CN102751778B - Clamping plate type wireless power supply - Google Patents

Clamping plate type wireless power supply Download PDF

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Publication number
CN102751778B
CN102751778B CN201210182298.3A CN201210182298A CN102751778B CN 102751778 B CN102751778 B CN 102751778B CN 201210182298 A CN201210182298 A CN 201210182298A CN 102751778 B CN102751778 B CN 102751778B
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module
power supply
voltage
main power
circuit
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CN102751778A (en
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王晓辉
陈龙
田照辉
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Chery Automobile Co Ltd
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Chery Automobile Co Ltd
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Abstract

The invention aims to provide a clamping plate type wireless power supply which is provided with an auxiliary power supply, and is small in size and convenient to maintain. The clamping plate type wireless power supply provided by the invention comprises a main power supply and an auxiliary power for supplying power to a special module in the main power supply. The clamping plate type wireless power supply is mainly characterized in that the auxiliary power supply and the main power supply are respectively arranged on two independent circuit boards, and the auxiliary power supply is arranged on the circuit board of the main power supply by a connector and is provided with a voltage-stabilized control circuit. According to the clamping plate type wireless power supply provided by the invention, a wireless charging system is provided with the auxiliary power supply with independent voltage stabilization control to provide stable voltage for the special module in the main power supply, and meanwhile, the circuit board of the auxiliary power supply is arranged on the circuit board of the main power supply. The clamping plate type wireless power supply has the characteristics of low cost, small occupation area, convenience in installation and maintenance, and the like.

Description

A kind of clamp plate type wireless power supply source
Technical field
The invention belongs to charging electric vehicle field, be specifically related to clamp plate type wireless power supply source.
Background technology
Current electric automobile adopts in the process of wireless charging, if control module and drive circuit main transformer secondary make accessory power supply, then because main transformer coupling coefficient is very low, former limit leakage inductance is very large, output voltage is by instability, if use finished product Power supply, then and cost of idleness, and take whole machine installation space, make mounting process complicated.If be integrated into by accessory power supply on main power circuit plate, once any one breaks down in accessory power supply or main power source, then whole circuit needs repairing or changes.
Summary of the invention
The object of the invention is to propose a kind of compact, be convenient to the clamp plate type wireless power supply source with accessory power supply of maintenance.
Clamp plate type wireless power supply source of the present invention comprises main power source and is the accessory power supply that in main power source, particular module is powered, key is that described accessory power supply and main power source divide and is located at two pieces independently on circuit board, described accessory power supply is arranged on the circuit board of main power source by connector, and described accessory power supply is provided with controlling circuit of voltage regulation.
By the form of connector, the circuit board of accessory power supply is arranged on the circuit board of main power source, provides cost savings compared with the independent finished products power supply be separated with use and main circuit, reduce installing space, and simplify mounting process.If in accessory power supply or main power source, any one breaks down, then only need to change out of order power supply, and without the need to changing whole circuit; Accessory power supply is provided with controlling circuit of voltage regulation, can provide stable power supply for particular module in main power source.
Further, described main power source has DC voltage output end, DC voltage input end be connected with described particular module power end, earth terminal and common port; Described accessory power supply has input terminal, lead-out terminal, earth terminal and common port; The input terminal of described accessory power supply is connected with DC voltage output end of main power source, the lead-out terminal of accessory power supply is connected with DC voltage input end of main power source, the earth terminal of accessory power supply is connected with the earth terminal of main power source, and the common port of accessory power supply is connected with the common port of main power source.Accessory power supply adopts the direct current of main power source to export as input power, whole like this power supply only needs a high voltage input terminal, and the direct current of main power source exports comparatively stable, being conducive to accessory power supply for the particular module in main power source provides more stable power supply.
Specifically, described main power source comprises AC input terminal, capability correction module, high frequency conversion module, rectification filtering module, feedback module, control driver module, and described AC input terminal, capability correction module, high frequency conversion module, rectification filtering module, DC voltage output end are connected successively; The input of described feedback module is connected with DC voltage output end, and output is connected with control driver module; Described control driver module is connected with high frequency conversion module, and wherein said particular module is capability correction module and controls driver module.First the alternating current of input carries out power factor correction through capability correction module, and then successively by after high-frequency converter conversion, rectification filtering module rectification and filtering, exported by DC voltage output end, and output voltage is fed back to control driver module through feedback module, by controlling the adjustment of driver module realization to output voltage, VD is tended towards stability.Above-mentioned capability correction module, high frequency conversion module, rectification filtering module, feedback module have all been widely used in Power Management Design, repeat no more herein.
Specifically, described control driver module comprises control chip output module, power field effect pipe drive circuit module, driving transformer module and the full-bridge main circuit switch MSO tube module of connecting successively.Control the control voltage signal that first driver module receives control chip output, by power field effect tube drive circuit, the voltage of accessory power supply is added to the former limit winding of driving transformer, and then inducing driving voltage to drive the switch MOS pipe of full-bridge main circuit at secondary limit winding, the waveform that the secondary limit winding output waveform of driving transformer and control chip export is consistent.
Further; described accessory power supply comprises input terminal, lead-out terminal, earth terminal, common port, high frequency conversion module, rectification filtering module, feedback module, protection module and control module; described input terminal, high frequency conversion module, rectification filtering module, lead-out terminal are connected successively; the input of described feedback module is connected with lead-out terminal; the output of feedback module is connected with control module; described control module is connected with high frequency conversion module; the input of described protection module is connected with lead-out terminal, and the output of protection module is connected with control module.Accessory power supply utilizes the direct current of main power source to export as input power; direct voltage is converted by high-frequency converter; and then export the voltage direct current after rectifying and wave-filtering after conversion to particular module in main power source; in the process; accessory power supply realizes the stable of output voltage by feedback module and control module, and burns out accessory power supply when protection module can prevent overvoltage fault.Above-mentioned high frequency conversion module, rectification filtering module, feedback module, control module have all been widely used in Power Management Design, repeat no more herein.
Specifically; described protection module comprises output voltage sampling circuit, reference voltage circuit and voltage comparator circuit; the output of described output voltage sampling circuit, reference voltage circuit is connected with voltage comparator circuit, and the output of described voltage comparator circuit is connected with control module.First output voltage sampling circuit samples to output voltage values; then sampled voltage signal and reference voltage signal compare in voltage comparator circuit; when there is piezoelectric voltage fault; sampled voltage signal will higher than reference voltage signal; voltage comparator circuit output protection voltage signal is to control module, and control module makes circuit enter protection mode of operation.
Further, described accessory power supply is vertically mounted on the circuit board of main power source by connector, distant between the components and parts of the circuit board of such two block power supplies, is conducive to heat radiation.
Clamp plate type wireless power supply source of the present invention adds in wireless charging system to be had the accessory power supply that independent voltage stabilizing controls and provides stable voltage for the particular module in main power source, the circuit board of accessory power supply is installed on the circuit board of main power source simultaneously, has that cost is low, take up room the feature such as little, easy to installation and maintenance.
Accompanying drawing explanation
Fig. 1 is the main power source of clamp plate type wireless power supply source of the present invention and the connector structure figure of accessory power supply.
Fig. 2 is the circuit theory diagrams of the main power source of clamp plate type wireless power supply source of the present invention.
Fig. 3 is the circuit theory diagrams of the control driver module in the main power source of clamp plate type wireless power supply source of the present invention.
Fig. 4 is the circuit theory diagrams of the accessory power supply of clamp plate type wireless power supply source of the present invention.
Fig. 5 is the circuit theory diagrams of the protection module in the accessory power supply of clamp plate type wireless power supply source of the present invention.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the effect and operation principle etc. of the specific embodiment of the present invention as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail.
Embodiment 1:
As shown in the figure, the clamp plate type wireless power supply source of the present embodiment comprises main power source and is the accessory power supply that in main power source, particular module is powered, wherein accessory power supply and main power source divide and are located at two pieces independently on circuit board, accessory power supply is vertically mounted on the circuit board of main power source by connector, and accessory power supply is provided with controlling circuit of voltage regulation.
Specifically, main power source have AC input terminal, the sub-Vo1 of DC voltage output end, earth terminal GND1, common port COM1, capability correction module, high frequency conversion module, rectification filtering module, feedback module, control driver module and with described capability correction module, control the sub-Vi1 of DC voltage input end that driver module is connected, wherein AC input terminal, capability correction module, high frequency conversion module, rectification filtering module, DC voltage output end are connected successively; The input of feedback module is connected with DC voltage output end, and output is connected with control driver module; Control driver module to be connected with high frequency conversion module.Wherein control driver module and comprise control chip output module, power field effect pipe drive circuit module, driving transformer module and the full-bridge main circuit switch MSO tube module of connecting successively.
Accessory power supply has input terminal Vi2, lead-out terminal Vo2, earth terminal GND2, common port COM2, high frequency conversion module, rectification filtering module, feedback module, protection module and control module, wherein input terminal, high frequency conversion module, rectification filtering module, lead-out terminal are connected successively, the input of feedback module is connected with lead-out terminal, the output of feedback module is connected with control module, and control module is connected with high frequency conversion module; The input of protection module is connected with lead-out terminal, and the output of protection module is connected with control module.Protection module comprises output voltage sampling circuit, reference voltage circuit and voltage comparator circuit, and the output of described output voltage sampling circuit, reference voltage circuit is connected with voltage comparator circuit, and the output of described voltage comparator circuit is connected with control module.
Accessory power supply adopts the connector of contact pin form, main power source adopts the connector of socket type, wherein the input terminal Vi2 of accessory power supply is connected with the sub-Vo1 of the DC voltage output end of main power source, the lead-out terminal Vo2 of accessory power supply is connected with the sub-Vi1 of the DC voltage input end of main power source, the earth terminal GND2 of accessory power supply is connected with the earth terminal GND1 of main power source, and the common port COM2 of accessory power supply is connected with the common port COM1 of main power source.
By the form of connector, the circuit board of accessory power supply is arranged on the circuit board of main power source, provides cost savings compared with the independent finished products power supply be separated with use and main circuit, reduce installing space, and simplify mounting process.If in accessory power supply or main power source, any one breaks down, then only need to change out of order power supply, and without the need to changing whole circuit; Accessory power supply is provided with controlling circuit of voltage regulation, can provide stable power supply for particular module in main power source.

Claims (6)

1. a clamp plate type wireless power supply source, the accessory power supply comprising main power source and power for particular module in main power source, it is characterized in that described accessory power supply and main power source divide and be located at two pieces independently on circuit board, described accessory power supply is arranged on the circuit board of main power source by connector, and described accessory power supply is provided with controlling circuit of voltage regulation; DC voltage input end, earth terminal and common port that described main power source has DC voltage output end, is connected with described particular module power end; Described accessory power supply has input terminal, lead-out terminal, earth terminal and common port; The input terminal of described accessory power supply is connected with DC voltage output end of main power source, the lead-out terminal of accessory power supply is connected with DC voltage input end of main power source, the earth terminal of accessory power supply is connected with the earth terminal of main power source, and the common port of accessory power supply is connected with the common port of main power source.
2. clamp plate type wireless power supply source according to claim 1, it is characterized in that described main power source comprises AC input terminal, capability correction module, high frequency conversion module, rectification filtering module, feedback module, control driver module, described AC input terminal, capability correction module, high frequency conversion module, rectification filtering module, DC voltage output end are connected successively; The input of described feedback module is connected with DC voltage output end, and output is connected with control driver module; Described control driver module is connected with high frequency conversion module; Described particular module is described capability correction module and controls driver module.
3. clamp plate type wireless power supply source according to claim 2, is characterized in that described control driver module comprises control chip output module, power field effect pipe drive circuit module, driving transformer module and the full-bridge main circuit switch metal-oxide-semiconductor module of connecting successively.
4. clamp plate type wireless power supply source according to claim 1, it is characterized in that described accessory power supply comprises input terminal, lead-out terminal, earth terminal, common port, high frequency conversion module, rectification filtering module, feedback module, protection module and control module, described input terminal, high frequency conversion module, rectification filtering module, lead-out terminal is connected successively, the input of described feedback module is connected with lead-out terminal, the output of feedback module is connected with control module, described control module is connected with high frequency conversion module, the input of described protection module is connected with lead-out terminal, the output of protection module is connected with control module.
5. clamp plate type wireless power supply source according to claim 4; it is characterized in that described protection module comprises output voltage sampling circuit, reference voltage circuit and voltage comparator circuit; the output of described output voltage sampling circuit, reference voltage circuit is connected with voltage comparator circuit, and the output of described voltage comparator circuit is connected with control module.
6. clamp plate type wireless power supply source according to claim 1, is characterized in that described accessory power supply is vertically mounted on the circuit board of main power source by connector.
CN201210182298.3A 2012-06-05 2012-06-05 Clamping plate type wireless power supply Active CN102751778B (en)

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CN108668415B (en) * 2017-03-28 2020-06-16 杭州海康威视数字技术股份有限公司 Mode switching method and device of intelligent lighting equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2822024Y (en) * 2005-08-24 2006-09-27 上海新华电子设备有限公司 DC/DC power module with low voltage regulation rate and negative regulation rate
CN201118430Y (en) * 2007-08-24 2008-09-17 盈富(东莞)电器制品有限公司 A power conversion device
CN201985596U (en) * 2011-04-28 2011-09-21 奇瑞汽车股份有限公司 Wireless charging system for electric automobile

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11327689A (en) * 1998-05-11 1999-11-26 Nec Corp Hot line insertion/withdrawal circuit
CN200997650Y (en) * 2007-01-12 2007-12-26 青岛海信电器股份有限公司 Power-supply circuit and TV-set therewith

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2822024Y (en) * 2005-08-24 2006-09-27 上海新华电子设备有限公司 DC/DC power module with low voltage regulation rate and negative regulation rate
CN201118430Y (en) * 2007-08-24 2008-09-17 盈富(东莞)电器制品有限公司 A power conversion device
CN201985596U (en) * 2011-04-28 2011-09-21 奇瑞汽车股份有限公司 Wireless charging system for electric automobile

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