Dust generating device of dust equipment

Abstract

The utility model provides a dust generating device of dust equipment, and relates to the technical field of dust environment test equipment. The dust generating device of the dust equipment comprises a powder tank and a speed regulation air pump, a connecting pipe is installed at the output end of the speed regulation air pump, the end, away from the speed regulation air pump, of the connecting pipe extends into the powder tank and is provided with a nozzle, a high-frequency vibrator is installed at the bottom of the powder tank, and a dust outlet pipe is further installed at the bottom of the powder tank. According to the dust generating device of the dust equipment, the high-frequency vibrator is arranged at the bottom of the powder tank, dust in the powder tank is vibrated and tamped evenly through the high-frequency vibrator, meanwhile, the speed regulating air pump is arranged on the outer side of the powder tank, air flow with specific pressure is output through the speed regulating air pump, and the dust generating efficiency is improved through the combined action of the high-frequency vibrator and the speed regulating air pump. The dust tank can be uniformly filled with dust with a certain concentration, discharged dust is output through the dust outlet pipe, dust mixed gas with different concentrations can be output by adjusting the rotating speed of the speed adjusting air pump, and actual application and test operation are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dust environment test equipment technical field, concretely is a dust equipment dust emission device. BACKGROUND

[0002] Dust environment test box is a kind of detection equipment of fire-fighting electronic industry, is used to carry out fire alarm smoke detection probe dust environment test.

[0003] And the test equipment applied to product dust environment test, when the test mode of constant concentration, the dust concentration in test process needs real-time detection, and closed loop adjustment is carried out to dust emission equipment, to reach the purpose of constant concentration test.Therefore need a kind of stable and reliable dust emission device, realize the above purpose.But the dust emission equipment in the prior art cannot provide stable dust output, leading to the dust concentration in dust environment test box fluctuation is larger, cannot keep constant, it is not conducive to actual application and test operation.

[0004] Therefore, the skilled in the art provides a dust equipment dust emission device to solve the problems raised in the above background. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a dust equipment dust emission device, solve the problems that the dust emission device in the prior art mentioned in the above background technology cannot provide stable dust output, leading to the dust concentration in dust environment test box fluctuation is larger, cannot keep constant, it is not conducive to actual application and test operation.

[0006] To realize the above purpose, the utility model is realized by the following technical scheme: a dust equipment dust emission device, including powder tank and speed regulation air pump, the output end of speed regulation air pump is installed with connecting pipe, the one end of connecting pipe away from speed regulation air pump extends to the inside of powder tank and is installed with nozzle, the bottom of powder tank is installed with high-frequency vibrator, the bottom of powder tank is also installed with dust outlet pipe;

[0007] The bottom of powder tank is equidistantly provided with three support assemblies, the support assembly is used for supporting powder tank on one hand, and is used for cooperating high-frequency vibrator to make powder tank vibrate on the other hand.

[0008] Through the above technical scheme, high-frequency vibrator is arranged at the bottom of powder tank, the dust in the inside of powder tank is vibrated and rammed evenly using high-frequency vibrator, at the same time, speed regulation air pump is arranged outside powder tank, specific pressure airflow is output using speed regulation air pump, through the common action of high-frequency vibrator and speed regulation air pump, the dust of certain concentration can be evenly filled in powder tank, and is output through dust outlet pipe, and different concentration dust mixed gas can be output by adjusting the rotating speed of speed regulation air pump, it is beneficial to actual application and test operation.

[0009] Preferably, the top of the powder tank is threadedly connected with a sealing cover.

[0010] By the above technical scheme, the top of the powder tank can be opened by the sealing cover, and the powder tank can be conveniently filled with dust.

[0011] Preferably, the outside of the powder tank is equidistantly provided with a reinforcing rib of an annular structure.

[0012] By the above technical scheme, the overall structural strength of the powder tank can be increased by the reinforcing rib.

[0013] Preferably, the top of the nozzle is provided with a filter screen plate.

[0014] By the above technical scheme, the filter screen plate can prevent the dust from entering the inside of the connecting pipe through the nozzle.

[0015] Preferably, the dust outlet pipe is connected with an external dust environment test box through a hose away from the powder tank.

[0016] By the above technical scheme, the vibration of the powder tank can be avoided from being transmitted to the external dust environment test box through the dust outlet pipe by the hose connection.

