CN109951086B - Standby battery inverter with power-off prompt in island protection - Google Patents
Standby battery inverter with power-off prompt in island protection Download PDFInfo
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- CN109951086B CN109951086B CN201910165947.0A CN201910165947A CN109951086B CN 109951086 B CN109951086 B CN 109951086B CN 201910165947 A CN201910165947 A CN 201910165947A CN 109951086 B CN109951086 B CN 109951086B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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Abstract
The invention discloses a backup battery inverter with power failure prompt in island protection, which structurally comprises an input interface, a connecting terminal and a machine body, wherein the input interface and the connecting terminal are arranged on the same side of the machine body, a sickle-shaped moving plate is fixed by utilizing the adsorption force of a positive magnet and a negative magnet, when the current in the machine body is reduced to zero (namely the machine body is in a stop state), a radiator does not work, but the heat in the machine body still exists when internal mechanical parts do not work, and the heat cannot be sufficiently dissipated when the radiator does not work, so that the temperature in the machine body is higher, the positive magnet and the negative magnet are demagnetized, the sickle-shaped moving plate rotates along the body anticlockwise and contacts with each solid steel block to generate clattering sound, and therefore, a maintenance worker is prompted to be in the stop state and the current does not exist in the machine body, the personal safety of the maintainers can be ensured.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a standby battery inverter with a power failure prompt function in island protection.
Background
Because the photovoltaic inverter is the most important ring in the photovoltaic system, under the long-term wind-blowing and sun-drying of the photovoltaic system, maintenance personnel need to maintain the photovoltaic inverter at variable time, and the photovoltaic inverter is divided into an independent inverter, a grid-connected inverter and a standby battery inverter;
the standby battery inverter needs to cut off the power supply of a power grid when being overhauled, but the standby battery inverter is a special inverter and can provide alternating current for a specified load, when a power failure accident occurs to the power grid, the power generation of the standby battery inverter is matched with the local load on the low-voltage side of the power grid, if the power is just matched, a self-sufficient power generation maintaining state easily occurs, so that an island phenomenon occurs, and therefore an island protection function needs to be added.
Disclosure of Invention
In order to solve the problems, the invention provides a standby battery inverter with a power failure prompt in island protection.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a reserve battery dc-to-ac converter of area outage suggestion in island protection, its structure includes input interface, binding post, organism, input interface and binding post install in organism with one side, the inside of organism includes hot suggestion piece, controller, invertion bridge, radiator, hot suggestion piece is installed on the inner wall of organism and cooperatees with the radiator, the signal end and the input interface connection of controller, wherein the controller respectively with invertion bridge, radiator electric connection, be equipped with the drive end in the radiator, hot suggestion piece is equipped with hot body, sound membrane, sound generating body, the hot body is circular structure, is equipped with the sound generating body on its circumference, and this sound generating body cooperatees with the sound membrane.
As a further development of the invention, the acoustic membrane is embedded on both sides of the thermal body.
As a further improvement of the invention, the sounding body is provided with a plurality of solid steel blocks.
As a further improvement of the invention, the interior of the sound film comprises a positive magnet, a support rod, a sickle-shaped moving piece, a roller and a negative magnet, wherein the positive magnet and the negative magnet are mutually attracted, the negative magnet is arranged at the tip position of the sickle-shaped moving piece, the sickle-shaped moving piece is movably matched with the roller, the support rod is vertically fixed on the sickle-shaped moving piece, and the top end of the support rod is fixed on the inner side of the sound generator.
As a further improvement of the invention, the sickle-shaped moving plate is indirectly contacted with the solid steel block.
As a further improvement of the invention, the support rod is matched with a reciprocating rebounding structure, the reciprocating rebounding structure is provided with an external ball, a return spring and an internal ball, the return spring is matched between the external ball and the internal ball, and the return spring surrounds the outer surface of the roller.
As a further improvement of the invention, the inscribed ball is fixed on the sickle-shaped movable sheet.
As a further improvement of the invention, one end of the external ball which protrudes out of the sickle-shaped moving plate is vertically fixed with the supporting rod.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the thermal prompting piece is matched with the radiator in the machine body, and when the radiator works, namely a current signal exists, the temperature in the machine body can be reduced by the working of the radiator, so that the overheating and the demagnetization of the anode magnet and the cathode magnet in the thermal prompting piece are avoided.
2. The sickle-shaped moving plate is fixed by utilizing the adsorption force of the anode magnet and the cathode magnet, when the current in the machine body is reduced to zero (namely the machine body is in a shutdown state), the radiator does not work, but the heat in the machine body still exists when the internal mechanical parts do not work, and the heat cannot be sufficiently dissipated when the radiator does not work, so that the temperature in the machine body is higher, the anode magnet and the cathode magnet are demagnetized, the sickle-shaped moving plate rotates along the heat body anticlockwise to be in contact with each solid steel block, a clattering sound is generated, the machine body of an overhaul personnel is prompted to be in the shutdown state, the current does not exist in the machine body, and the personal safety of the overhaul personnel can be ensured.
3. The solid steel block is made of steel, so that adsorption reaction with the cathode magnet cannot occur under the rotating and knocking action of the sickle-shaped moving piece, and meanwhile, the solid steel block and the sound film act simultaneously, so that the knocking sound can be ensured to be louder, and a maintainer can be clearly prompted even in an outdoor noisy environment.
4. The sickle-shaped moving plate is matched with the reciprocating resilience structure together, one fulcrum of the return spring is fixed by the outer connecting ball and the supporting rod, the other fulcrum of the return spring is connected with the inner connecting ball, and the inner connecting ball extrudes the return spring in the same direction when the sickle-shaped moving plate moves, so that the sickle-shaped moving plate can realize continuous knocking prompt under the reciprocating elasticity of the return spring, and the phenomenon that the maintainers cannot be maximally prompted by short prompt is avoided.
Drawings
Fig. 1 is a schematic diagram of an appearance structure of a backup battery inverter with a power failure prompt in island protection according to the present invention.
Fig. 2 is a schematic diagram of an internal structure of a backup battery inverter with a power failure prompt in islanding protection according to the present invention.
Fig. 3 is a schematic structural view of a thermal cue piece of the present invention.
Fig. 4 is a schematic view of the internal plan structure of the thermal cue piece of the present invention.
FIG. 5 is a schematic view of the back structure of the sickle-shaped rotor of the present invention.
In the figure: the device comprises an input interface-1, a wiring terminal-2, a machine body-3, a thermal prompting piece-31, a controller-32, an inverter bridge-33, a radiator-34, a driving end-341, a thermal body-311, an acoustic membrane-312, a sound producing body-313, a solid steel block-13 a, a positive magnet-12 a, a support rod-12 b, a sickle-shaped moving piece-12 c, a roller-12 d, a negative magnet-12 e, an external connecting ball-b 1, a return spring-b 2 and an internal connecting ball-b 3.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the present invention easy to understand, fig. 1 to 5 schematically show the structure of a backup battery inverter according to an embodiment of the present invention, and the present invention will be further described with reference to the following detailed description.
Examples
As shown in fig. 1-5, the present invention provides a backup battery inverter with outage notification in islanding protection, the structure of the device comprises an input interface 1, a wiring terminal 2 and a machine body 3, wherein the input interface 1 and the wiring terminal 2 are arranged on the same side of the machine body 3, the machine body 3 comprises a thermal prompting element 31, a controller 32, an inverter bridge 33 and a radiator 34, the thermal prompting piece 31 is arranged on the inner wall of the machine body 3 and is matched with the radiator 34, the signal end of the controller 32 is connected with the input interface 1, wherein the controller 32 is electrically connected to the inverter bridge 33 and the heat sink 34, respectively, the heat sink 34 has a driving end 341, the thermal prompting piece 31 is provided with a thermal body 311, an acoustic membrane 312 and a sounding body 313, wherein the thermal body 311 is of a circular structure, on the circumferential surface thereof, a sounding body 313 is provided, and the sounding body 313 is fitted with the acoustic membrane 312.
The acoustic membrane 312 is embedded on both sides of the thermal body 311.
The sounding body 313 is provided with a plurality of solid steel blocks 13 a.
The inside of sound membrane 312 is including anodal magnet 12a, branch 12b, sickle-shaped moving plate 12c, gyro wheel 12d, negative pole magnet 12e, anodal magnet 12a and negative pole magnet 12e attract each other, negative pole magnet 12e establishes the most advanced position at sickle-shaped moving plate 12c, sickle-shaped moving plate 12c and gyro wheel 12d clearance fit, branch 12b vertical fixation is on sickle-shaped moving plate 12c, just branch 12b top is fixed at the sound production body 313 inboard.
The sickle-shaped movable plate 12c is indirectly contacted with the solid steel block 13 a.
The support rod 12b is matched with a reciprocating rebounding structure, the reciprocating rebounding structure is provided with an external ball b1, a return spring b2 and an internal ball b3, a return spring b2 is matched between the external ball b1 and the internal ball b3, and the return spring b2 surrounds the outer surface of the roller 12 d.
The inner catching ball b2 is fixed on the sickle-shaped moving plate 12 c.
One end of the external connecting ball b1 protruding out of the sickle-shaped movable plate 12c is vertically fixed with the supporting rod 12 b.
The following is a description of the operation principle of the backup battery inverter in the above technical solution:
when the power grid has an unexpected power failure or an autonomous power failure, a power grid person needs to overhaul a circuit of the inverter, before the overhaul, the current inside the inverter must be guaranteed to be zero, when the island effect protection function inside the machine body 3 is partially damaged to cause shutdown damage (namely, current still exists), and the overhaul person cannot directly know, because the current exists inside the machine body, the radiator 34 works, so the thermal prompting piece 31 does not operate, at the moment, when the overhaul person does not receive the prompt, the island effect protection function inside the machine body is already damaged, and at the moment, the overhaul person needs to stop overhaul the inverter; on the contrary, if the dc-to-ac converter is when complete shutdown state, radiator 34 is out of work, and the inside spare part heat of organism 3 can't be dispelled completely, the inside temperature of organism is higher, lead to anodal magnet 12a and negative pole magnet 12e to lose magnetism, will utilize the fixed sickle-shaped moving plate 12c disconnection of magnetic adsorption, kick-back anticlockwise under reset spring b 2's cooperation, at the resilience in-process, the tip of sickle-shaped moving plate 12c and solid steel block 13a collision send the sound of clattering, cooperate sound membrane 312 simultaneously with the sound output maximize, in order to indicate that maintainer organism 3 has been in the state of complete shutdown and can in time overhaul, can guarantee maintainer's personal safety in overhauing.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (4)
1. The utility model provides a spare battery inverter who takes outage suggestion in island protection, its structure includes input interface (1), binding post (2), organism (3), its characterized in that:
the input interface (1) and the wiring terminal (2) are arranged on the same side of the machine body (3), the machine body (3) comprises a thermal prompting piece (31), a controller (32), an inverter bridge (33) and a radiator (34) inside, the thermal prompting piece (31) is arranged on the inner wall of the machine body (3) and matched with the radiator (34), a signal end of the controller (32) is connected with the input interface (1), and the controller (32) is electrically connected with the inverter bridge (33) and the radiator (34) respectively;
the heat radiator (34) is internally provided with a driving end (341), the thermal prompting piece (31) is provided with a thermal body (311), a sound film (312) and a sounding body (313), the thermal body (311) is of a circular structure, the sounding body (313) is arranged on the circumferential surface of the thermal body (311), and the sounding body (313) is matched with the sound film (312);
the acoustic membrane (312) is embedded on both sides of the thermal body (311);
the sounding body (313) is provided with a plurality of solid steel blocks (13 a);
the inside of sound membrane (312) is including anodal magnet (12a), branch (12b), sickle-shaped moving plate (12c), gyro wheel (12d), negative pole magnet (12e), anodal magnet (12a) and negative pole magnet (12e) attract each other, the most advanced position at sickle-shaped moving plate (12c) is established in negative pole magnet (12e), sickle-shaped moving plate (12c) and gyro wheel (12d) clearance fit, branch (12b) vertical fixation is on sickle-shaped moving plate (12c), just branch (12b) top is fixed in phonate (313) inboard.
2. The backup battery inverter with outage prompt in islanding protection according to claim 1, wherein: the sickle-shaped moving plate (12c) is indirectly contacted with the solid steel block (13 a).
3. The backup battery inverter with outage prompt in islanding protection according to claim 1, wherein: branch (12b) cooperation has reciprocal resilience structure, reciprocal resilience structure is provided with external ball (b1), reset spring (b2), inscription ball (b3), the cooperation has reset spring (b2) between external ball (b1) and inscription ball (b3), reset spring (b2) encircle the surface at gyro wheel (12d), external ball (b1) protrusion is in the one end and branch (12b) vertical fixation of sickle-shaped moving plate (12 c).
4. The backup battery inverter with outage prompt in islanding protection according to claim 3, wherein: the inner catching ball (b2) is fixed on the sickle-shaped moving plate (12 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165947.0A CN109951086B (en) | 2019-03-06 | 2019-03-06 | Standby battery inverter with power-off prompt in island protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165947.0A CN109951086B (en) | 2019-03-06 | 2019-03-06 | Standby battery inverter with power-off prompt in island protection |
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| Publication Number | Publication Date |
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| CN109951086A CN109951086A (en) | 2019-06-28 |
| CN109951086B true CN109951086B (en) | 2020-09-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103683996B (en) * | 2012-08-31 | 2016-08-17 | 西门子公司 | an inverter |
| US9466995B2 (en) * | 2013-11-07 | 2016-10-11 | Stored Energy Systems, a Limited Liability Company | Self-contained automatic battery charging systems and methods |
| CN205193961U (en) * | 2015-12-11 | 2016-04-27 | 杭州天冠科技有限公司 | Alarm |
| CN106357127A (en) * | 2016-10-26 | 2017-01-25 | 湖北盛弘电力技术开发有限公司 | Box-type photovoltaic inverter |
| US10743376B2 (en) * | 2017-04-04 | 2020-08-11 | Atse, Llc | High power switching devices for inductive heating applications |
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Effective date of registration: 20200807 Address after: No.242, Taihe village, Huandong street, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: Zhuji Jibei Electromechanical Technology Co.,Ltd. Address before: No. 30, 150 meters northwest of Huayi stone slab, Fuluoyang Town, Taiwanese Investment District, Quanzhou City, Fujian Province Applicant before: QUANZHOU TAIWANESE INVESTMENT ZONE CHANGFANG DESIGN Co.,Ltd. |
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Effective date of registration: 20211223 Address after: 504-1, Hengsen building, No. 82, Dongyi Road, Huandong street, Zhuji City, Shaoxing City, Zhejiang Province, 311800 Patentee after: Zhejiang Hengyi new energy Co.,Ltd. Address before: 311800 No. 242, Taihe village, Huandong street, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Zhuji Jibei Electromechanical Technology Co.,Ltd. |
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Denomination of invention: A backup battery inverter with power-off prompt in island protection Effective date of registration: 20220726 Granted publication date: 20200908 Pledgee: Shaoxing Zhuji small and micro enterprise exclusive sub branch of Bank of Taizhou Co.,Ltd. Pledgor: Zhejiang Hengyi new energy Co.,Ltd. Registration number: Y2022980011205 |
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Granted publication date: 20200908 Pledgee: Shaoxing Zhuji small and micro enterprise exclusive sub branch of Bank of Taizhou Co.,Ltd. Pledgor: Zhejiang Hengyi new energy Co.,Ltd. Registration number: Y2022980011205 |
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