CN203522563U - Device and system for pulse isolation - Google Patents
Device and system for pulse isolation Download PDFInfo
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- CN203522563U CN203522563U CN201320423226.3U CN201320423226U CN203522563U CN 203522563 U CN203522563 U CN 203522563U CN 201320423226 U CN201320423226 U CN 201320423226U CN 203522563 U CN203522563 U CN 203522563U
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Abstract
The utility model discloses a device and a system for pulse isolation. The device for pulse isolation comprises a first pulse input circuit, a second pulse input circuit, a pulse isolation circuit and a pulse output circuit, wherein a first output end of the first pulse input circuit is connected with a first output end of the pulse isolation circuit; a second output end of the first pulse input circuit is connected with a second input end of the pulse isolation circuit; a first output end of the second pulse input circuit is connected with a third input end of the pulse isolation circuit, and a second output end of the second pulse input circuit is connected with a fourth input end of the pulse isolation circuit; a first output end of the pulse isolation circuit is connected with a first input end of the pulse output circuit, and a second output end of the pulse isolation circuit is connected with a second input end of the pulse output circuit. The device disclosed by the utility model can carry out isolation on a pulse distributor and a thyristor rectifier which operate in a high voltage area and dual controllers operating in a low voltage area, thereby being capable of avoiding the dual controllers from being burned out.
Description
Technical field
The utility model relates to the field of silicon controlled rectifier, particularly impulsive quarantine Apparatus and system.
Background technology
In rectification industry, in order to improve the reliability of rectification, generally adopt dual controller to control silicon controlled rectifier.In practical work process, the control impuls instruction that dual controller sends is sent to silicon controlled rectifier by trigger impulse distributor.Because silicon controlled rectifier and trigger impulse distributor are operated in high voltage region, and dual controller is operated in low-voltage area.Simultaneously, dual controller is directly connected with silicon controlled rectifier by trigger impulse distributor again, therefore, when trigger impulse distributor or silicon controlled rectifier break down while causing that voltage raises, the operating voltage rising that very easily causes dual controller exceeds its voltage tolerance range, and then causes dual controller to burn out.
Utility model content
In view of this, the purpose of this utility model is to provide impulsive quarantine Apparatus and system, to avoid causing that because trigger impulse distributor or silicon controlled rectifier break down voltage raises, and burns out dual controller.
For achieving the above object, the utility model embodiment provides following technical scheme:
An impulsive quarantine device, comprises the first pulse input circuit, the second pulse input circuit, impulsive quarantine circuit and impulse output circuit;
The first output of described the first pulse input circuit is connected with the first input end of described impulsive quarantine circuit, and the second output of described the first pulse input circuit is connected with the second input of described impulsive quarantine circuit;
The first output of described the second pulse input circuit is connected with the 3rd input of described impulsive quarantine circuit, and the second output of described the second pulse input circuit is connected with the four-input terminal of described impulsive quarantine circuit;
The first output of described impulsive quarantine circuit is connected with the first input end of described impulse output circuit, and the second output of described impulsive quarantine circuit is connected with the second input of described impulse output circuit.
Preferably, described the first pulse input circuit comprises the first diode, light-emitting diode, the first resistance R 1 and the second resistance R 2;
Described the first resistance R 1 comprises first end and the second end; Described the second resistance R 2 comprises first end and the second end;
Wherein, the negative electrode of described the first diode is as the first input end of described the first pulse input circuit, the first end of described the first resistance R 1 is as the second input of described pulse input circuit, the negative electrode of described light-emitting diode is as the first output of described the first pulse input circuit, and the first end of described the second resistance R 2 is as the second output of described pulse input circuit;
The negative electrode of described the first diode is connected with the negative electrode of described light-emitting diode, and the anode of described the first diode is connected with the second end of described the first resistance R 1;
The first end of described the first resistance R 1 is connected with the first end of described the second resistance R 2;
The anode of described light-emitting diode is connected with the second end of described the second resistance R 2.
Preferably, described the second pulse input circuit comprises the second diode and the 3rd resistance R 3;
Described the 3rd resistance R 3 comprises first end and the second end;
Wherein, the negative electrode of described the second diode is as the first input end of described the second pulse input circuit and the first output of described the second pulse input circuit, and the first end of described the 3rd resistance R 3 is as the second input of described the second pulse input circuit and the second output of described the second pulse input circuit;
The anode of described the second diode is connected with the second end of described the 3rd resistance R 3.
Preferably, described impulsive quarantine circuit comprises the first primary coil, the second primary coil, secondary coil and high-frequency core;
Described the first primary coil comprises first end and the second end; Described the second primary coil comprises first end and the second end; Described secondary coil comprises first end and the second end;
Wherein, the first end of described the first primary coil, as the first input end of described impulsive quarantine circuit, is connected with the negative electrode of described light-emitting diode;
The second end of described the first primary coil, as the second input of described impulsive quarantine circuit, is connected with the first end of described the second resistance R 2;
The first end of described the second primary coil, as the 3rd input of described impulsive quarantine circuit, is connected with the negative electrode of described the second diode;
The second end of described the second primary coil, as the four-input terminal of described impulsive quarantine circuit, is connected with the first end of described the 3rd resistance R 3;
The first end of described secondary coil is as the first output of described impulsive quarantine circuit, and the second end of described secondary coil is as the second output of described impulsive quarantine circuit;
Described the first primary coil, the second primary coil and secondary coil are all wound on described high-frequency core.
Preferably, the turn ratio of described the first primary coil and described secondary coil is 120:110, and the turn ratio of described the second primary coil and described secondary coil is 120:110;
Described the first primary coil, the second primary coil and secondary coil all adopt same post two-wire homophase coiling.
Preferably, described high-frequency core is the silicon steel sheet of 0.23mm, 23ZH100.
Preferably, described impulse output circuit comprises the 3rd diode, capacitor C and the 4th resistance R 4;
Described the 4th resistance R 4 comprises first end and the second end; Capacitor C comprises first end and the second end;
Wherein, the anode of described the 3rd diode, as the first input end of described impulse output circuit, is connected with the first end of described secondary coil;
The first end of described capacitor C, as the second input of described impulse output circuit, is connected with the first end of described the 4th resistance R 4 with the second end of described secondary coil respectively;
The second end of described capacitor C is connected with the second end of described the 4th resistance R 4 with the negative electrode of described the 3rd diode respectively;
The second end of described the 4th resistance R 4 is as the first output of described impulse output circuit, and the first end of described the 4th resistance R 4 is as the second output of described impulse output circuit.
Preferably, described the first diode, the second diode and the 3rd diode are the diode of 4007 models.
Preferably, the resistance of described the first resistance R 1 and the 3rd resistance R 3 is 100 Ω, and rated power is 3W;
The resistance of described the second resistance R 2 is 1K Ω;
The resistance of described the 4th resistance R 4 is 200 Ω, and rated power is 2W;
The capacitance of described capacitor C is 104 μ F.
An impulsive quarantine system, comprises dual controller, pulsqe distributor and the impulsive quarantine device as described in claim 1-9 any one;
Wherein, described dual controller comprises the first controller and second controller;
Described the first controller comprises positive pulse output and negative pulse output;
Second controller comprises positive pulse output and negative pulse output;
Described pulsqe distributor comprises positive pulse input and negative pulse input;
Wherein, the first input end of described the first pulse input circuit is connected with the positive pulse output of described the first controller, and the second input of described the first pulse input circuit is connected with the negative pulse output of described the first controller;
The first input end of described the second pulse input circuit is connected with the positive pulse output of described second controller, and the second input of described the second pulse input circuit is connected with the negative pulse output of described second controller;
The first output of described impulse output circuit is connected with the positive pulse input of described pulsqe distributor, and the second output of described impulse output circuit is connected with the negative pulse input of described pulsqe distributor.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The impulsive quarantine apparatus module figure that Fig. 1 provides for the utility model embodiment;
The circuit diagram of the impulsive quarantine device that Fig. 2 provides for the utility model embodiment;
The module map of the impulsive quarantine system that Fig. 3 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the present embodiment part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the present utility model.
The utility model discloses a kind of structure of impulsive quarantine device, as shown in Figure 1, this device comprises the first pulse input circuit 11, the second pulse input circuit 12, impulsive quarantine circuit 13 and impulse output circuit 14;
Wherein, the first output of the first pulse input circuit 11 is connected with the first input end of impulsive quarantine circuit 13, and the second output of the first pulse input circuit 11 is connected with the second input of impulsive quarantine circuit 13;
Concrete, as shown in Figure 2, the first pulse input circuit 11 comprises the first diode 21, light-emitting diode 22, the first resistance R 1(23) and the second resistance R 2(24);
Wherein, the negative electrode of the first diode 21 is as the first input end of the first pulse input circuit 11, the first resistance R 1(23) first end is as the second input of pulse input circuit 11, the negative electrode of light-emitting diode (22) is as the first output of the first pulse input circuit, the second resistance R 2(24) first end as the second output of pulse input circuit 11;
The negative electrode of the first diode 21 is connected with the negative electrode of light-emitting diode 22, the anode of the first diode 21 and the first resistance R 1(23) the second end be connected;
The first resistance R 1(23) first end and the second resistance R 2(24) first end be connected;
The anode of light-emitting diode 22 is connected with the second end of the second resistance R 2 (24).
