CN106532326A - HDMI cable protection system and method - Google Patents
HDMI cable protection system and method Download PDFInfo
- Publication number
- CN106532326A CN106532326A CN201610832635.7A CN201610832635A CN106532326A CN 106532326 A CN106532326 A CN 106532326A CN 201610832635 A CN201610832635 A CN 201610832635A CN 106532326 A CN106532326 A CN 106532326A
- Authority
- CN
- China
- Prior art keywords
- hdmi cable
- temperature
- sensitive material
- user
- hdmi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/465—Identification means, e.g. labels, tags, markings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/717—Structural association with built-in electrical component with built-in light source
- H01R13/7175—Light emitting diodes (LEDs)
Abstract
The invention relates to an HDMI cable protection system and method. An insulating sleeve is used for wrapping an exposed metal part of an HDMI interface, and enables an exposed metal to be isolated from the air. Moreover, the interior of the insulating sleeve is provided with a temperature sensitive material in a doped manner, and the temperature sensitive material can change the color to give a prompt to a user when a temperature exceeds a safety value. Meanwhile, a current detection circuit detects the size of a current passing through an HDMI cable in real time, cuts off the power supply of the HDMI cable when the current exceeds a safety range, and gives a prompt to the user to remind the user of observing whether the temperature sensitive material changes the color or not, thereby enabling the user to be able to timely find the potential safety hazards, effectively prevents the problem of an overlarge current from causing the burning of the HDMI cable and other damages, achieving the effective shielding of an interference signal, enabling an output audio/video signal to be normal, and guaranteeing the transmission quality of the output audio/video signal.
Description
Technical field
The present invention relates to digital TV field, more particularly to a kind of HDMI cable protection system and method.
Background technology
The quick popularization of Set Top Box allows more users receive various TV programme in time, extreme enrichment people
Free life.
Set Top Box operationally needs to carry out audio video transmission using HDNI cables, has the HDMI cable meeting of electric signal transmission
It is on fire because causing the problems such as electric current is excessive, or even burn or possibility that other damage, and user can not have found in time, affect
Using and there is very big potential safety hazard.
Meanwhile, Set Top Box has very high requirement for the transmission quality of audio-video signal, and HDMI cable is on connection machine top
During box HDMI can not fully-inserted Set Top Box interface, often expose a part of metal, directly it is exposed in atmosphere
Metal easily receive interference signal in surrounding environment, interference signal can be by the sound of exposed metal Coupling to HDMI cable
In vision signal so that the audio-video signal of output can not reach normal condition, the strong influence transmission of audio-video signal
Quality, affects user's viewing.
The content of the invention
In view of this, it is necessary to be easily damaged for above-mentioned HDMI cable and can not find in time, and insert Set Top Box
Interface meeting bare metal disturbs the problem of audio-video signal, there is provided a kind of HDMI cable protection system and method.
A kind of HDMI cable protection system that the present invention is provided, including：Insulation sleeve, and current detection circuit；The insulation
The bare metal part of HDMI is set in, bare metal is coated and air insulated completely, mixed inside the insulation sleeve
Miscellaneous to have temperature-sensitive material, the temperature-sensitive material discoloration when the insulation sleeving temperature exceedes safety value reminds user to carry out
Check and change that the size of electric current in the current detection circuit real-time detection HDMI cable is cut when electric current exceeds safe range
The power supply of disconnected HDMI cable is simultaneously reminded to user, points out user to observe whether the temperature-sensitive material changes colour.
In one of which embodiment, the insulation sleeve is transparent insulation set, and the temperature-sensitive material is in temperature
Turn yellow more than during safety value.
In one of which embodiment, the current detection circuit includes current detecting chip, first resistor, three poles
Pipe, second resistance and LED；Detect the electric current of HDMI cable, output end connection described first in described current detecting chip one end
Resistance one end, the first resistor other end connect the base stage of the triode, and the colelctor electrode connection power supply of the triode is sent out
Emitter-base bandgap grading connection LED one end, the other end ground connection of the LED.
