CN221146804U

CN221146804U - Gas heating device

Info

Publication number: CN221146804U
Application number: CN202323062826.4U
Authority: CN
Inventors: 黄群山; 黄纯珠
Original assignee: Guangzhou Xincheng Biotechnology Co ltd
Current assignee: Guangzhou Xincheng Biotechnology Co ltd
Priority date: 2023-11-14
Filing date: 2023-11-14
Publication date: 2024-06-14
Anticipated expiration: 2033-11-14

Abstract

The utility model discloses a gas heating device which comprises a box body, wherein two ends of the box body are respectively provided with a gas inlet and a gas outlet, the gas inlet and the gas outlet are detachably connected with a gas pipe elbow, a heating element is arranged in the box body and comprises a heating wire and a fixing plate, the fixing plate is arranged in the box body, and the heating wire is wound on the outer side of the fixing plate. According to the utility model, the heating wire is fixed in the box body through the fixing plate, so that the introduced air can be fully contacted with the heating wire, the heating is more uniform, and the heating effect is better.

Description

Gas heating device

Technical Field

The disclosure relates to the technical field of heating equipment, in particular to a gas heating device.

Background

The nitrogen blow dryer is equipment for blowing nitrogen into the surface of a heated sample to concentrate the sample, has the characteristics of time saving, convenient operation, easy control and the like, and can quickly obtain the expected result. The method is widely applied to industries such as pesticide residue analysis, commercial inspection, food, environment, pharmacy, biological products and the like and sample preparation in liquid phase, gas phase and mass spectrometry.

In the use of the nitrogen blow-drying device, the gas needs to be heated first and then concentrated after being split, the gas is heated and warmed by the traditional gas heating device through a box-shaped heater, and the heating wire is embedded on the side wall of the box body by the traditional gas heating device, so that the gas heating effect close to the side wall of the box body is better than that of the gas passing through the middle, and the temperature of the gas is uneven.

Disclosure of utility model

The present disclosure provides a gas heating device to solve one of the technical problems recognized by the inventors.

The utility model provides a gas heating device, the power distribution box comprises a box body, air inlet and gas outlet have been seted up respectively at the both ends of box body, air inlet and gas outlet can be dismantled and be connected with the trachea elbow, be provided with heating element in the box body, heating element includes heater strip and fixed plate, the fixed plate set up in the box body, the heater strip is around locating the outside of fixed plate.

Preferably, the two fixing plates are arranged in a staggered manner, and the cross section of the two combined fixing plates is of a cross-shaped structure.

Preferably, a temperature control switch is fixedly connected to the fixing plate and electrically connected with the heating wire, a wiring hole is formed in the side face of the box body, and the temperature control switch penetrates through the wiring hole through a wire to be connected with external equipment.

Preferably, the box body comprises a first box body and a second box body, the first box body and the second box body are fixedly connected through bolts, and a space capable of containing the heating element is formed between the first box body and the second box body.

Preferably, the first box body is close to one end of the second box body and is provided with a mounting groove, the mounting groove surrounds the opening outline of the first box body, and an O-shaped sealing ring is embedded in the mounting groove.

Preferably, the wiring hole and the air inlet are arranged on the side wall of the first box body, and the air outlet is arranged on the side wall of the second box body.

Preferably, the air inlet device further comprises a thermistor, wherein the thermistor is fixedly connected to the position, close to the air inlet, of the fixing plate or fixedly connected to the inner wall of the air inlet.

Preferably, the portable box further comprises two supporting plates, and the two supporting plates are fixedly connected to one side, away from the second box, of the first box.

Preferably, clamping grooves are formed in two ends of the first box body respectively, the fixing plate is embedded in the clamping grooves, and a clearance gap is formed in the inner side of the second box body, close to the air outlet end.

The beneficial effects of the present disclosure mainly lie in: according to the utility model, the heating wire is fixed in the box body through the fixing plate, so that the introduced air can be fully contacted with the heating wire, the heating is more uniform, and the heating effect is better.

It is to be understood that both the foregoing general description and the following detailed description are for purposes of example and explanation and are not necessarily limiting of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the present disclosure. Meanwhile, the description and drawings are used to explain the principles of the present disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required in the detailed description or the prior art will be briefly described, it will be apparent that the drawings in the following description are some embodiments of the present disclosure, and other drawings may be obtained according to the drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of a gas heating apparatus according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a gas heating device according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of a first case according to an embodiment of the disclosure;

FIG. 4 is a schematic cross-sectional view of a second case according to an embodiment of the disclosure;

Icon: 1-a first box body; 11-air inlet; 12-wiring holes; 13-clamping grooves; 14-a mounting groove; 2-a second box; 21-an air outlet; 22-avoidance space; 31-a fixing plate; 32-heating wires; 4-an air pipe elbow; 5-a temperature control switch; 6-a thermistor; 7-O-shaped sealing rings; 8-supporting plate.

Detailed Description

The following description of the embodiments of the present disclosure will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present disclosure.

Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

In the description of the present disclosure, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context.

Examples

As shown in fig. 1-4, this embodiment provides a gas heating device, including a box body, the box body includes a first box body 1 and a second box body 2, the first box body 1 and the second box body 2 are fixedly connected through bolts, a hollow cavity is formed inside after the first box body 1 and the second box body 2 are combined, an air inlet 11 is provided at one end of the first box body 1, an air outlet 21 is provided at one end of the second box body 2 far away from the air inlet 11, air pipe elbows 4 are provided on the air inlet 11 and the air outlet 21, and an air pipe is connected through the air pipe elbows 4 for ventilation; the inside of box body is provided with heating element, heating element includes heater strip 32 and fixed plate 31, fixed plate 31 inlays and locates in the box body, heater strip 32 winding is in the outside of fixed plate 31, fixes heater strip 32 through fixed plate 31.

Specifically, the fixing plates 31 are two, the two fixing plates 31 are arranged in a staggered manner, the cross section of the combined fixing plates 31 is of a cross-shaped structure, and the heating wires 32 are wound on the fixing plates 31 through the structure of the staggered arrangement of the two fixing plates 31, so that the heating wires can be contacted with air in the box body in a larger area, the heating efficiency is improved, and the heating of the air in the box body is more uniform.

Further, a temperature control switch 5 is arranged on the fixing plate 31, the temperature control switch 5 is connected with the heating wire 32 through a wire, a wiring hole 12 is formed in the side face of the box body, the temperature control switch 5 passes through the wiring hole 12 through the wire to be connected with an external main control board, and the temperature of the heating wire is regulated through the temperature control switch 5.

Further, a mounting groove 14 is formed in one end, close to the second box body 2, of the first box body 1, the mounting groove 14 surrounds the opening outline of the first box body 1, and an O-shaped sealing ring 7 is embedded in the mounting groove 14. The gap between the first box body 1 and the second box body 2 is sealed through the O-shaped sealing ring 7, so that the outflow of high-temperature air in the interior is prevented, and the energy is saved.

Further, the wiring hole 12 and the air inlet 11 are disposed on the side wall of the first box 1, and the air outlet 21 is disposed on the side wall of the second box. When the heating wire heating box is installed, the first box body 1 is arranged below, the second box body 2 is arranged above, gas is introduced into the first box body 1, the gas rises upwards after being heated and is discharged from the gas outlet 21 of the second box body 2, and the gas can fully contact the heating wire 32 for heating in the process of entering and exiting.

Further, the air inlet device further comprises a thermistor 6, wherein the thermistor 6 is adhered to one end of the fixing plate 31 close to the air inlet 11 through heat conduction silicone grease or adhered to the inner wall of the air inlet 11 through heat conduction silicone grease. The thermistor 6 is arranged at a position close to the air inlet 11, and the temperature is detected through the thermistor 6 and is regulated and controlled by the cooperation of the temperature control switch 5, so that the heating temperature can be constant and accurate.

Further, the portable electronic device further comprises two supporting plates 8, wherein the two supporting plates 8 are fixedly connected to one side, away from the second box body 2, of the first box body 1. The box body is installed through the supporting plate 8, so that the box body is conveniently installed at a proper position.

Further, the two ends inside the first box body 1 are respectively provided with a clamping groove 13, the fixing plate 31 is embedded in the clamping grooves 13, the fixing plate 31 is fixed through the clamping grooves 13, the position of the fixing plate 31 is limited, and the fixing plate 31 is prevented from shifting in the moving process. And a clearance gap 22 is formed at one end of the second box body 2, which is close to the air outlet 21, and air outlet and limit of the fixed plate 31 are facilitated through the clearance gap 22.

The working principle of the utility model is as follows: the utility model controls the on-off of the heating wire 32 through the temperature control switch 5, after the heating wire 32 is conducted and heated to a specified temperature, gas is introduced through the gas inlet 11, after passing through the cavity in the box body, the gas is heated by the heating wire 32 and is discharged from the gas outlet 21 after being heated, and the inside is provided with the thermistor 6 for detecting the internal temperature, thereby being convenient for real-time regulation and control and keeping the temperature constant.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present disclosure, and not for limiting the same; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. A gas heating apparatus, comprising: the box body, air inlet and gas outlet have been seted up respectively at the both ends of box body, air inlet and gas outlet can be dismantled and be connected with the trachea elbow, be provided with heating element in the box body, heating element includes heater strip and fixed plate, the fixed plate set up in the box body, the heater strip is around locating the outside of fixed plate.

2. A gas heating device according to claim 1, wherein two fixing plates are provided, the two fixing plates are arranged in a staggered manner, and the cross section of the two fixing plates after combination is in a cross-shaped structure.

3. The gas heating device according to claim 2, wherein a temperature control switch is fixedly connected to the fixing plate, the temperature control switch is electrically connected to the heating wire, a wiring hole is formed in a side face of the box body, and the temperature control switch is connected to an external device through a wire passing through the wiring hole.

4. A gas heating apparatus according to claim 3, wherein the cartridge comprises a first cartridge and a second cartridge, the first cartridge and the second cartridge being fixedly connected by a bolt, a space being formed between the first cartridge and the second cartridge which can accommodate the heating element.

5. The gas heating device according to claim 4, wherein a mounting groove is formed in one end, close to the second box, of the first box, the mounting groove is arranged around the opening outline of the first box, and an O-shaped sealing ring is embedded in the mounting groove.

6. The gas heating device of claim 4, wherein the wire connection hole and the gas inlet are provided in a side wall of the first case, and the gas outlet is provided in a side wall of the second case.

7. A gas heating apparatus according to claim 2, further comprising a thermistor fixedly attached to the fixing plate at a position close to the gas inlet or fixedly attached to an inner wall of the gas inlet.

8. A gas heating apparatus according to claim 4, further comprising two support plates fixedly connected to a side of said first housing remote from said second housing.

9. The gas heating device according to claim 4, wherein the two ends of the first box body are respectively provided with a clamping groove, the fixing plate is embedded in the clamping grooves, and a clearance gap is arranged on the inner side of the second box body near the gas outlet end.