CN204808189U - Power controlling means , memory and equipment - Google Patents
Power controlling means , memory and equipment Download PDFInfo
- Publication number
- CN204808189U CN204808189U CN201520118100.4U CN201520118100U CN204808189U CN 204808189 U CN204808189 U CN 204808189U CN 201520118100 U CN201520118100 U CN 201520118100U CN 204808189 U CN204808189 U CN 204808189U
- Authority
- CN
- China
- Prior art keywords
- mainboard
- power
- module
- power module
- reserve battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the utility model discloses power controlling means, memory and equipment relates to the electronic circuit field for realize system power supply and backup battery's seamless handover. The embodiment of the utility model provides an in, power module is used for being used for showing the power status signal of self state to mainboard output, and provide operating voltage according to the control of switching over the module for the mainboard, backup battery is used for providing operating voltage according to the control of switching over the module for the mainboard, the mainboard is used for utilizing normally works by power module or by the operating voltage that backup battery provided to receive the power status signal of power module output, according to power status signal, to switching module output enable signal, switch over the enable signal that the module is used for receiving mainboard output, according to the size relationships between the magnitude of voltage of the current output constantly of enable signal, power module and backup battery, control power module or backup battery provide operating voltage for the mainboard, thereby above -mentioned problem has been solved.
Description
Technical field
The utility model relates to electronic circuit field, particularly relates to a kind of power control, storer and equipment.
Background technology
Memory device is very high to the security requirement of data, and when writing data to hard disk, data first write internal memory, and then write hard disk by internal memory.Because internal memory belongs to volatile storage medium, data write in the process of hard disk by internal memory, if power down suddenly, the data also not writing hard disk in internal memory will be lost.Therefore, when the unexpected power down of system power supply, internal memory power supply must be switched to battery from system power supply, keeps the data in internal memory not lose.
Traditional system power supply and the commutation circuit of reserve battery can be provided with voltage sample circuit usually, the system power supply output voltage of current time is obtained as sampling voltage every prefixed time interval by voltage sample circuit, when sampling voltage is lower than voltage preset value, switches to reserve battery and power; Wherein voltage preset value is determined by the resistance of the sample resistance in voltage sample circuit.
Visible, shortcoming of the prior art is: when the unexpected power down of system power supply, system power supply output voltage starts decline and be down to zero gradually, in system power supply output voltage decline process gradually, if voltage preset value arranges the undesirable problem that just there will be equipment instant power-down, and then causes equipment failure.
Utility model content
The utility model embodiment provides a kind of power control, storer and equipment, in order to realize the seamless switching of system power supply and reserve battery.
The utility model embodiment provides a kind of power control, and this device comprises: power module, reserve battery, mainboard and handover module;
Described power module, is connected with default alternating current and passes through described handover module and be connected with described mainboard, for exporting the power state signal for representing oneself state to described mainboard; And according to the control of described handover module, for described mainboard provides operating voltage;
Described reserve battery, is connected with described mainboard by described handover module, for the control according to described handover module, for described mainboard provides operating voltage;
Described mainboard, be connected with described power module and described reserve battery respectively by described handover module, normally worked by described power module or the operating voltage that provided by described reserve battery for utilizing, and receive the power state signal of described power module output, according to described power state signal, to described handover module output enable signal;
Described handover module, to be connected between described power module and described mainboard and to be connected between described reserve battery and described mainboard, for receiving the enable signal that described mainboard exports, according to the magnitude relationship between the magnitude of voltage that described enable signal, described power module and described reserve battery current time export, control described power module or described reserve battery for described mainboard and operating voltage is provided.
The utility model embodiment also provides a kind of storer, and this storer comprises: storage unit and above-mentioned power control.
The utility model embodiment also provides a kind of equipment, and this equipment comprises: processor and above-mentioned storer.
As can be seen from technique scheme, mainboard in the utility model embodiment according to power module export for representing that the power state signal of this power module state judges whether the power module of current time power down phenomenon occurs, and the magnitude relationship between the magnitude of voltage of the enable signal exported according to mainboard by handover module, power module and reserve battery current time output, control to be powered to the battery-powered seamless switching of standby electricity by power module.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only 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.
The structural representation of a kind of power control that Fig. 1 provides for the utility model embodiment;
The structural representation of a kind of handover module that Fig. 2 provides for the utility model embodiment;
The structural representation of a kind of power module that Fig. 3 provides for the utility model embodiment;
The structural representation of a kind of mainboard that Fig. 4 provides for the utility model embodiment;
The structural representation of a kind of dual control memory storage that Fig. 5 provides for the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment is applicable to various equipment, is particularly useful for various memory device.
Fig. 1 shows the structural representation of a kind of power control that the utility model embodiment provides, and as shown in Figure 1, this device comprises: power module 11, reserve battery 12, mainboard 13 and handover module 14;
Power module 11, is connected with default alternating current and is connected with mainboard 13 by handover module 14, for exporting the power state signal for representing oneself state to mainboard 13; And according to the control of handover module 14, for mainboard 13 provides operating voltage;
Reserve battery 12, is connected with mainboard 13 by handover module 14, for the control according to handover module 14, for mainboard 13 provides operating voltage;
Mainboard 13, be connected with power module 11 and reserve battery 12 respectively by handover module 14, normally worked by power module 11 or the operating voltage that provided by reserve battery 12 for utilizing, and receive the power state signal of power module 11 output, according to power state signal, to handover module 14 output enable signal;
Handover module 14, to be connected between power module 11 and mainboard 13 and to be connected between reserve battery 12 and mainboard 13, for receiving the enable signal that mainboard 13 exports, according to the magnitude relationship between the magnitude of voltage that enable signal, power module 11 and reserve battery 12 current time export, control power module 11 or reserve battery 12 for mainboard 13 and operating voltage is provided.
Optionally, mainboard 13 specifically for: if the level value of the power state signal received is high level, then to described handover module output level value be low enable signal; If the level value of the power state signal received is low level by high level saltus step, then to handover module 14 output level value be high enable signal; Handover module 14 specifically for: receiving after level value is low enable signal, controlling power module 11 and continue as mainboard 13 operating voltage is provided; Receiving after level value is high enable signal, judge the magnitude relationship between the magnitude of voltage that power module 11 and reserve battery 12 current time export, if the magnitude of voltage that power module 11 current time exports is greater than the magnitude of voltage that reserve battery 12 current time exports, then controls to continue as mainboard 13 by power module 11 and operating voltage is provided; If the magnitude of voltage that power module 11 current time exports is less than the magnitude of voltage that reserve battery 12 current time exports, then control by reserve battery 12 as mainboard 13 provides operating voltage.
Optionally, Fig. 2 shows the structural representation of a kind of handover module that the utility model embodiment provides, and as shown in Figure 2, handover module 14 is at least made up of control module 21 and judging unit 22; Control module 21 specifically for, receive the enable signal exported by mainboard 13, when receiving level value and being high enable signal, control reserve battery 12 to judging unit 22 output voltage; Judging unit 22 specifically for, judge if so, then to control the voltage whether voltage that reserve battery 12 is exported by control module 21 exports higher than power module current time by reserve battery 12 as mainboard 13 provides operating voltage; Otherwise, control to continue as mainboard 13 by power module 11 and operating voltage be provided.
Optionally, control module is at least made up of the first buffer circuit, triode, metal-oxide-semiconductor, the first resistance and the second resistance; The base stage of triode is connected with the enable signal output port of mainboard 13 by the second resistance and the first buffer circuit successively, and collector is connected with the grid of metal-oxide-semiconductor and passes through the first resistance and is connected with the drain electrode of metal-oxide-semiconductor, grounded emitter; Wherein, the first buffer circuit is made up of at least one diode, and the positive pole of the first buffer circuit is connected with the enable signal output port of mainboard 13, and negative pole is connected with the base stage of triode by the second resistance; The grid of metal-oxide-semiconductor is connected with the collector of triode, and drain electrode is connected with the positive electrode of reserve battery 12 and passes through the first resistance and is connected with the collector of triode, and source electrode is connected with judging unit.
Optionally, judging unit is at least made up of the second buffer circuit and the 3rd buffer circuit; Second buffer circuit is made up of at least one diode, and the positive pole of the second buffer circuit is connected with the source electrode of metal-oxide-semiconductor, and negative pole is connected with the power supply port of mainboard 13; 3rd buffer circuit is made up of at least one diode, and the positive pole of the 3rd buffer circuit is connected with power module, and negative pole is connected with the power supply port of mainboard 13.
Optionally, Fig. 3 shows the structural representation of a kind of power module that the utility model embodiment provides, and as shown in Figure 3, power module 11 is at least made up of the redundant power of the first ~ the N number of load balancing, N be greater than 1 integer; The first ~ the N number of redundant power, inputted by N or circuit be connected with mainboard 13, represent the first ~ the N power state signal of oneself state for exporting separately.
Optionally, this device also comprises: N input or circuit; N input or circuit, be connected between the first ~ the N number of redundant power and mainboard 13, and by the first pull down resistor and the second pull down resistor ground connection.
Optionally, Fig. 4 shows the structural representation of a kind of mainboard that the utility model embodiment provides, and as shown in Figure 4, mainboard 13 is at least made up of the first ~ the n-th programmable logic device (PLD), n be greater than 1 integer; The first ~ the n-th programmable logic device (PLD), is connected with power module 11 respectively, for receiving the power state signal exported by power module 11.
In the utility model embodiment, mainboard can be a kind of CPLD (ComplexProgrammableLogicDevice, CPLD), can also be FPGA (Field-ProgrammableGateArray, field programmable gate array) or other programmable logic device (PLD).In the utility model embodiment, default alternating current can be 220 volts of civil powers, also can be 380 volts of civil powers etc.In the utility model embodiment, power state signal can be PWRGD signal (PowerGood or PowerOK).Below only for CPLD, the utility model embodiment is described in detail.
Fig. 5 shows the structural representation of a kind of dual control memory storage that the utility model embodiment provides, as shown in Figure 5, this dual control memory storage can be made up of reserve battery, redundant power 1, redundant power 2, backboard, mainboard 1 (CPLD) and mainboard 2 (CPLD).
Wherein, backboard by resistance R1, resistance R2, diode D1, triode Q1, P channel MOS tube (P-MOS) M1, diode D2, diode D3, pull down resistor R3, pull down resistor R4 and or door U1 form.
In normal operation, powered for mainboard 1 and mainboard 2 by redundant power 1 and 2.
When 220V power down, the PWRGD1 signal of redundant power 1 and the PWRGD2 signal of redundant power 2 become low level by high level, now U1 output low level.Because the PWRGD signal of power supply is prior to electric power output voltage (as 12V voltage) saltus step, now mainboard 1 and mainboard 2 all can normally work.
Arbitrary mainboard in mainboard 1 and mainboard 2 or two mainboards all detect PWRGD signal by low level after high level saltus step, this mainboard output level value is the enable signal (can be BBU_EN in the utility model embodiment) of high level, now D1 conducting, Q1 conducting, the conducting of P-MOS field effect transistor; After 220V power down, the output voltage of redundant power slowly can be down to 0V, therefore in the output voltage slowly decline process of redundant power, when the output voltage of redundant power started slowly to decline but the output voltage height of the output voltage of redundant power still than reserve battery time, still powered for mainboard 1 and mainboard 2 by redundant power 1 and redundant power 2; The P12V voltage drop exported when redundant power is to the also low moment of the output voltage than reserve battery, and D2 conducting, now mainboard 1 and mainboard 2 are powered by reserve battery.
Continue as shown in Figure 5, in the utility model embodiment, the BBU_EN signal of mainboard 1 and mainboard 2 is all through diode-isolated, and that is, any one mainboard can be in conducting state by control P-MOS pipe (i.e. M1); In addition, the output voltage of redundant power 1 and redundant power 2 and the output voltage of reserve battery all adopt diode to isolate.
Further, in the utility model embodiment, when being powered by reserve battery, CPLD can also by other power-offs on mainboard, only retain the power supply of CPU (CentralProcessingUnit, central processing unit), internal memory and Flash (flash memory), and then the capacity of reserve battery can be reduced, greatly reduce the power consumption of reserve battery, save system resource.
Further; in the utility model embodiment; when being powered by reserve battery; CPU can also by the data copy in internal memory in Flash; when system power supply is recovered; by CPU, the data stored at Flash during power down protection last time are read back in internal memory, enable equipment from the position continuation operation of powered-off fault last time, thus realize the power down protection of memory device.
As can be seen from technique scheme, mainboard in the utility model embodiment according to power module export for representing as detection signal, the power state signal of this power module state judges whether the power module of current time power down phenomenon occurs, because power state signal (being the PWRGD signal in the utility model embodiment) is prior to output voltage saltus step, therefore adopts power state signal, to power module, whether this mode that powered-off fault phenomenon judges occurs and equipment can be avoided to occur the problem of instant power-down; Further, the utility model embodiment can when the output voltage of power module drops to also low than the output voltage of reserve battery, controlling by reserve battery is main board power supply, thus achieve the seamless switching of primary power (i.e. power module) and reserve battery, farthest ensure that the security of equipment and system, and ensure that the security of data.
The utility model describes with reference to according to the process flow diagram of the method for the utility model embodiment, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can be provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device, make the function that the instruction that performed by the processor of this computing machine or other programmable data processing device can be specified in a flow process in realization flow figure or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in a flow process of process flow diagram or a square frame of multiple flow process and/or block scheme or multiple square frame.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (8)
1. a power control, is characterized in that, this device comprises: power module, reserve battery, mainboard and handover module;
Described power module, is connected with default alternating current and passes through described handover module and be connected with described mainboard, for exporting the power state signal for representing oneself state to described mainboard; And according to the control of described handover module, for described mainboard provides operating voltage;
Described reserve battery, is connected with described mainboard by described handover module, for the control according to described handover module, for described mainboard provides operating voltage;
Described mainboard, be connected with described power module and described reserve battery respectively by described handover module, normally worked by described power module or the operating voltage that provided by described reserve battery for utilizing, and receive the power state signal of described power module output, according to described power state signal, to described handover module output enable signal;
Described handover module, to be connected between described power module and described mainboard and to be connected between described reserve battery and described mainboard, for receiving the enable signal that described mainboard exports, according to the magnitude relationship between the magnitude of voltage that described enable signal, described power module and described reserve battery current time export, control described power module or described reserve battery for described mainboard and operating voltage is provided.
2. device as claimed in claim 1, it is characterized in that, described handover module is at least made up of control module and judging unit; Wherein, described control module is at least made up of the first buffer circuit, triode, metal-oxide-semiconductor, the first resistance and the second resistance;
The base stage of described triode is connected with the enable signal output port of described mainboard by described second resistance and described first buffer circuit successively, collector is connected with the grid of described metal-oxide-semiconductor and is connected with the drain electrode of described metal-oxide-semiconductor by described first resistance, grounded emitter; Wherein, described first buffer circuit is made up of at least one diode, and the positive pole of described first buffer circuit is connected with the enable signal output port of described mainboard, and negative pole is connected with the base stage of described triode by described second resistance;
The grid of described metal-oxide-semiconductor is connected with the collector of described triode, and drain electrode is connected with the positive electrode of described reserve battery and passes through described first resistance and is connected with the collector of described triode, and source electrode is connected with described judging unit.
3. device as claimed in claim 2, it is characterized in that, described judging unit is at least made up of the second buffer circuit and the 3rd buffer circuit;
Described second buffer circuit is made up of at least one diode, and the positive pole of described second buffer circuit is connected with the source electrode of described metal-oxide-semiconductor, and negative pole is connected with the power supply port of described mainboard;
Described 3rd buffer circuit is made up of at least one diode, and the positive pole of described 3rd buffer circuit is connected with described power module, and negative pole is connected with the power supply port of described mainboard.
4. the device according to any one of claim 1-3, is characterized in that, described power module is at least made up of the redundant power of the first ~ the N number of load balancing, described N be greater than 1 integer;
Described the first ~ the N number of redundant power, inputted by N or circuit be connected with described mainboard, represent the first ~ the N power state signal of oneself state for exporting separately.
5. device as claimed in claim 4, it is characterized in that, this device also comprises: N input or circuit;
Described N input or circuit, to be connected between described the first ~ the N number of redundant power and described mainboard, and by the first pull down resistor and the second pull down resistor ground connection.
6. the device according to any one of claim 1-3, is characterized in that, described mainboard is at least made up of the first ~ the n-th programmable logic device (PLD), described n be greater than 1 integer;
Described the first ~ the n-th programmable logic device (PLD), is connected with described power module respectively, for receiving the power state signal exported by described power module.
7. a storer, is characterized in that, this storer comprises: storage unit and the power control according to any one of claim 1 ~ 6.
8. a power control unit, is characterized in that, this equipment comprises: processor and storer as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520118100.4U CN204808189U (en) | 2015-02-27 | 2015-02-27 | Power controlling means , memory and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520118100.4U CN204808189U (en) | 2015-02-27 | 2015-02-27 | Power controlling means , memory and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204808189U true CN204808189U (en) | 2015-11-25 |
Family
ID=54592977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520118100.4U Expired - Fee Related CN204808189U (en) | 2015-02-27 | 2015-02-27 | Power controlling means , memory and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204808189U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105912089A (en) * | 2016-04-07 | 2016-08-31 | 浪潮电子信息产业股份有限公司 | Battery redundancy method, device and system |
| CN108152746A (en) * | 2017-12-14 | 2018-06-12 | 郑州云海信息技术有限公司 | A kind of method and system for detecting stand-by power supply group battery-active |
| CN111935406A (en) * | 2020-08-19 | 2020-11-13 | 合肥富煌君达高科信息技术有限公司 | Power-off protection system for preventing data loss when camera power failure |
-
2015
- 2015-02-27 CN CN201520118100.4U patent/CN204808189U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105912089A (en) * | 2016-04-07 | 2016-08-31 | 浪潮电子信息产业股份有限公司 | Battery redundancy method, device and system |
| CN108152746A (en) * | 2017-12-14 | 2018-06-12 | 郑州云海信息技术有限公司 | A kind of method and system for detecting stand-by power supply group battery-active |
| CN111935406A (en) * | 2020-08-19 | 2020-11-13 | 合肥富煌君达高科信息技术有限公司 | Power-off protection system for preventing data loss when camera power failure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104935072B (en) | Stand-by power supply method for handover control and device | |
| CN201000602Y (en) | Computer shut-down energy-saving circuit | |
| CN104881375B (en) | Storage system power-down data protection method and apparatus | |
| CN204808189U (en) | Power controlling means , memory and equipment | |
| CN205544400U (en) | Battery management system of low -power consumption standby | |
| CN104967191A (en) | Charging circuit used for mobile power supply and mobile power supply | |
| CN102183986A (en) | Multi-source power supply control method, device and system | |
| CN204304532U (en) | A kind of computer and the feed circuit based on its USB interface | |
| CN107247647A (en) | BBU working state detecting methods and system in a kind of storage system | |
| CN105703021A (en) | Battery management system with low standby power consumption and battery management system awaking method | |
| CN201248033Y (en) | Sequence control circuit and television set with the circuit | |
| CN103199842B (en) | The key control circuit of single battery electric power system | |
| CN105048422A (en) | Switch transistor voltage drop holding circuit and application of switch transistor voltage drop holding circuit in lithium battery protection circuit | |
| CN104122967A (en) | Power-on and power-down reset control circuit and computer | |
| CN106292987A (en) | A kind of processor power-off sequential control system and method | |
| CN104834610A (en) | Magnetic disk power-down protection circuit and method | |
| CN105022469A (en) | Portable electronic device and core swapping method thereof | |
| CN105320246A (en) | Information processing method and electronic device | |
| CN206649501U (en) | A kind of computer software testing device | |
| CN104868588A (en) | AC/DC switchover and key waking control circuit for acquiring terminal of specific power transformer | |
| CN202904758U (en) | Power-down data protection device for fiscal cash register | |
| CN204633465U (en) | A kind of alternating current-direct current for specially becoming acquisition terminal switches and key wakeup control circuit | |
| CN102361450B (en) | Programmable logic device | |
| CN105490319A (en) | Information processing method and electronic equipment | |
| CN213585190U (en) | Power control circuit with standby low power consumption |
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: 20151125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |