CN202014235U - General interface for intelligent sensor and intelligent sensor provided with same - Google Patents
General interface for intelligent sensor and intelligent sensor provided with same Download PDFInfo
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- CN202014235U CN202014235U CN2011200846214U CN201120084621U CN202014235U CN 202014235 U CN202014235 U CN 202014235U CN 2011200846214 U CN2011200846214 U CN 2011200846214U CN 201120084621 U CN201120084621 U CN 201120084621U CN 202014235 U CN202014235 U CN 202014235U
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Abstract
The utility model provides a general interface for an intelligent sensor, which comprises a power line, a ground line and a serial communication line, wherein, the power line is used for accessing input voltages in a preset range and outputting steady working voltages through an internal power module connected with the power line; and the general interface further comprises an internal power output line, a reset testing line and a programming testing line. The utility model further provides the intelligent sensor integrated with the general interface to form a whole, which comprises a sensitive element, an analog signal conditioning plate, a chip containing software, and a controlled power module, wherein, the power line of the general interface is also connected with the controlled power module while being connected with the internal power module. The general interface and the intelligent sensor provided with the general interface, which are provided by the utility model, have the advantages that the sensitive element, the analog signal conditioning plate, the chip containing software (a microprocessor) and the general interface are integrated to form a whole, the accuracy, the stability and the reliability of the sensor are greatly improved, and the interchangeability and the compatibility are strong.
Description
Technical field
The utility model belongs to the intellectualized sensor technical field, and the intellectualized sensor of particularly a kind of intellectualized sensor general-purpose interface and band general-purpose interface is applicable to intellectualized sensor, network and general Internet of Things sensory perceptual system.
Background technology
After 2000, along with having had the maturation of significant progress and microelectric technique at aspects such as reliability and ultra-small volumeizations, microprocessor makes that the embedding intelligent control unit becomes a reality in traditional sensors, provide the foundation also for the microminiaturization of transducer.At present traditional sensor technology development mainly concentrates on aspects such as solving accuracy, stability and reliability, the R﹠D work of being carried out is mainly the new sensitive material of exploitation, improve production technology, linearity, temperature, stabiloity compensation circuit etc., producing effects of these work is little, promptly allow to the requirement that reaches higher, the pressure of its cost is very big.Along with the Modern Automation System development, higher in addition to the requirements such as precision, level of intelligence, long-range maintainability, accuracy, stability, reliability and interchangeability of transducer.In view of above factor, expedited the emergence of the appearance of intelligence sensor.Intelligence sensor is not only the simple method that changes processing and manufacturing, and the design to traditional control system based on sensor measurement has simultaneously also brought deep effect.Adopt the Measurement and Control System of Design of Smart Sensor will become easily simple, reliable more, cost is lower, and compatibility and autgmentability are better.With traditional transducer output simulation primary signal and signal is different by the mode that converter transmits, intelligence sensor portion is within it finished processed to initial data, and interface and external device realization exchanges data by standard.Intellectualized sensor is to be connected with external equipment by interface, and the normalized interface of a standard is most important for the application of intellectualized sensor.
The utility model content
The defective that the utility model exists at prior art, a kind of intelligence sensor general-purpose interface is provided, described general-purpose interface is a modular unit with standard digital interface from user's use angle, and the user can design product or the application system of oneself according to OO method; The utility model also provides a kind of intellectualized sensor with general-purpose interface, has adopted the general-purpose interface of described standard, has very strong interchangeability and compatibility.
The technical solution of the utility model is:
A kind of intellectualized sensor general-purpose interface, it is characterized in that, described general-purpose interface comprises power line, ground wire and serial communication line, the input voltage that described power line is used to insert in the setting range is also exported stable operating voltage by connected internal electric source module, and described serial communication line connects the signal sending circuit that carries out the signal receiving circuit of transfer of data and/or carry out transfer of data.
Described serial communication line comprises that two pins lead-in wires, one are that signal receives line, and it two is signal transmission line; Described signal receives line and connects the diode resistance equivalent electric circuit, and described signal sends line and connects triode equivalent resistance circuit.
Described general-purpose interface comprises the internal electric source output line, and described internal electric source output line connects the output of internal electric source module, supports hot plug and/or cascade power supply.
Described general-purpose interface comprises programming/p-wire, the input/output line of described programming/p-wire for programming and test towards interface.
Described programming/p-wire comprises two pins lead-in wires, and one is the reset test line, and it two is the programming and testing line; Described reset test line connects the reset test circuit, and described programming and testing line connects the programming and testing circuit.
Described internal electric source module is low pressure difference linearity power module of voltage regulation LDO.
A kind of intellectualized sensor with general-purpose interface, it is characterized in that, comprise senser, analog signal conditioner plate, the chip that contains software and controlled source module, the power line of described general-purpose interface also connects the controlled source module when connecting the internal electric source module, the output of internal electric source module connects the chip that contains software, for containing the chip power supply of software, the output connection mode analog signal conditioning plate of controlled source module is the power supply of analog signal conditioner plate; Controlled source also is connected with the chip that contains software simultaneously, is controlled by the chip that contains software; Described senser connects the chip that contains software by the analog signal conditioner plate; The reset test line of described general-purpose interface is connected with the chip that contains software by the reset test circuit, the programming and testing line of described general-purpose interface is connected with the chip that contains software by the programming and testing circuit, and the serial communication line of described general-purpose interface is connected with the chip that contains software by signal receiving circuit and/or signal sending circuit.
The described chip that contains software is meant the MCU that contains code or contains the DSP of code or contain the SOC of code or contain the ASIC of code.
The equivalent electric circuit of described reset test circuit comprises a ground capacity C1, and the other end of described electric capacity is connected with the reset test line, and this end also links to each other with the output of internal electric source module by resistance R 1 simultaneously.
The equivalent electric circuit of described programming and testing circuit is semiduplex two-way input/output circuit, the triode Q1 that comprises a grounded emitter, the base stage of triode connects the chip that contains software, the current collection of triode is the output of programming and testing line very, and the collector electrode of triode links to each other with the output of internal electric source module by resistance R 2 simultaneously; Also comprise a comparator, the output of described comparator is connected with the chip that contains software, and the reverse inter-input-ing ending grounding of comparator, the in-phase input end of comparator are the input of programming and testing line.
Described signal receiving circuit is the diode resistance equivalent electric circuit, comprise diode D1, D2 and resistance R 1, the plus earth of diode D2, connect signal behind the negative pole series resistor R3 of diode D2 and receive line, also be connected simultaneously with the chip that contains software, and be connected with the positive pole of diode D1, the negative pole of diode D1 connects the output of internal electric source module.
Described signal sending circuit is a triode equivalent resistance circuit, the triode Q2 that comprises 1 grounded emitter, the collector electrode of triode Q2 connects signal and sends line, the collector electrode of triode Q2 links to each other with the output of internal electric source module by resistance R 4 simultaneously, and the base stage of triode Q2 is connected with the chip that contains software.
Technique effect of the present utility model is,
The intellectualized sensor general-purpose interface that the utility model provides is a modular unit with standard digital interface from user's use angle, the user can design product or the application system of oneself according to OO method, because the data-interface of its standard satisfies the IEEE1451 agreement, makes any this protocol with hardware equipment that meets all can be connected and exchange with it.
General-purpose interface of the present utility model has power line, and described power line is supported the input of wide-voltage range by the stable operating voltage of internal electric source module output, makes interface insensitive to supply voltage, has improved the stability of interface; General-purpose interface of the present utility model has the internal electric source output line, has solved the problem that sensing system and client's application system power on simultaneously, supports hot plug and cascade power supply simultaneously; General-purpose interface of the present utility model has programming/p-wire, have towards the function of interface programming and test, has solved the problem that the existing sensors system can't programme and test from interface.
The intellectualized sensor of the band general-purpose interface that the utility model provides becomes one senser, analog signal conditioner plate, the chip (microprocessor), the general-purpose interface that contain software, has improved accuracy, stability and the reliability of transducer greatly; Owing to adopted the general-purpose interface of standard, had very strong interchangeability and compatibility.
Description of drawings
Fig. 1 is the intelligence sensor embodiment schematic diagram of intelligence sensor general-purpose interface of the present utility model and band general-purpose interface.
Fig. 2 is intellectualized sensor general-purpose interface and user's control circuit or parts connected mode embodiment one schematic diagram.
Fig. 3 is intellectualized sensor general-purpose interface and user's control circuit or parts connected mode embodiment two schematic diagrames.
Fig. 4 is intellectualized sensor general-purpose interface and user's control circuit or parts connected mode embodiment three schematic diagrames.
Fig. 5 is intellectualized sensor general-purpose interface and user's control circuit or parts connected mode embodiment four schematic diagrames.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1, for intelligence sensor general-purpose interface of the present utility model and the band general-purpose interface intelligence sensor embodiment schematic diagram.
In the present embodiment, the intellectualized sensor general-purpose interface comprises power line 1, ground wire 5 and serial communication line 6 and 7,6 for signal receives line, and 7 for signal sends line, also comprises internal electric source output line 4 and reset test line 2 and programming and testing line 3; The input voltage that power line 1 is used to insert in the setting range is also exported stable operating voltage by connected internal electric source module, and its input voltage is 3.3-6.5V, is 3.3V by the stable operating voltage of internal electric source module output; Internal electric source output line 4 connects the output 3.3V of internal electric source module, supports hot plug and/or cascade power supply.In the present embodiment, described internal electric source module is low pressure difference linearity power module of voltage regulation LDO.Signal receives line 6 and connects signal receiving circuit, and signal sends line 7 and connects signal sending circuit, and in the present embodiment, signal receiving circuit is the diode resistance equivalent electric circuit, and signal sending circuit is a triode equivalent resistance circuit; Programming and testing line and reset test line input/output line for programming and test towards interface, the reset test line connects the reset test circuit, and the programming and testing line connects the programming and testing circuit.
The intellectualized sensor that becomes one with above-mentioned general-purpose interface, comprise senser, analog signal conditioner plate, the chip that contains software and controlled source module, the power line 1 of general-purpose interface also connects the controlled source module when connecting the internal electric source module, the output of internal electric source module connects the chip that contains software, for containing the chip power supply of software, the output connection mode analog signal conditioning plate of controlled source module is the power supply of analog signal conditioner plate; Controlled source also is connected with the chip that contains software simultaneously, is controlled by the chip that contains software; Senser connects the chip that contains software by the analog signal conditioner plate, the reset test line 2 of general-purpose interface is connected with the chip that contains software by the reset test circuit, the programming and testing line 3 of general-purpose interface is connected with the chip that contains software by the programming and testing circuit, and the signal of general-purpose interface receives line 6 and is connected with the chip that contains software by signal receiving circuit; The signal of general-purpose interface sends line 7 and is connected with the chip that contains software by signal sending circuit.The described chip that contains software is meant the MCU that contains code or contains the DSP of code or contain the SOC of code or contain the ASIC of code; The equivalent electric circuit of described reset test circuit comprises a ground capacity C1, and the other end of capacitor C 1 is connected with reset test line 2, and this end also links to each other with the output 3.3V of internal electric source module by resistance R 1 simultaneously; The equivalent electric circuit of described programming and testing circuit is semiduplex two-way input/output circuit, the triode Q1 that comprises a grounded emitter, the base stage of triode connects the chip that contains software, the current collection of triode is the output of programming and testing line 3 very, and the collector electrode of triode links to each other with the output of internal electric source module by resistance R 2 simultaneously; Also comprise a comparator, the output of described comparator is connected with the chip that contains software, and the reverse inter-input-ing ending grounding of comparator, the in-phase input end of comparator are the input of programming and testing line 3; Described signal receiving circuit is the diode resistance equivalent electric circuit, comprise diode D1, D2 and resistance R 1, the plus earth of diode D2, connect signal behind the negative pole series resistor R3 of diode D2 and receive line, also be connected simultaneously with the chip that contains software, and be connected with the positive pole of diode D1, the negative pole of diode D1 connects the output of internal electric source module; Described signal sending circuit is a triode equivalent resistance circuit, the triode Q2 that comprises 1 grounded emitter, the collector electrode of triode Q2 connects signal and sends line, the collector electrode of triode Q2 links to each other with the output of internal electric source module by resistance R 4 simultaneously, and the base stage of triode Q2 is connected with the chip that contains software.
Fig. 2 to Fig. 5 is the typical connected mode of intellectualized sensor general-purpose interface of the present utility model.
As shown in Figure 2,7 pins of interface lead-in wire all uses, and the power supply that is provided by transducer is the custom system power supply.With user's the control circuit or the connected mode of parts be, internal electric source output line 4 is used with user client and is connected, (for example can be PC), for custom system provides power supply, power line 1 connects the external power supply positive pole, ground wire 5 connects the external power supply negative pole, and p-wire 2, line program 3, signal receive line 6 and all be connected with client application with signal transmission line 7.
As shown in Figure 3,7 pins of interface lead-in wire all uses, and transducer to the custom system power supply, do not power separately by custom system.With user's the control circuit or the connected mode of parts be, internal electric source output line 4 is used with user client and is connected, support the hot plug of sensing system, power line 1 connects the external power supply positive pole, ground wire 5 connects the external power supply negative pole, and p-wire 2, line program 3, signal receive line 6 and all be connected with client application with signal transmission line 7.
As shown in Figure 4,7 pins of interface lead-in wire uses 5 lines, and the power supply that is provided by transducer is the custom system power supply.With user's the control circuit or the connected mode of parts be, internal electric source output line 4 is used with user client and is connected, for custom system provides power supply, power line 1 connects the external power supply positive pole, ground wire 5 connects the external power supply negative pole, signal receives line 6 and is connected p-wire 2 and 3 free time of line program with client application with signal transmission line 7.
As shown in Figure 5,7 pins of interface lead-in wire uses 5 pins, and transducer is not powered to custom system.With user's the control circuit or the connected mode of parts be, internal electric source output line 4 is used with user client and is connected, power line 1 connects the external power supply positive pole, ground wire 5 connects the external power supply negative pole, signal receives line 6 and is connected p-wire 2 and 3 free time of line program with client application with signal transmission line 7.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the utility model, but limit the utility model never in any form.Therefore, although this specification and embodiment have been described in detail to the utility model,, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all is encompassed in the middle of the protection range of the utility model patent.
Claims (10)
1. intellectualized sensor general-purpose interface, it is characterized in that, described general-purpose interface comprises power line, ground wire and serial communication line, the input voltage that described power line is used to insert in the setting range is also exported stable operating voltage by connected internal electric source module, and described serial communication line connects the signal sending circuit that carries out the signal receiving circuit of transfer of data and/or carry out transfer of data.
2. intellectualized sensor general-purpose interface according to claim 1 is characterized in that, described serial communication line comprises that two pins lead-in wires, one are that signal receives line, and it two is signal transmission line; Described signal receives line and connects the diode resistance equivalent electric circuit, and described signal sends line and connects triode equivalent resistance circuit.
3. intellectualized sensor general-purpose interface according to claim 2 is characterized in that described general-purpose interface comprises the internal electric source output line, and described internal electric source output line connects the output of internal electric source module, supports hot plug and/or cascade power supply.
4. intellectualized sensor general-purpose interface according to claim 3 is characterized in that described general-purpose interface comprises programming/p-wire, the input/output line of described programming/p-wire for programming and test towards interface.
5. intellectualized sensor general-purpose interface according to claim 4 is characterized in that, described programming/p-wire comprises two pins lead-in wires, and one is the reset test line, and it two is the programming and testing line; Described reset test line connects the reset test circuit, and described programming and testing line connects the programming and testing circuit.
6. according to the described intellectualized sensor general-purpose interface of one of claim 1 to 5, it is characterized in that described internal electric source module is low pressure difference linearity power module of voltage regulation LDO.
7. intellectualized sensor with general-purpose interface, it is characterized in that, comprise senser, analog signal conditioner plate, the chip that contains software and controlled source module, the power line of described general-purpose interface also connects the controlled source module when connecting the internal electric source module, the output of internal electric source module connects the chip that contains software, for containing the chip power supply of software, the output connection mode analog signal conditioning plate of controlled source module is the power supply of analog signal conditioner plate; Controlled source also is connected with the chip that contains software simultaneously, is controlled by the chip that contains software; Described senser connects the chip that contains software by the analog signal conditioner plate; The reset test line of described general-purpose interface is connected with the chip that contains software by the reset test circuit, the programming and testing line of described general-purpose interface is connected with the chip that contains software by the programming and testing circuit, and the serial communication line of described general-purpose interface is connected with the chip that contains software by signal receiving circuit and/or signal sending circuit.
8. intellectualized sensor according to claim 7 is characterized in that, the described chip that contains software is meant the MCU that contains code or contains the DSP of code or contain the SOC of code or contain the ASIC of code.
9. intellectualized sensor according to claim 8, it is characterized in that, the equivalent electric circuit of described reset test circuit comprises a ground capacity C1, and the other end of described electric capacity is connected with p-wire, and this end also links to each other with the output of internal electric source module by resistance R 1 simultaneously; The equivalent electric circuit of described programming and testing circuit is semiduplex two-way input/output circuit, the triode Q1 that comprises a grounded emitter, the base stage of triode connects the chip that contains software, the current collection of triode is the output of line program very, and the collector electrode of triode links to each other with the output of internal electric source module by resistance R 2 simultaneously; Also comprise a comparator, the output of described comparator is connected with the chip that contains software, and the reverse inter-input-ing ending grounding of comparator, the in-phase input end of comparator are the input of line program.
10. intellectualized sensor according to claim 8, it is characterized in that, described signal receiving circuit is the diode resistance equivalent electric circuit, comprise diode D1, D2 and resistance R 1, the plus earth of diode D2 connects signal and receives line behind the negative pole series resistor R3 of diode D2, also be connected with the chip that contains software simultaneously, and be connected with the positive pole of diode D1, the negative pole of diode D1 connects the output of internal electric source module; Described signal sending circuit is a triode equivalent resistance circuit, the triode Q2 that comprises 1 grounded emitter, the collector electrode of triode Q2 connects signal and sends line, the collector electrode of triode Q2 links to each other with the output of internal electric source module by resistance R 4 simultaneously, and the base stage of triode Q2 is connected with the chip that contains software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200846214U CN202014235U (en) | 2011-03-28 | 2011-03-28 | General interface for intelligent sensor and intelligent sensor provided with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200846214U CN202014235U (en) | 2011-03-28 | 2011-03-28 | General interface for intelligent sensor and intelligent sensor provided with same |
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| CN202014235U true CN202014235U (en) | 2011-10-19 |
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| CN2011200846214U Expired - Fee Related CN202014235U (en) | 2011-03-28 | 2011-03-28 | General interface for intelligent sensor and intelligent sensor provided with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281052A (en) * | 2011-03-28 | 2011-12-14 | 北京德华佳业科技有限公司 | General interface of intelligent sensor and intelligent sensor equipped therewith |
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- 2011-03-28 CN CN2011200846214U patent/CN202014235U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281052A (en) * | 2011-03-28 | 2011-12-14 | 北京德华佳业科技有限公司 | General interface of intelligent sensor and intelligent sensor equipped therewith |
| CN102281052B (en) * | 2011-03-28 | 2013-02-27 | 北京德华佳业科技有限公司 | General interface of intelligent sensor and intelligent sensor equipped therewith |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20190328 |