CN203933429U - The balanced output of multichannel adaptive power 50V DC power supply - Google Patents
The balanced output of multichannel adaptive power 50V DC power supply Download PDFInfo
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- CN203933429U CN203933429U CN201420098842.0U CN201420098842U CN203933429U CN 203933429 U CN203933429 U CN 203933429U CN 201420098842 U CN201420098842 U CN 201420098842U CN 203933429 U CN203933429 U CN 203933429U
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- power supply
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Abstract
The utility model proposes the balanced output of a kind of multichannel adaptive power 50V DC power supply, it comprises Industrial Frequency Transformer, voltage stabilizing rectification module and multichannel output, and it also comprises CPU, battery pack, switching tube and temperature sensor.Adopt this multichannel adaptive power balanced output 50V DC power supply and control method thereof can on gross power is no more than the basis of this power supply overload capacity, carry out the output of multichannel power equalization, can avoid power redundancy, realize target energy-conservation and minimizing power volume.
Description
Technical field
The utility model relates to the balanced output of a kind of multichannel adaptive power 50V DC power supply.
Background technology
The DC power supply of the occasions such as electric power system at present, telecommunications room, mobile base station generally DC power supply or expensive communication power supply independent by various structures, function singleness forms, cost is higher on the one hand, volume is large, producer disperses, integration is bad, on the other hand in engineering construction or transformation process, normally do not have systems organization ground to add arbitrarily some power modules, cause fail safe deficiency.Therefore, need at present a kind of DC power supply with multichannel output.
In prior art, the DC power supply that meets multichannel output is generally the combination by multiple large power, electrically source modules, or by multichannel power redundancy.If by multiple large power, electrically source module combinations, need power module quantity too many, cause the volume of whole power supply larger, and cost be higher; If by multichannel power redundancy, gross power redundancy is too large, causes energy waste.
Utility model content
A technical problem to be solved in the utility model is, overcome the defect of prior art, provide one not need multiple power module combinations, and can the equilibrium of self adaptation maximum power export, avoided the balanced output of the multichannel adaptive power 50V DC power supply of multichannel power redundancy.
For solving the problems of the technologies described above, the utility model proposes the balanced output of a kind of multichannel adaptive power 50V DC power supply, it comprises Industrial Frequency Transformer, voltage stabilizing rectification module and multichannel output, it also comprises CPU, battery pack, switching tube and temperature sensor, described Industrial Frequency Transformer is connected with multichannel output by voltage stabilizing rectification module, for multi-channel DC Voltage-output, described voltage stabilizing rectification module is also connected with battery pack, be used for to batteries charging, described battery pack is connected with multichannel output by switching tube, for the power supply that affords redress to output, described CPU respectively with switching tube, multichannel output and temperature sensor connect, described temperature sensor is contained on Industrial Frequency Transformer, be used for detecting Industrial Frequency Transformer temperature, described CPU makes battery pack do compensation power supply to multichannel output by the break-make of control switch pipe, described CPU also measures the voltage and current on multichannel output Zhong Mei road.
Adopt after said structure, the utlity model has following advantage:
The utility model is by detecting in real time electric current and the voltage swing of multichannel output, thereby calculate the power of every road output, the power output on Dang You mono-tunnel is larger, when the power summation of Qie Ge road output is greater than rated output power and is less than overload rating power, CPU control switch pipe carries out break-make by certain frequency, thereby make battery pack that backlash compensation is provided, and detect the temperature of Industrial Frequency Transformer by temperature sensor, and according to the duty ratio of temperature adjustment switching tube break-make, thereby can make power supply within the scope of transformer temperature permission, do maximum power output, if when the power summation of each road output is greater than overload rating power, CPU control switch pipe is logical, provide Continuous Compensation by battery pack, and continue for some time t, if after the t time, the power summation of each road output is still greater than overload rating power, close a prominent road output in multichannel output, and report to the police.Adopt this DC power supply with multichannel output can on gross power is no more than the basis of this power supply overload capacity, carry out the output of multichannel power equalization, can avoid power redundancy, realize energy-conservation and reduce the target of power volume.
Described CPU is also connected with battery pack.
Brief description of the drawings
Fig. 1 is the frame principle figure of the balanced output of the utility model multichannel adaptive power 50V DC power supply;
Fig. 2 is the control flow chart of the Poewr control method of the balanced output of the utility model multichannel adaptive power 50V DC power supply.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 1, the utility model provides the balanced output of a kind of multichannel adaptive power 50V DC power supply, it comprises Industrial Frequency Transformer, voltage stabilizing rectification module and multichannel output, it is characterized in that: it also comprises CPU, battery pack, switching tube and temperature sensor, described Industrial Frequency Transformer is connected with multichannel output by voltage stabilizing rectification module, for multi-channel DC Voltage-output, described voltage stabilizing rectification module is also connected with battery pack, be used for to batteries charging, described battery pack is connected with multichannel output by switching tube, for the power supply that affords redress to output, described CPU respectively with switching tube, multichannel output and temperature sensor connect, described temperature sensor is contained on Industrial Frequency Transformer, be used for detecting Industrial Frequency Transformer temperature, described CPU makes battery pack do compensation power supply to multichannel output by the break-make of control switch pipe, described CPU also measures the voltage and current on multichannel output Zhong Mei road.In the present embodiment, CPU detects the output current of every road before compensation access point in real time by Hall element, detect the output voltage of the front end of the compensation point access on every road by voltage sample simultaneously, then according to the output power control method driving switch pipe of setting, control the output on every road in CPU.Industrial Frequency Transformer is used for connecing civil power, and civil power transformation is become to needed voltage, and forms the output of multichannel galvanic current pressure by voltage stabilizing rectification module.Described most output has just referred to multi-channel output.
Described CPU is also connected with battery pack.
The DC power supply of described multichannel output also comprises alarm module, and described alarm module is connected with CPU.If power output summation continues to exceed the overload rating power of power supply, close the Gao mono-tunnel output of power, and report to the police.
The utility model also proposes the Poewr control method of the balanced output of a kind of multichannel adaptive power 50V DC power supply, and it comprises the following steps:
It is P0 that step (1) arranges power supply complete machine rated output power, and complete machine overload rating power is Ph, the instantaneous output Pn on certain road;
Step (2) detects the each road of power supply in real time output current and voltage signal at compensation access point front end, calculate the instantaneous output Pn on every road according to output current and voltage signal;
Step (3), if the power sum ∑ Pn of the instantaneous output in each road is less than or equal to P0, keeps output, does not make any adjustments; If the power sum ∑ Pn of the instantaneous output in each road is greater than P0 and is less than or equal to Ph, provide backlash compensation power supply by battery pack to the maximum Yi of power output road; If ∑ Pn is greater than Ph, provide Continuous Compensation power supply by battery pack to the maximum Yi of power output road;
Step (4) compensates in the process of power supply on a certain road, constantly detect the value of ∑ Pn, if ∑ Pn is less than or equal to P0, keep compensating coefficient, other outputs are not processed, if ∑ Pn is greater than P0 and is less than or equal to Ph, provide backlash compensation to the maximum Yi of instantaneous output road in other remaining each roads, if ∑ Pn is still greater than Ph, provide Continuous Compensation to a prominent road of instantaneous output in other remaining roads;
Step (5) repeating step (4), until ∑ Pn is less than or equal to P0.
Described battery pack provides backlash compensation to refer to, by pulsed ground on-off switch management and control battery pack parallel powering processed, transformer or complete machine a period of time are operated under the state within rated output power P0, another section of time service exceeding rated output power P0 but do not exceeding under the state of specified overload power Ph, and detect the temperature T of transformer by temperature sensor, if temperature T does not exceed setting range, to maintain this backlash compensation process, if temperature T exceeds setting range, report to the police and cut off this road output.Can within safe range, realize maximum power output at guarantee transformer temperature like this.
Described Continuous Compensation power supply refers to, turn on-switch pipe makes battery pack compensate the power supply of Yi road to needs, and continue for some time t, detect cell voltage Vb and transformer temperature T simultaneously, after the t time, the instantaneous battery of closing compensates power supply, if the power output ∑ Pn on this road is less than Ph, cut-off switch pipe, stop Continuous Compensation, reexamine and whether need backlash compensation, if ∑ Pn is still more than or equal to Ph, and cell voltage Vb and transformer temperature T do not exceed setting range, time t resets, otherwise, if cell voltage Vb or transformer temperature T exceed setting range, and ∑ Pn is still greater than Ph, close this road output, and report to the police.
After adopting said structure and method, can on gross power is no more than the basis of this power supply overload capacity, carry out the output of multichannel power equalization, can avoid power redundancy, realize energy-conservation and reduce the target of power volume.
Claims (3)
1. the balanced output of a multichannel adaptive power 50V DC power supply, it comprises Industrial Frequency Transformer, voltage stabilizing rectification module and multichannel output, it is characterized in that: it also comprises CPU, battery pack, switching tube and temperature sensor, described Industrial Frequency Transformer is connected with multichannel output by voltage stabilizing rectification module, for multi-channel DC Voltage-output, described voltage stabilizing rectification module is also connected with battery pack, be used for to batteries charging, described battery pack is connected with multichannel output by switching tube, for the power supply that affords redress to output, described CPU respectively with switching tube, multichannel output and temperature sensor connect, described temperature sensor is contained on Industrial Frequency Transformer, be used for detecting Industrial Frequency Transformer temperature, described CPU makes battery pack do compensation power supply to multichannel output by the break-make of control switch pipe, described CPU also measures the voltage and current on multichannel output Zhong Mei road.
2. the balanced output of multichannel adaptive power according to claim 1 50V DC power supply, is characterized in that: it also comprises alarm module, and described alarm module is connected with CPU.
3. the balanced output of multichannel adaptive power according to claim 1 50V DC power supply, is characterized in that: described CPU is also connected with battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098842.0U CN203933429U (en) | 2014-03-05 | 2014-03-05 | The balanced output of multichannel adaptive power 50V DC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098842.0U CN203933429U (en) | 2014-03-05 | 2014-03-05 | The balanced output of multichannel adaptive power 50V DC power supply |
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| CN203933429U true CN203933429U (en) | 2014-11-05 |
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| CN201420098842.0U Expired - Fee Related CN203933429U (en) | 2014-03-05 | 2014-03-05 | The balanced output of multichannel adaptive power 50V DC power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904918A (en) * | 2014-03-05 | 2014-07-02 | 象山元明光电科技有限公司 | Multi-channel self-adaptive power balance output 50 V direct current power source and power control method thereof |
| CN104821634A (en) * | 2015-05-26 | 2015-08-05 | 黑龙江大学 | Lithium battery multiple-path low-voltage DC power supply system with electric quantity detection and method for realizing electric quantity detection by utilizing same |
-
2014
- 2014-03-05 CN CN201420098842.0U patent/CN203933429U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904918A (en) * | 2014-03-05 | 2014-07-02 | 象山元明光电科技有限公司 | Multi-channel self-adaptive power balance output 50 V direct current power source and power control method thereof |
| CN103904918B (en) * | 2014-03-05 | 2017-02-08 | 象山元明光电科技有限公司 | Multi-channel self-adaptive power balance output 50 V direct current power source and power control method thereof |
| CN104821634A (en) * | 2015-05-26 | 2015-08-05 | 黑龙江大学 | Lithium battery multiple-path low-voltage DC power supply system with electric quantity detection and method for realizing electric quantity detection by utilizing same |
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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: 20141105 Termination date: 20150305 |
|
| EXPY | Termination of patent right or utility model |