CN111998429A - Heat exchange system of charging and exchanging station, control method of heat exchange system and charging and exchanging station - Google Patents

Heat exchange system of charging and exchanging station, control method of heat exchange system and charging and exchanging station Download PDF

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Publication number
CN111998429A
CN111998429A CN202010818583.4A CN202010818583A CN111998429A CN 111998429 A CN111998429 A CN 111998429A CN 202010818583 A CN202010818583 A CN 202010818583A CN 111998429 A CN111998429 A CN 111998429A
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China
Prior art keywords
charging
wind
circulation
circulating
charging area
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CN202010818583.4A
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Chinese (zh)
Inventor
邱胜国
袁丹
蔡瑜
钟益晴
李文强
卞怀朋
赵飞
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Bozhon Precision Industry Technology Co Ltd
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Bozhon Precision Industry Technology Co Ltd
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Priority to CN202010818583.4A priority Critical patent/CN111998429A/en
Publication of CN111998429A publication Critical patent/CN111998429A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/302—Cooling of charging equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1084—Arrangement or mounting of control or safety devices for air heating systems
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Abstract

The invention discloses a heat exchange system of a charging and replacing power station, a control method of the heat exchange system and the charging and replacing power station. The heat exchange system of the charging and replacing power station comprises: a charging region and a non-charging region; the charging module is positioned in the charging area; the charging module comprises at least two charging cabinets, and each charging cabinet comprises at least two chargers; at least two circulating power sources located in the charging region; one circulation power source correspondingly cools at least one charger; the internal circulation adjusting module is used for adjusting the wind speed of the internal circulation wind; the external circulation adjusting module is used for adjusting the wind speed of external circulation wind; the heat exchange control module is respectively and electrically connected with the circulating power source, the internal circulation adjusting module and the external circulation adjusting module; the heat exchange control module is used for controlling the opening number and/or the wind speed of the circulating power source; and controls the working states of the internal circulation adjusting module and the external circulation adjusting module. The invention can realize the recycling of charging heat energy and reduce the operation cost of the charging and replacing power station.

Description

Heat exchange system of charging and exchanging station, control method of heat exchange system and charging and exchanging station
Technical Field
The embodiment of the invention relates to the technical field of heat circulation, in particular to a heat exchange system of a charging and replacing power station, a control method of the heat exchange system and the charging and replacing power station.
Background
The continuous running of the electric automobile needs sufficient electric energy to ensure, and the charging and replacing station is an energy station for providing charging and quick replacement of the power battery for the power battery of the electric automobile. With the gradually highlighted advantages of the charging and replacing power station mode in terms of price, convenience in use and reliability, the demand of the charging and replacing power station will be continuously increased in the future. However, the existing charging and replacing power station has the problem of large power consumption of temperature regulation and control, and particularly in cold seasons, the resource waste is more serious, and the operation cost is higher.
Disclosure of Invention
The embodiment of the invention provides a heat exchange system of a charging and replacing power station, a control method thereof and the charging and replacing power station, so that the recycling of charging heat energy is realized, and the operation cost of the charging and replacing power station is reduced.
In a first aspect, an embodiment of the present invention provides a heat exchange system for a charging and replacing power station, where the heat exchange system for a charging and replacing power station includes: a charging region and a non-charging region;
the charging module is positioned in the charging area; the charging module comprises at least two charging cabinets, and each charging cabinet comprises at least two chargers;
at least two cyclic power sources located in the charging zone; one circulating power source correspondingly cools at least one charger; the circulating power source is used for providing total circulating wind in the charging area; part of the total circulating wind enters the non-charging area to form internal circulating wind, and the internal circulating wind provides heat for the non-charging area; part of the total circulating air enters an atmospheric environment outside the charging and replacing power station to form external circulating air;
the internal circulation adjusting module is used for adjusting the wind speed of the internal circulation wind;
the external circulation adjusting module is used for adjusting the wind speed of the external circulation wind;
the heat exchange control module is electrically connected with the circulating power source, the inner circulation adjusting module and the outer circulation adjusting module respectively; the heat exchange control module is used for controlling the starting number and/or the wind speed of the circulating power source; and controlling the working states of the internal circulation adjusting module and the external circulation adjusting module.
Optionally, the charging and replacing station heat exchange system further includes:
the charging area temperature detection module is positioned in the charging area; the charging area temperature detection module is electrically connected with the heat exchange control module; the charging area temperature detection module is used for detecting the temperature of the charging area;
the non-charging area temperature detection module is positioned in the non-charging area; the non-charging area temperature detection module is electrically connected with the heat exchange control module; the non-charging area temperature detection module is used for detecting the temperature of the non-charging area.
Optionally, at least two charging cabinets are arranged in a centralized manner in one area of the charging area; or the charging cabinets are distributed in at least two areas of the charging area.
