CN220938863U - Distributed roof photovoltaic fire extinguishing curtain - Google Patents
Distributed roof photovoltaic fire extinguishing curtain Download PDFInfo
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- CN220938863U CN220938863U CN202322666215.4U CN202322666215U CN220938863U CN 220938863 U CN220938863 U CN 220938863U CN 202322666215 U CN202322666215 U CN 202322666215U CN 220938863 U CN220938863 U CN 220938863U
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- 208000027418 Wounds and injury Diseases 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 2
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- 206010016173 Fall Diseases 0.000 description 1
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Abstract
The utility model relates to the technical field of photovoltaic fireproof blankets, and discloses a distributed roof photovoltaic fire-extinguishing curtain which comprises a fixed support arranged at the upper end of a photovoltaic string support, wherein a fireproof reel and a motor are arranged on the fixed support; the utility model provides a distributed roof photovoltaic fire extinguishing curtain, which solves the problems of troublesome operation and higher danger in the prior art that a fire extinguishing blanket is manually used for extinguishing fire of a photovoltaic string.
Description
Technical Field
The utility model relates to the technical field of photovoltaic fireproof carpets, in particular to a distributed roof photovoltaic fire extinguishing curtain.
Background
The explosion and ignition probability of various technologies of the power station in the photovoltaic industry in China is very small, but the photovoltaic system is characterized in that when receiving sunlight radiation in the daytime, each group string can generate hundreds of volts of direct current voltage, the power supply cannot be immediately cut off, and the fire can be delayed to spread after the power supply is cut off, so that the combustion area is enlarged. The light weight causes huge economic loss, and the heavy weight threatens the life safety of power station owners and surrounding neighbors.
Although fire-extinguishing can be performed by corresponding fire-protection blankets on the market at present, the fire-protection blankets are complex to operate and rarely configured in the development process of the distributed photovoltaic project. The specific using method of the existing fireproof blanket is as follows: at the beginning of a fire, the fireproof blanket is quickly taken out, one holds two corners of one short side of the fireproof blanket with two hands, and the palm of the hand faces towards the chest of one's own. The other person holds two corners of the other short side of the fireproof blanket with two hands, shakes the fireproof blanket, lightly covers the fireproof blanket above the ignition component, gradually reduces the output voltage, and takes positive fire extinguishing measures until the ignition object is completely extinguished. The disadvantage of fire blanket when putting out a fire on photovoltaic module is: when the fire extinguishing personnel is not close to the fire extinguishing personnel within 8m from the fault point and enters the fire extinguishing equipment, the fire extinguishing equipment must wear insulated shoes of more than 10kV, and when the fire extinguishing equipment contacts with the equipment shell and the framework, the fire extinguishing equipment must wear insulated gloves. If the fire disaster and the fire behavior of the photovoltaic power station are large, when the firefighter is required to support the rescue, the firefighter should be reminded in advance: the roof photovoltaic device is still electrified, the direct-current side power supply can not be cut off temporarily, and the direct water can not be used for putting out the fire, and the like.
Therefore, how to provide a fire extinguishing apparatus which is convenient to operate and can improve fire extinguishing safety is an urgent problem to be solved at present.
Disclosure of utility model
The present utility model is directed to a distributed roof photovoltaic fire suppression curtain that addresses at least one of the above-identified problems of the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a distributed roof photovoltaic fire-extinguishing curtain, is including installing the fixed bolster in photovoltaic group cluster support upper end, be equipped with fire prevention reel and motor on the fixed bolster, the fire prevention reel includes pivot and winding in the epaxial fire blanket of pivot, the both ends and the fixed bolster rotation of pivot are connected, the pivot extends along the length direction of photovoltaic group cluster upper end, the pivot is connected with motor drive.
