CN220913264U - Arc fault detection device of photovoltaic inverter - Google Patents
Arc fault detection device of photovoltaic inverter Download PDFInfo
- Publication number
- CN220913264U CN220913264U CN202322710266.2U CN202322710266U CN220913264U CN 220913264 U CN220913264 U CN 220913264U CN 202322710266 U CN202322710266 U CN 202322710266U CN 220913264 U CN220913264 U CN 220913264U
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- notch
- fixedly connected
- shell
- fault detection
- arc fault
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 abstract description 2
- 241000883990 Flabellum Species 0.000 description 9
- 230000006978 adaptation Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Inverter Devices (AREA)
Abstract
The utility model discloses an arc fault detection device of a photovoltaic inverter, which comprises a shell, wherein a first notch is formed in the side wall of the shell, a mounting frame is fixedly connected to the inner side wall of the shell, which is close to the first notch, and a second motor is fixedly connected to the inner side wall of the mounting frame. According to the utility model, the first notch, the mounting frame, the second motor, the fan blades, the protective cover, the dust screen and the outer frame are arranged, the outer frame is in an annular shape and is fixedly connected with the protective cover to form an integral structure so as to support the dust screen, the outer frame is conveniently clamped with the outer frame according to the fit of the outer dimension of the outer frame and the inner dimension of the first notch, the protective cover is of a plastic framework structure, ventilation can be conveniently realized, the dust screen is of a gauze material surface, multiple holes can absorb dust in air, the dust can be prevented from entering the shell, the second motor is of the type RS555, and the fan blades can be driven to rotate by starting the second motor, so that the temperature of the interior of the shell is reduced, and the service life of the equipment is prolonged.
Description
Technical Field
The utility model relates to the technical field of arc fault detection, in particular to an arc fault detection device of a photovoltaic inverter.
Background
The photovoltaic inverter is a power adjusting device composed of semiconductor devices, and is mainly used for converting direct-current power into alternating-current power, and generally consists of a boosting loop and an inversion bridge loop, wherein the boosting loop boosts the direct-current voltage of a solar battery to the direct-current voltage required by inverter output control; the inverter bridge circuit converts the boosted DC voltage equivalently into AC voltage with common frequency.
Prior art solutions such as bulletin numbers: the utility model discloses an arc fault detection device of a photovoltaic inverter, which structurally comprises a photovoltaic inverter main body, an arc fault detection device, a wiring terminal, a switch key, bolts, control keys, a display screen, a control panel, a top plate and a radiating hole, wherein the bolts are arranged above the top plate.
The technical scheme aims at the following technical problems: when the arc fault detection device of the photovoltaic inverter is used, heat can be generated after the controller, the inductor and the motor are powered on, and the heat can be collected inside the shell of the detection device, so that the temperature is increased, and the service lives of the controller and the inductor can be reduced.
Disclosure of utility model
The utility model aims to provide an arc fault detection device of a photovoltaic inverter, which aims to solve the problems that when the arc fault detection device of the photovoltaic inverter is used in the prior art, heat is generated by a controller, an inductor and a motor after a power supply is connected, and the heat can be gathered in a shell of the detection device to cause temperature rise, so that the service lives of the controller and the inductor can be reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an arc fault detection device of photovoltaic inverter, includes the shell, notch one has been seted up on the lateral wall of shell, fixedly connected with mounting bracket on the lateral wall that the shell is close to notch one, fixedly connected with motor two on the inside wall of mounting bracket, the output position department fixedly connected with flabellum of motor two, the inside joint of notch one has the frame, fixedly connected with protection casing on the inside wall of frame, the protection casing is close to and has woven the dust screen on the lateral wall of flabellum.
Preferably, the bottom end position of the shell is fixedly connected with a plurality of sockets, and the sockets penetrate through the side wall of the shell, so that connection with external equipment is realized.
Preferably, the shell is close to the inside fixedly connected with inductor of socket, the shell is close to the inside fixedly connected with controller of inductor, socket, inductor and controller pass through circuit intercommunication in proper order.
Preferably, the shell is fixedly connected with a motor I near the inside of the controller.
Preferably, the section of notch one is protruding style of calligraphy, the inside dimension of notch one and the external dimension looks adaptation of protection casing, two notch three have been seted up to the inside wall position department symmetry of notch one, have improved the stability of notch one joint.
Preferably, two second notches are symmetrically formed in the surface position of the protective cover, two sliding connection blocks are arranged in the second notches, a pulling plate is fixedly connected to the side wall of each sliding block, a plug rod is fixedly connected to the side wall of each sliding block, which is close to the pulling plate, each pulling plate and each plug rod penetrate through the side wall of the outer frame, and the outer dimension of each plug rod is matched with the inner dimension of the third notch, so that the limiting of the outer frame is realized.
Preferably, two all fixedly connected with telescopic link on the inside wall of notch two, the equal fixed connection of the other end of telescopic link is on the lateral wall of slider, the surface position department of telescopic link has all twined the spring, has improved the stability of pegging graft of peg graft pole.
Compared with the prior art, the utility model has the beneficial effects that:
Firstly, a notch I, a mounting frame, a motor II, fan blades, a protective cover, a dust screen and an outer frame are arranged, the outer frame is in an annular shape and is fixedly connected with the protective cover to form an integral structure so as to support the dust screen, the outer frame is conveniently clamped with the outer frame according to the fit of the outer dimension of the outer frame and the inner dimension of the notch I, the protective cover is of a plastic framework structure, ventilation can be conveniently realized, dust in air can be prevented from entering the shell through dust in the porous adsorbable air on the surface of a gauze material, the model of the motor II is RS555, the fan blades can be driven to rotate by starting the motor II, and therefore the cooling of the interior of the shell is realized, and the service life of the equipment is prolonged; secondly through being provided with notch two, telescopic link, spring, plectrum, slider, plug rod and notch three, two notch two symmetries are offered in the inside of frame, and the slider is cube structure and the interior bottom end size looks adaptation of notch two, has realized spacing to the slider, can drive slider and plug rod through the plectrum and remove, makes the plug rod plug into the inside of notch three, can improve the stability of plug rod grafting under the spring force to stability and convenience that the frame was installed have been improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic front plan view of the outer frame of the present utility model;
fig. 4 is a schematic perspective view of a slider according to the present utility model.
In the figure: 1. a housing; 2. a socket; 3. an inductor; 4. a controller; 5. a first motor; 6. a notch I; 7. a mounting frame; 8. a second motor; 9. a fan blade; 10. a protective cover; 11. a dust screen; 12. an outer frame; 13. a notch II; 14. a telescopic rod; 15. a spring; 16. a pulling piece; 17. a slide block; 18. inserting a connecting rod; 19. and a notch III.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, embodiments of the present utility model are provided: the utility model provides an arc fault detection device of photovoltaic inverter, including shell 1, notch one 6 has been seted up on the lateral wall of shell 1, the 7 fixedly connected with mounting bracket 7 of mounting bracket on the inside wall that notch one 6 was close to shell 1, fixedly connected with motor two 8 on the inside wall of mounting bracket 7, mounting bracket 7 is aluminium alloy skeleton texture and is used for supporting motor two 8, output position department of motor two 8 is through coupling fixedly connected with flabellum 9, model number of motor two 8 is RS555, can drive flabellum 9 through starting motor two 8 and rotate, thereby realize cooling to the inside of shell 1, thereby improve the life of this equipment, the inside joint of notch one 6 has frame 12, the section of notch one 6 is protruding style of calligraphy, the inside size of notch one 6 and the outside size looks adaptation of protection casing 10, make things convenient for joint notch one 6, two notches three 19 have been seted up to the inside wall position department symmetry of notch one 6, fixedly connected with protection casing 10 on the inside wall of frame 12, frame 12 is cyclic annular and protection casing 10 fixedly connected with constitutes integrative structure and supports net 11, protection casing 10 is braided with dust gauze 11 on the lateral wall that protection casing 10 is close to 9, can be convenient for air gauze 11 can get into for the inside dust gauze 1 in the porous air protection material, can get into the dust gauze 1 simultaneously.
The bottom position department of shell 1 passes through bolt fixedly connected with a plurality of socket 2, and the lateral wall of shell 1 is all run through to socket 2, has realized being connected with external equipment, and the inside that shell 1 is close to socket 2 passes through bolt fixedly connected with inductor 3, and the inside that shell 1 is close to inductor 3 passes through bolt fixedly connected with controller 4, and socket 2, inductor 3 and controller 4 loop through circuit intercommunication, and the inside that shell 1 is close to controller 4 passes through bolt fixedly connected with motor 5.
Two notch second 13 have been seted up to the surface position department symmetry of protection casing 10, the inside of two notch second 13 is all sliding connection has slider 17, all fixedly connected with plectrum 16 on the lateral wall of slider 17, fixedly connected with peg graft pole 18 on the lateral wall that slider 17 is close to plectrum 16, plectrum 16 and peg graft pole 18 all run through the lateral wall of frame 12, peg graft pole 18's external dimension and notch third 19's internal dimension homofit, the spacing of frame 12 has been realized, all fixedly connected with telescopic link 14 on the inside wall of two notch second 13, the other end of telescopic link 14 is all fixedly connected with on the lateral wall of slider 17, the surface position department of telescopic link 14 all twines spring 15, the elasticity effect of spring 15 can improve peg graft pole 18 on the lateral wall of slider 17, telescopic link 14 and spring 15 synchronous flexible can improve spring 15 compression deformation's stability.
Working principle: this kind of photovoltaic inverter's arc fault detection device is when using, the first choice external power supply of operating personnel passes through bolt fastening with motor two 8 on the inside wall of mounting bracket 7, mounting bracket 7 is aluminum alloy skeleton texture, be used for supporting motor two 8, motor two 8's model is RS555, flabellum 9 passes through the coupling to be fixed at motor two 8's output, can drive flabellum 9 through starting motor two 8 and rotate, thereby realize cooling down the inside of shell 1, thereby improve the life of this equipment, frame 12 is cyclic annular and protection casing 10 fixed connection constitution integral structure and supports dust screen 11, frame 12's external dimension and notch one 6's inside dimension looks adaptation make things convenient for joint frame 12, protection casing 10 is plastics material skeleton texture can conveniently ventilate and be used for protecting flabellum 9 simultaneously, dust screen 11 is the inside that gauze material surface porous can block dust in the air entering shell 1.
Secondly, when more dust has been accumulated on the surface of dust screen 11 and has influenced the radiating effect of flabellum 9, the staff can stir plectrum 16, drive telescopic link 14 and spring 15 compression, take out notch three 19 with the plug-in rod 18 to remove spacing to frame 12, can take out protection casing 10, dust screen 11 and frame 12 from notch one 6's inside this moment, again to protection casing 10, dust screen 11, install the frame 12 to notch one 6's inside after the washing is accomplished and protect, thereby improved dust screen 11 installation and maintenance's convenience, thereby ensure the normal radiating effect of flabellum 9.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides an arc fault detection device of photovoltaic inverter, including shell (1), its characterized in that: the novel anti-dust device is characterized in that a first notch (6) is formed in the side wall of the shell (1), a mounting frame (7) is fixedly connected to the inner side wall of the shell (1) close to the first notch (6), a second motor (8) is fixedly connected to the inner side wall of the mounting frame (7), a fan blade (9) is fixedly connected to the output end position of the second motor (8), an outer frame (12) is clamped in the first notch (6), a protective cover (10) is fixedly connected to the inner side wall of the outer frame (12), and a dust screen (11) is woven on the side wall of the protective cover (10) close to the fan blade (9).
2. The arc fault detection device of a photovoltaic inverter according to claim 1, wherein: the bottom end position of the shell (1) is fixedly connected with a plurality of sockets (2), and the sockets (2) penetrate through the side wall of the shell (1).
3. The arc fault detection device of a photovoltaic inverter according to claim 2, wherein: the shell (1) is close to the inside fixedly connected with inductor (3) of socket (2), the inside fixedly connected with controller (4) that shell (1) is close to inductor (3), socket (2), inductor (3) and controller (4) pass through circuit intercommunication in proper order.
4. An arc fault detection apparatus for a photovoltaic inverter according to claim 3, wherein: the shell (1) is close to the inside of the controller (4) and is fixedly connected with a motor I (5).
5. The arc fault detection device of a photovoltaic inverter according to claim 1, wherein: the cross section of the notch I (6) is in a convex shape, the inner size of the notch I (6) is matched with the outer size of the protective cover (10), and two notches III (19) are symmetrically formed in the inner side wall of the notch I (6).
6. The arc fault detection apparatus of a photovoltaic inverter of claim 5, wherein: two notch second (13) have been seted up to the surface position department symmetry of protection casing (10), two the inside of notch second (13) is equal sliding connection has slider (17), all fixedly connected with plectrum (16) on the lateral wall of slider (17), fixedly connected with grafting pole (18) on the lateral wall that slider (17) are close to plectrum (16), the lateral wall of frame (12) is all run through to plectrum (16) and grafting pole (18), the outside size of grafting pole (18) and the inside size homofit of notch third (19).
7. The arc fault detection device for a photovoltaic inverter of claim 6, wherein: the two inner side walls of the notch II (13) are fixedly connected with telescopic rods (14), the other ends of the telescopic rods (14) are fixedly connected to the side walls of the sliding blocks (17), and springs (15) are wound on the outer surface positions of the telescopic rods (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710266.2U CN220913264U (en) | 2023-10-10 | 2023-10-10 | Arc fault detection device of photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710266.2U CN220913264U (en) | 2023-10-10 | 2023-10-10 | Arc fault detection device of photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220913264U true CN220913264U (en) | 2024-05-07 |
Family
ID=90906262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322710266.2U Active CN220913264U (en) | 2023-10-10 | 2023-10-10 | Arc fault detection device of photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220913264U (en) |
-
2023
- 2023-10-10 CN CN202322710266.2U patent/CN220913264U/en active Active
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