CN206696845U - A kind of SAS hard disk backboards for being easy to safeguard - Google Patents
A kind of SAS hard disk backboards for being easy to safeguard Download PDFInfo
- Publication number
- CN206696845U CN206696845U CN201720465034.7U CN201720465034U CN206696845U CN 206696845 U CN206696845 U CN 206696845U CN 201720465034 U CN201720465034 U CN 201720465034U CN 206696845 U CN206696845 U CN 206696845U
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- Prior art keywords
- main body
- hard disk
- sas
- back plate
- interface
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- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model discloses a kind of SAS hard disk backboards for being easy to safeguard, belong to server cabinet field, solve the problem of wanting the whole backboard of dismounting and change when traditional SAS hard disk backboards are safeguarded, causing maintenance cost high.The SAS hard disk backboards include two pieces of pcb boards, respectively back plate main body and I/O interface boards, and back plate main body is connected with I/O interface boards by connector；The resistor-capacitor unit related to VR power supply circuits is not placed in back plate main body, the resistor-capacitor unit related to VR power supply circuits is placed on I/O interface boards.Filter circuit with resistor-capacitor unit is arranged on I/O interface boards by the utility model, is avoided frequently changing back plate main body because of resistor-capacitor unit failure in filter circuit, is reduced maintenance cost, improve the convenience of maintenance.
Description
Technical field
It the utility model is related to server cabinet field, and in particular to a kind of SAS hard disk backboards for being easy to safeguard.
Background technology
SAS is the SCSI technologies of a new generation, identical with Serial ATA (SATA) hard disk, is all to use serial technology to obtain
Get Geng Gao transmission speed, and improve inner space by shortening tie line.SAS be develop after parallel SCSI interface it is complete
New interface.The design of this interface is to improve the efficiency of storage system, availability and extendibility, there is provided with serial ATA
The compatibility of (Serial ATA, be abbreviated as SATA) hard disk.
In the more tower server of rack-mount server or hard drive tank position, SAS HBA/RAID cards are general
It is not connected with SAS cables with hard disk drive directly, but can be by hard disk backboard, to facilitate the plug of hard disk drive.Firmly
Disk backboard is also typical internal connection application, simultaneously connects hard disk drive, another side connects HBA/RAID cards.On hard disk backboard
Cabling mainly has two parts, and Part I is Tx Lane and the Rx Lane of high speed signal circuit, i.e. SAS link, to ensure to hinder
Anti- continuity, HW High Way will not typically connect or by elements such as resistance, electric capacity；Part II is 5V/12V supply lines
Road, to ensure the normal work of hard disk, the end of supply line on backboard, i.e., around SAS connector, filtered electrical can be arranged
Road, filter circuit are mainly made up of elements such as resistance, electric capacity, inductance.
The failure of hard disk backboard have greatly be due to supply line's filtering part component failure caused by, it is traditional
Hard disk backboard when safeguarding, can only the whole backboard of dismounting and change, this kind of maintenance mode cost is high, convenience is poor.
The content of the invention
Technical assignment of the present utility model is to provide a kind of SAS hard disk backboards for being easy to safeguard, using two pieces of pcb boards, makes
Connect hard disk and back plate main body with I/O interface boards, the filter circuit of supply line be placed on I/O interface boards, convenient maintenance and
Change.
Technical scheme is used by the utility model solves its technical problem：
A kind of SAS hard disk backboards for being easy to safeguard, including two pieces of pcb boards, respectively back plate main body and I/O interface boards, the back of the body
Plate main body is connected with I/O interface boards by connector；The resistor-capacitor unit related to VR power supply circuits, I/O are not placed in back plate main body
The resistor-capacitor unit related to VR power supply circuits is placed on interface board.Hard disk connects back plate main body by I/O interface boards, realizes hard disk
The normal transmission of normal power supply and data.
Further, the related resistor-capacitor unit of VR power supply circuits is the resistor-capacitor unit in filter circuit；Back plate main body is provided with master
Trip link actuator and main body downstream connectors on body, VR power supply circuits cabling and SAS HW High Ways are disposed with back plate main body, it is main
Trip link actuator connects main body downstream connectors by VR power supply circuits cabling with SAS HW High Ways on body；
I/O interface boards are provided with trip link actuator and interface board downstream connectors on interface board, and VR is disposed with I/O interface boards
Power supply circuit cabling, SAS HW High Ways and filter circuit, trip link actuator passes through VR power supply circuits cabling, SAS on interface board
HW High Way and filter circuit connecting interface plate downstream connectors；
Trip link actuator is connected with main body downstream connectors on interface board.
After described back plate main body is connected by connector with described I/O interface boards, the SAS in back plate main body believes at a high speed
Number line connects with the SAS HW High Ways on I/O interface boards, the VR power supply circuits cabling in back plate main body with I/O interface boards
VR power supply circuit cablings connected with filter circuit.Interface board downstream connectors connect hard disk, and trip link actuator connects on interface board
Main body downstream connectors, the SAS controller in main body in trip link actuator connection server, the number of hard disk and server is realized with this
According to transmission.
Further, the rated operational voltage of general hard disk is 5V or 12V, and the filter circuit is 12V electricity and 5V electricity
Filter circuit.
Further, the resistor-capacitor unit in filter circuit includes resistive element, capacity cell or inductance element.
Preferably, main body downstream connectors are SFF-8482 slots, and accordingly, trip link actuator is SFF-8482 on interface board
Plug.
Preferably, interface board downstream connectors are SFF-8482 slots.
A kind of server with SAS hard disk backboards, is provided with SAS controller, the server using it is above-mentioned any one
SAS hard disk backboards connection hard disk, trip link actuator connection SAS controller in main body, interface board downstream connectors connection hard disk.
Further, the server has protection cap, and connector avoid holes are provided with protection cap, and back plate main body is arranged on
In server protection cap, main body downstream connectors stretch out protection cap by connector avoid holes, and interface board is arranged on outside protection cap,
Hard disk connects I/O interface boards and connects main body downstream connectors by I/O interface boards.Because the I/O for being provided with filter circuit connects
Oralia is arranged on the outside of server, and when the resistor-capacitor unit damage in filter circuit, directly I/O interface boards can be repaired
Or change, and without dynamic back plate main body, avoid opening server protection cap, greatly improve the usability of the server.
When server assembles, trip link actuator in the main body of back plate main body is connected and fixed on to the SAS controller of server, the back of the body
The main body downstream connectors of plate main body stretch out server protection cap, and hard disk is inserted into the interface board downstream connectors of I/O interface boards
On, then the I/O interface boards for being connected with hard disk are connected to the descending connection of main body of back plate main body by trip link actuator on interface board
Device, when SAS backboard failures caused by there is supply line's filtering part component failure, hard disk is unloaded, change I/O interface boards
Hard disk is reinstalled again afterwards, and back plate main body is changed without opening protection cap.
A kind of SAS hard disk backboards for being easy to safeguard of the present utility model compared with prior art, have the advantages that：
Existing SAS hard disk backboards are divided into two parts by the design, because hard disk backboard failure is more by filter circuit
Resistor-capacitor unit causes, therefore the filter circuit with resistor-capacitor unit is placed on into I/O interface plate parts, passes through I/O interface boards and back plate main body
Hard disk normal power supply and data transfer are realized in connection.When backboard failure caused by there is supply line's filtering part component failure
The I/O interface boards outside server protection cap only need to be changed, change back plate main body without opening protection cap, maintenance process is efficient
Fast, and superseded only faulty I/O interface boards are needed, can greatly maintenance cost saving without eliminating whole backboard.
Meanwhile I/O interface boards can be positioned over the outside of server, when back plate main body needs to be placed in server, only
I/O interface boards are placed on outside, I/O interface boards are connected by connector with back plate main body, maintenance when be easy to dismounting and more
Change.
Brief description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the principle schematic for the SAS hard disk backboards that the utility model is easy to maintenance；
Fig. 2 is the structural representation for the SAS hard disk backboards that the utility model is easy to maintenance；
Fig. 3 is the structural representation for the server that the utility model has SAS hard disk backboards；
Fig. 4 is the schematic diagram that hard disk is installed on server shown in Fig. 3.
In figure：1st, back plate main body, 2, I/O interface boards, 3, trip link actuator in main body, 4, main body downstream connectors, 5, interface
Trip link actuator on plate, 6, interface board downstream connectors, 7, protection cap, 8, hard disk, 9, server.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
A kind of SAS hard disk backboards for being easy to safeguard, including two pieces of pcb boards, respectively back plate main body 1 and I/O interface boards 2,
Back plate main body 1 is connected with I/O interface boards 2 by connector；The capacitance-resistance related to VR power supply circuits is not placed in back plate main body 1
Part, the resistor-capacitor unit related to VR power supply circuits is placed on I/O interface boards 2.Hard disk 8 connects back plate main body by I/O interface boards 2
1, realize the normal power supply of hard disk 8 and the normal transmission of data.
The related resistor-capacitor unit of VR power supply circuits is the resistor-capacitor unit in filter circuit, including resistive element, capacity cell or electricity
Sensing unit.The rated operational voltage of general hard disk is 5V or 12V, so the filter circuit in VR power supply circuits is 12V electricity and 5V
The filter circuit of electricity.
Back plate main body 1 is provided with trip link actuator 3 and main body downstream connectors 4 in main body, and VR confessions are disposed with back plate main body 1
Electric circuit trace and SAS HW High Ways, trip link actuator 3 passes through VR power supply circuits cabling in main body and SAS HW High Ways connect
Connect main body downstream connectors 4；
I/O interface boards 2 are provided with trip link actuator 5 and interface board downstream connectors 6 on interface board, are arranged on I/O interface boards 2
There are VR power supply circuits cabling, SAS HW High Ways and the filter circuit of 12V electricity and 5V electricity, trip link actuator 5 passes through on interface board
VR power supply circuits cabling, SAS HW High Ways and filter circuit connecting interface plate downstream connectors 6；
Trip link actuator 5 is connected with main body downstream connectors 4 on interface board.
After back plate main body 1 is connected by connector with I/O interface boards 2, SAS HW High Ways and I/O in back plate main body 1
SAS HW High Ways on interface board 2 connect, and the VR power supply circuits cabling in back plate main body 1 supplies with the VR on I/O interface boards 2
Electric circuit trace and 12V electricity connect with the filter circuit of 5V electricity.Interface board downstream connectors 6 connect hard disk 8, and interface board is up
Connector 5 connects main body downstream connectors 4, the SAS controller in main body in the connection server 9 of trip link actuator 3, is realized firmly with this
The data transfer of disk 8 and server 9.
In the present embodiment, main body downstream connectors 4 are SFF-8482 slots, and accordingly, trip link actuator 5 is on interface board
SFF-8482 plugs, interface board downstream connectors 6 are SFF-8482 slots.
The present embodiment also includes a kind of server 9 with SAS hard disk backboards, and the server 9 is provided with SAS controller,
The server 9 is using above-mentioned SAS hard disk backboards connection hard disk 8, and trip link actuator 3 connects SAS controller in main body, under interface board
Trip link actuator 6 connects hard disk 8；
The server 9 has protection cap 7, is provided with connector avoid holes in protection cap 7, back plate main body 1 is arranged on service
In the protection cap 7 of device 9, main body downstream connectors 4 stretch out protection cap 7 by connector avoid holes, and I/O interface boards 2 are arranged on guarantor
Outside protecting cover 7, hard disk 8 connects I/O interface boards 2 and the main body downstream connectors 4 for stretching out protection cap 7 is connected by I/O interface boards 2.
I/O interface boards 2 due to being provided with filter circuit are arranged on the outside of server 9, when the capacitance-resistance in filter circuit
When part damages, directly the plate of I/O interfaces 2 can be repaired or replaced, and without dynamic back plate main body 1, avoid opening server 9
Protection cap 7, greatly improve the usability of the server 9.
When server 9 assembles, the SAS that trip link actuator 3 in the main body of back plate main body 1 is connected and fixed on to server 9 is controlled
Device, the main body downstream connectors 4 of back plate main body 1 stretch out the protection cap 7 of server 9, and hard disk 8 is inserted into the interface of I/O interface boards 2
On plate downstream connectors 6, the I/O interface boards 2 for being connected with hard disk 8 are then connected into backboard master by trip link actuator on interface board 5
The main body downstream connectors 4 of body 1, when SAS backboard failures caused by there is supply line's filtering part component failure, by hard disk
8 unload, and again reinstall hard disk 8 after changing I/O interface boards 2, and change back plate main body 1 without opening protection cap 7.
By embodiment above, the those skilled in the art can readily realize the utility model.But
It is it should be appreciated that the utility model is not limited to above-mentioned embodiment.It is described on the basis of disclosed embodiment
Those skilled in the art can be combined different technical characteristics, so as to realize different technical schemes.
Claims (6)
1. a kind of SAS hard disk backboards for being easy to safeguard, it is characterised in that including two pieces of pcb boards, respectively back plate main body and I/O connects
Oralia, back plate main body are connected with I/O interface boards by connector；The capacitance-resistance related to VR power supply circuits is not placed in back plate main body
Part, the resistor-capacitor unit related to VR power supply circuits is placed on I/O interface boards.
2. a kind of SAS hard disk backboards for being easy to safeguard according to claim 1, it is characterised in that VR power supply circuits correlation
Resistor-capacitor unit is the resistor-capacitor unit in filter circuit；Back plate main body is provided with trip link actuator and main body downstream connectors, backboard in main body
Be disposed with VR power supply circuits cabling and SAS HW High Ways in main body, in main body trip link actuator by VR power supply circuits cabling and
SAS HW High Ways connect main body downstream connectors；
I/O interface boards are provided with trip link actuator and interface board downstream connectors on interface board, and VR power supplies are disposed with I/O interface boards
Circuit trace, SAS HW High Ways and filter circuit, trip link actuator passes through VR power supply circuits cabling, SAS at a high speed on interface board
Signal wire and filter circuit connecting interface plate downstream connectors；
Trip link actuator is connected with main body downstream connectors on interface board.
3. a kind of SAS hard disk backboards for being easy to safeguard according to claim 2, it is characterised in that the filter circuit is
The filter circuit of 12V electricity and 5V electricity.
A kind of 4. SAS hard disk backboards for being easy to safeguard according to Claims 2 or 3, it is characterised in that the filter circuit
In resistor-capacitor unit include resistive element, capacity cell or inductance element.
5. a kind of SAS hard disk backboards for being easy to safeguard according to claim 2, it is characterised in that main body downstream connectors are
SFF-8482 slots, accordingly, trip link actuator is SFF-8482 plugs on interface board.
A kind of 6. SAS hard disk backboards for being easy to safeguard according to claim 2 or 5, it is characterised in that the descending company of interface board
It is SFF-8482 slots to connect device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720465034.7U CN206696845U (en) | 2017-04-28 | 2017-04-28 | A kind of SAS hard disk backboards for being easy to safeguard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720465034.7U CN206696845U (en) | 2017-04-28 | 2017-04-28 | A kind of SAS hard disk backboards for being easy to safeguard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206696845U true CN206696845U (en) | 2017-12-01 |
Family
ID=60447616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720465034.7U Expired - Fee Related CN206696845U (en) | 2017-04-28 | 2017-04-28 | A kind of SAS hard disk backboards for being easy to safeguard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206696845U (en) |
-
2017
- 2017-04-28 CN CN201720465034.7U patent/CN206696845U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20180428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |