CN209358232U - Electrical screen power supply smart controller - Google Patents
Electrical screen power supply smart controller Download PDFInfo
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- CN209358232U CN209358232U CN201920149868.6U CN201920149868U CN209358232U CN 209358232 U CN209358232 U CN 209358232U CN 201920149868 U CN201920149868 U CN 201920149868U CN 209358232 U CN209358232 U CN 209358232U
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Abstract
The utility model relates to a kind of electrical screen power supply smart controllers, belong to power supply control technology field.Electrical screen power supply smart controller provided by the embodiment of the utility model, it include: processing chip, current acquisition component and display component, processing chip monitors the working condition of electronic display in real time, receive current acquisition component current value collected, it is handled, if current parameters are greater than the set value, chip triggering cut-off switch is handled, electronical display screen assembly is powered off.Power cut-off can not be controlled, thus the problem of causing fire when electronic display circuit malfunctions or temperature increase in time by solving the electronic display power supply prior art.
Description
Technical field
The utility model belongs to power supply control technology field, and in particular to a kind of electrical screen power supply smart controller.
Background technique
Under the promotion of science and technology rapid development, electronic display is as one of the main devices for decorating and showing information, more
Hair is valued by people.For the switch control of electronic display screen power supply, control method traditional at present is to open manually
Pass or time switch.
In traditional electronic display power switch control, simple short-circuiting means is usually installed in electronic box, with this
To prevent fault from fire occurs.But short-circuiting means can not detection circuit partial fault or temperature increase, and automatically cut off
Power supply causes electronic display circuit when partial fault occurring or temperature increases, is unable to get timely, effective power-off,
Cause the generation of the accidents such as fire.
Utility model content
When partial fault or temperature raising occurs in order to solve electronic display circuit in the prior art, it can not examine in time
The problem of survey, the utility model provide a kind of electrical screen power supply smart controller.
The technology employed by the present utility model is
A kind of electrical screen power supply smart controller, which is characterized in that the controller includes: processing chip, current acquisition
Component, display component；
The current acquisition component is connected with the processing chip respectively with the display component；
The current acquisition component includes: diode group and A/D conversion element；The diode group and the A/D are converted
Element is connected；
The diode group includes: first diode, the second diode, third diode and the 4th diode；Described
One diode and the third Diode series form the first circuit；Second diode and the 4th Diode series,
Form second circuit；First circuit is in parallel with the second circuit；
The A/D conversion element receives the collected analog current signal of diode group, and by the analog current
Signal is converted to target current value；
The processing chip receives the target current value, the size of the target current value and first threshold；If
The target current value is greater than first threshold, then triggers cut-off switch, controls the display component power-off.
Still optionally further, the controller further include: temperature sensing assembly, the temperature sensing assembly and the processing
Chip, the display component are separately connected；The temperature sensing assembly detects the real time temperature of the display component；
The temperature sensing assembly includes temperature element, first resistor, second resistance；The first resistor and described second
Resistor coupled in parallel is connect with the temperature element；The processing chip receives target temperature detected by the temperature sensing assembly
Angle value, and the target temperature value is compared with the second threshold；If the target temperature value is greater than second threshold
Value, then trigger the cut-off switch, controls the display component power-off.
Still optionally further, the controller further includes cooling component；The cooling component is connected with the processing chip；
When the target temperature value, which is greater than third threshold value, is less than the second threshold, the cooling component is triggered, to the display group
Part cools down；The third threshold value is less than the second threshold.
Still optionally further, the controller further includes light detection components；Light detection and the processing chip,
The display component is separately connected；The processing chip receives the display component that the light detection components real-time detection arrives
Target light intensity value, and the target light intensity value and the 4th threshold value, the size of the 5th threshold value；
If the target light intensity value is less than the 4th threshold value, the cut-off switch is triggered, the display group is opened
Part；If the target light intensity value is greater than the 5th threshold value, the cut-off switch is triggered, the display component is closed；Institute
The 4th threshold value is stated less than the 5th threshold value.
Still optionally further, the controller light detection components include: silicon diode.
Still optionally further, the controller further includes rainwater detection components；The rainwater detection components and the processing
Chip is connected, and detects rainwater intensity；The processing chip receives the rainwater intensity value, and by the rainwater intensity value and the 6th
Threshold value is compared；If the rainwater intensity value is greater than the 6th threshold value, the cut-off switch is triggered, the display group is closed
Part power supply.
Still optionally further, the controller further includes communication component；The communication component is connected with the processing chip.
Still optionally further, the communication component includes WIFI component.
Still optionally further, the processing chip includes AT89S52 single-chip microcontroller.
Still optionally further, the diode assembly includes 1N4007 diode.
Electrical screen power supply smart controller provided by the embodiment of the utility model, comprising: processing chip, current acquisition group
Part, display component, by the real electric current for monitoring the work of display component electronic display, processing chip receives target current value, than
Cut-off switch is triggered, to display group if target current value is greater than first threshold compared with the size of target current value and first threshold
Part power-off.It solves in the prior art, when partial fault or temperature raising occur for electronic display circuit, can not detect in time
And the problem of causing fire.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is electrical screen power supply smart controller circuit structure schematic diagram provided by the embodiment of the utility model；
Fig. 2 is another electrical screen power supply smart controller circuit structure schematic diagram provided by the embodiment of the utility model.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
In order to which the technical solution of the utility model is explained, the utility model embodiment provides a kind of electrical screen
Power supply smart controller circuit structure figure.Fig. 1 is electrical screen power supply smart controller circuitry provided by the embodiment of the utility model
Structural schematic diagram, referring to Fig. 1, the electrical screen power supply smart controller of the present embodiment includes: processing chip 1, current acquisition component
2, display component 3.
Wherein, current acquisition component 2 is connected with processing chip 1 respectively with display component 3.
Current acquisition component 2 includes: diode group 21 and A/D conversion element 22, diode group 21 and A/D conversion element phase
Connection.
Diode group 21 includes: first diode AD1, the second diode AD2, third diode AD3 and the 4th diode
AD4.Wherein, first diode AD1 connects with third diode AD3, forms the first circuit.Second diode AD2 and the four or two
Pole pipe AD4 series connection, forms second circuit.First circuit is in parallel with second circuit.
The collected analog current signal of A/D conversion element reception diode group 21, is converted to mesh for analog current signal
Current value is marked, target current value is digital current signal herein.
It handles chip 1 and receives target current value, compare the size of target current value and first threshold.If target current value is big
In first threshold, then electrical source circuit breaking switching is triggered, display component is powered off.
During a concrete implementation, definition electrical screen power supply smart controller is the control of electronic display power switch
System, processing chip use single-chip microcontroller, AT89S52 single-chip microcontroller especially can be used.AT89S52 is a kind of low-power consumption, high-performance CMOS
8 8-digit microcontrollers have 8K system programmable flash storage.Use Atmel company high-density nonvolatile memory technology
Manufacture, it is completely compatible with the instruction of industrial 80C51 product and pin.On a single chip, possess dexterous 8 bit CPUs and system can
Flash is programmed, so that AT89S52 is used widely in numerous embedded Control application systems.In the present embodiment, it will handle
Chip is set in control cabinet.
Diode in diode group uses 1N4007 diode.1N4007 is the Plastic Package that packing forms are DO-15
The general silicon materials rectifier diode of type.It is widely used in the rectification circuit of various AC to DC.It is unidirectionally led using diode
Electrically, can be the convert alternating current that direction alternating changes at the pulse direct current of single direction, forward voltage drop 0.6V is arrived
0.7V, electric current 1A, reverse withstand voltage 1000V.
In the present embodiment, display component selects electronic display, according to the model and rated current of electronic display, definition
Target current value.In the course of work of electronic display, current acquisition component is real-time by diode group and A/D conversion element
Collected current signal is converted into digital current signal, and is sent to processing chip as target current value, is handled
Chip compares the size of target current value and first threshold, if target current value is greater than first threshold, triggers electronic display
Electrical source circuit breaking switching, powered off.It should be noted that first threshold may be alternatively provided as some range, work as target current value
Greater than first threshold the upper limit when, to electronic display carry out power operation.When target current value is lower than the lower limit of first threshold
When, processing chip triggering reminiscences switch reminds maintenance personal to overhaul.
Optionally, alerting pattern includes: to default terminal sends prompting message, triggering alarm device is alarmed etc..
It is worth noting that electric current is greater than the first threshold upper limit value of setting when electronic display circuit partial short-circuit
When, but not up to short-circuiting device tripping current, processing chip trigger power switch, automatically cut off electronic display power supply.
Such design allows user to monitor the operating current of electronic display in real time on control cabinet, works as electronics
When display screen electric current is more than maximum current, cut-off switch is triggered, power down process is carried out to electronic display, solves the prior art
In, when local fault occurs for electronic display circuit, the problem of can not detecting in time.
Fig. 2 is another electrical screen power supply smart controller circuit structure schematic diagram provided by the embodiment of the utility model.Into
One step, referring to fig. 2, the electrical screen power supply smart controller of the present embodiment further include: temperature sensing assembly 4.Temperature detection group
Part 4 is separately connected with processing chip 1, display component 3, the real time temperature of real-time detection display component 3.
Wherein, temperature sensing assembly 4 includes temperature measuring unit 41, first resistor 42, second resistance 43.First resistor 41 and
Two resistance 42 is in parallel, connect with temperature measuring unit 41.It handles chip 1 and receives target temperature value detected by temperature sensing assembly 4,
Target temperature value is compared with second threshold.If target temperature value is greater than second threshold, electrical source circuit breaking switching is triggered, it is right
Display component 3 is powered off.
During a specific circuit is realized, temperature measuring unit and first resistor, second resistance form temperature detection group
Part, the temperature of real-time detection display component are sent to processing chip as target temperature.Processing chip compares target temperature
The size of value and second threshold triggers cut-off switch, breaks to display component when target temperature value is greater than second threshold
Electricity.It is worth noting that second threshold herein can be a range, and it is similar with above-mentioned first threshold, at first threshold
It has been be described in detail that, be not repeated herein.
For example, with reference to Fig. 2, temperature measuring unit is connect by JP3 and is looked into circuit, logical with first resistor R26, second resistance R27
It crosses single-chip microcontroller P1.5 pin to be connected with P1.7 pin, forms temperature sensing assembly, electronic display temperature is measured in real time.
The setting that second threshold is carried out according to the model of electronic display, when the real time temperature of electronic display is higher than the upper of second threshold
In limited time, power down process is carried out to electronic display.
Such design allows electronic display to work within the scope of predetermined temperature, at high temperature automatically
The problem of cutting off the power, solve electronic display high temperature in the prior art, can not detect in time, causing fire.
Further, the electrical screen power supply smart controller of the present embodiment further include: cooling component.Cool down component and processing
Chip 1 is connected, and when target temperature value, which is greater than third threshold value, is less than second threshold, triggering cooling component carries out display component 3
Cooling.Wherein, third threshold value is less than second threshold.
Specifically, cooling component includes: one of refrigeration equipments such as fan or air-conditioning or a variety of.The present embodiment is using empty
It is adjusted to cooling component.The size of third threshold value is defined according to the specifications and models of display screen, third threshold value is when display screen works
Preference temperature, when the real time temperature of temperature sensing assembly real-time detection to display screen is more than that third threshold value is lower than second threshold,
Air-conditioning equipment is triggered, is cooled down to display screen, until temperature is lower than third threshold value.It is more than second threshold when constant temperature increases
When, power switch is triggered, electronic display is powered off.
Such design continues the operating temperature of electronic display in default range, and user can be
The temperature and electric current for monitoring electronic display work when on control cabinet in fact are opened when the temperature of electronic display is more than setting value
Air-conditioning or the cooling of blower electron display screen are opened, if temperature continues to rise, temperature is more than the limiting temperature of setting, and control cabinet is just
Electronic display power supply is cut off, fire is prevented.
Further, referring to fig. 2, the electrical screen power supply smart controller of the present embodiment further include: light detection components 5.
