Large-size server circuit board

Abstract

The utility model belongs to the technical field of circuit boards, and particularly relates to a large-size server circuit board, which comprises a PCB (printed circuit board), a CPU (central processing unit) placement area arranged on the PCB, a memory placement area, an expansion port and a fixing hole arranged on the PCB and used for fixing the PCB, an electric energy storage element and a warning lamp are electrically connected onto the PCB or a control circuit layer, and the warning lamp is connected with the electric energy storage element in series. The electric energy storage element works after the PCB is powered off, the PCB is provided with a control circuit layer, the outer side of the fixing hole is provided with a power-on circuit, the power-on circuit is open in a normal state, the power-on circuit is closed when the PCB is fixed in the server, the multiple power-on circuits are connected in parallel and in series in a circuit of the electric energy storage element and the warning lamp, and the power-on circuit comprises an electrode II and an electrode I; the first electrode and the second electrode are provided with segmentation layers. According to the utility model, whether the mainboard fixing nails are completely detached or not can be improved by an operator through the warning lamp, so that a large-size circuit board is protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit board, specifically relates to a large -size server circuit board. BACKGROUND

[0002] Server mainboard is one of the key components in server hardware. Its main function is to connect and support other hardware components in the server, such as processors, memories, storage devices, etc., so as to realize data processing and signal transmission.

[0003] For larger size servers, the mainboard is mostly irregular, and the overall size is larger, so more screws are needed to ensure the stability of the mainboard installation.

[0004] Therefore, when the server mainboard is disassembled, due to the large size of the mainboard and the large number of surface electronic components, it is easy to miss the disassembly of the screw, and the mainboard is damaged during disassembly. INVENTION CONTENTS

[0005] The utility model aims at providing a large -size server circuit board, can realize through warning light promotion operator mainboard fixed nail whether complete disassembly, to this realizes the protection of large -size circuit board.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A large -size server circuit board, including PCB board, CPU depositing area, memory depositing area, extension port set on the PCB board, the fixed hole for fixing the PCB board is opened on the PCB board, the PCB board or control circuit layer is electrically connected with the storage electric element, warning light, the warning light and the storage electric element are connected in series, the storage electric element works after the PCB board is powered off;

[0008] The PCB board is provided with a control circuit layer, the fixed hole outside is provided with a power supply circuit, the power supply circuit is open in normal state, the power supply circuit is always connected when the PCB board is fixed in the server.

[0009] A plurality of power supply circuits are connected in parallel and connected in series in the circuit of the storage electric element and the warning light.

[0010] The power supply circuit includes electrode two, electrode one, the electrode one and electrode two are provided with a partition layer, the electrode one and electrode two are open in normal state, the electrode one and the conductive contact are electrically connected with the control circuit layer.

[0011] The top of the electrode one and the electrode two is provided with not less than one conductive contact, and the conductive contact is a tin ball.

[0012] The control circuit layer can be separated from the PCB and arranged in a server case.

[0013] The utility model discloses the technical effect achieved is:

[0014] The utility model discloses when the screw in each fixed hole is all removed, the split layer between electrode one and conductive contact, make in open circuit state, warning lamp and the circuit that stores electric energy element group are in open circuit state, warning lamp extinguishes to this, remind operating personnel to can remove mainboard. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure schematic diagram of A area of the utility model Figure 1 in it;

[0017] Figure 3 It is the structure schematic diagram of B area of the utility model Figure 1 in it.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 1, PCB board;2, CPU arrangement area;3, memory arrangement area;4, extension port;5, control circuit layer;6, store electric energy element;7, warning lamp;8, electrode one;9, conductive contact;10, electrode two;11, split layer;12, fixed hole. DETAILED DESCRIPTION

[0020] In order to make the purpose and the advantage of the utility model more clear and obvious, the following is combined with embodiment to the utility model specific description.It should be understood, the following text only uses to describe the utility model one or several specific implementation ways, and does not strictly limit the protection scope of the utility model specific request.

[0021] Example one:

[0022] As Figures 1-3 Shown, a large size server circuit board, including PCB board 1, set up on the CPU arrangement area 2 of PCB board 1, memory arrangement area 3, extension port 4, open in the fixed hole 12 for fixing PCB board 1 on PCB board 1, and the electric connection of PCB board 1 has store electric energy element 6, warning lamp 7, warning lamp 7 and store electric energy element 6 are in series, and store electric energy element 6 works after the power off of PCB board 1;

[0023] PCB board 1 is provided with control circuit layer 5, and the fixed hole 12 outside is provided with power supply circuit, and the power supply circuit is open in normal state, and the power supply circuit is always on when PCB board 1 is fixed in the server.

[0024] The plurality of power supply lines are connected in parallel and in series in the circuit of the storage power element 6 and the warning light 7.

[0025] Further, the PCB board 1 is connected with the server through screw and threaded hole adaptation fixation, and the side close to the PCB board 1 of the screw is provided with a conductive layer.

