CN207818355U - A kind of self-protection device of small-sized - Google Patents
A kind of self-protection device of small-sized Download PDFInfo
- Publication number
- CN207818355U CN207818355U CN201820306168.9U CN201820306168U CN207818355U CN 207818355 U CN207818355 U CN 207818355U CN 201820306168 U CN201820306168 U CN 201820306168U CN 207818355 U CN207818355 U CN 207818355U
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- CN
- China
- Prior art keywords
- transformer
- protector
- self
- small
- protection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of self-protection device of small-sized, including earthing rod, fastening nut, ground wire and column, the earthing rod fixes on the ground, the earthing rod is locked by the fastening nut, the upper end of the earthing rod is connect by the ground wire with interface of the ground wire, interface of the ground wire is arranged on the supporting plate, it is fixed below the support plate on the column, it is fixed with transformer in the support plate, the transformer both sides are provided with transformer yoke, the transformer yoke is fixedly connected with the column, protector is installed on the transformer, the protector is made of protector shell and protector lid, the protector shell and the protector lid pass through hinge connection, the protector shell is internally provided with miniature transformer.The self-protection device of small-sized is simple in structure, using A.C. contactor and current sensor cooperating, is protected to transformer, and security performance is high, and cost is relatively low, very useful.
Description
Technical field
The utility model is related to transformer correlative technology fields, and in particular to a kind of self-protection device of small-sized.
Background technology
Transformer (Transformer) is the device for changing alternating voltage using the principle of electromagnetic induction, main member
It is primary coil, secondary coil and iron core (magnetic core).Major function has：Voltage transformation, impedance transformation, is isolated, is steady at current transformation
It presses (magnetic saturation transformer) etc..It can be divided into, according to use,：Power transformer and special transformer, special transformer include mainly electricity
Stove change, rectification change, power frequency testing transformer, pressure regulator, mining change, audio-frequency transformer, intermediate-frequency transformer, high frequency transformer, punching
Hit transformer, instrument transformer, electronic transformer, reactor, mutual inductor etc..Transformer is by iron core (or magnetic core) and coil group
At, coil there are two or more than two windings, wherein connecing the winding of power supply primary coil, remaining winding is secondary wire
Circle.It can convert alternating voltage, electric current and impedance.Iron core that simplest iron-core transformer is made by a soft magnetic materials and
Equal coil is not constituted two the number of turns being sleeved on iron core, and it is transformer normal operation to carry out necessary protection to miniature transformer
Important leverage, currently, miniature transformer protected mode generally use vacuum circuit breaker carry out Microcomputer Protection, but price compared with
Height needs larger cost input.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of self-protection device of small-sized.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of self-protection device of small-sized, including earthing rod, fastening nut, ground wire and column, the earthing rod are solid
Determine on the ground, the earthing rod is locked by the fastening nut, and the upper end of the earthing rod passes through the ground wire
It is connect with interface of the ground wire, interface of the ground wire is arranged on the supporting plate, is fixed below the support plate on the column, the branch
Transformer is fixed on fagging, the transformer both sides are provided with transformer yoke, and the transformer yoke is fixed with the column to be connected
Connect, protector be installed on the transformer, the protector is made of protector shell and protector lid, the protector shell and
For the protector lid by hinge connection, the protector shell is internally provided with miniature transformer, the miniature transformer top
A.C. contactor is installed, current sensor is installed above the A.C. contactor, the current sensor side is provided with
Control panel, the protector, which covers, is provided with signal transceiver and handle.
In above structure, when having higher electric current to pass through in the transformer, the current sensor transmits signal
To the control panel, the control panel controls the A.C. contactor and automatically powers off, and high current is avoided to cause the transformer
It influences, the transformer is fixed in the support plate, and the support plate is connect by the ground wire with the earthing rod, can
High current is passed to ground in time, reduce the damage caused by the transformer, the miniature transformation in the protector
Device can carry out small range transformation adjustment to voltage, the influence of the transformer is preferably minimized, the letter on the protector
Fault-signal can be passed to control terminal by number transceiver in time, and staff is reminded timely to be repaired.
In order to further increase a kind of use function of self-protection device of small-sized, the column is solid by foundation bolt
Determine on the ground, to be bolted to connection between the column and the support plate.
In order to further increase a kind of use function of self-protection device of small-sized, the transformer yoke and the column
Between be bolted to connection, be fixedly connected by screw between the transformer yoke and the transformer.
In order to further increase a kind of use function of self-protection device of small-sized, the protector is fixed by screw
It is fixedly connected by screw between the side of the transformer, the protector shell and the protector lid.
In order to further increase a kind of use function of self-protection device of small-sized, the miniature transformer, the friendship
Stream contactor, the current sensor and the control panel are fixed by screws in inside the protector shell, and the electric current passes
It is connected by signal wire between sensor and the control panel.
In order to further increase a kind of use function of self-protection device of small-sized, the signal transceiver and described
It is connected through a screw thread between hand and the protector lid.
Advantageous effect is：The self-protection device of small-sized is simple in structure, utilizes A.C. contactor and current sensor
Cooperating protects transformer, and security performance is high, and cost is relatively low, very useful.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of self-protection device of small-sized described in the utility model；
Fig. 2 is a kind of protector schematic diagram of self-protection device of small-sized described in the utility model；
Fig. 3 is the transformer and protector position view of a kind of self-protection device of small-sized described in the utility model；
The reference numerals are as follows：
1, earthing rod；2, fastening nut；3, it is grounded；4, column；5, support plate；6, transformer yoke；7, transformer；8, it protects
Protect device；9, protector shell；10, hinge；11, miniature transformer；12, A.C. contactor；13, current sensor；14, control panel；
15, signal transceiver；16, protector lid；17, handle.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1-Figure 3, a kind of self-protection device of small-sized, including earthing rod 1, fastening nut 2,3 and of ground wire
Column 4, earthing rod 1 fix on the ground, and earthing rod 1 is locked by fastening nut 2, and the upper end of earthing rod 1 passes through ground connection
Line 3 is connect with interface of the ground wire, and interface of the ground wire is arranged in support plate 5, and the lower section of support plate 5 is fixed on column 4, support plate 5
On be fixed with transformer 7,7 both sides of transformer are provided with transformer yoke 6, and transformer yoke 6 is fixedly connected with column 4, on transformer 7
Protector 8 is installed, protector 8 is made of protector shell 9 and protector lid 16, and protector shell 9 and protector lid 16 pass through conjunction
Page 10 connects, and protector shell 9 is internally provided with miniature transformer 11, and 11 top of miniature transformer is equipped with A.C. contactor 12,
12 top of A.C. contactor is equipped with current sensor 13, and 13 side of current sensor is provided with control panel 14, protector lid 16
On be provided with signal transceiver 15 and handle 17.
In above structure, when having higher electric current to pass through in transformer 7, signal is passed to control by current sensor 13
Plate 14, control panel 14 control A.C. contactor 12 and automatically power off, and high current is avoided to impact transformer 7, and transformer 7 is fixed
In support plate 5, support plate 5 is connect by ground wire 3 with earthing rod 1, can high current be passed to ground in time, reduced to becoming
It is damaged caused by depressor 7, the miniature transformer 11 in protector 8 can carry out small range transformation adjustment to voltage, transformer 7
Influence is preferably minimized, and fault-signal can be passed to control terminal by the signal transceiver 15 on protector 8 in time, remind work people
Member is timely repaired.
In order to further increase a kind of use function of self-protection device of small-sized, column 4 is fixed by foundation bolt
On the ground, it is bolted to connection between column 4 and support plate 5, is bolted between transformer yoke 6 and column 4
Connection, is fixedly connected between transformer yoke 6 and transformer 7 by screw, protector 8 is fixed by screws in the one of transformer 7
Side is fixedly connected between protector shell 9 and protector lid 16 by screw, and miniature transformer 11, A.C. contactor 12, electric current pass
Sensor 13 and control panel 14 are fixed by screws in inside protector shell 9, pass through letter between current sensor 13 and control panel 14
It number is connected through a screw thread between line connection signal transceiver 15 and handle 17 and protector lid 16.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (6)
1. a kind of self-protection device of small-sized, it is characterised in that：Including earthing rod (1), fastening nut (2), ground wire (3) and
Column (4), the earthing rod (1) fix on the ground, and the earthing rod (1) is locked by the fastening nut (2), institute
The upper end for stating earthing rod (1) is connect by the ground wire (3) with interface of the ground wire, and interface of the ground wire is arranged in support plate (5), institute
It states and is fixed below support plate (5) on the column (4), transformer (7), the transformation are fixed on the support plate (5)
Device (7) both sides are provided with transformer yoke (6), and the transformer yoke (6) is fixedly connected with the column (4), the transformer (7)
On protector (8) is installed, the protector (8) is made of protector shell (9) and protector lid (16), the protector shell
(9) it is connected by hinge (10) with the protector lid (16), the protector shell (9) is internally provided with miniature transformer
(11), A.C. contactor (12) is installed above the miniature transformer (11), is equipped with above the A.C. contactor (12)
Current sensor (13), current sensor (13) side are provided with control panel (14), are arranged on the protector lid (16)
There are signal transceiver (15) and handle (17).
2. a kind of self-protection device of small-sized according to claim 1, it is characterised in that：The column (4) passes through ground
Foot bolt fixes on the ground, is bolted to connection between the column (4) and the support plate (5).
3. a kind of self-protection device of small-sized according to claim 1, it is characterised in that：The transformer yoke (6) with
It is bolted to connection between the column (4), it is solid by screw between the transformer yoke (6) and the transformer (7)
Fixed connection.
4. a kind of self-protection device of small-sized according to claim 1, it is characterised in that：The protector (8) passes through
Screw is fixed on the side of the transformer (7), solid by screw between the protector shell (9) and the protector lid (16)
Fixed connection.
5. a kind of self-protection device of small-sized according to claim 1, it is characterised in that：The miniature transformer
(11), the A.C. contactor (12), the current sensor (13) and the control panel (14) are fixed by screws in described
Protector shell (9) is internal, is connected by signal wire between the current sensor (13) and the control panel (14).
6. a kind of self-protection device of small-sized according to claim 1, it is characterised in that：The signal transceiver (15)
It is connected through a screw thread between the handle (17) and the protector lid (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820306168.9U CN207818355U (en) | 2018-03-06 | 2018-03-06 | A kind of self-protection device of small-sized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820306168.9U CN207818355U (en) | 2018-03-06 | 2018-03-06 | A kind of self-protection device of small-sized |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818355U true CN207818355U (en) | 2018-09-04 |
Family
ID=63321313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820306168.9U Expired - Fee Related CN207818355U (en) | 2018-03-06 | 2018-03-06 | A kind of self-protection device of small-sized |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818355U (en) |
-
2018
- 2018-03-06 CN CN201820306168.9U patent/CN207818355U/en not_active Expired - Fee Related
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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: 20180904 Termination date: 20190306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |