CN206670659U - A kind of preamplifier protection box of nuclear steam turbine sensor special - Google Patents
A kind of preamplifier protection box of nuclear steam turbine sensor special Download PDFInfo
- Publication number
- CN206670659U CN206670659U CN201720504305.5U CN201720504305U CN206670659U CN 206670659 U CN206670659 U CN 206670659U CN 201720504305 U CN201720504305 U CN 201720504305U CN 206670659 U CN206670659 U CN 206670659U
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- China
- Prior art keywords
- box body
- steam turbine
- protection box
- preamplifier
- nuclear steam
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Abstract
A kind of preamplifier protection box of nuclear steam turbine sensor special, belongs to nuclear steam turbine sensory field, solves that weight existing for the preamplifier protection box of existing nuclear steam turbine sensor special is big, the poor and internal irregular problem of cabling of sealing.The protection box is the rectangular configuration made of light-duty alloy sheets.The openend sealed set of lid and box body, preamplifier and terminal block installation guide rail are arranged in box body by being arranged on the installation backboard in the middle part of bottom plate.Terminal block installation guide rail fixing terminal row.Multiple wire holes and multiple entrance holes are provided with a side wall of box body, is extended through in multiple wire holes and multiple entrance holes and is provided with multiple threaded cable seal nipples and multiple nipples.Wiring frame is additionally provided with the inside of box body.The protection box is vacantly arranged on the case of nuclear steam turbine cylinder by mounting bracket.This new described protection box is used to protect the preamplifier of nuclear steam turbine sensor special.
Description
Technical field
A kind of preamplifier protection box is the utility model is related to, belongs to nuclear steam turbine sensory field.
Background technology
The material of the preamplifier protection box of existing nuclear steam turbine sensor special is Q235 steel plates, this protection box
It is difficult to vacantly install because weight is larger, sealing is poor, and internal cabling is irregular, is unable to reach the relevant criterion of domestic nuclear power.
Utility model content
The utility model is weight existing for the preamplifier protection box of the existing nuclear steam turbine sensor special of solution
Greatly, the poor and internal irregular problem of cabling of sealing.
The preamplifier protection box of nuclear steam turbine sensor special described in the utility model is by light-duty alloy sheets
Manufactured rectangular configuration；
The protection box includes box body 1 and lid 2, the one end open of box body 1, and lid 2 is used for the opening for covering box body 1
End, and with the openend sealed set；
Installation backboard 3, preamplifier 4 and terminal block installation guide rail are provided with the middle part of the inside of box body 1, its bottom plate
5 are arranged on the inside of box body 1 by installing backboard 3, and terminal block is installed guide rail 5 and arranged for fixing terminal；
Multiple wire holes and multiple entrance holes, multiple wire holes and multiple inlet wires are provided with a side wall of box body 1
Length direction of the hole along the side wall at equal intervals, be staggered on a row；
A threaded cable seal nipple 6 is provided through in each wire hole, is run through in each entrance hole
It is provided with a nipple 7；
Close to the position of the side wall on the inside of box body 1, its bottom plate, the length direction of bottom plate is provided with wiring
Frame 8；
Mounting bracket 9 is provided with the outside of box body 1, its bottom plate, the protection box is vacantly set by mounting bracket 9
On the case of nuclear steam turbine cylinder.
As preferably, lid 2 is fixedly installed with the openend by screw bolt and nut.
As preferably, the light-duty alloy sheets are the aluminium alloy plate of 5A02 models, and the thickness of the aluminium alloy plate is 6
Millimeter.
Preamplifier protection box described in the utility model is made of light-duty alloy material, and the density of light-duty alloy is small
In the density of Q235 steel.Therefore, in the case of volume identical, the weight of preamplifier protection box described in the utility model
Less than the existing preamplifier protection box made of Q235 steel.Preamplifier protection box described in the utility model passes through peace
Dress support realizes the hanging installation on the case of nuclear steam turbine cylinder.
The openend sealed set of preamplifier protection box described in the utility model, lid and box body, in wire hole
In be provided through threaded cable seal nipple, outer signal input line is successively through entrance hole and terminal block and preamplifier phase
Even, helicitic texture is provided with the outer wall of outer signal input line, the helicitic texture connects with the nipple screw thread in entrance hole
Connect, thus, outer signal input line and entrance hole sealed set.And the preposition amplification of existing nuclear steam turbine sensor special
The box body of device protection box is engaged with lid by the way of be hinged, and Seal Design is not done at wire hole and entrance hole.Therefore,
Compared with the preamplifier protection box of existing nuclear steam turbine sensor special, preamplifier described in the utility model
Protection box has better seal.
Wiring frame is internally provided with preamplifier protection box described in the utility model, wiring frame is used for fixed outer
Connect the output line of signal input line and preamplifier.Therefore, in preamplifier protection box described in the utility model
The neat specification of cabling in portion.
Brief description of the drawings
Hereinafter will be based on embodiment and refer to the attached drawing come to the special sensing of nuclear steam turbine described in the utility model
The preamplifier protection box of device is described in more detail, wherein：
Fig. 1 is the structural representation for the lid that embodiment one refers to；
Fig. 2 is the structural representation for the box body that embodiment one refers to；
Fig. 3 is the assembling signal of the preamplifier protection box of the nuclear steam turbine sensor special described in embodiment one
Figure.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to the ratio of reality.
Embodiment
The preamplifier of nuclear steam turbine sensor special described in the utility model is protected below in conjunction with accompanying drawing
Box is described further.
Embodiment one：The present embodiment is explained with reference to Fig. 1 to Fig. 3.
The preamplifier protection box of nuclear steam turbine sensor special described in the present embodiment is by light-duty alloy sheets system
Into rectangular configuration；
The protection box includes box body 1 and lid 2, the one end open of box body 1, and lid 2 is used for the opening for covering box body 1
End, and with the openend sealed set；
Installation backboard 3, preamplifier 4 and terminal block installation guide rail are provided with the middle part of the inside of box body 1, its bottom plate
5 are arranged on the inside of box body 1 by installing backboard 3, and terminal block is installed guide rail 5 and arranged for fixing terminal, the bottom plate and institute
It is relative to state openend；
Multiple wire holes and multiple entrance holes, multiple wire holes and multiple inlet wires are provided with a side wall of box body 1
Length direction of the hole along the side wall at equal intervals, be staggered on a row；
A threaded cable seal nipple 6 is provided through in each wire hole, is run through in each entrance hole
It is provided with a nipple 7；
Close to the position of the side wall on the inside of box body 1, its bottom plate, the length direction of bottom plate is provided with wiring
Frame 8；
Mounting bracket 9 is provided with the outside of box body 1, its bottom plate, the protection box is vacantly set by mounting bracket 9
On the case of nuclear steam turbine cylinder.
The installation backboard of the present embodiment is transversely mounted on the bottom plate of box body, with existing nuclear steam turbine sensor special
The backboard mounting means of preamplifier protection box is compared, and is so designed that and is more saved space, described in further reducing
The weight of preamplifier protection box.
Protection box mark fixed frame is provided with the outer surface of the lid of the present embodiment.
Embodiment two：The present embodiment is that the preamplifier of the nuclear steam turbine sensor special described in embodiment one is prevented
Shield box is further limited.
The preamplifier protection box of nuclear steam turbine sensor special described in the present embodiment, lid 2 and the opening
End is fixedly installed by screw bolt and nut.
The preamplifier protection box of nuclear steam turbine sensor special described in the present embodiment, lid and the openend
Contact surface and the openend the equal grinding process in end face, be so designed that, can further lift lid and be opened with described
The seal of the junction at mouth end.
Embodiment three：The present embodiment is that the preamplifier of the nuclear steam turbine sensor special described in embodiment one is prevented
Shield box is further limited.
The preamplifier protection box of nuclear steam turbine sensor special described in the present embodiment, the light-duty alloy sheets are
The aluminium alloy plate of 5A02 models, the thickness of the aluminium alloy plate is 6 millimeters.
The box body of the present embodiment includes one piece of bottom plate and four pieces of side walls, is the aluminium alloy plate of 5A02 models, and the aluminium closes
Welded between golden plate.
Although the utility model is described herein with reference to specific embodiment, it should be understood that, this
A little embodiments are only principle of the present utility model and the example of application.It should therefore be understood that can be to exemplary implementation
Example carries out many modifications, and can be designed that other arrangements, this practicality limited without departing from appended claims
New spirit and scope.It should be understood that can be by way of different from described by original claim come with reference to not
Same dependent claims and feature specifically described herein.It will also be appreciated that the feature with reference to described by separate embodiments
It can use in other embodiments.
Claims (3)
1. a kind of preamplifier protection box of nuclear steam turbine sensor special, it is characterised in that the protection box is by light
Rectangular configuration made of type alloy sheets；
The protection box includes box body (1) and lid (2), the one end open of box body (1), and lid (2) is used to cover box body (1)
Openend, and with the openend sealed set；
Installation backboard (3) is provided with the middle part of the inside of box body (1), its bottom plate, preamplifier (4) and terminal block installation are led
Rail (5) is arranged on the inside of box body (1) by installing backboard (3), and terminal block installation guide rail (5) is arranged for fixing terminal；
Multiple wire holes and multiple entrance holes, multiple wire holes and multiple entrance holes are provided with a side wall of box body (1)
Along the side wall length direction at equal intervals, be staggered on a row；
A threaded cable seal nipple (6) is provided through in each wire hole, runs through setting in each entrance hole
It is equipped with a nipple (7)；
Close to the position of the side wall on the inside of box body (1), its bottom plate, the length direction of bottom plate is provided with wiring frame
(8)；
Mounting bracket (9) is provided with the outside of box body (1), its bottom plate, the protection box is vacantly set by mounting bracket (9)
Put on the case of nuclear steam turbine cylinder.
2. the preamplifier protection box of nuclear steam turbine sensor special as claimed in claim 1, it is characterised in that lid
(2) it is fixedly installed with the openend by screw bolt and nut.
3. the preamplifier protection box of nuclear steam turbine sensor special as claimed in claim 1, it is characterised in that described
Light-duty alloy sheets are the aluminium alloy plate of 5A02 models, and the thickness of the aluminium alloy plate is 6 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504305.5U CN206670659U (en) | 2017-05-08 | 2017-05-08 | A kind of preamplifier protection box of nuclear steam turbine sensor special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504305.5U CN206670659U (en) | 2017-05-08 | 2017-05-08 | A kind of preamplifier protection box of nuclear steam turbine sensor special |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206670659U true CN206670659U (en) | 2017-11-24 |
Family
ID=60371822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720504305.5U Active CN206670659U (en) | 2017-05-08 | 2017-05-08 | A kind of preamplifier protection box of nuclear steam turbine sensor special |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206670659U (en) |
-
2017
- 2017-05-08 CN CN201720504305.5U patent/CN206670659U/en active Active
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