More specifically, the first diode 21 is the diode of 4007 models, the first resistance R 1(23) resistance be 100 Ω, rated power is 3W; The second resistance R 2(24) resistance is 1K Ω;
The first output of the second pulse input circuit 12 is connected with the 3rd input of impulsive quarantine circuit 13, and the second output of the second pulse input circuit 12 is connected with the four-input terminal of impulsive quarantine circuit 13;
Concrete, still referring to Fig. 2, the second pulse input circuit 12 can comprise the second diode 25 and the 3rd resistance R 3 (26);
Wherein, the negative electrode of the second diode 25 is as the first input end of the second pulse input circuit 12 and the first output of the second pulse input circuit 12, the 3rd resistance R 3(26) first end as the second input of the second pulse input circuit 12 and the second output of the second pulse input circuit 12;
The anode of the second diode 25 and the 3rd resistance R 3(26) the second end be connected;
More specifically, the second diode 25 is the diode of 4007 models; The resistance of the 3rd resistance R 3 (26) is 100 Ω, and rated power is 3W;
The first output of impulsive quarantine circuit 13 is connected with the first input end of impulse output circuit 14, and the second output of impulsive quarantine circuit 13 is connected with the second input of impulse output circuit 14.
Concrete, impulsive quarantine circuit 13 comprises the first primary coil 27, the second primary coil 28, secondary coil 29 and high-frequency core 30;
Wherein, the first end of the first primary coil 27, as the first input end of impulsive quarantine circuit 13, is connected with the negative electrode of light-emitting diode 22;
The second end of the first primary coil 27 is as the second input of impulsive quarantine circuit 13, with the second resistance R 2(24) first end be connected;
The first end of the second primary coil 28, as the 3rd input of impulsive quarantine circuit 13, is connected with the negative electrode of the second diode 25;
The second end of the second primary coil 28 is as the four-input terminal of impulsive quarantine circuit 13, with the 3rd resistance R 3(26) first end be connected;
The first end of secondary coil 29 is as the first output of impulsive quarantine circuit 13, and the second end of secondary coil 29 is as the second output of impulsive quarantine circuit 13;
And the first primary coil 27, the second primary coil 28 and the equal kinking of secondary coil 29 are on high-frequency core 30.
Concrete, impulse output circuit 14 comprises the 3rd diode 31, capacitor C (32) and the 4th resistance R 4 (33);
Wherein, the anode of the 3rd diode 31, as the first input end of impulse output circuit 14, is connected with the first end of secondary coil 29;
The first end of capacitor C (32), as the second input of impulse output circuit 14, is connected with the first end of the 4th resistance R 4 (33) with the second end of secondary coil 29 respectively;
The second end of capacitor C (32) is connected with the second end of the 4th resistance R 4 (33) with the negative electrode of the 3rd diode 31 respectively;
The 4th resistance R 4(33) the second end is as the first output of impulse output circuit 14, the 4th resistance R 4(33) first end as the second output of impulse output circuit 14.
More specifically, the first primary coil 27 is 120:110 with the turn ratio of secondary coil 29, the second primary coil 28 is 120:110 with the turn ratio of secondary coil 29, high frequency core 30 is the silicon steel sheet of 0.23mm, 23ZH1001, and the first primary coil 27, the second primary coil 28 and secondary coil 29 all adopt same post two-wire homophase coiling; Can solve the problem that pulse symmetry is poor and driving force is weak; The 3rd diode 31 is the diode of 4007 models, and the capacitance of capacitor C (32) is 104 μ F, the 4th resistance R 4(33) resistance be 200 Ω, rated power is 2W.
Therefore, in use, can be by the first input end of the first pulse input circuit 11, be connected with the positive pulse output of a controller (can be described as the first controller) in dual controller, the second input of the first pulse input circuit 11 is connected with the negative pulse output of the first controller.The first input end of the second pulse input circuit 12 is connected with the positive pulse output of another controller (can be described as second controller) in dual controller, and the second input of the second pulse input circuit 12 is connected with the negative pulse output of second controller.The first output of impulse output circuit 14 is connected with the positive pulse input of pulsqe distributor, and its second output is connected with the negative pulse input of pulsqe distributor.As can be seen here, impulsive quarantine device of the present utility model the dual controller that is operated in the pulsqe distributor of high voltage region and silicon controlled rectifier and is operated in low-voltage area can be carried out every.Meanwhile, because the utility model adopts two-way pulse input, be respectively the first pulse input circuit 11 and the second pulse input circuit 12, can solve the standby problem of dual controller, performance is high, high sexual valence warp, and anti-dry anti-ability is strong, simple in structure, driving force is strong, and cost is low and maintenance is easy.
The invention also discloses a kind of structure of impulsive quarantine system, as shown in Figure 3, comprise dual controller 41, pulsqe distributor 42 and impulsive quarantine device 43 as above;
Wherein, dual controller 41 comprises the first controller 411 and second controller 412;
Concrete, the first controller 411 comprises positive pulse output and negative pulse output; Second controller 412 comprises positive pulse output and negative pulse output; Pulsqe distributor 42 comprises positive pulse input and negative pulse input;
More specifically, the first input end of the first pulse input circuit 11 is connected with the positive pulse output of the first controller 411, and the second input of the first pulse input circuit 11 is connected with the negative pulse output of the first controller 411;
The first input end of the second pulse input circuit 12 is connected with the positive pulse output of second controller 412, and the second input of the second pulse input circuit 12 is connected with the negative pulse output of second controller 412;
The first output of impulse output circuit 14 is connected with the positive pulse input of pulsqe distributor 42, and the second output of impulse output circuit 14 is connected with the negative pulse input of pulsqe distributor 42.
Therefore, in use, can be by the first input end of the first pulse input circuit 11, be connected with the positive pulse output of a controller (can be described as the first controller 411) in dual controller, the second input of the first pulse input circuit 11 is connected with the negative pulse output of the first controller 411.The first input end of the second pulse input circuit 12 is connected with the positive pulse output of another controller (can be described as second controller 412) in dual controller, and the second input of the second pulse input circuit 12 is connected with the negative pulse output of second controller 412.The first output of impulse output circuit 14 is connected with the positive pulse input of pulsqe distributor 42, and its second output is connected with the negative pulse input of pulsqe distributor 42.As can be seen here, impulsive quarantine device of the present utility model can be isolated the pulsqe distributor 42 and the silicon controlled rectifier that are operated in high voltage region with the dual controller 41 that is operated in low-voltage area.
It should be noted that, impulsive quarantine circuit 13 can receive the pulse signal that dual controller 41 sends by the first pulse input circuit 11 or the second pulse input circuit 12, play impedance matching effect, reduce pulse voltage amplitude and increase output current, better trigger thyristor.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. an impulsive quarantine device, is characterized in that, comprises the first pulse input circuit, the second pulse input circuit, impulsive quarantine circuit and impulse output circuit;
The first output of described the first pulse input circuit is connected with the first input end of described impulsive quarantine circuit, and the second output of described the first pulse input circuit is connected with the second input of described impulsive quarantine circuit;
The first output of described the second pulse input circuit is connected with the 3rd input of described impulsive quarantine circuit, and the second output of described the second pulse input circuit is connected with the four-input terminal of described impulsive quarantine circuit;
The first output of described impulsive quarantine circuit is connected with the first input end of described impulse output circuit, and the second output of described impulsive quarantine circuit is connected with the second input of described impulse output circuit.
2. device according to claim 1, is characterized in that, described the first pulse input circuit comprises the first diode, light-emitting diode, the first resistance R 1 and the second resistance R 2;
Described the first resistance R 1 comprises first end and the second end; Described the second resistance R 2 comprises first end and the second end;
Wherein, the negative electrode of described the first diode is as the first input end of described the first pulse input circuit, the first end of described the first resistance R 1 is as the second input of described pulse input circuit, the negative electrode of described light-emitting diode is as the first output of described the first pulse input circuit, and the first end of described the second resistance R 2 is as the second output of described pulse input circuit;
The negative electrode of described the first diode is connected with the negative electrode of described light-emitting diode, and the anode of described the first diode is connected with the second end of described the first resistance R 1;
The first end of described the first resistance R 1 is connected with the first end of described the second resistance R 2;
The anode of described light-emitting diode is connected with the second end of described the second resistance R 2.
3. device according to claim 2, is characterized in that, described the second pulse input circuit comprises the second diode and the 3rd resistance R 3;
Described the 3rd resistance R 3 comprises first end and the second end;
Wherein, the negative electrode of described the second diode is as the first input end of described the second pulse input circuit and the first output of described the second pulse input circuit, and the first end of described the 3rd resistance R 3 is as the second input of described the second pulse input circuit and the second output of described the second pulse input circuit;
The anode of described the second diode is connected with the second end of described the 3rd resistance R 3.
4. device according to claim 3, is characterized in that, described impulsive quarantine circuit comprises the first primary coil, the second primary coil, secondary coil and high-frequency core;
Described the first primary coil comprises first end and the second end; Described the second primary coil comprises first end and the second end; Described secondary coil comprises first end and the second end;
Wherein, the first end of described the first primary coil, as the first input end of described impulsive quarantine circuit, is connected with the negative electrode of described light-emitting diode;
The second end of described the first primary coil, as the second input of described impulsive quarantine circuit, is connected with the first end of described the second resistance R 2;
The first end of described the second primary coil, as the 3rd input of described impulsive quarantine circuit, is connected with the negative electrode of described the second diode;
The second end of described the second primary coil, as the four-input terminal of described impulsive quarantine circuit, is connected with the first end of described the 3rd resistance R 3;
The first end of described secondary coil is as the first output of described impulsive quarantine circuit, and the second end of described secondary coil is as the second output of described impulsive quarantine circuit;
Described the first primary coil, the second primary coil and secondary coil are all wound on described high-frequency core.
5. device according to claim 4, is characterized in that, the turn ratio of described the first primary coil and described secondary coil is 120:110, and the turn ratio of described the second primary coil and described secondary coil is 120:110;
Described the first primary coil, the second primary coil and secondary coil all adopt same post two-wire homophase coiling.
6. device according to claim 5, is characterized in that, described high-frequency core is the silicon steel sheet of 0.23mm, 23ZH100.
7. device according to claim 6, is characterized in that, described impulse output circuit comprises the 3rd diode, capacitor C and the 4th resistance R 4;
Described the 4th resistance R 4 comprises first end and the second end; Capacitor C comprises first end and the second end;
Wherein, the anode of described the 3rd diode, as the first input end of described impulse output circuit, is connected with the first end of described secondary coil;
The first end of described capacitor C, as the second input of described impulse output circuit, is connected with the first end of described the 4th resistance R 4 with the second end of described secondary coil respectively;
The second end of described capacitor C is connected with the second end of described the 4th resistance R 4 with the negative electrode of described the 3rd diode respectively;
The second end of described the 4th resistance R 4 is as the first output of described impulse output circuit, and the first end of described the 4th resistance R 4 is as the second output of described impulse output circuit.
8. device according to claim 7, is characterized in that, described the first diode, the second diode and the 3rd diode are the diode of 4007 models.
9. device according to claim 8, is characterized in that, the resistance of described the first resistance R 1 and the 3rd resistance R 3 is 100 Ω, and rated power is 3W;
The resistance of described the second resistance R 2 is 1K Ω;
The resistance of described the 4th resistance R 4 is 200 Ω, and rated power is 2W;
The capacitance of described capacitor C is 104 μ F.
10. an impulsive quarantine system, is characterized in that, comprises dual controller, pulsqe distributor and the impulsive quarantine device as described in claim 1-9 any one;
Wherein, described dual controller comprises the first controller and second controller;
Described the first controller comprises positive pulse output and negative pulse output;
Second controller comprises positive pulse output and negative pulse output;
Described pulsqe distributor comprises positive pulse input and negative pulse input;
Wherein, the first input end of described the first pulse input circuit is connected with the positive pulse output of described the first controller, and the second input of described the first pulse input circuit is connected with the negative pulse output of described the first controller;
The first input end of described the second pulse input circuit is connected with the positive pulse output of described second controller, and the second input of described the second pulse input circuit is connected with the negative pulse output of described second controller;
The first output of described impulse output circuit is connected with the positive pulse input of described pulsqe distributor, and the second output of described impulse output circuit is connected with the negative pulse input of described pulsqe distributor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320423226.3U CN203522563U (en) | 2013-07-16 | 2013-07-16 | Device and system for pulse isolation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320423226.3U CN203522563U (en) | 2013-07-16 | 2013-07-16 | Device and system for pulse isolation |
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| CN203522563U true CN203522563U (en) | 2014-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224930A (en) * | 2021-05-31 | 2021-08-06 | 湖南科瑞变流电气股份有限公司 | Optical pulse power amplifier isolation circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224930A (en) * | 2021-05-31 | 2021-08-06 | 湖南科瑞变流电气股份有限公司 | Optical pulse power amplifier isolation circuit |
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