JPH019070Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Purpose of the Invention] (Field of Industrial Application) The present invention relates to a temperature-sensitive switch in which at least a plurality of temperature-sensitive reed switches are arranged and fixed in parallel on a mounting plate.

(Problems to be solved by conventional technology and inventions) Conventional switches of this kind, such as electric appliances such as electronic jars and electric pots, which have a heating and heat retention device, have a function that occurs when a predetermined part is heated to a predetermined temperature or higher. There is a device equipped with a temperature fuse for electrically interrupting the operating circuit and a temperature-sensitive reed switch for maintaining a predetermined temperature at a predetermined temperature.

This can include, for example, a temperature-sensitive switch as described in Japanese Patent Application Laid-open No. 141370 of 1982. As shown in FIG. 1, the above-mentioned temperature-sensitive switch is constructed by inserting and fixing a temperature fuse 2 and a temperature-sensitive reed switch 3 into the cylindrical parts 1a and 1b at both ends of the metal fin 1, respectively, and fixing the switch at an intermediate position of the metal fin 1. It is attached to another member by passing a screw through a mounting hole 4 provided in the holder.

By the way, there is a demand for a device in which multiple temperature-sensitive reed switches are mounted on one fixture (metal fin), and for this purpose, when trying to fix two temperature-sensitive reed switches by applying the above conventional example, The following problems arise.

For example, when fixing the first and second temperature-sensitive reed switches 2 and 3 to the cylindrical parts 1a and 1b at both ends, adhesive is poured into the gap between the two and the temperature-sensitive reed switches 2 and 3 are placed inside each cylindrical part 1a and 1b. Although the reed switch 3 is fixed, it is necessary to pour the adhesive into the cylindrical parts 1a and 1b at both ends twice, which impedes work efficiency.

Since the mounting hole 4 is provided in the middle of the metal fin 1, there are restrictions on the mounting location.

The present invention was developed in view of the above circumstances, and its purpose is to be able to easily install the switch without any restrictions on the mounting location, to be able to fix at least a plurality of temperature-sensitive reed switches in parallel, and to provide a temperature-sensitive reed switch that To provide a temperature-sensitive switch which can be easily fixed and has high work efficiency.

[Structure of the invention] (Means for solving the problem) In order to achieve the above-mentioned object, the present invention has a mounting part at one end of the mounting plate made of a material having good thermal conductivity and flexibility; First and second curved holding parts, which are formed by cutting and bending the end of a mounting plate, are arranged in two rows in parallel at different positions on a line from the one end to the other end, and one curved holding part is arranged in parallel at different positions on a line from the one end to the other end. The part is a pair of narrow curved parts arranged at a predetermined interval, and the other curve holding part is a fixture consisting of a single wide curved part provided at a corresponding position between the pair of narrow curved parts. , a first temperature-sensitive reed switch inserted into the wide curved portion and fixedly held via an adhesive; and a protective member made of the same material as the mounting plate adhesively fixed to the circumferential surface of the intermediate portion. The device is characterized in that it includes a second temperature-sensitive reed switch attached so that the pair of narrow curved portions are located on both sides of the protection member.

(Function) One temperature-sensitive reed switch has a protective member pre-adhesively fixed with resin and is fixed to a pair of narrow curved parts, and the other temperature-sensitive reed switch is fixed to a wide curved part and then fixed with resin. Therefore, when assembling the temperature-sensitive reed switch to the fixture, only one injection of adhesive is required, which improves work efficiency. In addition, the mounting part of the fixture is biased toward one end and is made of flexible material, so it can be easily mounted no matter what shape the object is, and there are no restrictions on where it can be mounted. There isn't.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

FIG. 2 is a perspective view showing a first embodiment of the present invention. In the figure, reference numeral 10 denotes a mounting plate made of a material with good thermal conductivity, such as aluminum, copper, phosphor bronze, or brass.
has a mounting hole 12, which is an example of a mounting part, on one side, and a plurality of holding parts for holding a plurality of temperature sensing elements (described later) in parallel on the mounting plate 10 in different rows on the other side. A wide curved portion having a pair of narrow curved portions 13, 13 formed opposite to each other with an interval, and a wide curved portion formed by shifting the rows of the pair of narrow curved portions 13, 13 to a position closer to the mounting hole 12 direction side. 14.

As a method for obtaining the above-mentioned mounting plate 10, for example, 1
Prepare a plate-shaped body, form a mounting hole 12 in one end, make two notches at a predetermined interval in the other end, and bend the pieces of both sides separated by the notches by external force. The narrow curved portions 13, 13 may be obtained by forming the narrow curved portions 13, and the intermediate piece may also be similarly bent by an external force to form the wide curved portion 14. Note that before mounting the temperature sensing element, the pieces 13', 13' constituting the narrow curved parts 13, 13 should be in a flat or upright position as shown in FIGS. 3A and 3B. It is not necessary to form a curve in advance. Therefore,
The material of this mounting plate 10 must be a flexible material that is relatively easy to bend.

Returning to FIG. 2, what is indicated by 16 is a temperature sensing element such as the wide curved portion 14 and the narrow curved portions 13, 13.
These are temperature-sensitive reed switches fixed in different rows. The temperature-sensitive reed switch 16 located between the narrow curved portions 13 has a protective member 51 curved so that both ends thereof face each other and are spaced apart from each other fitted onto the circumferential surface thereof and fixed with adhesive in advance to form the temperature-sensitive reed switch 16. It consists of Note that the protective member 51 is made of aluminum or the like having the same thickness as the mounting plate 10. In particular, by providing the protective member 51, it is possible to prevent destruction or damage when the temperature-sensitive reed switch 16, which has relatively low strength against bending, is fixedly held on the mounting plate 10. Furthermore, if the window portion 51A of the portion where both longitudinal end lines of the protection member 51 are spaced apart from each other is directed upward, the adhesive can be injected from this portion. Furthermore, since this protective member 51 is made of the same material and has the same thickness as the mounting plate 10, its bottom surface is located on the same line as the bottom surface of the mounting plate 10, making it a good heat transfer member. .

When fixing the temperature-sensitive reed switch 16 as described above, the temperature-sensitive reed switch 16 is held and fixed by pressing the narrow curved parts 13, 13 with external force, and the other temperature-sensitive reed switch 16 is also fixed. The temperature-sensitive reed switch is held by being inserted into the wide curved part 14, and the gap between the wide curved part 14 and the temperature-sensitive reed switch 16 is filled with an adhesive such as silicone resin or epoxy resin. 16 is fixed. At this time, a portion of the inner wall of the wide curved portion 14 is brought into contact with the circumferential surface of a temperature-sensitive magnetic body (not shown) in at least one temperature-sensitive reed switch 16. Protective member 51
The relationship between the temperature-sensitive reed switch 16 and the other temperature-sensitive reed switch 16 is also similar. This is because, as mentioned above, these serve as heat transfer members.

The temperature-sensitive switch 50 in which the temperature-sensitive reed switches 16 are fixed in parallel by the mounting plate 10 in this manner is attached to another member by passing screws through the mounting holes 12 provided in the mounting plate 10.

As described above, the temperature-sensitive switch 5 shown in the above embodiment
0 has a pair of narrow curved parts 13, 13 and a wide curved part 14 in which the temperature-sensitive reed switches 16 are arranged in different rows, so that they can be easily held and fixed in parallel on one side of the mounting plate 10, and the wide curved part Since it is sufficient to inject adhesive fixing resin only when fixing the temperature-sensitive reed switch 16 inside the temperature-sensitive reed switch 14, it is possible to contribute to improving the efficiency of the assembly work. In addition, since the pair of narrow curved parts 13, 13 and the wide curved part 14 for holding and fixing the temperature-sensitive reed switch 16 are arranged biased to one side of the mounting plate 10, the mounting hole 12 can be freely adjusted according to the purpose. The position and number of the parts can be changed, and there are no restrictions on the mounting location, and it can be easily mounted to other members.

In particular, since the mounting plate can be deformed, even if the mounting location is a curved surface or has an uneven shape, it can be mounted in accordance with these shapes and is not subject to any restrictions.

4A and 4B are a perspective view and a side view showing a second embodiment of the present invention. The same members as those shown in FIG. 2 are given the same reference numerals, and detailed explanation thereof will be omitted. The difference is that the window portion 51A of the protection member 51 is
The temperature-sensitive switch 60 is constructed by bringing the temperature-sensitive switch 60 into contact with the back surface of the wide curved portion 14. In particular, with this configuration, it is possible to reliably prevent the temperature-sensitive reed switch 16 from rotating within the narrow curved portion 13 as a result of the window portion 51A being locked to the back surface of the protection member 51.

FIG. 5 is a perspective view showing a third embodiment of the present invention. The same members as those shown in FIG. 2 are given the same reference numerals, and detailed explanation thereof will be omitted. The difference is that
Another pair of narrow curved portions 71, 71 are formed outside the narrow curved portions 13, 13 in different rows, and a temperature fuse 15 into which a temperature sensing element, for example, an insulating tube 17 is fitted, is attached and fixed thereto. Temperature sensitive switch 70
This is what constituted the following. The process of obtaining the mounting plate 10 in this case is also almost the same as that of the first embodiment,
Pieces 71', 7 forming the narrow curved parts 71, 71
1' may be in a flat or upright position as shown in FIGS. 6A and 6B, and does not necessarily need to be curved in advance. Note that the narrow curved portions 71, 7
It is also possible to form a temperature-sensitive switch by forming narrow curved portions in different rows outside of the temperature-sensitive device 1 and attaching and fixing four or more temperature-sensitive elements.

As shown in FIG. 7, the wide curved portion 14 for holding and fixing the temperature-sensitive reed switch 16 may be provided with a notch 14a in part to facilitate injection of adhesive fixing resin.

The embodiments described above are merely examples, and it goes without saying that further modifications can be made within the scope of the gist of the present invention.

[Effects of the invention] As detailed above, according to the invention, there are no restrictions on the installation location and it can be easily installed, and at least a plurality of temperature-sensitive reed switches can be fixed in parallel. Temperature sensing devices such as reed switches can be easily installed and fixed in parallel, and a temperature sensing switch with high working efficiency can be provided.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an example of a conventional temperature-sensitive switch, Fig. 2 is a perspective view showing the first embodiment of the present invention, and Figs. 3A and B are perspective views showing the same mounting plate before assembly. Figures 4A and 4B are perspective views and side views showing the second embodiment of the invention, Figure 5 is a perspective view showing the third embodiment of the invention, and Figures 6A and B are both before assembly. FIG. 7 is a perspective view showing a modification of the wide curved portion. DESCRIPTION OF SYMBOLS 10... Mounting plate, 12... Mounting part, 13... Holding part, 14... Holding part 1, 16... Temperature-sensitive reed switch, 51... Protective member, 71... Holding part.

Claims (1)

[Scope of utility model registration request] A mounting plate made of a material with good thermal conductivity and flexibility has a mounting part at one end, and a first and second curved holding part formed by cutting and bending the end of the mounting plate at the other end. 2 at different positions on the line from one end to the other end.
They are arranged in parallel in a row, one of the curved retaining parts being a pair of narrow curved parts arranged at a predetermined interval, and the other of the curved retaining parts being provided at a position corresponding to between the pair of narrow curved parts. a first temperature-sensitive reed switch which is inserted into the wide curved part and fixedly held via an adhesive; It is characterized by comprising a protective member made of the same material as the mounting plate, and a second temperature-sensitive reed switch mounted such that the pair of narrow curved portions are located on both sides of the protective member. Temperature-sensitive switch.