CN207149999U - A kind of explosion-proof pre-casing type transforming station of high-low pressure - Google Patents
A kind of explosion-proof pre-casing type transforming station of high-low pressure Download PDFInfo
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- CN207149999U CN207149999U CN201721178545.7U CN201721178545U CN207149999U CN 207149999 U CN207149999 U CN 207149999U CN 201721178545 U CN201721178545 U CN 201721178545U CN 207149999 U CN207149999 U CN 207149999U
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Abstract
The utility model provides a kind of explosion-proof pre-casing type transforming station of high-low pressure, including outer case and cover plate, internal box is provided with outer case, the top surface of internal box is fixedly connected with the bottom surface of cover plate, and is provided with heat dissipation cavity positioned at the inner side in the outside of internal box and outer case, and negative pressure pump is fixed with the side of case lid plate top surface, the opposite side of case lid plate top surface is provided with sleeve, the lower end ring of sleeve is provided with foamed cotton ring, is fixed with dry powder box in foamed cotton ring, the top of the sleeve is movably equipped with explosion-proof block.When triggering device interior spontaneous combustion because external environment is higher or equipment is short-circuit, flame first can melt foamed cotton ring, dry powder box is dropped into internal box, and dry powder is covered in equipment, is reached fire extinguishing or is reduced the effect of the intensity of a fire, if when the intensity of a fire continues to expand in internal box, pressure in internal box can be increased dramatically, and under high pressure effect, explosion-proof block is ejected, internal box is connected with outer case, prevent pressure from continuing increase and causing bigger damage.
Description
Technical field
It the utility model is related to transformer station's capital construction field, specially a kind of explosion-proof pre-casing type transforming station of high-low pressure.
Background technology
A kind of high-tension switch gear, distribution transformer and low-voltage distribution equipment during box-type substation, by certain wiring side
Case lines up that integral prefabrication is indoor, outdoor close-coupled controller switching equipment, i.e., the functions such as transformer pressure-reducing, low-voltage distribution is organic
Ground is combined, in a protection against the tide, antirust, dust-proof, fire prevention, totally enclosed steel-structure box, especially suitable for city net
Construction and upgrading, it is a kind of brand-new transformer station to be emerged after civil engineering transformer station.
The Chinese utility model patent of Application No. 201620104243.4 discloses a kind of pre-mounted box type transformer substation, should
If if pre-mounted box type transformer substation is made up of bottom plate, top plate and dry plate side plate, dry plate supporting plate, key is the side of the bottom plate
Edge is provided with slot, and the both sides of slot are provided with bottom fastening bolt hole；The bottom of the side plate is inserted into slot, and the bottom of side plate is provided with side
Bolt hole, the supporting plate are provided with bottom flange and sidepiece flange, the bottom flange by screw in the bolt in bottom fastening bolt hole with
Bottom plate is fixedly connected, and sidepiece flange is fixedly connected by screwing in the bolt of side bolt hole with side plate；The bottom of the top plate is provided with
Downward projection of neck, the top of the side plate are inserted into neck, and the top of the side plate is utilized through neck and side plate
Bolt is fixedly connected with top plate.
The box-type substation is provided with some heat emission holes, this mode also on transformer station box in the side wall in hyperbaric chamber
Although the sealing in casing can be destroyed, especially to carrying out radiating treatment in transformer station box to a certain extent
When humidity is larger in air, moisture in air is entered in casing by heat emission hole, attachment of moisture on power transformation station equipment,
The damage of equipment is easily caused, but if casing uses full-enclosed structure, when external environment is higher or the short-circuit initiation of equipment
During device interior spontaneous combustion, it can make it that pressure increases in casing, can make casing impaired when pressure reaches certain value or even explode, especially
It is opening chamber door in a flash when now staff is rushed to repair, and the high pressure in casing can be such that chamber door opens rapidly, may
Personal safety to staff causes danger, is this it is proposed that a kind of explosion-proof pre-casing type transforming station of high-low pressure.
Utility model content
The purpose of this utility model is to provide a kind of high-low pressure explosion-proof pre-casing type transforming station, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：A kind of explosion-proof prepackage box type transformation of high-low pressure
Stand, including outer case and cover plate, the cover plate are fixedly mounted on the top of outer case, lived on the front end face of the outer case
It is dynamic to be provided with chamber door, and internal box is provided with the outer case through heat emission hole is provided with its right end face of outer case, it is described
The top surface of internal box is fixedly connected with the bottom surface of cover plate, and is provided with heat dissipation cavity positioned at the inner side in the outside of internal box and outer case,
Negative pressure pump is fixed with the side of the case lid plate top surface, the inlet end of the negative pressure pump, which is fixed, is communicated with pipeline, the pipe
Road is simultaneously vertical through cover plate and the top surface of internal box, and lower end of duct is located inside internal box, inside internal box
It is fixed on pipeline to be communicated with magnetic valve, and the bottom of pipeline is fixed and is communicated with air cavity；
The opposite side of the case lid plate top surface is provided with sleeve, and the sleeve vertically runs through case lid simultaneously by helicitic texture
The top surface of plate and internal box, the lower end ring of the sleeve is provided with foamed cotton ring, dry powder box is fixed with the foamed cotton ring, described
Dry powder is filled with dry powder box, the top of the sleeve is movably equipped with explosion-proof block, and the explosion-proof block bottom is fixed with installing plate, institute
State installing plate bottom and be fixed with caulking gum block, and spring groove is arranged with the both sides of explosion-proof block upper end, in the spring groove
End is fixedly connected with pin block by spring, and the pin block activity is plugged in the pin-and-hole on sleeve lining.
Preferably, the position that chamber door is corresponded on the internal box is provided with sealed container door, and the sealed container door is provided with sealing
Circle.
Preferably, the magnetic valve is normally closed solenoid valve, and when being powered in it, valve is opened, pipeline communication, and electromagnetism
The controlling switch of valve is located on internal box.
Preferably, the air cavity is hollow round table type structure, and the larger one end of its bore is located at downside, and its upper and lower ends
It is open state.
Preferably, the dry powder is injected into dry powder box by high pressure mode, i.e., air pressure is more than air in described dry powder box
Pressure, the dry powder box are formed for not refractory material, run through being provided with some passages on the foamed cotton ring.
Preferably, the interior ring cross-section of the sleeve is circular configuration, and installing plate and the caulking gum block is diameter etc.
In the cylinder of sleeve inner ring diameter of section.
Preferably, the explosion-proof block is cylindrical structural, and its diameter is less than the internal diameter of sleeve, and the outer end of the pin block is half
Spherical structure, the pin block of the hemisphere portion are located in pin-and-hole.
Compared with prior art, the beneficial effects of the utility model are：
1st, by setting internal box in outer case, the temperature in internal box is shed the utility model by heat dissipation cavity, and
And be provided with heat emission hole in outer case and can ensure air flow property in heat dissipation cavity, and power transformation station equipment is arranged on internal box
It is interior, ensure its sealing；
2nd, by negative pressure pump by the air extraction in internal box, its is ensured negative pressure state, improve the service life of equipment；
3rd, when triggering device interior spontaneous combustion because external environment is higher or equipment is short-circuit, flame first can melt foamed cotton ring
Change, dry powder box drops into internal box, and flame can further melt dry powder box, due to being high pressure conditions in box, in dry powder box
The moment being melt out, dry powder can explode out of box and scatter, be covered in equipment, reach fire extinguishing or reduce the effect of the intensity of a fire；
If the 4th, when the intensity of a fire continues to expand in internal box, the pressure in internal box can increased dramatically, under high pressure effect, meeting
The pin block of hemisphere portion is departed from pin-and-hole, so as to which explosion-proof block be ejected, internal box is connected with outer case, prevent pressure from continuing
Increase causes bigger damage.
Brief description of the drawings
Fig. 1 is the utility model dimensional structure diagram；
Fig. 2 is sectional view at A-A in the utility model Fig. 1；
Fig. 3 is the utility model middle sleeve internal structure sectional view.
In figure：1 outer case, 101 chamber doors, 102 heat emission holes, 103 heat dissipation cavities, 2 cover plates, 3 internal box, 4 negative pressure cavities, 401
It is pipeline, 402 magnetic valves, 403 air cavitys, 5 sleeves, 501 pin-and-holes, 6 explosion-proof blocks, 601 spring grooves, 7 foamed cotton rings, 8 dry powder boxes, 9 dry
Powder, 10 installing plates, 11 caulking gum blocks, 12 springs, 13 pin blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " on ", " under ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right" are based on the orientation or position relationship shown in accompanying drawing 1, are only
For the ease of description the utility model and simplify description, rather than indicate or imply signified device or the spy that structure must have
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of explosion-proof pre-casing type transforming station of high-low pressure,
Including outer case 1 and cover plate 2, cover plate 2 is fixedly mounted on the top of outer case 1, is movably equipped with the front end face of outer case 1
Chamber door 101, and it is provided with internal box 3, interior case in outer case 1 through heat emission hole 102 is provided with its right end face of outer case 1
The top surface of body 3 is fixedly connected with the bottom surface of cover plate 2, and is provided with heat dissipation cavity positioned at the inner side in the outside of internal box 3 and outer case 1
103, the position that chamber door 101 is corresponded on internal box 3 is provided with sealed container door, and the sealed container door is provided with sealing ring.
Negative pressure pump 4 is fixed with the side of the top surface of cover plate 2, the inlet end of negative pressure pump 4, which is fixed, is communicated with pipeline 401,
Pipeline 401 is simultaneously vertical through cover plate 2 and the top surface of internal box 3, and the lower end of pipeline 401 is located inside internal box 3, positioned at interior
It is fixed on pipeline 401 inside casing 3 to be communicated with magnetic valve 402, and the bottom of pipeline 401 is fixed and is communicated with air cavity 403, electricity
Magnet valve 402 is normally closed solenoid valve, and when being powered in it, valve is opened, and pipeline 401 connects, and the controlling switch of magnetic valve 402
On internal box 3, air cavity 403 is hollow round table type structure, and the larger one end of its bore is located at downside, and its upper and lower ends is equal
For open state.
The opposite side of the top surface of cover plate 2 is provided with sleeve 5, and sleeve 5 vertically runs through the He of cover plate 2 simultaneously by helicitic texture
The top surface of internal box 3, the lower end ring of sleeve 5 are provided with foamed cotton ring 7, are fixed with dry powder box 8 in foamed cotton ring 7, in dry powder box 8
Filled with dry powder 9, dry powder 9 is injected into dry powder box 8 by high pressure mode, i.e., air pressure is more than atmospheric pressure, dry powder in dry powder box 8
Box 8 is formed for not refractory material, runs through being provided with some passages on foamed cotton ring 7.
The top of the sleeve 5 is movably equipped with explosion-proof block 6, and the bottom of explosion-proof block 6 is fixed with installing plate 10, the bottom of installing plate 10
Caulking gum block 11 is fixed with, the interior ring cross-section of sleeve 5 is circular configuration, and installing plate 10 and caulking gum block 11 are diameter
Equal to the cylinder of the inner ring diameter of section of sleeve 5.
And spring groove 601 is arranged with the both sides of the upper end of explosion-proof block 6, spring groove 601 is inner to be fixedly connected by spring 12
There is pin block 13, the activity of pin block 13 is plugged in the pin-and-hole 501 on the inwall of sleeve 5, and explosion-proof block 6 is cylindrical structural, and its diameter is small
In the internal diameter of sleeve 5, the outer end of pin block 13 is hemispherical dome structure, and the pin block 13 of the hemisphere portion is located in pin-and-hole 501.
Operation principle：The utility model is passed through by the temperature in the interior setting internal box 3 of outer case 1, internal box 3 to be dissipated
Hot chamber 103 sheds, and is provided with heat emission hole 102 in outer case 1 and can ensure air flow property in heat dissipation cavity 103, and becomes
Electric station equipment is arranged in internal box 3, ensures its sealing, by negative pressure pump 4 by the air extraction in internal box 3, makes it
Ensure negative pressure state, improve the service life of equipment, when due to external environment is higher or equipment it is short-circuit trigger device interior from
During combustion, flame first can melt foamed cotton ring 7, and dry powder box 8 drops into internal box 3, and flame can further melt dry powder box 8,
Due to being high pressure conditions in box, in the moment that dry powder box 8 is melt out, dry powder 9 can explode out of box and scatter, and be covered in equipment,
Reach fire extinguishing or reduce the effect of the intensity of a fire, if when the intensity of a fire continues to expand in internal box 3, the pressure in internal box 3 can drastically increase
Greatly, under high pressure effect, the pin block 13 of hemisphere portion can be made to depart from pin-and-hole 501, so as to which explosion-proof block 6 be ejected, make internal box
3 connect with outer case 1, prevent pressure from continuing increase and causing bigger damage.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of explosion-proof pre-casing type transforming station of high-low pressure, including outer case (1) and cover plate (2), the cover plate (2) is fixed
Installed in the top of outer case (1), chamber door (101) is movably equipped with the front end face of the outer case (1), and be located at outer case
(1) run through in its right end face and be provided with heat emission hole (102), it is characterised in that：Internal box (3), institute are provided with the outer case (1)
The top surface for stating internal box (3) is fixedly connected with the bottom surface of cover plate (2), and positioned at the interior of the outside of internal box (3) and outer case (1)
Side is provided with heat dissipation cavity (103), and negative pressure pump (4) is fixed with the side of cover plate (2) top surface, the negative pressure pump (4)
Inlet end, which is fixed, is communicated with pipeline (401), the pipeline (401) while the top for vertically running through cover plate (2) and internal box (3)
Face, and pipeline (401) lower end is located at internal box (3) inside, it is fixed on the pipeline (401) of internal box (3) inside to be communicated with
Magnetic valve (402), and the bottom of pipeline (401) is fixed and is communicated with air cavity (403)；
The opposite side of cover plate (2) top surface is provided with sleeve (5), and the sleeve (5) is vertically passed through simultaneously by helicitic texture
The top surface of cover plate (2) and internal box (3) is worn, the lower end ring of the sleeve (5) is provided with foamed cotton ring (7), the foamed cotton ring (7)
Inside it is fixed with dry powder box (8), is filled with dry powder (9) in the dry powder box (8), the top of the sleeve (5) is movably equipped with explosion-proof
Block (6), explosion-proof block (6) bottom are fixed with installing plate (10), and installing plate (10) bottom is fixed with caulking gum
Block (11), and spring groove (601) is arranged with the both sides of explosion-proof block (6) upper end, described spring groove (601) the inner passes through spring
(12) pin block (13) is fixedly connected with, pin block (13) activity is plugged on the pin-and-hole (501) on sleeve (5) inwall Nei.
A kind of 2. explosion-proof pre-casing type transforming station of high-low pressure according to claim 1, it is characterised in that：The internal box
(3) position that chamber door (101) is corresponded on is provided with sealed container door, and the sealed container door is provided with sealing ring.
A kind of 3. explosion-proof pre-casing type transforming station of high-low pressure according to claim 1, it is characterised in that：The magnetic valve
(402) it is normally closed solenoid valve, when being powered in it, valve is opened, pipeline (401) connection, and the control of magnetic valve (402) is opened
Off-position is on internal box (3).
A kind of 4. explosion-proof pre-casing type transforming station of high-low pressure according to claim 1, it is characterised in that：The air cavity
(403) it is hollow round table type structure, the larger one end of its bore is located at downside, and its upper and lower ends is open state.
A kind of 5. explosion-proof pre-casing type transforming station of high-low pressure according to claim 1, it is characterised in that：The dry powder (9)
It is injected into by high pressure mode in dry powder box (8), i.e., the interior air pressure of the dry powder box (8) is more than atmospheric pressure, and the dry powder box (8) is
Refractory material is not formed, and runs through being provided with some passages on the foamed cotton ring (7).
A kind of 6. explosion-proof pre-casing type transforming station of high-low pressure according to claim 1, it is characterised in that：The sleeve (5)
Interior ring cross-section be circular configuration, the installing plate (10) and caulking gum block (11) are that diameter is cut equal to sleeve (5) inner ring
The cylinder of face diameter.
A kind of 7. explosion-proof pre-casing type transforming station of high-low pressure according to claim 1, it is characterised in that：The explosion-proof block
(6) it is cylindrical structural, its diameter is less than the internal diameter of sleeve (5), and the outer end of the pin block (13) is hemispherical dome structure, the hemisphere
The pin block (13) of shape part is located in pin-and-hole (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721178545.7U CN207149999U (en) | 2017-09-14 | 2017-09-14 | A kind of explosion-proof pre-casing type transforming station of high-low pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721178545.7U CN207149999U (en) | 2017-09-14 | 2017-09-14 | A kind of explosion-proof pre-casing type transforming station of high-low pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207149999U true CN207149999U (en) | 2018-03-27 |
Family
ID=61667541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721178545.7U Expired - Fee Related CN207149999U (en) | 2017-09-14 | 2017-09-14 | A kind of explosion-proof pre-casing type transforming station of high-low pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207149999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115173272A (en) * | 2022-07-26 | 2022-10-11 | 江苏鑫恒泰电气科技有限公司 | High-low voltage explosion-proof movable transformer substation and manufacturing method thereof |
-
2017
- 2017-09-14 CN CN201721178545.7U patent/CN207149999U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115173272A (en) * | 2022-07-26 | 2022-10-11 | 江苏鑫恒泰电气科技有限公司 | High-low voltage explosion-proof movable transformer substation and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20180914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |