CN102856090A - Cover opening power-off protection device and lamp - Google Patents

Cover opening power-off protection device and lamp Download PDF

Info

Publication number
CN102856090A
CN102856090A CN2011101774148A CN201110177414A CN102856090A CN 102856090 A CN102856090 A CN 102856090A CN 2011101774148 A CN2011101774148 A CN 2011101774148A CN 201110177414 A CN201110177414 A CN 201110177414A CN 102856090 A CN102856090 A CN 102856090A
Authority
CN
China
Prior art keywords
power
movably fastened
movable contact
bar
protection apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011101774148A
Other languages
Chinese (zh)
Other versions
CN102856090B (en
Inventor
周明杰
张表新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Original Assignee
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oceans King Lighting Science and Technology Co Ltd, Shenzhen Oceans King Lighting Engineering Co Ltd filed Critical Oceans King Lighting Science and Technology Co Ltd
Priority to CN201110177414.8A priority Critical patent/CN102856090B/en
Publication of CN102856090A publication Critical patent/CN102856090A/en
Application granted granted Critical
Publication of CN102856090B publication Critical patent/CN102856090B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Mechanical Control Devices (AREA)

Abstract

The invention relates to the technical field of power-off protection and discloses a cover opening power-off protection device. The cover opening power-off protection device comprises an upper cover, a lower cover matched with the upper cover to form a shell, a moving assembly for moving and a power-off protection assembly, wherein the power-off protection assembly is driven to realize electrification or power-off of a power supply by the movement of the moving assembly, and an external pushbutton capable of driving the moving assembly to move is arranged on the upper cover. According to the invention, when a maintainer opens the upper cover of the device, the moving assembly of the device is driven to move, and then the moving assembly drives the cover opening power-off protection device to cut off a power supply during the moving process of the moving assembly so as to realize the power-off during cover opening, therefore, the maintainer can maintain the lamp or change a light emitting body without cutting off the power supply, or being applied to other equipment, the device also can be subjected to similar operations. The cover opening power-off protection device is safe and convenient, and is free from potential safety hazards.

