CN116647027A - Storage battery power supply tool and method for temporary power supply - Google Patents

Storage battery power supply tool and method for temporary power supply Download PDF

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Publication number
CN116647027A
CN116647027A CN202310527943.9A CN202310527943A CN116647027A CN 116647027 A CN116647027 A CN 116647027A CN 202310527943 A CN202310527943 A CN 202310527943A CN 116647027 A CN116647027 A CN 116647027A
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CN
China
Prior art keywords
server
voltage
switch module
power supply
module
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Pending
Application number
CN202310527943.9A
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Chinese (zh)
Inventor
王龙罡
于泉泉
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Suzhou Inspur Intelligent Technology Co Ltd
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Suzhou Inspur Intelligent Technology Co Ltd
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Priority to CN202310527943.9A priority Critical patent/CN116647027A/en
Publication of CN116647027A publication Critical patent/CN116647027A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1582—Buck-boost converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention provides a storage battery power supply tool for temporary power supply, which comprises: the invention further provides a storage battery power supply method for temporary power supply, the temporary power supply of the server is not easy to be influenced by working environment conditions and resources, and when the situation of power failure of the commercial power and the like is met, the server can be normally used in a short time.

Description

Storage battery power supply tool and method for temporary power supply
Technical Field
The invention relates to the field of server power supply, in particular to a storage battery power supply tool and method for temporary power supply.
Background
With the rapid development of economy and continuous progress of science and technology, the Internet industry in China also has a great development, and servers rapidly rise by virtue of excellent performances, and are widely favored by markets in the fields of cloud computing, big data processing, artificial intelligence and the like.
At present, in the development, testing and post-maintenance of a server, the server needs to be powered, and as shown in fig. 1, a currently adopted power supply mode for the server is to use PSU (power supply unit, chinese holly: power supply) to convert ac power obtained from a wall socket into low-voltage dc power for a server processor and peripheral devices. After the commercial power is directly rectified and filtered, an isolated DC-DC (direct current) conversion device formed by the commercial power and a ferrite core high-frequency step-down transformer is reduced into direct voltage, and then the direct voltage is output by a voltage stabilizing and filtering device for the electric energy used by a server.
However, the power supply mode of the related server is affected by working environment conditions and resources, and when the situation that the commercial power is in power failure, the server needs to be far away from an alternating-current power socket for use or the alternating-current power socket is insufficient, PSU is insufficient, a workbench is short and the like is met, the power supply of the server can be affected, and the temporary power supply problem cannot be solved so as to ensure the normal use of the server.
Disclosure of Invention
In order to solve the problems in the prior art, the invention innovatively provides a storage battery power supply tool and a storage battery power supply method for temporary power supply, which effectively solve the problem that the prior art cannot meet the temporary power supply of a server, effectively meet the temporary power supply of the server, ensure that the temporary power supply of the server is not easily influenced by working environment conditions and resources, and can be normally used in a short time when the conditions of power failure of the mains supply, the need of the server to be far away from an alternating current power supply socket for use or the shortage of the alternating current power supply socket, the shortage of PSU, the shortage of a workbench and the like are met.
The first aspect of the present invention provides a battery powered tool for temporary power supply, comprising: the storage battery, control module, buck-boost circuit, the voltage output end of storage battery is connected with buck-boost circuit's input electricity, buck-boost circuit's control end and control module's output communication connection, buck-boost circuit's output is connected with the power input end electricity of server, control module is used for when the storage battery is the temporary power supply of server, regulates and control buck-boost circuit through transmitting pulse width modulation control signal for buck-boost circuit's output voltage value satisfies the voltage that the server needs.
Optionally, the step-up/step-down circuit includes a first switch module, a second switch module, a third switch module, a fourth switch module, and an inductor, where one end of the first switch module is electrically connected to a voltage output end of the storage battery, and the other end is electrically connected to one end of the second switch module and the other end is electrically connected to one end of the inductor; the other end of the second switch module is grounded, and one end of the second switch module is also electrically connected with one end of the inductor; one end of the third switch module is grounded, one path of the other end of the third switch module is electrically connected with the other end of the inductor, and the other path of the third switch module is electrically connected with one end of the fourth switch module; one path of one end of the fourth switch module is electrically connected with the other end of the inductor, the other path of the fourth switch module is electrically connected with the other end of the third switch module, and the other end of the fourth switch module is electrically connected with the power input end of the server.
Further, the control module controls the fourth switch module to be normally on and the third switch module to be normally off when the buck-boost circuit is in a buck mode, and controls the first switch module and the second switch module through pulse width modulation signals so that the buck-boost circuit reduces the output voltage of the storage battery; the control module is in a boosting mode in the step-up circuit, controls the first switch module to be normally on, controls the second switch module to be normally off, and controls the third switch module and the fourth switch module through pulse width modulation signals, so that the step-up circuit increases the output voltage of the storage battery.
Optionally, the storage battery comprises a battery pack with different output voltages formed by connecting a plurality of batteries in series, and the battery pack is used for ensuring that the electric quantity of the storage battery can be used for a server to stably run for a preset period of time.
Optionally, the system further comprises a voltage stabilizing filter module, wherein the input end of the voltage stabilizing filter module is electrically connected with the output end of the voltage increasing and decreasing circuit, and the output end of the voltage stabilizing filter module is electrically connected with the power input end of the server.
Further, the voltage stabilizing and filtering module comprises a voltage stabilizer and a filtering circuit, wherein the input end of the voltage stabilizer is electrically connected with the output end of the voltage increasing and decreasing circuit, the output end of the voltage stabilizer is electrically connected with the input end of the filtering circuit, and the output end of the filtering circuit supplies power for the server through a golden finger.
Optionally, the method further comprises: the voltage detection module is used for acquiring the voltage output to the server and sending the acquired voltage output to the server to the control module; the control module is used for acquiring whether the voltage output to the server detected by the voltage detection module meets the preset server voltage or not, and if the voltage output to the server meets the preset server voltage, the voltage boosting and reducing circuit is controlled to supply power for the server; if the voltage output to the server does not meet the preset server voltage, the control module regulates the step-up/step-down circuit by adjusting the pulse width modulation control signal until the voltage output to the server meets the preset server voltage.
Optionally, the method further comprises: the temperature detection module is used for acquiring the temperature of the server and sending the acquired temperature of the server to the control module; the control module is used for acquiring whether the temperature of the server is greater than a preset temperature threshold, and if the temperature of the server is greater than the preset temperature threshold, controlling the fan to radiate heat for the server.
Optionally, the control module is a programmable logic control device.
The second aspect of the present invention provides a battery power supply method for temporary power supply, which is implemented on the basis of the battery power supply tool for temporary power supply according to the first aspect of the present invention, and includes:
when the storage battery temporarily supplies power to the server, the control module regulates and controls the step-up and step-down circuit by transmitting a pulse width modulation control signal, so that the output voltage value of the step-up and step-down circuit meets the voltage required by the server.
The technical scheme adopted by the invention comprises the following technical effects:
1. according to the technical scheme, the voltage output end of the storage battery is electrically connected with the input end of the buck-boost circuit, the control end of the buck-boost circuit is in communication connection with the output end of the control module, the output end of the buck-boost circuit is electrically connected with the power input end of the server, the control module is used for regulating and controlling the buck-boost circuit by transmitting a pulse width modulation control signal when the storage battery temporarily supplies power to the server, so that the output voltage value of the buck-boost circuit meets the voltage required by the server, the problem that the prior art cannot meet the temporary power supply of the server is effectively solved, the temporary power supply of the server is effectively met, the temporary power supply of the server is not easy to be influenced by working environment conditions and resources, and the server can be normally used in a short time when the conditions of power failure of the commercial power, the fact that the server needs to be far away from an alternating-current power socket or the conditions of insufficient alternating-current power socket, PSU, shortage of the working table and the like are met.
2. According to the technical scheme, when the buck-boost circuit is in a buck mode, the control module controls the fourth switch module to be normally on, the third switch module to be normally off, and the first switch module and the second switch module are controlled through pulse width modulation signals, so that the buck-boost circuit reduces the output voltage of the storage battery; the control module is in a boosting mode in the step-up circuit, controls the first switch module to be normally on, controls the second switch module to be normally off, and controls the third switch module and the fourth switch module through pulse width modulation signals, so that the step-up circuit increases the output voltage of the storage battery, and reduces or increases the voltage of the storage battery through the control of the pulse width modulation signals of the four switch modules.
3. According to the technical scheme, the storage battery comprises the battery packs with different output voltages formed by connecting a plurality of batteries in series, so that the electric quantity of the storage battery can be ensured to be used for a server to stably run for a preset period of time.
4. The storage battery tool in the technical scheme of the invention further comprises a voltage stabilizing and filtering module which can stabilize and filter the output voltage of the voltage increasing and decreasing circuit; the control module acquires whether the voltage output to the server detected by the voltage detection module meets the preset server voltage or not, and if the voltage output to the server meets the preset server voltage, the voltage boosting and reducing circuit is controlled to supply power for the server; if the voltage output to the server does not meet the preset server voltage, the control module regulates and controls the step-up/step-down circuit by adjusting the pulse width modulation control signal until the voltage output to the server meets the preset server voltage, so that the stable operation of the power supply of the server is ensured.
5. According to the technical scheme, the control module acquires whether the temperature of the server is greater than the preset temperature threshold, and if the temperature of the server is greater than the preset temperature threshold, the fan is controlled to radiate heat for the server, so that the reliable operation of power supply of the server is ensured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
For a clearer description of embodiments of the invention or of the solutions of the prior art, reference will be made to the accompanying drawings, which are used in the description of the embodiments or of the prior art, and it will be obvious to those skilled in the art that other drawings can be obtained from these without inventive labour.
FIG. 1 is a schematic diagram of a server powered architecture in the prior art;
FIG. 2 is a schematic structural diagram of a tooling according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a circuit structure of a step-up/step-down circuit in a tooling according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a circuit structure of a buck-boost circuit in buck mode and boost mode in a tooling according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of a second method in the embodiment of the invention.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different structures of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present invention.
Example 1
As shown in fig. 2, the present invention provides a battery powered tool for temporary power supply, including: the storage battery 1, the control module 2, the step-up and step-down circuit 3, the voltage output end of the storage battery 1 is connected with the input end of the step-up and step-down circuit 3, the control end of the step-up and step-down circuit 3 is connected with the output end of the control module 2 in a communication way, the output end of the step-up and step-down circuit 3 is connected with the power input end of the server 4 in an electric way, and the control module 2 is used for regulating and controlling the step-up and step-down circuit 3 by transmitting pulse width modulation control signals when the storage battery 1 temporarily supplies power to the server 4, so that the output voltage value of the step-up and step-down circuit 3 meets the voltage required by the server 4.
As shown in fig. 3-4, the step-up/step-down circuit 3 includes a first switch module SW1, a second switch module SW2, a third switch module SW3, a fourth switch module SW4, and an inductor L, wherein one end of the first switch module SW1 is connected with a voltage output end (V IN ) One path of the other end of the first switch module is electrically connected with one end of the second switch module SW2, and the other path of the first switch module is electrically connected with one end of the inductor L; the other end of the second switch module SW2 is grounded, and one end of the second switch module SW is also electrically connected with one end of the inductor L; one end of the third switch module SW3 is grounded, one path of the other end of the third switch module SW is electrically connected with the other end of the inductor L, and the other path of the third switch module SW is electrically connected with one end of the fourth switch module SW 4; one path of one end of the fourth switch module SW4 is electrically connected with the other end of the inductor L, the other path is electrically connected with the other end of the third switch module SW3, and the other end (V OUT ) Is electrically connected with the power input end of the server 4.
Further, the step-up/down circuit 3 further includes an input capacitor C IN An output capacitor Co, an output resistor Ro, an input capacitor C IN One path of the other end is electrically connected with the input end (the output end of the storage battery 1) of the step-up/step-down circuit 3, and the other path is electrically connected with one end of the first switch module SW 1; input capacitance C o One path of the other end is electrically connected with the output end (voltage input end of the server 1) of the step-up/step-down circuit 3, one path is electrically connected with one end of the output resistor Ro, the other path is electrically connected with one end of the fourth switch module SW4, and the other end of the output resistor Ro is grounded.
Specifically, when the Buck-boost circuit 3 is in Buck mode (Buck mode), the control module 2 controls the fourth switch module SW4 to be normally turned on, and the third switch module SW3 to be normally turned off, and the Buck-boost circuit 3 controls the first switch module SW1 and the second switch module SW2 to reduce the output voltage of the storage battery 1 by modulating the bias of the base electrode or the gate electrode of the transistor according to the change of the corresponding load through a pulse width modulation signal (PWM signal, pulse width modulation, which is an analog control mode); the control module 2 is in a Boost mode (Boost mode) in the buck-Boost circuit 3, controls the first switch module SW1 to be normally turned on, controls the second switch module SW2 to be normally turned off, and controls the third switch module SW3 and the fourth switch module SW4 through the pulse width modulation signal, so that the buck-Boost circuit 3 increases the output voltage of the storage battery 1.
The storage battery 1 comprises a battery pack with different output voltages formed by connecting a plurality of batteries in series, and the battery pack is used for ensuring that the electric quantity of the storage battery 1 can be used for a server to stably operate for a preset period of time. Specifically, the storage battery can adopt 2 to 5 storage batteries with 12V to form a battery pack with 24V, 36V, 48V and 60V in series, so that the electric quantity can be ensured to be used for a period of time for a server to stably run. The storage battery can be charged through a power supply line, and can be turned on and off by a switch, namely, the switch controls the starting and stopping of the power supply tool. The switch may be a switch when a button is pressed, and may be controlled by a worker, or may be controlled by the control module 2 (relay switch).
Preferably, the storage battery power supply tool for temporary power supply in the technical scheme of the invention further comprises a voltage stabilizing filter module 5, wherein the input end of the voltage stabilizing filter module 5 is electrically connected with the output end of the step-up and step-down circuit 3, and the output end of the voltage stabilizing filter module 5 is electrically connected with the power input end of the server 4.
Specifically, the voltage stabilizing and filtering module 5 includes a voltage stabilizer 51 and a filtering circuit 52, wherein an input end of the voltage stabilizer 51 is electrically connected with an output end of the buck-boost circuit 3, an output end of the voltage stabilizer 51 is electrically connected with an input end of the filtering circuit 52, and an output end of the filtering circuit 52 supplies power to the server 4 through a golden finger. The voltage regulator 51 may be any device commonly used in PSU (for example, a voltage regulator diode), a filter (for example, an RC filter circuit, an LC filter circuit, etc.), etc. to perform voltage stabilization, filtering, etc. on the dc signal of the buck-boost circuit 3, and output a precise and stable voltage for the server 4.
Preferably, a battery power supply tool for temporary power supply in the technical scheme of the present invention further includes: a voltage detection module 6 (voltage Sensor), wherein the voltage detection module 6 is configured to acquire a voltage output to the server 4, and send the acquired voltage output to the server 4 to the control module 2; the control module 2 is configured to obtain whether the voltage output to the server 4 detected by the voltage detection module 6 meets a preset server voltage, and if the voltage output to the server 4 meets the preset server voltage, control the step-up/step-down circuit 3 to supply power to the server 4; if the voltage output to the server 4 does not meet the preset server voltage, the control module 2 regulates the step-up/step-down circuit 3 by adjusting the pulse width modulation control signal until the voltage output to the server 4 meets the preset server voltage.
Preferably, a battery power supply tool for temporary power supply in the technical scheme of the present invention further includes: a temperature detection module 7 (temperature Sensor), wherein the temperature detection module 7 is configured to acquire a temperature of the server 4 (load), and send the acquired temperature of the server 4 to the control module 2; the control module 2 is configured to obtain whether the temperature of the server 4 is greater than a preset temperature threshold, and if the temperature of the server 4 is greater than the preset temperature threshold, control the fan to radiate heat for the server 4.
The control module 2 may be a programmable logic control device, i.e. a CPLD (Complex ProgrammableLogicDevice ). The main controller of the tool design is selected as the CPLD, and the main functions of the CPLD in the embodiment are as follows: the BUCK-BOOST circuit 3 is regulated and controlled by transmitting a PWM control signal, so that the output voltage value meets the stable voltage required by the server 4; and can receive the information that temperature Sensor transmitted and carry out fan control, avoid the high temperature to influence normal work.
Signal interaction with motherboard: the general PSU basic structure is modified, only the power supply part is changed, and the general PSU design is adopted for signal interaction with the server, so that the normal starting and use of the server are ensured.
The switch is used for triggering the storage battery to start working, and the voltage of the storage battery 1 is changed into the voltage which can be used stably by the server 4 after passing through the BUCK-BOOST step-down circuit 3. And the CPLD is used for PWM regulation and control of the BUCK-BOOST BUCK-BOOST circuit 3, so that the output voltage is kept stable. The voltage passes through the voltage stabilizing and filtering module 5, then passes through the voltage Sensor and the temperature Sensor, the voltage Sensor senses the voltage and generates a signal to be fed back to the CPLD, and if the voltage value meets the stable voltage required by the server 4, the power can be supplied to the server 4 at the moment; if the stable voltage required by the server 4 is not satisfied, the CPLD performs further regulation until the voltage value satisfies the requirement. The electric signals are transmitted to the server 4 through the golden finger, so that the function that the power supply tool can be used with the PSU alternately is achieved. The temperature Sensor senses the temperature of the load (server), and transmits a signal to the CPLD to control the fan to operate so as to regulate the temperature of the power supply tool.
The functions of the hardware devices such as the voltage stabilizing filter module, the fan, the golden finger and the like on the hardware design can be realized by adopting the hardware design of the universal PSU, and the signal interaction between the hardware device and the server is kept consistent with the universal PSU, so that the normal and stable operation of the power supply tool and the server is ensured.
And the programmed program is burnt in the tool CPLD, the CPLD can communicate with an upper computer through a USB (Universal SerialBus) interface, and when the CPLD program has a problem, the CPLD program can be modified through the upper computer, and the CPLD program is controlled based on a software layer, so that the CPLD tool is more flexible and efficient.
In view of the limited storage capacity of the storage battery, the power supply tool can be used as a temporary power supply measure of a server, and the general PSU standard golden finger design is adopted, so that the power supply tool can be used in a mutual replacement manner with PSU, and is mainly used for solving the power supply problem of the server under the condition of inconvenient PSU use or PSU shortage. Compared with the traditional PSU power supply tool, after the commercial power is directly rectified and filtered, the isolated DC-DC conversion equipment formed by a high-frequency switching device (such as a power-level BJT or a power-level MOSFET) and a ferrite core high-frequency step-down transformer is reduced to a plurality of direct-current voltages.
According to the technical scheme, the voltage output end of the storage battery is electrically connected with the input end of the buck-boost circuit, the control end of the buck-boost circuit is in communication connection with the output end of the control module, the output end of the buck-boost circuit is electrically connected with the power input end of the server, the control module is used for regulating and controlling the buck-boost circuit by transmitting a pulse width modulation control signal when the storage battery temporarily supplies power to the server, so that the output voltage value of the buck-boost circuit meets the voltage required by the server, the problem that the prior art cannot meet the temporary power supply of the server is effectively solved, the temporary power supply of the server is effectively met, the temporary power supply of the server is not easy to be influenced by working environment conditions and resources, and the server can be normally used in a short time when the conditions of power failure of the commercial power, the fact that the server needs to be far away from an alternating-current power socket or the conditions of insufficient alternating-current power socket, PSU, shortage of the working table and the like are met.
According to the technical scheme, when the buck-boost circuit is in a buck mode, the control module controls the fourth switch module to be normally on, the third switch module to be normally off, and the first switch module and the second switch module are controlled through pulse width modulation signals, so that the buck-boost circuit reduces the output voltage of the storage battery; the control module is in a boosting mode in the step-up circuit, controls the first switch module to be normally on, controls the second switch module to be normally off, and controls the third switch module and the fourth switch module through pulse width modulation signals, so that the step-up circuit increases the output voltage of the storage battery, and reduces or increases the voltage of the storage battery through the control of the pulse width modulation signals of the four switch modules.
According to the technical scheme, the storage battery comprises the battery packs with different output voltages formed by connecting a plurality of batteries in series, so that the electric quantity of the storage battery can be ensured to be used for a server to stably run for a preset period of time.
The storage battery tool in the technical scheme of the invention further comprises a voltage stabilizing and filtering module which can stabilize and filter the output voltage of the voltage increasing and decreasing circuit; the control module acquires whether the voltage output to the server detected by the voltage detection module meets the preset server voltage or not, and if the voltage output to the server meets the preset server voltage, the voltage boosting and reducing circuit is controlled to supply power for the server; if the voltage output to the server does not meet the preset server voltage, the control module regulates and controls the step-up/step-down circuit by adjusting the pulse width modulation control signal until the voltage output to the server meets the preset server voltage, so that the stable operation of the power supply of the server is ensured.
According to the technical scheme, the control module acquires whether the temperature of the server is greater than the preset temperature threshold, and if the temperature of the server is greater than the preset temperature threshold, the fan is controlled to radiate heat for the server, so that the reliable operation of power supply of the server is ensured.
Example two
As shown in fig. 5, the technical solution of the present invention further provides a battery power supply method for temporary power supply, which is implemented based on a battery power supply tool for temporary power supply in the first embodiment, and is operated in a control module, and includes:
when the storage battery temporarily supplies power to the server (the storage battery can be controlled by a switch to supply power to the server), the control module regulates and controls the step-up and step-down circuit by transmitting a pulse width modulation control signal, so that the output voltage value of the step-up and step-down circuit meets the voltage required by the server.
The output voltage of the storage battery is subjected to the boosting/dropping action of the buck-boost circuit to output the voltage (such as 12V/24V and the like) for supplying power to the server, and then the output voltage of the storage battery is subjected to the boosting/dropping action of the buck-boost circuit to perform voltage stabilization and filtering on the output voltage which is subjected to the buck-boost circuit through the voltage stabilization filtering module; the control module acquires whether the voltage output to the server detected by the voltage detection module meets the preset server voltage or not, and if the voltage output to the server meets the preset server voltage, the voltage increasing and decreasing circuit is controlled to supply power to the server through the golden finger; if the voltage output to the server does not meet the preset server voltage, the control module regulates and controls the step-up/step-down circuit by adjusting the pulse width modulation control signal until the voltage output to the server meets the preset server voltage; on the other hand, the control module is used for acquiring whether the temperature of the server is greater than a preset temperature threshold, and if the temperature of the server is greater than the preset temperature threshold, the fan is controlled to radiate heat for the server.
As shown in fig. 3, the step-up/step-down circuit includes a first switch module SW1, a second switch module SW2, a third switch module SW3, a fourth switch module SW4, and an inductor L, wherein one end of the first switch module SW1 is connected with a voltage output end (V IN ) One path of the other end of the first switch module is electrically connected with one end of the second switch module SW2, and the other path of the first switch module is electrically connected with one end of the inductor L; the other end of the second switch module SW2 is grounded, and one end of the second switch module SW is also electrically connected with one end of the inductor L; one end of the third switch module SW3 is grounded, one path of the other end of the third switch module SW is electrically connected with the other end of the inductor L, and the other path of the third switch module SW is electrically connected with one end of the fourth switch module SW 4; one path of one end of the fourth switch module SW4 is electrically connected with the other end of the inductor L, the other path is electrically connected with the other end of the third switch module SW3, and the other end (V OUT ) Is electrically connected with the power input end of the server.
Further, the step-up/step-down circuit further includes an input capacitor C IN An output capacitor Co, an output resistor Ro, an input capacitor C IN One path of the other end is electrically connected with the input end (the output end of the storage battery) of the voltage boosting and reducing circuit, and the other path of the other end is electrically connected with one end of the first switch module SW 1; input capacitance C o One path of the other end is electrically connected with the output end (voltage input end of the server) of the buck-boost circuit, the other path is electrically connected with one end of the output resistor Ro, the other path is electrically connected with one end of the fourth switch module SW4, and the other end of the output resistor Ro is grounded.
Specifically, when the Buck-boost circuit is in a Buck mode (Buck mode), the control module controls the fourth switch module SW4 to be normally turned on, the third switch module SW3 to be normally turned off, and controls the first switch module SW1 and the second switch module SW2 through pulse width modulation signals, so that the Buck-boost circuit reduces the output voltage of the storage battery; the control module is in a Boost mode (Boost mode) in the buck-Boost circuit, controls the first switch module SW1 to be normally on, controls the second switch module SW2 to be normally off, and controls the third switch module SW3 and the fourth switch module SW4 through pulse width modulation signals so that the buck-Boost circuit increases the output voltage of the storage battery.
The storage battery comprises a battery pack with different output voltages formed by connecting a plurality of batteries in series, and the battery pack is used for ensuring that the electric quantity of the storage battery can be used for a server to stably operate for a preset period of time. Specifically, the storage battery can adopt 2 to 5 storage batteries with 12V to form a battery pack with 24V, 36V, 48V and 60V in series, so that the electric quantity can be ensured to be used for a period of time for a server to stably run. The storage battery can be charged through a power supply line, and can be turned on and off by a switch, namely, the switch controls the starting and stopping of the power supply tool. The switch can be a switch when a key is pressed, and can be controlled by a worker, or can be controlled by a control module (relay switch).
Preferably, the storage battery power supply tool for temporary power supply in the technical scheme of the invention further comprises a voltage stabilizing filter module, wherein the input end of the voltage stabilizing filter module is electrically connected with the output end of the voltage increasing and decreasing circuit, and the output end of the voltage stabilizing filter module is electrically connected with the power supply input end of the server.
Specifically, the voltage stabilizing and filtering module comprises a voltage stabilizer and a filtering circuit, wherein the input end of the voltage stabilizer is electrically connected with the output end of the voltage increasing and decreasing circuit, the output end of the voltage stabilizer is electrically connected with the input end of the filtering circuit, and the output end of the filtering circuit supplies power for the server through a golden finger. The voltage stabilizer may be a voltage stabilizer (such as a voltage stabilizing diode) and a filter (such as an RC filter circuit, an LC filter circuit, etc.) commonly used in PSU, so as to perform operations such as voltage stabilizing and filtering on the dc signal of the buck-boost circuit, and output an accurate and stable voltage for the server.
Preferably, a battery power supply tool for temporary power supply in the technical scheme of the present invention further includes: the voltage detection module (voltage Sensor) is used for acquiring the voltage output to the server and sending the acquired voltage output to the server to the control module; the control module is used for acquiring whether the voltage output to the server detected by the voltage detection module meets the preset server voltage or not, and if the voltage output to the server meets the preset server voltage, the voltage boosting and reducing circuit is controlled to supply power for the server; if the voltage output to the server does not meet the preset server voltage, the control module regulates the step-up/step-down circuit 3 by adjusting the pulse width modulation control signal until the voltage output to the server meets the preset server voltage.
Preferably, a battery power supply tool for temporary power supply in the technical scheme of the present invention further includes: the temperature detection module (temperature Sensor) is used for acquiring the temperature of a server (load) and sending the acquired temperature of the server to the control module; the control module is used for acquiring whether the temperature of the server is greater than a preset temperature threshold, and if the temperature of the server is greater than the preset temperature threshold, controlling the fan to radiate heat for the server.
The control module may be a programmable logic control device, i.e. a CPLD (Complex ProgrammableLogicDevice ). The main controller of the tool design is selected as the CPLD, and the main functions of the CPLD in the embodiment are as follows: regulating and controlling the BUCK-BOOST circuit by transmitting a PWM control signal so that the output voltage value meets the stable voltage required by the server; and can receive the information that temperature Sensor transmitted and carry out fan control, avoid the high temperature to influence normal work.
Signal interaction with motherboard: the general PSU basic structure is modified, only the power supply part is changed, and the general PSU design is adopted for signal interaction with the server, so that the normal starting and use of the server are ensured.
The switch is used for triggering the storage battery to start working, and the voltage of the storage battery is changed into voltage which can be used by the server stably after passing through the BUCK-BOOST voltage-increasing and reducing circuit. And the CPLD is used for PWM regulation and control of the BUCK-BOOST circuit, so that the output voltage is kept stable. The voltage passes through the voltage stabilizing and filtering module and then passes through the voltage Sensor and the temperature Sensor, the voltage Sensor senses the voltage and generates a signal to be fed back to the CPLD, and if the voltage value meets the stable voltage required by the server, the power can be supplied to the server at the moment; if the stable voltage required by the server is not met, the CPLD further regulates and controls until the voltage value meets the requirement. The electric signals are transmitted to the server through the golden finger, so that the function that the power supply tool can be used with the PSU alternately is achieved. The temperature Sensor senses the temperature of the load (server), and transmits a signal to the CPLD to control the fan to operate so as to regulate the temperature of the power supply tool.
The functions of the hardware devices such as the voltage stabilizing filter module, the fan, the golden finger and the like on the hardware design can be realized by adopting the hardware design of the universal PSU, and the signal interaction between the hardware device and the server is kept consistent with the universal PSU, so that the normal and stable operation of the power supply tool and the server is ensured.
And the programmed program is burnt in the tool CPLD, the CPLD can communicate with an upper computer through a USB (Universal SerialBus) interface, and when the CPLD program has a problem, the CPLD program can be modified through the upper computer, and the CPLD program is controlled based on a software layer, so that the CPLD tool is more flexible and efficient.
According to the technical scheme, the voltage output end of the storage battery is electrically connected with the input end of the buck-boost circuit, the control end of the buck-boost circuit is in communication connection with the output end of the control module, the output end of the buck-boost circuit is electrically connected with the power input end of the server, the control module is used for regulating and controlling the buck-boost circuit by transmitting a pulse width modulation control signal when the storage battery temporarily supplies power to the server, so that the output voltage value of the buck-boost circuit meets the voltage required by the server, the problem that the prior art cannot meet the temporary power supply of the server is effectively solved, the temporary power supply of the server is effectively met, the temporary power supply of the server is not easy to be influenced by working environment conditions and resources, and the server can be normally used in a short time when the conditions of power failure of the commercial power, the fact that the server needs to be far away from an alternating-current power socket or the conditions of insufficient alternating-current power socket, PSU, shortage of the working table and the like are met.
According to the technical scheme, when the buck-boost circuit is in a buck mode, the control module controls the fourth switch module to be normally on, the third switch module to be normally off, and the first switch module and the second switch module are controlled through pulse width modulation signals, so that the buck-boost circuit reduces the output voltage of the storage battery; the control module is in a boosting mode in the step-up circuit, controls the first switch module to be normally on, controls the second switch module to be normally off, and controls the third switch module and the fourth switch module through pulse width modulation signals, so that the step-up circuit increases the output voltage of the storage battery, and reduces or increases the voltage of the storage battery through the control of the pulse width modulation signals of the four switch modules.
According to the technical scheme, the storage battery comprises the battery packs with different output voltages formed by connecting a plurality of batteries in series, so that the electric quantity of the storage battery can be ensured to be used for a server to stably run for a preset period of time.
The storage battery tool in the technical scheme of the invention further comprises a voltage stabilizing and filtering module which can stabilize and filter the output voltage of the voltage increasing and decreasing circuit; the control module acquires whether the voltage output to the server detected by the voltage detection module meets the preset server voltage or not, and if the voltage output to the server meets the preset server voltage, the voltage boosting and reducing circuit is controlled to supply power for the server; if the voltage output to the server does not meet the preset server voltage, the control module regulates and controls the step-up/step-down circuit by adjusting the pulse width modulation control signal until the voltage output to the server meets the preset server voltage, so that the stable operation of the power supply of the server is ensured.
According to the technical scheme, the control module acquires whether the temperature of the server is greater than the preset temperature threshold, and if the temperature of the server is greater than the preset temperature threshold, the fan is controlled to radiate heat for the server, so that the reliable operation of power supply of the server is ensured.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.

Claims (10)

1. A battery power supply frock for interim power supply, characterized by includes: the storage battery, control module, buck-boost circuit, the voltage output end of storage battery is connected with buck-boost circuit's input electricity, buck-boost circuit's control end and control module's output communication connection, buck-boost circuit's output is connected with the power input end electricity of server, control module is used for when the storage battery is the temporary power supply of server, regulates and control buck-boost circuit through transmitting pulse width modulation control signal for buck-boost circuit's output voltage value satisfies the voltage that the server needs.
2. The battery power supply tooling for temporary power supply according to claim 1, wherein the step-up/down circuit comprises a first switch module, a second switch module, a third switch module, a fourth switch module and an inductor, one end of the first switch module is electrically connected with a voltage output end of the battery, the other end of the first switch module is electrically connected with one end of the second switch module, and the other end of the first switch module is electrically connected with one end of the inductor; the other end of the second switch module is grounded, and one end of the second switch module is also electrically connected with one end of the inductor; one end of the third switch module is grounded, one path of the other end of the third switch module is electrically connected with the other end of the inductor, and the other path of the third switch module is electrically connected with one end of the fourth switch module; one path of one end of the fourth switch module is electrically connected with the other end of the inductor, the other path of the fourth switch module is electrically connected with the other end of the third switch module, and the other end of the fourth switch module is electrically connected with the power input end of the server.
3. The battery power supply tooling for temporary power supply according to claim 2, wherein the control module controls the fourth switch module to be normally turned on and the third switch module to be normally turned off when the buck-boost circuit is in a buck mode, and controls the first switch module and the second switch module through pulse width modulation signals so that the buck-boost circuit reduces the output voltage of the battery; the control module is in a boosting mode in the step-up circuit, controls the first switch module to be normally on, controls the second switch module to be normally off, and controls the third switch module and the fourth switch module through pulse width modulation signals, so that the step-up circuit increases the output voltage of the storage battery.
4. The battery power supply tooling for temporary power supply according to claim 1, wherein the battery comprises a battery pack with different output voltages formed by connecting a plurality of batteries in series, and the battery pack is used for ensuring that the electric quantity of the battery can be used for a server to stably operate for a preset period of time.
5. The battery powered tool for temporary power supply according to any one of claims 1-4, further comprising a voltage stabilizing filter module, wherein an input end of the voltage stabilizing filter module is electrically connected to an output end of the buck-boost circuit, and an output end of the voltage stabilizing filter module is electrically connected to a power input end of the server.
6. The battery power supply tooling for temporary power supply according to claim 5, wherein the voltage stabilizing and filtering module comprises a voltage stabilizer and a filtering circuit, the input end of the voltage stabilizer is electrically connected with the output end of the voltage increasing and decreasing circuit, the output end of the voltage stabilizer is electrically connected with the input end of the filtering circuit, and the output end of the filtering circuit supplies power to the server through a golden finger.
7. The battery powered tool for temporary power supply of claim 5, further comprising: the voltage detection module is used for acquiring the voltage output to the server and sending the acquired voltage output to the server to the control module; the control module is used for acquiring whether the voltage output to the server detected by the voltage detection module meets the preset server voltage or not, and if the voltage output to the server meets the preset server voltage, the voltage boosting and reducing circuit is controlled to supply power for the server; if the voltage output to the server does not meet the preset server voltage, the control module regulates the step-up/step-down circuit by adjusting the pulse width modulation control signal until the voltage output to the server meets the preset server voltage.
8. The battery powered tool for temporary power supply of claim 5, further comprising: the temperature detection module is used for acquiring the temperature of the server and sending the acquired temperature of the server to the control module; the control module is used for acquiring whether the temperature of the server is greater than a preset temperature threshold, and if the temperature of the server is greater than the preset temperature threshold, controlling the fan to radiate heat for the server.
9. The battery powered tool for temporary power supply according to any one of claims 1-4, wherein the control module is a programmable logic control device.
10. A battery powered method for temporary power supply, characterized by being implemented on the basis of a battery powered tool for temporary power supply according to any one of claims 1-9, comprising:
when the storage battery temporarily supplies power to the server, the control module regulates and controls the step-up and step-down circuit by transmitting a pulse width modulation control signal, so that the output voltage value of the step-up and step-down circuit meets the voltage required by the server.
CN202310527943.9A 2023-05-11 2023-05-11 Storage battery power supply tool and method for temporary power supply Pending CN116647027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310527943.9A CN116647027A (en) 2023-05-11 2023-05-11 Storage battery power supply tool and method for temporary power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310527943.9A CN116647027A (en) 2023-05-11 2023-05-11 Storage battery power supply tool and method for temporary power supply

Publications (1)

Publication Number Publication Date
CN116647027A true CN116647027A (en) 2023-08-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310527943.9A Pending CN116647027A (en) 2023-05-11 2023-05-11 Storage battery power supply tool and method for temporary power supply

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Country Link
CN (1) CN116647027A (en)

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