CN207923307U - Intelligent distributed temperature measuring equipment - Google Patents
Intelligent distributed temperature measuring equipment Download PDFInfo
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- CN207923307U CN207923307U CN201820420104.1U CN201820420104U CN207923307U CN 207923307 U CN207923307 U CN 207923307U CN 201820420104 U CN201820420104 U CN 201820420104U CN 207923307 U CN207923307 U CN 207923307U
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Abstract
The utility model discloses a kind of intelligent distributed temperature measuring equipment, temperature measuring equipment includes intelligent controller and flexible distributed fever strip；Intelligent controller includes MCU, and industrial bus interface, radio receiving transmitting module and the multiple sensor interfaces being connect with the MCU, industrial bus interface are connect with host computer, and intelligent controller passes through multiple sensor interfaces and more flexible distributed thermometric band connections；Flexible distributed fever strip includes conductive flexible band and the uniformly distributed Digital Measurement of Temperature sensor on the conductive flexible band；The bottom of flexible distributed fever strip is silicone band, and the silicone band is equipped with embedded groove, and conductive flexible band is placed in the embedded groove；The flexible distributed fever strip further includes thermal insulation band, is laid on above the conductive flexible band, and adjacent digital temperature transducer is separated.The utility model is by flexible circuit printing technology and combines the intelligent distributed temperature measuring equipment of control of intelligent terminal design, and cost is relatively low, high certainty of measurement and expansible.
Description
Technical field
The utility model is related to field of temperature measurement more particularly to a kind of intelligence point being used for cable connector or terminals
Cloth temperature measuring equipment.
Background technology
The Temperature Distribution of cable intermediate joint and terminals plays an important roll in power cable in operation and maintenance.Cable
Transition joint, terminals are usually because the defects of fabrication and installation process, leads to cable or conductor joint heating, if cannot be timely
Processing can usually cause cable fault to lead to the serious accidents such as explosion or fire, seriously affect safety in production.Meanwhile among cable
The temperature of connector or terminals and current-carrying capacity, can be more preferably by butt joint temperature and current-carrying capacity comprehensive descision at certain relationship
Understand the operation health status of cable, ensures that cable is safe and reliable.Cable in the process of running joint temperature often
It is highest, so temperature reflects the maximum temperature of whole cable at cable connector, by temperature at cable connector
Monitoring can ensure the profit of cable according to the relationship of temperature and current-carrying capacity in the current-carrying capacity of raising cable safe to greatest extent
With efficiency and operational safety.
There are mainly three types of modes for thermometry of the prior art to testee surface：Point-like contacts formula thermometric, optical fiber point
Cloth thermometric, infrared contactless temperature-measuring.Since the actual motion environment complexity of cable connector is various, simple leans on traditional list
Temperature sensor may be unable to judge accurately out the actual temperature distribution of entire cable connector when point contact.Optical fiber distributed type thermometric
Shi Buneng overflexings, use environment is more demanding, and part of data acquisition is complex, and lower deployment cost is higher；Optical fiber temperature-measurement
The scope of application is 0 °~80 DEG C, and the typical temperature of cable intermediate joint, up to 70 DEG C or more, short trouble temperature is up to 130
DEG C, although optical fiber distributed type thermometric can carry out all fronts thermometric to the cable that optical fiber is contacted, and accomplish to record in real time, not
The too suitable measurement to cable intermediate joint or terminals；Infrared contactless temperature-measuring is interfered greatly by ambient enviroment, and discomfort shares
It is measured in temperature of cable junction.
Utility model content
The technical problem to be solved by the present invention is to be directed to effectively measure cable intermediate joint in the prior art
Or the defect of terminals temperature, the intelligent distributed temperature measuring equipment that a kind of high certainty of measurement is provided and can be extended.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of intelligent distributed temperature measuring equipment, including intelligent controller and flexible distributed fever strip are provided；
The intelligent controller includes MCU, and connect with the MCU industrial bus interface, radio receiving transmitting module and
Multiple sensor interfaces, the industrial bus interface are connect with host computer, intelligent controller by multiple sensor interfaces with it is more
The flexible distributed thermometric band connection of root；
The flexible distributed fever strip includes conductive flexible band and the uniformly distributed number on the conductive flexible band
Temperature transducer.
