CN212572098U - Power supply and distribution device - Google Patents
Power supply and distribution device Download PDFInfo
- Publication number
- CN212572098U CN212572098U CN202020918488.7U CN202020918488U CN212572098U CN 212572098 U CN212572098 U CN 212572098U CN 202020918488 U CN202020918488 U CN 202020918488U CN 212572098 U CN212572098 U CN 212572098U
- Authority
- CN
- China
- Prior art keywords
- unit
- conversion unit
- voltage
- power supply
- output
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model provides a power supply and distribution device for reduce power supply and distribution device's volume and improve power supply and distribution device's electric energy utilization. This power supply and distribution device includes: the power supply comprises a first power distribution unit, a first conversion unit, a second conversion unit, a first output unit and a second output unit; the first power distribution unit is connected with the first conversion unit and used for outputting a first voltage output by the power supply to the first conversion unit; the first conversion unit is connected with the second conversion unit and the second output unit and is used for converting the first voltage into a second voltage; the second conversion unit is connected with the first output unit and used for converting the first part of the second voltage into a third voltage and outputting the third voltage to the first output unit; the first output unit is used for outputting the third voltage to the first load group; the second output unit is used for outputting a second part of the second voltage to the second load group; the first portion and the second portion constitute a second voltage.
Description
Technical Field
The utility model relates to a power electronic technology field especially relates to a supply distribution device.
Background
In a traditional data center power supply and distribution structure, the data center power supply and distribution structure at least comprises four links of medium-voltage power distribution, medium-voltage power transformation, low-voltage power distribution and low-voltage power supply, wherein a large number of devices are arranged between input power input to medium-voltage configuration and low-voltage power supply for supplying power to loads, the devices are divided and placed at different positions according to functions, the physical intervals of different functional areas are established by the loose power supply mode of the layout, the devices are divided into mutually independent power transformation and distribution electronic systems, and then the power supply subsystems are connected below the power transformation and distribution electronic systems in a hanging mode.
However, in the actual application of the power supply and distribution structure, the backup power supplies always have fragment capacity of about 5-15%, and in addition, operation and maintenance spaces are reserved in different cabinets (different functional areas), so that the effective area of a machine room is greatly wasted, and the space utilization rate is lower.
Because different related professional engineering interfaces of medium-voltage and low-voltage power supply and distribution are involved, the construction is complex and the period is long, and after the subsystems are delivered respectively, the subsystems need to be jointly debugged on field equipment, so that the rapid investment and use are influenced. Meanwhile, cables are used for connecting different devices, so that the pressure drop of the system is increased, additional fault points are added, and the reliability of the system is reduced. Unnecessary electric energy loss and operation cost are increased, and the electric energy utilization rate is reduced.
Therefore, the existing power supply and distribution structure needs further improvement and optimization.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power supply and distribution device for reduce power supply and distribution device's volume and improve power supply unit's electric energy utilization.
The embodiment of the application provides a power supply and distribution device, this power supply and distribution device arranges in the switch board for a plurality of loads power supply, the device can include: the power supply device comprises a first power distribution unit, a first conversion unit, a second conversion unit, a first output unit and a second output unit. The first power distribution unit is connected with the first conversion unit, the first conversion unit is respectively connected with the second conversion unit and the second output unit, and the second conversion unit is connected with the first output unit.
The first power distribution unit is used for being connected with a power supply and controlling the first voltage output by the power supply to be output to the first conversion unit; the first conversion unit is used for converting the received first voltage into a second voltage; the second conversion unit is used for converting the first part of the second voltage into a third voltage and outputting the third voltage to the first output unit; the first output unit is used for outputting the third voltage to the first load group; the second output unit is used for outputting a second part of the second voltage to the second load group. Wherein the first portion and the second portion constitute a second voltage.
Adopt above-mentioned structure frame, the adoption divides the electric energy of first conversion unit output into two parts, and export respectively for first output unit and second output unit, two output units are the power supply of two load groups respectively, the load in the first load group all supplies power through first output unit promptly, the load in the second load group all supplies power through second output unit, thereby avoid carrying out the big problem of occupation space area that distributed's power supply caused because a plurality of loads are a large amount of, and supply thing among the distribution device all to set up in the switch board, all loads all acquire the electric energy through the port in the switch board, the connecting wire that has reduced the inside device of power supply distribution device and the length of the connecting wire that supplies distribution device and load, thereby the loss of wire has been reduced, the utilization ratio of electric energy has been improved.
In one possible design, the second conversion unit includes: at least one AC-to-DC conversion circuit and a DC bus;
the input end of each AC-DC conversion circuit in the at least one AC-DC conversion circuit is respectively connected with the first conversion unit, and the output end of each AC-DC conversion circuit is respectively connected with the DC bus;
the direct current bus is connected with the first output unit.
By adopting the device structure, the voltage output by the power supply can be converted into the power supply voltage of the first load group through the second conversion units, and then the power is supplied to the direct current loads connected with the first output unit, so that the power supply requirement of the loads is met.
And when the electric energy required by the first load group is less, the number of the alternating current-to-direct current conversion circuits can be reduced, so that the electric energy loss is reduced, and the electric energy utilization rate of the power supply and distribution device is improved.
In one possible design, the second conversion unit includes; at least one AC-to-AC conversion circuit and an AC bus;
the input end of each AC-to-AC conversion circuit in the at least one AC-to-AC conversion circuit is respectively connected with the first conversion unit; the output end of each AC-to-AC conversion circuit is respectively connected with an AC bus;
the alternating current bus is connected with the first output unit.
By adopting the device structure, the voltage output by the power supply can be converted into the power supply voltage of the first load group through the second conversion units, and then the power is supplied to the alternating current loads connected with the first output unit, so that the power supply requirement of the loads is met.
And when the electric energy required by the first load group is less, the number of the alternating current-to-direct current conversion circuits can be reduced, so that the electric energy loss is reduced, and the electric energy utilization rate of the power supply and distribution device is improved.
In one possible design, the first conversion unit includes: a transformer;
the transformer comprises a primary winding and at least one secondary winding, the primary winding is connected with the first power distribution unit, and the at least one secondary winding is respectively connected with the second conversion unit.
Adopt above-mentioned device structure, carry out the step-down through the transformer with the electric energy of power supply output, export respectively for second converting unit and second output unit after obtaining the supply voltage that meets the requirements to the scheme of this application can set up a plurality of secondary winding, and when one of them secondary winding breaks down, the equipment of being connected with other secondary winding can normally work, satisfies the power supply and distribution demand.
In one possible design, the first output unit includes: a plurality of second power distribution units;
the input sides of the second power distribution units are respectively connected with the second conversion units, the output sides of the second power distribution units are respectively connected with at least one load in the first load group, and each of the second power distribution units is used for acquiring a part of first electric energy from the second conversion unit and outputting the acquired electric energy to the corresponding connected load.
By adopting the device structure, because the power supply voltages of the plurality of loads in the first load group are the same, but the required powers are different, therefore, in order to improve the electric energy utilization rate of the power supply and distribution device, the electric energy output by the second conversion unit can be distributed according to the difference of the electric energy required by the plurality of loads before the power supply is carried out on the loads in the first load group, so as to meet the power supply requirements of the loads and improve the electric energy utilization rate of the power supply and distribution device.
In one possible design, the second output unit includes: a plurality of third power distribution units;
the input sides of the second power distribution units are respectively connected with the first conversion unit, the output sides of the second power distribution units are respectively connected with at least one load in the second load group, and each of the third power distribution units is used for acquiring part of electric energy of the second part and outputting the acquired electric energy to the corresponding connected load.
By adopting the device structure, because the power supply voltages of the plurality of loads in the second load group are the same, but the required powers are different, therefore, in order to improve the electric energy utilization rate of the power supply and distribution device, the second part of electric energy output by the first conversion unit can be distributed according to the difference of the electric energy required by the plurality of loads before the power supply is carried out on the loads in the second load group, so as to meet the power supply requirements of the loads and improve the electric energy utilization rate of the power supply and distribution device.
