CN220105130U - Grid-connected type detection assembly based on photovoltaic wind power - Google Patents
Grid-connected type detection assembly based on photovoltaic wind power Download PDFInfo
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- CN220105130U CN220105130U CN202320961892.6U CN202320961892U CN220105130U CN 220105130 U CN220105130 U CN 220105130U CN 202320961892 U CN202320961892 U CN 202320961892U CN 220105130 U CN220105130 U CN 220105130U
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- voltmeter
- detection assembly
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- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 238000005192 partition Methods 0.000 claims abstract description 36
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 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
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of photovoltaic detection, in particular to a grid-connected detection assembly based on photovoltaic wind power, which comprises a box body, a current detection assembly, a voltage detection assembly and a heat dissipation assembly, wherein the box body is provided with a first detection module and a second detection module; the detection value of the ammeter is fed back to the display screen through the ammeter sensor; the detection value of the voltmeter is fed back to the display screen through the voltage sensor; but also through the elastic force of the spring; the positions of the ammeter and the voltmeter can be limited and fixed; the replacement in the later period is convenient; a heat dissipation mechanism is arranged; introducing heat at the electricity meter to the upper side of the partition plate by the partition plate; then the fan is driven to rotate by the motor; so that the heat generated by the internal circuit of the detection device can be taken away rapidly when the detection device is used; the damage to the ammeter caused by high temperature is avoided; and a protection resistor is arranged in the circuit; the short circuit of the ammeter can be effectively prevented; the service life of the device is prolonged.
Description
Technical Field
The utility model relates to the technical field of photovoltaics, in particular to a grid-connected detection assembly based on photovoltaic wind power.
Background
The grid connection of the large-scale centralized photovoltaic power station is an important development direction of photovoltaic power generation, and the construction and operation of the large-scale photovoltaic power station of megawatt level in China are popular at present, and the grid connection operation of the ultra-large-scale photovoltaic power station of more than hundred megawatt level is also realized. Along with the increasing proportion of the photovoltaic installed capacity in the regional power grid, the influence on the safe and stable operation of the power grid after the large-scale centralized photovoltaic power station is connected to the power grid is increasingly apparent, so that the safety detection is required.
The existing electric energy detection device is mainly influenced by the voltage and the current of the power grid when in use, so that the electric energy quality of the power grid is often required to be detected by adopting the electric energy detection device, but the internal temperature is increased due to work when a circuit is in use, the heat dissipation effect of the existing electric energy detection device is not obvious, and the electric meter is easily damaged due to high temperature; the ammeter that detects usefulness is mostly installed in the box body through bolt or welded mode, and when the ammeter damaged, it is more troublesome to change the maintenance, and when carrying out electric energy and detecting moreover, can't protect the circuit, easily leads to the ammeter short circuit to burn out.
Disclosure of Invention
The utility model provides a grid-connected detection assembly based on photovoltaic wind power, which aims to solve at least one technical problem.
In order to achieve the above purpose, the utility model provides a grid-connected detection assembly based on photovoltaic wind power, which comprises a box body, a current detection assembly, a voltage detection assembly and a heat dissipation assembly, wherein a display screen is fixedly arranged on the front end surface of the box body, an operation button is fixedly arranged on the right side of the display screen, a mounting groove is arranged in the box body, a partition column is fixedly arranged in the middle position of the inner bottom wall of the mounting groove, supports are fixedly connected on the side walls of the two sides of the partition column, the current detection assembly is arranged on one side of the partition column in the box body, the voltage detection assembly is arranged on one side, far away from the current detection assembly, of the box body, and the heat dissipation assembly is arranged on the upper side of the partition column;
the current detection assembly comprises an ammeter and a first lead, wherein the ammeter and the first lead are arranged on the upper side of the support, a positive wiring column of the ammeter is connected with a first ammeter connector arranged on the lower side of the front end face of the box body through the first lead, and a negative wiring column of the ammeter is connected with a second ammeter connector arranged on the side wall of one side of the box body through the first lead;
the voltage detection assembly comprises a voltmeter and a second lead, wherein the voltmeter and the second lead are arranged on the upper side of the support, a positive wiring column of the voltmeter is connected with a first voltmeter connector arranged on the lower side of the front end face of the box body through the second lead, and a negative wiring column of the positive wiring column is connected with a second voltmeter connector arranged on the side wall of one side of the box body through the second lead;
the heat dissipation assembly comprises a motor and a fan which are fixedly connected to the middle position of the upper surface of the partition board, two ends of the partition board are installed inside the box body through clamping blocks, and the clamping blocks are symmetrically installed on side walls of two sides of the box body.