Above-mentioned technical proposal is connect, the bottom of the flexible distributed fever strip is silicone band, and the silicone band is equipped with embedding
Enter slot, the conductive flexible band is placed in the embedded groove；The flexible distributed fever strip further includes thermal insulation band, is laid on described lead
Above electric flexible-belt, adjacent digital temperature transducer is separated.
Above-mentioned technical proposal is connect, the thermal insulation, which takes, is uniformly arranged thermal insulation item, hollow out between two thermal insulation items, the thermal insulation
The edge of band is embedded on the silicone band, and hollow-out part fills heat conductive silica gel.
Above-mentioned technical proposal is connect, industrial bus interface includes Industrial Ethernet, RS485, CAN.
Connect above-mentioned technical proposal, which further includes power supply and power management module, power supply using battery or
External power supply.
Above-mentioned technical proposal is connect, one end of the flexible distributed fever strip is the waterproof connector for connecting sensor interface,
The other end is fever strip expansion interface；The unique ID number of each Digital Measurement of Temperature sensor is labeled on each conductive flexible band.
Above-mentioned technical proposal is connect, the interface type of the Digital Measurement of Temperature sensor is three-wire system or four-wire system, wherein two
Bar line is power and ground, and others are data line.
Above-mentioned technical proposal is connect, the Digital Measurement of Temperature sensor is temperature sensor or base based on single wire transmission agreement
In the temperature sensor of SMBus, I2C agreement.
The utility model additionally provides a kind of intelligent distributed temp measuring method, includes the following steps：
Flexible distributed fever strip is laid on cable under test connector or cable terminal；
Configure the data information of flexible distributed fever strip, including identifier, data length and data content, data content
Format and identifier correspond, wherein data content include sensor interface type, Digital Measurement of Temperature number of probes and
The unique ID number of each Digital Measurement of Temperature sensor；If being extended to flexible distributed fever strip by expansion interface, again
Configuration；
The time of intelligent controller is configured, realizes clock synchronization；
Serial communication protocol corresponding to sensor interface type acquires the measurement number of each Digital Measurement of Temperature sensor
According to；
The measurement data acquired every time is handled, and calculates the maximum value of Digital Measurement of Temperature measurement value sensor, minimum
Value, mean value and variance；
Identifier, data packet length, result of calculation, the measured value of each Digital Measurement of Temperature sensor and this data are acquired
Time forms complete data packet, and is sent to host computer.
The utility model generate advantageous effect be：The utility model combines an intelligence by flexible circuit printing technology
Control terminal devises a kind of expansible inexpensive distributed temperature measuring device and method, can increase fever strip according to actual demand
Length increase temperature measuring point, to can realize testee bulk temperature distributed measurement.For the online of temperature of cable junction
It measures and can be achieved that entire cable connector maximum temperature, minimum temperature be poor and the monitoring of mean temperature, while high certainty of measurement, it is real
Border deployment facilitates at low cost.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the structural schematic diagram of the intelligent distributed temperature measuring equipment of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the utility model embodiment intelligent controller；
Fig. 3 is the structural schematic diagram of the flexible distributed fever strip of the utility model embodiment；
Fig. 4 is the structural schematic diagram that the utility model embodiment conductive flexible band is placed in silicone band embedded groove；
Fig. 5 is the structural schematic diagram of the utility model embodiment thermal insulation band；
Fig. 6 is the structural schematic diagram of flexible distributed fever strip of the utility model embodiment with thermal insulation band.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
The intelligent distributed temperature measuring equipment of the utility model embodiment includes intelligent controller and flexible distributed fever strip.
Intelligent controller includes MCU, and industrial bus interface, the radio receiving transmitting module and multiple being connect with the MCU
Sensor interface, the industrial bus interface are connect with host computer, and intelligent controller is soft by multiple sensor interfaces and more
Property distributed temperature measuring band connection.
Flexible distributed fever strip includes conductive flexible band and the uniformly distributed Digital Measurement of Temperature on the conductive flexible band
Sensor.
As shown in Figure 1, there are three sensor interfaces for intelligent controller in the embodiment, three flexible distributed thermometrics are connected
Band A, B, C, include in every fever strip sensor 1,2,3,4 ... N, N+1, N+2, N+3, N+4 ...
