CN210445438U

CN210445438U - Integrated device for liquid collection level and flow monitoring and medicine box comprising integrated device

Info

Publication number: CN210445438U
Application number: CN201921226296.3U
Authority: CN
Inventors: 高廉洁; 徐进; 王超; 任乐乐
Original assignee: Shanghai Topxgun Aviation Technology Co ltd
Current assignee: Nanjing tuogong Intelligent Technology Co.,Ltd.
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-05
Anticipated expiration: 2029-07-31

Abstract

The utility model belongs to the technical field of unmanned aerial vehicles, in particular to an integrated device for liquid collecting position and flow monitoring and a medicine box comprising the same, wherein the integrated device comprises a measuring device, a first input pipe, a second input pipe and an output pipe, one end of the first input pipe is connected with a medicine outlet of the medicine box, the other end of the first input pipe is connected with the measuring device, one end of the second input pipe is inserted into the medicine box from the bottom of the medicine box, and the other end of the second input pipe is connected with the measuring device; the measuring device comprises a shell, and a flow sensor and a patch type liquid level meter which are arranged in the shell, wherein the flow sensor is used for detecting the amount of liquid medicine flowing through the flow sensor, and the patch type liquid level meter is arranged in the shell in a sticking way; the output pipe is used for conveying the liquid medicine flowing out of the measuring device after passing through the flow sensor. The utility model provides an integrated device reaches medical kit that contains it integrates level gauge and flow sensor in a device, has saved the operation of installing level gauge and flow sensor respectively, has simplified the tube coupling, convenient operation and swift.

Description

Integrated device for liquid collection level and flow monitoring and medicine box comprising integrated device

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to an integrated device for liquid collection level and flow monitoring and a medicine box with the integrated device.

Background

A drone is an unmanned aerial vehicle that is operated by a radio remote control device or by its own programmed control means. With the rapid development of the unmanned aerial vehicle industry, more and more unmanned aerial vehicles are applied to industries such as agriculture, forestry, electric power, surveying and mapping, remote measurement and the like. Utilize plant protection unmanned aerial vehicle to spray insecticide, not only can use manpower and materials sparingly, can also keep away from remote operation, avoid spraying operation personnel contact pesticide, improved the security of pesticide spraying operation and sprayed efficiency.

Plant protection unmanned aerial vehicle need adopt the flowmeter to monitor the pesticide volume of spraying at the in-process that sprays the pesticide, adopts the interior liquid medicine volume of level gauge monitoring medical kit, and the flowmeter pastes outside the medical kit usually, through the liquid outlet and the water pump of hose connection medical kit, because the flowmeter adopts sticky subsides at the medical kit outer wall, and is fixed insecure, drops easily. The liquid level meter usually adopts a floating ball type liquid level meter and a surface mount type liquid level meter, the original structure of the medicine box is required to be changed when the floating ball type liquid level meter is installed, the adaptability is low, one medicine box structure is adapted to the floating ball type liquid level meter, and in addition, the residual medicine amount in the medicine box is not convenient to monitor according to the requirement; the mounting position of the patch type liquid level meter needs to be considered, and the patch type liquid level meter is fixed on the outer wall of the medicine box in a bonding mode and is easy to fall off after being exposed outside for a long time. In addition, the liquid level meter and the flowmeter are installed separately, a plurality of connecting hoses are needed, the installation is complicated, the connecting hoses are inconvenient to assemble and disassemble, and the connecting hoses are easy to bend, so that the liquid flow cannot be smooth, and the measuring accuracy is influenced.

Disclosure of Invention

In order to solve the technical problems, the invention provides an integrated device for liquid collecting level and flow monitoring and a medicine box comprising the integrated device.

In order to achieve the technical effect, the invention adopts the following technical scheme: the invention provides an integrated device for liquid collection level and flow monitoring, which is connected with a medicine outlet at the bottom of a medicine box, and comprises a measuring device, a first input pipe, a second input pipe and an output pipe, wherein one end of the first input pipe is connected with the medicine outlet of the medicine box, the other end of the first input pipe is connected with the measuring device, one end of the second input pipe is inserted into the medicine box from the bottom of the medicine box, and the other end of the second input pipe is connected with the measuring device; the measuring device comprises a shell, and a flow sensor and a patch type liquid level meter which are arranged in the shell, wherein the flow sensor is used for detecting the amount of liquid medicine flowing through the flow sensor, and the patch type liquid level meter is arranged in the shell in a sticking manner; the output pipe is used for conveying the liquid medicine flowing out of the measuring device after passing through the flow sensor.

The integrated device for liquid level collection and flow monitoring provided by the invention can be used for monitoring the flow and the liquid level of liquid in the medicine box, is convenient to install, only needs to connect the first input pipe and the second input pipe with the medicine box respectively, simplifies the pipeline connection, does not need to consider the installation positions of a flowmeter and a liquid level meter on the medicine box, is convenient to operate, is suitable for different medicine boxes, and is beneficial to improving the measurement accuracy.

As an improvement on the structure of the invention, a sealed cabin and a liquid flow rate are formed in the shell of the measuring device

A capacitance patch type liquid level meter is attached to the position, corresponding to the second input pipe, in the sealed bin; the liquid flow measuring bin is internally provided with an accommodating cavity for mounting the flow sensor, the accommodating cavity is connected with liquid channels formed in the liquid flow measuring bin, the number of the liquid channels is three, the accommodating cavity comprises a first liquid channel, a second liquid channel and a third liquid channel, one end of the first liquid channel is connected with the first input pipe, the other end of the first liquid channel is connected with the accommodating cavity, one end of the second liquid channel is connected with the accommodating cavity, and the other end of the second liquid channel penetrates through the measuring device along the linear flow direction of the liquid and then is communicated with the output pipe; one end of the third liquid channel is connected with the second input pipe, and the other end of the third liquid channel is communicated with the first liquid channel.

As an improvement on the structure of the invention, a valve for controlling the on-off of the liquid medicine is arranged at one end of the first liquid channel, which is close to the containing cavity.

As an improvement on the structure of the invention, the valve comprises a valve body, the end part of the valve body is connected with a knob, the valve body is provided with a through hole communicated with the first liquid channel, the side part of the measuring device is inwards provided with a slot which is intersected and communicated with the first liquid channel, the slot comprises a slot opening, the valve body is inserted into the slot through the slot opening, the slot opening is provided with an installation cover, the valve body is clamped at the inner side of the installation cover, and the knob passes through the installation cover and is positioned at the outer side of the installation cover.

As an improvement on the structure of the invention, the invention also comprises a filtering device arranged along the flowing direction of the liquid, wherein the filtering device comprises a shell, a filtering net rack and a connecting cover, one end of the shell is open, the other end of the shell is connected with the measuring device, the connecting cover is connected with the opening of the shell, the connecting cover is provided with a conveying through hole, and the output pipe is connected with the conveying through hole.

On the other hand, the invention provides a medicine box which comprises a box body, a medicine outlet and a medicine box cover, wherein the bottom of the box body is provided with the medicine outlet, the medicine box cover is connected to the medicine outlet in a threaded mode, the bottom of the medicine box cover is provided with a medicine passing opening, the medicine box further comprises the integrated device, and the integrated device is connected to the medicine passing opening.

By adopting the technical scheme, the method has the following beneficial effects: according to the integrated device for monitoring the liquid level and the flow and the medicine box comprising the integrated device, the liquid level meter and the flow sensor are integrated in one device and are directly installed at the medicine outlet of the medicine box, so that the operation of respectively installing the liquid level meter and the flow sensor is omitted, the special installation position on the medicine box is not required to be reserved, the pipeline connection is simplified, and the operation is convenient and fast; the integrated device is adaptive to various medicine boxes, and the length of a second input pipe inserted into the medicine boxes can be controlled according to needs, so that the depth of the measured liquid level is adjusted; the level gauge and the flow sensor are integrated in the shell of the measuring device, and are not easy to damage and beneficial to prolonging the service life compared with the liquid level gauge and the flow sensor which are installed outside the medicine box.

Drawings

FIG. 1 is a schematic diagram of an internal structure of an integrated device for liquid level collection and flow monitoring provided in an embodiment of the present invention;

FIG. 2 is a schematic diagram of an overall structure of an integrated device for liquid level collection and flow monitoring provided in an embodiment of the present invention;

FIG. 3 is a schematic view of the integrated device on the opposite side of FIG. 1;

FIG. 4 is a bottom view of FIG. 2;

fig. 5 is a schematic structural diagram of a medicine box according to an embodiment of the present invention.

In the figure:

1. a first input pipe; 2. a second input pipe; 3. a first liquid channel; 4. a second liquid passage; 5. a third liquid channel; 6. an accommodating chamber; 7. an impeller; 8. a valve body; 8.1, through holes; 9. a first seal ring; 10. an output pipe; 11. sealing the bin; 12. a patch type liquid level meter; 13. a magnetic sensor; 14. a housing; 15. installing a cover; 16. a sealing cover; 17. a magnetic sheet; 18. a housing; 19. a connecting cover; 20. a bin cover; 21. a filter screen frame; 22. a second seal ring;

100. a medicine chest; 101. a medicine box cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

"plurality" means two or more unless otherwise specified.

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

Example 1:

the embodiment provides a medicine box, refer to the figure, and this medicine box 100 includes the box, the bottom half is equipped with out the medicine mouth, still includes medicine case lid 101, medicine case lid threaded connection is in go out the medicine mouth, medicine mouth has been seted up to medicine case lid bottom, still includes the integrated device of liquid collection level and flow monitoring, the integrated device is connected pass medicine mouth department. The integrated device comprises a measuring device, a first input pipe 1, a second input pipe 2 and an output pipe 10, wherein one end of the first input pipe 1 is connected with a medicine outlet of the medicine box 100, and the other end of the first input pipe 1 is connected with the measuring device; one end of the second input pipe 2 is inserted into the medicine box from the bottom of the medicine box, a quick joint is arranged on the medicine box cover 101, the second input pipe 2 penetrates through the quick joint to be inserted into the medicine box, the length of the second input pipe inserted into the medicine box determines the liquid level depth which can be sensed, and the other end of the second input pipe 2 is connected with the measuring device;

the measuring device comprises a shell 14, a flow sensor and a patch type liquid level meter 12, wherein the flow sensor and the patch type liquid level meter 12 are arranged in the shell 14, the flow sensor is used for detecting the amount of liquid medicine flowing through the flow sensor, and the patch type liquid level meter 12 is arranged in the shell 14 in a sticking mode; the output pipe 10 is used for conveying the liquid medicine which flows out of the measuring device after passing through the flow sensor. Liquid medicine in the medical kit flows into measuring device's casing 14 in through first input tube 1, and the flow sensor flows through, then export by output tube 10, the medical kit that provides is done to this embodiment is used for plant protection unmanned aerial vehicle, output tube 10 is connected with the water pump through connecting, the liquid medicine pump in with the liquid medicine of water pump pumps the back and carries to sprinkler, flow sensor can real-time sensing outflow liquid medicine flow to signal of telecommunication send monitored to unmanned aerial vehicle's flight control ware. Whether paster formula level gauge can sense the second input tube and contain the liquid medicine, and when the liquid medicine was less than the entry of second input tube in the medicine box, there was not the liquid medicine in the second input tube, and the level gauge sends the signal of telecommunication that senses to flight controller, can know the ground, and the level gauge passes through the connecting wire and is connected with flight controller, and flight controller control reminding device sends warning information to remind the user in time to supply the liquid medicine. The user can adjust the length of the second input pipe inserted into the medicine box according to the type of the medicine box or the actual requirement, so that the reminding is controlled to be sent when a large amount of liquid medicine remains in the medicine box. It should be noted that the patch type level meter is available, and can be purchased directly from the market, and a level meter attached to an existing medicine box can be used.

Example 2:

on the basis of the above embodiment 1, the present embodiment provides a measuring apparatus having a seal formed in a case

The device comprises a cabin 11 and a liquid flow measuring cabin, wherein a cabin cover 20 is arranged on the sealed cabin 11, and the cabin cover 20 is connected with a cabin opening of the sealed cabin 11 in a sealing mode through screws. The measuring device is preferably a rectangular body, which is divided into two parts, wherein one part is a sealed cabin, the other part is a liquid flow measuring cabin, and the two cabins are not communicated with each other; a patch type liquid level meter 12 is attached to the position, corresponding to the second input pipe, in the sealed bin 11; the liquid flow measuring bin is integrally of a solid structure, an accommodating cavity 6 for installing the flow sensor is arranged in the liquid flow measuring bin, the accommodating cavity 6 is connected with liquid channels formed in the liquid flow measuring bin, the number of the liquid channels is three, the accommodating cavity 6 comprises a first liquid channel 3, a second liquid channel 4 and a third liquid channel 5, one end of the first liquid channel 3 is connected with the first input pipe 1, the other end of the first liquid channel is connected with the accommodating cavity 6, one end of the second liquid channel 4 is connected with the accommodating cavity 6, and the other end of the second liquid channel penetrates through the measuring device along the linear liquid flowing direction and then is communicated with the output pipe 10; one end of the third liquid channel 5 is connected with the second input pipe 2, and the other end is communicated with the first liquid channel 3.

In order to facilitate the installation and clean the flow sensor who holds the intracavity, it is equipped with the opening to hold chamber 6, the opening is seted up on the casing, set sealed lid 16 on the opening, sealed lid 16 can pass through the screw fixation at the opening part, directly opens sealed lid and can wash or change the flow sensor who holds the intracavity, convenient operation and swift.

In this embodiment, it is preferred that flow sensor includes impeller 7, magnetic sheet 17 and magnetic sensor 13, impeller 7 rotates to be located hold the chamber bottom with between the sealed lid 16, hold chamber 6 and be equipped with entry and export, entry and export are located same straight line, and first liquid passage 3, second liquid passage 4 meet with entry, export respectively, and the central line of first liquid passage 3 and second liquid passage 4 is located same straight line to can make and directly have the export to flow after getting into the liquid medicine that holds the intracavity and pushing impeller 7.

The impeller includes the blade, the blade is equipped with four, and every all be provided with on the blade the magnetic sheet, magnetic sensor 13 is located on the sealed storehouse and corresponding to impeller position, in this embodiment, preferably, magnetic sensor is hall sensor, and hall sensor is connected with unmanned aerial vehicle's flight controller. Liquid medicine in the medical kit all has the water pump in water pump (current plant protection unmanned aerial vehicle sprinkler system, here do not give unnecessary details) effect down through first input tube 1, first liquid passage 3 flows in and holds in chamber 6, and simultaneously, the liquid of second input tube 2 converges into first liquid passage 3 through third liquid passage 5, the intersection of first liquid passage 3 and third liquid passage 5 is located the one side that holds the chamber entry, thereby ensure flow monitoring's accuracy, the liquid medicine that flows out from holding the chamber entry via first input tube 1 and second input tube 2 gets into, promote impeller 7 and rotate, make hall sensor can the rotation of perception, and send pulse signal to plant protection unmanned aerial vehicle's controller, and then the flow that reachs the liquid medicine according to the rotational speed of magnetic sheet. With the SMD level gauge integration of hall sensor and electric capacity on a device, not only can the flow and the liquid level of accurate monitoring liquid medicine, can save the loaded down with trivial details complicated installation and the connection process of flowmeter and level gauge moreover, need not to reserve installation space on the medical kit moreover.

Example 3:

in addition to embodiment 1 or embodiment 2, in order to facilitate the control of the on/off of the chemical liquid and to prevent the chemical liquid in the medicine box from being poured out when the integrated device needs to be cleaned, a valve for controlling the on/off of the chemical liquid is provided at one end of the first liquid passage 3 adjacent to the accommodating chamber 6. When the integrated device is required to work to monitor the flow and the liquid level of the liquid medicine in the medicine chest, the valve is opened. When the integrated device needs to be cleaned, the valve is closed, the sealing cover is directly opened to carry out the operation on the impeller in the accommodating cavity, and the operation is convenient and fast.

In this embodiment, specifically, the valve includes a valve body 8, a knob is connected to an end of the valve body 8, a through hole 8.1 communicating with the first liquid passage is formed in the valve body, a slot intersecting and communicating with the first liquid passage is formed in the measuring device from a side portion inward, the slot includes a slot, the valve body is inserted into the slot through the slot, a mounting cover 15 is disposed on the slot, the valve body is clamped inside the mounting cover, the knob penetrates the mounting cover and is located outside the mounting cover, in this embodiment, the mounting cover is preferably in a threaded connection manner, and is connected to the slot, the mounting cover is provided with external threads, the slot is provided with internal threads, the mounting cover presses the valve body into the slot, the mounting cover is provided with an opening through which the knob penetrates, it should be noted that the valve body and the slot are in a tight fit state, and the valve body can rotate relative to the slot under the action of external, thereby enabling adjustment of the position of the through-hole.

The valve body 8 with inlay between the slot inner wall and be equipped with first sealing washer 9, first sealing washer sealing connection is between valve body and slot inner wall, avoids the liquid medicine to flow by the gap between valve body and the slot, is favorable to improving flow measurement's precision.

When the integrated device works normally, the knob is rotated to rotate the valve body to the position where the through hole is communicated with the first liquid channel, the valve is opened, and the liquid medicine flowing out of the third liquid channel and the liquid medicine flowing into the first liquid channel through the first input pipe pass through the through hole of the valve and flow into the accommodating cavity. When the flow sensor in the containing cavity needs to be cleaned, the knob is rotated by 90 degrees, and the valve body blocks the first liquid channel, so that liquid is prevented from flowing through the first liquid channel.

Example 4:

the current medical kit can set up filter net frame 21 respectively at medical kit injection mouth and play medicine mouth, filters the impurity in the liquid medicine to avoid causing the jam and influence plant protection to water pump or shower nozzle and spray effect and efficiency. When in the plant protection operation process, if the filter screen takes place to block up and needs to wash, must pour the back into with the liquid medicine in the medical kit earlier and dismantle filter screen frame 21, the operation is inconvenient, still need inject the liquid medicine into the medical kit after washing the filter screen again in, the process is loaded down with trivial details and time consuming, is unfavorable for plant protection operating efficiency.

In order to overcome the above problem, the integrated device that this embodiment provided still includes the filter equipment who sets up along the liquid flow direction, filter equipment includes shell 18, filter screen frame 21 and

connection lid

19, 18 one end openings of shell, the other end with measuring device meets, it connects to connect lid 19 the opening part of shell 18, connecting and having seted up delivery port on the lid 19, output tube 10 with delivery port connects, and optionally, output tube 10 passes through quick-operation joint and is connected with the delivery port who connects lid 19. Preferably, the housing 18 of the filter device is integrated with the housing of the measuring device in the above embodiment, that is, the housing of the integrated device provided in this embodiment includes a rectangular measuring device housing and a cylindrical filter device housing, a sealed chamber and a liquid flow measuring chamber are formed in the measuring device housing, a cylindrical accommodating chamber for installing a filter net rack 21 is formed in the filter device housing, the filter net rack is cylindrical, one end of the filter net rack is open, and the other end of the filter net rack is closed, wherein one end of the open is communicated with the measuring device, a gap exists between the closed end and the connecting cover 19, and a filter net is covered on the cylinder body; the cylindrical holding cavity is communicated with a second liquid channel of the liquid flow measuring bin, liquid medicine flows through the impeller of the holding cavity and is conveyed to the filter screen frame through the second liquid channel, the liquid medicine flows through a gap between the filter screen frame and the connecting cover after being filtered by the filter screen on the cylinder body, flows into the output pipe through the conveying through holes on the connecting cover and flows out through the output pipe.

The direct cartridge of filter screen frame 21 that this embodiment provided is at cylinder holding intracavity, and filter screen frame both ends butt respectively between cylinder holding chamber bottom and connection lid 19, and wherein the inboard protrusion of connection lid has the pressure platform, and connection lid threaded connection presses the platform to support on filter screen frame behind the measuring device casing, can fix filter screen frame in cylinder holding intracavity on the one hand, need not additionally to use the connecting piece moreover, and on the other hand leaves the clearance that supplies the liquid medicine to pass through for between connection lid and the filter screen frame. Optionally, the filter screen frame can be a plurality of, and this embodiment provides two filter screen racks, and this filter equipment has two-layer filter effect, including interior filter screen frame and outer filter screen frame, outer filter screen frame cover is established in the interior filter screen frame outside, and the both ends of interior filter screen frame are blocked respectively and are located between cylinder holding chamber and the outer filter screen frame, leave the clearance between two filter screen frame's the filter screen and supply secondary filter.

In order to improve the filter effect, when avoiding the liquid medicine to get into filter equipment, partial liquid medicine flows in from the gap between filter screen frame and the cylinder holding chamber, and this embodiment is in filter screen frame bottom periphery with be equipped with second sealing washer 22 between the shell inner wall, specifically, the outside extension of filter screen frame 21 bottom periphery has the round boss, is equipped with the round recess on the boss, and the sealing washer card is located in the recess and sealing connection is between recess inner wall and cylinder holding intracavity wall.

The integrated device provided by the embodiment integrates the functions of liquid level and flow monitoring and filtering, the operations of respectively installing a liquid level meter, a flow meter and a filter screen are omitted, the pipeline connection is simplified, the installation is convenient and rapid, and the time and the labor are saved; the liquid level depth monitored is convenient to adjust without changing the structure of the medicine box to adapt to a liquid level meter, the length of a second input pipe inserted into the medicine box is only required to be controlled, different filter net rack structures are not required to be customized according to the structure of the medicine box, the space of the medicine box is saved, the installation position of a flow meter is not required to be considered, and the integrated device is wide in universality and is suitable for various medicine boxes; the washing is convenient, when wasing flow sensor, only needs open the sealed lid that holds the chamber, takes out the impeller, directly washs impeller and the intracavity portion that holds. When the filter screen is cleaned, the filter screen frame is taken out for independent cleaning only by opening the connecting cover, the inner wall of the cylindrical accommodating cavity of the filter device is washed, the integrated device and the medicine box are not required to be detached in the cleaning process, the operation is convenient, and the cleaning can be carried out at any time.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The integrated device for monitoring the liquid collection position and the flow is connected with a medicine outlet at the bottom of a medicine box and is characterized by comprising a measuring device, a first input pipe (1), a second input pipe (2) and an output pipe (10), wherein one end of the first input pipe (1) is connected with the medicine outlet of the medicine box (100), the other end of the first input pipe is connected with the measuring device, one end of the second input pipe (2) is inserted into the medicine box (100) from the bottom of the medicine box (100), and the other end of the second input pipe is connected with the measuring device; the measuring device comprises a shell (14), and a flow sensor and a patch type liquid level meter (12) which are arranged in the shell (14), wherein the flow sensor is used for detecting the amount of liquid medicine flowing through the flow sensor, and the patch type liquid level meter (12) is arranged in the shell (14) in a sticking manner; the output pipe (10) is used for conveying the liquid medicine flowing out of the measuring device after passing through the flow sensor.

2. The integrated device according to claim 1, wherein a sealed bin (11) and a liquid flow measuring bin are formed in a shell (14) of the measuring device, and a patch type liquid level meter (12) is attached to a position, corresponding to the second input pipe (2), in the sealed bin (11); the liquid flow measuring device is characterized in that an accommodating cavity (6) for installing the flow sensor is arranged in the liquid flow measuring bin, the accommodating cavity (6) is connected with liquid channels formed in the liquid flow measuring bin, the number of the liquid channels is three, the accommodating cavity comprises a first liquid channel (3), a second liquid channel (4) and a third liquid channel (5), one end of the first liquid channel (3) is connected with the first input pipe (1), the other end of the first liquid channel is connected with the accommodating cavity (6), one end of the second liquid channel (4) is connected with the accommodating cavity (6), and the other end of the second liquid channel penetrates through the measuring device along the linear liquid flowing direction and then is communicated with the output pipe (10); one end of the third liquid channel (5) is connected with the second input pipe (2), and the other end is communicated with the first liquid channel (3).

3. The integrated device according to claim 2, wherein a valve for controlling the on-off of the liquid medicine is arranged at one end of the first liquid passage (3) close to the accommodating cavity (6).

4. The integrated device according to claim 3, wherein the valve comprises a valve body (8), a knob is connected to an end of the valve body (8), a through hole (8.1) communicated with the first liquid passage (3) is formed in the valve body (8), a slot which is intersected and communicated with the first liquid passage is formed in the measuring device from the side inwards, the slot comprises a notch, the valve body (8) is rotatably inserted into the slot through the notch, a mounting cover (15) is arranged on the notch, the valve body (8) is clamped on the inner side of the mounting cover (15), and the knob penetrates through the mounting cover (15) and is located on the outer side of the mounting cover (15).

5. The integrated device according to claim 4, characterized in that a first sealing ring (9) is embedded between the valve body (8) and the inner wall of the slot.

6. Integrated device according to claim 2, characterized in that said housing chamber (6) is provided with an opening onto said casing, provided with a sealing cover (16).

7. The integrated device according to claim 6, wherein the flow sensor comprises an impeller (7), magnetic sheets (17) and a magnetic sensor (13), the impeller (7) is rotatably arranged between the bottom of the accommodating cavity (6) and the sealing cover (16), the impeller (7) comprises four blades, each blade is provided with the magnetic sheet (17), and the magnetic sensor is arranged on the sealing bin (11) and corresponds to the position of the impeller.

8. The integrated device according to claim 1, further comprising a filtering device disposed along the flowing direction of the liquid, wherein the filtering device comprises a housing (18), a filter screen frame (21) and a connecting cover (19), one end of the housing (18) is open, the other end of the housing is connected with the measuring device, the connecting cover (19) is connected to the opening of the housing (18), the connecting cover (19) is provided with a conveying through hole, and the output pipe (10) is connected with the conveying through hole.

9. The integrated device according to claim 8, wherein the filter screen frame (21) is cylindrical, one end of the filter screen frame is open, and the other end of the filter screen frame is closed, wherein the open end is communicated with the measuring device, a gap is reserved between the closed end and the connecting cover (19), and a filter screen is arranged on the cylinder body; and a second sealing ring (22) is arranged between the periphery of the bottom of the filter screen frame and the inner wall of the shell.

10. A medicine box, which comprises a box body, wherein a medicine outlet is arranged at the bottom of the box body, and is characterized by further comprising a medicine box cover (101), the medicine box cover (101) is in threaded connection with the medicine outlet, a medicine passing opening is arranged at the bottom of the medicine box cover, and the medicine box further comprises an integrated device as claimed in any one of claims 1 to 9, and the integrated device is connected to the medicine passing opening.