A kind of HDMI cable guard method that the present invention is provided, comprises the steps：
S10：Using insulation sleeve, the bare metal part of HDMI is set in, bare metal is coated and air completely
Isolation, doped with temperature-sensitive material inside the insulation sleeve, when the insulation sleeving temperature exceedes safety value, the temperature is quick
Sense material discoloration reminds user to carry out inspection replacing；
S20：Current detection circuit is set, and the size of electric current in real-time detection HDMI cable exceeds safe range in electric current
When cut off HDMI cable power supply and user is reminded, point out user observation temperature-sensitive material whether change colour
In one of which embodiment, the insulation sleeve adopts transparent insulation set, and the temperature-sensitive material is in temperature
Degree turns yellow more than during safety value.
In one of which embodiment, the current detection circuit includes current detecting chip, first resistor, three poles
Pipe, second resistance and LED；Detect the electric current of HDMI cable, output end connection described first in described current detecting chip one end
Resistance one end, the first resistor other end connect the base stage of the triode, and the colelctor electrode connection power supply of the triode is sent out
Emitter-base bandgap grading connection LED one end, the other end ground connection of the LED.
HDMI cable protection system of the present invention and method, are coated on the bare metal part of HDMI using insulation sleeve,
By in bare metal and air insulated, and insulation sleeve, doped with temperature-sensitive material, change colour energy when temperature exceedes safety value
It is enough that user is reminded, at the same in current detection circuit real-time detection HDMI cable electric current size, in electric current beyond safety
The power supply of HDMI cable is cut off during scope and user is reminded, point out whether user's observation temperature-sensitive material changes colour, from
And allow users to find potential safety hazard in time, effectively prevent because causing the problems such as electric current is excessive that HDMI cable is on fire, burn or
Person other possibility for damaging, and effectively shield interference signal so that the audio-video signal of output is normal condition, it is ensured that
The transmission quality of audio-video signal.
Description of the drawings
Fig. 1 is the structure chart of the HDMI cable protection system in one embodiment；
Fig. 2 is the structure chart of the current detection circuit in one embodiment；
Fig. 3 is the schematic diagram of the HDMI cable guard method in one embodiment.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Fig. 1 is the structure chart of the HDMI cable protection system in one embodiment, as shown in figure 1, the system includes：Insulation
Set 100 and current detection circuit 200.Insulation sleeve 100 is set in the bare metal part of HDMI, and bare metal is wrapped completely
Cover and air insulated.Doped with temperature-sensitive material inside insulation sleeve 100, the temperature when 100 temperature of insulation sleeve exceedes safety value
Sensitive material discoloration reminds user to carry out inspection replacing.The size of electric current in 200 real-time detection HDMI cable of current detection circuit,
The power supply of HDMI cable is cut off when electric current exceeds safe range and user is reminded, point out user observation temperature sensitivity material
Whether material changes colour.
Insulation sleeve 100 be transparent insulation set, temperature-sensitive material temperature exceed safety value when turn yellow.
As shown in Fig. 2 current detection circuit 200 include current detecting chip IC, first resistor R1, triode Q1, second
Resistance R2 and LED (light emitting diode).Detect the electric current of HDMI cable, output end connection first in current detecting chip IC one end
Resistance R1 one end, base stage B of first resistor R1 other end connecting triode Q1.The colelctor electrode C connection power supply VCC of triode Q1,
Emitter E connection LED one end, the other end ground connection of LED.
In current detection circuit 200, triode Q1 is used as switch triode, first resistor R1 one end connection current detecting core
With this, the output end of piece IC, controls whether triode Q1 turns on.When the electric current of HDMI cable is normal, when current detecting chip IC
Output end exports low level, and triode Q1 is not turned on, and LED does not light.And work as current detecting chip IC and detect HDMI cable
When electric current is excessive, output end output high level, so as to triode Q1 is turned on, LED lights, and user is reminded.
The HDMI cable protection system, is coated on the bare metal part of HDMI using insulation sleeve, by bare metal
With in air insulated, and insulation sleeve, doped with temperature-sensitive material, the discoloration when temperature exceedes safety value can be entered to user
Row remind, while in current detection circuit real-time detection HDMI cable electric current size, electric current exceed safe range when cut off
The power supply of HDMI cable is simultaneously reminded to user, points out whether user's observation temperature-sensitive material changes colour, so as to enable users to
It is enough to find potential safety hazard in time, effectively prevent because causing the problems such as electric current is excessive that HDMI cable is on fire, burning or other damages
Possibility, and effectively shield interference signal so that the audio-video signal of output is normal condition, it is ensured that audio-video signal
Transmission quality.
Meanwhile, the present invention also provides a kind of HDMI cable guard method, as shown in figure 3, the method comprises the steps：
S10：Using insulation sleeve, the bare metal part of HDMI is set in, bare metal is coated and air completely
Isolation, doped with temperature-sensitive material inside insulation sleeve, the temperature-sensitive material discoloration when the sleeving temperature that insulate exceedes safety value is carried
Awake user carries out inspection replacing；
S20：Current detection circuit is set, and the size of electric current in real-time detection HDMI cable exceeds safe range in electric current
When cut off HDMI cable power supply and user is reminded, point out user observation temperature-sensitive material whether change colour.
Insulation sleeve adopts transparent insulation set, temperature-sensitive material to turn yellow when temperature exceedes safety value.
Current detection circuit includes current detecting chip IC, first resistor R1, triode Q1, second resistance R2 and LED
(light emitting diode).The electric current of HDMI cable is detected in current detecting chip IC one end, and output end connects first resistor R1 one end, the
Base stage B of one resistance R1 other end connecting triode Q1.The colelctor electrode C connection power supply VCC of triode Q1, emitter E connection LED
One end, the other end ground connection of LED.
In current detection circuit, triode Q1 is used as switch triode, first resistor R1 one end connection current detecting chip IC
Output end, control whether triode Q1 turns on this.When the electric current of HDMI cable is normal, when the output of current detecting chip IC
End output low level, triode Q1 are not turned on, and LED does not light.And work as the electric current that current detecting chip IC detects HDMI cable
When excessive, output end output high level, so as to triode Q1 is turned on, LED lights, and user is reminded.
The HDMI cable protection system and method, are coated on the bare metal part of HDMI using insulation sleeve, will be naked
Doped with temperature-sensitive material in dew metal and air insulated, and insulation sleeve, when temperature exceedes safety value, discoloration can be right
User is reminded, at the same in current detection circuit real-time detection HDMI cable electric current size, electric current exceed safe range
When cut off HDMI cable power supply and user is reminded, point out user observation temperature-sensitive material whether change colour so that
User can have found potential safety hazard in time, effectively prevent because causing the problems such as electric current is excessive that HDMI cable is on fire, burning or which
The possibility that he damages, and effectively shield interference signal so that the audio-video signal of output is normal condition, it is ensured that sound is regarded
The transmission quality of frequency signal.
HDMI cable protection system of the present invention and method, are coated on the bare metal part of HDMI using insulation sleeve,
By in bare metal and air insulated, and insulation sleeve, doped with temperature-sensitive material, change colour energy when temperature exceedes safety value
It is enough that user is reminded, at the same in current detection circuit real-time detection HDMI cable electric current size, in electric current beyond safety
The power supply of HDMI cable is cut off during scope and user is reminded, point out whether user's observation temperature-sensitive material changes colour, from
And allow users to find potential safety hazard in time, effectively prevent because causing the problems such as electric current is excessive that HDMI cable is on fire, burn or
Person other possibility for damaging, and effectively shield interference signal so that the audio-video signal of output is normal condition, it is ensured that
The transmission quality of audio-video signal.
These are only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Any modification, equivalent and improvement for being made within principle etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of HDMI cable protection system, it is characterised in that include：Insulation sleeve, and current detection circuit；The insulation sleeve set
Be located at the bare metal part of HDMI, bare metal coated and air insulated completely, inside the insulation sleeve doped with
Temperature-sensitive material, the temperature-sensitive material discoloration when the insulation sleeving temperature exceedes safety value remind user to be checked
Change, the size of electric current in the current detection circuit real-time detection HDMI cable, cut off when electric current exceeds safe range
The power supply of HDMI cable is simultaneously reminded to user, points out user to observe whether the temperature-sensitive material changes colour.
2. HDMI cable protection system according to claim 1, it is characterised in that the insulation sleeve is transparent insulation set,
The temperature-sensitive material turns yellow when temperature exceedes safety value.
3. HDMI cable protection system according to claim 1, it is characterised in that the current detection circuit includes electric current
Detection chip, first resistor, triode, second resistance and LED；Detect the electricity of HDMI cable in described current detecting chip one end
Stream, output end connect described first resistor one end, and the first resistor other end connects the base stage of the triode, three pole
The colelctor electrode connection power supply of pipe, emitter stage connection LED one end, the other end ground connection of the LED.
4. a kind of HDMI cable guard method, it is characterised in that comprise the steps：
S10：Using insulation sleeve, the bare metal part of HDMI is set in, bare metal is coated and air insulated completely,
Doped with temperature-sensitive material inside the insulation sleeve, the temperature-sensitive material when the insulation sleeving temperature exceedes safety value
Discoloration reminds user to carry out inspection replacing；
S20：Current detection circuit is set, and the size of electric current in real-time detection HDMI cable is cut when electric current exceeds safe range
The power supply of disconnected HDMI cable is simultaneously reminded to user, points out whether user's observation temperature-sensitive material changes colour.
5. HDMI cable guard method according to claim 4, it is characterised in that the insulation sleeve adopts transparent insulation
Set, the temperature-sensitive material turn yellow when temperature exceedes safety value.
6. HDMI cable guard method according to claim 4, it is characterised in that the current detection circuit includes electric current
Detection chip, first resistor, triode, second resistance and LED；Detect the electricity of HDMI cable in described current detecting chip one end
Stream, output end connect described first resistor one end, and the first resistor other end connects the base stage of the triode, three pole
The colelctor electrode connection power supply of pipe, emitter stage connection LED one end, the other end ground connection of the LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832635.7A CN106532326B (en) | 2016-09-20 | 2016-09-20 | A kind of HDMI cable protection system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832635.7A CN106532326B (en) | 2016-09-20 | 2016-09-20 | A kind of HDMI cable protection system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106532326A true CN106532326A (en) | 2017-03-22 |
| CN106532326B CN106532326B (en) | 2019-02-15 |
Family
ID=58343988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610832635.7A Active CN106532326B (en) | 2016-09-20 | 2016-09-20 | A kind of HDMI cable protection system and method |
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| Country | Link |
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| CN (1) | CN106532326B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080161A1 (en) * | 2017-10-27 | 2019-05-02 | 深圳市和宏实业股份有限公司 | Thermochromic connector, novel thermochromic data line and method for manufacturing thermochromic material |
| CN110401075A (en) * | 2018-04-25 | 2019-11-01 | 矢崎总业株式会社 | Charge connector |
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| CN103728036A (en) * | 2013-11-15 | 2014-04-16 | 成都市宏山科技有限公司 | Bus temperature rise detection device with double-warning function |
| CN204156248U (en) * | 2014-09-01 | 2015-02-11 | 珠海格力电器股份有限公司 | Power line |
| CN204257257U (en) * | 2014-12-23 | 2015-04-08 | 河南金博电缆有限公司 | A kind of electric wire with temperature-warning function |
| CN205303792U (en) * | 2016-01-19 | 2016-06-08 | 黄品超 | Electrical connector of area warning sheath |
| CN105845251A (en) * | 2016-04-29 | 2016-08-10 | 王红娟 | Charge wire |
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2016
- 2016-09-20 CN CN201610832635.7A patent/CN106532326B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728036A (en) * | 2013-11-15 | 2014-04-16 | 成都市宏山科技有限公司 | Bus temperature rise detection device with double-warning function |
| CN204156248U (en) * | 2014-09-01 | 2015-02-11 | 珠海格力电器股份有限公司 | Power line |
| CN204257257U (en) * | 2014-12-23 | 2015-04-08 | 河南金博电缆有限公司 | A kind of electric wire with temperature-warning function |
| CN205303792U (en) * | 2016-01-19 | 2016-06-08 | 黄品超 | Electrical connector of area warning sheath |
| CN105845251A (en) * | 2016-04-29 | 2016-08-10 | 王红娟 | Charge wire |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080161A1 (en) * | 2017-10-27 | 2019-05-02 | 深圳市和宏实业股份有限公司 | Thermochromic connector, novel thermochromic data line and method for manufacturing thermochromic material |
| CN110401075A (en) * | 2018-04-25 | 2019-11-01 | 矢崎总业株式会社 | Charge connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106532326B (en) | 2019-02-15 |
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