CN202172183U - Power socket with circuit status indicating function - Google Patents
Power socket with circuit status indicating function Download PDFInfo
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- CN202172183U CN202172183U CN2011202722856U CN201120272285U CN202172183U CN 202172183 U CN202172183 U CN 202172183U CN 2011202722856 U CN2011202722856 U CN 2011202722856U CN 201120272285 U CN201120272285 U CN 201120272285U CN 202172183 U CN202172183 U CN 202172183U
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Abstract
The utility model relates to a power socket which can indicate the circuit on-off status, is simple in circuit structure and has a circuit status indicating function. The technical scheme is that the power socket with the circuit status indicating function comprises a phase line connecting end, a neutral line connecting end and a ground line connecting end. The power socket with the circuit status indicating function is characterized in that a first rectifying diode, a second rectifying diode and a first light-emitting diode are in series connection between the phase line connecting end and the neutral line connecting end in the same direction. A negative electrode of the first rectifying diode is connected with the neutral line connecting end through a negative booster, a positive electrode of the second rectifying diode is connected with the phase line connecting end through a negative booster, the first light-emitting diode is in series connection between the first rectifying diode and the second rectifying diode, a branch circuit arranged between the first light-emitting diode and the second rectifying diode is connected with the ground line connecting end, the branch circuit is formed by series connection of a second light-emitting diode, a third light-emitting diode and a negative booster, and the second light-emitting diode and the third light-emitting diode are in parallel connection in reverser direction.
Description
Technical field
The utility model relates to AC Power supply socket (or wiring board), particularly a kind of supply socket that can the circuit on off operating mode.
Background technology
As everyone knows, the wiring board that generally uses now is single-phase three-wire supply socket or the supply socket of single-phase two wires mostly.According to the difference of mounting means, can be divided into fixed socket and mobile socket.Fixed socket generally is installed in metope or ground etc., and the link through inside is connected with electrical network, and the cable that mobile socket generally all passes through to connect is connected with electrical network with plug, can place flexibly within the specific limits.Electric outlet structure comprises panel, jack, and the metal insert-connecting plate is arranged in the jack.Three jacks of single-phase three-wire supply socket are triangularly arranged, above in the middle of jack be earth connection, below the jack on the left side connect electrical network center line (or being called zero line), below the jack on the right connect electrical network phase line (or being called live wire).Common supply socket has only single function of supplying power, and the charged and wire connection state of socket itself is not had a clear and definite indication.
Adopt the electric equipment of single-phase three wire system power supply (live wire, zero line, ground wire are promptly arranged), be the filtering electromagnetic interference, often connect two safety electric capacity (being commonly called as Y electric capacity), lay respectively between live wire-ground wire, between zero line-ground wire at power input.If ground wire is connected with the casing of electric equipment (most applications all is like this), it is particularly important that ground wire seems.If ground wire breaks off, because the dividing potential drop effect of two electric capacity has the voltage of (1/2 AC-input voltage value) on the casing of equipment, exchange if be input as 220V, then have the alternating voltage of an about 110V on the casing.When human body touch the time to the shell of equipment, just have the electric current human body of flowing through, get an electric shock thereby produce.When the ground wire of supply socket breaks off or during loose contact, the user is difficult for discovering, only after taking place to get an electric shock, just possibly remove to detect ground wire.This causes very big hidden danger for user's personal safety.
In addition, generally speaking, live wire, zero line, the ground wire jack technical specification that is distributed with on electric socket panel limits, and the regularity of distribution as stated.But in the reality often because some wirings lack of standardization; Live wire, zero line connect instead; Cause part this to be had the equipment cisco unity malfunction or the damage of specific (special) requirements; Also exist potential safety hazard (equipment is provided with fuse on live wire, if the supply socket of power supply live wire and zero line reversal connection, the fuse of device interior just can not play a protective role so).
Chinese patent number 99204204.6 " appliance socket and the terminal blocks of band display unit " are at supply socket phase line link and center line link, and whether the display unit that cross-over connection is made up of light-emitting diode and dropping resistor can indicate socket to have easily.But it is improper perhaps to install for the mistake that exists in the wiring board circuit, for example: do not have indication whether the earth connection of equipment protection is connected, do not have zero line, live wire to connect anti-indication etc.Be exactly in normal use, also can make the earth connection of supply socket itself because of reasons such as misoperations, zero line, live wire etc. causes and comes off, and influences the normal use of wiring board.When some occasion can cause the setup error of socket owing to reasons such as carelessness or check, do not find above-mentioned mistake, thereby influence instrument and equipment and user's safety.
Chinese patent number 98202800.8 " multi-functional display type safety sockets "; Be that three indicator lights are set on socket panel; Each indicator light is made up of resistance of light-emitting diode series connection; Whether correct they are connected across respectively between live wire, ground wire and the zero line, judge the operating state that is connected and wiring board of live wire, zero line and earth connection through the luminous combination of three indicator lights.In daily use, the light and shade of indicator light can lead to misunderstanding, and causes the false judgment to the supply socket operating state, is unfavorable for instrument and equipment and user's safety equally.
