CN210773106U

CN210773106U - Contain OLED screen and vacuum drying oven that can weigh in real time

Info

Publication number: CN210773106U
Application number: CN201921217738.8U
Authority: CN
Inventors: 黄泽柱; 李瑶
Original assignee: Suzhou Aowei Optical And Electronic New Materials Co ltd
Current assignee: Suzhou Aowei Optical And Electronic New Materials Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-16
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a vacuum drying oven containing an OLED screen and capable of weighing in real time, which comprises a box body provided with a drying chamber, a box door hinged on the box body, a heating assembly arranged in the drying chamber and a vacuum pump for vacuumizing, wherein the drying chamber is connected with the vacuum pump through a gas pipe; the box body is internally provided with a heat insulation plate A which divides the drying chamber into a working chamber and a measuring chamber which are distributed up and down, and the working chamber is internally provided with a heating assembly, a temperature sensor, a vacuum degree sensor and a material tray; a weighing device is arranged in the measuring cavity, and the material tray is connected with the weighing device through a supporting rod; the box body is provided with a control cavity separated from the drying cavity in a heat insulation mode, an FX series PLC connected with the heating assembly, the temperature sensor and the vacuum degree sensor is arranged in the control cavity, and the control cavity is provided with a key and an OLED screen connected with the FX series PLC. The OLED screen is used as a display screen for displaying specific vacuum degree values, temperature values and real-time weight, and the chance that materials are in contact with the outside is reduced.

Description

Contain OLED screen and vacuum drying oven that can weigh in real time

Technical Field

The utility model relates to a drying cabinet technical field especially relates to a contain OLED screen and can real-time vacuum drying cabinet who weighs.

Background

The vacuum drying has the advantages of low drying temperature, high drying speed, difficult deterioration of dried articles and the like, is suitable for drying various materials and articles, is a vacuum drying oven which is the most common device for vacuum drying, is widely applied to the application fields of chemical and pharmaceutical industry, medical treatment and health, agricultural scientific research, environmental protection, electronics and the like, is suitable for powder drying, baking, disinfection or drying treatment of various glass containers or other articles and surface treatment of electronic products, and has relatively low equipment cost, so the vacuum drying oven has wide application in the industries of chemical industry, food industry, pharmaceutical industry and the like.

The existing vacuum drying oven generally comprises an oven body provided with a drying chamber, an oven door hinged to the oven body, a heating assembly arranged in the drying chamber and a vacuum pump for vacuumizing, wherein the drying chamber is connected with the vacuum pump through a gas conveying pipe. The existing vacuum drying box adopts a vacuum meter to display the vacuum degree, a liquid crystal screen to display the temperature value, the vision is poor, and the vacuum degree and the temperature value can be seen only before the box body; in addition, the materials are not weighed in real time, whether the materials baked in the materials are completely baked or not is not known, the materials are taken out and baked for several hours each time, and the materials are easy to pollute.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a vacuum drying oven who contains OLED screen and can weigh in real time adopts OLED screen as the display screen for show concrete vacuum numerical value, temperature value and real-time weight.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a vacuum drying oven containing an OLED screen and capable of weighing in real time comprises an oven body provided with a drying chamber, an oven door hinged to the oven body, a heating assembly arranged in the drying chamber and a vacuum pump for vacuumizing, wherein the drying chamber is connected with the vacuum pump through a gas conveying pipe; the method is characterized in that: the box body is internally provided with a heat insulation plate A which divides the drying chamber into a working chamber and a measuring chamber which are distributed up and down; a heating assembly, a temperature sensor, a vacuum degree sensor and a centrally arranged material tray are arranged in the working chamber; a weighing device is arranged in the measuring cavity, and the material tray is connected with the weighing device through a supporting rod; the box body is further provided with a control cavity separated from the drying cavity in a heat insulation mode, an FX series PLC connected with the heating assembly, the temperature sensor and the vacuum degree sensor is arranged in the control cavity, and the control cavity is provided with a key and an OLED screen which are connected with the FX series PLC.

The FX series PLC receives a key signal received by a key, a temperature signal detected by the temperature sensor and a vacuum degree signal detected by the vacuum degree sensor, and displays a detected vacuum degree value, a detected temperature value and a detected real-time weight on the OLED screen, and the OLED screen actively emits light, so that the color is bright and 180-degree vision can be seen for display. In this embodiment, on the box body corresponding to the control chamber, the screen ratio of the OLED is between 70 ° and 80 °, which is convenient for people to observe and obtain related data information.

Furthermore, the side wall of the box body, which is positioned at the outer side of the drying chamber, consists of an inner wall and an outer wall which are distributed at intervals, and a through hole for wiring is formed between a cavity between the inner wall and the outer wall and the control chamber; the inner wall is made of heat insulating materials, and a temperature sensor and a vacuum degree sensor are embedded in the inner wall. Therefore, heat can not be directly transferred to the outer wall, so that the outer wall can not be very hot and is in a normal temperature state, and the device is convenient for personnel to carry and avoids scalding. The application of the cavity can facilitate wiring. Meanwhile, in the embodiment, the outer wall can be detached and is installed on the box body through clamping connection or threaded connection.

Further, heating element is the hot plate, the hot plate sets up on the inner wall, and the hot plate passes through the relay to be connected with FX series PLC, is convenient for control the temperature in the drying chamber.

Further, the weighing device adopts a high-precision electronic balance or a weighing sensor.

Preferably, the electronic balance is centrally located within the measurement chamber and is connected to the FX series PLC via the FX-232BD module, so that the FX series PLC can read the weight information measured by the electronic balance in real time.

Preferably, the number of the weighing sensors is four, and the weighing sensors are distributed in the measuring chamber in a rectangular shape; the bottom of the supporting rod is provided with four supporting plates, and each supporting plate is placed on the weighing sensor. Thus, the FX series PLC can read the weight information measured by the electronic balance in real time.

Compared with the prior art, the utility model adopts a novel OLED screen as the display screen, because the OLED screen is actively luminous, the color is bright and 180 visual sense can be seen to display, and the specific vacuum degree value, temperature value and real-time weight can be displayed on the display screen; the weighing machine can weigh in real time, and the chance of contacting the material with the outside is reduced.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the box body in the embodiment of the present invention.

Fig. 3 is a schematic perspective view of another embodiment of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached

drawings

1 and 2, the vacuum drying oven with the OLED screen and capable of weighing in real time in the embodiment includes an oven body 1 with a drying chamber, an oven door 2 hinged to the oven body 1, a heating assembly arranged in the drying chamber, and a vacuum pump 3 for vacuumizing, wherein the drying chamber is connected with the vacuum pump 3 through a gas pipe 4.

The box body 1 is internally provided with a heat insulation plate A11 which divides the drying chamber into a working chamber 12 and a measuring chamber 13 which are distributed up and down; a heating assembly 14, a temperature sensor 15, a vacuum degree sensor 16 and a centrally arranged material tray 51 are arranged in the working chamber 12; a weighing device 52 is arranged in the measuring chamber 13, and the material tray 51 is connected with the weighing device 52 through a support rod 53; the box body 1 is further provided with a control cavity separated from the drying cavity in a heat insulation mode, an FX series PLC9 connected with a heating assembly 14, a temperature sensor 15 and a vacuum degree sensor 16 is arranged in the control cavity, and a key 7 connected with the FX series PLC9 and an OLED screen 6 are arranged on the control cavity (the PLC runs an RS232 interface and drives the OLED screen through an MODBUS bus).

In this embodiment, the side wall of the box 1 located outside the drying chamber is composed of an inner wall 17 and an outer wall 18 which are distributed at intervals, and a through hole for wiring is provided between the cavity 19 between the inner wall 17 and the outer wall 18 and the control chamber 91; the inner wall 17 is made of a heat insulating material, and the temperature sensor 15 and the vacuum degree sensor 16 are embedded in the inner wall 17. Therefore, heat can not be directly transferred to the outer wall, so that the outer wall can not be very hot and is in a normal temperature state, and the device is convenient for personnel to carry and avoids scalding. The use of the cavity 19 facilitates wiring. Meanwhile, in the embodiment, the outer wall can be detached and is installed on the box body through clamping connection or threaded connection.

In this embodiment, the heating assembly 14 is a heating plate, the heating plate 14 is disposed on the inner wall, and the heating plate is connected to the FX series PLC9 through a relay to control the temperature in the drying chamber.

In the present embodiment, the weighing device 52 uses two types of high-precision electronic balances or load cells for weighing.

When an electronic balance is used, the electronic balance is centrally located within the measurement chamber 13 and is connected to the FX series PLC via the FX-232BD module (see hundred degree library, PLC for implementation of electronic balance data acquisition) so that the FX series PLC9 can read in real time the weight information measured by the electronic balance.

Preferably, the number of the weighing sensors is four, and the weighing sensors are distributed in the measuring chamber 13 in a rectangular shape; the bottom of the support bar 53 has four support plates, each of which is placed on the load cell, which is connected to the FX series PLC9, so that the FX series PLC9 can read the weight information measured by the electronic balance in real time.

In this embodiment, the FX series PLC receives a key signal received by the key, a temperature signal detected by the temperature sensor, and a vacuum signal detected by the vacuum sensor, and displays a detected vacuum value, a detected temperature value, and a detected real-time weight on the OLED screen, because the OLED screen is actively luminous, the color is bright and 180 visual displays can be seen, and the OLED screen can display a specific vacuum value, a specific temperature value, and a real-time weight. Meanwhile, the personnel can observe and acquire related data information conveniently, and the screen occupation ratio of the OLED screen on the box body corresponding to the control cavity is between 70 and 80 degrees.

The structure of the vacuum drying oven in this embodiment may be of the type shown in fig. 3, in addition to the type shown in fig. 1.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A vacuum drying oven containing an OLED screen and capable of weighing in real time comprises an oven body provided with a drying chamber, an oven door hinged to the oven body, a heating assembly arranged in the drying chamber and a vacuum pump for vacuumizing, wherein the drying chamber is connected with the vacuum pump through a gas conveying pipe; the method is characterized in that: the box body is internally provided with a heat insulation plate A which divides the drying chamber into a working chamber and a measuring chamber which are distributed up and down; a heating assembly, a temperature sensor, a vacuum degree sensor and a centrally arranged material tray are arranged in the working chamber; a weighing device is arranged in the measuring cavity, and the material tray is connected with the weighing device through a supporting rod; the box body is also provided with a control cavity separated from the drying cavity in a heat insulation manner, an FX series PLC connected with the heating assembly, the temperature sensor and the vacuum degree sensor is arranged in the control cavity, and the box body corresponding to the control cavity is provided with a key and an OLED screen connected with the FX series PLC.

2. The vacuum drying oven containing the OLED screen and capable of weighing in real time as claimed in claim 1, wherein: and the screen occupation ratio of the OLED is between 70 and 80 degrees on the box body corresponding to the control chamber.

3. The vacuum drying oven containing the OLED screen and capable of weighing in real time as claimed in claim 1, wherein: the side wall of the box body, which is positioned at the outer side of the drying chamber, consists of an inner wall and an outer wall which are distributed at intervals, and a through hole for wiring is formed between a cavity between the inner wall and the outer wall and the control chamber; the inner wall is made of heat insulating materials, and a temperature sensor and a vacuum degree sensor are embedded in the inner wall.

4. The vacuum drying oven containing the OLED screen and capable of weighing in real time as claimed in claim 3, wherein: the heating assembly is a heating plate, and the heating plate is arranged on the inner wall.

5. The vacuum drying oven containing the OLED screen and capable of weighing in real time as claimed in claim 1, wherein: the weighing device adopts a high-precision electronic balance or a weighing sensor.

6. The vacuum drying oven containing the OLED screen and capable of weighing in real time as claimed in claim 5, wherein: the electronic balance is centrally located within the measurement chamber and is connected to the FX series PLC via the FX-232BD module.

7. The vacuum drying oven containing the OLED screen and capable of weighing in real time as claimed in claim 5, wherein: the number of the weighing sensors is four, and the weighing sensors are distributed in the measuring cavity in a rectangular shape; the bottom of the supporting rod is provided with four supporting plates, and each supporting plate is placed on the weighing sensor.