CN106207967A - One can put break-make type water outlet power-off leakage non-electricity protector - Google Patents
One can put break-make type water outlet power-off leakage non-electricity protector Download PDFInfo
- Publication number
- CN106207967A CN106207967A CN201610651410.1A CN201610651410A CN106207967A CN 106207967 A CN106207967 A CN 106207967A CN 201610651410 A CN201610651410 A CN 201610651410A CN 106207967 A CN106207967 A CN 106207967A
- Authority
- CN
- China
- Prior art keywords
- earth leakage
- leakage protective
- resistor
- pull
- switch
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
- H02H5/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays responsive to the entry or leakage of a liquid into an electrical appliance
Abstract
The open one of the present invention can put break-make type water outlet power-off leakage non-electricity protector, relates to electrical safety technical field, it is possible to reduce the volume of earth leakage protective device and reduce cost.Described put break-make type water outlet power-off leakage non-electricity protector, including: earth leakage protective operating member with control switch portion；Described earth leakage protective operating member, is connected with described control switch portion, for the control according to described control switch portion, load is carried out power on operation or power operation；Whether described control switch portion, is connected with described earth leakage protective operating member, for being controlled described earth leakage protective operating member to load power down.
Description
Technical field
The present invention relates to a kind of electric safety device, break-make type water outlet power-off leakage non-electricity protector can be put particularly to one.
Background technology
Water outlet power-off type earth leakage protective device has detected mainly by Hall water flow sensing unit and has then cut off leakage when water flows
Non-electricity protector load supplying loop, thus realize the purpose of the safe handling electric heater of water power isolation.
But, this water outlet power-off type earth leakage protective device must be equipped with independent power supply to water flow sensing unit and Electronic Control
Circuit works, and therefore adds the volume of earth leakage protective device, also improves cost.
Summary of the invention
Present invention aim to overcome disadvantages mentioned above, it is desirable to provide one can put break-make type water outlet power-off leakage electric protection
Device, it is possible to reduce the volume of earth leakage protective device and reduce cost.
On the one hand, the present invention provides one can put break-make type water outlet power-off leakage non-electricity protector, including: earth leakage protective operating member
With control switch portion；Described earth leakage protective operating member, is connected with described control switch portion, for according to described control switch portion
Control, load is carried out power on operation or power operation；Described control switch portion, is connected with described earth leakage protective operating member,
For whether described earth leakage protective operating member is controlled load power down.
Optionally, described control switch portion includes the first switch and the first pull-up resistor；Described first switch one end ground connection,
The other end is connected with described first pull-up resistor；Described first pull-up resistor one terminates positive supply, and the other end is opened with described first
Close and be connected；Described earth leakage protective operating member is connected with the public point of described first switch and described first pull-up resistor.
Optionally, described control switch portion includes second switch, the first divider resistance, the second divider resistance；Ground, described the
One divider resistance, described second divider resistance, described second switch, positive supply are the most in sequential series；Described earth leakage protective action
Portion is connected to the public point of described first divider resistance and described second divider resistance.
Optionally, described earth leakage protective device, also include Phototube Coupling portion；Described earth leakage protective operating member and described control are opened
GUAN spot is connected by described Phototube Coupling portion.
Optionally, described control switch portion includes the 3rd switch and the second pull-up resistor；Described Phototube Coupling portion includes light
Transmitting terminal and optical receiving end；For light emission side: described 3rd switch one end ground connection, the other end and described second pull-up resistor phase
Even；Described second pull-up resistor one terminates positive supply, and the other end is connected with described 3rd switch；Described light emission end and described the
Three switch in parallel；For light-receiving side: described optical receiving end, one end ground connection, the other end is just connected to by the 3rd pull-up resistor
Power supply；Described earth leakage protective operating member is connected to the public point of described optical receiving end and described 3rd pull-up resistor.
Optionally, described control switch portion includes the 4th switch and the 4th pull-up resistor；Described Phototube Coupling portion includes light
Transmitting terminal and optical receiving end；For light emission side: ground, described light emission end, described 4th pull-up resistor, described 4th switch,
Positive supply is the most in sequential series；For light-receiving side: ground, described optical receiving end, the 5th pull-up resistor, positive supply are the most sequentially gone here and there
Connection；Described earth leakage protective operating member is connected to the public point of described optical receiving end and described 5th pull-up resistor.
