CN112260357A - External equipment of charger - Google Patents
External equipment of charger Download PDFInfo
- Publication number
- CN112260357A CN112260357A CN202011098218.7A CN202011098218A CN112260357A CN 112260357 A CN112260357 A CN 112260357A CN 202011098218 A CN202011098218 A CN 202011098218A CN 112260357 A CN112260357 A CN 112260357A
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- Prior art keywords
- module
- charger
- resistor
- trigger
- power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/90—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of galvano-magnetic devices, e.g. Hall-effect devices
Abstract
The invention provides external equipment of a charger, and relates to the technical field of chargers. The charger plug-in device comprises a trigger module, an induction module matched with the trigger module, a signal amplification module, a power module, a control module and a rectification module, wherein the trigger module and the induction module are mutually induced, the trigger module is connected with the device to be charged in series and is powered by the charger, the charger is powered by the power module, the induction module is connected with the charger, the induction module sends an electric signal to the signal amplification module, the signal amplification module sends an electric signal to the control module, the control module controls the power module, the rectification module is connected with the control module in parallel, the rectification module is connected with the control module, and the control module is synchronously connected with the power module. The electronic equipment is pulled out or the equipment is fully charged, and then the trigger module sends out a signal, so that the induction module sends the signal to the control module, the circuit is disconnected, the protection circuit is achieved, and the short circuit of the circuit is avoided.
Description
Technical Field
The invention relates to the technical field of chargers, in particular to external equipment of a charger.
Background
At present, the mobile phone is almost one or even more than one hand, and has become an essential electric appliance in daily life. In addition, various tablet devices and intelligent devices are visible everywhere, and chargers matched with the tablet devices and the intelligent devices become necessary devices for use. The charger is involved in home entertainment or office use all the time. However, many people often use to only pull out the charging cord of the mobile phone when charging, and do not pull out the charger from the socket. Although the charger is small, the power is not large, certain potential safety hazard exists after the charger is not pulled out for a long time, firstly, the charger is electrified for a long time, although the charger does not output externally, the circuit still has power consumption, although the charger is small, the power consumption is large, the power consumption is accumulated for a long time, and the energy consumption is also caused by long-term use. Secondly, the charger is electrified for a long time, and a fire disaster is easily caused. The long-term electrification of the charger can cause the line aging or the faults of components such as capacitors and resistors, so that the charger generates heat, fire hazards exist, and finally, the explosion can be caused to hurt people.
Disclosure of Invention
The invention aims to provide external equipment of a charger, which can cut off the power of a circuit after a user pulls out the charger, so that the charger is prevented from heating, and the fire hazard is eliminated.
The embodiment of the invention is realized by the following steps:
the embodiment of the application provides an external device of charger, its external device of charger includes trigger module, with the response module of trigger module looks adaptation, signal amplification module, power module, control module and rectification module, trigger module and response module mutual induction, trigger module's one end with wait that charging device is connected, the other end is connected with the response module, the output of response module is connected with the input of signal amplification module, the output of signal amplification module is connected with control module, the charger is connected with power module, rectification module output is connected with signal amplification module, the input is connected with waiting charging device.
In some embodiments of the present invention, the triggering module includes an inductor L1, the sensing module includes a hall switch DH627, and the inductor L1 and the hall switch DH627 interact with each other.
In some embodiments of the present invention, the Hall switch DH627 employs an all-polarity electrodeless magnetosensitive triode element.
In some embodiments of the present invention, the signal amplifying module includes a transistor Q1, a resistor R1, and a resistor R2, a base of the transistor Q1 is connected to a common terminal of the resistor R1 and the resistor R2, another terminal of the resistor R1 is connected to a pin No. 3 of the hall switch DH627, and another terminal of the resistor R2 is connected to a common terminal of the transistor Q1 and the hall switch DH 627.
In some embodiments of the present invention, the indicating module further includes a light emitting diode D2, an input terminal of the light emitting diode D2 is connected to a power supply terminal, and an output terminal of the light emitting diode D2 is connected to a common terminal of the hall switch DH627 and the resistor R1.
In some embodiments of the present invention, the resistor R1 has a resistance of 9K Ω -11K Ω, and the resistor R2 has a resistance of 4K Ω -5K Ω.
In some embodiments of the invention, the control module comprises a relay KM1-1, the power module comprises a power switch KM1-2, and the relay KM1-1 is synchronously connected with the power switch KM 1-2.
In some embodiments of the invention, the rated voltage of the relay KM1-1 is 250V, and the maximum output current is 10A.
In some embodiments of the invention, the rectifier module comprises a rectifier diode D1, and the rectifier diode D1 is connected in parallel with the relay KM 1-1.
In some embodiments of the present invention, rectifier diode D1 is model 1N 4007.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
the external device comprises a trigger module, an induction module matched with the trigger module, a signal amplification module, a power supply module, a control module and a rectification module, wherein the trigger module and the induction module are mutually induced, one end of the trigger module is connected with a device to be charged, the other end of the trigger module is connected with a charger, the charger is connected with the power supply module, the input end of the induction module is connected with the charger, the output end of the induction module is connected with the input end of the signal amplification module, the output end of the signal amplification module is connected with the input end of the control module, the output end of the control module is connected with the power supply module, one end of the rectification module is connected with the output end of the signal amplification module, the other end of the rectification module is connected with the output end of the control module, and.
People often insert the charger into the plug board for a long time during daily charging, and the use mode is dangerous, because the existing charger is an electronic transformer, the power consumption is much lower than that of the former coil transformer, and under the condition that the charger of some good merchants is not connected with a mobile phone, the power consumption can be even ignored, but still is not absolutely power consumption; the mobile phone charger is always plugged into the socket, and still consumes power, but only slowly. Even if the mobile phone charger is not charging the mobile phone, the mobile phone charger still consumes electric quantity, which is only very little relative to the consumption of the charging state. The first harm is that the charger is charged for a long time, although the charger does not output externally, the circuit still has power consumption, although the power consumption is small, the power consumption is large, the power consumption is accumulated day by day, and the long-term use of the charger also causes a lot of energy loss. Secondly, the charger is electrified for a long time, and a fire disaster is easily caused. The long-term electrification of the charger can cause the line aging or the faults of components such as capacitors and resistors, so that the charger generates heat, fire hazards exist, and finally, the explosion can be caused to hurt people. Therefore, the external device of the charger mainly has the advantages that after a user pulls out the electronic device or the device is fully charged, the charger can realize complete disconnection, thereby improving the safety of the charger, the specific structure of the design comprises a trigger module, an induction module matched with the trigger module, a signal amplification module, a control module and a rectification module, wherein the trigger module is arranged to ensure that after the electronic equipment is pulled out or fully charged, the trigger module is used for sending out signals, and the induction module is arranged for receiving the signals sent out by the trigger module, thereby the control module cuts off the power of the circuit, in addition, the circuit is also provided with a signal amplifying module, the signal that its set up aim at sent the response module is enlargied, avoids the interference of external magnetic field, takes place the signal reception mistake that the signal transmission loss leads to, has improved signal transmission's accuracy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a block diagram of an operating structure of a charger plug-in device according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a charger plug-in device according to an embodiment of the invention.
Icon: 1-a trigger module; 2-a sensing module; 3-a signal amplification module; 4-a control module; 5-a rectifying module; 6-an indication module; and 7, a power supply module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present application, it is to be noted that the terms "upper" and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when products of the application are used, and are only used for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the individual features of the embodiments can be combined with one another without conflict.
Examples
As shown in fig. 1 and fig. 2, a structural block diagram of an external charger device provided in an embodiment of the present application is shown, where the external charger device includes a trigger module 1, a sensing module 2 adapted to the trigger module 1, a signal amplification module 3, a power supply module 7, a control module 4, and a rectification module 5, the trigger module 1 and the sensing module 2 sense each other, one end of the trigger module 1 is connected to a device to be charged, the other end of the trigger module 1 is connected to the charger, the charger is connected to the power supply module 7, an input end of the sensing module 2 is connected to the charger, an output end of the sensing module 2 is connected to an input end of the signal amplification module 3, an output end of the signal amplification module 3 is connected to an input end of the control module 4, an output end of the control module 4 is connected to the power supply module 7, one end of the rectification module 5 is connected to an output end of the signal amplification module, the control module 4 is synchronously connected with the power module 7.
In some embodiments of the invention, people often insert the charger into the plug board for a long time during daily charging, and the use mode is dangerous, because the existing charger is an electronic transformer, the power consumption is much lower than that of the former coil transformer, and under the condition that the charger of some good merchants is not connected with a mobile phone, the power consumption can even be ignored, but still is not absolutely power consumption; the mobile phone charger is always plugged into the socket, and still consumes power, but only slowly. Even if the mobile phone charger is not charging the mobile phone, the mobile phone charger still consumes electric quantity, which is only very little relative to the consumption of the charging state. The first harm is that the charger is charged for a long time, although the charger does not output externally, the circuit still has power consumption, although the power consumption is small, the power consumption is large, the power consumption is accumulated day by day, and the long-term use of the charger also causes a lot of energy loss. Secondly, the charger is electrified for a long time, and a fire disaster is easily caused. The long-term electrification of the charger can cause the line aging or the faults of components such as capacitors and resistors, so that the charger generates heat, fire hazards exist, and finally, the explosion can be caused to hurt people. The charger plug-in equipment mainly has the advantages that after a user pulls out electronic equipment, the charger can be completely disconnected, so that the safety of the charger is improved, and in order to achieve the purpose, the charger plug-in equipment is designed to have a specific structure comprising a trigger module 1, an induction module 2 matched with the trigger module 1, a signal amplification module 3, a control module 4 and a rectification module 5, wherein the trigger module 1 is arranged to send a signal by using the trigger module 1 after the electronic equipment is pulled out of the charger or the electronic equipment is fully charged, and the induction module 2 is arranged to receive the signal sent by the trigger module 1, so that the control module 4 closes a circuit, in addition, the signal amplification module 3 is also arranged in the circuit and is arranged to amplify the signal sent by the induction module 2, so that the interference of an external magnetic field is avoided, and the signal receiving error caused by signal transmission loss occurs, the accuracy of signal transmission is improved, the use method of the charger plug-in device is characterized in that after the electronic device is inserted, the power module 7 is communicated with the circuit, so that the trigger module 1 sends a signal to enable the circuit to be continuously electrified, after the electronic device is pulled out or when the device is fully charged, the current can be gradually reduced along with the rise of charging voltage and is reduced to dozens of milliamperes or 0, the sensor enables a demagnetizing field signal to be removed, the trigger module 1 is powered off, the induction module 2 loses the signal, the control module 4 controls the power module 7 to be disconnected, and the circuit is protected.
As shown in fig. 2, in some embodiments of the present invention, the triggering module 1 includes an inductor L1, the sensing module 2 includes a hall switch DH627, and the inductor L1 and the hall switch DH627 are mutually inductive.
In some embodiments of the present invention, the inductor L1 is adopted in the trigger module 1, and the purpose of the inductor L1 is to enable the trigger module 1 to send a magnetic field signal to the hall switch DH627 by using an electromagnetic effect, and the inductor L1 and the hall switch DH627 are adjacently arranged, so that the sending and receiving effects of the magnetic field signal are the best, and in addition, the inductor L1 and the hall switch DH627 are arranged in parallel, which has the beneficial effects that the inductor L1 and the hall switch DH627 can be mutually independent, the hall switch DH627 can monitor the inductor L1 at any time, and the accuracy of induction is improved.
In some embodiments of the present invention, the hall switch DH627 employs an all-polarity electrodeless magnetosensitive triode element.
In some embodiments of the invention, because the volume of the charger is small, the requirement of being convenient for a user to carry is considered at the beginning of the design of the external device of the charger, and in order to ensure the accuracy of the hall switch DH627, selected electronic components need to have the characteristics of small volume and high sensitivity, so that the full-polarity electrodeless magnetic sensing triode component of the hall switch DH627 is adopted, thereby improving the convenience and the safety of the external device of the charger.
As shown in fig. 2, in some embodiments of the present invention, the signal amplifying module 3 includes a transistor Q1, a resistor R1, and a resistor R2, a base of the transistor Q1 is connected to a common terminal of the resistor R1 and the resistor R2, another terminal of the resistor R1 is connected to a pin 3 of the hall switch DH627, and another terminal of the resistor R2 is connected to a common terminal of the transistor Q1 and the hall switch DH 627.
In some embodiments of the present invention, the signal amplification module 3 is arranged to amplify the signal sent by the sensing module 2, so as to avoid an error occurring in the transmission process when the signal is weak, thereby causing the control module 4 not to be turned on or turned off according to a setting; the model of the triode Q1 may be 2N5401, 8550 or 2SA1015, or may be S9015 or S9102, and the model adopted in this embodiment is S9102. The resistor R1 and the resistor R2 are arranged to stabilize the triode Q1, so that the triode Q1 can well operate, the stability of the whole circuit is improved, the signal is amplified by the amplifying circuit, the effect of preventing external interference to a certain degree can be achieved, and the anti-interference performance of the whole circuit is improved.
As shown in fig. 2, in some embodiments of the present invention, the indicating module 6 is further included, the indicating module 6 includes a light emitting diode D2, an input terminal of the light emitting diode D2 is connected to a power supply terminal, and an output terminal of the light emitting diode D2 is connected to a common terminal of the hall switch DH627 and the resistor R1.
In some embodiments of the present invention, when the line is powered on and off, the user can directly observe the state of the line by using an obvious indication signal, so that the user can quickly determine whether the line has a fault, so the led D2 is provided, the led D2 is in a lighting state when the circuit charges the electronic device, and the led D2 is turned off when the electronic device is pulled out or the electronic device is fully charged, which is set to transmit the power-on or power-off condition in the circuit to the user in a light signal manner in real time, so that the user can observe the power-on or power-off condition in the circuit more easily, and the safety of the charger device is improved.
In some embodiments of the present invention, the resistor R1 has a resistance of 10K Ω and the resistor R2 has a resistance of 4.7K Ω.
In some embodiments of the present invention, the resistor R1 and the resistor R2 are configured to stabilize the transistor Q1, so that the transistor Q1 can operate well, and the signal amplification module 3 is more stable during signal amplification, thereby improving the stability of the whole circuit, wherein the resistance of R1 is selected to be in a range of 9K Ω to 11K Ω, wherein the optimal selection is 10K Ω, and the resistance of R2 is selected to be in a range of 4K Ω to 5K Ω, wherein the optimal selection is 4.7K Ω.
In some embodiments of the invention, the rated voltage of the relay KM1-1 is 250V, and the maximum output current is 10A.
In some embodiments of the invention, as the 220V voltage is the most common standard voltage effective value of residents in China, the 220V voltage standard is also referred to in the selection standard of the relay KM1-1, therefore, the rated voltage of the relay KM1-1 is selected to be 250V, and as the circuit is alternating current, the relay KM1-1 is selected to be the relay KM1-1 adaptive to the alternating current, and in addition, under the condition of not affecting efficiency and safety, the maximum output current of the comprehensive cost factor is 10A, so that the cost is saved.
As shown in FIG. 2, in some embodiments of the present invention, the control module 4 includes a relay KM1-1 and a power switch KM1-2, and the relay KM1-1 is synchronously connected to the switching power supply KM 1-2.
In some embodiments of the invention, the relay KM1-1 is synchronously connected with the power switch KM1-2, so that when the circuit is opened and closed, the connection between the power supply and the circuit is directly controlled, thereby improving the safety of the circuit because the charger is thoroughly disconnected from the power supply after a user pulls out the electronic equipment.
As shown in fig. 2, in some embodiments of the present invention, the rectifier module 5 includes a rectifier diode D1, and the rectifier diode D1 is connected in parallel with the relay KM 1-1.
In some embodiments of the invention, the rectifier diode D1 is provided for converting ac power into dc power, and since the series connection of the rectifier diode D1 and the relay KM1-1 may interfere with the operation of the relay KM1-1, the parallel connection of the rectifier diode D1 and the relay KM1-1 improves the stability of the whole circuit.
In some embodiments of the present invention, rectifier diode D1 is model 1N 4007.
In some embodiments of the present invention, the type of the rectifier diode D1 may be 1N4007, 1N5408, or 1N5399, and since there is no requirement for reverse recovery time, FR107 or UF4007 may also be used, and this embodiment employs 1N 4007.
To sum up, the charger plug-in device provided by the embodiment of the present application includes a trigger module 1, an induction module 2 adapted to the trigger module 1, a signal amplification module 3, a power supply module 7, a control module 4 and a rectification module 5, wherein the trigger module 1 and the induction module 2 mutually induce, one end of the trigger module 1 is connected to a device to be charged, the other end of the trigger module 1 is connected to the charger, the charger is connected to the power supply module 7, the input end of the induction module 2 is connected to the charger, the output end of the induction module 2 is connected to the input end of the signal amplification module 3, the output end of the signal amplification module 3 is connected to the input end of the control module 4, the output end of the control module 4 is connected to the power supply module 7, one end of the rectification module 5 is connected to the output end of the signal amplification module 3, and the other end of the rectification module 5, the control module 4 is synchronously connected with the power module 7.
People often insert the charger into the plug board for a long time during daily charging, and the use mode is dangerous, because the existing charger is an electronic transformer, the power consumption is much lower than that of the former coil transformer, and under the condition that the charger of some good merchants is not connected with a mobile phone, the power consumption can be even ignored, but still is not absolutely power consumption; the mobile phone charger is always plugged into the socket, and still consumes power, but only slowly. Even if the mobile phone charger is not charging the mobile phone, the mobile phone charger still consumes electric quantity, which is only very little relative to the consumption of the charging state. The first harm is that the charger is charged for a long time, although the charger does not output externally, the circuit still has power consumption, although the power consumption is small, the power consumption is large, the power consumption is accumulated day by day, and the long-term use of the charger also causes a lot of energy loss. Secondly, the charger is electrified for a long time, and a fire disaster is easily caused. The long-term electrification of the charger can cause the line aging or the faults of components such as capacitors and resistors, so that the charger generates heat, fire hazards exist, and finally, the explosion can be caused to hurt people. The charger plug-in equipment mainly has the main functions that when a user pulls out electronic equipment or the equipment is fully charged, the charger can be completely disconnected, so that the safety of the charger is improved, and in order to achieve the purpose, the charger plug-in equipment is designed to have a specific structure comprising a trigger module 1, an induction module 2 matched with the trigger module 1, a signal amplification module 3, a control module 4 and a rectification module 5, wherein the trigger module 1 is arranged to send a signal by using the trigger module 1 after the electronic equipment is pulled out of the charger or the electronic equipment is fully charged, and the induction module 2 is arranged to receive the signal sent by the trigger module 1, so that the control module 4 cuts off the power of a circuit, in addition, the signal amplification module 3 is also arranged in the circuit and is arranged to amplify the signal sent by the induction module 2, so that the interference of an external magnetic field is avoided, and the signal receiving error caused by signal transmission loss occurs, the accuracy of signal transmission is improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a charger plug-in equipment, connects between charger and the equipment of waiting to charge which characterized in that: the external device of the charger comprises a trigger module, an induction module matched with the trigger module, a signal amplification module, a power module, a control module and a rectification module, wherein the trigger module and the induction module are mutually induced, one end of the trigger module is connected with the device to be charged, the other end of the trigger module is connected with the charger, the charger is connected with the power module, the input end of the induction module is connected with the charger, the output end of the induction module is connected with the input end of the signal amplification module, the output end of the signal amplification module is connected with the input end of the control module, the output end of the control module is connected with the power module, the input end of the rectification module is connected with the output end of the signal amplification module, and the output end of the rectification module is connected with the output end of the control module, the control module is synchronously connected with the power module.
2. The charger plug-in device according to claim 1, wherein: the trigger module comprises an inductance coil L1, the induction module comprises a Hall switch DH627, and the inductance coil L1 and the Hall switch DH627 are mutually induced.
3. The charger plug-in device according to claim 2, wherein: the hall switch DH627 adopts an all-polarity electrodeless magnetosensitive triode element.
4. The charger plug-in device according to claim 2, wherein: the signal amplification module comprises a triode Q1, a resistor R1 and a resistor R2, the base electrode of the triode Q1 is connected with the common end of the resistor R1 and the resistor R2, the other end of the resistor R1 is connected with the pin No. 3 of the Hall switch DH627, and the other end of the resistor R2 is connected with the common end of the triode Q1 and the Hall switch DH 627.
5. The charger plug-in device according to claim 4, wherein: the indicating device further comprises an indicating module, wherein the indicating module comprises a light emitting diode D2, the input end of the light emitting diode D2 is connected to a power supply end, and the output end of the light emitting diode D2 is connected to the common end of the Hall switch DH627 and the resistor R1.
6. The charger plug-in device according to claim 4, wherein: the resistance value of the resistor R1 is 9K omega-11K omega, and the resistance value of the resistor R2 is 4K omega-5K omega.
7. The charger plug-in device according to claim 1, wherein: the control module comprises a relay KM1-1, the power supply module comprises a power switch KM1-2, and the relay KM1-1 is synchronously connected with the power switch KM 1-2.
8. The charger plug-in device according to claim 7, wherein: the rated voltage of the relay KM1-1 is 250V, and the maximum output current is 10A.
9. The charger plug-in device according to claim 7, wherein: the rectifying module comprises a rectifying diode D1, and the rectifying diode D1 is connected with the relay KM1-1 in parallel.
10. The charger plug-in device according to claim 9, wherein: the type of the rectifier diode D1 is 1N 4007.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098218.7A CN112260357A (en) | 2020-10-14 | 2020-10-14 | External equipment of charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098218.7A CN112260357A (en) | 2020-10-14 | 2020-10-14 | External equipment of charger |
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|---|---|
| CN112260357A true CN112260357A (en) | 2021-01-22 |
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| CN202011098218.7A Pending CN112260357A (en) | 2020-10-14 | 2020-10-14 | External equipment of charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115603432A (en) * | 2022-12-12 | 2023-01-13 | 深圳市美矽微半导体有限公司（Cn） | Charging control chip and charging control method |
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