CN115956517A - Hybrid self-powered animal tracker based on vibration energy collection technology - Google Patents
Hybrid self-powered animal tracker based on vibration energy collection technology Download PDFInfo
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Abstract
The invention discloses a hybrid self-powered animal tracker based on a vibration energy acquisition technology, and belongs to the field of renewable environment-friendly new energy. The device consists of a shell, a napestrap, a fixed shaft, an acquisition circuit module, a GPS positioning communication module and a hybrid energy harvester. The invention adopts a hybrid energy harvesting structure in a limited small space to convert the collected mechanical energy vibrated in the environment into electric energy, and after the collected electric energy is processed by the acquisition circuit module and the GPS positioning communication module, the accurate position of an animal can be checked on equipment through developed application software, so that the invention can overcome some remarkable defects of the currently applied chemical battery and an animal tracker utilizing solar energy to generate electricity, realize long-time passive self-power supply, and is fixed on the neck of the animal in the form of a collar, thereby avoiding the situation that a pet is lost, and simultaneously, the invention can more conveniently and effectively realize the positioning of animals in a pastoral area and the tracking and monitoring of wild animals.
Description
Technical Field
The invention relates to a hybrid self-powered animal tracker based on a vibration energy acquisition technology, in particular to a self-powered animal tracker which can effectively convert mechanical energy of vibration in the environment into electric energy, can realize positioning and tracking of animals, wild animals and pets in a pastoral area after being installed, and belongs to the field of renewable, environment-friendly and new energy.
Background
The scale of animal husbandry in China is huge, but in many pasturing areas in China, the ancestors and ancestors of the herdsman still graze by means of hiking, horse riding or motorcycle riding, even if the herdsman steps on the snow in the windward, the number of lines is ten kilometers on the barren and smokeless grassland; sometimes, cattle and sheep are searched out in two or three consecutive days when severe weather occurs or the livestock runs too far, so that how to change the traditional grazing mode of walking with the cattle and sheep becomes an important problem; modern animal husbandry breeding in China is an intensive industry with high input, high output and high benefit, and the intensive industry consumes a large amount of manpower and natural resources and has negative influence on the environment to some extent. The use of the Internet of things can effectively reduce resource consumption and reduce the influence on the environment, so that the livestock breeding becomes an industry with scientific management, resource saving, environmental friendliness and remarkable benefit. Accelerating the application of the technology of the Internet of things in the current animal husbandry breeding construction becomes a necessary choice for the animal husbandry development in China.
Statistics show that the number of urban dogs and cats increases year by year. In connection with this, the number of pets lost has also increased year by year. Animal positioning tracker plays more and more important role in many aspects, but animal positioning tracking equipment on the market still uses chemical batteries as main power supply mode at present, has the shortcomings of environmental pollution, short service life, limited power storage capacity, high replacement cost and the like, and although the technical performance of batteries is greatly improved, the long-term requirement of electronic equipment on power supply technology still cannot be met.
The most common non-chemical battery powered method used in animal trackers is solar powered, which, although a good alternative or auxiliary chemical battery powered method, has some significant disadvantages: first, consider that the tracked animal cannot live within two polar rings; secondly, the solar energy income is unstable and unpredictable, and only about half a day of energy can be harvested even under the sun all the time; finally, environmental factors such as cloud cover, shadows, seasons, and even the current sun illumination angle can affect the power generation effect. The vibration energy collecting technology is a technology for collecting and converting vibration energy around the environment into usable electric energy, and can provide reliable and durable self-driven energy supply for electronic equipment, so that the vibration energy collecting technology can become a new form of power supply method for the animal tracker.
Disclosure of Invention
In view of the above-mentioned deficiencies, the present invention provides a hybrid self-powered animal tracker based on vibrational energy harvesting technology.
The invention aims to provide a hybrid self-powered animal tracker which can convert the collected vibration mechanical energy in the environment into electric energy through a hybrid energy harvester in a limited small space, is stable in power generation, free of pollution and less affected by external environment factors, and can realize long-time passive self-power.
The core technical characteristics of the invention are as follows: the invention is fixed on the neck of an animal in a collar mode, so that the animal can excite the whole device when moving, and the cantilever beam in the hybrid energy harvester can do reciprocating swing motion under the inertia action of the magnets at the upper end and the lower end, thereby generating three effects: firstly, the piezoelectric film adhered on the cantilever beam can generate corresponding deformation due to the back-and-forth swing of the cantilever beam, so that electric energy is generated due to the piezoelectric effect of the material; secondly, the Z-shaped friction power generation part with two ends respectively stuck on the shell and the cantilever beam can be regarded as being composed of two friction power generation units, and each friction power generation unit is composed of a copper friction layer, a fluorinated ethylene propylene friction layer and a copper electrode layer; when the cantilever beam swings to one side, the copper friction layer and the fluorinated ethylene propylene friction layer in the two friction power generation units on the side are in local friction contact, electrons are transferred to the fluorinated ethylene propylene friction layer with stronger electron affinity from the copper friction layer due to different electron affinities of the two materials, so that opposite charges are generated on the two films, the copper electrode layer and the copper friction layer are connected together by using an external circuit to serve as two electrodes, when the cantilever beam swings to the other side, the copper friction layer is far away from the fluorinated ethylene propylene friction layer, so that a potential difference is generated between the copper electrode layer and the copper friction layer, and therefore, in the process of swinging back and forth of the cantilever beam, the two films of the copper friction layer and the fluorinated ethylene propylene friction layer are in periodic contact and separation, so that electrons can be transferred back and forth between the two electrodes through the external circuit and generate current; third, since the magnet performs a reciprocating oscillating motion and the magnetic field generated by the magnet moves along with the magnet, the electromagnetic coil located around the magnet cuts the magnetic induction lines, thereby generating a current in the electromagnetic coil.
The collected current is transmitted to an acquisition circuit module, the acquisition circuit module uses a capacitor as an intermediate storage to store enough energy required for completing a task once, then a cold start circuit monitors the capacitor, once a definite threshold value is reached, power is supplied to a GPS positioning communication module, the position of an animal is recorded, and then the recorded data is remotely transmitted to a server through wireless communication, and the position condition of the animal is checked through developed application software.
The invention is realized by the following technical scheme: the utility model provides a hybrid self-power animal tracker based on vibration energy collection technique, is become its characterized in that by shell, neck area, fixed axle, acquisition circuit module, GPS location communication module and hybrid energy harvester: the shell is provided with a shell fixing hole, a circuit chamber, an energy capturing chamber, a cantilever beam supporting shaft and a slope structure; the neck strap is provided with a neck strap fixing hole structure; the hybrid energy harvester is provided with a cantilever beam, a piezoelectric film, a friction power generation part, a magnet and an electromagnetic induction coil structure, and is positioned in an energy harvesting chamber on the shell; the cantilever beam is provided with a connecting hole and a magnet seat structure, the cantilever beam supporting shaft passes through the connecting hole, the cantilever beam can slightly slide on the cantilever beam supporting shaft, and the piezoelectric film is adhered on the cantilever beam; the friction power generation part is structurally divided into three structures, namely a copper friction layer, a fluorinated ethylene propylene friction layer and a copper electrode layer, the copper electrode layer and the fluorinated ethylene propylene friction layer with the same size are bonded together, then one copper friction layer is bonded at one end of the friction power generation unit to form a friction power generation unit, the copper friction layers of the two friction power generation units are bonded together to form a Z-shaped friction power generation part, one copper electrode layer in the friction power generation part is bonded on a slope on the shell, and one end of the other copper electrode layer is bonded on the cantilever beam, so that the friction power generation part is fixed; the electromagnetic induction coil is bonded on the upper surface, the lower surface and the side surface of the energy harvesting chamber in the shell, the magnet is bonded on the magnet seat on the cantilever beam, the acquisition circuit module and the GPS positioning communication module are respectively fixed on the side wall of the circuit chamber, and the fixing shaft can be inserted into the shell fixing hole and the collar fixing hole so as to fix the whole device.
Compared with the prior art, the invention has the following beneficial effects.
(1) The invention is fixed on the neck of an animal in a collar form, can collect mechanical energy of the movement of the animal and convert the mechanical energy into electric energy to generate electricity, can check the position condition of the animal on developed application software, and can realize the positioning, tracking and monitoring of pets, pastoral animals and wild animals.
(2) The invention can overcome the defects of environmental pollution, short service life, limited electricity storage capacity, high replacement cost and the like of the animal tracker of the currently applied chemical battery.
(3) The solar power generation and power supply method is stable in power generation and is rarely influenced by external environmental factors, and when the solar power generation and power supply method is applied, the solar power generation and power supply method has the remarkable defects that the solar energy income is unstable and unpredictable, an additional energy storage device is needed, and the like, so that the solar power generation and power supply method can be used as a substitute method for solar power generation.
(4) The invention utilizes the self-movement of animals as an excitation source to generate electricity, adopts the hybrid energy harvester in a limited small space to convert the collected mechanical energy into electric energy through innovative structural design, can fully utilize the space, and effectively improves the output power, thereby reducing the size of the whole device and realizing long-time passive self-power supply.