[0017] Preferably, the support assembly comprises a T-shaped rod, a support sleeve and a spring, the T-shaped rod is installed at the bottom of the powder tank, the support sleeve is sleeved on the outside of the T-shaped rod, and the spring is installed between the bottom of the inner wall of the support sleeve and the bottom of the T-shaped rod.

[0018] By the above technical scheme, the T-shaped rod can be up and down shaken in the support sleeve by the spring force when the high-frequency vibrator works, so that the T-shaped rod is up and down shaken in the support sleeve by the spring.

[0019] Preferably, the outside of the bottom of the support sleeve is equidistantly provided with positioning holes.

[0020] By the above technical scheme, the equipment can be stably installed at the specified position for use, and the position deviation of the powder tank caused by vibration can be prevented.

[0021] The dust equipment dust generating device has the beneficial effects as follows:

[0022] The dust equipment dust generating device sets high-frequency vibrator at the bottom of the powder tank, uses the high-frequency vibrator to vibrate and tamp the dust in the powder tank, cooperates with the speed-regulating air pump arranged outside the powder tank, uses the speed-regulating air pump to output airflow with specific pressure, and through the cooperation of the high-frequency vibrator and the speed-regulating air pump, the powder tank can be uniformly filled with dust with certain concentration, and the dust is output through the dust outlet pipe, and different concentration of dust mixed gas can be output by adjusting the rotating speed of the speed-regulating air pump, which is beneficial to actual application and test operation. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a first perspective three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is a second perspective three-dimensional structure schematic view of the utility model;

[0025] Figure 3 It is an internal structure cutaway schematic view of the utility model;

[0026] Figure 4 It is an internal structure cutaway schematic view of the support assembly of the utility model.

[0027] In the drawing: 1, powder tank; 2, speed-regulating air pump; 3, nozzle; 4, connecting pipe; 5, high-frequency vibrator; 6, dust outlet pipe; 7, sealing cover; 8, reinforcing rib; 9, T-shaped rod; 10, support sleeve; 11, spring; 12, positioning hole. DETAILED DESCRIPTION

[0028] The utility model will be further described in detail below by means of the drawings and examples.

[0029] Reference Figure 1 , Figure 2 and Figure 3 , the utility model embodiment provides a kind of dust equipment dust generating device, including powder tank 1 and speed-regulating air pump 2, the top of powder tank 1 is threadedly connected with sealing cover 7, utilize sealing cover 7 to be able to open the top of powder tank 1, and it is convenient to fill dust therein, while utilize sealing cover 7 can also be sealed to the top of powder tank 1, prevent dust overflow when using. The reinforcing rib 8 of annular structure is equidistantly installed on the outside of powder tank 1, utilize reinforcing rib 8 to be able to increase the overall structural strength of powder tank 1.

[0030] The output end of the speed-regulating air pump 2 is provided with a connecting pipe 4, the end of the connecting pipe 4 away from the speed-regulating air pump 2 extends to the inside of the powder tank 1 and is provided with a nozzle 3, the speed-regulating air pump 2 outputs air flow with a specific pressure, the air flow passes through the connecting pipe 4 and the nozzle 3 and enters the inside of the powder tank 1, so that the powder in the powder tank 1 is output, meanwhile, the speed of the speed-regulating air pump 2 can be controlled by external control equipment, the speed of the speed-regulating air pump 2 is adjusted, so that air flow with different concentrations of powder can be output, which is beneficial to practical application and test operation. The top of the nozzle 3 is provided with a filter screen, the filter screen can prevent the powder from entering the inside of the connecting pipe 4 through the nozzle 3.

[0031] The bottom of the powder tank 1 is provided with a high-frequency vibrator 5. The high-frequency vibrator 5 is also called high-frequency vibration motor, the motor frequency is modulated to high-speed rotation by a frequency modulation power supply, the eccentric wheel is driven to do circular motion, so that vibration is generated, and the vibration is transmitted to the end cover and the shell through the rolling way. The bottom of the powder tank 1 is also provided with a dust outlet pipe 6, the dust outlet pipe 6 can be used to transport the powder in combination with the air flow output by the speed-regulating air pump 2. The end of the dust outlet pipe 6 away from the powder tank 1 is connected to the external dust environment test box through a hose, the vibration of the powder tank 1 can be avoided from being transmitted to the external dust environment test box through the dust outlet pipe 6 by the hose connection.

[0032] Referring to Figure 2 and Figure 4 In one aspect of the embodiment, the bottom of the powder tank 1 is provided with three support assemblies equidistantly. The support assemblies are used to support the powder tank 1 and cooperate with the high-frequency vibrator 5 to make the powder tank 1 vibrate. The support assemblies comprise a T-shaped rod 9, a support sleeve 10 and a spring 11. The T-shaped rod 9 is installed at the bottom of the powder tank 1. The support sleeve 10 is sleeved outside the T-shaped rod 9. The spring 11 is installed between the bottom of the inner wall of the support sleeve 10 and the bottom of the T-shaped rod 9. The spring 11 is used to make the high-frequency vibrator 5 drive the powder tank 1 to vibrate when the high-frequency vibrator 5 works, so that the T-shaped rod 9 is up and down shaken in the support sleeve 10 in cooperation with the spring 11. The outer side of the bottom of the support sleeve 10 is provided with equidistant positioning holes 12, the equipment can be stably installed at a specified position for use by the positioning holes 12, and the position deviation of the powder tank 1 caused by vibration can be prevented.

[0033] Working principle:

[0034] In use, first, the equipment is stably installed at a specified position through the positioning holes 12, the speed-regulating air pump 2 and the high-frequency vibrator 5 are connected to external control equipment, so that the work of the equipment is controlled, the end of the dust outlet pipe 6 away from the powder tank 1 is connected to the external dust environment test box through a hose, then the sealing cover 7 is opened, the powder is filled into the inside of the powder tank 1, after the filling is completed, the sealing cover 7 is closed.

[0035] At this time, the device can be used, the external control device controls the speed regulating air pump 2 and the high-frequency vibrator 5 to work simultaneously, the speed regulating air pump 2 outputs the airflow with a certain pressure, the airflow enters the inside of the powder tank 1 through the connecting pipe 4 and the nozzle 3, and the high-frequency vibrator 5 vibrates and tamps the dust in the inside of the powder tank 1, through the common action of the high-frequency vibrator 5 and the speed regulating air pump 2, the powder tank 1 can be uniformly filled with the dust with a certain concentration, and the dust is output through the dust outlet pipe 6, and the speed of the speed regulating air pump 2 is adjusted through the external control device, so that the dust mixed gas with different concentrations can be output, which is beneficial to actual application and test operation.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dust device dust generating apparatus comprising a powder tank (1) and a speed-regulated air pump (2), characterized in that, The output end of the speed-regulating air pump (2) is provided with a connecting pipe (4), one end of the connecting pipe (4) extending to the inside of the powder tank (1) and provided with a nozzle (3), the bottom of the powder tank (1) is provided with a high-frequency vibrator (5), and the bottom of the powder tank (1) is also provided with a dust outlet pipe (6). The bottom of the powder tank (1) is provided with three support assemblies equidistantly, which are used for supporting the powder tank (1) and cooperating with the high-frequency vibrator (5) to make the powder tank (1) vibrate.

2. The dusting apparatus of claim 1, wherein: The top of the powder tank (1) is provided with a sealing cover (7) in a threaded connection mode.

3. The dusting apparatus of claim 1, wherein: The outer side of the powder tank (1) is provided with a reinforcing rib (8) in an annular structure equidistantly.

4. The dusting apparatus of claim 1, wherein: The top of the nozzle (3) is provided with a filter screen plate.

5. The dusting apparatus of claim 1, wherein: One end of the dust outlet pipe (6) away from the powder tank (1) is connected with an external dust environment test box through a hose.

6. The dusting apparatus of claim 1, wherein: The support assembly comprises a T-shaped rod (9), a support sleeve (10) and a spring (11), the T-shaped rod (9) is installed at the bottom of the powder tank (1), the support sleeve (10) is sleeved outside the T-shaped rod (9), and the spring (11) is installed between the bottom of the inner wall of the support sleeve (10) and the bottom of the T-shaped rod (9).

7. The dusting apparatus of claim 6, wherein: The outer side of the bottom of the support sleeve (10) is provided with a positioning hole (12) equidistantly.

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