CN218735745U - Operation monitoring device for grid-connected photovoltaic inverter - Google Patents
Operation monitoring device for grid-connected photovoltaic inverter Download PDFInfo
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- CN218735745U CN218735745U CN202222751791.4U CN202222751791U CN218735745U CN 218735745 U CN218735745 U CN 218735745U CN 202222751791 U CN202222751791 U CN 202222751791U CN 218735745 U CN218735745 U CN 218735745U
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a grid-connected photovoltaic inverter operation monitoring device, which comprises an inverter body, wherein a shell is wrapped outside the inverter body, one side of the shell is hinged with a box door, a viewing port is arranged on the box door, a protective door is movably arranged in the viewing port, and a plurality of heat dissipation fans are fixedly arranged on the other side of the shell; the both sides inner wall fixed mounting of casing has a plurality of infrared temperature sensor, and the top of casing is connected with the cylinder casing through helicitic texture, the top inner wall fixedly connected with solenoid valve of casing, the bottom fixed connection spray pipe of solenoid valve, one side top of spray pipe are equipped with the microprocessor of fixed connection casing roof. The operation of the inverter body is monitored through the infrared temperature sensor, the temperature of the inverter body during operation is detected in real time, and the condition that the inverter body generates local high temperature or is overheated integrally due to short circuit is monitored.
Description
Technical Field
The utility model relates to an inverter monitoring technology field specifically is a grid-connected photovoltaic inverter operation monitoring device.
Background
In recent years, solar photovoltaic power generation has been developed and widely used, which has the functions of alleviating the shortage of conventional energy and reducing environmental pollution, and a grid-connected inverter is used for converting direct current generated by a solar battery into alternating current and supplying power to a power grid in a grid-connected manner, and has a crucial position in the aspects of development and utilization of new energy.
The existing photovoltaic power generation system is mainly used in remote areas, many power stations are unattended and maintained, the inverter is required to have a reasonable circuit structure, strict component screening is required, and the inverter is required to have various protection functions, but the existing grid-connected photovoltaic inverter is lack of a corresponding monitoring device, cannot feed back problems such as short circuit and overheating in time, accumulates long-time problems, and can cause great accidents in severe cases, so that the grid-connected photovoltaic inverter operation monitoring device is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a grid-connected photovoltaic inverter operation monitoring device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a grid-connected photovoltaic inverter operation monitoring device comprises an inverter body, wherein a shell is wrapped outside the inverter body, a box door is hinged to one side of the shell, an observation port is formed in the box door, a protective door is movably arranged in the observation port, and a plurality of radiating fans are fixedly mounted on the other side of the shell;
the utility model discloses a temperature control device for a water heater, including casing, cylinder casing, solenoid valve, bottom fixed connection spray pipe, the both sides inner wall fixed mounting of casing has a plurality of infrared temperature sensor, the top of casing is connected with the cylinder casing through helicitic texture, the top inner wall fixed connection solenoid valve of casing, the bottom fixed connection spray pipe of solenoid valve, one side top of spray pipe is equipped with the microprocessor of fixed connection casing roof.
Preferably, a transmission interface is fixedly installed on one side of the top of the shell and is in signal connection with the microprocessor.
Preferably, the cylindrical shell is filled with dry powder fire extinguishing materials, and the cylindrical shell is communicated with the electromagnetic valve.
Preferably, one side of the heat dissipation fan is provided with a filter screen fixedly connected with the shell.
Preferably, the microprocessor is electrically connected with the infrared temperature sensor and the electromagnetic valve respectively.
Preferably, a plurality of screw holes are concavely arranged on two sides of one end face of the shell respectively, a plurality of threading holes are formed in the bottom of the shell, and a toggle strip is fixedly connected to one end of the protective door.
Compared with the prior art, the beneficial effects of the utility model are that: monitor the operation of dc-to-ac converter body through infrared temperature sensor, the temperature when real-time detection dc-to-ac converter body operation, the short circuit appears in the control dc-to-ac converter body and produces local high temperature or the overheated condition of whole, through the external signal transmission line of transmission interface, data to the control transmit, when the dc-to-ac converter body is on fire because of short circuit or overheated, the solenoid valve is opened, the inside fire extinguishing material of cylinder casing is from the spray pipe blowout under the action of gravity, put out a fire the operation to the dc-to-ac converter body, the expansion of the intensity of a fire has been avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a rear view structure diagram of the present invention;
fig. 3 is a schematic sectional view of the present invention.
In the figure: casing 1, screw hole 101, through wires hole 102, chamber door 2, viewing aperture 3, guard gate 4, stir strip 41, cylinder casing 5, transmission interface 6, filter screen 7, heat dissipation fan 8, inverter body 9, infrared temperature sensor 10, solenoid valve 11, spray line 12, microprocessor 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, for the first embodiment of the present invention, this embodiment provides a grid-connected photovoltaic inverter operation monitoring device, which includes an inverter body 9, a casing 1 is wrapped outside the inverter body 9, a box door 2 is hinged to one side of the casing 1, a viewing port 3 is provided on the box door 2, a protective door 4 is movably provided in the viewing port 3, and a plurality of heat dissipation fans 8 are fixedly installed on the other side of the casing 1; by opening the box door 2 of the shell 1, the inverter body 9 is arranged in the shell 1, the position of the observation port 3 formed in the box door 2 corresponds to the position of the display screen on the inverter body 9, so that the inverter body 9 can be checked or set by opening the protective door 4, the box door 2 and the protective door 4 are closed, the whole inverter body 9 is comprehensively protected, the inverter body 9 is prevented from being collided by the outside when being subjected to severe natural weather in the working and running process, the inverter body 9 is prevented from being collided by the outside, when the inverter body 9 works, the heat dissipation fan 8 is electrified to work, the heat dissipation fan 8 carries out air in the shell 1, meanwhile, the protective door 4 is provided with a plurality of filter holes, the filter holes are matched with the heat dissipation fan 8 to realize air flow in the shell 1, heat dissipation generated when the inverter body 9 works is accelerated, and the working heat dissipation efficiency of the inverter body 9 is improved;
a plurality of infrared temperature sensors 10 are fixedly mounted on the inner walls of the two sides of the shell 1, the top of the shell 1 is connected with a cylindrical shell 5 through a threaded structure, the inner wall of the top of the shell 1 is fixedly connected with an electromagnetic valve 11, the bottom of the electromagnetic valve 11 is fixedly connected with a spray pipe 12, and the top of one side of the spray pipe 12 is provided with a microprocessor 13 fixedly connected with the top wall of the shell 1. When the inverter body 9 works, the running state of the inverter body 9 is monitored by the infrared temperature sensor 10, and then whether the whole running temperature of the inverter body 9 exceeds a set threshold value is monitored in real time, when the inverter body 9 is short-circuited to generate local high temperature or the whole overheat condition, the monitoring temperature of the infrared temperature sensor 10 exceeds the set threshold value, and the infrared temperature sensor 10 transmits monitoring data to the microprocessor 13, the microprocessor 13 transmits the received data to the monitoring center through the transmission interface 6, and the running state of the inverter body 9 is monitored in real time.
Example 2
Referring to fig. 1-3, for the utility model discloses the second embodiment, this embodiment is based on last embodiment, and is specific, and top one side fixed mounting of casing 1 has transmission interface 6, and transmission interface 6 and microprocessor 13 signal connection, and transmission interface 6 connect signal line and surveillance center realize data connection, and then carry out real-time transmission to the data of infrared temperature sensor 10 control, make things convenient for the maintainer to look over.
It is specific, cylindrical shell 5 intussuseption is filled with dry powder fire extinguishing material, cylindrical shell 5 and solenoid valve 11 communicate each other, cylindrical shell 5 top is equipped with the air vent with the outside air intercommunication, and the air vent is inside to be fixed to be equipped with waterproof ventilated membrane, cylindrical shell 5 and 1 threaded structure of casing are connected, conveniently change cylindrical shell 5, when the condition of catching fire appears because of short circuit high temperature or overheated when dc-to-ac converter body 9, infrared temperature sensor 10 monitors the temperature and surpasses the ignition point, microprocessor 13 passes through the temperature data that surpasses the ignition point of infrared temperature sensor 10 transmission, control solenoid valve 11 is opened, fill fire extinguishing material in cylindrical shell 5 under the action of gravity in solenoid valve 11 enters into spray pipe 12, a plurality of sprinkles have been seted up to spray pipe 12's bottom, fire extinguishing material enters into casing 1 through the sprinkle blowout, and then put out a fire operation to dc-to-ac converter body 9, the expansion of intensity of a fire has been avoided.
Specifically, one side of heat dissipation fan 8 is equipped with the filter screen 7 of fixed connection casing 1, and the setting of filter screen 7 avoids heat dissipation fan 8 during operation, and external particle impurity avoids influencing the normal work of dc-to-ac converter body 9 in getting into casing 1.
Specifically, the microprocessor 13 is electrically connected to the infrared temperature sensor 10 and the electromagnetic valve 11, respectively, and the infrared temperature sensor 10 monitors the operating temperature of the inverter body 9 in real time.
Specifically, a plurality of screw holes 101 are concavely arranged on two sides of one end face of the shell 1 respectively, the screw holes 101 are convenient to match with bolts to install the shell 1, a plurality of threading holes 102 are formed in the bottom of the shell 1, the threading holes 102 provide space for connecting lines of the inverter body 9, and the one end fixedly connected with of the protective door 4 is provided with a toggle bar 41, so that the protective door 4 can be opened conveniently through the toggle bar 41.
Example 3
Referring to fig. 1-3, for the third embodiment of the present invention, this embodiment is based on the above two embodiments, when in use, the transmission interface 6 is connected with the signal line to realize data connection with the monitoring center, by opening the door 2 of the housing 1, the inverter body 9 is installed inside the housing 1, the position of the viewing port 3 formed on the door 2 corresponds to the position of the display screen on the inverter body 9, and further, the inverter body 9 can be checked or set by opening the protective door 4, closing the door 2 and the protective door 4, and comprehensively protecting the whole inverter body 9, so as to avoid the inverter body 9 from being collided by the outside when the natural weather is bad in the working operation process, when the inverter body 9 is in bad weather, the heat dissipation fan 8 is powered on to work when the inverter body 9 is in work, the heat dissipation fan 8 brings out the air inside the housing 1, and meanwhile, the protective door 4 is provided with a plurality of filter holes, and the filter holes are matched with the heat dissipation fan 8 to realize the air flow inside the housing 1, thereby accelerating the heat dissipation generated when the inverter body 9 is working, and improving the heat dissipation efficiency of the inverter body 9; the arrangement of the filter screen 7 prevents external particle impurities from entering the shell 1 when the radiating fan 8 works, and avoids influencing the normal work of the inverter body 9, when the inverter body 9 works, the infrared temperature sensor 10 monitors the running state of the inverter body 9, and then monitors whether the overall running temperature of the inverter body 9 exceeds a set threshold value in real time, when the inverter body 9 is short-circuited to generate a local high temperature or overall overheating condition, the monitoring temperature of the infrared temperature sensor 10 exceeds the set threshold value, and the infrared temperature sensor 10 transmits monitoring data to the microprocessor 13, the microprocessor 13 transmits the received data to a monitoring center through the transmission interface 6, and the real-time monitoring of the running state of the inverter body 9 is realized; when the condition of catching fire appears because of short circuit high temperature or overheated when dc-to-ac converter body 9, infrared temperature sensor 10 monitors the temperature and surpasss the ignition point, microprocessor 13 is through the temperature data of the ignition point of surpassing of infrared temperature sensor 10 transmission, control solenoid valve 11 is opened, 5 tops of cylinder casing are equipped with the air vent with the outside air intercommunication, and the inside fixed waterproof ventilated membrane that is equipped with of air vent, pack fire extinguishing material in cylinder casing 5 and enter into spray pipe 12 through solenoid valve 11 under the action of gravity in, a plurality of sprinkler mouths have been seted up to the bottom of spray pipe 12, fire extinguishing material enters into casing 1 through the sprinkler mouth blowout, and then put out a fire the operation to dc-to-ac converter body 9, the expansion of the intensity of a fire has been avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a grid-connected photovoltaic inverter operation monitoring device, includes inverter body (9), the outer parcel of inverter body (9) has casing (1), its characterized in that: a box door (2) is hinged to one side of the shell (1), an observation port (3) is formed in the box door (2), a protective door (4) is movably arranged in the observation port (3), and a plurality of heat dissipation fans (8) are fixedly mounted on the other side of the shell (1);
the utility model discloses a solar energy water heater, including casing (1), the top of casing (1) is connected with cylindrical shell (5) through helicitic texture, the both sides inner wall fixed mounting of casing (1) has a plurality of infrared temperature sensor (10), the top of casing (1) is connected with cylinder casing (5), the top inner wall fixed connection solenoid valve (11) of casing (1), the bottom fixed connection spray pipe (12) of solenoid valve (11), one side top of spray pipe (12) is equipped with microprocessor (13) of fixed connection casing (1) roof.
2. The grid-connected photovoltaic inverter operation monitoring device according to claim 1, characterized in that: the top one side fixed mounting of casing (1) has transmission interface (6), transmission interface (6) and microprocessor (13) signal connection.
3. The grid-connected photovoltaic inverter operation monitoring device according to claim 1, characterized in that: the cylinder shell (5) is filled with dry powder fire extinguishing materials, and the cylinder shell (5) is communicated with the electromagnetic valve (11).
4. The grid-connected photovoltaic inverter operation monitoring device according to claim 1, characterized in that: and a filter screen (7) fixedly connected with the shell (1) is arranged on one side of the heat dissipation fan (8).
5. The grid-connected photovoltaic inverter operation monitoring device according to claim 1, characterized in that: and the microprocessor (13) is respectively electrically connected with the infrared temperature sensor (10) and the electromagnetic valve (11).
6. The grid-connected photovoltaic inverter operation monitoring device according to claim 1, characterized in that: a plurality of threaded holes (101) are respectively arranged in the two sides of one end face of the shell (1) in a concave mode, a plurality of threading holes (102) are formed in the bottom of the shell (1), and a toggle strip (41) is fixedly connected to one end of the protective door (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222751791.4U CN218735745U (en) | 2022-10-19 | 2022-10-19 | Operation monitoring device for grid-connected photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222751791.4U CN218735745U (en) | 2022-10-19 | 2022-10-19 | Operation monitoring device for grid-connected photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218735745U true CN218735745U (en) | 2023-03-24 |
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ID=85586941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222751791.4U Active CN218735745U (en) | 2022-10-19 | 2022-10-19 | Operation monitoring device for grid-connected photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218735745U (en) |
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2022
- 2022-10-19 CN CN202222751791.4U patent/CN218735745U/en active Active
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