CN201178214Y - LED light identification apparatus for AC electricity source socket/ plug - Google Patents
LED light identification apparatus for AC electricity source socket/ plug Download PDFInfo
- Publication number
- CN201178214Y CN201178214Y CNU2008200038973U CN200820003897U CN201178214Y CN 201178214 Y CN201178214 Y CN 201178214Y CN U2008200038973 U CNU2008200038973 U CN U2008200038973U CN 200820003897 U CN200820003897 U CN 200820003897U CN 201178214 Y CN201178214 Y CN 201178214Y
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- Prior art keywords
- led
- identifying
- power
- parallel
- plug
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- 230000005611 electricity Effects 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an LED luminous identification device used for AC power sockets/plugs. The LED luminous identification device is arranged in the insulating body of an AC power socket/plug and conducted in the electrical connection and in parallel with an AC power source. The LED luminous identification device comprises a driving/current-limiting circuit and an LED light-emitting circuit, which are coupled sequentially. The driving/current-limiting circuit comprises a driving/current-limiting capacitor and a discharge resistor connected in parallel with the driving/current-limiting capacitor. The LED light-emitting circuit comprises an LED, an instant current-limiting protective resistor coupled to the LED, a rectifying diode connected in parallel to the LED and an instant voltage-limiting protective capacitor connected in parallel to the LED. The LED is allowed to emit light to display the position and the power supply condition of the AC power socket/plug. Additionally, the LED luminous identification device can detect and identify whether the AC power source wiring is in the correct, broken or false state.
Description
Technical field
The utility model relates to a kind of AC Power supply socket/plug with the luminous device for identifying of LED, particularly relates to a kind of luminous device for identifying of LED that is applicable to AC power extended line socket/and general fixed AC Power supply socket.
Background technology
The kind of AC Power supply socket mainly is divided at present: general fixed AC Power supply socket, AC power extended line are with socket and switching type AC Power supply socket etc., for direct or conversion transmission AC power.
General fixed AC Power supply socket must electrically connect extraneous AC power, and the AC power extended line is when reality is used, the plug of AC power extended line must be plugged in the building AC Power supply socket, the ac power plug of general electronic and electrical equipment then is plugged in the socket of AC power extended line, make the plug and socket of extraneous AC power, use power supply with the supply electronic and electrical equipment via extended line.
But when generally using, be not easy to perceive rapidly fixed AC Power supply socket and AC power extended line socket, and can't judge its power supply status.For solving this defective, present AC power extended line installs the power supply indication additional in its socket uses neon lamp, with the luminous socket that demonstrates, and indicates its power supply status, conveniently discovers identification for the user.But the neon lamp of said fixing type AC Power supply socket and AC power extended line is shorter useful life, generally has only 30000 hours.Present in addition building is when detecting the wiring states such as live wire, zero line and ground wire of AC power distribution, just doing simple test differentiates, and can't be on AC Power supply socket/plug the directly correct wiring of identification, broken string or various false wiring state, therefore be necessary to be improved.
Summary of the invention
The purpose of this utility model provides a kind of AC Power supply socket/plug luminous device for identifying of LED, be applicable to 110V, the 220V AC power, with the luminous loop of the empty wasted work rate property driving LED of electric capacity, avoid electronic circuit to produce heating down in the voltage energy conversion, can bear electric plug impacts, and light-emitting diode useful life was up to 100000 hours, low power consumption, volume is little, possesses multicolour, be fit to each occasion and use, can luminous demonstration AC Power supply socket/plug position and power supply state thereof, and further detect the correct wiring of identification AC power distribution, broken string or false wiring state.
For achieving the above object, the luminous device for identifying of the utility model LED is located in the insulating body of AC Power supply socket or plug, and this insulating body inside is provided with a plurality of conductive tabs, to electrically connect AC power; The luminous device for identifying of this LED electrically connects and is parallel to this AC power, and it includes driving current limliting loop and the luminous loop of a LED that couples in regular turn; This driving current limliting loop comprises one and drives a current limiting capacitance and a discharge resistance in parallel thereof; The luminous loop of this LED comprises a light-emitting diode and couples current-limiting protection resistance in a flash, a rectifier diode in parallel with this light-emitting diode, and a moment voltage-limiting protection electric capacity in parallel with this light-emitting diode.
In preferred embodiment, couple another rectifier diode between this light-emitting diode and the rectifier diode.Again, above-mentioned two rectifier diodes constitute the halfwave rectifier loop.
