CN105068578B - Temperature controller capable of restraining fluctuation of detection temperature - Google Patents
Temperature controller capable of restraining fluctuation of detection temperature Download PDFInfo
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- CN105068578B CN105068578B CN201510428904.9A CN201510428904A CN105068578B CN 105068578 B CN105068578 B CN 105068578B CN 201510428904 A CN201510428904 A CN 201510428904A CN 105068578 B CN105068578 B CN 105068578B
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Abstract
The invention discloses a temperature controller capable of restraining fluctuation of detection temperature, which comprises a power supply module, a processor module, a display module, a communication module, a temperature sensor, a key module and a sensible heat module, wherein the processor module carries out calculation processing on signals from the temperature sensor, the key module and the communication module and then transmits the signals to the display module for display; the processor module transmits control signals acquired after calculation processing to an air conditioning control system; the sensible heat module comprises a tubular measurement part with one end sealed capable of accommodating the temperature sensor and a plate heat integration part, the sealed end of the measurement part passes through and protrudes against the plate heat integration part, and the plate heat integration part is opposite to a temperature measurement part of the temperature sensor arranged in the measurement part. The sensible heat module has a large heat transfer area, is contacted with to-be-measured air, has a large detection area, and is high in heat transfer efficiency, room temperature detection precision is improved, room temperature fluctuation is reduced, and temperature control response delay is further shortened.
Description
Technical field
The present invention relates to a kind of temperature controller, more particularly to it is a kind of with the temperature control for suppressing detection temperature fluctuation
Device, belongs to domain of control temperature.
Background technology
The indoor temperature that air conditioning system is maintained usually fluctuates widely, sometimes hot and sometimes cold, allows people to feel extremely uncomfortable, has
When be also possible to that the health of people can be affected.Fluctuating widely for the indoor temperature of air conditioning system is mainly caused by temperature controller
, and the temperature sensor of temperature controller and its temperature sampling mode determine that the control of temperature controller is ageing and control is smart
Degree, and then affect comfort of the people to temperature.
The temperature sensor of traditional temperature controller is usually mounted on the inside the shell of temperature controller or circuit panel,
And convection holes are set on case body, temperature sensor and tested air contact, the temperature of the tested air of direct detection.Pass
The temperature controller of system has problems to the accurate measurement of temperature：Temperature detection area is little, due to the temperature of tested air
Degree skewness, with air current flow, there is frequent fluctuation in the temperature of temperature sensor detection；Perforate on housing, in housing
Portion's air flow property is poor, and temperature-responsive can be caused excessively slow, it is often necessary to above could react true room temperature within about 10 minutes；Temperature control
The heat that the control circuit of device processed is produced, is radiated in temperature sensor the generation drift of the temperature for detecting temperature sensor,
Cause the temperature of tested air too low.
For storing up many problems present in above-mentioned prior art, exploitation is needed badly a kind of big with the area of detection of tested air
The short temperature controller for air conditioning system for being provided with thermal-arrest screen of temperature control response time.
The content of the invention
It is an object of the invention to provide it is a kind of with the temperature controller for suppressing detection temperature fluctuation, for solving existing skill
Problem present in art：The temperature sensing area of temperature sensor is little, easily by the tested air draught stream that temperature distributing disproportionation is even
Move and produce test point temperature fluctuation；Perforate on the housing of temperature controller causes temperature sensor surrounding air mobility poor
Cause the temperature-responsive time excessively slow；The heat that electronic devices and components on controller internal circuit board are produced causes temperature sensor to be examined
There is temperature drift and fast accurate measurement cannot be carried out to room temperature in the temperature of survey.To achieve these goals, the present invention develops one
Plant the temperature controller that temperature sensor and sensible heat module are combined.
It is a kind of with the temperature controller for suppressing detection temperature fluctuation, its designing points that technical scheme is provided
It is：Including power module, processor module, display module, communication module, temperature sensor, key-press module and sensible heat module,
The power module is used to provide electric energy to processor module, display module, communication module, temperature sensor；The processor
Module is computed the signal from temperature sensor, key-press module and communication module for being received to be sent to display mould after processing
Block is shown；The control signal Jing communication module that processor module is obtained after calculating is processed sends air-conditioner control system to；
The sensible heat module includes Measurement portion and tabular thermal-arrest portion, and the Measurement portion is to be provided with similar to temperature sensor shape to hold
The tubular structure that the one end of temperature sensor of receiving is closed, the Measurement portion is through tabular thermal-arrest portion, the blind end of Measurement portion
Tabular thermal-arrest portion is protruded from, so that the thermometric portion of tabular thermal-arrest portion and the temperature sensor being assemblied in Measurement portion is relative, it is described
Temperature sensor is assemblied in Measurement portion and fits with the blind end of the Measurement portion.
In the application, the present invention also has preferred technical scheme further below.
Further, at least one side in the tabular thermal-arrest portion is provided with the heat collection gate for increasing heat exchange area
Plate, the part thermal-arrest screen that its neutralization Measurement portion is interfered mutually is fixed with the outer surface of Measurement portion.The height of thermal-arrest screen
Higher than the height of prominent blind end, it can also be less than or equal to.
Further, the thermal-arrest screen is flat board, arranged in parallel.
Further, the thermal-arrest screen is curved with the intersection of the plane parallel to tabular thermal-arrest portion, and its is symmetrical
In the periphery of tubulose Measurement portion.
Further, the curve is made up of circular arc, or the curve is made up of parabola, or the curve is by extremely
Few two are sequentially connected with and circular arc composition mutually circumscribed at junction point, or the curve is sequentially connected by least two straightways
Constitute.
Further, the gap filling heat-conducting silicone grease between the temperature sensor and Measurement portion.
Further, the Measurement portion, thermal-arrest screen and tabular thermal-arrest portion are formed in one.
Further, using DS18B20 digital temperature sensors, the Measurement portion is for its end face for the temperature sensor
Semicircular tubular, tabular thermal-arrest portion is square plate.
Further, the material of the sensible heat module is the high aluminum of thermal conductivity, copper or silver.
Further, the spacing between the two of the thermal-arrest screen adjacent heat collection gate plates is equal.
DS18B20 temperature sensors adopt " one-wire bus " structure, eliminate the after-treatment of signal, save electronics unit
Device, reduces consumption heating, reduces the impact that the heat of control circuit is detected to temperature sensor to room temperature, further carries
The high precision of room temperature detection.
Temperature sensor is assemblied in the Measurement portion of sensible heat module, and is fitted with the inner surface of the blind end of Measurement portion,
Part filling heat-conducting silicone grease is filled in gap between the Measurement portion of temperature sensor and sensible heat module, temperature sensor and sense is reduced
Thermal resistance between thermal modules, improves effective transmission of the heat of temperature sensor and sensible heat intermodule, it is ensured that temperature sensor can be with
The temperature of tested air is accurately measured, thermometric response time is less.
The Measurement portion of sensible heat module protrudes from tabular thermal-arrest portion, tabular through tabular thermal-arrest portion, the blind end of Measurement portion
The thermometric portion of thermal-arrest portion and the temperature sensor being assemblied in Measurement portion is relative, and such layout makes the thermometric of temperature sensor
The thermal resistance of portion and sensible heat intermodule is minimum, and temperature sensor can be more directly effectively measuring to the plate for representing detected fluid temperature
The temperature in shape thermal-arrest portion, further to improve the precision of temperature detection, reduction realizes that tested air themperature reaches controlled object temperature
The time of degree.
Temperature sensor and sensible heat module are used cooperatively, sensible heat module and tested air contact, sensible heat module and tested sky
Heat exchange is carried out between gas, while sensible heat module serves as heat catalysis, the tested sky for making the temperature distributing disproportionation of detection zone even
The heat of gas is delivered at low temperature from high temperature, makes the regional temperature tend to identical, until the temperature of sensible heat module and tested sky
The temperature of gas is identical, and now the temperature of sensible heat module is the mean temperature of the detection zone air, temperature sensor measurement sensible heat
The temperature of module, that is, measure the mean temperature of tested air.Sensible heat module has Measurement portion, tabular thermal-arrest portion, thermal-arrest screen,
So that having bigger contact heat-exchanging area between sensible heat module and tested air, the temperature measured by temperature sensor is sensible heat mould
The mean temperature of the tested air section that block is contacted.When the even tested air flow of temperature distributing disproportionation, and sensible heat module
What the tested air of contact had a high-temperature region also has a low-temperature space, the impact of high-temperature region and low-temperature space to sensible heat module will part very
To being completely counterbalanced by, the fluctuation very little of the temperature of sensible heat module, the temperature that the temperature sensor used cooperatively with sensible heat module is detected
Degree fluctuating margin is very little, and the fluctuating margin of the temperature of such temperature sensor detection is little more stable.Tested air is typically
The non-conductor of heat, heat is delivered to another place from one needs longer time, if the tested sky of temperature sensor direct detection
The temperature of gas, the temperature for being detected is fluctuated, and fluctuating margin is big, about 4 degree, causes temperature control system frequent movement, then need
The very long target that can just make (average) temperature of tested air reach control to (control of room temperature about 8-10 minutes) between seasonable
Temperature；And sensible heat module is made using the high material (such as copper, aluminum, silver or carbon fiber) of thermal conductivity, and sensible heat module contacts
The heat of tested air is delivered to temperature lower region, the thermal conductivity of sensible heat module by sensible heat module from areas of higher temperature
Greatly, area of detection is big, and the fluctuating margin using the temperature detected after sensible heat module is little, greatly reduces and realizes tested air
Mean temperature reaches the time of control targe temperature, about needs 1-3 minutes.
Beneficial effect
Temperature detection has higher precision, and the blind end of Measurement portion protrudes from tabular thermal-arrest portion, tabular thermal-arrest portion and dress
The thermometric portion for being assigned in the temperature sensor of Measurement portion is relative, make temperature sensor thermometric portion and sensible heat intermodule thermal resistance most
Little, temperature sensor can more directly measure the temperature of detected fluid, make temperature detection have higher precision, tested sky
The temperature of gas is shorter the time required to reaching controlled object temperature.
Temperature sensor detects the mean temperature of target area, and the fluctuating margin of measured temperature is little, by sensible heat module
Measurement portion, tabular thermal-arrest portion, thermal-arrest screen so that have bigger contact area between sensible heat module and tested air, temperature is passed
The mean temperature of the tested air section that the temperature measured by sensor is contacted by sensible heat module.When the quilt that temperature distributing disproportionation is even
When surveying air flow, and the tested air of sensible heat module contact has also the having compared with low temperature of higher temperatures, higher temperatures and low temperature
Impact of the tested air to sensible heat module part is even completely counterbalanced by, the temperature fluctuation of sensible heat module is little, with sensible heat module
The temperature fluctuation amplitude that the temperature sensor for using cooperatively is detected is very little.
Reduce the response time that tested air themperature reaches control targe temperature, tested air is typically the bad of heat and leads
Body, heat is delivered to another place from one needs longer time, if the temperature of the tested air of temperature sensor direct detection, institute
The temperature of detection is fluctuated, and fluctuating margin is big, about 4 degree, causes temperature control system frequent movement, then when needing longer response
Between can just make the temperature of tested air reach control targe temperature.Sensible heat module is made using the material of high heat conductance, with sensible heat
The heat of the tested air that module contacts is delivered to temperature lower region, sensible heat mould by sensible heat module from areas of higher temperature
The thermal conductivity of block is high, and area of detection is big, and the fluctuating margin using the temperature detected after sensible heat module is little, greatly reduces realization
The temperature of tested air reaches the time of control targe temperature.
DS 18B20 temperature sensors adopt " one-wire bus " structure, eliminate the after-treatment of signal, save electronics
Components and parts, reduce consumption heating, reduce the impact that the heat of control circuit is detected to temperature sensor to room temperature, further
Improve the precision of room temperature detection.
Description of the drawings
The structural representation of Fig. 1 temperature controllers of the present invention.
The control principle block diagram of Fig. 2 temperature controllers of the present invention.
The schematic front view of Fig. 3 sensible heat modules.
A kind of thermal-arrest screens of Fig. 4 are the top view of the sensible heat module of single circular arc.
A kind of thermal-arrest screens of Fig. 5 are the top view of parabola shaped sensible heat module.
A kind of thermal-arrest screens of Fig. 6 are the top view of the sensible heat module of many circular curves.
A kind of thermal-arrest screens of Fig. 7 are the top view of the sensible heat module of fold-line-shaped.
A kind of control circuit schematic diagram in Fig. 8 embodiments.
Wherein：1- sensible heat modules, 11- tabular thermal-arrests portion, 12- thermal-arrest screens, 13- Measurement portions, 2- temperature sensors, 3- leads
Hot silicone grease, 5- shells, 6- control boards.
Specific embodiment
In order to be able to being better described and understanding technical scheme, with reference to specific embodiments and the drawings to this skill
Art scheme is described further.
A kind of temperature controller with suppression detection temperature fluctuation of the present invention, as depicted in figs. 1 and 2, including power supply
Module, processor module, display module, communication module, temperature sensor, key-press module and sensible heat module 1, it also includes shell
5 and control board 6.Power module, processor module and communication module, control circuit are provided with the control board 6
Plate 6 is fixed in shell 5；Sensible heat module 1 is fixed on shell 5 and partial denudation is in the outside of shell 2, exposed part and quilt
Survey air to contact.The power module is used to provide electricity to processor module, display module, communication module, temperature sensor
Energy.The processor module is computed the signal from temperature sensor, key-press module and communication module for being received to process
After be sent to display module and shown, wherein processor module is made up of microprocessor, clock circuit and power subsystem.Process
The control signal Jing communication module that device module is obtained after calculating is processed sends air-conditioner control system to.The sensible heat module 1 is wrapped
Include Measurement portion 13 and tabular thermal-arrest portion 11, the Measurement portion 13 similar to the shape of temperature sensor 2 can accommodate temperature to be provided with
Sensor 2 one end closing tubular structure, i.e., described Measurement portion 13 be hollow cylinder, and one end close；The measurement
Portion 13 protrudes from tabular thermal-arrest portion 11 through tabular thermal-arrest portion 11, the blind end of Measurement portion 13, so that the He of tabular thermal-arrest portion 11
The thermometric portion of the temperature sensor 2 being assemblied in Measurement portion 13 is relative, the temperature sensor 2 be assemblied in Measurement portion 13 and and
The inner surface of the blind end of the Measurement portion 13 fits.Gap filling thermal conductive silicon between temperature sensor 2 and Measurement portion 13
Fat 3, to reduce the thermal resistance between temperature sensor 2 and sensible heat module 1, it is ensured that fully pass between temperature sensor 2 and sensible heat module 1
Heat, allows temperature sensor 2 more accurately to measure the temperature of tested air, so that tested air is reached needed for control temperature
Response time it is less.
The tabular thermal-arrest portion 11 be fixed with the surface of the blind end side of Measurement portion 13 it is multiple for increase change
The thermal-arrest screen 12 of hot area, part thermal-arrest screen 12 and Measurement portion 13 that its blind end for neutralizing Measurement portion 13 is interfered
The outer surface of blind end be engaged, and mutually fix with the outer surface of the blind end of Measurement portion 13, and be fully contacted.Thermal-arrest screen
12 are used for and tested air contact, strengthen between tested air and conduct heat between tested air and Measurement portion 13.Thermal-arrest
Screen 12 is flat board, arranged in parallel, it may be preferable that the spacing equal (can also be unequal) between two adjacent heat collection gate plates.
Preferably, thermal-arrest screen 12 is perpendicular to tabular thermal-arrest portion 11 (it can also favour tabular thermal-arrest portion 11)；The tabular thermal-arrest
The thickness in portion 11 is 2mm, and the thickness of thermal-arrest screen 12 is 1.2mm, other thickness can also be selected as needed, due to not being this
Invention needs technology point to be protected, here no longer to list one by one.The Measurement portion 13, thermal-arrest screen 12 and tabular thermal-arrest portion 11 are
Be integrally formed, it is to avoid welding produces thermal resistance, it is ensured that good heat conductivity, material is the high aluminum of thermal conductivity, or copper, silver or
Carbon fiber.Wherein, the height of the thermal-arrest screen 12 and the blind end of Measurement portion 13 protrude from the height phase in tabular thermal-arrest portion 11
Together, as shown in Figure 1, Figure 3, it is also possible to higher or lower than the height that the blind end of Measurement portion 13 protrudes from tabular thermal-arrest portion 11.On
The contact area for stating sensible heat module 1 and tested air is big, and heat exchange efficiency is high, using the sensible heat module of said structure, temperature control
The dynamic property when tested air themperature is measured of device is excellent, the control to room temperature, it is only necessary to reach can room temperature in about 2.5 minutes
To target control temperature.
The tabular thermal-arrest portion 11 can also be fixed with the surface of the side of Measurement portion 13 it is multiple for increase change
The thermal-arrest screen 12 of hot area, part thermal-arrest screen 12 and the outer surface of Measurement portion 13 that its neutralization Measurement portion 13 is interfered
It is engaged, and mutually fixes with the outer surface of Measurement portion 13, for the heat exchange area for further increasing sensible heat module, strengthens conduction quilt
The heat of air, the precision of raising temperature sensor detection temperature are surveyed, and reduces the fluctuating margin of institute's detection temperature, be that people carry
For more comfortable temperature environment.
The Measurement portion of sensible heat module protrudes from tabular thermal-arrest portion, tabular through tabular thermal-arrest portion, the blind end of Measurement portion
The thermometric portion of thermal-arrest portion and the temperature sensor being assemblied in Measurement portion is relative, and preferably just relative, such layout makes temperature
The thermometric portion of sensor and the thermal resistance of sensible heat intermodule are minimum, and temperature sensor can be more directly effectively measuring tested to representing
The temperature in the tabular thermal-arrest portion of fluid temperature (F.T.), further to improve the precision of temperature detection, reduction realizes that tested air themperature reaches
To the time of controlled object temperature.