(5) Due to the design of a special structure, the size of the hybrid energy harvester is flexible and variable, the size of the whole device can be adjusted by changing the number of the hybrid energy harvesters and the length of the cantilever beams, and corresponding adaptation can be performed according to different application conditions.
(6) The cantilever beam of the invention can slightly slide on the cantilever beam supporting shaft, so that the cantilever beam has better response to the vibration excitation under lower frequency, and can realize the collection of low-frequency vibration energy.
(7) The invention designs a plurality of shell fixing holes and neck strap fixing holes, so that the neck strap fixing device can be adjusted when being worn, thereby being suitable for the neck sizes of different animals.
Drawings
FIG. 1 is an overall external view of a hybrid self-powered animal tracker based on vibrational energy harvesting technology in accordance with the present invention;
FIG. 2 is a schematic diagram of the internal structure of a hybrid self-powered animal tracker based on vibration energy harvesting technology according to the present invention;
FIG. 3 is a schematic diagram of a hybrid energy harvester of a hybrid self-powered animal tracker based on vibrational energy harvesting techniques according to the present invention;
FIG. 4 is a schematic diagram of a housing of a hybrid self-powered animal tracker based on vibration energy harvesting technology according to the present invention;
FIG. 5 is a schematic diagram of a friction power generation portion of a hybrid self-powered animal tracker based on vibrational energy harvesting technology in accordance with the present invention;
FIG. 6 is a schematic diagram of a cantilever beam structure of a hybrid self-powered animal tracker based on vibrational energy harvesting techniques in accordance with the present invention;
figure 7 is a circuit flow diagram of a hybrid self-powered animal tracker based on vibrational energy harvesting techniques in accordance with the present invention.
The numbers in fig. 1 to 7 are uniform, 1, a housing, 101, a housing fixing hole, 102, an energy capturing chamber, 103, a cantilever beam supporting shaft, 104, a slope, 105, a circuit chamber, 2, a nape, 201, a nape fixing hole, 3, a fixing shaft, 4, an acquisition circuit module, 5, a GPS positioning communication module, 6, a hybrid energy capturing device, 601, an electromagnetic induction coil, 602, a magnet, 603, a friction power generation part, 60301, a copper electrode layer, 60302, a fluorinated ethylene propylene friction layer, 60303, a copper friction layer, 604, a cantilever beam, 60401, a connecting hole, 60402, a magnet seat 605 and a piezoelectric film.
Detailed Description
In order to fully understand the advantages of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and the specific embodiments, which are only used for explaining the present invention and do not limit the protection scope of the present invention.
The embodiment is as follows: as shown in fig. 1 to 7, a hybrid self-powered animal tracker based on vibration energy collection technology is composed of a housing 1, a neck strap 2, a fixed shaft 3, a collection circuit module 4, a GPS positioning communication module 5 and a hybrid energy harvester 6, and is characterized in that: the shell 1 is provided with a shell fixing hole 101, an energy capturing chamber 102, a cantilever beam supporting shaft 103, a slope 104 and a circuit chamber 105; the nape belt 2 is provided with a nape belt fixing hole 201 structure; the hybrid energy harvester 6 is provided with an electromagnetic induction coil 601, a magnet 602, a friction power generation part 603, a cantilever beam 604 and a piezoelectric film 605 structure, and the hybrid energy harvester 6 is positioned in the energy harvesting chamber 102 on the housing 1; the cantilever beam 604 is provided with a connecting hole 60401 and a magnet seat 60402 structure, the cantilever beam supporting shaft 103 passes through the connecting hole 60401, the cantilever beam 604 can slightly slide on the cantilever beam supporting shaft 103, and the piezoelectric film 605 is adhered on the cantilever beam 604; the friction power generation part 603 is structurally divided into three structures of a copper electrode layer 60301, a fluorinated ethylene propylene friction layer 60302 and a copper friction layer 60303, the copper electrode layer 60301 and the fluorinated ethylene propylene friction layer 60302 with the same size are bonded together, then one end of the copper friction layer 60303 is bonded to form a friction power generation unit, the copper friction layers 60303 of the two friction power generation units are bonded together to form a Z-shaped friction power generation part 603, one copper electrode layer 60301 in the friction power generation part 603 is bonded to the cantilever 104 on the shell 1, and one end of the other copper electrode layer 60301 is bonded to the cantilever 604, so that the friction power generation part 603 is fixed; the electromagnetic induction coil 601 is adhered to the upper surface, the lower surface and the side surface of the energy capturing chamber 102 in the housing 1, the magnet 602 is adhered to the magnet seat 60402 on the cantilever 604, and the acquisition circuit module 4 and the GPS positioning communication module 5 are respectively fixed on the side wall of the circuit chamber 105.
When the device is installed, the neck strap 2 is required to be sleeved on the neck of an animal, and the fixing shaft 3 is inserted into the shell fixing hole 101 and the neck ring fixing hole 201, so that the whole device is fixed.
The number of the hybrid energy harvester 6 in the embodiment is four.
The material of the magnet 602 in the hybrid energy harvester 6 described in this embodiment is neodymium iron boron.
The cantilever 604 in the hybrid energy harvester 6 of the present embodiment is made of copper.
In this embodiment, the present invention is fixed on the neck of an animal in the form of a collar, so that when the animal moves, the whole device is excited, so that the cantilever beam 604 in the hybrid energy harvester 6 makes a reciprocating oscillating motion under the inertia effect of the magnets 602 at the upper and lower ends, thereby generating three effects: firstly, the piezoelectric film 605 adhered on the cantilever 604 will deform correspondingly due to the back-and-forth oscillation of the cantilever 604, so as to generate electric energy due to the piezoelectric effect of the material; secondly, the Z-shaped friction power generation part 603 with two ends respectively adhered to the housing 1 and the cantilever beam 604 can be regarded as being composed of two friction power generation units, and each friction power generation unit is composed of three parts, namely a copper electrode layer 60301, a fluorinated ethylene propylene friction layer 60302 and a copper friction layer 60303; therefore, when the cantilever beam 604 swings to one side, the copper friction layer 60303 and the fluorinated ethylene propylene friction layer 60302 in the two friction power generation units on the side are in local friction contact, and because the electron affinities of the two materials are different, electrons are transferred from the copper friction layer 60303 to the fluorinated ethylene propylene friction layer 60302 with stronger electron affinity, so that opposite charges are generated on the two films, the copper electrode layer 60301 and the copper friction layer 60303 are connected by an external circuit to serve as two electrodes, and when the cantilever beam swings to the other side, the copper friction layer 60303 is far away from the fluorinated ethylene propylene friction layer 60302, so that a potential difference is generated between the copper electrode layer 60301 and the copper friction layer 60303, and therefore, in the process of swinging the cantilever beam 604 back and forth, the two films of the copper friction layer 60303 and the fluorinated ethylene propylene friction layer 60302 are in periodic contact and separation, so that electrons can be transferred back and forth between the two electrodes by the external circuit and generate current; third, since the magnet 602 performs a reciprocating oscillating motion and the magnetic field generated by the magnet 602 moves along with the magnet, the electromagnetic induction coil 601 located around the magnet 602 cuts the magnetic induction lines, thereby generating a current in the electromagnetic induction coil 601.
The collected current is transmitted to the acquisition circuit module 4, the acquisition circuit module 4 uses a capacitor as an intermediate storage to store enough energy required for completing a task once, then a cold start circuit monitors the capacitor, once a definite threshold value is reached, power is supplied to the GPS positioning communication module 5, the position of the animal is recorded, and then the recorded data is remotely transmitted to a server through wireless communication, and the position condition of the animal is checked on equipment through developed application software.
In conclusion, compared with the traditional animal tracker, the hybrid self-powered animal tracker based on the vibration energy collection technology does not adopt a chemical battery for power supply, is pollution-free, has stable power generation, is rarely influenced by external environmental factors, can be used as a substitute method for solar power generation, adopts the hybrid energy harvester in a limited small space to convert the collected mechanical energy into electric energy, and can realize long-time passive self-power supply; and the collected electric energy is processed by the acquisition circuit module and the GPS positioning communication module, and then the accurate position of the animal can be checked on the equipment through developed application software.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (5)
1. The utility model provides a hybrid self-power animal tracker based on vibration energy collection technique, includes shell (1), neck area (2), fixed axle (3), acquisition circuit module (4), GPS location communication module (5) and mixes energy harvester (6), its characterized in that: the shell (1) is provided with a shell fixing hole (101), an energy capturing chamber (102), a cantilever beam supporting shaft (103), a slope (104) and a circuit chamber (105) structure; the neck strap (2) is provided with a neck strap fixing hole (201); the hybrid energy harvester (6) is provided with an electromagnetic induction coil (601), a magnet (602), a friction power generation part (603), a cantilever beam (604) and a piezoelectric film (605), and the hybrid energy harvester (6) is positioned in an energy harvesting chamber (102) on the shell (1); the cantilever beam (604) is provided with a connecting hole (60401) and a magnet seat (60402), the cantilever beam supporting shaft (103) passes through the connecting hole (60401), and the piezoelectric film (605) is adhered to the cantilever beam (604); the friction power generation part (603) is structurally divided into three structures, namely a copper electrode layer (60301), a fluorinated ethylene propylene friction layer (60302) and a copper friction layer (60303), the copper electrode layer (60301) and the fluorinated ethylene propylene friction layer (60302) with the same size are bonded together, then one end of the copper electrode layer (60303) is bonded to form a friction power generation unit, the copper friction layers (60303) of the two friction power generation units are bonded together to form a Z-shaped friction power generation part (603), one copper electrode layer (60301) in the friction power generation part (603) is bonded to a slope (104) on the shell (1), and one end of the other copper electrode layer (60301) is bonded to a cantilever beam (604), so that the friction power generation part (603) is fixed; the electromagnetic induction coil (601) is adhered to the upper surface, the lower surface and the side surface of the energy capture chamber (102) in the shell (1), the magnet (602) is adhered to a magnet seat (60402) on the cantilever beam (604), and the acquisition circuit module (4) and the GPS positioning communication module (5) are respectively fixed on the side wall of the circuit chamber (105); the fixing shaft (3) is inserted into the shell fixing hole (101) and the collar fixing hole (201), so that the whole device is fixed.
2. A hybrid self-powered animal tracker based on vibrational energy harvesting technology as claimed in claim 1, wherein: the hybrid self-powered animal tracker is fixed on the neck of an animal, and when the animal moves, the hybrid self-powered animal tracker can excite the whole device, so that a cantilever beam (604) in the hybrid energy harvester (6) can do reciprocating swing motion under the inertia effect of magnets (602) at the upper end and the lower end, and three effects can be generated: firstly, a piezoelectric film (605) adhered on the cantilever beam (604) can generate corresponding deformation due to the back-and-forth oscillation of the cantilever beam (604), so that electric energy is generated due to the piezoelectric effect of the material; secondly, a Z-shaped friction power generation part (603) with two ends respectively adhered to the shell (1) and the cantilever beam (604) is composed of two friction power generation units, and each friction power generation unit is composed of a copper electrode layer (60301), a fluorinated ethylene propylene friction layer (60302) and a copper friction layer (60303); therefore, when the cantilever beam (604) swings to one side, the copper friction layer (60303) and the fluorinated ethylene propylene friction layer (60302) in the two friction power generation units on the side are in local friction contact, because the electron affinities of the two materials are different, electrons are transferred from the copper friction layer (60303) to the fluorinated ethylene propylene friction layer (60302) with stronger electron affinity, so that opposite charges can be generated on the two films, the copper electrode layer (60301) and the copper friction layer (60303) are connected by an external circuit to serve as two electrodes, when the cantilever beam swings to the other side, the copper friction layer (60303) is far away from the fluorinated ethylene propylene friction layer (60302), so that a potential difference is generated between the copper electrode layer (60301) and the copper friction layer (60303), and therefore, in the process of swinging the cantilever beam (604), the two films of the copper friction layer (60303) and the fluorinated ethylene propylene friction layer (60302) can be in periodic contact and separation, so that the electrons can be transferred back and forth between the two electrodes through the external circuit to generate current; thirdly, because the magnet (602) does reciprocating swing motion, the magnetic field generated by the magnet (602) moves along with the magnet, the electromagnetic induction coil (601) positioned around the magnet (602) cuts the magnetic induction line, and current is generated in the electromagnetic induction coil (601); the collected current is transmitted to an acquisition circuit module (4), the acquisition circuit module (4) uses a capacitor as an intermediate storage to store enough energy required for completing a task once, then a cold start circuit monitors a capacitor, power is supplied to a GPS positioning communication module (5) after a definite threshold value is reached, the position of the animal is recorded, and then the recorded data is remotely transmitted to a server through wireless communication and the position condition of the animal is checked through developed application software on equipment.
3. A hybrid self-powered animal tracker based on vibrational energy harvesting technology in accordance with claim 1, wherein: the number of the hybrid energy harvesters (6) is adjusted according to the actual situation.
4. A hybrid self-powered animal tracker based on vibrational energy harvesting technology in accordance with claim 1, wherein: the material of the magnet (602) in the hybrid energy harvester (6) is neodymium iron boron.
5. A hybrid self-powered animal tracker based on vibrational energy harvesting technology as claimed in claim 1, wherein: the number of the neck strap fixing holes (201) is adjusted according to the actual situation.
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