CN102856972A - Monitoring system utilizing power stored by capacitor - Google Patents
Monitoring system utilizing power stored by capacitor Download PDFInfo
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- CN102856972A CN102856972A CN2011101787186A CN201110178718A CN102856972A CN 102856972 A CN102856972 A CN 102856972A CN 2011101787186 A CN2011101787186 A CN 2011101787186A CN 201110178718 A CN201110178718 A CN 201110178718A CN 102856972 A CN102856972 A CN 102856972A
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Abstract
The invention discloses a monitoring system utilizing power stored by a capacitor. The monitoring system comprises a power source module, a processing module and an alternating-current detection module. The power source module is provided with a power storage capacitor, the alternating-current detection module is used for detecting whether alternating-current power of the power source module is normal or abnormal, the processing module is used for processing and controlling according to detection results, and power stored in the power storage capacitor of the power source module can be released to supply for the monitoring system for a certain time when the alternating-current power cannot be supplied normally. The monitoring system can be supplied with power continuously for a certain time by the power storage capacitor even when the external power input is in failure, and disadvantages caused by utilizing storage batteries are avoided.
Description
Technical field
The present invention relates to the supply of electric power technology, particularly relate to a kind of supervisory control system of using the standby electricity of electric capacity.
Background technology
At little base station, FTTX(Fiber-to-the-x, optical fiber access) the outdoor application places such as outdoor cabinet, in most cases only has AC power, when occuring to have a power failure, need to carry out the work that data are promptly stored, the mains failure alarm signal reports and other need to promptly carry out when having a power failure, prior art adopts battery to keep equipment for electric scheme and works on a period of time.Because the outdoor cabinet environment is abominable, Seasonal Temperature Difference is large, high temperature can reach more than 70 ℃, low temperature can reach below-10 ℃, under this harsher service condition, the life-span of battery and capacity all can be had a strong impact on, even have the possibility of causing danger, these limitation to affect easily the just standing electricity of equipment.
Summary of the invention
Main purpose of the present invention is exactly for the deficiencies in the prior art, and a kind of supervisory control system of using the standby electricity of electric capacity is provided, and this system can keep the power supply of a period of time when alternating current is improper, and the shortcoming of not using the standby electricity of battery to bring.
For achieving the above object, the present invention is by the following technical solutions:
A kind of supervisory control system of using the standby electricity of electric capacity, comprise power module and processing module, also further comprise the alternating current detection module, described power module has standby electric capacity, whether described alternating current detection module is normal for detection of the alternating current input of described power module, described processing module is used for processing and controlling according to testing result, and the described standby electric capacity of described power module discharges its accumulate when the alternating current input can not normal power supply can be to continue to keep the power supply of a period of time to described system.
Described power module can comprise AC/DC Switching Power Supply or DC/DC Switching Power Supply.
Described Switching Power Supply can for anti-swash, Buck or forward topology.
Described Switching Power Supply can comprise input filter circuit, converter and output filter circuit, and described standby electric capacity can be the electric capacity in described input filter circuit and/or the described output filter circuit.
Described converter can be circuit of reversed excitation, and described Switching Power Supply also comprises the rectification module that is positioned at described input filter circuit prime.
Described standby electric capacity disposes according to following condition: stored energy was not less than 0.5J/W with the ratio of described power module rated output power when it initially released the energy state.
Described system can also comprise wireless communication module, and described system sends and/or receive data to far-end by described wireless communication module.
The communication mode of described wireless communication module communication can be GPRS mode, CDMA mode and SMS messaging mode etc.
When alternating current input can not normal power supply, described system can comprise the power failure warning information by the data that described wireless communication module sends.
Described system can also comprise the environment parameter pick-up transducers, is used for gathering surrounding environment parameter information and offering described processing module.
Described system can be little base station or FTTX outdoor cabinet equipment.
The technique effect that the present invention is useful is:
The ingenious characteristic of capacitance energy storage and discharge of utilizing of the present invention realizes that the power supply of supervisory control system is standby electric, the power module of system has standby electric capacity, system also is provided with the alternating current detection module, when external communication input improper during such as power down, system relies on battery to make its equipment keep the work of a period of time by capacitor discharge rather than as in the past, thereby this system can utilize standby electric capacity institute accumulate can finish the work that the emergency alert signals such as data are promptly stored, mains failure alarm report and need promptly carry out when having a power failure.Compare with the standby electricity of battery, the present invention adopts the advantage of the standby electricity of electric capacity to be that the operating temperature range of electric capacity is wide, affected by environment very little, do not have the memory effect of battery, the life-span is long, therefore, can effectively improve the reliability of standby electricity, and electric capacity improves capacity easily than battery, therefore is conducive to improve the standby electric weight of system.The present invention especially suits for outdoor electricity consumption application scenarios such as little base station, FTTX outdoor cabinet equipment.
Description of drawings
Fig. 1 is the structural representation of an embodiment of supervisory control system of the present invention;
Fig. 2 is the structural representation of another embodiment of supervisory control system of the present invention;
Fig. 3 is the structural representation with embodiment of power module of standby electric capacity.
Embodiment
The present invention is further described in detail by embodiment below in conjunction with accompanying drawing.
Consult Fig. 1, the supervisory control system of a kind of embodiment comprises power module, processing module and alternating current detection module.Wherein, described power module has standby electric capacity, can be referred to as the power module of the standby electricity of electric capacity, whether described alternating current detection module is normal for detection of the alternating current input of described power module, described processing module for example is the CPU(CPU), it is processed and controls according to testing result.The described standby electric capacity of described power supply can not discharge its accumulate energy during normal power supply in the alternating current input, described system is continued to keep the power supply of a period of time.Therefore, the standby electricity of supervisory control system can not rely on battery, and standby electric capacity is affected by environment very little, and the life-span is long, can obtain very high standby electric weight, has effectively improved the reliability of the standby electricity of system.
The capacity of electric capacity is determined by operating voltage and power output (system power dissipation demand) in the general power supply, and the factors such as the required power of the work that the capacity of described standby electric capacity need to be finished during by operating voltage and power output, power down (as report etc.) and time are determined jointly.
In a preferred embodiment, described standby electric capacity disposes according to following condition: stored energy was not less than 0.5J/W with the ratio of described power module rated output power when it initially released the energy state.According to such distributing rationally, adopting suitably, the electric capacity of size just can reach rationally effectively standby electric effect.
Should be understood that the present invention does not get rid of the use for standby battery, that is, on the basis of having adopted standby electric capacity, in system, set up in addition standby battery, also belong to protection scope of the present invention.
Typically, described supervisory control system can be the outdoor monitoring systems such as little base station or FTTX outdoor cabinet equipment.
Consult Fig. 2, in preferred embodiment, described supervisory control system also comprises wireless communication module, and system sends and/or receive data to far-end by described wireless communication module.The communication mode of described wireless communication module communication can be GPRS mode, CDMA mode and SMS messaging mode etc.More preferably, when alternating current input can not normal power supply, described system comprised the power failure warning information by the data that described wireless communication module sends.
In the course of work, when detecting the electric main power down, the alternating current detection module sends power-off signal to processing module, owing to there has not been the alternating current input this moment, the needed electric energy of system is provided by the standby electric capacity in the power module and works on a period of time on its basis, processing module receives after the power-off signal, the electric energy that utilizes standby electric capacity to discharge, control carry out the emergency data storage and with power cut signal with work such as communication report.
Consult Fig. 2, in preferred embodiment, described system also comprises the environment parameter pick-up transducers, is used for gathering surrounding environment parameter information and offering described processing module.The environment parameter pick-up transducers can be one or more, and the latter can comprise similar or inhomogeneous transducer, and the environment parameter that gathers for example is temperature, humidity etc.
In some embodiments, described power module can comprise AC/DC Switching Power Supply or DC/DC Switching Power Supply.
Described Switching Power Supply can for anti-swash, Buck or forward topology, its concrete topology should not be restricted.
Consult Fig. 3, in an embodiment, described Switching Power Supply comprises input filter circuit, converter and output filter circuit, described standby electric capacity can be the electric capacity in described input filter circuit and/or the described output filter circuit, i.e. standby electric capacity combination in input, output element place or separately placement all can.
More specifically, described converter can be circuit of reversed excitation, and described Switching Power Supply also comprises the rectification module that is positioned at described input filter circuit prime.
For example, be chosen in small-power and instead swash the electric capacity that power input adopts the 470uF capacity.Under the input voltage 220VAC condition, can keep output about 10 seconds after the outage, can detect the civil power power down by the alternating current detection module in during this period of time, and have wireless module to finish alarm report.
Can select various electric capacity as standby electric capacity, such as electrochemical capacitor, super capacitor, tantalum electric capacity etc., the type of electric capacity should not be restricted.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (11)
1. one kind is used the standby electric supervisory control system of electric capacity, comprise power module and processing module, it is characterized in that, described system also comprises the alternating current detection module, described power module has standby electric capacity, whether described alternating current detection module is normal for detection of the alternating current input of described power module, described processing module is used for processing and controlling according to testing result, and the described standby electric capacity of described power module discharges its accumulate when the alternating current input can not normal power supply can be to continue to keep the power supply of a period of time to described system.
2. the system as claimed in claim 1 is characterized in that, described power module comprises AC/DC Switching Power Supply or DC/DC Switching Power Supply.
3. system as claimed in claim 2 is characterized in that, described Switching Power Supply be anti-swash, Buck or forward topology.
4. such as each described system of claim 2, it is characterized in that described Switching Power Supply comprises input filter circuit, converter and output filter circuit, described standby electric capacity is the electric capacity in described input filter circuit and/or the described output filter circuit.
5. system as claimed in claim 4 is characterized in that, described converter is circuit of reversed excitation, and described Switching Power Supply also comprises the rectification module that is positioned at described input filter circuit prime.
6. such as each described system of claim 1 to 5, it is characterized in that described standby electric capacity disposes according to following condition: stored energy was not less than 0.5J/W with the ratio of described power module rated output power when it initially released the energy state.
7. such as each described system of claim 1 to 5, it is characterized in that, also comprise wireless communication module, described system sends and/or receive data to far-end by described wireless communication module.
8. system as claimed in claim 7 is characterized in that, the communication mode of described wireless communication module communication comprises GPRS mode, CDMA mode and SMS messaging mode.
9. system as claimed in claim 7 is characterized in that, when alternating current input can not normal power supply, described system comprised the power failure warning information by the data that described wireless communication module sends.
10. such as each described system of claim 1 to 5, it is characterized in that, also comprise the environment parameter pick-up transducers, be used for gathering surrounding environment parameter information and offering described processing module.
11. such as claim 1 to 5 system as described in each, it is characterized in that described system is little base station or FTTX outdoor cabinet equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101787186A CN102856972A (en) | 2011-06-29 | 2011-06-29 | Monitoring system utilizing power stored by capacitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101787186A CN102856972A (en) | 2011-06-29 | 2011-06-29 | Monitoring system utilizing power stored by capacitor |
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| CN102856972A true CN102856972A (en) | 2013-01-02 |
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| CN2011101787186A Pending CN102856972A (en) | 2011-06-29 | 2011-06-29 | Monitoring system utilizing power stored by capacitor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691458A (en) * | 2004-04-21 | 2005-11-02 | 华为技术有限公司 | Grading power supply system of base station system and method |
| CN101232201A (en) * | 2006-11-10 | 2008-07-30 | 得逻辑公司 | Supercapacitor backup power supply with bi-directional powerflow |
| CN101999255A (en) * | 2008-04-29 | 2011-03-30 | 索尼爱立信移动通讯有限公司 | Arrangement relating power backup and method for power backup |
-
2011
- 2011-06-29 CN CN2011101787186A patent/CN102856972A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691458A (en) * | 2004-04-21 | 2005-11-02 | 华为技术有限公司 | Grading power supply system of base station system and method |
| CN101232201A (en) * | 2006-11-10 | 2008-07-30 | 得逻辑公司 | Supercapacitor backup power supply with bi-directional powerflow |
| CN101999255A (en) * | 2008-04-29 | 2011-03-30 | 索尼爱立信移动通讯有限公司 | Arrangement relating power backup and method for power backup |
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Application publication date: 20130102 |