CN212658568U

CN212658568U - Viscosity measuring device

Info

Publication number: CN212658568U
Application number: CN202021411907.4U
Authority: CN
Inventors: 张良立; 龚丰登
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-05
Anticipated expiration: 2030-07-16

Abstract

The present disclosure relates to a viscosity measuring device, comprising: a lifting unit (1); a rotor (2) rotatably provided on the elevating section for rotation within the slurry (6), wherein a rotation axis of the rotor extends vertically; the torque detection part (4) is connected to the rotor and is used for detecting the torque generated when the rotor rotates in the slurry; the controller is connected with the lifting part, the rotor and the torque detection part and is used for controlling the rotor and the lifting part to act; and a position monitoring part (5) connected with the controller and used for alarming when the rotor contacts the slurry. Through above-mentioned technical scheme, the controller control rotor goes up and down, and when position monitoring portion detected the bottom of rotor and the highly uniform of thick liquids liquid level, the controller control portion of going up and down descends and presets the height, makes the rotor all can accurately reach predetermined liquid level height at every turn. At the moment, the controller controls the rotor to rotate, and the torque detection part can detect the torque generated when the rotor rotates in the slurry, so that the viscosity of the slurry is accurately measured.

Description

Viscosity measuring device

Technical Field

The disclosure relates to the technical field of batteries, in particular to a viscosity measuring device.

Background

With national support on new energy and technical research and development in the battery field, power batteries have been widely used in the automobile industry, and the requirements on the energy density and consistency of the batteries are higher and higher in order to ensure the cruising ability and safety of electric automobiles. The homogenization is the most critical process in the manufacture of the battery core, the viscosity of the slurry homogenized each time is uncertain due to different homogenization processes, the higher the viscosity of the slurry is, the more difficult the liquid flows, and the difficulty in machine adjustment is easily caused during coating; the smaller the viscosity of the slurry, the more fluid the slurry is and the more likely it is to cause edge bulging, so accurate viscosity measurement data needs to be obtained by a viscosity measuring instrument. In the related art, the viscosity of the slurry is measured by manually lifting the rotor to a certain height below the liquid level of the slurry, so that the depth of the rotor extending into the liquid level is inaccurate every time, and the measured viscosity value has errors.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a viscosity measurement device, this viscosity measurement device can solve the manual measurement viscosity and have the error, causes the machine of accent difficulty to back processes such as coating, measures the inefficiency problem of viscosity.

In order to achieve the above object, the present disclosure provides a viscosity measuring device comprising:

a lifting part;

a rotor rotatably provided on the elevating part for rotating within the slurry, wherein a rotation axis of the rotor extends vertically;

the torque detection part is connected to the rotor and is used for detecting the torque generated when the rotor rotates in the slurry;

a controller connected to the elevating unit, the rotor, and the torque detecting unit, and configured to control the rotor and the elevating unit to operate; and

and the position monitoring part is connected with the controller and is used for alarming when the rotor is contacted with the slurry.

Optionally, the rotor has a hollow portion, the torque detection portion includes a torque sensor and a torsion spring, one end of the torsion spring is connected to an inner wall of the hollow portion, and the other end of the torsion spring is connected to the torque sensor.

Optionally, the bottom of the rotor is circumferentially provided with gear teeth.

Optionally, the torque sensor further comprises a data display part, and the data display part is connected with the controller so as to transmit the data detected by the torque sensor to the data display part.

Optionally, the position monitoring part comprises a non-contact first liquid level sensor movably arranged on one side of the slurry, and the initial position of the first liquid level sensor is as high as the liquid level of the slurry.

Optionally, the position monitoring part includes a second liquid level sensor of a contact type provided at a bottom end of the rotor.

Optionally, the lifting part comprises a liftable bracket, a horizontally extending support frame connected to the bracket, and a sliding table horizontally slidably disposed on the support frame, and the rotor is rotatably disposed on the sliding table.

Optionally, the rotor is a plurality of rotors, and the radial sizes of the rotors are different.

Optionally, the length of each of the rotors is the same.

Optionally, the lifting portion comprises a plurality of marks engraved on the support, the plurality of marks being vertically spaced apart.

Through above-mentioned technical scheme, controller control lift portion goes up and down and then drives the rotor and goes up and down, when position monitoring portion detected the bottom of rotor and the highly uniform of thick liquids liquid level, controller control lift portion descends and presets the height, makes the rotor all can accurately arrive predetermined liquid level height at every turn. At the moment, the controller controls the rotor to rotate, and the torque detection part can detect the torque generated when the rotor rotates in the slurry, so that the viscosity of the slurry is accurately fed back.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a viscosity measuring device provided in an exemplary embodiment of the present disclosure;

fig. 2 is a schematic structural view of a rotor provided in an exemplary embodiment of the present disclosure.

Description of the reference numerals

1 lifting part 11 support

12 support rod 13 sliding table

2 rotor 21 teeth

3 data display part 31 start key

32 horizontal moving key 33 lifting key

34 torque detecting part of positioning setting key 4

41 torque sensor 42 torsion spring

5 position monitoring part 6 slurry

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the use of the directional words such as "upper and lower" generally means that they are defined under the condition that the viscosity measuring device provided in the present disclosure is normally used. "inner and outer" refer to the inner and outer of the respective component profiles. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

Referring to fig. 1, 2, the present disclosure provides a viscosity measurement device comprising: lifting unit 1, rotor 2, moment of torsion detection portion 4, position monitoring portion 5 and controller, wherein, controller and lifting unit 1, rotor 2 and moment of torsion detection portion 4 are connected, and be used for controlling rotor 2 and the action of lifting unit 1, rotor 2 can set up on lifting unit 1 with the rotation, the vertical extension of axis of rotation of rotor 2, position monitoring portion 5 is connected with the controller, it is highly uniform with 6 liquid levels of thick liquids to detect rotor 2 when position monitoring portion 5, position monitoring portion 5 reports to the police when rotor 2 contacts the liquid level promptly, the controller is control lifting unit 1 promptly and drives rotor 2 decline preset height, at this moment, controller control rotor 2 is at thick liquids 6 internal rotation, the moment that produces when moment of torque detection portion 4 detection rotor 2 of connection on rotor 2 is at the internal rotation of thick liquids 6, and then obtain the viscosity number of thick liquids 6. In addition, the slurry 6 may be placed in a beaker that is placed on an operating platform below the rotor 2 to facilitate the rotor 2 extending into the slurry 6. Specifically, the alarm signal issued by the position monitoring section 5 may be provided by a buzzer, a screen flashing on a display, or the like. It should be noted that the rotor 2 may be a stirring rod, or may have another structure capable of rotating in the slurry 6, and all of them fall within the scope of the present disclosure. In addition, the preset height can be set according to the standard in the industry.

Through the technical scheme, 1 automatic rising of portion goes up and down through the steerable lift of controller, 5 detectable rotors 2 of position monitoring portion are for the position of 6 liquid levels of thick liquids, be convenient for fix a position rotor 2, controller control rotor 2 stretches into the degree of depth department of predetermineeing to thick liquids 6, the position is accurate, avoid having measuring error, the steerable rotor rotation of controller, the rotational speed is adjustable, the moment of force through 4 detection rotors 2 of torque detection portion, the manual operation time and the operation degree of difficulty have been reduced like this, make measured viscosity number more accurate.

Referring to fig. 2, the rotor 2 has a hollow portion, and the torque detecting portion 4 includes a torque sensor 41 and a torsion spring 42, and one end of the torsion spring 42 is connected to an inner wall of the hollow portion and the other end is connected to the torque sensor 41. When the rotor 2 rotates in the slurry 6, the rotor 2 is subjected to resistance during the rotation due to the viscosity of the slurry 6, and the torsion spring 42 generates a torsion moment due to one end thereof being connected to the inner wall of the hollow portion of the rotor 2 and transmits the torsion moment to the torque sensor 4 to detect the moment of the rotor 2.

Further, referring to fig. 2, the bottom of the rotor 2 is circumferentially provided with the gear teeth 21, when the rotor 2 rotates in the slurry 6, the gear teeth 21 drive the liquid to move along the tangential direction of the gear teeth 21, so that a shearing force is generated, and the shearing force is transmitted from the rotor 2 to the torsion spring 42, and then the torque is measured by the torque sensor 41. It should be noted that, the structure of the bottom of the rotor 2 is not limited to this, and a concave-convex structure may be provided at the bottom of the rotor 2 along the circumferential direction, so as to increase the resistance between the rotor 2 and the liquid, and all of them belong to the protection scope of the present disclosure.

According to some embodiments, the viscosity measuring device further comprises a data display part 3, the data display part 3 is connected with the controller, so that the data detected by the torque sensor 41 is transmitted to the data display part 3, the detection personnel can read the test data conveniently, and the data display part 3 can be an LED screen.

In an exemplary embodiment of the present disclosure, the position monitoring part 5 includes a non-contact type first level sensor movably disposed at one side of the slurry 6, and a height of an initial position of the first level sensor is the same as a liquid level height of the slurry 6. Position monitoring portion 5 is movably set up in one side of thick liquids 6, for example, set up first level sensor on the lifter that can reciprocate, be convenient for adjust first level sensor's height, make it the same with the height of thick liquids 6 liquid level, at this moment, adjust lift portion 1 through the controller, it is the same with first level sensor's height to detect the bottom of rotor 2 as first level sensor, controller control rotor 2 downstream, stretch into thick liquids 6 to predetermineeing the degree of depth, test. The initial position of rotor 2 and liquid level contact is fixed a position through position monitoring portion 5, has avoided the error that the visual observation caused, and rethread controller control rotor 2's descending height makes measuring position more accurate, and measured data is also more accurate. In particular, the first level sensor may be an infrared sensor or a laser sensor.

In another exemplary embodiment of the present disclosure, the position monitoring part 5 may further include a contact-type second liquid level sensor provided at a bottom end of the rotor 2, and the controller controls the rotor 2 to move downward to reach a preset depth into the slurry 6 when the second liquid level sensor detects that it is lowered to contact the liquid level. With this arrangement, the rotor 2 can reach the set liquid level precisely when the rotor 2 is replaced. In particular, the second liquid level sensor may be a pressure sensor.

Referring to fig. 1, the lifting unit 1 includes a liftable and lowerable frame 11, a horizontally extending support frame 12 attached to the frame 11, and a slide table 13 horizontally slidably provided on the support frame 12, and a rotor 2 rotatably provided on the slide table 13. The controller can control the rotor 2 to horizontally slide on the support frame 12, so that the rotor 2 can automatically and accurately move to the position above the slurry 6, and the operation is convenient.

In particular, the rotor 2 may be in plurality and vary in radial dimension. If the rotor 2 of selection is not suitable, the rotor 2 of other sizes is changed to accessible horizontal migration slip table 13, for example if 6 viscosity of thick liquids are great, use the less rotor 2 of radial dimension to measure accurate numerical value, movable slip table 13 changes the great rotor 2 of radial dimension and measures, when changing rotor 2, need not artifical the change or adjust the rotor, but automatic switch-over rotor 2 fixes a position, conveniently measures the 6 viscosity of thick liquids of different scopes.

Further, referring to fig. 1, the length of each rotor 2 is the same, so that the height can be precisely adjusted when the rotor 2 is replaced.

According to some embodiments, the lift 1 comprises a plurality of markings engraved on the support 11, the plurality of markings being arranged at vertical intervals. The descending height of the rotor 2 can be observed in time by detection personnel, and the detection personnel can record data conveniently.

Referring to fig. 1, the viscosity measuring device further includes a start key 31 connected to the controller, a horizontal movement key 32, a lifting key 33 and a positioning setting key 34, the start key 31 is first turned on, the viscosity measuring device starts to operate, the lifting portion 1 is adjusted by the lifting key 33 to adjust the height of the rotor 2, the rotor 2 is adjusted to be at the same horizontal height as the position monitoring portion 5, a preset height that automatically descends when the rotor 2 touches the liquid level of the slurry 6 is set by the positioning setting key, and if the selected rotor 2 is not suitable, the sliding table 13 is moved in the horizontal direction by the horizontal movement key to replace the rotor 2. Through above-mentioned technical scheme, can accurately set up the height that rotor 2 reachd thick liquids 6 in through key operation, the simple operation, data are accurate.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A viscosity measuring device, comprising:

a lifting unit (1);

a rotor (2) rotatably provided on the lifting section (1) for rotating within the slurry (6), wherein a rotation axis of the rotor (2) extends vertically;

the torque detection part (4) is connected to the rotor (2) and is used for detecting the torque generated when the rotor (2) rotates in the slurry (6);

a controller connected to the lifting unit (1), the rotor (2), and the torque detection unit (4) and configured to control the operation of the rotor (2) and the lifting unit (1); and

and the position monitoring part (5) is connected with the controller and is used for alarming when the rotor (2) contacts the slurry (6).

2. The viscosity measuring apparatus according to claim 1, wherein the rotor (2) has a hollow portion, and the torque detecting portion (4) includes a torque sensor (41) and a torsion spring (42), and one end of the torsion spring (42) is connected to an inner wall of the hollow portion and the other end is connected to the torque sensor (41).

3. A viscosity measuring device according to claim 1 or 2, wherein the bottom of the rotor (2) is provided with gear teeth (21) in the circumferential direction.

4. The viscosity measuring device according to claim 2, further comprising a data display unit (3), wherein the data display unit (3) is connected to the controller so that data detected by the torque sensor (41) is transmitted to the data display unit (3).

5. The viscosity measuring device according to claim 1, wherein the position monitoring portion (5) comprises a non-contact first level sensor movably disposed on one side of the slurry (6), and a height of an initial position of the first level sensor is the same as a liquid level of the slurry (6).

6. The viscosity measuring device according to claim 1, wherein the position monitoring portion (5) comprises a second liquid level sensor of contact type provided at a bottom end of the rotor (2).

7. The viscosity measuring apparatus according to claim 1, wherein the lifting section (1) includes a liftable and lowerable stand (11), a horizontally extending support frame (12) attached to the stand (11), and a slide table (13) provided horizontally slidably on the support frame (12), the rotor (2) being rotatably provided on the slide table (13).

8. The viscosity measuring device according to claim 7, characterized in that the rotor (2) is provided in plurality and varies in radial dimension.

9. The viscosity measuring device according to claim 8, characterized in that the length of each rotor (2) is the same.

10. The viscosity measuring device according to claim 7, wherein the lifting portion (1) includes a plurality of marks engraved on the holder (11), the plurality of marks being vertically spaced apart.