CN204131220U - Intelligent micro direct current operative power source - Google Patents
Intelligent micro direct current operative power source Download PDFInfo
- Publication number
- CN204131220U CN204131220U CN201420587980.5U CN201420587980U CN204131220U CN 204131220 U CN204131220 U CN 204131220U CN 201420587980 U CN201420587980 U CN 201420587980U CN 204131220 U CN204131220 U CN 204131220U
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- China
- Prior art keywords
- direct current
- charge controller
- casing
- power source
- switch
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Abstract
The utility model discloses a kind of intelligent micro direct current operative power source, by maintenance-free lead accumulator, intelligent high frequency charging module (Self-cooling) and input and output feeder assembly height integrated as a whole, directly substitute original direct current cabinet power supply or alternating current operation power supply, comprise casing, working station indicator, battery pack, matrix handle, exchange input switch, direct current output switch, ann silence switch, casing is provided with overvoltage/undervoltage relay, charge controller, charge controller comprises lightning protection electromagnetic interference (EMI) filter, full-bridge rectifier, PPFC (Passive Power Factor Correction) (PFC) controller, DC/DC converter, power-supply controller of electric, smoothing filter, high frequency transformer.Charge controller is provided with working station indicator, and charge controller upper end is set side by side with and exchanges input switch, direct current output switch.The utility model has the advantages such as volume is little, convenient disassembly, energy savings and cost, minimizing manpower and materials.
Description
Technical field
The invention belongs to industrial DC field of power supplies, particularly relate to a kind of intelligent micro direct current operative power source that can substitute Traditional DC screen.
Background technology
Direct current operative power source is mainly used in the occasions such as power plant, transformer station, switching station and user terminal, for primary equipment (operating mechanism as circuit breaker) and secondary meter (as New Microcomputer Line Protection Device) provide uninterrupted DC power supply reliably.Direct current operative power source is installed on the separate space of inside switch cabinet, and composition can the DC power-supply system of isolated fault, and improve the reliability of original DC power supply, also can hang wall and install, the terminal use for switch cubicle provides small-sized DC operating power.
For a long time, the divide-shut brake of high-low-voltage electrical equipment, protective device, emergency lighting have all come by direct current cabinet system, and make to use direct current cabinet once using direct current system in industry, regular size has 20AH, 40AH, 65AH direct current cabinet.But it is in fact also little in some loads; the place that secondary protector quantity is few uses direct current cabinet to there is the phenomenon of the wasting of resources; and direct current cabinet volume is large; charging module, battery service cost compare are high; remove and install and wiring all more bothersome, changing the cost safeguarded also is a very large spending for user.
Utility model content
The purpose of this utility model is to provide that a kind of volume is little, convenient disassembly, energy savings and cost, minimizing manpower and materials intelligent micro direct current operative power source.
For achieving the above object, the technical scheme that the utility model provides is: a kind of intelligent micro direct current operative power source, comprise casing, working station indicator, battery pack, exchange input switch, direct current output switch, described battery pack is arranged in casing, described casing is provided with overvoltage/undervoltage relay, charge controller, described charge controller comprises lightning protection electromagnetic interference (EMI) filter, full-bridge rectifier, PPFC (Passive Power Factor Correction) (PFC) controller, DC/DC converter, power-supply controller of electric, smoothing filter, described power-supply controller of electric is responsible for pulse width modulation (PWM) signal and is produced and control, ensure stable output, module each several part is protected simultaneously, there is provided interface protection: communication interface, overheat protector, sharing control, output overvoltage, output current limiting, output short circuit protection.
Preferably, described charge controller adopts tapping screw to be fixed on cabinet shell.
Preferably, described charge controller rear end adopts hot plug terminal, and certain length reserved by charge controller rear terminal line, can realize charge controller in the outer hot plug of casing.
Preferably, the wainscot of described casing is provided with ann silence switch, overvoltage/undervoltage relay alarm function is after setting, and when breaking down, inner buzzer sends alerting tone, realizes closing alarm sound by ann silence switch.
Preferably, described casing is also provided with triangular key, radiator fan, blinds thermovent, described radiator fan is positioned at directly over charge controller, is connected with casing, and triangular key and blinds thermovent are arranged on casing offside door panel.
A technical scheme tool in technique scheme has the following advantages or beneficial effect:
1, volume ratio direct current cabinet is much little, transport, safeguards, dismounting, installs and decrease manpower and materials, but function is but the same with direct current cabinet, and placing space is random, can be positioned over high-low pressure cabinet top, also can wall hanging on wall, do not take up space.
2, cost has been saved.Functionally original at maintenance direct current cabinet, not only save production cost, decreased working service cost, for the developing direction that industrial DC system is later provides a reference direction.Direct current cabinet battery maintenance in the past, live part maintenance is a very large spending, and the maintenance of intelligent micro direct current operative power source is simple and convenient, safety, and wiring is uncomplicated, and maintenance cost is over half lower than general direct current cabinet.Save the accident maintenance time, can work under various mal-condition.
3, low-power consumption, high-effect.Charge circuit is designed to the advanced PWM pulse modulation technology in the whole world, and circuit performance is up to 98%.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, simple introduction is done below by the accompanying drawing used required in embodiment or description of the prior art, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, 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.
Accompanying drawing 1 is the perspective view of the utility model embodiment;
Accompanying drawing 2 is the battery pack front view of the utility model embodiment;
Accompanying drawing 3 is the charge controller operation principle block diagram of the utility model embodiment;
In figure, 1, casing; 2, overvoltage/undervoltage relay; 3, radiator fan; 4, input switch is exchanged; 5, charge controller; 6, working station indicator; 7, triangular key; 8, blinds thermovent; 9, battery pack; 10, direct current output switch.
Embodiment
The intelligent micro direct current operative power source that the utility model provides is also known as distributed DC power or embedded DC power supply, minisize dc operating power is by integrated as a whole to maintenance-free lead accumulator, intelligent high frequency charge controller (Self-cooling) and input and output feeder assembly height, export 220V(or 110V) direct current operative power source device, be equivalent to 7.2AH/220V(or 110V) high frequency switch power DC power supply, directly substitute original direct current cabinet power supply or alternating current operation power supply.
The feature of the intelligent micro direct current operative power source that the utility model provides be can the spring mechanism energy storage of Direct driver circuit breaker (or on-load switch), separating brake, combined floodgate, be specially adapted to the vacuum circuit-breaker of the models such as VD4, VS1; Charging module adopts high frequency switch power technology, and volume is little, lightweight; Built-in maintenance free cell, the long-life, preparation time is long; Automatically to charge in batteries, ensure that battery is sufficient; Reasonable in design, easy care, is convenient to observe.
The working temperature of the intelligent micro direct current operative power source that the utility model provides :-5 DEG C-+40 DEG C, storage temperature :-15 DEG C-+40 DEG C, relative humidity: 10%-90% without condensation, atmospheric pressure: 80-106KPa.
Nominal input voltage: 220VAC, 50Hz; Output voltage: 220VDC(or 110VDC); Output capacity: (10H) 600W, instantaneous output (3s) 8500W continuously; Complete machine weight: 60Kg/ overlaps (220VDC), and 40Kg/ overlaps (110VDC); Be suitable for high-tension switch cabinet quantity: 6 and following; Alarm is adjusted: arbitrary value in operating voltage range.
Use novel embodiment to make below in conjunction with accompanying drawing to this to elaborate further.
As shown in Figure 1 and Figure 2, a kind of intelligent micro direct current operative power source, comprise casing 1, working station indicator 6, battery pack 9, matrix handle (not shown), interchange input switch 4, direct current output switch 10, matrix handle are arranged on the both sides of casing 1, and can realize portable transportation, battery pack 9 is arranged in casing 1, as shown in Figure 3, the door face board opening casing 1 can see battery pack 9.Casing 1 is provided with overvoltage/undervoltage relay 2, charge controller 5; as shown in Figure 3; charge controller 5 comprises lightning protection electromagnetic interference (EMI) filter, full-bridge rectifier, PPFC (Passive Power Factor Correction) (PFC) controller, DC/DC converter, power-supply controller of electric, smoothing filter; power-supply controller of electric is responsible for pulse width modulation (PWM) signal and is produced and control; ensure stable output; module each several part is protected simultaneously; there is provided interface protection: communication interface; overheat protector; sharing control, output overvoltage, output current limiting, output short circuit protection.Charge controller 5 is provided with working station indicator 6, and charge controller 5 upper end is set side by side with and exchanges input switch 4, direct current output switch 10.
Charge controller 5 adopts tapping screw to be fixed on casing 1 shell, only needs cross-shaped knife light to twist,
Just control module can be unloaded.
Charge controller 5 rear end adopts hot plug terminal, and certain length reserved by charge controller 5 rear terminal line, can realize charge controller 5 in the outer hot plug of casing 1.
The wainscot of casing 1 is provided with ann silence switch (not shown), overvoltage/undervoltage relay 2 alarm function is after setting, and when breaking down, inner buzzer sends alerting tone, can realize closing alarm sound by ann silence switch.
Casing 1 is also provided with triangular key 7, radiator fan 3, blinds thermovent 8, radiator fan 3 is positioned at directly over charge controller 5, is connected with casing 1.Triangular key 7 and blinds thermovent 8 are arranged on casing 1 offside door panel.
As shown in Figure 2, during charge controller work, exchange input first through lightning protection EMI filtering, this partial circuit effectively can absorb thunderbolt residual voltage and electric network peak, the safety of logical level circuit after ensureing module.Exchange and convert high voltage direct current to after full-bridge rectification; then passive PFC is carried out; through pwm pulse width modulated, signal is reached DC/DC converter; convert pulsating direct current to; after pwm pulse width modulation circuit, pulsating direct current is converted to high-frequency ac full-bridge rectification after high frequency transformer isolated buck again, exports through smothing filtering protection.Charge controller power control part is responsible for pwm signal and is produced and control, and ensures stable output, protects simultaneously to module each several part; there is provided " four is distant " interface protection: communication interface; overheat protector, sharing control, output overvoltage, output current limiting, output short circuit protection.Use high-frequency soft switch technology, module converts efficiency improves greatly, reaches as high as 93%.
The defencive function of power control part can reach following several protection:
Output over-voltage protection: output voltage is too high can cause catastrophic failure to power consumption equipment, occur for stopping this type of situation, overvoltage crowbar is had in module, after there is overvoltage, module is automatically locked, corresponding module malfunction indicator lamp is bright, and malfunctioning module is automatically deactivated and do not affected whole system and normally runs; Over-voltage protection point is set to 235V(110V: corresponding 124V).
Output current limiting is protected: the power output of each module is restricted, and output current can not infinitely increase, and therefore each module output current maximum limit is made as 105 times of output-current rating, if excess load, module turns down output voltage automatically with protection module.
Output short circuit protection: during output short-circuit, module is pulled down to zero in moment output voltage, and limiting short-circuit current is under current-limiting points, and now module power output is very little, to reach the object of protection module.Module can long-term work in short-circuit condition, can not damage, after fixing a breakdown, module can be resumed work automatically.
Wired in parallel is protected: each inside modules all has parallel connection protection circuit, and absolute guarantee's malfunctioning module logs off automatically, and does not affect other normal module work.
Overheat protector: overheat protector mainly protects great power conversion circuit device; junction temperature and the current overload ability of these devices all have safe limit value; under normal operation; system leaves enough surpluses; under some particular surroundingss; in the situations such as too high in ambient temperature, blower fan stall, automatic shutdown protection when module detects radiator temperature more than 80 DEG C, when temperature is reduced to 75 DEG C, module starts automatically.
Overcurrent protection: great power conversion circuit device is mainly protected in overcurrent protection, in each cycle of unsteady flow, if exceed device by electric current to bear electric current, closes power device, reaches the object of protection power device.Overcurrent protection can recover automatically.Principle is each module current-sharing unit collection module output current separately, and amplify by same amplification coefficient, output on current equalizing bus bar, each current-sharing unit compares busbar voltage, and adjustment module output voltage after error is amplified, makes each module output current reach unanimity.Make its load-sharing degree of unbalance be less than 3%, be better than ministry standard 5%.During module failure, automatically disengage current equalizing bus bar.
Apply specific embodiment herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.The above is only preferred implementation of the present utility model, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the art those of ordinary skill, under the prerequisite not departing from the utility model principle, some improvement, retouching or change can also be made, also above-mentioned technical characteristic can be combined by rights; These improve retouching, change or combination, or the design of utility model and technical scheme are directly applied to other occasion without improving, and all should be considered as protection range of the present utility model.
Claims (5)
1. an intelligent micro direct current operative power source, comprise casing, working station indicator, battery pack, exchange input switch, direct current output switch, described battery pack is arranged in casing, it is characterized in that: described casing is provided with overvoltage/undervoltage relay, charge controller, described charge controller comprises lightning protection electromagnetic interference (EMI) filter, full-bridge rectifier, PPFC (Passive Power Factor Correction) (PFC) controller, DC/DC converter, power-supply controller of electric, high frequency transformer, smoothing filter, described power-supply controller of electric is responsible for pulse width modulation (PWM) signal and is produced and control, ensure stable output, module each several part is protected simultaneously, there is provided interface protection: communication interface, overheat protector, sharing control, output overvoltage, output current limiting, output short circuit protection.
2. a kind of intelligent micro direct current operative power source according to claim 1, is characterized in that described charge controller adopts tapping screw to be fixed on cabinet shell.
3. intelligent micro direct current operative power source according to claim 1, it is characterized in that described charge controller rear end adopts hot plug terminal, certain length reserved by charge controller rear terminal line, can realize charge controller in the outer hot plug of casing.
4. a kind of intelligent micro direct current operative power source according to claim 1, the wainscot that it is characterized in that described casing is provided with ann silence switch, overvoltage/undervoltage relay alarm function is after setting, when breaking down, inner buzzer sends alerting tone, realizes closing alarm sound by ann silence switch.
5. a kind of intelligent micro direct current operative power source according to claim 1, it is characterized in that described casing is also provided with triangular key, radiator fan, blinds thermovent, described radiator fan is positioned at directly over charge controller, be connected with casing, triangular key and blinds thermovent are arranged on casing offside door panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587980.5U CN204131220U (en) | 2014-10-13 | 2014-10-13 | Intelligent micro direct current operative power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587980.5U CN204131220U (en) | 2014-10-13 | 2014-10-13 | Intelligent micro direct current operative power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204131220U true CN204131220U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420587980.5U Expired - Fee Related CN204131220U (en) | 2014-10-13 | 2014-10-13 | Intelligent micro direct current operative power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204131220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515108A (en) * | 2015-12-31 | 2016-04-20 | 广东中研能源有限公司 | Large-power charging pile having two-cavity three-door cabinet body |
| CN112217264A (en) * | 2020-10-21 | 2021-01-12 | 阳光电源股份有限公司 | Charging pile and charging unit thereof |
-
2014
- 2014-10-13 CN CN201420587980.5U patent/CN204131220U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515108A (en) * | 2015-12-31 | 2016-04-20 | 广东中研能源有限公司 | Large-power charging pile having two-cavity three-door cabinet body |
| CN112217264A (en) * | 2020-10-21 | 2021-01-12 | 阳光电源股份有限公司 | Charging pile and charging unit thereof |
| EP3989389A1 (en) * | 2020-10-21 | 2022-04-27 | Sungrow Power Supply Co., Ltd. | Charging pile and charging unit thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20191013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |