CN209015805U - The distribution transforming transformer of overload protection type - Google Patents
The distribution transforming transformer of overload protection type Download PDFInfo
- Publication number
- CN209015805U CN209015805U CN201821880245.8U CN201821880245U CN209015805U CN 209015805 U CN209015805 U CN 209015805U CN 201821880245 U CN201821880245 U CN 201821880245U CN 209015805 U CN209015805 U CN 209015805U
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- transformer
- distribution transforming
- breaker
- transforming transformer
- overload protection
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Abstract
The utility model discloses a kind of distribution transforming transformer of overload protection type; a breaker to match with distribution transforming transformer low voltage output parameter is connected in series between the low pressure output and low-tension bushing of the body of distribution transforming transformer; the main part of the breaker is built in the fuel tank of distribution transforming transformer; one end of operation handle is connected by connecting rod with the switching-on mechanism of breaker, and the other end extends to the increasing in space as hand-held part of transformer oil upper box part.Protection device for circuit breaker is placed in inside transformer by the utility model, and when transformer overload is run, breaker actuation can effectively avoid the overlond running of distribution transforming transformer, and distribution transforming transformer is protected not to be burned out, and realizes the self-protection of distribution transforming transformer.
Description
Technical field
The utility model relates to a kind of distribution transforming transformer, the distribution transforming transformer of specially a kind of overload protection type.
Background technique
With the atrophy of the saturation, demand of domestic market, domestic many transformer production enterprises follow a national " band one
Road " strategy is laid out overseas market, core of the country that many enterprises select power construction to fall behind as international market.So
And the country fallen behind in these power constructions, often there is electric power facility falls behind, power grid overload operation.Due to transformer overload
Operation can accelerate insulation to survey aging, phenomena such as reducing the service life of transformer, or transformer is caused to burn.Many equipment supply
It answers enterprise after performance of the contract, faces the risk of equipment burnout, need depot repair after equipment burnout, to pay high maintenance cost
With may cause the loss of project.
Utility model content
There is the deficiencies of risk burnt for the protection of itself No-mistake Principle of power supply unit in the prior art, the utility model is wanted
Solve the problems, such as that being to provide a kind of avoidable equipment burnout and a kind of distribution transforming for the overload protection type for reducing depot repair cost becomes
Depressor.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of distribution transforming transformer of overload protection type of the utility model, distribution transforming transformer body low pressure output and it is low
A breaker to match with distribution transforming transformer low voltage output parameter, the main part of the breaker are connected in series between pressing sleeve pipe
It is built in the fuel tank of distribution transforming transformer, one end of operation handle is connected by connecting rod with the switching-on mechanism of breaker, another
End extends to the increasing in space as hand-held part of transformer oil upper box part.
Also have indicator light, be installed on distribution transforming transformer case, in breaker one of off state controller it is normally opened
Contact is connected in series in pilot lamp loop；Independent coil is set on transformer core as the power supply winding of indicator light.
Increase and is equipped with axis, operation handle and limiting device in space；Limiting device includes rotor plate and limit plate, wherein
Limit plate is the L shaped plate of an obtuse angle shape, the vertical portion of L shaped plate have can by handle but cannot by the gap of rotor plate,
Rotor plate one end is fixedly linked with operation handle bottom end with an angle, and is rotatablely connected with axis, and the both ends horizontal of axis, which is fixed on, to be added
In the vertical plates on both sides of high spatial；The other end of rotor plate and a connecting rod are rotatablely connected, the other end and combined floodgate machine of the connecting rod
The execution unit of structure is connected.
The junction of the vertical plates on both sides and axis of increasing space is equipped with outer casting die and interior casting die, interior casting die and operation handle it
Between, gasket, interior casting die and outer casting die are placed between interior casting die and vertical plates on both sides and between outer casting die and vertical plates on both sides respectively
It is connected by bolt and is compressed.
Connecting rod is equipped with the screw rod of adjustable connecting rod overall length.
Increase breaker open and-shut mode is labeled with outside space when operation handle position and limiting device.
Bracket is reserved under fuel tank case lid, connecting plate is fixedly mounted in breaker body two sides, and breaker is connected by two sides
Plate is mounted on bracket by fastener handle, and damping rubber pad is placed between breaker and bracket；Two side connecting plate of breaker with
Damping spring is placed between fastener.
The utility model has the advantages that and advantage:
1. protection device for circuit breaker is placed in inside transformer by the utility model, when transformer overload is run, breaker is dynamic
Make, can effectively avoid the overlond running of distribution transforming transformer, distribution transforming transformer is protected not to be burned out, realizes self of distribution transforming transformer
Protection.
2. the breaker in the utility model can carry out reclosing by leading to the handle outside transformer, facilitate user
Operation；It is provided with the instruction alarm lamp that can facilitate observation outside transformer simultaneously, transformer tripping is prompted, user is facilitated to judge.
3. breaker in the utility model is as a component of transformer, easy for installation, do not need to separately maintain, with
Transformer overhauls together, promotes the safety of product, extends the service life of transformer, reduces loss for user, brings
Certain economic benefit.
Detailed description of the invention
Fig. 1 is the distribution transforming transformer sectional view with built-in protection device for circuit breaker；Illustrate protection device for circuit breaker, outer
Portion's indicator light and external operation handle；
Fig. 2 is pilot lamp loop figure；
Fig. 3 is breaker structure schematic diagram；
Fig. 4 is the utility model mounting structure schematic diagram.
Wherein, 1 is body, and 2 be breaker, and 3 be indicator light, and 4 be operation handle, and 6 be power supply winding, and 7 open for breaker
Closed state controller, 8 be connecting terminal, and 9 be bracket, and 10 be bolt, and 11 be damping rubber pad, and 12 be damping spring, and 13 be axis,
14a is rotor plate, and 14b is limit plate, and 15 be connecting rod, and 16 be switching-on mechanism, and 17 be connecting plate, and 18 be to increase space.
Specific embodiment
The utility model is further elaborated with reference to the accompanying drawings of the specification.
As shown in Figure 1, a kind of distribution transforming transformer of overload protection type of the utility model, in the body 1 of distribution transforming transformer
A breaker 2 to match with distribution transforming transformer low voltage output parameter is connected in series between low pressure output and low-tension bushing, this is disconnected
The main part of road device 2 is built in the fuel tank of distribution transforming transformer, and one end of operation handle 4 passes through connecting rod 15 and breaker 2
Switching-on mechanism 16 be connected, the other end extends to the increasing in space 18 as hand-held part of transformer oil upper box part.
As shown in Fig. 2, also having indicator light 3, it is installed on distribution transforming transformer case, circuit-breaker status controller 7 is (by breaking
Road device is included) a normal opened contact be connected in series in pilot lamp loop；Be arranged on transformer core independent coil as
The power supply winding 6 of indicator light 3.
Axis 13, operation handle 4 and limiting device are equipped in space 18 as shown in figure 3, increasing；Limiting device includes rotation
Plate 14a and limit plate 14b, wherein limit plate 14b is the L shaped plate of an obtuse angle shape, and the vertical portion of L shaped plate has and can pass through hand
It handle 4 but cannot be fixedly linked by the gap of rotor plate 14a, the one end rotor plate 14a with 4 bottom end of operation handle with an angle, and
It is rotatablely connected with axis 13, the both ends horizontal of axis 13 is fixed in the vertical plates on both sides for increasing space 18；The other end of rotor plate 14a
It is rotatablely connected with a connecting rod 15, the other end of the connecting rod 15 is connected with the execution unit of switching-on mechanism 16.In the present embodiment,
L shaped plate, which is welded on, increases in space 18, is mainly used for the positioning of limit plate 14b and operation handle 4, and prevent limiting device from grasping
It is subjected to displacement during making.
The junction of the vertical plates on both sides and axis 13 of increasing space 18 is equipped with outer casting die and interior casting die, interior casting die and operation handle
Gasket, interior casting die and external pressure are placed between 4, between interior casting die and vertical plates on both sides and between outer casting die and vertical plates on both sides respectively
Part is connected by bolt to be compressed.Since breaker 2 is in fuel tank internal, operation handle 4 passes through above-mentioned sealing structure outside fuel tank
Operation handle 4 can be made smoothly to be drawn out to outside.Fasten the leakproofness that can guarantee product after inside and outside casting die.
As shown in figure 4, being reserved with bracket 9 under fuel tank case lid, connecting plate 17, open circuit is fixedly mounted in 2 main body two sides of breaker
Device 2 passes through two side connecting plates 17 by fastener handle on bracket 9, and places damping rubber pad between breaker 2 and bracket 9
11；Damping spring 12 is placed between 2 liang of side connecting plates 17 of breaker and fastener.
Breaker 2 is fixed on the bracket 9 reserved under fuel tank cap by the present embodiment using bolt, passes through 11 He of damping rubber pad
The setting of damping spring 12 prevents transformer lifting deformation or operational shock damage breaker 2.
The present embodiment is mounted with breaker in the three-dimensional reel iron core transformer by taking S13 three-dimensional reel iron core transformer as an example
(model: 514 AC 10 of 3SR), 2 input terminal of breaker is low respectively at body low pressure winding output end and transformer with output end
In succession, the reset operation handle 4 and indicator light 3 of protection device for circuit breaker are external for pressing sleeve pipe.
The specific implementation steps of the above-mentioned three-dimensional reel iron core transformer with protection device for circuit breaker are as follows:
When three-dimensional reel iron core transformer designs, chooses and protect dress with the breaker of output phase match parameter when low-voltage load
It sets, in layout design, considers the installation space of protection device for circuit breaker；When assembling product, breaker is first fixed on bracket 9
On, finally connect protection device for circuit breaker and low-tension bushing and body low pressure winding output end；
The mounting hole that external indicator light 3 is reserved when design, by with the conducting wire of diameter 1mm on iron core the independent line of coiling
The power supply as indicator light 3 is enclosed, then coil, indicator light 3 and the breaker open and-shut mode controller on iron core are connected
Get up, form the circuit of external indicator light, circuit breaker trip, external indicator light circuit closes a floodgate, and external indicator light lights；
According to protection device for circuit breaker position when design, 4 mounting hole of external operation handle is set and increases space 18, is passed through
Operation handle 4 is connect by connecting rod 15 with breaker, after protection device for circuit breaker tripping, is searched trip reason immediately, is excluded event
Then barrier resets protection device for circuit breaker by operating external operation handle 4, while external pilot lamp loop disconnects, instruction
Lamp 3 extinguishes, and restores the operation of three-dimensional reel iron core transformer.
In the present embodiment, operation handle 4 is that reinforcing bar stewing is made, and holds end and connects with palm contacts face for plane, with finger
Contacting surface is the miniature serrated face coincideing with finger shape.
Breaker is built in distribution transforming oil tank of transformer by the utility model, is increased and distribution transforming transformer low voltage output parameter
Protection device for circuit breaker matching, being placed in inside transformer, breaker connection in distribution transforming transformer body low pressure output and
Between low-tension bushing, protection low pressure exports nonoverload, realizes non-maintaining type integral structure；Prevent distribution transforming transformer overload from running,
The self-protection ability of distribution transforming transformer is improved, the risk after equipment comes into operation is reduced.
Claims (7)
1. a kind of distribution transforming transformer of overload protection type, it is characterised in that: distribution transforming transformer body low pressure output and it is low
A breaker to match with distribution transforming transformer low voltage output parameter, the main part of the breaker are connected in series between pressing sleeve pipe
It is built in the fuel tank of distribution transforming transformer, one end of operation handle is connected by connecting rod with the switching-on mechanism of breaker, another
End extends to the increasing in space as hand-held part of transformer oil upper box part.
2. the distribution transforming transformer of overload protection type according to claim 1, it is characterised in that: also have indicator light, installation
In on distribution transforming transformer case, a normal opened contact of off state controller is connected in series in pilot lamp loop in breaker
In；Independent coil is set on transformer core as the power supply winding of indicator light.
3. the distribution transforming transformer of overload protection type according to claim 1, it is characterised in that: increase in space be equipped with axis,
Operation handle and limiting device；Limiting device includes rotor plate and limit plate, and wherein limit plate is the L shaped plate of an obtuse angle shape, L
The vertical portion of shape plate have can by handle but cannot by the gap of rotor plate, rotor plate one end and operation handle bottom end with
One angle is fixedly linked, and is rotatablely connected with axis, and the both ends horizontal of axis is fixed in the vertical plates on both sides for increasing space；Rotor plate
The other end and a connecting rod are rotatablely connected, and the other end of the connecting rod is connected with the execution unit of switching-on mechanism.
4. the distribution transforming transformer of overload protection type according to claim 3, it is characterised in that: increase the vertical plates on both sides in space
Be equipped with outer casting die and interior casting die with the junction of axis, between interior casting die and operation handle, between interior casting die and vertical plates on both sides and
Place gasket between outer casting die and vertical plates on both sides respectively, interior casting die and outer casting die are connected compression by bolt.
5. the distribution transforming transformer device of overload protection type according to claim 3, it is characterised in that: connecting rod is equipped with adjustable
Save the screw rod of connecting rod overall length.
6. the distribution transforming transformer of overload protection type according to claim 3, it is characterised in that: be labeled with outside space increasing
The position of operation handle and limiting device when breaker open and-shut mode.
7. the distribution transforming transformer device of overload protection type according to claim 1, it is characterised in that: be reserved under fuel tank case lid
Connecting plate is fixedly mounted in bracket, breaker body two sides, and breaker passes through two side connecting plates by fastener handle on bracket, and
Damping rubber pad is placed between breaker and bracket；Damping spring is placed between two side connecting plate of breaker and fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821880245.8U CN209015805U (en) | 2018-11-15 | 2018-11-15 | The distribution transforming transformer of overload protection type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821880245.8U CN209015805U (en) | 2018-11-15 | 2018-11-15 | The distribution transforming transformer of overload protection type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209015805U true CN209015805U (en) | 2019-06-21 |
Family
ID=66842381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821880245.8U Active CN209015805U (en) | 2018-11-15 | 2018-11-15 | The distribution transforming transformer of overload protection type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209015805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256258A (en) * | 2018-11-15 | 2019-01-22 | 特变电工沈阳变压器集团有限公司 | A kind of distribution transforming transformer of overload protection type |
| CN110706883A (en) * | 2019-10-23 | 2020-01-17 | 徐州市铜山区百恒电子厂 | Piezoelectric transformer overload circuit cuts device |
-
2018
- 2018-11-15 CN CN201821880245.8U patent/CN209015805U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256258A (en) * | 2018-11-15 | 2019-01-22 | 特变电工沈阳变压器集团有限公司 | A kind of distribution transforming transformer of overload protection type |
| CN110706883A (en) * | 2019-10-23 | 2020-01-17 | 徐州市铜山区百恒电子厂 | Piezoelectric transformer overload circuit cuts device |
| CN110706883B (en) * | 2019-10-23 | 2021-07-06 | 徐州市铜山区百恒电子厂 | Piezoelectric transformer overload circuit cuts device |
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