In order to improve the heat exchange efficiency of sensible heat module, in the case of its constancy of volume, using the heat collection gate of curve form
Plate, can effectively increase heat exchange area.The thermal-arrest screen 12 is in song with the intersection of the plane parallel to tabular thermal-arrest portion 11
Line, it is symmetrically distributed in the periphery of Measurement portion 13, the such as left and right sides or surrounding (being not drawn in figure), for increasing heat exchange area,
The precision of temperature sensor detection temperature is improved, and reduces the fluctuating margin of institute's detection temperature.The curve is made up of circular arc, or
Curve is made up of parabola described in person, or the circular arc structure that the curve is sequentially connected with by least two and junction point is mutually circumscribed
Into, or the curve is sequentially connected by least two straightways and constituted.4 kinds of application structure forms of thermal-arrest screen 12 point
It is not described in detail below.
Application form 1, the curve is made up of single circular arc, as shown in figure 4, the circular arc is symmetrically distributed in Measurement portion 13
The left and right sides, left arc is convex to Measurement portion 13, and right circular arc is convex to Measurement portion 13；The left arc and right circular arc it
Between without thermal-arrest screen region arrange one, two or more flat thermal-arrest screens, or arrange one, it is two or more with
Area is changed in the close thermal-arrest screen of the circular arc curvature, increase, improves heat exchange efficiency.That is bending of the thermal-arrest screen 12 in arc-shaped
Plate, to the contact area for increasing sensible heat module 1 and tested air, strengthens heat exchange efficiency, using this structure sensible heat module when,
Dynamic property of the temperature control equipment when tested air themperature is measured is excellent, the control to room temperature, it is only necessary to can make for about 2 minutes
Room temperature reaches target control temperature.
Application form 2, the curve is made up of wall scroll parabola, as shown in figure 5, the parabola is symmetrically distributed in measurement
The left and right sides in portion 13, left side parabola is convex to Measurement portion 13, and right side parabola is convex to Measurement portion 13；The left side parabola and
Right side parabola between without thermal-arrest screen region arrange one, two or more flat thermal-arrest screens, or arrange one,
Area is changed in two or more thermal-arrest screens close with the parabolic curvature, increase, improves heat exchange efficiency.That is thermal-arrest screen 12
Parabolically the twisted plate of shape, to the contact surface for increasing sensible heat module 1 and tested air, strengthens heat exchange efficiency, using this knot
During the sensible heat module of structure, dynamic property of the temperature control equipment when tested air themperature is measured is excellent, the control to room temperature, only
Need room temperature can be made to reach target control temperature within about 2 minutes.
Application form 3, the curve is sequentially connected with by least two its free ends and circular arc tangent at junction point is constituted,
I.e. thermal-arrest screen 12 is in wavy curved sheets, as shown in fig. 6, the center of circle of adjacent circular arc is distributed in the difference of the circular arc
Side, makes adjacent circular arc mutually circumscribed, and forms smooth curve.Said by taking the curve that two circular arcs are constituted as an example for ease of understanding
It is bright, as shown in fig. 6, the curve is made up of two mutually circumscribed circular arcs, the center of circle of described two circular arcs not arbitrary circle wherein
The homonymy of arc, so that two circular arcs are mutually circumscribed, forms smooth curve.Its contact surface to increase sensible heat module 1 and tested air,
Strengthen heat exchange efficiency, using this structure sensible heat module when, temperature controller measure tested air themperature when dynamic property
Excellent, to room temperature control, it is only necessary to room temperature can be made to reach target control temperature in about 1.8 minutes.
Application form 4, the curve is sequentially connected by least two straightways and is constituted, i.e., thermal-arrest screen 12 is in polyline shaped
Curved sheets, as shown in fig. 7, for convenience, serial number are sequentially carried out to aforesaid rectilinear section, suitable to straightway from one end
Secondary numbering, e.g., 1,2,3 ... n, the straightway of wherein odd-numbered is parallel to each other, and the straightway of even-numbered is parallel to each other, its
The straightway of the odd-numbered of middle numbering consecutive numbers is connected with one end of the straightway of even-numbered, and carries out fillet in junction point
Process (being not drawn in figure), to constitute the smooth curve of polyline shaped.Lift for ease of understanding, be with the curve that three straightways are constituted
Example is illustrated, as shown in fig. 7, the broken line is sequentially connected by three straightways constituting.From bottom to top sequentially to straightway volume
Number：1、2、3；Wherein No. 1, No. 3 straightway it is parallel, Line 1 section is connected with No. 2 line segments, and No. 2 line segments and No. 3 line segments are connected,
And fillet process is carried out to junction.To the contact surface for increasing sensible heat module 1 and tested air, strengthen heat exchange efficiency, adopt
During the sensible heat module of this structure, dynamic property of the temperature controller when tested air themperature is measured is excellent, the control to room temperature,
Only need to about 1.8 minutes that room temperature can be made to reach target control temperature.
