CN111049221B - Lithium ion battery discharging device, control method thereof and controller - Google Patents
Lithium ion battery discharging device, control method thereof and controller Download PDFInfo
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- CN111049221B CN111049221B CN201911363291.XA CN201911363291A CN111049221B CN 111049221 B CN111049221 B CN 111049221B CN 201911363291 A CN201911363291 A CN 201911363291A CN 111049221 B CN111049221 B CN 111049221B
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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
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
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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
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Abstract
The application discloses a lithium ion battery discharging device, a control method thereof and a controller. The device comprises a battery placing component and an electric energy recycling component; wherein: the battery placing assembly is used for placing the lithium ion battery to be discharged; and the electric energy recovery assembly is connected with the battery placement assembly and used for realizing the discharge of the lithium ion battery to be discharged by consuming the electric energy of the lithium ion battery to be discharged, which is placed in the battery placement assembly. So, by the direct lithium ion battery who places in the subassembly to the battery of electric energy recovery subassembly and carry out power consumption, realize treating the lithium ion battery's that discharges discharge, the security of follow-up crushing process has been improved, compare with the scheme of correlation technique, through the mode of direct electric energy consumption, the reuse of lithium cell residual capacity has been realized, do not have extra waste water, the production of discarded object such as solid waste material, clean environmental protection, do not corrode the battery, it is very safe, need not discharge to the electric wire netting, need not complicated circuit structure, and the structure is very simple.
Description
Technical Field
The application relates to the technical field of battery discharge, in particular to a lithium ion battery discharge device and a control method and a controller thereof.
Background
Before the lithium ion battery is recovered, the subsequent recovery treatments such as crushing and the like can be carried out only by carrying out thorough discharge, so that the safety is ensured.
In the related art, the discharge control method of the lithium ion battery mainly comprises discharge cabinet discharge, brine discharge and solid medium discharge. The discharge cabinet discharges to a power grid mainly, and can realize quick discharge, but in order to be matched with the power grid, the discharge cabinet needs to be provided with a more complex matching circuit structure; the brine discharge generates a large amount of wastewater, increases a corresponding wastewater treatment structure, causes a complex structure and causes corrosion to the battery; solid waste can be generated due to discharge of the solid medium, certain potential safety hazards can be generated, and the structure is complex.
Disclosure of Invention
The application aims to provide a lithium ion battery discharging device, a control method and a controller thereof, so as to solve the problem that the discharging structure of a lithium ion battery in the related technology is complex.
The purpose of the application is realized by the following technical scheme:
a lithium ion battery discharge device comprising: the battery placing assembly and the electric energy recycling assembly; wherein:
the battery placing assembly is used for placing the lithium ion battery to be discharged;
and the electric energy recovery assembly is connected with the battery placement assembly and used for realizing the discharge of the lithium ion battery to be discharged by consuming the electric energy of the lithium ion battery to be discharged, which is placed in the battery placement assembly.
Optionally, the battery placement assembly includes:
a frame;
at least one battery placement layer fixed to the frame;
each battery placing layer is connected with the electric energy recovery assembly and used for placing the lithium ion battery to be discharged.
Optionally, the battery placement layer includes:
a placing frame fixed on the frame;
the interface is arranged on the placing frame and used for connecting the electric energy recovery assembly;
the plurality of insulating strips are arranged on the placing rack side by side;
one end of each insulating strip is provided with a first terminal, the other end of each insulating strip is provided with a second terminal, a row of third terminals and a row of fourth terminals are arranged along the extending direction of the insulating strips, the third terminals are mutually spaced and connected to the first terminals through wires, and the fourth terminals are mutually connected and connected to the second terminals through wires;
except for the insulating strips arranged on two sides, one row of the third terminals on each insulating strip corresponds to one row of the third terminals on the adjacent insulating strip one by one to form a row of third terminal pairs, and one row of the fourth terminals corresponds to one row of the fourth terminals on the adjacent insulating strip one by one to form a row of fourth terminal pairs; the third terminal pair and the fourth terminal pair are both used for connecting the lithium ion battery to be discharged;
each third terminal pair is connected to the interface through each first terminal according to a first preset connection mode;
each fourth terminal pair is connected to the interface through each second terminal according to a second preset connection mode.
Optionally, in the plurality of insulating strips, the types of the third terminal and the fourth terminal include at least one terminal type;
the number of the interfaces comprises at least one;
the terminals of the same interface connection are of the same type.
Optionally, the lithium ion battery to be discharged includes a cylindrical battery and/or a square-shell battery;
the at least one terminal type: including the type of terminal used to connect cylindrical batteries and/or the type of terminal used to connect square-casing batteries.
Optionally, the rack at least comprises a first strip-shaped plate and a second strip-shaped plate;
the first ends of the insulating strips are respectively connected to the first strip-shaped plates, and the second ends of the insulating strips are respectively connected to the second strip-shaped plates;
the distance between the insulating strips is adjustable.
Optionally, a first strip-shaped groove is formed in the extending direction of the first strip-shaped plate;
a second strip-shaped groove is formed in the extending direction of the second strip-shaped plate;
the first ends of the insulating strips are respectively detachably connected to the first strip-shaped grooves, and the second ends of the insulating strips are respectively detachably connected to the second strip-shaped grooves.
Optionally, the first end of the insulating strip is connected to the first strip-shaped groove through a threaded structure, and/or the second end of the insulating strip is connected to the second strip-shaped groove through a threaded structure.
Optionally, the monitoring system further comprises a control panel and a monitoring instrument connected with the control panel;
the monitoring instrument is used for monitoring the electrical data of the battery placement component and sending the electrical data to the control panel during discharging.
Optionally, the system further comprises a controller, a temperature sensor connected with the controller, and a heat sink;
the temperature sensor is used for sensing the temperature of the battery placement component and sending the temperature to the controller;
the controller is used for controlling the radiator to radiate when the sensed temperature is greater than a preset value.
Optionally, the battery placing assembly is connected with the electric energy recycling assembly through a voltage stabilizing and transforming assembly.
Optionally, the electric energy recovery assembly comprises at least one of:
a resistance wire;
an energy storage assembly;
and the connector is used for accessing the electric equipment.
Optionally, the bottom of the frame is provided with wheels.
A lithium ion battery discharge control method applied to the lithium ion battery discharge device according to any one of the above, the lithium ion battery discharge control method comprising:
receiving a discharge instruction;
and after the discharging instruction is received, controlling an electric energy recovery assembly to consume the electric energy of the lithium ion battery to be discharged, which is placed in the battery placing assembly, so as to realize the discharging of the lithium ion battery to be discharged.
A lithium ion battery discharge controller for use in a lithium ion battery discharge apparatus as claimed in any preceding claim, the lithium ion battery discharge controller comprising:
a processor, and a memory coupled to the processor;
the memory is used for storing a computer program;
the processor is configured to invoke and execute the computer program in the memory to perform the method as described above.
This application adopts above technical scheme, has following beneficial effect:
the utility model provides a lithium ion battery discharge device mainly includes that the battery places subassembly and electric energy recovery subassembly, the lithium ion battery who places in the subassembly is placed by the electric energy recovery subassembly directly to the battery carries out power consumption, realize treating discharging's the discharge of discharging lithium ion battery, follow-up crushing process's security has been improved, compare with the scheme of correlation technique, mode through direct electric energy consumption, the reuse of lithium cell residual capacity has been realized, do not have extra waste water, the production of discarded object such as solid waste material, clean environmental protection, do not corrode the battery, it is very safe, need not discharge to the electric wire netting, need not complicated circuit structure, the structure is very simple.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lithium ion battery discharge device according to an embodiment of the present disclosure.
Fig. 2 is a side view of a battery placement assembly according to another embodiment of the present application.
Fig. 3 is a top view of a battery placement assembly according to another embodiment of the present application.
Fig. 4 is a schematic diagram of a circuit structure in a discharging device of a lithium ion battery according to another embodiment of the present disclosure.
Fig. 5 is a schematic diagram of a circuit structure in a discharging device of a lithium ion battery according to another embodiment of the present disclosure.
Fig. 6 is a schematic diagram of a circuit structure in a discharging device of a lithium ion battery according to another embodiment of the present disclosure.
Fig. 7 is a flowchart of a lithium ion battery discharge control method according to another embodiment of the present application.
Fig. 8 is a schematic structural diagram of a discharge controller of a lithium ion battery according to another embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Examples
Referring to fig. 1, fig. 1 is a schematic structural diagram of a discharging device of a lithium ion battery according to an embodiment of the present disclosure.
As shown in fig. 1, the lithium ion battery discharge device provided in this embodiment includes: battery placement assembly 100 and power recovery assembly 200; wherein:
a battery placing assembly 100 for placing a lithium ion battery to be discharged;
the electric energy recovery assembly 200 is connected to the battery placement assembly 100, and is configured to discharge the lithium ion battery to be discharged by consuming electric energy of the lithium ion battery to be discharged, which is placed in the battery placement assembly 100.
The power recovery assembly 200 includes at least one of: a resistance wire; an energy storage assembly; and the connector is used for accessing the electric equipment. The resistance wire mainly carries out electrothermal conversion, so that the electric energy of the lithium ion battery is consumed. The energy storage component is mainly used for storing the residual electric energy in the lithium ion battery, so that the electric energy of the lithium ion battery is consumed. The connector is mainly connected to the electric equipment, and the electric energy of the lithium ion battery is consumed through the work of the electric equipment. The user equipment that can be used can be equipment that needs to be powered during production.
The utility model provides a lithium ion battery discharge device mainly includes that the subassembly is placed to the battery and electric energy retrieves subassembly 200, the lithium ion battery who places in the subassembly is placed by electric energy retrieves subassembly 200 directly to the battery carries out power consumption, realize treating the discharging of discharging lithium ion battery, the security of follow-up crushing process has been improved, compare with the scheme of correlation technique, mode through direct electric energy consumption, the reuse of lithium cell residual capacity has been realized, do not have extra waste water, the production of discarded object such as solid waste material, clean environmental protection, do not corrode the battery, it is very safe, need not discharge to the electric wire netting, need not complicated circuit structure, and the structure is very simple.
The above specific structure of the battery placement module 100 is various, and a specific structure is taken as an example and described in detail below.
Referring to fig. 2, fig. 2 is a side view of a battery placement assembly according to another embodiment of the present application.
Referring to fig. 3, fig. 3 is a top view of a battery placement assembly according to another embodiment of the present application.
In some embodiments, as shown in fig. 2, the battery placement assembly 100 comprises: a frame 101; at least one battery placing layer 102 fixed on the frame 101; each cell placement layer 102 is connected to an electrical energy recovery assembly 200 for placing a lithium ion cell to be discharged. Wherein, the frame 101 may be, but is not limited to, a cubic frame. The number of the cell placement layers 102 can be set according to actual needs, and only 3 layers are illustrated in fig. 2. In this embodiment, can set up the number of piles that the layer was placed to the battery in a flexible way, satisfy the discharge demand under the different scenes. The arrangement of the multilayer battery placing layer greatly improves the discharging efficiency.
There are various specific structures of each battery placing layer, and in some embodiments, as shown in fig. 3, one specific structure of the battery placing layer includes: a placing frame 103 fixed on the frame; an interface arranged on the placing rack 103 and used for connecting the electric energy recovery assembly 200; a plurality of insulating strips 104 arranged side by side on the placing frame 103; each insulating strip 104 is provided with a first terminal 105 at one end and a second terminal 106 at the other end, and a row of third terminals 107 spaced from each other and a row of fourth terminals 108 spaced from each other are provided along the extending direction of the insulating strip 104, the row of third terminals 107 are connected to each other and to the first terminal 105 by a wire, and the row of fourth terminals 108 are connected to each other and to the second terminal 106 by a wire; except for the insulating strips 104 arranged on two sides, a row of third terminals 107 on each insulating strip 104 corresponds to a row of third terminals 107 on the adjacent insulating strip 104 one by one to form a row of third terminal pairs, and a row of fourth terminals 108 corresponds to a row of fourth terminals 108 on the adjacent insulating strip 104 one by one to form a row of fourth terminal pairs; the third terminal pair and the fourth terminal pair are both used for connecting a lithium ion battery to be discharged; each third terminal pair is connected to the interface by each first terminal 105 in a first preset connection; each fourth terminal pair is connected to the interface via a respective second terminal 106 in a second predetermined connection.
The preset connection mode can be in series connection or in parallel connection.
The material of each terminal may be, but is not limited to, copper.
The number of the insulating strips 104 can be set according to actual needs, and fig. 3 illustrates 8 insulating strips 104 as an example.
In this embodiment, one of the terminals in the third terminal pair is connected to the anode of the lithium ion battery to be discharged, and the other terminal is connected to the cathode of the lithium ion battery to be discharged, because the third terminal pair is arranged in a row, therefore, a plurality of lithium ion batteries to be discharged can be accessed in a row, therefore, the adjacent insulating strips 104 are also called as battery channels, and the fourth terminal pair is also similar, based on this, a large number of lithium ion batteries to be discharged can be arranged to discharge simultaneously, so that the discharging efficiency is greatly improved, and the electric energy requirement of the electric energy recovery assembly 200 can be better satisfied.
In some embodiments, the types of the third terminal 107 and the fourth terminal 108 in the plurality of insulating strips 104 include at least one terminal type. Correspondingly, the number of interfaces includes at least one, and the terminal types of the terminals connected by the same interface are the same.
It should be noted that the terminal types of the terminal pairs on the same battery channel are the same. The terminal types of the terminal pairs on different battery channels may be the same or different.
Because the lithium ion batteries are of various types, the types of terminals required by different types are different, and in practical application, one type of terminal can be set, at the moment, one type of lithium ion battery can be discharged, correspondingly, most parameters of all the lithium ion batteries are the same and can be correspondingly connected to one interface, and therefore, the number of the interfaces comprises one. Multiple terminal types can be set, at the moment, different types of lithium ion batteries can be discharged, parameters of the different types of lithium ion batteries are possibly different and are not suitable for being connected to one interface, correspondingly, the number of the interfaces comprises multiple terminals, and the terminal types of the terminals connected by the same interface are the same, so that the same interface is ensured to be connected with the lithium ion batteries of the same type. In order to improve the applicability of the lithium ion battery discharge device to different types of lithium ion batteries, it is preferable to set a plurality of terminal types.
For example, the lithium ion battery to be discharged includes a cylindrical battery and/or a square-casing battery. Accordingly, the at least one terminal type: including the type of terminal used to connect cylindrical batteries and/or the type of terminal used to connect square-casing batteries.
The terminals for connecting the cylindrical batteries may be conductive blocks, in which case the cylindrical batteries are connected between two conductive blocks.
The terminal for connecting the square-shelled battery may be a conductive sheet, and at this time, the square-shelled battery is located above the conductive sheet.
The conductive sheets may be secured to the insulating strip 104 by conductive posts, with a row of conductive sheets being interconnected by conductive wires connected to the conductive posts.
Taking the structure shown in fig. 3 as an example, the terminal type for connecting the cylindrical battery and the terminal type for connecting the square-casing battery are set in fig. 3. A row of third terminals 107 provided on each insulating strip 104 are terminals for connecting cylindrical cells 109, the row of third terminals 107 is connected to the first terminals 105 after being connected to each other by a wire, a row of fourth terminals 108 is terminals for connecting square-shell cells 110, and the row of fourth terminals 108 is connected to the second terminals 106 after being connected to each other by a wire. Except for the insulating strips 104 on two sides, two rows of third terminals 107 of two adjacent insulating strips 104 form one row of third terminal pairs, one row of cylindrical batteries can be accessed, the one row of cylindrical batteries are mutually connected in parallel, 3 rows of cylindrical batteries can be accessed in total in the drawing, two rows of fourth terminals 108 of two adjacent insulating strips 104 form one row of fourth terminal pairs, one row of square-shell batteries can be accessed, the one row of square-shell batteries are mutually connected in parallel, and the drawing can be seen in total in the drawing, 4 rows of square-shell batteries can be accessed. Correspondingly, the interfaces include a cylindrical battery interface 111 and a square-shell battery interface 112. From left to right in the figure, the first terminal 105 of the 2 nd insulating strip 104 is connected to the first end of the cylindrical battery interface, the first terminal 105 of the 3 rd insulating strip 104 is connected to the first terminal 105 of the 4 th insulating strip 104, the first terminal 105 of the 5 th insulating strip 104 is connected to the first terminal 105 of the 6 th insulating strip 104, and the first terminal 105 of the 7 th insulating strip 104 is connected to the second end of the cylindrical battery interface, so that, equivalently, 3 rows of cylindrical batteries are connected in series and then connected to the cylindrical battery interface. From left to right in the drawing, the second terminal 106 of the 1 st insulating strip 104 is connected to the first end of the square-shell battery interface, the second terminal 106 of the 2 nd insulating strip 104 is connected to the second terminal 106 of the 3 rd insulating strip 104, the second terminal 106 of the 4 th insulating strip 104 is connected to the second terminal 106 of the 5 th insulating strip 104, the second terminal 106 of the 6 th insulating strip 104 is connected to the second terminal 106 of the 7 th insulating strip 104, and the second terminal 106 of the 8 th insulating strip 104 is connected to the second end of the square-shell battery interface, so that equivalently, 4 rows of square-shell batteries are connected in series and then connected to the square-shell battery interface.
In some embodiments, as shown in fig. 3, the rack comprises at least a first strip 113 and a second strip 114; the first ends of the insulating strips 104 are respectively connected to the first strip-shaped plate 113, and the second ends are respectively connected to the second strip-shaped plate 114; the spacing between the insulating strips 104 is adjustable.
In practical application, the size of the lithium ion batteries of different specifications and types is possibly different, correspondingly, the interval between two terminals in a required terminal pair is possibly different, in order to match the lithium ion batteries of different sizes, the practicability of the discharging device is improved, the interval between the insulating strips 104 can be set to be adjustable, and thus, when the interval between the terminal pair formed by the current adjacent insulating strips 104 is not matched with the size of the lithium ion battery to be discharged, the interval between the two insulating strips 104 can be adjusted, so that the interval between the terminal pair formed by the adjacent insulating strips 104 is matched with the size of the lithium ion battery to be discharged, therefore, the lithium ion batteries of different sizes can be discharged through the device, and the applicability is wider.
In order to realize the adjustable distance between the insulating strips 104, in some embodiments, a first strip-shaped groove 115 is formed in the extending direction of the first strip-shaped plate 113; a second strip groove 116 is arranged in the extending direction of the second strip plate 114; the first ends of the insulating strips 104 are detachably connected to the first strip grooves 115, respectively, and the second ends are detachably connected to the second strip grooves 116, respectively. When the interval between the insulating strips 104 needs to be adjusted, the insulating strips 104 can be detached and adjusted, the insulating strips 104 are moved to proper positions along the strip-shaped grooves at will to form proper intervals of the insulating strips 104, and then the insulating strips are connected and fixed.
In practice, the first end of the insulating strip 104 is connected to the first groove by a screw structure and/or the second end is connected to the second groove by a screw structure. Specifically, the strip-shaped groove may be provided with a thread, and the first end of the insulating strip 104 is connected to the first strip-shaped groove 115 through a screw 117, and/or the second end is connected to the second strip-shaped groove 116 through a screw 117. Of course, the connection may be made by other structures, which are not listed here.
As a modified structure, only one row of terminals may be disposed on the insulating strip 104, and specific reference may be made to the above embodiment, which is not described in detail.
In some embodiments, as shown in fig. 2, the bottom of the frame 101 is provided with wheels 118, so that the battery placement assembly 100 can be moved freely and the use is more convenient.
In order to monitor the basic parameters of the discharging process and ensure that the discharging is stopped in time when an abnormal condition occurs, in some embodiments, as shown in fig. 4, the lithium ion battery discharging apparatus further includes a control panel 300 and a monitoring instrument 400 connected to the control panel; and a monitoring meter 400 for monitoring electrical data of the battery placement assembly 100 and transmitting the same to the control panel 300 when discharging. The monitoring meters may include, but are not limited to, an ammeter and a voltmeter, and as shown in fig. 3, an ammeter 401 and a voltmeter 402 may be provided at each interface to monitor the current and voltage at the interface. The user can look over the electrical data such as voltage and electric current among the discharge process on control panel, in time knows the condition of discharging, in time makes reasonable reply.
In some embodiments, as shown in fig. 5, the lithium ion battery discharging apparatus further includes a controller 500, a temperature sensor 600 connected to the controller, and a heat sink 700; the temperature sensor 600 is used for sensing the temperature of the battery placement assembly and transmitting the temperature to the controller 500; the controller 500 is configured to control the heat sink 700 to dissipate heat when the sensed temperature is greater than a preset value. In the discharge process, can produce the heat, lead to rising temperature, if the high temperature, can produce the potential safety hazard, in this embodiment, through monitoring the temperature, when the temperature is higher, the control radiator dispels the heat, reaches the cooling effect to can be in a lower temperature state at the discharge process, improved the security.
Wherein, the heat sink can be but not limited to an electric fan.
In implementation, as shown in fig. 2 and fig. 3, the heat sink 700 may be disposed on one side of the frame 101, so as to effectively dissipate heat of the battery placement layers of the respective layers, and the heat dissipation effect is better.
In some embodiments, as shown in fig. 6, the battery housing assembly 100 is connected to the power recycling assembly 200 through a voltage stabilizing and transforming assembly 800. Wherein, the voltage stabilizing and transforming component can be a power converter. This steady voltage vary voltage subassembly can have a plurality of access points, supplies a plurality of batteries to place subassembly 100 and inserts, for electric energy recovery subassembly 200 provides steady voltage, realizes continuation electric quantity output for the battery discharges to low electric quantity level.
In order to ensure safety, a safety switch can be arranged on the voltage-stabilizing voltage-transforming component, and the power supply can be directly cut off under abnormal conditions.
Referring to fig. 7, fig. 7 is a flowchart of a discharge control method for a lithium ion battery according to another embodiment of the present application.
As shown in fig. 7, this embodiment provides a lithium ion battery discharge control method, which is applied to the lithium ion battery discharge device according to any of the above embodiments, and the lithium ion battery discharge control method includes:
and 72, after receiving the discharge instruction, controlling the electric energy recovery assembly to realize the discharge of the lithium ion battery to be discharged by consuming the electric energy of the lithium ion battery to be discharged, which is placed in the battery placement assembly.
The execution main body of the embodiment may be a lithium ion battery discharge controller, the lithium ion battery discharge controller may be connected to the electric energy recovery assembly, the electric energy recovery assembly may be provided with a controlled switch, and the lithium ion battery discharge controller controls the controlled switch to further control the electric energy recovery assembly. In implementation, a user may input a discharge command through the control panel.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a discharge controller of a lithium ion battery according to another embodiment of the present disclosure.
As shown in fig. 8, the present embodiment provides a lithium ion battery discharge controller applied to the lithium ion battery discharge device according to any one of the above, including:
a processor 801, and a memory 802 connected to the processor;
the memory 802 is used to store computer programs;
the processor 801 is configured to call and execute a computer program in the memory to execute the lithium ion battery discharge control method according to the above embodiment.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (12)
1. A lithium ion battery discharge device, comprising: the battery placing assembly and the electric energy recycling assembly; wherein:
the battery placing assembly is used for placing the lithium ion battery to be discharged;
the electric energy recovery assembly is connected with the battery placement assembly and used for realizing the discharge of the lithium ion battery to be discharged by consuming the electric energy of the lithium ion battery to be discharged placed in the battery placement assembly;
the battery placing assembly comprises a frame and at least one battery placing layer fixed on the frame; each battery placing layer is connected with the electric energy recovery assembly and is used for placing a lithium ion battery to be discharged;
the battery placing layer includes:
a placing frame fixed on the frame;
the interface is arranged on the placing frame and used for connecting the electric energy recovery assembly;
the plurality of insulating strips are arranged on the placing rack side by side;
one end of each insulating strip is provided with a first terminal, the other end of each insulating strip is provided with a second terminal, a row of third terminals and a row of fourth terminals are arranged along the extending direction of the insulating strips, the third terminals are mutually spaced and connected to the first terminals through wires, and the fourth terminals are mutually connected and connected to the second terminals through wires;
except for the insulating strips arranged on two sides, one row of the third terminals on each insulating strip corresponds to one row of the third terminals on the adjacent insulating strip one by one to form a row of third terminal pairs, and one row of the fourth terminals corresponds to one row of the fourth terminals on the adjacent insulating strip one by one to form a row of fourth terminal pairs; the third terminal pair and the fourth terminal pair are both used for connecting the lithium ion battery to be discharged;
each third terminal pair is connected to the interface through each first terminal according to a first preset connection mode;
each fourth terminal pair is connected to the interface through each second terminal according to a second preset connection mode;
the types of the third terminal and the fourth terminal in the plurality of insulating strips comprise at least one type of terminal;
the number of the interfaces comprises at least one;
the terminals of the same interface connection are of the same type.
2. The lithium ion battery discharge device of claim 1, wherein the lithium ion battery to be discharged comprises a cylindrical battery and/or a square-shell battery;
the at least one terminal type: including the type of terminal used to connect cylindrical batteries and/or the type of terminal used to connect square-casing batteries.
3. The lithium ion battery discharge device of claim 1, wherein the rack comprises at least a first strip plate and a second strip plate;
the first ends of the insulating strips are respectively connected to the first strip-shaped plates, and the second ends of the insulating strips are respectively connected to the second strip-shaped plates;
the distance between the insulating strips is adjustable.
4. The lithium ion battery discharge device of claim 3,
a first strip-shaped groove is formed in the extending direction of the first strip-shaped plate;
a second strip-shaped groove is formed in the extending direction of the second strip-shaped plate;
the first ends of the insulating strips are respectively detachably connected to the first strip-shaped grooves, and the second ends of the insulating strips are respectively detachably connected to the second strip-shaped grooves.
5. The lithium ion battery discharge device of claim 4, wherein the first end of the insulating strip is connected to the first strip-shaped groove by a threaded structure, and/or the second end of the insulating strip is connected to the second strip-shaped groove by a threaded structure.
6. The lithium ion battery discharge device of claim 1, further comprising a control panel and a monitoring meter connected to the control panel;
the monitoring instrument is used for monitoring the electrical data of the battery placement component and sending the electrical data to the control panel during discharging.
7. The lithium ion battery discharge device of claim 1, further comprising a controller, a temperature sensor and a heat sink connected to the controller;
the temperature sensor is used for sensing the temperature of the battery placement component and sending the temperature to the controller;
the controller is used for controlling the radiator to radiate when the sensed temperature is greater than a preset value.
8. The lithium ion battery discharge apparatus of claim 1, wherein the battery placement component is connected to the electrical energy recovery component through a voltage regulation and transformation component.
9. The lithium ion battery discharge device of claim 1, wherein the electrical energy recovery assembly comprises at least one of:
a resistance wire;
an energy storage assembly;
and the connector is used for accessing the electric equipment.
10. The li-ion battery discharge device of claim 1, wherein the frame bottom is provided with wheels.
11. A lithium ion battery discharge control method applied to the lithium ion battery discharge device according to any one of claims 1 to 10, the lithium ion battery discharge control method comprising:
receiving a discharge instruction;
and after the discharging instruction is received, controlling the electric energy recovery assembly to consume the electric energy of the lithium ion battery to be discharged, which is placed in the battery placing assembly, so as to realize the discharging of the lithium ion battery to be discharged.
12. A lithium ion battery discharge controller applied to the lithium ion battery discharge device according to any one of claims 1 to 10, the lithium ion battery discharge controller comprising:
a processor, and a memory coupled to the processor;
the memory is used for storing a computer program;
the processor is configured to invoke and execute the computer program in the memory to perform the method of claim 11.
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