CN110160665A - Temperature measuring and recording instrument - Google Patents
Temperature measuring and recording instrument Download PDFInfo
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- CN110160665A CN110160665A CN201910536284.9A CN201910536284A CN110160665A CN 110160665 A CN110160665 A CN 110160665A CN 201910536284 A CN201910536284 A CN 201910536284A CN 110160665 A CN110160665 A CN 110160665A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 99
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 57
- 238000005259 measurement Methods 0.000 claims abstract description 35
- 230000003044 adaptive effect Effects 0.000 claims abstract description 14
- 238000013500 data storage Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 5
- 229910001416 lithium ion Inorganic materials 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000002103 nanocoating Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000011152 fibreglass Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
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Abstract
本发明公开了温度测量记录仪，包括在温度较低时对温度测量记录仪的所有电路系统进行自动加温的温度自适应自动加温电路、用于目标温度测量及温度数据存储的核心测量记录电路、低温防护结构；温度自适应自动加温电路和核心测量记录电路安装于低温防护结构内。本发明通过低温防护结构可以对温度测量记录仪进行被动低温保护；通过温度自适应自动加温电路可以在温度测量记录仪即将低于其正常工作温度时候进行加温，使得温度测量记录仪始终处于能工作的温度，能够有效解决现有温度测量记录仪在温度低于‑40℃时失效，而不能有效获取测量数据的问题，实现温度测量记录仪在低温(低于‑40℃)时能够对温度进行较长时间的测量与记录。
The invention discloses a temperature measurement recorder, which includes a temperature self-adaptive automatic heating circuit for automatically heating all circuit systems of the temperature measurement recorder when the temperature is low, and a core measurement record for target temperature measurement and temperature data storage The circuit, the low temperature protection structure; the temperature adaptive automatic heating circuit and the core measurement recording circuit are installed in the low temperature protection structure. The invention can passively protect the temperature measurement recorder from low temperature through the low temperature protection structure; through the temperature self-adaptive automatic heating circuit, the temperature measurement recorder can be heated when the temperature measurement recorder is about to be lower than its normal working temperature, so that the temperature measurement recorder is always at The working temperature can effectively solve the problem that the existing temperature measurement recorder fails when the temperature is lower than -40°C, and cannot effectively obtain the measurement data, and realizes that the temperature measurement recorder can be used at low temperatures (below -40°C). The temperature is measured and recorded for a long time.
Description
技术领域technical field
本发明属于温度测量技术领域，具体涉及温度测量记录仪。The invention belongs to the technical field of temperature measurement, in particular to a temperature measurement recorder.
背景技术Background technique
目前，温度测量记录仪的设计方法很多，但大多是针对常规使用环境，并没有特别针对低温环境(低于-40℃)长期使用的温度测量记录仪，而现在普遍使用的温度测量记录仪在温度低于-40℃时会失效，从而导致记录仪失效不能有效获取测量数据。At present, there are many design methods for temperature measurement recorders, but most of them are for routine use environments, and there is no temperature measurement recorder for long-term use in low temperature environments (below -40°C). When the temperature is lower than -40°C, it will fail, which will cause the recorder to fail and cannot effectively obtain measurement data.
发明内容Contents of the invention
本发明的目的就在于为了解决上述问题而提供温度测量记录仪。The object of the present invention is to provide a temperature measurement recorder in order to solve the above problems.
本发明通过以下技术方案来实现上述目的：The present invention achieves the above object through the following technical solutions:
温度测量记录仪，包括：Temperature measurement recorder, including:
在温度较低时对温度测量记录仪的所有电路系统进行自动加温的温度自适应自动加温电路，温度自适应自动加温电路的温度测量端置于核心测量记录电路上；A temperature-adaptive automatic heating circuit that automatically heats all the circuit systems of the temperature measurement recorder when the temperature is low, and the temperature measurement end of the temperature-adaptive automatic heating circuit is placed on the core measurement and recording circuit;
用于目标温度测量及温度数据存储的核心测量记录电路；Core measurement recording circuit for target temperature measurement and temperature data storage;
低温防护结构；温度自适应自动加温电路和核心测量记录电路安装于低温防护结构内。Low temperature protection structure; temperature adaptive automatic heating circuit and core measurement and recording circuit are installed in the low temperature protection structure.
具体地，低温防护结构包括依次由外向内包覆的金属外壳、隔热纳米涂料层、耐低温发泡硅胶层、玻璃纤维毡层；温度自适应自动加温电路和核心测量记录电路包覆在玻璃纤维毡层内。Specifically, the low-temperature protection structure includes a metal shell, a heat-insulating nano-coating layer, a low-temperature-resistant foamed silica gel layer, and a glass fiber felt layer that are sequentially covered from outside to inside; the temperature-adaptive automatic heating circuit and the core measurement and recording circuit are wrapped in the Inside the fiberglass mat layer.
具体地，温度自适应自动加温电路包括：Specifically, the temperature adaptive automatic heating circuit includes:
温度传感器；温度传感器安装于核心测量记录电路的电路板上，并实时测量电路板上的温度；Temperature sensor; the temperature sensor is installed on the circuit board of the core measurement and recording circuit, and measures the temperature on the circuit board in real time;
加热丝；温度自适应自动加温电路和核心测量记录电路用绝缘胶绝缘防护；加热丝缠裹在通过绝缘胶绝缘防护的温度自适应自动加温电路和核心测量记录电路上；Heating wire; the temperature self-adaptive automatic heating circuit and the core measurement and recording circuit are insulated and protected with insulating glue; the heating wire is wrapped on the temperature-adaptive automatic heating circuit and the core measurement and recording circuit that are insulated and protected by insulating glue;
加热丝加温开关；加热丝加温开关用于加热丝的工作状态开断控制；Heating wire heating switch; the heating wire heating switch is used for on-off control of the working state of the heating wire;
加温开关控制单元；加温开关控制单元的控制信号输出端与加热丝加温开关的控制信号输入端连接，温度传感器的数据信号输出端与加温开关控制单元的数据信号输入端连接。Heating switch control unit; the control signal output end of the heating switch control unit is connected to the control signal input end of the heating wire heating switch, and the data signal output end of the temperature sensor is connected to the data signal input end of the heating switch control unit.
优选地，温度传感器检测温度低于0℃时，加温开关控制单元控制开启加热丝加温开关，加热丝工作；当温度大于10℃时，加温开关控制单元控制断开加热丝加温开关，加热丝不工作。Preferably, when the temperature detected by the temperature sensor is lower than 0°C, the heating switch control unit controls to turn on the heating switch of the heating wire, and the heating wire works; when the temperature is greater than 10°C, the heating switch control unit controls to turn off the heating switch of the heating wire , the heating wire does not work.
具体地，核心测量记录电路包括：Specifically, the core measurement recording circuit includes:
用于综合控制温度测量、存储、数据回读、存储器格式化以及系统自检的核心控制器；Core controller for comprehensive control of temperature measurement, storage, data readback, memory formatting and system self-test;
用于目标温度测量的温度测量传感器；A temperature measurement sensor for target temperature measurement;
存储器；核心控制器的数据信号端口分别与温度测量传感器的数据信号端口和存储器的数据信号端口连接；memory; the data signal port of the core controller is respectively connected with the data signal port of the temperature measurement sensor and the data signal port of the memory;
用于电能提供和电源电压转换的电源单元；电源单元与核心控制器电性连接。A power supply unit for power supply and power voltage conversion; the power supply unit is electrically connected to the core controller.
优选地，电源单元包括耐低温锂离子电池和电源电压转换单元。Preferably, the power supply unit includes a low-temperature resistant lithium-ion battery and a power supply voltage conversion unit.
优选地，核心控制器为FPGA、CPLD或单片机。Preferably, the core controller is FPGA, CPLD or single-chip microcomputer.
优选地，温度测量传感器为热电偶或热敏电阻。Preferably, the temperature measuring sensor is a thermocouple or a thermistor.
本发明的有益效果在于：The beneficial effects of the present invention are:
本发明的温度测量记录仪；Temperature measurement recorder of the present invention;
1、通过低温防护结构可以对温度测量记录仪进行被动低温保护；通过温度自适应自动加温电路可以在温度测量记录仪即将低于其正常工作温度时候进行加温，使得温度测量记录仪始终处于能工作的温度，能够有效解决现有温度测量记录仪在温度低于-40℃时失效，而不能有效获取测量数据的问题，实现温度测量记录仪在低温(低于-40℃)时能够对温度进行较长时间的测量与记录。1. Through the low temperature protection structure, the temperature measurement recorder can be passively protected from low temperature; through the temperature self-adaptive automatic heating circuit, the temperature measurement recorder can be heated when the temperature measurement recorder is about to be lower than its normal operating temperature, so that the temperature measurement recorder is always at The working temperature can effectively solve the problem that the existing temperature measurement recorder fails when the temperature is lower than -40°C, and cannot effectively obtain measurement data, and realizes that the temperature measurement recorder can be used at low temperatures (below -40°C). The temperature is measured and recorded for a long time.
附图说明Description of drawings
图1是本发明的系统示意图；Fig. 1 is a schematic diagram of the system of the present invention;
图2是本发明中低温防护结构示意图；Fig. 2 is a schematic diagram of the medium and low temperature protection structure of the present invention;
图3是本发明中温度自适应自动加温电路的结构示意图；Fig. 3 is the structural representation of temperature adaptive automatic heating circuit in the present invention;
图4是本发明中核心测量记录电路的结构示意图；Fig. 4 is the structural representation of core measurement record circuit among the present invention;
图5是本发明中电源单元的组成示意图。Fig. 5 is a schematic diagram of the composition of the power supply unit in the present invention.
图中：101—低温防护结构，102—温度自适应自动加温电路，103—核心测量记录电路，201—金属外壳，202—隔热纳米涂料层，203—耐低温发泡硅胶层，204—玻璃纤维毡层，301—温度传感器，302—加热丝，303—加热丝加温开关，304—加温开关控制单元，401—核心控制器，402—温度测量传感器，403—存储器，404—电源单元，501—耐低温锂离子电池，502—电源电压转换单元。In the figure: 101—low temperature protection structure, 102—temperature adaptive automatic heating circuit, 103—core measurement and recording circuit, 201—metal shell, 202—heat insulation nano coating layer, 203—low temperature resistant foamed silicone layer, 204— Glass fiber mat layer, 301—temperature sensor, 302—heating wire, 303—heating wire heating switch, 304—heating switch control unit, 401—core controller, 402—temperature measurement sensor, 403—memory, 404—power supply Unit, 501—low temperature resistant lithium ion battery, 502—power supply voltage conversion unit.
具体实施方式Detailed ways
下面结合附图对本发明作进一步说明：The present invention will be further described below in conjunction with accompanying drawing:
实施例1，如图1所示；Embodiment 1, as shown in Figure 1;
温度测量记录仪，包括：Temperature measurement recorder, including:
在温度较低时对温度测量记录仪的所有电路系统进行自动加温的温度自适应自动加温电路102，温度自适应自动加温电路102的温度测量端置于核心测量记录电路103上；When the temperature is low, all circuit systems of the temperature measurement recorder are automatically heated to a temperature adaptive automatic heating circuit 102, and the temperature measurement end of the temperature adaptive automatic heating circuit 102 is placed on the core measurement recording circuit 103;
用于目标温度测量及温度数据存储的核心测量记录电路103；Core measurement recording circuit 103 for target temperature measurement and temperature data storage;
低温防护结构101；温度自适应自动加温电路102和核心测量记录电路103安装于低温防护结构101内。The low temperature protection structure 101 ; the temperature adaptive automatic heating circuit 102 and the core measurement recording circuit 103 are installed in the low temperature protection structure 101 .
实施例2，如图2所示；Embodiment 2, as shown in Figure 2;
本实施例与实施例1的区别在于：低温防护结构101包括依次由外向内包覆的金属外壳201、隔热纳米涂料层202、耐低温发泡硅胶层203、玻璃纤维毡层204；温度自适应自动加温电路102和核心测量记录电路103包覆在玻璃纤维毡层204内。The difference between this embodiment and Embodiment 1 is that: the low temperature protection structure 101 includes a metal shell 201, a heat-insulating nano-coating layer 202, a low-temperature resistant foamed silica gel layer 203, and a glass fiber felt layer 204; Adaptive automatic heating circuit 102 and core measurement and recording circuit 103 are covered in glass fiber felt layer 204 .
隔热纳米涂料层202是涂覆在金属外壳201内层；The heat-insulating nano coating layer 202 is coated on the inner layer of the metal shell 201;
实施例3，如图3所示；Embodiment 3, as shown in Figure 3;
本实施例与实施例1的区别在于：温度自适应自动加温电路102包括：The difference between this embodiment and Embodiment 1 is that the temperature adaptive automatic heating circuit 102 includes:
温度传感器301；温度传感器301安装于核心测量记录电路103的电路板上，并实时测量电路板上的温度；Temperature sensor 301; temperature sensor 301 is installed on the circuit board of core measurement recording circuit 103, and measures the temperature on circuit board in real time;
加热丝302；温度自适应自动加温电路102和核心测量记录电路103用绝缘胶绝缘防护；加热丝302缠裹在通过绝缘胶绝缘防护的温度自适应自动加温电路102和核心测量记录电路103上；Heating wire 302; temperature adaptive automatic heating circuit 102 and core measurement and recording circuit 103 are insulated and protected with insulating glue; heating wire 302 is wrapped around temperature adaptive automatic heating circuit 102 and core measurement and recording circuit 103 protected by insulating glue superior;
加热丝加温开关303；加热丝加温开关303用于加热丝302的工作状态开断控制；The heating wire heating switch 303; the heating wire heating switch 303 is used for on-off control of the working state of the heating wire 302;
加温开关控制单元304；加温开关控制单元304的控制信号输出端与加热丝加温开关303的控制信号输入端连接，温度传感器301的数据信号输出端与加温开关控制单元304的数据信号输入端连接。Heating switch control unit 304; the control signal output end of heating switch control unit 304 is connected with the control signal input end of heating wire heating switch 303, the data signal output end of temperature sensor 301 is connected with the data signal of heating switch control unit 304 input connection.
实施例4；Embodiment 4;
本实施例与实施例3的区别在于：温度传感器301检测温度低于0℃时，加温开关控制单元304控制开启加热丝加温开关303，加热丝302工作；当温度大于10℃时，加温开关控制单元304控制断开加热丝加温开关303，加热丝302不工作。The difference between this embodiment and Embodiment 3 is that: when the temperature detected by the temperature sensor 301 is lower than 0°C, the heating switch control unit 304 controls to turn on the heating wire heating switch 303, and the heating wire 302 works; The temperature switch control unit 304 controls to turn off the heating wire heating switch 303, and the heating wire 302 does not work.
实施例5，如图4所示；Embodiment 5, as shown in Figure 4;
本实施例与实施例1-4任一项的区别在于：核心测量记录电路103包括：The difference between this embodiment and any one of Embodiments 1-4 is that the core measurement recording circuit 103 includes:
用于综合控制温度测量、存储、数据回读、存储器403格式化以及系统自检的核心控制器401；A core controller 401 for comprehensively controlling temperature measurement, storage, data read-back, memory 403 formatting and system self-test;
用于目标温度测量的温度测量传感器402；A temperature measurement sensor 402 for target temperature measurement;
存储器403；核心控制器401的数据信号端口分别与温度测量传感器402的数据信号端口和存储器403的数据信号端口连接；存储器403可以根据通道数、采样率、测量时间来确定存储容量从而进行选择，常用的有磁阻存储器403、FLASH存储器403等；Memory 403; the data signal port of the core controller 401 is connected with the data signal port of the temperature measurement sensor 402 and the data signal port of the memory 403 respectively; the memory 403 can determine the storage capacity according to the channel number, sampling rate, and measurement time so as to select, Commonly used are magnetoresistive memory 403, FLASH memory 403, etc.;
用于电能提供和电源电压转换的电源单元404；电源单元404与核心控制器401电性连接。A power supply unit 404 for power supply and power voltage conversion; the power supply unit 404 is electrically connected to the core controller 401 .
实施例6，如图5所示；Embodiment 6, as shown in Figure 5;
本实施例与实施例5的区别在于：电源单元404包括耐低温锂离子电池501和电源电压转换单元502。其中，电源电压转换单元502将锂离子电池的电压转换成核心测量记录电路103板上芯片所需的电压如3.3V等。The difference between the present embodiment and the fifth embodiment is that the power supply unit 404 includes a low-temperature resistant lithium-ion battery 501 and a power supply voltage conversion unit 502 . Wherein, the power supply voltage conversion unit 502 converts the voltage of the lithium-ion battery into the voltage required by the chip on the core measurement and recording circuit 103 , such as 3.3V.
实施例7；Embodiment 7;
本实施例与实施例5的区别在于：核心控制器401为FPGA、CPLD或单片机。The difference between this embodiment and Embodiment 5 is that: the core controller 401 is FPGA, CPLD or single-chip microcomputer.
实施例8；Embodiment 8;
本实施例与实施例5的区别在于：温度测量传感器402可以根据应用需求，如测量范围、测量精度要求、响应时间等进行选取，常用的温度测量传感器402为热电偶或热敏电阻。The difference between this embodiment and Embodiment 5 is that the temperature measurement sensor 402 can be selected according to application requirements, such as measurement range, measurement accuracy requirements, response time, etc., and the commonly used temperature measurement sensor 402 is a thermocouple or a thermistor.
本申请中，温度传感器301在进行温度测量存储的过程中，用于实时检测核心电路板上的温度；温度传感器301，在进行温度测量存储的过程中，用于实时检测核心电路板上温度；包含加热丝302，用于对核心电路系统加热；包含加热丝加温开关303，用于对加热丝302加热功能的开启与关闭；包含加温开关控制单元304，根据的温度传感器301，在进行温度测量存储的过程中，实时测量的核心电路板上温度，在温度低于0℃时开始加温，在温度高于10℃停止加温。In this application, the temperature sensor 301 is used to detect the temperature on the core circuit board in real time during the temperature measurement and storage process; the temperature sensor 301 is used to detect the temperature on the core circuit board in real time during the temperature measurement and storage process; It includes a heating wire 302 for heating the core circuit system; it includes a heating wire heating switch 303 for turning on and off the heating function of the heating wire 302; it includes a heating switch control unit 304 based on a temperature sensor 301, which is In the process of temperature measurement and storage, the temperature on the core circuit board is measured in real time, and the heating starts when the temperature is lower than 0°C, and stops when the temperature is higher than 10°C.
以上显示和描述了本发明的基本原理、主要特征和优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其效物界定。The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their effects.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050599U (en) * | 1988-12-24 | 1990-01-03 | 天津商学院制冷技术研究所 | Tracking recording device for the data of temp. |
| CN105094172A (en) * | 2015-05-25 | 2015-11-25 | 浪潮集团有限公司 | Method for realizing low-temperature starting of equipment in circuit board |
| CN209841209U (en) * | 2019-06-20 | 2019-12-24 | 中国工程物理研究院总体工程研究所 | Temperature measuring recorder |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050599U (en) * | 1988-12-24 | 1990-01-03 | 天津商学院制冷技术研究所 | Tracking recording device for the data of temp. |
| CN105094172A (en) * | 2015-05-25 | 2015-11-25 | 浪潮集团有限公司 | Method for realizing low-temperature starting of equipment in circuit board |
| CN209841209U (en) * | 2019-06-20 | 2019-12-24 | 中国工程物理研究院总体工程研究所 | Temperature measuring recorder |
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Application publication date: 20190823 |