Uninterrupted capacity checking system and method for storage battery pack

Abstract

The invention discloses an uninterrupted capacity checking system and method for a storage battery pack. The system comprises a charger, a direct current load, a capacity check load, a switching module, a storage battery pack and a control module, the storage battery pack comprises a plurality of storage batteries, and the number of the switching modules is matched with the number of the storage batteries in the storage battery pack; the switching module is composed of a boost unit and a first type control switch which are connected in parallel, and the nuclear capacity load comprises a nuclear capacity resistor; the charger is connected with the storage battery pack, each storage battery in the storage battery pack is respectively connected with the direct current load through the matched switching module, the capacity check load is respectively connected with each storage battery in the storage battery pack, and the control module is respectively connected with the capacity check load, each switching module and each storage battery in the storage battery pack. According to the embodiment of the invention, the beneficial effect of online capacity checking without power failure is realized, the intelligent level of the system is improved, the reliability of the power distribution terminal is guaranteed, and a more environment-friendly and energy-saving capacity checking mode is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of battery capacity core technology, and in particular to a non-stop capacity core system and method for a battery pack. Background Art

[0002] The maintenance regulations for communication power batteries stipulate that batteries need to be maintained regularly. Compared with the terminal voltage method and internal resistance detection method to estimate battery capacity, the nuclear capacity discharge method is more accurate. Traditional distribution terminal batteries lack intelligent operation and maintenance means and maintenance devices. They usually rely on manual on-site discharge, calculation of discharge time, and measurement of output voltage. Overall, they are inefficient and time-consuming.

[0003] The existing mainstream nuclear capacity discharge methods mainly include inverter grid-connected discharge and resistor discharge. In the inverter grid-connected discharge method, since the AC system load often changes and the duration of power consumption is uncertain, the nuclear capacity operation cannot be completed stably; the resistor discharge method completes consumption and nuclear capacity through a stable load, but the energy utilization rate is low. Summary of the invention

[0004] Based on this, the present invention provides a non-stop capacity-adding system and method for a battery pack to solve the problem that the existing battery capacity-adding method cannot stably complete the capacity-adding task when a DC load loses voltage.

[0005] In a first aspect, an embodiment of the present invention provides a non-stop power supply core capacity system for a battery pack, the system comprising:

[0006] Charger, DC load, nuclear capacity load, switching module, battery pack and control module;

[0007] The battery pack includes a plurality of batteries, and the number of the switching modules matches the number of batteries in the battery pack; the switching module is a boost unit and a first type of control switch connected in parallel, each boost unit has an on-off switch, and the core capacity load includes a core capacity resistor;

[0008] The charger is connected to the battery pack, each battery in the battery pack is connected to the DC load through a matching switching module, the core capacity load is connected to each battery in the battery pack, and a second type of control switch is provided on each connecting branch, and the control module is connected to the core capacity load, each switching module and each battery in the battery pack;

[0009] A control module is used to control each first-type control switch to be in a closed state and each second-type control switch to be in an open state in a non-core capacity state, and, in a core capacity state, after controlling each first-type control switch to be in an open state, control the on-off switch of the boost unit in the target switching module matching the target core capacity battery selected as the core capacity power supply to be in an open state, and control the on-off switches of other boost units to be in a connected state; control the target second-type control switch on the connecting branch between the core capacity load and the target battery selected as the core capacity power supply to be in a closed state.

[0010] Furthermore, the system further comprises: a data monitoring module and an auxiliary decision module, wherein the data monitoring module is respectively connected to the auxiliary decision module and each battery in the battery pack; the auxiliary decision module is connected to the control module;

[0011] The data monitoring module is used to collect the internal resistance value, temperature value and voltage value of the target nuclear capacity storage battery during the nuclear capacity of the target nuclear capacity storage battery and send them to the auxiliary decision-making module in real time;

[0012] an auxiliary decision-making module, configured to perform data analysis based on the received internal resistance value, temperature value, and voltage value, and send a matching first-category control instruction to the control module based on the analysis result;

[0013] The control module is also used to control the switching of the core capacity state of the non-stop core capacity system of the battery pack according to the received first type of control instructions.

[0014] Furthermore, the core capacity load also includes: a refrigeration fresh air component and a dehumidification and heating component, the refrigeration fresh air component and the dehumidification and heating component are respectively connected in parallel with the core capacity resistor, and the parallel branches where the refrigeration fresh air component and the dehumidification and heating component are located are respectively provided with a third type of control switch;

[0015] The refrigeration fresh air component is used to cool down the connected target nuclear capacity battery in the nuclear capacity state;

[0016] The dehumidification and heating component is used to heat the connected target nuclear capacity battery in the nuclear capacity state;

[0017] The auxiliary decision-making module is also used to perform data analysis based on the received temperature value and send a matching second-type control instruction to the control module based on the analysis result;

[0018] The control module is also used to control the opening and closing of the third control switch on the parallel branch of the refrigeration fresh air component and / or the dehumidification and heating component according to the received second type control instruction.

[0019] Furthermore, the core capacity load also includes a lighting component and a dust removal component, the lighting component and the dust removal component are respectively connected in parallel with the core capacity resistor, and the parallel branches where the lighting component and the dust removal component are located are respectively provided with a third type of control switch;

[0020] The lighting assembly is used to provide peripheral lighting for the electrical equipment in the environment in which it is set;

[0021] The dust removal component is used to remove dust and dissipate heat for the electrical equipment in the environment in which it is set;

[0022] The data monitoring module is also used to collect the brightness value and particle concentration value of the environment where the power equipment is located, and send them to the auxiliary decision module;

[0023] The auxiliary decision module is also used to perform data analysis according to the received brightness value and particle concentration value, and send a matching third-category control instruction to the control module according to the analysis result;

[0024] The control module is also used to control the opening and closing of the third type of control switch on the parallel branch of the lighting component and / or the dust removal component according to the received third type of control instruction.

[0025] In a second aspect, an embodiment of the present invention provides a method for increasing the capacity of a battery pack without powering on, the method comprising:

[0026] Through the control module, in a non-core capacity state, each first-type control switch is controlled to be in a closed state, and each second-type control switch is controlled to be in an open state;

[0027] Through the control module, in the core capacity state, after controlling each first-type control switch to be in the disconnected state, the on-off switch of the boost unit in the target switching module matching the target core capacity battery selected as the core capacity power supply is controlled to be in the disconnected state, and the on-off switches of other boost units are controlled to be in the connected state; the target second-type control switch on the connecting branch between the core capacity load and the target battery selected as the core capacity power supply is controlled to be in the closed state.

[0028] The technical solution of the embodiment of the present invention achieves the beneficial effect of online non-stop nuclear capacity by introducing a switching module and a control module; the data monitoring module can collect various parameters of the battery around the clock, providing data support for intelligent judgment of nuclear capacity conditions and execution of nuclear capacity operations, thereby improving the intelligence level of the system. At the same time, during the nuclear capacity process, the auxiliary decision-making module monitors whether there are any abnormalities in the nuclear capacity process by receiving the voltage, resistance and temperature of the battery in real time. When an abnormality occurs, the nuclear capacity can be stopped immediately and corresponding measures can be taken, thereby ensuring the reliability of the power distribution terminal. Finally, the system fully considers the requirements of green environmental protection when designing the nuclear capacity load, selects appropriate components for discharge according to environmental conditions, and realizes a more environmentally friendly and energy-saving nuclear capacity method.

[0029] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 is a schematic diagram of a non-stop power supply core capacity system for a battery pack provided according to the first embodiment of the present invention;

[0032] Figure 2 is a schematic diagram of the connection relationship between a control module, a data monitoring module and an auxiliary decision-making module provided according to the first embodiment of the present invention;

[0033] Figure 3 is a reference diagram of the connection relationship between a nuclear capacity load and a nuclear capacity storage battery provided according to the first embodiment of the present invention;

[0034] Figure 4 It is a flow chart of a method for increasing the capacity of a battery pack without power outage provided in accordance with the second embodiment of the present invention. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0036] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0037] Embodiment 1

[0038] Figure 1 This is a schematic diagram of a non-stop power supply core capacity system for a battery pack provided in Embodiment 1 of the present invention, the system comprising:

[0039] A charger (S1), a DC load (S2), a nuclear capacity load (S3), a switching module (S4), a battery pack (S5) and a control module (S6);

[0040] The battery pack includes a plurality of batteries, and the number of the switching modules matches the number of batteries in the battery pack; the switching module is a boost unit and a first type of control switch connected in parallel, each boost unit has an on-off switch, and the core capacity load includes a core capacity resistor;

[0041] The charger is connected to the battery pack, each battery in the battery pack is connected to the DC load through a matching switching module, the core capacity load is connected to each battery in the battery pack, and a second type of control switch is provided on each connecting branch, and the control module is connected to the core capacity load, each switching module and each battery in the battery pack;

[0042] A control module is used to control each first-type control switch to be in a closed state and each second-type control switch to be in an open state in a non-core capacity state, and, in a core capacity state, after controlling each first-type control switch to be in an open state, control the on-off switch of the boost unit in the target switching module matching the target core capacity battery selected as the core capacity power supply to be in an open state, and control the on-off switches of other boost units to be in a connected state; control the target second-type control switch on the connecting branch between the core capacity load and the target battery selected as the core capacity power supply to be in a closed state.

[0043] Easy to understand, such as Figure 1 As shown, the battery pack is composed of at least two single cells. Since each capacity-checking task only checks the capacity of one single cell, in the battery pack composed of at least two single cells, one is a capacity-checking battery and the rest are non-capacity-checking batteries. The function of the non-capacity-checking batteries is to continuously supply power to the DC load. Before carrying out the capacity-checking task, the charger ensures that each single cell in the battery pack is fully charged. The switching module refers to a functional module that specifically implements the switching of the battery pack between the capacity-checking state and the non-capacity-checking state, and is composed of a boost unit and a line with a first-class control switch, that is, the first-class control switch is also an isolating switch on the branch matched with the battery. The boost unit is also a DC / DC converter, which can increase the DC power provided by the battery from the current level voltage to another level voltage, so that when one of the batteries stops supplying power to the DC load, the remaining batteries in the battery pack can also meet the DC load voltage requirements, thereby realizing non-stop capacity-checking.

[0044] The core capacitor resistor is used to carry the electric energy released by the core capacitor battery. In the core capacitor process, affected by external uncertain factors, the core capacitor load may not only have the core capacitor resistor, but also other core capacitor components as needed to form the core capacitor load. Figure 1 The second type of control switch refers to the main switch on the line between the nuclear capacity load and the nuclear capacity storage battery, which provides a discharge carrier for the nuclear capacity storage battery by closing the main switch.

[0045] Specifically, when the battery pack is in the non-capacity state, the control module closes the first type of control switch to realize direct power supply from the battery to the DC load; and when the battery is in the capacity state, the control module opens the first type of control switch to disconnect the direct connection between the battery and the DC load, and at the same time switches the on-off switch on the boost unit corresponding to the non-capacity battery to a closed state, so that the non-capacity battery supplies power to the DC load after being boosted by the boost unit. At this time, the on-off switch on the boost unit corresponding to the capacity battery remains in the open state to ensure that the capacity battery only discharges to the capacity load.

[0046] The embodiment of the present invention achieves the beneficial effect of online uninterrupted nuclear capacity by introducing a switching module; the data monitoring module can collect various parameters of the battery around the clock, provide data support for intelligent judgment of nuclear capacity conditions and execution of nuclear capacity operations, and improve the intelligence level of the system. At the same time, during the nuclear capacity process, the auxiliary decision-making module monitors whether there are any abnormalities in the nuclear capacity process by receiving the voltage, resistance and temperature of the battery in real time. When an abnormality occurs, the nuclear capacity can be stopped immediately and corresponding measures can be taken, thereby ensuring the reliability of the power distribution terminal. Finally, the system fully considers the requirements of green environmental protection when designing the nuclear capacity load, selects appropriate components for discharge according to environmental conditions, and realizes a more environmentally friendly and energy-saving nuclear capacity method.

[0047] Easy to understand, Figure 2 The connection relationship between the control module, the data monitoring module and the auxiliary decision module is shown. Specifically, the data collected by the data monitoring module from the nuclear capacity battery are the voltage value, resistance value and temperature value of the nuclear capacity battery, and the data collected from the surrounding environment are the brightness value and particle concentration value. The data monitoring module transmits the collected data to the auxiliary decision module in real time, and the auxiliary decision module issues relevant control instructions to the control module by analyzing the received data.

[0048] Optionally, the system further comprises: a data monitoring module and an auxiliary decision module, wherein the data monitoring module is respectively connected to the auxiliary decision module and each battery in the battery pack; the auxiliary decision module is connected to the control module;

[0049] The data monitoring module is used to collect the internal resistance value, temperature value and voltage value of the target nuclear capacity storage battery during the nuclear capacity of the target nuclear capacity storage battery and send them to the auxiliary decision-making module in real time;

[0050] an auxiliary decision-making module, configured to perform data analysis based on the received internal resistance value, temperature value, and voltage value, and send a matching first-category control instruction to the control module based on the analysis result;

[0051] The control module is also used to control the switching of the core capacity state of the non-stop core capacity system of the battery pack according to the received first type of control instructions.

[0052] Optionally, the core capacity load further includes a refrigeration fresh air component and a dehumidification and heating component, the refrigeration fresh air component and the dehumidification and heating component are respectively connected in parallel with the core capacity resistor, and the parallel branches where the refrigeration fresh air component and the dehumidification and heating component are located are respectively provided with a third type of control switch;

[0053] The refrigeration fresh air component is used to cool down the connected target nuclear capacity battery in the nuclear capacity state;

[0054] The dehumidification and heating component is used to heat the connected target nuclear capacity battery in the nuclear capacity state;

[0055] The auxiliary decision-making module is also used to perform data analysis based on the received temperature value and send a matching second-type control instruction to the control module based on the analysis result;

[0056] The control module is also used to control the opening and closing of the third control switch on the parallel branch of the refrigeration fresh air component and / or the dehumidification and heating component according to the received second type control instruction.

[0057] The refrigeration and fresh air component is an air conditioning device, which is used to cool down the nuclear capacity battery in the embodiment of the present invention. The dehumidification and heating component is similar to the refrigeration and fresh air component, but has the opposite function, and is mainly used to heat up the nuclear capacity battery. In the actual nuclear capacity process, the data monitoring module sends the real-time temperature value of the nuclear capacity battery to the auxiliary decision module. Through the correspondence between the preset nuclear capacity battery temperature and the control rule, the auxiliary decision module sends the corresponding control instruction to the control module. That is, different from the first type of control instruction for the control of the switching module, the second type of control instruction is the connection control of the refrigeration and fresh air component and the dehumidification and heating component in the nuclear capacity load. Correspondingly, the connection control with the refrigeration and fresh air component and the dehumidification and heating component in the nuclear capacity load is achieved by controlling the third type of control switch.

[0058] Optionally, the core capacity load further includes a lighting component and a dust removal component, the lighting component and the dust removal component are respectively connected in parallel with the core capacity resistor, and the parallel branches where the lighting component and the dust removal component are located are respectively provided with a third type of control switch;

[0059] The lighting assembly is used to provide peripheral lighting for the electrical equipment in the environment in which it is set;

[0060] The dust removal component is used to remove dust and dissipate heat for the electrical equipment in the environment in which it is set;

[0061] The data monitoring module is also used to collect the brightness value and particle concentration value of the environment where the power equipment is located, and send them to the auxiliary decision module;

[0062] The auxiliary decision module is also used to perform data analysis according to the received brightness value and particle concentration value, and send a matching third-category control instruction to the control module according to the analysis result;

[0063] The control module is also used to control the opening and closing of the third type of control switch on the parallel branch of the lighting component and / or the dust removal component according to the received third type of control instruction.

[0064] Different from the refrigeration and fresh air components and the dehumidification and heating components, the introduction of the lighting components and the dust removal components does not require monitoring the status of the nuclear capacity battery. Instead, the environmental information is collected through the data monitoring module to determine when the lighting components and the dust removal components are incorporated into the nuclear capacity load. Specifically, the lighting component is used to provide lighting when the brightness of the environment around the equipment is too low, without the need to light up additional lighting equipment, saving resources; the dust removal component is used to remove dust when the particle concentration around the equipment is too high, providing good heat dissipation conditions for electrical equipment. That is, different from the first type of control instructions and the second type of control instructions, the third type of control instructions are for the connection control of the lighting components and the dust removal components in the nuclear capacity load, and accordingly, the connection control of the lighting components and the dust removal components in the nuclear capacity load is achieved by controlling the third type of control switch, that is, the third type of control switch is a switch on the branch corresponding to each nuclear capacity load under the second type of control switch.

[0065] Easy to understand, Figure 3 This is a reference diagram of the connection relationship between the nuclear capacity load and the nuclear capacity battery, showing the structural relationship between the nuclear capacity battery, the second type of control switch, the third type of control switch and the nuclear capacity load.

[0066] Embodiment 2

[0067] Figure 4 This is a flow chart of a method for non-stop capacity evaluation of a battery pack provided in the second embodiment of the present invention. This embodiment can be applied to the case of non-stop capacity evaluation of any single battery in a battery pack. The method can be performed by a non-stop capacity evaluation system for a battery pack, which can be configured in a complete set of distribution automation junction boxes. Figure 4 As shown, the method includes:

[0068] S410. Through the control module, in a non-core capacity state, control each first-type control switch to be in a closed state, and control each second-type control switch to be in an open state.

[0069] S420. Through the control module, in the core capacity state, after controlling each first-type control switch to be in the disconnected state, the on-off switch of the boost unit in the target switching module matching the target core capacity battery selected as the core capacity power supply is controlled to be in the disconnected state, and the on-off switches of other boost units are controlled to be in the connected state; the target second-type control switch on the connecting branch between the core capacity load and the target battery selected as the core capacity power supply is controlled to be in the closed state.

[0070] Optionally, the method may further include:

[0071] Through the data monitoring module, in the nuclear capacity state, the internal resistance, temperature and voltage values ​​of the target nuclear capacity battery are collected and sent to the auxiliary decision module in real time.

[0072] Through the auxiliary decision-making module, data analysis is performed based on the received internal resistance value, temperature value and voltage value, and a matching first-type control instruction is sent to the control module based on the analysis result.

[0073] Through the control module, the core capacity state of the non-stop core capacity system of the battery pack is switched and controlled according to the received first type of control instructions.

[0074] Furthermore, the auxiliary decision module performs data analysis based on the received internal resistance value, temperature value and voltage value, and sends a matching first-class control instruction to the control module based on the analysis result, including at least one of the following:

[0075] When it is determined through the auxiliary decision module that the voltage value is not within the standard floating range, a first type of control instruction for stopping the core capacity is sent to the control module;

[0076] When it is determined through the auxiliary decision-making module that the voltage value is not within the standard floating range, a first type of control instruction for stopping the nuclear capacity is sent to the control module, and the nuclear capacity stop time is recorded; when the time from the nuclear capacity stop reaches a first time length, a first type of control instruction for starting the target nuclear capacity battery to constantly charge the DC load is sent to the control module;

[0077] Through the auxiliary decision-making module, when it is determined that the temperature value exceeds the standard temperature range, a first-class control machine instruction for stopping the core capacity is sent to the control module, and the core capacity stop time is recorded; when the time away from the core capacity stop reaches the second time length, a first-class control instruction for re-capacitating the target core capacity battery is sent to the control module.

[0078] In the embodiment of the present invention, the internal resistance value, temperature value and voltage value are collected to determine whether there is an abnormality in the operation of the nuclear capacity battery. Specifically, the correspondence between the theoretical battery capacity value and the battery voltage value can be obtained from the pre-constructed curve of the relationship between battery capacity and voltage, and the standard floating range is the difference between the actual voltage and the theoretical voltage that is allowed to float. When the actual voltage change value of the nuclear capacity battery is not in the standard floating range, it means that the voltage value fluctuates greatly and there is an abnormality. At this time, the auxiliary decision module sends a stop nuclear capacity instruction to the control module and also sends an alarm message to the remote administrator. Before the abnormality is eliminated, the nuclear capacity operation will no longer be performed on the nuclear capacity battery.

[0079] In a specific example, if the specification of the nuclear capacity battery is 12V38Ah, the standard internal resistance threshold is pre-set to 8 milliohms, then when the internal resistance of the battery exceeds 8 milliohms, a command to stop the nuclear capacity is sent, and the first duration is pre-set to 5. Then, when the nuclear capacity stop time reaches 5 minutes, the on-off switch on the unidirectional DC / DC buck-boost unit corresponding to the nuclear capacity battery is closed, and the second type of control switch is opened at the same time, so that the nuclear capacity battery resumes power supply to the DC load.

[0080] According to national standards, the standard temperature range is generally [-20℃-60℃]. When the internal resistance temperature of the nuclear capacity battery exceeds 60℃, it is necessary to suspend the nuclear capacity first, that is, send a stop nuclear capacity instruction and start timing. The preset second time length is the time to wait for the nuclear capacity battery to cool down. After cooling, the nuclear capacity battery will be re-started.

[0081] Optionally, the method may further include:

[0082] Through the auxiliary decision-making module, data analysis is performed according to the received temperature value, and a matching second-type control instruction is sent to the control module according to the analysis result;

[0083] Through the control module, according to the received second type control instruction, the third type control switch on the parallel branch of the refrigeration fresh air component and / or the dehumidification and heating component is opened and closed.

