JPS63143601A - Detector with setting function - Google Patents

Abstract

PURPOSE:To rapidly and accurately perform the calibrating work of a set value by rotating and abutting an extruding part formed on the outer circumferential part of a shaft rotation regulating plate upon a stopper to regulate the rotational angle range of a rotary shaft of a setter body. CONSTITUTION:When a dial knob 116 is rotated, a projecting part 7c of the shaft rotation regulating plate 7 on a lower superposed position and a projecting part 7c of the plate 7 on an upper superposed position are abutted on the side end face of a stopper chip 110e of a blacket 110 on a prescribed rotational angle position in the clockwise and counterclockwise directions of said rotation. The upper limit value and lower limit value of the rotational angle range of the rotary shaft 115a are regulated by said abutting. Since the shaft rotation regulating plate 7 provided with the projecting part 7c is fitted to a dial collar part 116b of the dial know 116 and the rotational angle position of the dial knob 116 on the regulating plate 7 is continuously adjusted through its long holes 7b1, 7b2, the rotational angle regulating range of the rotary shaft 115a in the clockwise and counterclockwise directions can be continuously changed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a detector with a setting function suitable for use in an air conditioning control system.

[Conventional technology]

2. Description of the Related Art Conventionally, indoor temperature detectors as detectors with a setting function have been installed for controlling or detecting temperature inside buildings.

FIG. 29 is a side view showing a main part configuration of an example of a conventionally used indoor temperature detector. In the same figure, ■
is a printed circuit board, 2 is a variable resistor fixed to this printed circuit board 1, 3 is a temperature setting dial coupled and fixed to the rotation shaft 2a for adjusting the resistance value of this variable resistor 2, and 40 is floating on the printed circuit board 1. The temperature detection element is fixed in a fixed state.

The temperature detection element 40 uses a sensor element such as a thermistor whose resistance value changes depending on the temperature change, and this sensor element 40 and the variable resistor 2 are connected to the 31st
Wire the connection as shown in the figure, and connect the connection terminals 412 to 41.
The configuration is such that C is led out to the outside via a lead wire (not shown).

That is, in FIG. 31, if the output resistance value of the sensor element 40 is Rth, this output resistance value Rth changes depending on the indoor temperature. That is, by knowing the output resistance value Rth of this sensor element 40, it becomes possible to detect the indoor temperature in association with this. On the other hand, the 31st
In the figure, if the variable resistance value of the variable resistor 2 is Rs, this variable resistance value Rs is changed by rotating the temperature setting dial 3. That is, the change characteristics of the output resistance value Rth of the sensor element 40 with respect to the detected temperature, and the variable resistance value Rs corresponding to the set temperature indicated by the temperature scale 3c (FIG. 30) attached to the upper surface of the temperature setting dial 3. The output resistance value Rth of the sensor element 40 can be specified in association with the variable resistance value Rs for the set temperature, and the specified output resistance value Air conditioning is controlled to the set temperature by adjusting the room temperature to match Rth. In other words, this indoor temperature sensor has not only the function of detecting the indoor temperature but also the function of setting the indoor temperature.

As shown in FIG. 30, a plurality of through holes 3b are formed at approximately equal angular intervals on the outer circumferential flange surface 3a of the temperature setting dial 3, and protruding pieces 4 are inserted into selected two of these through holes 3b.
is detachably attached. That is, by inserting the pin portion 4a of the protruding piece 4 into the through hole 3b, the piece portion 4b is positioned to protrude from the upper surface of the outer peripheral flange surface 3a of the temperature setting dial 3. A stopper piece 6 is held and fixed at a predetermined position in the upper space of the outer circumferential flange surface 3a of the temperature setting dial 3 using a base 5 fixed to the printed circuit board 1. When the left and right protruding pieces 4 come into contact with the stopper piece 6 as the pieces rotate counterclockwise, the resistance value adjustment rotation shaft 2a of the variable resistor 2 is rotated.
The rotation angle range of is regulated. That is, the temperature scale 3 attached to the top surface of the temperature setting dial 3
The scope of use of C is now regulated. In the indoor temperature sensor configured in this way, the setting usage range of the temperature scale, that is, the regulation range of the rotation angle of the resistance value adjusting rotary shaft 2a is determined by the protruding piece 4 for each through hole 3b of the temperature setting dial 3. It can be adjusted as appropriate by selecting the insertion position. [Problems to be Solved by the Invention] However, with such a conventional indoor temperature sensor, the protruding piece 4 may fall during handling, such as during adjustment of the rotation angle regulation range of the resistance value adjustment rotary shaft 2a. Easy to lose;
Furthermore, as the diameter of the temperature setting dial 3 increases, there is a problem in that the overall structure cannot be made more compact. In addition, the upper and lower limits of the rotation angle regulation range and the temperature setting dial 3
There was also a functional problem in that it was difficult to match the set scale line of the rotation angle, and the upper and lower limits of the rotation angle regulation range became discontinuous variable adjustment values.

Furthermore, sensor elements and variable resistors have variations in their characteristics, and in order to correct these variations and make adjustments to obtain a correct output value, it is necessary to perform a so-called setting value calibration operation. That is, it is necessary to calibrate the variable resistance value corresponding to each setting scale part of the temperature scale 3C by changing the mounting rotation angle position of the temperature setting dial 3 with respect to the resistance value adjustment rotary shaft 2a. It required considerable effort. In other words, the indication line that should match the desired setting scale part of the temperature scale 3c is usually attached to the case cover (not shown) that covers the front side of the structure including the temperature setting dial 3, and This case cover must be removed when performing work. Then, there is no indication line to match the setting scale portion of the temperature scale 3C, and the standard for setting value calibration work is lost. For this reason, setting value calibration work is performed using a special jig during production, and the calibration work becomes even more difficult when calibrating it while it is placed on site (field calibration). Ta. Further, with such an indoor temperature detector, there is a problem that the positional relationship between the indicator line and each setting scale portion of the temperature scale 3C may shift each time the case cover is attached or detached.

[Means for solving problems]

The present invention has been made in view of these problems, and includes fixing a sensor element and a rotary axis adjustment type setting device body on a substrate, coupling and fixing a setting knob to the rotation axis of this setting device body, and fixing the setting knob to the rotation axis of the setting device body. A pointer is locked to the setting knob so that its rotational angular position can be adjusted, a scale plate forming a scale indicated by the pointer is further provided, and a stopper is located at a predetermined position in the outer circumferential space of the setting knob; A shaft rotation regulating plate is locked to the setting knob so that its rotational angle position can be continuously adjusted, a protrusion is formed on the outer circumference of the shaft rotation regulating plate to rotationally oppose the stopper, and this shaft rotation regulating plate The rotation angle range of the rotation shaft of the setting device main body is regulated by bringing the protrusion into rotational contact with the stopper.

[Effect]

Therefore, according to the present invention, the rotational angular position of the pointer can be adjusted on the setting knob in accordance with the scale part of the scale plate, and the rotational angular position of contact of the protruding part of the shaft rotation regulating plate with respect to the stopper can be set. It can be changed continuously on the knob.

〔Example〕

Hereinafter, the detector with setting function according to the present invention will be explained in detail. Figure 2 (al and fbl are a partially cut-away front view and a cut-away side cross-section showing an example of this indoor temperature sensor as a detector with a setting function installed on a field wall (double-dashed line in the figure). 1. In the figure, 10 is a base bracket unit, 11 is a sensor unit, and 12 is a case cover unit.The sensor unit 11 has each component mounted on its printed wiring board 111 as shown in FIG. A predetermined wiring pattern is formed on the surface of the printed wiring board 111, as shown in FIG. 3 in a sub-assembled state.The exposed terminal portions 112a and 112b, one end and the other end of the lead leg of the thermistor 113 as a temperature detection element (sensor element) are electrically and mechanically connected and fixed by solder, and the connecting terminal portions 112C to
Lead legs of a terminal block 114 (FIGS. 4 and 5) for connection with external leads are soldered to 112e from the back side of the printed wiring board 111. In addition, variable resistors 1 are connected to the exposed terminal portions 112f to 112h of the wiring pattern.
15 lead legs are electrically and mechanically connected and fixed by solder, and a rotating shaft 115a for adjusting the resistance value of the variable resistor 115 is arranged to protrude from the back side of the printed wiring board 111 to the front side, and this rotation Serrations are carved on the outer peripheral surface of the shaft 115a. And this rotating shaft 11
A dial knob 116 made of a resin material is attached to the dial knob 5a (FIG. 1), a side sectional view of which is shown in FIG.

The dial knob 116 is attached to the rotating shaft 115a through a large diameter hole 116a having serrations.
The dial knob 116 is integrally fixed to the rotating shaft 115a by this press fitting, and as the dial knob 116 rotates, the rotating shaft 1
15a rotate together.

In addition, since the mechanical holding strength of the variable resistor 115 is insufficient only by soldering the lead legs, the bracket 110 is connected to the resistor body 115C via the insulating substrate 115b, as shown in FIG. The bracket 110 is fixed to the back side of the printed circuit board 111 via the claws of the bracket 110.

That is, the bracket 110 has upright molds 1 at its four corners.
10a to 110d are formed, and this vertical mold 110
a to 110d are inserted into through holes opened opposite to the printed circuit board 111, and their protruding ends are fixed with solder. By fixing the variable resistor 115 to the printed circuit board 111 in this manner, mechanical rotational holding strength is ensured when the dial knob 116 is rotated, and the variable resistor 115 is prevented from rotating. In addition to the upright types 110a to 110d, the bracket 110- also includes
A through hole 111 opened facing the printed circuit board 111
A stopper piece 110e having a rLJ-shaped cross section and extending upwardly from the substrate surface is inserted through the substrate a and is formed to extend. The outer periphery of the dial flange 116b of the dial knob 116 is provided with a knurling 1116c in a predetermined angle range.
As shown in FIG. 8, protruding pawls 116d and 116e are formed at the starting and ending ends of the knurled groove 116C to protrude in the outer radial direction. Further, two ring-shaped disc-shaped shaft rotation regulating plates 7 as shown in FIG. 9 are attached to the dial flange 116b of the dial knob 116 with their front and back sides overlapped with each other. That is, the hollow hole 7a of the shaft rotation regulating plate 7 is formed to be slightly larger than the outer diameter of the head step 116f of the dial knob 116, and the hollow hole 7a is inserted into the head step 116f, and the circular plate surface thereof is 7b is placed on the dial flange 116b of the dial knob 116. Arc-shaped elongated holes 7b+ and 7bg are formed in the disk surface 7b of the shaft rotation regulating plate 7, and holes extending in the outer radial direction are formed at predetermined rotational angle positions on the outer periphery of the disk surface 7b. A convex portion 7C is formed. Further, the shaft rotation regulating plate 7 is formed with a stopper piece 7d that rises from a predetermined position on the outer peripheral edge surface of the disc surface 7b in a substantially rLJ shape for adjusting the movement position, and a dial knob 116. An insert nut 8 is embedded in the dial flange 116b (FIG. 8) at a position corresponding to the elongated holes 7b+ and 7bz of the shaft rotation regulating plate 7. In other words, the two shaft rotation regulating plates 7 are placed on the dial flange 116b of the dial knob 116 with their front and back sides overlapped (FIG. 10).
The small screw 9 is screwed into the insert nut 8 of the dial flange 116b through the elongated hole 7b and 7b2, and the two shaft rotation regulating plates 7 are formed by the seat surface of the small screw 9 and the surface of the dial flange 116b. is held under pressure. At this time, the convex portion 7C of the shaft rotation regulating plate 7 is positioned to protrude in the outer radial direction from the outer peripheral portion of the dial flange portion 116b of the dial knob 116,
By rotating the dial knob 116 in the clockwise and counterclockwise directions, that is, by rotating it clockwise and counterclockwise in FIG. The convex portion 7C is the bracket 1
The positional relationship is such that the stopper piece 110e rotates in contact with the side end surface of the stopper piece 110e rising from the stopper piece 110e.

Therefore, when the dial knob 116 is rotated, at the predetermined rotation angle positions in the clockwise and counterclockwise directions, the convex portion 7c of the shaft rotation regulating plate 7 in the lower stacked position and the convex portion 7C of the shaft rotation regulating plate 7 in the upper stacked position. comes into contact with the side end surface of the stopper piece 110e of the bracket 110, and this contact limits the upper and lower limits of the rotational angle range of the rotating shaft 115a. This rotating shaft 115a
It goes without saying that the adjustment range of the variable resistance value of the variable resistor 115 is restricted by regulating the rotation angle range of the variable resistor 115.

