CN108231499A - A kind of earth leakage protective device - Google Patents
A kind of earth leakage protective device Download PDFInfo
- Publication number
- CN108231499A CN108231499A CN201611156527.9A CN201611156527A CN108231499A CN 108231499 A CN108231499 A CN 108231499A CN 201611156527 A CN201611156527 A CN 201611156527A CN 108231499 A CN108231499 A CN 108231499A
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- CN
- China
- Prior art keywords
- buckle releaser
- movable contact
- auxiliary switch
- release link
- contact spring
- 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.)
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Classifications
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- 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
- H01H71/24—Electromagnetic mechanisms
-
- 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
- H01H71/04—Means for indicating condition of the switching device
-
- 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The present invention relates to a kind of earth leakage protective devices, and including upper cover, pedestal and cartridge assemblies, cartridge assemblies further include：Movable contact spring；Auxiliary switch；Release link, the lower part of release link are provided with release link grab, and the bottom of release link resists resetting spring one end, and the resetting spring other end resists pedestal；Buckle releaser, the top of buckle releaser are provided with buckle releaser grab, and buckle releaser grab can mutually be clasped with release link grab in vertical direction；The side of buckle releaser is provided with the tripping coil for including dropout iron core, and buckle releaser can generate lateral shift under the action of the dropout iron core；Wherein, buckle releaser mandril and buckle releaser pull rod are additionally provided on buckle releaser, for controlling the auxiliary switch, buckle releaser pull rod is used to control movable contact spring buckle releaser mandril.Present invention has the advantages that：Coordinated using buckle releaser and the grab of release link, the reseting procedure of earth leakage protective device and dropout process can be reliably achieved.
Description
Technical field
The present invention relates to a kind of earth leakage protective devices.
Background technology
The small household appliances such as hair dryer largely all employ earth leakage protective device both at home and abroad at present, leak electricity in circuit
During failure, creepage protection function is realized.
In existing earth leakage protective device, in its used cartridge assemblies, often there is following problems：How to adopt
With electromechanical structure, it is impossible to be reliably achieved the reseting procedure of earth leakage protective device and dropout process.
Although having had some such devices to emerge now, complicated or reliability is bad, cannot be fine
Meet user demand.
Invention content
The technical problem to be solved in the present invention is to provide a kind of earth leakage protective devices, including upper cover, pedestal and include circuit board
Cartridge assemblies, the cartridge assemblies further include：
Movable contact spring, for load circuit to be controlled to be switched on or switched off；
Auxiliary switch, for auxiliary switching circuit to be controlled to be switched on or switched off；
Release link, the top of the release link are connected with reset button, and the lower part of the release link is provided with release link card
Hook, the bottom of the release link resist resetting spring one end, and the resetting spring other end resists pedestal；
Buckle releaser, the top of the buckle releaser are provided with buckle releaser grab, and the buckle releaser grab can be with the reset
Bar grab is mutually clasped in vertical direction；The side of the buckle releaser is provided with the tripping coil for including dropout iron core, the electricity
Road plate can control the tripping coil, and the buckle releaser can generate lateral shift under the action of the dropout iron core, make
The release link grab is obtained to disengage in vertical direction and the buckle releaser grab；Wherein, it is additionally provided with dropout on the buckle releaser
Device mandril and buckle releaser pull rod, for controlling the auxiliary switch, the buckle releaser pull rod is used to control the buckle releaser mandril
The movable contact spring.
Preferably, the cartridge assemblies further include trip spring, and one end of the trip spring resists the dropout iron
Core, the other end of the trip spring resist magnet ring lid；Groove is equipped in the middle part of the buckle releaser, the dropout iron core takes off with described
One end of button device connection can be snapped onto in the groove, enable the dropout iron core is synchronous with the buckle releaser to occur laterally
Offset.
Preferably, the buckle releaser mandril is located at the lower section of the auxiliary switch, and the buckle releaser pull rod is located at described
The lower section of movable contact spring,
When the buckle releaser mandril resists the auxiliary switch upwards, the auxiliary switching circuit is connected, when described de-
When button device mandril does not contact the auxiliary switch, the auxiliary switching circuit disconnects；
When the buckle releaser pull rod resists the movable contact spring upwards, the load circuit is connected, when the buckle releaser is drawn
When bar does not contact the movable contact spring, the load circuit disconnects.
Preferably, auxiliary switch stationary contact is arranged on the circuit board, and one end of the auxiliary switch is also secured at
On the circuit board, when the buckle releaser mandril resists the auxiliary switch upwards, auxiliary switch movable contact and auxiliary switch
Stationary contact point contact, the auxiliary switching circuit are connected；
Plug blades pass through the pedestal and stretch out, when the buckle releaser pull rod resists the movable contact spring upwards, movable contact spring
It is in contact with the electric contact in plug blades, the load circuit is connected.
Preferably, the other end being not fixed on the circuit board of the auxiliary switch is in cantilever-shaped, cantilever endpoint
Place is equipped with auxiliary switch movable contact, cooperates with the auxiliary switch stationary contact.
Preferably, the cantilever part of the auxiliary switch has elastic, the auxiliary switch movable contact under free state
It is disconnected with the auxiliary switch stationary contact.
Preferably, the movable contact spring includes firewire movable contact spring and zero curve movable contact spring, and firewire is respectively equipped in respective end
Movable contact spring contact and zero curve movable contact spring contact, be respectively used to on the firewire electric contact and zero curve plug blades in firewire plug blades
Zero curve contact or disconnection.
Preferably, the firewire movable contact spring and zero curve movable contact spring are respectively provided with elasticity, the firewire under free state
Movable contact spring contact and the zero curve movable contact spring contact disconnect respectively with the firewire electric contact and the zero curve electric contact.
The present invention also provides a kind of earth leakage protective device, including upper cover, pedestal and cartridge assemblies comprising circuit board, the machine
Core assembly includes release link, and the top of the release link is equipped with vertical transparent indicator light light guide sheet, the release link with it is multiple
Position button is fixed to each other, and when reset button is pressed, the indicator light light guide sheet therein can reflect what indicator light was sent out
Light, the head of the indicator light light guide sheet pass through the circuit board, and the indicator light can be observed by reset button
The light of light guide sheet reflection.
Preferably, the reset button offers indicator lamp hole, and the head of the indicator light light guide sheet is embedded in described
In the indicator lamp hole of reset button.
What the present invention can obtain has the technical effect that：Coordinated using buckle releaser and the grab of release link, it can be reliably real
The existing reseting procedure of earth leakage protective device and dropout process.In addition to this, additionally it is possible to by the setting of indicator light light guide sheet, by multiple
Position button on indicator lamp hole, observe product state in which or it is met the problem of.
Description of the drawings
Use state diagram when Fig. 1 is the earth leakage protective device external hair dryer of the present invention.
Fig. 2 is the exploded view of the earth leakage protective device of the present invention.
Fig. 3 is the side schematic view that the earth leakage protective device of the present invention is under closed state.
Fig. 4 is the side schematic view under the earth leakage protective device of the present invention is off.
Fig. 5 is the inside stereoscopic schematic diagram under a visual angle under the opening state of the earth leakage protective device of the present invention.
Fig. 6 is the inside stereoscopic schematic diagram under another visual angle under the opening state of the earth leakage protective device of the present invention.
