Overload and overheat protection device for single motor
A technology for overheat protection and electric motors, applied in electromechanical devices, motors, electric vehicles, etc., can solve problems such as motor rotor damage, large energy consumption, and economic losses
Pending Publication Date: 2022-08-05
湖南迎德祥机电科技有限公司
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Problems solved by technology
[0002] The use of electric motors is very wide, and electric motors are required to provide power. When electric motors are used, they need to consume a lot of energy, and when they consume a lot of energy, they also generate a lot of heat. When the motor is affected, when the temperature is too high, it will cause the motor to stop suddenly, which will damage the rotor of the motor, and seriously cause the motor to spontaneously ignite, causing serious economic losses
Method used
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[0034] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0035] Combine below Figure 1-6 Describe the specific embodiment of the present invention, a single-phase motor overload and overheat protection device, including a box body 1;
[0036] A first bracket 5, the first bracket 5 is connected to the inside of the box body 1 through a first elastic member, and a permanent magnet 501 is fixedly installed on the first bracket 5, and the corresponding position of the permanent magnet 501 is. An electromagnet 4 is installed on the inner wall of the box body 1;
[0037] an input assembly 2, the input assembly 2 is connected to the first bracket 5 and extends to the outside of the box body 1;
[0038] The output assembly 3 is connected to the box body 1 and is connected with the input assembly 2 in a driving manner.
[0039] The temperature of the motor is detected by 1. After the temperature of the moto...
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The invention discloses an overload and overheating protection device for a single motor. The overload and overheating protection device comprises a box body, the first support is connected to the interior of the box body through a first elastic piece, a permanent magnet is fixedly installed on the first support, and an electromagnet is installed on the inner wall of the box body at the position corresponding to the permanent magnet; the input assembly is connected to the first support and extends to the outside of the box body; the output assembly is connected to the box body and is in transmission connection with the input assembly; by detecting the temperature of the motor, after the temperature of the motor reaches the rated temperature, the magnetic force to the electromagnet is directly cut off, the first support drives the input assembly to move rightwards under the action of the first elastic piece, and transmission between the input assembly and the output assembly is cut off; and the performance of the motor is prevented from being damaged due to over-high temperature of the motor.
Description
technical field [0001] The invention belongs to the technical field of motor protection, and in particular relates to a single-phase motor overload and overheating protection device. Background technique [0002] Electric motors are used in a wide range of applications. Electric motors are used wherever power is required. Electric motors need to consume a lot of energy when they are in use, and also generate a lot of heat when they consume a lot of energy. When the temperature is too high, it will cause the motor to stop suddenly, damage the rotor of the motor, and seriously cause the motor to spontaneously ignite, causing serious economic losses. SUMMARY OF THE INVENTION [0003] In order to solve the above problems existing in the prior art, the purpose of the present invention is to provide a single-phase motor overload and overheat protection device. [0004] The technical scheme adopted in the present invention is: [0005] A single-phase motor overload and overheat...
Claims
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IPC IPC(8): H02K11/25H02K11/20
CPCH02K11/25H02K11/20Y02T10/64
Inventor 周剑勇罗正平
Owner 湖南迎德祥机电科技有限公司