CN100492852C - Wireless type zero quiescent dissipation power supply controller - Google Patents
Wireless type zero quiescent dissipation power supply controller Download PDFInfo
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- CN100492852C CN100492852C CNB2007101184746A CN200710118474A CN100492852C CN 100492852 C CN100492852 C CN 100492852C CN B2007101184746 A CNB2007101184746 A CN B2007101184746A CN 200710118474 A CN200710118474 A CN 200710118474A CN 100492852 C CN100492852 C CN 100492852C
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Abstract
A wireless static power consumption power supply control device belongs to the technical field of electric device power supply, which is characterized in that the device is provide with a digital control circuit connected in series by a decoding circuit, a switch control circuit and a controllable switch in turn, two power sources and a power source selective circuit. Under the out-of-service condition, the controllable switch is off and the power of the outside main operating circuit is failed, thereby realizing the static zero consumption power supply. The antenna or electromagnetic coil supplies power to the digital control circuit through a power restore circuit and the power source selective circuit, making the controllable switch off. While under the operating condition, the controllable switch is turned on to supply power to the main operating circuit, and at the same time, the inner power source supplies power to the power source selective circuit through the controllable circuit, thereby making the digital control circuit maintain the turn on state of the controllable switch to ensure the power supply of the main operating circuit. The invention realizes the static zero consumption of the electric device and has a small volume, which is widely applicable to the household appliances and the tiny medical detecting and treating device.
Description
Technical field
The invention belongs to the power electronic equipment technical field, particularly the structural design of power supply circuits in the electronic equipments such as household electrical appliance, mini-medical detection and therapeutic system.
Background technology
Electronic equipment has a wide range of applications in current society, as household electrical appliance and portable sets such as paper tape formula camera, wineless endoscope capsule such as air-conditioning, TVs.All there is one in all these electronic equipments under non operating state in application, i.e. how power consumption problem during standby reduces, until the stand-by power consumption of eliminating electronic equipment fully, is a problem of people's common concern.
At the application characteristic of the above electronic equipment, some following corrective measures are arranged at present.A kind of measure is to increase control device in the power supply current supply circuit of electronic equipment, makes equipment be in little power consumption state under static non operating state.But the bigger problem of power consumption when still not having fine solution idle for a long time.When after powering on, being in long-term non operating state, still there is considerable power consumption as household electrical appliance such as television set, air-conditionings.
Another kind of measure is to increase mechanical contact switch in current supply circuit, when equipment is zero-power during in non operating state; When in running order, by starting contact switch to connect powered battery.But this supply power mode device volume is big, and antidetonation and poor reliability are unfavorable for transportation and storage, have influenced it and have further promoted the use of.In present wineless endoscope capsule, adopted magnetic control system dry-reed tube switch to control the power supply of its built-in system, in Product transport owing to vibrations reason, the contact point break-make that can meet accident, make capsule before use, battery electric quantity just may be consumed, and causes not having in the capsule enough energy that small intestine is implemented to check.
Summary of the invention
The objective of the invention is the problem that the supply power mode at existing electronic equipment exists in application, proposed a kind of power-supplying circuit that can be used for electronic equipment.This supply power mode is particularly suitable for having zero quiescent dissipation, simple in structure, characteristics such as volume is little, reliability height in the equipment such as household electrical appliance, mini-medical detection and therapeutic system.
The invention is characterized in that described power supply control apparatus is integrated or employing discrete device realization on the sheet, contains antenna or electromagnetic induction coil, power-supplying circuit and power supply (Vdd), wherein:
Power-supplying circuit, contain: power up circuit, signal deteching circuit, power selection circuit and digital control circuit, wherein:
The power up circuit is formed by connecting with cascade system by a plurality of multiplication of voltages unit, this power up circuit be input as the wireless AC signal that described antenna or electromagnetic induction coil are received, output is the direct voltage of amplitude stabilization;
Signal deteching circuit is composed in series by the voltage booster and the two-stage inverter shaping circuit of a plurality of cascades, and the input of this signal deteching circuit is the wireless modulated signals that described antenna or electromagnetic induction coil are received, output is baseband digital signal;
Power selection circuit is made up of two PMOS pipe and charging capacitors (C0) that are connected into the diode form separately, the source electrode of first PMOS pipe of described two PMOS pipes connects the output of power up circuit, the drain electrode of described two PMOS pipes is with after an end of described charging capacitor (C0) links to each other, constitute the output of power selection circuit, the other end ground connection of described charging capacitor (C0);
Digital control circuit is by decoding circuit, switch driving circuit, be connected in series successively with gate-controlled switch and form, the input of decoding circuit links to each other with the output of described signal deteching circuit, the output of switch driving circuit links to each other with the control end of the gate-controlled switch that is made of the zero quiescent dissipation circuit, described decoding circuit and described switch driving circuit are powered by described power selection circuit, gate-controlled switch is powered by power supply (Vdd), the output of the switching signal of gate-controlled switch simultaneously with described power selection circuit in the source electrode of second PMOS pipe, and the power input of outside main operating circuit links to each other, after gate-controlled switch is connected, the source electrode of second PMOS pipe is directly powered by power supply (Vdd) in the described power selection circuit, after gate-controlled switch disconnects, described second PMOS pipe dead electricity.
Adopt electronic equipment of the present invention, when equipment was in non operating state, gate-controlled switch was in off state, and entire equipment is a zero-power.When equipment is in the efficient working range of peripheral control unit, the external control device provides energy and data-signal for the power supply control apparatus of this electronic equipment via antenna or electromagnetic induction coil, via the conducting of digital control circuit control gate-controlled switch, energized and main operating circuit, main operating circuit is started working.After the electronic equipment of starting working is away from the external control device, still in running order in order to guarantee electronic equipment, this moment, power selection circuit can be powered by supplying cell, continue as digital control circuit power supply signal is provided, to guarantee the conducting state of control switch, main operating circuit is still in running order.
The supply power mode of power supply power supply control apparatus of the present invention has overcome the applied defect of supply power mode in the electronic equipment in the past, makes electronic equipment be zero-power under the non operating state, and has identical ability to work with former device down in working order.Thereby reached the size and the cost that reduce electronic equipment, reduced power consumption, helped purposes such as the transportation of equipment and storage again.
Description of drawings
Fig. 1 is existing active electronic equipment theory of constitution figure.
Fig. 2 is the theory of constitution figure of power supply control apparatus of the present invention.
The fundamental diagram that Fig. 3 communicates by letter with peripheral control unit for the electronic equipment that adopts apparatus of the present invention.
Fig. 4 is the power up circuit embodiments theory of constitution figure of apparatus of the present invention.
Fig. 5 is the embodiment theory of constitution figure of signal deteching circuit of the present invention.
Fig. 6 is the embodiment theory of constitution figure of power selection circuit of the present invention.
Fig. 7 is the embodiment theory of constitution figure of decoding circuit of the present invention, ON-OFF control circuit.
Embodiment
Below in conjunction with drawings and Examples, further specify the detailed structure and the operation principle of power-supplying circuit of the present invention.
