Electronic refrigerator teaching demonstration device
The technology of an electronic refrigerator and demonstrator, which is applied to teaching models, instruments, educational appliances, etc., can solve the problems of heavy weight that cannot be used in classroom teaching, cannot be used in various environments, and destroys the atmosphere, so as to improve the teaching effect and cultivate Innovative thinking and hands-on ability, the effect of small size
Inactive Publication Date: 2014-08-20
雷建设
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] Refrigerators in ordinary households are refrigerated by freon, which cannot be used in various environments. They are bulky and heavy and do not use classroom teaching; at the same time, freon will also destroy the atmosphere and cause harm to the atmosphere
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0020] An electronic refrigerator teaching demonstrator, comprising a working power supply, a power supply indicator, a voltage stabilizer, a temperature sensor, a voltage comparator, an amplifier, a relay, a small fan, and a refrigerator, wherein the working power supply includes a power transformer, a rectifier And filter, power supply indicator, power transformer is connected to rectifier, filter and power supply indicator in turn; Described voltage stabilizer comprises voltage stabilizer 1 voltage stabilizer 2, voltage stabilizer 1 voltage stabilizer 2 connects filter, so The voltage stabilizer 1 is connected with a voltage comparator, amplifier, relay and fan; the voltage stabilizer 2 is connected with the refrigerator; the temperature sensor is connected with the refrigerator through the voltage comparator, amplifier and relay in turn.
[0021] Specifically, the 220v alternating current is stepped down by the power transformer, rectified by the rectifier, and filtered by ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
An electronic refrigerator teaching demonstration device comprises a working power supply, a power indicator, voltage stabilizers, a temperature sensor, a voltage comparator, an amplifier, a replay, a small fan and a freezer. The electronic refrigerator teaching demonstration device is characterized in that the working power supply comprises a power transformer, a rectifier and a filter, the power transformer is sequentially connected with the rectifier and the filter. The voltage stabilizers comprise a first voltage stabilizer and a second voltage stabilizer which are connected with the working power supply, the first voltage stabilizer is connected with the voltage comparator, the amplifier, the relay and the fan, and the second voltage stabilizer is connected with the freezer, the temperature sensor is connected with the freezer through the voltage comparator, the amplifier and the relay sequentially. The electronic refrigerator teaching demonstration device can normally work under various environments, has the advantages of being small in size, light in weight and convenient to move. In addition, the electronic refrigerator teaching demonstration device is not provided with rotating parts and refrigerant, thereby being suitable for application to classroom teaching.
Description
technical field [0001] The invention relates to an electronic refrigerator teaching demonstrator, in particular to an electronic refrigerator teaching demonstrator using semiconductor refrigeration. Background technique [0002] A refrigerator is an electrical device that uses electric energy to create a low-temperature environment in the box. It is widely used in refrigerated food, beverages, pharmaceutical products, and can also be used to make refreshing drinks. [0003] Refrigerators in ordinary households are refrigerated by freon, which cannot be used in various environments. They are bulky and heavy and do not use classroom teaching; at the same time, freon can also damage the atmosphere and cause harm to the atmosphere. Contents of the invention [0004] Aiming at the above problems, the present invention provides an electronic refrigerator with small volume, light weight, convenient movement, no rotating parts and refrigerant, which utilizes semiconductor refrige...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G09B25/02
Inventor 雷建设
Owner 雷建设