CN115175534A - Method for realizing automatic temperature control of multiple aerial cameras of large unmanned aerial vehicle - Google Patents

Abstract

The invention discloses a method for realizing automatic temperature control of a large-scale unmanned aerial vehicle multi-aerial camera, which comprises the steps of monitoring the temperature of an internal board card of the aerial camera through a first temperature sensor, monitoring the current environment temperature through a second temperature sensor, transmitting a signal to a temperature control device through the second temperature sensor when the environment temperature is lower than the normal starting temperature of the aerial camera, controlling a heating component of equipment to start through the temperature control device, preheating in a low-temperature state, and meeting the normal starting requirements of the multi-aerial camera; after the aerial photography instrument is normally started, heat generated in the working process of the aerial photography instrument can keep normal work of equipment; according to the current ambient temperature detected in the third step and the temperature of the board card inside the aerial photography instrument, when the temperature is too hot, the first temperature sensor and the second temperature sensor transmit signals to the temperature control device, the first cooling fan and the second cooling fan are controlled to be started through the temperature control device, the aerial photography instrument is cooled, auxiliary heating and heat dissipation are carried out on the equipment, and the normal work of the equipment is guaranteed.

Description

Method for realizing automatic temperature control of multiple aerial cameras of large unmanned aerial vehicle

Technical Field

The invention relates to the technical field of aerial cameras, in particular to a method for realizing automatic temperature control of multiple aerial cameras of a large unmanned aerial vehicle.

Background

The aerial camera in the aerial camera is mainly a medium-picture industrial grade digital aerial camera which is mainly used for efficiently acquiring high-resolution, high-precision and high-quality true-color images, a digital photogrammetric technology is utilized to provide measuring area images with geocoding and key target geographic information in a grading and batching manner, the advantages of large load and long endurance of an unmanned aerial vehicle flight platform and the advantage of high acquisition efficiency of a sensor are combined, and the medium-picture industrial grade digital aerial camera which is large in breadth, high in reliability, high in imaging quality, strong in expandability, easy to operate and integrate is suitable for meeting the operation requirements of large-range and high-precision unmanned aerial vehicles.

The working temperature of an aerial camera in the aerial camera cannot meet the requirement of aerial work under the condition of no environmental control, if the camera and the whole system meet the working environment of-25 ℃ to +50 ℃, auxiliary heating and heat dissipation are needed to be carried out on the equipment so as to ensure that the equipment works normally, and a method for realizing automatic temperature control of multiple aerial cameras of the large unmanned aerial vehicle is continued to solve the problem of the working temperature.

Disclosure of Invention

The invention aims to provide a method for realizing automatic temperature control of a large unmanned aerial vehicle multi-aerial camera so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a method for realizing automatic temperature control of a large unmanned aerial vehicle multi-aerial camera comprises the following steps:

s1: a temperature control device is arranged in the aerial photography instrument shell and is respectively and electrically connected with a first cooling fan, a second cooling fan, an equipment heating assembly, a first temperature sensor and a second temperature sensor through wires;

s2: first radiator fan installs in the aerial camera department of taking photo by plane appearance, and second radiator fan installs in aerial camera inner chamber middle part, first temperature sensor installs in the aerial camera appearance, and second temperature sensor installs outside the aerial camera appearance, equipment heating element pastes the camera outside of wrapping up in the aerial camera of taking photo by plane appearance.

s3: the temperature of an internal board card of the aerial photography instrument is monitored by a first temperature sensor, the current environment temperature is monitored by a second temperature sensor, when the environment temperature is lower than the normal starting temperature of the aerial photography instrument, a signal is transmitted to a temperature control device by the second temperature sensor, the heating component of equipment is controlled to start by the temperature control device, preheating is carried out in a low-temperature state, and the normal starting requirement of multiple aerial photography instruments is met; after the aerial photography instrument is normally started, heat generated in the working process of the aerial photography instrument can keep normal work of equipment;

s4: according to the current environment temperature and the temperature of the board card inside the aerial photography instrument, which are detected in the third step, when the temperature is too high, the first temperature sensor and the second temperature sensor transmit signals to the temperature control device, and the first cooling fan and the second cooling fan are controlled to be started through the temperature control device to cool the aerial photography instrument.

Preferably, the threshold value of the working temperature of the aerial photography instrument is-25 ℃ to 50 ℃.

