CN105245097A - Constant-current diode and voltage-equalizing resistor parallel connection voltage-dividing DC auxiliary power supply - Google Patents
Constant-current diode and voltage-equalizing resistor parallel connection voltage-dividing DC auxiliary power supply Download PDFInfo
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- CN105245097A CN105245097A CN201510765450.4A CN201510765450A CN105245097A CN 105245097 A CN105245097 A CN 105245097A CN 201510765450 A CN201510765450 A CN 201510765450A CN 105245097 A CN105245097 A CN 105245097A
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Abstract
The invention discloses a constant-current diode and voltage-equalizing resistor parallel connection voltage-dividing DC auxiliary power supply. The DC auxiliary power supply is composed of M constant-current modules and N voltage-stabilization modules which are successively connected in serials, and the head end and the tail end of the DC auxiliary power supply are respectively accessed to a positive end HV+ of a DC power supply input and a negative end HV- of the DC power supply input, wherein M={1, 2,... , i,... , m}, N={1, 2,... , j,... , n}, and m>=n>=1. Furthermore, the principles of determination of the M and the N are in that any one of the constant-current modules is guaranteed to run in a constant-current working voltage scope of the constant-current modules, and any one of the voltage-stabilization modules is guaranteed to run in a voltage-stabilization working voltage scope of the voltage-stabilization modules. The DC auxiliary power supply has the advantages of simple design, reasonable structure, convenient construction and good universality, can overcome insufficient high-voltage adaptability of an existing DC auxiliary power supply, and can also effectively achieve direct conversion of high-voltage and low-voltage DC power supplies.
Description
Technical field
The present invention relates to DC auxiliary supply, more particularly, relate to the DC auxiliary supply of a kind of current regulator diode dividing potential drop in parallel with grading resistor.
Background technology
Current, DC auxiliary supply is used for low-pressure field, and Technical comparing is ripe.But, be limited by the deficiency of the circuit structure withstand voltage properties of device or composition, if directly apply in the middle of high-tension circuit, inherently have that circuit structure complexity, cost of manufacture are high, the defect of poor universality.
Summary of the invention
In view of this, the present invention aims to provide the DC auxiliary supply of a kind of current regulator diode dividing potential drop in parallel with grading resistor, not only can overcome the adaptive deficiency of existing DC auxiliary supply high pressure, and effectively can realize the direct conversion of high-low pressure DC power supply.
In order to realize the object of foregoing invention, the present invention specifically provides the DC auxiliary supply of a kind of current regulator diode dividing potential drop in parallel with grading resistor, it is characterized in that:
Comprise and being composed in series successively by M constant flow module and N number of Voltage stabilizing module, its head end and tail end meet DC power supply anode HV+ and DC power supply negative terminal HV-respectively, wherein, M={1, 2, ..., i, ..., m}, N={1, 2, ..., j, ..., n}, m >=n >=1, namely M constant flow module comprises constant flow module 1, constant flow module 2, ..., constant flow module i, ..., constant flow module m, and N number of Voltage stabilizing module comprises Voltage stabilizing module 1, Voltage stabilizing module 2, ..., Voltage stabilizing module j, ..., Voltage stabilizing module n, because any one described constant flow module has the operating voltage range of a constant current, any one Voltage stabilizing module has the operating voltage range of a voltage stabilizing, therefore M constant flow module and the concrete quantity of N number of Voltage stabilizing module have a dynamic range, namely when design and use, the accumulation voltage difference sum that it produces can not exceed the voltage difference of DC power supply anode HV+ and DC power supply negative terminal HV-.
(1) any one constant flow module i described in comprises constant current input I
in_i, constant current output end I
out_iwith constant-current circuit i, and constant-current circuit i is primarily of current regulator diode D
hi, grading resistor R
hiwith dynamic voltage balancing electric capacity C
hicompose in parallel, current regulator diode D
hianode and grading resistor R in parallel
hiwith dynamic voltage balancing electric capacity C
hione end is connected, current regulator diode D
hinegative electrode and grading resistor R in parallel
hiwith dynamic voltage balancing electric capacity C
hithe other end is connected, constant current input I
in_iwith current regulator diode D
hinegative electrode be connected, constant current output end I
out_iwith current regulator diode D
hianode be connected;
(2) any one Voltage stabilizing module j described in comprises voltage stabilizing input V
in_j, output end of pressure-stabilizing V
out_j, voltage stabilizing place of working D
gnd_jwith voltage stabilizing circuit j, and voltage stabilizing circuit j is made up of the voltage stabilizing circuit of routine, and its input port, output port and place of working port be corresponding described voltage stabilizing input V respectively
in_j, output end of pressure-stabilizing V
out_jwith voltage stabilizing place of working D
gnd_j.
