CN220730694U - Temperature control system and energy storage all-in-one machine - Google Patents

Temperature control system and energy storage all-in-one machine Download PDF

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Publication number
CN220730694U
CN220730694U CN202321727789.1U CN202321727789U CN220730694U CN 220730694 U CN220730694 U CN 220730694U CN 202321727789 U CN202321727789 U CN 202321727789U CN 220730694 U CN220730694 U CN 220730694U
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temperature
outdoor
transformer
fan
outdoor room
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CN202321727789.1U
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吴龙腾
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Sungrow Energy Storage Technology Co Ltd
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Sungrow Energy Storage Technology Co Ltd
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Abstract

The application discloses temperature control system and energy storage all-in-one belongs to distribution equipment technical field. The temperature control system comprises: the outdoor room fan, the control loop of outdoor room fan is equipped with parallelly connected two at least temperature detect switch, outdoor room fan is used for driving the air current in the outdoor room and flows, and two at least temperature detect switch is used for respectively based on the temperature control in outdoor room open and close of outdoor room fan. According to the system, the control loop of the outdoor room fan is provided with two or more temperature control switches which are connected in parallel, so that the start and stop of the outdoor room fan are controlled, the phenomenon that hot air circulates in an outdoor room and cannot be discharged can be avoided, and the temperature rise of a transformer or other electrical appliances in the outdoor room is effectively prevented.

Description

Temperature control system and energy storage all-in-one machine
Technical Field
The application belongs to the technical field of power distribution equipment, and particularly relates to a temperature control system and an energy storage all-in-one machine.
Background
An integrated machine of an energy storage converter (Power Conversion System, PCS) is an integrated device that integrates the energy storage converter and a medium voltage transformer device to a high degree. Some all-in-one machines are integrated with indoor rooms for placing transformers, the indoor rooms are limited in size, and cooling and temperature control of the indoor rooms have great influence on operation of the transformers.
At present, most manufacturers are designed according to the experience of the power industry, and outdoor house cooling and indoor house cooling are independently controlled and are not affiliated to each other. When the temperature control switch of the outdoor house is abnormal, the outdoor house fan can not be turned on, at the moment, the transformer body fan is turned on, the outdoor house fan is turned off, hot air can circulate in the house and can not be discharged, the temperature of the transformer is raised, and frequent alarming, tripping and even burning of the transformer occur.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a temperature control system and energy storage all-in-one, can avoid hot-blast circulation in the room, can not the exhaust phenomenon, guarantees the normal operating of transformer.
In a first aspect, the present application provides a temperature control system comprising:
the outdoor room fan, the control loop of outdoor room fan is equipped with parallelly connected two at least temperature detect switch, outdoor room fan is used for driving the air current in the outdoor room and flows, and two at least temperature detect switch is used for respectively based on the temperature control in outdoor room open and close of outdoor room fan.
According to the temperature control system, two or more than two temperature control switches are connected in parallel through the control loop of the outdoor room fan, the outdoor room fan of the outdoor room is controlled to be started and stopped, any one of the temperature control switches on the control loop of the outdoor room fan is controlled to be closed, the outdoor room fan is controlled to be opened, the air flow in the outdoor room is driven to flow, the reliability of temperature control of the temperature control system is improved, the phenomenon that hot air circulates in the outdoor room and cannot be discharged is avoided, and the temperature rise of a transformer or other electrical appliances in the outdoor room is effectively prevented.
According to one embodiment of the present application, further comprising:
the temperature controller is electrically connected with the outdoor house fan, the outdoor house is used for placing a transformer, and the temperature controller is used for controlling the start and stop of the outdoor house fan based on the temperature of the transformer.
According to one embodiment of the present application, further comprising: the first temperature sensor is used for detecting the temperature of the outdoor house, and the first temperature sensor is electrically connected with the temperature controller and the at least two temperature control switches.
According to one embodiment of the present application, further comprising: the temperature controller is electrically connected with the transformer fan and is used for controlling the start and stop of the transformer fan based on the temperature of the transformer.
According to one embodiment of the present application, further comprising: and the second temperature sensor is used for detecting the temperature of the transformer and is electrically connected with the temperature controller.
According to one embodiment of the present application, further comprising:
the contactor is connected between the outdoor room fan and the at least two temperature control switches, and the contactor is used for switching off or switching on a control loop of the outdoor room fan.
According to one embodiment of the present application, the transformer is a dry-type transformer.
In a second aspect, the present application provides an energy storage all-in-one machine, comprising:
an outdoor room comprising a temperature control system as described in the first aspect above;
the energy storage converter and the transformer are positioned in the outdoor house. According to the energy storage all-in-one of this application, through the control loop at outdoor room fan sets up parallelly connected two or more temperature detect switch, the open of the outdoor room fan in outdoor room of control, any temperature detect switch is closed on the control loop of outdoor room fan, the outdoor room fan of control opens, the air current in the outdoor room of drive flows, improve temperature control system temperature control's reliability, avoid appearing hot-blast at outdoor room internal circulation, unable exhaust phenomenon, effectively prevent the temperature rise of transformer or other electrical apparatus in the outdoor room.
According to one embodiment of the application, the outdoor house is used for placing a transformer, which is a dry-type transformer.
According to an embodiment of the application, the outdoor house is provided with a first air inlet and a first air outlet, and the first air inlet and the first air outlet are distributed diagonally.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:
FIG. 1 is one of the circuit schematic diagrams of the temperature control system provided in the embodiments of the present application;
FIG. 2 is a second schematic circuit diagram of the temperature control system according to the embodiment of the present application.
Reference numerals:
outdoor house fan 110, temperature control switch 120, contactor 130, transformer fan 210, temperature controller 220.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
A temperature control system according to an embodiment of the present application is described below with reference to fig. 1 and 2.
The temperature control system comprises an outdoor fan 110, wherein the outdoor fan 110 is used for driving airflow in an outdoor room to flow.
In this embodiment, the outdoor house may be used for placing transformers, and the outdoor house may also be used for placing other electrical devices.
In some embodiments, the transformer may be a dry transformer.
The dry-type transformer (dry-type transformer) is a transformer with an iron core and windings not immersed in insulating oil, and has the characteristics of small size, high reliability, no maintenance, high fire-proof level, high safety and the like, and is widely applied to energy storage integrated machines.
In actual implementation, the number of the outdoor room fans 110 arranged in the outdoor room can be multiple, so that the airflow flowing effect in the outdoor room can be enhanced, and hot air in the outdoor room can be blown out rapidly.
As shown in fig. 1, the control loop of the outdoor fan 110 is provided with two temperature control switches 120 connected in parallel, and the two temperature control switches 120 are respectively used for controlling the start and stop of the outdoor fan 110 based on the temperature of the outdoor room.
It should be noted that, in this embodiment, only the embodiment in which the number of temperature control switches is two as shown in fig. 1 is described as an example, and the number of temperature control switches is not particularly limited.
When the transformer is cooled and temperature-controlled, generated hot air can circulate in an outdoor room, the temperature control switch 120 controls the start and stop of the outdoor room fan 110 based on the temperature of the outdoor room, hot air in the outdoor room can be timely discharged, the temperature rise of the transformer is effectively prevented, the conditions of frequent alarm, tripping, burning and the like are avoided, and the use experience of a user is effectively improved.
In actual implementation, a start-stop temperature threshold may be set for the temperature control switch 120, and when the temperature of the outdoor room reaches a first temperature threshold for starting the outdoor room fan 110, the temperature control switch 120 is closed to control the outdoor room fan 110 to be started; when the temperature of the outdoor room is reduced to the second temperature threshold value at which the outdoor room fan 110 is turned off, the temperature control switch 120 is turned off, and the outdoor room fan 110 is controlled to be stopped.
In this embodiment, the control loop of the outdoor fan 110 is provided with two or more temperature control switches 120 connected in parallel, so that the redundancy of the switches is increased, when any one of the temperature control switches 120 on the control loop of the outdoor fan 110 is closed, the outdoor fan 110 can be controlled to be opened, the air flow in the outdoor is driven to flow, the reliability of temperature control of the temperature control system is improved, and the phenomenon that hot air circulates in the outdoor and cannot be discharged is avoided.
According to the temperature control system provided by the embodiment of the application, two or more than two temperature control switches 120 are arranged in parallel in the control loop of the outdoor room fan 110, the outdoor room fan 110 of the outdoor room is controlled to start and stop, any one of the temperature control switches 120 on the control loop of the outdoor room fan 110 is closed, the outdoor room fan 110 is controlled to start, the air flow in the outdoor room is driven to flow, the reliability of temperature control of the temperature control system is improved, the phenomenon that hot air circulates in the outdoor room and cannot be discharged is avoided, and the temperature rise of a transformer or other electrical appliances in the outdoor room is effectively prevented.
In some embodiments, the temperature control system may also include a temperature controller 220.
The temperature controller 220 is a control device capable of realizing intelligent control of temperature, and executing actions such as alarm, tripping, signal uploading and the like.
In this embodiment, the temperature controller 220 is electrically connected to the outdoor unit 110, and the temperature controller 220 is used to control the start and stop of the outdoor unit 110 based on the temperature of the transformer.
In actual implementation, the temperature controller 220 monitors the temperature of the transformer in real time, and when the temperature of the transformer is higher, controls the outdoor fan 110 to be turned on; when the temperature of the transformer is low, the outdoor house fan 110 is controlled to stop.
In this embodiment, the temperature controller 220 is coupled with the parallel temperature control switch 120 disposed on the control loop of the outdoor room fan 110, so as to jointly control the start and stop of the outdoor room fan 110, effectively improve the reliability of temperature control of the temperature control system, avoid the phenomenon that hot air circulates in the outdoor room and cannot be discharged, and effectively prevent the temperature rise of the transformer.
It should be noted that, the loop of the temperature controller 220 for controlling the start and stop of the outdoor fan 110 is connected in parallel with the control loop of the outdoor fan 110 provided with the parallel temperature control switch 120.
As shown in fig. 1, two temperature control switches 120 connected in parallel are connected from one node of the live wire (L), the two temperature control switches 120 connected in parallel are connected to the outdoor fan 110, and then connected from one node of the outdoor fan 110 back to the zero line (N), so as to form a control loop of the outdoor fan 110.
The temperature controller 220 is connected from the other node of the live wire (L), the temperature controller 220 is connected with the outdoor fan 110, and then the zero line (N) is connected from the temperature controller 220, so that a parallel connection relationship is formed between the temperature controller 220 and a control loop of the outdoor fan 110.
In this embodiment, the temperature controller 220 and the temperature control switch 120 are coupled to start and stop of the outdoor fan 110, so as to jointly control start and stop of the outdoor fan 110, and effectively improve reliability of temperature control of the temperature control system.
In some embodiments, the temperature control system further comprises a first temperature sensor for detecting the temperature of the outdoor room, the first temperature sensor being electrically connected to the temperature controller 220 and the at least two temperature controlled switches 120.
In this embodiment, the first temperature sensor senses the temperature in the outdoor room and converts the sensed temperature into at least two temperature controlled switches 120 on the control loop of the outdoor room fan 110 and the temperature controller 220, so that the temperature controller 220 and the at least two temperature controlled switches 120 control the start and stop of the outdoor room fan 110 according to the temperature in the outdoor room.
In practical implementation, the outdoor room may be provided with a plurality of first temperature sensors, where the plurality of first temperature sensors are uniformly arranged at different positions of the outdoor room, and the plurality of first temperature sensors are electrically connected with the temperature controller 220 and at least two temperature control switches 120.
The temperature controller 220 and the at least two temperature control switches 120 can control the start and stop of the outdoor fan 110 according to the temperature signals of the plurality of first temperature sensors; the temperature controller 220 and the at least two temperature control switches 120 may also control the start and stop of the outdoor fan 110 according to the average value of the temperature signals of the plurality of first temperature sensors.
For example, the outdoor house may be provided with four first temperature sensors, and the temperature controller 220 and the at least two temperature control switches 120 may control the outdoor house fan 110 to be turned on according to the temperature signal of any one of the four first temperature sensors reaching a preset threshold.
The temperature controller 220 and the at least two temperature control switches 120 may calculate an average value of the temperature signals according to the temperature signals of the four first temperature sensors, and when the average value reaches a preset threshold value, control the outdoor fan 110 to be turned on.
In some embodiments, the temperature control system may further include a transformer fan 210, and the temperature controller 220 is electrically connected to the transformer fan 210, where the temperature controller 220 is configured to control start and stop of the transformer fan 210 based on a temperature of the transformer.
In this embodiment, a transformer fan 210 may be disposed at a bottom or top of the transformer, and the transformer fan 210 is used to drive airflow to flow, so as to cool and dissipate heat of the transformer.
When the temperature of the transformer is higher, the temperature controller 220 may control the transformer fan 210 to be turned on, the temperature of the transformer is reduced through airflow, and when the temperature of the transformer is reduced to a preset threshold, the temperature controller 220 may control the transformer fan 210 to be stopped, so as to maintain the temperature of the transformer.
In practical implementation, the number of the transformer fans 210 arranged on the transformer can be multiple, so that the airflow flowing effect on the surface of the transformer can be enhanced, the temperature of the transformer can be rapidly reduced, and the heat dissipation effect of the transformer can be ensured.
It can be understood that the temperature controller 220 can realize intelligent control of temperature, can control the temperature of the transformer within a certain range, ensure the normal operation of the transformer, and can upload the temperature signal of the transformer so as to facilitate the subsequent data analysis.
In some embodiments, the temperature control system may further include a second temperature sensor electrically connected to the temperature controller 220.
In this embodiment, the second temperature sensor senses the temperature of the transformer and converts the temperature into an output signal that is output to the temperature controller 220, so that the temperature controller 220 controls the start and stop of the transformer fan 210.
In actual implementation, the transformer may be provided with a plurality of second temperature sensors, where the plurality of second temperature sensors are uniformly arranged at different positions of the transformer, and the plurality of second temperature sensors are electrically connected to the temperature controller 220.
The temperature controller 220 may control the start and stop of the transformer fan 210 according to the temperature signals of the plurality of second temperature sensors; the temperature controller 220 may also control the start and stop of the transformer fan 210 according to an average value of the temperature signals of the plurality of second temperature sensors.
For example, the transformer may be provided with four second temperature sensors, and the temperature controller 220 may control the transformer fan 210 to be turned on according to the temperature signal of any one of the four second temperature sensors reaching a preset threshold.
The temperature controller 220 may calculate an average value of the temperature signals according to the temperature signals of the four second temperature sensors, and when the average value reaches a preset threshold value, then control the transformer fan 210 to be turned on.
In some embodiments, the temperature controller 220 may control the transformer fan 210 and the outdoor room fan 110 to be simultaneously turned on based on the temperature of the transformer, the transformer fan 210 dissipates heat of the transformer, the outdoor room fan 110 drives airflow in an outdoor room to flow, and timely discharges hot air, so that the phenomenon that the hot air circulates in the outdoor room and cannot be discharged is avoided, and the temperature of the transformer is rapidly reduced.
In some embodiments, as shown in fig. 2, the temperature control system may also include a contactor 130.
In this embodiment, the contactor 130 is connected between the outdoor unit 110 and at least two temperature-controlled switches 120, and the contactor 130 is used to turn off or on the control loop of the outdoor unit 110.
The contactor 130 is a device that can rapidly cut off the ac and dc main circuits and frequently turn on and off the high-current control circuit.
In this embodiment, a contactor 130 is disposed between the outdoor fan 110 and at least two temperature control switches 120, and the contactor 130 conducts the control loop of the outdoor fan 110, so as to assist the large current in the control loop to pass, and prevent the closing impact of the temperature control switches 120 from being too large.
The temperature control system of this application embodiment sets up two sets of temperature detection system in outdoor room and transformer, opens through temperature controller 220 and temperature detect switch 120 control two fans and stops, increases redundantly, improves system reliability, and temperature controller 220 and temperature detect switch 120 coupling, parallel control can avoid appearing hot-blast in outdoor room circulation, unable exhaust phenomenon, effectively prevents the temperature rise of transformer, avoids appearing frequent alarm, tripping operation, condition such as burn out, effectively improves user's use experience.
The embodiment of the application also provides an energy storage all-in-one machine.
This energy storage all-in-one includes: outdoor houses, energy storage converters and transformers.
The energy storage converter and the transformer are located in an outdoor house, and the outdoor house comprises the temperature control system.
The energy storage converter (Power Conversion System, PCS), also known as a bidirectional energy storage inverter, can be applied to an AC coupling energy storage system such as grid-connected energy storage and micro-grid energy storage, is connected between a storage battery pack and a power grid (or a load), and is a device for realizing bidirectional conversion of electric energy.
In some embodiments, the transformer may be a dry transformer.
The dry-type transformer (dry-type transformer) is a transformer with an iron core and windings not immersed in insulating oil, and has the characteristics of small size, high reliability, no maintenance, high fire-proof level, high safety and the like, and is widely applied to energy storage integrated machines.
According to the energy storage all-in-one that this application provided, through setting up parallelly connected two or more temperature control switch 120 at the control circuit of outdoor room fan 110, the start-stop of the outdoor room fan 110 of outdoor room is controlled, any temperature control switch 120 is closed on the control circuit of outdoor room fan 110, the outdoor room fan 110 is controlled to open, the air current in the outdoor room of drive flows, the reliability of temperature control system temperature control is improved, avoid appearing hot-blast in outdoor room circulation, unable exhaust phenomenon, effectively prevent the temperature rise of transformer or other electrical apparatus in the outdoor room.
In some embodiments, the outdoor room is provided with a first air inlet and a first air outlet, and the first air inlet and the first air outlet are diagonally distributed.
In this embodiment, the first air inlet and the first air outlet are diagonally distributed, and the outdoor room fan 110 may be disposed at the first air outlet or the first air inlet, so as to effectively enhance the airflow effect in the outdoor room, and quickly blow out the hot air in the outdoor room.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, "a first feature", "a second feature" may include one or more of the features.
In the description of the present application, the meaning of "plurality" is two or more.
In the description of this application, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact by another feature therebetween.
In the description of this application, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. A temperature control system, comprising:
the outdoor room fan is used for driving airflow in an outdoor room to flow, and the at least two temperature control switches are respectively used for controlling the start and stop of the outdoor room fan based on the temperature of the outdoor room;
the temperature controller is electrically connected with the outdoor house fan, the outdoor house is used for placing a transformer, and the temperature controller is used for controlling the start and stop of the outdoor house fan based on the temperature of the transformer;
the first temperature sensor is used for detecting the temperature of the outdoor house, and the first temperature sensor is electrically connected with the temperature controller and the at least two temperature control switches.
2. The temperature control system of claim 1, further comprising: the temperature controller is electrically connected with the transformer fan and is used for controlling the start and stop of the transformer fan based on the temperature of the transformer.
3. The temperature control system of claim 2, further comprising: and the second temperature sensor is used for detecting the temperature of the transformer and is electrically connected with the temperature controller.
4. The temperature control system of claim 1, further comprising:
the contactor is connected between the outdoor room fan and the at least two temperature control switches, and the contactor is used for switching off or switching on a control loop of the outdoor room fan.
5. The temperature control system of any one of claims 1-4, wherein the outdoor room is configured to house a transformer, and wherein the transformer is a dry-type transformer.
6. An energy storage all-in-one machine, which is characterized by comprising:
an outdoor room comprising the temperature control system of any one of claims 1-5;
the energy storage converter and the transformer are positioned in the outdoor house.
7. The energy storage all-in-one machine of claim 6, wherein the transformer is a dry transformer.
8. The energy storage all-in-one machine of claim 6 or 7, wherein the outdoor room is provided with a first air inlet and a first air outlet, and the first air inlet and the first air outlet are diagonally distributed.
CN202321727789.1U 2023-06-30 2023-06-30 Temperature control system and energy storage all-in-one machine Active CN220730694U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321727789.1U CN220730694U (en) 2023-06-30 2023-06-30 Temperature control system and energy storage all-in-one machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321727789.1U CN220730694U (en) 2023-06-30 2023-06-30 Temperature control system and energy storage all-in-one machine

Publications (1)

Publication Number Publication Date
CN220730694U true CN220730694U (en) 2024-04-05

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