CN209433985U - A kind of voltage transformer - Google Patents
A kind of voltage transformer Download PDFInfo
- Publication number
- CN209433985U CN209433985U CN201920386181.4U CN201920386181U CN209433985U CN 209433985 U CN209433985 U CN 209433985U CN 201920386181 U CN201920386181 U CN 201920386181U CN 209433985 U CN209433985 U CN 209433985U
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- current transformer
- transformer body
- protecting cover
- guide pin
- casing
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Abstract
The utility model discloses a kind of voltage transformers, including current transformer body, the top of the current transformer body is arranged symmetrically, and there are four guide pins, protecting cover is provided at the top of the guide pin, and the inside top surface of protecting cover is symmetrically arranged with four casings corresponding with guide pin, the inside of the casing offers needle tray compatible with guide pin, the inside two sides of the protecting cover are symmetrically arranged with spring housing, and the side of spring housing is connected with round fixture block, the top of the circle fixture block is in the inner surface of protecting cover；By the way that protecting cover is arranged; so that current transformer body is during transporting and taking; operator can cover protecting cover on the top of current transformer body; and make the inside of guide pin insertion casing; guide pin can be effectively protected under the action of protecting cover and casing; avoid current transformer body during transporting and taking, guide pin and external foreign matter, which occur to wipe to touch, causes guide pin to damage or the problem of bending, and when subsequent use only need to firmly pull up protecting cover.
Description
Technical field
The utility model belongs to electronic component technology field, and in particular to a kind of voltage transformer.
Background technique
Voltage transformer is similar with transformer, is the instrument of the voltage on conversion line, but transformer transformation electricity
The purpose of pressure is to convey electric energy, therefore capacity is very big, typically using kilovolt-ampere or megavolt-ampere as unit of account；And voltage
The purpose of mutual inductor voltage of transformation is primarily used to power to measuring instrumentss and protective relaying device, for measuring the electricity of route
Pressure, power and electric energy, or for expensive equipment, motor and the transformer in line failure in protection circuit, therefore
The capacity very little of voltage transformer, is generally used for the products such as electric energy meter, electric parameters transducer, electronic tester.
Existing voltage transformer when in use, since the guide pin of voltage transformer end is all exposed to outside, is not appointed
What protective device is touched, it is most likely that cause during voltage transformer is transported and taken if guide pin occurs to wipe with external foreign matter
Guide pin damage, or causes guide pin to bend so that voltage transformer it is subsequent can not normal use so that operator is transporting
Great care is needed in the process with taking, it is more inconvenient, thus it is proposed that a kind of voltage transformer.
Utility model content
The purpose of this utility model is to provide a kind of voltage transformers, mentioned above in the background art existing to solve
Voltage transformer when in use, due to the guide pin of voltage transformer end be all exposed to it is outer, without any protective device,
During voltage transformer is transported and taken, touched if guide pin occurs to wipe with external foreign matter, it is most likely that cause guide pin to damage, or lead
Cause guide pin bending so that voltage transformer it is subsequent can not normal use so that operator is during transporting and taking
Need great care, more inconvenient problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of voltage transformer, including mutual inductor master
Body, the top of the current transformer body are symmetrical arranged there are four guide pin, are provided with protecting cover at the top of the guide pin, and protecting cover is interior
Lateral roof surface is symmetrically arranged with four casings corresponding with guide pin, and the inside of the casing offers needle compatible with guide pin
Slot, the inside two sides of the protecting cover are symmetrically arranged with spring housing, and the side of spring housing is connected with round fixture block, the circular card
The top of block is in the inner surface of protecting cover, and the both side surface of the current transformer body is symmetrically offered to be adapted with round fixture block
Round card slot.
Preferably, the front surface of the current transformer body and rear surface are provided with heat sink, and the surface of heat sink is equal
The even radiating fin for being provided with multiple integral types, the front surface and rear surface of the current transformer body offer and heat sink phase
The rectangle mounting groove of adaptation, the heat sink two sides in current transformer body front surface are symmetrically arranged with the first L shape clip of integral type,
Heat sink two sides in current transformer body rear surface are symmetrically arranged with the 2nd L shape clip of integral type, the first L shape clip
End offers slot compatible with the 2nd L shape clip.
Preferably, the opening of the needle tray is provided with tapered spigot, and the bottom end of the tapered spigot extends to
The bottom surface of casing.
Preferably, the casing is sponge material component, and the protecting cover is polyethylene material component.
Preferably, the both side surface of the protecting cover is uniformly provided with multiple tread plates, the internal diameter of the protecting cover and mutual inductor master
The outer diameter of body is consistent.
