CN106969852A - Export temperature sensor line circuit structure, system for detecting temperature and its method for PWM ripples - Google Patents
Export temperature sensor line circuit structure, system for detecting temperature and its method for PWM ripples Download PDFInfo
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- CN106969852A CN106969852A CN201710340122.9A CN201710340122A CN106969852A CN 106969852 A CN106969852 A CN 106969852A CN 201710340122 A CN201710340122 A CN 201710340122A CN 106969852 A CN106969852 A CN 106969852A
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- temperature
- sensor line
- pwm
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- pwm ripples
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- 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
- G01K7/22—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 non-linear resistance, e.g. thermistor
- G01K7/24—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 non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
-
- 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
-
- 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
- G01K7/01—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention provides a kind of temperature sensor line circuit structure of output PWM ripples, system for detecting temperature and its method, temperature sensor line circuit structure includes flexible PCB, temperature sensing circuit module and PWM ripple output circuit modules are provided with flexible PCB, the signal output part of temperature sensing circuit module is connected with the signal input part of PWM ripple output circuit modules, the temperature element for being provided with and being encapsulated based on SMD is also pasted in flexible PCB, temperature element is accessed in the temperature sensing circuit module, temperature sensing circuit module is used to detection temperature, the temperature that PWM ripple output circuits module is used to be detected according to described temperature sensing circuit module exports corresponding PWM ripples.The temperature element encapsulated based on SMD, including negative tempperature coefficient thermistor, semistor, thermometric diode and thermometric IC chip.Using technical scheme, temperature and the one-to-one corresponding of PWM ripples can be achieved, it is simple and convenient by detecting the dutycycle detection temperature of PWM ripples.
Description
Technical field
The present invention relates to temperature measuring device field, more particularly to a kind of cable for including temp sensing function, and in particular to a kind of defeated
Go out temperature sensor line circuit structure, system for detecting temperature and its method for PWM ripples.
Background technology
Carry out generally using temperature measuring device during temperature survey in the prior art, but some are more narrow when needing measurement
During temperature in small space, using temperature measuring device and unrealistic, the volume of usual temperature measuring device is larger, the thermometric of same accuracy
In instrument, the large volume of temperature measuring device of temperature measuring device of small size is expensive.And need to measure the temperature of strip space point
When, it is then more inconvenient using temperature measuring device, now, a kind of flexible, curling can be provided, occupied little space, using model
It is more burning hot technical problem instantly to enclose wide temperature measuring device.
Flexible PCB is that the one kind being made using polyimides or polyester film as base material has height reliability, excellent
Flexible printed circuit, referred to as soft board or FPC, with Distribution density is high, lightweight, thickness of thin the characteristics of.
The content of the invention
The purpose of the present invention is to overcome above-mentioned shortcoming of the prior art there is provided a kind of flexible, curling, according to different ripples
Export temperature sensor line circuit structure, system for detecting temperature and its method for the output PWM ripples of the PWM ripples of different duty.
To achieve these goals, the temperature sensor line circuit structure of output PWM ripples of the invention, system for detecting temperature and
Its method is specific as follows：
The temperature sensor line circuit structure of output PWM ripples, it is mainly characterized by, described temperature sensor line circuit structure
Including flexible PCB, temperature sensing circuit module and PWM ripple output circuit modules, institute are provided with described flexible PCB
The signal output part for the temperature sensing circuit module stated is connected with the signal input part of described PWM ripple output circuit modules,
The temperature element for being provided with and being encapsulated based on SMD, the thermometric member encapsulated based on SMD are also pasted in described flexible PCB
Part is accessed in the temperature sensing circuit module, and described temperature sensing circuit module is used to detection temperature, described PWM ripples output
The temperature that circuit module is used to be detected according to described temperature sensing circuit module exports corresponding PWM ripples.
It is preferred that described include negative tempperature coefficient thermistor, positive temperature coefficient heat based on the temperature element that SMD is encapsulated
Quick resistance, thermometric diode and thermometric IC chip.
It is preferred that the component in described PWM ripple output circuit modules is the component encapsulated based on SMD, pass through inspection
The PWM ripples of the signal output part output of described PWM ripple output circuit modules are surveyed, the temperature for obtaining described output PWM ripples is passed
The temperature that detects of sense line circuit structure, or by the signal output parts of described PWM ripple output circuit modules realize with it is another
Export the cascade of the temperature sensor line circuit structure of PWM ripples.
The system for detecting temperature of temperature sensor line circuit structure with above-mentioned output PWM ripples, it is mainly characterized by, institute
The system for detecting temperature stated includes described temperature sensor line circuit structure and PWM ripple detection modules, described TEMP
Line circuit structure is connected with described PWM ripple detection modules, and described PWM ripples detection module is used to detect that described temperature is passed
Feel the PWM ripples of line circuit structure output.
It is preferred that described PWM ripples detection module includes actuating section and detection part, described actuating section to
Described temperature sensor line circuit structure energy supply enables the temperature that described temperature sensor line circuit structure is detected according to it
The different PWM ripples of output, the different PWM of the described detection part temperature sensor line circuit structure output described to detect
Ripple.
More preferably, the PWM ripples detection module described in one connects one or more temperature sensor line circuit structures.
It is preferred that also include the table of comparisons of a temperature and PWM ripples in described system for detecting temperature, by the temperature with
The table of comparisons of PWM ripples obtains the corresponding temperature of PWM ripples that described PWM ripple detection modules are detected.
The method that temperature detecting function is realized using above-mentioned system for detecting temperature, it is mainly characterized by, described method
Comprise the following steps：
(1) described temperature sensor line circuit structure and described PWM ripple detection modules are connected；
(2) described temperature sensor is placed into region to be measured, detected；
(3) the PWM ripples detected by the PWM ripple detection modules described in observation, obtain presently described temperature sensor line
The temperature in residing region.
It is preferred that the connection of temperature sensor line circuit structure and PWM ripple detection modules is included institute in described step (1)
The actuating section and detection part stated are respectively connecting to the correspondence position of described temperature sensor line circuit structure.
It is preferred that described temperature sensor line circuit structure is flexible to be placed on described region to be measured.
It is preferred that described step (3) is specially：
(3.1) the PWM ripples that described PWM ripple detection modules are detected are observed；
(3.2) temperature according to corresponding to the table of comparisons of described temperature and PWM ripples obtains the PWM ripples, works as so as to obtain
The temperature in region residing for preceding described temperature sensor line circuit structure.
Temperature sensor line circuit structure, system for detecting temperature and its method for PWM ripples are exported using this kind, due in temperature
The flexible PCB for the temperature element for being provided with SMD encapsulation, therefore the temperature sensor line circuit have been used in sensing line circuit structure
Structure can also be crimped, bend while basic TEMP function is realized, can be by the temperature sensor line circuit knot
Structure is applied in various scenes, and the temperature element set in the temperature sensor line circuit structure can also be carried out according to actual needs
Choose, therefore the temperature sensor line in the invention has very high practical value.And the temperature sensor line circuit structure passes through one
PWM ripple output circuits module output corresponding PWM ripples at this temperature, can according to residing for temperature sensor line circuit structure region temperature
The change of degree obtains different PWM ripples, so that by detecting that the dutycycle of the PWM ripples obtains current temperature, it is simple and convenient.
Brief description of the drawings
Fig. 1 is the concrete structure schematic diagram of the temperature sensor line circuit structure of the output PWM ripples of the present invention.
Fig. 2 has the mould that PWM ripples export the temperature sensor line for detecting function to be of the invention in a kind of specific embodiment
Block connection diagram.
A kind of temperature sensor line circuit structure cascade operation of output PWM ripples of the Fig. 3 for the present invention in specific embodiment
Attachment structure schematic diagram.
The temperature sensor line circuit structure that Fig. 4 exports PWM ripples for the present invention in a kind of specific embodiment enters trip temperature inspection
Survey PWM ripple schematic diagrames during application.
Reference
1 flexible PCB
2 temperature sensing circuit modules
3 PWM ripple output circuit modules
4 interface modules
The temperature sensor line circuit structure of 5 output PWM ripples
Embodiment
In order to more clearly describe the technology contents of the present invention, carried out with reference to specific embodiment further
Description.
Set in the temperature sensor line circuit structure 5 of output PWM ripples, including flexible PCB 1, described flexible PCB 1
It is equipped with temperature sensing circuit module 2 and PWM ripple output circuits module 3, the signal output of described temperature sensing circuit module 2
End is connected with the signal input part of described PWM ripple output circuits module 3, also pastes and is provided with described flexible PCB 1
The temperature element encapsulated based on SMD, described to be accessed based on the SMD temperature elements encapsulated in the temperature sensing circuit module 2, institute
The temperature sensing circuit module 2 stated is used to detection temperature, and described PWM ripple output circuits module 3 is used to according to the temperature detected
The corresponding PWM ripples of degree output.
It is described based on the temperature element that SMD is encapsulated include negative tempperature coefficient thermistor, semistor,
Thermometric diode and thermometric IC chip.Actually and it is not limited to these temperature elements, as long as flexible PCB 11 can be mounted on
The temperature element on surface.
Component in described PWM ripple output circuits module 3 is the component encapsulated based on SMD, described by detection
PWM ripple output circuits module 3 signal output part output PWM ripples, the temperature sensor line for obtaining described output PWM ripples is electric
The temperature that line structure 5 is detected, or realized and another output by the signal output part of described PWM ripple output circuits module 3
The cascade of the temperature sensor line circuit structure 5 of PWM ripples.
The system for detecting temperature of temperature sensor line circuit structure 5 with above-mentioned output PWM ripples, including described temperature
Sense line circuit structure and PWM ripple detection modules, described temperature sensor line circuit structure and described PWM ripple detection modules
It is connected, described PWM ripples detection module is used for the PWM ripples for detecting described temperature sensor line circuit structure output.
Described PWM ripples detection module includes actuating section and detection part, and described actuating section is to described
The temperature that the energy supply of temperature sensor line circuit structure enables described temperature sensor line circuit structure to be detected according to it is exported not
Same PWM ripples, the different PWM ripples of the described detection part temperature sensor line circuit structure output described to detect.
PWM ripples detection module described in one connects one or more temperature sensor line circuit structures, and one can be realized with this
The system for detecting temperature that individual PWM ripples detection module and multiple temperature sensor line circuit structures of cascade are constituted.
Also include a temperature and the table of comparisons of PWM ripples in described system for detecting temperature, pass through the temperature and pair of PWM ripples
The corresponding temperature of PWM ripples that described PWM ripple detection modules are detected is obtained according to table.
The method that temperature detecting function is realized using above-mentioned system for detecting temperature, is comprised the following steps：
(1) described temperature sensor line circuit structure and described PWM ripple detection modules are connected；
(2) described temperature sensor is placed into region to be measured, detected；
(3) the PWM ripples detected by the PWM ripple detection modules described in observation, obtain presently described temperature sensor line
The temperature in residing region.
The connection of temperature sensor line circuit structure and PWM ripple detection modules includes opening described in described step (1)
Dynamic part and detection part are respectively connecting to the correspondence position of described temperature sensor line circuit structure.
Described temperature sensor line circuit structure is flexible to be placed on described region to be measured.
Described step (3) is specially：
(3.1) the PWM ripples that described PWM ripple detection modules are detected are observed；
(3.2) temperature according to corresponding to the table of comparisons of described temperature and PWM ripples obtains the PWM ripples, works as so as to obtain
The temperature in region residing for preceding described temperature sensor line circuit structure.
Described PWM ripple output circuits module 3 has signal input part.What it was connected is described temperature sensing circuit mould
The signal output part of block 2, effect of environmental temperature is produced in temperature sensing circuit module 2 by described temperature sensing circuit module 2
A series of electrical changes, cause described PWM ripple output circuits module 3 to export and electrically change corresponding PWM ripples with this, so that
User can directly obtain the temperature of the temperature sensor line circuit structure local environment by the detection to PWM ripples.Can be by many
The PWM ripple output circuits module 3 for planting structure realizes above-mentioned functions, will not be repeated here.
Referring to Fig. 2, be a kind of temperature sensor line circuit structure 5 of the output PWM ripples in specific embodiment, it is described
The one end of PWM ripple output circuits module 3 is connected with temperature sensing circuit module 2, and in this specific embodiment, temperature element is temperature-sensitive
Resistance, described PWM ripple output circuits module 3 includes the chip that can be directly mounted in flexible PCB 1 and corresponding SMD
Temperature-sensitive electricity in each circuit element and temperature sensing circuit module 2 in circuit components, the PWM ripple output circuits module 3
Resistance may be contained within flexible PCB 1, is connected by the circuit printed in flexible PCB 1, and constituting has PWM ripple output functions
Temperature sensor line circuit structure.
Referring to Fig. 3, in this specific embodiment, the temperature sensor line circuit structure 5 for exporting PWM ripples is carried out into level
Thermistor in connection, temperature sensing circuit module 2 therein can be arranged as required to as semistor or negative
Temperature coefficient thermistor.The temperature sensor line circuit structure 5 of first order output PWM ripples is connected with an interface module 4, and it is included
Single chip control unit and signal processing unit, wherein signal processing unit are considered as detection part, single chip control unit quilt
It is considered as actuating section.The temperature that the connected temperature sensing circuit module 2 of real time reaction of PWM ripple output circuits module 3 is detected
Degree state, the state of temperature that temperature sensing circuit module 2 is detected is converted into a specific PWM ripple, transmits interface mould
Block 4, by the signal processing unit of interface module 4, recognizes this PWM ripple signal, obtains the corresponding temperature of PWM ripples, now
Temperature and the PWM ripple tables of comparisons are provided with signal processing unit, also can by setting corresponding algorithm in signal processing unit,
Signal processing unit is set directly to obtain current state of temperature by the waveform of PWM ripples.And it is further, can be in signal processing unit
Middle setting alarm temperature, and systemic presupposition or user's setting may be selected in the alarm temperature value, is examined in described signal processing unit
Measure after the PWM ripples representated by set alarm temperature value, i.e., sent by the external warning device of described interface module 4
Warning message.
In above-mentioned specific embodiment, by the single chip control unit in interface module 4 to the defeated of its cascade connected
Go out the supply low level trigger signal of temperature sensor line circuit structure 5 of PWM ripples, energized to described temperature sensor line circuit structure
Different PWM ripples can be exported according to temperature, in the temperature sensor line circuit structure 5 of the output PWM ripples of described cascade
The first order receive the low level trigger signal, and triggered by the low level trigger signal, produce a wave width and temperature phase
The PWM ripples of pass, the temperature sensor line circuit structure 5 of described output PWM ripples returns the TEMP of the output PWM ripples of next stage
Line circuit structure 5 exports a low level, is worked for triggering the temperature sensor line circuit structure 5 of output PWM ripples of next stage.
In this specific embodiment, can be by setting PWM ripple output circuits module 3 to match somebody with somebody to the rear edge of its PWM ripple produced
An interval time is put, the PWM ripples that the temperature sensor line circuit structure 5 of a plurality of output PWM ripples of cascade is exported are distinguish between.
In this specific embodiment, output PWM ripples temperature sensor line circuit structure 5 export PWM ripples dutycycle with
Environment temperature changes, by detecting that the dutycycle of PWM ripples obtains the temperature sensor line circuit structure 5 that this grade exports PWM ripples
The temperature of local environment, in this specific embodiment, the PWM ripples in the temperature sensor line circuit structure 5 of described output PWM ripples
The circuit of output circuit module 3 meets response wave width and the one-to-one relation of temperature.And referring to Fig. 4, in Fig. 4 not only
There are the PWM ripples of different dutycycles, have also appeared the PWM ripples of different amplitudes, when PWM ripples occur abnormal, PWM ripples can be combined
Pulsewidth and the temperature sensor line circuit structures 5 of amplitude synthetic determination this section output PWM ripples whether break down and corresponding
Temperature.
Temperature sensor line circuit structure 5, system for detecting temperature and its method for PWM ripples are exported using this kind, due in temperature
The flexible PCB 1 for the temperature element for being provided with SMD encapsulation, therefore the temperature sensor line have been used in degree sensing line circuit structure
Circuit structure can also be crimped, bend while basic TEMP function is realized, can be by temperature sensor line electricity
Line structure is applied in various scenes, and the temperature element set in the temperature sensor line circuit structure also can be according to actual needs
Chosen, therefore the temperature sensor line in the invention has very high practical value.And the temperature sensor line circuit structure is logical
Cross PWM ripple output circuits module output corresponding PWM ripples at this temperature, can according to residing for temperature sensor line circuit structure region
The change of temperature obtain different PWM ripples so that by detecting that the dutycycle of the PWM ripples obtains current temperature, simple side
Just.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings are considered as illustrative
And it is nonrestrictive.
Claims (11)
1. a kind of temperature sensor line circuit structure of output PWM ripples, it is characterised in that described temperature sensor line circuit structure bag
Include and temperature sensing circuit module and PWM ripple output circuit modules are provided with flexible PCB, described flexible PCB, it is described
The signal output part of temperature sensing circuit module be connected with the signal input part of described PWM ripple output circuit modules, institute
The temperature element for being provided with and being encapsulated based on SMD, the temperature element encapsulated based on SMD are also pasted in the flexible PCB stated
Access in the temperature sensing circuit module, described temperature sensing circuit module is used to detection temperature, described PWM ripples output electricity
The temperature that road module is used to be detected according to described temperature sensing circuit module exports corresponding PWM ripples.
2. the temperature sensor line circuit structure of output PWM ripples according to claim 1, it is characterised in that it is described based on
The temperature element of SMD encapsulation includes negative tempperature coefficient thermistor, semistor, thermometric diode and thermometric IC
Chip.
3. the temperature sensor line circuit structure of output PWM ripples according to claim 1, it is characterised in that described PWM ripples
Component in output circuit module is the component encapsulated based on SMD, passes through the PWM ripple output circuit modules described in detection
The PWM ripples of signal output part output, obtain the temperature that the temperature sensor line circuit structure of described output PWM ripples is detected, or
The temperature sensor line circuit knot with another output PWM ripples is realized by the signal output part of described PWM ripple output circuit modules
The cascade of structure.
4. a kind of temperature inspection of the temperature sensor line circuit structure of the output PWM ripples with any one of claims 1 to 3
Examining system, it is characterised in that described system for detecting temperature includes described temperature sensor line circuit structure and PWM ripples are detected
Module, described temperature sensor line circuit structure is connected with described PWM ripple detection modules, described PWM ripple detection modules
The PWM ripples of the temperature sensor line circuit structure output described for detecting.
5. the system for detecting temperature of the temperature sensor line circuit structure according to claim 4 with output PWM ripples, it is special
Levy and be, described PWM ripples detection module includes actuating section and detection part, and described actuating section is to described temperature
The temperature that degree sensing line circuit structure energy supply enables described temperature sensor line circuit structure to be detected according to it exports different
PWM ripples, the different PWM ripples of the described detection part temperature sensor line circuit structure output described to detect.
6. the system for detecting temperature of the temperature sensor line circuit structure according to claim 5 with output PWM ripples, it is special
Levy and be, the PWM ripples detection module described in one connects one or more temperature sensor line circuit structures.
7. the system for detecting temperature of the temperature sensor line circuit structure according to claim 4 with output PWM ripples, it is special
Levy and be, a temperature and the table of comparisons of PWM ripples are also included in described system for detecting temperature, pass through the temperature and pair of PWM ripples
The corresponding temperature of PWM ripples that described PWM ripple detection modules are detected is obtained according to table.
8. the method that the system for detecting temperature any one of a kind of utilization claim 4 to 7 realizes temperature detecting function, its
It is characterised by, described method comprises the following steps：
(1) described temperature sensor line circuit structure and described PWM ripple detection modules are connected；
(2) described temperature sensor is placed into region to be measured, detected；
(3) the PWM ripples detected by the PWM ripple detection modules described in observation, are obtained residing for presently described temperature sensor line
The temperature in region.
9. the method that system for detecting temperature according to claim 8 realizes temperature detecting function, it is characterised in that described
PWM ripples detection module includes actuating section and detection part, and described actuating section is to described temperature sensor line circuit
The temperature that structure energy supply enables described temperature sensor line circuit structure to be detected according to it exports different PWM ripples, described
The detection part temperature sensor line circuit structure output described to detect different PWM ripples, described step (1) middle temperature
The connection of degree sensing line circuit structure and PWM ripple detection modules includes described actuating section and detection part being respectively connecting to
The correspondence position of described temperature sensor line circuit structure.
10. the method that system for detecting temperature according to claim 8 realizes temperature detecting function, it is characterised in that described
Temperature sensor line circuit structure flexible be placed on described region to be measured.
11. the method that system for detecting temperature according to claim 8 realizes temperature detecting function, it is characterised in that described
System for detecting temperature in also include the table of comparisons of a temperature and PWM ripples, obtain described by the table of comparisons of the temperature and PWM ripples
The corresponding temperature of PWM ripples that detects of PWM ripple detection modules, described step (3) is specially：
(3.1) the PWM ripples that described PWM ripple detection modules are detected are observed；
(3.2) temperature according to corresponding to the table of comparisons of described temperature and PWM ripples obtains the PWM ripples, so as to obtain current institute
The temperature in region residing for the temperature sensor line circuit structure stated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710340122.9A CN106969852A (en) | 2017-05-15 | 2017-05-15 | Export temperature sensor line circuit structure, system for detecting temperature and its method for PWM ripples |
| PCT/CN2018/085807 WO2018210147A1 (en) | 2017-05-15 | 2018-05-07 | Temperature sensing line based on temperature measuring element, and corresponding temperature measuring apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710340122.9A CN106969852A (en) | 2017-05-15 | 2017-05-15 | Export temperature sensor line circuit structure, system for detecting temperature and its method for PWM ripples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106969852A true CN106969852A (en) | 2017-07-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710340122.9A Withdrawn CN106969852A (en) | 2017-05-15 | 2017-05-15 | Export temperature sensor line circuit structure, system for detecting temperature and its method for PWM ripples |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018210147A1 (en) * | 2017-05-15 | 2018-11-22 | 上海安誉智能科技有限公司 | Temperature sensing line based on temperature measuring element, and corresponding temperature measuring apparatus and method |
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