CN109142230A - A kind of method of high frequency communications conducting wire drawing liquid composition detection - Google Patents

A kind of method of high frequency communications conducting wire drawing liquid composition detection Download PDF

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Publication number
CN109142230A
CN109142230A CN201811094206.XA CN201811094206A CN109142230A CN 109142230 A CN109142230 A CN 109142230A CN 201811094206 A CN201811094206 A CN 201811094206A CN 109142230 A CN109142230 A CN 109142230A
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China
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drawing liquid
program module
circuit unit
lower piston
module
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CN201811094206.XA
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Inventor
周小明
周长根
王飞鹏
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Dongguan Diwang Communication Technology Co Ltd
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Dongguan Diwang Communication Technology Co Ltd
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Priority to CN201811094206.XA priority Critical patent/CN109142230A/en
Publication of CN109142230A publication Critical patent/CN109142230A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The invention discloses a kind of methods of high frequency communications conducting wire drawing liquid composition detection, and including the single chip microcomputer being arranged on a main circuit board, program storage stores numerous program modules;One drawing liquid supervisor has drawing liquid inlet pipe and drawing liquid outlet pipe;Upper and lower piston driving motor drives upper and lower piston to stretch in drawing liquid supervisor;One sliding block is covered on drawing liquid supervisor and is slided, and the side wall of drawing liquid supervisor is thickness that is transparent, shining with the opaque lipid phase condensed in light-emitting diode detection drawing liquid supervisor;Semiconductor cold dome connects heat-conducting block and drawing liquid supervisor.It is an advantage of the current invention that the present invention does not influence the continuity of production process, detection cycle is set in process of production and is detected automatically, has display screen to show the accounting of drawing liquid main component.Method of the invention uses precision machinery mode, precision operational-amplifier and software precision operation.The accounting of grease in drawing liquid can be accurately detected using photosignal.

Description

A kind of method of high frequency communications conducting wire drawing liquid composition detection
Technical field
The present invention relates to conducting wire drawing technique more particularly to the methods of high frequency communications conducting wire drawing liquid composition detection.
Background technique
In the prior art, dynamically the technology of detection drawing liquid ingredient is rare in process of production.
As drawing liquid main component or be mineral oil or be industrial butter, accounting is 60%~80%, when in drawing liquid Grease serious loss when, conducting wire drawing quality can be seriously affected.It is all to sentence by rule of thumb by experienced technician under normal circumstances The quality of other drawing liquid, the result of differentiation have biggish deviation.
In view of the above circumstances, in production practices, people expect that one kind is mounted on production scene periodic detection drawing liquid quality Method and apparatus.
Summary of the invention
It is an object of the invention to for " when grease serious loss in drawing liquid, seriously affecting and lead in the prior art Line drawing quality.All be to differentiate the quality of drawing liquid by rule of thumb by experienced technician under normal circumstances, the result of differentiation have compared with The deficiency of big deviation " has manufactured and designed a kind of method of high frequency communications conducting wire drawing liquid composition detection.
The present invention is realized by using following technical scheme.
