CN213368000U - Set-top box hard disk protection device - Google Patents
Set-top box hard disk protection device Download PDFInfo
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- CN213368000U CN213368000U CN202021878030.XU CN202021878030U CN213368000U CN 213368000 U CN213368000 U CN 213368000U CN 202021878030 U CN202021878030 U CN 202021878030U CN 213368000 U CN213368000 U CN 213368000U
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Abstract
The utility model provides a set-top box hard disk protection device, which comprises a main power supply and a set-top box mainboard, and also comprises a switching circuit, an auxiliary power supply and a control module; the control module is respectively connected with the main power supply and the auxiliary power supply, the main power supply and the auxiliary power supply are connected to the set top box mainboard, a power supply detection unit is arranged in the switching circuit, and when the power supply detection unit detects that the main power supply provides power, the main power supply is connected with the set top box mainboard through the switching circuit; when the power detection unit detects that the main power supply is powered off, the auxiliary power supply is connected with the set top box mainboard through the switching circuit. The utility model discloses a set up auxiliary power source and use with the main power source cooperation, when the main power source was shut down owing to the abnormity such as maloperation or power failure, start auxiliary power source and protect for equipment such as hard disk to reduce the plant maintenance cost, promote user experience.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a STB hard disk protection device.
[ background of the invention ]
The single-edition set-top box is provided with a large-capacity hard disk (such as a mechanical hard disk or a solid state hard disk), information such as a resource list (song library information and the like) needs to be read when the set-top box is started every time, and once the hard disk or the list information is abnormal, the equipment works abnormally or the starting time is increased. In actual use, due to the use habit and the fact that a user is not the owner of the device, the shutdown of the set-top box is not normal, and therefore the risk of hard disk data abnormity is increased. According to normal specifications, the hard disk needs to be shut down through a software process when the hard disk is shut down, but the 220V power supply of the adapter is actually and often directly disconnected (a power strip switch or a master switch is directly closed), so that the hard disk is suddenly powered off when data is written into the hard disk, data errors can be slightly caused, and files need to be repaired; and in severe cases, can cause damage to the hard disk. Although the hard disk has a certain protection, the hard disk is far from enough, the number of times of protection is limited (or the hard disk with the protection is purchased, the cost is increased), and the maintenance cost is higher after the hard disk is damaged.
[ Utility model ] content
The to-be-solved technical problem of the utility model lies in providing a STB hard disk protection device, reduces the probability that the hard disk damaged to avoid the unable normal use of STB.
The utility model discloses a realize like this: a set-top box hard disk protection device comprises a main power supply, a set-top box mainboard, a switching circuit, an auxiliary power supply and a control module; the control module is respectively connected with the main power supply and the auxiliary power supply, and the main power supply and the auxiliary power supply are connected to the set top box mainboard through the switching circuit.
Further, the auxiliary power supply comprises a charging circuit, an energy storage module and a voltage conversion circuit, the main power supply is connected to the charging circuit, the charging circuit is connected to the energy storage module, the energy storage module is connected to the voltage conversion circuit, and the voltage conversion circuit is connected to the switching circuit; the control module is respectively connected with the charging circuit, the energy storage module and the voltage conversion circuit.
Further, the energy storage module is a super capacitor, a lithium battery or a polymer battery.
Further, the control module comprises an MCU and a CPU, the CPU is connected to the MCU, and the MCU is respectively connected with the auxiliary power supply and the main power supply.
Furthermore, a charging control circuit is arranged in the MCU and connected with the charging circuit, and when the charging control circuit detects that the energy storage module is not fully charged, the charging circuit is opened; and when the charging control circuit detects that the energy storage module is full, the charging circuit is closed.
Further, a discharge control circuit is arranged in the MCU, the discharge control circuit is connected with the voltage conversion circuit, and when the discharge control circuit detects that the energy storage module meets a preset discharge condition, the voltage conversion circuit is opened; otherwise, the voltage conversion circuit is closed.
The utility model has the advantages that: the utility model discloses a STB hard disk protection device uses through setting up auxiliary power source and main power source cooperation, when the main power source because the maloperation or when shutting down unusually such as having a power failure, starts auxiliary power source and protects for equipment such as hard disk to reduce the plant maintenance cost, promote user experience, include because hard disk data damage, lead to the start at every turn and need retrieve file information again and produce the list again (retrieval file information and production list need 5 ~ 15 minutes). Through the utility model discloses a probability that the hard disk damaged can be reduced to the structure, the unable normal use of STB is avoided.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the set-top box hard disk protection device of the present invention.
[ detailed description ] embodiments
The embodiment of the utility model provides a through providing a STB hard disk protection device, solved among the prior art abnormal closed STB, lead to the technical problem of the hard disk damage in the STB, realized reducing the trouble that the hard disk damaged to avoid the unable normal use of STB technical effect.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows:
as shown in fig. 1, the control device includes: the system comprises a main power supply 1, a charging circuit 41, an energy storage module 42, a voltage conversion circuit 43, a switching circuit 3, a set-top box mainboard 2, a control module 5 and an interactive interface.
The main power supply 1 is a default power supply input of the system, and the control module 5 needs to detect whether the main power supply 1 is turned on or not in the running process of the system.
The charging circuit 41, the energy storage module 42 and the voltage conversion circuit 43 form an auxiliary power supply 4 (a standby power supply), and when the main power supply 1 is turned off, the switching circuit 3 detects that the main power supply 1 is powered off, and turns on the auxiliary power supply 4 to supply power.
The charging circuit 41 provides charging current for the energy storage module 42, so as to store electric energy.
The energy storage module 42 is a medium for storing energy, and may be a super capacitor, a lithium battery, a polymer battery, a nickel-hydrogen or nickel-cadmium rechargeable battery, and the like, and is preferably a super capacitor.
The voltage conversion circuit 43 converts the 3V-7.5V voltage released by the energy storage module 42 to the 11V voltage required by the set-top box main board 2, thereby ensuring the system operation.
The switching circuit 3 realizes the switching power supply of the main power supply 1 and the auxiliary power supply 4.
The set-top box mainboard 2 is connected with the main power supply 1 or the auxiliary power supply 4, and the power supply provided by the main power supply 1 or the auxiliary power supply 4 provides power for each module on the set-top box mainboard 2.
The control module 5 comprises a single chip microcomputer (MCU51) and a CPU52, the single chip microcomputer realizes the state and control execution of the bottom layer, the CPU52 realizes the man-machine interaction, and the control module 5 realizes the functions comprising: the method comprises the steps of voltage detection of a main power supply 1, state control of a charging circuit 41, state detection of an energy storage module 42, state control of a conversion module, and state display and man-machine interaction of each module of the main power supply 1 and an auxiliary power supply 4. The state detection and control refinement functions of the control module 5 on the auxiliary power supply 4 comprise: charging time limitation, automatic cycle charging, overvoltage protection, overcurrent protection, low-voltage indication and the like (through software control), and stable and reliable work of the auxiliary power supply 4 system is ensured.
The interactive interface comprises a display device, an indicator light, a mouse, a keyboard and other human-computer interactive interfaces, the interactive interface is connected with the control module 5, and the control module 5 controls the information received by the interactive interface to be processed.
When the computer is started: the single chip microcomputer MCU51 in the control module 5 detects that the main power supply 1 is turned on, and the charging control circuit 511 in the MCU51 judges whether the charging circuit 41 is turned on according to the energy storage condition of the energy storage module 42. If the charging control circuit 511 detects that the energy storage module 42 is fully charged, the charging circuit 41 is turned off, otherwise, the charging circuit 41 is turned on. The discharge control circuit 512 in the MCU51 determines whether to turn on the voltage conversion circuit 43 according to the energy storage condition of the energy storage module 42. When the discharge control circuit 512 detects that the energy storage module 42 meets the preset discharge condition, the voltage conversion circuit 43 is turned on, otherwise, the voltage conversion circuit 43 is turned off. For example, when the power voltage in the energy storage module 42 must be charged to 6.8V, the energy storage module 42 is discharged once and the power provided by the CPU52 is sufficient for completing the protection of the hard disk, the data reading, and the peripheral device, and the charging of the energy storage module 42 to 6.8V is used as a condition for turning on the voltage conversion circuit 43.
When abnormal power failure occurs: the MCU51 of the control module 5 detects an abnormal power failure of the system, and at this time, the power detection unit in the switching circuit 3 detects a power failure of the main power supply 1, and the switching circuit 3 connects the auxiliary power supply 4 and the set-top box motherboard 2, and the auxiliary power supply 4 supplies power to the set-top box motherboard 2. More specifically: the voltage conversion circuit 43 in the auxiliary power supply 4 is connected with the switching circuit 3, converts the voltage released by the energy storage module 42 into 11V, and supplies power to the set-top box main board 2 through the switching circuit 3. Meanwhile, the MCU51 uploads the power-down information to the CPU52, and after the CPU52 completes protection of hard disks, data, and peripheral events, the CPU sends a shutdown command to the MCU51, and the MCU51 shuts down the voltage conversion circuit 43, powering down the system, thereby implementing system protection.
The utility model discloses in, whether switch circuit 3 automatic judgement main power supply 1 falls the electricity, and then whether confirm to start auxiliary power supply 4 and be the power supply of STB mainboard 2, realize when main power supply 1 falls the electricity, fast switch to the power supply of auxiliary power supply 4 avoids causing the damage of equipment such as hard disk.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1, the set-top box hard disk protection device of the present invention includes a main power source 1 and a set-top box motherboard 2, and further includes a switching circuit 3, an auxiliary power source 4 and a control module 5; the control module 5 is respectively connected with the main power supply 1 and the auxiliary power supply 4, the main power supply 1 and the auxiliary power supply 4 are connected to the set-top box mainboard 2, a power supply detection unit is arranged in the switching circuit 3, and when the power supply detection unit detects that the main power supply 1 supplies power, the main power supply 1 is connected with the set-top box mainboard 2 through the switching circuit 3; when the power detection unit detects that the main power supply 1 is powered off, the auxiliary power supply 4 is connected with the set-top box mainboard 2 through the switching circuit 3.
The auxiliary power supply 4 comprises a charging circuit 41, an energy storage module 42 and a voltage conversion circuit 43, the main power supply 1 is connected to the charging circuit 41, the charging circuit 41 is connected to the energy storage module 42, the energy storage module 42 is connected to the voltage conversion circuit 43, and the voltage conversion circuit 43 is connected to the switching circuit 3; the control module 5 is connected to the charging circuit 41, the energy storage module 42 and the voltage conversion circuit 43, respectively.
Preferably, the energy storage module 42 is a super capacitor, a lithium battery or a polymer battery.
The control module 5 comprises an MCU51 and a CPU52, the CPU52 is connected to the MCU51, and the MCU51 is connected to the auxiliary power supply 4 and the main power supply 1 respectively.
The MCU51 is provided with a charging control circuit 511, the charging control circuit 511 is connected to the charging circuit 41, and when the charging control circuit 511 detects that the energy storage module 42 is not fully charged, the charging circuit 41 is turned on; when the charge control circuit 511 detects that the energy storage module 42 is fully charged, the charging circuit 41 is turned off.
The MCU51 is provided with a discharge control circuit 512, the discharge control circuit 512 is connected to the voltage conversion circuit 43, and when the discharge control circuit 512 detects that the energy storage module 42 satisfies a preset discharge condition, the voltage conversion circuit 43 is turned on; otherwise, the voltage conversion circuit 43 is turned off.
The working principle is as follows:
when the computer is started: the single chip microcomputer MCU51 in the control module 5 detects that the main power supply 1 is turned on, and the charging control circuit 511 in the MCU51 judges whether the charging circuit 41 is turned on according to the energy storage condition of the energy storage module 42. If the charging control circuit 511 detects that the energy storage module 42 is fully charged, the charging circuit 41 is turned off, otherwise, the charging circuit 41 is turned on. The discharge control circuit 512 in the MCU51 determines whether to turn on the voltage conversion circuit 43 according to the energy storage condition of the energy storage module 42. When the discharge control circuit 512 detects that the energy storage module 42 meets the preset discharge condition, the voltage conversion circuit 43 is turned on, otherwise, the voltage conversion circuit 43 is turned off. In this embodiment, after the power voltage in the energy storage module 42 must be charged to 6.8V, the energy storage module 42 discharges once, and the provided power is enough for the CPU52 to complete the protection of the hard disk, the data read/write, and the peripheral device, so that charging the energy storage module 42 to 6.8V is used as a condition for turning on the voltage conversion circuit 43.
When abnormal power failure occurs: the MCU51 of the control module 5 detects an abnormal power failure of the system, and at this time, the power detection unit in the switching circuit 3 detects a power failure of the main power supply 1, and the switching circuit 3 connects the auxiliary power supply 4 and the set-top box motherboard 2, and the auxiliary power supply 4 supplies power to the set-top box motherboard 2. More specifically: the voltage conversion circuit 43 in the auxiliary power supply 4 is connected with the switching circuit 3, converts the voltage released by the energy storage module 42 into 11V, and supplies power to the set-top box main board 2 through the switching circuit 3. Meanwhile, the MCU51 uploads the power-down information to the CPU52, and after the CPU52 completes protection of hard disks, data, and peripheral events, the CPU sends a shutdown command to the MCU51, and the MCU51 shuts down the voltage conversion circuit 43, powering down the system, thereby implementing system protection.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The utility model provides a set-top box hard disk protection device, its includes a main power source and set-top box mainboard, its characterized in that: the power supply also comprises a switching circuit, an auxiliary power supply and a control module; the control module is respectively connected with the main power supply and the auxiliary power supply, the main power supply and the auxiliary power supply are connected to the set top box mainboard, a power supply detection unit is arranged in the switching circuit, and when the power supply detection unit detects that the main power supply provides power, the main power supply is connected with the set top box mainboard through the switching circuit; when the power detection unit detects that the main power supply is powered off, the auxiliary power supply is connected with the set top box mainboard through the switching circuit.
2. The set-top box hard disk protection device of claim 1, wherein: the auxiliary power supply comprises a charging circuit, an energy storage module and a voltage conversion circuit, the main power supply is connected to the charging circuit, the charging circuit is connected to the energy storage module, the energy storage module is connected to the voltage conversion circuit, and the voltage conversion circuit is connected to the switching circuit; the control module is respectively connected with the charging circuit, the energy storage module and the voltage conversion circuit.
3. The set-top box hard disk protection device of claim 2, wherein: the energy storage module is a super capacitor, a lithium battery or a polymer battery.
4. The set-top box hard disk protection device of claim 2, wherein: the control module comprises an MCU and a CPU, the CPU is connected to the MCU, and the MCU is respectively connected with the auxiliary power supply and the main power supply.
5. The set-top box hard disk protection device of claim 4, wherein: the MCU is internally provided with a charging control circuit, the charging control circuit is connected with the charging circuit, and when the charging control circuit detects that the energy storage module is not fully charged, the charging circuit is opened; and when the charging control circuit detects that the energy storage module is full, the charging circuit is closed.
6. A set-top box hard disk protection device as claimed in claim 4 or 5, characterized in that: the MCU is provided with a discharge control circuit, the discharge control circuit is connected with the voltage conversion circuit, and when the discharge control circuit detects that the energy storage module meets a preset discharge condition, the voltage conversion circuit is opened; otherwise, the voltage conversion circuit is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021878030.XU CN213368000U (en) | 2020-09-01 | 2020-09-01 | Set-top box hard disk protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021878030.XU CN213368000U (en) | 2020-09-01 | 2020-09-01 | Set-top box hard disk protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213368000U true CN213368000U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021878030.XU Active CN213368000U (en) | 2020-09-01 | 2020-09-01 | Set-top box hard disk protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213368000U (en) |
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- 2020-09-01 CN CN202021878030.XU patent/CN213368000U/en active Active
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