CN107310495B - UPS vehicle-mounted power supply method and circuit - Google Patents
UPS vehicle-mounted power supply method and circuit Download PDFInfo
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- CN107310495B CN107310495B CN201610270376.3A CN201610270376A CN107310495B CN 107310495 B CN107310495 B CN 107310495B CN 201610270376 A CN201610270376 A CN 201610270376A CN 107310495 B CN107310495 B CN 107310495B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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Abstract
The invention provides a vehicle-mounted power supply method and a circuit of an Uninterrupted Power Supply (UPS), comprising the following steps: when a starting trigger signal is received, converting a voltage signal provided by a vehicle body storage battery into a voltage signal matched with vehicle-mounted equipment after a preset first time period, and continuously supplying power to the vehicle-mounted equipment and charging a UPS storage battery through the converted voltage signal; when a stop trigger signal is received, the vehicle-mounted equipment is continuously supplied with power through the converted voltage signal within a preset second time period, and meanwhile, the vehicle-mounted equipment is continuously supplied with power through the UPS storage battery; so, can realize the uninterrupted power supply to the mobile unit firmly to high pressure and heavy current in the twinkling of an eye to the impact problem of mobile unit when having solved mobile unit through the start-up delay and having solved the problem of the power failure of the motor of starting in the mobile unit short time through the shutdown delay.
Description
Technical Field
The invention relates to a vehicle-mounted Power Supply technology in the field of automobile accessories, in particular to a vehicle-mounted Power Supply method and circuit of an Uninterruptible Power Supply (UPS).
Background
An Uninterruptible Power Supply (UPS) is a system device which connects a storage battery with a host and converts direct current into commercial power through module circuits such as a host inverter and the like. The power supply device is mainly used for providing stable and uninterrupted power supply for a single computer, a computer network system or other power electronic equipment such as an electromagnetic valve, a pressure transmitter and the like. When the mains supply input is normal, the UPS supplies the mains supply to the load for use after stabilizing the voltage of the mains supply, and the UPS is an alternating current mains supply voltage stabilizer and also charges a built-in battery; when the commercial power is interrupted (power failure in an accident), the UPS immediately supplies the direct current electric energy of the battery to the load by an inversion zero switching conversion method to continuously supply 220V alternating current to the load, so that the load keeps normal work and protects the software and hardware of the load from being damaged. UPS devices typically provide protection against either excessive voltage or insufficient voltage.
At present, a UPS power supply technology is widely applied to automobile equipment, uninterrupted power supply to vehicle-mounted equipment is realized through the UPS power supply technology, but the existing UPS power supply technology cannot stably realize uninterrupted power supply to the vehicle-mounted equipment; in addition, when the existing UPS power supply technology supplies power to the vehicle-mounted equipment, the problem of impact of instantaneous high voltage and large current on the equipment when the motor is turned on exists when the power supply is started, and the problem of turning on the motor for power failure in a short time exists when the power supply is turned off.
Therefore, a UPS vehicle-mounted power supply circuit is needed at present to realize stable uninterrupted power supply to vehicle-mounted equipment, solve the problem of impact of instantaneous high voltage and large current on automobile equipment when a motor is started during power supply starting, and solve the problem of power failure when the motor is started within a short time during power supply shutdown.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a UPS on-board power supply method and circuit, which can stably realize uninterrupted power supply to an on-board device, and solve the problem of impact of instantaneous high voltage and large current on the on-board device when the on-board device is powered on by a start-up delay, and the problem of powering off the on-board device when the on-board device is powered off for a short time by a shutdown delay.
In order to achieve the above objects and other related objects, the technical solution of the present invention is achieved as follows:
the invention provides a UPS vehicle-mounted power supply method, which comprises the following steps:
when a starting trigger signal is received, converting a voltage signal provided by a vehicle body storage battery into a voltage signal matched with vehicle-mounted equipment after a preset first time period, and continuously supplying power to the vehicle-mounted equipment and charging a UPS storage battery through the converted voltage signal;
when the stop trigger signal is received, the converted voltage signal continuously supplies power to the vehicle-mounted equipment within a preset second time period, and meanwhile, the UPS storage battery continuously supplies power to the vehicle-mounted equipment.
Preferably, the method further comprises:
when the UPS storage battery is continuously charged through the converted voltage signal, detecting whether the voltage value of the UPS storage battery is larger than a preset first voltage threshold value or not; when the voltage value of the UPS storage battery is detected to be larger than a preset first voltage threshold value, the UPS storage battery is stopped from being continuously charged through the converted voltage signal; and/or the presence of a gas in the gas,
when the UPS storage battery continuously supplies power to the vehicle-mounted equipment, detecting whether the voltage value of the UPS storage battery is smaller than a preset second voltage threshold value; when the voltage value of the UPS storage battery is detected to be smaller than a preset second voltage threshold value, the UPS storage battery stops continuously supplying power to the vehicle-mounted equipment;
wherein the first voltage threshold is greater than the second voltage threshold.
Preferably, the method further comprises:
sampling the converted voltage signal, and detecting whether the voltage value of the voltage signal obtained by sampling can meet the power supply requirement of the vehicle-mounted equipment;
when the voltage value of the voltage signal obtained by sampling is detected not to meet the power supply requirement of the vehicle-mounted equipment, the converted voltage signal is used for continuously supplying power to the vehicle-mounted equipment and simultaneously supplying power to the vehicle-mounted equipment through the UPS storage battery.
Preferably, the voltage value of the voltage signal provided by the vehicle body storage battery is 8-30V, and the voltage value of the converted voltage signal is 5V or 14V.
Preferably, the start trigger signal is a trigger signal when the ACC gear is started, and the stop trigger signal is a trigger signal when the ACC gear is disconnected.
According to the above method, an embodiment of the present invention further provides a UPS vehicle-mounted power supply circuit, where the circuit includes:
a UPS battery;
the delay control circuit is used for starting the voltage conversion control circuit after a preset first time period when receiving the starting trigger signal; when a stop trigger signal is received, sending a control signal to the voltage conversion control circuit, and disconnecting the voltage conversion control circuit from the vehicle-mounted equipment and disconnecting the UPS storage battery from the vehicle-mounted equipment after a preset second time period;
the voltage conversion control circuit is used for converting a voltage signal provided by the vehicle body storage battery into a voltage signal matched with the vehicle-mounted equipment when the vehicle-mounted equipment is started, and continuously supplying power to the vehicle-mounted equipment and charging the UPS storage battery through the converted voltage signal; when the control signal of the delay control circuit is received, the converted voltage signal continuously supplies power to the vehicle-mounted equipment within a preset second time period, and meanwhile, the UPS storage battery continuously supplies power to the vehicle-mounted equipment.
Preferably, the circuit further comprises:
the UPS charging control circuit is used for detecting whether the voltage value of the UPS storage battery is larger than a preset first voltage threshold value or not when the voltage conversion control circuit continuously charges the UPS storage battery through the converted voltage signal; when the voltage value of the UPS storage battery is detected to be larger than a preset first voltage threshold value, the UPS storage battery is stopped from being continuously charged through the converted voltage signal; and/or the presence of a gas in the gas,
the UPS discharging control circuit is used for detecting whether the voltage value of the UPS storage battery is smaller than a preset second voltage threshold value or not when the UPS storage battery continuously supplies power to the vehicle-mounted equipment; when the voltage value of the UPS storage battery is detected to be smaller than a preset second voltage threshold value, the UPS storage battery stops continuously supplying power to the vehicle-mounted equipment;
wherein the first voltage threshold is greater than the second voltage threshold.
Preferably, the circuit further comprises:
the voltage signal sampling control circuit is used for sampling the converted voltage signal and detecting whether the voltage value of the sampled voltage signal can meet the power supply requirement of the vehicle-mounted equipment; when the voltage value of the voltage signal obtained by sampling is detected not to meet the power supply requirement of the vehicle-mounted equipment, the converted voltage signal is used for continuously supplying power to the vehicle-mounted equipment and simultaneously supplying power to the vehicle-mounted equipment through the UPS storage battery.
Preferably, the voltage value of the voltage signal provided by the vehicle body storage battery is 8-30V, and the voltage value of the converted voltage signal is 5V or 14V.
Preferably, the start trigger signal is a trigger signal when the ACC gear is started, and the stop trigger signal is a trigger signal when the ACC gear is disconnected.
As described above, in the embodiment of the present invention, when the start trigger signal is received, the voltage signal provided by the vehicle body storage battery is converted into the voltage signal matched with the vehicle-mounted device after the preset first time period, and the converted voltage signal is used to continuously supply power to the vehicle-mounted device and charge the UPS storage battery; when a stop trigger signal is received, the vehicle-mounted equipment is continuously supplied with power through the converted voltage signal within a preset second time period, and meanwhile, the vehicle-mounted equipment is continuously supplied with power through the UPS storage battery; therefore, the embodiment of the invention can realize double power supply control on the vehicle-mounted equipment, thereby stably realizing uninterrupted power supply on the vehicle-mounted equipment; in addition, the problem of impact of instantaneous high voltage and large current on the automobile equipment when the automobile equipment is started is solved through starting delay, and the problem of power failure when the automobile equipment is started in a short time is solved through shutdown delay.
Drawings
Fig. 1 is a schematic flow chart of a UPS vehicle-mounted power supply method according to the present invention.
Fig. 2 is a schematic structural diagram of a UPS vehicle-mounted power supply circuit according to the present invention.
Description of the element reference numerals
Standard UPS vehicle-mounted power supply circuit
200 UPS accumulator
201 delay control circuit
202 voltage conversion control circuit
203 UPS charging control circuit
204 UPS discharge control circuit
205 voltage signal sampling control circuit
S100 to S101
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
The following further describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1, the present invention provides a UPS vehicle-mounted power supply method, including:
step S100: when a starting trigger signal is received, converting a voltage signal provided by a vehicle body storage battery into a voltage signal matched with vehicle-mounted equipment after a preset first time period, and continuously supplying power to the vehicle-mounted equipment and charging a UPS storage battery through the converted voltage signal;
in this step, the voltage value of the voltage signal provided by the vehicle body storage battery is usually 8-30V, the voltage signal provided by the vehicle body storage battery is converted into a voltage signal matched with the vehicle-mounted equipment to provide a voltage signal for supplying power to the vehicle-mounted equipment, and the voltage value of the converted voltage signal is usually 5V or 14V.
In this step, the start trigger signal may be a trigger signal when starting an ACC gear of the vehicle body, and when the user wants to supply power to the vehicle-mounted device, the user starts the ACC gear of the vehicle body, and at this time, the start trigger signal is triggered and sent; when a starting trigger signal is received, power supply is not started immediately, a voltage signal provided by a vehicle body storage battery is converted into a voltage signal matched with the vehicle-mounted equipment after a preset first time period is delayed, the converted voltage signal is used for continuously supplying power to the vehicle-mounted equipment and charging the UPS storage battery, and therefore the problem of impact of instantaneous high voltage and large current on the vehicle equipment when the vehicle equipment is started is solved.
In this step, the preset first time period may be set according to an actual situation, where the preset first time period is not specifically limited, and preferably, the preset first time period is 5 to 10 seconds.
Step S101: when the stop trigger signal is received, the converted voltage signal continuously supplies power to the vehicle-mounted equipment within a preset second time period, and meanwhile, the UPS storage battery continuously supplies power to the vehicle-mounted equipment.
In this step, the stop trigger signal may be a trigger signal when the ACC gear of the vehicle body is disconnected, and when the user stops supplying power to the vehicle-mounted device, the user closes the ACC gear of the vehicle body, and at this time, the stop trigger signal is triggered and sent; when a stop trigger signal is received, the converted voltage signal is not immediately stopped, the UPS storage battery continuously supplies power to the vehicle-mounted equipment, but the converted voltage signal is stopped after a preset second time period is delayed, and the UPS storage battery continuously supplies power to the vehicle-mounted equipment, so that the problem that the motor is turned on and the power is cut off in a short time of the vehicle equipment is solved.
In this step, the preset second time period may be set according to actual conditions, where the preset second time period is not specifically limited, and preferably, the preset second time period is 10 minutes.
Further, when the UPS storage battery is continuously charged through the converted voltage signal, whether the voltage value of the UPS storage battery is larger than a preset first voltage threshold value is detected; when the voltage value of the UPS storage battery is detected to be larger than a preset first voltage threshold value, the UPS storage battery is stopped from being continuously charged through the converted voltage signal; when the voltage value of the UPS storage battery is detected to be smaller than or equal to a preset first voltage threshold value, the UPS storage battery is continuously charged through the converted voltage signal; and/or the presence of a gas in the gas,
when the UPS storage battery continuously supplies power to the vehicle-mounted equipment, detecting whether the voltage value of the UPS storage battery is smaller than a preset second voltage threshold value; when the voltage value of the UPS storage battery is detected to be smaller than a preset second voltage threshold value, the UPS storage battery stops continuously supplying power to the vehicle-mounted equipment; and when the voltage value of the UPS storage battery is detected to be larger than or equal to a preset second voltage threshold value, the UPS storage battery continues to supply power to the vehicle-mounted equipment.
The first voltage threshold is greater than the second voltage threshold, and the first voltage threshold and the second voltage threshold are set according to actual conditions, and the first voltage threshold may be set as an upper limit voltage value of the UPS storage battery supply voltage, and the second voltage threshold may be set as a lower limit voltage value of the UPS storage battery supply voltage, where specific values of the first voltage threshold and the second voltage threshold are not specifically limited.
In the embodiment of the invention, when the UPS storage battery continuously supplies power to the vehicle-mounted equipment and the voltage value of the UPS storage battery is detected to be larger than the preset first voltage threshold value, the converted voltage signal is stopped to continuously charge the UPS storage battery, so that the UPS storage battery is accurately judged according to the voltage value of the UPS storage battery, the damage of the UPS storage battery caused by overcharging is avoided, and the purpose of prolonging the service life of the UPS storage battery is achieved; through the UPS battery lasts for during the mobile unit power supply, detect when the magnitude of voltage of UPS battery is less than predetermined second voltage threshold, stop to pass through the UPS battery lasts for the mobile unit power supply can avoid the UPS battery to damage because of excessively putting by oneself like this, in order to reach the extension UPS battery life's purpose.
Further, when the converted voltage signal is used for continuously supplying power to the vehicle-mounted equipment, the converted voltage signal is sampled, and whether the voltage value of the sampled voltage signal can meet the power supply requirement of the vehicle-mounted equipment is detected;
when the voltage value of the sampled voltage signal is detected not to meet the power supply requirement of the vehicle-mounted equipment, the converted voltage signal is used for continuously supplying power to the vehicle-mounted equipment and simultaneously supplying power to the vehicle-mounted equipment through the UPS storage battery;
and when the voltage value of the voltage signal obtained by sampling is detected to meet the power supply requirement of the vehicle-mounted equipment, continuously supplying power to the vehicle-mounted equipment through the converted voltage signal.
In the embodiment of the invention, when a voltage signal provided by a vehicle body storage battery is unstable, the voltage signal obtained by converting the voltage signal provided by the vehicle body storage battery may not match with a voltage signal required by the vehicle-mounted equipment when power is supplied, that is, the voltage signal obtained by conversion may not meet the power supply requirement of the vehicle-mounted equipment, at this time, a voltage signal sampling control function needs to be provided, the converted voltage signal is firstly sampled, whether the voltage value of the sampled voltage signal can meet the power supply requirement of the vehicle-mounted equipment is detected, and when the voltage value of the sampled voltage signal does not meet the power supply requirement of the vehicle-mounted equipment is detected, the vehicle-mounted equipment is continuously supplied with power through the converted voltage signal and is simultaneously supplied with power through the UPS storage battery, so that the reliable operation of the vehicle-mounted equipment is ensured.
In summary, in the embodiment of the present invention, when a start trigger signal is received, a voltage signal provided by a vehicle body storage battery is first converted into a voltage signal matched with a vehicle-mounted device, and the vehicle-mounted device is continuously supplied with power and a UPS storage battery is charged through the converted voltage signal; in addition, the problem of impact of instantaneous high voltage and large current on the automobile equipment when the automobile equipment is started is solved through starting delay, and the problem of power failure when the automobile equipment is started in a short time is solved through shutdown delay.
Based on the same technical concept, the embodiment of the invention provides a UPS vehicle-mounted power supply circuit, and as the principle of solving the problem of the circuit is similar to that of the method, the implementation process and the implementation principle of the circuit can be described by referring to the implementation process and the implementation principle of the method, and repeated parts are not described again.
As shown in fig. 2, an embodiment of the present invention provides a UPS vehicle-mounted power supply circuit, where the circuit includes:
a UPS battery 200;
the delay control circuit 201 is used for starting the voltage conversion control circuit 202 after a preset first time period when receiving a starting trigger signal; when a stop trigger signal is received, sending a control signal to the voltage conversion control circuit 202, and disconnecting the connection between the voltage conversion control circuit 202 and the vehicle-mounted equipment and the connection between the UPS storage battery and the vehicle-mounted equipment after a preset second time period;
the voltage conversion control circuit 202 is used for converting a voltage signal provided by the vehicle body storage battery into a voltage signal matched with the vehicle-mounted equipment when the vehicle-mounted equipment is started, and continuously supplying power to the vehicle-mounted equipment and charging the UPS storage battery 200 through the converted voltage signal; when the control signal of the delay control circuit 201 is received, the vehicle-mounted device is continuously supplied with power through the converted voltage signal within a preset second time period, and the vehicle-mounted device is continuously supplied with power through the UPS storage battery 200.
The functional sub-circuit may be a software functional module or a hardware device. The UPS vehicle-mounted power supply circuit can be a distributed circuit or a centralized circuit, if the UPS vehicle-mounted power supply circuit is the distributed circuit, the functional circuits can be respectively realized by hardware equipment, and the hardware equipment are interacted with each other through a network; in case of a centralized circuit, the functional modules may be implemented by software and integrated into a hardware device.
The division manner of the upper functional sub-circuit is only a preferred implementation manner given by the embodiment of the present invention, and the division manner of the functional sub-circuit does not limit the present invention. For convenience of description, the parts of the UPS vehicular power supply circuit described above are described functionally as various sub-circuits. Of course, the functions of the various sub-circuits may be implemented in the same one or more software or hardware implementations of the invention.
Further, the circuit further comprises:
a UPS charging control circuit 203, connected between the voltage conversion control circuit 202 and the UPS storage battery 200, for detecting whether the voltage value of the UPS storage battery 200 is greater than a preset first voltage threshold value when the voltage conversion control circuit 202 continues to charge the UPS storage battery 200 through the converted voltage signal; when detecting that the voltage value of the UPS storage battery 200 is greater than a preset first voltage threshold value, stopping continuously charging the UPS storage battery 200 through the converted voltage signal; and/or the presence of a gas in the gas,
a UPS discharge control circuit 204, connected between the UPS battery 200 and the vehicle-mounted device, for detecting whether the voltage value of the UPS battery 200 is less than a preset second voltage threshold value when the vehicle-mounted device is continuously powered by the UPS battery 200; when the voltage value of the UPS storage battery 200 is detected to be smaller than a preset second voltage threshold value, stopping continuously supplying power to the vehicle-mounted equipment through the UPS storage battery 200;
wherein the first voltage threshold is greater than the second voltage threshold.
Further, the circuit further comprises:
the voltage signal sampling control circuit 205 is connected between the voltage conversion control circuit 202 and the UPS battery 200, and is configured to sample the converted voltage signal and detect whether a voltage value of the sampled voltage signal can meet a power supply requirement of the vehicle-mounted device; when the voltage value of the voltage signal obtained by sampling is detected not to meet the power supply requirement of the vehicle-mounted equipment, the converted voltage signal is used for continuously supplying power to the vehicle-mounted equipment and simultaneously supplying power to the vehicle-mounted equipment through the UPS storage battery.
Generally, the voltage value of the voltage signal provided by the vehicle body storage battery is 8-30V, and the voltage value of the converted voltage signal is 5V or 14V.
Preferably, the start trigger signal is a trigger signal when the ACC gear is started, and the stop trigger signal is a trigger signal when the ACC gear is disconnected.
In practical application, when the UPS battery 200, the delay control circuit 201, the voltage conversion control circuit 202, the UPS charging control circuit 203, the UPS discharging control circuit 204, and the voltage signal sampling control circuit 205 are integrated in a hardware device, the delay control circuit 201 may be implemented by a PWM controller and a timer, the voltage conversion control circuit 202 is implemented by a regulator, the UPS charging control circuit 203 and/or the UPS discharging control circuit 204 is implemented by a MOS transistor or a comparator, and the voltage signal sampling control circuit 205 is implemented by a comparator.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A UPS vehicle-mounted power supply method is characterized by comprising the following steps:
when a starting trigger signal is received, converting a voltage signal provided by a vehicle body storage battery into a voltage signal matched with vehicle-mounted equipment after a preset first time period, and continuously supplying power to the vehicle-mounted equipment and charging a UPS storage battery through the converted voltage signal;
when a stop trigger signal is received, the vehicle-mounted equipment is continuously supplied with power through the converted voltage signal in a preset second time period, and meanwhile, the vehicle-mounted equipment is continuously supplied with power through the UPS storage battery, wherein before power supply, the converted voltage signal is sampled, and whether the voltage value of the sampled voltage signal can meet the power supply requirement of the vehicle-mounted equipment is detected;
when the voltage value of the voltage signal obtained by sampling is detected not to meet the power supply requirement of the vehicle-mounted equipment, the converted voltage signal is used for continuously supplying power to the vehicle-mounted equipment and simultaneously supplying power to the vehicle-mounted equipment through the UPS storage battery.
2. The UPS on-vehicle power supply method of claim 1, wherein: the method further comprises the following steps:
when the UPS storage battery is continuously charged through the converted voltage signal, detecting whether the voltage value of the UPS storage battery is larger than a preset first voltage threshold value or not; when the voltage value of the UPS storage battery is detected to be larger than a preset first voltage threshold value, the UPS storage battery is stopped from being continuously charged through the converted voltage signal; and/or the presence of a gas in the gas,
when the UPS storage battery continuously supplies power to the vehicle-mounted equipment, detecting whether the voltage value of the UPS storage battery is smaller than a preset second voltage threshold value; when the voltage value of the UPS storage battery is detected to be smaller than a preset second voltage threshold value, the UPS storage battery stops continuously supplying power to the vehicle-mounted equipment;
wherein the first voltage threshold is greater than the second voltage threshold.
3. The UPS on-board power supply method according to any one of claims 1 to 2, characterized in that: the vehicle body stores electricity
The voltage value of the voltage signal provided by the cell is 8-30V, and the voltage value of the converted voltage signal is 5V or 14V.
4. The UPS on-board power supply method according to any one of claims 1 to 2, characterized in that: the starting trigger signal is a trigger signal when the ACC gear is started, and the stopping trigger signal is a trigger signal when the ACC gear is disconnected.
5. An on-board supply circuit for a UPS, the circuit comprising:
a UPS battery;
the delay control circuit is used for starting the voltage conversion control circuit after a preset first time period when receiving the starting trigger signal; when a stop trigger signal is received, sending a control signal to the voltage conversion control circuit, and disconnecting the voltage conversion control circuit from the vehicle-mounted equipment and disconnecting the UPS storage battery from the vehicle-mounted equipment after a preset second time period;
the voltage conversion control circuit is used for converting a voltage signal provided by the vehicle body storage battery into a voltage signal matched with the vehicle-mounted equipment when the vehicle-mounted equipment is started, and continuously supplying power to the vehicle-mounted equipment and charging the UPS storage battery through the converted voltage signal; when a control signal of the delay control circuit is received, the vehicle-mounted equipment is continuously supplied with power through the converted voltage signal in a preset second time period, and the vehicle-mounted equipment is continuously supplied with power through the UPS storage battery, wherein before power supply, the converted voltage signal is sampled, and whether the voltage value of the sampled voltage signal can meet the power supply requirement of the vehicle-mounted equipment is detected; when the voltage value of the voltage signal obtained by sampling is detected not to meet the power supply requirement of the vehicle-mounted equipment, the converted voltage signal is used for continuously supplying power to the vehicle-mounted equipment and simultaneously supplying power to the vehicle-mounted equipment through the UPS storage battery.
6. The UPS on-board power supply circuit of claim 5, wherein: the circuit further comprises:
the UPS charging control circuit is used for detecting whether the voltage value of the UPS storage battery is larger than a preset first voltage threshold value or not when the voltage conversion control circuit continuously charges the UPS storage battery through the converted voltage signal; when the voltage value of the UPS storage battery is detected to be larger than a preset first voltage threshold value, the UPS storage battery is stopped from being continuously charged through the converted voltage signal; and/or the presence of a gas in the gas,
the UPS discharging control circuit is used for detecting whether the voltage value of the UPS storage battery is smaller than a preset second voltage threshold value or not when the UPS storage battery continuously supplies power to the vehicle-mounted equipment; when the voltage value of the UPS storage battery is detected to be smaller than a preset second voltage threshold value, the UPS storage battery stops continuously supplying power to the vehicle-mounted equipment;
wherein the first voltage threshold is greater than the second voltage threshold.
7. The UPS on-board power supply circuit of any one of claims 5 to 6, wherein: the voltage value of the voltage signal provided by the vehicle body storage battery is 8-30V, and the voltage value of the converted voltage signal is 5V or 14V.
8. The UPS on-board power supply circuit of any one of claims 5 to 6, wherein: the starting trigger signal is a trigger signal when the ACC gear is started, and the stopping trigger signal is a trigger signal when the ACC gear is disconnected.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103338976A (en) * | 2011-07-29 | 2013-10-02 | 古河电气工业株式会社 | Vehicular power source device |
| CN204012789U (en) * | 2014-06-12 | 2014-12-10 | 湖州上电科电器科学研究有限公司 | Vehicle-mounted monitoring platform power administration module |
| CN105253074A (en) * | 2015-07-18 | 2016-01-20 | 唐昆仑 | Vehicle large power voltage stabilization delayer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013204384A (en) * | 2012-03-29 | 2013-10-07 | Sumitomo Heavy Ind Ltd | Shovel, shovel control system, and information terminal |
| JP6331749B2 (en) * | 2014-06-23 | 2018-05-30 | 日産自動車株式会社 | Control device for hybrid vehicle |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338976A (en) * | 2011-07-29 | 2013-10-02 | 古河电气工业株式会社 | Vehicular power source device |
| CN204012789U (en) * | 2014-06-12 | 2014-12-10 | 湖州上电科电器科学研究有限公司 | Vehicle-mounted monitoring platform power administration module |
| CN105253074A (en) * | 2015-07-18 | 2016-01-20 | 唐昆仑 | Vehicle large power voltage stabilization delayer |
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