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Current temperature sensor using the matters needing attention

1. In order to get a better dynamic characteristics and sensitivity, must pay attention to the original coil and deputy while coil coupling, coupling well, available single wire and wire completely fill the hole temperature sensor module aperture;

2. Used as the dc current flows through the temperature sensor of the original side coil, and the secondary circuit without | stabilizer or vice side open circuit, power supply is connected, the magnetic circuit is magnetized, remanent magnetization, the influence and measuring accuracy, So use to connect the power supply and measure the end M) , when this happens, first to demagnetization. The method is a circuit without power, and by the same level in the primary side coil alternating current and decreases the size of its value;

overview of current temperature sensor

current temperature sensor in the application of the motor ( 电流传感器) Is a commonly used in motor drive temperature sensor, the output signal is used as a function of protection, feedback, no temperature sensor in the motor control, current temperature sensor is the indispensable element.

temperature sensor output signal is the voltage type and current mode, the design of the interface circuit is also different. Current output, the resistance of the concatenated certain scope, the current into a voltage. Some type of temperature sensor with bipolar power supply, the converted voltage is bipolar. Before sent to the microcontroller, the need to level ascension and amplified.

current temperature sensor in the control and protection of the door into the system, the application of

the door into the system must provide security and protection for the users. Imagine a garage door locked people or cars in consequence. Current measurements can provide this kind of protection function.

electronic systems control garage doors, shutter and awning is gradually into People's Daily lives, and the protection performance is the most important function of must be taken into account when designing these systems. Current measurements can provide this kind of protection function.

used in garage doors, doors, shutters and awning on dc brush motor, at every time of normal opening and closing to produce its own repeatability of current distribution. The current waveform can be stored in the microcontroller. Current temperature sensor can provide dc brush motor current feedback at work, the door into the system manufacturer defined tolerance range, to that of the current waveform is stored in the microcontroller in the comparison. If the values do not match, the security problems. Micro controller will be alert and closed system or reverse rotation motor, to close the door again. The obstacles, person, or other object provides protection, at the same time protect the motor from damage caused by high current.