CN108007592A - A kind of temperature measuring equipment with filter - Google Patents
A kind of temperature measuring equipment with filter Download PDFInfo
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- CN108007592A CN108007592A CN201711222475.5A CN201711222475A CN108007592A CN 108007592 A CN108007592 A CN 108007592A CN 201711222475 A CN201711222475 A CN 201711222475A CN 108007592 A CN108007592 A CN 108007592A
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- temperature
- accumulation
- filter
- fin part
- energy portion
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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
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
- G01K1/18—Special arrangements for conducting heat from the object to the sensitive element for reducing thermal inertia
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- General Physics & Mathematics (AREA)
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Abstract
The present invention discloses a kind of temperature measuring equipment with filter, including temperature sensor, control circuit, mechanical filter.Filter includes the accumulation of energy portion that is in the form of a column and the first fin part in the form of sheets.The first fin part is set at least one surface in accumulation of energy portion, and the first fin part is thermally contacted and fixed with accumulation of energy portion.The thermometric portion in blind hole shape extended along its axis direction is set in accumulation of energy portion；Temperature sensor is mutually assembled with thermometric portion, detects the temperature in cecum portion of thermometric portion.Fluid forms free convection flow field by heat treatment, the flowing of fluid produces temperature detection the ultralow frequency disturbing signal for being up to several minutes of magnitudes in the cycle, the temperature measuring equipment of the present invention can filter out above-mentioned ultralow frequency disturbing signal by the mechanical filter of assembling, be accurately detected the temperature of fluid, then in heat treatment, undisturbed signal interference, the fluctuating range of fluid temperature (F.T.) is minimum, fluid temperature (F.T.) is easily stablized in setting value, time-consuming short, favorably saves energy consumption.
Description
Technical field
The present invention relates to a kind of temperature temperature measuring equipment, more particularly to it is a kind of applied to temperature signal detection with filtering
The temperature measuring equipment of device, belongs to temperature signal detection field.
Background technology
Fluid such as is heated, freezes at the heat treatment, and temperature distributing disproportionation is even, under gravity, produces free convection
Flow field, there are substantial amounts of advection, turbulent flow, turbulent region, the temperature distributing disproportionation of fluid are even for internal fluid.Temperature distributing disproportionation is even
Fluid flowing, disturbance signal is produced to temperature detecting point, forms the ultralow frequency disturbance letter that the cycle reaches several minutes magnitudes
Number, and electronic filter is difficult to filter out again so that the temperature measuring equipment of the prior art can not be accurately measured the temperature of fluid
Degree, during heat treatment, due to the interference effect of disturbing signal, causes the temperature of fluid to be not easy to be stabilized in setting
At value, spent time length, increases energy consumption.Therefore, there is an urgent need for develop a kind of temperature measuring equipment with filter, filter
Except ultralow frequency disturbing signal is with accurate thermometric, fluid temperature (F.T.) is set to be easier to be stabilized at setting value.
The content of the invention
In view of the problems of the existing technology, the object of the present invention is to provide a kind of tool applied to temperature signal measurement
There is the temperature measuring equipment with filter for filtering out ultralow frequency disturbing signal function, filter out ultralow frequency disturbing signal with essence
True thermometric, makes fluid temperature (F.T.) be easy to be stabilized at setting value.
A kind of technical solution of the present invention is as follows：
A kind of temperature measuring equipment with filter, its designing points are：The temperature measuring equipment includes temperature
Spend sensor, the mechanical filter for being adapted to filter out ultralow frequency disturbing signal, the control suitable for temperature signal collection and processing
Circuit；First fin part of the filter at least by the accumulation of energy portion that is in the form of a column and in the form of sheets is formed, and the accumulation of energy portion is extremely
Multiple first fin parts, the first fin part and the thermo-contact of accumulation of energy portion, the first fin part and accumulation of energy portion are set on a few surface
It is fixed；The thermometric portion in blind hole shape extended along its axis direction is set in the inside in the accumulation of energy portion, suitable for temperature sensor
Temperature detection is carried out to the cecum portion in thermometric portion；The thermometric portion of the temperature sensor and filter is mutually assembled, with detection
The temperature in the cecum portion in thermometric portion.
In the application, the present invention also has optional technical solution further below.
Optionally, it is fixed on first fin part axis along accumulation of energy portion of the accumulation of energy portion at least on a surface
Direction is set, and axis of first fin part around accumulation of energy portion, which rounds, to be evenly arranged.
Optionally, be also set on the side surface in the accumulation of energy portion with its axis perpendicular along its circumferentially around
Second fin part annular in shape of one week, second fin part are thermally contacted with the side surface in accumulation of energy portion, the second fin part and accumulation of energy
The side surface in portion is fixed；Second fin part sequentially passes through the first fin part, and the second fin part is thermally contacted and consolidated with the first fin part
It is fixed；Further, one of them second fin part is located at the cecum portion in thermometric portion.
Optionally, first fin part is arranged with the corresponding perpendicular in accumulation of energy portion；Alternatively, described first
Fin part tilts arrangement with the corresponding surface in accumulation of energy portion.
Optionally, first fin part is in plane sheet；Alternatively, first fin part is in song
The sheet of planar.
Optionally, the free avris of first fin part is relatively fixed the default angular displacement of avris rotation and is formed
In the laminated structure of distorted shape, the first fin part of increase is in the area with the orthographic projection in its phase fixation surface.
Optionally, first fin part, slit is set respectively in the second fin part；Further, two adjacent
Slit mutual dislocation in one fin part arranges that the slit mutual dislocation in two adjacent second fin parts is arranged.
Optionally, the temperature measuring equipment further includes housing, display screen and is opened suitable for manipulation temperature measuring equipment
Shutdown and the button assembly of parameter setting, the display screen and housing assembling, positioned at the front housing portion of housing, the button assembly,
Control circuit is arranged in housing, and the button of button assembly protrudes from surface of shell by corresponding through hole on housing.
Optionally, the material of the filter is any of silver, copper, aluminium, carborundum.
The another technical solution of the present invention is as follows：
A kind of temperature measuring equipment with filter based on Internet of Things, its designing points are：Including mobile whole
End, Internet of Things, temperature sensor, the control circuit suitable for temperature signal collection and processing, be adapted to filter out ultralow frequency disturbing signal
Filter；First fin part of the filter at least by the accumulation of energy portion that is in the form of a column and in the form of sheets is formed, and described first
Fin part is arranged at least one surface in accumulation of energy portion, the first fin part and the thermo-contact of accumulation of energy portion, the first fin part and storage
Energy portion is fixed；The inside in the accumulation of energy portion sets the thermometric portion in blind hole shape extended along its axis direction, which is suitable for
Temperature sensor carries out temperature survey to its cecum portion；The thermometric portion of the temperature sensor and filter is mutually assembled, with
Detect the temperature in the cecum portion in thermometric portion；The control circuit, mobile terminal difference embedded with network unit, the net of mobile terminal
Network unit is established by the network unit of Internet of Things and control circuit and communicated to connect, and is detected suitable for obtaining temperature measuring equipment
Temperature signal and parameter setting is carried out to it.
In the application, the present invention also has optional technical solution further below.
Optionally, it is fixed on first fin part axis along accumulation of energy portion of the accumulation of energy portion at least on a surface
Direction is set, and axis of first fin part around accumulation of energy portion, which rounds, to be evenly arranged.
Optionally, be also set on the side surface in the accumulation of energy portion with its axis perpendicular along its circumferentially around
Second fin part annular in shape of one week, second fin part are thermally contacted with the side surface in accumulation of energy portion, the second fin part and accumulation of energy
The side surface in portion is fixed；Second fin part sequentially passes through the first fin part, and the second fin part is thermally contacted and consolidated with the first fin part
It is fixed；Further, one of them second fin part is located at the cecum portion in thermometric portion.
Optionally, first fin part is arranged with the corresponding perpendicular in accumulation of energy portion；Alternatively, described first
Fin part tilts arrangement with the corresponding surface in accumulation of energy portion.
Optionally, first fin part is in plane sheet；Alternatively, first fin part is in song
The sheet of planar.
Optionally, the free avris of first fin part is relatively fixed the default angular displacement of avris rotation and is formed
In the laminated structure of distorted shape, the first fin part of increase is in the area with the orthographic projection in its phase fixation surface.
Optionally, first fin part, slit is set respectively in the second fin part；Further, two adjacent
Slit mutual dislocation in one fin part arranges that the slit mutual dislocation in two adjacent second fin parts is arranged.
Optionally, the temperature measuring equipment further includes housing, display screen and is opened suitable for manipulation temperature measuring equipment
Shutdown and the button assembly of parameter setting, the display screen and housing assembling, positioned at the front housing portion of housing, the button assembly,
Control circuit is arranged in housing, and the button of button assembly protrudes from surface of shell by corresponding through hole on housing.
Optionally, the material of the filter is any of silver, copper, aluminium, carborundum.
Free convection flow field is formed in the even fluid of temperature distributing disproportionation, the flowing of fluid produces disturbance to temperature detection
Interference signal, particularly cycle are up to the ultralow frequency disturbing signal of several minutes of magnitudes, and the temperature measuring equipment of the prior art is being examined
During the temperature of fluid measured, that is, detect that the temperature of fluid also detects that above-mentioned ultralow frequency disturbing signal at the same time, and electronic filtering
Device is difficult to filter out above-mentioned ultralow frequency disturbing signal again, then temperature measuring equipment can not be accurately detected the temperature of fluid, add
Heat, refrigeration etc. are during heat treatment, the interference effect of disturbing signal, cause the temperature fluctuation of fluid, it is difficult to stablize and exist
At the preset value of temperature, spent time length, energy consumption height.
Compared with prior art, the present invention achieves following beneficial effect：
The temperature measuring equipment of the present invention is configured with mechanical filter, and filter can filter out fluid flowing pair
Ultralow frequency disturbing signal caused by temperature detection, the accurate temperature for detecting fluid so that in heat treatments such as heating, refrigeration
During, the interference effect of undisturbed signal, the fluctuating range of the temperature of fluid is small, it is easier to is stabilized in the default of temperature
At value, spent time is short, also helps saving energy consumption.
The temperature measuring equipment based on Internet of Things of the present invention, including mobile terminal, the mechanical filtering of detection device configuration
Device, on the one hand can filter out fluid flowing to ultralow frequency disturbing signal caused by temperature detection, the accurate temperature for detecting fluid
Degree, during heat treatment, undisturbed effect of signals, makes fluid temperature (F.T.) be easier to stablize at setting value, another aspect base
The temperature of detected fluid can be obtained from temperature measuring equipment by Internet of Things in mobile terminal, and temperature survey is filled
Carry out parameter setting is put, realizes that Internet of Things manipulates, improves work efficiency.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution in the embodiment of the present application
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these attached drawings
Obtain other attached drawings.
A kind of schematic diagram of temperature measuring equipment with filter in Fig. 1 embodiments.
A kind of schematic perspective views of filter of Fig. 2.
Fig. 3 is the half section schematic diagram of the filter in Fig. 2.
Fig. 4 another kind filter schematic perspective views.
Fig. 5 is the schematic top plan view of Fig. 4 filters.
The temperature signal curve that Fig. 6 temperature sensors directly detect.
The temperature signal curve of the temperature sensor detection of Fig. 7 assembling filters.
A kind of schematic diagram of temperature measuring equipment with filter based on Internet of Things in Fig. 8 embodiments.
Wherein, 10- filters, 11- accumulation of energys portion, the first fin parts of 12-, 12 '-the second fin parts, 13- thermometrics portion,
15- slits, 20- temperature sensors, 30- control circuits, 40- display screens, 50- button assemblies, 60- housings.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, the technical solution in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art obtained without making creative work it is all its
His embodiment, shall fall in the protection scope of this application.Related directionality instruction in the embodiment of the present invention (such as upper and lower, left,
It is right, forward and backward etc.) it is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component, fortune
Emotionally condition etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
As one embodiment of the present invention, a kind of temperature measuring equipment with filter, as shown in Fig. 1, bag
Include mechanical filter 10, temperature sensor 20 and temperature measuring equipment body；The temperature measuring equipment body includes control
Circuit 30, display screen 40, button assembly 50 and housing 60 processed.Control circuit 30 is set on circuit boards, and control circuit 30 is suitable
The temperature signal of fluid is acquired in manipulating temperature sensor 20, and the temperature signal to being gathered is handled, such as
Temperature signal is amplified, electronic filtering, A/D conversion, the conventional treatment such as shaping, obtain digital temperature signal.The filtering
First fin part 12 of the device 10 at least by the accumulation of energy portion 11 that is in the form of a column and in the form of sheets is formed, as shown in Figures 2 and 3.Accumulation of energy
Portion 11 is in bar shape, upright arrangement, and multiple first fin parts 12 are set at least one surface in the accumulation of energy portion 11, should
The surface in multiple first fin parts 12 and accumulation of energy portion 11 thermally contacts, and the first fin part 12 and accumulation of energy portion 11 are fixed.The accumulation of energy portion
Thermometric portion 13 suitable for temperature survey is set on 11, and as shown in figures 1 and 3, thermometric portion 13 is to prolong along 11 axis direction of accumulation of energy portion
The structure for the rounded blind hole shape stretched, suitable for carry out temperature survey of the temperature sensor to its cecum portion, cecum portion is located at
It is small by disturbance interference effect inside accumulation of energy portion 11, filter effect is favorably improved, the temperature using the temperature in portion at this as fluid.
Filter 10 is used to filter out ultralow frequency disturbing signal present in fluid, and the cycle of the disturbing signal is up to more than 1 minute,
As its cycle can reach several minutes, and electronic filter is extremely difficult filters out.Housing 60 is chosen as in box-like interior empty of hexahedron
Shell-like structure, as shown in Figure 1, the shell surface nearest from reader is referred to as the front housing portion of housing.Control circuit 30, button assembly
50 are assembled in the inside of housing 60.The display screen 40 is assembled in the front housing portion of housing 60, positioned at the top in front housing portion,
It is electrically connected with control circuit 30；The button of button assembly 50 default through hole from the front housing portion below housing 60 stretches out,
And the front housing portion is protruded from, pressed easy to user's pressure, as shown in Figure 1.The encapsulating structure of the temperature sensor 20 is with being used as thermometric
The blind hole in portion 13 is adapted, and be can be selected and is encapsulated as columned structure, the sensing for detection temperature of temperature sensor 20
Portion is packaged at the top ends of the cylindrical-shaped structure.The thermometric portion 13 of temperature sensor 20 and filter 10 is assembled, and is such as schemed
Shown in 1, temperature sensor 20 in the blind hole as thermometric portion 13, with forming survey by the temperature induction part of temperature sensor 20
The bottom surface sections (top part in the thermometric portion 13 i.e. shown in Fig. 2) in the cecum portion in warm portion 13 fit, with the temperature to the cecum portion
It is detected, that is, measures the temperature inside accumulation of energy portion 11, as the temperature of detected fluid, favorably improve filter effect.Temperature passes
Sensor 20 is mutually fixed with filter 10, and temperature sensor 20 and control circuit 30 are electrically connected by conducting wire.Above-mentioned filtering dress
The material put is copper, it can also select any of silver, aluminium, carborundum, or combination of two or more.
Wherein, the mechanical filter, as shown in Figures 2 and 3, the filter 10 include accumulation of energy portion 11
With the first fin part 12, first fin part 12 and accumulation of energy portion 11 are fixed, and are set in the accumulation of energy portion 11 and are suitable for temperature survey
Thermometric portion 13.Wherein, above-mentioned accumulation of energy portion 11 is in cylindrical shape, upright arrangement, it will be appreciated that for accumulation of energy portion 11 axis vertically with
Horizontal plane.The first fin part 12 is set at least one surface in the accumulation of energy portion 11, as accumulation of energy portion 11 upper surface on quilt
Multiple first fin parts 12 are set, and the plurality of first fin part 12 is arranged along the axis direction in accumulation of energy portion 11, the first fin part 12
It is vertical with the upper surface in accumulation of energy portion 11, the upper table thermal contact in the first fin part 12 and accumulation of energy portion 11, the first fin part 12 and store
Energy portion 11 is fixed.Axis of above-mentioned multiple first fin parts 12 around accumulation of energy portion 11, which rounds, to be radially evenly arranged, on
Radial arrangement of the first fin part 12 stated along accumulation of energy portion 11.Radially it is evenly arranged and the angular separation distribution such as can be regarded as, i.e.,
It is equal relative to the angular distance of the axis in accumulation of energy portion 11 between wantonly two the first adjacent fin parts 12.Further, accumulation of energy portion 11
Side surface on multiple first fin parts 12, axis direction cloth of the plurality of first fin part 12 along accumulation of energy portion 11 is set
Put, axis of above-mentioned multiple first fin parts 12 around accumulation of energy portion 11, which rounds, to be radially evenly arranged, the first fin part 12
Along the radial arrangement in accumulation of energy portion 11, the side surface thermo-contact in the plurality of first fin part 12 and accumulation of energy portion 11, the first fin part 12
Fixed with accumulation of energy portion 11, then the first fin part 12 is vertical with the side surface in accumulation of energy portion 11.Above-mentioned 11 and first fin of accumulation of energy portion
The mode that portion 12 is fixed alternatively is integrally formed, also solderable fixation.Survey suitable for temperature survey is set in the accumulation of energy portion 11
Warm portion 13, as shown in figure 3, thermometric portion 13 is the structure in blind hole shape extended along 11 axis direction of accumulation of energy portion, the upper end is
Cecum, temperature survey is carried out suitable for temperature sensor 20 to the cecum portion as thermometric portion 13.Cecum portion is located in accumulation of energy portion 11
Portion, is influenced minimum by flow disturbance, good wave filtering effect, then the temperature using the temperature in portion at this as fluid.The first above-mentioned wing
Piece portion 12 is in plane sheet.Above-mentioned cylindrical accumulation of energy portion 11 can also be by the institute of accumulation of energy portion 11 in polygon prism
Substitute, such as substituted by triangular prism, quadrangular.In addition, first fin part 12 can also be the sheet of shape in curved surface, such as
Arc surfaced, first fin part 12 are vertical with the surface in accumulation of energy portion 11, it will be appreciated that are the curved surface face fixed with 11 phase of accumulation of energy portion
The section of member is vertical with the surface in accumulation of energy portion 11.
It should be noted that can also be arranged parallel to positioned at fin part 12 on 11 upper surface of accumulation of energy portion, and uniformly divide
Cloth, it will be appreciated that be that the distance between equidistantly distributed, i.e., wantonly two adjacent fin parts 12 is equal.Fin part 12 and accumulation of energy portion 11
Fit the perpendicular at place, and fin part 12 is perpendicular to the upper surface in accumulation of energy portion 11.In addition, fin part 12 can also tilt
In the upper surface in accumulation of energy portion 11, certain angle is folded between the upper surface in fin part 12 and accumulation of energy portion 11, can such as angle 10-20 degree
With the angle being interpreted as between the face direction in 12 face direction of fin part and 11 surface of accumulation of energy portion, i.e., (this is for angle between the normal of two sides
The common method for expressing of two surface angles).The thermal process for being obliquely installed favourable optimization fluid and filter of fin part 12
Effect, improves the miniaturization of filter effect and filter.
Fluid is such as heated, freezed by heat treatment, and the temperature distributing disproportionation of fluid is even, under gravity, temperature
Spend skewness fluid and produce free convection, internal fluid forms substantial amounts of advection area, turbulent area, turbulent region, fluid temperature (F.T.)
The shape distribution of field is very unsmooth especially such as massif landforms.Detection of the flowing of fluid to temperature produces disturbing signal, especially
It is the ultralow frequency disturbing signal for reaching several minutes of magnitudes the cycle, and electronic filter is difficult to filter out so that temperature sensor institute
Include substantial amounts of disturbing signal in the temperature signal of detection, can not accurately measure the temperature of fluid, then in heat treatment
During, disturbing signal interference effect so that the temperature fluctuation of fluid, it is difficult to it is stabilized at the setting value of temperature,
Temperature stabilization needs longer time at setting value, adds energy consumption.
The filtering principle of above-mentioned filter 10 is：Accumulation of energy portion 11 is used to save thermal energy, passes through heat absorption, accumulation of heat, heat release
Deng complicated diabatic process, absorbing the thermal perturbation signal that fluid flows produce, particularly cycle is up to several minutes magnitudes
Ultralow frequency disturbing signal, makes temperature sensor accurately detect the temperature of fluid.For example, filter of the fluid to detection device
10 slowly flowings, with the flowing of fluid, when temperature wave crest fluid comforts filter device, fluid and the filtering of higher temperature fill
The first fin part 12 put thermally contacts, and exchanges heat, and the first fin part 12 absorbs heat, the temperature liter of 12 end of the first fin part
Height, heat is transmitted to accumulation of energy portion 11, and accumulation of energy portion 11 absorbs heat, is raised with 12 connecting place local temperature of the first fin part, by
There is heat storage capacity in accumulation of energy portion 11, the heat that temperature of attracting deposit wave crest fluid is brought, re-establishes temperature field, filter 10
Outer boundary temperature is higher than 11 internal temperature of accumulation of energy portion, then as thermometric portion 13 cecum portion temperature without significantly raised, at this
Temperature is still in stable state；When temperature trough fluid comforts filter device, the fluid of lower temperature and the first of filter
Fin part 12 thermally contacts, and exchanges heat, and the first fin part 12 release heat, the temperature of 12 end of the first fin part reduces, accumulation of energy portion
11 transmit heat through the first fin part 12 to fluid, are reduced with 12 connecting place local temperature of the first fin part, due to accumulation of energy portion
11 contain thermal energy, as the arrival of temperature trough fluid gradually discharges heat, re-establish temperature field, the outside of filter 10
Boundary's temperature is less than 11 internal temperature of accumulation of energy portion, then the temperature as the cecum portion in thermometric portion 13 is reduced without obvious, the temperature at this
Still in stable state；So circulation, filter rebuild temperature field repeatedly by thermal process, but as the blind of thermometric portion 13
The temperature of end filters out Temperature Distribution without significant change, filter by the diabatic process of the complexity such as heat absorption, accumulation of heat, heat release
Disturbance temperature signal caused by uneven fluid flowing, realizes the temperature of accurate detection fluid.Above-mentioned filter has
Certain volume, accumulation of energy portion 11, volume size and material specific heat capacity, the ripple of flow disturbance temperature signal of the first fin part 12
The frequency dependence connection of dynamic amplitude, disturbing signal, in general, specific heat capacity is smaller, fluctuating range is bigger, the frequency of disturbing signal
Lower, then the volume in accumulation of energy portion 11 is accordingly larger, otherwise the volume in accumulation of energy portion 11 is accordingly smaller.The cumulative volume of filter, store
Energy portion, the structure of the first fin part can be measured by experiment method, and on the premise of filtering requirements are reached, material requested is most
Few, volume is minimum, it is not that the present invention needs technical solution to be protected, and this will not be detailed here.
In order to more intuitively show filter effect, inventor devises analog temperature field, to illustrate above-mentioned filter
Filtering performance.Direction is evenly arranged multiple heating rods being parallel to each other, the hot merit of each heating rod along the horizontal plane on experiment porch
Rate is identical, and heating rod heating air fluid, forms corrugated temperature field.After the Temperature Distribution of air fluid is stablized, temperature
Sensor is slowly moved in the top of the heating rod along the horizontal direction average rate perpendicular with heating rod, with simulated air stream
Body is flowed to the test point of temperature sensor, and disturbing signal is produced to test point.The temperature that the temperature sensor is directly detected
The curve of signal, as shown in figure 5, the disturbing signal of the temperature signal, temperature including air fluid.Thermal perturbation signal
Fluctuating range be up to 2.9 DEG C, fluctuating range is very big；The cycle of thermal perturbation signal is up to 2.0 minutes, belongs to above-mentioned
Ultralow frequency disturbing signal, is difficult to filter out for electronic filtering device.Above-mentioned filter is mutually assembled with temperature sensor, temperature
Sensor is spent at the identical height of heating rod, and with identical speed Uniform Movement in same direction, temperature sensing
The curve for the temperature signal that the filtered device of device is detected, as shown in fig. 6, it was found from the figure, the fluctuating range of temperature signal
Minimum, less than 0.3 DEG C, i.e., filter of the invention has very strong filtration result to ultralow frequency disturbing signal, passes temperature
Sensor more accurately detects the temperature of fluid.Furthermore it is also possible to be optimized using experiment method to filter, make
Filter is adapted with the required ultralow frequency disturbing signal filtered out, is such as matched with its fluctuating range, cycle, then filtering dress
Putting detected temperature signal hardly includes the disturbing signal of temperature, favorably more accurately detects the temperature of fluid, filter
Optimization design be not the present invention protection point, be no longer described in detail.
As a kind of optional scheme, difference lies in the side surface in above-mentioned accumulation of energy portion 11 with above-mentioned filter 10
On be set the second fin part 12 ', the second fin part 12 ' and the axis perpendicular in accumulation of energy portion 11, the second fin part 12 ' surround
The axis in accumulation of energy portion 11 rounds to form laminated structure annular in shape along its side surface, i.e., the second fin part 12 ' is annular in shape,
Such as annular shape.Second fin part 12 ' sequentially passes through each first fin part 12 being fixed on 11 side surface of accumulation of energy portion, this is each
A first fin part 12 is thermally contacted with the second fin part 12 ', and the second fin part 12 ' is fixed with above-mentioned first fin part 12.Nearly one
Step ground, one of them second fin part 12 ' be located at the cecum portion in thermometric portion 13, it can be understood as second fin part 12 ' and
As the blind end face copline in thermometric portion 13, the i.e. height such as both.Second fin part 12 ' and the side surface in accumulation of energy portion 11
Fit, as shown in Figures 2 and 3, the side surface in the second fin part 12 ' and accumulation of energy portion 11 fully thermally contacts, the second fin part
12 ' and the side surface in accumulation of energy portion 11 fix.Second fin part 12 ' and the perpendicular setting in side surface in accumulation of energy portion 11.So
Improve, the filter effect for the temperature measuring equipment for being equipped with filter, the miniaturization of favourable filter can be improved.
As a kind of optional scheme, difference lies in the lower surface in above-mentioned accumulation of energy portion 11 with above-mentioned filter 10
On multiple first fin parts 12 are set, as shown in Figure 2 and Figure 3, axis ring of the plurality of first fin part 12 around accumulation of energy portion 11
Radially it was evenly arranged around one week, the lower surface in first fin part 12 and accumulation of energy portion 11 fits, fin part 12 and accumulation of energy
The lower surface in portion 11 fully thermally contacts, and fin part 12 and accumulation of energy portion 11 are fixed, following table of the fin part 12 perpendicular to accumulation of energy portion 11
Face.Therefore, accumulation of energy portion 11 is located at the middle part of the outer boundary institute Special composition of fin part 12, then thermometric portion 13 is located at the space
Center, the blind hole end (i.e. at temperature detection) as thermometric portion 13 is located at the central part in accumulation of energy portion 11.It is so designed that, no
But improve the filter effect of filter, it is prior so that filter assembly method it is more flexible, assembly method pair
The influence of its filter effect is very small, facilitates the assembling of filter to install.
As a kind of optional scheme, difference lies in quilt in the first above-mentioned fin part 12 with above-mentioned filter 10
One or more elongated slits 15 are provided with, as shown in Figure 4, Figure 5, it will be appreciated that it is far longer than its width for the length of slit,
As aspect ratio is more than more than 10 times.Further, it is also possible to notch is set in the first fin part 12, it will be appreciated that be the length and width of notch
Than suitable, such as ratio is in 1-2；Gap between slit and notch can also be set.The first fin of arbitrary neighborhood two panels
Slit 15 in portion 12, as shown in Figure 4,5, mutual stagger setting, it will be appreciated that for the slit 15 wherein in one first fin part 12
Orthographic projection in another first fin part 12, does not send out with the slit 15 at any position in another first fin part 12
It is raw to overlap.The second above-mentioned fin part 12 ' is above equipped with multiple elongated slits 15, and as shown in Figure 4, Figure 5, slit 15 exists
Second fin part 12 ' is uniformly distributed, and respectively between the first fin part 12 of two-phase neck, the slit 15 is relative to accumulation of energy portion
11 are radially radially distributed.Slit 15 in first fin part 12, the second fin part 12 ' favorably improves filter
Response to temperature and filter effect is improved, particularly filtering out to the disturbing signal of ultralow frequency.
As a kind of optional scheme, difference lies in the freedom of first fin part 12 with above-mentioned filter 10
Avris, which is relatively fixed avris and rotates default angular displacement, forms laminated structure in distorted shape, the first fin part 12 of increase with
The area of orthographic projection in its phase fixation surface.For example, set being twisted positioned at the first fin part 12 of 11 upper surface of accumulation of energy portion
Put, it can be understood as the free avris positioned at top of the first fin part 12 is relative to the fixation avris rotation positioned at its bottom
Default angular displacement, such as 5 degree of angular displacement, forms the sheet (being not drawn into figure) in distorted shape, the first fin part 12 of increase is storing
The frontal projected area of the upper surface in energy portion, base area need, and can make the upper surface in frontal plane of projection covering accumulation of energy portion 11.Again
Such as, setting will can also be twisted positioned at the first fin part 12 of 11 side surface of accumulation of energy portion, it can be understood as the first fin part 12
The free avris positioned at outer avris rotate default angular displacement relative to the fixation avris positioned at its interior avris, such as angular displacement 8
Degree, forms the sheet (being not drawn into figure) in distorted shape, orthographic projection of the first fin part 12 of increase on 11 side surface of accumulation of energy portion
Area, according to the design needs, can make the side surface in frontal plane of projection covering accumulation of energy portion 11.Accumulation of energy is flowed to so set, changing
Portion's fluid flows through path, strengthens fluid and the first fin part and the heat effect process in accumulation of energy portion, optimizes the filter of filter
Ripple effect.
In specific application, as needed, filter 10 can mutually be assembled and consolidated with temperature measuring equipment body
Fixed, understanding is an integral structure.For example, room temperature controls：The controller of temperature measuring equipment and air conditioner with filter
It is electrically connected, detects room temperature, the temperature of room temperature is maintained into setting value.In such a situation, be equipped with filter 10 carries filter
The temperature measuring equipment installation of wave apparatus indoors, detects the temperature of room air, the controller of air conditioner obtains the temperature simultaneously
Air-conditioner operation is controlled, is such as freezed.When room temperature is higher than setting value, air-conditioner operation blowing cold air, room air is cooled down,
The temperature distributing disproportionation of air is even, produces substantial amounts of advection, turbulent flow, turbulent region, forms convection current flow field, the convection current flow field is to temperature
Degree detection produces temperature interference signal, if temperature sensor directly detects the temperature of air, detects and believes comprising above-mentioned disturbance
Number temperature signal, the fluctuating range of the temperature signal detected is larger.It is straight that if the controller of air conditioner is based on temperature sensor
The temperature signal of detection is connect, manipulates air-conditioner operation refrigeration, since air-conditioning system thermal inertia is delayed, by the disturbance to being detected
Signal is amplified, and room air is produced larger temperature fluctuation amplitude, is such as produced 3-5 DEG C of temperature wave amplitude, is made Interior Space
The temperature of gas is difficult to stablize needs longer time in setting value, temperature stabilization at setting value, such as 3-5 minutes, adds
Energy consumption.Using the temperature of the temperature measuring equipment collection room air with filter, temperature sensor assembling filtering
Device 10, filter 10 filter out cross-ventilation and produce disturbing signal, the accurate temperature for detecting air, the controller of air conditioner
Air-conditioner operation, undisturbed signal interference, the temperature fluctuation of air are manipulated based on the temperature signal that temperature measuring equipment is detected
Amplitude is minimum, and the temperature of air is easier to be stabilized at setting value, and the spent time is shorter, favorably saves energy consumption.
It should be noted that air conditioner is relative to the position of temperature measuring point, the air supply mode of air conditioner, air-supply size, interior
Object, interior space size etc. produce disturbing influence to indoor temperature field, make to produce substantial amounts of advection field in room air
Area, turbulent flow place, turbulent place, cause the thermo parameters method of room air uneven, and the position shape in temperature field is especially such as hill
Looks, it is very unsmooth.The air flow in upper rheme shape temperature field, temperature interference signal is produced to the test point of fixed position, should
The cycle of temperature interference signal is associated with the flow velocity of air, its cycle is several seconds to several minutes, and frequency is very low, nominal
For ultralow frequency thermal perturbation signal, and electronic filter is extremely difficult filters out.And the temperature survey with filter of the present invention
Device can filter out above-mentioned ultralow frequency interference signal well, realize accurate thermometric, avoid air conditioner system overshoot from causing room
Temperature produces larger fluctuating range, and indoor temperature is easier to be stabilized in setting value, and spent time is shorter, favorably saves the energy
Consumption.
In specific application, as needed, mechanical filter 10 can be separated with temperature measuring equipment body
Configuration, it will be appreciated that be split structure.For example, heating liquid：The control of temperature measuring equipment and heater with filter
Device processed is electrically connected, and is heated liquid, the temperature of liquid is maintained setting value.In such a situation, temperature measuring equipment body is set
Put outside liquid, the temperature sensor for being equipped with filter 10 is set in a liquid, detects the temperature of liquid.Liquid is added
After heat, temperature distributing disproportionation is even, produces convection current flow field, liquid flowing produces disturbing signal to temperature detection, if temperature sensor
Direct detection temperature, then detect the disturbing signal, and the fluctuating range of the temperature signal detected is larger, the control of heater
Device manipulates heater heating based on the temperature signal that temperature sensor directly detects, and since system thermal inertia is delayed, disturbance is believed
Number it is amplified, liquid is produced larger temperature fluctuation amplitude, such as 3-5 DEG C of wave amplitude, causes the temperature of liquid to be difficult to stablize and exist
Setting value, such as 2-4 minutes, increases energy consumption, it is necessary to longer time；And the temperature of the temperature measuring equipment of the present invention passes
Filter 10 is assembled on sensor, filter 10 filters out the ultralow frequency disturbing signal of liquid flow movable property life, accurately detects liquid
Temperature, the temperature signal that the controller of heater is detected based on detection device, manipulates heater heating, undisturbed signal
Interference, the temperature fluctuation amplitude of liquid is minimum, facilitates the temperature stabilization of liquid at setting value, time-consuming short, if desired for 0.5-
1.0 minutes, favorably save energy consumption.
It should be noted that the shape of above-mentioned heater, mounted position, the structure etc. of container are to fluid temperature field
Disturbing influence is produced, makes to produce advection place, turbulent flow place and turbulent place in liquid, causes the thermo parameters method of liquid
It is uneven, it is very unsmooth, form liquid flow field.The flowing of liquid produces temperature interference signal to the test point in liquid, should
The cycle of temperature interference signal is associated with the flow velocity of liquid, its cycle is several seconds to several minutes, and frequency is very low, is referred to as
Ultralow frequency disturbing signal, and electronic filtering device is extremely difficult filters out, and the temperature measuring equipment with filter of the present invention can
To filter out well, accurate thermometric is realized, avoid heater overshoot from causing liquid to produce larger temperature wave amplitude, make liquid temperature
Degree is easier to stablize at setting value, reaches control targe, and temperature control is easier, also favourable to save energy consumption.
As another embodiment of the invention, preferably main description is distinguished with the above embodiment
Technology contents.
A kind of temperature measuring equipment with filter based on Internet of Things, as shown in Fig. 8, Fig. 1, the temperature is surveyed
Measuring device includes mechanical filter 10, temperature sensor 20, control circuit 30, display screen 40, button assembly 50, movement
Terminal 70 and Internet of Things 80.Filter 10 is used to filter out the ultralow frequency disturbing signal for treating to produce in thermometric fluid.Control circuit
30 are suitable for temperature signal collection, processing and manipulate data transfer.Accumulation of energy portion 11 He of the filter 10 at least by being in the form of a column
The first fin part 12 in the form of sheets is formed, as shown in Figures 2 and 3.Accumulation of energy portion 11 is in bar shape, upright arrangement, the accumulation of energy
The table of multiple first fin parts 12, the plurality of first fin part 12 and accumulation of energy portion 11 is set at least one surface in portion 11
Thermal contact, the first fin part 12 and accumulation of energy portion 11 are fixed.Thermometric portion suitable for temperature survey is set in the accumulation of energy portion 11
13, as shown in Figure 1, thermometric portion 13 is the structure in blind hole shape extended downwardly along 11 axis direction of accumulation of energy portion, passed suitable for temperature
Sensor carries out temperature survey to the cecum portion as thermometric portion 13, and cecum portion is located inside accumulation of energy portion 11, is influenced by flow disturbance
Minimum, good wave filtering effect.The temperature sensor 20 can be selected and is encapsulated as columned structure, i.e. temperature sensor 20
Packed structure is engaged with thermometric portion 13, and the induction part for detection temperature of temperature sensor 20 is packaged in the circle
At the top ends of column structure, as shown in Figure 1.The thermometric portion 13 of temperature sensor 20 and filter 10 is assembled, temperature sensing
Device 20 is located in thermometric portion 13, and the temperature induction part of temperature sensor 20 is with forming the cecum portion in thermometric portion 13 (i.e. shown in Fig. 2
Thermometric portion 13 top part) fit, to detect the temperature in the cecum portion, i.e. 11 internal temperature of accumulation of energy portion.Thermometric portion 13
Cecum portion is located at the inside in accumulation of energy portion 11, and small, good wave filtering effect is influenced by flow disturbance, the temperature of favourable accurate measurement fluid
Degree.The 30 embedded with network unit of control circuit, establishes suitable for control circuit and Internet of Things 80 and communicates to connect, believe for controlling
Number and data transfer；70 embedded with network unit of mobile terminal, establishes suitable for mobile terminal and Internet of Things 80 and communicates to connect, be used for
Control signal and data transfer.The network unit of mobile terminal 70 is built by Internet of Things 80 and the network unit of control circuit 30
Vertical communication connection, measurement dress is obtained suitable for mutual transmission signal between mobile terminal 70 and control circuit 30, and mobile terminal 70
Put detected temperature signal and parameter setting is carried out to measuring device, measuring device can also be manipulated by mobile terminal 70
Start and stop, realizing Internet of Things control, provide to the user conveniently, improve work efficiency.
Under gravity, temperature distributing disproportionation uniform flow body produces free convection, and internal fluid forms substantial amounts of advection
Area, turbulent area, turbulent region, then for the shape distribution of fluid temperature field especially such as massif landforms, high height is low, very unsmooth.Fluid
Flowing disturbing signal is produced to temperature detecting point, the particularly cycle reaches the ultralow frequency disturbing signals of several minutes of magnitudes, and electric
Subfilter is difficult to filter out again, can not accurately measure the temperature of fluid.Detected ultralow frequency disturbing signal, for heating
The applying heat device such as device, air conditioner is responded, and disturbing signal is enlarged into the temperature fluctuation of larger fluctuation amplitude, causes fluid temperature
Degree is difficult to stablize in setting value, to make temperature stabilization need to expend longer time at setting value, increases energy consumption.
Compared with prior art, the present invention has following significant technological progress.
The temperature measuring equipment of the present invention is configured with mechanical filter, and filter can filter out fluid flowing pair
Ultralow frequency disturbing signal caused by temperature detection, the accurate temperature for detecting fluid so that in heat treatments such as heating, refrigeration
During, the interference effect of undisturbed signal, the fluctuating range of the temperature of fluid is small, it is easier to is stabilized in the default of temperature
At value, spent time is short, also helps saving energy consumption.
The temperature measuring equipment based on Internet of Things of the present invention, including mobile terminal, the mechanical filtering of detection device configuration
Device, on the one hand can filter out fluid flowing to ultralow frequency disturbing signal caused by temperature detection, the accurate temperature for detecting fluid
Degree, during heat treatment, undisturbed effect of signals, makes fluid temperature (F.T.) be easier to stablize at setting value, another aspect base
The temperature of detected fluid can be obtained from temperature measuring equipment by Internet of Things in mobile terminal, and temperature survey is filled
Carry out parameter setting is put, realizes that Internet of Things manipulates, improves work efficiency.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, this hair
Bright claimed scope is delineated by the appended claims, the specification and equivalents thereof from the appended claims.
Claims (10)
- A kind of 1. temperature measuring equipment with filter, it is characterised in that：The temperature measuring equipment includes temperature sensing Device, the mechanical filter for being adapted to filter out ultralow frequency disturbing signal, the control circuit suitable for temperature signal collection and processing；Institute State the first fin part of filter at least by the accumulation of energy portion that is in the form of a column and in the form of sheets to form, at least one table in the accumulation of energy portion Multiple first fin parts, the first fin part and the thermo-contact of accumulation of energy portion are set on face, the first fin part and accumulation of energy portion are fixed；It is described The thermometric portion in blind hole shape extended along its axis direction is set in the inside in accumulation of energy portion, suitable for temperature sensor to thermometric portion Cecum portion carries out temperature detection；The thermometric portion of the temperature sensor and filter is mutually assembled, to detect the cecum in thermometric portion The temperature in portion.
- 2. the temperature measuring equipment according to claim 1 with filter, it is characterised in that：It is fixed on accumulation of energy portion extremely First fin part on a few surface is set along the axis direction in accumulation of energy portion, which surrounds the axis in accumulation of energy portion Line, which rounds, to be evenly arranged.
- 3. the temperature measuring equipment according to claim 1 with filter, it is characterised in that：Also be set on the side surface in the accumulation of energy portion with its axis perpendicular along its circumferentially around one week annular in shape the Two fin parts, second fin part are thermally contacted with the side surface in accumulation of energy portion, and the second fin part and the side surface in accumulation of energy portion are fixed；The Two fin parts sequentially pass through the first fin part, and the second fin part is thermally contacted and fixed with the first fin part；Further, wherein one A second fin part is located at the cecum portion in thermometric portion.
- 4. the temperature measuring equipment according to claim 1 with filter, it is characterised in that：First fin part Arranged with the corresponding perpendicular in accumulation of energy portion；Alternatively, first fin part tilts arrangement with the corresponding surface in accumulation of energy portion.
- 5. the temperature measuring equipment according to claim 4 with filter, it is characterised in that：First fin part For in plane sheet；Alternatively, first fin part is the sheet of shape in curved surface.
- 6. the temperature measuring equipment according to claim 1 with filter, it is characterised in that：First fin part Free avris be relatively fixed avris and rotate default angular displacement and form laminated structure in distorted shape, the first fin part of increase exists With the area of the orthographic projection in its phase fixation surface.
- 7. according to the temperature measuring equipment with filter described in claim 1-6 any claims, it is characterised in that： Slit is set respectively in first fin part, the second fin part；Further, the slit in two adjacent first fin parts is mutual Dislocation arranges that the slit mutual dislocation in two adjacent second fin parts is arranged.
- 8. according to the temperature measuring equipment with filter described in claim 1-7 any claims, it is characterised in that： The temperature measuring equipment further includes housing, display screen and suitable for manipulation temperature measuring equipment switching on and shutting down and the button of parameter setting Component, display screen and the housing assembling, positioned at the front housing portion of housing, the button assembly, control circuit are arranged at housing Interior, the button of button assembly protrudes from surface of shell by corresponding through hole on housing.
- 9. the temperature measuring equipment according to claim 8 with filter, it is characterised in that：The filter Material is any of silver, copper, aluminium, carborundum.
- A kind of 10. temperature measuring equipment with filter based on Internet of Things, it is characterised in that：Including mobile terminal, thing Networking, temperature sensor, the control circuit suitable for temperature signal collection and processing, the filtering for being adapted to filter out ultralow frequency disturbing signal Device；First fin part of the filter at least by the accumulation of energy portion that is in the form of a column and in the form of sheets is formed, first fin part It is arranged at least one surface in accumulation of energy portion, the first fin part and the thermo-contact of accumulation of energy portion, the first fin part and accumulation of energy portion consolidate It is fixed；The inside in the accumulation of energy portion sets the thermometric portion in blind hole shape extended along its axis direction, which passes suitable for temperature Sensor carries out temperature survey to its cecum portion；The thermometric portion of the temperature sensor and filter is mutually assembled, to detect thermometric The temperature in the cecum portion in portion；The control circuit, mobile terminal difference embedded with network unit, the network unit of mobile terminal pass through The network unit of Internet of Things and control circuit establishes communication connection, suitable for obtain the temperature signal that is detected of temperature measuring equipment and Parameter setting is carried out to it.
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| CN201711222475.5A CN108007592B (en) | 2017-11-28 | 2017-11-28 | Temperature measuring device with filtering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222475.5A CN108007592B (en) | 2017-11-28 | 2017-11-28 | Temperature measuring device with filtering device |
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| CN108007592B CN108007592B (en) | 2021-08-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115356A (en) * | 2018-07-17 | 2019-01-01 | 厦门大学 | A method of generating temperature pulse signal |
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| CN108007592B (en) | 2021-08-27 |
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