CN209357582U - A kind of clip-type current transformer convenient to use - Google Patents
A kind of clip-type current transformer convenient to use Download PDFInfo
- Publication number
- CN209357582U CN209357582U CN201920123159.0U CN201920123159U CN209357582U CN 209357582 U CN209357582 U CN 209357582U CN 201920123159 U CN201920123159 U CN 201920123159U CN 209357582 U CN209357582 U CN 209357582U
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- China
- Prior art keywords
- wall
- magnetic core
- clip
- insulator
- current transformer
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Abstract
The utility model discloses a kind of clip-type current transformers convenient to use, including pedestal, the top exterior walls of the pedestal are bolted there are two heat dissipation tank and insulator, and insulator sets between two heat dissipation tanks sandwiched, there is secondary magnetic core set to folder welding at the outer wall axle center of the insulator, the top welding of one of them heat dissipation tank once magnetic core set, and the two sides outer wall of magnetic core set is respectively arranged with the first connecting terminal and the second connecting terminal, the top welding of the magnetic core set has heat dissipating housing.The utility model passes through two groups of vertical mutual inductors, it can carry out secondary mutual inductance, primary coil is clip mutual inductor, secondary coil is to guarantee the access quantity that mutual inductor can be reduced in multiple groups wiring to formula mutual inductor is worn, the air duct being integrated on pedestal and insulator, with convection furnace and convection flow fan is closed, heat is from bottom to top taken out of, guarantees that the temperature of integral transformer is maintained at reasonable working temperature.
Description
Technical field
The utility model relates to transformer technical field more particularly to a kind of clip-type current transformers convenient to use.
Background technique
Primary side high current is converted into secondary side low current to measure according to electromagnetic induction principle by current transformer
Instrument.Current transformer is made of the iron core and winding being closed.Its first side winding the number of turns is seldom, and string is measured in needs
In the route of electric current.Through retrieving, China Patent Publication No. is the patent of CN109030902A, discloses a kind of current transformer,
Including current transformer ontology, the current transformer ontology is equipped with retainer plate on current transformer, the current transformer
Retainer plate under current transformer is equipped with below upper retainer plate, retainer plate upper top side is equipped with arc groove on the current transformer
A。
Current transformer in above-mentioned patent has the disadvantage that heat dissipation is radiated by some radiating fins,
It will increase mutual inductor thickness, and heat dissipation effect is limited, while when carrying out mutual inductance, one group of mutual inductance water conservancy diversion can only be carried out, meet
To multiple groups wiring, multiple mutual inductors are needed, effect can be because the fever of multiple mutual inductors impacts.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and propose a kind of convenient to use
Clip-type current transformer.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of clip-type current transformer convenient to use, including pedestal, the top exterior walls of the pedestal are bolted
There are two heat dissipation tank and insulators, and insulator sets between two heat dissipation tanks sandwiched, molten to folder at the outer wall axle center of the insulator
It is connected to secondary magnetic core set, the top welding of one of them heat dissipation tank once magnetic core set, and outside the two sides of magnetic core set
Wall is respectively arranged with the first connecting terminal and the second connecting terminal, and the top welding of the magnetic core set has heat dissipating housing, and dissipates
The top exterior walls of heat cover have been bolted convection furnace, and the inner wall of the magnetic core set is connected with magnetic core, and the two of magnetic core
Side is wrapped with the first mutual inductor and the second mutual inductor respectively, and one end of the first mutual inductor and the second mutual inductor connects respectively
It connects on the inner wall of the first connecting terminal and the second connecting terminal, the magnetic core is wrapped with side mutual inductance line close to the side of heat dissipation tank
The inner wall of circle, the secondary magnetic core set is connected with secondary magnetic core, and the outer wall of secondary magnetic core is wrapped with annular mutual inductor.
Preferably, the inner wall of the insulator is there are air duct, and the inner wall of heat dissipation tank has been bolted convection flow fan, and two
A convection flow fan is separately fixed on the both ends outer wall in air duct.
Preferably, the inner wall of the convection furnace is provided with grid, and the two sides outer wall of convection furnace is provided with air holes, in air holes
Wall is connected with valve.
Preferably, four side outer walls of the insulator are provided with slot, and slot inner wall is connected with shielding piece.
Preferably, the bottom end of the annular mutual inductor is connected with magnetic pole, and magnetic pole is located at the inner wall axle center of secondary magnetic core
Place, magnetic pole and secondary magnetic core are located in same level.
Preferably, the inner wall of the convection furnace has been bolted temperature sensor, and the signal end of temperature sensor
Microprocessor is connected with by signal wire.
Preferably, the convection flow fan is connected with switch, and switch is connected by conducting wire with microprocessor.
The utility model has the following beneficial effects:
1. current transformer can carry out secondary mutual inductance, primary coil is by being provided with two groups of vertical mutual inductors
Clip mutual inductor, secondary coil are that can carry out mutual inductance to formula mutual inductor is worn by two magnetic cores being disposed vertically, guarantee in multiple groups
When wiring, the access quantity of mutual inductor can be reduced, the fever for reducing mutual inductor influences；
2. current transformer is integrated in air duct and insulator on pedestal by bottom, by internal temperature sensor,
With convection furnace and convection flow fan is closed, heat is from bottom to top taken out of, guarantees that the temperature of integral transformer is maintained at reasonable work
Temperature.
In conclusion this current transformer can carry out secondary mutual inductance, primary coil is by two groups of vertical mutual inductors
Clip mutual inductor, secondary coil are to guarantee the access quantity that mutual inductor can be reduced in multiple groups wiring to formula mutual inductor is worn, and are collected
At on pedestal air duct and insulator with convection furnace and convection flow fan is closed heat is from bottom to top taken out of, guarantee whole mutual inductance
The temperature of device is maintained at reasonable working temperature.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of clip-type current transformer convenient to use structural schematic diagram；
Fig. 2 be the utility model proposes a kind of clip-type current transformer convenient to use a magnetic core cover cross-section structure
Schematic diagram；
Fig. 3 be the utility model proposes a kind of clip-type current transformer convenient to use insulator cross-section structure signal
Figure.
In figure: 1 pedestal, No. 2 two magnetic core sets, 3 insulators, 4 heat dissipation tanks, No. a 5 magnetic core sets, 6 first connecting terminals, 7 heat dissipations
Cover, 8 convection furnaces, 9 second connecting terminals, 10 first mutual inductors, 11 magnetic cores, 12 second mutual inductors, 13 side mutual inductors, 14
Secondary magnetic core, 15 convection flow fans, 16 air ducts, 17 shielding pieces.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of clip-type current transformer convenient to use, including pedestal 1, the top exterior walls of pedestal 1 pass through
Bolt is fixed, and there are two heat dissipation tank 4 and insulators 3, and insulator 3 sets between two heat dissipation tanks 4 sandwiched, the outer wall axle center of insulator 3
There are secondary magnetic core set 2, the top welding of one of heat dissipation tank 4 once magnetic core set 5, an and magnetic core set 5 in place to folder welding
Two sides outer wall be respectively arranged with the first connecting terminal 6 and the second connecting terminal 9, the top welding of a magnetic core set 5 has heat dissipation
Cover 7, and the top exterior walls of heat dissipating housing 7 have been bolted convection furnace 8, the inner wall of a magnetic core set 5 is connected with magnetic core 11, and
The two sides of magnetic core 11 are wrapped with the first mutual inductor 10 and the second mutual inductor 12, the first mutual inductor 10 and the second mutual inductance respectively
One end of coil 12 is connected on the inner wall of the first connecting terminal 6 and the second connecting terminal 9, and magnetic core 11 is close to heat dissipation tank 4
Side be wrapped with side mutual inductor 13, the inner wall of secondary magnetic core set 2 is connected with secondary magnetic core 14, and the outer wall of secondary magnetic core 14
It is wrapped with annular mutual inductor, there are air ducts 16 for the inner wall of insulator 3, and the inner wall of heat dissipation tank 4 has been bolted convective wind
Machine 15, two convection flow fans 15 are separately fixed on the both ends outer wall in air duct 16, and the inner wall of convection furnace 8 is provided with grid, and
The two sides outer wall of convection furnace 8 is provided with air holes, and air holes inner wall is connected with valve, and four side outer walls of insulator 3 are provided with slot, and slot
Inner wall is connected with shielding piece 17, and the bottom end of annular mutual inductor is connected with magnetic pole, and magnetic pole is located at the inner wall axis of secondary magnetic core 14
At the heart, magnetic pole and secondary magnetic core 14 are located in same level, and the inner wall of convection furnace 8 has been bolted temperature sensor,
And the signal end of temperature sensor is connected with microprocessor, the model CN32PT of temperature sensor, micro process by signal wire
The model ARM9TDMI of device, convection flow fan 15 is connected with switch, and switch is connected by conducting wire with microprocessor.
Working principle: by the fixed entire current transformer of pedestal 1, then pass through the first connecting terminal 6 and the second wiring
Terminal 9 carries out input/output terminal connection, while 12 line end of the second mutual inductor of bottom at work, leads to as preparation line end
The mutual inductance effect between magnetic core 11 and coil is crossed, electric current in coil is subjected to transmitting or unsteady flow, the air duct 16 in insulator 3 passes through
Convection flow fan 15 and convection furnace 8 carry out heat exchange, guarantee the reasonable working temperature of mutual inductor.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of clip-type current transformer convenient to use, including pedestal (1), which is characterized in that outside the top of the pedestal (1)
Wall is bolted there are two heat dissipation tank (4) and insulator (3), and insulator (3) sets between two heat dissipation tanks (4) sandwiched,
There is secondary magnetic core set (2) to folder welding at the outer wall axle center of the insulator (3), the top of one of them heat dissipation tank (4) is molten
It is connected to a magnetic core set (5), and the two sides outer wall of a magnetic core set (5) is respectively arranged with the first connecting terminal (6) and second and connects
The top welding of line terminals (9), a magnetic core set (5) has heat dissipating housing (7), and the top exterior walls of heat dissipating housing (7) pass through spiral shell
Bolt is fixed with convection furnace (8), and the inner wall of a magnetic core set (5) is connected with magnetic core (11), and the two sides difference of magnetic core (11)
It is wrapped with the first mutual inductor (10) and the second mutual inductor (12), the first mutual inductor (10) and the second mutual inductor (12)
One end is connected on the inner wall of the first connecting terminal (6) and the second connecting terminal (9), and the magnetic core (11) is close to heat dissipation tank
(4) side is wrapped with side mutual inductor (13), and the inner wall of the secondary magnetic core set (2) is connected with secondary magnetic core (14), and two
The outer wall of secondary magnetic core (14) is wrapped with annular mutual inductor.
2. a kind of clip-type current transformer convenient to use according to claim 1, which is characterized in that the insulator (3)
Inner wall there are air duct (16), and the inner wall of heat dissipation tank (4) has been bolted convection flow fan (15), two convection flow fans
(15) it is separately fixed on the both ends outer wall in air duct (16).
3. a kind of clip-type current transformer convenient to use according to claim 1, which is characterized in that the convection furnace
(8) inner wall is provided with grid, and the two sides outer wall of convection furnace (8) is provided with air holes, and air holes inner wall is connected with valve.
4. a kind of clip-type current transformer convenient to use according to claim 1, which is characterized in that the insulator (3)
Four side outer walls be provided with slot, and slot inner wall is connected with shielding piece (17).
5. a kind of clip-type current transformer convenient to use according to claim 1, which is characterized in that the annular mutual inductance
The bottom end of coil is connected with magnetic pole, and magnetic pole is located at the inner wall axle center of secondary magnetic core (14), magnetic pole and secondary magnetic core (14) position
In in same level.
6. a kind of clip-type current transformer convenient to use according to claim 1, which is characterized in that the convection furnace
(8) inner wall has been bolted temperature sensor, and the signal end of temperature sensor is connected with micro process by signal wire
Device.
7. a kind of clip-type current transformer convenient to use according to claim 2, which is characterized in that the convection flow fan
(15) it is connected with switch, and switch is connected by conducting wire with microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123159.0U CN209357582U (en) | 2019-01-24 | 2019-01-24 | A kind of clip-type current transformer convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123159.0U CN209357582U (en) | 2019-01-24 | 2019-01-24 | A kind of clip-type current transformer convenient to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209357582U true CN209357582U (en) | 2019-09-06 |
Family
ID=67803363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920123159.0U Expired - Fee Related CN209357582U (en) | 2019-01-24 | 2019-01-24 | A kind of clip-type current transformer convenient to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209357582U (en) |
-
2019
- 2019-01-24 CN CN201920123159.0U patent/CN209357582U/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: 20190906 Termination date: 20210124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |