CN203312887U - DC emergency power supply - Google Patents

DC emergency power supply Download PDF

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Publication number
CN203312887U
CN203312887U CN201320389204XU CN201320389204U CN203312887U CN 203312887 U CN203312887 U CN 203312887U CN 201320389204X U CN201320389204X U CN 201320389204XU CN 201320389204 U CN201320389204 U CN 201320389204U CN 203312887 U CN203312887 U CN 203312887U
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China
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module
output
voltage
battery module
battery
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CN201320389204XU
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Chinese (zh)
Inventor
徐国建
孙三战
张朋卫
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中国移动通信集团河南有限公司
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Priority to CN201320389204XU priority Critical patent/CN203312887U/en
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Abstract

The utility model discloses a DC emergency power supply. The DC emergency power supply includes a control module, a charging module, a storage battery module and a boosting output module, wherein the control module is connected with a voltage output terminal of an electric supply, the charging module and the storage battery module separately and is used for controlling the charging module to charge the storage battery module until the electric quantity of the storage battery module is no smaller than a predetermined second threshold value when that electric quantity of the storage battery is smaller than a first threshold value is detected. The first threshold value is smaller than the second threshold value. Besides, when that the electric supply is in an interrupted state is detected, the storage battery module is controlled to output required voltage to a load through the boosting output module. According to the utility model, since the charging module only performs high-power quick charge to the storage battery module when the electric quantity of the storage battery module is smaller than the first threshold value and stops charging when the electric quantity of the storage battery module is no smaller than the second threshold value, charging efficiency of the DC emergency power supply can be improved, integral power consumption of the DC emergency power supply can be reduced, and therefore an effect of improving integral performance of the DC emergency power supply is realized.

Description

A kind of DC standby power
Technical field
The utility model relates to the communication power supply technical field, relates in particular to a kind of applicable to WLAN(Wireless Local Area Network, WLAN (wireless local area network)) DC standby power of switch.
Background technology
At present, industry stand-by power supply commonly used mainly can be divided into two kinds of backup type stand-by power supply and online stand-by power supplies, wherein, described backup type stand-by power supply also can be described as non-online stand-by power supply, be at ordinary times battery state of charge, inverter circuit promptly is switched to operating state when mains failure, and the direct current that battery is provided changes stable alternating current output into, therefore and be not suitable for the pattern that power supply can not be interrupted because there is certain switching time in the backup type stand-by power supply; Described online stand-by power supply is when work, at first civil power being converted into to direct current charges the battery, inverter circuit is that alternating current is load supplying by this DC inverter simultaneously, namely, the inverter circuit of described online stand-by power supply remains in working order, therefore, and when mains failure, stand-by power supply can be converted into alternating current by the electric energy of its storage by inverter circuit in time load is powered, thereby has reached the switching purpose that output voltage zero interrupts.
Particularly, because the communications field is relatively high to the requirement of stand-by power supply, the power-on time that reaches seamless switching and stand-by power supply if needed between main power supply need be relatively long, therefore, in the communications field, usually can adopt the stand-by power supply of online stand-by power supply as primary power cource, and the online stand-by power supply adopted often possesses larger battery capacity and quantity.Further, WLAN switch during the wlan network of take covers is example, because often adopting life, the WLAN switch powers with civil power, therefore, for guaranteeing that its work Electrical Safety need to configure corresponding stand-by power supply for it, existing online stand-by power supply shows shortcomings while being used for herein, for example:
1), the charge power of existing online stand-by power supply is less, the charging interval is long, if the city power recovery time between cutting off the power supply when two vice-minister is experienced in load more in short-term, just stand-by power supply can fail to be full of and can not power because of battery;
2), the in-fighting of existing online stand-by power supply is larger, power consumption is higher, effective power is lower; Particularly, standing AC-DC translation circuit and the DC-AC inverter circuit of being equipped with in existing online stand-by power supply, wherein, described DC-AC inverter circuit is generally and adopts high-power IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) full bridge inverter of module, possess high-power surplus capacity, work power consumption is larger, thereby cause the in-fighting of stand-by power supply to increase, effective power reduces (as usually below 75%);
3), the installation volume of existing online stand-by power supply is large, cost is higher; Particularly, due in the prior art, usually can adopt the mode that strengthens battery capacity or number of batteries to make up existing online standby power consumption greatly and the lower shortcoming of efficiency, if adopted rated voltage more than four, be that the direct-flow storage battery of 12V prepares online stand-by power supply, thereby the installation volume that also can cause existing online stand-by power supply is large, cost is higher, and can increase the manpower and materials that the follow-up battery of existing online stand-by power supply consumes required input while upgrading.
In sum, due to shortcomings such as existing online stand-by power supply possess that charge power is less, the charging interval is long, in-fighting is large, efficiency is lower and volume is larger, thereby need badly and provide a kind of new online stand-by power supply to address the above problem.
The utility model content
The problems such as the utility model embodiment provides a kind of DC standby power, and, in-fighting less in order to the charge power that solves the online stand-by power supply existed in prior art is large, efficiency is lower and volume is larger.
A kind of DC standby power, comprise control module, charging module, battery module and the output module that boosts, wherein:
Described control module is connected with line voltage output, described charging module and described battery module respectively, for when the charge capacity that described battery module detected is less than the first threshold of setting, controlling described charging module charges to described battery module, until the charge capacity of described battery module is not less than the Second Threshold of setting, wherein, described first threshold is less than described Second Threshold, and, when civil power being detected and be in off-position, control described battery module and to load, export required voltage by the described output module that boosts;
The signal input part of described charging module is connected with described line voltage output, signal output part is connected with the signal input part of described battery module, for the line voltage that utilizes described line voltage output output, self is charged, and, when the charge capacity of described battery module is less than the first threshold of setting, triggering according to described control module, described battery module is charged, until the charge capacity of described battery module is not less than the Second Threshold of setting;
The signal input part of described battery module is connected with the signal output part of described charging module, signal output part is connected with the signal input part of the described output module that boosts, be used for when self charge capacity is less than the first threshold of setting, by described charging module, charge, until self charge capacity is not less than the Second Threshold of setting, and, when civil power is in off-position, according to the triggering of described control module, to load, export required voltage by the described output module that boosts;
The signal input part of the described output module that boosts is connected with the signal output part of described battery module, signal output part is connected with load, for when civil power is in off-position, receive the direct voltage of described battery module output, and after described direct voltage is boosted accordingly and processes, to boost direct voltage after processing of load output.
Further, described DC standby power also comprises rectification filtering module, wherein:
The signal input part of described rectification filtering module is connected with described line voltage output, signal output part is connected with the signal input part of described charging module, for the line voltage to described line voltage output output, carry out the rectifying and wave-filtering processing, and the Voltage-output after rectifying and wave-filtering is processed is charged to self according to the voltage after described rectifying and wave-filtering processing by described charging module to described charging module.
Further, described DC standby power also comprises charge control switch module, wherein:
Described charge control switch module is between described charging module and described battery module, and with signal input part and the control module of the signal output part of described charging module, described battery module, be connected respectively, for when the charge capacity of described battery module is less than the first threshold of setting, triggering according to described control module, control described charging module described battery module is charged, until the charge capacity of described battery module is not less than the Second Threshold of setting.
Further, described DC standby power also comprises the discharge control switch module, wherein:
Described discharge control switch module is described battery module and described boosting between output module, and with signal input part and the described control module of the signal output part of described battery module, the described output module that boosts, be connected respectively, for when civil power is in off-position, according to the triggering of described control module, control described battery module and to load, export required voltage by the described output module that boosts.
Further, described DC standby power also comprises the voltage stabilizing output module, wherein:
The signal input part of described voltage stabilizing output module is connected with the signal output part of described battery module, signal output part is connected with load, for when civil power is in off-position, receive the direct voltage of described battery module output, and after described direct voltage is carried out to the voltage stabilizing processing, the direct voltage after processing to load output voltage stabilizing.
Further, described control module also is connected with the signal output part of the described output module that boosts and the signal output part of described voltage stabilizing output module respectively, for when voltage that described boost output module and/or described voltage stabilizing output module export being detected and be in abnormality, controls described battery module and stop operating by the Voltage-output that described boost output module and/or described voltage stabilizing output module carry out to load.
Further, described DC standby power also comprises alarm module:
Described alarm module is connected with described control module, while for the charge capacity that described battery module detected in described control module, meeting the alert if of setting, report to the police, or in described control module, the line voltage of described line voltage output output detected and report to the police when abnormal, or detect when voltage that described boost output module and/or described voltage stabilizing output module export is in abnormality and report to the police in described control module.
Further, described battery module is comprised of a joint or two joint storage batterys, and wherein, the rated voltage of described storage battery is 12V.
Further, the described output module that boosts comprises straight conversion submodule and voltage stabilizing output sub-module, wherein:
The signal input part of described straight conversion submodule is connected with the signal output part of described battery module, signal output part is connected with the signal input part of described voltage stabilizing output sub-module, for by the circuit controling switch device, carrying out high speed conducting and the cut-off of circuit, the direct voltage from battery module received is converted to the required high voltage of load, and the high voltage after changing is sent to described voltage stabilizing output sub-module;
The signal input part of described voltage stabilizing output sub-module is connected with the signal output part of described straight conversion submodule, signal output part is connected with load, for the high voltage by after the conversion of described straight conversion submodule, carry out the voltage stabilizing processing, and the Voltage-output after voltage stabilizing is processed is to described load.
Further, described voltage stabilizing output module is comprised of pressurizer.
The utility model beneficial effect is as follows:
The utility model embodiment provides a kind of DC standby power, described DC standby power comprises control module, charging module, battery module and the output module that boosts, wherein: described control module respectively with the line voltage output, charging module and battery module are connected, for when the charge capacity that battery module detected is less than first threshold, controlling charging module charges to battery module until its charge capacity is not less than the Second Threshold of setting, wherein, first threshold is less than Second Threshold, and, when civil power being detected and be in off-position, control battery module and to load, export required voltage by the output module that boosts.In the described scheme of the utility model embodiment, because charging module only just carries out high-power quick charge to it when the charge capacity of battery module is less than first threshold, and when the charge capacity of battery module is not less than Second Threshold, stop its charging, thereby can reduce the charging interval of stand-by power supply, the charge efficiency of raising stand-by power supply; In addition, due in the described DC standby power of the utility model embodiment, except charging module, all the other each modules are DC Module, therefore, can save large power consumption inverter circuit link, reach the overall power that reduces stand-by power supply, improve the effect of stand-by power supply overall efficiency; Have again, due in the described DC standby power of the utility model embodiment, without adopting the mode that strengthens battery capacity or number of batteries to make up standby power consumption greatly and the lower shortcoming of efficiency, thereby also can reach the volume of reduction stand-by power supply and the effect of cost.
The accompanying drawing explanation
Figure 1 shows that the structural representation one of the described DC standby power of the utility model embodiment;
Figure 2 shows that the structural representation two of the described DC standby power of the utility model embodiment.
Embodiment
Below in conjunction with Figure of description, the utility model embodiment is described further, but the utility model is not limited to the following examples.
As shown in Figure 1, it is the structural representation one of the described DC standby power of the utility model embodiment, and described DC standby power is applicable to equipment such as WLAN switches, and the utility model embodiment does not do any restriction to this.
Particularly, described DC standby power can comprise control module 11, charging module 12, battery module 13 and the output module 14 that boosts, wherein:
Described control module 11 respectively with the line voltage output, described charging module 12 and described battery module 13 are connected, for when the charge capacity that described battery module 13 detected is less than the first threshold of setting, controlling 12 pairs of described battery modules 13 of described charging module charges, until the charge capacity of described battery module 13 is not less than the Second Threshold of setting, wherein, described first threshold is less than described Second Threshold, and, when civil power being detected and be in off-position, control described battery module 13 and to load, export required voltage by the described output module 14 that boosts.
Wherein, described first threshold and described Second Threshold can be adjusted setting according to actual conditions, as can as described in first threshold be set to as described in the battery module 13 charge capacity peak that can reach 20~25% etc., or described Second Threshold is set to 90~100% etc. of charge capacity peak that described battery module 13 can reach, the utility model embodiment does not do any restriction to this; More preferably, in embodiment described in the utility model, can be set to the charge capacity peak that described battery module 13 can reach by described Second Threshold.
It should be noted that, described control module 11 can be comprised of electronic devices and components such as comparator and switch elements, and the utility model embodiment does not do any restriction to this.
The signal input part of described charging module 12 is connected with described line voltage output, signal output part is connected with the signal input part of described battery module 13, for the line voltage that utilizes described line voltage output output, self is charged, and, when the charge capacity of described battery module 13 is less than the first threshold of setting, triggering according to described control module 11, described battery module 13 is charged, until the charge capacity of described battery module 13 is not less than the Second Threshold of setting.
Particularly, described charging module 12 can the charge capacity that described battery module 13 detected be less than setting first threshold (as battery module 13 charge capacity peaks as described in being less than 25%) time, start described battery module 13 is carried out to large electric current quick charge, the Second Threshold of setting when the charge capacity convergence that described battery module 13 detected (as battery module 13 charge capacity peaks as described in convergence 95%) time, be converted to floating charge, and the charge capacity that described battery module 13 detected reach described setting Second Threshold (as battery module 13 charge capacity peaks as described in reaching 95%) time, stop the charging operations carrying out for described battery module 13.
Further, the input of the AC power of described charging module 12 can be single-phase system, rated frequency is that 50HZ and rated voltage are the AC power of 220V, and the utility model embodiment does not do any restriction to this.
The signal input part of described battery module 13 is connected with the signal output part of described charging module 12, signal output part is connected with the described signal input part that boosts output module 14, be used for when self charge capacity is less than the first threshold of setting, by described charging module 12, charge, until self charge capacity is not less than the Second Threshold of setting, and, when civil power is in off-position, according to the triggering of described control module 11, to load, export required voltage by the described output module 14 that boosts.
Particularly, in embodiment described in the utility model, because described DC standby power can be applicable in the WLAN switch usually, therefore, in order to reduce the volume of described DC standby power, described battery module 13 can be 12V by a joint or two joint rated voltages usually, capacity is that the storage battery of 100AH forms (particularly, when adopting a joint rated voltage, be that the storage battery of 12V is while being the WLAN power supply for exchange, can meet WLAN switch conventional load, as 10 POE work of lower 10 hours), certainly, described battery module 13 also can be comprised of three joints or the above storage battery of three joints, the utility model embodiment does not do any restriction to this, have, the rated voltage of described storage battery and capacity also can be adjusted setting according to actual conditions again, and the utility model embodiment does not do any restriction yet to this.
The signal input part of the described output module 14 that boosts is connected with the signal output part of described battery module 13, signal output part is connected with load, for when civil power is in off-position, receive the direct voltage of described battery module 13 outputs, and after described direct voltage is boosted accordingly and processes, to boost direct voltage after processing of load output.
Wherein, the voltage that the described output module 14 that boosts is exported need be determined according to the needed voltage of described load, and the utility model embodiment does not do any restriction to this.For example, when the rated voltage that can provide for 48V and described battery module 13 when the needed voltage of described load was 12V, the described output module 14 that boosts can be exported to described load by described 12V boost in voltage to 48V voltage.
Particularly, the described output module 14 that boosts can comprise straight conversion submodule and voltage stabilizing output sub-module, wherein:
The signal input part of described straight conversion submodule is connected with the signal output part of described battery module 13, signal output part is connected with the signal input part of described voltage stabilizing output sub-module, for by the circuit controling switch device, carrying out high speed conducting and the cut-off of circuit, the direct voltage from battery module 13 received is converted to the required high voltage of load, and the high voltage after changing is sent to described voltage stabilizing output sub-module;
The signal input part of described voltage stabilizing output sub-module is connected with the signal output part of described straight conversion submodule, signal output part is connected with load, for the high voltage by after the conversion of described straight conversion submodule, carry out the voltage stabilizing processing, and the Voltage-output after voltage stabilizing is processed is to described load.
Further, (Fig. 2 is the structural representation two of the described DC standby power of the utility model embodiment) as shown in Figure 2, described DC standby power also can comprise rectification filtering module 15, wherein:
The signal input part of described rectification filtering module 15 is connected with described line voltage output, signal output part is connected with the signal input part of described charging module 12, for the line voltage to described line voltage output output, carry out the rectifying and wave-filtering processing, and the Voltage-output after rectifying and wave-filtering is processed is charged to self according to the voltage after described rectifying and wave-filtering processing by described charging module 12 to described charging module 12.
Further, described DC standby power also can comprise charge control switch module 16, wherein:
Described charge control switch module 16 is between described charging module 12 and described battery module 13, and with the signal output part of described charging module 12, signal input part and the control module 11 of described battery module 13, be connected respectively, for when the charge capacity of described battery module 13 is less than the first threshold of setting, triggering according to described control module 11, control 12 pairs of described battery modules 13 of described charging module and charge, until the charge capacity of described battery module 13 is not less than the Second Threshold of setting.
Particularly, when the charge capacity that described battery module 13 detected when described control module 11 is less than the first threshold of setting, in the time of namely need to being charged by 12 pairs of described battery modules 13 of described charging module, described control module 11 can be set to described charge control switch module 16 closing of circuit (path) state, now, owing between described charging module 12 and described battery module 13, being the circuit pathways state, therefore, can realize the charging operations undertaken by 12 pairs of described battery modules 13 of described charging module.
Correspondingly, when the charge capacity that described battery module 13 detected when described control module 11 is not less than the Second Threshold of setting, described control module 11 can be set to described charge control switch module 16 circuit and disconnect (open circuit) state, now, owing between described charging module 12 and described battery module 13, being the open circuit state, the two not conducting mutually, therefore, can't realize the charging operations undertaken by 12 pairs of described battery modules 13 of described charging module.
Further, described DC standby power also can comprise discharge control switch module 17, wherein:
Described discharge control switch module 17 is described battery module 13 and described boosting between output module 14, and with the signal output part of described battery module 13, signal input part and the described control module 11 of the described output module 14 that boosts, be connected respectively, for when civil power is in off-position, according to the triggering of described control module 11, control described battery module 13 and to load, export required voltage by the described output module 14 that boosts.
Particularly, when described control module 11 detects civil power and is in off-position, in the time of namely need to load, being powered by described DC standby power, described control module 11 can be set to described discharge control switch module 17 closing of circuit (path) state, now, due to described battery module 13 and described boosting between output module 14 as the circuit pathways state, therefore, described battery module 13 can be by the described output module 14 that boosts to load output required voltage.
Correspondingly, when described control module 11 detects civil power and is in normal condition, namely when by described DC standby power, load being powered, described control module 11 can be set to described discharge control switch module 17 circuit and disconnect (open circuit) state, now, due to described battery module 13 and described boosting between output module 14 as the open circuit state, therefore, described battery module 13 can't be by the described output module 14 that boosts to load output required voltage.
Further, when described DC standby power was applicable to the WLAN switch, described DC standby power also can comprise voltage stabilizing output module 18, wherein:
The signal input part of described voltage stabilizing output module 18 is connected with the signal output part of described battery module 13, signal output part is connected with load, for when civil power is in off-position, receive the direct voltage of described battery module 13 outputs, and after described direct voltage is carried out to the voltage stabilizing processing, the direct voltage after processing to load output voltage stabilizing; Particularly, the magnitude of voltage of the direct voltage after processing by described voltage stabilizing output module 18 does not change, as, when the direct voltage of described battery module 13 outputs was 12V, the direct voltage after described voltage stabilizing output module 18 is processed was still 12V.
Particularly, the voltage that the output module 14 that boosts of described DC standby power of take can provide is 48V, the voltage that described voltage stabilizing output module 18 can provide is that 12V is example, when primary electricity, during as the civil power power down, described DC standby power can provide its required 12V DC and 48V DC power supply to equipment such as WLAN switches in time, wherein 12V DC can be used for the main board power supply for the WLAN switch, wherein, described supply power voltage can be analyzed through careful measuring and calculating, adopt constant supply power mode, get a comparatively rational supply district (this range of voltages more can guarantee power output quality and load need for electricity) in WLAN switch mainboard utilization voltage scope, correspondingly, described 48V DC can pass through the WLAN switch ports themselves to the AP(WAP (wireless access point)) power supply, consider zooming out apart from the pressure drop produced and be used to activating the required power supply of AP port of AP direct current supply, this supply power voltage also is required to be a safe voltage that is positioned at zone of reasonableness, so that when main power supply switched, AP can activate and reach the standard grade smoothly, further, when primary electricity, when as normal as city power recovery, DC standby power can exit smoothly, can not be detained load and continue power supply.
Particularly, described voltage stabilizing output module 18 can be comprised of pressurizer, and when described DC standby power also comprised discharge control switch module 17, described voltage stabilizing output module 18 specifically can be connected with the signal output part of described battery module 13 by described discharge control switch module 17.
Further, in embodiment described in the utility model, described control module 11 also can be connected with the signal output part of the described output module 14 that boosts and the signal output part of described voltage stabilizing output module 18 respectively, for when voltage that described boost output module 14 and/or described voltage stabilizing output module 18 export being detected and be in abnormality, controls described battery module 13 and stop operating by the Voltage-output that described boost output module 14 and/or described voltage stabilizing output module 18 carry out to load.
Particularly, described control module 11 can, by controlling the mode that described discharge control switch module 17 is closed or disconnect, be controlled described battery module 13 by described output module 14(and/or the described voltage stabilizing output module 18 of boosting) to load, provide or do not provide corresponding voltage.
Further, described DC standby power also can comprise alarm module 19:
Described alarm module 19 can be connected with described control module 11, for the charge capacity that described battery module 13 detected in described control module 11, meet the alert if of setting, as described in as charge capacity, being less than 75% of battery module 13 charge capacity peaks, or charge capacity is less than 50% of described battery module 13 charge capacity peaks, or charge capacity be less than described battery module 13 charge capacity peaks 25% etc. the time report to the police (can realize level report to the police), or it is abnormal in described control module 11, the line voltage of described line voltage output output to be detected, as report to the police while the faults such as outage occurring, or detect when voltage that described boost output module 14 and/or described voltage stabilizing output module 18 export is in abnormality and report to the police in described control module 11.
Particularly, described alarm module 19 can adopt the mode of SMS communication warning or the signal alarms such as signal lamp, buzzer to report to the police, so that alert is carried out the follow-up operations such as maintenance processing to described DC standby power as early as possible, the utility model embodiment does not do any restriction to this.
Further; in embodiment described in the utility model; when the charge capacity that described battery module 13 detected when control module 11 reduces to the setting degree, can cut off between described DC standby power and load for being electrically connected to, to protect described DC standby power.
The utility model embodiment provides a kind of DC standby power, described DC standby power comprises control module, charging module, battery module and the output module that boosts, wherein: described control module respectively with the line voltage output, charging module and battery module are connected, for when the charge capacity that battery module detected is less than first threshold, controlling charging module charges to battery module until its charge capacity is not less than the Second Threshold of setting, wherein, first threshold is less than Second Threshold, and, when civil power being detected and be in off-position, control battery module and to load, export required voltage by the output module that boosts.In the described scheme of the utility model embodiment, because charging module only just carries out high-power quick charge to it when the charge capacity of battery module is less than first threshold, and transfer floating charge to and when the charge capacity of battery module is not less than Second Threshold, stop its charging when the charge capacity convergence Second Threshold of battery module, thereby can reach the charging interval of reducing stand-by power supply, improve the effect of the charge efficiency of stand-by power supply.
In addition, due in the described DC standby power of the utility model embodiment, except charging module, all the other each modules are DC Module, therefore, can save large power consumption inverter circuit link, while making from battery module to load the output required voltage, only need simply boost, voltage stabilizing processes and get final product, thereby on the basis of the overall power that reaches the reduction stand-by power supply, also can further improve the overall efficiency of stand-by power supply, improve the effective power of stand-by power supply, have again, due in the described DC standby power of the utility model embodiment, without adopting the mode that strengthens battery capacity or number of batteries to make up standby power consumption greatly and the lower shortcoming of efficiency, whole DC standby power can only adopt one to two joint storage battery to form, only there is battery self in-fighting, the detection electricity consumption of control module and the power consumptions such as warning electricity consumption of alarm module, thereby also volume and the cost that reduces stand-by power supply can reached, on the basis of the effect of raising stand-by power supply simple installation, further reduce the use power consumption of stand-by power supply, improve the effective power of stand-by power supply.
Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.

Claims (10)

1. a DC standby power, is characterized in that, comprises control module, charging module, battery module and the output module that boosts, wherein:
Described control module is connected with line voltage output, described charging module and described battery module respectively, for when the charge capacity that described battery module detected is less than the first threshold of setting, controlling described charging module charges to described battery module, until the charge capacity of described battery module is not less than the Second Threshold of setting, wherein, described first threshold is less than described Second Threshold, and, when civil power being detected and be in off-position, control described battery module and to load, export required voltage by the described output module that boosts;
The signal input part of described charging module is connected with described line voltage output, signal output part is connected with the signal input part of described battery module, for the line voltage that utilizes described line voltage output output, self is charged, and, when the charge capacity of described battery module is less than the first threshold of setting, triggering according to described control module, described battery module is charged, until the charge capacity of described battery module is not less than the Second Threshold of setting;
The signal input part of described battery module is connected with the signal output part of described charging module, signal output part is connected with the signal input part of the described output module that boosts, be used for when self charge capacity is less than the first threshold of setting, by described charging module, charge, until self charge capacity is not less than the Second Threshold of setting, and, when civil power is in off-position, according to the triggering of described control module, to load, export required voltage by the described output module that boosts;
The signal input part of the described output module that boosts is connected with the signal output part of described battery module, signal output part is connected with load, for when civil power is in off-position, receive the direct voltage of described battery module output, and after described direct voltage is boosted accordingly and processes, to boost direct voltage after processing of load output.
2. DC standby power as claimed in claim 1, is characterized in that, described DC standby power also comprises rectification filtering module, wherein:
The signal input part of described rectification filtering module is connected with described line voltage output, signal output part is connected with the signal input part of described charging module, for the line voltage to described line voltage output output, carry out the rectifying and wave-filtering processing, and the Voltage-output after rectifying and wave-filtering is processed is charged to self according to the voltage after described rectifying and wave-filtering processing by described charging module to described charging module.
3. described DC standby power as arbitrary as claim 1 or 2, is characterized in that, described DC standby power also comprises charge control switch module, wherein:
Described charge control switch module is between described charging module and described battery module, and with signal input part and the control module of the signal output part of described charging module, described battery module, be connected respectively, for when the charge capacity of described battery module is less than the first threshold of setting, triggering according to described control module, control described charging module described battery module is charged, until the charge capacity of described battery module is not less than the Second Threshold of setting.
4. described DC standby power as arbitrary as claim 1 or 2, is characterized in that, described DC standby power also comprises the discharge control switch module, wherein:
Described discharge control switch module is described battery module and described boosting between output module, and with signal input part and the described control module of the signal output part of described battery module, the described output module that boosts, be connected respectively, for when civil power is in off-position, according to the triggering of described control module, control described battery module and to load, export required voltage by the described output module that boosts.
5. described DC standby power as arbitrary as claim 1 or 2, is characterized in that, described DC standby power also comprises the voltage stabilizing output module, wherein:
The signal input part of described voltage stabilizing output module is connected with the signal output part of described battery module, signal output part is connected with load, for when civil power is in off-position, receive the direct voltage of described battery module output, and after described direct voltage is carried out to the voltage stabilizing processing, the direct voltage after processing to load output voltage stabilizing.
6. DC standby power as claimed in claim 5, is characterized in that,
Described control module also is connected with the signal output part of the described output module that boosts and the signal output part of described voltage stabilizing output module respectively, for when voltage that described boost output module and/or described voltage stabilizing output module export being detected and be in abnormality, controls described battery module and stop operating by the Voltage-output that described boost output module and/or described voltage stabilizing output module carry out to load.
7. DC standby power as claimed in claim 6, is characterized in that, described DC standby power also comprises alarm module:
Described alarm module is connected with described control module, while for the charge capacity that described battery module detected in described control module, meeting the alert if of setting, report to the police, or in described control module, the line voltage of described line voltage output output detected and report to the police when abnormal, or detect when voltage that described boost output module and/or described voltage stabilizing output module export is in abnormality and report to the police in described control module.
8. described DC standby power as arbitrary as claim 1 or 2, is characterized in that,
Described battery module is comprised of a joint or two joint storage batterys, and wherein, the rated voltage of described storage battery is 12V.
9. described DC standby power as arbitrary as claim 1 or 2, is characterized in that, the described output module that boosts comprises straight conversion submodule and voltage stabilizing output sub-module, wherein:
The signal input part of described straight conversion submodule is connected with the signal output part of described battery module, signal output part is connected with the signal input part of described voltage stabilizing output sub-module, for by the circuit controling switch device, carrying out high speed conducting and the cut-off of circuit, the direct voltage from battery module received is converted to the required high voltage of load, and the high voltage after changing is sent to described voltage stabilizing output sub-module;
The signal input part of described voltage stabilizing output sub-module is connected with the signal output part of described straight conversion submodule, signal output part is connected with load, for the high voltage by after the conversion of described straight conversion submodule, carry out the voltage stabilizing processing, and the Voltage-output after voltage stabilizing is processed is to described load.
10. DC standby power as claimed in claim 5, is characterized in that,
Described voltage stabilizing output module is comprised of pressurizer.
CN201320389204XU 2013-07-01 2013-07-01 DC emergency power supply CN203312887U (en)

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TWI551000B (en) * 2015-12-15 2016-09-21 國立勤益科技大學 Dc backup power-supply system
WO2017166426A1 (en) * 2016-03-31 2017-10-05 中兴通讯股份有限公司 Backup energy-storage apparatus for digital-subscriber-line access device, and method for controlling same
CN105896723A (en) * 2016-04-29 2016-08-24 浪潮集团有限公司 Emergency power supply and emergency system
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