CN216496705U

CN216496705U - Disinfection gun system

Info

Publication number: CN216496705U
Application number: CN202123394084.6U
Authority: CN
Inventors: 李洪洪; 朱冬; 王文才
Original assignee: Shenzhen Anshunkang Medical Electronics Co ltd
Current assignee: Shenzhen Anshunkang Medical Electronics Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-13
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a disinfection gun system, which comprises a main control module, and an interface module, a key module, an indicator light module, a charging module and a driving module which are respectively connected with the main control module, wherein: the interface module is connected with a power supply and used for supplying power to the system; the key module is used for providing an operation instruction to the main control module so as to enable the main control module to send out a driving signal; the indicating lamp module is used for emitting light under the control of the main control module; the charging module is respectively connected with the main control module and the battery and is used for charging the battery; and the driving module is connected with the air pump arranged in the disinfection gun and used for driving the air pump after receiving the driving signal. The utility model integrates a plurality of control functions through one PMU chip, so that the design of the disinfection gun becomes brief and portable, the circuit is simple, only a small amount of peripheral circuits are needed, and the volume of the system is greatly saved.

Description

Disinfection gun system

Technical Field

The utility model relates to the technical field of disinfection, in particular to a disinfection gun system.

Background

With the rapid development of intelligent products and the continuous update of medical equipment, disinfection technology is constantly changing.

Disinfection, refers to a method of killing pathogenic microorganisms, but not necessarily bacterial spores. Disinfection is usually achieved chemically. The main disinfection methods in the market at present use physical and chemical methods. The common disinfector comprises various products such as alcohol, a disinfecting machine, disinfectant, a disinfection cabinet, a disinfection gun, an air purifier and the like.

A disinfection gun is a common disinfection product. The disinfection rifle of producing on the market at present needs many integrated many chips to realize required function and control, for example, a chip control switch and function, and another chip control charges, uses multiple chip can make the design process become troublesome, needs to drive many chips simultaneously to it is high to use many chips also can bring the defective rate, and production is troublesome scheduling problem, and simultaneously, the cost of manufacture also can improve along with the use quantity of chip. The workload can be increased in the production process, the production time can be prolonged, and the production efficiency can be reduced. In addition, functions need to be realized through software writing programs, the problem of insufficient stability can also occur when the functions of a plurality of chips are written, and the bugs are difficult to search and modify.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a disinfection gun system to solve the problem that the existing disinfection gun needs to use a plurality of chips to realize the required functions.

In order to realize the purpose, the following technical scheme is adopted:

the utility model provides a disinfection rifle system, the system include host system, and respectively with interface module, button module, pilot lamp module, the module of charging, the drive module that host system connects, wherein:

the interface module is connected with a power supply and used for supplying power to the system;

the key module is used for providing an operation instruction to the main control module so that the main control module sends out a driving signal;

the indicating lamp module is used for emitting light under the control of the main control module;

the charging module is respectively connected with the main control module and the battery and is used for charging the battery;

the driving module is connected with an air pump installed in the disinfection gun and used for driving the air pump after receiving the driving signal.

Further, the interface module comprises a TYPE-C interface. The TYPE-C interface is wide in application range and convenient to use.

Furthermore, the system also comprises at least three wiring seats, wherein the at least three wiring seats are respectively used for connecting the driving module with the air pump, connecting the battery with the charging module, and connecting the indicator light module with the main control module. Important parts are connected through the wiring seat, and the assembly and the disassembly are convenient.

Further, the main control module comprises a PMU chip.

Further, the indicator light module comprises a charging indicator light and a working gear indicator light which are respectively connected with the PMU chip.

Further, the driving module includes a first MOS transistor, and a base of the first MOS transistor is connected to the PMU chip and configured to receive the driving signal; the emitter of the first MOS tube is grounded, and the collector of the first MOS tube is connected with the signal input end of the air pump.

Further, the drive module still includes the second MOS pipe, the base of second MOS pipe with the PMU chip is connected, is used for receiving drive signal, the projecting pole ground connection of second MOS pipe, the collecting electrode of second MOS pipe with the collecting electrode of first MOS pipe is connected at same diode anodal jointly, the negative pole of diode with the signal input part of air pump is connected.

Furthermore, a capacitor is connected in parallel to the diode. The functions of filtering and anti-interference are achieved.

By adopting the scheme, the utility model has the beneficial effects that:

the design of the disinfection gun is simplified and portable due to the fact that a plurality of control functions are integrated through one PMU chip;

the circuit is simple, only a small amount of peripheral circuits are needed, and the volume of the system is greatly saved.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a circuit schematic of the interface module of the present invention;

FIG. 3 is a schematic circuit diagram of a master control module according to the present invention;

FIG. 4 is a schematic circuit diagram of the charge indicator lamp of the present invention;

FIG. 5 is a schematic circuit diagram of the operating range indicator of the present invention;

FIG. 6 is a schematic circuit diagram of a driver module of the present invention;

fig. 7 is a schematic circuit diagram of the charging module of the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments.

Referring to fig. 1, a sterilization gun system comprises a main control module 1, and an interface module 2, a key module 3, an indicator light module 4, a charging module 5 and a driving module 6 which are respectively connected with the main control module 1, wherein:

the interface module 2 is connected with the power supply 7 and used for supplying power to the system;

the key module 3 is used for providing an operation instruction to the main control module 1 so that the main control module 1 sends out a driving signal;

the indicator light module 4 is used for emitting light under the control of the main control module 1;

the charging module 5 is respectively connected with the main control module 1 and the battery 8 and is used for charging the battery 8;

and the driving module 6 is connected with an air pump 9 arranged in the disinfection gun and used for driving the air pump 9 after receiving the driving signal.

