WO2019026638A1 - センサユニットおよび空気調和機 - Google Patents
センサユニットおよび空気調和機 Download PDFInfo
- Publication number
- WO2019026638A1 WO2019026638A1 PCT/JP2018/027176 JP2018027176W WO2019026638A1 WO 2019026638 A1 WO2019026638 A1 WO 2019026638A1 JP 2018027176 W JP2018027176 W JP 2018027176W WO 2019026638 A1 WO2019026638 A1 WO 2019026638A1
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- WIPO (PCT)
- Prior art keywords
- unit
- sensor
- radar
- sensor unit
- air conditioner
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
Definitions
- the present invention relates to a sensor unit and an air conditioner.
- a conventional sensor unit includes a casing and a Doppler sensor in which a sensor surface is disposed at a predetermined distance from the casing (see Patent Document 1).
- the distance between the casing and the sensor surface of the Doppler sensor is determined so as to reduce the influence of the reflected wave emitted from the Doppler sensor and reflected by the casing on the detection accuracy of the Doppler sensor. .
- an air conditioner there is an air conditioner provided with an indoor unit having a built-in Doppler sensor for detecting biological information (see, for example, International Publication No. 2016/181546 (Patent Document 2)).
- the air conditioner includes a controller that controls the Doppler sensor, and transmits the biological information detected by the Doppler sensor to the outside through the communication interface connected to the controller. This makes it possible to use detection information of the Doppler sensor outside.
- the attachment structure of the Doppler sensor to the casing is not sufficiently considered. Therefore, in the above-described conventional sensor unit, the distance between the casing and the sensor surface of the Doppler sensor may fluctuate due to vibration or the like, and the detection accuracy of the Doppler sensor may be reduced.
- the subject of this invention is providing the sensor unit which can suppress the fall of the detection precision of a radar in the sensor unit which has a radar as a sensor.
- the subject of this invention is providing the air conditioner which can transmit the detection information of a radar outside, even if the control part of an indoor unit fails.
- a sensor unit is With the radar, A substrate on which the above radar is mounted, A cover member that covers the radar and the substrate; And a mounting member for mounting the substrate to the cover member such that the transmitting and receiving surface of the radar is disposed at a predetermined distance from the cover member.
- the substrate on which the radar is mounted is attached to the cover member by the attachment member such that the transmission / reception surface of the radar and the cover member are disposed at a predetermined interval. For this reason, the fall of the detection accuracy of a radar can be suppressed by maintaining the predetermined space
- the transmission and reception surface of the radar and a portion of the cover member facing the radar are parallel.
- the radio wave emitted from the transmitting and receiving surface of the radar is perpendicularly incident on the cover member, so that the radio wave can be prevented from being refracted by the cover member and the propagation direction of the radio wave can be prevented from being disturbed. Therefore, it is possible to prevent the detection accuracy of the radar from being reduced by the cover member.
- a detection range expansion unit is provided to expand the detection range of the radar.
- the detection range expanding unit expands the detection range of the radar, so that a wide range of objects to be detected can be detected.
- the detection range enlargement unit is provided on the cover member.
- the mounting member can maintain the relative position between the detection range expansion part and the transmitting and receiving surface of the radar.
- the positional relationship between the transmission / reception surface of the radar and the detection range expanding portion is prevented from being broken and the propagation direction of the radio wave is prevented from being disturbed, so that a desired detection range can be obtained.
- An air conditioner is An indoor unit having an indoor control unit; A sensor unit connected to the indoor control unit; The above sensor unit Radar for detecting biological information; A radar control unit for controlling the above radar, And a wireless communication unit controlled by the radar control unit and wirelessly transmitting a signal representing the biological information detected by the radar.
- biological information detected by the radar there is biological information such as heart beat, respiration and body movement of the human body.
- a radar control unit for controlling the radar is provided separately from the indoor control unit for controlling the indoor unit, the radio control unit is controlled by the radar control unit, and the living body detected by the radar By wirelessly transmitting a signal representing information, even if the indoor control unit of the indoor unit fails, the radar control unit can control the radar, and the wireless communication unit can wirelessly transmit the radar detection information to the outside.
- a communication state display unit is provided to display the communication state of the wireless communication unit of the sensor unit.
- the user can visually confirm the communication state, and the convenience is improved.
- a detection state display unit is provided to display the detection state of the radar of the sensor unit.
- the user can visually confirm the detection state of the radar, and the convenience is improved.
- the radar can be directed in an optimal direction while confirming the detection state of the radar displayed on the detection state display unit when the sensor unit is installed.
- the sensor unit is separate from the indoor unit.
- the radar is not influenced by the rotation of the blower fan of the indoor unit and the vibration due to the louver operation.
- the radar detection accuracy can be improved compared to the case where the radar is built in.
- optimal air conditioning control can be performed.
- the sensor unit is separate from the indoor unit, the degree of freedom of installation is expanded, and the sensor unit can be installed with the detection direction of the radar having a relatively narrow detection range directed to the optimum direction.
- the indoor unit and the sensor unit are connected by wiring, The indoor control unit of the indoor unit and the radar control unit of the sensor unit communicate via the wiring.
- the indoor unit and the sensor unit are connected via the wiring, and the indoor control unit of the indoor unit and the radar control unit of the sensor unit communicate with each other via the wiring, compared with wireless communication etc.
- the responsiveness is improved, and since it is sufficient to connect the wiring at the time of installation, there is no bother in connection setting of wireless communication and the like.
- the sensor unit is supplied with power from the indoor unit via a power supply line included in the wiring.
- the substrate on which the radar is mounted is covered by the attachment member so that the transmission / reception surface of the radar and the cover member are disposed at a predetermined interval.
- a radar control unit for controlling the radar is provided separately from the indoor control unit for controlling the indoor unit, and the wireless communication unit is controlled by the radar control unit and detected by the radar.
- FIG. 1 is a perspective view of a sensor unit according to a first embodiment of the present invention.
- FIG. 2 is an exploded perspective view of the sensor unit.
- FIG. 3 is a perspective view of the cover member.
- FIG. 4 is a front view of the sensor unit.
- FIG. 5 is a cross-sectional view taken along the line VV of FIG.
- FIG. 6 is a perspective view of the Doppler sensor and the sensor mounting board.
- FIG. 7 is a top view of the sensor unit.
- FIG. 8 is a view similar to FIG. 4 of the sensor unit of the second embodiment.
- FIG. 9 is an external view of an air conditioner according to a fourth embodiment of the present invention.
- FIG. 10 is a block diagram of the air conditioner.
- FIG. 11 is a perspective view of a sensor unit of the air conditioner.
- FIG. 12 is a perspective view of the sensor unit with the conical casing removed.
- FIG. 13 is an exploded perspective view of the sensor unit.
- FIG. 14
- FIG. 1 is a perspective view of a sensor unit 1 according to a first embodiment of the present invention
- FIG. 2 is an exploded perspective view of the sensor unit 1 according to the present embodiment.
- the sensor unit 1 includes a unit body 10, a fixing post 20 supporting the unit body 10, and a truncated cone shaped mounting portion 30 to which the lower end of the fixing post 20 is fixed.
- the unit body 10 includes a conical-shaped casing 11 and a cover member 12 that covers the front surface of the casing 11.
- the sensor unit 1 includes a Doppler sensor (Doppler radar, which is an example of a radar) 40, a sensor mounting substrate (substrate) 41, a control substrate 50, a display unit 51, and an operation unit 52. , Wireless module 53.
- the sensor unit 1 includes a Doppler sensor 40, a sensor mounting substrate 41, a control substrate 50, a display unit 51, an operation unit 52, and a wireless module 53 in an internal space covered by the casing 11 and the cover member 12. Is housed.
- FIG. 3 is a perspective view of the cover member 12, and FIG. 4 is a front view of the sensor unit 1. 5 is a cross-sectional view taken along the line VV of FIG.
- the cover member 12 is disk-shaped and made of a material that transmits radio waves such as polycarbonate or ABS resin.
- Four studs (attachment members) 13 are erected on one surface 12 a of the cover member 12. Referring to FIGS. 4 and 5, the cover member 12 is attached to the casing 11 so as to cover the Doppler sensor 40 and the sensor mounting substrate 41.
- the fixed support 20 is provided at its upper end with a universal joint 21 with a built-in harness.
- the universal joint 21 is fixed to the casing 11 using a mounting bracket (not shown).
- the universal joint 21 is an example of a mechanism capable of changing the detection range of the Doppler sensor 40.
- the mounting portion 30 includes a bottom cover 31 having a truncated cone shape and a bottom plate 32 covering the bottom cover 31.
- the bottom cover 31 is provided with a hole into which the lower end of the fixed support 20 can be inserted, and the fixed support 20 is fitted to the hole and fixed to the bottom cover 31.
- the sensor unit 1 is installed on a wall, a pillar or the like by the mounting unit 30.
- FIG. 6 is a perspective view of the Doppler sensor 40 and the sensor mounting board 41. As shown in FIG.
- the Doppler sensor 40 includes a flat sensor surface (transmission / reception surface) 40a.
- the sensor surface 40 a is provided with a transmitting antenna (not shown) for transmitting a radio wave and a receiving antenna (not shown) for receiving a radio wave.
- the frequency of the radio wave (transmission radio wave) transmitted from the transmission antenna is the frequency of the microwave band.
- the sensor mounting substrate 41 has a Doppler sensor 40 disposed at the center, and is electrically connected to the Doppler sensor 40 by a plurality of connector terminals 42. In addition, through holes 43 are provided at the four corners of the sensor mounting substrate 41.
- the sensor mounting substrate 41 is attached to the cover member 12 by inserting a screw (not shown) into the through hole 43 and screwing it with the stud 13 of the cover member 12. Referring to FIG. 5, the sensor mounting substrate 41 is attached to the cover member 12 such that the sensor surface 40 a of the Doppler sensor 40 is disposed at a predetermined distance from the cover member 12. Further, the sensor surface 40 a of the Doppler sensor 40 and the portion of the cover member 12 facing the Doppler sensor 40 are parallel.
- the control board 50 includes a display unit 51, an operation unit 52, and a wireless module 53.
- the control substrate 50 is connected to the sensor mounting substrate 41 by the wiring 60.
- the control substrate 50 is connected to an external device 62 such as a power supply or an indoor unit of an air conditioner by a wire harness 61 inserted through the fixed support 20. Further, the control board 50 is attached to the casing 11 by an attachment (not shown).
- FIG. 7 is a top view of the sensor unit 1.
- the display unit 51 is an LED light guide for guiding the light emitted from the LED mounted on the front surface of the control substrate 50 to the outside, and displays various information such as the detection condition by the Doppler sensor 40 and the communication condition by the wireless module 53. Do. With reference to FIGS. 4 and 7, a part of the display unit 51 is inserted into an opening provided at the top of the casing 11, and can be viewed from the outside of the casing 11.
- the operation unit 52 is a push button switch that can set activation and stop of the sensor unit 1 or the wireless module 53. Referring to FIGS. 4 and 7, the operation unit 52 is partially inserted into an opening provided at the top of the casing 11 and can be operated from the outside of the casing 11.
- the wireless module 53 is mounted on the control board 50 and is electrically connected to the control board 50 by connector terminals.
- the wireless module 53 transmits sensor information detected by the Doppler sensor 40 to, for example, a management server (not shown).
- a management server not shown.
- biological information such as heart beat, respiration and body movement of the human body.
- the sensor mounting substrate 41 on which the Doppler sensor 40 is mounted is the stud 13 so that the sensor surface 40 a of the Doppler sensor 40 and the cover member 12 are arranged at a predetermined interval. Are attached to the cover member 12. Therefore, by keeping the predetermined distance between the Doppler sensor 40 and the cover member 12 at the optimum distance, it is possible to suppress the decrease in detection accuracy of the Doppler sensor 40.
- the optimal distance indicates the distance between the sensor surface 40a of the Doppler sensor 40 and the cover member 12 in a state where the detection accuracy is good, and the material, thickness of the cover member 12, and the frequency of the transmission radio wave It is determined.
- the radio wave emitted from the sensor surface 40a of the Doppler sensor 40 is perpendicularly incident on the cover member 12. Therefore, it is possible to prevent the radio wave from being refracted by the cover member 12 and disturbing the propagation direction of the radio wave. Therefore, it is possible to prevent the detection accuracy of the Doppler sensor 40 from being reduced by the cover member 12.
- the sensor unit of the second embodiment of the present invention has the same configuration as the sensor unit of the first embodiment except for the cover member 12.
- FIG. 8 is a view similar to FIG. 4 of the sensor unit of the second embodiment.
- the same components as in FIGS. 1 to 7 are denoted by the same reference numerals.
- the cover member 12 of the sensor unit according to the second embodiment is provided with a detection range enlargement unit 70 that expands the detection range of the Doppler sensor 40.
- the detection range enlarging unit 70 is a deflection element such as a diffraction grating or a prism.
- the detection range expanding unit 70 expands the detection range of the Doppler sensor 40, so that a wide range of objects to be detected can be detected.
- the stud 13 is a relative position between the detection range expansion unit 70 and the sensor surface 40 a of the Doppler sensor 40.
- the positional relationship between the sensor surface 40a of the Doppler sensor 40 and the detection range expanding unit 70 is prevented from being broken and the propagation direction of the radio wave is prevented from being disturbed, so a desired detection range can be obtained.
- the sensor unit of the third embodiment of the present invention is the sensor unit of the first embodiment except that it has a single member having the function of the sensor mounting substrate 41 of the first embodiment and the function of the control substrate 50. It has the same configuration as that of FIG. Specifically, the sensor unit of the third embodiment includes a substrate on which the Doppler sensor 40 is mounted and attached to the stud 13 of the cover member 12, and the substrate includes the operation unit 52, the display unit 51, and wireless A module 53 is mounted.
- the studs 13 are provided integrally with the cover member 12.
- the present invention is not limited to this.
- the studs 13 and the cover member 12 may be separated.
- the frequency of the transmission radio wave of the Doppler sensor 40 is the frequency of the microwave band, but is not limited thereto, and may be the frequency of the millimeter wave band.
- the Doppler sensor 40 may be a frequency modulated continuous wave (FM-CW) Doppler radar, or may be another type of Doppler radar.
- FM-CW frequency modulated continuous wave
- the Doppler radar is used as an example of the radar, but other radars may be used.
- the other radars include pulse radar, CW (Continuous Wave) radar, FM-CW radar and the like.
- FIG. 9 is an external view of an air conditioner according to a fourth embodiment of the present invention.
- the air conditioner according to the fourth embodiment includes, as shown in FIG. 9, an indoor unit 100, a sensor unit 200 separate from the indoor unit 100, and an outdoor unit (not shown) connected to the indoor unit 100. There is.
- the indoor unit 100 is installed on the upper side of the wall surface 1001 in the room, and is connected to an outlet 1002 provided on the same wall surface 1001 via a power cable 1010.
- the sensor unit 200 is installed below the indoor unit 100 of the wall surface 1001.
- the sensor unit 200 is connected to the indoor unit 100 via a cable 1020.
- the cable 1020 is an example of wiring.
- the sensor unit 200 is not limited to a wall surface, and may be installed on a ceiling.
- FIG. 10 shows a block diagram of the air conditioner.
- the same components as in FIG. 9 are assigned the same reference numerals.
- the indoor unit 100 includes a power supply unit 1101 and an indoor control unit 1102 that controls a blower fan (not shown) and the like.
- the sensor unit 200 also includes a Doppler sensor 1201 as an example of a radar, a sensor control unit 1202 that controls the Doppler sensor 1201, and a wireless communication unit 1203.
- the sensor control unit 1202 transmits a control signal for controlling the operation of the indoor unit 100 based on the biological information detected by the Doppler sensor 1201.
- the sensor control unit 1202 is an example of a radar control unit.
- the wireless communication unit 1203 communicates with a portable information terminal (for example, a smartphone) or a server via a wireless adapter or the like (not shown) using WiFi (registered trademark) which is a wireless LAN standard as an example of a communication standard. Note that other communication standards such as Bluetooth (registered trademark) may be used instead of WiFi. Also, the wireless communication unit 1203 may directly communicate with the portable information terminal.
- WiFi registered trademark
- WiFi registered trademark
- Bluetooth registered trademark
- the Doppler sensor 1201 uses an FM-CW (Frequency Modulated Continuous Wave) Doppler radar.
- FM-CW Frequency Modulated Continuous Wave
- the Doppler sensor 1201 When microwave (or millimeter wave) frequency-modulated from the Doppler sensor 1201 is emitted to the human body and the distance between the human body and the Doppler sensor 1201 changes, the reflected wave reflected by the human body changes due to the Doppler effect.
- the reflected wave from the human body is received by the Doppler sensor 1201, and the signal of the received reflected wave is processed by the sensor control unit 1202 to detect biological information such as heartbeat, respiration, and body movement of the human body.
- a cable 1020 connecting the indoor unit 100 and the sensor unit 200 has a signal line 1020a and a power supply line 1020b.
- the sensor control unit 1202 is connected to the indoor control unit 1102 via a signal line 1020 a.
- the sensor unit 200 is supplied with power from the power supply unit 1101 of the indoor unit 100 via the power supply line 1020 b.
- FIG. 11 shows a perspective view of the sensor unit 200. As shown in FIG. 11
- the sensor unit 200 has a unit body 1210, a fixing post 1220 for supporting the unit body 1210, and a truncated cone shaped mounting portion 1230 to which the lower end of the fixing post 1220 is fixed.
- the unit body 1210 has a conical casing 1211 and a cover member 1212 that covers the front of the casing 1211.
- FIG. 12 shows a perspective view of the sensor unit 200 in a state in which the conical casing 1211 is removed.
- the same components as in FIG. 11 are assigned the same reference numerals.
- a universal joint 1221 with a built-in harness is provided at the upper end of the fixed support 1220.
- the universal joint 1221 is fixed to the casing 1211 using a mounting bracket (not shown).
- the universal joint 1221 is an example of a mechanism capable of changing the detection range of the Doppler sensor 1201.
- FIG. 13 is an exploded perspective view of the sensor unit 200.
- the same components as in FIGS. 11 and 12 are assigned the same reference numerals.
- the sensor mounting substrate 1214 on which the Doppler sensor 1201 is mounted is provided via four studs 1213 (only one is shown in FIG. 13) erected on the back surface side of the cover member 1212. It is fixed to the cover member 1212. Further, the unit control board 1215 is fixed to a mounting bracket (not shown).
- the unit control board 1215 has a sensor control unit 1202 (shown in FIG. 10). The sensor mounting substrate 1214 and the unit control substrate 1215 are connected via a wire (not shown).
- a wireless module that is a wireless communication unit 1203 is mounted.
- the push button switch 1218 and the light guide 1217 are mounted on the front and upper side of the unit control board 1215.
- the light guide 1217 guides the light emitted from the light emitting diodes LED1 and LED2 mounted on the front surface of the unit control board 1215 to the outside.
- the light guide 1217 has a communication state display unit 1217 a that lights up with light emitted from the light emitting diode LED 1 and a detection state display unit 1217 b that lights up with light emitted from the light emitting diode LED 2.
- the communication status display unit 1217 a displays the communication status by the wireless communication unit 1203, and the detection status display unit 1217 b displays the detection status by the Doppler sensor 1201.
- the communication state display unit 1217 a and the detection state display unit 1217 b of the light guide 1217 are inserted in the opening provided in the upper part of the casing 1211 and can be visually recognized from the outside.
- activation and stop of the sensor unit 200 and the wireless communication unit 1203 are set by the push button switch 1218.
- a part of the push button switch 1218 is inserted into an opening provided at the top of the casing 1211 and can be operated from the outside.
- the mounting portion 1230 has a truncated cone-shaped bottom cover 1203a whose bottom opens, and a bottom plate 1203b covering the bottom cover 1203a.
- the cable 1020 (shown in FIG. 9) is inserted into the fixed support 1220 via the mounting portion 1230, and the distal end of the cable 1020 is connected to the unit control board 1215 via the universal joint 1221.
- the sensor control unit 1202 for controlling the Doppler sensor 1201 is provided separately from the indoor control unit 1102 for controlling the indoor unit 100, and the sensor control unit 1202 controls the wireless communication unit 1203. And wirelessly transmit a signal representing the biological information detected by the Doppler sensor 1201. Therefore, even if the indoor control unit 1102 of the indoor unit 100 breaks down, the sensor control unit 1202 can control the Doppler sensor 1201, and the wireless communication unit 1203 can wirelessly transmit detection information of the Doppler sensor 1201 to the outside.
- the user can visually confirm the communication state, and the convenience is improved.
- the communication state (communication on / off, radio wave intensity, communication speed, connection mode, etc.) of the wireless communication unit 1203 is displayed by blinking or color change of the communication state display unit 1217a.
- the user can visually confirm the detection state of the Doppler sensor 1201, and the convenience is improved.
- the Doppler sensor 1201 is directed in the optimum direction while confirming the detection state of the Doppler sensor 1201 displayed on the detection state display unit 1217b. It can be turned.
- the detection state of the Doppler sensor 1201 is displayed by blinking or color change of the detection state display unit 1217b.
- the detection state display unit 1217b and the detection state display unit 1217b are lighted by the light emitting diodes LED1 and LED2.
- the detection state display unit and the detection state display unit are not limited thereto, and a liquid crystal display element etc. May be used.
- the detection accuracy of the Doppler sensor 1201 can be improved as compared with the case where the indoor unit 100 incorporates the Doppler sensor.
- the sensor control unit 1202 transmits a control signal to the indoor unit 100.
- the air conditioner By controlling the operation of the air conditioner, optimal air conditioning control is possible.
- the sensor unit 200 is separate from the indoor unit 100, the degree of freedom of installation is expanded, and the sensor unit 200 is installed with the detection direction of the Doppler sensor 1201 having a relatively narrow detection range directed to the optimum direction. be able to.
- the indoor unit 100 and the sensor unit 200 are connected via the cable 1020 (wiring), and the indoor control unit 1102 of the indoor unit 100 and the sensor control unit 1202 of the sensor unit 200 are included in the cable 1020 (wiring).
- Communication is performed with each other via the signal line 1020a, so that responsiveness can be improved as compared with wireless communication and the like, and only connection of the cable 1020 at the time of installation is required, so that connection setting of wireless communication and the like is not bothersome.
- the unit main body 1210 which is the mounting portion of the Doppler sensor 1201 can be rotatably supported by the universal joint 1221, so that the detection direction of the Doppler sensor 1201 can be oriented more optimally.
- the FM-CW Doppler sensor 1201 is used as an example of the radar, but the radar is not limited to this, and pulse radar, CW (Continuous Wave; connection wave) radar, FM-CW radar, FM -Other Doppler radars may be used except the CW method.
- FIG. 14 shows a block diagram of an air conditioner according to a fifth embodiment of the present invention.
- the air conditioner according to the fifth embodiment has the same configuration as the air conditioner according to the fourth embodiment except that the sensor unit 400 is mounted in the indoor unit 300, and the same components as those in the fourth embodiment are used. Have the same reference numerals.
- the indoor unit 300 includes a power supply unit 1101, an indoor control unit 1102 that controls a blower fan (not shown) and the like, and a sensor unit 400.
- the sensor unit 400 includes a Doppler sensor 1201, a sensor control unit 1202 that controls the Doppler sensor 1201, and a wireless communication unit 1203.
- the sensor control unit 1202 transmits a control signal for controlling the operation of the indoor unit 100 based on the biological information detected by the Doppler sensor 1201.
- the indoor unit 300 further includes a communication state display unit (not shown) for displaying the communication state of the wireless communication unit 1203 of the sensor unit 400 and a detection state display unit for displaying the detection state of the Doppler sensor 1201 of the sensor unit 400. (Not shown).
- the air conditioner of the fifth embodiment has the same effect as the air conditioner of the fourth embodiment.
- the sensor unit of the air conditioner according to the sixth embodiment of the present invention has the same configuration as the sensor unit 200 according to the fourth embodiment except for the image sensor, and FIGS. 9 to 13 are referred to.
- the sensor unit of the air conditioner according to the sixth embodiment has a Doppler sensor 1201, a sensor control unit 1202, and an image sensor.
- a sensor control unit 1202 controls the Doppler sensor 1201 and an image sensor.
- each sensor is not good at providing the image sensor that detects the physical quantity different from the physical quantity (biometric information such as the heartbeat, respiration, body movement of the human body) detected by the Doppler sensor 1201 By compensating for each other, it becomes possible to accurately determine the indoor situation.
- the image sensor can detect the number of people in the room based on the captured image, or can identify an individual by face recognition or the like.
- the image sensor may have a reduced (or undetectable) detection capability in the dark, or may not be able to detect an obstruction.
- biological information such as heart beat, respiration and body movement of the human body can be detected even in the dark, and even if there is a shield, it is made of a material that transmits microwaves (or millimeter waves). If it is a shielding object, it is detectable.
- the air conditioner according to the seventh embodiment of the present invention has the same configuration as the air conditioner according to the fourth embodiment except for the image sensor of the sensor unit and the pyroelectric sensor, and FIGS. 9 to 13 are referred to. .
- the air conditioner according to the seventh embodiment includes the image sensor and the pyroelectric sensor for detecting a physical quantity different from the physical quantity detected by the Doppler sensor 1201 (biological information such as heart rate, respiration and body movement of the human body). It is possible to accurately determine the indoor condition by compensating each other for which each sensor is not good.
- a pyroelectric sensor which is an example of an infrared sensor, can detect a change in infrared light in a wide range as compared with the Doppler sensor 1201 or an image sensor.
- the air conditioner in which the indoor unit 100 and the sensor unit 200 are connected by the cable 1020 has been described in the fourth, sixth, and seventh embodiments, the air conditioner in which the indoor unit and the sensor unit are wirelessly connected is described The invention may be applied.
- Power cable 1020 ... Cable 1020a ... Signal line 1020b ... Power supply line 1101 ... Power supply unit 1102 ... Indoor control unit 1201 ... Doppler sensor (radar) 1202 ... sensor control unit (radar control unit) 1203 ... Wireless communication unit 1210 ... Unit main body 1211 ... Casing 1212 ... Cover member 1213 ... Stud 1214 ... Sensor mounting board 1215 ... Unit control board 1217 ... Light guide 1217a ... Communication status display section 1217b ... Detection status display section 1218 ... Push button Switch 1220 ... Fixed post 1221 ... Universal joint 1230 ... Installation part LED1, LED2 ... Light emitting diode
Abstract
Description
レーダーと、
上記レーダーが搭載された基板と、
上記レーダーと、上記基板とを覆うカバー部材と、
上記レーダーの送受信面が、上記カバー部材から所定の間隔をあけて配置されるように、上記基板を上記カバー部材に取り付けるための取付部材と
を備えることを特徴とする。
上記レーダーの上記送受信面と、上記カバー部材の上記レーダーと対向する部分とが平行である。
上記レーダーの検出範囲を拡大する検出範囲拡大部を備える。
上記検出範囲拡大部は、上記カバー部材に設けられている。
室内制御部を有する室内ユニットと、
上記室内制御部に接続されたセンサユニットと
を備え、
上記センサユニットは、
生体情報を検出するためのレーダーと、
上記レーダーを制御するレーダー制御部と、
上記レーダー制御部により制御され、上記レーダーにより検出された上記生体情報を表す信号を無線送信する無線通信部と
を有することを特徴とする。
上記センサユニットの上記無線通信部の通信状態を表示する通信状態表示部を備える。
上記センサユニットの上記レーダーの検知状態を表示する検知状態表示部を備える。
上記センサユニットは、上記室内ユニットと別体である。
上記室内ユニットと上記センサユニットは、配線で接続され、
上記室内ユニットの上記室内制御部と上記センサユニットの上記レーダー制御部は、上記配線を介して通信を行う。
上記センサユニットは、上記室内ユニットから上記配線に含まれる電源線を介して給電される。
図1は、この発明の第1実施形態のセンサユニット1の斜視図であり、図2は、本実施形態のセンサユニット1の分解斜視図である。
この発明の第2実施形態のセンサユニットは、カバー部材12を除いて第1実施形態のセンサユニットと同一の構成をしている。図8は、第2実施形態のセンサユニットの図4と同様の図である。図8において、図1~図7と同一の構成部には同一の参照符号を付している。
この発明の第3実施形態のセンサユニットは、第1実施形態のセンサ実装基板41の機能と制御基板50の機能とを有する単一の部材を備えた点を除いて第1実施形態のセンサユニットと同一の構成をしており、図1を援用する。具体的には、第3実施形態のセンサユニットは、ドップラーセンサ40が搭載されてカバー部材12のスタッド13に取り付けられた基板を備え、上記基板は、操作部52と、表示部51と、無線モジュール53とが搭載されている。
図9はこの発明の第4実施形態の空気調和機の外観図を示している。
図14はこの発明の第5実施形態の空気調和機のブロック図を示している。この第5実施形態の空気調和機は、室内ユニット300内にセンサユニット400を搭載している点を除いて第4実施形態の空気調和機と同一の構成をしており、同一の構成部には同一参照番号を付している。
この発明の第6実施形態の空気調和機のセンサユニットは、画像センサを除いて第4実施形態のセンサユニット200と同一の構成をしており、図9~図13を援用する。
この発明の第7実施形態の空気調和機は、センサユニットの画像センサと焦電センサを除いて第4実施形態の空気調和機と同一の構成をしており、図9~図13を援用する。
10…ユニット本体
11…ケーシング
12…カバー部材
13…スタッド(取付部材)
20…固定支柱
21…自在継手
30…据付部
31…底カバー
32…底板
40…ドップラーセンサ(レーダー)
40a…センサ面(送受信面)
41…センサ実装基板
42…コネクタ端子
43…貫通孔
50…制御基板
51…表示部
52…操作部
53…無線モジュール
60…配線
61…ワイヤハーネス
62…外部機器
70…検出範囲拡大部
100,300…室内ユニット
200,400…センサユニット
1001…壁面
1002…コンセント
1010…電源ケーブル
1020…ケーブル
1020a…信号線
1020b…電源線
1101…電源部
1102…室内制御部
1201…ドップラーセンサ(レーダー)
1202…センサ制御部(レーダー制御部)
1203…無線通信部
1210…ユニット本体
1211…ケーシング
1212…カバー部材
1213…スタッド
1214…センサ実装基板
1215…ユニット制御基板
1217…導光体
1217a…通信状態表示部
1217b…検知状態表示部
1218…押ボタンスイッチ
1220…固定支柱
1221…自在継手
1230…据付部
LED1,LED2…発光ダイオード
Claims (10)
- レーダー(40)と、
上記レーダー(40)が搭載された基板(41)と、
上記レーダー(40)と、上記基板(41)とを覆うカバー部材(12)と、
上記レーダー(40)の送受信面(40a)が、上記カバー部材(12)から所定の間隔をあけて配置されるように、上記基板(41)を上記カバー部材(12)に取り付けるための取付部材(13)と
を備えることを特徴とする、センサユニット(1)。 - 請求項1に記載のセンサユニット(1)において、
上記レーダー(40)の上記送受信面(40a)と、上記カバー部材(12)の上記レーダー(40)と対向する部分とが平行であることを特徴とする、センサユニット(1)。 - 請求項1または2に記載のセンサユニット(1)において、
上記レーダー(40)の検出範囲を拡大する検出範囲拡大部(70)を備えることを特徴とする、センサユニット(1)。 - 請求項3に記載のセンサユニット(1)において、
上記検出範囲拡大部(70)は、上記カバー部材(12)に設けられていることを特徴とする、センサユニット(1)。 - 室内制御部(1102)を有する室内ユニット(100,300)と、
上記室内制御部(1102)に接続されたセンサユニット(200,400)と
を備え、
上記センサユニット(200,400)は、
生体情報を検出するためのレーダー(1201)と、
上記レーダー(1201)を制御するレーダー制御部(1202)と、
上記レーダー制御部(1202)により制御され、上記レーダー(1201)により検出された上記生体情報を表す信号を無線送信する無線通信部(1203)と
を有することを特徴とする、空気調和機。 - 請求項5に記載の空気調和機において、
上記センサユニット(200,400)の上記無線通信部(1203)の通信状態を表示する通信状態表示部(1217a)を備えることを特徴とする、空気調和機。 - 請求項5または6に記載の空気調和機において、
上記センサユニット(200,400)の上記レーダー(1201)の検知状態を表示する検知状態表示部(1217b)を備えることを特徴とする、空気調和機。 - 請求項5から7のいずれか1つに記載の空気調和機において、
上記センサユニット(200)は、上記室内ユニット(100)と別体であることを特徴とする、空気調和機。 - 請求項8に記載の空気調和機において、
上記室内ユニット(100)と上記センサユニット(200)は、配線(1020)で接続され、
上記室内ユニット(100)の上記室内制御部(1102)と上記センサユニット(200)の上記レーダー制御部(1202)は、上記配線(1020)を介して通信を行うことを特徴とする、空気調和機。 - 請求項9に記載の空気調和機において、
上記センサユニット(200)は、上記室内ユニット(100)から上記配線(1020)に含まれる電源線(1020b)を介して給電されることを特徴とする、空気調和機。
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