CN203775057U - Rectifier and rectification circuit - Google Patents
Rectifier and rectification circuit Download PDFInfo
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- CN203775057U CN203775057U CN201420059751.6U CN201420059751U CN203775057U CN 203775057 U CN203775057 U CN 203775057U CN 201420059751 U CN201420059751 U CN 201420059751U CN 203775057 U CN203775057 U CN 203775057U
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Abstract
The utility model provides a rectifier and a rectification circuit. The rectifier comprises a rectifier diode set, an input end and a switch; wherein the rectifier diode set further includes four rectifier diodes, the anode of the first rectifier diode is connected with the cathode of the second rectifier diode, the anode of the second rectifier diode is connected with the anode of the third rectifier diode, the cathode of the third rectifier diode is connected with the anode of the fourth rectifier diode, and the cathode of the fourth rectifier diode is connected with the cathode of the first rectifier diode; the input end is connected with an AC power supply and the rectifier diode set so that the rectifier diode set rectifies alternating current output by the AC power supply; and the switch is connected between any two adjacent rectifier diodes in the rectifier diode set, when the switch is connected, the rectifier diode set carries out full-wave rectification, and when the switch is disconnected, the rectifier diode set carries out half-wave rectification. Thus, switching between full-wave rectification and half-wave rectification is realized.
Description
Technical field
The utility model relates to commutation technique field, in particular to a kind of rectifier and a kind of rectification circuit.
Background technology
As shown in Figure 1, existing full-wave rectifier utilizes the one-way conduction characteristic of diode, and inner integrated 4 rectifier diodes, in order to realize full-wave rectification.And inner integrated 2 diodes of half-wave rectifier are realized halfwave rectifier.If wanting to utilize a rectifier can realize full-wave rectification, prior art can realize again halfwave rectifier, just need to use a full-wave rectifier, then external rectifier diode, relay or a controllable silicon, carry out rectification control to civil power, realizes the switching between half-wave and full-wave rectification.This technology is not only controlled complexity, uses components and parts more, and cost is high, and reliability is low, is unfavorable for the integrated of circuit.
Therefore, how to make rectifier can realize full-wave rectification and can realize again halfwave rectifier, become technical problem urgently to be resolved hurrily at present.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art or correlation technique.
For this reason, an object of the present utility model is to have proposed a kind of rectifier.
Another object of the present utility model is to have proposed a kind of rectification circuit.
For achieving the above object, according to the embodiment of first aspect of the present utility model, a kind of rectifier has been proposed, comprise: rectifier diode group, comprise four rectifier diodes, described four rectifier diodes are connected in series, wherein, the positive pole of the first rectifier diode is connected to the negative pole of the second rectifier diode, the positive pole of the second rectifier diode is connected to the positive pole of the 3rd rectifier diode, the negative pole of the 3rd rectifier diode is connected to the positive pole of the 4th rectifier diode, and the negative pole of described the 4th rectifier diode is connected to the negative pole of described the first rectifier diode; Input, is connected to AC power and described rectifier diode group, for described rectifier diode group, the alternating current of AC power output is carried out to rectification; Switch, is connected in described rectifier diode group between any two adjacent rectifier diodes, and in the time of described switch conduction, described rectifier diode group is carried out full-wave rectification, and in the time that described switch turn-offs, described rectifier diode group is carried out halfwave rectifier.
According to the rectifier of the utility model embodiment, between rectifier diode, add switch, like this, can control the conducting quantity of rectifier diode by the turn-on and turn-off of control switch, in the time of switch conduction, four whole conductings of rectifier diode, now, can realize full-wave rectification, in the time that diode turn-offs, only have two rectifier diodes can conducting, now, can realize halfwave rectifier.Like this, only need the control signal by changing input switch, just can realize between full-wave rectification and halfwave rectifier and switching, both reduced use and the complexity of components and parts, improved again the reliability of rectifier.
In addition, according to the rectifier of the utility model above-described embodiment, can also there is following additional technical characterictic:
According to an embodiment of the present utility model, described input comprises: first input end, and the negative pole of the positive pole of described the first rectifier diode and described the second rectifier diode is connected to described first input end; The second input, the positive pole of the negative pole of described the 3rd rectifier diode and described the 4th rectifier diode is connected to described the second input.
