WO2019037462A1 - Wall switch with overcurrent protection function - Google Patents
Wall switch with overcurrent protection function Download PDFInfo
- Publication number
- WO2019037462A1 WO2019037462A1 PCT/CN2018/085076 CN2018085076W WO2019037462A1 WO 2019037462 A1 WO2019037462 A1 WO 2019037462A1 CN 2018085076 W CN2018085076 W CN 2018085076W WO 2019037462 A1 WO2019037462 A1 WO 2019037462A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- overcurrent protection
- overcurrent
- socket
- bimetal
- conductive
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
Definitions
- the invention relates to a switch, in particular to a wall switch with an overcurrent protection function.
- the wall switches on the market only have the function of controlling the circuit switch, but in the process of using the home circuit, the use voltage will be unstable due to various reasons, that is, when the electric appliance is in use, the current will fluctuate, affecting the use of the electric appliance, and even Damage to the appliance, although the home usually sets the air switch at the main gate, but this air switch is for the entire home circuit, and with the increase in the number of appliances used in the home, the rated current of the air switch is larger, but not for a single appliance. Stream protection.
- the object of the present invention is to overcome the deficiencies of the prior art described above, and to provide a simple and reasonable structure, and an overcurrent protection device is disposed in the wall switch to automatically open the circuit when the current flowing through the wall switch exceeds a preset value. Wall switch.
- a wall switch with overcurrent protection including a housing, and a conductive line and an opening key disposed on the housing, and an overcurrent protector connected in series on the conductive line and flowing through the flow protector
- the overcurrent protector When the current is equal to or exceeds the current preset value, the overcurrent protector is disconnected from the conductive line; this wall switch with overcurrent protection function is automatically set when the current is overcurrent by setting an overcurrent protector on the conductive line. Power failure, effective protection of the electrical appliances used in series with the wall switch, safer to use.
- the opening key is opposite or adjacent to the overcurrent protector, and the overcurrent protector action pushes the key action to open the key to disconnect the electric circuit, and the overcurrent protector is always in the normally closed state in the conductive line.
- the overcurrent protector detects the overcurrent of the conductive line, it actively triggers and pushes the key action, and disconnects the conductive line through the opening key to realize the function of the overcurrent protection function.
- the overcurrent protector is an overcurrent protection bimetal
- the overcurrent protection bimetal is provided with a movable contact
- the conductive circuit has a conductive block corresponding to the overcurrent protection bimetal position, and is electrically conductive.
- the block abuts the moving contact on the overcurrent protection bimetal, and when the current flowing through the overcurrent protection bimetal is equal to or exceeds the current preset value, the overcurrent protection bimetal is deformed, the movable contact moves, and leaves Corresponding conductive blocks, thereby breaking the connection to the conductive lines.
- the overcurrent protection bimetal is fixed on the shell, and the middle part is hollowed out with a spring arm.
- the overcurrent protection bimetal deformation is the uplift of the elastic arm, and the elastic arm pushes the key action, thereby breaking the conductive line through the opening key.
- the purpose of the stream protection function is the purpose of the stream protection function.
- the overcurrent protection bimetal is in contact with or close to the switch key, that is, the flow protection bimetal pushes the key open circuit.
- the overcurrent protection bimetal is connected with a first connection copper post
- the conductive block comprises a second connection copper post and a conductive elastic piece connected to each other
- the overcurrent protection movable contact on the bimetal is overcurrent protection
- the first wire copper column and the second wire copper column are respectively connected to the conductive line, and the opening key is often pressed down by the conductive elastic piece to make the conductive elastic piece away from the overcurrent protection moving contact to disconnect the conductive line.
- the overcurrent protection moving contact and the conductive elastic piece are elastic contact to extend the service life of the wall switch.
- the opening key is provided with a circlip, and the other end of the circlip is opposite to the housing, and the circlip has a sense of passage when the opening key is pressed, and the use experience is better.
- the bottom of the opening key is provided with a push rod, and the push rod is opposite to or close to the conductive elastic piece, and the conductive elastic piece is pressed down by the push rod to achieve the purpose of disconnecting the conductive line.
- the conductive circuit is further provided with a socket assembly, a micro switch and a micro switch actuation component, one end of the micro switch actuation component is connected to the socket assembly, and the other end is adjacent or close to the micro switch.
- the micro switch is connected in series on the conductive line, and the micro switch is normally open.
- the micro switch and the micro switch touch component form a safety device of the socket assembly to improve the safety performance of the socket assembly.
- the socket assembly comprises three elastic socket clip springs mounted on the housing in a shape of a figure
- the micro switch actuation assembly comprising a fixing seat, a pressing block, a tension spring and a touch plate, and a fixing seat Attached to one of the elastic socket retaining springs, the tension spring is disposed between the fixed seat and the touch panel in an oblique direction, and one end of the touch panel is pivotally connected with the fixed seat, and the upper and lower movable manners of the pressing block are placed in the elastic state.
- the bottom surface of the pressure block is opposite to the tension spring, and the touch panel is adjacent to or opposite to the micro switch.
- the three-phase plug is inserted into the elastic socket circlip, and when the foreign object is inserted into the elastic socket circlip, the foreign object cannot completely press the pressure block.
- the touch panel is in a state of being separated from the micro switch, that is, the elastic socket retainer is in a non-energized state to avoid an accident of electric shock.
- the housing comprises an overcurrent protection bottom case, a socket bottom case, and a panel
- the overcurrent protection bottom case is provided with an overcurrent protection bimetal
- a socket assembly, a micro switch and a micro switch actuation component are disposed in the socket bottom shell
- the movable key is mounted on one side of the panel
- the socket component hole is disposed on the other side of the panel, below the panel
- a sliding type anti-shock protection protection frame is arranged above the elastic socket retaining spring
- the anti-electric shock protection protection frame is provided with a tilting surface
- the anti-electric shock protection protection frame is also connected with a return spring
- the return spring is further One end is opposite to the bottom case of the socket, and the anti-electric shock protection protection frame prevents foreign matter from being inserted into the elastic socket of the elastic socket, thereby improving the safety of the wall switch.
- This wall switch with overcurrent protection function is provided with an overcurrent protector on the conductive line to automatically cut off the power when the current is overcurrent. It is safer to protect the electrical appliance used in series with the wall switch.
- the overcurrent protector is an overcurrent protection bimetal.
- the overcurrent protection bimetal When the overcurrent protection bimetal is overcurrent in the conductive line, it pushes the key to open and disconnect the conductive line through deformation, and the overcurrent protection bimetal can also Reset, or through the key reset, this design not only makes the wall switch have the function of overcurrent protection, but also the user can understand the phenomenon of current overcurrent of the conductive line through the change of the key, and eliminate the safety hazard in time.
- the wall switch with overcurrent protection function is also provided with a socket assembly, that is, a three-phase socket, and a flexible socket circlip of the socket assembly, which is protected not only by the micro switch but also by the micro-switch and the micro switch.
- a resettable anti-shock insulation protection frame is also provided to prevent foreign matter from being inserted into the electric shock, and the multi-layer protection greatly improves the safety of the product.
- FIG. 1 is a schematic view showing the front structure of a wall switch with an overcurrent protection function according to the present invention.
- FIG. 2 is a schematic view showing the back structure of a wall switch with an overcurrent protection function according to the present invention.
- FIG. 3 is a schematic exploded view of a wall switch with an overcurrent protection function according to the present invention.
- FIG. 4 is a schematic view showing another disassembled state of the wall switch with overcurrent protection function according to the present invention.
- FIG. 5 is a schematic view showing the structure of the key back surface of the wall switch with overcurrent protection function according to the present invention.
- Figure 6 is a cross-sectional view taken along line A-A of Figure 1.
- Figure 7 is a cross-sectional view taken along line B-B of Figure 1.
- Figure 8 is a cross-sectional view taken along line C-C of Figure 1.
- the wall switch with overcurrent protection function includes a housing 1, and a conductive line 111 and an opening key 2 disposed on the housing 1, and an overcurrent protector 3, which is overcurrent.
- the protector 3 is connected in series on the conductive line 111. When the current flowing through the flow protector 3 equals or exceeds the current preset value, the overcurrent protector 3 is disconnected from the conductive line 111.
- the opening key 2 is opposite to or adjacent to the overcurrent protector 3, and the overcurrent protector 3 acts to push the opening key 2 to cause the opening key 2 to disconnect the electric line.
- the overcurrent protector 3 is an overcurrent protection bimetal 30.
- the overcurrent protection bimetal 30 is provided with a movable contact 31.
- the conductive line 111 is provided with a conductive block 4 corresponding to the overcurrent protection bimetal 30.
- the conductive block 4 is in contact with the movable contact 31 on the overcurrent protection bimetal 30.
- the movable contact 31 operates and leaves the corresponding conductive block 4, thereby disconnecting the conductive line 111. That is, the overcurrent protection bimetal 30 is in contact with or close to the switch key 2.
- the overcurrent protection bimetal 30 is connected with a first connection copper post 5, and the conductive block 4 includes a second connection copper post 42 and a conductive elastic piece 41 connected to each other, and the overcurrent protection bidirectional protection on the bimetal 30
- the point 31 is in elastic contact with the conductive elastic piece 41, and the first wiring copper post 5 and the second wiring copper post 42 are respectively connected to the conductive line 111.
- a snap spring 6 is disposed on the switch key 2, and the other end of the snap spring 6 abuts against the housing 1.
- the bottom of the opening key 2 is provided with a push rod 21, and the push rod 21 is opposite to or close to the conductive elastic piece 41.
- the conductive line 111 is further provided with a socket assembly 7, a micro switch 8 and a micro switch actuation component 9, one end of the micro switch actuation component 9 is connected to the socket assembly 7, and the other end is adjacent to the micro switch 8 or Similarly, the micro switch 8 is connected in series on the conductive line 111, and the micro switch 8 is normally open.
- the socket assembly 7 includes three elastic socket retaining springs 70 mounted on the housing 1 in a zig-zag manner.
- the micro switch actuation assembly 9 includes a fixing base 91, a pressing block 94, a tension spring 92 and a touch panel 93.
- the fixing base 91 is connected to one of the elastic socket retaining springs 70.
- the tension spring 92 is disposed between the fixing base 91 and the touch panel 93 in an oblique direction.
- One end of the touch panel 93 is pivotally connected to the fixing base 91, and the pressing block 94 is connected.
- the lower movable mode is placed at the bottom of the elastic socket retaining spring 70, and the bottom surface of the pressing block 94 abuts against the tension spring 92, and the touch panel 93 is adjacent to or opposite to the micro switch 8.
- the housing 1 includes an overcurrent protection bottom case 11, a socket bottom case 12, and a panel 10, and the overcurrent protection bottom case 11 is provided with an overcurrent protection bimetal 30, a first connection copper post 5 and a second
- the wiring copper column 42 is provided with a socket assembly 7, a micro switch 8 and a micro switch actuation component 9 on the side of the panel 10, and the movable key 2 is mounted on one side of the panel 10, and the other side of the panel 10 is disposed.
- a socket assembly 7 hole There is a socket assembly 7 hole, and a socket bottom cover 12 under the panel 10, wherein a resilient socket retaining spring 70 is disposed above the sliding type anti-shock insulating protection frame 71, and the anti-shock insulating protection frame 71 is provided with a tilting surface 710
- the anti-shock insulation protection frame 71 is also connected to a return spring 72, and the other end of the return spring 72 is abutted against the socket bottom case 12.
- the overcurrent protector 3 is an overcurrent protection bimetal 30, which is connected in series in the conductive line 111 for detecting whether the conductive line 111 is overcurrent, and the overcurrent protection bimetal 30 is overcurrent when the conductive line 111 is overcurrent.
- the deformation pushes the key 2 to open the circuit, fully utilizes the function of the opening key 2 itself to open the conductive line 111, and the simplified wall switch structure, that is, the overcurrent protection bimetal 30 is provided with the elastic arm 31, and the opening key 2 corresponds to
- the elastic arm 31 of the flow protection bimetal 30 is provided with a protrusion 22, and the overcurrent protection bimetal 30 is deformed, that is, the elastic arm 31 is upturned, the elastic arm 31 abuts against the protrusion 22 and pushes the protrusion 22 upward, the switch
- the push rod 21 at the other end of the key 2 is moved downward, thereby pushing the conductive elastic piece 41 downward to realize the function of breaking the circuit.
- the pressing block 94 presses the tension spring 92, and one end of the touch panel 93 pivots around the fixing seat (91), and the other end Abutting the micro switch 8, the elastic socket retainer 70 is energized, and after the three-phase plug is pulled out from the elastic socket retainer 70, the tension spring 92 pulls up the touch panel 93, that is, the touch panel 93 is separated from the micro switch 8. The current is disconnected, and the return spring 72 pushes the anti-shock insulation protection frame 71 back over the elastic socket retainer 70.
Landscapes
- Breakers (AREA)
- Thermally Actuated Switches (AREA)
Abstract
Disclosed is a wall switch with an overcurrent protection function. The wall switch comprises a housing, and a conductive circuit and an on-off key arranged on the housing, and further comprises an overcurrent protector, wherein the overcurrent protector is connected to the conductive circuit in series, and when a current flowing through the overcurrent protector is equal to or greater than a pre-set current value, the overcurrent protector is disconnected from the conductive circuit. According to the wall switch with an overcurrent protection function, the overcurrent protector is arranged on the conductive circuit, and the power supply is automatically cut off when overcurrent occurs, thus effectively protecting electric appliances used in series with the wall switch and realizing safer use of same.
Description
本发明涉及开关,尤其系具带过流保护功能的墙壁开关。The invention relates to a switch, in particular to a wall switch with an overcurrent protection function.
目前,市面上墙壁开关都只具备控制电路开关的功能,但家庭电路在使用过程中,会由于各种原因导致使用电压不稳定,即电器在使用时,电流会有波动,影响电器使用,甚至损坏电器,虽然家庭通常在总闸处设置空气开关,但此空气开关针对的是整个家庭电路,而且随家庭中使用的电器数量增加,空气开关限定的额定电流越大,对单个电器却没有过流保护功能。At present, the wall switches on the market only have the function of controlling the circuit switch, but in the process of using the home circuit, the use voltage will be unstable due to various reasons, that is, when the electric appliance is in use, the current will fluctuate, affecting the use of the electric appliance, and even Damage to the appliance, although the home usually sets the air switch at the main gate, but this air switch is for the entire home circuit, and with the increase in the number of appliances used in the home, the rated current of the air switch is larger, but not for a single appliance. Stream protection.
发明内容Summary of the invention
本发明的目的在于克服上述现有技术存在的不足,而提供一种结构简单、合理,在墙壁开关内设置有过流保护装置,使流经墙壁开关的电流超过预设值时自动断开电路的墙壁开关。The object of the present invention is to overcome the deficiencies of the prior art described above, and to provide a simple and reasonable structure, and an overcurrent protection device is disposed in the wall switch to automatically open the circuit when the current flowing through the wall switch exceeds a preset value. Wall switch.
本发明的目的是这样实现的:The object of the invention is achieved in this way:
带过流保护功能的墙壁开关,包括壳体,以及设置在壳体上的导电线路和开关键,还包括有过流保护器,过流保护器串联在导电线路上,流经过流保护器的电流等于或超过电流预设值时,过流保护器断开与导电线路的连接;此款带过流保护功能的墙壁开关,通过在导电线路上设置过流保护器,在电流过流时自动断电,有效的保护与墙壁开关串联使用的电器,使用更为安全。A wall switch with overcurrent protection, including a housing, and a conductive line and an opening key disposed on the housing, and an overcurrent protector connected in series on the conductive line and flowing through the flow protector When the current is equal to or exceeds the current preset value, the overcurrent protector is disconnected from the conductive line; this wall switch with overcurrent protection function is automatically set when the current is overcurrent by setting an overcurrent protector on the conductive line. Power failure, effective protection of the electrical appliances used in series with the wall switch, safer to use.
本发明的目的还可以采用以下技术措施解决:The object of the present invention can also be solved by the following technical measures:
作为更优化的方案,所述开关键与过流保护器相抵或相邻,过流保护器动作推动开关键动作,使开关键断开电线路,过流保护器在导电线路始终处于常闭状态,当过流保护器检测到导电线路过流时主动触发、并推动开关键动作,通过开关键断开导电线路,实现过流保护功能之目的。As a more optimized solution, the opening key is opposite or adjacent to the overcurrent protector, and the overcurrent protector action pushes the key action to open the key to disconnect the electric circuit, and the overcurrent protector is always in the normally closed state in the conductive line. When the overcurrent protector detects the overcurrent of the conductive line, it actively triggers and pushes the key action, and disconnects the conductive line through the opening key to realize the function of the overcurrent protection function.
作为更佳的方案,所述过流保护器是过流保护双金属片,过流保护双金属片上设置有动触点,导电线路上对应过流保护双金属片位置设置有一个导电块,导电块与过流保护双金属片上的动触点相抵,流经所述过流保护双金属片的电流等于或超过电流预设值 时,过流保护双金属片变形,动触点动作、并离开对应的导电块,从而断开与导电线路的连接。过流保护双金属片固定在壳体上,且中部镂空有弹臂,过流保护双金属片变形即弹臂上翘,弹臂推动开关键动作,从而通过开关键断开导电线路,实现过流保护功能之目的。As a better solution, the overcurrent protector is an overcurrent protection bimetal, the overcurrent protection bimetal is provided with a movable contact, and the conductive circuit has a conductive block corresponding to the overcurrent protection bimetal position, and is electrically conductive. The block abuts the moving contact on the overcurrent protection bimetal, and when the current flowing through the overcurrent protection bimetal is equal to or exceeds the current preset value, the overcurrent protection bimetal is deformed, the movable contact moves, and leaves Corresponding conductive blocks, thereby breaking the connection to the conductive lines. The overcurrent protection bimetal is fixed on the shell, and the middle part is hollowed out with a spring arm. The overcurrent protection bimetal deformation is the uplift of the elastic arm, and the elastic arm pushes the key action, thereby breaking the conductive line through the opening key. The purpose of the stream protection function.
作为更佳的方案,所述过流保护双金属片与开关键相抵或相近,即流保护双金属片推动开关键断开电路。As a better solution, the overcurrent protection bimetal is in contact with or close to the switch key, that is, the flow protection bimetal pushes the key open circuit.
作为更佳的方案,所述过流保护双金属片连接有第一接线铜柱,导电块包括相互连接的第二接线铜柱和导电弹片,过流保护双金属片上的过流保护动触点与导电弹片为弹性接触,第一接线铜柱和第二接线铜柱分别连接在导电线路上,开关键经常通过下压导电弹片,使导电弹片远离过流保护动触点达到断开导电线路的目的,过流保护动触点与导电弹片为弹性接触能延长墙壁开关的使用寿命。Preferably, the overcurrent protection bimetal is connected with a first connection copper post, the conductive block comprises a second connection copper post and a conductive elastic piece connected to each other, and the overcurrent protection movable contact on the bimetal is overcurrent protection The first wire copper column and the second wire copper column are respectively connected to the conductive line, and the opening key is often pressed down by the conductive elastic piece to make the conductive elastic piece away from the overcurrent protection moving contact to disconnect the conductive line. Purpose, the overcurrent protection moving contact and the conductive elastic piece are elastic contact to extend the service life of the wall switch.
作为更佳的方案,所述开关键上设置有卡簧,卡簧另一端与壳体相抵,卡簧使开关键按压时有段落感,使用体验更佳。As a more preferable solution, the opening key is provided with a circlip, and the other end of the circlip is opposite to the housing, and the circlip has a sense of passage when the opening key is pressed, and the use experience is better.
作为更佳的方案,所述开关键的底部设置有推杆,推杆与导电弹片相抵或相近,推杆下压导电弹片即实现断开导电线路的目的。As a better solution, the bottom of the opening key is provided with a push rod, and the push rod is opposite to or close to the conductive elastic piece, and the conductive elastic piece is pressed down by the push rod to achieve the purpose of disconnecting the conductive line.
作为更佳的方案,所述导电线路上还设置有插座组件、微动开关和微动开关触动组件,所述微动开关触动组件的一端连接插座组件,另一端与微动开关相邻或相近,微动开关串联在所述导电线路上,且微动开关为常开式,微动开关和微动开关触动组件构成插座组件的一个安全装置,提高插座组件安全性能。Preferably, the conductive circuit is further provided with a socket assembly, a micro switch and a micro switch actuation component, one end of the micro switch actuation component is connected to the socket assembly, and the other end is adjacent or close to the micro switch. The micro switch is connected in series on the conductive line, and the micro switch is normally open. The micro switch and the micro switch touch component form a safety device of the socket assembly to improve the safety performance of the socket assembly.
作为更佳的方案,所述插座组件包括三个弹性插座卡簧,它们以品字形方式安装在壳体上,微动开关触动组件包括固定座、压块、拉簧和触碰板,固定座连接在其中一个弹性插座卡簧上,拉簧以斜向方向设置在固定座与触碰板之间,触碰板一端与固定座枢轴连接,压块以上下活动方式置于所述的弹性插座卡簧底部,压块底面与拉簧相抵,触碰板与微动开关相邻或相抵,三相插头***弹性插座卡簧内,异物***弹性插座卡簧时,异物无法完全下压压块,触碰板与微动开关处于相离状态,即弹性插座卡簧处于不通电状态,避免发生触电的意外事故。Preferably, the socket assembly comprises three elastic socket clip springs mounted on the housing in a shape of a figure, the micro switch actuation assembly comprising a fixing seat, a pressing block, a tension spring and a touch plate, and a fixing seat Attached to one of the elastic socket retaining springs, the tension spring is disposed between the fixed seat and the touch panel in an oblique direction, and one end of the touch panel is pivotally connected with the fixed seat, and the upper and lower movable manners of the pressing block are placed in the elastic state. At the bottom of the socket circlip, the bottom surface of the pressure block is opposite to the tension spring, and the touch panel is adjacent to or opposite to the micro switch. The three-phase plug is inserted into the elastic socket circlip, and when the foreign object is inserted into the elastic socket circlip, the foreign object cannot completely press the pressure block. The touch panel is in a state of being separated from the micro switch, that is, the elastic socket retainer is in a non-energized state to avoid an accident of electric shock.
作为更佳的方案,所述壳体包括过流保护底壳、插座底壳,以及面板,所述过流保护底壳内设置有过流保护双金属片、第一接线铜柱和第二接线铜柱,所述插座底壳内设置有插座组件、微动开关和微动开关触动组件,面板一侧安装有活动式所述开关键,面板另一侧设置有插座组件孔,所述面板下方的插座底壳上,其中一个弹性插座卡簧的上 方设置有滑行式防触电绝缘保护架,防触电绝缘保护架上设置有倾面,且防触电绝缘保护架还连接一复位弹簧,复位弹簧另一端与插座底壳相抵,防触电绝缘保护架避免异物***弹性插座卡簧内,提高墙壁开关的安全性。Preferably, the housing comprises an overcurrent protection bottom case, a socket bottom case, and a panel, wherein the overcurrent protection bottom case is provided with an overcurrent protection bimetal, a first connection copper post and a second connection a copper pillar, a socket assembly, a micro switch and a micro switch actuation component are disposed in the socket bottom shell, and the movable key is mounted on one side of the panel, and the socket component hole is disposed on the other side of the panel, below the panel On the bottom case of the socket, a sliding type anti-shock protection protection frame is arranged above the elastic socket retaining spring, the anti-electric shock protection protection frame is provided with a tilting surface, and the anti-electric shock protection protection frame is also connected with a return spring, and the return spring is further One end is opposite to the bottom case of the socket, and the anti-electric shock protection protection frame prevents foreign matter from being inserted into the elastic socket of the elastic socket, thereby improving the safety of the wall switch.
本发明的有益效果如下:The beneficial effects of the present invention are as follows:
(1)此款带过流保护功能的墙壁开关,通过在导电线路上设置过流保护器,在电流过流时自动断电,有效的保护与墙壁开关串联使用的电器,使用更为安全。(1) This wall switch with overcurrent protection function is provided with an overcurrent protector on the conductive line to automatically cut off the power when the current is overcurrent. It is safer to protect the electrical appliance used in series with the wall switch.
(2)其次,过流保护器为过流保护双金属片,过流保护双金属片在导电线路过流时,通过形变推动开关键开断开导电线路,过流保护双金属片还能够自行复位,或通过开关键复位,此种设计不仅使墙壁开关具有过流保护之功能,而且用户还能通过开关键的变化了解到导电线路电流过流之现象,及时消除安全隐患。(2) Secondly, the overcurrent protector is an overcurrent protection bimetal. When the overcurrent protection bimetal is overcurrent in the conductive line, it pushes the key to open and disconnect the conductive line through deformation, and the overcurrent protection bimetal can also Reset, or through the key reset, this design not only makes the wall switch have the function of overcurrent protection, but also the user can understand the phenomenon of current overcurrent of the conductive line through the change of the key, and eliminate the safety hazard in time.
(3)再有,此款带过流保护功能的墙壁开关还设置有插座组件,即三相插座,插座组件的弹性插座卡簧,不仅通过微动开关触动组件和微动开关进行保护,而且还设置有可复位防触电绝缘保护架防止异物***触电,多层保护极大的提升了产品的安全性。(3) Furthermore, the wall switch with overcurrent protection function is also provided with a socket assembly, that is, a three-phase socket, and a flexible socket circlip of the socket assembly, which is protected not only by the micro switch but also by the micro-switch and the micro switch. A resettable anti-shock insulation protection frame is also provided to prevent foreign matter from being inserted into the electric shock, and the multi-layer protection greatly improves the safety of the product.
图1为本发明带过流保护功能的墙壁开关的正面结构示意图。1 is a schematic view showing the front structure of a wall switch with an overcurrent protection function according to the present invention.
图2为本发明带过流保护功能的墙壁开关的背面结构示意图。2 is a schematic view showing the back structure of a wall switch with an overcurrent protection function according to the present invention.
图3为本发明带过流保护功能的墙壁开关的分解结构示意图。3 is a schematic exploded view of a wall switch with an overcurrent protection function according to the present invention.
图4为本发明带过流保护功能的墙壁开关的另一分拆状态示意图。4 is a schematic view showing another disassembled state of the wall switch with overcurrent protection function according to the present invention.
图5为本发明带过流保护功能的墙壁开关中开关键背面结构示意图。FIG. 5 is a schematic view showing the structure of the key back surface of the wall switch with overcurrent protection function according to the present invention.
图6为图1中A-A向剖视图。Figure 6 is a cross-sectional view taken along line A-A of Figure 1.
图7为图1中B-B向剖视图。Figure 7 is a cross-sectional view taken along line B-B of Figure 1.
图8为图1中C-C向剖视图。Figure 8 is a cross-sectional view taken along line C-C of Figure 1.
下面结合附图和实施例对本发明作进一步说明。The invention will now be further described with reference to the accompanying drawings and embodiments.
如图1至图8所示,带过流保护功能的墙壁开关,包括壳体1,以及设置在壳体1上的导电线路111和开关键2,还包括有过流保护器3,过流保护器3串联在导电线路111上,流经过流保护器3的电流等于或超过电流预设值时,过流保护器3断开与导电线路111的连接。As shown in FIG. 1 to FIG. 8, the wall switch with overcurrent protection function includes a housing 1, and a conductive line 111 and an opening key 2 disposed on the housing 1, and an overcurrent protector 3, which is overcurrent. The protector 3 is connected in series on the conductive line 111. When the current flowing through the flow protector 3 equals or exceeds the current preset value, the overcurrent protector 3 is disconnected from the conductive line 111.
所述开关键2与过流保护器3相抵或相邻,过流保护器3动作推动开关键2动作,使开关键2断开电线路。The opening key 2 is opposite to or adjacent to the overcurrent protector 3, and the overcurrent protector 3 acts to push the opening key 2 to cause the opening key 2 to disconnect the electric line.
所述过流保护器3是过流保护双金属片30,过流保护双金属片30上设置有动触点31,导电线路111上对应过流保护双金属片30位置设置有一个导电块4,导电块4与过流保护双金属片30上的动触点31相抵,流经所述过流保护双金属片30的电流等于或超过电流预设值时,过流保护双金属片30变形,动触点31动作、并离开对应的导电块4,从而断开与导电线路111的连接。即所述过流保护双金属片30与开关键2相抵或相近。The overcurrent protector 3 is an overcurrent protection bimetal 30. The overcurrent protection bimetal 30 is provided with a movable contact 31. The conductive line 111 is provided with a conductive block 4 corresponding to the overcurrent protection bimetal 30. The conductive block 4 is in contact with the movable contact 31 on the overcurrent protection bimetal 30. When the current flowing through the overcurrent protection bimetal 30 is equal to or exceeds the current preset value, the overcurrent protection bimetal 30 is deformed. The movable contact 31 operates and leaves the corresponding conductive block 4, thereby disconnecting the conductive line 111. That is, the overcurrent protection bimetal 30 is in contact with or close to the switch key 2.
所述过流保护双金属片30连接有第一接线铜柱5,导电块4包括相互连接的第二接线铜柱42和导电弹片41,过流保护双金属片30上的过流保护动触点31与导电弹片41为弹性接触,第一接线铜柱5和第二接线铜柱42分别连接在导电线路111上。The overcurrent protection bimetal 30 is connected with a first connection copper post 5, and the conductive block 4 includes a second connection copper post 42 and a conductive elastic piece 41 connected to each other, and the overcurrent protection bidirectional protection on the bimetal 30 The point 31 is in elastic contact with the conductive elastic piece 41, and the first wiring copper post 5 and the second wiring copper post 42 are respectively connected to the conductive line 111.
所述开关键2上设置有卡簧6,卡簧6另一端与壳体1相抵。A snap spring 6 is disposed on the switch key 2, and the other end of the snap spring 6 abuts against the housing 1.
所述开关键2的底部设置有推杆21,推杆21与导电弹片41相抵或相近。The bottom of the opening key 2 is provided with a push rod 21, and the push rod 21 is opposite to or close to the conductive elastic piece 41.
所述导电线路111上还设置有插座组件7、微动开关8和微动开关触动组件9,所述微动开关触动组件9的一端连接插座组件7,另一端与微动开关8相邻或相近,微动开关8串联在所述导电线路111上,且微动开关8为常开式。The conductive line 111 is further provided with a socket assembly 7, a micro switch 8 and a micro switch actuation component 9, one end of the micro switch actuation component 9 is connected to the socket assembly 7, and the other end is adjacent to the micro switch 8 or Similarly, the micro switch 8 is connected in series on the conductive line 111, and the micro switch 8 is normally open.
所述插座组件7包括三个弹性插座卡簧70,它们以品字形方式安装在壳体1上,微动开关触动组件9包括固定座91、压块94、拉簧92和触碰板93,固定座91连接在其中一个弹性插座卡簧70上,拉簧92以斜向方向设置在固定座91与触碰板93之间,触碰板93一端与固定座91枢轴连接,压块94以上下活动方式置于所述的弹性插座卡簧70底部,压块94底面与拉簧92相抵,触碰板93与微动开关8相邻或相抵。The socket assembly 7 includes three elastic socket retaining springs 70 mounted on the housing 1 in a zig-zag manner. The micro switch actuation assembly 9 includes a fixing base 91, a pressing block 94, a tension spring 92 and a touch panel 93. The fixing base 91 is connected to one of the elastic socket retaining springs 70. The tension spring 92 is disposed between the fixing base 91 and the touch panel 93 in an oblique direction. One end of the touch panel 93 is pivotally connected to the fixing base 91, and the pressing block 94 is connected. The lower movable mode is placed at the bottom of the elastic socket retaining spring 70, and the bottom surface of the pressing block 94 abuts against the tension spring 92, and the touch panel 93 is adjacent to or opposite to the micro switch 8.
所述壳体1包括过流保护底壳11、插座底壳12,以及面板10,所述过流保护底壳11内设置有过流保护双金属片30、第一接线铜柱5和第二接线铜柱42,所述插座底壳12内设置有插座组件7、微动开关8和微动开关触动组件9,面板10一侧安装有活动式所述开关键2,面板10另一侧设置有插座组件7孔,所述面板10下方的插座底壳12上,其中一个弹性插座卡簧70的上方设置有滑行式防触电绝缘保护架71,防触电绝缘保护架71上设置有倾面710,且防触电绝缘保护架71还连接一复位弹簧72,复位弹簧72另一端与插座底壳12相抵。The housing 1 includes an overcurrent protection bottom case 11, a socket bottom case 12, and a panel 10, and the overcurrent protection bottom case 11 is provided with an overcurrent protection bimetal 30, a first connection copper post 5 and a second The wiring copper column 42 is provided with a socket assembly 7, a micro switch 8 and a micro switch actuation component 9 on the side of the panel 10, and the movable key 2 is mounted on one side of the panel 10, and the other side of the panel 10 is disposed. There is a socket assembly 7 hole, and a socket bottom cover 12 under the panel 10, wherein a resilient socket retaining spring 70 is disposed above the sliding type anti-shock insulating protection frame 71, and the anti-shock insulating protection frame 71 is provided with a tilting surface 710 The anti-shock insulation protection frame 71 is also connected to a return spring 72, and the other end of the return spring 72 is abutted against the socket bottom case 12.
本实施例中,过流保护器3为过流保护双金属片30,其串联在导电线路111中用以检测导电线路111是否过流,过流保护双金属片30在导电线路111过流时形变推动开 关键2断开电路,充分利用开关键2本身具有断开导电线路111的功能,简化的墙壁开关结构,即过流保护双金属片30上设有弹臂31,开关键2上对应流保护双金属片30的弹臂31位置设置有凸起22,过流保护双金属片30形变,即弹臂31上翘,弹臂31与凸起22相抵并推动凸起22上移,开关键2另一端的推杆21下移,进而推动导电弹片41下移,实现断开电路的功能。In this embodiment, the overcurrent protector 3 is an overcurrent protection bimetal 30, which is connected in series in the conductive line 111 for detecting whether the conductive line 111 is overcurrent, and the overcurrent protection bimetal 30 is overcurrent when the conductive line 111 is overcurrent. The deformation pushes the key 2 to open the circuit, fully utilizes the function of the opening key 2 itself to open the conductive line 111, and the simplified wall switch structure, that is, the overcurrent protection bimetal 30 is provided with the elastic arm 31, and the opening key 2 corresponds to The elastic arm 31 of the flow protection bimetal 30 is provided with a protrusion 22, and the overcurrent protection bimetal 30 is deformed, that is, the elastic arm 31 is upturned, the elastic arm 31 abuts against the protrusion 22 and pushes the protrusion 22 upward, the switch The push rod 21 at the other end of the key 2 is moved downward, thereby pushing the conductive elastic piece 41 downward to realize the function of breaking the circuit.
三相插头***插座组件7时,首先,一个插头与防触电绝缘保护架71的倾面710相抵,插头继续***,防触电绝缘保护架71压缩复位弹簧72插头***弹性插座卡簧70内,此时另外一个插头与压块94相抵,当三相插头完全***弹性插座卡簧70内时,压块94下压拉簧92,触碰板93一端绕固定座(91)枢轴转动,另一端与微动开关8相抵,弹性插座卡簧70通电,三相插头从弹性插座卡簧70中拔出后,拉簧92将触碰板93拉起,即触碰板93与微动开关8分离,电流断开,复位弹簧72将防触电绝缘保护架71重新推回至弹性插座卡簧70上方。When the three-phase plug is inserted into the socket assembly 7, first, a plug is abutted against the tilting surface 710 of the anti-shock insulating protection frame 71, the plug continues to be inserted, and the anti-shock insulating protection frame 71 is inserted into the elastic socket retaining spring 70. When the other plug is in contact with the pressing block 94, when the three-phase plug is fully inserted into the elastic socket retaining spring 70, the pressing block 94 presses the tension spring 92, and one end of the touch panel 93 pivots around the fixing seat (91), and the other end Abutting the micro switch 8, the elastic socket retainer 70 is energized, and after the three-phase plug is pulled out from the elastic socket retainer 70, the tension spring 92 pulls up the touch panel 93, that is, the touch panel 93 is separated from the micro switch 8. The current is disconnected, and the return spring 72 pushes the anti-shock insulation protection frame 71 back over the elastic socket retainer 70.
Claims (10)
- 带过流保护功能的墙壁开关,包括壳体(1),以及设置在壳体(1)上的导电线路(111)和开关键(2),其特征是,还包括有过流保护器(3),过流保护器(3)串联在导电线路(111)上,流经过流保护器(3)的电流等于或超过电流预设值时,过流保护器(3)断开与导电线路(111)的连接。A wall switch with overcurrent protection, comprising a housing (1), and a conductive line (111) and an opening key (2) disposed on the housing (1), characterized in that it further comprises an overcurrent protector ( 3), the overcurrent protector (3) is connected in series on the conductive line (111), and the current flowing through the flow protector (3) is equal to or exceeds the current preset value, the overcurrent protector (3) is disconnected and the conductive line (111) connection.
- 根据权利要求1所述带过流保护功能的墙壁开关,其特征是,所述开关键(2)与过流保护器(3)相抵或相邻。The wall switch with overcurrent protection according to claim 1, characterized in that the opening key (2) is opposite or adjacent to the overcurrent protector (3).
- 根据权利要求2所述带过流保护功能的墙壁开关,其特征是,所述过流保护器(3)是过流保护双金属片(30),过流保护双金属片(30)上设置有动触点(31),导电线路(111)上对应过流保护双金属片(30)位置设置有一个导电块(4),导电块(4)与过流保护双金属片(30)上的动触点(31)相抵,流经所述过流保护双金属片(30)的电流等于或超过电流预设值时,过流保护双金属片(30)变形,动触点(31)动作、并离开对应的导电块(4),从而断开与导电线路(111)的连接。The wall switch with overcurrent protection according to claim 2, wherein the overcurrent protector (3) is an overcurrent protection bimetal (30), and the overcurrent protection bimetal (30) is disposed. The movable contact (31) and the overcurrent protection bimetal (30) on the conductive line (111) are provided with a conductive block (4), a conductive block (4) and an overcurrent protection bimetal (30). The movable contact (31) abuts, and when the current flowing through the overcurrent protection bimetal (30) is equal to or exceeds the current preset value, the overcurrent protection bimetal (30) is deformed, and the movable contact (31) Acting and leaving the corresponding conductive block (4), thereby disconnecting the conductive line (111).
- 根据权利要求3所述带过流保护功能的墙壁开关,其特征是,所述过流保护双金属片(30)与开关键(2)相抵或相近。The wall switch with overcurrent protection according to claim 3, characterized in that the overcurrent protection bimetal (30) is opposite or close to the opening key (2).
- 根据权利要求4所述带过流保护功能的墙壁开关,其特征是,所述过流保护双金属片(30)连接有第一接线铜柱(5),导电块(4)包括相互连接的第二接线铜柱(42)和导电弹片(41),过流保护双金属片(30)上的过流保护动触点(31)与导电弹片(41)为弹性接触,第一接线铜柱(5)和第二接线铜柱(42)分别连接在导电线路(111)上。The wall switch with overcurrent protection function according to claim 4, wherein the overcurrent protection bimetal (30) is connected with a first connection copper post (5), and the conductive block (4) comprises interconnected The second wiring copper column (42) and the conductive elastic piece (41), the overcurrent protection moving contact (31) on the overcurrent protection bimetal (30) is in elastic contact with the conductive elastic piece (41), and the first wiring copper column (5) and the second wiring copper post (42) are respectively connected to the conductive line (111).
- 根据权利要求5所述带过流保护功能的墙壁开关,其特征是,所述开关键(2)上设置有卡簧(6),卡簧(6)另一端与壳体(1)相抵。A wall switch with an overcurrent protection function according to claim 5, wherein the opening key (2) is provided with a circlip (6), and the other end of the circlip (6) abuts against the casing (1).
- 根据权利要求6所述带过流保护功能的墙壁开关,其特征是,所述开关键(2)的底部设置有推杆(21),推杆(21)与导电弹片(41)相抵或相近。The wall switch with overcurrent protection function according to claim 6, wherein the bottom of the opening key (2) is provided with a push rod (21), and the push rod (21) is opposite or close to the conductive elastic piece (41). .
- 根据权利要求7所述带过流保护功能的墙壁开关,其特征是,所述导电线路(111)上还设置有插座组件(7)、微动开关(8)和微动开关触动组件(9),所述微动开关触动组件(9)的一端连接插座组件(7),另一端与微动开关(8)相邻或相近,微动开关(8)串联在所述导电线路(111)上,且微动开关(8)为常开式。The wall switch with overcurrent protection function according to claim 7, wherein the conductive circuit (111) is further provided with a socket assembly (7), a micro switch (8) and a micro switch actuation component (9). The one end of the micro switch actuation component (9) is connected to the socket assembly (7), the other end is adjacent to or close to the micro switch (8), and the micro switch (8) is connected in series to the conductive line (111) Upper, and the micro switch (8) is normally open.
- 根据权利要求8所述带过流保护功能的墙壁开关,其特征是,所述插座组件(7)包括三个弹性插座卡簧(70),它们以品字形方式安装在壳体(1)上,微动开关触动组 件(9)包括固定座(91)、压块(94)、拉簧(92)和触碰板(93),固定座(91)连接在其中一个弹性插座卡簧(70)上,拉簧(92)以斜向方向设置在固定座(91)与触碰板(93)之间,触碰板(93)一端与固定座(91)枢轴连接,压块(94)以上下活动方式置于所述的弹性插座卡簧(70)底部,压块(94)底面与拉簧(92)相抵,触碰板(93)与微动开关(8)相邻或相抵。A wall switch with overcurrent protection according to claim 8, wherein said socket assembly (7) comprises three elastic socket retaining springs (70) mounted on the housing (1) in a figure-like manner The micro switch actuation assembly (9) includes a fixing base (91), a pressing block (94), a tension spring (92) and a touch panel (93), and the fixing base (91) is connected to one of the elastic socket retaining springs (70). The tension spring (92) is disposed between the fixing seat (91) and the touch panel (93) in an oblique direction, and one end of the touch panel (93) is pivotally connected to the fixing seat (91), and the pressing block (94) The upper movable mode is placed at the bottom of the elastic socket retainer (70), the bottom surface of the pressing block (94) is opposite to the tension spring (92), and the touch panel (93) is adjacent to or opposite to the micro switch (8). .
- 根据权利要求9所述带过流保护功能的墙壁开关,其特征是,所述壳体(1)包括过流保护底壳(11)、插座底壳(12),以及面板(10),所述过流保护底壳(11)内设置有过流保护双金属片(30)、第一接线铜柱(5)和第二接线铜柱(42),所述插座底壳(12)内设置有插座组件(7)、微动开关(8)和微动开关触动组件(9),面板(10)一侧安装有活动式所述开关键(2),面板(10)另一侧设置有插座组件孔(13),所述面板(10)下方的插座底壳(12)上,其中一个弹性插座卡簧(70)的上方设置有滑行式防触电绝缘保护架(71),防触电绝缘保护架(71)上设置有倾面(710),且防触电绝缘保护架还连接一复位弹簧(72),复位弹簧(72)另一端与插座底壳(12)相抵。The wall switch with overcurrent protection according to claim 9, wherein the housing (1) comprises a overcurrent protection bottom case (11), a socket bottom case (12), and a panel (10). The overcurrent protection bottom case (11) is provided with an overcurrent protection bimetal (30), a first connection copper post (5) and a second connection copper post (42), and the socket bottom case (12) is disposed There are a socket assembly (7), a micro switch (8) and a micro switch actuation component (9), a movable key (2) is mounted on one side of the panel (10), and the other side of the panel (10) is provided a socket assembly hole (13), a socket bottom case (12) below the panel (10), wherein a resilient socket retainer (70) is provided with a sliding anti-shock protection protection frame (71) for preventing electric shock insulation The protection frame (71) is provided with a tilting surface (710), and the anti-electric shock protection protection frame is also connected with a return spring (72), and the other end of the return spring (72) is opposite to the socket bottom casing (12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710715111.4A CN107359089B (en) | 2017-08-19 | 2017-08-19 | Wall switch with overcurrent protection function |
CN201710715111.4 | 2017-08-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019037462A1 true WO2019037462A1 (en) | 2019-02-28 |
Family
ID=60287792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2018/085076 WO2019037462A1 (en) | 2017-08-19 | 2018-04-28 | Wall switch with overcurrent protection function |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN107359089B (en) |
WO (1) | WO2019037462A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107359089B (en) * | 2017-08-19 | 2019-12-17 | 广东汇莱德温控器有限公司 | Wall switch with overcurrent protection function |
CN109659186A (en) * | 2019-01-28 | 2019-04-19 | 中兴文物建筑装饰工程有限公司 | A kind of double-pole single-throw (D.P.S.T.) power switch |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203562560U (en) * | 2013-10-15 | 2014-04-23 | 科博达技术有限公司 | Socket |
CN203932401U (en) * | 2014-07-16 | 2014-11-05 | 浙江捷诺电器有限公司 | A kind of novel wall switch socket |
CN204088228U (en) * | 2014-08-25 | 2015-01-07 | 游聪谋 | The overload trip structure of switch |
CN105161376A (en) * | 2015-09-04 | 2015-12-16 | 黄华道 | Overload protection switch |
CN107359089A (en) * | 2017-08-19 | 2017-11-17 | 佛山市汇莱德电器有限公司 | Switch on wall with overcurrent protection function |
CN207052551U (en) * | 2017-08-19 | 2018-02-27 | 佛山市汇莱德电器有限公司 | Switch on wall with overcurrent protection function |
-
2017
- 2017-08-19 CN CN201710715111.4A patent/CN107359089B/en active Active
-
2018
- 2018-04-28 WO PCT/CN2018/085076 patent/WO2019037462A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203562560U (en) * | 2013-10-15 | 2014-04-23 | 科博达技术有限公司 | Socket |
CN203932401U (en) * | 2014-07-16 | 2014-11-05 | 浙江捷诺电器有限公司 | A kind of novel wall switch socket |
CN204088228U (en) * | 2014-08-25 | 2015-01-07 | 游聪谋 | The overload trip structure of switch |
CN105161376A (en) * | 2015-09-04 | 2015-12-16 | 黄华道 | Overload protection switch |
CN107359089A (en) * | 2017-08-19 | 2017-11-17 | 佛山市汇莱德电器有限公司 | Switch on wall with overcurrent protection function |
CN207052551U (en) * | 2017-08-19 | 2018-02-27 | 佛山市汇莱德电器有限公司 | Switch on wall with overcurrent protection function |
Also Published As
Publication number | Publication date |
---|---|
CN107359089B (en) | 2019-12-17 |
CN107359089A (en) | 2017-11-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4209907B2 (en) | Safety plug suitable for connecting to an electrical outlet | |
US5892426A (en) | Safety switch with security structure | |
US20070257764A1 (en) | Portable electrical receptacle with multiple heat sensors | |
WO2019037462A1 (en) | Wall switch with overcurrent protection function | |
US20070257763A1 (en) | Electrical receptacle with multiple heat sensors | |
CN101685722B (en) | Double temperature-sensing power-off circuit protection structure | |
CN113903633A (en) | Earth fault circuit break protector for fault wiring circuit break protection | |
CN107644793A (en) | Auto-manual moment trip switch | |
US8154375B2 (en) | Overcurrent protection device having trip free mechanism | |
WO2019037461A1 (en) | Overcurrent protection reset type coupler upper base | |
TW202015084A (en) | Method for interrupting power supply to overheated power switch | |
CN111477519B (en) | Vacuum circuit breaker | |
CN207052551U (en) | Switch on wall with overcurrent protection function | |
US11070010B2 (en) | Overheating destructive disconnecting method for switch | |
US20070054520A1 (en) | Receptacle with overload protection | |
CN214797308U (en) | Novel circuit breaker | |
CN212342565U (en) | Novel 5G circuit breaker | |
KR20210084627A (en) | Movable contact mechanism of double breakpoint breaker | |
CN214505406U (en) | Circuit overload and short circuit protector | |
CN215988630U (en) | Action structure of leakage protector | |
CN221407135U (en) | Grounding isolating switch | |
CN209119002U (en) | One kind automatically powering off reset temperature controller | |
KR102135899B1 (en) | trip-bar pressing type temperature detecting circuit breaker | |
CN220672411U (en) | Safety auxiliary switch | |
CN207517632U (en) | Auto-manual moment trip switch |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 18847836 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 18847836 Country of ref document: EP Kind code of ref document: A1 |