CN108878919B - Device and method for activating battery of maintenance-free equipment without human intervention for long-term storage - Google Patents
Device and method for activating battery of maintenance-free equipment without human intervention for long-term storage Download PDFInfo
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- CN108878919B CN108878919B CN201810422807.2A CN201810422807A CN108878919B CN 108878919 B CN108878919 B CN 108878919B CN 201810422807 A CN201810422807 A CN 201810422807A CN 108878919 B CN108878919 B CN 108878919B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5011—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature for several cells simultaneously or successively
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5088—Initial activation; predischarge; Stabilisation of initial voltage
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- 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 discloses an activation device and a method for a battery of maintenance-free equipment without human intervention during long-term storage, which comprises a rotation activation circuit, a safety protection circuit and a single chip microcomputer; the rotation activation circuit comprises a plurality of groups of activation circuits; each set of activation circuits comprises at least 1 activation circuit; each activation circuit comprises a switching tube, a bias resistor, a load resistor and a battery to be activated; the grid electrode of the switching tube is connected with the single chip microcomputer, a bias resistor is connected between the grid electrode and the source electrode of the switching tube, and the drain electrode of the switching tube is connected with the load resistor and the battery to be activated in series; the invention realizes the alternate activation by controlling the timing conversion of each group of activation circuits through the single chip microcomputer, thereby realizing the activation of the battery to be activated. The invention has reasonable design and ingenious conception, not only improves the loading capacity of the battery, but also solves the problem of activating the battery of the maintenance-free equipment without human intervention during long-term storage on the premise of not influencing the normal work of the singlechip.
Description
Technical Field
The invention relates to the field of maintenance-free equipment batteries, in particular to an activation device and method for long-term storage of maintenance-free equipment batteries without human intervention.
Background
In the fields of actual production life, national defense and military industry and the like, a plurality of devices which are stored once or used in small quantity for a long time are commonly used, and many of the devices are maintenance-free devices which are in a state of no human intervention for a long time, such as mines, missiles and the like. The battery is an indispensable part of these devices, however, the battery (including but not limited to lithium-thionyl chloride battery) is passivated due to long-term storage, a protective film is generated between electrodes, the operation of the battery is not affected when the current flowing in the battery is small, and the battery has the advantages of reducing electric leakage and prolonging the storage time of the battery. However, when the device needs to be started up to work, a large current needs to flow through the battery, and a large voltage drop is generated at two ends of the battery passivation film, so that the normal work of the device cannot be supported due to too low load voltage. Therefore, a large current needs to be added to break down the passivation film to activate the battery, so that the load voltage of the battery gradually rises to be normal.
In the maintenance-free equipment with no human intervention in long-term storage, due to the characteristic requirements of the maintenance-free equipment, the state detection, task completion and the like of the low-power consumption single chip microcomputer control equipment in long-term storage and use are generally required. When the battery is passivated, milliampere-level low current driven by the battery is enough to support the normal work of the single-chip microcomputers, but when the equipment is started for use, the low current is not enough to support the normal work of the equipment. On the other hand, in order to enable the equipment to be used normally, the battery needs to be activated, the voltage of the battery is sharply reduced at the moment, and if the equipment works under low voltage, the sharply reduced voltage of the battery can influence the work of the single chip microcomputer and even damage a control circuit of the single chip microcomputer.
Disclosure of Invention
In order to solve the problems of the background art, the invention aims to provide an activation device and method for a battery of a maintenance-free device without human intervention for long-term storage.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention discloses an activation device for a battery of maintenance-free equipment with long-term storage and no human intervention, which comprises a rotation activation circuit, a safety protection circuit and a singlechip;
the alternate activation circuit comprises a plurality of groups of activation circuits; each set of said activation circuits comprises at least 1 activation circuit; each activation circuit comprises a switching tube, a bias resistor, a load resistor and a battery to be activated; the grid electrode of the switching tube is connected with the singlechip and used for inputting a control signal for activating the battery; the bias resistor is connected between the grid electrode and the source electrode of the switching tube and is used for fixing bias and protecting the switching tube; the drain electrode of the switching tube is connected with the load resistor and the battery to be activated in series;
the safety protection circuit is formed by connecting an isolation diode in series between every two parallel activation circuits and connecting an isolation diode in series between a battery to be activated and a load resistor.
Further, the battery to be activated in each activation circuit is a single battery or a battery pack with a plurality of single batteries connected in parallel.
Further, the switch tube comprises a MOSFET.
In the invention, the battery to be activated in each group of activation circuits can be a single battery or a battery pack formed by connecting a plurality of single batteries in parallel; such designs are primarily due to several considerations:
(1) under most conditions, the battery capacity required by normal operation of the equipment is larger than the capacity of a single battery, and at the moment, the parallel battery pack can meet the requirement of the battery capacity under the condition of not influencing the normal operating voltage; meanwhile, the design can control the activation of a plurality of batteries by using one controller.
(2) If the capacity of the single battery can meet the battery capacity required by normal operation of equipment, the single battery connected in parallel with the single battery can be used as a redundancy design, and the reliability of the system is improved.
The invention also discloses an activation method of the battery of the maintenance-free equipment without human intervention for long-term storage, which comprises the following steps:
step one, when the equipment is stored, all switch tubes are turned off, namely n activation circuits are all open circuits;
dividing n activation circuits into m groups, wherein m is more than or equal to 2 and less than or equal to n, and each group comprises at least 1 activation circuit; when the equipment works, each activation circuit in one group is ensured to be in a working state, the singlechip is used for controlling the activation of the battery to be activated in the activation circuit, each activation circuit in other groups is ensured to be in a disconnected state, and the basic power supply voltage required by the work of the singlechip is maintained;
step three, alternate activation, namely judging whether the battery to be activated in each activation circuit in the working state in the step two reaches the set unit activation time, and if not, continuing the activation; if yes, turning off each activation circuit of the group in an open state, controlling and converting the activation circuits into activation of the battery to be activated in each activation circuit of the other group by the single chip microcomputer, ensuring that the activation circuits of the other groups are in a disconnected state, and maintaining the basic power supply voltage required by the work of the single chip microcomputer;
step four, converting the activation circuits of all groups through the control of a single chip microcomputer according to the step three, and activating the battery to be activated in each activation circuit in each group;
step five, judging whether each group of activated circuits is activated in the step four, if so, entering the next step, and if not, continuing to activate the circuits which are not activated;
judging the state, namely judging whether the accumulated activation time of the batteries to be activated in each group of activation circuits reaches the activation time required by the batteries to be activated or whether the load voltage of the batteries to be activated in each group of activation circuits reaches the load voltage requirement, and if not, returning to the step two; if yes, all the activation circuits are turned off.
Further, the unit activation time set in the third step is less than the activation time of the battery to be activated, and the activation time of the battery to be activated is the activation time required by each single battery in the battery to be activated.
Further, the activation time required by each single battery in the battery to be activated is calculated according to the basic parameters of the selected battery and the load resistor.
The battery activation method for the maintenance-free equipment with long-term storage and no human intervention provided by the invention does not influence the normal work of the low-power consumption single chip microcomputer in the battery activation process, and the activation work is not wrong at all, thereby laying a foundation for the subsequent high-power work.
Compared with the prior art, the invention has the following beneficial effects:
1. the switch tube can enable a plurality of groups (covering multi-path circulation and grouping) of batteries to be activated not to be activated simultaneously, and the batteries can normally supply power to the single chip microcomputer all the time in the battery activation process, so that the requirements of the work of the single chip microcomputer and the work of equipment can be met simultaneously.
2. One controller can control the activation of one or more batteries, saving time and cost.
3. One group of activation circuits works for a certain time, namely, the activation circuits are switched to work in the other group of activation circuits, and the activation is completed by repeated circulation for many times, but the activation circuits are not switched to work in the other group of activation circuits after the activation of one group of activation circuits is completed, so that the load carrying capacity of the battery can be improved.
4. Because the single batteries always have difference in parameters such as resistance and the like, all the isolation diodes in the protection circuit can ensure that the single batteries cannot be charged mutually; in addition, the isolation diodes connected in series in the parallel branches can prevent the batteries in other branches from charging when the voltage of a certain group of batteries is reduced sharply due to activation. These protection circuits can reduce battery consumption and improve battery life.
5. The battery is not passivated after being activated.
Drawings
FIG. 1 is a flow chart of a method for activating a battery of a long-term storage maintenance-free device without human intervention according to the present invention;
FIG. 2 is a flow chart of a method for activating a battery of the long-term storage maintenance-free device of the present invention;
fig. 3 is a circuit diagram of an apparatus for activating a battery of a long-term storage maintenance-free device without human intervention, in accordance with an embodiment of the present invention.
FIG. 1 is a flowchart of an activation method for determining whether activation is completed according to whether the accumulated activation time reaches the activation time required by the battery; FIG. 2 is a flowchart of an activation method that determines whether activation is complete based on whether the load voltage reaches the normal operating voltage of the battery; wherein all n activation circuits are divided into m groups (m is more than or equal to 2 and less than or equal to n, and n and m are positive integers).
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
the invention discloses an activation device for a battery of maintenance-free equipment with long-term storage and no human intervention, which comprises a rotation activation circuit, a safety protection circuit and a singlechip;
the alternate activation circuit comprises a plurality of groups of activation circuits; each set of said activation circuits comprises at least 1 activation circuit; each activation circuit comprises a switching tube, a bias resistor, a load resistor and a battery to be activated; the grid electrode of the switching tube is connected with the singlechip and used for inputting a control signal for activating the battery; the bias resistor is connected between the grid electrode and the source electrode of the switching tube and is used for fixing bias and protecting the switching tube; the drain electrode of the switching tube is connected with the load resistor and the battery to be activated in series;
the safety protection circuit is formed by connecting an isolation diode in series between every two parallel activation circuits and connecting an isolation diode in series between a battery to be activated and a load resistor.
Further, the battery to be activated in each group of activation circuits is a single battery or a battery pack with a plurality of single batteries connected in parallel.
Further, the switch tube comprises a MOSFET.
The invention also discloses a method for activating the battery of the maintenance-free device without human intervention in long-term storage, which comprises the following steps as shown in figures 1 and 2:
step one, when the equipment is stored, all switch tubes are turned off, namely n activation circuits are all open circuits;
dividing n activation circuits into m groups, wherein m is more than or equal to 2 and less than or equal to n, and each group comprises at least 1 activation circuit; when the equipment works, each activation circuit in one group is ensured to be in a working state, the singlechip is used for controlling the activation of the battery to be activated in the activation circuit, each activation circuit in other groups is ensured to be in a disconnected state, and the basic power supply voltage required by the work of the singlechip is maintained;
step three, alternate activation, namely judging whether the battery to be activated in each activation circuit in the working state in the step two reaches the set unit activation time, and if not, continuing the activation; if yes, turning off each activation circuit of the group in an open state, controlling and converting the activation circuits into activation of the battery to be activated in each activation circuit of the other group by the single chip microcomputer, ensuring that the activation circuits of the other groups are in a disconnected state, and maintaining the basic power supply voltage required by the work of the single chip microcomputer;
step four, converting the activation circuits of all groups through the control of a single chip microcomputer according to the step three, and activating the battery to be activated in each activation circuit in each group;
step five, judging whether each group of activated circuits is activated in the step four, if so, entering the next step, and if not, continuing to activate the circuits which are not activated;
judging the state, namely judging whether the accumulated activation time of the batteries to be activated in each group of activation circuits reaches the activation time required by the batteries to be activated or whether the load voltage of the batteries to be activated in each group of activation circuits reaches the load voltage requirement, and if not, returning to the step two; if yes, all the activation circuits are turned off.
All n activation circuits are divided into m groups (m is more than or equal to 2 and less than or equal to n n, and m is a positive integer).
Further, the unit activation time set in the third step is less than the activation time of the battery to be activated, and the activation time of the battery to be activated is the activation time required by each single battery in the battery to be activated.
Further, the activation time required by each single battery in the battery to be activated is calculated according to the basic parameters of the selected battery and the load resistor.
The battery activation method for the maintenance-free equipment with long-term storage and no human intervention provided by the invention does not influence the normal work of the low-power consumption single chip microcomputer in the battery activation process, and the activation work is not wrong at all, thereby laying a foundation for the subsequent high-power work.
The present invention provides a specific embodiment, as shown in FIG. 3. The embodiment provides an activation device for a battery of maintenance-free equipment with long-term storage and no human intervention, which comprises a rotation activation circuit, a safety protection circuit and a single chip microcomputer; the alternate activation circuit comprises a first activation circuit, a second activation circuit, a third activation circuit, a fourth activation circuit and a fifth activation circuit which are divided into 3 groups, wherein the 1 st group comprises the first activation circuit and the second activation circuit, the second group comprises the third activation circuit and the fourth activation circuit, the third group comprises the fifth activation circuit, and different groups of battery packs are activated in turn through an activation instruction sent by the single chip microcomputer; the safety protection circuit mainly prevents the mutual charging between the single batteries and between the battery packs so as to prolong the service life of the batteries.
The individual circuit components will be described in detail below.
The first activation circuit comprises a bias resistor 1R1, a switching tube Q1, a load resistor 1R2, a battery 1VB1 and a battery 1VB 2; the battery 1VB1 is connected with the battery 1VB2 in parallel to form a first battery pack; a grid G1 of the switching tube Q1 is connected with a port I/O1 of the singlechip and used for outputting a control signal V1; a bias resistor 1R1 is connected in series between the source S1 of the switching tube Q1 and the gate G1 of the switching tube Q1; the drain D1 of the switching tube Q1 is connected in series with the load resistor 1R2 and the anode of the first battery pack; the cathode of the first battery pack and the source S1 of the switching tube Q1 are both grounded.
The second activation circuit comprises a bias resistor 2R1, a switching tube Q2, a load resistor 2R2, a battery 2VB1 and a battery 2VB 2; the battery 2VB1 is connected with the battery 2VB2 in parallel to form a second battery pack; a grid G2 of the switching tube Q2 is connected with a port I/O2 of the singlechip and used for outputting a control signal V2; a bias resistor 2R1 is connected in series between the source S2 of the switching tube Q2 and the gate G2 of the switching tube Q2; the drain D2 of the switching tube Q2 is connected with the load resistor 2R2 and the anode of the second battery pack in series; the cathode of the second battery pack and the source S2 of the switching tube Q2 are both grounded.
The third activation circuit comprises a bias resistor 3R1, a switching tube Q3, a load resistor 3R2, a battery 3VB1 and a battery 3VB 2; the battery 3VB1 is connected with the battery 3VB2 in parallel to form a third battery pack; a grid G3 of the switching tube Q3 is connected with a port I/O3 of the singlechip and used for outputting a control signal V3; a bias resistor 3R1 is connected in series between the source S3 of the switching tube Q3 and the gate G3 of the switching tube Q3; the drain D3 of the switching tube Q3 is connected with the load resistor 3R2 and the anode of the third battery pack in series; the cathode of the third battery pack and the source S3 of the switching tube Q3 are both grounded.
The fourth activation circuit comprises a bias resistor 4R1, a switching tube Q4, a load resistor 4R2, a battery 4VB1 and a battery 4VB 2; the battery 4VB1 is connected with the battery 4VB2 in parallel to form a fourth battery pack; a grid G4 of the switching tube Q4 is connected with a port I/O4 of the singlechip and used for outputting a control signal V4; a bias resistor 4R1 is connected in series between the source S4 of the switching tube Q4 and the gate G4 of the switching tube Q4; the drain D4 of the switching tube Q4 is connected with the load resistor 4R2 and the anode of the fourth battery pack in series; the cathode of the fourth battery pack and the source S4 of the switching tube Q4 are both grounded.
The fifth activation circuit comprises a bias resistor 5R1, a switching tube Q5, a load resistor 5R2, a battery 5VB1 and a battery 5VB 2; the battery 5VB1 is connected with the battery 5VB2 in parallel to form a fifth battery pack; a grid G5 of the switching tube Q5 is connected with a port I/O5 of the singlechip and used for outputting a control signal V5; a bias resistor 5R1 is connected in series between the source S5 of the switching tube Q5 and the gate G5 of the switching tube Q5; the drain D5 of the switching tube Q5 is connected with the load resistor 5R2 and the anode of the fifth battery pack in series; the cathode of the fifth battery pack and the source S5 of the switching tube Q5 are both grounded.
The first, second, third, fourth and fifth activation circuits are connected in parallel, and the parallel anode is used for outputting VS power supply for normal work of the singlechip.
The safety protection circuit comprises an isolation diode 1K1, an isolation diode 1K2, an isolation diode 1K3, an isolation diode 1K4, an isolation diode 2K1, an isolation diode 2K2, an isolation diode 2K3, an isolation diode 2K4, an isolation diode 3K1, an isolation diode 3K2, an isolation diode 3K3, an isolation diode 3K4, an isolation diode 4K1, an isolation diode 4K2, an isolation diode 4K3, an isolation diode 4K4, an isolation diode 5K1, an isolation diode 5K2, an isolation diode 5K3 and an isolation diode 5K 4; the anode of the isolation diode 1K1 is connected with the anode of the battery 1VB1, and the cathode is connected with the load resistor 1R 2; the anode of the isolation diode 1K2 is connected with the anode of the battery 1VB2, the cathode is connected with the load resistor 1R2, and the anode is connected with the cathode of the isolation diode 1K1 in parallel; the anode of the isolation diode 2K1 is connected with the anode of the battery 2VB1, and the cathode is connected with the load resistor 2R 2; the anode of the isolation diode 2K2 is connected with the anode of the battery 2VB2, the cathode is connected with the load resistor 2R2, and the anode is connected with the cathode of the isolation diode 2K1 in parallel; the anode of the isolation diode 3K1 is connected with the anode of the battery 3VB1, and the cathode is connected with the load resistor 3R 2; the anode of the isolation diode 3K2 is connected with the anode of the battery 3VB2, the cathode is connected with the load resistor 3R2, and the anode is connected with the cathode of the isolation diode 3K1 in parallel; the anode of the isolation diode 4K1 is connected with the anode of the battery 4VB1, and the cathode is connected with the load resistor 4R 2; the anode of the isolation diode 4K2 is connected with the anode of the battery 4VB2, the cathode is connected with the load resistor 4R2 and is connected with the cathode of the isolation diode 4K1 in parallel; the anode of the isolation diode 5K1 is connected with the anode of the battery 5VB1, and the cathode is connected with the load resistor 5R 2; the anode of the isolation diode 5K2 is connected with the anode of the battery 5VB2, the cathode is connected with the load resistor 5R2, and the anode is connected with the cathode of the isolation diode 5K1 in parallel; the anode of the isolation diode 1K3 is connected in series with the battery 1VB1, the anode of the isolation diode 1K4 is connected in series with the battery 1VB2, and the cathodes of the isolation diode 1K3 and the battery 1VB2 are connected in parallel; the anode of the isolation diode 2K3 is connected in series with the battery 2VB1, the anode of the isolation diode 2K4 is connected in series with the battery 2VB2, and the cathodes of the two are connected in parallel; the anode of the isolation diode 3K3 is connected in series with the battery 3VB1, the anode of the isolation diode 3K4 is connected in series with the battery 3VB2, and the cathodes of the two are connected in parallel; the anode of the isolation diode 4K3 is connected in series with the battery 4VB1, the anode of the isolation diode 4K4 is connected in series with the battery 4VB2, and the cathodes of the two are connected in parallel; the anode of the isolation diode 5K3 is connected in series with the battery 5VB1, the anode of the isolation diode 5K4 is connected in series with the battery 5VB2, and the cathodes thereof are connected in parallel.
Because the single batteries are different in parameters such as resistance, the isolation diodes 1K1, 1K2, 1K3, 1K4, 2K1, 2K2, 2K3, 2K4, 3K1, 3K2, 3K3, 3K4, 4K1, 4K2, 4K3, 4K4, 5K1, 5K2, 5K3 and 5K4 can ensure that the single batteries cannot be charged with each other; meanwhile, when some battery packs are activated, the voltages at the two ends of the battery packs are sharply reduced, and the isolation diodes 1K3, 1K4, 2K3, 2K4, 3K3, 3K4, 4K3, 4K4, 5K3 and 5K4 can prevent other battery packs from charging the battery packs.
The first battery pack, the second battery pack, the third battery pack, the fourth battery pack and the fifth battery pack can improve the total capacity of working batteries in the equipment so as to meet the requirement of normal operation of the equipment. And time and cost can be saved by controlling the activation of a plurality of batteries through one controller. In addition, when the capacity of the single battery can meet the normal working requirement of the equipment, the design of the battery pack can increase the redundancy of the system, thereby improving the reliability of the system.
The embodiment also provides an activation method of the battery of the maintenance-free device without human intervention in long-term storage, which comprises the following steps:
step one, when the equipment is in a storage state, the switching tubes Q1, Q2, Q3, Q4 and Q5 are all in a closed state, and all the activation circuits are all in an open state; batteries 1VB1, 1VB2, 2VB1, 2VB2, 3VB1, 3VB2, 4VB1, 4VB2, 5VB1 and 5VB2 can provide required voltage for normal operation of the low-power consumption singlechip through power supply output VS so as to support functions of the singlechip such as state detection of equipment and the like; the time required for completing activation of each single battery is calculated according to basic parameters of the selected battery and the load resistor and is 10 minutes, and the normal working voltage of each single battery is 3V; setting the unit activation time to be 1 minute;
step two, dividing 5 activation circuits into 3 groups, wherein the first group comprises a first activation circuit and a second activation circuit, the second group comprises a third activation circuit and a fourth activation circuit, and the third group comprises a fifth activation circuit; when the equipment is started to work, the output ports I/O1 and I/O2 of the single chip microcomputer are set to be at high level, control signals V1 and V2 are sent out to open the switching tubes Q1 and Q2, the first activation circuit and the second activation circuit form a path, large current can be generated instantly, and activation processing is carried out on the batteries 1VB1, 1VB1, 2VB1 and 2VB 2;
when the first activation circuit forms a path, the output ports I/O3, I/O4 and I/O5 of the single chip microcomputer are still set at a low level, the switching tubes Q3, Q4 and Q5 are turned off, the third, fourth and fifth activation circuits do not form a path, the batteries 3VB1, 3VB1, 4VB1, 4VB2, 5VB1 and 5VB2 are not activated, and the battery packs in the third, fourth and fifth activation circuits can still normally provide the voltage VS required by the work of the single chip microcomputer.
Step three, when the activation time in the step two reaches 1 minute, the output port I/O1 and the output port I/O2 of the singlechip are set to be low level, the switching tubes Q1 and Q2 are turned off, and the activation of the batteries 1VB1, 1VB1, 2VB1 and 2VB2 is stopped; the output ports I/O3 and I/O4 of the singlechip are set to high level, control signals V3 and V4 are sent out to open the switching tubes Q3 and Q4, the third and fourth activation circuits form a passage, large current is generated instantaneously, and the batteries 3VB1, 3VB1, 4VB1 and 4VB2 are activated; the output port I/O5 of the single chip microcomputer is still set at a low level, the switching tube Q5 is turned off, and the battery packs in the first, second and fifth activation circuits provide the voltage VS required by the normal work of the single chip microcomputer;
step four, when the activation time in the step three reaches 1 minute, the output ports I/O3 and I/O4 of the single chip microcomputer are set to be low level, the switching tubes Q3 and Q4 are turned off, and the batteries 3VB1, 3VB1, 4VB1 and 4VB2 are stopped to be activated; the output port I/O5 of the singlechip is set to high level, a control signal V5 is sent out to open the switching tube Q5, the fifth activation circuit forms a path, large current is generated instantly, and activation processing is carried out on the batteries 5VB1 and 5VB 2; the output ports I/O1 and I/O2 of the singlechip are still set at low level, and the battery packs in the first, second, third and fourth activation circuits provide the voltage VS required by the normal work of the singlechip for the singlechip;
and step five, repeating the step two, the step three and the step four until 5 activation circuits work accumulatively for 10 minutes, or measuring the voltage at two ends of the load resistors 1R2, 2R2, 3R2, 4R2 and 5R2, and when the load voltage reaches 3V, turning off all the switch tubes to complete the activation of all the batteries.
The battery activation method for the maintenance-free equipment with no human intervention for long-term storage ensures that the battery is safely and reliably activated under the condition that the normal work of a singlechip is not influenced, and can control a plurality of single batteries to be simultaneously activated through one controller so as to save time and cost; the invention also provides an activation device for the battery of the maintenance-free equipment without human intervention for long-term storage. The invention has reasonable design and ingenious conception, not only improves the loading capacity of the battery, but also can effectively solve the problem of how to activate the maintenance-free equipment battery which is stored for a long time without human intervention on the premise of not influencing the normal work of the singlechip.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any equivalent changes, modifications and the like made to the above embodiments according to the essential technology of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (3)
1. Method for activating a battery for long-term storage of a maintenance-free device without human intervention, characterized in that it comprises the following steps:
step one, when the equipment is stored, all switch tubes are turned off, namely n activation circuits are all open circuits;
step two, mixingnThe bar activation circuit is divided intomGroup of which
And each group comprises at least 1 activation circuit; when the equipment works, each activation circuit in one group is ensured to be in a working state, the singlechip is used for controlling the activation of the battery to be activated, each activation circuit in other groups is ensured to be in a disconnected state, and the basic power supply voltage required by the work of the singlechip is maintained;
step three, alternate activation, namely judging whether the battery to be activated in each activation circuit in the working state in the step two reaches the set unit activation time, and if not, continuing the activation; if yes, turning off each activation circuit of the group in an open state, controlling and converting the activation circuits into activation of the battery to be activated in each activation circuit of the other group by the single chip microcomputer, ensuring that the activation circuits of the other groups are in a disconnected state, and maintaining the basic power supply voltage required by the work of the single chip microcomputer;
step four, converting the activation circuits of all groups through the control of a single chip microcomputer according to the step three, and activating the battery to be activated in each activation circuit in each group;
step five, judging whether each group of activated circuits is activated in the step four, if so, entering the next step, and if not, continuing to activate the circuits which are not activated;
judging the state, namely judging whether the accumulated activation time of the batteries to be activated in each group of activation circuits reaches the activation time required by the batteries to be activated or whether the load voltage of the batteries to be activated in each group of activation circuits reaches the load voltage requirement, and if not, returning to the step two; if yes, all the activation circuits are turned off.
2. The method for activating a battery of a long-term storage maintenance-free device without human intervention according to claim 1, wherein the unit activation time set in step three is less than the activation time of the battery to be activated, which is the activation time required by each cell in the battery to be activated.
3. The method for activating a battery of a long-term storage maintenance-free device without human intervention according to claim 2, wherein the activation time required for each cell in the battery to be activated is calculated from the basic parameters of the selected battery and the load resistance.
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| CN111146493B (en) * | 2019-12-26 | 2023-01-31 | 中国船舶重工集团有限公司第七一0研究所 | Lithium battery autonomous activation circuit based on long-term service underwater small platform |
| CN112820889B (en) * | 2021-01-05 | 2022-10-18 | 北京机电工程研究所 | Tandem type battery activation method and battery activation circuit using same |
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