CN116413630A

CN116413630A - Apparatus and method for short circuit detection of power supply transfer circuit board

Info

Publication number: CN116413630A
Application number: CN202111659245.1A
Authority: CN
Inventors: 林沛庆; 查斌; 曹传杰
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-07-11
Also published as: WO2023125101A1

Abstract

The application provides equipment and a method for detecting short circuit of a power supply transfer circuit board. The apparatus includes: the power supply transfer circuit board is used for obtaining power from the power panel and supplying power for other single boards in the equipment; the detection circuit layer is used for detecting the change vectors of a plurality of areas of the power supply transfer circuit board and is coupled with the power supply transfer circuit board; and the control circuit is used for determining the short circuit of the power supply transfer circuit board according to the change vector. According to the equipment disclosed by the application, the power transfer circuit board is divided into a plurality of areas through the detection circuit layer, whether the power transfer circuit board is short-circuited or not is determined according to the change vectors of the areas of the power transfer circuit board, the short-circuit fault of the power transfer circuit board can be rapidly and accurately identified, and the open fire combustion safety accident caused by the continuous short-circuit of the power transfer circuit board is avoided.

Description

Apparatus and method for short circuit detection of power supply transfer circuit board

Technical Field

The present application relates to the field of communications technologies, and in particular, to an apparatus and method for power supply transfer circuit board short circuit detection.

Background

With the continuous evolution of the capacity of communication products, the power consumption of the communication equipment is increased sharply, and the power consumption requirement of the communication equipment is difficult to meet by adopting conventional partition power supply to the power transfer circuit board. There is currently a power supply technology of a large power supply pool, for example, a unified negative 48 volt (V) power supply plane, in which the negative 48V power supply of a power transfer circuit board (for example, a back plate) is not divided into negative 48V power supply planes of different partitions, but a complete single-plane negative 48V power supply is adopted.

In the above technology, the through current of the power supply transfer circuit board can reach hundreds of amperes, which is far greater than the through current of the partition power supply. When the power supply transfer circuit board is short-circuited, the through current of the power supply transfer circuit board can rapidly rise in a short time, and the open fire combustion safety accident can be caused.

Therefore, a technology is needed to identify the short-circuit fault of the transfer circuit board in the power supply and avoid the open fire combustion safety accident caused by the continuous short-circuit of the transfer circuit board in the power supply.

Disclosure of Invention

The application provides equipment and a method for detecting short circuit of a power supply transfer circuit board. The short-circuit fault of the transfer circuit board of the power supply can be identified rapidly and accurately, and the open fire combustion safety accident caused by the continuous short-circuit of the transfer circuit board of the power supply is avoided.

In a first aspect, an apparatus for power supply transfer circuit board short detection is provided. The apparatus includes: the power supply transfer circuit board is used for obtaining power from the power panel and supplying power for other single boards in the equipment; the detection circuit layer is used for detecting the change vectors of a plurality of areas of the power supply transfer circuit board and is coupled with the power supply transfer circuit board; and the control circuit is used for determining the short circuit of the power supply transfer circuit board according to the change vector.

According to the equipment disclosed by the application, the power transfer circuit board is divided into a plurality of areas through the detection circuit layer, whether the power transfer circuit board is short-circuited or not is determined according to the change vectors of the areas of the power transfer circuit board, the short-circuit fault of the power transfer circuit board can be rapidly and accurately identified, and the open fire combustion safety accident caused by the continuous short-circuit of the power transfer circuit board is avoided.

With reference to the first aspect, in some implementations of the first aspect, the variation vector is an actual temperature of a circuit board in the power supply, and the detection circuit layer is an optical fiber layer. The apparatus further includes a transceiver circuit for periodically transmitting the probe pulse optical signal to the optical fiber layer. The optical fiber layer is specifically used for determining the actual temperatures of a plurality of areas of the power supply transit circuit board according to the scattering and/or reflecting parameters of the detection pulse optical signals.

The receiving and transmitting circuit is also used for acquiring the normal working temperature of the circuit board in the power supply; the control circuit is specifically used for determining the short circuit of the power transfer circuit board according to the actual temperature of the power transfer circuit board and the normal working temperature of the power transfer circuit board. The equipment disclosed by the application carries out regional temperature detection on the power transfer circuit board through the optical fiber layer, determines whether the power transfer circuit board is short-circuited, can rapidly and accurately identify the short-circuit fault of the power transfer circuit board, and avoids open fire combustion safety accidents caused by continuous short circuit of the power transfer circuit board.

With reference to the first aspect, in some implementations of the first aspect, the transceiver circuit is further configured to receive first information from the optical fiber layer, where the first information is used to indicate actual temperatures of multiple areas of the power supply transit circuit board.

With reference to the first aspect, in some implementations of the first aspect, the optical fiber layer divides the power supply relay circuit board into a plurality of grid-shaped areas. Wherein the optical fiber layer comprises a single-layer or multi-layer structure.

With reference to the first aspect, in other implementation manners of the first aspect, the change vector is a current of a circuit board in the power supply, and the detection circuit layer is a conductive wire layer. The control circuit is specifically used for determining the short circuit of the transfer circuit board in the power supply by determining the current values of a plurality of areas of the transfer circuit board in the power supply. The device disclosed by the application carries out zonal current detection on the power transfer circuit board through the conductive wire layer, determines whether the power transfer circuit board is short-circuited, can rapidly and accurately identify the short-circuit fault of the power transfer circuit board, and avoids open fire combustion safety accidents caused by continuous short circuit of the power transfer circuit board.

With reference to the first aspect, in other implementation manners of the first aspect, the apparatus further includes a transceiver circuit configured to receive second information from the conductive line layer, where the second information is configured to indicate current values of a plurality of areas of the power supply relay circuit board.

With reference to the first aspect, in still other implementations of the first aspect, the variation vector is a voltage of a circuit board in the power supply, and the detection circuit layer is a conductive wire layer. The control circuit is specifically used for determining the short circuit of the transfer circuit board in the power supply by determining the voltage values of a plurality of areas of the transfer circuit board in the power supply. The equipment disclosed by the application carries out zonal voltage detection on the power transfer circuit board through the conductive wire layer, determines whether the power transfer circuit board is in short circuit, can rapidly and accurately identify the short circuit fault of the power transfer circuit board, and avoids open fire combustion safety accidents caused by continuous short circuit of the power transfer circuit board.

With reference to the first aspect, in still other implementation manners of the first aspect, the apparatus further includes a transceiver circuit configured to receive third information from the conductive line layer, where the third information is configured to indicate voltage values of a plurality of areas of the power supply transfer circuit board.

Wherein, the conductive wire layer comprises a single-layer structure. Alternatively, the conductive wire layer includes a multi-layer structure, and the multi-layer structure of the conductive wire layer divides the power supply relay circuit board into a plurality of grid-shaped areas. Optionally, the conductive wire layer comprises a conductive copper wire layer.

Optionally, after determining that the power supply transfer circuit board has a short-circuit fault, the control circuit is further configured to turn off the power supply output of the power panel.

In a second aspect, a method for power supply transfer circuit board short circuit detection is provided. The method comprises the following steps: detecting the change vectors of a plurality of areas of the power transfer circuit board, dividing the power transfer circuit board into a plurality of areas by the detection circuit layer, coupling the detection circuit layer with the power transfer circuit board, and determining the short circuit of the power transfer circuit board according to the change vectors of the plurality of areas of the power transfer circuit board.

With reference to the second aspect, in some implementations of the second aspect, the variation vector is an actual temperature of a circuit board in the power supply, and the detection circuit layer is an optical fiber layer. Detecting a change vector of a plurality of areas of a relay circuit board in a power supply, comprising: periodically transmitting a detection pulse optical signal to the optical fiber layer, and determining the actual temperatures of a plurality of areas of the power supply transfer circuit board according to the scattering and/or reflection parameters of the detection pulse optical signal.

With reference to the second aspect, in certain implementations of the second aspect, determining that the power supply transit circuit board is shorted according to a vector of changes of a plurality of areas of the power supply transit circuit board includes: and acquiring the normal working temperature of the power transfer circuit board, and determining the short circuit of the power transfer circuit board according to the actual temperature of the power transfer circuit board and the normal working temperature of the power transfer circuit board.

With reference to the second aspect, in some implementations of the second aspect, the optical fiber layer divides the power supply relay circuit board into a plurality of grid-shaped areas. Wherein the optical fiber layer comprises a single-layer or multi-layer structure.

With reference to the second aspect, in other implementations of the second aspect, the variation vector is a current of a circuit board in the power supply, and the detection circuit layer is a conductive wire layer. Determining a power supply transfer circuit board short circuit according to the change vectors of a plurality of areas of the power supply transfer circuit board, comprising: and determining that the power supply transit circuit board is short-circuited by determining the current interruption of the power supply transit circuit board.

With reference to the second aspect, in still other implementations of the second aspect, the variation vector is a voltage of a relay circuit board in the power supply, and the detection circuit layer is a conductive line layer. Determining a power supply transfer circuit board short circuit according to the change vectors of a plurality of areas of the power supply transfer circuit board, comprising: and determining the short circuit of the power supply transfer circuit board by determining the voltage of the power supply transfer circuit board.

Optionally, after determining the short-circuit fault of the power supply transfer circuit board, the method further includes: and switching off the power supply output of the power panel of the power transfer circuit board.

In a third aspect, an apparatus for power supply transfer circuit board short circuit detection is provided. The device comprises: and the processing unit is used for detecting the change vector detection circuit layers of a plurality of areas of the power supply transfer circuit board and coupling the change vector detection circuit layers with the power supply transfer circuit board. And the processing unit is also used for determining the short circuit of the power supply transfer circuit board according to the change vectors of the multiple areas of the power supply transfer circuit board.

With reference to the third aspect, in some implementations of the third aspect, the change vector is an actual temperature of a circuit board in the power supply, and the detection circuit layer is an optical fiber layer. The device also comprises a transceiver unit for periodically transmitting the detection pulse optical signals to the optical fiber layer, and a processing unit is specifically used for determining the actual temperatures of a plurality of areas of the power supply transit circuit board according to the scattering and/or reflection parameters of the detection pulse optical signals.

The receiving and transmitting unit is also used for acquiring the normal working temperature of the circuit board in the power supply. The processing unit is specifically used for determining the short circuit of the power supply transfer circuit board according to the actual temperature of the power supply transfer circuit board and the normal working temperature of the power supply transfer circuit board.

With reference to the third aspect, in some implementations of the third aspect, the optical fiber layer divides the power transfer circuit board into a plurality of areas in a grid shape. Wherein the optical fiber layer comprises a single-layer or multi-layer structure.

With reference to the third aspect, in other implementations of the third aspect, the variation vector is a current of a circuit board in the power supply, and the detection circuit layer is a conductive line layer. The processing unit is used for determining the short circuit of the transfer circuit board of the power supply by determining the current interruption of the transfer circuit board of the power supply.

With reference to the third aspect, in still other implementations of the third aspect, the variation vector is a voltage of a relay circuit board in the power supply, and the detection circuit layer is a conductive line layer. The processing unit is used for determining the short circuit of the power supply transfer circuit board by determining the voltage of the power supply transfer circuit board.

Optionally, the processing unit is further configured to turn off an output of the power board of the power transfer circuit board.

In a fourth aspect, a computer-readable storage medium is provided. The computer readable medium stores program code for execution by a device, the program code comprising instructions for performing the method provided in the second aspect described above.

In a fifth aspect, a computer program product comprising instructions is provided. The computer program product, when run on a computer, causes the computer to perform the method provided in the second aspect described above.

In a sixth aspect, a chip is provided that includes a processor and a communication interface. The processor reads the instructions stored on the memory through the communication interface and performs the method provided in the second aspect.

Optionally, as an implementation, the chip may further include a memory. The memory has instructions stored therein, the processor being configured to execute the instructions stored thereon, the processor, when executed, being configured to perform the method provided in the second aspect described above.

Drawings

Fig. 1 is a schematic diagram of a communication device of a multi-input power panel.

Fig. 2 is a schematic structural diagram of an apparatus for detecting a short circuit of a power supply transfer circuit board according to an embodiment of the present application.

Fig. 3 is a schematic diagram of different coupling modes between a detection circuit layer and a power supply transfer circuit board according to an embodiment of the present application.

Fig. 4 is a schematic top view of a detection circuit layer according to an embodiment of the present application dividing a power supply transfer circuit board into a plurality of areas.

Fig. 5 is a schematic top view of a detection circuit layer as an optical fiber layer according to an embodiment of the present application.

Fig. 6 is a schematic top view of a detection circuit layer as a conductive line layer according to an embodiment of the present application.

Fig. 7 (a) is a schematic structural diagram of current detection through a conductive line layer according to an embodiment of the present application.

Fig. 7 (b) is a schematic structural diagram of voltage detection through a conductive line layer according to an embodiment of the present application.

Fig. 8 is a schematic flow chart of a method for detecting a short circuit of a power supply transfer circuit board according to an embodiment of the present application.

Fig. 9 is a flowchart of a specific example of a method for detecting a short circuit of a power supply transfer circuit board according to an embodiment of the present application.

Fig. 10 is a flowchart of another specific example of a method for detecting a short circuit of a power supply transfer circuit board according to an embodiment of the present application.

Fig. 11 is a flowchart of another specific example of a method for detecting a short circuit of a power supply transfer circuit board according to an embodiment of the present application.

Fig. 12 is a schematic structural diagram of a device for detecting a short circuit of a power supply transfer circuit board.

Detailed Description

The technical solutions in the present application will be described below with reference to the accompanying drawings.

As the capacity of communication products continues to evolve, the power consumption of communication devices increases dramatically, and conventional partition powering has been difficult to meet the power consumption requirements of communication devices. There is a current power supply technology of a large power supply pool, for example, a unified negative 48V power supply plane, and the negative 48V power supply of a power supply transfer circuit board is not divided into negative 48V power supply planes of different partitions, but adopts a complete single-plane negative 48V power supply.

Fig. 1 shows a schematic diagram of a large power pool device of a multiple input power strip. As shown in fig. 1, the apparatus is an example of a typical (n+n) -type large power pool apparatus. The rated power is 12KW, and the power panel module is provided with (5+5) =10 power supply units (power supply unit, PSU), each power panel is provided with an input overcurrent protection switch, and the maximum overcurrent protection value is 60 amperes. The negative 48V stabilized voltage power supply output by the power panel is combined on the power supply transfer circuit board to form the same negative 48V power supply plane, which is also called a large power supply pool plane. When the large power supply pool device is fully matched with normal work, the power supply current of each PSU is 25 to 30 amperes, the current of the power plane of the transfer circuit board in the power supply is stable and unchanged, and the large current mutation cannot occur to the total load of the power supply system.

The cause of short circuit of the transfer circuit board in the power supply of the equipment is more, such as design defects of a back board printed circuit board (printed circuit board, PCB), inverted pins of a power connector, blowing of foreign matters of a metal wire or unknown liquid entering. After the short circuit begins, the impedance between the transfer circuit board and ground in the device power supply approaches zero, and the negative 48V power supply transfer circuit board short-circuit current rises rapidly (e.g., bursts to 100 to 200 amps) in a short time. Since the device power transfer circuit board adopts a complete single-plane negative 48V power supply to supply power, the current of the sudden increase current distribution to the front 10 PSU power panel modules caused by short circuit is not too large (for example, 10 to 20 amperes), and even if the current of 25 to 30 amperes of each PSU power panel module is added when the device is fully matched, the highest current capacity (for example, 60 amperes) of the overcurrent protection switch is not exceeded. Therefore, the overcurrent protection switch of the PSU power panel module is not turned off.

Therefore, once the transfer circuit board of the equipment power supply causes short circuit between the negative 48V power supply and the ground due to external reasons, the through current of the negative 48V power supply plane of the power supply transfer circuit board can reach more than 300 amperes, and can reach 600 amperes at most, which is far greater than the maximum through current of the common partition power supply scheme.

Therefore, once the short circuit problem occurs in the circuit board of the large power supply pool power supply, the board burning problem with serious consequences can occur, and even the open fire burning safety accident can be caused.

In order to avoid the short circuit problem of the power transfer circuit board of the large power supply pool, a solution is currently available, wherein a physical mode of preventing the short circuit of the power transfer circuit board in advance is adopted when the power transfer circuit board of the large power supply pool is designed, so that the potential risk of short circuit is removed. In the development stage of product equipment, the design of the power supply transfer circuit board is subjected to active short-circuit prevention reinforcement design, for example, the design optimization of the laminated design of the backboard PCB, the maintenance of the safety distance between the power supply and the ground plane, the prevention of the exposure of the backboard PCB power supply plane, the avoidance of the installation screw holes and structural members to the backboard PCB power supply area, the addition of a protective cover on the backboard negative 48V power supply exposed copper bar, the adoption of back drilling and insulation film protection of the exposed pins of the backboard of the power supply connector, the arrangement of the inverted needle prevention of the connector terminals, the addition of the protective cover, the avoidance of foreign matters and other various reinforcement measures.

The physical mode for preventing the short circuit of the transfer circuit board of the power supply in advance can reduce the short circuit risk caused by the design defect of the PCB of the transfer circuit board of the equipment power supply and the inverted needle of the power connector to a certain extent. However, the above-mentioned technology still cannot avoid the short circuit of the PCB of the power supply transfer circuit board due to the abnormal problems such as the blowing of the foreign matters in the metal wires and the unknown liquid entering. Therefore, the problem of board burning caused by the occurrence of short circuit of the transfer circuit board in the power supply of the equipment cannot be thoroughly solved.

Based on the above reasons, the application provides equipment and a method for detecting the short circuit of the power transfer circuit board, so that the short circuit fault of the power transfer circuit board can be expected to be identified rapidly and accurately, and the open fire combustion safety accident caused by the continuous short circuit of the power transfer circuit board is avoided.

Fig. 2 shows a schematic structural diagram of an apparatus for power supply transfer circuit board short circuit detection provided in the present application. As shown in fig. 2, the apparatus for power supply transfer circuit board short circuit detection includes a power supply transfer circuit board, a detection circuit layer, and a control circuit. Although not shown, the device may also include a transceiver circuit, a memory (circuit), and the like. The power transfer circuit board may also be a back plane as described above, for obtaining power from one or more power boards and powering other boards in the device (e.g., a main control board, a cross board, a service board, a fan board, etc.). The detection circuit layer is used for detecting the change vectors of a plurality of areas of the transfer circuit board in the power supply, and the detection circuit layer can be of one-layer or multi-layer structure. The control circuit is used for determining the short circuit of the power supply transfer circuit board according to the change vector.

In the embodiment of the application, the detection circuit layer is coupled with the power supply transfer circuit board, and the power supply transfer circuit board can be divided into a plurality of areas.

Fig. 3 is a schematic diagram showing different ways of coupling the detection circuit layer and the power supply intermediate circuit board provided in the present application. As shown in fig. 3 (a), the detection circuit layer may be embedded in the power relay circuit board and become a part of the power relay circuit board newly added. As shown in fig. 3 (b), the detection circuit layer may be fixed at the bottom of the power transfer circuit board, so as to achieve the purpose of coupling with the power transfer circuit board.

Optionally, to improve the accuracy of detection, the detection circuit layer may further include a multi-layer structure. As shown in fig. 3 (c), the multi-layered structure may be embedded in different layers inside the power transfer circuit board, respectively. As shown in fig. 3 (d), the multi-layered structure may be fixed to the top and bottom of the power transfer circuit board, respectively.

It should be appreciated that although not shown, there may be other ways of coupling the detection circuit layer to the power transfer circuit board. For example, when the detection circuit layer includes a multi-layer structure, the multi-layer structure may also be partially embedded inside the power transfer circuit board, and another portion fixed outside (e.g., top, bottom, or side) the power transfer circuit board. In a word, the detection circuit layer can be coupled with the power transfer circuit board and is as close to a strain area caused by power supply short circuit as possible, so that parameter change conditions causing the power transfer circuit board short circuit are rapidly and accurately perceived, and the power transfer circuit board short circuit fault is rapidly and accurately identified.

Fig. 4 is a schematic top view of a detection circuit layer provided in the present application for dividing a power supply transfer circuit board into a plurality of areas. As shown in the solid line portion of fig. 4, the detection circuit layer may divide the power supply relay circuit board into a plurality of areas in a grid shape, so that the variation vector of the power supply relay circuit board may be maximally detected.

Optionally, to further improve the speed and accuracy of detection, the number of layers of the detection circuit layer or the density of the detection circuit layer may be increased. For example, as shown by the broken line in fig. 4, the broken line detection circuit layer is added to the existing solid line detection circuit layer, and the power supply relay circuit board is divided into a plurality of grid-shaped areas with higher density.

Fig. 5 is a schematic top view of the detection circuit layer provided in the present application as an optical fiber layer. As shown in fig. 5, when the detection circuit layer is an optical fiber layer, since it is not electrically conductive, a plurality of small mesh regions can be formed in a staggered manner in a top view. Based on a Brillouin scattering mechanism in the optical fiber, the monitoring of physical quantity around the optical fiber can be realized by utilizing an optical time domain reflectometer (optical time domain reflectometer, OTDR) technology, and the change of physical quantity parameters such as vibration, temperature, stress (deformation) and the like and the corresponding specific optical fiber position can be monitored. In the embodiment of the application, the actual temperature of the power supply transfer circuit board can be monitored by utilizing the characteristic of monitoring temperature change of optical fiber sensing, so that the short-circuit fault of the power supply transfer circuit board can be rapidly and accurately identified.

The optical fiber sensor paved on the detection circuit layer can be one or a plurality of optical fibers. The more the number of the laid optical fibers is, the higher the temperature change and the accuracy of specific places of short circuit detection of a power supply transfer circuit board are.

Specifically, when the detection circuit layer is an optical fiber layer, the optical fiber layer can monitor the actual temperature of the power transfer circuit board. At this time, the apparatus for power supply transfer circuit board short circuit detection further includes a transceiver circuit for periodically transmitting a detection pulse optical signal to the optical fiber layer, and monitoring a change in the temperature of the optical fiber by detecting scattering and/or reflection parameters of the detection pulse optical signal with reference to the rayleigh scattering principle. The scattering and/or reflection parameters of the detection pulse optical signal may include, among others, the energy of the detection pulse optical signal, the wavelength of the detection pulse optical signal, etc. When any area of the power supply intermediate transfer circuit board is short-circuited, the local circuit board is carbonized, and the temperature rises. The optical fiber layer can detect the temperature change of the power supply transfer circuit board and send the temperature change to the control circuit. The control circuit compares the temperature of the power transfer circuit board during normal operation, finds that the actual temperature of the local area is greater than the temperature of normal operation, and if the difference exceeds a preset safety threshold, the control circuit determines that the temperature rise of the local area belongs to an abnormal problem, and can quickly learn that the power transfer circuit board is shorted. According to the characteristics of optical fiber sensing, the specific optical fiber length position of the temperature rising point can be detected, and the specific temperature rising abnormal point of the power supply transfer circuit board can be accurately found based on the grid arrangement scheme of optical fiber arrangement. Further, after determining that the power transfer circuit board has a short-circuit fault, the control circuit may be further configured to turn off the power supply output of the front-stage power board of the power transfer circuit board.

According to the equipment disclosed by the application, the power transfer circuit board is divided into a plurality of areas through the optical fiber layer, whether the power transfer circuit board is in short circuit or not is determined according to the comparison result of the actual temperatures and the normal working temperatures of the plurality of areas of the power transfer circuit board, the short circuit fault of the power transfer circuit board can be rapidly and accurately identified, and the open fire combustion safety accident caused by the continuous short circuit of the power transfer circuit board is avoided.

Fig. 6 shows a schematic top view of the detection circuit layer provided in the present application as a conductive line layer.

As a possible implementation manner, in the embodiment of the present application, when the detection circuit layer is a conductive layer, as shown in fig. 5, it may be provided in a form as shown in fig. 6 (a) or 6 (b) on a single layer. Further, when the conductive line layer includes a multi-layered structure, a plurality of single layers may form a plurality of small grid areas in a top view direction, and thus, the speed and accuracy of the detection may be further improved.

The conductive wires laid on the detection circuit layer can be one or a plurality of conductive wires. The more the number of the laid conductive wires is, the higher the accuracy of the current change of the short circuit detection of the power transfer circuit board is. The conductive wire layer laid on the detection circuit layer comprises, but is not limited to, a conductive copper wire layer, a conductive silver wire layer and the like.

Fig. 7 shows a schematic structural diagram of short circuit detection through a conductive line layer provided by the present application.

As a possible implementation manner, when the detection circuit layer is a conductive wire layer, the change vector is a current of the transfer circuit board in the power supply. The control circuit may determine that the power supply transfer circuit board is shorted by determining current values for a plurality of regions of the power supply transfer circuit board. As shown in fig. 7 (a), when the power transfer circuit board works normally, the voltage value can be detected at two ends of A, B, namely, a current which works normally exists between A, B. At this time, the conductive line layer may transmit the current value between A, B to the control circuit through the electrical signal connector. When the power supply transfer circuit board is short-circuited, carbonization of the power supply transfer circuit board can cause the conductive wire to become open (the current value is 0), so that the control circuit can determine whether the power supply transfer circuit board is short-circuited according to whether the current value between A, B is 0. Further, after determining that the power transfer circuit board has a short-circuit fault, the control circuit may be further configured to turn off the power supply output of the front-stage power board of the power transfer circuit board.

According to the equipment disclosed by the application, the power transfer circuit board is divided into a plurality of areas through the conductive wire layer, whether the power transfer circuit board is in short circuit or not is determined according to the on-off of the currents of the plurality of areas of the power transfer circuit board, the short circuit fault of the power transfer circuit board can be rapidly and accurately identified, and the open fire combustion safety accident caused by the continuous short circuit of the power transfer circuit board is avoided.

As another possible implementation manner, when the detection circuit layer is a conductive wire layer, the variation vector is a voltage of the transfer circuit board in the power supply. The control circuit may determine that the power supply transfer circuit board is shorted by determining voltage values for a plurality of regions of the power supply transfer circuit board. As shown in fig. 7 (b), the voltage value can be detected at the C terminal when the power transfer circuit board is operating normally, and the voltage value at the C terminal is changed from high level 1 to low level 0 when the power transfer circuit board is short-circuited. At this time, the conductive line layer may transmit the voltage value of the C terminal to the control circuit through the electrical signal connector. The control circuit can determine whether the power supply transfer circuit board has a short circuit fault according to whether the voltage value of the C terminal is low level 0. Further, after determining that the power transfer circuit board has a short-circuit fault, the control circuit may be further configured to turn off the power supply output of the front-stage power board of the power transfer circuit board.

Fig. 8 shows a schematic flow chart of a method for detecting short circuit of a power supply transfer circuit board. As shown in fig. 8, the method includes the following two steps.

S810, detecting change vectors of a plurality of areas of a power supply transfer circuit board, wherein the power supply transfer circuit board is divided into the plurality of areas by a detection circuit.

The detection circuit layer is coupled to the power supply transfer circuit board, and the coupling manner is described with reference to fig. 3, which is not repeated here.

When the detection circuit layer comprises an optical fiber layer, the change vector can be temperature, the optical fiber layer can divide the power supply transfer circuit board into a plurality of grid-shaped areas, and the optical fiber layer can comprise a single-layer or multi-layer structure; when the detection circuit layer includes a conductive line layer, the above-mentioned change vector may be a current or a voltage, the conductive line layer may be a single-layer structure, the power supply relay circuit board may be divided into a plurality of areas in a long strip shape, the conductive line may also be a multi-layer structure, and the power supply relay circuit board may be divided into a plurality of areas in a grid shape. Wherein the conductive wire layer includes, but is not limited to, a conductive copper wire layer, a conductive silver wire layer, and the like.

S820, determining the short circuit of the power supply transfer circuit board according to the change vectors of the multiple areas of the power supply transfer circuit board.

According to the method disclosed by the application, the power supply transfer circuit board is divided into the plurality of areas through the detection circuit layer, whether the power supply transfer circuit board is in short circuit or not is determined according to the change vectors of the plurality of areas of the power supply transfer circuit board, the short circuit fault of the power supply transfer circuit board can be rapidly and accurately identified, and the open fire combustion safety accident caused by the continuous short circuit of the power supply transfer circuit board is avoided.

Fig. 9 is a flowchart illustrating a specific example of a method for detecting a short circuit of a power supply transfer circuit board. As shown in fig. 9, the method includes the following steps.

S910, acquiring the temperature Y of normal operation of a plurality of areas of the power supply transfer circuit board.

In this embodiment, the detection circuit layer is an optical fiber layer, and the variation vector is temperature. The method for obtaining the temperature Y of the power supply transfer circuit board in normal operation in a plurality of areas can be achieved in a plurality of modes, and the method is not limited in the application. For example, the temperature Y at which the plurality of areas of the power supply transfer circuit board normally operate is obtained through the detection circuit layer. For another example, the temperature Y at which a plurality of areas of the power supply relay circuit board are normally operated may be obtained.

Alternatively, the temperature Y may be a value (e.g., 40 ℃) or a range (e.g., 30-50 ℃).

S920, periodically transmitting a probe pulse optical signal to the optical fiber layer.

S930, determining the actual temperatures X of a plurality of areas of the power supply intermediate transfer circuit board according to the scattering parameters of the detection pulse optical signals.

In particular, the Rayleigh scattering principle can be referenced, and the change of the temperature of the optical fiber can be monitored by detecting the scattering and/or reflection parameters of the detection pulse optical signal. The scattering and/or reflection parameters of the detection pulse optical signal may include, among others, the energy of the detection pulse optical signal, the wavelength of the detection pulse optical signal, etc.

When any area of the power supply intermediate transfer circuit board is short-circuited, the local circuit board is carbonized, and the temperature rises. The temperature Y of the power supply transfer circuit board can be detected by the optical fiber layer and sent to the control circuit.

S940, determining whether the (X-Y) > preset value is satisfied.

Specifically, when the temperature Y of the power transfer circuit board in normal operation is compared, the actual temperature X of the local area is found to be larger than the temperature Y in normal operation, and the difference value exceeds a preset value, the temperature rise of the local area is determined to be an abnormal problem, and the occurrence of short circuit of the power transfer circuit board can be rapidly known. And when the actual temperature X of the local area is smaller than the normal working temperature Y or larger than the normal working temperature Y, but the difference value does not exceed the preset value, continuing the detection process.

Further, in the present embodiment, a specific fiber length position of the temperature rise point can be detected according to the characteristics of the fiber sensor. The specific temperature rising abnormal point of the power supply transfer circuit board can be accurately found based on the gridding arrangement scheme of the optical fiber arrangement.

S950, turning off the power supply output of the power panel of the power transfer circuit board.

When the actual temperature X of the local area is determined to be greater than the normal working temperature Y and the difference value exceeds a preset value, the short-circuit fault of the power supply transfer circuit board is determined, and the power supply output of the front-stage power panel of the power supply transfer circuit board can be turned off through the control circuit.