In the grid-connected detection assembly based on photovoltaic wind power, optionally, a protection resistor is further arranged between the first lead and the second ammeter connector, an ammeter sensor is arranged in the ammeter, and the output end of the ammeter sensor is connected with the display end of the display screen.
In the grid-connected detection assembly based on photovoltaic wind power, optionally, a voltage sensor is arranged in the voltmeter, and an output end of the voltage sensor is connected with a display end of the display screen.
In the grid-connected detection assembly based on photovoltaic wind power, optionally, the same limiting mechanism is arranged on the upper sides of the ammeter and the voltmeter, the limiting mechanism is composed of a through groove and a slide bar which are arranged on the inner side walls of the two sides of the separation column, the slide bar is fixedly connected in the through groove, the slide bar is sleeved with a sliding sleeve in a sliding manner, a spring sleeved on the slide bar is arranged on the upper side of the sliding sleeve, a pressing plate is fixedly connected on one side of the sliding sleeve, and a containing groove matched with radian of the ammeter and the voltmeter is arranged on the lower side of the pressing plate.
In the grid-connected detection assembly based on photovoltaic wind power, optionally, a fan is fixedly arranged at the output end of the motor, a through groove is formed in the box body at the air outlet end of the fan, and a filter screen is embedded in the through groove.
In the grid-connected detection assembly based on photovoltaic wind power, optionally, a plurality of ventilation openings are formed in the partition board in a penetrating manner, and the partition board is made of a heat conducting material.
The beneficial effects are that: the detection value of the ammeter is fed back to the display screen through the ammeter sensor; the detection value of the voltmeter is fed back to the display screen through the voltage sensor; but also through the elastic force of the spring; the positions of the ammeter and the voltmeter can be limited and fixed; the replacement in the later period is convenient; a heat dissipation mechanism is arranged; introducing heat at the electricity meter to the upper side of the partition plate by the partition plate; then the fan is driven to rotate by the motor; so that the heat generated by the internal circuit of the detection device can be taken away rapidly when the detection device is used; the damage to the ammeter caused by high temperature is avoided; and a protection resistor is arranged in the circuit; the short circuit of the ammeter can be effectively prevented; the service life of the device is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
fig. 4 is a schematic top view of the inventive separator.
Reference numerals illustrate:
1-a box body; 2-a display screen; 3-operating a button; 4-a filter screen; 5-voltmeter joint II; 6-voltmeter joint I; 7-ammeter joint I; 8-an ammeter connector II; 9-clamping blocks; 10-a separator; 11-an electric motor; 12-a fan; 13-through grooves; 14-sliding bar; 15-a spring; 16-sliding sleeve; 17-pressing plates; 18-ammeter; 19-wire one; 20-protecting resistor; 21-voltmeter; 22-second lead wires; 23-ventilation openings; 24-support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the preferred embodiments of the present utility model will be described in more detail with reference to the accompanying drawings in the preferred embodiments of the present utility model. In the drawings, the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the utility model. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. 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. Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, the utility model provides a grid-connected detection assembly based on photovoltaic wind power, which comprises a box body 1, a current detection assembly, a voltage detection assembly and a heat dissipation assembly, wherein a display screen 2 is fixedly arranged on the front end surface of the box body 1, an operation button 3 is fixedly arranged on the right side of the display screen 2, a mounting groove is formed in the box body 1, a partition column is fixedly arranged in the middle position of the inner bottom wall of the mounting groove, supports 24 are fixedly connected to the side walls of the two sides of the partition column, the current detection assembly is arranged in the box body 1 and is positioned at one side of the partition column, current in grid connection of the photovoltaic wind power can be detected by arranging the current detection assembly, the voltage detection assembly is arranged at one side of the box body 1 far away from the current detection assembly, voltage in grid connection of the photovoltaic wind power can be detected by arranging the voltage detection assembly, and the heat dissipation assembly is arranged on the upper side of the partition column, and the heat dissipation of an internal circuit of the detection device can be carried out by arranging the heat dissipation assembly, so that damage caused by high temperature is avoided;
the current detection assembly comprises an ammeter 18 and a first lead 19, wherein the ammeter 18 is arranged on the upper side of the support 24, a positive wiring column of the ammeter 18 is connected with a first ammeter connector 7 arranged on the lower side of the front end face of the box body 1 through the first lead 19, and a negative wiring column of the ammeter is connected with a second ammeter connector 8 arranged on the side wall of one side of the box body 1 through the first lead 19;
the voltage detection assembly comprises a voltmeter 21 and a second lead 22 which are arranged on the upper side of a support 24, a positive wiring column of the voltmeter 21 is connected with a first voltmeter connector 6 arranged on the lower side of the front end face of the box body 1 through the second lead 22, and a negative wiring column of the positive wiring column is connected with a second voltmeter connector 5 arranged on the side wall of one side of the box body 1 through the second lead 22;
the heat dissipation assembly comprises a motor 11 and a fan 12 which are fixedly connected to the middle position of the upper surface of the partition board 10, two ends of the partition board 10 are installed inside the box body 1 through clamping blocks 9, and the clamping blocks 9 are symmetrically installed on two side walls of the box body 1.
Further, a protection resistor 20 is further arranged between the first lead 19 and the second ammeter connector 8, an ammeter sensor is arranged in the ammeter 18, and the output end of the ammeter sensor is connected with the display end of the display screen 2;
when the current meter is detected, the electric equipment is electrically connected with the first ammeter connector 7 and the second ammeter connector 8, and then the detection value of the ammeter 18 is fed back to the display screen 2 through the current sensor.
Further, a voltage sensor is arranged in the voltmeter 21, and an output end of the voltage sensor is connected with a display end of the display screen 2;
when the voltage detection is performed, the electric equipment is electrically connected with the first voltmeter connector 6 and the second voltmeter connector 5, and then the detection value of the voltmeter 21 is fed back to the display screen 2 through the voltage sensor.
Further, the same limiting mechanisms are arranged on the upper sides of the ammeter 18 and the voltmeter 21, each limiting mechanism is composed of a through groove 13 and a slide bar 14 which are arranged in the side walls of the two sides of the separation column, the slide bar 14 is fixedly connected in the through groove 13, a sliding sleeve 16 is sleeved on the slide bar 14 in a sliding manner, a spring 15 sleeved on the slide bar 14 is arranged on the upper side of the sliding sleeve 16, a pressing plate 17 is fixedly connected on one side of the sliding sleeve 16, and a containing groove matched with radians of the ammeter 18 and the voltmeter 21 is arranged on the lower side of the pressing plate 17;
the positions of the ammeter 18 and the voltmeter 21 can be limited and fixed under the action of the elastic force of the spring 15, so that the replacement in the later stage is facilitated.
Example two
As shown in fig. 1-4, the utility model provides a grid-connected detection assembly based on photovoltaic wind power, which comprises a box body 1, a current detection assembly, a voltage detection assembly and a heat dissipation assembly, wherein a display screen 2 is fixedly arranged on the front end surface of the box body 1, an operation button 3 is fixedly arranged on the right side of the display screen 2, a mounting groove is formed in the box body 1, a partition column is fixedly arranged in the middle position of the inner bottom wall of the mounting groove, supports 24 are fixedly connected to the side walls of the two sides of the partition column, the current detection assembly is arranged in the box body 1 and is positioned at one side of the partition column, current in grid connection of the photovoltaic wind power can be detected by arranging the current detection assembly, the voltage detection assembly is arranged at one side of the box body 1 far away from the current detection assembly, voltage in grid connection of the photovoltaic wind power can be detected by arranging the voltage detection assembly, and the heat dissipation assembly is arranged on the upper side of the partition column, and the heat dissipation of an internal circuit of the detection device can be carried out by arranging the heat dissipation assembly, so that damage caused by high temperature is avoided;
the current detection assembly comprises an ammeter 18 and a first lead 19, wherein the ammeter 18 is arranged on the upper side of the support 24, a positive wiring column of the ammeter 18 is connected with a first ammeter connector 7 arranged on the lower side of the front end face of the box body 1 through the first lead 19, and a negative wiring column of the ammeter is connected with a second ammeter connector 8 arranged on the side wall of one side of the box body 1 through the first lead 19;
the voltage detection assembly comprises a voltmeter 21 and a second lead 22 which are arranged on the upper side of a support 24, a positive wiring column of the voltmeter 21 is connected with a first voltmeter connector 6 arranged on the lower side of the front end face of the box body 1 through the second lead 22, and a negative wiring column of the positive wiring column is connected with a second voltmeter connector 5 arranged on the side wall of one side of the box body 1 through the second lead 22;
the heat dissipation assembly comprises a motor 11 and a fan 12 which are fixedly connected to the middle position of the upper surface of the partition board 10, two ends of the partition board 10 are installed inside the box body 1 through clamping blocks 9, and the clamping blocks 9 are symmetrically installed on two side walls of the box body 1.
Further, a fan 12 is fixedly arranged at the output end of the motor 11, a through groove 13 is formed in the box body 1 at the air outlet end of the fan 12, and a filter screen 4 is embedded in the through groove 13;
it should be noted that, the fan 12 is driven to rotate by the motor 11, so that heat generated by an internal circuit of the detection device during use can be taken away quickly, and damage to the ammeter caused by high temperature is avoided.
Further, a plurality of ventilation openings 23 are formed in the partition board 10 in a penetrating manner, and the partition board 10 is made of a heat conducting material;
it should be noted that, it is convenient to introduce heat at the electricity meter to the upper side of the partition board 10, thereby improving heat dissipation efficiency.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or indirectly connected through intermediaries, for example, or may be in communication with each other between two elements or in an interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for convenience in describing and simplifying the description of the present utility model based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the devices 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 present utility model. In the description of the present utility model, the meaning of "a plurality" is two or more, unless specifically stated otherwise.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model 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 or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (6)
1. The utility model provides a grid-connected detection component based on photovoltaic wind power, its characterized in that, including box body (1), current detection component, voltage detection component, radiator unit, the terminal surface is fixed before box body (1) is provided with display screen (2), and is located the fixed operating button (3) that is provided with in right side of display screen (2), the inside of box body (1) is provided with the mounting groove, and the interior bottom wall intermediate position of mounting groove is fixed with the partition post, and fixedly connected with support (24) on the both sides lateral wall of partition post, current detection component installs in the inside one side that is located the partition post of box body (1), voltage detection component installs in the inside one side that keeps away from the current detection component of box body (1), radiator unit installs the upside of partition post;
the current detection assembly comprises an ammeter (18) and a first lead (19) which are arranged on the upper side of a support (24), a positive wiring column of the ammeter (18) is connected with a first ammeter connector (7) arranged on the lower side of the front end face of the box body (1) through the first lead (19), and a negative wiring column of the ammeter is connected with a second ammeter connector (8) arranged on the side wall of one side of the box body (1) through the first lead (19);
the voltage detection assembly comprises a voltmeter (21) and a second lead (22) which are arranged on the upper side of the support (24), a positive wiring column of the voltmeter (21) is connected with a first voltmeter connector (6) arranged on the lower side of the front end face of the box body (1) through the second lead (22), and a negative wiring column of the voltage detection assembly is connected with a second voltmeter connector (5) arranged on the side wall of one side of the box body (1) through the second lead (22);
the heat dissipation assembly comprises a motor (11) and a fan (12) which are fixedly connected to the middle position of the upper surface of the partition board (10), two ends of the partition board (10) are installed inside the box body (1) through clamping blocks (9), and the clamping blocks (9) are symmetrically installed on side walls of two sides of the box body (1).
2. The grid-connected detection assembly based on photovoltaic wind power according to claim 1, wherein a protection resistor (20) is further arranged between the first lead (19) and the second ammeter connector (8), an ammeter sensor is arranged in the ammeter (18), and the output end of the ammeter sensor is connected with the display end of the display screen (2).
3. The grid-connected wind power-based detection assembly according to claim 1, wherein a voltage sensor is arranged in the voltmeter (21), and an output end of the voltage sensor is connected with a display end of the display screen (2).
4. The grid-connected detection assembly based on photovoltaic wind power according to claim 1, wherein the upper sides of the ammeter (18) and the voltmeter (21) are provided with the same limiting mechanism, the limiting mechanism is composed of a through groove (13) and a slide bar (14) which are arranged inside the side walls of two sides of the separation column, the slide bar (14) is fixedly connected in the through groove (13), a sliding sleeve (16) is sleeved on the slide bar (14) in a sliding manner, a spring (15) sleeved on the slide bar (14) is arranged on the upper side of the sliding sleeve (16), a pressing plate (17) is fixedly connected on one side of the sliding sleeve (16), and a containing groove matched with radian of the ammeter (18) and the voltmeter (21) is arranged on the lower side of the pressing plate (17).
5. The grid-connected detection assembly based on photovoltaic wind power according to claim 1, wherein a fan (12) is fixedly arranged at the output end of the motor (11), a through groove (13) is formed in the box body (1) at the air outlet end of the fan (12), and a filter screen (4) is embedded in the through groove (13).
6. The grid-connected detection assembly based on photovoltaic wind power according to claim 1, wherein a plurality of ventilation openings (23) are formed in the partition board (10) in a penetrating manner, and the partition board (10) is made of a heat conducting material, so that heat at an ammeter can be conveniently introduced to the upper side of the partition board (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320961892.6U CN220105130U (en) | 2023-04-25 | 2023-04-25 | Grid-connected type detection assembly based on photovoltaic wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320961892.6U CN220105130U (en) | 2023-04-25 | 2023-04-25 | Grid-connected type detection assembly based on photovoltaic wind power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220105130U true CN220105130U (en) | 2023-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320961892.6U Active CN220105130U (en) | 2023-04-25 | 2023-04-25 | Grid-connected type detection assembly based on photovoltaic wind power |
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| Country | Link |
|---|---|
| CN (1) | CN220105130U (en) |
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- 2023-04-25 CN CN202320961892.6U patent/CN220105130U/en active Active
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