The interface module 2 comprises a TYPE-C interface, as shown in FIG. 2,

pins

1, 2, 3, 4, 5 and 6 of the TYPE-C interface are seat fixing pins, the fixing pins are firmer due to welding and grounding, and pins A9 and B9 of the ports are power supplies 7 with front and back sides connected with 5V; the pins A5 and B5 are CC pins, the CC line is mainly used for module communication, and the CC line is firstly used for judging the insertion direction of the equipment: the host uses the CC1 to communicate with the equipment if the host is the forward plug or the reverse plug, and the reverse plug uses the CC 2; the ports A12 and B12 are grounded on the front side and the back side, and the TYPE-C interface is wide in application range and convenient to use.

The system further comprises at least three wiring seats 10, wherein the at least three wiring seats 10 are respectively used for connecting the driving module 6 and the air pump 9, connecting the battery 8 and the charging module 5, connecting the indicator light module 4 and the main control module 1. The connection of important parts by the terminal block 10 facilitates assembly and disassembly.

The main control module 1 comprises a PMU chip. As shown in the schematic diagram of a PMU chip in FIG. 3, a chip model LP7825A may be used, with pins defined as: the pin 1 BAT is the positive end of the battery 8, the capacitor C2 is a filter capacitor, and the ground is connected; a pin 2 GND is the negative end of the power supply 7 and is grounded; the 3 pin OUT is an output positive terminal, is connected with the driving module 6 and can generate PWM (pulse-width modulation) waves, namely driving signals, and the capacitor C3 is a reserved filter capacitor; the 4-pin LED is input by the indicator light module 4; the KEY of the 5 foot is input by the KEY module 3, and is effectively pulled down; the 6-pin IN is a charging input end and is connected with the interface module 2, 5V input is realized during charging, and the capacitor C1 is a filter capacitor.

As shown in fig. 4 and 5, the indicator light module 4 includes a charging indicator light D1 and a work position indicator light D2 respectively connected to the PMU chip.

Fig. 4 is a circuit diagram of the charging indicator light D1, which is connected to a 4-pin LED of the PMU chip for indicating a charging state, and fig. 5 is a circuit diagram of the operating range indicator light D2.

As shown in fig. 6, the driving module 6 includes a first MOS transistor Q1, and a base of the first MOS transistor Q1 is connected to the PMU chip for receiving the driving signal; the emitter of the first MOS transistor Q1 is grounded, and the collector of the first MOS transistor Q1 is connected to the signal input terminal of the air pump 9.

Referring to fig. 6, the driving module 6 further includes a second MOS transistor Q2, a base of the second MOS transistor Q2 is connected to the PMU chip for receiving the driving signal, an emitter of the second MOS transistor Q2 is grounded, a collector of the second MOS transistor Q2 and a collector of the first MOS transistor Q1 are connected to an anode of a same diode D3, and a cathode of the diode D3 is connected to the signal input terminal of the air pump 9.

Wherein, pin 1 of the first MOS transistor Q1 is a control pin, and is controlled by pin 3 of the PMU chip, and the resistor R42 is a pull-down resistor; the second MOS transistor Q2 is a reserved circuit, and in order to prevent the first MOS transistor Q1 from being burned out when the source and the drain of the transistor are reversely connected, a path is provided for the reverse induced voltage when the circuit has the reverse induced voltage, and the reverse induced voltage is prevented from breaking down the first MOS transistor Q1.

A capacitor C4 is connected in parallel to the diode D3. The functions of filtering and anti-interference are achieved.

As shown in fig. 7, a circuit diagram of a charging module is provided, which includes a charging chip U5, and a pin CHRG 1 of the charging chip U5 is unused and floating; 2 pin GND ground; the 3-pin BAT is connected with the charging current output end to provide charging current for the battery 8 and control the floating voltage to finally reach 4.2V, and the 4-pin VCC provides positive voltage input to supply power for the charger. A 5-pin PROG, a charging current programming, charging current monitoring and turn-off terminal, and a connecting resistor R17 to ground.

According to the embodiments, the utility model can integrate multiple control functions through one PMU chip, so that the design of the disinfection gun is simplified and portable; the circuit is simple, only a small amount of peripheral circuits are needed, and the volume of the system is greatly saved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a disinfection rifle system which characterized in that, the system include host system, and respectively with interface module, button module, pilot lamp module, the module of charging, drive module that host system connects, wherein:

2. The sterilization gun system of claim 1, wherein the interface module comprises a TYPE-C interface.

3. The sterilization gun system according to claim 1, further comprising at least three wire holders for connecting the driving module and the air pump, connecting the battery and the charging module, and connecting the indicator light module and the main control module, respectively.

4. The sterilization gun system of claim 1, wherein the master control module comprises a PMU chip.

5. The sterilization gun system according to claim 4, wherein the indicator light module includes a charge indicator light and a work position indicator light respectively connected to the PMU chip.

6. The sterilization gun system according to claim 4, wherein said driving module comprises a first MOS transistor, a base of said first MOS transistor being connected to said PMU chip for receiving said driving signal; the emitter of the first MOS tube is grounded, and the collector of the first MOS tube is connected with the signal input end of the air pump.

7. The sterilization gun system according to claim 6, wherein the driving module further comprises a second MOS transistor, a base of the second MOS transistor is connected to the PMU chip for receiving the driving signal, an emitter of the second MOS transistor is grounded, a collector of the second MOS transistor and a collector of the first MOS transistor are commonly connected to a positive electrode of a same diode, and a negative electrode of the diode is connected to the signal input terminal of the air pump.

8. The sterilization gun system as recited in claim 7, wherein a capacitor is connected in parallel across the diode.