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Attemperator

A temperature regulator and temperature setting technology, which is applied in the direction of temperature control without auxiliary power supply, etc., can solve the problems of easy reduction of potentiometer temperature adjustment accuracy, many times of maintenance and inspection, and easy deterioration of potentiometer, so as to achieve easy maintenance and inspection , Reduced maintenance frequency and prolonged product life

Inactive Publication Date: 2009-09-02
YAMATAKE HONEYWELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] In addition, due to the structure in which the potentiometer is exposed and dust is easy to enter, there are following problems: the temperature adjustment accuracy of the potentiometer is easily reduced, and the potentiometer is easily deteriorated, the product life is short, and the number of maintenance inspections is high.

Method used

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Examples

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Embodiment 1

[0028] figure 1 It is an exploded perspective view of the temperature regulator of the first embodiment. figure 2 It is a sectional view of the temperature regulator of Example 1 of the present invention.

[0029] By passing the installation screw 2 through the installation hole provided on the wall 4 and the main body installation hole 6 provided on the back of the main body part 5 of the temperature regulator 1, and screwing the installation nut 3 on the installation screw 2, the temperature adjustment The device 1 is fixed on the wall 4.

[0030] Cover mounting holes 7 are provided on the front surface of the main body 5, and the cover 8 is fixed to the main body 5 from the front of the cover 8 with mounting screws 9. As shown in FIG. Holes 320 are provided on the upper surface and the lower surface of the main body portion 5 to serve as outlets for wiring necessary for connection with external devices, such as hollow pipes and wiring.

[0031] The inner case 11 is fix...

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Abstract

The present invention provides a temperature regulator which adopts a structure in which dust hardly enters the potentiometer, which can maintain high precision for a long time, and can prolong the product life, reduce maintenance frequency, and facilitate assembly in the factory. easy. Set the potentiometer mounting plate (21) on the front surface of the housing (20), set the cover (22) on the back, and at the same time, fix the potentiometer (17) on the potentiometer mounting plate (21), place the The potentiometer wiper (24) is housed in the housing (20) and the actuator piece (25) for transmitting the displacement of the set screw (208) to the potentiometer wiper (24) is held in the cover (22) on the inner wall.

Description

technical field [0001] The present invention relates to a thermostat provided with a thermal expansion type temperature-displacement conversion element. Background technique [0002] Such a temperature regulator is disclosed in Patent Document 1. Figure 14 Shows how the thermostat works. Specifically, the temperature regulator includes: a setting dial 401, a support shaft 402 that moves vertically with the rotation of the setting dial 401, a thermal expansion type temperature-displacement sensor that moves up and down with the movement of the support shaft 402 The conversion element, that is, the double diaphragm 404, the potentiometer 409 that generates the electric signal corresponding to the position of the contact piece 408 at the top of the elastic contact piece 407 through the up and down movement of the upper diaphragm 404 through the rod 405 and the button 406, according to this Signals can control the operating capabilities of air conditioning units or heating, co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/02
Inventor 伊藤力哉石塚保夫
Owner YAMATAKE HONEYWELL CO LTD
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