Light detection components 5 are separately connected with processing chip 1, display component 3.It handles chip 1 and receives light detection components real-time detection
The target light intensity value of the display component arrived, and compare target light intensity value and the 4th threshold value, the size of the 5th threshold value.If
Target light intensity value triggers cut-off switch less than the 4th threshold value, opens display component；If target light intensity value is greater than the 5th
Threshold value triggers cut-off switch, closes display component；4th threshold value is less than the 5th threshold value.
For example, in the present embodiment, according to the model parameter of electronic display, the surface light for setting electronic display is bright
The 4th threshold value of minimum is spent, with the 5th threshold value of electronic message surface light luminance peak.Light detection components pass through monolithic
Machine P1.0, P1.1, P1.2 pin is connect with single-chip microcontroller, and the light intensity value that will test electronic display is strong as target light
Angle value is sent to single-chip microcontroller, and single-chip microcontroller is by judging target light intensity value and the 4th threshold value, the size of the 5th threshold value, to electricity
Sub- display screen power switch is closed and is opened.When target light intensity value is greater than five threshold values, illustrates that sky is bright, do not have
There is the necessity for opening electronic display, single-chip microcontroller triggers electronic display power switch, powered off.When target light intensity value
Less than the 4th threshold value, illustrating that sky is dark, electronic display can be such that target user clearly checks after unlatching, this
When, single-chip microcontroller triggers electronic display power switch, opens electronic display.The light detection components of the present embodiment include silicon two
Pole pipe.It is worth noting that silicon diode only enumerates light detection components herein, it is not to limit.
Such design so that the light of electronic message surface, greater than setting upper limit value when, electronic display is automatic
Power-off, light is lower than lower limit, and automatically turns on electronic display, plays energy-conserving action.
Further, referring to fig. 2, the electrical screen power supply smart controller of the present embodiment further include: rainwater detection components 6.
Rainwater detection components 6 are connected with processing chip 1, for detecting rainwater intensity.Chip is handled to receive detected by rain detector
Rainwater intensity value, and rainwater intensity value is compared with the 6th threshold value.When rainwater intensity value is greater than six threshold values, triggering
Electrical source circuit breaking switching closes display component power supply.
For example, rainwater detection components are chosen as rainwater detector, rainwater detector passes the rainwater intensity value detected
It is handed to single-chip microcontroller, single-chip microcontroller compares the size of rainwater intensity value and the 6th threshold value, when rainwater intensity value is greater than six threshold values, touching
Display screen electrical source circuit breaking switching is sent out, is powered off.
Such design, so that display screen can be according to the size of rainwater, selectivity closes display screen.When rainwater is heavy rain
When, display screen is closed, solves the problems, such as to generate fire incident because rainstorm weather is with thunder and lightning in the prior art, it is therefore prevented that thunder
It hits.
Further, referring to fig. 2, the electrical screen power supply smart controller of the present embodiment further include: communication component 7.Communication
Component is connected with processing chip 1.Communication component includes: WIFI component.
For example, display screen is connect by communication component with intelligent terminal, user can monitor electronics in real time by intelligent terminal
Screen data carries out parameter revision and power operation to it.Optionally, intelligent terminal can be mobile phone, computer or remote control etc..
Such design solves in the prior art, only so that the control to electronic display realizes remote control
The problem of electronic display is manipulated on the spot by control cabinet.
Further, referring to fig. 2, the electrical screen power supply smart controller of the present embodiment further include: button assembly 8, power supply
Component 9.Button assembly is connected by single-chip microcontroller pin P3.2, P3.5, P3.6, P3.7, P2.6, P2.7, P2.3 pin, is realized
Manual operation to display screen.Power Supply Assembly provides power supply by being connected with single-chip microcontroller VCC pin, for entire controller.
Such design, so that lasting to the power supply of display screen, stable.
Further, the electrical screen power supply smart controller of the present embodiment further includes Smoke Detection component, is detecting cigarette
When mist, electronic display power supply is cut off.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present invention,
It is not understood to indicate or imply relative importance.In addition, in the description of the present invention, unless otherwise indicated, it is " more
It is a " meaning refer at least two.
