CN117767772B - Photovoltaic energy storage inverter with self-protection limiting function - Google Patents
Photovoltaic energy storage inverter with self-protection limiting function Download PDFInfo
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- CN117767772B CN117767772B CN202410198982.3A CN202410198982A CN117767772B CN 117767772 B CN117767772 B CN 117767772B CN 202410198982 A CN202410198982 A CN 202410198982A CN 117767772 B CN117767772 B CN 117767772B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of photovoltaic energy storage inverters, and particularly relates to a photovoltaic energy storage inverter with a self-protection limiting function, which comprises a shell assembly provided with a photovoltaic energy storage inverter component, a protection assembly with a self-protection function and a linkage assembly with an automatic detachment installation position; after various parts of photovoltaic energy storage inverter are assembled through the shell component, the output end of the motor is utilized to drive the protection component to rotate, so that the shell component is in a closed protection state or an open disassembly state, when the protection component is in the open disassembly state, the direct current circuit breaker and the alternating current circuit breaker which are installed on the shell component are automatically disconnected through the rotated protection component, the safety of the disassembly of operators is improved, the protection component can also be used for abutting against the activity of the linkage component, the linkage component is quickly separated from the installation position, and the operation personnel can conveniently disassemble after reaching the scene.
Description
Technical Field
The invention belongs to the technical field of photovoltaic energy storage inverters, and particularly relates to a photovoltaic energy storage inverter with a self-protection limiting function.
Background
Solar photovoltaic power generation systems are becoming mature, and the development of inverters is promoted more rapidly. The inverter is a heart of a photovoltaic system, all electricity generated by the solar cell panel can be output outwards only through the processing of the inverter, and the inverter plays an important role in the operation of the whole system.
Through searching, in the prior art, china patent publication No. CN212162823U, the date of the grant notice: 2020-12-15 discloses a grid-connected inverter, including protection casing and dc-to-ac converter main part, protection casing internal face laminating is fixed with the protection piece, and protection casing top is equipped with the top cap, the fixed spring that is equipped with in top cap bottom, spring bottom fixedly connected with clamp plate, the heat dissipation mouth has been offered in opposition on the protection casing both sides casing, and five groups of wire mouths have been offered to protection casing bottom, wire mouths internal face laminating is fixed with the anti-friction ring, and the observation mouth has been offered in protection casing front outside. This grid-connected inverter is used for placing the dc-to-ac converter main part through setting up the protection piece in the protective housing, sets up the top cap and is used for the work of sealing at protective housing top, sets up spring and clamp plate and is used for steady voltage to hold the dc-to-ac converter main part, prevents that it from rocking and causing the damage to realize the heat dissipation work in the protective housing through the thermovent, be used for wearing to establish the wire through the anti-friction ring, and can effectively reduce the wearing and tearing of wire, set up the installation fixed work of protective housing of being convenient for of installation piece.
The device still has the following drawbacks: although the abrasion of the lead can be effectively reduced, the installation block is convenient for the installation and fixation work of the protection shell, but the protection shell does not have the self-protection function, the power supply equipment cannot be automatically cut off when the shell is overhauled, and certain potential safety hazards exist when the operator is easy to detach, so that the protection shell is not beneficial to the daily use of the operator.
Disclosure of Invention
In view of the above problems, the invention provides a photovoltaic energy storage inverter with a self-protection limit function, which comprises a shell assembly provided with a photovoltaic energy storage inverter component, a protection assembly with a self-protection function and a linkage assembly with an automatic detachment installation position; the utility model discloses a motor, including casing subassembly, protection subassembly, linkage subassembly, protection subassembly and linkage subassembly, a side wall fixedly connected with motor of casing subassembly, just another lateral wall fixedly connected with gas injection pump of casing subassembly, protection subassembly rotates to be connected at the inner wall of casing subassembly, just casing subassembly is open structure, the one end of protection subassembly is connected with the output transmission of motor, just the other end of protection subassembly communicates with each other with the gas injection pump, the linkage subassembly activity runs through the outer wall at casing subassembly and keeps away from one side of protection subassembly, protection subassembly is contradicted with the linkage subassembly activity and is connected.
Further, the housing assembly includes a fitting housing and a reset mechanism; the assembly shell is of an open structure, the top end of the inner wall of the assembly shell is fixedly connected with an assembly panel, first through holes are formed in two ends of the top of the assembly panel, a plurality of groups of heat conduction holes are formed in the bottom of the assembly panel, a plurality of groups of power connectors are arranged at the bottom of the assembly shell, and a plurality of groups of power connectors are electrically connected with cables.
Further, the second through-hole has all been seted up to the inner wall of assembly casing and be close to the corner, the outer wall of assembly casing and be close to one side movable joint of power connection have canceling release mechanical system, one side of canceling release mechanical system is provided with direct current breaker, just canceling release mechanical system's opposite side is provided with alternating current breaker, direct current breaker and the equal fixed connection of alternating current breaker are at the inner wall of assembly casing, just all be provided with knife switch on direct current breaker and the alternating current breaker, the inner wall of assembly casing rotates and is connected with the driven tube, the one end and the output transmission of motor of driven tube are connected, the other end and the output rotation of gas injection pump of driven tube are connected and communicate each other, the outer wall fixedly connected with two sets of locating sleeves of driven tube, just the guiding gutter has still been seted up to the outer wall of driven tube.
Further, the reset mechanism comprises a linkage block; the linkage piece is rectangular structure, the linkage piece runs through and the movably attached connection is at the outer wall of assembly casing, the tip fixedly connected with of linkage piece is two sets of archs, two sets of bellied outer wall all is provided with compression spring, and two sets of the equal movable conflict of the other end of compression spring is connected at the inner wall of assembly casing.
Further, the guard assembly includes an upper guard plate; the bottom of going up the guard plate is provided with down the guard plate, just lower guard plate size is less than the size of last guard plate, the cross-section width of lower guard plate is less than the inner wall width of assembly casing, just lower guard plate rotates to be connected in the assembly casing.
Further, the tip of guard plate runs through and sliding connection has the shield plate down, the inner wall embedding of shield plate installs the metal shielding layer, a lateral wall fixedly connected with of guard plate down two sets of linkage boards, and two sets of the axis of guard plate is the symmetry setting for the center under the linkage board, two sets of the tip of linkage board all is with the outer wall fixed connection of position sleeve.
Further, the linkage assembly comprises a linkage frame; the bottom one side fixedly connected with protection shield of linkage frame, just the junction of protection shield and linkage frame is the right angle setting, the outer wall of linkage frame and be close to one side and the one end fixed connection of linkage piece of protection shield, a plurality of groups adjustment tank have been seted up to the surface of protection shield, a plurality of groups the quantity of adjustment tank is the same with a plurality of groups power connection's quantity, and a plurality of groups the adjustment tank activity cup joints the outer wall at a plurality of groups power connection.
Further, a plurality of groups the inner wall both ends of adjustment tank all are provided with temperature sensor, the outer wall of linkage frame and be close to the one side fixedly connected with two sets of first guide bars of protection shield, the outer wall of linkage frame and the one side of keeping away from the protection shield still fixedly connected with two sets of second wire poles.
Further, two sets of first guide bar and two sets of second wire pole are the symmetry and set up with the axis of linkage frame as the center, two sets of first guide bar and two sets of second wire pole all run through and sliding connection at the inner wall of second through-hole, two sets of first guide bar and two sets of the outside of second wire pole has all cup jointed the spring, just the equal movable conflict of spring is connected at the inner wall of assembly casing.
Further, two sets of first guide bar and two sets of the tip of second wire pole all is provided with anti-drop's spacing portion, two sets of the length of second wire pole is all greater than the length of two sets of first guide bar, two sets of the tip of second wire pole extends to in the first through-hole, and two sets of the tip of second wire pole all is connected with last guard plate activity magnetism absorption.
The beneficial effects of the invention are as follows:
1. After various parts of photovoltaic energy storage dc-to-ac converter are assembled through the casing subassembly, utilize the output of motor to drive the protection subassembly and rotate, make the casing subassembly be closed protection state or open dismantlement state, when the protection subassembly is open dismantlement state, the protection subassembly after rotating carries out automatic disconnection with direct current circuit breaker and the alternating current circuit breaker of installing on the casing subassembly, the security that the improvement operating personnel was dismantled, and the protection subassembly can also be contradicted to the linkage subassembly activity, make the linkage subassembly break away from with the mounted position fast, make things convenient for the operating personnel to arrive the scene after dismantling.
2. The output end of the motor drives the driven tube to rotate, so that the upper protection plate and the lower protection plate rotate by taking the positioning sleeve as the center, when the upper protection plate and the lower protection plate are in a vertical state, the shielding plate slides out from the end part of the lower protection plate, rainwater is prevented from entering the direct current breaker and the alternating current breaker to cause other interferences such as short circuit and the like by using the shielding plate, and the sealing effect of the photovoltaic energy storage inverter under the protection state is improved.
3. In-process that is the vertical state through last guard plate and lower guard plate utilizes the tip of shield plate slowly to accomodate to the inside of lower guard plate, forms shielding isolation layer to between a plurality of sets of power connection and direct current circuit breaker, the alternating current circuit breaker under the effect of shield plate for blocking the interference between, produce excessive electromagnetic radiation after reducing the outage, and contradict linkage piece, direct current circuit breaker and alternating current circuit breaker when lower guard plate is close to the horizontality, improved photovoltaic energy storage dc-to-ac inverter anti-interference's effect under the self-disassembly state.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structural diagram of a photovoltaic energy storage inverter according to an embodiment of the present invention;
FIG. 2 shows a schematic structural view of a housing assembly according to an embodiment of the present invention;
FIG. 3 shows a schematic structural view of a housing assembly according to an embodiment of the present invention;
FIG. 4 shows a schematic structural view of a driven pipe according to an embodiment of the present invention;
FIG. 5 shows a schematic structural view of a reset mechanism according to an embodiment of the present invention;
FIG. 6 shows a schematic structural view of a protective assembly according to an embodiment of the present invention;
Fig. 7 shows a schematic structural view of a linkage assembly according to an embodiment of the present invention.
In the figure: 1. a housing assembly; 11. assembling a shell; 12. assembling a panel; 13. a first through hole; 14. a heat conduction hole; 15. a power supply connector; 16. a cable; 17. a second through hole; 18. a reset mechanism; 181. a linkage block; 182. a protrusion; 183. a compression spring; 19. a direct current breaker; 110. an alternating current circuit breaker; 111. a driven tube; 112. a positioning sleeve; 113. a diversion trench; 2. a motor; 3. a gas injection pump; 4. a protective assembly; 41. an upper protection plate; 42. a lower protection plate; 43. a shielding plate; 44. a linkage plate; 5. a linkage assembly; 51. a linkage frame; 52. a protective plate; 53. an adjustment tank; 54. a first guide bar; 55. and a second wire rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a photovoltaic energy storage inverter with a self-protection limiting function, which comprises a shell assembly 1 provided with a photovoltaic energy storage inverter component, a protection assembly 4 with a self-protection function and a linkage assembly 5 with an automatic detachment installation position; as illustrated by way of example in fig. 1.
The utility model discloses a motor, including casing subassembly 1, protection subassembly 4, motor 2 is connected with one side wall fixedly connected with of casing subassembly 1, just another lateral wall fixedly connected with gas injection pump 3 of casing subassembly 1, protection subassembly 4 rotates to be connected at the inner wall of casing subassembly 1, just casing subassembly 1 is open structure, the one end of protection subassembly 4 is connected with motor 2's output transmission, just the other end and the gas injection pump 3 intercommunication of protection subassembly 4 each other, link assembly 5 activity run through at casing subassembly 1's outer wall and keep away from one side of protection subassembly 4, protection subassembly 4 is connected with link assembly 5 activity conflict.
Specifically, after the casing subassembly 1 is assembled to various parts of photovoltaic energy storage dc-to-ac converter, utilize the output of motor 2 to drive protection component 4 and rotate, make casing subassembly 1 be closed protection state or open dismantlement state, when protection component 4 is open dismantlement state, protection component 4 after rotating carries out automatic disconnection with direct current circuit breaker and the alternating current circuit breaker of installing on the casing subassembly 1, the security that improvement operating personnel dismantled, and protection component 4 can also be contradicted the activity of linkage subassembly 5, make linkage subassembly 5 break away from with the mounted position fast, make things convenient for the operating personnel to arrive behind the scene and dismantle.
The housing assembly 1 comprises a fitting housing 11 and a reset mechanism 18; as illustrated by way of example in fig. 2, 3 and 4.
The assembly casing 11 is open structure, just the inner wall top fixedly connected with assembly panel 12 of assembly casing 11, first through-hole 13 has all been seted up at the top both ends of assembly panel 12, a plurality of groups of heat conduction holes 14 have been seted up to the bottom of assembly panel 12, the bottom of assembly casing 11 is provided with a plurality of groups of power connection 15, and a plurality of groups electric connection has cable 16 on the power connection 15, the second through-hole 17 has all been seted up to the inner wall of assembly casing 11 and be close to the corner, the outer wall of assembly casing 11 and the one side movable joint that is close to power connection 15 have canceling release mechanism 18, one side of canceling release mechanism 18 is provided with direct current breaker 19, just the opposite side of canceling release mechanism 18 is provided with alternating current breaker 110, direct current breaker 19 and alternating current breaker 110 are all fixedly connected at the inner wall of assembly casing 11, just all be provided with the knife switch on direct current breaker 19 and the alternating current breaker 110, the inner wall rotation of assembly casing 11 is connected with driven pipe 111, driven pipe 111's one end and motor 2's output end and output guide duct 111 and the output end 3 of being connected with driven pipe 111, driven pipe 111 and two sets of output pipe 111 rotation are connected with each other, driven pipe 111 and the fixed connection has the output pipe 111.
The reset mechanism 18 comprises a linkage block 181; as illustrated by way of example in fig. 5.
The linkage block 181 is rectangular structure, the linkage block 181 runs through and the activity laminating is connected at the outer wall of assembly casing 11, the tip fixedly connected with of linkage block 181 two sets of protruding 182, two sets of protruding 182's outer wall all is provided with compression spring 183, and two sets of the equal activity of the other end of compression spring 183 is contradicted and is connected at the inner wall of assembly casing 11.
Specifically, the assembly panel 12 is used for installing electric equipment of the photovoltaic energy storage inverter, and wrapping the electric equipment of the photovoltaic energy storage inverter after installation between the assembly shell 11 and the assembly panel 12, so that the electric equipment of the photovoltaic energy storage inverter is in a protected state;
The output end of the motor 2 drives the driven tube 111 to rotate, so that the protection component 4 rotates around the driven tube 111, and the end parts of the protection component 4 are synchronously in contact with and connected to the linkage block 181, the direct current breaker 19 and the alternating current breaker 110 while the protection component 4 rotates, and when the direct current breaker 19 and the alternating current breaker 110 are contacted by the end parts of the protection component 4, the knife switch on the direct current breaker 19 and the alternating current breaker 110 is closed simultaneously to cut off the power supply function of direct current and alternating current;
When the motor 2 drives the driven tube 111 to rotate, the assembly shell 11 is in an open disassembly state, the diversion trench 113 on the driven tube 111 rotates to the bottoms of the groups of heat conduction holes 14, and in a state that the gas injection pump 3 continuously works, gas is converged in the driven tube 111 and is diffused to the positions of the groups of heat conduction holes 14 by the diversion trench 113, and electric equipment of the photovoltaic energy storage inverter mounted on the assembly panel 12 is cooled and radiated through the groups of heat conduction holes 14.
The guard assembly 4 includes an upper guard plate 41; as illustrated by way of example in fig. 6.
The bottom of going up guard plate 41 is provided with down guard plate 42, just the size of guard plate 42 is less than the size of going up guard plate 41 down, the cross-section width of guard plate 42 is less than the inner wall width of assembly casing 11 down, just guard plate 42 rotates and connects in assembly casing 11 down, the tip of guard plate 42 runs through and sliding connection has shield 43 down, the inner wall embedding of shield 43 installs the metal shielding layer, a lateral wall fixedly connected with two sets of linkage plates 44 of lower guard plate 42, and two sets of linkage plates 44 are the symmetry setting about the axis of guard plate 42 down, two sets of the tip of linkage plates 44 all with the outer wall fixed connection of spacer sleeve 112.
Further, the end of the lower protection plate 42 and the side near the shielding plate 43 are movably connected with the linkage block 181, the dc breaker 19 and the ac breaker 110 in a collision manner.
Specifically, the end of the linkage plate 44 is fixed to the positioning sleeve 112, so that the upper protection plate 41 and the lower protection plate 42 rotate around the positioning sleeve 112, when the upper protection plate 41 and the lower protection plate 42 are in a vertical state, the shielding plate 43 slides out from the end of the lower protection plate 42, and other interferences such as short circuit and the like caused by rainwater entering the direct current breaker 19 and the alternating current breaker 110 are prevented by the shielding plate 43, when the upper protection plate 41 and the lower protection plate 42 are in a vertical state, the end of the shielding plate 43 is slowly stored in the lower protection plate 42, and a shielding isolation layer is formed between the power connectors 15 and the direct current breaker 19 and the alternating current breaker 110 in a plurality of groups under the action of the shielding plate 43, so that interference among the shielding isolation layers is blocked, excessive electromagnetic radiation is generated after power failure is reduced, and when the lower protection plate 42 is close to a horizontal state, the linkage block 181, the direct current breaker 19 and the alternating current breaker 110 are in a collision connection.
The linkage assembly 5 comprises a linkage frame 51; as illustrated by way of example in fig. 7.
The bottom end side of the linkage frame 51 is fixedly connected with a protection plate 52, the connection part of the protection plate 52 and the linkage frame 51 is arranged at a right angle, one side, close to the protection plate 52, of the outer wall of the linkage frame 51 is fixedly connected with one end of the linkage block 181, a plurality of groups of adjusting grooves 53 are formed in the surface of the protection plate 52, the number of the groups of adjusting grooves 53 is the same as that of the groups of power connectors 15, the groups of adjusting grooves 53 are movably sleeved on the outer walls of the groups of power connectors 15, temperature sensors are arranged at two ends of the inner wall of the adjusting grooves 53, two groups of first guide rods 54 are fixedly connected to one side, close to the protection plate 52, of the outer wall of the linkage frame 51 is fixedly connected with two groups of second guide rods 55, the two sets of first guide bar 54 and two sets of second wire pole 55 are the symmetry and set up with the axis of linkage frame 51 as the center, two sets of first guide bar 54 and two sets of second wire pole 55 all run through and sliding connection at the inner wall of second through-hole 17, two sets of first guide bar 54 and two sets of the outside of second wire pole 55 has all cup jointed the spring, just the equal movable conflict of spring is connected at the inner wall of assembly casing 11, two sets of first guide bar 54 and two sets of the tip of second wire pole 55 all are provided with the spacing portion of anti-drop, two sets of the length of second wire pole 55 all is greater than the length of two sets of first guide bar 54, two sets of the tip of second wire pole 55 extends to in the first through-hole 13, and two sets of the tip of second wire pole 55 all is connected with last guard plate 41 movable magnetic adsorption.
Specifically, the linkage frame 51 is fixedly connected with the linkage block 181, so that when the linkage block 181 is movably abutted by the lower protection plate 42, the linkage frame 51 can be pushed, the linkage frame 51 is separated from the assembly shell 11, a connecting piece between the linkage frame 51 and the assembly shell 11 is automatically disconnected, an operator can conveniently detach the connecting piece, the bottom of the assembly shell 11 is protected by the protection plate 52, temperature sensors are arranged at two ends in the regulating groove 53, the power connector 15 in different working or detaching states is detected in the outer wall temperature, the running safety of equipment is improved, and under the action of the sleeving springs of the first guide rods 54 and the second guide rods 55, the linkage frame 51 can be reset after the protection assembly 4 is in a closed state, and the protection assembly 4 is adsorbed by the end parts of the second guide rods 55, so that the protection assembly 4 is in a stable state.
The photovoltaic energy storage inverter with the self-protection limiting function provided by the embodiment of the invention has the following working principle:
The output end of the motor 2 drives the driven tube 111 to rotate, so that the upper protection plate 41 and the lower protection plate 42 rotate around the positioning sleeve 112, when the upper protection plate 41 and the lower protection plate 42 are in a vertical state, the shielding plate 43 slides out from the end part of the lower protection plate 42, and other interferences such as short circuit and the like caused by rainwater entering into the direct current breaker 19 and the alternating current breaker 110 are prevented by the shielding plate 43;
In the process that the upper protection plate 41 and the lower protection plate 42 are in a vertical state, the end parts of the shielding plates 43 are slowly contained in the lower protection plate 42, shielding isolation layers are formed between the power connectors 15 of the plurality of groups and the direct current circuit breaker 19 and the alternating current circuit breaker 110 under the action of the shielding plates 43 and used for blocking interference among the power connectors, reducing excessive electromagnetic radiation generated after power failure, and carrying out interference connection on the linkage block 181, the direct current circuit breaker 19 and the alternating current circuit breaker 110 when the lower protection plate 42 is close to a horizontal state;
When the driven tube 111 is driven to rotate by the motor 2, the assembly shell 11 is in an open disassembly state, the diversion trench 113 on the driven tube 111 rotates to the bottoms of the groups of heat conduction holes 14, and in the state that the gas injection pump 3 continuously works, gas is converged in the driven tube 111 and is diffused to the positions of the groups of heat conduction holes 14 by the diversion trench 113, and electric equipment of the photovoltaic energy storage inverter arranged on the assembly panel 12 is cooled and radiated by the groups of heat conduction holes 14;
Through linkage frame 51 through with linkage block 181 fixed connection, when making linkage block 181 by lower guard plate 42 activity conflict, can promote linkage frame 51, make the separation between linkage frame 51 and the assembly casing 11 for the connecting piece between automatic disconnection linkage frame 51 and the assembly casing 11, make things convenient for the operating personnel to dismantle, utilize protection shield 52 to protect the bottom of assembly casing 11, and set up temperature sensor at the both ends in adjusting slot 53, carry out the detection of outer wall temperature to the power connection 15 under the different work or the dismantlement state, improve the security of equipment operation, and two sets of under the effect that first guide bar 54 cup jointed the spring with two sets of second wire pole 55, can reset linkage frame 51 after making the closed state of protective component 4, and utilize the tip of two sets of second wire poles 55 to adsorb protective component 4, make protective component 4 be in stable state.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a photovoltaic energy storage dc-to-ac converter with from protection limit function which characterized in that: the photovoltaic energy storage inverter comprises a shell assembly (1) provided with a photovoltaic energy storage inverter component, a protection assembly (4) with a self-protection function and a linkage assembly (5) with an automatic detachment installation position; a motor (2) is fixedly connected to one side wall of the shell assembly (1), an air injection pump (3) is fixedly connected to the other side wall of the shell assembly (1), the protection assembly (4) is rotatably connected to the inner wall of the shell assembly (1), and the shell assembly (1) is of an open structure;
One end of the protection component (4) is in transmission connection with the output end of the motor (2), the other end of the protection component (4) is communicated with the air injection pump (3), the linkage component (5) movably penetrates through the outer wall of the shell component (1) and is far away from one side of the protection component (4), and the protection component (4) is in movable abutting connection with the linkage component (5);
the housing assembly (1) comprises a fitting housing (11) and a resetting mechanism (18); the assembly shell (11) is of an open structure, an assembly panel (12) is fixedly connected to the top end of the inner wall of the assembly shell (11), first through holes (13) are formed in two ends of the top of the assembly panel (12), a plurality of groups of heat conduction holes (14) are formed in the bottom of the assembly panel (12), a plurality of groups of power connectors (15) are arranged at the bottom of the assembly shell (11), and cables (16) are electrically connected to the power connectors (15);
The assembly comprises an assembly shell (11), wherein the inner wall of the assembly shell (11) is provided with second through holes (17) close to corners, one side, close to a power connector (15), of the outer wall of the assembly shell (11) is movably clamped with a reset mechanism (18), one side of the reset mechanism (18) is provided with a direct current breaker (19), the other side of the reset mechanism (18) is provided with an alternating current breaker (110), the direct current breaker (19) and the alternating current breaker (110) are fixedly connected to the inner wall of the assembly shell (11), the direct current breaker (19) and the alternating current breaker (110) are respectively provided with a knife switch, the inner wall of the assembly shell (11) is rotatably connected with a driven tube (111), one end of the driven tube (111) is in transmission connection with the output end of a motor (2), the other end of the driven tube (111) is rotatably connected with the output end of a gas injection pump (3) and is mutually communicated with two groups of positioning sleeves (112), and the outer wall of the driven tube (111) is further provided with a sluice (113);
the reset mechanism (18) comprises a linkage block (181); the linkage block (181) is of a rectangular structure, the linkage block (181) penetrates through and is movably attached to the outer wall of the assembly shell (11), two groups of protrusions (182) are fixedly connected to the end part of the linkage block (181), compression springs (183) are arranged on the outer walls of the two groups of protrusions (182), and the other ends of the two groups of compression springs (183) are movably abutted to the inner wall of the assembly shell (11);
The protective assembly (4) comprises an upper protective plate (41); the bottom of the upper protection plate (41) is provided with a lower protection plate (42), the size of the lower protection plate (42) is smaller than that of the upper protection plate (41), the section width of the lower protection plate (42) is smaller than the inner wall width of the assembly shell (11), and the lower protection plate (42) is rotationally connected in the assembly shell (11);
The end part of the lower protection plate (42) penetrates through and is connected with a shielding plate (43) in a sliding manner, a metal shielding layer is embedded and installed on the inner wall of the shielding plate (43), two groups of linkage plates (44) are fixedly connected to one side wall of the lower protection plate (42), the two groups of linkage plates (44) are symmetrically arranged by taking the central axis of the lower protection plate (42) as the center, and the end parts of the two groups of linkage plates (44) are fixedly connected with the outer wall of the positioning sleeve (112);
the linkage assembly (5) comprises a linkage frame (51); the bottom one side fixedly connected with protection shield (52) of linkage frame (51), just protection shield (52) are right angle setting with the junction of linkage frame (51), the outer wall of linkage frame (51) and be close to one side and the one end fixed connection of linkage piece (181) of protection shield (52), a plurality of groups adjustment tank (53) have been seted up on the surface of protection shield (52), a plurality of groups the quantity of adjustment tank (53) is the same with the quantity of a plurality of groups power connection (15), and a plurality of groups adjustment tank (53) activity cup joints the outer wall at a plurality of groups power connection (15).
2. The photovoltaic energy storage inverter with self-protection limit function according to claim 1, characterized in that: the temperature sensor is arranged at two ends of the inner wall of the adjusting groove (53), two groups of first guide rods (54) are fixedly connected to one side, close to the protection plate (52), of the outer wall of the linkage frame (51), and two groups of second guide rods (55) are fixedly connected to one side, far away from the protection plate (52), of the outer wall of the linkage frame (51).
3. The photovoltaic energy storage inverter with self-protection limit function according to claim 2, characterized in that: the two groups of first guide rods (54) and the two groups of second guide rods (55) are symmetrically arranged by taking the central axis of the linkage frame (51) as the center, the two groups of first guide rods (54) and the two groups of second guide rods (55) penetrate through and are slidably connected to the inner wall of the second through hole (17), the two groups of first guide rods (54) and the two groups of second guide rods (55) are sleeved with springs, and the springs are movably and contradicted to be connected to the inner wall of the assembly shell (11).
4. The photovoltaic energy storage inverter with self-protection limit function according to claim 3, wherein: two sets of first guide bar (54) with the tip of two sets of second wire pole (55) all is provided with the spacing portion of anti-drop, two sets of the length of second wire pole (55) all is greater than the length of two sets of first guide bar (54), two sets of the tip of second wire pole (55) extends to in first through-hole (13), and two sets of the tip of second wire pole (55) all is connected with last guard plate (41) activity magnetism absorption.
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| Application Number | Priority Date | Filing Date | Title |
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| CN117767772B true CN117767772B (en) | 2024-04-30 |
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| CN118249619B (en) * | 2024-05-27 | 2024-08-09 | 深圳市三瑞电源有限公司 | String-type protection type photovoltaic inverter module and protection method thereof |
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| JP2018157031A (en) * | 2017-03-16 | 2018-10-04 | 株式会社Ｊｖｃケンウッド | Display panel drive mechanism, display unit, and electronic device |
| CN212344348U (en) * | 2020-07-24 | 2021-01-12 | 景德镇市全晟科技有限公司 | Multi-equipment linkage control assembly |
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| CN113015375A (en) * | 2021-03-02 | 2021-06-22 | 合肥布诺太阳能科技有限公司 | Inverter convenient to replace for solar energy |
| CN115348763A (en) * | 2022-07-13 | 2022-11-15 | 李爽 | Single-phase group string type grid-connected photovoltaic inverter |
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| JP2018157031A (en) * | 2017-03-16 | 2018-10-04 | 株式会社Ｊｖｃケンウッド | Display panel drive mechanism, display unit, and electronic device |
| CN212344348U (en) * | 2020-07-24 | 2021-01-12 | 景德镇市全晟科技有限公司 | Multi-equipment linkage control assembly |
| CN212752982U (en) * | 2020-09-27 | 2021-03-19 | 广州方达舞台设备有限公司 | Thing networking light modulation cabinet wireless module |
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| CN115348763A (en) * | 2022-07-13 | 2022-11-15 | 李爽 | Single-phase group string type grid-connected photovoltaic inverter |
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