Preferably, the DC auxiliary supply of described a kind of current regulator diode dividing potential drop in parallel with grading resistor is composed in series successively by N number of Voltage stabilizing module and M constant flow module.
Preferably, the DC auxiliary supply of described a kind of current regulator diode dividing potential drop in parallel with grading resistor is by M constant flow module and N number of Voltage stabilizing module is unordered is composed in series.
The invention has the beneficial effects as follows, the DC auxiliary supply of a kind of current regulator diode dividing potential drop in parallel with grading resistor is provided, simplicity of design, rational in infrastructure, build convenient, versatility is good, not only can overcome the adaptive deficiency of existing DC auxiliary supply high pressure, and effectively can realize the conversion of high-low pressure DC power supply.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme, be briefly described to the required accompanying drawing used in embodiment or technical scheme description below, apparently, accompanying drawing in the following describes is only the explanation formed compared with exemplary embodiments or circuit structure of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of canonical schema of DC auxiliary supply of a kind of current regulator diode of the present invention dividing potential drop in parallel with grading resistor.
Fig. 2 is the another kind of canonical schema of DC auxiliary supply of a kind of current regulator diode of the present invention dividing potential drop in parallel with grading resistor.
Fig. 3 is another canonical schema of DC auxiliary supply of a kind of current regulator diode of the present invention dividing potential drop in parallel with grading resistor.
Fig. 4 is the DC auxiliary supply specific embodiment schematic diagram of a kind of current regulator diode of the present invention dividing potential drop in parallel with grading resistor.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technology of the present invention composition, technical scheme and embodiment are clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments obtained under creative work prerequisite, belong to the scope of protection of the invention.
Now the present invention is further described with embodiment by reference to the accompanying drawings.
As shown in Figure 1, be a kind of canonical schema of DC auxiliary supply of a kind of current regulator diode of the present invention dividing potential drop in parallel with grading resistor, it is characterized in that:
Comprise and being composed in series successively by M constant flow module and N number of Voltage stabilizing module, its head end and tail end meet DC power supply anode HV+ and DC power supply negative terminal HV-respectively, wherein, and M={1,2, ..., i ..., m}, N={1,2 ..., j ..., n}, m >=n >=1, namely M constant flow module comprises constant flow module 1, constant flow module 2 ..., constant flow module i, ..., constant flow module m, and N number of Voltage stabilizing module comprises Voltage stabilizing module 1, Voltage stabilizing module 2, ..., Voltage stabilizing module j ..., Voltage stabilizing module n.
(1) any one constant flow module i described in comprises constant current input I
in_i, constant current output end I
out_iwith constant-current circuit i, and constant-current circuit i is primarily of current regulator diode D
hi, grading resistor R
hiwith dynamic voltage balancing electric capacity C
hicompose in parallel, current regulator diode D
hianode and grading resistor R in parallel
hiwith dynamic voltage balancing electric capacity C
hione end is connected, current regulator diode D
hinegative electrode and grading resistor R in parallel
hiwith dynamic voltage balancing electric capacity C
hithe other end is connected, constant current input I
in_iwith current regulator diode D
hinegative electrode be connected, constant current output end I
out_iwith current regulator diode D
hianode be connected;
(2) any one Voltage stabilizing module j described in comprises voltage stabilizing input V
in_j, output end of pressure-stabilizing V
out_j, voltage stabilizing place of working D
gnd_jwith voltage stabilizing circuit j, and voltage stabilizing circuit j is made up of the voltage stabilizing circuit of routine, and its input port, output port and place of working port be corresponding described voltage stabilizing input V respectively
in_j, output end of pressure-stabilizing V
out_jwith voltage stabilizing place of working D
gnd_j.
As shown in Figure 2, be as the typical embodiment of another kind, the present invention N number of Voltage stabilizing module and M constant flow module are composed in series successively.
As shown in Figure 3, be as another typical embodiment, the present invention M constant flow module and N number of Voltage stabilizing module is unordered is composed in series.
As shown in Figure 4, be a kind of typical specific embodiment of the present invention, comprise two constant flow modules and a Voltage stabilizing module, be sequentially connected in series, the constant current input I of constant flow module 1
in_1the anode HV+ inputted with DC power supply is connected, the constant current output end I of constant flow module 1
out_1with the constant current input I of constant flow module 2
in_2be connected, the constant current output end I of constant flow module 2
out_2with the voltage stabilizing input V of Voltage stabilizing module
in_1be connected, the voltage stabilizing place of working D of Voltage stabilizing module
gnd_1input negative terminal HV-with DC power supply to be connected.
Current regulator diode in the middle of described constant flow module 1 and constant flow module 2 is respectively D
h1and D
h2, its model is 2H1002A, and central grading resistor is respectively R
h1and R
h2, its resistance is 18k Ω, and central dynamic voltage balancing electric capacity is respectively C
h1and C
h2, its parameter is 104.In addition, Voltage stabilizing module is by voltage stabilizing chip U
1, biasing resistor R
1, biasing resistor R
2with divider resistance R
3form, wherein, U
1model be TL431ACD, R
1resistance be 10k Ω, R
2resistance be 38k Ω, R
3resistance be 200 Ω, the output end of pressure-stabilizing V of Voltage stabilizing module in addition
out_1and for external load resistance R between the negative terminal HV-that DC power supply inputs
l.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.If carry out various changes and modifications to embodiment of the present invention, but still within the spirit and principles in the present invention, all should be included within claims of the present invention.
Claims (4)
1. a DC auxiliary supply for current regulator diode dividing potential drop in parallel with grading resistor, is characterized in that:
Comprise and being composed in series successively by M constant flow module and N number of Voltage stabilizing module, its head end and tail end meet DC power supply anode HV+ and DC power supply negative terminal HV-respectively, wherein, and M={1,2, ..., i ..., m}, N={1,2 ..., j ..., n}, m >=n >=1, namely M constant flow module comprises constant flow module 1, constant flow module 2 ..., constant flow module i, ..., constant flow module m, and N number of Voltage stabilizing module comprises Voltage stabilizing module 1, Voltage stabilizing module 2, ..., Voltage stabilizing module j ..., Voltage stabilizing module n.
2. the DC auxiliary supply of a kind of current regulator diode according to claim 1 dividing potential drop in parallel with grading resistor, is characterized in that:
(1) any one constant flow module i described in comprises constant current input I
in_i, constant current output end I
out_iwith constant-current circuit i, and constant-current circuit i is primarily of current regulator diode D
hi, grading resistor R
hiwith dynamic voltage balancing electric capacity C
hicompose in parallel, current regulator diode D
hianode and grading resistor R in parallel
hiwith dynamic voltage balancing electric capacity C
hione end is connected, current regulator diode D
hinegative electrode and grading resistor R in parallel
hiwith dynamic voltage balancing electric capacity C
hithe other end is connected, constant current input I
in_iwith current regulator diode D
hinegative electrode be connected, constant current output end I
out_iwith current regulator diode D
hianode be connected;
(2) any one Voltage stabilizing module j described in comprises voltage stabilizing input V
in_j, output end of pressure-stabilizing V
out_j, voltage stabilizing place of working D
gnd_jwith voltage stabilizing circuit j, and voltage stabilizing circuit j is made up of the voltage stabilizing circuit of routine, and its input port, output port and place of working port be corresponding described voltage stabilizing input V respectively
in_j, output end of pressure-stabilizing V
out_jwith voltage stabilizing place of working D
gnd_j.
3. the DC auxiliary supply of the dividing potential drop in parallel with grading resistor of a kind of current regulator diode according to claim 1 and 2, is characterized in that:
The DC auxiliary supply of described a kind of current regulator diode dividing potential drop in parallel with grading resistor is composed in series successively by N number of Voltage stabilizing module and M constant flow module.
4. the DC auxiliary supply of the dividing potential drop in parallel with grading resistor of a kind of current regulator diode according to claim 1 and 2, is characterized in that:
The DC auxiliary supply of described a kind of current regulator diode dividing potential drop in parallel with grading resistor is by M constant flow module and N number of Voltage stabilizing module is unordered is composed in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765450.4A CN105245097A (en) | 2015-11-11 | 2015-11-11 | Constant-current diode and voltage-equalizing resistor parallel connection voltage-dividing DC auxiliary power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765450.4A CN105245097A (en) | 2015-11-11 | 2015-11-11 | Constant-current diode and voltage-equalizing resistor parallel connection voltage-dividing DC auxiliary power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105245097A true CN105245097A (en) | 2016-01-13 |
Family
ID=55042626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510765450.4A Pending CN105245097A (en) | 2015-11-11 | 2015-11-11 | Constant-current diode and voltage-equalizing resistor parallel connection voltage-dividing DC auxiliary power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105245097A (en) |
-
2015
- 2015-11-11 CN CN201510765450.4A patent/CN105245097A/en active Pending
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160113 |
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| WD01 | Invention patent application deemed withdrawn after publication |