SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a sealed temperature measuring probe and a temperature measuring system; the problem of be applied to the use scene and the function of each equipment in medical science laboratory, reply the sensor to the temperature quick change corresponding and guarantee temperature sensor fixed position, temperature measurement precision, leakproofness also be the required solution of this project when design and research and development is solved.
The utility model provides a sealed temperature probe, including platinum rhodium alloy sensor subassembly, its key lies in: the platinum-rhodium alloy sensor assembly is packaged in a temperature measuring cup, a temperature conducting liquid is filled in the temperature measuring cup, the platinum-rhodium alloy sensor assembly extends into the temperature conducting liquid, and a signal wire of the platinum-rhodium alloy sensor assembly extends out of the temperature measuring cup.
By adopting the scheme, the platinum-rhodium alloy sensor assembly is sealed in the temperature measuring cup and is in direct contact with the temperature conducting liquid, so that the temperature measuring precision is improved.
Further, the overall shape of the temperature measuring cup is a cone.
The upper part of the temperature measuring cup is a tubular cup, and the lower part of the temperature measuring cup is a conical cup.
By adopting the scheme, the temperature measuring cup is arranged to be a cone-shaped cup or the lower part of the temperature measuring cup is arranged to be a cone-shaped cup to be placed in the test area to prevent the temperature measuring cup from inclining. The temperature measuring cup is integrally a cone-shaped cup, so that the stability is better, and compared with the shape that the upper part is a tubular cup and the lower part is a cone-shaped cup, the volume is larger; the upper part of the temperature measuring cup is a tubular cup, the lower part of the temperature measuring cup is a conical cup, the volume of the conical cup at the lower part is smaller, the capacity is relatively smaller, and the heating efficiency is higher.
As further described, the side wall of the temperature measuring cup is coated with an insulating layer.
And coating heat preservation layers on the inner side wall and the outer side wall of the temperature measuring cup.
By adopting the scheme, the side wall of the temperature measuring cup is coated with the heat-insulating layer to prevent heat loss and influence the temperature measuring effect, and the heat conducting effect of the cup bottom which is not coated with the heat-insulating layer is not influenced.
Further, the platinum-rhodium alloy sensor combination is coated with an anti-corrosion and anti-corrosion layer.
By adopting the scheme, the platinum-rhodium alloy sensor is combined and coated with the anti-corrosion layer, and is directly contacted with the temperature conduction liquid, so that the contact area is increased, and the heat conduction loss is reduced.
Further, a sealing cup cover is arranged at the cup mouth of the temperature measuring cup.
A signal wire of the platinum-rhodium alloy sensor assembly extends out of the sealing cup cover;
a sealing ring is arranged between the sealing cup cover and the mouth of the temperature measuring cup;
the temperature-conducting liquid is water. The temperature-conducting liquid can also be a liquid medium which is easy to conduct heat, such as light oil and the like.
By adopting the scheme, the sealing cup cover is arranged at the mouth of the temperature measuring cup and the sealing ring to achieve the sealing effect, so that the temperature conducting liquid can not be splashed out and can be kept warm. The water has large specific heat capacity and good thermal conductivity.
A temperature measurement system comprises at least 1 sealed temperature measurement probe, a temperature measurement sensor, a signal acquisition unit, an analog-to-digital conversion unit, a processor and a display unit, wherein the sealed temperature measurement probe is used as the temperature measurement sensor;
the sealed temperature measuring probe comprises: the system is used for acquiring a target temperature signal;
an analog-to-digital conversion unit: the system is used for converting the simulated target temperature signal into digital temperature data;
a processor: for sending the digital temperature data to a display unit;
a display unit: for displaying a temperature value;
the temperature measuring sensor, the signal acquisition unit, the analog-to-digital conversion unit, the processor and the display unit are all in the prior art and are not described herein again.
The sealed temperature measuring probe connected with the analog-digital conversion unit or the sealed temperature measuring probe in a cone shape and a cup shape is connected with the analog-digital conversion unit;
the sealed temperature measuring probes connected with the analog-digital conversion unit are in the shape of a tubular cup at the upper part or are sealed temperature measuring probes of a conical cup at the lower part;
the sealed temperature measuring probe or the cone-shaped cup-shaped sealed temperature measuring probe connected with the analog-digital conversion unit is combined and matched with the upper tubular cup and the lower cone-shaped cup-shaped sealed temperature measuring probe.
