CN109799743A - A kind of display control circuit and method of power supply status and communications status - Google Patents
A kind of display control circuit and method of power supply status and communications status Download PDFInfo
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- CN109799743A CN109799743A CN201811520739.XA CN201811520739A CN109799743A CN 109799743 A CN109799743 A CN 109799743A CN 201811520739 A CN201811520739 A CN 201811520739A CN 109799743 A CN109799743 A CN 109799743A
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Abstract
The invention discloses the display control circuits and method of a kind of power supply status and communications status, the external equipment connection status of its input/output interface that will test by communication transmission module is sent to main control module, main control module thoroughly does away with the connection status received and carrys out the output of state of a control control output module to achieve the effect that control instructions lamp module corresponds to different connection status and carry out different displays, overcome in the prior art circuit structure when to power supply status and communications status progress display control many and diverse, technical problem at high cost, it provides a kind of succinct effective, the display control circuit and method of power supply status and communications status at low cost, there is apparent advantage in device miniaturization and specific use occasion.
Description
Technical field
The present invention relates to the display control technology fields of power supply status and communications status, more particularly, to a kind of power supply status
With the display control circuit and method of communications status.
Background technique
With the continuous development of science and technology, various instrument and equipments are also constantly being minimized to meet user or using field
The demand of scape, such as security monitoring camera is in order to meet the outdoor requirement to discharge water, it is therefore desirable to interface conjunction is arrived as much as possible
In buttock line, to better meet the use demand of security monitoring camera.
In the prior art, the display of power supply status and communications status generally passes through following two after interface being closed into buttock line
Method is realized:
1, power supply status and communications status are indicated using same LED lamp, is meeting LED just by increasing power supply line on buttock line
Pole, LED cathode are connected to control chip and realize.
2, it is realized by integrating the LED light of two different colours on buttock line and increasing instruction lamp control module.
The first above implementation is due to increasing power supply line so that IPC mould group also needs to reserve corresponding power supply
Line, so that cost is got higher, second of implementation makes the cost realized higher due to increasing new device.Therefore, how
Succinctly, it effectively indicates to solve above-mentioned technical problem desirable good economic benefit while power supply status and communications status.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to provide a kind of display control circuit of power supply status and communications status effectively, inexpensive.
For this purpose, a second object of the present invention is to provide the display control sides of a kind of reliable power supply status and communications status
Method.
The technical scheme adopted by the invention is that:
In a first aspect, the present invention provides the display control circuit of a kind of power supply status and communications status comprising: master control mould
Block, communication transmission module, state control output module, indicating lamp module and input/output interface；Wherein, input/output interface
The connection of the input terminal of output end and indicating lamp module, communication transmission module are connect with input/output interface, main control module respectively, main
The output end for controlling module is connect with the input terminal of state control output module, and the output end of state control output module and input are defeated
The input terminal of outgoing interface connects.
Further, state control output module includes: first resistor, second resistance and the first triode；First resistor
One end connect with main control module, the other end of first resistor is connect with the base stage of the first triode, the transmitting of the first triode
Pole ground connection, the collector of the first triode are connect with the input terminal of one end of second resistance, input/output interface respectively, the second electricity
The other end of resistance connects power supply.
Further, input/output interface includes external device communication interface and internal output interface, external device communication
Interface is connect with communication transmission module, and the output end of status control module is connect with the input terminal of internal output interface, internal defeated
The output end of outgoing interface and the input terminal of indicating lamp module connect.
Further, communication transmission module includes network transformer, network transformer respectively with external device communication interface,
Main control module connection.
Further, main control module includes PHY IP101GR model chip.
Further, indicating lamp module is light emitting diode.
Second aspect, the present invention provide the display control method of a kind of power supply status and communications status, are applied to described
Power supply status and communications status display control circuit in, comprising steps of
S1, communication transmission module obtain the connection status of input/output interface module, and connection status includes connected state or non-
Connected state；
Connection status is sent to main control module by S2, communication module；
S3, main control module control the output of output module according to connection status state of a control to control instructions lamp module
Working condition, working condition include the state that is always on or flashing state or state of often going out.
Further, step S1 specifically: communication transmission module passes through logical with the external equipment of input/output interface module
Believe interface connection, has detected whether that external equipment is accessed to obtain connection status.
Further, step S3 includes:
The information that S31, main control module receive is disconnected state, and main control module controls output module by state of a control and makes
Indicating lamp module is in and is always on state；
The information that S32, main control module receive is connected state, and main control module controls output module by state of a control and to refer to
Show that lamp module is in flashing state.
Further, step S3 further include:
S33, main control module are inactive, and indicating lamp module is state of often going out.
The beneficial effects of the present invention are:
A kind of display control circuit and method of power supply status and communications status in the present invention, will by communication transmission module
The external equipment connection status of the input/output interface detected is sent to main control module, and main control module thoroughly does away with the connection received
State come state of a control control output module output to reach control instructions lamp module corresponding to different connection status into
The effect of the different displays of row overcomes in the prior art circuit structure when to power supply status and communications status progress display control numerous
Technical problem miscellaneous, at high cost provides the display control electricity of a kind of succinct power supply status and communications status effective, at low cost
Road and method.
Detailed description of the invention
Fig. 1 is an a kind of specific embodiment module frame of the display control circuit of power supply status and communications status in the present invention
Figure；
Fig. 2 is that a kind of main control module one of the display control circuit of power supply status and communications status in the present invention is embodied
Example circuit diagram；
Fig. 3 is a kind of state control output module one of the display control circuit of power supply status and communications status in the present invention
Specific embodiment circuit diagram；
Fig. 4 is that a kind of communication transmission module one of the display control circuit of power supply status and communications status in the present invention is specific
Embodiment circuit diagram；
Fig. 5 is a kind of input/output interface of the display control circuit of power supply status and communications status and instruction in the present invention
One specific embodiment circuit diagram of lamp module；
Fig. 6 is an a kind of specific embodiment process of the display control method of power supply status and communications status in the present invention
Figure.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As shown in Figure 1, a kind of display control circuit of power supply status and communications status in the present invention comprising master control mould
Block, communication transmission module, state control output module, indicating lamp module and input/output interface；The output of input/output interface
End is connect with the input terminal of indicating lamp module, and communication transmission module is connect with input/output interface, main control module respectively, master control mould
The output end of block is connect with the input terminal of state control output module, and the output end of state control output module connects with input and output
The input terminal connection of mouth, wherein input/output interface includes external device communication interface and internal output interface, and external equipment is logical
Letter interface is connect with communication transmission module, and provides external interface for external equipment access, and internal output interface, which receives, to be come
The control signal of output module is controlled from state and exports control signal to indicating lamp module, with the work of control instructions lamp module
Make state.
Specifically, referring to figs. 2 to Fig. 5, wherein main control module includes PHY IP101GR model chip U1,3rd resistor
R3, the 4th resistance R4, the first inductance L1, first capacitor C1 to the 5th capacitor C5 (its circuit structure is specifically as shown in Figure 2)；State
Control module includes first resistor R1, second resistance R2 and the first triode Q1 (its circuit structure is specifically as shown in Figure 3)；Communication
Transmission module includes THX1601 network transformer T1, the first bilateral diode D1 to third bilateral diode D3, the 5th resistance
R5, the 6th resistance R6, the 6th capacitor C6 to the 8th capacitor C8 (its circuit structure is specifically as shown in Figure 4)；Input/output interface packet
Include interface stand CON1 (its circuit structure is specifically as shown in Figure 5)；Indicating lamp module is the first Light-Emitting Diode D4 (its circuit knot
Structure is specifically as shown in Figure 5)；The anode of first light emitting diode D4 is connect with the signal end ACT of interface stand CON1, and first shines
The cathode of diode D4 is grounded after connecting with interface stand CON1, interface stand CON1 be provided with four core lines interface RJ1, RJ2,
RJ3, RJ6, four core lines interface connect with THX1601 network transformer T1 and externally provide interface, and network transformer has four tunnels
Signal is connect with 26,27,29,30 pins of PHY IP101GR model chip U1 respectively, PHY IP101GR model chip U1's
11 pins are connect with one end of first resistor R1, and the other end of first resistor R1 is connect with the base stage of the first triode Q1, and first
The emitter of triode Q1 is grounded, collector and one end of second resistance R2, the letter of interface stand CON1 of the first triode Q1
Number end ACT connection, another termination 3.3V power supply of second resistance R2.
As shown in fig. 6, a kind of display control method of power supply status and communications status in the present invention, is applied to above-mentioned
In the display control circuit of power supply status and communications status, comprising the following steps:
S1, communication transmission module obtain the connection status of input/output interface module, and connection status includes connected state or non-
Connected state；
Connection status is sent to main control module by S2, communication module；
S3, main control module control the output of output module according to connection status state of a control to control instructions lamp module
Working condition, working condition include the state that is always on or flashing state or state of often going out.
Wherein step S1 specifically: communication transmission module passes through the external device communication interface with input/output interface module
Connection, has detected whether that external equipment is accessed to obtain connection status.
Step S3 includes:
The information that S31, main control module receive is disconnected state, and main control module controls output module by state of a control and makes
Indicating lamp module is in and is always on state；
The information that S32, main control module receive is connected state, and main control module controls output module by state of a control and to refer to
Show that lamp module is in flashing state.
Step S3 further include:
S33, main control module are inactive, and indicating lamp module is state of often going out.
In summary content and the circuit structure with reference to such as Fig. 2 to Fig. 5 illustrate a kind of power supply status of the present invention and communication shape
The display control circuit of state and the specific implementation process of method:
1, communications status is not detected in electric power starting
When being not at communications status, after circuit powers on, THX1601 network transformer T1 passes through interface stand CON1
Access signal is not detected in four core lines interface RJ1, RJ2, RJ3, the RJ6 externally provided, and external equipment will be not detected and connect
The information of the information (there is no communications status) entered is sent to PHY IP101GR model chip U1, PHY IP101GR model chip
U1 does not receive the signal of external equipment access (communications status), then does not change to first resistor R1 in state control output module
Signal output, due to power supply connect after, PHY IP101GR model chip U1 to state control output module first resistor R1
The signal of transmission is to continue low level signal, is reversed to lasting high level signal in the signal by state control output module
Afterwards, it is sent from the drain electrode of first diode Q1 to the signal end of interface stand CON1, and is connected to the first optical diode D4, made
The first light emitting diode be in be always on state.
2, electric power starting and communications status is detected
When being in communications status, after circuit powers on, THX1601 network transformer T1 passes through CON1 pairs of interface stand
Four core lines interface RJ1, RJ2, RJ3, RJ6 of outer offer detect access signal, will test the letter of external equipment access
The information of breath (being in communications status) is sent to PHY IP101GR model chip U1, PHY IP101GR model chip U1 and receives
External equipment accesses the signal of (communications status), then changes and export to the signal of first resistor R1 in state control output module,
After being connected due to power supply, PHY IP101GR model chip U1 controls the signal of the first resistor R1 transmission of output module to state
For lasting low level signal, after the signal of state control output module is reversed to lasting high level signal, by first
The drain electrode of diode Q1 is sent to the signal end of interface stand CON1, and is received in PHY IP101GR model chip U1 outer
When portion's equipment accesses the signal of (communications status), first electricity of the PHY IP101GR model chip U1 to state control output module
The signal that resistance R1 is sent changes into the low level signal with certain frequency, in the signal reversion by state control output module
After the high level signal with certain frequency, and it is connected to the first optical diode D4, is dodged so that the first light emitting diode is in
Bright state.
3, power supply is not opened
When power supply is not opened, master control PHY IP101GR model chip U1 is inactive, not to state control output module
The signal that first resistor R1 is sent, the first light emitting diode D4 is in state of often going out at this time.
The present invention a kind of display control circuit and method of power supply status and communications status will be examined by communication transmission module
The external equipment connection status of the input/output interface measured is sent to main control module, and main control module thoroughly does away with the connection shape received
State carrys out the output of state of a control control output module and corresponds to different connection status progress to reach control instructions lamp module
The effects of difference display, overcome when carrying out display control to power supply status and communications status in the prior art circuit structure it is many and diverse,
Technical problem at high cost provides the display control circuit of a kind of succinct power supply status and communications status effective, at low cost
And method.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. the display control circuit of a kind of power supply status and communications status characterized by comprising main control module, communications
Module, state control output module, indicating lamp module and input/output interface；The output end of the input/output interface with it is described
The input terminal of indicating lamp module connects, and the communication transmission module connects with the input/output interface, the main control module respectively
It connects, the output end of the main control module is connect with the input terminal of state control output module, the state control output mould
The output end of block and the input terminal of input/output interface connect.
2. the display control circuit of power supply status according to claim 1 and communications status, which is characterized in that the state
Controlling output module includes: first resistor, second resistance and the first triode；One end of the first resistor and the master control mould
Block connection, the other end of the first resistor are connect with the base stage of first triode, the emitter of first triode
Ground connection, the collector of first triode input terminal with one end of the second resistance, the input/output interface respectively
The other end of connection, the second resistance connects power supply.
3. the display control circuit of power supply status according to claim 1 and communications status, which is characterized in that the input
Output interface includes external device communication interface and internal output interface, the external device communication interface and the communications
Module connection, the output end of the status control module are connect with the input terminal of the internal output interface, the internal output
The output end of interface is connect with the input terminal of the indicating lamp module.
4. the display control circuit of power supply status according to claim 3 and communications status, which is characterized in that the communication
Transmission module includes network transformer, the network transformer respectively with the external device communication interface, the main control module
Connection.
5. the display control circuit of power supply status according to any one of claims 1 to 4 and communications status, feature exist
In the main control module includes PHY IP101GR model chip.
6. the display control circuit of power supply status according to claim 5 and communications status, which is characterized in that the instruction
Lamp module is light emitting diode.
7. the display control method of a kind of power supply status and communications status, which is characterized in that be applied to such as claim 1 to 6 times
In the display control circuit of power supply status described in one and communications status, comprising steps of
S1, communication transmission module obtain the connection status of input/output interface module, and the connection status includes connected state or non-
Connected state；
The connection status is sent to main control module by S2, the communication module；
S3, the main control module control the output of the state control output module according to the connection status to control instructions
The working condition of lamp module, the working condition include the state that is always on or flashing state or state of often going out.
8. the display control method of power supply status according to claim 7 and communications status, which is characterized in that the step
S1 specifically: the communication transmission module is connect by the external device communication interface with the input/output interface module, inspection
Whether survey has external equipment to access to obtain the connection status.
9. the display control method of power supply status according to claim 8 and communications status, which is characterized in that the step
S3 includes:
The information that S31, the main control module receive is the disconnected state, and the main control module is by controlling the state control
Output module make the indicating lamp module be in be always on state；
The information that S32, the main control module receive is the connected state, and the main control module is defeated by controlling the state control
Module makes the indicating lamp module be in flashing state out.
10. the display control method of power supply status according to claim 9 and communications status, which is characterized in that the step
Rapid S3 further include:
S33, the main control module are inactive, and the indicating lamp module is state of often going out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520739.XA CN109799743A (en) | 2018-12-12 | 2018-12-12 | A kind of display control circuit and method of power supply status and communications status |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520739.XA CN109799743A (en) | 2018-12-12 | 2018-12-12 | A kind of display control circuit and method of power supply status and communications status |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106535390A (en) * | 2016-10-09 | 2017-03-22 | 深圳创维－Rgb电子有限公司 | Constant current driving power supply and display equipment |
| US20170231044A1 (en) * | 2014-08-15 | 2017-08-10 | Philips Lighting Holding B.V. | A module drive and driving method |
| CN107318196A (en) * | 2017-08-16 | 2017-11-03 | 惠州Tcl移动通信有限公司 | The indicator light circuit and its control method of a kind of mobile terminal |
| CN207166829U (en) * | 2017-08-21 | 2018-03-30 | 深圳创维－Rgb电子有限公司 | A kind of control circuit and electric equipment of electric equipment indicator lamp |
| CN108469891A (en) * | 2018-03-12 | 2018-08-31 | 厦门市美亚柏科信息股份有限公司 | Switching on and shutting down management method, terminal device and the storage medium of portable device |
-
2018
- 2018-12-12 CN CN201811520739.XA patent/CN109799743A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170231044A1 (en) * | 2014-08-15 | 2017-08-10 | Philips Lighting Holding B.V. | A module drive and driving method |
| CN106535390A (en) * | 2016-10-09 | 2017-03-22 | 深圳创维－Rgb电子有限公司 | Constant current driving power supply and display equipment |
| CN107318196A (en) * | 2017-08-16 | 2017-11-03 | 惠州Tcl移动通信有限公司 | The indicator light circuit and its control method of a kind of mobile terminal |
| CN207166829U (en) * | 2017-08-21 | 2018-03-30 | 深圳创维－Rgb电子有限公司 | A kind of control circuit and electric equipment of electric equipment indicator lamp |
| CN108469891A (en) * | 2018-03-12 | 2018-08-31 | 厦门市美亚柏科信息股份有限公司 | Switching on and shutting down management method, terminal device and the storage medium of portable device |
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Application publication date: 20190524 |