CN205622206U - Excess temperature automatic cutout power output's row inserts circuit - Google Patents
Excess temperature automatic cutout power output's row inserts circuit Download PDFInfo
- Publication number
- CN205622206U CN205622206U CN201620312975.2U CN201620312975U CN205622206U CN 205622206 U CN205622206 U CN 205622206U CN 201620312975 U CN201620312975 U CN 201620312975U CN 205622206 U CN205622206 U CN 205622206U
- Authority
- CN
- China
- Prior art keywords
- circuit
- excess temperature
- comparator
- socket
- power supply
- 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.)
- Active
Links
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model provides an excess temperature automatic cutout power output's row inserts circuit, relates to battery charging outfit technical field, and its circuit includes transformer, ac circuit, dc circuit and be used for cutting off ac circuit's voltage output's circuit break when the excess temperature, circuit break includes temperature sensor, comparator, includes optic -coupling parts's on -off control circuit and cut out cock, temperature transducer that row that temperature sensor will sense inserted is for voltage and deliver to an input of comparator, and another input termination of comparator is useful in the circuit that provides reference voltage, and the output of comparator connects optic -coupling parts's illuminator, and optic -coupling parts's photic ware is used for controlling the break -make of cut out cock, the cut out cock connect in in the ac circuit return circuit, optic -coupling parts through setting up in circuit break can realize separating ac circuit and dc circuit, the danger that can avoid the alternating current -direct current to gang up, still can be when row inserts the excess temperature in ac circuit the row of cutting off insert the voltage output of circuit.
Description
Technical field
This utility model relates to charger technical field, particularly relates to a kind of excess temperature and automatically cuts off the socket circuit of power supply output.
Background technology
Socket is i.e. insert row, formal name used at school patch panel.Socket is the one of socket, only multiple sockets is concentrated and puts together, thus the porous socket formed.Such combination has a lot of benefit, can one multiplex, not only save space but also save circuit, be a simplest and practical product.Generally insert row refers to charged line and plug and transportable porous socket.
The socket circuit of prior art, typically can not automatically cut off power supply output when excess temperature.
Also some socket circuit can be embodied as loading fully charged after, automatically cut off power supply output, in order to reduce the no-load power consumption of insert row circuit, can cut off the electricity supply output at AC, but prior art generally by single-chip microcomputer write software realize loading fully charged after automatically power off, if because the sampling of single-chip microcomputer and control are carried out in the primary of transformator, then the primary and secondary of transformator works through the connection of single-chip microcomputer simultaneously, alternating current-direct current will be made to gang up, danger can be produced.
Utility model content
The purpose of this utility model is to avoid weak point of the prior art to provide a kind of excess temperature to automatically cut off the socket circuit of power supply output, and this excess temperature automatically cuts off the socket circuit of power supply output and no-load power consumption can be made little, it is possible to avoid the danger that alternating current-direct current is ganged up.
The purpose of this utility model is achieved through the following technical solutions:
A kind of excess temperature is provided to automatically cut off the socket circuit of power supply output, including transformator, it is connected to the primary alternating current circuit of transformator, it is connected to the secondary DC circuit of transformator and for cutting off the cut-out circuit of the voltage output of alternating current circuit when excess temperature, described cut-out circuit includes temperature sensor, comparator, on-off control circuit and roof-cut resistence including optocoupler, the temperature transition of the socket sensed is voltage the input delivering to comparator by described temperature sensor, another input of comparator is connected to the circuit for providing reference voltage, the output of comparator connects the luminous organ of optocoupler, the light-receiving device of optocoupler is for controlling the break-make of roof-cut resistence, described roof-cut resistence is connected in described alternating current circuit loop.
Described comparator is an operational amplifier in dual operational amplifier.
The model of described dual operational amplifier is the dual operational amplifier of LM358.
The outfan of described DC circuit is the 4th pin of USB interface.
The circuit of described offer reference voltage is bleeder circuit.
Described on-off control circuit includes diode, field effect transistor and bidirectional thyristor, diode is connected to the outfan of comparator, diode current flow then field effect transistor is ended, the luminous organ that field effect transistor ends then optocoupler is the most luminous, and then the light-receiving device of optocoupler is not turned on, and then bidirectional thyristor is not turned on, bidirectional thyristor is connected in the loop of alternating current circuit.
Described temperature sensor is critesistor.
Described bidirectional thyristor is parallel with by compressing switch.
The beneficial effects of the utility model:nullA kind of excess temperature of the present utility model automatically cuts off the socket circuit of power supply output and includes transformator、It is connected to the primary alternating current circuit of transformator、It is connected to the secondary DC circuit of transformator and for cutting off the cut-out circuit of the voltage output of alternating current circuit when excess temperature，Described cut-out circuit includes temperature sensor、Comparator、On-off control circuit and roof-cut resistence including optocoupler，The temperature transition of the socket sensed is voltage the input delivering to comparator by described temperature sensor，Another input of comparator is connected to the circuit for providing reference voltage，The output of comparator connects the luminous organ of optocoupler，The light-receiving device of optocoupler is for controlling the break-make of roof-cut resistence，Described roof-cut resistence is connected in described alternating current circuit loop，When socket excess temperature，Temperature sensor is delivered to the voltage of comparator and is made the outfan output low level of comparator，And then optocoupler does not works，Roof-cut resistence is disconnected cut off to be exported by the voltage of socket from the loop of alternating current circuit，By the optocoupler arranged in cutting off circuit，Can realize separating alternating current circuit and DC circuit，The danger that alternating current-direct current is ganged up can be avoided，The voltage output of socket circuit also can be cut off in alternating current circuit when socket excess temperature，Reduce the purpose of the no-load power consumption of socket.
Accompanying drawing explanation
Utilize accompanying drawing that utility model is described further, but the embodiment in accompanying drawing does not constitute any restriction of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.
Fig. 1 is the circuit diagram that a kind of excess temperature of the present utility model automatically cuts off the socket circuit of power supply output.
Detailed description of the invention
With the following Examples this utility model is further described.
A kind of excess temperature of the present embodiment automatically cuts off the socket circuit of power supply output, including transformator, it is connected to the primary alternating current circuit of transformator, it is connected to the secondary DC circuit of transformator and for cutting off the cut-out circuit of the voltage output of alternating current circuit when excess temperature, described cut-out circuit includes temperature sensor, comparator, on-off control circuit and roof-cut resistence including optocoupler, the temperature transition of the socket sensed is voltage the input delivering to comparator by described temperature sensor, another input of comparator is connected to the circuit for providing reference voltage, the output of comparator connects the luminous organ of optocoupler, the light-receiving device of optocoupler is for controlling the break-make of roof-cut resistence, described roof-cut resistence is connected in described alternating current circuit loop.
As it is shown in figure 1, described cut-out circuit include critesistor RT1, diode D8, as comparator model be LM358 chip U4, provide the resistance R22 and resistance R24 of reference voltage, diode D5, optocoupler U2, switch K1 and bidirectional thyristor Q1.
Being provided with contact A and contact B in described alternating current circuit, bidirectional thyristor Q1 is connected between contact A and contact B, and resistance R22 and resistance R24 is connected to the pin 5 of chip U4, the i.e. positive input terminal of operational amplifier as bleeder circuit.
During charging, press switch K1, by bidirectional thyristor Q1 short circuit, civil power is through alternating current circuit, USB interface USB1 of transformator T1 and DC circuit is load charging, when socket excess temperature, critesistor RT1 is along with the rising of temperature, critesistor RT1 raises the voltage of diode D8 positive pole, diode D8 is turned on, 6 feet of chip U4, the i.e. voltage of negative input end is driven high, the outfan that 7 feet are operational amplifier of chip U4, its output low level, diode D5 turns on, field effect transistor Q4 is ended, and then the luminous organ of optocoupler U2 is the most luminous, the light-receiving device of optocoupler U2 does not works, bidirectional thyristor Q1 is not turned on, and then cut off the contact A and contact B of alternating current circuit.
A kind of excess temperature of the present embodiment automatically cuts off the socket circuit of power supply output, by cutting off the optocoupler arranged in circuit, can realize separating alternating current circuit and DC circuit, the danger that alternating current-direct current is ganged up can be avoided, also can cut off the voltage output of socket circuit when loading fully charged in alternating current circuit, and then reduce the no-load power consumption of socket.
Finally should be noted that; above example is only in order to illustrate the technical solution of the utility model; rather than the restriction to this utility model protection domain; although having made to explain to this utility model with reference to preferred embodiment; it will be understood by those within the art that; the technical solution of the utility model can be modified or equivalent, without deviating from the spirit and scope of technical solutions of the utility model.
Claims (8)
1. an excess temperature automatically cuts off the socket circuit that power supply exports, it is characterized in that: include transformator, it is connected to the primary alternating current circuit of transformator, it is connected to the secondary DC circuit of transformator and for cutting off the cut-out circuit of the voltage output of alternating current circuit when excess temperature, described cut-out circuit includes temperature sensor, comparator, on-off control circuit and roof-cut resistence including optocoupler, the temperature transition of the socket sensed is voltage the input delivering to comparator by described temperature sensor, another input of comparator is connected to the circuit for providing reference voltage, the output of comparator connects the luminous organ of optocoupler, the light-receiving device of optocoupler is for controlling the break-make of roof-cut resistence, described roof-cut resistence is connected in described alternating current circuit loop.
A kind of excess temperature the most as claimed in claim 1 automatically cuts off the socket circuit of power supply output, it is characterised in that: described comparator is an operational amplifier in dual operational amplifier.
A kind of excess temperature the most as claimed in claim 2 automatically cuts off the socket circuit of power supply output, it is characterised in that: the model of described dual operational amplifier is the dual operational amplifier of LM358.
A kind of excess temperature the most as claimed in claim 1 automatically cuts off the socket circuit of power supply output, it is characterised in that: the outfan of described DC circuit is the 4th pin of USB interface.
A kind of excess temperature the most as claimed in claim 1 automatically cuts off the socket circuit of power supply output, it is characterised in that: the circuit of described offer reference voltage is bleeder circuit.
A kind of excess temperature the most as claimed in claim 1 automatically cuts off the socket circuit of power supply output, it is characterized in that: described on-off control circuit includes diode, field effect transistor and bidirectional thyristor, diode is connected to the outfan of comparator, diode current flow then field effect transistor is ended, the luminous organ that field effect transistor ends then optocoupler is the most luminous, and then the light-receiving device of optocoupler is not turned on, and then bidirectional thyristor is not turned on, and bidirectional thyristor is connected in the loop of alternating current circuit.
A kind of excess temperature the most as claimed in claim 6 automatically cuts off the socket circuit of power supply output, it is characterised in that: described bidirectional thyristor is parallel with by compressing switch.
A kind of excess temperature the most as claimed in claim 1 automatically cuts off the socket circuit of power supply output, it is characterised in that: described temperature sensor is critesistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312975.2U CN205622206U (en) | 2016-04-14 | 2016-04-14 | Excess temperature automatic cutout power output's row inserts circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312975.2U CN205622206U (en) | 2016-04-14 | 2016-04-14 | Excess temperature automatic cutout power output's row inserts circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205622206U true CN205622206U (en) | 2016-10-05 |
Family
ID=57030504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620312975.2U Active CN205622206U (en) | 2016-04-14 | 2016-04-14 | Excess temperature automatic cutout power output's row inserts circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205622206U (en) |
-
2016
- 2016-04-14 CN CN201620312975.2U patent/CN205622206U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9270129B2 (en) | Intelligent pulse temperature control charger | |
| CN104348192A (en) | USB charger of electronic cigarette | |
| CN203339772U (en) | Electronic cigarette USB charger | |
| CN202210602U (en) | Remote control row socket | |
| CN205070392U (en) | Smart jack controller | |
| CN105406290A (en) | Light-load protection type socket | |
| CN201112989Y (en) | Charging device for extended wire socket | |
| CN205544520U (en) | Automatic energy -conserving charging circuit of pressure regulating | |
| CN208353060U (en) | A kind of battery and power supply adaptor supply power with double circuit switching circuit | |
| CN205622206U (en) | Excess temperature automatic cutout power output's row inserts circuit | |
| CN209184287U (en) | A kind of power-supply system of portable device | |
| CN202111492U (en) | Multifunctional charger | |
| CN204858160U (en) | A low -cost smart jack for domestic appliance | |
| CN204741134U (en) | Intelligent security socket of state is inserted in discernment with electrical apparatus plug | |
| CN202042678U (en) | Automatic power-off power line | |
| CN204156248U (en) | Power line | |
| CN205622297U (en) | Row who is full of electric automatic cutout power output inserts circuit | |
| CN207149809U (en) | A kind of smart jack | |
| CN205622199U (en) | Excessive pressure automatic cutout power output's row inserts circuit | |
| CN206180647U (en) | Many mouthfuls of control circuit that charge and controlgear | |
| CN202957640U (en) | Automatic charger having simple structure | |
| CN205159680U (en) | Wireless control formula socket, underloading protection socket | |
| CN217007630U (en) | Short circuit detection circuit and intelligent socket with short circuit detection function | |
| CN202607029U (en) | Wireless electric soldering iron | |
| CN204680869U (en) | A kind of intelligent power socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |