A laboratory oven

Abstract

The utility model discloses a laboratory oven, comprising a box, the interior of which is divided into an equipment room and a drying room by a partition, an alcohol concentration detector is provided on the top of the drying room, a punching support plate is provided in the drying room, an electric heater and a blower are provided in the equipment room, and an exhaust port and an air inlet are provided at the upper and lower parts of the partition respectively; the box is hinged with an oven door corresponding to the drying room, and an electric push rod for opening and closing the oven door is provided at the upper part of the box; the box is also provided with a controller, the controller is electrically connected with the electric push rod, the electric heater, the alcohol concentration detector and the blower, the alcohol concentration detector feeds back a signal to the controller, and the controller controls the electric push rod, the electric heater and the blower to start and stop. The utility model has high practicality, shortens the heating time, ensures safety, and saves energy consumption at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of ovens, in particular to an oven for laboratories. Background Art

[0002] When conducting experiments on certain chemical samples, they need to be dried. There are many samples in the laboratory every day. Each sample must be washed with a certain concentration of alcohol solution before being dried and crushed, so each sample needs to be dried in an oven. The current problem is that the sample drying time is long, usually 1-2.5 hours to meet the requirements. The main problem is that each sample contains a certain amount of alcohol. During the heating and drying process, the oven door must be opened a crack to ensure the safety of the drying process, which will cause heat loss, resulting in long drying time and long heating energy consumption time.

[0003] The patent with the authorization announcement number CN217595095U discloses a coating machine oven pressure relief device applied in the coating machine technical field, the coating machine oven pressure relief device comprises an oven body (1), an air inlet duct (2) is arranged on one side of the oven body (1), an air outlet duct (3) is arranged on the other side of the oven body (1), a pressure relief port (4) is arranged on the upper part of the oven body (1), a pressure relief plate (5) capable of shielding the pressure relief port (4) is arranged at the position of the pressure relief port (4), a base (6) is arranged on the side of one side of the pressure relief port (4), the pressure relief plate (5) is movably hinged with the connecting seat (7) through a rotating shaft (7), the pressure value is monitored by a pressure sensor, and then the pressure relief plate is opened and closed by a telescopic cylinder (10), which is unreasonable for drying samples attached with alcohol solution. If the pressure value is not reached, but the alcohol concentration exceeds the standard, it is easy to cause an explosion due to the internal high temperature, and safety cannot be guaranteed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a laboratory oven with high practicality, which not only shortens the heating time but also ensures safety and saves energy consumption, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laboratory oven, comprising a box body, the interior of the box body is divided into an equipment room and a drying room by a partition, an alcohol concentration detector is provided on the top of the drying room, a punching support plate is provided in the drying room, an electric heater and a blower are provided in the equipment room, and exhaust vents and air inlets are provided at the upper and lower parts of the partition respectively; an oven door is hingedly connected to the box body corresponding to the drying room, and an electric push rod for opening and closing the oven door is provided at the upper part of the box body; the box body is also provided with a controller, the controller is electrically connected to the electric push rod, the electric heater, the alcohol concentration detector and the blower, the alcohol concentration detector feeds back a signal to the controller, and the controller controls the start and stop of the electric push rod, the electric heater and the blower.

[0006] Preferably, a baffle is provided in the equipment room, the electric heater is correspondingly located below the baffle, the blower fan is correspondingly located above the baffle, the air intake port of the blower fan passes through the baffle and is close to the electric heater, and the air outlet of the blower fan is connected to the exhaust port through a pipe.

[0007] Preferably, a pressure relief port is provided at the upper portion of the box body corresponding to the drying chamber, and a cover plate is fastened to the pressure relief port.

[0008] Preferably, a connecting column is provided on the upper part of the oven door, the connecting column is close to the hinged end of the oven door, the electric push rod is connected to the upper part of the box body through a hinged seat, and the telescopic end of the electric push rod is rotatably connected to the connecting column through an ear seat.

[0009] Preferably, a water collection tray is provided at the bottom of the drying chamber corresponding to below the punching support plate.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the sample is placed on a punching tray, the electric heater and the blower fan are operated, the hot air dries the sample, an alcohol concentration detector is arranged in the drying chamber, and the alcohol concentration detector is interlocked with the electric push rod, the electric heater and the blower fan. When the sample is dried, the alcohol in the sample evaporates, and as the drying time accumulates, the alcohol concentration increases. When the alcohol concentration detected by the alcohol concentration detector exceeds the standard, the oven door automatically opens, and the electric heater and the blower fan automatically stop. This not only shortens the heating time, but also ensures safety, while saving energy consumption and having high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0013] In the figure: 1 box body, 2 electric push rod, 3 oven door, 4 punching support plate, 5 cover plate, 6 baffle, 7 electric heater, 8 air inlet, 9 partition, 10 water collection tray, 11 pressure relief port, 12 alcohol concentration detector, 13 exhaust port, 14 pipe, 15 blower fan. DETAILED DESCRIPTION

[0014] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

[0015] See also Figure 1-2The utility model provides a technical solution: a laboratory oven, comprising a box body 1, the interior of the box body 1 is divided into an equipment room and a drying room by a partition 9, an alcohol concentration detector 12 is provided on the top of the drying room, a punching support plate 4 is provided in the drying room, an electric heater 7 and a blower fan 15 are provided in the equipment room, and an exhaust port 13 and an air inlet 8 are provided at the upper and lower parts of the partition 9 respectively; the box body 1 is hinged with an oven door 3 corresponding to the drying room, and an electric push rod 2 for opening and closing the oven door 3 is provided at the upper part of the box body 1; the box body 1 is also provided with a controller, the controller is electrically connected with the electric push rod 2, the electric heater 7, the alcohol concentration detector 12 and the blower fan 15, the alcohol concentration detector 12 feeds back a signal to the controller, and the controller controls the start and stop of the electric push rod 2, the electric heater 7 and the blower fan 15;

[0016] The sample is placed on the punching support plate 4, and the blower fan 15 works, so that the air enters the equipment room through the air inlet 8, and then the electric heater 7 heats the air, and the blower fan 15 sends the hot air out through the exhaust port 13 to heat and dry the sample. An alcohol concentration detector 12 is set in the drying room to monitor the alcohol concentration. The alcohol concentration detector 12 is interlocked with the electric push rod 2, the electric heater 7 and the blower fan 15. When the sample is dried, the alcohol in the sample evaporates. As the drying time accumulates, the alcohol concentration increases. When the alcohol concentration detected by the alcohol concentration detector 12 exceeds the standard, the oven door 3 is automatically opened, and the electric heater 7 and the blower fan 15 are automatically stopped. If the drying effect is not ideal, the oven door 3 is closed after being opened for a period of time to emit alcohol, and then heating and drying are performed. This shortens the heating time, ensures safety, and saves energy consumption at the same time.

[0017] Further, a baffle 6 is provided in the equipment room, the electric heater 7 is correspondingly located below the baffle 6, the blower fan 15 is correspondingly located above the baffle 6, the air outlet of the blower fan 15 penetrates the baffle 6 and is close to the electric heater 7, the air outlet of the blower fan 15 is connected with the exhaust port 13 through the pipe 14, the function of the baffle 6 is to block the hot air, that is, the baffle 6 and the equipment room form a heating chamber, the air outlet of the blower fan 15 is located in the heating chamber, the blower fan 15 extracts the hot air and sends the hot air from the exhaust port 13 to the drying room through the pipe 14;

[0018] Furthermore, a pressure relief port 11 is provided at the upper portion of the box body 1 corresponding to the drying chamber, and a cover plate 5 is fastened to the pressure relief port 11 for emergency pressure relief to avoid fire and explosion accidents caused by overpressure in the drying chamber, thereby ensuring safe and reliable operation;

[0019] In addition, a connecting column is provided on the upper part of the oven door 3, and the connecting column is close to the hinged end of the oven door 3. The electric push rod 2 is connected to the upper part of the box body 1 through a hinge seat, and the telescopic end of the electric push rod 2 is rotatably connected to the connecting column through an ear seat; a water collection tray 10 is provided at the bottom of the drying chamber corresponding to the bottom of the perforated support plate 4 to collect the solution dripped from the sample to avoid contamination.

[0020] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended to include all changes that fall within the meaning and scope of equivalent elements in the content of the present invention.

Claims

1. A laboratory oven, comprising a housing (1), characterized in that: The interior of the box (1) is divided into an equipment room and a drying room by a partition (9); an alcohol concentration detector (12) is provided on the top of the drying room; a punching support plate (4) is provided in the drying room; an electric heater (7) and a blower fan (15) are provided in the equipment room; and an exhaust port (13) and an air inlet (8) are provided at the upper and lower parts of the partition (9) respectively; an oven door (3) is hingedly connected to the box (1) corresponding to the drying room; an electric push rod (2) for opening and closing the oven door (3) is provided at the upper part of the box (1); the box (1) is also provided with a controller, the controller is electrically connected to the electric push rod (2), the electric heater (7), the alcohol concentration detector (12) and the blower fan (15); the alcohol concentration detector (12) feeds back a signal to the controller, and the controller controls the start and stop of the electric push rod (2), the electric heater (7) and the blower fan (15).

2. A laboratory oven according to claim 1, characterized in that: A baffle (6) is provided in the equipment room, the electric heater (7) is correspondingly located below the baffle (6), the blower fan (15) is correspondingly located above the baffle (6), the air outlet of the blower fan (15) passes through the baffle (6) and is close to the electric heater (7), and the air outlet of the blower fan (15) is connected to the exhaust port (13) through a pipe (14).

3. A laboratory oven according to claim 1, characterized in that: A pressure relief port (11) is provided at the upper portion of the box body (1) corresponding to the drying chamber, and a cover plate (5) is fastened to the pressure relief port (11).

4. A laboratory oven according to claim 1, characterized in that: A connecting column is provided on the upper part of the oven door (3), the connecting column being close to the hinged end of the oven door (3); the electric push rod (2) is connected to the upper part of the box body (1) via a hinged seat; and the telescopic end of the electric push rod (2) is rotatably connected to the connecting column via an ear seat.

5. A laboratory oven according to claim 1, characterized in that: A water collection tray (10) is provided at the bottom of the drying chamber, corresponding to the bottom of the punching support plate (4).

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