The Measurement portion of sensible heat module, tabular thermal-arrest portion, thermal-arrest screen so that the tested sky in sensible heat module and certain body domain
Gas phase is contacted, and it has bigger contact area, and temperature detection area is bigger, and the temperature measured by temperature sensor is sensible heat mould
The mean temperature of tested air in the body domain that block is contacted, measures the mean temperature in body domain, can more react tested air themperature water
It is flat.When the even tested air flow of temperature distributing disproportionation, and the tested air of sensible heat module contact has also having for higher temperatures
Compared with low temperature, impact of higher temperatures and low temperature the tested air to sensible heat module is even completely counterbalanced by part, sensible heat module
Temperature fluctuation amplitude very little, the temperature fluctuation amplitude that the temperature sensor used cooperatively with sensible heat module is detected is very little,
The temperature fluctuation amplitude of the tested air that temperature control system is controlled is very little, and its temperature fluctuation range is by 4 degree or so original drops
It is low to less than 1 degree, imperceptible sometimes hot and sometimes cold sensation completely.
Tested air is typically the non-conductor of heat, and heat is delivered to another place from one needs longer time, temperature
If the temperature of the tested air of degree sensor direct detection, the temperature for being detected is fluctuated, fluctuating margin is big, about 4 degree, causes temperature
Degree control system frequent movement, then need longer response time just to make the temperature of tested air reach control targe temperature.Sense
Thermal modules are made using the material (such as copper, aluminum, silver or carbon fiber) of high heat conductance, the tested air contacted with sensible heat module
Heat is delivered to temperature lower region by sensible heat module from areas of higher temperature, and the temperature for making the tested air in the region tends to
Identical, because the thermal conductivity of sensible heat module is high, area of detection is big, using the fluctuating margin of the temperature detected after sensible heat module
It is little, greatly reduce and realize that the temperature of tested air reaches the time of control targe temperature.Prior art about needs just can make for 8 minutes
Room temperature reaches control targe temperature, and the present invention only needs to make room temperature reach control targe temperature less than 3 minutes, i.e., greatly subtract
The response time that tested air themperature reaches control targe temperature is lacked.
Wherein, the temperature sensor is preferably by DS18B20 digital temperature sensors, it would however also be possible to employ other types
Number temperature sensor, is not the protection point of the present invention, and here will not enumerate.The end face of the Measurement portion of the temperature sensor
For semicircle, tabular thermal-arrest portion 11 is square with what temperature controller profile was adapted.
DS18B20 digital temperature sensors system " one-wire bus " structure, eliminates the after-treatment of signal, saves electronics
The application of components and parts, reduces heating power consumption, reduces impact of the circuit spontaneous heating to room temperature accuracy of detection, improves temperature sensing
Device detects the precision of room temperature.Design space has not only been saved, human cost has been saved, the production cycle has been shortened.
The processor module is carried out the signal received from temperature sensor, button and communication module after calculating process
The signal for obtaining sends display module to and shows；Control signal after processor processes calculating passes to communication module, then by
Communication module sends air-conditioner control system to the signal, and the control for air conditioner runs, and maintains ambient temperature to reach control
Target temperature processed.
Wherein, the power module, as shown in figure 8, including the rectifier bridge D1, three-terminal voltage-stabilizing chip U1 for sequentially electrically connecting,
And for the 1st capacitor C1 and the 2nd capacitor C2 of filtering.Power module is relatively low for the unidirectional current of high voltage to be converted to
The unidirectional current of voltage, for providing reliable and stable electric energy to temperature sensor and processor module.The temperature sensor is
DS18B20 digital temperature sensors, DS18B20 digital temperature sensors are electrically connected with pull-up resistor R1, and resistance R1 can
More reliably work.The processor module U2 includes microprocessor and clock circuit.The microprocessor is relatively low using price
Single-chip microcomputer, such as C51 single-chip microcomputers, main collection from temperature sensor, key-press module and communication module signal, and to collection
Signal carry out calculation process, then the signal transmission that computing is obtained is to display module and communication module, and communication module is receiving
To signal air-conditioner control system is sent to by communication channel.3rd electric capacity C3 is the filter circuit of the power pack of single-chip microcomputer,
Crystalline substance shake Y1, electric capacity C4 and C5 constitute the clock circuit of single-chip microcomputer, for providing clock signal to single-chip microcomputer.
For traditional temperature sensor, using DS18B20 digital temperature sensors, the secondary of signal is eliminated
Process, save electronic devices and components application, reduce trouble point, reduce control circuit heating, reduce circuit spontaneous heating pair
The impact of room temperature accuracy of detection, improves the precision that temperature sensor detects room temperature；Design space, human cost are not only saved, also
Shorten the production cycle.
Compared to the prior art, the present invention has following technological progress.
The Measurement portion of sensible heat module protrudes from tabular thermal-arrest portion, tabular through tabular thermal-arrest portion, the blind end of Measurement portion
The thermometric portion of thermal-arrest portion and the temperature sensor for being assemblied in Measurement portion is relative, makes thermometric portion and the sensible heat intermodule of temperature sensor
Thermal resistance it is minimum, temperature sensor can the more direct effectively measuring temperature to the tabular thermal-arrest portion for representing detected fluid temperature
Degree, further to improve the precision of temperature detection, reduction realizes that tested air themperature reaches the time of controlled object temperature.
Temperature sensor detects the mean temperature of target area, and the fluctuating margin of measured temperature is little, by sensible heat module
Measurement portion, tabular thermal-arrest portion, thermal-arrest screen so that have bigger contact area between sensible heat module and tested air, temperature is passed
The mean temperature of the tested air section that the temperature measured by sensor is contacted by sensible heat module.When the quilt that temperature distributing disproportionation is even
When surveying air flow, and the tested air of sensible heat module contact has also the having compared with low temperature of higher temperatures, higher temperatures and low temperature
Impact of the tested air to sensible heat module part is even completely counterbalanced by, the temperature fluctuation amplitude of sensible heat module is little, with sensible heat
The temperature fluctuation amplitude that the temperature sensor that module is used cooperatively is detected is very little.
Reduce the response time that tested air themperature reaches control targe temperature, tested air is typically the bad of heat and leads
Body, heat is delivered to another place from one needs longer time, if the temperature of the tested air of temperature sensor direct detection, institute
The temperature of detection is fluctuated, and fluctuating margin is big, about 4 degree, causes temperature control system frequent movement, then when needing longer response
Between can just make the temperature of tested air reach control targe temperature.Sensible heat module is made using the material of high heat conductance, with sensible heat
The heat of the tested air that module contacts is delivered to temperature lower region by sensible heat module from areas of higher temperature, due to sense
The thermal conductivity of thermal modules is high, and area of detection is big, and the fluctuating margin using the temperature detected after sensible heat module is little, greatly reduces
The temperature for realizing tested air reaches the time of control targe temperature.
DS18B20 temperature sensors adopt " one-wire bus " structure, eliminate the after-treatment of signal, save electronics unit
Device, reduces consumption heating, reduces the impact that the heat of control circuit is detected to temperature sensor to room temperature, further carries
The high precision of room temperature detection.
Above example is only to do explanatory elaboration for the present invention, it is not limited to this kind of embodiment, can be realized
The object of the invention other any equivalents modes come under protection scope of the present invention.
Claims (10)
1. a kind of with the temperature controller for suppressing detection temperature fluctuation, it is characterised in that：Including power module, processor die
Block, display module, communication module, temperature sensor, key-press module and sensible heat module, the power module is used for processor die
Block, display module, communication module, temperature sensor provide electric energy；The processor module is being received from temperature sensing
The signal of device, key-press module and communication module is computed being sent to display module and being shown after processing；Processor module is meter
The control signal Jing communication module that calculation is obtained after processing sends air-conditioner control system to；The sensible heat module includes Measurement portion and plate
Shape thermal-arrest portion, the Measurement portion is to be provided with the one end closing that can accommodate temperature sensor similar to temperature sensor shape
Tubular structure, through tabular thermal-arrest portion, the blind end of Measurement portion protrudes from tabular thermal-arrest portion to the Measurement portion, so that tabular collection
Hot portion and the thermometric portion of temperature sensor being assemblied in Measurement portion are relative, the temperature sensor be assemblied in Measurement portion and and
The blind end of the Measurement portion fits.
2. based on a kind of with the temperature controller for suppressing detection temperature fluctuation described in claim 1, it is characterised in that：It is described
At least one side in tabular thermal-arrest portion is provided with the thermal-arrest screen for increasing heat exchange area, and the collection that Measurement portion is interfered
Hot screen is mutually fixed with the outer surface of Measurement portion.
3. based on a kind of with the temperature controller for suppressing detection temperature fluctuation described in claim 2, it is characterised in that：It is described
Thermal-arrest screen is flat board.
4. based on a kind of with the temperature controller for suppressing detection temperature fluctuation described in claim 2, it is characterised in that：It is described
Thermal-arrest screen is curved with the intersection of the plane parallel to tabular thermal-arrest portion, and it is symmetrically distributed in the periphery of Measurement portion.
5. based on a kind of with the temperature controller for suppressing detection temperature fluctuation described in claim 4, it is characterised in that：It is described
Curve is made up of circular arc, or the curve is made up of parabola, or the curve is sequentially connected with by least two and is connected
Mutually circumscribed circular arc is constituted at point, or the curve is sequentially connected by least two straightways and is constituted.
6. based on a kind of temperature controller with suppression detection temperature fluctuation described in claim 2-5 any claim,
Characterized in that, the gap filling heat-conducting silicone grease between the temperature sensor and Measurement portion.
7. based on a kind of with the temperature controller for suppressing detection temperature fluctuation described in claim 6, it is characterised in that described
Measurement portion, thermal-arrest screen and tabular thermal-arrest portion are formed in one.
8. based on a kind of with the temperature controller for suppressing detection temperature fluctuation described in claim 7, it is characterised in that described
Temperature sensor adopts DS18B20 digital temperature sensors, and the Measurement portion is that its end face is semicircular tubular, tabular thermal-arrest
Portion is square.
9. based on a kind of with the temperature controller for suppressing detection temperature fluctuation, its feature described in the arbitrary right of claim 8
It is that the material of the sensible heat module is the high aluminum of thermal conductivity, copper or silver.
10., based on a kind of arbitrary described temperature controller with suppression detection temperature fluctuation of claim 2-5, its feature exists
In the spacing between two adjacent heat collection gate plates of the thermal-arrest screen is equal.
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| CN201510428904.9A CN105068578B (en) | 2015-07-18 | 2015-07-18 | Temperature controller capable of restraining fluctuation of detection temperature |
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| CN107917484B (en) * | 2016-10-06 | 2021-10-29 | 江森自控科技公司 | Thermostat with heat rise compensation based on wireless data transmission |
| CN109839020B (en) * | 2017-11-28 | 2022-04-15 | 李明守 | Mechanical filter |
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| JPH0996571A (en) * | 1995-09-28 | 1997-04-08 | Ngk Spark Plug Co Ltd | Heat receiving body of temperature sensor |
| CN201348541Y (en) * | 2008-12-18 | 2009-11-18 | 邝璘 | Quick-response temperature sensor |
| CN201772939U (en) * | 2010-08-11 | 2011-03-23 | 西安恒新自动控制有限公司 | Novel digital temperature measuring sensor |
| CN203480336U (en) * | 2013-08-05 | 2014-03-12 | 南京贝孚莱电子科技有限公司 | A temperature controller using novel temperature acquisition technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0996571A (en) * | 1995-09-28 | 1997-04-08 | Ngk Spark Plug Co Ltd | Heat receiving body of temperature sensor |
| CN201348541Y (en) * | 2008-12-18 | 2009-11-18 | 邝璘 | Quick-response temperature sensor |
| CN201772939U (en) * | 2010-08-11 | 2011-03-23 | 西安恒新自动控制有限公司 | Novel digital temperature measuring sensor |
| CN203480336U (en) * | 2013-08-05 | 2014-03-12 | 南京贝孚莱电子科技有限公司 | A temperature controller using novel temperature acquisition technology |
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Effective date of registration: 20190411 Address after: 210 000 No. 70 Shuanggao Road, Gubai Town, Gaochun District, Nanjing City, Jiangsu Province Patentee after: Nanjing Xidi Electrical Appliances Co., Ltd. Address before: 232170 Chen Lane Village, new town, Fengtai County, Huainan, Anhui, 112 Patentee before: Chen Ge |
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Denomination of invention: A temperature controller with restraining detection temperature fluctuation Effective date of registration: 20210923 Granted publication date: 20170517 Pledgee: China Construction Bank Co.,Ltd. Nanjing Gaochun sub branch Pledgor: NANJING XIDI ELECTRIC APPLIANCE Co.,Ltd. Registration number: Y2021980009742 |
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Date of cancellation: 20220111 Granted publication date: 20170517 Pledgee: China Construction Bank Co.,Ltd. Nanjing Gaochun sub branch Pledgor: NANJING XIDI ELECTRIC APPLIANCE Co.,Ltd. Registration number: Y2021980009742 |