In another preferred embodiment, this AC power includes a live wire, a zero line and a ground wire, electrically connect the luminous device for identifying of LED that is parallel with first group between this live wire and the zero line, between this live wire and ground wire, electrically connect the luminous device for identifying of LED that is parallel with second group, and electrically connect the luminous device for identifying of LED that is parallel with the 3rd group between this zero line and the ground wire; Each is organized the luminous device for identifying of LED and has this driving current limliting loop and the luminous loop of LED respectively, with and light-emitting diode be made as different photochromic to each other.
The beneficial effects of the utility model are: it is applicable to 110V, 220V AC power, with the luminous loop of the empty wasted work rate property driving LED of electric capacity, avoid electronic circuit to produce heating down in the voltage energy conversion, can bear electric plug impacts, and light-emitting diode useful life was up to 100000 hours, low power consumption, volume is little, possesses multicolour, being fit to each occasion uses, can luminous demonstration AC Power supply socket/plug position and power supply state thereof, and further detect correct wiring, broken string or the false wiring state of identification AC power distribution.
Description of drawings
Fig. 1 is the schematic diagram that the luminous device for identifying of the utility model preferred embodiment LED is packaged in power extending line AC Power supply socket/plug;
Fig. 2 is the stereogram of Fig. 1 power extending line;
Fig. 3 is the circuit diagram of the luminous device for identifying of Fig. 1 LED;
Fig. 4 is the another kind of circuit diagram as Fig. 3;
Fig. 5 is another circuit diagram as Fig. 3;
Fig. 6 is the another kind of circuit diagram as Fig. 5;
Fig. 7 is the circuit diagram of the luminous device for identifying of the utility model another preferred embodiment LED;
Fig. 8 is the another kind of circuit diagram as Fig. 7.
The main element symbol description:
10 AC power cord, 11 leads, 12 coating layers
111 live wires, 112 zero lines, 113 ground wires
20 ac power plugs, 21 insulating bodies, 22 conductive tabs
23 housings
30 AC Power supply socket, 31 insulating bodies, 32 conductive tabs
33 housings, 34 jacks
41,42, the luminous device for identifying of 43LED
44 drive the luminous loop of current limliting loop 45LED
C1 drives current limiting capacitance C2 moment voltage-limiting protection electric capacity
D1, D2 rectifier diode
LED1, LED2, LED3 light-emitting diode
R1 discharge resistance R2 moment current-limiting protection resistance
Embodiment
Relevant the utility model is for reaching above-mentioned purpose, and technological means that is adopted and effect thereof enumerate possible embodiments now, and conjunction with figs. are described as follows:
At first, see also Fig. 1, the luminous device for identifying 41 of the utility model LED mainly is applicable to the ac power plug 20 and/or the AC Power supply socket 30 of AC power extended line, with the luminous device for identifying 41 of driving LED under 110V or the supply of 220V AC power, and direct luminous demonstration ac power plug 20 and/or AC Power supply socket 30 positions, and can the identification power supply state.In addition, the luminous device for identifying 41 of the utility model LED is also applicable to one section fixed AC Power supply socket and switching type AC Power supply socket.
In the preferred embodiment of Figure 1 and Figure 2, be as the representative explanation with the AC power extended line, AC power extended line as shown in the figure is made up of an AC power cord 10, an ac power plug 20, an AC Power supply socket 30 and at least one or luminous device for identifying 41 of two LED, this AC power cord 10 has inner a plurality of electric lead 11 and external packets coating 12, with the transmission AC power.The insulating body 21 of this ac power plug 20 is provided with a plurality of plant type conductive tabs 22, to be electrically connected at an end of this AC power cord 10 and lead 11.Insulating body 31 inside of this AC Power supply socket 30 are provided with a plurality of type conductive tabs 32 and relative jacks 34 of inserting and putting, to be electrically connected at the other end of this AC power cord 10 and lead 11.The luminous device for identifying 41 of the utility model LED is embedded in this ac power plug 20 and the AC Power supply socket 30, or both one of them, and constitute the electric connection state to each other.
When the ac power plug 20 of AC power extended line is pegged graft the extraneous AC power of input, promptly be supplied to AC Power supply socket 30 via AC power cord 10 and lead 11, electronic and electrical equipment can be pegged graft use AC Power supply socket 30 and AC power, the ac power plug 20 of the luminous device for identifying 41 luminous demonstration AC power extended lines of while LED and the position of AC Power supply socket 30, and represent that it is in the ac power supply state.
Luminous device for identifying 41 electrically connects on the live wire 111 and zero line 112 that is parallel in the AC power conductors 11 to LED shown in Figure 3 at Fig. 1, and the luminous device for identifying 41 of this LED includes a driving current limliting loop 44 and the luminous loop 45 of a LED that couples in regular turn; This driving current limliting loop 44 comprises one and drives a current limiting capacitance C1 and a discharge resistance R1 in parallel thereof, and the discharge path that drives current limiting capacitance C1 is provided by discharge resistance R1.The luminous loop 45 of this LED comprises a LED 1 and couples current-limiting protection resistance R in a flash 2; the one rectifier diode D1 in parallel with this LED 1; and one in parallel with this LED 1 moment voltage-limiting protection capacitor C 2, by moment voltage-limiting protection capacitor C 2 and moment current-limiting protection resistance R 2 provide moment voltage-limiting current-limiting protection.When AC power is imported, provide the fictitious power current-limiting impedance via driving current limiting capacitance C1, control LED 1 luminous and brightness to drive, and luminous demonstration ac power plug 20 and AC Power supply socket 30 positions, and represent that it is in the ac power supply state.
The luminous device for identifying 41 of the utility model LED also can be made as circuit arrangement shown in Figure 4, and rectifier diode D1 and LED 1 are changed direction.
See also Fig. 5 and the luminous device for identifying 41 of LED shown in Figure 6, wherein the luminous loop 45 of this LED mainly couples another rectifier diode D2 between LED 1 and rectifier diode D1, and these two rectifier diode D1, D2 constitute the halfwave rectifier loop, and are luminous with 1 flicker of driven for emitting lights diode (LED).
Belong to identical operation logic in Fig. 7 and two kinds of circuit shown in Figure 8, and cooperate a live wire 111, a zero line 112 and a ground wire 113 in the AC power conductors 11, show the various wiring states of building AC power distribution with detecting.Electrically connect the luminous device for identifying 41 of LED that is parallel with first group as shown in the figure between this live wire 111 and the zero line 112, then electrically connect the luminous device for identifying 42 of LED that is parallel with second group between this live wire 111 and the ground wire 113, and electrically connect the luminous device for identifying 43 of LED that is parallel with the 3rd group between this zero line 112 and the ground wire 113; Each is organized the luminous device for identifying 41,42,43 of LED and has a driving current limliting loop 44 and the luminous loop 45 of a LED respectively, with and LED 1, LED2, LED3 be made as to each other different photochromic, to utilize the various wiring states of the corresponding AC power distribution of different photochromic demonstrations.
The wiring state of live wire 111, zero line 112 and the ground wire 113 of the above-mentioned AC power distribution of relevant detecting can be divided into following six kinds:
1, normal condition (Correct):
So 111 pairs of zero lines 112 of live wire, 111 pairs of ground wires of live wire, 113 normal supply voltages are LED 1, the bright lamp of LED2.But zero line 112 and ground wire 113 voltages are almost 0V, the lamp so LED 3 does not work.
2, live wire 111 open circuit (0pen Hot):
3, zero line 112 open circuit (Open Neutral):
When zero line 112 opened circuit, 111 pairs of zero lines of live wire 112 did not have the pressure reduction of supply, and zero line 112 and ground wire 113 voltages are almost 0V, the lamp so LED 1, LED3 do not work.So 111 pairs of ground wires of live wire, 113 normal supply voltages are LED 2 bright lamps.
4, ground wire 113 open circuit (Open GND):
When ground wire 113 opened circuit, so 111 pairs of zero lines of live wire, 112 normal supply voltages were LED 1 bright lamp.But LED 2, LED3 drive circuit form series connection, and cause its two current limiting capacitances series connection, allow its equiva lent impedance be the bright lamp of may command LED and do not work lamp in design, in the design, make LED 2, the LED3 lamp that do not work less than the LED drive current.
5, live wire 111 and ground wire 113 reversal connections (Hot/GND REV):
When live wire 111 during, 111 pairs of ground wires 113 of live wire, 111 pairs of zero lines of live wire, 112 normal supply voltages, so LED 2, the bright lamp of LED3 with ground wire 113 reversal connections.But LED 1 drive circuit becomes 112 pairs of ground wires 113 of zero line, the lamp so LED 1 does not work.
6, live wire 111 and zero line 112 reversal connections (Hot/Neutral REV):
When live wire 111 and zero line 112 reversal connections, LED 2 drive circuits become 112 pairs of ground wires 113 of zero line, the lamp so LED 2 does not work.So 111 pairs of ground wires 113 of live wire, 111 pairs of zero lines of live wire, 112 normal supply voltages are LED 1, the bright lamp of LED3.
The luminous device for identifying of the utility model LED is applicable to 110V, the 220V AC power, with the luminous loop of the empty wasted work rate property driving LED of electric capacity, avoid electronic circuit to produce heating down in the voltage energy conversion, can bear electric plug impacts, and light-emitting diode useful life was up to 100000 hours, low power consumption, volume is little, possesses multicolour, being fit to each occasion uses, can luminous demonstration AC Power supply socket/plug position and power supply state thereof, and further detect the correct wiring of identification AC power distribution, broken string or false wiring state possess value on the industry.
Above illustrated embodiment is only used the utility model for convenience of description, and is not in a limitative way, not from the utility model spirit category, the those skilled in the art various simple and easy variation and the modification that can do, all must include in the scope of claims.
Claims (4)
1, a kind of AC Power supply socket/plug luminous device for identifying of LED, it is characterized in that: be located in the insulating body of AC Power supply socket or plug, this insulating body inside is provided with a plurality of conductive tabs, to electrically connect AC power; The luminous device for identifying of this LED electrically connects and is parallel to this AC power, and it includes a driving current limliting loop and the luminous loop of a LED that couples in regular turn; This driving current limliting loop comprises one and drives a current limiting capacitance and a discharge resistance in parallel thereof; The luminous loop of this LED comprises a light-emitting diode and couples current-limiting protection resistance in a flash, a rectifier diode in parallel with this light-emitting diode, and a moment voltage-limiting protection electric capacity in parallel with this light-emitting diode.
2, AC Power supply socket according to claim 1/plug is characterized in that: couple another rectifier diode between this light-emitting diode and the rectifier diode with the luminous device for identifying of LED.
3, AC Power supply socket according to claim 2/plug is characterized in that: these two rectifier diodes formation halfwave rectifier loops with the luminous device for identifying of LED.
4, AC Power supply socket according to claim 1/plug luminous device for identifying of LED, it is characterized in that: this AC power includes a live wire, a zero line and a ground wire, electrically connect the luminous device for identifying of LED that is parallel with first group between this live wire and the zero line, between this live wire and ground wire, electrically connect the luminous device for identifying of LED that is parallel with second group, and electrically connect the luminous device for identifying of LED that is parallel with the 3rd group between this zero line and the ground wire; Each is organized the luminous device for identifying of LED and has this driving current limliting loop and the luminous loop of LED respectively, with and light-emitting diode be made as different photochromic to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200038973U CN201178214Y (en) | 2008-03-03 | 2008-03-03 | LED light identification apparatus for AC electricity source socket/ plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200038973U CN201178214Y (en) | 2008-03-03 | 2008-03-03 | LED light identification apparatus for AC electricity source socket/ plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201178214Y true CN201178214Y (en) | 2009-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200038973U Expired - Lifetime CN201178214Y (en) | 2008-03-03 | 2008-03-03 | LED light identification apparatus for AC electricity source socket/ plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201178214Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231705A (en) * | 2016-03-24 | 2017-10-03 | 泰纳克塔集团股份公司 | It is a kind of that there is the improvement heating electrical appliance for reducing electromagnetic field radiation |
| CN111509498A (en) * | 2020-05-11 | 2020-08-07 | 任丘市物仪电子有限公司 | Safety instrument power cord |
-
2008
- 2008-03-03 CN CNU2008200038973U patent/CN201178214Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231705A (en) * | 2016-03-24 | 2017-10-03 | 泰纳克塔集团股份公司 | It is a kind of that there is the improvement heating electrical appliance for reducing electromagnetic field radiation |
| CN111509498A (en) * | 2020-05-11 | 2020-08-07 | 任丘市物仪电子有限公司 | Safety instrument power cord |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUXI GUOFENG ELECTRICAL TECHNOLOGY CO.,LTD Free format text: FORMER OWNER: YFC-BONEAGLE ELECTRIC CO.,LTD Effective date: 20090424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090424 Address after: Xishan Economic Development Zone, Xishan District, Jiangsu City, Wuxi Province, China: 214000 Patentee after: Wuxi Guofeng Electronic Technology Co., Ltd. Address before: Taoyuan County, Taiwan, china: Patentee before: Yuefeng Tech Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090107 |