Preferably, the temperature control device comprises a shell, a first connecting plate is welded at the lower end of the left side wall and the lower end of the right side wall of the shell, the first connecting plate is fixed on the bottom surface of an inner cavity of the aerial camera through screws, a single chip microcomputer control circuit and a voltage stabilizing circuit are arranged in the inner cavity of the shell, a battery bin is arranged at the front end of the shell, a connecting structure is arranged between the battery bin and the front end of the shell, and the single chip microcomputer control circuit is electrically connected with the battery bin through the voltage stabilizing circuit.

Preferably, the battery compartment comprises a compartment body, a battery is arranged in the compartment body, second connecting plates are welded at the lower ends of the left side wall and the right side wall of the compartment body, the second connecting plates are fixed on the bottom surface of the inner cavity of the aerial photography instrument through screws, the compartment body is further provided with a power supply charging port, and the power supply charging port is embedded in and installed on the front wall of the compartment body.

Preferably, the connecting structure is arranged in a groove in the front side edge of the left side wall and the right side wall of the shell, lug plates are integrally formed on the left side and the right side of the rear wall of the battery compartment and are inserted into the groove on the same side, a fixing bolt penetrates through the outer side of each lug plate, and the inner side end of each fixing bolt is screwed on the bottom surface of the groove.

Preferably, equipment heating element includes the external insulator, the inside electrically conductive heat-generating body that has coiled of external insulator, the layer has been pasted in external insulator both sides tip parcel, and pastes the layer medial surface and paste in the aerial camera outside of taking photo by plane appearance, electrically conductive heat-generating body electricity is connected with the cable, and the cable passes and pastes the layer.

Preferably, the outer insulator is specifically a polyimide film.

Preferably, the conductive heating element is a metal foil or a metal wire.

Preferably, the first cooling fan and the second cooling fan have the same structure, the first cooling fan includes a fan main body, a connecting ring is fixedly assembled at the lower end of the outer wall of the fan main body, and mounting holes are uniformly formed in the connecting ring.

Compared with the prior art, the invention has the beneficial effects that:

(1) The temperature of an internal board card of the aerial photography instrument is monitored through the first temperature sensor, the current environment temperature is monitored through the second temperature sensor, when the environment temperature is lower than the normal starting temperature of the aerial photography instrument, the second temperature sensor transmits a signal to the temperature control device, the temperature control device controls the heating assembly of the equipment to be started, preheating is carried out in a low-temperature state, and the normal starting requirements of the multiple aerial photography instruments are met; after the aerial photography instrument is normally started, heat generated in the working process of the aerial photography instrument can keep the equipment to normally work.

(2) According to the current ambient temperature detected in the third step and the temperature of the board card inside the aerial photography instrument, when the temperature is too hot, the first temperature sensor and the second temperature sensor transmit signals to the temperature control device, the first cooling fan and the second cooling fan are controlled to be started through the temperature control device, the aerial photography instrument is cooled, auxiliary heating and heat dissipation are carried out on the equipment, and the normal work of the equipment is guaranteed.

(3) The equipment heating component is formed by high-temperature and high-pressure heat sealing by using a polyimide film as an outer insulator and using metal foils and metal wires as inner conductive heating bodies, and has excellent insulating strength, electric strength, thermal conductivity and resistance stability.

(4) The temperature control device that the scheme adopted carries out the supply of power through the battery compartment for temperature control device and supporting electron device supply power alone, reduce the burden to aerial photography appearance electric energy consumption, the battery of adoption is rechargeable lithium cell, charges through the power mouth that charges, convenient to use.

(5) The battery compartment that the scheme adopted passes through connection structure to be fixed at the casing front end, and fixing bolt among the connection structure can be dismantled, dismantles the separation that makes things convenient for battery compartment and casing down, and the convenience is to maintenance between them.

(6) The first radiator fan and the second radiator fan that the scheme adopted are used for cooling down aerial photography camera and the inside integrated circuit board of aerial photography appearance respectively, and radiator fan's installation accessible screw is realized, also can paste fixedly through the viscose.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural diagram of a temperature control device according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the heating assembly of the apparatus of the present invention;

fig. 5 is a schematic structural view of a first heat dissipation fan according to the present invention.

In the figure: 1-temperature control device, 11-shell, 12-first connecting plate, 13-voltage stabilizing circuit, 14-singlechip control circuit, 15-battery bin, 151-bin body, 152-second connecting plate, 153-power charging port, 16-connecting structure, 161-groove, 162-lug plate, 163-fixing bolt, 2-first cooling fan, 21-fan main body, 22-connecting ring, 23-mounting hole, 3-second cooling fan, 4-equipment heating component, 41-outer insulator, 42-conductive heating body, 43-adhesive layer, 44-cable, 5-first temperature sensor and 6-second temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-5, the present invention provides a technical solution: a method for realizing automatic temperature control of a large unmanned aerial vehicle multi-aerial camera comprises the following steps:

s1: a temperature control device 1 is arranged in the housing of the aerial camera, and the temperature control device 1 is respectively and electrically connected with a first cooling fan 2, a second cooling fan 3, an equipment heating assembly 4, a first temperature sensor 5 and a second temperature sensor 6 through leads;

s2: first radiator fan 2 is installed in the aerial camera department of the appearance of taking photo by plane, and second radiator fan 3 is installed in aerial camera inner chamber middle part, and first temperature sensor 5 is installed in the appearance of taking photo by plane, and second temperature sensor 6 installs outside the appearance of taking photo by plane, and equipment heating element 4 pastes the parcel in the aerial camera outside of the appearance of taking photo by plane, and the concrete mounted position of each device can be adjusted according to actual user demand.

s3: the method comprises the following steps that a first temperature sensor 5 monitors the temperature of a board card in the aerial photography instrument, a second temperature sensor 6 monitors the current environment temperature, when the environment temperature is lower than the normal starting temperature of the aerial photography instrument, the second temperature sensor 6 transmits a signal to a temperature control device 1, the temperature control device 1 controls a device heating assembly 4 to be started, preheating is carried out in a low-temperature state, and the normal starting requirements of the multiple aerial photography instruments are met; after the aerial photography instrument is normally started, heat generated in the working process of the aerial photography instrument can keep normal work of equipment;

s4: according to the current environment temperature and the board card temperature inside the aerial photography instrument detected in the third step, when the temperature is too hot, the first temperature sensor 5 and the second temperature sensor 6 transmit signals to the temperature control device 1, and the temperature control device 1 controls the first cooling fan 2 and the second cooling fan 3 to be started to cool the aerial photography instrument; the threshold value of the working temperature of the aerial photography instrument is-25 ℃ to 50 ℃.

The temperature of an internal board card of the aerial photography instrument is monitored through the first temperature sensor 5, the current environment temperature is monitored through the second temperature sensor 6, when the environment temperature is lower than the normal starting temperature of the aerial photography instrument, the second temperature sensor 6 transmits a signal to the temperature control device 1, the equipment heating assembly 4 is controlled to be started through the temperature control device 1, preheating is carried out in a low-temperature state, and the normal starting requirements of the multiple aerial photography instruments are met; after the aerial photography instrument is normally started, heat generated in the working process of the aerial photography instrument can keep normal work of equipment;

according to the current ambient temperature detected in the third step, the temperature of the board card inside the aerial photography instrument, when the temperature is too hot, the first temperature sensor 5 and the second temperature sensor 6 transmit signals to the temperature control device 1, the first cooling fan 5 and the second cooling fan 6 are controlled to be started through the temperature control device 1, the aerial photography instrument is cooled, the working temperature of the aerial photography instrument is kept within the normal working temperature, auxiliary heating and heat dissipation are carried out on the equipment, the normal working of the equipment is ensured, and the purpose of automatic temperature control is achieved.

Specifically, the temperature control device 1 comprises a shell 11, wherein first connecting plates 12 are welded at the lower ends of the left side wall and the right side wall of the shell 11, the first connecting plates 12 are fixed on the bottom surface of an inner cavity of the aerial photography instrument through screws, a single chip microcomputer control circuit 14 and a voltage stabilizing circuit 13 are arranged in the inner cavity of the shell 11, a battery compartment 15 is arranged at the front end of the shell 11, a connecting structure 16 is arranged between the battery compartment 15 and the front end of the shell 11, and the single chip microcomputer control circuit 14 is electrically connected with the battery compartment 15 through the voltage stabilizing circuit 13; battery compartment 15 includes storehouse body 151, is equipped with the battery in the storehouse body 151, and the welding of lateral wall lower extreme has second connecting plate 152 about storehouse body 151, and second connecting plate 152 passes through the fix with screw on aerial camera appearance inner chamber bottom surface, and storehouse body 151 still is equipped with power and charges mouthful 153, and power charges mouthful 153 embedding and installs on storehouse body 151 antetheca.

The temperature control device 1 that adopts carries out the supply of power through battery compartment 15 for temperature control device 1 and supporting electron device supply power alone, reduce the burden to aerial photography appearance electric energy consumption, the battery that adopts is chargeable lithium cell, charges through power charging mouth 153, convenient to use.

Specifically, the connecting structure 16 is provided with a groove 161 arranged at the front edge of the left and right side walls of the housing 11, ear plates 162 are integrally formed at the left and right sides of the rear wall of the battery compartment 15, the ear plates 162 are inserted into the groove 161 at the same side, a fixing bolt 163 penetrates through the outer side of the ear plates 162, and the inner side end of the fixing bolt 163 is screwed on the bottom surface of the groove 161; the battery compartment 15 that adopts passes through connection structure 16 to be fixed at the casing 11 front end, and fixing bolt 163 among connection structure 16 can be dismantled, dismantles the separation that makes things convenient for battery compartment 15 and casing 11 down, and the convenience is to maintenance to both.

Specifically, the device heating assembly 4 includes an outer insulator 41, a conductive heating element 42 is coiled inside the outer insulator 41, two side ends of the outer insulator 41 are wrapped with an adhesive layer 43, an inner side surface of the adhesive layer 43 is adhered to an outer side of an aerial camera, the conductive heating element 42 is electrically connected with a cable 44, and the cable 44 passes through the adhesive layer 43; the outer insulator 41 is specifically a polyimide film; the conductive heating element 42 is specifically a metal foil or a metal wire; the equipment heating component 4 is made of polyimide film as an external insulation 41 body and metal foil and metal wire as an internal conductive heating body 42 through high-temperature and high-pressure heat sealing, and has excellent insulation strength, electric resistance strength, thermal conductivity and resistance stability.

Specifically, the first cooling fan 2 and the second cooling fan 3 have the same structure, the first cooling fan 2 includes a fan main body 21, a connection ring 22 is fixedly assembled at the lower end of the outer wall of the fan main body 21, and mounting holes 23 are uniformly formed in the connection ring 22; first radiator fan 2 and the second radiator fan 3 of adoption are used for cooling down respectively aerial camera and the inside integrated circuit board of aerial photography appearance, and radiator fan's installation accessible screw is realized, also can paste fixedly through the viscose to conveniently overhaul and change for giving first place to.

The working principle is as follows: the temperature of an internal board card of the aerial photography instrument is monitored through the first temperature sensor 5, the current environment temperature is monitored through the second temperature sensor 6, when the environment temperature is lower than the normal starting temperature of the aerial photography instrument, the second temperature sensor 6 transmits a signal to the temperature control device 1, the equipment heating assembly 4 is controlled to be started through the temperature control device 1, preheating is carried out in a low-temperature state, and the normal starting requirement of the multi-aerial photography instrument is met; after the aerial photography instrument is normally started, heat generated in the working process of the aerial photography instrument can keep normal work of equipment; according to the current environment temperature and the board card temperature inside the aerial photography instrument detected in the third step, when the temperature is too hot, the first temperature sensor 5 and the second temperature sensor 6 transmit signals to the temperature control device 1, the temperature control device 1 controls the first cooling fan 5 and the second cooling fan 6 to be started, the aerial photography instrument is cooled, and auxiliary heating and heat dissipation are carried out on the equipment to ensure that the equipment works normally;

the adopted temperature control device 1 supplies power through the battery bin 15, so that the temperature control device 1 and the matched electronic device supply power independently, the burden of power consumption of the aerial camera is reduced, the adopted battery is a rechargeable lithium battery, and the battery is charged through the power charging port 153, so that the use is convenient; the adopted battery compartment 15 is fixed at the front end of the shell 11 through the connecting structure 16, and the fixing bolt 163 in the connecting structure 16 can be disassembled, so that the battery compartment 15 and the shell 11 can be conveniently separated from each other when the fixing bolt is disassembled, and the battery compartment 15 and the shell 11 can be conveniently maintained; the outer insulator 41 is specifically a polyimide film; the conductive heating element 42 is specifically a metal foil or a metal wire; the equipment heating component 4 is a polyimide heating component, is formed by taking a polyimide film as an outer insulating body 41 and a metal foil and a metal wire as an inner conductive heating body 42 through high-temperature and high-pressure heat sealing, and has excellent insulating strength, electric resistance strength, thermal conductivity and resistance stability; the first radiator fan 2 and the second radiator fan 3 that adopt are used for cooling down aerial photography camera and the inside integrated circuit board of aerial photography appearance respectively, and radiator fan's installation accessible screw is realized, also can paste fixedly through the viscose.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A method for realizing automatic temperature control of a large unmanned aerial vehicle multi-aerial camera is characterized by comprising the following steps:

s1: a temperature control device (1) is arranged in a casing of the aerial camera, and the temperature control device (1) is respectively and electrically connected with a first cooling fan (2), a second cooling fan (3), an equipment heating assembly (4), a first temperature sensor (5) and a second temperature sensor (6) through leads;

s2: first radiator fan (2) are installed in the aerial camera department of the appearance of taking photo by plane, and second radiator fan (3) are installed in aerial camera inner chamber middle part, first temperature sensor (5) are installed in the appearance of taking photo by plane, and second temperature sensor (6) are installed outside the appearance of taking photo by plane, equipment heating element (4) are pasted the parcel and are taken photo by plane camera outside in the appearance of taking photo by plane.

s3: the temperature of a board card in the aerial photography instrument is monitored by a first temperature sensor (5), the current environment temperature is monitored by a second temperature sensor (6), when the environment temperature is lower than the normal starting temperature of the aerial photography instrument, the second temperature sensor (6) transmits a signal to a temperature control device (1), a heating component (4) of equipment is controlled to be started by the temperature control device (1), preheating is carried out in a low-temperature state, and the normal starting requirement of the multi-aerial photography instrument is met; after the aerial photography instrument is normally started, heat generated in the working process of the aerial photography instrument can keep normal work of equipment;

s4: according to the current environment temperature detected in the third step and the temperature of the board card inside the aerial photography instrument, when the temperature is too hot, the first temperature sensor (5) and the second temperature sensor (6) transmit signals to the temperature control device (1), the first cooling fan (2) and the second cooling fan (3) are controlled to be started through the temperature control device (1), and the aerial photography instrument is cooled.

2. The method for realizing automatic temperature control of the multi-aerial camera of the large unmanned aerial vehicle according to claim 1, wherein the method comprises the following steps: the threshold value of the working temperature of the aerial photography instrument is-25 ℃ to 50 ℃.

3. The method for realizing automatic temperature control of the multi-aerial camera of the large unmanned aerial vehicle according to claim 1, wherein the method comprises the following steps: temperature control device (1) includes casing (11), the welding of lateral wall lower extreme has first connecting plate (12) about casing (11), and first connecting plate (12) pass through the fix with screw on aerial photography appearance inner chamber bottom surface, casing (11) inner chamber is equipped with single chip microcomputer control circuit (14) and voltage stabilizing circuit (13), casing (11) front end is equipped with battery compartment (15), and is equipped with connection structure (16) between battery compartment (15) and casing (11) front end, single chip microcomputer control circuit (14) are connected with battery compartment (15) electricity through voltage stabilizing circuit (13).

4. The method for realizing automatic temperature control of the multi-aerial camera of the large unmanned aerial vehicle according to claim 3, wherein the method comprises the following steps: the battery compartment (15) comprises a compartment body (151), a battery is arranged in the compartment body (151), the lower ends of the left side wall and the right side wall of the compartment body (151) are welded with second connecting plates (152), the second connecting plates (152) are fixed on the bottom surface of an inner cavity of the aerial camera through screws, the compartment body (151) is further provided with a power supply charging port (153), and the power supply charging port (153) is embedded and installed on the front wall of the compartment body (151).

5. The method for realizing automatic temperature control of the multi-aerial camera of the large unmanned aerial vehicle according to claim 3, wherein the method comprises the following steps: connection structure (16) set up recess (161) of lateral wall front side edge about casing (11), battery compartment (15) rear wall left and right sides integrated into one piece has otic placode (162), and otic placode (162) peg graft in the homonymy in recess (161), fixing bolt (163) have been run through in otic placode (162) outside, and fixing bolt (163) inboard end spiro union is on recess (161) bottom surface.

6. The method for realizing automatic temperature control of the multi-aerial camera of the large unmanned aerial vehicle according to claim 1, wherein the method comprises the following steps: equipment heating element (4) include outer insulator (41), the inside electrically conductive heat-generating body (42) of coiling of outer insulator (41), outer insulator (41) both sides tip parcel has pastes layer (43), and pastes layer (43) medial surface and paste in the aerial camera outside of aerial photography appearance, electrically conductive heat-generating body (42) electricity is connected with cable (44), and cable (44) pass and paste layer (43).

7. The method for realizing automatic temperature control of the multi-aerial camera of the large unmanned aerial vehicle according to claim 6, wherein the method comprises the following steps: the outer insulator (41) is specifically a polyimide film.

8. The method for realizing automatic temperature control of the multi-aerial camera of the large unmanned aerial vehicle according to claim 6, wherein the method comprises the following steps: the conductive heating body (42) is specifically a metal foil or a metal wire.

9. The method for realizing automatic temperature control of the multi-aerial camera of the large unmanned aerial vehicle according to claim 1, wherein the method comprises the following steps: the structure of first radiator fan (2) and second radiator fan (3) is the same completely, first radiator fan (2) includes fan main body (21), fan main body (21) outer wall lower extreme fixed assembly has go-between (22), mounting hole (23) have evenly been seted up on go-between (22).

Images