CN206373858U - A kind of voltage transformation switching device for electric tool - Google Patents
A kind of voltage transformation switching device for electric tool Download PDFInfo
- Publication number
- CN206373858U CN206373858U CN201621179956.3U CN201621179956U CN206373858U CN 206373858 U CN206373858 U CN 206373858U CN 201621179956 U CN201621179956 U CN 201621179956U CN 206373858 U CN206373858 U CN 206373858U
- Authority
- CN
- China
- Prior art keywords
- voltage
- electric tool
- module
- battery bag
- conversion module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model is related to field of power tools, and in particular to a kind of voltage transformation switching device for electric tool.Wherein, voltage transformation switching device includes：First voltage conversion module, input is connected with battery bag connector, and output end is connected with the pole piece of electric tool, for the voltage conversion that exports battery bag for the voltage needed for electric tool works；Start-up circuit, including second voltage conversion module, input are connected with battery bag connector, and output end is connected with the pole piece of electric tool, and voltage is started for being provided to electric tool；Start and stop detecting module, is connected with the output end of second voltage conversion module, and the electric signal for the output end according to second voltage conversion module judges whether electric tool starts.Pass through the utility model so that the applicability of the voltage transformation switching device of the present embodiment is wide.
Description
Technical field
The utility model is related to field of power tools, and in particular to a kind of voltage transformation for electric tool, which is transferred, to be filled
Put.
Background technology
For battery powered electric tool, due to the charge and discharge protecting standard that each producer, each brand be not unified,
It is also different in structure.Meanwhile, for different utilization places and different business strategies, there is also difference for same producer
The battery bag and instrument of voltage；Such result is exactly that market is full of different structure, the battery bag that interface is different, voltage is different
And charger.
At present, increasing electric tool turns to more portable, more efficient battery and powered；And battery bag is easy
Consumption product, cause the follow-up battery bag of electric tool to be changed and bring many inconvenience：Use the battery bag of same brand, price
It is expensive；It is exactly replaceable without follow-up battery bag.Plus the electric tool for possessing different brands simultaneously, battery bag can not
Mutually use, reduce the service efficiency of battery bag；For entire society, the battery bag of different voltages also results in battery
Bag species is various, mutually uncurrent waste.
Publication No. CN103856048A patent document discloses a kind of DC/DC converters for electric tool, tool
Body disclose the DC/DC converters also include processing module and output voltage control module, the processing module with it is described defeated
Go out voltage control module to be connected, the output voltage control module is connected with the DC/DC modules, and the processing module passes through institute
The output voltage that output voltage control module controls the DC/DC modules is stated, required output voltage can be thus obtained, from
And the voltage of battery bag output is adapted with the operating voltage needed for the electric tool.
Further, also disclosed in the document：The DC/DC converters also include tool switch detection module.The instrument
Whether switch detection module is connected with processing module and electric tool, for judging electric tool in work.From the attached of the document
Tool switch detection module disclosed in figure understands that the tool switch detection module, which can be only used for detection direct current electric power tools, is
It is no to work, and AC electrical instrument can not be detected whether in work, therefore, its applicability is limited to.
Utility model content
The technical problems to be solved in the utility model is that the electric pressure converter in the prior art for electric tool can not
Whether detection AC electrical instrument causes it using limited in work, turns so as to provide a kind of voltage transformation for electric tool
Connection device.
The utility model embodiment provides a kind of voltage transformation switching device for electric tool, including：First electricity
Conversion module is pressed, input is connected with battery bag connector, and output end is connected with the pole piece of electric tool, for by described in
The voltage conversion of battery bag output is the voltage needed for the electric tool works；Start-up circuit, including second voltage become mold changing
Block, input is connected with the battery bag connector, and output end is connected with the pole piece of electric tool, for described electronic
Instrument, which is provided, starts voltage；Start and stop detecting module, is connected with the output end of the second voltage conversion module, for according to institute
The electric signal for stating the output end of second voltage conversion module judges whether the electric tool starts, wherein, in the electronic work
In the case that tool starts, the first voltage conversion module starts and exports the voltage needed for the electric tool work.
Further, the electric tool includes：Control panel and motor, the control panel are used to control the motor to open
It is dynamic, wherein, the first voltage conversion module is used to provide the voltage needed for its work to the motor；The second voltage becomes
Changing the mold block is used to provide the startup voltage to the control panel.
