CN207339268U - One kind starts power supply circuit - Google Patents
One kind starts power supply circuit Download PDFInfo
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- CN207339268U CN207339268U CN201721423302.5U CN201721423302U CN207339268U CN 207339268 U CN207339268 U CN 207339268U CN 201721423302 U CN201721423302 U CN 201721423302U CN 207339268 U CN207339268 U CN 207339268U
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- power supply
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Abstract
The utility model discloses one kind to start power supply circuit, it includes：Multiple power supplys, multiple loads and multiple switch group；First switch group is configured to make the multiple power supply correspond conducting with the not breakdown load of the first quantity respectively, and is disconnected when these breakdown and voltages of load drop to predetermined threshold value；Second switch group is configured to make the Part I power supply in the multiple power supply to be turned on the first breakdown number load；3rd switching group is configured to make Part II power supply in the multiple power supply and the not breakdown load of the second quantity to correspond and turn on, and is disconnected when these breakdown and voltages of load drop to predetermined threshold value；4th switching group is configured to make some or all of power supply and the load conduction of the second breakdown quantity in the Part II power supply.The startup power supply circuit can improve the recycling rate of waterused of power supply, reduce number of power sources, save floor occupying area, so as to reduce equipment cost and operating cost.
Description
Technical field
It the utility model is related to polycrystalline silicon reducing furnace and start power supply technique field, more particularly to a kind of startup power supply circuit.
Background technology
In photovoltaic, electronics, microelectronic industry, polysilicon is its main raw material(s).Polysilicon be using metallic silicon as raw material,
HIGH-PURITY SILICON through a series of physics, chemical reaction purification.Since improvement Siemens process being capable of compatible electronic level and solar energy
The production of level polysilicon, with its technology maturation, is adapted to the features such as industrialization production, is the head that current production of polysilicon generally uses
Technique is selected, which needs large power supply heated constant temperature to control polycrystalline silicon rod.
Polysilicon is equivalent to the very big load group of impedance variations in whole production process, and voltage range becomes from 2000V/m
Change to 10V/m, high electrical breakdown is used in the 2000V/m stages, it is produced current heating to reduce voltage requirements, traditional side
Formula using power supply with loading man-to-man mode (as shown in Figure 1), such as patent CN205527777U, CN205419793U, still
Increasing with the scale of reduction furnace, one-to-one mode required number of power sources of powering is also more and more, and is using
There are rigors to reduction furnace packet while same number power supply.
Utility model content
One of the purpose of this utility model at least that, for how overcoming the above-mentioned problems of the prior art, there is provided
One kind starts power supply circuit, it is possible to increase the recycling rate of waterused of power supply, reduces number of power sources, save floor occupying area, so as to reduce
Equipment cost and operating cost.
To achieve these goals, the technical solution adopted in the utility model includes following aspects.
One kind starts power supply circuit, it includes：Multiple power supplys, multiple loads and multiple switch group；
Wherein, it is connected in series between multiple power supplys, is connected in series between multiple loads, the quantity of load is more than the number of power supply
Amount；Each switching group includes several switches with two terminals, and the first terminal each switched passes through mains side respectively
Draw wiring to be connected with power supply, the Second terminal each switched is drawn wiring by load-side respectively and connected with load；
Part I in the multiple power supply is configured to by the Part I in multiple switch group and multiple loads
Part I turn on to puncture Part I load, the Part II switching group in the multiple switching group is configured to pass through
Switching causes the partial power in Part I power supply to heat Part I load, and in Part I power supply
Another part power supply loads Part II load conduction to puncture the Part II, and by the switching of multiple switching, by institute
State multiple loads all heating.
Preferably, the first switch group in the multiple switching group be configured to make the multiple power supply respectively with the first quantity
Not breakdown load corresponds conducting and applies voltage respectively with the load to the first quantity, and it is breakdown in these loads and
Voltage disconnects when dropping to predetermined threshold value；Second switch group be configured to make Part I power supply in the multiple power supply with
The first breakdown number load is turned on to be heated to it；3rd switching group is configured to make in the multiple power supply
Part II power supply and the not breakdown load of the second quantity, which correspond, to be turned on to apply voltage respectively to the fractional load, and
Disconnected when these breakdown and voltages of load drop to predetermined threshold value；4th switching group is configured to make the Part II
The load conduction of some or all of power supply in power supply and the second breakdown quantity is to heat it.
Preferably, further comprise the 5th switching group, its be configured to make partial power in the Part II power supply with
The not breakdown load conduction of 3rd quantity is to puncture it and be heated.
Preferably, the multiple power supply includes power supply T1~T6, is connected in series and is uniformly arranged between power supply T1~T6
Between extraction wiring a~g；Multiple loads include loading R1~R12, and load R1~R12 is connected in series and is uniformly arranged on extraction
Between wiring 100~112.
Preferably, the first switch group includes 7 switches, its first terminal is respectively by drawing wiring a~g and power supply
T1~T6 connections, Second terminal are connected by drawing wiring 100~112 with load R1~R12 respectively.
Preferably, the second switch group includes 4 switches, its first terminal is not by drawing wiring a~d and power supply T1
~T6 connections, Second terminal are connected by drawing wiring 100,102,104,106 with load R1~R6 respectively.
Preferably, the 3rd switching group includes 4 switches, its first terminal is respectively by drawing wiring d~g and power supply
T4~T6 connections, Second terminal are connected by drawing wiring 106,107,108,109 with load R7~R9 respectively.
Preferably, the 4th switching group includes 2 switches, its first terminal is respectively by drawing wiring d, e and power supply
T4 connections, Second terminal are connected by drawing wiring 106,109 with load R7~R9 respectively.
Preferably, the 5th switching group includes 3 switches, its first terminal is respectively by drawing wiring e, f, g and electricity
Source T5, T6 connection, Second terminal are connected and by drawing wiring 112 with bearing by drawing wiring 109,110 with load R10 respectively
R11 is carried to connect with R12.
Preferably, the load is silicon core.
In conclusion by adopting the above-described technical solution, the utility model at least has the advantages that：
In the startup power supply circuit that the utility model embodiment provides, connected in series with the load, and the load number ratio connected
The quantity of power supply is more, and power supply first gives the corresponding load of power supply individually heating, and then by switching, a power supply is to several negative
Heating is carried, eventually through the switching of multiple switching, the load more than power supply is all heated.With reference to the temperature characterisitic of polysilicon,
Voltage requirements are different after fever, power supply is at utmost reused, increase operation rate, and reduce number of power sources, save occupation of land face
Product, achievees the purpose that to economize on resources.
Brief description of the drawings
Fig. 1 be in the prior art it is a kind of start power supply circuit structure diagram.
Fig. 2 is the structure diagram according to a kind of startup power supply circuit of one embodiment of the utility model.
Embodiment
With reference to the accompanying drawings and embodiments, the utility model is further elaborated, so that the utility model
Object, technical solution and advantage are more clearly understood.It should be appreciated that specific embodiment described herein is only explaining this reality
With new, it is not used to limit the utility model.
Fig. 2 shows a kind of structure diagram of startup power supply circuit according to one embodiment of the utility model.It includes：
Multiple power supplys, multiple loads and multiple switch group；Wherein, it is connected in series between multiple power supplys, the company of series connection between multiple loads
Connect, the quantity of load is more than the quantity of power supply；Each switching group includes several switches with two terminals, each switch
The first terminal be connected respectively by drawing wiring with power supply.
Specifically, multiple power supplys can include power supply T1~T6, be connected in series and be uniformly arranged between power supply T1~T6
Between extraction wiring a~g；Multiple loads include loading R1~R12, and load R1~R12 is connected in series and is uniformly arranged on extraction
Between wiring 100~112.As shown in Fig. 2, power supply T1, which is drawn after wiring a, power supply T1 and power supply T2 are connected in series, draws wiring b,
Power supply T2 and power supply T3 are drawn after being connected in series draws wiring d after wiring c, power supply T3 and power supply string T4 connection connection, power supply T4 and
Power supply T5 draws after being connected in series and wiring f is drawn after wiring e, power supply T5 and power supply T6 are connected in series, and power supply T6 draws wiring g.
R1 is loaded in circuit and draws wiring 100, load R1 draws wiring 101 after connecting with R2, after load R2 connects with R3
Draw wiring 102, load R3 connect with R4 after draw wiring 103, load R4 connect with R5 after extraction wiring 104, load R5 and
Wiring 105 is drawn after R6 series connection, load R6 draws wiring 106 after connecting with R7, load R7 draws wiring 107 after connecting with R8,
Load R8 draws wiring 108 after connecting with R9, load R9 draws wiring 109 after connecting with R10, load R10 draws after connecting with R11
Go out wiring 110, load R11 draws wiring 111 after connecting with R12, load R12 draws wiring 112.
First switch group K1 includes 7 switches, its first terminal (1,3,5,7,9,11,13) is respectively by drawing wiring a
~g is connected with power supply T1~T6, and Second terminal (2,4,6,8,10,12,14) is respectively by drawing wiring 100~112 and load
R1~R12 connections.Specifically, draw wiring a to be connected with first switch group K1 terminals 1, first switch group K1 terminals 2 and lead-out wire
100 connections；Draw wiring b in the circuit to be connected with first switch group K1 terminals 3, first switch group K1 terminals 4 and lead-out wire
101 connections；Draw wiring c in the circuit to be connected with first switch group K1 terminals 5, first switch group K1 terminals 6 and lead-out wire
102 connections；Draw wiring d in the circuit to be connected with first switch group K1 terminals 7, first switch group K1 terminals 8 and lead-out wire
103 connections；Draw wiring e in the circuit to be connected with first switch group K1 terminals 9, first switch group K1 terminals 10 and lead-out wire
104 connections；Draw wiring f in the circuit to be connected with first switch group K1 terminals 11, first switch group K1 terminals 12 are with drawing
Line 105 connects；Draw wiring g in the circuit to be connected with first switch group K1 terminals 13, first switch group K1 terminals 14 are with drawing
Outlet 106 connects.
Second switch group K2 includes 4 switches, its first terminal (1,3,5,7) is not by drawing wiring a~d and power supply T1
~T6 connections, Second terminal (2,4,6,8) are connected by drawing wiring 100,102,104,106 with load R1~R6 respectively.Tool
Body, wiring a is drawn in the circuit and is connected with second switch group K2 terminals 1, second switch group K2 terminals 2 and lead-out wire 100
Connection；Draw wiring b in the circuit to be connected with second switch group K2 terminals 3, second switch group K2 terminals 4 and lead-out wire 102
Connection；Draw wiring c in the circuit to be connected with second switch group K2 terminals 5, second switch group K2 terminals 6 and lead-out wire 104
Connection；Draw wiring d in the circuit to be connected with second switch group K2 terminals 7, second switch group K2 terminals 8 and lead-out wire 106
Connection.
3rd switching group K3 includes 4 switches, its first terminal (1,3,5,7) is respectively by drawing wiring d~g and power supply
T4~T6 connections, Second terminal (2,4,6,8) are connected by drawing wiring 106,107,108,109 with load R7~R9 respectively.
Specifically, wiring d is drawn in the circuit to be connected with the 3rd switching group K3 terminals 1, the 3rd switching group K3 terminals 2 and lead-out wire
106 connections；Draw wiring e in the circuit to be connected with the 3rd switching group K3 terminals 3, the 3rd switching group K3 terminals 4 and lead-out wire
107 connections；Draw wiring f in the circuit to be connected with the 3rd switching group K3 terminals 5, the 3rd switching group K3 terminals 6 and lead-out wire
108 connections；Draw wiring g in the circuit to be connected with the 3rd switching group K3 terminals 7, the 3rd switching group K3 terminals 8 and lead-out wire
109 connections.
4th switching group K4 includes 2 switches, its first terminal point (1,3) is not connected by drawing wiring d, e and power supply T4
Connect, Second terminal (2,4) is connected by drawing wiring 106,109 with load R7~R9 respectively.Wherein, draw and connect in the circuit
Line d is connected with the 4th switching group K4 terminals 1, and the 4th switching group K4 terminals 2 are connected with lead-out wire 106；Draw and connect in the circuit
Line e is connected with the 4th switching group K4 terminals 3, and the 4th switching group K4 terminals 4 are connected with lead-out wire 109.
5th switching group K5 includes 3 switches, its first terminal (1,3,5) is respectively by drawing wiring e, f, g and power supply
T5, T6 are connected, and Second terminal (2,4,6) is connected and by drawing wiring by drawing wiring 109,110 with load R10 respectively
112 are connected with load R11 and R12.Specifically, wiring e is drawn in the circuit to be connected with the 5th switching group K5 terminals 1, the 5th
Switching group K5 terminals 2 are connected with lead-out wire 109；Draw wiring f in the circuit to be connected with the 5th switching group K5 terminals 3, the 5th
Switching group K5 terminals 4 are connected with lead-out wire 110；Draw wiring g in the circuit to be connected with the 5th switching group K5 terminals 5, the 5th
Switching group K5 terminals 6 are connected with lead-out wire 112.
For example, when above-mentioned startup power supply circuit is applied to polycrystalline silicon reducing furnace progress initial heating, the load is silicon
Core.First switch group K1 is closed, and power supply T1 is connected with load R1, and power supply T2 is connected with load R2, and power supply T3 is connected with load R3,
Power supply T4 is connected with load R4, and power supply T5 is connected with load R5, and power supply T6 is connected with load R6, and power supply T1~6 output voltages are straight
R1~6 are loaded to breakdown.
According to polysilicon temp characteristic, voltage can drop to once degree and (such as fall to after load R1~6 are breakdown
10%), electric current then gradually increases to tens of amperes, and the temperature in reduction furnace raises rapidly, and first switch group K1 is disconnected at this time, the
Two switching group K2 are closed, and power supply T1 is connected after connecting with load R1, R2, and power supply T2 is connected after connecting with load R3, R4, power supply T3
Connected after connecting with load R5, R6, load R1~6 are continued to heat by power supply T1~3, and the free time goes out power supply T4~6.
Continue to puncture remaining fractional load, the 3rd switching group K3 closures, power supply T4 is connected with load R7, and power supply T5 is with bearing
R8 connections are carried, power supply T6 is connected with load R9, and power supply T4~6, which export, to be started to apply voltage breakdown load R7~9.
According to polysilicon temp characteristic, load R7~9 puncture heating voltage and drop to once degree, and the 3rd switching group K3 breaks
Opening, the 4th switching group K4 closures, power supply T4 is connected after connecting with load R7, R8, R9, and load R7~9 are continued to heat by power supply T4,
Free time goes out power supply T5~6.
Continue to puncture remaining fractional load, the 5th switching group K5 closures, power supply T5 is connected with load R10, power supply T6 and
Connected after load R11, R12 series connection, power supply T5~6, which export, begins to power up pressure breakdown and heating load R10~12.So far it is all
Load is completed preliminary heating.
The detailed description of the above, only the utility model embodiment, rather than the limitation to the utility model.
Those skilled in the technology concerned in the case where not departing from the principle and scope of the utility model, the various replacements made,
Modification and improvement should be included within the scope of protection of this utility model.
Claims (10)
1. one kind starts power supply circuit, it is characterised in that including：Multiple power supplys, multiple loads and multiple switch group；
Wherein, it is connected in series between multiple power supplys, is connected in series between multiple loads, the quantity of load is more than the quantity of power supply；
Each switching group includes several switches with two terminals, and the first terminal each switched is drawn by mains side respectively
Wiring is connected with power supply, and the Second terminal each switched is drawn wiring by load-side respectively and connected with load；
Part I in the multiple power supply is configured to by the in the Part I in multiple switch group and multiple loads
Part conducting is loaded with puncturing the Part I, and the Part II switching group in the multiple switching group is configured to pass through switch
Switching causes the partial power in Part I power supply to heat Part I load, and another in Part I power supply
Partial power loads Part II load conduction to puncture the Part II, and by the switching of multiple switching, will be described more
A load all heating.
2. startup power supply circuit according to claim 1, it is characterised in that the first switch group in the multiple switching group
It is configured to the multiple power supply is corresponded conducting with not breakdown the loading of the first quantity with bearing to the first quantity respectively
Load applies voltage respectively, and is disconnected when these breakdown and voltages of load drop to predetermined threshold value；Second switch assembles
Being set to makes the Part I power supply in the multiple power supply be turned on the first breakdown number load to add to it
Heat；3rd switching group is configured to make Part II power supply in the multiple power supply and the not breakdown load of the second quantity one by one
Corresponding conducting is broken with applying voltage respectively to the fractional load when these breakdown and voltages of load drop to predetermined threshold value
Open connection；4th switching group is configured to make some or all of power supply in the Part II power supply and breakdown the
The load conduction of two quantity is to heat it.
3. startup power supply circuit according to claim 2, it is characterised in that further comprise the 5th switching group, it is configured
To make partial power in the Part II power supply and the not breakdown load conduction of the 3rd quantity puncture simultaneously it
Heating.
4. startup power supply circuit according to claim 3, it is characterised in that the multiple power supply includes power supply T1~T6,
It is connected in series and is uniformly arranged between extraction wiring a~g between power supply T1~T6；Multiple loads include loading R1~R12, bear
R1~R12 is carried to be connected in series and be uniformly arranged between extraction wiring 100~112.
5. startup power supply circuit according to claim 3, it is characterised in that the first switch group includes 7 switches, its
The first terminal is connected by drawing wiring a~g with power supply T1~T6 respectively, and Second terminal is respectively by drawing wiring 100~112
It is connected with load R1~R12.
6. startup power supply circuit according to claim 5, it is characterised in that the second switch group includes 4 switches, its
The first terminal is not connected by drawing wiring a~d with power supply T1~T6, Second terminal respectively by draw wiring 100,102,
104th, 106 it is connected with load R1~R6.
7. startup power supply circuit according to claim 6, it is characterised in that the 3rd switching group includes 4 switches, its
The first terminal is connected by drawing wiring d~g with power supply T4~T6 respectively, Second terminal respectively by draw wiring 106,107,
108th, 109 it is connected with load R7~R9.
8. startup power supply circuit according to claim 7, it is characterised in that the 4th switching group includes 2 switches, its
The first terminal is respectively by drawing wiring d, e and power supply T4 connections, and Second terminal is respectively by drawing wiring 106,109 and load
R7~R9 connections.
9. startup power supply circuit according to claim 8, it is characterised in that the 5th switching group includes 3 switches, its
The first terminal is connected by drawing wiring e, f, g and power supply T5, T6 respectively, and Second terminal is respectively by drawing wiring 109,110
It is connected with load R10 and is connected by drawing wiring 112 with load R11 and R12.
10. startup power supply circuit according to any one of claim 1 to 9, it is characterised in that the load is silicon core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423302.5U CN207339268U (en) | 2017-10-31 | 2017-10-31 | One kind starts power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423302.5U CN207339268U (en) | 2017-10-31 | 2017-10-31 | One kind starts power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339268U true CN207339268U (en) | 2018-05-08 |
Family
ID=62363304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721423302.5U Expired - Fee Related CN207339268U (en) | 2017-10-31 | 2017-10-31 | One kind starts power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339268U (en) |
-
2017
- 2017-10-31 CN CN201721423302.5U patent/CN207339268U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20211031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |