CN111207810A - Medical kit and unmanned aerial vehicle with quick assembly disassembly formula liquid level detection device - Google Patents
Medical kit and unmanned aerial vehicle with quick assembly disassembly formula liquid level detection device Download PDFInfo
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- CN111207810A CN111207810A CN202010245949.3A CN202010245949A CN111207810A CN 111207810 A CN111207810 A CN 111207810A CN 202010245949 A CN202010245949 A CN 202010245949A CN 111207810 A CN111207810 A CN 111207810A
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- 239000007788 liquid Substances 0.000 title claims abstract description 67
- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 239000003814 drug Substances 0.000 claims abstract description 25
- 230000000670 limiting effect Effects 0.000 claims description 17
- 239000000523 sample Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 9
- 208000034699 Vitreous floaters Diseases 0.000 description 29
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000006698 induction Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 239000000575 pesticide Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
- G01F23/74—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means for sensing changes in level only at discrete points
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
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- Level Indicators Using A Float (AREA)
Abstract
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a medicine box with a quick-dismounting type liquid level detection device and an unmanned aerial vehicle, which comprise a box body, wherein the box body is provided with the liquid level detection device, the liquid level detection device comprises a magnetic sensor device, a floater device and an external connecting device, the floater device is fixed on one side wall in the box body, the magnetic sensor device is positioned on the outer side of the corresponding side wall, and the external connecting device is fixed outside the box body and detachably connected with the magnetic sensor device; the magnetic sensor device comprises a shell, a first circuit board and a plurality of magnetic sensors, wherein the magnetic sensors are distributed on the first circuit board along the vertical direction; the floater device comprises a guiding device and a floater, and the floater is provided with a magnet. Above-mentioned liquid level detection device has realized the interior continuous liquid level detection of medical kit, and the magnetic sensor device is connected with the external connection device is detachable, when the magnetic sensor damaged, can directly change the magnetic sensor device after dismantling, and convenient operation and swift are applicable to multiple medical kit.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a medicine box with a quick-dismounting type liquid level detection device and an unmanned aerial vehicle.
Background
Plant protection unmanned aerial vehicle is by wide application in agriculture and forestry, not only uses manpower sparingly, material resources, can avoid operating personnel to expose under the pesticide environment moreover, is favorable to improving the security of operation, is favorable to improving agricultural plant protection operating efficiency simultaneously. Plant protection unmanned aerial vehicle need carry the medical kit and carry out the plant protection operation, in order to ensure in time supplementary liquid medicine in can monitoring the medical kit liquid medicine volume, need install liquid level detection device on the medical kit.
At present, a surface mount type liquid level meter and a floating ball type liquid level meter are generally adopted to monitor liquid medicine in a medicine box, but the two modes can only detect the liquid level of a certain specific position and cannot realize continuous liquid level detection. In order to overcome the defect, the chinese patent application No. 201710628112.5, the patent name "liquid level detection device, detection method and invention patent of water tank provide a water tank, the water tank is equipped with a liquid level detection device, the liquid level detection device includes a float provided with a magnet and a plurality of magnetic sensors with different heights, the control unit obtains the liquid level height of the float according to the magnetic induction parameter of the magnetic sensor and the distance between the magnetic sensor and the magnet, because the magnetic sensor can induce the magnetic field in a certain area range, and the output magnetic induction parameter can change along with the change of the distance between the magnetic sensor and the magnet, the liquid level detection device can realize the continuous detection of the liquid level in a large range. Although the detection mode can realize continuous liquid level detection within a certain range, the magnetic sensor is frequently damaged in the using process, and the detection device installed on the water tank is inconvenient to detach and replace.
Disclosure of Invention
In order to solve the technical problems, the invention provides a medicine box with a quick-dismounting type liquid level detection device and an unmanned aerial vehicle.
