CN204924498U - Utilize benzoic acid condensation point wen ping to carry out equipment of temperature correction - Google Patents
Utilize benzoic acid condensation point wen ping to carry out equipment of temperature correction Download PDFInfo
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- CN204924498U CN204924498U CN201520282971.XU CN201520282971U CN204924498U CN 204924498 U CN204924498 U CN 204924498U CN 201520282971 U CN201520282971 U CN 201520282971U CN 204924498 U CN204924498 U CN 204924498U
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- benzoic acid
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- temperature correction
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Abstract
The utility model belongs to the technical field of the measurement, concretely relates to utilize benzoic acid condensation point wen ping to carry out equipment of temperature correction. Utilize benzoic acid condensation point wen ping to carry out equipment of temperature correction includes that the benzoic acid solidifying point reappears the save set, its characterized in that, equipment still including being located the benzoic acid solidifying point container that the benzoic acid solidifying point reappears the save set, container upper portion have the medium to pack mouthful, have a thermometer trap in the positive centre of container, the thermometer trap be the closed cavity in open -top bottom. The utility model has the advantages of (1 )The degree of accuracy of calibration is high, (2 )The good reliability, (3 )Portable, applicable field usage, (4 )The security is high. The utility model discloses a device has realistic meaning to tracing to the source of specific crucial temperature spot, can further study the organic medium condensation point temperature level ground device of other temperature spots.
Description
Technical field
The utility model belongs to field of measuring techniques, is specifically related to a kind of equipment utilizing benzoic acid condensation point Wen Ping to carry out temperature correction.
Background technology
In food security, biomedicine field, need in its industrial processes to carry out sterilization treatment, this is a committed step, is related to the life security of the quality of production and the people.And common moist heat sterilization temperature is near 120 DEG C, therefore having a large amount of thermometers or temperature sensor needs to calibrate near 120 DEG C.Adopt at present usually standard thermometer and be calibrated thermometer and put into a warm field (as calibration cell) and carry out indicating value and compare, read the reading of tested thermometer and standard thermometer respectively, calculate the error of indication or modified value.
Above-mentioned device generally uses at present, and its shortcoming is as follows:
1. standard thermometer can cause misalignment because of factors such as collision, vibrations, and not easily find, after misalignment to be found, the data of carrying out from misalignment this standard thermometer of all employings between the previous calibration interval calibrating all should be recovered by regulation, bring imponderable loss to production and application person.
2. the impact of calibration cell temperature field on calibration result is larger, the method to be calibrated thermometer and calibration cell liquid directly put into by standard thermometer, due to direct contact medium liquid and the position of two thermometers is different, on calibration result impact comparatively greatly, the expanded uncertainty of temperature correction result is greater than 0.1 DEG C for the homogeneity of temperature field and undulatory property.
3. as adopted mercury thermometer to produce poisonous mercury vapour as standard thermometer because frangible meeting causes the mercury be scattered not easily to process.
Therefore need to design the benzoic acid condensation point Wen Ping that utilizes that a kind of stability is high, repdocutbility good, security is high and carry out the equipment of temperature correction.
Utility model content
In order to solve above-mentioned technical matters, the utility model provides a kind of equipment utilizing benzoic acid condensation point Wen Ping to carry out temperature correction at 122 DEG C, and in equipment provided by the utility model, benzoic acid solidifying point bottle can repeated multiple times Long-Time Service.
The utility model utilizes benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction, comprise benzoic acid solidifying point reproduction save set, this equipment also comprises the benzoic acid freezing point container being positioned at benzoic acid solidifying point reproduction save set, upper vessel portion has Filled Dielectrics mouth, have thermometer trap in the middle of benzoic acid freezing point container, thermometer trap is the cavity of open top bottom closure.
The inwall of benzoic acid solidifying point reproduction save set has support, and benzoic acid freezing point container is flexibly connected with support; Benzoic acid freezing point container also can be placed in benzoic acid solidifying point reproduction save set by other form, as arranged a shelf on the inwall of benzoic acid solidifying point reproduction save set, this shelf is arranged a circular hole matched with benzoic acid freezing point container diameter, benzoic acid freezing point container is placed in circular hole, thus reaches object benzoic acid freezing point container being fixed on benzoic acid solidifying point reproduction save set inside.
Water bath is comprised in benzoic acid solidifying point reproduction save set, the baffle plate of band circular hole is had in the middle of water bath, baffle plate while be benzoic acid freezing point container, the another side of baffle plate has stirrer, the puddler of stirrer and stirring arm are positioned at benzoic acid solidifying point reproduction save set, and benzoic acid solidifying point reproduction save set is also connected with Programmable Temperature control module.
Preferably, benzoic acid freezing point container is cylindrical double-deck GG-17 glass structure.
The material of above-mentioned thermometer trap is GG-17 glass.
Above-mentioned Filled Dielectrics mouth has sealing-plug with matching, and when sealing-plug being placed in Filled Dielectrics mouth place, benzoic acid freezing point container is in sealing state.
Above-mentioned thermometer trap is cylindrical.
The diameter of above-mentioned thermometer trap is the 1/10-1/7 of benzoic acid freezing point container diameter.The diameter of preferred thermometer trap is the 1/10-1/8 of benzoic acid freezing point container diameter.
The height of above-mentioned thermometer trap is the 2/5-4/5 of benzoic acid freezing point container height.
The opening part of above-mentioned thermometer trap is higher than benzoic acid freezing point container 1-3cm.
The beneficial effects of the utility model are:
(1) accuracy of calibrating is high
Temperature field provided by the utility model is provided by the benzoic Wen Ping of solidifying, due to liquid-solid equilibria heat release, temperature remains unchanged, temperature field precision improves greatly, eliminate the homogeneity of calibration cell temperature field, fluctuation degree to the impact brought, and the accuracy of benzoic acid solidifying point temperature level ground temperature is higher than the accuracy of classic method accepted standard thermometer, improve the accuracy of calibration, the expanded uncertainty of temperature correction result is less than 0.04 DEG C.
(2) portable, applicable onsite application
Device volume of the present utility model is little, be easy to carry, and is applicable to onsite application;
(3) security is high
The utility model avoids and adopts mercury thermometer to produce the defect of poisonous mercury vapour as standard thermometer because frangible meeting causes the mercury be scattered not easily to process, and improves security.
The utility model has realistic meaning to specific tracing to the source of key temperatures point, can first promote the use of at food, medicine manufacture, and then can study the organic media condensation point temperature level ground device of other temperature spots.
Accompanying drawing explanation
Fig. 1 is benzoic acid Melting And Solidification temperature curve schematic diagram;
Fig. 2 is the structural representation of the benzoic acid solidifying point bottle of utility model;
Fig. 3 is the structural representation of utility model works state.
In figure, 1-Filled Dielectrics mouth, 2-thermometer trap, 3-benzoic acid, 4-sealing-plug, 5-benzoic acid freezing point container, 6-benzoic acid solidifying point reproduction save set, 7-stirrer, 8-Programmable Temperature control module, 9-is calibrated thermometer, 10-baffle plate, 11-shelf.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described, so that those skilled in the art more understands the utility model, but does not limit the utility model with this.
Embodiment 1
(1) making of benzoic acid solidifying point bottle:
The inwall organic solvent of benzoic acid freezing point container, alkali lye, dust technology, three purified water are cleaned successively, and dried; Load in above-mentioned container through physics sublimation purifying purify purity be 99.98% benzoic acid vacuumize after by container closure.Can repeated multiple timesly use after benzoic acid solidifying point bottle completes, number of times is greater than 300 times, and term of life was more than 1 year.
I.e. benzoic acid solidifying point bottle after loading the above-mentioned benzoic acid through purifying in benzoic acid freezing point container.
(2) temperature correction:
Benzoic acid freezing point container is placed in benzoic acid solidifying point reproduction save set, setting temperature control program induction benzoic acid solidifies warm level ground and occurs, is calibrated thermometer indicating value and benzoic acid freezing point temperature and is 122.353 DEG C by being calibrated in thermometer trap that thermometer inserts on bottle to read and compares and carry out temperature correction.Setting temperature control program is carried out temperature and is controlled to be specially: begin to warm to 120 DEG C from room temperature, constant temperature 10min; Then be raised to 125 DEG C, constant temperature 20min guarantees that benzoic acid melts completely, and 20min cools to 121 DEG C of constant temperature 10min, forms solid-liquid state in bottle, is warming up to 122.34 DEG C and constant temperature.
The benzoic acid condensation point Wen Ping that utilizes used in the utility model carries out the equipment of temperature correction, and its concrete structure is as follows:
This equipment comprises benzoic acid solidifying point reproduction save set 6, and also comprise the benzoic acid solidifying point bottle 5 being positioned at benzoic acid solidifying point reproduction save set 6, benzoic acid solidifying point bottle 5 is cylindrical double-deck GG-17 glass structure;
Water bath is comprised in benzoic acid solidifying point reproduction save set 6, the baffle plate of band circular hole is had in the middle of water bath, baffle plate while be benzoic acid solidifying point bottle 5, the another side of baffle plate has stirrer 7, the puddler of stirrer 7 and stirring arm are positioned at benzoic acid solidifying point reproduction save set 6, and benzoic acid solidifying point reproduction save set 6 is also connected with Programmable Temperature control module 8.
Filled Dielectrics mouth 1 is arranged at benzoic acid solidifying point bottle 5 top, and above-mentioned Filled Dielectrics mouth 1 has sealing-plug 4 with matching, and when sealing-plug 4 being placed in Filled Dielectrics mouth 1 place, benzoic acid solidifying point bottle 5 is in sealing state.
Have thermometer trap 2 in the middle of bottle, thermometer trap 2 is the cavity of open top bottom closure.The material of thermometer trap 2 is also GG-17 glass, and thermometer trap 2 is cylindrical, and the diameter of thermometer trap 2 is 1/8 of benzoic acid solidifying point bottle 5 diameter, and the height of thermometer trap 2 is 3/5 of benzoic acid solidifying point bottle 5 height.
The inwall that benzoic acid solidifying point bottle 5 can reappear save set 6 by shelf 11 and benzoic acid solidifying point is connected, and the opening part of thermometer trap 2 is 2cm higher than benzoic acid solidifying point bottle 5.This shelf 11 is arranged a circular hole matched with benzoic acid solidifying point bottle 5 diameter, benzoic acid solidifying point bottle 5 is placed in circular hole, thus reach object benzoic acid solidifying point bottle 5 being fixed on benzoic acid solidifying point reproduction save set 6 inside.
Embodiment 2
In the present embodiment, benzoic acid condensation point Wen Ping is utilized to carry out in the equipment of temperature correction, benzoic acid solidifying point bottle 5 volume is about 300mL, the degree of depth of thermometer trap 2 is 200mm, the drift of warm level ground is solidified in order to prevent benzoic acid contaminated causing, the inwall of container need clean successively by organic solvent, dust technology, three purified water, dries with drying box.The purity loaded after the Methods For Purifications such as physics distillation be 99.8% benzoic acid 3 vacuumize after by container closure.
DEG C temperature homogeneity≤0.01 DEG C, temperature adjusting scope room temperature ~ 250 of benzoic acid solidifying point reproduction save set 6, temperature fluctuation≤± 0.01 DEG C/10min.There is programmable temperature programmed control function, possess the functions such as temperature fluctuation display, stream time display, the setting of bound temperature, temperature arrival buzzing warning, configuration high resolution monitoring temperature registering instrument is easier to monitor the reproduction that benzoic acid solidifies Wen Ping, equipment of the present utility model can realize automatically reproduction and solidify Wen Ping, and concrete structure is shown in accompanying drawing 3.Equipment is with embodiment 1.
The method of temperature correction: benzoic acid solidifying point bottle 5 is loaded in benzoic acid solidifying point reproducing apparatus, setting temperature control program induction benzoic acid solidifies warm level ground and occurs, be calibrated thermometer indicating value and benzoic acid freezing point temperature and be 122.353 DEG C by being calibrated in thermometer trap 2 that thermometer 9 inserts on bottle to read and compare and carry out temperature correction, the branched thermometer 9 of adjustable within the retention time of warm level ground.
Benzoic acid solidifying point bottle 5 and benzoic acid solidifying point are reappeared save set 6 and also can be connected by other form, as arranged a support or clamp for fixing the position of benzoic acid solidifying point reproduction save set 6 on the inwall of benzoic acid solidifying point reproduction save set 6.
Benzoic acid solidifying point bottle 5 and benzoic acid solidifying point are reappeared save set 6 and also can be connected by other form; as arranged a support or clamp for fixing the position of benzoic acid solidifying point reproduction save set 6 on the inwall of benzoic acid solidifying point reproduction save set 6, such a conversion also drops within protection domain of the present utility model.
Claims (9)
1. utilize benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction, comprise benzoic acid solidifying point reproduction save set, it is characterized in that, described equipment also comprises the benzoic acid freezing point container being positioned at benzoic acid solidifying point reproduction save set, Filled Dielectrics mouth is arranged at described benzoic acid freezing point container top, have thermometer trap in the middle of benzoic acid freezing point container, described thermometer trap is the cavity of open top bottom closure.
2. utilize benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction as claimed in claim 1, it is characterized in that, described benzoic acid freezing point container is cylindrical, and the outer wall of described container is double-deck GG-17 glass structure.
3. utilize benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction as claimed in claim 1, it is characterized in that, the material of described thermometer trap is GG-17 glass.
4. utilize benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction as claimed in claim 1, it is characterized in that, described Filled Dielectrics mouth has sealing-plug with matching, and when sealing-plug being placed in Filled Dielectrics mouth place, benzoic acid freezing point container is in sealing state.
5. utilize benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction as claimed in claim 1, it is characterized in that, described thermometer trap is cylindrical.
6. utilize benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction as claimed in claim 1, it is characterized in that, the diameter of described thermometer trap is the 1/10-1/7 of benzoic acid freezing point container diameter.
7. utilize benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction as claimed in claim 1, it is characterized in that, the height of described thermometer trap is the 2/5-4/5 of benzoic acid freezing point container height.
8. utilize benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction as claimed in claim 1, it is characterized in that, the opening part of described thermometer trap is higher than benzoic acid freezing point container 1-3cm.
9. utilize benzoic acid condensation point Wen Ping to carry out the equipment of temperature correction as claimed in claim 1, it is characterized in that, described benzoic acid solidifying point reproduction save set inwall has support, and benzoic acid freezing point container is flexibly connected with support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282971.XU CN204924498U (en) | 2015-05-05 | 2015-05-05 | Utilize benzoic acid condensation point wen ping to carry out equipment of temperature correction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282971.XU CN204924498U (en) | 2015-05-05 | 2015-05-05 | Utilize benzoic acid condensation point wen ping to carry out equipment of temperature correction |
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| Publication Number | Publication Date |
|---|---|
| CN204924498U true CN204924498U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520282971.XU Expired - Fee Related CN204924498U (en) | 2015-05-05 | 2015-05-05 | Utilize benzoic acid condensation point wen ping to carry out equipment of temperature correction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092096A (en) * | 2015-05-05 | 2015-11-25 | 山东省计量科学研究院 | Method and device for temperature calibration by means of benzoic acid freezing point temperature level ground |
-
2015
- 2015-05-05 CN CN201520282971.XU patent/CN204924498U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092096A (en) * | 2015-05-05 | 2015-11-25 | 山东省计量科学研究院 | Method and device for temperature calibration by means of benzoic acid freezing point temperature level ground |
| CN105092096B (en) * | 2015-05-05 | 2018-03-27 | 山东省计量科学研究院 | The method and apparatus of temperature correction is carried out using benzoic acid condensation point temperature level ground |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |