CN109240369A - A kind of temp-sensing device, system and its temprature control method - Google Patents
A kind of temp-sensing device, system and its temprature control method Download PDFInfo
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- CN109240369A CN109240369A CN201811089600.4A CN201811089600A CN109240369A CN 109240369 A CN109240369 A CN 109240369A CN 201811089600 A CN201811089600 A CN 201811089600A CN 109240369 A CN109240369 A CN 109240369A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The invention proposes a kind of temp-sensing device, system and its control method, temp-sensing device includes: heating module, including hot chamber and the PTC heater intracavitary set on heat；Refrigeration module, including cold chamber and set on cold intracavitary semiconductor chilling plate；And air intake assembly, go out pneumatic module and control module.The embodiment of the present invention has selected semiconductor chilling plate and PTC heater small in size and thin respectively as refrigeration source and heating source, it is individually enclosed in two independent cavitys and is worked, control module control device generates cold and hot two kinds or in which a kind of air-flow simultaneously, also can provide a variety of warming tactiles while reducing the volume of device.Warming system includes host computer and aforementioned temp-sensing device, the temperature instruction that the received host computer of the control module of temp-sensing device issues, in conjunction with pid control algorithm real-time monitoring Current Temperatures and temperature requirements, the air-flow for meeting temperature requirements using PWM control gas outlet discharge realizes the warming control of automatic touch trigger.
Description
Technical field
The present invention relates to the technical fields that temperature is adjusted, and in particular to a kind of temp-sensing device, system and its temperature controlling party
Method.
Background technique
With the fast development and application of virtual reality and augmented reality, the temperature sense based on virtual reality or augmented reality
Know that tactile is also an important research direction.Temperature sensing tactile is exactly to perceive cold and hot process.Existing temperature sensing
Haptic device mostly uses high voltage, and energy consumption is high, and the wasting of resources is larger.And current temperature sensing haptic device volume is larger, such as
Freezed by the way of condensing refrigerant and compression, in addition there are also liquid vaporization refrigeration, absorption type refrigerating, gas expansion refrigeration, whirlpool
Flow tube refrigeration etc., these refrigeration modes are all higher to equipment requirement, cause equipment volume larger, can not be applied to the work of chain-wales
Make environment.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of temperature sensing device, system and its control method, Neng Goutong
When generate the temperature sensing tactile of cold air and hot gas, the device volume is small, and refrigeration and heating efficiency are high, solves in the prior art
The bulky problem of temperature control equipment.
The technical scheme of the present invention is realized as follows:
A kind of temp-sensing device, comprising:
Heating module, including hot chamber and the PTC heater intracavitary set on heat, PTC heater is perpendicularly fixed at by fixture block
On hot cavity wall, PTC heater is arranged such and is not contacted with cavity wall, increases air-flow and PTC heater contact area, can be improved
Radiating efficiency；Refrigeration module, including cold chamber and set on cold intracavitary semiconductor chilling plate, semiconductor chilling plate is embedded in the chamber of cold chamber
In wall, the huyashi-chuuka (cold chinese-style noodles) of cooling piece is towards cold intracavitary, and the heat of semiconductor chilling plate faces outside cold chamber, and cold chamber and hot chamber are arranged side by side；Into
Pneumatic module, the air inlet including being set to hot chamber and cold bottom of chamber seat, further, air inlet is U-type groove；Pneumatic module out, including set
In the gas outlet and the exhaust fan between gas outlet and air inlet of hot chamber and cold top of chamber, the face of blade direction of exhaust fan
Gas outlet, for intracavitary air-flow to be discharged from gas outlet；Control module, for according to the temperature instruction control temp-sensing device received
Work.
It further, is the radiating efficiency for improving PTC heater, PTC heater single side is equipped with cooling fin or two-sided is equipped with
Cooling fin is used for auxiliary heat dissipation.
Further, the huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate connects cooling fin, and the hot face of semiconductor chilling plate connects water-cooled cooling
Component, to improve cooling efficiency.
Further, cooling piece is the double-deck cooling piece, the bilayer cooling piece be a piece of semiconductor chilling plate huyashi-chuuka (cold chinese-style noodles) with
The hot face of another chip semiconductor cooling piece be bonded, and meets larger range of refrigeration demand.
Further, air intake assembly further include first baffle for reducing hot chamber inlet channel and for reduce cold chamber into
The setting position of second plate washer in gas channel, first baffle and the second plate washer is higher than the coboundary of air inlet.Baffle reduce into
Gas channel, it is intracavitary to become smaller with the outer heat interchange channel of chamber, play certain thermal effect.
Further, plane where the second plate washer and exhaust fan is arranged in certain inclination angle, and the inclination angle is 5 °~
45 °, the water droplet generated when for collecting the cold intracavitary refrigeration to the lowest point of second plate washer, the lowest point is equipped with
Water hole, the water droplet generated for cold chamber refrigeration to be discharged.
Further, pneumatic module further includes non-return piece mechanism for heat preservation out, and non-return piece mechanism includes insulation board, spring
Torsional spring and inside casing, insulation board are set to below exhaust fan, and insulation board is wherein connected to form rotation by spring torsional spring and cavity wall on one side
Shaft, inside casing are the setting of horizontal circle cavity wall for limit the frame for keeping the temperature Board position, inside casing and insulation board close to and be set to
The lower section of insulation board, when intracavitary airless, the insulation board and inside casing are closed, and when there is air stream drives, insulation board, which surrounds, to be turned
Axis rotation.
Further, control module includes set on the first intracavitary temperature sensor of heat, set on cold intracavitary second temperature
Sensor, the slave computer being mounted on hot chamber or cold cavity outer wall, the first temperature sensor for obtaining the intracavitary air-flow of heat in real time
Temperature, second temperature sensor for obtaining cold intracavitary gas flow temperature in real time, and host computer is for controlling PTC heater, partly leading
The electric current of body cooling piece and exhaust fan.
The present invention also provides a kind of warming systems, comprising: host computer and above-mentioned temp-sensing device；Host computer receives scene touching
The warming demand of hair simultaneously issues temperature instruction to temp-sensing device, includes needing the type of air-flow and the target of air-flow in temperature instruction
Temperature range, needing the type of air-flow is cold airflow or thermal current；The control module of above-mentioned temp-sensing device receives temperature instruction,
And it controls gas outlet and the air-flow that and Current Temperatures consistent with air-flow type is needed meet target temperature range is discharged；Host computer passes through
Slave computer and temp-sensing device communicate to connect；Slave computer and semiconductor chilling plate, PTC heater, the first temperature sensor, the second temperature
Spend sensor and exhaust fan communication connection.
The present invention also provides a kind of temprature control method of warming system, method is used for above-mentioned warming system, comprising:
S1 host computer receives the warming demand of scenario triggered, and sends temperature instruction to temp-sensing device, wraps in temperature instruction
The target temperature range for including the type and air-flow that need air-flow, needing the type of air-flow is cold airflow or thermal current.
S2 control module receives temperature instruction, and combines the temperature and target temperature of pid control algorithm real-time monitoring gas outlet
Range is spent, the gas outlet discharge and Current Temperatures consistent with air-flow type is needed is controlled using PWM and meets target temperature range
Air-flow.Using pid control algorithm, the error of the gas flow temperature of temp-sensing device generation can reduce.Because when detecting temperature
It reaches in target temperature range, just disconnects PTC calandria or semiconductor chilling plate, the intracavitary temperature of heat can also rise, cold intracavitary
Temperature also declining, overshoot may occur for temperature.Warming system is by by the temperature value and target temperature of real-time measurement
The comparison of range, look-ahead temperature change rationally control PTC heater and semiconductor chilling plate using pid control algorithm
The current switching time.
Further, S2 includes:
S21 slave computer obtains the temperature instruction, and extraction needs air-flow type and target temperature range.
S211 if desired air-flow type be thermal current, slave computer obtain the first temperature sensor measurement the first temperature value with
Target temperature range compares.
If the first temperature value is located in target temperature range, the intracavitary exhaust fan rotation of slave computer control heat, in air-flow
Under driving, the intracavitary insulation board rotation of heat, gas outlet is discharged and Current Temperatures consistent with air-flow type is needed and meets target temperature
The air-flow of range.
If the first temperature value, not in target temperature range, slave computer controls the on-off of relay by PWM, and then controls
The on-off of the electric current of PTC heater adjusts the intracavitary temperature of heat, and non-return piece mechanism is in the state of closure heat preservation, hot chamber at this time
Interior insulation board is closed in the effect of spring torsional spring and inside casing, until the first temperature is fallen into target temperature range, slave computer control
Intracavitary exhaust fan rotation is heated, under the driving of air-flow, the intracavitary insulation board rotation of heat, gas outlet is discharged and needs air-flow class
Type is consistent and Current Temperatures meet the air-flow of target temperature range.
S212 if desired air-flow type be cold airflow, slave computer obtain second temperature sensor measurement second temperature value with
Target temperature range compares.
If second temperature value is located in target temperature range, slave computer controls cold intracavitary exhaust fan rotation, in air-flow
Under driving, cold intracavitary insulation board rotation, gas outlet is discharged and Current Temperatures consistent with air-flow type is needed and meets target temperature
The air-flow of range.
If second temperature value, not in target temperature range, slave computer controls the on-off of relay by PWM, and then controls
The on-off of the electric current of cooling piece adjusts cold intracavitary temperature, and non-return piece mechanism is in the state of closure heat preservation at this time, cold intracavitary
Insulation board be closed in the effect of spring torsional spring and inside casing, until second temperature is fallen into the target temperature range, host computer
Cold intracavitary exhaust fan rotation is controlled, under the driving of air-flow, cold intracavitary insulation board rotation, gas outlet is discharged and needs air-flow class
Type is consistent and Current Temperatures meet the air-flow of target temperature range.
S22 slave computer by PWM control semiconductor chilling plate, PTC calandria, exhaust fan electric current on-off, formed one
A automatic negative feedback control loop keeps gas outlet that consistent with air-flow type is needed and current temperature is discharged by pid control algorithm
Degree meets the air-flow of target temperature range.
Beneficial effects of the present invention:
(1) present invention has selected semiconductor chilling plate and PTC heater small in size and thin respectively as refrigeration source and has added
Heat source is individually enclosed in two independent cavitys and is worked, and can be generated cold and hot two kinds of air-flows simultaneously, can also only be generated it
A kind of middle air-flow also can provide various temperature perception tactile while reducing the volume of device.
(2) present invention keeps the temperature use by connecting cooling fin on cooling piece and PTC heater, while in two intracavitary are equipped with
Non-return piece mechanism, improve device refrigeration and heating efficiency.
(3) system proposed by the present invention is mainly by temperature sensor and host computer as input, semiconductor chilling plate, PTC
As main output, upper computer and lower computer communication connection transmitting temperature is instructed to temperature sensing device for calandria, exhaust fan, under
Position machine forms an automatic negative feedback control loop, realizes dress by control semiconductor chilling plate, PTC heater, exhaust fan
The automatic touch trigger temperature control set.
(4) system proposed by the present invention is controlled by the temperature value of real-time measurement compared with target temperature range using PID
Algorithm look-ahead temperature change processed rationally controls the current switching time of PTC heater and semiconductor chilling plate, improves control
The precision of temperature processed, it is ensured that error ± 0.5 DEG C.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of Facad structure perspective view of temp-sensing device one embodiment of the present invention；
Fig. 2 is a kind of side structure perspective view of temp-sensing device one embodiment of the present invention；
Fig. 3 is the PTC heating element structure in a kind of temp-sensing device one embodiment of the present invention；
Fig. 4 is a kind of system structure diagram of warming system one embodiment of the present invention；
Fig. 5 is a kind of system control block figure of warming system one embodiment of the present invention.
Attached drawing mark: 1 heating module；11 hot chambers；12PTC heater；13 fixture blocks；21 cold chambers；22 semiconductor chilling plates；23
Water cooling adapter；231 water inlets；232 water outlets；24 water inlet pipes；25 water pumps；26 outlet pipes；27 sinks；3 air intake assemblies；31 into
Port；32 first plate washers；33 second plate washers；34 drainpipes；4 go out pneumatic module；41 gas outlets；42 exhaust fans；43 support frames；44 stop
Return chip architecture；441 insulation boards；442 spring torsional springs；5 control modules；51 first temperature sensors；52 second temperature sensors；53
Host computer；6 cooling fins；7 guidewire ports；8 display modules；81 display devices；82 instruction devices；9 host computers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1,
A kind of temp-sensing device, referring to Fig. 1 to 4, comprising:
Heating module 1, the PTC heater 12 including hot chamber 11 and in hot chamber 11, PTC heater 12 pass through fixture block 13
It is perpendicularly fixed on hot 11 inner wall of chamber, the present embodiment preferably uses 2 fixture blocks 13 to fix a PTC heater 12；
Refrigeration module, the semiconductor chilling plate 22 including cold chamber 21 and in cold chamber 21, semiconductor refrigerating 22 is embedded in cold
In the cavity wall of chamber 21, towards in cold chamber 21, the heat of semiconductor chilling plate 22 is faced outside cold chamber 21 for the huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate 22,
As seen from the figure, hot chamber 11 and cold chamber 21 are two independent cavitys, and cold chamber 21 is arranged side by side with hot chamber 11；
Air intake assembly 3, the air inlet 31 including being respectively arranged on 21 pedestal of hot chamber 11 and cold chamber, it is preferred that air inlet 31 is set
It is set to U-type groove；
Pneumatic module 4 out, including be respectively arranged on the gas outlet 41 of hot chamber 11 and the top of cold chamber 21 and be set to gas outlet 41 and into
Exhaust fan 42 between port 31, the face of blade of exhaust fan 42 is towards gas outlet 41.
Preferably, as shown in Figure 1, being equipped with two panels PTC heater 12 in hot chamber 11, PTC heater 12 passes through two fixture blocks
13 threaded connections are perpendicularly fixed on hot 11 inner wall of chamber, are not contacted with cavity wall, and the setting of 12 horizontal Tile of two panels PTC heater increases
Big air-flow and 12 contact area of PTC heater, can be improved radiating efficiency；The model of PTC heater 12 according to temperature requirements into
Row selection；In other embodiments, by the one or both sides in PTC heater 12 add cooling fin 6, carry out auxiliary heat dissipation with
Hot chamber heating efficiency is improved, as shown in figure 3, adding the structural schematic diagram of cooling fin 6 for 12 two sides of PTC heater.
Preferably, as shown in the figures 1 and 2, two panels semiconductor chilling plate 22, two panels semiconductor chilling plate 22 are equipped in cold chamber 21
It is vertically embedded in the cavity wall of cold chamber 21 side by side, the huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate 22 connects cooling fin 6 towards in cold chamber 21, excellent
Choosing, it is connected using silica gel；The heat of semiconductor chilling plate 22 faces the outside of cold chamber 21, and connects water-cooled cooling component, preferably
, water-cooled cooling component includes water cooling adapter 23, water inlet pipe 24, water pump 25, outlet pipe 26 and sink 27.Water cooling adapter 23
Connect semiconductor chilling plate 22 hot face, water cooling adapter 23 include water inlet 231 and water outlet 232, water inlet 231 connect into
Water pipe 24 is drawn water from sink 27 using water pump 25, and water outlet 232 accesses sink 27 by outlet pipe 26.As shown in figure 4, this reality
It applies and is equipped with two panels semiconductor chilling plate 22 in example, two water cooling adapters 23 are distinguished coupled, and two water inlets 231 are carried out
Integration is flowed on water inlet pipe 24, and two water outlets 232 are carried out integration and are connected on outlet pipe 26, then unified connection screw clamp
27, as shown in figure 4, water pipe is silicone tube resistant to high temperature herein.
In other embodiments, when being unable to satisfy refrigeration demand, monolithic semiconductor cooling piece 22 is replaced with into the double-deck refrigeration
Chip architecture, bilayer refrigeration chip architecture are that the hot face of the huyashi-chuuka (cold chinese-style noodles) and another chip semiconductor cooling piece of a piece of semiconductor chilling plate is pasted
It closes, is then placed according to the form of monolithic semiconductor cooling piece 22, inwardly, heat faces outwardly huyashi-chuuka (cold chinese-style noodles), accelerates refrigerating speed.
Further, air intake assembly 3 further includes first baffle 32 for reducing hot 11 inlet channel of chamber and for reducing
The setting position of second plate washer 33 of cold 21 inlet channel of chamber, first baffle 32 and the second plate washer 33 is higher than the top of air inlet 31
Boundary.Preferably, the area of first baffle 32 is the half of the intracavitary cavity horizontal cross-section of heat, the first plate washer 32 and the exhaust fan 42
Place plane is parallel, and the former inlet channel width of hot chamber 11 is made to reduce half；The length of second baffle 33 is equal to cold 21 internal cavity of chamber
Length, width be cold 21 internal cavity of chamber it is wide 2/3rds.
Further, because semiconductor chilling plate 22 can generate water droplet in cold chamber 21 when freezing, by second baffle 33 and row
Gas is fanned 42 planes and is arranged in certain inclination angle, and inclination angle is between 5 °~45 °, as shown in the figures 1 and 2, when for collecting refrigeration
The water droplet of generation opens up an apopore in lowest point, apopore is connected to drainpipe 34, is used for the lowest point of the second plate washer 33
Water droplet is discharged into sink 27；Since the coolant-temperature gage that semiconductor chilling plate 22 generates is low, this advantageously reduces the temperature of water in sink 27
Degree, the cold cycling for reaching water to a certain extent utilize.
Further, exhaust fan 42 is set to the lower section of gas outlet 41, as shown in the figures 1 and 2.Exhaust fan 42 passes through support frame
43 are separately fixed in hot chamber 11 and cold chamber 21, and perpendicular to cavity wall, the face of blade of exhaust fan 42 is towards gas outlet 41；It is preferred that
, gas outlet 41 be arranged to can external pipe circular port, and be equipped with chimb for clamping external pipe.
Further, pneumatic module 4 further includes non-return piece mechanism 44 for heat preservation out, and non-return piece mechanism 44 includes insulation board
441, spring torsional spring 442 and inside casing.Insulation board 441 is set to 42 lower section of exhaust fan, reserves between insulation board 441 and exhaust fan 42
A certain distance, guarantees to be stopped by exhaust fan 42 when insulation board 441 is rotated up, and two panels is equipped in each cavity and is protected
Warm plate 441, every insulation board 441 are wherein connected to form rotary shaft by spring torsional spring 442 and cavity wall on one side, and inside casing is level
Around cavity wall setting for limit the frame of 441 position of insulation board, inside casing and insulation board 441 close to and be set under insulation board
Side, when intracavitary airless, insulation board 441 and inside casing are closed, when there is air stream drives, insulation board 441 enclose rotate around the axis to
Upper opening acts similar open the door.
Further, temp-sensing device further includes the control module according to the temperature instruction control temp-sensing device work received
5, further, control module 5 includes the first temperature sensor 51 in hot chamber 11, the second temperature in cold chamber 21
Sensor 52, the slave computer 53 being mounted on 21 outer wall of hot chamber 11 or cold chamber；Wherein, semiconductor chilling plate 22, PTC heater
12, the first temperature sensor 51, second temperature sensor 52,42 connecting line of exhaust fan, which all pass through guidewire port 7 and be pierced by, is connected to bottom
Machine 53, slave computer 53 are mounted on the rear end face of device, reduce the area of apparatus system, and as described in Figure 1, guidewire port 7 is set to hot chamber
Near 11 air inlet 31.In other embodiments, connecting line can also be embedded in cavity wall.Preferably, slave computer Arduino
Single-chip microcontroller.
Further, temp-sensing device further includes display module 8, display module 8 include: for showing in the hot chamber 11 and
The instruction of the display device 81 of temperature and the working condition for being used to indicate PTC heater 12 and semiconductor chilling plate 22 in cold chamber 21
Device 82.Display device 81 is that two groups of charactrons show the temperature value in hot chamber 11 and cold chamber 21 respectively, in other embodiments,
LCD screen can also be used in display device 81.Instruction device 82 is the work shape that two LED light indicate respectively hot chamber 11 and cold chamber 21
State, LED light can show two kinds of colors of reddish yellow, when for red, indicate that the cavity is in heating or refrigerating state, when for yellow
When indicate cavity in temperature reached target temperature value, be in keeping warm mode.
Further, influencing each other for the temperature of reduction two chambers, the cavity wall of hot chamber 11 and cold chamber 21 is all made of guarantor
Adiabator, or one layer of heat preservation material is coated in the inner cavity of hot chamber 11 and cold chamber 21.
Further, the present embodiment is using the voltage of power supply adaptor 12V to semiconductor chilling plate 22, PTC calandria 12
It is powered；Display module 8, the first temperature sensor 51, second temperature sensor 52, exhaust fan 42 are connected directly between slave computer
It is powered and controls on 53；Water pump 25 is directly connected to 12V power supply adaptor.Those skilled in the art can be according to semiconductor
The model of cooling piece 22 and PTC calandria 12 modifies power module accordingly.In other embodiments, PTC calandria
When 12 voltage ratings are not 12V, voltage is become PTC using transformer by the power supply adaptor of connection 12V by slave computer 53
The voltage rating of calandria 12 carries out pressure stabilizing control using relay connection PTC calandria 12.The big portion of the device of the present embodiment
Subassembly all uses low-voltage power supply, and energy consumption is lower.
Embodiment 2:
A kind of warming system, referring to Fig. 5, the temp-sensing device including host computer 9 and embodiment 1:
Host computer 9 receives the warming demand of scenario triggered and issues temperature instruction to temp-sensing device, includes in temperature instruction
The type of air-flow and the target temperature range of air-flow are needed, needing the type of air-flow is cold airflow or thermal current, it is preferred that upper
Machine is PC (PC)；
The control module 5 of temp-sensing device receives the temperature instruction, and controls the discharge of gas outlet 41 and need air-flow type
Consistent and Current Temperatures meet the air-flow of target temperature range；
Host computer 9 is communicated to connect by slave computer 53 and temp-sensing device；Optionally, the connection of host computer 9 and slave computer 53
It can be carried out data transmission by USB interface, bluetooth, WiFi connection；
Slave computer 9 and semiconductor chilling plate 22, PTC heater 12, the first temperature sensor 51, second temperature sensor 52
Pass through conducting wire with, exhaust fan 42 and water pump 25 to connect.