The present invention design be used for household electrical appliance and mini-medical detect with the power-supplying circuit general structure of therapeutic system as shown in the frame of broken lines of Fig. 2, comprise power up circuit, power selection circuit, signal deteching circuit, decoding circuit, switch driving circuit and six element circuits of gate-controlled switch, wherein decoding circuit, switch driving circuit and gate-controlled switch are formed digital control circuit; The annexation of each element circuit is: the power up circuit links to each other with the input of power selection circuit and signal deteching circuit respectively, the output of signal deteching circuit links to each other with the input of decoding circuit, the output of power selection circuit links to each other with the input of decoding circuit, the output of decoding circuit links to each other with the input of switch driving circuit, and the output of switch driving circuit links to each other with the input of gate-controlled switch; Wherein:
Described power up circuit is used for the wireless signal that will receive into from antenna or electromagnetic induction coil and converts the direct voltage of amplitude stability to through filtering, voltage stabilizing, with the working power of this direct voltage as signal deteching circuit in the power control circuit and power selection circuit;
Described power selection circuit is used to receive the voltage signal that power up circuit and supplying cell provide, for digital control circuit and ON-OFF control circuit provide voltage source;
Described signal deteching circuit extracts useful informations such as the envelope, frequency of the wireless modulated signals that receives into from antenna or electromagnetic induction coil, obtains baseband digital signal after the processing, and transfers the signal to the decoding circuit and carry out subsequent treatment;
The signal that described decoding circuit receives from signal deteching circuit carries out digital decoding, and the operation of output signal control switch drive circuit;
Described switch driving circuit receives the control signal from decoding circuit, and the operation of control gate-controlled switch, and this drive circuit can be that voltage-type drives, and also can be that current mode drives;
Described gate-controlled switch connects supplying cell and main operating circuit, controls its switching by switch driving circuit.
Adopt power-supplying circuit of the present invention electronic equipment general structure as shown in Figure 3, comprise parts such as antenna or electromagnetic induction coil, power-supplying circuit, main operating circuit and power supply.Wherein antenna or electromagnetic induction coil are used for form of electromagnetic wave and external control device to energy and transfer of data, link to each other with main operating circuit with power-supplying circuit at device interior; Power-supplying circuit receives energy and the data-signal from antenna or electromagnetic induction coil, also receives the energy of power supply simultaneously when work, and the switching of its control gate-controlled switch determines main operating circuit to be in work clothes attitude or non operating state; Main operating circuit is used to receive energy and the data-signal from antenna or electromagnetic induction coil, and the useful information of internal reservoir is sent via antenna or electromagnetic induction coil; Power supply links to each other with gate-controlled switch, is used to main operating circuit power supply.
Each embodiment of circuit among the present invention is respectively described below:
Power up circuit embodiments structure of the present invention as shown in Figure 4, it is formed by connecting with cascade system by a plurality of multiplication of voltages unit, and each multiplication of voltage unit (as each element in the frame of broken lines among the figure) formed by upper and lower two capacitor C and former and later two metal-oxide-semiconductors that are connected into the diode form; The annexation of each element in each multiplication of voltage unit is: the drain electrode of preceding metal-oxide-semiconductor, gate short link to each other with the output of previous multiplication of voltage unit as the input of this multiplication of voltage unit, the drain electrode of back metal-oxide-semiconductor, gate short are connected with the source electrode of preceding metal-oxide-semiconductor, and the source electrode of back metal-oxide-semiconductor links to each other with the input of a back multiplication of voltage unit as the output of this multiplication of voltage unit; Should go up a termination antenna of electric capacity, the tie point of described two metal-oxide-semiconductors of another termination; The output of one termination multiplication of voltage unit of this time electric capacity, other end ground connection.
This power up circuit is used for the radiofrequency signal than low amplitude that receives into from antenna is converted to the direct voltage of amplitude stabilization.When circuit reached stable state, the relation between the amplitude Vp of output voltage V out and input signal was explained by following formula: V
Out=N (V
p-V
d), V wherein
dBe the threshold voltage of metal-oxide-semiconductor, N is the number of multiplication of voltage unit.
Signal deteching circuit example structure of the present invention is made up of voltage booster and two-stage inverter shaping circuit as shown in Figure 5.Wherein the booster circuit (shown in frame of broken lines I) of M1-M6, C1-C6 composition is identical with the multiplication of voltage cellular construction of cascade shown in Figure 4, and its annexation no longer describes in detail.M7-M11 has formed two-stage inverter shaping circuit (shown in frame of broken lines II), and its annexation is: the grid of M7, drain short circuit connect the M8 source electrode, and the M7 source electrode connects power supply (Vdd); The grid of M8, M9, drain electrode link to each other respectively separately, and its grid meets the output N1 of booster circuit; The source ground of M9; The source electrode of M10 connects power supply (Vdd), and the M10 grid links to each other with the grid of M11, and is connected to the drain terminal of M8, M9; The source ground of M11, its drain electrode links to each other as output interface with M10 drain electrode, and the signal of demodulation is sent to the next stage circuit.
Above-mentioned signal deteching circuit is used to extract the useful information of the wireless modulated signals that receives into from antenna, obtains baseband digital signal after treatment, and transfers the signal to the decoding circuit and carry out subsequent treatment.Its boost circuit structure is identical with above-mentioned power up circuit structure, and is just different on concrete parameter.Traditional diode envelope detection is adopted in the detection of being carried out after boosting.Afterbody filter capacitor C
6Very little, to improve the time domain specification of restituted signal.M
7-M
11Constitute two-stage inverter shaping circuit, M7 can regulate the threshold value of first order inverter and reduce power consumption.
Power selection circuit example structure of the present invention as shown in Figure 6.It is made up of the PMOS pipe and the charging capacitor C0 that are connected into two diode forms separately.From the power supply leading-in end of power up circuit and main operating circuit, this two-way direct voltage all can charge to big capacitor C 0 the two-way power supply respectively, for the operate as normal of digital control circuit provides supply voltage.
Digital control circuit example structure of the present invention as shown in Figure 7.It is composed in series by decoding circuit, switch driving circuit and gate-controlled switch K.Decoding circuit can realize that key is to satisfy the logical relation of setting by conventional digital simulation software; Be that decoding circuit at first carries out digital decoding to the control command of signal deteching circuit output, what judgement will be carried out is to be communicated with or cut-off signals, exports corresponding high and low level to switch driving circuit then.For example when control command was " 1001 ", digital decoding was a high level, by the conducting of drive circuit control switch; When control command was " 0110 ", digital decoding was a low level, turn-offed by the drive circuit control switch.Switch driving circuit can be driven or current drives, and it sends drive signal, the switching of control gate-controlled switch; Gate-controlled switch K can be realized that belong to common process, the one end connects supplying cell by zero quiescent dissipation circuit such as mems switches, and the other end connects main operating circuit.
The course of work of whole power-supplying circuit is: when electronic equipment was in non operating state, gate-controlled switch was in off-state, and the power consumption of whole system circuit is zero; When it is positioned at the efficient working range of external control device, electronic equipment at first receives energy and the command signal that the external control device provides by antenna or electromagnetic induction coil with induction mode, and the action by digital units, start the gate-controlled switch that connects main operating circuit and main power source, make winner's operating circuit energized, start working; After the electronic equipment of starting working is away from the external control device, still in running order for assurance equipment, this moment, power selection circuit can be powered by supplying cell, continues as decoding circuit power supply signal is provided, to guarantee the conducting state of control switch, main operating circuit is still in running order.
Claims (2)
1, wireless type zero quiescent dissipation power supply controller is characterized in that, described power supply control apparatus is integrated or employing discrete device realization on the sheet, contains antenna or electromagnetic induction coil, power-supplying circuit and power supply (Vdd), wherein:
Power-supplying circuit, contain: power up circuit, signal deteching circuit, power selection circuit and digital control circuit, wherein:
The power up circuit is formed by connecting with cascade system by a plurality of multiplication of voltages unit, this power up circuit be input as the wireless AC signal that described antenna or electromagnetic induction coil are received, output is the direct voltage of amplitude stabilization;
Signal deteching circuit is composed in series by the booster circuit and the two-stage inverter shaping circuit of a plurality of cascades, and the input of this signal deteching circuit is the wireless modulated signals that described antenna or electromagnetic induction coil are received, output is baseband digital signal;
Power selection circuit is made up of two PMOS pipe and charging capacitors (C0) that are connected into the diode form separately, the source electrode of first PMOS pipe of described two PMOS pipes connects the output of power up circuit, the source electrode of second PMOS pipe connects power supply (Vdd), the drain electrode of described two PMOS pipes is with after an end of described charging capacitor (C0) links to each other, constitute the output of power selection circuit, the other end ground connection of described charging capacitor (C0);
Digital control circuit is by decoding circuit, switch driving circuit, be connected in series successively with gate-controlled switch and form, the input of decoding circuit links to each other with the output of described signal deteching circuit, the output of switch driving circuit links to each other with the control end of the gate-controlled switch that is made of the zero quiescent dissipation circuit, described decoding circuit and described switch driving circuit are powered by described power selection circuit, gate-controlled switch is powered by power supply (Vdd), the output of the switching signal of gate-controlled switch simultaneously with described power selection circuit in the source electrode of second PMOS pipe, and the power input of outside main operating circuit links to each other, after gate-controlled switch is connected, the source electrode of second PMOS pipe is directly powered by power supply (Vdd) in the described power selection circuit, after gate-controlled switch disconnects, described second PMOS pipe dead electricity.
2, wireless type zero quiescent dissipation power supply controller according to claim 1, it is characterized in that, multiplication of voltage unit in the described power up circuit and the booster circuit in the signal deteching circuit all are connected into metal-oxide-semiconductor and two electric capacity the diode form, series connection successively by two and constitute, being connected in series a little of the drain electrode of the source electrode of first metal-oxide-semiconductor and second metal-oxide-semiconductor in described two metal-oxide-semiconductors connects the output of antenna output end or electromagnetic induction coil through first electric capacity in two electric capacity; The drain electrode of first metal-oxide-semiconductor constitutes the input of multiplication of voltage at the corresponding levels unit or booster circuit; The source electrode of second metal-oxide-semiconductor constitutes the output of multiplication of voltage at the corresponding levels unit or booster circuit, and second capacity earth in two electric capacity at the corresponding levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101184746A CN100492852C (en) | 2007-07-06 | 2007-07-06 | Wireless type zero quiescent dissipation power supply controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007101184746A CN100492852C (en) | 2007-07-06 | 2007-07-06 | Wireless type zero quiescent dissipation power supply controller |
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| CN101119075A CN101119075A (en) | 2008-02-06 |
| CN100492852C true CN100492852C (en) | 2009-05-27 |
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| CNB2007101184746A Expired - Fee Related CN100492852C (en) | 2007-07-06 | 2007-07-06 | Wireless type zero quiescent dissipation power supply controller |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011133119A2 (en) * | 2010-04-22 | 2011-10-27 | National Science And Technology Development Agency | System with zero power standby mode for controlling electric apparatus |
| CN101963789B (en) * | 2010-09-02 | 2012-10-17 | 常州市凯迪电器有限公司 | Standby zero power consumption switch control system |
| JP6197442B2 (en) * | 2013-07-26 | 2017-09-20 | 三菱電機株式会社 | Semiconductor device drive circuit |
| CN105846478B (en) * | 2015-01-12 | 2018-04-17 | 上海理工大学 | The energy management module of formula electronic capsule can be swallowed |
| CN109857180B (en) * | 2017-11-27 | 2020-12-15 | 华为终端有限公司 | Control method and equipment of power supply system |
| CN109059196B (en) * | 2018-08-07 | 2020-11-17 | 六安市同心畅能电子科技有限公司 | Wall-mounted air conditioner zero-power-consumption standby intelligent power line |
| CN109917133B (en) * | 2019-03-28 | 2022-07-12 | 三诺生物传感股份有限公司 | Low-power-consumption glucometer controlled by magnetic control switch and control method thereof |
| WO2021077309A1 (en) * | 2019-10-22 | 2021-04-29 | Neutron Holdings, Inc. | Auxiliary controller for controlling battery assembly |
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