CN219535212U - Overvoltage protector for uninterrupted power supply - Google Patents
Overvoltage protector for uninterrupted power supply Download PDFInfo
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- CN219535212U CN219535212U CN202320790044.3U CN202320790044U CN219535212U CN 219535212 U CN219535212 U CN 219535212U CN 202320790044 U CN202320790044 U CN 202320790044U CN 219535212 U CN219535212 U CN 219535212U
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- power supply
- shell body
- overvoltage protection
- cover plate
- outer shell
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Abstract
The utility model discloses an uninterruptible power supply overvoltage protection device which comprises a power supply main body, wherein the power supply main body is arranged in an outer shell, a cover plate is arranged above the outer shell, a supporting lug is arranged below the outer shell, the power supply main body is provided with an electric control panel and a connecting column above the cover plate, and the electric control panel and the connecting column are fixedly connected with the cover plate; the protector subassembly, it sets up the top of apron, and protector subassembly and apron fixed connection, the protector subassembly includes bleeder resistor, circuit breaker and voltage collector, and bleeder resistor, circuit breaker and voltage collector establish ties with power source main part and spliced pole, bleeder resistor's inside is provided with the variable resistor, and this uninterrupted power source sets up bleeder resistor on output circuit, triggers bleeder resistor increase resistance when taking place the excessive pressure, and the voltage that bleeder resistor distributes increases for output voltage reduces, can satisfy different degree overvoltage protection function, realizes the overvoltage protection effect.
Description
Technical Field
The utility model relates to the technical field of overvoltage protection, in particular to an uninterruptible power supply overvoltage protection device.
Background
The uninterrupted power supply is a system device which connects a storage battery with a host, converts direct current into commercial power through a module circuit such as a host inverter, and the like, when the commercial power is normally input, the UPS stabilizes the commercial power and supplies the commercial power to a load for use, and the UPS is an alternating current type electric stabilizer at the moment and charges an internal battery of the machine; when the commercial power is interrupted, the UPS immediately supplies the direct-current electric energy of the battery to the load by a method of switching and converting of the inverter, so that the load keeps normal work and soft and hardware of the load are protected from damage.
The utility model discloses a plc power supply overvoltage protection device, which comprises an overvoltage protection circuit, wherein the overvoltage protection circuit comprises an integrated circuit, a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first diode, a second diode, a triode and a field effect transistor, the model number of the integrated circuit is MAX6495, the plc power supply overvoltage protection device has the overvoltage protection function, the third resistor and the first diode (zener diode) are added to clamp the first end of the integrated circuit, the maximum input voltage is increased, the triode is added, the current requirement of the integrated circuit can be reduced, the working stability of the overvoltage protection circuit is improved, and the plc power supply overvoltage protection device is reasonable in design and suitable for popularization and use.
When overvoltage occurs in the use process of the existing uninterruptible power supply, overvoltage protection is achieved through the set capacitor energy absorption, the capacitor works for a long time, so that the capacity is insufficient for overvoltage protection, the circuit is directly cut off through the set breaker, the overvoltage protection effect is reduced, and the use requirement cannot be met.
Disclosure of Invention
The utility model aims to provide an overvoltage protection device for an uninterruptible power supply, which solves the problems that when overvoltage occurs in the use process of the conventional uninterruptible power supply in the background technology, the overvoltage protection is realized through the energy absorption of a capacitor, the capacitor works for a long time to ensure that the capacity is insufficient for overvoltage protection, and then a circuit is directly cut off through a circuit breaker, so that the overvoltage protection effect is reduced, and the use requirement cannot be met.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an uninterruptible power supply overvoltage protection device, includes the shell body, still includes:
the power supply main body is arranged in the outer shell, a cover plate is arranged above the outer shell and connected with the outer shell through screws, a supporting lug is arranged below the outer shell and fixedly connected with the outer shell, an electric control panel and a connecting column are arranged above the cover plate, and the electric control panel and the connecting column are fixedly connected with the cover plate;
the protector subassembly, it sets up the top of apron, and protector subassembly and apron fixed connection, the protector subassembly includes bleeder resistor, circuit breaker and voltage acquisition ware, and bleeder resistor, circuit breaker and voltage acquisition ware and power main part and spliced pole establish ties, bleeder resistor's inside is provided with the variable resistance.
Preferably, the bottom of shell body is provided with the mounting groove, and the mounting groove corresponds the setting with the power main part, the one end of power main part extends to the inside of mounting groove, the inside of mounting groove is provided with insulating pad, and insulating pad and shell body are connected as an organic wholely.
Preferably, the inside of shell body is provided with porous clamp plate, and porous clamp plate is provided with four, and four porous clamp plates set up in the outside of power main part, four all be provided with the spring between porous clamp plate and the shell body, and the both ends of spring respectively with shell body and porous clamp plate elastic connection.
Preferably, the inner side of the outer shell is provided with a heat dissipation fan, the heat dissipation fan is fixedly connected with the outer shell, one side of the heat dissipation fan is provided with a dust screen, the dust screen is connected with the outer shell into a whole, a temperature sensor is arranged in the outer shell, and the temperature sensor is fixedly connected with the outer shell.
Preferably, the inside of shell body is provided with the dry piece, and the dry piece is provided with four, and dry piece and shell body fixed connection, four the dry piece sets up in the four corners of shell body.
Preferably, the upper end of apron is provided with the recess, the inside of recess is provided with U type and carries the frame, and U type carries the frame and be provided with two, and two U type carry the frame and set up in the both sides of apron, U type carries the frame and rotates with the apron and be connected.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the device, through the arrangement of the protector component, the protector component comprises the voltage dividing resistor, the circuit breaker and the voltage collector, the voltage collector measures the output voltage, when overvoltage occurs, the resistance of the voltage dividing resistor is correspondingly increased, the voltage distributed by the voltage dividing resistor is increased, so that the output voltage is reduced, the overvoltage protection function is realized, the circuit breaker can cut off power supply, the trigger is not eliminated for a long time when the overvoltage occurs, and the overvoltage protection function is also realized;
2. according to the device, through the arrangement of the porous pressing plate and the spring, the spring enables the multi-Kong Yaban to have a buffer function, the porous pressing plate is contacted with the power supply main body, the limiting effect on the power supply main body can be achieved, the vibration reduction effect can be achieved, and the working stability of the uninterruptible power supply is improved;
3. the device of the utility model is provided with the temperature sensor and the heat dissipation fan, the heat dissipation fan quickens the air flow, the heat in the uninterruptible power supply is discharged faster, the working temperature environment of the uninterruptible power supply is controlled, the temperature sensor measures the inner layer temperature of the uninterruptible power supply, and the working temperature of the uninterruptible power supply is conveniently monitored.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a cross-sectional view of the outer housing of the present utility model;
fig. 4 is a block diagram of a protector assembly of the present utility model.
In the figure: 1. an outer housing; 2. supporting the bump; 3. a dust screen; 4. a cover plate; 5. a U-shaped lifting frame; 6. an electric control panel; 7. a protector assembly; 8. a connecting column; 9. a groove; 10. a voltage dividing resistor; 11. a porous platen; 12. a spring; 13. a mounting groove; 14. a power supply main body; 15. an insulating pad; 16. drying the blocks; 17. a temperature sensor; 18. a heat dissipation fan; 19. a circuit breaker; 20. a voltage collector.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: an uninterruptible power supply overvoltage protection device, which comprises an outer shell 1 and further comprises:
the power supply main body 14 is arranged in the outer shell 1, the cover plate 4 is arranged above the outer shell 1, the cover plate 4 is connected with the outer shell 1 through screws, the supporting protruding block 2 is arranged below the outer shell 1, the supporting protruding block 2 is fixedly connected with the outer shell 1, the power supply main body 14 is arranged above the cover plate 4, the electric control panel 6 and the connecting column 8 are arranged above the cover plate 4, and the electric control panel 6 and the connecting column 8 are fixedly connected with the cover plate 4;
the protector subassembly 7, it sets up in the top of apron 4, and protector subassembly 7 and apron 4 fixed connection, and protector subassembly 7 includes bleeder resistor 10, circuit breaker 19 and voltage collector 20, and bleeder resistor 10, circuit breaker 19 and voltage collector 20 are established ties with power main part 14 and spliced pole 8, and bleeder resistor 10's inside is provided with the variable resistance.
When in use, the utility model is characterized in that: the electric equipment is connected with the connecting column 8, the voltage collector 20 measures output voltage, the measured voltage value is processed and analyzed, the voltage dividing resistor 10 is triggered when overvoltage occurs, the resistance of the voltage dividing resistor 10 is correspondingly increased, the voltage distributed by the voltage dividing resistor 10 is increased, the output voltage is reduced, an overvoltage protection function is realized, the circuit breaker 19 is triggered when the overvoltage is not eliminated for a long time, the output circuit is cut off, and the overvoltage protection function can be also realized.
Referring to fig. 2, a mounting groove 13 is formed in the bottom of the outer casing 1, the mounting groove 13 is arranged corresponding to the power supply main body 14, one end of the power supply main body 14 extends to the inside of the mounting groove 13, an insulating pad 15 is arranged in the mounting groove 13, the insulating pad 15 is connected with the outer casing 1 into a whole, the power supply main body 14 can be mounted through the mounting groove 13, and the insulating pad 15 can play an insulating role and a buffering role.
Referring to fig. 2 and 3, the inside of the outer casing 1 is provided with a plurality of porous pressing plates 11, the plurality of porous pressing plates 11 are four, the four porous pressing plates 11 are arranged outside the power supply main body 14, springs 12 are arranged between the four porous pressing plates 11 and the outer casing 1, two ends of each spring 12 are respectively elastically connected with the outer casing 1 and the porous pressing plates 11, the porous pressing plates 11 are provided with a buffer function through the springs 12, the porous pressing plates 11 are in contact with the power supply main body 14, so that the power supply main body 14 can be limited, vibration reduction can be achieved, and the working stability of the uninterruptible power supply can be improved.
Referring to fig. 1 and 3, a heat dissipation fan 18 is disposed on the inner side of the outer casing 1, the heat dissipation fan 18 is fixedly connected with the outer casing 1, a dust screen 3 is disposed on one side of the heat dissipation fan 18, the dust screen 3 is integrally connected with the outer casing 1, a temperature sensor 17 is disposed in the outer casing 1, the temperature sensor 17 is fixedly connected with the outer casing 1, air flow is quickened through the heat dissipation fan 18, heat in the uninterruptible power supply is discharged faster, the temperature sensor 17 measures the temperature of the inner layer of the uninterruptible power supply, and monitoring of the working temperature of the uninterruptible power supply is facilitated.
Referring to fig. 3, a drying block 16 is disposed inside the outer casing 1, four drying blocks 16 are disposed inside the outer casing 1, and the drying blocks 16 are fixedly connected with the outer casing 1, and the four drying blocks 16 are disposed at four corners of the outer casing 1, and absorb moisture in the uninterruptible power supply through the drying blocks 16, so as to keep the internal environment of the uninterruptible power supply dry.
Referring to fig. 1 and 2, a groove 9 is formed at the upper end of the cover plate 4, a U-shaped lifting frame 5 is arranged in the groove 9, two U-shaped lifting frames 5 are arranged on two sides of the cover plate 4, the U-shaped lifting frames 5 are rotatably connected with the cover plate 4, and the U-shaped lifting frames 5 facilitate carrying of the uninterruptible power supply.
Working principle: the electric equipment is connected with the connecting column 8, the voltage collector 20 measures the output voltage, the measured voltage value is processed and analyzed, the voltage dividing resistor 10 is triggered when overvoltage occurs, the resistance of the voltage dividing resistor 10 is correspondingly increased, so that the voltage distributed by the voltage dividing resistor 10 is increased, the output voltage is reduced, an overvoltage protection function is realized, the circuit breaker 19 is triggered when the overvoltage is not eliminated for a long time, the output circuit is cut off, and the overvoltage protection function can be also realized; the spring 12 enables the porous pressing plate 11 to have a buffering function, and enables the porous pressing plate 11 to be in contact with the power supply main body 14, so that the limiting function on the power supply main body 14 can be achieved, the vibration reduction function can be achieved, and the working stability of the uninterruptible power supply is improved.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An uninterruptible power supply overvoltage protection device, includes shell body (1), its characterized in that still includes:
the power supply main body (14) is arranged in the outer shell (1), a cover plate (4) is arranged above the outer shell (1), the cover plate (4) is connected with the outer shell (1) through screws, a supporting protruding block (2) is arranged below the outer shell (1), the supporting protruding block (2) is fixedly connected with the outer shell (1), the power supply main body (14) is arranged above the cover plate (4), an electric control panel (6) and a connecting column (8) are arranged above the cover plate (4), and the electric control panel (6) and the connecting column (8) are fixedly connected with the cover plate (4);
the protector subassembly (7), it sets up the top of apron (4), and protector subassembly (7) and apron (4) fixed connection, protector subassembly (7) are including bleeder resistor (10), circuit breaker (19) and voltage collector (20), and bleeder resistor (10), circuit breaker (19) and voltage collector (20) are established ties with power main part (14) and spliced pole (8), the inside of bleeder resistor (10) is provided with the variable resistance.
2. An uninterruptible power supply overvoltage protection device according to claim 1, wherein: the bottom of shell body (1) is provided with mounting groove (13), and mounting groove (13) correspond setting with power main part (14), the inside of mounting groove (13) is extended to the one end of power main part (14), the inside of mounting groove (13) is provided with insulating pad (15), and insulating pad (15) are connected as an organic wholely with shell body (1).
3. An uninterruptible power supply overvoltage protection device according to claim 1, wherein: the inside of shell body (1) is provided with porous clamp plate (11), and porous clamp plate (11) are provided with four, and four porous clamp plate (11) set up the outside at power main part (14), four all be provided with spring (12) between porous clamp plate (11) and shell body (1), and the both ends of spring (12) are respectively with shell body (1) and porous clamp plate (11) elastic connection.
4. An uninterruptible power supply overvoltage protection device according to claim 1, wherein: the inside of shell body (1) is provided with heat dissipation fan (18), and heat dissipation fan (18) and shell body (1) fixed connection, one side of heat dissipation fan (18) is provided with dust screen (3), and dust screen (3) are connected as an organic wholely with shell body (1), the inside of shell body (1) is provided with temperature sensor (17), and temperature sensor (17) and shell body (1) fixed connection.
5. An uninterruptible power supply overvoltage protection device according to claim 1, wherein: the inside of shell body (1) is provided with drying block (16), and drying block (16) are provided with four, and drying block (16) and shell body (1) fixed connection, four drying block (16) set up in the four corners of shell body (1).
6. An uninterruptible power supply overvoltage protection device according to claim 1, wherein: the upper end of apron (4) is provided with recess (9), the inside of recess (9) is provided with U type and carries and draw frame (5), and U type carries and draw frame (5) and be provided with two, and two U type carry and draw frame (5) set up in the both sides of apron (4), U type carries and draw frame (5) and apron (4) rotation connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320790044.3U CN219535212U (en) | 2023-04-11 | 2023-04-11 | Overvoltage protector for uninterrupted power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320790044.3U CN219535212U (en) | 2023-04-11 | 2023-04-11 | Overvoltage protector for uninterrupted power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219535212U true CN219535212U (en) | 2023-08-15 |
Family
ID=87586028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320790044.3U Active CN219535212U (en) | 2023-04-11 | 2023-04-11 | Overvoltage protector for uninterrupted power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219535212U (en) |
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2023
- 2023-04-11 CN CN202320790044.3U patent/CN219535212U/en active Active
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