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Vehicle-mounted air condition air sweeping device driven by electric control shape memory alloy

A memory alloy, vehicle air conditioning technology, applied in vehicle parts, transportation and packaging, air handling equipment, etc., can solve the problems of short life, incomplete heat dissipation, and large space of shape memory alloy, achieve long service life, reduce cleaning Wind interval time, the effect of improving the service life

Inactive Publication Date: 2016-09-21
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention designs and develops a vehicle-mounted air-conditioning sweeping device driven by an electronically controlled shape memory alloy, which solves the problem of large space occupation or electromagnetic interference in the prior art by using a traditional motor-driven vehicle-mounted air-conditioning sweeping device or an electromagnetic vehicle-mounted sweeping device
[0005] In addition, another technical purpose of the present invention is to solve the problems of insufficient cooling and incomplete heat dissipation of shape memory alloys during use, which lead to short service life of shape memory alloys due to stress accumulation through the clutch mechanism

Method used

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  • Vehicle-mounted air condition air sweeping device driven by electric control shape memory alloy
  • Vehicle-mounted air condition air sweeping device driven by electric control shape memory alloy
  • Vehicle-mounted air condition air sweeping device driven by electric control shape memory alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] Such as figure 1 Shown is a sweeping device using a memory alloy wire, that is, the reset mechanism is a bias spring 150, and the air-conditioning sweeping blade 110 is connected to the adjusting screw 170 through a fixed hinge 120, and the adjusting screw 170 is connected to the shell 160 through threads. The wind blades are connected by tie rods 130 to ensure synchronous movement. The sweeping blade in the middle is longer, and shape memory alloy wires 140 and bias springs 150 are respectively hinged on both sides of its rear end. The power supply voltage is controlled by a single-chip microcomputer and applied to the memory alloy wire ends.

[0074] The working principle of this embodiment is as follows: when the shape memory alloy wire 140 is energized, it generates heat, and when it reaches the phase transition temperature, it will generate a restoring force and shorten, and pull the air conditioner sweeping blade 110 to rotate counterclockwise, and the temperature...

Embodiment 2

[0077] Such as image 3 Shown is a sweeping device using two memory alloy wires, that is, the reset mechanism is also in the form of a shape memory alloy. The structure of this embodiment is basically the same as that of Example 1, except that the bias spring 150 is omitted and a set of Shape memory alloy wire 140, when using a wire shape memory alloy structure, the memory alloy wire on the left side is in a relaxed state at this time and is shown as bending in the figure, and when using a helical memory alloy structure, the memory alloy in the relaxed state shows a pitch increase Large, the power supply is divided into two outputs through the single-chip microcomputer, which are respectively connected to the two ends of the two sets of shape memory alloy wires 140, and they can be powered on and off separately.

[0078]The working principle of this embodiment is as follows: first electrify the first memory alloy wire, and the first memory alloy wire gradually changes from a r...

Embodiment 3

[0081] Such as Figure 5 As shown, it is a sweeping device using 4 memory alloy wires, which adopts the form of two memory alloy wires on each side to be pulled sequentially. A clutch mechanism is added between the alloy wire and the air-conditioning sweeping blade, and the power supply is divided into 4 outputs through the single-chip microcomputer, which are respectively connected to the two ends of the 4 memory alloy wires 140, so that they can be energized separately.

[0082] Such as Figure 6a , Figure 6b , Figure 6c and Figure 7 As shown, among them, Figure 6a is the front view of the clutch mechanism, Figure 6b is the plan view of the clutch mechanism, in Figure 6a Middle slide block 184a is not drawn, Figure 6c It is an oblique view of the clutch mechanism. The clutch mechanism is composed of a guide rail 181, a barb 182, a pull-back spring 183 and a sliding mechanism 184. The guide rail 181 is fixed on the bracket of the air outlet of the air conditione...

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Abstract

The invention discloses a vehicle-mounted air condition air sweeping device driven by an electric control shape memory alloy. The vehicle-mounted air condition air sweeping device is composed of a drive part, a control part, a transmission part and an execution mechanism. The drive part adopts the shape memory alloy as a drive element, the shape memory alloy shrinks when electrified to be heated and is lengthened when cooled, and output of displacement and force of a driver is achieved. The control part is composed of a sensor, a single-chip microcomputer and a manual control key, the current on a shape memory alloy wire is controlled, and therefore the temperature of the shape memory alloy wire is controlled. The transmission part is mainly composed of a clutch device or a reset device. The execution mechanism is vehicle-mounted air conditioner air sweeping blades. The vehicle-mounted air condition air sweeping device has the beneficial effects of being small in size, simple in structure, convenient to install, easy to achieve, free of electromagnetic interference, good in periodical control effect and the like.

Description

technical field [0001] The invention relates to a vehicle-mounted air-conditioning sweeping device, in particular to a vehicle-mounted air-conditioning sweeping device driven by an electronically controlled shape memory alloy. Background technique [0002] Most of the air sweeping methods used by air conditioners are sweeping blades, motor drives, and control circuits that control the movement of the motors. After the motor is installed, it will not only occupy the small space in the middle console of the car, but also add too many motors will introduce instability factors, which is not conducive to the lightweight design of the body, and the traditional motor-type car air-conditioning sweeping device needs to pass through Devices such as worm gear or rack and pinion convert the rotational motion of the motor into linear motion, and if necessary, a deceleration device must be added, resulting in problems of large volume and complex structure; traditional electromagnetic driv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60H1/34
CPCB60H1/3421B60H2001/3471
Inventor 沈传亮肖尊元卢帅刘纬纶王皓聂家弘周淼磊
Owner JILIN UNIV
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