CN213027000U - Three-phase programmable voltage-stabilized power supply - Google Patents
Three-phase programmable voltage-stabilized power supply Download PDFInfo
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- CN213027000U CN213027000U CN202021822028.0U CN202021822028U CN213027000U CN 213027000 U CN213027000 U CN 213027000U CN 202021822028 U CN202021822028 U CN 202021822028U CN 213027000 U CN213027000 U CN 213027000U
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- power supply
- fixedly connected
- cabinet
- transformer
- indicating lamp
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- 230000001105 regulatory Effects 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000001681 protective Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000000875 corresponding Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000000051 modifying Effects 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 5
- 230000003245 working Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000002093 peripheral Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates TO a constant voltage power supply technical field just discloses a three-phase constant voltage power supply able TO programme, which comprises a cabinet, fixedly connected with transformer on the inside diapire of rack, the last fixed surface of transformer is connected with modular unit, modular unit's last fixed surface is connected with the TO board. This three-phase constant voltage power supply able to programme, through the filter circuit in the modular unit who sets up, can filter higher harmonic and smooth output waveform, can improve three-phase constant voltage power supply able to programme's electromagnetic compatibility, every IGBT of crossing over at direct current bus constitutes a looks, every IGBT module is controlled its switch-on and shut-off by pulse width modulation signal, pulse width modulation ripples is connected on LC filter circuit, with filtering higher harmonic and smooth output waveform, thereby it is good to reach the working effect, the stable effect of output voltage, in case break down, can turn off the power supply immediately, make the user, the consumer, three-phase constant voltage power supply able to programme itself the risk and fall to minimumly, the security of device has been improved.
Description
Technical Field
The utility model relates to a constant voltage power supply technical field specifically is a three-phase constant voltage power supply able to programme.
Background
The regulated power supply is an electronic device capable of providing stable alternating current or direct current for a load, and comprises an alternating current regulated power supply and a direct current regulated power supply. When the voltage of the power grid or the load fluctuates instantly, the voltage amplitude of the voltage-stabilized power supply is compensated at the response speed of 10-30ms, so that the voltage amplitude is stabilized within +/-2%.
The conventional voltage-stabilized power supply mainly comprises a linear voltage-stabilized power supply and a switching voltage-stabilized power supply, has the advantages of attractive appearance, convenience in use and low cost, and can not filter out higher harmonics and smooth output waveforms when in use, so that the problem of poor working effect is caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a less than prior art, the utility model provides a three-phase constant voltage power supply able to programme possesses advantages such as ability filtering higher harmonic and smooth output waveform, has solved the poor problem of working effect.
(II) technical scheme
For the purpose that realizes above-mentioned ability filtering higher harmonic and smooth output waveform, the utility model provides a following technical scheme: a three-phase programmable voltage-stabilized power supply comprises a cabinet, wherein a transformer is fixedly connected TO the inner bottom wall of the cabinet, a module unit is fixedly connected TO the upper surface of the transformer, a TO plate is fixedly connected TO the upper surface of the module unit, a control plate is fixedly connected TO the upper surface of the module unit, a switching power supply is fixedly connected TO the outer surface of the module unit, a display screen is fixedly connected TO the outer surface of the cabinet, the display screen is electrically connected with the module unit, an indicator lamp set is fixedly connected TO the front surface of the module unit, the indicator lamp set is positioned above the display screen, an input idle switch is fixedly connected TO the front surface of the transformer, an emergency stop button is arranged on the front surface of the transformer, a first capacitor is arranged on the back surface of the transformer, two second capacitors are fixedly connected TO the inner bottom wall of the cabinet, and an output terminal and an input, the back fixedly connected with output of rack is empty to be opened, output is empty to be opened and is located the top of input terminal, install three radiator fan through the bolt on the inside lateral wall of rack, radiator fan with the modular unit is to corresponding.
Preferably, the front and the side of the cabinet are both provided with a ventilation mesh, and the number of the ventilation mesh is more than ten and is a rectangular array.
Preferably, the lower surface of the cabinet is fixedly connected with four movable casters, and the four movable casters are uniformly distributed on the lower surface of the cabinet.
Preferably, the indicator light group comprises a power indicator light, an operation indicator light and a fault indicator light, the power indicator light is red, the operation indicator light is green, and the fault indicator light is yellow.
Preferably, the bottom wall of the interior of the cabinet is connected with two L-shaped supporting plates through bolts, and the top ends of the two L-shaped supporting plates are fixedly connected with the transformer.
Preferably, the outer surface of the cabinet is provided with two protective shells, and the protective shells correspond to the heat radiation fans.
Preferably, the output terminal includes four interfaces a, b, C and n, and the input terminal includes three interfaces A, B and C.
Preferably, a filter circuit and an inverter output circuit are disposed inside the module unit.
