CN215991797U - Automatic radiation eliminating device of mobile phone charger - Google Patents
Automatic radiation eliminating device of mobile phone charger Download PDFInfo
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- CN215991797U CN215991797U CN202120893262.0U CN202120893262U CN215991797U CN 215991797 U CN215991797 U CN 215991797U CN 202120893262 U CN202120893262 U CN 202120893262U CN 215991797 U CN215991797 U CN 215991797U
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- electromagnetic radiation
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Abstract
The utility model discloses an automatic radiation elimination device of a mobile phone charger, which consists of a plastic shell 1, an alternating current power plug 2, a power converter 3, a direct current power USB socket 4, an electromagnetic radiation coupler 5 and an electromagnetic radiation eliminator 6. When a touch piece CMP on the plastic shell 1 is touched by a hand, the integrated circuit IC can automatically find the power supply zero line in the alternating current power supply plug 2, the zero line potential is output and locked by a pin 3 of the integrated circuit IC, meanwhile, pins 5 and 6 of the integrated circuit IC drive the light emitting diode LED to emit light, and at the moment, the electromagnetic radiation in the power supply converter 3 coupled with the electromagnetic radiation coupler 5 can be eliminated through the integrated circuit IC, so that the electromagnetic radiation problem of the mobile phone charger is solved.
Description
Technical Field
The utility model relates to the field of mobile phone charging power supplies, in particular to an automatic radiation elimination device of a mobile phone charger.
Background
Market research and patent retrieval prove that the problem of electromagnetic radiation of a mobile phone charger is solved, only the patent of 202020010794.0 entitled "a mobile phone non-radiative charger capable of eliminating electromagnetic radiation" which is applied by the company at 1 month and 4 months in 2020 and granted by 2020.8.28 at present can also realize the purpose of eliminating the electromagnetic radiation of the mobile phone charger through a power supply zero line, but the technology adopts the circuit principle of a neon lamp test pencil in the method of selecting the power supply zero line, a touch sheet is touched by hands to see whether the neon lamp emits light, if the neon lamp emits light, a mobile phone charger plug is switched to a phase to be additionally plugged in a power supply socket to find the power supply zero line, and then the power supply zero line is used to eliminate the electromagnetic radiation in a power supply converter coupled by an electromagnetic radiation coupler, and the problem that the selection of the power supply zero line is inaccurate due to too dark light of the neon lamp sometimes occurs by the method, therefore, the technology of automatically searching and positioning the zero line of the power supply and automatically eliminating the electromagnetic radiation of the mobile phone charger is a desire of people to sleep.
Therefore, the development of an automatic radiation elimination device of a mobile phone charger is an aim of our struggle.
Disclosure of Invention
The power converter of the mobile phone charger generally adopts a single-ended flyback transformer switching power supply to work, the power converter can convert a 220V alternating current power supply into a stable low-voltage direct current (for example, 5V) to supply power to other electrical equipment, the working frequency of the switching power supply reaches 60-100KHZ, an output high-frequency power supply is rectified and filtered, but certain high-frequency harmonics still exist, when the mobile phone charger works, the high-frequency harmonics can be automatically coupled into the low-voltage direct current power supply and are transmitted to a mobile phone together with the direct current power supply through a power line, so that the mobile phone can generate electric radiation when being charged, and the mobile phone charger is the source of the electromagnetic radiation of the mobile phone.
The technical scheme mainly solves the electric field radiation generated by high-frequency harmonic waves of the mobile phone charger, namely electric radiation, because the electric field radiation of the mobile phone charger is induced electric radiation, the best method for solving the electric radiation with small energy is to shield the electric radiation and then directly grounding the shielded electric radiation to eliminate the electric radiation or couple a radiation source generating the electric radiation into a ground wire through a coupler to eliminate the electric radiation. The mobile phone charger is a type 2 electric appliance specified by the state, the type 2 electric appliance is without a grounding wire, and according to the 2.0.1 article of the national standard ' grounding design Specification of Industrial and civil electric power devices ' (GBJ 65-83) ', the electric power devices are suitable to be grounded or connected to zero for ensuring the safety of human bodies and equipment. Because the potential of the power supply zero line is the same as that of the ground wire, the power supply zero line can be used for eliminating electric radiation instead of the ground wire under the condition of no power supply ground wire.
Because the mobile phone charger is a single-phase alternating current power supply adopted by national class 2 electric appliances, zero and live wires in the power supply can not be correctly distinguished, and in order to solve the problem, the device adopts an integrated circuit IC special for eliminating electromagnetic radiation to eliminate the electromagnetic radiation of the mobile phone charger.
According to the principle, the utility model provides the automatic radiation elimination device of the mobile phone charger, and by utilizing the technical scheme, the method is simple, the cost is low, and the electromagnetic radiation in the mobile phone charger can be effectively eliminated through the device.
The utility model provides an automatic radiation device that disappears of cell-phone charger, by plastic casing (1), alternating current power plug (2), power converter (3), DC power USB socket (4), electromagnetic radiation coupler (5), electromagnetic radiation annihilator (6) are constituteed, wherein alternating current power plug (2), power converter (3), DC power USB socket (4), electromagnetic radiation coupler (5), electromagnetic radiation annihilator (6) are adorned in plastic casing (1), its characterized in that: an alternating current power supply plug (2), a power supply converter (3) and a direct current power supply USB socket (4) are electrically connected, one end of an electromagnetic radiation coupler (5) is electrically connected with 3 pins of an Integrated Circuit (IC) in an electromagnetic radiation eliminator (6), the other end of the electromagnetic radiation coupler is electrically connected with one of a direct current power supply (DC) cathode (-) and a direct current power supply (DC) anode (+) of the output end of the power supply converter (3), a pin 1 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with (A1) in the alternating current power supply plug (2), a pin 2 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with (A2) in the alternating current power supply plug (2), a pin 4 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with a touch sheet (CMP), a pin 5 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with an anode (+) of a Light Emitting Diode (LED), the pin 6 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with the cathode (-) of the Light Emitting Diode (LED).
When a hand (human body can be regarded as 0 potential) is contacted with a touch pad (CMP) on a plastic shell 1, an Integrated Circuit (IC) can automatically find a power supply zero line in an alternating current power supply plug (2), the zero line potential is output and locked by 3 pins of the Integrated Circuit (IC), meanwhile, 5 pins and 6 pins of the Integrated Circuit (IC) drive a Light Emitting Diode (LED) to emit light, and at the moment, electromagnetic radiation in a power supply converter (3) coupled with an electromagnetic radiation coupler (5) can be eliminated through the Integrated Circuit (IC), so that the problem of electromagnetic radiation of a mobile phone charger is solved.
The electromagnetic radiation eliminator (6) comprises an Integrated Circuit (IC), a touch sheet (CMP) and a Light Emitting Diode (LED), wherein the touch sheet (CMP) is arranged on the outer surface of the plastic shell (1), and the Light Emitting Diode (LED) is arranged on the corresponding inner side of a display hole (XSK) of the plastic shell (1).
The touch sheet (CMP) in the electromagnetic radiation eliminator (6) is made of conductive metal material.
The main body part of the alternating current power plug (2) is fixed on the plastic shell (1) and can be plugged with other power sockets.
The direct current power supply (USB) socket (4) corresponds to the socket output hole (SCK) on the plastic shell (1) and can be connected with an externally connected (USB) plug.
The electromagnetic radiation coupler (5) is a functional device capable of coupling electromagnetic radiation, and one of a capacitor and an electromagnetic coupler is selected.
The power converter (3) is a universal power conversion device which inputs (220V) alternating current power (AC) and outputs direct current power (DC).
The utility model has the beneficial effects that: the technical scheme is simple in method and low in cost, and can effectively solve the problem of electromagnetic radiation of the mobile phone charger (at present, the mobile phone charger produced according to the technical principle has the electromagnetic radiation elimination rate up to 99.5% through national detection, and has obtained national 3C certification and small-batch market release).
Description of the drawings:
the utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic diagram of one principle of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
The labels in the figure are: 1. the LED lamp comprises a plastic shell, 2. an alternating current power plug, 3. a power converter, 4. a direct current power USB socket, 5. an electromagnetic radiation coupler, 6. an electromagnetic radiation eliminator, a display hole XSK, a light emitting diode LED, a touch sheet CMP, a socket output hole SCK, an alternating current power AC, a direct current power DC, a positive pole +, a negative pole-, A1, A2 and 220V.
Detailed Description
The utility model will be further explained with reference to the schematic and structural drawings in the following figures:
fig. 1 is a schematic diagram of an automatic radiation elimination device of a mobile phone charger, which mainly includes: plastic casing (1), alternating current power supply plug (2), power converter (3), DC power supply USB socket (4), electromagnetic radiation coupler (5), electromagnetic radiation annihilator (6) are constituteed, and wherein alternating current power supply plug (2), power converter (3), DC power supply USB socket (4), electromagnetic radiation coupler (5), electromagnetic radiation annihilator (6) are adorned in plastic casing (1), its characterized in that: an alternating current power supply plug (2), a power supply converter (3) and a direct current power supply USB socket (4) are electrically connected, one end of an electromagnetic radiation coupler (5) is electrically connected with 3 pins of an Integrated Circuit (IC) in an electromagnetic radiation eliminator (6), the other end of the electromagnetic radiation coupler is electrically connected with one of a direct current power supply (DC) cathode (-) and a direct current power supply (DC) anode (+) of the output end of the power supply converter (3), a pin 1 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with (A1) in the alternating current power supply plug (2), a pin 2 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with (A2) in the alternating current power supply plug (2), a pin 4 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with a touch sheet (CMP), a pin 5 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with an anode (+) of a Light Emitting Diode (LED), the pin 6 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with the cathode (-) of the Light Emitting Diode (LED).
Fig. 2 is a schematic structural diagram of an automatic radiation elimination device of a mobile phone charger, which mainly includes: plastic casing (1), alternating current power supply plug (2), power converter (3), DC power supply USB socket (4), electromagnetic radiation coupler (5), electromagnetic radiation annihilator (6) are constituteed, and wherein alternating current power supply plug (2), power converter (3), DC power supply USB socket (4), electromagnetic radiation coupler (5), electromagnetic radiation annihilator (6) are adorned in plastic casing (1), its characterized in that: an alternating current power supply plug (2), a power supply converter (3) and a direct current power supply USB socket (4) are electrically connected, one end of an electromagnetic radiation coupler (5) is electrically connected with 3 pins of an Integrated Circuit (IC) in an electromagnetic radiation eliminator (6), the other end of the electromagnetic radiation coupler is electrically connected with one of a direct current power supply (DC) cathode (-) and a direct current power supply (DC) anode (+) of the output end of the power supply converter (3), a pin 1 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with (A1) in the alternating current power supply plug (2), a pin 2 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with (A2) in the alternating current power supply plug (2), a pin 4 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with a touch sheet (CMP), a pin 5 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with an anode (+) of a Light Emitting Diode (LED), the pin 6 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with the cathode (-) of the Light Emitting Diode (LED).
When a hand (human body can be regarded as 0 potential) is contacted with a touch pad (CMP) on a plastic shell 1, an Integrated Circuit (IC) can automatically find a power supply zero line in an alternating current power supply plug (2), the zero line potential is output and locked by 3 pins of the Integrated Circuit (IC), meanwhile, 5 pins and 6 pins of the Integrated Circuit (IC) drive a Light Emitting Diode (LED) to emit light, and at the moment, electromagnetic radiation in a power supply converter (3) coupled with an electromagnetic radiation coupler (5) can be eliminated through the Integrated Circuit (IC), so that the problem of electromagnetic radiation of a mobile phone charger is solved.
The electromagnetic radiation eliminator (6) comprises an Integrated Circuit (IC), a touch sheet (CMP) and a Light Emitting Diode (LED), wherein the touch sheet (CMP) is arranged on the outer surface of the plastic shell (1), and the Light Emitting Diode (LED) is arranged on the corresponding inner side of a display hole (XSK) of the plastic shell (1).
The touch sheet (CMP) in the electromagnetic radiation eliminator (6) is made of conductive metal material.
The main body part of the alternating current power plug (2) is fixed on the plastic shell (1) and can be plugged with other power sockets.
The direct current power supply (USB) socket (4) corresponds to the socket output hole (SCK) on the plastic shell (1) and can be connected with an externally connected (USB) plug.
The electromagnetic radiation coupler (5) is a functional device capable of coupling electromagnetic radiation, and one of a capacitor and an electromagnetic coupler is selected.
The power converter (3) is a universal power conversion device which inputs (220V) alternating current power (AC) and outputs direct current power (DC).
The utility model has the beneficial effects that: by utilizing the technical scheme, the method is simple, the cost is low, and the problem of electromagnetic radiation of the mobile phone charger can be effectively solved.
Claims (7)
1. The utility model provides an automatic radiation device that disappears of cell-phone charger, by plastic casing (1), alternating current power plug (2), power converter (3), DC power USB socket (4), electromagnetic radiation coupler (5), electromagnetic radiation annihilator (6) are constituteed, wherein alternating current power plug (2), power converter (3), DC power USB socket (4), electromagnetic radiation coupler (5), electromagnetic radiation annihilator (6) are adorned in plastic casing (1), its characterized in that: an alternating current power supply plug (2), a power supply converter (3) and a direct current power supply USB socket (4) are electrically connected, one end of an electromagnetic radiation coupler (5) is electrically connected with the pin 3 of an Integrated Circuit (IC) in an electromagnetic radiation eliminator (6), the other end of the electromagnetic radiation coupler is electrically connected with one pole of a direct current power supply (DC) cathode (-) and a direct current power supply (DC) anode (+) of the output end of the power supply converter (3), the pin 1 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with A1 in the alternating current power supply plug (2), the pin 2 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with A2 in the alternating current power supply plug (2), the pin 4 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with a touch pad (CMP), the pin 5 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with the anode (+) of a Light Emitting Diode (LED), the pin 6 of the Integrated Circuit (IC) in the electromagnetic radiation eliminator (6) is electrically connected with the cathode (-) of the Light Emitting Diode (LED).
2. The automatic radiation elimination device of a mobile phone charger according to claim 1, wherein: the electromagnetic radiation eliminator (6) comprises an Integrated Circuit (IC), a touch sheet (CMP) and a Light Emitting Diode (LED), wherein the touch sheet (CMP) is arranged on the outer surface of the plastic shell (1), and the Light Emitting Diode (LED) is arranged on the corresponding inner side of a display hole (XSK) of the plastic shell (1).
3. The automatic radiation elimination device of a mobile phone charger according to claim 1, wherein: the touch sheet (CMP) in the electromagnetic radiation eliminator (6) is made of conductive metal material.
4. The automatic radiation elimination device of a mobile phone charger according to claim 1, wherein: the main body part of the alternating current power plug (2) is fixed on the plastic shell (1) and can be plugged with other power sockets.
5. The automatic radiation elimination device of a mobile phone charger according to claim 1, wherein: the direct-current power supply USB socket (4) corresponds to the socket output hole (SCK) on the plastic shell (1) and can be connected with an externally connected USB plug.
6. The automatic radiation elimination device of a mobile phone charger according to claim 1, wherein: the electromagnetic radiation coupler (5) is a functional device capable of coupling electromagnetic radiation, and one of a capacitor and an electromagnetic coupler is selected.
7. The automatic radiation elimination device of a mobile phone charger according to claim 1, wherein: the power converter (3) is a universal power conversion device which inputs 220V alternating current power (AC) and outputs direct current power (DC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893262.0U CN215991797U (en) | 2021-04-28 | 2021-04-28 | Automatic radiation eliminating device of mobile phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893262.0U CN215991797U (en) | 2021-04-28 | 2021-04-28 | Automatic radiation eliminating device of mobile phone charger |
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| Publication Number | Publication Date |
|---|---|
| CN215991797U true CN215991797U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120893262.0U Active CN215991797U (en) | 2021-04-28 | 2021-04-28 | Automatic radiation eliminating device of mobile phone charger |
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| CN (1) | CN215991797U (en) |
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- 2021-04-28 CN CN202120893262.0U patent/CN215991797U/en active Active
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