CN202003226U - Electrical measurement and control system with signal conditioning function - Google Patents
Electrical measurement and control system with signal conditioning function Download PDFInfo
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- CN202003226U CN202003226U CN2011200096839U CN201120009683U CN202003226U CN 202003226 U CN202003226 U CN 202003226U CN 2011200096839 U CN2011200096839 U CN 2011200096839U CN 201120009683 U CN201120009683 U CN 201120009683U CN 202003226 U CN202003226 U CN 202003226U
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Abstract
The present utility model provides an electrical measurement and control system with a signal conditioning function. The system is arranged as a bridge between a test measurement system upper computer and equipments under measurement and control. The system comprises a box body which is provided with a bus, and the bus comprises a data bus; function cards arranged inside the box body in a plugging way, and the function cards are connected with the bus to carry out a data exchange. The function cards comprise a power supply card for providing working voltage for other function cards; a master control card for receiving orders from the upper computer to read signals of other function cards or control output signals of other function cards; a signal conditioning card for connecting with outside signal measurement equipment and conditioning signals on the data bus to output signals suitable for the signal measurement equipment to collect. The electrical measurement and control system can connect different function cards with the corresponding equipments under measurement and control, avoiding the mess of external connecting wires and having a high integrated level. When a new measurement and control function needs to be added, adding a corresponding function card is ok, and the system can output signals suitable for the signal measurement equipment to collect.
Description
Technical field
The utility model relates to a kind of TT﹠C system, relates in particular to a kind of electrical control system with signal condition function.
Background technology
The electric measurement system is widely used in fields such as Aeronautics and Astronautics, automobile, boats and ships, electronic equipment, oil, and traditional electric measurement system when testing requirement changes, also will change original design at concrete testing requirement design metering circuit; And along with the fast development of industrial technology, the parameter that needs to measure gets more and more, and the circuit design and the mode of connection all become and become increasingly complex with loaded down with trivial details.This shows that the traditional design mode of this electric measurement system can not satisfy the demand of industrial test fields of measurement well, have that integrated level is not high, many defectives such as poor compatibility, electrical wiring trouble and later maintenance difficulty.And, when signal measurement devices such as oscillograph, multimeter are connected to TT﹠C system and carry out signal measurement, overflow often occurs or cross weak and exceed the situation of signal measurement device acquisition range, cause the inconvenience of signal measurement.
The utility model content
In view of the above-mentioned problems in the prior art, fundamental purpose of the present utility model is to address the deficiencies of the prior art, and a kind of integrated level height, compatible strong, the electrical control system that is electrically connected conveniently, is easy to later maintenance and has the signal condition function are provided.
For achieving the above object, the utility model provides a kind of electrical control system with signal condition function, is connected between host computer and the equipment to be detected, comprising:
Casing is laid with bus on the casing backboard, and bus comprises data bus; And
A plurality of function cards that are installed in the casing, each function card are connected with bus to realize the exchanges data between each function card with plugging, and a plurality of function cards comprise:
Power card is for other function card except that power card in a plurality of function cards provides operating voltage;
Main control card, the instruction that receives host computer is with signal that reads other function card except that main control card and power card or the output signal of controlling other function card except that main control card and power card;
The signal condition card connects outside signal measurement device, and the signal condition card carries out conditioning operation to export the signal that is fit to the signal measurement device collection from the data bus received signal and to the signal that receives.
According to technical conceive of the present utility model, a plurality of function cards also comprise the security control card, and the security control clamping is received the safety signal of electrical control system with signal condition function or equipment to be detected and the signal that receives is sent to main control card and analyzes safe condition and electrical control system or the device start security control to be detected action to having the signal condition function under the control of main control card that has the electrical control system or the equipment to be detected of signal condition function with test.
According to technical conceive of the present utility model, safety signal comprises safety door signal, safe grating signal, scram button signal.
According to technical conceive of the present utility model, the security control card is provided with watchdog circuit, the instruction of the running software situation of the host computer of watchdog circuit reception main control card feedback is monitored with the software operation state to host computer, and starts the security control action when running software is unusual.
According to technical conceive of the present utility model, the casing backboard is provided with a plurality of interfaces that are connected to bus, and each function card links to each other by corresponding Interface ﹠ Bus.
According to technical conceive of the present utility model, bottom half or top are provided with a plurality of draw-in grooves that are used to locate each function card.
According to technical conceive of the present utility model, a plurality of function cards also comprise from the digital input card of outside receiving digital signals with to the digital output card of outside output digital signal.
According to technical conceive of the present utility model, a plurality of function cards also comprise the matrix switch switch card, are provided with switch matrix circuit in the matrix switch switch card, and the signal that switch matrix circuit will need to gather under the control of main control card switches to data bus and reads.
According to technical conceive of the present utility model, a plurality of function cards also comprise the data acquisition access card, are used for the external data capture card, and the data acquisition access card receives the signal on the data bus and is sent to data collecting card.
According to technical conceive of the present utility model, each function card has identification code.
The electrical control system that the utlity model has the signal condition function can be connected to different function cards corresponding signal to be detected or signal to be controlled easily, avoided the loaded down with trivial details and redundant of external cabling, the integrated level height, be electrically connected convenient and be easy to later maintenance.When needs increase new observing and controlling function, only need to increase the function corresponding integrated circuit board, compatible strong; Can avoid simultaneously because problems such as the improper travelling speed that reduces measuring system of the laying of the integrated circuit on the integrated circuit board, stability.The electrical control system that the utlity model has the signal condition function has avoided signal measurement device can't collect the defective of signal by the signal on the signal condition card conditioning data bus.
Foregoing is general introduction of the present disclosure, and therefore the situation of simplification, summary and omissions of detail must be arranged; Those skilled in the art will appreciate that overview section only is to explanation of the present disclosure, and should not regard as any qualification of the present disclosure.The others of device of describing in this instructions and/or method and/or other theme, feature and advantage will become clear owing to the elaboration of this instructions.Overview section is to be used for mode with a kind of simplification to import a plurality of notions that will partly further describe in following embodiment.This overview section is neither be used for determining the key feature or the essential feature of claimed subject, the also non-supplementary means that is used as the scope of determining claimed subject.
Description of drawings
By the following describes book and appending claims and combining, will know more fully and understand above-mentioned and further feature of the present disclosure with accompanying drawing.Should be appreciated that these accompanying drawings only are the descriptions to disclosure plurality of embodiments, should not think the qualification to the scope of disclosure, by accompanying drawing, content of the present disclosure will obtain clear and definite more and explain.
Fig. 1 is the structural representation that the utlity model has the electrical control system better embodiment of signal condition function.
Fig. 2 is the module map of the electrical control system with signal condition function among Fig. 1.
Embodiment
In below the embodiment part, describe in conjunction with the accompanying drawing of a book part as an illustration.In the accompanying drawings, identical/similarly the mark ordinary representation identical/similar parts, unless explanation is arranged in the instructions in addition.The illustrational embodiment of describing in embodiment, accompanying drawing and claims that is used for should not thought qualification of the present disclosure.Under the situation of the spirit or scope of the theme that does not depart from disclosure statement, can adopt other embodiment of the present disclosure, and can make other variation the disclosure.Should be readily appreciated that, can carry out various different configuration, replacement, the combinations that constitute to the various aspects of the present disclosure of graphic extension in general that describe, the accompanying drawing in this instructions, design, and all these change all obviously in the contemplation, and constitute a part of this disclosure.
Please refer to Fig. 1 and Fig. 2, the electrical control system that the utlity model has the signal condition function communicates by network and host computer, receives the instruction of its transmission and feeds back signal to be detected or the status signal of system self.Host computer can be equipment such as upper PC or PXI.The better embodiment that the utlity model has the electrical control system of signal condition function comprises casing 10 and a plurality of function card that is installed in the casing 10 with plugging, casing 10 has backboard, be furnished with bus on the backboard, bus comprises data bus DB, each function card is connected with bus to realize the exchanges data between the function card, and function card comprises main control card 21, power card 22 and signal condition card 27.Power card 22 is used to other function card except that power card that operating voltage is provided.Main control card 21 is used for instructing exchange with host computer, and controls the work of other function card except that main control card 21 and power card 22 in a plurality of function cards.The instruction that main control card 21 receives host computers to be reading the signal of other function card except that main control card 21 and power card 22, or controls the output signal of other function card except that main control card and power card.Signal condition card 27 is used to connect outside signal measurement device, and signal condition card 27 carries out conditioning operation to export the signal that is fit to the signal measurement device collection from data bus DB received signal and to the signal that receives.
Signal measurement device can be oscillograph, multimeter etc.Convert to after the conditioning operation such as signal condition card 27 can amplify the signal of signal measurement device to be accessed, decay, filtering, compensation and be fit to the signal that signal measurement device is gathered.For example, when the voltage measurement scope is that the multimeter of 0-10V is when being connected to the electrical control system that the utlity model has the signal condition function and carrying out signals collecting, if it is bigger that data bus DB goes up voltage signal to be measured, scope is at 0-100V, then signal condition card 27 exports voltage signal decay to be measured to multimeter for 10 times again, to guarantee that multimeter can collect signal to be measured.
Alternatively, bus on the backboard comprises control bus CB, and the bus on the backboard can be supported multiple communication modes, as IIC (Inter-Integrated Circuit, internal integrated circuit) communication modes, CAN (Controller Area Network, controller local area network) communication modes.
Alternatively, the backboard of casing 10 is provided with the interface of a plurality of connecting bus, and each function card is connected on the bus of backboard by the interface of correspondence, to realize the exchanges data between each function card.
Alternatively, the bottom of casing 10 or top are provided with a plurality of draw-in grooves 11 that are used to locate each function card.Alternatively, the bottom of casing 10 is all parallel with the top and be provided with draw-in groove 11 equably.
Alternatively, main control card 21 connects host computer 30 by network, receive and resolve the steering order of host computer 30, main control card 21 is controlled the duty of each function card under the control of host computer 30, main control card 21 is provided with RJ-45 ethernet interface, DB9RS232 communication interface and system state indicator, and system state indicator can comprise system power on pilot lamp and system's run indicator.
Alternatively, main control card 21 is by the communication of the realization of the ARM built-in industrial control module on it with host computer 30.
Alternatively, function card also comprises digital input card 23, digital output card 24, security control card 25, DAQ (Data Acquisition, data acquisition) access card 26 and matrix switch card 28, and each function card all has identification code.
Alternatively, the safety signal of security control card 25 receptions can be safety door signal, safe grating signal, scram button signal etc.
Alternatively, security control card 25 is provided with the watchdog circuit of the software operation state in the monitoring host computer 30, host computer 30 is according to sending instruction to main control card 21 at interval, main control card 21 receives after the instruction promptly, and the watchdog circuit in security control card 25 feeds back this instruction, when watchdog circuit is not received the instruction of main control card 21 feedbacks in intended duration, promptly start the security control action.
Be provided with switch matrix circuit in the matrix switch switch card 28, the signal that switch matrix circuit will need to gather under the control of main control card 21 switches to data bus, the matrix switch switch card can use in conjunction with DAQ access card 26 and signal condition card 27, main control card 21 sends switch-over control signal to the matrix switch card under the control of host computer 30, switch on the data bus DB with the signal that needs are read, thereby make DAQ access card 26 or signal condition card 27 export signal to be analyzed, that handle, show or measure.
Alternatively, also be provided with switch matrix circuit in the signal condition card 27, the signal that switch matrix circuit will need to gather under the control of main control card 21 switches to data bus DB and reads.
The subject content of describing in this instructions illustrates some different parts sometimes, and these parts are contained in or are connected in other different parts.Should be appreciated that described these structures only are exemplary, in fact, also can realize same function with many other structures.On notion, any configured parts that is used to realize same function all by " association " effectively to obtain required function.Therefore, be combined in this instructions together with any two parts of realizing specific function and can be considered " association " mutually obtaining required function, no matter and its structure or possible intermediate member how.Similarly, so related any two parts also can be considered mutually and " are operably connected ", that is " operationally coupling " to realize required function, any two parts that can so be connected also can be considered and " can operationally be coupled " mutually with the realization required function.The object lesson that can operationally be coupled includes but not limited to: parts that physically can be coupled and/or physically synergistic and/or can wireless synergistic and/or wireless synergistic parts and/or interact in logic and/or in logic can synergistic parts.
Claims (10)
1. the electrical control system with signal condition function is connected between host computer and the equipment to be detected, and described electrical control system with signal condition function comprises:
Casing is laid with bus on the casing backboard, and described bus comprises data bus; And
A plurality of function cards that are installed in the casing, each function card are connected with described bus to realize the exchanges data between each function card with plugging, and described a plurality of function cards comprise:
Power card is for other function card except that power card in described a plurality of function cards provides operating voltage;
Main control card, the instruction that receives host computer is with signal that reads other function card except that main control card and power card or the output signal of controlling other function card except that main control card and power card;
The signal condition card connects outside signal measurement device, and the signal condition card carries out conditioning operation to export the signal that is fit to the signal measurement device collection from the data bus received signal and to the signal that receives.
2. the electrical control system with signal condition function as claimed in claim 1, it is characterized in that, described a plurality of function card also comprises the security control card, the security control clamping receive described electrical control system with signal condition function or equipment to be detected safety signal and with the signal that receives be sent to main control card analyze with test have the safe condition of the electrical control system of signal condition function or equipment to be detected and under the control of main control card to described electrical control system or device start security control to be detected action with signal condition function.
3. the electrical control system with signal condition function as claimed in claim 2 is characterized in that, described safety signal comprises safety door signal, safe grating signal, scram button signal.
4. the electrical control system with signal condition function as claimed in claim 2, it is characterized in that, described security control card is provided with watchdog circuit, the instruction of the running software situation of the host computer of watchdog circuit reception main control card feedback is monitored with the software operation state to host computer, and starts the security control action when running software is unusual.
5. the electrical control system with signal condition function as claimed in claim 1 is characterized in that, the casing backboard is provided with a plurality of interfaces that are connected to described bus, and each function card links to each other with described bus by corresponding interface.
6. the electrical control system with signal condition function as claimed in claim 1 is characterized in that, bottom half or top are provided with a plurality of draw-in grooves that are used to locate each function card.
7. the electrical control system with signal condition function as claimed in claim 1 is characterized in that, described a plurality of function cards also comprise from the digital input card of outside receiving digital signals with to the digital output card of outside output digital signal.
8. the electrical control system with signal condition function as claimed in claim 1, it is characterized in that, described a plurality of function card also comprises the matrix switch switch card, be provided with switch matrix circuit in the matrix switch switch card, the signal that switch matrix circuit will need to gather under the control of main control card switches to data bus for reading.
9. the electrical control system with signal condition function as claimed in claim 1, it is characterized in that, described a plurality of function card also comprises the data acquisition access card, is used for the external data capture card, and the data acquisition access card receives the signal on the data bus and is sent to data collecting card.
10. the electrical control system with signal condition function as claimed in claim 1 is characterized in that, each described function card has identification code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200096839U CN202003226U (en) | 2011-01-13 | 2011-01-13 | Electrical measurement and control system with signal conditioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200096839U CN202003226U (en) | 2011-01-13 | 2011-01-13 | Electrical measurement and control system with signal conditioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202003226U true CN202003226U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200096839U Expired - Fee Related CN202003226U (en) | 2011-01-13 | 2011-01-13 | Electrical measurement and control system with signal conditioning function |
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| Country | Link |
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| CN (1) | CN202003226U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591316A (en) * | 2011-01-13 | 2012-07-18 | 北京泛华恒兴科技有限公司 | Electric measurement and control system |
| CN103019230A (en) * | 2012-12-16 | 2013-04-03 | 重庆望江工业有限公司 | Digital type alternating current servo system testing system |
| CN103176413A (en) * | 2011-12-21 | 2013-06-26 | 北京普源精电科技有限公司 | Control method for bus structured data acquisition unit supporting hot swapping |
| CN103177551A (en) * | 2011-12-21 | 2013-06-26 | 北京普源精电科技有限公司 | Data collection card having self calibration function and data collection apparatus |
| CN105676837A (en) * | 2016-01-13 | 2016-06-15 | 电子科技大学 | Ground verification platform based on heterogeneous parallel multiple buses |
| CN107908180A (en) * | 2017-12-18 | 2018-04-13 | 北京群源电力科技有限公司 | A kind of signal regulating device and method for dcs test |
-
2011
- 2011-01-13 CN CN2011200096839U patent/CN202003226U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591316A (en) * | 2011-01-13 | 2012-07-18 | 北京泛华恒兴科技有限公司 | Electric measurement and control system |
| CN103176413A (en) * | 2011-12-21 | 2013-06-26 | 北京普源精电科技有限公司 | Control method for bus structured data acquisition unit supporting hot swapping |
| CN103177551A (en) * | 2011-12-21 | 2013-06-26 | 北京普源精电科技有限公司 | Data collection card having self calibration function and data collection apparatus |
| CN103176413B (en) * | 2011-12-21 | 2016-12-07 | 北京普源精电科技有限公司 | A kind of control method of the bus structures data acquisition unit supporting hot plug |
| CN103177551B (en) * | 2011-12-21 | 2017-10-24 | 北京普源精电科技有限公司 | Data collecting card and its data acquisition device with self-calibration function |
| CN103019230A (en) * | 2012-12-16 | 2013-04-03 | 重庆望江工业有限公司 | Digital type alternating current servo system testing system |
| CN105676837A (en) * | 2016-01-13 | 2016-06-15 | 电子科技大学 | Ground verification platform based on heterogeneous parallel multiple buses |
| CN105676837B (en) * | 2016-01-13 | 2018-04-13 | 电子科技大学 | A kind of ground validation platform based on isomerism parallel multibus |
| CN107908180A (en) * | 2017-12-18 | 2018-04-13 | 北京群源电力科技有限公司 | A kind of signal regulating device and method for dcs test |
| CN107908180B (en) * | 2017-12-18 | 2023-11-10 | 北京群源电力科技有限公司 | Signal conditioning device and method for distributed control system test |
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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: 20111005 Termination date: 20190113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |