Analog signal generator

An analog signal and generator technology, applied in the field of analog signal generators, can solve the problems of high equipment investment and maintenance costs, low test reliability, long preparation time, etc., and achieve high reliability, convenient installation, and simple operation Effect

CN101349615AInactive Publication Date: 2009-01-21ZHUZHOU CSR TIMES ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2009-01-21
Estimated Expiration
Not applicable · inactive patent

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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.
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Description

technical field

[0001] The invention relates to a signal generator, in particular to an analog signal generator used in the ground static test of an automatic safety protection device for large-scale transportation equipment. Background technique

[0002] All kinds of large-scale transportation equipment such as spacecraft, ships, railway locomotives and EMUs need to do static tests when they are newly manufactured or overhauled or routinely inspected. The static test of various transportation equipment is to simulate the equipment when it is put into operation. various situations that may be encountered. Taking the railway locomotive as an example, the static test items include the status signal of the locomotive itself, the signal of the railway line and other safety signals that must be considered. At present, the static test of a railway locomotive needs multiple equipments to work together. Although it can meet the test requirements in some cases, there are obvious sho...

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Embodiment Construction

[0015] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0016] Referring to the accompanying drawings, the present invention includes a central processing unit and its storage unit 1 and a working condition information generation unit 6, the central processing unit and its storage unit 1 are electrically connected to the frequency signal generation unit 2, the voltage signal generation unit 3, the current Signal generating unit 4, speed signal generating unit 5, working condition information generating unit 6, signal conditioning unit 7, external interface 8 and display 9; said signal conditioning unit 7 is also connected with frequency signal generating unit 2, voltage signal generating unit 3, The current signal generating unit 4, the speed signal generating unit 5 and the external interface 8 are electrically connected.

[0017] The FPGA waveform generating circuit 21 of the frequency signal generating unit 2 i...