CN217789381U - Control system and control device for switching main power supply and standby power supply in dormant state - Google Patents

Control system and control device for switching main power supply and standby power supply in dormant state Download PDF

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Publication number
CN217789381U
CN217789381U CN202221398208.XU CN202221398208U CN217789381U CN 217789381 U CN217789381 U CN 217789381U CN 202221398208 U CN202221398208 U CN 202221398208U CN 217789381 U CN217789381 U CN 217789381U
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main
battery
standby
power supply
detection switch
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CN202221398208.XU
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潘屹超
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Shanghai Simcom Ltd
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Shanghai Simcom Ltd
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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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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Abstract

The utility model relates to a control system and controlling means who carries out main and standby electricity under dormant state and switch, this control system includes: the system comprises a system main body and a control module, wherein the system main body is provided with a system dormancy enabling end for controlling the system main body to enter a dormancy state; the power supply unit is used for supplying power to the system main body and comprises a main battery which is detachably arranged and a standby battery which is not detachably arranged, wherein a battery cover and a detection switch which is in linkage connection with the battery cover are arranged at the position of the main battery; the main and standby electric switching circuit is connected between the power supply unit and the system main body, the main and standby electric switching circuit is connected with the detection switch, and the detection switch triggers the main and standby electric switching circuit to only conduct the main battery when the battery cover is closed, otherwise, only conducts the standby battery. The control system can automatically enter a dormant state when the main power supply and the standby power supply are switched, and the power failure phenomenon of the system is avoided.

