CN219800112U - Computer motherboard standby power on-off control circuit and computer equipment - Google Patents
Computer motherboard standby power on-off control circuit and computer equipment Download PDFInfo
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- CN219800112U CN219800112U CN202321233959.0U CN202321233959U CN219800112U CN 219800112 U CN219800112 U CN 219800112U CN 202321233959 U CN202321233959 U CN 202321233959U CN 219800112 U CN219800112 U CN 219800112U
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Abstract
The utility model discloses a computer main board standby power on-off control circuit and computer equipment, and relates to the technical field of computers. The circuit comprises a main control circuit unit, a direct current on-off execution circuit unit, a direct current voltage reduction circuit unit, at least one input side connecting terminal and at least two output side connecting terminals, wherein the main control circuit unit can start to be electrified and started firstly through the electric connection relation of the main control circuit unit, then after the start is completed, a control signal for conducting the direct current channel is output to a controlled end of the direct current on-off execution circuit unit, the direct current channel is switched into a closed conducting state from a normally open state, the direct current voltage reduction circuit unit has direct current input and output, and finally the computer main board can be electrified and started, so that the follow-up communication can be ensured to obtain correct communication connection through initiation communication, the normal operation of the whole computer equipment is ensured, and the defects of the traditional design are avoided.
Description
Technical Field
The utility model belongs to the technical field of computers, and particularly relates to a computer main board standby power on-off control circuit and computer equipment.
Background
With the advancement of computer technology, in computer devices such as workstations and/or servers, a computer main board has a function of performing digital communication with a power supply back board, which requires a single-chip microcomputer or similar digital processor to be built in the power supply back board. In the conventional design of computer equipment, the singlechip/digital processor of the power supply backboard obtains a standby power supply simultaneously with the computer main board, and because the starting speed of the computer main board is higher, the communication connection can be established usually by waiting for the completion of starting the singlechip/digital processor of the power supply backboard. However, as the function of the power back plate is continuously increased, the starting time of the single-chip microcomputer/digital processor is also increased, if the single-chip microcomputer/digital processor on the power back plate of the computer main board is not started to complete, communication is initiated, and correct communication connection cannot be obtained, so that the normal operation of the whole computer equipment is affected.
Disclosure of Invention
The utility model aims to provide a standby power on-off control circuit of a computer main board and computer equipment, which are used for solving the problems that the conventional computer equipment is easy to initiate communication if a singlechip/digital processor of the computer main board on a power back board is not started to finish because the starting speed of the computer main board is high, and correct communication connection cannot be obtained, so that the normal operation of the whole computer equipment is affected.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
in a first aspect, a standby power on-off control circuit of a computer motherboard is provided, the standby power on-off control circuit is arranged on a power backboard, and comprises a main control circuit unit, a direct current on-off execution circuit unit, a direct current voltage reduction circuit unit, at least one input side connecting terminal and at least two output side connecting terminals, wherein the main control circuit unit is used for performing digital communication with the computer motherboard, a direct current path of the direct current on-off execution circuit unit is a normally open path, the at least one input side connecting terminal comprises a standby power direct current input terminal and a first digital communication connecting terminal, the at least two output side connecting terminals comprise a standby power direct current output terminal and a first digital communication connecting terminal, the standby power direct current input terminal is used for being electrically connected with a power supply output end of a power supply module, the standby power direct current output terminal is used for being electrically connected with a standby power supply input end of the computer motherboard, and the first digital communication connecting terminal is used for being electrically connected with a power backboard communication end of the computer motherboard;
the power supply input end of the main control circuit unit is electrically connected with the direct current input terminal of the standby power supply, the communication end of the computer main board of the main control circuit unit is electrically connected with the first digital communication connection terminal, and the conduction control signal output end of the main control circuit unit is electrically connected with the controlled end of the direct current on-off execution circuit unit so as to output a control signal for conducting the direct current channel to the controlled end of the direct current on-off execution circuit unit after power-on starting;
the direct current input end of the direct current on-off execution circuit unit is electrically connected with the direct current input terminal of the standby power supply, the direct current output end of the direct current on-off execution circuit unit is electrically connected with the direct current input end of the direct current voltage reduction circuit unit, and the direct current output end of the direct current voltage reduction circuit unit is electrically connected with the direct current output terminal of the standby power supply.
Based on the above summary, a circuit scheme for controlling on-off of a standby power supply of a computer motherboard on a power supply backboard is provided, that is, the circuit scheme comprises a main control circuit unit, a direct current on-off execution circuit unit, a direct current voltage reduction circuit unit, at least one input side connecting terminal and at least two output side connecting terminals, wherein the main control circuit unit is used for digital communication with the computer motherboard, the direct current path of the direct current on-off execution circuit unit is a normally open path, the direct current path can be started by the electric connection relation of the direct current on-off execution circuit unit, then after the start is completed, a control signal for conducting the direct current path is output to a controlled end of the direct current on-off execution circuit unit, the direct current path is switched from a normally open state to a closed conducting state, and the direct current voltage reduction circuit unit has direct current input and output, finally, the computer motherboard can be started by the power on, thereby ensuring that the correct communication connection can be obtained through initiation communication, and the normal operation of the whole computer device is ensured, and the defects of the traditional design are avoided.
In one possible design, the at least one input-side connection terminal further includes a second digital communication connection terminal, wherein the second digital communication connection terminal is used for electrically connecting with a power back plate communication end of an external module;
the second digital communication connection terminal is electrically connected with an external module communication end of the main control circuit unit.
In one possible design, the at least two output-side connection terminals further include a power-on/off control connection terminal, wherein the power-on/off control connection terminal is used for electrically connecting a power-on/off controlled end of the computer motherboard;
the on-off control connection terminal is electrically connected with the on-off control signal output end of the main control circuit unit.
In one possible design, the computer further comprises a high-power direct current circuit unit, and the at least two output side connection terminals further comprise a main power supply direct current output terminal, wherein the main power supply direct current output terminal is used for being electrically connected with a main power supply input end of the computer main board;
the direct current input end of the high-power direct current circuit unit is electrically connected with the direct current input terminal of the standby power supply, and the direct current output end of the high-power direct current circuit unit is electrically connected with the direct current output terminal of the main power supply.
In one possible design, the main control circuit unit employs a single chip microcomputer chip/digital processor chip and corresponding chip peripheral circuitry.
In one possible design, the chip model of the single chip microcomputer chip is STM32 series.
In one possible design, the dc on-off execution circuit unit adopts a driving circuit for implementing dc on-off based on a field effect transistor/relay.
In one possible design, the at least two output side connection terminals employ an ATX power interface.
In a second aspect, a computer device is provided, including a power module, a power backplane, and a computer motherboard, where the power backplane is configured with a standby power on-off control circuit of the computer motherboard as described in the first aspect or any of the first aspects possible designs;
the power supply output end of the power supply module is electrically connected with a standby power supply direct current input terminal of the computer main board standby power supply on-off control circuit;
the standby power supply input end of the computer main board is electrically connected with the standby power supply direct current output terminal of the computer main board standby power supply on-off control circuit, and the power supply backboard communication end of the computer main board is electrically connected with the first digital communication connection terminal of the computer main board standby power supply on-off control circuit.
In one possible design, the power module adopts a 12V standard power module, and the direct-current voltage-reducing circuit unit of the computer main board standby power on-off control circuit adopts a direct-current voltage-stabilizing circuit from 12V to 5V.
The beneficial effect of above-mentioned scheme:
(1) The utility model creatively provides a circuit scheme for controlling the on-off of a standby power supply of a computer main board on a power supply backboard, which comprises a main control circuit unit, a direct current on-off execution circuit unit, a direct current voltage reduction circuit unit, at least one input side connecting terminal and at least two output side connecting terminals, wherein the main control circuit unit is used for carrying out digital communication with the computer main board, a direct current channel of the direct current on-off execution circuit unit is a normally open channel, the main control circuit unit can be started to be electrified firstly through the electric connection relation of the main control circuit unit, then a control signal for conducting the direct current channel is output to a controlled end of the direct current on-off execution circuit unit after the startup is completed, the direct current channel is switched to a closed conduction state from a normally open state, and the direct current voltage reduction circuit unit has direct current input and output, and finally the computer main board can be electrified and started, so that the correct communication connection can be obtained through initiation communication, and the normal operation of the whole computer equipment is ensured, and the defects of the traditional design are avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a principle structure of a computer motherboard standby power on-off control circuit according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a computer device according to an embodiment of the present utility model.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the embodiments of the present utility model will be briefly described below with reference to the drawings and the description of the embodiments or the prior art, and it is apparent that the following descriptions of the structures of the drawings are only some embodiments of the present utility model, and other descriptions of embodiments may be obtained according to the descriptions of the embodiments without inventive effort for those skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
It should be understood that although the terms first and second, etc. may be used herein to describe various objects, these objects should not be limited by these terms. These terms are only used to distinguish one object from another. For example, a first object may be referred to as a second object, and similarly a second object may be referred to as a first object, without departing from the scope of example embodiments of the utility model.
It should be understood that for the term "and/or" that may appear herein, it is merely one association relationship that describes an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: three cases of A alone, B alone or both A and B exist; as another example, A, B and/or C, can represent the presence of any one of A, B and C or any combination thereof; for the term "/and" that may appear herein, which is descriptive of another associative object relationship, it means that there may be two relationships, e.g., a/and B, it may be expressed that: the two cases of A and B exist independently or simultaneously; in addition, for the character "/" that may appear herein, it is generally indicated that the context associated object is an "or" relationship.
Example 1
As shown in fig. 1, the standby power on-off control circuit for a computer motherboard provided in this embodiment is disposed on a power backplane, and includes, but is not limited to, a main control circuit unit, a dc on-off execution circuit unit, a dc voltage reduction circuit unit, at least one input side connection terminal, and at least two output side connection terminals, where the main control circuit unit is configured to perform digital communication with the computer motherboard, a dc path of the dc on-off execution circuit unit is a normally open path, the at least one input side connection terminal includes a standby power dc input terminal, the at least two output side connection terminals includes a standby power dc output terminal and a first digital communication connection terminal, the standby power dc input terminal is configured to be electrically connected to a power supply output end of the power module, the standby power dc output terminal is configured to be electrically connected to a standby power supply input end of the computer motherboard, and the first digital communication connection terminal is configured to be electrically connected to a power backplane communication end of the computer motherboard; the power supply input end of the main control circuit unit is electrically connected with the direct current input terminal of the standby power supply, the communication end of the computer main board of the main control circuit unit is electrically connected with the first digital communication connection terminal, and the conduction control signal output end of the main control circuit unit is electrically connected with the controlled end of the direct current on-off execution circuit unit so as to output a control signal for conducting the direct current channel to the controlled end of the direct current on-off execution circuit unit after power-on starting; the direct current input end of the direct current on-off execution circuit unit is electrically connected with the direct current input terminal of the standby power supply, the direct current output end of the direct current on-off execution circuit unit is electrically connected with the direct current input end of the direct current voltage reduction circuit unit, and the direct current output end of the direct current voltage reduction circuit unit is electrically connected with the direct current output terminal of the standby power supply.
As shown in fig. 1, in the specific structure of the standby power on-off control circuit of the computer motherboard, the main control circuit unit is a conventional configuration in the existing power backplane, that is, the main control circuit unit may, but is not limited to, use a single-chip microcomputer chip/digital processor chip and a corresponding chip peripheral circuit to perform digital communication with the computer motherboard, where the chip model of the single-chip microcomputer chip may, but is not limited to, be STM32 series; the main control circuit unit can output a control signal (for example, maintain a high level or a low level) for conducting the direct current path to the controlled end of the direct current on-off execution circuit unit after power-on starting based on the conventional logic control program. The direct current on-off execution circuit unit is used for cutting off/conducting the direct current path between the corresponding direct current input end and the corresponding direct current output end under the control of the main control circuit unit, for example, when a control signal for conducting the direct current path is input, the direct current path is switched from a normally open state to a closed conducting state, otherwise, the direct current path is restored from the closed conducting state to the normally open state; specifically, the dc on-off executing circuit unit may, but is not limited to, adopt a driving circuit (the specific circuit is the existing conventional circuit) for implementing dc on-off based on a field effect transistor/relay. The direct current step-down circuit unit is used for converting high-voltage direct current into low-voltage direct current so as to provide an adaptive standby power supply voltage for the computer main board, for example, when the external power supply adopts a 12V standard power supply module (namely a standard universal redundant power supply module), the direct current step-down circuit unit adopts a direct current voltage stabilizing circuit from 12V to 5V so as to provide a standby power supply voltage of 5V for the computer main board. Considering that the direct current on-off executing circuit unit has certain internal resistance, voltage drop can be generated, and the direct current voltage reduction circuit unit has certain voltage stabilizing capability, the direct current voltage reduction circuit unit is connected between the direct current on-off executing circuit unit and the direct current output terminal of the standby power supply in series, and adverse effects caused by voltage drop can be eliminated.
The working principle of the standby power on-off control circuit of the computer main board is as follows: after the direct current input terminal of the standby power supply is connected with the standby power supply, the main control circuit unit starts to be electrified and started (at this time, because the direct current channel is in a normally open state, the direct current voltage reduction circuit unit does not have direct current input and output, so that the computer main board cannot be electrified and started), then after the startup is completed, a control signal for conducting the direct current channel is output to the controlled end of the direct current on-off execution circuit unit, so that the direct current channel is switched into a closed conduction state from the normally open state, at the moment, the direct current voltage reduction circuit unit has direct current input and output, so that the computer main board can be electrified and started, the follow-up operation of the whole computer equipment can be ensured through initiating communication, and the defects of traditional design are avoided.
Preferably, the at least one input side connection terminal further includes, but is not limited to, a second digital communication connection terminal, wherein the second digital communication connection terminal is used for electrically connecting with a power back plate communication end of an external module; the second digital communication connection terminal is electrically connected with an external module communication end of the main control circuit unit. By the configuration of the second digital communication connection terminal, the power backboard and the external module can be in digital communication, for example, a starting signal from the man-machine interaction module is received, and the practicability is improved.
Preferably, the at least two output side connection terminals further include, but are not limited to, an on-off control connection terminal, wherein the on-off control connection terminal is used for electrically connecting an on-off controlled end of the computer motherboard; the on-off control connection terminal is electrically connected with the on-off control signal output end of the main control circuit unit. Therefore, the configuration of the connection terminal is controlled by the on-off machine, the on-off operation of the computer main board can be realized by the power back plate, and the practicability is further improved.
Preferably, the computer further comprises a high-power direct current circuit unit, and the at least two output side connecting terminals further comprise a main power direct current output terminal, wherein the main power direct current output terminal is used for being electrically connected with a main power supply input end of the computer main board; the direct current input end of the high-power direct current circuit unit is electrically connected with the direct current input terminal of the standby power supply, and the direct current output end of the high-power direct current circuit unit is electrically connected with the direct current output terminal of the main power supply. The high-power direct current circuit unit is arranged in a conventional mode in the existing power backboard so as to provide proper main power supply voltage for the computer main board.
Preferably, the at least two output side connection terminals use an ATX power interface so as to be connected to the computer motherboard.
In summary, the on-off control circuit for the standby power supply of the computer main board provided by the embodiment has the following technical effects:
(1) The embodiment provides a circuit scheme for controlling the on-off of a standby power supply of a computer main board on a power supply backboard, namely the circuit scheme comprises a main control circuit unit, a direct current on-off execution circuit unit, a direct current voltage reduction circuit unit, at least one input side connecting terminal and at least two output side connecting terminals, wherein the main control circuit unit is used for carrying out digital communication with the computer main board, a direct current path of the direct current on-off execution circuit unit is a normally open path, the main control circuit unit can start to be electrified and started firstly through the electric connection relation of the main control circuit unit, then after the startup is completed, a control signal for conducting the direct current path is output to a controlled end of the direct current on-off execution circuit unit, the direct current path is switched into a closed conduction state from a normally open state, and the direct current voltage reduction circuit unit has direct current input and output, finally the computer main board can be electrified and started, further the follow-up communication connection through initiation communication can be ensured, the normal operation of the whole computer equipment is ensured, and the defects of the traditional design are avoided.
Example two
As shown in fig. 2, the present embodiment further provides a novel computer device based on the technical solution of the first embodiment, that is, the novel computer device includes, but is not limited to, a power module, a power back board, and a computer motherboard, where the power back board is provided with the standby power on-off control circuit of the computer motherboard according to the first embodiment; the power supply output end of the power supply module is electrically connected with a standby power supply direct current input terminal of the computer main board standby power supply on-off control circuit; the standby power supply input end of the computer main board is electrically connected with the standby power supply direct current output terminal of the computer main board standby power supply on-off control circuit, and the power supply backboard communication end of the computer main board is electrically connected with the first digital communication connection terminal of the computer main board standby power supply on-off control circuit. In addition, the power supply module adopts a 12V standard power supply module, and the direct-current voltage-reducing circuit unit of the computer main board standby power supply on-off control circuit adopts a direct-current voltage-stabilizing circuit from 12V to 5V.
The structural details, working principles and technical effects of the foregoing computer device provided in this embodiment may be obtained by referring to a conventional derivation of the embodiment, and are not described herein.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The standby power on-off control circuit of the computer main board is characterized by being arranged on a power backboard and comprising a main control circuit unit, a direct current on-off execution circuit unit, a direct current voltage reduction circuit unit, at least one input side connecting terminal and at least two output side connecting terminals, wherein the main control circuit unit is used for carrying out digital communication with the computer main board, a direct current path of the direct current on-off execution circuit unit is a normally open path, the at least one input side connecting terminal comprises a standby power direct current input terminal, the at least two output side connecting terminals comprise a standby power direct current output terminal and a first digital communication connecting terminal, the standby power direct current input terminal is used for being electrically connected with a power supply output end of a power supply module, the standby power direct current output terminal is used for being electrically connected with a standby power supply input end of the computer main board, and the first digital communication connecting terminal is used for being electrically connected with a power backboard communication end of the computer main board;
the power supply input end of the main control circuit unit is electrically connected with the direct current input terminal of the standby power supply, the communication end of the computer main board of the main control circuit unit is electrically connected with the first digital communication connection terminal, and the conduction control signal output end of the main control circuit unit is electrically connected with the controlled end of the direct current on-off execution circuit unit so as to output a control signal for conducting the direct current channel to the controlled end of the direct current on-off execution circuit unit after power-on starting;
the direct current input end of the direct current on-off execution circuit unit is electrically connected with the direct current input terminal of the standby power supply, the direct current output end of the direct current on-off execution circuit unit is electrically connected with the direct current input end of the direct current voltage reduction circuit unit, and the direct current output end of the direct current voltage reduction circuit unit is electrically connected with the direct current output terminal of the standby power supply.
2. The computer motherboard standby power on-off control circuit according to claim 1 wherein said at least one input side connection terminal further comprises a second digital communication connection terminal, wherein said second digital communication connection terminal is configured to electrically connect to a power backplane communication terminal of an external module;
the second digital communication connection terminal is electrically connected with an external module communication end of the main control circuit unit.
3. The on-off control circuit of a standby power supply of a computer motherboard according to claim 1, wherein the at least two output side connection terminals further comprise on-off control connection terminals, wherein the on-off control connection terminals are used for electrically connecting on-off controlled ends of the computer motherboard;
the on-off control connection terminal is electrically connected with the on-off control signal output end of the main control circuit unit.
4. The computer motherboard standby power on-off control circuit according to claim 1 further comprising a high power dc circuit unit, and said at least two output side connection terminals further comprise a main power dc output terminal, wherein said main power dc output terminal is configured to electrically connect to a main power supply input terminal of said computer motherboard;
the direct current input end of the high-power direct current circuit unit is electrically connected with the direct current input terminal of the standby power supply, and the direct current output end of the high-power direct current circuit unit is electrically connected with the direct current output terminal of the main power supply.
5. The on-off control circuit of standby power supply of computer motherboard according to claim 1, wherein the main control circuit unit adopts a single chip microcomputer chip/digital processor chip and corresponding chip peripheral circuit.
6. The on-off control circuit of standby power supply of a computer motherboard according to claim 5, wherein the chip model of the single chip microcomputer chip is STM32 series.
7. The on-off control circuit of a standby power supply of a computer motherboard according to claim 1, wherein the direct current on-off execution circuit unit adopts a driving circuit for realizing direct current on-off based on a field effect transistor/relay.
8. The computer motherboard standby power on-off control circuit according to claim 1 wherein said at least two output side connection terminals employ an ATX power interface.
9. A computer device, comprising a power module, a power back plate and a computer motherboard, wherein the power back plate is provided with the standby power on-off control circuit of the computer motherboard according to any one of claims 1 to 8;
the power supply output end of the power supply module is electrically connected with a standby power supply direct current input terminal of the computer main board standby power supply on-off control circuit;
the standby power supply input end of the computer main board is electrically connected with the standby power supply direct current output terminal of the computer main board standby power supply on-off control circuit, and the power supply backboard communication end of the computer main board is electrically connected with the first digital communication connection terminal of the computer main board standby power supply on-off control circuit.
10. The computer device according to claim 9, wherein the power module is a 12V standard power module, and the dc voltage reduction circuit unit of the computer motherboard standby power on-off control circuit is a 12V to 5V dc voltage stabilizing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321233959.0U CN219800112U (en) | 2023-05-19 | 2023-05-19 | Computer motherboard standby power on-off control circuit and computer equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321233959.0U CN219800112U (en) | 2023-05-19 | 2023-05-19 | Computer motherboard standby power on-off control circuit and computer equipment |
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| CN219800112U true CN219800112U (en) | 2023-10-03 |
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| CN202321233959.0U Active CN219800112U (en) | 2023-05-19 | 2023-05-19 | Computer motherboard standby power on-off control circuit and computer equipment |
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| CN (1) | CN219800112U (en) |
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