Implement a kind of method of high frequency communications conducting wire drawing liquid composition detection, comprising:
Single chip microcomputer is arranged in the first step on the main circuit board of detection device first, sets inside the single chip microcomputer It is equipped with program storage, and loading wherein includes upper piston driver module, lower piston driver module, semiconductor cooling Heap freeze program module, semiconductor cold reactor heating program module, cold dome fan driver module, slider-actuated program module, Detect program module, upper piston second position detection program module, lower piston first position detection program in upper piston first position Module, lower piston second position detection program module, lower piston the third place detection program module, photosignal input program mould Block, constituent analysis calculate output program module, display program module and drawing liquid stream dynamic program module;Each program module Instruction be suitable for loaded and executed by processor;
Second step, then, single chip microcomputer move circuit unit driving by drawing liquid stream dynamic program module and drawing liquid stream and draw Liquor pullover pump flows into drawing liquid from drawing liquid inlet pipe, flows out from drawing liquid outlet pipe and returns to drawing liquid case;After cycle balance, lower work The lower piston top surface for filling in driver module and lower piston drive circuit unit driving lower piston reaches in the master of drawing liquid supervisor The position BB of chamber, simultaneously closes off drawing liquid pump, flows drawing liquid no longer;
Third step, then, the upper piston top surface of upper piston driver module and upper piston drive circuit unit driving upper piston The position AB of the main inner chamber of drawing liquid supervisor is reached, meanwhile, lower piston driver module and lower piston drive circuit unit drive The lower piston top surface of dynamic lower piston reaches the position BC of main inner chamber, in this way, intercepting between top surface in upper piston top surface~lower piston One section of drawing liquid;
4th step, next, single chip microcomputer drive semiconductor cold reactor refrigerant sequence module, semiconductor cold reactor driving circuit list Member and cold dome fan drive circuit unit are started to work, and since semiconductor cold reactor is close to heat-conducting block, heat-conducting block is close to drawing liquid again Supervisor, drawing liquid supervisor are made of thermally conductive good material, so the drawing liquid in drawing liquid supervisor condenses rapidly, in drawing liquid Lubricant component the top that drawing liquid is responsible for formed opaque article;
5th step, next, single chip microcomputer drive slider-actuated program module, slider-actuated circuit unit, make sliding block cover Drawing liquid supervisor on slide, because drawing liquid supervisor side wall be it is transparent, light emitting diode and light-emitting diode detect not The thickness of transparent lipid phase, photosignal input circuit unit and photosignal input program module for opaque lipid phase Thickness data be supplied to constituent analysis calculate output program module;
6th step, next, constituent analysis calculates output program module for the thickness data of opaque lipid phase by tabling look-up Operation is converted to drawing liquid lubricant component data, is maintained among program operation variable buffer, which issues display unit It is driven and is shown by display program module, and output program module drive communicating circuit unit is calculated by constituent analysis and sends out data Upper level control unit is given, by its processing;
7th step drives semiconductor cold reactor drive circuit unit to give drawing liquid master next, semiconductor cold reactor heats program module Pipe heating and shutdown cold dome fan drive circuit unit, melt the drawing liquid of condensation, to drawing liquid and drawing liquid supervisor, upper work After plug, drawing liquid inlet pipe, lower piston, drawing liquid outlet pipe are returned to the preceding temperature of test, semiconductor cold reactor heats program module shutdown Power supply of the semiconductor cold reactor drive circuit unit to semiconductor cold reactor.
Semiconductor cold reactor described in 7th step heats program module shutdown semiconductor cold reactor drive circuit unit to semiconductor cooling After the power supply of heap, the upper piston top surface of upper piston driver module and upper piston drive circuit unit driving upper piston is returned to The position AA for the main inner chamber being responsible for up to drawing liquid.
Semiconductor cold reactor described in 7th step heats program module shutdown semiconductor cold reactor drive circuit unit to semiconductor cooling After the power supply of heap, the lower piston top surface of lower piston driver module and lower piston drive circuit unit driving lower piston is returned to The position BA for the main inner chamber being responsible for up to drawing liquid.
Light emitting diode described in 5th step and light-emitting diode detect the thickness of opaque lipid phase, photosignal Input circuit unit and photosignal input program module and the thickness data of opaque lipid phase are supplied to constituent analysis meter Calculate output program module, be: slider-actuated program module drives slide motor operation by slider-actuated circuit unit, by sliding block It first runs to the top of slide block guide rail, is then once run down by 1/10th millimeters of every step countings, to light emitting diode When detecting light transmittance significant change with light-emitting diode, using current count value as the thickness data of opaque lipid phase.
It is an advantage of the current invention that the present invention does not influence the continuity of production process, setting detection is all in process of production Phase is detected automatically, has display screen to show the accounting of drawing liquid main component.Technical pattern of the invention is compact, using precision machinery Mode, precision operational-amplifier and software precision operation.Grease in drawing liquid can be accurately detected using photosignal Accounting.
Detailed description of the invention
The present invention is further detailed below with attached drawing, but the embodiment in attached drawing is not constituted to this hair Bright any restrictions.
Fig. 1 is the method mechanical part schematic illustration of high frequency communications conducting wire drawing liquid composition detection of the invention;
Fig. 2 is the schematic diagram of lower piston part in the method for high frequency communications conducting wire drawing liquid composition detection of the invention;
Fig. 3 be in the method for high frequency communications conducting wire drawing liquid composition detection of the invention upper piston and lower piston in initial position Schematic diagram;
Fig. 4 is signal of the lower piston at the second position in the method for high frequency communications conducting wire drawing liquid composition detection of the invention Figure;;
Fig. 5 is that upper piston exists in the second position and lower piston in the method for high frequency communications conducting wire drawing liquid composition detection of the invention Schematic diagram when the third place;
Fig. 6 is 5 connection of heat-conducting block 91 and drawing liquid supervisor in the method for high frequency communications conducting wire drawing liquid composition detection of the invention Schematic diagram;
Fig. 7 is that single chip microcomputer 21 connects each circuit in the method for high frequency communications conducting wire drawing liquid composition detection of the invention The block diagram of unit;
Fig. 8 is 21 internal program memory of single chip microcomputer in the method for high frequency communications conducting wire drawing liquid composition detection of the invention The schematic diagram of each program module stored in 22.
Specific embodiment
Below with reference to specific embodiment, the present invention will be described.
As shown in FIG. 1 to FIG. 8, implements a kind of method of high frequency communications conducting wire drawing liquid composition detection, include the following steps:
Single chip microcomputer 21, the micro- calculating of monolithic is arranged in the first step on the main circuit board 2 of line footpath detection device 1 first Machine 21 is internally provided with program storage 22, and loading wherein includes upper piston driver module 2111, lower piston driving Program module 2112, semiconductor cold reactor refrigerant sequence module 2113, semiconductor cold reactor heating program module 2114, cold dome fan drive Program module 2117, upper piston second are detected in dynamic program module 2115, slider-actuated program module 2116, upper piston first position Program mould is detected in position detection program module 2118, lower piston first position detection program module 2119, the lower piston second position Block 2120, lower piston the third place detection program module 2121, photosignal input program module 2122, constituent analysis calculating are defeated Program module 2123, display program module 2124 and drawing liquid stream dynamic program module 2125 out;The finger of each program module It enables and is suitable for being loaded and being executed by processor 23;
Second step, then, single chip microcomputer 21 move circuit unit by drawing liquid stream dynamic program module 2125 and drawing liquid stream 2513 driving drawing liquid pumps flow into drawing liquid from drawing liquid inlet pipe 51, flow out from drawing liquid outlet pipe 52 and return to drawing liquid case;When After cycle balance, the lower piston of lower piston driver module 2112 and the driving lower piston 42 of lower piston drive circuit unit 2502 Top surface 429 reaches the position BB of the main inner chamber 53 of drawing liquid supervisor 5, simultaneously closes off drawing liquid pump, flows drawing liquid no longer;
Third step, then, upper piston driver module 2111 and upper piston drive circuit unit 2501 drive upper piston 41 Upper piston top surface 419 reaches the position AB of the main inner chamber 53 of drawing liquid supervisor 5, meanwhile, 2112 He of lower piston driver module Lower piston drive circuit unit 2502 drives the position BC of the arrival of lower piston top surface 429 main inner chamber 53 of lower piston 42, in this way, One section of drawing liquid has been intercepted between upper piston top surface 419~lower piston top surface 429;
4th step, next, single chip microcomputer 21 drive semiconductor cold reactor refrigerant sequence module 2113, semiconductor cold reactor driving Circuit unit 2503 and cold dome fan drive circuit unit 2504 are started to work, since semiconductor cold reactor 92 is close to heat-conducting block 91, Heat-conducting block 91 is close to drawing liquid supervisor 5 again, and drawing liquid supervisor 5 is made of thermally conductive good material, so in drawing liquid supervisor 5 Drawing liquid condenses rapidly, and the lubricant component in drawing liquid forms opaque article on the top of drawing liquid supervisor 5;
5th step, next, single chip microcomputer 21 drive slider-actuated program module 2116, slider-actuated circuit unit 2514, it covers on sliding block 7 on drawing liquid supervisor 5 and slides, because the side wall of drawing liquid supervisor 5 is transparent, 81 He of light emitting diode Light-emitting diode 82 detects the thickness of opaque lipid phase, photosignal input circuit unit 2505 and photosignal input The thickness data of opaque lipid phase is supplied to constituent analysis and calculates output program module 2123 by program module 2122;
6th step, next, constituent analysis calculate output program module 2123 thickness data of opaque lipid phase is passed through Table lookup operation is converted to drawing liquid lubricant component data, is maintained among program operation variable buffer 24, which issues aobvious Show that unit 2512 is driven by display program module to show, and the driving communication electricity of output program module 2123 is calculated by constituent analysis Road unit 2506 sends the data to upper level control unit, by its processing;
7th step drives semiconductor cold reactor drive circuit unit 2503 to give next, semiconductor cold reactor heats program module 2114 5 heating of drawing liquid supervisor and shutdown cold dome fan drive circuit unit 2504, melt the drawing liquid of condensation, to drawing liquid and drawing After liquor pullover supervisor 5, upper piston 41, drawing liquid inlet pipe 51, lower piston 42, drawing liquid outlet pipe 52 are returned to the preceding temperature of test, partly lead Body cold dome heats program module 2114 and turns off power supply of the semiconductor cold reactor drive circuit unit 2503 to semiconductor cold reactor 92.
It is right that semiconductor cold reactor described in 7th step heats the shutdown semiconductor cold reactor drive circuit unit 2503 of program module 2114 It is living on upper piston driver module 2111 and the driving of upper piston drive circuit unit 2501 after the power supply of semiconductor cold reactor 92 The upper piston top surface 419 of plug 41 returns to the position AA of the main inner chamber 53 up to drawing liquid supervisor 5.
It is right that semiconductor cold reactor described in 7th step heats the shutdown semiconductor cold reactor drive circuit unit 2503 of program module 2114 After the power supply of semiconductor cold reactor 92, lower piston driver module 2112 and the lower work of the driving of lower piston drive circuit unit 2502 The lower piston top surface 429 of plug 42 returns to the position BA of the main inner chamber 53 up to drawing liquid supervisor 5.
Light emitting diode 81 described in 5th step and light-emitting diode 82 detect the thickness of opaque lipid phase, photoelectricity Signal input circuit unit 2505 and photosignal input program module 2122 provide the thickness data of opaque lipid phase Calculate output program module 2123 to constituent analysis, be: slider-actuated program module 2116 passes through slider-actuated circuit unit 2514 driving slide motors 6 are run, and sliding block 7 is first run to the top of slide block guide rail 61, then by every 1/10th milli of step Rice is counted and is once run down, will be current when light emitting diode 81 and light-emitting diode 82 detect light transmittance significant change Thickness data of the count value as opaque lipid phase.
Find out from Fig. 1 and Fig. 2, upper piston first position detection sensor 416, upper piston second position detection sensor 417, lower piston first position detection sensor 426, lower piston second position detection sensor 427, the inspection of lower piston the third place It surveys sensor 428 and all uses Hall sensor.When upper piston position magnet 415, lower piston position magnet 425 align, respectively A Hall sensor is to respective circuit output binary zero signal.
In Fig. 1, slide motor 6 uses servo motor, and a upper datum mark is separately arranged on sliding block 7, and the driving of slide motor 6 is slided Then shutdown when block 7 finds this datum mark is run downwards step by step, while seeing that photosignal input circuit unit 255 is examined After measuring the value that light transmittance variation is more than setting, output current count value is sent to as the thickness data of opaque lipid phase Constituent analysis calculates output program module 2123.
Fig. 6, Fig. 7 show the mounting structure and semiconductor cold reactor drive circuit unit 2504 of semiconductor cold reactor 92 " 1 " is exported with the 23rd foot of the connection of single chip microcomputer 21, single chip microcomputer 21, the 24th foot exports " 0 " binary data, DC12V voltage forward direction is added on semiconductor cold reactor 92, and semiconductor cold reactor 92 freezes;When the 23rd foot exports " 0 ", the 24th foot is exported " 1 " binary data, DC12V voltage reversal are added on semiconductor cold reactor 92, and semiconductor cold reactor 92 heats;Two pins all export " 0 ", semiconductor cold reactor 92 turn off.
In Fig. 8, each program module is stored in the program storage 22 inside single chip microcomputer 21, processor 23 Each program module is called to run, program runs variable buffer 24 and stores required temporary data when program operation;
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the thought of the present invention, There will be changes in specific embodiment and application range, and the content of the present specification should not be construed as to limit of the invention System.

Claims (4)

1. a kind of method of high frequency communications conducting wire drawing liquid composition detection, by the journey loaded in one-chip computer program storage area Sort run is realized, which is characterized in that the method includes the steps:
Single chip microcomputer (21) are arranged on the main circuit board (2) of detection device (1) first in the first step, the micro- meter of monolithic Calculation machine (21) is internally provided with program storage (22), and wherein load include upper piston driver module (2111), under Piston driver module (2112), semiconductor cold reactor refrigerant sequence module (2113), semiconductor cold reactor heat program module (2114), journey is detected in cold dome fan driver module (2115), slider-actuated program module (2116), upper piston first position Program module is detected in sequence module (2117), upper piston second position detection program module (2118), lower piston first position (2119), lower piston second position detection program module (2120), lower piston the third place detect program module (2121), photoelectricity Input program signal module (2122), constituent analysis calculate output program module (2123), display program module (2124) and draw Liquor pullover flow program module (2125);The instruction of each program module is suitable for being loaded and being executed by processor (23);
Second step, then, single chip microcomputer (21) pass through drawing liquid stream dynamic program module (2125) and drawing liquid flow circuit Unit (2513) driving drawing liquid pump flows into drawing liquid from drawing liquid inlet pipe (51), flows out to return from drawing liquid outlet pipe (52) and draw Liquor pullover case;After cycle balance, under lower piston driver module (2112) and lower piston drive circuit unit (2502) driving The lower piston top surface (429) of piston (42) reaches the position BB of the main inner chamber (53) of drawing liquid supervisor (5), simultaneously closes off drawing liquid Pump, flows drawing liquid no longer;
Third step, then, upper piston driver module (2111) and upper piston drive circuit unit (2501) drive upper piston (41) upper piston top surface (419) reaches the position AB of the main inner chamber (53) of drawing liquid supervisor (5), meanwhile, lower piston drives journey The lower piston top surface (429) of sequence module (2112) and lower piston drive circuit unit (2502) driving lower piston (42) reaches in main The position BC of chamber (53), in this way, having intercepted one section of drawing liquid between upper piston top surface (419)~lower piston top surface (429);
4th step, next, single chip microcomputer (21) drive semiconductor cold reactor refrigerant sequence module (2113), semiconductor cold reactor Drive circuit unit (2503) and cold dome fan drive circuit unit (2504) are started to work, since semiconductor cold reactor (92) are close to Heat-conducting block (91), heat-conducting block (91) are close to drawing liquid supervisor (5) again, and drawing liquid supervisor (5) is made of thermally conductive good material, institute It is condensed rapidly with the drawing liquid in drawing liquid supervisor (5), the lubricant component in drawing liquid is formed on the top of drawing liquid supervisor (5) Opaque article;
5th step, next, single chip microcomputer (21) drive slider-actuated program module (2116), slider-actuated circuit unit (2514), make sliding block (7) cover on drawing liquid supervisor (5) on slide, because drawing liquid supervisor (5) side wall be it is transparent, shine two Pole pipe (81) and light-emitting diode (82) detect the thickness of opaque lipid phase, photosignal input circuit unit (2505) The thickness data of opaque lipid phase is supplied to constituent analysis with photosignal input program module (2122) and calculates output Program module (2123);
6th step, next, constituent analysis calculate output program module (2123) thickness data of opaque lipid phase is led to It crosses table lookup operation and is converted to drawing liquid lubricant component data, be maintained among program operation variable buffer (24), data hair It is driven and is shown by display program module to display unit (2512), and output program module (2123) are calculated by constituent analysis and are driven Dynamic communicating circuit unit (2506) send the data to upper level control unit, by its processing;
7th step, next, semiconductor cold reactor heating program module (2114) drive semiconductor cold reactor drive circuit unit (2503) to drawing liquid supervisor (5) heating and shutdown cold dome fan drive circuit unit (2504), melt the drawing liquid of condensation, All to drawing liquid and drawing liquid supervisor (5), upper piston (41), drawing liquid inlet pipe (51), lower piston (42), drawing liquid outlet pipe (52) After returning to the preceding temperature of test, semiconductor cold reactor heats program module (2114) shutdown semiconductor cold reactor drive circuit unit (2503) Power supply to semiconductor cold reactor (92).
