WO2022252657A1 - 发热体组件、发热体的制备方法及雾化器 - Google Patents
发热体组件、发热体的制备方法及雾化器 Download PDFInfo
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- WO2022252657A1 WO2022252657A1 PCT/CN2022/073650 CN2022073650W WO2022252657A1 WO 2022252657 A1 WO2022252657 A1 WO 2022252657A1 CN 2022073650 W CN2022073650 W CN 2022073650W WO 2022252657 A1 WO2022252657 A1 WO 2022252657A1
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- heating element
- unit
- heating
- metal sheet
- units
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 210
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 59
- 238000005530 etching Methods 0.000 claims description 22
- 230000008093 supporting effect Effects 0.000 claims description 22
- 238000005520 cutting process Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 8
- 238000003486 chemical etching Methods 0.000 claims description 7
- 238000010329 laser etching Methods 0.000 claims description 7
- 238000003698 laser cutting Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract 4
- 238000000465 moulding Methods 0.000 abstract 1
- 238000000889 atomisation Methods 0.000 description 7
- 230000020169 heat generation Effects 0.000 description 3
- 239000000178 monomer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F47/00—Smokers' requisites not otherwise provided for
Definitions
- the present application relates to the technical field of atomizing liquid atomization, and in particular to a heating element assembly, a method for preparing the heating element, and an atomizer.
- heating wire there are usually two kinds of heating sheets in the atomizer: heating wire, resistance paste printed on the substrate, or metal heating sheet.
- Metal heating sheets are usually stamped individually. On the one hand, the efficiency of this stamping method is low. On the other hand, due to the characteristics of the atomizer, the thickness of the above-mentioned heating sheet is usually thin, and the stamping method is difficult to process, and curling, burrs, etc. are prone to occur, resulting in heat generation. The flatness of the sheet is damaged, which has a great impact on the subsequent heating and atomization. Therefore, the metal heating sheet in the prior art has the defects of low processing efficiency, high difficulty, and non-uniform atomization performance due to processing deformation.
- the technical problem to be solved by the present invention is to provide a high processing efficiency, low processing difficulty, and non-uniform There will be processing deformation, so the heating element assembly with relatively uniform atomization performance, the preparation method of the heating element and the atomizer.
- the technical solution adopted by the present invention to solve the technical problem is to construct a heating element assembly, which includes a plurality of heating element units with the same structure formed on a metal sheet at one time, and each of the heating elements
- the body unit includes a fixing part and a heating structure connected between the fixing parts, and the heating structure is used to make a set resistance value exist between the edges of the heating body unit;
- the metal sheet is not provided with a connection point for the partial connection of the heating element unit, and the connection point makes each heating element unit still connected to the metal sheet and arranged according to the set rules; each heating element The unit is isolated from other heating element units or the metal sheet except the connection point.
- the plurality of heating element units are formed by etching the metal sheet.
- the etching includes chemical etching or laser etching.
- the heat generating structure includes a strip or mesh structure.
- the supporting body placed under the metal sheet, and the supporting body supports the plurality of heat generating units with the same structure.
- each supporting body unit supports the corresponding heating body unit.
- connecting parts are respectively provided at the set positions of the fixing parts of the heating element unit for welding with the supporting body.
- the connecting portion is a connecting hole.
- the metal sheet is also provided with a plurality of positioning holes for cutting the connection points of the units on it, so that the cut units become single heating elements.
- the heating structure is used to set the resistance of the heating unit, and the resistance value of the heating structure is greater than the resistance value of the fixing part.
- the present invention also relates to a method for preparing a heating element, comprising the following steps:
- the heating element assembly is obtained by etching on the metal sheet, and the heating element assembly includes a plurality of heating element units arranged according to set rules and having the same pattern or shape; each of the heating element units is set by setting The connection point at its edge is connected to the metal sheet; the connection point of the heating element unit is cut so that the unit is separated from the heating element assembly to obtain mutually independent heating element units.
- the preparation method also includes cutting the support body to obtain a plurality of mutually independent support body units, and make each support body unit support the corresponding heating body unit.
- the present invention also relates to an atomizer, which includes a heating element for heating the atomized liquid, and the heating element is prepared by the above-mentioned preparation method.
- Implementing the heating element assembly, the preparation method of the heating element and the atomizer of the present invention has the following beneficial effects: since a plurality of heating element units are formed on the metal sheet at one time, these heating element units are pressed on the above-mentioned metal sheet The set rules are arranged, and only the edge connection points are connected with the metal sheet, so that not only the production efficiency is higher, but also the part to be cut off when the heating element unit is removed is small, which will not make the heating element It is deformed by itself, so its processing efficiency is high, processing difficulty is small, and processing deformation will not occur.
- Fig. 1 is a structural schematic diagram of the heating element assembly, the preparation method of the heating element and the heating element assembly of the atomizer embodiment of the present invention
- Fig. 2 is a schematic structural view of a single heating element assembly in the embodiment
- Fig. 4 is a flowchart of the preparation method of the heating element in the embodiment.
- a heating element assembly is constructed, and the heating element assembly is formed on a metal sheet 1 to obtain A plurality of heating element units 2 with the same structure, each of the heating element units 2 includes a fixed part (that is, includes two heating element terminals 21, see FIG. 2 ) and a heating structure 23 connected between the fixing parts (The heating structure 23 can be a mesh structure, a parallel strip structure, etc.), the heating structure 23 is used to make a setting between the fixed parts (that is, between the two heating body terminals 21 in FIG. 2 ).
- connection point 3 connected to the unit 2 part (ie the edge part in Fig. 1), the connection point 3 makes each heating element unit 2 still connected on the metal sheet 1 and arranged according to the set rules;
- Each heating element unit 2 is isolated from other heating element units 2 or the metal sheet 1 except the connection point 3 .
- the connection points 3 are arranged on the edges of the fixing parts at both ends of the heating element unit 2 .
- the plurality of heating element units 2 are formed by etching the metal sheet 1, and the etching includes chemical etching or laser etching.
- the metal sheet 1 is processed so that it forms a plurality of heating element units 2 arranged according to the set rules at the last time, for example, in FIG. 1 , the set rules A plurality of heating element units 2 are aligned and lined up, and the fixing parts of the heating element units 2 are aligned respectively.
- the edges (processed edges) of the sheet 1 are connected. In this way, even after the above-mentioned plurality of heating element units 2 are processed, they are connected with the original metal sheet 1 to form a whole, no matter these heating element units 2 are removed one by one in the later stage for processing or used as It is more convenient to process as a whole.
- the means of processing the above-mentioned metal sheet 1 is etching, including chemical or physical etching (for example, laser etching).
- etching including chemical or physical etching (for example, laser etching).
- chemical or physical etching for example, laser etching
- the preparation in the early stage The work is also slightly different. For example, if it is physical etching, the pattern of the above-mentioned heating element unit 2 needs to be input into the photolithography machine; if it is chemical etching, it is necessary to treat the surface of the above-mentioned metal sheet 1 and so on.
- the metal sheet 1 since the metal sheet 1 needs to be processed in the preceding or subsequent steps, and these processings require precise positioning of the metal sheet 1, in this embodiment, as shown in FIG. 1
- the metal sheet 1 is also provided with a plurality of positioning holes 11 for cutting the connection point 3 of the upper heating element unit 2 so that the cut heating element unit 2 becomes a single heating element.
- the above-mentioned positioning holes 11 can also play a role.
- the heating element assembly further includes a supporting body placed under the metal sheet, and the supporting body supports the plurality of heating element units 2 with the same structure.
- FIG. 3 shows one heat generating unit 2 and the support unit 4 supporting the heat generating unit 2 .
- the combination in FIG. 4 can be formed by combining a single heating element unit 2 with a single support body unit 4, or it can be that the entire metal sheet 1 shown in FIG. 1 is placed On a larger support body, it is separated with the cutting of the heating element unit 2 . That is to say, in the latter case, the connection points of the heating element unit 2 are cut off by laser or punched to obtain a plurality of mutually independent heating element units 2, and the supporting body is also cut by laser.
- a plurality of mutually independent supporting body units 4 are cut or punched out, and each supporting body unit 4 supports a corresponding heating element unit 2 .
- each supporting body unit 4 supports a corresponding heating element unit 2 .
- the width of the above-mentioned heat-generating structure is wider than the width of the support unit 4. Therefore, in some cases, the edge of the above-mentioned heat-generating structure 23 can be bent downward to make it Wrap or clamp the side of the above-mentioned support body unit 4 (please refer to Fig.
- the external power supply voltage (usually the voltage of the battery) is applied to the two heating element terminals 21 of the heating element unit 2 through electrodes or cables. Due to the existence of the voltage difference, the current flows from one heating element terminal 21 (the one connected to the positive terminal of the power supply voltage) passes through the above-mentioned heating structure 23, and is returned to the power supply by another heating body terminal 21 (the one connected to the negative terminal of the power supply), forming a current loop. Therefore, the above electric current passes through the above heat generating structure 23 . Due to the existence of the resistance of the heating structure 23 , the flowing current makes the heating structure 23 or the heating unit 2 start to generate heat, and the atomized liquid on the heating unit 2 is atomized.
- the resistance value of the above-mentioned heat-generating structure 23 is controlled.
- the resistance range of the heat-generating structure 23 includes 0.3-2.0 ohms, the heat generation is relatively high. It is suitable for the atomization of the atomization liquid by the atomization device, and a preferred value is 1.1 ohms.
- the resistance value of the heat-generating structure 23 is usually determined by setting the grid size, the width of the mesh line, and the width of the heat-generating structure 23 itself.
- the heating structure may be a grid-like structure as shown in Figure 2, or a strip-like structure composed of a plurality of parallel metal strips with a certain interval between them.
- the two ends of the two metal strips are respectively connected to the two heating element terminals 21, and there is a gap with a set width between the two metal strips. Due to the difference in structure, the resistance value of the above-mentioned heating structure is greater than the resistance value of the terminal 21 of the heating body.
- connecting parts 22 are respectively provided at the set positions of the fixing parts of the heating element unit 2, and the connecting parts 22 are used for welding with the supporting body unit 4 or directly connecting with cables. Or the motor is electrically connected, so that the power supply voltage can be applied to the fixed part of the heating element unit 2, so as to realize the atomization of the atomizing liquid.
- the connecting portion 22 may be a connecting hole.
- the present invention also relates to a method for preparing a heating element, and FIG. 4 shows a flow chart of the method.
- the method includes the following steps:
- Step S11 Prepare the heating element assembly: In this step, the heating element assembly is obtained by etching on the metal sheet, and the heating element assembly includes a plurality of heating elements arranged according to the set rules and having the same pattern or shape. body unit; each of the heating body units is connected to the metal sheet through a connection point arranged on its edge;
- Step S12 Cutting the heating element assembly to obtain the heating element unit: In this step, cut the connection point of the heating element unit, so that the heating element unit is separated from the heating element assembly, and obtain mutually independent heating element units.
- the etching adopts chemical etching or laser etching; the cutting adopts laser cutting.
- the metal sheet 1 before or after the heating element assembly is obtained by etching, can also be placed on the support body, and the metal sheet 1 is supported by the support body; the preparation method also includes Including cutting the support body to obtain a plurality of mutually independent support body units, and making each support body unit support a corresponding heating element unit; that is, when the heating element unit is not processed on the above-mentioned metal sheet, the It is placed on the supporting body, and the above-mentioned supporting body unit is processed while processing the heating element unit, and a combination of a separate heating element unit and the supporting body unit is obtained; the heating element unit can also be processed on the above-mentioned metal sheet, The heating element assembly is obtained, and a separate heating element unit is obtained by cutting, and matched with a separate supporting body unit to obtain the matching of the heating element unit and the supporting body unit.
- the present invention also relates to an atomizer, which includes a heating element for heating the atomized liquid, and the heating element is prepared by the above-mentioned preparation method.
- full-plate etching preferably laser cutting
- punching to separate a plurality of heating elements or heating sheets obtained above.
- Metal flakes are generally very thin (0.02-0.2mm), and laser cutting is used.
- the heating element unit can avoid the difficulty in positioning due to deformation, and it can also avoid the poor oil conduction in some parts caused by deformation after assembling the finished product, resulting in burnt smell.
- the cutting speed of the above-mentioned cutting is fast and the efficiency is high.
- the ordinary stamping method is used to separate the monomers, not only the processing efficiency is not high, but also because the etching sheet is very thin, it is very easy to cause the deformation of the monomers after stamping, which makes it difficult to locate on the assembly and is prone to lead. Oil problem.
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Abstract
一种发热体组件及一种发热体制备方法及雾化器，包括在金属片状物（1）上一次成型得到的多个结构相同的发热体单元（2），每个发热体单元（2）包括固定部和连接在固定部之间的发热结构（23），发热结构（23）用于使得固定部之间存在设定的电阻值；发热体单元（2）的边缘保留有与金属片状物（1）未设置发热体单元（2）的部分连接的连接点（3），连接点（3）使得每个发热体单元（2）仍连接在金属片状物（1）上并按照设定的规则排列；每个发热体单元（2）除连接点（3）外隔离于其他发热体单元（2）或金属片状物（1）。发热体组件、发热体的制备方法及雾化器，其加工效率较高、加工难度较小、不会出现加工变形。
Description
本申请要求于2021年06月04日提交中国专利局、申请号为202110627288.5、发明创造名称为“发热体组件、发热体的制备方法及雾化器”的中国专利申请的优先权，以及于2021年06月04日提交中国专利局、申请号为202121247392.3、发明创造名称为“发热体组件及雾化器”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
本申请涉及雾化液雾化技术领域，尤其涉及一种发热体组件、发热体的制备方法及雾化器。
在现有技术中，雾化器中的发热片通常有两种：发热丝、电阻浆料印刷在基体上或者金属发热片。金属发热片通常是单个冲压而得。一方面这种冲压的方式效率较低，另外一方面，由于雾化器的特性，上述发热片的厚度通常较薄，冲压的方式加工较为困难，极易出现卷边、毛刺等情况，导致发热片的平整度遭到破坏，对后续的发热雾化带来较大的影响。因此，现有技术中的金属发热片存在加工效率较低、难度大、由于加工变形而导致雾化性能不均匀的缺陷。
申请内容
本发明要解决的技术问题在于，针对现有技术的上述加工效率较低、难度大、由于加工变形而导致雾化性能不均匀的缺陷，提供一种加工效率较高、加工难度较小、不会出现加工变形，因而其雾化性能较均匀的发热体组件、发热体的制备方法及雾化器。
本发明解决其技术问题所采用的技术方案是：构造一种发热体组件，所述发热体组件包括在金属片状物上一次成型得到的多个结构相同的发热体单元，每个所述发热体单元包括固定部和连接在所述固定部之间的发热结构，所述发热结构用于使得所述发热体单元的边缘之间存在设定的电阻值；所述固定部保留有与所述金属片状物未设置所述发热体单元的部分连接的连接点，所述连接点使得每个发热体单元仍连接在所述金属片状物上并按照设定的规则排列；每个发热体单元除所述连接点外隔离于其他发热体单元或所述金属片状物。
更进一步地，所述多个发热体单元由所述金属片状物被蚀刻而形成。
更进一步地，所述蚀刻包括化学蚀刻或激光蚀刻。
更进一步地，所述发热结构包括条状或网状结构。
更进一步地，还包括放置在所述金属片状物下方的支撑体，所述支撑体支撑所述多个结构相同的发热体单元。
更进一步地，所述发热体单元的连接点被激光切割断开或被冲压断开以得到多个 互相独立的发热体单元，且所述支撑体也被激光切割或被冲压出多个互相独立的支撑体单元，每个支撑体单元支撑对应的发热体单元。
更进一步地，所述发热体单元固定部的设定位置上还分别设置有连接部用于与所述支撑体焊接。优选所述连接部为连接孔。
更进一步地，所述金属片状物上还设置有多个便于对其上单元的连接点进行切割、使得被切割的单元成为发热体单体的定位孔。
更进一步地，所述发热结构用于设定所述发热体单元的电阻，所述发热结构的电阻值大于所述固定部的电阻值。
本发明还涉及一种发热体的制备方法，包括如下步骤：
在金属片状物上使用蚀刻的方式得到发热体组件，所述发热体组件包括多个按照设定规则排列的、具有相同的图案或形状的发热体单元；每个所述发热体单元通过设置在其边缘的连接点连接在所述金属片状物上；切割所述发热体单元的连接点，使得所述单元脱离所述发热体组件，得到互相独立的发热体单元。
更进一步地，所述蚀刻采用化学蚀刻或激光蚀刻；所述切割采用激光切割。
更进一步地，使用蚀刻的方式得到发热体组件之前或之后，先将金属片状物放置到支撑体上，由支撑体支撑所述金属片状物；所述制备方法还还包括切割所述支撑体以得到多个互相独立的支撑体单元，并使每个支撑体单元支撑对应的发热体单元。
本发明还涉及一种雾化器，包括用于加热雾化液的发热体，所述发热体是采用上述的制备方法所制得。
实施本发明的发热体组件、发热体的制备方法及雾化器，具有以下有益效果：由于在金属片状物上一次成型多个发热体单元，这些发热体单元在上述金属片状物上按设定的规则排列，且仅有边缘的连接点与金属片状物连接，这样不仅生产的效率较高，而且在将发热体单元取下时要切断的部分较小，不会使得该发热体本身发生变形，因此，其加工效率较高、加工难度较小、不会出现加工变形。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性的，并不能限制本申请。
图1为本发明发热体组件、发热体的制备方法及雾化器实施例的发热体组件的结构示意图；
图2为所述实施例中单个发热体组件的结构示意图；
图3所述实施例中带有支撑体的发热体结构示意图；
图4为所述实施例中发热体的制备方法流程图。
附图标记：
1-金属片状物；
11-定位孔；
2-发热体单元；
21-发热体端子；
22-固定孔；
23-发热结构；
3-连接点；
4-支撑体单元。
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本申请的实施例，并与说明书一起用于解释本申请的原理。
下面将结合附图对本发明实施例作进一步说明。
如图1所示，在本发明的发热体组件、发热体的制备方法及雾化器实施例中，构造一种发热体组件，所述发热体组件包括在金属片状物1上一次成型得到的多个结构相同的发热体单元2，每个所述发热体单元2包括固定部(即包括两个发热体端子21，请参见图2)和连接在所述固定部之间的发热结构23(发热结构23可以是网状结构、平行的条状结构等)，所述发热结构23用于使得所述固定部之间(即图2中的两个发热体端子21之间)存在设定的电阻值，以便于在发热体单元2上存在电压时能够按照设计发热，使得雾化液雾化；所述发热体单元的边缘保留有与所述金属片状物1未设置所述发热体单元2部分(即图1中的边沿部分)连接的连接点3，所述连接点3使得每个发热体单元2仍连接在所述金属片状物1上并按照设定的规则排列；每个发热体单元2除所述连接点3外隔离于其他发热体单元2或所述金属片状物1。在本实施例中，连接点3设置在发热体单元2两端的固定部的边缘。所述多个发热体单元2由所述金属片状物1被蚀刻而形成，而所述蚀刻包括化学蚀刻或激光蚀刻。换句话说，在本实施例中，首先是对金属片状物1进行加工，使得其上一次形成多个按照设定规律排列的发热体单元2，例如，在图1中，设定的规则是多个发热体单元2对齐并一字排开，发热体单元2的固定部分别对齐，连接点3位于上述发热体单元2的顶部和底部，分别与该发热体单元2的固定部和金属片状物1的边沿(加工后的边沿)连接。这样，即使在上述多个发热体单元2被加工出来后，也和原先的金属片状物1连接在一起，形成一个整体，不管是后期将这些发热体单元2逐个取下加工或将其作为一个整体进行加工，都较为方便。值得一提的是，在本实施例中，对上述金属片状物1进行加工的手段是蚀刻，包括化学或物理蚀刻(例如，激光蚀刻)，在采取不同的蚀刻方法时，其前期的准备工作也稍有不同，例如，如果是物理蚀刻，需要将上述发热体单元2的图案输入到光刻机中；如果是化学蚀刻，则需要对上述金属片状物1的表面进行处理等等。
此外，由于在前述或后续的步骤中需要对金属片状物1进行加工，而这些加工均需要对该金属片状物1进行精确的定位，因此，在本实施例中，如图1所示，所述金属片状物1上还设置有多个便于对其上发热体单元2的连接点3进行切割、使得被切割的发热体单元2成为发热体单体的定位孔11。当然，在需要对整个金属片状物1进行加工时，例如，蚀刻或后续的整体与支撑体4的结合时，上述定位孔11也能够起到作用。
在本实施例，一些情况下，所述发热体组件还包括放置在所述金属片状物下方的支撑体，所述支撑体支撑所述多个结构相同的发热体单元2。图3中示出了一个发热体单元2和支撑该发热体单元2的支撑体单元4的情况。在本实施例中，图4中的组合可以是单独的一个发热体单元2与单独的一个支撑体单元4结合而成的，也可以是将图1中所示的整个金属片状物1放置在一个较大的支撑体上，然后随所述发热体单元2的切割而分离出来的。也就是说，在后一种情况下，所述发热体单元2的连接点被激光切割断开或被冲压断开以得到多个互相独立的发热体单元2，且所述支撑体也被激光切割或被冲压出多个互相独立的支撑体单元4，每个支撑体单元4支撑对应的发热体单元2。而在前一种情况下，需要将发热体单元2逐个由上述金属片状物1上取下，得到单独的发热体单元2，然后在与单独的支撑体单元4进行装配，从而得到图3所示的发热体组件。值得一提的是，在本实施例中，上述发热结构的宽度较宽，大于支撑体单元4的宽度，因此，在一些情况下，可以使得上述发热结构23的边沿向下折弯，使其包裹或夹持住上述支撑体单元4的侧面(请参见图3)，这样使得上述发热体单元2与支撑体单元4的接触面更大，结合得更加紧密，防止发热体单元2位移，起到更好的支撑作用，从而使得上述发热体单元2更加不容易变形，其加热后对雾化液的雾化效果更好。
在本实施例中，外部的电源电压(通常是电池的电压)通过电极或线缆施加在上述发热体单元2的两个发热体端子21上，由于电压差的存在，电流由一个发热体端子21(连接电源电压正端的一个)通过上述发热结构23，由另一个发热体端子21(连接电源负端的一个)返回电源，形成电流回路。因此，上述电流通过上述发热结构23。由于上述发热结构23的电阻的存在，流过的电流使得上述发热结构23或发热体单元2开始发热，雾化发热体单元2上的雾化液。为了控制上述发热体单元2的发热量，需要控制上述发热结构23的电阻值，通常而言，在本实施例中，所述发热结构23的电阻范围包括0.3-2.0欧姆时，其发热量较为适合雾化装置对雾化液的雾化，一个优选的取值为1.1欧姆。在本实施例中，通常通过对上述发热结构23的网格大小、网线宽度以及发热结构23本身的宽度的设置来确定该发热结构23的电阻值。
在本实施例中，所述发热结构可以是如图2所示的网格状结构，也可以是由多个平行的、相互之间有一定间隔的金属条组成的条状结构，这些金属条的两端分别连接在两个发热体端子21上，两个金属条之间有设定宽度的缝隙。由于结构的不同，上述发热结构的电阻值大于发热体端子21部分的电阻值。
此外，在本实施例中，所述发热体单元2的固定部的设定位置上还分别设置有连接部22，所述连接部22用于与所述支撑体单元4焊接或者直接与线缆或电机电连接，从而使得电源电压能够施加到上述发热体单元2的固定部，实现对雾化液的雾化。连接部22可以是连接孔。
本发明还涉及一种发热体的制备方法，图4示出了该制备方法的流程图。在图4中，该方法包括如下步骤：
步骤S11制备发热体组件：在本步骤中，在金属片状物上使用蚀刻的方式得到发热体组件，所述发热体组件包括多个按照设定规则排列的、具有相同的图案或形状的 发热体单元；每个所述发热体单元通过设置在其边缘的连接点连接在所述金属片状物上；
步骤S12切割发热体组件得到发热体单元：在本步骤中，切割所述发热体单元的连接点，使得所述发热体单元脱离所述发热体组件，得到互相独立的发热体单元。
其中，所述蚀刻采用化学蚀刻或激光蚀刻；所述切割采用激光切割。
在本发明中，使用蚀刻的方式得到发热体组件之前或之后，还可以先将金属片状物1放置到支撑体上，由支撑体支撑所述金属片状物1；所述制备方法还还包括切割所述支撑体以得到多个互相独立的支撑体单元，并使每个支撑体单元支撑对应的发热体单元；即可以将在上述金属片状物上未加工出发热体单元时，将其放置在支撑体上，在加工发热体单元的同时加工出上述支撑体单元，并得到单独的发热体单元和支撑体单元的组合；也可以现在上述金属片状物上加工出发热体单元，得到发热体组件，切割得到单独的发热体单元，并与单独的支撑体单元配合，得到发热体单元和支撑体单元的配合。
本发明还涉及一种雾化器，包括用于加热雾化液的发热体，所述发热体是采用上述的制备方法所制得。
总体上来看，在本实施例中，对金属片状物采用整版蚀刻，优选采用激光切割的方式，可以得到多个发热体或发热片。也可以采用冲压的方式，使多个上述得到的多个发热体或发热片分开。金属片状物一般厚度很薄(0.02～0.2mm)，采用激光切割的方式，相比较冲压等方式，由于使用非接触切割，不存在接触磨损；变形很小，这样得到的发热片或发热体或发热体单元可避免由于变形产生的定位困难，也可以避免装配成品工作后，由于变形引起的部分部位导油不畅，产生焦糊味。且上述切割的切割速度快，效率高。而现有技术中采用普通冲压方式分离单体，不仅仅是加工的效率不高，而且由于蚀刻片很薄，非常容易造成冲压后单体变形，从而使得在装配上定位困难，且容易出现导油不畅的问题。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。
Claims (13)
- 一种发热体组件，其特征在于，所述发热体组件包括在金属片状物上一次成型得到的多个结构相同的发热体单元，每个所述发热体单元包括固定部和连接在所述固定部之间的发热结构，所述发热结构用于使得所述固定部之间存在设定的电阻值；所述发热体单元的边缘保留有与所述金属片状物未设置所述发热体单元的部分连接的连接点，所述连接点使得每个发热体单元仍连接在所述金属片状物上并按照设定的规则排列；每个发热体单元除所述连接点外隔离于其他发热体单元或所述金属片状物。
- 根据权利要求1所述的发热体组件，其特征在于，所述多个发热体单元由所述金属片状物被蚀刻而形成。
- 根据权利要求2所述的发热体组件，其特征在于，所述蚀刻包括化学蚀刻或激光蚀刻。
- 根据权利要求1所述的发热体组件，其特征在于，所述发热结构包括条状或网状结构。
- 根据权利要求1所述的发热体组件，其特征在于，还包括放置在所述金属片状物下方的支撑体，所述支撑体支撑所述多个结构相同的发热体单元。
- 根据权利要求5所述的发热体组件，其特征在于，所述发热体单元的连接点被激光切割断开或被冲压断开以得到多个互相独立的发热体单元，且所述支撑体也被激光切割或被冲压出多个互相独立的支撑体单元，每个支撑体单元支撑对应的发热体单元。
- 根据权利要求5所述的发热体组件，其特征在于，所述发热体单元固定部的设定位置上还分别设置有连接部，所述连接部用于与所述支撑体焊接。
- 根据权利要求1所述的发热体组件，其特征在于，所述金属片状物上还设置有多个便于对其上发热体单元的连接点进行切割、使得被切割的发热体单元脱离所述金属片状物的定位孔。
- 根据权利要求1所述的发热体组件，其特征在于，所述发热结构用于设定所述发热体单元的电阻，所述发热结构的电阻值大于所述固定部的电阻值。
- 一种发热体的制备方法，其特征在于，包括如下步骤：在金属片状物上使用蚀刻的方式得到发热体组件，所述发热体组件包括多个按照设定规则排列的、具有相同的图案或形状的发热体单元；每个所述发热体单元通过设置在其边缘的连接点连接在所述金属片状物上；切割所述发热体单元的连接点，使得所述发热体单元脱离所述发热体组件，得到独立的发热体单元。
- 根据权利要求10所述的发热体的制备方法，其特征在于，所述蚀刻采用化学蚀刻或激光蚀刻；所述切割采用激光切割。
- 根据权利要求10所述的发热体的制备方法，其特征在于，使用蚀刻的方式得到发热体组件之前或之后，先将金属片状物放置到支撑体上，由支撑体支撑所述金属片状物；所述制备方法还还包括切割所述支撑体以得到多个互相独立的支撑体单元， 并使每个支撑体单元支撑对应的发热体单元。
- 一种雾化器，包括用于加热雾化液的发热体，其特征在于，所述发热体是采用如权利要求10-12任意一项所述的制备方法所制得。
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