CN213602417U - Load grading management controller - Google Patents

Load grading management controller Download PDF

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Publication number
CN213602417U
CN213602417U CN202022193040.6U CN202022193040U CN213602417U CN 213602417 U CN213602417 U CN 213602417U CN 202022193040 U CN202022193040 U CN 202022193040U CN 213602417 U CN213602417 U CN 213602417U
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housing
management controller
power supply
load
relays
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CN202022193040.6U
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李胜祥
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Huatong Yuanhang (Beijing) New Energy Equipment Co.,Ltd.
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Huatong Voyage Beijing Science And Technology Development Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving

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Abstract

The application relates to a load grading management controller which is electrically connected to a photovoltaic power supply system and used for grading control of a plurality of loads in the photovoltaic power supply system, and the load grading management controller comprises a housing, a logic circuit board and a plurality of relays; the logic circuit board and the relays are arranged in the housing; the logic circuit board is integrated with a detection control circuit; the relays correspond to the loads one by one; the input end of each relay is electrically connected with the control output end of the detection control circuit, and the output end of each relay is respectively suitable for electrically connecting corresponding loads so that each relay is opened or closed under the control of the detection control circuit; the relays are sequentially arranged at the bottom end of the housing, and the wiring terminals of the relays are positioned at the bottom of the housing; the top of housing is provided with a plurality of fin, and a plurality of fin interval are arranged in proper order to vertical installation is on the top of housing. The stability of the photovoltaic power supply system can be effectively improved, and the grading management control of a plurality of accessed loads is realized.

Description

Load grading management controller
Technical Field
The application relates to the technical field of photovoltaic controller accessories, in particular to a load grading management controller.
Background
Electric energy is used as an essential energy demand in life of people, and due to the fact that resources such as petroleum and coal are limited, new energy is more and more favored, especially photovoltaic power generation. In the related art, a photovoltaic power generation principle is adopted, electric energy generated by a photovoltaic battery pack is converted from direct current to alternating current through an inverter, and then the converted alternating current is merged into a power grid to realize the effect of solar power generation. When the photovoltaic power supply system is used for supplying power to the load, a plurality of loads incorporated into the photovoltaic power supply system can be provided, and the power supply modes of the plurality of loads can be adjusted correspondingly through the control of the load management controller arranged in the photovoltaic power supply system. However, when the existing load controller performs power supply control of a plurality of loads, forced power failure often occurs due to poor heat dissipation performance, so that the stability of the photovoltaic power supply system is poor.
Disclosure of Invention
In view of this, the present application provides a load hierarchical management controller, which can effectively improve the stability of a photovoltaic power supply system, and implement hierarchical management control on a plurality of loads entering the photovoltaic power supply system.
According to one aspect of the application, a load grading management controller is provided, which is electrically connected to a photovoltaic power supply system and is used for grading control of a plurality of loads accessed to the photovoltaic power supply system, and comprises a housing, a logic circuit board and a plurality of relays;
the logic circuit board and the relays are arranged in the housing;
a detection control circuit is integrated on the logic circuit board;
the relays correspond to the loads one by one;
the input end of each relay is electrically connected with the control output end of the detection control circuit, and the output end of each relay is respectively suitable for being electrically connected with the corresponding load, so that each relay is opened or closed under the control of the detection control circuit;
the relays are sequentially arranged at the bottom end of the housing, and wiring terminals of the relays are positioned at the bottom of the housing;
the top end of the housing is provided with a plurality of radiating fins which are arranged at intervals in sequence and are vertically arranged at the top end of the housing.
In a possible implementation manner, a power supply circuit is further integrated on the logic circuit board;
the output end of the power supply circuit is electrically connected with the power input end of the detection control circuit and is used for providing driving voltage for the detection control circuit;
the input end of the power supply circuit is arranged at the bottom of the housing and is used for being electrically connected with a driving power supply and converting the voltage output by the driving power supply into the driving voltage required by the detection control circuit.
In a possible implementation manner, a communication module is further integrated on the logic circuit board, and a communication interface is arranged at the bottom end of the housing;
the communication module is electrically connected with the communication interface so as to enable the communication module to carry out data communication with an upper computer through the communication interface.
In one possible implementation, the communication interface is an RS485 interface.
In one possible implementation, the number of the relays is three.
In a possible implementation manner, a fixing frame is installed at the top of the housing;
one end of the radiating fin is fixedly connected with the top end of the housing, and the other end of the radiating fin is fixedly connected with the upper frame of the fixed frame;
the radiating fins are arranged in parallel with the side frames of the fixing frame.
In a possible implementation manner, the fixing frame is further provided with a back plate, and the back plate covers one surface of the fixing frame;
the fixing frame and the back plate form a box-shaped structure with an opening;
the back plate and the radiating fins are made of the same material.
In a possible implementation manner, the upper frame of the fixing frame and the bottom end of the housing are both fixedly provided with mounting lugs.
In a possible implementation manner, the material of the heat sink is aluminum alloy or copper.
In one possible implementation, the system further comprises a circuit breaker adapted to be electrically connected between the driving power supply and the power supply circuit;
the circuit breaker and the housing are of a split structure.
According to the load hierarchical management controller provided by the embodiment of the application, the logic circuit board integrated with the detection control circuit is arranged in the housing, and the detection control circuit integrated on the logic circuit board performs corresponding power-on and power-off control according to the detected voltage of each relay branch and the priority of the accessed load, so that the purpose of hierarchical management control of each accessed load is realized. Meanwhile, in the control process, the electronic components on the logic circuit board in the housing are subjected to real-time heat dissipation through the plurality of heat dissipation fins arranged on the top end of the housing, the condition of overhigh temperature in the working process of the controller is effectively prevented, the stability of the load grading management controller is ensured, and the stability of the photovoltaic power supply system is finally ensured.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic front view of a load classification management controller according to an embodiment of the present application;
fig. 2 is a schematic diagram illustrating an overall structure of a load classification management controller according to an embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.
First, it should be noted that the load hierarchical management controller 100 according to the embodiment of the present application is a controller 100 for electrically connecting to a photovoltaic power supply system and performing hierarchical management control on a plurality of loads in the photovoltaic power supply system. That is, by electrically connecting the load classification management controller 100 of the embodiment of the present application to the photovoltaic power supply system, the load classification management controller 100 performs classification control on a plurality of loads entering the photovoltaic power supply system, and performs corresponding power supply or power cut control based on the current power supply amount in the photovoltaic power supply system and the priority of each load that is accessed, so as to ensure the stability of the photovoltaic power supply system.
Fig. 1 shows a schematic front view of a load classification management controller 100 according to an embodiment of the present application. Fig. 2 is a schematic diagram illustrating an overall structure of the load classification management controller 100 according to an embodiment of the present application. As shown in fig. 1 and 2, the load classification management controller 100 includes: a housing 110, a logic board (not shown), and a plurality of relays.
Wherein, a logic circuit board and a plurality of relays are all installed in the housing 110, and a detection control circuit is integrated on the logic circuit board. It should be noted that, in the load classification management controller 100 according to the embodiment of the present application, the detection control circuit integrated on the logic circuit board is mainly used for detecting the voltage of each relay circuit and controlling the operation of each relay according to the detected voltage and the set voltage value of each relay. Such as: the communication module arranged on the logic circuit board is in data communication with the upper computer PC, and the upper computer control software can set the voltage value of each relay branch. And then the detection control circuit controls the action of the relay according to the currently detected voltage on each relay branch, so as to realize the management control of the load electrically connected with the relay. It can be understood by those skilled in the art that the detection control circuit can be implemented by a circuit existing in the field, and detailed description of a specific implementation manner of the detection control circuit is omitted here.
Meanwhile, in the load classification management controller 100 according to the embodiment of the present application, the number of the plurality of relays is consistent with the number of the loads currently connected to the photovoltaic power supply system, and the plurality of relays correspond to the plurality of connected loads one to one. The input end of each relay is electrically connected with the control output end of the detection control circuit, and the output end of each relay is respectively suitable for electrically connecting the corresponding load, so that when the detection control circuit controls the corresponding load to be powered off or continuously powered on, the relay of the load can be electrically connected through control, and the relay is switched off or switched on.
Further, it should be noted that, in the load classification management controller 100 of the embodiment of the present application, the relays are arranged in sequence at the bottom end of the housing 110, and the terminals of the relays are located at the bottom position of the housing 110. A plurality of heat dissipation fins 120 are disposed at the top end of the housing 110, and the plurality of heat dissipation fins 120 are sequentially arranged and vertically mounted on the housing 110.
Therefore, the load hierarchical management controller 100 according to the embodiment of the present application implements the hierarchical management control of each load entering the photovoltaic power supply system by providing the logic circuit board integrated with the detection control circuit in the housing 110, and performing the corresponding power on and off control by the detection control circuit integrated on the logic circuit board according to the detected voltage of each relay branch and the priority of the accessed load. Meanwhile, in the control process, the electronic components on the logic circuit board in the housing 110 are subjected to real-time heat dissipation through the plurality of heat dissipation fins 120 arranged on the top end of the housing 110, so that the condition of overhigh temperature in the working process of the controller 100 is effectively prevented, the stability of the load hierarchical management controller 100 is ensured, and the stability of a photovoltaic power supply system is finally ensured.
Further, in the load classification management controller 100 according to the embodiment of the present application, a power supply circuit is further integrated on the logic circuit board. The output end of the power supply circuit is electrically connected to the power input end of the detection control circuit, and the input end of the power supply circuit is disposed at the bottom of the housing 110 for electrically connecting to the driving power supply and converting the voltage output by the driving power supply into the driving voltage required by the detection control circuit.
Here, it should be noted that the driving power source electrically connected to the input terminal of the power supply circuit is a storage battery. Meanwhile, in the load classification management controller 100 according to the embodiment of the present application, the power supply circuit may also be implemented by a conventional power supply circuit in the field, and therefore, no further description is given here.
In addition, in a possible implementation, a communication module is integrated on the logic circuit board. Correspondingly, a communication interface is arranged at the bottom end of the housing 110, and the communication module is electrically connected with the communication interface, so that the communication module can perform data communication with an upper computer through the communication interface. Wherein, the communication interface can be an RS485 interface.
Specifically, the number of the relays may be three. As shown in fig. 1, the connection terminals of the three relays and the connection terminals of the power supply circuit may be arranged on the housing 110 in the manner shown in fig. 1. See table 1 for a functional description of each terminal.
TABLE 1
Figure DEST_PATH_GDA0002959147150000061
It should be noted that, in the load classification management controller 100 according to the embodiment of the present application, a plurality of indicator lights are further provided in the housing 110. The plurality of indicator lamps respectively correspond to the power connection terminal, the relay 1, the relay 2 and the relay 3, so that an operator can determine the current working state of the controller 100 according to the states of the indicator lamps.
Further, in the load hierarchical management controller 100 according to the embodiment of the present application, a fixing frame 130 is further installed on the top of the housing 110. One end of the heat sink 120 is fixedly connected to the top end of the housing 110, and the other end of the heat sink 120 is fixedly connected to the upper frame 131 of the fixing frame 130. Meanwhile, the heat sink 120 is disposed in parallel with the side frame 132 of the fixing frame 130.
That is, the heat sink 120 of the load hierarchical management controller 100 of the embodiment of the present application may realize a stable disposition on the top end of the housing 110 by the fixing frame 130.
The shape of the fixing frame 130 may be a rectangular shape as shown in fig. 1 and 2, or may be other shapes as long as the fixing frame can be matched with the housing 110. Meanwhile, the fixing frame 130 may be made of the same material as the heat sink 120. Such as: the fixing frame 130 and the heat sink 120 may be made of aluminum alloy or copper.
And, the side frame 132 of the fixing frame 130 is narrow at the top and wide at the bottom, so that the side frame 132 of the fixing frame 130 is partially wrapped on the outer side wall of the housing 110. The side frame 132 of the fixing frame 130 and the outer side wall of the housing 110 may be fixedly connected by various fixing methods such as welding, screwing and the like, and are not limited herein.
In addition, in a possible implementation manner, the fixing frame 130 is further provided with a back plate 140, and the back plate 140 covers one surface of the fixing frame 130, so that the fixing frame 130 and the back plate 140 form a box-shaped structure with an opening. The back plate 140 is covered on one surface of the fixing frame 130, so that when the controller 100 is installed on the chassis, the installation structure between the controller 100 and the chassis is more stable through the installation hole formed in the back plate 140, and the attachment degree between the controller 100 and the chassis is effectively enhanced, so that the controller 100 can be completely attached to the back plate 140 of the chassis for fixed installation.
