CN110605187A - A medical centrifuge detection device - Google Patents
A medical centrifuge detection device Download PDFInfo
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- CN110605187A CN110605187A CN201911014943.9A CN201911014943A CN110605187A CN 110605187 A CN110605187 A CN 110605187A CN 201911014943 A CN201911014943 A CN 201911014943A CN 110605187 A CN110605187 A CN 110605187A
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- 238000001514 detection method Methods 0.000 title claims abstract description 113
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 4
- 229920006324 polyoxymethylene Polymers 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 17
- 229910052744 lithium Inorganic materials 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 6
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- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 229930040373 Paraformaldehyde Natural products 0.000 abstract description 3
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- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010339 medical test Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/12—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
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Abstract
一种医用离心机检测装置，结构上由四个单元组成：机壳、转速检测单元、温度检测单元以及控制器单元；所述的转速检测单元、温度检测单元以及控制器单元直接安装在所述的机壳内部；所述的转速检测单元、温度检测单元以及控制器单元具有电气连接；所述的机壳为黑色聚甲醛材料制作而成的试管型壳体，大小与离心机试管一致；所述的转速检测单元直接安装在机壳内部的上端末侧；所述的温度检测单元安装在与转速检测单元同侧端；所述的控制器单元安装在机壳内部的下端末侧。本发明可以在不打开医用离心机上盖的情况下，同时测量其转速和温度。本发明小巧，可直接放置于医用离心机内，在其正常工作过程中完成检测，无需刻意检测，便于携带。
A medical centrifuge detection device is structurally composed of four units: a casing, a rotational speed detection unit, a temperature detection unit, and a controller unit; the rotational speed detection unit, the temperature detection unit, and the controller unit are directly installed on the Inside the casing; the speed detection unit, the temperature detection unit and the controller unit are electrically connected; the casing is a test tube shell made of black polyoxymethylene material, the size of which is consistent with the centrifuge test tube; The rotational speed detection unit is installed directly at the upper end of the casing; the temperature detection unit is installed at the same side as the rotational speed detection unit; the controller unit is installed at the lower end of the casing. The invention can simultaneously measure the rotational speed and temperature of the medical centrifuge without opening the upper cover. The invention is compact, can be directly placed in a medical centrifuge, and can be detected during its normal working process without deliberate detection, and is easy to carry.
Description
技术领域technical field
本发明是涉及医疗设备检测技术领域，具体的说是一种医用离心机检测装置。The invention relates to the technical field of medical equipment detection, in particular to a detection device for a medical centrifuge.
背景技术Background technique
在医学检验中，离心机是常作为分离血清、血浆、沉淀蛋白质或作尿沉渣检查的仪器设备。利用离心机可使混合液中的悬浮微粒快速沉淀，借以分离比重不同的各种物质的成分。In medical testing, a centrifuge is often used as an instrument for separating serum, plasma, precipitating protein, or checking urine sediment. The suspended particles in the mixed liquid can be quickly precipitated by using a centrifuge, so as to separate the components of various substances with different specific gravity.
医用离心机就是利用离心机转子高速旋转产生强大的离心力，迫使液体试样中的微粒克服扩散，加快沉降速度，把试样中具有不同沉降系数和浮力密度的物质分离开，主要分为：低速离心机、高速(冷冻)离心机以及超速(冷冻)离心机。The medical centrifuge uses the high-speed rotation of the centrifuge rotor to generate strong centrifugal force, forcing the particles in the liquid sample to overcome the diffusion, speed up the sedimentation speed, and separate the substances with different sedimentation coefficients and buoyancy densities in the sample. It is mainly divided into: low speed Centrifuges, high-speed (refrigerated) centrifuges, and ultra-speed (refrigerated) centrifuges.
医用离心机转速的准确性和稳定性保证了试样的离心效果，带有温度控制的医用离心机在离心的同时，需保证试样的活性或测试状态，需要试样快速准确达到设定的工作温度，确保试样检验的正确性。The accuracy and stability of the rotation speed of the medical centrifuge guarantee the centrifugation effect of the sample. The medical centrifuge with temperature control needs to ensure the activity or test state of the sample while centrifuging, and the sample needs to reach the set value quickly and accurately. Working temperature to ensure the correctness of sample inspection.
