WO2014047847A1 - 一种扫温仪 - Google Patents

一种扫温仪 Download PDF

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Publication number
WO2014047847A1
WO2014047847A1 PCT/CN2012/082197 CN2012082197W WO2014047847A1 WO 2014047847 A1 WO2014047847 A1 WO 2014047847A1 CN 2012082197 W CN2012082197 W CN 2012082197W WO 2014047847 A1 WO2014047847 A1 WO 2014047847A1
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WO
WIPO (PCT)
Prior art keywords
temperature
unit
central processing
processing unit
sweeper
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Application number
PCT/CN2012/082197
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English (en)
French (fr)
Inventor
袁剑敏
Original Assignee
深圳华盛昌机械实业有限公司
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Publication date
Application filed by 深圳华盛昌机械实业有限公司 filed Critical 深圳华盛昌机械实业有限公司
Priority to PCT/CN2012/082197 priority Critical patent/WO2014047847A1/zh
Priority to CN201290000147.5U priority patent/CN204301887U/zh
Publication of WO2014047847A1 publication Critical patent/WO2014047847A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/025—Interfacing a pyrometer to an external device or network; User interface
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/0265—Handheld, portable
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0859—Sighting arrangements, e.g. cameras
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0896—Optical arrangements using a light source, e.g. for illuminating a surface
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J2005/0077—Imaging

Definitions

  • the utility model relates to a temperature testing device, in particular to a temperature sweeping instrument.
  • the temperature detecting equipment on the market has a temperature control table, a thermometer, a temperature sweeper and the like.
  • the temperature sweeper occupies part of the market because of its advantages of accuracy and portability.
  • the existing temperature sweeper often transmits the collected temperature information to the processor through the temperature sensor, and then processed by the processor. Displayed on the display.
  • This type of thermometer the staff can only read the temperature by observing the data indicated on the display, it is difficult to simultaneously look at the measurement target and the display screen.
  • the existing temperature detector has a single method for indicating the temperature, and the operation process is time consuming and laborious.
  • the technical problem to be solved by the present invention is to provide a temperature sweeper that can indicate temperature by a plurality of methods, so that the operation process is both time-saving and labor-saving.
  • the present invention adopts the following technical solutions.
  • a temperature sweeper includes a handle and a button and a face shell disposed on the handle, wherein the face shell is provided with an LED indicating unit, a function button and a liquid crystal display, wherein the face shell is provided with a laser emitting component,
  • the infrared sensor and the signal processing module comprises: a central processing unit for processing data and issuing control commands; a temperature collecting unit for collecting an output signal of the infrared sensor; and an AD conversion unit, It is connected between the temperature collecting unit and the central processing unit, and is used for analog-to-digital conversion of the electrical signal outputted by the temperature collecting unit, and then sent to the central processing unit; and an audio prompting unit connected to the central processing unit for execution
  • the central processor's control command issues a beep; the LED indicating unit is electrically coupled to the central processor for executing a central processor control command to illuminate the LED of the corresponding color.
  • the sound prompting unit includes a buzzer for converting a pulse signal emitted by the central processing unit into a prompt sound.
  • the sound prompting unit comprises a voice chip and a speaker, and the voice chip is connected to a central processor, and the speaker is connected to the voice chip.
  • the LED indicating unit 3 includes a red LED, a blue LED and a green LED, and all three are connected to the central processing module.
  • the temperature collecting unit further comprises: a temperature compensation circuit connected to the infrared sensor for reducing temperature drift; an amplification and calibration circuit connected to the infrared sensor for outputting the infrared sensor The signal is amplified and calibrated and output to the AD conversion unit.
  • the face shell is provided with a recessed portion, and the liquid crystal display panel is received in the recessed portion and rotatably connected to the face shell.
  • the liquid crystal display is provided with a rotating shaft frame, wherein the rotating shaft frame is provided with a shaft hole, and a rotating shaft is disposed on each side of the shaft hole, and one end of the rotating shaft is hidden in the surface shell.
  • the liquid crystal display comprises a display upper case and a screen disposed under the backlight, a backlight board, a screen driving board and a display lower case.
  • the illuminator further includes a hood, and the hood is provided with an infrared measuring port and a laser emitting hole on both sides of the infrared measuring port.
  • the temperature sweeper further comprises a threaded tube disposed in the face shell, a laser frame and an aluminum tube.
  • the infrared sensor is fixed in the threaded tube, and the laser emitting component is fixed on the laser frame.
  • the utility model discloses a temperature sweeping instrument.
  • a temperature value is first detected as a reference temperature, and then a temperature difference value is set by a human-machine interaction unit.
  • the sound prompting unit emits a prompt sound by executing a control command of the central processing unit.
  • the sound is smoother; when the deviation between the target temperature and the reference temperature is closer to the set
  • the prompting sound is more urgent. Therefore, the staff judges the approximate range of the target temperature by the prompt sound, and does not need to stare at the display screen in real time to observe the temperature value.
  • the LED prompting unit executes the control instruction of the central processor to illuminate the LED of the corresponding color, and when the difference between the target temperature and the reference temperature is within the range of the set temperature difference, the LED of one color is illuminated; when the target temperature When the difference from the reference temperature exceeds the set temperature difference range, the LEDs of other colors are illuminated, so the worker can judge whether the change of the target temperature is within the set temperature difference range by the color of the LED illumination. Therefore, the temperature sweeper disclosed by the utility model not only realizes the temperature indication by a plurality of methods, but also has the advantages of simple operation, time saving and labor saving.
  • Figure 1 is a schematic view of the overall structure of the present invention.
  • FIG. 2 is a schematic overall view of the liquid crystal display of the present invention when it is stowed.
  • Figure 3 is a cross-sectional view of the laser assembly and the infrared sensor of the present invention.
  • Figure 4 is a right side view of the present invention.
  • Figure 5 is an exploded view of the utility model.
  • Figure 6 is a block diagram of the circuit of the present invention.
  • Figure 7 is a circuit block diagram of a second embodiment of the voice prompting unit.
  • Figure 8 is a circuit block diagram of the temperature acquisition unit.
  • Figure 9 is a flow chart of the working process of the present invention.
  • Fig. 10 is a flow chart showing the change of the temperature of the buzzer in step S107 shown in Fig. 9.
  • Fig. 11 is a flow chart showing the temperature change of the LED in step S107 shown in Fig. 9.
  • the utility model discloses a temperature sweeping instrument, as shown in FIG. 1 to FIG. 6 , which comprises a handle 1 and a button 7 and a face shell 8 disposed on the handle 1 , and the face shell 8 is provided with an LED indicating unit 3 .
  • the function button 4 and the liquid crystal display 2 are provided with a laser emitting component 5, an infrared sensor 6 and a signal processing module 9.
  • the signal processing module 9 includes a central processing unit 90 for processing data and A control unit is issued; a temperature collecting unit 91 for collecting an output signal of the infrared sensor 6; an AD converting unit 92 connected between the temperature collecting unit 91 and the central processing unit 90 for outputting the temperature collecting unit 91 After the analog signal is converted, the electrical signal is sent to the central processing unit 90; an audible prompt unit 93 is connected to the central processing unit 90 for executing the control command of the central processing unit 90 to emit a prompt tone; the LED indicating unit 3 is electrically Connected to a central processing unit 90 for executing control commands of the central processor 90 to illuminate LEDs of corresponding colors.
  • the liquid crystal display 2 is electrically connected to a central processing unit 90 for displaying temperature data, and the function keys 4 are electrically connected to a central processing unit 90 for setting parameters.
  • a temperature value is first detected as a reference temperature, and then a temperature difference is set by the function button 4.
  • the sound prompting unit 93 emits a prompt sound by executing a control command of the central processing unit 90.
  • the sound is smoother; when the deviation between the target temperature and the reference temperature is closer, When the temperature difference is set, the prompting sound is more rapid, so the worker judges the approximate range of the target temperature by the prompt sound, and does not need to stare at the liquid crystal display 2 in real time to observe the temperature value.
  • the LED prompting unit 3 performs a control instruction of the central processing unit 90 to illuminate the LED of the corresponding color, and when the difference between the target temperature and the reference temperature is within the range of the set temperature difference, the LED of one color is illuminated; When the difference between the target temperature and the reference temperature exceeds the set temperature difference range, the LEDs of other colors are illuminated, so the worker can judge whether the change of the target temperature is within the set temperature difference range by the color of the LED illumination.
  • the temperature sweeper disclosed by the utility model not only realizes the temperature indication by a plurality of methods, but also has the advantages of simple operation, time saving and labor saving.
  • the sound prompting unit 93 includes a buzzer for converting a pulse signal from the central processing unit 90 into a prompt sound.
  • the buzzer prompts the temperature change process to include the following steps:
  • step S109 determining whether the target temperature - reference temperature ⁇ one-tenth of the temperature difference, if not, proceed to the next step, and if so, proceed to step S110;
  • the sound prompting unit 93 emits a prompt sound a
  • step S111 determining whether the target temperature - reference temperature ⁇ temperature difference of two tenths, if not, proceed to the next step, and if so, proceed to step S112;
  • the sound prompting unit 93 emits a prompt sound b
  • step S113 determining whether the target temperature - reference temperature ⁇ temperature difference of three tenths, if not, proceed to the next step, and if so, proceed to step S114;
  • the sound prompting unit 93 emits a prompt sound c
  • step S127 it is determined whether the target temperature - reference temperature ⁇ temperature difference, if not, then returns to step S109, and if so, step S128 is performed;
  • the voice prompting unit 93 emits a prompt tone j
  • the sound of the prompting sound a to the prompting sound j is a gentle to rapid change rule, whereby the smaller the deviation between the target temperature and the reference temperature, the smoother the prompt sound; the more the deviation between the target temperature and the reference temperature
  • the prompting sound is more urgent. Therefore, the staff can judge the approximate range of the target temperature by the prompt sound, and it is not necessary to stare at the display screen in real time to observe the temperature value.
  • the sound prompting unit 93 in the second embodiment of the present invention, as shown in FIG. 7, the sound prompting unit 93 includes a voice chip 500 and a speaker 501, and the voice chip 500 is connected to the central processing unit 90, the speaker.
  • the 501 is connected to the voice chip 500.
  • ten different prompt sounds can be set by the voice chip 500. These prompt sounds can be real human voices or other types of sounds, and the advantages of this embodiment are relatively novel.
  • the two circuit forms of the sound prompting unit 93 are only two preferred embodiments of the present invention, and are not intended to limit the present invention. In other embodiments of the present invention, other forms of circuits may also be used. A beep sounds.
  • the LED indicating unit 3 includes a red LED, a blue LED, and a green LED, and all three are connected to the central processing module 90.
  • the LED prompting the temperature change process includes the following steps:
  • step S130 determining whether the target temperature - reference temperature ⁇ temperature difference, if not, proceed to the next step, and if so, proceed to step S131;
  • step S132 determining whether the target temperature - reference temperature > temperature difference, if not, proceed to the next step, and if so, proceed to step S133;
  • step S134 it is determined whether the reference temperature - target temperature > temperature difference, if not, then returns to step S130, and if so, step S135;
  • the temperature collecting unit 91 further includes: a temperature compensation circuit 201 connected to the infrared sensor 6 for reducing temperature drift; and an amplification and calibration circuit 202.
  • the infrared sensor 6 is connected to the electrical signal output from the infrared sensor 6 for amplification and calibration, and then output to the AD conversion unit 92.
  • the temperature acquisition unit 91 can achieve temperature collection and can improve the accuracy of the temperature data.
  • the whole working process of the scanner includes the following steps:
  • S107 Compare the target temperature with the reference temperature, and control the LED and the buzzer to indicate the temperature change.
  • the face shell 8 is provided with a recessed portion, and the liquid crystal display panel 2 is received in the recessed portion and rotatably connected to the face shell 8 , and the liquid crystal display 2 is A shaft frame 10 is disposed on the shaft frame 10.
  • the shaft frame 11 is provided with a shaft hole 12, and one end of the shaft hole 11 is provided with a rotating shaft 12, and one end of the rotating shaft 12 is hidden in the surface shell 8.
  • a rotating shaft cover 13 is further disposed on the rotating shaft frame 10, and a pressing plate 14 is fixed on the rotating shaft cover 13, and the rotating shaft frame 10 is hidden by the cooperation of the rotating shaft cover 13 and the pressing plate 14, so that the liquid crystal display 2 and the surface shell 8 are The connection is more concise and beautiful.
  • the liquid crystal display panel 2 and the face shell 8 are in a rotatable connection relationship, in the process of using the temperature sweeper, as shown in FIG. 1 and FIG. 2, the liquid crystal display panel 2 can be opposed to the face shell 8 Flip to the preset angle, so that the liquid crystal display 2 and the target to be measured fall into the line of sight of the human eye at the same time, so that the worker can observe the target and temperature data.
  • the temperature sweeper further includes a head cover 15 having an infrared measuring port 150 and a laser on both sides of the infrared measuring port 150.
  • the emission hole 151 The laser beam of the laser emitting component 5 can be transmitted to the target to be measured through the laser emitting hole 151 to determine the temperature test point, and at the same time, the infrared sensor 6 senses the temperature of the target to be measured through the infrared measuring port 150.
  • the temperature sweeper further includes a threaded tube 16 disposed in the face shell 8, a laser frame 17 and an aluminum tube 18, and the infrared sensor 6 is fixed in the threaded tube 16.
  • the laser emitting assembly 5 is fixed to the laser frame 17, wherein the laser emitting assembly 5 is electrically connected to the signal processing module 9 through the interposer 19.
  • the button 7 is movably connected to the handle 1, and a switch 70 is fixed in the handle 1 opposite to the button 7.
  • the switch 70 is electrically connected to the signal processing module 9. When the button 7 is pressed, the switch 70 is closed to cause the signal processing module 9 to generate Start the signal and start temperature detection.
  • the battery 1 is also provided with a battery cover 30. The battery cover 30 and the handle 1 form a space in which the battery 31 is housed to supply power to the scanner.
  • the sound prompting unit 93 emits a prompt sound by executing a control command of the central processing unit 90.
  • the sound is smoother; when the target temperature is The closer the deviation of the reference temperature is to the set temperature difference, the more rapid the prompt tone is. Therefore, the staff can judge the approximate range of the target temperature by the prompt tone, and it is not necessary to stare at the display screen in real time to observe the temperature value.
  • the LED prompting unit 3 executes the control instruction of the central processing unit 90 to illuminate the LED of the corresponding color, and when the difference between the target temperature and the reference temperature is within the range of the set temperature difference, the LED of one color is illuminated.
  • the LEDs of other colors are illuminated, so the staff can judge whether the change of the target temperature is within the set temperature difference by the color of the LED illumination.
  • the liquid crystal display 2 and the face shell 8 are in a rotatably connected relationship, the liquid crystal display 2 can be flipped to a preset angle with respect to the face shell 8 so that the liquid crystal display 2 and the object to be measured fall into the human eye at the same time.
  • the line of sight allows the staff to observe the target and temperature data. Therefore, the temperature sweeper disclosed by the utility model not only realizes the temperature indication by a plurality of methods, but also has the advantages of simple operation, time saving and labor saving.

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Abstract

一种扫温仪包括手柄（1）及设于手柄（1）上的按钮（7）及面壳（8），面壳（8）上设有LED指示单元（3）、功能按键（4）及液晶显示屏（2），面壳（8）内设有激光发射组件（5）、红外传感器（6）及信号处理模块（9）。信号处理模块（9）包括有：一中央处理器（90），用于处理数据及发出控制指令；一温度采集单元（91），用于采集红外传感器（6）的输出信号；一AD转换单元（92），连接于温度采集单元（91）与中央处理器（90）之间，用于将温度采集单元（91）输出的电信号进行模数转换后输送至中央处理器（90）；一声音提示单元（93），连接于中央处理器（90），用于执行中央处理器（90）的控制指令而发出提示音；LED指示单元（3）电连接于中央处理器（90），用于执行中央处理器（90）的控制指令而点亮对应颜色的LED。

Description

一种扫温仪
技术领域
本实用新型涉及温度测试设备，尤其涉及一种扫温仪。
背景技术
随着测量技术的快速发展，环境监测设备已广泛应用于工业、农业、医疗及日常生活等多个领域。特别是温度检测设备的进步，已取得了很大的技术成果。目前，市场上的温度检测设备有温控表、温度计、扫温仪等。其中，扫温仪因其具有准确性和便携性等优点而占据了部分市场，现有的扫温仪常常是通过温度传感器将采集到的温度信息传送至处理器，再经处理器处理后在显示屏上显示出来。这种类型的扫温仪，工作人员只能通过观察显示屏上所指示的数据而读取温度，难以做到同时看着测量目标和显示屏，另外，当长期工作时，人们难以保持集中的注意力而容易出现误测的情况，若重新检测却又浪费了时间。因此，现有的扫温仪，其指示温度的方法较为单一，操作过程费时费力。
实用新型内容
本实用新型要解决的技术问题在于，提供一种可通过多个方法指示温度的扫温仪，以令操作过程既省时又省力。
为解决上述技术问题，本实用新型采用如下技术方案。
一种扫温仪，其包括有手柄及设于手柄上的按钮及面壳，所述面壳上设有LED指示单元、功能按键及液晶显示屏，所述面壳内设有激光发射组件、红外传感器及信号处理模块，所述信号处理模块包括有：一中央处理器，其用于处理数据及发出控制指令；一温度采集单元，其用于采集红外传感器的输出信号；一AD转换单元，其连接于温度采集单元与中央处理器之间，用于将温度采集单元输出的电信号进行模数转换后，输送至中央处理器；一声音提示单元，其连接于中央处理器，用于执行中央处理器的控制指令而发出提示音；所述LED指示单元电连接于中央处理器，其用于执行中央处理器的控制指令而点亮对应颜色的LED。
优选地，所述声音提示单元包括有一蜂鸣器，该蜂鸣器用于将中央处理器发出的脉冲信号转换为提示音。
优选地，所述声音提示单元包括有一语音芯片及一扬声器，所述语音芯片连接中央处理器，所述扬声器连接语音芯片。
优选地，所述LED指示单元3包括有一红色LED、一蓝色LED及一绿色LED，且三者均连接于中央处理模块。
优选地，所述温度采集单元进一步包括有：一温度补偿电路，其连接于红外传感器，用于减小温度漂移；一放大及校准电路，其连接于红外传感器，用于将红外传感器输出的电信号进行放大及校准后输出至AD转换单元。
优选地，所述面壳上设有一凹陷部，所述液晶显示屏收容于该凹陷部内且可转动连接于面壳。
优选地，所述液晶显示屏上设有一转轴架，该转轴架上设有一轴孔，该轴孔的两侧各设有一转轴，转轴的一端隐藏于面壳内。
优选地，所述液晶显示屏包括有一显示屏上壳及设于其下方的屏幕、背光板、屏幕驱动板及显示屏下壳。
优选地，所述扫温仪还包括有一头罩，该头罩上开设有红外测量口及位于该红外测量口两侧的激光发射孔。
优选地，所述扫温仪还包括有设于面壳内的一螺纹管、一激光架及一铝管，所述红外传感器固定于螺纹管内，所述激光发射组件固定于激光架上。
本实用新型公开一种扫温仪，在使用过程中，先检测一个温度值作为参考温度，再通过人机交互单元而设置一个温差值。该扫温仪中，声音提示单元通过执行中央处理器的控制指令而发出提示音，当目标温度与参考温度的偏差越小时，提示音越平缓；当目标温度与参考温度的偏差越接近所设置的温差值时，则提示音越急促，所以，工作人员通过提示音而判断目标温度的大致范围，无需实时地盯着显示屏而观察温度值。LED提示单元执行中央处理器的控制指令而点亮对应颜色的LED，当目标温度与参考温度的差值位于所设定的温差值的范围内时，点亮一种颜色的LED；当目标温度与参考温度的差值超出所设定的温差值范围时，点亮其他颜色的LED，所以工作人员可通过LED发光的颜色而判断目标温度的变化是否在所设定的温差值范围之内。因此，本实用新型公开的扫温仪，不仅实现了用多个方法指示温度，而且操作简单、省时省力。
附图说明
图1为本实用新型整体结构示意图。
图2为本实用新型液晶显示屏收起时的整体示意图。
图3为本实用新型中激光组件和红外传感器的剖视图。
图4为本实用新型的右视图。
图5为本实用新型的部件分解图。
图6为本实用新型的电路框图。
图7为声音提示单元的第二实施例的电路框图。
图8为温度采集单元的电路框图。
图9为本实用新型工作过程的流程图。
图10 为图9所示步骤S107中蜂鸣器提示温度变化的流程图。
图11为图9所示步骤S107中LED提示温度变化的流程图。
具体实施方式
下面结合附图和实施例对本实用新型作更加详细的描述。
本实用新型公开一种扫温仪，如图1至图6所示，其包括有手柄1及设于手柄1上的按钮7及面壳8，该面壳8上设有LED指示单元3、功能按键4及液晶显示屏2，该面壳8内设有激光发射组件5、红外传感器6及信号处理模块9，该信号处理模块9包括有：一中央处理器90，其用于处理数据及发出控制指令；一温度采集单元91，其用于采集红外传感器6的输出信号；一AD转换单元92，其连接于温度采集单元91与中央处理器90之间，用于将温度采集单元91输出的电信号进行模数转换后，输送至中央处理器90；一声音提示单元93，其连接于中央处理器90，用于执行中央处理器90的控制指令而发出提示音；LED指示单元3电连接于中央处理器90，其用于执行中央处理器90的控制指令而点亮对应颜色的LED。液晶显示屏2电连接于中央处理器90，其用于显示温度数据，功能按键4电连接于中央处理器90，其用于设定参数。上述的扫温仪在使用过程中，先检测一个温度值作为参考温度，再通过功能按键4而设置一个温差值。该扫温仪中，声音提示单元93通过执行中央处理器90的控制指令而发出提示音，当目标温度与参考温度的偏差越小时，提示音越平缓；当目标温度与参考温度的偏差越接近所设置的温差值时，则提示音越急促，所以，工作人员通过提示音而判断目标温度的大致范围，无需实时地盯着液晶显示屏2而观察温度值。LED提示单元3执行中央处理器90的控制指令而点亮对应颜色的LED，当目标温度与参考温度的差值位于所设定的温差值的范围内时，点亮一种颜色的LED；当目标温度与参考温度的差值超出所设定的温差值范围时，点亮其他颜色的LED，所以工作人员可通过LED发光的颜色而判断目标温度的变化是否在所设定的温差值范围之内。因此，本实用新型公开的扫温仪，不仅实现了用多个方法指示温度，而且操作简单、省时省力。
关于声音提示单元93，本实用新型的第一实施例中，声音提示单元93包括有一蜂鸣器，该蜂鸣器用于将中央处理器90发出的脉冲信号转换为提示音。结合图6及图10所示，蜂鸣器提示温度变化过程包括如下步骤：
S108，将该温差值十等分；
S109，判断是否目标温度-参考温度≤温差值的十分之一，若否，则执行下一步骤，若是，则执行步骤S110；
S110，声音提示单元93发出提示音a；
S111，判断是否目标温度-参考温度≤温差值的十分之二，若否，则执行下一步骤，若是，则执行步骤S112；
S112，声音提示单元93发出提示音b；
S113，判断是否目标温度-参考温度≤温差值的十分之三，若否，则执行下一步骤，若是，则执行步骤S114；
S114，声音提示单元93发出提示音c；
依次地，S127，判断是否目标温度-参考温度≤温差值，若否，则返回步骤S109，若是，则执行步骤S128；
S128，声音提示单元93发出提示音j；
上述过程中，提示音a至提示音j的声音特点为平缓至急促的变化规律，由此，当目标温度与参考温度的偏差越小时，提示音越平缓；当目标温度与参考温度的偏差越接近所设置的温差值时，则提示音越急促，所以，工作人员可通过提示音而判断目标温度的大致范围，无需实时地盯着显示屏而观察温度值。
关于声音提示单元93，本实用新型的第二实施例中，如图7所示，声音提示单元93包括有一语音芯片500及一扬声器501，所述语音芯片500连接中央处理器90，所述扬声器501连接语音芯片500。具体应用时，可通过语音芯片500而设定10个不同的提示音，这些提示音可以是真人发声也可以是其他类型的声音，该实施例的优点是较为新颖。关于声音提示单元93的两种电路形式，只是本实用新型的两个较佳的实施例，并不用于限制本实用新型，在本实用新型的其他实施例中，还可以通过其他形式的电路而发出提示音。
本实施例中，LED指示单元3包括有一红色LED、一蓝色LED及一绿色LED，且三者均连接于中央处理模块90。结合图11所示，LED提示温度变化的过程包括如下步骤：
S129，比较目标温度与参考温度；
S130，判断是否目标温度-参考温度<温差值，若否，则执行下一步骤，若是，则执行步骤S131；
S131，绿色LED点亮；
S132，判断是否目标温度-参考温度>温差值，若否，则执行下一步骤，若是，则执行步骤S133；
S133，红色LED点亮；
S134，判断是否参考温度-目标温度>温差值，若否，则返回步骤S130，若是，则执行步骤S135；
S135，蓝色LED点亮。
本实施例中，如图6及图8所示，温度采集单元91进一步包括有：一温度补偿电路201，其连接于红外传感器6，用于减小温度漂移；一放大及校准电路202，其连接于红外传感器6，用于将红外传感器6输出的电信号进行放大及校准后输出至AD转换单元92。该温度采集单元91可实现对温度的采集且能够提高温度数据的准确性。
本实施例中，如图9所示，该扫温仪的整机工作过程包括如下步骤：
S100，设备初始化；
S101，数据采集；
S102，AD转换；
S103，对测量数据进行补偿及修正；
S104，测量参考温度；
S105，设置温差值；
S106，实时检测目标温度；
S107，比较目标温度与参考温度，且控制LED与蜂鸣器提示温度变化。
本实施例中，如图1、图2及图6所示，面壳8上设有一凹陷部，所述液晶显示屏2收容于该凹陷部内且可转动连接于面壳8，液晶显示屏2上设有一转轴架10，该转轴架10上设有一轴孔11，该轴孔11的两侧各设有一转轴12，转轴12的一端隐藏于面壳8内。转轴架10上还套设有一转轴盖13，该转轴盖13上固定有一压板14，通过转轴盖13和压板14的共同作用而将转轴架10隐藏起来，使液晶显示屏2与面壳8的连接处更加简洁美观。上述结构中，由于液晶显示屏2与面壳8为可转动连接关系，所以，在使用扫温仪的过程中，结合图1及图2所示，可以将液晶显示屏2相对面壳8而翻转至预设角度，使液晶显示屏2与被测目标同时落入人眼的视线范围，便于工作人员观察被测目标和温度数据。
本实施例中，如图3、图4及图5所示，该扫温仪还包括有一头罩15，该头罩15上开设有红外测量口150及位于该红外测量口150两侧的激光发射孔151。其中，激光发射组件5的激光束可穿过激光发射孔151而发射至被测目标，从而确定温度测试点，同时，令红外传感器6通过红外测量口150而感应被测目标的温度。
本实施例中，如图5所示，扫温仪还包括有设于面壳8内的一螺纹管16、一激光架17及一铝管18，所述红外传感器6固定于螺纹管16内，所述激光发射组件5固定于激光架17上，其中，激光发射组件5通过转接板19而电连接至信号处理模块9。按钮7活动连接于手柄1，手柄1内与该按钮7相对地固定有一开关70，该开关70电连接于信号处理模块9，当按动按钮7时，开关70闭合以令信号处理模块9产生启动信号而开始进行温度检测。手柄1上还设有一电池盖30，该电池盖30与手柄1形成有一空间，电池31收容于该空间内而为扫温仪提供电源。
本实用新型公开的一种扫温仪中，声音提示单元93通过执行中央处理器90的控制指令而发出提示音，当目标温度与参考温度的偏差越小时，提示音越平缓；当目标温度与参考温度的偏差越接近所设置的温差值时，则提示音越急促，所以，工作人员可通过提示音而判断目标温度的大致范围，无需实时地盯着显示屏而观察温度值。同时，LED提示单元3执行中央处理器90的控制指令而点亮对应颜色的LED，当目标温度与参考温度的差值位于所设定的温差值的范围内时，点亮一种颜色的LED；当目标温度与参考温度的差值超出所设定的温差值范围时，点亮其他颜色的LED，所以工作人员可通过LED发光的颜色而判断目标温度的变化是否在所设定的温差值范围之内。此外，由于液晶显示屏2与面壳8为可转动连接关系，所以，可将液晶显示屏2相对面壳8而翻转至预设角度，使液晶显示屏2与被测目标同时落入人眼的视线范围，便于工作人员观察被测目标和温度数据。因此，本实用新型公开的扫温仪，不仅实现了用多个方法指示温度，而且操作简单、省时省力。
以上所述只是本实用新型较佳的实施例，并不用于限制本实用新型，凡在本实用新型的技术范围内所做的修改、等同替换或者改进等，均应包含在本实用新型所保护的范围内。

Claims (10)

  1. 一种扫温仪，其特征在于，所述扫温仪包括有手柄（1）及设于手柄（1）上的按钮（7）及面壳（8），所述面壳（8）上设有LED指示单元（3）、功能按键（4）及液晶显示屏（2），所述面壳（8）内设有激光发射组件（5）、红外传感器（6）及信号处理模块（9），所述信号处理模块（9）包括有：
    一中央处理器（90），其用于处理数据及发出控制指令；
    一温度采集单元（91），其用于采集红外传感器（6）的输出信号；
    一AD转换单元（92），其连接于温度采集单元（91）与中央处理器（90）之间，用于将温度采集单元（91）输出的电信号进行模数转换后，输送至中央处理器（90）；
    一声音提示单元（93），其连接于中央处理器（90），用于执行中央处理器（90）的控制指令而发出提示音；
    所述LED指示单元（3）电连接于中央处理器（90），其用于执行中央处理器（90）的控制指令而点亮对应颜色的LED。
  2. 如权利要求1所述的扫温仪，其特征在于，所述声音提示单元（93）包括有一蜂鸣器，该蜂鸣器用于将中央处理器（90）发出的脉冲信号转换为提示音。
  3. 如权利要求1所述的扫温仪，其特征在于，所述声音提示单元（93）包括有一语音芯片（500）及一扬声器（501），所述语音芯片（500）连接中央处理器（90），所述扬声器（501）连接语音芯片（500）。
  4. 如权利要求1所述的扫温仪，其特征在于，所述LED指示单元（3）包括有一红色LED、一蓝色LED及一绿色LED，且三者均连接于中央处理模块（90）。
  5. 如权利要求1所述的扫温仪，其特征在于，所述温度采集单元（91）进一步包括有：
    一温度补偿电路（201），其连接于红外传感器（6），用于减小温度漂移；
    一放大及校准电路（202），其连接于红外传感器（6），用于将红外传感器（6）输出的电信号进行放大及校准后输出至AD转换单元（92）。
  6. 如权利要求1所述的扫温仪，其特征在于，所述面壳（8）上设有一凹陷部，所述液晶显示屏（2）收容于该凹陷部内且可转动连接于面壳（8）。
  7. 如权利要求6所述的扫温仪，其特征在于，所述液晶显示屏（1）上设有一转轴架（10），该转轴架（10）上设有一轴孔（11），该轴孔（11）的两侧各设有一转轴（12），转轴（12）的一端隐藏于面壳（8）内。
  8. 如权利要求3所述的扫温仪，其特征在于，所述液晶显示屏（2）包括有一显示屏上壳（21）及设于其下方的屏幕（22）、背光板（23）、屏幕驱动板（24）及显示屏下壳（25）。
  9. 如权利要求1所述的扫温仪，其特征在于，所述扫温仪还包括有一头罩（15），该头罩（15）上开设有红外测量口（150）及位于该红外测量口（150）两侧的激光发射孔（151）。
  10. 如权利要求1所述的扫温仪，其特征在于，所述扫温仪还包括有设于面壳（8）内的一螺纹管（16）、一激光架（17）及一铝管（18），所述红外传感器（6）固定于螺纹管（16）内，所述激光发射组件（5）固定于激光架（17）上。
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