A two-in-one machine for pumping and blowing with multiple power supplies

Abstract

The present invention discloses a multi-channel power supply pumping and blowing two-in-one machine, which includes an MCU control unit and a pumping drive unit and a blowing drive unit electrically connected to the MCU control unit, a battery power supply and a 12V car power supply electrically connected to the pumping drive unit and the blowing drive unit, the MCU control unit is connected to a power switching unit for controlling the battery power supply or the 12V car power supply to power the pumping drive unit and the blowing drive unit, the pumping drive unit is connected to an air pump, the blowing drive unit is connected to an air pump, the MCU control unit is connected to a first voltage detection circuit for detecting the battery power supply voltage, and the MCU control unit is connected to a second voltage detection circuit for detecting the 12V car power supply voltage. The present invention has multiple power supplies, and can achieve the selection of any power supply from multiple power supplies for power supply, and can realize pumping or blowing work, it is very flexible and convenient to use, and has extremely strong market competitiveness.

Description

Technical field:

[0001] The invention relates to the field of electronic technology, in particular to a two-in-one machine for pumping and blowing with multiple power supplies. Background technology:

[0002] An air pump, also called an air inflator or an inflation pump, works by the operation of a motor and is an inflation tool.

[0003] The air pump in the prior art has a single input voltage, that is, it only has one power supply, which cannot be selected and is limited in use, making it inconvenient to use; the air pump in the prior art has a single working mode, which is inconvenient to use and causes great trouble to users.

[0004] In view of this, the inventor proposes the following technical solution. Summary of the invention:

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a two-in-one machine for pumping and blowing with multiple power supplies.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions: the multi-power supply two-in-one pumping and blowing machine includes an MCU control unit and an pumping drive unit and a blowing drive unit electrically connected to the MCU control unit, a battery power supply and a 12V car power supply electrically connected to the pumping drive unit and the blowing drive unit, the MCU control unit is also connected to a power switching unit for controlling the battery power supply or the 12V car power supply to power the pumping drive unit and the blowing drive unit, the pumping drive unit is connected to an pump, the blowing drive unit is connected to a blow pump, the MCU control unit is also connected to a first voltage detection circuit for detecting the battery power supply voltage, and the MCU control unit is also connected to a second voltage detection circuit for detecting the 12V car power supply voltage.

[0007] Furthermore, in the above technical solution, the MCU control unit is also connected to a pressure detection unit, and the pressure detection unit includes a pressure sensor, and the pressure sensor is connected to the MCU control unit.

[0008] Furthermore, in the above technical solution, the MCU control unit is also connected to a display unit, and the display unit is an LCD display screen.

[0009] Furthermore, in the above technical solution, the battery power supply is connected to an LDO to 5V voltage circuit, and the LDO to 5V voltage circuit is connected to the MCU control unit.

[0010] Furthermore, in the above technical solution, the MCU control unit is connected to an indicator light circuit unit, and the indicator light circuit unit includes a plurality of LED driving circuits and LED indicator lights connected to the LED driving circuits.

[0011] Furthermore, in the above technical solution, the MCU control unit is connected to a lighting and backlight circuit unit, and the lighting and backlight circuit unit includes a lighting circuit unit and a backlight circuit unit.

[0012] Furthermore, in the above technical solution, the MCU control unit is connected to a switch circuit unit, and the switch circuit unit includes a main switch button, a blowing button and an inflation button.

[0013] Further, in the above technical solution, the first voltage detection circuit includes a sampling resistor R15 and a sampling resistor R23 connected in series with each other, the sampling resistor R23 is grounded, the sampling resistor R15 is connected to the MOS tube Q33 and then connected to the battery power supply, and a pin of the MCU control chip in the MCU control unit is connected between the sampling resistor R15 and the sampling resistor R23; the second voltage detection circuit includes a sampling resistor R19 and a sampling resistor R25 connected in series with each other, the sampling resistor R25 is grounded, the sampling resistor R15 is connected to the MOS tube Q30 and then connected to the 12V car power supply, and a pin of the MCU control chip in the MCU control unit is connected between the sampling resistor R19 and the sampling resistor R25.

[0014] Furthermore, in the above technical solution, the power switching unit includes a first relay connected to the battery power supply, a transistor Q4 connected to the first relay, a second relay connected to the 12V automobile power supply, and a transistor Q31 connected to the second relay. The first relay is also connected to the inflation drive unit and the blowing drive unit, and the second relay is also connected to the inflation drive unit and the blowing drive unit. The transistor Q4 and the transistor Q31 are both connected to the MCU control unit.

[0015] Furthermore, in the above technical solution, the MCU control unit is connected to a coding circuit unit.

[0016] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art: when the present invention is working, after power-on, the first voltage detection circuit is used to detect the battery power supply voltage, and the second voltage detection circuit detects the 12V car power supply voltage. When the voltage detected by the second voltage detection circuit is greater than or equal to the set value, the MCU control unit cooperates with the power switching unit to control the 12V car power supply to power the inflation drive unit and the blowing drive unit. At the same time, the MCU control unit controls the inflation drive unit or the blowing drive unit to work, so as to drive the inflation pump or the blowing pump to work; when the voltage detected by the second voltage detection circuit is less than the set value, the MCU control unit cooperates with the power switching unit to control the battery power supply to power the inflation drive unit and the blowing drive unit. At the same time, the MCU control unit controls the inflation drive unit or the blowing drive unit to work, so as to drive the inflation pump or the blowing pump to work, thereby achieving the goal of selecting any one of the multiple power supplies for power supply, and realizing inflation or blowing work, which is very flexible and convenient to use, making the present invention highly competitive in the market. Description of the drawings:

[0017] Figure 1 is a circuit diagram of the present invention; Specific implementation method:

[0018] The present invention is further described below in conjunction with specific embodiments and drawings.

[0019] See Figure 1As shown, a multi-power supply two-in-one pumping and blowing machine includes an MCU control unit 1 and an pumping drive unit 2 and a blowing drive unit 3 electrically connected to the MCU control unit 1, a battery power supply 4 and a 12V car power supply 5 electrically connected to the pumping drive unit 2 and the blowing drive unit 3, the MCU control unit 1 is also connected to a power switching unit 6 for controlling the battery power supply 4 or the 12V car power supply 5 to supply power to the pumping drive unit 2 and the blowing drive unit 3, the pumping drive unit 2 is connected to an pump 21, the blowing drive unit 3 is connected to a blow pump 31, the MCU control unit 1 is also connected to a first voltage detection circuit 11 for detecting the voltage of the battery power supply 4, and the MCU control unit 1 is also connected to a second voltage detection circuit 12 for detecting the voltage of the 12V car power supply 5. When the present invention is working, after power-on, the first voltage detection circuit 11 is used to detect the voltage of the battery power supply 4, and the second voltage detection circuit 12 detects the voltage of the 12V automobile power supply 5. When the voltage detected by the second voltage detection circuit 12 is greater than or equal to the set value, the MCU control unit 1 cooperates with the power switching unit 6 to control the 12V automobile power supply 5 to supply power to the inflation drive unit 2 and the blowing drive unit 3. At the same time, the MCU control unit 1 controls the inflation drive unit 2 or the blowing drive unit 3 to work, so as to drive the inflation pump 21 or the blowing pump 31 to work; when the voltage detected by the second voltage detection circuit 12 is less than the set value, the MCU control unit 1 cooperates with the power switching unit 6 to control the battery power supply 4 to supply power to the inflation drive unit 2 and the blowing drive unit 3. At the same time, the MCU control unit 1 controls the inflation drive unit 2 or the blowing drive unit 3 to work, so as to drive the inflation pump 21 or the blowing pump 31 to work, so as to achieve the goal of selecting any one of the multiple power supplies for power supply, and realizing inflation or blowing work, which is very flexible and convenient to use, making the present invention highly competitive in the market.

[0020] The MCU control unit 1 is also connected to a pressure detection unit 13, which includes a pressure sensor 131. The pressure sensor 131 is connected to the MCU control unit 1. The pressure sensor 131 is used to drive the pressure of the air pump 21 or the air blowing pump 31. When an abnormality occurs, the air pump 21 or the air blowing pump 31 is controlled to stop working to achieve a protective effect.

[0021] The MCU control unit 1 is also connected to a display unit 14, which is an LCD display screen, so that the present invention has a display function.

[0022] The battery power source 4 is connected to an LDO to 5V voltage circuit 15 , and the LDO to 5V voltage circuit 15 is connected to the MCU control unit 1 to work for the MCU control unit 1 .

[0023] The MCU control unit 1 is connected to an indicator light circuit unit 16 , and the indicator light circuit unit 16 includes a plurality of LED driving circuits 161 and LED indicator lights connected to the LED driving circuits 161 .

[0024] The MCU control unit 1 is connected to a lighting and backlight circuit unit 17, which includes a lighting circuit unit 171 and a backlight circuit unit 172. The lighting circuit unit 171 is used to provide lighting in insufficient light conditions, and the backlight circuit unit 172 provides backlight for the entire machine.

[0025] The MCU control unit 1 is connected to a switch circuit unit 18 , which includes a main switch button 181 , a blowing button 182 and an inflating button 183 .

[0026] The first voltage detection circuit 11 includes a sampling resistor R15 and a sampling resistor R23 connected in series, the sampling resistor R23 is grounded, the sampling resistor R15 is connected to the MOS tube Q33 and then connected to the battery power supply 4, and a pin of the MCU control chip in the MCU control unit 1 is connected between the sampling resistor R15 and the sampling resistor R23; the second voltage detection circuit 12 includes a sampling resistor R19 and a sampling resistor R25 connected in series, the sampling resistor R25 is grounded, the sampling resistor R15 is connected to the MOS tube Q30 and then connected to the 12V car power supply 5, and a pin of the MCU control chip in the MCU control unit 1 is connected between the sampling resistor R19 and the sampling resistor R25.

[0027] The power switching unit 6 includes a first relay 61 connected to the battery power source 4, a transistor Q4 connected to the first relay 61, a second relay 62 connected to the 12V car power source 5, and a transistor Q31 connected to the second relay 62. The first relay 61 is also connected to the pumping drive unit 2 and the blowing drive unit 3. The second relay 62 is also connected to the pumping drive unit 2 and the blowing drive unit 3. The transistor Q4 and the transistor Q31 are both connected to the MCU control unit 1. The MCU control unit 1 controls the transistor Q4 to open, so that the first relay 61 is powered on to close, so that the battery power source 4 is connected to the pumping drive unit 2 and the blowing drive unit 3, and power is turned on; the MCU control unit 1 controls the transistor Q31 to open, so that the second relay 62 is powered on to close, so that the 12V car power source 5 is connected to the pumping drive unit 2 and the blowing drive unit 3, and power is turned on.

[0028] The MCU control unit 1 is connected to a coding circuit unit 19. The model of the MCU control chip in the MCU control unit 1 is HT67F2350LQFP-64.

[0029] To sum up, when the present invention is working, after power-on, the first voltage detection circuit 11 is used to detect the voltage of the battery power supply 4, and the second voltage detection circuit 12 detects the voltage of the 12V automobile power supply 5. When the voltage detected by the second voltage detection circuit 12 is greater than or equal to the set value, the MCU control unit 1 cooperates with the power switching unit 6 to control the 12V automobile power supply 5 to supply power to the inflation drive unit 2 and the blowing drive unit 3. At the same time, the MCU control unit 1 controls the inflation drive unit 2 or the blowing drive unit 3 to work, so as to drive the inflation pump 21 or the blowing pump 31 to work; when the voltage detected by the second voltage detection circuit 12 is less than the set value, the MCU control unit 1 cooperates with the power switching unit 6 to control the battery power supply 4 to supply power to the inflation drive unit 2 and the blowing drive unit 3. At the same time, the MCU control unit 1 controls the inflation drive unit 2 or the blowing drive unit 3 to work, so as to drive the inflation pump 21 or the blowing pump 31 to work, so as to achieve the goal of selecting any one of the multiple power supplies for power supply, and realizing inflation or blowing work, which is very flexible and convenient to use, making the present invention highly competitive in the market.

[0030] Of course, the above description is only a specific embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. All equivalent changes or modifications made according to the structure, characteristics and principles described in the patent application scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A two-in-one machine with multiple power supply for pumping and blowing, characterized in that: It comprises an MCU control unit (1), an air pumping drive unit (2) and an air blowing drive unit (3) electrically connected to the MCU control unit (1), a battery power supply (4) and a 12V automobile power supply (5) electrically connected to the air pumping drive unit (2) and the air blowing drive unit (3); the MCU control unit (1) is also connected to a power supply switching unit (6) for controlling the battery power supply (4) or the 12V automobile power supply (5) to supply power to the air pumping drive unit (2) and the air blowing drive unit (3); the air pumping drive unit (2) is connected to an air pump (21), the air blowing drive unit (3) is connected to an air blowing pump (31), the MCU control unit (1) is also connected to a first voltage detection circuit (11) for detecting the voltage of the battery power supply (4), and the MCU control unit (1) is also connected to a second voltage detection circuit (12) for detecting the voltage of the 12V automobile power supply (5); The first voltage detection circuit (11) comprises a sampling resistor R15 and a sampling resistor R23 connected in series, the sampling resistor R23 is grounded, the sampling resistor R15 is connected to the MOS tube Q33 and then connected to the battery power supply (4), and a pin of the MCU control chip in the MCU control unit (1) is connected between the sampling resistor R15 and the sampling resistor R23; the second voltage detection circuit (12) comprises a sampling resistor R19 and a sampling resistor R25 connected in series, the sampling resistor R25 is grounded, the sampling resistor R15 is connected to the MOS tube Q30 and then connected to the 12V car power supply (5), and a pin of the MCU control chip in the MCU control unit (1) is connected between the sampling resistor R19 and the sampling resistor R25; The power switching unit (6) comprises a first relay (61) connected to the battery power source (4), a transistor Q4 connected to the first relay (61), a second relay (62) connected to the 12V automobile power source (5), and a transistor Q31 connected to the second relay (62); the first relay (61) is also connected to the pumping drive unit (2) and the blowing drive unit (3); the second relay (62) is also connected to the pumping drive unit (2) and the blowing drive unit (3); the transistor Q4 and the transistor Q31 are both connected to the MCU control unit (1); After power is turned on, the first voltage detection circuit (11) is used to detect the voltage of the battery power source (4), and the second voltage detection circuit (12) detects the voltage of the 12V automobile power source (5). When the voltage detected by the second voltage detection circuit (12) is greater than or equal to a set value, the MCU control unit (1) cooperates with the power switching unit (6) to control the 12V automobile power source (5) to supply power to the inflation drive unit (2) and the blowing drive unit (3). At the same time, the MCU control unit (1) controls the inflation drive unit (2 ) or the blowing drive unit (3) to operate, so as to drive the air pump (21) or the blowing pump (31) to operate; when the voltage detected by the second voltage detection circuit (12) is less than a set value, the MCU control unit (1) cooperates with the power switching unit (6) to control the battery power supply (4) to supply power to the air pump drive unit (2) and the blowing drive unit (3); at the same time, the MCU control unit (1) controls the air pump drive unit (2) or the blowing drive unit (3) to operate, so as to drive the air pump (21) or the blowing pump (31) to operate.

2. A two-in-one machine for pumping and blowing with multiple power supplies according to claim 1, characterized in that: The MCU control unit (1) is also connected to a pressure detection unit (13), the pressure detection unit (13) comprising a pressure sensor (131), and the pressure sensor (131) is connected to the MCU control unit (1).

3. The multi-channel power supply two-in-one pumping and blowing machine according to claim 1, characterized in that: The MCU control unit (1) is also connected to a display unit (14), and the display unit (14) is an LCD display screen.

4. The multi-channel power supply two-in-one pumping and blowing machine according to claim 1, characterized in that: The battery power source (4) is connected to an LDO to 5V voltage circuit (15), and the LDO to 5V voltage circuit (15) is connected to the MCU control unit (1).

5. The multi-channel power supply two-in-one pumping and blowing machine according to claim 1, characterized in that: The MCU control unit (1) is connected to an indicator light circuit unit (16), and the indicator light circuit unit (16) comprises a plurality of LED drive circuits (161) and LED indicator lights connected to the LED drive circuits (161).

6. The multi-channel power supply two-in-one pumping and blowing machine according to claim 1, characterized in that: The MCU control unit (1) is connected to a lighting and backlight circuit unit (17), and the lighting and backlight circuit unit (17) comprises a lighting circuit unit (171) and a backlight circuit unit (172).

7. The multi-channel power supply two-in-one pumping and blowing machine according to claim 1, characterized in that: The MCU control unit (1) is connected to a switch circuit unit (18), and the switch circuit unit (18) comprises a main switch button (181), a blowing button (182) and an inflating button (183).

8. The multi-channel power supply two-in-one pumping and blowing machine according to claim 1, characterized in that: The MCU control unit (1) is connected to a coding circuit unit (19).

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