KR101926471B1 - Apparatus for Detecting Temperature and Humidity for Vehicle - Google Patents
Apparatus for Detecting Temperature and Humidity for Vehicle Download PDFInfo
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- KR101926471B1 KR101926471B1 KR1020150093032A KR20150093032A KR101926471B1 KR 101926471 B1 KR101926471 B1 KR 101926471B1 KR 1020150093032 A KR1020150093032 A KR 1020150093032A KR 20150093032 A KR20150093032 A KR 20150093032A KR 101926471 B1 KR101926471 B1 KR 101926471B1
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- 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
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00592—Add-on devices, e.g. heat/cooling boxes, compartment dividers, upgrade sets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00785—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models by the detection of humidity or frost
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00792—Arrangement of detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- 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
- G01K1/08—Protective devices, e.g. casings
-
- 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
- G01K1/20—Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/11—Weather houses or other ornaments for indicating humidity
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to a temperature and humidity detecting apparatus for a vehicle, which can detect an indoor temperature of a vehicle without generating noises without using an exhausting fan.
Wherein the temperature and humidity detecting device for a vehicle has a case having a first through hole exposed from a receiving space to an interior space of a vehicle, the case having one surface attached to a window of the vehicle and forming one receiving space therein; And a sensor assembly accommodated in the case, wherein the sensor assembly includes: a printed circuit board supported inside the accommodation space; And a room temperature sensor having one end mounted on one side of the printed circuit board and a part of the head exposed to the interior space of the vehicle through the first through hole to sense the room temperature.
Description
The present invention relates to a temperature and humidity detecting apparatus for a vehicle, which can detect an indoor temperature of a vehicle without generating noises without using an exhausting fan.
Generally, the automobile has an air conditioner for indoor heating or cooling.
In order to improve the convenience of the driver, the automobile air conditioner is being converted into an automation device. For this purpose, an in-car sensor for automatically measuring the temperature of the automobile room is essentially installed in the air conditioner.
An in-car sensor is installed on the back surface of an automobile grill or an instrument panel. The in-car sensor sucks indoor air through an aspirator system or a ventilation system, It senses the temperature of automobile room air with an inca sensor installed in the air flow.
Here, the earth sensor type incase sensor uses an aspiration motor that rotationally drives an impeller (fan) to inhale the automobile room air to measure the room temperature of the automobile.
Korean Patent No. 10-0887535 and No. 10-1491051 disclose an inca sensor proposed by the present applicant.
In Korean Patent No. 10-0592712 (Patent Document 1), a technique of measuring indoor humidity as well as indoor temperature using an inciner sensor has been used. However, when the vehicle is in an idle stop & go (ISG) state, the engine is stopped and most of the noise generating factors are in the operation stop state. However, the electric sensor operated by electricity is noisy due to the driving of the aspiration motor there is a problem.
Accordingly, there is a demand for a technique of detecting a room temperature by a fanless type without using an impeller (fan).
On the other hand, generally, when the humidity of the vehicle interior is high and the outdoor temperature is low, a fog phenomenon occurs in which dew is formed on the windshield. That is, when the surface temperature of the windshield is lower than the dew point temperature determined according to the humidity around the windshield, fog occurs to conceal the driver's view. Accordingly, most vehicles are provided with a defogging system for removing fog using air discharged through a defrost duct of the air conditioner when a fog occurs.
The defogging system detects the occurrence of fog on the windshield early and suppresses the occurrence of fog. In addition, the defogging system removes the fog early when the fog occurs, thereby improving the safety of the driver by ensuring a smooth watch, .
Therefore, most of the defogging systems detect the fog using a fog sensor attached to the windshield, and when the fog is expected, the defogging system is operated to suppress the occurrence of fog and to remove the fog that has already been generated .
Korean Patent Laid-Open Publication No. 10-2005-0114014 (Patent Document 2) discloses a vehicle window fogging detection apparatus comprising: a glass surface surrounding humidity sensor for detecting a humidity around a vehicle glass surface; A glass surface temperature detection sensor for detecting the temperature of the vehicle glass surface; A glass surface temperature detection sensor for detecting a temperature around the vehicle glass surface; A control unit for estimating a vehicle interior temperature from the temperature around the glass surface of the vehicle and the temperature of the vehicle surface, calculating the estimated vehicle interior temperature and humidity around the vehicle glass surface, and comparing the obtained dew point temperature with the glass surface temperature to selectively generate a fogging detection signal; Wherein the vehicle window fogging detection device comprises:
In
In
Furthermore, as described in
SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a fanless fan which can detect an indoor temperature of a vehicle without generating noise, And to provide a temperature and humidity detecting apparatus for a vehicle.
It is another object of the present invention to provide a fanless type fan motor which can be miniaturized by integrally mounting a fanless type indoor temperature sensor for detecting a room temperature of a vehicle to a fog sensor for detecting a fog for controlling defogging, And to provide a temperature and humidity detecting device for a vehicle.
Another object of the present invention is to provide a fanless type air conditioner capable of precisely detecting the actual temperature of the glass surface regardless of the lowered room temperature even when the room temperature is lowered due to the operation of the air conditioner for accurate de- And to provide a temperature and humidity detecting device for a vehicle.
It is another object of the present invention to provide a temperature and humidity detecting apparatus for a fanless type vehicle which can detect a precise temperature while attaching a sensor box to a glass surface without using a mount for miniaturization.
According to one aspect of the present invention, there is provided a vehicle comprising: a case having a first through hole exposed from a receiving space to an interior space of a vehicle, one surface of which is attached to a windshield of a vehicle and forms one receiving space therein; And a sensor assembly accommodated in the case, wherein the sensor assembly includes: a printed circuit board supported inside the accommodation space; And a room temperature sensor which is mounted at one end of the printed circuit board and part of the head is exposed to the interior space of the vehicle through the first through hole to sense the room temperature, Lt; / RTI >
The case has a second through hole exposed from the accommodation space to an interior space of the vehicle. The sensor assembly has one end mounted on one side of the printed circuit board and the tip end closely contacting the windshield, Glass surface temperature sensor; A temperature and humidity sensor mounted on the other side of the printed circuit board facing the second through hole to sense temperature and humidity around the glass surface; A compensation temperature sensor for sensing a temperature around the temperature / humidity sensor; And a control unit for accelerating and temperature-compensating temperature and humidity data sensed by the temperature / humidity sensor to generate compensated humidity data.
Wherein the temperature and humidity detecting device for a vehicle is attached to at least one of the one side surface and the other side surface of the printed circuit board and the inner surface side of the windshield of the case, As shown in FIG.
The heat insulating sheet may be composed of a heat dissipation sheet alone, a composite sheet in which a heat radiation sheet and a heat insulation sheet are laminated, and a composite sheet in which a heat insulation sheet is sandwiched between a pair of heat radiation sheets.
The glass surface temperature sensor may be a film type, the temperature sensor for compensation may be a chip type, and the room temperature sensor may be a lead type.
Wherein the case is a rectangular cover whose outer surface is attached to the windshield of the vehicle; And a cover having a first and a second through-hole that are coupled to the upper portion to form one receiving space therein and which are exposed to the interior space of the vehicle from the receiving space, And a body case having one opened receiving groove.
As described above, in the present invention, it is possible to detect the indoor temperature of the vehicle without generating noises without using the ventilation fan like the conventional inca sensor.
In addition, in the present invention, a fanless type room temperature sensor for detecting a room temperature of a vehicle can be integrally mounted on a fog sensor for detecting a fog for controlling the defogging, thereby enabling miniaturization. Since the room temperature sensor of the present invention has no fan, it does not generate room noise even though the mounting position is attached near the room mirror.
Further, in the present invention, even if the room temperature is lowered by the operation of the air conditioner for accurate dephogging, the actual temperature of the glass surface temperature can be accurately detected regardless of the lowered room temperature.
The present invention provides a temperature and humidity detecting device for a vehicle, which can detect a precise temperature while attaching a sensor box to a glass surface without using a mount for miniaturization.
1 to 6 are respectively a front perspective view, a side view, a plan view, a rear view, an exploded view, and an XY line sectional view of the temperature and humidity detecting device for a fanless type vehicle according to a preferred embodiment of the present invention.
7 is a block diagram showing a control circuit of a temperature and humidity detection device for a fanless type vehicle according to a preferred embodiment of the present invention.
8 is a flow chart showing control of the temperature and humidity detection device for a fanless type vehicle according to a preferred embodiment of the present invention.
9 is a graph showing a relative humidity obtained by an acceleration program in a fanless type temperature / humidity detecting apparatus for a vehicle according to a preferred embodiment of the present invention.
10 is a graph showing a comparison between the measured humidity obtained by the temperature compensation program and the uncompensated humidity in the fanless type temperature and humidity detecting apparatus for a vehicle according to the preferred embodiment of the present invention.
FIG. 11 is a graph showing temperature measured when a heat-radiating sheet is applied and when it is not applied in a temperature-humidity detecting apparatus for a fanless type vehicle according to a preferred embodiment of the present invention.
12 is a graph showing a comparison of the humidity measured when using the CPU internal clock and the external clock in the fanless type temperature / humidity detecting apparatus for a vehicle according to the preferred embodiment of the present invention.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience.
1 to 6, a temperature and humidity detecting apparatus for a fanless type vehicle according to a preferred embodiment of the present invention includes a
The
The
An
The head of the
A plurality of
A reinforcing
The
The temperature and humidity detecting apparatus for a vehicle according to the present invention is attached to a windshield located at the front of a room mirror (not shown) of a vehicle, and a wire harness (not shown) drawn out from the
That is, the temperature / humidity detecting apparatus for a vehicle according to the present invention is fixed to the
When the
The temperature and
The compensating
The
Since the front end portion of the
The
On the other hand, in the conventional fog sensor, when the air conditioner (air conditioner) of the vehicle is operated, the room temperature and the compensation temperature of the vehicle are lowered as the air conditioner operation time elapses. However, even in this case, the glass surface temperature sensor is required to detect the actual temperature (outside temperature) of the glass surface, but if the actual room temperature falls similarly to the room temperature and the compensation temperature, There is a problem of detecting the lowered temperature due to the influence of the temperature.
In order to solve such a problem, the present invention provides a composite sheet in which a heat-radiating sheet alone, a heat-radiating sheet and a thin-film heat-insulating sheet laminated in a horizontal direction with excellent thermal diffusing function, and a composite sheet sandwiched between a pair of heat- Can be attached to at least one of the one side surface, the other side surface, or the inner surface of the cover (20) of the printed circuit board (PCB) (35)
The heat-radiating sheet may be a graphite sheet having excellent thermal diffusion function in the horizontal direction, aluminum (Al), copper (Cu) or silver (Ag) foil as a thin metal plate having excellent thermal conductivity. As the thin insulating sheet, A porous nanofiber web formed by integrating nanofibers obtained by electrospinning a polymer, a metal thin film having a high specific resistance, an amorphous thin plate magnetic sheet, a thin sheet of FeCrAl, or the like.
When the
If the indoor air of the vehicle is blocked by using the
In the present invention, when the glass surface temperature detected from the glass
Further, in the related art, measurement data is transmitted to an air conditioning control device by measuring the room temperature by an in-car sensor using a fan and an aspiration motor. In the present invention, however, It is possible to accurately detect the ambient temperature around the driver in a simple and fan-free manner by the
Hereinafter, the control circuit of the fanless type temperature / humidity sensing device for a vehicle according to the preferred embodiment of the present invention will be described with reference to FIG.
The control circuit of the temperature and humidity detection device for a fanless type vehicle according to the preferred embodiment of the present invention includes a
Further, the control circuit is provided with a reverse
The sensing of the room temperature, the glass surface temperature, and the compensation temperature by the
When the clock signal SCL is applied to the temperature /
When the humidity value detected by the
The control operation of the temperature and humidity detection device for a fanless type vehicle according to the present invention will be described below with reference to FIG.
When the humidity data detected by the temperature /
In the present invention, when the first humidity data, the second humidity data, the third humidity data, and the fourth humidity data are sequentially received according to the acceleration program (S12), data processing is performed as described below to obtain an average value of the received humidity data .
[Equation 1]
Average value = first humidity data + 4 占 (first humidity data - fourth humidity data) + (second humidity data - third humidity data)
That is, when the average of four humidity data periodically detected by the temperature /
9 shows the humidity data graph (1) applied with the acceleration program and the humidity data graph (3) when the acceleration program is not applied, and the humidity data graph (1) using the acceleration program is shown in It can be seen that the response is quick.
That is, in the humidity data graph (◆) in the case where the acceleration program is not applied, the humidity value changes from 80% to about 53% over 40 seconds, but the humidity data graph (■) The humidity value falls from 80% to about 53% within a second.
Then, the
If the temperature is > 30 DEG C or the temperature < -10 DEG C, the temperature compensation according to the following formula (2) is performed.
&Quot; (2) "
Temperature Compensation = Humidity - (Temperature × C)
C is a constant determined according to the temperature deviation value described in the data sheet issued by the manufacturer of the temperature /
The setting of 30 ° C or higher and -10 ° C or lower, which is a condition for applying the above temperature / compensation program, is obtained by experiments.
When the temperature compensation is performed as described above, the accuracy% RH error rate of the temperature / humidity sensor can be reduced. The humidity measurements for the temperature / compensation program described above were based on humidity using an EE33 humidity calibration device.
FIG. 10 shows graphs of the reference data obtained by using the EE33 humidity calibration apparatus () at 70 ° C., the humidity data graph (FIG. 1) of the temperature-compensated
The on / humidity data subjected to the acceleration processing and the temperature compensation signal processing as described above is then output to the
(Example 1)
The air conditioner (air conditioner) is operated and then the temperature and humidity sensor 34 (or the air conditioner) is turned on the other side (that is, the driver side direction) of the printed circuit board (PCB) 35 by using the graphite sheet as the
The measured temperature ()) of the
11, the measured temperature (×) of the
(X) of the
On the other hand, when the
The glass
(Example 2)
When the error rate of the temperature and humidity sensor obtained from the market is used as the internal clock by the microprocessor (CPU) used as the
In the present invention, a microprocessor (CPU) used as the
FIG. 12 shows graphs of the reference data (?) Obtained by using the EE33 humidity calibration apparatus when the temperature is 70 占 폚, the humidity data graph (?) Obtained when the external clock is operated, the humidity data graph .
Referring to FIG. 12, it can be seen that the humidity data obtained when operating the external clock shows a change closer to the graph of the reference data obtained using the EE33 humidity calibration device than the humidity data obtained when operating the internal clock.
Therefore, it is preferable to use an external clock for the CPU in order to increase the humidity accuracy.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the embodiments set forth herein. Various changes and modifications may be made by those skilled in the art.
The present invention is applied to a temperature and humidity detecting device for a fanless type vehicle that can detect an indoor temperature of a vehicle without generating noises without using an exhausting fan.
1: windshield 10: body case
11: aperture 12:
13: receiving groove 14: second through hole
15: engaging groove 16: first through hole
20: cover 21: hook
22: reinforcing rib 23: connector
24: elastic member 30: sensor assembly
31: indoor temperature sensor 32: glass surface temperature sensor
33: Temperature sensor for compensation 34: Temperature and humidity sensor
35: PCB 36: heat shield sheet
40: double-sided tape 51: control unit
52: Oscillator 54: Frequency converter
55: reverse voltage prevention diode 56: constant voltage circuit
60: Climate control device (CCM)
Claims (14)
And a sensor assembly received within the case,
The sensor assembly includes:
A printed circuit board supported within the accommodating space with a gap therebetween;
A lead-type indoor temperature sensor which is mounted at one end of the printed circuit board and part of the head is exposed to the interior space of the vehicle through the first through hole to sense the room temperature;
Wherein the lead frame is made of an insulating film type structure in which a lead and a head are laminated with a thin film by an insulating film, one end of the lead frame is laminated on one side of the printed circuit board, A glass surface temperature sensor for sensing temperature;
A temperature and humidity sensor mounted on the other side of the printed circuit board facing the second through hole to sense temperature and humidity around the glass surface;
A temperature sensor for compensating the temperature of the periphery of the temperature / humidity sensor so as to be used when calculating the dew point temperature in the air conditioning control apparatus mounted on the other side of the printed circuit board; And
A control unit for receiving the temperature and humidity data sensed by the temperature and humidity sensor and generating humidity data compensated by an acceleration process and a temperature compensation process for obtaining a quick response by averaging a plurality of humidity data periodically detected; Temperature humidity detection device for a vehicle.
And a heat insulating sheet attached to at least one of the one side surface and the other side surface of the printed circuit board and the inner side of the windshield side of the case to shield heat applied to the glass surface temperature sensor by the room air of the vehicle And a temperature sensor for detecting temperature of the vehicle.
Wherein the heat insulating sheet comprises one of a heat dissipating sheet alone, a composite sheet in which a heat dissipating sheet and a heat insulating sheet are laminated, and a composite sheet in which a heat insulating sheet is sandwiched between a pair of heat dissipating sheets.
The case has one open receiving groove toward the window on a protruding portion on one side,
Wherein the glass surface temperature sensor is resiliently supported on a front surface of the receiving groove whose tip end portion is opened, and is brought into close contact with the windshield.
Further comprising an elastic member inserted and supported in the receiving groove to elastically support the front end of the glass surface temperature sensor on the glass surface.
Wherein the sensor assembly further comprises a frequency converter for converting the compensated humidity data received from the control unit into a frequency signal and transmitting the frequency signal to an air conditioning control device.
Further comprising a filter provided inside the case having the second through-hole formed therein for filtering the air that enters from the inside space of the vehicle through the receiving space.
Wherein the temperature compensation process is performed in consideration of a temperature deviation value of the temperature / humidity sensor.
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KR20220099604A (en) * | 2021-01-06 | 2022-07-14 | 주식회사 디쌤 | Automatic temperature recorder for transport box |
KR102474834B1 (en) * | 2022-01-20 | 2022-12-07 | (주)우리젠 | Building management systems including window-mounted environmental sensors |
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DE102019109575A1 (en) * | 2019-04-11 | 2020-10-15 | Valeo Schalter Und Sensoren Gmbh | Sensor unit for vehicles |
CN112444282A (en) * | 2019-08-29 | 2021-03-05 | 浙江三花智能控制股份有限公司 | Sensor, heat exchanger and heat exchange system |
KR102290433B1 (en) * | 2019-11-26 | 2021-08-13 | 주식회사 경신 | Rain-sensor unit for vehicle |
KR102566252B1 (en) * | 2021-02-23 | 2023-08-11 | 암페놀센싱코리아 유한회사 | Auto defog sensor |
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KR100710868B1 (en) * | 2005-11-21 | 2007-04-25 | 주식회사 오토전자 | Aparatus for detecting a window fogging status |
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KR102474834B1 (en) * | 2022-01-20 | 2022-12-07 | (주)우리젠 | Building management systems including window-mounted environmental sensors |
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KR20170002995A (en) | 2017-01-09 |
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