The at least one temperature measuring cup is respectively arranged in a temperature control area A, a temperature control area B and a temperature control area C;
the temperature measuring cup is connected with the signal acquisition unit through a signal wire;
the signal acquisition unit transmits acquired signals to the analog-to-digital conversion unit, and the analog-to-digital conversion unit transmits the converted digital temperature signals to the processor and then transmits the digital temperature signals to the display unit through the processor to display temperature values.
At least 1 temperature measuring cup in the temperature control area A, the temperature control area B and the temperature control area C is a cone-shaped cup;
at least 1 temperature measuring cup in the temperature control area A, the temperature control area B and the temperature control area C is a tubular cup at the upper part and a conical cup at the lower part;
the upper part of at least 1 temperature measuring cup in the temperature control area A, the temperature control area B and the temperature control area C is a tubular cup, the lower part of the temperature measuring cup is a conical cup and the whole temperature measuring cup is a conical cup.
By adopting the scheme, the temperature measuring cups in different shapes are selected according to the specific conditions of the experiment, so that the experiment flexibility is improved. For example, temperature measurement requires a more sensitive temperature measurement cup, and the upper part of the shape is tubular cup and the lower part is conical cup.
The utility model has the advantages that: the device is used for the design and application of more precise equipment in a medical laboratory, relatively smaller temperature control space, part of the device also needs to be sealed and an opposite sex sensor. The integrated special sealed temperature measuring probe is adopted, the internal sensor is composed of a precision platinum thermal resistance element and a protective layer processed by a special process, and due to the stable property of platinum, the physical or chemical change caused by high and low temperature can not be applied to the measurement condition in a medical laboratory. The problems that temperature measuring devices are unstable in placement, prone to toppling, not sealed, low in temperature measuring precision and not good in heat preservation performance are solved.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As can be seen from fig. 1, a sealed temperature probe comprises a platinum rhodium alloy sensor assembly 1, wherein: the platinum-rhodium alloy sensor assembly 1 is packaged in a temperature measuring cup 2, a temperature conducting liquid is filled in the temperature measuring cup 2, the platinum-rhodium alloy sensor assembly 1 extends into the temperature conducting liquid, and a signal wire of the platinum-rhodium alloy sensor assembly 1 extends out through the temperature measuring cup 2. The whole temperature measuring cup 2 is a cone-shaped cup.
The side wall of the temperature measuring cup 2 is coated with a heat preservation layer 4.
And the platinum-rhodium alloy sensor assembly 1 is coated with an anti-corrosion and anti-corrosion layer.
A sealing cup cover 3 is arranged at the cup mouth of the temperature measuring cup 2;
as can be seen from fig. 2, the shape of the temperature measuring cup 2 is that the upper part is a tubular cup and the lower part is a cone cup.
As can be seen from figure 3, the cup mouth of the temperature measuring cup 2 is provided with a sealing cup cover 3;
a signal wire of the platinum-rhodium alloy sensor assembly 1 extends out through the sealing cup cover 3;
a sealing ring 5 is arranged between the sealing cup cover 3 and the cup mouth of the temperature measuring cup 2;
the temperature-conducting liquid is water.
As can be seen from fig. 4, a temperature measurement system includes at least 1 temperature measurement sensor, a signal acquisition unit, an analog-to-digital conversion unit, a processor, and a display unit;
the sealed temperature measuring probe comprises: the system is used for acquiring a target temperature signal;
an analog-to-digital conversion unit: the system is used for converting the simulated target temperature signal into digital temperature data;
a processor: for sending the digital temperature data to a display unit;
a display unit: for displaying a temperature value;
wherein the temperature sensor is a sealed temperature probe.
The sealed temperature measuring probe connected with the analog-digital conversion unit or the sealed temperature measuring probe in a cone shape and a cup shape is connected with the analog-digital conversion unit;
the sealed temperature measuring probes connected with the analog-digital conversion unit are in the shape of a tubular cup at the upper part or are sealed temperature measuring probes of a conical cup at the lower part;
the sealed temperature measuring probe or the cone-shaped cup-shaped sealed temperature measuring probe connected with the analog-digital conversion unit is combined and matched with the upper tubular cup and the lower cone-shaped cup-shaped sealed temperature measuring probe.
The utility model discloses a theory of operation: and (3) selecting an integrated special sealed temperature measuring probe to be placed in a test area according to experimental requirements, and inserting the integrated special sealed temperature measuring probe into transmission equipment connected with a signal wire of the platinum-rhodium alloy temperature sensor.