CN204965086U - Be applied to thing networking monitored control system's general extension module - Google Patents
Be applied to thing networking monitored control system's general extension module Download PDFInfo
- Publication number
- CN204965086U CN204965086U CN201520627452.2U CN201520627452U CN204965086U CN 204965086 U CN204965086 U CN 204965086U CN 201520627452 U CN201520627452 U CN 201520627452U CN 204965086 U CN204965086 U CN 204965086U
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- resistor
- input
- port
- voltage
- chip microcomputer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model provides a be applied to thing networking monitored control system's general extension module, including first resistor, second resistor, third resistor, fourth resistor and a switch element, first resistor one end is connected with the input, the other end and the input port PA0 of singlechip connects, and second resistor one end is connected between first resistor and the input port PA0, the first control port PA1 of the other end of second resistor and singlechip is connected, and switch element's one end is passed through the third resistor and is connected with the input, its other end ground connection, and switch element pass through the fourth resistor with the second control port PA2 of singlechip connects, controls through exerting voltage at second control port PA2 switch element switches on and ends. Through the utility model discloses, make the electric current, the voltage equisignal all can be at same port input to in another the port output that corresponds, thereby avoided repeated design, realized product standardization, made the product have superior extended capability.
Description
Technical field
The utility model relates to circuit control device technical field, particularly a kind of universal expansion module being applied to network monitoring system for things.
Background technology
The electric signal of the Automated condtrol access point of the industries such as current laboratory, hospital, pharmaceutical factory has certain codes and standards, signal kinds is also few, such as conventional simulating signal 0-10V input, 0-10V exports, and 0-20Ma inputs, and 0-20Ma exports, switching signal inputs, passive switch exports, and RS485 communicates, Ethernet interface etc.Although signal kinds is also few, but the phenomenon that the number of signals of different user's uses is different often can be there is in the control of equipment, cause when deisgn product, need often to do to increase or reduce to the electric signal interface of product, be difficult to form standardization, serious waste human resources and making troubles, based on above-mentioned problem for expansion in the future, be necessary that design is a and can automatically change various input signal, and the universal expansion module of output corresponding signal.
Utility model content
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of general, can the universal expansion module of the various signal of input and output.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
Be applied to a universal expansion module for network monitoring system for things, comprise:
Current/voltage input detecting circuit, for detecting the electric current inputted and/or voltage signal, and exports corresponding voltage signal;
Single-chip microcomputer, for controlling described current/voltage input detecting circuit, and the voltage signal of the voltage signal received from described current/voltage input detecting circuit and transmission correspondence;
Amplifying circuit, for amplifying the signal from described single-chip microcomputer,
Described current/voltage input detecting circuit comprises the first resistor, the second resistor, the 3rd resistor, the 4th resistor and an on-off element; Described first resistor one end is connected with input end, the other end is connected with the input port PA0 of described single-chip microcomputer, described second resistor one end is connected between described first resistor and input port PA0, the other end is connected with the first control port PA1 of described single-chip microcomputer, one end of described on-off element is connected with input end by described 3rd resistor, the other end is connected with the second control port PA2 of described single-chip microcomputer by described 4th resistor, by applying at the second control port PA2 conducting and the cut-off that voltage controls described on-off element.
Further, described on-off element is triode, and the collector of described triode is connected with input end by the 3rd resistor, the grounded emitter of described triode, and its base stage is connected with the second control port PA2 of described single-chip microcomputer by the 4th resistor.
Further, described amplifying circuit comprises operational amplifier and the 5th resistor, and an in-phase input end of described operational amplifier is connected with the output port PC0 of described single-chip microcomputer, and an inverting input of described operational amplifier is by the 5th resistance-grounded system.
Further; obtain better anti-jamming effectiveness to make amplifying circuit and operational amplifier is protected; three RC loops are also provided with in amplifying circuit; an in-phase input end of described operational amplifier is connected on the output port PC0 of single-chip microcomputer by first, second RC loop of serial connection, and one of described operational amplifier is serially connected with the 3rd RC loop between inverting input and the output terminal of operational amplifier.
Further; there is high frequency interference to prevent voltage and single-chip microcomputer input voltage is protected; filter capacitor and voltage stabilizing diode is also provided with in current/voltage input detecting circuit; described filter capacitor one end is connected on the node between the first resistor and input port PA0; other end ground connection; the negative electrode of described voltage stabilizing diode is connected on the node between the first resistor and input port PA0, other end ground connection.
Compared with prior art, the utility model can make the signal such as electric current, voltage all in same port input, and exports in the another port of correspondence, makes product have superior extended capability, avoids design iterations, realize the standardization of products.
Accompanying drawing explanation
Fig. 1 is the utility model way circuit figure.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and the specific embodiments:
See Fig. 1, the utility model provides a kind of universal expansion module being applied to network monitoring system for things, comprising: current/voltage input detecting circuit 1, single-chip microcomputer 2 and amplifying circuit 3.
Current/voltage input detecting circuit 1, for detecting the electric current inputted and/or voltage signal, and exporting corresponding curtage signal, it is made up of as the triode of on-off element the first resistor R1, the second resistor R2, the 3rd resistor R3, the 4th resistor R4 and.
First resistor R1 and the second resistor R2, first resistor R1 one end is connected with input end, the other end is connected with the input port PA0 of described single-chip microcomputer, described second resistor R2 one end is connected between described first resistor R1 and input port PA0, the other end of the second resistor R2 is connected with the first control port PA1 of single-chip microcomputer, the collector of triode is connected with input end by the 3rd resistor R3, the grounded emitter of triode, its base stage is connected with the second control port PA2 of described single-chip microcomputer by the 4th resistor R4.When input signal is voltage signal, Single-chip Controlling PA1 and PA2 is zero potential, and the triode now as on-off element ends, and input voltage sends into the input port PA0 of single-chip microcomputer after the second resistor R2 and the 3rd resistor R3 dividing potential drop.When input signal is current signal, single-chip microcomputer applies voltage to PA2, makes triode ON, and electric current is by flowing into the earth after R3, and the voltage of input port PA0 is now the resistance that input current is multiplied by R3.
As the preferred scheme of one; there is high frequency interference to prevent voltage and single-chip microcomputer input voltage is protected; in current/voltage input detecting circuit, be also provided with filter capacitor C1 and voltage stabilizing diode D1 form filter regulator circuit 4; described filter capacitor C1 one end is connected on the node between the first resistor R1 and input port PA0; other end ground connection; the negative electrode of described voltage stabilizing diode D1 is connected on the node between the first resistor R1 and input port PA0, other end ground connection.
Amplifying circuit 3 comprises operational amplifier and the 5th resistor, and an in-phase input end of described operational amplifier is connected with the output port PC0 of described single-chip microcomputer, and an inverting input of described operational amplifier is by the 5th resistance-grounded system.Filtering can also be carried out to the electric signal of input on this basis at in-phase input end, as being connected in series two low pass RC filtering circuits 31,32, specifically described in-phase input end is connected with the output port PC0 of computer chip with the 7th resistor R7 by serial connection the 6th resistor R6, node between described 6th resistor R6 and the 7th resistor R7 is by the second capacitor C2 ground connection, and the node between described 7th resistor R7 and the output port PC0 of computer chip is by the 3rd capacitor C3 ground connection.After the RC filtering of two-stage, obtain stable voltage signal, then be conveyed into the in-phase input end of operational amplifier.Also a low pass RC filtering circuit 33 is serially connected with in addition, specifically the 8th resistor R8 and the 4th electric capacity C4 being serially connected between inverting input and the output terminal of operational amplifier after connecing between the inverting input and the output terminal of operational amplifier of operational amplifier.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned embodiment and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (5)
1. be applied to a universal expansion module for network monitoring system for things, it is characterized in that, described expansion module comprises:
Current/voltage input detecting circuit, for detecting the electric current inputted and/or voltage signal, and exports corresponding voltage signal;
Single-chip microcomputer, for controlling described current/voltage input detecting circuit, and the voltage signal of the voltage signal received from described current/voltage input detecting circuit and transmission correspondence;
Amplifying circuit, for amplifying the signal from described single-chip microcomputer;
Described current/voltage input detecting circuit comprises the first resistor, the second resistor, the 3rd resistor, the 4th resistor and an on-off element; Described first resistor one end is connected with input end, the other end is connected with the input port PA0 of described single-chip microcomputer, described second resistor one end is connected between described first resistor and input port PA0, the other end is connected with the first control port PA1 of described single-chip microcomputer, one end of described on-off element is connected with input end by described 3rd resistor, the other end is connected with the second control port PA2 of described single-chip microcomputer by described 4th resistor, by applying at the second control port PA2 conducting and the cut-off that voltage controls described on-off element.
2. a kind of universal expansion module being applied to network monitoring system for things according to claim 1, it is characterized in that: described on-off element is triode, the collector of described triode is connected with input end by the 3rd resistor, the grounded emitter of described triode, its base stage is connected with the second control port PA2 of described single-chip microcomputer by the 4th resistor.
3. a kind of universal expansion module being applied to network monitoring system for things according to claim 1, it is characterized in that: described amplifying circuit comprises operational amplifier and the 5th resistor, an in-phase input end of described operational amplifier is connected with the output port PC0 of described single-chip microcomputer, and an inverting input of described operational amplifier is by the 5th resistance-grounded system.
4. a kind of universal expansion module being applied to network monitoring system for things according to claim 3, it is characterized in that: also comprise three RC loops, an in-phase input end of described operational amplifier is connected on the output port PC0 of single-chip microcomputer by first, second RC loop of serial connection, and one of described operational amplifier is serially connected with the 3rd RC loop between inverting input and the output terminal of operational amplifier.
5. a kind of universal expansion module being applied to network monitoring system for things according to claim 1, it is characterized in that: also comprise filter capacitor and voltage stabilizing diode, described filter capacitor one end is connected on the node between the first resistor and input port PA0, other end ground connection, the negative electrode of described voltage stabilizing diode is connected on the node between the first resistor and input port PA0, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627452.2U CN204965086U (en) | 2015-08-18 | 2015-08-18 | Be applied to thing networking monitored control system's general extension module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627452.2U CN204965086U (en) | 2015-08-18 | 2015-08-18 | Be applied to thing networking monitored control system's general extension module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204965086U true CN204965086U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520627452.2U Withdrawn - After Issue CN204965086U (en) | 2015-08-18 | 2015-08-18 | Be applied to thing networking monitored control system's general extension module |
Country Status (1)
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| CN (1) | CN204965086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137871A (en) * | 2015-08-18 | 2015-12-09 | 广州能迪能源科技股份有限公司 | General expansion module for Internet of Things monitoring system |
-
2015
- 2015-08-18 CN CN201520627452.2U patent/CN204965086U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137871A (en) * | 2015-08-18 | 2015-12-09 | 广州能迪能源科技股份有限公司 | General expansion module for Internet of Things monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160113 Effective date of abandoning: 20181019 |