Electric washing device of temperature controller

Abstract

The invention relates to an electric washing device of a temperature controller. The electric washing device comprises a direct-current power supply chassis (1), and a power supply switch (2), an amperemeter (3) and a voltmeter (4) are arranged on the direct-current power supply chassis (1). The electric washing device is characterized in that the direct-current power supply chassis (1) is externally connected with a resistor (5) through a first wire (9), connected with a clamp (6) clamping a product through a second wire (10), and connected with a starting switch (8) on an electric wood block(7) through a third wire (11); the clamp comprises two U-shaped metal clamping bodies (6-1), and the middles of the metal clamping bodies are movably connected through a clamping shaft (6-4); a spring (6-5) is arranged on the clamping shaft (6-4); and insulation outer shells (6-3) are arranged on handles at the right ends of the metal clamping bodies (6-1), and insulation adhesive layers (6-2) are arranged on the upper surface and the lower surface which clamp the product at the left ends of the metal clamping bodies (6-1). According to the electric washing device of the temperature controller, a foreign body film between a movable joint and a fixed joint of the temperature controller is eliminated completely, the defect rate of the products is decreased to zero, the high contact resistance is overcome thoroughly, and the service life of the product is improved.

Description

technical field [0001] The invention belongs to an electric cleaning device for an electrical switch, in particular to an electric cleaning device for a temperature controller. Background technique [0002] The temperature controller is connected in series in the product. Its function is to disconnect the circuit at the specified temperature and connect the circuit at the specified temperature. Therefore, the smaller the resistance of the temperature controller, the better. If the resistance is large, the entire circuit will be lost. The electric energy in the circuit will also generate heat and affect life expectancy. [0003] The biggest problem affecting the resistance of the temperature controller is the contact resistance between the movable contact and the fixed contact, especially the foreign matter film formed between the movable contact and the fixed contact due to oxidation has a great negative impact on the contact resistance of the product. [0004] At present, ...

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Problems solved by technology

[0002] The temperature controller is connected in series in the product. Its function is to disconnect the circuit at the specified temperature and connect the circuit at the specified temperature. Therefore, the smaller the resistance of the temperature controller, the better. If the resistance is large, the entire circuit will be lost. The electric energy in the circuit will also generate heat and affect the lifespan, etc.

[0003] The biggest problem affecting the resistance of the temperature controller is the contact resistance between the movable contact and the fixed contact, especially the foreign matter film formed between the movable contact and the fixed contact due to oxidation has a great negative impact on the contact resistance of the product

[0004] At present, the method used is ultrasonic pure water cleaning, but during the assembly process, and when there is a temperature measurement process when the movable contact and the fixed contact are not in contact with each other, more or less there will be different degrees of cracking on the contact surface. Oxidation phenomenon, due to the foreign matter film formed by this oxidation phenomenon, the defective rate of the product is above 30%, which requires a lot of manpower and material resources to disassemble and clean, resulting in a lot of waste

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