Liquid ejecting apparatus and liquid ejecting method thereof

Abstract

The invention relates to a liquid spraying device and a liquid spraying method thereof, and belongs to the technical field of spraying equipment. Comprising a shell, the top of the shell is connected with a first baffle, the middle of the first baffle is connected with a valve core, an air inlet of the valve core is detachably connected with an air compressor, the bottom face of the first baffle is connected with a high-pressure air chamber cavity, the first baffle and the high-pressure air chamber cavity form a high-pressure air chamber, and an air outlet of the valve core is communicated with the high-pressure air chamber. The bottom face of the high-pressure air chamber is connected with an inflation electromagnetic valve, an air inlet of the inflation electromagnetic valve is communicated with the high-pressure air chamber, an air outlet of the inflation electromagnetic valve is connected with a high-pressure air bag, the upper middle portion of the shell is connected with a second baffle, the high-pressure air bag is located below the second baffle, and one side of the second baffle is connected with a liquid filling valve. A liquid inlet of the liquid filling valve extends out of the first baffle, a plurality of spray head electromagnetic valves are connected to the shell at intervals, and the spray head electromagnetic valves are connected with spray heads. The maintenance and replacement cost of the liquid spraying device is reduced, and the application range is wide.

Description

Technical Field

[0001] The present invention relates to the technical field of injection equipment, and in particular to a liquid injection device and a liquid injection method thereof. Background Art

[0002] There are many scenarios in daily life that require the use of liquid spray devices, such as spraying disinfectants in disaster areas after natural disasters such as earthquakes and floods, spraying disinfectants in public places such as stations and airports, and spraying pesticides on farmland.

[0003] However, most of the existing liquid injection devices use the pressure generated by electric pumps, mechanical springs or piston movement as the driving force to spray liquid from the liquid injection device. These methods will cause the entire liquid injection device to use more mechanical components, which have a short service life, and it is not easy to replace or repair the damaged components, and the cost of use and maintenance is high. In addition, the use mode of the existing liquid injection device is relatively simple. The liquid injection device only has one of the two modes of fixed-point injection and portable mobile injection. Moreover, it cannot meet the requirements of some special environments that require multi-angle and wide-range injection, resulting in the need to use different devices for different scenes. The applicability of the liquid injection device is somewhat lacking, which also increases the purchase cost of the liquid injection device. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a liquid injection device and a liquid injection method thereof. The technical solution of the present invention is as follows:

[0005] In a first aspect, a liquid injection device is provided, which includes a shell, a first baffle is connected to the top of the shell, a valve core is connected to the middle of the first baffle, an air inlet of the valve core is detachably connected to an air compressor, a high-pressure air chamber cavity is connected to the bottom surface of the first baffle, a high-pressure air chamber is formed between the first baffle and the high-pressure air chamber cavity, an air outlet of the valve core is connected to the high-pressure air chamber, an air pressure sensor is connected to the bottom surface of the first baffle and the air pressure sensor is located in the high-pressure air chamber, an inflation solenoid valve is connected to the bottom surface of the high-pressure air chamber and the air inlet of the inflation solenoid valve is connected to the high-pressure air chamber, an air outlet of the inflation solenoid valve is connected to a high-pressure airbag, a second baffle is connected to the middle and upper part of the shell, the high-pressure airbag is located below the second baffle, a liquid filling valve is connected to one side of the second baffle, a liquid inlet of the liquid filling valve extends from the first baffle, a plurality of nozzle solenoid valves are connected to the shell at intervals, the nozzle solenoid valve is connected to a nozzle, and the air pressure sensor, the nozzle solenoid valve, the inflation solenoid valve and the air compressor are all electrically connected to a controller.

[0006] Optionally, the liquid spraying device further comprises a filter screen connected to the inner surface of the shell.

[0007] Optionally, the liquid injection device further includes an air release valve, which is connected to one side of the top surface of the first baffle, and the air release valve is electrically connected to the controller.

[0008] Optionally, the air pressure sensor is connected to the controller via a second wire.

[0009] Optionally, a handle is connected to the top surface of the first baffle.

[0010] Optionally, the inflation electromagnetic valve is connected to a control button via a first wire.

[0011] Optionally, the air inlet of the valve core is connected to an air compressor via an air charging pipe.

[0012] Optionally, a flange is connected to the edge of the top surface of the second baffle.

[0013] In a second aspect, a liquid injection method of a liquid injection device is provided, wherein the liquid injection device is the liquid injection device described in the first aspect, and the liquid injection method comprises:

[0014] S1, the controller controls the air compressor to fill the high-pressure air chamber with gas through the valve core, and the air pressure sensor detects the air pressure of the high-pressure air chamber in real time and sends the air pressure data to the controller;

[0015] S2, when the controller determines that the air pressure of the high-pressure air chamber reaches the preset pressure according to the air pressure data, the air compressor 20 is controlled to stop running;

[0016] S3, injecting the liquid to be sprayed into the shell through the liquid filling valve;

[0017] S4, when it is necessary to spray the liquid to be sprayed, the controller controls the inflation solenoid valve to open, the gas in the high-pressure air chamber is filled into the high-pressure airbag, the high-pressure airbag expands, and drives the liquid to be sprayed through at least one set of nozzle solenoid valves and nozzles to be sprayed out of the shell.

[0018] Optionally, the liquid injection method further comprises:

[0019] S5, when the spraying purpose is completed or the liquid to be sprayed inside the shell is sprayed, the controller controls the air release valve to open, the gas in the high-pressure air chamber and the high-pressure airbag is released, and the high-pressure airbag returns to its initial state.

[0020] All the above optional technical solutions can be combined arbitrarily, and the present invention does not provide detailed descriptions of the structures after the combinations.

[0021] By means of the above scheme, the beneficial effects of the present invention are as follows:

[0022] By arranging a valve core, a high-pressure air chamber, an inflatable electromagnetic valve and a high-pressure airbag, and driving liquid injection by filling the high-pressure gas in the high-pressure air chamber into the high-pressure airbag, a gas-driven liquid injection device is provided. Compared with the original method of driving liquid injection by pressure generated by an electric pump, a mechanical spring or piston movement, the high-pressure airbag made of flexible material has high durability and fatigue resistance, thereby extending the service life of the liquid injection device. In addition, since the component structure of the entire liquid injection device is simple and the assembly is quick, the maintenance and replacement process is also more convenient, thereby reducing the maintenance and replacement cost of the liquid injection device.

[0023] By setting the valve core to be detachably connected to the air compressor, it is possible to determine whether to connect the air compressor as needed during use, so that the liquid injection device is easy to carry and can have both fixed-point injection and portable mobile injection operation modes. It can be used in different scenarios and has a wide range of applications.

[0024] By connecting a plurality of nozzle electromagnetic valves and nozzles at intervals on the shell, multi-angle and wide-range liquid injection is achieved, further increasing the application range of the liquid injection device and reducing the purchase cost of the liquid injection device.

[0025] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention.

[0027] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0028] The accompanying drawings are marked as follows: 1-control button, 2-deflation valve, 3-first baffle, 4-high-pressure air chamber, 5-first wire, 6-second baffle, 7-nozzle, 8-nozzle electromagnetic valve, 9-liquid to be sprayed, 10-high-pressure airbag, 11-liquid filling valve, 12-housing, 13-inflation electromagnetic valve, 14-inflation pipe, 15-valve core, 16-second wire, 17-air pressure sensor, 18-filter, 19-handle, 20-air compressor, 21-flange, 22-high-pressure air chamber cavity. DETAILED DESCRIPTION

[0029] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] like Figure 1 and Figure 2As shown, the liquid injection device provided by the embodiment of the present invention includes a shell 12, a first baffle 3 is threadedly connected to the top of the shell 12, a valve core 15 is threadedly connected to the middle of the first baffle 3, an air inlet of the valve core 15 is detachably connected to an air compressor 20, a high-pressure air chamber cavity 22 is threadedly connected to the bottom surface of the first baffle 3, a high-pressure air chamber 4 is formed between the first baffle 3 and the high-pressure air chamber cavity 22, an air outlet of the valve core 15 is connected to the high-pressure air chamber 4, an air pressure sensor 17 is threadedly connected to the bottom surface of the first baffle 3 and the air pressure sensor 17 is located in the high-pressure air chamber 4, and an inflation electromagnetic valve is threadedly connected to the bottom surface of the high-pressure air chamber 4 13 and the air inlet of the inflation solenoid valve 13 is connected to the high-pressure air chamber 4, the air outlet of the inflation solenoid valve 13 is threadedly connected with the high-pressure airbag 10, the middle and upper part of the shell 12 is threadedly connected with the second baffle 6, the high-pressure airbag 10 is located below the second baffle 6, and one side of the second baffle 6 is threadedly connected with a liquid filling valve 11, the liquid inlet of the liquid filling valve 11 extends from the first baffle 3, and a plurality of nozzle solenoid valves 8 are threadedly connected at intervals on the shell 12, and the nozzle solenoid valve 8 is threadedly connected with the nozzle 7, and the air pressure sensor 17, the nozzle solenoid valve 8, the inflation solenoid valve 13 and the air compressor 20 are all electrically connected to the controller.

[0031] Among them, the thread tooth type of the above-mentioned threaded connection can be a triangle, and the direction of rotation is right-handed. The valve core 15 is used to inflate the high-pressure air chamber 4 through the air compressor 20. The air pressure sensor 17 is used to monitor the air pressure in the high-pressure air chamber 4 to ensure that the liquid injection device can operate normally. The controller can control the opening and closing of each group of nozzle electromagnetic valves 8 separately. The liquid 9 to be injected is loaded into the shell 12 through the liquid filling valve 11. The liquid 9 to be injected in the shell 12 and the gas in the high-pressure air chamber 4 can be replenished, thereby realizing the recycling of the entire liquid injection device. The air outlet of the inflation electromagnetic valve 13 is connected to the high-pressure airbag 10 through the second baffle 6. It should be noted here that the inflation electromagnetic valve 13 and the second baffle 6 are also threadedly connected. The liquid filling valve 11 can also be electrically connected to the controller, and the controller controls the liquid filling valve 11 to open and inject the liquid 9 to be injected from the liquid source into the shell 12.

[0032] In another embodiment, the liquid injection device further includes a filter screen 18, which is connected to the inner surface of the shell 12. The filter screen 18 is used to filter impurities inside the liquid 9 to be injected in the shell 12 to avoid clogging the nozzle electromagnetic valve 8 and the nozzle 7 and affecting the injection effect.

[0033] In another embodiment, the liquid injection device further includes a deflation valve 2, which is threadedly connected to one side of the top surface of the first baffle 3, and the deflation valve 2 is electrically connected to the controller. When the injection purpose is completed or the injection liquid 9 filled in the shell 12 is injected, the controller can control the deflation valve 2 to open, so that the gas in the high-pressure air chamber 4 and the high-pressure airbag 10 is released, and the high-pressure airbag 10 returns to the initial state.

[0034] In another embodiment, the air pressure sensor 17 is connected to the controller via the second wire 16, and this air pressure sensor 17 is a wired air pressure sensor. Of course, the air pressure sensor 17 can also be a wireless air pressure sensor.

[0035] In another embodiment, the top surface of the first baffle plate 3 is threadedly connected with a handle 19. The handle 19 is provided to facilitate holding and carrying the liquid spraying device and to facilitate threaded connection of the first baffle plate 3 and the housing 12.

[0036] In another embodiment, the inflation electromagnetic valve 13 is connected to the control button 1 through the first wire 5. When it is needed, the control button 1 is pressed to open the inflation electromagnetic valve 13. That is to say, the liquid injection device provided in this embodiment can realize the automatic opening of the inflation electromagnetic valve 13 under the control of the controller, and can also realize the manual opening of the inflation electromagnetic valve 13 by operating the control button 1.

[0037] In another embodiment, the air inlet of the valve core 15 is connected to the air compressor 20 through the air charging pipe 14. When the scene to be used does not require continuous injection of liquid, the connection between the air charging pipe 14 and the valve core 15 is disconnected, and the housing 12 is moved to the scene to be used, without the need to move the air compressor 20 and the air charging pipe 14, thereby achieving the purpose of portability.

[0038] In another embodiment, a flange 21 is fixedly connected to the edge of the top surface of the second baffle plate 6 , so as to facilitate threaded connection between the second baffle plate 6 and the housing 12 .

[0039] In another embodiment, the shell 12, the first baffle plate 3 and the second baffle plate 6 may be made of aluminum alloy or ABS plastic, so that the overall weight of the liquid spraying device is relatively light.

[0040] It should be noted that the selection of the high-pressure airbag 10 needs to be determined according to the spraying effect of the liquid spraying device. Different high-pressure airbags 10 need to be selected for different spraying effects of the liquid 9 to be sprayed, and it is necessary to ensure that the high-pressure airbag 10 can withstand a certain pressure and will not rupture prematurely during inflation. In addition, when in use, it is also necessary to select the gas pressure filled into the high-pressure air chamber 4 according to the spraying effect of the liquid spraying device and the condition of the high-pressure airbag 10.

[0041] The embodiment of the present invention further provides a liquid injection method of a liquid injection device, wherein the liquid injection device is the liquid injection device described in the above embodiment. For the specific composition structure of the liquid injection device, please refer to the content in the above embodiment. The liquid injection method of the liquid injection device includes:

[0042] S1, the controller controls the air compressor 20 to fill the high-pressure air chamber 4 with gas through the valve core 15, and the air pressure sensor 17 detects the air pressure of the high-pressure air chamber 4 in real time and sends the air pressure data to the controller;

[0043] S2, when the controller determines according to the air pressure data that the air pressure of the high-pressure air chamber 4 reaches the preset pressure, the air compressor 20 is controlled to stop running;

[0044] S3, injecting the liquid 9 to be sprayed into the housing 12 through the liquid filling valve 11;

[0045] S4, when it is necessary to spray the liquid 9 to be sprayed, the controller controls the inflation solenoid valve 13 to open, the gas in the high-pressure air chamber 4 is filled into the high-pressure airbag 10, the high-pressure airbag 10 expands, and drives the liquid 9 to be sprayed through at least one set of nozzle solenoid valves 8 and nozzles 7 to be sprayed out from the shell 12.

[0046] In another embodiment, the liquid ejection method further comprises:

[0047] S5, when the spraying purpose is completed or the liquid 9 to be sprayed inside the shell 12 is sprayed, the controller controls the deflation valve 2 to open, the gas in the high-pressure air chamber 4 and the high-pressure airbag 10 is released, and the high-pressure airbag 10 returns to its initial state.

[0048] In another embodiment, the liquid spraying method further comprises: filtering the liquid 9 to be sprayed through a filter screen 18 to prevent impurities inside the liquid 9 to be sprayed from clogging the spray head electromagnetic valve 8 and the spray head 7 .

[0049] The liquid injection device provided by the embodiment of the present invention has the following characteristics:

[0050] (1) A gas-driven liquid injection device is provided, which uses the high-pressure gas in the high-pressure gas chamber 4 to fill the high-pressure airbag 10 to drive liquid injection, replacing the original design of using the pressure generated by the electric pump, mechanical spring or piston movement as the driving force to eject liquid from the liquid injection device. Since the high-pressure airbag 10 is used as the device to drive liquid injection, the high-pressure airbag 10 made of flexible material has high durability and fatigue resistance, which prolongs the service life of the liquid injection device. In addition, since the component structure of the entire liquid injection device is simple and the assembly is quick, the maintenance and replacement process is also more convenient, which reduces the maintenance and replacement cost of the liquid injection device.

[0051] (2) Liquid is filled through the liquid filling valve 11. For situations where the liquid injection device needs to be carried to other locations, such as disinfection of disaster areas with disinfectants after natural disasters such as earthquakes and floods, and disinfection of public places such as stations and airports, the liquid injection device provided by the embodiment of the present invention can be easy to carry in the above scenarios (filling the high-pressure gas chamber 4 with gas in advance and injecting the liquid 9 to be injected into the shell 12). For scenarios where long-term injection at a fixed position is required, such as farm irrigation and livestock epidemic prevention and disinfection, the liquid injection device can continuously inject the liquid 9 to be injected into the shell 12 and fill the high-pressure gas chamber 4 with gas, thereby realizing the continuous use of the liquid injection device.

[0052] (3) Automatic liquid spraying is achieved through controller control. The opening and closing of each group of nozzle electromagnetic valves 8 is controlled individually by the controller, which can play a better role in specific scenarios. For example, in the automobile and urban road cleaning industry, the impact of opening a one-way spray is strong, and opening a small number of nozzles 7 during cleaning can effectively achieve directional cleaning; for the tree irrigation industry, by opening nozzles 7 in different directions, every corner of the tree can be effectively covered to ensure uniform liquid spraying. Therefore, the liquid spraying device provided by the embodiment of the present invention has strong applicability to different scenarios, reduces the cost of purchasing multiple liquid spraying devices, and has a wide range of applications.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principles of the present invention, and these improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A liquid injection device, characterized in that: The invention comprises a shell (12), the top of the shell (12) is connected to a first baffle (3), the middle of the first baffle (3) is connected to a valve core (15), the air inlet of the valve core (15) is detachably connected to an air compressor (20), the bottom surface of the first baffle (3) is connected to a high-pressure air chamber cavity (22), a high-pressure air chamber (4) is formed between the first baffle (3) and the high-pressure air chamber cavity (22), the air outlet of the valve core (15) is connected to the high-pressure air chamber (4), the bottom surface of the first baffle (3) is connected to an air pressure sensor (17) and the air pressure sensor (17) is located in the high-pressure air chamber (4), the bottom surface of the high-pressure air chamber (4) is connected to an inflation electromagnetic valve (13) and the inflation electromagnetic valve ( The air inlet of the shell (13) is connected to the high-pressure air chamber (4), the air outlet of the inflation electromagnetic valve (13) is connected to the high-pressure air bag (10), the middle and upper part of the shell (12) is connected to the second baffle (6), the high-pressure air bag (10) is located below the second baffle (6), one side of the second baffle (6) is connected to the liquid filling valve (11), the liquid inlet of the liquid filling valve (11) extends from the first baffle (3), a plurality of nozzle electromagnetic valves (8) are connected to the shell (12) at intervals, the nozzle electromagnetic valve (8) is connected to the nozzle (7), and the air pressure sensor (17), the nozzle electromagnetic valve (8), the inflation electromagnetic valve (13) and the air compressor (20) are all electrically connected to the controller.

2. The liquid ejecting device according to claim 1, wherein: It also includes a filter screen (18), which is connected to the inner surface of the shell (12).

3. The liquid ejecting device according to claim 1, wherein: It also includes an air release valve (2), which is connected to one side of the top surface of the first baffle (3), and the air release valve (2) is electrically connected to the controller.

4. The liquid ejecting device according to claim 1, wherein: The air pressure sensor (17) is connected to the controller via a second wire (16).

5. The liquid ejecting device according to claim 1, wherein: A handle (19) is connected to the top surface of the first baffle (3).

6. The liquid ejecting device according to claim 1, wherein: The inflation electromagnetic valve (13) is connected to a control button (1) via a first wire (5).

7. The liquid ejecting device according to claim 1, wherein: The air inlet of the valve core (15) is connected to the air compressor (20) through an air charging pipe (14).

8. The liquid ejecting device according to claim 1, wherein: The top edge of the second baffle (6) is connected with a flange (21).

9. A liquid ejecting method of a liquid ejecting device according to any one of claims 1 to 8, characterized in that: include: S1, the controller controls the air compressor (20) to fill the high-pressure air chamber (4) with gas through the valve core (15), and the air pressure sensor (17) detects the air pressure of the high-pressure air chamber (4) in real time and sends the air pressure data to the controller; S2, when the controller determines according to the air pressure data that the air pressure of the high-pressure air chamber (4) reaches a preset pressure, the air compressor (20) is controlled to stop running; S3, injecting the liquid to be sprayed (9) into the housing (12) through the liquid filling valve (11); S4, when it is necessary to spray the liquid (9) to be sprayed, the controller controls the inflation electromagnetic valve (13) to open, and the gas in the high-pressure air chamber (4) is filled into the high-pressure airbag (10), the high-pressure airbag (10) expands, and drives the liquid (9) to be sprayed to be sprayed through at least one set of nozzle electromagnetic valves (8) and nozzles (7) and out of the housing (12).

10. The liquid ejecting method according to claim 9, characterized in that: Also includes: S5, when the spraying purpose is completed or the liquid to be sprayed (9) inside the shell (12) is sprayed, the controller controls the air release valve (2) to open, the gas in the high-pressure air chamber (4) and the high-pressure airbag (10) is released, and the high-pressure airbag (10) returns to its initial state.

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