As shown in Fig. 2, in the utility model one embodiment, intelligent controller is by power supply, power management module, MCU, work
Industry bus interface, radio receiving transmitting module, sensor interface A, sensor interface B, sensor interface C compositions.Sensor interface A,
Sensor interface B, sensor interface C are used for external flexible distributed fever strip；Industrial bus interface, unlimited transceiver module are used for
The external transmission of data.Industrial bus is generally used for wired networking mode, industrial bus include Industrial Ethernet, RS485,
CAN etc..Radio receiving transmitting module can be used for reporting temperature data to data center or data collector based on wireless mode, wirelessly
Mode includes WiFi, 3G/4G/LTE etc..Controls and temperature data acquisition and intellectual analysis of the MCU for each interface.Power supply
Management module is used for the power management of intelligent controller, and battery powered or external power supply may be used in power supply.
As shown in figure 3, the flexible distributed fever strip of the utility model embodiment is (i.e. flexible by being distributed in conductive flexible band
Printed circuit board) on multiple digital temperature sensors composition, and using waterproof technique handle, conductive flexible band one end carry
The waterproof connector connected with the sensor interface of intelligent controller, the other end carry fever strip expansion joint.On conductive flexible band
It is labeled with the unique ID number of each sensor.Digital temperature sensor on conductive flexible band is compiled from the near to the distant from intelligence sensor
Number be 1,2,3 ... N.
Data acquisition, such as the temperature based on single line or Double wire transmission agreement are carried out according to selected sensor interface type
Spend sensor, such as temperature sensor based on SMBus, I2C agreement.Sensor interface type includes three-wire system, four-wire system, wherein
Two lines are power and ground, and others are data line.
Every conductive flexible band all carries subtending port (i.e. expansion joint), can be cascaded by way of plug,
To extend temperature measuring point, increase the spatial dimension of thermometric.Address number is carried in fever strip, when cascade numbers big grade and is associated in number
Behind small.Unique ID of each sensor is marked in fever strip, convenient for the unique of sensor is written to intelligent terminal after cascade
ID。
As shown in Figure 4,5, the bottom of the flexible distributed fever strip of the utility model embodiment is silicone band 11, and the silicon
Adhesive tape is equipped with embedded groove, and the conductive flexible band 12 is placed in the embedded groove；The flexible distributed fever strip further includes thermal insulation
Band (as shown in Figure 5) is laid on above the conductive flexible band, and adjacent digital temperature transducer 13 is separated.
As shown in figure 5, the thermal insulation, which takes, is uniformly arranged thermal insulation item 14, hollow out between two thermal insulation items, as shown in fig. 6,
The edge of the thermal insulation band is embedded on the silicone band, and hollow-out part fills heat conductive silica gel.I.e. when fever strip makes, adopt
With flexible circuit board, while insulating rubber can be selected and separate each sensor, each sensor is sealed with heat conductive silica gel, and
It is contacted with testee, can will not cause the temperature string of approaching sensor with the temperature of effectively measuring point being monitored in this way
It disturbs.
Intelligent distributed temperature measuring equipment based on above-described embodiment, is applied to the survey of cable intermediate joint or end
Temperature specifically includes following steps：
The data information of S1, the flexible distributed fever strip of configuration, including identifier, data length and data content, data
The format of content is corresponded with identifier, and wherein data content includes sensor interface type, Digital Measurement of Temperature number of probes
And the unique ID number of each Digital Measurement of Temperature sensor；If being extended to flexible distributed fever strip by expansion interface,
It reconfigures；By configuring unique ID of sensor in flexible fever strip to intelligent controller, the breakage of fever strip may be implemented
It replaces, on demand extension etc., reduces maintenance cost；
S2, the time for configuring intelligent controller realize clock synchronization；
S3, the serial communication protocol corresponding to sensor interface type acquire the measurement of each Digital Measurement of Temperature sensor
Data；
S4, the measurement data acquired every time is handled, and calculates the maximum value, most of Digital Measurement of Temperature measurement value sensor
Small value, mean value and variance；
S5, by identifier, data packet length, result of calculation, the measured value of each Digital Measurement of Temperature sensor and this data
Acquisition time forms complete data packet, and is sent to host computer.
In order to know position of each temperature sensor on conductive flexible band, temperature sensor can be matched
It sets, agrees as follows substantially, after conductive flexible band is connected on intelligent controller, it is 1,2 to be numbered from the near to the distant from intelligence sensor,
3…N。
In one embodiment of the utility model, the location information of flexible distributed fever strip can be configured by configuration software
With acquisition time information.
On intelligent controller connect three fever strip, including flexible distributed fever strip A, flexible distributed fever strip B and
Flexible distributed fever strip C.
The bidding protocol of TLV can be used, wherein T is configuration order, and L is the length of whole order particular content, configuration
Command format is as shown in table 1 below.
The unique ID configuration orders format table of flexible thermometric belt sensor of 1 intelligent controller of table
Order citing：0xCA:The flexible distributed fever strip of sensors configured interface A；0xCB:Sensors configured interface B
Flexible distributed fever strip；0xCC:The flexible distributed fever strip of sensors configured interface C；
Interface type about set a distance：0x51：Single bus sensor；0x52:I2C buses；0x53：SMBus buses, agreement can
With extension.
Intelligent terminal reads the temperature of each point in each fever strip according to configuration information, is formed according to the format of TLV
Normal data parses convenient for data.
Using the bidding protocol of TLV, wherein T is configuration order, and L is the length of whole order particular content, the tool of configuration
Body value is as shown in table 2 below.
2 intelligent controller of table reports measured temperature to obtain data packet format table
Order citing：0xBA:The temperature data of the flexible distributed fever strip of sensors configured interface A；0xBB:Configuration passes
The temperature data of the flexible distributed fever strip of sensor interface B；0xBC:The flexible distributed fever strip of sensors configured interface C
Temperature data.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (8)
1. a kind of intelligent distributed temperature measuring equipment, which is characterized in that including intelligent controller and flexible distributed fever strip；
The intelligent controller includes MCU, and industrial bus interface, the radio receiving transmitting module and multiple being connect with the MCU
Sensor interface, the industrial bus interface are connect with host computer, and intelligent controller is soft by multiple sensor interfaces and more
Property distributed temperature measuring band connection；
The flexible distributed fever strip includes conductive flexible band and the uniformly distributed Digital Measurement of Temperature on the conductive flexible band
Sensor.
2. intelligent distributed temperature measuring equipment according to claim 1, which is characterized in that the flexible distributed fever strip
Bottom is silicone band, and the silicone band is equipped with embedded groove, and the conductive flexible band is placed in the embedded groove；This is flexible distributed
Fever strip further includes thermal insulation band, is laid on above the conductive flexible band, and adjacent digital temperature transducer is separated.
3. intelligent distributed temperature measuring equipment according to claim 2, which is characterized in that the thermal insulation take be uniformly arranged every
Warm item, hollow out between two thermal insulation items, the edge of the thermal insulation band are embedded on the silicone band, and hollow-out part fills heat conduction
Silica gel.
4. intelligent distributed temperature measuring equipment according to claim 1, which is characterized in that industrial bus interface include industry with
Too net, RS485, CAN.
5. intelligent distributed temperature measuring equipment according to claim 1, which is characterized in that the intelligent controller further includes power supply
And power management module, power supply use battery or external power supply.
6. intelligent distributed temperature measuring equipment according to claim 1, which is characterized in that the flexible distributed fever strip
One end is the waterproof connector for connecting sensor interface, and the other end is fever strip expansion interface；It is labeled on each conductive flexible band
The unique ID number of each Digital Measurement of Temperature sensor.
7. intelligent distributed temperature measuring equipment according to claim 1, which is characterized in that the Digital Measurement of Temperature sensor connects
Mouth type is three-wire system or four-wire system, and two of which line is power and ground, and others are data line.
8. intelligent distributed temperature measuring equipment according to claim 1, which is characterized in that the Digital Measurement of Temperature sensor is base
In the temperature sensor of single wire transmission agreement or temperature sensor based on SMBus, I2C agreement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420104.1U CN207923307U (en) | 2018-03-27 | 2018-03-27 | Intelligent distributed temperature measuring equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420104.1U CN207923307U (en) | 2018-03-27 | 2018-03-27 | Intelligent distributed temperature measuring equipment |
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| CN207923307U true CN207923307U (en) | 2018-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562369A (en) * | 2018-03-27 | 2018-09-21 | 武汉朗德电气有限公司 | Intelligent distributed temperature measuring equipment and its temp measuring method |
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2018
- 2018-03-27 CN CN201820420104.1U patent/CN207923307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562369A (en) * | 2018-03-27 | 2018-09-21 | 武汉朗德电气有限公司 | Intelligent distributed temperature measuring equipment and its temp measuring method |
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