CN108429092B - A kind of interface unit - Google Patents

A kind of interface unit Download PDF

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Publication number
CN108429092B
CN108429092B CN201810217260.2A CN201810217260A CN108429092B CN 108429092 B CN108429092 B CN 108429092B CN 201810217260 A CN201810217260 A CN 201810217260A CN 108429092 B CN108429092 B CN 108429092B
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pin
connector
thermistor
male
female
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CN108429092A (en
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肖启华
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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    • 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
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The application provides a connector, on the basis including the connector mainboard, still add with the thermistor that the connector mainboard is connected, this thermistor is used for detecting the temperature of connector mainboard, and when the temperature of connector mainboard was too warm, trigger the outage of connector mainboard. By applying the scheme, when the temperature of the connector mainboard is over-temperature, the thermistor can be triggered to cut off the power of the connector mainboard, so that the phenomenon that the connector mainboard is burnt due to overheating can be effectively avoided, and the problem of overheating protection of connectors such as type-C is solved.

Description

A kind of interface unit
Technical Field
The invention belongs to the technical field of over-temperature protection of electronic devices, and particularly relates to a connector.
Background
The Type-C connector is a connection interface of a USB (Universal Serial Bus) interface, can be inserted without dividing into a front side and a back side, has a size of about 8.3mm × 2.5mm, and supports functions of charging, data transmission, display output and the like of the USB standard as other interfaces.
At present, the voltage of a Type-C connector generally adopts 5V-20V, the maximum power of 100W can be provided, and when the Type-C power supply exceeds 100W, the connector is smaller, the transmission current is large, and the connector mainboard is overheated and burnt.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an over-temperature protection method for a connector and a connector, which are intended to avoid the phenomenon of over-temperature burning of the type-C connector.
Therefore, the application discloses the following technical scheme:
a connector, comprising:
a connector main board;
and the thermistor is connected with the connector mainboard and used for detecting the temperature of the connector mainboard and triggering the connector mainboard to be powered off when the temperature of the connector mainboard is over-temperature.
In the above connector, preferably, the connector further includes a male connector and a female connector;
the connector mainboard comprises a mainboard chip, a power pin, a grounding pin and a configuration channel CC pin, wherein the power pin, the grounding pin and the configuration channel CC pin are arranged in the male head and the female head;
the CC pins in the male head and the female head comprise a first CC pin and a second CC pin.
In the connector, preferably, the thermistor is a negative temperature coefficient thermistor NTC.
The above connector, preferably:
the connector also comprises an overvoltage protection Integrated Circuit (IC) connected with a power supply pin in the male connector or the female connector, and the overvoltage protection integrated circuit is used for triggering the power supply pin in the male connector or the female connector to be powered off when the voltage between the first CC pin in the male connector or the female connector and the power supply pin is overvoltage;
the NTC comprises a first NTC and a second NTC; the first NTC is connected between a power supply pin and a first CC pin in the male head or the female head, and the second NTC is connected between the first CC pin and a grounding pin in the male head or the female head;
and when the first NTC and the second NTC are over-temperature, triggering the overvoltage protection IC to perform overvoltage protection between the first CC pin and the power pin, so that the power pin in the male head or the female head is powered off.
The above connector, preferably:
the connector also comprises an overvoltage protection IC connected with a power supply pin in the male connector or the female connector, and the overvoltage protection IC is used for triggering the power supply pin in the male connector or the female connector to be powered off when the voltage between the second CC pin in the male connector or the female connector and the power supply pin is overvoltage;
the NTCs comprise a third NTC and a fourth NTC; the third NTC is connected between a power supply pin and a second CC pin in the male head or the female head, and the fourth NTC is connected between the second CC pin and a grounding pin in the male head or the female head;
and when the third NTC and the fourth NTC are over-temperature, triggering the overvoltage protection IC to perform overvoltage protection between the second CC pin and the power pin, so that the power pin in the male head or the female head is powered off.
The above connector, preferably:
the connector also comprises an overvoltage protection IC connected with a power supply pin in the male connector or the female connector, and the overvoltage protection IC is used for triggering the power supply pin in the male connector or the female connector to be powered off when the voltage between the first CC pin and/or the second CC pin in the male connector or the female connector and the power supply pin is overvoltage;
the NTCs comprise a first NTC, a second NTC, a third NTC and a fourth NTC; the first NTC is connected between a power pin and a first CC pin in the male head or the female head, the second NTC is connected between the first CC pin and a ground pin in the male head or the female head, the third NTC is connected between the power pin and the second CC pin in the male head or the female head, and the fourth NTC is connected between the second CC pin and the ground pin in the male head or the female head;
when the first NTC and the second NTC are over-temperature, triggering the overvoltage protection IC to perform overvoltage protection between the first CC pin and the power pin, so that the power pin in the male head or the female head is powered off; and when the third NTC and the fourth NTC are over-temperature, triggering the overvoltage protection IC to perform overvoltage protection between the second CC pin and the power pin, so that the power pin in the male head or the female head is powered off.
The above connector, preferably:
the NTCs include a fifth NTC connected between a power pin and a ground pin in the male or female head;
when the fifth NTC is over-temperature, the overcurrent protection of the power adapter connected with the power pin in the male head or the female head is triggered, so that the power pin in the male head or the female head is powered off.
According to the scheme, the connector provided by the application is additionally provided with the thermistor connected with the connector mainboard on the basis of the connector mainboard, the thermistor is used for detecting the temperature of the connector mainboard, and the connector mainboard is triggered to be powered off when the temperature of the connector mainboard is over-temperature. By applying the scheme, when the temperature of the connector mainboard is over-temperature, the thermistor can be triggered to cut off the power of the connector mainboard, so that the phenomenon that the connector mainboard is burnt due to overheating can be effectively avoided, and the problem of overheating protection of connectors such as type-C is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1-2 are schematic structural views of a connector provided in one embodiment of the present application;
FIG. 3 is a schematic diagram of a connector according to another embodiment of the present application;
FIG. 4 is a schematic structural diagram of a connector provided in accordance with yet another embodiment of the present application;
FIG. 5 is a schematic view of a connector according to yet another embodiment of the present application;
fig. 6 is a schematic structural diagram of a connector according to still another embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a connector, which is used to solve the problem of over-temperature/over-temperature protection of the connector and avoid the phenomenon of overheating and burning out of a connector motherboard, and referring to fig. 1, the connector disclosed in an embodiment of the present application is a schematic structural diagram, and as shown in the diagram, the connector may include:
a connector main board 101;
the connector may be, but is not limited to, a Type-C connector or a general USB connector. The embodiment of the present application will be described by taking a Type-C connector as an example.
Referring to fig. 2, the connector further includes a male head 103 and a female head 104; the connector motherboard 101 includes a motherboard chip (not shown in fig. 2), and various chip pins 105 disposed in the male header 103 and the female header 104, such as a power supply pin VBUS, a ground pin GND, and a configuration channel cc (configuration channel) pin disposed in the male header 103 and the female header 104, and the like.
The configuration channel CC is a key channel newly added in the USB Type-C and has the functions of detecting USB connection, detecting positive and negative insertion, establishing and managing connection between data and VBUS between USB devices and the like.
The CC pins in the male header 103 and the female header 104 include a first CC pin 1051 (i.e., CC1 in fig. 2) and a second CC pin 1052 (i.e., CC2 in fig. 2).
And the thermistor 102 is connected with the connector main board and used for detecting the temperature of the connector main board 101 and triggering the connector main board 101 to be powered off when the temperature of the connector main board 101 is over-temperature.
In this embodiment, the thermistor 102 is preferably a negative Temperature coefficient thermistor ntc (negative Temperature coefficient). In specific implementation, the NTC may be disposed on the connector motherboard 101, so that the NTC can be used to effectively detect the temperature of the connector motherboard 101, and when the temperature of the connector motherboard 101 is over-temperature, the connector motherboard 101 is triggered to power off, thereby implementing over-temperature protection on the connector motherboard 101.
According to the scheme, the connector provided by the application is additionally provided with the thermistor connected with the connector mainboard on the basis of the connector mainboard, the thermistor is used for detecting the temperature of the connector mainboard, and the connector mainboard is triggered to be powered off when the temperature of the connector mainboard is over-temperature. By applying the scheme, when the temperature of the connector mainboard is over-temperature, the thermistor can be triggered to cut off the power of the connector mainboard, so that the phenomenon that the connector mainboard is burnt due to overheating can be effectively avoided, and the problem of overheating protection of connectors such as type-C is solved.
Referring to fig. 3, a schematic structural diagram of a connector according to another embodiment of the present invention is provided, in this embodiment, as shown in fig. 3, the connector further includes an Integrated Circuit (IC) 106 connected to a power supply pin VBUS in the male connector 103 or the female connector 104, for triggering the power supply pin VBUS in the male connector 103 or the female connector 104 to be powered off when a voltage between the first CC pin CC1 in the male connector 103 or the female connector 104 and the power supply pin VBUS is over-voltage.
The thermistor 102 comprises a first NTC1021 and a second NTC 1022; the first NTC1021 is connected between a power pin VBUS and a first CC pin CC1 in the male or female head 103 or 104, and the second NTC 1022 is connected between a first CC pin CC1 and a ground pin GND in the male or female head 103 or 104.
That is, in the present embodiment, two negative temperature coefficient thermistors NTC: a first NTC and a second NTC, which are respectively connected between the power pin VBUS and the first CC pin CC1 and between the first CC pin CC1 and the ground pin GND.
The NTC is a thermistor with resistance which is reduced along with temperature rise and has a negative temperature coefficient, based on the resistance characteristic of the NTC, under the condition that the temperature of a connector mainboard is normal, the resistance of the NTC is high and is in a high-impedance state, under the condition, a first NTC connected between a power supply pin VBUS and a first CC pin CC1 and a second NTC connected between a first CC pin CC1 and a grounding pin GND are disconnected, voltage division cannot be generated on the power supply of the power supply pin VBUS, the power supply pin VBUS and a first CC pin CC1 as well as the first CC pin CC1 and the grounding pin GND are in an open-circuit state, so that overvoltage of the voltage of the first CC pin CC1 cannot be caused, and power-off control of the overvoltage protection IC on the power supply pin VBUS cannot be triggered.
When the temperature of the connector mainboard rises, the impedance of the first NTC and the second NTC becomes low correspondingly, and the voltage of the power supply pin VBUS is divided correspondingly, so that the voltage of the first CC pin CC1 rises, when the voltage of the first CC pin CC1 reaches an overvoltage protection point set in the overvoltage protection IC, the temperature of the connector mainboard is over-temperature, and at the moment, the overvoltage protection IC triggers the power supply pin VBUS in the male connector or the female connector to be powered off, so that the over-temperature protection of the mainboard and a machine is realized.
In the embodiment, the first NTC and the second NTC are respectively connected between the power supply pin VBUS and the first CC pin CC1 and between the first CC pin CC1 and the ground pin GND, so that when the connector mainboard is over-temperature, the overvoltage protection is performed on the connector mainboard based on the overvoltage protection IC for the first CC pin CC1, and the phenomenon of overheating and burning of the connector mainboard can be effectively avoided.
Referring to fig. 4, a schematic structural diagram of a connector according to another embodiment of the present invention is provided, in this embodiment, as shown in fig. 4, the connector also includes an Integrated Circuit (IC) 106 connected to a power supply pin VBUS in the male connector 103 or the female connector 104, and the difference from the previous embodiment is that the IC 106 in this embodiment is used to trigger the power supply pin VBUS in the male connector 103 or the female connector 104 to power off when a voltage between the second CC pin CC2 in the male connector 103 or the female connector 104 and the power supply pin VBUS is over-voltage.
The thermistor 102 comprises a third NTC1023 and a fourth NTC 1024; the third NTC1023 is connected between the power pin VBUS and the second CC pin CC2 in the male or female head 103 or 104, and the fourth NTC 1024 is connected between the second CC pin CC2 and the ground pin GND in the male or female head 103 or 104.
