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A waterproof electrothermal actuator

A technology of electrothermal actuators and electric wires, applied in valve details, engine components, valve operation/release devices, etc., can solve problems such as structural unreliability, achieve good market promotion value, and have obvious structural waterproof effects

Active Publication Date: 2018-08-03
安徽博昕远智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The waterproof IPX level of the prior art is below level 6. If there is water leakage and immersion in water with a certain pressure for a long time, the above structure will be unreliable

Method used

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  • A waterproof electrothermal actuator
  • A waterproof electrothermal actuator
  • A waterproof electrothermal actuator

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Embodiment Construction

[0015] Such as Figure 1 to Figure 3 As shown in the schematic diagram, a waterproof electric heating actuator includes a paraffin temperature bulb 1. The lower part of the paraffin temperature bulb 1 is a small cylindrical part 10, the upper part is a large cylindrical part 11, and there is a movable thimble 12 at the top; The first lead 21 is connected on the heating resistor 13 on the bottom surface of the small cylinder part 10; the second lead 22 of the electric wire 2 is connected on the electrode terminal 14 on the bottom surface of the large cylinder part 11; also includes a base 3; 3 is provided with an annular groove 30 with an upper opening to cooperate with the paraffin temperature bulb 1; the annular groove 30 contains the heating resistor 13, the electrode terminal 14, the small cylindrical part 10 and the large cylindrical part 11; There is a gap 31 between the annular groove 30 and the annular periphery of the paraffin wax temperature bulb 1; the gap 31 is fill...

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Abstract

The invention relates to an electrothermal actuator, and belongs to the field of actuation devices of temperature control devices. The waterproof electrothermal actuator comprises a paraffin temperature bulb. A small cylinder portion is arranged on the lower portion of the paraffin temperature bulb, a large cylinder portion is arranged on the upper portion of the paraffin temperature bulb, and a movable centre is further arranged on the top of the paraffin temperature bulb. A first lead wire of a wire is connected to a heating resistor at the bottom end of the small cylinder portion, and a second lead wire of the wire is connected to an electrode terminal at the lower end of the large cylinder portion. The waterproof electrothermal actuator further comprises a base. An annular groove which is matched with the paraffin temperature bulb is formed in the base, wherein an opening is formed in the upper portion of the annular groove. A gap is formed between the annular groove and the annular periphery of the paraffin temperature bulb, and is filled with sealing packing. According to the waterproof electrothermal actuator, due to the design of the base structure and the improvement of the sealing way, the water resistance performance of the electrothermal actuator can achieve the IPX 7 grade or the higher grade, and even the electrothermal actuator can normally work in the immersion state. Compared with the prior art, the waterproof electrothermal actuator has the advantages of being obvious in structural water resistance effect, safer and more reliable, guaranteeing the power utilization safety of the electrothermal actuator and having the high market promotion value.

Description

technical field [0001] The invention relates to an electrothermal actuator, which belongs to an actuator of a temperature control device. Background technique [0002] The electrothermal actuator is a device that remotely controls the flow of the pipeline system. It realizes the opening and closing of the hot or cold medium in the pipeline by electronic means. It is suitable for the heating of residential and public facilities or the temperature control of central air-conditioning, and room-by-room temperature control. In recent years, it has been widely used in floor heating water collectors and radiators. It is small in size, easy to control, noiseless in operation, and mature in supporting connections. The application of electrothermal actuators is mainly in the pipeline of water medium. Due to the difference between the pipeline and the room temperature, condensation or humidity are common environments for electrothermal actuators, and there are even situations such as ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/68F16K31/66
CPCF16K31/002
Inventor 黄德修
Owner 安徽博昕远智能科技有限公司
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