CN211859667U - Charging controller suitable for plateau environment and photovoltaic power generation system - Google Patents
Charging controller suitable for plateau environment and photovoltaic power generation system Download PDFInfo
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- CN211859667U CN211859667U CN202020770188.9U CN202020770188U CN211859667U CN 211859667 U CN211859667 U CN 211859667U CN 202020770188 U CN202020770188 U CN 202020770188U CN 211859667 U CN211859667 U CN 211859667U
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Abstract
The application relates to the technical field of photovoltaic power generation, in particular to a charging controller and a photovoltaic power generation system suitable for a plateau environment. The charging controller suitable for the plateau environment is used for a photovoltaic power generation system and comprises a circuit board and a radiator; the circuit board with the radiator laminating is connected, the circuit board with still be provided with the insulating piece between the radiator, just the coverage of insulating piece is not less than the coverage of circuit board. The application provides a be suitable for plateau environment's charge controller can promote dielectric strength under adverse circumstances to the heat rapid conduction that the circuit board produced, has improved electric clearance and creepage distance between circuit board and the radiator, has avoided electrical short circuit trouble.
Description
Technical Field
The application relates to the technical field of photovoltaic power generation, in particular to a charging controller and a photovoltaic power generation system suitable for a plateau environment.
Background
Some photovoltaic power generation systems are mainly used for solving the power utilization requirement of areas without electricity or with unstable electricity. Generally, areas with no or unstable power are mainly distributed in remote, high plateau and mountain areas. The plateau environment has the characteristics of large day and night temperature difference, thin air, low air pressure, radiation enhancement and the like, and the charging controller applied to the environment requires stricter heat dissipation capacity, higher insulating strength and convenience in installation and maintenance.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a charging controller and a photovoltaic power generation system which are suitable for a plateau environment so as to be suitable for operation in severe environments of remote areas such as plateaus.
The application provides a charging controller suitable for a plateau environment, which is used for a photovoltaic power generation system and comprises a circuit board and a radiator;
the circuit board with the radiator laminating is connected, the circuit board with still be provided with the insulating piece between the radiator, just the coverage of insulating piece is not less than the coverage of circuit board.
In the above technical solution, further, a plurality of paths of buck converter circuits connected in parallel are disposed on the circuit board, and heating elements in the plurality of paths of buck converter circuits are disposed at intervals.
In the above technical solution, further, the insulating sheet is provided with a heat conduction window, and the heat conduction window is arranged corresponding to the heating element;
the heating element is pasted with a heat conduction silica gel sheet which is arranged at the position of the heat conduction window.
In the above technical solution, further, the power supply board is further included, and the power supply board is electrically connected with the circuit board;
the circuit board comprises a power board and a control board, the power board is attached to the radiator, and the control board is vertically connected with the power board;
the power panel is located on the inner side of the control panel and arranged at intervals with the control panel, and the power panel is connected with the control panel through bolts.
In the above technical solution, further, the power board is provided with a pin, the control board is provided with a slot, and the pin is inserted into the slot to electrically connect the power board and the control board; or
The power panel is provided with a slot, the control panel is provided with a contact pin, and the contact pin is inserted into the slot so that the power panel is electrically connected with the control panel.
In the above technical solution, further, the liquid crystal display further includes a liquid crystal panel;
the liquid crystal panel is electrically connected with the control panel through a flat cable, the control panel is provided with a socket, and a plug of the flat cable can be inserted into the socket.
In the above technical solution, further, the inductor further includes a plurality of inductors, the plurality of inductors are electrically connected to the circuit board through a connecting wire, and a connecting terminal of the connecting wire is connected to the circuit board by a bolt;
the radiator is provided with a plurality of mounting grooves, the quantity of the mounting grooves corresponds to the quantity of the inductors, and the inductors are mounted in the mounting grooves.
In the above technical solution, further, a plurality of connection lines of the inductor are respectively sleeved with identification sleeves of different colors.
In the above technical scheme, further, still include the fuse, the fuse with circuit board bolted connection.
The application also provides a photovoltaic power generation system, which comprises the charging controller suitable for the plateau environment.
Compared with the prior art, the beneficial effect of this application is:
the charging controller suitable for the plateau environment comprises a circuit board and a radiator; the circuit board is attached to the radiator to quickly conduct heat generated by the circuit board. Still be provided with the insulating piece between circuit board and the radiator, can promote dielectric strength under adverse circumstances, improved electric clearance and creepage distance between circuit board and the radiator, avoided electrical short circuit fault. And the coverage area of the insulating sheet is not less than that of the circuit board, so that the insulation reliability can be ensured.
The application also provides a photovoltaic power generation system, which comprises the charging controller suitable for the plateau environment. Based on the above analysis, the photovoltaic power generation system also has the above beneficial effects, which are not described herein again.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a charging controller suitable for a plateau environment provided in the present application;
FIG. 2 is a schematic structural diagram of a side of a circuit board facing a heat sink according to the present disclosure;
fig. 3 is a schematic structural diagram of an insulating sheet provided in the present application.
In the figure: 101-a circuit board; 102-a heat sink; 103-an insulating sheet; 104-a heating element; 105-a thermally conductive window; 106-power panel; 107-power board; 108-a control panel; 109-liquid crystal panel; 110-flat cable; 111-a socket; 112-mounting grooves; 113-a fuse; 114-mounting holes.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example one
Referring to fig. 1 to 3, the charging controller suitable for a plateau environment, specifically, a photovoltaic charging controller with power of 2K to 5K, provided by the present application, includes a circuit board 101 and a heat sink 102; the circuit board 101 is attached to the heat sink 102 to quickly conduct heat generated by the circuit board 101. An insulating sheet 103 is further arranged between the circuit board 101 and the radiator 102, so that the insulating strength can be improved under severe environment, the electric gap and the creepage distance between the circuit board 101 and the radiator 102 are increased, and the electric short circuit fault is avoided. And the coverage area of the insulation sheet 103 is not less than that of the circuit board 101, so that reliable insulation can be ensured.
In an alternative scheme of this embodiment, multiple paths of buck converter circuits connected in parallel are disposed on the circuit board 101, and the heating elements 104 in the multiple paths of buck converter circuits are disposed at intervals.
In the prior art, only one path of buck conversion circuit is arranged on the circuit board 101, so that heat generated by the heating element 104 is accumulated at one position, and the heat dissipation effect is poor. In this embodiment, a plurality of voltage-reducing conversion circuits connected in parallel are disposed on the circuit board 101, so as to shunt current, and the shunted current respectively passes through a plurality of heating elements 104 disposed at intervals, so that the generated heat can be distributed at each position of the heat sink 102, and then is rapidly conducted through the heat sink 102, so as to improve the heat dissipation efficiency of the heat sink 102.
Specifically, the heating element 104 is generally a MOS transistor, and as shown in fig. 2, the MOS transistors of the three-way BUCK circuit (BUCK converter circuit) are uniformly distributed on the circuit board 101, so that heat is uniformly distributed among the circuit board 101 and spread to the heat sink 102, heat distribution of the system is balanced, and heat dissipation efficiency is improved.
In an optional scheme of this embodiment, the insulating sheet 103 is provided with a heat conducting window 105, and the heat conducting window 105 is disposed corresponding to the heating element 104; the heating element 104 is adhered with a heat-conducting silica gel sheet, and the heat-conducting silica gel sheet is arranged at the heat-conducting window 105.
In this embodiment, generally, the insulating sheet 103 has a poor heat conducting property, and in order not to affect the heat dissipation effect of the heating element 104, a heat conducting window 105 is disposed at a position corresponding to the heating element 104, and a heat conducting silicone sheet is further disposed at the heat conducting window 105 to enhance the heat conducting effect to the heating element 104.
The heat-conducting silica gel sheet is a heat-conducting medium material synthesized by a special process, is also called a heat-conducting silica gel pad, a heat-conducting silica gel sheet, a soft heat-conducting pad, a heat-conducting silica gel gasket and the like in the industry, is specially produced by a design scheme of utilizing gaps to transfer heat, can fill the gaps, and can open a heat channel between a heating part and a radiating part to effectively improve the heat transfer efficiency.
In an optional scheme of this embodiment, the charging controller suitable for the plateau environment further includes a power board 106, and the power board 106 is electrically connected to the circuit board 101; the circuit board 101 comprises a power board 107 and a control board 108, the power board 107 is attached to the heat sink 102, and the control board 108 is vertically connected with the power board 107; the power panel 106 is located inside the control panel 108 and spaced apart from the control panel 108, and the power panel 106 is bolted to the control panel 108.
In this embodiment, the circuit board 101 includes a power board 107 and a control board 108 which are vertically connected, the number of heating elements 104 on the power board 107 is large, the heat dissipation requirement is large, and the power board 107 is attached to the heat sink 102; the control board 108 is mainly provided with a micro control unit, the heat dissipation capacity is small, and the whole occupied area of the circuit board 101 can be reduced by the standing control board 108, so that the space is saved. The power panel 106 is mounted at the control panel 108 and is connected with the control panel 108 through bolts, and the mounting mode facilitates assembly and replacement of all parts, so that the situation of difficulty in disassembly and assembly under an inconvenient condition is reduced.
In an alternative scheme of this embodiment, the power board 106 is provided with a pin, the control board 108 is provided with a slot, and the pin is inserted into the slot to electrically connect the power board 106 and the control board 108; or the power board 106 is provided with a slot, the control board 108 is provided with a pin, and the pin is inserted into the slot to electrically connect the power board 106 and the control board 108, and the two connection modes can be selected according to actual conditions.
In this embodiment, the power panel 106 is electrically connected with the control panel 108 through the pin slot, so that the assembly and replacement of each component are further facilitated, the replacement of the whole equipment during equipment maintenance or failure is avoided, only the corresponding functional module needs to be replaced, and the situation of difficulty in disassembly and assembly under an inconvenient condition is reduced.
In an optional solution of this embodiment, the charging controller suitable for the plateau environment further includes a liquid crystal panel 109; the liquid crystal panel 109 and the control board 108 are electrically connected by a flat cable 110, the control board 108 is provided with a socket 111, and a plug of the flat cable 110 can be inserted into the socket 111.
In this embodiment, the liquid crystal panel 109 and the control panel 108 are electrically connected by the flat cable 110, so that the assembly and replacement of each component are further facilitated, the replacement of the whole device during the maintenance or failure of the device is avoided, only the corresponding functional module needs to be replaced, and the situation that the disassembly and the assembly are difficult under the inconvenient condition is reduced.
Example two
The charging controller suitable for the plateau environment in the second embodiment is an improvement on the above embodiment, and the technical contents disclosed in the above embodiment are not described repeatedly, and the contents disclosed in the above embodiment also belong to the contents disclosed in the second embodiment.
In an optional scheme of this embodiment, the charging controller suitable for the plateau environment further includes a plurality of inductors, the plurality of inductors are electrically connected to the circuit board 101 through a connecting wire, and a connecting terminal of the connecting wire is connected to the circuit board 101 through a bolt; the heat sink 102 is provided with a plurality of mounting slots 112, and the number of the mounting slots 112 corresponds to the number of the inductors, which are mounted in the mounting slots 112.
In this embodiment, each of the buck-boost conversion circuits has at least one inductor, and the inductors are respectively inserted into the mounting grooves 112 on the heat sink 102, so that heat generated by the inductors is uniformly distributed to the heat sink 102, thereby improving heat dissipation efficiency. In order to facilitate the disassembly, assembly and replacement of the inductor and the power board 107, the wiring terminal of the connecting wire of the inductor is connected with the circuit board 101 through a bolt, so that the difficulty in disassembly and assembly under the inconvenient condition is reduced.
In an optional scheme of this embodiment, the connection lines of the plurality of inductors are respectively sleeved with identification sleeves of different colors.
In this embodiment, specifically, taking the three-way inductor as an example, the connecting terminals of the connecting wires of the three-way inductor can be respectively sleeved with red, white and black sleeves, so as to be convenient for distinguishing during screw installation, and accurately connect the connecting wires to the power board 107, thereby saving installation time.
In an optional scheme of this embodiment, the charging controller suitable for a high altitude environment further includes a fuse 113, and the fuse 113 is bolted to the circuit board 101.
In this embodiment, the liquid crystal panel 109, the power supply panel 106, the circuit board 101, the fuse 113 and the heat sink 102 of the charging controller suitable for the plateau environment form independent modules, and the modules are detachably connected and preferably fixed by screws; the modules are electrically connected by flat cables or flat pins, and can be quickly disassembled or assembled during product maintenance or repair, so that the modules are convenient to replace.
In an alternative of this embodiment, mounting holes 114 are provided on both sides of the heat sink 102 to facilitate fixing the heat sink 102.
EXAMPLE III
The third embodiment of the application provides a photovoltaic power generation system, which includes the charging controller suitable for the plateau environment of any one of the above embodiments, and therefore, all the beneficial technical effects of the charging controller suitable for the plateau environment of any one of the above embodiments are achieved, and the details are not repeated herein.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application. Moreover, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments.
Claims (10)
1. A charging controller suitable for a plateau environment is used for a photovoltaic power generation system and is characterized by comprising a circuit board and a radiator;
the circuit board with the radiator laminating is connected, the circuit board with still be provided with the insulating piece between the radiator, just the coverage of insulating piece is not less than the coverage of circuit board.
2. The plateau environment applicable charging controller according to claim 1, wherein a plurality of paths of buck converter circuits connected in parallel are arranged on the circuit board, and heating elements in the plurality of paths of buck converter circuits are arranged at intervals.
3. The plateau environment-applicable charge controller of claim 2, wherein the insulating sheet is provided with a heat conducting window, and the heat conducting window is arranged corresponding to the heating element;
the heating element is pasted with a heat conduction silica gel sheet which is arranged at the position of the heat conduction window.
4. The plateau environment applicable charge controller according to claim 1, further comprising a power board electrically connected to the circuit board;
the circuit board comprises a power board and a control board, the power board is attached to the radiator, and the control board is vertically connected with the power board;
the power panel is located on the inner side of the control panel and arranged at intervals with the control panel, and the power panel is connected with the control panel through bolts.
5. The plateau environment applicable charge controller according to claim 4, wherein the power board is provided with a pin, the control board is provided with a slot, and the pin is inserted into the slot to electrically connect the power board and the control board; or
The power panel is provided with a slot, the control panel is provided with a contact pin, and the contact pin is inserted into the slot so that the power panel is electrically connected with the control panel.
6. The plateau environment applicable charge controller of claim 4, further comprising a liquid crystal panel;
the liquid crystal panel is electrically connected with the control panel through a flat cable, the control panel is provided with a socket, and a plug of the flat cable can be inserted into the socket.
7. The plateau environment-applicable charging controller according to claim 1, further comprising a plurality of inductors, wherein the plurality of inductors are electrically connected to the circuit board through a connecting wire, and a connecting terminal of the connecting wire is bolted to the circuit board;
the radiator is provided with a plurality of mounting grooves, the quantity of the mounting grooves corresponds to the quantity of the inductors, and the inductors are mounted in the mounting grooves.
8. The plateau environment-suitable charge controller as claimed in claim 7, wherein the connecting wires of the plurality of inductors are respectively sleeved with identification sleeves of different colors.
9. The plateau environment-applicable charging controller according to claim 1, further comprising a fuse, wherein the fuse is bolted to the circuit board.
10. A photovoltaic power generation system, characterized by comprising the charging controller adapted to the plateau environment as recited in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770188.9U CN211859667U (en) | 2020-05-11 | 2020-05-11 | Charging controller suitable for plateau environment and photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770188.9U CN211859667U (en) | 2020-05-11 | 2020-05-11 | Charging controller suitable for plateau environment and photovoltaic power generation system |
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| Publication Number | Publication Date |
|---|---|
| CN211859667U true CN211859667U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020770188.9U Active CN211859667U (en) | 2020-05-11 | 2020-05-11 | Charging controller suitable for plateau environment and photovoltaic power generation system |
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| Country | Link |
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| CN (1) | CN211859667U (en) |
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