According to an embodiment of the present utility model, also comprise: the first output, the positive pole of the positive pole of described the second rectifier diode and described the 3rd rectifier diode is also connected to described the first output; The second output, the negative pole of the negative pole of described the 4th rectifier diode and described the first rectifier diode is also connected to described the second output.
According to an embodiment of the present utility model, described first input end is connected to one end of described AC power, and the second input is connected to the other end of described AC power.
According to an embodiment of the present utility model, described the first output and described the second output are connected to load.
According to an embodiment of the present utility model, rectifier also comprises: plastic shell, is arranged on outside described rectifier diode group and described switch, for the protection of described rectifier diode group and described switch.
According to an embodiment of the present utility model, rectifier also comprises: five pad pins, be arranged on outside described plastic shell, wherein, the first pad pin in described five pad pins is connected to described the first output, and the second pad pin is connected to described the second output, and the 3rd pad pin is connected to described first input end, the 4th pad pin is connected to described the second input, and the 5th pad pin is connected to the control end of described switch.
According to the rectifier of embodiment of the present utility model, rectifier diode and switch are placed in plastic shell, and be connected with each end by pad pin, thereby composition rectifier, like this, had both reduced the complexity of components and parts in rectifier, realize again the integrated of circuit, be convenient to manufacture, and by the switching between switch control full-wave rectification and halfwave rectifier, reliability is higher.
According to an embodiment of the present utility model, described switch comprises relay and/or controllable silicon.
According to the rectifier of the utility model embodiment, switch can adopt the electronic switch such as relay, controllable silicon, but it will be appreciated by those skilled in the art that switch includes, but are not limited to relay and controllable silicon.
According to the embodiment of second aspect of the present utility model, a kind of rectification circuit has also been proposed, comprising: the rectifier as described in any one in technique scheme; And controller, be connected to the control end of switch in described rectifier, control conducting or the shutoff of described switch, so that described rectifier is realized full-wave rectification or halfwave rectifier.
According to the rectifier of embodiment of the present utility model, between rectifier diode, add switch, like this, can control the conducting quantity of rectifier diode by the turn-on and turn-off of control switch, in the time of switch conduction, four whole conductings of rectifier diode, now, can realize full-wave rectification, in the time that diode turn-offs, only have two rectifier diodes can conducting, now, can realize halfwave rectifier.Like this, only need the control signal by changing input switch, just can realize between full-wave rectification and halfwave rectifier and switching, both reduced use and the complexity of components and parts, improved again the reliability of rectifier.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 shows the internal structure schematic diagram of rectifier in correlation technique;
Fig. 2 shows according to the structural representation of the rectifier of an embodiment of the present utility model;
Fig. 3 shows according to the structural representation of the rectifier of another embodiment of the present utility model;
Fig. 4 shows according to the structural representation of the rectification circuit of embodiment of the present utility model.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection range of the present utility model is not subject to the restriction of following public specific embodiment.
Fig. 2 shows according to the structural representation of the rectifier of an embodiment of the present utility model.
As shown in Figure 2, according to embodiment rectifier 200 of the present utility model, comprise: rectifier diode group, comprise four rectifier diodes, described four rectifier diodes are connected in series, wherein, the positive pole of the first rectifier diode 2022 is connected to the negative pole of the second rectifier diode 2024, the positive pole of the second rectifier diode 2024 is connected to the positive pole of the 3rd rectifier diode 2026, the negative pole of the 3rd rectifier diode 2026 is connected to the positive pole of the 4th rectifier diode 2028, the negative pole of described the 4th rectifier diode 2028 is connected to the negative pole of described the first rectifier diode 2022, input 206, is connected to AC power and described rectifier diode group, for described rectifier diode group, the alternating current of AC power output is carried out to rectification, switch 204, is connected in described rectifier diode group between any two adjacent rectifier diodes, and in the time of described switch conduction, described rectifier diode group is carried out full-wave rectification, and in the time that described switch turn-offs, described rectifier diode group is carried out halfwave rectifier.Wherein, in figure, be connected between the first rectifier diode 2022 and the second rectifier diode 2024 as example taking switch.Particularly, switch can also be connected between the first rectifier diode 2022 and the 4th rectifier diode 2028, or be connected between the second rectifier diode 2024 and the 3rd rectifier diode 2026, or be connected to (not shown) between the 3rd rectifier diode 2026 and the 4th rectifier diode 2028.