2. the method for high frequency communications conducting wire drawing liquid composition detection according to claim 1, it is characterised in that:
It is right that semiconductor cold reactor described in 7th step heats program module (2114) shutdown semiconductor cold reactor drive circuit unit (2503) After the power supply of semiconductor cold reactor (92), upper piston driver module (2111) and upper piston drive circuit unit (2501) are driven The upper piston top surface (419) of dynamic upper piston (41) returns to the position AA of the main inner chamber (53) up to drawing liquid supervisor (5).
3. the method for high frequency communications conducting wire drawing liquid composition detection according to claim 1, it is characterised in that:
It is right that semiconductor cold reactor described in 7th step heats program module (2114) shutdown semiconductor cold reactor drive circuit unit (2503) After the power supply of semiconductor cold reactor (92), lower piston driver module (2112) and lower piston drive circuit unit (2502) are driven The lower piston top surface (429) of dynamic lower piston (42) returns to the position BA of the main inner chamber (53) up to drawing liquid supervisor (5).
4. the method for high frequency communications conducting wire drawing liquid composition detection according to claim 1, it is characterised in that:
Light emitting diode (81) and light-emitting diode (82) described in 5th step detect the thickness of opaque lipid phase, photoelectricity Signal input circuit unit (2505) and photosignal input program module (2122) for the thickness data of opaque lipid phase Be supplied to constituent analysis and calculate output program module (2123), be: slider-actuated program module (2116) passes through slider-actuated electricity Road unit (2514) drives slide motor (6) operation, and sliding block (7) is first run to the top of slide block guide rail (61), is then pressed / 10th millimeters of countings of every step are once run down, and detect light transmittance to light emitting diode (81) and light-emitting diode (82) When significant change, using current count value as the thickness data of opaque lipid phase.
CN201811094206.XA 2018-09-19 2018-09-19 A kind of method of high frequency communications conducting wire drawing liquid composition detection Pending CN109142230A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06226405A (en) * 1991-03-27 1994-08-16 Kawasaki Heavy Ind Ltd Abnormality diagnostic device for drawing device of horizontal continuous casting equipment
CN102132145A (en) * 2008-07-28 2011-07-20 医药及科学传感器公司 Systems and methods for optical measurement of analyte concentration
CN102152115A (en) * 2011-01-05 2011-08-17 大连康丰科技有限公司 Drawing and straightening integrated machine
CN207197912U (en) * 2017-06-16 2018-04-06 中冶建筑研究总院有限公司 Metal Roof system anti-pulling capacity detection means
CN108092368A (en) * 2018-01-29 2018-05-29 东莞市仲康电子科技有限公司 A kind of method and apparatus of microprocessor processes automobile multifunctional charger data
CN209102597U (en) * 2018-09-19 2019-07-12 东莞市缔网通讯科技有限公司 A kind of high frequency communications conducting wire drawing liquid component detection apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06226405A (en) * 1991-03-27 1994-08-16 Kawasaki Heavy Ind Ltd Abnormality diagnostic device for drawing device of horizontal continuous casting equipment
CN102132145A (en) * 2008-07-28 2011-07-20 医药及科学传感器公司 Systems and methods for optical measurement of analyte concentration
CN102152115A (en) * 2011-01-05 2011-08-17 大连康丰科技有限公司 Drawing and straightening integrated machine
CN207197912U (en) * 2017-06-16 2018-04-06 中冶建筑研究总院有限公司 Metal Roof system anti-pulling capacity detection means
CN108092368A (en) * 2018-01-29 2018-05-29 东莞市仲康电子科技有限公司 A kind of method and apparatus of microprocessor processes automobile multifunctional charger data
CN209102597U (en) * 2018-09-19 2019-07-12 东莞市缔网通讯科技有限公司 A kind of high frequency communications conducting wire drawing liquid component detection apparatus

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