In a possible design, the power supply and distribution device provided by the embodiment of the present invention may further include a thermocouple and a heat dissipation device;
the thermocouple is connected with the first conversion unit in parallel, and is used for detecting the temperature of the first conversion unit and controlling the connection between the first power distribution unit and the power supply according to the detected temperature;
the heat dissipation device is connected with the first power distribution unit, the first conversion unit, the second conversion unit, the first output unit and the second output unit and used for dissipating heat of the first power distribution unit, the first conversion unit, the second conversion unit, the first output unit and the second output unit.
By adopting the device structure, the heat dissipation device can dissipate heat of the devices contained in the device, so as to ensure that the power supply and distribution device is not damaged due to overheating. In addition, the thermocouple can be adopted to detect the power supply and distribution device in real time, and when the temperature in the power supply and distribution device is overhigh in the detection channel, the power supply and distribution device are disconnected, so that the safety of devices in the power supply and distribution device is guaranteed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention and are not to constitute an undue limitation on the invention.
Fig. 1 is a first schematic structural diagram of a power supply and distribution apparatus according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a power supply and distribution apparatus according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram three of a power supply and distribution apparatus according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a power supply and distribution apparatus according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a first output unit according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a second output unit according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.
The "plurality" in the embodiment of the present application means two or more. "at least one" means one or more than one. "or", which describes the association relationship of the associated objects, means that there may be two relationships, e.g., a or B, which may mean: a alone and B alone, where A, B may be singular or plural.
In the present application embodiments, "exemplary," "in some embodiments," "in another embodiment," and the like are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, the term using examples is intended to present concepts in a concrete fashion.
It should be noted that the terms "first," "second," and the like in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or order. The terms equal to or greater than or equal to in the embodiments of the present application may be used with greater than or equal to, and are applicable to the technical solutions adopted when greater than or equal to, and may also be used with less than or equal to, and are applicable to the technical solutions adopted when less than or equal to, it should be noted that when equal to or greater than or equal to, it is not used with less than; when the ratio is equal to or less than the combined ratio, the ratio is not greater than the combined ratio.
The embodiment of the application provides a power supply and distribution device, which avoids the problem of large occupied area caused by a distributed power supply device by concentrating load centralized power supply with the same power supply voltage, and reduces the length of connecting wires of internal devices of the power supply device and the connecting wires of the power supply device and the load by adopting the power supply mode, thereby reducing the loss of the wires and improving the utilization rate of electric energy.
As shown in fig. 1, for a schematic structural view of a power supply and distribution apparatus provided in an embodiment of the present application, the apparatus 100 may be disposed in a power distribution cabinet. Specifically, the power supply and distribution apparatus 100 may include: a first power distribution unit 101, a first conversion unit 102, a second conversion unit 103, a first output unit 104, and a second output unit 105.
The first power distribution unit 101 may be connected to the first conversion unit 102, the first conversion unit 102 may be connected to the second conversion unit 103 and the second output unit 105, and the second conversion unit 103 may be connected to the first output unit 104.
The first power distribution unit 101 may be configured to be connected to a power supply and configured to output a first voltage output by the power supply to the first conversion unit 102. The first conversion unit 102 may be used to convert the received first voltage into a second voltage. The second converting unit 103 may be configured to convert the first portion of the second voltage into a third voltage and output the third voltage to the first output unit 104. The first output unit 104 may be configured to output the third voltage to the first load group. The second output unit 105 may be used to output a second portion of the second voltage to the second load group. Wherein the first portion of the second voltage and the second portion of the second voltage constitute the second voltage.
Further, the positive and negative directions of the third voltage received by the plurality of loads included in the first load group may be the same, and the positive and negative directions of the third voltage received by the plurality of loads included in the first load group may be the same, which may mean: if the plurality of loads included in the first load group are connected in parallel, one end of each of the plurality of loads receiving a high potential is connected to one end of the first output unit 104 outputting a high potential, and one end of each of the plurality of loads receiving a low potential is connected to one end of the first output unit 104 outputting a low potential.
