CN220711144U - Power supply device and system - Google Patents
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- CN220711144U CN220711144U CN202322089770.5U CN202322089770U CN220711144U CN 220711144 U CN220711144 U CN 220711144U CN 202322089770 U CN202322089770 U CN 202322089770U CN 220711144 U CN220711144 U CN 220711144U
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Abstract
The application provides a power supply equipment and system, this power supply equipment includes: the device comprises a plurality of charge-discharge modules, a charge-discharge switch, a power switch, at least one power module and a control module. The charge-discharge switch can be electrically connected with the charge-discharge module and the load module in a closed state; the power switch can be electrically connected with the power module and the charge-discharge module/the power module and the load module in a closed state; the control module can control the opening or closing of the charge-discharge switch/power switch so as to change the switching state of the charge-discharge switch/power switch; different charge and discharge modules or power supply modules can be switched to supply power for the load modules by changing the corresponding switch states, so that the redundancy of the system is improved, and meanwhile, the more diversified power requirements can be met; and the power supply module can charge the charge and discharge module, so as to meet the charge requirement of the charge and discharge module and realize the collaborative management of the charge and discharge process of the charge and discharge module.
Description
Technical Field
The application relates to the technical field of circuit control, in particular to power supply equipment and a system.
Background
In the existing power supply equipment taking a battery as a power supply, most of charging equipment and discharging equipment of the battery exist independently, collaborative management on the charging and discharging processes of the battery cannot be realized, and the redundancy of the corresponding power supply equipment is poor.
The power supply equipment using the battery as a power supply, such as an aircraft, can cause the aircraft to lose power in the air and have falling risks if power failure occurs in the flight process, thereby generating potential safety hazards and property loss.
Disclosure of Invention
Accordingly, an object of the embodiments of the present application is to provide a power supply device and a system for solving the technical problem that the existing power supply device cannot realize collaborative management of the charging and discharging processes of the battery, and redundancy is poor.
In a first aspect, embodiments of the present application provide a power supply apparatus, including: the device comprises a plurality of charge-discharge modules, a charge-discharge switch, a power switch and at least one power module;
the charge-discharge switch is configured to electrically connect the charge-discharge module and the load module in a closed state;
the power switch is configured to electrically connect the power module and the charge-discharge module in a closed state; or, electrically connecting the power module and the load module in a closed state;
wherein the apparatus further comprises: a control module; the control module is respectively and electrically connected with the charge-discharge module, the power supply module, the load module, the charge-discharge switch and the power supply switch; the control module is configured to determine a switch control signal according to the current state of the charge-discharge module and/or the power module and/or the load module; and sending corresponding switch control signals to the charge-discharge switch and the power switch to control the charge-discharge switch and the power switch to be opened or closed.
In the implementation process, the power supply device includes: the device comprises a plurality of charge-discharge modules, a charge-discharge switch, a power switch, at least one power module and a control module. The charge-discharge switch can be electrically connected with the charge-discharge module and the load module in a closed state; the power switch can be electrically connected with the power module and the charge-discharge module/the power module and the load module in a closed state; the control module can determine a switch control signal according to the current state of the charge-discharge module and/or the power supply module and/or the load module, and send the corresponding switch control signal to the charge-discharge switch and the power supply switch to control the charge-discharge switch and the power supply switch to be opened or closed so as to change the switch states of the charge-discharge switches and the power supply switch; different charge and discharge modules or power modules can be switched to supply power for the load module by changing the switch states of the charge and discharge switches and the power switch, so that the redundancy of the system is improved, and meanwhile, the more diversified power requirements can be met; and the power supply module can charge the charge and discharge module, so as to meet the charge requirement of the charge and discharge module and realize the collaborative management of the charge and discharge process of the charge and discharge module.
In addition, the control module can send corresponding switch control signals to the charge-discharge switch and the power switch according to the current state of the charge-discharge module, and control the charge-discharge switch and the power switch to be opened or closed, so that the current state of the charge-discharge module is adjusted; corresponding switch control signals are sent to the charge-discharge switch and the power switch according to the current state of the power module, and the charge-discharge switch and the power switch are controlled to be opened or closed, so that the current state of the power module is adjusted; and sending corresponding switch control signals to the charge-discharge switch and the power switch according to the current state of the load module, and controlling the charge-discharge switch and the power switch to be opened or closed so as to adjust the current state of the load module.
Optionally, in an embodiment of the present application, the apparatus further includes: a voltage measurement module; the voltage measurement module is respectively and electrically connected with the charge and discharge module and the power supply module; the voltage measurement module is configured to measure a charge-discharge voltage of the charge-discharge module and a power supply voltage of the power supply module, and provide the charge-discharge voltage and the power supply voltage to the control module; the control module is configured to determine the switching state of the charge-discharge switch and/or the power switch according to the charge-discharge voltage and/or the power voltage; and sending corresponding switch control signals to the charge-discharge switch and/or the power switch.
In the implementation process, the charge and discharge voltage of the charge and discharge module and the power supply voltage of the power supply module are obtained through the voltage measurement module; and supplying a charge-discharge voltage and a power supply voltage to the control module; so that the control module can determine the current state of the charge-discharge module according to the charge-discharge voltage or determine the current state of the power supply module according to the power supply voltage.
Optionally, in an embodiment of the present application, the apparatus further includes: a current measurement module; the current measurement module is respectively and electrically connected with the charge and discharge module, the load module and the power supply module; the current measurement module is configured to measure a charge-discharge current of the charge-discharge module, a load current of the load module, and a supply current of the power module, and to provide the charge-discharge current, the load current, and the supply current to the control module; the control module is configured to determine the switching state of the charge-discharge switch and/or the power switch according to the charge-discharge current and the power supply current; and sending corresponding switch control signals to the charge-discharge switch and/or the power switch.
In the implementation process, the charge and discharge current of the charge and discharge module, the load current of the load module and the power supply current of the power supply module are obtained through the current measurement module; and providing charge and discharge current, load current and supply current to the control module; the control module can determine the current state of the charge-discharge module according to the charge-discharge current, determine the current state of the load module according to the load current and determine the current state of the power supply module according to the supply current.
Optionally, in an embodiment of the present application, the apparatus further includes: a temperature measurement module; the temperature measurement module is configured to measure a charge-discharge temperature of the charge-discharge module and a load temperature of the load module, and provide the charge-discharge temperature and the load temperature to the control module; the control module is configured to determine the switching state of the charge-discharge switch and/or the power switch according to the charge-discharge temperature and the load temperature; and sending corresponding switch control signals to the charge-discharge switch and/or the power switch.
In the implementation process, the charge and discharge temperature of the charge and discharge module and the load temperature of the load module are obtained through the temperature measurement module; and providing the charge-discharge temperature and the load temperature to the control module; so that the control module can determine the current state of the charge-discharge module according to the charge-discharge temperature and determine the current state of the load module according to the load temperature.
Optionally, in an embodiment of the present application, the apparatus further includes: an alarm module; the control module is configured to generate a current alarm indication signal according to the charge and discharge current, the load current, the power supply current and corresponding preset alarm current thresholds; generating a temperature alarm indication signal according to the charge and discharge temperature, the load temperature and a corresponding preset alarm temperature threshold value; sending the current alarm indication signal and/or the temperature alarm indication signal to the alarm module; the alarm module is configured to send out corresponding alarm indication under the condition of receiving the current alarm indication signal and/or the temperature alarm indication signal.
In the implementation process, under the condition that the charge and discharge module/the load module/the power module is abnormal, a control module sends corresponding alarm indication signals (current alarm indication signals and/or temperature alarm indication signals) to an alarm module; and the alarm module sends out a corresponding alarm instruction to alarm the abnormal situation, so as to remind a manager of the power supply equipment to timely process the abnormal situation.
Optionally, in an embodiment of the present application, the apparatus further includes: a protection module; the protection module is respectively and electrically connected with the charge-discharge module and the charge-discharge switch; or the protection module is respectively and electrically connected with the charge-discharge switch and the load module; the control module is configured to execute corresponding circuit protection actions according to the charge-discharge voltage and/or the charge-discharge current and/or the charge-discharge temperature or the load current and/or the load temperature.
In the implementation process, when the power supply equipment has abnormal conditions (abnormal charge and discharge of the charge and discharge module/abnormal power consumption of the load), the protection module executes corresponding circuit protection actions so as to improve the reliability of the power supply system.
In a second aspect, embodiments of the present application provide a power supply system, including: a load module and a power supply device as described in any one of the first aspects above; the power supply device is configured to provide an operating power source for the load module.
Optionally, in an embodiment of the present application, the load module includes: a plurality of load units, a plurality of load power switches, and at least one load connection switch; the load power supply switch is configured to electrically connect the load unit, the charge and discharge switch and the power switch in a closed state; the load connection switches are configured to electrically connect different ones of the load supply switches in a closed state.
In the implementation process, through the plurality of load power supply switches and at least one load connection switch, more diversified power supply possibilities can be provided for each load unit, and power supply switching for different load units can be flexibly realized.
Optionally, in an embodiment of the present application, the load unit is an on-board electric device.
Adopt the power supply unit that this application provided, include: the device comprises a plurality of charge-discharge modules, a charge-discharge switch, a power switch, at least one power module and a control module. The charge-discharge switch can be electrically connected with the charge-discharge module and the load module in a closed state; the power switch can be electrically connected with the power module and the charge-discharge module/the power module and the load module in a closed state; the control module can determine a switch control signal according to the current state of the charge-discharge module and/or the power supply module and/or the load module, and send the corresponding switch control signal to the charge-discharge switch and the power supply switch to control the charge-discharge switch and the power supply switch to be opened or closed so as to change the switch states of the charge-discharge switches and the power supply switch; different charge and discharge modules or power modules can be switched to supply power for the load module by changing the switch states of the charge and discharge switches and the power switch, so that the redundancy of the system is improved, and meanwhile, the more diversified power requirements can be met; and the power supply module can charge the charge and discharge module, so as to meet the charge requirement of the charge and discharge module and realize the collaborative management of the charge and discharge process of the charge and discharge module. The technical problems that the conventional power supply equipment cannot realize collaborative management of the charging and discharging processes of the battery and the redundancy is poor are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a power supply device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of another power supply device according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a power supply system according to an embodiment of the present application.
Detailed Description
Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a power supply apparatus 01 according to an embodiment of the present application. Referring to fig. 2, fig. 2 is a schematic structural diagram of another power supply device 02 according to an embodiment of the present application. The power supply apparatus includes: a plurality of charge and discharge modules 10, a charge and discharge switch 11 and a power switch 12, and at least one power module 13;
the charge-discharge switch 11 is configured to electrically connect the charge-discharge module 10 and the load module in a closed state;
the power switch 12 is configured to electrically connect the power module 13 and the charge-discharge module 10 in a closed state; alternatively, the power module 13 and the load module are electrically connected in the closed state;
wherein, power supply unit still includes: a control module 14; the control module 14 is electrically connected with the charge-discharge module 10, the power supply module 13, the load module, the charge-discharge switch 11 and the power supply switch 12 respectively; the control module 14 is configured to determine a switch control signal according to the current state of the charge-discharge module 10 and/or the power supply module 13 and/or the load module; corresponding switch control signals are sent to the charge-discharge switch 11 and the power switch 12 to control the opening or closing of the charge-discharge switch 11 and the power switch 12.
Wherein the charge-discharge module 10 may be implemented by a battery, for example, a lithium battery or a lead storage battery; the power module 13 may be implemented by a solar power panel or an external power source. The charge-discharge switch 11 and the power switch 12 may be implemented by a switching diode, a switching transistor, or a relay. If the power switch 12 is in the closed state, the power module 13 is electrically connected with the charge-discharge module 10, so that the charge of the power module 13 to the charge-discharge module 10 can be realized; if the power switch 12 is in the closed state, the power module 13 is electrically connected with the load module, so that the power supply of the load module by the power module 13 can be realized.
The control module 14 may be implemented by a master control chip, such as an STM32 series chip or a programmable system on a single chip (Programmable System On a Chip, PSoC), among others. The switch control signal includes: a signal for controlling the opening of the charge-discharge switch 11, a signal for controlling the closing of the charge-discharge switch 11, a signal for controlling the opening of the power switch 12, and a signal for controlling the closing of the power switch 12.
The current state of the charge-discharge module 10 may be determined according to the charge-discharge voltage/charge-discharge current/charge-discharge temperature of the charge-discharge module 10; determining the current state of the power module 13 according to the power supply voltage/power supply current of the power module 13; the current state of the load module is determined according to the load current/load temperature of the load module. Specifically, the control module 14 may include: the voltage measuring device, the current measuring device and the temperature measuring device are used for obtaining the charge-discharge voltage/charge-discharge current/charge-discharge temperature of the charge-discharge module 10, the power supply voltage/supply current of the power supply module 13 and the load current/load temperature of the load module, so as to determine the current state of the charge-discharge module 10 and/or the power supply module 13 and/or the load module; the data characterizing the "current state of the charge and discharge module 10 and/or the power supply module 13 and/or the load module" described above may also be measured by voltage measuring means, current measuring means and temperature measuring means external to the control module 14.
The current state of the charge and discharge module 10 may include: normal charge, normal discharge, abnormal charge and discharge, and off state; the current state of the power module 13 may include: normal power supply, abnormal power supply and power supply disconnection; the current state of the load module may include: normal electricity, abnormal electricity and disconnection of electricity. By changing the switching states (open or close) of the charge and discharge switch 11 and the power switch 12, the current state of the charge and discharge module 10, the power module 13 or the load module can be adjusted, the management flexibility and diversity of the charge and discharge module are improved, and diversified power supply requirements can be met.
The specific implementation of the "control module 14 determining the switch control signal" according to the current state of the charge and discharge module 10 and/or the power supply module 13 and/or the load module may be performed by methods known in the art.
Thus, the power supply device provided by the application comprises: a plurality of charge and discharge modules 10, a charge and discharge switch 11 and a power switch 12, at least one power module 13, and a control module 14. The charge-discharge switch 11 may be electrically connected to the charge-discharge module 10 and the load module in a closed state; the power switch 12 may be electrically connected to the power module 13 and the charge/discharge module 10/electrically connected to the power module 13 and the load module in a closed state; the control module 14 may determine a switch control signal according to the current state of the charge and discharge module 10 and/or the power supply module 13 and/or the load module, and send a corresponding switch control signal to the charge and discharge switch 11 and the power supply switch 12, so as to control the charge and discharge switch 11 and the power supply switch 12 to be opened or closed, so as to change the switch states of the charge and discharge switches 11 and the power supply switch 12; by changing the switch states of the charge-discharge switches 11 and the power switch 12, different charge-discharge modules 10 or power modules 13 can be switched to supply power for the load modules, so that the redundancy of the system is improved, and meanwhile, the more diversified power requirements can be met; in addition, the power module 13 can charge the charge-discharge module 10, so as to meet the charge requirement of the charge-discharge module 10 and realize the collaborative management of the charge-discharge process of the charge-discharge module 10. The technical problems that the conventional power supply equipment cannot realize collaborative management of the charging and discharging processes of the battery and the redundancy is poor are solved.
In some alternative embodiments, the power supply device 02 further comprises: a voltage measurement module 15; the voltage measuring module 15 is electrically connected with the charging and discharging module 10 and the power module 13 respectively; the voltage measurement module 15 is configured to measure a charge-discharge voltage of the charge-discharge module 10 and a power supply voltage of the power supply module 13, and to supply the charge-discharge voltage and the power supply voltage to the control module 15; the control module 15 is configured to determine the switching state of the charge-discharge switch 11 and/or the power switch 12 according to the charge-discharge voltage and/or the power supply voltage; a corresponding switch control signal is sent to the charge-discharge switch 11 and/or the power switch 12.
The voltage measuring module 15 may be implemented by an instrument for measuring a voltage, for example, a voltmeter or a voltage monitoring instrument. The voltage measuring module 15 may include a plurality of instruments for measuring voltages, for measuring the charge and discharge voltages of the charge and discharge module 10 or for measuring the power supply voltage of the power supply module 13, respectively.
The specific implementation of "determining the switching state of the charge-discharge switch 11 and/or the power switch 12 according to the charge-discharge voltage and/or the power supply voltage" may be performed by a method known in the art.
In some alternative embodiments, the power supply device 02 further comprises: a current measurement module 16; the current measurement module 16 is electrically connected with the charge-discharge module 10, the load module and the power module 13 respectively; the current measurement module 16 is configured to measure a charge-discharge current of the charge-discharge module 10, a load current of the load module, and a supply current of the power supply module 13, and to supply the charge-discharge current, the load current, and the supply current to the control module 14; the control module 14 is configured to determine the switching state of the charge-discharge switch 11 and/or the power switch 12 according to the charge-discharge current and the supply current; a corresponding switch control signal is sent to the charge-discharge switch 11 and/or the power switch 12.
The current measuring module 16 may be implemented by an instrument for measuring current, such as a ammeter or a current measuring instrument, among others. The current measuring module 16 may include a plurality of instruments for measuring current, for measuring charge and discharge current of the charge and discharge module 10, or for measuring supply current of the power module 13, or for measuring load current of the load module, respectively.
The specific implementation of "determining the switching state of the charge-discharge switch 11 and/or the power switch 12 according to the charge-discharge current and the supply current" may be performed by a method known in the art.
In some alternative embodiments, the power supply device 02 further comprises: a temperature measurement module 17; the temperature measurement module 17 is configured to measure a charge-discharge temperature of the charge-discharge module 10 and a load temperature of the load module, and to provide the charge-discharge temperature and the load temperature to the control module 14; the control module 14 is configured to determine the switching state of the charge-discharge switch 11 and/or the power switch 12 according to the charge-discharge temperature and the load temperature; a corresponding switch control signal is sent to the charge-discharge switch 11 and/or the power switch 12.
Wherein, the temperature measuring module 17 can be respectively and electrically connected with the charge and discharge module 10 and the load module; and is implemented by a contact temperature detection sensor, such as a thermistor sensor, thermocouple sensor, or the like. The temperature measuring module 17 may also be implemented by a non-contact temperature detecting sensor, for example an infrared temperature measuring sensor. The temperature measuring module 17 may include a plurality of sensors for measuring temperature, for measuring the charge and discharge temperature of the charge and discharge module 10, or for measuring the load temperature of the load module, respectively.
The specific implementation of the above-mentioned "determining the switching state of the charge-discharge switch 11 and/or the power switch 12 according to the charge-discharge temperature and the load temperature" may be performed by a method known in the art.
In some alternative embodiments, the power supply apparatus further comprises: an alarm module; the control module 14 is configured to generate a current alarm indication signal according to the charge-discharge current, the load current, the power supply current and corresponding preset alarm current thresholds; generating a temperature alarm indication signal according to the charge and discharge temperature, the load temperature and a corresponding preset alarm temperature threshold value; sending the current alarm indication signal and/or the temperature alarm indication signal to an alarm module; the alarm module is configured to send out corresponding alarm indication under the condition of receiving the current alarm indication signal and/or the temperature alarm indication signal.
The alarm module can be realized by an alarm indicator lamp or a buzzer. The current alarm indication signal and the temperature alarm indication signal may be the same or different. The corresponding preset alarm current threshold and the preset alarm temperature threshold can be set according to actual application conditions.
The specific implementation manner of generating the current alarm indication signal according to the charge-discharge current, the load current, the supply current and the corresponding preset alarm current threshold value and generating the temperature alarm indication signal according to the charge-discharge temperature, the load temperature and the corresponding preset alarm temperature threshold value can be performed by methods known in the art.
In some alternative embodiments, the apparatus further comprises: a protection module 18; the protection module 18 is electrically connected with the charge-discharge module 10 and the charge-discharge switch 11 respectively; alternatively, the protection module 18 is electrically connected to the charge-discharge switch 11 and the load module, respectively; the control module 14 is configured to perform a corresponding circuit protection action in dependence on the charge-discharge voltage and/or the charge-discharge current and/or the charge-discharge temperature, or the load current and/or the load temperature.
The protection module 18 may be implemented by a plurality of fuses, self-healing fuses or fuses, among others. Taking the protection module 18 implemented by a fuse as an example, a fuse may be provided between each of the charge/discharge modules 10 and the charge/discharge switch 11, and between each of the charge/discharge switch 11 and the load modules.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a power supply system according to an embodiment of the present application. The power supply system 03 includes: a load module 20 and a power supply device 21 according to any of the first aspects described above; the power supply device 21 is configured to supply an operating power source of the load module 20.
The power supply apparatus 21 may be realized by any one of the power supply apparatuses 01 or 02 described above.
In some alternative embodiments, the load module 20 includes: a plurality of load cells 201, a plurality of load supply switches 202, and at least one load connection switch 203; the load power supply switch 202 is configured to electrically connect the load unit 201, the charge-discharge switch 11, and the power switch 12 in a closed state; the load connection switch 203 is configured to electrically connect different load supply switches 202 in a closed state.
The load supply switch 202 and the load connection switch 203 may be implemented by a switching diode, a switching transistor, or a relay. The number of load supply switches 202 may be equal to the number of load units; the number of load connection switches 203 may be less than the number of load supply switches 202 or may be equal to or greater than the number of load supply switches 202. In fig. 3, the number of load power supply switches 202 is 2, and the number of load connection switches 203 is 1. The load connection switch 203 may be electrically connected to two different load power supply switches 202 in the closed state, or may be electrically connected to three or five different load power supply switches 202; the specific number of the load connection switches 203 and the number of the load power supply switches 202 electrically connected to different loads in the closed state can be selected according to practical situations.
In some alternative embodiments, the load unit is an on-board consumer.
The power supply system 03 may be an on-board power supply system, and the load unit 201 may be on-board electric equipment, for example, an on-board signal system, a fire extinguishing system, a main control surface control system, a flight parameter recorder, a lighting system, and the like. For different unmanned aerial vehicles or aircraft, due to different models or body structures, the types of load electric equipment corresponding to the different unmanned aerial vehicles or aircraft may also be different, and the types or the number of the on-board electric equipment included in the power supply system 03 are not particularly limited in the application. In the case that the power supply system 03 is an on-board power supply system, the power supply module in the power supply device 21 may be implemented by an external power supply, and specifically, the external power supply may be implemented by plugging the on-board power supply device into the ground power supply system through an external power supply socket. When the on-board power supply device is connected to the ground power supply system, the on-board power supply device can be automatically switched to the ground power supply mode, at this time, the charge and discharge module (which may be an on-board battery) in the power supply device 21 does not supply power to the on-board electric equipment, and the external power supply (ground power supply system) supplies power, and the control module in the power supply device 21 can control the external power supply to charge the charge and discharge module to be charged.
The power supply system 03 may send a system state to the outside through a control module in the power supply device 21, or may receive external control information through a control module in the power supply device 21, where the external control information may be derived from an on-board computer, a maintenance device on the bottom surface, or other upper computer, and the external control information may be used to modify parameter settings of the control module in the power supply system 03. Specifically, the power supply system 03 can communicate with an onboard computer, a maintenance device of the bottom surface or other upper computers based on the RS422 or the RS 485.
It should be understood that the power supply system corresponds to the above-described power supply apparatus embodiment, and specific functions of the power supply system may be referred to the above description, and detailed descriptions thereof are omitted herein as appropriate to avoid redundancy.
The functional modules in the embodiments of the present application may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.
The foregoing description is merely an optional implementation of the embodiments of the present application, but the scope of the embodiments of the present application is not limited thereto, and any person skilled in the art may easily think about changes or substitutions within the technical scope of the embodiments of the present application, and the changes or substitutions should be covered in the scope of the embodiments of the present application.
Claims (9)
1. A power supply apparatus, the apparatus comprising: the device comprises a plurality of charge-discharge modules, a charge-discharge switch, a power switch and at least one power module;
the charge-discharge switch is configured to electrically connect the charge-discharge module and the load module in a closed state;
the power switch is configured to electrically connect the power module and the charge-discharge module in a closed state; or, electrically connecting the power module and the load module in a closed state;
wherein the apparatus further comprises: a control module; the control module is respectively and electrically connected with the charge-discharge module, the power supply module, the load module, the charge-discharge switch and the power supply switch; the control module is configured to determine a switch control signal according to the current state of the charge-discharge module and/or the power supply module; and sending corresponding switch control signals to the charge-discharge switch and the power switch to control the charge-discharge switch and the power switch to be opened or closed.
2. The apparatus of claim 1, wherein the apparatus further comprises: a voltage measurement module;
the voltage measurement module is respectively and electrically connected with the charge and discharge module and the power supply module;
the voltage measurement module is configured to measure a charge-discharge voltage of the charge-discharge module and a power supply voltage of the power supply module, and provide the charge-discharge voltage and the power supply voltage to the control module;
the control module is configured to determine the switching state of the charge-discharge switch and/or the power switch according to the charge-discharge voltage and/or the power voltage; and sending corresponding switch control signals to the charge-discharge switch and/or the power switch.
3. The apparatus of claim 1, wherein the apparatus further comprises: a current measurement module;
the current measurement module is respectively and electrically connected with the charge and discharge module, the load module and the power supply module;
the current measurement module is configured to measure a charge-discharge current of the charge-discharge module, a load current of the load module, and a supply current of the power module, and to provide the charge-discharge current, the load current, and the supply current to the control module;
the control module is configured to determine the switching state of the charge-discharge switch and/or the power switch according to the charge-discharge current and the power supply current; and sending corresponding switch control signals to the charge-discharge switch and/or the power switch.
4. A device according to claim 3, characterized in that the device further comprises: a temperature measurement module;
the temperature measurement module is configured to measure a charge-discharge temperature of the charge-discharge module and a load temperature of the load module, and provide the charge-discharge temperature and the load temperature to the control module;
the control module is configured to determine the switching state of the charge-discharge switch and/or the power switch according to the charge-discharge temperature and the load temperature; and sending corresponding switch control signals to the charge-discharge switch and/or the power switch.
5. The apparatus of claim 4, wherein the apparatus further comprises: an alarm module;
the control module is configured to generate a current alarm indication signal according to the charge and discharge current, the load current, the power supply current and corresponding preset alarm current thresholds; generating a temperature alarm indication signal according to the charge and discharge temperature, the load temperature and a corresponding preset alarm temperature threshold value; sending the current alarm indication signal and/or the temperature alarm indication signal to the alarm module;
the alarm module is configured to send out corresponding alarm indication under the condition of receiving the current alarm indication signal and/or the temperature alarm indication signal.
6. The apparatus of claim 4, wherein the apparatus further comprises: a protection module;
the protection module is respectively and electrically connected with the charge-discharge module and the charge-discharge switch; or the protection module is respectively and electrically connected with the charge-discharge switch and the load module;
the control module is configured to execute corresponding circuit protection actions according to the charge-discharge voltage and/or the charge-discharge current and/or the charge-discharge temperature or the load current and/or the load temperature.
7. A power supply system, the system comprising: load module and power supply device according to any of the preceding claims 1-6; the power supply device is configured to provide an operating power source for the load module.
8. The system of claim 7, wherein the load module comprises: a plurality of load units, a plurality of load power switches, and at least one load connection switch;
the load power supply switch is configured to electrically connect the load unit, the charge and discharge switch and the power switch in a closed state;
the load connection switches are configured to electrically connect different ones of the load supply switches in a closed state.
9. The system of claim 8, wherein the load unit is an on-board powered device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322089770.5U CN220711144U (en) | 2023-08-04 | 2023-08-04 | Power supply device and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322089770.5U CN220711144U (en) | 2023-08-04 | 2023-08-04 | Power supply device and system |
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| CN220711144U true CN220711144U (en) | 2024-04-02 |
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| CN202322089770.5U Active CN220711144U (en) | 2023-08-04 | 2023-08-04 | Power supply device and system |
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| CN (1) | CN220711144U (en) |
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