CN101349615A - Analog signal generator - Google Patents
Analog signal generator Download PDFInfo
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- CN101349615A CN101349615A CNA2008100321596A CN200810032159A CN101349615A CN 101349615 A CN101349615 A CN 101349615A CN A2008100321596 A CNA2008100321596 A CN A2008100321596A CN 200810032159 A CN200810032159 A CN 200810032159A CN 101349615 A CN101349615 A CN 101349615A
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Abstract
The invention discloses an analog signal generator, which comprises a central processing unit, a storage unit (1) of the central processing unit and a work information generating unit (6), wherein the central processing unit and the storage unit (1) thereof are electrically connected with a frequency signal generating unit (2), a voltage signal generating unit (3), a current signal generating unit (4), a speed signal generating unit (5), the work information generating unit (6), a signal conditioning unit (7), an external interface (8) and a display (9), wherein the signal conditioning unit (7) is further electrically connected with the frequency signal generating unit (2), the voltage signal generating unit (3), the current signal generating unit (4), the speed signal generating unit (5) and the external interface (8). The invention has the advantages of high integration degree, convenient installation, simple operation and high reliability degree. The analog signal generator is suitable for manufacturing enterprises and scientific research units of various large-scale transport equipments.
Description
Technical field
The present invention relates to a kind of signal generator, particularly relate to the analog signal generator that a kind of automatic safe protective device of large-scale facilities for transport and communication is adopted when the standing test of ground.
Background technology
Various large-scale transportation equipments such as spacecraft, boats and ships, railway locomotive and motor train unit, they are produced newly, and factory or overhaul are dispatched from the factory or conventional routine inspection, all need to do standing test, the standing test of all kinds of transportation equipments is various situations that this equipment of simulation might run into when putting into operation.With the railway locomotive is example, and the project of its standing test comprises the status signal of locomotive itself, signal and other safety signal that must consider of railway track.The standing test of finishing railway locomotive at present needs a plurality of equipment associated working just can finish, though can satisfy testing requirements under certain conditions, but there is tangible weak point: the multiple devices associated working, the setup time that the cost of Installation and Debugging testing equipment is a large amount of, complicated operation, the reliability of test is not high, equipment input and maintenance cost height.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of integrated portable analog signal generator is provided.
Purpose of the present invention is achieved by following technical proposals: comprise central processing unit and memory cell thereof and work information generating unit, described central processing unit and memory cell thereof are electrically connected frequency signal generating unit, voltage signal generating unit, current signal generating unit, rate signal generating unit, work information generating unit, signal condition unit, external interface and display; Described signal condition unit also is electrically connected with frequency signal generating unit, voltage signal generating unit, current signal generating unit, rate signal generating unit and external interface.
Order was electrically connected with isolating amplifier circuit, transformer isolation circuit and signal condition unit after the FPGA wave generator circuit electricity of described frequency signal generating unit was electrically connected central processing unit and memory cell thereof.
Order was electrically connected with buffer circuit, voltage commentaries on classics current circuit, voltage output protection circuit and signal condition unit after the voltage generation circuit of described voltage signal generating unit was electrically connected central processing unit and memory cell thereof.
Order was electrically connected with isolating amplifier circuit, electric current output protection circuit and signal condition unit after the voltage generation circuit of described current signal generating unit was electrically connected central processing unit and memory cell thereof.
Optical coupling isolation circuit, rate signal output circuit and signal condition unit were electrically connected in proper order after the high speed square wave generation circuit of described rate signal generating unit was electrically connected central processing unit and memory cell thereof.
Compared with prior art, the present invention has the following advantages: the integrated degree height, and easy for installation, simple to operate, the reliability standard height.The manufacturing enterprise and the R﹠D institution that are suitable for various large-scale transportation equipments use.
Description of drawings
Fig. 1 is the electrical principle block diagram of one embodiment of the invention;
Fig. 2 is the electrical principle block diagram of Fig. 1 frequency signal generating unit;
Fig. 3 is the electrical principle block diagram of Fig. 1 voltage signal generating unit;
Fig. 4 is the electrical principle block diagram of Fig. 1 current signal generating unit;
Fig. 5 is the electrical principle block diagram of Fig. 1 rate signal generating unit;
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
With reference to accompanying drawing, the present invention includes central processing unit and memory cell 1 thereof and work information generating unit 6, described central processing unit and memory cell 1 thereof are electrically connected frequency signal generating unit 2, voltage signal generating unit 3, current signal generating unit 4, rate signal generating unit 5, work information generating unit 6, signal condition unit 7, external interface 8 and display 9; Described signal condition unit 7 also is electrically connected with frequency signal generating unit 2, voltage signal generating unit 3, current signal generating unit 4, rate signal generating unit 5 and external interface 8.
The FPGA wave generator circuit electricity 21 of described frequency signal generating unit 2 is electrically connected central processing unit and memory cell 1 back order is electrically connected with isolating amplifier circuit 22, transformer isolation circuit 23 and signal condition unit 7.
The voltage generation circuit 31 of described voltage signal generating unit 3 is electrically connected central processing unit and memory cell 1 back order is electrically connected with buffer circuit 22, voltage commentaries on classics current circuit 32, voltage output protection circuit 32 and signal condition unit 7.
The voltage generation circuit 31 of described current signal generating unit 4 is electrically connected central processing unit and memory cell 1 back order is electrically connected with isolating amplifier circuit 22, electric current output protection circuit 41 and signal condition unit 7.
The high speed square wave generation circuit 51 of described rate signal generating unit 5 is electrically connected central processing unit and memory cell 1 back order optical coupling isolation circuit 52, rate signal output circuit 53 and signal condition unit 7 are electrically connected.
Work information generating unit 6 adopts known technology to realize.
In the memory of central processing unit and memory cell 1 thereof special software is installed, the parameter of each operating mode is set in advance.In the present embodiment, traction and brake two operating modes is set.After external interface 8 connects tested equipment, start main frame and specific program, select operating mode, according to operating mode parameter is set then and begins to detect, display 9 shows detected state and relevant information, detects data and is kept in the memory of central processing unit and memory cell 1 thereof.
Claims (9)
1. analog signal generator, comprise central processing unit and memory cell thereof (1) and work information generating unit (6), it is characterized in that: described central processing unit and memory cell thereof (1) are electrically connected frequency signal generating unit (2), voltage signal generating unit (3), current signal generating unit (4), rate signal generating unit (5), work information generating unit (6), signal condition unit (7), external interface (8) and display (9); Described signal condition unit (7) also is electrically connected with frequency signal generating unit (2), voltage signal generating unit (3), current signal generating unit (4), rate signal generating unit (5) and external interface (8).
2. analog signal generator according to claim 1 is characterized in that: the FPGA wave generator circuit electricity (21) of described frequency signal generating unit (2) is electrically connected central processing unit and memory cell (1) back order thereof and isolating amplifier circuit (22), transformer isolation circuit (23) and signal condition unit (7) are electrically connected.
3. analog signal generator according to claim 1 and 2 is characterized in that: the voltage generation circuit (31) of described voltage signal generating unit (3) is electrically connected that central processing unit and memory cell (1) back order thereof and buffer circuit (22), voltage change current circuit (32), voltage output protection circuit (32) and signal condition unit (7) are electrically connected.
4. analog signal generator according to claim 1 and 2 is characterized in that: the voltage generation circuit (31) of described current signal generating unit (4) is electrically connected central processing unit and memory cell (1) back order thereof and isolating amplifier circuit (22), electric current output protection circuit (41) and signal condition unit (7) are electrically connected.
5. analog signal generator according to claim 3 is characterized in that: the voltage generation circuit (31) of described current signal generating unit (4) is electrically connected central processing unit and memory cell (1) back order thereof and isolating amplifier circuit (22), electric current output protection circuit (41) and signal condition unit (7) are electrically connected.
6. analog signal generator according to claim 1 and 2 is characterized in that: the high speed square wave generation circuit (51) of described rate signal generating unit (5) is electrically connected central processing unit and memory cell (1) back order optical coupling isolation circuit (52), rate signal output circuit (53) and signal condition unit (7) electrical connection.
7. analog signal generator according to claim 3 is characterized in that: the high speed square wave generation circuit (51) of described rate signal generating unit (5) is electrically connected central processing unit and memory cell (1) back order optical coupling isolation circuit (52), rate signal output circuit (53) and signal condition unit (7) electrical connection.
8. analog signal generator according to claim 4 is characterized in that: the high speed square wave generation circuit (51) of described rate signal generating unit (5) is electrically connected central processing unit and memory cell (1) back order optical coupling isolation circuit (52), rate signal output circuit (53) and signal condition unit (7) electrical connection.
9. analog signal generator according to claim 5 is characterized in that: the high speed square wave generation circuit (51) of described rate signal generating unit (5) is electrically connected central processing unit and memory cell (1) back order optical coupling isolation circuit (52), rate signal output circuit (53) and signal condition unit (7) electrical connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2008100321596A CN101349615A (en) | 2008-08-27 | 2008-08-27 | Analog signal generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2008100321596A CN101349615A (en) | 2008-08-27 | 2008-08-27 | Analog signal generator |
Publications (1)
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CN101349615A true CN101349615A (en) | 2009-01-21 |
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CNA2008100321596A Pending CN101349615A (en) | 2008-08-27 | 2008-08-27 | Analog signal generator |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104019845A (en) * | 2014-06-17 | 2014-09-03 | 上海德意达电子电器设备有限公司 | Instrument test box |
CN105446323A (en) * | 2015-12-22 | 2016-03-30 | 昆山凯捷特电子研发科技有限公司 | Motorcycle ignition controller test platform |
CN106771420A (en) * | 2016-11-25 | 2017-05-31 | 国网河南省电力公司平顶山供电公司 | Portable zero-pressure lifting device |
-
2008
- 2008-08-27 CN CNA2008100321596A patent/CN101349615A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104019845A (en) * | 2014-06-17 | 2014-09-03 | 上海德意达电子电器设备有限公司 | Instrument test box |
CN105446323A (en) * | 2015-12-22 | 2016-03-30 | 昆山凯捷特电子研发科技有限公司 | Motorcycle ignition controller test platform |
CN106771420A (en) * | 2016-11-25 | 2017-05-31 | 国网河南省电力公司平顶山供电公司 | Portable zero-pressure lifting device |
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Open date: 20090121 |