CN208423816U - Charger is automatically powered off after a kind of charging - Google Patents
Charger is automatically powered off after a kind of charging Download PDFInfo
- Publication number
- CN208423816U CN208423816U CN201721837197.XU CN201721837197U CN208423816U CN 208423816 U CN208423816 U CN 208423816U CN 201721837197 U CN201721837197 U CN 201721837197U CN 208423816 U CN208423816 U CN 208423816U
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- CN
- China
- Prior art keywords
- charging
- charger
- relay
- circuit board
- charging cable
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- 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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Abstract
The utility model discloses automatically power off charger after a kind of charging; including plug pedestal and power transformer; the bottom outer surface of the plug pedestal is equipped with plug; the upper end outer surface middle position of the plug pedestal is fixedly installed with charging interface and signal line jack; the upper end of the charging interface and signal line jack is equipped with charging cable and signal wire; and charging cable and signal wire are flexibly connected by charging interface and signal line jack with plug pedestal, the charging cable and signal wire both ends outer surface middle position are equipped with protection rubber sleeve.Charger is automatically powered off after a kind of charging described in the utility model, control section is provided with microswitch, temperature relay and the time relay.The utility model is also applied for wireless charger and the charging connectors with charge function.To make full use of existing charger, control section can be done to the attachment device of a charger and socket, equally reach the function of automatically powering off, bring better prospect of the application.
Description
Technical field
The utility model relates to charging equipment field, in particular to charger is automatically powered off after a kind of charging.
Background technique
The electric appliances such as mobile phone some of the staff after charging only lift down mobile phone etc., and charger is still inserted on socket,
Charger primary side is also in energized state, and the charger that gets off for a long time meeting accelerated ageing, the class of insulation, which can reduce, even to be deteriorated, therefore
Cause fire to happen occasionally, so a kind of control technology is needed to be used to cut off light source of charger after charger charging, reach
To charging, defencive function；There are certain drawbacks in existing charger, light source of charger on-off must be pulled out manually at present when in use
Fall or utilize switch OFF, but most of personnel do not do this movement, while the plug chassis interior of charger can also be in electrification
Therefore state has fire hazard, media report related event of fire often, and user is in electricity such as mobile phone, battery trucks
It may forget to pull out charger on time after fully charged due to falling asleep or being in busy condition after device, equipment charge, and
Under the high-temperature condition of summer sweltering heat, charger is likely to be at a kind of superheat state, and this state may result in fire, explosion
Occur Deng unexpected, bring serious fire incident hidden danger, for this purpose, it is proposed that automatically powering off skill after a kind of charging of charger
Art.
This control technology can be used for the power-off protection of existing charger, increase a company between charger and socket
Connection device can cut off the power supply inside charging base, safer relative to power supply at traditional cutting charging cable port,
It can reach charging, defencive function.
Utility model content
The main purpose of the utility model is to provide charger is automatically powered off after a kind of charging, background can be effectively solved
The problems in technology.
To achieve the above object, the technical solution that the utility model is taken are as follows:
Charger, including plug pedestal and power transformer, the bottom end of the plug pedestal are automatically powered off after a kind of charging
Outer surface is equipped with plug, and the upper end outer surface middle position of the plug pedestal is fixedly installed with charging interface and signal wire is inserted
The upper end of hole, the charging interface and signal line jack is equipped with charging cable and signal wire, and charging cable and signal wire pass through charging
Interface and signal line jack are flexibly connected with plug pedestal, and the charging cable and signal wire both ends outer surface middle position are equipped with and protect
Rubber sleeve is protected, the charging cable and the signal wire other end are fixedly installed with charging cable port, and the upper surface of charging cable port is set
There is QA button, the outer surface side of the charging cable port is equipped with microswitch, and the outer surface side of microswitch is equipped with touching
Point and spring leaf, the inside of the plug pedestal is equipped with circuit board, and the upper end outer surface of circuit board is equipped with high frequency transformer, institute
The upper end outer surface for stating circuit board is equipped with temperature relay, the upper end outer surface of the circuit board close to the side of high frequency transformer
Position in the middle part of charging interface is equipped with reference voltage source, and the side of the charging interface is equipped with output voltage stabilizer, the electricity
The side of power transformer is equipped with intermediate relay, and the intermediate relay is equipped with two poles of rectification far from the side of power transformer
The upper end outer surface of pipe, the circuit board is equipped with the time relay far from the side middle position of charging interface.
Preferably, the temperature relay, the time relay, intermediate relay and microswitch constitute the disconnected of the device
Electrical protective device.
Preferably, the microswitch, high frequency transformer, QA button, output voltage stabilizer, temperature relay, time relay
Device, intermediate relay are electrically connected with circuit board.
Preferably, the quantity of the protection rubber sleeve is three groups, and the protection rubber sleeve is wrapped in the both ends of charging cable.
Preferably, the circuit board installation by adhering is embedding in the inside of plug pedestal or charging connectors, or by control section
Enter the inside that formula is mounted on the attachment device of charger and socket.
Preferably, the outer surface of the plug pedestal and charging cable is coated with polyethylene waterproof coating.
Compared with prior art, the utility model has the following beneficial effects:
1, it by the microswitch being equipped with, can be cut off intermediate in the case where user does not pull out charger or is not related to switch
The on-off of relay, so that the on-off of power supply is controlled, it can be to avoid the generation of charger accelerated ageing and fire hazard.
2, by the temperature relay being equipped with, charger temperature is excessively high under hot high-temperature condition, can utilize temperature
It spends relay overtemperature and cuts off intermediate relay, to control the on-off of light source of charger, charger is avoided to cause fire or quick-fried
The generation of fried situation.
3, time relay timing for cutting is utilized by the setting charging time of user by the time relay being equipped with
Disconnected intermediate relay, prevents user from not pulling up charger in time after fully charged due to busy etc..
4, the utility model can make up causes charger long-term due to user's carelessness does not cut off light source of charger
In electriferous state, make charger insulation accelerated ageing, even results in the danger that fire occurs, protection user's property even life
It is not encroached on.
Detailed description of the invention
Fig. 1 is to automatically power off the overall structure diagram of charger after a kind of charging of the utility model.
Fig. 2 is to automatically power off the plug schematic diagram of base structure of charger after a kind of charging of the utility model.
Fig. 3 is to automatically power off the charging cable port organization schematic diagram of charger after a kind of charging of the utility model.
Fig. 4 is to automatically power off the flow chart of charger after a kind of charging of the utility model.
Fig. 5 is to automatically power off the electrical schematic diagram of charger after a kind of charging of the utility model.
In figure: 1, protecting rubber sleeve；2, charging interface；3, charger plug；4, plug pedestal；5, plug；6, charging cable；
7, charging cable port；8, reference voltage source；9, output voltage stabilizer；10, signal line jack；11, intermediate relay；12, electric power becomes
Depressor；13, the time relay；14, QA button；15, circuit board；16, high frequency transformer；17, temperature relay；18, fine motion is opened
It closes；19, spring leaf；20, contact；21, rectifier diode；22, signal wire.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs. 1-5, charger, including plug pedestal 4 and power transformer 12, plug are automatically powered off after a kind of charging
The bottom outer surface of pedestal 4 is equipped with plug 5, and the upper end outer surface middle position of plug pedestal 4 is fixedly installed with 2 He of charging interface
The upper end of signal line jack 10, charging interface 2 and signal line jack 10 is equipped with charging cable 6 and signal wire 22, and charging cable 6 and letter
Number line 22 is flexibly connected by charging interface 2 and signal line jack 10 with plug pedestal 4, charging cable 6 with outside 22 both ends of signal wire
Surface middle position is equipped with protection rubber sleeve 1, and charging cable 6 and 22 other end of signal wire are fixedly installed with charging cable port 7, and fill
The upper surface of electric wire port 7 is equipped with QA button 14, and the outer surface side of charging cable port 7 is equipped with microswitch 18, and fine motion is opened
The outer surface side for closing 18 is equipped with contact 20 and spring leaf 19, and the inside of plug pedestal 4 is equipped with circuit board 15, and circuit board 15
Upper end outer surface is equipped with high frequency transformer 16, and the upper end outer surface of circuit board 15 is equipped with temperature close to the side of high frequency transformer 16
The upper end outer surface of relay 17, circuit board 15 is equipped with reference voltage source 8, charging interface 3 close to the position at 3 middle part of charging interface
Side be equipped with output voltage stabilizer 9, the side of power transformer 12 is equipped with intermediate relay 11, and intermediate relay 11 is far from electric power
The side of transformer 12 is equipped with rectifier diode 21, and the upper end outer surface of circuit board 15 is far from the side interposition of charging interface 3
Install having time relay 13.
Temperature relay 17, the time relay 13, intermediate relay 11 and microswitch 18 constitute the power-off of the device
Protective device；Microswitch 18, high frequency transformer 16, QA button 14, output voltage stabilizer 9, temperature relay 17, the time relay
13, intermediate relay 11 is electrically connected with circuit board 15, and plug 5 is also applied for band line plug；This utility model is also applied for
Wireless charger；This utility model is also applied for USB charging connectors；This utility model be also applied for existing charger and socket it
Between attachment device；This utility model be also applied for battery truck etc. automatically power off protection after the charging of charging equipment in need；
The quantity for protecting rubber sleeve 1 is three groups, and protection rubber sleeve 1 is wrapped in the both ends of charging cable 6；15 installation by adhering of circuit board is being inserted
The inside of head pedestal 4 or USB charging connectors, or by control section installation by adhering in the attachment device of charger and socket
Portion；The outer surface of plug pedestal 4 and charging cable 6 is coated with polyethylene waterproof coating.
It should be noted that the utility model be a kind of charging after automatically power off charger, by the plug 5 of plug pedestal 4
It is inserted into user's socket, 5 volts (or other voltage gradations) can be converted AC 220 V voltage to by power transformer 12, is led to
AC energy can be changed into direct current energy by over commutation diode 21, by one with microswitch 18 and signal wire 22
Charging cable 6, microswitch 18 are normally opened contact, when (or battery truck fills 6 port of the charging cable insertion cellphone pore with microswitch 18
Electrical socket) in, contact 20 is squeezed by spring leaf 19, makes signal wire 22 to one electric signal of charger, to control charger
Power on, the normally opened contact of intermediate relay 11 obtains electric closure, and entire circuit is powered and can charge to mobile phone, works as extraction
After charging cable 6, the reset of spring leaf 19 in microswitch 18 is cut off the power, and the normally opened contact of intermediate relay 11 resets, entirely
Down circuitry, other end charging interface 2 are inserted into charger plug 3, and signal wire plug is inserted into the signal line jack in plug pedestal 4
In 10, on/off is controlled by the intermediate relay 11 in plug pedestal 4, microswitch 18 can not pull out charger in user
Or in the case where being not related to switch, cut off the power, it can be to avoid the generation of charger accelerated ageing and fire hazard, when in sweltering heat
High-temperature condition under charger temperature it is excessively high, when temperature be more than temperature relay 17 setting value when, normally-closed contact disconnect, thus
Intermediate relay 11 is powered off, the overtemperature prote of charger is realized, charger is avoided to cause the production of fire or explosive event
It is raw, when charging between arrival time relay 13 be arranged time value when, normally-closed contact disconnects, thus by intermediate relay 11
It disconnects, to prevent user from not pulling up charger in time after fully charged due to busy etc..
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. automatically powering off charger after a kind of charging, including plug pedestal (4) and power transformer (12), it is characterised in that: institute
The bottom outer surface for stating plug pedestal (4) is equipped with plug (5), and the upper end outer surface middle position of the plug pedestal (4) is fixed
Charging interface (2) and signal line jack (10) be installed, the upper end of the charging interface (2) and signal line jack (10), which is equipped with, to be filled
Electric wire (6) and signal wire (22), and charging cable (6) and signal wire (22) by charging interface (2) and signal line jack (10) and
Plug pedestal (4) is flexibly connected, and the charging cable (6) and signal wire (22) both ends outer surface middle position are equipped with protection rubber sleeve
(1), the charging cable (6) and signal wire (22) other end are fixedly installed with charging cable port (7), and charging cable port (7)
Upper surface is equipped with QA button (14), and the outer surface side of the charging cable port (7) is equipped with microswitch (18), and microswitch
(18) outer surface side is equipped with contact (20) and spring leaf (19), and the inside of the plug pedestal (4) is equipped with circuit board (15),
And the upper end outer surface of circuit board (15) is equipped with high frequency transformer (16), the upper end outer surface of the circuit board (15) is close to high frequency
The side of transformer (16) is equipped with temperature relay (17), and the upper end outer surface of the circuit board (15) is close to charging interface (3)
The position at middle part is equipped with reference voltage source (8), and the side of the charging interface (3) is equipped with output voltage stabilizer (9), and the electric power becomes
The side of depressor (12) is equipped with intermediate relay (11), and the intermediate relay (11) sets far from the side of power transformer (12)
Have rectifier diode (21), the upper end outer surface of the circuit board (15) is equipped with far from the side middle position of charging interface (3)
The time relay (13).
2. automatically powering off charger after a kind of charging according to claim 1, it is characterised in that: the temperature relay
(17), the time relay (13), intermediate relay (11) automatically power off charger after constituting the charging with microswitch (18)
Power-off protection apparatus.
3. automatically powering off charger after a kind of charging according to claim 1, it is characterised in that: the microswitch
(18), high frequency transformer (16), QA button (14), output voltage stabilizer (9), temperature relay (17), the time relay (13), in
Between relay (11) with circuit board (15) be electrically connected.
4. automatically powering off charger after a kind of charging according to claim 1, it is characterised in that: the protection rubber sleeve
(1) quantity is three groups, and protection rubber sleeve (1) is wrapped in the both ends of charging cable (6) and signal wire (22).
5. automatically powering off charger after a kind of charging according to claim 1, it is characterised in that: the circuit board (15) is embedding
Enter the inside that formula is mounted on plug pedestal (4) or charging connectors, or by control section installation by adhering in charger and socket
The inside of attachment device.
6. automatically powering off charger after a kind of charging according to claim 1, it is characterised in that: the plug pedestal (4)
Polyethylene waterproof coating is coated with the outer surface of charging cable (6) and signal wire (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721837197.XU CN208423816U (en) | 2017-12-25 | 2017-12-25 | Charger is automatically powered off after a kind of charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721837197.XU CN208423816U (en) | 2017-12-25 | 2017-12-25 | Charger is automatically powered off after a kind of charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208423816U true CN208423816U (en) | 2019-01-22 |
Family
ID=65120394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721837197.XU Expired - Fee Related CN208423816U (en) | 2017-12-25 | 2017-12-25 | Charger is automatically powered off after a kind of charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208423816U (en) |
-
2017
- 2017-12-25 CN CN201721837197.XU patent/CN208423816U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190122 Termination date: 20191225 |