CN207366088U - Multichannel temperature measuring device - Google Patents
Multichannel temperature measuring device Download PDFInfo
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- CN207366088U CN207366088U CN201721114265.XU CN201721114265U CN207366088U CN 207366088 U CN207366088 U CN 207366088U CN 201721114265 U CN201721114265 U CN 201721114265U CN 207366088 U CN207366088 U CN 207366088U
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Abstract
It the utility model is related to a kind of multichannel temperature measuring device, including multiple temperature sensors, multiple signal processors, analog-digital converter, memory and controller.The disclosure passes through the corresponding current signal of multiple temperature sensor collecting temperature data, received current signal is converted to voltage signal by multiple signal processors, analog-digital converter carries out analog-to-digital conversion to received each voltage signal and obtains corresponding each first digital signal, first memory receives and stores each first digital signal from analog-digital converter, second memory receives and stores each first digital signal from the first memory, controller, which receives, comes from each first digital signal of first memory, magnitude of voltage in each first digital signal is converted into temperature value, and export the second digital signal for including temperature value, thus, it is possible to efficiently measure and store multi way temperature data, so as to effectively improve the treatment effeciency to measured temperature data, it is user-friendly.
Description
Technical field
It the utility model is related to Industry Control and metering field, more particularly to a kind of multichannel temperature measuring device.
Background technology
Temperature measuring set is widely used among all types of industries production field as a kind of temperature measuring tool.Temperature
Degree measuring instrument is improving production efficiency, is saving the energy and the effect of guaranteeing safe production etc. is huge, has Important Economic status.
But in correlation technique, temperature measuring set measures relatively low to the treatment effeciency of temperature data.
Utility model content
Technical problem
In view of this, the technical problems to be solved in the utility model is how effectively to be lifted at the data of temperature measuring set
Efficiency is managed, is user-friendly.
Solution
In order to solve the above-mentioned technical problem, an embodiment according to the present utility model, there is provided a kind of multichannel temperature is surveyed
Device is measured, including：
Multiple temperature sensors, the temperature sensor are used for the corresponding current signal of collecting temperature data；
Multiple signal processors, each signal processor is corresponding with each temperature sensor to be connected, at the signal
Reason device is used to receive the current signal for carrying out the self-corresponding temperature sensor, and received current signal is converted to voltage letter
Number；
Analog-digital converter, is connected with each signal processor, for receiving each electricity from each signal processor
Signal is pressed, carrying out analog-to-digital conversion to received each voltage signal obtains corresponding each first digital signal；
First memory, is connected with the analog-digital converter, for receiving and storing from each of the analog-digital converter
First digital signal；
Second memory, is connected with the first memory, for receiving and storing from each of the first memory
First digital signal；
Controller, is connected respectively with the first memory and the second memory, for the first memory
Read-write control signal is sent respectively with the second memory, controls the first memory to be write to the second memory each
First digital signal, reads each first digital signal, by each first digital signal from the second memory
In magnitude of voltage be converted to temperature value, and export the second digital signal for including the temperature value.
For above-mentioned multichannel temperature measuring device, in a kind of possible implementation, further include：
Display, is connected with the controller, for receiving each second digital signal from the controller, and
Show the temperature value in each second digital signal.
For above-mentioned multichannel temperature measuring device, in a kind of possible implementation, serial communication interface is further included；
The serial communication interface is connected respectively with the controller and external equipment, for export the controller
Each second digital signal is sent to external equipment.
For above-mentioned multichannel temperature measuring device, in a kind of possible implementation, the serial communication interface is
RS-232 interface.
For above-mentioned multichannel temperature measuring device, in a kind of possible implementation, each temperature sensor
Outside is wrapped up using thermal grease layer, is encapsulated outside thermal grease layer using metal layer.
For above-mentioned multichannel temperature measuring device, in a kind of possible implementation, each temperature sensor
Outside is wrapped up using thermal grease layer, is encapsulated outside thermal grease layer using non-metallic layer, the non-metallic layer outer surface is also
It is provided with magnetic sheet.
For above-mentioned multichannel temperature measuring device, in a kind of possible implementation, the controller is 51 monolithics
Machine.
For above-mentioned multichannel temperature measuring device, in a kind of possible implementation, the display is using following
Any one display screen：LED display, OLED display screen and LCD display.
Beneficial effect
The disclosure will be received by the corresponding current signal of multiple temperature sensor collecting temperature data, multiple signal processors
To current signal be converted to voltage signal, analog-digital converter received each voltage signal is carried out analog-to-digital conversion obtain it is corresponding
Each first digital signal, first memory receive and store each first digital signal from analog-digital converter, second memory
Each first digital signal from the first memory is received and stored, it is each that controller reception comes from first memory
First digital signal, temperature value is converted to by the magnitude of voltage in each first digital signal, and exports the second number for including temperature value
Word signal, thus, it is possible to efficiently measure and store multi way temperature data, so as to effectively improve to measured temperature data
Treatment effeciency, is user-friendly.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the further feature and aspect of the utility model will
It is made apparent from.
Brief description of the drawings
Comprising in the description and the attached drawing of a part for constitution instruction and specification together illustrate this practicality newly
Exemplary embodiment, feature and the aspect of type, and for explaining the principle of the utility model.
Fig. 1 is a kind of structure diagram of multichannel temperature measuring device according to an exemplary embodiment.
Fig. 2 is a kind of structure diagram of the multichannel temperature measuring device shown according to another exemplary embodiment.
Fig. 3 be a kind of multichannel temperature measuring device according to an exemplary embodiment by serial communication interface with
The structure diagram of external equipment communication.
Embodiment
Describe the various exemplary embodiments, feature and aspect of the utility model in detail below with reference to attached drawing.In attached drawing
Identical reference numeral represents functionally the same or similar element.Although the various aspects of embodiment are shown in the drawings,
It is unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the utility model, given in embodiment below numerous specific
Details.It will be appreciated by those skilled in the art that without some details, the utility model can equally be implemented.In some realities
In example, it is not described in detail for method well known to those skilled in the art, means, element and circuit, in order to highlight this reality
With new purport.
Fig. 1 is a kind of structure diagram of multichannel temperature measuring device according to an exemplary embodiment.Wherein,
The multichannel temperature measuring device 100 is referred to as multichannel temperature measurement recorder.
As an example of the present embodiment, as shown in Figure 1, the multichannel temperature measuring device 100 mainly includes：It is multiple
Temperature sensor 101, multiple signal processors 102, analog-digital converter 103, first memory 104, second memory 204 and control
Device 105 processed.
Wherein, the temperature sensor 101 is used for the corresponding current signal of collecting temperature data.
Each signal processor 102 is corresponding with each temperature sensor 101 to be connected, and the signal processor 102 is used
Carry out the current signal of the self-corresponding temperature sensor 101 in reception, and received current signal is converted into voltage signal.
Analog-digital converter 103 is connected with each signal processor 102, and each signal processor is come from for receiving
102 each voltage signal, carries out analog-to-digital conversion to received each voltage signal and obtains corresponding each first digital signal.Wherein,
First digital signal includes the corresponding magnitude of voltage of the voltage signal.
First memory 104 is connected with the analog-digital converter 103, and the analog-digital converter is come from for receiving and storing
103 each first digital signal.
Second memory 204, is connected with the first memory 104, and the described first storage is come from for receiving and storing
Each first digital signal of device 104；
Controller 105, is connected respectively with the first memory 104 and the second memory 204, for described
One memory 104 and the second memory 204 send read-write control signal respectively, control the first memory 104 to institute
State second memory 204 and write each first digital signal, each first numeral letter is read from the second memory 204
Number, the magnitude of voltage in each first digital signal is converted into temperature value, and export the second numeral for including the temperature value
Signal.
In the present embodiment, each temperature sensor 101, which corresponds to, connects one temperature survey of composition of signal processor 102
Passage.The connection corresponding with multiple signal processors 102 of multiple temperature sensors 101, forms multiple temperature measuring channels.For every
A temperature measuring channel, sends to signal processor 102 after the corresponding current signal of 101 collecting temperature data of temperature sensor.
Received current signal is converted to voltage signal by signal processor 102, is then forwarded to analog-digital converter 103.Analog-digital converter
The voltage signal of 103 pairs of received each temperature measuring channels carries out analog-to-digital conversion and obtains corresponding each first digital signal.
Controller 105 can send Read-write Catrol letter respectively to the first memory 104 and the second memory 204
Number, to control the read-write of two memories.For example, when continuously being scanned to each temperature measuring channel, each 5 seconds to first
Memory 104 writes the corresponding data (the first digital signal) of a temperature measuring channel, in sequence by the number of each passage
According to write-in first memory 104.Further, controller 105 can control first memory 104 to second memory 204 1
Secondary property writes the corresponding data of whole temperature measuring channels.Then, controller 105 can also control second memory 204 to send
Signal is read, the corresponding data of each temperature measuring channel are disposably read from second memory 204.In controller 105 from second
During memory 204 reads data, controller 105 can also be sent to first memory 104 to be forbidden to second memory
The control signal of 204 write-in data, to ensure the integrality of read data.After reading, the control of controller 105 the
One memory 104 can continue to write data to second memory 204, to update the data in second memory 204.
First memory 104 and second memory 204 have two groups of mutually independent Read-write Catrol circuits.One group of read-write control
Circuit processed controls data to read in first memory 104 from analog-digital converter 103.Another group of Read-write Catrol circuit controls data from the
Two memories 204 read into controller 105.Two groups of Read-write Catrol circuits can perform parallel, complete the two-way of data and independently deposit
Take, so as to the work of high speed.
The read-write operation of two memories is controlled by controller 105, can be by the real-time record of measurement data and storage
Deng performing respectively, the stand-by period of temperature survey and storage is advantageously reduced, efficiently measures and stores multi way temperature data, from
And the treatment effeciency to measured temperature data is improved, it is user-friendly.
Wherein, the temperature sensor 101 can include thermistor temperature sensor 101.For example, the temperature sensing
Device 101 can be pt100 temperature sensors 101.
In a kind of possible implementation, the number of the temperature sensor 101 of the multichannel temperature measuring device 100
It can be multiple to measure, such as 6.
In a kind of possible implementation, temperature sensor 101 can be in same type of temperature sensor
Thermal rsistance sensors similar in the technical indicator filtered out.
In a kind of possible implementation, the outside of each temperature sensor 101 is wrapped up using thermal grease layer, is led
Encapsulated outside hot silicone grease layer using metal layer.Heat-conducting silicone grease and metal layer all have good thermal conductivity factor, therefore the encapsulation side
Formula both can play protective action to temperature sensor 101, in turn ensure that the accuracy of 101 thermometric of temperature sensor.
In alternatively possible implementation, the outside of each temperature sensor is wrapped up using thermal grease layer, is led
Encapsulated outside hot silicone grease layer using non-metallic layer such as nylon layer.The surface of the non-metallic layer is additionally provided with magnetic sheet.Temperature passes
Sensor 101 can be adsorbed in some metallic surfaces by magnetic sheet.In addition, copper sheet contacted with thermal grease layer etc. can be made
For temperature probe, expose (such as copper sheet) from the surface of the non-metallic layer.Gathering some metals (such as the energy such as iron, steel
The metal being enough attracted by the magnetic force) surface temperature when, temperature sensor 101 can be more closely adsorbed by magnetic sheet in tested gold
Metal surface, and tested metal surface is contacted by copper sheet, more accurately it is tested metallic surface temperature to obtain.
In a kind of possible implementation, the signal processor 102 can carry out the current signal non-linear
Correction, and received current signal is converted into voltage signal.
In a kind of possible implementation, the controller 105 can be 51 microcontrollers (the also referred to as 51 micro- places of series
Manage device), microcontroller is properly termed as MCU (Microcontroller Unit, micro-control unit) again.Utilize 51 series microprocessors
Realize that the communication with host computer is realized in the collection, processing transmission, control RS-232 interface of measurement data.
Fig. 2 is a kind of structure diagram of the multichannel temperature measuring device shown according to another exemplary embodiment.Make
For an example of the present embodiment, as shown in Fig. 2, the multichannel temperature measuring device 100 further includes display 106 and string
Row communication interface 107.
The display 106 is connected with the controller 105, for receiving each described the from the controller 105
Two digital signal, and show the temperature value in each second digital signal.Wherein, display 106 can be the LED of high brightness
Digital display, measurement result real-time display is realized using digital-scroll technique technology.
In a kind of possible implementation, the display 106 uses following any one display screen： LED
(Light Emitting Diode, light emitting diode) display screen, (Organic Light-Emitting Diode, have OLED
Machine light emitting diode) display screen and LCD (Liquid Crystal Display, liquid crystal display) display screen.
As shown in Fig. 2, the solid line in Fig. 2 is data/address bus, dotted line is controlling bus, and the controller 105 passes through control
Bus is to the controller 105 and the analog-digital converter 103, the memory 104, the display 106 and the string
Row communication interface 107 sends control instruction.Controller 105 can receive and process the analog-digital converter 103, described deposit at the same time
The data that reservoir 104, the display 106 and the serial communication interface 107 are sent in response to the control instruction.By
This realizes the digitlization of 100 measurement result of multichannel temperature measuring device and the automation of measurement process.
Fig. 3 be a kind of multichannel temperature measuring device according to an exemplary embodiment by serial communication interface with
The structure diagram of external equipment communication.As an example of the present embodiment, as shown in Figures 2 and 3, the multichannel temperature
Measuring device 100 further includes serial communication interface 107, the serial communication interface 107 and the controller 105 and external equipment
Connect respectively, each second digital signal for the controller 105 to be exported is sent to external equipment.Multichannel temperature
Measuring device 100 is spent it is possible thereby to realize the data exchange with other external equipments (such as computer).
In a kind of possible implementation, the serial communication interface 107 can be RS-232 interface, USB interface
Deng.
In a kind of possible implementation, through RS-232 between the multichannel temperature measuring device 100 and computer
Interface exchanges information structure remote auto measurement-recording system.For example, a computer can be connected with more instruments, formed more
Up to the remote auto measurement-recording system of tens temperature measuring points.
In a kind of example, the multichannel temperature measuring device can be that 6 channel temperatures measure recorder.6 passage
Temperature measuring and recording instrument includes：6 temperature sensors, 6 signal processors, analog-digital converter, dual-ported memory, 51 monolithics
Machine and RS-232 interface.6 channel temperature measurement recorder temperature measurement range can be：10 DEG C~30 DEG C, indicating value is missed
Difference can be：± 0.10 DEG C, resolution ratio can be：0.01 DEG C, year drift record can be：<0.03℃.
6 channel temperature measurement recorder measurement method can be：Programmed scanning thermometric passage, program control temperature measurement are adopted
Collection.Measuring speed can be：30 seconds (each passage is 5 seconds).Temperature sensor line length can be：<=10 meters (or according to
Family needs to match).Temperature sensor packaged type can be：Absorption type encapsulation (such as use thermal conductive silicon outside temperature sensor
Lipid layer is wrapped up, and is encapsulated outside thermal grease layer using non-metallic layer, heat-insulated to surrounding air, non-metal layer surface can equipped with magnetic sheet
Some metal surfaces are adsorbed, are the good sheet metal of heat conductivility in the part that adsorption plane is contacted with thermal grease layer,
Improve the heat conductivility of adsorption plane).In addition, it is absorption type encapsulation that temperature sensor packaged type, which can also be part, it is partly
Stainless steel encapsulates.For example, 3 absorption type encapsulation in 6 passages, 3 encapsulate for stainless steel.
The way of output of 6 channel temperature measurement recorder measurement result can include at least one of following：Monitor is shown
Show, user program sets automatic storage and user to store manually.Above-mentioned measuring speed, line length, packaged type etc. can bases
Demand is adjusted flexibly, and the present embodiment does not limit specific data or mode.
6 channel temperature measurement recorder can gather each of 6 diverse locations of object under test by 6 temperature sensors
The temperature data, each first number comprising magnitude of voltage is converted to by 6 signal processors, analog-digital converter by temperature data
Word signal, and realize the real time bidirectional independent access to each first digital signal by two memories, it is achieved in height
Speed work.
Further, 6 channel temperature measurement recorder by 51 microcontrollers by by read in memory each first
Magnitude of voltage in digital signal is converted to temperature value, and shows each temperature value by display.Realize the aobvious in real time of measurement result
Show.
Meanwhile the multichannel temperature measuring device can utilize 51 chip microcontroller measurement data collection, processing transmission,
RS-232 interface is controlled to realize that the communication with host computer forms remote auto measurement-recording system.
It should be noted that controller 105 can be realized by special hardware circuit, general procedure hardware can also be passed through
(such as central processor CPU, microcontroller, field programmable logic device FPGA etc.) combines executable logical order and realizes, with
The course of work of master component is performed, wherein, executable logical order can be based on prior art means and realize.The utility model
The specific implementation of controller 105 is not limited.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (8)
- A kind of 1. multichannel temperature measuring device, it is characterised in that including：Multiple temperature sensors, the temperature sensor are used for the corresponding current signal of collecting temperature data；Multiple signal processors, each signal processor is corresponding with each temperature sensor to be connected, the signal processor Carry out the current signal of the self-corresponding temperature sensor for receiving, and received current signal is converted into voltage signal；Analog-digital converter, is connected with each signal processor, for receiving each voltage letter from each signal processor Number, analog-to-digital conversion is carried out to received each voltage signal and obtains corresponding each first digital signal；First memory, is connected with the analog-digital converter, each described from the analog-digital converter for receiving and storing First digital signal；Second memory, is connected with the first memory, each described from the first memory for receiving and storing First digital signal；Controller, is connected respectively with the first memory and the second memory, for the first memory and institute State second memory and send read-write control signal respectively, control the first memory each described to second memory write-in First digital signal, reads each first digital signal, by each first digital signal from the second memory Magnitude of voltage is converted to temperature value, and exports the second digital signal for including the temperature value.
- 2. multichannel temperature measuring device according to claim 1, it is characterised in that further include：Display, is connected with the controller, for receiving each second digital signal from the controller, and shows Temperature value in each second digital signal.
- 3. multichannel temperature measuring device according to claim 1, it is characterised in that further include serial communication interface；The serial communication interface is connected respectively with the controller and external equipment, for each institute for exporting the controller State the second digital signal and be sent to external equipment.
- 4. multichannel temperature measuring device according to claim 3, it is characterised in that the serial communication interface is RS- 232 interfaces.
- 5. multichannel temperature measuring device as claimed in any of claims 1 to 4, it is characterised in that each temperature The outside for spending sensor is wrapped up using thermal grease layer, is encapsulated outside thermal grease layer using metal layer.
- 6. multichannel temperature measuring device as claimed in any of claims 1 to 4, it is characterised in that each temperature The outside for spending sensor is wrapped up using thermal grease layer, is encapsulated outside thermal grease layer using non-metallic layer, the non-metallic layer Surface be additionally provided with magnetic sheet.
- 7. multichannel temperature measuring device as claimed in any of claims 1 to 4, it is characterised in that the control Device is 51 microcontrollers.
- 8. multichannel temperature measuring device according to claim 2, it is characterised in that the display is using following any One display screen：LED display, OLED display screen and LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114265.XU CN207366088U (en) | 2017-08-31 | 2017-08-31 | Multichannel temperature measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114265.XU CN207366088U (en) | 2017-08-31 | 2017-08-31 | Multichannel temperature measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729584A (en) * | 2020-12-24 | 2021-04-30 | 西安翔腾微电子科技有限公司 | Intelligent current output sensor signal conditioning circuit and conditioning method |
| CN112763089A (en) * | 2020-12-24 | 2021-05-07 | 西安翔腾微电子科技有限公司 | Intelligent current sensor signal conditioning method and conditioning circuit thereof |
-
2017
- 2017-08-31 CN CN201721114265.XU patent/CN207366088U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729584A (en) * | 2020-12-24 | 2021-04-30 | 西安翔腾微电子科技有限公司 | Intelligent current output sensor signal conditioning circuit and conditioning method |
| CN112763089A (en) * | 2020-12-24 | 2021-05-07 | 西安翔腾微电子科技有限公司 | Intelligent current sensor signal conditioning method and conditioning circuit thereof |
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