On the other hand, returning to FIG. 1, on the printed wiring board 111,
As shown in FIG.
a ~ 1lld (Fig. 4) and is attached to the claw portion 1 that protrudes from the back side of the printed wiring board 111.
The tips of 17a to 117d are firmly fixed by twisting them using a tool such as pliers. A small diameter hole 116h (
The pointer 118 is fixed using a self-tapping screw 119 (Fig. 1 and
figure). The coupling force between the dial knob 116 and the rotating shaft 115a of the variable resistor 115 is set to be stronger than the rotational force of the self-tapping screw 119 that is applied when the pointer 118 is fixed. There is no possibility that the fitting position between 116 and the rotating shaft 115a will shift. A set temperature display scale 117e is printed on the front surface of the scale plate 117, and a pointer 11 is printed on the upper surface of the set temperature display scale 117e.
It is arranged so that the tip of No. 8 is located. Also,
A stopper piece 118a is formed at the rear end of the pointer 1180 and falls down in an oval shape. In addition, the thermistor 113
The height position of the scale plate 117 is set lower than the upper end surface of the scale plate 117, and the lead leg and the sensor section are hidden by the frame surface of the scale plate 117. The structure is designed to prevent damage to the thermistor 113. Furthermore, the wiring pattern on the printed wiring board 111 includes
Exposed inspection terminal portions 1121 to 112k are formed to extend and connect to the connection terminal portions 112C to 112e.

The base bracket unit 10 is shown in FIG.
As shown in the front and side views of FIG.
However, by inserting the square hole 102a into the claw portion 101a on the lower back of the pace bracket main body 101,
It is fixed by bending down. Both shoulders 101b at the upper end of the pace bracket main body 101 are bent into an oval shape.
As shown in FIG. 14, a notch 101C opening outward is formed at the distal end of the notch 101C, and a set screw 103 with a hexagonal hole is screwed into the bent base end from an oblique direction. Further, the lower end surface portion 102b of the support fitting 102 is bent at an acute angle, and both end surfaces 102c thereof are formed to extend narrowly, and the tip surface 102d thereof is bent at an obtuse angle with respect to the base surface. . A notch 102e that opens inward is formed in this distal end surface 102d (FIG. 14), and by using this notch 102e and a notch 101c formed in the pace bracket main body 101,
1 can be attached with one touch. That is, as shown in FIG. 1, the printed wiring board 111 of the sensor unit 11 has cutout step portions 111f and 111g formed on its upper and lower end surfaces, and the cutout step portion 111g on the lower end surface is a 15th cutout step portion 111g. As shown in Figure (a), the printed wiring board 111 is fitted into the notch 102e of the support fitting 102 from an oblique direction, and while pushing down the printed wiring board 111 against the biasing force of the support fitting 102, the notch step 1 on the upper end surface of the printed wiring board 111 is pressed down.
11f into the notch 101c of the pace bracket main body 101 as shown in FIG. 15(b), it can be attached with one touch.

The gap size hl (FIG. 16) of the notch 102e formed in the support metal fitting 102 is set to such a size that the vertical gap size h2 is approximately equal to the thickness of the printed wiring board 111. In addition, the pace bracket body 10
Needless to say, the width h3 of the notch 101c (FIG. 14) is set to be approximately equal to the thickness of the printed wiring board 111. It is maintained with minimal play. The sensor unit 11 is attached to the pace bracket unit 10 with the base bracket unit 10 fixed to the wall at the site, as shown in FIG.

The case cover unit 12 has a front view shown in FIG. 17 and a rear view shown in FIG.
21 and a temperature indicator assembly 122 fixed to the inside back side of the case cover 121.
1 has viewing windows 121a and 121b formed on its front surface, and the sensor unit 1 is formed on the edge of the viewing window 121a.
A set temperature display scale corresponding to the set temperature display scale 117a attached to the scale plate 117 of No. 1 is attached. Furthermore, a temperature indicator needle assembly 12 is provided on the edge surface of the viewing window 121b.
A temperature display scale is provided on the side of the front surface of the case cover 121.
As shown in FIG. 9, a predetermined step is provided, and a plurality of square hole-shaped ventilation windows 121C are provided at equal intervals around the entire circumference. Elongated holes 121e as shown in FIG. 20 are opened on both sides of the upper surface portion 121d, and the lower surface portion 12
A dial relief hole 121g as shown in FIG. 21 is provided approximately at the front center of 1f. Also, case cover 1
On the inner surface of the rear cover of the lower surface portion 121f of 21, protruding claws 121h with a wall thickness of t are formed spaced apart on both sides (FIGS. 18 and 19). has an R chamfer.

On the other hand, the temperature indicator assembly 122 includes a pointer 122a shown in FIG. 17 and a scale brake 122 shown in FIG.
b and a bimetallic thermometer assembly 122C, and the bimetallic thermometer assembly 122c has its supporting plate 1.
It is fixed to the scale plate 122b via 22d. FIG. 22 is a front view of this temperature indicator assembly 122, in which a temperature scale is attached to the surface of the scale plate 122b, and the pointer 122a is a driving force corresponding to the detected temperature of the bimetallic thermometer assembly 122C. This allows it to move on a temperature scale. Fixed legs 122e are formed extending toward the back surface from four locations on the outer circumference of the scale plate 122b, and the temperature indicator assembly 122 is attached to the internal space of the case cover 121 via the fixed legs 122e. There is. That is, case cover 121
, there is a joint 121j that connects adjacent ventilation windows 1210.
A plurality of joints 121j are formed (Fig. 19), and this joint 121j
A stud portion 121k is integrally formed in correspondence with the fixed leg 122e of the scale plate 122b of the temperature indicator assembly 122. That is, the fixed legs 122e of the scale plate 122b are fixed to this stand part '121k by heat welding, and the temperature indicator assembly 122 is attached to the case cover 1.
It is arranged at a predetermined position in the internal space of 21. With this arrangement, the ventilation of the ventilation window 121C is not hindered, that is, good air circulation inside the case cover 121 is maintained, and highly sensitive room temperature detection is possible. In addition, since the stud portion 121k is formed on the joint portion 121j that joins the ventilation windows 1210, when the case cover 121 is viewed from the front side, sink marks that occur when forming the stud portion are not noticeable, which is advantageous in terms of design. Become. Furthermore, since the temperature indicator assembly 122 can be easily and quickly attached to the case cover 121, productivity can also be improved.

(For fixing the case cover configured like this)
12 is placed in front of the sensor unit 11 fixed to the wall at the site, as shown in FIG. 2 fb). The arrangement of the case cover unit 12 on the sensor unit 11 is such that the protruding claw 121h formed on the rear part of the lower end surface 121f of the case cover 121 is connected to the base bracket unit l-
A bent piece 102f (
(Fig. 13) and the wall surface. That is, the gap h4 between the bent piece 102f of the support fitting 102 and the wall surface (FIG. 23) is set smaller than the wall thickness t of the protruding claw 121h of the case cover 121. Fold the piece 1
When inserted into the gap between 02f and the wall, the bent piece 102f
The biasing force acts on the protruding claw 121h, and the case cover unit 12 comes into close contact with the wall surface. A long hole 12 formed in the upper surface portion 121d of the case cover 121
Insert a special hexagonal wrench from 1e and tighten the hexagonal hole setscrew 1 screwed onto the base bracket unit 10.
03 until its head 103a comes into contact with the inner surface of the case cover 121. By doing this, the case cover unit 12 is placed in the front part of the sensor unit 11 in close contact with the mounting wall surface without wobbling, and the set screws for fixing the case cover are not exposed on the surface part. Therefore, it has a good design and is rich in interior decoration.

Next, a method of calibrating the set value of the indoor temperature sensor configured as described above and placed on the wall surface of the field, that is, a method of field calibration will be described. That is, when air conditioning is being controlled, if there is a discrepancy between the set temperature set using the pointer 118 and the actual temperature indicated by the pointer 122a of the bimetallic thermometer, field calibration is performed. This field calibration is performed by removing the case cover unit 12, and while checking the output value via the inspection exposed terminals 1121 to 112k of the printed wiring board 111, the output value is adjusted to correct the error by adjusting the variable resistor 115. The variable resistance value is adjusted, and the indicated value indicated by the pointer 118 is made to match the set temperature corresponding to this adjusted value. That is, the dial knob 116 is rotated to maintain the resistance value of the variable resistor 115 at a predetermined value, that is, the rotation angle position of the rotating shaft 116a is fixed at a predetermined position, and the self-tapping screw 119 is loosened to free the pointer 118. shall be. And this guideline 11
The rotational angular position of the pointer 118 is made to match the position indicating the correct set temperature, and the self-tapping screw 119 is tightened to fix the rotational angular position of the pointer 118.

At this time, the hook formed at the rear end of the pointer 118 is attached to the stopper piece 11.
By placing your finger on 8a, the pointer 118 can be prevented from rotating. In this way, case cover unit 1
2, field calibration of the set temperature can be performed from the front face side, so that the calibration work is easier and faster than in the past, and the calibration accuracy is also more accurate.

Furthermore, although field calibration has been described above, the same can be done when producing the sensor unit 11 alone.
Needless to say, the calibration work can be performed, and at this time, the output status can be confirmed from the front face side of the printed wiring board 111 using the exposed inspection terminals i112i to 112k. Connection terminal block 11 placed on the back side of 111
Compared to the method of using the terminal portion of No. 4, the calibration work is simpler, the productivity is greatly improved, and the product cost is thereby significantly reduced.

After completing the calibration in this manner, the head of the self-tapping screw 119 is threaded as shown by diagonal lines in FIG. 2+al.

Furthermore, in the indoor temperature sensor configured in this way, the upper and lower limits of the rotation angle range of the variable resistor 1150 rotation shaft 115a, that is, the regulation range of the rotation angle of the rotation shaft 115a, are determined by the shaft rotation regulation. Dial flange 116 of plate 7
It is possible to adjust as appropriate by changing the attachment rotation angle position in b. That is, the rotation angle position of the dial knob 116 of the shaft rotation regulating plate 7 can be continuously shifted within the opening range of the elongated holes 7b+ and 7bz by loosening the small screw 9. After shifting 7 clockwise or counterclockwise, the small screw 9 is firmly tightened to fix it at the changed rotational angular position. Figure 24 shows the first
This is an example in which the restricted rotation angle range α in Fig. 0 is expanded to β. In this case, the small screw 9 is retightened by shifting the shaft rotation regulating plate 7 in the lower stacked position counterclockwise and the shaft rotation regulating plate 7 in the upper stacked position clockwise. The rotation angle position of the shaft rotation regulating plate 7 can be adjusted more smoothly by placing a finger on the stopper piece 7d.

As described above, according to this embodiment, the shaft rotation regulating plate 7 having the convex portion 7c is attached to the dial flange portion 116b of the dial knob 116, and the dial knob of this shaft rotation regulating plate 7 is attached. 116! Since the rotational angle position of the rotary shaft 115a can be continuously adjusted through the elongated holes 7b and 7bz, the regulation range of the rotational angle of the rotary shaft 115a in the clockwise and counterclockwise directions can be continuously varied. . In addition, the rotation angle regulation range can be adjusted by simply loosening the small screw 9, and there is no need to remove the shaft rotation regulation plate 7 itself.With this adjustment mechanism, the conventional problem of handling the shaft rotation regulation plate 7 can be adjusted. There is no risk of falling or losing adjustment mechanism parts. Furthermore, since the shaft rotation regulating plate 7 can sufficiently perform its function even if it is small, the dial knob 116 can be made smaller in diameter, and the indoor temperature sensor can be made lighter and more compact.

In addition, since the volume of the detection module 24 inside the case cover is reduced, ventilation is improved and detection response is improved.
This also improves the responsiveness of detecting temperature changes. Further, the rotation angle position of the shaft rotation regulating plate 7 can be adjusted using a dial knob 116.
Since this can be done on the front face side of the rotary shaft 115a, it is extremely easy to adjust the regulation range of the rotation angle of the rotating shaft 115a, and it is also possible to easily handle adjustment work in the field.

In this embodiment, two shaft rotation regulating plates 7 are stacked, but it is not necessarily necessary to stack two plates 1, and a single shaft rotation regulating plate 71 as shown in FIG. 25 may be used. Also, the regulation range of the rotation angle can be sufficiently adjusted. That is, convex portions 71a and 71b are formed at predetermined rotation angle intervals on the outer circumference of the shaft rotation regulating plate 71, and the dial knob 11 of the convex portions 71a and 71b
By shifting the rotation angle position in 6 within the opening range of the long holes 71c and 71d, it becomes possible to adjust the upper and lower limits of the rotation angle regulation range of the rotation shaft 115a. In the case of the two-ply shaft rotation regulating plate shown in FIG. 10, it was possible to adjust not only the upper and lower limits of the rotation angle range of the rotating shaft 115a, but also the absolute value of the rotation angle range. Shaft rotation regulating plate 7 shown in Fig. 25
In case 1, only the upper and lower limits of the rotation angle range can be adjusted, and the absolute value cannot be adjusted. From this point of view, it is appropriate to call the shaft rotation regulating mechanism shown in FIG. 10 a free range type, and the shaft rotation regulating mechanism shown in FIG. 25 a fixed range type. Alternatively, a shaft rotation regulating plate 72 as shown in FIG. 26 may be used. In this case, since only one convex portion (722) is formed on the outer circumference, the upper limit of the rotation angle range or Only the lower limit value can be adjusted. In FIG. 10, it goes without saying that the protruding claws 116d and 116e of the dial knob 116 are effective when the dial knob 116 is alone when the shaft rotation regulating plate 7 is removed. When the plate is attached, this protruding claw 11
6d and 116e may be omitted as shown in FIGS. 25 and 26.

Further, in this embodiment, the stopper piece 110e is constructed to be raised from the bracket 110, but it does not necessarily have to be formed to extend from the bracket 110, and may be provided by being fixed independently to the printed circuit board 111, etc. Possible placement methods are:

Further, in this embodiment, the variable resistor 115 and thermistor 113 are mounted on the printed circuit board 111, but it goes without saying that the present invention is not limited to printed circuit boards and can be applied to various types of circuit boards.

Note that the sensor unit 11 is connected to the pace bracket unit 1.
When removing the sensor unit from 0, it is sufficient to perform the reverse procedure as explained using FIG. 15(a) and middle). In the state shown in FIG. 15(a) when the sensor unit is removed, Since the h1 dimension is wider than the board thickness of the printed wiring board 111, the problem that the printed wiring board 111 and the support metal fitting 102 become engaged and difficult to remove does not occur, and damage to the support metal fitting 1.02 can be prevented.

In addition, in this embodiment, an indoor temperature sensor has been explained as an example, but FIG. 27(a) shows a side sectional view thereof, and FIG. The present invention may be applied to a temperature detector for an air duct such as the above.In the case of this detector, the temperature detection part 131 is arranged to extend so as to touch the circulating air flowing in the air duct 132. Further, as shown in FIG. 28, it may be applied to a temperature sensor for liquid pipes in which the connecting portion 133 between the main body and the temperature detection portion is hermetically sealed, and various temperature sensors may be used. In addition, in this embodiment, the temperature is detected using a thermistor as a sensor element, but the present invention is not limited to a temperature sensor, and can be applied to various sensor elements such as a humidity sensor. Furthermore, it goes without saying that the regulation of the rotation angle range of the rotating shaft is not limited to variable resistors, but can be applied to various setting devices including regulators.

〔Effect of the invention〕

As explained above, according to the detector with a setting function according to the present invention, the sensor element and the rotary axis adjustable setting device body are fixed on the substrate, and the setting knob is coupled and fixed to the rotation axis of the setting device body. A pointer is locked to the setting knob so that its rotational angular position can be adjusted, a scale plate forming a scale indicated by the pointer is further provided, and a stopper is located at a predetermined position in the outer circumferential space of the setting knob; A shaft rotation regulating plate is locked to this setting knob so that its rotational angle position can be continuously adjusted, and a protrusion that rotationally faces the stopper is formed on the outer circumference of the shaft rotation regulating plate. The rotation angle range of the rotation axis of the setting device body is regulated by making it come into rotational contact with the 7 pad, so align the rotation angle position of the pointer with the scale part of the scale plate from the front side of the setting knob. This makes it possible to quickly and accurately calibrate the set value.

In addition, by continuously varying the rotation angle of the shaft rotation regulating plate with respect to the setting knob, the contact rotation angle position of the protrusion of the shaft rotation regulating plate with respect to the stopper can be continuously varied. It becomes possible to continuously adjust the regulation range of the rotation angle of the rotation shaft.

[Brief explanation of the drawing]

Figure 1 is a front view of the sensor unit that is the main component of the indoor temperature sensor shown in Figure 2;
al and (bl are a partially cutaway front view and a cutaway side sectional view showing an indoor temperature sensor installed on a wall surface at a site, which is an embodiment of a detector with a setting function according to the present invention, and FIG. 1 is a front view showing a sub-assembled state of the sensor unit, FIG. 4 is a rear view showing a sub-assembled state of this sensor unit, FIG. 5 is a side view showing a sub-assembled state of this sensor unit, and FIG. The figure is a side cross-sectional view showing the dial knob attached to the rotating shaft of the variable resistor of this sensor unit.
The figure is a side cross-sectional view of the main part showing details of how the variable resistor is attached to the printed circuit board in this sensor unit.
The figure is a plan view of the dial knob, Figure 9 is a plan view of the shaft rotation regulating plate attached to this dial knob, and Figure 10 is a plan view of the shaft rotation regulating plate attached to the dial knob connected to the rotating shaft of the variable resistor. FIG. 11 is a plan view of the sensor unit shown in FIG. 1, FIG. 12 is a front view of the pace bracket unit used when installing this sensor unit on the wall at the site, and FIG. The figure is a side view of this pace bracket unit, Figure 14 is a plan view of this pace bracket unit, Figure 15 is a side view illustrating the operation of attaching the sensor unit to the pace bracket unit, and Figure 16 is the pace bracket unit. Fig. 17 is a front view showing the case cover unit 7 that covers the front part of the sensor unit, and Fig. 18 is the back side of the case cover unit. Figure 19 is a side sectional view of the case cover constituting this case cover unit, Figure 20 is a plan view of the case cover, Figure 21 is a bottom view of this case cover, and Figure 21 is a bottom view of this case cover.
Figure 2 is a front view showing the temperature indicator assembly attached to this case cover, Figure 23 is a side view showing the gap between the bent piece formed on the support fitting and the wall surface, and Figure 24 is the
A plan view showing a state in which the rotation angle position of the shaft rotation regulating plate is adjusted to widen the regulation rotation angle in the figure, No. 25
26 and 26 are plan views showing other examples of attachment of the shaft rotation regulating plate to the dial knob, and FIGS. 27(a) and 27(b) show an example in which the present invention is applied to an air duct temperature sensor. FIG. 28 is a side view of a temperature sensor for liquid pipes to which the present invention is applied, and FIG. 29 is a conventional indoor temperature sensor. FIG. 30 is a plan view thereof, and FIG. 31 is a wiring diagram showing a connection state between a sensor element and a variable resistor in this indoor temperature sensor. 7... Shaft rotation regulating plate, 7b,, 7b2... Long hole, 7
C...Convex portion, 8...Insert nut, 9...Small fi element, 11...Sensor unit, 111...Printed wiring board, 113...Thermistor, 115...
Variable resistor, 115a... Rotating shaft, 116... Dial knob, 116b... Dial flange, 110e...
・Stopper piece, 117...Scale plate, 117
e... Set temperature display scale, 118... Pointer, 119
...Self-tapping screw. Patent Applicant Yamatake Honeywell Co., Ltd. Agent Kazuo Yamakawa (and 2 others) CD ℃- JP-A-63-143GO1 (11) fj: I l+--'s plan. D 5 Mano 3℃ t)′”- L″g(Uo 0 = 1
≧ Turn - to tatami ・, )ie ＼ Notes Figure 28 Figure 29 Knee ball Figure 30 Figure 31

Claims (1)

[Claims] A sensor element and a rotary axis adjustable setting device body fixed on a substrate, a setting knob coupled and fixed to the rotation axis of the setting device body, and a setting knob locked to the setting knob so that its rotational angular position can be adjusted. A pointer body, a scale plate forming a scale indicated by the pointer body, a stopper located at a predetermined position in the outer peripheral space of the setting knob, and a rotation angle position of the setting knob can be continuously adjusted. and a shaft rotation regulating plate formed with a protrusion that rotationally opposes the stopper on its outer periphery, and by bringing the protrusion of the shaft rotation regulating plate into rotational contact with the stopper. A detector with a setting function, characterized in that the rotation angle range of the rotation axis of the setting device main body is regulated.