CN213602125U - Power distribution unit and power supply system - Google Patents
Power distribution unit and power supply system Download PDFInfo
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- CN213602125U CN213602125U CN202022407837.1U CN202022407837U CN213602125U CN 213602125 U CN213602125 U CN 213602125U CN 202022407837 U CN202022407837 U CN 202022407837U CN 213602125 U CN213602125 U CN 213602125U
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Abstract
The embodiment of the utility model provides a relate to industry electrical technology field, disclose a power distribution unit and power supply system, wherein, the power distribution unit includes: a housing; the first plug end is arranged on the shell and used for connecting power supply equipment; the second plug end is arranged on the shell and used for connecting electric equipment; the contactor is accommodated in the shell, is respectively connected with the first insertion end and the second insertion end and is provided with a control end; the main control board is accommodated in the shell and connected with the control end, and the first communication interface is arranged on the shell and connected with the main control board and used for connecting the control equipment. The main control board receives the control signal through the first communication interface and controls the contactor to be closed or opened according to the control signal. The power supply distribution unit is externally connected with the control equipment, so that the power supply of the power supply equipment and the power utilization equipment can be controlled to be switched on or switched off, and a user can use the power distribution unit conveniently.
Description
Technical Field
The utility model relates to an industrial electrical technology field especially relates to a power distribution unit and power supply system.
Background
A Power Distribution Unit (PDU) is an industry standard Power connection device to which the end of a Power supply is distributed to the device. Through the application of the product, the power supply of the network product is safer, and the requirements of communication equipment on the stability and the safety of the power supply are met.
With the popularization of smart electrical devices, various communication devices such as servers and switches are increasing, and therefore, the application of power distribution units is also increasing.
In the process of implementing the present invention, the inventor finds that: at present, most of power distribution units on the market adopt manual switches, and users need to manually press the manual switches near the power distribution units to cut off or switch on the power of the power distribution units, so that the power distribution units are very inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power distribution unit and power supply system to solve the technical problem that the user need press hand switch in near the manual work of power distribution unit and just can close or open the power distribution unit power.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a power distribution unit including: a housing; the first plug end is arranged on the shell and used for connecting power supply equipment; the second plug end is arranged on the shell and used for connecting electric equipment; the contactor is accommodated in the shell, the contactor is respectively connected to the first insertion end and the second insertion end, and the contactor is provided with a control end; the main control board is contained in the shell and connected with the control end, and the first communication interface is arranged on the shell and connected with the main control board and used for connecting control equipment. The main control board receives a control signal through the first communication interface and controls the contactor to be closed or opened according to the control signal.
Optionally, the number of the second plugging ends is multiple, and the multiple second plugging ends are connected in parallel and then connected in series between the contactor and the second plugging ends.
Optionally, the power distribution unit further includes a plurality of control switches; the plurality of control switches are arranged on the shell, and one control switch is connected with one second plug-in end in series.
Optionally, the power distribution unit further includes a second communication interface; the second communication interface is arranged on the shell, and the second communication interface and the control switch are connected with the main control board.
Optionally, the power distribution unit further includes a first indicating device; the first indicating device is arranged on the shell and connected with the main control board.
Optionally, the first indicating device includes an indicator light and an indicator light plate; the pilot lamp set up in on the casing, the pilot lamp plate set up in the casing, the pilot lamp connect in the one end of pilot lamp plate, the other end of pilot lamp plate connect in the main control board.
Optionally, the power distribution unit further comprises a second indicating device; the second indicating device is arranged on the shell and connected with the first inserting end.
Optionally, the housing is provided with heat dissipation holes.
Optionally, the shape of the heat dissipation hole is polygonal.
For solving the technical problem, the utility model discloses a another technical scheme is: there is provided a power supply system including: a power distribution unit as described above.
The embodiment of the utility model provides a beneficial effect is: be different from prior art's condition, the utility model provides a power distribution unit and power supply system, power supply unit, power distribution unit and consumer constitute a closed circuit, receive the first control signal back that comes from controlgear when the main control board, and control contactor is closed, and closed circuit switches on, receives the second control signal back that comes from controlgear when the main control board, and control contactor breaks off, and closed circuit breaks off. The power supply device can control the power supply device to be connected with or disconnected from the power utilization device through the external control device of the power distribution unit, the power supply condition that a user can turn on or turn off the power distribution unit only by pressing a manual switch near the power distribution unit is reduced, and therefore the power distribution unit is convenient to use.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of a power distribution unit according to an embodiment of the present invention;
FIG. 2 is a perspective view of the power distribution unit shown in FIG. 1 from another perspective;
FIG. 3 is a rear view of the power distribution unit shown in FIG. 1;
fig. 4 is a schematic circuit diagram of the power distribution unit shown in fig. 1.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 4, the power distribution unit 01 includes a housing 10, a first plug terminal 20, a contactor 30, a second plug terminal 40, a main control board 50 and a first communication interface 60. The first plug end 20, the second plug end 30 and the first communication interface 60 are all disposed on the housing 10, the contactor 30 and the main control board 50 are both accommodated in the housing 10, the contactor 30 is respectively connected to the first plug end 20 and the second plug end 30, the contactor 30 is provided with a control end 301, the main control board 50 is respectively connected to the control end 301 and the first communication interface 60, and the main control board 50 receives a control signal through the first communication interface 60 and controls the contactor 30 to be turned on or turned off according to the control signal. The first plug end 30 is used for connecting a power supply device, the second plug end 40 is used for connecting an electric device, and the first communication interface 60 is used for connecting a control device.
The power supply device, the power distribution unit 01 and the power utilization device form a closed circuit, when the main control board 50 receives a first control signal from the communication device, the contactor 30 is controlled to be closed, the closed circuit is conducted, and when the main control board 50 receives a second control signal from the control device, the contactor 30 is controlled to be opened, and the closed circuit is disconnected.
The power supply device in the embodiment of the present application refers to a device that matches the input power of the power distribution unit 01 and can continuously and stably supply power to the power distribution unit 01, and not only to a device that supplies power. For example, in some scenarios, the type of the input current of the power distribution unit 01 is dc, and the type of the output current of the device supplying power to the power distribution unit 01 is ac, and a power adapter is required to stably supply power to the power distribution unit 01 while changing the type of the output current.
The electric device in the embodiment of the present application refers to a device that matches the output power of the power distribution unit 01 and continuously consumes the electric power provided by the power distribution unit 01, and not only a device that consumes the electric power. For example, the various communication devices mentioned in the background art may be plugged into a server, a switch, etc. of the power distribution unit 01.
The control device in the embodiment of the present application refers to a device that is plugged in the first communication interface 60 and can transmit data with the main control board 50. For example, the first communication interface 60 is an RJ45 interface, a user can control the switch of the contactor 30 by plugging a network cable into the first communication interface 60 through a lan client, and when the power distribution unit 01 is switched through a network, the lan client provides a high-low level driving voltage to drive the main control board 50 to control the on/off of the contactor 30, wherein one of the high-low level is a first control signal, and the other of the high-low level is a second control signal.
In some embodiments, to facilitate management of multiple electric devices, the number of the second plugging terminals 30 is multiple, and multiple second plugging terminals 30 are connected in parallel and then connected in series between the contactor and the second plugging terminals.
Furthermore, the opening directions of the sockets of the second plugging ends 30 face the top of the housing 10, so that the wiring requirement of the power distribution unit 01 is met, and the space occupied by the installation of the power distribution unit 01 can be saved.
In some embodiments, to facilitate monitoring the operating conditions of the various electrical devices, the power distribution unit 01 further includes a plurality of control switches 70 and a second communication interface 80. The plurality of control switches 70 and the second communication interface 80 are all disposed on the housing 10, one control switch 70 is connected in series with one second plug end 80, the alarm contact of each control switch 70 and the second communication interface 80 are both connected with the main control board 50, wherein the second communication interface 80 is used for connecting a reminding device.
In a use scenario, when a branch of a certain electric device is short-circuited due to a fault, the control switch 70 connected in series to the branch is immediately disconnected, so that normal use of the electric devices on other branches can be ensured. Or, in another use scenario, when the control switch 70 is closed due to overload, short circuit or internal fault, the alarm contact transmits the alarm signal with the control switch 70 open to the reminding device through the second communication interface 80, and the reminding device reminds the user in a reminding mode of signal lamp flashing or alarm bell vibration.
It can be understood that: in other embodiments, the second communication interface 80 is for connection to a display device. When the power distribution unit 01 is in the working state, all the control switches 70 are closed, the main control board 50 outputs the detected first signals including the states of the control switches 70 to the display device through the second communication interface 80 for the user to refer to, and when any one of the control switches 70 is open, the main control board 50 outputs the detected second signals including the states of the control switches 70 to the display device through the second communication interface 80 for the user to refer to.
In some embodiments, to facilitate a user to observe the control state of the power distribution unit 01, the power distribution unit 01 further comprises a first indicating device 90. The first indicating device 90 is disposed on the housing, and the first indicating device 90 is connected to the main control board 50.
Specifically, the first indicating device 90 includes an indicator light (not shown) and an indicator lamp panel (not shown), the indicator light is disposed in the casing 10, the indicator lamp panel is disposed in the casing 10, the indicator light is connected to one end of the indicator lamp panel, and the other end of the indicator lamp panel is connected to the main control board 50.
In a usage scenario, the indicator light may be used to indicate the current operating status of the power distribution unit 01. Through presetting pilot lamp control circuit to main control panel 50 for power distribution unit 01 is because of not acceping controlgear, not acceping power supply unit or power distribution unit 01 internal circuit can not normally work because of the short circuit, and the pilot lamp is bright often, says that it is, the pilot lamp goes out often. Alternatively, when one of the control switches 70 in the power distribution unit 01 is turned off and the indicator lights are normally on, the indicator lights are normally off only when all the control switches 70 are turned on and the power distribution unit 01 is normally connected. Of course, the display status of the indicator light is not only normally on or normally off, but also can be displayed by flashing at different frequencies or changing the color of the light. In summary, the lighting logic of the indicator light is synchronously displayed according to the current working states of the dc power distribution unit 01 and the main control board 50.
In some embodiments, to facilitate viewing of the power state of the power distribution unit 01, the power distribution unit 01 further comprises a second indicating device 100. The second indicator 100 is disposed on the housing 10, and the second indicator 100 is connected to the first plug end 20.
Specifically, the second indicating device 100 includes a light emitting diode (not shown) and a resistor (not shown), the light emitting diode is disposed on the housing 10, and the light emitting diode is connected in series with the resistor and then connected in parallel with the first plugging terminal 20. When the first plugging terminal 20 is plugged into the power supply device, the light emitting diode is normally on, and conversely, the light emitting diode is normally off.
In some embodiments, to facilitate heat dissipation of the main control board 50, the housing 10 is provided with heat dissipation holes 10 a. Specifically, the shape of the heat dissipation hole 10a is polygonal, for example, the shape of the heat dissipation hole 10a is regular hexagon.
In some embodiments, to provide a more reliable ground for the power distribution unit 01, the housing 10 is provided with a double ground screw 110 to satisfy the use of the single hole wiring LUG and the double hole wiring LUG.
In the embodiment of the present application, the power supply device, the power distribution unit 01 and the power utilization device form a closed circuit, when the main control board 50 receives a first control signal from the control device, the contactor is controlled to be closed, the closed circuit is turned on, and when the main control board 50 receives a second control signal from the control device, the contactor 30 is controlled to be opened, and the closed circuit is turned off. The power supply of the power supply equipment and the power utilization equipment can be controlled to be switched on or off by externally connecting the power distribution unit 01 with the control equipment, so that the situation that a user needs to press a manual switch near the power distribution unit 01 to turn on or turn off the power supply of the power distribution unit 01 is reduced, and the power distribution unit 01 is convenient to use.
The utility model also provides a pair of power supply system, include: for the specific structure and function of the power distribution unit 01, reference may be made to the above embodiments, and details are not repeated here.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A power distribution unit, comprising:
a housing;
the first plug end is arranged on the shell and used for connecting power supply equipment;
the second plug end is arranged on the shell and used for connecting electric equipment;
the contactor is accommodated in the shell, the contactor is respectively connected to the first insertion end and the second insertion end, and the contactor is provided with a control end;
a main control board contained in the casing, the main control board being connected with the control end, an
The first communication interface is arranged on the shell and connected to the main control board, and the first communication interface is used for connecting control equipment;
the main control board receives a control signal through the first communication interface and controls the contactor to be closed or opened according to the control signal.
2. The power distribution unit of claim 1, wherein the number of the second plug terminals is plural, and the plural second plug terminals are connected in parallel between the contactor and the second plug terminals.
3. The power distribution unit of claim 2, further comprising a plurality of control switches;
the plurality of control switches are arranged on the shell, and one control switch is connected with one second plug-in end in series.
4. The power distribution unit of claim 3, further comprising a second communication interface;
the second communication interface is arranged on the shell, and the second communication interface and the control switch are connected with the main control board.
5. The power distribution unit of claim 4, further comprising a first indicating device;
the first indicating device is arranged on the shell and connected with the main control board.
6. The power distribution unit of claim 5, wherein the first indicator device comprises an indicator light and an indicator light panel;
the pilot lamp set up in on the casing, the pilot lamp plate set up in the casing, the pilot lamp connect in the one end of pilot lamp plate, the other end of pilot lamp plate connect in the main control board.
7. The power distribution unit of claim 1, further comprising a second indicating device;
the second indicating device is arranged on the shell and connected with the first inserting end.
8. The power distribution unit of any of claims 1-7, wherein the housing is provided with heat dissipation apertures.
9. The power distribution unit of claim 8, wherein the heat dissipation aperture is polygonal in shape.
10. A power supply system, comprising: a power distribution unit as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407837.1U CN213602125U (en) | 2020-10-26 | 2020-10-26 | Power distribution unit and power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407837.1U CN213602125U (en) | 2020-10-26 | 2020-10-26 | Power distribution unit and power supply system |
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| Publication Number | Publication Date |
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| CN213602125U true CN213602125U (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022407837.1U Active CN213602125U (en) | 2020-10-26 | 2020-10-26 | Power distribution unit and power supply system |
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| CN (1) | CN213602125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2604257B (en) * | 2019-09-17 | 2024-04-17 | Cambridge Mechatronics Ltd | A power supply arrangement |
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2020
- 2020-10-26 CN CN202022407837.1U patent/CN213602125U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2604257B (en) * | 2019-09-17 | 2024-04-17 | Cambridge Mechatronics Ltd | A power supply arrangement |
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