CN210895349U - Power supply distributor - Google Patents
Power supply distributor Download PDFInfo
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- CN210895349U CN210895349U CN202020142680.1U CN202020142680U CN210895349U CN 210895349 U CN210895349 U CN 210895349U CN 202020142680 U CN202020142680 U CN 202020142680U CN 210895349 U CN210895349 U CN 210895349U
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Abstract
The utility model relates to a power supply equipment technical field, its aim at provides a power supply distributor. The utility model is electrically connected with the signal control bus, and the power distributor comprises a power main circuit and a plurality of branch circuits electrically connected with the power main circuit; each branch circuit comprises a switch circuit, a power supply monitoring chip and an output interface, and each power supply monitoring chip and each power supply main circuit are electrically connected with the signal control bus; the output pole of the power supply main circuit comprises a working power supply output pole and a standby power supply output pole, the working power supply output pole of the power supply main circuit is electrically connected with the output interface and the power supply monitoring chip of each branch circuit through a switch circuit, the standby power supply output pole of the power supply main circuit is electrically connected with the output interface and the power supply monitoring chip of each branch circuit, and the power supply monitoring chip of each branch circuit is electrically connected with the controlled pole of the switch circuit. The utility model discloses can make a plurality of branch circuit independent operation, can avoid each consumer to influence each other.
Description
Technical Field
The utility model relates to a power supply equipment technical field especially relates to a power supply distributor.
Background
The size of the computer, server, router and other devices in the information network system room needs to be reduced as much as possible, and as many devices as possible are installed in one casing, so that a power module needs to drive a plurality of devices in the information network system to operate. In the prior art, a computer power supply is usually used for direct branching, and then the branch power supply is respectively connected with each device to realize the effect of supplying power to one power supply and a plurality of devices, at the moment, control signals of each device are also completely connected in parallel, so that after one device is halted and the like, the control signals of the power supply are easily influenced, other devices which normally work are forced to shut down, and the reliability of an information network system is influenced. Therefore, there is a need to develop a power distributor with independent power supply control function to avoid the mutual influence of the devices in the system.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems existing in the prior art, the utility model provides a power supply distributor.
The utility model adopts the technical proposal that:
a power supply distributor is electrically connected with a signal control bus and comprises a power supply main circuit and a plurality of branch circuits electrically connected with the power supply main circuit; each branch circuit comprises a switch circuit, a power supply monitoring chip and an output interface, and each power supply monitoring chip and each power supply main circuit are electrically connected with the signal control bus; the output pole of the power supply main circuit comprises a working power supply output pole and a standby power supply output pole, the working power supply output pole of the power supply main circuit is electrically connected with the output interface of each branch circuit and the power supply monitoring chip through a switch circuit, the standby power supply output pole of the power supply main circuit is electrically connected with the output interface of each branch circuit and the power supply monitoring chip, and the power supply monitoring chip of each branch circuit is electrically connected with the controlled pole of the switch circuit.
Preferably, the power main circuit comprises a power socket and a fifth triode; the output pole of the power supply main circuit is output by a power socket, the base electrode of the fifth triode is electrically connected with the signal control bus, the collector electrode of the fifth triode is electrically connected with the power socket, and the emitter electrode of the fifth triode is grounded.
Further preferably, the power main circuit further includes a current limiting resistor, and a base of the fifth triode is electrically connected to the signal control bus through the current limiting resistor.
Further preferably, the power distributor further comprises a first triode, and the switching circuit is realized by a relay; one end of a switch of the relay is electrically connected with a working power supply output electrode of the power supply main circuit, and the other end of the switch of the relay is electrically connected with the output interface and the power supply monitoring chip respectively; the base electrode of the first triode is electrically connected with the power supply monitoring chip, the emitting electrode of the first triode is electrically connected with the standby power supply output electrode of the power supply main circuit, the collecting electrode of the first triode is electrically connected with one end of the coil of the relay, and the other end of the coil of the relay is grounded; and the collector electrode of the first triode is also electrically connected with the base electrode of the fifth triode through a signal control bus.
Further preferably, the power distributor further comprises a first diode, an anode of the first diode is electrically connected with a collector of the first triode, and a cathode of the first diode is electrically connected with the signal control bus.
Preferably, the model of the power supply monitoring chip is PS 113A.
The beneficial effects of the utility model are that concentrated the appearance can make a plurality of branch circuit independent operation, can avoid each consumer to influence each other. Particularly, the utility model discloses in the use, output interface and consumer electricity are connected, and power main circuit exports PG signal to each branch circuit to the current power supply state of each branch circuit output; the power supply monitoring chip can drive the switch circuit to be switched on or switched off so as to realize the on-off between the main power supply circuit and the output interface and control the on-off of the branch circuit; meanwhile, the driving voltage output by the power supply monitoring chip is output to the signal control bus, when any branch circuit is communicated with the power supply main circuit during starting, the signal control bus is at a high level, the power supply main circuit is started at the moment, when all branch circuits are disconnected with the power supply main circuit, the signal control bus is at a low level, the voltage main circuit is stopped at the moment, and only the standby power supply is output through the standby power supply output electrode so as to supply power to the power supply monitoring chips in all branch circuits. In this embodiment, the plurality of branch circuits can operate independently without affecting each other, and even if one branch circuit is halted or shut down, the other branch circuits still operate normally.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
Example 1:
the embodiment provides a power supply distributor, which is electrically connected with a signal control bus, and comprises a power supply main circuit and a plurality of branch circuits electrically connected with the power supply main circuit; each branch circuit comprises a switch circuit, a power supply monitoring chip and an output interface, and each power supply monitoring chip and each power supply main circuit are electrically connected with the signal control bus; the output pole of the power supply main circuit comprises a working power supply output pole and a standby power supply output pole, the working power supply output pole of the power supply main circuit is electrically connected with the output interface and the power supply monitoring chip of each branch circuit through a switch circuit, the standby power supply output pole of the power supply main circuit is electrically connected with the output interface and the power supply monitoring chip of each branch circuit, and the power supply monitoring chip of each branch circuit is electrically connected with the controlled pole of the switch circuit.
In this embodiment, the model of the power supply monitoring chip is PS 113A. It should be noted that the power supply monitoring chip can perform monitoring management such as sampling on the monitoring voltage, and can determine whether the voltage deviates from a normal value, so as to ensure normal operation of the device connected with the output interface.
In this embodiment, four working power output electrodes are provided, the four working power output electrodes respectively output 3.3V, 5V, 12V and-12V dc power, and the standby power output electrode outputs 5Vsb of standby power.
The working principle of the embodiment is as follows: the output interface is electrically connected with the electric equipment, and the power supply main circuit can output PG signals to each branch circuit so as to output the current power supply state to each branch circuit; the power supply monitoring chip can drive the switch circuit to be switched on or switched off so as to realize the on-off between the main power supply circuit and the output interface and control the on-off of the branch circuit; meanwhile, the driving voltage output by the power supply monitoring chip is output to the signal control bus, when any branch circuit is communicated with the power supply main circuit during starting, the signal control bus is at a high level, the power supply main circuit is started at the moment, when all branch circuits are disconnected with the power supply main circuit, the signal control bus is at a low level, the voltage main circuit is stopped at the moment, and only the standby power supply is output through the standby power supply output electrode so as to supply power to the power supply monitoring chips in all branch circuits. In this embodiment, the plurality of branch circuits can operate independently without affecting each other, and even if one branch circuit is halted or shut down, the other branch circuits still operate normally.
In this embodiment, the main power circuit includes a power socket P5 and a fifth transistor Q5; the output pole of the power supply main circuit is output by a power socket P5, the base of the fifth triode Q5 is electrically connected with the signal control bus, the collector of the fifth triode Q5 is electrically connected with the power socket P5, and the emitter of the fifth triode Q5 is grounded. Specifically, the driving voltage output by the power supply monitoring chip is output to a signal control bus, when any branch circuit is communicated with the power supply main circuit, the signal control bus is at a high level, at the moment, the fifth triode Q5 is conducted, and the power supply main circuit is started; when all the branch circuits are disconnected with the main power supply circuit, the signal control bus is at a low level, the fifth triode Q5 is cut off, the main voltage circuit is shut down, and the standby power supply is output only through the output electrode of the standby power supply to supply power to the power supply monitoring chips in all the branch circuits. In this embodiment, the plurality of branch circuits can operate independently without affecting each other, and even if one branch circuit is halted or shut down, the other branch circuits still operate normally.
Furthermore, the power supply main circuit further comprises a current limiting resistor R, and the base of the fifth triode Q5 is electrically connected with the signal control bus through the current limiting resistor R. It should be noted that the current limiting resistor R can protect the fifth transistor Q5 to prevent the fifth transistor Q5 from being burned out.
In this embodiment, the power distributor further includes a first triode, and the switching circuit is implemented by a relay; one end of a switch of the relay is electrically connected with the working power supply output electrode of the power supply main circuit, and the other end of the switch of the relay is electrically connected with the output interface and the power supply monitoring chip respectively; the base electrode of the first triode is electrically connected with the power supply monitoring chip, the emitting electrode of the first triode is electrically connected with the standby power supply output electrode of the power supply main circuit, the collecting electrode of the first triode is electrically connected with one end of the coil of the relay, and the other end of the coil of the relay is grounded; the collector of the first transistor is also electrically connected to the base of a fifth transistor Q5 through a signal control bus.
It should be appreciated that the switching circuit may be replaced by a high current MOSFET switch, which increases the complexity of the circuit and increases the cost, but the overall size of the power distributor is reduced, which may further improve the reliability of the present embodiment because there are no mechanical components.
Furthermore, the power distributor further comprises a first diode, wherein the anode of the first diode is electrically connected with the collector of the first triode, and the cathode of the first diode is electrically connected with the signal control bus. It should be noted that the first diode can prevent the voltage from flowing backwards, and plays a role in protecting the first triode.
Specifically, as shown in fig. 1, the present embodiment includes four branch circuits, and the four branch circuits are divided into a first branch circuit, a second branch circuit, a third branch circuit, and a fourth branch circuit. Taking the first branch circuit as an example, the first branch circuit includes a switch circuit, a power supply monitoring chip U1, an output interface P1, a first triode Q1 and a first diode D11; the switching circuit is realized by adopting a relay J1, the working power output electrode of the power socket P5 is electrically connected with one end of a switch of the relay J1, and the other end of the switch of the relay J1 is electrically connected with an output interface P1 and a power supply monitoring chip U1 respectively; the base electrode of the first triode Q1 is electrically connected with the power supply monitoring chip U1, the emitter electrode of the first triode Q1 is electrically connected with the standby power supply output electrode of the power supply main circuit, the collector electrode of the first triode Q1 is electrically connected with one end of the coil of the relay J1, and the other end of the coil of the relay J1 is grounded; the collector of the first triode Q1 is also electrically connected with the base of the fifth triode Q5 through a signal control bus; the anode of the first diode D11 is electrically connected to the collector of the first transistor Q1, and the cathode of the first diode D11 is electrically connected to the signal control bus.
The various embodiments described above are merely illustrative, and may or may not be physically separate, as they relate to elements illustrated as separate components; if reference is made to a component displayed as a unit, it may or may not be a physical unit, and may be located in one place or distributed over a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. Such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Finally, it should be noted that the present invention is not limited to the above-mentioned alternative embodiments, and that various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.
Claims (6)
1. A power distributor is electrically connected with a signal control bus, and is characterized in that: the power supply distributor comprises a power supply main circuit and a plurality of branch circuits electrically connected with the power supply main circuit; each branch circuit comprises a switch circuit, a power supply monitoring chip and an output interface, and each power supply monitoring chip and each power supply main circuit are electrically connected with the signal control bus; the output pole of the power supply main circuit comprises a working power supply output pole and a standby power supply output pole, the working power supply output pole of the power supply main circuit is electrically connected with the output interface of each branch circuit and the power supply monitoring chip through a switch circuit, the standby power supply output pole of the power supply main circuit is electrically connected with the output interface of each branch circuit and the power supply monitoring chip, and the power supply monitoring chip of each branch circuit is electrically connected with the controlled pole of the switch circuit.
2. A power distributor as defined in claim 1, wherein: the power supply main circuit comprises a power socket and a fifth triode; the output pole of the power supply main circuit is output by a power socket, the base electrode of the fifth triode is electrically connected with the signal control bus, the collector electrode of the fifth triode is electrically connected with the power socket, and the emitter electrode of the fifth triode is grounded.
3. A power distributor as defined in claim 2, wherein: the power supply main circuit further comprises a current-limiting resistor, and the base electrode of the fifth triode is electrically connected with the signal control bus through the current-limiting resistor.
4. A power distributor as defined in claim 2, wherein: the power supply distributor also comprises a first triode, and the switching circuit is realized by adopting a relay; one end of a switch of the relay is electrically connected with a working power supply output electrode of the power supply main circuit, and the other end of the switch of the relay is electrically connected with the output interface and the power supply monitoring chip respectively; the base electrode of the first triode is electrically connected with the power supply monitoring chip, the emitting electrode of the first triode is electrically connected with the standby power supply output electrode of the power supply main circuit, the collecting electrode of the first triode is electrically connected with one end of the coil of the relay, and the other end of the coil of the relay is grounded; and the collector electrode of the first triode is also electrically connected with the base electrode of the fifth triode through a signal control bus.
5. A power distributor as claimed in claim 4, wherein: the power supply distributor further comprises a first diode, wherein the anode of the first diode is electrically connected with the collector electrode of the first triode, and the cathode of the first diode is electrically connected with the signal control bus.
6. A power distributor as defined in claim 1, wherein: the model of the power supply monitoring chip is PS 113A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020142680.1U CN210895349U (en) | 2020-01-21 | 2020-01-21 | Power supply distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020142680.1U CN210895349U (en) | 2020-01-21 | 2020-01-21 | Power supply distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210895349U true CN210895349U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020142680.1U Active CN210895349U (en) | 2020-01-21 | 2020-01-21 | Power supply distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210895349U (en) |
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2020
- 2020-01-21 CN CN202020142680.1U patent/CN210895349U/en active Active
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