CN201497893U - 16-Channel digital data acquisition/control box - Google Patents
16-Channel digital data acquisition/control box Download PDFInfo
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- CN201497893U CN201497893U CN2009203079414U CN200920307941U CN201497893U CN 201497893 U CN201497893 U CN 201497893U CN 2009203079414 U CN2009203079414 U CN 2009203079414U CN 200920307941 U CN200920307941 U CN 200920307941U CN 201497893 U CN201497893 U CN 201497893U
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Abstract
The utility model relates to the field of data acquisition and control, particularly a 16-channel digital data acquisition/control box. The 16-channel digital data acquisition/control box comprises an 8-channel digital data acquisition circuit, an 8-channel digital data control circuit, a microprocessor, a 485 compunction module and a communication interface. The 8-channel digital data acquisition circuit comprises an 8-channel input interface, a front-end protection filter circuit A and a buffer circuit A, wherein the output terminal of the 8-channel input interface is connected with the input terminal of the front-end protection filter circuit A, the output terminal of the front-end protection filter circuit A is connected with the input terminal of the buffer circuit A, the buffer circuit A sends the data to the microprocessor, the microprocessor sends the processed control data to a buffer circuit B, the output terminal of the buffer circuit B is connected with the input terminal of a front-end protection filter circuit B, and the output terminal of the front-end protection filter circuit B is connected with the 8-channel input interface. The microprocessor is also connected with the 485 compunction module, and the 485 compunction module is also connected with the communication interface. The 16-channel digital data acquisition/ control box have the benefits of high running speed and good anti-jamming capability.
Description
Technical field
The utility model relates to data acquisition and control, the device of especially a kind of digital data collection and control.
Background technology
Industry spot has a large amount of switching value signals collecting, controlled device is controlled again according to the data that collect in good time., standard simple for the wiring of the collection that makes the switching value signal and control, the general employing gathered and control module is carried out.But, the switch acquisition of prior art and control module cost height, transmission speed is low, does not have the design protection circuit and remove interfered circuit in circuit, and therefore work is stable inadequately, even can't operate as normal when electromagnetic interference (EMI) is strong.
A kind of high speed of market demand, simple in structure, cost is low, the switch acquisition and the control device of working stability and dependable performance.
The utility model content
The utility model is intended to the above-mentioned deficiency and the market demand at prior art, releases a kind of 16 road digital quantity data acquisition and control enclosurees, it has at a high speed, simple in structure, cost is low, the characteristics of working stability and dependable performance.
For this reason, the utility model 16 road digital quantity data acquisitions and control enclosure adopt following technical scheme:
Structure the utility model 16 road digital quantity data acquisition and control enclosurees comprise 8 road digital quantity data acquisition circuits, 8 road digital quantity data control circuits, microprocessor, 485 communication modules and communication interface; 8 road digital quantity data acquisition circuits comprise 8 passage input interfaces, front-end protection filtering circuit A and buffer circuit A, wherein the output terminal of 8 passage input interfaces is connected with the input end of front-end protection filtering circuit A, the output terminal of front-end protection filtering circuit A is connected with the input end of buffer circuit A, and buffer circuit A is with the data input microprocessor; Microprocessor is exported to buffer circuit B with treated control data again, and the output terminal of buffer circuit B is connected with the input end of front-end protection filtering circuit B, and the output terminal of front-end protection filtering circuit B is connected with 8 passage output interfaces; Microprocessor also is connected with 485 communication modules, and 485 communication modules also are connected with communication interface.
Below technique scheme is further elaborated:
Described microprocessor is eight bit microprocessors.
Also have the power supply adjusting module, reset/watchdog circuit, and the clock circuit be connected with microprocessor, the power supply adjusting module also links to each other with the external power source interface.
16 road digital quantity data acquisition and control enclosurees of the present utility model; 8 way switch amount signals from the multiple controlled device of industry spot can be imported from 8 passage input interfaces; after handling by front-end protection filtering circuit A and buffer circuit A successively; microprocessor is arrived in data acquisition; microprocessor is further handled data; calculate; after handling by buffer circuit B and front-end protection filtering circuit B successively again; then control signal is passed to 8 passage output interfaces; by 8 passage output interfaces control signal is transmitted to the multiple controlled device of industry spot, with operation or the work of controlling them.
Microprocessor also can be sent to host computer (PC computer) with image data by 485 communication modules, shows image data by host computer BGTIO software in real time with vivid graphics mode.By 485 communication modules and communication interface, the digital data that collects microprocessor can be sent to the corresponding management module again, or the data of corresponding management module are sent to microprocessor control.
The utility model is compared with prior art, its beneficial effect is: one, can with from 8 way switch amount signals of the plurality of devices of industry spot from the input of 8 passage input interfaces to handle, by 8 passage output interfaces control signal is transmitted to the multiple controlled device of industry spot then again, promptly quite 8 digital quantity data acquisition modules and 8 digital quantity Data Control module combinations are in the same place, make more convenient, the simplification of field wiring, and make structure become letter, cost descends.Two, this product is controlled the plurality of devices of industry spot in real time by pull-down pattern, can bear the highest 50V voltage, and the pull-down current maximum can reach 250MA, and volume is small and exquisite, installs simply, and antijamming capability is strong, can be mounted to controlled plant inside.They are three years old, microprocessor is further handled data, calculates, and adds the CRC error correcting code and carry out the error correction correction, by 485 communication modules image data is sent to host computer (PC computer) again, shows image data in real time with vivid graphics mode by host computer BGTIO software.Four, the security and stability that the front-end protection filtering circuit can improve entire circuit is set.Its five, purposes is wide, can be widely used in the digital data acquisition of industry spot.Its six, multiple communication baud rate is adjustable, 9600～115200bit/s.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Embodiment
Below, in conjunction with the accompanying drawings, introduce embodiment of the present utility model.
As shown in Figure 1, the utility model 16 road digital quantity data acquisition and control enclosurees comprise 8 road digital quantity data acquisition circuits, 8 road digital quantity data control circuits, microprocessor, 485 communication modules and communication interface; 8 road digital quantity data acquisition circuits comprise 8 passage input interfaces, front-end protection filtering circuit A and buffer circuit A, wherein the output terminal of 8 passage input interfaces is connected with the input end of front-end protection filtering circuit A, the output terminal of front-end protection filtering circuit A is connected with the input end of buffer circuit A, and buffer circuit A is with the data input microprocessor; Microprocessor is exported to buffer circuit B with treated control data again, and the output terminal of buffer circuit B is connected with the input end of front-end protection filtering circuit B, and the output terminal of front-end protection filtering circuit B is connected with 8 passage output interfaces; Microprocessor also is connected with 485 communication modules, and 485 communication modules also are connected with communication interface.
8 passage input interfaces are used to receive the switching value signal of industry spot input, and 8 passage output interfaces are transmitted to control signal the multiple controlled device of industry spot.The front-end protection filtering circuit prevents to produce and disturbs in the circuit or the non-switching value target signal filter that produces of surrounding environment.Buffer circuit can suppress the influence to circuit of superpotential such as electron device or excess current.Microprocessor is selected eight bit microprocessors for use, and it accepts treated industry spot switching value signal, simultaneously, the digital data of putting in order is exported to 8 passage output interfaces implement control with the multiple controlled device to industry spot.Simultaneously, microprocessor is further handled data, calculates, and adds the CRC error correcting code and carry out the error correction correction; By 485 communication modules image data is sent to host computer (PC computer) again, shows image data with vivid graphics mode in real time by host computer BGTIO software.
During use, provide the direct supply of 5V or 12V or 24V by the external power source interface to microprocessor, industry spot switching value signal is received 8 passage input interfaces, the switching value input voltage range is 524V.By the processing of microprocessor, again treated data are passed to 8 passage output interfaces the multiple controlled device of industry spot is implemented control the industry spot image data.Also 485 communication modules can be received on 485 networks by communication interface, send on 485 networks constantly gathering industry spot switching value signal, or from 485 networks, control signal is passed to microprocessor, pass to 8 passage output interfaces the more multiple controlled device of industry spot is implemented control.
The above only is preferred embodiment of the present utility model, is not that technical scope of the present utility model is imposed any restrictions.The technician of the industry, under the inspiration of the technical program, can make some distortion and revise, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model above any modification, equivalent variations and modification that embodiment did.
Claims (3)
1.16 road digital quantity data acquisition and control enclosure is characterized in that: comprise 8 road digital quantity data acquisition circuits, 8 road digital quantity data control circuits, microprocessor, 485 communication modules and communication interface; 8 road digital quantity data acquisition circuits comprise 8 passage input interfaces, front-end protection filtering circuit (A) and buffer circuit (A), wherein the output terminal of 8 passage input interfaces is connected with the input end of front-end protection filtering circuit (A), the output terminal of front-end protection filtering circuit (A) is connected with the input end of buffer circuit (A), and buffer circuit (A) is with the data input microprocessor; Buffer circuit (B) exported to treated control data again by microprocessor, and the output terminal of buffer circuit (B) is connected with the input end of front-end protection filtering circuit (B), and the output terminal of front-end protection filtering circuit (B) is connected with 8 passage output interfaces; Microprocessor also is connected with 485 communication modules, and 485 communication modules also are connected with communication interface.
2. 16 road digital quantity data acquisition and control enclosurees according to claim 1 is characterized in that: described microprocessor is eight bit microprocessors.
3. 16 road digital quantity data acquisition and control enclosurees according to claim 1 is characterized in that: described microprocessor also with the power supply adjusting module, reset/watchdog circuit and clock circuit be connected, the power supply adjusting module also links to each other with the external power source interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203079414U CN201497893U (en) | 2009-08-13 | 2009-08-13 | 16-Channel digital data acquisition/control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203079414U CN201497893U (en) | 2009-08-13 | 2009-08-13 | 16-Channel digital data acquisition/control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201497893U true CN201497893U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203079414U Expired - Fee Related CN201497893U (en) | 2009-08-13 | 2009-08-13 | 16-Channel digital data acquisition/control box |
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| Country | Link |
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| CN (1) | CN201497893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183720A (en) * | 2011-03-11 | 2011-09-14 | 浙江网新中控创新技术研究开发有限公司 | Safety digital quantity acquiring circuit and realizing method thereof |
-
2009
- 2009-08-13 CN CN2009203079414U patent/CN201497893U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183720A (en) * | 2011-03-11 | 2011-09-14 | 浙江网新中控创新技术研究开发有限公司 | Safety digital quantity acquiring circuit and realizing method thereof |
| CN102183720B (en) * | 2011-03-11 | 2013-06-12 | 浙江网新中控创新技术研究开发有限公司 | Safety digital quantity acquiring circuit and realizing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20140813 |
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| EXPY | Termination of patent right or utility model |