CN209626022U - A kind of current transformer - Google Patents
A kind of current transformer Download PDFInfo
- Publication number
- CN209626022U CN209626022U CN201920212813.5U CN201920212813U CN209626022U CN 209626022 U CN209626022 U CN 209626022U CN 201920212813 U CN201920212813 U CN 201920212813U CN 209626022 U CN209626022 U CN 209626022U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- wiring shell
- current transformer
- hole
- connecting plate
- 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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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to a kind of current transformers, including pedestal and the cabinet being set on pedestal, the top of the box is provided with primary side inlet wire wiring hole, the outer one end of the cabinet is provided with the wire base for secondary side outlet, the wire base is located on the pedestal, and wiring shell is provided on the wire base, is equipped with connecting plate at the top of the wiring shell, the one end of the connection board and wiring shell are rotatablely connected, and the other end is connect with wiring shell by fixing bolt.The utility model has the effect of being conveniently replaceable electric wire.
Description
Technical field
The utility model relates to mutual inductor fields, more particularly, to a kind of current transformer.
Background technique
Current transformer is that primary side high current is converted into secondary side low current to realize according to electromagnetic induction principle
The instrument of measurement.The size of current great disparity in the route of power generation, power transformation, transmission of electricity, distribution and electricity consumption, from several peaces to tens of thousands of Andu
Have.To need to be converted to the unified electric current of comparison convenient for measurement, protection and control, in addition the voltage on route is generally relatively high
As directly measurement is breakneck.Current transformer just plays the role of current transformation and electrical isolation.
Notification number be CN203277053U Chinese patent disclose a kind of current transformer capable of preventing electricity from being stolen, include pedestal and
Shell, shell are fixedly connected on pedestal, and first winding, secondary winding and iron core are provided in shell, and case top is provided with
Primary side inlet wire connects hole post, and the terminal block for secondary side outlet is provided with outside shell, is consolidated on the terminal block
Surely it is connected with the insulation casing that connecting terminal can be shrouded, is provided with outlet adapter on the insulation casing.
In above-mentioned patent, by being fixedly connected with the insulation casing being adapted to it on connecting terminal pedestal, then by line from
The outlet hole opened up on insulation casing is pierced by, to realize the purpose of preventing fraudulent use of electricity.But since the diameter of electric wire itself is different, and by
In electric wire be pierced by from the different directions of insulation casing, on insulation casing multi-direction outgoing setting so that replacement wherein certain
It will affect the connection of remaining electric wire when a piece electric wire, and then have to break the insulation casing being fixedly connected with connecting terminal pedestal
Badly to be replaced, and then guarantee the normal connection of institute's live wire.Therefore it when there is the case where more rewiring, is fixed with pedestal
The insulation casing of connection is not easy to the replacement of electric wire.
Utility model content
In view of the deficienciess of the prior art, having and being convenient for the purpose of the utility model is to provide a kind of current transformer
The effect more to rewire.
The above-mentioned purpose of the utility model has the technical scheme that a kind of current transformer, including
Pedestal and the cabinet being set on pedestal, the top of the box are provided with primary side inlet wire wiring hole, the outer one end of the cabinet
It is provided with the wire base for secondary side outlet, the wire base is located on the pedestal, is arranged on the wire base
There is wiring shell, connecting plate is equipped at the top of the wiring shell, the one end of the connection board and wiring shell are rotatablely connected, the other end and wiring
Shell is connected by fixing bolt.
By using above-mentioned technical proposal, electric wire is passed through into primary side inlet wire wiring hole, then the wiring from secondary side outlet
It is pierced by pedestal, to realize the conversion of electric current, and then facilitates current measurement；A connecting plate is rotatablely connected at the top of wiring shell, when
When electric wire inside wiring shell needs replacing, wiring shell can be opened by fold connecting plate by not having to destroy entire wiring shell,
The purpose that more rewires is realized, to more rewire conveniently, after more rewiring, by fixing bolt by connecting plate and wiring
Shell connection, it is easy for installation, easy to operate.
The utility model is further arranged to: the wiring shell offers connection hole post, institute far from the side of the cabinet
It states and offers connecting hole on wire base, the connection hole post interpolation is connected to holding screw, and the holding screw is connected to connection
In hole.
By using above-mentioned technical proposal, connection hole post is opened up far from the side of cabinet in wiring shell, is opened up on pedestal
With the connecting hole for connecting hole post and being aligned, holding screw is plugged in connection hole post, holding screw is rotated, positions holding screw
In in the connecting hole on wire base, to realize that wiring shell is fixed with wire base, to connect using the connection type of screw
Connect that mode is simple, installation is firm, it is time saving and energy saving.
The utility model is further arranged to: the fixing bolt is connected in connection hole post, and the fixing bolt is located at
On the holding screw.
By using above-mentioned technical proposal, fixing bolt and holding screw are placed simultaneously in connection hole post, has saved and has added
Work cost, improves production efficiency, and fixing bolt is placed on holding screw, not only realizes consolidating for connecting plate and wiring shell
It is fixed, the fixation of wiring shell and wire base, and also such setting is so that between connecting plate, wiring shell and wire base more
It is firm, while makes overall appearance more aesthetically pleasing.
The utility model is further arranged to: the connecting plate is equipped with protrusion close to the side both ends of the cabinet, described
The limit hole for the raised grafting is offered on wiring shell.
By using above-mentioned technical proposal, it is integrally formed at the both ends of connecting plate and is equipped with protrusion, it will be in connection board ends
Protrusion be plugged in the limit hole opened up on wiring shell so that connecting plate is rotationally connected on wiring shell, realize connecting plate
Function is turned down, to facilitate the closure and unlatching of connecting plate.
The utility model is further arranged to: the back-shaped slot of multilayer is distributed in the cabinet from top to down.
By using above-mentioned technical proposal, it is distributed with the back-shaped slot of multilayer from top to down in cabinet, the back-shaped slot on cabinet,
In mutual inductor energization use process, creepage distance is increased, and then enhances the dielectric strength of tank surface, avoids cabinet
Insulating materials be electrically polarized, cause insulating materials that electrification phenomenon is presented, and then avoid between the device of box house or device
Sparking is between ground to threaten personal safety, to improve the precision and reliability of measurement.
The utility model is further arranged to: being convexly equipped with reinforcing rib in the back-shaped slot slot.
By using above-mentioned technical proposal, the reinforcing rib in back-shaped slot slot is not under conditions of increasing box body wall thickness, enhancing
The intensity and rigidity of cabinet has saved material utilization amount, mitigates weight, has saved production cost, at the same make cabinet whole compared with
For beauty.
The utility model is further arranged to: offering fixation hole on the pedestal.
By using above-mentioned technical proposal, fixation hole is opened up on pedestal, connector is inserted into fixation hole, so that pedestal
Use can be connect with other objects, such connection is safe and reliable, easy to operate, easy to disassemble.
In conclusion the advantageous effects of the utility model are as follows:
1. connecting plate side and wiring shell are rotatablely connected, the connecting plate other side is connect with wiring shell by fixing bolt,
So that connecting plate and wiring shell can turn down, opened in use, connecting plate is turned down, after use, by connecting plate with connect
Line shell is fixed using fixing bolt, and this avoid the destructions of butted line shell entirety when more rewiring, while also facilitating electric wire
Replacement.
2. being distributed with the back-shaped slot of multilayer from top to down in cabinet, back-shaped slot increases creepage distance, enhances cabinet
Dielectric strength is avoided and is struck sparks between the intracorporal device of case or device and ground, and then guarantees the personal safety of user of service；It returns
The reinforcing rib of projection plays the intensity and rigidity for reinforcing back-shaped slot in shape slot slot, increases the service life of product, and make
It is whole more beautiful to obtain cabinet.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is structural schematic diagram when the utility model connecting plate is opened.
Fig. 3 is structural schematic diagram when the utility model connecting plate, wiring shell, wire base are not installed.
Fig. 4 is the partial enlargement diagram of part A in Fig. 3.
Description of symbols: 1, pedestal；2, cabinet；3, primary side inlet wire wiring hole；4, wire base；5, wiring shell；6,
Connecting plate；7, fixing bolt；8, hole post is connected；9, connecting hole；10, holding screw；11, raised；12, limit hole；13, back-shaped
Slot；14, reinforcing rib；15, fixation hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, it is a kind of current transformer disclosed by the utility model, including pedestal 1 and is fixedly connected with pedestal 1
Cabinet 2, offer primary side inlet wire wiring hole 3 at the top of cabinet 2, the outer one end of cabinet 2 is provided with connecing for secondary side outlet
Line pedestal 4, wire base 4 are located on pedestal 1, and electric wire is inserted into 3 hole of primary side inlet wire wiring, is then pierced by from wire base 4, can
It realizes the conversion of electric current, and then is convenient for measuring.
Referring to Fig. 2, it is fixedly connected with wiring shell 5 on wire base 4, wiring shell 5 is to be made of insulating material, wiring shell 5
Connecting plate 6 is rotatably connected on top, 6 side of connecting plate is rotationally connected on wiring shell 6, and the other side is connected by fixing bolt 7
It being connected on wiring shell 5, the rotation connection of connecting plate 6 and wiring shell 5 is so that connecting plate 6 can turn down, in order to open, wiring shell 5
The cavity formed with connecting plate 6 can avoid the electric wire being connected on wire base 4 because of the adverse effect of the generations such as humidity or dust,
To influence the use of electric wire, use fixing bolt 7 to connect so that connecting simple and firm, install, dismantle it is time saving and energy saving.
Referring to Fig. 2, Fig. 3, wiring shell 5 offers connection hole post 8 on the side far from cabinet 2, offers on wire base 4
Connecting hole 9 connects in hole post 8 and is plugged with holding screw 10, rotates down holding screw 10, holding screw 10 is made to be connected to connection
In hole 9, the fixation of wiring shell 5 and wire base 4 is realized.
Referring to Fig. 2, Fig. 3, fixing bolt 7 is plugged in connection hole post 8, make fixing bolt 7 be located at holding screw 10 it
On, fixing bolt 7 and holding screw 10 are plugged in same connection hole post 8 in this way, not only realize connecting plate 6, wiring shell 5 and
Connection between wire base 4, and can make more firm and beautiful between connecting plate 6, wiring shell 5 and wire base 4.
Referring to Fig. 4, for connecting plate 6 close to the side both ends of cabinet 2 integrally formed with protrusion 11, protrusion is that spherical or column is set
Set, offer the limit hole 12 for raised 11 grafting on wiring shell 5, such connection type to realize the fold of connecting plate 6,
To guarantee convenience when more rewiring, while protrusion 11 is plugged in the connection type connection of limit hole 12 simply, conveniently.
Referring to Fig. 3, cabinet 2 is distributed with the back-shaped slot 13 of multilayer from top to down, in back-shaped 13 slot of slot on be convexly equipped with reinforcing rib 14,
The back-shaped slot 13 of Multi-layers distributing increases creepage distance on cabinet 2, in use, avoid between the device inside cabinet 2 or
Sparking is between device and ground to threaten personal safety, at the same in 13 slot of back-shaped slot on reinforcing rib 14 strengthen back-shaped slot 13
Intensity and rigidity, and make cabinet 2 whole more beautiful.
Referring to Fig. 3, fixation hole 15 is offered on pedestal 1, when in use, connector is inserted into fixation hole 15, by this
Current transformer is connected with other objects, so that convenient disassembly, simple.
The implementation principle of the present embodiment are as follows: electric wire is inserted into primary side inlet wire wiring hole 3 and passes through cabinet 2, then from case
Body 2 is pierced by, and is connected on wire base 4, and wiring shell 5 is fixedly connected on wire base 4, is turned down at the top of wiring shell 5
It is provided with connecting plate 6, when needing replacing the electric wire in wiring shell 5, the connecting plate 6 on wiring shell 5 is opened, can be realized to electricity
The replacement of line after use, fixing bolt 7 is inserted into connection hole post 8, realizes the connection of connecting plate 6 and wiring shell 5；Together
When on cabinet 2 the back-shaped slot 13 of distributed multilevel from top to down avoided between the device in cabinet 2 or device with increasing creepage distance
It strikes sparks between part and ground, and then guarantees the personal safety of user of service；Reinforcing rib 14 in back-shaped 13 slot of slot enhances the strong of cabinet 2
Degree, so that cabinet 2 is more stable.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (7)
1. a kind of current transformer, including pedestal (1) and the cabinet (2) being set on pedestal (1), at the top of the cabinet (2)
It is provided with primary side inlet wire wiring hole (3), the outer one end of the cabinet (2) is provided with the wire base (4) for secondary side outlet,
The wire base (4) is located on the pedestal (1), is provided with wiring shell (5) on the wire base (4), it is characterised in that:
Be equipped with connecting plate (6) at the top of the wiring shell (5), described connecting plate (6) one end and wiring shell (5) are rotatablely connected, the other end with
Wiring shell (5) is connected by fixing bolt (7).
2. a kind of current transformer according to claim 1, it is characterised in that: the wiring shell (5) is far from the cabinet
(2) side offers connection hole post (8), offers connecting hole (9) on the wire base (4), in the connection hole post (8)
It is plugged with holding screw (10), the holding screw (10) is connected in connecting hole (9).
3. a kind of current transformer according to claim 2, it is characterised in that: the fixing bolt (7) is connected to connection
In hole post (8), the fixing bolt (7) is located on the holding screw (10).
4. a kind of current transformer according to claim 1, it is characterised in that: the connecting plate (6) is close to the cabinet
(2) side both ends are equipped with raised (11), and the limit hole for described raised (11) grafting is offered on the wiring shell (5)
(12).
5. a kind of current transformer according to claim 1, it is characterised in that: the cabinet (2) is distributed with from top to down
The back-shaped slot of multilayer (13).
6. a kind of current transformer according to claim 5, it is characterised in that: be convexly equipped with and add in back-shaped slot (13) slot
Strengthening tendons (14).
7. a kind of current transformer according to claim 1, it is characterised in that: offer fixation hole on the pedestal (1)
(15)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212813.5U CN209626022U (en) | 2019-02-19 | 2019-02-19 | A kind of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212813.5U CN209626022U (en) | 2019-02-19 | 2019-02-19 | A kind of current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209626022U true CN209626022U (en) | 2019-11-12 |
Family
ID=68454002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920212813.5U Expired - Fee Related CN209626022U (en) | 2019-02-19 | 2019-02-19 | A kind of current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209626022U (en) |
-
2019
- 2019-02-19 CN CN201920212813.5U patent/CN209626022U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20220219 |