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In addition, can integrate in a processing module in each functional unit in each embodiment of the utility model,
It can be each unit to physically exist alone, can also be integrated in two or more units in a module.It is above-mentioned integrated
Module both can take the form of hardware realization, can also be realized in the form of software function module.The integrated mould
If block is realized and when sold or used as an independent product in the form of software function module, it also can store and counted at one
In calculation machine read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of electrical screen power supply smart controller, which is characterized in that the controller includes: processing chip, current acquisition group
Part, display component；
The current acquisition component is connected with the processing chip respectively with the display component；
The current acquisition component includes: diode group and A/D conversion element；The diode group and the A/D conversion element
It is connected；
The diode group includes: first diode, the second diode, third diode and the 4th diode；Described 1st
Pole pipe and the third Diode series form the first circuit；Second diode and the 4th Diode series, composition
Second circuit；First circuit is in parallel with the second circuit；
The A/D conversion element receives the collected analog current signal of diode group, and by the analog current signal
Be converted to target current value；
The processing chip receives the target current value, the size of the target current value and first threshold；If described
Target current value is greater than first threshold, then triggers cut-off switch, controls the display component power-off.
2. controller according to claim 1, which is characterized in that the controller further include: temperature sensing assembly, it is described
Temperature sensing assembly is separately connected with the processing chip, the display component；The temperature sensing assembly detects the display
The real time temperature of component；
The temperature sensing assembly includes temperature element, first resistor, second resistance；The first resistor and the second resistance
Parallel connection is connect with the temperature element；The processing chip receives target temperature value detected by the temperature sensing assembly,
And the target temperature value is compared with second threshold；If the target temperature value is greater than the second threshold, trigger
The cut-off switch controls the display component power-off.
3. controller according to claim 2, which is characterized in that the controller further includes cooling component；The cooling
Component is connected with the processing chip；When the target temperature value, which is greater than third threshold value, is less than the second threshold, institute is triggered
Cooling component is stated, is cooled down to the display component；The third threshold value is less than the second threshold.
4. controller according to claim 1, which is characterized in that the controller further includes light detection components；It is described
Light detection is separately connected with the processing chip, the display component；The processing chip receives the light detection components
The target light intensity value for the display component that real-time detection arrives, and the target light intensity value and the 4th threshold value,
The size of 5th threshold value；
If the target light intensity value is less than the 4th threshold value, the cut-off switch is triggered, the display component is opened；If
The target light intensity value is greater than the 5th threshold value, triggers the cut-off switch, closes the display component；Described 4th
Threshold value is less than the 5th threshold value.
5. controller according to claim 4, which is characterized in that the controller light detection components include: two pole of silicon
Pipe.
6. controller according to claim 1, which is characterized in that the controller further includes rainwater detection components；It is described
Rainwater detection components are connected with the processing chip, detect rainwater intensity；The processing chip receives the rainwater intensity value, and
The rainwater intensity value is compared with the 6th threshold value；If the rainwater intensity value is greater than the 6th threshold value, described in triggering
Cut-off switch closes the display component power supply.
7. controller according to claim 1, which is characterized in that the controller further includes communication component；The communication
Component is connected with the processing chip.
8. controller according to claim 7, which is characterized in that the communication component includes WIFI component.
9. controller according to claim 1, which is characterized in that the processing chip includes AT89S52 single-chip microcontroller.
10. controller according to claim 1, which is characterized in that the diode assembly includes 1N4007 diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149868.6U CN209358232U (en) | 2019-01-28 | 2019-01-28 | Electrical screen power supply smart controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149868.6U CN209358232U (en) | 2019-01-28 | 2019-01-28 | Electrical screen power supply smart controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209358232U true CN209358232U (en) | 2019-09-06 |
Family
ID=67803351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920149868.6U Active CN209358232U (en) | 2019-01-28 | 2019-01-28 | Electrical screen power supply smart controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209358232U (en) |
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2019
- 2019-01-28 CN CN201920149868.6U patent/CN209358232U/en active Active
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