CN105145519A - LED single-wavelength insect-luring lamp tube - Google Patents

Abstract

The invention discloses an LED single-wavelength insect-attracting lamp tube, which includes a lamp board and lamp holders arranged at both ends of the lamp board; The glass tube used to protect the board and the control circuit; the lamp board is equipped with a number of LED beads that are electrically connected to the control circuit and used to emit light with a wavelength of 405nm. The light emitted by LED lamp beads is controlled at a wavelength of 405nm. When a specific wavelength of 405nm is used to lure pests, the efficiency of luring different types of pests is significantly higher than that of other single-band and mixed-band larvae. When attracting insects, it can reduce the attraction of beneficial insects.

Description

LED single wavelength insect trap lamp

technical field

The invention relates to the technical field of insecticidal lamps, in particular to an LED single-wavelength insect-attracting lamp tube.

Background technique

In order to reduce the use of pesticides, insecticidal lamps are widely used in farmland, rural areas and orchards to trap and kill pests. LED insecticidal lamps are widely used because of their low cost and good insecticidal effect.

Since a large number of different types of pests will appear in different seasons and at different times, in order to effectively lure many pests, the existing LED insecticidal lamps mainly use a wide range of wavelengths to lure pests. Due to the relatively large wavelength dispersion , the intensity of light corresponding to each wavelength is relatively weak, resulting in poor trapping and killing effect on pests in each season, and at the same time attracting most beneficial insects.

Contents of the invention

Aiming at the above-mentioned shortcomings in the prior art, the present invention provides an LED single-wavelength insect-attracting lamp tube capable of attracting most pests by emitting light with a wavelength of 405nm.

In order to achieve the above-mentioned purpose of the invention, the technical scheme adopted in the present invention is:

An LED single-wavelength insect-attracting lamp tube is provided, which includes a lamp board and lamp holders arranged at both ends of the lamp board; a control circuit partially located in the lamp holder is installed at the end of the lamp board, and a control circuit for aligning the lamp board is installed between the two lamp holders. A glass tube for protection with the control circuit; a number of LED lamp beads that are electrically connected to the control circuit and used to emit light with a wavelength of 405nm are installed on the lamp board. For the number of LED lamp beads, choose to install 10-100 lamp beads according to actual needs.

The LED lamp bead includes an LED chip, and the LED chip includes a P-type semiconductor layer, a chip substrate, and an N-type semiconductor layer arranged on the chip substrate; between the N-type semiconductor layer and the P-type semiconductor layer A light-emitting layer for generating a wavelength of 365nm≤λ≤415nm is provided; the outside of the LED chip is wrapped with a filter structure for reflecting light with a wavelength less than and greater than 405nm and transmitting light with a wavelength of 405nm.

The luminescent layer is AlIn ₃ GaN ₅ coating with a thickness of 0.1 mm.

The filter structure is a dichroic mirror.

The glass tube is filled with neon gas that increases the transmittance of light with a wavelength of 405nm.

The lamp board is composed of two circuit boards, and each circuit board is provided with a plurality of LED lamp beads electrically connected to the control circuit.

Neon gas is filled in the sealed space formed between the dichroic mirror, the package leads and the LED chip.

The packaging leads on both sides of the LED chip are made of bonding silver wires.

The LED lamp bead also includes a lamp bead main body for installing LED chips; the lamp bead main body includes a heat dissipation structure and a metal substrate arranged on the heat dissipation structure; foil; the LED chip is arranged on the metal substrate through the welding layer; the glass tube is a transparent dehydroxylated quartz glass tube, and the material of the quartz glass tube is silicon dioxide with a purity greater than 99.998%.

Further, the present invention relates to a method for trapping and killing insects with an insect-attracting lamp tube, characterized in that: the above-mentioned LED single-band insect-attracting lamp tube emits a wavelength of 405 nm to lure the following pests: tea geometrid, tea poisonous moth, tea leaf roller, Tiger, mole cricket, cricket, cicada, beetle, gill beetle, flower beetle, knocking beetle, burial beetle, earwig, cricket, fly or hemp fly.

The beneficial effects of the present invention are: the emitted light is controlled at a wavelength of 405nm by the LED lamp bead, and when a specific wavelength of 405nm is used to lure pests, the efficiency of luring different types of pests is obviously higher than that of other single-band and mixed-band At the same time, when this band is used to lure insects, it can reduce the attraction of beneficial insects.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of the LED single-wavelength insect trap lamp tube.

Fig. 2 is a schematic diagram of the internal structure of the LED lamp bead.

Fig. 3 is a perspective view of an LED lamp bead.

FIG. 4 is a schematic structural diagram of an LED chip.

Among them, 1. LED lamp bead; 11. radiator; 12. thermal interface material layer; 13. metal substrate; 14. insulating layer; 15. copper foil; 16. packaging lead; 17. LED chip; 171. chip substrate; 172. N-type semiconductor layer; 173. Light-emitting layer; 174. P-type semiconductor layer; 18. Filter structure; 19. Welding layer; 2. Light board; 3. Glass tube; 4. Control circuit; 5. Lamp holder.

Detailed ways

The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

Referring to FIG. 1, FIG. 1 shows a schematic diagram of the structure inside the LED single-wavelength insect trap lamp tube; as shown in FIG. The end of the lamp board 2 is installed with a control circuit 4 partially located in the lamp cap 5 , and a glass tube 3 for protecting the lamp board 2 and the control circuit 4 is installed between the two lamp caps 5 .

During production, the glass tube is preferably a transparent dehydroxylated quartz glass tube, and the material of the quartz glass tube is silicon dioxide with a purity greater than 99.998%. A plurality of LED lamp beads electrically connected to the control circuit 4 and used to emit light with a wavelength of 405nm are installed on the lamp board 2 .

The LED single-wavelength insect-attracting lamp tube of this scheme has a significantly higher effect on luring pests through the specific wavelength produced by other single-band and mixed-band larvae. Beneficial insects play a certain protective role.

Referring to Fig. 2 and Fig. 3, Fig. 2 shows a schematic diagram of the internal structure of the LED lamp bead 1; Fig. 3 shows a perspective view of the LED lamp bead 1; referring to Fig. 2 and Fig. 3, the LED lamp bead 1 includes an LED chip 17. Package leads 16 are provided on both sides of the LED chip 17.

In one embodiment of the present invention, the packaging leads 16 on both sides of the LED chip 17 are made of bonding silver wires. Bonding silver wire, also known as "new silver-based alloy bonding wire", can completely replace expensive bonding gold wire, which is superior to copper wire, and has the advantages of good electrical conductivity, strong oxidation resistance, easy bonding and low price. .

With reference to Fig. 4, Fig. 4 has shown the schematic structural representation of LED chip 17; As shown in Fig. Between the P-type semiconductor layer 172 and the P-type semiconductor layer 174, there is a light-emitting layer 173 for emitting a wavelength of 365nm≤λ≤405nm; the set light-emitting layer 173 can control the wavelength of the emitted light within a small range, ensuring that the LED The intensity of light emitted by lamp bead 1.

Wherein the luminescent layer 173 is designed, it is preferable to adopt the AlIn ₃ GaN ₅ plating layer with a thickness of 0.1 mm; wherein, the thickness of the N-type semiconductor layer 172 and the P-type semiconductor layer 174 are equal, and the thickness of the P-type semiconductor layer 174 is at least AlIn ₃ twice the thickness of the GaN ₅ coating. The setting of the thickness among the N-type semiconductor layer 172 , the P-type semiconductor layer 174 and the AlIn ₃ GaN ₅ coating can accurately control the wavelength between 365nm and 415nm.

Referring to FIG. 2 again, the outside of the LED chip 17 is wrapped with a filter structure 18 for reflecting light with a wavelength of less than and greater than 405nm and transmitting light with a wavelength of 405nm. Wherein, the filter structure 18 may adopt a dichroic mirror.

In one embodiment of the present invention, in order to ensure that the light board 2 can emit light that attracts pests in all directions, the light board 2 can be composed of two circuit boards, and each circuit board is provided with a number of circuits connected to the control circuit 4. Connected LED lamp beads. After the lamp board 2 and the LED lamp beads are arranged in this way, the light generated by the LED lamp can be irradiated farther and wider, thereby effectively improving the insect-attracting effect of the lamp tube.

Wherein, the control circuit 4 includes capacitors, resistors, power ICs, inductors and Schottky diodes.

In another embodiment of the present invention, neon gas is filled in the sealed space formed between the dichroic mirror, the packaging lead 16 and the LED chip 17 . The glass tube 3 is filled with neon gas that increases the light transmittance of light with a wavelength of 405nm. The neon gas filled in the LED lamp bead and the glass tube 3 can greatly increase the light transmittance, further ensuring the irradiation intensity of the light emitted by the LED lamp bead 1 .

In an embodiment of the present invention, the LED lamp bead may further include a lamp bead body for installing the LED chip 17 . The main body of the lamp bead can specifically include the following structures:

The heat dissipation structure and the metal substrate 13 arranged on the heat dissipation structure; the packaging lead 16 is arranged on the copper foil 15 on the metal substrate 13 through the welding layer 19 ; the LED chip 17 is arranged on the metal substrate 13 through the welding layer 19 . The main body of the lamp bead adopts the above-mentioned structure, which has the advantages of simple structure, very convenient production and processing, and the like.

Since the LED chip 17 will generate a large amount of heat during operation, in order to ensure the service life of the LED chip 17, the heat dissipation structure preferably includes a heat sink 11 and a thermal interface material layer arranged between the metal substrate 13 and the heat sink 11 during design. 12.

Referring again to FIG. 1 , an insulating layer 14 is further provided on the metal substrate 13 , and the copper foil 15 and the solder layer 19 pass through the provided insulating layer 14 to contact the metal substrate 13 .

The effect of the insect trap lamp on different crops in attracting pests will be described below in conjunction with specific examples:

Select insecticidal lamps with a wavelength of 405nm (experimental group) and ordinary insecticidal lamps (the wavelength range of ordinary insecticidal lamps is between 365nm and 580nm) (control group 1) and insecticidal lamps with a wavelength of 365nm, all of which have a power of 15W. (control group 2), the insecticidal lamp with a wavelength of 435nm (control group 3), the insecticidal lamp with a wavelength of 460nm (control group 4) and the insecticidal lamp with a wavelength of 365nm to 460nm (control group 5) entered the pests. In the lure control experiment, the trapping areas of the control group and the experimental group were equal.

Example 1

From August 5th to September 5th, the insect-attracting test was carried out in the tea garden during the adult moth blooming period. The results of the insecticidal lamps in the experimental group and the control group are shown in Table 1:

Table 1

Among them, the experimental group can realize the detection of tea geometrid, tea poisonous moth, tea leaf tortrix, small cutworm, mole cricket, cricket, red stinkbug, moth cicada, negative stinkbug, beetle beetle, gill beetle, flower beetle, burial beetle, carapace, Attraction by the tortoise beetle, earwigs, mosquitoes and katydids;

Control group 1 can realize tea geometrid, tea poisonous moth, tea leaf tortrix, small cutworm, mole cricket, cricket, red stinkbug, stinkbug, cicada, beetle, gill beetle, flower beetle, knocking beetle, carapace, pseudocarp, Attraction to burial beetles, water turtle beetles, dragon gnats, ladybugs, earwigs, crickets, gnats and liner flies;

Control group 2 can realize the attraction of tea geometrid, tea poisonous moth, tea leaf tortrix, red stinkbug, cicada, beetle, gill beetle, flower beetle, carapace, burial beetle, ladybug, earwig and mosquito;

Control group 3 can attract cicadas, beetles and dung beetles; control group 4 can attract stinkbugs, beetles and beetles; Attraction of beetles, leaf beetles, caraway beetles, burial beetles and mosquitoes.

Among them, ladybugs, carapaces, carapaces and red stinkbugs are beneficial insects; water turtle beetles, dragon lice, stinkbugs and katydids are neutral insects; the rest are pests.

It can be seen from Table 1 that the lure effect of the light with a wavelength of 405nm emitted by this scheme on pests is significantly higher than that of other single wavelengths and certain wave bands, and the types of insect lures are higher than those of other single wavelengths and certain wave bands. The ratio of lured beneficial insects was significantly lower than that of the control group.

Example 2

From July 6th to August 6th, the insect-attracting test was carried out in the kiwifruit orchard at the adult stage. The insecticidal lamps of the experimental group and the control group attracted insects in the kiwifruit orchard in Table 2:

Table 2

Among them, the experimental group was able to realize the treatment of beetles, beetles, beetles, beetles, noctuids, moths, planthoppers, stinkbugs, leafhoppers, mole crickets, green lygus, nymphs, lacewings and cloth beetles. A's temptation;

Control group 1 can realize the protection against beetles, beetles, beetles, beetles, noctuids, lamp moths, planthoppers, stinkbugs, leafhoppers, mole crickets, green lygus, nymphs, lacewings, and aphids The lure of bees, ladybugs, and cloth beetles;

Control group 2 can realize the lure of beetles, beetles, beetles, noctuids, lamp moths, planthoppers, green ligurs, stinkbugs, lacewings and cloth beetles;

The control group 3 can realize the lure of the lamp moth, the noctuid, the green mirid bug, the nymph, the lacewing and the cloth beetle; ; The control group 5 can realize beetles, beetles, beetles, noctuid moths, lamp moths, planthoppers, stinkbugs, green leafhoppers, green Lygus stinkbugs, lacewings, chrysalis beetles, ladybugs and cloth beetles. temptation;

Among them, ladybugs, lacewings, chrysalis bees, carapaces and red stinkbugs are beneficial insects; water turtle beetles, dragon lice and stinkbugs are neutral insects; the rest are pests.

It can be clearly seen from Table 2 that the lure effect of the light with a wavelength of 405nm emitted by this scheme on kiwi fruit orchard pests is significantly higher than that of other single-wavelength and certain wavebands, and the types of insects are higher than other single-wavelength and certain wavebands. Attraction effect, the ratio of attracting beneficial insects was significantly lower than that of the control group.

Example 3

From May 2nd to June 2nd, the insect-attracting experiment was carried out in the rice field during the adult moth blooming period. The insecticidal lamps in the experimental group and the control group attracted insects in the rice field as shown in Table 3:

table 3

Among them, the experimental group was able to attract pests such as rice stem borer, rice borer, rice stem borer, brown planthopper, rice leaf roller, corn borer, mole cricket, needleworm, and cutworm. At the same time, it also has a certain luring effect on natural enemies such as lacewings, Trichogrammas, carapaces and neutral insects such as water turtles and dragon lice.

Control group 1 was able to lure pests such as rice stem borer, rice borer, rice stem borer, brown planthopper, rice leaf roller, corn borer, mole cricket, needleworm, and cutworm. At the same time, it also has a certain attracting effect on natural enemies such as lacewings, dragonflies, Trichogrammas, ladybugs, carapaces, paederus, parasitic flies and neutral insects such as water turtles and dragon lice.

Control group 2 was able to lure pests such as rice stem borer, rice borer, rice stem borer, brown planthopper, corn borer, and cutworm. At the same time, it also has a certain luring effect on natural enemies such as lacewings, Trichogrammas, ladybugs, carapaces, and parasitic flies, as well as neutral insects such as water turtles and dragon lice.

The control group 3 was able to attract pests such as the rice borer, the rice borer, the rice borer, the rice leaf roller, the corn borer, and the cutworm. At the same time, it also has a certain luring effect on natural enemies such as lacewings, Trichogrammas, ladybugs, carapaces, paederus, parasitic flies, and neutral insects such as water turtles and dragon lice; The lure of pests such as borer, three stem borer, brown planthopper, corn borer and so on. At the same time, it also has a certain luring effect on natural enemies such as lacewings, dragonflies, ladybugs, carapaces, paederus, parasitic flies and neutral insects such as water turtles and dragon lice.

