Vacuum pump noise performance detection device

Abstract

The utility model provides a vacuum pump noise performance detection device, and relates to the technical field of noise detection. The vacuum pump noise performance detection device comprises a detection box, an adjusting mechanism is arranged above the detection box, the adjusting mechanism comprises a first circulating pipe, one end of the first circulating pipe is fixedly communicated with the detection box, and the end, away from the detection box, of the first circulating pipe is fixedly communicated with a butt joint pipe. According to the noise performance detection device for the vacuum pump, through cooperative arrangement of a first circulating pipe, a butt joint pipe, a supporting rotating rod, a first bevel gear, a second bevel gear, a rotating rod, fan blades, a limiting plate, a second circulating pipe, a cooling box, a condensation pipe, a water pump, a connecting pipe and a cooler, air in a detection box can be pumped out, cooled and then conveyed into the detection box; and the interior of the detection box is effectively cooled, so that the temperature in the detection box is freely adjusted to detect the noise at different temperatures, and the detection box is more practical.

Description

Technical Field

[0001] The utility model relates to a noise performance detection device, in particular to a vacuum pump noise performance detection device, belonging to the technical field of noise detection. Background Art

[0002] A vacuum pump is a device or equipment that uses mechanical, physical, chemical or physicochemical methods to evacuate the container to obtain a vacuum. In layman's terms, a vacuum pump is a device that uses various methods to improve, generate and maintain a vacuum in a closed space.

[0003] After searching, a Chinese patent with publication number CN215201641U discloses a vacuum pump fixing device for detecting noise performance of an electric vacuum pump, which includes a workbench, and concave clamping plates are slidably installed on both sides of the upper surface of the workbench. The device can quickly fix the electric vacuum pump during noise detection, replacing the traditional method of fixing with multiple bolts, which is convenient and fast.

[0004] Although the above scheme can conveniently and quickly fix the electric vacuum pump during noise detection, the vacuum pump is generally tested in a closed test box. During the detection process, the vacuum pump often generates a large amount of heat, causing the temperature inside the test box to rise, and excessively high temperature will increase the noise of the vacuum pump, making it difficult to detect the noise level at different temperatures by adjusting the temperature inside the test box, making it less practical. To this end, we provide a solution to the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a vacuum pump noise performance detection device in order to solve the above problems, so as to solve the problem in the prior art that the noise level at different temperatures cannot be detected by adjusting the temperature inside the detection box.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a vacuum pump noise performance detection device comprises a detection box, an adjustment mechanism is arranged above the detection box, the adjustment mechanism comprises a circulation pipe 1, one end of the circulation pipe 1 is fixedly connected to the detection box, the end of the circulation pipe 1 away from the detection box is fixedly connected to a docking pipe, the inner wall of the docking pipe is rotatably connected to a supporting rotating rod, one end of the supporting rotating rod is rotatably connected to the detection box, the outer surface of the supporting rotating rod is fixedly connected to a bevel gear 1, the outer surface of the bevel gear 1 is meshingly connected to a bevel gear 2, and the outer surface of the bevel gear 2 is fixedly connected to a rotating rod.

[0009] Preferably, the end of the rotating rod away from the second bevel gear is fixedly connected with a fan blade, the outer surface of the rotating rod is rotatably connected to a limiting plate, the outer surface of the limiting plate is fixedly connected to the docking tube, and the setting of the limiting plate can effectively support and limit the rotating rod.

[0010] Preferably, the end of the docking tube away from the circulation tube one is fixedly connected to the circulation tube two, and the end of the circulation tube two away from the docking tube is fixedly connected to the cooling box. The outer surface of the cooling box and the detection box are fixedly connected. Through the setting of the circulation tube two and the rotation of the two fan blades in opposite directions, the air inside the detection box can be effectively pumped from the circulation tube one to the circulation tube two to the inside of the cooling box.

[0011] Preferably, a condenser is fixedly connected to the inner wall of the cooling box, both ends of the condenser pass through the cooling box, both ends of the condenser are fixedly connected to the cooling box, a fixing plate is fixedly installed on the outer surface of the condenser, and the fixing plate is fixed to the inner wall of the cooling box, so that the condenser will not be blown when air is transported to the inside of the cooling box, making it more secure.

[0012] Preferably, a water pump is fixedly connected to the top surface of the cooling box, the output end of the water pump is fixedly connected to the condenser, the input end of the water pump is fixedly connected to a connecting pipe, the top surface of the cooling box is fixedly connected to a cooler, the input end of the cooler is fixedly connected to the condenser, the output end of the cooler is fixedly connected to the connecting pipe, and a liquid inlet pipe is fixedly installed on the outer surface of the water pump, which is connected to the external working fluid cylinder through the liquid inlet pipe, thereby ensuring that the working fluid inside the condenser is continuous, and by simultaneously starting the water pump and the cooler and coordinating the connection of the connecting pipe, the working fluid inside the condenser can be effectively cooled and circulated.

[0013] Preferably, a clamping mechanism is provided inside the detection box, and the clamping mechanism includes a fixed bottom plate, the bottom surface of the fixed bottom plate is slidably connected to the detection box, and the inner wall of the fixed bottom plate is fixedly connected to the vacuum pump body, and the vacuum pump body can be more conveniently placed inside the detection box by pulling the fixed bottom plate out of the detection box.

[0014] Preferably, the inner wall of the detection box is rotatably connected to a bidirectional screw, the outer surface of the bidirectional screw is threadedly connected to a clamping plate, the outer surface of the clamping plate is slidably connected to the detection box, and the inner wall of the clamping plate is fixedly installed with an anti-slip pad. The anti-slip pad makes the clamping plate more secure and less likely to shake when clamping the vacuum pump body.

[0015] Preferably, the top surface of the clamping plate is fixedly connected to a connecting plate, the inner wall of the connecting plate is slidably connected to a sliding rod, both ends of the sliding rod are fixedly connected to the detection box, the inner wall of the detection box is slidably connected to a sliding door, and through the setting of the sliding rod, the clamping plate is more stable when moving, and a sealing gasket is installed on the outer surface of the sliding door, and the sealing gasket can make the detection box in an absolutely closed state for noise performance testing.

[0016] The utility model provides a vacuum pump noise performance detection device, which has the following beneficial effects:

[0017] 1. The vacuum pump noise performance detection device is configured through the coordination of a circulation pipe 1, a butt joint pipe, a supporting rotating rod, a bevel gear 1, a bevel gear 2, a rotating rod, a fan blade, a limit plate, a circulation pipe 2, a cooling box, a condenser, a water pump, a connecting pipe and a cooler. By turning on the power source, the bevel gear 1 can be rotated to drive the two fan blades to rotate in opposite directions. At the same time, turning on the water pump and the cooler can effectively cool the air brought by the rotation of the fan blades, thereby realizing that the utility model can extract the air inside the detection box, cool it, and then transport it back in, effectively dissipating heat and cooling the inside of the detection box, thereby freely adjusting the temperature inside the detection box to detect the noise level at different temperatures, making it more practical.

[0018] 2. The vacuum pump noise performance detection device is configured by coordinating a fixed base plate, a vacuum pump body, a bidirectional screw, a clamping plate, a connecting plate and a sliding rod. By fixing the vacuum pump body to the inner wall of the fixed base plate and then rotating the bidirectional screw, the two clamping plates can move closer to each other, thereby achieving the utility model being able to clamp the vacuum pump body by bringing the two clamping plates closer to each other until they touch the surface of the vacuum pump body, and fixing the bottom of the vacuum pump body by cooperating with the fixed base plate, which effectively makes the vacuum pump body more stable when it is turned on for noise detection, and avoids the influence of its own vibration on the accuracy of the detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the adjustment mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the condenser tube of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the clamping mechanism of the utility model.

[0023]

Main component symbol description

[0024] 1. Test box;

[0025] 2. Adjustment mechanism; 201. Circulation pipe 1; 202. Butt pipe; 203. Supporting rotating rod; 204. Bevel gear 1; 205. Bevel gear 2; 206. Rotating rod; 207. Fan blade; 208. Limiting plate; 209. Circulation pipe 2; 210. Cooling box; 211. Condenser; 212. Water pump; 213. Connecting pipe; 214. Cooler;

[0026] 3. Clamping mechanism; 301. Fixed bottom plate; 302. Vacuum pump body; 303. Bidirectional screw; 304. Clamping plate; 305. Connecting plate; 306. Sliding rod;

[0027] 4. Sliding door. DETAILED DESCRIPTION

[0028] The embodiment of the utility model provides a vacuum pump noise performance detection device.

[0029] See also Figure 1 , including a test box 1, a power supply is installed on the bottom surface of the test box 1, which can power the electrical equipment in this application, a thermometer is fixedly installed inside the test box 1, and the temperature inside the test box 1 can be observed in real time through the thermometer, and the inner wall of the test box 1 is slidably connected to a sliding door 4, and a sealing gasket is installed on the outer surface of the sliding door 4, and the sealing gasket can make the test box 1 in an absolutely closed state for noise performance testing.

[0030] See also Figure 2 and Figure 3 An adjusting mechanism 2 is arranged above the detection box 1, and the adjusting mechanism 2 comprises a circulation pipe 201, one end of the circulation pipe 201 is fixedly connected with the detection box 1, and the end of the circulation pipe 201 away from the detection box 1 is fixedly connected with a docking pipe 202, and the inner wall of the docking pipe 202 is rotatably connected with a supporting rotating rod 203, and one end of the supporting rotating rod 203 is rotatably connected with the detection box 1, and a power source is fixedly installed on the top surface of the detection box 1, and the output end of the power source is fixedly connected with the supporting rotating rod 203, and the supporting rotating rod 203 can be effectively driven to rotate by starting the power source, and the outer surface of the supporting rotating rod 203 and the docking pipe 202 are installed with a sealing ring, and the air inside the docking pipe 202 can be effectively prevented from overflowing through the sealing ring.

[0031] The outer surface of the support rotating rod 203 is fixedly connected with a bevel gear 1 204, the outer surface of the bevel gear 1 204 is meshingly connected with a bevel gear 205, and the outer surface of the bevel gear 205 is fixedly connected with a rotating rod 206. The support rotating rod 203 is rotatably connected to the detection box 1, thereby effectively playing a role of fixed support for the bevel gear 1 204. The rotation of the support rotating rod 203 can effectively make the bevel gear 1 204 rotate and drive the two bevel gears 205 to rotate in opposite directions to each other.

[0032] The end of the rotating rod 206 away from the bevel gear 205 is fixedly connected with the fan blade 207, and the outer surface of the rotating rod 206 is rotatably connected to the limiting plate 208. The outer surface of the limiting plate 208 is fixedly connected to the docking pipe 202. Through the setting of the limiting plate 208, the rotating rod 206 can be effectively supported and limited.

[0033] One end of the docking pipe 202 away from the circulation pipe 1 201 is fixedly connected to the circulation pipe 2 209, and one end of the circulation pipe 209 away from the docking pipe 202 is fixedly connected to the cooling box 210. The outer surface of the cooling box 210 is fixedly connected to the detection box 1. Through the setting of the circulation pipe 209 and the rotation of the two fan blades 207 in opposite directions, the air inside the detection box 1 can be effectively pumped from the circulation pipe 1 201 to the circulation pipe 2 209 and to the interior of the cooling box 210.

[0034] A condenser 211 is fixedly connected to the inner wall of the cooling box 210, and both ends of the condenser 211 pass through the cooling box 210. Both ends of the condenser 211 are fixedly connected to the cooling box 210. A fixing plate is fixedly installed on the outer surface of the condenser 211, and the fixing plate is fixed to the inner wall of the cooling box 210, so that the condenser 211 will not be blown when air is transported to the inside of the cooling box 210, making it more secure.

[0035] A water pump 212 is fixedly connected to the top surface of the cooling box 210, the output end of the water pump 212 is fixedly connected to the condenser 211, the input end of the water pump 212 is fixedly connected to the connecting pipe 213, the top surface of the cooling box 210 is fixedly connected to a cooler 214, the input end of the cooler 214 is fixedly connected to the condenser 211, the output end of the cooler 214 is fixedly connected to the connecting pipe 213, and a liquid inlet pipe is fixedly installed on the outer surface of the water pump 212, which is connected to the external working liquid cylinder through the liquid inlet pipe, which can effectively ensure that the working fluid inside the condenser 211 is continuous, and by simultaneously starting the water pump 212 and the cooler 214 and coordinating the connection of the connecting pipe 213, the working fluid inside the condenser 211 can be effectively cooled and circulated.

[0036] See also Figure 4 A clamping mechanism 3 is provided inside the detection box 1, and the clamping mechanism 3 includes a fixed bottom plate 301. The bottom surface of the fixed bottom plate 301 is slidably connected to the detection box 1, and the inner wall of the fixed bottom plate 301 is fixedly connected with a vacuum pump body 302. By pulling the fixed bottom plate 301 out from the interior of the detection box 1, the vacuum pump body 302 can be placed into the interior of the detection box 1 more conveniently.

[0037] The inner wall of the detection box 1 is rotatably connected with a bidirectional screw 303, the outer surface of the bidirectional screw 303 is threadedly connected with a clamping plate 304, the outer surface of the clamping plate 304 is slidably connected to the detection box 1, and the inner wall of the clamping plate 304 is fixedly installed with an anti-slip pad. The anti-slip pad makes the clamping plate 304 more secure and less likely to shake when clamping the vacuum pump body 302.

[0038] The top surface of the clamping plate 304 is fixedly connected to the connecting plate 305, the inner wall of the connecting plate 305 is slidably connected to the sliding rod 306, and both ends of the sliding rod 306 are fixedly connected to the detection box 1. Through the setting of the sliding rod 306, the clamping plate 304 is more stable when moving.

[0039] The water pump 212, cooler 214 and vacuum pump body 302 in the present application are all common electrical devices in the prior art, and the present application will not elaborate on their models or internal structures.

[0040] Working principle: Open the sliding door 4 through the handle to pull the fixed bottom plate 301 out from the inner wall of the detection box 1, fix the vacuum pump body 302 to the inner wall of the fixed bottom plate 301, and then push the fixed bottom plate 301 into the interior of the detection box 1 again. At this time, rotate the bidirectional screw 303 to make the two clamping plates 304 move closer to each other until the inner wall of the clamping plate 304 contacts the surface of the vacuum pump body 302 to clamp it. In the process of detecting the noise performance of the vacuum pump body 302, it will generate a lot of heat due to its work and release it in the interior of the detection box 1, and the temperature will affect the noise level of the vacuum pump body 302. When it is necessary to test the noise performance of the vacuum pump body 302 at different temperatures, by simultaneously starting the water pump 212 and the cooler 214, the water pump 212 can be pushed and the cooler 214 can be cooled. The condensation effect can effectively cool the coolant inside the condenser tube 211 and then circulate it, so that the condenser tube 211 is continuously in a condensed state. At this time, the external power source is turned on to rotate the supporting rotating rod 203. The rotation of the supporting rotating rod 203 drives the bevel gear 1 204 to rotate. The rotation of the bevel gear 1 204 drives the two bevel gears 205 to rotate in opposite directions. The rotation of the bevel gear 205 causes the two fan blades 207 to rotate in opposite directions, so that the air inside the detection box 1 is transported from the circulation pipe 1 201 to the circulation pipe 2 209. When the air enters the cooling box 210 and contacts the condenser tube 211, it will be quickly cooled, so that the cooled air enters the interior of the detection box 1 again to perform cold and heat exchange inside it, so that the temperature inside the detection box 1 can be freely adjusted to detect the noise level at different temperatures, making it more practical.

[0041] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A vacuum pump noise performance detection device, comprising a detection box (1), characterized in that: An adjustment mechanism (2) is arranged above the detection box (1), and the adjustment mechanism (2) comprises a circulation pipe (201), one end of the circulation pipe (201) is fixedly connected to the detection box (1), one end of the circulation pipe (201) away from the detection box (1) is fixedly connected to a docking pipe (202), the inner wall of the docking pipe (202) is rotatably connected to a support rotating rod (203), one end of the support rotating rod (203) is rotatably connected to the detection box (1), the outer surface of the support rotating rod (203) is fixedly connected to a bevel gear (204), the outer surface of the bevel gear (204) is meshingly connected to a bevel gear (205), and the outer surface of the bevel gear (205) is fixedly connected to a rotating rod (206).

2. A vacuum pump noise performance detection device according to claim 1, characterized in that: One end of the rotating rod (206) away from the second bevel gear (205) is fixedly connected to a fan blade (207); the outer surface of the rotating rod (206) is rotatably connected to a limit plate (208); and the outer surface of the limit plate (208) is fixedly connected to the butt joint pipe (202).

3. A vacuum pump noise performance detection device according to claim 1, characterized in that: One end of the butt joint pipe (202) away from the circulation pipe one (201) is fixedly connected to the circulation pipe two (209), and one end of the circulation pipe two (209) away from the butt joint pipe (202) is fixedly connected to the cooling box (210), and the outer surface of the cooling box (210) is fixedly connected to the detection box (1).

4. A vacuum pump noise performance detection device according to claim 3, characterized in that: A condenser tube (211) is fixedly connected to the inner wall of the cooling box (210), and both ends of the condenser tube (211) penetrate the cooling box (210), and both ends of the condenser tube (211) are fixedly connected to the cooling box (210).

5. A vacuum pump noise performance detection device according to claim 3, characterized in that: A water pump (212) is fixedly connected to the top surface of the cooling box (210), the output end of the water pump (212) is fixedly connected to the condenser (211), the input end of the water pump (212) is fixedly connected to the connecting pipe (213), the top surface of the cooling box (210) is fixedly connected to a cooler (214), the input end of the cooler (214) is fixedly connected to the condenser (211), and the output end of the cooler (214) is fixedly connected to the connecting pipe (213).

6. A vacuum pump noise performance detection device according to claim 1, characterized in that: A clamping mechanism (3) is provided inside the detection box (1), and the clamping mechanism (3) comprises a fixed bottom plate (301), the bottom surface of the fixed bottom plate (301) is slidably connected to the detection box (1), and the inner wall of the fixed bottom plate (301) is fixedly connected to a vacuum pump body (302).

7. A vacuum pump noise performance detection device according to claim 1, characterized in that: The inner wall of the detection box (1) is rotatably connected to a bidirectional screw (303), the outer surface of the bidirectional screw (303) is threadedly connected to a clamping plate (304), and the outer surface of the clamping plate (304) is slidably connected to the detection box (1).

8. A vacuum pump noise performance detection device according to claim 7, characterized in that: The top surface of the clamping plate (304) is fixedly connected to a connecting plate (305), the inner wall of the connecting plate (305) is slidably connected to a sliding rod (306), both ends of the sliding rod (306) are fixedly connected to the detection box (1), and the inner wall of the detection box (1) is slidably connected to a sliding door (4).

Images