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Plastic greenhouse temperature and humidity sound and light alarm device

An audible and visual alarm device and technology for plastic greenhouses, which can be used to indicate the value of multiple variables at the same time, the auditory indication of instrument readings, etc., can solve the problems of loss, lack of scientific management of greenhouse system technology, and inability to exert the best effect of the greenhouse.

Inactive Publication Date: 2013-11-06
常州市俊宏电器厂
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Problems solved by technology

However, due to the lack of scientific management technology of the greenhouse system, the best effect of the greenhouse cannot be exerted, resulting in unnecessary losses

Method used

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  • Plastic greenhouse temperature and humidity sound and light alarm device

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Embodiment Construction

[0010] refer to figure 1 , Plastic greenhouse temperature and humidity sound and light alarm device, including temperature sensor 1, humidity sensor 2, controller 3, first amplifier 4, second amplifier 5, buzzer 6 and flashing alarm 7. The output ends of the temperature sensor 1 and the humidity sensor 2 are respectively connected to the input end of the controller 3 , the output end of the controller 3 is connected to the input end of the first amplifier 4 , and the output end of the first amplifier 4 is connected to the buzzer 6 . The output end of the controller 3 is connected with the input end of the second amplifier 5 , and the output end of the second amplifier 5 is connected with the flash warning device 7 . Both the first amplifier and the second amplifier are transistors. It also includes a potentiometer 8, which is connected to the input terminal of the controller 3 together with the output terminal of the humidity sensor 2. It also includes a display screen 9, wh...

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Abstract

The invention relates to a plastic greenhouse temperature and humidity sound and light alarm device which comprises a temperature sensor, a humidity sensor, a controller, a first amplifier, a second amplifier, a buzzer and a flashing warning device, wherein the output end of the temperature sensor and the output end of the humidity sensor are respectively connected to the input end of the controller. The output end of the controller is connected with the input end of the first amplifier, the output end of the first amplifier is connected with the buzzer, the output end of the controller is connected with the input end of the second amplifier, and the output end of the second amplifier is connected with the flashing warning device. By means of the plastic greenhouse temperature and humidity sound and light alarm device, the temperature and the humidity in a greenhouse can be monitored by workers, and the greenhouse can play the best effect.

Description

technical field [0001] The invention relates to an acousto-optic alarm device for temperature and humidity in a plastic greenhouse. Background technique [0002] The vegetable greenhouse is a frame-covered structure with excellent thermal insulation properties. Its appearance allows people to eat off-season vegetables. Generally, the vegetable greenhouse uses a bamboo structure or a steel structure frame, covered with one or more layers of thermal insulation plastic film, thus forming a greenhouse space. The outer film can well prevent the loss of carbon dioxide produced by the growth of vegetables inside, so that the shed has a good heat preservation effect. [0003] Nowadays, plastic greenhouses are widely used to grow various crops. However, due to the lack of scientific management technology of the greenhouse system, the best effect of the greenhouse cannot be exerted, resulting in unnecessary losses. Contents of the invention [0004] In view of the above technical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D7/02G01D7/12
Inventor 谢公平
Owner 常州市俊宏电器厂
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