A baking paper

Abstract

The present invention provides a paper baking machine, comprising a container, a heating device and a cover. The container has a first accommodating cavity; the heating device is used to heat the first accommodating cavity; the cover can form a sealed cavity with the first accommodating cavity to switch between a non-heating closed state and a heating state by at least partially removing the first opening. In the paper baking machine with this structure, the cover removes the first opening, the test paper is placed in the container to be heated and dried, and the volatiles on the test paper are discharged into the external environment; after the drying is completed, the cover is closed, the first opening is sealed, and the first accommodating cavity forms a closed cavity. The dried test paper can be directly stored in the paper baking machine without being transferred to a test paper box for storage, so that the test paper is prevented from contacting with moisture and dust in the external environment during transfer, and secondary contamination during the transfer of the test paper is prevented, the cleanliness and drying effect of the test paper are guaranteed, the test paper sampling is more accurate, and the sample detection result is highly accurate.

Description

Technical Field

[0001] The invention relates to the technical field of detection equipment, and in particular to a paper baking machine. Background Art

[0002] In the field of mass spectrometry, migration spectrometry, spectrum and other spectrum analysis detection, the sample is sampled on the surface of the test paper by wiping the test paper, and then the sample particles are sucked into the detector by thermal analysis, and then tested by mass spectrometry, migration spectrometry, spectrum and other spectrum analysis detection devices, so as to achieve the purpose of distinguishing the substances contained in the sample. The test paper needs to be kept dry during sampling, otherwise it is easy to be contaminated with impurities and affect the test results. Therefore, the test paper needs to be dried with a paper baking machine before use.

[0003] In order to allow the volatiles of the test paper to be discharged into the external environment as soon as possible during the drying process of the test paper, and to prevent the volatiles from falling back on the test paper and affecting the drying effect of the test paper, the paper baking machine in the prior art is usually an open-mouth structure. That is, the placement cavity for accommodating the test paper in the existing paper baking machine is always connected to the outside world, and the test paper is heated and dried by a heating device in the placement cavity. The dried test paper is prevented from contacting with moisture or pollutants in the external environment. It is necessary to transfer the dried test paper from the paper baking machine to a test paper box for sealed storage for standby use. Since the test paper contacts the external environment during the process of transferring the dried test paper from the placement cavity to the test paper box, the test paper must contact moisture or other substances such as dust in the external environment during the transfer process. The test paper is prone to secondary contamination, which affects the drying effect of the test paper, and then affects the samples collected by the test paper later, and ultimately affects the accuracy of the test results of the sampled samples. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defects in the prior art that the test paper needs to be transferred to a test paper box for storage after being dried in a paper drying device, which causes troublesome operation and easy contamination of the test paper.

[0005] To this end, the present invention provides a paper baking device, comprising

[0006] A container having a first accommodating cavity with a first opening at one end for accommodating the paper sheet to be dried;

[0007] A heating device, used for heating the first containing cavity;

[0008] The cover body is movably arranged relative to the container and can be switched between a closed state in which the first opening and the first accommodating cavity are sealed to form a sealed cavity when the heating device is in a non-heating state and an open state in which the first opening is at least partially removed when the heating device is in a heating state.

[0009] Optionally, the above-mentioned paper roaster further comprises a control unit disposed in the sealed cavity and electrically connected to the heating device;

[0010] The control unit controls the heating device to be turned off when the cover is in a closed state, and controls the heating device to be turned on when the cover is in an open state.

[0011] Optionally, in the above-mentioned paper roaster, the control unit includes a controller, a control switch and a first circuit electrically connecting the control switch to the controller, and the controller is electrically connected to the heating device;

[0012] When the cover is in a closed state, the control switch is applied with a first signal to connect the first circuit; when the cover is in an open state, the control switch is applied with a second signal to disconnect the first circuit;

[0013] The controller controls the heating device to turn on or off according to the signal of the first circuit.

[0014] Optionally, in the above-mentioned paper roaster, a driving component is provided on a side wall of the cover body facing the first accommodating cavity; when the cover body is in a closed state, the driving component applies a pressing force or a toggling force to the control switch as the first signal; when the cover body is in an open state, the driving component releases the pressing force or the toggling force on the control switch as the second signal; or

[0015] When the cover is in an open state, external light serves as the first signal to illuminate the control switch; when the cover is in a closed state, the lightless environment in the sealed cavity serves as the second signal.

[0016] Optionally, the above-mentioned paper baking device further comprises a transition component provided on the first opening, the transition component is provided with a second opening for exposing the first opening to the outside; and a third opening;

[0017] When the cover is in a closed state, the driving component and the control switch are connected through the third opening and form the pressing force or the pulling force; or when the cover is in an open state, the control switch receives external light through the third opening.

[0018] Optionally, in the above-mentioned paper roaster, the driving component is in the shape of a plate or a column, and can be directly opposite to the control switch when the cover is in a closed state to form the pressing force.

[0019] Optionally, in the above-mentioned paper roaster, at least one partition is provided in the first accommodating cavity to divide the first accommodating cavity into at least two accommodating grooves arranged in parallel.

[0020] Optionally, the above-mentioned paper baking machine further comprises a box body having a first installation cavity with a fourth opening at one end;

[0021] The container is arranged in the first installation cavity and the first opening and the fourth opening are located on the same side;

[0022] The cover body is sealed and movably arranged on the box body, and when in the closed state, the cover body forms the sealed cavity by sealing the fourth opening and the first installation cavity;

[0023] The heating device is arranged between the outer wall of the container and the inner wall of the box body.

[0024] Optionally, in the above-mentioned paper baking machine, the cover is sealed and rotatably or slidably disposed on the fourth opening of the box body.

[0025] Optionally, the above-mentioned paper baking machine also includes a transition component arranged on the inner wall of the fourth opening, and the container is installed on the box body by installing the end of its first opening on the transition component, and the transition component is provided with a second opening that exposes the first opening to the outside.

[0026] Optionally, in the above-mentioned paper baking machine, the cover body has a second installation cavity that is recessed inwardly from the first installation cavity toward the inner wall of the cover body.

[0027] The technical solution of the present invention has the following advantages:

[0028] 1. The paper roasting device provided by the present invention comprises a container, a heating device and a cover. The container has a first accommodating cavity with a first opening at one end for accommodating paper sheets to be dried; the heating device is used to heat the first accommodating cavity; the cover is movably arranged relative to the container, and can be switched between forming a sealed cavity with the first accommodating cavity when the first opening is sealed so that the heating device is in a non-heating closed state and at least partially removing the first opening so that the heating device is in a heating state.

[0029] In the paper drying machine of this structure, the cover body moves away from the first opening, the test paper to be dried is placed in the container, the heating device starts to work, heats and dries the test paper, and the volatiles on the test paper are discharged into the external environment; after the drying is completed, the heating device stops working, the cover body is closed, the first opening is sealed, and the first accommodating cavity forms a closed cavity, the dried test paper can be directly stored in the paper drying machine, and there is no need to transfer it to the test paper box for storage, so that the test paper is prevented from contacting with moisture and dust in the external environment during the transfer process, and the functions of the paper drying machine and the test paper box are combined into one, the operation is simple and quick, and the secondary contamination during the transfer process of the test paper is effectively avoided, the cleanliness and drying effect of the test paper are guaranteed, the test paper sampling is more accurate, and the sample detection result is highly accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 This is a schematic diagram of the paper roasting machine provided in Embodiment 1 of the present invention when the cover is opened;

[0032] Figure 2 This is a schematic diagram of the paper roasting machine provided in Embodiment 1 of the present invention when the cover is closed;

[0033] Figure 3 This is a diagram showing the internal structure of the paper roaster provided in Embodiment 1 of the present invention;

[0034] Figure 4 This is a schematic diagram of the paper roaster provided in Embodiment 1 of the present invention with the cover removed;

[0035] Figure 5 is a circuit diagram of the first circuit provided in Embodiment 1 of the present invention;

[0036] Figure 6 is a circuit diagram of a first circuit provided in Embodiment 2 of the present invention;

[0037] Description of reference numerals:

[0038] 1- container; 2- cover; 3- control button; 4- driving component; 5- transition component; 6- partition; 7- box body; 8- first wall; 9- second wall; 10- test paper. DETAILED DESCRIPTION

[0039] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0043] Example 1

[0044] This embodiment provides a paper roasting device, such as Figures 1 to 4 As shown, it includes a container 1, a heating device and a cover body 2.

[0045] The container 1 has a first accommodating cavity with a first opening at one end for accommodating paper sheets to be dried; the heating device is used to heat the first accommodating cavity; the cover body 2 is movably arranged relative to the container 1, and can form a sealed cavity with the first accommodating cavity when the first opening is sealed so that the heating device is in a non-heating closed state and at least partially remove the first opening to switch between the heating device in a heating state.

[0046] In the paper drying machine of this structure, the cover body moves away from the first opening, the test paper to be dried is placed in the container, the heating device starts to work, heats and dries the test paper, and the volatiles on the test paper are discharged into the external environment; after the drying is completed, the heating device stops working, the cover body is closed, the first opening is sealed, and the first accommodating cavity forms a closed cavity, the dried test paper can be directly stored in the paper drying machine, and there is no need to transfer it to the test paper box for storage, so that the test paper is prevented from contacting with moisture and dust in the external environment during the transfer process, and the functions of the paper drying machine and the test paper box are combined into one, the operation is simple and quick, and the secondary contamination during the transfer process of the test paper is effectively avoided, the cleanliness and drying effect of the test paper are guaranteed, the test paper sampling is more accurate, and the sample detection result is highly accurate.

[0047] Optionally, the paper roaster further comprises a control unit disposed in the sealed cavity and electrically connected to the heating device; the control unit comprises a controller, a control switch and a first circuit electrically connecting the control switch to the controller, and the controller is electrically connected to the heating device. When the cover is in a closed state, a first signal is applied to the control switch to connect the first circuit; when the cover is in an open state, a second signal is applied to the control switch to disconnect the first circuit; the controller controls the heating device to turn on or off according to the signal of the first circuit.

[0048] Specifically, the control switch has a control button 3, and a driving component 4 is provided on a side wall of the cover body 2 facing the first accommodating cavity. For example, the cover body 2 has a second installation cavity that is recessed inward from the first installation cavity toward the inner wall of the cover body 2. The driving component 4 is in the shape of a plate or a column. The driving component 4 is arranged in the second installation cavity and can face the control button 3 when the cover body 2 is closed to press the control button 3. The second installation cavity can accommodate the upper half of the test paper when the cover body is closed, and part of the test paper leaks out of the first accommodating cavity when the cover body is opened, which is convenient for taking and placing.

[0049] Optionally, the paper roaster further comprises a box body 7 and a transition component 5. The box body 7 has a first installation cavity, one end of which is a fourth opening, the transition component 5 is sealed and buckled on the first opening, and the outer peripheral edge of the transition component 5 protrudes from the first opening, and the edge of the transition component 5 is arranged on the inner wall surface of the fourth opening. A boss is arranged on the lower surface of the transition component, and a plurality of abutting portions are arranged on the inner wall surface of the box body, and the lower surface of the boss abuts on the abutting portions; a plurality of positioning protrusions are arranged on the outer wall surface of the boss, and a positioning groove is arranged on the inner wall surface of the box body at a corresponding position, and the positioning protrusion cooperates with the positioning groove to realize the matching positioning of the transition component and the box body.

[0050] The container 1 is arranged in the first installation cavity and the first opening and the fourth opening are located on the same side; the cover body 2 is sealed and movably arranged on the box body 7, and the cover body 2 forms a sealed cavity with the first installation cavity by sealing the fourth opening when in the closed state; for example, the cover body 2 is rotatably or slidably arranged on the fourth opening of the box body 7.

[0051] The transition component 5 is provided with a second opening and a third opening, wherein the second opening exposes the first opening to the outside, so that the first accommodating chamber is connected to the external environment. When the cover body 2 is closed, it is in a closed state, the driving component 4 and the control button 3 are connected through the third opening and form a pressing force or a toggle force; the control button 3 controls the heater to be turned off according to the pressing force or the toggle force; when the cover body 2 is opened and in a heating state, the driving component 4 is separated from the control button 3, the pressing force or the toggle force on the control button 3 is released, and the control button 3 controls the heater to be turned on according to the released pressing force or the toggle force.

[0052] Specifically, the control switch is a momentary switch, and the circuit diagram of the first circuit is as follows: Figure 5 As shown, when the cover 2 is closed, the driving component 4 presses the control button 3, the first circuit is turned on and its output end is at a low level, and the controller receives the low-level signal to determine that the cover 2 is not opened and does not heat the heating device; when the cover 2 is opened, the driving component 4 is separated from the control button 3, the first circuit is disconnected and its output end is at a high level, at this time the controller receives the high-level signal, determines that the cover 2 is opened and controls the heating device to start heating; during the heating process, the controller determines whether the heating device has reached the specified temperature required for drying the test paper 10, if the specified temperature is not reached, the heating device continues to heat, and if the specified temperature is reached, the heating device stops heating; after stopping heating, the controller will continue to determine whether the heating device is at the specified temperature, and control the heating device to stop heating when the specified temperature is reached, and control the heating device to continue heating when the specified temperature is not reached, so that in the process of drying the test paper 10, the heating device is kept warm, so that the heating device is kept in a certain specified temperature range, and the test paper 10 is dried to avoid scorching the test paper 10 due to excessively high temperature or failing to efficiently dry the test paper 10 due to excessively low temperature.

[0053] In the paper baking machine of this structure, the heating device automatically heats when the cover 2 is opened, and the heating is convenient and quick. At the same time, the volatiles generated by the drying of the test paper 10 evaporate into the external environment and will not fall on the test paper 10 again to cause secondary pollution to the test paper 10; when the cover 2 is closed, the heating device automatically stops heating to prevent the test paper 10 from continuing to heat and generate volatiles in a closed state. The volatiles cannot evaporate in the closed space and cause secondary pollution to the test paper 10.

[0054] Alternatively, if Figure 4 As shown, at least one partition 6 is provided in the first receiving chamber to divide the first receiving chamber into at least two receiving slots arranged in parallel. For example, there may be multiple partitions 6, and the first receiving chamber includes multiple receiving slots, which can simultaneously receive, dry and store multiple test strips 10, with high drying efficiency and large storage capacity.

[0055] Optionally, the heating device is disposed between the outer wall of the container 1 and the inner wall of the box body 7. For example, the heater is two heating plates, which are respectively fixed on two opposite outer walls of the container 1, the two outer walls being the first wall 8 and the second wall 9, respectively. The test papers 10 are placed in the receiving groove and arranged side by side along the first wall 8 and the second wall 9, and the distance between each test paper 10 and the heating plate is equal, so that the test paper 10 is evenly heated and has a good drying effect.

[0056] Optimally, an annular protrusion is provided on the end surface of the cover 2 opposite to the box body 7, and an annular groove is provided on the end surface of the box body 7 to cooperate with the annular protrusion, and a sealing ring is provided in the annular groove. When the cover 2 is closed and the paper baking machine is in a closed state, the annular protrusion is clamped in the annular groove and cooperates with the sealing ring to ensure the sealing of the paper baking machine, effectively prevent the entry of external water vapor or dust, and prevent the test paper 10 from being damp and contaminated. Figure 2 As shown, a pressing device is provided on the body, and a clamping portion cooperating with the pressing device is provided on the cover body 2. When the cover body 2 is closed, the clamping groove on the upper part of the pressing device is clamped on the clamping portion, so that the paper baking machine remains sealed and the test paper 10 is ensured to be clean and dry.

[0057] Example 2

[0058] The present embodiment provides a paper roaster, which is different from the paper roaster in Embodiment 1 in that no driving component 4 is provided on the cover 2, and no control button 3 is provided. When the cover is in an open state, external light serves as a first signal to illuminate the control switch; when the cover is in a closed state, the lightless environment in the sealed cavity serves as a second signal.

[0059] Specifically, the control switch is an optocoupler switch, and the circuit diagram of the first circuit is as follows: Figure 6 As shown, the inching switch in Example 1 is replaced by an optocoupler switch. When the cover body 2 is opened, the optocoupler switch receives external light through the third opening, and the optocoupler switch outputs a low-level signal to the controller, and the controller controls the heating device to heat; when the cover body 2 is closed, the optocoupler switch does not receive external light, and outputs a high-level signal to the controller, and the controller controls the heating device to stop heating.

[0060] As a first replaceable implementation of Example 1 and Example 2, the controller can also be replaced by a circuit comparator, which determines the open or closed state of the cover according to the input signal comparison, and then controls the heating device to be turned on or off.

[0061] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A paper baking machine, characterized in that: include A container (1) having a first accommodating cavity with a first opening at one end for accommodating paper sheets to be dried; A heating device, used for heating the first containing cavity; A cover (2) is movably arranged relative to the container (1) and can be switched between a closed state in which the first opening and the first accommodating cavity are sealed to form a sealed cavity when the heating device is in a non-heating state and an open state in which the first opening is at least partially removed when the heating device is in a heating state; Also included is a control unit disposed in the sealed cavity and electrically connected to the heating device; The control unit controls the heating device to be turned off when the cover (2) is in a closed state, and controls the heating device to be turned on when the cover (2) is in an open state; The control unit includes a controller, a control switch, and a first circuit electrically connecting the control switch to the controller, and the controller is electrically connected to the heating device; When the cover is in a closed state, the control switch is applied with a first signal to connect the first circuit; when the cover is in an open state, the control switch is applied with a second signal to disconnect the first circuit; The controller controls the heating device to turn on or off according to the signal of the first circuit.

2. The paper roasting device according to claim 1, characterized in that: A driving component (4) is provided on a side wall of the cover body (2) facing the first accommodating cavity; when the cover body is in a closed state, the driving component (4) applies a pressing force or a toggling force to the control switch as the first signal; when the cover body is in an open state, the driving component (4) releases the pressing force or the toggling force on the control switch as the second signal; or When the cover is in an open state, external light serves as the first signal to illuminate the control switch; when the cover is in a closed state, the lightless environment in the sealed cavity serves as the second signal.

3. The paper roasting device according to claim 2, characterized in that: It also includes a transition component (5) arranged on the first opening, and the transition component (5) is provided with a second opening that exposes the first opening to the outside; and having a third opening; When the cover is in a closed state, the driving component (4) and the control switch are connected through the third opening and form the pressing force or the pulling force; or when the cover is in an open state, the control switch receives external light through the third opening.

4. The paper roasting device according to claim 2 or 3, characterized in that: The driving component (4) is in the shape of a plate or a column, and can face the control switch directly when the cover is in a closed state, so as to form the pressing force.

5. The paper roasting device according to any one of claims 1 to 3, characterized in that: At least one partition (6) is provided in the first accommodating cavity to divide the first accommodating cavity into at least two accommodating grooves arranged in parallel.

6. The paper roasting device according to any one of claims 1 to 3, characterized in that: It also includes a box body (7) having a first installation cavity with a fourth opening at one end; The container (1) is arranged in the first installation cavity and the first opening and the fourth opening are located on the same side; The cover body (2) is sealed and movably arranged on the box body (7), and when in the closed state, the cover body (2) forms the sealed cavity by sealing the fourth opening and the first installation cavity; The heating device is arranged between the outer wall of the container (1) and the inner wall of the box body (7).

7. The paper roasting device according to claim 6, characterized in that: The cover body (2) is sealed and rotatably or slidably arranged on the fourth opening of the box body (7).

8. The paper roasting device according to claim 6, characterized in that: It also includes a transition component (5) arranged on the inner wall of the fourth opening, and the container (1) is installed on the box body (7) by installing the end of its first opening on the transition component (5), and the transition component (5) is provided with a second opening that exposes the first opening to the outside.

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