CN207116010U - Nuclear power station Rod control and position indication system - Google Patents
Nuclear power station Rod control and position indication system Download PDFInfo
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- CN207116010U CN207116010U CN201721107891.6U CN201721107891U CN207116010U CN 207116010 U CN207116010 U CN 207116010U CN 201721107891 U CN201721107891 U CN 201721107891U CN 207116010 U CN207116010 U CN 207116010U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a kind of nuclear power station Rod control and position indication system, includes each function counter of electrical connection, and the function counter includes：Power cabinet, on-line monitoring cabinet, logic cabinet, measurement cabinet and processing cabinet, the electrical part of each function counter is installed in plug-in unit, plug-in unit is installed on by cabinet in the cabinet of each function counter, and in the different height of the rack biside plate, what is be parallel to each other is provided with cabinet installation guide rail；The upper and lower panel of the cabinet is provided with the projection towards cabinet inside, and adjacent two raised centre positions form chute, and the upper and lower panel of the plug-in unit is provided with the metal runners of type shape, blocks and in the chute.The system includes most basic function counter in nuclear power station Rod control and position indication system.Also, for the different electrical equipment of nuclear power station Rod control and position indication system, dismountable flexibly assembling can be carried out by plug-in unit, cabinet and rack, so as to meet that the different of nuclear power station Rod control and position indication system require.
Description
Technical field
Nuclear power control technology field is the utility model is related to, more particularly to a kind of nuclear power station Rod control and position indication system.
Background technology
In general, the electrical equipment of nuclear power station Rod control and position indication system is integrated in plug-in unit, plug-in unit is installed in cabinet, final machine
Box installed is assigned in rack.Due to the particularity of nuclear power station rod control rod position field functional requirement, the composition of its electrical equipment is often also because needing
That asks is different and different.Existing solution is designed and made according to the special functional requirement of user often by producer
Plug-in unit, cabinet and rack for being matched with electrical equipment etc., due to the situation of above-mentioned customization, cause expanding for nuclear power station Rod control and position indication system
Malleability and compatibility are poor, thus it is for example possible to can not compatible model or control function cabinet, thus just cause the system without
Method is multiplexed, and also has the defects of price is high and customized cycle is long concurrently.
Utility model content
Main purpose of the present utility model is to provide a kind of nuclear power station Rod control and position indication system, includes each function of electrical connection
Cabinet, the function counter include：Power cabinet, on-line monitoring cabinet, logic cabinet, measurement cabinet and processing cabinet, the electrical equipment of each function counter
Part is installed in plug-in unit, and plug-in unit is installed on by cabinet in the cabinet of each function counter,
In the different height of the rack biside plate, what is be parallel to each other is provided with cabinet installation guide rail；
The upper and lower panel of the cabinet is provided with the projection towards cabinet inside, and adjacent two raised centre positions are formed
Chute, the upper and lower panel of the plug-in unit are provided with the metal runners of type shape, block and in the chute.
By upper, the system includes most basic power cabinet in nuclear power station Rod control and position indication system, on-line monitoring cabinet, logic
Cabinet, measurement cabinet and processing cabinet.Also, can inserting by different height for the different electrical equipment of nuclear power station Rod control and position indication system
Part, cabinet carry out dismountable flexibly assembling and the extension of different electrical equipment from rack and assembled, so as to meet nuclear power station rod control rod
The different requirements of position system, by the system can the demand such as the plug-in unit of compatible different model or control function, cabinet, so as to
It is customized to remove repetition from, saves cost.
Wherein, cabinet installation guide rail includes recess and bottom, and the recess of the recess is towards cabinet inner side, the bottom
Portion upward, for supporting cabinet；
The left and right outer wall of the cabinet is provided with multiple sliding blocks, and the sliding block is slidably installed in the recess.
By upper, the detachable installation of cabinet and rack is realized.And slided by recess of the plastic slide block in the guide rail,
So as to reduce contact engaging and separating force of the cabinet in rack.
Wherein, the recess of cabinet installation guide rail also includes one and the perpendicular side plate in bottom, on the side plate with
The position of the described left and right wall contacts of cabinet is pasted with beryllium-bronze piece；
The first grounding copper bar is provided with cabinet bottom plate；
The second grounding copper bar is installed by insulated column on rack column, the signal ground of second grounding copper bar and plug-in unit leads to
Cross wire electrical connection.
By upper, beryllium-bronze piece contacts with the left side plate of cabinet, realizes the electric continuity of cabinet and rack.In cabinet bottom plate
On be provided with the first grounding copper bar, so as to pass through the first grounding copper bar be grounded.Electrical appliance enclosure is set to be directly connected to the earth, when
When leaking electricity, underground is passed to by shell, reduction passes through body current, prevents electric shock casualty accident.In addition, plug-in unit
Signal ground ultimately leads to the second grounding copper bar of protective grounding by wire connection.It is single when occurring by neutral-point solid ground
When being mutually grounded, Earth Phase forms current loop with neutral point, and the electric current flowed through is very big, so that protection act.
