CN114362122A - Automatic discernment power zero line device module - Google Patents
Automatic discernment power zero line device module Download PDFInfo
- Publication number
- CN114362122A CN114362122A CN202011096308.2A CN202011096308A CN114362122A CN 114362122 A CN114362122 A CN 114362122A CN 202011096308 A CN202011096308 A CN 202011096308A CN 114362122 A CN114362122 A CN 114362122A
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- Prior art keywords
- pin
- conversion circuit
- zero line
- electrically connected
- power supply
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 58
- 229910052754 neon Inorganic materials 0.000 claims description 33
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 33
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The invention discloses a device module for automatically identifying a power supply zero line, which consists of a product shell 1, a power supply circuit 2, a conversion circuit 3, a conversion circuit 4, a photoelectric coupler 5 and a photoelectric coupler 6, and is characterized in that: the power circuit 2, the conversion circuit 3, the conversion circuit 4, the photoelectric coupler 5 and the photoelectric coupler 6 form an automatic power supply zero line identification device and are arranged in the product shell 1, and corresponding circuits of the automatic power supply zero line identification device are electrically connected with 6 lead pins of the shell 1 and are led out. The automatic power supply zero line recognition device has the advantages that a 220V alternating current power supply is connected to 1 pin and 2 pins of the product shell 1, when a touch sheet electrically connected with 4 pins of the product shell 1 is contacted by hands, 3 pins of the product shell 1 can immediately output and lock the potential of the power supply zero line, meanwhile, indicator lamps connected to 5 pins and 6 pins of the product shell 1 emit light, and no matter how the alternating current power supply is connected, the potential of the power supply zero line can be always output by 3 pins of the product shell 1.
Description
Technical Field
The invention relates to the field of zero line selection of a power frequency alternating-current low-voltage power supply, in particular to a module of a device for automatically identifying a power supply zero line.
Background
The protective grounding of the shell of the electrical equipment is an important measure for ensuring the personal safety, but a plurality of places in the actual installation of the electrical equipment have no power supply ground wires, and under the condition, the power supply zero wire with the same potential as the ground wire can be adopted for protection according to the national standard GBJ65-83, so that the correct selection of the power supply zero wire is particularly important; in addition, electromagnetic radiation exists in electrical equipment, the best method for electric field radiation induced by the electrical equipment is grounding elimination, but the electromagnetic radiation can be eliminated by using a power supply zero line with the same potential as the ground wire under the conditions that 2 types of electrical equipment without grounding devices and 1 types of electrical equipment without grounding wires.
Through market research and patent retrieval, the existing methods for searching the zero line of the power supply are all manual detection and connection by using a test pencil or a universal electric meter, and at present, no device capable of automatically searching and outputting the potential of the zero line of the power supply exists.
Disclosure of Invention
The invention provides an automatic power supply zero line identification device module, which aims to provide an automatic power supply zero line identification device which can automatically replace a power supply ground wire with a power supply zero line in some places.
The utility model provides an automatic discernment power zero line device module comprises product shell 1, power supply circuit 2, converting circuit 3, converting circuit 4, optoelectronic coupler 5, optoelectronic coupler 6, its characterized in that: the power circuit 2, the conversion circuit 3, the conversion circuit 4, the photoelectric coupler 5 and the photoelectric coupler 6 form an automatic power supply zero line identification device and are arranged in the product shell 1, and an A1 wire in an external alternating current power supply of 220V is electrically connected with a pin 1 of the power circuit 2, the anode of the diode D2 and a pin 1 of the conversion circuit 3 through a pin 1 of the product shell 1; an A2 wire in an external alternating current power supply-220V is electrically connected with a pin 2 of a power circuit 2, the anode of a diode D1 and a pin 1 of a conversion circuit 4 through a pin 2 of a product shell 1; the pin 3 of the power circuit 2 is electrically connected with the pin 3 of the conversion circuit 3 and the pin 3 of the conversion circuit 4; the pin 2 of the conversion circuit 3 is electrically connected with the pin 2 of the conversion circuit 4, the pin 3 of the product shell 1 and an external load FZ; the 4 pins of the conversion circuit 3 are electrically connected with a photosensitive device GM1 of the photoelectric coupler 5; the 4 pins of the conversion circuit 4 are electrically connected with a photosensitive device GM2 of the photoelectric coupler 6; the pin 5 of the conversion circuit 3 is electrically connected with the pin 5 of the conversion circuit 4, the pin 6 of the product shell 1 and the cathode of the external light emitting diode LED; the pin 6 of the conversion circuit 3 is electrically connected with the pin 6 of the conversion circuit 4, the pin 5 of the product shell 1 and the anode + of the external light emitting diode LED; the cathode of the diode D1 is electrically connected with a neon lamp ND1 in the photoelectric coupler 5; the cathode of the diode D2 is electrically connected with a neon lamp ND2 in the photoelectric coupler 6; the other end of the neon lamp ND1 in the photoelectric coupler 5 is electrically connected with the other end of the neon lamp ND2 in the photoelectric coupler 6, the 4 feet of the product shell 1 and the external touch piece CM.
Two sides of the product shell 1 are fixed with symmetrical 2 x 3 metal terminal pins, and corresponding leads of functional devices arranged in the shell can be electrically connected with external devices.
The product shell 1 is a module formed by casting a corresponding functional device and a terminal pin by using one insulating material of plastic package and plastics.
The photosensitive device GM1 in the photocoupler 5 is a device that is sensitive to light, such as one of a photoresistor, a photodiode, and a phototriode.
The photosensitive device GM2 in the photocoupler 6 is a device that is sensitive to light, such as one of a photoresistor, a photodiode, and a phototriode.
The neon lamp ND1 in the photocoupler 5 is a device with low starting voltage, such as a neon lamp or a low-voltage high-sensitivity light emitting diode.
The neon lamp ND2 in the photocoupler 6 is a device with low starting voltage, such as a neon lamp or a low-voltage high-sensitivity light emitting diode.
The touch sheet CM is made of conductive metal materials, 1 pin of a product shell 1 of the automatic identification power supply zero line device and 2 pins of the product shell 1 are connected with an alternating current power supply of 220V, for example, an A1 wire connected with the 1 pin of the product shell 1 is a power supply live wire L, the working principle of a neon lamp test pencil is utilized, namely, a hand is used for contacting the touch sheet CM electrically connected with 4 pins of the product shell 1, a neon lamp ND2 in a photoelectric coupler 6 of the touch sheet CM is lightened, meanwhile, a photosensitive device GM2 outputs a signal to a conversion circuit 4, a switch K2 in the touch sheet CM is closed and locked to be connected with the 2 pins of the product shell 1 and the 3 pins of the product shell 1, and the N potential of the power supply zero line of the 2 pins of the product shell 1 can be output to a load FZ from the 3 pins of the product shell 1; in the same principle, if the wire a2 connected to the 2 pin of the product housing 1 is the power live wire L, when the touch piece CM electrically connected to the 4 pin of the product housing 1 is touched by hand, the neon lamp ND1 in the photocoupler 5 lights, and the photosensor GM1 outputs a signal to the switching circuit 3, the switch K1 inside the switching circuit is locked closed to switch on the 1 pin of the product housing 1 and the 3 pins of the product housing 1, so that the potential of the power neutral wire N of the 1 pin of the product housing 1 can be output to the load FZ from the 3 pins of the product housing 1; therefore, no matter how the alternating current power supply is connected, the 3 pins of the product shell 1 can always output the power supply zero line N potential, the light-emitting diode LED is arranged for knowing the working state of the automatic identification power supply zero line device module, and the light-emitting diode LED can emit light as long as the 3 pins of the product shell 1 output the power supply zero line N potential; the power supply circuit 2 mainly supplies operating power to the conversion circuit 3 and the conversion circuit 4.
The invention has the beneficial effects that: by utilizing the technical scheme, the method is simple and convenient to wire, and the application range is extremely wide.
Description of the drawings:
the invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic diagram of one principle of the present invention.
The labels in the figure are: 1. the LED lamp comprises a product shell, 2. a power supply circuit, 3. a conversion circuit, 4. a conversion circuit, 5. a photoelectric coupler, 6. a photoelectric coupler, 220V of an alternating current power supply, a load FZ, a light emitting diode LED, a touch sheet CM, a power supply live wire L, a power supply zero wire N, a diode D1, a diode D2, a neon lamp ND1, a neon lamp ND2, a photosensitive device GM1, a photosensitive device GM2, a switch K1, a switch K2, a pin 1 of the shell 1, a pin 2 of the shell 1, a pin 3 of the shell 1, a pin 4 of the shell 1, a pin 5 of the shell 1, a pin 6 of the shell 1, an anode +, a cathode, an A1 wire and an A2 wire.
Detailed Description
The invention will be further explained with reference to the schematic drawings in which:
fig. 1 is an automatic power supply zero line identification device module, which comprises a product shell (1), a power circuit (2), a conversion circuit (3), a conversion circuit (4), a photoelectric coupler (5) and a photoelectric coupler (6), and is characterized in that: the automatic identification power supply zero line device comprises a product shell (1), a power circuit (2), a conversion circuit (3), a conversion circuit (4), a photoelectric coupler (5) and a photoelectric coupler (6), wherein the automatic identification power supply zero line device is arranged in the product shell (1), and an A1 line in an external alternating current power supply (-220V) is electrically connected with a pin (1) of the power circuit (2), a positive pole (+) of a diode (D2) and a pin (1) of the conversion circuit (3) through a pin (1) of the product shell (1); an A2 wire in an external alternating current power supply (-220V) is electrically connected with a pin (2) of a power circuit (2), a positive electrode (+) of a diode (D1) and a pin (1) of a conversion circuit (4) through a pin (2) of a product shell (1); the pin (3) of the power circuit (2) is electrically connected with the pin (3) of the conversion circuit (3) and the pin (3) of the conversion circuit (4); the pin (2) of the conversion circuit (3) is electrically connected with the pin (2) of the conversion circuit (4), the pin (3) of the product shell (1) and an external load (FZ); a pin (4) of the conversion circuit (3) is electrically connected with a photosensitive device (GM 1) of the photoelectric coupler (5); a pin (4) of the conversion circuit (4) is electrically connected with a photosensitive device (GM 2) of the photoelectric coupler (6); the pin (5) of the conversion circuit (3) is electrically connected with the pin (5) of the conversion circuit (4), the pin (6) of the product shell (1) and the negative pole (-) of the external Light Emitting Diode (LED); a pin (6) of the conversion circuit (3) is electrically connected with a pin (6) of the conversion circuit (4), a pin (5) of the product shell (1) and the anode (+) of an external Light Emitting Diode (LED); the negative pole (-) of the diode (D1) is electrically connected with a neon lamp (ND 1) in the photoelectric coupler (5); the negative pole (-) of the diode (D2) is electrically connected with a neon lamp (ND 2) in the photoelectric coupler (6); the other end of the neon lamp (ND 1) in the photoelectric coupler (5) is electrically connected with the other end of the neon lamp (ND 2) in the photoelectric coupler (6), the pin (4) of the product shell (1) and the external touch piece (CM).
Two sides of the product shell (1) are fixed with symmetrical 2 x 3 metal terminal pins, and corresponding leads of functional devices arranged in the shell can be electrically connected with external devices.
The product shell (1) is a module formed by casting a corresponding functional device and a terminal pin by using an insulating material in plastic package and plastics.
The photosensitive device (GM 1) in the photoelectric coupler (5) is a device which is sensitive to light, such as one of a photoresistor, a photosensitive diode and a phototriode.
The photosensitive device (GM 2) in the photoelectric coupler (6) is a device which is sensitive to light, such as one of a photoresistor, a photosensitive diode and a phototriode.
The neon lamp (ND 1) in the photoelectric coupler (5) is a device with low starting voltage, such as one of a neon lamp and a low-voltage high-sensitivity light-emitting diode.
The neon lamp (ND 2) in the photoelectric coupler (6) is a device with low starting voltage, such as one of a neon lamp and a low-voltage high-sensitivity light-emitting diode.
The touch sheet (CM) is made of conductive metal material.
The method comprises the steps that a pin (1) of a product shell (1) of an automatic power supply zero line recognition device and a pin (2) of the product shell (1) are connected with an alternating current power supply (220V), for example, an A1 wire connected with the pin (1) of the product shell (1) is a power supply live wire (L), the working principle of a neon lamp test pencil is utilized, namely, a touch sheet (CM) electrically connected with the pin (4) of the product shell (1) is touched by hands, a neon lamp (ND 2) in a photocoupler (6) is lightened, meanwhile, a photosensor (GM 2) outputs a signal to a conversion circuit (4), a switch (K2) in the neon lamp test pencil is closed and locked to be connected with the pin (2) of the product shell (1) and the pin (3) of the product shell (1), namely, the potential of the power supply zero line (N) of the pin (2) of the product shell (1) can be output to a load (FZ) from the pin (3) of the product shell (1); in the same principle, if the A2 wire connected with the pin (2) of the product casing (1) is a power live wire (L), when a touch piece (CM) electrically connected with the pin (4) of the product casing (1) is touched by hands, a neon lamp (ND 1) in a photoelectric coupler (5) is lightened, and simultaneously a photosensitive device (GM 1) outputs a signal to a conversion circuit (3), a switch (K1) in the conversion circuit is closed and locked to switch on the pin (1) of the product casing (1) and the pin (3) of the product casing (1), so that the potential of the power neutral wire (N) of the pin (1) of the product casing (1) can be output to a load (FZ) from the pin (3) of the product casing (1); therefore, no matter how the alternating current power supply is connected, the pin (3) of the product shell (1) can always output the potential of the power supply zero line (N), a light-emitting diode (LED) is arranged for automatically identifying the working state of the power supply zero line device module, and the light-emitting diode (LED) can emit light as long as the pin (3) of the product shell (1) outputs the potential of the power supply zero line (N); the power circuit (2) mainly provides working power for the conversion circuit (3) and the conversion circuit (4).
The invention has the beneficial effects that: by utilizing the technical scheme, the method is simple and convenient to wire, and the application range is extremely wide.
Claims (8)
1. The utility model provides an automatic discernment power zero line device module comprises product shell 1, power supply circuit 2, converting circuit 3, converting circuit 4, optoelectronic coupler 5, optoelectronic coupler 6, its characterized in that: the power circuit 2, the conversion circuit 3, the conversion circuit 4, the photoelectric coupler 5 and the photoelectric coupler 6 form an automatic power supply zero line identification device and are arranged in the product shell 1, and one line of an external 220V alternating current power supply is electrically connected with a pin 1 of the power circuit 2, the anode of the diode D2 and a pin 1 of the conversion circuit 3 through a pin 1 of the product shell 1; the other wire of the external 220V alternating current power supply is electrically connected with the pin 2 of the power circuit 2, the anode of the diode D1 and the pin 1 of the conversion circuit 4 through the pin 2 of the product shell 1; the pin 3 of the power circuit 2 is electrically connected with the pin 3 of the conversion circuit 3 and the pin 3 of the conversion circuit 4; the pin 2 of the conversion circuit 3 is electrically connected with the pin 2 of the conversion circuit 4, the pin 3 of the product shell 1 and an external load FZ; the 4 pins of the conversion circuit 3 are electrically connected with a photosensitive device GM1 of the photoelectric coupler 5; the 4 pins of the conversion circuit 4 are electrically connected with a photosensitive device GM2 of the photoelectric coupler 6; the pin 5 of the conversion circuit 3 is electrically connected with the pin 5 of the conversion circuit 4, the pin 6 of the product shell 1 and the cathode of the external light emitting diode LED; the pin 6 of the conversion circuit 3 is electrically connected with the pin 6 of the conversion circuit 4, the pin 5 of the product shell 1 and the anode + of the external light emitting diode LED; the cathode of the diode D1 is electrically connected with a neon lamp ND1 in the photoelectric coupler 5; the cathode of the diode D2 is electrically connected with a neon lamp ND2 in the photoelectric coupler 6; the other end of the neon lamp ND1 in the photoelectric coupler 5 is electrically connected with the other end of the neon lamp ND2 in the photoelectric coupler 6, the 4 feet of the product shell 1 and the external touch piece CM.
2. The auto-id mains zero line device module of claim 1, wherein: two sides of the product shell 1 are fixed with symmetrical 2 x 3 metal terminal pins, and corresponding leads of functional devices arranged in the shell can be electrically connected with external devices.
3. The auto-id mains zero line device module of claim 1, wherein: the product shell 1 is a module formed by casting a corresponding functional device and a terminal pin by using one insulating material of plastic package and plastics.
4. The auto-id mains zero line device module of claim 1, wherein: the photosensitive device GM1 in the photocoupler 5 is a device that is sensitive to light, such as one of a photoresistor, a photodiode, and a phototriode.
5. The auto-id mains zero line device module of claim 1, wherein: the photosensitive device GM2 in the photocoupler 6 is a device that is sensitive to light, such as one of a photoresistor, a photodiode, and a phototriode.
6. The auto-id mains zero line device module of claim 1, wherein: the neon lamp 1 in the photoelectric coupler 5 is a device with low starting voltage, such as one of a neon lamp and a low-voltage high-sensitivity light emitting diode.
7. The auto-id mains zero line device module of claim 1, wherein: the neon lamp 2 in the photoelectric coupler 6 is a device with low starting voltage, such as a neon lamp or a low-voltage high-sensitivity light emitting diode.
8. The auto-id mains zero line device module of claim 1, wherein: the touch sheet CM is made of a conductive metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096308.2A CN114362122A (en) | 2020-10-14 | 2020-10-14 | Automatic discernment power zero line device module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096308.2A CN114362122A (en) | 2020-10-14 | 2020-10-14 | Automatic discernment power zero line device module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114362122A true CN114362122A (en) | 2022-04-15 |
Family
ID=81090148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011096308.2A Pending CN114362122A (en) | 2020-10-14 | 2020-10-14 | Automatic discernment power zero line device module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114362122A (en) |
-
2020
- 2020-10-14 CN CN202011096308.2A patent/CN114362122A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220415 |