Further, the power of the second voltage conversion module is less than the power of the first voltage conversion module.
Further, the start-up circuit also includes：Diode, is connected on the output of the second voltage conversion module
End, the unidirectional output for controlling the second voltage conversion module.
Further, the first voltage conversion module be DC/DC modules, the input of the DC/DC modules homopolarity with
It is direct-connected by through swtich between output end, it is in the electricity needed for the electric tool works in the output voltage of the battery bag
In the case of in the range of pressure, the through swtich closure is controlled.
Further, in addition to：Controller, is connected with the first voltage conversion module, for the described first electricity
Pressure conversion module is controlled；Power module, is respectively connected with the controller and the start and stop detecting module, for institute
Controller is stated to power, wherein, the start and stop detecting module controls the power module in the case where the electric tool starts
Start.
Further, in addition to：Signal imitation module, with the controller, the power module and the control panel point
It is not connected, for being communicated with the control panel to obtain the information of voltage needed for electric tool work.
Further, the controller is additionally operable to detect the information of voltage of battery bag, and in the output electricity of the battery bag
In the case that pressure is in the voltage range needed for electric tool work, the through swtich closure is controlled.
Further, the controller includes：Voltage detection module, the information of voltage for detecting the battery bag；Electricity
Flow detection module, the current information for detecting the battery bag；Temperature detecting module, the temperature for detecting the battery bag
Information；And control module, it is respectively connected with the voltage detection module, current detection module and temperature detecting module.
Further, in addition to：Alarm module, is connected with the controller, for exporting prompt messages.
According to the utility model embodiment, due to detecting electric tool by using start-up circuit and start and stop detecting module
Whether start, wherein, start-up circuit includes second voltage conversion module, and voltage, Ke Yishi are started for being provided to electric tool
For AC electrical instrument or direct current electric power tools so that the applicability of the voltage transformation switching device of the present embodiment is wide.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 be the utility model embodiment 1 in be used for electric tool voltage transformation switching device a specific example
Schematic diagram；
Fig. 2 is that another of voltage transformation switching device for being used for electric tool in the utility model embodiment 1 specifically shows
The schematic diagram of example；
Fig. 3 is the boosting curve synoptic diagram of first voltage conversion module in the utility model embodiment 1；
Fig. 4 is the drawdown curve schematic diagram of first voltage conversion module in the utility model embodiment 1.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
The connection of two element internals is can also be, can be wireless connection or wired connection.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
As long as in addition, technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can just be combined with each other.
Embodiment 1
The present embodiment provides a kind of voltage transformation switching device for electric tool, and the device can cause with a electricity
Chi Bao is used for the electric tool of different voltages (including exchange or direct current) demand.
As shown in figure 1, the voltage transformation switching device 1 includes：First voltage conversion module 11, start-up circuit 12 and start and stop
Detecting module 13.
The input of first voltage conversion module 11 is connected with the connector of battery bag 2, output end and the pole of electric tool 3
Piece is connected, for the voltage conversion that exports battery bag 2 for the voltage needed for electric tool 3 works.
First voltage conversion module 11 can be that (direct current is delivered by DC/DC (DC-DC) modules or DC/AC
Stream) module can be boost module or voltage reduction module.
Start-up circuit 12 includes second voltage conversion module 121, and input is connected with the connector of battery bag 2, output end
It is connected with the pole piece of electric tool 3, voltage is started for being provided to electric tool 3.In the present embodiment, electricity is started by increasing
Road 12, voltage is started for being provided to electric tool 3, specifically by second voltage conversion module 121 by the output voltage of battery bag 2
The startup voltage output of electric tool 3 is converted into, the startup voltage can be used for the control panel for starting electric tool 3.When electronic
During the switch S1 closures of instrument 3, loop is formed between the start-up circuit 12 of battery bag 2 and electric tool 3, electric current is produced.
Start and stop detecting module 13 is connected with the output end of second voltage conversion module 121, for being become according to second voltage
The electric signal for changing the mold the output end of block 121 judges whether electric tool 3 starts, wherein, in the case where electric tool 3 starts,
First voltage conversion module 11 starts and exports the voltage needed for electric tool 3 works.Wherein, electric signal can reflect startup electricity
The change of the output voltage, electric current on road, start and stop detecting module 13 can be according to the signal wire detect start-up circuit 12 voltage,
Curent change, so as to judge the startup of electric tool 3.
When the switch S1 closures of electric tool 3, the output voltage of second voltage conversion module 121；During disconnection, second voltage
Conversion module 121 stops output voltage.Based on the principle, start and stop detecting module 13 is by detecting second voltage conversion module 121
The electric signal of output end may determine that whether the switch of electric tool closes, and that is to say whether electric tool starts.Only in electricity
In the case that power driven tools 3 start, first voltage conversion module 11 starts and exports the voltage needed for electric tool 3 works.If
It is not actuated, or stop, then stop the output of first voltage conversion module 11, to reduce the electric energy of first voltage conversion module 11
Consumption, improves the use duration of battery bag.
According to the utility model embodiment, due to detecting electric tool by using start-up circuit and start and stop detecting module
Whether start, wherein, start-up circuit includes second voltage conversion module, and voltage, Ke Yishi are started for being provided to electric tool
For AC electrical instrument or direct current electric power tools so that the applicability of the voltage transformation switching device of the present embodiment is wide.
As shown in Fig. 2 electric tool 3 includes：Control panel PCB and motor M, control panel PCB start for controlled motor M,
As a kind of preferred embodiment, first voltage conversion module 11 is used to provide the voltage needed for its work to motor M；Second electricity
Conversion module 121 is pressed to be used to provide startup voltage to control panel PCB.
When switching S1 closures, second voltage conversion module is provided to the control panel of electric tool starts voltage, the control
Plate startup work, circuit (controlling switch S3 connections) is connected with motor.After first voltage conversion module starts, to motor
Voltage needed for output services.Preferably, the power of the second voltage conversion module of the present embodiment is less than first voltage change mold changing
The power of block.
As shown in Fig. 2 the start-up circuit 12 of the present embodiment also includes：Diode 122, is connected on second voltage conversion module
121 output end, the unidirectional output for controlling second voltage conversion module 121.
The start-up circuit of the present embodiment includes at least one low power voltage transformation module and a diode；For
Startup voltage is provided for electric tool, and its output voltage meets in the scope needed for electric tool；The voltage transformation module can
To be booster circuit or reduction voltage circuit；Diode is to ensure that the unidirectional output of the low power voltage conversion circuit.
As a kind of optional embodiment, first voltage conversion module 11 is DC/DC modules, and electric tool 3 is direct current
Power driven tools, it is direct-connected by through swtich S2 between the input and output end of DC/DC module homopolarities.In the output electricity of battery bag 2
Pressure worked in electric tool 3 needed for voltage range in the case of, that is to say that the output voltage of battery bag 2 can be directly to
Electric tool 3 is used, without carrying out voltage transformation, therefore, control through swtich S2 closures, by battery bag 2 and electronic work
Tool 3 is directly connected, so that the electric energy of consumption when carrying out voltage transformation by first voltage transform block 11 is reduced, extension battery bag 2
Use duration.
Through swtich S2 can be the electronic switches such as relay, metal-oxide-semiconductor, IGBT, triode, solid-state relay, pass through control
Device 14 processed carries out break-make control.
In the case that the output voltage of battery bag 2 is in outside the voltage range needed for electric tool 3 works, disconnect straight-through
S2 is switched, DC boosting or decompression transformation are carried out by first voltage conversion module 11, make the defeated of first voltage conversion module 11
Go out in the voltage range that voltage is in needed for electric tool 3 works.
As shown in Figures 3 and 4, the voltage range needed for electric tool 3 works is [U0, U1], wherein, Ub is defeated for battery bag
Go out voltage, Uout is the output voltage of first voltage conversion module 11, and Up is default protection voltage.When the output voltage of battery bag
When Ub is less than U0, then first voltage conversion module 11 is controlled to boost it so that the output of first voltage conversion module 11
Voltage Uout is in [U0, U1], as shown in Figure 3；When the output voltage Ub of battery bag is more than U1, then first voltage is controlled to become
Mold changing block 11 is depressured to it so that the output voltage Uout of first voltage conversion module 11 is in [U0, U1], such as Fig. 4
It is shown.
