CN217405524U - Energy storage battery thermal management system controller and energy storage battery thermal management system - Google Patents
Energy storage battery thermal management system controller and energy storage battery thermal management system Download PDFInfo
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- CN217405524U CN217405524U CN202220452835.0U CN202220452835U CN217405524U CN 217405524 U CN217405524 U CN 217405524U CN 202220452835 U CN202220452835 U CN 202220452835U CN 217405524 U CN217405524 U CN 217405524U
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Abstract
The utility model provides an energy storage battery thermal management system controller and an energy storage battery thermal management system, the energy storage battery thermal management system controller is applied to the technical field of energy storage batteries, and comprises a rectification module, a direct current conversion module, an inversion module, a low-voltage power distribution module, a high-voltage power distribution module and a temperature control module; the input end of the temperature control module is connected with an external temperature sensor, and the external temperature sensor detects the temperature of the energy storage battery; when the temperature control module receives a signal that the temperature of the external temperature sensor rises, the external cooling equipment is controlled to work as the energy storage battery cools down, and when the temperature control module receives a signal that the temperature of the external temperature sensor falls, the external heating equipment is controlled to work as the energy storage battery heats up. The utility model provides an energy storage battery thermal management system controller and energy storage battery thermal management system, the integrated level is high, and system reliability is high, has reduced the volume, the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the energy storage battery, especially, relate to an energy storage battery thermal management system controller and energy storage battery thermal management system.
Background
The heat management system of the battery of the energy storage power station has important significance for safe, stable and reliable operation of the energy storage power station. At present, controllers in thermal management systems designed by domestic energy storage power station battery thermal management system manufacturers are all modified from traditional air conditioner thermal management systems, and the control cost is very high due to the fact that all modules of the controller system are complex in connection and large in size.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy storage battery thermal management system controller and energy storage battery thermal management system to solve the technical problem that current energy storage battery thermal management system controller control is with high costs.
In order to achieve the above object, the utility model provides an energy storage battery thermal management system controller and energy storage battery thermal management system, energy storage battery thermal management system controller includes:
the device comprises a rectification module, a direct current conversion module, an inversion module, a low-voltage power distribution module, a high-voltage power distribution module and a temperature control module;
the input end of the temperature control module is connected with an external temperature sensor, and the external temperature sensor is configured to detect the temperature of the energy storage battery;
the output end of the temperature control module is respectively in communication connection with the control end of the rectification module, the control end of the direct current conversion module, the control end of the inversion module, the control end of the low-voltage power distribution module and the control end of the high-voltage power distribution module;
the input end of the rectification module and the input end of the high-voltage power distribution module are both connected with an external alternating-current power supply;
the output end of the rectification module is respectively connected with the input end of the inversion module and the input end of the direct current conversion module;
the output end of the direct current conversion module is connected with the input end of the low-voltage power distribution module;
the output end of the low-voltage power distribution module and the output end of the inversion module are both connected with external cooling equipment, and the external cooling equipment is configured to cool the energy storage battery;
the output end of the high-voltage power distribution module is connected with an external heating device, and the external heating device is configured to heat the energy storage battery.
In one possible implementation, the external cooling device includes an air cooling device and an air cooling/water cooling device;
the output end of the low-voltage power distribution module is connected with air cooling/water cooling equipment, and the output end of the inversion module is connected with air cooling equipment.
In one possible implementation manner, the energy storage battery thermal management system controller further includes: a first auxiliary power supply;
the input end of the first auxiliary power supply is used for being connected with external alternating current, and the output end of the first auxiliary power supply is used for being connected with the input end of the rectification module, the input end of the direct current conversion module, the input end of the inversion module, the input end of the low-voltage power distribution module, the input end of the high-voltage power distribution module and the input end of the temperature control module.
In one possible implementation manner, the energy storage battery thermal management system controller further includes: a second auxiliary power supply;
the input end of the second auxiliary power supply is used for being connected with the output end of the rectification module, and the output end of the second auxiliary power supply is used for being connected with the input end of the direct current conversion module, the input end of the inversion module, the input end of the low-voltage power distribution module, the input end of the high-voltage power distribution module and the input end of the temperature control module.
In one possible implementation manner, the energy storage battery thermal management system controller further includes: an over-temperature protection module;
the over-temperature protection module is configured to detect temperatures of an external cooling device and an external heating device;
a relay is connected in series between the output end of the rectification module and the output end of the inversion module;
the over-temperature protection module is also connected with the relay.
