CN103229756B - Insect suction gun and use method thereof - Google Patents

Abstract

The invention relates to an insect-sucking gun and its use method, which is characterized in that: it comprises a gun body, a suction wind device is provided at the rear of the gun body, an insect storage bottle and a sucking tube are arranged on the gun body, and the sucking tube and the sucking tube are The inner cavity of the insect storage bottle is connected, and the air outlet of the suction air device is connected with the inner cavity of the insect storage bottle, and a valve for blocking the insect body from being sucked to the air suction device is provided between the air outlet and the inner cavity of the insect storage bottle. Mesh septa. The fluke gun of the present invention not only has simple structure and reasonable design, but also has high fluke efficiency and low insect damage rate.

Description

Insect guns and how to use them

Technical field:

The invention relates to a device for catching small arthropods such as insects, mites and spiders, in particular to an insect-sucking gun and a using method thereof.

Background technique:

When studying small arthropods such as insects, mites, and spiders, it is necessary to collect a large number of specimens for the study of population dynamics, life table, drug resistance, ecology and biochemistry, etc. Due to the small size of small arthropods, it is difficult to sample a large number of them. Common insect collection methods are net sweeping, bagging, sucking with a mouth straw, and potting method, etc., but these methods have low work efficiency. When a large number of samples are required, a lot of manpower is often required, which is not only time-consuming, but also has a low survival rate. High, the specimen is easily damaged, which is not conducive to preserving its integrity, and affects the timeliness and accuracy of the test.

Invention content:

The object of the present invention is to provide an insect-sucking gun, which not only has a simple structure and a reasonable design, but also helps to improve the survival rate of the insects caught.

The insect-sucking gun of the present invention is characterized in that: it comprises a gun body, the rear part of the gun body is provided with a suction wind device, the gun body is provided with an insect storage bottle and an insect-sucking pipe, and the insect-sucking pipe communicates with the inner cavity of the insect-storage bottle, The air outlet of the air suction device communicates with the inner chamber of the insect storage bottle, and between the air outlet and the inner chamber of the insect storage bottle, there is a mesh spacer for blocking the worm body from being sucked to the air suction device. The inner end of the fluke tube extends into the inner cavity of the insect storage bottle.

Further, the gun body is provided with a negative pressure chamber, the rear end of the negative pressure chamber communicates with the suction channel of the suction wind device, the negative pressure chamber communicates with the insect storage bottle, and the suction port is located between the negative pressure chamber and the storage tank. At the junction of the worm bottle, the mesh septum is located between the negative pressure chamber and the worm bottle.

Further, the above air suction device includes a DC high-speed motor, an impeller driven by the motor, and a battery pack for powering the motor.

Further, the part where the above-mentioned worm sucking tube extends into the inner cavity of the worm storage bottle is provided with an airflow hedging device.

Further, the above-mentioned airflow countering device is an inverted T-shaped pipe that can be connected with the fluke pipe.

Further, the mouth of the above-mentioned fluke tube is in the shape of a bell mouth.

Further, a gun handle is connected to the gun body, the battery pack is arranged in the gun handle, and a switch for starting the motor rotation is provided on the gun handle.

Further, when the input voltage of the above motor is 6V-12V, its speed is 12000rpm---30000rpm.

Further, the above-mentioned battery pack is a lead-acid battery, a nickel-metal hydride battery, a nickel-cadmium battery, a lithium battery or a high-capacity capacitor.

Another object of the present invention is to provide a method for using an insect-sucking gun, which is easy to operate and helps to improve the survival rate of insect traps.

The present invention uses a method for catching worms with an insect-sucking gun. The fluke tube communicates with the inner cavity of the insect storage bottle, the air outlet of the suction wind device communicates with the inner cavity of the insect storage bottle, and there is a device between the air outlet and the inner cavity of the insect storage bottle for blocking the insect body from being sucked to the suction. The mesh spacer of the suction device, when in use, start the suction device, the suction device starts to draw air, the nozzle of the suction tube has suction, the user holds the gun body, and aligns the nozzle of the suction tube with the insect body , the insect body will be sucked into the cavity of the insect storage bottle, and the insect body will be blocked by the mesh septum, so that the insect body will not be sucked into the suction wind device.

The fluke gun of the present invention not only has simple structure and reasonable design, but also has high fluke efficiency and low insect damage rate.

Description of drawings:

Fig. 1 is a schematic diagram of the combined state structure of a kind of fluke gun;

Fig. 2 is a schematic diagram of the disassembled state structure of a kind of fluke gun;

Fig. 3 is a partial sectional view of the fluke gun of the present invention;

Fig. 4 is the right view of the mouth of the fluke pipe in Fig. 3;

Figure 5 is a comparison chart of trematode damage.

Detailed ways:

Insect sucking gun of the present invention comprises gun body 1, described gun body 1 rear portion is provided with suction wind device 2, is provided with insect storage bottle 3 and fluke tube 4 on the gun body, described fluke tube 4 is connected with insect storage bottle 3 The cavity is connected, and the air outlet of the air suction device communicates with the inner cavity of the insect storage bottle 3, and a mesh partition for blocking the insect body from being sucked to the air suction device is provided between the air outlet and the inner cavity of the insect storage bottle. Pad 5, the inner end of the sucker tube stretches into the inner cavity of the insect storage bottle.

Further, in order to design reasonably, the above-mentioned gun body is provided with a negative pressure chamber 6, and the rear end of the negative pressure chamber communicates with the exhaust passage of the suction wind device 2, and the negative pressure chamber 6 communicates with the insect storage bottle 3, and the air outlet Promptly be positioned at the junction of negative pressure chamber and insect storage bottle, mesh spacer 5 promptly is located at the position between negative pressure chamber 6 and insect storage bottle 3, measured by experiment, when not setting negative pressure chamber 6 (being that The suction wind device 2 is directly communicated with the insect storage bottle 3), even if the motor speed is adjusted at a preferred 18500rpm-20000rpm, there are still many damaged insect bodies, and the damage rate is about 30%-35%. Therefore, the present invention Negative pressure chamber is set between suction wind device 2 and insect storage bottle 3 and plays a significant role in reducing the damage rate of catching insect body.

With reference to accompanying drawings 1 and 2, insect storage bottle refers to the structure that can accommodate and store the captured insects, which can be cylindrical, conical, box-shaped, bag-shaped, etc. body connection.

The mouth of the fluke tube is bell-shaped, and the horn-shaped body 7 is connected with the fluke tube body 4 as a screw mouth or a bayonet; the fluke tube body 4 is connected with the gun body 1 as a screw mouth or a bayonet, The rear end 1/4-1/3 of the tube body is connected (inserted) into the gun body, and there is a sealing ring at the connection between the fluke tube body and the gun body to prevent air leakage. The fluke tube exposed outside the gun body is a universal tube. By designing it as a universal tube, the position of the nozzle can be arbitrarily swung, which greatly facilitates the use in actual operation. Perhaps the sucker tube exposed outside the gun is a straw (such as a straw used when drinking a drink, which can be swiveled at any angle). In addition, the ventilation area of the trumpet-shaped nozzle is 1.5-2.8 times the ventilation cross-sectional area of the fluke pipe body (as shown in Figure 4), when the ventilation area of the bell-shaped nozzle is 1.5 times the ventilation cross-sectional area of the fluke pipe body -2.8 times, on the one hand, it can ensure that the bug gun has sufficient suction, on the other hand, it is also beneficial to ensure the balance of suction, and reduce the damage to the insect body caused by unbalanced suction.

Gun body 1 rear portion is provided with impeller rear cover 13, and impeller rear cover is the impeller rotating air outlet, links to each other with impeller by screw thread or bayonet.

Further, the above air suction device 2 includes a DC high-speed motor 201, an impeller 202 driven by the motor, and a battery pack 203 for powering the motor.

Further, in order to reduce the damage of the worm body, the part where the above-mentioned fluke tube extends into the inner cavity of the insect storage bottle is provided with an airflow counter device 8, and the above-mentioned airflow counter device 8 is an inverted T-shaped pipe 9 that can be connected with the fluke tube. The inverted T-shaped pipe 9 connected by the sucking tube makes the intake air shunt to the side of the insect storage bottle, so that the gas entering the inner chamber of the insect storage bottle will not go straight to the bottom of the bottle, avoiding the air flow from stirring the insect body, and causing the insect body to be separated from the insect body. The damage that bottle wall collision causes, in fact T-shaped pipe 9 is a three-way pipe, and its one port is connected with fluke pipe, and other two ports pass into the insect storage bottle inner cavity. Through experiments, when the lower end of the fluke tube is not connected to the inverted T-shaped pipe 9, the fluke tube goes straight to the inner cavity of the bottle, and the airflow will seriously stir the worm body in the bottle, causing the worm body to collide with the bottle wall. Dating causes the damage rate of worm body at 50%-60%, therefore, the present invention plays a very important role in reducing the damage rate of catching worm body by connecting the inverted T-shaped pipe 9 at the lower end of the fluke tube.

Further, in order to benefit flukes and increase the entrance of flukes, the pipe mouth of the above-mentioned flukes is bell-shaped. The cushioning effect of body impact reduces the damage of insect body.

Further, the gun body 1 is connected with a gun handle 10, the battery pack is arranged in the gun handle, and the gun handle is provided with a switch 12 for starting the motor to rotate. A battery pack, a battery pack charging device, a switch and related circuits can be installed in the handle; the battery pack is a lead-acid battery, a nickel-metal hydride battery, a nickel-cadmium battery, a lithium battery, a high-capacity capacitor or other batteries with storage characteristics. Energy storage battery. The charging device is composed of a transformer, a charger and the like.

Further, in order to have a better effect of sucking insects, the impeller adopts suction methods such as turbine centrifugal to generate negative pressure in the negative pressure chamber. When the input voltage of the above motor is 6V-12V, its speed is 12000rpm --- 30000rpm, because the insect sucking gun is held by one hand Therefore, the weight and volume should not be large, which requires low voltage and low power to drive the motor to rotate at high speed. Through multiple experiments, the effect of sucking insects is good between the motor speed of 12000rpm --- 30000rpm, and it is not easy Cause insect body damage; especially when the motor speed is 18500rpm-20000rpm, the insect body damage is zero.

The present invention uses the insect sucking gun to catch the insect body method, the insect sucking gun includes a gun body, the rear part of the gun body is provided with a suction wind device, and the gun body is provided with an insect storage bottle and a sucking insect tube, and the insect sucking tube and the sucking insect tube The inner cavity of the insect storage bottle is connected, and the air outlet of the suction air device is connected with the inner cavity of the insect storage bottle, and a valve for blocking the insect body from being sucked to the air suction device is provided between the air outlet and the inner cavity of the insect storage bottle. When using the mesh spacer, start the air suction device, and the air suction device starts to draw air. The mouth of the fluke tube has suction force. The user holds the gun body and aligns the mouth of the fluke tube with the worm body, and the worm body is ready. It will be sucked into the inner cavity of the insect storage bottle, and the insect body is blocked by the mesh septum, so that it will not be sucked into the suction wind device.

When using the present invention to catch insects, as long as the switch is pressed, according to the principle of dynamics, through the power supply, the motor acts on the impeller to generate suction gas, and the insects are sucked into the sucker tube through the mouth of the sucker tube, and enter the insect storage bottle after passing through the T-shaped tube The airflow continues to pass through the mesh septum and then enters the negative pressure chamber, and finally is discharged to the air after passing through the suction air device. The air is buffered by setting the negative pressure chamber, which is beneficial to reduce the damage of the insect body.

Features of the present invention: 1. The fluke tube and the mouth of the fluke tube are easy to disassemble and easy to clean; 2. The insect storage bottle and the negative pressure chamber adopt a screw or bayonet that is easy to disassemble and connect, which is convenient for cleaning and replacing the insect storage bottle; 3. The cost of the impeller centrifugal suction method is lower than the cost of the compression suction device; 4. The open-type fluke mouth is convenient for aiming at the target, and at the same time reduces the suction resistance, and the rear end of the suction pipe is 1/4-1/3 inserted ( connected) into the negative pressure chamber to prevent the target from escaping.

Example

The purpose of the experiment is to evaluate the advantages of the world's important pest-Plutella xylostella xylostella collection for sampling and surveying the integrity of the insect body. Adopt the fluke gun of the present invention (motor speed 18500rpm-20000rpm) and the traditional collection method to carry out the experiment, do three groups of experiments, collect 50, 80 and 100 diamondback moths respectively, and observe the results of its body integrity after 4 hours, such as Figure 5.

The experimental results showed that the Plutella xylostella collected by the fluke gun did not have any damage and all survived; the death rate of the Plutella xylostella caught by the sweeping net method was the highest; the death rate of the Plutella xylostella collected by the bagging method and the potting method was similar; Although the mortality rate of the collected diamondback moth is not high, it takes the longest time and the frequency of changing the bottle tube is the fastest. Therefore, the fluke gun of the present invention is not only convenient and fast but also has a very high survival rate of insects, which provides a guarantee for collecting relatively rare insects.

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims (1)

1. An insect-sucking gun, characterized in that: comprise a gun body, the rear portion of the gun body is provided with a suction wind device, the gun body is provided with an insect storage bottle and an insect-sucking pipe, and the insect-sucking pipe and the inner chamber of the insect-storing bottle Connected, the air outlet of the air suction device communicates with the inner cavity of the insect storage bottle, and a mesh spacer for blocking insect bodies from being sucked to the air suction device is provided between the air outlet and the inner cavity of the insect storage bottle. The inner end of the fluke tube extends into the inner cavity of the insect storage bottle; the gun body is provided with a negative pressure chamber, and the rear end of the negative pressure chamber communicates with the exhaust passage of the suction wind device, and the negative pressure chamber is connected to the insect storage bottle. The bottle is connected, the air outlet is located at the connection between the negative pressure chamber and the insect storage bottle, and the mesh spacer is located between the negative pressure chamber and the insect storage bottle; the part where the sucker tube extends into the inner cavity of the insect storage bottle An airflow hedging device is provided, and the airflow hedging device is an inverted T-shaped pipe that can be connected with the fluke pipe, and the suction wind device includes a DC high-speed motor, an impeller driven by the motor, and a battery pack that supplies power to the motor; the DC high-speed The speed of the motor is 18500rpm-20000rpm; the mouth of the fluke tube is bell-shaped; the gun body is connected with a gun handle, the battery pack is arranged in the gun handle, and the gun handle is provided with a switch for starting the motor to rotate ; The battery pack is a lead-acid battery, a nickel-metal hydride battery, a nickel-cadmium battery, a lithium battery or a high-capacity capacitor; when in use, start the suction wind device, and the suction wind device starts to draw air, and the nozzle of the fluke tube has suction, and the use The operator holds the gun body and aligns the nozzle of the suction tube with the insect body, and the insect body will be sucked into the inner cavity of the insect storage bottle, and the insect body will be blocked by the mesh septum so that it will not be sucked into the air suction device. The ventilation area of the trumpet-shaped nozzle is 1.5-2.8 times the ventilation cross-sectional area of the fluke tube body.