CN109341876A - Wireless remote temperature monitoring system - Google Patents
Wireless remote temperature monitoring system Download PDFInfo
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- CN109341876A CN109341876A CN201811533990.XA CN201811533990A CN109341876A CN 109341876 A CN109341876 A CN 109341876A CN 201811533990 A CN201811533990 A CN 201811533990A CN 109341876 A CN109341876 A CN 109341876A
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- Prior art keywords
- sensor
- wireless remote
- signal
- monitoring system
- temperature monitoring
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000009863 impact test Methods 0.000 claims abstract description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 239000004809 Teflon Substances 0.000 claims description 11
- 229920006362 Teflon® Polymers 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 229910052697 platinum Inorganic materials 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to a kind of wireless remote temperature monitoring systems.The wireless remote temperature monitoring system is suitable for electric vehicle impact test, including temperature sensor, and including sensor chip and the signal wire connecting with the sensor chip, the signal wire high temperature resistant is antiwind and length is more than or equal to 6m；Sensor collection line end, connect with temperature sensor；Data acquisition and display end, including processor and display；Wireless signal extends pecker, wirelessly connects sensor collection line end, and connect data acquisition and display end using electric line carrier communication mode；In electric vehicle impact test, data acquisition and display end extend pecker by wireless signal and receive the temperature signal obtained by sensor collection line end.The invention proposes a kind of wireless remote temperature monitoring systems, can complete the wiring of temperature sensor in car body, and acquisition signal can cross over electromagnetic shield regions, easy for installation, good test effect.
Description
Technical field
The present invention relates to temperature sensors and data collecting field technical field, more particularly to one kind to touch suitable for electric vehicle
Hit the wireless remote temperature monitoring system of test.
Background technique
The lithium battery as used by the power battery of electric car may be subjected to shock in collision process, cause to become
Shape and compressional deformation, and then cause fire incident.Therefore in electric automobile collision test, and when after the test one section
In, such as in 8~24 hours, need to carry out the power battery of electric car monitoring and the record of temperature, if there is different
Chang Ze is sounded an alarm.Therefore, temperature acquisition monitoring system and temperature sensor need to be fixed on electric car with tested vehicle
It is subjected to colliding together, which needs can real time inspection and downloading temperature data after collision process and collision.In addition,
Power battery just can guarantee that covering is entire dynamic possible across the sensing point for being arranged in entire vehicle body, therefore needing many temperature
Power cell area.The signal wire of the temperature sensor of existing temperature acquisition equipment can not accomplish the multiple groups up to 6~7m (rice)
The wiring of sensor.When being routed lengthening, interference can be introduced, thermometric is caused to fail.In addition, entire car body may be by after collision
It is transferred to special metallic shield region to quarantine to prevent fire explosion, if acquiring temperature with existing wireless mode
Degree signal then can not spread out of signal in screened room.
Summary of the invention
In view of the above problems in the prior art, the invention proposes a kind of wireless remote temperature monitoring system, vehicle can be completed
The wiring of body temperature sensor, acquisition signal can cross over electromagnetic shield regions, easy for installation, good test effect.
Specifically, the invention proposes a kind of wireless remote temperature monitoring systems, are suitable for electric vehicle impact test, packet
It includes,
Temperature sensor, including sensor chip and the signal wire connecting with the sensor chip, the signal wire is resistance to
High temperature is antiwind and length is more than or equal to 6m；
Sensor collection line end, connect with the temperature sensor；
Data acquisition and display end, including processor and display；
Wireless signal extends pecker, wirelessly connects the sensor collection line end, and logical using power line carrier
News mode connects the data acquisition and display end；
In the electric vehicle impact test, the data acquisition and display end pass through wireless signal extension pecker
The temperature signal obtained by the sensor collection line end is received, the temperature signal is shown in described after processor processing
On display.
According to one embodiment of present invention, the sensor chip is using metal platinum as resistance material, the temperature
The measurement range of sensor is -300~+300 DEG C, and measurement accuracy is 0.1 DEG C.
According to one embodiment of present invention, aluminium alloy is used to encapsulate to be formed outside an aluminium alloy outside the sensor chip
Shell fills thermal grease conduction in the aluminum alloy casing, in the aluminum alloy casing and in the sensor chip and signal wire
Link position using epoxy resin encapsulate.
According to one embodiment of present invention, the signal wire has stranded conductor, coats outside the per share conducting wire
First Teflon sheath is arranged reinforcing rib outside the conducting wire described in multiply, in periphery cladding the second Teflon shield of the reinforcing rib
Set, is arranged shielded layer between the reinforcing rib and the second Teflon sheath.
According to one embodiment of present invention, the sensor chip uses 7 core LEMO connectors, the sensor collection line end
The temperature sensor is connected using LEMO connector.
According to one embodiment of present invention, the sensor collection line end has the first battery group, is used for the biography
The power supply of sensor collection line end.
According to one embodiment of present invention, the excitation electricity with Wheatstone bridge road is integrated in the sensor collection line end
Source, millivolt amplifier, filter circuit and wireless transmitting and receiving device, the excitation power supply for generating constant pressure, put by the millivolt
Big device is used for amplified signal.
According to one embodiment of present invention, the wireless signal extension pecker is using 433MHZ frequency and the sensing
Device collection line end and data acquisition and display end communication.
According to one embodiment of present invention, the data acquisition and display end have the second battery group, are used for institute
State data acquisition and display end power supply.
According to one embodiment of present invention, wireless signal extension pecker by electricity network and commercial power socket come
Realize the electric line carrier communication mode.
A kind of wireless remote temperature monitoring system provided by the invention, wireless signal are extended pecker and are carried using power line
Wave communication modes connect data acquisition and display end, and integral installation is convenient, good test effect.
It should be appreciated that the general description and the following detailed description more than present invention be all it is exemplary and illustrative,
And it is intended that the present invention as claimed in claim provides further explanation.
Detailed description of the invention
It is to provide further understanding of the invention including attached drawing, they are included and constitute part of this application,
Attached drawing shows the embodiment of the present invention, and plays the role of explaining the principle of the invention together with this specification.
In attached drawing:
Fig. 1 shows the structural block diagram of the wireless remote temperature monitoring system of one embodiment of the invention.
Fig. 2 shows the structural representations of the temperature sensor of the wireless remote temperature monitoring system of one embodiment of the invention
Figure.
Fig. 3 shows the cross-sectional view of conducting wire in Fig. 2.
Fig. 4 is shown in the sensor collection line end of the wireless remote temperature monitoring system of one embodiment of the invention using favour
Stone electric bridge mode measures the circuit structure diagram of platinum resistance.
Wherein, above-mentioned attached drawing mainly includes the following drawings label:
100 temperature sensor 110 of wireless remote temperature monitoring system
111 signal wire 112 of sensor chip
113 thermal grease conduction 114 of aluminum alloy casing
115 conducting wire 116 of epoxy resin
First Teflon sheath, 117 reinforcing rib 118
Second Teflon sheath, 119 shielded layer 1121
120 first battery group 121 of sensor collection line end
Data acquisition and 130 processor 131 of display end
132 second battery group 133 of display
Wireless signal extends pecker 140
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
Apply for the limitation of protection scope.In addition, although term used in this application is selected from public term,
It is some terms mentioned in present specification may be that applicant by his or her judgement comes selection, detailed meanings
Illustrate in the relevant portion of description herein.Furthermore, it is desirable that not only by used actual terms, and be also to pass through
Meaning that each term is contained understands the application.
Fig. 1 shows the structural block diagram of the wireless remote temperature monitoring system of one embodiment of the invention.Fig. 2 shows this
The structural schematic diagram of the temperature sensor of the wireless remote temperature monitoring system of invention one embodiment.Fig. 3 shows in Fig. 2 and leads
The cross-sectional view of line.As shown, a kind of wireless remote temperature monitoring system 100 suitable for electric vehicle impact test is main
It to include that temperature sensor 110, sensor collection line end 120, data acquisition and display end 130 and wireless signal extend pecker
140。
Wherein, temperature sensor 110 includes sensor chip 111 and the signal wire 112 connecting with sensor chip 111.
The characteristic that the signal wire 112 has high temperature resistant antiwind, and 112 length of signal wire is more than or equal to 6m, to guarantee temperature sensor
The power battery region of 110 integral arrangement covering power vehicle.
Sensor collection line end 120 is connect with the signal wire 112 of temperature sensor 110.The reception of sensor collection line end 120 comes from
The detection signal of temperature sensor 110.
Data acquisition and display end 130 include processor 131 and display 132.
Wireless signal extension pecker 140 can wirelessly connect sensor collection line end 120.Wireless signal extension connects
Continuous device 140 connects data acquisition and display end 130 using electric line carrier communication mode.
In electric vehicle impact test, data acquisition and display end 130 by wireless signal extend pecker 140 reception by
The temperature signal that sensor collection line end 120 obtains.The temperature signal is handled through the processor 131 of data acquisition and display end 130
After be shown on display 132, so that user understands the temperature detection result in power battery region in time.
Preferably, sensor chip 111 uses metal platinum as resistance material, electric property is relatively stable.Temperature sensing
The measurement range of device 110 is -300~+300 DEG C (degree Celsius), and measurement accuracy is 0.1 DEG C.
Preferably, encapsulating to form an aluminum alloy casing 113 using aluminium alloy outside sensor chip 111.Aluminum alloy casing 113
Has the function of water, shock, the power battery region for enabling sensor chip to be conveniently fixedly installed on electric car.In aluminium
Thermal grease conduction 114 is filled in alloy shell 113.In aluminum alloy casing 113, and in the company of sensor chip 111 and signal wire 112
It connects position to encapsulate using epoxy resin 115, promote dust-proof effect and heating conduction can be maintained.
Preferably, signal wire 112 has stranded conductor 116.In the embodiment of Fig. 3 signal, signal wire 112 has 3 strands
Conducting wire 116, external in per share conducting wire 116 coat the first Teflon sheath 117.It is arranged reinforcing rib again outside 3 strands of conducting wires 116
118, in periphery the second Teflon sheath 119 of cladding of reinforcing rib.It is set between reinforcing rib 118 and the second Teflon sheath 119
Set shielded layer 1121.Wherein, shielded layer 1121 usually has copper mesh braiding, can cope with the electronic interferences ring in electric vehicle impact test
Border.Reinforcing rib 118 copes with the excessively soft the problem of being easy knotting and winding of signal wire 112 in the wiring process in impact test,
Increase the signal wire 112 after reinforcing rib 118, enhancing signal wire is flexible, it is not easy to knot, wind, convenient for storage with
It arranges to reuse.
Preferably, sensor chip 111 uses 7 core LEMO (thunder is not) connector, DTS can be directly pulled and connected, KISLER number is adopted
It is motivated and is acquired.Sensor collection line end 120 connects temperature sensor 110 using LEMO connector, and the two fitness is more
It is good, both facilitate installation plug in turn ensure the contact reliability in impact test.
Preferably, sensor collection line end 120 has the first battery group 121, for powering to sensor collection line end 120.
In one embodiment, the first battery group 121 is lithium battery, and sensor collection line end 120 further includes charge-discharge system, provides the lithium
Battery charging and discharging.First battery group 121 can continuous work up to for 24 hours (hour).
Preferably, integrating the excitation power supply with Wheatstone bridge road, millivolt amplifier, filtering in sensor collection line end 120
Circuit and wireless transmitting and receiving device.Excitation power supply can export constant pressure driving voltage using model AD586 reference voltage chip
Source, the faint signal of the millivolt level generated by temperature sensor 110 after model AD620 instrument amplifier chip amplified signal,
Emitted after being filtered using RC low-pass filter circuit.
Preferably, wireless signal extension pecker 140 is acquired using 433MHZ frequency and sensor collection line end 120 and data
It is communicated with display end 130.Make the penetrability of signal stronger using 433MHZ frequency, communication distance is farther.
Preferably, data acquisition and display end 130 have the second battery group 133.Second battery group 133 is used for number
It powers according to acquisition and display end 130.In one embodiment, the second battery group 133 is lithium battery, data acquisition and display end
130 further include charge-discharge system, provides the charging and discharging lithium battery.Second battery group 133 can continuous work up to (small for 24 hours
When).
Preferably, wireless signal extension pecker 140 realizes that power line carrier is logical by electricity network and commercial power socket
News mode.Wireless signal extension pecker 140 can be fixed on any one city 220V on the metope of test zone in this way
In electric power outlet, electricity is taken by alternating current, signal data is transmitted while taking electricity.Wireless signal extends pecker 140 will be from biography
The temperature signal that sensor collection line end 120 obtains is transmitted to data acquisition and display end 130 by electric line carrier communication mode.?
In the same high-tension transformer power supply network, high speed reliable communicating may be implemented, without in addition wiring.This kind of mode preferably solves
" through walls " decaying, transmission range are short, the difficult problem of later period wiring.Wireless signal extends pecker 140 and sensor collection line end
120 are wirelessly connected with data acquisition with display end 130.If necessary to extended wireless signal, it is only necessary in any one city 220V
Increase one or more wireless signals extension pecker 140 in electric power outlet, the forwarding and extension of wireless signal can be completed.
Can be across the room and laboratory being electromagnetically shielded completely using electric line carrier communication mode, equipment is using wireless hair in the room
Reception is penetrated, directlys adopt electric line carrier communication between the not chummery in laboratory, without wiring.In addition, wireless signal expands
Warning function can also be provided with alarm switch by opening up pecker 140, can also be with the alarm security system outside docking.Wireless communication
Number extension pecker 140 can also have Wifi connection type, to facilitate access to LAN or Internet application.
Fig. 4 shows the circuit structure diagram for measuring platinum resistance in sensor collection line end using Wheatstone bridge mode.Such as figure
It is shown, platinum resistance RT is measured using Wheatstone bridge mode, the pressure difference between resistance R1, R3 is V1, and the pressure difference between resistance R2, RT is
V2, differential pressure differential Δ V.
Δ V=V1-V2=V × (R3/ ((R1+R3))-RT/ ((R2+RT)))
If 4 resistance are all equal, i.e. R1=R2=R3=RT, then Δ V=0.
When wherein three resistance values are fixed, and platinum resistance RT is varied with temperature and linear change, and the resistance value of RT changes
Δ V is caused to change.The incoming comparison of sensor collection line end 120 platinum resistance of differential voltage Δ V, which is linearly tabled look-up, can be obtained by
Corresponding accurate temperature value.Therefore measuring temperature by this way will be by the shadow of the signal line length of temperature sensor 110
It rings.
A kind of wireless remote temperature monitoring system 100 provided by the invention, using wireless signal extension pecker application electricity
Line of force carrier communication mode is come convenient, the good test effect that transmits a signal to data acquisition and display end, integral installation.
Those skilled in the art can be obvious, the above exemplary embodiments of the invention can be carry out various modifications and modification and
Without departing from the spirit and scope of the present invention.Accordingly, it is intended to which present invention covering is made to fall in the appended claims and its equivalence techniques
Modifications of the present invention and modification in aspects.
Claims (10)
1. a kind of wireless remote temperature monitoring system is suitable for electric vehicle impact test, including,
Temperature sensor, including sensor chip and the signal wire being connect with the sensor chip, the signal wire high temperature resistant
Antiwind and length is more than or equal to 6m；
Sensor collection line end, connect with the temperature sensor；
Data acquisition and display end, including processor and display；
Wireless signal extends pecker, wirelessly connects the sensor collection line end, and use electric line carrier communication side
Formula connects the data acquisition and display end；
In the electric vehicle impact test, the data acquisition and display end extend pecker by the wireless signal and receive
The temperature signal obtained by the sensor collection line end, the temperature signal are shown in the display after processor processing
On device.
2. wireless remote temperature monitoring system as described in claim 1, which is characterized in that the sensor chip uses metal
Platinum is -300~+300 DEG C as resistance material, the measurement range of the temperature sensor, and measurement accuracy is 0.1 DEG C.
3. wireless remote temperature monitoring system as described in claim 1, which is characterized in that use aluminium outside the sensor chip
Alloy encapsulates to form an aluminum alloy casing, fills thermal grease conduction in the aluminum alloy casing, in the aluminum alloy casing and
The link position of the sensor chip and signal wire is encapsulated using epoxy resin.
4. wireless remote temperature monitoring system as described in claim 1, which is characterized in that the signal wire is led with multiply
Line coats the first Teflon sheath outside the per share conducting wire, reinforcing rib is arranged outside the conducting wire described in multiply, in the reinforcement
Periphery the second Teflon sheath of cladding of muscle, is arranged shielded layer between the reinforcing rib and the second Teflon sheath.
5. wireless remote temperature monitoring system as described in claim 1, which is characterized in that the sensor chip uses 7 cores
LEMO connector, the sensor collection line end connect the temperature sensor using LEMO connector.
6. wireless remote temperature monitoring system as described in claim 1, which is characterized in that the sensor collection line end has the
One battery group, for powering to the sensor collection line end.
7. wireless remote temperature monitoring system as described in claim 1, which is characterized in that integrated in the sensor collection line end
Excitation power supply, millivolt amplifier, filter circuit and wireless transmitting and receiving device with Wheatstone bridge road, the excitation power supply are used
In generating constant pressure, the millivolt amplifier is used for amplified signal.
8. wireless remote temperature monitoring system as described in claim 1, which is characterized in that the wireless signal extends pecker
Using 433MHZ frequency and the sensor collection line end and data acquisition and display end communication.
9. wireless remote temperature monitoring system as described in claim 1, which is characterized in that the data acquisition and display end tool
There is the second battery group, for powering to data acquisition and display end.
10. wireless remote temperature monitoring system as described in claim 1, which is characterized in that the wireless signal extension connects
Device realizes the electric line carrier communication mode by electricity network and commercial power socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533990.XA CN109341876A (en) | 2018-12-14 | 2018-12-14 | Wireless remote temperature monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533990.XA CN109341876A (en) | 2018-12-14 | 2018-12-14 | Wireless remote temperature monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990807A (en) * | 2017-12-12 | 2018-05-04 | 奇瑞汽车股份有限公司 | A kind of displacement sensor and car steering tube column on-line displacement measurement system |
| CN112229531A (en) * | 2020-09-22 | 2021-01-15 | 一汽奔腾轿车有限公司 | Novel air conditioner blows a temperature test of air outlet device |
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| CN112229531A (en) * | 2020-09-22 | 2021-01-15 | 一汽奔腾轿车有限公司 | Novel air conditioner blows a temperature test of air outlet device |
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