The temprature control method of embodiment medium temperature sensing system:
S1 host computer 9 receives the warming demand of scenario triggered, and sends temperature instruction to temp-sensing device, wraps in temperature instruction
The target temperature range for including the type and air-flow that need air-flow, needing the type of air-flow is cold airflow or thermal current；Scenario triggered
Warming demand may be cold or hot one of which, or require cold and hot two kinds of temperature simultaneously.
S2 control module 5 receives temperature instruction, and combines the temperature and target of pid control algorithm real-time monitoring gas outlet 41
Temperature range is discharged and Current Temperatures consistent with air-flow type is needed using PWM control gas outlet 41 and meets target temperature range
Air-flow.Using pid control algorithm, the error of the gas flow temperature of temp-sensing device generation can reduce.Because when detecting temperature
It reaches in target temperature range, just disconnects PTC calandria or semiconductor chilling plate, the intracavitary temperature of heat can also rise, cold intracavitary
Temperature also declining, overshoot may occur for temperature.Warming system is by by the temperature value and target temperature of real-time measurement
The comparison of range, look-ahead temperature change rationally control PTC heater and semiconductor chilling plate using pid control algorithm
The current switching time.
Further, S2 includes:
S21 slave computer 53 obtains the temperature instruction, and extraction needs air-flow type and target temperature range.
If desired air-flow type is thermal current to S211, and slave computer 53 obtains the first temperature of the first temperature sensor 51 measurement
Value is compared with target temperature range, while real-time first temperature value of slave computer 53 is sent to display device 81, shows current hot chamber
Gas flow temperature in 11.
If the first temperature value is located in target temperature range, slave computer 53 controls the rotation of the exhaust fan 42 in hot chamber 11,
Under the driving of air-flow, the insulation board 441 in hot chamber 11 is rotated, and Current Temperatures consistent with air-flow type is needed are discharged in gas outlet 41
Meet the air-flow of target temperature range；The working condition of PTC heater 12 is sent to instruction dress in real time by slave computer 53 simultaneously
Set 82, LED light is that yellow indicates that hot chamber 11 be in keeping warm mode, and in the present embodiment, instruction device 82 is two LED light, is distinguished
The working condition of real-time display cold chamber 21 and hot chamber 11.
If the first temperature value, not in target temperature range, slave computer 53 combines pid algorithm, relay is controlled by PWM
On-off so that control PTC heater 12 electric current the hot chamber 11 of on-off valve regulation in temperature, non-return piece mechanism 44 is at this time
It is closed the state of heat preservation, the insulation board 441 in hot chamber 11 is closed in the effect of spring torsional spring 442 and inside casing, while slave computer 53
The working condition of PTC heater 12 is sent to instruction device 82, LED light is red, indicates that hot chamber 11 belongs to heated condition, directly
It is fallen into target temperature range to the first temperature, LED light becomes yellow from red, indicates that hot chamber 11 is in keeping warm mode.It is the next
Machine 53 controls the rotation of the exhaust fan 42 in hot chamber 11, and under the driving of air-flow, the insulation board 441 in hot chamber 11 is rotated, gas outlet
41 discharge and Current Temperatures consistent with air-flow type is needed meet the air-flow of target temperature range.
If desired air-flow type is cold airflow to S212, and slave computer 53 obtains the second temperature that second temperature sensor 52 measures
Value is compared with target temperature range；
If second temperature value is located in target temperature range, slave computer 53 controls cold intracavitary exhaust fan 42 and rotates, in gas
Under the driving of stream, the insulation board 441 in cold chamber 21 is rotated, and the discharge of gas outlet 41 is consistent with air-flow type is needed and Current Temperatures accord with
Close the air-flow of target temperature range；The working condition of semiconductor chilling plate 22 is sent to instruction dress in real time by slave computer 53 simultaneously
82 are set, LED light is that yellow indicates that cold chamber 11 is in keeping warm mode.
If second temperature value, not in target temperature range, slave computer 53 combines pid algorithm, relay is controlled by PWM
On-off so that control the on-off of electric current of semiconductor chilling plate 22 and adjust the temperature in cold chamber 21, non-return piece mechanism 44 at this time
Insulation board 441 in the state for being closed heat preservation, cold chamber 21 is closed in the effect of spring torsional spring 442 and inside casing, while the next
The working condition of semiconductor chilling plate 22 is sent to instruction device 82 by machine 53, and LED light is red, indicates that cold chamber 21 belongs to refrigeration
State, until second temperature is fallen into the target temperature range, LED light becomes yellow from red, indicates that cold chamber 21 is in and protects
Temperature state.Slave computer 53 is controlled the exhaust fan 42 in refrigerating chamber 21 and is rotated, the insulation board 441 under the driving of air-flow, in cold chamber 21
The air-flow that and Current Temperatures consistent with air-flow type is needed meet target temperature range is discharged in rotation, gas outlet 41.
S22 slave computer 53 by PWM control semiconductor chilling plate 22, PTC calandria 12, exhaust fan 42 electric current it is logical
It is disconnected, an automatic negative feedback control loop is formed, the discharge of gas outlet 41 is kept by pid control algorithm and needs air-flow type one
Cause and Current Temperatures meet the air-flow of target temperature range.
Wherein PWM is a kind of low and high level issued by slave computer.When slave computer output is high level, relay is controlled
Output switch connection, i.e. PTC calandria or semiconductor chilling plate connect；When slave computer output is low level, relay is controlled
The output of device, which switchs, to be disconnected, i.e., PTC calandria or semiconductor chilling plate stop working.Slave computer is single-chip microcontroller.Warming system is
The energization of PTC calandria is controlled by relay by PWM and power-off controls temperature.
The embodiment of the present invention can be applied to the touch temperature induction of virtual reality or augmented reality, by using exploitation
Communication module can connect Unity3d virtual development engine, carry out communications, and then control the operation of whole device, or
Person is for adjusting the temperature in small range space in actual life.For example, can be applied in VR or AR environment, realize to flame or
The enhancing of the temperature tactile of snowflake, can allow people really to experience rising or falling for temperature；It is virtual to can be used for middle school
It is virtual to the warming for chemically reacting cold and hot variation in experiment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of temp-sensing device characterized by comprising
Heating module, including hot chamber and the PTC heater intracavitary set on the heat, the PTC heater is vertically solid by fixture block
Due on the hot cavity wall；
Refrigeration module, including cold chamber and set on the cold intracavitary semiconductor chilling plate, described in the semiconductor chilling plate insertion
In the cavity wall of cold chamber, towards described cold intracavitary, the heat of the semiconductor chilling plate faces institute for the huyashi-chuuka (cold chinese-style noodles) of the semiconductor chilling plate
It states outside cold chamber, the cold chamber and the hot chamber are independent two cavitys, and the cold chamber and the hot chamber are arranged side by side；
Air intake assembly, the air inlet including being respectively arranged on the hot bottom of chamber seat and the cold bottom of chamber seat；
Pneumatic module out, including be respectively arranged on the hot top of chamber and the cold top of chamber gas outlet and be set to the gas outlet and
Exhaust fan between the air inlet, the face of blade of the exhaust fan is towards the gas outlet；
Control module controls the temp-sensing device according to the temperature instruction received and works.
2. temp-sensing device as described in claim 1, which is characterized in that the PTC heater single side is equipped with cooling fin or two-sided sets
There is cooling fin.
3. temp-sensing device as described in claim 1, which is characterized in that the huyashi-chuuka (cold chinese-style noodles) of the semiconductor chilling plate connects cooling fin, institute
State the hot face connection water-cooled cooling component of semiconductor chilling plate.
4. temp-sensing device as described in claim 1, which is characterized in that the semiconductor chilling plate is the double-deck cooling piece, described double
Layer cooling piece is that the huyashi-chuuka (cold chinese-style noodles) of a piece of semiconductor chilling plate be bonded with the hot face of another chip semiconductor cooling piece.
5. temp-sensing device as described in claim 1, which is characterized in that the air intake assembly further include for reduce the hot chamber into
The first baffle in gas channel and the second plate washer for reducing the cold chamber inlet channel, the first baffle and the second plate washer
The coboundary that position is higher than the air inlet is set.
6. temp-sensing device as described in claim 1, which is characterized in that the pneumatic module out further includes the non-return piece machine for heat preservation
Structure, including insulation board, spring torsional spring and inside casing, the insulation board are set to below exhaust fan, and the insulation board wherein leads on one side
It crosses the spring torsional spring and cavity wall is connected to form rotary shaft, the inside casing is the setting of horizontal circle cavity wall for limiting the guarantor
The frame of warm Board position, the inside casing and the insulation board are close to the inside casing is set to the lower section of the insulation board, when intracavitary nothing
When air-flow, the insulation board and the inside casing are closed, and when there is air stream drives, the insulation board is rotated around the shaft.
7. the temp-sensing device any one of as described in claim 1-6, which is characterized in that the control module includes being set to the hot chamber
Interior the first temperature sensor, set on the cold intracavitary second temperature sensor, be mounted on outside the hot chamber or the cold chamber
Slave computer on wall, first temperature sensor for obtaining the intracavitary gas flow temperature of the heat, the second temperature in real time
Sensor for obtaining the cold intracavitary gas flow temperature in real time, and the host computer is for controlling the PTC heater, described half
The electric current of conductor cooling piece and the exhaust fan.
8. a kind of warming system, including host computer and temp-sensing device as claimed in claim 7；
The host computer receives the warming demand of scenario triggered and issues temperature instruction, the temperature instruction to the temp-sensing device
In include need air-flow type and the air-flow target temperature range, the type for needing air-flow be cold airflow or hot gas
Stream；
The control module receives the temperature instruction, and controls gas outlet and and Current Temperatures consistent with air-flow type is needed are discharged
Meet the air-flow of target temperature range；
The host computer is communicated to connect by slave computer and the temp-sensing device；
The slave computer and the semiconductor chilling plate, the PTC heater, first temperature sensor, second temperature
Spend sensor and exhaust fan communication connection.
9. a kind of temprature control method, which is characterized in that be used for warming system as claimed in claim 8, which comprises
Host computer described in S1 receives the warming demand of scenario triggered, and sends temperature instruction, the temperature to the temp-sensing device
In instruction include need air-flow type and the air-flow target temperature range, the type for needing air-flow be cold airflow or
Thermal current；
Control module described in S2 receives the temperature instruction, and combines the temperature and mesh of pid control algorithm real-time monitoring gas outlet
Temperature range is marked, the gas outlet discharge and Current Temperatures consistent with air-flow type is needed is controlled using PWM and meets target temperature
The air-flow of range.
10. temprature control method as claimed in claim 9, which is characterized in that the S2 includes:
Slave computer described in S21 obtains the temperature instruction, and extraction is described to need air-flow type and the target temperature range；
Need air-flow type for thermal current if S211 is described, slave computer obtains the first temperature of first temperature sensor measurement
Value is compared with the target temperature range；
If first temperature value is located in the target temperature range, the intracavitary exhaust fan rotation of the slave computer control heat,
Under the driving of air-flow, the intracavitary insulation board rotation of heat, gas outlet is discharged and Current Temperatures consistent with air-flow type is needed and meets
The air-flow of target temperature range；
If first temperature value, not in the target temperature range, the passed through PWM of slave computer controls the PTC fever
The on-off of body electric current adjusts the intracavitary temperature of the heat, and non-return piece mechanism is in the state of closure heat preservation, hot chamber at this time
Interior insulation board is closed in the effect of spring torsional spring and inside casing, until first temperature is fallen into the target temperature range,
The intracavitary exhaust fan rotation of the PC control heat, under the driving of air-flow, the intracavitary insulation board rotation of heat, gas outlet discharge
And Current Temperatures consistent with air-flow type is needed meet the air-flow of target temperature range；
Need air-flow type for cold airflow if S212 is described, slave computer obtains the second temperature of the second temperature sensor measurement
Value is compared with the target temperature range；
If the second temperature value is located in the target temperature range, the slave computer controls cold intracavitary exhaust fan rotation,
Under the driving of air-flow, cold intracavitary insulation board rotation, gas outlet is discharged and Current Temperatures consistent with air-flow type is needed and meets
The air-flow of target temperature range；
If the second temperature value, not in the target temperature range, the slave computer controls the cooling piece electricity by PWM
The on-off of stream adjusts the cold intracavitary temperature, and non-return piece mechanism is in the state of closure heat preservation at this time, cold intracavitary
Insulation board is closed in the effect of spring torsional spring and inside casing, described until the second temperature is fallen into the target temperature range
The cold intracavitary exhaust fan rotation of slave computer control, under the driving of air-flow, cold intracavitary insulation board rotation, gas outlet is discharged and needs
Air-flow type is consistent and Current Temperatures meet the air-flow of target temperature range；
Slave computer described in S22 controls the electric current of the semiconductor chilling plate, the PTC calandria, the exhaust fan by PWM
On-off forms an automatic negative feedback control loop, keeps gas outlet discharge by pid control algorithm and needs air-flow type one
Cause and Current Temperatures meet the air-flow of target temperature range.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811089600.4A CN109240369A (en) | 2018-09-18 | 2018-09-18 | A kind of temp-sensing device, system and its temprature control method |
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| CN201811089600.4A CN109240369A (en) | 2018-09-18 | 2018-09-18 | A kind of temp-sensing device, system and its temprature control method |
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| WO2023173591A1 (en) * | 2022-03-18 | 2023-09-21 | 宁波西健医疗技术研究有限公司 | Perfusion liquid heater and control method therefor |
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Application publication date: 20190118 |