Optionally, the internal circulation adjusting module comprises an internal circulation air outlet and an internal circulation adjuster; the internal circulation regulator is arranged at the internal circulation air outlet;
the external circulation adjusting module comprises an external circulation air outlet and an external circulation adjuster; wherein, the extrinsic cycle regulator sets up in extrinsic cycle air outlet.
Optionally, the internal circulation regulator comprises: fans, hinge dampers or proportional valves;
the external circulation regulator includes: fans, hinge blast valves or proportional valves.
Optionally, the internal circulation adjusting module further comprises an internal circulation air duct, the internal circulation air duct extends from the charging region to the non-charging region, and the internal circulation air duct is used for sending the internal circulation air to a specified position of the non-charging region.
In a second aspect, an embodiment of the present invention provides a method for controlling a heat exchange system of a charging and swapping station, where the method for controlling a heat exchange system of a charging and swapping station includes:
acquiring target temperature data of a charging area, actual temperature data of the charging area, target temperature data of a non-charging area and actual temperature data of the non-charging area;
obtaining wind speed data of total circulating wind required by a charging module according to the charging area target temperature data and the charging area actual temperature data;
obtaining a circulating power source control signal according to the wind speed data of the total circulating wind; wherein the circulating power source control signal is used for controlling the opening number and the wind speed of the circulating power source;
obtaining an inner circulation control signal and an outer circulation control signal according to the wind speed data of the total circulating wind, the target temperature data of the non-charging area and the actual temperature data of the non-charging area; the internal circulation control signal is used for controlling the working state of the internal circulation adjusting module; the outer circulation control signal is used for controlling the working state of the outer circulation adjusting module.
Optionally, obtaining an inner circulation control signal and an outer circulation control signal according to the wind speed data of the total circulating wind, the target temperature data of the non-charging area and the actual temperature data of the non-charging area, including:
obtaining wind speed data of internal circulation wind according to the difference value of the target temperature data of the non-charging area and the actual temperature data of the non-charging area;
obtaining wind speed data of external circulating wind according to the difference value of the wind speed data of the total circulating wind and the wind speed data of the internal circulating wind;
obtaining the internal circulation control signal according to the wind speed data of the internal circulation wind; and obtaining the outer circulation control signal according to the wind speed data of the outer circulation wind.
Optionally, obtaining the internal circulation control signal according to the wind speed data of the internal circulation wind; obtaining the outer circulation control signal according to the wind speed data of the outer circulation wind, wherein the method comprises the following steps:
when the target temperature data of the non-charging area is larger than the actual temperature data of the non-charging area and the wind speed data of the total circulating wind is smaller than or equal to the wind speed data of the inner circulating wind, the obtained inner circulating control signal controls the inner circulating adjusting module to be opened, and the obtained outer circulating control signal controls the outer circulating adjusting module to be closed, so that the total circulating wind completely enters the non-charging area;
when the target temperature data of the non-charging area is larger than the actual temperature data of the non-charging area and the wind speed data of the total circulating wind is larger than the wind speed data of the internal circulating wind, the obtained internal circulating control signal controls the internal circulating regulation module to be opened; the obtained outer circulation control signal controls the outer circulation adjusting module to be opened;
and when the target temperature data of the non-charging area is less than or equal to the actual temperature data of the non-charging area, the obtained inner circulation control signal controls the inner circulation adjusting module to be closed, and the obtained outer circulation control signal controls the outer circulation adjusting module to be opened.
In a third aspect, an embodiment of the present invention provides a charging and swapping station, where the charging and swapping station includes the heat exchange system for a charging and swapping station provided in any embodiment of the present invention.
According to the embodiment of the invention, the opening number and the wind speed of the circulating power source are controlled by the heat exchange control module, so that the electric energy waste caused by excessive opening of the circulating power source or too high wind speed can be avoided. And the started circulating power source cools a charger in the charging module to form total circulating air. The heat exchange control module controls the working state of the internal circulation adjusting module, when the internal circulation adjusting module is opened, at least part of total circulating air enters the non-charging area to form internal circulating air, and heat is provided for the non-charging area. The surplus heat in the charging area is used for supplying heat demand in the non-charging area, waste of heat generated in the charging area can be avoided, meanwhile, the non-charging area can be stopped or the use of heating equipment is reduced, and energy consumption caused by temperature adjustment is further reduced. Therefore, compared with the prior art, the embodiment of the invention can realize the recycling of charging heat energy, reduce the energy consumed by the charging and replacing power station in the temperature regulation and control process and further reduce the operation cost of the charging and replacing power station.
Drawings
Fig. 1 is a schematic layout structure diagram of a heat exchange system of a charging and swapping station according to an embodiment of the present invention;
fig. 2 is a schematic circuit structure diagram of a heat exchange system of a charging and swapping station according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of another heat exchange system of a charging and replacing power station according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a heat exchange system of a charging and swapping station according to an embodiment of the present invention;
fig. 5 is a schematic flowchart of a control method of a heat exchange system of a charging and swapping station according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of another control method for a heat exchange system of a charging and swapping station according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a direction of circulating wind of a heat exchange system of a charging and replacing power station according to an embodiment of the present invention;
fig. 8 is a schematic view of a circulating wind direction of another heat exchange system of a charging and replacing power station according to an embodiment of the present invention;
fig. 9 is a schematic view of a circulating wind direction of a heat exchange system of a charging and replacing power station according to another embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The embodiment of the invention provides a heat exchange system of a charging and replacing power station. Fig. 1 is a schematic layout structure diagram of a heat exchange system of a charging and swapping station according to an embodiment of the present invention, and fig. 2 is a schematic circuit structure diagram of the heat exchange system of the charging and swapping station according to the embodiment of the present invention. As shown in fig. 1 and 2, the charging station heat exchange system includes: charging region 210 and non-charging region 220, and charging module 230 and circulating power source 120. The charging module 230 and the at least two power sources are located in the charging region 210; the charging module 230 includes at least two charging cabinets including at least two chargers. One circulation power source correspondingly cools at least one charger. Therefore, each charger is provided with a specific circulating power source, and the heat dissipation of the charger is facilitated.
In fig. 2, the charging module 230 in the charging area 210 includes two charging cabinets (i.e., a first charging cabinet 211 and a second charging cabinet 212) as an example to explain the structure of the charging area 210. As shown in fig. 2, there are various ways in which the charger is equipped with a circulating power source. Illustratively, in the first charging cabinet 211, two chargers are included, each equipped with an independent circulation power source, i.e., the first charger 2111 is equipped with a first circulation power source 2113, and the second charger 2112 is equipped with a second circulation power source 2114. In the second charging cabinet 212, two chargers are grouped, and one circulation power source serves one charging group, that is, the third circulation power source 2123 cools the third charger 2121 and the fourth charger 2122 at the same time.
The circulating power source 120 is used to provide a total circulating wind within the charging region 210. At least part of the total circulating wind enters the non-charging region 220 to form internal circulating wind, and the internal circulating wind provides heat for the non-charging region 220. And at least part of the total circulating wind enters the atmospheric environment outside the charging and replacing power station to form external circulating wind. Alternatively, the cyclical power source 120 may be a fan.
The heat exchange system of the charging and replacing power station further comprises: an inner loop adjustment module 130, an outer loop adjustment module 140, and a heat exchange control module 110. The inner loop adjustment module 130 may be disposed at a boundary position between the charging region 210 and the non-charging region 220. The internal circulation adjusting module 130 is used for adjusting the wind speed of the internal circulation wind; the outer circulation adjusting module 140 is used for adjusting the wind speed of the outer circulation wind. The internal circulation is heat circulation between the charging region 210 and the non-charging region 220 in the charging station. The outer circulation adjustment module 140 may be disposed at a boundary between the charging region 210 and an atmospheric environment outside the charging station. The external circulation refers to heat exchange between the charging region 210 and the external environment of the charging and swapping station. The hot swap control module 110 may be disposed in either the charging region 210 or the non-charging region 220. The heat exchange control module 110 is electrically connected to the circulation power source 120, the inner circulation regulation module 130, and the outer circulation regulation module 140, respectively. The heat exchange control module 110 is used for controlling the opening number and/or the wind speed of the circulating power source 120; and controls the operating states of the inner loop adjustment module 130 and the outer loop adjustment module 140.
The electrical connection between the modules may include a wired connection, a wireless connection, and the like. The electric connection mode can be set according to actual requirements, and the electric connection mode is not limited in the application.
Illustratively, the working principle of the heat exchange system of the charging and replacing power station is as follows:
the hot swap control module 110 controls the number of on-times and/or wind speeds of the circulation power source 120 according to the hot swap requirements of the charging region 210. Alternatively, once the circulation power source 120 is turned on, the heat exchange control module 110 may operate at the default wind speed by controlling the number of turns on the circulation power source 120 to meet the heat exchange requirement of the charging region 210; or the number of the circulation power sources 120 which are turned on is fixed, the heat exchange control module 110 controls the wind speed of the turned-on circulation power sources 120 to meet the heat exchange requirement of the charging area 210; or the heat exchange control module 110 controls both the number of on-times of the circulation power source 120 and the wind speed of the on-times circulation power source 120 to meet the heat exchange requirement of the charging region 210. After the circulating power source 120 is started, negative pressure is formed on one side of the charging cabinet, air outside the charging area 210 is attracted to form return air to enter the charging area 210, and the return air passes through the charging cabinet as cooling air to take away redundant heat generated by the charger to form circulating air. The sum of the circulating wind generated by all the activated circulating power sources 120 is the total circulating wind, and the total circulating wind forms positive pressure at the other side of the charging cabinet, so that the total circulating wind is blown out from the charging area 210. The heat exchange control module 110 controls the working states of the inner circulation adjusting module 130 and the outer circulation adjusting module 140 respectively, and distributes the total circulating air into inner circulating air and outer circulating air for release. The operation state of the internal circulation adjustment module 130 may include whether the internal circulation adjustment module 130 is turned on and the degree of turning on the internal circulation adjustment module 130. The operating state of the outer loop adjustment module 140 may include whether the outer loop adjustment module 140 is turned on and the degree to which the outer loop adjustment module 140 is turned on. When the internal circulation adjusting module 130 is turned on, a part of the total circulating wind released to the non-charging area 220 through the internal circulation adjusting module 130 is the internal circulating wind, and the internal circulating wind transfers the heat generated by the charger to the non-charging area 220 to increase the temperature of the non-charging area 220. When the external circulation adjusting module 140 is turned on, part of the total circulating wind released to the atmosphere environment through the external circulation adjusting module 140 is the external circulating wind.