(III) advantageous effects
Compared with the prior art, the utility model provides a three-phase constant voltage power supply able to programme possesses following beneficial effect:
(1) before the three-phase programmable regulated power supply is used and connected with a power supply device and an input cable, whether parameters such as voltage, current, frequency, phase number and the like of the power supply device conform to requirements of the three-phase programmable regulated power supply or not is checked, the power supply device can meet the requirements of the three-phase programmable regulated power supply, and the power supply device serving as an input power supply is reliably grounded. When selecting and installing power supply units, please refer to and comply with local electrical standards.
(2) This three-phase constant voltage power supply able to programme, when using, through the filter circuit in the modular unit who sets up, can filter out higher harmonic and smooth output waveform, can improve three-phase constant voltage power supply able to programme's electromagnetic compatibility, every IGBT of crossing over at direct current bus constitutes a looks, every IGBT module is controlled its switch-on and shutoff by pulse width modulation signal, pulse width modulation ripples is connected on LC filter circuit, with filtering higher harmonic and smooth output waveform, thereby reach work effect well, the effect of the voltage stabilization of output, in case break down, can turn off the power immediately, make the user, the consumer, three-phase constant voltage power supply able to programme itself the risk and fall to minimumly, the security that has improved the device.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a left side view structure diagram of the present invention;
fig. 3 is a schematic view of the back view structure of the present invention;
fig. 4 is a schematic diagram of the explosion structure of the present invention;
FIG. 5 is a schematic diagram of the filter circuit structure of the present invention
Fig. 6 is a schematic diagram of an output circuit structure according to the present invention.
In the figure: 1. a control panel; 2. a TO board; 3. a transformer; 4. a fault indicator light; 5. an operation indicator light; 6. a power indicator light; 7. a display screen; 8. inputting an idle switch; 9. an emergency stop button; 10. moving the caster; 11. a cabinet; 12. a first capacitor; 13. a second capacitor; 14. an output terminal; 15. outputting an idle switch; 16. an input terminal; 17. a heat radiation fan; 18. a module unit; 19. a power supply is switched on and off.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring TO fig. 1-6, a three-phase programmable regulated power supply comprises a cabinet 11, a transformer 3 is fixedly connected TO the inner bottom wall of the cabinet 11, a module unit 18 is fixedly connected TO the upper surface of the transformer 3, a TO plate 2 is fixedly connected TO the upper surface of the module unit, a control plate 1 is fixedly connected TO the upper surface of the module unit 18, a switching power supply 19 is fixedly connected TO the outer surface of the module unit 18, a display 7 is fixedly connected TO the outer surface of the cabinet 11, the display 7 is electrically connected TO the module unit, an indicator light set is fixedly connected TO the front surface of the module unit 18 and is positioned above the display 7, an input idle switch 8 is fixedly connected TO the front surface of the transformer 3, an emergency stop button 9 is arranged on the front surface of the transformer 3, a first capacitor 13 is arranged on the back surface of the transformer 3, and two second capacitors 12 are, an output terminal 14 and an input terminal 16 are fixedly mounted on the back of the cabinet 11, an output air switch 15 is fixedly connected to the back of the cabinet 11, the output air switch 15 is located above the input terminal 16, three heat dissipation fans 17 are mounted on the inner side wall of the cabinet 11 through bolts, and the heat dissipation fans 17 correspond to the module units 18.
Further, a ventilation mesh has all been seted up to the front and the side of rack 11, and the quantity of ventilation mesh is greater than ten, and is the rectangular array, plays the effect of ventilation, convenient heat dissipation.
Further, four caster 10 are fixedly connected to the lower surface of the cabinet 11, and the four caster 10 are uniformly distributed on the lower surface of the cabinet 11.
Further, the pilot lamp group includes power indicator 6, operation pilot lamp 5 and trouble pilot lamp 4, and power indicator 6's colour is red, and operation pilot lamp 5's colour is green, and trouble pilot lamp 4's colour is yellow, makes things convenient for the staff to judge the different operating condition of device.
Further, there are two L shape backup pads through bolted connection on the inside diapire of rack 11, with transformer 3 fixed connection between the top of two L shape backup pads, provide holding power and certain working height for transformer 3.
Further, the outer surface of the cabinet 11 is provided with two protective shells, and the protective shells correspond to the cooling fan 17, so that the protective effect is achieved, the contact between foreign matters and fan blades of the cooling fan 17 is avoided, and the safety of the device is improved.
Further, the output terminal 14 includes four interfaces a, b, C, and n, and the input terminal 16 includes three interfaces A, B and C.
Further, a filter circuit and an inverter output circuit are provided inside the module unit 18.
In summary, before the three-phase programmable regulated power supply is used and connected to the power supply device via the input cable, the three-phase programmable regulated power supply needs to check whether the parameters of the power supply device, such as voltage, current, frequency, and number of phases, match the requirements of the three-phase programmable regulated power supply, so as to ensure that the power supply device can meet the requirements of the three-phase programmable regulated power supply, and ensure that the power supply device serving as the input power supply is reliably grounded. When selecting and installing power supply units, please refer to and comply with local electrical standards.
This three-phase constant voltage power supply able to programme, when using, through the filter circuit in the modular unit 18 who sets up, can filter out higher harmonic and smooth output waveform, can improve three-phase constant voltage power supply able to programme's electromagnetic compatibility, every IGBT of crossing over at direct current bus constitutes a looks, every IGBT module is controlled its switch-on and turn-off by pulse width modulation signal, pulse width modulation ripples is connected on LC filter circuit, with filtering higher harmonic and smooth output waveform, thereby reach work efficiency good, the effect of the voltage stabilization of output, in case break down, can turn off the power immediately, make the user, the consumer, the risk of three-phase constant voltage power supply able to programme itself reduces to minimumly, the security that has improved the device.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means matured in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, no specific description is provided here, meanwhile, the electric elements appearing in the specification are electrically connected with the external main controller and the mains supply, the peripheral controller mentioned in the specification can play a control role for the electric elements mentioned in the specification, and the peripheral controller is the conventional known equipment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A three-phase programmable voltage-stabilized power supply comprises a cabinet (11), and is characterized in that: the power supply cabinet is characterized in that a transformer (3) is fixedly connected TO the bottom wall inside the cabinet (11), a module unit (18) is fixedly connected TO the upper surface of the transformer (3), a TO plate (2) is fixedly connected TO the upper surface of the module unit (18), a control plate (1) is fixedly connected TO the upper surface of the module unit (18), a switching power supply (19) is fixedly connected TO the outer surface of the module unit (18), a display screen (7) is fixedly connected TO the outer surface of the cabinet (11), the display screen (7) is electrically connected with the module unit, an indicating lamp set is fixedly connected TO the front surface of the module unit (18), the indicating lamp set is positioned above the display screen (7), an input idle switch (8) is fixedly connected TO the front surface of the transformer (3), an emergency stop button (9) is arranged on the front surface of the transformer (3), a first capacitor (13) is arranged on the back surface of, two second electric capacity (12) of fixedly connected with on the inside diapire of rack (11), the back fixed mounting of rack (11) has output terminal (14) and input terminal (16), the back fixedly connected with output of rack (11) is empty to open (15), output is empty to open (15) and is located the top of input terminal (16), install three radiator fan (17) through the bolt on the inside lateral wall of rack (11), radiator fan (17) with modular unit (18) are to corresponding.
2. A three-phase programmable regulated power supply according to claim 1 wherein: the front and the side of the cabinet (11) are provided with a ventilation mesh, and the number of the ventilation mesh is more than ten and is a rectangular array.
3. A three-phase programmable regulated power supply according to claim 1 wherein: the lower surface of the cabinet (11) is fixedly connected with four movable caster wheels (10), and the four movable caster wheels (10) are uniformly distributed on the lower surface of the cabinet (11).
4. A three-phase programmable regulated power supply according to claim 1 wherein: the indicating lamp group comprises a power supply indicating lamp (6), an operation indicating lamp (5) and a fault indicating lamp (4), wherein the color of the power supply indicating lamp (6) is red, the color of the operation indicating lamp (5) is green, and the color of the fault indicating lamp (4) is yellow.
5. A three-phase programmable regulated power supply according to claim 1 wherein: the transformer cabinet is characterized in that two L-shaped supporting plates are connected to the bottom wall of the inner portion of the cabinet (11) through bolts, and the top ends of the two L-shaped supporting plates are fixedly connected with the transformer (3).
6. A three-phase programmable regulated power supply according to claim 1 wherein: the outer surface of the cabinet (11) is provided with two protective shells, and the protective shells correspond to the heat radiation fans (17).
7. A three-phase programmable regulated power supply according to claim 1 wherein: the output terminal (14) comprises four interfaces of a, b, C and n, and the input terminal (16) comprises three interfaces of A, B and C.
8. A three-phase programmable regulated power supply according to claim 1 wherein: and a filter circuit and an inverter output circuit are arranged in the module unit (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021822028.0U CN213027000U (en) | 2020-08-27 | 2020-08-27 | Three-phase programmable voltage-stabilized power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021822028.0U CN213027000U (en) | 2020-08-27 | 2020-08-27 | Three-phase programmable voltage-stabilized power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213027000U true CN213027000U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021822028.0U Active CN213027000U (en) | 2020-08-27 | 2020-08-27 | Three-phase programmable voltage-stabilized power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213027000U (en) |
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2020
- 2020-08-27 CN CN202021822028.0U patent/CN213027000U/en active Active
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