CN216434917U - Automatic switching device for server faults - Google Patents
Automatic switching device for server faults Download PDFInfo
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- CN216434917U CN216434917U CN202123111794.3U CN202123111794U CN216434917U CN 216434917 U CN216434917 U CN 216434917U CN 202123111794 U CN202123111794 U CN 202123111794U CN 216434917 U CN216434917 U CN 216434917U
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Abstract
The utility model provides a server fault automatic switching device, which comprises a matrix switching mainboard, a service terminal and at least two server mainboards; the server mainboard comprises a standby mainboard; the matrix switching mainboard is provided with a control chip, a detection module and a switching module; the detection module is connected with the server mainboard; the control chip is respectively connected with the detection module and the switching module; the server main board and the standby main board are connected with the service terminal through the switching module. The detection module is used for detecting voltage signals and temperature signals of the server mainboard and inputting the voltage signals and the temperature signals into the control chip, the control chip compares the received signals with a built-in storage pre-stored value, and when voltage or temperature is abnormal, switching signals are output to the switching module to flexibly switch the server mainboard and a channel of the service terminal to the standby mainboard.
Description
Technical Field
The utility model relates to a server reliability design technical field, concretely relates to server trouble automatic switching control equipment.
Background
Because the integration level of the existing electronic control equipment is increased, a plurality of server units are integrated in the electronic control equipment, each computing unit corresponds to a corresponding operating position, and a certain operating position corresponds to a server unit and causes a problem, so that a peripheral interface, an operating system and application service are stopped, the operation cannot be continued, the operation stability of the electronic control equipment is seriously influenced, for example, in the existing automobile field, the electronic control equipment is a highly integrated circuit board, if one server has a problem, the driving can be influenced, great potential safety hazards exist, and great loss is caused.
With the rapid development of cloud computing technology and the rapid development of hot backup technology, how to automatically switch a peripheral interface to a backup blade server by combining an intelligent matrix switching technology and realize rapid recovery of services and operations is a problem to be solved at present.
Disclosure of Invention
To how to combine intelligent matrix switching technique with peripheral hardware interface automatic switch to backup blade server on, realize the problem that business and operation recover fast, the utility model provides a server trouble automatic switching control equipment.
The technical scheme of the utility model is that:
the technical scheme of the utility model provides a server fault automatic switching device, including matrix switching mainboard, service terminal and at least two server mainboards; the server mainboard comprises a standby mainboard;
the matrix switching mainboard is provided with a control chip, a detection module and a switching module;
the detection module is connected with the server mainboard; the control chip is respectively connected with the detection module and the switching module;
the server main board and the standby main board are connected with the service terminal through the switching module.
Preferably, any two server main boards form an operation unit, wherein any one of the two server main boards in each operation unit is a spare main board;
and the two server main boards in each operation unit are connected with the service terminal through the switching module.
Preferably, the detection module comprises a voltage sensor and a temperature sensor; and the voltage sensor and the temperature sensor are respectively connected with the control chip.
Preferably, the switching module comprises a relay and a driving circuit connected with the relay;
the service terminal is respectively connected with the server mainboard and the standby mainboard through the relay;
the control chip is connected with the drive circuit.
Preferably, in each operating unit, the relay comprises a first relay; the driving circuit comprises a first triode and a first buffer, the control chip is connected with a first NOT gate through the first buffer, the first NOT gate is connected with a base electrode of the first triode, a collector electrode of the first triode is connected to a first end of a first relay coil, and a second end of the first relay coil is connected with a first power supply; the control chip is connected with the first buffer; the emitter of the first triode is grounded;
a common contact of the first relay is connected to the service terminal, a normally closed contact of the first relay is connected to the server mainboard, and a normally open contact of the first relay is connected to the standby mainboard.
Preferably, when the device comprises a server mainboard a, a server mainboard B and a standby mainboard, the service terminal comprises a service terminal a and a service terminal B; the server mainboard A, the server mainboard B and the standby mainboard are respectively connected with the service terminal A and the service terminal B through the switching circuit.
Preferably, the detection module comprises a first detection module, a second detection module and a third detection module; the first detection module, the second detection module and the third detection module are respectively connected with the control chip;
the first detection module comprises a first voltage sensor and a first temperature sensor which are connected with the server mainboard A; the second detection module comprises a second voltage sensor and a second temperature sensor which are connected with the server mainboard B; the third detection module comprises a third voltage sensor connected with the standby mainboard;
the first voltage sensor, the first temperature sensor, the second voltage sensor, the second temperature sensor and the third voltage sensor are respectively connected with the control chip.
Preferably, the first detection module is connected with a first input port of the control chip, and the control chip outputs control information through a first output port according to information input by the first detection module;
the second detection module is connected with a second input port of the control chip, and the control chip outputs control information through a second output port according to information input by the second detection module;
the third detection module is connected with a third input port of the control chip, and the control chip outputs control information through a third output port according to information input by the third detection module;
the relay comprises a second relay and a third relay; the driving circuit comprises a second triode and a third triode;
a base electrode of the second triode is connected with an output end of a second NOT gate, an input end of the second NOT gate is connected with an output end of a first OR gate, a first input end of the first OR gate is connected with a first output port of the control chip through a second buffer, a second input end of the first OR gate is connected with a third output port of the control chip through a third buffer, a collector electrode of the second triode is connected to a first end of a second relay coil, a second end of the second relay coil is connected with a second power supply, and an emitter electrode of the second triode is grounded;
a base electrode of the third triode is connected with an output end of a third NOT gate, an input end of the third NOT gate is connected with an output end of a second OR gate, a first input end of the second OR gate is connected with an output end of a third buffer, a second input end of the second OR gate is connected with a second output port of the control chip through a fourth buffer, a collector electrode of the third triode is connected to a first end of a third relay coil, a second end of the third relay coil is connected to a second power supply, and an emitter electrode of the third triode is grounded;
the service terminal A is connected with a common contact of a second relay, a normally closed contact of the second relay is connected with the server mainboard A, and a normally open contact of the second relay is connected with a normally open contact of a third relay and then connected with the standby mainboard;
and the service terminal B is connected with a common contact of a third relay, and a normally closed contact of the third relay is connected with a server mainboard B.
Preferably, the device also comprises a storage module and a switching mainboard;
the storage module and the exchange mainboard are respectively connected with the server mainboard and the standby mainboard.
Preferably, the service terminal comprises a circuit module consisting of a keyboard, a mouse, a display and a serial port;
according to the technical scheme, the utility model has the advantages of it is following: the health state of the server mainboard in operation is detected to display, the interface circuit module switches hardware signals according to the received instruction, and switching of various operation modes can be achieved. When a plurality of server mainboards are used, which server mainboard can be flexibly selected as a backup mainboard.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Therefore, compared with the prior art, the utility model has the outstanding substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic connection block diagram of an apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of an apparatus according to another embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of an apparatus according to yet another embodiment of the present invention.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an automatic server failure switching device, which includes a matrix switching motherboard 8, a service terminal, and at least two server motherboards; the server mainboard comprises a standby mainboard 6;
the matrix switching mainboard 8 is provided with a control chip 801, a detection module 802 and a switching module 803;
the detection module 802 is connected with a server mainboard; the control chip 801 is respectively connected with the detection module 802 and the switching module 803;
the server motherboard and the standby motherboard are connected to the service terminal through the switching module 803.
The detection module is used for detecting voltage signals and temperature signals of the server mainboard and inputting the voltage signals and the temperature signals into the control chip, the control chip compares the received signals with a built-in storage pre-stored value, and when voltage or temperature is abnormal, switching signals are output to the switching module to switch the server mainboard and a channel of the service terminal to the standby mainboard.
As shown in fig. 2, an embodiment of the present invention provides an automatic server failure switching apparatus, which includes a matrix switching motherboard 8, a service terminal, and at least two server motherboards; the server mainboard comprises a standby mainboard 6;
the matrix switching mainboard 8 is provided with a control chip 801, a detection module 802 and a switching module 803;
the detection module 802 is connected with a server mainboard; the control chip 801 is respectively connected with the detection module 802 and the switching module 803;
the server motherboard and the standby motherboard are connected to the service terminal through the switching module 803.
The detection module is used for detecting voltage signals and temperature signals of the server mainboard and inputting the voltage signals and the temperature signals into the control chip, the control chip compares the received signals with a built-in storage pre-stored value, and when voltage or temperature is abnormal, switching signals are output to the switching module to switch the server mainboard and a channel of the service terminal to the standby mainboard.
Any two server main boards form an operation unit, wherein one of the two server main boards in each operation unit is selected as a standby main board;
and the two server main boards in each operation unit are connected with the service terminal through the switching module.
The switching module 803 includes a relay and a driving circuit connected to the relay;
the service terminal is respectively connected with the server mainboard and the standby mainboard through the relay;
the control chip 801 is connected to the drive circuit.
The control chip outputs a control signal to control the on-off of the drive circuit so that the relay acts to switch channels.
In each operation unit, or when the apparatus includes a server main board and a standby main board, the relay includes a first relay K1; the driving circuit comprises a first triode Q1 and a first buffer U2, the control chip 801 is connected with a first NOT gate U1 through a first buffer U2, a first NOT gate U1 is connected with the base electrode of a first triode Q1, the collector electrode of the first triode Q1 is connected with the first end of a first relay K1 coil, and the second end of the first relay K1 coil is connected with a first power supply VDD 1; the emitter of the first triode Q1 is grounded;
the common contact of the first relay K1 is connected to a service terminal, the normally closed contact of the first relay K1 is connected to a server main board, and the normally open contact of the first relay K1 is connected to a standby main board.
When the server mainboard normally works, the service terminal is communicated with the server mainboard through the relay normally closed contact, when the control chip judges that the information of the server mainboard that the detection module detected is abnormal, output fault signal low level is to the buffer, low level signal is through the base of first NOT gate U1 output high level to first triode Q1, first triode Q1 switches on, first relay sees coil power connection, first relay action makes public contact and normally open contact be connected, the route of disconnection service terminal and server mainboard, put through service terminal and reserve mainboard route. After the fault of the server mainboard is repaired, the control chip receives a normal signal detected by the detection module, outputs a low level to Q1 through the first NOT gate, so that Q1 is cut off, and the service terminal is communicated with the server mainboard through the connection of the first relay common contact and the normally closed contact.
The detection module comprises a voltage sensor and a temperature sensor; the voltage sensor and the temperature sensor are connected to the control chip 801.
As shown in fig. 3, an embodiment of the present invention provides an automatic switching device for server faults, where when the automatic switching device includes a matrix switching motherboard 8, a server motherboard a, a server motherboard B, and a standby motherboard 6, a service terminal includes a service terminal a and a service terminal B; the server main board A, the server main board B and the standby main board 6 are respectively connected with the service terminal A and the service terminal B through the switching circuit.
The detection module comprises a first detection module, a second detection module and a third detection module; the first detection module, the second detection module and the third detection module are respectively connected with the control chip;
the first detection module comprises a first voltage sensor and a first temperature sensor which are connected with the server mainboard A; the second detection module comprises a second voltage sensor and a second temperature sensor which are connected with the server mainboard B; the third detection module comprises a third voltage sensor connected with the standby mainboard;
the first voltage sensor, the first temperature sensor, the second voltage sensor, the second temperature sensor and the third voltage sensor are respectively connected with the control chip.
The first detection module is connected with a first input port of the control chip, and the control chip outputs control information through a first output port according to information input by the first detection module;
the second detection module is connected with a second input port of the control chip, and the control chip outputs control information through a second output port according to information input by the second detection module;
the third detection module is connected with a third input port of the control chip, and the control chip outputs control information through a third output port according to information input by the third detection module;
the relays include a second relay K2 and a third relay K3; the driving circuit comprises a second triode Q2 and a third triode Q3;
the base electrode of the second triode Q2 is connected with the output end of a second not gate U11, the input end of the second not gate U11 is connected with the output end of a first or gate U12, the first input end of the first or gate U12 is connected with the first output port of the control chip 801 through a second buffer U13, the second input end of the first or gate U12 is connected with the third output port of the control chip 801 through a third buffer U33, the collector electrode of the second triode Q2 is connected to the first end of the second relay K2 coil, the second end of the second relay K2 coil is connected with a second power supply 2, and the emitter electrode of the second triode Q2 is grounded;
the base electrode of the third triode Q3 is connected with the output end of a third not gate U21, the input end of the third not gate U21 is connected with the output end of a second or gate U22, the first input end of the second or gate U22 is connected with the output end of a third buffer U33, the second input end of the second or gate U22 is connected with the second output port of the control chip 801 through a fourth buffer U23, the collector electrode of the third triode Q3 is connected to the first end of a coil of a third relay K3, the second end of the coil of the third relay K3 is connected to a second power supply VDD2, and the emitter electrode of the third triode Q3 is grounded;
the service terminal A is connected with a common contact of a second relay K2, a normally closed contact of the second relay K2 is connected with the server mainboard A, and a normally open contact of a second relay K2 is connected with a normally open contact of a third relay K3 and then connected with the standby mainboard 6;
and the service terminal B is connected with the common contact of the third relay K3, and the normally closed contact of the third relay K3 is connected with the server mainboard B.
When the standby main board is in normal work, the service terminal A is communicated with the server main board A, the service terminal B is communicated with the server main board B, at the moment, the third detection module detects that the interface voltage of the standby main board is in a low level, the output ends of the second OR gate and the third OR gate output high levels, the low levels are output to the triodes which are correspondingly connected through the corresponding NOT gates, and the triodes are in a cut-off state; when the first detection module detects that the server mainboard A has a fault, the control chip outputs a low-level fault signal to the second buffer U13, when the third detection module detects that the standby mainboard does not work, the control chip outputs a low-level signal to the fourth buffer U33, the low-level signal of the second buffer and the low-level signal of the fourth buffer are input to the first OR gate, the first OR gate outputs a low level to the base electrode of the second triode Q2 through the second NOT gate, when the second triode Q2 is conducted, the coil of the second relay is connected with the power supply, namely, the relay acts to connect the common contact of the second relay with the normally open contact of the second relay, so that the path between the service terminal A and the standby mainboard 6 is connected, when the second detection module detects that the server mainboard B has a fault, because the third detection module detects that the standby mainboard 6 is in a working state, the input end of the second OR gate inputs the level and the low level signal respectively, the second OR gate outputs the high level, the low level is output to the third triode through the third NOT gate, the third triode is cut off, the standby main board can not switch channels even if another main board fails at the moment of working, and at the moment, the standby main board can be designed to be connected with the alarm module through the control chip for alarm prompt. And after the server mainboard is repaired, automatically switching back to the original path. It should be noted that the third detection module is configured to detect a voltage of a port of the standby motherboard, where the port is used to link with the service terminal, so as to determine whether the standby motherboard operates.
In some embodiments, the apparatus further comprises a memory module 7 and a switch board 3;
the storage module 7 and the exchange mainboard 3 are respectively connected with the server mainboard and the standby mainboard 6.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The automatic server fault switching device is characterized by comprising a matrix switching main board, a service terminal and at least two server main boards; the server mainboard comprises a standby mainboard;
the matrix switching mainboard is provided with a control chip, a detection module and a switching module;
the detection module is connected with the server mainboard; the control chip is respectively connected with the detection module and the switching module;
the server main board and the standby main board are connected with the service terminal through the switching module.
2. The automatic server failure switching device according to claim 1, wherein any two server motherboards form one operating unit, and any one of the two server motherboards in each operating unit is a standby motherboard;
and the two server main boards in each operation unit are connected with the service terminal through the switching module.
3. The server automatic failover apparatus according to claim 1, wherein the detection module comprises a voltage sensor and a temperature sensor; and the voltage sensor and the temperature sensor are respectively connected with the control chip.
4. The server fault automatic switching device according to claim 2, wherein the switching module includes a relay and a driving circuit connected to the relay;
the service terminal is respectively connected with the server mainboard and the standby mainboard through the relay;
the control chip is connected with the drive circuit.
5. The server fail-over apparatus according to claim 4, wherein the relay comprises a first relay; the driving circuit comprises a first triode and a first buffer, the control chip is connected with a first NOT gate through the first buffer, the first NOT gate is connected with a base electrode of the first triode, a collector electrode of the first triode is connected to a first end of a first relay coil, and a second end of the first relay coil is connected with a first power supply; the control chip is connected with the first buffer; the emitter of the first triode is grounded;
a common contact of the first relay is connected to the service terminal, a normally closed contact of the first relay is connected to the server mainboard, and a normally open contact of the first relay is connected to the standby mainboard.
6. The automatic server failure switching device according to claim 1, wherein when the device includes a server motherboard a, a server motherboard B, and a standby motherboard, the service terminals include a service terminal a and a service terminal B; the server mainboard A, the server mainboard B and the standby mainboard are respectively connected with the service terminal A and the service terminal B through the switching circuit.
7. The automatic server failure switching device according to claim 6, wherein the detection module comprises a first detection module, a second detection module and a third detection module; the first detection module, the second detection module and the third detection module are respectively connected with the control chip;
the first detection module comprises a first voltage sensor and a first temperature sensor which are connected with the server mainboard A; the second detection module comprises a second voltage sensor and a second temperature sensor which are connected with the server mainboard B; the third detection module comprises a third voltage sensor connected with the standby mainboard;
the first voltage sensor, the first temperature sensor, the second voltage sensor, the second temperature sensor and the third voltage sensor are respectively connected with the control chip.
8. The automatic server failure switching device according to claim 7, wherein the first detection module is connected to a first input port of the control chip, and the control chip outputs control information through a first output port according to information input by the first detection module;
the second detection module is connected with a second input port of the control chip, and the control chip outputs control information through a second output port according to information input by the second detection module;
the third detection module is connected with a third input port of the control chip, and the control chip outputs control information through a third output port according to information input by the third detection module;
the relay comprises a second relay and a third relay; the driving circuit comprises a second triode and a third triode;
a base electrode of the second triode is connected with an output end of a second NOT gate, an input end of the second NOT gate is connected with an output end of a first OR gate, a first input end of the first OR gate is connected with a first output port of the control chip through a second buffer, a second input end of the first OR gate is connected with a third output port of the control chip through a third buffer, a collector electrode of the second triode is connected to a first end of a second relay coil, a second end of the second relay coil is connected with a second power supply, and an emitter electrode of the second triode is grounded;
a base electrode of the third triode is connected with an output end of a third NOT gate, an input end of the third NOT gate is connected with an output end of a second OR gate, a first input end of the second OR gate is connected with an output end of a third buffer, a second input end of the second OR gate is connected with a second output port of the control chip through a fourth buffer, a collector electrode of the third triode is connected to a first end of a third relay coil, a second end of the third relay coil is connected to a second power supply, and an emitter electrode of the third triode is grounded;
the service terminal A is connected with a common contact of a second relay, a normally closed contact of the second relay is connected with the server mainboard A, and a normally open contact of the second relay is connected with a normally open contact of a third relay and then connected with the standby mainboard;
and the service terminal B is connected with a common contact of a third relay, and a normally closed contact of the third relay is connected with the server mainboard B.
9. The server automatic switching device for the fault of the server according to claim 1, wherein the device further comprises a storage module and a switching main board;
the storage module and the exchange mainboard are respectively connected with the server mainboard and the standby mainboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123111794.3U CN216434917U (en) | 2021-12-10 | 2021-12-10 | Automatic switching device for server faults |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123111794.3U CN216434917U (en) | 2021-12-10 | 2021-12-10 | Automatic switching device for server faults |
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| CN216434917U true CN216434917U (en) | 2022-05-03 |
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| CN202123111794.3U Active CN216434917U (en) | 2021-12-10 | 2021-12-10 | Automatic switching device for server faults |
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