CN102879749A - Diamond fretsaw direct-current power supply test system - Google Patents

Diamond fretsaw direct-current power supply test system Download PDF

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Publication number
CN102879749A
CN102879749A CN2012103544304A CN201210354430A CN102879749A CN 102879749 A CN102879749 A CN 102879749A CN 2012103544304 A CN2012103544304 A CN 2012103544304A CN 201210354430 A CN201210354430 A CN 201210354430A CN 102879749 A CN102879749 A CN 102879749A
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CN
China
Prior art keywords
circuit
direct supply
direct
power supply
current
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CN2012103544304A
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Chinese (zh)
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CN102879749B (en
Inventor
牛光峰
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华晶精密制造有限公司
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Priority to CN201210354430.4A priority Critical patent/CN102879749B/en
Publication of CN102879749A publication Critical patent/CN102879749A/en
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Publication of CN102879749B publication Critical patent/CN102879749B/en

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Abstract

The invention discloses a diamond fretsaw direct-current power supply test system, which comprises a direct-current power supply parameter acquisition system and a processing analysis system, wherein a direct-current power supply required to be tested is inserted into a socket; the socket is connected with an external power supply; a control start-stop circuit is connected between the external power supply and the socket; the signal output terminals of an input loop current acquisition circuit of the direct-current power supply, an output voltage acquisition circuit of the direct-current power supply and an output current acquisition circuit of the direct-current power supply are connected with a signal input terminal of a central processing unit; and a communication terminal of the central processing unit is communicated with the processing analysis system through a communication module. The diamond fretsaw direct-current power supply test system can simultaneously test input loop current, output current, output voltage and internal temperature of the direct-current power supply and judges the stability and power consumption of the direct-current power supply from the parameters, so as to determine the quality of the direct-current power supply and timely replace the direct-current power supply, as a result, the normalization of the direct-current power supply of diamond fretsaw equipment is ensured. The diamond fretsaw direct-current power supply test system has higher stability and reliability, and facilitates the popularization and application.

Description

Diamond fretsaw direct supply test macro
Technical field
The present invention relates to the direct supply test macro, relate in particular to a kind of diamond fretsaw direct supply test macro.
Background technology
At present, direct supply kind on the market is a lot, and constant pressure and flow and all possess adjustability, equipment use producer to be difficult to differentiate the performance quality of direct supply.The performance quality of direct supply can be judged from following several aspects: the first, stability: whether voltage (electric current) stability of direct supply output meets the technical requirement of production technology; The second, whether the power consumption of direct supply is lower, so that saves energy; Whether the temperature rise of the 3rd direct supply is too fast, and the equipment working temperature is to weigh an important indicator of performance quality, and excess Temperature directly affects the life-span of product, and excess Temperature is a key factor that causes the electronic component aged deterioration.And the quality of the direct supply that uses on the diamond wire saw equipment directly has influence on the quality of equipment, therefore guarantees that direct supply normally is very important thing.
Summary of the invention
The purpose of this invention is to provide a kind of diamond fretsaw direct supply test macro, measure the parameter of direct supply, the normal use of guaranty money's diamond wire saw equipment.
The present invention adopts following technical proposals: a kind of diamond fretsaw direct supply test macro, comprise direct supply parameter acquisition system and Treatment Analysis system, described direct supply parameter acquisition system comprises the control switching on/off circuit for the start and stop test macro, be used for connecting the socket of direct supply, the input circuit current collection circuit of direct supply, the output voltage Acquisition Circuit of direct supply, the output current Acquisition Circuit of direct supply, CPU (central processing unit), the direct supply of required test inserts socket, socket is connected with external power supply, described control switching on/off circuit connects between external power supply and the socket, the input circuit current collection circuit of described direct supply, the output voltage Acquisition Circuit of direct supply, the signal output part of the output current Acquisition Circuit of direct supply all is connected with the signal input part of CPU (central processing unit), and the communication terminal of described CPU (central processing unit) is by communication module and Treatment Analysis system communication.
Described direct supply parameter acquisition system also includes the temperature collection circuit that gathers the direct supply internal temperature, and temperature collection circuit is arranged on direct supply inside, and the signal output part of temperature collection circuit is connected with the signal input part of CPU (central processing unit).
The input circuit current collection circuit of described direct supply comprises current sampling circuit and accurate full-wave rectifying circuit, described current sampling circuit is connected to the input end of direct supply, the output terminal of current sampling circuit connects the input end of accurate full-wave rectifying circuit, and the output terminal of accurate full-wave rectifying circuit connects CPU (central processing unit) by the A/D change-over circuit.
Described current sampling circuit and and accurate full-wave rectifying circuit between be connected with isolating transformer.
The output voltage Acquisition Circuit of described direct supply comprises voltage sampling circuit and the first in-phase amplification circuit, voltage sampling circuit is connected to the load output terminal of direct supply, the output terminal of voltage sampling circuit connects the input end of the first in-phase amplification circuit, and the output terminal of the first in-phase amplification circuit connects CPU (central processing unit) by the A/D change-over circuit.
The output current Acquisition Circuit of described direct supply comprises current sampling circuit and the second in-phase amplification circuit, current sampling circuit is connected to the load output terminal of direct supply, the output terminal of current sampling circuit connects the input end of the second in-phase amplification circuit, and the output terminal of the second in-phase amplification circuit connects CPU (central processing unit) by the A/D change-over circuit.
Be connected with direct supply fictitious load control circuit between the signal output part of described CPU (central processing unit) and the voltage sampling circuit.
Described fictitious load control circuit comprises capacitor charging circuit, triode, the voltage follower that is made of resistance and electric capacity, the base stage of described triode connects the signal output part of CPU (central processing unit), the grounded emitter of triode, access 5V power supply behind the collector contact resistance of triode, be connected electric capacity between the collector of triode and the emitter, the collector of triode connects the in-phase input end of voltage follower, and inverting input connects voltage sampling circuit after connecting its output terminal.
Described Treatment Analysis system is computing machine.
Diamond fretsaw direct supply test macro of the present invention is tested input circuit electric current, output current, the output voltage of direct supply simultaneously, and internal temperature, from these parameters, can learn stability, the power consumption of direct supply, thereby judge the quality of direct supply, in time change the direct supply of guaranty money's diamond wire saw equipment normal.Stability of the present invention, reliability are higher, are fit to promote the use of.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention;
Fig. 2 is the program flow diagram of CPU (central processing unit) of the present invention.
Embodiment
A kind of diamond fretsaw direct supply of the present invention test macro, comprise direct supply parameter acquisition system and Treatment Analysis system, described direct supply parameter acquisition system comprises the control switching on/off circuit for the start and stop test macro, be used for connecting the socket of direct supply, the input circuit current collection circuit of direct supply, the output voltage Acquisition Circuit of direct supply, the output current Acquisition Circuit of direct supply, gather the temperature collection circuit of direct supply internal temperature, CPU (central processing unit), described Treatment Analysis system is computing machine, and the communication terminal of described CPU (central processing unit) is by communication module and Treatment Analysis system communication.
As shown in Figure 1, the direct supply of required test inserts socket CZ, socket CZ is connected with external power supply AC220V, described control switching on/off circuit connects between external power supply AC220V and the socket CZ, the control start-stop circuit is made of triode Q1, relay J 1, diode D3, conducting or the shutoff of CPU (central processing unit) U 1 output control signal control triode Q1, thus the normally opened contact of pilot relay is closed or disconnection, reaches the purpose of start and stop input power circuit.Temperature collection circuit adopts U3(18B20), be arranged on direct supply inside, signal output part U3(18B20) is connected with the signal input part of CPU (central processing unit) U1.
The input circuit current collection circuit of described direct supply comprises current sampling circuit and accurate full-wave rectifying circuit, described current sampling circuit is resistance R 1, R1 is connected to the input end of direct supply, and the electric current of input circuit can calculate by the voltage drop above the R1; The output terminal of R1 connects the input end of accurate full-wave rectifying circuit by isolating transformer T1, isolating transformer T1 is 1 to 1 type transformer, for the isolation of the voltage on the R1 is passed to accurate full-wave rectifying circuit, accurate full-wave rectifying circuit comprises amplifier U2A, U2B(LM358), R2 to R8, R16, diode D1, D2, R16 and capacitor C 6, convert AC signal to stably direct current signal, the output terminal of accurate full-wave rectifying circuit is by A/D change-over circuit U2(TLC2543) connection CPU (central processing unit) U1.
The output voltage Acquisition Circuit of described direct supply comprises voltage sampling circuit and the first in-phase amplification circuit, voltage sampling circuit comprises power field effect pipe Q3, resistance R 23, be connected to the load output terminal of direct supply after both series connection, wherein the drain electrode of power field effect pipe Q3 connects positive output end, resistance R 23 connects negative output terminal, the drain electrode of power field effect pipe Q3 connects the first in-phase amplification circuit U5B(LM358) in-phase input end, inverting input connects output terminal by capacitor C 17, also pass through R18, adjustable resistance RP1 connects output terminal, and the output terminal of the first in-phase amplification circuit U5B is by A/D change-over circuit U2(TLC2543) connection CPU (central processing unit) U1.
The output current Acquisition Circuit of described direct supply comprises current sampling circuit and the second in-phase amplification circuit, current sampling circuit is power field effect pipe Q3, resistance R 23, the source electrode of power field effect pipe Q3 connects the in-phase input end of the second in-phase amplification circuit U6B by R24, voltage above the resistance R 23 is amplified, voltage after amplifying is input to in-phase input end, inverting input connects output terminal by capacitor C 16, also pass through R27, adjustable resistance RP2 connects output terminal, and the output terminal of the second in-phase amplification circuit U6B is by A/D change-over circuit U2(TLC2543) connection CPU (central processing unit) U1.
Be connected with direct supply fictitious load control circuit between the signal output part of described CPU (central processing unit) U1 and the direct supply load output terminal, described fictitious load control circuit comprises the capacitor charging circuit that is made of resistance R 21 and capacitor C 15, triode Q2, voltage follower U5A, the base stage of described triode Q2 connects the signal output part of CPU (central processing unit) U1 by resistance R 20, the grounded emitter of triode Q2, access 5V power supply behind the collector contact resistance R20, be connected capacitor C 15 between collector and the emitter, collector connects the in-phase input end of voltage follower U5A, and inverting input passes through the grid that resistance R 22 connects power field effect pipe Q3 after connecting its output terminal.Voltage above the capacitor C 15 can be raised to 5 volts in time slowly, when CPU (central processing unit) is exported high level to triode Q2, and triode Q2 conducting, electric energy above the capacitor C 15 is released, when the CPU (central processing unit) output low level, triode Q2 cut-off, capacitor C 15 is charged again.Voltage above the capacitor C 15 is added in the in-phase input end of U5A, and the output terminal of U5A is added to above the grid of power field effect pipe Q3 by resistance R 22.Along with the voltage above the capacitor C 15 is different, drain electrode, the resistance between the source electrode of power field effect pipe Q3 will change, at this moment, the power supply of test just quite connect one can the changes in resistance value load, as long as the paired pulses sequential is controlled, just can obtain corresponding resistance value, and the load that changes.
The present invention carries out work by flow process as shown in Figure 2, calculates the size of power supply power consumption by the size of measuring the input circuit electric current, and is added up by the time, can also calculate the height of the conversion efficiency of power supply, whether meets energy-conservation requirement; CPU (central processing unit) can obtain the continually varying resistance value by the control simulation load control circuit, the exporting change situation that is used for the dc voltage and current of power supply in the testing power supply load variations situation therefrom can be judged the variation of power supply and adjust sensitivity, stability; Operate in lower a period of time of specific pattern at direct supply, measure power supply internal temperature rise situation, can understand the quality of the temperature parameter of power supply.CPU (central processing unit) is transferred to computing machine with the parameter (source current, temperature, load current, load voltage) that collects by communication module U4 and data line, computing machine is painted various parameter march line drawings by software, then in addition data analysis, can be to the forms picture archive, data result is preserved etc.

Claims (9)

1. diamond fretsaw direct supply test macro, it is characterized in that: comprise direct supply parameter acquisition system and Treatment Analysis system, described direct supply parameter acquisition system comprises the control switching on/off circuit for the start and stop test macro, be used for connecting the socket of direct supply, the input circuit current collection circuit of direct supply, the output voltage Acquisition Circuit of direct supply, the output current Acquisition Circuit of direct supply, CPU (central processing unit), the direct supply of required test inserts socket, socket is connected with external power supply, described control switching on/off circuit connects between external power supply and the socket, the input circuit current collection circuit of described direct supply, the output voltage Acquisition Circuit of direct supply, the signal output part of the output current Acquisition Circuit of direct supply all is connected with the signal input part of CPU (central processing unit), and the communication terminal of described CPU (central processing unit) is by communication module and Treatment Analysis system communication.
2. diamond fretsaw direct supply test macro according to claim 1, it is characterized in that: described direct supply parameter acquisition system also includes the temperature collection circuit that gathers the direct supply internal temperature, temperature collection circuit is arranged on direct supply inside, and the signal output part of temperature collection circuit is connected with the signal input part of CPU (central processing unit).
3. diamond fretsaw direct supply test macro according to claim 2, it is characterized in that: the input circuit current collection circuit of described direct supply comprises current sampling circuit and accurate full-wave rectifying circuit, described current sampling circuit is connected to the input end of direct supply, the output terminal of current sampling circuit connects the input end of accurate full-wave rectifying circuit, and the output terminal of accurate full-wave rectifying circuit connects CPU (central processing unit) by the A/D change-over circuit.
4. diamond fretsaw direct supply test macro according to claim 3 is characterized in that: described current sampling circuit and and accurate full-wave rectifying circuit between be connected with isolating transformer.
5. arbitrary described diamond fretsaw direct supply test macro according to claim 4, it is characterized in that: the output voltage Acquisition Circuit of described direct supply comprises voltage sampling circuit and the first in-phase amplification circuit, voltage sampling circuit is connected to the load output terminal of direct supply, the output terminal of voltage sampling circuit connects the input end of the first in-phase amplification circuit, and the output terminal of the first in-phase amplification circuit connects CPU (central processing unit) by the A/D change-over circuit.
6. diamond fretsaw direct supply test macro according to claim 5, it is characterized in that: the output current Acquisition Circuit of described direct supply comprises current sampling circuit and the second in-phase amplification circuit, current sampling circuit is connected to the load output terminal of direct supply, the output terminal of current sampling circuit connects the input end of the second in-phase amplification circuit, and the output terminal of the second in-phase amplification circuit connects CPU (central processing unit) by the A/D change-over circuit.
7. according to claim 1 to 6 arbitrary described diamond fretsaw direct supply test macros, it is characterized in that: be connected with direct supply fictitious load control circuit between the signal output part of described CPU (central processing unit) and the voltage sampling circuit.
8. diamond fretsaw direct supply test macro according to claim 7, it is characterized in that: described fictitious load control circuit comprises the capacitor charging circuit that is made of resistance and electric capacity, triode, voltage follower, the base stage of described triode connects the signal output part of CPU (central processing unit), the grounded emitter of triode, access 5V power supply behind the collector contact resistance of triode, be connected electric capacity between the collector of triode and the emitter, the collector of triode connects the in-phase input end of voltage follower, and inverting input connects voltage sampling circuit after connecting its output terminal.
9. diamond fretsaw direct supply test macro according to claim 8 is characterized in that: described Treatment Analysis system is computing machine.
CN201210354430.4A 2012-09-22 2012-09-22 Diamond fretsaw direct-current power supply test system CN102879749B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439996A (en) * 2013-09-10 2013-12-11 华晶精密制造有限公司 Three-in-one temperature controller provided with data communication function and specially used for diamond scroll saw
CN103744031A (en) * 2013-12-13 2014-04-23 珠海瑞捷电气有限公司 Power supply detection apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5710701A (en) * 1995-07-31 1998-01-20 Deli Usa, L.P. Method and apparatus for power supply testing
CN201540362U (en) * 2009-09-04 2010-08-04 江苏紫金万成自动化控制设备有限公司 DC power parameter automatic testing device
CN101975885A (en) * 2010-08-24 2011-02-16 浙江涵普电力科技有限公司 Comprehensive electric energy detector for direct-current power supplies

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5710701A (en) * 1995-07-31 1998-01-20 Deli Usa, L.P. Method and apparatus for power supply testing
CN201540362U (en) * 2009-09-04 2010-08-04 江苏紫金万成自动化控制设备有限公司 DC power parameter automatic testing device
CN101975885A (en) * 2010-08-24 2011-02-16 浙江涵普电力科技有限公司 Comprehensive electric energy detector for direct-current power supplies

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439996A (en) * 2013-09-10 2013-12-11 华晶精密制造有限公司 Three-in-one temperature controller provided with data communication function and specially used for diamond scroll saw
CN103439996B (en) * 2013-09-10 2016-06-15 华晶精密制造股份有限公司 The special three-in-one band data communication facility temperature controller of diamond fretsaw
CN103744031A (en) * 2013-12-13 2014-04-23 珠海瑞捷电气有限公司 Power supply detection apparatus
CN103744031B (en) * 2013-12-13 2017-01-11 珠海瑞捷电气股份有限公司 Power supply detection apparatus

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Address after: 450000, Zhengzhou economic and Technological Development Zone, Henan, North four road north, Tenth Avenue West (Henan export processing zone)

Patentee after: The brilliant accurate limited-liability company that manufactures of China

Address before: 450000, Zhengzhou Economic Development Zone, Zhengzhou, Henan, four north of the road, tenth west of the street

Patentee before: Sino-crystal Precision Manufacturing Co.,Ltd.