CN213906317U - Voltage sag treatment device - Google Patents
Voltage sag treatment device Download PDFInfo
- Publication number
- CN213906317U CN213906317U CN202022779813.9U CN202022779813U CN213906317U CN 213906317 U CN213906317 U CN 213906317U CN 202022779813 U CN202022779813 U CN 202022779813U CN 213906317 U CN213906317 U CN 213906317U
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- Prior art keywords
- power module
- voltage sag
- radiator
- diode
- box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims 1
- 230000006870 function Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a voltage sag administers device, including box and power module, the radiator is installed to the side of box, IGBT module, inductor, diode, thyristor, current sensor, electric capacity board are installed to the side of radiator, the internally mounted of box has power control board, electric capacity, liquid crystal display, binding post. The utility model can improve the electric energy conversion efficiency; the direct current side is connected, so that the switching speed is improved; the radiator is arranged externally, so that the fan configuration is reduced, and the noise is reduced; the structure is simple and the volume is small; the protection circuit has the functions of under-voltage protection, over-temperature protection and overload protection; the RS-485 communication function is provided, and data communication with other equipment can be conveniently carried out.
Description
Technical Field
The utility model relates to an electric energy quality administers technical field, especially relates to a voltage sag administers device.
Background
In the modern society, human production and life cannot leave electric energy, the quality of the electric energy is more and more emphasized, and the voltage quality is taken as an important index of the electric energy quality and is related to the electricity consumption quality of people. Among many power management problems, the loss caused by voltage sag is the largest, and if the voltage sag cannot be effectively controlled, immeasurable economic loss is caused. The current treatment mode mainly takes an alternating voltage sag treatment device as a main part, and comprises an Uninterruptible Power Supply (UPS), a Dynamic Voltage Restorer (DVR) and the like.
In practical applications, a fault or a sudden large change in load at a certain position in a power grid will cause a large-area voltage sag of different degrees in the whole power grid, and cause different degrees of damage to power consumption equipment and the power grid itself. The existing voltage sag control device comprises an Uninterruptible Power Supply (UPS), a Dynamic Voltage Restorer (DVR) and the like, mainly adopts alternating current input/output, is slow in switching time, low in conversion efficiency, over-configured in capacity (the UPS generally adopts 2-4 times of load power allowance configuration), and has the problems of large size, complex structure, high noise and the like in structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a voltage sag treatment device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a voltage sag administers device, includes box and power module, the radiator is installed to the side of box, IGBT module, inductor, diode, thyristor, current sensor, electric capacity board are installed to the side of radiator, the internally mounted of box has power control board, electric capacity, liquid crystal display, binding post.
Preferably, the positive pole of the power module is connected with the positive pole pin of the switch, the negative pole pin of the switch is connected with the negative pole of the power module, the positive pole pin of the power module is connected with the input pin of the diode, the output pin of the diode is connected with the capacitor and the load, the capacitor is connected with the load, the pin far away from the diode on the capacitor and the load is connected with the negative pole of the power module, and the capacitor plates are connected to the two ends of the power module in parallel.
Preferably, the negative electrode of the power supply module is connected to a ground wire.
Preferably, the side of the box body is provided with a detachable cover plate.
Preferably, the radiator is provided with radiating fins, and the communication interface of the liquid crystal display screen is RS-485.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can improve the electric energy conversion efficiency; the direct current side is connected, so that the switching speed is improved; the radiator is arranged externally, so that the fan configuration is reduced, and the noise is reduced; the structure is simple and the volume is small; the protection circuit has the functions of under-voltage protection, over-temperature protection and overload protection; the RS-485 communication function is provided, and data communication with other equipment can be conveniently carried out.
Drawings
Fig. 1 is an axonometric view of a voltage sag management device proposed by the present invention;
fig. 2 is an isometric view of the inside of the box body of the voltage sag management device provided by the utility model;
fig. 3 is a top view of the inside of the box of the voltage sag control device according to the present invention;
fig. 4 is a circuit diagram of a voltage sag management device according to the present invention;
fig. 5 is an application diagram of the voltage sag control device according to the present invention.
In the figure: the circuit comprises a radiator 1, a box body 2, a cover plate 3, a liquid crystal display screen 4, a capacitor 5, a diode 6, a thyristor 7, a current sensor 8, a capacitor plate 9, an inductor 10, a power control plate 11, a current sensor 12, a wiring terminal 13, a power module 14, a load 15 and a switch 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, a voltage sag control device comprises a box body 2 and a power module 14, wherein a radiator 1 is installed on the side of the box body 2, an IGBT module 8, an inductor 10, a diode 6, a thyristor 7, a current sensor 12 and a capacitor plate 9 are installed on the side of the radiator 1, and a power control board 11, a capacitor 5, a liquid crystal display 4 and a wiring terminal 13 are installed inside the box body 2.
The positive pole of power module 14 is connected with the positive pole pin of switch 16, the negative pole pin of switch 16 is connected with the negative pole of power module 14, the positive pole pin of power module 14 is connected with the input pin of diode 6, the output pin of diode 6 is connected with electric capacity 5 and load 15, electric capacity 5 is connected with load 15, the pin of keeping away from diode 6 on electric capacity 5 and the load 15 is connected with the negative pole of power module 14, electric capacity board 9 connects in parallel to the both ends of power module 14, the negative pole of power module 14 inserts the ground wire.
The side of the box body 2 is provided with a detachable cover plate 3, the radiator 1 is provided with radiating fins, and the communication interface of the liquid crystal display screen 4 is RS-485.
The working principle is as follows:
the utility model discloses a voltage sag treatment device's principle is, when switch 16 is closed, power module 14 supplies energy to inductor 10, inductor 10 energy storage, diode 6 reverse bias ends, load 15 provides the energy by electric capacity 5, when switch 16 disconnection, diode 6 switches on, electric capacity 5 and load 15 absorb the energy that comes from inductor 10 and power module 14, can promote input direct current bus capacitance capacity through parallelly connected electric capacity board 9, and then can discharge fast when the converter bus loses the electricity, support direct current bus voltage.
The utility model discloses voltage sag administers device adopts energy memory direct current voltage input when concrete application, and alternating current electric wire netting normal during operation, the converter is given in the alternating current electric wire netting power supply, charges for energy memory simultaneously, when alternating current electric wire netting takes place the voltage sag, the utility model discloses can continuously supply power to the converter with microsecond level's speed output direct current replacement alternating current electric wire netting to ensure its uninterrupted operation.
The utility model discloses an among the voltage sag treatment device, box 2 can adopt the subrack structure, and radiator 1 can be external, adopts the air convection natural cooling, does not have the noise.
To sum up, the utility model can improve the electric energy conversion efficiency; the direct current side is connected, so that the switching speed is improved; the radiator is arranged externally, so that the fan configuration is reduced, and the noise is reduced; the structure is simple and the volume is small;
the protection circuit has the functions of under-voltage protection, over-temperature protection and overload protection; the RS-485 communication function is provided, and data communication with other equipment can be conveniently carried out.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a voltage sag administers device, includes box (2) and power module (14), its characterized in that, radiator (1) are installed to the side of box (2), IGBT module (8), inductor (10), diode (6), thyristor (7), current sensor (12), electric capacity board (9) are installed to the side of radiator (1), the internally mounted of box (2) has power control board (11), electric capacity (5), liquid crystal display (4), binding post (13).
2. The voltage sag control device according to claim 1, wherein an anode of the power module (14) is connected to an anode pin of a switch (16), a cathode pin of the switch (16) is connected to a cathode of the power module (14), the anode pin of the power module (14) is connected to an input pin of a diode (6), an output pin of the diode (6) is connected to a capacitor (5) and a load (15), the capacitor (5) is connected to the load (15), pins of the capacitor (5) and the load (15) far away from the diode (6) are connected to a cathode of the power module (14), and the capacitor plates (9) are connected to two ends of the power module (14) in parallel.
3. A voltage sag management device according to claim 2, wherein the negative pole of the power module (14) is connected to ground.
4. A voltage sag management device according to claim 1, wherein the side of the enclosure (2) is fitted with a removable cover (3).
5. The voltage sag control device according to claim 1, wherein the heat sink (1) is provided with heat dissipation fins, and the communication interface of the liquid crystal display (4) is RS-485.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022779813.9U CN213906317U (en) | 2020-11-26 | 2020-11-26 | Voltage sag treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022779813.9U CN213906317U (en) | 2020-11-26 | 2020-11-26 | Voltage sag treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213906317U true CN213906317U (en) | 2021-08-06 |
Family
ID=77122831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022779813.9U Withdrawn - After Issue CN213906317U (en) | 2020-11-26 | 2020-11-26 | Voltage sag treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213906317U (en) |
-
2020
- 2020-11-26 CN CN202022779813.9U patent/CN213906317U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210806 Effective date of abandoning: 20240122 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210806 Effective date of abandoning: 20240122 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |