CN217769592U

CN217769592U - Static automatic switching circuit of multi-power system

Info

Publication number: CN217769592U
Application number: CN202221438048.7U
Authority: CN
Inventors: 杨军燕; 马亮亮
Original assignee: Hengshui Zhifang Network Technology Co ltd
Current assignee: Hengshui Zhifang Network Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-08
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to a power switching technology field provides a many power system's static automatic switch-over circuit, including power module, power module's input electric connection has control circuit, and control circuit's input electric connection has external power source, and external power source's output electric connection has charging circuit, and charging circuit's output electric connection has internal battery and stand-by battery respectively, and internal battery and stand-by battery's output respectively with control circuit's input electric connection. Through above-mentioned technical scheme, when the power failure condition takes place among the prior art, unable timely power supply to can't guarantee the normal operating of intelligent water gauge internal work, and then very easily lead to the not accurate problem of measurement.

Description

Static automatic switching circuit of multi-power-supply system

Technical Field

The utility model relates to a power switching technology field, it is concrete relates to a many power system's static automatic switch-over circuit.

Background

At present, the intelligent water meter 2.0 is developing more and more quickly, and because the mechanical wear that does not have traditional mechanical water meter blocks up the scheduling problem, life is longer and longer, and market application prevalence is higher and higher, consequently more and more regional intelligent water meter that uses.

However, the traditional intelligent water meter is lack of a static automatic switching circuit, the intelligent water meter needs to continuously use electricity when in use, and when the power failure condition happens, the intelligent water meter cannot supply power timely, so that the normal operation of the internal work of the intelligent water meter cannot be guaranteed, further, the metering is very easy to cause inaccurate, and the intelligent water meter is not beneficial to actual application and operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a many power systems's static automatic switch-over circuit has solved in the correlation technique when the power failure condition takes place, unable timely power supply to the normal operating of the inside work of unable assurance intelligent water gauge, and then very easily leads to the not accurate problem of measurement.

The technical scheme of the utility model as follows: the utility model provides a many power system's static automatic switch-over circuit, includes power module, power module's input electric connection has control circuit, control circuit's input electric connection has external power, external power's output electric connection has charging circuit, charging circuit's output electric connection has internal battery and stand-by battery respectively, internal battery and stand-by battery's output respectively with control circuit's input electric connection.

Furthermore, the output end of the power supply module is electrically connected with a control module, a main MCU controller, a switching module and an auxiliary MCU controller are arranged inside the control module, the main MCU controller is electrically connected with the switching module in a two-way mode, and the auxiliary MCU controller is electrically connected with the switching module in a two-way mode.

Furthermore, the output end of the power supply module is electrically connected with a wireless communication module.

Furthermore, the output end of the control module is electrically connected with an interface module in a bidirectional mode.

Furthermore, the output end of the interface module is electrically connected with a sensor module in a bidirectional mode.

Furthermore, a first current sensor is arranged between the external power supply and the control circuit.

Further, a second current sensor is arranged between the internal battery and the control circuit.

The utility model discloses a theory of operation and beneficial effect do:

1. the utility model has the advantages that the utility model can pass through;

2. the utility model discloses well pass through.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of the internal module of the present invention;

fig. 2 is a schematic diagram of the internal principle of the control module of the present invention;

fig. 3 is a schematic diagram of the control circuit of the present invention.

In the figure: 1. a power supply module; 2. a control circuit; 3. an external power supply; 4. a charging circuit; 5. an internal battery; 6. a backup battery; 7. a first current sensor; 8. a second current sensor; 9. a wireless communication module; 10. a control module; 1001. a main MCU controller; 1002. a switching module; 1003. a secondary MCU controller; 11. an interface module; 12. sensor module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive work, are related to the scope of protection of the present invention.

Example 1

As shown in fig. 1 to fig. 3, the present embodiment provides a static automatic switching circuit of a multi-power system, which includes a power supply module 1, an input end of the power supply module 1 is electrically connected to a control circuit 2, an input end of the control circuit 2 is electrically connected to an external power source 3, an output end of the external power source 3 is electrically connected to a charging circuit 4, output ends of the charging circuit 4 are respectively electrically connected to an internal battery 5 and a backup battery 6, and output ends of the internal battery 5 and the backup battery 6 are respectively electrically connected to an input end of the control circuit 2.

In this embodiment, cooperate the use through setting up power module 1 and control circuit 2, can be under the state that does not have the power failure, use for equipment power supply through external power source 3, utilize the cooperation between external power source 3 and charging circuit 4 simultaneously, carry out charging operation to internal battery 5 and reserve battery 6, thereby guarantee the normal use of internal battery 5 and reserve battery 6, simultaneously under the state that has a power failure, utilize control circuit 2, the automatic switch power supply mode, utilize internal battery 5 to wholly carry out the power supply operation for equipment, still can utilize reserve battery 6 to supply power to control circuit 2 and power module 1 simultaneously, guarantee under the condition that internal battery 5 and reserve battery 6 all lack of electricity, equipment can normal operating.

Example 2

As shown in fig. 1 to fig. 3, based on the same concept as that of the foregoing embodiment 1, this embodiment further provides a static automatic switching circuit of a multi-power supply system, an output end of the power supply module 1 is electrically connected to the control module 10, a main MCU controller 1001, a switching module 1002 and an auxiliary MCU controller 1003 are disposed inside the control module 10, the main MCU controller 1001 is electrically connected to the switching module 1002 in a bidirectional manner, the auxiliary MCU controller 1003 is electrically connected to the switching module 1002 in a bidirectional manner, and when the main MCU controller is damaged, the main MCU controller 1001 can be switched to the auxiliary MCU controller 1003 for operation, thereby ensuring normal operation of internal components of the intelligent water meter.

Wherein, power module 1's output electric connection has wireless communication module 9, is convenient for better through wireless communication module 9 and is connected with remote terminal to can be better carry out remote control to equipment.

Wherein, the two-way electric connection of control module 10's output has interface module 11, through setting up interface module 11, and the better assurance equipment of being convenient for can the external equipment use.

Wherein, the two-way electric connection of interface module 11's output has sensor module 12, utilizes sensor module 12 to be convenient for better connecting the use to the sensor.

Wherein, be provided with first current sensor 7 between external power supply 3 and the control circuit 2, be convenient for better monitoring the current signal between external power supply 3 and the control circuit 2 through first current sensor 7.

Wherein, be provided with second current sensor 8 between internal battery 5 and the control circuit 2, be convenient for better monitoring the current signal between internal battery 5 and the control circuit 2 through second current sensor 8.

The working principle is as follows: through setting up power module 1 and control circuit 2 and cooperating the use, can be under the state that does not have a power failure, use for equipment power supply through external power source 3, utilize the cooperation between external power source 3 and the charging circuit 4 simultaneously, carry out charging operation to internal battery 5 and reserve battery 6, thereby guarantee the normal use of internal battery 5 and reserve battery 6, simultaneously under the state that has a power failure, utilize control circuit 2, the automatic switch power supply mode, utilize internal battery 5 to carry out power supply operation for equipment is whole, still can utilize reserve battery 6 to supply power to control circuit 2 and power module 1 simultaneously, guarantee under the condition that internal battery 5 and reserve battery 6 are all short of electricity, equipment can normal operating, utilize first current sensor 7 simultaneously, can monitor the current signal between external power source 3 and control circuit 2, and utilize second current sensor 8, can monitor the current signal between internal battery 5 and the control circuit 2, furthermore, when MCU main controller 1001 when the inside intelligent water gauge takes place the damage, accessible switch module 1002 switches to vice controller 1003 and carries out work, thereby guarantee the normal operating of the internal components of intelligent water gauge.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. The utility model provides a many power system's static automatic switch-over circuit, its characterized in that, includes power module (1), the input electric connection of power module (1) has control circuit (2), the input electric connection of control circuit (2) has external power source (3), the output electric connection of external power source (3) has charging circuit (4), the output of charging circuit (4) electric connection respectively has internal battery (5) and stand-by battery (6), the output of internal battery (5) and stand-by battery (6) respectively with the input electric connection of control circuit (2).

2. The static automatic switching circuit of the multi-power system according to claim 1, wherein the output end of the power supply module (1) is electrically connected to a control module (10), a main MCU controller (1001), a switching module (1002) and an auxiliary MCU controller (1003) are disposed inside the control module (10), the main MCU controller (1001) is electrically connected to the switching module (1002) in a bidirectional manner, and the auxiliary MCU controller (1003) is electrically connected to the switching module (1002) in a bidirectional manner.

3. The static automatic switching circuit of a multi-power system according to claim 1, wherein the output terminal of the power supply module (1) is electrically connected to a wireless communication module (9).

4. The static automatic switching circuit of a multi-power system as claimed in claim 2, wherein the output terminal of the control module (10) is electrically connected with the interface module (11) in two directions.

5. The static automatic switching circuit of a multi-power system according to claim 4, wherein the output terminal of the interface module (11) is electrically connected with the sensor module (12) in two directions.

6. The static automatic switching circuit of a multi-power supply system according to claim 1, wherein a first current sensor (7) is provided between the external power supply (3) and the control circuit (2).

7. Static automatic switching circuit of a multiple power supply system according to claim 1, characterized in that a second current sensor (8) is arranged between the internal battery (5) and the control circuit (2).