It can be seen from Table 3 that the lure effect of the light with a wavelength of 405nm emitted by this scheme on rice pests is significantly higher than that of other single wavelengths and certain wave bands, and the types of insects are higher than other single wavelengths and certain wave bands. , the ratio of attracting beneficial insects was significantly lower than that of the control group.

To sum up, the insect-attracting lamp tube of this scheme can lure pests for a variety of economic crops and fruit trees in different time periods, and its insect-attracting effect is significantly higher than that of other single-band and mixed-band. The ratio of beneficial insects attracted by the wavelength 405nm emitted by it is significantly lower than that of the control group; at the same time, multiple groups of experiments using the insect-attracting lamp tube of this scheme show that it completely overcomes the technical defect that a single wavelength cannot be used to attract pests.

Claims (10)

1. LED single-wavelength insect-attracting lamp tube, including a lamp board and lamp holders arranged at both ends of the lamp board; it is characterized in that: the end of the lamp board is equipped with a control circuit partly located in the lamp holder, and the two A glass tube for protecting the lamp board and the control circuit is installed between the lamp holders; a number of LED lamp beads electrically connected to the control circuit and used to emit light with a wavelength of 405nm are installed on the lamp board. 2. The LED single-wavelength insect-attracting lamp tube according to claim 1, characterized in that: the LED lamp bead includes an LED chip, and the LED chip includes a P-type semiconductor layer, a chip substrate, and is arranged on the chip substrate. N-type semiconductor layer; between the N-type semiconductor layer and the P-type semiconductor layer, a light-emitting layer for generating a wavelength of 365nm≤λ≤415nm is provided; the outside of the LED chip is wrapped with a layer for reflecting wavelengths less than and greater than 405nm Light, a filter structure that transmits light with a wavelength of 405nm. 3. The LED single-wavelength insect-attracting lamp tube according to claim 2, characterized in that: the thickness of the light-emitting layer is AlIn ₃ GaN ₅ coating of 0.1 mm. 4. The LED single-wavelength insect-attracting lamp tube according to claim 2 or 3, characterized in that: the light filtering structure is a dichroic mirror. 5. The LED single-wavelength insect-attracting lamp tube according to any one of claims 1-3, characterized in that: said glass tube is filled with neon gas that increases the transmittance of light with a wavelength of 405nm. 6. The LED single-wavelength insect-attracting lamp tube according to any one of claims 1-3, characterized in that: the lamp board is composed of two circuit boards, and each circuit board is provided with several Electrically connected LED lamp beads. 7 . The LED single-wavelength insect-attracting lamp tube according to claim 5 , characterized in that neon gas is filled in the sealed space formed between the dichroic mirror, the package leads and the LED chip. 8. The LED single-wavelength insect-attracting lamp tube according to claim 2, 3 or 7, characterized in that: the packaging leads on both sides of the LED chip are made of bonding silver wire. 9. The LED single-wavelength insect-attracting lamp tube according to claim 4, characterized in that: the LED lamp bead also includes a lamp bead body for installing LED chips; the lamp bead body includes a heat dissipation structure and a The metal substrate on the structure; the package lead is arranged on the copper foil on the metal substrate through the welding layer; the LED chip is arranged on the metal substrate through the welding layer; the glass tube is a transparent dehydroxylated quartz glass tube, And the material of the quartz glass tube is silicon dioxide with a purity greater than 99.998%. 10. A method for trapping and killing insects by using the LED single-band insect-attracting lamp tube described in any one of claims 1 to 9, characterized in that: using the LED single-band insect-attracting lamp tube to emit a wavelength of 405nm to lure the following pests: Tea geometrids, tea poisonous moths, tea leaf rollers, cutworms, mole crickets, crickets, cicadas, beetles, beetles, beetles, beetles, burial beetles, earwigs, crickets, flies or flies.