In order to achieve the technical effect, the invention adopts the following technical scheme: on one hand, the embodiment of the invention provides a medicine box with a quick-dismounting type liquid level detection device, which comprises a box body, wherein the box body is provided with the liquid level detection device, the liquid level detection device comprises a magnetic sensor device, a floater device and an external connecting device, the floater device is fixed on one side wall in the box body, the magnetic sensor device is positioned on the outer side of the corresponding side wall, and the external connecting device is fixed outside the box body and detachably connected with the magnetic sensor device; the magnetic sensor device comprises a shell, a first circuit board and a plurality of magnetic sensors, wherein the plurality of sensors are distributed on the first circuit board along the vertical direction, and the first circuit board is fixed in the shell; the floater device comprises a guide device and a floater moving on the guide device along the vertical direction, and the floater is provided with a magnet.
The medicine box provided by the embodiment of the invention is provided with the liquid level detection device, the liquid level detection device realizes the detection of continuous liquid level within a certain range through the floater device and the magnetic sensor device, the floater device is fixed in the box body, the magnetic sensor device corresponding to the floater device is fixed on the outer side wall of the box body, the magnetic sensor device is detachably connected with the external connecting device, and when the magnetic sensor device needs to be replaced, the floater device and the magnetic sensor device can be directly detached. In addition, the liquid level detection device can be produced independently of the medicine boxes and is suitable for various medicine boxes.
In a preferred embodiment of the present invention, the external connection device is provided with a mounting groove, the mounting groove includes a bottom opening and a side opening, inner walls of both sides of the mounting groove are provided with guide rails along a length direction, both sides of an upper portion of a housing of the magnetic sensor device are provided with slide grooves corresponding to the guide rails, and the upper portion of the housing is fixed in the mounting groove through the guide rails and the slide grooves which are slidably connected.
On the other hand, the embodiment of the invention provides an unmanned aerial vehicle which comprises a machine body and the medicine box, wherein the medicine box is fixed on the machine body.
By adopting the technical scheme, the method has the following beneficial effects: the embodiment of the invention provides a medicine box with a quick detachable liquid level detection device and an unmanned aerial vehicle, wherein the liquid level detection device arranged on the medicine box realizes continuous liquid level detection through the combined action of a magnetic sensor device and a floater device; in addition, the second circuit board in the external connecting device is connected with the first circuit board in the magnetic sensor device by adopting a connector with a spring thimble, so that the electric connection relation of the internal circuit board is ensured while the external connecting device and the magnetic sensor device can be detachably connected; the liquid level detection device is applicable to various types of medicine boxes.
Drawings
Fig. 1 is a schematic structural diagram of a medicine box provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an external connection device and a magnetic sensor device according to an embodiment of the present invention;
fig. 3 is a schematic external structural diagram of a magnetic sensor device according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a magnetic sensor device provided by an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an external connection device according to an embodiment of the present invention;
FIG. 6 is a top view of an external connection device provided in accordance with an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken at E-E of FIG. 6 in accordance with an embodiment of the present invention;
FIG. 8 is a cross-sectional view of an external connection device provided in accordance with an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a float device according to an embodiment of the present invention.
In the figure:
1. a box body; 2. an external connection device; 2.1, mounting grooves; 2.2, guide rails; 2.3, a connector; 2.4, pushing the block; 2.41, a baffle plate; 2.5, a support plate; 2.6, a second spring; 2.7, an accommodating space; 3. a magnetic sensor device; 3.1, a shell; 3.11, a clamping groove; 3.12, a chute; 3.2, spring ejector pins; 3.3, a first circuit board; 3.4, a magnetic sensor; 4. locking; 4.1, a barb-shaped clamping part; 5. a second spring; 6. a rotating shaft; 7. a float device; 7.1, connecting plates; 7.2, a guide post; 7.3, limiting holes; 7.4, a floater.
