CN111811664A - Presence type human body induction sensor - Google Patents
Presence type human body induction sensor Download PDFInfo
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- CN111811664A CN111811664A CN202010755415.5A CN202010755415A CN111811664A CN 111811664 A CN111811664 A CN 111811664A CN 202010755415 A CN202010755415 A CN 202010755415A CN 111811664 A CN111811664 A CN 111811664A
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- infrared sensor
- sensor probe
- fresnel lens
- transducer according
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- 230000006698 induction Effects 0.000 title abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 58
- 206010004966 Bite Diseases 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 230000003068 static effect Effects 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
- G01J5/0025—Living bodies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0205—Mechanical elements; Supports for optical elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0806—Focusing or collimating elements, e.g. lenses or concave mirrors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses a presence type human body induction sensor which comprises an infrared sensor probe, a bearing part for the infrared sensor probe to be arranged, a motor, a rotary shielding plate and a Fresnel lens, wherein the infrared sensor probe is arranged below the Fresnel lens, the motor is connected with the rotary shielding plate, the rotary shielding plate is arranged between the infrared sensor probe and the Fresnel lens, and the motor is used for driving the rotary shielding plate to rotate so that the infrared sensor probe is alternately changed in a shielding state and a non-shielding state. The invention further provides the existing human body induction sensor which can detect and induce static human bodies, so that the induction can be more accurate, and better use experience is brought to people.
Description
Technical Field
The invention relates to the field of sensors, in particular to a presence type human body induction sensor.
Background
Along with the development of society, the requirements of people on the quality of life are higher and higher, in order to make the life more convenient, people increasingly introduce lighting equipment in each occasion, the lighting energy consumption is also continuously increased, and in order to avoid the waste of energy, the intelligent lighting control is also increasingly applied to the daily life of people; the pyroelectric infrared sensor is increasingly applied to intelligent lighting control, but the pyroelectric infrared sensor only can work passively and cannot detect static objects, and when people are in a static state indoors, the pyroelectric infrared sensor cannot detect the existence of a human body, so that inconvenience is brought to people; in order to solve the problem, a human body detection sensor manufactured according to the principle of a life detector appears on the market, but the human body detection sensor is expensive in price and insensitive to detection, and the efficient and effective detection of a static human body cannot be realized.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the presence type human body induction sensor which can detect and sense a static human body, so that the induction can be more accurate, and better use experience is brought to people.
The existing human body induction sensor comprises an infrared sensor probe, a bearing part for the infrared sensor probe, a motor, a rotary shielding plate and a Fresnel lens, wherein the infrared sensor probe is arranged below the Fresnel lens, the motor is connected with the rotary shielding plate, the rotary shielding plate is arranged between the infrared sensor probe and the Fresnel lens, and the motor is used for driving the rotary shielding plate to rotate so that the shielding and non-shielding states of the infrared sensor probe are changed alternately.
The presence type human body induction sensor provided by the embodiment of the invention at least has the following beneficial effects: the infrared sensor probe is supported by the bearing part and is arranged below the Fresnel lens, and when the motor works, the motor drives the rotary shielding plate to rotate, and the rotary shielding plate is positioned between the infrared sensor and the Fresnel lens; fresnel lens both can play the focusing action, be about to release heat infrared signal refraction or reflection on the infrared sensor probe, can also divide into a plurality of bright district and dark space in the detection area, make the removal object that gets into the detection area can produce the heat with the form of temperature variation and release infrared signal with the change on the infrared sensor probe. The rotary shielding plate can enable the infrared sensor probe to be alternately switched between the shielded state and the unshielded state, the infrared sensor probe can be in a relative motion state relative to a static human body, the infrared sensor probe can detect a thermal radiation signal emitted by the static human body, the problem that a traditional infrared sensor cannot detect the static human body is solved, the sensing can be more accurate, and better use experience is brought to people.
According to some embodiments of the invention, the bearing part comprises a bottom plate, a supporting vertical plate arranged on the bottom plate, and a placing plate connected with one end of the supporting vertical plate far away from the bottom plate, and the infrared sensor probe is arranged on the placing plate.
According to some embodiments of the invention, further comprising a housing, the housing comprising a receiving slot, the base plate being mounted in the receiving slot.
According to some embodiments of the invention, the motor is disposed on the base plate.
According to some embodiments of the invention, the Fresnel lens module further comprises a lens mounting plate, the lens mounting plate is arranged at the upper end of the shell, a mounting slot is arranged on the lens mounting plate, and the Fresnel lens is mounted on the mounting slot.
According to some embodiments of the invention, the fresnel lens further comprises a panel, the panel is installed at the upper opening position of the shell, and a circle for exposing the fresnel lens is arranged on the panel.
According to some embodiments of the present invention, a first clamping interface and a second clamping interface are oppositely arranged at an edge position of an upper end of the housing, a first clamping block is oppositely arranged at an edge of the lens mounting plate, an elastic clamping block is oppositely arranged at an edge of the panel, the lens mounting plate is arranged at the upper end of the housing by clamping the first clamping block with the second clamping interface, and the panel is arranged at an opening position of the upper end of the housing by clamping the elastic clamping block with the first clamping interface.
According to some embodiments of the present invention, the infrared sensor further comprises a sensing signal processing chip and a trigger control circuit, wherein the infrared sensor probe, the sensing signal processing chip and the trigger control circuit are sequentially connected.
According to some embodiments of the present invention, the trigger control circuit includes a transistor, a relay, and a diode, the infrared sensor probe is connected to a detection signal input terminal of the sensing signal processing chip, a control output terminal of the sensing signal processing chip is connected to a base of the transistor, the relay is connected between a positive power supply and a collector of the transistor, a positive electrode of the diode is connected to the collector of the transistor, a negative electrode of the diode is connected to the positive power supply, and an emitter of the transistor is connected to a reference ground.
According to some embodiments of the invention, the model of the sensing signal processing chip is BISS 0001.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a presence-type human body sensor according to an embodiment of the present invention;
FIG. 2 is an exploded view of a presence-type body-sensing sensor in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a motor portion of a presence-type body-sensing sensor according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a carrying portion of an existing body sensor according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a panel structure of a presence-type human body sensor according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a lens mounting plate of a presence-type human body sensor according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a housing of a presence-type body-sensing sensor according to an embodiment of the present invention;
fig. 8 is a schematic circuit diagram of a presence-type human body sensor according to an embodiment of the present invention.
Reference numerals:
the lens mounting structure comprises a shell 100, a receiving groove 110, a first card interface 120, a second card interface 130, a panel 200, a circle 210, an elastic card block 220, a Fresnel lens 300, a bearing part 400, a bottom plate 410, a supporting vertical plate 420, a placing plate 430, an infrared sensor probe 500, a motor 600, a rotary shielding plate 700, a lens mounting plate 800, a mounting groove 810 and a first card block 820.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, etc., is indicated based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly defined, terms such as arrangement, connection and the like should be broadly construed, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the detailed contents of the technical solutions.
Referring to fig. 1-2, a presence type human body sensor according to an embodiment of the present invention includes an infrared sensor probe 500, a bearing portion 400 for disposing the infrared sensor probe 500, a motor 600, a rotary shielding plate 700, and a fresnel lens 300, where the infrared sensor probe 500 is disposed below the fresnel lens 300, the motor 600 is connected to the rotary shielding plate 700, the rotary shielding plate 700 is disposed between the infrared sensor probe 500 and the fresnel lens 300, and the motor 600 is configured to drive the rotary shielding plate 700 to rotate, so that states of the infrared sensor probe 500 that are shielded and not shielded are changed alternately. Infrared sensor probe 500 is supported by bearing part 400, and infrared sensor probe 500 sets up the below at fresnel lens 300, motor 600 is in work, it also rotates to drive rotatory shielding plate 700, and rotatory shielding plate 700 is in between infrared sensor 500 and fresnel lens 300, rotatory shielding plate 700 is the sector plate, thereby can make infrared sensor probe 500 be in by sheltering from with not switching over in turn between the state of sheltering from, make infrared sensor probe 500 can be in relative motion's state for static human body, thereby infrared sensor probe 500 can detect the heat radiation signal that static human body sent, and then solved traditional infrared sensor and can not detect the problem to static human body, make the sensing can be more accurate, give people and brought better use and experience.
Wherein the infrared sensor probe 500 is disposed below the optical center of the fresnel lens 300. The fresnel lens 300 can perform a focusing function, i.e., refract or reflect the pyroelectric infrared signal on the infrared sensor probe 500, and can also divide the detection area into a plurality of bright areas and dark areas, so that the mobile object entering the detection area can generate a variable pyroelectric infrared signal on the infrared sensor probe 500 in the form of temperature variation.
The rotary shielding plate 700 is a sector plate, so that the infrared sensor probe 500 can be alternately switched between a shielded state and an unshielded state, the infrared sensor probe 500 can be in a relative motion state relative to a static human body, and the infrared sensor probe 500 can detect a thermal radiation signal emitted by the static human body.
Wherein, the human body movement will bring the change of the infrared signal, and the infrared sensor probe 500 is sensitive to the changed signal, and then can detect the human body. However, when the human body is still, although the human body may emit an infrared signal, there is no change, and the infrared sensor probe 500 is insensitive to the infrared signal which is not changed or is not changed so that the infrared sensor probe 500 cannot detect the infrared signal. In the embodiment of the present invention, when a person enters a room, the infrared sensor probe 500 detects a human body signal, and the rotary shielding plate 700 starts to rotate; when the human body is still, the infrared signal of the human body is reflected on the infrared sensor probe 500 as a changed infrared signal after passing through the rotating rotary shielding plate 700. The infrared sensor probe 500 is sensitive to the changing infrared signal, so that the presence of a human body is detected. When the infrared sensor probe 500 does not detect the infrared signal of the human body after the human body leaves the room, the rotation of the rotary shielding plate 700 is stopped.
Referring to fig. 4, in some embodiments of the present invention, the carrier 400 includes a bottom plate 410, a supporting riser 420 disposed on the bottom plate 410, and a placement plate 430 connected to an end of the supporting riser 420 remote from the bottom plate 410, and the infrared sensor probe 500 is disposed on the placement plate 430. The supporting vertical plate 420 is provided on the base plate 410, and the placing plate 430 is provided in parallel with the base plate 410, so that the infrared sensor probe 500 is spaced apart from the base plate 410, thereby allowing the arrangement of the motor 600 and the rotary shutter 700 to be matched.
Referring to fig. 1, 2 and 7, in some embodiments of the present invention, the case 100 is further included, the case 100 includes a receiving groove 110, and a bottom plate 410 is installed in the receiving groove 110. The case 100 is provided with a receiving groove 110, and the base plate 410 can be mounted in the receiving groove 110, and the case 100 is a main body of the sensor and provides a placing space for internal components of the sensor.
Referring to fig. 2 and 3, in some embodiments of the invention, a motor 600 is disposed on the base plate 410. The motor 600 is disposed on the base plate 410 so that the motor 600 can be stably placed.
Referring to fig. 6, in some embodiments of the present invention, a lens mounting plate 800 is further included, the lens mounting plate 800 is disposed at an upper end of the housing 100, a mounting slot 810 is disposed on the lens mounting plate 800, and the fresnel lens 300 is mounted on the mounting slot 810. The fresnel lens 300 is supported by the lens mounting plate 800, so that the fresnel lens 300 can be placed more stably.
Referring to fig. 5, in some embodiments of the present invention, a panel 200 is further included, the panel 200 is installed at an upper opening position of the casing 100, and a circle 210 exposing the fresnel lens 300 is disposed on the panel 200. The panel 200 is installed at the upper end opening position of the housing 100, so that the panel 200 can well protect the circuit inside the sensor, and the circle 210 is left for the fresnel lens 300 to be exposed, thereby monitoring the external heat radiation by the infrared sensor probe 500 can be unaffected.
Referring to fig. 5 to 7, in some embodiments of the invention, the first and second clip interfaces 120 and 130 are oppositely disposed at the edge of the upper end of the housing 100, the first clip block 820 is oppositely disposed at the edge of the lens mounting plate 800, the elastic clip block 220 is oppositely disposed at the edge of the panel 200, the lens mounting plate 800 is disposed at the upper end of the housing 100 by the clip connection of the first clip block 820 and the second clip interface 130, and the panel 200 is disposed at the opening position of the upper end of the housing 100 by the clip connection of the elastic clip block 220 and the first clip interface 120. Lens mounting panel 800 sets up in the upper end of casing 100 through first joint piece 820 and second joint interface 130 joint, and panel 200 sets up in the upper end open position department of casing 100 through elasticity joint piece 220 and first joint interface 120 joint to make panel 200 set up in the top of lens mounting panel 800, make the sensor whole can remain stable, and then can realize more reliable sensing monitoring.
Referring to fig. 8, in some embodiments of the present invention, the infrared sensor probe 500, the sensing signal processing chip U1 and the trigger control circuit are sequentially connected. The infrared sensor probe 500 can send the detected signal to the sensing signal processing chip U1 for amplification detection processing, and then send a control signal to the trigger control circuit, so that the external device can be controlled.
Referring to fig. 8, in some embodiments of the present invention, the trigger control circuit includes a transistor Q1, a relay K1, and a diode D1, the infrared sensor probe 500 is connected to a detection signal input terminal of the sensing signal processing chip U1, a control output terminal of the sensing signal processing chip U1 is connected to a base of a transistor Q1, a relay K1 is connected between a positive power supply and a collector of the transistor Q1, a positive terminal of the diode D1 is connected to a collector of a transistor Q1, a negative terminal of the diode D1 is connected to the positive power supply, and an emitter of the transistor Q1 is connected to a ground reference. The infrared sensor probe 500 can send the detected signal to the sensing signal processing chip U1 for amplification detection processing, and then send a trigger signal to the triode Q1, so that the triode Q1 is turned on, and the relay K1 is powered on, and further, an external device connected with the relay K1 can be controlled, for example, on/off of a lamp, on/off of a valve, rotation of a motor, or the like can be controlled; the diode D1 connected in parallel with the relay K1 makes it possible to protect the circuit when the coil of the relay K1 is de-energized, wherein the residual energy must be discharged in a suitable way.
Further, in some embodiments of the present invention, the model of the sensor signal processing chip U1 is BISS 0001. BISS0001 is a high-performance sensing signal processing integrated circuit, which is equipped with a pyroelectric infrared sensor and a small number of external components to form a passive pyroelectric infrared switch, and can automatically and rapidly turn on a lamp, a buzzer, an automatic door and other devices.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A presence-type human body sensor, characterized in that: including infrared sensor probe, be used for supplying bearing part, motor, rotatory shielding plate, fresnel lens that infrared sensor probe set up, infrared sensor probe set up in fresnel lens's below, the motor with rotatory shielding plate is connected, rotatory shielding plate set up in infrared sensor probe with between the fresnel lens, the motor is used for the drive rotatory shielding plate rotates and makes infrared sensor probe is sheltered from and the state alternation who does not shelter from.
2. A presence-type body-sensing transducer according to claim 1, wherein: the bearing part comprises a bottom plate, a supporting vertical plate arranged on the bottom plate, and a placing plate connected with one end, far away from the bottom plate, of the supporting vertical plate, and the infrared sensor probe is arranged on the placing plate.
3. A presence-type body-sensing transducer according to claim 2, wherein: still include the casing, the casing includes the holding tank, the bottom plate install in the holding tank.
4. A presence-type body-sensing transducer according to claim 2, wherein: the motor is arranged on the bottom plate.
5. A presence-type body-sensing transducer according to claim 3, wherein: still include the lens mounting panel, the lens mounting panel sets up the upper end of casing, be provided with the installation trench on the lens mounting panel, fresnel lens install in on the installation trench.
6. A presence-type body-sensing transducer according to claim 5, wherein: the Fresnel lens light source is characterized by further comprising a panel, wherein the panel is installed at the position of an opening at the upper end of the shell, and a circle for exposing the Fresnel lens is arranged on the panel.
7. A presence-type body-sensing transducer according to claim 6, wherein: the upper end border position department of casing is provided with first joint interface and second joint interface relatively, the edge of lens mounting panel is provided with first joint piece relatively, the edge of panel is provided with the elastic clamping piece relatively, the lens mounting panel passes through first joint piece with second joint interface joint and set up in the upper end of casing, the panel passes through the elastic clamping piece with first joint interface joint and set up in the upper end open position department of casing.
8. A presence-type body-sensing transducer according to claim 1, wherein: the infrared sensor probe, the sensing signal processing chip and the trigger control circuit are sequentially connected.
9. A presence-type body-sensing transducer according to claim 8, wherein: trigger control circuit includes triode, relay, diode, the infrared sensor probe with the detected signal input part of sensing signal processing chip is connected, the control output of sensing signal processing chip with the base of triode is connected, the relay connect in the power anodal with between the collecting electrode of triode, the positive pole of diode with the collecting electrode of triode is connected, the negative pole and the power anodal of diode are connected, the projecting pole and the ground of consulting of triode are connected.
10. A presence-type body-sensing transducer according to claim 8, wherein: the type of the sensing signal processing chip is BISS 0001.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010755415.5A CN111811664A (en) | 2020-07-31 | 2020-07-31 | Presence type human body induction sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010755415.5A CN111811664A (en) | 2020-07-31 | 2020-07-31 | Presence type human body induction sensor |
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| CN111811664A true CN111811664A (en) | 2020-10-23 |
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| CN202010755415.5A Pending CN111811664A (en) | 2020-07-31 | 2020-07-31 | Presence type human body induction sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820019A (en) * | 2020-12-25 | 2021-05-18 | 上海海蛟交通设备有限公司 | Cash box and cash pressing mechanism thereof |
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2020
- 2020-07-31 CN CN202010755415.5A patent/CN111811664A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820019A (en) * | 2020-12-25 | 2021-05-18 | 上海海蛟交通设备有限公司 | Cash box and cash pressing mechanism thereof |
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