As shown in Fig. 2 the voltage transformation switching device of the present embodiment also includes：Controller 14, becomes with first voltage and changes the mold
Block 11 is connected, for being controlled to first voltage conversion module 11；Power module 15, with controller 14 and start and stop detecting mould
Block 13 is respectively connected with, for being powered to controller 14, wherein, start and stop detecting module 13 is in the case where electric tool 3 starts
Control power module 15 starts.Power module 15 starts backward controller 14 and provides power supply, it is started work.It that is to say in electricity
Before power driven tools 3 start, first voltage conversion module 11, power module 15, controller 14 etc. are in inactive state, so that
Energy consumption is reduced, extends the operating time of battery bag 2.
In the present embodiment, start and stop detecting module 13 is also connected with controller 14, in order to be detectd according to start and stop detecting module 13
The startup situation of the electric tool 3 measured is controlled to first voltage conversion module 11, and first voltage is mainly controlled here
The start and stop of conversion module 11.
Preferably, as shown in Fig. 2 the voltage transformation switching device of the present embodiment also includes：Signal imitation module 16, with control
The control panel PCB of device 14 processed, power module 15 and electric tool 3 is respectively connected with, for being communicated with control panel PCB to obtain
Power taking power driven tools 3 work required information of voltage.
Power module 15 is powered to signal imitation module 16, and signal imitation module 16 can then realize controller 14 and control
Data communication between plate PCB, the information of voltage needed for mainly electric tool 3 is worked is transferred to controller 14, in order to control
Device 14 processed is controlled to the output voltage of voltage transformation switching device.
Preferably, controller 14 is additionally operable to detect the information of voltage of battery bag 2, and is in the output voltage of battery bag 2
Electric tool 3 work needed for voltage range in the case of, control through swtich S2 closure.
The workflow of voltage transformation switching device shown in Fig. 2 is specific as follows：
Closure switch S1, starts electric tool 3, by the start-up circuit 12 in parallel with first voltage conversion module 11 and
Start and stop detecting module 13 detects the startup of electric tool 3, and then start and stop detecting module 13 controls the startup of power module 15；Profit
With the startup of power module 15, provide power supply to controller 14 and signal imitation module 16 and be allowed to start working；Controller 14
After work, by the output voltage information for the battery bag 2 that itself is detected, judge whether to need to start first voltage change mold changing
Block 11；When the output voltage of battery bag 2 is normal, and the output voltage Ub of battery bag 2 predeterminated voltage U0~U1 models in controller 14
(U0 in enclosing<=Ub<=U1), controller 14 then controls the direct circuit switch S2 in parallel with first voltage conversion module 11 to close
Close, the output of battery bag 2 is directly connected with electric tool 3；Electric tool 3 is started working；It is normal in the output voltage of battery bag 2
When, and battery bag 2 output voltage Ub in controller 14 (Ub outside predeterminated voltage U0~U1 scopes>U1 or Ub<U0), controller
14 control first voltage conversion modules 11 start, it is ensured that the voltage obtained by electric tool 3 meets the requirements (U0<=Uout<=
U1).Predeterminated voltage U0~U1 scopes that is to say the electronic work that controller 14 is got from electric tool 3 in above-mentioned middle controller 14
Voltage range needed for the work of tool 3.
In addition, presetting protection voltage Up when the output voltage of battery bag 2 is less than in controller 14, controller then controls S2 to break
Open and first voltage conversion module 11 is not exported, electric tool can not start work.In working condition, if mould is detected in start and stop
Block 13 monitors that electric tool 3 is shut down, and controller 14 then controls S2 to disconnect and first voltage conversion module 11 is not exported, electronic work
Tool 3 is shut down；It is then shut off power module 15, power cut-off.
In the present embodiment, controller 14 can for control unit (MCU), can carry out the voltage of battery bag 2, electric current, temperature
The collection and processing of the information such as degree；And can be to power module 15, first voltage conversion module 11 and signal imitation module 16
It is controlled.Specifically, controller 14 includes：Voltage detection module, the information of voltage for detecting battery bag；Current detecting mould
Block, the current information for detecting battery bag；Temperature detecting module, the temperature information for detecting battery bag；And control mould
Block, is respectively connected with voltage detection module, current detection module and temperature detecting module.
Control module primarily serves control action, control battery bag voltage detecting, current detecting and the circuit with battery bag
Connection, for protecting battery bag 2, be also prevented from battery bag 2 voltage or electric current it is excessive to electric tool 3 cause damage.
In the present embodiment, controller 14 can also be by detecting operating voltage, the operating current of electric tool 3, to judge
Electric tool 3 is in unloaded, middle load, heavy duty, and controls first voltage conversion module voltage output, so as to reach energy-conservation and work
The balance of efficiency.
In the present embodiment, temperature control modules, the temperature control modules and the present embodiment are additionally provided with the battery bag
Voltage transformation switching device controller be connected.
In the utility model embodiment, after controller startup work, the battery that can be transmitted by battery bag connection sheet
Whether package informatin, and the battery bag job information itself detected, detecting battery bag state are normal.Specifically, electric tool
In the course of the work, controller works always, and the battery bag work state information that controller is detected and battery bag are in itself
Information is contrasted, if the information of contrast is within normal range (NR), battery bag is in normal operating conditions；If the letter of contrast
Breath is not within normal range (NR), then to detect battery bag state abnormal for battery bag protection module.Wherein, battery bag packet
Include type, voltage, temperature and the current information of battery bag；The battery bag job information of the battery bag protection module detecting includes
Voltage, electric current and the temperature information of battery bag in the course of the work.
When the controller detects that battery bag state is abnormal, controller targetedly starts in real time according to battery Packet type
Protection, and protection information is converted into the protection information that electric tool can be parsed and received by signal imitation module, start electricity
The defencive function of power driven tools, electric tool in itself is shut down, power cut-off.After the electric tool startup defencive function of itself, electricity
Power driven tools are shut down, and electric tool will not so be caused to damage, be effectively played the effect of protection electric tool.
Preferably, the voltage transformation switching device of the present embodiment, in addition to：Alarm module, is connected with controller, is used for
Export prompt messages.The alarm module includes warning lamp (such as LED) and/or buzzer.When electric tool or battery bag
Working condition is in guard mode, is alarmed by buzzer buzzing and warning lamp turn colors or flicker alarm.
During electric tool is in running order, if start and stop detecting module monitors that electric tool is shut down, controller is utilized
Signal imitation module sends abnormal signal imitation, then controls alarm module to send alarm, is then turned off control loop,
The circuit for cutting off battery bag and electric tool is connected, and closes power module, power cut-off.
Whether the working condition that above-mentioned alarm module is capable of real-time reminding user of service electric tool and battery bag is normal.Its
In, what start and stop detecting module was detected is the start and stop information of electric tool, and controller then mainly monitors the working condition of battery bag, by
Both coordinate detecting electric tools and battery bag, it is possible to determine that the problem of be battery bag or electric tool, can allow user
Alarmed by buzzer buzzing and LED turn colors or flicker warning message judge to be orderly closedown or abnormal stop
Machine.
The voltage transformation switching device of the present embodiment mainly includes shell, instrument connection sheet, battery bag in structure design
Connection sheet and changeover mechanism, wherein, the changeover mechanism is arranged at the enclosure, and the instrument connection sheet is arranged at described
Case top, matches with the pole piece of electric tool, and the battery bag connection sheet is arranged at the housing bottom, with battery bag
Pole piece matches, and one end of the instrument connection sheet is connected through changeover mechanism with the battery bag connection sheet, the shell bottom
It is connected at the top of portion and the battery bag clamping, the electric tool with the cover top portion clamping.
Voltage transformation switching device in the present embodiment can be in its structure design：The voltage transformation switching device bottom
Portion is connected with the top of battery bag, and top is connected with the bottom of electric tool；The voltage transformation switching device includes shell, work
Have connection sheet, battery bag connection sheet and changeover mechanism, wherein, it is above-mentioned described in first voltage conversion module, start-up circuit, open
Stop detecting module, controller, power module, signal imitation module etc. to be arranged in changeover mechanism, the changeover mechanism is set
In the enclosure, the instrument connection sheet is arranged at the case top, matched with the pole piece of electric tool, the electricity
Pond bag connection sheet is arranged at the housing bottom, matches with the pole piece of battery bag, and one end warp of the instrument connection sheet turns
Connection mechanism is connected with the battery bag connection sheet, the outer casing bottom and the battery bag clamping, at the top of the electric tool with
The cover top portion clamping is connected.
In the present embodiment, battery bag two bottom sides are provided with chute, and the two bottom sides of correspondence shell are provided with card, card
Insert in chute, realize that the clamping of shell and battery bag is installed, wherein, during shell and battery bag clamping are installed, electricity
Pond bag connection sheet is matched with the pole piece at the top of battery bag, realizes electrical connection, and the both positive and negative polarity of battery bag and battery bag are detected into signal
It is transmitted in changeover mechanism, is handled using changeover mechanism.Cover top portion is provided with upper hopper chute and instrument connection sheet, electric tool
Bottom is provided with lower card and pole piece, and lower card is inserted in upper hopper chute, realizes the connection of shell and electric tool, while instrument is connected
Piece is matched with the pole piece of electric tool bottom, realizes electrical connection, and the both positive and negative polarity of electric tool and switching on and shutting down signal are transmitted in and turned
In connection mechanism, handled using changeover mechanism.In the present embodiment, shell is used to connect electric tool and battery bag, plays
The effect of being connected, battery bag connection sheet and electric tool connection sheet play connection battery bag and electric tool electric energy and information
Effect, changeover mechanism plays a part of information monitoring and processing.
In the present embodiment, in actual use, the position of instrument connection sheet and battery bag connection sheet, according to different manufacturers
And the battery bag or electric tool of unlike signal are assembled, it is ensured that instrument connection sheet can be electrically connected with the pole piece of electric tool,
Battery bag connection sheet can be electrically connected with the pole piece of battery bag, it is ensured that electric tool is electrically connected through switching device with battery bag.
Based on above description, the utility model embodiment has following advantages compared with prior art：
1st, the setting of switching device, different brands are utilized by the setting of voltage transformation switching device in the utility model
Or the electric tool of model can be used for matching different battery bags, reduce the waste of resource, reduce user into
This；
2nd, the electric tool and battery bag of cage connection distinct interface are utilized in the utility model embodiment, battery bag is utilized
Connection sheet matches the pole piece of respective battery bag, and the pole piece of electric tool is matched using instrument connection sheet, recycles changeover mechanism to rise
To electrical communication and protective effect, the battery bag of electric tool matching different brands or model is realized, with conventional electric tool only
The battery bag that same brand or same model can be matched is compared, same electric tool and different brands or different model battery bag it
Between can be connected and use using switching device, not only reduce the cost of user, while also reducing the waste of resource, be easy to
User manages.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.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 change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (9)
1. a kind of voltage transformation switching device for electric tool, it is characterised in that including：
First voltage conversion module, input is connected with battery bag connector, and output end is connected with the pole piece of electric tool,
For the voltage conversion that exports the battery bag for the voltage needed for the electric tool works；
Start-up circuit, including second voltage conversion module, input are connected with the battery bag connector, output end with it is electronic
The pole piece of instrument is connected, and voltage is started for being provided to the electric tool；
Start and stop detecting module, is connected with the output end of the second voltage conversion module, for being become according to the second voltage
The electric signal for changing the mold the output end of block judges whether the electric tool starts, wherein, situation about starting in the electric tool
Under, the first voltage conversion module starts and exports the voltage needed for the electric tool work.
2. voltage transformation switching device according to claim 1, it is characterised in that the electric tool includes：Control panel
And motor, the control panel be used for control the electric motor starting, wherein,
The first voltage conversion module is used to provide the voltage needed for its work to the motor；
The second voltage conversion module is used to provide the startup voltage to the control panel.
3. voltage transformation switching device according to claim 1 or 2, it is characterised in that the second voltage conversion module
Power be less than the first voltage conversion module power.
4. voltage transformation switching device according to claim 1 or 2, it is characterised in that the start-up circuit also includes：Two
Pole pipe, is connected on the output end of the second voltage conversion module, for controlling the unidirectional defeated of the second voltage conversion module
Go out.
5. voltage transformation switching device according to claim 1, it is characterised in that the first voltage conversion module is
DC/DC modules, it is direct-connected by through swtich between the input and output end of the DC/DC modules homopolarity, in the battery bag
Output voltage be in the voltage range needed for the electric tool works in the case of, control through swtich closure.
6. voltage transformation switching device according to claim 5, it is characterised in that also include：
Controller, is connected with the first voltage conversion module, for being controlled to the first voltage conversion module；
Power module, is respectively connected with the controller and the start and stop detecting module, for being powered to the controller, its
In, the start and stop detecting module controls the power module to start in the case where the electric tool starts.
7. voltage transformation switching device according to claim 6, it is characterised in that
The controller be additionally operable to detect battery bag information of voltage, and the battery bag output voltage be in it is described electronic
In the case of in voltage range needed for tool work, the through swtich closure is controlled.
8. voltage transformation switching device according to claim 7, it is characterised in that the controller includes：
Voltage detection module, the information of voltage for detecting the battery bag；
Current detection module, the current information for detecting the battery bag；
Temperature detecting module, the temperature information for detecting the battery bag；And
Control module, is respectively connected with the voltage detection module, current detection module and temperature detecting module.
9. voltage transformation switching device according to claim 7, it is characterised in that also include：
Alarm module, is connected with the controller, for exporting prompt messages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179956.3U CN206373858U (en) | 2016-11-03 | 2016-11-03 | A kind of voltage transformation switching device for electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179956.3U CN206373858U (en) | 2016-11-03 | 2016-11-03 | A kind of voltage transformation switching device for electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206373858U true CN206373858U (en) | 2017-08-04 |
Family
ID=59402938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621179956.3U Active CN206373858U (en) | 2016-11-03 | 2016-11-03 | A kind of voltage transformation switching device for electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206373858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514569A (en) * | 2016-11-03 | 2017-03-22 | 苏州市纽莱克电子科技有限公司 | Voltage conversion adapting device used for electric tool and voltage conversion method of voltage conversion adapting device |
| WO2020019687A1 (en) * | 2018-07-27 | 2020-01-30 | 南京德朔实业有限公司 | Adapter and portable power supply |
-
2016
- 2016-11-03 CN CN201621179956.3U patent/CN206373858U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514569A (en) * | 2016-11-03 | 2017-03-22 | 苏州市纽莱克电子科技有限公司 | Voltage conversion adapting device used for electric tool and voltage conversion method of voltage conversion adapting device |
| CN106514569B (en) * | 2016-11-03 | 2018-08-14 | 苏州市纽莱克电子科技有限公司 | A kind of voltage transformation switching device and its voltage transformation method for electric tool |
| WO2020019687A1 (en) * | 2018-07-27 | 2020-01-30 | 南京德朔实业有限公司 | Adapter and portable power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202679047U (en) | Automatic power-off protective charger | |
| CN203326656U (en) | Innovation type vehicle-mounted multi-functional intelligent back-up power supply | |
| CN202712622U (en) | Intelligent energy-saving socket | |
| CN203707852U (en) | Electric vehicle-mounted charging machine device integrated DCDC module | |
| CN201956730U (en) | Portable alternating current power supply externally connected with storage battery | |
| CN204721085U (en) | A kind of off-line UPS power-supply management system | |
| CN209592272U (en) | A kind of aluminium-air cell management system based on PLC | |
| CN206373858U (en) | A kind of voltage transformation switching device for electric tool | |
| CN203617729U (en) | Modularization emergency power supply unit | |
| CN104253451A (en) | Innovative vehicle-mounted multifunctional intelligent backup power supply | |
| CN106514569B (en) | A kind of voltage transformation switching device and its voltage transformation method for electric tool | |
| CN202334434U (en) | High-performance vector frequency converter | |
| CN102412758B (en) | Portable solar power supply system | |
| CN206401966U (en) | Intelligent accumulator charger | |
| CN207150246U (en) | A kind of ups power device | |
| CN203707839U (en) | Intelligent vehicle power supply rescue device | |
| CN209489927U (en) | A kind of portable food processing machine | |
| CN204992749U (en) | Electric quantity real -time monitoring system of adapter | |
| CN206250797U (en) | Intelligent charging protector | |
| CN202916635U (en) | Stand-by pump controller | |
| CN109494866A (en) | A kind of power-supply management system | |
| CN204425008U (en) | A kind of interchangeable electric-type charging pile | |
| CN209134120U (en) | Integrated capacitor charging module | |
| CN207892861U (en) | Novel DC air blower | |
| CN202178611U (en) | Power supply system of three-stage safety communication base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |