CN112295954A - Automatic high-voltage testing equipment of circulator - Google Patents
Automatic high-voltage testing equipment of circulator Download PDFInfo
- Publication number
- CN112295954A CN112295954A CN202010863069.2A CN202010863069A CN112295954A CN 112295954 A CN112295954 A CN 112295954A CN 202010863069 A CN202010863069 A CN 202010863069A CN 112295954 A CN112295954 A CN 112295954A
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- plate
- transfer mechanism
- circulator
- mounting plate
- automatic high
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 48
- 238000012546 transfer Methods 0.000 claims abstract description 43
- 230000002950 deficient Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 208000037805 labour Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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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
-
- 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
-
- 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
-
- 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
- B07C5/38—Collecting or arranging articles in groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses automatic high-voltage testing equipment for a circulator, which relates to the technical field of production and processing of circulators and comprises a machine table, wherein a first transfer mechanism and a second transfer mechanism are arranged on the surface of the machine table; the material tray is arranged on the first transfer mechanism; the mounting plate is arranged on the second transfer mechanism, the upper end wall of the mounting plate is provided with a lifting cylinder, and the side wall of the mounting plate is provided with a sliding plate which vertically slides; the pneumatic sucker is arranged on the sliding plate; a reference object arranged on the first transfer mechanism; the CCD positioning camera is arranged on the connecting plate on the mounting plate; the test fixture is arranged on a horizontal plate on the machine table, and at least one test fixture groove is formed in the upper surface of the test fixture; the rotating cylinder is arranged on the horizontal plate; the pressure head is arranged on a rotating shaft of the rotating cylinder; the pressure rod is arranged on the pressure head; the output shaft of the lifting cylinder is connected with the sliding plate; the invention has the advantages of convenient use, high testing efficiency, reduction of labor intensity of workers and the like.
Description
Technical Field
The invention relates to the technical field of circulator production and processing, in particular to an automatic high-voltage testing device for a circulator.
Background
The circulator is a multi-port device which transmits incident waves entering any port of the circulator into the next port according to the direction sequence determined by the static bias magnetic field; the circulator is a non-reversible device with a plurality of ends, has the obvious characteristics of being capable of unidirectionally transmitting high-frequency signal energy, is divided into a micro-optical fiber and an electronic circulator, and has good application in an isolator, a duplexer and a reflection amplifier.
The circulator that the assembly was accomplished need carry out the high voltage test, the workman is manual when current test mode is main arranges the circulator in high voltage detection anchor clamps on, then judge the quality of circulator through the testing result of high voltage detection anchor clamps, take off the circulator from detecting anchor clamps again, arrange good circulator in on the tray, arrange the substandard product circulator in the substandard product box, but this kind of test mode all is artifical manual going on, not only need consume a large amount of labours, and production efficiency is also extremely low, consequently, this application has set up the automatic high voltage test equipment of a circulator.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic high-voltage testing device for a circulator, which aims to solve the problems of low efficiency and high labor consumption of a circulator high-voltage testing mode in the prior art described in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic high voltage test equipment for circulator comprises
The machine platform is provided with a first transfer mechanism and a second transfer mechanism on the surface, and the second transfer mechanism is arranged above the first transfer mechanism;
the material tray is arranged on the first transfer mechanism and moves linearly along with the first transfer mechanism, and a plurality of material grooves are uniformly formed in the surface of the material tray and used for bearing the circulator;
the mounting plate is arranged on the second transfer mechanism, the upper end wall of the mounting plate is provided with a lifting cylinder, the side wall of the mounting plate is provided with a plurality of rows of sliding plates which vertically slide, the sliding plates linearly move along with the second transfer mechanism, and the moving direction of the sliding plates is vertical to the moving direction of the material tray;
the pneumatic suction head is arranged on the sliding plate and used for grabbing the circulator;
a reference object arranged on the first transfer mechanism;
the CCD positioning camera is arranged on the connecting plate on the mounting plate, the lens faces downwards vertically, and the CCD positioning camera moves along with the mounting plate to grab the reference object so as to position the mounting plate;
the test fixture is arranged on a horizontal plate on the machine table, and the upper surface of the test fixture is provided with at least one test clamp groove which is arranged below the moving path of the pneumatic suction head;
the rotating cylinder is arranged on the horizontal plate;
the pressure head is arranged on a rotating shaft of the rotating cylinder and rotates along with the rotating shaft;
the pressure rod is arranged on the pressure head and rotates along with the pressure head;
the rotary cylinder is used for driving the pressure head to rotate so that the pressure rod can move to the upper part of the test clamp groove, and the annular device is limited in the test clamp groove; an output shaft of the lifting cylinder is connected with the sliding plate and used for driving a pneumatic suction head on the sliding plate to move vertically;
the defective product box is arranged on the machine table and is positioned below the moving path of the pneumatic suction head;
the control panel is arranged on the protective cover on the machine table and used for manually controlling the circuit;
the industrial personal computer is arranged on the protective cover and used for receiving and sending signals and controlling the circuit.
Preferably: the first transfer mechanism comprises
The first guide rails are arranged on the machine platform, and the number of the first guide rails is two;
the feeding plate is horizontally arranged at one end of the two first guide rails;
the lower material plate is horizontally arranged at one end, far away from the upper material plate, of the two first guide rails;
the first material carrying plate is positioned above the upper material plate and the lower material plate, is arranged on the first guide rail in a sliding manner, and is connected with the material tray;
the first power module is arranged on one of the first guide rails and provides power for the first carrying plate to move on the first guide rail.
Preferably: wherein the upper surface of a first guide rail remote from the test fixture is connected to the reference object.
Preferably: the second transfer mechanism comprises
The supporting plate is arranged on the machine table;
the positioning plate is arranged on the supporting plate;
the second guide rail is arranged on the positioning plate and is vertical to the first guide rail;
the second object carrying plate is arranged on the second guide rail in a sliding mode and is connected with the mounting plate;
and the second power module is arranged on the positioning plate, is connected with the second loading plate and provides power for the second loading plate to move on the second guide rail.
Preferably: the material grooves are arranged in a plurality of rows, the straight line of each row of material grooves is parallel to the moving path of the pneumatic chuck, and each row is provided with four material grooves.
Preferably: the number of the sliding plates is four.
Preferably: the number of the test clip slots is two.
Preferably: the industrial personal computer is respectively and electrically connected with the control panel, the first power module, the second power module, the pneumatic suction head, the lifting cylinder, the CCD positioning camera, the test fixture and the rotating cylinder.
The beneficial effect of adopting above technical scheme is:
this application moves the circulator in the material groove on the mechanism drive material dish through the first circulator that moves that sets up, remove to snatching the position, then the second moves and moves the mechanism and drive pneumatic suction head and remove between material groove and test clamp groove, CCD location camera through setting up can snatch the reference object, nearly and correspond pneumatic suction head and circulator position in the material groove, nearly and drive the circulator and remove, can drive the depression bar on the pressure head through setting up revolving cylinder and remove to the top that tests the clamp groove, thereby press from both sides the inslot with circulator restriction and test, then test the circulator through test fixture, arrange qualified circulator in former test clamp groove through pneumatic suction head after the test is accomplished, arrange unqualified circulator in the substandard goods box.
Drawings
Fig. 1 is a schematic structural diagram of an automatic high voltage testing apparatus for an circulator according to the present invention.
Fig. 2 is a schematic structural view of a part of the present invention.
Fig. 3 is a partial enlarged view of fig. 2 of the present invention.
Fig. 4 is a partial enlarged view of fig. 3 of the present invention.
Fig. 5 is a schematic structural view of the first transfer mechanism of the present invention.
Wherein: the device comprises a machine table 10, a protective cover 11, an industrial personal computer 12, a control panel 13, a first transfer mechanism 20, a first guide rail 21, a feeding plate 22, a discharging plate 23, a first power module 24, a first carrying plate 25, a material tray 30, a material groove 31, a second transfer mechanism 40, a supporting plate 41, a positioning plate 42, a first guide rail 43, a second power module 44, a second carrying plate 45, a mounting plate 50, a sliding plate 51, a pneumatic suction head 52, a lifting cylinder 53, a CCD positioning camera 60, a connecting plate 61, a reference object 62, a test fixture 70, a test fixture groove 71, a horizontal plate 72, a rotating cylinder 73, a pressure head 74, a pressure rod 75 and a defective box 80.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, an automatic high voltage testing apparatus for an circulator includes
A machine table 10 having a first transfer mechanism 20 and a second transfer mechanism 40 on the surface thereof, the second transfer mechanism 40 being located above the first transfer mechanism 20;
the material tray 30 is arranged on the first transfer mechanism 20, a plurality of rows of material grooves 31 are uniformly formed in the surface of the material tray, the material tray moves linearly along with the first transfer mechanism 20, and the material grooves 31 are used for bearing the circulator;
the mounting plate 50 is arranged on the second transfer mechanism 40, the upper end wall of the mounting plate is provided with a lifting cylinder 53, the side wall of the mounting plate is provided with a plurality of sliding plates 51 which vertically slide, the sliding plates linearly move along with the second transfer mechanism 40, and the moving direction of the sliding plates is vertical to the moving direction of the material tray 30;
a pneumatic suction head 52 arranged on the sliding plate 51 and used for grabbing the circulator;
a reference object 62 provided on the first transfer mechanism 20;
a CCD positioning camera 60 which is arranged on a connecting plate 61 on the mounting plate 50, the lens of the CCD positioning camera is vertically downward, and the CCD positioning camera moves with the mounting plate 60 to grab a reference object 62 so as to position the mounting plate 60;
the test fixture 70 is arranged on a horizontal plate 72 on the machine table 10, the upper surface of the test fixture is provided with at least one test clamp groove 71, and the test clamp groove 71 is arranged below the moving path of the pneumatic suction head 52;
a rotary cylinder 73 provided on the horizontal plate 72;
a ram 74 provided on the rotation shaft of the rotary cylinder 73 and rotating along with the rotation shaft;
a pressing rod 75 arranged on the pressing head 74 and rotating along with the pressing head 74;
the rotary cylinder 73 is used for driving the ram 74 to rotate, so that the press rod 75 can move to the upper part of the test clamp groove 71, and the circulator is limited in the test clamp groove 71; the output shaft of the lifting cylinder 53 is connected with the sliding plate 51 and used for driving the pneumatic sucker 52 on the sliding plate 51 to move vertically;
a defective box 80 disposed on the machine 10 and located below the moving path of the pneumatic suction head 52;
a control panel 13, disposed on the protective cover 11 of the machine 10, for manually controlling the circuit;
and the industrial personal computer 12 is arranged on the protective cover 11 and used for receiving and sending signals and controlling a circuit.
Preferably: the first transfer mechanism 20 includes
Two first guide rails 21 are arranged on the machine table 10;
the feeding plate 22 is horizontally arranged at one end of the two first guide rails 21;
the lower material plate 23 is horizontally arranged at one end of the two first guide rails 21 far away from the upper material plate 22;
the first carrying plate 25 is positioned above the feeding plate 22 and the discharging plate 23, is arranged on the first guide rail 21 in a sliding manner, and is connected with the material tray 30;
the first power module 24 is disposed on one of the first guide rails 21 and provides power for the first carrier plate 25 to move on the first guide rail 21.
Preferably: wherein the upper surface of a first rail 21 remote from the test fixture 70 is connected to the reference object 62.
Preferably: the second transfer mechanism 40 includes
A support plate 41 disposed on the machine 10;
a positioning plate 42 disposed on the support plate 41;
at least one second guide rail 43, which is arranged on the positioning plate 42 and is perpendicular to the first guide rail 21;
a second loading plate 45 slidably disposed on the second guide rail 43 and connected to the mounting plate 50;
and the second power module 44 is arranged on the positioning plate 42, connected with the second carrying plate 45 and used for providing power for the second carrying plate 45 to move on the second guide rail 43.
Preferably: each line of the material grooves 31 is parallel to the moving path of the pneumatic chuck 52, and each line has four material grooves 31.
Preferably: the number of the sliding plates 51 is four.
Preferably: the number of the test clip slots 71 is two.
Preferably: the industrial personal computer 12 is electrically connected with the control panel, the first power module 20, the second power module 40, the pneumatic suction head 52, the lifting cylinder 53, the CCD positioning camera 60, the test fixture 70 and the rotating cylinder 73 respectively.
The specific implementation mode is as follows:
the method is implemented by the following steps that a worker firstly places a circulator in a material groove 31 of a material disc 30, then places the material disc 30 on a first carrying plate 25, a first power module 24 drives a row of circulators on the first carrying plate 25 to move to the position below a grabbing station, a second transfer mechanism 40 drives a second carrying plate 45 to move, when a CCD positioning camera 60 grabs a reference object 62, the second carrying plate 45 stops, at the moment, a pneumatic suction head 52 faces the circulators, then a lifting cylinder 53 drives a sliding plate 51 to vertically move, so that the pneumatic suction head 52 is in contact with the circulators and sucks the circulators, then the lifting cylinder 53 drives the sliding plate 51 to move to the original position, then a second power module 44 drives the second carrying plate 45 to move, so that the circulators on the pneumatic suction head 52 move to the position above a test clamp groove 71, then the lifting cylinder 53 is started, the circulators on the pneumatic suction head 52 are placed in the test clamp groove 71, then the pneumatic suction head 52 releases the circulator, the lifting cylinder 53 drives the sliding plate 51 to return to the original height, then the rotating cylinder 73 drives the pressure head 74 to rotate for a certain angle, so that the pressure rod 75 on the pressure head 74 is over against the circulator, the circulator is limited in the test clamping groove 71, then the test fixture 72 carries out high-voltage test on the circulator, after the test is finished, the quality of the circulator is conveyed to an industrial personal computer, the rotating cylinder 73 drives the pressure head 74 and the pressure rod 75 to return to the original position, and then the lifting cylinder 53 drives the sliding plate 51 to move downwards, so that the circulator is sucked by the pneumatic suction head 52; when the circulator is a qualified product, the second transfer mechanism 40, the lifting cylinder 53 and the pneumatic suction head 52 convey the circulator to the raw material groove 31, and when the circulator is a defective product and passes above the defective box 80, the circulator falls into the defective box 80;
in order to improve the detection efficiency, four material slots 31 are provided, four sliding plates 51 are provided, four pneumatic suction heads 52 are provided, two test clamp slots 71 are provided on the test fixture 70, two of the four pneumatic suction heads 52 can simultaneously suck two circulators in one row, and the other two pneumatic suction heads 52 can be used for grabbing the circulators after detection.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (8)
1. An automatic high voltage test equipment of circulator which characterized in that: comprises that
The machine platform is provided with a first transfer mechanism and a second transfer mechanism on the surface, and the second transfer mechanism is arranged above the first transfer mechanism;
the material tray is arranged on the first transfer mechanism and moves linearly along with the first transfer mechanism, and a plurality of rows of material grooves are uniformly formed in the surface of the material tray and used for bearing the circulator;
the mounting plate is arranged on the second transfer mechanism, the upper end wall of the mounting plate is provided with a lifting cylinder, the side wall of the mounting plate is provided with a plurality of sliding plates which vertically slide, the sliding plates linearly move along with the second transfer mechanism, and the moving direction of the sliding plates is vertical to the moving direction of the material tray;
the pneumatic suction head is arranged on the sliding plate and used for grabbing the circulator;
a reference object arranged on the first transfer mechanism;
the CCD positioning camera is arranged on the connecting plate on the mounting plate, the lens faces downwards vertically, and the CCD positioning camera moves along with the mounting plate to grab the reference object so as to position the mounting plate;
the test fixture is arranged on a horizontal plate on the machine table, and the upper surface of the test fixture is provided with at least one test clamp groove which is arranged below the moving path of the pneumatic suction head;
the rotating cylinder is arranged on the horizontal plate;
the pressure head is arranged on a rotating shaft of the rotating cylinder and rotates along with the rotating shaft;
the pressure rod is arranged on the pressure head and rotates along with the pressure head;
the rotary cylinder is used for driving the pressure head to rotate so that the pressure rod can move to the upper part of the test clamp groove, and the annular device is limited in the test clamp groove; an output shaft of the lifting cylinder is connected with the sliding plate and used for driving a pneumatic suction head on the sliding plate to move vertically;
the defective product box is arranged on the machine table and is positioned below the moving path of the pneumatic suction head;
the control panel is arranged on the protective cover on the machine table and used for manually controlling the circuit;
the industrial personal computer is arranged on the protective cover and used for receiving and sending signals and controlling the circuit.
2. The automatic high voltage testing apparatus for circulator of claim 1 wherein said first transfer mechanism comprises
The first guide rails are arranged on the machine platform, and the number of the first guide rails is two;
the feeding plate is horizontally arranged at one end of the two first guide rails;
the lower material plate is horizontally arranged at one end, far away from the upper material plate, of the two first guide rails;
the first material carrying plate is positioned above the upper material plate and the lower material plate, is arranged on the first guide rail in a sliding manner, and is connected with the material tray;
the first power module is arranged on one of the first guide rails and provides power for the first carrying plate to move on the first guide rail.
3. The automatic high voltage testing apparatus of claim 2, wherein an upper surface of a first rail distal from the test fixture is connected to the reference.
4. The automatic high voltage testing apparatus for circulator of claim 2 wherein said second transfer mechanism comprises
The supporting plate is arranged on the machine table;
the positioning plate is arranged on the supporting plate;
the second guide rail is arranged on the positioning plate and is vertical to the first guide rail;
the second object carrying plate is arranged on the second guide rail in a sliding mode and is connected with the mounting plate;
and the second power module is arranged on the positioning plate, is connected with the second loading plate and provides power for the second loading plate to move on the second guide rail.
5. The automatic high-voltage testing equipment of the circulator of claim 4, wherein the material grooves are arranged in a plurality of rows, a straight line of each row of the material grooves is parallel to a moving path of the pneumatic chuck, and each row has four material grooves.
6. The automatic high voltage testing apparatus of claim 5, wherein the number of said slide plates is four.
7. The automatic high voltage testing apparatus for circulator of claim 6 wherein there are two testing clip slots.
8. The automatic high-voltage testing equipment of the circulator of any one of claims 4 to 7, wherein the industrial personal computer is electrically connected with the control panel, the first power module, the second power module, the pneumatic suction head, the lifting cylinder, the CCD positioning camera, the testing clamp and the rotating cylinder respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863069.2A CN112295954A (en) | 2020-08-25 | 2020-08-25 | Automatic high-voltage testing equipment of circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863069.2A CN112295954A (en) | 2020-08-25 | 2020-08-25 | Automatic high-voltage testing equipment of circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112295954A true CN112295954A (en) | 2021-02-02 |
Family
ID=74483865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010863069.2A Withdrawn CN112295954A (en) | 2020-08-25 | 2020-08-25 | Automatic high-voltage testing equipment of circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112295954A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228756A (en) * | 2022-06-24 | 2022-10-25 | 东方通信股份有限公司 | Multi-acupoint automatic sorting test device |
| CN115290415A (en) * | 2022-08-31 | 2022-11-04 | 山东省农业科学院 | Dyeing experimental device for water quality detection |
-
2020
- 2020-08-25 CN CN202010863069.2A patent/CN112295954A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228756A (en) * | 2022-06-24 | 2022-10-25 | 东方通信股份有限公司 | Multi-acupoint automatic sorting test device |
| CN115290415A (en) * | 2022-08-31 | 2022-11-04 | 山东省农业科学院 | Dyeing experimental device for water quality detection |
| CN115290415B (en) * | 2022-08-31 | 2024-09-17 | 山东省农业科学院 | A dyeing experimental device for water quality detection |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20210202 |