CN110416849A - A kind of data line with temperature overheat protector function - Google Patents
A kind of data line with temperature overheat protector function Download PDFInfo
- Publication number
- CN110416849A CN110416849A CN201910677867.3A CN201910677867A CN110416849A CN 110416849 A CN110416849 A CN 110416849A CN 201910677867 A CN201910677867 A CN 201910677867A CN 110416849 A CN110416849 A CN 110416849A
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- CN
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- Prior art keywords
- stitch
- temperature
- resistance
- connector
- connect
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
Abstract
The present invention provides a kind of data lines with temperature overheat protector function, including USB3.0 connector；USB3.0 connector has the first stitch, the second stitch, third stitch and the 4th stitch being arranged side by side, and is also in series with IC chip, first resistor and temperature acquisition chip on the 4th stitch；And temperature acquisition chip is used to acquire the operating temperature of USB3.0 connector and exports induced voltage to IC chip according to the operating temperature；IC chip is used to compare the operating temperature and preset temperature threshold of USB3.0 connector, when the operating temperature is more than the preset temperature threshold IC chip auto power off.The present invention uses small in size, the sensitive temperature acquisition chip of temperature-sensitive, when normal use, operating temperature it is excessively high can auto power off, effective protection equipment is not damaged, and USB3.0 connector is made to stop power supply.
Description
Technical field
The present invention relates to data line fields, specifically, being related to a kind of data line with temperature overheat protector function.
Background technique
Existing data line commonly has the function of charging and data transmission, since existing data line does not have overheat protector
Function influences data transmission and damage data line and its connection when the operating temperature of charging equipment and data line is excessively high
Equipment when especially user leaves during the charging process or when mobile phone is placed on side charging by nighttime users sleep, and is pacified
Full accident will can not be estimated.
Summary of the invention
In place of solving above-mentioned the deficiencies in the prior art, the purpose of the present invention is to provide one kind, and there is temperature excess temperature to protect
The data line of protective function, to overcome defect in the prior art.
To achieve the goals above, the present invention provides a kind of data line with temperature overheat protector function, the numbers
It include the USB3.0 connector and TYPE-C connector for being connected to data line both ends according to line；USB3.0 connector includes side by side
The first stitch, the second stitch, third stitch and the 4th stitch of arrangement, the first stitch, the second stitch, third stitch and the 4th needle
Foot is connect with red wiring, white wiring, green wiring and black wiring respectively by the power management chip on PCBA, and the 4th
IC chip, first resistor and temperature acquisition chip are also in series on stitch；And temperature acquisition chip is for acquiring USB3.0 connection
The operating temperature of device simultaneously exports induced voltage to IC chip according to the operating temperature；IC chip is for comparing USB3.0 connector
Operating temperature and preset temperature threshold, when the operating temperature be more than the preset temperature threshold IC chip disconnect electricity automatically
Source.
By using above-mentioned technical proposal, a temperature acquisition chip is placed in the connector of data line output terminal, when
In work temperature be more than preset temperature threshold temperature can auto power off, so that output end is stopped power supply, normal use can have
Effect protects equipment not to be damaged.
As the further explanation to the data line of the present invention with temperature overheat protector function, it is preferable that IC
Chip includes first diode, triode, second resistance, capacitor, 3rd resistor, the 4th resistance, voltage comparator, the two or two pole
Pipe and the 5th resistance, wherein first diode anode connect with the first stitch, the cathode of first diode respectively with triode
Emitter connected with one end of 3rd resistor；One end of the collector of triode and second resistance connects, second resistance it is another
One end is connect with the VCC pin of one end of capacitor and power management chip respectively, and the other end of capacitor is connect with black wiring, the
The other end of three resistance is connect with the VCC pin of one end of the 4th resistance and temperature acquisition chip respectively, the 4th resistance it is another
End is connect with the power input of voltage comparator；The OUT pin of temperature acquisition chip and one end of first resistor connect, and first
The other end of resistance and the end in the same direction of voltage comparator connect, and the backward end of voltage comparator and the REF of power management chip draw
Foot connection, the positive of the output end of voltage comparator and the second diode connect, the cathode of the second diode and the 5th resistance
One end connection, the other end of the 5th resistance and the base stage of triode connect, and the ground terminal of voltage comparator is connect with black wiring.
By using above-mentioned technical proposal, realize when the operating temperature of temperature acquisition chip acquisition is excessively high, IC chip is disconnected
The connection of switch power supply managing chip and USB3.0 connector makes USB3.0 connector stop power supply.
For the further explanation to the data line of the present invention with temperature overheat protector function, it is preferable that first
Stitch passes through red wiring and connect with the A4 stitch of TYPE-C connector, A9 stitch, B4 stitch and B9 stitch, and the second stitch passes through
White wiring is connect with the A7 stitch of TYPE-C connector and B7 stitch, and third stitch passes through green wiring and TYPE-C connector
A6 stitch connected with B6 stitch, the 4th stitch passes through A1 stitch, A12 stitch, the B1 needle of black wiring and TYPE-C connector
Foot is connected with B12 stitch.
As the further explanation to the data line of the present invention with temperature overheat protector function, it is preferable that A4
It is connected with the 6th resistance on stitch or A9 stitch, the 7th resistance, the 6th resistance and the 7th electricity are connected on B4 stitch or B9 stitch
The resistance value of resistance is 56K Ω.
By using above-mentioned technical proposal, realizes data line and support fast charge function.
As the further explanation to the data line of the present invention with temperature overheat protector function, it is preferable that the
One stitch, the second stitch, third stitch and the 4th stitch are embedded in isolation seat upper surface, and temperature acquisition chip is embedded in isolation seat
Front side.
By using above-mentioned technical proposal, realizes temperature acquisition chip detection USB3.0 connector and connect to power supply place
Temperature improves the accuracy of detection.
As the further explanation to the data line of the present invention with temperature overheat protector function, it is preferable that
The operating temperature upper limit of USB3.0 connector is 70 degree.
As the further explanation to the data line of the present invention with temperature overheat protector function, it is preferable that temperature
Spend the model ADS7841 of acquisition chip.
Beneficial effects of the present invention are as follows: the present invention places a temperature acquisition core in the connector of data line output terminal
Piece, when temperature is more than 70 degree in work, temperature acquisition chip collect the temperature more than 70 degree can auto power off, make to export
End stops power supply, and temperature acquisition chip volume is small, and temperature-sensitive is sensitive, and normal use can effectively protect equipment and is not damaged, for a long time
Using can automatic protection, be not necessarily to staff on duty, the normal function of product will not be influenced because of environmental change.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the data line with temperature overheat protector function of the invention；
Fig. 2 is the circuit diagram of IC chip of the invention.
Specific embodiment
It is attached now in conjunction with appended preferred embodiment in order to further appreciate that structure of the invention, feature and other purposes
With attached drawing, detailed description are as follows, this attached drawing embodiment described is only used to illustrate the technical scheme of the present invention, and non-limiting
Invention.
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of the data line with temperature overheat protector function of the invention；It is a kind of
Data line with temperature overheat protector function, USB3.0 connector P1 and TYPE-C including being connected to data line both ends
Connector P2；USB3.0 connector P1 includes the first stitch 1 being arranged side by side, the second stitch 2, third stitch 3 and the 4th stitch
4, the first stitch 1, the second stitch 2, third stitch 3 and the 4th stitch 4 by the power management chip 8 on PCBA respectively with red
Wiring, white wiring, green wiring are connected with black wiring, and the first stitch 1 passes through red wiring and TYPE-C connector P2's
A4 stitch, A9 stitch, B4 stitch are connected with B9 stitch, and the second stitch 2 passes through the A7 needle of white wiring and TYPE-C connector P2
Foot is connected with B7 stitch, and third stitch 3 passes through green wiring and connect with the A6 stitch of TYPE-C connector P2 and B6 stitch, and the 4th
Stitch 4 is connect by black wiring with the A1 stitch of TYPE-C connector P2, A12 stitch, B1 stitch and B12 stitch.
Wherein, IC chip 5, first resistor 6 and temperature acquisition chip 7 are also in series on the 4th stitch 4；First stitch 1,
Two stitch 2, third stitch 3 and the 4th stitch 4 are embedded in 9 upper surface of isolation seat, and temperature acquisition chip 7 is embedded in isolation seat 9
Front side.Temperature acquisition chip 7, which is used to acquire the operating temperature of USB3.0 connector P1 and is exported according to the operating temperature, to be incuded
Voltage is to IC chip 5；IC chip 5 is used to compare the operating temperature and preset temperature threshold of USB3.0 connector P1, when the work
Make temperature more than 5 auto power off of preset temperature threshold IC chip.The operating temperature upper limit of USB3.0 connector P1 is
70 degree, i.e., temperature acquisition chip 7 collect the temperature more than 70 degree can auto power off, make output end stop power supply, normally
It is not damaged using equipment is can effectively protect.The chip of model ADS7841 can be selected in temperature acquisition chip 7, can withstand 10
The service life of ten thousand repeated works.
In addition, being connected with the 6th resistance on A4 stitch or A9 stitch, the 7th resistance is connected on B4 stitch or B9 stitch, the
The resistance value of six resistance and the 7th resistance is 56K Ω, so that data line has the function of fast charge.
Fig. 2 is please referred to, Fig. 2 is the circuit diagram of IC chip of the invention；IC chip 5 includes first diode 51, three
Pole pipe 52, second resistance 53, capacitor 54,3rd resistor 55, the 4th resistance 56, voltage comparator 57, the second diode 58 and
Five resistance 59, wherein first diode 51 anode connect with the first stitch 1, the cathode of first diode 51 respectively with three poles
The emitter of pipe 52 is connected with one end of 3rd resistor 55；The collector of triode 52 is connect with one end of second resistance 53, the
The other end of two resistance 53 is connect with the VCC pin of one end of capacitor 54 and power management chip 8 respectively, the other end of capacitor 54
It is connect with black wiring, VCC of the other end of 3rd resistor 55 respectively with one end of the 4th resistance 56 and temperature acquisition chip 7 draws
Foot connection, the other end of the 4th resistance 56 are connect with the power input of voltage comparator 57；The OUT of temperature acquisition chip 7 draws
Foot is connect with one end of first resistor 6, and the other end of first resistor 6 and the end in the same direction of voltage comparator 57 connect, and voltage compares
The backward end of device 57 is connect with the REF pin of power management chip 8, the output end of voltage comparator 57 and the second diode 58
Anode connection, the cathode of the second diode 58 are connect with one end of the 5th resistance 59, the other end and triode of the 5th resistance 59
52 base stage connection, the ground terminal of voltage comparator 57 are connect with black wiring.
Data line powers on, and first diode 51 is connected, and triode 52 is connected, by the rectification of second resistance 53, electricity
Hold 54 both ends to power with voltage for power management chip 8, while the rectification Jing Guo 3rd resistor 55, is also voltage comparator
57 and temperature acquisition chip 7 power, temperature acquisition chip 7 in real time acquisition USB3.0 connector P1 operating temperature simultaneously export induction
Voltage to the end in the same direction of voltage comparator 57, the end in the same direction of voltage comparator 57 is connect with the REF pin of power management chip 8,
So that voltage comparator 57 compares the operating temperature of USB3.0 connector P1 and the size of preset temperature threshold, preset temperature threshold
It is 70 degree, when the operating temperature of USB3.0 connector P1 is more than 70 degree, the second diode 58 conducting, the base stage of triode 52 is obtained
Electricity disconnects triode 52 automatically, and power management chip 8 disconnects power supply, stops SB3.0 connector P1 to power management core
Piece 8 is powered, and when the operating temperature of USB3.0 connector P1 is less than 70 degree, the second diode 58 is not turned on, at triode 52
In on state, SB3.0 connector P1 powers to power management chip 8, can avoid damaging because of operating temperature height data line and
The equipment of connection.
It is to be understood that foregoing invention content and specific embodiment are intended to prove technical solution provided by the present invention
Practical application should not be construed as limiting the scope of the present invention.Those skilled in the art are in spirit and principles of the present invention
It is interior, when can various modifications may be made, equivalent replacement or improvement.Protection scope of the present invention is subject to the appended claims.
Claims (7)
1. a kind of data line with temperature overheat protector function, the data line includes being connected to data line both ends
USB3.0 connector (P1) and TYPE-C connector (P2)；It is characterized in that,
USB3.0 connector (P1) includes the first stitch (1) being arranged side by side, the second stitch (2), third stitch (3) and the 4th needle
Foot (4), the first stitch (1), the second stitch (2), third stitch (3) and the 4th stitch (4) pass through the power management core on PCBA
Piece (8) is connect with red wiring, white wiring, green wiring and black wiring respectively, is also in series with IC core on the 4th stitch (4)
Piece (5), first resistor (6) and temperature acquisition chip (7)；
And temperature acquisition chip (7) is used to acquire the operating temperature of USB3.0 connector (P1) and is exported according to the operating temperature
Induced voltage is to IC chip (5)；IC chip (5) is used to compare the operating temperature and preset temperature threshold of USB3.0 connector (P1)
Value, when the operating temperature is more than preset temperature threshold IC chip (5) auto power off.
2. as described in claim 1 with the data line of temperature overheat protector function, which is characterized in that IC chip (5) includes
First diode (51), triode (52), second resistance (53), capacitor (54), 3rd resistor (55), the 4th resistance (56), electricity
Press comparator (57), the second diode (58) and the 5th resistance (59), wherein
First diode (51) anode connect with the first stitch (1), the cathode of first diode (51) respectively with triode
(52) emitter is connected with the one end of 3rd resistor (55)；
The collector of triode (52) is connect with one end of second resistance (53), the other end of second resistance (53) respectively with capacitor
(54) one end is connected with the VCC pin of power management chip (8), and the other end of capacitor (54) is connect with black wiring,
The other end of 3rd resistor (55) connects with the VCC pin of one end of the 4th resistance (56) and temperature acquisition chip (7) respectively
It connects, the other end of the 4th resistance (56) is connect with the power input of voltage comparator (57)；The OUT of temperature acquisition chip (7)
Pin is connect with the one end of first resistor (6), and the other end of first resistor (6) and the end in the same direction of voltage comparator (57) connect,
The backward end of voltage comparator (57) is connect with the REF pin of power management chip (8), the output end of voltage comparator (57) with
The anode connection of second diode (58), the cathode of the second diode (58) are connect with one end of the 5th resistance (59), the 5th electricity
The other end of resistance (59) is connect with the base stage of triode (52), and the ground terminal of voltage comparator (57) is connect with black wiring.
3. as claimed in claim 2 with the data line of temperature overheat protector function, which is characterized in that the first stitch (1) is logical
It crosses red wiring to connect with the A4 stitch of TYPE-C connector (P2), A9 stitch, B4 stitch and B9 stitch, the second stitch (2) is logical
White wiring is crossed connect with the A7 stitch of TYPE-C connector (P2) and B7 stitch, third stitch (3) by green wiring and
The A6 stitch of TYPE-C connector (P2) is connected with B6 stitch, and the 4th stitch (4) passes through black wiring and TYPE-C connector
(P2) A1 stitch, A12 stitch, B1 stitch is connected with B12 stitch.
4. as claimed in claim 3 with the data line of temperature overheat protector function, which is characterized in that A4 stitch or A9 stitch
On be connected with the 6th resistance, be connected with the 7th resistance on B4 stitch or B9 stitch, the resistance value of the 6th resistance and the 7th resistance is 56K
Ω。
5. as described in claim 1 with the data line of temperature overheat protector function, which is characterized in that the first stitch (1), the
Two stitch (2), third stitch (3) and the 4th stitch (4) are embedded in isolation seat (9) upper surface, and temperature acquisition chip (7) is embedded
The front side of isolation seat (9).
6. as described in claim 1 with the data line of temperature overheat protector function, which is characterized in that USB3.0 connector
(P1) the operating temperature upper limit is 70 degree.
7. as described in claim 1 with the data line of temperature overheat protector function, which is characterized in that temperature acquisition chip
(7) model ADS7841.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677867.3A CN110416849B (en) | 2019-07-25 | 2019-07-25 | Data line with temperature overtemperature protection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677867.3A CN110416849B (en) | 2019-07-25 | 2019-07-25 | Data line with temperature overtemperature protection function |
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| Publication Number | Publication Date |
|---|---|
| CN110416849A true CN110416849A (en) | 2019-11-05 |
| CN110416849B CN110416849B (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910677867.3A Active CN110416849B (en) | 2019-07-25 | 2019-07-25 | Data line with temperature overtemperature protection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112685263A (en) * | 2021-02-01 | 2021-04-20 | 盐城国投中科新能源科技有限公司 | Rail transit BMS temperature polling collection technology |
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| CN105390888A (en) * | 2014-08-22 | 2016-03-09 | 三美电机株式会社 | Cable with plug, control circuit and substrate |
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| Publication number | Publication date |
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| CN110416849B (en) | 2021-11-02 |
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