CN217522794U - Photovoltaic MC4 connects protection device and photovoltaic power plant - Google Patents
Photovoltaic MC4 connects protection device and photovoltaic power plant Download PDFInfo
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- CN217522794U CN217522794U CN202123304778.6U CN202123304778U CN217522794U CN 217522794 U CN217522794 U CN 217522794U CN 202123304778 U CN202123304778 U CN 202123304778U CN 217522794 U CN217522794 U CN 217522794U
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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 photovoltaics, and provides a photovoltaic MC4 joint protection device and a photovoltaic power station, wherein the photovoltaic MC4 joint protection device comprises a protection shell, a containing cavity for containing a photovoltaic MC4 joint is arranged in the photovoltaic MC4 joint protection device, and a through hole for a cable to pass through is arranged on the protection shell; and the detection element is arranged in the accommodating cavity and is used for detecting the temperature and/or the humidity in the accommodating cavity. So set up, solved and be not convenient for monitor, maintain the problem to photovoltaic MC4 joint among the prior art.
Description
Technical Field
The utility model relates to a photovoltaic technology field especially relates to a photovoltaic MC4 connects protection device and photovoltaic power plant.
Background
The photovoltaic MC4 joint is the joint for connecting the photovoltaic module with the module and the direct current cable between the module and the inverter. Due to high construction requirements, long-term exposure in the field and poor surrounding environment, the problem of short circuit and heating caused by water inflow or poor contact is easy to occur. Due to the fact that monitoring and maintenance of the photovoltaic MC4 connector are not convenient, potential safety hazards of fire are caused.
Therefore, how to solve the problem that monitoring and maintenance of the photovoltaic MC4 joint are inconvenient in the prior art becomes an important technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a photovoltaic MC4 connects protection device and photovoltaic power plant for solve the defect that is not convenient for monitor, maintain photovoltaic MC4 to connect among the prior art.
The utility model provides a photovoltaic MC4 connects protection device, include:
the photovoltaic MC4 connector comprises a protective shell, a plurality of connecting pieces and a plurality of connecting pieces, wherein the protective shell is internally provided with a containing cavity for containing the photovoltaic MC4 connector, and a through hole for a cable to pass through is formed in the protective shell;
and the detection element is arranged in the accommodating cavity and is used for detecting the temperature and/or the humidity in the accommodating cavity.
According to the utility model provides a pair of photovoltaic MC4 connects protection device still includes:
and the control device is electrically connected with the detection element and is set to be capable of acquiring the temperature data and/or the humidity data detected by the detection element and sending out an alarm prompt when the temperature data or the humidity data is determined to exceed a safety threshold value.
According to the utility model provides a photovoltaic MC4 joint protection device, the detection element is a temperature and humidity sensor;
alternatively, the detection element comprises a temperature sensor and/or a humidity sensor.
According to the utility model provides a pair of photovoltaic MC4 connects protection device, protecting sheathing's outside is provided with spacing post, the one end of spacing post with protecting sheathing relatively fixed, be provided with the confession on the spacing post the through wires hole that the cable passed, the through wires hole with the through-hole intercommunication.
According to the utility model provides a pair of photovoltaic MC4 connects protection device, the last fixed bolster that is provided with of protecting sheathing, the fixed bolster sets up to right protecting sheathing's position is fixed.
According to the utility model provides a pair of photovoltaic MC4 connects protection device, the protecting sheathing intussuseption is filled with the fire prevention and packs.
According to the utility model provides a pair of photovoltaic MC4 connects protection device, protecting sheathing includes first casing and second casing, first casing with can dismantle the connection between the second casing.
According to the utility model provides a pair of photovoltaic MC4 connects protection device, protecting sheathing's material is the stainless steel.
According to the utility model provides a pair of photovoltaic MC4 connects protection device, protecting sheathing's surface is convex curved surface.
The utility model also provides a photovoltaic power plant, connect protection device including foretell photovoltaic MC 4.
The utility model provides a photovoltaic MC4 connects protection device, including protecting sheathing and detecting element, detecting element sets up in protecting sheathing. The photovoltaic MC4 connector is arranged in the accommodating cavity of the protective shell, and a cable connected with the photovoltaic MC4 connector penetrates out of the through hole. The protective housing protects the photovoltaic MC4 joint, and the temperature and/or humidity in the protective housing are detected by the detection element. The detection element is electrically connected with a control system of the photovoltaic power station, the control system of the photovoltaic power station can acquire temperature data and/or humidity data detected by the detection element, the acquired temperature data and/or humidity data are/is compared with a corresponding safety threshold, and when the acquired data exceed the corresponding safety threshold, an alarm prompt is sent. Staff can maintain the photovoltaic MC4 joint according to the suggestion of reporting to the police. So, realized the intelligent monitoring who connects photovoltaic MC4, convenient maintenance has solved and has been not convenient for monitor, maintain the problem that connects photovoltaic MC4 among the prior art.
Further, in the utility model provides an in the photovoltaic power plant, because possess photovoltaic MC4 joint protection device as above, consequently possess like above-mentioned various advantages.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a first cross-sectional view of a first photovoltaic MC4 joint protection device provided by the present invention;
fig. 2 is a second cross-sectional view of the joint protection device of the photovoltaic MC4 provided by the present invention.
Reference numerals:
1: a protective housing; 2: photovoltaic MC4 connectors; 3: a detection element; 4: a limiting column; 5: fixing a bracket; 6: a fire-retardant filler; 7: a cable.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings in the present invention will be combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The photovoltaic MC4 joint protection device of the present invention is described below with reference to fig. 1 to 2.
As shown in fig. 1 and fig. 2, the photovoltaic MC4 joint protection device provided by the embodiment of the present invention includes a protective casing 1 and a detection element 3.
The interior of the protective casing 1 has a receiving cavity for receiving the photovoltaic MC4 connector 2. The protective housing 1 is provided with a through hole through which the cable 7 can pass. The photovoltaic MC4 connector 2 is placed inside the protective casing 1, and the cable 7 connected with the photovoltaic MC4 connector 2 can pass through a through hole on the protective casing 1. The protective shell 1 is used for protecting the photovoltaic MC4 joint 2, so that wind, sun and rain can be avoided, rainwater is reduced to enter the photovoltaic MC4 joint 2, the aging speed of the photovoltaic MC4 joint 2 is reduced, and the service life of the photovoltaic MC4 joint 2 is prolonged.
The detection element 3 is disposed in the accommodating cavity and is capable of detecting the temperature and/or humidity in the accommodating cavity. The detection element 3 is electrically connected to a control system of the photovoltaic power station, so that the control system can acquire temperature data and/or humidity data detected by the detection element 3 and can compare the acquired data with a corresponding safety threshold. And when the acquired temperature data or humidity data is determined to exceed the corresponding safety threshold, sending an alarm prompt. The staff can maintain photovoltaic MC4 joint 2 according to the suggestion of reporting to the police.
So, realized the intelligent monitoring to photovoltaic MC4 joint 2, convenient maintenance has solved the problem that is not convenient for monitor, maintain photovoltaic MC4 joint 2 among the prior art.
The embodiment of the utility model provides a photovoltaic MC4 connects protection device still includes controlling means, and controlling means and above-mentioned photovoltaic power plant's control system mutual independence make photovoltaic MC4 in this embodiment connect protection device to be solitary product device.
The control device in this embodiment is electrically connected to the detection element 3, so that the control device obtains temperature data and/or humidity data detected by the detection element 3, and when it is determined that the temperature data or the humidity data exceeds a corresponding safety threshold, an alarm prompt is given.
Specifically, the control device comprises a controller and an alarm device, wherein the alarm device is electrically connected with the controller. The controller is used for acquiring, processing and analyzing data, and the alarm device is used for sending out alarm prompts and alarm signals.
The alarm device can be a display used for displaying temperature data, humidity data and alarm information. The alarm device can be a voice alarm or an audible and visual alarm, and when the temperature data or the humidity data exceed the corresponding safety threshold, the alarm device sends out a warning signal through the voice alarm and the audible and visual alarm so as to prompt a worker.
It should be noted that the detecting element 3 and the controller may be connected by a separate cable, or may be connected to the inverter data collecting device by an RS485 cable, so that the controller is electrically connected to the inverter data collecting device, and the data collected by the detecting unit is transmitted to the controller by the inverter data collecting device. The alarm device can be arranged in an inverter room, and is convenient for unified maintenance and management.
The embodiment of the utility model provides an in, above-mentioned detecting element 3 can be temperature sensor, only detects the temperature in protecting sheathing 1. The detection element 3 may be a humidity sensor that detects only the humidity in the protective case 1. The detecting element 3 may also include a temperature sensor and a humidity sensor, and may detect the temperature and humidity inside the protective casing 1 at the same time.
When the detecting element 3 includes a temperature sensor and a humidity sensor at the same time, a temperature and humidity sensor can be directly selected as the detecting element 3. The temperature and humidity sensor has a humidity sensitive element and a thermosensitive element, can be used for measuring humidity and temperature, has the advantages of small volume, stable performance and the like, is favorable for reducing the volume of the photovoltaic MC4 joint protection device, and improves the stability and reliability of the photovoltaic MC4 joint protection device.
The embodiment of the utility model provides an in, be provided with spacing post 4 in protecting sheathing 1's outside, the one end and the protecting sheathing 1 relatively fixed of spacing post 4, the other end is the free end to keep away from protecting sheathing 1 gradually. Be provided with the through wires hole on spacing post 4, the through wires hole communicates with above-mentioned through-hole on protective housing 1 to the cable 7 that supplies to connect with photovoltaic MC4 joint 2 and the cable that is connected with detecting element 3 pass.
The through holes and the limiting columns 4 are arranged at two ends of the protective shell 1 respectively, and the axes of the threading holes in the two limiting columns 4 are overlapped. The limiting column 4 can be integrally formed with the protective casing 1, and can also be fixedly connected in a gluing mode, a welding mode and the like.
Spacing post 4 and protecting sheathing 1 relatively fixed, spacing post 4 has certain length, utilizes rocking that spacing post 4 can restrict cable 7 to avoid rocking the poor contact problem between the photovoltaic MC4 joint 2 that leads to because of cable 7, avoid the short circuit phenomenon of generating heat, get rid of the potential safety hazard that causes the conflagration.
In this embodiment, the material of the protective casing 1 can be stainless steel, and the stainless steel has excellent corrosion resistance, and can ensure effective protection of the photovoltaic MC4 connector 2 in severe environments such as wind, sun, rain, and the like. Moreover, the weight of the photovoltaic MC4 joint protection device can be increased by the stainless steel protection shell 1, the large-amplitude swing of the cable 7 in a pull-down state caused by wind can be reduced, the virtual joint burning of the photovoltaic MC4 joint 2 is reduced, and the risk caused by short circuit and fire of the photovoltaic MC4 joint 2 is favorably avoided.
In this embodiment, the outer surface of the protective casing 1 is a convex curved surface, and specifically, the protective casing 1 may be a sphere. In rainy weather, the rainwater falling on the protective housing 1 can flow down rapidly, and the rainwater is prevented from remaining on the protective housing 1.
In this embodiment, the fixing bracket 5 is provided on the protective housing 1, and the fixing bracket 5 can fix the position of the protective housing 1. In the specific implementation process, the protective casing 1 can be fixed on the photovoltaic equipment, and can also be fixed on the base surface of a photovoltaic power station, such as the ground. Fixed bolster 5 can reduce rocking of protecting sheathing 1 and photovoltaic MC4 joint 2, and the stability of connecting between the reinforcing photovoltaic MC4 joint 2 avoids connecting, short circuit problem because of the virtual of rocking of protecting sheathing 1 and photovoltaic MC4 joint 2 and leading to.
The fixing bracket 5 may be a flange provided on the protective casing 1, and the flange may be integrally formed with the protective casing 1, or may be fixed by welding or gluing.
For the connection between the fixing support 5 and the photovoltaic device, the connection between the flange and the photovoltaic device can be realized by welding, or a connection hole can be formed in the flange, and the connection between the flange and the photovoltaic device can be realized by using a connection bolt and a nut.
For the connection between the fixing bracket 5 and the base surface, a mounting seat may be provided on the base surface, and the fixing bracket 5 may be connected to the mounting seat.
The protective shell 1 is filled with fireproof filler 6, and the fireproof filler 6 can prevent or retard flame from spreading. In particular, a fire resistant ABS material may be selected.
When photovoltaic MC4 joint 2 short circuit generates heat, catches fire, can avoid flame to spread, effectively prevent the emergence of conflagration.
The embodiment of the utility model provides an in, but with above-mentioned protecting sheathing 1 setting be two parts of split, specifically include first casing and second casing, can dismantle between first casing and the second casing and be connected.
Specifically, the first end of the first housing and the first end of the second housing may be rotatably connected by using a hinge shaft, and a snap or a catch may be provided between the second end of the first housing and the second end of the second housing, thereby achieving a detachable connection between the second end of the first housing and the second end of the second housing. The first end and the second end of the first shell are two opposite ends of the first shell, and the first end and the second end of the second shell are two opposite ends of the second shell.
Be provided with the sealing member between first casing and second casing, like the sealing washer for guarantee the leakproofness between first casing and the second casing, avoid the rainwater to get into inside protective housing 1.
On the other hand, the embodiment of the utility model provides a still provide a photovoltaic power plant, including the photovoltaic MC4 joint protection device that any above-mentioned embodiment provided. The photovoltaic MC4 joint protection device that any embodiment of the aforesaid provided can connect 2 to photovoltaic MC4 and carry out intelligent monitoring, and convenient the maintenance has solved the problem that is not convenient for monitor, maintain photovoltaic MC4 among the prior art and connects 2. Therefore the embodiment of the utility model provides a photovoltaic power plant also has the advantage of being convenient for maintain. The embodiment of the utility model provides an in beneficial effect's of photovoltaic power plant derivation process and above-mentioned photovoltaic MC4 joint protection device's beneficial effect's derivation process is similar roughly, and it is no longer repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. A photovoltaic MC4 joint protection device, comprising:
the photovoltaic MC4 connector comprises a protective shell, a plurality of connecting pieces and a plurality of connecting pieces, wherein the protective shell is internally provided with a containing cavity for containing the photovoltaic MC4 connector, and a through hole for a cable to pass through is formed in the protective shell;
the detection element is arranged in the accommodating cavity and is used for detecting the temperature and/or the humidity in the accommodating cavity;
and the control device is electrically connected with the detection element, is set to be capable of acquiring the temperature data and/or the humidity data detected by the detection element and sending out an alarm prompt when the temperature data or the humidity data is determined to exceed a safety threshold value.
2. The photovoltaic MC4 joint protection device of claim 1, wherein the detection element is a temperature and humidity sensor;
alternatively, the detection element comprises a temperature sensor and/or a humidity sensor.
3. The photovoltaic MC4 joint protection device of claim 1, wherein a limiting post is disposed outside the protective shell, one end of the limiting post is fixed relative to the protective shell, a threading hole is disposed on the limiting post for the cable to pass through, and the threading hole is communicated with the through hole.
4. The pv MC4 joint protector as claimed in claim 1, wherein the protective enclosure has a mounting bracket configured to fix the position of the protective enclosure.
5. The photovoltaic MC4 joint protection device of claim 1, wherein the protective enclosure is filled with a fire-resistant filler.
6. The pv MC4 splice protector device of claim 1, wherein the protective enclosure comprises a first housing and a second housing, the first housing being removably attachable to the second housing.
7. The pv MC4 joint protector as defined in claim 1, wherein the protective casing is made of stainless steel.
8. The photovoltaic MC4 joint protector of claim 1, wherein the outer surface of the protective enclosure is convexly curved.
9. A photovoltaic power plant characterized by comprising a photovoltaic MC4 splice protection device as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123304778.6U CN217522794U (en) | 2021-12-24 | 2021-12-24 | Photovoltaic MC4 connects protection device and photovoltaic power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123304778.6U CN217522794U (en) | 2021-12-24 | 2021-12-24 | Photovoltaic MC4 connects protection device and photovoltaic power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217522794U true CN217522794U (en) | 2022-09-30 |
Family
ID=83368314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123304778.6U Active CN217522794U (en) | 2021-12-24 | 2021-12-24 | Photovoltaic MC4 connects protection device and photovoltaic power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217522794U (en) |
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2021
- 2021-12-24 CN CN202123304778.6U patent/CN217522794U/en active Active
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