CN208904665U - A kind of power supply device of handheld electric products - Google Patents
A kind of power supply device of handheld electric products Download PDFInfo
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- CN208904665U CN208904665U CN201820106560.9U CN201820106560U CN208904665U CN 208904665 U CN208904665 U CN 208904665U CN 201820106560 U CN201820106560 U CN 201820106560U CN 208904665 U CN208904665 U CN 208904665U
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- power supply
- circuit
- electric products
- handheld electric
- plug
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Abstract
The utility model discloses a kind of power supply devices of handheld electric products.Comprising: plug, the power supply docked with handheld electric products, it is connected between plug and power supply by conducting wire, and power supply circuit is provided in plug and power supply, the power supply circuit has a direct current power supply circuit, the powered by direct current circuit includes: the rectification circuit being arranged in plug and the transforming circuit that is arranged in power supply, the alternating current that external power receptacle inputs is converted to direct current by rectification circuit by plug, then by conducting wire by DC supply input to transforming circuit, direct current needed for exporting handheld electric products by varying circuit.Ac-dc converter circuit is disposed in attaching plug and power supply by the utility model, power supply can be docked directly with handheld electric products, hand handle part as handheld electric products, it thus is avoided that and power supply adaptor is set on the power line, reduce the yoke of power supply line, directly uses alternating current as power supply convenient for user.
Description
Technical field:
The utility model relates to hand-held electronic product technical fields, refer in particular to a kind of power supply device of handheld electric products.
Background technique:
The products such as hair dryer, hair dryer, hand-held curler, hand-held heater of hair straightener, electric drill, electric screw driver are common hands
Hold formula small electric apparatus.What it was generallyd use is alternating current, i.e., the alternating current of alternating current is input to these hand-held electricity by a plug
In sub- product, electric calorifie installation or motor operation are then driven.
With the development of the technologies such as direct current generator, DC heating device, direct current is used in more and more electronic products
As working power, meanwhile, battery pack can be directly used using direct current as power supply as power supply, thus remove slotting
The yoke of head power supply line, the operation of person more convenient to use.But the power source for some electronic products, in product
Or the power of main power-consuming component is larger, is limited by the capacity of existing battery, when powering using battery pack, the activity duration is usual
It is shorter.It needs constantly to replace battery pack or charging.Such as shown in Figure 1, this is a kind of current hand held electric drill, is
Convenient for users to operation, the bottom of electric drill 7 is provided with a replaceable battery pack 71, which can provide
The DC current of 1.4V, 6A, to drive the d.c. motor in electric drill.But the capacity of this battery pack is limited.So user
Two battery packs would generally be equipped in being used alternatingly, reserve battery packet is charged when in use, when electricity currently in use
When the packet not enough power supply of pond, reserve battery packet is replaced, and charge to the battery pack of not enough power supply, be so used alternatingly.
From the above mentioned, this operation mode is very troublesome.But if directlying adopt AC power supply, as shown in Fig. 2,
One power adapter 73 is set first, i.e., is provided with a power supply adaptor 73, this power supply adaptor on power supply line 72
73 volumes are larger, are arranged on power supply line 72 and enable movement very inconvenient.
Utility model content:
Technical problem to be solved in the utility model, which is that, overcomes the deficiencies of the prior art and provide a kind of hand-held electronics
The power supply device of product.
In order to solve the above-mentioned technical problem, the utility model uses following technical proposals: a kind of handheld electric products
The power supply that power supply device includes: the plug connecting with external power receptacle, is docked with handheld electric products, the plug with
It is connected between power supply by conducting wire, and is provided with power supply circuit in plug and power supply, which has a direct current
Electric power supply circuit, the powered by direct current circuit include: the rectification circuit being arranged in plug and the transformation that is arranged in power supply
The alternating current that external power receptacle inputs is converted to direct current by rectification circuit by circuit, plug, then will be straight by conducting wire
Galvanic electricity is input to transforming circuit, direct current needed for exporting handheld electric products by varying circuit.
Furthermore, in above-mentioned technical proposal, the power supply has a docking docked with handheld electric products
Portion is provided with the direct current electrode being electrically connected with transforming circuit on the docking section.
Furthermore, in above-mentioned technical proposal, the power supply circuit further includes one and the powered by direct current circuit
AC power supply circuit in parallel, the AC power supply circuit are electrically connected by plug with the exchange that external power receptacle provides,
And the alternating current required to handheld electric products output by conducting wire.
Furthermore, it in above-mentioned technical proposal, is provided on the docking section and electrically connects with AC power supply circuit
The alternating current electrode connect.
Furthermore, in above-mentioned technical proposal, NFC module is provided on the docking section.Alternatively, the docking
Identification electrode is provided in portion.
Furthermore, in above-mentioned technical proposal, a control switch is provided on the power supply, which connects
Enter in the AC power supply circuit.
Furthermore, in above-mentioned technical proposal, which further includes a battery pack, which has and dock
The mutually isostructural battery pack docking section in portion, in being provided with the battery to handheld electric products input dc power on battery pack docking section
Electrode.
Furthermore, in above-mentioned technical proposal, NFC module or identification electricity are provided on the battery pack docking section
Pole.
Furthermore, in above-mentioned technical proposal, the handheld electric products are any one following product: electricity is blown
Wind, hand-held curler, hand-held heater of hair straightener, electric drill, electric screw driver.
The utility model is after adopting the above technical scheme, it has the advantage that
First, ac-dc converter circuit is disposed in attaching plug and power supply by the utility model, and power supply can
It is directly docked with handheld electric products, as the hand handle part of handheld electric products, thus is avoided that and power supply is set on the power line
Adapter, reduces the yoke of power supply line, directly uses alternating current as power supply convenient for user.
The second, DC power-supply circuit and ac power circuit in parallel, root are provided in the power supply circuit of the utility model
According to the demand of different handheld electric products, direct current supply or Alternating Current Power Supply can choose, it in this way can will be multiple similar
Handheld electric products use the power supply device of unified specification, reduce the setting of the type, model of power supply device, reduce unnecessary
Waste.
Third, settable wired power supply device in the utility model, the battery pack of also settable same size pass through battery
Packet directly provides DC power supply, and user selects as needed, to further facilitate user.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of existing electric drill；
Fig. 2 is the structural schematic diagram of the outfit power supply adaptor of existing electric drill；
Fig. 3 is the structural schematic diagram of the utility model embodiment one；
Fig. 4 is the power principle figure of the utility model embodiment one；
Fig. 5 is the structural schematic diagram of the utility model embodiment two；
Fig. 6 is the circuit diagram of the utility model embodiment two；
Fig. 7 is the structural schematic diagram of the utility model embodiment three；
Fig. 8 is the structural schematic diagram of the utility model embodiment four；
Fig. 9 is the structural schematic diagram of the utility model embodiment five；
Figure 10 is the structural schematic diagram of the utility model embodiment six.
Specific embodiment:
The present invention will be further described with attached drawing combined with specific embodiments below.
As shown in Fig. 3, Fig. 4, this is the example one of the utility model comprising: the plug being connect with external power receptacle
1, the power supply 2 docked with handheld electric products 3.
It is connected between the plug 1 and power supply 2 by conducting wire 4, and is provided with power supply in plug 1 and power supply 2
Circuit 5.
The power supply circuit 5 has powered by direct current circuit and AC power supply circuit in parallel.The powered by direct current
Circuit includes: the rectification circuit 51 being arranged in plug 1 and the transforming circuit 52 that is arranged in power supply 2, and plug 1 will be external
The alternating current of power outlet input is converted to direct current by rectification circuit 51, is then extremely become DC supply input by conducting wire 4
Volt circuit 52, direct current needed for exporting handheld electric products 3 by transforming circuit 52.The AC power supply circuit is by inserting
First 1 exchange provided with external power receptacle is electrically connected, and required alternating current is exported to handheld electric products 3 by conducting wire 4.
The power supply 2 has a docking section 20 docked with handheld electric products 3, be provided on the docking section 20 and
The direct current electrode 21,22 that transforming circuit 52 is electrically connected, meanwhile, it is provided on the docking section 20 and AC power supply electricity
The alternating current electrode 23,24 that road is electrically connected.Since direct current electrode 21,22 and alternating current electrode 23,24 are arranged at docking
In portion 20, in order to avoid deviation occurs in insertion angle, the fool proof insert structure which uses, i.e., the docking section 20 is slotting
Enter face in an irregular Cross-section, for specific the present embodiment one, a cascaded surface 201 be provided at docking section 20,
In this way it is prevented that user, which is inserted into angle, deviation occurs, it is ensured that direct current electrode 21,22 and alternating current electrode 23,24 and hand
It is not in mistake when holding electronic product docking.
As shown in connection with fig. 4, the workflow of the powered by direct current circuit are as follows: plug 1 is connect with commercial power socket, by city
The alternating current of electricity output is input to the rectification circuit 51 in plug 1, and AC rectification is converted to direct current by rectification circuit 51
Electricity, then direct current is input to the transforming circuit 52 in power supply 2 by conducting wire 4, and direct current is carried out transformation conversion, output
The working direct current of 7.2V, 6A export DC operation electricity to handheld electric products finally by direct current electrode 21,22
Stream.The workflow of the AC power supply circuit are as follows: plug 1 is connect with commercial power socket, and the alternating current of city's electricity output is led to
The alternating current electrode 23,24 that conducting wire 4 is directly output to be arranged on docking section 20 is crossed, 220V, 10A can be exported for handheld electric products
Alternating current.In addition, being provided with safety element 56 and control in AC power supply circuit in order to ensure AC power supply safety
Make switch 55, wherein safety element 56 is set in plug 1, and control switch 55 is set in power supply 2, with convenient for users to
Operation.
Powered by direct current circuit is divided into two parts in the present embodiment one, wherein rectification circuit 51 is set up directly on plug
In 1, and transforming circuit 52 is arranged in power supply 2, is connected by conducting wire 4 therebetween, thus without as power supply line
Conducting wire on power supply adaptor is separately provided, it is easy to remove to reduce yoke.Meanwhile power supply 2 being set in the present embodiment one
Handle moulding is counted, can thus be not necessarily to increase the volume of electronic product directly as the handle of handheld electric products.May be used also simultaneously
To be replaced with battery pack, this point will be further described in subsequent embodiment.
In addition, being used due to using detachable structure between a kind of power supply 2 of the present embodiment and handheld electric products
When, it needs to be inserted into power supply 2 in handheld electric products in interface corresponding with docking section 20, so being inserted into order to prevent
Power supply 2 and handheld electric products mismatch, the present embodiment one needs to be arranged an identification device, what which used
It is that setting is provided with identification electrode 54 on docking section 20.That is, several identification electrodes 54, the identification are arranged on docking section 20
Electrode 54 accesses in the identification circuit 57 in docking section 20, corresponding, also sets in the interface of handheld electric products
It is equipped with electrode corresponding with identification electrode 54, after handheld electric products are docked with power supply 2, identification electrode 54 is connected, identification
Circuit 57 will be judged between the handheld electric products and power supply 2 according to the conducting response of counter electrode in identification electrode whether
Matching.If it does, then the circuit of power supply 2 is connected, be otherwise not connected.
The identification circuit 57 is powered by DC power-supply circuit, and control switch 55 and the identification circuit 57 connect
It connects, to control whether the control switch 55 responds by identification circuit 57.
As shown in Fig. 5, Fig. 6, this is the embodiments of the present invention two, and the present embodiment two and one difference of embodiment exist
In: using the substitution identification electrode 54 of NFC module 53 in the present embodiment two.NFC technique is near-field communication technology, and it is a kind of for being used as
The radio technology of short distance high frequency has been widely used in identification technology, in e-payment technology.The present embodiment two uses NFC mould
The identification electrode of block 53 alternate embodiment one kind, response faster, and can recognize more.Other parts in embodiment two
Technical solution be the same as example 1, no longer repeat one by one here.
The utility model can be widely used in various handheld electric products, and as shown in Figure 7, this is the utility model
Embodiment three, three kinds of the present embodiment, the handheld electric products 3 are a kind of hair dryer.Power supply 2 is directly as hair dryer
Hand handle.The interface 30 docked with docking section 20 in power supply 2 is provided on hair dryer.If handheld electric products 3
Operating current use the electrically driven (operated) alternating current in city, then be provided in interface 30 and alternating current electrode 23,24 corresponding exchanges
Electrode.If the operating current of handheld electric products 3 uses direct current, it is provided in interface 30 and direct current electrode
21,22 corresponding direct current electrode.
As shown in Figure 8, this is the example four of the utility model, and handheld electric products 3 are a kind of hand-held in the present embodiment four
Formula curler not only includes plug 1 and power supply 2 in above-described embodiment one, two, three, further includes a battery pack 6, should
Battery pack 6 have with the mutually isostructural battery pack docking section 60 in above-mentioned docking section 20, be provided on battery pack docking section 60 to
The battery electrode 61,62 of 3 input dc power of handheld electric products.Battery pack 6 can be carried out with power supply 2 in the present embodiment four
Hand-held curler, is combined, user can select as needed by switching from different power supplies according to different requirements,
Battery power supply is selected, wired power supply may be selected when dead battery.It is very easy to use.Meanwhile it is same on the battery pack docking section 60
Sample is provided with identification electrode 54, to enable handheld electric products 3 that can identify the source of power supply, to pass through its internal control circuit
Reasonable arrangement is for electricity output.
As shown in Figure 9, this is the embodiments of the present invention five, in the present embodiment five, the electronics with same-interface 30
Product 3 (the different size curler in such as Fig. 9) can match power supply 2 or battery pack 6 with corresponding docking section.
In the utility model, handheld electric products can also be the various productions such as hand-held heater of hair straightener, electric drill, electric screw driver
Product, as shown in Figure 10, this is the embodiments of the present invention six, and in the present embodiment six, the handheld electric products 3 are one kind
Electric drill, the technical solution used is identical as previous embodiment, no longer repeats one by one here.
It certainly, is not to limit the utility model and implement the foregoing is merely specific embodiment of the utility model
Range, all equivalent change or modifications done according to structure, feature and principle described in present utility model application the scope of the patents, should all wrap
It includes in present utility model application the scope of the patents.
Claims (7)
1. a kind of power supply device of handheld electric products comprising: the plug (1) and hand-held electricity being connect with external power receptacle
The power supply (2) of sub- product (3) docking, it is characterised in that: between the plug (1) and power supply (2) even by conducting wire (4)
It connects, and is provided with power supply circuit (5) in plug (1) and power supply (2), which has powered by direct current electricity
Road, the powered by direct current circuit include: setting in the rectification circuit (51) in plug (1) and the change being arranged in power supply (2)
The alternating current that external power receptacle inputs is converted to direct current by rectification circuit (51) by volt circuit (52), plug (1), then
By conducting wire (4) by DC supply input to transforming circuit (52), by needed for varying circuit (52) output handheld electric products (3)
Direct current；
The power supply (2) has a docking section (20) docked with handheld electric products (3), is arranged on the docking section (20)
There is the direct current electrode (21,22) being electrically connected with transforming circuit (52)；
The power supply circuit (5) further includes the AC power supply circuit of one Yu the powered by direct current circuit in parallel, the exchange
Electric power supply circuit is electrically connected by plug (1) with the exchange that external power receptacle provides, and is produced by conducting wire (4) to hand-held electronics
Alternating current needed for product (3) output；It is provided on the docking section (20) and is exchanged with what AC power supply circuit was electrically connected
Electrode (23,24)；
The inserting surface of the docking section (20) is in an irregular Cross-section, i.e., is provided with a rank at docking section (20)
Tread (201).
2. a kind of power supply device of handheld electric products according to claim 1, it is characterised in that: the docking section
(20) NFC module (53) are provided on.
3. a kind of power supply device of handheld electric products according to claim 1, it is characterised in that: the docking section
(20) identification electrode (54) is provided on.
4. a kind of power supply device of handheld electric products according to claim 1, it is characterised in that: the power supply
(2) control switch (55) are provided on, in the control switch (55) the access AC power supply circuit.
5. a kind of power supply device of handheld electric products according to claim 1, it is characterised in that: the power supply device also wraps
Include a battery pack (6), the battery pack (6) have with docking section (20) mutually isostructural battery pack docking section (60), in battery pack
The battery electrode (61,62) to handheld electric products (3) input dc power is provided on docking section (60).
6. a kind of power supply device of handheld electric products according to claim 5, it is characterised in that: the battery pack pair
NFC module (53) or identification electrode (54) are provided in socket part (60).
7. a kind of power supply device of handheld electric products described in any one of -6 according to claim 1, it is characterised in that: institute
The handheld electric products (3) stated are any one following product: hair dryer, hand-held curler, hand-held heater of hair straightener, electric drill, electronic
Screwdriver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820106560.9U CN208904665U (en) | 2018-01-20 | 2018-01-20 | A kind of power supply device of handheld electric products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820106560.9U CN208904665U (en) | 2018-01-20 | 2018-01-20 | A kind of power supply device of handheld electric products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208904665U true CN208904665U (en) | 2019-05-24 |
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ID=66565089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820106560.9U Active CN208904665U (en) | 2018-01-20 | 2018-01-20 | A kind of power supply device of handheld electric products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208904665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421753A (en) * | 2020-10-13 | 2021-02-26 | 广州欧圣商贸发展有限公司 | Double-drive hair curling rod |
-
2018
- 2018-01-20 CN CN201820106560.9U patent/CN208904665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421753A (en) * | 2020-10-13 | 2021-02-26 | 广州欧圣商贸发展有限公司 | Double-drive hair curling rod |
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