CN109782033B - Real-time detection device for power quality - Google Patents
Real-time detection device for power quality Download PDFInfo
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- CN109782033B CN109782033B CN201910066754.XA CN201910066754A CN109782033B CN 109782033 B CN109782033 B CN 109782033B CN 201910066754 A CN201910066754 A CN 201910066754A CN 109782033 B CN109782033 B CN 109782033B
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Abstract
The invention discloses a real-time detection device for power quality, which is characterized in that one side of the real-time detection device is connected with a plurality of photovoltaic power generation devices which are dispersedly arranged, one side of the real-time detection device is connected with a power grid, the plurality of photovoltaic power generation devices which are dispersedly arranged utilize solar energy to generate power which is transmitted to the real-time detection device for power quality through the network, and the power is connected into the power grid after being detected by the real-time detection device for power quality, and the real-time detection device for power: the device comprises a device shell, a fixing plate, a sealing cover, a fixing assembly, electric energy meters, a display screen, a rotary button, a USB interface and a power interface, wherein one end of the shell is positioned at one side of the center, the plurality of electric energy meters are arranged on one side of the shell, the display screen is sleeved on the top of the other side of the center, the rotary button is arranged at the bottom of the display screen and connected with the shell, and an operation valve is fixed at the bottom of the other side of the center, which is positioned at one end of the shell, through screws.
Description
Technical Field
The invention relates to the technical field of power quality detection, in particular to a real-time power quality detection device.
Background
The distributed photovoltaic power generation technology is applied more and more widely, and the technology is to dispersedly arrange solar power generation equipment on the roofs of residents, the open ground and the like, and then to connect electric energy generated by each solar power generation equipment into a power grid. Due to the influence of factors such as solar irradiation and power generation equipment stability, the quality of the electric energy generated by each solar power generation equipment is uneven. If the quality of the electric energy generated by each solar power generation device cannot be monitored in real time, the normal operation of the whole power grid can be influenced, and even the whole power grid is broken down. Historically, China has caused huge economic losses due to harmonic effects of distributed power generation. As an instrument for monitoring harmonic content in a power system, a real-time power quality detection device is an indispensable part in distributed photovoltaic power generation.
The traditional electric energy quality detection device is of an integrated structure, and cannot be automatically installed and disassembled, internal parts are easy to age after the machine is used for a long time, and the internal aged parts cannot be replaced due to the integrated design, so that detection data have errors, and the detection accuracy is not facilitated; the traditional power quality detection device has no protective measures, the external impact easily causes the power quality detection device to vibrate and damage internal parts, the service life of the power quality detection device is greatly shortened, and the design of the real-time power quality detection device is necessary for overcoming the defects.
Disclosure of Invention
The present invention is directed to a real-time power quality detection device, so as to solve the problems mentioned in the background art.
According to the real-time electric energy quality detection device, one side of the real-time electric energy quality detection device is connected with a plurality of scattered photovoltaic power generation devices, one side of the real-time electric energy quality detection device is connected with a power grid, the plurality of scattered photovoltaic power generation devices generate electric energy by utilizing solar energy, the electric energy is transmitted to the real-time electric energy quality detection device through the network, and the electric energy quality detection device is connected into the power grid after detection.
A kind of electric energy quality real-time detection device concrete structure includes: the device comprises a device shell, a handle, a fixing plate, a sealing cover, a fixing component, an electric energy meter, a display screen, a rotary button, an operation valve, a USB interface and a power supply interface, wherein one end of the device shell is located at one side of the center, the plurality of electric energy meters are arranged on one side of the center, the display screen is sleeved at the top of the other side of the center, the rotary button is arranged at the bottom of the display screen and connected with the device shell, one end of the device shell is located at the bottom of the other side of the center, the operation valve is fixed at the bottom of the other side of the center through screws, the USB interface is arranged on one side of the operation valve and connected with the device shell, the power supply interface is arranged on one side of the bottom of the device shell, the sealing cover is sleeved at the top of the device shell, the fixing component is, The screw thread column comprises a nut sleeve, an L-shaped baffle, a screw thread column, a first clamping plate, a second clamping plate, an anti-skidding sleeve, a fixed shell, a center hole, a reset spring, a sliding rod, a spring plate, a rubber pad, a partition plate and a compression spring, wherein both ends of the sealing cover are provided with screw thread grooves, the screw thread column is sleeved in the screw thread grooves, one end of the screw thread column is sleeved with the nut sleeve, the nut sleeve is positioned on one side of the outer wall of the sealing cover, the L-shaped baffle is fixed on one side of the outer wall of the sealing cover through screws, the L-shaped baffle is sleeved on the outer side of the nut sleeve, the other end of the screw thread column is fixed with the first clamping plate through screws, the first clamping plate is positioned on one side of the inner wall of the sealing cover, one end of the first clamping plate is fixed with the spring plate through screws, the center of one end of the spring, reset spring has been cup jointed to slide bar one end, and reset spring one end and the laminating of fixed shell outer wall, the slide bar other end passes through the screw fixation and has the baffle, and baffle and the laminating of fixed shell inner wall, baffle one end is provided with compression spring, and compression spring one end and the laminating of fixed shell one side inner wall, the fixed shell outer wall other end passes through the screw fixation and has the second splint, the laminating of second splint one end and device casing top outer wall.
