CN107572152A - A kind of fluid storage device - Google Patents

Abstract

The invention provides a liquid storage device, comprising: a box body, the box body has a first cavity, and the first cavity body is used to store working liquid; a driving part arranged outside the box body; The cleaning brush inside the box; the cleaning brush is magnetic, and the driving part is used to generate a magnetic force to drive the cleaning brush to clean the inner wall of the first cavity; the processor is used to clean the inner wall of the first cavity when necessary When the first chamber is cleaned, the driving part is controlled to work. The liquid storage device provided by the embodiment of the present invention can clean the cavity storing the working liquid by magnetically driving the internal cleaning brush. Since no manual operation is required, it is especially suitable for use in equipment with a narrow operating space and has high practicability .

Description

a liquid storage device

technical field

The invention relates to the field of display production equipment, in particular to a liquid storage device.

Background technique

Thin film transistor liquid crystal display (TFT-LCD) is the most popular display device at present, and the liquid storage tank Tank is an important part of the TFT-LCD process functional liquid equipment, usually located at the bottom of the equipment. Its main function is to store the stock solution supplied by CCSS (Central Chemical Substance Supply System), provide working fluid to the equipment Chamber (cavity) when the equipment is running, and provide reliable guarantee for the continuous operation of the equipment.

As the use time increases, stains will remain on the inner wall of the Tank, which will easily cause uneven working fluid and lead to a decrease in the yield of the display product produced. However, the working space at the bottom of the current TFT-LCD process functional liquid equipment is narrow, and the tank is large in size, so it is difficult for the staff to clean the inner wall of the tank manually.

In view of this, there is an urgent need for a liquid storage device with a self-cleaning function.

Contents of the invention

The purpose of the present invention is to provide a liquid storage device that can realize self-cleaning, so that it is suitable for use in equipment with a narrow working space.

To achieve the above object, on the one hand, an embodiment of the present invention provides a liquid storage device, comprising:

a box body, the box body has a first cavity, and the first cavity is used to store working liquid;

a driving part arranged outside the box;

a cleaning brush arranged inside the box;

The cleaning brush has magnetism, and the driving part is used to generate a magnetic force to drive the cleaning brush to clean the inner wall of the first cavity;

The processor is configured to control the driving part to work when the first cavity needs to be cleaned.

Wherein, the drive unit includes:

a motor and a magnetic head arranged on the rotation shaft of said motor;

One end of the cleaning brush is magnetic, and is indirectly connected to the magnetic head through the box through magnetic force;

The processor is used to control the rotation of the motor to drive the rotation of the magnetic head. When the magnetic head rotates, the cleaning brush is linked with the magnetic head to clean the inner wall of the first cavity.

Wherein, the processor is further configured to: when it is judged that the first cavity needs to be cleaned, send a control signal to the magnetic head, and the magnetic head generates a magnetic force based on the control signal.

Wherein, the moving part arranged outside the box is used to move the position of the driving part on the box;

The processor is also used to: control the moving part to move the driving part, so that the magnetic force generated by the driving part drives the cleaning brush to move in the first cavity, thereby changing the cleaning brush Corresponding to the cleaning position and/or the pressing amount of the brush in the first cavity.

Wherein, the box body also includes:

a second cavity communicating with the first cavity, and a gate controlling the communication between the first cavity and the second cavity or sealing and blocking;

The processor is further configured to, when it is judged that the cleaning of the first cavity is completed, control the moving part to move the driving part so that the cleaning brush is located in the second cavity, and then control the The gate blocks the first cavity and the second cavity, so that the cleaning brush is sealed and placed in the second cavity.

Wherein, the processor is further configured to: when it is judged that the first cavity needs to be cleaned, control the gate to connect the first cavity and the second cavity, and control the moving part to clean the first cavity. The driving part moves, so that the cleaning brush moves from the second cavity into the first cavity.

Wherein, the first cleaning liquid pipeline located in the first cavity, and the first spray head arranged on the first cleaning liquid pipeline;

The processor is also used to:

When it is judged that the first cavity needs to be cleaned, control the first cleaning liquid pipeline to deliver the first cleaning liquid to the first spray head, so that the first spray head sends the first cleaning liquid to the first cavity Body spray.

Wherein, the liquid storage device also includes:

a first sewage pipeline connected to the bottom of the first cavity and a first valve for controlling conduction or blocking of the first sewage pipeline;

The processor is further configured to: when it is judged that the cleaning of the first cavity is completed, open the first valve, so that the first sewage pipeline can clean the first cleaning solution deposited in the first cavity. emission.

Wherein, the second cleaning liquid pipeline located in the second cavity, and the second spray head arranged on the second cleaning liquid pipeline;

The processor is also used to:

When the cleaning brush is sealed and placed in the second cavity and it is judged that the cleaning brush needs to be cleaned, the second cleaning liquid pipeline is controlled to deliver the second cleaning liquid to the second nozzle, so that the first The second spray head sprays the second cleaning solution to the cleaning brush.

Wherein, the liquid storage device also includes:

A second blowdown pipeline connected to the bottom of the second cavity and a second valve for controlling the conduction or blocking of the second blowdown pipeline;

The processor is further configured to: when it is judged that the cleaning of the cleaning brush is completed, open the second valve, so that the second sewage pipeline discharges the second cleaning liquid deposited in the second cavity.

Said scheme of the present invention has following beneficial effect:

The liquid storage device provided by the embodiment of the present invention can clean the cavity storing the working liquid by magnetically driving the cleaning brush inside the box. Since it does not require manual operation, it is especially suitable for installation on equipment with a narrow operating space, so it has great advantages. High practicality.

Description of drawings

Fig. 1 is a schematic structural diagram of a liquid storage device provided by an embodiment of the present invention;

2 to 4 are schematic diagrams of the detailed structure of the liquid storage device provided by the embodiment of the present invention.

detailed description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments. In the following description, specific details, such as specific configurations and components, are provided only to assist in a comprehensive understanding of the embodiments of the present invention. Accordingly, those of ordinary skill in the art should recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

It should be understood that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic related to the embodiment is included in at least one embodiment of the present invention. Thus, appearances of "in one embodiment" or "in an embodiment" in various places throughout the specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments.

The invention provides a solution to the problem that the liquid storage box of the existing TFT-LCD process functional liquid equipment is not easy to clean.

On the one hand, an embodiment of the present invention provides a liquid storage device, as shown in FIG. 1 , comprising:

Box 1, the box 1 has a first cavity 11, the first cavity 11 is used to store the working liquid, the working liquid can be the stock solution required for making the product, and the present invention does not limit the specific composition of the working liquid;

The driving part 2 arranged outside the box;

A cleaning brush 3 arranged inside the box;

Wherein, the cleaning brush 3 has magnetism, and the driving part 2 is used to generate a magnetic force to drive the cleaning brush 3 to clean the inner wall of the first cavity 11;

The processor 4 is used to control the driving part 2 to work when the first cavity 11 needs to be cleaned.

The liquid storage device of this embodiment can clean the cavity storing the working liquid by magnetically driving the cleaning brush inside the box. Since it does not require manual operation, it is especially suitable for installation on equipment with a narrow operating space, so it has a high practicality.

The liquid storage device of this embodiment will be described in detail below in combination with implementation modes.

As shown in Figures 1 to 4, the driving part 2 of the liquid storage device in this embodiment includes:

A motor 21 and a magnetic head 22 arranged on the rotating shaft of the motor;

Wherein, one end of the cleaning brush 3 is magnetic, and is indirectly connected with the magnetic head 22 through the casing 1 through magnetic force;

The processor is used to control the rotation of the motor 21 to drive the rotation of the magnetic head 22. When the magnetic head 22 rotates, the cleaning brush and the magnetic head 22 are kept linked to clean the inner wall of the first cavity 11 in a rolling brush manner.

Apparently, through the indirect control of the cleaning brush 3 by the magnetic force, the inner wall of the first cavity 11 can be cleaned without opening the box, so it is very convenient.

In practical application, the first section of the cleaning brush 3 in this embodiment can be made of magnetic material, or a magnetic device can be fixed directly, so as to realize linkage with the magnetic head 22 .

Further, the above-mentioned processor in this embodiment is also used for: when it is judged that the first cavity 11 needs to be cleaned, send a control signal to the magnetic head 22, and the magnetic head 22 generates a magnetic force based on the control signal.

In practical applications, this embodiment can realize the control of the cleaning brush 3 according to the control signal, such as picking up or putting down the cleaning brush 3 and other operations, and for example controlling the strength of the magnetic force generated by the magnetic head 22 .

In addition, the liquid storage device of this embodiment can also clean the inner walls of the first cavity 11 at different positions to different degrees. That is, the liquid storage device of this embodiment also includes:

The moving part 5 arranged outside the box body 1 is used to move the position of the driving part 2 (including the motor 11 and the magnetic head 22) on the box body 1;

Corresponding to the moving part 5, the processor of this embodiment is also used to: control the moving part 5 to move the driving part 2, so that the magnetic force generated by the driving part 2 drives the cleaning brush 3 to move in the first cavity 11, and then Change the cleaning position of the cleaning brush 3 corresponding to the first cavity 11 and/or the pressing amount of the brush.

As an exemplary introduction, most of the box structures are rectangular, so in this embodiment, one corner of the inner wall of the box 1 can be selected as the origin to establish a direct coordinate system. As shown in FIG. 2 , it is assumed that a rectangular coordinate system includes an x-axis and a y-axis. Then the processor 4 can precisely move the position of the cleaning brush 3 through the moving part 52 based on the coordinate parameters, thereby changing the cleaning position. At the same time, the processor 4 can control the moving part 5 to move the cleaning brush 3 based on the coordinate parameters to change the distance between the cleaning brush 3 and the inner wall of the first cavity 11, thereby adjusting the brush pressing amount of the cleaning brush 3 to achieve different Powerful cleaning effect.

In practical application, the moving part 5 of this embodiment can have multiple implementations, for example: the moving part 5 can be a guide rail structure arranged on the box body 1, and the driving part 2 is arranged on the guide rail structure, and can move along the guide rail structure Or the moving part 5 can also be a manipulator, and the manipulator directly moves the position of the driving part 2 on the box body 1 based on the pre-stored control program. Since the implementation methods are different, this article will not give examples one by one.

In addition, on the basis of the above, as a preferred solution, this embodiment can also set no less than one weighing part at the bottom of the box body 1, the weighing part is evenly distributed on the bottom of the inner wall of the first cavity 11, and is located at Outside the box 1, the weight of different positions on the inner wall of the first cavity 11 can be detected to generate weighing data.

Correspondingly, the processor 4 compares the weighing data with a preset threshold to determine which positions on the inner wall of the first cavity 11 have residues, and then the processor 4 moves the cleaning brush 3 through the moving part 5 to The location of the residue is cleaned.

During the cleaning process, the processor 4 can internally store different cleaning power levels, and each cleaning power level corresponds to a different distance between the cleaning brush 3 and the inner wall of the first cavity 11. When the cleaning is completed, if the subsequent If the weighing data still indicates that there is residue, then change a level of cleaning intensity, thereby reducing the distance between the cleaning position of the cleaning brush 3 and the inner wall of the first cavity 11, so as to improve the brush pressing amount of the cleaning brush 3, thereby Wash again with stronger cleaning power.

In addition, in order to reduce the opening frequency of the box body 1, the liquid storage device of this embodiment can keep the cleaning brush 3 inside the box body 1 all the time, that is, the box body 1 of this embodiment also includes:

A second cavity 12 communicating with the first cavity 11, and a gate 13 controlling the communication between the first cavity 11 and the second cavity 12 or sealing and blocking;

The processor of this embodiment is also used to control the moving part 5 to move the driving part 2 when it is judged that the cleaning of the first cavity 11 is completed, so that the cleaning brush 3 is located in the second cavity 12, and then control the gate 13 to block The first cavity 11 and the second cavity 12 are disconnected, so that the cleaning brush 3 is sealed and placed in the second cavity 12 .

Based on the above design, when the liquid storage device is working normally, the cleaning brush 3 will be sealed and placed in the second cavity 12, thereby avoiding contact with the working liquid in the first cavity 11, and preventing the working liquid from causing damage to the cleaning brush 3. pollute.

In addition, the processor 4 is also used for: when it is judged that the first cavity 11 needs to be cleaned, the control gate 13 communicates the first cavity 11 and the second cavity 12, and controls the moving part 5 to move the driving part 2, so that The cleaning brush moves from the second cavity 12 into the first cavity 11, and performs subsequent cleaning work on the first cavity 11.

In addition, on the basis of the above, as a preferred solution, the liquid storage device of this embodiment further includes:

A first cleaning liquid pipeline 111 located in the first cavity 11, and a first spray head 112 arranged on the first cleaning liquid pipeline 111;

The processor is also used to: when it is judged that the first cavity 11 needs to be cleaned, control the first cleaning liquid pipe 111 to deliver the first cleaning liquid to the first spray head 112, so that the first spray head 112 sends the first cleaning liquid to the first cavity Spray in body 11.

In practical applications, the above-mentioned first cleaning liquid may be a liquid capable of dissolving residues produced by the working liquid, so that the cleaning brush 3 can clean the first cavity 11 more effectively based on the first cleaning liquid.

Based on the above, the liquid storage device of this embodiment also includes:

The first sewage pipeline 113 connected to the bottom of the first cavity 11 and the first valve (not shown in the drawings) controlling the conduction or blocking of the first sewage pipeline 113;

The processor 4 is further configured to: when it is judged that the cleaning of the first cavity 11 is completed, open the first valve so as to conduct the first sewage pipeline 113 to discharge the first cleaning liquid deposited in the first cavity 11 .

Apparently, based on the above design, it can be ensured that the liquid storage device does not need to open the tank during the process of supplying the working liquid and cleaning, thereby bringing about extremely high use efficiency.

Similarly, the liquid storage device of this embodiment can also clean the cleaning brush 3 to ensure the cleaning effect. That is, the liquid storage device of this embodiment also includes:

A second cleaning liquid pipeline 121 located in the second cavity 12, and a second spray head 122 arranged on the second cleaning liquid pipeline 121;

The processor 4 is also used to control the second cleaning liquid pipeline 121 to deliver the second cleaning liquid to the second spray head 122 when the cleaning brush 3 is sealed and placed in the second cavity 12 and it is judged that the cleaning brush 3 needs to be cleaned. The second spray head 122 sprays the second cleaning liquid to the cleaning brush 3 to clean the cleaning brush 3 .

In practical applications, the above-mentioned second cleaning solution may be able to dissolve residues deposited by the cleaning brush 3 when cleaning the first cavity 11 .

Based on the above design, it can be known that the cleaning process of the cleaning brush 3 in this embodiment is carried out when the cleaning brush 3 is sealed and stored in the second cavity 12, so the cleaning process of the cleaning brush 3 will not affect the cleaning process of the cleaning brush 3. In normal use of the first cavity 11 , that is, the liquid storage device of this embodiment can provide working liquid through the first cavity 11 and at the same time clean the cleaning brush 3 through the second cavity 12 .

Correspondingly, the liquid storage device of this embodiment further includes:

The second sewage pipeline 123 connected to the bottom of the second cavity 12 and the second valve (not shown in the figure) that controls the conduction or blocking of the second sewage pipeline 123;

The processor 4 is further configured to: when it is judged that the cleaning of the cleaning brush 3 is completed, open the second valve, so that the second sewage pipeline 123 discharges the second cleaning liquid deposited in the second cavity 12 .

The above is the introduction of the liquid storage device of this embodiment in practical application. It can be seen that the liquid storage device of this embodiment is equipped with components such as a motor, a magnetic head, and a cleaning brush. The rotation of the magnetic head on the motor drives the rotation of the cleaning brush inside the box. To achieve the purpose of cleaning the inner wall; for stubborn stains, it can be removed by increasing the amount of brush pressing and cleaning agent; after cleaning inside the box, the cleaning brush is placed in the second cavity for storage and cleaning, so as to Prepare for next use.

It can be seen that the liquid storage device of this embodiment can realize the automatic cleaning of the first cavity and the cleaning of the cleaning brush through the cleaning brush, and these two cleaning processes do not need to unpack the box, so the operation It brings great convenience to personnel. At the same time, in the process of cleaning the cleaning brush, it does not affect the normal supply of working fluid from the box, so the use efficiency of the box is also greatly improved. After practice, it is found that after the liquid storage device of this embodiment is used as the Tank of the TFT-LCD process functional liquid equipment, the operating rate of the TFT-LCD process functional liquid equipment can be significantly improved, and the production efficiency of display products is improved. Therefore, for For manufacturers, it has high practical value.

The above description is a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by those skilled in the art to which the present invention belongs. The use of "comprising" and other similar words in the present disclosure means that the elements or things appearing before the word include the elements or things listed after the word and their equivalents, without excluding other elements or things. Moreover, the "control signals" and "weighing data" used between the above components are not limited to the interaction between these components through physical connections, but also through indirect connections.

Claims (10)

1. A liquid storage device, characterized in that, comprising: a box body, the box body has a first cavity, and the first cavity is used to store working liquid; a driving part arranged outside the box; a cleaning brush arranged inside the box; The cleaning brush has magnetism, and the driving part is used to generate a magnetic force to drive the cleaning brush to clean the inner wall of the first cavity; The processor is configured to control the driving part to work when the first cavity needs to be cleaned. 2. The liquid storage device of claim 1, wherein: The drive unit includes: a motor and a magnetic head arranged on the rotation shaft of said motor; One end of the cleaning brush is magnetic, and is indirectly connected to the magnetic head through the box through magnetic force; The processor is used to control the rotation of the motor to drive the rotation of the magnetic head. When the magnetic head rotates, the cleaning brush is linked with the magnetic head to clean the inner wall of the first cavity. 3. The liquid storage device of claim 2, wherein: The processor is further configured to: when it is judged that the first cavity needs to be cleaned, send a control signal to the magnetic head, and the magnetic head generates a magnetic force based on the control signal. 4. The liquid storage device of claim 1, wherein: a moving part arranged outside the box, used to move the position of the driving part on the box; The processor is also used to: control the moving part to move the driving part, so that the magnetic force generated by the driving part drives the cleaning brush to move in the first cavity, thereby changing the cleaning brush Corresponding to the cleaning position and/or the pressing amount of the brush in the first cavity. 5. The liquid storage device of claim 4, wherein: The box also includes: a second cavity communicating with the first cavity, and a gate controlling the communication between the first cavity and the second cavity or sealing and blocking; The processor is further configured to, when it is judged that the cleaning of the first cavity is completed, control the moving part to move the driving part so that the cleaning brush is located in the second cavity, and then control the The gate blocks the first cavity and the second cavity, so that the cleaning brush is sealed and placed in the second cavity. 6. The liquid storage device of claim 5, wherein: The processor is further configured to: when it is judged that the first cavity needs to be cleaned, control the gate to communicate with the first cavity and the second cavity, and control the moving part to drive the The part moves so that the cleaning brush moves from the second cavity into the first cavity. 7. The liquid storage device of claim 1, wherein: a first cleaning liquid pipeline located in the first cavity, and a first spray head arranged on the first cleaning liquid pipeline; The processor is also used to: When it is judged that the first cavity needs to be cleaned, control the first cleaning liquid pipeline to deliver the first cleaning liquid to the first spray head, so that the first spray head sends the first cleaning liquid to the first cavity Body spray. 8. The liquid storage device of claim 7, further comprising: a first sewage pipeline connected to the bottom of the first cavity and a first valve for controlling conduction or blocking of the first sewage pipeline; The processor is further configured to: when it is judged that the cleaning of the first cavity is completed, open the first valve, so that the first sewage pipeline can clean the first cleaning solution deposited in the first cavity. emission. 9. The liquid storage device of claim 5, wherein: a second cleaning liquid pipeline located in the second cavity, and a second spray head arranged on the second cleaning liquid pipeline; The processor is also used to: When the cleaning brush is sealed and placed in the second cavity and it is judged that the cleaning brush needs to be cleaned, the second cleaning liquid pipeline is controlled to deliver the second cleaning liquid to the second nozzle, so that the first The second spray head sprays the second cleaning solution to the cleaning brush. 10. The liquid storage device of claim 9, further comprising: A second blowdown pipeline connected to the bottom of the second cavity and a second valve for controlling the conduction or blocking of the second blowdown pipeline; The processor is further configured to: when it is judged that the cleaning of the cleaning brush is completed, open the second valve, so that the second sewage pipeline discharges the second cleaning liquid deposited in the second cavity.