CN210225276U - Power supply equipment - Google Patents
Power supply equipment Download PDFInfo
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- CN210225276U CN210225276U CN201921628162.4U CN201921628162U CN210225276U CN 210225276 U CN210225276 U CN 210225276U CN 201921628162 U CN201921628162 U CN 201921628162U CN 210225276 U CN210225276 U CN 210225276U
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- 238000001914 filtration Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 description 29
- 238000010586 diagram Methods 0.000 description 11
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- 238000004804 winding Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The application provides a power supply apparatus including an AC input module having a filtering function, an input filter, a rectifier, and a switch module. One end of the alternating current input module is connected with a power grid, and the other end of the alternating current input module is connected with one end of the input filter. The other end of the input filter is connected to one end of the rectifier. The other end of the rectifier is used as the output end of the power supply equipment. The switch module is arranged on a connecting loop formed by the alternating current input module, the input filter and the rectifier. When the switch module is in a closed state, the power supply equipment is in a power supply state; when the switch module is in the off state, the power supply device is in the non-power supply state. Therefore, the switch module is arranged in the power supply equipment, the output state of the power supply equipment is controlled through the on-off of the switch module, and an air circuit breaker is not required to be externally connected with the power supply equipment, so that the power supply equipment is prevented from tripping due to external interference factors, and the stable work of the power supply equipment is ensured.
Description
Technical Field
The application relates to the technical field of electrical control, in particular to power supply equipment.
Background
A large number of electrical devices are usually present in a communication room, and most of the electrical devices are powered by power supply devices. In order to control the power supply output of the power supply equipment, most of electrical equipment can work under stable voltage, and the power supply equipment can be externally connected with an air circuit breaker.
However, the air circuit breaker may trigger a trip due to electromagnetic or external unforgeable interference inside the communication equipment room. In addition, because the electrical cabinet space where the power supply equipment is located is limited, the additionally arranged air circuit breaker is very limited, and therefore, the installation of the air circuit breaker for part of the power supply equipment may be omitted. Therefore, the normal operation of all the electrical equipment in the communication machine room can be greatly influenced.
SUMMERY OF THE UTILITY MODEL
The application provides a power supply unit, and aims to avoid the problem that the normal work of electrical equipment is influenced because of external interference factors triggering tripping because of an external air circuit breaker of the power supply unit in a communication machine room.
In order to achieve the above object, the present application provides the following technical solutions:
a first aspect of an embodiment of the present application discloses a power supply apparatus, including:
the AC input module with the filtering function, the input filter, the rectifier and the switch module;
one end of the alternating current input module is connected with a power grid, and the other end of the alternating current input module is connected with one end of the input filter;
the other end of the input filter is connected with one end of the rectifier;
the other end of the rectifier is used as the output end of the power supply equipment;
the switch module is arranged on a connecting loop formed by the alternating current input module, the input filter and the rectifier;
when the switch module is in a closed state, the power supply equipment is in a power supply state; when the switch module is in the off state, the power supply device is in the non-power supply state.
Optionally, in the power supply device, one end of the switch module is connected to the other end of the ac input module, and the other end of the switch module is connected to one end of the input filter.
Optionally, in the power supply device, one end of the switch module is connected to the power grid, and the other end of the switch module is connected to one end of the ac input module.
Optionally, in the power supply apparatus, one end of the switch module is connected to the other end of the input filter, and the other end of the switch module is connected to one end of the rectifier.
Optionally, in the above power supply apparatus, the switch module includes:
a double contact relay.
Optionally, in the above power supply apparatus, the switch module includes:
a contactor is provided.
Optionally, in the above power supply apparatus, the switch module includes:
the circuit comprises an insulated gate bipolar transistor and a driving circuit for controlling the on or off of the insulated gate bipolar transistor.
Optionally, in the power supply apparatus, the power supply apparatus further includes:
a fuse tube;
the protective tube and the switch module are connected in series on a connecting loop formed by the alternating current input module, the input filter and the rectifier.
The power supply device comprises an alternating current input module with a filtering function, an input filter, a rectifier and a switch module. One end of the alternating current input module is connected with a power grid, and the other end of the alternating current input module is connected with one end of the input filter. The other end of the input filter is connected to one end of the rectifier. The other end of the rectifier is used as the output end of the power supply equipment. The switch module is arranged on a connecting loop formed by the alternating current input module, the input filter and the rectifier. When the switch module is in a closed state, the power supply equipment is in a power supply state; when the switch module is in the off state, the power supply device is in the non-power supply state. Therefore, the switch module is arranged in the power supply equipment, the output state of the power supply equipment is controlled through the on-off of the switch module, and an air circuit breaker is not required to be externally connected with the power supply equipment, so that the power supply equipment is prevented from tripping due to external interference factors, and the stable work of the power supply equipment is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power supply apparatus according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another power supply device provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of another power supply device provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of another power supply device provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of another power supply device provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of another power supply device provided in an embodiment of the present application;
fig. 7 is a circuit diagram of a power supply device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, a schematic structural diagram of a power supply device provided in an embodiment of the present application includes:
an ac input module 100 with filtering function, an input filter 200, a rectifier 300 and a switching module 400.
One end of the ac input module 100 is connected to the power grid, and the other end is connected to one end of the input filter 200.
The other end of the input filter 200 is connected to one end of the rectifier 300.
The other end of the rectifier 300 serves as an output terminal of the power supply apparatus.
The switching module 400 is provided in a connection loop formed by the ac input module 100, the input filter 200, and the rectifier 300.
It should be noted that the switch module 400 is disposed at a specific position on the connection loop formed by the ac input module 100, the input filter 200 and the rectifier 300, and can be set by a technician according to actual situations.
Alternatively, as shown in fig. 1, one end of the switch module 400 is connected to the other end of the ac input module 100, and the other end is connected to one end of the input filter 200.
Alternatively, as shown in fig. 2, one end of the switch module 400 is connected to the power grid, and the other end is connected to one end of the ac input module 100.
It should be noted that, because the live line and the neutral line exist in the power grid, the switch module 400 may be disposed in the live line connection loop or the neutral line connection loop of the input filter 200 and the power grid.
Alternatively, as shown in fig. 3, one end of the switching module 400 is connected to the other end of the input filter 200, and the other end is connected to one end of the rectifier 300.
Alternatively, as shown in fig. 4, one end of the switch module 400 is connected to the other end of the rectifier 300, and the other end of the switch module 400 is used as an output end of the power supply device.
Wherein, when the switch module 400 is in the closed state, the power supply device is in the power supply state. When the switching module 400 is in the off state, the power supply apparatus is in the non-power supply state.
Optionally, the switch module 400 includes a dual contact relay.
It should be noted that the specific type of the dual-contact relay can be set by a technician according to actual situations, and the embodiment of the present application is not limited.
Optionally, the switch module 400 includes a contactor.
It should be noted that the specific type of the contactor may be set by a skilled person according to actual conditions, and the embodiment of the present application is not limited.
Optionally, the switch module 400 includes an insulated gate bipolar transistor and a driving circuit for controlling the insulated gate bipolar transistor to be turned on or off.
It should be noted that the specific type of the igbt may be set by a skilled person according to an actual situation, for example, the igbt may be an MOS transistor, and the embodiment of the present application is not limited. In addition, the driving circuit for controlling the on/off of the igbt is a conventional technique for those skilled in the art, and is not described here.
In an embodiment of the present application, a power supply apparatus includes an ac input module having a filtering function, an input filter, a rectifier, and a switching module. One end of the alternating current input module is connected with a power grid, and the other end of the alternating current input module is connected with one end of the input filter. The other end of the input filter is connected to one end of the rectifier. The other end of the rectifier is used as the output end of the power supply equipment. The switch module is arranged on a connecting loop formed by the alternating current input module, the input filter and the rectifier. When the switch module is in a closed state, the power supply equipment is in a power supply state; when the switch module is in the off state, the power supply device is in the non-power supply state. Therefore, the switch module is arranged in the power supply equipment, the output state of the power supply equipment is controlled through the on-off of the switch module, and an air circuit breaker is not required to be externally connected with the power supply equipment, so that the power supply equipment is prevented from tripping due to external interference factors, and the stable work of the power supply equipment is ensured.
It should be noted that, since the power supply device generates a large inrush current at the start-up moment, in order to effectively protect each electronic component inside the power supply device, a fuse is added in the power supply device. The protective tube and the switch module are connected in series on a connecting loop formed by the alternating current input module, the input filter and the rectifier. For example, an ac input module and/or an input filter and/or a rectifier may be disposed between the fuse and the switch module, the fuse and the switch module may be disposed between the ac input module and the input filter, and the fuse and the switch module may be disposed between the ac input module and the power grid.
Optionally, as shown in fig. 5, a schematic structural diagram of another power supply device provided in the embodiment of the present application includes:
the ac input module 100 with filtering function, the input filter 200, the rectifier 300, the switch module 400 and the fuse 500.
One end of the ac input module 100 is connected to the power grid, and the other end is connected to one end of the fuse 500.
It should be noted that the specific type of the safety tube 500 can be selected by the skilled person according to the actual situation, and the embodiment of the present application is not limited.
The other end of the input filter 200 is connected to one end of the rectifier 300.
The other end of the rectifier 300 serves as an output terminal of the power supply apparatus.
One end of the switch module 400 is connected to the other end of the fuse 500, and the other end is connected to one end of the input filter 200.
It should be noted that the specific position of the safety tube 500 can be set by the technician according to the actual situation, and is not limited to the position provided in the embodiment of the present application.
Wherein, when the switch module 400 is in the closed state, the power supply device is in the power supply state. When the switching module 400 is in the off state, the power supply apparatus is in the non-power supply state.
In the embodiment of the application, the power supply equipment comprises an alternating current input module with a filtering function, an input filter, a rectifier, a switch module and a fuse. One end of the alternating current input module is connected with a power grid, and the other end of the alternating current input module is connected with one end of the protective tube. The other end of the input filter is connected to one end of the rectifier. The other end of the rectifier is used as the output end of the power supply equipment. One end of the switch module is connected with the other end of the protective tube, and the other end of the switch module is connected with one end of the input filter. When the switch module is in a closed state, the power supply equipment is in a power supply state; when the switch module is in the off state, the power supply device is in the non-power supply state. Therefore, the switch module is arranged in the power supply equipment, the output state of the power supply equipment is controlled through the on-off of the switch module, and an air circuit breaker is not required to be externally connected with the power supply equipment, so that the power supply equipment is prevented from tripping due to external interference factors, and the stable work of the power supply equipment is ensured. In addition, the safety tube is added to the power supply equipment, so that electronic elements in the power supply equipment can be effectively protected.
Optionally, as shown in fig. 6, a schematic structural diagram of another power supply device provided in the embodiment of the present application includes:
a filtering socket 100 with a filtering function, an input filter 200, a rectifier 300, a switch module 400 and a fuse 500.
The live wire input end of the filtering socket 100 is connected to the live wire of the power grid, the neutral wire input end is connected to the neutral wire of the power grid, and the output end is connected to the input end of the input filter 200 via the fuse 500.
The output of the input filter 200 is connected via a switching module 400 to a first input of a rectifier 300, and the neutral terminal is connected to the neutral of the power grid.
A second input of the rectifier 300 is connected to the neutral line of the power network and the output is used as the output of the power supply device.
Optionally, based on the connection relationship between the functional module devices in the power supply device, a circuit diagram of the power supply device is as shown in fig. 7 for the electronic components included in each of the functional module devices, and includes:
the filter jack 100 includes:
the capacitor comprises a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a first inductor L1 and a second inductor L2.
One end of the first capacitor C1 is connected to one end of the first inductor L1, and the other end is connected to one end of the second inductor L2.
The other end of the first inductor L1 is connected to one end of the second capacitor C2 and one end of the fifth capacitor C5, respectively.
The other end of the second inductor L2 is connected to one end of the third capacitor C3 and one end of the fourth capacitor C4, respectively.
The other terminal of the second capacitor C2 is connected to ground.
The other terminal of the third capacitor C3 is connected to ground.
The other terminal of the fourth capacitor C4 is connected to ground.
The other terminal of the fifth capacitor C5 is connected to ground.
The common connection point of one end of the first capacitor C1 and one end of the first inductor L1 is connected to the live line of the power grid.
The common connection point of the other end of the first capacitor C1 and one end of the second inductor L2 is connected to the neutral line of the power grid.
The input filter 200 includes:
the inductor comprises a third inductor L3, a fourth inductor L4, a first voltage dependent resistor MOV1, a second voltage dependent resistor MOV2, a first current limiting resistor RB1, a second current limiting resistor RB2, a third current limiting resistor RB3, a first relay KB, a first resistor R1, a second resistor R2, a sixth capacitor C6 and a winding power supply REL.
The switch module 400 includes: and a double-contact relay SW.
The fuse tube 500 includes: and a fuse tube FB.
One end of the third inductor L3 is connected to the other end of the first inductor L1, one end of the second capacitor C2, and one end of the fifth capacitor C5, respectively, and the other end is connected to one end of the fuse FB.
One end of the fourth inductor L4 is connected to the other end of the second inductor L2, one end of the third capacitor C3, and one end of the fourth capacitor C4, respectively, and the other end is connected to one end of the first varistor MOV1, one end of the second resistor R2, one end of the second varistor MOV2, one end of the first current limiting resistor RB1, and one end of the sixth capacitor C6, respectively.
The other end of the fuse tube FB is connected to the other end of the first varistor MOV1, one end of the first resistor R1, one end of the second current limiting resistor RB2, one end of the third current limiting resistor RB3, and one end of the first relay KB1, respectively.
The other end of the second varistor MOV2 is connected to one end of the double-contact relay SW, one end of the winding power supply REL, the other end of the first current-limiting resistor RB1, and the other end of the sixth capacitor C6, respectively
The other end of the second current limiting resistor RB2 is connected to the other end of the third current limiting resistor RB3 and the other end of the double-contact relay SW, respectively.
The other end of the first relay KB1 is connected to the other end of the winding power source REL.
The other end of the first resistor R1 is connected to ground.
The other end of the second resistor R2 is connected to ground.
The rectifier 300 includes:
a rectifier bridge D1-D4, a seventh capacitor C7 and a third varistor MOV 3.
The first ends of the rectifier bridges D1-D4 are respectively connected with one end of a double-contact relay SW, the other end of a second piezoresistor MOV2, one end of a winding power supply REL, the other end of a first current-limiting resistor RB1 and the other end of a sixth capacitor C6; the second end is respectively connected with the other end of the fourth inductor L4, one end of the first piezoresistor MOV1, one end of the second piezoresistor MOV2, one end of the second current-limiting resistor RB2 and one end of the sixth capacitor C6; the third end is respectively connected with one end of a seventh capacitor C7 and one end of a third piezoresistor MOV 3; the fourth terminal is connected to the other terminal of the seventh capacitor C7 and the other terminal of the third varistor MOV 3.
The third terminal and the fourth terminal of the rectifier bridge D1-D4 together form the output terminal of the power supply device.
It should be noted that, when the dual-contact relay SW is closed, the power grid supplies power to the power supply device, and at this time, the winding power supply REL is started, so that the first relay KB1 is closed, and the power supply device performs output power supply. When the dual-contact relay SW is turned off, the winding power source REL is turned off, so that the first relay KB1 is turned off, and the power supply device stops outputting the power supply. Therefore, the output state (power supply or non-power supply) of the power supply equipment can be controlled only by controlling the on/off of the double-contact relay SW, and an air circuit breaker is not required to be externally connected with the power supply equipment.
In summary, the present application provides a power supply device, which includes an ac input module having a filtering function, an input filter, a rectifier, a switch module, and a fuse. One end of the alternating current input module is connected with a power grid, and the other end of the alternating current input module is connected with one end of the protective tube. The other end of the input filter is connected to one end of the rectifier. The other end of the rectifier is used as the output end of the power supply equipment. One end of the switch module is connected with the other end of the protective tube, and the other end of the switch module is connected with one end of the input filter. When the switch module is in a closed state, the power supply equipment is in a power supply state; when the switch module is in the off state, the power supply device is in the non-power supply state. Therefore, the switch module is arranged in the power supply equipment, the output state of the power supply equipment is controlled through the on-off of the switch module, and an air circuit breaker is not required to be externally connected with the power supply equipment, so that the power supply equipment is prevented from tripping due to external interference factors, and the stable work of the power supply equipment is ensured. In addition, the safety tube is added to the power supply equipment, so that electronic elements in the power supply equipment can be effectively protected.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A power supply apparatus, characterized by comprising:
the AC input module with the filtering function, the input filter, the rectifier and the switch module;
one end of the alternating current input module is connected with a power grid, and the other end of the alternating current input module is connected with one end of the input filter;
the other end of the input filter is connected with one end of the rectifier;
the other end of the rectifier is used as the output end of the power supply equipment;
the switch module is arranged on a connecting loop formed by the alternating current input module, the input filter and the rectifier;
when the switch module is in a closed state, the power supply equipment is in a power supply state; when the switch module is in the off state, the power supply device is in the non-power supply state.
2. The power supply apparatus according to claim 1, wherein one end of the switch module is connected to the other end of the ac input module, and the other end is connected to one end of the input filter.
3. The power supply apparatus according to claim 1, wherein one end of the switch module is connected to the grid, and the other end is connected to one end of the ac input module.
4. The power supply apparatus according to claim 1, wherein one end of the switching module is connected to the other end of the input filter, and the other end is connected to one end of the rectifier.
5. The power supply apparatus according to claim 1, wherein the switch module comprises:
a double contact relay.
6. The power supply apparatus according to claim 1, wherein the switch module comprises:
a contactor is provided.
7. The power supply apparatus according to claim 1, wherein the switch module comprises:
the circuit comprises an insulated gate bipolar transistor and a driving circuit for controlling the on or off of the insulated gate bipolar transistor.
8. The power supply apparatus according to claim 1, further comprising:
a fuse tube;
the protective tube and the switch module are connected in series on a connecting loop formed by the alternating current input module, the input filter and the rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628162.4U CN210225276U (en) | 2019-09-27 | 2019-09-27 | Power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628162.4U CN210225276U (en) | 2019-09-27 | 2019-09-27 | Power supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210225276U true CN210225276U (en) | 2020-03-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921628162.4U Active CN210225276U (en) | 2019-09-27 | 2019-09-27 | Power supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210225276U (en) |
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2019
- 2019-09-27 CN CN201921628162.4U patent/CN210225276U/en active Active
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