CN217543791U - Automatic starting circuit and electronic equipment - Google Patents
Automatic starting circuit and electronic equipment Download PDFInfo
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- CN217543791U CN217543791U CN202221315842.2U CN202221315842U CN217543791U CN 217543791 U CN217543791 U CN 217543791U CN 202221315842 U CN202221315842 U CN 202221315842U CN 217543791 U CN217543791 U CN 217543791U
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Abstract
The utility model discloses an automatic start circuit and electronic equipment. The automatic starting circuit comprises a delay module, a switch module and a switching interface. The delay module is electrically connected with the power supply, the power supply generates a power supply signal, and the delay module generates a switch control signal according to the power supply signal; the switch module is electrically connected with the delay module and the power supply, and is switched on or switched off according to the switch control signal and the power supply signal; a first pin of the switching interface is electrically connected with the switch module, a second pin of the switching interface is electrically connected with the mainboard, and a third pin of the switching interface is suspended; the mainboard performs the startup operation according to the conduction state of the second pin of the switching interface and the first pin of the switching interface and the conduction state of the switch module. The utility model discloses an automatic start circuit can let the user switch through directly controlling the switching interface and whether use the function of the automatic start of electricity to user's operation flow has been simplified.
Description
Technical Field
The utility model belongs to the technical field of the switch circuit technique and specifically relates to an automatic start circuit and electronic equipment are related to.
Background
At present, after the electronic equipment is powered on, a user needs to set an automatic starting function of a mainboard of the electronic equipment according to actual requirements.
In the related art, in order to implement the above-mentioned power-on auto-on function, a user generally sets the power-on auto-on function in a BIOS of a motherboard. However, the above-mentioned method for setting the power-on auto-on requires a certain computer knowledge base, and the BIOS CMOS needs to be manually entered to perform the setting each time the power-on auto-on function is turned on or off, so that the operation procedure is complicated, and it is difficult for the user to switch whether to use the power-on auto-on function.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an automatic start circuit can simplify the operation flow that the user switched to use the automatic start function of electricity.
The utility model discloses still provide an electronic equipment with above-mentioned automatic start circuit.
According to the utility model discloses an automatic start circuit of first aspect embodiment is applied to electronic equipment, electronic equipment includes the mainboard, automatic start circuit includes:
the time delay module is used for being electrically connected with a power supply; the power supply is used for generating a power supply signal, and the delay module is used for generating a switch control signal according to the power supply signal;
the switch module is used for being respectively and electrically connected with the delay module and the power supply, and the switch module is used for being switched on or switched off according to the switch control signal and the power supply signal;
a first pin of the switching interface is used for being electrically connected with the switch module, a second pin of the switching interface is used for being electrically connected with the mainboard, and a third pin of the switching interface is suspended;
the mainboard is used for carrying out starting operation according to the conduction state of the second pin of the switching interface and the first pin of the switching interface and the conduction state of the switch module.
According to the utility model discloses automatic start circuit has following beneficial effect at least: and the user directly controls the conduction states of the second pin and the first pin and the third pin of the switching interface respectively, and the automatic starting function is started when the second pin of the switching interface is conducted with the first pin. The time delay module generates a switch control signal according to the power supply signal, the switch module is switched on or off according to the switch control signal, and when the second pin of the switching interface is switched on with the first pin, the mainboard performs a starting operation according to the switching state of the switch module. The automatic starting circuit of the embodiment can enable a user to switch whether to use the function of automatic starting by electrifying or not by directly controlling the switching interface, thereby simplifying the operation process of the user.
According to some embodiments of the invention, the delay module comprises:
one end of the first resistor is used for being electrically connected with the power supply, and the other end of the first resistor is used for being electrically connected with the switch module;
one end of the first capacitor is electrically connected with the switch module, and the other end of the first capacitor is grounded.
According to some embodiments of the invention, the switch module comprises:
a first switching unit for electrically connecting with a connection node of the first resistor and the first capacitor;
and the second switch unit is used for being electrically connected with the first switch unit, the power supply and the first pin of the switching interface respectively.
According to some embodiments of the invention, the first switching unit comprises:
and the grid electrode of the first voltage-current control element is electrically connected with the connection node of the first resistor and the first capacitor, the source electrode of the first voltage-current control element is grounded, and the drain electrode of the first voltage-current control element is electrically connected with the power supply.
According to some embodiments of the invention, the second switch unit comprises:
and a gate of the second voltage-current control element is electrically connected with a drain of the first voltage-current control element, a source of the second voltage-current control element is grounded, and a drain of the second voltage-current control element is electrically connected with a first pin of the switching interface.
According to some embodiments of the invention, the first and second pressure control flow elements comprise any of a triode, a field effect transistor, respectively.
According to some embodiments of the invention, the second switch unit further comprises:
and one end of the second resistor is electrically connected with the power supply, and the other end of the second resistor is electrically connected with the drain electrode of the first voltage-current control element.
According to some embodiments of the utility model, the auto-on circuit still includes:
the cathode of the first diode is used for being electrically connected with the power supply, and the anode of the first diode is used for being electrically connected with the switch module.
According to some embodiments of the utility model, the switching interface is the dupont interface.
According to the utility model discloses an electronic equipment of second aspect embodiment includes:
according to the utility model discloses the automatic start-up circuit of above-mentioned first aspect embodiment;
and the mainboard is used for being electrically connected with the second pin of the switching interface.
According to the utility model discloses electronic equipment has following beneficial effect at least: by adopting the automatic starting circuit, the electronic equipment simplifies the operation process of switching the function of the automatic starting by the user.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is a block diagram of an embodiment of an auto-start circuit according to the present invention;
fig. 2 is a schematic circuit diagram of an embodiment of an auto-start circuit according to the present invention.
Reference numerals are as follows:
the circuit comprises a delay module 100, a switch module 200, a switching interface 300, a power supply 400, a mainboard 500, a first switch unit 210 and a second switch unit 220.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1, an embodiment of the utility model provides an automatic start-up circuit, this automatic start-up circuit is applied to electronic equipment, and electronic equipment includes mainboard 500, and the automatic start-up circuit includes: a delay module 100, a switch module 200 and a switching interface 300. The delay module 100 is configured to be electrically connected to a power supply 400, the power supply 400 is configured to generate a power supply signal, and the delay module 100 is configured to generate a switch control signal according to the power supply signal; the switch module 200 is used for being electrically connected with the delay module 100 and the power supply 400 respectively, and the switch module 200 is used for being switched on or off according to the switch control signal and the power supply signal; a first pin of the switching interface 300 is used for being electrically connected with the switch module 200, a second pin of the switching interface 300 is used for being electrically connected with the mainboard 500, and a third pin of the switching interface 300 is suspended; the main board 500 is configured to perform a power-on operation according to the conduction states of the second pin of the switch interface 300 and the first pin of the switch interface 300 and the conduction state of the switch module 200.
Specifically, the delay module 100 is electrically connected to the power supply 400 and the switch module 200, respectively, after the electronic device is powered on, the power supply 400 starts to generate a power supply signal, and the delay module 100 receives the power supply signal and generates a switch control signal according to the power supply signal. The switch module 200 is electrically connected to the delay module 100, the power supply 400, and the first pin of the switch interface 300, respectively, and the switch module 200 receives the switch control signal and is turned on or off according to the switch control signal to generate a low level signal or a high level signal. A user directly controls the conduction states of the second pin and the first pin and the third pin of the switching interface 300, and when the user controls the conduction of the second pin and the third pin of the switching interface 300, the mainboard 500 cannot receive a level signal generated by the switch module 200, so that the automatic startup function is not started at this time; when the user controls the second pin of the switch interface 300 to be connected to the first pin, the motherboard 500 can receive the level signal generated by the switch module 200, and at this time, the motherboard 500 performs a power-on operation according to the connection state of the switch module 200.
According to the utility model discloses automatic start circuit, user direct control switches interface 300's second pin respectively with the on-state of first pin, third pin, switches interface 300's second pin and launches the automatic start function when first pin switches on. The delay module 100 generates a switch control signal according to the power supply signal, the switch module 200 is turned on or off according to the switch control signal, and the motherboard 500 performs a power-on operation according to the on state of the switch module 200 when the second pin of the switch interface 300 is turned on or off according to the first pin. The auto-start circuit of the embodiment enables a user to switch whether to use the function of power-on auto-start by directly controlling the switching interface 300, thereby simplifying the operation process of the user.
As shown in fig. 2, in some embodiments of the present invention, the delay module 100 includes: first resistance R1, first electric capacity C1. One end of the first resistor R1 is used for being electrically connected with the power supply 400, and the other end of the first resistor R1 is used for being electrically connected with the switch module 200; one end of the first capacitor C1 is used for electrically connecting with the switch module 200, and the other end of the first capacitor C1 is grounded.
Specifically, the first resistor R1 and the first capacitor C1 are connected in series, a connection node of the first resistor R1 and the first capacitor C1 is electrically connected to the switch module 200, and the first resistor R1 and the first capacitor C1 play a role in delaying time. When the electronic device starts to be powered on, since the first capacitor C1 is in a charging state, and at this time, the first capacitor C1 is equivalent to a short-circuit state, a connection node between the first resistor R1 and the first capacitor C1 is at a low level, that is, a switch control signal output to the switch module 200 is a low level signal; after the electronic device is powered on for a certain time, the first capacitor C1 is fully charged, and at this time, the first capacitor C1 is equivalent to an open circuit state, so that a connection node between the first resistor R1 and the first capacitor C1 is at a high level, that is, the switch control signal output to the switch module 200 is a high level signal. The resistance value of the first resistor R1 may be selected to be 1M Ω, and the capacitance value of the first capacitor C1 may be selected to be 10uF, and it can be understood that the resistance value of the first resistor R1 and the capacitance value of the first capacitor C1 may also be adaptively selected according to actual needs.
As shown in fig. 2, in some embodiments of the present invention, the switch module 200 includes: a first switching unit 210 and a second switching unit 220. The first switching unit 210 is configured to be electrically connected to a connection node between the first resistor R1 and the first capacitor C1; the second switch unit 220 is used for being electrically connected with the first switch unit 210, the power supply 400 and the first pin of the switching interface 300, respectively.
Specifically, the first switch unit 210 is electrically connected to a connection node of the first resistor R1 and the first capacitor C1, and the second switch unit 220 is electrically connected to the power supply 400 and the first pin of the switching interface 300. The first switch unit 210 is turned on or off according to the switch control signal, the second switch unit 220 is turned on or off according to the on state of the first switch unit 210, and when the user controls the second pin and the first pin of the switch interface 300 to be turned on, the motherboard 500 performs a power-on operation according to the on state of the second switch unit 220.
As shown in fig. 2, in some embodiments of the present invention, the first switching unit 210 includes a first voltage-controlled current element Q1. The gate of the first voltage-current controlling element Q1 is used to be electrically connected to the connection node of the first resistor R1 and the first capacitor C1, the source of the first voltage-current controlling element Q1 is grounded, and the drain of the first voltage-current controlling element Q1 is used to be electrically connected to the power supply 400.
Specifically, the gate of the first voltage-current controlling element Q1 receives the switch control signal output by the delay module 100, and when the electronic device starts to be powered on, the switch control signal is a low level signal, that is, at this time, the gate of the first voltage-current controlling element Q1 is in a low level state, so that the first voltage-current controlling element Q1 is turned off; after the electronic device is powered on for a certain time, the switch control signal is a high level signal, so that the level state of the gate of the first voltage-controlled current element Q1 is set high, and at this time, the first voltage-controlled current element Q1 is turned on.
As shown in fig. 2, in some embodiments of the present invention, the second switching unit 220 includes a second voltage-controlled current element Q2. The gate of the second voltage-current controlling element Q2 is electrically connected to the drain of the first voltage-current controlling element Q1, the source of the second voltage-current controlling element Q2 is grounded, and the drain of the second voltage-current controlling element Q2 is electrically connected to the first pin of the switching interface 300.
Specifically, the gate of the second voltage-controlled current element Q2 is electrically connected to the drain of the first voltage-controlled current element Q1 and the power supply 400, respectively. When the electronic device starts to be powered on, the first voltage-controlled current element Q1 is turned off, and at this time, the power supply 400 provides a high level signal to the gate of the second voltage-controlled current element Q2, that is, the gate of the second voltage-controlled current element Q2 is in a high level state, so that the second voltage-controlled current element Q2 is turned on, so that the level state of the first pin of the switching interface 300 is set to be low, and if the user controls the second pin of the switching interface 300 to be turned on with the first pin, the motherboard 500 receives the low level signal; after the electronic device is powered on for a period of time, the first voltage-current controlling element Q1 is turned on, the gate of the second voltage-current controlling element Q2 is grounded, and at this time, the gate of the second voltage-current controlling element Q2 is in a low level state, so that the second voltage-current controlling element Q2 is turned off, so that the level state of the first pin of the switching interface 300 is set high, and if the user controls the second pin of the switching interface 300 to be turned on with the first pin, the motherboard 500 receives a high level signal. After the electronic device is powered on, the motherboard 500 receives the low level signal and then receives the high level signal, which satisfies the "low level-high level" boot timing sequence of the motherboard 500, so that the motherboard 500 can perform boot operation.
As shown in fig. 2, in some embodiments of the present invention, the first voltage-current controlling element Q1 and the second voltage-current controlling element Q2 respectively include any one of a triode and a field effect transistor.
Specifically, the first pressure flow control element Q1 and the second pressure flow control element Q2 can be field effect transistors, and the model can be 2N7002. It can be understood that the types and models of the first pressure flow control element Q1 and the second pressure flow control element Q2 can also be adaptively selected according to actual needs.
As shown in fig. 2, in some embodiments of the present invention, the second switch unit 220 further includes a second resistor R2. One end of the second resistor R2 is electrically connected to the power supply 400, and the other end of the second resistor R2 is electrically connected to the drain of the first voltage-controlled current element Q1.
Specifically, the second resistor R2 is a pull-up resistor, and the second resistor R2 is electrically connected to a connection node between the drain of the first voltage-controlled current element Q1 and the gate of the second voltage-controlled current element Q2, and the power supply 400. The resistance value of the second resistor R2 may be selected to be 100k Ω, and it can be understood that the resistance value of the second resistor R2 may also be adaptively selected according to actual needs.
As shown in fig. 2, in some embodiments of the present invention, the auto-on circuit further includes a first diode D1. The cathode of the first diode D1 is used to electrically connect with the power supply 400, and the anode of the first diode D1 is used to electrically connect with the switch module 200.
Specifically, the first diode D1 is used to provide a discharge line for the first capacitor C1, so as to achieve the effect of discharging the first capacitor C1 quickly even when the power supply 400 is unstable. The model of the first diode D1 may be selected as DSK14, and it is understood that the model of the first diode D1 may also be adaptively selected according to actual needs.
In some embodiments of the present invention, the switching interface is a dupont interface.
Specifically, through setting up the dupont interface, the user can control the connection between each pin of dupont interface more conveniently to whether the switching uses the function of the automatic start of electricity.
An embodiment of the utility model provides an electronic equipment is still provided, include: mainboard, the auto-on circuit as described in any of the above embodiments. The mainboard is used for being electrically connected with the second pin of the switching interface.
It can be seen that, the contents in the above embodiments of the auto-on circuit are all applicable to the embodiment of the electronic device, and the functions implemented in the embodiment of the electronic device are the same as those in the above embodiment of the auto-on circuit, and the beneficial effects achieved by the embodiment of the auto-on circuit are also the same as those achieved by the embodiment of the auto-on circuit.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (10)
1. The automatic start-up circuit is characterized by being applied to electronic equipment, the electronic equipment comprises a mainboard, and the automatic start-up circuit comprises:
the time delay module is used for being electrically connected with a power supply; the power supply is used for generating a power supply signal, and the delay module is used for generating a switch control signal according to the power supply signal;
the switch module is used for being respectively and electrically connected with the delay module and the power supply, and the switch module is used for being switched on or switched off according to the switch control signal and the power supply signal;
a first pin of the switching interface is used for being electrically connected with the switch module, a second pin of the switching interface is used for being electrically connected with the mainboard, and a third pin of the switching interface is suspended;
the mainboard is used for carrying out starting operation according to the conduction state of the second pin of the switching interface and the first pin of the switching interface and the conduction state of the switch module.
2. The auto-on circuit of claim 1, wherein the delay module comprises:
one end of the first resistor is used for being electrically connected with the power supply, and the other end of the first resistor is used for being electrically connected with the switch module;
one end of the first capacitor is electrically connected with the switch module, and the other end of the first capacitor is grounded.
3. The auto-on circuit of claim 2, wherein the switch module comprises:
a first switching unit for electrically connecting a connection node of the first resistor and the first capacitor;
and the second switch unit is used for being electrically connected with the first switch unit, the power supply and the first pin of the switching interface respectively.
4. The auto-on circuit of claim 3, wherein the first switching unit comprises:
and the grid electrode of the first voltage-current control element is electrically connected with the connection node of the first resistor and the first capacitor, the source electrode of the first voltage-current control element is grounded, and the drain electrode of the first voltage-current control element is electrically connected with the power supply.
5. The auto-on circuit of claim 4, wherein the second switching unit comprises:
and a gate of the second voltage-current control element is electrically connected with a drain of the first voltage-current control element, a source of the second voltage-current control element is grounded, and a drain of the second voltage-current control element is electrically connected with a first pin of the switching interface.
6. The auto-on circuit of claim 5, wherein the first and second voltage controlled flow elements each comprise any one of a triode and a field effect transistor.
7. The auto-on circuit of claim 6, wherein the second switching unit further comprises:
and one end of the second resistor is electrically connected with the power supply, and the other end of the second resistor is electrically connected with the drain electrode of the first voltage-current control element.
8. The auto-on circuit of any one of claims 1 to 7, further comprising:
the cathode of the first diode is used for being electrically connected with the power supply, and the anode of the first diode is used for being electrically connected with the switch module.
9. The auto-on circuit of claim 8, wherein the switching interface is a dupont interface.
10. An electronic device, comprising:
the auto-on circuit of any one of claims 1 to 7;
and the mainboard is used for being electrically connected with the second pin of the switching interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315842.2U CN217543791U (en) | 2022-05-27 | 2022-05-27 | Automatic starting circuit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315842.2U CN217543791U (en) | 2022-05-27 | 2022-05-27 | Automatic starting circuit and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217543791U true CN217543791U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221315842.2U Active CN217543791U (en) | 2022-05-27 | 2022-05-27 | Automatic starting circuit and electronic equipment |
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| CN (1) | CN217543791U (en) |
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- 2022-05-27 CN CN202221315842.2U patent/CN217543791U/en active Active
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