CN105048199B - A kind of detecting system and its detection method of connector break-make - Google Patents

Abstract

The invention provides a connector on-off detection system and a detection method thereof, which relate to the technical field of automatic detection. The detection system includes a detection terminal reserved for the female/male connector of the connector, a grounding terminal set on the male/female seat corresponding to the detection terminal, a GPIO port corresponding to the detection terminal, and a corresponding connection to the GPIO port. The detection module, the judgment module connected with the detection module and the control module connected with the judgment module, wherein: the detection module is used to read the output state of the GPIO port; the judgment module is used to judge whether the connector is connected normally according to the output state; the control module It is used to cut off the power supply passing through the connector when the connector connection is abnormal. The invention can avoid the problem that the circuit inside the mobile phone may be short-circuited when the connector is abnormally connected.

Description

A connector on-off detection system and detection method thereof

technical field

The invention belongs to the technical field of automatic detection, and in particular relates to a detection system and a detection method for the on-off of a connector.

Background technique

The mobile phone is the most widely used communication device in today's society. The mobile phone includes a transmitter circuit and an antenna, a receiver and an audio circuit, a phase-locked frequency synthesizer, a power supply circuit and a voltage regulator, a display part, a keyboard and buttons Circuits, user management systems and related telephone functions used by users (such as ringtones and vibrations, background lights) circuits, and even Internet access systems, MP3 players, GPS (Global Positioning System), Bluetooth modules, etc. However, in order to form a practical and complete communication system for these different circuit parts, they must be connected with each other using connectors as the hub of electronic signal transmission. At present, the internal connectors of mobile phones on the market are generally FPC (Flexible Printed Circuit board, flexible printed circuit board) connectors or board-to-board connectors, both of which are composed of a female seat and a male seat. When connecting two different circuit parts, the male seat and the female seat need to be respectively fixed on the two different circuit parts, and then the pins of the male seat are inserted into the female seat to form an electrical connection between the two different circuit parts . However, due to the structural defects of the connector itself, the connection between the female seat and the male seat is not tight, and a slight drop of the mobile phone will also cause the electrical connection between the female seat and the male seat to be disconnected. At this time, because the connector is packaged in The inside of the mobile phone prevents the user from knowing the line failure in time, so the connector will shake left and right inside the mobile phone, which may cause a short circuit failure in the internal circuit of the mobile phone.

Contents of the invention

The purpose of the present invention is to provide a detection system and detection method for connector on-off, aiming at solving the problem that when the electrical connection of the connector is disconnected, the user cannot know the line failure in time, so the connector will be left and right inside the mobile phone. Shaking may cause a short-circuit fault in the circuit inside the phone.

The present invention is achieved in this way, a detection system for connector on-off, including detection terminals reserved on the female seat/male seat of the connector, and detection terminals corresponding to the detection terminals on the male seat/female seat The ground terminal set at the position, the GPIO port correspondingly connected to the detection terminal, the detection module connected correspondingly to the GPIO port, the judgment module connected to the detection module and the control module connected to the judgment module, wherein :

The detection module is used to read the output state of the GPIO port corresponding to the detection terminal;

The judging module is used to judge whether the connector is connected normally according to the output state;

The control module is configured to cut off the power supplies passing through the connector when the connection of the connector is abnormal.

In the connector on-off detection system of the present invention, a prompting module is also included, configured to prompt the user that the connector is abnormally connected when the connector is abnormally connected.

In the on-off detection system of the connector according to the present invention, a detection terminal is respectively reserved at both ends of the female seat/male seat, and the position corresponding to the detection terminal on the male seat/female seat is A ground terminal is provided, and the two detection terminals are respectively connected to the first GPIO port and the second GPIO port.

In the connector on-off detection system of the present invention, the output state includes low level and high impedance state, and the judgment module is specifically used for:

When the output states of the first GPIO port and the second GPIO port are both low level, it is judged that the connection of the connector is normal;

When at least one of the output states of the first GPIO port and the second GPIO port is in a high-impedance state, it is determined that the connection of the connector is abnormal.

In the on-off detection system of the connector according to the present invention, the connector is an FPC connector or a board-to-board connector inside the mobile phone.

Another object of the present invention is to provide a detection method for a connector on-off detection system, including:

Read the output status of the GPIO port corresponding to the detection terminal;

judging whether the connector is properly connected according to the output state;

When the connection of the connector is abnormal, all the power sources passing through the connector are disconnected.

In the detection method of the connector on-off detection system according to the present invention, after judging whether the connector is connected normally according to the output state, it also includes:

When the connection of the connector is abnormal, the user is prompted that the connection of the connector is abnormal.

In the detection method of the connector on-off detection system according to the present invention, a detection terminal is respectively reserved at both ends of the female seat/male seat, and the detection terminal corresponds to the detection terminal on the male seat/female seat. A grounding terminal is provided at the position of , and the two detection terminals are respectively connected to the first GPIO port and the second GPIO port.