That is, in the present embodiment, two negative temperature coefficient thermistors NTC are also employed: the third and fourth NTCs are different from the previous embodiment in that the present embodiment is connected between the power pin VBUS and the second CC pin CC2 and between the second CC pin CC2 and the ground pin GND, respectively.
Based on the resistance characteristic of the NTC, under the condition that the temperature of the connector mainboard is normal, the resistance of the NTC is high and is in a high impedance state, under the condition, the third NTC connected between the power supply pin VBUS and the second CC pin CC2 and the fourth NTC connected between the second CC pin CC2 and the grounding pin GND are disconnected, voltage division cannot be generated on the power supply of the power supply pin VBUS, the power supply pin VBUS and the second CC pin CC2 as well as the second CC pin CC2 and the grounding pin GND are in an open circuit state, overvoltage of the voltage of the second CC pin CC2 cannot be caused, and power-off control of the overvoltage protection IC on the power supply pin VBUS cannot be triggered.
When the temperature of the connector mainboard rises, the impedance of the third NTC and the fourth NTC becomes low correspondingly, and accordingly voltage division is generated on the power supply of the power supply pin VBUS, so that the voltage of the second CC pin CC2 rises, when the voltage of the second CC pin CC2 reaches an overvoltage protection point set in the overvoltage protection IC, the temperature of the connector mainboard is over-temperature, and at the moment, the overvoltage protection IC triggers the power supply pin VBUS in the male connector or the female connector to be powered off, so that the over-temperature protection of the mainboard and the machine is realized.
In this embodiment, the third NTC and the fourth NTC are respectively connected between the power supply pin VBUS and the second CC pin CC2 and between the second CC pin CC2 and the ground pin GND, so that when the connector motherboard is over-temperature, the overvoltage protection is performed on the connector motherboard based on the overvoltage protection IC on the second CC pin CC2, and the phenomenon of overheating and burning of the connector motherboard can be effectively avoided.
Referring to fig. 5, a schematic structural diagram of a connector according to still another embodiment of the present invention is provided, in this embodiment, as shown in fig. 5, the connector also includes an overvoltage protection IC 106 connected to a power supply pin VBUS in the male connector 103 or the female connector 104, and the difference between the two embodiments is that the overvoltage protection IC 106 is used for triggering the power supply pin VBUS in the male connector 103 or the female connector 104 to be powered off when a voltage between the first CC pin CC1 and/or the second CC pin CC2 in the male connector 103 or the female connector 104 is overvoltage.
In this embodiment, the thermistor 102 includes a first NTC1021, a second NTC 1022, a third NTC1023, and a fourth NTC 1024; the first NTC1021 is connected between a power pin VBUS and a first CC pin CC1 in the male or female head 103 or 104, the second NTC 1022 is connected between a first CC pin CC1 and a ground pin GND in the male or female head 103 or 104, the third NTC1023 is connected between the power pin VBUS and a second CC pin CC2 in the male or female head 103 or 104, and the fourth NTC 1024 is connected between the second CC pin CC2 and the ground pin GND in the male or female head 103 or 104.
That is, in the present embodiment, four negative temperature coefficient thermistors NTC: the first NTC and the second NTC are respectively accessed between the power supply pin VBUS and the first CC pin CC1 and between the first CC pin CC1 and the ground pin GND, and the third NTC and the fourth NTC are respectively accessed between the power supply pin VBUS and the second CC pin CC2 and between the second CC pin CC2 and the ground pin GND.
Based on the resistance characteristic of the NTC, under the condition that the temperature of the connector mainboard is normal, the resistance of the NTC is high and is in a high impedance state, under the condition, the first NTC, the second NTC, the third NTC and the fourth NTC are disconnected, voltage division cannot be generated on the power supply of the power supply pin VBUS, the power supply pin VBUS and the first CC pin CC1, the first CC pin CC1 and the grounding pin GND are in an open circuit state, the power supply pin VBUS and the second CC pin CC2, the second CC pin CC2 and the grounding pin GND are also in an open circuit state, overvoltage of the voltage of the first CC pin CC1 and the voltage of the second CC pin CC2 cannot be caused, and power-off control of the overvoltage protection IC on the power supply pin VBUS cannot be triggered.
When the temperature of the connector mainboard rises, the impedances of the first NTC, the second NTC, the third NTC and the fourth NTC become low correspondingly, and accordingly voltage division can be generated on the power supply of the power supply pin VBUS, so that the voltages of the first CC pin CC1 and the second CC pin CC2 rise, when the voltages of the first CC pin CC1 and/or the second CC pin CC2 respectively reach respective overvoltage protection points set in the overvoltage protection IC, the temperature of the connector mainboard is over-temperature, and at the moment, the overvoltage protection IC triggers the power supply pin VBUS in the male connector or the female connector to be powered off, and therefore the over-temperature protection of the connector mainboard is achieved.
In the embodiment, the first NTC and the second NTC are respectively connected between the power pin VBUS and the first CC pin CC1, between the first CC pin CC1 and the ground pin GND, and the third NTC and the fourth NTC are respectively connected between the power pin VBUS and the second CC pin CC2, and between the second CC pin CC2 and the ground pin GND, so that when the connector mainboard is over-temperature, the overvoltage protection is performed on the connector mainboard based on the overvoltage protection IC on the first CC pin CC1 and/or the second CC pin CC2, and the phenomenon of overheating and burning of the connector mainboard can be effectively avoided.
Referring to fig. 6, a schematic structural diagram of a connector according to yet another embodiment of the present invention is provided, in which, as shown in fig. 6, the thermistor 102 includes a fifth NTC 1025, and the fifth NTC 1025 is connected between the power pin VBUS and the ground pin GND in the male head 103 or the female head 104.
When the fifth NTC 1025 is over-temperature, the overcurrent protection of the power adapter connected to the power pin VBUS in the male head 103 or the female head 104 is triggered, so that the power pin VBUS in the male head 103 or the female head 104 is powered off.
Specifically, the present embodiment connects an NTC between the power pin VBUS and the ground pin GND in the male connector 103 or the female connector 104, that is, the fifth NTC. Based on the resistance characteristic of the NTC, under the condition that the temperature of the connector mainboard is normal, the resistance of the fifth NTC is higher and is in a high-impedance state, under the condition, the fifth NTC is disconnected, a VBUS where the fifth NTC is located and a GND link are in an open circuit state, when the temperature of the connector mainboard rises, the impedance of the fifth NTC becomes lower correspondingly, the VBUS where the fifth NTC is located and the GND link are conducted, along with the rise of the temperature of the connector mainboard, the current on the link between the VBUS where the fifth NTC is located and the GND is larger and larger, when the temperature is too high, OverCurrent Protection (OCP) of the power adapter is triggered, the power supply is disconnected, and therefore the over-temperature Protection of the connector mainboard is achieved.
In the embodiment, the fifth NTC is connected between the power supply pin VBUS and the ground pin GND, so that the over-temperature protection of the connector mainboard is realized based on the over-current protection of the power adapter when the connector mainboard is over-temperature, and the phenomenon that the connector mainboard is overheated and burnt can be effectively avoided.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
For convenience of description, the above system or apparatus is described as being divided into various modules or units by function, respectively. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present application.
Finally, it is further noted that, herein, relational terms such as first, second, third, fourth, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A connector, comprising:
a connector main board;
the thermistor is connected with the connector mainboard and used for detecting the temperature of the connector mainboard and triggering the connector mainboard to be powered off when the temperature of the connector mainboard is over-temperature;
the connector also comprises a male head and a female head;
the connector mainboard comprises a mainboard chip, a power pin, a grounding pin and a configuration channel CC pin, wherein the power pin, the grounding pin and the configuration channel CC pin are arranged in the male head and the female head;
the CC pins in the male head and the female head comprise a first CC pin and a second CC pin;
the connector also comprises an overvoltage protection Integrated Circuit (IC) connected with a power supply pin in the male connector or the female connector, and the overvoltage protection integrated circuit is used for triggering the power supply pin in the male connector or the female connector to be powered off when the voltage between the first CC pin in the male connector or the female connector and the power supply pin is overvoltage;
the thermistor includes a first thermistor and a second thermistor; the first thermistor is connected between a power supply pin and a first CC pin in the male head or the female head, and the second thermistor is connected between the first CC pin and a grounding pin in the male head or the female head;
when the first thermistor and the second thermistor are over-temperature, the overvoltage protection IC is triggered to perform overvoltage protection between the first CC pin and the power supply pin, so that the power supply pin in the male connector or the female connector is powered off.
2. The connector of claim 1, wherein the thermistor is a negative temperature coefficient thermistor.
3. The connector of claim 2, wherein:
the thermistor comprises a fifth thermistor connected between a power pin and a ground pin in the male or female head;
when the fifth thermistor is over-temperature, the overcurrent protection of the power adapter connected with the power pin in the male head or the female head is triggered, so that the power pin in the male head or the female head is powered off.
4. A connector, comprising:
a connector main board;
the thermistor is connected with the connector mainboard and used for detecting the temperature of the connector mainboard and triggering the connector mainboard to be powered off when the temperature of the connector mainboard is over-temperature;
the connector also comprises a male head and a female head;
the connector mainboard comprises a mainboard chip, a power pin, a grounding pin and a configuration channel CC pin, wherein the power pin, the grounding pin and the configuration channel CC pin are arranged in the male head and the female head;
the CC pins in the male head and the female head comprise a first CC pin and a second CC pin;
the connector also comprises an overvoltage protection IC connected with a power supply pin in the male connector or the female connector, and the overvoltage protection IC is used for triggering the power supply pin in the male connector or the female connector to be powered off when the voltage between the second CC pin in the male connector or the female connector and the power supply pin is overvoltage;
the thermistors include a third thermistor and a fourth thermistor; the third thermistor is connected between a power supply pin and a second CC pin in the male head or the female head, and the fourth thermistor is connected between the second CC pin and a grounding pin in the male head or the female head;
and when the third thermistor and the fourth thermistor are over-temperature, triggering the overvoltage protection IC to perform overvoltage protection between the second CC pin and the power supply pin, so that the power supply pin in the male connector or the female connector is powered off.
5. A connector, comprising:
a connector main board;
the thermistor is connected with the connector mainboard and used for detecting the temperature of the connector mainboard and triggering the connector mainboard to be powered off when the temperature of the connector mainboard is over-temperature;
the connector also comprises a male head and a female head;
the connector mainboard comprises a mainboard chip, a power pin, a grounding pin and a configuration channel CC pin, wherein the power pin, the grounding pin and the configuration channel CC pin are arranged in the male head and the female head;
the CC pins in the male head and the female head comprise a first CC pin and a second CC pin;
the connector also comprises an overvoltage protection IC connected with a power supply pin in the male connector or the female connector, and the overvoltage protection IC is used for triggering the power supply pin in the male connector or the female connector to be powered off when the voltage between the first CC pin and/or the second CC pin in the male connector or the female connector and the power supply pin is overvoltage;
the thermistors comprise a first thermistor, a second thermistor, a third thermistor and a fourth thermistor; the first thermistor is connected between a power supply pin and a first CC pin in the male head or the female head, the second thermistor is connected between the first CC pin and a grounding pin in the male head or the female head, the third thermistor is connected between the power supply pin and a second CC pin in the male head or the female head, and the fourth thermistor is connected between the second CC pin and the grounding pin in the male head or the female head;
when the first thermistor and the second thermistor are over-temperature, triggering the overvoltage protection IC to perform overvoltage protection between the first CC pin and the power pin, so that the power pin in the male connector or the female connector is powered off; and when the three thermistors and the fourth thermistor are over-temperature, triggering the overvoltage protection IC to perform overvoltage protection between the second CC pin and the power pin, so that the power pin in the male connector or the female connector is powered off.
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CN110426133A (en) * 2019-07-17 2019-11-08 陕西千山航空电子有限责任公司 A kind of thermometry of pluggable extension
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