CN206524773U - A kind of rectifier - Google Patents
A kind of rectifier Download PDFInfo
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- CN206524773U CN206524773U CN201720101094.0U CN201720101094U CN206524773U CN 206524773 U CN206524773 U CN 206524773U CN 201720101094 U CN201720101094 U CN 201720101094U CN 206524773 U CN206524773 U CN 206524773U
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Abstract
The utility model is related to power supply adaptor field, especially a kind of rectifier, including housing, control circuit is provided with housing, protection act circuit, detect circuit and main circuit, main circuit includes input filter circuit, current rectifying and wave filtering circuit, inverter circuit and output rectifier and filter, input filter circuit connects accessory power supply and current rectifying and wave filtering circuit respectively, current rectifying and wave filtering circuit connects output rectifier and filter by inverter circuit, output rectifier and filter distinguishes connection detection circuit and control circuit, accessory power supply connects connection control circuit and protection act circuit respectively, control circuit connection inverter circuit.The utility model beneficial effect：The utility model is provided with control circuit, protection act circuit, detection circuit and main circuit, and detection circuit can detect the size of electric current and voltage, and protection circuit prevents rectifier from being damaged because of excessively stream, simple in construction, safe and reliable, while having very strong practicality.
Description
Technical field
The utility model is related to power supply adaptor field, especially a kind of rectifier.
Background technology
With the development of domestic Aluminium Industry, the electrolytic cell of more high current is widely used, 420KA serial electrolytic cell
Become the domestic trend greatly developed at present, along with the development trend of the serial electrolytic cell of this high current, to big work(
Also all the more substantially, with the growth of rectifier design capacity, what rectifier was run can for the demand of rate electrolytic rectifier place capacity
By property, economy it is also proposed that corresponding require.The natural cooling once added to bus and bus contact point of single rectifier power
Ability brings bigger challenge, while also significantly once having added the loss of bus and bus contact point.This be accomplished by bus with
The contact point of bus uses more reasonably design method so that economy obtains a good balance with performance, at the same avoid by
In natural cooling scarce capacity, giving full play to for rectifier capacity is limited, so as to cause transformer to be in uneconomical operation shape
State.
By taking 420KA electrolytic cells as an example, meet electrolysis direct current using six sets of Rectification Power Factors and power, single rectifier output is specified
Electric current 76KA, rectifier bus rod is designed with bridge arm bus tie point using Hard link.During initial stage goes into operation, single whole
In the case that stream device output current reaches 70KA, bus temperature is too high to cause unit tripping, and unit can only be with 50KA output electricity
Stream operation, greatly reduces the service efficiency of transformer and rectifier.Unit is measured to converge during being run with 70KA
Stream bus is up to 100 DEG C or so with bridge arm bus tie point temperature, shuts down measurement bus rod and is contacted with bridge arm bus tie point
Resistance reaches 12 μ Ω.Design requirement is met by calculating busbar cross-section, but rectifier can not be with rated power operation.
Therefore, it is necessary to propose a kind of rectifier for above mentioned problem.
Utility model content
The utility model purpose is to overcome that of the prior art not enough there is provided a kind of rectifier.
In order to solve the above-mentioned technical problem, the utility model is to be achieved through the following technical solutions：
Be provided with a kind of rectifier, including housing, the housing control circuit, protection act circuit, detection circuit and
Main circuit, the main circuit includes input filter circuit, current rectifying and wave filtering circuit, inverter circuit and output rectifier and filter, institute
State input filter circuit and connect accessory power supply and current rectifying and wave filtering circuit respectively, the current rectifying and wave filtering circuit is connected by inverter circuit
Output rectifier and filter, the output rectifier and filter difference connection detection circuit and control circuit, the accessory power supply
Connect connection control circuit and protection act circuit respectively, the control circuit connects inverter circuit.
Preferably, the input filter circuit includes the first inductance, the first electric capacity and the second electric capacity, first inductance
One end is by the first capacity earth, and the other end access civil power of first inductance, one end ground connection of second electric capacity is described
The other end access civil power of second electric capacity.
Preferably, the current rectifying and wave filtering circuit includes bridge diode, the second inductance and the 3rd electric capacity, the pole of bridge-type two
One end of pipe passes through the second inductance and the other end of the 3rd capacitance connection bridge diode respectively.
Preferably, the inverter circuit includes the first triode, the second triode and transformer, first triode
Colelctor electrode connects the colelctor electrode of the second triode, and the emitter stage of first triode connects one end of transformer, described second
The emitter stage of triode connects the other end of transformer.
Preferably, the output rectifier and filter includes the first diode and the second diode, first diode
Connect the second diode.
The utility model beneficial effect：The utility model is provided with control circuit, protection act circuit, detection circuit and master
Circuit, detection circuit can detect the size of electric current and voltage, and protection circuit prevents rectifier from being damaged because of excessively stream, structure letter
It is single, it is safe and reliable, while having very strong practicality.
The technique effect of design of the present utility model, concrete structure and generation is made furtherly below with reference to accompanying drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Brief description of the drawings
It is originally the utility model modular structure schematic diagram that Fig. 1, which is,.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in figure 1, a kind of rectifier, including housing, be provided with the housing control circuit, protection act circuit,
Circuit and main circuit are detected, the main circuit includes input filter circuit, current rectifying and wave filtering circuit, inverter circuit and output rectification filter
Wave circuit, the input filter circuit connects accessory power supply and current rectifying and wave filtering circuit respectively, and the current rectifying and wave filtering circuit passes through inverse
Become circuit connection output rectifier and filter, the output rectifier and filter difference connection detection circuit and control circuit, institute
State accessory power supply and connect connection control circuit and protection act circuit respectively, the control circuit connects inverter circuit.
Preferably, the input filter circuit includes the first inductance, the first electric capacity and the second electric capacity, first inductance
One end is by the first capacity earth, and the other end access civil power of first inductance, one end ground connection of second electric capacity is described
The other end access civil power of second electric capacity.
Preferably, the current rectifying and wave filtering circuit includes bridge diode, the second inductance and the 3rd electric capacity, the pole of bridge-type two
One end of pipe passes through the second inductance and the other end of the 3rd capacitance connection bridge diode respectively.
Preferably, the inverter circuit includes the first triode, the second triode and transformer, first triode
Colelctor electrode connects the colelctor electrode of the second triode, and the emitter stage of first triode connects one end of transformer, described second
The emitter stage of triode connects the other end of transformer.
Preferably, the output rectifier and filter includes the first diode and the second diode, first diode
Connect the second diode.
The utility model is provided with control circuit, protection act circuit, detection circuit and main circuit, and detection circuit can be examined
The size of electric current and voltage is surveyed, protection circuit prevents rectifier from being damaged because of excessively stream, simple in construction, safe and reliable, has simultaneously
Very strong practicality.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member just can make many modifications and variations without creative work according to design of the present utility model.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model in domain
Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.
Claims (5)
1. a kind of rectifier, it is characterised in that：Including housing, control circuit, protection act circuit, inspection are provided with the housing
Slowdown monitoring circuit and main circuit, the main circuit include input filter circuit, current rectifying and wave filtering circuit, inverter circuit and output rectification filter
Circuit, the input filter circuit connects accessory power supply and current rectifying and wave filtering circuit respectively, and the current rectifying and wave filtering circuit passes through inversion
Circuit connects output rectifier and filter, the output rectifier and filter difference connection detection circuit and control circuit, described
Accessory power supply connects connection control circuit and protection act circuit respectively, and the control circuit connects inverter circuit.
2. a kind of rectifier as claimed in claim 1, it is characterised in that：The input filter circuit includes the first inductance, the
One electric capacity and the second electric capacity, one end of first inductance is by the first capacity earth, and the other end of first inductance is accessed
Civil power, one end ground connection of second electric capacity, the other end access civil power of second electric capacity.
3. a kind of rectifier as claimed in claim 1, it is characterised in that：The current rectifying and wave filtering circuit include bridge diode,
Second inductance and the 3rd electric capacity, one end of the bridge diode pass through the second inductance and the pole of the 3rd capacitance connection bridge-type two respectively
The other end of pipe.
4. a kind of rectifier as claimed in claim 1, it is characterised in that：The inverter circuit includes the first triode, second
Triode and transformer, the colelctor electrode of first triode connect the colelctor electrode of the second triode, first triode
Emitter stage connects one end of transformer, and the emitter stage of second triode connects the other end of transformer.
5. a kind of rectifier as claimed in claim 1, it is characterised in that：The output rectifier and filter includes the one or two pole
Pipe and the second diode, first diode connect the second diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101094.0U CN206524773U (en) | 2017-01-24 | 2017-01-24 | A kind of rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101094.0U CN206524773U (en) | 2017-01-24 | 2017-01-24 | A kind of rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206524773U true CN206524773U (en) | 2017-09-26 |
Family
ID=59891122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720101094.0U Active CN206524773U (en) | 2017-01-24 | 2017-01-24 | A kind of rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206524773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994784A (en) * | 2017-12-29 | 2018-05-04 | 重庆希诺达通信有限公司 | A kind of ultrathin high-power ACDC Switching Power Supplies |
-
2017
- 2017-01-24 CN CN201720101094.0U patent/CN206524773U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994784A (en) * | 2017-12-29 | 2018-05-04 | 重庆希诺达通信有限公司 | A kind of ultrathin high-power ACDC Switching Power Supplies |
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