KR100924594B1 - Thermostat - Google Patents

Abstract

According to an embodiment of the present invention, a temperature sensing device includes a housing having a predetermined space, first and second contact members installed in the housing, an operation guide member for contacting the first and second contact members, and reacting with heat. It includes a thermal reaction member for driving the operation guide member.

The temperature sensing device according to another embodiment of the present invention includes a housing having a predetermined space, first and second contact members installed in the housing, an operation guide member for contacting the first and second contact members, and heat. And a thermal reaction member that reacts to drive the operation guide member, and a guide member that guides the operation of the operation guide member while allowing the thermal reaction member to be installed in the housing.

In addition, the temperature sensing device according to another embodiment of the present invention comprises a housing having a predetermined space, the first and second contact members installed in the housing, and the operation guide member for contacting the first and second contact members; A heat reaction member for driving the operation guide member in response to heat, the housing accommodated therein, and a first and second contact member, an operation guide member, and a cover member for protecting the heat reaction member accommodated inside the housing; It includes an insulating member for insulating between the housing and the cover member.

 Dual, simultaneous operation, temperature, sensing

Description

Temperature Sensor {Thermostat}

The present invention relates to a temperature sensing device, and more particularly, to a temperature sensing device installed in a heat sensing object to be switched by contacting the first and second contact members by sensed heat.

In general, the temperature sensing device is an electric device that detects a change in the ambient temperature and controls the on / off contact point by shorting and closing the contact according to the temperature change. In addition, a bimetal is provided in which warpage occurs in accordance with the temperature change, and a contact member that is contacted and shorted in accordance with the degree of warpage of the bimetal is provided.

As such a temperature sensing device, Utility Model Registration No. 433256, "Over-temperature and over-current breaker", has been proposed. The fixed contact plate and the movable contact plate are coupled to both sides of the lower plate by the first conductive pin and the second conductive pin, respectively, and the first connection end and the second connection end are respectively below the first and second conductive pins. The upper plate of the lower plate is composed of a combination of the upper plate is inserted into the guide pin for pressing the movable contact plate by a predetermined displacement.

By the way, the over-temperature and over-current circuit breaker can improve the contact reliability, but there is a problem that can not control a number of other devices interlocked with the contact.

The present invention was created in view of the above necessity, so that a plurality of contact members for controlling each other device at a predetermined temperature according to the detected heat by sensing heat in the heat sensing object to be contacted with one operation guide member It is an object of the present invention to provide a temperature sensing device.

A temperature sensing device according to an embodiment of the present invention for achieving the above object is to contact the housing having a predetermined space, the first and second contact members installed in the housing, and the first and second contact members. Operation guide member, and a thermal reaction member for driving the operation guide member in response to heat.

According to another aspect of the present invention, there is provided a temperature sensing device for contacting a housing having a predetermined space, first and second contact members installed in the housing, and the first and second contact members. It includes an operation guide member, a thermal reaction member for driving the operation guide member in response to heat, and a guide member for guiding the operation of the operation guide member while allowing the thermal reaction member to be installed in the housing.

According to still another aspect of the present invention, there is provided a temperature sensing device for contacting a housing having a predetermined space, first and second contact members installed in the housing, and the first and second contact members. An actuation guide member, a heat reaction member for driving the actuation guide member in response to heat, and the housing housed therein to protect the first and second contact members, the actuation guide member, and the heat reaction member housed therein. It includes a cover member, and an insulating member for insulating between the housing and the cover member.

Here, the operation guide member operates the first and second contact members at the same time, the operation guide member is a first operation unit for operating the first movable terminal provided with the first contact member, and in the first operation unit It is preferable to include a second operating part spaced apart to operate the second movable terminal provided with the second contact member.

The first and second movable terminals may include first and second elastic members each providing elasticity in a direction in which the first and second movable contacts are contacted or short-circuited to the first and second fixed contacts, respectively. Preferably, the first elastic member is operated, and the second operating part operates the second elastic member.

At this time, the second elastic member is preferably inserted into the second operation portion, the operating hole is engaged with the second operation portion is provided.

In addition, it is preferable that the second movable terminal has an insertion hole into which the second operation part is inserted, and the position of the second operation part is changed along the first operation part. Therefore, it is preferable that the second operation part is provided integrally with the first operation part.

On the other hand, between the guide member and the housing is provided with an installation portion for installing the thermal reaction member, the guide hole for guiding the operation guide member to reciprocate operation in accordance with the operation of the thermal reaction member in the installation portion It is preferable to include.

In addition, the installation unit is preferably formed in one selected from the housing and the guide member.

In addition, the cover member is open at one side is accommodated in the housing, it is preferable that the insulating member is installed on the open one side to seal the inside of the cover member to waterproof.

And the cover member preferably comprises a hook-shaped coupling portion to be installed on the heat sensing object.

As described above, the temperature sensing device of the present invention includes a first and second contact member and an operation guide member having a first operating portion and a second operating portion for contacting the first and second contact members, respectively, with different voltages and currents. Peripheral devices that use the can be interlocked with one operation guide member can simplify the structure according to the control.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the following description of the present invention, the terms defined are defined in consideration of functions in the present invention, and should not be understood as a meaning of limiting the technical components of the present invention.

1 is a cross-sectional view showing the inside of the temperature sensing device according to an embodiment of the present invention, Figures 2 to 3 are cross-sectional views taken along line A-A and line B-B of FIG. And Figure 4 is an operating state diagram of the temperature sensing device according to an embodiment of the present invention, Figure 5 is a cross-sectional view showing the operation guide member according to another embodiment of the present invention.

1 to 3, the temperature sensing device 100 of the present invention includes a housing 30 having a predetermined space, first and second contact members 10 and 20, an operation guide member 50, It is composed of a thermal reaction member 40 for driving the operation guide member 50 in response to heat.

Here, the housing 30 is provided to have a predetermined space portion 31 and is composed of a body having a shape of “c” and a cover covering the opening, the first contact member 10 and the space portion 31, The second contact member 20 is provided to be accommodated.

In this case, the first contact member 10 and the second contact member 20 are installed in the housing 30 but are electrically spaced apart from one side and the other side so as to generate different switching signals.

The first contact member 10 includes a first fixed terminal 11 having a first fixed contact 12 and a first movable contact 14 contacting the first fixed contact 12. It consists of the movable terminal 13. In this case, the first movable terminal 13 is provided with a first elastic member 15 so as to have elasticity, and the first movable contact 14 is installed on the first elastic member 15.

In addition, the second contact member 20 includes a second fixed terminal 21 having a second fixed contact 22 and a second movable contact 24 which is in contact with the second fixed contact 22. It consists of two movable terminals 23. In this case, the second movable terminal 23 is provided with a second elastic member 25 to have elasticity, and the second movable contact 24 is installed at the end of the second elastic member 25.

At this time, the first contact member 10 and the second contact member 20 is fixed not to flow in the housing (30). That is, the first fixed terminal 11 and the first movable terminal 13 of the first contact member 10 and the second fixed terminal 21 and the second movable terminal 23 of the second contact member 20. Is fixed to the housing 30. In this case, it may be fixed to the cover of the housing 30 in consideration of ease of installation and ease of manufacture of each terminal.

In addition, the first fixed terminal 11, the first movable terminal 13, the first elastic member 15, the second fixed terminal 21, the second movable terminal 23, the second elastic member 25 Is provided in a plate shape and is connected to an external cable or exposed to the outside so that an external connector (not shown) can be combined.

On the other hand, the thermal reaction member 40 is installed at the bottom to react with the temperature. The thermal reaction member 40 is formed by laminating a combination of alloys having different linear expansion coefficients according to temperature changes, and is composed of bimetals which generate warpage according to temperature changes.

The thermal reaction member 40 is installed in the housing 30, but is installed to be in close contact with or exposed to one side of the housing 30 to be deformed and driven by the transferred heat. Therefore, the housing 30 is made of a material having high thermal conductivity, and is provided with a mounting portion 34 in the form of a groove or a hole so that the thermal reaction member 40 can be installed.

At this time, the thermal reaction member 40 includes a guide member 60 for guiding the operation guide member 50 according to the driving of the thermal reaction member 40 while allowing the housing 30 to be fixed. In this case, between the guide member 60 and the housing 30, the installation parts 34 and 61 in which the thermal reaction member 40 is installed are provided to provide a bending working space according to the temperature change. In addition, the installation parts 34 and 61 may be formed only in the guide member 60.

Therefore, the thermal reaction member 40 is preferably provided in the same shape and different in size from the installation portion 34, 61 so that it can be accommodated in the installation portion (34, 61), the housing 30 and the guide member 60 Edges can be fixed.

The operation guide member 50 is reciprocated by the concave and convex inversion of the thermal reaction member 40. Therefore, the operation guide member 50 is installed in the center of the large concave and convex inverted variable width. The guide member 60 is formed with a guide hole 62 into which the operation guide member 50 is inserted so that the operation guide member 50 can reciprocate in the center of the thermal reaction member 40.

The operation guide member 50 is a first operation unit 51 for contacting the first contact member 10 so as to contact the first contact member 10 and the second contact member 20 at the same time according to the reciprocating operation. And a second operating portion 52 for contacting the second contact member 20.

Here, the first actuating part 51 and the second actuating part 52 of the actuating guide member are provided with pins having steps of different predetermined widths, thicknesses, or diameters. A second operating portion 52 is provided on the opposite end of the reaction member 40 and forms a step at a predetermined position in the center thereof.

Here, in another embodiment, the second operating part 52 is provided as a member for fastening or fitting the bolt to the first operating part 51 as shown in FIG. 5 so that its position may be varied in the first operating part 51. The time difference contact point and the short circuit of the first contact member 10 and the second contact member 20 may be adjusted by varying the stepped member.

The first contact member 10 and the second contact member 20 are operated by the operation guide member 50 so as to simultaneously drive the first contact member 10 and the second contact member 20. 50) are installed side by side in the operating direction. Here, the second fixed terminal 21, the second movable terminal 23, the first fixed terminal 11, and the first movable terminal 13 are arranged in order from the bottom to the top.

Therefore, the second operating part 52 presses the second elastic member 25 of the second movable terminal 23 to the second movable contact 24 at the second fixed contact 22 of the second fixed terminal 21. The first operating part 51 pressurizes the first elastic member 15 of the first movable terminal 13 to short the first movable contact 12 from the first fixed contact 12 of the first fixed terminal 11. Short circuit (14). In this case, the first elastic member 15 and the second elastic member 25 respectively include the first movable contact 14 and the second movable contact 24 to the first fixed contact 12 and the second fixed contact 22, respectively. Elasticity is applied in the direction of contact.

On the contrary, the second operating part 52 presses the second elastic member 25 of the second movable terminal 23 to the second movable contact 24 to the first fixed contact 22 of the second fixed terminal 21. The first operating part 51 is pressed against the first fixed contact 12 of the first fixed terminal 11 by pressing the first elastic member 15 of the first movable terminal 13. One movable contact 14 can be contacted. In this case, the first elastic member 15 and the second elastic member 25 may be elastically acted in a direction short-circuited to the first fixed contact 12 and the second fixed contact 22, respectively.

The second elastic member 25 has an operating hole 25a into which the second operating portion 52 of the operating guide member 50 is inserted and the second operating portion 52 is engaged. In addition, an insertion hole 23a is formed in the second movable terminal 23 to communicate with the operation hole 25a.