According to the method disclosed by the application, the power transfer circuit board is divided into the plurality of areas through the optical fiber layer, whether the power transfer circuit board is in short circuit or not is determined according to the comparison result of the actual temperatures and the normal working temperatures of the plurality of areas of the power transfer circuit board, the short circuit fault of the power transfer circuit board can be rapidly and accurately identified, and the open fire combustion safety accident caused by the continuous short circuit of the power transfer circuit board is avoided.

Fig. 10 is a flowchart illustrating another specific example of a method for detecting a short circuit of a power supply transfer circuit board provided in the present application. As shown in fig. 10, the method includes the following steps.

S1010, acquiring currents L of a plurality of areas of the power supply transfer circuit board.

In this embodiment, the detection circuit layer is a conductive line layer, and the variation vector is a current.

The specific implementation manner of obtaining the currents L in the multiple areas of the power supply transfer circuit board may refer to the description in fig. 7 (a), and will not be described herein.

S1020, it is determined whether the current l=0 is established.

Specifically, after the power supply transfer circuit board is shorted, carbonization of the power supply transfer circuit board may cause the conductive wire to become an open circuit (the current value is 0 at this time), so whether the power supply transfer circuit board is shorted may be determined according to whether the current L of the plurality of areas of the power supply transfer circuit board is 0. When the current L is not 0, continuing the detection process; when the current l=0, it is determined that the power supply transfer circuit board has a short-circuit fault.

S1030, turning off the power supply output of the power panel of the power transfer circuit board.

When the current l=0, it is determined that the power supply transfer circuit board has a short-circuit fault, and the power supply output of the front-stage power supply board of the power supply transfer circuit board can be turned off through the control circuit.

According to the method disclosed by the application, the power transfer circuit board is divided into the plurality of areas through the conductive wire layer, whether the power transfer circuit board is in short circuit or not is determined according to the on-off of the currents of the plurality of areas of the power transfer circuit board, the short circuit fault of the power transfer circuit board can be rapidly and accurately identified, and the open fire combustion safety accident caused by the continuous short circuit of the power transfer circuit board is avoided.

Fig. 11 is a flowchart illustrating another specific example of a method for detecting a short circuit of a power supply transfer circuit board provided in the present application. As shown in fig. 11, the method includes the following steps.

S1110, acquiring voltages V of a plurality of areas of the power supply transfer circuit board.

In this embodiment, the detection circuit layer is a conductive line layer, and the variation vector is a voltage.

The specific implementation manner of obtaining the voltages V of the multiple areas of the power supply transfer circuit board may refer to the description in fig. 7 (b), and will not be repeated herein for brevity.

S1120, determining whether the current v=0 is satisfied.

Specifically, whether the power supply transfer circuit board is short-circuited is determined according to whether the voltage V of the plurality of areas of the power supply transfer circuit board is 0. When the voltage V is not 0, continuing the detection process; when the voltage v=0, it is determined that the power supply transfer circuit board has a short-circuit fault.

S1130, turning off the power supply output of the power panel of the power transfer circuit board.

When the voltage v=0, it is determined that the power supply transfer circuit board has a short-circuit fault, and the power supply output of the front-stage power supply board of the power supply transfer circuit board can be turned off through the control circuit.

According to the method disclosed by the application, the power transfer circuit board is divided into the plurality of areas through the conductive wire layer, whether the power transfer circuit board is in short circuit or not is determined according to the voltage of the plurality of areas of the power transfer circuit board, the short circuit fault of the power transfer circuit board can be rapidly and accurately identified, and the open fire combustion safety accident caused by continuous short circuit of the power transfer circuit board is avoided.

It should be understood that the sequence numbers of the above processes do not mean the order of execution, and the execution order of the processes should be determined by the functions and internal logic of the processes, and should not constitute any limitation on the implementation process of the embodiments of the present application.

It is also to be understood that in the various embodiments of the application, terms and/or descriptions of the various embodiments are consistent and may be referenced to one another in the absence of a particular explanation or logic conflict, and that the features of the various embodiments may be combined to form new embodiments in accordance with their inherent logic relationships.

It will be appreciated that in the above embodiments of the present application, the method implemented by the device may also be implemented by a component (e.g. a chip or a circuit) that may be configured inside the device.

According to the embodiment of the application, the functional modules of the equipment for detecting the short circuit of the power supply transfer circuit board can be divided according to the method example. For example, each functional module may be divided corresponding to each function, or two or more functions may be integrated in one processing module. The integrated modules may be implemented in hardware or in software functional modules. It should be noted that, in the embodiment of the present application, the division of the modules is schematic, which is merely a logic function division, and other division manners may be implemented in actual implementation. The following description will take an example of dividing each functional module into corresponding functions.

The apparatus involved in any of the above-described methods 800 to 1100 may be implemented by the apparatus 200 for power supply transfer circuit board short detection shown in fig. 2.

It should be understood that the device 200 for detecting a short circuit of a power supply intermediate circuit board may be a physical device, or may be a component of a physical device, or may be a functional module in a physical device.

As shown in fig. 2, the apparatus 200 for detecting a short circuit of a power supply transit circuit board includes a detection circuit layer, a power supply transit circuit board, and a control circuit. Although not shown, the device 200 may also include transceiver circuitry, memory circuitry, and the like.

The control circuit may store, among other things, execution instructions for performing the methods of embodiments of the present application. Alternatively, the control circuit may invoke an interface to implement the receive and transmit functions. The interface may be a logical interface or a physical interface, which is not limited. For example, the interface may be a transceiver circuit, or an interface circuit. The transceiver circuitry, or interface circuitry, for implementing the receive and transmit functions may be separate or may be integrated. The transceiver circuit or the interface circuit may be used for reading and writing codes/data, or the transceiver circuit or the interface circuit may be used for transmitting or transferring signals. The control circuit may also be referred to as a controller, processor, etc. for implementing the processing functions.

Alternatively, the interface may be implemented by a transceiver circuit. For example, the device 200 also includes transceiver circuitry. The transceiver circuit may be referred to as a transceiver unit, a transceiver module, a transmission module, a transceiver, or a transceiver, etc. for implementing a transceiver function.

Optionally, the device 200 further comprises a memory circuit. The specific deployment location of the storage circuit is not specifically limited in the embodiments of the present application, and the storage circuit may be integrated in the processing circuit, or may be independent from the processing circuit. In the case where the device 200 does not include memory circuitry, the device 200 may be provided with processing functionality, and the memory circuitry may be deployed in other locations (e.g., a cloud system). The memory circuit may also be referred to as a memory or the like for implementing a memory function.

The control circuit, the transceiver circuit and the memory circuit communicate with each other through an internal connection path to transmit control and/or data signals.

When the control circuit is a processor, the storage circuit is a memory, and the transceiver circuit is a transceiver, in some embodiments, the memory may store execution instructions for performing the methods of embodiments of the present application. The processor may execute instructions stored in the memory to perform steps performed by the methods described above in conjunction with other hardware (e.g., a transceiver), and specific operational procedures and advantages may be found in the description of the method embodiments described above.

The method disclosed by the embodiment of the application can be applied to a processor or realized by the processor. The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the method may be performed by integrated logic circuitry in hardware in a processor or by instructions in software. The processor may be a general purpose processor, a digital signal processor (digital signal processor, DSP), an application specific integrated circuit (application specific integrated circuit, ASIC), an off-the-shelf programmable gate array (field programmable gate array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. The general purpose processor may be a microprocessor or any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a memory medium well known in the art such as random access memory (random access memory, RAM), flash memory, read-only memory (ROM), programmable read-only memory, or electrically erasable programmable memory, registers, and the like. The storage medium is located in a memory, and the processor reads instructions from the memory and, in combination with its hardware, performs the steps of the method described above.

It will be appreciated that the memory can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The nonvolatile memory may be a read-only memory ROM, a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a random access memory RAM, which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), and direct memory bus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

Fig. 12 is a schematic structural diagram showing a device for detecting a short circuit of a power supply transfer circuit board.

Alternatively, the specific form of the apparatus 1200 for detecting a short circuit of the power supply intermediate circuit board may be a general purpose computer device or a chip in the general purpose computer device, which is not limited in the embodiment of the present application. As shown in fig. 12, the device for detecting a short circuit of a power transfer circuit board includes a processing unit 1210 and a transceiver unit 1220.

For example, the processing unit 1210 is configured to detect a change vector detection circuit layer of a plurality of areas of the power supply relay circuit board coupled to the power supply relay circuit board. The processing unit 1210 is further configured to determine that the power supply transit circuit board is shorted according to the change vectors of the plurality of areas of the power supply transit circuit board.

Alternatively, the transceiving unit 1220 may be used to perform steps S910 and S920 described in fig. 9, step S1010 described in fig. 10, and step S1110 described in fig. 11. The processing unit 1210 may be used to perform steps S930 and S940 described in fig. 9, steps S1020 and S1030 described in fig. 10, and steps S1120 and S1130 described in fig. 11.

It should be appreciated that when the apparatus 1200 for detecting a short circuit of a power supply and/or a circuit board performs the method described in any of fig. 8 or 11, the transceiver unit 1220 in the apparatus 1200 for detecting a short circuit of a power supply and/or a circuit board may be implemented through a communication interface (such as a transceiver or an input/output interface), and the processing unit 1210 in the apparatus 1200 for detecting a short circuit of a power supply and/or a circuit board may be implemented through at least one control circuit, for example, may correspond to the control circuit shown in fig. 2.

It should also be understood that the specific process of each unit performing the corresponding steps is already described in detail in the above method embodiments, and will not be repeated here.

In addition, in the present application, the apparatus 1200 for power supply transfer circuit board short detection is presented in the form of a functional module. A "module" herein may refer to an application specific integrated circuit ASIC, an electronic circuit, a processor and memory that execute one or more software or firmware programs, an integrated logic circuit, and/or other devices that can provide the described functionality. In a simple embodiment, one skilled in the art will recognize that the apparatus 1200 may take the form shown in FIG. 12. The processing unit may be implemented by a control circuit as shown in fig. 2. Alternatively, if the computer device shown in fig. 2 includes a storage circuit, the processing unit may be implemented by a control circuit (or processor) and a storage circuit (or memory). The transceiving unit may be implemented by a transceiving circuit (or transceiver). The transceiver circuitry (or transceiver) includes a receive function and a transmit function. In particular, the control circuit (or processor) is implemented by executing a computer program stored in a memory. Alternatively, when the apparatus 1200 is a chip, then the functions and/or implementation procedures of the transceiver unit may also be implemented by pins or circuits, etc. Alternatively, the storage circuit (or memory) may be a storage unit in the chip, such as a register, a cache, or the like, and the storage unit may also be a storage unit located outside the chip in the computer device, or may also be a storage unit disposed in another system or device, which is not in the computer device. Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

Various aspects or features of the present application can be implemented as a method, apparatus, or article of manufacture using standard programming and/or engineering techniques. The term "article of manufacture" as used herein encompasses a computer program accessible from any computer-readable device, carrier, or media. For example, computer-readable media can include, but are not limited to, magnetic storage devices (e.g., hard disk, floppy disk, or magnetic strips, etc.), optical disks (e.g., compact disk, CD, digital versatile disk, digital versatile disc, DVD, etc.), smart cards, and flash memory devices (e.g., erasable programmable read-only memory, EPROM), cards, sticks, or key drives, etc. Additionally, various storage media described herein can represent one or more devices and/or other machine-readable media for storing information. The term "machine-readable medium" can include, without being limited to, wireless channels and various other media capable of storing, containing, and/or carrying instruction(s) and/or data.

According to the method provided by the embodiment of the application, the application further provides a computer program product. The computer program product comprises: computer program code which, when run on a computer, causes the computer to perform the method of any of the embodiments shown in fig. 8 to 11.

According to the method provided by the embodiment of the application, the application further provides a computer readable medium. The computer readable medium stores program code which, when run on a computer, causes the computer to perform the method of any of the embodiments shown in fig. 8 to 11.

According to the method provided by the embodiment of the application, the application further provides a system. Which comprises the aforementioned apparatus or device.

The above-described embodiments may be implemented in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), or the like.

As used in this specification, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, a component may be, but is not limited to being, a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of illustration, both an application running on a computing device and the computing device can be a component. One or more components may reside within a process and/or thread of execution and a component may be localized on one computer and/or distributed between two or more computers. Furthermore, these components can execute from various computer readable media having various data structures stored thereon. The components may communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from two components interacting with one another in a local system, distributed system, and/or across a network such as the internet with other systems by way of the signal).

It should also be understood that the term "and/or" is merely an association relationship describing the associated object, meaning that three relationships may exist, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

It should be further understood that the numerals "first," "second," etc. are merely introduced in embodiments of the present application to distinguish between different objects, such as different information, devices, or units. An understanding of specific objects and correspondence between different objects should be determined by its function and internal logic, and should not constitute any limitation on the implementation of the embodiments of the present application.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.

In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An apparatus for power supply transfer circuit board short circuit detection, comprising:

The power supply transfer circuit board is used for obtaining power from a power panel and supplying power to other single boards in the equipment;

the detection circuit layer is used for detecting the change vectors of a plurality of areas of the power supply transfer circuit board and is coupled with the power supply transfer circuit board;

and the control circuit is used for determining the short circuit of the power supply transfer circuit board according to the change vector.

2. The apparatus of claim 1, wherein the change vector is an actual temperature of a circuit board in the power supply, the detection circuit layer is an optical fiber layer,

the apparatus further comprises transceiver circuitry for periodically transmitting a probe pulse optical signal to the optical fiber layer,

the optical fiber layer is specifically used for determining the actual temperatures of a plurality of areas of the power supply intermediate transfer circuit board according to the scattering parameters of the detection pulse optical signals.

3. The apparatus of claim 2, wherein the transceiver circuit is further configured to obtain a temperature at which the power transfer circuit board is operating normally;

the control circuit is specifically used for determining the short circuit of the power supply transfer circuit board according to the actual temperature of the power supply transfer circuit board and the normal working temperature of the power supply transfer circuit board.

4. A device according to claim 2 or 3, wherein the transceiver circuit is further configured to receive first information from the optical fiber layer, the first information being indicative of actual temperatures of a plurality of areas of the power supply transfer circuit board.

5. The apparatus of any one of claims 2 to 4, wherein the optical fiber layer divides the power transfer circuit board into a plurality of areas in a grid shape.

6. The apparatus of any one of claims 2 to 5, wherein the optical fiber layer comprises a single layer or a multilayer structure.

7. The apparatus of claim 1, wherein the change vector is a current of a circuit board in the power supply,

the detection circuit layer is a conductive wire layer,

the control circuit is specifically configured to determine that the power supply transfer circuit board is shorted by determining current values of a plurality of areas of the power supply transfer circuit board.

8. The device of claim 7, further comprising transceiver circuitry for receiving second information from the conductive line layer, the second information being indicative of current values for a plurality of areas of the power supply transfer circuit board.

9. The apparatus of claim 1, wherein the change vector is a voltage of a circuit board in the power supply,

the detection circuit layer is a conductive wire layer,

the control circuit is specifically used for determining the short circuit of the power supply transfer circuit board by determining the voltage values of a plurality of areas of the power supply transfer circuit board.

10. The device of claim 9, further comprising transceiver circuitry for receiving third information from the conductive line layer, the third information being indicative of voltage values for a plurality of areas of the power supply transfer circuit board.

11. The device of any one of claims 7 to 10, wherein the conductive line layer comprises a single layer structure.

12. The apparatus of any one of claims 7 to 10, wherein the conductive line layer comprises a multi-layer structure that divides the power plane into a plurality of areas in a grid shape.

13. The apparatus of any one of claims 7 to 12, wherein the conductive wire layer comprises a conductive copper wire layer.

14. The apparatus of any one of claims 1 to 13, wherein the control circuit is further configured to turn off an output of the power panel.

15. A method for detecting a short circuit of a power supply transfer circuit board, comprising:

detecting the change vectors of a plurality of areas of a power supply transfer circuit board, wherein the power supply transfer circuit board is divided into the plurality of areas by a detection circuit layer, and the detection circuit layer is coupled with the power supply transfer circuit board;

and determining that the power supply transit circuit board is short-circuited according to the change vectors of the multiple areas of the power supply transit circuit board.

16. The method of claim 15, wherein the change vector is an actual temperature of a circuit board in the power supply, the detection circuit layer is an optical fiber layer,

the detection of the change vector of a plurality of areas of the transfer circuit board in the power supply comprises the following steps:

periodically transmitting a probe pulse optical signal to the optical fiber layer;

and determining the actual temperatures of a plurality of areas of the power supply intermediate transfer circuit board according to the scattering parameters of the detection pulse optical signals.

17. The method of claim 16, wherein determining that the power transfer circuit board is shorted based on the vector of changes in the plurality of regions of the power transfer circuit board comprises:

acquiring the normal working temperature of the power supply transfer circuit board;

And determining the short circuit of the power supply transfer circuit board according to the actual temperature of the power supply transfer circuit board and the normal working temperature of the power supply transfer circuit board.

18. The method of any one of claims 15 to 17, wherein the optical fiber layer divides the power transfer circuit board into a plurality of areas in a grid shape.

19. The method of any one of claims 15 to 18, wherein the optical fiber layer comprises a single layer or a multilayer structure.

20. The method of claim 15, wherein the variation vector is a current of a circuit board in the power supply, the detection circuit layer is a conductive wire layer,

the determining, according to the change vectors of the multiple areas of the power supply transfer circuit board, that the power supply transfer circuit board is shorted includes:

and determining that the power supply transit circuit board is short-circuited by determining the current interruption of the power supply transit circuit board.

21. The method of claim 15, wherein the variation vector is a voltage across a circuit board in the power supply, the detection circuit layer is a conductive line layer,

And determining the short circuit of the power supply transfer circuit board by determining the voltage of the power supply transfer circuit board.

22. The method of claim 20 or 21, wherein the conductive line layer comprises a single layer structure.

23. The method of claim 20 or 21, wherein the conductive line layer comprises a multi-layer structure that divides the power transfer circuit board into a plurality of grid-like regions.

24. The method of any one of claims 20 to 23, wherein the conductive wire layer comprises a conductive copper wire layer.

25. The method according to any one of claims 15 to 24, further comprising:

and turning off the output of the power panel of the power transfer circuit board.

26. A device for detecting a short circuit of a power supply transfer circuit board, comprising:

the processing unit is used for detecting the change vectors of a plurality of areas of the power supply transfer circuit board, and the detection circuit layer is coupled with the power supply transfer circuit board;

and the processing unit is also used for determining the short circuit of the power supply transfer circuit board according to the change vectors of the multiple areas of the power supply transfer circuit board.

27. A chip comprising a processor and a communication interface through which the processor reads instructions stored on a memory, performing the method of any one of claims 15 to 25.