CN103676675B - Equipment automatic power supply device and equipment automatic power interface - Google Patents
Equipment automatic power supply device and equipment automatic power interface Download PDFInfo
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- CN103676675B CN103676675B CN201210325493.7A CN201210325493A CN103676675B CN 103676675 B CN103676675 B CN 103676675B CN 201210325493 A CN201210325493 A CN 201210325493A CN 103676675 B CN103676675 B CN 103676675B
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Abstract
The present invention relates to a kind of equipment automatic power supply device and equipment automatic power interface, the signal that the equipment automatic power supply device includes being used to draw equipment ground signal draws module and for according to equipment ground signal, determining the control module of power supply to the device.Signal is drawn module and is connected respectively with the earth terminal and control module of equipment, and power end of the control module respectively with power supply and equipment is connected.The invention further relates to a kind of equipment automatic power interface.The equipment automatic power supply device and equipment automatic power interface of the present invention can detect the installation of equipment, realize that the automatic power and setup cost of equipment are low.
Description
Technical field
The present invention relates to equipment detection field, installation and realization more specifically to a kind of detectable equipment are automatically
The equipment automatic power supply device and equipment automatic power interface of power supply.
Background technology
With the development of science and technology, the speed that some device upgrades update is more and more faster.The upgrading of equipment for convenience, design
Personnel, which can reserve some interfaces, is used for external equipment, with the function of expansion equipment.When typically using external equipment, meeting first will be external
Equipment is arranged on corresponding interface, and then user starts the external equipment by software design patterns.Also there is the interface of some equipment
On be provided with external equipment detecting pin, once external equipment detecting pin detects external equipment and is installed on the interface, just
Automatically it can be powered to the external equipment on the interface, the external equipment is started working.
Such as user is powered by the method for software design patterns to external equipment, then the operation to user requires higher, and sets
External equipment cisco unity malfunction may be caused by putting mistake.The method that pin is such as detected using external equipment is supplied to external equipment
Electricity, then needed to be separately provided detecting pin to each interface, cause the increase of equipment making cost, and no external equipment is detectd
The interface of test tube pin can not be realized powers to external equipment automatically.
Therefore, it is necessary to a kind of equipment automatic power supply device and equipment automatic power interface are provided, to solve prior art institute
The problem of existing.
The content of the invention
The technical problem to be solved in the present invention is, needs artificial realize to power for external equipment of the prior art,
Or the power supply of external equipment is realized by the detecting pin set on interface, cause the powered operation of external equipment it is numerous and diverse,
Cost is higher and compatible poor technical problem；A kind of installation of detectable equipment is provided, the automatic power of equipment is realized
And the equipment automatic power supply device and equipment automatic power interface of low cost.
The present invention relates to a kind of equipment automatic power supply device, it includes：
Signal draws module, for drawing equipment ground signal；And
Control module, for according to the equipment ground signal, it is determined that being powered to the equipment；
The signal is drawn module and is connected respectively with the earth terminal and the control module of the equipment, the control module
The power end with power supply and the equipment is connected respectively.
In equipment automatic power supply device of the present invention, the signal, which draws module, to be included：
Signal leading-in end, is connected with the earth terminal of the equipment, for introducing the equipment ground signal；
Signal processing unit, for the equipment ground signal to be converted to stable high level signal or low level signal
Output；And
Signal output part, for exporting the high level signal or the low level signal.
In equipment automatic power supply device of the present invention, the signal processing unit includes power end and pull-up electricity
Resistance, one end of the pull-up resistor is connected by the power end with the power supply, the other end of the pull-up resistor respectively with
Signal leading-in end and the signal output part connection.
In equipment automatic power supply device of the present invention, the control module is switching tube, the control of the switching tube
End processed is connected with the signal output part, and the input of the switching tube is connected with the power supply, the output end of the switching tube
It is connected with the power end of the equipment.
In equipment automatic power supply device of the present invention, the control module is p type field effect transistor, the P
The grid of type field-effect transistor is connected with the signal output part, the source electrode of the p type field effect transistor and the power supply
Connection, the drain electrode of the p type field effect transistor is connected with the power end of the equipment.
The invention further relates to a kind of equipment automatic power interface, it includes interface body and equipment automatic power supply device,
The interface body includes device power supply (DPS) end and equipment ground end；
The equipment automatic power supply device includes：
Signal draws module, for drawing equipment ground signal by the equipment ground end；And
Control module, for according to the equipment ground signal, it is determined that being supplied by the device power supply (DPS) end to the equipment
Electricity；
The signal is drawn module and is connected respectively with the equipment ground end and the control module, the control module point
It is not connected with power supply and the device power supply (DPS) end.
In equipment automatic power interface of the present invention, the signal, which draws module, to be included：
Signal leading-in end, is connected with the equipment ground end, for introducing the equipment ground signal；
Signal processing unit, for the equipment ground signal to be converted to stable high level signal or low level signal
Output；And
Signal output part, for exporting the high level signal or the low level signal.
In equipment automatic power interface of the present invention, the signal processing unit includes power end and pull-up electricity
Resistance, one end of the pull-up resistor is connected by the power end with the power supply, the other end of the pull-up resistor respectively with
Signal leading-in end and the signal output part connection.
In equipment automatic power interface of the present invention, the control module is switching tube, the control of the switching tube
The signal output part that module is drawn in end processed with the signal is connected, and the input of the switching tube is connected with the power supply, described
The output end of switching tube is connected with the power end of the equipment.
In equipment automatic power interface of the present invention, the control module is p type field effect transistor, the P
The signal output part that the grid of type field-effect transistor draws module with the signal is connected, the p type field effect transistor
Source electrode is connected with the power supply, and the drain electrode of the p type field effect transistor is connected with the power end of the equipment.
Implement the equipment automatic power supply device and equipment automatic power interface of the present invention, have the advantages that:It can examine
The installation of measurement equipment, realize that the automatic power and setup cost of equipment are low, solve existing external equipment need it is artificial real
Now power, or the power supply of external equipment is realized by the detecting pin set on interface, cause the power supply of external equipment to grasp
Make that numerous and diverse, cost is higher and compatible poor technical problem.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of the preferred embodiment of the equipment automatic power supply device of the present invention；
Fig. 2 is the electrical block diagram of the preferred embodiment of the equipment automatic power supply device of the present invention；
Wherein, description of reference numerals is as follows：
11st, signal draws module；
12nd, control module；
13rd, interface；
14th, power supply.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is refer to, Fig. 1 is the structural representation of the preferred embodiment of the equipment automatic power supply device of the present invention.This hair
Bright equipment automatic power supply device includes signal and draws module 11 and control module 12.Signal is drawn module 11 and set for extraction
Standby ground signalling；Control module 12 is used for according to equipment ground signal, determines power supply to the device.The signal is drawn module 11 and passed through
Interface 13 is connected with the earth terminal of equipment, and synchronous signal is drawn module 11 and is also connected with control module 12；Control module 12 passes through
Interface 13 is connected with the power end of equipment, while control module 12 is also connected with power supply 14.
The equipment automatic power supply device of the present invention detects that the interface 13 is by detecting the equipment ground signal of interface 13
No connected device.The connected device of interface 13 is such as detected, then is powered by the interface 13 directly to the equipment；As detected
Equipment is not connected with to the interface 13, then is not powered to the interface 13.
Fig. 2 is refer to, Fig. 2 is the electrical block diagram of the preferred embodiment of the equipment automatic power supply device of the present invention.
The signal, which draws module 11, includes signal leading-in end, signal processing unit and signal output part.Signal leading-in end
It is connected by interface 13 with the earth terminal of equipment, for introducing equipment ground signal；Signal processing unit is used for equipment ground
Signal is converted to high level signal or the low level signal output of stabilization；Signal output part be used for export above-mentioned high level signal or
Low level signal.The signal processing unit includes power end and pull-up resistor R1, and pull-up resistor R1 one end passes through power supply
End is connected with power supply, and the other end of pull-up resistor is connected with signal leading-in end and signal output part respectively.
The control module 12 is switching tube, and the control end of the switching tube is connected with the signal output part that signal draws module,
The input of switching tube is connected with power supply, and the output end of switching tube is connected by interface 13 with the power end of equipment.The switching tube
The signal output part that preferably p type field effect transistor Q1, the p type field effect transistor Q1 grid draw module with signal connects
Connect, p type field effect transistor Q1 source electrode is connected with power supply, p type field effect transistor Q1 drain electrode passes through interface 13 and equipment
Power end connection.
The equipment automatic power supply device of the present invention is in use, be not connected with equipment such as interface 13, then the equipment ground of interface 13
Hold GND2 due to the influence of power supply and pull-up resistor R1 that power end is connected in signal processing unit, make equipment ground end GND2
High level signal SENSE is output as, and high level signal SENSE is input to p type field effect transistor Q1 grid；At this moment
P type field effect transistor Q1 ends, and PWROUT and PWRIN disconnect, the device power supply (DPS) end PWR of the interface 13 being connected with PWROUT without
Input voltage, i.e., be not powered to the interface 13, while can also be by detecting high level signal SENSE in display device
The middle state for showing the interface 13.
Such as interface 13 is connected to equipment, then the equipment ground end GND1 of interface 13 and equipment ground end GND2 pass through equipment
Earth terminal ground connection, at this moment equipment ground end GND2 export low level signal SENSE, and by low level signal SENSE input
To p type field effect transistor Q1 grid；At this moment p type field effect transistor Q1 is turned on, PWROUT and PWRIN connections, i.e.,
PWROUT is connected with power supply, the device power supply (DPS) end PWR input supply voltages for the interface 13 being connected with PWROUT, i.e., to the interface 13
On equipment be powered, while can also be by detecting that low level signal SENSE shows the interface 13 in the display device
State.
The automatic power on-off of equipment is so realized by plug of the external equipment on interface 13.Due to all interfaces
Equipment ground end can be set, therefore the equipment automatic power supply device of the present invention can be increased on any interface, with stronger
Compatibility, and the equipment automatic power supply device of the present invention is simple in construction, easy to operate, cost of implementation is low and can be to a certain extent
The electric leakage of equipment is reduced, the reliability of whole product is improved.
The invention further relates to a kind of equipment automatic power interface, the equipment automatic power interface includes interface body and set
Standby automatic power supply device.The interface body includes device power supply (DPS) end and equipment ground end.The equipment automatic power supply device includes
Signal draws module and control module.Signal, which draws module, to be used to draw equipment ground signal by equipment ground end；Control
Module is used for according to equipment ground signal, it is determined that passing through device power supply (DPS) end power supply to the device.The signal draws module respectively with setting
Standby interface end and control module are connected, and control module is connected with power supply and device power supply (DPS) end respectively.
The signal, which draws module, includes signal leading-in end, signal processing unit and signal output part.Signal leading-in end with
Equipment ground end is connected, for introducing equipment ground signal；Signal processing unit is used to equipment ground signal being converted to stabilization
High level signal or low level signal output；Signal output part is used to export above-mentioned high level signal or low level signal.Should
Signal processing unit includes power end and pull-up resistor, and one end of the pull-up resistor is connected by power end with power supply, pulls up
The other end of resistance is connected with signal leading-in end and signal output part respectively.
The control module is switching tube, and the control end of the switching tube is connected with the signal output part that signal draws module, opened
The input for closing pipe is connected with power supply, and the output end of switching tube is connected by interface and the power end of equipment.The switching tube is preferred
For p type field effect transistor, the grid of the p type field effect transistor is connected with the signal output part that signal draws module, p-type
The source electrode of effect transistor is connected with power supply, and the drain electrode of p type field effect transistor is connected by interface and the power end of equipment.
The specifically used process of the equipment automatic power interface of the present invention is specific with above-mentioned equipment automatic power supply device
Embodiment it is same or similar, refer to the specific embodiment of the said equipment automatic power supply device.
The equipment automatic power supply device and equipment automatic power interface of the present invention can detect the installation of equipment, realize equipment
Automatic power, while setup cost is low, simple in construction and easy to operate；Solving existing external equipment needs artificial realize
Power supply, or the power supply of external equipment is realized by the detecting pin set on interface, cause the powered operation of external equipment
Numerous and diverse, cost is higher and compatible poor technical problem.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made, or other related technical fields are directly or indirectly used in,
Similarly it is included within the scope of the present invention.
Claims (4)
1. a kind of device to external equipment automatic power, it is characterised in that including：
Signal draws module, the high/low level of the equipment ground signal for drawing the interface for being used to connect the external equipment；
And
Control module, for the high/low level according to the equipment ground signal, it is determined whether by the interface to described outer
Equipment is connect to power；
The signal is drawn module and is connected respectively with the equipment ground end of the interface and the control module, the control module
The device power supply (DPS) end with power supply and the interface is connected respectively；
Wherein, the signal is drawn module and included：
Signal leading-in end, is connected with the earth terminal of the equipment, for introducing the equipment ground signal；
Signal processing unit, the high level signal or low level signal for the equipment ground signal to be converted to stabilization is defeated
Go out, specifically include power end and pull-up resistor, one end of the pull-up resistor is connected by the power end with the power supply,
The other end of the pull-up resistor is connected with the signal leading-in end and the signal output part respectively；And
Signal output part, for exporting the high level signal or the low level signal；
The control module is switching tube, and the control end of the switching tube is connected with the signal output part, the switching tube
Input is connected with the power supply, and the output end of the switching tube is connected with the power end of the equipment.
2. the device according to claim 1 to external equipment automatic power, it is characterised in that the control module is P
Type field-effect transistor, the grid of the p type field effect transistor is connected with the signal output part, and the p-type field-effect is brilliant
The source electrode of body pipe is connected with the power supply, and the drain electrode of the p type field effect transistor is connected with the device power supply (DPS) end of the interface.
3. a kind of interface to external equipment automatic power, it is characterised in that including the interface body for connecting external equipment
And equipment automatic power supply device,
The interface body includes device power supply (DPS) end and equipment ground end；
The equipment automatic power supply device includes：
Signal draws module, the high/low level for drawing equipment ground signal by the equipment ground end；And
Control module, for the high/low level according to the equipment ground signal, it is determined whether given by the device power supply (DPS) end
The external equipment is powered；
The signal is drawn module and is connected respectively with the equipment ground end and the control module, the control module respectively with
Power supply and device power supply (DPS) end connection；
Wherein, the signal is drawn module and included：
Signal leading-in end, is connected with the equipment ground end, for introducing the equipment ground signal；
Signal processing unit, the high level signal or low level signal for the equipment ground signal to be converted to stabilization is defeated
Go out, specifically include power end and pull-up resistor, one end of the pull-up resistor is connected by the power end with the power supply,
The other end of the pull-up resistor is connected with the signal leading-in end and the signal output part respectively；And
Signal output part, for exporting the high level signal or the low level signal；
The control module is switching tube, and the control end of the switching tube is connected with the signal output part, the switching tube
Input is connected with the power supply, and the output end of the switching tube is connected with the power end of the equipment.
4. the interface according to claim 3 to external equipment automatic power, it is characterised in that the control module is P
Type field-effect transistor, the grid of the p type field effect transistor is connected with the signal output part, and the p-type field-effect is brilliant
The source electrode of body pipe is connected with the power supply, and the drain electrode of the p type field effect transistor is connected with the power end of the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325493.7A CN103676675B (en) | 2012-09-05 | 2012-09-05 | Equipment automatic power supply device and equipment automatic power interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325493.7A CN103676675B (en) | 2012-09-05 | 2012-09-05 | Equipment automatic power supply device and equipment automatic power interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103676675A CN103676675A (en) | 2014-03-26 |
| CN103676675B true CN103676675B (en) | 2017-08-15 |
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ID=50314584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210325493.7A Expired - Fee Related CN103676675B (en) | 2012-09-05 | 2012-09-05 | Equipment automatic power supply device and equipment automatic power interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103676675B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552474B (en) * | 2021-07-29 | 2023-04-07 | 上海壁仞智能科技有限公司 | Compatible power interface detection circuit and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW488583U (en) * | 2000-06-14 | 2002-05-21 | Mei-Shiue Chen | Detection-apparatus improvement of electric power supplier |
| TW200731061A (en) * | 2006-02-10 | 2007-08-16 | Mitac Int Corp | Power management system and method thereof |
| CN101588647A (en) * | 2008-05-19 | 2009-11-25 | 深圳富泰宏精密工业有限公司 | Automatic starting device |
| CN102331726A (en) * | 2011-07-14 | 2012-01-25 | 王稳忠 | Standby energy conservation electronic module of intelligent electric apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW287939B (en) * | 1995-11-24 | 1996-10-11 | Shyi-Kuen Yang | Method of increasing the annual production amount of antlers by means of lighting control |
-
2012
- 2012-09-05 CN CN201210325493.7A patent/CN103676675B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW488583U (en) * | 2000-06-14 | 2002-05-21 | Mei-Shiue Chen | Detection-apparatus improvement of electric power supplier |
| TW200731061A (en) * | 2006-02-10 | 2007-08-16 | Mitac Int Corp | Power management system and method thereof |
| CN101588647A (en) * | 2008-05-19 | 2009-11-25 | 深圳富泰宏精密工业有限公司 | Automatic starting device |
| CN102331726A (en) * | 2011-07-14 | 2012-01-25 | 王稳忠 | Standby energy conservation electronic module of intelligent electric apparatus |
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| Publication number | Publication date |
|---|---|
| CN103676675A (en) | 2014-03-26 |
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Granted publication date: 20170815 Termination date: 20200905 |