JP6763039B2 - How to disconnect overheated power from a switch or equipment that uses electricity - Google Patents

Description

The present invention relates to a method for cutting overheated electric power of a switch or equipment using electricity, and in particular, unlike a method for cutting a fuse and a bimetal, it is a superheated breaking member capable of performing breakage without depending on the passage of electric current, and has thermal energy. It relates to a method of cutting off overheating power of a switch or an equipment using electricity, which performs destruction through transmission of electricity and causes the switch to cut off the continuity.

The conventional rocker switch controls the connection or disconnection of the switch by reciprocating and pivoting the control switch within a certain angle range. For example, the Republic of China Patent No. 560690 "Spark shielding structure of the changeover switch" , A connection or disconnection is formed by positioning the switch at a first position or a second position using a positioning member when the switch is pivoted.

"Improvement of switch structure on wire" of Republic of China Patent No. 321352 discloses a switch structure with a fuse, but since the fuse is arranged in the path of the power supply line, the protective action is the current. It depends on the passage, especially the fuse can be blown only by the overload current, and it is necessary to pass the current when the fuse operates, while the fuse can be blown only when the current is excessive. Therefore, low melting point lead-tin alloys and zinc are often used to make fuses, but their conductivity is far inferior to that of copper. Taking an extension outlet as an example, the extension outlet mainly uses copper as a conductor, but when the extension outlet is combined with the switch of Republic of China Patent No. 321352 to control the power supply, the conductivity of the fuse is not excellent and energy is used. Consumption problems are likely to occur.

The Republic of China Patent No. M382568 "Bimetal Automatic Disconnection Safety Switch" discloses a bimetal type overload protection switch, but the bimetal must also be placed in the path through which the current passes, and the current Deformation occurs due to passage, and the bimetal can only be deformed by an overloaded current to interrupt the electric circuit.

The Republic of China Patent No. M250403 "Structure of Overload Protection Switch Used for Group Outlet" discloses an overload protection switch applied to an extension outlet, and the overload protection switch of the patent is equipped with a bimetal. When the total power of the entire extension outlet is exceeded, the bimetal is deformed by heat and automatically trips, shutting off electricity and achieving a protective effect. However, the overload protection action of the bimetal needs to depend on the passage of electric current, and the conductivity of the bimetal is lower than that of copper, so that the problem of energy consumption is likely to occur.

In addition, overloading of the current causes overheating, and taking an extension outlet as an example, overheating of any outlet may occur in any of the following situations.

1. 1. When the metal blade of the plug is severely oxidized and the metal blade is covered with oxide, when the plug is inserted into the outlet, the resistance increases due to the oxide having poor conductivity, and the outlet overheats.

2. 2. When the metal blade of the plug is inserted into the outlet, the insertion is insufficient and only local contact is made, and an excessive contact area leads to overheating of the outlet.

3. 3. The metal blade of the plug is deformed or worn, the contact when plugged into the outlet is incomplete, and the too small contact area causes the outlet to overheat.

4. Foreign matter (dust, dirt, etc.) adheres to the metal blade of the plug or the metal piece of the outlet, resulting in poor conductivity, high resistance, and overheating.

Under the above circumstances, there is a large difference between the operating temperature of the outlet and the operating temperature of the overload protection switch.

In the US Patent Application No. US9698542, "Assembly and method of primary slotted slots sharing an overheating destructive fixing experiment, the temperature of the BL In test 2, if the overheated outlet is located at position 10 of the TABLE 2 experiment and the overload protection switch is located at position 1 of the TABLE 2 experiment, the distance between the two is 9 cm. It was found that the operating temperature of the outlet reached 202.9 ° C, and after 25 minutes, the operating temperature of the overload protection switch was only 110.7 ° C. In other words, when the distance between the outlet and the overload protection switch is 9 cm, the operating temperature of the outlet has already overheated to 202.9 ° C, and when there is a possibility of a combustion accident, the bimetal of the overload protection switch is Still at 110.7 ° C, the temperature of deformation has not been reached and the overload protection switch will automatically trip and not shut off electricity.

There are many situations in which an outlet can overheat, and the distance between the outlet and the bimetal of the overload protection switch can create a very large temperature difference, so to effectively achieve overheat protection, overheat each outlet of the extension outlet. A load protection switch should be installed, but the bimetal type overload protection switch is relatively expensive, and if it is installed in all the outlets of the extension outlet, the price will inevitably increase significantly, and on the contrary, it will be widely used. It will be disadvantageous.

Republic of China Patent No. 560690 Chinese Patent No. CN1034441019 Republic of China Patent No. 321352 Republic of China Patent No. M382568 Republic of China Patent No. M250403 U.S. Patent Application No. US9698542

Based on the above causes, in order to overcome this drawback, an object of the present invention is to provide a method for cutting off overheated power of a switch.

The superheated power cutting method of the present invention comprises a step of forming a seesaw shape on the movable conductive member with the first conductive member as a fulcrum, and urging the movable conductive member to the first side with respect to the fulcrum by the first elastic force. A step of applying a first torque to the movable conductive member, a step of applying a second elastic force to the movable conductive member, and a step of applying a second torque in the direction opposite to the first torque to the movable conductive member. A step in which an overheat breaking member that receives and receives a first elastic force is installed and the overheat breaking member can be broken at a predetermined temperature, and when the first torque is larger than the second torque, the movable conductive member causes the first. The step of conducting the 1 conductive member and the 2nd conductive member to form a connected state, and when the overheat fracture member is destroyed, the first elastic force becomes smaller or lost, and the first torque becomes the first torque. It includes a step of making the movable conductive member smaller than 2 torques, separating the movable conductive member from the second conductive member by the second torque, and forming a cut state between the first conductive member and the second conductive member.

The method for cutting off the overheated power of the equipment using electricity of the present invention uses the above-mentioned method for cutting off the overheated power of the switch to control the power on / off of the equipment using electricity, and the first conductive member and the first conductive member. 2 The conductive member is bridge-connected on the live-line power supply path or the neutral-line power supply path of the equipment that uses the electricity.

Further, in the cutting state, the first elastic force urges the movable conductive member to the second side with respect to the fulcrum, and applies a power cutting torque in the direction opposite to the first torque to the movable conductive member. be able to.

Further, the predetermined temperature can be between 80 ° C. and 300 ° C.

Further, the superheat fracture member can be made of a plastic material.

Further, the superheat fracture member can be made of metal or alloy. The alloy can be a tin bismuth alloy, or additional cadmium, indium, silver, tin, lead, antimony, copper, or a combination is added to tin and bismuth.

Further, the first elastic force and the second elastic force can be generated by a spring, a spring piece or rubber.

Further, the operating member is pivoted to an on position or an off position at a pivoting point to change the position where the first elastic force urges the movable conductive member, and the operating member is in the on position. When the first elastic force applies the first torque to the movable conductive member and the operating member is in the off position, the operating member applies the first elastic force to the movable conductive member. A step of urging the movable conductive member to the second side with respect to the fulcrum and applying a power cutting torque in the direction opposite to the first torque to the movable conductive member, and applying the first elastic force to the contact member to cause the contact member to break overheat. A step of pressing against a member to generate a frictional resistance force, a step of installing a third elastic force to act on the operating member, and a step of the operating member being in the on position and the overheat breaking member being destroyed. When not, the third elastic force acts on the operating member and applies an off torque to the operating member, the off torque is insufficient to overcome the frictional resistance force, and the operating member is turned on. It includes a step of being held in the position of, and a step of the off torque overcoming the frictional resistance force when the overheat breaking member is destroyed, and a step of pivoting the operating member to the off position.

Based on the above technical features, the following effects can be achieved.

1. 1. After the operating temperature is too high and the superheat fracture member is destroyed, the second torque becomes larger than the first torque, the movable conductive member is separated from the second conductive member by the second torque, and the switch is automatically switched. In the disconnected state, even if the operating member is switched to the on position or the off position, the switch is always maintained in the disconnected state, and the operator uses an external force to force the operating member to the on position. Even if (for example, tape is applied to fix the operating member in the on position), the switch is always maintained in the disconnected state.

2. 2. Since the overheat destruction member is not on the current transmission path and does not carry the current transmission, when the present invention is used for an electric appliance product or an extension outlet, even if the conductivity of the overheat destruction member does not reach that of copper, the electric appliance or extension outlet Does not directly affect the power performance of.

3. 3. Taking the application of extension cords as an example, if one heat-destructive power disconnection switch is placed at each outlet of the extension cord, safety is guaranteed when using each outlet corresponding to each switch. Will be done. This makes it possible to improve the disadvantage that the price of the conventional bimetal is high and one overload protection switch must be shared by a plurality of outlets. Moreover, even if the outlet outlet, which is relatively far from the overload protection switch, is already overheated and the temperature rises, the phenomenon that the overload protection switch does not reach the trip temperature does not occur.

4. After the superheat fracture member is destroyed, the first elastic force is reduced or lost, and the third elastic force provides an off torque for the operating member, which quickly and reliably pivots to the off position. Can be supported.

It is sectional drawing which shows Example 1 of this invention, and shows the structure of a rocker switch and the rocker switch is in an off position. It is a three-dimensional appearance view of the rocker switch of Example 1 of this invention. It is sectional drawing which shows Example 1 of this invention, and shows that the rocker switch is in an on position. It is sectional drawing which shows Example 4 of this invention, and when the superheat breaking member is broken by superheat, the movable conductive member separates from the 2nd conductive member, and the rocker switch forms a power cut. Is shown. It is sectional drawing which shows Example 1 of this invention, and when the superheat breaking member is broken by superheat, the movable conductive member separates from the 2nd conductive member, and the rocker switch is a position from the on position to the off position. Indicates that a power cut is formed. It is sectional drawing which shows Example 2 of this invention, and shows the structure of a rocker switch and the rocker switch is in an off position. It is sectional drawing which shows Example 2 of this invention, and shows that the rocker switch is in an on position. It is sectional drawing which shows Example 2 of this invention, and when the superheat breaking member is broken by superheat, the movable conductive member is detached from the 2nd conductive member, and the rocker switch is a position from the on position to the off position. Indicates that a power cut is formed. It is sectional drawing which shows Example 3 of this invention, and shows the structure of a rocker switch and the rocker switch is in an off position. It is a three-dimensional appearance view of the movable conductive member of Example 3 of this invention. It is sectional drawing which shows Example 3 of this invention, and shows that the rocker switch is in an on position. FIG. 5 is a cross-sectional view showing Example 3 of the present invention. When the overheat fracture member is destroyed by overheating, the movable conductive member is detached from the second conductive member, and the rocker switch is in a position of off from an on position. Indicates to return to. It is sectional drawing which shows Example 4 of this invention, and shows the structure of a rocker switch and the rocker switch is in an off position. It is sectional drawing which shows Example 4 of this invention, and shows that the rocker switch is in an on position. FIG. 5 is a cross-sectional view showing Example 4 of the present invention. When the overheat fracture member is destroyed by overheating, the movable conductive member separates from the second conductive member, and the rocker switch is in a position of off from an on position. Indicates to return to. It is sectional drawing which shows Example 5 of this invention, and shows the structure of a rocker switch and the rocker switch is in an off position. It is a three-dimensional appearance view of the movable conductive member of Example 5 of this invention, and the appearance view of the 2nd convex part. It is sectional drawing which shows Example 5 of this invention, and shows that the rocker switch is in an on position. FIG. 5 is a cross-sectional view showing Example 5 of the present invention. When the overheat fracture member is destroyed by overheating, the movable conductive member is detached from the second conductive member, and the rocker switch is in a position where the rocker switch is turned off from an on position. Indicates to return to. It is sectional drawing which shows Example 6 of this invention, and shows the structure of a rocker switch and the rocker switch is in an off position. It is a three-dimensional appearance view of the movable conductive member of Example 6 of this invention. It is sectional drawing which shows Example 6 of this invention, and shows that the rocker switch is in an on position. FIG. 6 is a cross-sectional view showing Example 6 of the present invention. When the overheat fracture member is destroyed by overheating, the movable conductive member is detached from the second conductive member, and the rocker switch is in a position of off from an on position. Indicates to return to. It is sectional drawing which shows Example 7 of this invention, and shows the structure of a rocker switch and the rocker switch is in an off position. It is a three-dimensional appearance view of the 2nd elastic member of Example 7 of this invention. It is a three-dimensional appearance view from another angle of the 2nd elastic member of Example 7 of this invention. It is a three-dimensional appearance view of the rocker switch of Example 7 of this invention. It is sectional drawing which shows Example 7 of this invention, and shows that the rocker switch is in an on position. FIG. 5 is a cross-sectional view showing Example 7 of the present invention. When the overheat fracture member is destroyed by overheating, the movable conductive member is detached from the second conductive member, and the rocker switch is in a position of off from an on position. Indicates to return to.

The main effects of the method of cutting off the superheated power of the switch or the equipment using electricity of the present invention by integrating the above technical features will be described in detail below with examples.

In the cross-sectional view showing each embodiment described later, the related operation state and torque will be described first as follows.

The rocker switch operating members 61A, 61B, 61C, 61D, 61E, 61F, 61G can be switched between an on position and an off position.

The power cutting torque means that when the operating members 61A, 61B, 61C, 61D, 61E, 61F, 61G are in the off position, the first elastic force is the movable conductive members 4A, 4B, 4C, 4D, 4E, 4F, 4G. The torque that causes the movable conductive members 4A, 4B, 4C, 4D, 4E, 4F, and 4G to turn clockwise around the fulcrum of the first conductive member 2A, 2B, 2C, 2D, 2E, 2F, and 2G. Point to.

The first torque is that when the operating members 61A, 61B, 61C, 61D, 61E, 61F, 61G are in the ON position, the first elastic force is the movable conductive members 4A, 4B, 4C, 4D, 4E, 4F, 4G. Torque that causes the movable conductive members 4A, 4B, 4C, 4D, 4E, 4F, and 4G to turn counterclockwise around the fulcrum of the first conductive member 2A, 2B, 2C, 2D, 2E, 2F, and 2G. Point to.

The second torque means that the second elastic force acts on the movable conductive members 4A, 4B, 4C, 4D, 4E, 4F, and 4G, and the movable conductive members 4A, 4B, 4C, 4D, 4E, 4F, and 4G are the first. It refers to the torque that turns clockwise around the fulcrum of the conductive members 2A, 2B, 2C, 2D, 2E, 2F, and 2G.

The off torque means that the third elastic force acts on the operating members 61A, 61B, 61C, 61D, 61E, 61F, 61G, and the operating members 61A, 61B, 61C, 61D, 61E, 61F, 61G are pivotally attached to the 610A. , 610C, 610D, 610E, 610F, 610G. Refers to the torque for turning counterclockwise.

First, FIGS. 1 and 2 show a superheat failure switch according to a first embodiment of the present invention. In this embodiment, it is a rocker switch, and FIG. 1 shows a state in which the rocker switch is off. The rocker switch includes a seat body 1A, a first conductive member 2A and a second conductive member 3A, a movable conductive member 4A, a superheat fracture member 5A, an operation unit 6A, and a second elastic member 7A.

The seat body 1A includes a storage space 11A.

Both the first conductive member 2A and the second conductive member 3A are bored in the seat body 1A.

The movable conductive member 4A is installed in the storage space 11A, and the movable conductive member 4A straddles the first conductive member 2A to form a seesaw having the first conductive member 2A as a fulcrum. To. The movable conductive member 4A has a first side 41A and a second side 42A located on both sides of the fulcrum facing each other.

When the operating temperature rises abnormally, it is best to cut the live-line circuit. Therefore, the first conductive member 2A is the first end of the live-line for use, and the second conductive member 3A is the second live-line for use. It is an end and can be bridge-connected on the live-line power supply path of equipment that uses electricity, and the movable conductive member 4A makes the first conductive member 2A and the second conductive member 3A conductive and active. A wire circuit can be formed. However, the present invention is not limited to this, and a bridge connection may be made on the neutral line power supply path.

The superheat fracture member 5A is fractured under a predetermined temperature, and the predetermined temperature is 80 ° C. to 300 ° C. Unlike the power cutting technique of a fuse or bimetal, the overheated breaking member 5A is not used for conducting a current to maintain a continuous supply of electric current. Therefore, for example, plastic (thermosetting). Insulating materials such as (including sex plastics or thermoplastics) can be selected and used, or low melting point alloys of non-insulating materials can be selected and used. The low melting point alloy can be a tin bismuth alloy, or an alloy of tin and bismuth with one or more of cadmium, indium, silver, tin, lead, antimony, and copper added, or any other. It may be a low melting point metal or alloy having a melting point of 80 ° C. to 300 ° C., for example, a tin bismuth alloy has a melting point of about 138 ° C. Therefore, the fracture method of the superheat fracture member 5A can include any one of softening, melting, liquefaction, vaporization, deformation, rifting, thermal decomposition, and coking. Here, it should be noted that the superheat fracture member 5A can be integrally molded of the same material, but can also be made of different materials.

The rocker switch of the present embodiment further includes an operation unit 6A, and operates the movable conductive member 4A to communicate the first conductive member 2A and the second conductive member 3A to form a live wire circuit. The conduction between the first conductive member 2A and the second conductive member 3A is cut, and a cut is formed in the live wire. The operation unit 6A is incorporated on the seat body 1A, includes an operation member 61A and a first elastic member 62A, the operation member 61A is provided with a pivot point 610A, and the pivot point 610A is attached to the seat body 1A. It is pivotally attached and can be reciprocally pivoted to the operating member 61A to an on position or an off position within a certain limit with the pivoting point 610A as an axis. The operating member 61A further includes an accommodating pipe portion 611A and a contact member 612A, and the superheat fracture member 5A and the first elastic member 62A are inserted and installed in the accommodating pipe portion 611A, and the first elastic member 62A is the first elastic member 62A. It is compressed and regulated between the contact member 612A and the superheat fracture member 5A, and a first elastic force can be generated. Although the first elastic member 62A employs a spring in this embodiment, it may be a spring piece, rubber, or the like. In addition, the positions of the first elastic member 62A and the superheat fracture member 5A may be interchanged with each other.

The rocker switch of this embodiment further includes a second elastic member 7A, and the second elastic member 7A is a spring in this embodiment, but may be a spring piece, rubber, or the like, and the second elastic member 7A is a second elastic member. It has an elastic force, and the second elastic force can act on the movable conductive member 4A. For example, the seat body 1A includes a storage tank 12A used for installing the second elastic member 7A in the storage space 11A, and the storage tank 12A and the second elastic member 7A are the first conductive member 2A and the second. It is located between the conductive members 3A, and one end of the second elastic member 7A protrudes into the storage tank 12A and corresponds to the movable conductive member 4A.

In FIG. 1, the rocker switch is in the off state, and the operating member 61A is in the off position. The first elastic force of the first conductive member 2A is urged on the second side 42A of the movable conductive member 4A with respect to the fulcrum, a power cutting torque is applied to the movable conductive member 4A, and the movable conductive member 4A has the power. It is arranged at a position away from the second conductive member 3A by the cutting torque, and a cut state is formed in the first conductive member 2A and the second conductive member 3A.

Subsequently, FIG. 3 shows a state in which the operating member 61A is switched to the on position. When the operating member 61A is operated to pivot around the pivoting point 610A, the contact member 612A slides on the movable conductive member 4A, and the movable conductive member 4A starts from the second side 42A. The movable conductive member 4A can be selectively brought into contact with the second conductive member 3A in a motion form like a seesaw by sliding to the first side 41A, and the movable conductive member 4A and the second conductive member 4A can be brought into contact with the second conductive member 3A. Since all the members 3A are in contact with each other at the silver contacts 31A and 411A, the resistance and the temperature rise can be reduced. When the contact member 612A slides to the first side 41A, the first elastic force of the first elastic member 62A applies a first torque to the movable conductive member 4A, and further, a second of the second elastic member 7A. An elastic force acts on the movable conductive member 4A to apply a second torque in the direction opposite to the first torque to the movable conductive member 4A. At this time, the first torque is larger than the second torque, and the movable conductive member 4A conducts the first conductive member 2A and the second conductive member 3A to form a connected state.

Subsequently, as shown in FIGS. 3 and 4, when an abnormal state occurs in the external conductive equipment connected to the first conductive member 2A or the second conductive member 3A, for example, when the external conductive equipment is an outlet. If there is oxide or dust between the metal blade of the plug and the outlet, the metal blade is not inserted completely, or the metal blade is deformed, abnormal heat energy will be applied to the conductive part of the outlet. Generated, the thermal energy is transmitted to the movable conductive member 4A via the first conductive member 2A or the second conductive member 3A, and further, the overheat fracture member 5A via the contact member 612A and the first elastic member 62A. The overheat fracture member 5A absorbs the thermal energy and is destroyed (including phenomena such as softening, melting, liquefaction, vaporization, deformation, rupture, thermal decomposition, and coking). For example, when the material of the overheat fracture member 5A is a tin bismuth alloy, its melting point is 138 ° C., but the rigidity starts to be lost when approaching the melting point, and at the same time, the action of the first elastic force of the first elastic member 62A. Underneath, the destroyed portion 51A of the overheated breaking member 5A moves under the pressure of the first elastic member 62A, and the first elastic force of the first elastic member 62A becomes smaller or lost, and the first elastic member 62A is reduced or lost. The torque becomes smaller than the second torque. Under this state, as shown in FIG. 4, the second elastic force 7A is urged so that the second elastic force is relatively small as compared with FIG. 4A, and the second torque is the movable conductive member. The 4A can be lifted, the silver contacts 31A and 411A are separated from each other, a cut state is formed, and the purpose of overheat protection is achieved. As shown in FIG. 4A as compared with FIG. 4, when the second elastic force of the second elastic member 7A is a larger urging arrangement, the movable conductive member 4A is lifted higher and the contact member 612A gains momentum. The movable conductive member 4A slides toward the second side 42A, the operating member 61A is pivotally moved around the pivot point 610A, and the operating member 61A moves to an off position. A cut state is formed in the first conductive member 2A and the second conductive member 3A, and the purpose of overheat protection is achieved. Both of the above-described embodiments shown in FIGS. 4 and 4A are feasible examples of the present invention.

Since the second elastic member 7A acts directly on the movable conductive member 4A, the second torque generated by the second elastic member 7A becomes larger than the first torque after the overheat fracture member 5A is destroyed. At this time, even if the operating member 61A is further operated to the on position by an external force, the movable conductive member 4A does not conduct the second conductive member 3A, and the cut state can be reliably maintained. ..

Subsequently, FIG. 5 shows Example 2 of the present invention. The seat body 1B, the first conductive member 2B, the second conductive member 3B, the movable conductive member 4B, and the superheat fracture member, which are substantially the same as those in the first embodiment and all have substantially the same form and arrangement relationship. Includes 5B, an operating unit 6B, and a second elastic member 7B. Both the first conductive member 2B and the second conductive member 3B are bored in the seat body 1B. The movable conductive member 4B is straddled over the first conductive member 2B, and the form of a seesaw having the first conductive member 2B as a fulcrum is formed. The movable conductive member 4B has a first side 41B and a second side 42B located on both sides of the fulcrum facing each other. The operation unit 6B also includes an operation member 61B and a first elastic member 62B. The main difference between Example 2 shown in FIG. 5 and Example 1 shown in FIG. 4 above is that in Example 2, a third elastic member 8B is further installed, and the third elastic member 8B is the operating member 61B. It is at a point of generating an off torque that provides a third elastic force acting on the operating member 61B and pivots the operating member 61B around a pivot point 610B.

Specifically, the first convex portion 63B is provided at a position corresponding to the second side 42B of the operating member 61B, and the second convex portion 10B is provided at a position corresponding to the first convex portion 63B of the seat body 1B. Both ends of the third elastic member 8B are fitted to the first convex portion 63B and the second convex portion 10B, respectively.

Subsequently, as shown in FIG. 6, when the operating member 61B is operated to pivot around the pivot point 610B, the contact member 612B slides on the movable conductive member 4B and the movable conductive member 4B. The movable conductive member 4B can be selectively brought into contact with the second conductive member 3B in a motion mode like a seesaw by sliding from the second side 42B of the member 4B to the first side 41B. Since both the movable conductive member 4B and the second conductive member 3B come into contact with each other at the silver contacts 31B and 411B, resistance and temperature rise can be reduced. When the contact member 612B slides to the first side 41B, the first elastic force of the first elastic member 62B applies a first torque to the movable conductive member 4B, and further, a second of the second elastic member 7B. An elastic force acts on the movable conductive member 4B to apply a second torque in the direction opposite to the first torque to the movable conductive member 4B. At this time, the first torque is larger than the second torque, and the movable conductive member 4B conducts the first conductive member 2B and the second conductive member 3B to form a connected state. When the operating member 61B is in the on position and the superheat fracture member 5B is not destroyed, the third elastic force acts on the operating member 61B and applies the above-mentioned off torque to the operating member 61B. However, the off torque is not sufficient to overcome the frictional resistance between the contact member 612B and the movable conductive member 4B, and the operating member 61B can be held in the on position.

Subsequently, reference is made to FIGS. 6 and 7. After the overheat fracture member 5B is destroyed, the first elastic force of the first elastic member 62B becomes small or lost, and at this time, the second torque is sufficient to lift the movable conductive member 4B, and the silver contacts 31B and 411B. The operating member 61B can be quickly and reliably pivoted to the off position in order to separate them from each other and the off torque overcomes the frictional resistance between the contact member 612B and the movable conductive member 4B. it can.

Subsequently, FIG. 8 shows Example 3 of the present invention. The seat body 1C, the first conductive member 2C, the second conductive member 3C, the movable conductive member 4C, and the overheated fracture, which are substantially the same as those in the first embodiment and all have substantially the same form and arrangement relationship. The member 5C, the operation unit 6C, and the second elastic member 7C are included. Both the first conductive member 2C and the second conductive member 3C are bored in the seat body 1C. The movable conductive member 4C is straddled over the first conductive member 2C, and the form of a seesaw having the first conductive member 2C as a fulcrum is formed. The movable conductive member 4C has a first side 41C and a second side 42C located on both sides of the fulcrum facing each other. The operation unit 6C also includes an operation member 61C and a first elastic member 62C. The main difference between the third embodiment and the first embodiment described above is that the second elastic member 7C is connected between the movable conductive member 4C and the operating member 61C.

More specifically, as shown in FIGS. 8 and 9, the movable conductive member 4C further includes a first connecting portion 412C, the first connecting portion 412C is located on the first side 41C, and the operating member 61C. A second connecting portion 64C is provided at a position corresponding to the first connecting portion 412C, and both the first connecting portion 412C and the second connecting portion 64C are, for example, locking holes, and both ends of the second elastic member 7C. The hook portion 71C of the above can be locked.

Subsequently, as shown in FIG. 10, when the user operates the operating member 61C to pivot around the pivoting point 610C, the contact member 612C moves on the movable conductive member 4C on the first side. The movable conductive member 4C can be slid to 41C, and the movable conductive member 4C can be selectively brought into contact with the second conductive member 3C in a motion form like a seesaw, and the movable conductive member 4C and the second conductive member 3C are Since all of them come into contact with the silver contacts 31C and 411C, the resistance can be suppressed. When the contact member 612C slides to the first side 41C, the first elastic force applied by the first elastic member 62C applies a first torque to the movable conductive member 4C. The force applied by the second elastic member 7C to the movable conductive member 4C is defined as the second elastic force, and the second elastic force acts on the movable conductive member 4C, and the movable conductive member 2C is used as a fulcrum. A second torque is formed in the direction opposite to the first torque that pivots the member 4C. The first torque is larger than the second torque, and the movable conductive member 4C conducts the first conductive member 2C and the second conductive member 3C to form a connected state.

Subsequently, as shown in FIGS. 10 and 11, the superheat fracture member 5C absorbs the heat energy and is destroyed (softening, melting, liquefaction, vaporization, deformation, rupture, thermal decomposition, coking, and the like. Including), the first elastic force of the first elastic member 62C becomes smaller or lost, and the first torque becomes smaller than the second torque, at which time the second torque can lift the movable conductive member 4C. The silver contacts 31C and 411C are separated from each other, and a cut state is formed. In the present embodiment, the force applied by the second elastic member 7C to the operating member 61C is defined as the third elastic force, and the third elastic force pivots the operating member around the pivot point 610C and turns off. Generates torque. After the first elastic force is reduced or lost, the off torque overcomes the frictional resistance between the contact member 612C and the movable conductive member 4C, and the contact member 612C becomes the second of the movable conductive member 4C. It slides to the side 42C and moves the operating member 61C to the off position.

Subsequently, FIG. 12 shows Example 4 of the present invention. The seat body 1D, the first conductive member 2D, the second conductive member 3D, the movable conductive member 4D, and the overheated fracture, which are almost the same as those in the first embodiment and all have almost the same form and arrangement relationship. It includes a member 5D, an operation unit 6D, and a second elastic member 7D. Both the first conductive member 2D and the second conductive member 3D are bored in the seat body 1D. The movable conductive member 4D is straddled over the first conductive member 2D, and the form of a seesaw having the first conductive member 2D as a fulcrum is formed. The movable conductive member 4D has a first side 41D and a second side 42D located on both sides of the fulcrum. The operation unit 6D also includes an operation member 61D and a first elastic member 62D. The main difference between the fourth embodiment and the first embodiment described above is that the second elastic member 7D is connected between the seat body 1D and the operation member 61D, and the second elastic member 7D is a cantilever-shaped extension portion 72D. To press the movable conductive member 4D.

As shown in FIG. 12, a first convex portion 63D is provided at a position corresponding to the second side 42D of the operating member 61D, and corresponds to the first convex portion 63D of the seat body 1D. A second convex portion 10D is provided at a portion, both ends of the second elastic member 7D are fitted to the first convex portion 63D and the second convex portion 10D, respectively, and the stretched portion 72D has a second elastic force. Then, the stretched portion 72D presses the second side 42D of the movable conductive member 4D. As a result, the second elastic force of the stretched portion 72D acts on the movable conductive member 4D to form a second torque that pivots the movable conductive member 4D with the first conductive member 2D as a fulcrum. In addition, the force that the second elastic member 7D acts on the operating member 61D is defined as the third elastic force, and the third elastic force causes the operating member 61D to pivot around the pivot point 610D, which is off. Form torque.

Subsequently, as shown in FIG. 13, when the user operates the operating member 61D to pivot around the pivoting point 610D, the contact member 612D moves on the movable conductive member 4D on the first side. The movable conductive member 4D can be slid to 41D, and the movable conductive member 4D can be selectively brought into contact with the second conductive member 3D in a motion form like a seesaw, and the movable conductive member 4D and the second conductive member 3D are Since all of them come into contact with the silver contacts 31D and 411D, the resistance can be suppressed. When the contact member slides to the first side 41D, the first elastic force of the first elastic member 62D applies a first torque to the movable conductive member 4D, and further, a second elastic force is applied to the stretched portion 72D. By acting on the movable conductive member 4D, a second torque in the direction opposite to the first torque is applied to the movable conductive member 4D. At this time, the first torque is larger than the second torque, and the off torque is not sufficient to overcome the frictional resistance between the contact member 612D and the movable conductive member 4D, and the movable conductive member 4D is the first. The 1 conductive member 2D and the 2nd conductive member 3D are conductive to form a connected state.

Subsequently, as shown in FIGS. 13 and 14, the superheat fracture member 5D absorbs the heat energy and is destroyed (softening, melting, liquefaction, vaporization, deformation, rupture, thermal decomposition, coking, and other phenomena. Included), the first elastic force of the first elastic member 62D becomes smaller or lost, the first torque becomes smaller than the second torque, and the movable conductive member 4D becomes the second conductive due to the second torque. Apart from the member 3D, a cut state is formed in the first conductive member 2D and the second conductive member 3D, and the purpose of overheat protection is achieved. At this time, the off torque overcomes the frictional resistance force between the contact member 612D and the movable conductive member 4D, and the contact member 612D slides to the second side 42D of the movable conductive member 4D to move the operating member 61D. Move to the off position.

Subsequently, FIG. 15 shows Example 5 of the present invention. The seat body 1E, the first conductive member 2E, the second conductive member 3E, the movable conductive member 4E, and the overheated fracture, which are substantially the same as those of the fourth embodiment and all have substantially the same form and arrangement. The member 5E, the operation unit 6E, and the second elastic member 7E are included. Both the first conductive member 2E and the second conductive member 3E are bored in the seat body 1E. The movable conductive member 4E is straddled over the first conductive member 2E, and the form of a seesaw having the first conductive member 2E as a fulcrum is formed. The movable conductive member 4E has a first side 41E and a second side 42E located on both sides of the fulcrum. The operation unit 6E also includes an operation member 61E and a first elastic member 62E. The second elastic member 7E is connected between the seat body 1E and the operation member 61E, and the second elastic member 7E can be interlocked with the movable conductive member 4E when the movable conductive member 4E is operated.

As shown in FIGS. 15 and 16, a first convex portion 63E is provided at a portion of the operating member 61E corresponding to the second side 42E, and a portion of the seat body 1E corresponding to the first convex portion 63E is provided. A second convex portion 10E is provided, both ends of the second elastic member 7E are fitted to the first convex portion 63E and the second convex portion 10E, respectively, and the movable conductive member 4E is stretched to form the second. It has at least one stretched portion 43E corresponding to the elastic member 7E. For example, a pair of stretched portions 43E are arranged at the second convex portion 10E.

Subsequently, as shown in FIG. 17, when the user operates the operating member 61E to pivot around the pivoting point 610E, the contact member 612E moves on the movable conductive member 4E on the first side. The movable conductive member 4E can be slid to 41E, and the movable conductive member 4E can be selectively brought into contact with the second conductive member 3E in a motion form like a seesaw, and the movable conductive member 4E and the second conductive member 3E are Since all of them come into contact with the silver contacts 31E and 411E, the resistance can be suppressed. The force that the second elastic member 7E acts on the stretched portion 43E of the movable conductive member 4E is defined as the second elastic force, and the second elastic force pivots the movable conductive member 4E with the first conductive member 2E as a fulcrum. , Form a second torque. The force that the second elastic member 7E acts on the operating member 61E is defined as the third elastic force, and the third elastic force acts on the operating member 61E to move around the pivot point 610E on the operating member 61E. Form a pivoting, off-torque. When the contact member 612E slides to the first side 41E, the first elastic force of the first elastic member 62E applies a first torque to the movable conductive member 4E, and the second elastic force is the movable conductive member. By acting on 4E, a second torque in the direction opposite to the first torque is applied to the movable conductive member 4E. At this time, the first torque is larger than the second torque, and the movable conductive member 4E conducts the first conductive member 2E and the second conductive member 3E to form a connected state.

Subsequently, as shown in FIGS. 17 and 18, the superheat fracture member 5E absorbs the heat energy and is destroyed (softening, melting, liquefaction, vaporization, deformation, rupture, thermal decomposition, coking, and the like. Included), the first elastic force of the first elastic member 62E becomes smaller or lost, the first torque becomes smaller than the second torque, and the movable conductive member 4E becomes the second conductive by the second torque. Apart from the member 3E, a cut state is formed in the first conductive member 2E and the second conductive member 3E, and the purpose of overheat protection is achieved. At this time, the off torque overcomes the frictional resistance between the contact member 612E and the movable conductive member 4E, and the contact member 612E slides to the second side 42E of the movable conductive member 4E, so that the operating member Move 61E to the off position.

Subsequently, FIG. 19 shows Example 6 of the present invention. The seat body 1F, the first conductive member 2F, the second conductive member 3F, the movable conductive member 4F, and the overheated fracture, which are almost the same as those in the fifth embodiment and all have almost the same form and arrangement relationship. The member 5F, the operation unit 6F, and the second elastic member 7F are included. Both the first conductive member 2F and the second conductive member 3F are bored in the seat body 1F. The movable conductive member 4F is straddled over the first conductive member 2F, and the form of a seesaw having the first conductive member 2F as a fulcrum is formed. The movable conductive member 4F has a first side 41F and a second side 42F located on both sides of the fulcrum facing each other. The operation unit 6F also includes an operation member 61F and a first elastic member 62F. The second elastic member 7F is connected between the movable conductive member 4F and the operating member 61F.

As shown in FIGS. 19 and 20, in detail, the movable conductive member 4F is provided with an engagement portion 44F at a location 42F on the second side, and one end of the second elastic member 7F is fitted to the engagement portion 44F. Then, the other end of the second elastic member 7F is brought into contact with the operating member 61F.

Subsequently, as shown in FIG. 21, when the user operates the operating member 61F to pivot around the pivot point 610F, the contact member 612F is moved on the movable conductive member 4F on the first side. It slides to 41F, and the movable conductive member 4F can be selectively brought into contact with the second conductive member 3F in a motion form like a seesaw, and the movable conductive member 4F and the second conductive member 3F are Since all of them come into contact with the silver contacts 31F and 411F, the resistance can be suppressed. When the contact member 612F slides to the first side 41F, the first elastic force of the first elastic member 62F applies a first torque to the movable conductive member 4F, and the second elastic member 7F is movable. The force acting on the conductive member 4F is defined as a second elastic force, and the second elastic force applies a second torque in the direction opposite to the first torque to the movable conductive member 4F. At this time, the first torque is larger than the second torque, and the movable conductive member 4F conducts the first conductive member 2F and the second conductive member 3F to form a connected state.

Subsequently, as shown in FIGS. 21 and 22, the overheat fracture member 5F absorbs the heat energy and is destroyed (softening, melting, liquefaction, vaporization, deformation, rupture, thermal decomposition, coking, and other phenomena. Included), the first elastic force of the first elastic member 62F becomes smaller or lost, the first torque becomes smaller than the second torque, and the movable conductive member 4F becomes the second conductive due to the second torque. Apart from the member 3F, a cut state is formed in the first conductive member 2F and the second conductive member 3F, and the purpose of overheat protection is achieved. The force that the second elastic member 7F acts on the operating member 61F is defined as the third elastic force, and the third elastic force acts on the operating member 61F and acts on the operating member 61F around the pivot point 610F. Form an off-torque that drives the. After the first elastic force is reduced or lost, the off torque overcomes the frictional resistance between the contact member 612F and the movable conductive member 4F, and the contact member 612F is the second of the movable conductive member 4F. The operating member 61C can be moved to the off position by sliding it to the side 42F.

Subsequently, FIG. 23 shows Example 7 of the present invention. The seat body 1G, the first conductive member 2G, the second conductive member 3G, the movable conductive member 4G, and the overheated fracture, which are almost the same as those in the second embodiment and all have almost the same form and arrangement relationship. It includes a member 5G, an operation unit 6G, a second elastic member 7G, and a third elastic member 8G. Both the first conductive member 2G and the second conductive member 3G are bored in the seat body 1G. The movable conductive member 4G is straddled over the first conductive member 2G, and the form of a seesaw having the first conductive member 2G as a fulcrum is formed. The movable conductive member 4G has a first side 41G and a second side 42G located on both sides of the fulcrum facing each other. The operation unit 6G also includes an operation member 61G and a first elastic member 62G. The main difference is that the second elastic member 7G is a spring piece.

As shown in FIGS. 23, 24A and 24B, in detail, the second elastic member 7G can be a U-shaped plate body, and the second elastic member 7G is a first stretched portion 71G facing each other. And the second stretched portion 72G, the first stretched portion 71G is stretched to a portion corresponding to the first side 41G of the movable conductive member 4G, and the first stretched portion 71G and the second stretched portion 72G are eventually stretched. Also has a cavity 73G, which makes it easy to install and fix. The second stretched portion 72G includes a contact portion 721G at a portion corresponding to the hollow portion 73G. As shown in FIG. 25, a watermark hole 131G and a corresponding portion 132G can be provided on the bottom surface 13G of the seat body 1G, and the corresponding contact portion 721G is brought into contact with the corresponding portion 132G of the seat body 1G, and the second The elastic member 7G can be attached to the seat body 1G, and the openwork hole 131G is used for observing the second elastic member 7G to confirm whether the second elastic member 7G is correctly attached in the assembly process. Useful for.

Subsequently, as shown in FIG. 26, when the user operates the operating member 61G to pivot around the pivoting point 610G, the contact member 612G moves on the movable conductive member 4G on the first side. The movable conductive member 4G can be slid to 41G, and the movable conductive member 4G can be selectively brought into contact with the second conductive member 3G in a motion form like a seesaw, and the movable conductive member 4G and the second conductive member 3G are Since all of them come into contact with silver contacts 31G and 411G, resistance can be suppressed. When the contact member 612G slides to the first side 41G, the first elastic force of the first elastic member 62G applies a first torque to the movable conductive member 4G, and further, a second of the second elastic member 7G. An elastic force acts on the movable conductive member 4G to apply a second torque in the direction opposite to the first torque to the movable conductive member 4G. At this time, the first torque is larger than the second torque, and the movable conductive member 4G conducts the first conductive member 2G and the second conductive member 3G to form a connected state.

Subsequently, as shown in FIGS. 26 and 27, the superheat fracture member 5G absorbs the heat energy and is destroyed (softening, melting, liquefaction, vaporization, deformation, rupture, thermal decomposition, coking, and other phenomena. Including), the first elastic force of the first elastic member 62G becomes smaller or lost, the first torque becomes smaller than the second torque, and the movable conductive member 4G becomes the second conductive due to the second torque. Apart from the member 3G, a cut state is formed in the first conductive member 2G and the second conductive member 3G, and the purpose of overheat protection is achieved. The force that the third elastic member 8G acts on the operating member 61G is defined as the third elastic force, and the third elastic force acts on the operating member 61G so that the operating member 61G is around the pivot point 610G. Form an off-torque that drives the. When the first elastic force becomes smaller or lost, the off torque overcomes the frictional resistance between the contact member 612G and the movable conductive member 4G, and the contact member 612G becomes the second side 42G of the movable conductive member 4G. To move the operating member 61G to the off position.

By combining the above-mentioned explanations of the examples, the operation, use and effect of the present invention can be fully understood. The above examples are based on the best examples of the present invention, and the scope of practice of the present invention cannot be limited by these, and the scope of claims of the present invention and the contents of the specification. All simple changes and modifications of equivalent effect based on are within the scope of the present invention.

1A, 1B, 1C, 1D, 1E, 1F, 1G Seat body 10B, 10D, 10E Second convex part 11A Storage space 12A Storage tank 13G Bottom 131G Open hole 132G Corresponding part 2A, 2B, 2C, 2D, 2E, 2F, 2G 1st conductive member 3A, 3B, 3C, 3D, 3E, 3F, 3G 2nd conductive member 31A, 411A, 31D, 411D, 31E, 411E, 31F, 411F, 31G, 411G Silver contacts 4A, 4B, 4C, 4D 4, 4E, 4F, 4G Movable conductive members 41A, 41B, 41C, 41D, 41E, 41F, 41G 1st side 412C 1st connecting part 42A, 42B, 42C, 42D, 42E, 42F, 42G 2nd side 43E Extension part 44F Engagement part 5A, 5B, 5C, 5D, 5E, 5F, 5G Overheat destruction member 51A Damaged part 6A, 6B, 6C, 6D, 6E, 6F, 6G Operation unit 61A, 61B, 61C, 61D, 61E, 61F, 61G operation member 610A, 610C, 610D, 610E, 610F, 610G pivot point 611A storage tube part 612A, 612B, 612C, 612D, 612E, 612F, 612G contact member 62A, 62B, 62C, 62D, 62E, 62F, 62G 1 Elastic member 63B, 63D, 63E 1st convex portion 64C 2nd connecting portion 7A, 7B, 7C, 7D, 7E, 7F, 7G 2nd elastic member 71C Hook portion 72D Stretched portion 71G 1st stretched portion 72G 2nd stretched portion 721G Contact part 73G Cavity part 8B, 8G Third elastic member

Claims (10)

It is a method of cutting off the overheated power of the switch.
A step of forming a seesaw shape on a movable conductive member with the first conductive member as a fulcrum,
A step of selectively bringing the movable conductive member into contact with the second conductive member,
A step of urging the movable conductive member to the first side with respect to the fulcrum by the first elastic force and applying a first torque to the movable conductive member.
A step of applying a second elastic force to the movable conductive member and applying a second torque in the direction opposite to the first torque to the movable conductive member.
A process in which a superheat fracture member that receives and receives the first elastic force is installed and the superheat fracture member can be fractured at a predetermined temperature.
When the first torque is larger than the second torque, the movable conductive member conducts the first conductive member and the second conductive member to form a connected state.
When the overheat fracture member is destroyed, the first elastic force becomes smaller or lost, the first torque becomes smaller than the second torque, and the movable conductive member is made to be the second conductive member by the second torque. A step of forming a cut state between the first conductive member and the second conductive member by separating from the first conductive member and the second conductive member.
A method of cutting off overheated power of a switch, which comprises. In the cutting state, the first elastic force urges the movable conductive member to the second side with respect to the fulcrum, and applies a power cutting torque in the direction opposite to the first torque to the movable conductive member. The method for disconnecting the overheated power of the switch according to claim 1. The method for cutting off overheated power of a switch according to claim 1, wherein the predetermined temperature is between 80 ° C. and 300 ° C. The method for cutting overheated power of a switch according to claim 1, wherein the overheated fracture member is made of a plastic material. The method for cutting overheated power of a switch according to claim 1, wherein the overheated fracture member is made of a metal or an alloy. 5. A claim, wherein the alloy is a tin bismuth alloy, or a combination of cadmium, indium, silver, tin, lead, antimony, and copper is further added to tin and bismuth. The method for disconnecting the overheated power of the switch described in. The method for cutting overheated power of a switch according to claim 1, wherein the first elastic force and the second elastic force are generated by a spring, a spring piece, or rubber. When the operating member is pivoted to an on position or an off position at a pivoting point to change the position where the first elastic force urges the movable conductive member, and the operating member is in the on position. When the first elastic force applies the first torque to the movable conductive member and the operating member is in the off position, the operating member applies the first elastic force to the fulcrum of the movable conductive member. A step of urging the movable conductive member to apply a power cutting torque in the direction opposite to the first torque to the movable conductive member, and applying the first elastic force to the contact member to make the contact member act on the overheat fracture member. The process of pressing to generate frictional resistance and
The process of installing a third elastic force to act on the operating member,
When the operating member is in the on position and the overheat fracture member is not destroyed, the third elastic force acts on the operating member to apply an off torque to the operating member to turn it off. Torque is not enough to overcome the frictional resistance, and when the operating member is held in the on position and the overheat fracture member is destroyed, the off torque overcomes the frictional resistance. , The process of pivoting the operating member to the off position,
The method for disconnecting superheated power of a switch according to claim 1, wherein the switch comprises. The method for cutting overheated power of a switch according to claim 8, wherein the third elastic force is generated by a spring, a spring piece, or rubber. A method for cutting off the overheated power of equipment using electricity, wherein the method for cutting off the overheated power of the switch according to any one of claims 1 to 9 is used to control power-on and power-off of the equipment using electricity. However, the equipment that uses electricity is characterized in that the first conductive member and the second conductive member are bridge-connected on the live line power supply path or the neutral line power supply path of the equipment that uses electricity. Overheat power disconnection method.

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