CN107576875A - A kind of portable line loss comprehensive analysis device - Google Patents
A kind of portable line loss comprehensive analysis device Download PDFInfo
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- CN107576875A CN107576875A CN201711021732.9A CN201711021732A CN107576875A CN 107576875 A CN107576875 A CN 107576875A CN 201711021732 A CN201711021732 A CN 201711021732A CN 107576875 A CN107576875 A CN 107576875A
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- 238000009434 installation Methods 0.000 abstract description 9
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- 239000011159 matrix material Substances 0.000 description 10
- 230000001360 synchronised Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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Abstract
A kind of portable line loss comprehensive analysis device, the structure that rectangular-shape flat board is set in machine box for server are：Including the connecting piece for casing backing and rectangular-shape flat board are connected；At the top of the rear surface of casing backing, projection one is set, casing backing rear surface and be in the more lower position of projection one and also set up Zhe Gou roads one；It is coupled section and is together coupled between section two and remains less than or the angle equal to 90 degree；It is coupled between Duan Ertong is coupled section three and remains less than or the angle equal to 90 degree；Connection section two sets the projection section towards front projection, and projection section is at same one side of connection section two with being coupled section three, the ditch road two for allowing projection section to put in is set in projection two；Projection section puts in ditch Lu Erhou, and projection section links rectangular-shape flat board；It is lower it occur frequently that being limited by live range size and causing installation difficulty, be coupled the defects of not firm to effectively prevent installation in the prior art.
Description
Technical field
The present invention relates to line loss analyzing technical field, and in particular to a kind of portable line loss comprehensive analysis device.
Background technology
In general, the energy loss during power system power supply is referred to as line loss.Now, energy-saving research, line loss
Partial pressure statistics, line loss count to family, and power industry proposes higher requirement to line loss fine-grained management.Traditional 400V distribution
The mode that the line loss of net calculates by software is calculated, and is calculated by way of software, and the degree of accuracy of calculating is not high, and
The mode portability that software calculates is poor.
Thus be proposed a kind of Line Loss of Distribution Network System measuring and calculating device, including line loss collector 200 and with line loss collector 200
The line loss concentrator 100 of connection；
Line loss collector 200 is located at power station area end, the ammeter access line damage collector 200 of power station area；
Line loss concentrator 100 includes embedded microprocessor 101, synchronous DRAM 102, Nand
Flash103, friendship is adopted and carrier channel module 104, power supply 105 and real-time clock 106；
Wherein, synchronous DRAM 102, Nand Flash 103, hand over and adopt and carrier channel module 104, power supply
105 and real-time clock 106 be connected with embedded microprocessor 101, wherein power supply 105 is connected with real-time clock 106.
Line loss collector 200 is located at power station area end, and the ammeter of collection user, the letter of collection are read by 485 interfaces
Breath includes：The table address of user, electric current, power factor, voltage and calculate loss of voltage angle, the active of electric energy meter copies degree of opinion.
For line loss concentrator 100 using multifunction chip as core, system design is that a SoC (System on Chip, is referred to as
System level chip), integrated chip carrier communication DSSS unit, there is the function that real-time display matches somebody with somebody variable element,
Parameter comprises at least electric current, voltage, active and reactive etc., and carrier communication DSSS unit, which also has, freezes day crucial electricity
The functions such as parameter storage, and transformer parameter can be combined and calculate measuring transformer copper loss, iron loss, weigh economical operation.It is embedded
The core that microprocessor is the data processing device of line loss concentrator, embedded microprocessor is line loss concentrator, it uses work
Industry rank high speed monolithic processor, data calculating processing, collection and the control to peripheral components are substantially carried out, can be 32 embedding
Enter microsever, or 64 embedded microprocessors.Synchronous DRAM and Nand Flash are line loss
The data storage of concentrator and the device of interim storage, the capacity of synchronous DRAM and Nand Flash is larger, protects
Hardware resource required during line loss concentrator operation complicated process is demonstrate,proved, display interface and succinct button are adapted to industry spot
Conventional man-machine interaction work.Friendship is adopted and carrier channel module passes through each phase voltage and the CT connection of binding post and power distribution network, reality
Now with the connection of power distribution network.The friendship adopt and carrier channel module in be integrated with friendship and adopt chip and carrier chip, chip is adopted in friendship can
The signals such as three-phase voltage, electric current to power distribution network are acquired, i.e., are acquired based on alternating current, can use ADI companies
AD77 series, CS546X series etc., the present embodiment are defined without adopting the concrete model of chip and carrier chip to friendship；Carrier wave
Chip mainly provides the signal condition and ALT-CH alternate channel of alternating-current parameter collection, while is also the passage of externally fed, prior
It is the passage of carrier communication, PL21 series, PL32 series etc. can be used to realize power line carrier communication function.Wherein, power supply
It is connected with real-time clock, power supply uses three phase supply, will not cause to power off because of phase shortage, also takes on the standby for providing real-time clock
The function of power supply, even if external power source power down, clock circuit also has back-up source and worked on.
Line loss concentrator 100 uses downwards power carrier mode, when initially restoring electricity or being connected to manual start's instruction,
The mode of power line carrier, PLC establishes the corresponding relation of line loss collector 200 and line loss concentrator 100, this to establish corresponding relation
Period be referred to as registration phase, the signal of this carrier communication can not pass to the high-pressure side of transformer, after succeeding in registration under bristle with anger
Make and be transferred to real-time data collection mode to line loss collector 200.After the data acquisition of line loss collector 200, local will be first stored in
In internal memory, then by power-line carrier communication, by the data transfer of line loss collector 200 to line loss concentrator 100, by line
Damage concentrator 100 and combine the highdensity localization mass data operational analysis of both data progress, and according to the equivalent electricity of power distribution network
New calculation method is hindered, obtains the technical loss of taiwan area, and then solve the big problem of line loss theoretical calculation workload.
Line loss concentrator in the present apparatus can be bonded system with software, also can independent operating, individually to power station area
Measure.During independent operating, there can be native's part work and part study on direct-on-line damage concentrator to take, wirelessly by client's actual conditions
The various ways such as reading, notebook computer reading.
Compared with software is calculated in the degree of accuracy of calculating and convenience, hardware unit has larger excellent hardware unit
Gesture, in addition, hardware unit can also realize rapid deployment, a kind of line loss concentrator is provided here, can solve the problem that the side by software
The problem of formula is calculated, and the degree of accuracy of calculating is not high and portability is poor.
With reference to shown in figure 2, in above-mentioned line loss concentrator, dot matrix LCD 107, dot matrix LCD and insertion can also be included
Microsever connects.
Dot matrix LCD module is LCDs, is shown for providing local operation and data.User can be according to the dot matrix
LCD module input parameter, after line loss concentrator is completed to the calculating of line loss, the dot matrix LCD module line loss value is shown.
With reference to shown in figure 3, in above-mentioned line loss concentrator, in addition to the key board of 6 key board 108,6 and the embedded place that declines
Manage device connection.
6 key boards are local inputs, check input parameter, and button operation, the operation of modification are carried out to line loss concentrator
Button, user can also carry out button operation according to 6 key board input parameters, and to line loss concentrator.
With reference to shown in figure 4, in above-mentioned line loss concentrator, in addition to USB data interface 109, USB data interface with it is embedding
Enter microsever connection.
Scalability is locally stored in the reserved local USB data interface of line loss concentrator, the convenient data in Large Copacity, with
And the real-time record of field data.
With reference to shown in figure 5, in above-mentioned line loss concentrator, in addition to wireless module 110, wireless module decline with insertion
Processor connects.
Line loss concentrator by the data transfer currently obtained to background server, obtains background server by wireless module
Above-mentioned data are obtained to be calculated accordingly.
With reference to shown in figure 6, in above-mentioned line loss concentrator, in addition to debugging serial ports 111, debugging serial ports decline with insertion
Processor connects.
The reserved local debugging serial ports of line loss concentrator, updates work beneficial to field adjustable and program, maintains easily.
And in practical application, by wireless module by the data transfer currently obtained to background server, make background service
Device obtains above-mentioned data and calculated accordingly, and the background server is arranged in machine box for server, and machine box for server is
Rectangular parallelepiped structure, the background server include casing and multiple central processing circuit plates, and the casing is rectangular-shape, center
Process circuit plate is arranged in casing, and the mode that the present background server is arranged in machine box for server is the machine
Shell is shelved on the rectangular-shape flat board being arranged in machine box for server, and rectangular-shape flat board is set in the machine box for server
Structure be：Integration is connected to reclinate hook shape joint cover on the outer wall of rectangular-shape flat board, and the service
The top that one side projection and projection are connected on the wall of device cabinet is the connecting piece of gap, but during installation, the connection
Part must obtain and put in and be installed on the wall of the machine box for server from the upper end of the casing, then described reclinate
Hook shape joint cover is linked in the gap, it occur frequently that being limited by live range size and causing peace under such installation
Dress is difficult.And it is not firm to be coupled.
The content of the invention
To solve the above problems, the invention provides a kind of portable line loss comprehensive analysis device, effectively prevent existing
Install lower in technology it occur frequently that being limited by live range size and causing installation difficulty, be coupled the defects of not firm.
In order to overcome deficiency of the prior art, the invention provides a kind of solution of portable line loss comprehensive analysis device
Scheme, it is specific as follows：
A kind of portable line loss comprehensive analysis device, including line loss collector 200 and be connected with line loss collector 200
Line loss concentrator 100；
Line loss concentrator 100 includes embedded microprocessor 101；
In described line loss concentrator, in addition to wireless module 110, wireless module is connected with embedded microprocessor；
Line loss concentrator by the data transfer currently obtained to background server, obtains background server by wireless module
Above-mentioned data are obtained to be calculated accordingly；
The background server is arranged in machine box for server, and machine box for server is rectangular parallelepiped structure, the background service
Device includes casing and multiple central processing circuit plates, and the casing is rectangular-shape, and central processing circuit plate is arranged in casing,
The mode that the background server is arranged in machine box for server is that the casing is shelved on the length being arranged in machine box for server
On cube shape flat board, the structure that rectangular-shape flat board is set in the machine box for server is：
Including the connecting piece A3 for casing backing 2 and rectangular-shape flat board are connected；
The B1 of projection one is set at the top of the rear surface of casing backing 2, casing backing 2 rear surface and be in projection
One B1 more lower position also sets up the B2 of Zhe Gou roads one；
It is coupled section one D1 and remains less than or the angle equal to 90 degree with being coupled between the D2 of section two；Connection section two D2 is same to be coupled section
Remained less than between three D3 or the angle equal to 90 degree；
The connection D2 of section two sets the projection section towards front projection, and projection section is at connection section two with being coupled the D3 of section three
D2 same one side, the C2 of ditch road two for allowing projection section to put in is set on the C1 of projection two；
After projection section puts in the C2 of ditch road two, projection section links rectangular-shape flat board 3.
The C1 of projection two is set in the bottom of the rear surface of rectangular-shape flat board 3.
The B1 of projection one bottom wall coordinates with phase interference fits between the C1 of projection two roof or gap, makes casing backing 2 firm
Rectangular-shape flat board 3 is linked by ground.
Connecting piece A3 is stepped ramp type, and connecting piece A3 includes the connected D1 of connection section one of order, is coupled the D2 of section two with being coupled section
Three D3, the one end for being coupled the D2 of section two in addition is connected with one end of connection section one D1, and is coupled the D1 of section one other end backwards
Fang Yanshen, the other end for being coupled the D2 of section two are connected with the one end for being coupled the D3 of section three, and the other end for being coupled section D3 extends forward.
It is coupled the D1 of section one to put in the B2 of ditch road one, the C1 of projection two puts in the B1 of projection one lower section, and the C1 of projection two is in connection
Tie on the D3 of section three.
The vertical size to span of the part of the higher positions of C2 of ditch road two is on the C1 of projection two with raised two C1
Be in the part of the C2 of ditch road two more lower positions it is vertical to the size of span be consistent.
The horizontal size to span for being coupled the D2 of section two is less than the horizontal size to span for being coupled the D1 of section one.
The vertical size to span for being coupled the D2 of section two is more than the vertical size to span for being coupled the D1 of section one.
Beneficial effects of the present invention are：
Such connecting piece, because the one end for being coupled the D2 of section two is connected with one end of connection section one D1, and it is coupled section
The one D1 other end extends towards the rear, so, when installation casing backing 2, connecting piece A3, it is coupled the D1 of section one towards ditch road one
B2 puts in the D1 of connection section one in the B2 of ditch road one.The mode so built, it is horizontal to not small with vertical regional extent,
So connecting piece A3 is built via the rear surface of casing backing 2, installation of the casing backing 2 with connecting piece A3 is reduced well
Difficulty.In addition because rectangular-shape flat board 3 achieves some positions stabilizations, make rectangular-shape flat board 3 further stable, linking
Prevent that the B1 of projection one alone damaged by pressure-bearing while rectangular-shape flat board 3.
Brief description of the drawings
Fig. 1 is a kind of structural representation that the Line Loss of Distribution Network System that prior art provides calculates device；
Fig. 2 is a kind of structural representation for the line loss concentrator that prior art provides；
Fig. 3 is another structural representation for the line loss concentrator that prior art provides；
Fig. 4 is another structural representation for the line loss concentrator that prior art provides；
Fig. 5 is another structural representation for the line loss concentrator that prior art provides；
Fig. 6 is another structural representation for the line loss concentrator that prior art provides；
Fig. 7 is the schematic diagram of the connecting piece of the present invention；
Fig. 8 is the partial enlarged drawing at Fig. 7 B.
Embodiment
The present invention is described further below in conjunction with embodiment.
In order to overcome deficiency of the prior art, the invention provides a kind of solution of portable line loss comprehensive analysis device
Scheme, it is specific as follows：
As Figure 1-Figure 8, portable line loss comprehensive analysis device, including line loss collector 200 and with line loss gather
The line loss concentrator 100 that device 200 connects；
Line loss collector 200 is located at power station area end, the ammeter access line damage collector 200 of power station area；
Line loss concentrator 100 includes embedded microprocessor 101, synchronous DRAM 102, Nand
Flash103, friendship is adopted and carrier channel module 104, power supply 105 and real-time clock 106；
Wherein, synchronous DRAM 102, Nand Flash 103, hand over and adopt and carrier channel module 104, power supply
105 and real-time clock 106 be connected with embedded microprocessor 101, wherein power supply 105 is connected with real-time clock 106.
Line loss collector 200 is located at power station area end, and the ammeter of collection user, the letter of collection are read by 485 interfaces
Breath includes：The table address of user, electric current, power factor, voltage and calculate loss of voltage angle, the active of electric energy meter copies degree of opinion.
For line loss concentrator 100 using multifunction chip as core, system design is that a SoC (System on Chip, is referred to as
System level chip), integrated chip carrier communication DSSS unit, there is the function that real-time display matches somebody with somebody variable element,
Parameter comprises at least electric current, voltage, active and reactive etc., and carrier communication DSSS unit, which also has, freezes day crucial electricity
The functions such as parameter storage, and transformer parameter can be combined and calculate measuring transformer copper loss, iron loss, weigh economical operation.It is embedded
The core that microprocessor is the data processing device of line loss concentrator, embedded microprocessor is line loss concentrator, it uses work
Industry rank high speed monolithic processor, data calculating processing, collection and the control to peripheral components are substantially carried out, can be 32 embedding
Enter microsever, or 64 embedded microprocessors.Synchronous DRAM and Nand Flash are line loss
The data storage of concentrator and the device of interim storage, the capacity of synchronous DRAM and Nand Flash is larger, protects
Hardware resource required during line loss concentrator operation complicated process is demonstrate,proved, display interface and succinct button are adapted to industry spot
Conventional man-machine interaction work.Friendship is adopted and carrier channel module passes through each phase voltage and the CT connection of binding post and power distribution network, reality
Now with the connection of power distribution network.The friendship adopt and carrier channel module in be integrated with friendship and adopt chip and carrier chip, chip is adopted in friendship can
The signals such as three-phase voltage, electric current to power distribution network are acquired, i.e., are acquired based on alternating current, can use ADI companies
AD77 series, CS546X series etc., the present embodiment are defined without adopting the concrete model of chip and carrier chip to friendship；Carrier wave
Chip mainly provides the signal condition and ALT-CH alternate channel of alternating-current parameter collection, while is also the passage of externally fed, prior
It is the passage of carrier communication, PL21 series, PL32 series etc. can be used to realize power line carrier communication function.Wherein, power supply
It is connected with real-time clock, power supply uses three phase supply, will not cause to power off because of phase shortage, also takes on the standby for providing real-time clock
The function of power supply, even if external power source power down, clock circuit also has back-up source and worked on.
Line loss concentrator 100 uses downwards power carrier mode, when initially restoring electricity or being connected to manual start's instruction,
The mode of power line carrier, PLC establishes the corresponding relation of line loss collector 200 and line loss concentrator 100, this to establish corresponding relation
Period be referred to as registration phase, the signal of this carrier communication can not pass to the high-pressure side of transformer, after succeeding in registration under bristle with anger
Make and be transferred to real-time data collection mode to line loss collector 200.After the data acquisition of line loss collector 200, local will be first stored in
In internal memory, then by power-line carrier communication, by the data transfer of line loss collector 200 to line loss concentrator 100, by line
Damage concentrator 100 and combine the highdensity localization mass data operational analysis of both data progress, and according to the equivalent electricity of power distribution network
New calculation method is hindered, obtains the technical loss of taiwan area, and then solve the big problem of line loss theoretical calculation workload.
Line loss concentrator in the present apparatus can be bonded system with software, also can independent operating, individually to power station area
Measure.During independent operating, there can be native's part work and part study on direct-on-line damage concentrator to take, wirelessly by client's actual conditions
The various ways such as reading, notebook computer reading.
Compared with software is calculated in the degree of accuracy of calculating and convenience, hardware unit has larger excellent hardware unit
Gesture, in addition, hardware unit can also realize rapid deployment, a kind of line loss concentrator is provided here, can solve the problem that the side by software
The problem of formula is calculated, and the degree of accuracy of calculating is not high and portability is poor.
With reference to shown in figure 2, in above-mentioned line loss concentrator, dot matrix LCD 107, dot matrix LCD and insertion can also be included
Microsever connects.
Dot matrix LCD module is LCDs, is shown for providing local operation and data.User can be according to the dot matrix
LCD module input parameter, after line loss concentrator is completed to the calculating of line loss, the dot matrix LCD module line loss value is shown.
With reference to shown in figure 3, in above-mentioned line loss concentrator, in addition to the key board of 6 key board 108,6 and the embedded place that declines
Manage device connection.
6 key boards are local inputs, check input parameter, and button operation, the operation of modification are carried out to line loss concentrator
Button, user can also carry out button operation according to 6 key board input parameters, and to line loss concentrator.
With reference to shown in figure 4, in above-mentioned line loss concentrator, in addition to USB data interface 109, USB data interface with it is embedding
Enter microsever connection.
Scalability is locally stored in the reserved local USB data interface of line loss concentrator, the convenient data in Large Copacity, with
And the real-time record of field data.
With reference to shown in figure 5, in described line loss concentrator, in addition to wireless module 110, wireless module decline with insertion
Processor connects；
Line loss concentrator by the data transfer currently obtained to background server, obtains background server by wireless module
Above-mentioned data are obtained to be calculated accordingly；
The background server is arranged in machine box for server, and machine box for server is rectangular parallelepiped structure, the background service
Device includes casing and multiple central processing circuit plates, and the casing is rectangular-shape, and central processing circuit plate is arranged in casing,
The mode that the background server is arranged in machine box for server is that the casing is shelved on the length being arranged in machine box for server
On cube shape flat board, the structure that rectangular-shape flat board is set in the machine box for server is：
Including the connecting piece A3 for casing backing 2 and rectangular-shape flat board are connected；
The B1 of projection one is set at the top of the rear surface of casing backing 2, casing backing 2 rear surface and be in projection
One B1 more lower position also sets up the B2 of Zhe Gou roads one；
It is coupled section one D1 and remains less than or the angle equal to 90 degree with being coupled between the D2 of section two；Connection section two D2 is same to be coupled section
Remained less than between three D3 or the angle equal to 90 degree；
The connection D2 of section two sets the projection section towards front projection, and projection section is at connection section two with being coupled the D3 of section three
D2 same one side, the C2 of ditch road two for allowing projection section to put in is set on the C1 of projection two；
After projection section puts in the C2 of ditch road two, projection section links rectangular-shape flat board 3.Because rectangular-shape flat board 3 obtains
Some positions are stable, make rectangular-shape flat board 3 further stable, while rectangular-shape flat board 3 is linked prevent projection one
B1 alone damaged by pressure-bearing.
The C1 of projection two is set in the bottom of the rear surface of rectangular-shape flat board 3.
The B1 of projection one bottom wall coordinates with phase interference fits between the C1 of projection two roof or gap, makes casing backing 2 firm
Rectangular-shape flat board 3 is linked by ground, is linked in so that this rectangular-shape flat board 3 is firm on casing backing 2.
Connecting piece A3 is stepped ramp type, and connecting piece A3 includes the connected D1 of connection section one of order, is coupled the D2 of section two with being coupled section
Three D3, the one end for being coupled the D2 of section two in addition is connected with one end of connection section one D1, and is coupled the D1 of section one other end backwards
Fang Yanshen, the other end for being coupled the D2 of section two are connected with the one end for being coupled the D3 of section three, and the other end for being coupled section D3 extends forward.
It is coupled the D1 of section one to put in the B2 of ditch road one, the C1 of projection two puts in the B1 of projection one lower section, and the C1 of projection two is in connection
Tie on the D3 of section three.
The vertical size to span of the part of the higher positions of C2 of ditch road two is on the C1 of projection two with raised two C1
Be in the part of the C2 of ditch road two more lower positions it is vertical to the size of span be consistent.
The horizontal size to span for being coupled the D2 of section two is less than the horizontal size to span for being coupled the D1 of section one.
The vertical size to span for being coupled the D2 of section two is more than the vertical size to span for being coupled the D1 of section one.
With reference to shown in figure 6, in above-mentioned line loss concentrator, in addition to debugging serial ports 111, debugging serial ports decline with insertion
Processor connects.
The reserved local debugging serial ports of line loss concentrator, updates work beneficial to field adjustable and program, maintains easily.
Such connecting piece, because the one end for being coupled the D2 of section two is connected with one end of connection section one D1, and it is coupled section
The one D1 other end extends towards the rear, so, when installation casing backing 2, connecting piece A3, it is coupled the D1 of section one towards ditch road one
B2 puts in the D1 of connection section one in the B2 of ditch road one.The mode so built, it is horizontal to not small with vertical regional extent,
So connecting piece A3 is built via the rear surface of casing backing 2, installation of the casing backing 2 with connecting piece A3 is reduced well
Difficulty.In addition because rectangular-shape flat board 3 achieves some positions stabilizations, make rectangular-shape flat board 3 further stable, linking
Prevent that the B1 of projection one alone damaged by pressure-bearing while rectangular-shape flat board 3.
The present invention is described by way of examples above, it will be understood by those of skill in the art that the disclosure is not
It is limited to embodiments described above, in the case of without departing from the scope of the present invention, can makes a variety of changes, changes and replace
Change.
Claims (8)
1. a kind of portable line loss comprehensive analysis device, it is characterised in that connect including line loss collector and with line loss collector
The line loss concentrator connect；
Line loss concentrator includes embedded microprocessor；
In described line loss concentrator, in addition to wireless module, wireless module are connected with embedded microprocessor；
Line loss concentrator by the data transfer currently obtained to background server, obtains background server by wireless module
Data are stated to be calculated accordingly；
The background server is arranged in machine box for server, and machine box for server is rectangular parallelepiped structure, the background server bag
Casing and multiple central processing circuit plates are included, the casing is rectangular-shape, and central processing circuit plate is arranged in casing, described
The mode that background server is arranged in machine box for server is that the casing is shelved on the cuboid being arranged in machine box for server
On shape flat board, the structure that rectangular-shape flat board is set in the machine box for server is：
Including the connecting piece for casing backing and rectangular-shape flat board are connected；
At the top of the rear surface of casing backing, projection one is set, casing backing rear surface and be in the lower of projection one
Position also sets up Zhe Gou roads one；
It is coupled section and is together coupled between section two and remains less than or the angle equal to 90 degree；It is coupled between Duan Ertong is coupled section three and keeps small
In or equal to 90 degree of angle；
Connection section two sets the projection section towards front projection, and projection section is at the same of connection section two with being coupled section three
Side, the ditch road two for allowing projection section to put in is set in projection two；
Projection section puts in ditch Lu Erhou, and projection section links rectangular-shape flat board.
2. portable line loss comprehensive analysis device according to claim 1, it is characterised in that after rectangular-shape flat board
The bottom of wall sets projection two.
3. portable line loss comprehensive analysis device according to claim 2, it is characterised in that the same projection of bottom wall of projection one
Phase interference fits or gap coordinate between two roof, allow casing backing securely to link rectangular-shape flat board.
4. portable line loss comprehensive analysis device according to claim 3, it is characterised in that connecting piece is stepped ramp type, connection
Tie part and be coupled section three including the connected connection section one of order, connection Duan Eryu, one end of connection section two is the same as the connection section in addition
One one end is connected, and the other end for being coupled section one extends towards the rear, is coupled the other end of section two with one end phase for being coupled section three
Even, the other end for being coupled section extends forward.
5. portable line loss comprehensive analysis device according to claim 4, it is characterised in that be coupled section one and put in ditch road one
In, projection two puts in the lower section of projection one, and projection two is in and is coupled on section three.
6. portable line loss comprehensive analysis device according to claim 5, it is characterised in that ditch road is in projection two
The vertical size to span of the part of two higher positions with the part that ditch Lu Ergeng lower positions are on raised two it is vertical to
The size of span is consistent.
7. portable line loss comprehensive analysis device according to claim 6, it is characterised in that be coupled section two it is horizontal to across
The size of degree is less than the horizontal size to span for being coupled section one.
8. portable line loss comprehensive analysis device according to claim 7, it is characterised in that be coupled section two it is vertical to across
The size of degree is more than the vertical size to span for being coupled section one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711021732.9A CN107576875A (en) | 2017-10-27 | 2017-10-27 | A kind of portable line loss comprehensive analysis device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711021732.9A CN107576875A (en) | 2017-10-27 | 2017-10-27 | A kind of portable line loss comprehensive analysis device |
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| CN107576875A true CN107576875A (en) | 2018-01-12 |
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| CN201711021732.9A Pending CN107576875A (en) | 2017-10-27 | 2017-10-27 | A kind of portable line loss comprehensive analysis device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN102931657A (en) * | 2012-11-14 | 2013-02-13 | 余姚市供电局 | Measuring and calculating device for line loss of power distribution network |
| CN107135292A (en) * | 2017-06-30 | 2017-09-05 | 努比亚技术有限公司 | The detachable shell fragment of two-part and mobile terminal |
| CN107144269A (en) * | 2017-07-19 | 2017-09-08 | 中国装饰股份有限公司 | The accurate unwrapping wire position indicator of projection |
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