Here, the second operation part 52 is provided to be caught by the operation hole 25a of the second elastic member 25 or by the insertion hole 23a of the second movable terminal 23, and the insertion hole 23a. And the insertion hole 23a and the operation hole 25a are connected to the second operation terminal 23 to prevent deterioration of durability of the second movable terminal 23 and the second elastic member 25 due to the formation of the operation hole 25a. ) And the second elastic member 25 are formed to have a width equal to or less than 2/3, or a reinforcement part extending from both sides of the second movable terminal 23 and the second elastic member 25 in the width direction is formed.

Meanwhile, a partition 32 is formed in the space 31 of the housing 30 to prevent the first contact member 10 and the second contact member 20 from interfering with each other. Therefore, the space 31 is separated from each other where the first contact member 10 and the second contact member 20 is located, the operation guide member 50 is inserted in the center can be reciprocated. An entrance and exit hole 33 is provided. In addition, the operation guide member 50 is preferably provided with an insulating material so that the first contact member 10 and the second contact member 20 can be switched separately.

And a cover member 70 surrounding the housing 30 is provided. Here, the cover member 70 protects the first contact member 10 and the second contact member 20, the operation guide member 50, and the thermal reaction member 40 in a state in which the housing 30 is installed. This is to form an open receiving space of a predetermined size.

Coupling portion 71 is provided on the outside of the cover member 70 to be installed on the heat sensing object not shown. Therefore, the cover member 70 can be fixed to the heat sensing object. The coupling portion 71 is provided with a hook. And the heat sensing object may be provided with a coupling hole corresponding to the coupling portion (71).

And between the housing 30 and the cover member 70 is provided an insulating member 80 for waterproof and insulation. At this time, the insulating member 80 is preferably provided with an epoxy resin, and filling the insulating member 80 in a state in which the housing 30 is accommodated inside the cover member 70 to fill the inner housing 30. It insulates the entire area and seals it at the same time to maximize the waterproof effect.

At this time, before filling the insulating member 80, the first fixed terminal 11 and the first movable terminal 13 of each of the first contact member 10, and the second fixed terminal of the second contact member ( 21) and the second movable terminal 23 is charged with the cable connected.

Hereinafter, the operation of the temperature sensing device of the present invention will be described with reference to FIGS. 1 and 4.

First, as shown in FIG. 1, heat is generated in a heat sensing object not shown in a state in which the heat sensing object is not shown, and the generated heat is heated internally through the cover member 70 and the housing 30. Is passed. Here, the cover member 70 and the housing 30 is transmitted to the inside through the insulating member 80.

Thereafter, the transferred heat is transferred to the heat reaction member 40 in a concave state and reaches a predetermined temperature, and is inverted to a convex state as shown in FIG. 4. At this time, the operation guide member 50 is pressed simultaneously with the inversion, and the operation guide member 50 overcomes the elastic force of the first elastic member 15 in the first operation unit 51, and the second operation unit 52. In this case, the elastic force of the second elastic member 25 is overcome.

Then, when the operation guide member 50 is continuously raised, the first operation unit 51 raises the first elastic member 15 to short-circuit the first movable contact 14 at the first fixed contact 12. At the same time, the second operating portion 52 raises the second elastic member 25 to short-circuit the second movable contact 24 at the second fixed contact 22 at about the same time.

Therefore, both the first contact member 10 and the second contact member 20 are short-circuited by the operation of the operation guide member 50. In this case, when the position of the second operation unit 52 is changed, it may be shorted by a time difference.

After the predetermined time elapses, if the heat of the heat sensing object not shown, heat generated is transferred to the interior through the cover member 70 and the housing 30. Here, the cover member 70 and the housing 30 is transmitted to the inside through an insulating member.

Thereafter, the transferred heat is transferred to the convex thermal reaction member 40 and becomes a concave state when it reaches a predetermined temperature. At this time, the inversion and the actuation guide member 50 at the same time to release the pressure, the actuation guide member 50 is subjected to the elastic force of the first elastic member 15 in the first actuating portion 51, the second actuating portion ( 52, the elastic force of the second elastic member 25 is received.

Therefore, both the first contact member 10 and the second contact member 20 are contacted by the first elastic member 15 and the second elastic member 25. In this case, when the position of the second operation unit 52 is changed, the second operation unit 52 may be contacted with a time difference.

Although the technical idea of the temperature sensing device of the present invention has been described with the accompanying drawings, this is illustrative of the best embodiment of the present invention and is not intended to limit the present invention.

Therefore, it is obvious that any person skilled in the art can make various modifications and imitations such as dimensions, shapes, structures, etc. without departing from the scope of the technical idea of the present invention.

1 is a cross-sectional view showing the inside of the temperature sensing device according to an embodiment of the present invention.

2 is a cross-sectional view taken along the line A-A of FIG.

3 is a cross-sectional view taken along the line B-B in FIG.

Figure 4 is an operating state of the temperature sensing device according to an embodiment of the present invention.

5 is a cross-sectional view showing an operation guide member according to another embodiment of the present invention.

Claims (14)

A housing having a predetermined space; First and second contact members installed in the housing; An operation guide member for contacting the first and second contact members; And, Including a thermal reaction member for driving the operation guide member in response to heat, The operation guide member is a temperature sensing device, characterized in that for operating the first and second contact members at the same time. A housing having a predetermined space; First and second contact members installed in the housing; An operation guide member for contacting the first and second contact members; A thermal reaction member for driving the operation guide member in response to heat; And, It includes a guide member for guiding the operation of the operation guide member while allowing the thermal reaction member to be installed in the housing, The operation guide member is a temperature sensing device, characterized in that for operating the first and second contact members at the same time. A housing having a predetermined space; First and second contact members installed in the housing; An operation guide member for contacting the first and second contact members; A thermal reaction member for driving the operation guide member in response to heat; A cover member accommodated in the housing to protect the first and second contact members, the operation guide member, and the thermal reaction member accommodated in the housing; And, Insulating member to insulate between the housing and the cover member, The operation guide member is a temperature sensing device, characterized in that for operating the first and second contact members at the same time. delete The method according to any one of claims 1 to 3, The actuating guide member may include a first actuating part configured to actuate a first actuating terminal provided with the first contact member; And a second operating part spaced apart from the first operating part to operate a second movable terminal provided with the second contact member. The method of claim 5, The first and second movable terminals include first and second elastic members each providing elasticity in a direction in which the first and second movable contacts are in contact or short-circuited with the first and second fixed contacts. And the first operating part operates the first elastic member, and the second operating part operates the second elastic member. The method of claim 5, The second elastic member is the temperature sensing device, characterized in that the second operating portion is inserted, the operating hole is provided to the second operating portion is provided. The method of claim 5, The second movable terminal is a temperature sensing device, characterized in that the insertion hole is inserted into which the second operation unit is inserted. The method of claim 5, The second operating unit is a temperature sensing device, characterized in that the position of the variable along the first operating unit. The method of claim 5, And the second operating part is provided integrally with the first operating part. The method of claim 2, An installation part is provided between the guide member and the housing to install the thermal reaction member. And a guide hole for guiding the operation guide member to reciprocate according to the operation of the thermal reaction member in the installation unit. The method of claim 11, The installation unit is a temperature sensing device, characterized in that formed in the selected one of the housing and the guide member. The method of claim 3, The cover member is open at one side to accommodate the housing, the open side is the insulating member is installed, the temperature sensing device, characterized in that to seal the inside of the cover member to waterproof. The method of claim 3, The cover member is a temperature sensing device, characterized in that it comprises a hook-shaped coupling portion to be installed on the heat sensing object.

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