CN219417641U - Photovoltaic power plant direct current side monitoring devices - Google Patents
Photovoltaic power plant direct current side monitoring devices Download PDFInfo
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- CN219417641U CN219417641U CN202320118769.8U CN202320118769U CN219417641U CN 219417641 U CN219417641 U CN 219417641U CN 202320118769 U CN202320118769 U CN 202320118769U CN 219417641 U CN219417641 U CN 219417641U
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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
- 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
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Abstract
The utility model relates to the technical field of current monitoring, in particular to a photovoltaic power station direct current side monitoring device which comprises a device body, a shell and a heat dissipation assembly, wherein the heat dissipation assembly comprises a shutter, a chute, a fan mechanism, a water drain, a water pump and a water tank; the device body is used for direct current monitoring of power station, in the device use slides the fan mechanism and inserts the spout, through the inside blowing of shell that starts the fan to want the device, gaseous by the shutter outgoing again, make the shell have forced air cooling heat dissipation, in order to make the gas that blows into cooler, cooling water in with the water tank is drawn into cold row through the water pump, make gaseous entering cold row get into in the shell, gas temperature is lower, the component inside the device can give out a large amount of heats when having solved when using, provide the heat dissipation through the gap or the louvre of device self shell, the radiating efficiency is too low, cause the problem that the device is heated to damage.
Description
Technical Field
The utility model relates to the technical field of current monitoring, in particular to a photovoltaic power station direct current side monitoring device.
Background
With the continuous development of the photovoltaic inverter industry, the requirements of a plurality of load devices on the power capacity of the inverter are increasingly larger, the expandability of a single-module inverter is greatly limited, and the problem can be well solved by parallel operation of a plurality of inverters.
There is a photovoltaic power plant direct current side monitoring device (CN 205283491U) comprising a housing, at least one parallel monitoring unit comprising: and 2m diodes, wherein a diode is connected in series with an insulation monitoring lead-out wire connected with the positive electrode of m photovoltaic cell panels in the forward direction, a diode is connected in series with an insulation monitoring lead-out wire connected with the negative electrode of m photovoltaic cell panels in the reverse direction, all insulation monitoring lead-out wires connected with the positive electrodes of m photovoltaic cell panels are connected in parallel and then connected with one end of an insulation monitoring module, all insulation monitoring lead-out wires connected with the negative electrodes of m photovoltaic cell panels are connected in parallel and then connected with the other end of the insulation monitoring module, m is an integer and m is less than or equal to 2 and less than or equal to n, and the internal element of the device is protected by a shell.
However, when the device is used, a large amount of heat is emitted from the components inside the device, and the heat is radiated through the gaps or the radiating holes of the shell of the device, so that the heat radiation efficiency is low, and the device is damaged by heating.
Disclosure of Invention
The utility model aims to provide a photovoltaic power station direct current side monitoring device, which aims to solve the problems that when the photovoltaic power station direct current side monitoring device is used, a large amount of heat is emitted by elements in the device, heat dissipation is provided through gaps or heat dissipation holes of a shell of the device, the heat dissipation efficiency is low, and the device is damaged by heating.
The utility model provides a photovoltaic power station direct current side monitoring device which comprises a device body, a shell and a heat dissipation assembly, wherein the heat dissipation assembly comprises a shutter, a chute, a fan mechanism, a water drain, a water pump and a water tank;
the shutter is fixedly connected with the shell and is positioned on one side of the shell, the sliding chute is fixedly connected with the shell and is positioned on one side of the shell away from the shutter, the fan mechanism is in sliding connection with the sliding chute and is positioned on one side of the sliding chute, the water tank is communicated with the water tank and is positioned on the bottom of the shell, the water pump is communicated with the water tank and is positioned between the water tank and the water tank.
The fan mechanism comprises a mounting frame and a fan, wherein the mounting frame is in sliding connection with the sliding groove and is positioned on one side of the sliding groove, and the fan is arranged on the inner side of the mounting frame.
The heat dissipation assembly further comprises a filter plate, wherein the filter plate is detachably connected with the shell and is positioned on one side of the shutter.
The heat dissipation assembly further comprises a water inlet pipe and a pipe cover, wherein the water inlet pipe is communicated with the water tank and is located on one side of the water tank, and the pipe cover is detachably connected with the water inlet pipe and is located on one side, away from the water tank, of the water inlet pipe.
The heat dissipation assembly further comprises a mounting plate, a supporting frame and a bolt, wherein the mounting plate is fixedly connected with the shell and is located on one side of the shell, the supporting frame is fixedly connected with the shell and is located on one side of the shell, and the bolt is arranged on one side of the mounting plate.
The utility model relates to a photovoltaic power station direct current side monitoring device, which comprises a device body, at least one parallel monitoring unit and a control unit, wherein the device body comprises a shell and at least one parallel monitoring unit, and the device body comprises: the device comprises 2m diodes, a diode is connected in series with an insulation monitoring outgoing line connected with the positive electrode of m photovoltaic cell panels in the forward direction, a diode is connected in series with an insulation monitoring outgoing line connected with the negative electrode of m photovoltaic cell panels in the reverse direction, all insulation monitoring outgoing lines connected with the positive electrode of m photovoltaic cell panels are connected in parallel and then connected with one end of an insulation monitoring module, all insulation monitoring outgoing lines connected with the negative electrode of m photovoltaic cell panels are connected in parallel and then connected with the other end of the insulation monitoring module, m is an integer and is less than or equal to m and less than or equal to n, the fan mechanism is inserted into the sliding groove in a sliding way through an inner element of a shell protection device when the device is used, gas is blown out from the shutter through starting the inside of the shell of the fan device, so that the shell has air cooling and heat dissipation, in order to cool blown gas, the water in the water pump pumps cooling water in the water tank into the cooling row, so that the gas enters the shell, the gas temperature is lower, a large amount of heat can be emitted by elements inside the device when the device is used, and the device is damaged through gaps or heat dissipation holes of the device itself, the problem of low heat dissipation efficiency is solved, and the heat dissipation device is provided.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a block diagram of a photovoltaic power station dc side monitoring apparatus according to a first embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional view of a photovoltaic power plant dc side monitoring apparatus according to a first embodiment of the present utility model.
Fig. 3 is a schematic front view of a dc side monitoring device for a photovoltaic power station according to a second embodiment of the present utility model.
101-device body, 102-shell, 103-heat dissipation assembly, 104-shutter, 105-chute, 106-fan mechanism, 107-water row, 108-water pump, 109-water tank, 110-mounting rack, 111-fan, 112-filter board, 113-inlet tube, 114-tube cover, 201-mounting plate, 202-support frame, 203-bolt.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
First embodiment
Referring to fig. 1 to 2, fig. 1 is a block diagram of a dc side monitoring device of a photovoltaic power station according to a first embodiment of the present utility model. Fig. 2 is a schematic cross-sectional view of a photovoltaic power plant dc side monitoring apparatus according to a first embodiment of the present utility model.
The utility model provides a photovoltaic power station direct current side monitoring device, which comprises: comprising a device body 101, a housing 102 and a heat dissipating assembly 103, said heat dissipating assembly 103 comprising a louver 104, a chute 105, a fan mechanism 106, a water row 107, a water pump 108, a water tank 109, a mounting frame 110, a fan 111, a filter plate 112, a water inlet pipe 113 and a pipe cover 114. The problem that the device is damaged by heating due to the fact that the heat dissipation efficiency is too low is solved by the fact that a large amount of heat can be emitted by elements inside the device when the device is used, and the problem that the device body 101 is damaged by heating is solved by providing heat dissipation through gaps or heat dissipation holes of the housing 102 of the device itself.
In this embodiment, the device body 101 includes a housing 102, at least one parallel monitoring unit, and includes: and 2m diodes, wherein a diode is connected in series with an insulation monitoring lead-out wire connected with the positive electrode of the m photovoltaic cell panels in the forward direction, a diode is connected in series with an insulation monitoring lead-out wire connected with the negative electrode of the m photovoltaic cell panels in the reverse direction, all insulation monitoring lead-out wires connected with the positive electrode of the m photovoltaic cell panels are connected in parallel and then connected with one end of an insulation monitoring module, all insulation monitoring lead-out wires connected with the negative electrode of the m photovoltaic cell panels are connected in parallel and then connected with the other end of the insulation monitoring module, m is an integer and m is less than or equal to 2 and less than or equal to n, and the internal elements of the device are protected through the shell 102.
Wherein the shutter 104 is fixedly connected with the housing 102 and is positioned at one side of the housing 102, the chute 105 is fixedly connected with the housing 102 and is positioned at one side of the housing 102 far away from the shutter 104, the fan mechanism 106 is slidably connected with the chute 105 and is positioned at one side of the chute 105, the water row 107 is fixedly connected with the housing 102 and is positioned at one side of the housing 102, the water tank 109 is communicated with the water row 107 and is positioned at the bottom of the housing 102, the water pump 108 is communicated with the water row 107 and is communicated with the water tank 109 and is positioned between the water tank 109 and the water row 107, when the device is used, the fan mechanism 106 is slidably inserted into the chute 105, the fan 111 is started to blow air into the shell 102 of the device, the air is discharged from the louver 104, so that the shell 102 has air cooling and heat dissipation, in order to cool the blown air, the cooling water in the water tank 109 is pumped into the cold row by the water pump 108, the air enters the cold row and enters the shell 102, the temperature of the air is lower, and the problems that a large amount of heat is emitted by elements in the device when the device is used, heat dissipation is provided through gaps or heat dissipation holes of the shell 102 of the device, the heat dissipation efficiency is too low, and the device is damaged by heating are solved.
Secondly, the mounting frame 110 is slidably connected with the chute 105 and is located at one side of the chute 105, the fan 111 is disposed on the inner side of the mounting frame 110, the mounting frame 110 is used for mounting the fan 111, and the fan 111 provides flowing gas for heat dissipation.
Again, the filter plate 112 is detachably connected to the housing 102 and located at one side of the louver 104, and the filter plate 112 prevents dust and fine pests from entering the housing 102 through the louver 104 to damage the device body 101.
Finally, the water inlet pipe 113 is communicated with the water tank 109 and is positioned on one side of the water tank 109, the pipe cover 114 is detachably connected with the water inlet pipe 113 and is positioned on one side of the water inlet pipe 113 away from the water tank 109, the water inlet pipe 113 is used for changing water in the water tank 109, and the pipe cover 114 is used for sealing the water inlet pipe 113.
In use of the photovoltaic power plant DC side monitoring device of the present utility model, the device body 101 comprises a housing 102, at least one parallel monitoring unit comprising: 2m diodes, a diode is connected in series forward on an insulation monitoring lead-out wire connected with the positive electrode of m photovoltaic cell panels, a diode is connected in reverse series on an insulation monitoring lead-out wire connected with the negative electrode of m photovoltaic cell panels, all insulation monitoring lead-out wires connected with the positive electrode of m photovoltaic cell panels are connected in parallel and then connected with one end of an insulation monitoring module, all insulation monitoring lead-out wires connected with the negative electrode of m photovoltaic cell panels are connected in parallel and then connected with the other end of the insulation monitoring module, m is an integer and is less than or equal to 2 and less than or equal to n, the inner element of the device is protected through a shell 102, when the device is used, the fan mechanism 106 is inserted into the chute 105 in a sliding way, the air is blown out from the interior of the shell 102 which the fan 111 wants to be arranged by starting, the shell 102 is provided with air cooling heat dissipation, in order to cool the blown air, cooling water in the water tank 109 is pumped into the cold row through the water pump 108, the air is led into the cold row to enter the shell 102, the temperature of the air is lower, the mounting frame 110 is used for mounting the fan 111, the fan 111 provides flowing air for heat dissipation, the filter plate 112 prevents fine dust and insect pests from entering the shell 102 through the louver 104 to damage the device body 101, the water inlet pipe 113 is used for changing water in the water tank 109, the pipe cover 114 is used for sealing the water inlet pipe 113, and the problems that a large amount of heat can be emitted by elements inside the device during use, heat dissipation is provided through gaps or heat dissipation holes of the shell 102 of the device, and the heat dissipation efficiency is too low, so that the device is damaged by heating are solved.
Second embodiment
Referring to fig. 3, fig. 3 is a schematic front view of a dc side monitoring device of a photovoltaic power station according to a second embodiment of the present utility model. On the basis of the first embodiment, the heat dissipation pad assembly of the photovoltaic power station direct current side monitoring device further comprises a mounting plate 201, a supporting frame 202 and bolts 203.
The mounting plate 201 is fixedly connected with the shell 102 and is located at one side of the shell 102, the supporting frame 202 is fixedly connected with the shell 102 and is located at one side of the shell 102, the bolt 203 is arranged at one side of the mounting plate 201, in order to facilitate installation of the device, the device can be hung and installed through the bolt 203 on the mounting plate 201, and when the device is placed on the ground, the supporting frame 202 is lifted by a distance from the ground to prevent moisture and water accumulation on the ground.
The foregoing disclosure is only a preferred embodiment of a photovoltaic power station dc side monitoring device, and it is not intended to limit the scope of the utility model, and those skilled in the art will understand that all or part of the above embodiments are implemented and equivalent changes made according to the claims of the utility model still fall within the scope of the utility model.
Claims (5)
1. A photovoltaic power station DC side monitoring device comprises a device body and a shell, and is characterized in that,
the heat dissipation assembly comprises a shutter, a chute, a fan mechanism, a water drain, a water pump and a water tank;
the shutter is fixedly connected with the shell and is positioned on one side of the shell, the sliding chute is fixedly connected with the shell and is positioned on one side of the shell away from the shutter, the fan mechanism is in sliding connection with the sliding chute and is positioned on one side of the sliding chute, the water tank is communicated with the water tank and is positioned on the bottom of the shell, the water pump is communicated with the water tank and is positioned between the water tank and the water tank.
2. A photovoltaic power plant DC side monitoring apparatus according to claim 1,
the fan mechanism comprises a mounting frame and a fan, wherein the mounting frame is in sliding connection with the sliding groove and is positioned on one side of the sliding groove, and the fan is arranged on the inner side of the mounting frame.
3. A photovoltaic power plant DC side monitoring apparatus according to claim 2,
the heat dissipation assembly further comprises a filter plate, wherein the filter plate is detachably connected with the shell and is positioned on one side of the shutter.
4. A photovoltaic power plant DC side monitoring apparatus according to claim 3,
the heat dissipation assembly further comprises a water inlet pipe and a pipe cover, wherein the water inlet pipe is communicated with the water tank and is located on one side of the water tank, and the pipe cover is detachably connected with the water inlet pipe and is located on one side, away from the water tank, of the water inlet pipe.
5. A photovoltaic power plant DC side monitoring apparatus as set forth in claim 4,
the heat dissipation assembly further comprises a mounting plate, a supporting frame and a bolt, wherein the mounting plate is fixedly connected with the shell and is positioned on one side of the shell, the supporting frame is fixedly connected with the shell and is positioned on one side of the shell, and the bolt is arranged on one side of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118769.8U CN219417641U (en) | 2023-02-01 | 2023-02-01 | Photovoltaic power plant direct current side monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118769.8U CN219417641U (en) | 2023-02-01 | 2023-02-01 | Photovoltaic power plant direct current side monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219417641U true CN219417641U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320118769.8U Active CN219417641U (en) | 2023-02-01 | 2023-02-01 | Photovoltaic power plant direct current side monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219417641U (en) |
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2023
- 2023-02-01 CN CN202320118769.8U patent/CN219417641U/en active Active
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