CN104596272B - Universal clamshell furnace having a counting and switching the fingerprint identification function - Google Patents

Universal clamshell furnace having a counting and switching the fingerprint identification function Download PDF

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CN104596272B
CN104596272B CN201410830597.2A CN201410830597A CN104596272B CN 104596272 B CN104596272 B CN 104596272B CN 201410830597 A CN201410830597 A CN 201410830597A CN 104596272 B CN104596272 B CN 104596272B
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groove
switch
locking
pin
universal
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CN201410830597.2A
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CN104596272A (en
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杨兴林
黄小飞
王成虎
肖立波
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贵州永兴科技有限公司
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Abstract

本发明公开了一种具有计数和指纹识别功能的翻盖式万用电炉开关,包括旋钮开关、销轴、计数器、保护罩、指纹识别器、控制单元、销座和锁紧机构;其中,锁紧机构包括微型步进电机、丝杠和锁紧块;指纹识别器识别出使用者的身份信息后,控制单元控制微型步进电机的正转,电机输出轴带动丝杠同步转动,锁紧块从定位锁紧槽中退出,当锁紧块完全进入安装槽内之后,使用者就能打开保护罩;当旋转旋钮开关时,销轴触动计数器上的计数开关,计数开关记录下本次开关的操作信息以及操作时间,通过显示屏对外显示,实现对万用电炉的信息化操作管理。 The present invention discloses a clamshell-purpose furnace having a counting and switching the fingerprint identification function, a switch includes a knob, a pin, a counter, a protective cover, fingerprint reader, control means, and a locking pin holder means; wherein the lock means including micro stepper motor, lead screw and the locking block; fingerprint identifies that the user identity information, the control unit controls the microstepping motor forward, the screw drive motor output shaft rotate synchronously, the locking block positioning the locking slot exit, when the locking block is fully installed into the groove, the user can open the protective cover; when the rotation of the knob switch, the pin count on the touch switch counter, the counting operation of the switch of this recording switch information and hours of operation, through the external display screen, and information technology operations management of the universal electric furnace. 当使用完毕后,按动微型步进电机上的反转开关,锁紧块沿安装槽向外直线移动,进入保护罩的定位锁紧槽内将其锁定。 When finished, press the switch on the reversing microstepping motor, the locking block along the attachment groove linearly moved outwardly into the groove of the protective cover is positioned to lock the lock.

Description

一种具有计数和指纹识别功能的翻盖式万用电炉开关 Universal clamshell furnace having a counting and switching the fingerprint identification function

技术领域 FIELD

[0001] 发明涉及一种万用电炉的开关,具体涉及一种具有计数和指纹识别功能的翻盖式万用电炉开关,属于机械结构技术领域。 [0001] The invention relates to a universal electric switch, more particularly, to clamshell switch having a universal electric fingerprint recognition and a counting function, belonging to the technical field of mechanical structures. 背景技术 Background technique

[0002] 目前,大型的建筑质量检测公司在对建筑物进行检测试验分析时,需要使用各种不同类型的试验仪器对建筑物进行取样分析和检测,比如使用万用电炉对被测试样品进行加热采样分析。 [0002] Currently, a large construction company in the quality inspection of buildings testing analysis requires the use of various types of test equipment for building and testing sampled and analyzed, such as the use of universal electric furnace to heat the sample to be tested sampling and analysis.

[0003] 操作人员在进行每一次的试验操作之后需要填写操作记录,记录中包括仪器的开启时间和使用次数信息,由于操作人员的水平和责任心原因,时常会出现遗忘或漏记的情况,因此使得试验数据以及对设备的管理存在隐患,不利于实现科学化的试验设备管理。 [0003] The need to fill the operator performing the test operation after every recording operation, records including information on time and frequency of use of the instrument, since the horizontal and accountability reasons operator, or omission of the forgetting situation often occurs, Thus the presence of such data and on risk management apparatus, device management is not conducive to scientific test. 发明内容 SUMMARY

[0004] 有鉴于此,本发明提供了一种具有计数和指纹识别功能的翻盖式万用电炉开关, 能够通过身份识别的功能实现保护罩的开启,实现对电炉操作的信息化管理。 [0004] Accordingly, the present invention provides a universal foldable electric switch having counting and fingerprint recognition, it is possible to achieve opening of the protective cover, information management of the operation of the electric furnace through identity function.

[0005] —种具有计数和指纹识别功能的翻盖式万用电炉开关,包括旋钮开关、销轴、计数器、保护罩、指纹识别器、控制单元、销座和锁紧机构; [0005] - Universal seed clamshell furnace having a counting and switching the fingerprint identification function, a switch includes a knob, a pin, a counter, a protective cover, fingerprint reader, control means, and a locking pin holder mechanism;

[0006] 其中,所述锁紧机构包括微型步进电机、丝杠和锁紧块,所述微型步进电机的输出轴与丝杠固定连接,锁紧块与丝杠为螺纹配合,锁紧块与万用电炉壳体上的安装槽滑动配合; [0006] wherein the locking means comprises a micro stepper motor, lead screw and locking block, the micro-stepper motor lead screw is fixedly connected with the output shaft, the locking block is threadedly engaged with the screw, locking block mounting groove on the housing universal electric sliding fit;

[0007] 所述保护罩为矩形壳体结构,保护罩的一端通过转轴与万用电炉外壳活动连接, 保护罩在闭合状态时将万用电炉的旋钮开关完全封闭,保护罩另一端上的定位锁紧槽与万用电炉外壳上销座的安装槽相对应,安装槽的底部依次安装有微型步进电机、丝杠和锁紧块,微型步进电机在未通电状态下,锁紧块的头部位于安装槽之外且与保护罩上的定位锁紧槽配合将保护罩锁定在万用电炉外壳上;所述微型步进电机通过控制单元与万用电炉内部的电路相连;指纹识别器固定安装在万用电炉的外壁上,指纹识别器识别出使用者的身份信息后将指令信息传送给控制单元,控制单元控制微型步进电机与万用电炉内部电路的通断。 [0007] The protective cover is a rectangular housing structure, the protective end cap is connected via a shaft with universal activity furnace shell protective cover in the closed state when the rotary switch Wan completely closed electric furnace, the protective cap is positioned on the other end the locking groove and to the universal furnace enclosure corresponding pin holder mounting groove, the bottom of the mounting groove is mounted at successively micro stepper motor, lead screw and locking block, micro-stepping motor is not energized state, the locking block head mounting groove is located outside the locking groove and is fitted with the positioning of the protective cover the protective cover to lock the housing to the universal electric furnace; micro-stepping motor is connected to the circuit unit via the inside of the universal electric control; fingerprint reader Wan fixedly mounted on the outer wall of the electric furnace, the fingerprint reader will recognize the identity information of the user instruction information to the control unit, the control unit controls the stepping motor and on-off micro-purpose internal electric circuit.

[0008] 所述旋钮开关的转轴上沿转轴的横截面开有随转轴转角变化的曲折槽,曲折槽的开槽方向沿转轴的圆周方向,曲折槽的槽底面在转轴的转动方向上与转轴的外圆周面相接,曲折槽的深度沿转轴的径向变化;所述曲折槽的宽度与销轴的直径一致; [0008] The rotary switch on the rotary shaft along the axis of rotation cross-sectional direction with the shaft slotted opening angle variation of a bent groove, tortuous groove in the circumferential direction of the rotary shaft, the groove bottom surface bent groove in the rotational direction of the shaft and the shaft contacting the outer circumferential surface, the radial variation in depth along the axis of rotation of the winding grooves; consistent with the diameter of the pin width of the zigzag groove;

[0009] 所述旋钮开关与万用电炉的壳体转动配合,销轴穿过万用电炉壳体上的过孔与旋钮开关转轴上的曲折槽配合,销轴进入曲折槽一端的端面与曲折槽的底面抵触配合,销轴另一端的端面与计数器的计数开关抵触配合; [0009] The switch knob housing universal rotation with an electric furnace, the meander of groove mating pin through the through hole on the rotary switch on the universal shaft furnace housing, end surface of the pin into the groove meandering zigzag end conflict with the bottom of the groove, the other end of the pin end face of the count of the counter switch inconsistent with;

[0010] 工作原理:使用者在使用万用电炉之前将手指置于指纹识别器上,指纹识别器识别出使用者的身份信息后,将启动微型步进电机的指令发送给控制单元,控制单元控制微型步进电机的正转,当其正转时,电机输出轴带动丝杠同步转动,由于安装槽限制了锁紧块的转动,锁紧块只能沿安装槽向内直线移动,锁紧块从定位锁紧槽中退出,当锁紧块完全进入安装槽内之后,保护罩失去锁紧块的限制,使用者就能打开保护罩,对万用电炉进行操作,此次使用信息由指纹识别器进行记录并上传给外部的上位机;其中,操作人员在旋转旋钮开关时,旋钮开关的转轴逐渐推动销轴逐渐退出曲折槽,随着转轴的旋转,销轴沿过孔做直线移动并在设定的行程内触动计数器上的计数开关,计数开关记录下本次开关的操作信息以及操作时间,通过显示屏对外显示;综上实 [0010] Principle: Before a user using an universal electric furnace finger on the fingerprint reader, fingerprint reader identifies the user identity information, the micro-stepper motor start command to the control unit, the control unit control microcomputer forward stepper motor, when the normal rotation, the motor output shaft drives the screw synchronous rotation, since the mounting groove limits the rotation of the locking block, the locking block only linearly moved along the mounting groove inwardly locking positioning the locking block exits from the slot when the locking block completely into the mounting groove, limiting the loss of guard locking block, the user can open the protective cover of the universal electric furnace operation, the use of information by the fingerprint identifier recorded and uploaded to an external host computer; wherein the operator when the rotation of the knob switch, rotary switch shaft gradually push pin bent groove gradually withdrawn, with the rotation axis, the pin moves linearly along the vias and trip count is set in the switch on the touch counter that counts the switching operation of the recording information of the current time and the operating switch, through the external display screen; real sum 现对万用电炉的信息化操作管理。 Now information technology operations management of the universal electric furnace. 当使用完毕后,将旋钮开关旋回关闭位置,使用者可按动微型步进电机上的反转开关,控制单元控制微型步进电机反转,锁紧块沿安装槽向外直线移动,进入保护罩的定位锁紧槽内将其锁定。 When finished, the knob switch back to closed position, the user can press on the reversing switch microstepping motor, the micro control unit controls the stepping motor is reversed, the locking block is moved along the mounting groove linearly outwardly, access to protected positioning a locking cap to the locking groove.

[0011] 有益效果: [0011] beneficial effects:

[0012] (1)本发明所述开关能够通过身份识别的功能实现保护罩的开启,可以实现对电炉操作的信息化管理。 [0012] (1) the switch of the present invention can be achieved by opening the protective cover of identification functions, information management can be achieved on furnace operation. 一方面,可以记录操作人员对万用电炉的使用时间和使用次数,方便后续实验数据的核对和责任人的查找;另一方面,只有指纹在指纹库里的人才能通过身份识别,打开保护罩,杜绝了非专业人员对仪器的违规操作。 On the one hand, it can be recorded using the time and frequency of use of the universal electric furnace operators, to facilitate reconciliation and find the persons responsible for follow-up experimental data; on the other hand, only through fingerprint identification fingerprint talent library, open the protective cover , put an end to non-professionals illegal operation of the instrument.

[0013] (2)本发明所述具有身份识别的开关结构简单,易于实现,可推广到物联网领域, 实现对常规仪器的信息化管理。 [0013] (2) according to the present invention has a simple identification of the switch structure, easy to implement, can be extended to the field of things, information management of the conventional instrument. 附图说明 BRIEF DESCRIPTION

[0014] 图1为保护罩闭合时万用电炉的主视图; [0014] FIG. 1 is a protective cover Universal furnace when closed, front view;

[0015] 图2为保护罩打开时万用电炉的侧视图;[0〇16]图3为锁紧机构的不意图;[0〇17]图4和图5为计数原理示意图。 [0015] FIG. 2 is a side view of a universal protective cover is opened when the furnace; [0〇16] FIG. 3 is not intended locking mechanism; [0〇17] FIG. 4 and FIG. 5 is a schematic counting principle.

[0018] 其中,1-万用电炉,2-旋钮开关、3-保护罩、4-指纹识别器、5-锁紧块、6-销座、7-微型步进电机、8-丝杠、9-销轴、10-计数器、11-旋钮开关转轴具体实施方式 [0018] wherein, l-purpose electric furnace, a rotary switch 2-, 3- protective cover, fingerprint reader 4-, 5- locking block, 6 pin holder, micro-stepping motor 7-, 8-screw, 9- pin, 10 a counter, 11 a switch knob shaft DETAILED DESCRIPTION

[0019] 下面结合附图并举实施例,对本发明进行详细描述。 [0019] The following embodiments in conjunction with the accompanying drawings and embodiments, the present invention will be described in detail.

[0020] 本发明提供了一种具有计数和指纹识别功能的翻盖式万用电炉开关,所述开关包括保护罩3、指纹识别器4、控制单元、销座6、锁紧机构、销轴9和计数器10;如图1和图2所示。 [0020] The present invention provides a universal foldable electric switch having a function of counting and fingerprint recognition, the switch comprises a protective cover 3, a fingerprint reader 4, a control unit 6 pin holder, a locking mechanism, the pin 9 and a counter 10; shown in FIG. 1 and FIG.

[0021] 其中,所述锁紧机构的结构示意图如图3所示,包括微型步进电机7、丝杠8和锁紧块5,所述微型步进电机7的输出轴与丝杠8固定连接,锁紧块5与丝杠8为螺纹配合,锁紧块5 与万用电炉1壳体上的安装槽滑动配合; [0021] wherein said locking mechanism structure diagram shown in Figure 3, comprises a micro-stepping motor 7, 8 and the locking screw block 5, the output shaft of the micro stepping motor and lead screw 7 is secured 8 connection, the locking block 8 of the screw 5 is screwed, the locking block 5 mounted with a universal electric sliding fit in the housing groove;

[0022] 所述保护罩3为矩形壳体结构,保护罩3的一端通过转轴与万用电炉1外壳活动连接,保护罩3在闭合状态时将万用电炉1的旋钮开关2完全封闭,保护罩3另一端上的定位锁紧槽与万用电炉1外壳上销座6的安装槽相对应,安装槽的底部依次安装有微型步进电机7、 丝杠8和锁紧块5,微型步进电机7在未通电状态下,锁紧块5的头部位于安装槽之外且与保护罩3上的定位锁紧槽配合将保护罩3锁定在万用电炉1外壳上;所述微型步进电机7通过控制单元与万用电炉1内部的电路相连;指纹识别器4固定安装在万用电炉1的外壁上,指纹识别器4识别出使用者的身份信息后将指令信息传送给控制单元,控制单元控制微型步进电机7与万用电炉1内部电路的通断。 [0022] The guard 3 has a rectangular housing structure, an end of the protective cover 3 is connected via a shaft with universal activity furnace shell 1, the protective cover 3 Universal electric rotary switch 1 2 is completely enclosed in the closed state, the protection positioning the locking groove on the other end of the cover 3 and the housing 1 an electric furnace universal pin holder mounting groove 6 corresponding to the bottom of the mounting slot are sequentially attached micro-stepping motor 7, 8 and the locking screw 5 blocks, the micro-step 7 into the motor in a non-energized state, the locking head of the block mounting groove 5 is located outside the locking groove and the positioning of the protective cover 3 with the protective cap 3 is locked to the universal electric furnace housing; said micro step motor 7 is connected through the circuit into the interior of the unit and a universal electric control; fingerprint reader 4 is fixedly mounted on an outer wall of the electric furnace 1 Wan, the fingerprint reader 4 will identify the identity information of the user instruction information to the control unit , the micro control unit controls the stepping motor 7 and the internal circuit 1 Wan-off electric furnace.

[0023] 所述旋钮开关2的转轴(即旋钮开关转轴11)上沿转轴的横截面开有随转轴转角变化的曲折槽,曲折槽的开槽方向沿转轴的圆周方向,曲折槽的槽底面在转轴的转动方向上与转轴的外圆周面相接,曲折槽的深度沿转轴的径向变化;所述曲折槽的宽度与销轴9的直径一致; [0023] The shaft 2 of the rotary switch (i.e., switch knob shaft 11) slotted opening direction with the shaft angle changes zigzag grooves, zigzag grooves along the shaft cross section in the circumferential direction of the rotary shaft, the groove bottom surface of the groove meander and an outer circumferential surface of the shaft in contact in the rotational direction of the rotary shaft, the radial depth changes along the winding shaft groove; consistent with the width of the diameter of the pin 9 of the zigzag groove;

[0024] 所述旋钮开关2与万用电炉1的壳体转动配合,销轴9穿过万用电炉1壳体上的过孔与旋钮开关2转轴上的曲折槽配合,销轴9进入曲折槽一端的端面与曲折槽的底面抵触配合,销轴9另一端的端面与计数器10的计数开关抵触配合,旋钮开关2和销轴9的配合关系示意图如图4和图5所不。 [0024] The switch knob housing 2 with a universal rotation with an electric furnace, meandering grooves on the pin 9 through the via hole in the universal housing and the furnace 1 with the rotary switch shaft 2, the pin 9 into the tortuous zigzag groove bottom surface and the end face groove conflict with one end, the other end of the count switch 9 of the pin end face of the counter 10 with the conflict, with which knob switches 2 and pin 9 is a schematic view of FIGS. 4 and 5 do not. [〇〇25]工作原理:使用者在使用万用电炉1之前将手指置于指纹识别器4上,指纹识别器4 识别出使用者的身份信息后,将启动微型步进电机7的指令发送给控制单元,控制单元控制微型步进电机7的正转,当其正转时,电机输出轴带动丝杠8同步转动,由于安装槽限制了锁紧块5的转动,锁紧块5只能沿安装槽向内直线移动,锁紧块5从定位锁紧槽中退出,当锁紧块5完全进入安装槽内之后,保护罩3失去锁紧块5的限制,使用者就能打开保护罩3,对万用电炉1进行操作,此次使用信息由指纹识别器4进行记录并上传给外部的上位机;其中,操作人员在旋转旋钮开关2时,旋钮开关2的转轴逐渐推动销轴9逐渐退出曲折槽,随着转轴的旋转,销轴9沿过孔做直线移动并在设定的行程内触动计数器10上的计数开关,计数开关记录下本次开关的操作信息以及操作时间,通过显示 [〇〇25] works: a user using an universal electric furnace 1 before the finger 4 placed on the fingerprint reader, fingerprint reader 4 identifies the user identity information, the start command is transmitted microstepping motor 7 to the control unit, the control unit controls the stepping motor forward microcomputer 7 when its normal rotation, the motor output shaft drives the screw 8 rotate synchronously, the restricted rotation since the mounting groove 5 of the locking block, the locking block only 5 linear movement along the mounting groove inwardly, positioning the locking block 5 withdrawn from the locking slot when the locking block completely into the mounting groove 5, to limit loss of the protective cover 3 the locking block 5, the user can open the protective cover 3, the operation of the universal electric furnace 1, the information is recorded by the use of a fingerprint reader 4 and uploaded to an external host computer; wherein the operator when the rotation of the knob switch 2, the switch knob 2 is gradually push pin shaft 9 gradually withdraw zigzag grooves, with the rotation of the shaft, the pin 9 moves linearly along the via hole and touch switches on the counter 10 counts in the stroke set, the counting operation of the information recording switch, and this switch operation time, by display 对外显示;综上实现对万用电炉1的信息化操作管理。 External display; information technology operations management of the universal electric furnace 1 of the ensemble. 当使用完毕后,将旋钮开关2旋回关闭位置,使用者可按动微型步进电机7上的反转开关,控制单元控制微型步进电机7反转,锁紧块5沿安装槽向外直线移动,进入保护罩3的定位锁紧槽内将其锁定。 When finished, the switch knob 2 cycles closed position, the user can press on the reversing switch 7 microstepping motor, stepper motor control microcomputer control unit 7 reverses the locking block 5 along the mounting groove outwardly linear moved into the protective cover positioning the locking slot to lock 3.

[0026]综上所述,以上仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围。 [0026] In summary, the foregoing is only preferred embodiments of the present invention but are not intended to limit the scope of the present invention. 凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention.

Claims (1)

1.一种具有计数和指纹识别功能的翻盖式万用电炉开关,其特征在于,包括:旋钮开关(2)、保护罩⑶、指纹识别器(4)、控制单元、销座(6)、锁紧机构、销轴(9)和计数器(10);其中,所述锁紧机构包括微型步进电机(7)、丝杠(8)和锁紧块(5),所述微型步进电机(7)的输出轴与丝杠(8)固定连接,锁紧块(5)与丝杠(8)为螺纹配合,锁紧块(5)与万用电炉(1)壳体上的安装槽滑动配合;所述保护罩(3)为矩形壳体结构,保护罩(3)的一端通过转轴与万用电炉(1)外壳活动连接,保护罩(3)在闭合状态时将万用电炉(1)的旋钮开关(2)完全封闭,保护罩(3)另一端上的定位锁紧槽与万用电炉(1)外壳上销座(6)的安装槽相对应,安装槽的底部依次安装有微型步进电机(7)、丝杠(8)和锁紧块(5),微型步进电机(7)在未通电状态下,锁紧块(5)的头部位于安装槽之外且与保护罩(3)上的定位锁紧槽配合将保 1. Universal clamshell furnace having a fingerprint recognition and counting the switch comprising: a switch knob (2), the protective cover ⑶, fingerprint reader (4), the control unit, the pin holder (6), the locking mechanism, the pin (9) and a counter (10); wherein said locking means comprises a micro-stepping motor (7), the screw (8) and the locking block (5), the micro-stepping motor (7) the output shaft of the lead screw (8) is fixedly connected to the locking block (5) with the screw (8) is screwed, the locking block (5) and ten thousand electric furnace (1) is mounted on the housing groove sliding fit; the protective cover (3) is a rectangular housing structure, the protective cover (3) at one end (1) via a shaft movably connected to the housing universal electric furnace cover (3) in a closed state with an electric furnace Wan ( 1) a switch knob (2) is completely closed protective cover (3) positioning the locking groove Wan electric furnace (1) seat on the housing pin (6) on the other end of the corresponding mounting groove, the bottom of the mounting groove sequentially installed are miniature stepper motor (7), the screw (8) and the locking block (5), a micro stepping motor (7) in the non-energized state, the locking block (5) located outside the head mounting groove and protective cover positioned on the locking groove (3) with the security 罩(3)锁定在万用电炉(1) 外壳上;所述微型步进电机(7)通过控制单元与万用电炉(1)内部的电路相连;指纹识别器(4)固定安装在万用电炉(1)的外壁上,指纹识别器(4)识别出使用者的身份信息后将指令信息传送给控制单元,控制单元控制微型步进电机(7)与万用电炉(1)内部电路的通断; 所述旋钮开关(2)的转轴上沿转轴的横截面开有随转轴转角变化的曲折槽,曲折槽的开槽方向沿转轴的圆周方向,曲折槽的槽底面在转轴的转动方向上与转轴的外圆周面相接,曲折槽的深度沿转轴的径向变化;所述曲折槽的宽度与销轴(9)的直径一致;所述旋钮开关(2)与万用电炉(1)的壳体转动配合,销轴(9)穿过万用电炉(1)壳体上的过孔与旋钮开关(2)转轴上的曲折槽配合,销轴(9)进入曲折槽一端的端面与曲折槽的底面抵触配合,销轴(9)另一端的端面与计数器(10)的计数开关抵触配合。 Cap (3) locking to the universal electric furnace (1) a housing; internal circuit connected to the micro-stepping motor (7) by universal electric control unit (1); fingerprint reader (4) fixedly mounted Universal an outer wall of the furnace (1), the fingerprint reader (4) after the recognized identity information of the user (7) information to the internal circuit of instruction control unit, the control unit controls the stepping motor with the ten thousand miniature electric furnace (1) off; the switch knob (2) along the rotational axis of rotation of the cross-section of the meander of groove is opened with the shaft angle changes, the direction of winding grooves grooved in the circumferential direction of the rotary shaft, the groove bottom surface bent groove in the rotational direction of the shaft on the outer circumferential surface of the shaft in contact, along the radial variation in depth of the zigzag groove of the shaft; consistent with the width of the meander groove pin (9) has a diameter; the switch knob (2) and the Universal electric furnace (1 ) rotates with the housing, the pin (9) through a universal electric furnace (1) via a switch knob (2) fitted on the shaft zigzag groove, the pin (9) on the end face of the housing into the end of the zigzag groove Subject to the bottom surface of the zigzag groove fit pin (9) of the end surface of the other end of the counter (10) is inconsistent with the count switch.
CN201410830597.2A 2014-12-25 2014-12-25 Universal clamshell furnace having a counting and switching the fingerprint identification function CN104596272B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5825474A (en) * 1995-10-27 1998-10-20 Identix Corporation Heated optical platen cover for a fingerprint imaging system
US6423946B1 (en) * 2000-06-28 2002-07-23 Ladislav H. Berka Apparatus for and method of developing fingerprints
CN201662115U (en) * 2010-01-05 2010-12-01 广东格兰仕集团有限公司 Door opening mechanism for microwave oven
CN201945839U (en) * 2011-02-10 2011-08-24 无锡和晶科技股份有限公司 Fingerprint identification type intelligent water heater control circuit
JP2014070803A (en) * 2012-09-28 2014-04-21 Gastar Corp Latent heat recovery type water heater and exhaust adaptor
CN104036564A (en) * 2014-05-29 2014-09-10 长兴西川锁业有限公司 Traveling case fingerprint lock
CN204346141U (en) * 2014-12-25 2015-05-20 贵州永兴科技有限公司 Flap type universal electric stove switch with counting and fingerprint recognition functions

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5825474A (en) * 1995-10-27 1998-10-20 Identix Corporation Heated optical platen cover for a fingerprint imaging system
US6423946B1 (en) * 2000-06-28 2002-07-23 Ladislav H. Berka Apparatus for and method of developing fingerprints
CN201662115U (en) * 2010-01-05 2010-12-01 广东格兰仕集团有限公司 Door opening mechanism for microwave oven
CN201945839U (en) * 2011-02-10 2011-08-24 无锡和晶科技股份有限公司 Fingerprint identification type intelligent water heater control circuit
JP2014070803A (en) * 2012-09-28 2014-04-21 Gastar Corp Latent heat recovery type water heater and exhaust adaptor
CN104036564A (en) * 2014-05-29 2014-09-10 长兴西川锁业有限公司 Traveling case fingerprint lock
CN204346141U (en) * 2014-12-25 2015-05-20 贵州永兴科技有限公司 Flap type universal electric stove switch with counting and fingerprint recognition functions

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