In this technical scheme, the fixed bolster is installed in photovoltaic group cluster upper end, is equipped with fire prevention reel and motor on the fixed bolster, and the motor can be realized the drive to the pivot, owing to twine in the pivot has the fire blanket, consequently, in the forward and reverse pivoted in-process of pivot, can realize the whereabouts and pack up the fire blanket, the pivot extends along the length direction of photovoltaic group cluster upper end for the fire blanket can be from the upper end of photovoltaic group cluster as the initiating terminal realization to the whole coverage of photovoltaic group cluster at the whereabouts in-process.
In conclusion, the technical scheme realizes the whole coverage of the fire blanket to the photovoltaic string through motor driving, does not need manual operation, and is more convenient; meanwhile, the problems that workers or firefighters need to ascend and roof to operate when the photovoltaic strings catch fire are avoided, space constraint is serious, and the safe fire extinguishing distance cannot be met are solved, the fire extinguishing safety is improved, the arrival time is strived for professional operation and maintenance personnel, and meanwhile, the safety of personnel, equipment property and houses is guaranteed to the greatest extent.
Further, in order to provide a support that conveniently corresponds fixed mounting with current photovoltaic group string support, can realize simultaneously the steady rest to the pivot, the fixed bolster includes two side end supports that the symmetry set up, and two side end supports include first link and second link, first link extends towards photovoltaic group string support and realizes the fixed connection of two through the bolt, second link and first link are perpendicular and upwards extend, the both ends of pivot rotate with the second link that corresponds respectively and are connected.
Further, for better realization to the stable installation of motor, be equipped with the third link on the support of arbitrary side, the motor is installed on the third link, the transmission is connected between the output shaft and the pivot of motor.
Further, in order to conveniently realize the running fit of pivot and fixed bolster and can guarantee the fire blanket winding in pivot epaxial stability, the both ends of pivot are connected with corresponding fixed bolster rotation through flange carousel respectively.
Further, in order to provide a convenient fixed mounting and stable in structure's connection structure, first link adopts the side's pipe unanimous with photovoltaic group string support size, the link of photovoltaic group string support is through first fastening bolt fixedly connected with spliced pole, the spliced pole stretches out photovoltaic group string support's one end and passes through second fastening bolt and first link fixed connection.
Further, in order to ensure smoothness in the process of lowering the fireproof blanket, a plurality of supporting wheels are arranged on the photovoltaic string at intervals, and the supporting wheels are used for supporting the fireproof blanket in the process of lowering the fireproof blanket so as to reduce friction between the fireproof blanket and an upper frame of the photovoltaic string. In order to improve the stability of the lowering movement of the fire blanket, the supporting wheels are arranged at intervals of two meters along the lowering direction of the fire blanket.
Further, in order to enable the fire blanket to fully cover the corresponding photovoltaic string, the width of the fire blanket is adapted to the width of the photovoltaic string.
Further, the motor control box is arranged at a position convenient for the operation of staff. The motor control box can be arranged at a position convenient to operate in a hospital.
Further, the photovoltaic grid-connected power supply further comprises a power supply, wherein the power supply adopts a power supply except the photovoltaic grid-connected switch, so that the situation that the photovoltaic grid-connected switch cannot be operated after an emergency is pulled open is avoided.
Further, the electric fire monitoring system also comprises a current type electric fire monitoring detector, wherein the current type electric fire monitoring detector is electrically connected with the motor controller. The fire hazard can be intelligently detected in real time, when an alarm is sent out, the fireproof blanket is quickly started to cover a fire area, the hidden danger is eliminated, and a remote control function can be configured.
The beneficial effects of the utility model are as follows: in this technical scheme, the fixed bolster is installed in photovoltaic group cluster upper end, is equipped with fire prevention reel and motor on the fixed bolster, and the motor can be realized the drive to the pivot, owing to twine in the pivot has the fire blanket, consequently, in the forward and reverse pivoted in-process of pivot, can realize the whereabouts and pack up the fire blanket, the pivot extends along the length direction of photovoltaic group cluster upper end for the fire blanket can be from the upper end of photovoltaic group cluster as the initiating terminal realization to the whole coverage of photovoltaic group cluster at the whereabouts in-process.
In conclusion, the technical scheme realizes the whole coverage of the fire blanket to the photovoltaic string through motor driving, does not need manual operation, and is more convenient; meanwhile, the problems that workers or firefighters need to ascend and roof to operate when the photovoltaic strings catch fire are avoided, space constraint is serious, and the safe fire extinguishing distance cannot be met are solved, the fire extinguishing safety is improved, the arrival time is strived for professional operation and maintenance personnel, and meanwhile, the safety of personnel, equipment property and houses is guaranteed to the greatest extent.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic perspective view of the present utility model.
In the figure: a photovoltaic string support 1; a fixed bracket 2; a first connecting frame 2.1; a second connecting frame 2.2; a third connecting frame 2.3; a motor 3; a rotating shaft 4; a first fastening bolt 5.1; a second fastening bolt 5.2; a fire blanket 6; a connecting column 7; and a flange turntable 8.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
Example 1:
As shown in fig. 1-3, the embodiment provides a distributed roof photovoltaic fire-extinguishing curtain, which comprises a fixed support 2 arranged at the upper end of a photovoltaic string support 1, wherein a fire-proof reel and a motor 3 are arranged on the fixed support 2, the fire-proof reel comprises a rotating shaft 4 and a fire-proof blanket 6 wound on the rotating shaft 4, two ends of the rotating shaft 4 are rotationally connected with the fixed support 2, the rotating shaft 4 extends along the length direction of the upper end of the photovoltaic string, and the rotating shaft 4 is in transmission connection with the motor 3.
In this technical scheme, fixed bolster 2 installs in photovoltaic string upper end, is equipped with fire prevention reel and motor 3 on the fixed bolster 2, and motor 3 can realize the drive to pivot 4, because the winding has fire blanket 6 in the pivot 4, consequently, can realize the transfer and pack up fire blanket 6 at pivot 4 forward and reverse pivoted in-process, pivot 4 extends along the length direction of photovoltaic string upper end for fire blanket 6 can be from the upper end of photovoltaic string as the beginning in the transfer in-process to realize the whole coverage of photovoltaic string.
In sum, the technical scheme realizes the whole coverage of the fire blanket 6 to the photovoltaic string by driving the motor 3, does not need manual operation, and is more convenient; meanwhile, the problems that workers or firefighters need to ascend and roof to operate when the photovoltaic strings catch fire are avoided, space constraint is serious, and the safe fire extinguishing distance cannot be met are solved, the fire extinguishing safety is improved, the arrival time is strived for professional operation and maintenance personnel, and meanwhile, the safety of personnel, equipment property and houses is guaranteed to the greatest extent.
Example 2:
This example was optimized based on example 1 above.
In order to provide a support that conveniently corresponds fixed mounting with current photovoltaic group cluster support 1, can realize simultaneously that the steady support to pivot 4, fixed bolster 2 includes two side end supports that the symmetry set up, two side end supports include first link 2.1 and second link 2.2, first link 2.1 extends and realizes the fixed connection of two through the bolt towards photovoltaic group cluster support 1, second link 2.2 is perpendicular and upwards extends with first link 2.1, the both ends of pivot 4 rotate with corresponding second link 2.2 respectively and be connected.
Example 3:
This example was optimized based on example 1 above.
In order to better realize stable installation of the motor 3, a third connecting frame 2.3 is arranged on any side end bracket, the motor 3 is arranged on the third connecting frame 2.3, and an output shaft of the motor 3 is in transmission connection with the rotating shaft 4.
Example 4:
This example was optimized based on example 1 above.
In order to conveniently realize the running fit of the rotating shaft 4 and the fixed support 2 and ensure the stability of the fire blanket 6 wound on the rotating shaft 4, two ends of the rotating shaft 4 are respectively connected with the corresponding fixed support 2 in a rotating way through flange turntables 8.
Example 5:
This example was optimized based on example 2 above.
In order to provide a convenient fixed mounting and stable in structure's connection structure, first link 2.1 adopts the square pipe that is unanimous with photovoltaic group's cluster support 1 size, and the link of photovoltaic group's cluster support 1 passes through first fastening bolt 5.1 fixedly connected with spliced pole 7, and the one end that spliced pole 7 stretches out photovoltaic group's cluster support 1 passes through second fastening bolt 5.2 and first link 2.1 fixed connection.
Example 6:
This example was optimized based on example 1 above.
In order to ensure smoothness in the process of lowering the fire blanket 6, a plurality of supporting wheels (not shown in the figure) are arranged on the photovoltaic string at intervals, and the supporting wheels are used for supporting the fire blanket 6 in the process of lowering the fire blanket 6 so as to reduce friction between the fire blanket 6 and the upper frame of the photovoltaic string. In order to improve the stability of the lowering movement of the fire blanket 6, the supporting wheels are provided one at every two meters along the lowering direction of the fire blanket 6.
Example 7:
This example was optimized based on example 1 above.
In order to enable the fire blanket 6 to fully cover the corresponding string of photovoltaic groups, the width of the fire blanket 6 is adapted to the width of the string of photovoltaic groups.
Example 8:
This example was optimized based on example 1 above.
Still include motor control box, motor control box installs the position at the staff operation of being convenient for. The motor control box can be arranged at a position convenient to operate in a hospital.
Example 9:
This example was optimized based on example 1 above.
The power supply is a power supply except the photovoltaic grid-connected switch, so that the situation that the photovoltaic grid-connected switch cannot be operated after an emergency is pulled open is avoided.
Example 10:
This example was optimized based on example 1 above.
The electric fire monitoring system also comprises a current type electric fire monitoring detector, and the current type electric fire monitoring detector is electrically connected with the motor controller. The fire hidden danger can be intelligently detected in real time, when an alarm is sent out, the fireproof blanket 6 is quickly started to cover a fire area, hidden danger is eliminated, and a remote control function can be configured.
Before installation, the fireproof blanket 6 is wound on the rotating shaft 4, and the winding process needs to be careful that the fireproof blanket 6 is wound neatly; during installation, a fixed support 2 is firstly installed on the photovoltaic string support 1 (a flange turntable 8 is reserved on the fixed support 2), supporting wheels are installed at the middle part of the photovoltaic string, the number of the supporting wheels is increased or reduced according to the length of the photovoltaic string, and the number of the supporting wheels is generally set to be one according to two meters at intervals; after the fixing bracket 2 and the supporting wheel are installed, the rotating shaft 4 wound with the fireproof blanket 6 is installed on the fixing bracket 2 through the flange turntable 8, whether the fireproof blanket 6 can normally fall down and roll up is checked, and the fireproof blanket 6 and the upper frame of the component are prevented from being unsmooth due to friction caused by the rotation of the supporting wheel in the falling and rolling up processes; the motor 3 is arranged on the fixed bracket 2, the rotating shaft 4 wound around the fireproof blanket 6 rotates along with the motor 3 to drop the fireproof blanket 6 when the motor 3 works forwards, and the rotating shaft 4 wound around the fireproof blanket 6 rotates along with the motor 3 to retract the fireproof blanket 6 when the motor 3 works backwards; the motor control box is arranged at a position convenient to operate in a hospital, the operation power supply should select a power supply except the photovoltaic grid-connected switch, and the situation that the photovoltaic grid-connected switch cannot be operated after an emergency is pulled open is avoided.
Because the characteristics of the photovoltaic system, the fire blanket equipment is too complex or the lighting of other groups of strings can be influenced after the height is increased beyond a certain range, the fire blanket equipment is not provided with a limiter, the starting time is controlled through a time switch, and the starting time is set according to the rolling-up and falling-down test time during the test.
According to the technical scheme, the electromechanical device is added on the basis of the fireproof blanket 6 based on the distributed roof photovoltaic project, so that the purposes of safe and efficient fire extinguishment are achieved, and the safety of photovoltaic operation is improved. According to the technical scheme, when accidental fire occurs in the photovoltaic string, an operator stands in a hospital to quickly drop the fireproof blanket 6, then the photovoltaic alternating-current side switch is disconnected, and finally, the operator waits for the professional operation and maintenance personnel to get out of the fault point and resumes power transmission after arriving at the scene.
The direct current output current of the photovoltaic power generation system should be reduced as much as possible before live fire extinguishment. The fire blanket 6 or fire-fighting quilt, fire blanket and fire-retardant blanket adopted by the technical proposal is a fabric woven by special treatment of glass fiber and other materials, and is a fire-fighting appliance with very soft texture. The solar energy shielding device is mainly used for shielding sunlight, so that the photovoltaic string is reduced or loses voltage, and meanwhile, a fire source is covered, air is blocked, and the aim of safely extinguishing fire is fulfilled.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A distributed roof photovoltaic fire extinguishing curtain is characterized in that: including installing the fixed bolster in photovoltaic group cluster support upper end, be equipped with fire prevention reel and motor on the fixed bolster, the fire prevention reel includes pivot and winding in pivot epaxial fire blanket, the both ends and the fixed bolster rotation of pivot are connected, the pivot extends along the length direction of photovoltaic group cluster upper end, the pivot is connected with motor drive.
2. A distributed roof photovoltaic fire curtain as defined in claim 1 wherein: the fixed bolster includes two side end supports that the symmetry set up, and two side end supports include first link and second link, first link extends towards photovoltaic group cluster support and realizes the fixed connection of two through the bolt, the second link is perpendicular and upwards extends with first link, the both ends of pivot are connected with the second link rotation that corresponds respectively.
3. A distributed roof photovoltaic fire curtain as defined in claim 1 wherein: the motor is arranged on the third connecting frame, and an output shaft of the motor is in transmission connection with the rotating shaft.
4. A distributed roof photovoltaic fire curtain as defined in claim 1 wherein: the two ends of the rotating shaft are respectively connected with the corresponding fixed brackets in a rotating way through flange turntables.
5. A distributed roof photovoltaic fire curtain as defined in claim 2 wherein: the photovoltaic group string support is characterized in that the first connecting frame is a square tube with the same size as the photovoltaic group string support, the connecting end of the photovoltaic group string support is fixedly connected with a connecting column through a first fastening bolt, and one end of the connecting column extending out of the photovoltaic group string support is fixedly connected with the first connecting frame through a second fastening bolt.
6. A distributed roof photovoltaic fire curtain as defined in claim 1 wherein: the photovoltaic group string is provided with a plurality of supporting wheels at intervals, and the supporting wheels are used for supporting the fireproof blanket in the process of lowering the fireproof blanket so as to reduce friction between the fireproof blanket and an upper frame of the photovoltaic group string.
7. A distributed roof photovoltaic fire curtain as defined in claim 1 wherein: the width of the fireproof blanket is adapted to the width of the photovoltaic string.
8. A distributed roof photovoltaic fire curtain as defined in claim 1 wherein: the motor control box is arranged at a position convenient for the operation of staff.
9. A distributed roof photovoltaic fire curtain as defined in claim 1 wherein: the photovoltaic grid-connected power supply further comprises a power supply, and the power supply adopts a power supply except the photovoltaic grid-connected switch.
10. A distributed roof photovoltaic fire curtain as defined in claim 1 wherein: the electric fire monitoring system further comprises a current type electric fire monitoring detector, and the current type electric fire monitoring detector is electrically connected with the motor controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322666215.4U CN220938863U (en) | 2023-09-28 | 2023-09-28 | Distributed roof photovoltaic fire extinguishing curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322666215.4U CN220938863U (en) | 2023-09-28 | 2023-09-28 | Distributed roof photovoltaic fire extinguishing curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220938863U true CN220938863U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322666215.4U Active CN220938863U (en) | 2023-09-28 | 2023-09-28 | Distributed roof photovoltaic fire extinguishing curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220938863U (en) |
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2023
- 2023-09-28 CN CN202322666215.4U patent/CN220938863U/en active Active
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