CN219893164U - Photovoltaic inverter heat abstractor - Google Patents
Photovoltaic inverter heat abstractor Download PDFInfo
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- CN219893164U CN219893164U CN202222567107.7U CN202222567107U CN219893164U CN 219893164 U CN219893164 U CN 219893164U CN 202222567107 U CN202222567107 U CN 202222567107U CN 219893164 U CN219893164 U CN 219893164U
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- inverter
- filter element
- heat sink
- inverter housing
- housing
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000428 dust Substances 0.000 description 14
- 238000001914 filtration Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Inverter Devices (AREA)
Abstract
The embodiment of the utility model discloses a photovoltaic inverter heat dissipation device, which comprises: the upper end and the lower end of the inverter shell comprise an air outlet and an air inlet; the filter element is positioned at the air inlet and is communicated with the inside of the inverter shell through a connecting hose; a heat radiation fan arranged at the air outlet; the connection hose is foldable and is configured to change the relative position between the filter element and the inverter housing by folding; the heat radiation fan is positioned at the air outlet and is configured to exhaust air in the inverter shell, so that external air enters the inside of the inverter shell through the air inlet through the filter element to achieve the heat radiation purpose. The utility model has good use effect, the filter element is arranged outside the inverter shell, so that the filter element is convenient to detach and clean when the filter element is required to be detached, the inside of the inverter shell is not polluted, and the use effect is good.
Description
Technical Field
The utility model relates to the technical field of photovoltaic inverters. And more particularly to a photovoltaic inverter heat sink.
Background
The photovoltaic inverter is an inverter capable of converting variable direct current voltage generated by the photovoltaic solar panel into alternating current with mains frequency, and can be fed back to a commercial power transmission system or used for an off-grid power grid. The temperature of the internal components is too high when the photovoltaic inverter is used, which can affect the normal use of the equipment, so that the photovoltaic inverter needs to be subjected to heat dissipation treatment by using a heat dissipation device, and meanwhile, a large amount of dust accumulated in the photovoltaic inverter can be caused when the photovoltaic inverter is used outside.
According to the Chinese patent with application number 202121208937.X, a filter screen is arranged when the device is used outside, dust outside can be filtered through the filter screen and is reserved on the filter screen, when the dust on the filter screen affects the heat dissipation effect too much, after the top cover is detached, the handle can be sprung up through the spring, at the moment, the handle is pulled to take out the handle together with the filter screen at the bottom from the groove, then the dust on the filter screen is cleaned, the handle is mounted on the filter screen again, and finally the top of the shell is sealed by using the top cover, so that the effect of dust removal is achieved.
However, in the prior art, a structure for filtering dust through such a filter screen to prevent the dust from entering the interior of the chassis and contacting with components is quite common, and the structure has the following drawbacks in use: when the first disassembly filter screen cleans the filter screen, the shell is required to be disassembled, which is not only troublesome, but also easy to cause short-term exposure and damage of components in the case; the second is inside the casing when the clearance filter screen, and the vibrations that so produce when taking out the filter screen lead to the dust to drop very easily and enter into inside the casing, and the dust that filters falls again and enters into inside the casing again, can influence the result of use of device on the contrary.
Disclosure of Invention
The utility model aims to provide a photovoltaic inverter heat dissipation device to solve the problems in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a photovoltaic inverter heat sink comprising:
the upper end and the lower end of the inverter shell comprise an air outlet and an air inlet;
the filter element is positioned at the air inlet and is communicated with the inside of the inverter shell through a connecting hose; and
a cooling fan arranged at the air outlet;
the connection hose is foldable and is configured to change the relative position between the filter element and the inverter housing by folding;
the heat radiation fan is positioned at the air outlet and is configured to exhaust air in the inverter shell, so that external air enters the inside of the inverter shell through the air inlet through the filter element to achieve the heat radiation purpose.
In addition, preferably, one end of the connecting hose is combined and fixed with an air inlet of the inverter housing, and the other end of the connecting hose is detachably connected with the filter element.
In addition, preferably, a fixing frame is fixedly combined at the air outlet of the inverter housing, and the fixing frame is communicated with the inside of the inverter housing.
Further, preferably, the heat radiation fan is mounted at an air outlet of the inverter case through a fixed frame;
the heat radiation fan is combined and fixed in the fixing frame.
Further, it is preferable that the heat radiation fan includes a motor and a blade integrally fixed to an output shaft of the motor.
Furthermore, it is preferable that a protection net is fixedly combined to a side of the fixing frame facing away from the inverter case.
Furthermore, preferably, the photovoltaic inverter heat dissipation device further comprises a triggering assembly, and the triggering assembly comprises:
a fixing ring positioned at the joint of the connecting hose and the inverter housing;
a control switch located on a side of the stationary ring facing away from the inverter housing; and
an alarm located on the inverter housing;
the control switch is configured to be triggered when the connection hose is contracted to contact the filter element moving with the connection hose, thereby energizing the alarm.
Further, it is preferable that the outer side surface of the inverter case is formed with a plurality of heat radiating fins configured to enhance a heat radiating effect.
Further, preferably, the bottom of the inverter case includes a connection terminal configured to be externally connected to a cable.
Furthermore, preferably, the outer side surface of the filter element comprises a screwing block configured to facilitate the detachment and the installation between the filter element and the connection hose.
The beneficial effects of the utility model are as follows:
aiming at the technical problems in the prior art, the embodiment of the utility model provides a photovoltaic inverter heat dissipation device, which has the beneficial effects that:
1. according to the utility model, dust can be prevented from entering the inside of the inverter shell when the heat is dissipated and ventilated through the filter element, and the filter element is arranged outside the inverter shell by the device, so that the filter element is convenient to detach and clean when the filter element is required, the inside of the inverter shell is not polluted, and the use effect is good.
2. When the device is used for radiating, an excellent cooling air channel can be formed, and according to the hot air rising principle, the radiating air flow of the device flows from bottom to top, so that the device can quickly carry the hot air to flow out, and the whole radiating effect of the device is better.
3. When the filter element is seriously blocked, the inside of the inverter shell forms negative pressure after the blades rotate, and external air cannot be supplemented into the inverter shell from the filter element, so that the external air pressure can push the connecting hose to fold, the filter element can be enabled to squeeze the control switch, the alarm can be enabled to work in an electrified mode, and the situation that the filter element of a worker is seriously blocked and needs to be cleaned and replaced can be improved.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Fig. 1 is a schematic diagram of an overall structure of a photovoltaic inverter heat dissipating device according to an embodiment of the present utility model.
Fig. 2 is an internal structural view of a photovoltaic inverter heat dissipation device fixing frame according to an embodiment of the present utility model.
Fig. 3 is a bottom view of a photovoltaic inverter heat dissipating device according to an embodiment of the present utility model.
Fig. 4 is an enlarged view at a in fig. 3.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
To overcome the defects of the prior art, embodiments of the present utility model provide a photovoltaic inverter heat dissipation device, which is shown in fig. 1-4, and the photovoltaic inverter heat dissipation device includes an inverter housing 1, and the inside of the inverter housing 1 is hollow. An air outlet is formed in the upper end of the inverter shell 1, and an air inlet is formed in the lower end of the inverter shell 1. The air outlet department is provided with motor 2 and blade 3, blade 3 is fixed in through the shaft coupling combination on the output shaft of motor 2, motor 2 and blade 3 constitute radiator fan, and radiator fan can upwards discharge the inside air of inverter casing 1 through the air outlet, makes the inside negative pressure that forms of inverter casing to make outside air enter into the inside of inverter casing 1 by the air intake, so form an air current circulation, the continuous lower extreme of follow inverter casing 1 flows to the upper end of air, thereby can dispel the heat to the inside components and parts of inverter casing 1.
In one embodiment, as shown in fig. 1-4, the air inlet of the inverter housing 1 includes a filter element 4, and the filter element 4 is used for filtering air entering the inverter housing 1 from the outside, so as to prevent dust from entering the inverter housing 1 along with the air, and affect the performance of components in the inverter housing 1. The filter element 4 is detachably connected to the outside of the inverter housing 1, is communicated with the inside of the inverter housing 1 through the air inlet, is convenient to operate when the filter element is required to be detached and cleaned, does not need to detach the inverter housing 1, and cannot cause unnecessary pollution to components in the inverter housing 1.
Further, as shown in fig. 4, the filter element 4 is connected to the air inlet of the inverter housing 1 through a connection hose 5, and the inside of the connection hose 5 is in communication with the inside of the inverter housing 1. The connecting hose 5 can be folded, when the filter element 4 is seriously blocked due to dust and foreign matters filtration, the heat radiation fan rotates to enable negative pressure to be formed inside the inverter housing 1, and external air cannot be supplemented into the inverter housing 1 from the filter element 4, so that the external air pressure can push the connecting hose 5 to be folded, and the relative position between the filter element 4 and the bottom wall of the inverter housing 1 can be changed.
In this embodiment, the one end of coupling hose 5 combines fixedly with the air intake department of inverter casing 1, and the other end and the filter core 4 threaded connection of coupling hose 5, filter core 4 can dismantle, conveniently cleans filter core 4. The inside of the connection hose 5 communicates with the inside of the inverter case 1, and the filter cartridge 4 communicates with the inside of the inverter case 1 through the connection hose 5, so that outside air can enter the inside of the inverter case 1 from the filter cartridge 4.
In one embodiment, as shown in fig. 4, the outer side surface of the filter element 4 includes a screwing block 40, and the filter element 4 can be conveniently turned by the screwing block 40, so that the filter element 4 can be conveniently detached and installed. As shown in fig. 4, the screwing block 40 of the photovoltaic inverter heat dissipation device provided in the present embodiment is formed on the side of the filter element 4 close to the inverter case 1.
In a specific embodiment, as shown in fig. 1, a fixed frame 6 is fixedly combined at an air outlet of the inverter housing 1, and the inside of the fixed frame 6 is communicated with the inside of the inverter housing 1.
In this embodiment, as shown in fig. 2, the heat dissipation fan is installed in a fixed frame 6, and the fixed frame 6 is used for installing and fixing the heat dissipation fan. Specifically, the motor 2 is mounted inside the fixed frame 6, centrally mounted, and the output shaft axis of the motor 2 coincides with the central axis of the fixed frame 6.
In one embodiment, the protection net 7 is arranged on one side of the fixed frame 6 away from the inverter housing 1, and the safety of the device in use can be improved through the protection net 7, so that the blade 3 can be prevented from contacting with foreign matters when rotating.
In a specific embodiment, as shown in fig. 4, the photovoltaic inverter apparatus further comprises a triggering assembly, which comprises a fixing ring 8, a control switch 9 and an alarm 10. The fixed ring 8 is positioned at the joint of the connecting hose 5 and the inverter housing 1, and the fixed ring 8 is in a ring-shaped structure, sleeved on the outer side of the connecting hose 5 and combined and fixed on the bottom wall of the inverter housing 1. The control switch 9 is formed on one side of the fixed ring 8, which is away from the inverter housing 1, and the trigger assembly comprises a plurality of control switches 9, wherein the plurality of control switches 9 are uniformly distributed on one side of the fixed ring 8, which is away from the inverter housing 1. When the filter core 4 is seriously blocked by filtering dust and foreign matters, the cooling fan rotates to enable negative pressure to be formed inside the inverter housing 1, and external air cannot be supplemented into the inverter housing 1 from the filter core 4, so that external air pressure can push the connecting hose 5 to fold, the filter core 4 moves towards a direction close to the inverter housing 1, the control switch 9 is extruded, the alarm 10 can be electrified to work, and a worker can be reminded of cleaning or replacement when the filter core 4 is seriously blocked. The alarm 10 is located on the inverter housing 1, in this embodiment, as shown in fig. 1 or fig. 2, the alarm 10 is disposed on the top wall of the inverter housing 1 and is located on one side of the fixed frame 6, and of course, the position of the alarm 10 may be changed according to the requirement, which is not limited by the present utility model.
In one embodiment, the outer side surface of the inverter casing 1 is uniformly and fixedly provided with a plurality of heat dissipation fins 11, and the natural heat dissipation effect of the inverter casing 1 can be improved through the heat dissipation fins 11.
In one embodiment, the lower end of the inverter housing 1 is fixedly connected with a connection joint 12, and other cables can be conveniently connected with the connection joint 12. The connecting joint 12 is combined and fixed on the bottom wall of the inverter housing 1 and is positioned on one side of the filter element 4.
The working principle of the photovoltaic inverter heat dissipation device provided by the embodiment is as follows: when the device is used, the inverter assembly can be installed through the hollow inverter housing 1, then heat generated by the inverter can be naturally diffused through the radiating fins 11 when the device is used, and when the self-heating diffusion cannot meet the radiating requirement, the motor 2 can drive the blades 3 to rotate, so that air inside the inverter housing 1 can be upwards discharged from the air outlet through the blades 3, negative pressure can be formed inside the inverter housing 1, then external air can enter the inside of the inverter housing 1 through the filter element 4, an airflow circulation can be formed, air continuously flows from the lower end to the upper end of the inverter housing 1, so that components inside the inverter housing 1 can be radiated, and dust can be prevented from entering the inside of the inverter housing 1 through the filter element 4. In particular, this device sets up filter core 4 outside inverter housing 1, so it is comparatively convenient when need dismantle clearance filter core 4, also can not pollute inverter housing 1 inside simultaneously, avoids causing unnecessary damage to the components and parts in the inverter housing 1. Meanwhile, when the device radiates heat, an excellent cooling air channel can be formed, according to the hot air rising principle, the radiating air flow of the device flows from bottom to top, hot air can be carried out quickly, the whole radiating effect of the device is good, when the device is used, if the filter element 4 is seriously blocked, the blades 3 rotate, negative pressure is formed inside the inverter housing 1, external air cannot be supplemented into the inverter housing 1 from the filter element 4, so that the external air pressure can push the connecting hose 5 to fold, the filter element 4 can squeeze the control switch 9, the alarm 10 can be electrified to work, and the staff can be reminded that the filter element 4 is seriously blocked, so that the cleaning activity replacement is needed.
It should be understood that the foregoing examples of the present utility model are provided merely for clearly illustrating the present utility model and are not intended to limit the embodiments of the present utility model, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present utility model as defined by the appended claims.
Claims (10)
1. A photovoltaic inverter heat sink, the photovoltaic inverter heat sink comprising:
the upper end and the lower end of the inverter shell comprise an air outlet and an air inlet;
the filter element is positioned at the air inlet and is communicated with the inside of the inverter shell through a connecting hose; and
a cooling fan arranged at the air outlet;
the connection hose is foldable and is configured to change the relative position between the filter element and the inverter housing by folding;
the heat radiation fan is positioned at the air outlet and is configured to exhaust air in the inverter shell, so that external air enters the inside of the inverter shell through the air inlet through the filter element to achieve the heat radiation purpose.
2. The photovoltaic inverter heat sink of claim 1 wherein one end of the connection hose is fixedly coupled to the air inlet of the inverter housing and the other end is removably coupled to the filter element.
3. The photovoltaic inverter heat sink of claim 1 wherein a fixed frame is bonded to the air outlet of the inverter housing, the fixed frame communicating with the interior of the inverter housing.
4. The photovoltaic inverter heat sink of claim 3 wherein the heat dissipating fan is mounted at the air outlet of the inverter housing by a fixed frame;
the heat radiation fan is combined and fixed in the fixing frame.
5. The photovoltaic inverter heat sink of claim 1 wherein the heat dissipating fan comprises an electric motor and a blade coupled to an output shaft of the electric motor.
6. A photovoltaic inverter heat sink according to claim 3 wherein the side of the fixed frame facing away from the inverter housing incorporates a protective mesh.
7. The photovoltaic inverter heat sink of claim 1 further comprising a trigger assembly comprising:
a fixing ring positioned at the joint of the connecting hose and the inverter housing;
a control switch located on a side of the stationary ring facing away from the inverter housing; and
an alarm located on the inverter housing;
the control switch is configured to be triggered when the connection hose is contracted to contact the filter element moving with the connection hose, thereby energizing the alarm.
8. The photovoltaic inverter heat sink of claim 1 wherein the outside surface of the inverter housing is formed with a plurality of heat dissipating fins configured to enhance heat dissipation.
9. The photovoltaic inverter heat sink of claim 1 wherein the bottom of the inverter housing includes a connection fitting configured to circumscribe a cable.
10. The photovoltaic inverter heat sink of claim 1 wherein the outer side surface of the filter cartridge includes a twist block configured to facilitate removal and installation between the filter cartridge and the connection hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567107.7U CN219893164U (en) | 2022-09-27 | 2022-09-27 | Photovoltaic inverter heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567107.7U CN219893164U (en) | 2022-09-27 | 2022-09-27 | Photovoltaic inverter heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219893164U true CN219893164U (en) | 2023-10-24 |
Family
ID=88399849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222567107.7U Active CN219893164U (en) | 2022-09-27 | 2022-09-27 | Photovoltaic inverter heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219893164U (en) |
-
2022
- 2022-09-27 CN CN202222567107.7U patent/CN219893164U/en active Active
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