Optionally, described control switch portion includes controlled input module and the 6th pull-up resistor；Described Phototube Coupling portion wraps
Include light emission end and optical receiving end；For light emission side: ground, described light emission end, described 6th pull-up resistor, positive supply are each other
In sequential series；Described controlled input module is connected to the public point of described 6th pull-up resistor and described light emission end；For
Light-receiving side: ground, described optical receiving end, the 7th pull-up resistor, positive supply are the most in sequential series；Described earth leakage protective operating member is even
It is connected to the public point of described optical receiving end and described 7th pull-up resistor.
Optionally, the controlled signal of described controlled input module input includes: high level, low level or pulse signal.
Optionally, described control switch portion includes the magnetosensitive passive water flow switch of tongue tube upwards type.
The put break-make type water outlet power-off leakage non-electricity protector that the embodiment of the present invention provides, its earth leakage protective operating member connects to be had
Control switch portion, therefore, it is possible to according to the control of described control switch portion, load is carried out power on operation or power operation, save
Remove water flow sensing unit and control circuit plate thus effectively reduced the volume of earth leakage protective device and be greatly reduced cost.
Accompanying drawing explanation
A kind of structural representation of the put break-make type water outlet power-off leakage non-electricity protector that Fig. 1 provides for the embodiment of the present invention；
The another kind of structural representation of the put break-make type water outlet power-off leakage non-electricity protector that Fig. 2 provides for the embodiment of the present invention
Figure；
Another structural representation of the put break-make type water outlet power-off leakage non-electricity protector that Fig. 3 provides for the embodiment of the present invention
Figure；
The yet another construction signal of the put break-make type water outlet power-off leakage non-electricity protector that Fig. 4 provides for the embodiment of the present invention
Figure；
The signal of yet another construction again of the put break-make type water outlet power-off leakage non-electricity protector that Fig. 5 provides for the embodiment of the present invention
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
Embodiments of the invention provide one can put break-make type water outlet power-off leakage non-electricity protector, including:
Earth leakage protective operating member and control switch portion；
Described earth leakage protective operating member, is connected with described control switch portion, for the control according to described control switch portion,
Load is carried out power on operation or power operation；
To described earth leakage protective operating member whether described control switch portion, is connected with described earth leakage protective operating member, for
Load power down is controlled.
The put break-make type water outlet power-off leakage non-electricity protector that the embodiment of the present invention provides, its earth leakage protective operating member connects to be had
Control switch portion, therefore, it is possible to according to the control of described control switch portion, load is carried out power on operation or power operation, save
Remove water flow sensing unit and control circuit plate thus effectively reduced the volume of earth leakage protective device and be greatly reduced cost.
Optionally, as it is shown in figure 1, in one embodiment of the invention, control switch portion can include the first switch K1 and
First pull-up resistor R1；First switch K1 one end ground connection, the other end and the first pull-up resistor R1 are connected；First pull-up resistor R1 mono-
Termination positive supply, the other end and the first switch K1 are connected；Earth leakage protective operating member can include adhesive/disconnection control module, this suction
Close/disconnect control module with first switch K1 and the first pull-up resistor R1 public point be connected, can control triple-pole switch S1,
S2, S3 are opened or closed, in order to make load power down or power on.
Specifically, earth leakage protective operating member connects has the first switch K1 to control switch, and the first switch K1 both can be leakage
Non-electricity protector body circumscribed, it is also possible to be mounted on earth leakage protective device body；Earth leakage protective action can be given during K1 Guan Bi
Portion's input brown, controls can to when K1 disconnects earth leakage protective operating member input duration high voltage.Optionally, close as K1
During conjunction, earth leakage protective operating member input low-voltage 0V, therefore export open command, make S1, S2, S3 turned off in synchronization loads, it is achieved
On-off control power down function；When K1 disconnects, earth leakage protective operating member high input voltage 5V, therefore output adhesive instruction, makes S1,
S2, S3 synchronizing close, load obtains electricity work, it is achieved Electricity Functional on on-off control.
As in figure 2 it is shown, in another embodiment of the present invention, control switch portion can include second switch K2, first point
Piezoresistance R1, the second divider resistance R2；
Ground, the first divider resistance R11, the second divider resistance R12, second switch K2, positive supply are the most in sequential series；
Earth leakage protective operating member is connected to the first divider resistance R11 and the public point of the second divider resistance R12, can control
Triple-pole switch S1, S2, S3 processed are opened or closed, in order to make load power down or power on.
In the present embodiment, earth leakage protective operating member connects second switch K2, and this switch can be earth leakage protective device body
Circumscribed, it is also possible to be mounted on earth leakage protective device body；When K2 closes, earth leakage protective operating member high input voltage, defeated
Going out adhesive instruction, S1, S2, S3 synchronizing close, load obtains electricity work, it is achieved Electricity Functional on on-off control；When K2 disconnects, electric leakage
Protection act portion input low-voltage 0V, exports open command, and S1, S2, S3 turned off in synchronization loads, it is achieved on-off control power-off merit
Energy.
In above-described embodiment, control switch portion and be joined directly together, in order to improve leakage further with earth leakage protective operating member
The safety of non-electricity protector, further, the earth leakage protective device that the embodiment of the present invention provides, may also include Phototube Coupling portion；Institute
State earth leakage protective operating member to be connected by described Phototube Coupling portion with described control switch portion.
Illustrate, as it is shown on figure 3, embodiments of the invention provide one can put break-make type water outlet power-off leakage electric protection
Device, including: earth leakage protective operating member, control switch portion and Phototube Coupling portion U1；Described earth leakage protective operating member and described control
Switch portion is connected by Phototube Coupling portion U1；Wherein, described control switch portion includes the 3rd switch K3 and the second pull-up resistor R2；
Phototube Coupling portion U1 includes light emission end and optical receiving end；
For light emission side:
3rd switch K3 one end ground connection, the other end and the second pull-up resistor R2 are connected；Second pull-up resistor R2 mono-just terminates
Power supply, the other end and the 3rd switch K3 are connected；Light emission end and the 3rd switch K3 are in parallel；
For light-receiving side:
Optical receiving end, one end ground connection, the other end is connected to positive supply by the 3rd pull-up resistor R3；Earth leakage protective operating member
It is connected to optical receiving end and the public point of the 3rd pull-up resistor R3.
Concrete, Phototube Coupling portion U1 input uses the 3rd switch K3 to control；When K3 closes, U1 ends, and electric leakage is protected
Protecting operating member high input voltage 5V, output adhesive instruction, S1, S2, S3 synchronizing close, load obtains electricity work, it is achieved outside connected switch
Electricity Functional in control；When K3 disconnects, U1 saturation conduction, earth leakage protective operating member input low-voltage 0V, output open command,
S1, S2, S3 turned off in synchronization loads, it is achieved outside connected switch controls power down function.Due to control switch with earth leakage protective operating member it
Between use isolation photoelectric isolation technology, thus substantially increase the safety of earth leakage protective device.
Optionally, as shown in Figure 4, in another embodiment of the present invention, control switch portion and can include the 4th switch K4
With the 4th pull-up resistor R4；Described Phototube Coupling portion U1 can include light emission end and optical receiving end；
For light emission side:
Ground, light emission end, the 4th pull-up resistor R4, the 4th switch K4, positive supply are the most in sequential series；
For light-receiving side:
Ground, optical receiving end, the 5th pull-up resistor R5, positive supply are the most in sequential series；Earth leakage protective operating member is connected to light
Receiving terminal and the public point of the 5th pull-up resistor R5.
Phototube Coupling portion U1 input uses the 4th switch K4 to control；When K4 closes, Phototube Coupling portion U1 saturation conduction,
Earth leakage protective operating member input low-voltage 0V, output open command, S1, S2, S3 turned off in synchronization loads, it is achieved outside connected switch controls
Power down function；When K4 disconnects, Phototube Coupling portion U1 ends, earth leakage protective operating member high input voltage 5V, output adhesive instruction,
S1, S2, S3 synchronizing close, load obtains electricity work, it is achieved outside connected switch controls upper Electricity Functional.
Optionally, above-described embodiment controls switch portion and can include the magnetosensitive passive water flow switch of tongue tube upwards type, because of
This can realize water outlet power down function under the conditions of passive, it is not necessary to artificial secondary manipulation, convenient and simple, practical safety.
In the above-described embodiments, control switch portion all include physical switches, by switch control realization to load
Power-off or power on.But the invention is not restricted to this, in other embodiments of the invention, it is also possible to realize bearing by control signal
Carry power-off or power on.
Such as, as it is shown in figure 5, in the present embodiment, control switch portion and include controlled input module MCU and the 6th pull-up resistor
R6；Phototube Coupling portion U1 includes light emission end and optical receiving end；
For light emission side:
Ground, light emission end, the 6th pull-up resistor R6, positive supply are the most in sequential series；Controlled input module MCU is connected to
Six pull-up resistor R6 and the public point of light emission end；
For light-receiving side:
Ground, optical receiving end, the 7th pull-up resistor R7, positive supply are the most in sequential series；Earth leakage protective operating member is connected to light
Receiving terminal and the public point of the 7th pull-up resistor R7.
Optionally, the controlled signal of controlled input module MCU input includes: high level, low level or pulse signal.
When MCU continues output HIGH voltage, Phototube Coupling portion U1 turns on, and the input of earth leakage protective operating member is low-voltage 0v,
Thus exporting shutoff instruction, S1, S2, S3 turned off in synchronization loads, it is achieved MCU external control power down function；
When MCU persistently exports low-voltage, U1 ends, and the input of earth leakage protective operating member is high voltage 5v, and exports adhesive
Instruction, S1, S2, S3 synchronizing close, load obtains electricity work, it is achieved Electricity Functional in the external control of MCU；
When the height pulse of MCU output-controlled sequential, the controlled conducting of U1 and cut-off, the input of earth leakage protective operating member is sequential
Change high-low voltage 5V/0v, output can adjust according to pre-setting, thus realize MCU external control power down function or
Upper Electricity Functional.Optionally, current on off operating mode can be negated control by earth leakage protective operating member, it may be assumed that during adhesive, then disconnects, instead
Then adhesive control so that realizing 2 kinds of control models of Push And Release by same sequential.
Optionally, MCU, by external circuits control, can be body button operation, can be controlled radio operation, the present invention
Embodiment this is not limited.
The put break-make type water outlet power-off leakage non-electricity protector that the embodiment of the present invention provides, it is possible to utilize MCU expansion interface real
Existing secondary on-off function operation, this operation can be wired or wireless control, eliminates water flow sensing unit and control circuit plate fall
Low cost decreases volume and achieves the convenience that contactless manipulation brings.Further, radio operation can realize heat
Hydrophone is hidden and is installed, and makes arrangement space the most attractive in appearance.
In sum, above-mentioned embodiment is not the restricted embodiment of the present invention, all those skilled in the art
The modification carried out on the basis of the flesh and blood of the present invention or equivalent deformation, all at the technology category of the present invention.
Claims (9)
1. can put break-make type water outlet power-off leakage non-electricity protector for one kind, it is characterised in that including:
Earth leakage protective operating member and control switch portion；
Described earth leakage protective operating member, is connected with described control switch portion, for the control according to described control switch portion, to negative
It is loaded into row power on operation or power operation；
Whether described control switch portion, is connected with described earth leakage protective operating member, be used for described earth leakage protective operating member to negative
Load power-off is controlled.
2. earth leakage protective device as claimed in claim 1, it is characterised in that described control switch portion includes the first switch and first
Pull-up resistor；Described first switch one end ground connection, the other end is connected with described first pull-up resistor；Described first pull-up resistor one
Termination positive supply, the other end is connected with described first switch；Described earth leakage protective operating member and described first switch and described the
The public point of one pull-up resistor is connected.
3. earth leakage protective device as claimed in claim 1, it is characterised in that described control switch portion include second switch, first
Divider resistance, the second divider resistance；
Ground, described first divider resistance, described second divider resistance, described second switch, positive supply are the most in sequential series；
Described earth leakage protective operating member is connected to the public point of described first divider resistance and described second divider resistance.
4. earth leakage protective device as claimed in claim 1, it is characterised in that also include Phototube Coupling portion；Described earth leakage protective is moved
The portion that makees is connected by described Phototube Coupling portion with described control switch portion.
5. earth leakage protective device as claimed in claim 4, it is characterised in that described control switch portion includes the 3rd switch and second
Pull-up resistor；Described Phototube Coupling portion includes light emission end and optical receiving end；
For light emission side:
Described 3rd switch one end ground connection, the other end is connected with described second pull-up resistor；Described second pull-up resistor one terminates
Positive supply, the other end is connected with described 3rd switch；Described light emission end and described 3rd switch in parallel；
For light-receiving side:
Described optical receiving end, one end ground connection, the other end is connected to positive supply by the 3rd pull-up resistor；Described earth leakage protective action
Portion is connected to the public point of described optical receiving end and described 3rd pull-up resistor.
6. earth leakage protective device as claimed in claim 4, it is characterised in that described control switch portion includes the 4th switch and the 4th
Pull-up resistor；Described Phototube Coupling portion includes light emission end and optical receiving end；
For light emission side:
Ground, described light emission end, described 4th pull-up resistor, described 4th switch, positive supply the most in sequential series；
For light-receiving side:
Ground, described optical receiving end, the 5th pull-up resistor, positive supply are the most in sequential series；Described earth leakage protective operating member is connected to
Described optical receiving end and the public point of described 5th pull-up resistor.
7. earth leakage protective device as claimed in claim 4, it is characterised in that described control switch portion include controlled input module and
6th pull-up resistor；Described Phototube Coupling portion includes light emission end and optical receiving end；
For light emission side:
Ground, described light emission end, described 6th pull-up resistor, positive supply are the most in sequential series；Described controlled input module connects
Public point in described 6th pull-up resistor Yu described light emission end；
For light-receiving side:
Ground, described optical receiving end, the 7th pull-up resistor, positive supply are the most in sequential series；Described earth leakage protective operating member is connected to
Described optical receiving end and the public point of described 7th pull-up resistor.
8. earth leakage protective device as claimed in claim 7, it is characterised in that the controlled signal bag of described controlled input module input
Include: high level, low level or pulse signal.
9. earth leakage protective device as claimed in claim 1, it is characterised in that described control switch portion includes that magnetosensitive tongue tube turns over and sticks up
The passive water flow switch of formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651410.1A CN106207967A (en) | 2016-08-08 | 2016-08-08 | One can put break-make type water outlet power-off leakage non-electricity protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651410.1A CN106207967A (en) | 2016-08-08 | 2016-08-08 | One can put break-make type water outlet power-off leakage non-electricity protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106207967A true CN106207967A (en) | 2016-12-07 |
Family
ID=57514797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610651410.1A Pending CN106207967A (en) | 2016-08-08 | 2016-08-08 | One can put break-make type water outlet power-off leakage non-electricity protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106207967A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210765A (en) * | 2017-06-29 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its fault detection means |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6768622B2 (en) * | 2000-11-30 | 2004-07-27 | Micrel, Incorporated | Method and apparatus for providing thermal shutdown and current limiting protection |
| CN101986104A (en) * | 2010-12-03 | 2011-03-16 | 浦瑞斯仪表（上海）有限公司 | Quantitative control device for electromagnetic flow meter |
| CN103472874A (en) * | 2013-09-16 | 2013-12-25 | 东莞市唯成节能科技有限公司 | Instant heating type water temperature adjustment method and device |
| CN103852676A (en) * | 2012-11-30 | 2014-06-11 | 西门子公司 | Passive contact detection device and method |
| CN104868443A (en) * | 2015-05-15 | 2015-08-26 | 余姚市嘉荣电子电器有限公司 | Automatic power-on intelligent-type electric leakage protector |
| CN205029318U (en) * | 2015-09-28 | 2016-02-10 | 余姚市嘉荣电子电器有限公司 | Go out intelligent earth -leakage protector of water outage |
| CN105680408A (en) * | 2016-03-17 | 2016-06-15 | 余姚市嘉荣电子电器有限公司 | Abutting circuit of water flow sensor |
| CN205882674U (en) * | 2016-08-08 | 2017-01-11 | 余姚市嘉荣电子电器有限公司 | Can put break -make type goes out water outage earth -leakage protector |
-
2016
- 2016-08-08 CN CN201610651410.1A patent/CN106207967A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6768622B2 (en) * | 2000-11-30 | 2004-07-27 | Micrel, Incorporated | Method and apparatus for providing thermal shutdown and current limiting protection |
| CN101986104A (en) * | 2010-12-03 | 2011-03-16 | 浦瑞斯仪表（上海）有限公司 | Quantitative control device for electromagnetic flow meter |
| CN103852676A (en) * | 2012-11-30 | 2014-06-11 | 西门子公司 | Passive contact detection device and method |
| CN103472874A (en) * | 2013-09-16 | 2013-12-25 | 东莞市唯成节能科技有限公司 | Instant heating type water temperature adjustment method and device |
| CN104868443A (en) * | 2015-05-15 | 2015-08-26 | 余姚市嘉荣电子电器有限公司 | Automatic power-on intelligent-type electric leakage protector |
| CN205029318U (en) * | 2015-09-28 | 2016-02-10 | 余姚市嘉荣电子电器有限公司 | Go out intelligent earth -leakage protector of water outage |
| CN105680408A (en) * | 2016-03-17 | 2016-06-15 | 余姚市嘉荣电子电器有限公司 | Abutting circuit of water flow sensor |
| CN205882674U (en) * | 2016-08-08 | 2017-01-11 | 余姚市嘉荣电子电器有限公司 | Can put break -make type goes out water outage earth -leakage protector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210765A (en) * | 2017-06-29 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its fault detection means |
| CN109210765B (en) * | 2017-06-29 | 2024-04-16 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and fault detection device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103809492B (en) | One-touch multifunctional control circuit and wearing electronic product | |
| CN206323290U (en) | The starting or stopping control circuit and DC DC converters of DC DC converters | |
| CN206250502U (en) | A kind of smart jack | |
| CN206892800U (en) | A kind of leakage protection circuit and computer power supply | |
| CN107037848A (en) | A kind of intelligent domestic system based on Internet of Things | |
| CN205882674U (en) | Can put break -make type goes out water outage earth -leakage protector | |
| CN203423331U (en) | Multifunctional intelligent safety power supply socket without standby loss | |
| CN106207967A (en) | One can put break-make type water outlet power-off leakage non-electricity protector | |
| CN202025952U (en) | Intelligent security and energy-saving socket | |
| CN103633613B (en) | Too little current automatic power-off protection circuit and charger | |
| CN201285947Y (en) | Energy-saving socket for electromagnetic stove | |
| CN201845195U (en) | Automatic micro-power-consumption induction range hood control circuit | |
| CN205231394U (en) | Intelligence switch inserts row | |
| CN205029317U (en) | Electric electrical shutoff control circuit in earth -leakage protector automation | |
| CN202888790U (en) | Resettable over/under-voltage protector based on one-chip microcomputer | |
| CN107733413A (en) | A kind of Intelligent switching circuit and intelligent terminal for pre-installing battery system | |
| CN203272187U (en) | Time controller system of electric fan | |
| CN203685642U (en) | Touch stop electric fan | |
| CN204720964U (en) | Intelligent electric machine comprehensive protection device | |
| CN105759684B (en) | It is a kind of to prevent opening infrared induction intelligent switch certainly by monolithic processor controlled have a power failure | |
| CN204191011U (en) | A kind of indoor energy-saving illuminator | |
| CN213637506U (en) | Voltage switching circuit for user interface | |
| CN205882312U (en) | Intelligent inserted row | |
| CN204259217U (en) | Multifunctional all LED control module | |
| CN205141095U (en) | Electric quantity indicating circuit with time delay function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |