CN113595222A - Power supply control method applied to analog equipment - Google Patents
Power supply control method applied to analog equipment Download PDFInfo
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- CN113595222A CN113595222A CN202110973474.4A CN202110973474A CN113595222A CN 113595222 A CN113595222 A CN 113595222A CN 202110973474 A CN202110973474 A CN 202110973474A CN 113595222 A CN113595222 A CN 113595222A
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000004088 simulation Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 33
- 238000012545 processing Methods 0.000 claims description 33
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to a power supply control method applied to analog equipment, and belongs to the field of power supply control. The invention develops the independent power control module, so that the simulation equipment does not need to be preheated and charged within a specific time after starting to work, the equipment is ensured to be used as a sub-equipment of the whole control system, the whole processes of power-on, communication, power-off and control can be completed under the control of control software at any time, the simulation equipment can be ensured to have the characteristics of short preparation time, independent use, remote control and the like in the use process, the equipment can be quickly put into use after being electrified under the condition of long-time non-work, the function of self-maintaining power supply after the power-off of the equipment is realized, the condition that a battery pack needs to be charged for a long time when the equipment is used for the first time is avoided, the time of the whole working process is saved, and the working efficiency is improved. The invention really removes the power supply cable and the power supply source.
Description
Technical Field
The invention belongs to the field of power supply control, and particularly relates to a power supply control method applied to analog equipment.
Background
In a certain engineering control development task, a certain specific device (hereinafter referred to as a simulation device) in the system is required to continue to maintain normal control operation on an external interface under the condition that external power supply is cancelled, so that normal operation of the whole control system is ensured. The simulation equipment has the characteristics of small size, light weight and modularization, and the requirement for keeping power supply is controlled to be 100-200S. Usually, when the system is required to be powered off suddenly, the UPS power supply is added as a power supply protection device for system power off suddenly, so that sufficient time is available for data backup and device operation under the condition. In the past engineering development, in consideration of factors such as equipment volume, cost, cable connection and the like, an independent power cable is generally externally connected to continuously supply power to the equipment so as to ensure the normal operation of the work flow of the equipment, but the authenticity of the simulation work environment of the simulation equipment is sacrificed.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of how to provide a power supply control method applied to analog equipment so as to solve the problem that the authenticity of the analog equipment simulating working environment is sacrificed in the conventional power-off power supply mode.
(II) technical scheme
In order to solve the technical problem, the invention provides a power supply control method applied to analog equipment, which is applied to a power supply monitoring system, wherein the power supply monitoring system comprises a power supply module 1, a power supply module 2, a super capacitor, analog equipment and a relay switch, and the analog equipment comprises a main processing module; the power supply module 1 and the power supply module 2 are connected with an external power supply, the output of the power supply module 1 is connected with a super capacitor, the output of the power supply module 2 is connected with analog equipment, and a relay switch is connected between the super capacitor and the analog equipment; the method comprises the following steps:
after an external power supply is input, the power supply module 1 and the power supply module 2 start to work, meanwhile, the main processing module monitors the external input power supply, the power supply module 1 quickly charges the super capacitor, and the power supply module 2 starts to supply power to the main processing module of the analog equipment; the method comprises the steps that a main processing module of the analog equipment is electrified to start self-checking, is accessed to the whole control system and waits for a system control instruction; at the moment, the super capacitor is charged, and the main processing module sends an instruction to switch on the relay switch to connect the main processing module of the simulation equipment into the load; when the external input power supply is monitored to be low, the power supply modules 1 and 2 do not supply power to the main processing module any more, and the super capacitor starts to supply power to the main processing module of the analog equipment until the analog equipment finishes the work flow; and (5) cutting off a relay switch, stopping discharging of the super capacitor, keeping the electric quantity, and ending the whole working process.
Furthermore, when the simulation equipment works normally, the simulation equipment is connected with external equipment through a CAN bus, and IO (input/output) quantity control is carried out on the external equipment through analyzing bus data.
Further, the relay switch is a 5V control electromagnetic relay.
Further, the external power supply is direct current 28.5V.
Further, the power module 1 converts the input dc power into 5V to rapidly charge the super capacitor.
Further, the capacity of the super capacitor is 73F.
Further, the power supply module 2 directly converts the 28.5V external power input into 5V through power conversion to supply power for the analog device main processing module.