Description

A kind of uncovering power-off protective device and light fixture
Technical field
The present invention relates to the technical field of power-off protection, especially a kind of safe and easily uncovering power-off protective device and the light fixture that comprises this device.
Background technology
At present, the maintenance personal is when repairing or replacing the luminous element of light fixture to light fixture, adopt directly first closed mains switch more, to avoid occuring Danger Electric shock risk, but this method of operation is pretty troublesome, when being connected with other power consumption equipment on the circuit of lamp source, repair or replace in the process of luminous element the maintenance personal, other power consumption equipment also cannot use, and brings a lot of inconvenience, and in real operation, when the luminous element of light fixture does not work, from the appearance, can not know whether light fixture is in "on" position, and some maintenance personals or user are off one's guard or lazy, when cutting off the electricity supply, just take directly that light fixture keeps in repair apart or carry out luminous element and change, like this, be easy to produce the danger of electric shock, bring potential safety hazard.
Summary of the invention
The present invention is directed to the deficiencies in the prior art; a kind of light fixture uncovering power-off protective device is provided; guarantee that the maintenance personal is when carrying out the light fixture maintenance or changing luminous element; do not need to cut off the electricity supply; when the lid of light fixture is opened; the automatic cut-out of its meeting light fixture is connected with power supply, is convenient to maintenance personal's operation, and namely safety is convenient again.
The present invention realizes like this; a kind of uncovering power-off protective device; comprise loam cake and can cooperate the lower cover that forms shell with described loam cake; also comprise the moving assembly that can be shifted and can be under mobile drive of described moving assembly; realize the energising of power supply or the power-off protection assembly of outage, cover to be provided with on described and can drive the outer button that moving assembly moves.
Further, described moving assembly comprises being located at and describedly lower cover and can be movably fastened being movably fastened bar, being connected to and describedly being movably fastened the first spring part of bar front end and being connected in described the first push pedal that is movably fastened the bar rear end of being connected with described loam cake, lower cover, and described the first push pedal is connected to described outer button.
Further, described being movably fastened has on the bar and can be movably fastened the draw-in groove that is connected with described loam cake, lower cover.
Further, described power-off protection assembly comprises the static contact that can connect with external power source, can and can drive the movable mobile elastic mechanism of described movable contact spring with the movable contact spring of described static contact butt.
Further, described elastic mechanism comprises and is connected in described the second spring part that is movably fastened the second push pedal of bar and is connected to described movable contact spring one side.
Further, an end of described movable contact spring has the butt post that can be subjected to the second push pedal pressure, and the other end has can be by the erection column of the second spring part suit.
Further, described power-off protection apparatus also has and can make described movable contact spring stop mobile locating part.
Further, an end of described locating part places between described the second push pedal and the described static contact, the other end be movably fastened under cover.
Further, the other end of described locating part has groove, and described lower covering has the projection that can fasten with described groove.
The present invention also provides a kind of light fixture, and it comprises above-mentioned power-off protection apparatus.
Compared with prior art; when the maintenance personal opens loam cake; the moving assembly that can drive this device is moved; moving assembly is in mobile process; can drive the outage of uncovering power-off protective device; realize uncovering power-off; the maintenance personal just can be under the prerequisite of not cutting off the electricity supply; light fixture is repaired or replaced luminous element, when perhaps this device is used on the miscellaneous equipment, also can similarly operate; after loam cake closes; this device continues again energising, and namely safety is convenient again, can not have potential safety hazard.
Description of drawings
Fig. 1 is the schematic perspective view of the uncovering power-off protective device that provides of the embodiment of the invention;
Fig. 2 is the schematic perspective view that power-off protection assembly that the embodiment of the invention provides is in off-position;
Fig. 3 is the schematic perspective view that power-off protection assembly that the embodiment of the invention provides is in "on" position.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of uncovering power-off protective device; comprise loam cake and can cooperate the lower cover that forms shell with described loam cake; also comprise the moving assembly that can be shifted and drive lower in moving of described moving assembly; realize the energising of power supply or the power-off protection assembly of outage, cover to be provided with on described and can drive the outer button that moving assembly moves.
Among the present invention, this device is when loam cake is opened, and the meeting auto-breaking keeps in repair equipment thereby be convenient to the maintenance personal, and namely safety is convenient again, can not have potential safety hazard, and after loam cake closed, device continued the realization energising.
Below in conjunction with concrete accompanying drawing realization of the present invention is described in detail.
Shown in Fig. 1~3, be a preferred embodiment provided by the invention.
In the present embodiment; uncovering power-off protective device 1 comprises loam cake 11; can match with described loam cake 11 and form the lower cover 12 of shell; moving assembly 13 and power-off protection assembly 14; has containing cavity in the shell that forms after loam cake 11 and lower cover 12 cooperate; be used for placing other part of this device; loam cake 11 is provided with and can drives the outer button 112 that moving assembly 13 moves; these outer button 112 1 ends are connected on the moving assembly 13; the other end exposes loam cake 11 outsides; moving assembly 13 is arranged on the lower cover 12; when loam cake 11 is combined on the lower cover 12 or loam cake 11 when dismantling from lower cover 12; the user is by pressing outer button 112; outer button 112 butt moving assemblies 13; driving moving assembly 13 moves; the mobile movement that can drive power-off protection assembly 14 of moving assembly 13, thus power-off protection assembly 14 is realized plugged or deenergization.
Above-mentioned uncovering power-off protective device 1 is applied in the light fixture; like this; the maintenance personal is when repairing or replacing luminous element to light fixture; it does not need powered-down; can directly take light fixture apart; namely so that being connected with lower cover, loam cake 11 breaks away from connection; light fixture is keeped in repair or carries out luminous element and change; when the shell of light fixture was in open mode, because uncovering power-off protective device 1, this light fixture can cut off the power supply voluntarily; like this; the maintenance personal does not then need to cut off the electricity supply, thereby can not have influence on the use of other power consumption equipment on the power circuit yet, and namely safety is convenient again.
Particularly, moving assembly 13 comprise set cover 12 sides be movably fastened bar 131, being connected to this is movably fastened the first spring part 133 of bar 131 front ends and is connected in the first push pedal 132 that is movably fastened bar 131 rear ends, this is movably fastened bar 131 engagement connections at the side of lower cover 12, it also can be movably fastened with loam cake 11 and be connected, thereby being movably fastened bar 131 by this between loam cake 11 and the lower cover 12 connects, when loam cake 11 spins off from being movably fastened bar 131, namely be in the state of uncapping, this is movably fastened bar 131 and can be shifted, at this moment, device also is in off-position; The first spring part 133 is arranged on the side of lower cover 12, the one end is connected on the end face of lower cover 12, the other end is connected to the front end that is movably fastened bar 131, like this, when External Force Acting when being movably fastened on the bar 131, External Force Acting makes and is movably fastened butt the first spring part 133 compressions on the bar 131, after external force disappears, be movably fastened bar 131 under the effect of the first spring part 133 elastic forces, then can reset; The first push pedal 132 is connected to the rear end of active card component, can by external force action in this first push pedal 132, realize being movably fastened the displacement of bar 131.
In the present embodiment, being provided with of two long side symmetries at lower cover 12 is movably fastened bar 131, like this, the two ends of the first push pedal 132 then are connected to symmetrical two and are movably fastened on the bar 131, namely the two ends of the first push pedal 132 are plugged in respectively being movably fastened in the bar 131 of lower cover 12 both sides, like this, can drive the movement that is movably fastened bar 131 by the first push pedal 132, and also all place the first spring part 133 at the front end that is movably fastened bar 131 of two long sides.
Be movably fastened the upper of bar 131 in above-mentioned, lower both sides have respectively slot 1311, this slot 1311 is used for and loam cake 11, lower cover 12 engagement connections, accordingly, be respectively equipped with the card article that can be movably fastened with this slot 1311 in the both sides of the inwall of the inwall of loam cake 11 and lower cover 12, generally speaking, be movably fastened bar 131 engagement connections on lower cover 12, like this, loam cake 11 can by with the engaging that is movably fastened bar 131, realize the cooperation of loam cake 11 and lower cover 12, certainly, can with loam cake 11 be connected bar 131 and break away from and connect, thereby realize uncapping.
Particularly, the slot 1311 that is movably fastened on the bar 131 is bending, and be arranged on be movably fastened on the bar 131 after, the whole bar 131 that is movably fastened is reversed acanthoid, like this, loam cake 11 is connected connect more firm with lower cover, also is convenient to the disengaging of loam cake 11 and lower cover 12.
As described in Fig. 2~3, power-off protection assembly 14 comprises the static contact 146 that is connected with external power source, movable and the movable contact spring 145 of static contact 146 butts and the elastic mechanisms that can drive described movable contact spring 145 movable movements, static contact 146 is in charged state when being connected with power supply, when movable contact spring 145 and static contact 146 butt, device is in the state of energising, movable contact spring 145 is under the drive of elastic mechanism, can break away from butt with static contact 146, when movable contact spring 145 and static contact 146 disengaging, device then is in the state of outage; Elastic mechanism is connected to and is movably fastened on the bar 131, it is along with the movement that is movably fastened bar 131, elastic mechanism can move along with the movement that is movably fastened bar 131, and in moving process, drive the movement of movable contact spring 145, and then realize the butt of movable contact spring 145 and static contact 146 or break away from butt, namely realize this device energising or outage.
Elastic mechanism comprises and is connected to the second push pedal 141 and the second spring part 144 that is movably fastened on the bar 131, this second push pedal 141 is connected to and is movably fastened on the bar 131, namely the two ends of the second push pedal 141 are plugged in respectively being movably fastened in the bar 131 of lower cover 12 both sides, like this, be movably fastened the mobile movement that can drive the second push pedal 141 of bar 131, and this second push pedal 141 can be connected to an end of movable contact spring 145, for so that the movement of movable contact spring 145 has elasticity, after namely acting on the external force disappearance of the second push pedal 141, under the effect of the second spring part 144, movable contact spring 145 can restore to the original state, and this second spring part 144 is connected on the movable contact spring 145.
In the present embodiment, the reset condition of movable contact spring 145 (original state) and static contact 146 butts namely are in the state of energising.
In above-mentioned, one end of movable contact spring 145 has butt post 1452, this butt post 1452 can be moved by the pressure drive movable contact spring 145 of the second push pedal 141, the other end of movable contact spring 145 has erection column, the second spring part 144 is sleeved on this erection column, when butt post 1452 is subject to the pressure of the second push pedal 141, it can drive movable contact spring 145 and move, thereby so that movable contact spring 145 breaks away from butt with static contact 146, i.e. outage, at this moment, the second spring that is sleeved on the erection column is compressed, after the pressure minimizing or disappearance of the second push pedal 141 that butt post 1452 is subject to, under the effect of the second spring part 144 elastic forces, movable contact spring 145 can be mobile, thus with static contact 146 butts, realize energising.
In the present embodiment, movable contact spring 145 has moving button 1451.Static contact 146 has quiet button 1461, and the butt between movable contact spring 145 and the static contact 146 is exactly the mutual butt of button on it.
On the ordinary circumstance, the quantity of movable contact spring button 1451 and static contact button 1461 is corresponding to the same two, and certainly, when applying to different occasion, the quantity of button can be three or more.
When movable contact spring 145 and static contact 146 are in when breaking away from the butt state; when being off-position; and this moment, loam cake 11 and lower cover 12 break away from cooperation fully, and the external force that acts on the second push pedal 141 also disappears; in order to guarantee that this device still is in off-position; this power-off protection assembly 14 also has can make the movable contact spring 145 mobile locating part 142 that stops, and namely it does the time spent when locating part 142, and movable contact spring 145 stops mobile; at this moment, device is in off-position.
Particularly, these locating part 142 1 ends place between the second push pedal 141 and the butt post 1452, can be subjected to the pressure of the second push pedal 141 for mobile, its other end is movable to be sticked on the lower cover 12, like this, under the effect of the second push pedal 141, when movable contact spring 145 and static contact 146 disengaging butt, device is in off-position, at this moment, the other end engagement connection of locating part 142 is on lower cover 12, when loam cake 11 was installed on the lower cover 12, at this moment, the second push pedal 141 continued to give the active force of locating part 142 and movable contact spring 145, so that locating part 142 lower covers 12 break away from snap-fit relationship, at this moment, under the effect of the second spring part 144, movable contact spring 145 can reset, return to states original and original and static contact 146 butts, namely device is in "on" position.
Above-mentioned locating part 142 is a strip shape body, the one end has groove 1421, accordingly, has the projection 122 that can match with this groove 1421 on the lower cover 12, when locating part 142 is fastened on the lower cover 12, groove 1421 can be fastened in the projection 122, certainly, also can be that an end of locating part 142 has projection, accordingly, have the groove that can match with this projection on the lower cover 12, the concrete setting decided by actual conditions.
In the present embodiment; power-off protection assembly 14 also has housing 143; movable contact spring 145, static contact 146 and the second spring part 144 all are placed in this housing 143; and on the end inner surface of this housing 143 that static contact 146 is fixed; 145 of movable contact springs can be in housing 143 interior movements, and accordingly, the other end of housing 143 has the butt piece that can be connected to the second spring part 144; one end of the second spring part 144 is connected on this butt piece, in the erection column of its other end suit.
Above-mentioned locating part 142 is bending, forms L and bumps against, and the one end places between the second push pedal 141 and the butt post 1452, and the other end stretches out, and is in vacant state.
The specific operation process of this uncovering power-off protective device 1 is: the user presses flexible button 112, flexible button 112 is connected in the first push pedal 132, the first push pedal 132 drives engaging activity bar 13 and moves to left, simultaneously, the second push pedal 141 also moves to left, movable contact spring 145 is given in 141 of the second push pedals, locating part 142 active forces, movable contact spring 145 moves to left and the butt of disengaging and static contact 146, and simultaneously, the second spring part 144 is compressed, locating part moves to left, 1421 of slots on it are fastened on the projection 122 of lower cover 12, at this moment, open loam cake 11 fully, device 1 is in off-position, and the user can keep in repair installing 1; When the user keep in repair complete after, after loam cake 11 is combined in lower cover 12, press flexible button 112, flexible button 112 is connected in the first push pedal 132, the first push pedal 132 drives engaging activity bar 13 and moves to left, simultaneously, the second push pedal 141 also moves to left, and movable contact spring 145 is given in 141 of the second push pedals, locating part 142 active forces, at this moment, movable contact spring 145 and static contact 146 still are in disengaged position, and simultaneously, the second spring part 144 continues compressed, locating part 142 moves to left, 1421 of slots on it break away from the projection 122 of lower cover 12 and engages, and at this moment, the user unclamps the button 112 that stretches, movable contact spring 145 moves to right under the restoring force effect of the second spring part 144, until with static contact 146 butts, like this, install 1 and be in "on" position.
The present invention also provides a kind of light fixture, and this light fixture has comprised above-mentioned uncovering power-off protective device 1, certainly; this has luminous element this light fixture, and this refractive body can be placed on the inside of device, also can be outside; this refractive body is electrically connected at movable contact spring 145; like this, when movable contact spring 145 and static contact 146 butt, be in "on" position; refractive body is lighted; when movable contact spring 145 and static contact 146 disengaging butt, be in off-position, refractive body does not work.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. uncovering power-off protective device; comprise loam cake and can cooperate the lower cover that forms shell with described loam cake; it is characterized in that; also comprise the moving assembly that can be shifted and can be under mobile drive of described moving assembly; realize the energising of power supply or the power-off protection assembly of outage, cover to be provided with on described and can drive the outer button that moving assembly moves.
2. power-off protection apparatus as claimed in claim 1; it is characterized in that; described moving assembly comprises being located at and describedly lower cover and can be movably fastened being movably fastened bar, being connected to and describedly being movably fastened the first spring part of bar front end and being connected in described the first push pedal that is movably fastened the bar rear end of being connected with described loam cake, lower cover, and described the first push pedal is connected to described outer button.
3. power-off protection apparatus as claimed in claim 2 is characterized in that, described being movably fastened has on the bar and can be movably fastened the draw-in groove that is connected with described loam cake, lower cover.
4. such as claim 1 or 2 or 3 described power-off protection apparatus; it is characterized in that, described power-off protection assembly comprises the static contact that can connect with external power source, can and can drive the movable mobile elastic mechanism of described movable contact spring with the movable contact spring of described static contact butt.
5. power-off protection apparatus as claimed in claim 4 is characterized in that, described elastic mechanism comprises and is connected in described the second spring part that is movably fastened the second push pedal of bar and is connected to described movable contact spring one side.
6. power-off protection apparatus as claimed in claim 4 is characterized in that, an end of described movable contact spring has the butt post that can be subjected to the second push pedal pressure, and the other end has can be by the erection column of the second spring part suit.
7. power-off protection apparatus as claimed in claim 4 is characterized in that, described power-off protection apparatus also has can make described movable contact spring stop mobile locating part.
8. power-off protection apparatus as claimed in claim 7 is characterized in that, an end of described locating part places between described the second push pedal and the described static contact, the other end be movably fastened under cover.
9. power-off protection apparatus as claimed in claim 8 is characterized in that, the other end of described locating part has groove, and described lower covering has the projection that can fasten with described groove.
10. a light fixture is characterized in that, comprises the described power-off protection apparatus of claim 1~9.
CN201110177414.8A 2011-06-28 2011-06-28 Cover opening power-off protection device and lamp Expired - Fee Related CN102856090B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110177414.8A CN102856090B (en) 2011-06-28 2011-06-28 Cover opening power-off protection device and lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110177414.8A CN102856090B (en) 2011-06-28 2011-06-28 Cover opening power-off protection device and lamp

Publications (2)

Publication Number Publication Date
CN102856090A true CN102856090A (en) 2013-01-02
CN102856090B CN102856090B (en) 2015-02-04

Family

ID=47402580

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110177414.8A Expired - Fee Related CN102856090B (en) 2011-06-28 2011-06-28 Cover opening power-off protection device and lamp

Country Status (1)

Country Link
CN (1) CN102856090B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104426017A (en) * 2013-08-28 2015-03-18 海洋王(东莞)照明科技有限公司 Plug and socket, and lamp with plug and socket
CN106764663A (en) * 2016-12-02 2017-05-31 余姚市舟照明科技有限公司 A kind of LED lamp
CN107089339A (en) * 2017-05-22 2017-08-25 南京信息工程大学 Unmanned plane emergency power off protection device out of control
CN112833539A (en) * 2019-11-22 2021-05-25 青岛经济技术开发区海尔热水器有限公司 Water heater
CN116838961A (en) * 2023-07-11 2023-10-03 江苏华辉照明科技股份有限公司 Assembled rotatable LED lamp

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2050925U (en) * 1989-01-12 1990-01-10 江苏工学院 Interlocking apparatus for explosion-proof fluorescent lamp
CN2080134U (en) * 1990-08-04 1991-07-03 煤炭科学研究总院上海分院 Joint of under well explosion-proof lamp and locking device
JP2004012490A (en) * 2002-06-03 2004-01-15 Canon Inc Illuminator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2050925U (en) * 1989-01-12 1990-01-10 江苏工学院 Interlocking apparatus for explosion-proof fluorescent lamp
CN2080134U (en) * 1990-08-04 1991-07-03 煤炭科学研究总院上海分院 Joint of under well explosion-proof lamp and locking device
JP2004012490A (en) * 2002-06-03 2004-01-15 Canon Inc Illuminator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104426017A (en) * 2013-08-28 2015-03-18 海洋王(东莞)照明科技有限公司 Plug and socket, and lamp with plug and socket
CN106764663A (en) * 2016-12-02 2017-05-31 余姚市舟照明科技有限公司 A kind of LED lamp
CN106764663B (en) * 2016-12-02 2019-09-24 余姚市一舟照明科技有限公司 A kind of LED lamp
CN107089339A (en) * 2017-05-22 2017-08-25 南京信息工程大学 Unmanned plane emergency power off protection device out of control
CN107089339B (en) * 2017-05-22 2023-07-28 南京信息工程大学 Unmanned aerial vehicle emergency power-off protection device that is out of control
CN112833539A (en) * 2019-11-22 2021-05-25 青岛经济技术开发区海尔热水器有限公司 Water heater
CN116838961A (en) * 2023-07-11 2023-10-03 江苏华辉照明科技股份有限公司 Assembled rotatable LED lamp
CN116838961B (en) * 2023-07-11 2024-01-30 江苏华辉照明科技股份有限公司 Assembled rotatable LED lamp

Also Published As

Publication number Publication date
CN102856090B (en) 2015-02-04

Similar Documents

Publication Publication Date Title
CN102856090A (en) Cover opening power-off protection device and lamp
US20150026890A1 (en) Emergency power supply device for an electromotive furniture drive for a piece of furniture, electromotive furniture drive, and a corresponding piece of furniture
CN110994272A (en) Intelligent socket convenient to dismouting just is equipped with waterproof component
CN111145669A (en) Distributed energy planning and utilization display device
CN205582745U (en) Spring shell fragment switch
CN115206183B (en) Electronic equipment
CN208766606U (en) Server with power-off protection function
CN2884601Y (en) Safety socket
CN212517971U (en) Safety protection's switch board
CN102820147B (en) Uncovering power-off protection structure and illuminating device
CN113934178B (en) Complex intelligent control system for safety power supply
CN214625613U (en) Safety protection socket
CN2142602Y (en) Push switch
CN215705211U (en) Portable automatic stamping device
CN211752114U (en) Fire-fighting equipment box convenient to remove and have lighting device
CN203931977U (en) Earth leakage protective device
CN219876395U (en) Microcomputer protection device with illumination function
CN204406054U (en) A kind of can with the timepiece movement of pre-packed battery
CN220873450U (en) Key assembly and electronic equipment
CN216849684U (en) Auxiliary device for electric power switching operation
CN209731284U (en) Self-powered interchanger
CN220038222U (en) Intelligent voice remote control small night lamp
CN214506655U (en) Interlocking device of mechanical electrical equipment
CN212765723U (en) Ignition control switching device based on electric locomotive power storage battery power supply system
CN215871354U (en) Proximity switch structure of distance variable

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150204

Termination date: 20200628