CN202949098U - Universal alternating current/direct current plug with lamp within wide voltage range - Google Patents
Universal alternating current/direct current plug with lamp within wide voltage range Download PDFInfo
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- CN202949098U CN202949098U CN 201220630068 CN201220630068U CN202949098U CN 202949098 U CN202949098 U CN 202949098U CN 201220630068 CN201220630068 CN 201220630068 CN 201220630068 U CN201220630068 U CN 201220630068U CN 202949098 U CN202949098 U CN 202949098U
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- rectifier diode
- circuit board
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- diode
- plug
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Abstract
The utility model discloses a universal alternating current/direct current plug with a lamp within a wide voltage range. The plug comprises a plug housing, a connecting seat, a circuit board and a power supply cable, wherein the connecting seat, the circuit board and the power supply cable are arranged in the plug housing, one end of the connecting seat is connected to an appliance socket, the other end of the connecting seat is connected to the circuit board, the power supply cable is connected to the circuit board, and an X wiring terminal, a Y wiring terminal, a triode, a light emitting diode, a first resistor, a second resistor, a first rectifier diode, a second rectifier diode, a third rectifier diode, a fourth rectifier diode, a fifth rectifier diode and a sixth rectifier diode are welded on the circuit board. The triode, the light emitting diode, the first resistor, the second resistor, the first rectifier diode, the second rectifier diode, the third rectifier diode, the fourth rectifier diode, the fifth rectifier diode and the sixth rectifier diode are connected mutually through a printed circuit. The plug is wide in application range, convenient to manage and capable of reducing types of appliance plugs greatly and improving the convenience and the fault-tolerance of the use greatly.
Description
Technical field
The utility model relates to a kind of electrical equipment plug, particularly a kind of wide-voltage range AC/DC universal band lamp plug.
Background technology
In industrial equipment, appliance plug is widely used, and it is generally as the connector between electrical appliance and power supply.Plug can insert socket easily, and electrical appliance is started working when power connection, and when cutting off the electricity supply, electrical appliance quits work, and light-emitting diode is arranged on plug, in order to observe the power on/off situation.
Existing plug generally is comprised of Connection Block, circuit board and plug body; Connection Block is used for connecting electrical appliance socket and circuit board; circuit board connects service cable again; plug body is for the protection of internal circuit board; its material is generally transparent or semitransparent plastics, and the light that the light-emitting diode on circuit board sends can be distinguished.
Shown in Figure 1, the electronic devices and components of circuit board 1 inside interconnect by circuit board printed circuit 2, and electric current makes lumination of light emitting diode by resistance 3 and light-emitting diode 4 when switching on power, and play the effect that shows "on" position.
Traditional appliance plug is because internal circuit is simple, and alternating current-direct current can not be used with, and only can be operated under single voltage in use, if lower than rated voltage, interior light emitting diodes brightness descends; If higher than rated voltage, interior light emitting diodes is burnt, lose deixis.
In sum, the characteristic of traditional appliance plug has caused certainly will must having increased managerial difficulty for manufacturing enterprise with increasing the kind of appliance plug in order to satisfy the requirement of different electrical appliances, has also brought inconvenience in choice for use.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of applied widely, can significantly reduce the kind of appliance plug, is convenient to management, and has greatly improved user's convenience in the use and a kind of wide-voltage range AC/DC universal band lamp plug of fault-tolerance.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of wide-voltage range AC/DC universal band lamp plug, comprise plug body, be placed in Connection Block, circuit board and service cable in plug body, one end of described Connection Block is connected with the electrical appliance socket, and the other end is connected with circuit board, and described service cable is connected with circuit board; Described circuit board is provided with X terminals, Y terminals, triode, light-emitting diode, the first resistance, the second resistance and first, second, third, fourth, the 5th, the 6th rectifier diode; The positive pole of the first rectifier diode is connected with the X terminals, the negative pole of the first rectifier diode is connected with Light-Emitting Diode, the negative pole of light-emitting diode is connected with the collector electrode of triode, the positive pole of the second rectifier diode is connected with the Y terminals, the negative pole of the second rectifier diode is connected with an end of the second resistance, the other end of the second resistance is connected respectively with the positive pole of the ground level of triode with the 5th rectifier diode, the negative pole of the 5th rectifier diode is connected with the positive pole of the 6th rectifier diode, and the negative pole of the 6th rectifier diode is connected with the positive pole of the 4th rectifier diode; The emitting stage of triode is connected with an end of the first resistance, and the other end of the first resistance is connected with the positive pole of the second rectifier diode.
In an embodiment of the present utility model, described plug body is made by transparent or semitransparent material plastics.
In an embodiment of the present utility model, described triode, light-emitting diode, the first resistance, the second resistance and first, second, third, fourth, the 5th, the 6th rectifier diode are welded on circuit board.
In an embodiment of the present utility model, described triode, light-emitting diode, the first resistance, the second resistance and first, second, third, fourth, the 5th, the 6th rectifier diode interconnect by printed circuit.
By technique scheme, the beneficial effects of the utility model are:
1, the utility model plug can be operated in very wide power supply voltage range, it can be directly used on the electrical appliance of 6V-380V, and the alternating current-direct current that need not to consider supply power voltage whether, and be used for showing that the light-emitting diode luminance of electrical appliance state is even, is not subjected to the impact of supply power voltage.
2, the utility model plug scope of application has almost completely covered traditional appliance plug, can significantly reduce the kind of appliance plug, is convenient to management, and has greatly improved user's convenience and fault-tolerance in the use.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is existing plug circuit board internal structure schematic diagram;
1, circuit board 2, printed circuit 3, resistance 4, light-emitting diode
Fig. 2 is the utility model structural representation;
Fig. 3 is the utility model board structure of circuit schematic diagram;
Fig. 4 is the utility model circuit board principle schematic.
Numeral and the represented corresponding component title of letter in figure:
100, plug body 200, Connection Block 300, circuit board 310, X terminals 320, Y terminals 330, triode 340, light-emitting diode 350, the first resistance 360, the second resistance 370, the first rectifier diode 380, the second rectifier diode 390, the 3rd rectifier diode 400, the 4th rectifier diode 410, the 5th rectifier diode 420, the 6th rectifier diode 500, service cable
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Shown in Figure 2, a kind of wide-voltage range AC/DC universal of the utility model band lamp plug, comprise plug body 100, be placed in Connection Block 200, circuit board 300 and service cable 500 in plug body 100, one end of Connection Block 200 is connected with the electrical appliance socket, and the other end is connected with circuit board 300; Service cable 500 is connected with circuit board 300.
shown in Figure 3, circuit board 300 is provided with X terminals 310, Y terminals 320, triode 330, light-emitting diode 340, the first resistance 350, the second resistance 360 and the first, second, third, fourth, the 5th, the 6th rectifier diode, the positive pole of the first rectifier diode 370 is connected with X terminals 310, the negative pole of the first rectifier diode 370 is connected with the positive pole of Light-Emitting Diode 340, the negative pole of light-emitting diode 340 is connected with the collector electrode of triode 330, the positive pole of the second rectifier diode 380 is connected with Y terminals 320, the negative pole of the second rectifier diode 380 is connected with an end of the second resistance 360, the other end of the second resistance 360 is connected respectively with the ground level of triode 330 and the positive pole of the 5th rectifier diode 410, the negative pole of the 5th rectifier diode 410 is connected with the positive pole of the 6th rectifier diode 420, the negative pole of the 6th rectifier diode 420 is connected with the positive pole of the 4th rectifier diode 400, the emitting stage of triode 330 is connected with an end of the first resistance 350, and the other end of the first resistance 350 is connected with the positive pole of the second rectifier diode 380.
The utility model plug body 100 is made by transparent or semitransparent material plastics, and the light that the light-emitting diode on circuit board sends can be distinguished.
The utility model triode 330, light-emitting diode 340, the first resistance 350, the second resistance 360 and the first, second, third, fourth, the 5th, the 6th rectifier diode are welded on circuit board 300, and interconnect by printed circuit.
The circuit structure of the utility model internal circuit board 300 is different from the circuit board of traditional appliance plug, and other part is identical with conventional plug.
First, second, third, fourth rectifier diode forms " full bridge rectifier ", no matter makes how the both positive and negative polarity of service cable voltage changes, and can make the polarity of voltage that offers constant-current circuit constant.
The the 5th, the 6th rectifier diode wherein, first, second resistance, triode, light-emitting diode form " constant-current circuit ", make the current constant by light-emitting diode, and are not subjected to the impact of service cable voltage.
Referring to Fig. 3 and shown in Figure 4, the utility model is divided into " full bridge rectifier " part and " constant-current circuit " part, is below " full bridge rectifier " part and " constant-current circuit " part specific works principle.
The full bridge rectifier principle: when X terminals 310 connect that power supply is anodal, when Y terminals 320 connect the power supply negative pole, due to the unilateral conduction of rectifier diode, the flow direction of electric current is followed successively by X terminals 310, the first rectifier diode 370, some a, " constant-current circuit ", some b, the 4th rectifier diode 400, Y terminals 320; When Y terminals 320 connect that power supply is anodal, when X terminals 310 connect the power supply negative pole, the flow direction of electric current is followed successively by Y terminals 320, the 3rd rectifier diode 390, some a, " constant-current circuit ", some b, the second rectifier diode 380, X terminals 310.Like this, regardless of the polarity of powering, inner direction through " constant-current circuit " is always an a to putting b.
Constant-current circuit principle: as described in " full bridge rectifier principle ", the voltage of point a is forever for just, the voltage of point b is forever for negative, when electric current flows through the second resistance 360, the 5th rectifier diode 410, the 6th rectifier diode 420 successively from an a, the pressure drop that produces when the conducting due to rectifier diode will will produce the voltage of a 1.4V at a c; This voltage will produce the voltage of a 0.7V after by triode 330 at some d, the voltage of this 0.7V will be constant by 330, triode, and not be subjected to the impact of supply power voltage; The electric current that note flows through the first resistance 350 is i4, and this electric current is because the voltage perseverance of a d is 0.7V, and the resistance value of the first resistance 350 is fixed, so i4 also immobilizes; The size of i4 electric current is the current i 3 and current i 2 sums that flow through triode 330 emitters that flows through light-emitting diode 340, and the amplification due to triode 330, make i4 be far longer than the current value of i2, so i2 can be left in the basket usually, namely the size of current of i3 equals the size of current of i4; In sum, the current i 3 that flows through light-emitting diode 240 can keep constant, not affected by supply power voltage, has namely completed the function of constant current.
Shown in Figure 2, the utility model connected mode in use is identical with traditional plug, and service cable is connected directly on circuit board, by circuit board, power supply is connected in parallel on Connection Block, and Connection Block is connected on the electrical appliance socket again and powers to electrical appliance.
Operating mode one: for just, the voltage of some Y is when negative when the voltage that is applied to X terminals 310, and the circuit on circuit board makes it luminous with power-supply rectifying, constant current rear drive light-emitting diode.
Operating mode two: for negative, the voltage of Y terminals 320 is timing when the voltage that is applied to X terminals 310, and whole process is with operating mode one.
Operating mode three: when the voltage that is applied to X terminals 310 and Y terminals 320 was alternating current, whole process was replacing fast of operating mode one and operating mode two.
When power supply was cut off, circuit board lost power supply, and light-emitting diode extinguishes.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. wide-voltage range AC/DC universal band lamp plug, comprise plug body, be placed in Connection Block, circuit board and service cable in plug body, one end of described Connection Block is connected with the electrical appliance socket, and the other end is connected with circuit board, and described service cable is connected with circuit board; It is characterized in that: described circuit board is provided with X terminals, Y terminals, triode, light-emitting diode, the first resistance, the second resistance and first, second, third, fourth, the 5th, the 6th rectifier diode; The positive pole of the first rectifier diode is connected with the X terminals, the negative pole of the first rectifier diode is connected with Light-Emitting Diode, the negative pole of light-emitting diode is connected with the collector electrode of triode, the positive pole of the second rectifier diode is connected with the Y terminals, the negative pole of the second rectifier diode is connected with an end of the second resistance, the other end of the second resistance is connected respectively with the positive pole of the ground level of triode with the 5th rectifier diode, the negative pole of the 5th rectifier diode is connected with the positive pole of the 6th rectifier diode, and the negative pole of the 6th rectifier diode is connected with the positive pole of the 4th rectifier diode; The emitting stage of triode is connected with an end of the first resistance, and the other end of the first resistance is connected with the positive pole of the second rectifier diode.
2. a kind of wide-voltage range AC/DC universal band lamp plug according to claim 1, it is characterized in that: described plug body is made by transparent or semitransparent material plastics.
3. a kind of wide-voltage range AC/DC universal band lamp plug according to claim 1, it is characterized in that: described triode, light-emitting diode, the first resistance, the second resistance and first, second, third, fourth, the 5th, the 6th rectifier diode are welded on circuit board.
4. a kind of wide-voltage range AC/DC universal band lamp plug according to claim 3, it is characterized in that: described triode, light-emitting diode, the first resistance, the second resistance and first, second, third, fourth, the 5th, the 6th rectifier diode interconnect by printed circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630068 CN202949098U (en) | 2012-11-23 | 2012-11-23 | Universal alternating current/direct current plug with lamp within wide voltage range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630068 CN202949098U (en) | 2012-11-23 | 2012-11-23 | Universal alternating current/direct current plug with lamp within wide voltage range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202949098U true CN202949098U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220630068 Expired - Fee Related CN202949098U (en) | 2012-11-23 | 2012-11-23 | Universal alternating current/direct current plug with lamp within wide voltage range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202949098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840325A (en) * | 2012-11-23 | 2014-06-04 | 上海立新液压有限公司 | Wide voltage range alternating-current and direct-current universal lamp-provided plug |
-
2012
- 2012-11-23 CN CN 201220630068 patent/CN202949098U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840325A (en) * | 2012-11-23 | 2014-06-04 | 上海立新液压有限公司 | Wide voltage range alternating-current and direct-current universal lamp-provided plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20161123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |