Electric burner

Abstract

The utility model discloses an electric burner which comprises a copper disc calorimeter, a radiation furnace, a sliding rail frame, a pull rod, a frame body and a baffle, and the copper disc calorimeter and the frame body are arranged on the two sides of the sliding rail frame respectively. The baffle is detachably arranged on the frame body; the radiation furnace is arranged on the sliding rail frame in a sliding mode, the radiation furnace comprises a spiral resistor, a ceramic body, a sleeve and a base, and a cavity is formed in the base; the sleeve is detachably arranged on the base, and an opening is formed in the top of the sleeve; the ceramic body is arranged in the sleeve; the spiral resistor is arranged in the ceramic body; wherein a plurality of air holes are formed in the base. The spiral resistor is arranged in the ceramic body, a plurality of air holes are formed in the base, the airflow temperature can be more balanced, the heat radiation performance is more stable, the base is pulled through the pull rod, the radiation furnace slides along the sliding rail frame, the movement distance of the radiation furnace can be determined through the pulling distance of the pull rod, and the radiation effect is improved. And the consistency of each calibration can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, and particularly relates to an electric burner. Background Art

[0002] The electric burner is mainly applied to non-metallic materials under certain conditions and functions as follows: heat radiation and spraying hot air onto the surface of the specimen. A guiding flame will be used to ignite the pyrolysis gas, and the ignition time, flame persistence, combustion properties and effects will be recorded.

[0003] At present, the inner core of the radiation furnace of the electric burner adopts an ordinary ceramic body, and its material density and pores cause uneven air flow temperature during the heating experiment, resulting in unstable radiation performance, not meeting the experimental requirements, and poor safety performance of the equipment. During the experimental operation, there is a safety hazard of scalding.

[0004] In addition, when calibrating the radiation furnace, the position and distance between the copper disk calorimeter and the radiation furnace cannot be guaranteed to be consistent each time, and its outer shell is not insulated, so it is easy to absorb the heat of the radiation hood, resulting in inaccurate radiation heat of the copper disk. Summary of the Invention

[0005] The utility model aims to solve at least one of the technical problems in the above technologies to a certain extent.

[0006] To achieve the above object, a first aspect of the utility model proposes an electric burner, including: a copper disk calorimeter, a radiation furnace, a slide rail frame, a pull rod, a frame body and a baffle. Among them, the copper disk calorimeter is erected on one side of the slide rail frame; the frame body is arranged on the other side of the slide rail frame; the baffle is detachably arranged on the frame body; the radiation furnace is slidably arranged on the slide rail frame, and the radiation furnace includes a spiral resistor, a ceramic body, a sleeve and a base. Among them, a cavity is arranged inside the base; the sleeve is detachably arranged on the base, and an opening is provided at the top of the sleeve; the ceramic body is arranged inside the sleeve; the spiral resistor is arranged inside the ceramic body; among them, a plurality of air holes are symmetrically opened on both sides of the power supply inlet of the spiral resistor in the base, so that air enters the sleeve from the air holes through the cavity and is discharged from the opening; the pull rod is slidably arranged on the slide rail frame, and the end of the pull rod is connected to the base.

[0007] In addition, the electric burner proposed by the utility model as above may further have the following additional technical features:

[0008] As a further description of the above technical solution: The copper disk calorimeter includes a calibrated copper disk, a calcium silicate board, a thermocouple, and a housing. Among them, the calcium silicate board is arranged on the outer ring of the calibrated copper disk; both the copper disk and the calcium silicate board are arranged inside the housing; the thermocouple passes through the housing and is connected to the center of the calibrated copper disk.

[0009] As a further description of the above technical solution: The number of the air holes is at least 10.

[0010] As a further description of the above technical solution: A handle is arranged at one end of the pull rod away from the base.

[0011] As a further description of the above technical solution: A limiting hook plate is arranged on one side of the frame body close to the copper disk calorimeter, and the baffle is inserted into the limiting hook plate to limit the radiation furnace.

[0012] As a further description of the above technical solution: An adjustable-height knob base is arranged at the bottom of the slide rail frame.

[0013] As a further description of the above technical solution: A support frame is arranged on the slide rail frame, and the copper disk calorimeter is arranged on the support frame.

[0014] The electric burner according to the present utility model has the following beneficial effects:

[0015] 1. By arranging the spiral resistor in the ceramic body and providing a plurality of air holes on the base, the air flow can enter the sleeve from the cavity inside the base and circulate, and finally be discharged from the top opening of the sleeve, making the air flow temperature more balanced and the heat radiation performance more stable.

[0016] 2. By pulling the base with the pull rod to make the radiation furnace slide along the slide rail frame, the moving distance of the radiation furnace can be ensured by the pulling distance of the pull rod, so that the position and distance between the copper disk heat flow meter and the radiation furnace can be guaranteed to be consistent each time during calibration, making the calibration result more accurate.

[0017] 3. By arranging the calcium silicate board on the outer periphery of the copper disk and arranging it inside the housing, it can have a certain heat insulation effect and reduce the safety hazard of the operator being scalded.

[0018] The additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0019] The above-mentioned and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the following description of the embodiments in conjunction with the drawings, where:

[0020] Figure 1 It is a schematic structural diagram of an electric burner according to an embodiment of the present utility model;

[0021] Figure 2 It is a schematic connection structure diagram of a radiation furnace and a pull rod according to an embodiment of the present utility model;

[0022] Figure 3 It is a schematic internal structure diagram of a radiation furnace according to an embodiment of the present utility model;

[0023] Figure 4 It is a schematic bottom view structure diagram of a copper disk calorimeter according to an embodiment of the present utility model;

[0024] Figure 5 It is a schematic front view structure diagram of a copper disk calorimeter according to an embodiment of the present utility model;

[0025] As shown in the figure:

[0026] 100, copper disk calorimeter; 110, calibration copper disk; 120, calcium silicate board; 130, thermocouple; 140, housing; 200, radiation furnace; 210, spiral resistor; 220, ceramic body; 230, sleeve; 231, opening; 240, base; 241, cavity; 242, air hole; 300, slide rail frame; 301, knob seat; 302, support frame; 400, pull rod; 401, handle; 500, frame body; 501, limit hook plate; 600, baffle. Specific embodiments

[0027] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as a limitation of the present utility model.

[0028] The following describes the electric burner of the embodiment of the present utility model with reference to the drawings.

[0029] As Figure 1 shown, the electric burner of the embodiment of the present utility model may include a copper disk calorimeter 100, a radiation furnace 200, a slide rail frame 300, a pull rod 400, a frame body 500, and a baffle 600.

[0030] Among them, the copper disk calorimeter 100 is erected on one side of the slide rail frame 300, and the frame body 500 is arranged on the other side of the slide rail frame 300.

[0031] The baffle 600 is detachably arranged on the frame body 500, and the radiation furnace 200 is slidably arranged on the slide rail frame 300. The radiation furnace 200 can be blocked and limited by the baffle 600.

[0032] As described above Figure 3 the radiant furnace 200 includes a spiral resistor 210, a ceramic body 220, a sleeve 230, and a base 240.

[0033] Among them, a cavity 241 is provided inside the base 240, the sleeve 230 is detachably provided on the base 240 and is in internal communication with the cavity 241 of the base 240, and an opening 231 is provided at the top of the sleeve 230.

[0034] The ceramic body 220 is arranged inside the sleeve 230. Among them, the ceramic body 220 can be a 124C inner core of the cordierite series, with a density of 1880 kg / m3 and a porosity of 25%.

[0035] The spiral resistor 210 is arranged inside the ceramic body 220. Among them, the spiral resistor 210 is a spiral resistor that uniformly heats the incoming air temperature and can support a power of 500 W at the normal working rate.

[0036] It should be noted that the installation position of the ceramic body 220 deviates from the center of the base 240, and the minimum distance from the edge of the base 240 is 5 mm.

[0037] Among them, the base 240 is symmetrically provided with a plurality of air holes 242 on both sides of the power supply inlet of the spiral resistor 210, so that air enters the sleeve 230 from the air holes 242 through the cavity 241 and is discharged from the opening 231.

[0038] As a possible situation, to prevent relevant staff from accidentally touching the base 240, a heat insulation board can be provided outside the base 240 to protect the base 240.

[0039] As Figure 1 and Figure 2 shown, the pull rod 400 is slidably arranged on the slide rail frame 300, and the end of the pull rod 400 is connected to the base 240. Among them, a handle 401 is provided at the end of the pull rod 400 away from the base 240 for the convenience of relevant staff to pull.

[0040] As a possible situation, the pull rod 400 passes through one side of the slide rail frame 300 and extends inward to be connected to the base 240, and a slide block bar matching the slide rail of the slide rail frame 300 is provided on the side of the base 240. When the pull rod 400 is pulled, the base 240 can slide on the slide rail frame 300.

[0041] It should be noted that relevant staff can set a limit ring on the pull rod 400. By pulling the movement of the pull rod 400, the radiant furnace 200 is located directly below the copper disc calorimeter 100. At this time, the limit ring abuts against the end of the slide rail frame 300 to realize the position limitation of the radiant furnace 200.

[0042] Specifically, when the relevant staff calibrate and test the radiation furnace 200, the relevant staff can pull out the baffle 600 from the frame, and then pull the pull rod 400, so that the base 240 of the radiation furnace 200 slides along the slide rail frame 300 to directly below the copper disk calorimeter.

[0043] Then, the relevant staff energize the spiral resistor 210. The spiral resistor 210 can uniformly heat the air temperature. The external air flow enters the cavity 241 through the air holes 242, then enters the connected sleeve 230, and finally discharges from the opening 231 at the top of the sleeve 230, making the air temperature of the entire radiation furnace 200 more balanced and the heat radiation stability of the heating more stable.

[0044] In an embodiment of the present utility model, as Figure 4 and Figure 5 shown, the copper disk calorimeter 100 includes a calibration copper disk 110, a calcium silicate board 120, a thermocouple 130, and a housing 140.

[0045] Among them, the calcium silicate board 120 is arranged on the outer ring of the calibration copper disk 110 for heat insulation treatment. The surface of the calibration copper disk 110 is coated with a coating. Both the copper disk 110 and the calcium silicate board 120 are arranged inside the housing 140. The thermocouple 130 passes through the housing 140 and is connected to the center of the calibration copper disk 110.

[0046] It should be noted that when the relevant staff use the copper disk calorimeter 100, the heat air flow of the radiation furnace 200 heats the calibration copper disk 110 from the opening 231 at the top. Then, the calcium silicate board 120 can isolate the heat of the calibration copper disk 110, preventing the housing 140 from absorbing heat and causing inaccurate radiation heat of the calibration copper disk 110.

[0047] In an embodiment of the present utility model, the number of the air holes 242 is at least 10, and the air holes 242 are symmetrically arranged on both sides of the power supply inlet of the spiral resistor 210 and are equally spaced, which can ensure that the external air flow can uniformly enter the cavity 241.

[0048] In an embodiment of the present utility model, as Figure 1 shown, a limit hook plate 501 is arranged on one side of the frame 500 close to the copper disk calorimeter 100. The baffle 600 is inserted into the limit hook plate 501 to limit the radiation furnace 200.

[0049] It should be noted that when the relevant staff pull the radiation furnace 200, they can first pull out the baffle 600 from the limit hook plate 501, and then pull the radiation furnace 200.

[0050] In an embodiment of the present utility model, asFigure 1 As shown, a knob base 301 with adjustable height is provided at the bottom of the slide rail frame 300, and relevant staff can adjust the knob base 301 to place the entire slide rail base more stably.

[0051] In an embodiment of the present invention, as Figure 1 shown, a support frame 302 is provided on the slide rail frame 300, and the copper disk calorimeter 100 is arranged on the support frame 302.

[0052] It should be noted that the support frame 302 can be connected to the outer shell 140 of the copper disk calorimeter 100, so that the calibration copper disk 110 is located directly above the slide rail frame 300, facilitating accurate measurement of the thermal radiation amount of the radiation furnace 200 by the calibration copper disk 110 when the radiation furnace 200 moves to directly below the copper disk calorimeter 100.

[0053] In summary, for the electric burner according to the embodiment of the present invention, by arranging the spiral resistor 210 in the ceramic body 220 and providing a plurality of air holes 242 on the base 240, air flow can enter the sleeve 230 from the cavity 241 in the base 240 and circulate, and finally discharge from the top opening 231 of the sleeve 230, making the air flow temperature more balanced and the thermal radiation performance more stable; by pulling the base 240 with the pull rod 400 to make the radiation furnace 200 slide along the slide rail frame 300, the moving distance of the radiation furnace 200 can be ensured by the pulling distance of the pull rod 400, so that the position and distance between the copper disk heat flow meter and the radiation furnace 200 are consistent during each calibration, making the calibration result more accurate; by arranging the calcium silicate board 120 on the outer periphery of the calibration copper disk and setting it in the outer shell 140, it can have a certain heat insulation effect and reduce the safety hazard of operators being scalded.

[0054] In the description of this specification, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of this application, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0055] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0056] Although the embodiments of this application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting this application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of this application.

Claims

1. An electric burner, characterized in that, Including: A copper disk calorimeter (100), a radiation furnace (200), a slide rail frame (300), a pull rod (400), a frame body (500) and a baffle (600). Among them, the copper disk calorimeter (100) is erected on one side of the slide rail frame (300); the frame body (500) is arranged on the other side of the slide rail frame (300); the baffle (600) is detachably arranged on the frame body (500); the radiation furnace (200) is slidably arranged on the slide rail frame (300), and the radiation furnace (200) includes a spiral resistor (210), a ceramic body (220), a sleeve (230) and a base (240). Among them, a cavity (241) is arranged inside the base (240); the sleeve (230) is detachably arranged on the base (240), and an opening (231) is formed at the top of the sleeve (230); the ceramic body (220) is arranged inside the sleeve (230); the spiral resistor (210) is arranged inside the ceramic body (220); among them, a plurality of air holes (242) are symmetrically formed on both sides of the power supply inlet of the spiral resistor (210) of the base (240), so that air enters the sleeve (230) from the air holes (242) through the cavity (241) and is discharged from the opening (231); the pull rod (400) is slidably arranged on the slide rail frame (300), and the end of the pull rod (400) is connected to the base (240).

2. The electric burner according to claim 1, characterized in that, The copper disk calorimeter (100) includes a calibration copper disk (110), a calcium silicate board (120), a thermocouple (130) and a housing (140). Among them, the calcium silicate board (120) is arranged on the outer ring of the calibration copper disk (110); the copper disk (110) and the calcium silicate board (120) are both arranged inside the housing (140); the thermocouple (130) passes through the housing (140) and is connected to the center of the calibration copper disk (110).

3. The electric burner according to claim 1, characterized in that, The number of the air holes (242) is at least 10.

4. The electric burner according to claim 1, characterized in that, A handle (401) is arranged at one end of the pull rod (400) far away from the base (240).

5. The electric burner according to claim 1, characterized in that, A limit hook plate (501) is arranged on one side of the frame body (500) close to the copper disk calorimeter (100), and the baffle (600) is inserted into the limit hook plate (501) to limit the radiation furnace (200).

6. The electric burner according to claim 1, characterized in that, An adjustable height knob base (301) is arranged at the bottom of the slide rail frame (300).

7. The electric burner according to claim 1, characterized in that, A support frame (302) is arranged on the slide rail frame (300), and the copper disk calorimeter (100) is arranged on the support frame (302).

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