CN202676836U - Silicon bridge rectifier detection circuit - Google Patents
Silicon bridge rectifier detection circuit Download PDFInfo
- Publication number
- CN202676836U CN202676836U CN 201220171781 CN201220171781U CN202676836U CN 202676836 U CN202676836 U CN 202676836U CN 201220171781 CN201220171781 CN 201220171781 CN 201220171781 U CN201220171781 U CN 201220171781U CN 202676836 U CN202676836 U CN 202676836U
- Authority
- CN
- China
- Prior art keywords
- silicon bridge
- pushbutton switch
- bridge rectifier
- group
- rectification silicon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a silicon bridge rectifier detection circuit. A power positive electrode VDD is connected with a negative terminal of a silicon bridge rectifier through one group of normal open contacts of a button switch SB1 and one group of normal open contacts of a button switch SB2, a terminal AC1 of the silicon bridge rectifier is connected to the other group of normal open contacts of the button switch SB1 and connected to a power negative electrode VSS through a resistor R and a light emitting diode VL; and a terminal AC2 of the silicon bridge rectifier is connected to the other group of normal open contacts of the button switch SB2 and connected to the power negative electrode VSS through the resistor R and the light emitting diode VL. The power positive electrode VDD is connected to the terminal AC2 of the silicon bridge rectifier through one group of normal open contacts of a button switch SB3 and connected to the terminal AC1 of the silicon bridge rectifier through one group of normal open contacts of a button switch SB4, a positive terminal of the silicon bridge rectifier is connected to the other group of normal open contacts of the button switch SB3 and the other group of normal open contacts of the button switch SB4 respectively and connected to the power negative electrode VSS through the resistor R and the light emitting diode VL. According to the utility model, the detection of the sequence of rectifier diodes in the silicon bridge rectifier is realized, the indications are provided by lights and sounds, and detection is simple, visual and quick.
Description
Technical field
The utility model relates to a kind of rectification silicon bridge testing circuit.
Background technology
The usual rectification silicon bridge that uses is by four or six commutation diodes permutation and combination and form through epoxy encapsulation in a certain order.
Because commutation diode is by manually being welded, wherein being no lack of the generation that align-err is arranged, the measurement of rectification silicon bridge adopts multimeter to wherein commutation diode test one by one, and is loaded down with trivial details, inconvenience.If the diode of wherein wrong ordering can not be detected, after energising, can produce short trouble so, or lack commutating circuit, can not realize rectification effect.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of rectification silicon bridge testing circuit is provided, and whether it can correctly make detection to the orientation of each commutation diode in the rectification silicon bridge.
In order to solve above technical matters, the utility model provides following technical scheme:
The rectification silicon bridge testing circuit, positive source VDD is connected to the negative terminal of rectification silicon bridge through wherein one group of normally opened contact of pushbutton switch SBI, pushbutton switch SB2, the AC1 end of rectification silicon bridge is connected to another group normally opened contact of pushbutton switch SBI, and is connected to power cathode VSS through resistance R and light emitting diode VL; The AC2 end of rectification silicon bridge is connected to another group normally opened contact of pushbutton switch pushbutton switch SB2, and is connected to power cathode VSS through resistance R and light emitting diode VL.Positive source VDD is connected to AC2 end and the AC1 end of rectification silicon bridge through wherein one group of normally opened contact of pushbutton switch pushbutton switch SB3, pushbutton switch SB4, the anode of rectification silicon bridge is connected to respectively another group normally opened contact of pushbutton switch pushbutton switch SB3, pushbutton switch SB4, and is connected to power cathode VSS through resistance R and light emitting diode VL.
Better, described pushbutton switch SBI, pushbutton switch SB2, pushbutton switch SB3, pushbutton switch SB4 are integrated the interlock type switch, can only have a pushbutton switch to press at every turn.
Better, the two ends of the lighting circuit that forms of described resistance R and light emitting diode VL and connect an acoustics.
The utility model has the advantage of:
The utility model provides a kind of rectification silicon bridge testing circuit, by the make-break operation for pushbutton switch, can realize the detection for commutation diode ordering in the rectification silicon bridge, and the indication by lighting sound, and test job is simple, and is directly perceived, rapidly.
Description of drawings
Accompanying drawing is the circuit diagram of a kind of embodiment of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme is clearer, and the utility model is described in further detail below in conjunction with accompanying drawing.
Rectification silicon bridge comprises commutation diode D1, D2, D3, the D4 of inner ordered arrangement, such as rearranging of figure a single-phase rectification silicon bridge.Be rectification silicon bridge in the dotted line frame among the figure, it has ac input end AC1 and the AC2 of external connection, and dc output end+with, i.e. dc output end anode and negative terminal.
Realize the pick-up unit of rectification silicon bridge, wherein, positive source VDD is connected to the negative terminal of rectification silicon bridge through wherein one group of normally opened contact of pushbutton switch SBI, pushbutton switch SB2, the AC1 end of rectification silicon bridge is connected to another group normally opened contact of pushbutton switch SB1, and be connected to power cathode VSS through resistance R and light emitting diode VL, realized whether detecting accurately for commutation diode D1 direction.The AC2 end of rectification silicon bridge is connected to another group normally opened contact of pushbutton switch pushbutton switch SB2, and is connected to power cathode VSS through resistance R and light emitting diode VL, has realized whether detecting accurately for commutation diode D2 direction.
Positive source VDD is connected to AC2 end and the AC1 end of rectification silicon bridge through wherein one group of normally opened contact of pushbutton switch pushbutton switch SB3, pushbutton switch SB4, the anode of rectification silicon bridge is connected to respectively another group normally opened contact of pushbutton switch pushbutton switch SB3, pushbutton switch SB4, and be connected to power cathode VSS through resistance R and light emitting diode VL, realized respectively whether detecting accurately for commutation diode D4, D3 direction.
As above, pushbutton switch SBI, pushbutton switch SB2, pushbutton switch SB3, pushbutton switch SB4 are operated once respectively, and by the indication that resistance R and light emitting diode VL form lighting circuit, just finished the testing of a rectification silicon bridge.
Better, described pushbutton switch SBI, pushbutton switch SB2, pushbutton switch SB3, pushbutton switch SB4 are integrated the interlock type switch, can only have a pushbutton switch to press at every turn, can effectively prevent influencing each other of each pushbutton switch.
Better, the two ends of the lighting circuit that described resistance R and light emitting diode VL form also connect an acoustics, can have the prompting effect that acousto-optic possesses.
Although this patent is explained with reference to preferred embodiment and accompanying drawing, non-limiting yet above-mentioned explanation should be considered as illustrative, variation and modification that the person's spirit according to the present invention of being familiar with the technique is made all should belong to protection scope of the present invention.
Claims (3)
1. rectification silicon bridge testing circuit is characterized in that:
Positive source VDD is connected to the negative terminal of rectification silicon bridge through wherein one group of normally opened contact of pushbutton switch SBI, pushbutton switch SB2, the AC1 end of rectification silicon bridge is connected to another group normally opened contact of pushbutton switch SBI, and is connected to power cathode VSS through resistance R and light emitting diode VL; The AC2 end of rectification silicon bridge is connected to another group normally opened contact of pushbutton switch SB2, and is connected to power cathode VSS through resistance R and light emitting diode VL;
Positive source VDD is connected to AC2 end and the AC1 end of rectification silicon bridge through wherein one group of normally opened contact of pushbutton switch SB3, pushbutton switch SB4, the anode of rectification silicon bridge is connected to respectively another group normally opened contact of pushbutton switch SB3, pushbutton switch SB4, and is connected to power cathode VSS through resistance R and light emitting diode VL.
2. rectification silicon bridge testing circuit according to claim 1 is characterized in that:
Described pushbutton switch SBI, pushbutton switch SB2, pushbutton switch SB3, pushbutton switch SB4 are integrated the interlock type switch, can only have a pushbutton switch to press at every turn.
3. rectification silicon bridge testing circuit according to claim 1 is characterized in that:
The two ends of the lighting circuit that described resistance R and light emitting diode VL form also connect an acoustics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171781 CN202676836U (en) | 2012-04-23 | 2012-04-23 | Silicon bridge rectifier detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171781 CN202676836U (en) | 2012-04-23 | 2012-04-23 | Silicon bridge rectifier detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676836U true CN202676836U (en) | 2013-01-16 |
Family
ID=47497733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220171781 Expired - Fee Related CN202676836U (en) | 2012-04-23 | 2012-04-23 | Silicon bridge rectifier detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558477A (en) * | 2013-11-12 | 2014-02-05 | 国家电网公司 | Rectifier bridge working condition tester |
-
2012
- 2012-04-23 CN CN 201220171781 patent/CN202676836U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558477A (en) * | 2013-11-12 | 2014-02-05 | 国家电网公司 | Rectifier bridge working condition tester |
| CN103558477B (en) * | 2013-11-12 | 2016-05-11 | 国网冀北电力有限公司秦皇岛供电公司 | Rectifier bridge duty tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130423 |