CN110743821A - Power line performance testing device - Google Patents
Power line performance testing device Download PDFInfo
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- CN110743821A CN110743821A CN201911033083.3A CN201911033083A CN110743821A CN 110743821 A CN110743821 A CN 110743821A CN 201911033083 A CN201911033083 A CN 201911033083A CN 110743821 A CN110743821 A CN 110743821A
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- driving
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- power line
- wall
- testing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
Abstract
The invention discloses a power line performance testing device, which comprises a rotary conveying assembly and a testing assembly, wherein the rotary conveying assembly is arranged on the power line; the rotary conveying assembly comprises a driving rotary shaft, a driven rotary shaft, a conveying belt and a rotary motor; the driving rotating shaft and the driven rotating shaft are both horizontally arranged and are positioned on the same plane; the conveyer belt is sleeved on the driving rotating shaft and the driven rotating shaft; the rotary motor is in driving connection with the driving rotary shaft; the number of the test components is multiple; the plurality of testing components are arranged on the outer surface of the conveying belt at equal intervals; the testing component comprises a supporting box, a DC socket, a testing socket, a relay, a photoelectric pair tube, a movable collision head, a spring, a rack, a sleeve, a driving motor and a first collecting box; by using the power line performance testing device provided by the invention, manual operation can be greatly reduced, so that the testing efficiency is improved, the testing process is automatic detection and automatic screening, and the testing accuracy is greatly improved.
Description
Technical Field
The invention relates to an electronic product detection instrument, in particular to a power line performance testing device.
Background
A considerable part of power lines of the existing electronic products still adopt DC power lines, and the DC power lines comprise DC connectors, line bodies and plugs; in the production process of the DC power line, the DC joint and the line body are generally welded and connected to form a DC joint line, then the DC joint line needs to be subjected to an energization test to ensure the conductivity of the DC joint line, and a plug can be connected to the other end of the line body after the energization test is completed and the DC joint line is qualified.
The existing power-on test still mostly adopts manual test, and the test method is to insert a DC connector on a test hole, then two leads at the other end of a wire body are respectively lapped on a positive test head and a negative test head, and if the current is conducted, a test machine can send out corresponding prompt tones.
The manual test has the advantages that the operation is more, the test efficiency is low, whether the DC connector line is electrified or not is identified in a mode of manually listening to the prompt tone, errors are easy to occur, and the test accuracy is to be improved.
Disclosure of Invention
The invention mainly aims to provide a power line performance testing device, and aims to solve the problems that the existing DC power line test mostly adopts a manual test mode, the testing efficiency is low, and the testing accuracy is not high.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a power line performance testing device comprises a rotary conveying assembly and a testing assembly;
the rotary conveying assembly comprises a driving rotary shaft, a driven rotary shaft, a conveying belt and a rotary motor; the driving rotating shaft and the driven rotating shaft are both horizontally arranged, and the driving rotating shaft and the driven rotating shaft are positioned on the same plane; the conveying belt is sleeved on the driving rotating shaft and the driven rotating shaft; the rotary motor is in driving connection with the driving rotary shaft;
the number of the test assemblies is multiple; the plurality of test components are arranged on the outer surface of the conveying belt at equal intervals; the testing assembly comprises a supporting box, a DC socket, a testing socket, a relay, a photoelectric pair tube, a movable collision head, a spring, a rack, a sleeve, a driving motor and a first collecting box;
the support box comprises an inner wall and an outer wall; the outer wall is fixed on the outer surface of the conveying belt; the DC socket is cylindrical; the DC socket penetrates through the outer wall, and a jack of the DC socket is positioned outside the support box; the test socket penetrates through the outer wall, and the jack of the test socket is positioned outside the support box;
2 collision holes are formed in the outer wall at the outer edge of the DC socket; the 2 collision holes are symmetrically arranged; the movable collision head comprises a circular bottom plate and a vertical plate vertically connected to the edge of the bottom plate; the number of the vertical plates is 2, and the 2 vertical plates are respectively arranged in the collision holes in a penetrating manner;
the bottom plate is parallel to the outer wall; one side of the bottom plate, which is far away from the vertical plate, is fixedly connected with the rack; the rack is perpendicular to the bottom plate; one end of the rack, which is far away from the bottom plate, is arranged to be a smooth round rod; the sleeve is connected and arranged on the inner wall; one end of the rack, which is far away from the bottom plate, is embedded into the sleeve in a sliding manner; the driving motor is in driving connection with the rack;
the spring is connected between the bottom plate and the outer wall; the pretightening force of the spring enables one end, far away from the bottom plate, of the rack to be in contact with the inner wall, and the vertical plate still penetrates through the collision hole at the moment;
the riser has a length greater than a length of the DC socket; when a DC terminal is inserted into the receptacle of the DC outlet, an end of the riser remote from the base plate is movable into contact with the plastic end of the DC terminal;
the outer wall is provided with a photometric hole; the receiving ends of the photoelectric pair tubes are arranged in the supporting box, and a connecting line between the receiving ends of the photoelectric pair tubes and the photometric hole is perpendicular to the outer wall; the first collecting box is arranged right below the conveying belt;
the first collection box is provided with an emission end of the photoelectric geminate transistor; the transmitting end of the photoelectric pair tube can be positioned on the same straight line with the photometric hole and the receiving end of the photoelectric pair tube;
the power line performance testing device comprises a detection open circuit and a driving loop;
the receiving ends of the photoelectric pair tubes and the coil of the relay are connected in series between 2 jacks of the test socket; the DC socket is connected to the power supply for detecting the open circuit;
the normally open contact of the relay and the driving motor are connected in series in the driving loop.
Preferably, the driving circuit further comprises a time relay; and the normally closed contact of the time relay is connected in series between the driving motor and the normally open contact of the relay.
Preferably, the diameter of the DC outlet is smaller than the diameter of the plastic end of the DC link; the overlooking projection of the vertical plate is arc-shaped, and the collision hole is also arc-shaped.
Preferably, the top edge of the first collecting box extends inwards to form a connecting rod; the other end of the connecting rod is positioned at the central position of the first collecting box;
the other end of the connecting rod is connected with the transmitting end provided with the photoelectric pair tube.
Preferably, the test socket comprises 2 jacks; the aperture of the jack of the test socket is larger than the diameter of the lead at the other end of the line body of the DC connector line.
Preferably, a chamfer is arranged at an external hole of the jack of the test socket.
Preferably, the power line performance testing device comprises a signal lamp; the indicating lamp is connected in parallel with the receiving ends of the photoelectric pair tubes and two ends of the coil of the relay.
Preferably, the indicating lamp is a green LED lamp.
Preferably, the power supply voltage for detecting the open circuit is 5V; the power supply voltage of the driving loop is 12V.
Preferably, the power line performance testing device comprises a second collection box; the second collecting box is arranged behind the first collecting box in the conveying direction.
Compared with the prior art, the invention at least has the following beneficial effects:
the rotary conveying assembly and the testing assembly are arranged; when in specific use: only the DC joint of the DC joint line to be tested is inserted into the jack of the DC socket, 2 leads at the other end of the line body of the DC joint line to be tested are respectively inserted into 2 jacks of the testing socket, when the DC joint line to be tested is conveyed to the position right below the conveying belt by the rotary conveying assembly, the transmitting end of the photoelectric geminate transistor and the receiving end of the photoelectric geminate transistor are positioned on the same straight line, the receiving end of the photoelectric geminate transistor is conducted, if the DC joint line to be tested can be conducted, the quality of the DC joint line to be tested is proved to be qualified, the coil of the relay passes through current, the normally open contact of the relay is changed into closed, the driving motor works at the moment, the movable collision head is pushed to move outwards, the vertical plate of the movable collision head collides with the plastic end part of the DC joint line to be tested, so that the DC joint line to be tested is separated from the DC socket, thus, the detection and screening process of the DC connector line to be detected is completed.
By using the power line performance testing device provided by the invention, manual operation can be greatly reduced, so that the testing efficiency is improved, the testing process is automatic detection and automatic screening, and the testing accuracy is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic side view of a power line performance testing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a supporting box according to an embodiment of a power line performance testing apparatus of the present invention;
FIG. 3 is a schematic top view of a supporting box of an embodiment of a power line performance testing apparatus of the present invention;
fig. 4 is a schematic top view of the first collection box of another embodiment of the device for testing the performance of the power line of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a power line performance testing device.
Referring to fig. 1-4, a power line performance testing apparatus includes a rotary conveying assembly and a testing assembly 200.
The rotary transport assembly includes a driving swivel shaft 120, a driven swivel shaft 130, a conveyor belt 110, and a swivel motor (not shown); the driving rotating shaft 120 and the driven rotating shaft 130 are both horizontally arranged, and the driving rotating shaft 120 and the driven rotating shaft 130 are positioned on the same plane; the conveyer belt 110 is sleeved on the driving revolving shaft 120 and the driven revolving shaft 130; the rotary motor is drivingly connected to the active rotary shaft 120.
The number of the test assemblies 200 is plural; the plurality of test assemblies 200 are arranged on the outer surface of the conveying belt 110 at equal intervals; the test assembly 200 includes a support box 210, a DC socket 220, a test socket 230, a relay (not shown), a photoelectric pair (preferably an infrared photoelectric pair in this embodiment), a movable ram 250, a spring 310, a rack 260, a sleeve 280, a drive motor 270, and a first collection box 510.
The support box 210 includes an inner wall 212 and an outer wall 211, the inner wall 212 being parallel to the outer wall 211; the outer wall 211 is fixed to the outer surface of the conveyor belt 110; the DC socket 220 is cylindrical; the DC socket 220 is disposed through the outer wall 211, and the insertion hole of the DC socket 220 is located outside the support box 210; the test socket 230 is disposed through the outer wall 211, and the insertion hole of the test socket 230 is located outside the support box 210.
The outer wall 211 is provided with 2 collision holes 214 at the outer edge of the DC socket 220; 2 collision holes 214 are symmetrically arranged; the movable ram 250 includes a base plate 252 having a circular shape and a riser 251 vertically connected to an edge of the base plate 252; the number of risers 251 is 2, and 2 risers 251 wear to locate respectively and hit hole 214.
The bottom plate 252 is parallel to the outer wall 211; the side of the bottom plate 252 far away from the vertical plate 251 is fixedly connected with a rack 260; rack 260 is perpendicular to base plate 252; one end 261 of the rack far away from the bottom plate is provided with a smooth round rod shape; the inner wall 212 is connected with a sleeve 280; the end 261 of the rack remote from the base plate is slidably embedded in the sleeve 280; the drive motor 270 drives the connecting rack 260.
A spring 310 is connected between the bottom plate 252 and the outer wall 211; the pre-load of spring 310 causes the end 261 of the rack remote from the base plate to contact the inner wall 212 and the riser 251 is still inserted through the striker hole 214.
The length of the riser 251 is greater than the length of the DC socket 220; when the DC link 410 is inserted into the receptacle of the DC outlet 220, the end of the riser 251 remote from the base plate 252 can be moved into contact with the plastic end 411 of the DC link.
The outer wall 211 is provided with a photometric hole 213; the receiving ends 290 of the photoelectric pair tubes are arranged in the supporting box 210, and the connecting line between the receiving ends 290 of the photoelectric pair tubes and the photometric hole 213 is perpendicular to the outer wall 211; a first collection box 510 is provided directly below the conveyor belt 110.
The first collection box 510 is provided with an emission end 512 of a photoelectric pair tube; the emitting end 512 of the photoelectric pair can be in the same line with the photometric hole 213 and the receiving end 290 of the photoelectric pair.
The power line performance testing device provided by the invention comprises a detection open circuit and a driving loop.
The receiving ends 290 of the photoelectric pair tubes and the coils of the relay are connected in series between 2 jacks of the test socket 230; the DC outlet 220 is connected to a power source that detects an open circuit.
The normally open contacts of the relay and the drive motor 270 are connected in series in the drive circuit.
The working principle is as follows: the DC connector line to be tested comprises a DC connector 410 and a line body 420; by providing a rotary transport assembly and test assembly 200; when in specific use: only the DC connector 410 of the DC connector line to be tested is inserted into the jack of the DC socket 220, the 2 wires at the other end of the line body 420 of the DC connector line to be tested are respectively inserted into the 2 jacks of the test socket 230, when the rotary conveying assembly conveys the DC connector line to be tested to the position right below the conveyor belt 110, the emitting end 512 of the photoelectric pair tube and the receiving end 290 of the photoelectric pair tube are located on the same straight line, at this time, the receiving end 290 of the photoelectric pair tube is conducted, if the DC connector line to be tested can be conducted, the DC connector line to be tested is proved to be qualified, the coil of the relay passes through current, the normally open contact of the relay is turned on, at this time, the driving motor 270 works, and then the movable ram 250 is pushed to move outwards, the vertical plate 251 of the movable ram 250 impacts the plastic end 411 of the DC connector line to be tested, so that the DC connector line to be tested is separated from the DC socket 220, and then, thus, the detection and screening process of the DC connector line to be detected is completed.
By using the power line performance testing device provided by the invention, manual operation can be greatly reduced, so that the testing efficiency is improved, the testing process is automatic detection and automatic screening, and the testing accuracy is greatly improved.
At this time, the driving circuit further includes a time relay (not shown); the normally closed contact of the time relay is connected in series between the driving motor 270 and the normally open contact of the relay, and in this embodiment, the delay time of the time relay is set to 2 seconds.
By providing a time relay, the timing control of the driving circuit can be performed, and it is ensured that the driving motor 270 can stop working quickly after driving the rack 260, so as to ensure the subsequent work.
Further, the diameter of the DC socket 220 is smaller than the diameter of the plastic end 411 of the DC link to ensure that the riser 251 can hit the plastic end 411 of the DC link; as shown in fig. 3, the riser 251 has an arc shape in plan view. The contact area between the plastic end 411 of the DC link and the end of the riser 251 remote from the base plate 252 can be increased.
Meanwhile, the top edge of the first collecting box 510 extends inwards to form a connecting rod 511; the other end of the connection rod 511 is located at the center of the first collection tank 510. The other end of the connecting rod 511 is connected with an emitting end 512 provided with a photoelectric pair tube.
Through the technical scheme, the transmitting end 512 of the photoelectric pair tube and the receiving end 290 of the photoelectric pair tube can be accurately aligned.
Further, the test socket 230 includes 2 jacks; the aperture of the insertion hole of the test socket 230 is larger than the diameter of the wire at the other end of the wire body 420 of the DC connector wire. So that the wire at the other end of the wire body 420 of the DC connector wire can be more conveniently placed into the jack of the test socket 230.
Meanwhile, a chamfer is provided at an outer orifice of the insertion hole of the test socket 230. The provision of the chamfer further facilitates the placing of the conductor at the other end of the wire body 420 of the DC connector wire into the receptacle of the test socket 230.
In addition, the power line performance testing device comprises a signal lamp 240, wherein the signal lamp 240 is a green LED lamp; the beacon light 240 is connected in parallel to the receiving end 290 of the photoelectric pair and across the coil of the relay. Through setting up the pilot lamp 240, when the DC joint line that awaits measuring that inserts can switch on, pilot lamp 240 can light, and the obvious discernment of the staff of being convenient for awaits measuring DC joint line switches on the performance, and the test result is more obvious.
Meanwhile, the power supply voltage for detecting the open circuit is 5V; the supply voltage of the drive loop is 12V.
In addition, the power line performance testing apparatus includes a second collection box 520; the second collection tank 520 is disposed rearward in the conveying direction of the first collection tank 510. The second collection box 520 is used to collect the DC tab line whose test result is failed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The device for testing the performance of the power line is characterized by comprising a rotary conveying assembly and a testing assembly;
the rotary conveying assembly comprises a driving rotary shaft, a driven rotary shaft, a conveying belt and a rotary motor; the driving rotating shaft and the driven rotating shaft are both horizontally arranged, and the driving rotating shaft and the driven rotating shaft are positioned on the same plane; the conveying belt is sleeved on the driving rotating shaft and the driven rotating shaft; the rotary motor is in driving connection with the driving rotary shaft;
the number of the test assemblies is multiple; the plurality of test components are arranged on the outer surface of the conveying belt at equal intervals; the testing assembly comprises a supporting box, a DC socket, a testing socket, a relay, a photoelectric pair tube, a movable collision head, a spring, a rack, a sleeve, a driving motor and a first collecting box;
the support box comprises an inner wall and an outer wall; the outer wall is fixed on the outer surface of the conveying belt; the DC socket is cylindrical; the DC socket penetrates through the outer wall, and a jack of the DC socket is positioned outside the support box; the test socket penetrates through the outer wall, and the jack of the test socket is positioned outside the support box;
2 collision holes are formed in the outer wall at the outer edge of the DC socket; the 2 collision holes are symmetrically arranged; the movable collision head comprises a circular bottom plate and a vertical plate vertically connected to the edge of the bottom plate; the number of the vertical plates is 2, and the 2 vertical plates are respectively arranged in the collision holes in a penetrating manner;
the bottom plate is parallel to the outer wall; one side of the bottom plate, which is far away from the vertical plate, is fixedly connected with the rack; the rack is perpendicular to the bottom plate; one end of the rack, which is far away from the bottom plate, is arranged to be a smooth round rod; the sleeve is connected and arranged on the inner wall; one end of the rack, which is far away from the bottom plate, is embedded into the sleeve in a sliding manner; the driving motor is in driving connection with the rack;
the spring is connected between the bottom plate and the outer wall; the pretightening force of the spring enables one end, far away from the bottom plate, of the rack to be in contact with the inner wall, and the vertical plate still penetrates through the collision hole at the moment;
the riser has a length greater than a length of the DC socket; when a DC terminal is inserted into the receptacle of the DC outlet, an end of the riser remote from the base plate is movable into contact with the plastic end of the DC terminal;
the outer wall is provided with a photometric hole; the receiving ends of the photoelectric pair tubes are arranged in the supporting box, and a connecting line between the receiving ends of the photoelectric pair tubes and the photometric hole is perpendicular to the outer wall; the first collecting box is arranged right below the conveying belt;
the first collection box is provided with an emission end of the photoelectric geminate transistor; the transmitting end of the photoelectric pair tube can be positioned on the same straight line with the photometric hole and the receiving end of the photoelectric pair tube;
the power line performance testing device comprises a detection open circuit and a driving loop;
the receiving ends of the photoelectric pair tubes and the coil of the relay are connected in series between 2 jacks of the test socket; the DC socket is connected to the power supply for detecting the open circuit;
the normally open contact of the relay and the driving motor are connected in series in the driving loop.
2. The power line performance testing device of claim 1, wherein the driving circuit further comprises a time relay; and the normally closed contact of the time relay is connected in series between the driving motor and the normally open contact of the relay.
3. The power cord performance testing device of claim 1, wherein the diameter of said DC outlet is smaller than the diameter of the plastic end of the DC link; the overlooking projection of the vertical plate is arc-shaped, and the collision hole is also arc-shaped.
4. The power cord performance testing device of claim 1, wherein a connecting rod extends inwards from the top edge of the first collection box; the other end of the connecting rod is positioned at the central position of the first collecting box;
the other end of the connecting rod is connected with the transmitting end provided with the photoelectric pair tube.
5. The power line performance testing device of claim 1, wherein the test socket comprises 2 jacks; the aperture of the jack of the test socket is larger than the diameter of the lead at the other end of the line body of the DC connector line.
6. The device for testing the performance of the power line according to claim 5, wherein a chamfer is arranged at an outer hole of the jack of the test socket.
7. The power line performance testing device of claim 1, wherein the power line performance testing device comprises a beacon light; the indicating lamp is connected in parallel with the receiving ends of the photoelectric pair tubes and two ends of the coil of the relay.
8. The device for testing the performance of the power line according to claim 7, wherein the indicator light is a green LED light.
9. The device for testing the performance of the power line according to any one of claims 1 to 8, wherein the power voltage for detecting the open circuit is 5V; the power supply voltage of the driving loop is 12V.
10. The power line performance testing device of any one of claims 1 to 8, wherein the power line performance testing device comprises a second collection box; the second collecting box is arranged behind the first collecting box in the conveying direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911033083.3A CN110743821B (en) | 2019-10-28 | 2019-10-28 | Power line performance testing device |
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| CN201911033083.3A CN110743821B (en) | 2019-10-28 | 2019-10-28 | Power line performance testing device |
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| CN110743821A true CN110743821A (en) | 2020-02-04 |
| CN110743821B CN110743821B (en) | 2021-06-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111744801A (en) * | 2020-07-01 | 2020-10-09 | 浙江海宁普赛自动化科技有限公司 | Power cord plug injection molding unloading synchronous detection device |
| CN114273269A (en) * | 2022-03-02 | 2022-04-05 | 宁波长晟电子科技有限公司 | Detection equipment for automobile key identification induction coil |
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| CN110743821B (en) | 2021-06-25 |
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