CN105159376A - Direct-current auxiliary power supply for current expanding type constant-current circuit voltage division - Google Patents
Direct-current auxiliary power supply for current expanding type constant-current circuit voltage division Download PDFInfo
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- CN105159376A CN105159376A CN201510611617.1A CN201510611617A CN105159376A CN 105159376 A CN105159376 A CN 105159376A CN 201510611617 A CN201510611617 A CN 201510611617A CN 105159376 A CN105159376 A CN 105159376A
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Abstract
The invention discloses a direct-current auxiliary power supply for current expanding type constant-current circuit voltage division. The direct-current auxiliary power supply comprises M constant-current modules and N voltage stabilizing modules which are connected sequentially in series, wherein the head end and the tail end of the constant-current modules and the voltage stabilizing modules are connected with the positive end HV+ and the negative end HV- of a direct-current power supply respectively, M={1, 2, ..., i, ..., m}, N={1, 2, ..., j, ..., n}, and m>=n>=1. Due to the fact that any constant-current module has a constant-current operating voltage range and any voltage stabilizing module has a voltage stabilizing operating voltage range, the specific number of the constant-current modules and the specific number of the voltage stabilizing modules are within a dynamic range, and the cumulative sum of voltage differences caused by this does not exceed the voltage difference between the positive end HV+ and the negative end HV- of the direct-current power supply. The direct-current auxiliary power supply is simple in design, reasonable in structure, convenient to construct, high in universality, and capable of overcoming the defect in high-voltage adaptability of an existing direct-current auxiliary power supply and effectively achieving direct conversion between a high-voltage direct-current power supply and a low-voltage direct-current power supply.
Description
Technical field
The present invention relates to DC auxiliary supply, more particularly, is a kind of DC auxiliary supply relating to expansion flow pattern constant-current circuit dividing potential drop.
Background technology
Current, DC auxiliary supply is used for low-pressure field, and Technical comparing is ripe.But, be limited by the characteristic of device and the deficiency of circuit structure withstand voltage properties, if directly apply in the middle of high-tension circuit, inherently have that complex structure, 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 expanding flow pattern constant-current circuit dividing potential drop, 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 direct supply.
In order to realize the object of foregoing invention, the present invention specifically provides the DC auxiliary supply expanding flow pattern constant-current circuit dividing potential drop, 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 direct supply anode HV+ and direct 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 established a capital a dynamic range really, namely when design and use, the accumulation voltage difference sum that it produces can not exceed the voltage difference of direct supply anode HV+ and direct supply negative terminal HV-.
(1) its outside port of any one constant flow module i described in comprises constant current input end I
in_i, constant current output end I
out_i, and inside is composed in parallel by H group constant current submodule, wherein, H={1,2 ..., e ..., h}, h>=2, namely H group constant current submodule comprises constant current submodule 1, constant current submodule 2, ..., constant current submodule e ..., constant current submodule h, wherein any one group of constant current submodule e is by conventional voltage stabilizing chip ConstantVoltageIC, an adjusting resistance R
t_e, a filter capacitor C
t_ewith an equalizing resistance R
jy_ecomposition, wherein adjusting resistance R
t_ewith filter capacitor C
t_eparallel connection, and conventional voltage stabilizing chip ConstantVoltageIC is provided with input end V
in, output terminal V
outwith adjustment end ADJ, its input end V
inwith the constant current input end I of described constant flow module i outside port
in_iand with equalizing resistance R in parallel
jy_ione end be connected, its output terminal V
outwith adjusting resistance R in parallel
t_iwith filter capacitor C
t_ione end be connected, and adjustment end ADJ and adjusting resistance R in parallel
t_iwith filter capacitor C
t_ithe other end be connected, further also with equalizing resistance R in parallel
jy_ithe other end, and with the constant current output end I of described constant flow module i outside port
out_ibe connected;
(2) any one Voltage stabilizing module j described in comprises voltage stabilizing input end Vin_j, output end of pressure-stabilizing Vout_j, voltage stabilizing place of working Dgnd_j and mu balanced circuit j, and mu balanced circuit j is made up of the mu balanced circuit of routine, its input port, output port and place of working port be corresponding described voltage stabilizing input end Vin_j, output end of pressure-stabilizing Vout_j and voltage stabilizing place of working Dgnd_j respectively.
Preferably, the DC auxiliary supply of described expansion flow pattern constant-current circuit dividing potential drop is composed in series successively with N number of Voltage stabilizing module and M constant flow module.
Preferably, the DC auxiliary supply of described expansion flow pattern constant-current circuit dividing potential drop is with M constant flow module and N number of Voltage stabilizing module is unordered is composed in series.
