CN203537237U - Network storage device - Google Patents
Network storage device Download PDFInfo
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- CN203537237U CN203537237U CN201320739059.3U CN201320739059U CN203537237U CN 203537237 U CN203537237 U CN 203537237U CN 201320739059 U CN201320739059 U CN 201320739059U CN 203537237 U CN203537237 U CN 203537237U
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Abstract
The utility model relates to a network storage device, comprising a cabinet body, disk slot frames, disks, redundant power supplies, fans, and a control mainboard. The disk slot frames are fixed on the cabinet body through screws. The control mainboard is fixed in the cabinet body. The device is characterized in that the control mainboard comprises a switching power supply circuit used to start the network storage device, and the switching power supply circuit comprises a rectifier and filter circuit, a switching device, a transformer, and a voltage stabilizing circuit. Compared with the prior art, the device is advantaged in that a simple switching power supply circuit control device is used, providing normal working voltage for components on the control mainboard, controlling orderly powering-on of the disks, reducing damages on the device by impulse current, and ensuring safety of the power supply. The device greatly simplifies the mainboard control circuit, reduces power consumption of the components, and reduces production cost.
Description
Technical field
The utility model relates to monitoring field, is specifically related to a kind of network storage equipment that is applied to video monitoring.
Background technology
At present, in monitoring field, along with increasing of high in the clouds monitoring, the audio, video data that needs increasing parking space to come storage of collected to arrive, the network storage equipment has solved mass data and has deposited difficult problem, but make known to the world for the increasing network storage equipment, how effectively to reduce resource consumption, save input cost, be the research direction of the network storage equipment, for general on the market memory device, the design of the switching circuit of its power supply is comparatively complicated always, make production cost higher, and the power consumption that each components and parts produce is also larger.
Utility model content
The purpose of this utility model is in order to solve the deficiencies in the prior art, a kind of network storage equipment is provided, comprise machine case body, disk truss, disk, redundant power and fan and control mainboard, described disk truss is fixed by screws on machine case body, described control mainboard is fixed in machine case body, it is characterized in that: described control mainboard comprises that described switching power circuit comprises current rectifying and wave filtering circuit, switching device, transformer and voltage stabilizing circuit for starting the switching power circuit of the network storage equipment;
Alternating current input is connected with one end of inductance coil L1 after switch key K1 through protective tube FUSE, the other end of inductance coil L1 through diode D1 to the positive pole that is connected to capacitor C 1 after diode D4 rectification, the minus earth of capacitor C 1, voltage after rectifying and wave-filtering connects the pin 1 of transformer T1 primary coil, the pin 2 of transformer T1 primary coil connects the drain electrode of metal-oxide-semiconductor Q1, and the pin 2 of transformer T1 primary coil connects the positive pole of diode D5, the negative pole of diode D5 connects the RC circuit after resistance R 1 and capacitor C 2 parallel connections, the other end of RC circuit connects the pin 1 of transformer T1 primary coil, the grid of metal-oxide-semiconductor Q1 connects the pin 1 of transformer T1 primary coils through resistance R 2, the source electrode of metal-oxide-semiconductor Q1 connects 4 pin that shunt resistance R3 is connected to photoelectrical coupler U1, and the source electrode of metal-oxide-semiconductor Q1 connects ground connection after shunt resistance R4, the pin 3 of transformer T1 feedback coil oppositely connects diode D6 and capacitor C 3, the plus earth of diode D6, and capacitor C 3 connects the grid of metal-oxide-semiconductor through resistance R 5, the pin 4 of transformer T1 feedback coil connects 3 pin of photoelectrical coupler U1, the grid of metal-oxide-semiconductor Q1 also connects the emitter of triode Q2, the emitter of triode Q2 is connected to the base stage of triode Q2 through resistance R 6, the base stage of triode Q2 connects the collector electrode of triode Q3, the collector electrode of triode Q2 connects the base stage of triode Q3, the grounded emitter of triode Q3, the collector electrode of triode Q2 also connects 4 pin of photoelectrical coupler U1, the pin 5 of transformer T1 secondary coil connects the positive pole of capacitor C 4, the negative pole of capacitor C 4 connects the positive pole of diode D7, the negative pole of diode connects the pin 6 of transformer T1 secondary coil, the negative pole of capacitor C 4 is also connected to 2 pin of photoelectrical coupler U1 through voltage stabilizing didoe D8,1 pin of photoelectrical coupler is through resistance R 7 line circle L2 output, 2 pin of photoelectrical coupler are through resistance R 8 line circle L2 output, and the pin 5 line circle L2 of transformer T1 secondary coil also export.
Described diode D1 forms diode rectifier bridge to diode D4 alternating current is carried out to rectification, capacitor C 1 is filter capacitor, inductance coil L1 is the damage in order to prevent that current break from causing circuit, metal-oxide-semiconductor Q1 is switching device, voltage after rectification is through the transformation of transformer T1, at secondary coil, form induced electromotive force, through voltage stabilizing didoe D8, capacitor C 4 and coil L2 filtering voltage regulation output voltage, the feedback coil of transformer T1 entered photoelectrical coupler U1 by the voltage of output output voltage was fed back to feedback coil, by the voltage ratio after feedback voltage and rectification, control the switch of metal-oxide-semiconductor.
The utility model compared with prior art has the following advantages:
1, the utility model adopts simple switching power circuit control appliance, and the normal working voltage of controlling components and parts on mainboard is provided, and can control disk and power in order, reduces the infringement of impulse current to equipment, guarantees power safety;
2, the utility model has been simplified mainboard control circuit greatly, has reduced the power consumption of components and parts, has reduced production cost.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is rearview of the present utility model;
Fig. 2 is switching power circuit of the present utility model;
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of network storage equipment, comprise machine case body 1, disk truss 2, disk 3, redundant power 4 and fan 5 and control mainboard, disk truss 2 is fixed by screws on machine case body 1, controlling mainboard is fixed in machine case body 1, control mainboard 1 and comprise that switching power circuit 6 comprises current rectifying and wave filtering circuit, switching device, transformer and voltage stabilizing circuit for starting the switching power circuit 6 of the network storage equipment.
As shown in Figure 3, alternating current input is connected with one end of inductance coil L1 after switch key K1 through protective tube FUSE, the other end of inductance coil L1 through diode D1 to the positive pole that is connected to capacitor C 1 after diode D4 rectification, the minus earth of capacitor C 1, voltage after rectifying and wave-filtering connects the pin 1 of transformer T1 primary coil, the pin 2 of transformer T1 primary coil connects the drain electrode of metal-oxide-semiconductor Q1, and the pin 2 of transformer T1 primary coil connects the positive pole of diode D5, the negative pole of diode D5 connects the RC circuit after resistance R 1 and capacitor C 2 parallel connections, the other end of RC circuit connects the pin 1 of transformer T1 primary coil, the grid of metal-oxide-semiconductor Q1 connects the pin 1 of transformer T1 primary coils through resistance R 2, the source electrode of metal-oxide-semiconductor Q1 connects 4 pin that shunt resistance R3 is connected to photoelectrical coupler U1, and the source electrode of metal-oxide-semiconductor Q1 connects ground connection after shunt resistance R4, the pin 3 of transformer T1 feedback coil oppositely connects diode D6 and capacitor C 3, the plus earth of diode D6, and capacitor C 3 connects the grid of metal-oxide-semiconductor through resistance R 5, the pin 4 of transformer T1 feedback coil connects 3 pin of photoelectrical coupler U1, the grid of metal-oxide-semiconductor Q1 also connects the emitter of triode Q2, the emitter of triode Q2 is connected to the base stage of triode Q2 through resistance R 6, the base stage of triode Q2 connects the collector electrode of triode Q3, the collector electrode of triode Q2 connects the base stage of triode Q3, the grounded emitter of triode Q3, the collector electrode of triode Q2 also connects 4 pin of photoelectrical coupler U1, the pin 5 of transformer T1 secondary coil connects the positive pole of capacitor C 4, the negative pole of capacitor C 4 connects the positive pole of diode D7, the negative pole of diode connects the pin 6 of transformer T1 secondary coil, the negative pole of capacitor C 4 is also connected to 2 pin of photoelectrical coupler U1 through voltage stabilizing didoe D8,1 pin of photoelectrical coupler is through resistance R 7 line circle L2 output, 2 pin of photoelectrical coupler are through resistance R 8 line circle L2 output, and the pin 5 line circle L2 of transformer T1 secondary coil also export.
Wherein diode D1 forms diode rectifier bridge to diode D4 alternating current is carried out to rectification, capacitor C 1 is filter capacitor, inductance coil L1 is the damage in order to prevent that current break from causing circuit, metal-oxide-semiconductor Q1 is switching device, voltage after rectification is through the transformation of transformer T1, at secondary coil, form induced electromotive force, through voltage stabilizing didoe D8, capacitor C 4 and coil L2 filtering voltage regulation output voltage, the feedback coil of transformer T1 entered photoelectrical coupler U1 by the voltage of output output voltage was fed back to feedback coil, by the voltage ratio after feedback voltage and rectification, control the switch of metal-oxide-semiconductor.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (1)
1. the network storage equipment, comprise machine case body, disk truss, disk, redundant power and fan and control mainboard, described disk truss is fixed by screws on machine case body, described control mainboard is fixed in machine case body, it is characterized in that: described control mainboard comprises that described switching power circuit comprises current rectifying and wave filtering circuit, switching device, transformer and voltage stabilizing circuit for starting the switching power circuit of the network storage equipment;
Alternating current input is connected with one end of inductance coil L1 after switch key K1 through protective tube FUSE, the other end of inductance coil L1 through diode D1 to the positive pole that is connected to capacitor C 1 after diode D4 rectification, the minus earth of capacitor C 1, voltage after rectifying and wave-filtering connects the pin 1 of transformer T1 primary coil, the pin 2 of transformer T1 primary coil connects the drain electrode of metal-oxide-semiconductor Q1, and the pin 2 of transformer T1 primary coil connects the positive pole of diode D5, the negative pole of diode D5 connects the RC circuit after resistance R 1 and capacitor C 2 parallel connections, the other end of RC circuit connects the pin 1 of transformer T1 primary coil, the grid of metal-oxide-semiconductor Q1 connects the pin 1 of transformer T1 primary coils through resistance R 2, the source electrode of metal-oxide-semiconductor Q1 connects 4 pin that shunt resistance R3 is connected to photoelectrical coupler U1, and the source electrode of metal-oxide-semiconductor Q1 connects ground connection after shunt resistance R4, the pin 3 of transformer T1 feedback coil oppositely connects diode D6 and capacitor C 3, the plus earth of diode D6, and capacitor C 3 connects the grid of metal-oxide-semiconductor through resistance R 5, the pin 4 of transformer T1 feedback coil connects 3 pin of photoelectrical coupler U1, the grid of metal-oxide-semiconductor Q1 also connects the emitter of triode Q2, the emitter of triode Q2 is connected to the base stage of triode Q2 through resistance R 6, the base stage of triode Q2 connects the collector electrode of triode Q3, the collector electrode of triode Q2 connects the base stage of triode Q3, the grounded emitter of triode Q3, the collector electrode of triode Q2 also connects 4 pin of photoelectrical coupler U1, the pin 5 of transformer T1 secondary coil connects the positive pole of capacitor C 4, the negative pole of capacitor C 4 connects the positive pole of diode D7, the negative pole of diode connects the pin 6 of transformer T1 secondary coil, the negative pole of capacitor C 4 is also connected to 2 pin of photoelectrical coupler U1 through voltage stabilizing didoe D8,1 pin of photoelectrical coupler is through resistance R 7 line circle L2 output, 2 pin of photoelectrical coupler are through resistance R 8 line circle L2 output, and the pin 5 line circle L2 of transformer T1 secondary coil also export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739059.3U CN203537237U (en) | 2013-11-20 | 2013-11-20 | Network storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739059.3U CN203537237U (en) | 2013-11-20 | 2013-11-20 | Network storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203537237U true CN203537237U (en) | 2014-04-09 |
Family
ID=50423408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739059.3U Expired - Fee Related CN203537237U (en) | 2013-11-20 | 2013-11-20 | Network storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203537237U (en) |
-
2013
- 2013-11-20 CN CN201320739059.3U patent/CN203537237U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20211120 |