In a possible implementation manner, the output end of the temperature control module is in CAN communication connection with the control end of the rectification module, the control end of the dc conversion module, the control end of the inverter module, the control end of the low-voltage power distribution module, and the control end of the high-voltage power distribution module, respectively.
The utility model also provides an energy storage battery thermal management system, including temperature sensor, cooling arrangement, firing equipment, as above any one requirement energy storage battery thermal management system controller.
The utility model provides an energy storage battery thermal management system controller and energy storage battery thermal management system's beneficial effect lies in:
be different from prior art, carry out system integration with each functional unit, the modularized design works as temperature control module receives during the signal that outside temperature sensor temperature rose, control outside cooling device worker as the energy storage battery cooling, works as temperature control module receives during the signal that the temperature sensor temperature dropped, control outside heating device worker does the energy storage battery intensifies, can effectively realize energy storage battery's thermal management control. And because the modular design still can reduce the volume of energy storage battery thermal management system so that the customer arranges, the integrated level is high, has reduced external connection, the cost is reduced, and system reliability is high, can satisfy the requirement of energy storage power station long-term reliable operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a controller of a thermal management system for an energy storage battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rectifier module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a dc conversion module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an inverter module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a low-voltage power distribution module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a high voltage power distribution module according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a temperature control module according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a power distribution unit PDU according to an embodiment of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a controller of a thermal management system of an energy storage battery according to an embodiment of the present invention, where the controller of the thermal management system of the energy storage battery includes:
a rectification module (corresponding to the AC/DC module in fig. 1), a DC conversion module (corresponding to the DC/DC module in fig. 1), an inverter module (corresponding to the DC/AC module in fig. 1), a low voltage power distribution module (corresponding to the LV PDU module in fig. 1, which is shown in simplified version in fig. 1), a high voltage power distribution module (corresponding to the HV PDU module in fig. 1, which is shown in simplified version in fig. 1), and a temperature control module.
The input end of the temperature control module is connected with an external temperature sensor, and the output end of the temperature control module is respectively in communication connection with the control end of the rectification module, the control end of the direct current conversion module, the control end of the inversion module, the control end of the low-voltage power distribution module and the control end of the high-voltage power distribution module.
The input end of the rectification module and the input end of the high-voltage power distribution module are both connected with an external alternating-current power supply, and the output end of the rectification module is respectively connected with the input end of the inversion module and the input end of the direct-current conversion module.
The output end of the direct current conversion module is connected with the input end of the low-voltage power distribution module.
In this embodiment, referring to fig. 2, the rectifying module is connected to an external ac power source through an ac input connector, converts a unidirectional ac input power source into low-voltage control dc and high-voltage dc power required by the system, and outputs the current to the dc conversion module and the inverter module, so as to provide the required current for the whole system, thereby providing a power supply function.
In this embodiment, referring to fig. 3, the dc conversion module converts the high-voltage dc output by the rectification module into low-voltage dc, and outputs the low-voltage dc to the low-voltage power distribution module, so as to change the current and transmit the current.
In this embodiment, referring to fig. 4, the inverter module inverts the high-voltage dc output by the rectifier module into ac power required by the external cooling device, so as to invert the current and transmit the current. And then, the alternating current required by the external cooling equipment is transmitted to the external cooling equipment to cool the energy storage battery.
In this embodiment, please refer to fig. 5, please refer to the low-voltage power distribution module, which outputs the low-voltage dc power outputted by the dc conversion module to the external cooling device, and the temperature control module controls the external cooling device to perform the function of cooling the energy storage battery system.
In this embodiment, referring to fig. 6, the high voltage power distribution module transmits the ac power input from the external ac power source to the external heating device, and the temperature control module controls the external heating device to heat the energy storage battery system.
In this embodiment, please refer to fig. 7, an input end of the temperature control module is connected to an external temperature sensor, the external temperature sensor is configured to detect a temperature of the energy storage battery, and the temperature control module obtains a current temperature of the energy storage battery through the temperature sensor.
And controlling the low-voltage power distribution module and the high-voltage power distribution module according to the temperature of the current energy storage battery, so as to ensure the normal use of the energy storage battery. For example, the temperature of the energy storage battery is over-high currently, and the external cooling equipment is controlled by the low-voltage power distribution module to reduce the temperature of the energy storage battery. The current temperature of the energy storage battery is too low, and the external heating equipment is controlled through the high-voltage power distribution module to increase the temperature of the energy storage battery.
In a possible implementation manner, as the embodiment of the present invention provides a specific implementation manner of a controller for a thermal management system of an energy storage battery, please refer to fig. 5, the output of the low-voltage power distribution module and the output of the inversion module are all connected to an external cooling device, and the external cooling device plays a role in cooling the energy storage battery.
In this embodiment, the output end of the low-voltage power distribution module is not connected to the output end of the inverter module by the same cooling device, and the external cooling device includes an air cooling device and an air cooling/water cooling device. The output end of the low-voltage power distribution module is connected with air cooling/water cooling equipment, and the output end of the inversion module is connected with air cooling equipment. The air cooling equipment comprises a compressor device, the compressor sucks low-temperature low-pressure refrigerant gas from the air suction pipe, the piston is driven by the operation of the motor to compress the refrigerant gas, and then the high-temperature high-pressure refrigerant gas is discharged to the exhaust pipe to provide power for the refrigeration cycle and play a role in cooling the energy storage battery.
In this embodiment, referring to fig. 8, a power distribution unit PDU is configured in the low voltage power distribution module, and the power distribution unit PDU controls power distribution by an electronic switch, and has functions of pre-charging and over-current protection.
The power distribution unit PDU has the following characteristics:
(1) the pre-charging function is provided: the input capacitors of different external loads can be adapted to realize the impact current of the main switching tube;
(2) electronic switching tube: the main switching tube MOS and the integrated drive diagnosis chip can realize the overcurrent diagnosis function, can quickly detect overcurrent faults and switch off the overcurrent faults, and protect the system;
(3) and (3) outputting and increasing insurance: the protection function can be achieved for 2 times, and the UL authentication standard is met;
(4) the protection is quick and reliable: when overcurrent faults occur, the MOS of the main switching tube has certain short-time high-current impact capacity, the energy is not fused by insurance, and when the pulse current exceeds the MOS limit value, the MOS tube is closed and protected; when the MOS protection fails, the current energy reaches the fuse fusing condition, and the fuse is fused at the moment.
In a possible implementation manner, as a specific implementation manner of the energy storage battery thermal management system controller provided by the embodiment of the present invention, the energy storage battery thermal management system controller further includes a first auxiliary power supply (corresponding to the 24V auxiliary power supply in fig. 1).
The input end of the first auxiliary power supply is used for connecting external alternating current, and the output end of the first auxiliary power supply is used for connecting the input end of the rectification module, the input end of the direct current conversion module, the input end of the inversion module, the input end of the low-voltage power distribution module, the input end of the high-voltage power distribution module and the input end of the temperature control module
In this embodiment, first auxiliary power source stores external alternating current, and when meeting the sudden situation of rectifier module trouble, start first auxiliary power source and supply power for entire system, ensure energy storage battery's normal operating, first auxiliary power source plays temporary power supply effect.
In a possible implementation manner, as a specific implementation manner of the energy storage battery thermal management system controller provided by the embodiment of the present invention, the energy storage battery thermal management system controller further includes a second auxiliary power supply (corresponding to the 23V auxiliary power supply in fig. 1).
The input end of the second auxiliary power supply is used for being connected with the output end of the rectification module, and the output end of the second auxiliary power supply is used for being connected with the input end of the rectification module, the input end of the direct current conversion module, the input end of the inversion module, the input end of the low-voltage power distribution module, the input end of the high-voltage power distribution module and the input end of the temperature control module.
In this embodiment, the second auxiliary power supply stores external alternating current, and when a sudden situation of a fault of the rectifier module is encountered, the second auxiliary power supply is started to supply power to the whole system, so that normal operation of the energy storage battery is ensured, and the second auxiliary power supply plays a temporary power supply role.
In a possible implementation manner, as an embodiment of the present invention provides a specific implementation manner of a controller for a thermal management system of an energy storage battery, the controller for a thermal management system of an energy storage battery further includes an over-temperature protection module.
The over-temperature protection module is connected with the relay, and the relay is connected in series between the output end of the rectification module and the output end of the inversion module.
In this embodiment, the over-temperature protection module is used for detecting the temperature of the external cooling device and the external heating device, and when the temperature of the external device is too high, the over-temperature protection module is started, the relay bounces off, the power supply is cut off, and the whole system stops running, so that the normal running of the whole system is protected.
In a possible implementation manner, as the embodiment of the present invention provides a specific implementation manner of a Controller for thermal management system of energy storage battery, the output end of the temperature control module is further connected to the control end of the rectifier module, the control end of the dc conversion module, the control end of the inverter module, the control end of the low voltage power distribution module, the control end of the high voltage power distribution module, the CAN (Controller Area Network) communication
In this embodiment, use CAN communication connection between the module, transmission signal is stable, and the loss is little, is difficult for receiving external disturbance to conveniently expand the node number, the CAN bus node of making mistakes CAN automatic cutout and the contact between the bus, does not influence the communication of whole bus, has ensured entire system's normal operating in the aspect of communication control.
Furthermore, the embodiment of the utility model provides an energy storage battery thermal management system is still provided, including temperature sensor, cooling device, firing equipment, the energy storage battery thermal management system controller that describes above.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An energy storage battery thermal management system controller, comprising:
the device comprises a rectification module, a direct current conversion module, an inversion module, a low-voltage power distribution module, a high-voltage power distribution module and a temperature control module;
the input end of the temperature control module is connected with an external temperature sensor, and the external temperature sensor is configured to detect the temperature of the energy storage battery;
the output end of the temperature control module is respectively in communication connection with the control end of the rectification module, the control end of the direct current conversion module, the control end of the inversion module, the control end of the low-voltage power distribution module and the control end of the high-voltage power distribution module;
the input end of the rectification module and the input end of the high-voltage power distribution module are both connected with an external alternating-current power supply;
the output end of the rectification module is respectively connected with the input end of the inversion module and the input end of the direct current conversion module;
the output end of the direct current conversion module is connected with the input end of the low-voltage power distribution module;
the output end of the low-voltage power distribution module and the output end of the inversion module are both connected with external cooling equipment, and the external cooling equipment is configured to cool the energy storage battery;
the output end of the high-voltage power distribution module is connected with an external heating device, and the external heating device is configured to heat the energy storage battery.
2. The energy storage battery thermal management system controller of claim 1, wherein the external cooling device comprises an air cooling device and an air/water cooling device;
the output end of the low-voltage power distribution module is connected with air cooling/water cooling equipment, and the output end of the inversion module is connected with air cooling equipment.
3. The energy storage battery thermal management system controller of claim 1, further comprising: a first auxiliary power supply;
the input end of the first auxiliary power supply is used for being connected with external alternating current, and the output end of the first auxiliary power supply is used for being connected with the input end of the rectification module, the input end of the direct current conversion module, the input end of the inversion module, the input end of the low-voltage power distribution module, the input end of the high-voltage power distribution module and the input end of the temperature control module.
4. The energy storage battery thermal management system controller of claim 1, further comprising: a second auxiliary power supply;
the input end of the second auxiliary power supply is used for being connected with the output end of the rectification module, and the output end of the second auxiliary power supply is used for being connected with the input end of the direct current conversion module, the input end of the inversion module, the input end of the low-voltage power distribution module, the input end of the high-voltage power distribution module and the input end of the temperature control module.
5. The energy storage battery thermal management system controller of claim 1, further comprising: an over-temperature protection module;
the over-temperature protection module is configured to detect temperatures of an external cooling device and an external heating device;
a relay is connected in series between the output end of the rectification module and the output end of the inversion module;
the over-temperature protection module is also connected with the relay.
6. The energy storage battery thermal management system controller of claim 1, wherein an output end of the temperature control module is in CAN communication connection with a control end of the rectification module, a control end of the dc conversion module, a control end of the inverter module, a control end of the low-voltage power distribution module, and a control end of the high-voltage power distribution module, respectively.
7. An energy storage battery thermal management system, characterized by comprising a temperature sensor, a cooling device, a heating device, and an energy storage battery thermal management system controller according to any one of claims 1-6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220452835.0U CN217405524U (en) | 2022-03-02 | 2022-03-02 | Energy storage battery thermal management system controller and energy storage battery thermal management system |
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| CN202220452835.0U CN217405524U (en) | 2022-03-02 | 2022-03-02 | Energy storage battery thermal management system controller and energy storage battery thermal management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118041090A (en) * | 2024-02-01 | 2024-05-14 | 麟目能源(嘉兴)有限公司 | Power management system for energy storage thermal management equipment controller |
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- 2022-03-02 CN CN202220452835.0U patent/CN217405524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118041090A (en) * | 2024-02-01 | 2024-05-14 | 麟目能源(嘉兴)有限公司 | Power management system for energy storage thermal management equipment controller |
| CN118041090B (en) * | 2024-02-01 | 2024-07-12 | 麟目能源(嘉兴)有限公司 | Power management system for energy storage thermal management equipment controller |
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