CN113437989B - Battery transceiver supporting zero standby power consumption or low voltage and working method - Google Patents
Battery transceiver supporting zero standby power consumption or low voltage and working method Download PDFInfo
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- CN113437989B CN113437989B CN202110676330.2A CN202110676330A CN113437989B CN 113437989 B CN113437989 B CN 113437989B CN 202110676330 A CN202110676330 A CN 202110676330A CN 113437989 B CN113437989 B CN 113437989B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a battery transceiver supporting zero standby power consumption or low voltage and a working method thereof.A data receiving and sending unit comprises a line driving interface unit and an external port; the power management unit comprises a rectifying module, a diode D1, a diode D2, a filter capacitor, a load resistor, a low-voltage locking module, a power management module and a high-frequency clock generator; the battery transceiver receives all '1' data sent by the upper computer, outputs a voltage lower than V1, and generates a voltage Vdd after passing through a filter capacitor and a load resistor; the power management module starts to generate voltage to the high-frequency clock generator, the high-frequency clock is generated to control the booster circuit to work, and the booster circuit works to output the voltage V2 higher than V1; the power management module generates voltage to supply power to the line driving interface unit, and the line driving interface unit works normally; the line driving interface unit transmits all '1' data to the next-stage battery transceiver through the external port. The low-voltage single battery or low-power consumption application is realized, and the standby power consumption is extremely low.
Description
Technical Field
The invention relates to the technical field of battery transceivers, in particular to a battery transceiver supporting zero standby power consumption and a working method thereof.
Background
In the application of the single battery, because the voltage of the single battery cell is low, even the traditional cobalt lithium battery has a working state with lower voltage, the normal working is required to be carried out in the lower voltage state, the circuit design difficulty and the cost are increased, or the static power consumption is very large.
Disclosure of Invention
The invention aims to provide a battery transceiver supporting zero standby power consumption or low voltage and a working method thereof, so that the application of a low-voltage single battery is realized, and the standby power consumption is extremely low.
The invention adopts the following technical scheme for realizing the aim of the invention:
the invention provides a battery transceiver supporting zero standby power consumption or low voltage, which comprises a data receiving and sending unit and a power management unit;
the data receiving and sending unit comprises a line driving interface unit and an external port;
the power management unit comprises a rectifying module, a diode D1, a diode D2, a filter capacitor, a load resistor, a low-voltage locking module, a power management module and a high-frequency clock generator;
the battery transceiver receives all '1' data sent by the upper computer, generates a voltage V1 through the rectifying module, outputs a voltage lower than V1 through the diode D1, and generates a voltage Vdd after passing through the filter capacitor and the load resistor;
when the low-voltage locking module detects that the voltage Vdd rises and the release circuit is locked, the bias circuit in the battery transceiver is started;
the power management module starts to generate voltage to the high-frequency clock generator, the high-frequency clock is generated to control the booster circuit to work, the booster circuit works to generate voltage V2 higher than V1, and the voltage V2 is output through a diode D2;
the power management module generates voltage to supply power to the line driving interface unit, and the line driving interface unit works normally and is used for receiving and sending data;
after the power management works normally, the line driving interface unit sends all '1' data to the next-stage battery transceiver through the external port.
Furthermore, the battery transceiver also comprises a battery information acquisition unit, wherein the battery information acquisition unit comprises a battery information acquisition channel gate, a high-precision ADC, a filter and a storage unit;
the battery information acquisition channel gate is used for acquiring battery information;
the high-precision ADC and the filter are used for processing the battery information acquired by the battery information acquisition channel gate;
the storage unit is used for storing the high-precision ADC, the battery information processed by the filter and data sent by a system cascade preceding stage.
Further, the power management module can generate 3.3V voltage or 5V voltage.
The invention provides a working method of a battery transceiver supporting zero standby power consumption or low voltage, which comprises the following steps:
when the system is closed, the battery transceiver does not work;
when the system is started, the front-stage battery transceiver receives all '1' data sent by the upper computer, outputs a voltage V1 through the rectifying module, outputs a voltage lower than V1 through the diode D1, and generates a voltage Vdd through the filter capacitor and the load resistor;
when the low-voltage locking module detects that the voltage Vdd is increased to be higher than a certain threshold value, the circuit is unlocked, and a bias circuit in the battery transceiver is started;
the power management module starts to generate voltage to the high-frequency clock generator, the high-frequency clock is generated to control the booster circuit to work, the booster circuit works to generate voltage V2 higher than V1, and the voltage V2 is output through a diode D2;
the power management module generates voltage to supply power to the line driving interface unit, and the line driving interface unit works normally to receive and send data;
after the power management module works normally, the line driving interface unit sends all '1' data to the next-stage battery transceiver through the external port;
when the upper computer receives all '1' data, the battery transceiver units in the data link are judged to be normally started, the upper computer starts to send commands and data through the isolation transceiver, and the upper computer does not send all '1' data any more;
and when the set time of the battery transceiver does not receive all '1' data, automatically closing the working module and entering a low power consumption mode.
Furthermore, the upper computer comprises an upper computer module and a transceiver supporting isolated communication, and the upper computer module is a single chip or a special chip or a programmable device.
The invention has the beneficial effects that:
the low-voltage single battery is applied, and the standby power consumption is extremely low.
Drawings
Fig. 1 is a system architecture diagram of a battery transceiver supporting zero standby power consumption or low voltage according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a single cell transceiver supporting zero standby power consumption or low voltage according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a multi-cell series battery transceiver supporting zero standby power consumption or low voltage according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
referring to fig. 1, fig. 2, and fig. 3, the present embodiment provides a battery transceiver supporting zero standby power consumption or low voltage, including a battery information collecting unit, a data receiving and sending unit, and a power management unit;
the battery information acquisition unit comprises a battery information acquisition channel gate, a high-precision ADC, a filter and a storage unit; the battery information acquisition channel gate is used for acquiring battery information; the high-precision ADC and the filter are used for processing the battery information acquired by the battery information acquisition channel gate; the storage unit is used for storing the battery information processed by the high-precision ADC and the filter.
The data receiving and sending unit comprises a line driving interface unit and external ports IsoRx, Tx; the external port IsoRx, Tx is used for an impedance matching resistor and an isolation capacitor of a receiving part; the line driving interface unit is used for cascade connection between the battery transceivers.
The power management unit comprises a rectifying module, a diode D1, a diode D2, a filter capacitor, a load resistor, a low-voltage locking module, a power management module and a high-frequency clock generator; the battery transceiver receives data sent by the upper computer, generates voltage V1 through the rectifying module, outputs the voltage through the diode D1, and generates voltage Vdd after passing through the filter capacitor and the load resistor; when the low-voltage locking module detects that the voltage Vdd rises and releases the locking of the circuit, the bias circuit in the battery transceiver starts, the power management module starts to generate 3.3V voltage to the high-frequency clock generator firstly, the high-frequency clock is generated to control the work of the booster circuit, and the booster circuit works to generate voltage V2 which is output through a diode D2; the booster circuit works stably, the power management module generates 5V + voltage to supply power to the line driving interface unit, and the line driving interface unit works normally and is used for receiving and sending data.
The embodiment provides an operating method of a cascaded battery transceiver supporting zero standby power consumption or low voltage, which includes:
when the system is closed, all modules of the battery transceiver do not work, and no power consumption exists;
when the system is started, the front-stage battery transceiver receives data all '1' sent by the upper computer, outputs a voltage lower than V1 through the rectifying module and the diode D1, and generates a voltage Vdd after passing through the filter capacitor and the load resistor;
when the low-voltage locking module detects that the voltage Vdd rises and the release circuit is locked, the bias circuit in the battery transceiver is started;
the power management module starts to generate voltage to the high-frequency clock generator, the high-frequency clock is generated to control the booster circuit to work, and the booster circuit works and outputs voltage V2 higher than V1 through a diode D2;
the booster circuit works stably, the power management module generates voltage to supply power to the line driving interface unit, and the line driving interface unit works normally and is used for receiving and sending data;
while s1 "on", Rx receives data, transmits all "1" data to the next battery transceiver through Tx;
when the upper computer receives all '1' data, the battery transceiver units in the data link are judged to be normally started, and the upper computer starts to send commands and data through the isolation transceiver instead of sending all '1' data.
When the set time of the battery transceiver does not receive data, the working module is automatically closed, and the low power consumption mode is entered
The bias circuit can use the voltage of the battery cell, and can switch to the voltage of Vdd if the voltage of a single battery cell is very low.
The method for sending the data by the upper computer comprises the steps that the upper computer is started, and the full '1' data is sent through the isolation communication transceiver, wherein the data format is an alternate inversion code or a coding form with a direct current component of 0.
The upper computer comprises an upper computer module and a transceiver supporting isolated communication, wherein the upper computer module is a single chip microcomputer or a special chip or a programmable device.
The high frequency clock generator generates a high frequency clock, which may be a crystal oscillator, or a frequency multiplication of an RC oscillator and possibly a PLL phase locked loop, generating a single or multi-phase clock as required by the DCDC/charge pump.
D1/D2 is the function of a single-wire diode OR, namely Vdd uses higher voltage of v1 and v2 as working voltage, D1 is directly removed, and D2 and a rectifier are directly OR;
the switch S1 is in an 'off' state when the system is started, the matching impedance does not work, and the filter capacitor and the load resistor are used as the 'load' of the front-stage transceiver;
the equalization resistor Rb is connected across Vdd instead of the load cell, and has a larger equalization current.
While the preferred embodiments of the present invention have been illustrated and described, it will be appreciated that the invention may be embodied otherwise than as specifically described and that equivalent alterations and modifications, which may be effected thereto by those skilled in the art without departing from the spirit of the invention, are deemed to be within the scope and spirit of the invention.
Claims (5)
1. A battery transceiver supporting zero standby power consumption or low voltage is characterized by comprising a data receiving and sending unit and a power management unit;
the data receiving and sending unit comprises a line driving interface unit and an external port;
the power management unit comprises a rectifying module, a diode D1, a diode D2, a filter capacitor, a load resistor, a low-voltage locking module, a power management module and a high-frequency clock generator;
the battery transceiver receives all '1' data sent by the upper computer, the data format of all '1' data is an alternate inversion code or a coding form with a direct current component of 0, voltage V1 is output through the rectifying module, voltage lower than V1 is output after the voltage V8932 is output through the diode D1, and voltage Vdd is generated after the voltage Vdd passes through the filter capacitor and the load resistor;
when the low-voltage locking module detects that the voltage Vdd rises above a certain threshold value, the circuit is unlocked, and the bias circuit in the battery transceiver is started;
the power management module starts to generate voltage to the high-frequency clock generator, the high-frequency clock is generated to control the booster circuit to work, the booster circuit works to generate voltage V2 higher than V1, and the voltage V2 is output through a diode D2;
the power management module generates voltage to supply power to the line driving interface unit, and the line driving interface unit works normally and is used for receiving and sending data;
after the power management module works normally, the line driving interface unit sends all '1' data to the next-stage battery transceiver through the external port.
2. The battery transceiver supporting zero standby power consumption or low voltage according to claim 1, further comprising a battery information acquisition unit, wherein the battery information acquisition unit comprises a battery information acquisition channel gate, a high-precision ADC, a filter, and a storage unit;
the battery information acquisition channel gate is used for acquiring battery information;
the high-precision ADC and the filter are used for processing the battery information acquired by the battery information acquisition channel gate;
the storage unit is used for storing the high-precision ADC, the battery information processed by the filter and data sent by a system cascade preceding stage.
3. The battery transceiver supporting zero standby power consumption or low voltage as claimed in claim 1 or 2, wherein the power management module is capable of generating 3.3V voltage or 5V voltage.
4. A method of operating a cascaded battery transceiver that supports zero standby power or low voltage, the method comprising:
when the system is closed, the battery transceiver does not work;
when the system is started, the front-stage battery transceiver receives all '1' data sent by the upper computer, the data format of the all '1' data is an alternate inversion code or a coding form with a direct current component of 0, voltage V1 is output through the rectifying module, voltage lower than V1 is output after the voltage V1 is output through the diode D1, and voltage Vdd is generated after the voltage V passes through the filter capacitor and the load resistor;
when the low-voltage locking module detects that the voltage Vdd rises above a certain threshold value, the circuit is unlocked, and the bias circuit in the battery transceiver is started;
the power management module starts to generate voltage to the high-frequency clock generator, the high-frequency clock is generated to control the booster circuit to work, the booster circuit works to generate voltage V2 higher than V1, and the voltage V2 is output through a diode D2;
the power management module generates voltage to supply power to the line driving interface unit, and the line driving interface unit works normally to receive and send data;
after the power management module works normally, the line driving interface unit sends all '1' data to the next-stage battery transceiver through the external port;
when the upper computer receives all '1' data, the battery transceiver units in the data link are judged to be normally started, the upper computer starts to send commands and data through the isolation transceiver, and the upper computer does not send all '1' data any more;
and when the set time of the battery transceiver does not receive all '1' data, automatically closing the working module and entering a low power consumption mode.
5. The method as claimed in claim 4, wherein the upper computer comprises an upper computer module and a transceiver supporting isolated communication, and the upper computer module is selected from a single chip microcomputer, a dedicated chip or a programmable device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110676330.2A CN113437989B (en) | 2021-06-18 | 2021-06-18 | Battery transceiver supporting zero standby power consumption or low voltage and working method |
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| CN202110676330.2A CN113437989B (en) | 2021-06-18 | 2021-06-18 | Battery transceiver supporting zero standby power consumption or low voltage and working method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103000964A (en) * | 2012-12-04 | 2013-03-27 | 博科能源系统(深圳)有限公司 | Controller of battery management system |
| CN103199710A (en) * | 2013-04-01 | 2013-07-10 | 上海师范大学 | Low-power consumption standby switching power source |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359418C (en) * | 2004-07-05 | 2008-01-02 | 周先谱 | Zero-power-consumption standby power supply control device |
| CN100495805C (en) * | 2005-04-18 | 2009-06-03 | 万向电动汽车有限公司 | Method for forming battery running system of electric vehicle and system |
| CN104298147A (en) * | 2014-09-01 | 2015-01-21 | 上海大唐移动通信设备有限公司 | Power management device and method |
| CN210608605U (en) * | 2019-10-11 | 2020-05-22 | 联方云天科技(珠海)有限公司 | Low-voltage battery system |
| EP3944479A1 (en) * | 2020-07-20 | 2022-01-26 | Globe (Jiangsu) Co., Ltd. | Starting circuit of switching power supply |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000964A (en) * | 2012-12-04 | 2013-03-27 | 博科能源系统(深圳)有限公司 | Controller of battery management system |
| CN103199710A (en) * | 2013-04-01 | 2013-07-10 | 上海师范大学 | Low-power consumption standby switching power source |
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Effective date of registration: 20221124 Address after: Room 1901, building 19, Jianghai Jiayuan, No. 69, Jiangtong Road, Chongchuan District, Nantong City, Jiangsu Province, 226000 Patentee after: Jiangsu Yimei Xinsi New Energy Technology Co.,Ltd. Address before: 215347 R1101, 1699 Zuchongzhi South Road, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Hou Xiaohua |
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