CN112821546A - Multi-battery uninterrupted power supply device, X-ray imaging system and power supply control method - Google Patents
Multi-battery uninterrupted power supply device, X-ray imaging system and power supply control method Download PDFInfo
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- CN112821546A CN112821546A CN202110312825.7A CN202110312825A CN112821546A CN 112821546 A CN112821546 A CN 112821546A CN 202110312825 A CN202110312825 A CN 202110312825A CN 112821546 A CN112821546 A CN 112821546A
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- 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
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0025—Sequential battery discharge in systems with a plurality of batteries
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a multi-battery uninterrupted power supply device, an X-ray imaging system and a power supply control method, wherein the multi-battery uninterrupted power supply device comprises a control module, a first power supply power management chip, a second power supply power management chip, a third power supply power management chip and a plurality of batteries, each battery is respectively connected with the output end of the first power supply power management chip through a first controllable electronic switch and the input end of the third power supply power management chip through a second controllable electronic switch, and each battery is directly connected with the input end of the second power supply power management chip; the output of the second power management chip powers up the second controllable electronic switch in response to the power output of the battery. According to the technical scheme provided by the invention, the power supply of the batteries is automatically switched through the plurality of batteries and the power supply power management chip, so that the detector can continuously work in a charged mode, the working time is prolonged to the greatest extent, and the detector is simple in structure, safe and stable.
Description
Technical Field
The invention relates to the technical field of power supplies, in particular to a multi-battery uninterrupted power supply device, an X-ray imaging system and a power supply control method.
Background
When the X-ray detector works, the battery is often required to be charged due to insufficient battery endurance, and the X-ray detector is not powered by a power supply source to cause work interruption in the process of charging the battery, so that the X-ray detector is not beneficial to normal use, and an X-ray imaging system based on the work of the X-ray detector is also enabled to interrupt work.
Therefore, in order to enable the X-ray detector to continuously work without power cut in a non-fixed application scene, a multi-battery uninterrupted power supply device, an X-ray imaging system and a power supply control method are needed.
Disclosure of Invention
In view of the above, there is a need for a multi-battery uninterruptible power supply apparatus, an X-ray imaging system, and a power supply control method, which can work continuously without power failure in non-stationary application scenarios, and are more intelligent and efficient. The technical scheme provided by the invention is as follows:
in one aspect, the invention provides a multi-battery uninterruptible power supply device, which comprises a control module, a first power management chip, a second power management chip, a third power management chip and a plurality of batteries, wherein each battery is respectively connected with the output end of the first power management chip through a first controllable electronic switch and the input end of the third power management chip through a second controllable electronic switch, and each battery is directly connected with the input end of the second power management chip;
the output end of the second power supply power management chip is used for powering on a second controllable electronic switch in response to the power output of the battery;
the control module is used for controlling the first controllable electronic switch and/or the second controllable electronic switch to be switched on and/or switched off,
if the electric quantity of more than two batteries is greater than the electric quantity reference threshold value, the control module controls a second controllable electronic switch corresponding to one battery to be switched on and controls the other second controllable electronic switches to be switched off; if the electric quantity of the battery in the power supply state is lower than or equal to a preset electric quantity reference threshold value, controlling a second controllable electronic switch corresponding to the battery to be switched off, and controlling a second controllable electronic switch corresponding to another battery to be switched on before or at the same time of switching off the second controllable electronic switch;
in response to the second controllable electronic switch being turned on, the corresponding battery outputs a power signal to the load through the third power management chip;
and responding to the fact that the input end of the first power supply power management chip is electrically connected with an external power supply, the output end of the first power supply power management chip is electrified by the first controllable electronic switch, and the control module controls all the first controllable electronic switches to be conducted, so that the battery enters a charging state.
Further, if the input end of the first power management chip is connected to an external wired dc power supply, the control module controls all the first controllable electronic switches to be turned on and controls one of the second controllable electronic switches to be turned on.
Further, if the input end of the first power management chip is connected to an external wireless power supply, the control module controls all the first controllable electronic switches to be turned on and simultaneously controls all the second controllable electronic switches to be turned off.
Furthermore, the multi-battery uninterruptible power supply device also comprises a plurality of battery management units, the battery management units correspond to the batteries one to one, and the battery management units are used for monitoring the electric quantity, voltage and/or current information of the batteries corresponding to the battery management units
Further, the multi-battery uninterruptible power supply device further comprises a battery compartment for accommodating the plurality of batteries, and the batteries are separable from the battery compartment.
In another aspect, the present invention provides an X-ray imaging system, including an X-ray detector, and further including the multi-battery uninterruptible power supply apparatus described in any one of the above, where the X-ray detector is connected to an output terminal of a third power management chip of the multi-battery uninterruptible power supply apparatus.
Furthermore, the multi-battery uninterruptible power supply device is further provided with a first interface and/or a second interface which are electrically connected with the first power supply power management chip, the first interface is used for connecting the input end of the first power supply power management chip with an external wired direct-current power supply, the second interface is used for connecting the input end of the first power supply power management chip with an external wireless power supply, a third controllable electronic switch is further arranged between the second interface and the external wireless power supply, and the control module controls the third controllable electronic switch to be switched on and/or switched off.
In another aspect, the present invention provides a power supply control method based on the above-mentioned multi-battery uninterruptible power supply apparatus, for providing an uninterruptible power supply to a load when the load is connected, where the power supply control method includes:
in response to the detection that the power supply device is connected with an external wired power supply, a control module of the power supply device controls first controllable electronic switches corresponding to all batteries to be conducted, and simultaneously controls second controllable electronic switches corresponding to one battery in all batteries to be conducted;
in response to the detection that the power supply device is connected with an external wireless power supply, the control module controls the first controllable electronic switches corresponding to all the batteries to be on, and controls the second controllable electronic switches corresponding to all the batteries to be off;
otherwise, in the battery range with the electric quantity larger than the preset electric quantity reference threshold, sequentially controlling the conduction of only the second controllable electronic switch corresponding to the battery with the highest priority in the current battery range according to the sequence of the priority levels of the batteries from high to low, and switching the conduction of the second controllable electronic switch corresponding to the battery with the next priority and enabling the conduction time of the second controllable electronic switch not to be later than the turn-off time of the second controllable electronic switch corresponding to the battery with the previous priority when the electric quantity of the battery is smaller than or equal to the electric quantity reference threshold.
Furthermore, the multi-battery uninterrupted power supply device comprises a battery management unit, and the control module controls the second controllable electronic switch to be switched on and/or switched off according to the electric quantity of the battery monitored by the battery management unit.
Further, a third controllable electronic switch is further arranged between the power supply device and an external wireless power supply, and the power supply control method further comprises the following steps:
and if the electric quantity of all the batteries is less than or equal to the electric quantity reference threshold value and the power supply device is not connected with an external wired power supply, the control module controls the third controllable electronic switch to be switched on so as to enable the power supply device to be connected with an external wireless power supply.
The invention has the following advantages:
a) the plurality of batteries can be switched to supply power at any time, so that the detector can continuously work in a charged mode;
b) by arranging a plurality of power supply power management chips, a battery is reasonably selected to supply power, so that the working time of the detector is prolonged to the greatest extent;
c) when the external power supply is switched on, the power can be supplied to the detector, the battery can be charged, and double guarantee is provided for the continuous work of the detector;
d) simple structure, safety and stability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a block diagram of an X-ray imaging system according to an embodiment of the present invention.
Wherein the reference numerals include: 1-a first controllable electronic switch, 2-a second controllable electronic switch, 3-a third controllable electronic switch.
Detailed Description
In order to make the technical solutions of the present invention better understood and more clearly understood by those skilled in the art, the technical solutions of the embodiments of the present invention will be described below in detail and completely with reference to the accompanying drawings. It should be noted that the implementations not shown or described in the drawings are in a form known to those of ordinary skill in the art. Additionally, while exemplifications of parameters including particular values may be provided herein, it is to be understood that the parameters need not be exactly equal to the respective values, but may be approximated to the respective values within acceptable error margins or design constraints. It is to be understood that the described embodiments are merely exemplary of a portion of the invention and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this invention, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In an embodiment of the present invention, a multi-battery uninterruptible power supply apparatus is provided, as shown in fig. 1, the multi-battery uninterruptible power supply apparatus includes a control module, a first power management chip, a second power management chip, a third power management chip, and a plurality of batteries, each battery is connected to an output terminal of the first power management chip through a first controllable electronic switch 1, and is connected to an input terminal of the third power management chip through a second controllable electronic switch 2, and each battery is directly connected to an input terminal of the second power management chip.
The control module is used for controlling the first controllable electronic switch 1 and/or the second controllable electronic switch 2 to be turned on and/or turned off, specifically, if the electric quantity of more than two batteries is greater than an electric quantity reference threshold value, the control module controls the second controllable electronic switch 2 corresponding to one battery to be turned on and controls the rest second controllable electronic switches 2 to be turned off; and if the electric quantity of the battery in the power supply state is lower than or equal to a preset electric quantity reference threshold value, controlling the second controllable electronic switch 2 corresponding to the battery to be switched off, and controlling the second controllable electronic switch 2 corresponding to another battery to be switched on before or at the same time of switching off the second controllable electronic switch 2.
And responding to the fact that the input end of the first power supply power management chip is electrically connected with an external power supply, the output end of the first power supply power management chip is powered on the first controllable electronic switch 1, and the control module controls all the first controllable electronic switches 1 to be conducted, so that the battery enters a charging state.
It should be noted that a branch (not shown) is led out from the output end of the first power management chip, and the branch supplies power to the first controllable electronic switch 1 through a DC-DC (direct current) converter and a Low-DropOut Regulator (LDO), and similarly, the output end of the second power management chip also supplies power to the second controllable electronic switch 2 through a branch (not shown); in addition, the controllable electronic switch may be one or more of an optocoupler, a MOSFET, an IGBT or other controllable electronic switches, without limiting the scope of the present invention.
In response to the power output of the battery, the output end of the second power supply power management chip powers up a second controllable electronic switch 2; in response to the second controllable electronic switch 2 being turned on, the corresponding battery outputs a power signal to the load via the third power management chip.
The external load is provided with an uninterrupted power signal during switching of the external wired dc power supply or switching of different batteries to supply power to the external load.
In an embodiment of the present invention, a multi-battery uninterruptible power supply device is provided, where the multi-battery uninterruptible power supply device is connected to an external wired dc power supply, and specifically, if the input terminal of the first power management chip is connected to the external wired dc power supply, the control module controls all the first controllable electronic switches 1 to be turned on, and at the same time, controls one of the second controllable electronic switches 2 to be turned on, that is, the external wired dc power supply charges the battery, and outputs a power signal to a load.
In an embodiment of the present invention, a multi-battery uninterruptible power supply device is provided, where the multi-battery uninterruptible power supply device is connected to an external wireless power supply, and specifically, if the input terminal of the first power management chip is connected to the external wireless power supply, the control module controls all the first controllable electronic switches 1 to be turned on and all the second controllable electronic switches 2 to be turned off, that is, the external wireless power supply charges the battery and does not output a power signal to a load.
In an embodiment of the present invention, the multi-battery uninterruptible power supply further includes a plurality of battery management units, the battery management units correspond to the batteries one by one, and the battery management units are configured to monitor information about electric quantity, voltage, and/or current of the batteries corresponding to the battery management units, and provide the control module with a basis for controlling the second controllable electronic switch 2 to be turned on and/or off.
In one embodiment of the present invention, the multi-battery uninterruptible power supply further includes a battery compartment for accommodating the plurality of batteries, and the batteries are separable from the battery compartment.
In an embodiment of the present invention, an X-ray imaging system is provided, as shown in fig. 1, and includes an X-ray detector and the above-mentioned multi-battery uninterruptible power supply apparatus, where the X-ray detector is connected to an output terminal of a third power management chip of the multi-battery uninterruptible power supply apparatus, and the multi-battery uninterruptible power supply apparatus outputs a power signal to the X-ray detector through the third power management chip.
In an embodiment of the present invention, the multi-battery uninterruptible power supply device is further provided with a first interface and/or a second interface electrically connected to the first power management chip, the first interface is used for connecting an input end of the first power management chip to an external wired dc power supply, the second interface is used for connecting an input end of the first power management chip to an external wireless power supply, a third controllable electronic switch 3 is further provided between the second interface and the external wireless power supply, and the control module controls the third controllable electronic switch 3 to be turned on and/or off, so as to supply power to the battery in the multi-battery uninterruptible power supply device by the external wireless power supply.
In an embodiment of the present invention, an X-ray imaging system is provided, as shown in fig. 1, including a battery a, a battery B, a first power management chip, a second power management chip, a third power management chip, a battery management unit a, a battery management unit B, a control module, and an X-ray detector, where the system further has wireless charging and wired power supply modes, where the wireless power supply and the wired power supply are both electrically connected to an input end of the first power management chip, and a third controllable electronic switch 3 is further disposed between the wireless power supply and the input end of the first power management chip.
The battery A is connected with the output end of a first power supply power management chip through a first controllable electronic switch 1 and is connected with the input end of a third power supply power management chip through a second controllable electronic switch 2, the battery A is directly connected with the input end of the second power supply power management chip, and the battery A is correspondingly connected with a battery management unit A; the battery B is connected with the output end of the first power supply power management chip through the first controllable electronic switch 1 and connected with the input end of the third power supply power management chip through the second controllable electronic switch 2, the battery B is directly connected with the input end of the second power supply power management chip, and the battery B is correspondingly connected with the battery management unit B.
One branch of the output end of the first power supply power management chip, namely the end C, supplies power to the first controllable electronic switch 1; the second controllable electronic switch 2 is powered by the second power supply, a branch (not shown) of the output end of the power management chip, i.e. the D end.
And the control module controls the first controllable electronic switch 1, the second controllable electronic switch 2 and the third controllable electronic switch 3 to be switched on and/or off through GPIO ports.
For the sake of brevity and clarity of the operation of the system, the first controllable electronic switch 1 connected to the battery a is referred to as switch a1, the second controllable electronic switch 2 connected to the battery a is referred to as switch a2, the first controllable electronic switch 1 connected to the battery B is referred to as switch B1, the second controllable electronic switch 2 connected to the battery B is referred to as switch B2, and the third controllable electronic switch 3 is referred to as switch 3, and the operation of the system is as follows:
the battery A and the battery B are both arranged in the battery compartment and have electric quantity (application of the two battery plates);
a. the wired charging and the wireless charging are not started, the third power supply power management chip selects one of the battery A and the battery B to supply power to the X-ray detector, in this scene, the end C is not electrified, the end D is electrified, the switch 3 can be switched on and off, and the switch A2 and the switch B2 are switched on;
b. the method comprises the following steps that wired magnetic attraction is connected on the basis of a scene a, wired charging is started, a wired power supply supplies power to the X-ray detector and simultaneously charges the battery A and the battery B, in the scene, the C, D ends are all powered on, the switches A1, A2, B1 and B2 are all switched on, the switch 3 can be switched on and off, and the third power supply power management chip allows two inputs to be the same 24V and 2A wired power supply;
c. the wireless charging is started again on the basis of the scene B, and as the priority of the wireless charging is lower than that of the wired charging, the X-ray detector still gets power from a wired power supply, in the scene, the C, D end is powered, the switches A1, A2, B1 and B2 are all switched on, and the switch 3 can be switched on and off; if the switch 3 is turned on, the first power supply power management chip preferentially selects a wired charging mode;
d. the wireless charging is started on the basis of a scene a, the control module determines which battery panel supplies power to the X-ray detector according to the electric quantity of the battery A and the battery B, and which battery panel is wirelessly charged, and under the scene, two conditions exist:
c, D ends are all electrified, the switch 3 is conducted, the switch A1 is conducted, the switch A2 is disconnected (the battery A is charged), the switch B1 is disconnected, and the switch B2 is conducted (the battery B supplies power to the X-ray detector);
c, D ends are all electrified, the switch 3 is conducted, the switch A1 is disconnected, the switch A2 is conducted (the battery A supplies power to the X-ray detector), the switch B1 is conducted, and the switch B2 is disconnected (the battery B is charged);
e. the wired magnetic attraction is connected in a scene d, the system is switched to a wired power supply mode due to the fact that the wired priority is higher than the wireless priority, a wired direct-current power supply supplies power to the X-ray detector and simultaneously charges the battery A and the battery B, in the scene, the C, D end is electrified, the switch A1, the switch A2, the switch B1 and the switch B2 are all conducted, and the switch 3 can be switched on and off;
in working scenes a and d, the batteries A and B can be used up to cause power failure finally, and the wireless charging mode can only delay the occurrence of power failure; in a working scene d, the battery A and the battery B are fully charged; in working scenes b, c and e, due to the fact that the wired charging source is started, the two battery boards are filled up finally no matter whether the two battery boards are in a normal working state or not.
(II) Battery A or B is placed in the battery compartment and has electric quantity (application scene of single battery board)
Taking the battery a placed in the battery compartment as an example:
f. when the wired charging and the wireless charging are not started, the battery A is powered, the third power supply power management chip finds the battery A from two input ends of the third power supply power management chip to supply power to the X-ray detector, in the scene, the end C is not powered, the end D is powered, the switches A1, B1 and 3 are random, and the switches A2 and B2 are switched on;
g. the wired magnetic attraction is connected to a scene f, a wired direct-current power supply supplies power to the system and charges a battery A, in the scene, the C, D end is electrified, switches A1, A2, B1 and B2 are all switched on, and the switch 3 can be switched on or off;
h. wireless charging is started on the basis of a scene g, as the wireless priority is lower than that of a wire, power is still taken from the wire, a wireless power supply is omitted, in the scene, the C, D end is powered on, the switches A1, A2, B1 and B2 are all conducted, and the switch 3 can be switched on or off;
i. the wireless charging is started on the basis of a scene f, because the same battery panel cannot be charged and discharged simultaneously, the battery A is charged when the battery A is powered off, in this scene, the C, D end is powered on, the switches A1, B1 and 3 are switched on, the switches A2 and B2 are switched off, and the battery A can only be used for supplying power to the system when the battery A is powered on, the wireless charging power supply is ready but unavailable, the third power supply power management chip finds the battery panel from the two input ends of the third power supply power management chip to supply power to the X-ray detector, at this time, the C, D end is powered on, the 3 is switched off, the switches A2 and B2 are switched on, and the switches A1 and B1 are switched on and switched off;
j. wired magnetic attraction is connected in a scene i, the wired magnetic attraction is switched to wired power supply due to the fact that the wired priority is higher than the wireless priority, a wired direct-current power supply supplies power to the X-ray detector and charges the battery A, in the scene, the C, D end is powered on, the switches A1, A2, B1 and B2 are all conducted, and the switch 3 can be switched on and off;
(III) neither the battery A nor the battery B is arranged in the battery compartment (application scene without battery board)
k. Under the condition of no battery board, the normal work of the wireless power supply can be maintained only through wired magnetic attraction power supply, the wired power supply is powered off immediately when being cut off, in the scene, the C, D end is powered on, the switches A1, A2, B1 and B2 are all powered on and off, and the switches A1 and B1 can not be powered by the output of the D end in the figure 1 in consideration of the use scene, otherwise, all the switches are powered off due to the fact that no battery board exists and the D end is not powered by default, the wired power supply cannot be transmitted to the input end of the third power supply power management chip from the C end if the switches A1 and B1 are both powered off, but the problem is solved in the figure 1 that the switches A1 and B1 are powered through the C end, the C end is powered on after the wired charging is started, the switches A1 and B1 are powered on accordingly, and then the current is powered on through the second power supply power management chip to enable the D end, and the switch A2 is powered on, B2 is electrified, finally the control module controls the switches A2 and B2 to be conducted through GPIO ports, and a direct current power supply is input into the third power supply power management chip to supply power to the X-ray detector.
The control part of the control module is dominated by the chip, and the output of the control module is relatively simple, namely 5 paths of output (occupying 5 GPIO pins) respectively control the on-off of the switches A1, A2, B1, B2 and 3, as shown in Table 1.
TABLE 1 input/output correspondence of control modules
Wherein ● indicates yes, present, or enabled; o means no, absent, or not enabled; DC (Don't care) means Don't care or Don't care.
In addition, the input events in table 1 (wired, wireless, power on, and number of panels) are detailed in table 2 and are summarized to the control module.
Table 2 details of input events
In an embodiment of the present invention, there is provided a power supply control method of the above-mentioned multi-battery uninterruptible power supply apparatus, configured to provide an uninterruptible power supply for a load when the load is connected, where the power supply control method includes:
in response to the detection that the power supply device is connected with an external wired power supply, a control module of the power supply device controls the conduction of the first controllable electronic switches 1 corresponding to all the batteries, and simultaneously controls the conduction of the second controllable electronic switch 2 corresponding to one of all the batteries;
in response to the detection that the power supply device is connected to an external wireless power supply, the control module controls the first controllable electronic switches 1 corresponding to all the batteries to be on, and controls the second controllable electronic switches 2 corresponding to all the batteries to be off;
otherwise, in the battery range with the electric quantity larger than the preset electric quantity reference threshold, according to the sequence of the priority levels of the batteries from high to low, only the second controllable electronic switch 2 corresponding to the battery with the highest priority level in the current battery range is controlled to be switched on in sequence, and when the electric quantity of the battery is smaller than or equal to the electric quantity reference threshold, the second controllable electronic switch 2 corresponding to the battery with the next priority level is switched on, and the on time of the second controllable electronic switch 2 corresponding to the battery with the next priority level is not later than the off time of the second controllable electronic switch 2 corresponding to the battery with the previous priority level.
In an embodiment of the present invention, the multi-battery uninterruptible power supply device in the power supply control method further includes a battery management unit, and the control module controls the second controllable electronic switch 2 to be turned on and/or off according to the electric quantity of the battery monitored by the battery management unit.
In an embodiment of the present invention, a third controllable electronic switch 3 is further disposed between the multi-battery uninterruptible power supply device and an external wireless power supply in the power supply control method, and the power supply control method further includes:
if the electric quantity of all the batteries is smaller than or equal to the electric quantity reference threshold value and the power supply device is not connected with an external wired power supply, the control module controls the third controllable electronic switch 3 to be conducted so that the power supply device is connected with an external wireless power supply.
The idea of the embodiment of the power supply control method is the same as the working process of the X-ray imaging system in the above embodiment, and the entire contents of the embodiment of the X-ray imaging system are incorporated into the embodiment of the power supply control method by full reference, which is not described again.
The X-ray detector is powered by multiple batteries, charging and discharging are intelligently controlled, two modes of wired charging and wireless charging are compatible, the multiple batteries can be switched to use at will, hot plug use of the batteries is realized, the system can continuously work without power interruption, the problem that the work operation is interrupted due to the fact that the batteries are not enough to be charged during cruising is solved, and the X-ray detector is applied to a wider field in a mobile mode.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes that can be directly or indirectly applied to other related technical fields using the contents of the present specification and the accompanying drawings are included in the scope of the present invention.
Claims (10)
1. A multi-battery uninterrupted power supply device is characterized by comprising a control module, a first power supply power management chip, a second power supply power management chip, a third power supply power management chip and a plurality of batteries, wherein each battery is respectively connected with the output end of the first power supply power management chip through a first controllable electronic switch (1) and the input end of the third power supply power management chip through a second controllable electronic switch (2), and each battery is directly connected with the input end of the second power supply power management chip;
the output end of the second power supply power management chip is used for powering on a second controllable electronic switch (2) in response to the power output of the battery;
the control module is used for controlling the first controllable electronic switch (1) and/or the second controllable electronic switch (2) to be switched on and/or off,
if the electric quantity of more than two batteries is larger than the electric quantity reference threshold value, the control module controls the second controllable electronic switch (2) corresponding to one battery to be switched on and controls the other second controllable electronic switches (2) to be switched off; if the electric quantity of the battery in the power supply state is lower than or equal to a preset electric quantity reference threshold value, controlling the second controllable electronic switch (2) corresponding to the battery to be switched off, and controlling the second controllable electronic switch (2) corresponding to another battery to be switched on before or at the same time of switching off the second controllable electronic switch (2);
in response to the second controllable electronic switch (2) being turned on, the corresponding battery outputs a power signal to the load through the third power management chip;
responding to the fact that the input end of the first power supply power management chip is electrically connected with an external power supply, the output end of the first power supply power management chip is powered on the first controllable electronic switch (1), and the control module controls all the first controllable electronic switches (1) to be conducted, so that the battery enters a charging state.
2. The uninterruptible power supply device with multiple batteries according to claim 1, wherein if the input terminal of the first power management chip is connected to an external wired dc power source, the control module controls all the first controllable electronic switches (1) to be turned on and controls one of the second controllable electronic switches (2) to be turned on simultaneously.
3. The uninterruptible power supply device with multiple batteries according to claim 1, wherein if the input terminal of the first power management chip is connected to an external wireless power source, the control module controls all the first controllable electronic switches (1) to be turned on and all the second controllable electronic switches (2) to be turned off.
4. The uninterruptible power supply device with multiple batteries according to claim 1, further comprising a plurality of battery management units, wherein the battery management units correspond to the batteries one by one, and the battery management units are configured to monitor information about the electric quantity, voltage and/or current of the corresponding batteries.
5. The multi-battery uninterruptible power supply of claim 1, further comprising a battery compartment for housing the plurality of batteries, the batteries being separable from the battery compartment.
6. An X-ray imaging system comprising an X-ray detector, further comprising a multi-cell uninterruptible power supply as claimed in any of claims 1 to 5, wherein the X-ray detector is connected to an output of a third power management chip of the multi-cell uninterruptible power supply.
7. The X-ray imaging system of claim 6, wherein the multi-battery uninterruptible power supply device is further provided with a first interface and/or a second interface electrically connected with the first power supply power management chip, the first interface is used for connecting an input end of the first power supply power management chip with an external wired direct current power supply, the second interface is used for connecting an input end of the first power supply power management chip with an external wireless power supply, a third controllable electronic switch (3) is further arranged between the second interface and the external wireless power supply, and the control module controls the third controllable electronic switch (3) to be switched on and/or switched off.
8. A power supply control method of a multi-battery uninterruptible power supply device according to claim 1, for providing an uninterruptible power supply to a load when the load is connected, the power supply control method comprising:
in response to the fact that the power supply device is connected with an external wired power supply, a control module of the power supply device controls first controllable electronic switches (1) corresponding to all batteries to be conducted, and simultaneously controls second controllable electronic switches (2) corresponding to one battery in all batteries to be conducted;
in response to the fact that the power supply device is connected to an external wireless power supply, the control module controls first controllable electronic switches (1) corresponding to all batteries to be connected, and controls second controllable electronic switches (2) corresponding to all batteries to be disconnected;
otherwise, in the battery range with the electric quantity larger than the preset electric quantity reference threshold, according to the sequence of the priority levels of the batteries from high to low, only the second controllable electronic switch (2) corresponding to the battery with the highest priority level in the current battery range is controlled to be switched on in sequence, and when the electric quantity of the battery is smaller than or equal to the electric quantity reference threshold, the second controllable electronic switch (2) corresponding to the battery with the next priority level is switched on and the on time of the second controllable electronic switch (2) corresponding to the battery with the previous priority level is not later than the off time of the second controllable electronic switch (2) corresponding to the battery with the previous priority level.
9. The power supply control method according to claim 8, wherein the multi-battery uninterruptible power supply device comprises a battery management unit, and wherein the control module controls the second controllable electronic switch (2) to be turned on and/or off according to the battery level monitored by the battery management unit.
10. The power supply control method according to claim 8, wherein a third controllable electronic switch (3) is further provided between the power supply device and an external wireless power supply, and the power supply control method further comprises:
and if the electric quantity of all the batteries is less than or equal to the electric quantity reference threshold value and the power supply device is not connected with an external wired power supply, the control module controls the third controllable electronic switch (3) to be conducted so as to enable the power supply device to be connected with an external wireless power supply.
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| CN202110312825.7A CN112821546A (en) | 2021-03-24 | 2021-03-24 | Multi-battery uninterrupted power supply device, X-ray imaging system and power supply control method |
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| CN202110312825.7A CN112821546A (en) | 2021-03-24 | 2021-03-24 | Multi-battery uninterrupted power supply device, X-ray imaging system and power supply control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690972A (en) * | 2021-08-18 | 2021-11-23 | 广州高新兴机器人有限公司 | Power supply unit and robot of robot |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690972A (en) * | 2021-08-18 | 2021-11-23 | 广州高新兴机器人有限公司 | Power supply unit and robot of robot |
| CN113690972B (en) * | 2021-08-18 | 2024-04-26 | 广州高新兴机器人有限公司 | Power supply device of robot and robot |
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