CN107187604B - Safety monitoring device for pesticide box in helicopter agriculture and forestry spraying equipment - Google Patents

Safety monitoring device for pesticide box in helicopter agriculture and forestry spraying equipment Download PDF

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Publication number
CN107187604B
CN107187604B CN201710584418.5A CN201710584418A CN107187604B CN 107187604 B CN107187604 B CN 107187604B CN 201710584418 A CN201710584418 A CN 201710584418A CN 107187604 B CN107187604 B CN 107187604B
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China
Prior art keywords
circuit board
control circuit
emergency release
box body
display lamp
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CN201710584418.5A
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CN107187604A (en
Inventor
李艳军
曹愈远
张伟
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D1/00Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
    • B64D1/16Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
    • B64D1/18Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0089Regulating or controlling systems

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Abstract

The invention discloses a safety monitoring device for a medicine box in helicopter agriculture and forestry spraying equipment, which comprises a medicine rack, a distance sensor group and a system control box, wherein the medicine rack is arranged on a box body; the distance sensor group is arranged on the medicine rack and is used for collecting distance information between the medicine rack and an obstacle; the system control box is provided with a control circuit board, the control circuit board is provided with an alarm device, and the signal output end of the distance sensor group is connected with the signal input end of the control circuit board, so that the control circuit board drives and controls the alarm device to work according to the distance information transmitted by the distance sensor group. The invention can solve the problem that the medicine box and the medicine rack are contacted with surrounding obstacles in the working state, and improves the flight safety.

Description

Safety monitoring device for pesticide box in helicopter agriculture and forestry spraying equipment
Technical Field
The invention relates to a safety monitoring device for a medicine box in helicopter agriculture and forestry spraying equipment.
Background
At present, the existing safety monitoring device for the general aviation helicopter to carry out agriculture and forestry spraying operation and pass civil aviation airworthiness examination is too simple, and when the spraying operation is carried out, a medicine rack can touch surrounding obstacles to cause potential safety hazards; the box body is lack of a corresponding sensing device, and the change of the liquid medicine in the box body is not predicted; the box body control device has defects, which is not beneficial to quickly releasing the liquid medicine in emergency; the lack of a weight sensor assembly in the medicine box leads to the fact that whether the weight distribution of the medicine liquid in the medicine box is balanced or not cannot be predicted; the switch on the control box is unreasonable, which causes inconvenience or misoperation when the flight personnel operate.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a safety monitoring device for a medicine box in helicopter agriculture and forestry spraying equipment, which can solve the problem that the medicine box and a medicine rack are contacted with surrounding obstacles when in a working state, and improve flight safety.
The technical scheme adopted for solving the technical problems is as follows: a safety monitoring device for a medical kit in an agricultural and forestry spraying apparatus of a helicopter, comprising:
the medicine rack is arranged on the box body;
the distance sensor group is arranged on the medicine rack and is used for collecting distance information between the medicine rack and an obstacle;
the system control box is provided with a control circuit board, the control circuit board is provided with an alarm device, and the signal output end of the distance sensor group is connected with the signal input end of the control circuit board so that the control circuit board drives and controls the alarm device to work according to the distance information transmitted by the distance sensor group;
the specific structure of the alarm device is further provided, the alarm device comprises a distance alarm display lamp, and when the distance information transmitted by the distance sensor group is smaller than a threshold value, the control circuit board drives and controls the distance alarm display lamp to be on.
Further, the threshold is 2 meters.
There is further provided a specific arrangement of a distance sensor set comprising two distance sensors, one of which is provided on one end of the drug rack and the other of which is provided on the other end of the drug rack.
In order to solve the problem of quick release of the liquid medicine in emergency, the control circuit board is provided with an emergency release switch;
the safety monitoring device for the pesticide box in the helicopter agriculture and forestry spraying equipment further comprises an emergency release valve, wherein the emergency release valve is arranged on an emergency release port of the box body and is connected with a signal input end of a control circuit board, so that the control circuit board controls the emergency release valve to be opened or closed according to the switch drive of the emergency release switch;
and the emergency release valve is arranged on the box body through the fixing device.
Further, the fixing device comprises a fixing flange plate set, the fixing flange plate set is arranged on the box body, and the emergency release valve is fixed on the fixing flange plate set.
Further, the fixed flange group is installed on the box through at least one locking component, the fixed flange group comprises an upper flange and a lower flange, the locking component comprises an inner bolt, an outer bolt, a nut and a sealing gasket, and the inner bolt and the outer bolt sequentially penetrate through the lower flange, the emergency release valve, the box, the upper flange and the sealing gasket and then are in threaded connection with the nut.
Further, the control circuit board is also provided with an emergency release valve opening display lamp and an emergency release valve closing display lamp, and when the emergency release switch is in an on state, the control circuit board drives and controls the emergency release valve to open the display lamp to be on; when the emergency release switch is in an off state, the control circuit board drives and controls the emergency release valve to close and turn on the display lamp.
Further in order to know the quantity of liquid medicine in the box, the safety monitoring device for the medical kit in helicopter agriculture and forestry sprinkler still includes the liquid level sensing component of installing in the box so that be used for gathering the liquid level information of liquid medicine in the box, be provided with high liquid level display lamp and low liquid level display lamp on the control circuit board, the signal output part of liquid level sensing component with the signal input part of control circuit board links to each other, so that the control circuit board is according to the liquid level information drive control high liquid level display lamp of liquid level sensing component transmission is bright or low liquid level display lamp is bright.
Further, the liquid level sensing component is a floating ball type liquid level meter.
Further for the balanced problem of control medical liquid weight distribution in the medical kit, it still includes the weight sensor subassembly that installs in the box so that be used for gathering the weight information of medical liquid in the box, weight sensor subassembly has two at least weight sensors, be provided with weight unbalance alarm lamp on the control circuit board, weight sensor's signal output part with control circuit board's signal input part links to each other, so that control circuit board is according to weight sensor transmission's weight signal drive control weight unbalance alarm lamp action.
After the technical scheme is adopted, the invention has the following beneficial effects:
1. according to the invention, the distance sensors are arranged at the two ends of the medicine rack, when an obstacle exists in 2 meters of the distance sensors, the distance alarm display lamp on the system control box is turned on to remind a driver, and when the distance alarm display lamp is not turned on, so that the problem of contact with surrounding obstacles in the working state of the medicine rack is solved;
2. the emergency release valve is designed at the bottom of the box body, the emergency release switch is designed on the system control box, the emergency release valve opening display lamp and the emergency release valve closing display lamp are arranged, when the emergency release switch is opened, the emergency release valve opening display lamp is on, and when the emergency release switch is closed, the emergency release valve closing display lamp is on, so that the problem of quick release of liquid medicine under emergency is solved;
3. according to the invention, the liquid level sensing assembly is designed in the box body, and the high liquid level display lamp and the low liquid level display lamp are arranged on the system control box, when the liquid medicine in the box body is insufficient, the low liquid level display lamp is on, and when the liquid medicine in the box body is too high, the high liquid level display lamp is on, so that the problem of controlling the quantity of the liquid medicine in the box body is solved;
4. the weight sensor assembly is arranged in the medicine chest, the data measured by the weight sensors are compared with each other, the largest difference value is output, then the corresponding allowable largest difference value is set according to the load balance curves in different aircraft flight manuals, when the allowable largest difference value is exceeded, the weight unbalance alarm lamp is on, and otherwise, the weight unbalance alarm lamp is in an off state.
Drawings
FIG. 1 is a schematic structural view of a safety monitoring device of the present invention for a medical kit in a helicopter agroforestry spraying apparatus;
FIG. 2 is a schematic layout of the system control box of the present invention;
fig. 3 is a schematic view showing the arrangement of the medicine rack of the present invention.
Detailed Description
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 3, a safety monitoring device for a medicine box in an agricultural and forestry spraying apparatus of a helicopter, comprising:
a medicine rack 15, the medicine rack 15 being mounted on the case 14;
a distance sensor group mounted on the medicine rack 15 for collecting distance information thereof from an obstacle;
the system control box 1, control circuit board has on the system control box 1, be provided with alarm device on the control circuit board, distance sensor group's signal output part pass through control line 11 with control circuit board's signal input part links to each other, so that control circuit board is according to distance information drive control alarm device work of distance sensor group transmission.
As shown in fig. 2, the alarm device includes a distance alarm display lamp 2, and when the distance information transmitted by the distance sensor group is smaller than a threshold value, the control circuit board drives and controls the distance alarm display lamp 2 to be on, and the threshold value may be 2 meters.
As shown in fig. 3, the distance sensor group includes two distance sensors 16, wherein one of the distance sensors 16 is fixed to one end of the medicine rack 15 by a yoke 22, and the other distance sensor 16 is fixed to the other end of the medicine rack 15 by the yoke 22.
According to the invention, the distance sensors 16 are arranged at two ends of the medicine rack 15, when obstacles exist in two meters of the distance sensors 16, the distance alarm display lamp 2 on the system control box 1 is turned on to remind a driver, and otherwise, the distance alarm display lamp 2 is not turned on, so that the problem of contact with surrounding obstacles in the working state of the medicine rack is solved.
As shown in fig. 2, the control circuit board is provided with an emergency release switch 8; the safety monitoring device for the pesticide box in the helicopter agriculture and forestry spraying equipment further comprises an emergency release valve 17, wherein the emergency release valve 17 is arranged on an emergency release port 18 of the box body 14, and the emergency release valve 17 is connected with a signal input end of a control circuit board through a control wire 11 so that the control circuit board controls the opening or closing of the emergency release valve 17 according to the switch driving of the emergency release switch 8;
a fixing means by which the emergency release valve 17 is mounted on the housing 14.
As shown in fig. 1, the fixing means includes a fixing flange group 20, the fixing flange group 20 is mounted on the case 14, and the emergency release valve 17 is fixed to the fixing flange group 20.
As shown in fig. 1, the fixed flange group 20 is mounted on the case 14 by at least one locking assembly, the fixed flange group 20 includes an upper flange and a lower flange, the locking assembly includes an inner bolt, an outer bolt, a nut and a sealing gasket, and the inner bolt and the outer bolt sequentially pass through the lower flange, the emergency release valve, the case 14, the upper flange and the sealing gasket and then are connected with the nut through threads, in this embodiment, the locking assembly is provided with four, but is not limited thereto.
The emergency release valve 17 is designed at the bottom of the box body 14, the emergency release switch 8 is designed on the system control box 1, the emergency release valve opening display lamp 10 and the emergency release valve closing display lamp 9 are arranged, when the emergency release switch 8 is opened, the emergency release valve opening display lamp 10 is on, when the emergency release switch 8 is closed, the emergency release valve closing display lamp 9 is on, so that the problem of quick release of liquid medicine under emergency is solved.
As shown in fig. 2, the control circuit board is further provided with an emergency release valve opening display lamp 10 and an emergency release valve closing display lamp 9, and when the emergency release switch 8 is in an on state, the control circuit board drives and controls the emergency release valve opening display lamp 10 to be on; when the emergency release switch 8 is in the off state, the control circuit board drives and controls the emergency release valve to close and display the lamp 9 to be on.
As shown in fig. 1, the safety monitoring device for the medicine box in the helicopter agriculture and forestry spraying equipment further comprises a liquid level sensing component which is arranged in the box body 14 and used for collecting the liquid level information of the liquid medicine in the box body 14, a high liquid level display lamp 6 and a low liquid level display lamp 7 are arranged on the control circuit board, and the signal output end of the liquid level sensing component is connected with the signal input end of the control circuit board through a control wire 11, so that the control circuit board drives and controls the high liquid level display lamp 6 to be on or the low liquid level display lamp 7 to be on according to the liquid level information transmitted by the liquid level sensing component.
The liquid level sensing component is a floating ball type liquid level meter; specifically, the liquid level sensing assembly includes a liquid level column 12 and a float ball sleeved on the liquid level column 12.
The liquid level sensing assembly is designed in the box body 14, the high liquid level display lamp 6 and the low liquid level display lamp 7 are arranged on the system control box 1, when the liquid medicine in the box is insufficient, the low liquid level display lamp 7 is on, and when the liquid medicine in the box is too high, the high liquid level display lamp 6 is on, so that the problem of controlling the quantity of the liquid medicine in the box is solved.
In addition, a spraying switch 3, a spraying display lamp 4 and a stopping spraying display lamp 5 are also arranged on the control circuit board of the system control box 1, the spraying switch 3 is used for controlling spraying, and when the medicine box is spraying, the spraying display lamp 4 is on; when the medicine box is not spraying, the spraying display lamp 5 is stopped to be lighted.
The safety monitoring device for the pesticide box in the helicopter agriculture and forestry spraying equipment further comprises a weight sensor assembly which is arranged in the box body 14 and used for collecting weight information of the pesticide liquid in the box body 14, wherein the weight sensor assembly is provided with at least two weight sensors 23, a weight unbalance alarm lamp 24 is arranged on the control circuit board, and a signal output end of the weight sensor 23 is connected with a signal input end of the control circuit board, so that the control circuit board drives and controls the weight unbalance alarm lamp 24 to act according to weight signals transmitted by the weight sensor 23; in this embodiment, the weight sensors 23 are provided with four weight sensors, which are respectively located at four corners of the bottom surface in the box 14, and after the data measured by the weight sensors 23 are compared two by two, the maximum difference is output, then the corresponding allowable maximum difference is set according to the load balancing curves in different aircraft flight manuals, when the allowable maximum difference is exceeded, the weight imbalance alarm lamp 24 is on, otherwise, the weight imbalance alarm lamp is in an off state.
The technical problems, technical solutions and advantageous effects solved by the present invention have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of protection of the present invention.

Claims (5)

1. A safety monitoring device for a medical kit in an agricultural and forestry spraying apparatus of a helicopter, comprising:
a medicine rack (15), wherein the medicine rack (15) is arranged on the box body (14);
a distance sensor group which is arranged on the medicine rack (15) and is used for collecting the distance information between the medicine rack and the obstacle;
the system control box (1) is provided with a control circuit board, the control circuit board is provided with an alarm device, and the signal output end of the distance sensor group is connected with the signal input end of the control circuit board so that the control circuit board drives and controls the alarm device to work according to the distance information transmitted by the distance sensor group;
an emergency release switch (8) is arranged on the control circuit board;
the emergency release valve (17) is arranged on an emergency release port of the box body (14), and the emergency release valve (17) is connected with a signal input end of the control circuit board so that the control circuit board can control the opening or closing of the emergency release valve (17) according to the switch driving of the emergency release switch (8);
the emergency release valve (17) is arranged on the box body (14) through the fixing device;
the fixing device comprises a fixing flange plate group (20), the fixing flange plate group (20) is arranged on the box body (14), and the emergency release valve (17) is fixed on the fixing flange plate group (20);
the fixed flange plate group (20) is arranged on the box body (14) through at least one locking component, the fixed flange plate group (20) comprises an upper flange plate and a lower flange plate, the locking component comprises an inner bolt, an outer bolt, a nut and a sealing gasket, and the inner bolt and the outer bolt sequentially pass through the lower flange plate, the emergency release valve, the box body (14), the upper flange plate and the sealing gasket and then are connected with the nut through threads;
the control circuit board is also provided with an emergency release valve opening display lamp (10) and an emergency release valve closing display lamp (9), and when the emergency release switch (8) is in an on state, the control circuit board drives and controls the emergency release valve opening display lamp (10) to be on; when the emergency release switch (8) is in an off state, the control circuit board drives and controls the emergency release valve to close and turn on the display lamp (9);
the weight sensor assembly is arranged in the box body (14) so as to be used for collecting weight information of liquid medicine in the box body (14), the weight sensor assembly is provided with at least two weight sensors (23), a weight unbalance alarm lamp (24) is arranged on the control circuit board, and a signal output end of the weight sensor (23) is connected with a signal input end of the control circuit board so that the control circuit board can drive and control the weight unbalance alarm lamp (24) to act according to weight signals transmitted by the weight sensor (23); the weight sensors (23) are arranged in four positions of four corners of the bottom surface in the box body (14), the maximum difference value is output after the data measured by the weight sensors (23) are compared in pairs, then the corresponding allowable maximum difference value is set according to the load balance curves in different aircraft flight manuals, when the allowable maximum difference value is exceeded, the weight unbalance alarm lamp (24) is on, and otherwise, the weight unbalance alarm lamp is in an extinguishing state.
2. Safety monitoring device for a pharmaceutical tank in a helicopter agroforestry spraying apparatus according to claim 1, characterized in that: the alarm device comprises a distance alarm display lamp (2), and when the distance information transmitted by the distance sensor group is smaller than a threshold value, the control circuit board drives and controls the distance alarm display lamp (2) to be on.
3. Safety monitoring device for a pharmaceutical tank in a helicopter agroforestry spraying apparatus according to claim 2, characterized in that: the threshold is 2 meters.
4. Safety monitoring device for a pharmaceutical tank in a helicopter agroforestry spraying apparatus according to claim 1, characterized in that: the distance sensor group comprises two distance sensors (16), wherein one distance sensor (16) is arranged at one end of the medicine rack (15), and the other distance sensor (16) is arranged at the other end of the medicine rack (15).
5. Safety monitoring device for a pharmaceutical tank in a helicopter agroforestry spraying apparatus according to claim 1, characterized in that: the liquid level sensor comprises a box body (14), and is characterized by further comprising a liquid level sensing assembly which is arranged in the box body (14) so as to be used for collecting liquid level information of liquid medicine in the box body (14), wherein a high liquid level display lamp (6) and a low liquid level display lamp (7) are arranged on a control circuit board, and a signal output end of the liquid level sensing assembly is connected with a signal input end of the control circuit board so that the control circuit board drives and controls the high liquid level display lamp (6) to be on or controls the low liquid level display lamp (7) to be on according to the liquid level information transmitted by the liquid level sensing assembly.
CN201710584418.5A 2017-07-18 2017-07-18 Safety monitoring device for pesticide box in helicopter agriculture and forestry spraying equipment Active CN107187604B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710584418.5A CN107187604B (en) 2017-07-18 2017-07-18 Safety monitoring device for pesticide box in helicopter agriculture and forestry spraying equipment

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Application Number Priority Date Filing Date Title
CN201710584418.5A CN107187604B (en) 2017-07-18 2017-07-18 Safety monitoring device for pesticide box in helicopter agriculture and forestry spraying equipment

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CN107187604A CN107187604A (en) 2017-09-22
CN107187604B true CN107187604B (en) 2024-01-26

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108244082A (en) * 2018-02-07 2018-07-06 车海勃 With hanging component helicopter agricultural spray appliance
CN108450440A (en) * 2018-02-07 2018-08-28 车海勃 For helicopter agricultural brainpower insufflation equipment
CN112450188A (en) * 2020-11-20 2021-03-09 昌河飞机工业(集团)有限责任公司 Agriculture and forestry sprays liquid medicine monitoring circuit

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN205168909U (en) * 2014-12-03 2016-04-20 珠海银通农业科技有限公司 Multiaxis plant protection aircraft with self -adaptation sensitivity
CN105994237A (en) * 2016-07-07 2016-10-12 辽宁壮龙无人机科技有限公司 Pesticide box suitable for vertical type quad-rotor unmanned helicopter
CN106114836A (en) * 2016-07-06 2016-11-16 陈立 A kind of novel unmanned plane for treegarden irrigation
CN205872477U (en) * 2016-07-28 2017-01-11 深圳航天旭飞科技有限公司 Festival medicine unmanned aerial vehicle
CN206307276U (en) * 2016-12-12 2017-07-07 深圳航天旭飞科技有限公司 Plant protection unmanned plane
CN207141399U (en) * 2017-07-18 2018-03-27 南京航空航天大学 Safety monitoring device for the medicine-chest in helicopter agricultural spray appliance

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205168909U (en) * 2014-12-03 2016-04-20 珠海银通农业科技有限公司 Multiaxis plant protection aircraft with self -adaptation sensitivity
CN106114836A (en) * 2016-07-06 2016-11-16 陈立 A kind of novel unmanned plane for treegarden irrigation
CN105994237A (en) * 2016-07-07 2016-10-12 辽宁壮龙无人机科技有限公司 Pesticide box suitable for vertical type quad-rotor unmanned helicopter
CN205872477U (en) * 2016-07-28 2017-01-11 深圳航天旭飞科技有限公司 Festival medicine unmanned aerial vehicle
CN206307276U (en) * 2016-12-12 2017-07-07 深圳航天旭飞科技有限公司 Plant protection unmanned plane
CN207141399U (en) * 2017-07-18 2018-03-27 南京航空航天大学 Safety monitoring device for the medicine-chest in helicopter agricultural spray appliance

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