CN107103977B - A kind of power transformer - Google Patents
A kind of power transformer Download PDFInfo
- Publication number
- CN107103977B CN107103977B CN201710468504.XA CN201710468504A CN107103977B CN 107103977 B CN107103977 B CN 107103977B CN 201710468504 A CN201710468504 A CN 201710468504A CN 107103977 B CN107103977 B CN 107103977B
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- Prior art keywords
- voltage
- power transformer
- pedestal
- upper housing
- transformer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5213—Covers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of power transformers, including shell;Detection module, in the chamber of shell, with automatic identification input voltage and the converting unit of voltage conversion instruction can be issued, and judge that input voltage over-voltage carries out the judgement alarm unit of high frequency flicker alarm or under-voltage progress low frequency flicker alarm according to output voltage;Transformer body is connect in the chamber of shell and with detection module electrical property or signal, for executing the conversion instruction of converting unit sending to realize the conversion of voltage;Above-mentioned power transformer identifies and judges input voltage by the detection module connecting with transformer body, realize power transformer high voltage and low-voltage it is mutual automated intelligent conversion, thus electric appliance general can be made in domestic and international voltage standard;Also, detection module carries out high frequency flicker alarm or under-voltage progress low frequency flicker alarm in input voltage over-voltage, enable users to timely to find above-mentioned power transformer input voltage whether be power transformer standard nominal input voltage.
Description
Technical field
The present invention relates to transformer technology fields, and in particular to a kind of power transformer.
Background technique
In recent years, with the rise of the buying patterns such as Hai Tao, tourist shopping, more and more foreign countries' electric appliances enter the country,
But the voltage overwhelming majority for the electric appliance that foreign countries buy does not meet China's voltage standard, or is travelling abroad or going on business
When, there may be differences for the voltage and external voltage of portable country's electric appliance, if foreign electric appliance is directly connected me
Domestic electric appliance is connected external power supply and may result in electric appliance and can not work normally or even burn out by the power supply of state.
For this purpose, the prior art such as Chinese patent literature CN205230786U discloses a kind of electricity with short-circuit protection function
Source transformer comprising shell, be set in the housing portion and toroidal transformer with input terminal lead and output end lead, with it is defeated
The plug for entering to hold lead electrical connection, the socket being electrically connected with output end lead, control switch.
However, the prior art not can solve still in actual use domestic and international electric appliance due to voltage standard difference without
The general problem of energy, the reason is that, realization high voltage-low-voltage conversion that the toroidal transformer of the prior art can only be single
Or the conversion of low-voltage-high voltage, and home and abroad environment is compared, most external voltage standards and domestic voltage mark
It is quasi- different, it is high or low, if improper use during artificial selection uses power transformer, can play and run counter to desire
Effect.
Summary of the invention
Therefore, the purpose of the present invention is to provide one kind, and electric appliance general can be made in the power supply transformation of domestic and international voltage standard
Device.
A kind of power transformer, including
Shell;
Detection module, in the chamber of the shell, have can automatic identification input voltage and issue voltage conversion refer to
The converting unit of order, and judge that input voltage over-voltage carries out high frequency flicker alarm or under-voltage progress low frequency sudden strain of a muscle according to output voltage
The judgement alarm unit of bright alarm;
Transformer body is connect, for holding in the chamber of the shell and with the detection module electrical property or signal
The conversion instruction that the row converting unit issues is to be converted to rated output voltage for the input voltage.
Preferably, the detection module is the circuit board that the transformer body side is arranged in.
Preferably, the shell includes the pedestal and upper housing being detachably connected, and the upper housing is connect with the pedestal
The chamber is formed, the transformer body and the detection module are arranged in the cavity bottom;The pedestal is equipped with and institute
State transformer body and corresponding first heat release hole of the detection module.
Preferably, further include the plug assembly for appliance plug grafting set on the chamber, the upper housing it is remote
End face from the pedestal is the fitting surface for forming installation opening, and the plug assembly is connected to described by the first clamping structure
At installation opening.
It preferably, further include being set between the transformer body and the plug assembly for being connected the positioning transformation
The outer rim of the fixed plate of device ontology and the plug assembly, the fixed plate is connected in the chamber by the second clamping structure
Wall.
Preferably, the fixed plate is polygonized structure, shape between the polygonized structure and the inner wall of the upper housing
At the heat transfer for generating the transformer body to the heat dissipation channel on the chamber top.
Preferably, the pedestal is circle, and the upper housing is the conical structure that bottom opening is adapted to the pedestal.
Preferably, second clamping structure includes several barbs for being symmetrically disposed on the upper enclosure inner wall, and molding
With respect to both sides and the raised line of the groove being caught in suitable for the barb is provided in the fixed plate.
Preferably, the transformer body is connect by first fixed structure with the pedestal, the first fixed structure
Periphery setting including taking shape on the pedestal, along the transformer body lower end is for preventing the transformer body from shaking
First protrusion, and take shape in the fixed plate towards the transformer body upper end side, with first male cooperation
Further fix the second protrusion of the transformer body.
Preferably, indicator light is provided on the upper housing, the indicator light is connected to the circuit board, can be according to defeated
The height of voltage shows red light perhaps blue lamp carries out the flashing of low frequency or high frequency according to the under-voltage or over-voltage of input voltage out
Alarm.
Preferably, first clamping structure include take shape in the fitting surface and the plug assembly junction and
Several protrusions being oppositely arranged, and the position of the relatively described protrusion of the plug assembly is taken shape in, it is provided with suitable for the protrusion
The slot being caught in.
Preferably, the power transformer further includes the shell being set on the outside of the fitting surface by the second fixed structure
Lid, the cap form and are aligned setting with the installation opening, are connected to the plug assembly for the electricity for plug insertion
Five hole jacks of electric appliance described in the voltage output after the conversion of source transformer.
Preferably, the fitting surface forms several second heat release holes, the cap towards the side of the fitting surface at
Type has the bulge loop being bonded in the cap and upper housing connection with the fitting surface, forms and described second on the bulge loop
Heat release hole cooperation by the heat transfer in the power transformer to outside, connect with the fitting surface and to form the third of hole and dissipate
Hot hole.
Preferably, it is provided between the fitting surface and the cap for preventing children from passing through five hole jack contact
To the protective door of the plug assembly.
Preferably, the junction of the pedestal and the upper housing is provided with the Outlet line for accessing supply voltage.
Technical solution of the present invention has the advantages that
1. power transformer provided by the invention, including shell;Detection module, in the chamber of shell, having can be certainly
Dynamic identification input voltage and the converting unit for issuing voltage conversion instruction, and judge that input voltage is crossed according to output voltage and be pressed into
The alarm of row high frequency flicker or the under-voltage judgement alarm unit for carrying out low frequency flicker alarm;Transformer body, set on the chamber of shell
It is interior and connect with detection module electrical property or signal, for executing the conversion instruction of converting unit sending to convert input voltage into
Rated output voltage;Above-mentioned power transformer carries out input voltage by the detection module connecting with transformer body automatic
It identifies and judges, conversion instruction is issued when recognizing input voltage and being high voltage makes transformer body carry out the low electricity of high voltage-
The conversion of pressure, issuing conversion instruction when recognizing input voltage and being low-voltage makes transformer body carry out low-voltage-high voltage
Conversion, i.e., by power transformer to input voltage can be carried out high voltage or low-voltage it is mutual automated intelligent identification and
Conversion, can be achieved with electric appliance general in domestic and international voltage standard, without using the power supply transformation of two different switching functions in this way
Device;Also, detection module can be judged according to the output voltage of power transformer input voltage whether over-voltage or under-voltage, if over-voltage
High frequency flicker alarm is then issued, low frequency flicker alarm is issued if under-voltage, such user can be intuitive outside power transformer
Acquisition power transformer work state information, and can timely find above-mentioned power transformer input voltage whether be electricity
The nominal input voltage or transformer body failure of source transformer standard.
2. power transformer provided by the invention, shell includes the pedestal and upper housing being detachably connected, upper housing and bottom
Seat connection forms chamber, and transformer body and detection module are arranged in cavity bottom;Upper housing bottom is equipped with and transformer body
The first heat release hole corresponding with detection module;Shell is arranged to dismountable pedestal and upper housing, convenient for in chamber zero
Component is installed, and is connected pedestal with upper housing after being installed, rapid and convenient;Above-mentioned first heat release hole be in order to
It radiates to transformer body and detection module, prevents overheat in power transformer.
3. power transformer provided by the invention further includes the plug assembly for appliance plug grafting set on chamber,
The end face of the separate pedestal of upper housing is the fitting surface for forming installation opening, and plug assembly is connected to dress by the first clamping structure
At mouth;Above-mentioned plug assembly is connected at installation opening by the first clamping structure, can make operator will be easily from upper casing
Plug assembly is connected at the installation opening of fitting surface by the opening that body is connect with pedestal.
4. power transformer provided by the invention further includes being set between transformer body and plug assembly for being connected fixed
The fixed plate of position transformer body and plug assembly, the outer rim of fixed plate are connected in chamber inner wall by the second clamping structure;On
It states fixed plate and chamber inner wall is connected in by the second clamping structure, this structure is connect from upper housing with pedestal convenient for operator
Opening fixed plate is packed into the inner wall of upper housing, and can be securely attached on inner wall.
5. power transformer provided by the invention, transformer body is connect by first fixed structure with pedestal, and first is solid
Determining structure includes taking shape on pedestal, first for preventing transformer body shaking being arranged along the periphery of transformer body lower end
Protrusion, and take shape in fixed plate and further fix transformer sheet towards the side of transformer body upper end, with the first male cooperation
Second protrusion of body;Above-mentioned transformer body is by being located at the first protrusion of transformer body lower end and being located on transformer body
Second protrusion at end is firmly fixed in chamber, will not be shaken power transformer receives shock.
6. power transformer provided by the invention, power transformer further includes being set to fitting surface by the second fixed structure
The cap in outside, cap form and are aligned setting with installation opening, are connected to plug assembly for power transformer for plug insertion
Five hole jacks of the voltage output electric appliance after conversion;Above-mentioned cap is set to the outside of fitting surface, can be effectively protected and cover
The plug assembly being connected at installation opening is prevented from getting an electric shock or be leaked electricity.
7. power transformer provided by the invention, fitting surface forms several second heat release holes, and cap is towards fitting surface
Side forms the bulge loop being bonded in cap and upper housing connection with fitting surface, forms on bulge loop and cooperates with the second heat release hole
By the heat transfer in power transformer to it is external, connect to form the third heat release hole of hole with fitting surface;Above-mentioned second heat dissipation
Hole and third heat release hole are matched with heat dissipation channel, the heat that transformer body and detection module generate successively are radiated logical
Road, the second heat release hole and third heat release hole are gone out out of chamber by the upper guide of power transformer external.
8. power transformer provided by the invention is provided with for preventing children from inserting by five holes between fitting surface and cap
Hole touches the protective door of plug assembly;This structure can prevent children from getting electric shock, and prevent dust, foreign matter etc. and fall into plug assembly
It is interior.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the explosive view of power transformer provided by the invention;
Fig. 2 is the structural schematic diagram of power transformer provided by the invention;
Fig. 3 is main sectional view shown in Fig. 2;
Fig. 4 is schematic diagram of internal structure shown in Fig. 2;
Fig. 5 is the structural schematic diagram of pedestal shown in Fig. 2;
Description of symbols: 1- pedestal, the first protrusion of 11-, the first heat release hole of 12-, the first screw hole of 13-, 14- support
Column, 2- upper housing, 21- fitting surface, 22- barb, 23- indicator light, 24- Outlet line, the first flight of 25-, 211- installation opening,
The second heat release hole of 212-, the second screw hole of 213-, 3- cap, five hole jack of 31-, 32- bulge loop, 33- third heat release hole, 4- transformation
Device ontology, 5- plug assembly, 51- slot, 52- copper piece component, 53- third screw hole, 6- fixed plate, the second protrusion of 61-, 62-
Raised line, 7- detection module, 8- protective door.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment
As shown in Figure 1, a kind of power transformer, including shell;Detection module 7 has in the chamber of the shell
Energy automatic identification input voltage and the converting unit for issuing voltage conversion instruction, and the input electricity is judged according to output voltage
It presses through and carries out high frequency flicker alarm or the under-voltage judgement alarm unit for carrying out low frequency flicker alarm;Transformer body 4 is set to institute
It states in the chamber of shell and is connect with 7 electrical property of detection module or signal, for executing described in the converting unit sending
Conversion instruction is to be converted to rated output voltage for the input voltage;In the present embodiment, the input voltage is the electricity
The voltage of the power transformer is inputted after source transformer access supply voltage, under normal circumstances, the input voltage is energy
The nominal input voltage for working normally the power transformer, i.e., preset input voltage, and the rated output voltage is
Preset output voltage;In addition, the present embodiment is to judge the input voltage according to the output voltage of the power transformer
With the presence or absence of under-voltage or over-voltage, such case can be by the output voltage as caused by 4 failure of transformer body
Variation is included, and is enabled users to timely find the output voltage exception as caused by transformer body 4 and is handled.
Above-mentioned power transformer by the detection module that is connect with the transformer body to the input voltage into
Row automatically identifies and judges, and issuing the conversion instruction when recognizing the input voltage and being high voltage makes the transformer
Ontology carries out the conversion of high voltage-low-voltage, and issuing the conversion instruction when recognizing the input voltage and being low-voltage makes
The transformer body carries out the conversion of low-voltage-high voltage, i.e., can be carried out the power transformer to the input voltage
High voltage or low-voltage it is mutual automated intelligent identification and conversion, can be achieved with electric appliance general in this way in domestic external voltage
Standard, without using the power transformer of two different switching functions;Also, the detection module can be according to the power supply transformation
The output voltage of device judge the input voltage whether over-voltage or under-voltage, issued if over-voltage high frequency flicker alarm, if
It is under-voltage, low frequency flicker alarm is issued, such user can intuitively obtain the power supply transformation outside the power transformer
The work state information of device, and can timely find whether the input voltage of above-mentioned power transformer is the power supply transformation
4 failure of the nominal input voltage of device standard or the transformer body.
Further, the detection module 7 is the circuit board that 4 side of transformer body is arranged in;It is set on the circuit
It is equipped with the relay that can pass through conversion signal automatic switching circuit;The circuit board is passed through using screw and is molded over the circuit board
On screw hole, and the flight of support column 14 that is arranged on the pedestal 1 is fixed on the side of the transformer body 4.
Further, as depicted in figs. 1 and 2, the shell includes the pedestal 1 and upper housing 2 being detachably connected, the upper casing
Body 2 connect to form the chamber with the pedestal 1, and the transformer body 4 is arranged with the detection module 7 at the chamber bottom
Portion;The pedestal 1 is equipped with first heat release hole 12 corresponding with the transformer body 4 and the detection module 7;By the shell
Body is arranged to dismountable pedestal 1 and upper housing 2, convenient for installing to components in the chamber, and is installed
The pedestal 1 and upper housing 2 are connected afterwards, rapid and convenient;Above-mentioned first heat release hole 12 is in order to the transformer sheet
Body 4 and detection module 7 radiate, and prevent overheat in the power transformer.
In addition, first heat release hole 12 includes that round heat release hole is arranged along the pedestal 1 and 2 junction of upper housing and divides
Linear type heat release hole of the cloth in 1 bottom of pedestal;1 bottom of pedestal is additionally provided with for anti-skidding non-slip mat.
Further, the pedestal 1 and upper housing 2 are by taking shape in around the pedestal 1 and 2 junction of upper housing
Several first screw holes 13 take shape in the upper housing 2 first flight 25 corresponding with first screw hole 13, and pass through
First screw hole 13 is fixedly connected with the screw of the first flight 25.
It further, further include the plug assembly 5 for appliance plug grafting for being set to the chamber, the upper housing 2
End face far from the pedestal 1 is the fitting surface 21 for forming installation opening 211, and the plug assembly 5 passes through the first clamping structure
It is connected at the installation opening 211;Above-mentioned plug assembly 5 is connected at the installation opening 211 by first clamping structure,
It can make operator that the plug assembly 5 is connected to the opening easily connecting from the upper housing 2 with the pedestal 1
At the installation opening 211 of the fitting surface 21;Copper piece component 52 is provided in the plug assembly 5.
It further, as shown in Figure 3 and Figure 4, further include being set to use between the transformer body 4 and the plug assembly 5
The fixed plate 6 of the transformer body 4 and the plug assembly 5 is positioned in linking, the outer rim of the fixed plate 6 passes through the second card
Binding structure is connected in the chamber inner wall;Above-mentioned fixed plate 6 is connected in the chamber inner wall by second clamping structure, this
The fixed plate 6 is packed on described by kind structure convenient for the opening that operator connect from the upper housing 2 with the pedestal 1
2 inner wall of shell, and can be securely attached on 2 inner wall of upper housing.
Further, the fixed plate 6 is polygonized structure, between the polygonized structure and the inner wall of the upper housing 2
Heat dissipation channel of heat transfer of the formation for generating the transformer body 4 to the chamber top;It is above-mentioned by described solid
The heat dissipation channel that fixed board 6 and chamber inner wall are formed can be used to pass to the heat that the transformer body 4 and detection module 7 generate
To the top of the chamber, and the conducting wire that can accommodate the transformer body 4 is passed through and is electrically connected with the plug assembly 5.
Further, the pedestal 1 is circle, and the upper housing 2 is the cone knot that bottom opening is adapted to the pedestal 1
Structure;This construction profile is beautiful, compact-sized, it should be noted that this is the preferred embodiment of the present embodiment, in other implementations
Also other shapes structure may be selected in example.
Further, second clamping structure includes several barbs 22 for being symmetrically disposed on 2 inner wall of upper housing, and at
Type is in the opposite both sides of the fixed plate 6 and is provided with the raised line 62 of the groove being caught in suitable for the barb 22;Above-mentioned second clamping
The cooperation for the groove on the barb 22 and fixed plate 6 that structure passes through 2 inner wall of upper housing is firm by the fixed plate 6
The inner wall for snapping fit onto the upper housing 2 in jail, does not fall out, and operate conveniently, only need to be by the fixed plate 6 when installation
The groove is directed at the barb 22 and is caught in.
Further, as shown in Figure 3 and Figure 5, the transformer body 4 is connect by first fixed structure with the pedestal 1,
The first fixed structure includes taking shape on the pedestal 1, being arranged along the periphery of 4 lower end of transformer body for preventing
The first protrusion 11 that the transformer body 4 shakes, and the fixed plate 6 is taken shape in towards 4 upper end of transformer body
Side, the second protrusion 61 that the transformer body 4 is further fixed with 11 cooperation of the first protrusion;Above-mentioned transformer body
4 by being located at first protrusion 11 of 4 lower end of transformer body and positioned at described the of 4 upper end of transformer body
Two protrusions 61 are firmly fixed in the chamber, will not be shaken the power transformer receives shock;Separately
Outside, first protrusion 11 and the second protrusion 61 are formed by several combination of protrusions, the shape and structure that do not fix, as long as energy
Realize the positioning to the transformer body 4.
Further, as shown in Fig. 2, being provided with indicator light 23 on the upper housing 2, the indicator light 23 is connected to the electricity
Road plate, can show red light in the power transformer output voltage high voltage, and when low-voltage shows blue lamp, in the input
Carry out low frequency flicker when under-voltage, when over-voltage carries out high frequency flicker;Above-mentioned indicator light 23 can intuitively reflect the power supply
The working condition of transformer, the indicator light 23 show red light when the power transformer carries out low-voltage-high voltage conversion,
It carries out showing blue lamp when high voltage-low voltage transition, when the input voltage over-voltage, the indicator light 23 carries out high frequency flicker,
When the input voltage is under-voltage, the indicator light 23 carries out low frequency flicker, and user can be intuitive from the state of the indicator light 23
The work state information of the power transformer is solved, can be taken timely measure when or over-voltage under-voltage in the input voltage,
The electric appliance damage for avoiding the power transformer from burning out or be electrically connected with the power transformer.In addition, judging the input
Under-voltage or the range of over-voltage are ± 10%.
Such as: now the power transformer to be accessed to external supply voltage using domestic electrical equipment external,
It is more than -10% when the nominal input voltage is under-voltage assuming that the indicator light 23 shows red light, then the indicator light 23 is in red light
Low frequency flicker is carried out under state, when the nominal input voltage over-voltage is more than+10%, then the indicator light 23 is under red light phase
Carry out high frequency flicker.
Further, first clamping structure include the junction for taking shape in the fitting surface 21 and the plug assembly 5,
And several protrusions being oppositely arranged, and take shape in the position of the relatively described protrusion of the plug assembly 5 and be provided with suitable for described convex
Act the slot 51 being caught in;This structure is able to achieve the quick clamping of the docking apparatus Yu the fitting surface 21, facilitates operator
Member's installation.
Further, the power transformer further includes the shell that 21 outside of fitting surface is set to by the second fixed structure
Lid 3, the cap 3 form and are aligned setting with the installation opening 211, are connected to the general of plug assembly 5 for plug insertion
Five hole jacks 31 of electric appliance described in the voltage output after the power transformer conversion;Above-mentioned cap 3 is set to the fitting surface
21 outside can be effectively protected and cover the plug assembly 5 being connected at the installation opening 211, prevent electric shock or
Electric leakage.
Specifically, second fixed structure includes that alignment respectively takes shape in the plug assembly 5 and the fitting surface 21
The third screw hole 53 of the plug assembly 5 of junction and the 4th screw hole 213 of the fitting surface 21, take shape in the shell
Second flight corresponding with the 4th screw hole 213 of lid 3, and sequentially pass through the third screw hole 53, the 4th screw hole
213 and second flight screw.
Further, the fitting surface 21 forms several second heat release holes 212, and the cap 3 is towards the fitting surface 21
Side form the bulge loop 32 that is bonded with the fitting surface 21 in the cap 3 and the connection of upper housing 2, on the bulge loop 32
It forms and cooperates with second heat release hole 212 by the heat transfer in the power transformer to the external and fitting surface
21 connection shape third heat release holes 33;Above-mentioned second heat release hole 212 and third heat release hole 33 are matched with heat dissipation channel, by the change
The heat that depressor ontology 4 and detection module 7 generate is successively through the heat dissipation channel, the second heat release hole 212 and third heat release hole 33
Outside is gone out by the upper guide of the power transformer out of described chamber.
Further, it is additionally provided with the lamp hole of several mountable ornament lamps at the fitting surface 21, connects the decoration of circuit
The light of lamp can be cast out from the third heat release hole 33, especially at night, increase the ornamental of the power transformer
Property.
Further, it is provided between the fitting surface 21 and the cap 3 for preventing children from passing through five hole jack
31 touch the protective door 8 of the plug assembly 5;This structure can prevent children from getting electric shock, and prevent dust, foreign matter etc. and fall into institute
It states in plug assembly 5.
Further, the junction of the pedestal 1 and the upper housing 2 is provided with the Outlet line for accessing supply voltage
24。
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (12)
1. a kind of power transformer, which is characterized in that including
Shell;
Detection module (7) has energy automatic identification input voltage and issues voltage conversion instruction in the chamber of the shell
Converting unit, and judge that the input voltage over-voltage carries out high frequency flicker alarm or under-voltage carry out low frequency according to output voltage
Flash the judgement alarm unit of alarm;
Transformer body (4) connect in the chamber of the shell and with the detection module (7) electrical property or signal, is used for
The conversion instruction of the converting unit sending is executed so that the input voltage is converted to rated output voltage;
The detection module (7) is circuit board of the setting in the transformer body (4) side;
The shell includes the pedestal (1) and upper housing (2) being detachably connected, and the upper housing (2) connect with the pedestal (1)
The chamber is formed, the transformer body (4) and the detection module (7) are arranged in the cavity bottom;The pedestal (1)
Equipped with the first heat release hole (12) corresponding with the transformer body (4) and the detection module (7);
Further include the plug assembly (5) that appliance plug grafting is used in the chamber, the upper housing (2) far from described
The end face of pedestal (1) is the fitting surface (21) for forming installation opening (211), and the plug assembly (5) passes through the first clamping structure
It is connected at the installation opening (211).
2. power transformer according to claim 1, which is characterized in that further include be set to the transformer body (4) with
For being connected the fixed plate (6) for positioning the transformer body (4) and the plug assembly (5) between the plug assembly (5),
The outer rim of the fixed plate (6) is connected in the chamber inner wall by the second clamping structure.
3. power transformer according to claim 2, which is characterized in that the fixed plate (6) is polygonized structure, described
The heat transfer for generating the transformer body (4) is formed between polygonized structure and the inner wall of the upper housing (2)
To the heat dissipation channel on the chamber top.
4. power transformer according to claim 1, which is characterized in that the pedestal (1) is circle, the upper housing
(2) conical structure being adapted to for bottom opening with the pedestal (1).
5. power transformer according to claim 2, which is characterized in that second clamping structure includes being symmetrically disposed on
Several barbs (22) of upper housing (2) inner wall, and take shape in the fixed plate (6) with respect to both sides and be provided with suitable for institute
State the raised line (62) for the groove that barb (22) is caught in.
6. power transformer according to claim 1, which is characterized in that the transformer body (4) is fixed by first
Structure is connect with the pedestal (1), and the first fixed structure includes taking shape on the pedestal (1), along the transformer sheet
First raised (11) of the periphery setting of body (4) lower end for preventing the transformer body (4) from shaking, and take shape in described solid
Fixed board (6) further fixes the change towards the side of the transformer body (4) upper end, with described first raised (11) cooperation
The second of depressor ontology (4) is raised (61).
7. power transformer according to claim 1, which is characterized in that be provided with indicator light on the upper housing (2)
(23), the indicator light (23) is connected to the circuit board, can be aobvious according to the power transformer high voltage or low-voltage
Show that red light issues low frequency flicker or high frequency flicker when perhaps the blue lamp input voltage is under-voltage or over-voltage.
8. power transformer according to claim 1, which is characterized in that first clamping structure is described including taking shape in
The junction of fitting surface (21) and the plug assembly (5) and several protrusions being oppositely arranged, and take shape in the plug assembly
(5) position of the relatively described protrusion is provided with the slot (51) being caught in suitable for the protrusion.
9. power transformer according to claim 1, which is characterized in that the power transformer further includes solid by second
Determine cap (3) of the structure setting on the outside of the fitting surface (21), it is right with the installation opening (211) that the cap (3) forms
Neat setting, the plug assembly (5) is connected to for plug insertion will be described in the voltage output after power transformer conversion
Five hole jacks (31) of electric appliance.
10. power transformer according to claim 9, which is characterized in that the fitting surface (21) forms several second
The side of heat release hole (212), cap (3) towards the fitting surface (21) is formed in the cap (3) and upper housing (2)
The bulge loop (32) being bonded when connection with the fitting surface (21), the bulge loop (32) form and second heat release hole (212)
Cooperation connect the heat transfer that the transformer body (4) generate to form third heat dissipation to outside, with the fitting surface (21)
Hole (33).
11. power transformer according to claim 9, which is characterized in that the fitting surface (21) and the cap (3) it
Between be provided with protective door (8) for preventing children from touching by five hole jack (31) plug assembly (5).
12. power transformer according to claim 1, which is characterized in that the pedestal (1) and the upper housing (2)
Junction is provided with the Outlet line (24) for accessing supply voltage.
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CN201710468504.XA CN107103977B (en) | 2017-06-20 | 2017-06-20 | A kind of power transformer |
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CN201710468504.XA CN107103977B (en) | 2017-06-20 | 2017-06-20 | A kind of power transformer |
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CN107103977A CN107103977A (en) | 2017-08-29 |
CN107103977B true CN107103977B (en) | 2019-08-13 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117672690B (en) * | 2024-01-31 | 2024-04-12 | 张家港鑫峰机电有限公司 | Self-adaptive power supply transformer |
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US5684689A (en) * | 1996-06-19 | 1997-11-04 | Advanced Mobile Solutions, Inc. | Interchangeable plug power supply with automatically adjusting input voltage receiving mechanism |
JPH11111411A (en) * | 1997-10-06 | 1999-04-23 | Tamaki Yasuhiro | Electric outlet equipped with multi-functional extension cord |
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CN2263363Y (en) * | 1995-11-13 | 1997-09-24 | 李明跃 | Electronic alarm automatic control voltage regulator |
CN202039900U (en) * | 2011-01-25 | 2011-11-16 | 淮南市新光源特种照明器材有限公司 | Flameproof and intrinsically safe sound acousticoptical signal box for mine |
CN203931721U (en) * | 2014-07-04 | 2014-11-05 | 浙江德力西电器有限公司 | Transformer termination |
CN204257951U (en) * | 2014-09-11 | 2015-04-08 | 明华电子科技(惠州)有限公司 | A kind of novel external pressure regulation plug assembly |
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CN117672690B (en) * | 2024-01-31 | 2024-04-12 | 张家港鑫峰机电有限公司 | Self-adaptive power supply transformer |
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Denomination of invention: A power transformer Effective date of registration: 20201217 Granted publication date: 20190813 Pledgee: China Co. truction Bank Corp Yueqing branch Pledgor: ZHEJIANG DELIXI ELECTRICAL APPLIANCES Co.,Ltd. Registration number: Y2020330001221 |