Preferably, the rectangle mounting groove two sides in the current transformer body front surface symmetrically offer the first installation and lack
Mouthful, and the size of the first installation gap is adapted with the first L shape clip, the rectangle installation in the current transformer body rear surface
Slot two sides symmetrically offer the second installation gap, and the size of the second installation gap is adapted with the 2nd L shape clip.
Preferably, the surface of the 2nd L shape clip offers threaded hole, and the side of slot is through offering and screw thread
The corresponding through-hole in hole.
Compared with prior art, the utility model has the beneficial effects that
1, by setting protecting cover, so that current transformer body, during transporting and taking, operator can cover protecting cover
The top of current transformer body, and make the inside of guide pin insertion casing, can have to guide pin under the action of protecting cover and casing
The protection of effect, avoids current transformer body during transporting and taking, and guide pin occurs to wipe to touch that guide pin is caused to damage with external foreign matter
Or the problem of bending, it is subsequent to need for current transformer body to be mounted on the progress of other instruments inside in use, only protecting cover be exerted oneself
The top of slave current transformer body detach.
2, before current transformer body use, before two heat sinks can be separately fixed at current transformer body by operator
Surface and rear surface, and thermal grease is smeared in heat sink and rectangle mounting groove junction, so that current transformer body is at runtime
The heat of generation can be conducted to the inside of heat sink, and externally be distributed by radiating fin, to improve mutual inductor master
The radiating efficiency of body avoids the problem that when current transformer body is run because of the excessively high failure of temperature.
Detailed description of the invention
Fig. 1 is the current transformer body schematic perspective view of the utility model；
Fig. 2 is that the protecting cover of the utility model connect schematic cross-sectional view with current transformer body；
Fig. 3 is current transformer body positive structure diagram after the heat sink of the utility model embodiment 2 is installed；
Fig. 4 is current transformer body side structure schematic view after the heat sink of the utility model embodiment 2 is installed；
Fig. 5 is that the heat sink of the utility model embodiment 2 connect vertical view schematic cross-sectional view with current transformer body；
In figure: 1, current transformer body；2, rectangle mounting groove；3, the first installation gap；4, guide pin；5, round card slot；6,
Two installation gaps；7, protecting cover；8, casing；9, needle tray；10, tapered spigot；11, round fixture block；12, spring housing；13, heat sink；
14, the first L shape clip；15, radiating fin；16, the 2nd L shape clip；17, slot；18, threaded hole.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of technical solution: a kind of voltage transformer, including mutual inductor master
Body 1, the top of current transformer body 1 is arranged symmetrically, and there are four guide pins 4, and the top of guide pin 4 is provided with protecting cover 7, and the inside of protecting cover 7
Top surface is symmetrically arranged with four casings 8 corresponding with guide pin 4, and the inside of casing 8 offers needle tray compatible with guide pin 4
9, the inside two sides of protecting cover 7 are symmetrically arranged with spring housing 12, and the side of spring housing 12 is connected with round fixture block 11 by spring,
The top of round fixture block 11 is in the inner surface of protecting cover 7, and the both side surface of current transformer body 1 symmetrically offers and round fixture block
11 compatible round card slots 5, by the way that protecting cover 7 is arranged, so that current transformer body 1 is during transporting and taking, operator
Current transformer body 1 can be avoided to transport so that guide pin 4 be effectively protected on 7 sets of the protecting cover tops in current transformer body 1
Defeated and during taking, guide pin 4 and external foreign matter, which occur to wipe to touch, causes guide pin 4 to damage or the problem of bending.
In the present embodiment, it is preferred that the opening of needle tray 9 is provided with tapered spigot 10, and the bottom end one of tapered spigot 10
The bottom surface of casing 8 is directly extended to, so that guide pin 4 is easier to the inside of insertion needle tray 9.
In the present embodiment, it is preferred that casing 8 is sponge material component, and guide pin 4 is obtained when being in 8 inside of casing
To being effectively protected, protecting cover 7 is polyethylene material component.
In the present embodiment, it is preferred that the both side surface of protecting cover 7 is uniformly provided with multiple tread plates, so that when protecting cover 7 is extracted just
It is consistent with the outer diameter of current transformer body 1 in the internal diameter of force, protecting cover 7, protecting cover 7 is smoothly covered in current transformer body
1 top.
Embodiment 2
Fig. 1 to Fig. 5 is please referred to, the utility model provides a kind of technical solution: a kind of voltage transformer, including mutual inductor master
Body 1, the top of current transformer body 1 is arranged symmetrically, and there are four guide pins 4, and the top of guide pin 4 is provided with protecting cover 7, and the inside of protecting cover 7
Top surface is symmetrically arranged with four casings 8 corresponding with guide pin 4, and the inside of casing 8 offers needle tray compatible with guide pin 4
9, the inside two sides of protecting cover 7 are symmetrically arranged with spring housing 12, and the side of spring housing 12 is connected with round fixture block 11 by spring,
The top of round fixture block 11 is in the inner surface of protecting cover 7, and the both side surface of current transformer body 1 symmetrically offers and round fixture block
11 compatible round card slots 5, by the way that protecting cover 7 is arranged, so that current transformer body 1 is during transporting and taking, operator
Current transformer body 1 can be avoided to transport so that guide pin 4 be effectively protected on 7 sets of the protecting cover tops in current transformer body 1
Defeated and during taking, guide pin 4 and external foreign matter, which occur to wipe to touch, causes guide pin 4 to damage or the problem of bending.
In the present embodiment, it is preferred that the front surface and rear surface of current transformer body 1 are provided with heat sink 13, and radiate
The surface of plate 13 is evenly arranged with the radiating fin 15 of multiple integral types, and the front surface and rear surface of current transformer body 1 open up
There is rectangle mounting groove 2 compatible with heat sink 13,13 two sides of heat sink in 1 front surface of current transformer body are symmetrically arranged with one
First L shape clip 14 of body formula, the 2nd L of integral type is symmetrically arranged in 13 two sides of heat sink of 1 rear surface of current transformer body
The end of shape clip 16, the first L shape clip 14 offers slot 17 compatible with the 2nd L shape clip 16, so that mutual inductor master
The heat that body 1 generates at runtime can be conducted to the inside of heat sink 13, and externally be distributed by radiating fin 15, from
And the radiating efficiency of current transformer body 1 is improved, it avoids the problem that when current transformer body 1 is run because of the excessively high failure of temperature.
In the present embodiment, it is preferred that the opening of needle tray 9 is provided with tapered spigot 10, and the bottom end one of tapered spigot 10
The bottom surface of casing 8 is directly extended to, so that guide pin 4 is easier to the inside of insertion needle tray 9.
In the present embodiment, it is preferred that casing 8 is sponge material component, and guide pin 4 is obtained when being in 8 inside of casing
To being effectively protected, protecting cover 7 is polyethylene material component.
In the present embodiment, it is preferred that the both side surface of protecting cover 7 is uniformly provided with multiple tread plates, so that when protecting cover 7 is extracted just
It is consistent with the outer diameter of current transformer body 1 in the internal diameter of force, protecting cover 7, protecting cover 7 is smoothly covered in current transformer body
1 top.
In the present embodiment, it is preferred that 2 two sides of rectangle mounting groove in 1 front surface of current transformer body symmetrically offer
One installation gap 3, and the size of the first installation gap 3 is adapted with the first L shape clip 14, is in 1 rear surface of current transformer body
2 two sides of rectangle mounting groove symmetrically offer the second installation gap 6, and the size of the second installation gap 6 and the 2nd L shape clip 16
It is adapted, so that heat sink 13 will not be in 1 table of current transformer body after the first L shape clip 14 and the 2nd L shape clip 16 provide
Face sliding, to play the effect fixed to heat sink 13.
In the present embodiment, it is preferred that the surface of the 2nd L shape clip 16 offers threaded hole 18, and the side of slot 17 is passed through
It wears and offers through-hole corresponding with threaded hole 18, so that the 2nd L shape clip 16 and the first L shape clip 14 can be screwed
Together.
The working principle and process for using of the utility model: by be arranged protecting cover 7 so that current transformer body 1 transport and
During taking, operator can be by 7 sets of the protecting cover tops in current transformer body 1, and make the inside of the insertion needle tray 9 of guide pin 4,
And 7 sets of protecting cover at 1 top of current transformer body, round fixture block 11 can be squeezed into the inside of spring housing 12, allow protecting cover 7 suitable
Benefit covers on the top of current transformer body 1, and when round fixture block 11 coincides with round card slot 5, round fixture block 11 can be in spring housing
Pop-up is to the inside of round card slot 5 under the action of 12 contained springs, and protecting cover 7 is made to be fixed on the top of current transformer body 1, from
And guide pin 4 is effectively protected, avoid current transformer body 1 during transporting and taking, guide pin 4 and external foreign matter occur
Wiping touch cause guide pin 4 damage or bending the problem of, it is subsequent need for current transformer body 1 to be mounted on carried out inside other instruments using
When, the top for the slave current transformer body 1 that protecting cover 7 is exerted oneself need to only be detached, circle fixture block 11 can be squeezed into again when detaching
The inside of spring housing 12, so that protecting cover 7 can be detached smoothly from the top of current transformer body 1；
Before 1 use of current transformer body, two heat sinks 13 can be separately fixed at current transformer body 1 by operator
Front surface and rear surface, and thermal grease is smeared in heat sink 13 and 2 junction of rectangle mounting groove, so that current transformer body 1 exists
The heat generated when operation can be conducted to the inside of heat sink 13, and externally be distributed by radiating fin 15, to mention
The radiating efficiency of high current transformer body 1 avoids the problem that radiating when current transformer body 1 is run because of the excessively high failure of temperature
When plate 13 is installed, thermal grease can be first smeared inside rectangle mounting groove 2, two heat sinks 13 are then respectively put into mutual inductor
Inside the rectangle mounting groove 2 of 1 front and rear surfaces of main body, and the end of the 2nd L shape clip 16 is made to be inserted into the inside of slot 17, when the
The end of two L shape clips 16 is fully inserted into 17 inside of slot, then fastening screw is penetrated through through-hole and is threaded into hole 18
Inside, that is, may make the 2nd L shape clip 16 to be fixed together with the first L shape clip 14, so that two heat sinks 13 be distinguished
It is fixed on the front and rear surfaces of current transformer body 1.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of voltage transformer, including current transformer body (1), it is characterised in that: the top of the current transformer body (1) is symmetrical
There are four settings guide pin (4), is provided with protecting cover (7) at the top of the guide pin (4), and the inside top surface of protecting cover (7) is symmetrical
If the inside of the casing (8) offers and guide pin (4) compatible needle tray there are four casing (8) corresponding with guide pin (4)
(9), the inside two sides of the protecting cover (7) are symmetrically arranged with spring housing (12), and the side of spring housing (12) is connected with circular card
The top of block (11), the circle fixture block (11) is in the inner surface of protecting cover (7), the two sides table of the current transformer body (1)
Face symmetrically offers the compatible round card slot (5) with round fixture block (11).
2. a kind of voltage transformer according to claim 1, it is characterised in that: the front surface of the current transformer body (1)
It is provided with heat sink (13) with rear surface, and the surface of heat sink (13) is evenly arranged with the radiating fin of multiple integral types
(15), the front surface and rear surface of the current transformer body (1) offer and heat sink (13) compatible rectangle mounting groove
(2), heat sink (13) two sides in current transformer body (1) front surface are symmetrically arranged with the first L shape clip (14) of integral type, place
The 2nd L shape clip (16) of integral type is symmetrically arranged in heat sink (13) two sides of current transformer body (1) rear surface, described first
The end of L shape clip (14) offers the compatible slot (17) with the 2nd L shape clip (16).
3. a kind of voltage transformer according to claim 1, it is characterised in that: the opening of the needle tray (9) is provided with
Tapered spigot (10), and the bottom end of the tapered spigot (10) extends to the bottom surface of casing (8).
4. a kind of voltage transformer according to claim 1, it is characterised in that: the casing (8) is sponge material component,
The protecting cover (7) is polyethylene material component.
5. a kind of voltage transformer according to claim 1, it is characterised in that: the both side surface of the protecting cover (7) is uniform
Equipped with multiple tread plates, the internal diameter of the protecting cover (7) is consistent with the outer diameter of current transformer body (1).
6. a kind of voltage transformer according to claim 2, it is characterised in that: in table before the current transformer body (1)
Rectangle mounting groove (2) two sides in face symmetrically offer the first installation gap (3), and the size of the first installation gap (3) and the first L
Shape clip (14) is adapted, and rectangle mounting groove (2) two sides in the current transformer body (1) rear surface symmetrically offer second
Installation gap (6), and the size of the second installation gap (6) is adapted with the 2nd L shape clip (16).
7. a kind of voltage transformer according to claim 2, it is characterised in that: the surface of the 2nd L shape clip (16)
It offers threaded hole (18), and the side of slot (17) is through offering through-hole corresponding with threaded hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920386181.4U CN209433985U (en) | 2019-03-26 | 2019-03-26 | A kind of voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920386181.4U CN209433985U (en) | 2019-03-26 | 2019-03-26 | A kind of voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209433985U true CN209433985U (en) | 2019-09-24 |
Family
ID=67978817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920386181.4U Active CN209433985U (en) | 2019-03-26 | 2019-03-26 | A kind of voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209433985U (en) |
-
2019
- 2019-03-26 CN CN201920386181.4U patent/CN209433985U/en active Active
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