CN100437538C - Intelligent instrument with USB interface - Google Patents
Intelligent instrument with USB interface Download PDFInfo
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- CN100437538C CN100437538C CNB2007100281664A CN200710028166A CN100437538C CN 100437538 C CN100437538 C CN 100437538C CN B2007100281664 A CNB2007100281664 A CN B2007100281664A CN 200710028166 A CN200710028166 A CN 200710028166A CN 100437538 C CN100437538 C CN 100437538C
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 7
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- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000000083 pulse voltammetry Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002484 cyclic voltammetry Methods 0.000 description 2
- 238000002848 electrochemical method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004832 voltammetry Methods 0.000 description 2
- 238000003968 anodic stripping voltammetry Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004752 cathodic stripping voltammetry Methods 0.000 description 1
- 238000000970 chrono-amperometry Methods 0.000 description 1
- 238000001567 chrono-coulometry Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001903 differential pulse voltammetry Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004502 linear sweep voltammetry Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004365 square wave voltammetry Methods 0.000 description 1
- 238000003950 stripping voltammetry Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
An intelligent instrument with USB interface consists of controlled object, data collector for collecting data of controlled object and processor for receiving collected data and for carrying out data transmission and treatment with computer through USB interface. It is featured as integrating three said unit on an integrated circuit board, connecting one end of USB interface on said instrument to said integrated circuit board and another end to USB interface on computer.
Description
Technical field
The present invention relates to a kind of intelligence instrument, relate in particular to a kind of intelligence instrument with USB interface.
Background technology
At present, a lot of intelligence instruments link to each other with computing machine to fetch by USB interface and carry out data transmission.USB is Universal Serial Bus, the abbreviation of USB (universal serial bus).A usb interface system comprises a usb host, one or more USB device (computing machine is a main frame, and intelligence instrument is an equipment).The standard usb interface of current latest edition is USB2.0, according to this standard, the interface that uses in the usb interface system comprises the A type plug that is used to upload data to usb host, be used for the Type B plug of down-transmitting data to USB device, and the mini-B plug (function is identical with the Type B plug, is used for down-transmitting data to USB device) that is applicable to small device.A plurality of A type sockets are installed on main frame such as the computing machine, and what install on equipment such as the intelligence instrument is a Type B socket, is A type plug by an end between the two, and an end is that the USB connecting line of Type B plug links to each other.
Because USB interface has plug and play (PNP), speed fast (USB 2.0 can support the message transmission rate of 480Mbps) can provide electric power numerous advantages such as (5V/500mA) for equipment by computing machine.Therefore many intelligence instruments adopt USB interface, as a kind of bio signal acquisition process instrument that Chinese patent [02220911] is mentioned, a kind of real-time signal analyzer that Chinese patent [02145132] is mentioned.But all there is following shortcoming in these intelligence instruments:
1, the instrument volume is bigger, is unfavorable for going out to carry.
2, the USB interface of instrument must could link to each other with USB interface of computer (A type socket) by connecting line, annexation complexity not only, and be unfavorable for that instrument develops to microminiaturization.
3, instrument power consumption is big, and the electric energy that computing machine provides to intelligence instrument by USB interface can not satisfy the needs of intelligence instrument, therefore often needs the external world to provide AC power to power again, is unfavorable for field work like this.
Therefore, a kind of volume of our active demand intelligence instrument with USB interface little, easy to use.
Summary of the invention
Based on the deficiencies in the prior art, the intelligence instrument with USB interface that provides a kind of volume little, easy to use is provided the problem that the present invention need solve.
For addressing the above problem, the invention provides a kind of intelligence instrument with USB interface.This instrument is used for being connected with the computing machine with USB interface and carrying out signal transmission and processing, and it comprises: potentiostat; Data acquisition unit, the data that are used to gather potentiostat; Processor is used to receive the data of data acquisition unit collection and carries out data transmission and data processing by USB interface and computing machine; Signal generator, the data that are used for receiving processor are also with the control signal of this data conversion for the control potentiostat; Power module, described power module are connected with USB interface and obtain electric energy by this USB interface from computing machine is described surface-mounted integrated circuit power supply; Described data acquisition unit, processor and signal generator are integrated in a surface-mounted integrated circuit, USB interface one end on the described instrument be connected with this surface-mounted integrated circuit the other end suitable with the USB interface on the computing machine and both directly link to each other.
As an embodiment, this intelligence instrument also comprises signal generator, and the data that are used for receiving processor are also with the control signal of this data conversion for the control potentiostat.Described surface-mounted integrated circuit is the also integrated electrochemical analyser circuit board of potentiostat.Described USB interface is an A type USB plug, perhaps is other interface that can directly link to each other with A type USB socket.Described processor comprises the fifo circuit that is electrically connected with signal generator, data acquisition unit, and this fifo circuit has improved the efficient of processor processes data effectively.Described signal generator is 20 figure place weighted-voltage D/A converters, can improve the precision of control signal.Described data acquisition unit is 24 analog to digital converters, can improve the precision of data acquisition.Described surface-mounted integrated circuit is wrapped with the shell of metal shell or surface metal plating, and circuit board is realized electromagnetic screen, reduces external interference, realizes high-precision electrochemical measurement and control effectively.Described electrochemical analyser circuit board also comprises the expansion slot that is electrically connected with potentiostat, and this expansion slot can external sensor, electrode or other instruments, enlarges the function of this electrochemical analyser circuit board.
Compared with prior art, the intelligence instrument that the present invention has USB interface is integrated in each functional circuit on one circuit board on the one hand, and the integrated level of accentuator reduces the volume of instrument effectively; Instrument has saved connecting line by being directly connected in USB interface on the computing machine with the suitable USB interface of computing machine on the other hand, has simplified annexation; On the one hand, saved additional power source so again, helped carrying.Therefore, the intelligence instrument that the present invention has a USB interface has volume little (6.0cm * 2.0cm * 0.7cm), beneficial effect easy to use.
For making the present invention easier to understand, further set forth the intelligence instrument that the present invention has USB interface below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 has the structural representation of a preferred embodiment of intelligence instrument of USB interface for the present invention.
Fig. 2 has the functional block diagram of a preferred embodiment of intelligence instrument of USB interface for the present invention.
Embodiment
The intelligence instrument that the present invention has USB interface is used for being connected with the computing machine with USB interface, and carries out data transmission and data processing with this computing machine.This intelligence instrument comprises: potentiostat; Data acquisition unit, the data that are used to gather potentiostat; Processor is used to receive the data of data acquisition unit collection and carries out data transmission and data processing by USB interface and computing machine; Signal generator, the data that are used for receiving processor are also with the control signal of this data conversion for the control potentiostat; Described data acquisition unit, processor and signal generator are integrated in a surface-mounted integrated circuit, USB interface one end on the described instrument be connected with this surface-mounted integrated circuit the other end suitable with the USB interface on the computing machine and both directly link to each other.Be that example is elaborated to the intelligence instrument that the present invention has USB interface specifically below with a kind of electrochemical analyser.
With reference now to accompanying drawing, describe embodiments of the invention, the controlled device of described electrochemical analyser is a potentiostat.With reference to Fig. 1-2, the potentiostat 70 that the electrochemical analyser in the present embodiment comprises surface-mounted integrated circuit 80, be wrapped in the shell 90 of these surface-mounted integrated circuit 80 outsides, be electrically connected with this circuit board 80 and be directly welded in usb 10 on the circuit board 80.Described shell 90 is a metal shell, can certainly the surface be the shell of metal plating.This shell 90 not only plays the effect of protection surface-mounted integrated circuit 80, and surface-mounted integrated circuit 80 is implemented electromagnetic screen, reduces external interference, realizes high-precision electrochemical measurement of instrument and control effectively.Described usb 10 be with computing machine on the suitable A type USB interface of usb 10, the one end is directly welded on the circuit board 80, its other end is USB socket or plug, and USB plug or socket on shape and the computing machine are suitable, and the USB socket of this end or plug can directly be plugged on the USB plug or socket on the computing machine.So just no longer need connecting line to be connected between instrument and the computing machine, the A type USB interface (plug or socket) that has solved on the original computing machine can not direct-connected problem with the Type B USB interface (plug or socket) on the instrument.Described surface-mounted integrated circuit 80 also comprises the expansion slot 81 that is electrically connected with potentiostat 70, and this expansion slot 81 can be arranged at instrument tail end or side.Instrument can connection electrode or sensor by expansion slot 81, also can be connected with other instruments, realizes more complicated function, as the coupling and wired, the wireless telecommunications control of various method of testings.The simple expansion of this structure can realize independent operating, need not to outreach the computing machine support, and can keep the USB online function simultaneously.
Described surface-mounted integrated circuit 80 is the electrochemical analyser circuit board, and the circuit on this surface-mounted integrated circuit 80 comprises power module 20, processor 30, signal generator 40, data acquisition unit 50 and DIO 60.The end that described US B interface 10 is connected with circuit board 80 comprises four pins 11, this pin 11 is directly welded on the surface-mounted integrated circuit 80, wherein two pins 11 are electrically connected with processor 30, be used for processor 30 and carry out exchanges data with computing machine, two other pin 11 is electrically connected with power module 20, is used for computing machine to power module 20 electric energy transmittings.Power module 20 provides electric energy by obtaining various positive-negative powers behind the isolation filter for the circuit on the surface-mounted integrated circuit 80.
Described potentiostat 70 is electrically connected with signal generator 40, data acquisition unit 50 and DIO 60 on the surface-mounted integrated circuit 80 respectively.
When electrochemical analyser is worked, processor 30 carries out communication by usb 10 and outer computer, and instruction control signal generator 40, data acquisition unit 50 and DIO 60 that processor 30 transmits according to 36 li preset programs of storer or computing machine are converted to simulating signal with digital signal potentiostat 70 is accurately controlled.The corresponding signal of potentiostat 70 is converted to numerical data by data acquisition unit 50, obtain final analytic signal and analysis result after analytical approach that processor 30 bases are selected and test philosophy are handled these data, then final analysis signal and analysis result are stored in storer 36 or are uploaded to computing machine by usb 10.
Present embodiment also carries out following improvement on said structure:
1, adopts small size high-performance processor chip with USB2.0 interface, chip internal is integrated static RAM SRAM, push-up storage FIFO, functional modules such as universal input/output interface GPIO, realization is to the omnidistance controlling recording of observing and controlling process, and observing and controlling in real time, collection, processing and event memory, or in real time with the collection result high-speed transfer to PC, high transmission speed can reach 480Mbps.
2, utilize potentiostat to realize continuous current control and the control of permanent resistance, reduced the instrument volume, strengthened instrumental function, expanded the range of application of instrument.3, adopt small size plug connector etc.Ultra-small volume 2.5mm four-core jack has been installed on the circuit board, and supporting external sensor or external functional module also are equipped with corresponding plug, and volume is small and exquisite, and plug is convenient.Design the general connecting line that adopts corresponding plug simultaneously, can connect various Other Instruments, realized versatility.
The intelligence instrument that the present invention has USB interface is integrated in each functional circuit on one circuit board on the one hand, and the integrated level of accentuator reduces the volume of instrument effectively; Instrument has saved connecting line by being directly connected in USB interface on the computing machine with the suitable USB interface of computing machine on the other hand, has simplified annexation.Therefore, the intelligence instrument of the present invention with USB interface has volume beneficial effect little, easy to use.
Certainly, described potentiostat can be integrated on the described circuit board, and as described in present embodiment, the miniature electrochemical analyser of the formula that forms a whole also can be electrically connected with this circuit board but is arranged at outside this circuit board, forms a split type electrochemical analyser.As required, described potentiostat can be the instrument module of other type also, thereby forms dissimilar intelligence instruments.The integrated electrochemical analysis method of described electrochemical analyser circuit board comprises cyclic voltammetry, linear sweep voltammetry, chronoamperometry, chronocoulometry, chronoptentiometry, the time current curve method, differential pulse voltammetry, conventional pulse voltammetry, the conventional pulse voltammetry of difference, the conventional pulse voltammetry of two difference, square wave voltammetry, staircase waveform voltammetry, Ta Feier curve method, whole electrolytic process, Cathodic Stripping Voltammetry, anodic stripping voltammetry, current potential stripping voltammetry, exchange cyclic voltammetry, AC linear scanning voltammetry etc.Intelligence instrument of the present invention can directly be connected with USB interface of computer, also can be connected with the computing machine USB interface by USB extended line or USB HUB etc.USB interface on the described instrument can be that standard A type USB plug is welded on this circuit board, as described in present embodiment, instrument links to each other with USB interface of computer by this plug, also can be that 4 lead-in wires with USB interface directly are printed on this circuit board one end, then this end of circuit board is processed into the shape that adapts to A type USB socket, this end of circuit board can replace A type USB plug directly to link to each other with USB interface of computer like this, owing to omitted the metal shell and the pin of standard A type USB plug, further the reduction printer body is long-pending.
Above disclosed only is preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of being done according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (8)
1. the intelligence instrument with USB interface is used for being connected with the computing machine with USB interface and carrying out data transmission and data processing with this computing machine, and it comprises:
Potentiostat;
Data acquisition unit, the data that are used to gather potentiostat;
Processor is used to receive the data of data acquisition unit collection and carries out data transmission and data processing by USB interface and computing machine;
Signal generator, the data that are used for receiving processor are also with the control signal of this data conversion for the control potentiostat;
Power module, described power module are connected with USB interface and obtain electric energy by this USB interface from computing machine is described surface-mounted integrated circuit power supply;
Described data acquisition unit, processor and signal generator are integrated in a surface-mounted integrated circuit, USB interface one end on the described instrument be connected with this surface-mounted integrated circuit the other end suitable with the USB interface on the computing machine and both directly link to each other.
2. the intelligence instrument with USB interface as claimed in claim 1 is characterized in that described USB interface is an A type USB plug, perhaps is other interface that can directly link to each other with A type USB socket.
3. the intelligence instrument with USB interface as claimed in claim 1 is characterized in that described surface-mounted integrated circuit is the also integrated electrochemical analyser circuit board of potentiostat.
4. the intelligence instrument with USB interface as claimed in claim 3 is characterized in that described electrochemical analyser circuit board is wrapped with the shell of metal shell or surface metal plating.
5. the intelligence instrument with USB interface as claimed in claim 3 is characterized in that described electrochemical analyser circuit board also comprises the expansion slot that is electrically connected with potentiostat.
6. as claim 1 or 2 or 3 described intelligence instruments, it is characterized in that described signal generator is 20 figure place weighted-voltage D/A converters with USB interface.
7. as claim 1 or 2 or 3 described intelligence instruments, it is characterized in that described processor comprises the fifo circuit that is electrically connected with signal generator, data acquisition unit with USB interface.
8. as claim 1 or 2 or 3 described intelligence instruments, it is characterized in that described data acquisition unit is 24 analog to digital converters with USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100281664A CN100437538C (en) | 2007-05-24 | 2007-05-24 | Intelligent instrument with USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100281664A CN100437538C (en) | 2007-05-24 | 2007-05-24 | Intelligent instrument with USB interface |
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| Publication Number | Publication Date |
|---|---|
| CN101051298A CN101051298A (en) | 2007-10-10 |
| CN100437538C true CN100437538C (en) | 2008-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100281664A Expired - Fee Related CN100437538C (en) | 2007-05-24 | 2007-05-24 | Intelligent instrument with USB interface |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288658A (en) * | 2011-08-18 | 2011-12-21 | 天津市汉漠尔电子科技有限公司 | Portable electrochemical detection analysis device |
| CN102540945B (en) * | 2012-02-03 | 2014-01-01 | 上海雷磁·创益仪器仪表有限公司 | Control method of potentiostat |
| CN102880581A (en) * | 2012-08-27 | 2013-01-16 | 中国科学院长春应用化学研究所 | Electronic equipment integrated with miniature universal serial bus (USB) interface |
| TWI746182B (en) * | 2020-09-24 | 2021-11-11 | 禪譜科技股份有限公司 | Multi channel potentiostat device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1616930A (en) * | 2004-08-17 | 2005-05-18 | 尹新鸣 | Temperature and humidity collecting recorder and making method and data management ananlysis method |
| CN2742443Y (en) * | 2004-09-28 | 2005-11-23 | 林俊明 | Non destructive detector based on USB interface |
| CN2824007Y (en) * | 2005-06-28 | 2006-10-04 | 郑州铁路科学技术研究发展有限责任公司 | Intelligent multi-channel tester for bridge vibration and data acquiring adapter thereof |
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- 2007-05-24 CN CNB2007100281664A patent/CN100437538C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1616930A (en) * | 2004-08-17 | 2005-05-18 | 尹新鸣 | Temperature and humidity collecting recorder and making method and data management ananlysis method |
| CN2742443Y (en) * | 2004-09-28 | 2005-11-23 | 林俊明 | Non destructive detector based on USB interface |
| CN2824007Y (en) * | 2005-06-28 | 2006-10-04 | 郑州铁路科学技术研究发展有限责任公司 | Intelligent multi-channel tester for bridge vibration and data acquiring adapter thereof |
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| CN101051298A (en) | 2007-10-10 |
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Owner name: XIA YONG Free format text: FORMER OWNER: GUANGZHOU JINGWEI ANALYTICAL INSTRUMENT CO., LTD. Effective date: 20090410 |
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Effective date of registration: 20090410 Address after: No. 42-4 Comrade Street, Changchun, Jilin, Chaoyang District, China Patentee after: Xia Yong Address before: Guangdong city of Guangzhou province high tech Industrial Development Zone of Guangzhou Science City on Road No. 80, Guangzhou science and technology innovation base of comprehensive service building 612 Patentee before: Guangzhou Precision Analyzers Co., Ltd. |
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Granted publication date: 20081126 Termination date: 20150524 |
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