According to the heat exchange system for the charging and replacing power station, the opening number and the wind speed of the circulating power source are controlled through the heat exchange control module, so that the waste of electric energy caused by excessive opening of the circulating power source or too high wind speed can be avoided. And the started circulating power source cools a charger in the charging module to form total circulating air. The heat exchange control module controls the working state of the internal circulation adjusting module, when the internal circulation adjusting module is opened, at least part of total circulating air enters the non-charging area to form internal circulating air, and heat is provided for the non-charging area. The surplus heat in the charging area is used for supplying heat demand in the non-charging area, waste of heat generated in the charging area can be avoided, meanwhile, the non-charging area can be stopped or the use of heating equipment is reduced, and energy consumption caused by temperature adjustment is further reduced. Therefore, the embodiment of the invention can realize the recycling of charging heat energy, reduce the energy consumed by the charging and replacing power station in the temperature regulation and control process and further reduce the operation cost of the charging and replacing power station.
On the basis of the above embodiments, optionally, at least two charging cabinets are arranged in a centralized manner in one region of the charging area; or the charging cabinets are distributed in at least two areas of the charging area. The arrangement mode of the charging cabinet can be designed according to the terrain of the charging and replacing power station or the convenience of use and the like. The embodiment of the invention defines that the area where the charging cabinet is located is a charging area.
Fig. 3 is a schematic circuit structure diagram of another heat exchange system of a charging and replacing power station according to an embodiment of the present invention. As shown in fig. 3, on the basis of the above embodiments, optionally, the charging station heat exchange system further includes: a charging zone temperature detection module 150 and a non-charging zone temperature detection module 160.
Wherein, the charging region temperature detection module 150 is located in the charging region; the charging region temperature detection module 150 is electrically connected to the heat exchange control module 110; the charging region temperature detection module 150 is used to detect the temperature of the charging region. The non-charging region temperature detection module 160 is located in the non-charging region; the non-charging region temperature detection module 160 is electrically connected to the heat exchange control module 110; the non-charging region temperature detection module 160 is used to detect the temperature of the non-charging region.
Illustratively, the heat exchange system of the charging station operates on the principle that the charging zone temperature detection module 150 detects the temperature of the charging zone and transmits the detected temperature to the heat exchange control module 110. The heat exchange control module 110 controls the amount of the circulation power source 120 turned on and the wind speed in conjunction with the current temperature and the target temperature of the charging region so that the temperature of the charging region may be lowered to the target temperature. Or the charging and replacing power station controls the number of the started chargers according to the operation requirement, the circulating power source equipped for the started chargers is correspondingly started, and the heat exchange control module 110 only controls the wind speed of the started circulating power source, so that the temperature of the charging area can be reduced to the target temperature. The total circulating wind carries heat generated after the charging region is lowered from the current temperature to the target temperature.
The non-charging region temperature detection module 160 detects the temperature of the non-charging region and transmits it to the heat exchange control module 110. The heat exchange control module 110 determines whether the amount of heat carried by the total circulation wind is sufficient to raise the temperature of the non-charging region to the target temperature based on the current temperature of the non-charging region and the target temperature.
When the heat is insufficient, such as when the atmospheric temperature is extremely low, all of the heat energy of the charged region is insufficient to ensure that the non-charged region reaches the target temperature. The heat exchange control module 110 controls the internal circulation adjusting module 130 to be turned on and controls the external circulation adjusting module 140 to be turned off, for example, controls the opening degree of the internal circulation adjusting module 130 to be maximum, so that the total circulating wind is completely converted into the internal circulating wind and the total heat is used for increasing the temperature of the non-charging region. Optionally, heating equipment (such as an air conditioner) can be turned on to supplement the lack of heat. Especially in cold winter, the heating equipment can only provide the heat energy that still lacks except the heat that total circulating wind carried, can the energy saving, solves and fills the power station and trades the problem of power consumptive too much and difficult operation in the cold city in the north because of the regulation and control temperature, for filling the power station in the future provide the powerful guarantee in the operation in the city in the north.
When the heat is sufficient, such as due to seasonal changes, the atmospheric temperature rises, and all of the thermal energy in the charging region can ensure that the non-charging region reaches the target temperature. The heat exchange control module 110 controls the internal circulation adjusting module 130 and the external circulation adjusting module 140 to be opened, so that part of the total circulating air is converted into the internal circulating air to supply heat to the non-charging area, and the rest of the total circulating air is converted into the external circulating air to be discharged out of the charging and replacing station. Specifically, the air volumes of the inner circulation and the outer circulation may be controlled by controlling the opening degrees of the inner circulation adjusting module 130 and the outer circulation adjusting module 140.
When the current temperature of the non-charging area is higher than the target temperature, for example, due to seasonal changes, the atmospheric temperature rises again, so that the non-charging area no longer needs to supply heat. The heat exchange control module 110 controls the internal circulation adjusting module 130 to be closed and controls the external circulation adjusting module 140 to be opened, for example, controls the opening degree of the external circulation adjusting module 140 to be maximum, so that all the total circulating wind is converted into external circulating wind and is discharged to the atmosphere outside the charging and converting station. Optionally, the refrigeration device may be turned on at this time to lower the temperature of the non-charging region to the target temperature.
On the basis of the above embodiments, optionally, the internal circulation adjusting module 130 includes an internal circulation air outlet and an internal circulation adjuster; wherein, the internal circulation regulator is arranged at the internal circulation air outlet. Optionally, the internal circulation regulator comprises: fans, hinge blast valves or proportional valves. If the internal circulation regulator is set as a fan, the wind speed and the wind volume of the internal circulation wind are controlled by controlling the rotating speed of the fan; if the internal circulation regulator is set to be a hinge air valve or a proportional valve, the air speed and the air volume of the internal circulation air are controlled through the opening of the controller.
Accordingly, the external circulation adjustment module 140 includes an external circulation outlet and an external circulation adjuster; wherein, the outer circulation regulator is arranged at the outer circulation air outlet. Optionally, the external circulation regulator comprises: fans, hinge blast valves or proportional valves.
On the basis of the above embodiments, optionally, the internal circulation adjusting module may further include an internal circulation duct, the internal circulation duct extends from the charging region to the non-charging region, and the internal circulation duct is configured to deliver the internal circulation duct to a specified position of the non-charging region. Through the internal circulation air pipe, the heat can be conveyed to the part needing heating in the non-charging area in a centralized manner, and the direction of the internal circulation air is convenient to control.
Fig. 4 is a schematic structural diagram of a heat exchange system of a charging and swapping station according to an embodiment of the present invention. As shown in fig. 4, on the basis of the above embodiments, optionally, in addition to the external circulation air outlet 410 and the internal circulation air outlet 420, an internal circulation air return outlet (in fig. 4, two internal circulation air return outlets, i.e., a first internal circulation air return outlet 431 and a second internal circulation air return outlet 432 are taken as an example) may be further provided on the other side of the charging cabinet corresponding to the internal circulation air outlet 420, and an internal circulation air return regulator may be provided at the internal circulation air return outlet. An external circulation return air inlet (in fig. 4, two external circulation return air inlets, i.e., a first external circulation return air inlet 441 and a second external circulation return air inlet 442, are taken as an example) may be further disposed at the other side of the charging cabinet corresponding to the external circulation air outlet 410 in the charging area, and an external circulation return air regulator may be disposed at the external circulation return air inlet.
The wind circulation process of the charging and replacing station is explained by taking the internal circulation regulator, the external circulation regulator, the internal circulation air returning regulator and the external circulation air returning regulator which are all proportional valves as examples: the heat exchange control module 110 obtains a required total circulating wind speed according to the current temperature and the target temperature of the charging region, and controls the wind speed of the circulating power source 120. At this time, the heat exchange control module 110 controls the opening degree of the external circulation return air proportional valve to control the air volume and direction of the external circulation return air, and controls the opening degree of the internal circulation return air proportional valve to control the air volume and direction of the internal circulation return air. The internal circulation return air and the external circulation return air form cooling air which penetrates through the charging cabinet to form total circulation air. The heat exchange control module 110 obtains the required internal circulation wind speed according to the actual temperature and the target temperature of the non-charging area, and distributes the total circulation wind according to the internal circulation wind speed. The heat exchange control module 110 controls the opening of the internal circulation proportional valve to control the air volume and direction of the internal circulation air, so that the internal circulation air reaches the required air speed. Optionally, the direction of the internal circulation air can be controlled by the air pipe to be discharged to a designated position. The heat exchange control module 110 controls the opening of the external circulation proportional valve to release the residual air quantity out of the charging and replacing power station. Through the real-time adjustment of the heat exchange control module 110, the internal circulation wind speed is equal to the internal circulation return wind speed, the external circulation wind speed is equal to the external circulation return wind speed, and the dynamic balance of the wind circulation of the heat exchange system of the charging and replacing station is achieved.
In the present embodiment, the temperatures of the charging area and the non-charging area change in real time, and the power of the circulation power source also changes in real time, so the wind speed of the total circulating wind also changes in real time. The charging area temperature detection module and the non-charging area temperature detection module detect the temperatures of the charging area and the non-charging area in real time and transmit the temperatures to the heat exchange control module, so that the heat exchange control module adjusts the wind speeds of the inner circulating wind and the outer circulating wind in real time. The embodiment of the invention can realize the dynamic adjustment of the heat cycle in the charging and replacing power station so as to achieve better heat energy recycling effect.
The embodiment of the invention also provides a control method of the heat exchange system of the charging and replacing power station, which is used for controlling the heat exchange system of the charging and replacing power station provided by any embodiment of the invention.
Fig. 5 is a flowchart illustrating a control method of a heat exchange system of a charging and swapping station according to an embodiment of the present invention. As shown in fig. 5, the control method of the heat exchange system of the charging and replacing power station includes the following steps:
s110, acquiring target temperature data of a charging area, actual temperature data of the charging area, target temperature data of a non-charging area and actual temperature data of the non-charging area.
The actual temperature of the charging area is detected by the charging area temperature detection module and is uploaded to the heat exchange control module; the actual temperature of the non-charging area is detected by the non-charging area temperature detection module and is uploaded to the heat exchange control module. The acquisition of the charging area target temperature data may be automatic adjustment setting, for example, the charging area target temperature is determined according to the previous operating condition and the working state of the charger, or may be set by an operator. The acquisition of the target temperature data of the non-charging area may be automatically adjusted and set or set by a worker.
And S120, obtaining wind speed data of the total circulating wind required by the charging module according to the target temperature data of the charging area and the actual temperature data of the charging area.
The wind speed data of the total circulating wind is wind speed data required for reducing the temperature of the charging area to target temperature data. I.e., the total circulating wind carries heat generated by reducing the actual temperature of the charging region to the target temperature.
S130, obtaining a circulating power source control signal according to the wind speed data of the total circulating wind; wherein the circulating power source control signal is used for controlling the opening number and the wind speed of the circulating power source.
The circulating power source control signal controls the quantity and the wind speed of the opening of the circulating power source, negative pressure is formed on one side of the charging cabinet after the circulating power source is opened, air outside the charging area is attracted to form return air to enter the charging area, the return air passes through the charging cabinet as cooling air, and the surplus heat generated by the charger is taken away to form circulating air. The sum of the circulating wind generated by all the started circulating power sources is the total circulating wind, and the total circulating wind forms positive pressure on the other side of the charging cabinet, so that the total circulating wind is blown out from the charging area. Alternatively, the source of circulating power may be a fan.
And S140, obtaining an inner circulation control signal and an outer circulation control signal according to the wind speed data of the total circulating wind, the target temperature data of the non-charging area and the actual temperature data of the non-charging area.
Specifically, the amount of heat required for the non-charging region to reach the target temperature can be obtained from the non-charging region target temperature data and the non-charging region actual temperature data. And distributing the wind speed of the total circulating wind according to the heat value. The internal circulation control signal is used for controlling the working state of the internal circulation adjusting module; the outer circulation control signal is used for controlling the working state of the outer circulation adjusting module.
According to the control method of the heat exchange system of the charging and replacing power station, the opening number and the wind speed of the circulating power source are controlled through the circulating power source control signal, and electric energy waste caused by excessive circulating power source opening or too high wind speed can be avoided. And the started circulating power source cools a charger in the charging module to form total circulating air. The internal circulation control signal controls the working state of the internal circulation adjusting module, when the internal circulation adjusting module is opened, at least part of total circulating air enters the non-charging area to form internal circulating air, and heat is provided for the non-charging area. The surplus heat in the charging area is used for supplying heat demand in the non-charging area, waste of heat generated in the charging area can be avoided, meanwhile, the non-charging area can be stopped or the use of heating equipment is reduced, and energy consumption caused by temperature adjustment is further reduced. Therefore, the embodiment of the invention can realize the recycling of charging heat energy, reduce the energy consumed by the charging and replacing power station in the temperature regulation and control process and further reduce the operation cost of the charging and replacing power station.
Fig. 6 is a flowchart illustrating another control method for a heat exchange system of a charging station according to an embodiment of the present invention. As shown in fig. 6, in addition to the above-described embodiments, the present embodiment further supplements the wind speed distribution of the total circulating wind. The control method of the heat exchange system of the charging and replacing power station comprises the following steps:
s210, acquiring target temperature data of a charging area, actual temperature data of the charging area, target temperature data of a non-charging area and actual temperature data of the non-charging area.
And S220, obtaining wind speed data of the total circulating wind required by the charging module according to the target temperature data of the charging area and the actual temperature data of the charging area.
S230, obtaining a circulating power source control signal according to the wind speed data of the total circulating wind; wherein the circulating power source control signal is used for controlling the opening number and the wind speed of the circulating power source.
S240, obtaining wind speed data of the internal circulation wind according to the difference value of the target temperature data of the non-charging area and the actual temperature data of the non-charging area.
The wind speed of the internal circulation wind is recorded as V1, the actual temperature of the non-charging region is recorded as Tb, and the target temperature of the non-charging region is recorded as Ti. The adjustment curve of the wind speed V1 of the internal circulation wind conforms to the control curve (including but not limited to PID curve) of the actual temperature Tb and the target temperature Ti in the non-charging region. The control function V1 (Ti, Tb) is required to satisfy the condition that the larger the characteristic Ti-Tb, the larger V1, and the smaller Ti-Tb, the smaller V1.
And S250, obtaining the wind speed data of the external circulating wind according to the difference value of the wind speed data of the total circulating wind and the wind speed data of the internal circulating wind.
And the wind speed of the external circulating wind is equal to the wind speed of the total circulating wind minus the wind speed of the internal circulating wind.
S260, obtaining an internal circulation control signal according to the wind speed data of the internal circulation wind; and obtaining an external circulation control signal according to the wind speed data of the external circulation wind.
The control of the internal circulation air and the external circulation air can be divided into three cases.
Fig. 7 is a schematic diagram of a direction of circulating wind of a heat exchange system of a charging and replacing power station according to an embodiment of the present invention. Referring to fig. 7, optionally, when the target temperature data of the non-charging area is greater than the actual temperature data of the non-charging area, and the wind speed data of the total circulating wind is less than or equal to the wind speed data of the internal circulating wind, the obtained internal circulating control signal controls the internal circulating regulation module to be opened, and the obtained external circulating control signal controls the external circulating regulation module to be closed, so that the total circulating wind completely enters the non-charging area. Because the heat provided by the total circulating air is not enough to enable the temperature of the non-charging area to reach the target temperature, only the internal circulation adjusting module is started, and correspondingly, the cooling air passing through the charging cabinet is only formed by internal circulation return air.
Fig. 8 is a schematic view of a circulating wind direction of another heat exchange system of a charging and replacing power station according to an embodiment of the present invention. Referring to fig. 8, optionally, when the target temperature data of the non-charging area is greater than the actual temperature data of the non-charging area, and the wind speed data of the total circulating wind is greater than the wind speed data of the internal circulating wind, the obtained internal circulating control signal controls the internal circulating regulation module to be opened; and the obtained outer circulation control signal controls the outer circulation adjusting module to open. The wind speed of the internal circulating wind needs to ensure that the temperature of the non-charging area rises to a target temperature, and the wind speed of the external circulating wind is adjusted to release the residual heat of the total circulating wind from the external circulating wind. Correspondingly, the cooling air passing through the charging cabinet also consists of internal circulation return air and external circulation return air.
Fig. 9 is a schematic view of a circulating wind direction of a heat exchange system of a charging and replacing power station according to another embodiment of the present invention. Referring to fig. 9, alternatively, when the target temperature data of the non-charging area is less than or equal to the actual temperature data of the non-charging area, the obtained inner circulation control signal controls the inner circulation adjustment module to be turned off, and the obtained outer circulation control signal controls the outer circulation adjustment module to be turned on. At the moment, because the actual temperature of the non-charging area is high, the internal circulation air is not required to provide heat for the non-charging area, only the external circulation adjusting module is started, and correspondingly, the cooling air passing through the charging cabinet is only formed by external circulation return air.
The embodiment of the invention also provides a charging and replacing power station. The charging and replacing power station comprises the charging and replacing power station heat exchange system provided by any embodiment of the invention, and the control method of the charging and replacing power station heat exchange system provided by any embodiment of the invention has corresponding beneficial effects.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A charging and swapping station heat exchange system, comprising: a charging region and a non-charging region;
the charging module is positioned in the charging area; the charging module comprises at least two charging cabinets, and each charging cabinet comprises at least two chargers;
at least two cyclic power sources located in the charging zone; one circulating power source correspondingly cools at least one charger; the circulating power source is used for providing total circulating wind in the charging area; part of the total circulating wind enters the non-charging area to form internal circulating wind, and the internal circulating wind provides heat for the non-charging area; part of the total circulating air enters an atmospheric environment outside the charging and replacing power station to form external circulating air;
the internal circulation adjusting module is used for adjusting the wind speed of the internal circulation wind;
the external circulation adjusting module is used for adjusting the wind speed of the external circulation wind;
the heat exchange control module is electrically connected with the circulating power source, the inner circulation adjusting module and the outer circulation adjusting module respectively; the heat exchange control module is used for controlling the starting number and/or the wind speed of the circulating power source; and controlling the working states of the internal circulation adjusting module and the external circulation adjusting module.
2. The charging station heat exchange system as recited in claim 1, further comprising:
the charging area temperature detection module is positioned in the charging area; the charging area temperature detection module is electrically connected with the heat exchange control module; the charging area temperature detection module is used for detecting the temperature of the charging area;
the non-charging area temperature detection module is positioned in the non-charging area; the non-charging area temperature detection module is electrically connected with the heat exchange control module; the non-charging area temperature detection module is used for detecting the temperature of the non-charging area.
3. The charging station heat exchange system according to claim 1, wherein at least two charging cabinets are arranged centrally in one area of the charging zone; or the charging cabinets are distributed in at least two areas of the charging area.
4. The heat exchange system for the charging and replacing power station as claimed in claim 1, wherein the internal circulation adjusting module comprises an internal circulation air outlet and an internal circulation adjuster; the internal circulation regulator is arranged at the internal circulation air outlet;
the external circulation adjusting module comprises an external circulation air outlet and an external circulation adjuster; wherein, the extrinsic cycle regulator sets up in extrinsic cycle air outlet.
5. The charging station heat exchange system of claim 4, wherein the internal circulation regulator comprises: fans, hinge dampers or proportional valves;
the external circulation regulator includes: fans, hinge blast valves or proportional valves.
6. The charging and swapping station heat exchange system of claim 1, wherein the internal circulation conditioning module further comprises an internal circulation duct extending from the charging zone to the non-charging zone, the internal circulation duct being configured to deliver the internal circulation duct to a designated location of the non-charging zone.
7. A control method of a charging station heat exchange system according to any one of claims 1 to 6, comprising:
acquiring target temperature data of a charging area, actual temperature data of the charging area, target temperature data of a non-charging area and actual temperature data of the non-charging area;
obtaining wind speed data of total circulating wind required by a charging module according to the charging area target temperature data and the charging area actual temperature data;
obtaining a circulating power source control signal according to the wind speed data of the total circulating wind; wherein the circulating power source control signal is used for controlling the opening number and the wind speed of the circulating power source;
obtaining an inner circulation control signal and an outer circulation control signal according to the wind speed data of the total circulating wind, the target temperature data of the non-charging area and the actual temperature data of the non-charging area; the internal circulation control signal is used for controlling the working state of the internal circulation adjusting module; the outer circulation control signal is used for controlling the working state of the outer circulation adjusting module.
8. The control method of the heat exchange system of the charging and replacing power station as claimed in claim 7, wherein obtaining an inner circulation control signal and an outer circulation control signal according to the wind speed data of the total circulating wind, the target temperature data of the non-charging area and the actual temperature data of the non-charging area comprises:
obtaining wind speed data of internal circulation wind according to the difference value of the target temperature data of the non-charging area and the actual temperature data of the non-charging area;
obtaining wind speed data of external circulating wind according to the difference value of the wind speed data of the total circulating wind and the wind speed data of the internal circulating wind;
obtaining the internal circulation control signal according to the wind speed data of the internal circulation wind; and obtaining the outer circulation control signal according to the wind speed data of the outer circulation wind.
9. The control method of the heat exchange system of the charging and replacing power station as claimed in claim 8, wherein the internal circulation control signal is obtained according to the wind speed data of the internal circulation wind; obtaining the outer circulation control signal according to the wind speed data of the outer circulation wind, wherein the method comprises the following steps:
when the target temperature data of the non-charging area is larger than the actual temperature data of the non-charging area and the wind speed data of the total circulating wind is smaller than or equal to the wind speed data of the inner circulating wind, the obtained inner circulating control signal controls the inner circulating adjusting module to be opened, and the obtained outer circulating control signal controls the outer circulating adjusting module to be closed, so that the total circulating wind completely enters the non-charging area;
when the target temperature data of the non-charging area is larger than the actual temperature data of the non-charging area and the wind speed data of the total circulating wind is larger than the wind speed data of the internal circulating wind, the obtained internal circulating control signal controls the internal circulating regulation module to be opened; the obtained outer circulation control signal controls the outer circulation adjusting module to be opened;
and when the target temperature data of the non-charging area is less than or equal to the actual temperature data of the non-charging area, the obtained inner circulation control signal controls the inner circulation adjusting module to be closed, and the obtained outer circulation control signal controls the outer circulation adjusting module to be opened.
10. A charging and swapping station comprising a charging and swapping station heat exchange system as claimed in any one of claims 1-6.
CN202010818583.4A 2020-08-14 2020-08-14 Heat exchange system of charging and exchanging station, control method of heat exchange system and charging and exchanging station Pending CN111998429A (en)

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Application publication date: 20201127