Wherein, the cabinet inside, Harding's connector is fixed by Harding's connector fixed plate, in Harding's connector
Pin position, be provided with lead, the lead is fixed in Harding's connector fixed plate；
Pilot hole is set on the outside of the plug-in unit rear board, and the pilot hole is corresponding with the position of the lead, export
The function signal binding post of plug-in unit；
The case back plate is provided with Air China's opto-electric connector, the cable that Harding's connector is drawn be connected to it is described in
Navigate opto-electric connector.
By upper, plug-in unit and cabinet are docked by Harding's connector, and plug-in unit can be with fast insert-pull, when single plug-in unit breaks down
It can rapidly extract, be replaced with standby plug-in unit；Signal guides to Air China's opto-electric connector, and Air China's opto-electric connector plug and socket leads to
Crossing rotation can separate, and when cabinet breaks down, Air China's opto-electric connector can be outwarded winding, cabinet is extracted, uses guest machine
Case is replaced.The quick replacement that plug-in unit and cabinet are set, it ensure that the overall performance of system.
Wherein, the high performance components in the plug-in unit are close to the radiator side plate setting of plug-in unit, each function component
It is integrated on a pcb board, the upper and lower panel of the plug-in unit is provided with plug-in unit heat emission hole；
After the plug-in unit inserts cabinet, in the position that cabinet upper and lower panel and the plug-in unit heat emission hole coincide, set
There is chassis radiating hole.
By upper, pass through the heat emission hole of position coincidence on plug-in unit, cabinet so that when cold air circulates, take away the heat inside plug-in unit
Energy.
Wherein, plate is additionally provided with web beam above the cabinet, is provided with the web beam and cabinet
Above and below Board position overlaps, size identical web beam heat emission hole.
By upper, due to including multiple cabinets in rack, and what is be in contact between each cabinet from top to bottom stacks, by adding
Deck transverse shares the pressure of top cabinet, avoids oppressing the plug-in unit in cabinet.
Wherein, the epoxy resin slideway parallel with metal runners, the epoxy are additionally provided with the upper and lower panel of plug-in unit
Resin slideway is fixed on the radiator.
By upper, because the more general material of epoxide resin material has higher intensity, hence in so that slideway can be born more
Big pressure.
Wherein, incoming line is set at the top plate of the measurement cabinet-type air conditioner cabinet, in the different height of the side plate inwall of the rack,
It is fixed with cable clamp；
The cable clamp is rectangular configuration, some arcuate recess is set on one side of rectangular configuration, the two of rectangular configuration
End is respectively symmetrically provided with counter sink and screwed hole.
Because measurement cabinet has substantial amounts of cable to enter interior of equipment cabinet, therefore, measurement cabinet uses upper wiring pattern, in measurement cabinet
Incoming line is set at the top plate of rack, for introduction to cable.Cable is clamped by cable clamp, ensure the clean and tidy of cable in cabinet with
Electrical Safety.
Wherein, a Fans cabinet is installed in the upper, middle and lower position in the measurement cabinet-type air conditioner cabinet respectively, per Fans cabinet
At least one blower fan is inside installed, the blower fan is fixed on the inwall of blower fan cabinet.
By upper, pass through blower fan " relay " so that cold air accelerates the heat energy taken out of in rack.
Wherein, in addition to cable pinboard, for the cable for measuring cabinet and power cabinet to be transferred into nuclear island；
The cable pinboard includes the main body frame being welded by upper plate and upper board mount；
The upper board mount of each row longitudinal arrangement is fixed with the longeron that section is Qian font, is set in the side wall of the longeron
There is mounting hole；
The crossbeam being installed at the mounting hole of the longeron being parallel to each other, the section of the crossbeam is L-type, in L-type one
Side is provided with mounting hole, for installing tension disc；
The tension disc is triangular structure, and the height of intermediate projections is less than cable diameter, is provided at both ends with its bottom
With the installation bore dia identical through hole.
By upper, the fixation of cable is realized by cable pinboard, so that cable is finally transferred into nuclear island.
Brief description of the drawings
Fig. 1 is the principle schematic of nuclear power station Rod control and position indication system；
Fig. 2 is the arrangement schematic diagram of power cabinet rack；
(A) is the structural representation of power cabinet rack in Fig. 3；
(B) is the rearview schematic diagram of power cabinet rack in Fig. 3；
(A) is the structural representation of power cabinet in power cabinet rack in Fig. 4；
(B) is the internal structure schematic diagram of power cabinet in power cabinet rack in Fig. 4；
(A) is the structural representation of lead in power cabinet China and Kazakhstan fourth connector fixed plate in Fig. 5；
(B) is the structural representation of pilot hole on power plug-in unit in Fig. 5；
(A) is the structural representation of power plug-in unit in Fig. 6；
(B) is the structural representation of metal track on power plug-in unit in Fig. 6；
(C) is the internal structure schematic diagram of power plug-in unit in Fig. 6；
Fig. 7 is the radiating effect schematic diagram of power cabinet rack；
Fig. 8 is the structural representation of grounding copper bar in power cabinet rack；
(A) is the structural representation of measurement cabinet-type air conditioner cabinet in Fig. 9；
(B) is the structural representation of cable clamp in Fig. 9；
(C) is the principle schematic of cable clamp splicing in Fig. 9；
(A) is the radiating schematic diagram of measurement cabinet-type air conditioner cabinet in Figure 10；
(B) is the structural representation of blower fan cabinet in measurement cabinet-type air conditioner cabinet in Figure 10；
Figure 11 is the arrangement schematic diagram of logic cabinet rack；
Figure 12 is the arrangement schematic diagram of processing cabinet-type air conditioner cabinet；
Figure 13 is the arrangement schematic diagram of on-line monitoring cabinet-type air conditioner cabinet；
Figure 14 is the structural representation of cable pinboard；
(A) is the structural representation of tension disc in Figure 15；
(B) is the operation principle schematic diagram of tension disc in Figure 15.
Embodiment
Nuclear power station Rod control and position indication system described in the utility model is described in detail referring to Fig. 1~Figure 15.
As shown in figure 1, nuclear power station Rod control and position indication system includes consisting of part：
Power cabinet component 11, for the operation order sent according to logic cabinet 13 described hereinafter, timing instructions are produced, point
Kong Zhi not drive mechanism lifting coil, transmission coil and hold-in winding.Control rod lifted, inserted on request and keep constant.
In the present embodiment, power cabinet component 11 includes the first to the 16th power cabinet.
Monitor cabinet 15 on-line, connect 16 power cabinets in power cabinet component 11 respectively, for monitoring and diagnosing in real time
The current waveform of 16 power cabinets, reliable data are provided for the system failure.
Logic cabinet 13, communicated to connect by gateway and scattered control system (DCS), assigned according to scattered control system
Instruction control is correspondingly outputting to corresponding power cabinet in power cabinet component 11.
Cabinet component 12 is measured, for providing exciting curent to the primary coil of 33 stick location probes.It is described excitatory
Electric current can change and automatically adjust with stick location probe load impedance, to ensure that stick location probe primary coil magnetic field is substantially steady
Fixed, measurement cabinet component 12 is received from the respective independent measuring stick position information of 33 stick location probes, with to described hereinafter
Measuring stick position information after the offer of cabinet 14 shaping, coding is provided and measures the operating state data of cabinet itself.In the present embodiment, survey
Measuring cabinet component 12 includes first to fourth measurement cabinet.
Cabinet 14 is handled, is electrically connected with the measurement cabinet component 12, is received the data for carrying out measurement cabinet component 12, pass through gateway
It is forwarded to the scattered control system for communicating with connection.
In the present embodiment, power cabinet component 11, measurement cabinet component 12, logic cabinet 13, processing cabinet 14 and on-line monitoring cabinet 15
Circuit connection and each comfortable nuclear power station Rod control and position indication system in function it is same as the prior art, repeat no more.
Above-mentioned each rack for assembly unit is in the rack shown in Fig. 2.Illustrated first by taking the rack for setting up power cabinet as an example.
Machine cabinet body frame height is 2100mm, if main body frame, by the way of welding, after welding cooling, framework is easy
Deformation, the precision of rack are difficult to ensure that.In order to improve the manufacture of rack, assembly precision, secret service the number of working processes, the master of rack are reduced
Body framework by metal plate bending and molding, is fixed, to ensure the intensity of base by cold-rolled steel sheet or stainless steel with bolt and base.
Rack function section is boundary line with the central post 34 of rack, is divided into preceding function section and rear function section.In described
Clothes closet 34 is to be arranged on the column that rack biside plate center is from top to bottom fixed vertically.As shown in Fig. 3 (A), preceding function section
The main installation for realizing the functional modules such as cabinet, plug-in unit and programmable logic controller (PLC) (PLC), above-mentioned functional module are used to realize
The function of power cabinet.As shown in Fig. 3 (B), rear function section is used for the laying of cable and the installation of binding post, will be detailed later
State.
As shown in Fig. 2 functional module includes indication panel 21, man-machine panel 22 (PLC), power cabinet 23, LC main power sources
Cabinet 24, SG/MG main power sources cabinet 25 and LNE/LMA power inserts 26.
The indication panel 21 can be directly fixed at the arranged on left and right sides plate of rack by bolt, and indication panel 21 is located at
The topmost of rack.
Man-machine panel 22 is fixed on PLC fixed mounts 31, and the lower section of the indication panel 21 is located in rack.It is described
PLC fixed mounts 31 are secured by bolts at the arranged on left and right sides plate of rack.
Power cabinet 23 is installed guide rail 32 by cabinet and is fixed, and the cabinet installation guide rail 32 is secured by bolts in
At the arranged on left and right sides plate of rack.The guide rail 32 includes recess and bottom, and the recess of the recess is described towards cabinet inner side
It is bottom-up, for supporting power cabinet 23.
The power cabinet 23 selects 430 stainless steels, and 430 stainless steels have the stronger anti-ability of getting rusty, and simultaneously
Conductive and magnetic conductivity, electromagnetic protection and magnetic field protection can be played a part of simultaneously.In addition, it is necessary to explanation,
All cabinets in each rack of the system, using above-mentioned 430 stainless steel, and casing structure is identical with power cabinet 23.
For power cabinet 23 using the assembled design philosophy of multiple simple components, process is simple, and required process is less, fits
Batch production is closed, and effectively avoids stress rebound phenomenon caused by cabinet integrated sheet-metal bending so that after cabinet assembling not
Deformation, so as to ensure that the precision of cabinet, to installation of the plug-in unit in cabinet, the accurate docking of plug, there is provided ensure.
As Fig. 4 (A) show the outside principle schematic of power cabinet 23, power cabinet 23 includes：Top panel 43, below
Plate 46, left plate 47, the web beam 41 of right plate 44 and plate located above 43, each part are fixed by staking mode connects for screw.
Further, be additionally provided with the web beam 41 overlapped with above and below Board position, size identical web beam radiating
Hole.It is in the purpose that top panel 43 sets web beam 41：Due to including multiple cabinets, and phase between each cabinet in rack
Contact is from top to bottom stacked, and the pressure of top cabinet is shared by web beam 41, avoids pressing the plug-in unit in cabinet
Compel.
Above the power cabinet 23 plate 43, chute 42 for installing plug-in unit is directly stamped out on lower panel 46.Institute
It is the projection towards cabinet inside to state chute 42, and the chute 42 is just formed among two projections.The left plate 47 of power cabinet 23,
The outer wall of right plate 44 installs 4 rectangular plastic sliding blocks 45 in the horizontal direction at lower panel, its object is to：Slided by plastics
Block 45 slides in the recess of the guide rail 32, so as to reduce contact engaging and separating force of the cabinet in rack.Due to the plastic slide block 45 with
Cabinet installation guide rail 32 is electrically insulated, so being pasted with beryllium in the position that the epipleural for installing the recess of guide rail 32 contacts with cabinet
Bronze flake 33, so that after cabinet loads rack, beryllium-bronze piece 33 contacts with the left side plate of cabinet, realizes cabinet and rack
Electric continuity.
In order to ensure that heat caused by component work sheds from cabinet in time on plug-in unit, the top panel of power cabinet 23
43rd, lower panel 46 and web beam 41 are provided with position coincidence, the identical chassis radiating hole 40 of size.
As Fig. 4 (B) show the inside principle schematic of power cabinet 23, the power cabinet 23 is internally provided with Harding
Connector 481, the plug and socket of Harding's connector 481 are the forms in " pin " and " hole ".It is point with Harding's connector 481
Boundary line, it is preceding function section in the one side of its plug institute direction, for installing power plug-in unit；It is in the one side of its socket institute direction
Function section afterwards, for connecting wire.In addition, in the end face of rear functional areas, i.e., it is additionally provided with the rear board of power cabinet 23
Air China's opto-electric connector 491.
Harding's connector 481 is reinforced by Harding's connector fixed plate 482.Harding's connector fixed plate
482 are secured by bolts in the inwall of power cabinet 23.Likewise, Air China's opto-electric connector 491 passes through Air China's opto-electric connector
Fixed plate 492 is reinforced.Air China's opto-electric connector fixed plate 492 and the rear board of power cabinet 23 can be same machine
Structure.
Power plug-in unit is docked by Harding's connector 481 and power cabinet 23, and power plug-in unit can be single dynamic with fast insert-pull
Power plug-in unit can be extracted rapidly when breaking down, and be replaced with stand-by power plug-in unit；Signal cable guides to Air China's opto-electric connector
491, then the binding post (not shown) that signal is guided on rack respectively by wire harness.The plug of Air China's opto-electric connector 491
It can be separated by rotation with socket, when power cabinet 23 breaks down, Air China's opto-electric connector 491 can be outwarded winding,
Power cabinet 23 is extracted, and is replaced with stand-by power cabinet.
Further, since the mechanical strength of " pin " of plug is very low in Harding's connector 481, quickly inserted in power plug-in unit
When pulling out, it is easy to cause " pin " deformation to fracture.Though guider of the Harding's connector 481 itself with certain guide function
(not shown), but mechanical strength is not high enough.Based on this, the present embodiment is by setting guiding mechanism to overcome drawbacks described above.Such as Fig. 5
(A), shown in 5 (B), lead 51 is set in Harding's connector fixed plate 482, sets and is oriented on the outside of the backboard of power plug-in unit
Hole 52.The pilot hole 52 exports the function signal binding post of plug-in unit.It can be appreciated that the position of lead 51 is with breathing out
" pin " of fourth connector 481 is corresponding, and the pilot hole 52 is corresponding with the position of lead 51.
The diameter of the lead 51 is slightly less than the diameter of pilot hole 52, and the top of lead 51 (is not schemed for chamfering structure
Show), the diameter for making its top is gradual change and small, facilitates lead 51 to insert pilot hole 52；The height of lead 51 necessarily be greater than
The height of the socket of Harding's connector 481, when power plug-in unit inserts power cabinet 23, lead 51 and pilot hole 52 connect at first
Touch, lead 51 inserts pilot hole 52, to correct the position of power plug-in unit.When power plug-in unit continues into, Harding's connector
481 guiders of itself play a role, and power plug-in unit is further corrected, now power plug-in unit and Harding's connector 481
" pin " and " hole " aligns completely, and plug-in unit continues into, then " pin " and " hole " of connector completes docking.
As Fig. 6 (A) show the outside schematic diagram of power plug-in unit.Power plug-in unit material is 430 stainless steels, power plug-in unit master
To be assembled by front and back panel, upper and lower panel, left side plate, each part is connected by screw bolts.Power plug-in unit uses simple portion
The assembled design philosophy of part, process is simple, and required process is less, can effectively ensure that the design accuracy of plug-in unit.By Fig. 2
It is not difficult to find out with Fig. 5, can multiple power plug-in units placed side by side in a power cabinet 23.
Slideway 61 is respectively arranged with the upper and lower panel of power plug-in unit.The slideway 61 is directly rushed using mould
Pressure, as Fig. 6 (B) show the schematic diagram of slideway 61, the slideway 61 is the metal runners of "convex" shaped shape, card and in Fig. 4 (A)
Shown in power cabinet 23 above plate 43, lower panel 46 chute 42 in.
As Fig. 6 (C) show the schematic internal view of power plug-in unit, to improve the heat dispersion of power plug-in unit, described dynamic
The upper and lower panel of power plug-in unit stamps out plug-in unit heat emission hole 63.The position of plug-in unit heat emission hole 63 meets to insert power in power plug-in unit
After cabinet 23, coincidence of being alignd with the chassis radiating hole 40 on power cabinet 23.
High performance components 64 produce substantial amounts of heat in power plug-in unit, in order that heat sheds in time, the present embodiment is adopted
The side plate of power plug-in unit is directly served as with a radiator 65, high performance components 64 are close to the radiator 65 and installed.It is described dynamic
Each function component in power plug-in unit it is integrated with a pcb board 66.Further, in order to prevent caused by high performance components 64
Electromagnetic field produces interference to the component on pcb board, and a barricade 67, the screen are installed between pcb board and high performance components
Shield plate 67 uses 430 stainless steel plates, thus plays electromagnetic protection effect.
Further, because the weight of power plug-in unit is larger, if using metal runners 61 merely, power plug-in unit is in power
Easy jam when being plugged in cabinet 23.Therefore, as shown in Fig. 6 (A), it is additionally provided with the upper and lower panel of power plug-in unit and metal
The parallel epoxy resin slideway 62 of slideway 61, the epoxy resin slideway 62 is fixed on power plug-in unit radiator 65.Due to
The more general material of epoxide resin material has higher intensity, hence in so that slideway can bear bigger pressure.
The function signal cable and service cable of power plug-in unit are drawn from Harding's connector 481, finally guide to Air China's light
In electric connector 491.As shown in Fig. 3 (B), the cable drawn by Air China's opto-electric connector 491 is finally secured to rack back plate
Cabling channel 35 in.The right and left on the outside of the rack rear board, 2 cabling channels 35 and a 35mm standard are installed respectively
Guide rail (not shown) is installed.Wherein, the power cable of power plug-in unit and signal cable are separately laid on the cabling channel of rack both sides
In 35, interference of the power line to signal wire is avoided.35mm standards installation guide rail is used for link terminal.
Fig. 7 show the radiating effect schematic diagram of rack.Air inlet 71 is arranged on below the front panel of rack.Preferably,
Dustproof sponge (not shown) is installed at the air inlet 71.Air outlet 72 is arranged on above the rear board of rack.It is described go out
Ventilating fan (not shown) is additionally provided with air port 72.Above-mentioned design is due to that heat release is in rack caused by component, machine
Air heats volumetric expansion in cabinet, density diminish, and hot-air will rise to the top of rack, and ventilating fan thus is arranged on into machine
Above cabinet rear board, radiating efficiency can be accelerated.Arrow show cold wind trend in Fig. 7, and cold wind enters rack from air inlet 71
Afterwards, flow through from the heat emission hole of power cabinet and power plug-in unit, finally flowed out from air outlet 72.Further, due to power plug-in unit
Function section before being concentrated on Deng heating equipment, to make function section before air channel concentrates on, dividing plate is installed additional between forward and backward functional areas
(not shown).
It is preceding to have addressed, by installing beryllium-bronze piece 33 on installation guide rail 32 to realize power cabinet and power cabinet rack
Electric continuity.In addition, during power plug-in unit insertion power cabinet, the metal runners 61 of power plug-in unit and the chute 42 of power cabinet
Contact, realize the electric continuity of power plug-in unit and power cabinet；The front and back panels of rack and the forward and backward face of rack metab
Grounding screw (not shown) is respectively welded, the grounding screw with copper wire braid (not shown) the rack front and back panels
It is connected with the forward and backward earthing rod of rack metab, realizes the electric continuity of rack front and back panels and machine cabinet body；Rack
Left and right side panel realizes the electric continuity of side of cabinet plate and machine cabinet body by being bolted directly on rack column.Base
In above-mentioned design, meet the working earthing of plug-in unit, cabinet, rack, i.e., equipment (e-qui pment ground) be electrically connected
Continuous property.The working earthing is to be directly connected to electrical appliance enclosure and the earth, when leaking electricity, passes through the incoming ground of shell
Under, reduction passes through body current, prevents electric shock casualty accident.Specifically, as shown in figure 8, it is provided with cabinet bottom plate
First grounding copper bar 81, so as to be grounded by the first grounding copper bar 81.
In addition, also include protective grounding, i.e. signal ground (signalreference ground).The protective grounding is logical
Neutral-point solid ground is crossed, when single-phase earthing occurs, Earth Phase forms current loop with neutral point, and the electric current flowed through is very
Greatly, so that protection act.In the present embodiment, the second grounding copper bar 82 of protective grounding, stood by insulated column installed in rack
On post.The signal ground of power plug-in unit ultimately leads to the second grounding copper bar 82 of protective grounding by wire connection.
Above-mentioned is the structure of power cabinet 23 and power plug-in unit and position relationship and annexation with cabinet.Power supply
LC main power sources cabinet 24, SG/MG main power sources cabinet 25 and LNE/LMA power inserts 26 and above-mentioned power cabinet 23 in cabinet-type air conditioner cabinet
And the structure of power plug-in unit is identical, will not be repeated here.
In addition, including measurement cabinet-type air conditioner cabinet, logic cabinet rack, processing cabinet-type air conditioner cabinet and on-line monitoring cabinet-type air conditioner cabinet in plug-in unit, cabinet,
The structure of rack is based on based on above-mentioned power cabinet rack.Difference is that the plug-in unit in other racks realizes that function is different from
Plug-in unit in power plug-in unit, such as measurement cabinet-type air conditioner cabinet is measure plug-in etc., and corresponding cabinet is measurement cabinet.Need additional description
Be, above-mentioned each rack be different from power cabinet rack structure respectively details are as follows：
Measure cabinet-type air conditioner cabinet
Fig. 9 (A) show the principle schematic of measurement cabinet-type air conditioner cabinet.The difference structure of measurement cabinet-type air conditioner cabinet and power cabinet rack exists
In the setting of incoming line 91.Because measurement cabinet has substantial amounts of cable to enter interior of equipment cabinet, therefore, measurement cabinet uses upper incoming line side
Formula.Incoming line 91 is set at the top plate of measurement cabinet-type air conditioner cabinet, for introduction to cable.
Preferably, in the measurement cabinet interior of equipment cabinet, cable clamp 92 is additionally provided with.After cable enters rack, a part of line
Cable is connected on the binding post (not shown) on rack top, and remaining cable continues down cabling.In rack from top to bottom, with
Number of cables is gradually decreased, and the quantity of corresponding cable clamp is reduced therewith.
As Fig. 9 (B) show the structural representation of cable clamp 92.Cable clamp 92 uses aluminum alloy material, and it is square that it is outside
Shape structure, some arcuate recess 923 are set on one side of rectangular configuration, it is heavy in being respectively symmetrically provided with for the both ends of rectangular configuration
Head bore 921 and screwed hole 922.When being installed, used by the way of the combination of at least two cable clamps.Such as Fig. 9 (C) institute
Show, the place side of arcuate recess 923 of two cable clamps is relative, and thus arcuate recess 923 forms annulus with card and cable.Counter sink
Two cable clamps, are tightened by 921 alignment screwed holes 922 by screwing in sunk screw 924.Further, when cable is more,
When needing multiple cable clamps 92, illustrated by taking 4 cable clamps as an example.First, second cable clamp and the three, the 4th cable clamps are adopted
It is fixed in fashion described above.Side where the non-arcuate hole of second, third cable clamp is relative, and the 3rd cable is passed through with sunk screw
The screwed hole 922 of the cable clamp of counter sink 921 and second of folder fixes the two.It can be appreciated that when needing more cable clamps,
It is extended using above-mentioned connected mode.Further, the seamed edge of the arcuate recess 923 uses chamfering structure, to prevent from drawing
Hinder cable.
Figure 10 (A) show the radiating schematic diagram of measurement cabinet-type air conditioner cabinet, due to 6 measurement cabinets 103 of installation in measurement cabinet, and
The plug-in unit measured in cabinet 103 is more, therefore it is larger to measure windage in cabinet-type air conditioner cabinet.Thus, the upper, middle and lower position in measurement cabinet
One Fans cabinet 104 is installed respectively, by the way of " relay ", heat is given out rack.As shown in Figure 10 (B), every
4 blower fans are installed in blower fan cabinet 104, adopt the inwall for being bolted to blower fan cabinet 104.When any fan trouble,
Blower fan cabinet can be extracted, and carry out maintenance replacement.
Logic cabinet rack
Logic cabinet 13 needs to install a large amount of PLC modules 111, also needs installation to include display 112, the and of industrial computer 113 in addition
24V power inserts 114, and connection cables are needed between PLC module 111 and industrial computer 113 and 24V power inserts 114, these yuan
Device can not realize whole installations in a rack, if in two racks, can increase cable trails length, make letter
Number decay, influence performance.Thus, as shown in figure 11, logic cabinet rack is disjunctor cabinet, i.e., is formed including two single cabinets, two single cabinets
Between separated using stainless steel separator, so as to carry out the electromagnetic isolation between two single cabinets.The dividing plate is provided with cabling
Hole (not shown), in order to connection cables between component.
Handle cabinet-type air conditioner cabinet
As shown in figure 12, the unique difference for handling cabinet-type air conditioner cabinet and aforementioned logic cabinet-type air conditioner cabinet is, in the top of display 122
It is provided with gateway 125.Remaining PLC module 121, display 122, industrial computer 123 and 24V power inserts 124 fixed structure with
Logic cabinet rack is identical, repeats no more.
Monitor cabinet-type air conditioner cabinet on-line
As shown in figure 13, on-line monitoring cabinet-type air conditioner cabinet is included in the power insert 131 and CRDM signal plug-in units of rack top
132, and the display 133 below the two.Signal converting plug-in unit 134 below the display 133.In the signal
The industrial computer 135 of the lower section of patchboard 134, and the printer 136 in the rack bottom.
In addition, the system also includes cable pinboard, for will measure the measurement cable of cabinet and the power cable of power cabinet
Switching enters nuclear island.
As shown in figure 14, cable pinboard includes the main body frame being welded by upper plate 141 and upper board mount 142.Institute
Board mount 142 is stated as six, respectively 2 points of four end points positioned at upper plate 141 and center, so as to form three row.Further
, the bottom of board mount 142 in the heel row of each row, stand steel pipe 143 is also welded with, by the height of adjusting bracket steel pipe 143,
The gradient of upper plate 141 can be adjusted.Such as in the present embodiment, upper plate 141 is horizontal by 30 ° of inclinations, so as to ensure work
Upper plate 141 is vertical with the sight of staff when personnel overlook.It is disbursed from the cost and expenses three and fixes a section on frame 142 respectively as " Qian " type
Longeron 145, the longeron 145 is horizontal by 30 ° of inclinations.In the side wall of the longeron 145, set at interval of certain distance
One mounting hole 1451.The arrangement installation at least eight row crossbeams 144 being parallel to each other, are secured by bolts in the mounting hole 1451
Place.The section of the crossbeam 144 is " L " type, at the both ends and center of the side of " L " type one, is provided with and the mounting hole
The mounting hole of 1451 same diameters, to realize the fixation between crossbeam 144 and longeron 145.In another side of " L " type, etc.
Some through holes of setting of spacing, for fixing tension disc.For ease of processing and the standardization of bolt, if another side
The diameter of dry through hole is identical with the mounting hole 1451.
As Figure 15 (A) show the structural representation of tension disc.Tension disc is triangular structure, and the height of intermediate projections is omited
Less than cable diameter, so as to which cable is compressed.Be provided at both ends with its bottom with the diameter identical through hole of mounting hole 1451,
To screw in the fixation that bolt realizes tension disc and crossbeam 144, i.e. shown in Figure 15 (B), as tension disc compresses power cable, surveyed
Measure the schematic diagram fixed after cable with the phase of crossbeam 144.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (10)
1. a kind of nuclear power station Rod control and position indication system, includes each function counter of electrical connection, the function counter includes：It is power cabinet, online
Monitor cabinet, logic cabinet, measurement cabinet and processing cabinet, the electrical part of each function counter to be installed in plug-in unit, plug-in unit is pacified by cabinet
In cabinet loaded on each function counter, it is characterised in that
In the different height of the rack biside plate, what is be parallel to each other is provided with cabinet installation guide rail (32)；
The upper and lower panel of the cabinet is provided with the projection towards cabinet inside, and adjacent two raised centre positions form chute
(42), the upper and lower panel of the plug-in unit is provided with the metal runners (61) of type shape, blocks and in the chute (42).
2. system according to claim 1, it is characterised in that the cabinet installation guide rail (32) includes recess and bottom,
The recess of the recess is described bottom-up towards on the inside of cabinet, for supporting cabinet；
The left and right outer wall of the cabinet is provided with multiple sliding blocks (45), and the sliding block (45) is slidably installed on the recess
In.
3. system according to claim 1, it is characterised in that the recess of cabinet installation guide rail (32) also include one with
The perpendicular side plate in bottom, the position of the described left and right wall contacts on the side plate with cabinet are pasted with beryllium-bronze piece
(33)；
The first grounding copper bar (81) is provided with cabinet bottom plate；
The second grounding copper bar (82), second grounding copper bar (82) and the signal of plug-in unit are installed by insulated column on rack column
Ground is electrically connected by wire.
4. system according to claim 1, it is characterised in that the cabinet inside, pass through Harding's connector fixed plate
(482) fixed Harding's connector (481), in the pin position of Harding's connector (481), is provided with lead (51), described
Lead (51) is fixed on Harding's connector fixed plate (482)；
Setting pilot hole (52), the pilot hole (52) are relative with the position of the lead (51) on the outside of the plug-in unit rear board
Answer, export the function signal binding post of plug-in unit；
The case back plate is provided with Air China's opto-electric connector (491), and the cable that Harding's connector (481) is drawn is connected to
Air China's opto-electric connector (491).
5. system according to claim 1, it is characterised in that the high performance components (64) in the plug-in unit are close to plug-in unit
A radiator (65) side plate set, each function component is integrated on a pcb board (66), and the upper and lower panel of the plug-in unit is set
It is equipped with plug-in unit heat emission hole (63)；
After the plug-in unit inserts cabinet, in the position that cabinet upper and lower panel and the plug-in unit heat emission hole (63) coincide, set
There is chassis radiating hole (40).
6. system according to claim 5, it is characterised in that plate is additionally provided with web beam above the cabinet
(41), be provided with the web beam (41) overlapped with the above and below Board position of cabinet, size identical web beam radiating
Hole.
7. system according to claim 5, it is characterised in that be additionally provided with the upper and lower panel of plug-in unit and slided with metal
The parallel epoxy resin slideway (62) in road (61), the epoxy resin slideway (62) are fixed on the radiator (65).
8. system according to claim 1, it is characterised in that incoming line is set at the top plate of the measurement cabinet-type air conditioner cabinet
(91), the rack side plate inwall different height, be fixed with cable clamp (92)；
The cable clamp (92) is rectangular configuration, some arcuate recess (923) is set on one side of rectangular configuration, in rectangular configuration
Both ends be respectively symmetrically provided with counter sink (921) and screwed hole (922).
9. system according to claim 8, it is characterised in that pacify respectively the upper, middle and lower position in the measurement cabinet-type air conditioner cabinet
A Fans cabinet (104) is filled, interior per Fans cabinet (104) to be provided with least one blower fan, the blower fan is fixed on blower fan
The inwall of cabinet (104).
10. system according to claim 1, it is characterised in that also including cable pinboard, for cabinet and power supply will to be measured
The cable of cabinet is transferred into nuclear island；
The cable pinboard includes the main body frame being welded by upper plate (141) and upper board mount (142)；
The upper board mount (142) of each row longitudinal arrangement is fixed with the longeron (145) that section is Qian font, in the longeron (145)
Side wall on be provided with mounting hole (1451)；
The crossbeam (144) at mounting hole (1451) place for being installed on the longeron being parallel to each other, the section of the crossbeam (144) is
L-type, the side of L-type one is provided with mounting hole, for installing tension disc；
The tension disc is triangular structure, and the height of intermediate projections is less than cable diameter, is provided at both ends with its bottom and institute
State mounting hole (1451) diameter identical through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107891.6U CN207116010U (en) | 2017-08-31 | 2017-08-31 | Nuclear power station Rod control and position indication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107891.6U CN207116010U (en) | 2017-08-31 | 2017-08-31 | Nuclear power station Rod control and position indication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207116010U true CN207116010U (en) | 2018-03-16 |
Family
ID=61574254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721107891.6U Active CN207116010U (en) | 2017-08-31 | 2017-08-31 | Nuclear power station Rod control and position indication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207116010U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378720A (en) * | 2018-09-30 | 2019-02-22 | 宁夏共享机床辅机有限公司 | A kind of industrial microwave magnetron power source cabinet |
| CN110380337A (en) * | 2019-07-01 | 2019-10-25 | 常州博瑞电力自动化设备有限公司 | It is a kind of quickly to patch assembling device modular structure |
| CN113473775A (en) * | 2021-06-29 | 2021-10-01 | 杨勇 | Energy-saving and environment-friendly electronic communication equipment case |
-
2017
- 2017-08-31 CN CN201721107891.6U patent/CN207116010U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378720A (en) * | 2018-09-30 | 2019-02-22 | 宁夏共享机床辅机有限公司 | A kind of industrial microwave magnetron power source cabinet |
| CN110380337A (en) * | 2019-07-01 | 2019-10-25 | 常州博瑞电力自动化设备有限公司 | It is a kind of quickly to patch assembling device modular structure |
| CN113473775A (en) * | 2021-06-29 | 2021-10-01 | 杨勇 | Energy-saving and environment-friendly electronic communication equipment case |
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