Temperature simulating circuit and method
An analog circuit and circuit technology, applied in temperature control, electrical program control, non-electric variable control, etc., can solve problems such as the inability to realize intelligent and digital temperature simulation
Inactive Publication Date: 2015-02-11
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
[0004] At present, the following method is usually used to input the temperature signal of the temperature sensing package circuit. The corresponding temperature sensor or temperature sensing resistor is externally connected to the acquisition port of the temperature sensing package circuit, and then the temperature of the environment where the temperature sensor is located is changed to realize the reading of the temperature sensing package circuit. The change of the input temperature signal, this method uses the analog method to control the temperature, and cannot realize the intelligence and digitization of temperature simulation
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[0034] The embodiment of the present application provides a temperature analog circuit for providing temperature information for the temperature sensing package circuit, including: a digital potentiometer, a microcontroller and an input control interface;
[0035] The input terminal of the microcontroller is connected to the input control interface, and preset temperature information is received through the input control interface, and the preset temperature information includes at least a preset temperature value;
[0036] The output end of the microcontroller is connected to the control pin of the digital potentiometer, and the microcontroller controls the digital potentiometer to output a corresponding resistance signal according to the preset temperature information, so that the temperature sensing package circuit collects The obtained temperature information matches the preset temperature information.
[0037] The temperature analog circuit uses a digital potentiometer to...
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The invention discloses a temperature simulating circuit and method used for providing temperature information for a temperature bulb circuit. The temperature simulating circuit comprises a digital potentiometer, a microcontroller, and an input control interface. A resistance value corresponding to a preset temperature value is generated by the digital potentiometer. The corresponding resistance value is obtained through the microcontroller according to the inputted preset temperature value. The digital potentiometer is adjusted in order to output a matched resistance value such that it is achieved that a resistance signal corresponding to the preset temperature value is automatically outputted as the preset temperature value is inputted. The temperature bulb circuit acquires the resistance signal provided by the temperature simulating circuit so as to obtain a corresponding temperature signal. The temperature simulating circuit and method provided by the invention achieve digitalized setting and intelligentized control of the temperature information outputted by the temperature simulating circuit.
Description
technical field [0001] The present application relates to the technical field of air conditioner debugging, in particular to a temperature simulation circuit and method. Background technique [0002] Before the air conditioner leaves the factory, in order to ensure the good performance of the air conditioner, it is necessary to test the air conditioner, for example, an online function simulation test and a laboratory test. The existing air conditioner testing process includes software testing and hardware testing. [0003] In order to verify the accuracy of the main program of the air conditioner, it is necessary to test the main program of the air conditioner main board in the laboratory before putting into production. It is necessary to input various temperature signals to the temperature sensing package circuit in the air conditioner according to the design requirements of the air conditioner to simulate the actual condition of the air conditioner. Operation status, so a...
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Login to View More IPC IPC(8): G05B19/04
CPCG05D23/20
Inventor 庞东林宝伟刘洪明庄展增丁欣欣
Owner GREE ELECTRIC APPLIANCES INC