Chinese patent number 200910056709.2 " a kind of mobile wiring boards of circuit state "; Adopt " delta connection "; Respectively between live wire-zero line, between live wire-ground wire, connect between zero line-ground wire light-emitting diode, current-limiting resistance, rectifier diode, constitute display circuit.Through three light emitting diode lamps bright, put out combination and indicate the line status of wiring board.The shortcoming of this circuit is, the rectifier diode of connection is many, and particularly it uses resistance to carry out current limliting and step-down, and electric energy loss is bigger, and promptly stand-by power consumption is bigger, is unfavorable for energy-conservation.
The utility model content
The utility model technical problem to be solved is exactly the shortcoming to the prior art supply socket, provides a kind of circuit structure simply to have the supply socket of line status indication, and the supply socket line status is indicated, and improves security performance.
The utility model solve the technical problem; The technical scheme that adopts is; Have the supply socket of line status indication, comprise phase line link, center line link and ground wire link, it is characterized in that; Series aiding connection first rectifier diode, second rectifier diode and first light-emitting diode between said phase line link and the center line link; The said first rectifier diode negative electrode links to each other with the center line link through reducing transformer, shown in the second rectifier diode anode link to each other with the phase line link through reducing transformer, said first light-emitting diode is connected between first rectifier diode and second rectifier diode; There is a branch road to link to each other between said first light-emitting diode and second rectifier diode, second light-emitting diode of said route reverse parallel connection and the 3rd light-emitting diode formation of connecting with reducing transformer with the ground wire link.
The supply socket of the utility model; Indicating circuit is simple in structure, only needs three light-emitting diodes and two rectifier diodes and corresponding reducing transformer, just can accomplish the indication of circuit state; When lighting, light-emitting diode is operated under direct current (pulsating direct current) state; Be in the forward conduction state, brightness is big, and it is clear to indicate.
Concrete, said reducing transformer is made up of electric capacity.Because electric capacity does not consume active power, the utility model adopts capacitance decompression, can reduce electric energy loss, and the supply socket for being connected with electrical network for a long time has special meaning.
Further, said electric capacity is parallel with resistance.Constitute discharge loop for the electric capacity parallel resistance, can improve fail safe,, be particularly suitable for adopting this scheme because the plug of mobile power socket generally all exposes.
Further, the light of said first light-emitting diode and the emission of second light-emitting diode has same hue, and different with the photochromic coloured silk of said the 3rd light-emitting diode emission.According to the annexation of circuit, when first light-emitting diode and second light-emitting diode were lighted, indication socket connection status was normal, select for use same hue and with other light-emitting diode color differentiation, indication is directly perceived more and eye-catching.
Concrete, said same hue is green.Two green LEDs are indicated normal conditions, more meet user's mental habit, are convenient to memory and identification.
Concrete, said supply socket is a fixed socket.The technical scheme of the utility model has the advantage of power saving, is particularly suitable for being fixedly connected on the fixed socket on the electrical network.
Further, said first light-emitting diode, second light-emitting diode and the 3rd light-emitting diode are arranged on the socket panel.The selection of this technical scheme is obvious, because fixed socket is unlike mobile socket, it does not have side etc. (or side etc. invisible).
The beneficial effect of the utility model is, circuit structure is simple, saves components and parts, and cost is low, and faulty indication is clear, saves electric energy.
Description of drawings
Fig. 1 is the electrical block diagram of embodiment;
Fig. 2 is a fixed socket panel layout sketch map;
Fig. 3 is a mobile socket panel layout sketch map.
Embodiment
Below in conjunction with accompanying drawing and embodiment, describe the technical scheme of the utility model in detail.
The utlity model has the supply socket of line status indication; Constitute by three light-emitting diodes, two rectifier diodes and three reducing transformers; Utilize the combination of three light-emitting diode operating states (light or extinguish), can indicate the multiple connection status of circuit.The supply socket light-emitting diode of the utility model is operated in when lighting under direct current (pulsating direct current) state, is in the forward conduction state, and brightness is big, and it is clear to indicate.
Embodiment
As shown in Figure 1, this routine supply socket is the single-phase three wire system socket, comprises phase line link L, center line link N and ground wire link PE, is connected with phase line, center line and the ground wire of electrical network respectively.The series aiding connection first rectifier diode D1, the second rectifier diode D2 and the first light-emitting diode A are as shown in Figure 1 between phase line link L and the center line link N.The first rectifier diode D1 negative electrode links to each other with center line link N through reducing transformer (capacitor C 1), and this routine reducing transformer all adopts capacitance decompression, like the capacitor C among Fig. 11, C2, C3.The second rectifier diode D2 anode links to each other with phase line link L through reducing transformer (capacitor C 2) among the figure; Among Fig. 1; The first light-emitting diode A is connected between the first rectifier diode D1 and the second rectifier diode D2; There is a branch road to link to each other between the first light-emitting diode A and the second rectifier diode D2, second light-emitting diode B of this route reverse parallel connection and the 3rd light-emitting diode C formation of connecting with reducing transformer (capacitor C 3) with ground wire link PE.This routine capacitor C 1, C2, C3 be parallel resistance R1, R2, R3 respectively, constitutes the discharge loop of corresponding capacitance, avoids power source plug socket just when electrical network is extracted, and the electric charge of capacitance stores damages the user.The state of circuit is confirmed according to the truth table of predefined first light-emitting diode, second light-emitting diode and the 3rd light-emitting diode.According to circuit shown in Figure 1, can find out that the wire connection state of three light-emitting diodes (A, B, C) indication is following:
In this example, among three light-emitting diode A, B, the C, light-emitting diode A, B select green LED for use, and light-emitting diode C selects red light emitting diodes for use.
Fig. 2 shows the panel construction sketch map of fixed socket; One group of single-phase-two-wire socket and one group of single-phase three-wire socket are arranged on the panel, and three light-emitting diode A, B, C are arranged on the socket panel upper left corner, and red light emitting diodes C is between two green LED A and B; Only light simultaneously as light-emitting diode A, B; And the socket wire connection state was only normal condition when light-emitting diode C extinguished, and other situation all need be checked socket, discharged fault.
Fig. 3 shows mobile socket panel construction sketch map, and one group of single-phase-two-wire socket and two groups of single-phase three-wire sockets are arranged on the panel, and three light-emitting diode A, B, C are arranged on the socket panel end, and the light-emitting diode arranging situation is the same.
Claims (8)
1. the supply socket that has the line status indication; Comprise phase line link, center line link and ground wire link; It is characterized in that; Series aiding connection first rectifier diode, second rectifier diode and first light-emitting diode between said phase line link and the center line link; The said first rectifier diode negative electrode links to each other with the center line link through reducing transformer, shown in the second rectifier diode anode link to each other with the phase line link through reducing transformer, said first light-emitting diode is connected between first rectifier diode and second rectifier diode; There is a branch road to link to each other between said first light-emitting diode and second rectifier diode, second light-emitting diode of said route reverse parallel connection and the 3rd light-emitting diode formation of connecting with reducing transformer with the ground wire link.
2. the supply socket with line status indication according to claim 1 is characterized in that said reducing transformer is made up of electric capacity.
3. the supply socket with line status indication according to claim 2 is characterized in that said electric capacity is parallel with resistance.
4. the supply socket with line status indication according to claim 1 is characterized in that, the light of said first light-emitting diode and the emission of second light-emitting diode has same hue, and different with the photochromic coloured silk of said the 3rd light-emitting diode emission.
5. the supply socket with line status indication according to claim 4 is characterized in that, said same hue is green.
6. the supply socket with line status indication according to claim 4 is characterized in that, the photochromic coloured silk of said the 3rd light-emitting diode emission is red.
7. according to each described supply socket of claim 1～6, it is characterized in that said supply socket is a fixed socket with line status indication.
8. the supply socket with line status indication according to claim 7 is characterized in that said first light-emitting diode, second light-emitting diode and the 3rd light-emitting diode are arranged on the socket panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202722856U CN202172183U (en) | 2011-07-29 | 2011-07-29 | Power socket with circuit status indicating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202722856U CN202172183U (en) | 2011-07-29 | 2011-07-29 | Power socket with circuit status indicating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172183U true CN202172183U (en) | 2012-03-21 |
Family
ID=45830369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202722856U Expired - Lifetime CN202172183U (en) | 2011-07-29 | 2011-07-29 | Power socket with circuit status indicating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202172183U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099563A (en) * | 2016-08-15 | 2016-11-09 | 北海市深蓝科技发展有限责任公司 | A kind of smart jack |
| CN110703154A (en) * | 2019-09-20 | 2020-01-17 | 东莞市华博精测仪表科技有限公司 | Socket test circuit and broadcast control method for socket test |
| CN110780126A (en) * | 2019-11-19 | 2020-02-11 | 珠海格力电器股份有限公司 | Phase sequence detection device and method and air conditioning equipment |
-
2011
- 2011-07-29 CN CN2011202722856U patent/CN202172183U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099563A (en) * | 2016-08-15 | 2016-11-09 | 北海市深蓝科技发展有限责任公司 | A kind of smart jack |
| CN110703154A (en) * | 2019-09-20 | 2020-01-17 | 东莞市华博精测仪表科技有限公司 | Socket test circuit and broadcast control method for socket test |
| CN110780126A (en) * | 2019-11-19 | 2020-02-11 | 珠海格力电器股份有限公司 | Phase sequence detection device and method and air conditioning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120321 |
|
| CX01 | Expiry of patent term |