Use of marmem spring in boiler temperature control air door and device
A technology of memory alloy spring and damper device, which is applied in the field of application and device of shape memory alloy spring in boiler temperature control damper, and achieves the effect of simple structure, low manufacturing cost and guaranteed control
Inactive Publication Date: 2006-03-22
贾树峰
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[0003] The invention provides an application and device of a shape memory alloy spring in a boiler temperature control damper. The device can automatically adjust the temperature according to the user's needs and changes in the furnace temperature to meet the user's requirements for the use environment temperature and save energy. It can also solve the problem that the temperature adjustment mechanism does not need external energy, will not produce volatilization, leakage, bursting and long-term use without wear; it can also solve the problem that the opening stroke of the damper can be adjusted freely and the control accuracy is high.
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[0013] The concrete structure of the present invention and the example of connection relation can refer to accompanying drawing. figure 1 It is an embodiment of this device applied to a hot water boiler, in which the spring seat 2 with a built-in memory alloy spring 4 is fixed at the upper top position of the boiler water jacket 3 . The upper end of the memory alloy spring 4 is fixed with a pressure ring 1, the upper end of the pull wire 8 is connected with the pressure ring 1, and the lower end passes through the bottom end of the spring seat 2, and the fixed sheath 6 extends through the copper tube 5 fixed at the bottom end of the spring seat 2. The water outlet sleeve 3 is connected with the crimping nut 16 on the upper end of the adjusting screw.
[0014] figure 2 It is a schematic diagram of the temperature control damper action device. The structure of the adjustment screw in the figure can be found in image 3 . The upper end of the adjusting screw is a crimping nut...
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The temperature controlling device for boiler air door with marmem spring includes two parts, one temperature sensor and one executor, and features that the temperature sensor installed in the boiler temperature metering area consists of a marmem spring, a spring seat and a pull wire with one end fixed to the marmem spring and the other end fixed to the control end for turning the air door; and that the executor includes a rotation shaft for the air door to rotate, a repositioning spring and an air door regulating knob. Compared with traditional air door controlling modes, the present invention has the advantages of operation on boiler temperature change, no need of external power source, timely and stable control, simple control device structure and low cost.
Description
technical field [0001] The invention relates to the application of a shape memory alloy spring in a boiler temperature control damper and a boiler temperature control damper mechanism. Background technique [0002] At present, the damper adjustment method of boilers on the market is mainly that the user manually adjusts the damper according to the experience of the boiler operator. This kind of adjustment method is difficult to control the air door according to the needs. The user frequently operates the air door, which is very inconvenient to use. It not only takes up manpower, but also cannot maintain stable heating. waste of energy. In order to overcome the above shortcomings, some boiler control devices that automatically control the air door have emerged, which include electrical appliances and liquid-drum temperature-sensitive material control. The former electrical control, because the boiler is a heat carrier, has extremely high requirements on electrical component...
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IPC IPC(8): F23N3/04
Inventor 贾树峰
Owner 贾树峰