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 invention provides a medicine box with a quick-dismounting type liquid level detection device, which comprises a box body 1, wherein a magnetic sensor device 3, a floater device 7 and an external connecting device 2 are arranged on the box body 1, the floater device 7 is fixed on one side wall in the box body, the magnetic sensor device is positioned on the outer side of the corresponding side wall, the floater device and the magnetic sensor device are respectively positioned on two sides of the same side wall of the box body, and the external connecting device is fixed outside the box body and detachably connected with the magnetic sensor device; the magnetic sensor device comprises a shell 3.1, a first circuit board 3.3 and a plurality of magnetic sensors 3.4, wherein the magnetic sensors are preferably linear Hall sensors, the magnetic sensors are distributed on the first circuit board 3.3 along the vertical direction, and the first circuit board is fixed in the shell along the vertical direction; the floater device comprises a guide device and a floater moving on the guide device along the vertical direction, a magnet is arranged on the floater, and the plane where the floater is located is parallel to the first circuit board. The direction of movement of the float within the medicine chest is along the vertical direction of the guide.
In this embodiment, preferably, the casing of the magnetic sensor device is a rectangular body, and includes an inner side plate and an outer side plate that are disposed opposite to each other, an outer surface of the inner side plate is attached to the box body, and the first circuit board is attached to an inner surface of the inner side plate. The housing may be provided with a removable open cover to replace the internal first circuit board and the magnetic sensor thereon.
The liquid level detection device is provided with a plurality of magnetic sensors, the magnetic sensors can sense magnetic induction parameters output by a magnetic field generated by a magnet, such as output voltage, and the magnetic induction parameters output by the magnetic sensors can change along with the change of the distance between the magnetic sensors and the front side of the magnet. The above-mentioned specific calculation method for detecting continuous liquid level by using a plurality of magnetic sensors in the same vertical direction and a float is a known technique in the published technical literature, and the present application is not specifically described.
Because magnetic sensor takes place to damage easily in the use, need frequent change, and current liquid level detection device is not convenient for change magnetic sensor, and this embodiment provides a convenient to detach and changes magnetic sensor method based on the principle that continuous liquid level detected to can install the liquid level detection device that can carry out the continuous detection liquid level on the box and realize being convenient for to change magnetic sensor's purpose under the condition that does not change the original structure of medical kit.
Example 2:
on the basis of embodiment 1, preferably, the external connection device 2 is provided with a mounting groove 2.1, the mounting groove includes a bottom opening and a side opening, the inner walls of the two sides of the mounting groove are provided with guide rails 2.2 along the length direction, the two sides of the upper part of the housing 3.1 of the magnetic sensor device 3 are provided with sliding grooves 3.12 corresponding to the guide rails, and the upper part of the housing is fixed in the mounting groove through the guide rails and the sliding grooves which are connected in a sliding manner.
Because the first circuit board of magnetic sensor device need be connected with other peripheral equipment through the wire, for example, when the medical kit was used on unmanned aerial vehicle, the first circuit board of magnetic sensor device need be connected with flight controller, and liquid level information that will detect sends flight controller, in order to avoid trompil in order to improve the sealed effect of shell on the shell, this embodiment provides the mode of replacing the wire to connect first circuit board, and concrete structure is as follows:
a shell of the magnetic sensor device is provided with a plurality of through grooves communicated with the inside of the shell, the upper part of the shell has a certain thickness, 4 through grooves are provided in the embodiment, spring thimbles are respectively arranged in the 4 through grooves, the bottom of each spring thimble 3.2 is fixedly connected to the first circuit board 3.3, and the top of each spring thimble extends out of the corresponding through groove; a second circuit board is arranged in the external connecting device, the second circuit board is electrically connected with a connector 2.3, the connector can be connected with a flight controller through a connecting wire, a probe hole corresponding to the elastic thimble 3.2 is formed in the top of the mounting groove, a fixed probe is arranged in the probe hole, one end of the fixed probe is provided with a metal sheet, and the other end of the fixed probe is fixed on the second circuit board; after the magnetic sensor device is installed in a matched mode with the external connecting device, the spring ejector pins are correspondingly inserted into the corresponding probe holes and then are in butt joint with the metal sheet to conduct a circuit.
In this embodiment, the spring thimble 3.2 is adopted to realize the electrical connection between the first circuit board and the second circuit board, and when the magnetic sensor device 3 is inserted in the external connection device 2, the spring thimble protruding from the upper portion of the housing extends into the through groove to touch the metal sheet, so as to turn on the circuit. The electric connection mode is simple, convenient and effective, and the electric connection relation cannot be influenced when the magnetic sensor device is replaced or disassembled.
Example 3:
on the basis of the above embodiment, in order to avoid that the upper part of the magnetic sensor device is pulled out from the mounting groove 2.1, a locking device is arranged in the mounting groove, the locking device is positioned at the other side opposite to the side opening, and the locking device clamps the upper part of the magnetic sensor device after being mounted in the mounting groove.
Specifically, the locking device comprises a rotating shaft 6, a lock catch 4 and a first spring 5, one end of the lock catch 4 extends into the mounting groove, the end of the lock catch is a barb-shaped clamping part 4.1, the middle part of the lock catch is rotatably connected to the side wall of the mounting groove through the rotating shaft 6, a support plate 2.5 extends outwards from an external connecting device outside the mounting groove, and the first spring is connected between the other end of the lock catch 4 and the support plate 2.5; and a clamping groove 3.11 corresponding to the barb-shaped clamping part is arranged on the shell of the magnetic sensor device. The shape of the clamping groove is matched with that of the barb-shaped clamping part 4.1. This hasp is rectangular plate block-shaped, has the one end of barb-like joint portion and stretches into in the mounting groove and the joint of mutually supporting of draw-in groove, and the other end stretches out the mounting groove, and the middle part rotates around the pivot, and when the shell of magnetic sensor device was pegged graft behind the mounting groove, the automatic chucking that gets into in the draw-in groove of barb-like joint portion played limiting displacement to the magnetic sensor device, avoids it to receive exogenic action and deviate from the mounting groove. When the magnetic sensor device needs to be disassembled, one end of the lock catch extending out of the mounting groove is pressed downwards, one end of the barb-shaped clamping portion located in the mounting groove is upwards tilted and then separated from a limiting effect on the magnetic sensor device, the magnetic sensor device is pulled out outwards at the moment, and the first spring has a resetting effect.
The locking device can realize quick assembly and disassembly between the magnetic sensor device and an external connecting device, is convenient and quick to operate, does not need to adopt an extra tool, and only needs to press the lock catch outside the mounting groove and then pull out the magnetic sensor device outwards.
Example 4:
because the upper portion and the mounting groove slidingtype of magnetic sensor device are pegged graft, in order to guarantee that magnetic sensor upper portion slides in the mounting groove smoothly, the width of mounting groove need slightly be greater than the thickness of magnetic sensor shell, consequently certain clearance can appear between the inside wall of mounting groove and the shell of magnetic sensor device, because unmanned aerial vehicle can appear vibrating at the flight in-process, thereby drive the medical kit and produce the vibration, the existence in this clearance can make the upper portion of magnetic sensor device appear removing in the mounting groove within a short range, influence the stability of spring thimble electricity connection relation, thereby cause the data instability that detects, and then cause the liquid level of surveying not accurate.
In order to overcome the above drawbacks, in this embodiment, on the basis of the above embodiments, an elastic pushing member is arranged in a side wall of the mounting groove 2.1, and the elastic pushing member is mounted in the mounting groove at the upper part of the magnetic sensor device and then abuts against the housing of the magnetic sensor device. Specifically, an accommodating space is arranged in one side wall of the mounting groove, the accommodating space is provided with an opening communicated with the inside of the mounting groove, the elastic pushing part comprises a pushing block 2.4 and a plurality of second springs 2.6, the opening of the accommodating space is positioned below the guide rail, namely the pushing block protruding out of the opening is positioned below the guide rail, in the embodiment, three second springs are preferably selected, two sides of the pushing block 2.4 are extended with baffle plates 2.41, the baffle plates are clamped on the inner side of the opening, the pushing block is matched with the opening in size, the second springs are connected to the pushing block and the inner side wall of the accommodating space, and when the top of the shell of the magnetic sensor device is inserted into the mounting groove, the pushing block is pushed into the mounting groove and the second springs are in a compressed state. Before the installation groove is not inserted into the top of the shell of the magnetic sensor device, the second spring is in a natural state, the baffle card is arranged at the inner side of the opening of the accommodating space, the pushing block protrudes out of the opening of the accommodating space and extends into the installation groove, when the magnetic sensor device is inserted into the installation groove, the sliding rail slides into the sliding groove, the pushing block 2.4 is pushed inwards, the second spring 2.6 is compressed, it needs to be explained that after the shell of the magnetic sensor device is inserted into the installation groove, even if the pushing block is pushed to move into the accommodating space, the pushing block also keeps protruding out of the opening of the accommodating space, certain acting force is applied to the shell of the magnetic sensor device by the compressed second spring, and the phenomenon of shaking is. In addition, in order to avoid the phenomenon that the magnetic sensor device is blocked when the magnetic sensor device is inserted into the mounting groove and the magnetic sensor device is collided with the pushing block, the side part of the pushing block is in an arc shape, and the magnetic sensor device can smoothly pass through when the shell of the magnetic sensor device is contacted with the pushing block.
Example 5:
in the prior art, in order to realize continuous water level detection, the provided liquid level detection device comprises a plurality of magnetic sensors with different heights and a floater provided with a magnet, wherein the magnetic sensors are arranged in a row in the vertical direction and are arranged at equal intervals, the track of the floater also extends along the vertical direction, and the floater slides up and down along a slide rail, and the specific calculation method comprises the following steps: three magnetic sensors with large output voltages need to be acquired, then the output voltages of the three magnetic sensors are compared, the relative positions of the floater and the three magnetic sensors are acquired, and then the liquid level height of the floater is acquired according to the relation between the input voltage and the corresponding distance (the distance between the magnetic sensor and the floater in the vertical direction) and the liquid level height corresponding to the position of the magnetic sensor. In the embodiment, if the liquid level height is calculated, at least the output voltages of three magnetic sensors are obtained, and in order to ensure that the floats at a certain liquid level are simultaneously within the effective measurement ranges of the three magnetic sensors, the magnetic sensors need to be densely arranged, so that if the liquid level in the medicine box is to be continuously measured, a plurality of magnetic sensors which are arranged at intervals in the vertical direction are needed, and the accuracy of obtaining the liquid level is not high.
In this embodiment, in order to overcome the above-mentioned defects, the float device 7 in this embodiment includes a connecting plate 7.1, two parallel guide posts 7.2 are inserted into the connecting plate, each guide post is divided into multiple sections by a limiting hole, the limiting holes 7.3 on the two guide posts 7.2 are arranged in a staggered manner, and a float 7.4 for fixing a magnet is sleeved on the guide post in each limiting hole; the connecting plate 7.1 is attached to the side wall of the box body; two rows of sensors are arranged on a first circuit board 3.3 of the magnetic sensor device 3 along the vertical direction, each row comprises a plurality of magnetic sensors, and the magnetic sensors on the two rows are arranged in a staggered mode. In this embodiment, each row has three limiting holes, and corresponds to one of the rows of sensors at the corresponding position on the first circuit board, the row includes three magnetic sensors, the three magnetic sensors respectively correspond to the three limiting holes one by one, and in horizontal projection, the magnetic sensors are located at the middle positions of the corresponding limiting holes. Referring to the drawing, the floats in the two rows of limiting holes on the connecting plate are A, B, C, D, E, F respectively, the corresponding magnetic sensors on the first circuit board are a, b, c, d, e and f, and the length of the limiting holes is set in advance according to the effective range of the magnetic sensors, that is, if the effective range of the magnetic sensors is 5mm, the length of the limiting holes is set to be 5 mm. When the liquid level in the box body is located between the floaters A, B, the floaters A and D are located at the bottom of the limiting hole, the floaters B, C, F are located at the top of the limiting hole, the input voltages of the magnetic sensors corresponding to the five floaters are the same and are the maximum values, only the input voltage corresponding to the floater E is different, and the current liquid level is calculated by the first circuit board 3.3 according to the relation between the input voltage and the input voltage of the sensor E and the L and the height corresponding to the sensor E in the box body. If the liquid level is at the position G, the input voltages of the magnetic sensors b, c, d and f reach the maximum value in the measuring range, the control unit on the first circuit board respectively calculates the liquid level height values corresponding to the input voltages of the sensors a and e, and then the liquid level height values are averaged to obtain the final liquid level height, namely the liquid level height in the box body.
The liquid level detection device with the continuous liquid level measurement function provided by the embodiment can effectively and accurately measure the liquid level of the corresponding position in the tank body, and compared with the existing liquid level detection device, the liquid level detection device with the continuous liquid level measurement function has the advantage that a relatively accurate measurement result is realized by adopting fewer magnetic sensors in the same measurement range.
Example 6:
on the basis of the above embodiment, this embodiment provides an unmanned aerial vehicle, including fuselage and the medical kit in the above embodiment, the medical kit is fixed on the fuselage.
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 (10)
1. A medicine box with a quick-dismounting type liquid level detection device is characterized by comprising a box body (1), wherein the box body (1) is provided with the liquid level detection device, the liquid level detection device comprises a magnetic sensor device (3), a floater device (7) and an external connection device (2), the floater device (7) is fixed on one side wall in the box body (1), the magnetic sensor device (3) is positioned on the outer side of the corresponding side wall, and the external connection device (2) is fixed outside the box body (1) and detachably connected with the magnetic sensor device (3); the magnetic sensor device (3) comprises a housing (3.1), a first circuit board (3.3) and a plurality of magnetic sensors (3.4), the plurality of magnetic sensors (3.4) are distributed on the first circuit board (3.3) along the vertical direction, and the first circuit board (3.3) is fixed in the housing (3.1); the float device (7) comprises a guide device and a float (7.4) moving on the guide device along the vertical direction, and a magnet is arranged on the float.
2. A kit according to claim 1, characterized in that the external connection means (2) is provided with a mounting groove (2.1) comprising a bottom opening and a side opening, the inner walls of the two sides of the mounting groove are provided with guide rails (2.2) along the length direction, the two sides of the upper part of the housing (3.1) of the magnetic sensor device (3) are provided with slide grooves (3.12) corresponding to the guide rails (2.2), and the upper part of the housing (3.1) is fixed in the mounting groove (2.1) by the slidably connected guide rails (2.2) and slide grooves (3.12).
3. A kit according to claim 2, characterized in that the casing (3.1) of the magnetic sensor device (3) is provided with a plurality of through slots communicating with the interior thereof, the plurality of through slots are respectively provided with a spring thimble (2.2), the spring thimble (2.2) is fixedly connected to the first circuit board (3.3) at the bottom and extends out of the through slot at the top; a second circuit board is arranged in the external connecting device and electrically connected with a connector (2.3), a probe hole corresponding to the elastic thimble (2.2) is formed in the top of the mounting groove (2.1), a fixed probe is arranged in the probe hole, a metal sheet is arranged at one end of the fixed probe, and the other end of the fixed probe is fixed on the second circuit board; after the magnetic sensor device is installed in a matched mode with the external connecting device, the spring ejector pins are correspondingly inserted into the corresponding probe holes and then are in butt joint with the metal sheet to conduct a circuit.
4. A kit according to claim 2, characterized in that a locking device is provided in said mounting groove, said locking device being located on the other side opposite said side opening, said locking device being adapted to clamp said magnetic sensor device after its upper part has been mounted in said mounting groove.
5. A medicine box according to claim 4, characterized in that the locking device comprises a rotating shaft (6), a lock catch (4) and a first spring (5), one end of the lock catch (4) extends into the mounting groove (2.1), the end is a barb-shaped clamping part (4.1), the middle part of the lock catch (4) is rotatably connected to the side wall of the mounting groove (2.1) through the rotating shaft (6), a support plate (2.5) extends outwards from an external connecting device outside the mounting groove (2.1), and the first spring (5) is connected between the other end of the lock catch (4) and the support plate (2.5); and a clamping groove (3.11) corresponding to the barb-shaped clamping part (4.1) is arranged on the shell (3.1) of the magnetic sensor device.
6. A kit according to claim 2, characterized in that a resilient pusher is provided in a side wall of said mounting groove (2.1), said resilient pusher being mounted in said mounting groove at the upper part of said magnetic sensor means and abutting against the housing of said magnetic sensor means.
7. A kit according to claim 6, wherein a side wall of said mounting slot is provided with an internal groove
The magnetic sensor device comprises an accommodating space (2.7), the accommodating space is provided with an opening communicated with the inside of the mounting groove, the elastic pushing piece comprises a pushing block (2.4) and a plurality of second springs (2.6), two sides of the pushing block (2.4) extend to form a baffle (2.41), the baffle is clamped on the inner side of the opening, the pushing block is matched with the opening in size, the second springs are connected to the inner side wall of the pushing block and the accommodating space, and when the top of the shell of the magnetic sensor device is inserted into the mounting groove, the pushing block pushes the mounting groove and the second springs are in a compressed state.
8. A medicine box according to claim 1, characterized in that the float device (7) comprises a connecting plate (7.1), two parallel guide posts (7.2) are arranged on the connecting plate (7.1) in a penetrating manner, each guide post (7.2) is divided into a plurality of sections by a limiting hole (7.3), the limiting holes on the two guide posts (7.2) are arranged in a staggered manner, and a float (7.4) for fixing a magnet is sleeved on the guide post in each limiting hole (7.3); the connecting plate (7.1) is attached to the side wall of the box body (1); two rows of sensors are arranged on a first circuit board (3.3) of the magnetic sensor device (3) along the vertical direction, each row comprises a plurality of magnetic sensors, and the magnetic sensors on the two rows are arranged in a staggered mode.
9. A kit according to any of claims 1 to 8, wherein the housing of the magnetic sensor device is rectangular and comprises an inner side plate and an outer side plate arranged in opposition, the outer surface of the inner side plate being attached to the casing and the first circuit board being attached to the inner surface of the inner side plate.
10. An unmanned aerial vehicle comprising a fuselage and a medicine box as claimed in any one of claims 1 to 9, the medicine box being secured to the fuselage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010245949.3A CN111207810A (en) | 2020-03-31 | 2020-03-31 | Medical kit and unmanned aerial vehicle with quick assembly disassembly formula liquid level detection device |
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| CN202010245949.3A CN111207810A (en) | 2020-03-31 | 2020-03-31 | Medical kit and unmanned aerial vehicle with quick assembly disassembly formula liquid level detection device |
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| CN111207810A true CN111207810A (en) | 2020-05-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904287A (en) * | 2020-08-24 | 2020-11-10 | 广东炫展专用设备有限责任公司 | Water tank |
| CN112097864A (en) * | 2020-09-16 | 2020-12-18 | 合肥邦立电子股份有限公司 | Liquid level sensor pipeline connecting and positioning structure |
| WO2022095200A1 (en) * | 2020-11-09 | 2022-05-12 | 深圳市大疆创新科技有限公司 | Liquid level meter and unmanned aerial vehicle |
-
2020
- 2020-03-31 CN CN202010245949.3A patent/CN111207810A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904287A (en) * | 2020-08-24 | 2020-11-10 | 广东炫展专用设备有限责任公司 | Water tank |
| CN112097864A (en) * | 2020-09-16 | 2020-12-18 | 合肥邦立电子股份有限公司 | Liquid level sensor pipeline connecting and positioning structure |
| CN112097864B (en) * | 2020-09-16 | 2022-05-03 | 合肥邦立电子股份有限公司 | Liquid level sensor pipeline connecting and positioning structure |
| WO2022095200A1 (en) * | 2020-11-09 | 2022-05-12 | 深圳市大疆创新科技有限公司 | Liquid level meter and unmanned aerial vehicle |
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