Furthermore, the bottom of the device casing is fixed with a base through screws, and the base is sleeved with a protective sleeve.
Furthermore, both sides of the center of the top of the sealing cover are fixed with fixing plates through screws, and handles are arranged at the tops of the fixing plates.
Furthermore, an anti-slip sleeve is sleeved at one end of the second clamping plate, and one end of the anti-slip sleeve is attached to the top of the device shell.
Furthermore, rubber pads are sleeved on two sides of the partition plate and are attached to the inner wall of the fixed shell.
Compared with the prior art, the invention has the following beneficial effects: the fixing component of the real-time electric energy quality detection device is simple in structure and convenient to operate, the sealing cover is manually sleeved on the top of the device shell, the nut sleeve is screwed clockwise to enable the threaded column to rotate to extrude the second clamping plate until the top of the second clamping plate clamping device shell is fixed, then the power line is connected with the upper power interface, the operating valve is opened, the rotating button is adjusted, the electric quantity detection result can be observed on the display screen, the nut sleeve is screwed to enable the top of the second clamping plate clamping device shell, the traditional integrated design is abandoned, the real-time electric energy quality detection device can be freely disassembled by adopting a clamping and fixing mode, the internal parts of the real-time electric energy quality detection device can be conveniently replaced, the measurement error caused by machine aging is avoided, the real-time electric energy quality detection device is favorably used, the detection accuracy is greatly improved, and meanwhile, when the real-time electric energy, the device casing rocks and extrudes the second clamping plate, the second clamping plate extrudes the reset spring and the compression spring, the reset spring and the compression spring provide elastic force to thoroughly offset external impact force, the damage of the real-time electric energy quality detection device caused by external impact is avoided, the real-time electric energy quality detection device is protected, and the service life of the real-time electric energy quality detection device is prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of an access method of a real-time power quality detection device according to the present invention;
FIG. 2 is a schematic diagram of the overall structure of a real-time power quality detection device according to the present invention;
FIG. 3 is a schematic structural diagram of a fixing component of the real-time power quality detection device according to the present invention;
fig. 4 is an enlarged view of a fixed housing of a real-time power quality detection apparatus according to the present invention.
In the figure: 1. a device housing; 2. a handle; 3. a fixing plate; 4. sealing the cover; 5. a fixing assembly; 6. an electric energy meter; 7. a display screen; 8. rotating the button; 9. operating the valve; 10. a USB interface; 11. a power interface; 12. a thread groove; 13. a nut sleeve; 14. an L-shaped baffle plate; 15. a threaded post; 16. a first splint; 17. a second splint; 18. an anti-slip sleeve; 19. fixing the housing; 20. a central bore; 21. a return spring; 22. a slide bar; 23. a spring plate; 24. a rubber pad; 25. a partition plate; 26. compressing the spring.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
The access method of the real-time power quality detection device is shown in fig. 1, and a plurality of photovoltaic power generation devices which are dispersedly arranged are used for generating electric energy by solar energy, are transmitted to the real-time power quality detection device through a network, and are accessed into a power grid after being detected.
Referring to fig. 2-4, the real-time power quality detection device of the present invention includes a device housing 1, a handle 2, a fixing plate 3, a sealing cover 4, a fixing component 5, a power meter 6, a display screen 7, a rotary button 8, an operation valve 9, a USB interface 10, and a power interface 11.
One end of a device shell 1 is positioned at one side of the center and is provided with a plurality of electric energy meters 6, the bottom of the device shell 1 is fixed with a base through screws, the base is sleeved with a protective sleeve and is beneficial to protecting the device shell 1, one end of the device shell 1 is positioned at the other side of the center and is sleeved with a display screen 7, the bottom of the display screen 7 is provided with a rotary button 8, the rotary button 8 is connected with the device shell 1, one end of the device shell 1 is positioned at the other side of the center and is fixed with an operating valve 9 through screws, one side of the operating valve 9 is provided with a plurality of USB interfaces 10, the USB interfaces 10 are connected with the device shell 1, the bottom of the operating valve 9 is provided with a plurality of power interfaces 11, the power interfaces 11 are positioned at one side of the bottom of the device shell 1, the top of the device shell 1 is sleeved with a sealing, the disassembly of the sealing cover 4 is facilitated, the two ends of the sealing cover 4 are both provided with a fixing assembly 5, the fixing assembly 5 consists of a threaded groove 12, a nut sleeve 13, an L-shaped baffle 14, a threaded column 15, a first clamping plate 16, a second clamping plate 17, an anti-skidding sleeve 18, a fixing shell 19, a central hole 20, a reset spring 21, a sliding rod 22, a spring plate 23, a rubber pad 24, a partition plate 25 and a compression spring 26, the two ends of the sealing cover 4 are both provided with the threaded groove 12, the threaded column 15 is sleeved inside the threaded groove 12, one end of the threaded column 15 is sleeved with the nut sleeve 13, the nut sleeve 13 is positioned on one side of the outer wall of the sealing cover 4, the L-shaped baffle 14 is fixed on one side of the outer wall of the sealing cover 4 through a screw, the L-shaped baffle 14 is sleeved outside the nut sleeve 13, the other end of the threaded column 15 is fixed with the first clamping plate 16 through a screw, the first clamping plate, a sliding rod 22 is fixed at the center of one end of a spring plate 23 through a screw, a fixed shell 19 is sleeved at one end of the sliding rod 22, a central hole 20 is formed in one end of the fixed shell 19, the central hole 20 is sleeved outside the sliding rod 22, a reset spring 21 is sleeved at one end of the sliding rod 22, one end of the reset spring 21 is attached to the outer wall of the fixed shell 19, a partition plate 25 is fixed at the other end of the sliding rod 22 through a screw, the partition plate 25 is attached to the inner wall of the fixed shell 19, rubber pads 24 are sleeved on both sides of the partition plate 25, the rubber pads 24 are attached to the inner wall of the fixed shell 19, the fixation of the partition plate 25 is facilitated, a compression spring 26 is arranged at one end of the partition plate 25, one end of the compression spring 26 is attached to the inner wall of one side of the fixed shell 19, a second clamping plate 17 is fixed at the other end, and one end of the anti-skid sleeve 18 is attached to the top of the device shell 1, which is beneficial to fixing the device shell 1.
When the real-time power quality detection device is used, the sealing cover 4 is manually sleeved on the top of the device shell 1, the nut sleeve 13 is screwed clockwise, the nut sleeve 13 rotates to extrude the threaded column 15, the threaded column 15 rotates to extrude the first clamping plate 16, the first clamping plate 16 extrudes the spring plate 23, the spring plate 23 extrudes the reset spring 21 and the sliding rod 22, the reset spring 21 and the sliding rod 22 extrude the fixed shell 19, the fixed shell 19 extrudes the second clamping plate 17 until the second clamping plate 17 clamps the top of the device shell 1 to complete fixation, at the moment, the power line is connected with the power interface 11, the computer is connected with the USB interface 10, the operation valve 9 is opened, the rotating button 8 is adjusted, the power detection result can be observed on the display screen 7, the traditional integrated design is abandoned, the clamping and fixing mode is adopted, the real-time power quality detection device can be freely disassembled, and the internal parts of the real-time power quality detection device, avoid the ageing measurement error that causes of machine, simultaneously when this electric energy quality real-time detection device of external striking, device casing 1 rocks extrusion second splint 17, and second splint 17 extrudees reset spring 21 and compression spring 26, and reset spring 21 and compression spring 26 provide elasticity and thoroughly offset external impact, avoid external striking to cause this electric energy quality real-time detection device to damage.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides an electric energy quality real-time detection device, one side is connected the photovoltaic power generation equipment that a plurality of dispersion set up, and electric wire netting, its characterized in that includes are connected to one side: device casing (1), handle (2), fixed plate (3), closing cap (4), fixed subassembly (5), electric energy meter (6), display screen (7), rotatory button (8), operating valve (9), USB interface (10) and power source (11), its characterized in that: one end of the device shell (1) is positioned at one side of the center and is provided with a plurality of electric energy meters (6), one end of the device shell (1) is positioned at the other side of the center and is sleeved with a display screen (7), the bottom of the display screen (7) is provided with a rotating button (8), the rotating button (8) is connected with the device shell (1), one end of the device shell (1) is positioned at the other side of the center and is fixed with an operating valve (9) through screws, one side of the operating valve (9) is provided with a plurality of USB interfaces (10), the USB interfaces (10) are connected with the device shell (1), the bottom of the operating valve (9) is provided with a plurality of power interfaces (11), the power interfaces (11) are positioned at one side of the bottom of the device shell (1), the top of the device shell (1) is sleeved with a sealing cover (4), and fixing components (5) are arranged, the fixing component (5) is composed of a thread groove (12), a nut sleeve (13), an L-shaped baffle (14), a thread column (15), a first clamping plate (16), a second clamping plate (17), an anti-skidding sleeve (18), a fixing shell (19), a center hole (20), a reset spring (21), a sliding rod (22), a spring plate (23), a rubber pad (24), a partition plate (25) and a compression spring (26), the thread groove (12) is formed in each of two ends of the sealing cover (4), the thread column (15) is sleeved in each thread groove (12), the nut sleeve (13) is sleeved at one end of each thread column (15), the nut sleeve (13) is located on one side of the outer wall of the sealing cover (4), the L-shaped baffle (14) is fixed on one side of the outer wall of the sealing cover (4) through a screw, the L-shaped baffle (14) is sleeved on the outer side of the nut sleeve (13), the first clamping plate (16) is fixed at the other, and the first clamping plate (16) is positioned on one side of the inner wall of the sealing cover (4), one end of the first clamping plate (16) is fixed with a spring plate (23) through a screw, the center of one end of the spring plate (23) is fixed with a sliding rod (22) through a screw, one end of the sliding rod (22) is sleeved with a fixed shell (19), one end of the fixed shell (19) is provided with a central hole (20), the central hole (20) is sleeved outside the sliding rod (22), one end of the sliding rod (22) is sleeved with a return spring (21), one end of the return spring (21) is attached to the outer wall of the fixed shell (19), the other end of the sliding rod (22) is fixed with a partition plate (25) through a screw, the partition plate (25) is attached to the inner wall of the fixed shell (19), one end of the partition plate (25) is provided with a compression spring (26), and one end of the compression spring, the other end of the outer wall of the fixed shell (19) is fixed with a second clamping plate (17) through a screw, and one end of the second clamping plate (17) is attached to the outer wall of the top of the device shell (1).
2. The real-time power quality detection device according to claim 1, wherein: the bottom of the device shell (1) is fixed with a base through screws, and the base is sleeved with a protective sleeve.
3. The real-time power quality detection device according to claim 1, wherein: both sides of the center of the top of the sealing cover (4) are fixed with fixing plates (3) through screws, and the top of each fixing plate (3) is provided with a handle (2).
4. The real-time power quality detection device according to claim 1, wherein: and one end of the second clamping plate (17) is sleeved with an anti-skidding sleeve (18), and one end of the anti-skidding sleeve (18) is attached to the top of the device shell (1).
5. The real-time power quality detection device according to claim 1, wherein: rubber pads (24) are sleeved on two sides of the partition plate (25), and the rubber pads (24) are attached to the inner wall of the fixed shell (19).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910066754.XA CN109782033B (en) | 2019-01-24 | 2019-01-24 | Real-time detection device for power quality |
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| CN201910066754.XA CN109782033B (en) | 2019-01-24 | 2019-01-24 | Real-time detection device for power quality |
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| CN109782033A CN109782033A (en) | 2019-05-21 |
| CN109782033B true CN109782033B (en) | 2021-03-23 |
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| CN110456107B (en) * | 2019-07-15 | 2021-08-17 | 福建省万维新能源电力有限公司 | Power failure monitoring device and method used for power transmission and transformation project |
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| DE202015008189U1 (en) * | 2015-11-30 | 2016-01-25 | Martin Ehling | Portable power and multifunction meter |
| CN205539139U (en) * | 2016-03-13 | 2016-08-31 | 国网山东省电力公司巨野县供电公司 | Electric energy quality measuring device |
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