Description

Control system and control device for switching main power supply and standby power supply in dormant state
Technical Field
The utility model relates to an electronic product technical field, in particular to control system and controlling means who carries out main and standby electricity under dormant state and switch.
Background
Many electronic products can not be powered by batteries when working, especially industrial-grade AR products, in practical use, in the occasions of routing inspection, remote commanding field operation and the like, long-time work is needed, one battery is not enough to support long-time work, so the battery needs to be replaced in the using process, equipment is needed to continue to work during the replacement of the battery, a standby battery needs to be added, so that the standby battery can provide power for a system when a main battery is replaced, and a main-standby power switching circuit is needed.
However, with the improvement of the requirement on the compactness of the product, the structural space of the product is limited, the standby battery is usually placed in a mainboard bin, the capacity is very small, basically about 150mAh, and the discharge capacity is about 1A.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a control system and controlling means who carries out main and standby electricity under the dormant state and switch over can get into the dormant state automatically when carrying out main and standby electricity and switch over, have avoided the system to fall the electric phenomenon.
The utility model discloses a following scheme realizes: a control system for switching between main power supply and standby power supply in a dormant state comprises:
the system comprises a system main body, a system sleep enabling end and a control end, wherein the system main body is provided with a system sleep enabling end used for controlling the system main body to enter a sleep state;
the power supply unit is used for supplying power to the system main body and comprises a main battery which is detachably arranged and a standby battery which is not detachably arranged, a battery cover which needs to be opened when the main battery is detached and arranged is covered at the main battery, and a detection switch which is in linkage connection with the battery cover is arranged, the detection switch is connected with the system dormancy enabling end, and the detection switch triggers the system dormancy enabling end to be effective only when the battery cover is opened;
the battery cover is connected with the power supply unit, the main and standby power switching circuit is connected with the detection switch, the detection switch triggers the main and standby power switching circuit to only conduct the main battery when the battery cover is closed, and triggers the main and standby power switching circuit to only conduct the standby battery when the battery cover is opened.
The utility model discloses carry out the control system's that main and standby electricity switched under the dormant state further improvement lies in:
the main and standby electric switching circuit comprises a first PMOS tube, a second PMOS tube, a third PMOS tube, a fourth PMOS tube and a fifth NMOS tube;
the main battery is connected with a drain electrode of the first PMOS tube, a source electrode of the first PMOS tube is connected with a source electrode of the second PMOS tube and is connected with a grid electrode of the first PMOS tube, a grid electrode of the second PMOS tube and a first end of the detection switch through a first resistor, and a drain electrode of the second PMOS tube is connected with a power supply input end of the system main body;
the standby battery is connected with a drain electrode of the third PMOS tube, a source electrode of the third PMOS tube is connected with a source electrode of the fourth PMOS tube, and is connected to a grid electrode of the fifth NMOS tube through a second resistor on one hand, and is connected to a drain electrode of the fifth NMOS tube through a third resistor on the other hand, the grid electrode of the fifth NMOS tube is connected to the first end of the detection switch, the source electrode of the fifth NMOS tube is grounded, and the drain electrode of the fourth PMOS tube is connected to a power supply input end of the system main body;
and the second end of the detection switch is grounded.
The utility model discloses carry out the control system's that main and standby electricity switched under the dormant state further improvement lies in: the system dormancy enabling end is connected to the first end of the detection switch through an anti-reverse electronic device.
The utility model discloses the control system who carries out the switching of main and standby electricity under the dormant state further improves and lies in: the anti-reverse electronic device is a diode, the anode of the diode is connected with the system dormancy enabling end, and the cathode of the diode is connected with the first end of the detection switch.
The utility model discloses the control system who carries out the switching of main and standby electricity under the dormant state further improves and lies in: the system main body is provided with a charging module, and the charging module is connected to the standby battery after being boosted by the boosting module.
The utility model also provides a controlling means who carries out the main electricity of being equipped with under the dormant state switches, utilizes the dormant state under carry out the control system that the main electricity of being equipped with switches and control.
The utility model discloses a but not limited to following beneficial effect:
1. through the arrangement of the battery cover and the detection switch in linkage connection with the battery cover and the matching of the detection switch and the connection relation between the main/standby power switching circuit and the system dormancy enabling end, the control system can automatically enter a dormancy state when the main/standby power is switched, so that the successful replacement of the main battery is realized, and the power failure phenomenon of the system is avoided.
2. Through the mirror image connection of the first PMOS tube and the second PMOS tube, the unidirectional conduction of a diode in the PMOS tube is effectively prevented.
3. By the arrangement of the anti-reverse electronic device, the current reverse caused by the voltage imbalance between the system sleep enabling end and the main/standby electric switching circuit is avoided.
4. Through the setting of the charging module and the boosting module, the system main body can charge the standby battery when the electric quantity of the standby battery is insufficient.
Drawings
Fig. 1 shows a block diagram of the control system of the present invention.
Fig. 2 shows a connection circuit diagram of the detection switch, the system sleep enable terminal, and the main/standby electric switching circuit.
Detailed Description
In order to solve some electronic product control system and appear the problem that the system falls the electricity easily when carrying out the switching of main and standby electricity, the utility model provides a control system and controlling means who carries out the switching of main and standby electricity under the dormancy state can make automatic entering dormancy state when carrying out the switching of main and standby electricity, have avoided the system phenomenon of falling the electricity.
The following describes a control system and a control device for performing a main-standby power switch in the sleep state in an embodiment with reference to the drawings.
Referring to fig. 1, fig. 1 shows a block diagram of a control system of the present invention. A control system for switching between main power and standby power in a dormant state comprises:
the system comprises a system main body PMIC, wherein a system sleep enabling terminal GPIO used for controlling the system main body PMIC to enter a sleep state is arranged on the system main body PMIC;
the power supply unit is used for supplying power to the PMIC of the system MAIN body and comprises a MAIN battery MAIN _ VBATT which is detachably arranged and a backup battery BUCKUP _ VBATT which is not detachably arranged, a battery cover which needs to be opened when the MAIN battery MAIN _ VBATT is dismounted and arranged at the position of the MAIN battery and a detection switch KPY1 which is in linkage connection with the battery cover are arranged on a MAIN _ VBATT cover, the detection switch KPY1 is connected with a GPIO of a sleep enabling end of the system, and the detection switch KPY1 triggers the GPIO of the sleep enabling end of the system to be effective only when the battery cover is opened;
the MAIN and standby electric switching circuits are connected between the power supply unit and the system MAIN body PMIC, the MAIN and standby electric switching circuits are connected with the detection switch KPY1, and the detection switch KPY1 triggers the MAIN and standby electric switching circuits to only conduct the MAIN battery MAIN _ VBATT when the battery cover is closed and triggers the MAIN and standby electric switching circuits to only conduct the standby battery BUCKUP _ VBATT when the battery cover is opened.
The PMIC system main body in the embodiment is an AR main body system and can complete basic functions of AR product inspection, remote command field operation and the like. Through the arrangement of the battery cover and the detection switch in linkage connection with the battery cover and the matching of the detection switch and the connection relation between the main/standby power switching circuit and the system dormancy enabling end, the control system can automatically enter a dormancy state when the main/standby power is switched, so that the successful replacement of the main battery is realized, and the power failure phenomenon of the system is avoided. The control system is not only applied to AR products, but also applied to other electronic products which need to be powered by the main battery and the standby battery in a switching mode so as to maintain long-time uninterrupted operation.
Referring to fig. 2 as a preferred embodiment, fig. 2 is a diagram illustrating connection lines of the detection switch, the system sleep enable terminal, and the main/standby power switching circuit. The main/standby electric switching circuit comprises a first PMOS tube Q1, a second PMOS tube Q2, a third PMOS tube Q3, a fourth PMOS tube Q4 and a fifth NMOS tube Q5;
the MAIN battery MAIN _ VBATT is connected to a drain electrode of the first PMOS transistor Q1, a source electrode of the first PMOS transistor Q1 is connected to a source electrode of the second PMOS transistor Q2, and is connected to a gate electrode of the first PMOS transistor Q1, a gate electrode of the second PMOS transistor Q2 and a first end of the detection switch KPY1 through a first resistor R1, and a drain electrode of the second PMOS transistor Q2 is connected to a power input terminal VBATT _ IN of the system MAIN body PMIC; through the mirror image connection of the first PMOS tube Q1 and the second PMOS tube Q2, the diode inside the PMOS tube can be prevented from being conducted in one direction.
The backup battery buck _ VBATT is connected to the drain of the third PMOS transistor Q3, the source of the third PMOS transistor Q3 is connected to the source of the fourth PMOS transistor Q4, and is connected to the gate of the fifth NMOS transistor Q5 through the second resistor R2 on one hand, and is connected to the drain of the fifth NMOS transistor Q5 through the third resistor R3 on the other hand, the gate of the fifth NMOS transistor Q5 is connected to the first end of the detection switch KPY1, the source is grounded, and the drain of the fourth PMOS transistor Q4 is connected to the power input terminal VBATT _ IN of the system main PMIC;
the second terminal of the detection switch KPY1 is grounded.
In this embodiment, the GPIO of the system sleep enable is active at a high level, that is, when the GPIO of the system sleep enable is active at a high level, the control system will automatically enter a system sleep state; the detection switch KPY1 is a normally closed switch, that is, in a closed state, the MAIN/standby electrical switching circuit switches on the MAIN battery MAIN _ VBATT to supply power to the system MAIN unit PMIC. Specifically, the control system has the following working procedures:
when the MAIN battery MAIN _ VBATT is low in power and needs to be replaced: the battery cover is opened, the detection switch KPY1 is in linkage disconnection while the battery cover is opened, on one hand, a GPIO (general purpose input/output) end of the system dormancy enabling end is switched from a low level to a high level, a PMIC (Power management Integrated Circuit) of a system main body enters a dormancy state, a screen is turned off, and at the moment, the power consumption is very low; on the other hand, the main and standby power switching circuit is switched to the standby battery BUCKUP _ VBATT, and the standby battery BUCKUP _ VBATT is started to supply power to the system main body PMIC. During which the MAIN battery MAIN _ VBATT is replaced.
After the MAIN battery MAIN _ VBATT is replaced: closing the battery cover, and detecting the linkage closing of a switch KPY1 when the battery cover is closed, wherein at the moment, on one hand, a GPIO (general purpose input/output) of a system sleep enabling end is switched from a high level to a low level, a PMIC (machine integrated circuit) of a new system body is awakened, and a screen is lightened; on the other hand, the MAIN/standby power switching circuit switches back to the MAIN battery MAIN _ VBATT to supply power to the system MAIN unit PMIC. So far, the whole process of replacing the main battery is completed.
As a preferred embodiment: the system sleep enabling end GPIO is connected to the first end of the detection switch KPY1 through an anti-reverse electronic device. Specifically, in this embodiment, the anti-reverse electronic device is a diode D1, an anode of the diode D1 is connected to the system sleep enable GPIO, and a cathode of the diode D1 is connected to the first end of the detection switch KPY 1. Through the arrangement of the anti-reverse electronic device, the current reversal caused by the voltage imbalance between the system sleep enabling end GPIO and the main/standby electric switching circuit is avoided.
As a preferred embodiment: the system main body PMIC is provided with a charging module, and the charging module is connected to the backup battery BUCKUP _ VBATT after being boosted by a boosting module. So as to charge the backup battery BUCKUP _ VBATT when it is not sufficiently charged.
The utility model also provides a controlling means who carries out the main electricity of being equipped with under the dormant state switches, utilizes the control system who carries out the main electricity of being equipped with under the above-mentioned dormant state to switch over to control.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims (6)

1. A control system for switching between main power supply and standby power supply in a sleep state is characterized by comprising:
the system comprises a system main body, a system sleep enabling end and a control end, wherein the system main body is provided with a system sleep enabling end used for controlling the system main body to enter a sleep state;
the power supply unit is used for supplying power to the system main body and comprises a main battery which is detachably arranged and a backup battery which is not detachably arranged, a battery cover which needs to be opened when the main battery is detached and arranged and a detection switch which is in linkage connection with the battery cover are covered at the main battery, the detection switch is connected with the system dormancy enabling end, and the detection switch triggers the system dormancy enabling end to be effective only when the battery cover is opened;
the battery pack comprises a power supply unit, a system main body, a detection switch, a main and standby power switching circuit and a main and standby power switching circuit, wherein the main and standby power switching circuit is connected between the power supply unit and the system main body, the main and standby power switching circuit is connected with the detection switch, the detection switch triggers the main and standby power switching circuit to only conduct the main battery when the battery cover is closed, and triggers the main and standby power switching circuit to only conduct the standby battery when the battery cover is opened.
2. The control system for switching between main power and standby power in a sleep mode according to claim 1, wherein:
the main and standby electric switching circuit comprises a first PMOS tube, a second PMOS tube, a third PMOS tube, a fourth PMOS tube and a fifth NMOS tube;
the main battery is connected with the drain electrode of the first PMOS tube, the source electrode of the first PMOS tube is connected with the source electrode of the second PMOS tube and is connected with the grid electrode of the first PMOS tube, the grid electrode of the second PMOS tube and the first end of the detection switch through a first resistor, and the drain electrode of the second PMOS tube is connected with the power supply input end of the system main body;
the standby battery is connected with a drain electrode of the third PMOS tube, a source electrode of the third PMOS tube is connected with a source electrode of the fourth PMOS tube, and is connected to a grid electrode of the fifth NMOS tube through a second resistor on one hand, and is connected to a drain electrode of the fifth NMOS tube through a third resistor on the other hand, the grid electrode of the fifth NMOS tube is connected to the first end of the detection switch, the source electrode of the fifth NMOS tube is grounded, and the drain electrode of the fourth PMOS tube is connected to a power supply input end of the system main body;
and the second end of the detection switch is grounded.
3. The control system for switching between main power and standby power in a sleep mode according to claim 2, wherein: the system sleep enabling end is connected to the first end of the detection switch through anti-reverse electronic devices.
4. A control system for performing a power-on-standby switch in a sleep state as claimed in claim 3, wherein: the anti-reverse electronic device is a diode, the anode of the diode is connected with the system dormancy enabling end, and the cathode of the diode is connected with the first end of the detection switch.
5. The control system for switching between main power and standby power in a sleep mode according to claim 1, wherein: the system main body is provided with a charging module, and the charging module is connected to the standby battery after being boosted by the boosting module.
6. A control device for switching between main power supply and standby power supply in a dormant state is characterized in that: the control system for switching between main power supply and standby power supply in a dormant state according to any one of claims 1 to 5.
CN202221398208.XU 2022-06-06 2022-06-06 Control system and control device for switching main power supply and standby power supply in dormant state Active CN217789381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221398208.XU CN217789381U (en) 2022-06-06 2022-06-06 Control system and control device for switching main power supply and standby power supply in dormant state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221398208.XU CN217789381U (en) 2022-06-06 2022-06-06 Control system and control device for switching main power supply and standby power supply in dormant state

Publications (1)

Publication Number Publication Date
CN217789381U true CN217789381U (en) 2022-11-11

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CN (1) CN217789381U (en)

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