CN203243081U - Electrical equipment - Google Patents
Electrical equipment Download PDFInfo
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- CN203243081U CN203243081U CN2013202165974U CN201320216597U CN203243081U CN 203243081 U CN203243081 U CN 203243081U CN 2013202165974 U CN2013202165974 U CN 2013202165974U CN 201320216597 U CN201320216597 U CN 201320216597U CN 203243081 U CN203243081 U CN 203243081U
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- battery
- temperature
- electric equipment
- charging
- control circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model relates to receive power supply from the battery pack of built-in battery the electrical equipment that is acted, in the electrical equipment, even if also can suitably carry out the charge control to battery in the case where not detecting signal from the temperature sensor output in battery pack is normal. In the interior setting unit temperature detection of battery pack (20) with thermistor (28), on the control circuit substrate (30) of electronic equipment substrate temperature is set detects and use thermistor (58). If the charge condition for battery (26) is set up, then control circuit (40) successively reads in the cell temperature (TM1) and substrate temperature (TM2) detected using these each thermistors, judges whether each temperature is in the 1st temperature range and the 2nd temperature range that can be charged the battery. Moreover, being judged as that battery can charge when each temperature is in each temperature range, allowing to charge the battery, otherwise, forbid charging the battery.
Description
Technical field
The utility model relates to from the battery pack of the built-in battery that can discharge and recharge accepts the electric equipment that power supply is supplied with to move.
Background technology
In the past, as accept the electric equipment that power supply is supplied with to move from battery, known have constitute when the action of this electric equipment stops, if supply with DC power supply from the charger of outside, then carry out the electric sweeping device (for example with reference to patent documentation 1) to the battery charging.
In the electric sweeping device that this patent documentation 1 is put down in writing, the temperature testing organization that possesses the temperature that detects battery, if supply with DC power supply from charger, then judging and utilize whether the detected battery temperature of temperature testing organization is below the set upper limit temperature, is that ceiling temperature allows battery is charged when following at battery temperature.
In other words, in the electric sweeping device that patent documentation 1 is put down in writing, when battery is charged, if the temperature of battery surpasses temperature to a certain degree, the worry of the then lifetime of battery, or existence generation leakage equivalent damage, as the condition that allows battery is charged, set battery temperature.
Patent documentation 1: TOHKEMY 2002-199610 communique
Yet the temperature testing organization that detects battery is accommodated in the plastic housing by one with battery as battery pack usually, is configured to respect to electric equipments such as electric sweeping devices, can change.
Therefore, in this electric equipment, the controlling organization that control (permission) is charged to battery constitutes from the temperature testing organization that is arranged in the battery pack and obtains detection signal, thereby detects battery temperature, carries out charging control.
On the other hand, in this electric equipment, owing to can change battery pack, when it is changed, consider the not situation of the battery pack of built-in temperature testing agency of being replaced by.In addition, even if in battery pack, be built-in with temperature testing organization, also consider the situation that temperature testing organization breaks down.
In this situation, can not input the detection signal (generally be voltage) corresponding with battery temperature to controlling organization, if but be in the scope that allows battery is charged to the input signal that controlling organization is inputted, then controlling organization allows battery is charged.
And like this, there are the following problems, and even not under the state of the temperature testing organization input detection signal corresponding with battery temperature, controlling organization allows battery is charged, and carries out the charging to battery, then causes the deterioration of battery, and fail safe reduces.
The utility model content
The utility model is finished in view of such problem, purpose is accept the electric equipment that power supply supplies with to move from the battery pack of the built-in battery that can discharge and recharge, even if export in the situation of normal detection signal at the temperature sensor in the battery pack not, also can suitably carry out the charging control to battery.
The electric equipment that the technical scheme 1 of finishing in order to realize described purpose is put down in writing possesses the device temperature testing agency of the temperature that detects this electric equipment, the charging controlling organization is based on utilizing this detected device temperature of device temperature testing agency, and control is to the charging of the battery in the battery pack.
Therefore, according to electric equipment of the present utility model, even if in the situation of the temperature testing organization fault in being arranged at battery pack, or in battery pack, do not have in the situation of set temperature testing agency, also can hold battery temperature according to the temperature of this electric equipment, carry out well the charging control to battery.
In addition, the charging controlling organization also can constitute as technical scheme 2 is put down in writing, when utilizing the detected device temperature of device temperature testing agency to be in the set point of temperature scope, permission is charged to battery,, forbid battery is charged not in the situation in the set point of temperature scope at device temperature.
In addition, be provided with in battery pack in the situation of battery temperature testing agency, the charging controlling organization moves as technical scheme 3 is put down in writing and gets final product.
Namely, in the electric equipment that technical scheme 3 is put down in writing, the charging controlling organization obtains battery temperature from battery temperature testing agency, at its battery temperature that reads in when utilizing the detected device temperature of device temperature testing agency to be in respectively in the set point of temperature scope, allows battery is charged.
Therefore, the electric equipment of putting down in writing according to technical scheme 3 can two important places checks the temperature of battery, can carry out more safely the charging control based on the charging controlling organization.
On the other hand, device temperature testing agency is arranged on the control circuit substrate of electric equipment with the charging controlling organization and gets final product as technical scheme 4 is put down in writing.
In other words, if like this, then can form with the wiring pattern of control circuit substrate the input path of the detection signal from device temperature testing agency to the charging controlling organization, need not to arrange the holding wire of detection signal input usefulness and in electric equipment, connect up, so can reduce the component parts of electric equipment.
In addition, like this, device temperature testing agency is arranged in the situation of control circuit substrate of electric equipment, as technical scheme 5 is put down in writing, utilizes paster thermistor constitution equipment temperature testing organization to get final product.
In other words, the paster thermistor is cheap, in addition, can be mounted to the control circuit substrate with other chip parts simply, so can reduce the cost of control circuit substrate, and then can reduce the cost of the control system (so-called controller) of electric equipment.
In addition, if the battery in battery pack is accepted the electric equipment that power supply is supplied with to move, then also can use the utility model.
And, for example, as technical scheme 6 is put down in writing, electric equipment possesses: air-supply with fan, make fan rotation motor, accept power supply from battery and supply with to drive the driving controlling organization of controlling motor, if suck the sweeper of extraneous air by the rotation of fan, then in this sweeper, can carry out well the charging to the battery in the battery pack.
Description of drawings
Fig. 1 is the stereogram of outward appearance of the handy cleaners of expression execution mode.
Fig. 2 is the cutaway view that the inside of expression handy cleaners consists of.
Fig. 3 is the block diagram of the formation of expression battery pack and control circuit substrate.
Fig. 4 is the flow chart that expression utilizes the temperature inspection of control circuit execution to process.
The reference numeral explanation
2 ... handy cleaners, 3 ... housing, 4 ... air entry; 5 ... the filter incorporating section, 6 ... exhaust outlet, 8 ... handle part; 9 ... lid, 10 ... electronic switch, 11 ... driving switch; 12 ... shutdown switch, 15 ... the air-breathing fan of using, 16 ... motor; 18 ... DC socket, 20 ... battery pack, 21～23 ... the unit; 26 ... battery, 28 ... cell temperature detects and uses thermistor, 30 ... the control circuit substrate; 40 ... control circuit, 42 ... the cell voltage test section, 44 ... burn out detection section; 46 ... protective circuit, 50 ... pressurizer, 52; 54 ... diode; 56 ... resistance; 58 ... substrate temperature detects and uses thermistor, 60 ... the AC adapter, 62 ... DC plug; 32 ... control of discharge FET; 34 ... charging control is used FET, 36 ... charge protection FET, 14 ... LED.
Embodiment
Below, with accompanying drawing execution mode of the present utility model is described.
Present embodiment is the mode that the utility model is applied to accept from battery the rechargeable handy cleaners 2 that power supply supplies with to move.
As shown in Figure 1, the handy cleaners 2 of present embodiment possesses the air entry 4 that sucks extraneous air at the fore-end of the housing 3 that forms tubular, sidewall at housing 3 possesses the exhaust outlet 6 that discharges except the air of dust, possesses the handle part 8 of handing for the user in the rear end side of housing 3.
In addition, the mode that can operate under being in one's hands the state of handle part 8 with the user in the upper part of handle part 8 is provided with electronic switch 10, is provided with battery 26(with reference to Fig. 3 in the place ahead of electronic switch 10) LED14 that lights when charging.
In addition, possess 2 console switchs at electronic switch 10, they become on-state when user's operation (pressing), become off-state when the user does not operate.And, a side console switch is set as the driving switch 11 that drives instruction for input, the opposing party's console switch is set as shutdown switch 12 for the input halt instruction.
Next, as shown in Figure 2, in the housing 3 of handy cleaners 2, be provided with air-breathing with fan 15, motor 16, battery pack 20 and control circuit substrate 30.
Air-breathingly be used for extraneous air is sucked in the housing 3 from air entry 4 with fan 15, and discharge from exhaust outlet 6, be configured to across the filter incorporating section 5 of taking in filter, with air entry 4 opposed locations, filter is used for removing dust from the extraneous air that sucks.
In addition, motor 16 is d.c. motors, is configured in an air-breathing side opposite with air entry 4 with fan 15.And, the rotating shaft of motor 16 link have air-breathing with fan 15.Therefore, motor 16 can make by the rotation of self air-breathing with fan 15 rotations, and extraneous air is sucked in the housing 3.
Next, as shown in Figure 3, the cell temperature of the temperature by will being connected in series a plurality of (being in the drawings three) lithium ionic cell unit (the following unit that only claims) 21,22,23 batteries that consist of 26 that can discharge and recharge and detecting unit 21～23 detects to be accommodated in thermistor 28 and consists of battery pack 20 in the plastic battery container.
And this battery pack 20 is incorporated in the below rear end side of the housing 3 of handy cleaners 2.In other words, in handy cleaners 2, be provided with lid 9 at the end portion of handle part 8, by taking off this lid 9, in the mode of disassembled and assembled freely battery pack 20 be accommodated in the housing 3 (with reference to Fig. 1, Fig. 2).
Next, control circuit substrate 30 is configured in the housing 3, and above motor 16, and near electronic switch 10 and LED14 position (with reference to Fig. 2).
And, be assembled with various electronic units at control circuit substrate 30, these various electronic units are used for accepting electric power from AC adapter 60 to be supplied with and battery 26 is charged, and accepts power supply from battery 26 and supply with, to motor 16 discharge (driving that in other words is motor 16).
In addition, AC adapter 60 is accepted power supply from AC power and is supplied with, and generates the direct voltage of battery 26 charging usefulness, supplies with constant charging current via control circuit substrate 30, is independent of handy cleaners 2 and consists of.
Therefore, side wall upper part at housing 3, and the position is provided with DC socket 18 near LED14, it is not shown that this DC socket 18 is used for inserting the DC plug 62(of the front end that is arranged at the mains cord of drawing from AC adapter 60), be used for supplying with direct voltages (with reference to Fig. 1, Fig. 2) from AC adapter 60.
Next, the circuit formation of control circuit substrate 30 described.
As shown in Figure 3, be formed be used to making electric current flow to the discharge path of the negative side of battery 26 via motor 16 from the side of the positive electrode of battery 26 at control circuit substrate 30.
And, be provided with the control of discharge FET32 that the discharging current (in other words being the drive current of motor 16) that flows to motor 16 from battery 26 is controlled in the negative side of the motor 16 of this discharge path.
In addition, be formed with the side of the positive electrode terminal (+) that makes AC adapter 60 at control circuit substrate 30 and be connected with the side of the positive electrode of battery 26, the charge path that the negative side terminal (-) of AC adapter 60 is connected with the negative side of battery 26.
And, in this charge path, be provided with charging control with FET34 and be used at the charge protection FET36 that protects battery 26 aspect the overcurrent at the charge path from the side of the positive electrode terminal (+) of AC adapter 60 to the side of the positive electrode of battery 26.
Control of discharge respectively is the switch element of conducting/cut-out discharge path or charge path with FET34 and charge protection with FET36 with FET32, charging control, and the control circuit 40 that discharging and recharging of battery 26 controlled drives.
In other words, control circuit 40 bases are from user's any one driving instruction via high/low (Hi/Lo shown in the figure) of driving switch 11 inputs, generate the pwm signal (pulse width modulating signal) of regulation duty ratio, and export control of discharge FET32 to.
Its result, the current direction motor 16 corresponding with driving instruction, motor 16 is with the speed rotation corresponding with this electric current.
In addition, when the user operates driving switch 11, alternately switched to high-speed driving instruction (height), driven at low speed instruction (low) from the driving instruction of driving switch 11.
In addition, if from the user via shutdown switch 12 input halt instructions, then to make control of discharge FET32 be off-state to control circuit 40, stops the driving of motor 16.
In addition; when control circuit 40 stops in the driving of motor 16; connect AC adapter 60; be lower than in the situation of threshold voltage that charging begins to judge usefulness at the output voltage from battery 26; make charging control switch to on-state with FET36 from off-state with FET34 and charge protection, thereby begin the charging to battery 26.
In addition; the charging of battery 26 control continued to battery 26 become the state that is full of electricity based on control circuit 40; if battery 26 becomes the state that is full of electricity, the control of then will charging switches to off-state with FET34 and charge protection with FET36, finishes the charging to battery 26.
And; control circuit 40 is when carrying out such charge and discharge control; except monitoring the output voltage from battery 26; also monitor the output voltage of each unit 21～23 that consists of battery 26, the temperature of battery 26; when they are unusual; making charge protection is off-state with FET36, control of discharge FET32, stops discharging and recharging battery 26.
Therefore, be provided with the cell voltage test section 42 of the output voltage of each unit 21～23 that detects battery 26, the detection signal of the voltage of 40 each unit 21～23 of input expression from cell voltage test section 42 to control circuit at control circuit substrate 30.
In addition; on control circuit substrate 30, also be provided with protective circuit 46; this protective circuit 46 is obtained the voltage from each unit 21～23 of battery 26; when this voltage reaches the high threshold value of overvoltage decision content than based on the charging of control circuit 40 time (in other words; when normally not playing a role based on the overvoltage protection of control circuit 40), charging control is disconnected forcibly with FET34.
In addition, on control circuit substrate 30, also be provided with burn out detection section 44, it is the regulation current potential that this burn out detection section 44 makes the coupling part of each unit 21～23 in the battery 26, thereby detects broken string in the battery 26 according to range site voltage detection department 42 detected cell voltage.
And if utilize this burn out detection section 44 to detect broken string in the battery 26, then control circuit 40 is forbidden discharging and recharging of battery 26.
In addition, be provided with pressurizer 50 at control circuit substrate 30, this pressurizer 50 is used for being arranged to control circuit 40 grades above-mentioned each circuit supply line voltage (dc constant voltage) of control circuit substrate 30.
This pressurizer 50 can be supplied with direct voltage from the both sides of battery 26 and AC adapter 60 via 2 diodes 52,54, use from the direct voltage of its any one supply and generate dc constant voltage, as power supply voltage supplying to above-mentioned each circuit.
And control circuit 40 is supplied with accepting power supply from this pressurizer 50, when carrying out the charging control for battery 26, LED14 is lighted, and reports this meaning to the user.
Next, will detect with the detection signal of thermistor 28 with from the substrate temperature that is arranged at control circuit substrate 30 and detect with the detection signal of thermistor 58 for the temperature monitoring based on the battery 26 of control circuit 40 from being arranged at cell temperatures in the battery pack 20.
Even if this be because these two kinds of thermistors 28,58 any one produce fault, when battery 26 is charged, also can be based on from this side's thermistor 28,58 detection signal, detect the situation that breaks away from the temperature range that battery 26 can charge.
In other words, the battery 26 of present embodiment is lithium ion battery, so if be to charge below 0 ℃ the time in the temperature of battery 26 for example, then exist from the positive pole lithium ion that dissociates and be difficult to be absorbed by negative pole the problem that the lithium metal is easily separated out.
Therefore, in the present embodiment, when battery 26 is charged, carry out temperature inspection shown in Figure 4 by control circuit 40 and process, use above-mentioned 2 thermistors 28,58, monitor whether battery 26 is in the temperature range that can charge normal.
In addition, substrate temperature detects and is made of the paster thermistor with thermistor 58, is installed on the control circuit substrate 30 with other chip parts.
In addition, in the present embodiment, in order to obtain to control circuit 40 from these two thermistors 28,58 detection signal, utilize analog port and the two-digit port that is arranged at control circuit 40.
This is few because consist of the quantity of analog port of microcomputer of control circuit 40, only have 1 can be to carrying out the analog port that A/D changes to obtain based on thermistor 28,58 temperature detection signal (analog signal).
In other words, thermistor 28, the 58th, if resistance value Yin Wendu and changing as shown in Figure 3 via resistance 56 current flowings, then can carry out according to its both end voltage the passive sensor of temperature detection.
Therefore, in the present embodiment, make cell temperature detect an end that detects with thermistor 58 with thermistor 28 and substrate temperature and be connected with an analog port of control circuit 40, via resistance 56, will be applied to this coupling part from the supply voltage Vc that pressurizer 50 is supplied with.
In addition, cell temperature detects with thermistor 28 and substrate temperature detection and uses the other end of thermistor 58 to be connected with 2 digital ports of control circuit 40 respectively.
And, at control circuit 40 during via these each thermistors 28,58 detected temperatures, low side switch SW1 or SW2 by making the digital port that has connected the thermistor 28 that becomes detected object or 58 are on-state, can make the thermistor 28 that becomes detected object or 58 other end ground connection.
Its result, control circuit 40 uses the cell temperature that is arranged in the battery pack 20 to detect with thermistor 28 and the substrate temperature that is arranged at control circuit substrate 30 and detects with thermistor 58 these 2 thermistors, can monitor the temperature of battery 26.
Next, the temperature inspection processing that utilizes control circuit 40 to carry out is described.
This processing is the processing of carrying out under following situation, and namely, connect AC adapter 60 when the driving of motor 16 stops, when setting up for the charge condition of battery 26, beginning in control circuit 40 is then until finish the charging of battery 26.
As shown in Figure 4, in the temperature inspection is processed, at first represent step at S110(S), making low side switch SW1 is on-state, making low side switch SW2 is off-state, thereby cell temperature is detected with thermistor 28 actions, read in range site temperature detection thermistor 28 detected cell temperature TM1.
And, in ensuing S120, judge whether the cell temperature TM1 that reads in is in predefined the 1st temperature range (for example 0 ℃～50 ℃), if cell temperature TM1 is not in the 1st temperature range in S110, then be transferred to S130, forbid the charging to battery 26.
On the other hand, be in the 1st temperature range if in S120, be judged as cell temperature TM1, then be transferred to S140.
Then, in S140, making low side switch SW1 is off-state, and making low side switch SW2 is on-state, thereby substrate temperature is detected with thermistor 58 actions, reads in and utilizes substrate temperature to detect with thermistor 58 detected substrate temperature TM2.
Next, judge in S150 whether the substrate temperature TM2 that reads in is in predefined the 2nd temperature range (for example 0 ℃～80 ℃), if substrate temperature TM2 is not in the 2nd temperature range, then is transferred to S130, forbids the charging to battery 26 in S140.
In addition, be in the 2nd temperature range if in S150, be judged as substrate temperature TM2, then be judged as battery 26 and be in the temperature range that can charge normal, be transferred to S160, allow the charging to battery 26.
In addition, in S160, allow battery 26 is charged, or after forbidding battery 26 charged in S130, control circuit 40 is transferred to S110 again, processes thereby carry out this temperature inspection.
In addition, if allow charging to battery 26 in S160, then to make charging control be on-state with FET34 and charge protection FET36 to control circuit 40, begin or continuation to the charging of battery 26.
As described above, in the handy cleaners 2 of present embodiment, if the charge condition for battery 26 is set up, then control circuit 40 reads in successively the range site temperature detection with thermistor 28 detected cell temperature TM1 and utilizes substrate temperature to detect with thermistor 58 detected substrate temperature TM2.
And, control circuit 40 judges whether these each temperature T M1, TM2 are in the 1st temperature range and the 2nd temperature range that can charge to battery 26, when each temperature T M1, TM2 are in each temperature range, being judged as battery 26 is in the temperature range that can charge, permission is charged to battery 26, otherwise, forbid battery 26 is charged.
Therefore, according to the handy cleaners 2 of present embodiment, for example can prevent that the cell temperature in battery pack 20 from detecting in the situation about breaking down with thermistor 28, be judged as cell temperature for normally allowing battery 26 is charged.Thereby, according to present embodiment, can carry out well battery 26 is charged and battery 26 is worsened.
In addition, in the present embodiment, the thermistor of being not only simply for the temperature that monitors battery 26 is set to 2 systems, also a side thermistor is detected as cell temperature and be arranged in the battery pack 20 with thermistor 28, detection is arranged on the control circuit substrate 30 with thermistor 58 as substrate temperature with the opposing party's thermistor.
Therefore, for example can prevent as battery pack 20, be to have installed not in the situation of built-in unit temperature detection with the battery pack of thermistor 28, mistake is judged as to detect from cell temperature has inputted normal detection signal with thermistor 28, begins battery 26 is charged.
In addition, in the present embodiment, connect connecting line that battery pack 20 is connected with the control circuit substrate and be the power line that is connected with positive pole and the negative pole of battery 26 and detect 4 of holding wire that the two ends with thermistor 28 are connected with cell temperature, need not to draw holding wire from the substrate temperature detection with thermistor 58.
Therefore, according to the handy cleaners 2 of present embodiment, by being made as 2 systems for the thermistor of the temperature that monitors battery 26, can prevent that the wiring in the handy cleaners 2 from complicating, the man-hour in the time of can reducing the handy cleaners manufacturing.
In addition, like this, according to the handy cleaners 2 of present embodiment, the man-hour in the time of can reducing the handy cleaners manufacturing, and the substrate temperature that the paster thermistor can be used for being arranged on the control circuit substrate 30 detects with thermistor 58, so can reduce the manufacturing cost of handy cleaners 2.
In addition, in the present embodiment, cell temperature detects with thermistor 28 suitable with battery temperature of the present utility model testing agency, substrate temperature detects with thermistor 58 suitable with device temperature of the present utility model testing agency, and control circuit 40 is suitable with charging controlling organization of the present utility model.
More than, an execution mode of the present utility model is illustrated, but the utility model is not limited to above-mentioned execution mode, in the scope that does not break away from purport of the present utility model, can take various modes.
For example, in the above-described embodiment, the situation that the utility model is applied to rechargeable handy cleaners 2 is illustrated, if but in the mode that can change battery pack is installed, and the battery in battery pack is accepted the electric equipment that power supply is supplied with to move, then can use in the same manner the utility model with above-mentioned execution mode, can access identical effect.
In addition, in the above-described embodiment, be illustrated with the situation that thermistor 58 these two kinds of thermistors are used for the temperature of supervision battery 26 cell temperature being detected with thermistor 28 and substrate temperature detection, but as these temperature testing organizations, be not limited to thermistor, if the element that temperature sensor that is made of thermocouple etc. can detected temperatures then can utilize.
In addition, shown in above-mentioned execution mode, the temperature testing organization that is used for the temperature of supervision battery 26 can be two kinds that are built in housing battery pack 20 and that be arranged on handy cleaners 2, but also can increase again.
Claims (6)
1. electric equipment, it is to accept the electric equipment that power supply is supplied with to move from the battery pack that is built-in with the battery that can discharge and recharge, this electric equipment is characterised in that to possess:
Device temperature testing agency, it detects the temperature of this electric equipment;
The charging controlling organization, it is based on utilizing the detected device temperature of described device temperature testing agency, and control is to the charging of the battery in the described battery pack.
2. electric equipment according to claim 1 is characterized in that,
Described charging controlling organization allows the charging to described battery in described device temperature is in the set point of temperature scope time.
3. electric equipment according to claim 2 is characterized in that,
Described charging controlling organization obtains battery temperature from the battery temperature testing agency that is arranged in the described battery pack, when this battery temperature and described device temperature are in respectively in the set point of temperature scope, allows the charging to described battery.
4. the described electric equipment of any one is characterized in that according to claim 1～3,
Described device temperature testing agency is arranged at the control circuit substrate of this electric equipment with described charging controlling organization.
5. electric equipment according to claim 4 is characterized in that,
Described device temperature testing agency is made of the paster thermistor.
6. the described electric equipment of any one is characterized in that according to claim 1～5,
This electric equipment possess air-supply with fan, make the rotation of described fan motor, accept power supply from described battery and supply with to drive the driving controlling organization of controlling described motor,
This electric equipment is the sweeper that sucks extraneous air by the rotation of described fan.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012104872A JP5961440B2 (en) | 2012-05-01 | 2012-05-01 | Electrical equipment |
| JP2012-104872 | 2012-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203243081U true CN203243081U (en) | 2013-10-16 |
Family
ID=49320339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202165974U Expired - Lifetime CN203243081U (en) | 2012-05-01 | 2013-04-25 | Electrical equipment |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5961440B2 (en) |
| CN (1) | CN203243081U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6422401B2 (en) * | 2015-06-08 | 2018-11-14 | 株式会社マキタ | Charger |
| JP6738700B2 (en) * | 2016-09-14 | 2020-08-12 | 株式会社デンソーテン | Drive circuit, control device, and drive circuit protection method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05111167A (en) * | 1991-10-17 | 1993-04-30 | Hitachi Ltd | Rechargeable cleaner |
| JP3936286B2 (en) * | 2002-12-24 | 2007-06-27 | 株式会社マキタ | Charging apparatus and charging method |
| JP2007006628A (en) * | 2005-06-24 | 2007-01-11 | Matsushita Electric Works Ltd | Battery charger and electric power tool set therewith |
| JP5131189B2 (en) * | 2006-03-24 | 2013-01-30 | 日本電気株式会社 | Charging system, charging control program and portable terminal |
| JP2008204811A (en) * | 2007-02-20 | 2008-09-04 | Mitsumi Electric Co Ltd | Semiconductor device |
| US8541984B2 (en) * | 2008-01-28 | 2013-09-24 | Mediatek Inc. | Charging systems capable of determining the kind of coupled device and related methods thereof |
| JP5487639B2 (en) * | 2009-02-18 | 2014-05-07 | 株式会社ニコン | Charge control device and camera |
| JP2010207044A (en) * | 2009-03-05 | 2010-09-16 | Sony Corp | Charging device |
-
2012
- 2012-05-01 JP JP2012104872A patent/JP5961440B2/en active Active
-
2013
- 2013-04-25 CN CN2013202165974U patent/CN203243081U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP5961440B2 (en) | 2016-08-02 |
| JP2013233058A (en) | 2013-11-14 |
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