CN205787966U - A kind of portable rotation viscometer calibration thermostat - Google Patents
A kind of portable rotation viscometer calibration thermostat Download PDFInfo
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- CN205787966U CN205787966U CN201620322180.XU CN201620322180U CN205787966U CN 205787966 U CN205787966 U CN 205787966U CN 201620322180 U CN201620322180 U CN 201620322180U CN 205787966 U CN205787966 U CN 205787966U
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- accommodation space
- rotation viscometer
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- portable rotation
- viscometer calibration
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Abstract
This utility model relates to a kind of portable rotation viscometer calibration thermostat, include, one vessel, there is in it the second accommodation space that one first accommodation space and is surrounded on outside described first accommodation space, in order to an accommodating viscous media in described first accommodation space, in order to an accommodating circulatory mediator in described second accommodation space；One diaphragm, it is in described second accommodation space, the cincture in a helical pattern of described diaphragm system so that form a helical flow path in described second accommodation space；And, a circulating device, it is connected with described second accommodation space, and described circulating device is in order to circulate described circulatory mediator.Advantage of the present utility model: utilize the design of helical flow path, the heat exchange of the first accommodation space and the second accommodation space is the most effective, relative to horizontal run, diaphragm is without perforate mouth, reduce the local resistance at aperture, and, owing to the runner direction of circulatory mediator more gently changes, on-way resistance also can be little.
Description
Technical field
This utility model relates to measure the detection device of viscosity, particularly relates to a kind of portable rotation viscometer calibration thermostat.
Background technology
The operation principle of rotating cylinder viscometer: rotate based on the rigid objects being dipped in detected fluid, object is by the acting on of viscosity moment of detected fluid, the size of viscosity moment is directly proportional to the viscosity of detected fluid, tries to achieve viscosity by measuring the rotating speed of viscosity moment and rotary body.The method of metering rotating cylinder viscometer is essentially identical both at home and abroad, according to above-mentioned principle, utilizes the standard Newtonian liquid of viscosity meter known-viscosity, compares with standard value.But liquid viscosity raises with temperature and presents downward trend, the viscosity number of same detected fluid correspondence at different temperatures is different.Therefore, in a calibration process, it is desirable to the temperature of viscosity standard fluid keeps consistent with temperature (generally 20.0 DEG C) during calibration, it is ensured that the accuracy of calibration result.According to code " JJG 1002-2005 rotating cylinder viscometer " requirement, titer should less than calibration temperature ± 0.1 DEG C.
At present, in the calibration process of rotating cylinder viscometer, it is that the open containers being loaded into titer is placed in water bath with thermostatic control, and insertion thermometer observes its variations in temperature in titer, viscosity measurement work can be carried out after titer is constant within the scope of required temperature.Such as, CN2783315Y is disclosed " digital display rotary viscometer ".But, there is problems in that in carrying out real work
1., owing to water bath with thermostatic control volume is relatively big and structure is complicated, for meeting the constant requirement within ± 0.1 DEG C of titer, viscosity measurement work can only be carried out in isothermal experiments indoor, it is impossible to carries out in-site measurement.Even if in the lab, due to laboratory ambient temperature be unable to reach equally specified for temperature ranges (generally 20.0 DEG C) ± 0.1 DEG C in fluctuate, in a calibration process, ambient temperature still can produce certain impact to the variations in temperature of standard viscosity liquid.
2. in the calibration process of rotating cylinder viscometer, being that the open containers being loaded into titer is placed in water bath with thermostatic control, there is a fixed difference difference with water bath with thermostatic control actual control temperature in titer temperature, this temperature difference is typically larger than 0.1 DEG C, therefore thermostatic process also needs artificial technical adjustment, takes time and effort.
After, " a kind of portable rotation viscometer calibration thermostat " of the CN104977953A that Shanghai Institute of Quality Inspection and Technical Research proposes, relatively preceding solution, which solve relevant issues and have easy to operate, the feature that work efficiency is high.But, it is during circulating-heating or kind of refrigeration cycle medium, and the circulation resistance of circulatory mediator is relatively big, and increases the operating load of circulating pump.And what is more important, the efficiency of heating surface and the heating accuracy of circulatory mediator are the poorest.
Therefore, it would be highly desirable to thermostat is further improved.
Utility model content
The purpose of this utility model is to solve the problem that in prior art, heat exchanger effectiveness is low, it is provided that a kind of novel portable rotation viscometer calibration thermostat.
To achieve these goals, the technical solution of the utility model is achieved in that a kind of portable rotation viscometer calibration thermostat, it is characterised in that include,
One vessel, has the second accommodation space that one first accommodation space and is surrounded on outside described first accommodation space in it, in order to an accommodating viscous media in described first accommodation space, in order to an accommodating circulatory mediator in described second accommodation space；
One diaphragm, it is in described second accommodation space, the cincture in a helical pattern of described diaphragm system so that form a helical flow path in described second accommodation space；And,
One circulating device, it is connected with described second accommodation space, and described circulating device is in order to circulate described circulatory mediator.
Preferred version as a kind of portable rotation viscometer calibration thermostat, described vessel is double-decker, described vessel has inwall and outer wall, space in described inwall is described first accommodation space, space between described inwall and described outer wall is described second accommodation space, and described diaphragm is connected to outside and the inner face of described outer wall of described inwall.
As the preferred version of a kind of portable rotation viscometer calibration thermostat, also including, one first temperature sensor, it is in described first accommodation space, and described first temperature sensor is in order to sense the temperature value of described viscous media；And, one second temperature sensor, it is in described second accommodation space, and described second temperature sensor is in order to sense the temperature value of described circulatory mediator.
As the preferred version of a kind of portable rotation viscometer calibration thermostat, also including, a refrigerating plant, it is in order to reduce the temperature value of described circulatory mediator.
As the preferred version of a kind of portable rotation viscometer calibration thermostat, described refrigerating plant is in the bottom of described vessel, has a thermal conductive silicon glue-line between the bottom of described refrigerating plant and described vessel.
As the preferred version of a kind of portable rotation viscometer calibration thermostat, described refrigerating plant includes semiconductor cooling piece, a fin and a fan.
As the preferred version of a kind of portable rotation viscometer calibration thermostat, also including, a heater, it is in order to heat the temperature value of described circulatory mediator.
As the preferred version of a kind of portable rotation viscometer calibration thermostat, described heater includes a heating wire, and described heating wire is distributed evenly on described vessel.
Preferred version as a kind of portable rotation viscometer calibration thermostat, described circulating device includes one first pipeline, a circulating pump and a second pipe, wherein, first end of described first pipeline is connected with the upper end of described helical flow path, second end of described first pipeline is connected with the first end of described second pipe by described circulating pump, and the second end of described second pipe is connected with the lower end of described helical flow path.
As the preferred version of a kind of portable rotation viscometer calibration thermostat, described first accommodation space has a upper shed, is configured with a lid at described upper shed, and described lid is two semicircular ring.
Compared with prior art, advantage of the present utility model is including at least following: utilizing the design of helical flow path, the heat exchange of the first accommodation space and the second accommodation space is the most more effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment.
Fig. 2 is the structural front view of vessel in this utility model one embodiment.
Detailed description of the invention
With embodiment, this utility model is elaborated below in conjunction with the accompanying drawings.
Refer to Fig. 1 to 2, shown in figure is a kind of portable rotation viscometer calibration thermostat, is mainly made up of vessel 1, diaphragm 2, circulating device, one first temperature sensor, a refrigerating plant, one second temperature sensor, a controller PLC and a heater.
There is the second accommodation space that one first accommodation space and is surrounded on outside described first accommodation space, in order to an accommodating viscous media in described first accommodation space, in order to an accommodating circulatory mediator in described second accommodation space in described vessel.Described diaphragm is in described second accommodation space, the cincture in a helical pattern of described diaphragm system so that form a helical flow path in described second accommodation space.Described vessel is double-decker, described vessel has inwall 12 and outer wall 11, space in described inwall is described first accommodation space 13, space between described inwall and described outer wall is described second accommodation space 14, and described diaphragm is connected to outside and the inner face of described outer wall of described inwall.Described first accommodation space has a upper shed, for reducing ambient temperature as far as possible to the impact of calibration result it is necessary to the aperture area of the described upper shed reduced as far as possible in calibration process, therefore designs lid, and described lid is circular, can dimidiation annulus.
Described refrigerating plant is in order to reduce the temperature value of described circulatory mediator.Described refrigerating plant is fastened securely to the bottom of described vessel by bolt.A thermal conductive silicon glue-line is had between the bottom of described refrigerating plant and described vessel.Described refrigerating plant includes semiconductor cooling piece, a fin and a fan.
Described heater is in order to heat the temperature value of described circulatory mediator.Described heater includes a heating wire, and described heating wire is distributed evenly on described vessel.
Described circulating device is connected with described second accommodation space, and described circulating device is in order to circulate described circulatory mediator.Described circulating device includes one first pipeline, a circulating pump and a second pipe.Wherein, first end of described first pipeline is connected with the top of described second accommodation space, second end of described first pipeline is connected with the first end of described second pipe by described circulating pump, and the second end of described second pipe is connected with the bottom of described second accommodation space.First end of described first pipeline and the second end of described second pipe slightly offset from the axis of described vessel.
Described first temperature sensor is arranged in described first accommodation space.Described first temperature sensor is in order to sense the temperature value of described viscous media.Described second temperature sensor is arranged in described second accommodation space.Described second temperature sensor is in order to sense the temperature value of described circulatory mediator.
Described controller PLC is configured with a temperature collect module and a human-computer interaction interface.Described temperature collect module is connected with described first temperature sensor and described second temperature sensor respectively.Described controller PLC is connected with described refrigerating plant and described heater respectively.It should be noted that in addition to being controlled by described controller PLC, moreover it is possible to other modes, include but not limited to can also control each device the most respectively by technical staff.
In order to preferably improve constant temperature effect, heat insulation layer (e.g., Vestolit) can be set at key positions such as described vessel, described first pipeline and described second pipes.
Operation principle:
Technical staff, by described human-computer interaction interface target setting temperature, is gathered the real time temperature of the described circulatory mediator that described second temperature sensor records by described temperature collect module and is transferred in described controller PLC.The described controller PLC real time temperature according to described circulatory mediator and the situation of target temperature, control described heating devices heat or described refrigerating plant refrigeration.When the temperature of described circulatory mediator is close and reaches in the range of target temperature, described temperature collect module gathers the real time temperature of the described viscous media that described first temperature sensor records and is transferred in described controller PLC.The described controller PLC real time temperature according to described viscous media and the situation of target temperature, control described heating devices heat or described refrigerating plant refrigeration reach specific technology requirement.In order to ensure the homogeneous temperature of described circulatory mediator, and improving the heat exchange efficiency to described viscous media by forced convertion, whole process, described circulating device works always.
Below only have expressed embodiment of the present utility model, it describes more concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a portable rotation viscometer calibration thermostat, it is characterised in that include,
One vessel, has the second accommodation space that one first accommodation space and is surrounded on outside described first accommodation space in it, in order to an accommodating viscous media in described first accommodation space, in order to an accommodating circulatory mediator in described second accommodation space；
One diaphragm, it is in described second accommodation space, the cincture in a helical pattern of described diaphragm system so that form a helical flow path in described second accommodation space；And,
One circulating device, it is connected with described second accommodation space, and described circulating device is in order to circulate described circulatory mediator.
A kind of portable rotation viscometer calibration thermostat the most according to claim 1, it is characterized in that, described vessel is double-decker, described vessel has inwall and outer wall, space in described inwall is described first accommodation space, space between described inwall and described outer wall is described second accommodation space, and described diaphragm is connected to outside and the inner face of described outer wall of described inwall.
A kind of portable rotation viscometer calibration thermostat the most according to claim 1, it is characterized in that, also include, one first temperature sensor, it is in described first accommodation space, and described first temperature sensor is in order to sense the temperature value of described viscous media；And, one second temperature sensor, it is in described second accommodation space, and described second temperature sensor is in order to sense the temperature value of described circulatory mediator.
A kind of portable rotation viscometer calibration thermostat the most as claimed in any of claims 1 to 3, it is characterised in that also including, a refrigerating plant, it is in order to reduce the temperature value of described circulatory mediator.
A kind of portable rotation viscometer calibration thermostat the most according to claim 4, it is characterised in that described refrigerating plant is in the bottom of described vessel, has a thermal conductive silicon glue-line between the bottom of described refrigerating plant and described vessel.
A kind of portable rotation viscometer calibration thermostat the most according to claim 5, it is characterised in that described refrigerating plant includes semiconductor cooling piece, a fin and a fan.
A kind of portable rotation viscometer calibration thermostat the most as claimed in any of claims 1 to 3, it is characterised in that also including, a heater, it is in order to heat the temperature value of described circulatory mediator.
A kind of portable rotation viscometer calibration thermostat the most according to claim 7, it is characterised in that
Described heater includes a heating wire, and described heating wire is distributed evenly on described vessel.
A kind of portable rotation viscometer calibration thermostat the most according to claim 1 and 2, it is characterized in that, described circulating device includes one first pipeline, a circulating pump and a second pipe, wherein, first end of described first pipeline is connected with the upper end of described helical flow path, second end of described first pipeline is connected with the first end of described second pipe by described circulating pump, and the second end of described second pipe is connected with the lower end of described helical flow path.
A kind of portable rotation viscometer calibration thermostat the most according to claim 1, it is characterised in that described first accommodation space has a upper shed, is configured with a lid at described upper shed, and described lid is two semicircular ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620322180.XU CN205787966U (en) | 2016-04-18 | 2016-04-18 | A kind of portable rotation viscometer calibration thermostat |
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| CN201620322180.XU CN205787966U (en) | 2016-04-18 | 2016-04-18 | A kind of portable rotation viscometer calibration thermostat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917887A (en) * | 2018-04-03 | 2018-11-30 | 江苏大学 | A kind of method standard set-up temperature field large size pVTt accelerates heat exchange and fast settling device and method |
| CN109991127A (en) * | 2019-04-17 | 2019-07-09 | 上海市计量测试技术研究院 | A kind of calibrating apparatus and its operating method for rotational viscometer |
| CN112285269A (en) * | 2020-12-24 | 2021-01-29 | 北京天通慧智科技有限公司 | Constant temperature device for measuring combustion performance of building material |
-
2016
- 2016-04-18 CN CN201620322180.XU patent/CN205787966U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917887A (en) * | 2018-04-03 | 2018-11-30 | 江苏大学 | A kind of method standard set-up temperature field large size pVTt accelerates heat exchange and fast settling device and method |
| CN109991127A (en) * | 2019-04-17 | 2019-07-09 | 上海市计量测试技术研究院 | A kind of calibrating apparatus and its operating method for rotational viscometer |
| CN109991127B (en) * | 2019-04-17 | 2024-04-16 | 上海市计量测试技术研究院 | Verification and calibration device for rotational viscometer and operation method thereof |
| CN112285269A (en) * | 2020-12-24 | 2021-01-29 | 北京天通慧智科技有限公司 | Constant temperature device for measuring combustion performance of building material |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20210418 |