CN201527564U - 16-channel analog quantity data acquisition and control box - Google Patents
16-channel analog quantity data acquisition and control box Download PDFInfo
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- CN201527564U CN201527564U CN2009203080977U CN200920308097U CN201527564U CN 201527564 U CN201527564 U CN 201527564U CN 2009203080977 U CN2009203080977 U CN 2009203080977U CN 200920308097 U CN200920308097 U CN 200920308097U CN 201527564 U CN201527564 U CN 201527564U
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Abstract
The utility model discloses a 16-channel analog quantity data acquisition and control box, and relates to data acquisition and control, comprising an 8-channel analog quantity data acquisition circuit, an 8-channel analog quantity data control circuit, a microprocessor, a reference voltage source module, a 485 communication module and a communication interface, wherein the 8-channel analog quantity data acquisition circuit comprises an 8-channel input interface, a front end protecting filter circuit, a signal regulating module A, an over-voltage and over-current protecting circuit and an analog-to-digital conversion module; and the 8-channel analog quantity data control circuit comprises a digital-to-analog conversion module, a signal regulating module B, a protecting circuit and an 8-channel output interface. The 16-channel analog quantity data acquisition and control box can be used for acquiring and controlling 8-channel analog quantity signals coming from multiple controlled equipment of an industrial field, and has compact size and strong anti-interference capacity; the microprocessor is used for further processing the acquired data and is added with CRC error correcting codes for correcting error; the acquired data is transmitted into an upper computer by the 485 communication module; and the acquired data can be displayed in real time in a way of vivid figure by BGTIO software.
Description
Technical field
The utility model relates to data acquisition and control device, especially a kind of analog data collection and control device.
Background technology
Industry spot has a large amount of analog signals collection and control device., standard simple with the control wiring for the collection that makes analog signals generally adopt to gather with control module and carry out.But the analog acquisition of prior art and control module cost height do 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.
Market demand a kind of simple in structure, cost is low, the analog data collection 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 analog data collection and control enclosurees, its have simple in structure, cost is low, the characteristics of working stability and dependable performance.
For this reason, the utility model 16 road analog data collections and control enclosure adopt following technical scheme:
Structure the utility model 16 road analog data is gathered and control enclosure, comprises 8 road analog data Acquisition Circuit and 8 road analog data control circuits, also comprises microprocessor, reference voltage source module, 485 communication modules and communication interface; 8 road analog data Acquisition Circuit comprise 8 passage input interfaces, front-end protection filtering circuit, signal adjusting module A, over-voltage over-current protection circuit and analog-to-digital conversion module; 8 road analog data control circuits comprise D/A converter module, signal adjusting module B, holding circuit and 8 passage output interfaces; The output terminal of 8 passage input interfaces is connected with the input end of front-end protection filtering circuit, the output terminal of front-end protection filtering circuit is connected with the input end of signal adjusting module A, the output terminal of signal adjusting module A is connected with the input end of over-voltage over-current protection circuit, over-voltage over-current protection circuit is input to analog-to-digital conversion module with signal, analog-to-digital conversion module is input to microprocessor with signal, little processing is input to D/A converter module with data processed, the output terminal of D/A converter module is connected with the input end of signal adjusting module B, the output terminal of signal adjusting module B is connected with the input end of holding circuit, and holding circuit is input to 8 passage output interfaces to data; The output terminal of reference voltage source module is connected with analog-to-digital conversion module, D/A converter module respectively; Microprocessor also is connected with 485 communication modules, and 485 communication modules also are connected with communication interface.
Technique scheme is further set forth:
Described microprocessor is eight bit microprocessors.
Simultaneously, 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 analog datas of the present utility model are gathered and control enclosure; 8 road analog signalses from the multiple controlled device of industry spot can be imported from 8 passage input interfaces; after handling by front-end protection filtering circuit, signal adjusting module A, over-voltage over-current protection circuit and analog-to-digital conversion module successively; the data input microprocessor is handled, also can be with data storing to microprocessor.The reference voltage source module provides reference voltage for analog-to-digital conversion module and D/A converter module.Control data through microprocessor processes is input to D/A converter module, signal adjusting module B and holding circuit again successively; holding circuit is passed to control data 8 passage output interfaces again, and 8 passage output interfaces are transmitted to control data in the multiple controlled device of industry spot and go.
The utility model is compared with prior art, its beneficial effect is: one, can with from 8 road analog signalses of the multiple controlled device 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 Analog Data Acquistion Module and 8 analog data control modules are combined, make more convenient, the simplification of field wiring, and make structure become letter, cost descends.Two, this product output 0 ~ 10V normal voltage is controlled the plurality of devices of industry spot in real time, 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 image 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 analog 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 analog data is gathered and control enclosure, comprises 8 road analog data Acquisition Circuit and 8 road analog data control circuits, also comprises microprocessor, reference voltage source module, 485 communication modules and communication interface; 8 road analog data Acquisition Circuit comprise 8 passage input interfaces, front-end protection filtering circuit, signal adjusting module A, over-voltage over-current protection circuit and analog-to-digital conversion module; 8 road analog data control circuits comprise D/A converter module, signal adjusting module B, holding circuit and 8 passage output interfaces; The output terminal of 8 passage input interfaces is connected with the input end of front-end protection filtering circuit, the output terminal of front-end protection filtering circuit is connected with the input end of signal adjusting module A, the output terminal of signal adjusting module A is connected with the input end of over-voltage over-current protection circuit, over-voltage over-current protection circuit is input to analog-to-digital conversion module with signal, analog-to-digital conversion module is input to microprocessor with signal, little processing is input to D/A converter module with data processed, the output terminal of D/A converter module is connected with the input end of signal adjusting module B, the output terminal of signal adjusting module B is connected with the input end of holding circuit, and holding circuit is input to 8 passage output interfaces to data; The output terminal of reference voltage source module is connected with analog-to-digital conversion module, D/A converter module respectively; 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 analog signals of the input of industry spot.8 passage output interfaces are sent to the switching value signal in the industry spot and go.Front-end protection filtering circuit and holding circuit prevent to produce and disturb in the circuit or the non-switching value target signal filter that produces of surrounding environment.Signal adjusting module A and signal adjusting module B handle analog signals and comprise isolation.Over-voltage over-current protection circuit is handled issuable overcurrent in the circuit or overvoltage phenomenon, guarantees circuit safety.Analog-to-digital conversion module carries out being transferred to microprocessor after the analog to digital conversion to the signal of input.D/A converter module is carried out digital-to-analog conversion to the signal from microprocessor.Microprocessor is selected eight bit microprocessors for use, and it accepts treated industry spot switching value signal, and can store, and simultaneously, the data of the industry spot that collects is handled, and the controlled device of industry spot is implemented control.Can also be by 485 communication modules, communication interface to gathering and control data transmits etc. on the net.
During use, the direct supply of 5V or 12V or 24V is provided to microprocessor by the external power source interface, the industry spot analog data imported 8 passage input interfaces and data processed is input in the commercial unit and go by 8 passage output interfaces, the input voltage range of image data is 0-10V, and 485 communication modules are received on 485 networks by communication interface, the utility model just can will be gathered and control signal be passed through 485 Network Transmission.
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 the road analog data is gathered and control enclosure, it is characterized in that: comprise 8 road analog data Acquisition Circuit and 8 road analog data control circuits, also comprise microprocessor, reference voltage source module, 485 communication modules and communication interface; 8 road analog data Acquisition Circuit comprise 8 passage input interfaces, front-end protection filtering circuit, signal adjusting module (A), over-voltage over-current protection circuit and analog-to-digital conversion module; 8 road analog data control circuits comprise D/A converter module, signal adjusting module (B), holding circuit and 8 passage output interfaces; The output terminal of 8 passage input interfaces is connected with the input end of front-end protection filtering circuit, the output terminal of front-end protection filtering circuit is connected with the input end of signal adjusting module (A), the output terminal of signal adjusting module (A) is connected with the input end of over-voltage over-current protection circuit, over-voltage over-current protection circuit is input to analog-to-digital conversion module with signal, analog-to-digital conversion module is input to microprocessor with signal, little processing is input to D/A converter module with data processed, the output terminal of D/A converter module is connected with the input end of signal adjusting module (B), the output terminal of signal adjusting module (B) is connected with the input end of holding circuit, and holding circuit is input to 8 passage output interfaces to data; The output terminal of reference voltage source module is connected with analog-to-digital conversion module, D/A converter module respectively; Microprocessor also is connected with 485 communication modules, and 485 communication modules also are connected with communication interface.
2. 16 road analog datas according to claim 1 are gathered and control enclosure, and it is characterized in that: described microprocessor is eight bit microprocessors.
3. 16 road analog datas according to claim 1 are gathered and control enclosure, it is characterized in that: microprocessor also with the power supply adjusting module, reset/watchdog circuit, and the 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 |
|---|---|---|---|
| CN2009203080977U CN201527564U (en) | 2009-08-15 | 2009-08-15 | 16-channel analog quantity data acquisition and control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203080977U CN201527564U (en) | 2009-08-15 | 2009-08-15 | 16-channel analog quantity data acquisition and control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527564U true CN201527564U (en) | 2010-07-14 |
Family
ID=42518849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203080977U Expired - Fee Related CN201527564U (en) | 2009-08-15 | 2009-08-15 | 16-channel analog quantity data acquisition and control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201527564U (en) |
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2009
- 2009-08-15 CN CN2009203080977U patent/CN201527564U/en not_active Expired - Fee Related
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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: 20100714 Termination date: 20140815 |
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| EXPY | Termination of patent right or utility model |