In addition, the DC auxiliary supply of described expansion flow pattern constant-current circuit dividing potential drop also has another kind of scheme, it is characterized in that:
Comprise and being composed in series successively with N number of Voltage stabilizing module by after W constant flow module parallel connection again, its head end and tail end meet direct supply anode HV+ and direct supply negative terminal HV-respectively, wherein, and W={1,2 ..., p ..., w}, N={1,2 ..., j ..., n}, w>=2, n>=1, W constant flow module namely in parallel comprises constant flow module 1, constant flow module 2 ..., constant flow module p ..., constant flow module w, its Rendezvous Point head end is I
in_ ∑, tail end is I
out_ ∑and N number of Voltage stabilizing module comprises Voltage stabilizing module 1, Voltage stabilizing module 2 ..., Voltage stabilizing module j, ..., Voltage stabilizing module n, any one constant flow module or Voltage stabilizing module have an intrinsic operating voltage range, therefore, when design and use, any one described constant flow module should be ensured all in the intrinsic operating voltage range of its constant current, also should ensure any one Voltage stabilizing module all in the intrinsic operating voltage range of its voltage stabilizing simultaneously.
(1) its outside port of any one constant flow module p described in comprises constant current input end I
in_pwith constant current output end I
out_p, and inside is composed in series by V group constant current submodule, and wherein, V={1,2 ..., f ..., v}, v>=1, namely V group constant current submodule comprises constant current submodule 1, constant current submodule 2, ..., constant current submodule f ..., constant current submodule v, wherein any one group of constant current submodule f outside is provided with constant current input end I
in_sfwith constant current output end I
out_sf, its inside is by conventional voltage stabilizing chip ConstantVoltageIC, an adjusting resistance R
t_f, a filter capacitor C
t_fwith an equalizing resistance R
jy_fcomposition, wherein adjusting resistance R
t_fwith filter capacitor C
t_fparallel connection, and conventional voltage stabilizing chip ConstantVoltageIC is provided with input end V
in, output terminal V
outwith adjustment end ADJ, its input end V
inwith the constant current input end I of described constant current submodule f outside port
in_sfand with equalizing resistance R in parallel
jy_fone end be connected, its output terminal V
outwith adjusting resistance R in parallel
t_fwith filter capacitor C
t_fone end be connected, and adjustment end ADJ and adjusting resistance R in parallel
t_fwith filter capacitor C
t_fthe other end be connected, further also with equalizing resistance R in parallel
jy_fthe other end, and with the constant current output end I of described constant flow module f outside port
out_sfbe connected;
(2) any one Voltage stabilizing module j described in comprises voltage stabilizing input end V
in_j, output end of pressure-stabilizing V
out_j, voltage stabilizing place of working D
gnd_jwith mu balanced circuit j, and mu balanced circuit j is made up of the mu balanced circuit of routine, and its input port, output port and place of working port be corresponding described voltage stabilizing input end V respectively
in_j, output end of pressure-stabilizing V
out_jwith voltage stabilizing place of working D
gnd_j.
Preferably, the another kind of scheme of DC auxiliary supply of described expansion flow pattern constant-current circuit dividing potential drop is after connecting successively with N number of Voltage stabilizing module, then forms with the parallel circuit in series that W constant flow module forms.
Preferably, the another kind of scheme of DC auxiliary supply of described expansion flow pattern constant-current circuit dividing potential drop is with after W constant flow module composition parallel circuit, then is composed in series with N number of Voltage stabilizing module is unordered.
The invention has the beneficial effects as follows, a kind of DC auxiliary supply expanding flow pattern constant-current circuit dividing potential drop 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 direct conversion of high-low pressure direct 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 that the present invention expands flow pattern constant-current circuit dividing potential drop.
Fig. 2 is a kind of canonical schema of DC auxiliary supply i-th constant flow module that the present invention expands flow pattern constant-current circuit dividing potential drop.
Fig. 3 is the another kind of canonical schema of DC auxiliary supply that the present invention expands flow pattern constant-current circuit dividing potential drop.
Fig. 4 is another canonical schema of DC auxiliary supply that the present invention expands flow pattern constant-current circuit dividing potential drop.
Fig. 5 is a kind of canonical schema that the present invention expands the another kind of scheme of DC auxiliary supply of flow pattern constant-current circuit dividing potential drop.
Fig. 6 is a kind of canonical schema of DC auxiliary supply another kind of scheme p constant flow module that the present invention expands flow pattern constant-current circuit dividing potential drop.
Fig. 7 is another canonical schema that the present invention expands the another kind of scheme of DC auxiliary supply of flow pattern constant-current circuit dividing potential drop.
Fig. 8 is another canonical schema that the present invention expands the another kind of scheme of DC auxiliary supply of flow pattern constant-current circuit dividing potential drop.
Fig. 9 is a kind of specific embodiment schematic diagram of DC auxiliary supply that the present invention expands flow pattern constant-current circuit dividing potential drop.
Figure 10 is the specific embodiment schematic diagram that the present invention expands DC auxiliary supply the 1st constant flow module of flow pattern constant-current circuit dividing potential drop.
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 Figures 1 and 2, for the present invention expands a kind of schematic diagram of DC auxiliary supply of flow pattern constant-current circuit dividing potential drop, and the schematic diagram of i-th constant flow module, it is characterized in that respectively:
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 direct supply anode HV+ and direct 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) its outside port of any one constant flow module p described in comprises constant current input end I
in_pwith constant current output end I
out_p, and inside is composed in series by V group constant current submodule, and wherein, V={1,2 ..., f ..., v}, v>=2, namely V group constant current submodule comprises constant current submodule 1, constant current submodule 2, ..., constant current submodule f ..., constant current submodule v, wherein any one group of constant current submodule f outside is provided with constant current input end I
in_sfwith constant current output end I
out_sf, its inside is by conventional voltage stabilizing chip ConstantVoltageIC, an adjusting resistance R
t_f, a filter capacitor C
t_fwith an equalizing resistance R
jy_fcomposition, wherein adjusting resistance R
t_fwith filter capacitor C
t_fparallel connection, and conventional voltage stabilizing chip ConstantVoltageIC is provided with input end V
in, output terminal V
outwith adjustment end ADJ, its input end V
inwith the constant current input end I of described constant current submodule f outside port
in_sfand with equalizing resistance R in parallel
jy_fone end be connected, its output terminal V
outwith adjusting resistance R in parallel
t_fwith filter capacitor C
t_fone end be connected, and adjustment end ADJ and adjusting resistance R in parallel
t_fwith filter capacitor C
t_fthe other end be connected, further also with equalizing resistance R in parallel
jy_fthe other end, and with the constant current output end I of described constant flow module f outside port
out_sfbe connected;
(2) any one Voltage stabilizing module j described in comprises voltage stabilizing input end V
in_j, output end of pressure-stabilizing V
out_j, voltage stabilizing place of working D
gnd_jwith mu balanced circuit j, and mu balanced circuit j is made up of the mu balanced circuit of routine, and its input port, output port and place of working port be corresponding described voltage stabilizing input end V respectively
in_j, output end of pressure-stabilizing V
out_jwith voltage stabilizing place of working D
gnd_j.
As shown in Figure 3, 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 4, 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 accompanying drawing 5 and accompanying drawing 6, be the DC auxiliary supply schematic diagram of the expansion flow pattern constant-current circuit dividing potential drop of the another kind of scheme of the present invention, it is characterized in that:
Comprise and being composed in series successively with N number of Voltage stabilizing module by after W constant flow module parallel connection again, its head end and tail end meet direct supply anode HV+ and direct supply negative terminal HV-respectively, wherein, and W={1,2 ..., p ..., w}, N={1,2 ..., j ..., n}, w>=2, n>=1, W constant flow module namely in parallel comprises constant flow module 1, constant flow module 2 ..., constant flow module p ..., constant flow module w, its Rendezvous Point head end is I
in_ ∑, tail end is I
out_ ∑, 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) its outside port of any one constant flow module p described in comprises constant current input end I
in_pwith constant current output end I
out_p, and inside is composed in series by V group constant current submodule, and wherein, V={1,2 ..., f ..., v}, v>=1, namely V group constant current submodule comprises constant current submodule 1, constant current submodule 2, ..., constant current submodule f ..., constant current submodule v, wherein any one group of constant current submodule f outside is provided with constant current input end I
in_sfwith constant current output end I
out_sf, its inside is by conventional voltage stabilizing chip ConstantVoltageIC, an adjusting resistance R
t_f, a filter capacitor C
t_fwith an equalizing resistance R
jy_fcomposition, wherein adjusting resistance R
t_fwith filter capacitor C
t_fparallel connection, and conventional voltage stabilizing chip ConstantVoltageIC is provided with input end V
in, output terminal V
outwith adjustment end ADJ, its input end V
inwith the constant current input end I of described constant current submodule f outside port
in_sfand with equalizing resistance R in parallel
jy_fone end be connected, its output terminal V
outwith adjusting resistance R in parallel
t_fwith filter capacitor C
t_fone end be connected, and adjustment end ADJ and adjusting resistance R in parallel
t_fwith filter capacitor C
t_fthe other end be connected, further also with equalizing resistance R in parallel
jy_fthe other end, and with the constant current output end I of described constant flow module f outside port
out_sfbe connected;
(2) any one Voltage stabilizing module j described in comprises voltage stabilizing input end V
in_j, output end of pressure-stabilizing V
out_j, voltage stabilizing place of working D
gnd_jwith mu balanced circuit j, and mu balanced circuit j is made up of the mu balanced circuit of routine, and its input port, output port and place of working port be corresponding described voltage stabilizing input end V respectively
in_j, output end of pressure-stabilizing V
out_jwith voltage stabilizing place of working D
gnd_j.
As shown in Figure 7, be another typical embodiment of the another kind of scheme of the present invention, after the present invention connects successively with N number of Voltage stabilizing module, then form with the parallel circuit in series that W constant flow module forms.
As shown in Figure 8, be another typical embodiment of the another kind of scheme of the present invention, the present invention with after W constant flow module composition parallel circuit, then is composed in series with N number of Voltage stabilizing module is unordered.
As shown in accompanying drawing 9 and accompanying drawing 10, be as the typical specific embodiment of one, comprise two constant flow modules and a Voltage stabilizing module, be sequentially connected in series, the constant current input end I of constant flow module 1
in_1be connected with direct supply anode HV+, the constant current output end I of constant flow module 1
out_1with the constant current input end 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 end V of Voltage stabilizing module 1
in_1be connected, the output end of pressure-stabilizing D of Voltage stabilizing module 1
gnd_1direct supply negative terminal HV-is connected.
As shown in Figure 10, be the instantiation schematic diagram of constant flow module 1, described constant flow module 1 is identical with constant flow module 2 circuit structure, and constant flow module 1 is made up of two constant current submodules, and constant current submodule 1 is by voltage stabilizing chip IC 1-1, equalizing resistance R
jy_11, adjusting resistance R
t_11with filter capacitor C
t_11composition, in like manner, described constant flow module 2 is by voltage stabilizing chip IC 1-2, equalizing resistance R
jy_12, adjusting resistance R
t_12with filter capacitor C
t_12composition, the model of wherein voltage stabilizing chip IC 1-1 and voltage stabilizing chip IC 1-2 is LR8, filter capacitor C
t_11with filter capacitor C
t_12parameter be 1 microfarad, the adjusting resistance R of constant flow module 1 and constant flow module 2
t_11and R
t_12, its resistance is 120 Ω, and the equalizing resistance of constant flow module 1 and constant flow module 2 is respectively R
jy_11and R
jy_12, its resistance is 18k Ω.
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 direct supply negative terminal HV-
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 (8)
1. expand the DC auxiliary supply of flow pattern constant-current circuit dividing potential drop, 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 direct supply anode HV+ and direct 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. a kind of DC auxiliary supply expanding flow pattern constant-current circuit dividing potential drop according to claim 1, is characterized in that:
(1) its outside port of any one constant flow module i described in comprises constant current input end I
in_i, constant current output end I
out_i, and inside is composed in parallel by H group constant current submodule, wherein, H={1,2 ..., e ..., h}, h>=2, namely H group constant current submodule comprises constant current submodule 1, constant current submodule 2, ..., constant current submodule e ..., constant current submodule h, wherein any one group of constant current submodule e is by conventional voltage stabilizing chip ConstantVoltageIC, an adjusting resistance R
t_e, a filter capacitor C
t_ewith an equalizing resistance R
jy_ecomposition, wherein adjusting resistance R
t_ewith filter capacitor C
t_eparallel connection, and conventional voltage stabilizing chip ConstantVoltageIC is provided with input end V
in, output terminal V
outwith adjustment end ADJ, its input end V
inwith the constant current input end I of described constant flow module i outside port
in_iand with equalizing resistance R in parallel
jy_ione end be connected, its output terminal V
outwith adjusting resistance R in parallel
t_iwith filter capacitor C
t_ione end be connected, and adjustment end ADJ and adjusting resistance R in parallel
t_iwith filter capacitor C
t_ithe other end be connected, further also with equalizing resistance R in parallel
jy_ithe other end, and with the constant current output end I of described constant flow module i outside port
out_ibe connected;
(2) any one Voltage stabilizing module j described in comprises voltage stabilizing input end V
in_j, output end of pressure-stabilizing V
out_j, voltage stabilizing place of working D
gnd_jwith mu balanced circuit j, and mu balanced circuit j is made up of the mu balanced circuit of routine, and its input port, output port and place of working port be corresponding described voltage stabilizing input end 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 expansion flow pattern constant-current circuit dividing potential drop according to claim 1 and 2, is characterized in that:
The DC auxiliary supply of described expansion flow pattern constant-current circuit dividing potential drop is composed in series successively by N number of Voltage stabilizing module and M constant flow module.
4. the DC auxiliary supply of the expansion flow pattern constant-current circuit dividing potential drop according to claim 1 and 2, is characterized in that:
The DC auxiliary supply of described expansion flow pattern constant-current circuit dividing potential drop is by M constant flow module and N number of Voltage stabilizing module is unordered is composed in series.
5. expand the another kind of structure of the DC auxiliary supply of flow pattern constant-current circuit dividing potential drop according to claim 1, it is characterized in that:
Comprise and being composed in series successively with N number of Voltage stabilizing module by after W constant flow module parallel connection again, its head end and tail end meet direct supply anode HV+ and direct supply negative terminal HV-respectively, wherein, and W={1,2 ..., p ..., w}, N={1,2 ..., j ..., n}, w>=2, n>=1, W constant flow module namely in parallel comprises constant flow module 1, constant flow module 2 ..., constant flow module p ..., constant flow module w, its Rendezvous Point head end is I
in_ ∑, tail end is I
out_ ∑, and N number of Voltage stabilizing module comprises Voltage stabilizing module 1, Voltage stabilizing module 2 ..., Voltage stabilizing module j ..., Voltage stabilizing module n.
6. a kind of DC auxiliary supply expanding flow pattern constant-current circuit dividing potential drop according to claim 5, is characterized in that:
(1) its outside port of any one constant flow module p described in comprises constant current input end I
in_pwith constant current output end I
out_p, and inside is composed in series by V group constant current submodule, and wherein, V={1,2 ..., f ..., v}, v>=1, namely V group constant current submodule comprises constant current submodule 1, constant current submodule 2, ..., constant current submodule f ..., constant current submodule v, wherein any one group of constant current submodule f outside is provided with constant current input end I
in_sfwith constant current output end I
out_sf, its inside is by conventional voltage stabilizing chip ConstantVoltageIC, an adjusting resistance R
t_f, a filter capacitor C
t_fwith an equalizing resistance R
jy_fcomposition, wherein adjusting resistance R
t_fwith filter capacitor C
t_fparallel connection, and conventional voltage stabilizing chip ConstantVoltageIC is provided with input end V
in, output terminal V
outwith adjustment end ADJ, its input end V
inwith the constant current input end I of described constant current submodule f outside port
in_sfand with equalizing resistance R in parallel
jy_fone end be connected, its output terminal V
outwith adjusting resistance R in parallel
t_fwith filter capacitor C
t_fone end be connected, and adjustment end ADJ and adjusting resistance R in parallel
t_fwith filter capacitor C
t_fthe other end be connected, further also with equalizing resistance R in parallel
jy_fthe other end, and with the constant current output end I of described constant flow module f outside port
out_sfbe connected;
(2) any one Voltage stabilizing module j described in comprises voltage stabilizing input end V
in_j, output end of pressure-stabilizing V
out_j, voltage stabilizing place of working D
gnd_jwith mu balanced circuit j, and mu balanced circuit j is made up of the mu balanced circuit of routine, and its input port, output port and place of working port be corresponding described voltage stabilizing input end V respectively
in_j, output end of pressure-stabilizing V
out_jwith voltage stabilizing place of working D
gnd_j.
7. a kind of DC auxiliary supply expanding flow pattern constant-current circuit dividing potential drop according to claim 5 and 6, is characterized in that:
After the DC auxiliary supply of described expansion flow pattern constant-current circuit dividing potential drop is connected successively with N number of Voltage stabilizing module, then form with the parallel circuit in series that W constant flow module forms.
8. a kind of DC auxiliary supply expanding flow pattern constant-current circuit dividing potential drop according to claim 5 and 6, is characterized in that:
After DC auxiliary supply W constant flow module composition parallel circuit of described expansion flow pattern constant-current circuit dividing potential drop, then be composed in series with N number of Voltage stabilizing module is unordered.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510611617.1A CN105159376A (en) | 2015-09-23 | 2015-09-23 | Direct-current auxiliary power supply for current expanding type constant-current circuit voltage division |
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|---|---|---|---|
| CN201510611617.1A CN105159376A (en) | 2015-09-23 | 2015-09-23 | Direct-current auxiliary power supply for current expanding type constant-current circuit voltage division |
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| CN105159376A true CN105159376A (en) | 2015-12-16 |
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Application publication date: 20151216 |