Further, the positive and negative directions of the second portion of the second voltage received by the plurality of loads included in the second load group may be the same, and the positive and negative directions of the third voltage received by the plurality of loads included in the first load group may be the same, which may mean: if the plurality of loads included in the first load group are connected in parallel, one end of each of the plurality of loads receiving a high potential is connected to one end of the first output unit 104 outputting a high potential, and one end of each of the plurality of loads receiving a low potential is connected to one end of the first output unit 104 outputting a low potential.
Specifically, after the electric energy output by the power supply is distributed through the first power distribution unit 101, the electric energy output by the first conversion unit 102 is divided into two parts, the two parts of electric energy are respectively output to the first output unit 104 and the second output unit 105, and the two output units are respectively used for supplying power to the two load groups, namely, the loads in the first load group are all supplied with power through the first output unit 104, the loads in the second load group are all supplied with power through the second output unit 105, so that the problem of large occupied space area caused by distributed power supply due to a plurality of loads is avoided, the things in the power supply and distribution device 100 are all arranged in the power distribution cabinet, all the loads obtain the electric energy through the ports or the notches arranged in the power distribution cabinet, and the lengths of the connecting wires of the devices in the power supply and distribution device 100 and the connecting wires of the loads are reduced, thereby reducing the loss of the lead and improving the utilization rate of electric energy.
It should be understood that, in order to ensure the safety of the internal devices of the power supply and distribution apparatus 100 and the operation safety of the power supply and distribution apparatus 100, the power supply and distribution apparatus 100 provided in the embodiments of the present application may further include: a thermocouple and a heat sink.
Wherein a thermocouple is connected in parallel with the first converting unit 102, and the thermocouple may be used to detect the temperature of the first converting unit 102 and control the connection of the first converting unit 102 and the first power distribution unit 101 according to the detected temperature.
Specifically, when the thermocouple detects that the temperature of the first conversion unit 102 is greater than the preset threshold, a warning is issued and the disconnection between the first power distribution unit 101 and the first conversion unit 102 is controlled to be disconnected, so that the connection between the first conversion unit 102 and the power supply is disconnected, and the safety of devices in the power supply and distribution device 100 is protected. The preset threshold may be set according to an application scenario of the power supply and distribution apparatus 100, and a specific value is not limited in this application embodiment.
The heat dissipation device may be connected to the first power distribution unit 101, the first conversion unit 102, the second conversion unit 103, the first output unit 104, and the second output unit 105, respectively, and may be configured to dissipate heat of the first power distribution unit 101, the first conversion unit 102, the second conversion unit 103, the first output unit 104, and the second output unit 105.
When the power supply and distribution device 100 provided by the present application is used to supply power to a load, as shown in fig. 2, a voltage value of a second portion of the second voltage output by the second output unit may be difficult to meet a power supply requirement of the second load group, before the second portion of the second voltage is output to the second output unit 105, a third conversion unit 106 may be further provided, and the third conversion unit 106 may convert the second portion of the second voltage into a fourth voltage and output the fourth voltage to the second output unit 105, and output the fourth voltage to the second load group after being distributed by the second output unit 105. And the fourth voltage is the supply voltage of the second load group.
In one example, as shown in fig. 3, the plurality of loads included in the first load group and the plurality of loads included in the second load group may be the same loads (taking the third load group as an example), in order to achieve the power supply reliability of the power supply and distribution apparatus 100, the plurality of loads included in the third load group may be supplied with power through the first output unit 104, and when the first output unit 104 fails, the plurality of loads included in the third load group may be supplied with power through the second output unit 105, and the plurality of loads in the third load group may be kept continuously operating. Wherein the first load group and the second load group constitute a third load group.
It should be understood that, as shown in fig. 4, the voltage value of the second voltage may be difficult to meet the power supply requirement of the third load group, and before the second part of the second voltage is output to the second output unit 105, the second part of the second voltage may also be converted into the fourth voltage by the third conversion unit 106 and then output to the second output unit 105, and the fourth voltage may also be distributed by the second output unit 105 and then output to the third load group. And the fourth voltage is the supply voltage of the third load group.
Next, specific configurations of the first power distribution unit 101, the first conversion unit 102, the second conversion unit 103, the first output unit 104, and the second output unit 105 in the power supply and distribution apparatus 100 will be described.
A first power distribution unit 101
The first power distribution unit 101 may be connected to the first conversion unit 102, and the first power distribution unit may be configured to be connected to a power supply, obtain power from the power supply, and output a first voltage output by the power supply to the first conversion unit 102.
Specifically, the first conversion unit 102 may obtain corresponding power from the power supply according to the power required by the first load group and the second load group connected to the power supply and distribution apparatus 100, and output the obtained power.
By way of example, the first power distribution unit 101 may be a power distribution box.
Second and first conversion units 102
The first conversion unit 102 may be connected to the second conversion unit 103 and the second output unit 105, respectively, and the first conversion unit 102 may be configured to receive a first voltage and convert the received first voltage into a second voltage.
Specifically, the first conversion unit 102 may include: a transducer.
In an example, to reduce the cost of the power supply and distribution apparatus 100, the transformer includes a primary winding connected to the first power distribution unit 102 and at least one secondary winding connected to the second conversion unit 103 and the second output unit 105, respectively.
In another example, to avoid that the entire power supply and distribution device 100 cannot operate when the secondary winding of the transformer fails, the transformer may include: a transformer having a primary winding and a plurality of secondary windings.
Specifically, when one secondary winding fails, devices and loads connected with other secondary windings can work normally, and power supply and distribution reliability is improved.
Third and second conversion units 103
The second converting unit 103 may be connected to the first output unit 104, and the second converting unit 103 may be configured to receive a first portion of the second voltage, convert the first portion of the second voltage into a third voltage, and output the third voltage to the first output unit 104.
The second conversion unit 103 provided in the embodiment of the present application may have the following two structures according to the type of the load device in the first load group (dc power supply or ac power supply), and the second conversion unit 103 is described in detail below with reference to the following two ways.
In the first mode, the loads included in the first load group are supplied with alternating current.
The second conversion unit 103 may include: at least one AC to AC conversion circuit and an AC bus.
The input end of each of the at least one ac-to-ac conversion circuit is connected to the first conversion unit 102; the output end of each AC-to-AC conversion circuit is respectively connected with an AC bus; the ac bus is connected to the first output unit 104.
In one example, the second converting unit 103 may include an ac-to-ac converting circuit for facilitating control of devices in the power supply and distribution apparatus 100.
In another example, the second conversion unit 103 may include a plurality of ac to ac conversion circuits.
Specifically, since there may be a situation where a part of the loads in the first load group to which the power distribution apparatus 100 is connected do not work, in which case the power required by the first load group is reduced, in order to reduce the loss of the device, the part of the ac-to-ac conversion circuit may be turned off.
In the second mode, the loads in the first load group are supplied with direct current.
The second conversion unit 103 may include: at least one AC-to-DC conversion circuit and a DC bus.
The input end of each AC-DC conversion circuit in the at least one AC-DC conversion circuit is respectively connected with the first conversion unit 102, and the output end of each AC-DC conversion circuit is respectively connected with the DC bus; the dc bus is connected to the first output unit 104.
In an example, for convenience of controlling the devices in the power supply and distribution apparatus 100, the second conversion unit 103 may include an ac-to-dc conversion circuit.
In another example, the second conversion unit 103 may include a plurality of ac to dc conversion circuits.
Specifically, since there may be a situation where a part of the loads in the first load group to which the power distribution apparatus 100 is connected do not work, in this case, the power required by the first load group is reduced, and in order to reduce the loss of the device, a part of the ac-dc conversion circuit implementation may be turned off.
Fourth, first output unit 104
The first output unit 104 may be configured to be connected to the first load group, and may be further configured to receive a third voltage and output the third voltage to the first load group. The first load group comprises a plurality of loads.
It should be understood that the operating voltages of the plurality of loads included in the first load group are all the third voltages, but the loads have different powers and require different electric energies, and in order to avoid energy waste, the plurality of loads may be supplied with electric energies according to the electric energies required by the plurality of loads included in the first load group.
Specifically, the first output units 104 may include a plurality of second power distribution units, input sides of the plurality of second power distribution units are respectively connected to the second conversion units 103, and an output side of each of the plurality of second power distribution units is respectively connected to at least one load in the first load group. Each of the plurality of second power distribution units may be configured to obtain a part of the power of the third voltage from the second conversion unit 103, and output the obtained power to a corresponding connected load.
For example, as shown in fig. 5, as a possible structure of the first output unit 104, in fig. 5, the first output unit 104 is respectively connected to the second conversion unit 103 and a first load group, where the first load group includes N loads, the first output unit 104 includes N second power distribution units, and the N loads are respectively connected to the N second power distribution units.
Specifically, the 1 st to nth second power distribution units respectively obtain corresponding electric energy from the second conversion unit 103 according to the electric energy required by the connected load, and distribute the electric energy to the connected load.
In an example, the second power distribution unit may be a distribution box, and may also be other devices or chips that can implement distribution of electric energy, and the comparison in this embodiment of the application is not limited in detail.
Fifth and second output unit 105
The second output unit 105 may be configured to be connected to the second load group, and may be further configured to receive a second portion of the second voltage and output the second portion of the second voltage to the second load group. Wherein the second load group comprises a plurality of loads.
It should be understood that the operating voltages of the plurality of loads included in the second load group are all the third voltages, but the loads have different powers and require different electric energies, and in order to avoid energy waste, the plurality of loads may be supplied with electric energies according to the electric energies required by the plurality of loads included in the second load group.
Specifically, the second output unit 105 may include a plurality of third power distribution units, input sides of which are respectively connected to the first conversion unit 102, and an output side of each of which is respectively connected to at least one load of the second load group. Each of the plurality of third power distribution units may be configured to obtain a part of the power in the second voltage second portion from the first conversion unit 102, and output the obtained power to a corresponding connected load.
For example, as shown in fig. 6, as a possible structure of the second output unit 105, in fig. 6, the second output unit 105 is respectively connected to the first conversion unit 102 and a second load group, where the second load group includes N loads, the second output unit 105 includes N third power distribution units, and the N loads are respectively connected to the N third power distribution units.
Specifically, the 1 st to nth third power distribution units respectively obtain corresponding electric energy from the first conversion unit 102 according to the electric energy required by the connected loads, and distribute the electric energy to the connected loads.
In an example, the third power distribution unit may be a distribution box, and may also be other devices or chips that can implement distribution of electric energy, and the comparison in this embodiment of the application is not limited in detail.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
In addition, the system structure and the service scenario provided in the embodiment of the present application are mainly used to explain some possible implementations of the technical solution of the present application, and should not be interpreted as a unique limitation to the technical solution of the present application. As can be appreciated by those skilled in the art, as the system evolves and newer service scenarios arise, the technical solution provided in the present application may still be applicable to the same or similar technical problems.
Claims (7)
1. The utility model provides a power supply and distribution device, power supply and distribution device arranges in the switch board, its characterized in that includes: the power supply comprises a first power distribution unit, a first conversion unit, a second conversion unit, a first output unit and a second output unit;
the first power distribution unit is connected with the first conversion unit, is used for being connected with a power supply and is used for outputting a first voltage output by the power supply to the first conversion unit;
the first conversion unit is respectively connected with the second conversion unit and the second output unit, and is used for converting the received first voltage into a second voltage;
the second conversion unit is connected with the first output unit and is used for converting a first part of the second voltage into a third voltage and outputting the third voltage to the first output unit;
the first output unit is used for outputting the third voltage to a first load group;
the second output unit is used for outputting a second part of the second voltage to a second load group; the first portion and the second portion constitute the second voltage.
2. The apparatus of claim 1, wherein the second conversion unit comprises: at least one AC-to-DC conversion circuit and a DC bus;
the input end of each AC-DC conversion circuit in the at least one AC-DC conversion circuit is respectively connected with the first conversion unit, and the output end of each AC-DC conversion circuit is respectively connected with the DC bus;
the direct current bus is connected with the first output unit.
3. The apparatus of claim 1, wherein the second conversion unit comprises; at least one AC-to-AC conversion circuit and an AC bus;
the input end of each AC-to-AC conversion circuit in the at least one AC-to-AC conversion circuit is respectively connected with the first conversion unit; the output end of each AC-to-AC conversion circuit is respectively connected with the AC bus;
the alternating current bus is connected with the first output unit.
4. The apparatus according to any one of claims 1-3, wherein the first conversion unit comprises: a transformer;
the transformer comprises a primary winding and at least one secondary winding, the primary winding is connected with the first power distribution unit, and the at least one secondary winding is respectively connected with the second conversion unit.
5. The apparatus of any one of claims 1-3, wherein the first output unit comprises: a plurality of second power distribution units;
the input sides of the second power distribution units are respectively connected with the second conversion units, the output sides of the second power distribution units are respectively connected with at least one load in the first load group, and each of the second power distribution units is used for acquiring a part of electric energy of the first part from the second conversion unit and outputting the acquired electric energy to the corresponding connected load.
6. The apparatus of any one of claims 1-3, wherein the second output unit comprises: a plurality of third power distribution units;
the input sides of the third power distribution units are respectively connected with the first conversion unit, the output sides of the third power distribution units are respectively connected with at least one load in the second load group, and each of the third power distribution units is used for acquiring part of the electric energy of the second part and outputting the acquired electric energy to the correspondingly connected loads.
7. The apparatus of any one of claims 1-3, further comprising: a thermocouple and a heat sink;
the thermocouple is connected with the first conversion unit in parallel, and is used for detecting the temperature of the first conversion unit and controlling the connection between the first conversion unit and the power supply according to the detected temperature;
the heat dissipation device is connected with the first power distribution unit, the first conversion unit, the second conversion unit, the first output unit and the second output unit, and the heat dissipation device is used for dissipating heat of the first power distribution unit, the first conversion unit, the second conversion unit, the first output unit and the second output unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020918488.7U CN212572098U (en) | 2020-05-26 | 2020-05-26 | Power supply and distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020918488.7U CN212572098U (en) | 2020-05-26 | 2020-05-26 | Power supply and distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212572098U true CN212572098U (en) | 2021-02-19 |
Family
ID=74633007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020918488.7U Active CN212572098U (en) | 2020-05-26 | 2020-05-26 | Power supply and distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212572098U (en) |
-
2020
- 2020-05-26 CN CN202020918488.7U patent/CN212572098U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150180233A1 (en) | Uninterruptible power supply apparatus | |
| US8289736B2 (en) | Conversion of AC lines to HVDC lines | |
| US8310099B2 (en) | Energy supply in which a plurality of components disposed along a transmission route each transform a voltage | |
| EP2755298A2 (en) | Power system for data center | |
| CN104734140A (en) | Multi-input direct-current modular electrical system and control method thereof | |
| CN212572098U (en) | Power supply and distribution device | |
| WO2021017563A1 (en) | Power supply device and control method | |
| US11225160B2 (en) | Energy storage device charging system applied to solid state transformer structure and three-phase power system having the same | |
| US20230137732A1 (en) | Power Conversion System, Power Conversion Module, and Processing Apparatus | |
| CN112751412A (en) | Communication power supply system | |
| CN111293864B (en) | Remote power distribution device architecture integrating multiple power conversion functions | |
| CN104065156A (en) | Parallel cross input wiring device of 2N power supply system | |
| CN209994282U (en) | Power supply circuit with single-channel input and multi-channel output | |
| CN114793012A (en) | AC-DC hybrid data center power supply system and data center machine room | |
| EP0932237B1 (en) | Electric power distribution system | |
| CN210608692U (en) | Monitoring system for multiple low-voltage winding sides | |
| CN112994007A (en) | Remote power distribution unit architecture based on PWM rectification | |
| CN203674712U (en) | Multi-input direct current modularization electrical system | |
| US20230396063A1 (en) | Power supply and distribution system for data center | |
| CN218301007U (en) | AC-DC integrated power supply | |
| CN215896135U (en) | Three-phase isolation transformer with phase-shifting coil and power supply and distribution system | |
| CN106953370A (en) | A kind of electric power system of power system electronic equipment | |
| CN218071329U (en) | Direct current power supply system based on phase-shifting transformer | |
| CN217388236U (en) | Parallel operation unit | |
| CN216056337U (en) | Power distribution interlocking system based on limited power supply capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |