CN202475288U - Intelligent dust collector power supply system - Google Patents
Intelligent dust collector power supply system Download PDFInfo
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- CN202475288U CN202475288U CN2012200594538U CN201220059453U CN202475288U CN 202475288 U CN202475288 U CN 202475288U CN 2012200594538 U CN2012200594538 U CN 2012200594538U CN 201220059453 U CN201220059453 U CN 201220059453U CN 202475288 U CN202475288 U CN 202475288U
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- transformer
- power
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- circuit
- dust collector
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The utility model relates to an intelligent dust collector power supply system with high electromagnetic compatibility. The utility model can solve the problem of poor electromagnetic compatibility of an intelligent dust collector in the prior art. According to the technical scheme, an alternating current is input into the intelligent dust collector power supply system, the intelligent dust collector power supply system comprises an appliance power supply and a charging dock matched with the appliance power supply, wherein the appliance power supply also comprises a filter circuit and a passive buffer circuit, the phase line output end and the zero line output end of a bridge type rectifier circuit are respectively correspondingly connected with a phase line and a zero line of the alternating current, the bridge type rectifier circuit is connected with the filter circuit, the filter circuit is connected with a transformer primary coil, the zero line output end of the filter circuit is connected with the zero line end of the transformer primary coil, and the zero line end of the transformer primary coil is connected with the zero line output end of the passive buffer circuit electrically. According to the utility model, the intelligence is kept and the electromagnetic compatibility is increased.
Description
Technical field
The utility model relates to a kind of power-supply system, particularly a kind of intellective dust collector power-supply system that has than high electrical-magnetic compatibility.
Background technology
Intelligent dust catcher is because of advantages such as it are small and exquisite, light, dust suction is clean, easy to use; Receive users' welcome deeply; If but its charging circuit is not being handled well aspect the electromagnetic compatibility (EMC); Can bring electromagnetic interference problem, often cause the product can not be, the serious normal operation that also can influence other electronic equipment of family through the test of electromagnetic compatibility standard.Intellective dust collector has utilized the principle of ultrasonic ranging; Through forward direction emission ultrasonic pulse; And receive and to return sound wave pulse accordingly, barrier is carried out distance judgement, for preventing to transmit and receive the mutual interference of transducer; Often through with the MC51 single-chip microcomputer being the gating control of control core device realization to ultrasound emission and reception; In 15ms, the wheel of working between several groups of transducers is stayed conversion, and return in processing on the basis of pulse signal and judge selected corresponding control strategies; Through driver drives two stepping motors, drive driving wheel, thereby realize barrier avoiding function.Meanwhile; The small duster parts that carried by himself carry out necessary dust suction cleaning to the ground of process, when judging power shortage; Automatically return cradle through infrared emission with the reception principle and charge, perhaps through manually directly dust catcher being charged with charger.Consider the convenience of use, what at present dust catcher was selected for use with charger mostly is to be furnished with the infrared emission circuit in switching power circuit and the cradle, and the sort circuit collocation had not only been satisfied and returned charge function automatically but also satisfied manual powered function, very practicality.But; The back electromotive force that the leakage inductance of the switch loop high frequency break-make characteristic of power circuit, the pulse control signal of FEEDBACK CONTROL circuits for triggering, transformer produces etc. all can cause a large amount of electromagnetic disturbances; The du/dt of transition will propagate electromagnetic disturbance with the mode of space radiation and conduction; So cause the non-compliant requirement of intellective dust collector electromagnetic compatibility test, general defective frequency all occurs in low frequency 150kHz between 500kHz and the high frequency 30MHz～100MHz.
Chinese patent publication number CN2395679Y; Disclose a kind of intellective dust collector open day on September 13rd, 2000, it be by the ultrasound emission circuit under the control of single-chip microcomputer sequential and multiplexer circuit; The ultrasonic wave of emission fixed frequency; Wherein supersonic frequency is by the decision of ultrasonic pulse generation circuit, and ultrasonic then receiving circuit receives the ultrasonic reflections signal under the control of single-chip microcomputer sequential and multiplexer circuit, after the signal of reception is handled through signal processing circuit; Input singlechip interruption pin, at last by the direct drive motors of motor-drive circuit make corresponding craspedodrome or about the action changeed.
The utility model content
It is poor that the purpose of the utility model is to solve in the prior art intellective dust collector Electro Magnetic Compatibility, and test does not meet the problem of national standard, and a kind of intellective dust collector power-supply system that has than high electrical-magnetic compatibility is provided.
The utility model solves the technical scheme that its technical problem adopted: a kind of intellective dust collector power-supply system; Be input as alternating current; Comprise appliances power source and the cradle that is complementary with appliances power source; Described appliances power source comprises bridge rectifier, photoelectricity coupling circuit, transformer, rectification circuit, voltage stabilizing element and filter capacitor; Said transformer secondary output coil output current drives load through rectification circuit, voltage stabilizing element and filter capacitor; The controlled side of said photoelectricity coupling circuit is connected with voltage stabilizing element; Described appliances power source also comprises filter circuit and passive buffer circuit; Corresponding respectively phase line and the zero line that is connected alternating current of the phase line output terminal of said bridge rectifier and zero line output, the phase line output terminal of said bridge rectifier and zero line output respectively with filter circuit in the phase line input be connected with the zero line input is corresponding, the phase line output terminal of said filter circuit is through the mutually line end connection of passive buffer circuit with transformer; The zero line output of said filter circuit is connected with the zero line side of said transformer through the control side of photoelectricity coupling circuit, and the zero line side of said transformer also is electrically connected with the zero line output of said passive buffer circuit.Be provided with like this, the signal that behind bridge rectifier, adds filter circuit and be 50Hz or 60Hz provides impedance path, and the frequency higher signal is produced bigger decay, intercepts to realize disturbing; Increase passive buffer circuit and can absorb the higher surge peak voltage that switching circuit switches on and off the moment generation; Select optically coupled circuit for use; Utilize the unidirectional transmission property of its signal of telecommunication; Input and output signal is played good buffer action, improve the stability of output voltage simultaneously, improved than high electrical-magnetic compatibility greatly.
As preferably, the zero line side of said transformer is an end of the same name with the line end mutually of said transformer secondary output coil.Be provided with like this, can to a certain degree reduce the Harmonic Interference of transformer secondary output coil.
As preferably; Described intellective dust collector power-supply system comprises that also inhibition transformer leakage field causes the capacitor C Y that the vibration of self-excitation is disturbed to sampling formation interference; First conduction terminal of said capacitor C Y connects with the line end mutually of transformer, and second conduction terminal of said capacitor C Y is connected with the zero line side of transformer secondary output coil.Setting like this adds capacitor C Y between the transformer primary and secondary, can suppress the transformer leakage field causes self-excitation to sampling formation interference vibration interference by chance.
As preferably, described capacitor C Y is a Y type electric capacity.Be used in the power-supply filter, play the power filter effect, respectively to common mode, the differential mode worker disturbs and strobes.In such occasion, after promptly capacitor lost efficacy, can not cause electric shock, do not jeopardize personal safety.
As preferably, described filter circuit is a T type filter circuit.T type filter circuit comprises two inductors and capacitor.Its two ends all are high impedances, and it is similar with pi type filter that it inserts drain performance, but it is not prone to " ring " phenomenon.
As preferably; The output of connecting with rectification circuit of the phase line end of the secondary coil of said transformer; First end of said voltage stabilizing element is electrically connected with the line end mutually of the secondary coil of said transformer; Second end of said voltage stabilizing element is electrically connected with the zero line side of the secondary coil of said transformer with controlled side through the photoelectricity coupling circuit; First link of said filter capacitor is electrically connected with the line end mutually of the secondary coil of said transformer, and second link of said filter capacitor is electrically connected with the zero line side of the secondary coil of said transformer.Being provided with in the rectification circuit can be to absorb the reverse recovery current noise.
As preferably; Described cradle comprises serial communication unit, DC power supply input module, Charge Management unit, DC power supplier, single-chip microcomputer, broadcast-type infrared emission unit, closely locatees infrared emission unit, charging location infrared emission unit and charging inlet; Described DC power supply input module, Charge Management unit and charging inlet are connected successively; The input of said DC power supply input module is provided with ferrite bead; The output of DC power supply input module is electrically connected with the input of DC power supplier; The output of DC power supplier respectively with the power port of the power port of single-chip microcomputer, broadcast-type infrared emission unit, closely locate the power port of infrared emission unit and the power port of charging location infrared emission unit and be electrically connected; The input/output port of described single-chip microcomputer respectively with the control end of the control end of Charge Management unit, broadcast-type infrared emission unit, closely locate the control end of infrared emission unit and the control end of charging location infrared emission unit and be electrically connected, said single-chip microcomputer also is connected with described serial communication unit communications.Be provided with like this; Cradle is formed the infrared emission circuit by single-chip microcomputer; Can accurately control the position that dust catcher returns, but the crystal oscillator frequency of circuit is approximately several megahertzes often than higher; So can produce High-frequency Interference during work, add the effect that ferrite bead has played the high frequency harassing and wrecking that cause owing to clock, crystal oscillator etc. when eliminating cradle and body of dust collector work.
As preferably, be provided with second ferrite bead between described Charge Management unit and the charging inlet.Add that second ferrite bead has played when strengthening eliminating cradle with body of dust collector work because the effect that the high frequency that clock, crystal oscillator etc. cause is harassed.
The beneficial effect of the utility model is: the utility model has increased Electro Magnetic Compatibility when keeping the intellective dust collector power-supply system intelligent, particularly strengthened low frequency 150kHz to the Electro Magnetic Compatibility between 500kHz and the high frequency 30MHz～100MHz.
Description of drawings
Fig. 1 is a kind of circuit block diagram of appliances power source in the utility model;
Fig. 2 is a kind of circuit block diagram of cradle in the utility model;
Fig. 3 is a kind of circuit theory diagrams of appliances power source in the utility model.
Among the figure: 11, bridge rectifier, 12, T type filter circuit, 13, passive buffer circuit, 14, transformer; 15, rectification circuit, 16, the photoelectricity coupling circuit, 17, voltage stabilizing element, 2, the DC power supply input module; 3,5V power module, 4, the Charge Management unit, 51, ferrite bead, 52, second ferrite bead; 6, charging inlet, 7, the serial communication unit, 8, single-chip microcomputer; 91, broadcast-type infrared emission unit, 92, closely locate infrared emission unit, 93, charging location infrared emission unit.
Embodiment
Below through specific embodiment, and combine accompanying drawing, the technical scheme of the utility model is further specified.
Embodiment:
A kind of intellective dust collector power-supply system; Be input as alternating current; Comprise appliances power source (referring to accompanying drawing 1) and the cradle that is complementary with appliances power source; Appliances power source comprises photoelectricity coupling circuit 16, transformer 14, rectification circuit 15, voltage stabilizing element 17 and filter capacitor C5; Said transformer secondary output coil output current drives load through rectification circuit 15, voltage stabilizing element 17 and filter capacitor; The controlled side of photoelectricity coupling circuit 16 is connected with voltage stabilizing element 17, and appliances power source also comprises bridge rectifier 11, filter circuit and passive buffer circuit 13, the phase line output terminal of bridge rectifier 11 and corresponding respectively phase line and the zero line that is connected alternating current of zero line output; The phase line output terminal of bridge rectifier 11 and zero line output respectively with filter circuit in the phase line input be connected with the zero line input is corresponding; The phase line output terminal of filter circuit connects with the line end mutually of transformer 14 primary coils through passive buffer circuit 13, and the zero line output of filter circuit is connected with the zero line side of transformer 14 primary coils through the control side of photoelectricity coupling circuit 16, and the zero line side of transformer 14 primary coils also is electrically connected with the zero line output of passive buffer circuit 13.Filter circuit is a T type filter circuit 12.The output of connecting with rectification circuit 15 of the phase line end of the secondary coil of transformer 14; First end of voltage stabilizing element 17 is electrically connected with the line end mutually of the secondary coil of transformer 14; Second end of voltage stabilizing element 17 is electrically connected with the zero line side of the secondary coil of transformer 14 with controlled side through photoelectricity coupling circuit 16; First link of filter capacitor C5 is electrically connected with the line end mutually of the secondary coil of transformer 14, and second link of filter capacitor C5 is electrically connected with the zero line side of the secondary coil of transformer 14.
Cradle (referring to accompanying drawing 2) comprises serial communication unit 7, DC power supply input module 2, Charge Management unit 4,5V power module 3, single-chip microcomputer 8, broadcast-type infrared emission unit 91, closely locatees infrared emission unit 92, charging location infrared emission unit 93 and charging inlet 6; DC power supply input module 2, Charge Management unit 4 and charging inlet 6 are connected successively; The input of DC power supply input module 2 is provided with ferrite bead 51; The output of DC power supply input module 2 is electrically connected with the input of 5V power module 3; The output of DC power supplier 2 respectively with the power port of the power port of single-chip microcomputer 8, broadcast-type infrared emission unit 91, closely locate the power port of infrared emission unit 92 and the power port of charging location infrared emission unit 93 and be electrically connected; The input/output port of single-chip microcomputer 8 respectively with the control end 92 of the control end of Charge Management unit 4, broadcast-type infrared emission unit, closely locate the control end of infrared emission unit 93 and the control end of charging location infrared emission unit 94 and be electrically connected, single-chip microcomputer 8 also is connected with 7 communications of described serial communication unit.Be provided with second ferrite bead 52 between Charge Management unit and the charging inlet.
(referring to accompanying drawing 3) bridge rectifier bag is made up of diode D1, diode D2, diode D3 and diode D4 in the physical circuit of appliances power source; The negative electrode of the anode of diode D1 and diode D3 is connected with the alternating current phase line, and the negative electrode of the anode of diode D2 and diode D4 is connected with the zero line of alternating current; T type filter circuit is made up of inductance L 1, inductance L 2 and capacitor C 2; First conduction terminal of inductance L 2 is connected with the negative electrode of diode D2; Second conduction terminal of inductance L 2 is connected with the positive pole of capacitor C 2, and first conduction terminal of inductance L 1 is connected with the anode of diode D4, and second conduction terminal of inductance L 1 is connected with the negative pole of capacitor C 2; Resistance R 1, capacitor C 3, resistance R 3 and diode D5 series connection constitute passive buffer circuit; First conduction terminal of capacitor C 3 is connected with second conduction terminal of inductance L 2, and second conduction terminal of capacitor C 3 is connected with first conduction terminal of resistance R 3, and second conduction terminal of resistance R 3 is connected with the negative electrode of diode D5; First conduction terminal of resistance R 1 is connected with second conduction terminal of inductance L 2, and second conduction terminal of resistance R 1 is connected with first conduction terminal of resistance R 3; The photoelectricity coupling circuit is made up of capacitor C 5, integrated EFI U1 and photoelectrical coupler U2; Integrated EFI U1 adopts the TNY253P chip; Photoelectrical coupler U2 adopts the PC817A chip, and the D end of integrated EFI U1 is connected with the anode of diode D5, and the S end of integrated EFI U1 is connected with second conduction terminal of inductance L 1; The BP of integrated EFI U1 end and capacitor C 4 first conduction terminal be connected; Second conduction terminal of capacitor C 4 is connected with the S of integrated EFI U1 end, and the EN end of integrated EFI U1 is connected with the input of photoelectrical coupler U2 control side, and the output of photoelectrical coupler U2 control side is connected with the S end of integrated EFI U1; Appliances power source also comprises transformer T1; The phase line end of transformer T1 primary coil is connected with second conduction terminal of inductance L 2; The zero line side of transformer T1 primary coil is connected with the D of integrated EFI U1 end; The zero line side of transformer T1 primary coil is an end of the same name with the line end mutually of transformer T1 secondary coil; Inhibition transformer leakage field causes first conduction terminal of the Y type capacitor C Y that the vibration of self-excitation is disturbed and the connection of line end mutually of transformer T1 primary coil to sampling formation interference, second conduction terminal of capacitor C Y is connected with the zero line side of transformer T1 secondary coil, and the zero line side of transformer T1 secondary coil is connected with load through the zero line output of appliances power source; Rectification circuit comprises resistance R 2, capacitor C 7 and diode D6; Resistance R 2 and the two ends that are connected in parallel on diode D6 after capacitor C 7 is connected; The anode of diode D6 connects with the line end mutually of transformer T1 secondary coil; The negative electrode of diode D6 connects with the line output terminal mutually of appliances power source, and output current drives load; Voltage-stabiliser tube VR1 is as voltage stabilizing element, and the negative electrode of voltage-stabiliser tube VR1 is connected with the negative electrode of diode D5, and the anode of voltage-stabiliser tube VR1 is connected with the zero line output through the controlled side of photoelectrical coupler U2; Capacitor C 5 first conduction terminal connect with the line output terminal mutually of appliances power source, and capacitor C 5 second conduction terminal are connected with the zero line output of appliances power source.
Input voltage at first carries out rectification through bridge rectifier; Through the T type filter circuit filtering, via buffer circuit buffering back input transformer T1 for no reason at all, Y type capacitor C Y suppresses the transformer leakage field and sampling is formed disturbs and cause that the vibration of self-excitation disturbs; Transformer T1 secondary coil output current; Rectification circuit carries out rectification to this electric current, and voltage stabilizing element carries out voltage stabilizing, drives load through output after the filter capacitor filtering at last.Voltage stabilizing element is controlled by integrated EFI U1.When dust catcher is judged power shortage, return cradle through infrared emission automatically with the reception principle and charge, perhaps through manually directly dust catcher being charged with charger.What present embodiment was selected for use with charger is to be furnished with the broadcast-type infrared emission unit in switching power circuit and the cradle, closely to locate infrared emission unit and three kinds of infrared emission circuit of charging location infrared emission unit; By single-chip microcomputer the Charge Management unit is controlled; Satisfied and returned charge function automatically and satisfied manual powered function again, very practical.
Above-described embodiment is a kind of preferable scheme of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (8)
1. intellective dust collector power-supply system; Be input as alternating current; Comprise appliances power source and the cradle that is complementary with appliances power source; Described appliances power source comprises bridge rectifier, photoelectricity coupling circuit, transformer, rectification circuit, voltage stabilizing element and filter capacitor; Said transformer secondary output coil output current drives load through rectification circuit, voltage stabilizing element and filter capacitor; The controlled side of said photoelectricity coupling circuit is connected with voltage stabilizing element, it is characterized in that: described appliances power source also comprises filter circuit and passive buffer circuit, the phase line output terminal of said bridge rectifier and corresponding respectively phase line and the zero line that is connected alternating current of zero line output; The phase line output terminal of said bridge rectifier and zero line output respectively with filter circuit in the phase line input be connected with the zero line input is corresponding; The phase line output terminal of said filter circuit connects with the line end mutually of transformer through passive buffer circuit, and the zero line output of said filter circuit is connected with the zero line side of said transformer through the control side of photoelectricity coupling circuit, and the zero line side of said transformer also is electrically connected with the zero line output of said passive buffer circuit.
2. intellective dust collector power-supply system according to claim 1 is characterized in that: the zero line side of said transformer is an end of the same name with the line end mutually of said transformer secondary output coil.
3. intellective dust collector power-supply system according to claim 2; It is characterized in that: described intellective dust collector power-supply system comprises that also inhibition transformer leakage field causes the capacitor C Y that the vibration of self-excitation is disturbed to sampling formation interference; First conduction terminal of said capacitor C Y connects with the line end mutually of transformer, and second conduction terminal of said capacitor C Y is connected with the zero line side of transformer secondary output coil.
4. intellective dust collector power-supply system according to claim 3 is characterized in that: described capacitor C Y is a Y type electric capacity.
5. according to claim 1 or 2 or 3 or 4 described intellective dust collector power-supply systems, it is characterized in that: described filter circuit is a T type filter circuit.
6. according to claim 1 or 2 or 3 or 4 described intellective dust collector power-supply systems; It is characterized in that: the output of connecting with rectification circuit of the phase line end of the secondary coil of said transformer; First end of said voltage stabilizing element is electrically connected with the line end mutually of the secondary coil of said transformer; Second end of said voltage stabilizing element is electrically connected with the zero line side of the secondary coil of said transformer with controlled side through the photoelectricity coupling circuit; First link of said filter capacitor is electrically connected with the line end mutually of the secondary coil of said transformer, and second link of said filter capacitor is electrically connected with the zero line side of the secondary coil of said transformer.
7. according to claim 1 or 2 or 3 or 4 described intellective dust collector power-supply systems; It is characterized in that: described cradle comprises serial communication unit, DC power supply input module, Charge Management unit, DC power supplier, single-chip microcomputer, broadcast-type infrared emission unit, closely locatees infrared emission unit, charging location infrared emission unit and charging inlet; Described DC power supply input module, Charge Management unit and charging inlet are connected successively; The input of said DC power supply input module is provided with ferrite bead; The output of DC power supply input module is electrically connected with the input of DC power supplier; The output of DC power supplier respectively with the power port of the power port of single-chip microcomputer, broadcast-type infrared emission unit, closely locate the power port of infrared emission unit and the power port of charging location infrared emission unit and be electrically connected; The input/output port of described single-chip microcomputer respectively with the control end of the control end of Charge Management unit, broadcast-type infrared emission unit, closely locate the control end of infrared emission unit and the control end of charging location infrared emission unit and be electrically connected, said single-chip microcomputer also is connected with described serial communication unit communications.
8. intellective dust collector power-supply system according to claim 7 is characterized in that: be provided with second ferrite bead between described Charge Management unit and the charging inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200594538U CN202475288U (en) | 2012-02-23 | 2012-02-23 | Intelligent dust collector power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200594538U CN202475288U (en) | 2012-02-23 | 2012-02-23 | Intelligent dust collector power supply system |
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| Publication Number | Publication Date |
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| CN202475288U true CN202475288U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200594538U Expired - Fee Related CN202475288U (en) | 2012-02-23 | 2012-02-23 | Intelligent dust collector power supply system |
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| CN (1) | CN202475288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071512A (en) * | 2015-08-02 | 2015-11-18 | 重庆世纪精信实业（集团）有限公司 | Automatic charging control system and control method of intelligent household robot |
| CN110048587A (en) * | 2019-05-14 | 2019-07-23 | 安徽亚辉电气自动化有限公司 | A kind of supply harmonic suppressor with buffer protection circuit |
-
2012
- 2012-02-23 CN CN2012200594538U patent/CN202475288U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071512A (en) * | 2015-08-02 | 2015-11-18 | 重庆世纪精信实业（集团）有限公司 | Automatic charging control system and control method of intelligent household robot |
| CN110048587A (en) * | 2019-05-14 | 2019-07-23 | 安徽亚辉电气自动化有限公司 | A kind of supply harmonic suppressor with buffer protection circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20180223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |