CN101630798A - Movable patch board for displaying line status - Google Patents
Movable patch board for displaying line status Download PDFInfo
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- CN101630798A CN101630798A CN200910056709A CN200910056709A CN101630798A CN 101630798 A CN101630798 A CN 101630798A CN 200910056709 A CN200910056709 A CN 200910056709A CN 200910056709 A CN200910056709 A CN 200910056709A CN 101630798 A CN101630798 A CN 101630798A
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- 239000003086 colorant Substances 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
本发明公开了一种显示线路状态的移动插线板，包括面板、指示装置、以及呈正三角形排列的插座，插座上方插孔是接地线，下方的左插孔、右插孔分别接有零线及火线。指示装置为三个指示灯，其中一指示灯包括发光二极管，其正极与火线连接，其负极与零线连接；一指示灯包括发光二极管，其正极与零线连接，其负极与接地线连接；另一指示灯包括发光二极管，其正极与火线连接，其负极与接地线连接；上述发光二极管分别串联同方向整流二极管以及电阻。由于整流二极管起单向导电的作用，这样就可以按照指示灯的亮、熄组合而不是明、暗组合来判断移动插线板的线路状态，在外界光线不理想时也便于了识别。
The invention discloses a mobile plug-in board for displaying line status, which includes a panel, an indicating device, and sockets arranged in an equilateral triangle. The upper socket of the socket is a ground wire, and the lower left socket and right socket are respectively connected with neutral wires. and FireWire. The indicating device is three indicator lights, one of which includes a light-emitting diode, whose positive pole is connected to the live wire, and whose negative pole is connected to the neutral line; one indicator light includes a light-emitting diode, whose positive pole is connected to the neutral line, and its negative pole is connected to the grounding line; The other indicator light includes a light-emitting diode, the anode of which is connected to the live wire, and the cathode of which is connected to the ground wire; the above-mentioned light-emitting diodes are respectively connected in series with rectifier diodes and resistors in the same direction. Since the rectifier diode acts as one-way conduction, the line state of the mobile patch panel can be judged according to the combination of on and off of the indicator light instead of the combination of light and dark, which is also convenient for identification when the external light is not ideal.
Description
Technical field
The present invention relates to the display unit of mobile wiring board, more particularly relate to a kind of mobile wiring board of circuit state.
Background technology
Known, the mobile wiring board that generally uses is single-phase three-wire wiring board or single-phase two wires wiring board mostly now, panel, jack are arranged on the wiring board, the electric power connecting sheet is arranged in the jack, three jacks of single-phase three-wire wiring board are equilateral triangle and arrange, the jack of top centre is an earth connection, the corresponding respectively connecting to neutral line of following left and right jack and the line of starting to exchange fire.But this kind wiring board has only single function of supplying power, and the charged and line status of wiring board itself is not had a clear and definite display unit.
Whether China Patent No. 99204204.6 " appliance socket and the terminal block of band display unit " is that cross-over connection has the display unit that is made of light-emitting diode and dropping resistor on two busbars of terminal block, can indicate socket to have easily.But for exist in the wiring board circuit wrong or install improperly, for example: be not used in the earth connection to equipment protection, do not have zero line or live wire, live wire and zero line problem such as connect instead and can not come into plain view.Be exactly in normal use, also can make the earth connection of wiring board itself because of reasons such as misoperations, zero line, live wire etc. causes and comes off, and influences wiring board and uses normally.Especially in the construction and installation of building trade and checking, do not find above-mentioned mistake in the time of can causing the setup error of socket or inspection owing to reasons such as carelessness, thereby influence instrument and equipment and user's safety.
China Patent No. 98202800.8 " multi-functional display type safety socket ", be that three indicator lights are set on socket panel, whether correct each indicator light is made of resistance of light-emitting diode series connection, judge the operating state that is connected and mobile terminal block of live wire, zero line and earth connection by the luminous combination of three indicator lights.But light-emitting diode is forward and reverse all can to conduct electricity (oppositely the resistance of time is greater than forward) and send light, just the bright degree difference of lamp.In daily use, particularly when extraneous light was undesirable, bright, the dark regular meeting of indicator light led to misunderstanding, and causes the false judgment to the wiring board operating state, equally also can influence instrument and equipment and user's safety.
Summary of the invention
At exist in the prior art can not lean on indicator light clear and definite bright, secretly differentiate the problem of mobile wiring board line status, the mobile wiring board that the purpose of this invention is to provide a kind of circuit state, the clearly combination of can be bright according to indicator light, putting out accurately shows the line status of mobile wiring board.
To achieve these goals, the present invention adopts following technical scheme:
A kind of mobile wiring board of circuit state comprises panel, indicating device and is the socket that equilateral triangle is arranged that socket top jack is an earth connection, left jack, the right jack of below are connected to zero line and live wire respectively, it is characterized in that described indicating device is three indicator lights, wherein
One indicator light comprises light-emitting diode, and its positive pole is connected with live wire, and its negative pole is connected with zero line; Also comprise and equidirectional rectifier diode of connecting of this light-emitting diode and resistance;
One indicator light comprises light-emitting diode, and its positive pole is connected with zero line, and its negative pole is connected with earth connection; Also comprise and equidirectional rectifier diode of connecting of this light-emitting diode and resistance;
Another indicator light comprises light-emitting diode, and its positive pole is connected with live wire, and its negative pole is connected with earth connection; Also comprise and equidirectional rectifier diode of connecting of this light-emitting diode and resistance.
Described indicator light is red; Indicator light is green; Indicator light is yellow.
Compared with prior art, adopt the mobile wiring board of a kind of circuit state of the present invention, at rectifier diode of each light-emitting diode equidirectional series connection of difference, because rectifier diode plays unilateal conduction, so just as indicated lamp bright, put out combination rather than the line status of mobile wiring board is judged in bright, dark combination, even work shape that also can circuit when extraneous light is undesirable, can not guarantee instrument and equipment and user's safety to the false judgment of wiring board operating state.
In addition, indicator light of the present invention has low, the easy manufacturing of cost, advantage easy to use.
Description of drawings
Fig. 1 is the structural representation of the mobile wiring board of a kind of circuit state of the present invention;
Fig. 2 is the electric principle schematic of the mobile wiring board of a kind of circuit state of the present invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
See also Fig. 1, shown in Figure 2, a kind of mobile wiring board of circuit state comprises panel 1, indicating device 2 and is the socket 3 that equilateral triangle is arranged, socket 3 top jacks 31 are earth connection E, left jack 32, the right jack 33 of below are connected to zero line N and live wire L respectively, indicating device 2 is three indicator lights, wherein an indicator light 23 comprises that its positive pole of light-emitting diode D3 is connected with live wire L, and its negative pole is connected with zero line N; Also comprise equidirectional rectifier diode D31 and resistance R of connecting with this light-emitting diode D3; One indicator light 21 comprises light-emitting diode D1, and its positive pole is connected with zero line N, and its negative pole is connected with earth connection E; Also comprise equidirectional rectifier diode D11 and resistance R of connecting with this light-emitting diode D1; Another indicator light 22 comprises light-emitting diode D2, and its positive pole is connected with live wire L, and its negative pole is connected with earth connection E; Also comprise equidirectional rectifier diode D21 and resistance R of connecting with this light-emitting diode D2.Because rectifier diode (D11, D21, D31) plays unilateal conduction, so just as indicated lamp (21,22,23) bright, put out combination rather than the line status of mobile wiring board is judged in bright, dark combination, when extraneous light is undesirable, also be convenient to identification.
As a specific embodiment of the present invention, indicator light 23 is red, and indicator light 22 is green, and indicator light 21 is yellow, like this can judge the real time line state of mobile wiring board more easily according to the combination of different colours indicator light.
Table 1 is the mapping table of each led status and mobile wiring board line status in use.
Table 1
As known from Table 1, indicator light 22 (green) and indicator light 23 (red) are bright, and it is normal that indicator light 21 (Huang) puts out the expression circuit, at this moment, light-emitting diode D3, light-emitting diode D2 are in the forward conduction state, and the identical then indicator lights 21 of light-emitting diode D1 two terminal potentials (Huang) are for putting out.
If zero line N and live wire L connect instead, light-emitting diode D1 is in the forward conduction state, and indicator light 21 (Huang) is bright.And light-emitting diode D2, D3 are in the reverse-conducting state, so indicator light 22 (green) 23 (red) puts out.
If three indicator lights (21,22,23) are and put out, L is disconnected for the expression live wire, is off state.
If zero line N is disconnected, then light-emitting diode D3 and light-emitting diode D1 are series connection, and then all light-emitting diodes (D1, D2, D3) all are in the forward conduction state in the circuit, and three indicator lights (21,22,23) are bright entirely.
If earth connection E is disconnected, then light-emitting diode D1 and light-emitting diode D2 are series connection, because rectifier diode D11 reverse-conducting, so indicator light 22 (green) and indicator light 21 (Huang) are for putting out.Light-emitting diode D3 is in the forward conduction state, so indicator light 23 (red) is bright.
With the precision instrument that power quality is had relatively high expectations is example, indicator light 22 (green) and indicator light 23 (red) are for putting out if indicator light 21 (Huang) is bright, illustrate that then live wire L and zero line N have the phenomenon of reversal connection in the circuit, if precision instrument is inserted mobile wiring board then may cause damage this moment to instrument.Other indicator lights (21,22) illustrate then that for putting out the earth connection E in the circuit is disconnected if indicator light 23 (red) is bright, at this moment will note not contacting the shell of electric equipment, to prevent the generation of electric shock accidents., three indicator lights (21,22,23) illustrate that live wire L is disconnected if all not working.Be very easy to find the reason of line fault like this, simplified fault treating procedure greatly.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating purpose of the present invention, and be not as limitation of the invention, as long as in essential scope of the present invention, all will drop in the scope of claim of the present invention variation, the modification of the above embodiment.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910056709A CN101630798A (en) | 2009-08-20 | 2009-08-20 | Movable patch board for displaying line status |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910056709A CN101630798A (en) | 2009-08-20 | 2009-08-20 | Movable patch board for displaying line status |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101630798A true CN101630798A (en) | 2010-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910056709A Pending CN101630798A (en) | 2009-08-20 | 2009-08-20 | Movable patch board for displaying line status |
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| Country | Link |
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| CN (1) | CN101630798A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299936A (en) * | 2015-06-09 | 2017-01-04 | 国网辽宁省电力有限公司营口供电公司 | The safe electricity-getting converter of replaceable plug |
| WO2017066957A1 (en) * | 2015-10-22 | 2017-04-27 | 深圳市同盛绿色科技有限公司 | Power plug |
| CN106611920A (en) * | 2015-10-22 | 2017-05-03 | 深圳市同盛绿色科技有限公司 | A power supply plug |
-
2009
- 2009-08-20 CN CN200910056709A patent/CN101630798A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299936A (en) * | 2015-06-09 | 2017-01-04 | 国网辽宁省电力有限公司营口供电公司 | The safe electricity-getting converter of replaceable plug |
| WO2017066957A1 (en) * | 2015-10-22 | 2017-04-27 | 深圳市同盛绿色科技有限公司 | Power plug |
| CN106611920A (en) * | 2015-10-22 | 2017-05-03 | 深圳市同盛绿色科技有限公司 | A power supply plug |
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Open date: 20100120 |