Meanwhile, in the load hierarchical management controller 100 according to the embodiment of the present application, the upper frame 131 of the fixing frame 130 and the bottom end of the housing 110 are both fixedly provided with the mounting ears 150. Specifically, referring to fig. 1 and 2, the upper frame 131 of the fixing frame 130 is provided with two mounting ears 150. Correspondingly, two mounting lugs 150 are also arranged at the bottom end of the housing 110, so that the four mounting lugs 150 are respectively located at four corners of the load classification management controller 100 according to the embodiment of the present application, and a four-corner rectangular structure is formed.
In addition, it should be noted that, in a possible implementation, a circuit breaker adapted to be electrically connected between the driving power source and the power supply circuit is further included. The circuit breaker and the housing 110 are of a split structure.
In order to more clearly describe the load classification management controller 100 of the embodiment of the present application, the installation and use steps of the load classification management controller 100 of the embodiment of the present application are described in detail below.
First, the load classification management controller 100 is fixedly mounted to the chassis back panel 140 through the mounting ears 150 using 4 self-tapping screws. The battery power supply is then connected to a small dc breaker with a cable (red + black-) above 22-14 AWG. Then, with the circuit breaker in the off state, the power is connected from the circuit breaker lower port to Bat + Bat- (red + black-) (i.e., the input terminal of the power supply circuit) of the load classification management smart controller 100 with a 22-14AWG cable.
The three-way relay output is then connected to the device to be controlled (i.e., the load) using a cable. And then the cable is used for connecting RS485 communication to PC control software. The RS485 of the intelligent controller 100 for load hierarchical management is connected and communicated with the RS485 of the software of the PC controller 100, so that the relay action of the intelligent controller 100 for load hierarchical management can be realized. The PC control software can be directly realized by adopting the existing control software.
And after all the connections are checked again, closing the circuit breaker to electrify the intelligent load hierarchical management controller 100 and observing the change of the indicator lights. After the controller 100 is powered on, the PC control software connected through communication can read the operation data of the intelligent controller 100 for load classification management to see whether the operation data is correct or not.
It should be noted that, although the load classification management controller 100 as described above is described by taking fig. 1 and fig. 2 as an example, those skilled in the art will understand that the present application should not be limited thereto. In fact, the user can flexibly set the structure of each component in the load hierarchical management controller 100 according to personal preference and/or practical application scenarios, as long as the functions of hierarchical control of the load and real-time heat dissipation can be achieved.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the techniques in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. The load hierarchical management controller is electrically connected to a photovoltaic power supply system and is used for hierarchically controlling a plurality of loads accessed to the photovoltaic power supply system, and comprises a housing, a logic circuit board and a plurality of relays;
the logic circuit board and the relays are arranged in the housing;
a detection control circuit is integrated on the logic circuit board;
the relays correspond to the loads one by one;
the input end of each relay is electrically connected with the control output end of the detection control circuit, and the output end of each relay is respectively suitable for being electrically connected with the corresponding load, so that each relay is opened or closed under the control of the detection control circuit;
the relays are sequentially arranged at the bottom end of the housing, and wiring terminals of the relays are positioned at the bottom of the housing;
the top end of the housing is provided with a plurality of radiating fins which are arranged at intervals in sequence and are vertically arranged at the top end of the housing.
2. The load classification management controller according to claim 1, wherein the logic circuit board further integrates a power supply circuit;
the output end of the power supply circuit is electrically connected with the power input end of the detection control circuit and is used for providing driving voltage for the detection control circuit;
the input end of the power supply circuit is arranged at the bottom of the housing and is used for being electrically connected with a driving power supply and converting the voltage output by the driving power supply into the driving voltage required by the detection control circuit.
3. The load classification management controller according to claim 1, wherein a communication module is further integrated on the logic circuit board, and a communication interface is arranged at the bottom end of the housing;
the communication module is electrically connected with the communication interface so as to enable the communication module to carry out data communication with an upper computer through the communication interface.
4. The load classification management controller according to claim 3, characterized in that the communication interface is an RS485 interface.
5. The load classification management controller according to any one of claims 1 to 4, characterized in that the number of the relays is three.
6. The load grading management controller according to any of claims 1 to 4, wherein a fixed frame is mounted on top of the housing;
one end of the radiating fin is fixedly connected with the top end of the housing, and the other end of the radiating fin is fixedly connected with the upper frame of the fixed frame;
the radiating fins are arranged in parallel with the side frames of the fixing frame.
7. The load grading management controller according to claim 6, wherein said fixed frame is further provided with a back plate covering one side of said fixed frame;
the fixing frame and the back plate form a box-shaped structure with an opening;
the back plate and the radiating fins are made of the same material.
8. The load grading management controller according to claim 6, wherein the upper rim of the fixing frame and the bottom end of the housing are both fixedly provided with mounting lugs.
9. The load grading management controller according to claim 1, wherein the heat sink is made of aluminum alloy or copper.
10. The load classification management controller according to claim 2, further comprising a circuit breaker adapted to be electrically connected between the driving power source and the power supply circuit;
the circuit breaker and the housing are of a split structure.
CN202022193040.6U 2020-09-29 2020-09-29 Load grading management controller Active CN213602417U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022193040.6U CN213602417U (en) 2020-09-29 2020-09-29 Load grading management controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022193040.6U CN213602417U (en) 2020-09-29 2020-09-29 Load grading management controller

Publications (1)

Publication Number Publication Date
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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Address after: 30A, No.17, huanke Middle Road, Jinqiao Science and technology industrial base, Tongzhou Park, Zhongguancun Science and Technology Park, Tongzhou District, Beijing

Patentee after: Huatong Yuanhang (Beijing) New Energy Equipment Co.,Ltd.

Country or region after: Zhong Guo

Address before: 30A, No.17, huanke Middle Road, Jinqiao Science and technology industrial base, Tongzhou Park, Zhongguancun Science and Technology Park, Tongzhou District, Beijing

Patentee before: HUATONG VOYAGE (BEIJING) SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd.

Country or region before: Zhong Guo