CN209595654U - Intelligent sweeping robot charger - Google Patents
Intelligent sweeping robot charger Download PDFInfo
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- CN209595654U CN209595654U CN201822089709.XU CN201822089709U CN209595654U CN 209595654 U CN209595654 U CN 209595654U CN 201822089709 U CN201822089709 U CN 201822089709U CN 209595654 U CN209595654 U CN 209595654U
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Abstract
The utility model discloses a kind of intelligent sweeping robot charger, it includes sequentially connected AC input unit, EMI unit, rectification unit, transformer, 5V DC voltage rectification output unit and charging voltage output unit, output port and PWM control unit, may also include has the voltage for detecting the charging voltage output unit and feeds back the voltage signal in PWM control unit and by the output voltage feedback loop of PWM control unit adjustment output pulse width, which connects PWM control unit；May also include has constant current feedback loop, which connects the PWM control unit and output voltage feedback loop.The utility model energy constant-current charge, due to charging current be it is constant, charging rate is fast；When battery is full of fastly, constant voltage mode charging is converted to, charging current can be smaller and smaller, until battery is completely filled with, the combination of this two kinds of charge modes improves charging rate i.e. efficiency, is conducive to extend the service life of battery.
Description
Technical field:
The utility model relates to electron electric power technical fields, refer in particular to a kind of intelligent sweeping robot charger.
Background technique:
With the development of urban-rural integration, people's lives level is significantly enhanced, a degree of to change people
Consumption idea.The younger generation is busy with work and has no time to attend to housework, to solve this problem, intelligent sweeping robot meet the tendency of and
Raw, intelligent sweeping robot wins the trust of consumer with its powerful function.Intelligent sweeping robot has become current big
The preferred cleaning electrical appliance of part young families, it is mainly reflected in better than the place of standard vacuum: it is time saving, laborsaving, entirely
It is not required to very important person's control during cleaning, mitigates operating burden；Dust purification rate is up to 96%, and cleaning efficiency is close to 100%；It is light
It is small and exquisite: easily sweep standard vacuum cleaning less than dead angle.In short, sweeping robot product market prospects are boundless.
As long as electronic product requires power supply and provides it with energy, intelligent sweeping robot is no exception.Intelligent floor-sweeping
The nickel-metal hydride battery of robot built-in can provide work in several hours for it, when the not enough power supply of nickel-metal hydride battery is to maintain intelligence
When sweeping robot works, it is necessary to there is corresponding charger to charge for it, to guarantee that intelligent sweeping robot works normally.
Charger is then the charging core of robot power supply system.
Currently used for being still unable to constant-current charge and constant-voltage charge to the charger that intelligent sweeping robot charges, lead
It causes the nickel-metal hydride battery in intelligent sweeping robot that cannot be rapidly charged, can not be completely filled in, be unfavorable for improving charging
Speed and efficiency are also unfavorable for extending the service life of battery.
In view of this, the present inventor proposes following technical scheme.
Utility model content:
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of intelligent sweeping robot charger.
In order to solve the above-mentioned technical problem, the utility model uses following technical proposals: the intelligent sweeping robot is filled
Electric appliance includes: sequentially connected AC input unit, EMI unit, rectification unit, transformer, 5V DC voltage rectification output unit
With charging voltage output unit, output port and PWM control unit, which connects transformer, and feature exists
May also include in: the intelligent sweeping robot charger has voltage for detecting the charging voltage output unit and by the voltage
For signal feedback in PWM control unit and by the output voltage feedback loop of PWM control unit adjustment output pulse width, this is defeated
Voltage feedback loop connects the PWM control unit out, which, which may also include, has constant current to feed back to
Road, the constant current feedback loop connect the PWM control unit and output voltage feedback loop.
Furthermore, in above-mentioned technical proposal, the output voltage feedback loop include controllable accurate source of stable pressure U3,
The sample resistance R34 and sample resistance R42 that are connect with charging voltage output unit and with controllable accurate source of stable pressure U3
The optocoupler U2, sample resistance R34 and sample resistance R42 of two feet connection connect with the first foot of controllable accurate source of stable pressure U3
It connects, optocoupler U2 is connect with the pwm chip of PWM control unit.
Furthermore, in above-mentioned technical proposal, the constant current feedback loop includes triode Q3, is connected in parallel in this
Resistance R12, resistance R20 and the diode D15 of the pole E of triode Q3 and the optocoupler U2 being connect with resistance R12, optocoupler U2 with
The pwm chip of PWM control unit connects, and the pole C of triode Q3 connects the charging voltage output unit, the resistance
One end of R12, resistance R20 and diode D15 are grounded, and the other end connects the cathode of output port.
Furthermore, in above-mentioned technical proposal, fuse F1 is provided between the AC input unit and EMI unit.
Furthermore, in above-mentioned technical proposal, the EMI unit include inductance coil L1 and be connected in parallel in
The resistance R1A and resistance R1B and capacitor CX1 of inductance coil L1 input terminal, the capacitor CX1 connection AC input unit,
Inductance coil L1 output end connects rectification unit.
Furthermore, in above-mentioned technical proposal, the rectification unit is rectifier bridge stack, which also passes through two
Pole pipe D17 connects the pwm chip of the PWM control unit.
Furthermore, in above-mentioned technical proposal, the PWM control unit include pwm chip and with the PWM
The metal-oxide-semiconductor Q1 of chip connection is controlled, the output pin of the pwm chip is connected after the pole the G connection resistance R36 of metal-oxide-semiconductor Q1, it should
It is grounded after the pole the S connection resistance R38 of metal-oxide-semiconductor Q1, the pole D of metal-oxide-semiconductor Q1 connects the transformer.
Furthermore, in above-mentioned technical proposal, the model NCP1200P60 of the pwm chip.
Furthermore, in above-mentioned technical proposal, the 5V DC voltage rectification output unit includes and the transformation
Rectifier diode D11, resistance R21 and the voltage stabilizing chip U5 of device connection.
Furthermore, in above-mentioned technical proposal, the charging voltage output unit includes to connect with the transformer
Rectifier diode D10, be parallel to the resistance R23 and capacitor C13 and and rectifier diode at the both ends rectifier diode D10
The inductance coil L2 of the cathode connection of D10, the inductance coil L2 connection output port, the cathode of rectifier diode D10
It is grounded after connection capacitor C10, the cathode of rectifier diode D10 is also connected with the output voltage feedback loop and constant current is fed back to
Road.
After adopting the above technical scheme, the utility model have the following beneficial effects: compared with prior art it is practical
Novel to have additional output voltage feedback loop, which is used to detect the voltage of the charging voltage output unit
And by voltage signal feedback in PWM control unit, output pulse width is adjusted by the PWM control unit, finally makes output electricity
The effect of pressure reaches stable, reaches constant-voltage charge, the utility model also has additional constant current feedback loop, and is fed back by the constant current
The electric current of the charging voltage output unit is detected in circuit, and the current signal is converted to voltage signal, and by the voltage signal
It feeds back in PWM control unit, output pulse width is adjusted by the PWM control unit 7, so that output electric current is reached constant, reach
The effect of to constant-current charge, specifically when in use, cell voltage in a certain range, the utility model energy constant-current charge, due to
Charging current be it is constant, charging rate is fast；When battery is full of fastly, constant voltage mode charging is converted to, charging current can be got over
Next smaller, until battery is completely filled with, the combination of this two kinds of charge modes not only increases charging rate, also improves charging
Efficiency, while being also beneficial to extend the service life of battery, enable the utility model that there is the extremely strong market competitiveness.
Detailed description of the invention:
Fig. 1 is the block diagram of the utility model；
Fig. 2 is the circuit diagram of the utility model.
Specific embodiment:
The present invention will be further described with attached drawing combined with specific embodiments below.
As shown in FIGS. 1 and 2 intelligent sweeping robot charger comprising: sequentially connected AC input unit 1, EMI unit
2, rectification unit 3, transformer 4,5V DC voltage rectification output unit 5 and charging voltage output unit 6, output port 10 and
PWM control unit 7, the PWM control unit 7 connect transformer 4, which connects battery, the intelligent sweeping robot
Charger, which may also include, to be had the voltage for detecting the charging voltage output unit 6 and controls voltage signal feedback in PWM
Unit 7 and the output voltage feedback loop 8 that output pulse width is adjusted by the PWM control unit 7, the output voltage feedback loop
The 8 connection PWM control units 7, which, which may also include, constant current feedback loop 9, and the constant current is anti-
It is fed back to road 9 and connects the PWM control unit 7 and output voltage feedback loop 8.The utility model has additional output voltage and feeds back to
Road 8, the output voltage feedback loop 8 be used for detect the charging voltage output unit 6 voltage and by the voltage signal feedback in
PWM control unit 7 adjusts output pulse width by the PWM control unit 7, so that output voltage is reached stable, reach constant pressure
The effect of charging, the utility model also has additional constant current feedback loop 9, and detects charging electricity by the constant current feedback loop 9
The electric current of output unit 6 is pressed, and the current signal is converted into voltage signal, and voltage signal feedback is controlled into list in PWM
Member 7 adjusts output pulse width by the PWM control unit 7, so that output electric current is reached constant, reaches the function of constant-current charge
Effect, specifically when in use, cell voltage in a certain range, the utility model energy constant-current charge, since charging current is constant
, charging rate is fast；When battery is full of fastly, constant voltage mode charging is converted to, charging current can be smaller and smaller, until battery
It is completely filled with, the combination of this two kinds of charge modes not only increases charging rate, also improves charge efficiency, while also advantageous
In the service life for extending battery, enable the utility model that there is the extremely strong market competitiveness.
The output voltage feedback loop 8 includes controllable accurate source of stable pressure U3, connect with charging voltage output unit 6
The sample resistance R34 and sample resistance R42 and optocoupler U2 being connect with the crus secunda of controllable accurate source of stable pressure U3, sampling electricity
Resistance R34 and sample resistance R42 is connect with the first foot of controllable accurate source of stable pressure U3, optocoupler U2 and PWM control unit 7
Pwm chip 71 connects.After output voltage is via sample resistance R34 and sample resistance R42 partial pressure, with controllable accurate source of stable pressure
The benchmark foot (1 foot) of U3 compares, to control the luminous intensity of optocoupler U2 internal diode, and is fed back to just in a manner of voltage
The pwm chip 71 of grade, pwm chip 71 adjust the width of pulse according to the size of feedback voltage, finally make output electricity
Pressure reaches stable.
The constant current feedback loop 9 include triode Q3, be connected in parallel in triode Q3 the pole E resistance R12, electricity
The resistance R20 and diode D15 and optocoupler U2 being connect with resistance R12, the pwm chip of optocoupler U2 and PWM control unit 7
The pole C of 71 connections, triode Q3 connects the charging voltage output unit 6, resistance R12, resistance R20 and diode D15
One end ground connection, the other end connect output port 10 cathode.After charging current flows through resistance R12, resistance R20, resistance R12,
The both ends resistance R20 can generate pressure drop, and the pressure drop at both ends determines triode Q3 turn-on and turn-off, to control two poles inside optocoupler U2
The luminous intensity of pipe, and current signal is converted into voltage signal, and primary pwm chip is fed back in a manner of voltage
71, pwm chip 71 adjusts the width of pulse according to the size of feedback voltage, and output electric current is finally made to reach constant.
Fuse F1 is provided between the AC input unit 1 and EMI unit 2.When product breaks down, fuse F1 is certainly
Row fusing, by AC resistance every to play a protective role.
The EMI unit 2 includes inductance coil L1 and the resistance in inductance coil L1 input terminal being connected in parallel
R1A and resistance R1B and capacitor CX1, the capacitor CX1 connection AC input unit 1, the connection of inductance coil L1 output end are whole
Flow unit 3.EMI unit 2 can be by the noise interference filtering in power grid, and avoiding, which influences product, works normally.
The rectification unit 3 is rectifier bridge stack, which also passes through the diode D17 connection PWM control list
The pwm chip 71 of member 7.Rectifier bridge stack converts alternating current to pulsation high voltage direct current.
The PWM control unit 7 includes pwm chip 71 and the metal-oxide-semiconductor that connect with the pwm chip 71
The output pin of the pwm chip 71, the pole the S connection of metal-oxide-semiconductor Q1 are connected after the pole the G connection resistance R36 of Q1, metal-oxide-semiconductor Q1
It is grounded after resistance R38, the pole D of metal-oxide-semiconductor Q1 connects the transformer 4.
The model NCP1200P60 of the pwm chip 71 is a low operating current, high efficiency, work frequency
Rate is the IC of 60KHz, has the function of short-circuit protection, internal temperature protection etc..
The main function of transformer T1: 1. electrical isolation.Input AC and output DC isolation are opened.2. converting voltage.
The rectangular exchange of the high pressure of primary side is converted into the rectangular exchange of low pressure.The selection of this product is EE-25 transformer, and magnetic core is MnZn
Ferrite can work in the high frequency state of 60KHz.R24, D5, R3, C3 are absorbing circuit, what main absorption was generated by T1 leakage inductance
Peak voltage.
The 5V DC voltage rectification output unit 5 includes rectifier diode D11, the electricity connecting with the transformer 4
R21 and voltage stabilizing chip U5 is hindered, it is that pwm chip 71 and other components are powered which, which rectifies output unit 5,.
The charging voltage output unit 6 includes the rectifier diode D10 connecting with the transformer 4, is parallel to this
The resistance R23 and capacitor C13 at the both ends rectifier diode D10 and the inductance coil L2 being connect with the cathode of rectifier diode D10,
The inductance coil L2 connection output port 10, the cathode of rectifier diode D10 are grounded after connecting capacitor C10, the rectification
The cathode of diode D10 is also connected with the output voltage feedback loop 8 and constant current feedback loop 9.
In conclusion the utility model has additional output voltage feedback loop 8, the output voltage feedback loop 8 is for examining
It surveys the voltage of the charging voltage output unit 6 and feeds back the voltage signal in PWM control unit 7, by the PWM control unit 7
Output pulse width is adjusted, the effect of so that output voltage is reached stable, reach constant-voltage charge, the utility model is also had additional
Constant current feedback loop 9, and by the electric current of the constant current feedback loop 9 detection charging voltage output unit 6, and the electric current is believed
Voltage signal number is converted to, and by voltage signal feedback in PWM control unit 7, output arteries and veins is adjusted by the PWM control unit 7
Width is rushed, finally makes to export the effect of electric current reaches constant, reaches constant-current charge, specifically when in use, cell voltage is certain
In range, the utility model energy constant-current charge, due to charging current be it is constant, charging rate is fast；When battery is full of fastly,
Constant voltage mode charging is converted to, charging current can be smaller and smaller, until battery is completely filled with, the combination of this two kinds of charge modes,
Charging rate is not only increased, charge efficiency is also improved, while being also beneficial to extend the service life of battery, enables this practical new
Type has the extremely strong market competitiveness.
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 (10)
1. intelligent sweeping robot charger comprising: sequentially connected AC input unit (1), EMI unit (2), rectification unit
(3), transformer (4), 5V DC voltage rectification output unit (5) and charging voltage output unit (6), output port (10) and
PWM control unit (7), the PWM control unit (7) connect transformer (4), it is characterised in that: intelligent sweeping robot charging
Device further includes having the voltage for detecting the charging voltage output unit (6) and feeding back the voltage signal in PWM control unit
(7) and by the output voltage feedback loop (8) of the PWM control unit (7) adjustment output pulse width, which is fed back to
Road (8) connects the PWM control unit (7), which further includes having constant current feedback loop (9), should
Constant current feedback loop (9) connects the PWM control unit (7) and output voltage feedback loop (8).
2. intelligent sweeping robot charger according to claim 1, it is characterised in that: the output voltage feedback loop
(8) include control precision voltage regulator U3, the sample resistance R34 that is connect with charging voltage output unit (6) and sample resistance R42 with
And the optocoupler U2, sample resistance R34 and sample resistance R42 connecting with the crus secunda of control precision voltage regulator U3 are smart with the control
The first foot of close source of stable pressure U3 connects, and optocoupler U2 is connect with the pwm chip (71) of PWM control unit (7).
3. intelligent sweeping robot charger according to claim 1, it is characterised in that: the constant current feedback loop (9)
Include triode Q3, be connected in parallel in triode Q3 the pole E resistance R12, resistance R20 and diode D15 and with the electricity
The optocoupler U2 of R12 connection is hindered, optocoupler U2 is connect with the pwm chip (71) of PWM control unit (7), the C of triode Q3
Pole connects the charging voltage output unit (6), one end ground connection of resistance R12, resistance R20 and diode D15, and the other end connects
Connect the cathode of output port (10).
4. intelligent sweeping robot charger according to claim 1, it is characterised in that: the AC input unit (1) with
EMI unit is provided with fuse F1 between (2).
5. intelligent sweeping robot charger according to claim 1, it is characterised in that: the EMI unit (2) includes
The inductance coil L1 and resistance R1A and resistance R1B and capacitor CX1 in inductance coil L1 input terminal being connected in parallel, should
The capacitor CX1 connection AC input unit (1), inductance coil L1 output end connect rectification unit (3).
6. intelligent sweeping robot charger according to claim 1, it is characterised in that: the rectification unit (3) is whole
Flow bridge heap, the pwm chip (71) for also passing through the diode D17 connection PWM control unit (7) of the rectifier bridge stack.
7. intelligent sweeping robot charger described in -6 any one according to claim 1, it is characterised in that: the PWM control
Unit (7) processed includes pwm chip (71) and the metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1 that connect with the pwm chip (71)
The pole G connection resistance R36 after connect the output pin of the pwm chip (71), the pole the S connection resistance R38 of metal-oxide-semiconductor Q1 is followed by
The pole D on ground, metal-oxide-semiconductor Q1 connects the transformer (4).
8. intelligent sweeping robot charger according to claim 7, it is characterised in that: the pwm chip (71)
Model NCP1200P60.
9. intelligent sweeping robot charger according to claim 7, it is characterised in that: the 5V DC voltage rectification is defeated
Unit (5) includes the rectifier diode D11, resistance R21 and voltage stabilizing chip U5 connecting with the transformer (4) out.
10. intelligent sweeping robot charger according to claim 7, it is characterised in that: the charging voltage output is single
First (6) include the rectifier diode D10 connecting with the transformer (4), the resistance for being parallel to the both ends rectifier diode D10
The R23 and capacitor C13 and inductance coil L2 connecting with the cathode of rectifier diode D10, inductance coil L2 connection are described defeated
Exit port (10), the cathode of rectifier diode D10 are grounded after connecting capacitor C10, and the cathode of rectifier diode D10 is also connected with
The output voltage feedback loop (8) and constant current feedback loop (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822089709.XU CN209595654U (en) | 2018-12-12 | 2018-12-12 | Intelligent sweeping robot charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822089709.XU CN209595654U (en) | 2018-12-12 | 2018-12-12 | Intelligent sweeping robot charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209595654U true CN209595654U (en) | 2019-11-08 |
Family
ID=68397184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822089709.XU Expired - Fee Related CN209595654U (en) | 2018-12-12 | 2018-12-12 | Intelligent sweeping robot charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209595654U (en) |
-
2018
- 2018-12-12 CN CN201822089709.XU patent/CN209595654U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 Termination date: 20211212 |