Reference numeral：1 reset button hole of upper cover, 101 test button hole, 102 pedestal, 2 reset button, 3 indicator lamp hole
301 test button, 4 zero curve plug blades, 5 zero curve electric contact, 501 welded post, 502 firewire plug blades, 6 firewire electric contact 601
10 reset guide hole of welded post 602 line card, 7 output power line, 8 test spring, 9 circuit board, 1001 indicator light light guide sheet 11
1101 release link, 12 release link card an ancient unit of weight, 1201 release link light guide sheet card slot 1202 indicator light 13 in indicator light light guide sheet inclined-plane is multiple
1701 auxiliary switch stationary contact 18 of position 17 auxiliary switch movable contact of spring 14 tripping coil, 15 dropout iron core, 16 auxiliary switch
1903 buckle releaser mandril of buckle releaser 19 buckle releaser pull rod, 1901 buckle releaser pull rod, 1902 buckle releaser grab, 1904 zero curve moves tactile
20 zero curve movable contact spring electric contact of piece, 2,001 2002 firewire movable contact spring of zero curve movable contact spring pad, 21 firewire movable contact spring electric contact
2101 24 trip spring of firewire movable contact spring pad 2102 magnetic ring component, 22 magnet ring lid, 23 trip bolt, 25 hair dryer 50
Specific embodiment
In the detailed description of following embodiment, illustrated with reference to the attached drawing for the part for forming the description.It is attached
Figure shows specific embodiment in an illustrative manner, and the present invention is implemented in these embodiments.Shown implementation
Mode is not configured to limit all embodiments according to the present invention.It is appreciated that other embodiments can be utilized, tie
The change of structure or logicality can be made without departing from the scope of the present invention.For attached drawing, the art of directionality
Language, such as " under ", " on ", "left", "right" etc., are used with reference to the orientation of described attached drawing.Due to the reality of the present invention
The component for applying mode can be implemented with a variety of orientation, these directional terminologies are to be for the purpose of illustration rather than limit
Purpose.Therefore, following specific embodiment is not used as the meaning of limitation, and the scope of the present invention is by appended right
Claim is limited.
The earth leakage protective device of the present invention can be using external various electrical appliances as load, than as shown in Figure 1, for external hair dryer
Use state when 50.
About the specific detailed construction of earth leakage protective device, can situation be decomposed with the part that the explosive view of reference chart 2 is shown,
With reference to Fig. 5 and Fig. 6 earth leakage protective device opening state under inner case, and be aided with the closure and off-state of Fig. 3 and Fig. 4
Two kinds of different operating situations, understood.
As depicted in figs. 1 and 2, in currently preferred earth leakage protective device, including upper cover 1, pedestal 2 and cartridge assemblies.
As shown in Fig. 2, the main characteristic of the invention lies in that release link 12 and the construction and arrangement mode of buckle releaser 19.
As shown in Fig. 2, offering reset guide hole 1001 on circuit board 10, release link 12 can pass through this reset guide hole
1001.The top of release link 12 is fixedly linked with reset button 101, and preferably, the top of release link 12 is equipped with vertically saturating
Bright indicator light light guide sheet 11, preferably, indicator light light guide sheet 11 are arranged in release link light guide sheet card slot 1202.Release link
12 are fixed to each other with reset button 3.Reset button 3 offers indicator lamp hole 301, and the head of indicator light light guide sheet 11 is embedded in again
In the indicator lamp hole 301 of position button 3.It should be noted that if reset button 3 is transparent in itself, then can not also set and refer to
Show lamp hole 301, user directly can observe light below by transparent reset button 3, this is also meaning of the present invention
Scheme the range of protection.When reset button 3 is pressed, 11 therein of indicator light light guide sheet can reflect what indicator light 13 was sent out
Light, the head of indicator light light guide sheet 11 pass through circuit board 10, and can observe indicator light light guide sheet 11 by reset button 3
The light of reflection.It should be pointed out that the light that 11 therein of indicator light light guide sheet reflection indicator light 13 is sent out, can take a variety of
Form is achieved, such as：The first set-up mode (as shown in Figure 2) is：It is led for indicator light the bottom of indicator light light guide sheet 11
Mating plate inclined-plane 1101 (plane or inclined-plane, angle are most preferably 45 degree, can also be in 30-60 degree preferably), at this point, through referring to
Show that the light path that lamp light guide sheet inclined-plane 1101 reflects can be running vertically upwards along 11 therein of indicator light light guide sheet, Neng Goutong
The indicator lamp hole 301 for crossing reset button 3 observes this light；Second of set-up mode (not shown) be：From indicator light 13
The incident light sent out forms a upward angle (can be with very little, such as 1-20 degree) with horizontal direction, at this point, this incident ray
Light path reflection can be repeatedly carried out, and be communicated up light simultaneously between vertical bis- (more) sides medial surface of indicator light light guide sheet 11
Road until light is reached at the indicator lamp hole 301 of reset button 3, is observed by user；Above two set-up mode shows
Example property, it can also be used in combination, be the range that the invention is intended to protect, but not form to set-up mode herein of the invention
Limitation, if also being belonged to using other various light path transfer modes here, the invention is intended within protection domain.Release link 12
Lower part be provided with release link card an ancient unit of weight 1201, the bottom of release link 12 resists 14 one end of resetting spring, 14 other end of resetting spring
Resist pedestal 2.
As shown in Fig. 2, the top of buckle releaser 19 is provided with buckle releaser card an ancient unit of weight 1903, buckle releaser grab 1903 can be with reset
Bar card an ancient unit of weight 1201 is mutually clasped in vertical direction.The example face of buckle releaser 19 is provided with tripping coil 15, and tripping coil 15 includes
Dropout iron core 16, preferably, one end of trip spring 25 resist this dropout iron core 16, and the other end of trip spring 25 resists magnetic
Ring cowling 23.Position in relation to magnet ring lid 23, can with reference chart 3 and Fig. 4, it is in fact possible to magnet ring lid 23 be interpreted as upper cover 1 or
Some fixed position on pedestal 2 if the other end of trip spring 25 is resisted upper cover 1 or pedestal 2 is also possible, also belongs to
In claimed intention.From Fig. 2, it can be seen that the preferred embodiment of buckle releaser 19,19 middle part of buckle releaser are equipped with U-shaped
Groove is set to the one end fits that dropout iron core 16 is connect with buckle releaser 19 there are one concave ring, this concave ring of dropout iron core 16 is just
In the groove that buckle releaser 19 can be snapped onto well, make dropout iron core 16 is synchronous with buckle releaser 19 lateral shift occurs.Circuit board 10
On be disposed with circuit, the electric current in tripping coil 15 can be controlled, so make dropout iron core 16 occur lateral shift, take off as a result,
Button device 19 can generate lateral shift under the action of dropout iron core 16 so that release link grab 1201 is in vertical direction with threading off
Device grab 1903 disengages.It is understood that lateral shift herein is a wide meaning, such as in lateral shift one
While set a distance, some rotations also occur for buckle releaser 19, are also allowed, and also belong to present invention lateral shift described herein
Within the scope of.
As shown in Fig. 2, being provided with auxiliary switch stationary contact 18 on the circuit board 10, one end of auxiliary switch 17 is also secured at
On this circuit board 10.Preferably, the other end being not fixed on the circuit board 10 of auxiliary switch 17 is in cantilever-shaped, cantilever endpoint
Place is equipped with auxiliary switch movable contact 1701, cooperates with auxiliary switch stationary contact 18, the cantilever part of auxiliary switch 17 has
Elasticity, the auxiliary switch movable contact 1701 under free state are disconnected with auxiliary switch stationary contact 18.
Fig. 2 to be observed, and combines Fig. 3, Fig. 4 and Fig. 5, Fig. 6,19 top side of buckle releaser is provided with buckle releaser mandril 1904,
Buckle releaser mandril 1904 is located at the lower section of auxiliary switch 17, when buckle releaser mandril 1904 resists auxiliary switch 17 upwards, auxiliary
Switch movable contact point 1701 and auxiliary switch stationary contact 18 contact, and auxiliary switching circuit is connected, when buckle releaser mandril 1904 does not contact
During auxiliary switch 17, auxiliary switching circuit disconnects.The double examples in 19 lower part of buckle releaser be respectively arranged with buckle releaser pull rod 1901,
1902, buckle releaser pull rod 1901,1902 is located at the lower section of firewire movable contact spring 21 and zero curve movable contact spring 20 respectively, when buckle releaser pull rod
1901st, 1902 upwards when being respectively held against firewire movable contact spring 21 and zero curve movable contact spring 20, and the firewire movable contact spring of the respective end of the two touches
Point 2101 and zero curve movable contact spring contact 2001 respectively on the firewire electric contact 601 and zero curve plug blades 5 in firewire plug blades 6
Zero curve electric contact 501 contacts, and load circuit is connected at this time.Firewire movable contact spring 21 and zero curve movable contact spring 20 are respectively provided with elasticity, from
It is touched respectively with firewire electric contact 601 and zero curve electricity by the firewire movable contact spring contact 2101 under state and zero curve movable contact spring contact 2001
Point 501 disconnects namely load circuit disconnects.
It should be pointed out that in a preferred embodiment of the invention, while buckle releaser has been respectively adopted to firewire and zero curve
The setting of pull rod 1901,1902, and firewire movable contact spring 21 and zero curve movable contact spring 20 have been corresponded to respectively.In practice,
The setting of buckle releaser pull rod can be only taken zero curve to firewire or only, and is only accordingly moved using firewire movable contact spring or zero curve
One of contact, this is also that the invention is intended to one of technical solutions of protection.
The main feature of earth leakage protective device of the present invention described in detail above, the especially knot of release link 12 and buckle releaser 19
Structure and arrangement；The operation principle of earth leakage protective device of the present invention described in detail below, can be based on Fig. 2,3,4, and tie
Conjunction Fig. 5,6 are understood.In interpreting blueprints, it should be noted that Fig. 2 and Fig. 3,4 left and right directions are put on the contrary, and Fig. 5 is upper
Lid 1 has been placed on position on the lower, preferably to show its internal situation.
First, the reset principle and process of earth leakage protective device of the present invention are described.As shown in Figure 2,3, 4, when plug is inserted into
After in power outlet, reset button 3 is pressed, since release link 12 and reset button 3 link together, release link 12 is downwardly together
It is mobile, when moving down into certain position, release link grab 1201 in release link 12 can an ancient unit of weight live buckle releaser on buckle releaser 19
Grab 1903.It is noted that in fig. 2, the bottom of release link grab 1201 is an inclined-plane, release link grab 1201 it is interior
Recess portion is in plane an ancient unit of weight shape；Correspondingly, the top of buckle releaser card an ancient unit of weight 1903 is also an inclined-plane, buckle releaser grab 1903
Inner fovea part is also in plane hook-type.Therefore, when one of release link 12 and buckle releaser 19 itself or both are with elasticity to a certain degree
Under situation, above-mentioned two inclined-plane can be slided mutually, until the mutual an ancient unit of weight of above-mentioned two plane hook-type is lived, release link 12 at this time
With buckle releaser 19 vertical state is restored under respective elastic reaction again.Simultaneously as de- mouth spring 25 withstands dropout iron always
Core 16, and dropout iron core 16 is moved right with 19 synchronous horizontal of buckle releaser, so that buckle releaser card an ancient unit of weight 1903 and release link
Grab 1201 can be hooked mutually without unclamping.At this point, under the active force of resetting spring 14, release link 12 can be reset spring
14 up jack up, and so as to which buckle releaser 19 be pulled up to move together, buckle releaser pull rod 1901,1902 can be moved with zero curve respectively
Contact 20 and firewire movable contact spring 21 up move together, until the zero curve movable contact spring contact 2001 on zero curve movable contact spring 20 and firewire
Firewire movable contact spring contact 2101 on movable contact spring 21 connects respectively with the zero curve electric contact 501 in plug blades and firewire electric contact 601
It touches, completes the electrically connected of load circuit, i.e., from Fig. 4 state changes to Fig. 3 states.At the same time, in this resetting structure also
Defeated to help the welding of 17 one end of switch movable contact piece on the circuit board 10 there are one the connection of auxiliary circuit, other end riveting has auxiliary to open
Movable contact 1701 is closed, auxiliary switch stationary contact 18 is welded to above circuit board 10 and is connected with the circuit on circuit board 10.
When buckle releaser 19 up moves, the buckle releaser mandril 1904 set on buckle releaser 10 can help switch movable contact piece 17 up to push up defeated
It rises, auxiliary switch movable contact 1701 thereon is made to be contacted with auxiliary switch stationary contact 18, so as to complete auxiliary switching circuit
It is electrically connected.
It is worth noting that, when reset button 3 keeps down state, light that indicator light 13 at this time is sent out, just according to
The indicator light leaded light inclined-plane 1101 of the bottom of indicator light light guide sheet 11 is mapped to, light is after reflection along 11 court of indicator light light guide sheet
It advances to vertical top.It is appreciated that be specifically described by taking the first above-mentioned set-up mode as an example herein, second is set
It puts for mode (not shown) and all fours, i.e., between bis- (more) sides medial surface of the light through indicator light light guide sheet 11
After repeatedly carrying out light path reflection, advance towards 11 top of indicator light light guide sheet.Since reset button 3 offers indicator lamp hole 301
And the head of indicator light light guide sheet 11 is embedded in the indicator lamp hole 301 of reset button 3, therefore can observe with the naked eye this light
Line.When breaking down after pressing reset button 3 and resetting product or in product circuit, indicator light 13 can light, generation
The light of different colours is just reflected into reset button surface through indicator light light guide sheet 11, so as to prompt consumer products state in which
Or the problem of met.
Secondly, the dropout principle and process of earth leakage protective device of the present invention are described.As shown in Figure 2,3, 4, when press experiment by
Simulation leakage current is generated during button 4, in hookup, the amplified signal triggering exported through magnetic ring component 22 and IC is silicon-controlled (preferably
Mode), it is electric so as to obtain tripping coil 15 to make controlled silicon conducting, as shown in figure 4, dropout iron core 16 can turn right (due to Fig. 4 and figure
2 be heterochiral view, also then corresponds to being moved to the left in Fig. 2) it moves and pulls open buckle releaser 19, make de- on buckle releaser 19
After detaining the disengagement of release link card an ancient unit of weight 1201 in device card an ancient unit of weight 1903 and release link 12, release link 12 is in the active force of resetting spring 14
Under, pop up, buckle releaser 19 under the respective elastic force effect of itself of zero curve movable contact spring 20 and firewire movable contact spring 21 it is quick down
Zero curve movable contact spring 20 and firewire movable contact spring 21 mobile namely shown in Fig. 4 are respective under natural conditions in its, due to being figure
4 be the reason of side view, can only observe the situation of firewire movable contact spring 21.As a result, until the zero curve on zero curve movable contact spring 20 moves
Firewire movable contact spring contact 2101 on contact contact 2001 and firewire movable contact spring 21 will respectively with zero curve electric contact 501 and firewire
Electric contact 601 disconnects, so as to complete the electric power disjunction of load circuit.At the same time, auxiliary switch movable contact spring 17 is due to threading off
After the active force of device upper ejector pin 1904 is cancelled, disconnect auxiliary switch movable contact 1701 under the action of its own elastic force and auxiliary is opened
The electrically connected namely shown in Fig. 4 auxiliary switch movable contact spring 17 for closing stationary contact 18 is to be in it under natural conditions.
What the present invention can obtain has the technical effect that：Coordinated using buckle releaser and the grab of release link, it can be reliably real
The existing reseting procedure of earth leakage protective device and dropout process.In addition to this, additionally it is possible to by the setting of indicator light light guide sheet, by multiple
Position button on indicator lamp hole, observe product state in which or it is met the problem of.
Those skilled in the art will be understood that above-described embodiment is illustrative and not restrictive.In different embodiments
The different technologies feature of middle appearance can be combined, to obtain advantageous effect.Those skilled in the art are in research attached drawing, explanation
On the basis of book and claims, the embodiment of other variations of revealed embodiment is will be understood that and realized.Right will
Any reference numeral in asking is understood not to limiting of its scope.Certain technical characteristics appear in different subordinates
It is not meant to these technical characteristics cannot be combined to obtain advantageous effect in claim.
Claims (10)
1. a kind of earth leakage protective device, including upper cover (1), pedestal (2) and the cartridge assemblies for including circuit board (10), feature exists
In,
The cartridge assemblies, further include：
Movable contact spring (20,21), for load circuit to be controlled to be switched on or switched off；
Auxiliary switch (17), for auxiliary switching circuit to be controlled to be switched on or switched off；
Release link (12), the top of the release link (12) are connected with reset button (101), and the lower part of the release link (12) is set
Release link grab (1201) is equipped with, the bottom of the release link (12) resists resetting spring (14) one end, the resetting spring
(14) other end resists pedestal (2)；
Buckle releaser (19), the top of the buckle releaser (19) are provided with buckle releaser grab (1903), the buckle releaser grab
(1903) it can mutually be clasped in vertical direction with the release link grab (1201)；The side of the buckle releaser (19) is provided with
Tripping coil (15) comprising dropout iron core 16, the circuit board (10) can control the tripping coil (15), the dropout
Device (19) can generate lateral shift under the action of the dropout iron core (16) so that the release link grab (1201) is perpendicular
Nogata is disengaged to the buckle releaser grab (1903)；Wherein, it is additionally provided with buckle releaser mandril on the buckle releaser (19)
(1904) and buckle releaser pull rod (1901,1902), the buckle releaser mandril (1904) is for controlling the auxiliary switch (17), institute
Buckle releaser pull rod (1901,1902) is stated for controlling the movable contact spring (20,21).
2. earth leakage protective device as described in claim 1, which is characterized in that
The cartridge assemblies further include trip spring (25), and one end of the trip spring (25) resists the dropout iron core
(16), the other end of the trip spring (25) resists magnet ring lid (23)；
Groove is equipped in the middle part of the buckle releaser (19), one end that the dropout iron core (16) connect with the buckle releaser (19) can
It snaps onto in the groove, makes the dropout iron core (16) being capable of generation lateral shift synchronous with the buckle releaser (19).
3. earth leakage protective device as described in claim 1, which is characterized in that the buckle releaser mandril (1904) is positioned at the auxiliary
Switch the lower section of (17), the buckle releaser pull rod (1901,1902) positioned at the lower section of the movable contact spring (20,21),
When the buckle releaser mandril (1904) resists the auxiliary switch (17) upwards, the auxiliary switching circuit is connected, when
When the buckle releaser mandril (1904) does not contact the auxiliary switch (17), the auxiliary switching circuit disconnects；
When the buckle releaser pull rod (1901,1902) resists the movable contact spring (20,21) upwards, the load circuit is connected,
When the buckle releaser pull rod (1901,1902) does not contact the movable contact spring (20,21), the load circuit disconnects.
4. earth leakage protective device as claimed in claim 3, which is characterized in that
Auxiliary switch stationary contact (18) is arranged on the circuit board (10), and one end of the auxiliary switch (17) is also secured at institute
It states on circuit board (10), when the buckle releaser mandril (1904) resists the auxiliary switch (17) upwards, auxiliary switch moves tactile
Point (1701) and auxiliary switch stationary contact 18 contact, and the auxiliary switching circuit is connected；
Plug blades pass through the pedestal 2 and stretch out, when the buckle releaser pull rod (1901,1902) resists the movable contact spring upwards
When (20,21), movable contact spring (20,21) is in contact with the electric contact in plug blades, and the load circuit is connected.
5. earth leakage protective device as claimed in claim 4, which is characterized in that the auxiliary switch (17) is not fixed in the electricity
The other end on road plate (10) is in cantilever-shaped, auxiliary switch movable contact (1701) is equipped at cantilever endpoint, with the auxiliary switch
Stationary contact (18) cooperates.
6. earth leakage protective device as claimed in claim 5, which is characterized in that the cantilever part of the auxiliary switch (17) has bullet
Property, the auxiliary switch movable contact (1701) under free state is disconnected with the auxiliary switch stationary contact (18).
7. earth leakage protective device as described in claim 1, which is characterized in that the movable contact spring includes firewire movable contact spring (21) and zero
Line movable contact spring (20) is respectively equipped with firewire movable contact spring contact (2101) and zero curve movable contact spring contact (2001) in respective end, point
It Yong Yu not be connect with the zero curve electric contact (501) on the firewire electric contact (601) and zero curve plug blades (5) in firewire plug blades (6)
It touches or disconnects.
8. earth leakage protective device as claimed in claim 7, which is characterized in that
The firewire movable contact spring (21) and zero curve movable contact spring (20) are respectively provided with elasticity, the firewire movable contact spring under free state
Contact (2101) and the zero curve movable contact spring contact (2001) respectively with the firewire electric contact (601) and the zero curve electric contact
(501) it disconnects.
9. a kind of earth leakage protective device, including upper cover (1), pedestal (2) and the cartridge assemblies for including circuit board (10), the movement group
Part includes release link (12), which is characterized in that the top of the release link (12) is equipped with vertical transparent indicator light light guide sheet
(11), the release link (12) is fixed to each other with reset button (3), when reset button (3) is pressed, the indicator light light guide sheet
(11) therein can reflect the light that indicator light (13) is sent out, and the head of the indicator light light guide sheet (11) passes through the circuit
Plate (10), and the light of indicator light light guide sheet (11) reflection can be observed by reset button (3).
10. earth leakage protective device as claimed in claim 9, which is characterized in that the reset button (3) offers indicator lamp hole
(301), the head of the indicator light light guide sheet (11) is embedded in the indicator lamp hole (301) of the reset button (3).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156527.9A CN108231499B (en) | 2016-12-14 | 2016-12-14 | Leakage protector |
| US15/592,674 US10170265B2 (en) | 2016-12-14 | 2017-05-11 | Leakage current protection device |
| US15/808,839 US10770844B2 (en) | 2016-12-14 | 2017-11-09 | Leakage current protection device for power plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156527.9A CN108231499B (en) | 2016-12-14 | 2016-12-14 | Leakage protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108231499A true CN108231499A (en) | 2018-06-29 |
| CN108231499B CN108231499B (en) | 2020-02-21 |
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ID=62651278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611156527.9A Active CN108231499B (en) | 2016-12-14 | 2016-12-14 | Leakage protector |
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| Country | Link |
|---|---|
| CN (1) | CN108231499B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148231A (en) * | 2018-09-06 | 2019-01-04 | 黄诗雨 | A kind of breaker with automatic citrcuit bearker rated value |
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| JPH10284184A (en) * | 1997-03-31 | 1998-10-23 | Tempearl Ind Co Ltd | Leakage protection plug |
| CN2603491Y (en) * | 2003-01-29 | 2004-02-11 | 厦门华侨电子企业有限公司 | Press-button device with luminous indication for domestic electric appliances |
| CN201230073Y (en) * | 2008-07-22 | 2009-04-29 | 佛山市顺德区信辉达电子有限公司 | Plug having electricity leakage protection function |
| CN204424603U (en) * | 2015-02-10 | 2015-06-24 | 苏州益而益电器制造有限公司 | Earth leakage protective socket |
| CN206353513U (en) * | 2016-12-14 | 2017-07-25 | 苏州益而益电器制造有限公司 | A kind of earth leakage protective device |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10284184A (en) * | 1997-03-31 | 1998-10-23 | Tempearl Ind Co Ltd | Leakage protection plug |
| CN2603491Y (en) * | 2003-01-29 | 2004-02-11 | 厦门华侨电子企业有限公司 | Press-button device with luminous indication for domestic electric appliances |
| CN201230073Y (en) * | 2008-07-22 | 2009-04-29 | 佛山市顺德区信辉达电子有限公司 | Plug having electricity leakage protection function |
| CN204424603U (en) * | 2015-02-10 | 2015-06-24 | 苏州益而益电器制造有限公司 | Earth leakage protective socket |
| CN206353513U (en) * | 2016-12-14 | 2017-07-25 | 苏州益而益电器制造有限公司 | A kind of earth leakage protective device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148231A (en) * | 2018-09-06 | 2019-01-04 | 黄诗雨 | A kind of breaker with automatic citrcuit bearker rated value |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108231499B (en) | 2020-02-21 |
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