CN113791679B - Embedded mainboard system with self-starting function and method - Google Patents
Embedded mainboard system with self-starting function and method Download PDFInfo
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- CN113791679B CN113791679B CN202111156524.6A CN202111156524A CN113791679B CN 113791679 B CN113791679 B CN 113791679B CN 202111156524 A CN202111156524 A CN 202111156524A CN 113791679 B CN113791679 B CN 113791679B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 24
- 230000017525 heat dissipation Effects 0.000 claims description 18
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
Abstract
The invention relates to the field of mainboard systems, in particular to an embedded mainboard system with a self-starting function and a method thereof. Loosen the locker during use, the shell is rotated in the slip for rotate the post and slide to the circular slot, then rotate and rotate the shell 180, slide once more and rotate the post to the spacing inslot, locker and switch contact this moment, thereby can open the switch then control self-starting module and measuring head function, make can carry out abundant protection to the measuring head through shell and rotation shell, improve whole mainboard system's life.
Description
Technical Field
The present invention relates to the field of motherboard systems, and in particular, to an embedded motherboard system having a self-booting function and a method thereof.
Background
An embedded motherboard is generally understood to be a CPU board embedded in a device for control and data processing, i.e. the "brain" of the device. Embedded into a device, there are some strict requirements on the size and power consumption of the motherboard (heat dissipation problem of the embedded motherboard).
The embedded mainboard is also commonly used in the field of temperature detection to detect the temperature, and the existing embedded mainboard system for temperature detection has weak protection capability and is easy to damage in the using process.
Disclosure of Invention
The invention aims to provide an embedded mainboard system with a self-starting function and a method thereof, aiming at better protecting the mainboard system and prolonging the service life.
In order to achieve the above object, the present invention provides an embedded motherboard system and method with a self-starting function, including a self-starting module, a motherboard and a support assembly, where the support assembly includes a housing, a rotating shell and a locker, the housing has a limiting groove and a circular groove, the circular groove is communicated with the limiting groove, the rotating shell includes a rotating column, a shell, a switch, a measuring head and a support column, the rotating column is rotatably connected with the rotating shell and is located in the circular groove, the shell is fixedly connected with the rotating column and is located in the housing, the support column is fixedly connected with the shell and is located in the shell, the motherboard is fixedly connected with the support column and is located in the shell, the measuring head is fixedly connected with the shell and is located at one side of the shell, the switch is located at one side of the shell far from the measuring head, the self-starting module is connected with the switch and the mainboard, and the locker is arranged on one side of the shell.
The supporting component further comprises a supporting spring, and the supporting spring is arranged in the limiting groove.
The supporting assembly further comprises a protection pad, and the protection pad is arranged in the shell and located on one side, far away from the circular groove, of the shell.
The supporting assembly further comprises a first rotating plate and a second spring, the first rotating plate is connected with the shell in a rotating mode and located on one side of the protection pad, and the second spring is arranged between the first rotating plate and the shell.
The support assembly further comprises a heating panel and a cooling fan, the heating panel is arranged on one side of the mainboard, the cooling fan is arranged on one side of the heating panel, and cooling holes are formed in one side, close to the cooling fan, of the shell.
The automatic starting module comprises a gyroscope circuit, a temperature measuring module, a power supply module, a timing module and a storage module, the gyroscope circuit is connected with the switch, the power supply module is connected with the switch, the temperature measuring module is connected with the gyroscope circuit, the timing module is connected with the gyroscope circuit, and the storage module is connected with the temperature measuring module.
The gyroscope circuit comprises resistors R1-R3, capacitors C1-C5 and a processor U1, one end of the capacitor C1 serves as an input end of the circuit, the other end of the capacitor C1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to one ends of a resistor R3 and capacitors C2-C3, the other end of the capacitor C3 is connected to one end of a resistor R2 and a pin 2 of the processor U1, the other end of the capacitor C2 is connected to one end of a resistor R2 and a pin 1 of the processor U1, a pin 4 and a pin 5 of the processor U1 are respectively connected to one ends of the capacitors C4-C5, the other ends of the resistor R3, the capacitors C4-C5 and a pin 3 of the processor U1 are all grounded, and the pin 1 of the processor U1 serves as an output end of the circuit.
In a second aspect, the present invention further provides a method for starting an embedded motherboard system with a self-starting function, including: rotating the rotating shell and sliding the rotating shell to open the switch so that the power supply module supplies power;
the gyroscope circuit is started to detect the moving state;
when the movement is detected, the temperature measuring module is driven to work;
the timing module is used for timing data interruption time generated by the gyroscope, and the temperature measurement module is closed when the specified time is reached;
the storage module stores the temperature data.
The invention relates to an embedded mainboard system with a self-starting function and a method thereof, wherein a circular groove is communicated with a limiting groove, a rotating column is rotationally connected with a rotating shell and is positioned in the circular groove, so that the rotating column can freely rotate in the circular groove, and can slide along the limiting groove after rotating to a specified position, at the moment, the rotating column cannot rotate due to shape limitation, a shell is fixedly connected with the rotating column and is positioned in a shell, the shell can rotate or slide along with the rotating column, a supporting column is fixedly connected with the shell and is positioned in the shell, a mainboard is fixedly connected with the supporting column and is positioned in the shell, the mainboard is installed in the shell through the supporting column, a measuring head is fixedly connected with the shell and is positioned at one side of the shell, the measuring head mainly comprises infrared detector, can carry out temperature detection, the switch sets up the casing is kept away from one side of measuring head, the self-starting module with the switch is connected, and with the mainboard connection, the locker sets up one side of shell, the switch can touch the locker and open, then control the self-starting module is opened. When the rotating shell is used, the rotating shell is completely placed in the shell, and the locking device is matched with the shell on the rotating shell for positioning. The self-starting module with the measuring head is in the closed state, when needing to use, loosens the locker, slides the rotation shell makes the rotation post slides in the circular slot, then rotates rotation shell 180, slides once more the rotation post arrives the spacing inslot, this moment the locker with the switch contact to can open the switch then control the self-starting module with the measuring head function, the self-starting module can be opened under the circumstances of detecting the removal the measuring head carries out work, thereby it is more energy-conserving, makes can pass through the shell with it is right to rotate the shell the measuring head carries out abundant protection, and it is more convenient to use simultaneously, improves whole mainboard system's life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of an embedded motherboard system with self-booting function according to the present invention;
FIG. 2 is a left side block diagram of an embedded motherboard system and method with self-booting function according to the present invention;
FIG. 3 is a bottom structure diagram of an embedded motherboard system and method with self-booting function according to the present invention;
FIG. 4 is a schematic longitudinal sectional view of an embedded motherboard system with self-booting function according to the present invention;
FIG. 5 is an enlarged partial view of detail A of FIG. 4;
FIG. 6 is a schematic cross-sectional view of an embedded motherboard system with self-booting function according to the present invention;
FIG. 7 is a block diagram of the autostart module of the present invention;
FIG. 8 is a circuit diagram of a gyroscope of the present invention;
fig. 9 is a flowchart of a booting method of an embedded motherboard system with a self-booting function according to the present invention.
The device comprises a 1-self-starting module, a 2-main board, a 3-supporting component, a 11-gyroscope circuit, a 12-temperature measuring module, a 13-power supply module, a 14-timing module, a 15-storage module, a 31-shell, a 32-rotating shell, a 33-locker, a 34-supporting spring, a 35-protection pad, a 36-first rotating plate, a 37-second spring, a 38-heat dissipation plate, a 39-heat dissipation fan, a 311-limiting groove, a 312-circular groove, a 313-limiting rod, a 321-rotating column, a 322-shell, a 323-switch, a 324-measuring head, a 325-supporting column, a 331-locking block and a 332-locking spring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 8, in a first aspect, the present invention provides an embedded motherboard system with a self-booting function:
including self-starting module 1, mainboard 2 and supporting component 3, supporting component 3 includes shell 31, rotates shell 32 and locker 33, shell 31 has spacing groove 311 and circular groove 312, circular groove 312 with spacing groove 311 communicates, it includes rotation post 321, casing 322, switch 323, measuring head 324 and support column 325 to rotate shell 32, rotate post 321 with it rotates to rotate shell 32 and is connected, and is located in circular groove 312, casing 322 with rotate post 321 fixed connection, and be located in shell 31, support column 325 with casing 322 fixed connection, and be located in casing 322, mainboard 2 with support column 325 fixed connection, and be located in casing 322, measuring head 324 with casing 322 fixed connection, and be located one side of casing 322, switch 323 sets up one side that casing 322 keeps away from measuring head 324, the self-starting module 1 is connected with the switch 323 and the main board 2, and the locker 33 is disposed at one side of the housing 31.
In this embodiment, the circular groove 312 is communicated with the limiting groove 311, the rotating post 321 is rotatably connected with the rotating shell 32 and is located in the circular groove 312, so that the rotating post 321 can freely rotate in the circular groove 312, and can slide along the limiting groove 311 after rotating to a specified position, and is not rotatable due to shape limitation, the housing 322 is fixedly connected with the rotating post 321 and is located in the shell 31, the housing 322 can rotate or slide along with the rotating post 321, the supporting post 325 is fixedly connected with the housing 322 and is located in the housing 322, the main board 2 is fixedly connected with the supporting post 325 and is located in the housing 322, the main board 2 is installed in the housing 322 through the supporting post 325, and the measuring head 324 is fixedly connected with the housing 322, the measuring head 324 is mainly composed of an infrared detector and can detect temperature, the switch 323 is arranged on the side of the housing 322 far away from the measuring head 324, the self-starting module 1 is connected with the switch 323 and the main board 2, the lock 33 is arranged on one side of the shell 31, and the switch 323 can touch the lock 33 to be opened and then control the self-starting module 1 to be opened. In use, the rotating shell 32 is placed completely within the outer shell 31 and is positioned by the engagement of the lock 33 with the outer shell 31 on the rotating shell 32. The self-starting module and the measuring head 324 are in a closed state, when the self-starting module and the measuring head 324 are required to be used, the locking device 33 is released, the rotating shell 32 is slid, the rotating column 321 is made to slide into the circular groove 312, then the rotating shell 32 is rotated to 180 degrees, the rotating column 321 is made to slide into the limiting groove 311 again, at the moment, the locking device 33 is in contact with the switch 323, so that the switch 323 can be opened, then the self-starting module 1 and the measuring head 324 are controlled to operate, the self-starting module 1 can be started to work by the measuring head 324 under the condition that the movement is detected, energy is saved, the measuring head 324 can be fully protected by the shell 31 and the rotating shell 32, the use is more convenient, and the service life of the whole mainboard 2 system is prolonged.
Further, the supporting component 3 further includes a supporting spring 34, and the supporting spring 34 is disposed in the limiting groove 311.
In this embodiment, by providing the supporting spring 34, the rotating column 321 can be automatically pushed into the circular groove 312 after the locker is released, so that the use is more convenient.
Further, the support assembly 3 further includes a protection pad 35, and the protection pad 35 is disposed in the housing 31 and is located on a side of the housing 31 far away from the circular groove 312.
In this embodiment, the measuring head 324 is protected by the protection pad 35, so that the measuring head 324 is prevented from entering foreign matters and being damaged.
Further, the support assembly 3 further includes a first rotating plate 36 and a second spring 37, the first rotating plate 36 is rotatably connected to the housing 31 and is located at one side of the protection pad 35, and the second spring 37 is disposed between the first rotating plate 36 and the housing 31.
In this embodiment, after the rotating column 321 slides into the circular groove 312, the first rotating plate 36 can push the rotating shell 32 to automatically rotate out a part under the support of the second spring 37, so that the rotating shell 32 can be rotated more conveniently.
Further, the shell 31 has a limiting rod 313, and the limiting rod 313 is disposed on a side of the shell 31 close to the shell 322.
In this embodiment, when the rotating case 32 is rotated out for use, the rotating post 321 and the limiting groove need to be accurately aligned for convenient sliding, and therefore, the limiting rod 313 is provided to limit the rotating position of the housing 322, so that the sliding can be more convenient.
Further, the locking device 33 includes a locking piece 331 and a locking spring 332, the rotating housing has a locking slot, the locking piece 331 is slidably connected to the housing 31 and passes through the housing 31, and the locking spring 332 is disposed between the locking piece 331 and the housing 31.
In this embodiment, the locking spring 332 supports the locking piece 331, so that after the housing 322 is moved to a corresponding position, the locking piece 331 can enter a corresponding slot on the housing 322, and thus the position of the housing 322 can be limited.
Further, the support assembly 3 further includes a heat dissipation plate 38 and a heat dissipation fan 39, the heat dissipation plate 38 is disposed on one side of the motherboard 2, the heat dissipation fan 39 is disposed on one side of the heat dissipation plate 38, and a heat dissipation hole is disposed on one side of the housing 322 close to the heat dissipation fan 39.
In this embodiment, the heat dissipation plate 38 is provided to better dissipate heat from the motherboard 2, and then the heat is dissipated from the heat dissipation hole by the heat dissipation fan 39, so that the motherboard 2 operates more stably.
Further, the self-starting module comprises a gyroscope circuit 11, a temperature measuring module 12, a power supply module 13, a timing module 14 and a storage module 15, the gyroscope circuit 11 is connected with the switch 323, the power supply module 13 is connected with the switch 323, the temperature measuring module 12 is connected with the gyroscope circuit 11, the timing module 14 is connected with the gyroscope circuit 11, and the storage module 15 is connected with the temperature measuring module 12.
In this embodiment, the switch 323 controls the power supply module 13 to be turned on or off, the whole system can only work after the switch 323 is turned on, the gyroscope circuit 11 receives a signal generated by the gyroscope to detect whether the whole system is moving to determine whether the whole system is in use, when the whole system is moving, that is, when the gyroscope outputs, the whole system can be determined to be in use, then the temperature measurement module 12 can be driven to work, the timing module 14 detects the continuity of data generated by the gyroscope, the temperature measurement module 12 is turned off if the gyroscope does not output data within a specified time, and the storage module 15 can store temperature measurement data.
Further, the gyroscope circuit 11 includes resistors R1 to R3, capacitors C1 to C5, and a processor U1, one end of the capacitor C1 serves as an input end of the circuit, the other end of the capacitor C1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to one ends of a resistor R3 and capacitors C2 to C3, the other end of the capacitor C3 is connected to one end of a resistor R2 and a pin 2 of the processor U1, the other end of the capacitor C2 is connected to one end of a resistor R2 and a pin 1 of the processor U1, a pin 4 and a pin 5 of the processor U1 are respectively connected to one ends of capacitors C4 to C5, the other ends of the resistor R3, the capacitors C4 to C5 and a pin 3 of the processor U1 are all grounded, and the pin 1 of the processor U56 serves as an output end of the circuit 1.
In a second aspect, referring to fig. 9, the present invention further provides a method for starting an embedded motherboard system with a self-starting function, including:
s101 rotates the rotating case 32 and slides the rotating case 32 to turn on the switch 323, so that the power supply module 13 supplies power;
the switch 323 controls the on/off of the power supply module 13, and the whole system can work only after the switch 323 is turned on.
S102, starting the gyroscope circuit 11 to detect the moving state;
the gyro circuit 11 receives a signal generated by a gyro to detect whether the entire system is moving to judge whether it is in use, and can judge that it is in use when it is moving, that is, when the gyro has an output.
S103, when the movement is detected, the temperature measuring module 12 is driven to work;
s104, the timing module 14 times the data interruption time generated by the gyroscope, and the temperature measuring module 12 is closed when the specified time is reached;
the timing module 14 detects the continuity of the data generated by the gyroscope, and turns off the temperature measuring module 12 if the gyroscope has no data output within a specified time.
S105 the storage module 15 stores the temperature data.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An embedded motherboard system with self-starting function is characterized in that,
the automatic measurement device comprises a self-starting module, a main board and a supporting component, wherein the supporting component comprises a shell, a rotating shell and a locker, the shell is provided with a limiting groove and a circular groove, the circular groove is communicated with the limiting groove, the rotating shell comprises a rotating column, a shell, a switch, a measurement head and a supporting column, the rotating column is rotatably connected with the rotating shell and is positioned in the circular groove, the shell is fixedly connected with the rotating column and is positioned in the shell, the supporting column is fixedly connected with the shell and is positioned in the shell, the main board is fixedly connected with the supporting column and is positioned in the shell, the measurement head is fixedly connected with the shell and is positioned on one side of the shell, the switch is arranged on one side of the shell, the self-starting module is connected with the switch and is connected with the main board, the locker is arranged on one side of the shell, the supporting component further comprises a supporting spring, the supporting spring is arranged in the limiting groove, the self-starting module comprises a gyroscope circuit, a temperature measuring module, a power supply module, a timing module and a storage module, the gyroscope circuit is connected with the switch, the power supply module is connected with the switch, the temperature measuring module is connected with the gyroscope circuit, the timing module is connected with the gyroscope circuit, the storage module is connected with the temperature measuring module, the rotating column rotates in the circular groove and slides along the limiting groove after rotating to a specified position, at the moment, the rotating column cannot rotate due to shape limitation, the shell rotates or slides along the rotating column, the switch touches the lock to open, then the self-starting module is controlled to open, the rotating shell is completely placed in the shell and is positioned through the matching of the lock and the shell on the rotating shell, the self-starting module and the measuring head are in a closed state, the lock is released when the self-starting module and the measuring head are used, the rotating shell is slid, the rotating column slides into the circular groove, then the rotating shell is rotated to 180 degrees, the rotating column slides into the limiting groove again, at the moment, the lock is in contact with the switch, the switch is turned on, then the self-starting module and the measuring head are controlled to operate, and the supporting spring automatically pushes the rotating column into the circular groove after the lock is released.
2. An embedded motherboard system with self-starting function as recited in claim 1,
the supporting component further comprises a protection pad, and the protection pad is arranged in the shell and is positioned on one side, far away from the circular groove, of the shell.
3. An embedded motherboard system with self-starting function as recited in claim 2,
the supporting component further comprises a first rotating plate and a second spring, the first rotating plate is connected with the shell in a rotating mode and located on one side of the protection pad, and the second spring is arranged between the first rotating plate and the shell.
4. An embedded motherboard system with self-starting function as recited in claim 3,
the support assembly further comprises a heat dissipation plate and a heat dissipation fan, the heat dissipation plate is arranged on one side of the mainboard, the heat dissipation fan is arranged on one side of the heat dissipation plate, and heat dissipation holes are formed in one side, close to the heat dissipation fan, of the shell.
5. An embedded motherboard system with self-starting function as recited in claim 1,
the gyroscope circuit comprises resistors R1-R3, capacitors C1-C5 and a processor U1, one end of a capacitor C1 serves as an input end of the circuit, the other end of a capacitor C1 is connected to one end of a resistor R1, the other end of the resistor R1 is connected to one ends of a resistor R3 and capacitors C2-C3, the other end of the capacitor C3 is connected to one end of a resistor R2 and a pin 2 of the processor U1, the other end of the capacitor C2 is connected to one end of a resistor R2 and a pin 1 of the processor U1, a pin 4 and a pin 5 of the processor U1 are respectively connected to one ends of the capacitors C4-C5, the other ends of the resistor R3, the capacitors C4-C5 and a pin 3 of the processor U1 are grounded, and the pin 1 of the processor U1 serves as an output end of the circuit.
6. A starting method of an embedded mainboard system with a self-starting function, which is applied to the embedded mainboard system with the self-starting function in claim 1,
the method comprises the following steps: rotating the rotating shell and sliding the rotating shell to open the switch so that the power supply module supplies power;
the gyroscope circuit is started to detect the moving state;
when the movement is detected, the temperature measuring module is driven to work;
the timing module is used for timing data interruption time generated by the gyroscope circuit, and the temperature measurement module is closed when the specified time is reached;
the storage module stores the temperature data.
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| CN202111156524.6A CN113791679B (en) | 2021-09-29 | 2021-09-29 | Embedded mainboard system with self-starting function and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111156524.6A CN113791679B (en) | 2021-09-29 | 2021-09-29 | Embedded mainboard system with self-starting function and method |
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| CN113791679B true CN113791679B (en) | 2022-04-19 |
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| CN211786918U (en) * | 2020-04-23 | 2020-10-27 | 中力恒丰(深圳)科技有限公司 | Mainboard protection device and mainboard thereof |
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| US10986429B2 (en) * | 2019-01-31 | 2021-04-20 | Linktel Technologies Co., Ltd | All-in-one converter using a low-speed optical module on a high-speed switch |
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| EP2819021A1 (en) * | 2012-04-16 | 2014-12-31 | ZTE Corporation | Wireless communication terminal |
| CN104460884A (en) * | 2014-11-26 | 2015-03-25 | 英业达科技有限公司 | Server |
| CN205750691U (en) * | 2016-05-18 | 2016-11-30 | 深圳市七彩虹禹贡科技发展有限公司 | A kind of mainboard protection device and mainboard thereof |
| CN209643209U (en) * | 2018-10-19 | 2019-11-15 | 南京驰鸿新能源科技有限公司 | A kind of power mainboard control device |
| CN211741979U (en) * | 2020-03-19 | 2020-10-23 | 深圳市九鼎创展科技有限公司 | Mainboard drive protection device |
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| CN113791679A (en) | 2021-12-14 |
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Denomination of invention: An embedded motherboard system and method with self starting function Effective date of registration: 20231211 Granted publication date: 20220419 Pledgee: Guanlan Sub Branch of Shenzhen Rural Commercial Bank Co.,Ltd. Pledgor: SHENZHEN ITZR TECHNOLOGY Co.,Ltd. Registration number: Y2023980070687 |