CN207637577U - A kind of transformer safety protective device - Google Patents
A kind of transformer safety protective device Download PDFInfo
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- CN207637577U CN207637577U CN201721486830.5U CN201721486830U CN207637577U CN 207637577 U CN207637577 U CN 207637577U CN 201721486830 U CN201721486830 U CN 201721486830U CN 207637577 U CN207637577 U CN 207637577U
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- transformer
- cabinet
- switch
- pressure side
- safety protective
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Abstract
The utility model discloses a kind of transformer safety protective devices, the cabinet of transformer is placed with including inside, cabinet includes two split low-pressure side cabinet doors set on two split high-pressure side cabinet doors of transformer side and set on the transformer other side, travel switch is mounted in high-pressure side cabinet door and low-pressure side cabinet door, travel switch includes normally closed switch and normal open switch；It connect with switching winding after the normally closed switch parallel connection of travel switch, is connect with closing coil after the normal open switch series connection of travel switch, is electrically connected with the high pressure lateral circuit of transformer after switching winding and closing coil series connection.The transformer safety protective device of the utility model, one travel switch of installation is only used in each cabinet door of cabinet, to control the break-make of transformer high-voltage lateral circuit, realize the function of " tripping of opening the door " with " close the door and close a floodgate ", material requested is at low cost, it is easy for installation, and can achieve the desired results and quality requirement.
Description
Technical field
The utility model belongs to transformer technology field, and in particular to a kind of transformer safety protective device.
Background technology
Transformer is a kind of principle using electromagnetic induction to change the device of alternating voltage, is widely used in every field
And it is present in numerous occasions.In order to protect the safety of transformer, need transformer being positioned in transformer room, and in transformation
Safety guard is set around device.
The net door latching system of Domestic Transformers room is fairly simple at present, using semi-enclosed structure, i.e., in transformer
Dress is there are one travel switch on the net door of room, the both ends of travel switch and is arranged in the divide-shut brake circuit of the breaker in hyperbaric chamber company
It connects.When transformer room net door is opened, travel switch action, the breaker open operation in hyperbaric chamber, disconnecting transformer high side power.
The disadvantage is that due to there was only one layer of guard system, if the travel switch failure of locking or locked loop are electrical
It breaks down, hyperbaric chamber breaker does not have separating brake, and the high-pressure side of transformer is then still charged, at this time if operating personnel are strayed into band
Electricity interval will result in personnel's accident.
Utility model content
The purpose of this utility model is to solve the above problems, and provides the transformer peace that a kind of practicability is good, security performance is high
Full protection device.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of transformer safety protective device, including
Inside is placed with the cabinet of transformer, and cabinet includes set on two split high-pressure side cabinet doors of transformer side and set on change
Two split low-pressure side cabinet doors of the depressor other side are mounted on travel switch in high-pressure side cabinet door and low-pressure side cabinet door, row
Cheng Kaiguan includes normally closed switch and normal open switch；It is connect with switching winding after the normally closed switch parallel connection of four travel switches, four
It is connect with closing coil after the normal open switch series connection of travel switch, the high pressure after switching winding and closing coil series connection with transformer
Lateral circuit is electrically connected.
Before transformer station high-voltage side bus, as long as being not turned off there are one cabinet door, then closing coil not it is electric not can turn on, switching winding obtains
Electric tripping, transformer cannot be run.In the transformer course of work, as long as there are one cabinet doors to open, then closing coil dead electricity is disconnected
It opens, while switching winding obtains electric tripping, transformer is stopped.
Preferably, the high-pressure side cabinet door is equipped with electromagnetic lock, and electromagnetic lock is electrically connected with the lower-voltage circuit of transformer.
Preferably, the electromagnetic lock is reversed electromagnetic lock, and reversed electromagnetic lock is equipped with indicator light.
Preferably, the travel switch uses YBLX-ME/8108 travel switches.
Preferably, it is equipped with exhaust outlet at the top of the cabinet, wind turbine is installed at exhaust outlet, the bottom of cabinet offers air inlet
Mouthful, grid is installed on air inlet, filter membrane is installed on grid.
Preferably, the filter membrane is PTFE filter membranes.
Preferably, the cabinet is equipped with observation window, stacked gradually by stud on observation window be equipped with the first glassy layer,
Metal mesh and the second glassy layer, stud are equipped with the metal connecting sheet contacted with metal mesh, and metal connecting sheet passes through conducting wire and cabinet
Body is connected.
The utility model has the beneficial effects that：A kind of transformer safety protective device provided by the utility model, in cabinet
Each cabinet door of body only with one travel switch of installation, is connect using after the normally closed switch parallel connection of travel switch with switching winding,
It is connect with closing coil after normal open switch series connection, to control the break-make of transformer high-voltage lateral circuit, realizes " tripping of opening the door " and " close
Door closes a floodgate " function, material requested is at low cost, easy for installation, and can achieve the desired results and quality requirement.
Description of the drawings
Fig. 1 is the electrical connection diagram of the transformer safety protective device of the utility model.
Fig. 2 is the front view of the cabinet of the utility model.
Fig. 3 is the rearview of the cabinet of the utility model.
Fig. 4 is the vertical view of the cabinet of the utility model.
Fig. 5 is the installation relation schematic diagram of first glassy layer of the utility model, metal mesh and the second glassy layer.
Reference sign：1, transformer；2, cabinet；3, high-pressure side cabinet door；4, low-pressure side cabinet door；501, the first stroke is opened
It closes；502, the second travel switch；503, third trip switchs；504, fourth line journey switchs；6, switching winding；7, closing coil；
8, electromagnetic lock；9, exhaust outlet；10, air inlet；11, observation window；12, the first glassy layer；13, metal mesh；14, the second glassy layer；
15, stud；16, metal connecting sheet.
Specific implementation mode
The utility model is described further in the following with reference to the drawings and specific embodiments：
As shown in Figure 1 to Figure 3, a kind of transformer safety protective device provided by the utility model, including inside are placed with
The cabinet 2 of transformer 1, transformer 1 are dry-type transformer, and cabinet 2 includes being set to 1 on high-tension side two split high pressure of transformer
Sidecar door 3 and two split low-pressure side cabinet doors 4 set on 1 low-pressure side of transformer, high-pressure side cabinet door 3 and low-pressure side cabinet door 4
On be mounted on travel switch, travel switch is used to incude the open and close of high-pressure side cabinet door 3 and low-pressure side cabinet door 4.
In the present embodiment, the travel switch being separately mounted in high-pressure side cabinet door 3 is specially 501 He of the first travel switch
Second travel switch 502, the travel switch being separately mounted in low-pressure side cabinet door 4 are specially third trip switch 503 and the 4th
Travel switch 504, aforementioned four travel switch are all made of YBLX-ME/8108 travel switches on the market, and there are one normally closed for tool
Switch and a normal open switch.
Connect with switching winding 6 after the normally closed switch parallel connection of aforementioned four travel switch, aforementioned four travel switch it is normal
It is connect with closing coil 7 after switch series connection, it is electric with the high pressure lateral circuit of transformer 1 after switching winding 6 and the series connection of closing coil 7
Connection.
Electromagnetic lock 8 is additionally provided in high-pressure side cabinet door 3, electromagnetic lock 8 is for locking together two high-pressure side cabinet doors 3, electromagnetism
Lock 8 is electrically connected with the lower-voltage circuit of transformer 1.Electromagnetic lock 8 is reversed electromagnetic lock, and reversed electromagnetic lock is equipped with indicator light.
As shown in Figure 1, when transformer 1 is run, need high-pressure side cabinet door 3 and low-pressure side cabinet door 4 being turned off, the first stroke
Switch 501, the second travel switch 502, third trip switch 503 and the normal open switch of fourth line journey switch 504 are in and connect shape
State, closing coil 7 must electrically connect, and the second travel switch 502, third trip switch 503 and the normally closed of fourth line journey switch 504 are opened
Pass is off, switching winding 6 not it is electric in an ON state, high-pressure side circuit communication, 1 normal operation of transformer.Only
Want to be not turned off there are one cabinet door in high-pressure side cabinet door 3 and low-pressure side cabinet door 4, then closing coil 7 not it is electric not can turn on, separating brake line
Circle 6 obtains electric tripping, and transformer cannot be run, and realizes the function of " close the door and close a floodgate ", and both transformer needed whole close the door could just
Often operation.
When transformer station high-voltage side bus, electromagnetic lock 8 must be electric, is in lockup state, and outside cannot directly open high-pressure side cabinet door 3, into
One step ensures safety.
During the work time, as long as there are one cabinet doors to open in high-pressure side cabinet door 3 and low-pressure side cabinet door 4, then the cabinet door pair
The normal open switch for the travel switch answered turns off, and 7 dead electricity of closing coil disconnects, and transformer 1 is stopped, while this stroke
The normally closed switch of switch is connected, switching winding 6 electric tripping, as long as therefore the normal open switch and normally closed switch of the trip switch have
One energy normal operation, then can make transformer powers off at once to be stopped, and the function of " tripping of opening the door " be realized, as long as both having
It is out of service that one door opens then transformer.
As shown in Figure 2 and Figure 4,2 top of cabinet is equipped with exhaust outlet 9, is equipped with wind turbine at exhaust outlet 9, the bottom of cabinet 2 is opened
Equipped with air inlet 10, grid is installed on air inlet 10, filter membrane is installed on grid, grid is used to provide branch to filter membrane
Support, filter membrane are PTFE filter membranes.Under the action of wind turbine, air is from air inlet 10 by entering cabinet 2 after filtering membrane filtration
It is interior, be then discharged by exhaust outlet 9, first, the dried and clean of cabinet 2 can be kept, second is that can to cooling down in cabinet 2,
It radiates to transformer.
As shown in Figure 2 and Figure 5, cabinet 2 is equipped with observation window 11, passes through stud 15 successively layer from outside to inside on observation window 11
Folded to be equipped with the first glassy layer 12, metal mesh 13 and the second glassy layer 14, stud 15 is equipped with the metal contacted with metal mesh 13
Connection sheet 16, metal connecting sheet 16 are connected by conducting wire with cabinet 2.It is insulated using double glazing, inside sets metal mesh 13 and receive at the counter body 2
Logical ground wire, not only facilitates observation, and safe, prevents electrostatic.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this reality
With novel principle, it should be understood that the scope of the present invention is not limited to such specific embodiments and embodiments.
Those skilled in the art can make according to the technical disclosures disclosed by the utility model various does not depart from this practicality
Novel substantive various other specific variations and combinations, these variations and combinations are still within the protection scope of the present invention.
Claims (7)
1. a kind of transformer safety protective device, it is characterised in that：The cabinet (2) of transformer (1), cabinet are placed with including inside
(2) include two split high-pressure side cabinet doors (3) set on transformer (1) side and two set on transformer (1) other side
A split low-pressure side cabinet door (4) is mounted on travel switch, travel switch in high-pressure side cabinet door (3) and low-pressure side cabinet door (4)
Including normally closed switch and normal open switch；It is connect with switching winding (6) after the normally closed switch parallel connection of four travel switches, four strokes
Connect with closing coil (7) after the normal open switch series connection of switch, switching winding (6) and closing coil (7) connect after with transformer
(1) high pressure lateral circuit electrical connection.
2. transformer safety protective device according to claim 1, it is characterised in that：It is set on the high-pressure side cabinet door (3)
There are electromagnetic lock (8), electromagnetic lock (8) to be electrically connected with the lower-voltage circuit of transformer (1).
3. transformer safety protective device according to claim 2, it is characterised in that：The electromagnetic lock (8) is reversed electricity
Magnetic padlock, reversed electromagnetic lock are equipped with indicator light.
4. transformer safety protective device according to claim 1, it is characterised in that：The travel switch uses YBLX-
ME/8108 travel switches.
5. transformer safety protective device according to claim 1, it is characterised in that：The row of being equipped at the top of the cabinet (2)
Air port (9) is equipped with wind turbine at exhaust outlet (9), and the bottom of cabinet (2) offers air inlet (10), and air inlet is installed on (10)
There is grid, filter membrane is installed on grid.
6. transformer safety protective device according to claim 5, it is characterised in that：The filter membrane filters for PTFE
Film.
7. according to any transformer safety protective devices of claim 1-6, it is characterised in that：It is set on the cabinet (2)
There is observation window (11), is stacked gradually by stud (15) on observation window (11) and the first glassy layer (12), metal mesh (13) are installed
With the second glassy layer (14), stud (15) is equipped with the metal connecting sheet (16) contacted with metal mesh (13), metal connecting sheet
(16) it is connected with cabinet (2) by conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486830.5U CN207637577U (en) | 2017-11-09 | 2017-11-09 | A kind of transformer safety protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486830.5U CN207637577U (en) | 2017-11-09 | 2017-11-09 | A kind of transformer safety protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207637577U true CN207637577U (en) | 2018-07-20 |
Family
ID=62856383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721486830.5U Active CN207637577U (en) | 2017-11-09 | 2017-11-09 | A kind of transformer safety protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207637577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092379A (en) * | 2019-12-31 | 2020-05-01 | 深圳市科陆电子科技股份有限公司 | Energy storage container system and energy storage power station |
| CN114678187A (en) * | 2022-05-30 | 2022-06-28 | 徐州中铁电气有限公司 | Dry-type transformer for operation of power distribution system |
-
2017
- 2017-11-09 CN CN201721486830.5U patent/CN207637577U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092379A (en) * | 2019-12-31 | 2020-05-01 | 深圳市科陆电子科技股份有限公司 | Energy storage container system and energy storage power station |
| CN114678187A (en) * | 2022-05-30 | 2022-06-28 | 徐州中铁电气有限公司 | Dry-type transformer for operation of power distribution system |
| CN114678187B (en) * | 2022-05-30 | 2023-10-03 | 徐州中铁电气有限公司 | Dry-type transformer for operation of power distribution system |
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