CN213694246U - Novel direct current illumination distribution system - Google Patents
Novel direct current illumination distribution system Download PDFInfo
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- CN213694246U CN213694246U CN202022985229.9U CN202022985229U CN213694246U CN 213694246 U CN213694246 U CN 213694246U CN 202022985229 U CN202022985229 U CN 202022985229U CN 213694246 U CN213694246 U CN 213694246U
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Abstract
The utility model relates to the technical field of direct current lighting power distribution, in particular to a novel direct current lighting power distribution system, which comprises a rectifier distribution box, wherein the rectifier distribution box is electrically connected with more than two dimming control distribution boxes, each dimming control distribution box is respectively and electrically connected with more than two lamp loop groups, a power electronic device is placed in the rectifier distribution box, more than two mutually independent dimming modules are placed in the dimming control distribution boxes, each lamp loop group comprises a direct current dimming driving power module, the direct current dimming driving power modules are electrically connected with the corresponding dimming control distribution boxes, through placing all power electronic devices in same big block terminal (rectifier block terminal promptly), place more than two and mutually independent dimming module group in a plurality of little block terminals (dimming control block terminal), can reduce the inside total volume of walking the line and reducing distribution system equipment of single block terminal like this.
Description
Technical Field
The utility model relates to a direct current illumination distribution technical field, in particular to novel direct current illumination distribution system.
Background
The lighting equipment is indispensable equipment for daily production and life; at present, the existing direct current lighting power distribution system has the problems that: because the direct-current lighting power distribution system is mainly used for household power supply and lighting, certain limitations exist in the application of the industrial field, for example, when the direct-current lighting power distribution system is used for a subway lighting power distribution room with narrow occupied area, a plurality of large power distribution boxes with rectifier modules are needed for power supply, and the occupied area does not meet the actual requirements; when a certain loop in a loop controller in power distribution equipment has a fault, the whole loop controller needs to be replaced, and all lamps need to be powered off at the moment, so that the whole illumination is influenced; seem with past engineering experience, if place rectifier module and lamps and lanterns controller at same block terminal, the cabinet body is inside to walk the line very complicacy, can increase the block terminal and make the degree of difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a novel DC lighting power distribution system is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides a novel direct current illumination distribution system, includes the rectifier block terminal, rectifier block terminal electricity is connected with the dimming control block terminal more than two, every the dimming control block terminal electricity respectively is connected with the lamps and lanterns return circuit group more than two, power electronic device has been placed in the rectifier block terminal, place the module of adjusting luminance more than two and mutual independence in the dimming control block terminal, lamps and lanterns return circuit group includes direct current dimming drive power supply module, direct current dimming drive power supply module is connected with the dimming control block terminal electricity that corresponds.
The beneficial effects of the utility model reside in that:
all power electronic devices are placed in the same large distribution box (namely a rectifier distribution box), and more than two mutually independent dimming modules are placed in a plurality of small distribution boxes (dimming control distribution boxes) in groups, so that wiring in a single distribution box can be reduced, and the total volume of distribution system equipment can be reduced; modules with different functions are placed in different distribution boxes, so that separation of equipment with larger current and equipment with smaller current is realized, and reliability of the equipment is improved; the dimming modules in the dimming control distribution box are mutually independent, so that when the dimming module of a certain lighting loop is damaged, the module is only required to be replaced to complete maintenance; the dimming module in the dimming control distribution box and the direct-current dimming driving power module in the lamp loop group have the interaction capacity of coupling dimming information through a power cable, and dimming instructions can be sent to the direct-current dimming driving power module through the dimming module in a coupling signal mode through a power transmission cable, so that the adjustment of the illuminance is realized.
Drawings
Fig. 1 is a system block diagram of a novel dc lighting power distribution system according to the present invention;
fig. 2 is a schematic structural diagram of a rectifier distribution box of a novel direct current lighting distribution system according to the present invention;
fig. 3 is a schematic structural view of a dimming control distribution box of a novel direct current lighting distribution system according to the present invention;
fig. 4 is a schematic structural diagram of a lamp circuit group of a novel dc lighting distribution system according to the present invention;
fig. 5 is a schematic structural diagram of a dc dimming driving power module of a novel dc lighting power distribution system according to the present invention;
fig. 6 is a schematic structural diagram of a rectifier distribution box of a novel dc lighting distribution system according to the present invention;
fig. 7 is a schematic structural diagram of a rectifier distribution box of a novel dc lighting distribution system according to the present invention;
description of reference numerals:
1. a rectifier distribution box; 101. a first DC-to-DC module; 102. a first controller; 103. a first direct current bus; 104. a first direct current breaker; 105. a first AC-to-DC module; 106. a second controller; 107. a second DC bus; 108. a second direct current breaker; 109. a second DC-to-DC module; 110. a second AC-to-DC module; 111. a third controller; 112. a third direct current bus; 113. a third direct current breaker;
2. a dimming control distribution box; 201. a dimming module; 202. a fourth direct current breaker; 203. a fourth controller; 204. a fourth direct current bus; 205. a fifth direct current breaker;
3. a lamp circuit group; 301. a direct current dimming driving power supply module; 3011. a dimming signal decoupling pickup module; 3012. an output power adjustable module; 302. a fifth direct current bus; 303. a luminaire.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the present invention provides a technical solution:
the utility model provides a novel direct current illumination distribution system, includes the rectifier block terminal, rectifier block terminal electricity is connected with the dimming control block terminal more than two, every the dimming control block terminal electricity respectively is connected with the lamps and lanterns return circuit group more than two, power electronic device has been placed in the rectifier block terminal, place the module of adjusting luminance more than two and mutual independence in the dimming control block terminal, lamps and lanterns return circuit group includes direct current dimming drive power supply module, direct current dimming drive power supply module is connected with the dimming control block terminal electricity that corresponds.
From the above description, the beneficial effects of the present invention are:
all power electronic devices are placed in the same large distribution box (namely a rectifier distribution box), and more than two mutually independent dimming modules are placed in a plurality of small distribution boxes (dimming control distribution boxes) in groups, so that wiring in a single distribution box can be reduced, and the total volume of distribution system equipment can be reduced; modules with different functions are placed in different distribution boxes, so that separation of equipment with larger current and equipment with smaller current is realized, and reliability of the equipment is improved; the dimming modules in the dimming control distribution box are mutually independent, so that when the dimming module of a certain lighting loop is damaged, the module is only required to be replaced to complete maintenance; the dimming module in the dimming control distribution box and the direct-current dimming driving power module in the lamp loop group have the interaction capacity of coupling dimming information through a power cable, and dimming instructions can be sent to the direct-current dimming driving power module through the dimming module in a coupling signal mode through a power transmission cable, so that the adjustment of the illuminance is realized.
Furthermore, power electronic device includes first direct current module, first controller and first direct current bus, the output of first direct current module is connected with the input electricity of first controller and first direct current bus respectively, the output electricity of first direct current bus is connected with more than two first direct current circuit breakers, one first direct current circuit breaker corresponds and is connected with a dimming control block terminal, the input termination low voltage direct current of first direct current module.
As can be seen from the above description, low-voltage direct current (600V + -50%) enters the rectifier distribution box through the direct current transmission line, is converted into DC250V + -50V through the first direct current to direct current module, is transmitted to the first direct current breaker through the first direct current bus, and is output outwards through the first direct current breaker.
Furthermore, power electronic device changes direct current module, second controller and second direct current generating line including first interchange, the output of first interchange commentaries on classics direct current module is connected with the input electricity of second controller and second direct current generating line respectively, the output electricity of second direct current generating line is connected with more than two second direct current circuit breakers, one second direct current circuit breaker corresponds and is connected with a dimming control block terminal, the input termination low pressure three-phase alternating current of first interchange commentaries on classics direct current module.
As can be seen from the above description, the low-voltage three-phase alternating current (380V + -30%) enters the rectifier distribution box through the alternating current transmission line, is converted into DC250V + -50V through the first alternating current-to-direct current module, is transmitted to the second direct current breaker through the second direct current bus, and is output outwards through the second direct current breaker.
Furthermore, the power electronic device includes a second dc-to-dc module, a second ac-to-dc module, a third controller and a third dc bus, an output of the second dc-to-dc module is electrically connected to input ends of the third controller and the third dc bus, an output of the second ac-to-dc module is electrically connected to input ends of the third controller and the third dc bus, an output end of the third dc bus is electrically connected to output ends of the third dc bus, one of the third dc breakers is correspondingly connected to a dimming control distribution box, an input end of the second dc-to-dc module is connected to the low-voltage dc, and an input end of the second ac-to-dc module is connected to the low-voltage three-phase ac power.
As can be seen from the above description, the second dc-to-dc module and the second ac-to-dc module are simultaneously disposed in the rectifier distribution box, so that the input of the rectifier distribution box can be either ac or dc, and thus the power supply system has a multi-power input capability, thereby improving the power supply reliability;
further, still be equipped with fourth direct current circuit breaker, fourth controller and fourth direct current bus in the control switch board of adjusting luminance, fourth direct current circuit breaker's input is connected with rectifier switch board electricity, fourth direct current circuit breaker's output is connected with fourth direct current bus's input electricity, fourth direct current bus's output is connected with the input electricity of the module of adjusting luminance, one the output of the module of adjusting luminance corresponds the electricity and is connected with a fifth direct current circuit breaker, fifth direct current circuit breaker's output and the lamps and lanterns return circuit group electricity that corresponds are connected.
According to the above description, the DC electric energy output by the rectifier distribution box is conducted into the dimming control distribution box through the power transmission line, and the electric energy is transmitted to the fourth direct current bus through the fourth direct current breaker and is transmitted to the fifth direct current breaker through the dimming module to be output outwards; DC electric energy output by the dimming control distribution box is transmitted to the direct current dimming driving power supply module through a direct current power transmission line, and then is subjected to voltage reduction and current stabilization by the direct current dimming driving power supply module and is output to the lamp for power supply; meanwhile, in the direct-current dimming driving power module, a dimming signal decoupling and picking module is used for decoupling and picking a dimming signal coupled by a fifth direct-current circuit breaker of the dimming control distribution box to form a digital signal, and the dimming signal decoupling and picking module is used for commanding an output power adjustable module to output low-voltage direct currents with different powers (the voltage range can be 12V-60V, and the power range can be 10W-200W).
Furthermore, the lamp loop set further comprises a fifth direct current bus, an input end of the fifth direct current bus is electrically connected with the dimming control distribution box, an output end of the fifth direct current bus is electrically connected with an input end of the direct current dimming driving power module, and an output end of the direct current dimming driving power module is correspondingly electrically connected with a lamp.
Furthermore, the direct current dimming driving power supply module comprises a dimming signal decoupling pickup module and an output power adjustable module, wherein the input end of the dimming signal decoupling pickup module is electrically connected with the input end of the output power adjustable module and the output end of the fifth direct current bus respectively, the output end of the dimming signal decoupling pickup module is electrically connected with the input end of the output power adjustable module, and the output end of the output power adjustable module is electrically connected with the corresponding lamp.
As can be seen from the above description, the dimming signal output by the dimming control distribution box is decoupled and picked up by the dimming signal decoupling and picking module to be a digital signal, and then the dimming signal decoupling and picking module commands the output power adjustable module to output low-voltage direct currents with different powers (the voltage range may be 12-60V, and the power range may be 10W-200W).
Referring to fig. 1 to 5, a first embodiment of the present invention is:
referring to fig. 1, fig. 3 and fig. 4, a novel dc lighting power distribution system includes a rectifier distribution box 1, the rectifier distribution box 1 is electrically connected with two or more dimming control distribution boxes 2, each dimming control distribution box 2 is electrically connected with two or more lamp loop sets 3, a power electronic device is placed in the rectifier distribution box 1, two or more and mutually independent dimming modules 201 are placed in the dimming control distribution boxes 2, the dimming modules 201 are dimming modules 201 capable of being hot plugged and unplugged online, the lamp loop sets 3 include a dc dimming driving power module 301, and the dc dimming driving power module 301 is electrically connected with the corresponding dimming control distribution boxes 2.
Referring to fig. 2, the power electronic device includes a first dc-dc module 101, a first controller 102 and a first dc bus 103, an output end of the first dc-dc module 101 is electrically connected to input ends of the first controller 102 and the first dc bus 103, an output end of the first dc bus 103 is electrically connected to more than two first dc breakers 104, one first dc breaker 104 is correspondingly connected to one dimming control distribution box 2, and an input end of the first dc-dc module 101 is connected to low-voltage dc.
Referring to fig. 3, a fourth dc breaker 202, a fourth controller 203 and a fourth dc bus 204 are further disposed in the dimming control distribution box 2, an input end of the fourth dc breaker 202 is electrically connected to the rectifier distribution box 1, an output end of the fourth dc breaker 202 is electrically connected to an input end of the fourth dc bus 204, an output end of the fourth dc bus 204 is electrically connected to an input end of the dimming module 201, an output end of one dimming module 201 is electrically connected to a fifth dc breaker 205, and an output end of the fifth dc breaker 205 is electrically connected to the corresponding lamp loop group 3.
Referring to fig. 4, the lamp circuit group 3 further includes a fifth dc bus 302, an input end of the fifth dc bus 302 is electrically connected to the dimming control distribution box 2, an output end of the fifth dc bus 302 is electrically connected to an input end of the dc dimming driving power module 301, and an output end of one of the dc dimming driving power modules 301 is electrically connected to a lamp 303.
Referring to fig. 5, the dc dimming driving power module 301 includes a dimming signal decoupling pickup module 3011 and an output power adjustable module 3012, an input end of the dimming signal decoupling pickup module 3011 is electrically connected to an input end of the output power adjustable module 3012 and an output end of the fifth dc bus 302, an output end of the dimming signal decoupling pickup module 3011 is electrically connected to an input end of the output power adjustable module 3012, and an output end of the output power adjustable module 3012 is electrically connected to the corresponding lamp 303.
The working principle of the novel direct-current lighting power distribution system is as follows:
firstly, low-voltage direct current (600V +/-50%) enters a rectifier distribution box 1 through a direct current transmission line, is converted into DC250V +/-50V through a first direct current to direct current module 101, is conveyed to a first direct current breaker 104 through a first direct current bus 103, and is output outwards through the first direct current breaker 104;
secondly, the DC electric energy output by the rectifier distribution box 1 is conducted into the dimming control distribution box 2 through a power transmission line, and the electric energy is transmitted to a fourth DC bus 204 through a fourth DC breaker 202 and is transmitted to a fifth DC breaker 205 through a dimming module 201 to be output outwards;
thirdly, the DC electric energy output by the dimming control distribution box 2 is transmitted to the DC dimming driving power supply module 301 through a DC power transmission line, and then is subjected to voltage reduction and current stabilization by the DC dimming driving power supply module 301 and is output to the lamp 303 for power supply; meanwhile, in the dc dimming driving power module 301, the dimming signal decoupling and pickup module 3011 decouples and picks up the "dimming signal" coupled by the fifth dc circuit breaker 205 of the dimming control distribution box 2 to be a digital signal, and then the dimming signal decoupling and pickup module 3011 commands the output power adjustable module 3012 to output low-voltage dc power with different power (the voltage range may be 12V-60V, and the power range may be 10W-200W).
Fourth, the first controller 102 (model CPM-a0) in the rectifier distribution box 1 can control the DC output voltage of the first DC-to-DC module 101 (so that the DC output voltage can be adjusted to DC200V-DC300V or other voltage ranges);
finally, the fourth controller 203 (model is CPM-a0) in the dimming control distribution box 2 can receive a logic dimming command from a handheld smart communication device, a desktop computer or a portable mobile computer, or a touch-operable display screen externally installed on the fourth controller 203 edits the logic dimming command, and sends the logic dimming command to the dimming module 201 through a data line, so as to "couple" the digital dimming signal to the power line, thereby realizing the sending of the low-frequency power carrier dimming signal.
Referring to fig. 6, a second embodiment of the present invention is:
the difference between the second embodiment and the first embodiment is that: the power electronic device comprises a first alternating current-to-direct current module 105, a second controller 106 (model is CPM-a0) and a second direct current bus 107, wherein an output end of the first alternating current-to-direct current module 105 is electrically connected with input ends of the second controller 106 and the second direct current bus 107 respectively, output ends of the second direct current bus 107 are electrically connected with more than two second direct current breakers 108, one second direct current breaker 108 is correspondingly connected with one dimming control distribution box 2, and an input end of the first alternating current-to-direct current module 105 is connected with low-voltage three-phase alternating current.
The working principle of the novel direct-current lighting power distribution system is as follows:
firstly, low-voltage three-phase alternating current (380V +/-30%) enters a rectifier distribution box 1 through an alternating current transmission line, is converted into DC250V +/-50V through a first alternating current-to-direct current module 105, is conveyed to a second direct current breaker 108 through a second direct current bus 107, and is output outwards through the second direct current breaker 108;
secondly, the DC electric energy output by the rectifier distribution box 1 is conducted into the dimming control distribution box 2 through a power transmission line, and the electric energy is transmitted to a fourth DC bus 204 through a fourth DC breaker 202 and is transmitted to a fifth DC breaker 205 through a dimming module 201 to be output outwards;
thirdly, the DC electric energy output by the dimming control distribution box 2 is transmitted to the DC dimming driving power supply module 301 through a DC power transmission line, and then is subjected to voltage reduction and current stabilization by the DC dimming driving power supply module 301 and is output to the lamp 303 for power supply; meanwhile, in the dc dimming driving power module 301, the dimming signal decoupling and pickup module 3011 decouples and picks up the "dimming signal" coupled by the fifth dc circuit breaker 205 of the dimming control distribution box 2 to be a digital signal, and then the dimming signal decoupling and pickup module 3011 commands the output power adjustable module 3012 to output low-voltage dc power with different power (the voltage range may be 12V-60V, and the power range may be 10W-200W).
Fourth, the second controller 106 in the rectifier distribution box 1 can control the DC output voltage of the first ac-to-DC module 105 (such that the DC output voltage can be adjusted to DC200V-DC300V or other voltage ranges);
finally, the fourth controller 203 in the dimming control distribution box 2 can receive a logic dimming command from a handheld intelligent communication device, a desktop computer or a portable mobile computer, or a logic dimming command edited by a touch-operable display screen externally arranged on the fourth controller 203, and sends the logic dimming command to the dimming module 201 through a data line, so as to "couple" the digital dimming signal to a power line, thereby realizing the sending of the low-frequency power carrier dimming signal.
Referring to fig. 7, a third embodiment of the present invention is:
the difference between the third embodiment and the first embodiment is that: the power electronic device comprises a second direct current-to-direct current module 109, a second alternating current-to-direct current module 110, a third controller 111 (model is CPM-a0) and a third direct current bus 112, wherein an output end of the second direct current-to-direct current module 109 is electrically connected with input ends of the third controller 111 and the third direct current bus 112 respectively, an output end of the second alternating current-to-direct current module 110 is electrically connected with input ends of the third controller 111 and the third direct current bus 112 respectively, output ends of the third direct current bus 112 are electrically connected with more than two third direct current circuit breakers 113, one third direct current circuit breaker 113 is correspondingly connected with one dimming control distribution box 2, an input end of the second direct current-to-direct current module 109 is connected with low-voltage direct current, and an input end of the second alternating current-to-direct current module 110 is connected with low-voltage three-phase alternating current.
The third controller 111 performs voltage control and current control on the second dc-to-dc module 109 and the second ac-to-dc module 110, and adjusts power distribution by the output power of the second dc-to-dc module 109 and the second ac-to-dc module 110;
when the total power of the load is constant, the load power borne by the second dc-dc module 109 and the second ac-dc module 110 can be adjusted.
The fourth controller 203, the dimming module 201 and the dimming signal decoupling pickup module 3011 form a coupling-decoupling power carrier signal transmission mode.
By simultaneously configuring the 'alternating current' input interface and the 'direct current' input interface and configuring the magnitude of the alternating current output current and the magnitude of the direct current output current, the input power of alternating current to direct current is flexibly adjusted, and on the premise that the direct current energy storage access capacity is achieved, the chemical energy stored by the direct current energy storage outside the system can be converted into electric energy for power supply in the power grid power utilization peak period, so that the power utilization cost is reduced;
in the prior art, a plurality of 'alternating current to direct current modules' are placed in a plurality of distribution boxes in a distributed mode, each distribution box needs to be provided with (4-5) × N kW conversion modules (current industry situation) according to the rated output power of N kW, and the scheme adopted by the scheme is that all the 'alternating current to direct current modules' and the 'direct current to direct current modules' are placed in a 'rectifier distribution box', wherein the alternating current to direct current modules are provided with 1.2 × N kW, the direct current to direct current modules are provided with 1.2 × N kW, the total number is not more than 2.4 × N kW, and the equipment manufacturing cost is reduced by reducing the total power of equipment; the distributed power electronic conversion modules with large volume and small power are changed into centralized power electronic modules with relatively small volume and relatively large power, and the centralized power electronic modules are intensively placed in the same rectifier distribution box, so that the aim of reducing the equipment volume is fulfilled.
The working principle of the novel direct-current lighting power distribution system is as follows:
firstly, low-voltage three-phase alternating current (380V +/-30%) and low-voltage direct current (600V +/-50%) respectively enter a rectifier distribution box 1 through an alternating current/direct current transmission line, are converted into DC250V +/-50V through a second direct current-to-direct current module 109 and a second alternating current-to-direct current module 110 respectively, are conveyed to a third direct current breaker 113 through a third direct current bus 112, and are output outwards through the third direct current breaker 113;
secondly, the DC electric energy output by the rectifier distribution box 1 is conducted into the dimming control distribution box 2 through a power transmission line, and the electric energy is transmitted to a fourth DC bus 204 through a fourth DC breaker 202 and is transmitted to a fifth DC breaker 205 through a dimming module 201 to be output outwards;
thirdly, the DC electric energy output by the dimming control distribution box 2 is transmitted to the DC dimming driving power supply module 301 through a DC power transmission line, and then is subjected to voltage reduction and current stabilization by the DC dimming driving power supply module 301 and is output to the lamp 303 for power supply; meanwhile, in the dc dimming driving power module 301, the dimming signal decoupling and pickup module 3011 decouples and picks up the "dimming signal" coupled by the fifth dc circuit breaker 205 of the dimming control distribution box 2 to be a digital signal, and then the dimming signal decoupling and pickup module 3011 commands the output power adjustable module 3012 to output low-voltage dc power with different power (the voltage range may be 12V-60V, and the power range may be 10W-200W).
Fourth, the third controller 111 in the rectifier distribution box 1 can not only control the DC output voltages of the second DC-to-DC module 109 and the second ac-to-DC module 110, respectively (so that the DC output voltage can be adjusted to DC200V-DC300V or other voltage ranges); the dc output currents of the second dc-to-dc module 109 and the second ac-to-dc module 110 may also be limited (the output current range may be 10A-200A or other current ranges);
finally, the fourth controller 203 in the dimming control distribution box 2 can receive a logic dimming command from a handheld intelligent communication device, a desktop computer or a portable mobile computer, or a logic dimming command edited by a touch-operable display screen externally arranged on the fourth controller 203, and sends the logic dimming command to the dimming module 201 through a data line, so as to "couple" the digital dimming signal to a power line, thereby realizing the sending of the low-frequency power carrier dimming signal.
In practical application, the novel direct current illumination distribution system of this scheme design also can normally work at not disposing rectifier block terminal 1, and its mode of operation is:
firstly, low-voltage direct current (600V +/-50%) enters a dimming control distribution box 2 through a direct current power transmission line respectively, electric energy is transmitted to a fourth direct current bus 204 through a fourth direct current breaker 202, and is transmitted to a fifth direct current breaker 205 through a dimming module 201 to be output outwards;
secondly, the DC electric energy output by the dimming control distribution box 2 is transmitted to the DC dimming driving power supply module 301 through a DC power transmission line, and then is subjected to voltage reduction and current stabilization by the DC dimming driving power supply module 301 and is output to the lamp 303 for power supply; meanwhile, in the dc dimming driving power module 301, the dimming signal decoupling and pickup module 3011 decouples and picks up the "dimming signal" coupled by the fifth dc circuit breaker 205 of the dimming control distribution box 2 to be a digital signal, and then the dimming signal decoupling and pickup module 3011 commands the output power adjustable module 3012 to output low-voltage dc power with different power (the voltage range may be 12V-60V, and the power range may be 10W-200W).
Finally, the fourth controller 203 in the dimming control distribution box 2 can receive a logic dimming command from a handheld intelligent communication device, a desktop computer or a portable mobile computer, or a logic dimming command edited by a touch-operable display screen externally arranged on the fourth controller 203, and sends the logic dimming command to the dimming module 201 through a data line, so as to "couple" the digital dimming signal to a power line, thereby realizing the sending of the low-frequency power carrier dimming signal.
The first dc-to-dc module 101 in this scheme is a common dc-to-dc module in the prior art, as long as the function of converting dc into dc can be realized;
the first ac-to-dc module 105 in this embodiment is a common ac-to-dc module in the prior art, as long as the function of converting ac power into dc power can be realized;
the second dc-to-dc module 109 in this embodiment is a common dc-to-dc module in the prior art, as long as the function of converting dc power into dc power can be realized;
the second ac-to-dc module 110 in this embodiment is a common ac-to-dc module in the prior art, as long as the function of converting ac power into dc power can be realized;
the dimming module 201 in the present scheme is a commonly used dimming module 201 in the prior art, as long as the dimming function can be realized;
the dimming signal decoupling pickup module 3011 in the present solution is a common dimming signal decoupling pickup module 3011 in the prior art, as long as the function of decoupling and picking up the dimming signal output by the dimming module 201 into a digital signal can be achieved;
the output power adjustable module 3012 in this embodiment is a common output power adjustable module 3012 in the prior art, and only needs to implement a function of outputting low-voltage direct currents with different powers.
To sum up, the utility model provides a novel direct current lighting power distribution system, through placing all power electronic devices in the same big distribution box (i.e. rectifier distribution box), place more than two and mutually independent dimming modules in groups in a plurality of small distribution boxes (dimming control distribution boxes), so can reduce the wiring inside a single distribution box and reduce the total volume of power distribution system equipment; modules with different functions are placed in different distribution boxes, so that separation of equipment with larger current and equipment with smaller current is realized, and reliability of the equipment is improved; the dimming modules in the dimming control distribution box are mutually independent, so that when the dimming module of a certain lighting loop is damaged, the module is only required to be replaced to complete maintenance; the dimming module in the dimming control distribution box and the direct-current dimming driving power module in the lamp loop group have the interaction capacity of coupling dimming information through a power cable, and dimming instructions can be sent to the direct-current dimming driving power module through the dimming module in a coupling signal mode through a power transmission cable, so that the adjustment of the illuminance is realized.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a novel direct current lighting power distribution system, a serial communication port, including the rectifier block terminal, rectifier block terminal electricity is connected with the dimming control block terminal more than two, every the dimming control block terminal electricity respectively is connected with the lamps and lanterns return circuit group more than two, power electronics has been placed in the rectifier block terminal, place more than two and mutually independent's module of adjusting luminance in the dimming control block terminal, lamps and lanterns return circuit group includes direct current dimming drive power supply module, direct current dimming drive power supply module is connected with the dimming control block terminal electricity that corresponds.
2. The novel direct-current lighting power distribution system according to claim 1, wherein the power electronic device comprises a first direct-current module, a first controller and a first direct-current bus, an output end of the first direct-current module is electrically connected with the first controller and an input end of the first direct-current bus respectively, the output end of the first direct-current bus is electrically connected with more than two first direct-current circuit breakers, one first direct-current circuit breaker is correspondingly connected with one dimming control distribution box, and the input end of the first direct-current module is connected with low-voltage direct current.
3. The novel direct-current lighting power distribution system according to claim 1, wherein the power electronic device comprises a first alternating-current to direct-current module, a second controller and a second direct-current bus, an output end of the first alternating-current to direct-current module is electrically connected with input ends of the second controller and the second direct-current bus respectively, output ends of the second direct-current bus are electrically connected with more than two second direct-current circuit breakers, one second direct-current circuit breaker is correspondingly connected with one dimming control distribution box, and an input end of the first alternating-current to direct-current module is connected with a low-voltage three-phase alternating current.
4. The novel direct-current lighting power distribution system according to claim 1, wherein the power electronic device comprises a second direct-current to direct-current module, a second alternating-current to direct-current module, a third controller and a third direct-current bus, an output end of the second direct-current to direct-current module is electrically connected with input ends of the third controller and the third direct-current bus respectively, an output end of the second alternating-current to direct-current module is electrically connected with input ends of the third controller and the third direct-current bus respectively, output ends of the third direct-current bus are electrically connected with more than two third direct-current circuit breakers, one of the third direct-current circuit breakers is correspondingly connected with one dimming control distribution box, an input end of the second direct-current to direct-current module is connected with low-voltage direct current, and an input end of the second alternating-current to direct-current module is connected with low-voltage three-phase alternating current;
the third controller is used for performing voltage control and current control on the second direct current-to-direct current module and the second alternating current-to-direct current module, and adjusting power distribution through output power of the second direct current-to-direct current module and output power of the second alternating current-to-direct current module.
5. The novel direct-current lighting power distribution system according to claim 1, wherein a fourth direct-current circuit breaker, a fourth controller and a fourth direct-current bus are further disposed in the dimming control power distribution box, an input end of the fourth direct-current circuit breaker is electrically connected with the rectifier power distribution box, an output end of the fourth direct-current circuit breaker is electrically connected with an input end of the fourth direct-current bus, an output end of the fourth direct-current bus is electrically connected with an input end of the dimming module, a fifth direct-current circuit breaker is electrically connected to an output end of one of the dimming modules, and an output end of the fifth direct-current circuit breaker is electrically connected with the corresponding lamp loop group;
and the fourth controller, the dimming module and the dimming signal decoupling and picking module form a coupling-decoupling type power carrier signal transmission structure.
6. The novel dc lighting power distribution system according to claim 1, wherein the lamp loop set further comprises a fifth dc bus, an input end of the fifth dc bus is electrically connected to the dimming control distribution box, an output end of the fifth dc bus is electrically connected to an input end of the dc dimming driving power module, and an output end of one of the dc dimming driving power modules is electrically connected to a corresponding lamp.
7. The novel direct-current lighting power distribution system according to claim 6, wherein the direct-current dimming driving power module comprises a dimming signal decoupling pickup module and an output power adjustable module, an input end of the dimming signal decoupling pickup module is electrically connected with an input end of the output power adjustable module and an output end of the fifth direct-current bus respectively, an output end of the dimming signal decoupling pickup module is electrically connected with an input end of the output power adjustable module, and an output end of the output power adjustable module is electrically connected with a corresponding lamp.
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| CN202022985229.9U CN213694246U (en) | 2020-12-09 | 2020-12-09 | Novel direct current illumination distribution system |
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| CN202022985229.9U CN213694246U (en) | 2020-12-09 | 2020-12-09 | Novel direct current illumination distribution system |
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