Further, the monitoring of the external input power by the main processing module includes: it is monitored whether the external supply voltage is always high.
Further, the charging time of the super capacitor is not more than 30S.
Further, the simulating equipment completes the workflow and comprises the following steps: and the simulation equipment completes CAN bus communication, IO amount acquisition and IO amount output.
(III) advantageous effects
The invention provides a power supply control method applied to analog equipment, wherein an independent power supply control module is developed, so that the analog equipment does not need to be preheated and charged within a specific time after starting to work, the equipment is ensured to be used as a sub-equipment of a whole control system, the whole process of power-on, communication, power-off and control can be completed under the control of control software at any time, the analog equipment can be ensured to have the characteristics of short preparation time, independent use, remote control and the like in the use process, the equipment can be quickly put into use after being electrified under the condition of long-time non-work, the power supply self-maintaining function of the equipment after power-off is realized, the condition that a battery pack needs to be charged for a long time when the equipment is used for the first time is avoided, the time of the whole work process is saved, and the work efficiency is improved.
The invention ensures that the simulation equipment is free from the restriction of power supply of an external power supply cable, can simulate real working requirements, and can still normally carry out external communication and control according to the working process after the external power supply is cancelled. Compared with the traditional simulation equipment with the same type, the power supply cable and the power supply source are really removed, the simulation equipment is ensured to be consistent with the working environment of real equipment in working use, and the real simulation effect is achieved.
Drawings
Fig. 1 is a schematic diagram of a power control method applied to an analog device according to the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
The invention relates to a power supply control method applied to analog equipment, which is applied to engineering development tasks. According to the method, the device and the system can continuously maintain the power supply of the mainboard to finish the system flow under the condition that the external power supply of the equipment in work is cancelled, and have the functional characteristics of high charging speed, power management and the like.
The invention relates to a power supply control method applied to analog equipment, which is applied to engineering development tasks. According to the method, the device and the system can continuously maintain the power supply of the mainboard to finish the system flow under the condition that the external power supply of the equipment in work is cancelled, and have the functional characteristics of high charging speed, power management and the like.
Aiming at the problems, an independent power control module is developed, preheating and charging of analog equipment within a specific time are not needed after the analog equipment starts to work, the equipment is ensured to be used as a piece of sub-equipment of the whole control system, power-on, communication, power-off and control of the whole process can be completed under the control of control software at any time, the analog equipment can be ensured to have the characteristics of short preparation time, independent use, remote control and the like in the using process, under the condition of long-time non-work, the equipment can be quickly put into use after being electrified, the function of self-holding power supply after the equipment is powered off is realized, meanwhile, the condition that the battery pack needs to be charged for a long time when the analog equipment is used for the first time is avoided, the time of the whole working process is saved, and the working efficiency is improved.
The invention mainly aims to ensure that the simulation equipment can quickly and accurately complete control and communication work under the condition of external power supply cut-off in the whole control system. The use environment of the whole system determines that the equipment is generally in an unattended working state, an operator is connected through a long-distance cable to remotely power up and control the equipment, and the equipment has the requirement of small modularization, so that the simulation equipment has an independent self-holding power supply function and an external UPS power supply does not conform to the use environment in the design and use process.
The invention designs an independent power supply control module which is connected to a bottom plate of the simulation equipment in a 3U plug board mode, and the selected control chip adopts a wide temperature index, thereby meeting the engineering development requirement. The appearance adopts the structural style of leading cold plate + helps and pulls out the ware, makes things convenient for power module heat dissipation and easily carries out the picture peg change in equipment. The power module has the following characteristics:
1) can complete quick charging
The power module 1 can complete 98% of electric quantity charging of the super capacitor (starting from voltage of 0V) in 30S, and in the using process, the power module is used as a subsystem of the whole system, and before other devices complete startup self-checking and enter an operation interface, the power module completes charging, so that when the devices are not used for a long time and are used under the condition that the electric quantity in the devices is very low, the power module does not need to be charged for a long time independently when the devices are started for the first time.
2) Has a power supply management function
Analog device main processing module possesses external power source input monitoring function, gathers power supply interface voltage (28V +) after the equipment is powered on, and after monitoring the disconnection of external power supply, begins to supply power to the analog device mainboard by super capacitor, and analog device CAN rely on self super capacitor's electric quantity to accomplish with external device's CAN bus communication and IO control. Ensuring the work after the power of the analog equipment is the key implementation of the text. When the simulation equipment completes the whole process, the load of the power supply of the simulation equipment is cut off in time, and the electric quantity is kept to the maximum extent.
Fig. 1 is a power control flow designed by the present invention. The power supply monitoring system mainly comprises a power supply module 1, a power supply module 2, a super capacitor, analog equipment (the main load is a main processing module of the analog equipment, and the main processing module is marked in the figure) and a relay switch. The power module 1 and the power module 2 are connected with an external output direct current power supply, the output of the power module 1 is connected with the super capacitor, the output of the power module 2 is connected with the analog equipment, and the relay switch is connected between the super capacitor and the analog equipment. When the simulation equipment works normally, the simulation equipment is connected with external equipment through a CAN bus, and IO (input/output) quantity control is carried out on the external equipment through analyzing bus data. The relay switch is a 5V control electromagnetic relay, and the main processing module performs 5VIO quantity control when an external 28V power supply is cut off.
In the application, an external input power supply is 28.5V direct current, and 2 power supply modules are adopted, wherein the power supply module 1 converts the input direct current power supply into 5V direct current to rapidly charge the super capacitor. The capacity of the super capacitor is 73F, and the capacitor has larger capacitance in consideration of the environmental characteristics of engineering application, so that the simulation equipment can still normally supply power to the main processing module of the simulation equipment at minus 40 ℃.
The power supply module 2 directly converts 28.5V external power supply input into 5V through power supply conversion to supply power for the analog equipment main processing module.
The specific working process is as follows: after the external power source inputs, the power module 1 and the power module 2 start to work, meanwhile, the main processing module monitors the external input power source (whether the voltage of the external power source is always high is monitored), the power module 1 carries out quick charging (the charging time is not more than 30S) on the super capacitor, the power module 2 starts to supply power for the main processing module of the analog equipment, the main processing module of the analog equipment is electrified to start self-checking, the whole control system is accessed, and a system control instruction is waited. At the moment, the super capacitor is charged, the main processing module sends a command to switch on the discharging relay switch to enable the main processing module of the simulation equipment to be connected into a load, when the external input power supply is monitored to be low, the power supply modules 1 and 2 do not supply power to the main processing module any more, the super capacitor starts to supply power to the main processing module of the simulation equipment until the simulation equipment completes the work flows of CAN bus communication, IO amount acquisition, IO amount output and the like, the discharging relay switch is switched off, discharging of the super capacitor is stopped, electric quantity is kept, and the whole work flow is ended.
The invention can:
1) can complete quick charging
The power module can finish 98% electric quantity charging (starting from voltage of 0V) in 30S, and in the using process, the power module is used as a subsystem of the whole system, and before other equipment finishes starting self-detection and enters an operation interface, the power module finishes charging, so that when the equipment is not used for a long time and is used under the condition that the internal electric quantity of the equipment is very low, the power module does not need to be charged for a long time when the equipment is started for the first time.
2) Has a power supply management function
The power module has an external power input monitoring function, starts to supply power to the main board of the analog equipment after monitoring that external power supply is disconnected, and timely cuts off the load of a power supply of the analog equipment when the analog equipment completes the whole process, so that the electric quantity is kept to the maximum extent.
3) The restriction of external power supply cable power supply is removed, and the real working requirement can be simulated.
The invention has the following effects: the simulation equipment is guaranteed to be free from the restriction of power supply of an external power supply cable, real working requirements can be simulated, and external communication and control can still be normally carried out according to the working process after the external power supply is cancelled. Compared with the traditional simulation equipment with the same type, the power supply cable and the power supply source are really removed, the simulation equipment is ensured to be consistent with the working environment of real equipment in working use, and the real simulation effect is achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A power supply control method applied to analog equipment is characterized in that the method is applied to a power supply monitoring system, the power supply monitoring system comprises a power supply module 1, a power supply module 2, a super capacitor, analog equipment and a relay switch, and the analog equipment comprises a main processing module; the power supply module 1 and the power supply module 2 are connected with an external power supply, the output of the power supply module 1 is connected with a super capacitor, the output of the power supply module 2 is connected with analog equipment, and a relay switch is connected between the super capacitor and the analog equipment; the method comprises the following steps:
after an external power supply is input, the power supply module 1 and the power supply module 2 start to work, meanwhile, the main processing module monitors the external input power supply, the power supply module 1 quickly charges the super capacitor, and the power supply module 2 starts to supply power to the main processing module of the analog equipment; the method comprises the steps that a main processing module of the analog equipment is electrified to start self-checking, is accessed to the whole control system and waits for a system control instruction; at the moment, the super capacitor is charged, and the main processing module sends an instruction to switch on the relay switch to connect the main processing module of the simulation equipment into the load; when the external input power supply is monitored to be low, the power supply modules 1 and 2 do not supply power to the main processing module any more, and the super capacitor starts to supply power to the main processing module of the analog equipment until the analog equipment finishes the work flow; and (5) cutting off a relay switch, stopping discharging of the super capacitor, keeping the electric quantity, and ending the whole working process.
2. The power control method as claimed in claim 1, wherein the analog device is connected to an external device through a CAN bus during a normal operation, and IO volume control is performed on the external device by analyzing bus data.
3. The power control method as claimed in claim 1, wherein the relay switch is a 5V control electromagnetic relay.
4. The power control method applied to the analog device as set forth in claim 1, wherein the external power is a direct current of 28.5V.
5. The power control method applied to the analog device as claimed in claim 1, wherein the power module 1 converts the input dc power into 5V to rapidly charge the super capacitor.
6. The power control method applied to the analog device as set forth in claim 1, wherein the capacity of the super capacitor is 73F.
7. The power control method applied to the analog device as claimed in claim 1, wherein the power module 2 directly converts the external power input of 28.5V into 5V through power conversion to supply power for the main processing module of the analog device.
8. The power control method applied to the analog device as set forth in claim 1, wherein the monitoring of the external input power by the main processing module comprises: it is monitored whether the external supply voltage is always high.
9. The power control method applied to the analog device as set forth in claim 1, wherein the charging time of the super capacitor is not more than 30S.
10. The power control method applied to the analog device as set forth in claim 1, wherein the analog device performing the workflow comprises: and the simulation equipment completes CAN bus communication, IO amount acquisition and IO amount output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110973474.4A CN113595222A (en) | 2021-08-24 | 2021-08-24 | Power supply control method applied to analog equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110973474.4A CN113595222A (en) | 2021-08-24 | 2021-08-24 | Power supply control method applied to analog equipment |
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| CN113595222A true CN113595222A (en) | 2021-11-02 |
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| CN202110973474.4A Pending CN113595222A (en) | 2021-08-24 | 2021-08-24 | Power supply control method applied to analog equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115459425A (en) * | 2022-09-28 | 2022-12-09 | 天津津航计算技术研究所 | Power-off maintaining control method based on super capacitor |
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| CN106210930A (en) * | 2016-06-30 | 2016-12-07 | 上海诺行信息技术有限公司 | A kind of stand-by power supply device of wireless router |
| CN106364682A (en) * | 2016-09-28 | 2017-02-01 | 成都凯天电子股份有限公司 | Uninterruptible emergency power supply system for flight parameter recorder |
| CN212063597U (en) * | 2020-05-12 | 2020-12-01 | 北京中软万维网络技术有限公司 | Power-down time-delay protection device and control system based on super capacitor |
| CN112821540A (en) * | 2021-01-06 | 2021-05-18 | 天津津航计算技术研究所 | Simulation system control flow implementation method based on real environment |
-
2021
- 2021-08-24 CN CN202110973474.4A patent/CN113595222A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106210930A (en) * | 2016-06-30 | 2016-12-07 | 上海诺行信息技术有限公司 | A kind of stand-by power supply device of wireless router |
| CN106364682A (en) * | 2016-09-28 | 2017-02-01 | 成都凯天电子股份有限公司 | Uninterruptible emergency power supply system for flight parameter recorder |
| CN212063597U (en) * | 2020-05-12 | 2020-12-01 | 北京中软万维网络技术有限公司 | Power-down time-delay protection device and control system based on super capacitor |
| CN112821540A (en) * | 2021-01-06 | 2021-05-18 | 天津津航计算技术研究所 | Simulation system control flow implementation method based on real environment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115459425A (en) * | 2022-09-28 | 2022-12-09 | 天津津航计算技术研究所 | Power-off maintaining control method based on super capacitor |
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