传统检测医用离心机是使用光电式的转速表，通过离心机盖上的观察孔进行测量，但是现在许多高速/超速离心机没有设置观察孔，尤其是高转速离心机工作时，如果需要强制将离心机上盖打开，容易损伤检测人员和设备，存在巨大的安全问题；同时对于带有温度控制的冷冻离心机也没有合适的设备进行测量。The traditional detection of medical centrifuges uses a photoelectric tachometer to measure through the observation hole on the centrifuge cover, but now many high-speed/ultracentrifuges do not have an observation hole, especially when the high-speed centrifuge is working, if it is necessary to force the The upper cover of the centrifuge is opened, which is easy to damage the testing personnel and equipment, and there is a huge safety problem; at the same time, there is no suitable equipment for measuring the refrigerated centrifuge with temperature control.
医用离心机的性能直接影响着生物医学等尖端科技的发展，由于缺乏相关的标准/规范，目前医用离心机尚未建立一套质量管理和技术检测的手段，该检测装置的建立完成将是医用离心机的校准方法和技术指标实现规范统一的有效保证，保证了其使用的安全性、稳定性和有效性，同时也保证了医用离心机效果以及用户安全，为临床工作者提供准确的参考数据，使得检验工作能更好地进行，减少由于设备原因导致的各种误诊事故的发生。The performance of medical centrifuges directly affects the development of cutting-edge technologies such as biomedicine. Due to the lack of relevant standards/standards, medical centrifuges have not yet established a set of quality management and technical testing methods. The calibration method and technical indicators of the centrifuge are effectively guaranteed to be standardized and unified, ensuring the safety, stability and effectiveness of its use, and at the same time ensuring the effect of the medical centrifuge and the safety of users, providing accurate reference data for clinical workers, The inspection work can be carried out better, and the occurrence of various misdiagnosis accidents caused by equipment reasons can be reduced.
因此，研制一款专用的医用离心机检测装置，在其正常工作状态下，不打开上盖，即可测量其转速和温度，对医用离心机质量检测提供可靠技术支持。Therefore, a special detection device for medical centrifuge was developed, which can measure its speed and temperature without opening the upper cover under its normal working condition, so as to provide reliable technical support for the quality detection of medical centrifuge.
发明内容Contents of the invention
本发明针对现有技术中的不足，提供一种医用离心机检测装置，可以在不打开医用离心机上盖的情况下，同时测量其转速和温度。本发明小巧灵活，可直接放置于医用离心机内，在医用离心机正常工作过程中完成检测，无需刻意检测，便于携带。The invention aims at the deficiencies in the prior art and provides a detection device for a medical centrifuge, which can simultaneously measure the rotating speed and temperature of the medical centrifuge without opening the upper cover of the medical centrifuge. The invention is compact and flexible, can be directly placed in the medical centrifuge, and can be detected during the normal working process of the medical centrifuge without deliberate detection, and is easy to carry.
一种医用离心机检测装置，其特征在于：结构上由四个单元组成：机壳、转速检测单元、温度检测单元以及控制器单元；其中，所述的转速检测单元、温度检测单元以及控制器单元直接安装在所述的机壳内部；所述的转速检测单元、温度检测单元以及控制器单元具有电气连接；所述的机壳为黑色聚甲醛材料制作而成的试管型壳体，大小与医用离心机试管一致；所述的转速检测单元直接安装在机壳内部的上端末侧；所述的温度检测单元安装在与转速检测单元同侧端；所述的控制器单元包括锂电池供电转换单元、无线WIFI数据传输单元以及微处理器控制单元，安装在机壳内部的下端末侧。A detection device for a medical centrifuge, characterized in that it is structurally composed of four units: a casing, a rotational speed detection unit, a temperature detection unit, and a controller unit; wherein, the rotational speed detection unit, the temperature detection unit, and the controller The unit is directly installed inside the casing; the rotation speed detection unit, the temperature detection unit and the controller unit are electrically connected; the casing is a test tube shell made of black polyoxymethylene material, the size of which is the same as The test tubes of the medical centrifuge are the same; the speed detection unit is directly installed on the upper end of the casing; the temperature detection unit is installed on the same side as the speed detection unit; the controller unit includes a lithium battery power conversion The unit, the wireless WIFI data transmission unit and the microprocessor control unit are installed at the lower end of the casing.
一种医用离心机检测装置，其特征在于：电路上有五个单元组成：转速检测单元、温度检测单元、锂电池供电转换单元、无线WIFI数据传输单元以及微处理器控制单元；所述的微处理器控制单元和所述的转速检测单元、温度检测单元、锂电池供电转换单元、无线WIFI数据传输单元具有电气连接；所述的微处理器控制单元主要包括一个处理器STM32F103C8T6用于控制整个系统工作；所述的转速检测单元主要包括一个型号为RPR220的反射式光电传感器模块，通过运算放大器OPA333进行信号放大后和微处理器控制单元输入端电气连接；所述的温度检测单元主要包括一个型号为PT100的带金属保护壳的温度传感器模块，通过运算放大器OPA333进行信号放大后和微处理器控制单元输入端电气连接；所述的锂电池供电转换单元主要包括一个锂电池充电器TP4056组成的锂电池充电电路，以及通过电源转换芯片SP6203组成的供电转换电路给转速检测单元、温度检测单元、无线WIFI数据传输单元以及微处理器控制单元供电；所述的无线WIFI数据传输单元主要包括一个WIFI模块WIFI232完成检测数据的无线上传。A medical centrifuge detection device, characterized in that: the circuit consists of five units: a rotational speed detection unit, a temperature detection unit, a lithium battery power conversion unit, a wireless WIFI data transmission unit and a microprocessor control unit; the microprocessor The processor control unit is electrically connected to the rotational speed detection unit, temperature detection unit, lithium battery power conversion unit, and wireless WIFI data transmission unit; the microprocessor control unit mainly includes a processor STM32F103C8T6 for controlling the entire system work; the rotational speed detection unit mainly includes a reflective photoelectric sensor module whose model is RPR220, and is electrically connected to the input terminal of the microprocessor control unit after the signal is amplified by the operational amplifier OPA333; the temperature detection unit mainly includes a model It is a temperature sensor module with a metal protective shell of PT100, which is electrically connected to the input terminal of the microprocessor control unit after the signal is amplified by the operational amplifier OPA333; the lithium battery power conversion unit mainly includes a lithium battery charger TP4056 composed of The battery charging circuit, and the power supply conversion circuit formed by the power conversion chip SP6203 supply power to the speed detection unit, the temperature detection unit, the wireless WIFI data transmission unit and the microprocessor control unit; the wireless WIFI data transmission unit mainly includes a WIFI module WIFI232 completes the wireless upload of detection data.
一种医用离心机检测装置，所述的机壳设有上盖、壳体以及下盖；其中，所述的上盖设有转速检测探头安装孔、充电正极、充电负极，该发明为无线装置，通过机壳设有的充电正极以及充电负极两个充电口进行充电；所述的下盖设有工作指示灯以及开机按钮；所述的壳体靠近上盖一侧设有温度检测探头安装孔，上盖、下盖通过螺纹和壳体完成机械连接。A medical centrifuge detection device, the casing is provided with an upper cover, a housing and a lower cover; wherein, the upper cover is provided with a rotation speed detection probe installation hole, a charging positive pole, and a charging negative pole. The invention is a wireless device , charge through the two charging ports of the charging positive electrode and the charging negative electrode provided on the casing; the lower cover is provided with a working indicator light and a power button; the side of the casing near the upper cover is provided with a temperature detection probe installation hole , The upper cover and the lower cover complete the mechanical connection with the shell through threads.
一种医用离心机检测装置，所述的型号为RPR220的反射式光电传感器模块设有转速检测探头；所述的转速检测探头正上方，待检测医用离心机机盖内壁需贴上感应条；所述的感应条为反光贴纸条，长宽为10mm*10mm；所述的型号为PT100的带金属保护壳的温度传感器模块设有的温度检测探头；所述的转速检测探头安装孔和所述的温度检测探头安装孔分别用来安装转速检测探头和温度检测探头。A medical centrifuge detection device, the reflective photoelectric sensor module of the model RPR220 is provided with a speed detection probe; directly above the speed detection probe, the inner wall of the cover of the medical centrifuge to be tested needs to be pasted with an induction strip; The above-mentioned induction strip is a reflective sticker strip, and the length and width are 10mm*10mm; the temperature detection probe provided by the temperature sensor module with a metal protective shell of the model PT100; the installation hole of the speed detection probe and the The mounting holes of the temperature detection probe are used to install the speed detection probe and the temperature detection probe respectively.
附图说明Description of drawings
下面结合附图对本发明作进一步详细说明。The present invention will be described in further detail below in conjunction with the accompanying drawings.
图1为本发明的原理框图；Fig. 1 is a block diagram of the present invention;
图2为本发明结构示意图。Fig. 2 is a schematic diagram of the structure of the present invention.
图1中：1、机壳；2、转速检测单元；3、温度检测单元；4、控制器单元；5、锂电池供电转换单元；6、无线WIFI数据传输单元；7、微处理器控制单元。In Figure 1: 1. Case; 2. Speed detection unit; 3. Temperature detection unit; 4. Controller unit; 5. Lithium battery power conversion unit; 6. Wireless WIFI data transmission unit; 7. Microprocessor control unit .
图2中：8、转速检测探头安装孔；9、充电正极；10、充电负极；11、工作指示灯；12、开机按钮；13、温度检测探头安装孔；14上盖；15、壳体；16下盖。In Figure 2: 8. Mounting hole for speed detection probe; 9. Positive charging pole; 10. Negative charging pole; 11. Working indicator light; 12. Start button; 13. Mounting hole for temperature detection probe; 16 lower cover.
具体实施方式Detailed ways
如图1所示：一种医用离心机检测装置，其特征在于：结构上由四个单元组成：机壳(1)、转速检测单元(2)、温度检测单元(3)以及控制器单元(4)；其中，所述的转速检测单元(2)、温度检测单元(3)以及控制器单元(4)直接安装在所述的机壳(1)内部；所述的转速检测单元(2)、温度检测单元(3)以及控制器单元(4)具有电气连接；所述的机壳(1)为黑色聚甲醛材料制作而成的试管型壳体，大小与离心机试管一致；所述的转速检测单元(2)直接安装在机壳(1)内部的上端末侧；所述的温度检测单元(3)安装在机壳(1)内部的中上端，与转速检测单元(2)同侧端；所述的控制器单元(4)包括锂电池供电转换单元(5)、无线WIFI数据传输单元(6)以及微处理器控制单元(7)，安装在机壳(1)内部的下端末侧。As shown in Figure 1: a medical centrifuge detection device is characterized in that: the structure is composed of four units: casing (1), rotational speed detection unit (2), temperature detection unit (3) and controller unit ( 4); wherein, the rotational speed detection unit (2), the temperature detection unit (3) and the controller unit (4) are directly installed inside the casing (1); the rotational speed detection unit (2) , temperature detection unit (3) and controller unit (4) have electric connection; Described casing (1) is the test tube type casing that black polyoxymethylene material is made, and size is consistent with centrifuge test tube; Described The rotational speed detection unit (2) is directly installed at the upper end of the casing (1); the temperature detection unit (3) is installed at the middle and upper end of the casing (1), on the same side as the rotational speed detection unit (2) end; the controller unit (4) includes a lithium battery power supply conversion unit (5), a wireless WIFI data transmission unit (6) and a microprocessor control unit (7), which are installed at the lower end of the inside of the casing (1) side.
如图1所示：一种医用离心机检测装置，其特征在于：电路上有五个单元组成：转速检测单元(2)、温度检测单元(3)、锂电池供电转换单元(5)、无线WIFI数据传输单元(6)以及微处理器控制单元(7)；所述的微处理器控制单元(7)和所述的转速检测单元(2)、温度检测单元(3)、锂电池供电转换单元(5)、无线WIFI数据传输单元(6)具有电气连接；所述的微处理器控制单元(7)主要包括一个处理器STM32F103C8T6用于控制整个系统工作；所述的转速检测单元(2)主要包括一个型号为RPR220的反射式光电传感器模块，通过运算放大器OPA333进行信号放大后和微处理器控制单元(7)输入端电气连接；所述的温度检测单元(3)主要包括一个型号为PT100的带金属保护壳的温度传感器模块，通过运算放大器OPA333进行信号放大后和微处理器控制单元(7)输入端电气连接；所述的锂电池供电转换单元(5)主要包括一个锂电池充电器TP4056组成的锂电池充电电路，以及通过电源转换芯片SP6203组成的供电转换电路给转速检测单元(2)、温度检测单元(3)、无线WIFI数据传输单元(6)以及微处理器控制单元(7)供电；所述的无线WIFI数据传输单元(6)主要包括一个WIFI模块WIFI232完成检测数据的无线上传。As shown in Figure 1: a medical centrifuge detection device is characterized in that: the circuit consists of five units: speed detection unit (2), temperature detection unit (3), lithium battery power conversion unit (5), wireless WIFI data transmission unit (6) and microprocessor control unit (7); described microprocessor control unit (7) and described rotational speed detection unit (2), temperature detection unit (3), lithium battery power conversion Unit (5), wireless WIFI data transmission unit (6) have electric connection; Described microprocessor control unit (7) mainly comprises a processor STM32F103C8T6 and is used for controlling the work of the whole system; Described rotational speed detection unit (2) It mainly includes a reflective photoelectric sensor module with a model number of RPR220, which is electrically connected to the input terminal of the microprocessor control unit (7) after the signal is amplified by the operational amplifier OPA333; the temperature detection unit (3) mainly includes a model of PT100 A temperature sensor module with a metal protective shell is electrically connected to the input terminal of the microprocessor control unit (7) after signal amplification by the operational amplifier OPA333; the lithium battery power conversion unit (5) mainly includes a lithium battery charger The lithium battery charging circuit composed of TP4056, and the power supply conversion circuit composed of the power conversion chip SP6203 supply the speed detection unit (2), the temperature detection unit (3), the wireless WIFI data transmission unit (6) and the microprocessor control unit (7 ) power supply; the wireless WIFI data transmission unit (6) mainly includes a WIFI module WIFI232 to complete the wireless upload of detection data.
如图2所示：一种医用离心机检测装置，使用前，将一块长宽为10mm*10mm的感应条贴于待检测离心机机盖内壁，转速检测单元(2)设有的转速检测探头正上方；在使用时，按下开机按钮(12)，工作指示灯(11)亮，将本发明直接代替离心机试管，放置于待检测医用离心机中。所谓的转速测量也就是转速检测单元(2)的光电传感器模块设有的转速检测探头感应感应条速度的过程，每转一圈转速检测探头接收到一个感应信号，通过感应间隔时间可以计算出转速大小(速度的测量也可以记录一段时间内光电传感器感应的次数)。As shown in Figure 2: a medical centrifuge detection device, before use, a sensor strip with a length and width of 10mm*10mm is pasted on the inner wall of the centrifuge cover to be tested, and the speed detection probe provided by the speed detection unit (2) Right above; when in use, press the start button (12), the work indicator light (11) is on, and the present invention directly replaces the centrifuge test tube, and is placed in the medical centrifuge to be tested. The so-called speed measurement is the process of the speed detection probe sensing the speed of the photoelectric sensor module of the speed detection unit (2). The speed detection probe receives an induction signal for each revolution, and the speed can be calculated through the sensing interval time. Size (the measurement of speed can also record the number of times the photoelectric sensor senses in a period of time).
如图2所示：一种医用离心机检测装置，在使用时，按下开机按钮(12)，工作指示灯(11)亮，将本发明直接代替离心机试管，放置于待检测医用离心机中。所谓的温度检测就是通过温度检测单元(3)的型号为PT100的带金属保护壳的温度传感器模块设有的温度检测探头的测量过程，所述的型号为PT100带金属保护壳的温度传感器模块的温度检测探头直接内嵌于机壳(1)上端一个侧面。As shown in Figure 2: a kind of medical centrifuge detection device, when in use, press start-up button (12), work indicator light (11) is bright, the present invention directly replaces centrifuge test tube, is placed in the medical centrifuge to be tested middle. So-called temperature detection is exactly the measurement process of the temperature detection probe that is provided with the temperature sensor module of PT100 band metal protective shell by the model of temperature detection unit (3), and described model is the temperature sensor module of PT100 band metal protective shell The temperature detection probe is directly embedded in one side of the upper end of the casing (1).
如图2所示：一种医用离心机检测装置，所述的机壳(1)设有上盖(14)、壳体(15)以及下盖(16)；其中，所述的上盖(14)设有转速检测探头安装孔(8)、充电正极(9)、充电负极(10)，该发明为无线装置，通过上盖(14)设有的充电正极(9)以及充电负极(10)两个充电口进行充电；所述的下盖(16)设有工作指示灯(11)以及开机按钮(12)；所述的壳体(15)靠近上盖(14)一侧设有温度检测探头安装孔(13)，上盖(14)、下盖(16)通过螺纹和壳体(15)完成机械连接。As shown in Figure 2: a kind of medical centrifuge detection device, described casing (1) is provided with loam cake (14), housing (15) and lower lid (16); Wherein, described loam cake ( 14) It is provided with a rotating speed detection probe mounting hole (8), a charging positive pole (9), and a charging negative pole (10). ) two charging ports for charging; the lower cover (16) is provided with a working indicator light (11) and a power button (12); the housing (15) is provided with a temperature The detection probe installation hole (13), the upper cover (14) and the lower cover (16) complete the mechanical connection with the housing (15) through threads.
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