Joule heat heating device

Abstract

The utility model discloses a Joule heat heating device, which belongs to the field of nanometer material heating devices, solves the problem of low sample manufacturing efficiency of the existing heating device, and adopts the technical scheme that the Joule heat heating device mainly comprises a vacuum box and a power supply, a support table is arranged in the vacuum box, and a positive plate and a negative plate are mounted on the support table; the positive plate and the negative plate are electrically connected with a power supply, a lifting device is connected between the positive plate and the negative plate, the lifting device controls the negative plate to ascend and descend, so that the negative plate is close to or far away from the positive plate, a plurality of hexagonal grooves for storing samples are formed in the upper surface of the positive plate, and a heating electrode is arranged on the lower surface of the negative plate. The heating electrode covers the notch of the groove, so that the positive plate and the negative plate are electrically conducted, and the sample in the groove is heated. The sample heating device is mainly used for heating a plurality of samples and is beneficial to improving the experiment efficiency.

Description

TECHNICAL FIELD

[0001] The utility model discloses a joule heat heating device belongs to nanometer material heating device technical field. BACKGROUND

[0002] The fast and efficient high-temperature thermal shock technology is a unique and novel method for preparing various nanometer materials for energy storage and conversion, and the whole preparation process only lasts for several seconds or milliseconds, the heating / cooling rate can be as high as 105K / s, and the reaction temperature can reach more than 3000K. The high-temperature thermal shock device mainly includes four parts, namely, a direct current power supply, a heating reaction chamber, a spectrometer and a vacuum pump. Specifically, the sample material is connected with the copper sheet through the conductive silver glue and is fixed on the glass support, and the copper sheets at both ends of the sample are connected with the direct current power supply. When the power supply is started, high-temperature thermal shock will be triggered. The spectrometer is used to record the emission spectrum and estimate the sample temperature. The blackbody radiation equation is used to fit the emission spectrum of the sample, and the instantaneous temperature of the conduction sample in the high-temperature thermal shock process can be analyzed.

[0003] However, the existing heating method can only heat one sample at a time, and after the sample is heated, the vacuum box needs to be opened, and a new sample to be heated needs to be loaded again to heat the next sample. At this time, the vacuum box needs to be re-pumped to a vacuum state, and the time required for each vacuum pumping is relatively long, resulting in extremely low experimental efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a joule heat heating device, which can heat multiple samples and help improve experimental efficiency.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A joule heat heating device, comprising a vacuum box and a power supply, wherein the vacuum box is provided with a support table, the support table is provided with a positive plate and a negative plate, the positive plate and the negative plate are electrically connected with the power supply, a lifting device is connected between the positive plate and the negative plate, the lifting device controls the lifting of the negative plate to make the negative plate close to or away from the positive plate, the upper surface of the positive plate is provided with a plurality of hexagonal grooves for storing samples, and the lower surface of the negative plate is provided with a heating electrode.

[0007] The utility model has the beneficial effects that:

[0008] The utility model discloses a plurality of samples can be placed on the positive plate simultaneously, and the heating electrode can heat all samples on the positive plate, so that the process of sample placing and vacuumizing of the vacuum box can be omitted, and the manufacturing efficiency of the sample is greatly improved. In addition, the recesses in the positive plate are hexagonal, and the number of the recesses can be effectively increased by adopting the hexagonal structure in the same area of the positive plate, so that the space utilization of the positive plate is improved, the number of the samples is increased, and the manufacturing efficiency of the samples is further improved. In addition, the hexagonal structure of the recesses can also increase the distance between the adjacent two samples, so that the samples are prevented from splashing and interfering with each other.

[0009] Preferably, the inner space of the recess is in the shape of a truncated cone, and the width of the recess gradually decreases from the bottom to the opening. By adopting the foregoing technical scheme, the recess has a structure of being narrow at the top and wide at the bottom, which can prevent the sample from exploding and splashing due to the generation of oxygen during the heating process, and reduce the loss of the sample and the influence between the samples.

[0010] Preferably, the heating electrode is fixed to the lower surface of the negative plate, and the heating electrode covers all the recesses on the positive plate when the heating electrode abuts against the positive plate.

[0011] Preferably, the positive plate has a transverse direction and a longitudinal direction, the negative plate is connected with a lifting arm, the lifting arm is distributed along the transverse direction of the positive plate and is in transmission connection with the lifting arm, and the lifting device drives the lifting arm to lift, so that the negative plate is close to or away from the positive plate.

[0012] Preferably, the lifting arm is provided with a first sliding groove for sliding of the negative plate, the length direction of the first sliding groove is parallel to the transverse direction of the positive plate, one end of the negative plate is in sliding connection with the first sliding groove, and the length direction of the negative plate is parallel to the longitudinal direction of the positive plate.

[0013] Preferably, the heating electrode is fixed to the lower surface of the negative plate, and the heating electrode is distributed along the length direction of the negative plate, and the heating electrode covers the recesses in the longitudinal direction of the positive plate when the heating electrode abuts against the positive plate.

[0014] Preferably, the bottom of the negative plate is provided with a second sliding groove, the heating electrode is in sliding connection with the negative plate through the second sliding groove, and the heating electrode only covers one recess when the heating electrode abuts against the positive plate.

[0015] Preferably, the lifting device comprises a support column and a driver, the support column is provided with a third sliding groove for sliding of the lifting arm, one end of the lifting arm is in sliding connection with the third sliding groove, and the driver is in transmission connection with the lifting arm and drives the lifting arm to slide along the third sliding groove.

[0016] Preferably, the lifting device comprises a cylinder fixed to the support table, and an output end of the cylinder is fixedly connected with the lifting arm.

[0017] Other features and advantages of the present application will be illustrated in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below with reference to the drawings.

[0019] Figure 1 is a cross-sectional view of the present application;

[0020] Figure 2 is a top view of the positive plate in the present application;

[0021] Figure 3 is an explosion view of the groove and the sample in the present application;

[0022] Figure 4 is a cross-sectional view of the second embodiment of the present application.

[0023] Reference signs: 1, vacuum box; 2, negative power line; 3, positive power line; 4, negative plate; 5, positive plate; 51, groove; 6, lifting device; 7, support table; 8, sample; 9, heating electrode. DETAILED DESCRIPTION

[0024] The technical solutions of the embodiments of the present application will be explained and described below in combination with the drawings of the embodiments of the present application, but the following embodiments are only preferred embodiments of the present application, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor all belong to the protection scope of the present application.

[0025] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood to indicate or imply relative importance or imply the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly limited.

[0027] In the utility model, unless otherwise explicitly specified and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0028] Embodiment one:

[0029] As shown in Figures 1 to 3 The embodiment shows a joule heat heating device, comprising a vacuum box 1 and a power supply, the vacuum box 1 is provided with a support table 7, the support table 7 is provided with a positive plate 5 and a negative plate 4, the positive plate 5 and the negative plate 4 are electrically connected with the power supply through positive power supply and negative power supply line 2 respectively, wherein the positive plate 5 and the negative plate 4 are connected with lifting device 6, the lifting device 6 controls the lifting of the negative plate 4, so that the negative plate 4 is close to or away from the positive plate 5, the upper surface of the positive plate 5 is provided with a plurality of hexagonal grooves 51 for storing samples 8, the lower surface of the negative plate 4 is provided with a heating electrode 9, the heating electrode 9 covers the notch of the groove 51, so that the positive plate 5 and the negative plate 4 are electrically connected, and the heating of the sample 8 in the groove 51 is realized.

[0030] In the embodiment, a plurality of samples 8 can be placed on the positive plate 5 at the same time, the heating electrode 9 can heat all the samples 8 on the positive plate 5, the process of placing the sample 8 and vacuumizing the vacuum box 1 can be omitted, thereby greatly improving the production efficiency of the sample 8; in addition, the groove 51 in the positive plate 5 is hexagonal, on the same area of the positive plate 5, the groove 51 adopts a hexagonal structure, which can effectively increase the number of grooves 51, improve the space utilization rate of the positive plate 5, thereby increasing the number of samples 8, and further improving the production efficiency of the sample 8, secondly, the groove 51 adopts a hexagonal structure, which can also increase the distance between the adjacent two samples 8, prevent the sample 8 from splashing and cause mutual interference of the samples 8.

[0031] As shown in Figure 1 And Figure 2As shown, the inner space of the groove 51 in the embodiment is in the shape of a truncated cone, the width of the groove 51 gradually decreases from the groove bottom to the groove opening, the groove 51 has a structure of being narrow at the top and wide at the bottom, which can prevent the sample 8 from being scattered due to the explosion of sample 8 powder caused by oxygen generated during heating or the splashing phenomenon caused by the sudden high temperature of the liquid sample 8, and reduce the loss of the sample 8 and the influence between the samples 8.

[0032] As shown in the drawings, Figure 1 As shown, the lifting device 6 in the embodiment includes a support column and a driver, the support column is fixed on the support strip, the support column is provided with a third sliding groove distributed in the vertical direction, the positive plate 5 has a transverse direction and a longitudinal direction perpendicular to each other, the negative plate 4 is connected with a lifting arm, the length direction of the lifting arm is parallel to the transverse direction of the positive plate 5, one end of the lifting arm extends into the second sliding groove and is in sliding connection with the third sliding groove, the driver is in transmission connection with the lifting arm, the driver drives the lifting arm to slide along the third sliding groove, the negative plate 4 is fixed on the lifting arm and extends along the longitudinal direction of the positive plate 5, the lifting arm drives the negative plate 4 to approach or move away from the positive plate 5.

[0033] In the embodiment, the orthographic projection of the negative plate 4 on the positive plate 5 is close to the whole positive plate 5, the lower surface of the negative plate 4 is fixed with a heating electrode 9, before heating, the driver controls the lifting arm to rise, thereby driving the negative plate 4 to move away from the positive plate 5, so that the groove opening of the groove 51 is open, so that the experimenter can place the sample 8 into the groove 51, after the sample 8 is placed, the driver controls the lifting arm to descend, thereby driving the negative plate 4 to approach the positive plate 5, when the heating electrode 9 abuts against the positive plate 5, the heating electrode 9 covers all the grooves 51 on the positive plate 5, at this time, the positive plate 5 and the negative plate 4 are in an electrically conductive state, then the power supply is started to heat the sample 8 by the heating electrode 9. It should be noted that in other embodiments, the heating electrode 9 and the negative plate 4 can be an integral structure, that is, the negative plate 4 itself is the heating electrode 9.

[0034] Of course, it can be understood that in other embodiments, the lifting device 6 can also include a support column and a driver, the support column is provided with a third sliding groove for the sliding of the lifting arm, one end of the lifting arm is in sliding connection with the third sliding groove, the driver is in transmission connection with the lifting arm and drives the lifting arm to slide along the third sliding groove.

[0035] Embodiment two:

[0036] As shown in the drawings, Figure 4As shown, the main difference between the embodiment and the embodiment one is that a first sliding groove for sliding of the negative plate 4 is arranged on the descending arm in the embodiment, the length direction of the first sliding groove is parallel to the transverse direction of the positive plate 5, one end of the negative plate 4 is slidingly connected with the first sliding groove, and the length direction of the negative plate 4 is parallel to the longitudinal direction of the positive plate 5, a second sliding groove is arranged on the bottom of the negative plate 4, the heating electrode 9 is slidingly connected with the negative plate 4 through the second sliding groove, and the heating electrode 9 only covers one groove 51 when the heating electrode 9 abuts against the positive plate 5.

[0037] Of course, it can be understood that in other embodiments, the heating electrode 9 is fixed to the lower surface of the negative plate 4, and the heating electrode 9 is distributed along the length direction of the negative plate 4, and the heating electrode 9 can also cover the groove 51 in the longitudinal direction of the positive plate 5 when the heating electrode 9 abuts against the positive plate 5.

[0038] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, and those skilled in the art should understand that the present application includes but is not limited to the contents described in the above specific embodiments and the drawings. Any modification without deviating from the function and structural principle of the present application shall be included in the scope of the claims.

Claims

1. A Joule heat heating device, characterized in that: It includes a vacuum box and a power supply. A support table is provided in the vacuum box. A positive plate and a negative plate are installed on the support table. Both the positive plate and the negative plate are electrically connected to the power supply. A lifting device is connected between the positive plate and the negative plate. The lifting device controls the lifting of the negative plate to make the negative plate close to or away from the positive plate. The upper surface of the positive plate is provided with a plurality of hexagonal grooves for storing samples. The lower surface of the negative plate is provided with a heating electrode. The heating electrode covers the notch of the groove to make the positive plate and the negative plate electrically conductive, thereby heating the sample in the groove.

2. The Joule heat heating device according to claim 1, characterized in that: The inner space of the groove is in a frustum shape, and the width of the groove gradually decreases from the groove bottom to the groove mouth.

3. The Joule heat heating device according to claim 1, characterized in that: The heating electrode is fixed on the lower surface of the negative electrode plate, and when the heating electrode abuts against the positive electrode plate, the heating electrode covers all the grooves on the positive electrode plate.

4. The Joule heat heating device according to claim 1, characterized in that: The positive plate has a transverse direction and a longitudinal direction. The negative plate is connected to a lifting arm. The lifting arm is distributed along the transverse direction of the positive plate and is transmission-connected to the lifting arm. The lifting device drives the lifting arm up and down to move the negative plate closer to or away from the positive plate.

5. The Joule heat heating device according to claim 4, characterized in that: The lifting arm is provided with a first sliding groove for the negative plate to slide, the length direction of the first sliding groove is parallel to the transverse direction of the positive plate, one end of the negative plate is slidably connected to the first sliding groove, and the length direction of the negative plate is parallel to the longitudinal direction of the positive plate.

6. The Joule heat heating device according to claim 5, characterized in that: The heating electrodes are fixed to the lower surface of the negative plate and distributed along the length of the negative plate. When the heating electrodes abut against the positive plate, the heating electrodes cover the grooves in the longitudinal direction of the positive plate.

7. The Joule heat heating device according to claim 5, characterized in that: A second chute is provided at the bottom of the negative electrode plate, and the heating electrode is slidably connected to the negative electrode plate through the second chute. When the heating electrode abuts against the positive electrode plate, the heating electrode only covers one groove.

8. The Joule heat heating device according to claim 4, characterized in that: The lifting device includes a support column and a driver. The support column is provided with a third sliding groove for the lifting arm to slide. One end of the lifting arm is slidingly connected to the third sliding groove. The driver is transmission-connected to the lifting arm and drives the lifting arm to slide along the third sliding groove.

9. The Joule heat heating device according to claim 4, characterized in that: The lifting device includes a cylinder, which is fixed to the support platform, and the output end of the cylinder is fixedly connected to the lifting arm.

Images