CN109144145A - Temperature-humidity monitor, structured light projector, identity recognition device and electronic equipment - Google Patents
Temperature-humidity monitor, structured light projector, identity recognition device and electronic equipment Download PDFInfo
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- CN109144145A CN109144145A CN201811072703.XA CN201811072703A CN109144145A CN 109144145 A CN109144145 A CN 109144145A CN 201811072703 A CN201811072703 A CN 201811072703A CN 109144145 A CN109144145 A CN 109144145A
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- 230000003287 optical effect Effects 0.000 claims abstract description 92
- 238000007791 dehumidification Methods 0.000 claims abstract description 18
- 230000008859 change Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000003190 augmentative effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- 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
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- Automation & Control Theory (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The application is suitable for field of photoelectric technology, provides a kind of temperature-humidity monitor comprising temperature sensor, humidity sensor, radiating module, dehumidification module and control module.Temperature sensor is used to sense the temperature of optical transmitting set.Humidity sensor is used to sense the humidity of optical transmitting set.Radiating module is for radiating to optical transmitting set, to reduce the temperature of optical transmitting set.Dehumidification module for reducing optical transmitting set humidity.Control module is used for when the temperature value of optical transmitting set is greater than the first temperature threshold, and control radiating module works；It is also used to when the humidity value of optical transmitting set is greater than the first humidity threshold, control dehumidification module works, so that the temperature and humidity of optical transmitting set are controlled in normal range of operation, to improve the luminous efficiency and service life of optical transmitting set.The application also provides a kind of structured light projector, identity recognition device and electronic equipment.
Description
Technical field
The application belongs to field of photoelectric technology more particularly to a kind of temperature-humidity monitor, structured light projector, identification
Device and electronic equipment.
Background technique
Present structured light projector generally comprises optical transmitting set and Beam former.Beam former is used for light emitting
The light that device is emitted is modulated into patterned structure light.Since the photoelectric conversion efficiency of optical transmitting set is about 30%, light
2/3rds electrical power of transmitter is converted to heat, and (for example length is about for the small volume of structured light projector
3.5mm, width about .5mm, height < 4mm), cause radiating efficiency low, these heats can make the operating temperature of optical transmitting set
It increases rapidly.Once the operating temperature of optical transmitting set is excessively high, luminous efficiency can degradation.Simultaneously because structured light projector
For hollow structure, leading to inside, there are air, if can seriously affect the service life of optical transmitting set if having aqueous vapor entrance.
Summary of the invention
Technical problems to be solved in this application are to provide a kind of temperature-humidity monitor, structured light projector, identity and know
Other device and electronic equipment, it is intended to can be improved the luminous efficiency and service life of optical transmitting set.
The application is achieved in that a kind of temperature-humidity monitor comprising temperature sensor, humidity sensor, heat dissipation
Module, dehumidification module and control module.The temperature sensor is used to sense the temperature of an optical transmitting set.The humidity sensor
For sensing the humidity of the optical transmitting set.The radiating module is for radiating to the optical transmitting set, to reduce institute
State the temperature of optical transmitting set.The dehumidification module for reducing the optical transmitting set humidity.The control module is for working as institute
When stating the temperature value of optical transmitting set greater than the first temperature threshold, controls the radiating module and work.It is also used to when the light
When the humidity value of transmitter is greater than the first humidity threshold, controls the dehumidification module and work.
In some embodiments, the temperature sensor and the humidity sensor integrate, and are arranged in institute
It states near optical transmitting set.
In some embodiments, the temperature sensor includes a thermistor.The resistance value of the thermistor is with institute
It states the temperature change of optical transmitting set and changes.
In some embodiments, the temperature sensor further includes divider resistance and the first analog-digital converter.The heat
The first end of quick resistance is electrically connected with reference voltage.The second end of the thermistor is not only electric with one end of the divider resistance
Connection, is also electrically connected by first analog-digital converter with the control module.The other end of the divider resistance is grounded.Institute
The first analog-digital converter is stated for the voltage on the divider resistance to be converted into digital signal by analog signal.
In some embodiments, the humidity sensor includes variable capacitance.The capacitance of the variable capacitance is with institute
It states the humidity variation of optical transmitting set and changes.
In some embodiments, the humidity sensor further includes the second analog-digital converter.The variable capacitance passes through
Second analog-digital converter is electrically connected with the control module.Second analog-digital converter is used for the variable capacitance
Capacitance is converted into digital signal by analog signal.
In some embodiments, the radiating module is cooling fin and/or air-cooled radiating device and/or water-cooling dress
It sets.
In some embodiments, the dehumidification module includes air inlet fan and extraction fan.The air inlet is fanned towards the light
Dry air is blown into the accommodating cavity of transmitter, the extraction fan is used to extract out the sky in the accommodating cavity of the optical transmitting set
Gas.
In some embodiments, the temperature-humidity monitor further includes temperature indicator and wetness display unit, the temperature
Degree display is for showing the temperature that the temperature sensor is sensed.The wetness display unit is for showing that the humidity passes
The humidity that sensor is sensed.
In some embodiments, the temperature-humidity monitor further includes alarm module.The control module is also used to work as
When the temperature of the optical transmitting set is greater than the humidity of second temperature threshold value and/or the optical transmitting set greater than the second humidity threshold,
The alarm module is controlled to alarm.The second temperature threshold value is greater than first temperature threshold, the second humidity threshold
Value is greater than first humidity threshold.
Present invention also provides a kind of structured light projectors comprising optical transmitting set, Beam former and above-mentioned temperature and humidity
Monitor.The optical transmitting set is for emitting light.The Beam former is used for the light for being emitted the optical transmitting set
It is modulated into patterned structure light.The temperature-humidity monitor is used to monitor the temperature and humidity of the optical transmitting set, and by institute
The temperature and humid control for stating optical transmitting set are in normal range of operation.
Present invention also provides a kind of identity recognition devices comprising sensing mould group, identification mould group and above structure light are thrown
Emitter.The structured light projector is for emitting patterned structure light, and by the project structured light a to object under test.Institute
State the image that sensing mould group is used to obtain the structure light reflected by the object under test.The identification mould group is used for according to
It senses image acquired in mould group and carries out identification.
In some embodiments, the identity recognition device includes face authentification device.
Present invention also provides a kind of electronic equipment, and including above-mentioned identity recognition device, the electronic equipment is used for root
It is corresponded to according to the recognition result of the identity recognition device and whether executes corresponding function.
In some embodiments, corresponding function includes unlock, payment, starts appointing in the application program prestored
Meaning is one or more of.
Compared with prior art, beneficial effect is the application: capableing of the temperature and humidity of real-time monitoring optical transmitting set, makes
It obtains optical transmitting set to work in normal temperature and humidity range, to effectively improve the luminous efficiency of optical transmitting set and make
Use the service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the temperature-humidity monitor that the application first embodiment provides.
Fig. 2 is the functional block diagram of the temperature-humidity monitor of Fig. 1.
Fig. 3 is the internal circuit diagram of the temperature sensor of the temperature-humidity monitor of Fig. 1.
Fig. 4 is the functional block diagram for the structured light projector that the application second embodiment provides.
Fig. 5 is the structural schematic diagram for the identity recognition device that the application 3rd embodiment provides.
Fig. 6 is the structural schematic diagram for the electronic equipment that the application fourth embodiment provides.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
Following disclosure provides many different embodiments or example is used to realize the different structure of the application.In order to
Simplify disclosure herein, hereinafter to the component of specific examples and being set for describing.Certainly, they are merely examples, and
And purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.
Further, described feature, structure can be incorporated in one or more embodiment party in any suitable manner
In formula.In the following description, many details are provided to provide and fully understand to presently filed embodiment.So
And one of ordinary skill in the art would recognize that, without one or more in the specific detail, or using other structures,
Constituent element etc. can also practice the technical solution of the application.In other cases, it is not shown in detail or describes known features or behaviour
Make to avoid fuzzy the application.
As shown in Figure 1, a kind of temperature-humidity monitor 100 provided herein, for monitoring the temperature of an optical transmitting set 201
Degree and humidity, and by the temperature of the optical transmitting set 201 and humid control in normal range of operation.The optical transmitting set 201
Luminescence chip 202, substrate 203 including accommodating cavity (not shown) and accommodating inside it.The luminescence chip 202 is fixed on institute
It states on substrate 203.In the present embodiment, the optical transmitting set 210 is laser emitter, such as semiconductor edge-emitting laser device
(Edge Emitting Laser), vertical cavity surface-emitting laser (Vertical Cavity Surface Emitting
Laser, VCSEL) or other suitable types light source.
As shown in connection with fig. 2, the temperature-humidity monitor 100 includes temperature sensor 10, temperature indicator 20, humidity sensor
Device 30, wetness display unit 40, radiating module 50, dehumidification module 60, control module 70 and alarm module 80.
The temperature sensor 10 is arranged near the optical transmitting set 201, for sensing the temperature of the optical transmitting set 201
Degree.In the present embodiment, as shown in figure 3, the temperature sensor 10 includes thermistor 11, divider resistance 12 and the first modulus
Converter 13.The resistance value of the thermistor 11 change with the temperature change of the optical transmitting set 201 (such as when the light send out
When the temperature of emitter 201 increases, the resistance value of the thermistor 11 reduces).The first end and reference electricity of the thermistor 11
Press VDD electrical connection.The second end of the thermistor 11 is not only electrically connected with one end of the divider resistance 12, also by described
First analog-digital converter 13 is electrically connected with the control module 70.The other end of the divider resistance 12 is grounded.First mould
Number converter 13 is used to the voltage on the divider resistance 12 being converted into digital signal by analog signal.
The working principle of the temperature sensor 10 are as follows: since the thermistor 11 and the divider resistance 12 are connected on
It between the reference voltage and ground, is divided by the divider resistance 12, so that the voltage on the divider resistance 12 becomes
Change the change in resistance that can embody the thermistor 11, and then converses the temperature change of the optical transmitting set 201.
Ground is changed, in other embodiments, the temperature sensor 10 can also be other suitable circuit structures, and
It is not limited to the structure of above embodiment.
The temperature indicator 20 under the control of the control module 70 for showing that the temperature sensor 10 is felt
The temperature measured.
The humidity sensor 30 is arranged near the optical transmitting set 201, for sensing the wet of the optical transmitting set 201
Degree.In the present embodiment, the humidity sensor 30 includes variable capacitance and the second analog-digital converter (not shown).It is described variable
The capacitance of capacitor with the optical transmitting set 201 humidity change and change (such as when the optical transmitting set 201 humidity increase
When, the capacitance of the variable capacitance becomes larger).The variable capacitance passes through second analog-digital converter and the control module
70 electrical connections.Second analog-digital converter is used to the capacitance of the variable capacitance being converted into digital letter by analog signal
Number.
Ground is changed, in other embodiments, the humidity sensor 30 can also be other suitable structures, and unlimited
Circuit structure in above embodiment.
The wetness display unit 40 is for showing that the humidity sensor is sensed under the control of the control module 70
The humidity arrived.
In the present embodiment, the temperature sensor 30 and the humidity sensor 10 integrate, and are arranged in institute
It states on the substrate 203 of optical transmitting set 201.Certainly, in other embodiments, the temperature sensor 20 and the humidity sensor
30 can also be provided separately, for example be separately positioned on the opposite sides of the optical transmitting set 201.
The radiating module 50 is for radiating to the optical transmitting set 201, to reduce the optical transmitting set 201
Temperature.In the present embodiment, the radiating module 50 is arranged on the substrate 203 of the optical transmitting set 201 and the light emitting
The opposite side in face.The radiating module 50 can be the cooling fins such as radiating fin or heat pipe, can also be air-cooled radiating device (ratio
Such as be arranged one for blowing air inlet fan and an extraction fan for exhausting) or water-cooling heat radiating device (such as will be in one
Portion's circulation has the conduit of cold water to be sticked on optical transmitting set).