[0026] Further, when the screw contacts the power supply line outside the fixing hole 12, the power supply line is in a pass-through state.

[0027] Further, the control circuit layer 5 is provided with a conductive line.

[0028] Further, the storage power element 6 can be a battery or a capacitor.

[0029] Further, the storage power element 6 works when the PCB board 1 is powered off, and when all the power supply lines are in a pass-through state, the storage power element 6 drives the warning light 7 to emit light.

[0030] According to the above structure, when the screw on the mainboard is not completely removed, one of the power supply lines is in a pass-through state, which causes the warning light 7 to emit light continuously, thereby reminding the operator that the screw on the mainboard is not completely removed.

[0031] Referring to the accompanying drawings Figure 3 The power supply line includes the electrode two 10 and the electrode one 8, the electrode one 8 and the electrode two 10 are provided with a partition layer 11, the electrode one 8 and the electrode two 10 are in an open circuit state in a normal state, and the electrode one 8 and the conductive contact 9 are electrically connected with the control circuit layer 5.

[0032] Further, when the screw is adapted to the threaded hole of the case, the screw contacts the conductive contact 9 on the electrode one 8 and the electrode two 10, so that the electrode one 8 and the conductive contact 9 are in an electrically connected state.

[0033] Further, the electrode two 10 and the electrode one 8 are arranged outside the fixing hole 12 and are fixedly connected with the PCB board 1.

[0034] According to the above structure, when the screw in each fixing hole 12 is removed, the electrode one 8 and the conductive contact 9 are in an open circuit state due to the partition layer 11 therebetween, at this time, the circuit composed of the warning light 7 and the storage power element 6 is in an open circuit state, and at this time, the warning light 7 is extinguished, thereby reminding the operator to remove the mainboard.

[0035] Referring to the accompanying drawings Figure 3 The top of the electrode one 8 and the electrode two 10 is provided with not less than one conductive contact 9, and the conductive contact 9 is a tin ball.

[0036] Further, the added conductive contact 9 can avoid the direct contact between the screw and the surface of the PCB 1, thus avoiding the surface abrasion of the PCB 1.

[0037] Further, the tin ball can be deformed and abraded when the screw is over-tightened, thus having good conductivity.

[0038] Embodiment two:

[0039] The control circuit layer 5 is separated from the PCB 1 and is arranged in the server case, the power storage element 6 and the warning light 7 are electrically connected to the control circuit layer 5, the control circuit layer 5 is composed of a plurality of conductive strips, one end of the conductive strip is electrically connected to the electrode one 8 and the electrode two 10, and the other end is connected in series with the power storage element 6 and the warning light 7, and the plurality of conductive strips are connected in parallel.

[0040] When the control circuit layer 5 is installed in the case, the control circuit layer 5 can connect the screw connection points through the conductive strips, realize the installation of the circuit, make the control circuit layer 5 adapt to the mainboards of different specifications, thus increasing the adaptability of the control circuit layer 5 and reducing the production cost of the PCB 1.

[0041] When the control circuit layer 5 is installed in the case, the control circuit layer 5 is electrically connected to the PCB 1 through the electric control port.

[0042] The working principle of the utility model is as follows: when the screw on the mainboard is not completely removed, there is a power-on circuit in the passage state, thus causing the warning light 7 to continuously emit light, so as to remind the operator that the screw on the mainboard is not completely removed.

[0043] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and decorations can be made without departing from the principle of the utility model, and these improvements and decorations should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A large-size server circuit board, comprising a PCB board (1), a CPU placement area (2), a memory placement area (3), and an expansion port (4) disposed on the PCB board (1), and a fixing hole (12) opened on the PCB board (1) for fixing the PCB board (1), characterized in that: The PCB board (1) or control circuit layer (5) is connected with a power storage element (6) and a warning light (7), the warning light (7) is connected in series with the power storage element (6), and the power storage element (6) works after the PCB board (1) is powered off. The PCB board (1) is provided with a control circuit layer (5), the fixed hole (12) is provided with a power supply circuit outside, the power supply circuit is open in a normal state, and the power supply circuit is always connected when the PCB board (1) is fixed in a server.

2. The large-sized server wiring board according to claim 1, wherein: A plurality of power supply circuits are connected in parallel and connected in series in the circuit of the power storage element (6) and the warning light (7).

3. The large-sized server wiring board according to claim 1, wherein: The power supply circuit comprises an electrode two (10) and an electrode one (8), the electrode one (8) and the electrode two (10) are provided with a partition layer (11), the electrode one (8) and the electrode two (10) are open in a normal state, and the electrode one (8) and a conductive contact (9) are connected with the control circuit layer (5).

4. The large-sized server wiring board according to claim 3, wherein: The top of the electrode one (8) and the electrode two (10) is provided with not less than one conductive contact (9), and the conductive contact (9) is a tin ball.

5. The large-sized server wiring board according to claim 1, wherein: The control circuit layer (5) can be separated from the PCB board (1) and arranged in a server case.

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