Ultrafiltration membrane integrity detection device

Abstract

The utility model relates to the technical field of detection devices, in particular to an ultrafiltration membrane integrity detection device, an ultrafiltration membrane is arranged in a shell, and the detection device comprises a detection unit and a fixing unit, the detection unit is used for detecting the integrity of the ultrafiltration membrane; the fixing unit is arranged on the detection unit, the fixing unit comprises a fixing assembly and a positioning assembly, the fixing assembly is used for mounting a shell of an ultrafiltration membrane, and the fixing assembly comprises a mounting seat, a motor, a lead screw, a movable seat, an upper fixing seat and a lower fixing seat. The shell with the ultrafiltration membrane is directly placed in the containing groove of the lower fixing seat, the embedding groove of the upper fixing seat contains the port of the shell with the ultrafiltration membrane, after detection is completed, the embedding groove of the upper fixing seat and negative pressure adsorption of the vacuum pump lift the shell, a user can take down the shell conveniently, and therefore the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field especially is related to a kind of ultrafiltration membrane soundness detection device. BACKGROUND

[0002] The ultrafiltration membrane soundness detection device is a device for evaluating whether the ultrafiltration membrane is intact, which is crucial for ensuring the efficiency and stability of the ultrafiltration membrane in practical applications. The existing ultrafiltration membrane detection is to install the ultrafiltration membrane in the shell and detect the soundness of the ultrafiltration membrane arranged in the shell by vacuum pumping. However, the detection device has low loading and unloading efficiency, resulting in low detection efficiency. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the low loading and unloading efficiency of the detection device in the prior art, which leads to low detection efficiency. A kind of ultrafiltration membrane soundness detection device is provided.

[0004] The technical solution adopted by the utility model to solve its technical problem is: a kind of ultrafiltration membrane soundness detection device, the ultrafiltration membrane is arranged in the shell, the detection device includes detection unit and fixed unit;

[0005] The detection unit is used to detect the soundness of the ultrafiltration membrane.

[0006] The fixed unit is arranged on the detection unit, and the fixed unit includes a fixed component for installing the shell of the ultrafiltration membrane and a positioning component. The fixed component includes a mounting seat, a motor, a lead screw, a movable seat, an upper fixing seat and a lower fixing seat. The mounting seat is fixedly connected with the detection unit, the lead screw is rotatably connected with the mounting seat, the movable seat is threadedly connected with the lead screw, the motor is fixedly connected with the mounting seat, the output shaft of the motor is drivingly connected with the lead screw, and the motor is used to provide power for the upper fixing seat to approach or move away from the lower fixing seat. The upper fixing seat is fixedly connected with the movable seat, and the upper fixing seat has an attraction channel. The attraction channel is connected with the vacuum pump of the detection unit through an air pipe. The lower fixing seat is fixedly connected with the mounting seat, and the lower fixing seat is used to place the shell of the ultrafiltration membrane. Through the design of the upper fixing seat and the lower fixing seat, the shell with the ultrafiltration membrane can be directly placed in the accommodating groove of the lower fixing seat during detection. The embedding groove of the upper fixing seat accommodates the shell port with the ultrafiltration membrane. After detection is completed, the embedding groove of the upper fixing seat and the negative pressure adsorption of the vacuum pump lift the shell, which is convenient for the user to take down, thereby improving the detection efficiency.

[0007] Further, the bottom surface of the upper fixing seat is provided with an embedding groove for accommodating the shell of the ultrafiltration membrane.

[0008] Further, a clamping ring is protruded in the embedding groove, and a clamping cavity is formed between the clamping ring and the inner wall of the embedding groove.

[0009] The top surface of the further comprising lower fixed seat is provided with an accommodating groove for accommodating the shell of the ultrafiltration membrane.

[0010] The further comprising positioning assembly comprises a movable contact arranged on the movable seat and a fixed contact matched with the movable contact arranged on the lower fixed seat.

[0011] The further comprising positioning assembly comprises a connecting block, an elastic element, a sleeve and a movable rod, the sleeve and the movable seat are threadedly connected, the movable rod and the sleeve are slidingly connected, the bottom end of the movable rod is fixedly connected with the connecting block, the movable contact is fixedly connected with the bottom surface of the connecting block, the elastic element is sleeved on the sleeve, one end of the elastic element abuts against the movable seat, and the other end of the elastic element abuts against the connecting block.

[0012] The beneficial effect of the ultrafiltration membrane integrity detection device is that: the upper fixed seat and the lower fixed seat are designed, when detecting, the shell with the ultrafiltration membrane is directly placed in the accommodating groove of the lower fixed seat, the embedding groove of the upper fixed seat accommodates the shell port with the ultrafiltration membrane, after detection is completed, the embedding groove of the upper fixed seat and the negative pressure adsorption of the vacuum pump lift the shell, and the user can take down the shell, so that the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further illustrated below in combination with the drawings and examples.

[0014] Figure 1 is the structure schematic diagram of the utility model;

[0015] Figure 2 is the structure schematic diagram of the utility model with the section view state;

[0016] Figure 3 is the structure schematic diagram of the utility model Figure 2 is the enlarged structure schematic diagram of A place in the utility model.

[0017] In the drawing: 1, detection unit, 2, fixed unit, 21, fixed assembly, 211, mounting seat, 212, motor, 213, screw rod, 214, movable seat, 215, upper fixed seat, 2151, embedding groove, 2152, clamping ring, 2513, suction passage, 216, lower fixed seat, 2161, accommodating groove, 22, positioning assembly, 221, movable contact, 222, fixed contact, 223, connecting block, 224, elastic element, 225, sleeve, 226, movable rod. DETAILED DESCRIPTION

[0018] The utility model will be further explained in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, so it only shows the structure related to the utility model.

[0019] AsFigure 1 is a structural schematic view of the utility model, a kind of ultrafiltration membrane integrity detection device, the ultrafiltration membrane is arranged in shell, the detection device includes detection unit 1 and fixed unit 2;

[0020] Detection unit 1 is used to detect the integrity of ultrafiltration membrane, and detection unit 1 includes shell, vacuum pump and pressure sensor;

[0021] Fixed unit 2 is arranged on detection unit 1, and fixed unit 2 includes fixed assembly 21 for the shell installation of ultrafiltration membrane and positioning assembly 22, fixed assembly 21 includes mounting seat 211, motor 212, lead screw 213, movable seat 214, upper fixed seat 215 and lower fixed seat 216, mounting seat 211 is fixedly connected with detection unit 1, lead screw 213 is rotationally connected with mounting seat 211, movable seat 214 is threadedly connected with lead screw 213, motor 212 is fixedly connected with mounting seat 211, the output shaft of motor 212 is drivingly connected with lead screw 213, motor 212 is used to provide power for upper fixed seat 215 to approach or away from lower fixed seat 216, upper fixed seat 215 is fixedly connected with movable seat 214, and upper fixed seat 215 has suction passage 2153, suction passage 2153 is connected with the vacuum pump of detection unit 1 by air pipe, lower fixed seat 216 is fixedly connected with mounting seat 211, and lower fixed seat 216 is used to place the shell of ultrafiltration membrane, by the design of upper fixed seat 215 and lower fixed seat 216, when detecting, the shell with ultrafiltration membrane is directly placed in the accommodating groove of lower fixed seat 216, the fitting groove 2151 of upper fixed seat 215 accommodates the shell port with ultrafiltration membrane, after detection is completed, the fitting groove 2151 of upper fixed seat 215 and the negative pressure adsorption of vacuum pump lift the shell, so that the user is convenient to take down, to improve detection efficiency.

[0022] As Figure 3 shown, the bottom surface of upper fixed seat 215 is provided with fitting groove 2151 for accommodating the shell of ultrafiltration membrane, fitting groove 2151 is communicated with suction passage 2153, and interference fit is adopted between fitting groove 2151 and the shell with ultrafiltration membrane.

[0023] As Figure 3 shown, clamping ring 2152 is formed in fitting groove 2151, clamping cavity is formed between clamping ring 2152 and the inner wall of fitting groove 2151, and the cooperation of fitting groove 2151 and clamping ring 2152 can more easily clamp the shell to lift it synchronously.

[0024] As Figure 3 shown, the top surface of lower fixed seat 216 is provided with accommodating groove 2161 for accommodating the shell of ultrafiltration membrane, and the port of accommodating groove 2161 is expanded outward from bottom to top, so that the shell is conveniently placed in accommodating groove 2161.

[0025] AsFigure 3 As shown, the positioning assembly 22 comprises a movable contact 221 arranged on the movable seat 214 and a fixed contact 222 matched with the movable contact 221 arranged on the lower fixed seat 216.

[0026] The positioning assembly 22 comprises a connecting block 223, an elastic element 224, a sleeve 225 and a movable rod 226, the sleeve 225 is threadedly connected with the movable seat 214, the threaded connection of the sleeve 225 can adjust the touch distance between the movable contact 221 and the fixed contact 222, thereby adapting to different heights of the shell, the movable rod 226 is slidingly connected with the sleeve 225, the bottom end of the movable rod 226 is fixedly connected with the connecting block 223, the movable contact 221 is fixedly connected with the bottom surface of the connecting block 223, the elastic element 224 is sleeved on the sleeve 225, one end of the elastic element 224 abuts against the movable seat 214 and the other end abuts against the connecting block 223, the design of the movable contact 221 and the fixed contact 222 can provide a signal for starting and stopping the control motor, a pressure sensor is arranged in the accommodating groove 2161, and the pressure sensor detects whether the shell is in the accommodating groove 2161.

[0027] Working principle: when in use, the shell with the ultrafiltration membrane is placed in the accommodating groove 2161, the motor 212 drives the screw rod 213 to rotate, the forward and reverse rotation of the screw rod 213 controls the up and down movement of the upper fixed seat 215, the upper fixed seat 215 moves downward and approaches until the movable contact 221 and the fixed contact 222 are in contact, at this time, the shell is embedded in the embedded groove 216, then the vacuum pump is started to detect, after the detection is completed, the motor 212 is started again to rotate reversely, the upper fixed seat 215 moves upward, and the shell is taken out of the accommodating groove 216 under the fixation of the embedded groove 216 and the negative pressure adsorption force of the vacuum pump, at this time, the user exerts force downward to take off the shell, thereby improving the efficiency of loading and unloading.

[0028] Based on the above ideal embodiments of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. An ultrafiltration membrane integrity detection device, the ultrafiltration membrane being disposed in a housing, characterized by, The detection device comprises a detection unit (1) and a fixing unit (2); The detection unit (1) is used for detecting the integrity of the ultrafiltration membrane; The fixing unit (2) is arranged on the detection unit (1), and the fixing unit (2) comprises a fixing assembly (21) for mounting the shell of the ultrafiltration membrane and a positioning assembly (22), the fixing assembly (21) comprises a mounting seat (211), a motor (212), a lead screw (213), a movable seat (214), an upper fixing seat (215) and a lower fixing seat (216), the mounting seat (211) is fixedly connected with the detection unit (1), the lead screw (213) is rotationally connected with the mounting seat (211), the movable seat (214) is threadedly connected with the lead screw (213), the motor (212) is fixedly connected with the mounting seat (211), an output shaft of the motor (212) is drivingly connected with the lead screw (213), the motor (212) is used for providing power for the upper fixing seat (215) to move close to or away from the lower fixing seat (216), the upper fixing seat (215) is fixedly connected with the movable seat (214), the upper fixing seat (215) is provided with an attraction channel (2153) on the upper fixing seat (215), the attraction channel (2153) is connected with a vacuum pump of the detection unit (1) through an air pipe, and the lower fixing seat (216) is fixedly connected with the mounting seat (211).

2. The ultrafiltration membrane integrity detection apparatus according to claim 1, wherein: A fitting groove (2151) for accommodating the shell of the ultrafiltration membrane is formed in the bottom surface of the upper fixing seat (215).

3. The ultrafiltration membrane integrity detection apparatus according to claim 2, wherein: A clamping ring (2152) is protrudedly formed in the fitting groove (2151), and a clamping cavity is formed between the clamping ring (2152) and the inner wall of the fitting groove (2151).

4. The ultrafiltration membrane integrity detection apparatus according to claim 1, wherein: An accommodating groove (2161) for accommodating the shell of the ultrafiltration membrane is formed in the top surface of the lower fixing seat (216).

5. The ultrafiltration membrane integrity detection apparatus of claim 1, wherein: The positioning assembly (22) comprises a movable contact (221) and a fixed contact (222) matched with the movable contact (221), the movable contact (221) is arranged on the movable seat (214), and the fixed contact (222) is arranged on the lower fixing seat (216).

6. The ultrafiltration membrane integrity detection device according to claim 5, wherein: The positioning assembly (22) comprises a connecting block (223), an elastic element (224), a sleeve (225) and a movable rod (226), the sleeve (225) is threadedly connected with the movable seat (214), the movable rod (226) is slidingly connected with the sleeve (225), the bottom end of the movable rod (226) is fixedly connected with the connecting block (223), the movable contact (221) is fixedly connected with the bottom surface of the connecting block (223), the elastic element (224) is sleeved on the sleeve (225), one end of the elastic element (224) abuts against the movable seat (214), and the other end of the elastic element (224) abuts against the connecting block (223).

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