The dehumidification module 60 for reducing the optical transmitting set 201 humidity.In the present embodiment, the dehumidification module
60 are dehumidified by the way of blowing, and the dehumidification module includes an air inlet fan and an extraction fan at this time.The air inlet fans court
Dry air is blown into the accommodating cavity of the optical transmitting set 201, the extraction fan is for extracting the optical transmitting set 201 out
Air in accommodating cavity, so that air pressure and ambient pressure in the accommodating cavity of the optical transmitting set 201 be kept to balance.Certainly, exist
In other embodiments, the mode that heating can also be used in the dehumidification module 60 dehumidifies, and is arranged on the substrate 203 at this time
Heating coil.If the temperature of the optical transmitting set 201 be less than first temperature threshold, the heating coil work with
The temperature of the substrate 203 is improved, to radiate heat into the accommodating cavity of the optical transmitting set 201, promotes the accommodating
Intracavitary moisture rapid evaporation is gone out.But when the temperature that the temperature sensor 10 is sensed will reach first temperature
When spending threshold value, it is necessary to stop heating, the temperature to avoid the optical transmitting set 201 is more than first temperature threshold.
From the foregoing, it will be observed that the radiating module 50 can also be same module, i.e., the described radiating module with the dehumidification module 60
50 are radiated by the way of air-cooled, and the dehumidification module 60 is dehumidified by the way of blowing.
The control module 70 is used to be greater than the first temperature threshold (such as 40 DEG C) when the temperature of the optical transmitting set 201
When, it controls the radiating module 50 and works；It is also used to be greater than the first humidity threshold when the humidity of the optical transmitting set 201
When (such as 65%), controls the dehumidification module 60 and work.
The control module 70 is also used to be greater than second temperature threshold value and/or described when the temperature of the optical transmitting set 201
When the humidity of optical transmitting set 201 is greater than the second humidity threshold, controls the alarm module 80 and alarm.Wherein, described second
Temperature threshold is greater than first temperature threshold, and second humidity threshold is greater than first humidity threshold.The alarm mould
Block 80 can be one of buzzer, light emitting diode, speech player or display screen etc. or a variety of.
Further, as shown in figure 4, the application second embodiment provides a kind of structured light projector 200 comprising above-mentioned
Optical transmitting set 201, Beam former 204 and above-mentioned temperature-humidity monitor 100.
The optical transmitting set 201 is for emitting light.
The Beam former 204 is used to the light that optical transmitting set 201 is emitted being modulated into patterned structure light.Institute
State Beam former 204 such as, but not limited to include diffraction optical element (Diffractive Optical Element,
DOE).However, changing ground, in other embodiments, the Beam former 204 can also be the device of other suitable types
Part can be realized to form patterned structure light.The patterned structure light is for example in striped formula, dot matrix, grid
Formula, coding type etc..
The temperature-humidity monitor 100 is used to monitor the temperature and humidity of the optical transmitting set 201, and by the optical transmitting set
201 temperature and humid control is in normal range of operation.
Further, as shown in figure 5, the application 3rd embodiment provides a kind of identity recognition device 300 comprising sensing
Mould group 301, identification mould group 302 and above-mentioned structured light projector 200.The structured light projector 200 is for emitting patterning
Structure light, and by the project structured light a to object under test.The sensing mould group 301 is for obtaining by the object under test
The image of the structure light reflected.The identification mould group 302 is used to carry out body according to the sensing mould group 301 image obtained
Part identification.
The identity recognition device 300 is, for example, face authentification device.So, the identity recognition device 300 can also be used for
Identify other proper sites of human body, or even other organisms or inorganic matter for identification.
Certainly, the application may also include a kind of imaging device, including above-mentioned sensing mould group 301, structured light projector
200, flood projection device and processor.The flood projection device for projecting floodlight to target to be measured, throw by the structure light
Emitter 200 is for projective structure light to target to be measured, and the sensing mould group 301 is according to the reflected floodlight of target to be measured
The two dimensional image of target to be measured is obtained, and is taken turns according to the surface that the reflected structure light of target to be measured obtains object
Wide information, the processor obtain the 3D rendering information of target to be measured according to the two dimensional image and surface profile information.
Currently, 3D detection technology large-scale application is in intelligent terminal, augmented reality (Augmented Reality, AR)/void
The multiple fields such as quasi- reality (Virtual Reality, VR), intelligent security guard, robot vision, automatic Pilot, automedica.
The pattern beam is the light beam projected on measured target object during sensing the 3D information of measured target object, Ke Yi
The 3D information that preset light pattern is used to sense measured target object is projected on measured target object.Acquired measured target object
3D information has a variety of applications, for example can use the functions such as the 3D information realization face recognition.It should be noted that this Shen
Specific limitation please not done to the application of this 3D information in full.
Further, as shown in fig. 6, the application fourth embodiment provides a kind of electronic equipment 400, such as but do not limit to
In the electronics for suitable types such as consumer electrical product, household formula electronic product, vehicular electronic product, financial terminal products
Product.Wherein, consumer electrical product for example but is not limited to mobile phone, tablet computer, laptop, tabletop display, electricity
Brain all-in-one machine etc..Household formula electronic product for example but is not limited to intelligent door lock, TV, refrigerator, wearable device etc..Vehicular
Electronic product for example but is not limited to automatic navigator, vehicle-carrying DVD etc..Financial terminal product for example but be not limited to ATM machine, from
Help the terminal etc. of transacting business.The electronic equipment 400 includes above-mentioned identity recognition device 300.400 basis of electronic equipment
Whether the identification result of the identity recognition device 300 executes corresponding function to correspond to.Corresponding function is for example
But it is not limited to include unlock, payment, any one or a few in the application program that prestores of starting.
In the present embodiment, it is illustrated so that electronic equipment 400 is mobile phone as an example.What the mobile phone for example, shielded comprehensively
The positive top of mobile phone is for example arranged in mobile phone, the identity recognition device 300.Certainly, the mobile phone is also not restricted to entirely
Face mobile phone.
For example, the screen for lifting mobile phone or touch mobile phone can act as wake-up when user needs to boot up unlock
The effect of the identity recognition device 300.After the identity recognition device 300 is waken up, identify in front of the mobile phone
When user is legal user, then lock screen is solved.
Compared with prior art, the temperature-humidity monitor of the application, structured light projector, identity recognition device and electronics
Equipment is capable of the temperature and humidity of real-time monitoring optical transmitting set, so that optical transmitting set work in suitable temperature and humidity range
Make, to effectively improve the luminous efficiency and service life of optical transmitting set.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the application.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.
Claims (13)
1. a kind of temperature-humidity monitor, which is characterized in that it includes temperature sensor, humidity sensor, radiating module, dehumidifying mould
Block and control module；The temperature sensor is used to sense the temperature of an optical transmitting set；The humidity sensor is for sensing institute
State the humidity of optical transmitting set；The radiating module is for radiating to the optical transmitting set, to reduce the optical transmitting set
Temperature；The dehumidification module for reducing the optical transmitting set humidity；The control module is used to work as the optical transmitting set
Temperature value be greater than the first temperature threshold when, control the radiating module and work；It is also used to work as the wet of the optical transmitting set
When angle value is greater than the first humidity threshold, controls the dehumidification module and work.
2. temperature-humidity monitor as described in claim 1, which is characterized in that the temperature sensor and the humidity sensor
It integrates, and is arranged near the optical transmitting set.
3. temperature-humidity monitor as described in claim 1, which is characterized in that the temperature sensor includes a thermistor,
The resistance value of the thermistor changes with the temperature change of the optical transmitting set.
4. temperature-humidity monitor as claimed in claim 3, which is characterized in that the temperature sensor further include divider resistance and
The first end of first analog-digital converter, the thermistor is electrically connected with reference voltage；The second end of the thermistor is not only
It is electrically connected with one end of the divider resistance, is also electrically connected by first analog-digital converter with the control module；It is described
The other end of divider resistance is grounded；First analog-digital converter is used to turn the voltage on the divider resistance by analog signal
Change digital signal into.
5. temperature-humidity monitor as described in claim 1, which is characterized in that the humidity sensor includes variable capacitance, institute
The capacitance for stating variable capacitance changes with the humidity of the optical transmitting set and is changed.
6. temperature-humidity monitor as claimed in claim 5, which is characterized in that the humidity sensor further includes that the second modulus turns
Parallel operation, the variable capacitance are electrically connected by second analog-digital converter with the control module；Second analog-to-digital conversion
Device is used to the capacitance of the variable capacitance being converted into digital signal by analog signal.
7. temperature-humidity monitor as described in claim 1, which is characterized in that the radiating module is cooling fin and/or air-cooled
Radiator and/or water-cooling heat radiating device.
8. temperature-humidity monitor as described in claim 1, which is characterized in that the dehumidification module includes air inlet fan and exhausting
Fan；For air inlet fan towards dry air is blown into the accommodating cavity of the optical transmitting set, the extraction fan is described for extracting out
Air in the accommodating cavity of optical transmitting set.
9. temperature-humidity monitor as described in claim 1, which is characterized in that the temperature-humidity monitor further includes temperature display
Device and wetness display unit, the temperature indicator is for showing the temperature that the temperature sensor is sensed；The humidity is aobvious
Show device for showing the humidity that the humidity sensor is sensed.
10. temperature-humidity monitor as described in claim 1, which is characterized in that the temperature-humidity monitor further includes alarm mould
Block, the control module are also used to be greater than second temperature threshold value and/or the optical transmitting set when the temperature of the optical transmitting set
When humidity is greater than the second humidity threshold, controls the alarm module and alarm；The second temperature threshold value is greater than described first
Temperature threshold, second humidity threshold are greater than first humidity threshold.
11. a kind of structured light projector, which is characterized in that it includes in optical transmitting set, Beam former and claim 1-10
Described in any item temperature-humidity monitors, the optical transmitting set is for emitting light；The Beam former is used for the light
The light that transmitter is emitted is modulated into patterned structure light；The temperature-humidity monitor is for monitoring the optical transmitting set
Temperature and humidity, and by the temperature of the optical transmitting set and humid control in normal range of operation.
12. a kind of identity recognition device, which is characterized in that it includes described in sensing mould group, identification mould group and claim 11
Structured light projector, the structured light projector for emitting patterned structure light, and by the project structured light to one to
Survey object；The sensing mould group is used to obtain the image of the structure light reflected by the object under test；The identification mould group is used
Identification is carried out in the image according to acquired in the sensing mould group.
13. a kind of electronic equipment comprising identity recognition device described in claim 12, the electronic equipment are used for according to institute
It states the recognition result of identity recognition device and whether executes corresponding function to correspond to.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811072703.XA CN109144145A (en) | 2018-09-14 | 2018-09-14 | Temperature-humidity monitor, structured light projector, identity recognition device and electronic equipment |
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| CN201811072703.XA CN109144145A (en) | 2018-09-14 | 2018-09-14 | Temperature-humidity monitor, structured light projector, identity recognition device and electronic equipment |
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| CN107632654A (en) * | 2017-07-14 | 2018-01-26 | 成都光创联科技有限公司 | A kind of non-hermetically sealed encapsulated laser working environment humidity and automatic temperature control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095155A (en) * | 2019-05-21 | 2019-08-06 | 深圳洲斯移动物联网技术有限公司 | A kind of control method, temperature-humidity detecting device and temperature/humiditydetection detection system |
| CN110095155B (en) * | 2019-05-21 | 2021-08-10 | 深圳洲斯移动物联网技术有限公司 | Control method, temperature and humidity detection device and temperature and humidity detection system |
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