In the detection method of the connector on-off detection system according to the present invention, the output state includes low level and high impedance state, and the judging whether the connector is connected normally according to the output state specifically includes:

When the output states of the first GPIO port and the second GPIO port are both low level, it is judged that the connection of the connector is normal;

When at least one of the output states of the first GPIO port and the second GPIO port is in a high-impedance state, it is determined that the connection of the connector is abnormal.

In the detection method of the connector on-off detection system according to the present invention, the connector is an FPC connector or a board-to-board connector inside the mobile phone.

Implementing the detection method and system of the connector on-off detection system provided by the present invention has the following beneficial effects:

In the present invention, since detection terminals are reserved on the female seat/male seat, a grounding terminal is provided at the position corresponding to the detection terminal on the male seat/female seat, and each detection terminal is correspondingly connected to a GPIO port, and then read Detect the output state of the GPIO port corresponding to the terminal; judge whether the connector is connected normally according to the output state; When the electrical connection between the female seat and the male seat in the connector is disconnected, the user cannot know the line fault in time, which may cause a short circuit fault in the circuit inside the mobile phone.

Description of drawings

Fig. 1 is a schematic diagram of the application of the connector on-off detection system provided by the present invention in a specific embodiment;

Fig. 2 is a schematic structural view of a connector in a preferred embodiment of the present invention;

Fig. 3 is a specific implementation flow chart of the detection method of the connector on-off detection system provided by the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Fig. 1 shows a schematic diagram of the application of the provided connector on-off detection system in a specific embodiment. For ease of illustration, only the parts relevant to the present invention are shown.

Referring to Fig. 1, the connector 1 in the present invention includes a female seat 11 and a male seat 12 that form an electrical connection, and the detection system includes a detection terminal 111 reserved on the female seat 11/male seat 12, the male seat 11, and the male seat 12. The ground terminal 112 provided at the position corresponding to the detection terminal 111 on the seat 12/female seat 11, the GPIO (General Purpose Input Output, general purpose input/output) port 2 connected to the detection terminal 111 correspondingly, and the GPIO Port 2 corresponds to the detection module 3 connected, the judgment module 4 connected to the detection module 3 and the control module 5 connected to the judgment module 4, wherein:

The detection module 3 is configured to read the output state of the GPIO port 2 corresponding to the detection terminal 111;

The judging module 4 is used to judge whether the connector 1 is connected normally according to the output state;

The control module 5 is configured to disconnect the power supplies passing through the connector 1 when the connection of the connector 1 is abnormal.

In the embodiment of the present invention, the position and quantity of the detection terminals 111 reserved on the female socket/male socket can be freely set. Referring to Fig. 2, as an example of a better implementation, a detection terminal 111 is reserved at both ends of the female seat 11/male seat 12, and the detection terminal 111 is connected to the male seat 12/female seat 11. A ground terminal 112 is provided at a position corresponding to 111 , and the two detection terminals 111 are respectively connected to the first GPIO port 2 and the second GPIO port 2 . Further, the output state includes low level and high impedance state, and the judgment module 4 is specifically used for:

When the output states of the first GPIO port 2 and the second GPIO port 2 are both low level, it is determined that the connection of the connector 1 is normal;

When at least one of the output states of the first GPIO port 2 and the second GPIO port 2 is in a high-impedance state, it is determined that the connection of the connector 1 is abnormal.

In the embodiment of the present invention, when the detection pins are in close contact with the ground pins, the output states of the GPIO ports 2 connected to the detection pins are all low level. At this time, the GPIO ports read by all detection modules 3 The output states of 2 are all 0, and the connection between the male seat 12 and the female seat 11 of connector 1 is normal; when the electrical connection between at least one detection pin and the ground pin is disconnected, then the detection pin is in a floating state, The output state of the GPIO port 2 connected to the detection pin is a high-impedance state. At this time, at least one detection module 3 reads that the output state of the GPIO port 2 is not 0, and the male seat 12 of the connector 1 is connected to the female seat 11. abnormal.

Further, the connector on-off detection system further includes a prompt module 6, configured to prompt the user that the connector is abnormally connected when the connector is abnormally connected.

In the embodiment of the present invention, the connector 1 is an FPC connector 1 or a board-to-board connector 1 inside the mobile phone. The prompt module 6 can be a display screen of a mobile phone. When the connector is abnormally connected, the control module 5 controls the display screen of the mobile phone to display a prompt message indicating that the connector is abnormal. status, so that the user can quickly find out the position of the abnormal connector inside the mobile phone according to the identification number of the connector, which greatly improves the maintenance efficiency.

The on-off detection system of the connector provided by the embodiment of the present invention first reads the output state of the GPIO port corresponding to the detection terminal, and then judges whether the connector is connected normally according to the output state. When the connection of the connector is abnormal Disconnect the various power sources passing through the connector, so as to avoid the short circuit of the internal circuit of the mobile phone caused by the left and right shaking of the connector inside the mobile phone. In addition, in the embodiment of the present invention, when the connection of the connector is abnormal, a message is sent to the user. The prompt information of the abnormal connection of the connector, the prompt information includes the identification number and the connection status of the connector, so that it can be quickly located when the connector inside the mobile phone is abnormally connected (the same mobile phone contains multiple connections) device), which in turn can improve maintenance efficiency.

FIG. 3 shows a specific implementation flow chart of the detection method of the connector 1 on-off detection system provided by the present invention. Referring to Fig. 3, the detection method includes:

In S301, the output state of the GPIO port 2 corresponding to the detection terminal 111 is read.

In S302, it is judged according to the output status whether the connector 1 is connected normally.

In S303, when the connection of the connector 1 is abnormal, disconnect the power supplies passing through the connector 1 .

Optionally, after judging whether the connector is connected normally according to the output status, the method further includes:

When the connection of the connector is abnormal, the user is prompted that the connection of the connector is abnormal.

Optionally, a detection terminal 111 is reserved at both ends of the female seat 11/male seat 12, and a ground terminal 112 is provided at a position corresponding to the detection terminal 111 on the male seat 12/female seat 11 , and the two detection terminals 111 are connected to the first GPIO port 2 and the second GPIO port 2 respectively.

Optionally, the output state of the GPIO port 2 includes low level and high impedance state, and the judging whether the connector 1 is connected normally according to the output state specifically includes:

When the output states of the first GPIO port 2 and the second GPIO port 2 are both low level, it is determined that the connection of the connector 1 is normal;

When at least one of the output states of the first GPIO port 2 and the second GPIO port 2 is in a high-impedance state, it is determined that the connection of the connector 1 is abnormal.

Optionally, the connector 1 is an FPC connector 1 or a board-to-board connector 1 inside the mobile phone.

It should be noted that, since each step in the above method is based on the same concept as the system embodiment of the present invention, the technical effect brought by it is the same as that of the system embodiment of the present invention. For details, please refer to the description in the system embodiment of the present invention. I won't repeat them here.

The detection method of the connector on-off detection system provided by the present invention can also avoid the short circuit of the internal circuit of the mobile phone caused by the left and right shaking of the connector inside the mobile phone, and can also improve the maintenance efficiency.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. A detection system for connector on-off, used to detect whether there is abnormality in the connection of the connector, it is characterized in that the detection system includes detection terminals reserved on the female seat/male seat of the connector, the The ground terminal set at the position corresponding to the detection terminal on the female seat/male seat, the GPIO port correspondingly connected to the detection terminal, the detection module connected correspondingly to the GPIO port, and the detection module connected A judging module and a control module connected to the judging module, wherein: The detection module is used to read the output state of the GPIO port corresponding to the detection terminal; The judging module is used to judge whether the connector is connected normally according to the output state; The control module is configured to disconnect the power supplies passing through the connector when the connection of the connector is abnormal; Wherein, the output state includes low level and high impedance state; when the output state of all GPIO ports is low level, the output state of the GPIO port is detected to be 0, and it is judged that the connection of the connector is normal; When the output state of at least one GPIO port is a high-impedance state, the detection reads that the output state of at least one GPIO port is not 0, and it is judged that the connection of the connector is abnormal. 2 . The connector continuity detection system according to claim 1 , further comprising a prompting module, configured to prompt the user that the connector is abnormally connected when the connector is abnormally connected. 3 . 3. The on-off detection system of the connector according to claim 1, wherein a detection terminal is reserved at both ends of the female seat/male seat respectively, and the said female seat/male seat is connected to the said A ground terminal is provided at a position corresponding to the detection terminal, and the two detection terminals are respectively connected to a first GPIO port and a second GPIO port. 4. The detection system for connector on-off as claimed in claim 3, wherein the judging module is specifically used for: When the output states of the first GPIO port and the second GPIO port are both low level, it is judged that the connector is connected normally; When at least one of the output states of the first GPIO port and the second GPIO port is in a high-impedance state, it is determined that the connector is abnormally connected. 5. The connector on-off detection system according to claim 1, wherein the connector is an FPC connector or a board-to-board connector inside the mobile phone. 6. A detection method for the connector on-off detection system according to claim 1, for detecting whether there is an abnormality in the connection of the connector, characterized in that it comprises: Read the output state of the GPIO port corresponding to the detection terminal; judging whether the connector is properly connected according to the output state; When the connection of the connector is abnormal, all the power sources passing through the connector are disconnected. 7. The detection method of the connector on-off detection system as claimed in claim 6, characterized in that, after said judging whether said connector is connected normally according to said output state, further comprising: When the connection of the connector is abnormal, the user is prompted that the connection of the connector is abnormal. 8. The detection method of the connector on-off detection system according to claim 6, wherein a detection terminal is reserved at both ends of the female seat/male seat, and a detection terminal is reserved on the female seat/male seat. A ground terminal is provided at a position corresponding to the detection terminal, and the two detection terminals are respectively connected to a first GPIO port and a second GPIO port. 9. The detection method of the connector on-off detection system as claimed in claim 8, wherein said judging whether said connector is connected normally according to said output state specifically comprises: When the output states of the first GPIO port and the second GPIO port are both low level, it is judged that the connection of the connector is normal; When at least one of the output states of the first GPIO port and the second GPIO port is in a high-impedance state, it is determined that the connection of the connector is abnormal. 10. The detection method of the connector on-off detection system according to claim 6, wherein the connector is an FPC connector or a board-to-board connector inside the mobile phone.