CN109682499A - Temperature measurement calibrating installation constant temperature electric probe device and constant-temperature control method - Google Patents
Temperature measurement calibrating installation constant temperature electric probe device and constant-temperature control method Download PDFInfo
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- CN109682499A CN109682499A CN201811642519.4A CN201811642519A CN109682499A CN 109682499 A CN109682499 A CN 109682499A CN 201811642519 A CN201811642519 A CN 201811642519A CN 109682499 A CN109682499 A CN 109682499A
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- 238000009434 installation Methods 0.000 title claims abstract description 56
- 239000000523 sample Substances 0.000 title claims abstract description 48
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 34
- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 11
- 238000003491 array Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 8
- 230000033228 biological regulation Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/007—Testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/002—Calibrated temperature sources, temperature standards therefor
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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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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a kind of temperature measurement calibrating installation constant temperature electric probe device and constant-temperature control methods, it includes average temperature case, box temperature control circuit board, temperature-control senser I, the average temperature case includes shell, electric calorifie installation, partition, average temperature case is divided into heat dissipation cavity and temperature control chamber by partition, circulating current channel is provided between heat dissipation cavity and temperature control chamber, electric calorifie installation and box temperature control circuit board electrical connection, electric calorifie installation includes electric heater and heat sink, heat sink is arranged in heat dissipation cavity, to be heated to heat dissipation cavity, temperature-control senser I, box temperature control circuit board is arranged at temperature control chamber, temperature-control senser I and box temperature control circuit board electrical connection, to measure the intracavitary portion's temperature of temperature control, box temperature control circuit board is connect with electric calorifie installation, simplify topology layout composition, reduce cost, have a wide range of application, guarantee that Electrical Measuring Instrument main component is most Reach stable operation environment in time that may be short, and keep stable, efficiently solves the temperature drift problems of Electrical Measuring Instrument, improve the measurement accuracy and working efficiency of equipment.
Description
Technical field
The present invention relates to temperature measurement equipment technical field, the metrology devices of specially a kind of controllable constant-temperature environment examine and determine dress
It sets with constant temperature electric probe device.
Background technique
In industrial processes, temperature is to need one of measurement and the important parameter controlled.It is measuring as temperature
Temperature measurement device, it is necessary to which periodic verification is carried out by verification system.
Traditional temperature measurement device verification system structure includes Electrical Measuring Instrument, scanning switch, constant temperature source composition, thermometer
Amount system is needed when carrying out temperature transmission of quantity value using various temperature sources, these temperature sources be used to for standard and by
The comparing for examining sensor provides isoperibol.Since there is temperatures coefficient, the i.e. variation of environment temperature for Electrical Measuring Instrument
It will affect the accuracy of transmission of quantity value, therefore, the device that Electrical Measuring Instrument etc. is influenced vulnerable to temperature need to be placed on perseverance by when work
Greenhouse commonly controls room temperature at 20 ~ 24 DEG C.Constant temperature source is placed to room temperature room because thermal energy can be distributed, in this way can band
Carrying out an obvious problem is exactly to be routed very troublesome, need to extend the lead of sensor, be then attached to indoor electricity
The scanning switch of instrument is surveyed, longer lead is readily incorporated various interference and increases the uncertainty in magnitude transmittance process point
Amount；
The equipment that Electrical Measuring Instrument refers generally to temperature measurer or electrometrics parameter (ohm, voltage etc.), Electrical Measuring Instrument belong to high-accuracy instrument
Device, it is more demanding to operating ambient temperature, when working environment, which generates, fluctuates larger, i.e., it can generate temperature drift, an electrical measurement
Instrument is made of multiple electric appliance original parts, and whole temperature coefficient can reach 50ppm or more, if environmental temperature fluctuation 10 is Celsius
Degree, temperature drift have exceeded instrument precision requirement, then measure data precision will receive extreme influence, therefore guarantee electrical measurement
The constant temperature working environment of instrument, be very it is necessary to；
And thermostatic chamber is typically all the thermostatic control that room temperature is realized by air-conditioning, to save the energy, thermostatic chamber is not whole day
Constant temperature is opened, and before work starts daily, there is a temperature constant preceding time, even thermostatic chamber reaches temperature constant state, electricity
The temperature for surveying instrument internal after instrument starting, which is also required to the regular hour, can just settle out, at least half an hour this preheating time
More than, accuracy and working efficiency to entire verification system generate extreme influence.
Summary of the invention
The technical problems to be solved by the invention are directed to the deficiency for above having technology, provide a kind of temperature measurement calibrating installation use
Electrical measurement thermostat simplifies topology layout composition, reduces cost, have a wide range of application, guarantees Electrical Measuring Instrument main component as far as possible
Reach stable operation environment in the short time, and keep stable, efficiently solve the temperature drift problems of Electrical Measuring Instrument, improves
The measurement accuracy and working efficiency of equipment.
To achieve the above object of the invention, the technical solution adopted by the present invention is that: technical solution is:
A kind of temperature measurement calibrating installation electrical measurement thermostat, it includes average temperature case, box temperature control circuit board, temperature-control senser
I, the average temperature case includes shell, electric calorifie installation, partition, and average temperature case is divided into heat dissipation cavity and temperature control chamber by partition, heat dissipation cavity and
Circulating current channel is provided between temperature control chamber, electric calorifie installation and box temperature control circuit board electrical connection, and electric calorifie installation includes electricity
Hot device and heat sink, heat sink is arranged in heat dissipation cavity, to be heated to heat dissipation cavity, temperature-control senser I, box temperature control circuit board
It is arranged at temperature control chamber, temperature-control senser I and box temperature control circuit board electrical connection, to measure the intracavitary portion's temperature of temperature control, box temperature
Control circuit board is connect with electric calorifie installation, controls its working condition.
The box temperature control circuit board includes single-chip microcontroller, analog-digital converter, output relay I, analog-digital converter and control
Temperature sensor I connects, and single-chip microcontroller is transferred to after signal is converted, and single-chip microcontroller is connect by output relay I with electric calorifie installation, this
The effect of device is the operating ambient temperature for controlling electrical measurement control circuit board.
The single-chip microcontroller, established standards temperature are compared with collected box temperature, PID calculate after, by output after
Electric appliance I is connect with electric calorifie installation, and control electric calorifie installation work carries out temperature regulation, and the single-chip microcontroller uses LPC1768 or tool
There is the Conventional monolithic machine of same function.
It further include electrical measurement control circuit board, electrical measurement control circuit board is the main component of Electrical Measuring Instrument, with calibrating sensor
Or temperature-control senser II connects, to acquire, record, show that the parameter of the metrology devices such as calibrating sensor can to save space
Electrical measurement control circuit board and box temperature control circuit board are integrated together, fan and electrical measurement control circuit board or box temperature control electricity
The electrical connection of road plate.
The fan is normally open, and device one is switched on, and fan is then in company with starting.
Further, the partition is square plate, and forward and backward and left margin is connect with average temperature case side wall, the remaining right side
Edge and average temperature case side wall are provided with gap, and the heat dissipation cavity and lower end temperature control of fan connection upper end are provided at the left margin of partition
Chamber, fan and gap constitute the circulating current channel between heat dissipation cavity and temperature control chamber, and fan rotation drives upper and lower cavity air-flow to follow
Ring.
The electric calorifie installation includes electric heater and heat sink, and electric heater selects conventional plate heater, such as market
The ceramic heating flake of upper model XH-RJ505020, it is only necessary to by box temperature control at 60 degrees Celsius or less, electric heater with it is defeated
Relay I connects out, and electric heater and heat sink connect, and heats to heat sink, and the power supply needs of electric heater are supplied separately to.
Further, the radiating surface of heat sink is towards heat dissipation cavity, and the radiating surface of heat sink is evenly equipped with cultivation nail, with radiating surface phase
Pair one side and electric heater connect, heat sink can directly select a certain panel of samming box enclosure.
A kind of constant-temperature control method of temperature measurement calibrating installation electric probe device, by the indoor control of traditional electric probe device
Warm mode is changed into the intracorporal operating temperature control mode of electric probe device shell, method are as follows: supervise in real time by box temperature control circuit board
Operating ambient temperature in electric probe device shell is surveyed, is carried out by the constant temperature reference value of real time temperature and the setting of box temperature control circuit board
It compares, controls electric heater working condition, to progress operating ambient temperature regulation in shell.
Further, the constant temperature reference value in average temperature case is controllable, is adjusted according to the environment temperature of practical application, former
It to be more than room temperature on then, i.e., in the operation of constant temperature is constituted, it is only necessary to which heating operation, ordinary circumstance are carried out to average temperature case
Under, it is arranged at 40 ± 2 DEG C, by the operating ambient temperature of electrical measurement control circuit board in I real-time monitoring average temperature case of temperature-control senser,
And box temperature control circuit board is transmitted a signal to, the work of control electric calorifie installation or stopping.It is set in 40 DEG C and has the beneficial effect that height
In room temperature, so that electric probe device is applied widely, it is only necessary to which heating operation, without the operation that cools down, which is easily achieved, energy
It consumes low；It is different from room temperature, and is higher by room temperature, can also reduce influence of the normal temperature environment fluctuation to electric probe device inner cavity operating temperature.
A kind of verification system for surveying temperature regulating device using above-mentioned temperature measurement calibrating installation electricity consumption, including constant temperature electrical measurement dress
It sets, constant temperature source, standard transducer, temperature-control senser II, tested sensor, constant temperature source is box with calibrating sensor socket
Insulating box, is detected sensor and standard transducer insertion constant temperature source socket carries out temperature data acquisition, with constant temperature electric probe device
Connection, constant temperature electric probe device are fixed at constant temperature source side, electrical measurement control circuit board and temperature control in constant temperature electric probe device
Circuit board processed is integrated on a block circuit board, and electrical measurement control circuit board is provided with switch arrays and tested sensor, standard pass
Sensor, temperature-control senser II connect, and analog-digital converter is connect with temperature-control senser I and switch arrays respectively, single-chip microcontroller and modulus
Converter is connected with switch arrays, and single-chip microcontroller is connect by output relay I with electric calorifie installation, and single-chip microcontroller passes through output relay
II connect with constant temperature source.
Further, output relay II is connect with the electrothermal mechanism of constant temperature source, and the temperature to control constant temperature source regulates and controls.
The device examines and determine tested sensor by standard transducer, detects samming box cavity work by temperature-control senser I
Make temperature, the temperature of constant temperature source is monitored by temperature-control senser II, is adopted by electric side control circuit board or box temperature control circuit board
Collection signal is simultaneously compared with setting reference temperature value, and when operating temperature reaches setting value in average temperature case, electric calorifie installation stops
Work, when samming box cavity temperature is lower than setting value, electric calorifie installation works to heat up to average temperature case, so that the samming of electric probe device
Case working temperature constant ensures that electric probe device operating ambient temperature in average temperature case is constant in a small range.
The invention has the benefit that
1. structure is simple, occupy little space, reduces the cost of adjustment and installation and after-sales service.
2. lead is shorter, do not need to reduce lead bring measurement error using extended line.
3. greatly expanding the use occasion of such metrical instrument, traditional fixation thermostatic chamber temperature control is changed into instrument
Itself temperature control can only use, it now is possible to make in arbitrary workshop, the environment of plant in thermostatic chamber or laboratory environment in the past
With, and different constant temperature sources can be matched.
4. making the measurement data of temperature measuring equipment more accurate, the operating temperature of electric probe device remains at a certain specific
In range, the temperature drift problems of electric probe device are efficiently solved.
Detailed description of the invention
Fig. 1 is constant temperature electric probe device structural schematic diagram of the present invention；
Fig. 2 is constant temperature electric probe device functional block diagram of the present invention；
Fig. 3 is the verification system functional block diagram using the constant temperature electric probe device.
1. average temperature case, 2. box temperature control circuit boards, 4. partitions, 5. heat dissipation cavities, 6. temperature control chambers, 8. electric calorifie installations, 9. fans,
10. planting nail.
Specific embodiment
A kind of temperature measurement calibrating installation electrical measurement thermostat as shown in drawings, it includes average temperature case 1, box temperature control
Circuit board 2, temperature-control senser I, the average temperature case 1 include shell, electric calorifie installation 8, partition 4, and partition 4, which divides average temperature case 1, is
Heat dissipation cavity 5 and temperature control chamber 6, are provided with circulating current channel between heat dissipation cavity 5 and temperature control chamber 6, electric calorifie installation 8 and box temperature control
Circuit board 2 is electrically connected, and electric calorifie installation 8 includes electric heater and heat sink, and heat sink is arranged in heat dissipation cavity 5, to give heat dissipation cavity 5
Heating, temperature-control senser I, box temperature control circuit board 2 are arranged at temperature control chamber 6, temperature-control senser I and box temperature control circuit board 2
Electrical connection, to measure the intracavitary portion's temperature of temperature control, box temperature control circuit board 2 is connect with electric calorifie installation, controls its working condition.
The box temperature control circuit board 2 includes single-chip microcontroller, analog-digital converter, output relay I, analog-digital converter and control
Temperature sensor I connects, and single-chip microcontroller is transferred to after signal is converted, and single-chip microcontroller is connect by output relay I with electric calorifie installation, this
The effect of device is the operating ambient temperature for controlling electrical measurement control circuit board.
The single-chip microcontroller, established standards temperature are compared with collected box temperature, pass through PID, output relay I
It is connect with electric device, control electric calorifie installation work, carries out temperature regulation, the single-chip microcontroller is using LPC1768 or has same
Etc. functions Conventional monolithic machine.
It further include electrical measurement control circuit board, electrical measurement control circuit board is the main component of Electrical Measuring Instrument, with calibrating sensor
Or temperature-control senser II connects, to acquire, record, show that the parameter of the metrology devices such as calibrating sensor can to save space
Electrical measurement control circuit board and box temperature control circuit board are integrated together, fan and electrical measurement control circuit board or box temperature control electricity
The electrical connection of road plate.
The fan 9 is normally open, and device one is switched on, and fan 9 is then in company with starting.
Further, the partition 4 is square plate, and forward and backward and left margin is connect with 1 side wall of average temperature case, remaining
The right is provided with fan 9 and is connected to the heat dissipation cavity of upper end under along gap is provided with 1 side wall of average temperature case at the left margin of partition 4
Temperature control chamber is held, fan 9 and gap constitute the circulating current channel between heat dissipation cavity 5 and temperature control chamber 6, and the rotation of fan 9 drives
Cavity of resorption airflow circulating.
The electric calorifie installation 8 includes electric heater and heat sink, and electric heater selects conventional plate heater, such as market
The ceramic heating flake of upper model XH-RJ505020, it is only necessary to by box temperature control at 50 degrees Celsius or less, electric heater with it is defeated
Relay I connects out, and electric heater and heat sink connect, and heats to heat sink, and the power supply needs of electric heater are supplied separately to.
Further, the radiating surface of heat sink is towards heat dissipation cavity, and the radiating surface of heat sink is evenly equipped with cultivation nail 10, with radiating surface
Opposite one side is connected with electric heater, and heat sink can directly select a certain panel of samming box enclosure.
A kind of constant-temperature control method of temperature measurement calibrating installation electric probe device, by the indoor control of traditional electric probe device
Warm mode is changed into the intracorporal operating temperature control mode of electric probe device shell, method are as follows: supervise in real time by box temperature control circuit board
Operating ambient temperature in electric probe device shell is surveyed, is carried out by the constant temperature reference value of real time temperature and the setting of box temperature control circuit board
It compares, controls electric heater working condition, to progress operating ambient temperature regulation in shell.
Further, the constant temperature reference value in average temperature case is controllable, to be more than in principle room temperature, i.e., in the operation structure of constant temperature
Cheng Zhong, it is only necessary to heating operation be carried out to average temperature case, under normal circumstances, be arranged at 40 ± 2 DEG C, pass through temperature-control senser I
The operating ambient temperature of electrical measurement control circuit board in real-time monitoring average temperature case, and box temperature control circuit board is transmitted a signal to, it controls
Electric calorifie installation work processed stops.It is set in 40 DEG C to have the beneficial effect that higher than room temperature, so that the scope of application of electric probe device
Extensively, it is only necessary to which heating operation, without the operation that cools down, which is easily achieved, and low energy consumption；It is different from room temperature, and is higher by room temperature, also
Influence of the normal temperature environment fluctuation to electric probe device inner cavity operating temperature can be reduced.
A kind of verification system for surveying temperature regulating device using above-mentioned temperature measurement calibrating installation electricity consumption, including constant temperature electrical measurement dress
It sets, constant temperature source, standard transducer, temperature-control senser II, tested sensor, constant temperature source is box with calibrating sensor socket
Insulating box, is detected sensor and standard transducer insertion constant temperature source socket carries out temperature data acquisition, with constant temperature electric probe device
Connection, constant temperature electric probe device are fixed at constant temperature source side, electrical measurement control circuit board and temperature control in constant temperature electric probe device
Circuit board processed is integrated on a block circuit board, and electrical measurement control circuit board is provided with switch arrays and tested sensor, standard pass
Sensor, temperature-control senser II connect, and analog-digital converter is connect with temperature-control senser I and switch arrays respectively, single-chip microcontroller and modulus
Converter is connected with switch arrays, and single-chip microcontroller is connect by output relay I with electric calorifie installation, and single-chip microcontroller passes through output relay
II connect with constant temperature source.
Further, output relay II is connect with the electrothermal mechanism of constant temperature source, and the temperature to control constant temperature source regulates and controls.
The device examines and determine tested sensor by standard transducer, detects samming box cavity work by temperature-control senser I
Make temperature, the temperature of constant temperature source is monitored by temperature-control senser II, is adopted by electric side control circuit board or box temperature control circuit board
Collection signal is simultaneously compared with setting reference temperature value, and when operating temperature reaches setting value in average temperature case, electric calorifie installation stops
Work, when samming box cavity temperature is lower than setting value, electric calorifie installation works to heat up to average temperature case, so that the samming of electric probe device
Case working temperature constant ensures that electric probe device operating ambient temperature in average temperature case is constant in a small range.
The above is only a preferred embodiment of the present invention, it is noted that for the those of ordinary skill of technical field
For, without departing from the principle of the present invention, several improvement can also be made, these improvement are not making the creative labor
Under the premise of also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of temperature measurement calibrating installation constant temperature electric probe device, characterized in that it includes average temperature case, box temperature control circuit
Plate, temperature-control senser I, the average temperature case include shell, electric calorifie installation, partition, and average temperature case is divided into heat dissipation cavity and control by partition
Warm chamber, is provided with circulating current channel between heat dissipation cavity and temperature control chamber, electric calorifie installation and box temperature control circuit board electrical connection, electricity
Thermal includes electric heater and heat sink, and heat sink is arranged in heat dissipation cavity, to be heated to heat dissipation cavity, temperature-control senser I, case
Temperature control circuit plate is arranged at temperature control chamber, and temperature-control senser I and box temperature control circuit board electrical connection, intracavitary to measure temperature control
Portion's temperature, box temperature control circuit board are connect with electric calorifie installation.
2. temperature measurement calibrating installation constant temperature electric probe device according to claim 1, characterized in that the temperature control
Circuit board processed includes single-chip microcontroller, analog-digital converter, output relay I, and analog-digital converter is connect with temperature-control senser I, by signal
Single-chip microcontroller is transferred to after conversion, single-chip microcontroller is connect by output relay I with electric calorifie installation, and the effect of the present apparatus is to control electricity
Survey the operating ambient temperature of control circuit board.
3. temperature measurement calibrating installation constant temperature electric probe device according to claim 2, characterized in that the monolithic
Machine, established standards temperature are compared with collected box temperature, are connect by PID, output relay I with electric device, control
Electric calorifie installation work, carries out temperature regulation, and the single-chip microcontroller uses LPC1768 or the Conventional monolithic machine with same function.
4. temperature measurement calibrating installation constant temperature electric probe device according to claim 1, characterized in that further include electrical measurement control
Circuit board processed, electrical measurement control circuit board are the main component of Electrical Measuring Instrument, connect, use with calibrating sensor or temperature-control senser II
With the parameter of the metrology devices such as acquisition, record, display calibrating sensor, fan and electrical measurement control circuit board or box temperature control electricity
The electrical connection of road plate.
5. temperature measurement calibrating installation constant temperature electric probe device according to claim 1, characterized in that the partition is
Square plate, forward and backward and left margin are connect with average temperature case side wall, and remaining the right edge is provided with gap with average temperature case side wall, every
The heat dissipation cavity and lower end temperature control chamber of fan connection upper end are provided at the left margin of plate, fan and gap constitute heat dissipation cavity and temperature control
Circulating current channel between chamber.
6. temperature measurement calibrating installation constant temperature electric probe device according to claim 1, characterized in that the electric heating dress
It sets including electric heater and heat sink, electric heater selects conventional plate heater, and electric heater is connect with output relay I, electric heating
Device and heat sink connect, and heat to heat sink.
7. temperature measurement calibrating installation constant temperature electric probe device according to claim 6, characterized in that the heat dissipation of heat sink
Facing towards heat dissipation cavity, the radiating surface of heat sink is evenly equipped with cultivation nail, and the one side opposite with radiating surface is connected with electric heater.
8. a kind of constant-temperature control method of temperature measurement calibrating installation electric probe device, characterized in that by traditional electric probe device
Indoor temperature control mode, be changed into the intracorporal operating temperature control mode of electric probe device shell, it is real-time by box temperature control circuit board
Monitor electric probe device shell in operating ambient temperature, by real time temperature and box temperature control circuit board setting constant temperature reference value into
Row compares, and controls electric heater working condition, to progress operating ambient temperature regulation in shell.
9. the constant-temperature control method of temperature measurement calibrating installation electric probe device according to claim 8, characterized in that
Constant temperature reference value in incubator is controllable, is adjusted according to the environment temperature of practical application, to be more than in principle room temperature, that is, exist
During the operation of constant temperature is constituted, it is only necessary to carry out heating operation to average temperature case, under normal circumstances, constant temperature reference value is arranged 40
± 2 DEG C, by the operating ambient temperature of electrical measurement control circuit board in I real-time monitoring average temperature case of temperature-control senser, and signal is passed
It is defeated by box temperature control circuit board, the work of control electric calorifie installation or stopping.
10. a kind of temperature measurement calibrating installation electricity consumption observing and controlling using the arbitrarily described constant temperature electric probe device of the claims 1-6
The verification system of warm device, characterized in that including constant temperature electric probe device, constant temperature source, standard transducer, temperature-control senser II, quilt
Sensor is examined, constant temperature source is the box insulating box with calibrating sensor socket, is detected sensor and standard transducer insertion is permanent
Warm source socket carries out temperature data acquisition, connect with constant temperature electric probe device, constant temperature electric probe device is fixed at constant temperature source one
Side, electrical measurement control circuit board and box temperature control circuit board in constant temperature electric probe device are integrated on a block circuit board, electrical measurement control
Circuit board processed is provided with switch arrays and connect with tested sensor, standard transducer, temperature-control senser II, analog-digital converter difference
Connect with temperature-control senser I and switch arrays, single-chip microcontroller is connect with analog-digital converter and switch arrays, single-chip microcontroller by output after
Electric appliance I is connect with electric calorifie installation, and single-chip microcontroller is connect by output relay II with constant temperature source.
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| CN201811642519.4A CN109682499B (en) | 2018-12-29 | 2018-12-29 | Constant temperature electric measurement device for temperature measurement verification device and constant temperature control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110807167A (en) * | 2019-10-15 | 2020-02-18 | 中山大学 | Boundary processing method for effectively controlling temperature in natural convection cavity with partition plate |
| CN113029376A (en) * | 2021-01-27 | 2021-06-25 | 明峰医疗***股份有限公司 | Temperature acquisition processing system for CT detector and data acquisition processing method thereof |
| CN113473804A (en) * | 2021-07-01 | 2021-10-01 | 重庆工业职业技术学院 | Circuit board cooling system |
| CN114112117A (en) * | 2021-12-20 | 2022-03-01 | 江西洪都航空工业集团有限责任公司 | On-spot measurement calibrating device of temperature instrument |
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