Sensing signal detection conversion experiment case and sensor accommodation case
A technology for sensing signals and converting experiments, applied in the field of engineering teaching experiments in colleges and universities, can solve problems that are not conducive to the transformation of open experiments, not conducive to innovative divergent thinking, and high price, and improve engineering thinking and practical ability. Clear technical field, flexible and easy-to-use effects
Inactive Publication Date: 2016-11-09
XUZHOU NORMAL UNIVERSITY
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Problems solved by technology
[0002] Through the previous market research, it was found that the teaching experimental equipment related to sensor detection and conversion existing in the market currently has the following problems: the single-box portable sensor detection conversion device is equipped with fewer types of sensors and single functions; there are many types of sensors. Most of the sensor detection conversion devices are desktop devices, which are large in size and high in price.
Moreover, the poor openness of the system generally exists, and the working principle of the sensor signal detection conversion circuit and the program source code of the digital signal processing part are not completely open.
Such experimental equipment cannot allow students to fully and thoroughly understand and master the working principles of sensor signal conversion and detection; it cannot allow students to flexibly design experimental test circuits, which is not conducive to cultivating and exercising students' innovative divergent thinking; it is not conducive to the openness of experiments In addition, there are great difficulties in the expansion, upgrading and maintenance of subsequent functions of the product
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[0027] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.
[0028] like Figure 1 to Figure 6 As shown, a sensor signal detection conversion experiment box, the experiment box includes a main machine box 1, the main machine box 1 is provided with a handle 2, the main machine box 1 on both sides of the air hole device 6, the main machine box 1 is set There are separate sensor signal detection conversion conditioning module 3, sensor signal digital processing module 4 and system power supply module 5, sensor signal digital processing module 4 digitally analyzes and processes the analog signal output by sensor signal detection and conditioning module 3 , display, and can realize data communication with the computer directly through the RS232, RS485 serial data interface, or through the ECS8405CP USB to RS232 / RS485 converter.
[0029] The sensing signal detection conversion conditioning module 3 and the se...
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The invention discloses a sensing signal detection conversion experiment case. The experiment case comprises a main case and a sensor accommodation case. A sensing signal detection conversion conditioning module, a sensing signal digital processing module, and a system power supply module are disposed in the main case body, and are respectively used for producing a circuit board. The sensing signal detection conversion experiment case is advantageous in that the sensing signal detection conversion conditioning module comprises various types of sensor detection conversion circuits and three typical analog signal conditioning circuits; various function circuits are used for producing the circuit board, but are used independently, and a user can select the proper signal conditioning circuit to realize flexible design of an experiment test circuit according to a concrete sensing signal processing requirement; three data communication ways are provided for the on-line running of the main experiment case and the computer; a hardware size of a system is smaller and compacter; upgrade and maintaining of hardware are convenient; the experiment case is used for experiment teaching of various specialized courses of faculties of engineering in colleges, and cultivation of engineering practical ability and divergent innovative thinking ability of students is facilitated.
Description
technical field [0001] The invention relates to a sensor signal detection conversion experiment box and a sensor storage box, which belong to the field of engineering teaching experiments in colleges and universities. Background technique [0002] Through the previous market research, it was found that the teaching experimental equipment related to sensor detection and conversion existing in the market currently has the following problems: the single-box portable sensor detection conversion device is equipped with fewer types of sensors and single functions; there are many types of sensors. Most of the advanced sensor detection conversion devices are desktop equipment, which are large in size and high in price. Moreover, the openness of the system is generally poor, and the working principle of the sensor signal detection conversion circuit and the program source code of the digital signal processing part are not completely open. Such experimental equipment cannot allow stu...
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IPC IPC(8): G09B23/18
CPCG09B23/187
Inventor 王晓燕秦海鹏丁启胜
Owner XUZHOU NORMAL UNIVERSITY