[0084] Furthermore, the auxiliary decision module performs data analysis based on the received temperature value, and sends a matching second-type control instruction to the control module based on the analysis result, which may specifically include:

[0085] When it is determined through the auxiliary decision-making module that the battery temperature exceeds a preset high temperature threshold, a second type of control instruction for opening the third type of control switch on the parallel branch of the refrigeration fresh air component is sent to the control module;

[0086] After sending a second control instruction for opening the third control switch on the parallel branch of the refrigeration fresh air component, when it is determined that the battery temperature is lower than the preset high temperature threshold, sending a second control instruction for closing the third control switch on the parallel branch of the refrigeration fresh air component to the control module;

[0087] When it is determined that the battery temperature is lower than a preset low temperature threshold value, the auxiliary decision module sends a second control instruction for turning on the third control switch on the parallel path of the dehumidification and heating components to the control module;

[0088] After sending a second control instruction for turning on the third control switch on the parallel path of the dehumidification and heating components, when it is determined that the battery temperature is higher than a preset low temperature threshold, sending a second control instruction for turning off the third control switch on the parallel path of the dehumidification and heating components to the control module;

[0089] Among them, the preset high temperature threshold and the preset low temperature threshold are both within the standard temperature range.

[0090] In a specific example, the preset high temperature threshold can be set to 50°C, and the low temperature threshold can be set to 10°C. When the battery temperature reaches 50°C, a refrigeration and fresh air component is incorporated into the core capacity load, and when the battery temperature is below 50°C, the circuit connection between the refrigeration and fresh air component and the core capacity battery is disconnected; similarly, when the battery temperature is below 10°C, a dehumidification and heating component is incorporated into the core capacity load, and when the battery temperature is above 10°C, the circuit connection between the dehumidification and heating component and the core capacity battery is disconnected. It should be noted that the core capacity resistor and the core capacity battery are always connected during the entire core capacity process.

[0091] Optionally, the method may further include:

[0092] The data monitoring module collects the brightness value and particle concentration value of the environment where the power equipment is located, and sends them to the auxiliary decision-making module;

[0093] By means of the auxiliary decision-making module, data analysis is performed according to the received brightness value and particle concentration value, and a matching third-category control instruction is sent to the control module according to the analysis result;

[0094] Through the control module, according to the received third-type control instruction, the third-type control switch on the parallel branch of the lighting component and / or the dust removal component is controlled to be on and off;

[0095] Among them, performing data analysis according to the received brightness value and particle concentration value through the auxiliary decision module, and sending a matching third-category control instruction to the control module according to the analysis result further includes:

[0096] When it is determined through the auxiliary decision-making module that the brightness value of the environment where the power equipment is located is lower than the preset brightness threshold, a third type of control instruction for turning on the third type of control switch on the parallel branch of the lighting assembly is sent to the control module;

[0097] By means of the auxiliary decision-making module, after sending a third type of control instruction for turning on the third type of control switch on the parallel branch of the lighting assembly, when it is determined that the brightness value of the environment where the power equipment is located is lower than a preset brightness threshold, sending a third type of control instruction for turning off the third type of control switch on the parallel branch of the lighting assembly to the control module;

[0098] When it is determined through the auxiliary decision-making module that the particle concentration value of the environment where the power equipment is located is higher than the particle concentration threshold, a third type of control instruction for opening the third type of control switch on the parallel branch of the dust removal component is sent to the control module;

[0099] Through the auxiliary decision-making module, after sending a third-type control instruction to turn on the third-type control switch on the parallel branch of the dust removal component, when it is determined that the particle concentration value of the environment where the power equipment is located is lower than the preset particle concentration threshold, a third-type control instruction for closing the third-type control switch on the parallel branch of the dust removal component is sent to the control module.

[0100] In addition, the embodiments of the present invention creatively propose the green utilization of nuclear capacity discharge resources, that is, under the premise of meeting the nuclear capacity requirements, by considering the brightness and particle concentration of the surrounding environment, lighting components and dust removal components are selectively incorporated to achieve lighting and heat dissipation for power equipment, avoiding the energy waste and environmental pollution problems caused by the traditional resistance discharge method.

[0101] The embodiment of the present invention proposes a new method for non-stop capacity expansion of a battery pack. Specifically, the data acquisition module can determine whether an abnormality occurs in the capacity expansion process by collecting data from the capacity expansion battery, and can achieve green capacity expansion by collecting data from the surrounding environment. At the same time, the embodiment of the present invention also provides a detailed description of the switching module, control module, data detection module, and auxiliary decision-making module, and provides a detailed description of how to divide the work and cooperate between different modules; by realizing the linkage between the various modules, the flexible operation of the non-stop capacity expansion system of the battery pack is achieved, providing strong technical support for improving the reliability and efficiency of the power distribution terminal.

[0102] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0103] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A non-stop battery capacity system, characterized in that: include: Charger, DC load, nuclear capacity load, switching module, battery pack and control module; The battery pack includes a plurality of batteries, and the number of the switching modules matches the number of batteries in the battery pack; the switching module is a boost unit and a first type of control switch connected in parallel, each boost unit has an on-off switch, and the core capacity load includes a core capacity resistor; The charger is connected to the battery pack, each battery in the battery pack is connected to the DC load through a matching switching module, the core capacity load is connected to each battery in the battery pack, and a second type of control switch is provided on each connecting branch, and the control module is connected to the core capacity load, each switching module and each battery in the battery pack; A control module is used to control each first-type control switch to be in a closed state and each second-type control switch to be in an open state in a non-core capacity state, and, in a core capacity state, after controlling each first-type control switch to be in an open state, control the on-off switch of the boost unit in the target switching module matching the target core capacity battery selected as the core capacity power supply to be in an open state, and control the on-off switches of other boost units to be in a connected state; control the target second-type control switch on the connecting branch between the core capacity load and the target battery selected as the core capacity power supply to be in a closed state.

2. The system according to claim 1, characterized in that The system further comprises: a data monitoring module and an auxiliary decision module, wherein the data monitoring module is respectively connected to the auxiliary decision module and each battery in the battery pack; the auxiliary decision module is connected to the control module; The data monitoring module is used to collect the internal resistance value, temperature value and voltage value of the target nuclear capacity storage battery during the nuclear capacity of the target nuclear capacity storage battery and send them to the auxiliary decision-making module in real time; an auxiliary decision-making module, configured to perform data analysis based on the received internal resistance value, temperature value, and voltage value, and send a matching first-category control instruction to the control module based on the analysis result; The control module is also used to control the switching of the core capacity state of the non-stop core capacity system of the battery pack according to the received first type of control instructions.

3. The system according to claim 2, characterized in that: The core capacity load also includes a refrigeration fresh air component and a dehumidification and heating component, which are respectively connected in parallel with the core capacity resistor, and the parallel branches where the refrigeration fresh air component and the dehumidification and heating component are located are respectively provided with a third type control switch; The refrigeration fresh air component is used to cool down the connected target nuclear capacity battery in the nuclear capacity state; The dehumidification and heating component is used to heat the connected target nuclear capacity battery in the nuclear capacity state; The auxiliary decision-making module is also used to perform data analysis based on the received temperature value and send a matching second-type control instruction to the control module based on the analysis result; The control module is also used to control the opening and closing of the third control switch on the parallel branch of the refrigeration fresh air component and / or the dehumidification and heating component according to the received second type control instruction.

4. The system according to claim 2, characterized in that: The core capacity load also includes a lighting component and a dust removal component, which are respectively connected in parallel with the core capacity resistor, and the parallel branches where the lighting component and the dust removal component are located are respectively provided with a third type control switch; The lighting assembly is used to provide peripheral lighting for the electrical equipment in the environment in which it is set; The dust removal component is used to remove dust and dissipate heat for the electrical equipment in the environment in which it is set; The data monitoring module is also used to collect the brightness value and particle concentration value of the environment where the power equipment is located, and send them to the auxiliary decision module; The auxiliary decision module is also used to perform data analysis according to the received brightness value and particle concentration value, and send a matching third-category control instruction to the control module according to the analysis result; The control module is also used to control the opening and closing of the third type of control switch on the parallel branch of the lighting component and / or the dust removal component according to the received third type of control instruction.

5. A method for evaluating the capacity of a battery pack without power outage, characterized in that: Applied to the non-stop power supply core capacity system of a battery pack according to any one of claims 1 to 4, the method comprises: Through the control module, in a non-core capacity state, each first-type control switch is controlled to be in a closed state, and each second-type control switch is controlled to be in an open state; Through the control module, in the core capacity state, after controlling each first-type control switch to be in the disconnected state, the on-off switch of the boost unit in the target switching module matching the target core capacity battery selected as the core capacity power supply is controlled to be in the disconnected state, and the on-off switches of other boost units are controlled to be in the connected state; the target second-type control switch on the connecting branch between the core capacity load and the target battery selected as the core capacity power supply is controlled to be in the closed state.

6. The method according to claim 5, characterized in that The method further comprises: Through the data monitoring module, in the nuclear capacity state, the internal resistance value, temperature value and voltage value of the target nuclear capacity battery are collected and sent to the auxiliary decision module in real time; By means of the auxiliary decision-making module, data analysis is performed according to the received internal resistance value, temperature value and voltage value, and a matching first-class control instruction is sent to the control module according to the analysis result; Through the control module, the core capacity state of the non-stop core capacity system of the battery pack is switched and controlled according to the received first type of control instructions.

7. The method according to claim 6, characterized in that The auxiliary decision-making module performs data analysis according to the received internal resistance value, temperature value and voltage value, and sends a matching first-class control instruction to the control module according to the analysis result, including at least one of the following: When it is determined through the auxiliary decision module that the voltage value exceeds the standard floating range, a first type of control instruction for stopping the core capacity is sent to the control module; When it is determined through the auxiliary decision-making module that the voltage value is not within the standard floating range, a first type of control instruction for stopping the nuclear capacity is sent to the control module, and the nuclear capacity stop time is recorded; when the time from the nuclear capacity stop reaches a first time length, a first type of control instruction for starting the target nuclear capacity battery to constantly charge the DC load is sent to the control module; Through the auxiliary decision-making module, when it is determined that the temperature value exceeds the standard temperature range, a first-class control machine instruction for stopping the core capacity is sent to the control module, and the core capacity stop time is recorded; when the time away from the core capacity stop reaches the second time length, a first-class control instruction for re-capacitating the target core capacity battery is sent to the control module.

8. The method according to claim 5, characterized in that The method further comprises: Through the auxiliary decision-making module, data analysis is performed according to the received temperature value, and a matching second-type control instruction is sent to the control module according to the analysis result; Through the control module, according to the received second type control instruction, the third type control switch on the parallel branch of the refrigeration fresh air component and / or the dehumidification and heating component is opened and closed.

9. The method according to claim 8, characterized in that Through the auxiliary decision-making module, data analysis is performed according to the received temperature value, and a matching second-class control instruction is sent to the control module according to the analysis result, specifically including: When it is determined through the auxiliary decision-making module that the battery temperature exceeds a preset high temperature threshold, a second type of control instruction for opening the third type of control switch on the parallel branch of the refrigeration fresh air component is sent to the control module; After sending a second control instruction for opening the third control switch on the parallel branch of the refrigeration fresh air component, when it is determined that the battery temperature is lower than the preset high temperature threshold, sending a second control instruction for closing the third control switch on the parallel branch of the refrigeration fresh air component to the control module; When it is determined that the battery temperature is lower than a preset low temperature threshold value, the auxiliary decision module sends a second control instruction for turning on the third control switch on the parallel path of the dehumidification and heating components to the control module; After sending a second control instruction for turning on the third control switch on the parallel path of the dehumidification and heating components, when it is determined that the battery temperature is higher than a preset low temperature threshold, sending a second control instruction for turning off the third control switch on the parallel path of the dehumidification and heating components to the control module; Among them, the preset high temperature threshold and the preset low temperature threshold are both within the standard temperature range.

10. The method according to claim 5, characterized in that The method further comprises: The data monitoring module collects the brightness value and particle concentration value of the environment where the power equipment is located, and sends them to the auxiliary decision-making module; By means of the auxiliary decision-making module, data analysis is performed according to the received brightness value and particle concentration value, and a matching third-category control instruction is sent to the control module according to the analysis result; Through the control module, according to the received third-type control instruction, the third-type control switch on the parallel branch of the lighting component and / or the dust removal component is controlled to be on and off; Among them, performing data analysis according to the received brightness value and particle concentration value through the auxiliary decision module, and sending a matching third-category control instruction to the control module according to the analysis result further includes: When it is determined through the auxiliary decision-making module that the brightness value of the environment where the power equipment is located is lower than the preset brightness threshold, a third type of control instruction for turning on the third type of control switch on the parallel branch of the lighting assembly is sent to the control module; By means of the auxiliary decision-making module, after sending a third type of control instruction for turning on the third type of control switch on the parallel branch of the lighting assembly, when it is determined that the brightness value of the environment where the power equipment is located is lower than a preset brightness threshold, sending a third type of control instruction for turning off the third type of control switch on the parallel branch of the lighting assembly to the control module; When it is determined through the auxiliary decision-making module that the particle concentration value of the environment where the power equipment is located is higher than the particle concentration threshold, a third type of control instruction for opening the third type of control switch on the parallel branch of the dust removal component is sent to the control module; Through the auxiliary decision-making module, after sending a third-type control instruction to turn on the third-type control switch on the parallel branch of the dust removal component, when it is determined that the particle concentration value of the environment where the power equipment is located is lower than the preset particle concentration threshold, a third-type control instruction for closing the third-type control switch on the parallel branch of the dust removal component is sent to the control module.

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