feeding travelling belt, the outlet of described feeding travelling belt is connected with described measuring ability module, the exit mounting circuit boards detent mechanism of described feeding travelling belt, described measuring ability module is connected mutually with the discharging module, wherein
Described measuring ability module comprises measuring ability module base, the camera pedestal that ccd video camera is installed, electromagnet baffle plate and in order to carry the detection travelling belt of circuit board to be detected, described detection travelling belt is installed on the described measuring ability module base, described camera pedestal is positioned at described detection travelling belt top, and described electromagnet baffle plate is installed in the exit of described detection travelling belt.
Further, described measuring ability module also comprises spacing adjusting mechanism, a fixed dam and a fender plate, fixed dam and fender plate lay respectively at the both sides of described detection travelling belt, described spacing adjusting mechanism is made up of an alternating current generator and double-screw bolt, described spacing adjusting mechanism is installed on described measuring ability module chassis side, the output shaft of described alternating current generator is fixedlyed connected with described double-screw bolt, described double-screw bolt and described measuring ability module base form screw pair, and described double-screw bolt is terminal fixedlys connected with described fender plate.
Further, described measuring ability module also comprises the secondary light source that is used for auxiliary described ccd video camera shooting, and described secondary light source is installed on around the described camera pedestal.
Further again, described material loading module comprises material loading module base, is with feed mechanism and material loading frame synchronously, described material loading frame and synchronous band feed mechanism are installed in described material loading module base, described synchronous band feed mechanism comprises synchronizing wheel, vertical supporting bar, a pair of two-sided synchronous band, two pairs of bevel gear drive mechanisms and two drive stepping motor, the synchronizing wheel of installation up and down of described vertical supporting bar, described synchronous band is sleeved on the described synchronizing wheel, and described drive stepping motor is in transmission connection by described bevel gear drive mechanism and described two-sided synchronous band.
Described material loading module comprises clamping spacing adjusting mechanism, described clamping spacing adjusting mechanism comprises base for supporting, the adjustable distance objective table, pulley, spacing is adjusted drive motor and double-screw bolt, described base for supporting is installed on the described material loading module base, described adjustable distance objective table is installed on the described base for supporting by pulley, the bottom of described adjustable distance objective table cooperates the formation screw pair with described double-screw bolt, described spacing is adjusted the side that drive motor is installed in described material loading module base, the driving shaft of described spacing adjustment drive motor is fixedlyed connected with described double-screw bolt, described adjustable distance objective table is fixedlyed connected with vertical supporting bar, and the bevel gear drive mechanism that is connected with described vertical supporting bar is sleeved on the main shaft of drive stepping motor slidably.
Described discharging module comprises sorting module base, discharging travelling belt, position transducer, travelling belt push rod, discharge baffle and reverse sync band feed mechanism, described reverse sync band feed mechanism comprises synchronizing wheel, vertical supporting bar, a pair of two-sided synchronous band, two pairs of bevel gear drive mechanisms and two drive stepping motor, the synchronizing wheel of installation up and down of described vertical supporting bar, described synchronous band is sleeved on the described synchronizing wheel, and described drive stepping motor is in transmission connection by described bevel gear drive mechanism and described two-sided synchronous band; Described position transducer is installed on reverse sync band feed mechanism front end, described travelling belt push rod is installed on the described sorting module base, described travelling belt push rod is positioned at the side of described discharging travelling belt, install between the described a pair of two-sided synchronous band and reclaim travelling belt, the release station of the inlet of described recovery travelling belt and described travelling belt push rod joins, and discharge baffle is installed in the outlet of described recovery travelling belt.
Described board positioning means comprises locating device base, positioning baffle and localization handspike, described board positioning means is installed on feeding travelling belt end, described localization handspike with drive the cylinder interlock, described positioning baffle side be equipped be used to judge circuit board to be detected whether with positioning baffle near position transducer.
Described material loading frame comprises material loading frame shell and material loading frame push rod, and the inboard both sides of described material loading frame shell are equipped with equally spaced material loading frame bin, and described material loading frame push rod is installed in the material loading frame shell, and described circuit board to be detected is put in respectively on the described material loading frame bin.
Technical conceive of the present utility model is: realize that based on vision detection technology circuit board defect detects.The mode that Machine Vision Detection is taken a picture by CCD obtains the image of device and PCB, relatively judges defective and fault through the processing and the analysis of computing machine then.
Described synchronous band feed mechanism cooperates the assigned address that circuit board to be detected is transported in the measuring ability module at the uniform velocity, exactly to detect with described circuit board detent mechanism, described control module according to testing result by the discharging module respectively to the processing of classifying of testing circuit plate: certified products directly are sent to next station of production line, unacceptable product and can't judge that whether qualified circuit board reclaims by a recovery approach respectively.
Its advantage is that detection speed is fast, and the programming time is shorter, can be put into the diverse location of production line, is convenient in time find defective and fault, and production, detection are united two into one; And can shorten and find defective and fault-time, owing to detect before this technology can be placed on reflow ovens, can in time find the PCB defective that causes by a variety of causes, this moment correcting defect cost well below at final test with the cost that carries out after checking, reach tens times usually.
The beneficial effects of the utility model mainly show: adopt vision detection technology to carry out circuit board defect and detect, defectives such as easy omission, detection speed that the manual detection method exists are slow, detection time is long have been overcome, the automatic defect of having realized circuit board detects, and has improved production efficiency.Simultaneously, feeding device is adjustable, the measuring ability device is adjustable, make this complete equipment aborning adaptive faculty improve greatly.The modular design concept of utilization is divided into a plurality of modules by functional classification with system, has made things convenient for device fabrication, assembling, collocation, adjustment.
Description of drawings
Fig. 1 is the whole assembling of a circuit board defect detection system design sketch.
Fig. 2 is the fully loaded PCB state design sketch of material loading frame.
Fig. 3 is material loading module assembling design sketch.
Fig. 4 is a locating device course of work design sketch.
Fig. 5 is a measuring ability module design sketch.
Fig. 6 is ccd video camera arrange position and coverage figure.
Fig. 7 is a discharging module design sketch.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1～Fig. 7, a kind of circuit board defect checkout equipment, comprise material loading module 1, measuring ability module 2, discharging module 3 and control module 4, described material loading module is connected mutually with travelling belt 5, feeding travelling belt 5 is connected with measuring ability module 2 mutually by circuit board detent mechanism 7, described measuring ability module is connected with discharging module 3 mutually by discharging travelling belt 6, and described control module is controlled the work of all described modules.
With reference to Fig. 2, described material loading frame 11 full loads are made up of material loading frame shell 8, material loading frame push rod 9, circuit board to be detected 10, the inboard both sides of described material loading frame shell are equipped with corresponding equally spaced bin, described material loading frame push rod is worker's type rod member, and described circuit board to be detected is put in respectively on the described material loading frame bin.
With reference to Fig. 3, described material loading module is by material loading frame 11, be with feed mechanism 12, material loading module base 17 to form synchronously.
Described material loading frame 11 and synchronous band feed mechanism 12 are installed on the described material loading module base 17, described synchronous band feed mechanism comprises synchronizing wheel, vertical supporting bar, a pair of two-sided synchronous band, two pairs of bevel gear drive mechanisms 13 and two drive stepping motor, the synchronizing wheel of installation up and down of described vertical supporting bar, described synchronous band is sleeved on the described synchronizing wheel, and described drive stepping motor is in transmission connection by described bevel gear drive mechanism 13 and described two-sided synchronous band.
Described clamping spacing adjusting mechanism comprises base for supporting, adjustable distance objective table 14, pulley, spacing is adjusted drive motor 15 and double-screw bolt, described base for supporting is installed on the described material loading module base, described adjustable distance objective table is installed on the described base for supporting by pulley, the bottom of described adjustable distance objective table cooperates the formation screw pair with described double-screw bolt, described spacing is adjusted the side that drive motor is installed in described material loading module base, the driving shaft of described spacing adjustment drive motor is fixedlyed connected with described double-screw bolt, described adjustable distance objective table is fixedlyed connected with vertical supporting bar, and the bevel gear drive mechanism 13 that is connected with described vertical supporting bar is sleeved on the main shaft of drive stepping motor slidably.
Synchronous band in the described synchronous band feed mechanism adopts two-sided synchronous band, and adjacent raised line spacing equates with the spacing of adjacent bin in the described material loading frame 11.Described gear train is made up of two stepper motors, a transmission shaft, two groups of same model bevel gears, realizes a pair of synchronous band constant speed drive in the described synchronous band feed mechanism.Described adjustable distance objective table contacts with described material loading module base by pulley, and cooperates the formation screw pair with described accent spacing double-screw bolt.Described drive motor is fixed in described material loading module base one side, driving shaft is fixed by flat key with transferring the spacing double-screw bolt, described adjustable distance objective table 15 is fixedlyed connected with vertical supporting bar, and the bevel gear drive mechanism that is connected with described vertical supporting bar is sleeved on the main shaft of drive stepping motor slidably.
With reference to Fig. 4, described locating device 7 is made up of locating device base 18, positioning baffle 19, push rod 20, and described locating device is installed on travelling belt 5 ends, and is connected mutually with measuring ability module 2.Described push rod 20 is a T type push rod, by air cylinder driven.Described positioning baffle side is equipped with position transducer, be used to judge circuit board to be detected whether with positioning baffle near.
With reference to Fig. 5,6, described measuring ability module 2 is made up of the shooting frame 21 that ccd video camera is housed, fixed dam 22, detection travelling belt 23, electromagnet baffle plate 24, double-screw bolt 25, drive motor 26, fender plate 27, measuring ability module base 28.It is certain that described ccd video camera is taken in the frame two shooting frame spacings that are used to install ccd video camera, with the maximum effectively coverage of every camera is that 210mm * 300mm, institute's testing circuit plate plate Outside Dimensions scope are that 240 * 330mm-500 * 600mm is an example, described shooting adds 5 ccd video cameras is installed, described 5 concrete installation sites of video camera and coverage are as shown in Figure 6, A among the figure～E point is represented the ccd video camera installation site respectively, and each profile line zone is respectively the effective shooting area of corresponding ccd video camera.Described fixed dam 22 is installed on the described measuring ability module base, is used to treat testing circuit plate one lateral confinement position.Described travelling belt 23 is installed on the described measuring ability module base, is used to circuit board to be detected that onward impulse is provided.Described electromagnet baffle plate 24 is installed on measuring ability module base the place ahead, is used to treat testing circuit plate the place ahead and carries out spacing or clearance.Described double-screw bolt 25 and measuring ability module base form screw pair, described double-screw bolt and described drive motor 26 are connected by flat key, described double-screw bolt end is connected with described fender plate 27 by rivet, and it is spacing that described double-screw bolt 25, drive motor 26, fender plate 27 are finished circuit board opposite side to be detected jointly.
With reference to Fig. 7, described discharging module 3 is made up of travelling belt 6, position transducer, push rod 30, baffle plate 31, discharging recovery frame pull bar 32, discharging recovery frame 33, reverse sync band feed mechanism 34, travelling belt 35, deflector apron 36, the reverse gathering-device base 37 of discharging circuit board, discharging module base 38, control module 4.Described travelling belt 6 is installed on the described discharging base, and an end links to each other with the measuring ability module, and the other end links to each other with next station of board production streamline.Described position transducer is installed on reverse sync band feed mechanism 34 front ends, for positioning action is played in push rod 30 work.Described push rod 30 is installed on the discharging module base by cylinder control.Described baffle plate 31, reverse sync band feed mechanism 34, travelling belt 35, deflector apron 36 are installed on the reverse gathering-device base 37 of described discharging circuit board, and principle of work and synchronous band feed mechanism are similar.Described discharging is reclaimed frame pull bar 32 and is installed on discharging recovery frame 33 upper ends.
The course of work of present embodiment is: described circuit board to be detected at first is pushed into described synchronous band feed mechanism by fully loaded described material loading frame, be transported to described main belt by described synchronous band feed mechanism with step-by-step system again, at the terminal described locating device of installing of described main belt described circuit board to be detected is sent to described vision inspection apparatus assigned address, by described vision inspection apparatus described circuit board is detected then, last described discharging module according to testing result to the processing of classifying of described circuit board, if described circuit board detecting is qualified, then be transported to next station smoothly by described secondary travelling belt; If described circuit board detecting is defective, then described position transducer is passed to described control module with signal when this circuit board arrives assigned address, and make No. 2 cylinders accept instruction, described circuit board is pushed defective circuit board treatment channel, and finally be collected into described defective circuit board processing storehouse by the reverse gathering-device of described discharging circuit board; If can't discern, then described position transducer is passed to described control module with signal when this circuit board arrives assigned address, and make No. 3 cylinders accept instruction, described circuit board is pushed can't identification circuit plate treatment channel, and the reverse gathering-device of final described discharging circuit board is collected into to discern and handles the storehouse.Behind the certain hour interval, the related work personnel will handle the storehouses classification to two and handle: described defective circuit board processing storehouse directly is transported to maintenance area by fork truck and keeps in repair, and returns measuring point to be checked then again and detects again; The described storehouse of can't the identification circuit plate handling be transported to the manual detection zone by fork truck, collectedly carefully detect by the manual detection mode by the coherent detection personnel, if zero defect then directly is transported to next station, carry out corresponding repairing, return measuring point to be checked then again and detect again if exist defective then to be transported to maintenance area.
Claims (8)
1. circuit board defect checkout equipment based on visual detection method, it is characterized in that: described circuit board defect checkout equipment comprises the material loading module, the measuring ability module, discharging module and the control module of moving and carrying out defects detection and discharging control in order to the control circuit board positioning mechanism, described material loading module is connected with the inlet of feeding travelling belt, the outlet of described feeding travelling belt is connected with described measuring ability module, the exit mounting circuit boards detent mechanism of described feeding travelling belt, described measuring ability module is connected mutually with the discharging module, wherein
Described measuring ability module comprises measuring ability module base, the camera pedestal that ccd video camera is installed, electromagnet baffle plate and in order to carry the detection travelling belt of circuit board to be detected, described detection travelling belt is installed on the described measuring ability module base, described camera pedestal is positioned at described detection travelling belt top, and described electromagnet baffle plate is installed in the exit of described detection travelling belt.
2. the circuit board defect checkout equipment based on visual detection method as claimed in claim 1, it is characterized in that: described measuring ability module also comprises the spacing adjusting mechanism, a fixed dam and a fender plate, fixed dam and fender plate lay respectively at the both sides of described detection travelling belt, described spacing adjusting mechanism is made up of an alternating current generator and double-screw bolt, described spacing adjusting mechanism is installed on described measuring ability module chassis side, the output shaft of described alternating current generator is fixedlyed connected with described double-screw bolt, described double-screw bolt and described measuring ability module base form screw pair, and described double-screw bolt is terminal fixedlys connected with described fender plate.
3. the circuit board defect checkout equipment based on visual detection method as claimed in claim 2, it is characterized in that: described measuring ability module also comprises the secondary light source that is used for auxiliary described ccd video camera shooting, and described secondary light source is installed on around the described camera pedestal.
4. as the described circuit board defect checkout equipment of one of claim 1～3 based on visual detection method, it is characterized in that: described material loading module comprises material loading module base, be with feed mechanism and material loading frame synchronously, described material loading frame and synchronous band feed mechanism are installed in described material loading module base, described synchronous band feed mechanism comprises synchronizing wheel, vertical supporting bar, a pair of two-sided synchronous band, two pairs of bevel gear drive mechanisms and two drive stepping motor, the synchronizing wheel of installation up and down of described vertical supporting bar, described synchronous band is sleeved on the described synchronizing wheel, and described drive stepping motor is in transmission connection by described bevel gear drive mechanism and described two-sided synchronous band.
5. the circuit board defect checkout equipment based on visual detection method as claimed in claim 4, it is characterized in that: described material loading module comprises clamping spacing adjusting mechanism, described clamping spacing adjusting mechanism comprises base for supporting, the adjustable distance objective table, pulley, spacing is adjusted drive motor and double-screw bolt, described base for supporting is installed on the described material loading module base, described adjustable distance objective table is installed on the described base for supporting by pulley, the bottom of described adjustable distance objective table cooperates the formation screw pair with described double-screw bolt, described spacing is adjusted the side that drive motor is installed in described material loading module base, the driving shaft of described spacing adjustment drive motor is fixedlyed connected with described double-screw bolt, described adjustable distance objective table is fixedlyed connected with vertical supporting bar, and the bevel gear drive mechanism that is connected with described vertical supporting bar is sleeved on the main shaft of drive stepping motor slidably.
6. as the described circuit board defect checkout equipment of one of claim 1～3 based on visual detection method, it is characterized in that: described discharging module comprises sorting module base, the discharging travelling belt, position transducer, the travelling belt push rod, discharge baffle and reverse sync band feed mechanism, described reverse sync band feed mechanism comprises synchronizing wheel, vertical supporting bar, a pair of two-sided synchronous band, two pairs of bevel gear drive mechanisms and two drive stepping motor, the synchronizing wheel of installation up and down of described vertical supporting bar, described synchronous band is sleeved on the described synchronizing wheel, and described drive stepping motor is in transmission connection by described bevel gear drive mechanism and described two-sided synchronous band; Described position transducer is installed on reverse sync band feed mechanism front end, described travelling belt push rod is installed on the described sorting module base, described travelling belt push rod is positioned at the side of described discharging travelling belt, install between the described a pair of two-sided synchronous band and reclaim travelling belt, the release station of the inlet of described recovery travelling belt and described travelling belt push rod joins, and discharge baffle is installed in the outlet of described recovery travelling belt.
7. as the described circuit board defect checkout equipment of one of claim 1～3 based on visual detection method, it is characterized in that: described board positioning means comprises locating device base, positioning baffle and localization handspike, described board positioning means is installed on feeding travelling belt end, described localization handspike with drive the cylinder interlock, described positioning baffle side be equipped be used to judge circuit board to be detected whether with positioning baffle near position transducer.
8. the circuit board defect checkout equipment based on visual detection method as claimed in claim 4, it is characterized in that: described material loading frame comprises material loading frame shell and material loading frame push rod, the inboard both sides of described material loading frame shell are equipped with equally spaced material loading frame bin, described material loading frame push rod is installed in the material loading frame shell, and described circuit board to be detected is put in respectively on the described material loading frame bin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201847835U CN202093138U (en) | 2011-06-02 | 2011-06-02 | Circuit board defect detecting device based on visual detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201847835U CN202093138U (en) | 2011-06-02 | 2011-06-02 | Circuit board defect detecting device based on visual detection method |
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| CN202093138U true CN202093138U (en) | 2011-12-28 |
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| CN2011201847835U Expired - Lifetime CN202093138U (en) | 2011-06-02 | 2011-06-02 | Circuit board defect detecting device based on visual detection method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338751A (en) * | 2011-06-02 | 2012-02-01 | 浙江工业大学 | Equipment for detecting circuit board defects based on visual detection method |
| CN103063677A (en) * | 2012-12-24 | 2013-04-24 | 上海金东唐精机科技有限公司 | Multifunctional printed circuit board (PCB) test system |
| CN107025697A (en) * | 2017-03-31 | 2017-08-08 | 广州地理研究所 | A kind of production detecting system for public transport radio frequency card |
| CN107790389A (en) * | 2017-11-09 | 2018-03-13 | 黄新军 | One grows tobacco online grading plant |
| CN108534957A (en) * | 2018-06-15 | 2018-09-14 | 深圳前海久禾科技发展有限公司 | A kind of full-automatic battery leakage detection device |
| CN110095707A (en) * | 2019-04-09 | 2019-08-06 | 深圳市贝优通新能源技术开发有限公司 | A kind of portable type chip detecting equipment with adjustment function |
-
2011
- 2011-06-02 CN CN2011201847835U patent/CN202093138U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338751A (en) * | 2011-06-02 | 2012-02-01 | 浙江工业大学 | Equipment for detecting circuit board defects based on visual detection method |
| CN102338751B (en) * | 2011-06-02 | 2013-06-19 | 浙江工业大学 | Equipment for detecting circuit board defects based on visual detection method |
| CN103063677A (en) * | 2012-12-24 | 2013-04-24 | 上海金东唐精机科技有限公司 | Multifunctional printed circuit board (PCB) test system |
| CN107025697A (en) * | 2017-03-31 | 2017-08-08 | 广州地理研究所 | A kind of production detecting system for public transport radio frequency card |
| CN107790389A (en) * | 2017-11-09 | 2018-03-13 | 黄新军 | One grows tobacco online grading plant |
| CN108534957A (en) * | 2018-06-15 | 2018-09-14 | 深圳前海久禾科技发展有限公司 | A kind of full-automatic battery leakage detection device |
| CN108534957B (en) * | 2018-06-15 | 2024-05-10 | 深圳前海久禾科技发展有限公司 | Full-automatic battery weeping check out test set |
| CN110095707A (en) * | 2019-04-09 | 2019-08-06 | 深圳市贝优通新能源技术开发有限公司 | A kind of portable type chip detecting equipment with adjustment function |
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Granted publication date: 20111228 Effective date of abandoning: 20130619 |
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