According to the rectifier of the utility model embodiment, between rectifier diode, add switch, like this, can control the conducting quantity of rectifier diode by the turn-on and turn-off of control switch, in the time of switch conduction, four whole conductings of rectifier diode, now, can realize full-wave rectification, in the time that diode turn-offs, only have two rectifier diodes can conducting, now, can realize halfwave rectifier.Like this, only need the control signal by changing input switch, just can realize between full-wave rectification and halfwave rectifier and switching, both reduced use and the complexity of components and parts, improved again the reliability of rectifier.
In addition, according to the rectifier of the utility model above-described embodiment, can also there is following additional technical characterictic:
According to an embodiment of the present utility model, described input 206 comprises: first input end 2062, and the negative pole of the positive pole of described the first rectifier diode 2022 and described the second rectifier diode 2024 is connected to described first input end 2062; The second input 2064, the positive pole of the negative pole of described the 3rd rectifier diode 2026 and described the 4th rectifier diode 2028 is connected to described the second input 2064.
According to an embodiment of the present utility model, also comprise: the first output 210, the positive pole of the positive pole of described the second rectifier diode 2024 and described the 3rd rectifier diode 2026 is also connected to described the first output 210; The second output 212, the negative pole of the negative pole of described the 4th rectifier diode 2028 and described the first rectifier diode 2022 is also connected to described the second output 212.
According to an embodiment of the present utility model, described first input end 2062 is connected to one end of described AC power, and the second input 2064 is connected to the other end of described AC power.
According to an embodiment of the present utility model, described the first output 210 and described the second output 212 are connected to load.
According to an embodiment of the present utility model, described switch 204 comprises relay and/or controllable silicon.
According to the rectifier of the utility model embodiment, switch can adopt the electronic switch such as relay, controllable silicon, but it will be appreciated by those skilled in the art that switch includes, but are not limited to relay and controllable silicon.
Fig. 3 shows according to the structural representation of the rectifier of another embodiment of the present utility model.
As shown in Figure 3, according to the rectifier 300 of another embodiment of the present utility model, comprising: the rectifier 200 as described in any one in technique scheme; And plastic shell 302, be arranged on outside described rectifier diode group and described switch 204, for the protection of described rectifier diode group and described switch 204.
According to an embodiment of the present utility model, rectifier 300 also comprises: five pad pins, be arranged on outside described plastic shell, wherein, the first pad pin 304A in described five pad pins is connected to the first output 210, the second pad pin 304B and is connected to the second output 212, the three pad pin 304C and is connected to first input end 2062, the 4th pad pin 304D is connected to the second input 2064, the five pad pin 304E and is connected to the control end of switch 204.
According to the rectifier of embodiment of the present utility model, rectifier is placed in plastic shell, and be connected with each end in rectifier by pad pin, thereby composition rectifier, like this, had both reduced the complexity of components and parts in rectifier, realize again the integrated of circuit, be convenient to manufacture, and by the switching between switch control full-wave rectification and halfwave rectifier, reliability is higher.
Fig. 4 shows according to the structural representation of the rectification circuit of embodiment of the present utility model.
As shown in Figure 4, according to the rectification circuit 400 of embodiment of the present utility model, comprising: the rectifier as described in any one in technique scheme; And controller 402, be connected to the control end of switch 204 in described rectifier, control conducting or the shutoff of described switch 204, so that described rectifier is realized full-wave rectification or halfwave rectifier.
According to the rectifier of embodiment of the present utility model, between rectifier diode, add switch, like this, can control the conducting quantity of rectifier diode by the turn-on and turn-off of control switch, in the time of switch conduction, four whole conductings of rectifier diode, now, can realize full-wave rectification, in the time that diode turn-offs, only have two rectifier diodes can conducting, now, can realize halfwave rectifier.Like this, only need the control signal by changing input switch, just can realize between full-wave rectification and halfwave rectifier and switching, both reduced use and the complexity of components and parts, improved again the reliability of rectifier.
Below by reference to the accompanying drawings, describe the technical solution of the utility model in detail, pass through the technical solution of the utility model, both reduced the complexity of components and parts in rectifier, realize again the integrated of circuit, be convenient to manufacture, and by the switching between switch control full-wave rectification and halfwave rectifier, reliability is higher.
In the utility model, term " first ", " second ", " the 3rd ", " the 4th " only object for describing, and can not be interpreted as instruction or hint relative importance; Term " is connected ", " connection " etc. all should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. a rectifier, is characterized in that, comprising:
Rectifier diode group, comprise four rectifier diodes, described four rectifier diodes are connected in series, wherein, the positive pole of the first rectifier diode is connected to the negative pole of the second rectifier diode, the positive pole of the second rectifier diode is connected to the positive pole of the 3rd rectifier diode, and the negative pole of the 3rd rectifier diode is connected to the positive pole of the 4th rectifier diode, and the negative pole of described the 4th rectifier diode is connected to the negative pole of described the first rectifier diode;
Input, is connected to AC power and described rectifier diode group, for described rectifier diode group, the alternating current of AC power output is carried out to rectification;
Switch, is connected in described rectifier diode group between any two adjacent rectifier diodes, and in the time of described switch conduction, described rectifier diode group is carried out full-wave rectification, and in the time that described switch turn-offs, described rectifier diode group is carried out halfwave rectifier.
2. rectifier according to claim 1, is characterized in that, described input comprises:
First input end, the negative pole of the positive pole of described the first rectifier diode and described the second rectifier diode is connected to described first input end;
The second input, the positive pole of the negative pole of described the 3rd rectifier diode and described the 4th rectifier diode is connected to described the second input.
3. rectifier according to claim 2, is characterized in that, also comprises:
The first output, the positive pole of the positive pole of described the second rectifier diode and described the 3rd rectifier diode is also connected to described the first output;
The second output, the negative pole of the negative pole of described the 4th rectifier diode and described the first rectifier diode is also connected to described the second output.
4. rectifier according to claim 3, is characterized in that, described first input end is connected to one end of described AC power, and the second input is connected to the other end of described AC power.
5. rectifier according to claim 3, is characterized in that, described the first output and described the second output are connected to load.
6. rectifier according to claim 3, is characterized in that, also comprises:
Plastic shell, is arranged on outside described rectifier diode group and described switch, for the protection of described rectifier diode group and described switch.
7. rectifier according to claim 6, is characterized in that, also comprises:
Five pad pins, be arranged on outside described plastic shell, wherein, the first pad pin in described five pad pins is connected to described the first output, the second pad pin is connected to described the second output, the 3rd pad pin is connected to described first input end, and the 4th pad pin is connected to described the second input, and the 5th pad pin is connected to the control end of described switch.
8. according to the rectifier described in any one in claim 1 to 7, it is characterized in that, described switch comprises relay and/or controllable silicon.
9. a rectification circuit, is characterized in that, comprising:
Rectifier as described in any one in claim 1 to 8; And
Controller, is connected to the control end of switch in described rectifier, controls conducting or the shutoff of described switch, so that described rectifier is realized full-wave rectification or halfwave rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059751.6U CN203775057U (en) | 2014-02-08 | 2014-02-08 | Rectifier and rectification circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059751.6U CN203775057U (en) | 2014-02-08 | 2014-02-08 | Rectifier and rectification circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203775057U true CN203775057U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420059751.6U Expired - Lifetime CN203775057U (en) | 2014-02-08 | 2014-02-08 | Rectifier and rectification circuit |
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| CN (1) | CN203775057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018009916A (en) * | 2016-07-15 | 2018-01-18 | セイコーエプソン株式会社 | Rectification circuit, driving circuit, physical quantity detection device, electronic apparatus, and movable body |
| CN107820341A (en) * | 2017-10-16 | 2018-03-20 | 赵玉奎 | Realize the circuit of IH electromagnetism laser heatings |
-
2014
- 2014-02-08 CN CN201420059751.6U patent/CN203775057U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018009916A (en) * | 2016-07-15 | 2018-01-18 | セイコーエプソン株式会社 | Rectification circuit, driving circuit, physical quantity detection device, electronic apparatus, and movable body |
| CN107820341A (en) * | 2017-10-16 | 2018-03-20 | 赵玉奎 | Realize the circuit of IH electromagnetism laser heatings |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
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| CX01 | Expiry of patent term |