CN207201027U - TOF camera modules and TOF circuits and its electronic equipment - Google Patents

Abstract

TOF camera modules and TOF circuits and its electronic equipment, wherein the TOF circuits include：One TOF circuit of light sources and a photosensitive circuit；Wherein described TOF circuit of light sources is used to drive a TOF light source works to produce light, reflection light of the light through a target and the photosensitive circuit photosensitization, the TOF circuit of light sources coordinates with the photosensitive circuit handles the light and reflection light information, deep image information is obtained, it provides predetermined power grade.

Description

TOF camera modules and TOF circuits and its electronic equipment

Technical field

TOF technical fields are the utility model is related to, further, are related to a TOF camera modules and TOF circuits and its electronics Equipment.

Background technology

TOF (Time Of Flight) technology, i.e. sensor sends the near infrared light through ovennodulation, runs into anti-after object Penetrate, sensor is by calculating infrared light transmitting and reflection interval difference or phase difference, to calculate the distance of subject, with production Raw depth information, and further combined with traditional shooting that connects, so as to which the three-D profile of object be represented not in different colors The graphics mode of same distance shows.

TOF technologies origin is longer, but with the last few years, the fast development of intellectual technology and virtual reality technology And application, TOF technologies and TOF modules obtain tremendous expansion, turn into a study hotspot of current technical field of imaging, have Very high researching value and wide application prospect.

By taking traditional TOF camera as an example, TOF camera is during shooting, it is necessary first to which generating laser sends coding To the object shot, when reference object is people, laser needs to expose on human body light, then reflexes to a light by human body Receiving part, further, transmitting light and the time difference for receiving light or phase difference are calculated by processor to calculate human body Deep space information, and the photosensitization for the light for passing through reception obtains the imaging of object, with reference to depth information obtains depth Spend image information.

In this process, subject, such as people, animal, organism, it is required for receiving the irradiation of laser, but Laser may produce some harmful effects, especially life entity for subject, and the size of the power of light source is one Determine to determine the size of influence degree in degree.

On the other hand, laser is a luminescent device, and heat is supervened during luminous, and TOF camera needs Obtained light information is obtained into deep image information by processing of circuit, heat can influence the work of circuit caused by laser Make, or even when influenceing serious, circuit cisco unity malfunction, obtain inaccurate information.And when light source power it is bigger, the unit interval Caloric value is bigger, the normal work of TOF camera is influenceed bigger.

On the other hand, based on traditional electronic technology, traditional TOF camera and circuit over all Integration degree are all relatively low, body Product is larger.

Further, the driving and control of the need of work circuit of laser, and the work electricity that existing TOF camera coordinates Road, precision are all relatively low, that is to say, that relatively low for the accuracy reliability of measurement result.

Further, with the fast development of intellectual technology and virtual reality technology, existing TOF camera and corresponding electricity Road, with far from meeting the existing requirement for TOF products, it is necessary to design corresponding circuit according to the requirement of prior art, Configure corresponding device.

Utility model content

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute State TOF circuits and intended power output is provided, so that light source output power meets pre-provisioning request.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein logical Cross the electronic component for adjusting, designing the TOF circuits, such as capacitance resistance ware, to adjust the power output of the light source, so as to pass through Such method can design the TOF circuits of different output power.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute Stating TOF circuits includes a protection circuit, and the protection circuit provides the power output of preset range, and monitors power output, So that circuit safety works.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute State protection circuit to be used to monitor the TOF light sources at work so that the TOF light sources work in safe range.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute State TOF camera modules to work in predetermined power scope, service behaviour is more stable, and the deep image information of acquisition is more accurate.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute Set with stating TOF circuit integrations, so as to reduce the waste of circuit element, and reduce volume.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute Stating TOF circuits includes a temperature sensing circuit, and the temperature sensing circuit detects the operating temperature of the light source, and by information Feed back to the TOF circuits.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, its medium temperature Spend information to be used to analyze the accuracy for obtaining information, so as to improve the accuracy of the deep image information finally obtained.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute Stating TOF circuits includes nominal data preservation circuit, for storing nominal data, so that user carries out calibration and usage so that The operating accuracy of TOF camera modules is higher.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, and it is got the bid Fixed number is according to data storage circuit is stored in, so as to avoid user from obtaining the possibility that nominal data produces mistake when in use Property, ensure that demarcation is accurate, and convenient use person, save the time.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute The circuit elements of TOF circuits is stated by predetermined layout designs, reduces the power consumption in circuit so that circuit work is more stable, Reliably.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute When stating TOF circuits and being arranged at circuit board, radiator structure is correspondingly designed, so as to improve the heat dispersion of the TOF circuits, is made Its working stability.

A purpose of the present utility model is to provide a TOF camera modules and TOF circuits and its electronic equipment, wherein institute TOF camera modules are stated by the way that power is default, circuit layout is set and the optimization design of the different aspect such as monitoring temperature so that institute State TOF camera modules to work in predetermined power, and reliablely and stablely work, so as to provide reliable, stable deep image information, In order to applied to different electronic equipments.

In order to realize a above at least purpose of utility model, one side of the present utility model provides a TOF circuits, and it is wrapped Include：

One TOF circuit of light sources；With

One photosensitive circuit；Wherein described TOF circuit of light sources is used to drive a TOF light source works to produce light, the light Reflection light through a target and the photosensitive circuit photosensitization, the TOF circuit of light sources with the photosensitive circuit cooperation The light and reflection light information is managed, obtains deep image information.

According to some embodiments, described TOF circuits, wherein the TOF circuit of light sources includes a protection circuit, the guarantor Protection circuit provides the TOF light sources predetermined limitation power.

According to some embodiments, described TOF circuits, wherein the TOF circuit of light sources includes a protection circuit, wherein institute Stating protection circuit includes a diverter module and a sampling module, and the diverter module and the sampling module electrically connect side by side, with Carry out separating flow sampling.

According to some embodiments, described TOF circuits, wherein the diverter module is a resistance, the sampling module is One current sense amplifier.

According to some embodiments, described TOF circuits, wherein the protection circuit includes an average low-pass module, it is described Sampling module output current information to the average low-pass module, the average low-pass module handles the current information and obtains electricity Levelling average.

According to some embodiments, described TOF circuits, wherein the average low-pass module is a resistance and an electric capacity.

According to some embodiments, described TOF circuits, wherein the protection circuit includes a comparison module, it is described average Low-pass module output information to the comparison module, the comparison module is compared processing.

According to some embodiments, described TOF circuits, wherein the comparison module is a comparator chip.

According to some embodiments, described TOF circuits, wherein the protection circuit includes a current detection switch module, The comparison module output information is to the current detection switch module.

According to some embodiments, described TOF circuits, opened wherein the current detection switch module is current limliting load Close.

According to some embodiments, described TOF circuits, wherein the protection circuit includes a wrong latch module, it is described Diverter module is exported to the wrong latch module, and the wrong latch module exports the status informations of the TOF light sources to institute State current detection switch module.

According to some embodiments, described TOF circuits, wherein the wrong latch module includes two series resistances.

According to some embodiments, described TOF circuits, wherein the current detection switch module latches with reference to the mistake Module and the information of the comparison module control the work of the TOF light sources.

According to some embodiments, described TOF circuits, wherein the protection circuit includes peak point current limitation module, The peak point current limitation module is connected to the current detection switch module, with limiting circuit peak working load power.

According to some embodiments, described TOF circuits, wherein peak point current limitation module is a resistance.

According to some embodiments, described TOF circuits, wherein the circuit of light sources includes a power supply, the power supply is institute State protection circuit and work energy is provided.

According to some embodiments, the TOF circuits, wherein the TOF light sources are VCSEL.

According to some embodiments, described TOF circuits, wherein the protection circuit includes an electric capacity, described electric capacity one end Connect the diverter module, one end ground connection.

According to some embodiments, described TOF circuits, wherein the protection circuit changes limitation work(by adjusting capacitance-resistance value Rate, to obtain predetermined different brackets power output.

According to some embodiments, described TOF circuits, wherein the circuit of light sources includes one drive circuit, the driving Circuit is electrically connected to the photosensitive circuit, and the drive circuit drives the TOF light source works.

According to some embodiments, described TOF circuits, wherein the drive circuit includes a buffer logic chip and one Mosfet transistor, the photosensitive circuit are communicatively coupled to the buffer logic chip, the buffer logic chip communication connection Institute's mosfet transistor.

According to some embodiments, described TOF circuits, wherein the buffer logic chip and the mosfet transistor are adjacent The nearly TOF light sources are set.

According to some embodiments, described TOF circuits, wherein the drive circuit includes an at least resistance and an electric capacity, The resistance and the electric capacity coordinate the buffer logic chip and mosfet transistor work.

According to some embodiments, described TOF circuits, wherein the drive circuit includes 2 resistance and 6 electric capacity.

According to some embodiments, described TOF circuits, wherein the circuit of light sources includes a temperature sensing circuit, wherein The temperature sensing circuit detects the TOF light-source temperatures.

According to some embodiments, described TOF circuits, wherein the temperature sensing circuit includes a temperature sensor and one Electric capacity.

According to some embodiments, described TOF circuits, wherein the temperature sensor and the electric capacity are adjacent to the TOF Light source is set.

According to some embodiments, the TOF circuits, wherein the TOF circuits, which include a nominal data, preserves circuit, it is used for Preserve the nominal data of the TOF light sources.

According to some embodiments, described TOF circuits, wherein the nominal data, which preserves circuit, includes a memory, one Electric capacity and a resistance.

According to some embodiments, described TOF circuits, wherein the nominal data circuit is electrically connected to the photosensitive electricity Road.

According to some embodiments, described TOF circuits, including an interface unit, the interface unit is used to export Information.

According to some embodiments, described TOF circuits, wherein the photosensitive circuit includes a sensitive chip and at least one electricity Hold.

According to some embodiments, described TOF circuits, the TOF circuits are arranged at an at least circuit board, the circuit Plate has an at least heat emission hole.

According to some embodiments, described TOF circuits, wherein the heat emission hole is cooperatively set with the TOF light sources.

According to some embodiments, described TOF circuits, wherein the circuit board is provided with an at least heat dissipating layer, the radiating Layer is cooperatively set with the TOF light sources.

According to some embodiments, described TOF circuits, wherein the heat dissipating layer is layers of copper.

Another aspect of the present utility model provides a TOF camera module protection circuits, wherein the protection circuit is a TOF Light source provides predetermined power output, and the protection circuit is included to a resistance, by adjusting the resistance value, obtains predetermined limit Power.

According to some embodiments, described TOF camera module protection circuits, wherein the protection circuit includes a divergent die Block and a sampling module, the diverter module and the sampling module electrically connect side by side, to be shunted.

According to some embodiments, described TOF camera module protection circuits, wherein the diverter module is a resistance, institute It is a current sense amplifier to state sampling module.

According to some embodiments, described TOF camera module protection circuits, wherein the protection circuit is average low including one Logical module, the sampling module output current information to the average low-pass module, the average low-pass module handle the electricity Stream information obtains current average.

According to some embodiments, described TOF camera module protection circuits, wherein the average low-pass module is a resistance With an electric capacity.

According to some embodiments, described TOF camera module protection circuits, wherein the protection circuit compares mould including one Block, average low-pass module output information to the comparison module, the comparison module are compared processing.

According to some embodiments, described TOF camera module protection circuits, wherein the comparison module is a comparator core Piece.

According to some embodiments, described TOF camera module protection circuits, wherein the protection circuit is examined including an electric current Slowdown monitoring switch module, the comparison module output information to the current detection switch module.

According to some embodiments, described TOF camera module protection circuits, wherein the current detection switch module is one Current limiting load switch.

According to some embodiments, described TOF camera module protection circuits, locked wherein the protection circuit includes a mistake Storing module, the diverter module export to the wrong latch module, the wrong latch module and export the shape of the TOF light sources State information is to the current detection switch module.

According to some embodiments, described TOF camera module protection circuits, wherein the wrong latch module includes two strings Join resistance and a protective cap.

According to some embodiments, described TOF camera module protection circuits, wherein the current detection switch module combines The wrong latch module and the information of the comparison module control the work of the TOF light sources.

According to some embodiments, described TOF camera module protection circuits, wherein the protection circuit includes peak value electricity Ductility limit molding block, the peak point current limitation module are connected to the current detection switch module, worked with limiting circuit peak value Power.

According to some embodiments, described TOF camera module protection circuits, wherein peak point current limitation module is one Resistance.

According to some embodiments, described TOF camera module protection circuits, wherein the protection circuit includes a power supply, The power supply provides work energy for the protection circuit.

According to some embodiments, described TOF camera module protection circuits, wherein the TOF light sources are VCSEL.

According to some embodiments, described TOF camera module protection circuits, wherein the protection circuit includes an electric capacity, Described electric capacity one end connects the diverter module, one end ground connection.

According to some embodiments, described TOF camera module protection circuits, wherein the protection circuit is by adjusting capacitance-resistance Value changes power output, to obtain predetermined different brackets power output.

Another aspect of the present utility model provides the TOF circuits for carrying radiator structure, and it includes

One TOF circuits, drive a TOF light source works；With

An at least wiring board, the TOF circuit boards are arranged at the wiring board, and at least one wiring board has at least One heat emission hole, with the heat caused by the TOF circuits that scatters and disappears.

According to some embodiments, described TOF circuits, wherein the heat emission hole coordinates the TOF light sources to set.

According to some embodiments, described TOF circuits, wherein the wiring board is provided with an at least heat dissipating layer, the radiating Layer is equipped with the TOF light sources.

According to some embodiments, described TOF circuits, wherein the wiring board includes a light source substrate and a camera lens base Plate, the TOF light sources are arranged at the light source substrate, and the heat emission hole is arranged at the light source substrate, the TOF circuits It is selectively set in the light source substrate and the lens substrate.

Another aspect of the present utility model provides a TOF circuit fabrication methods, and it includes step：

(A) diverter module is provided, for adjusting electric current；

(B) sampling module is provided, electric current in Acquisition Circuit

(C) comparison module is provided, current signal in comparison circuit；With

(D) a current detection switch module is provided, according to diverter module, the TOF light of output control one of the comparison module Source.

According to some embodiments, described TOF circuit fabrication methods, including step：Adjust in the TOF circuits Capacitance resistance ware, to obtain predetermined grade power output.

According to some embodiments, described TOF circuit fabrication methods, including step：One wrong latch module is provided, Obtain the state of the TOF light sources, there is provided information is in the current detection switch module.

According to some embodiments, described TOF circuit fabrication methods, including step：One average low-pass module is provided, The average value for the electric current that the sampling module obtains is obtained, is sent to the comparison module.

According to some embodiments, described TOF circuit fabrication methods, including step：The limitation of one peak point current is provided Module, limit the current peak electric current.

Another aspect of the present utility model provides a TOF circuit heat dissipating methods, and it includes step：

An at least wiring board is provided, an at least heat emission hole is set in the wiring board；With

One TOF circuits are set in the wiring board by predetermined cloth；

According to some embodiments, described TOF circuit heat dissipating methods, including step：Adhere to a heat dissipating layer in described Wiring board precalculated position.

According to some embodiments, described TOF circuit heat dissipating methods, wherein being set by predetermined layout is included the TOF Protection circuit in circuit is set adjacent to a TOF light sources.

According to some embodiments, described TOF circuit heat dissipating methods, wherein being set by predetermined layout is included the TOF The drive circuit of circuit is set adjacent to the TOF light sources.

According to some embodiments, described TOF circuit heat dissipating methods, wherein being set by predetermined layout includes integrally setting The circuit element of the TOF circuits.

Another aspect of the present utility model provides a TOF camera modules, and it includes：

One light source cell；With

One light receiver unit；Wherein described light source cell produces light a to target, light and reflected by the target, institute State light receiver unit and receive reflection light, and the information for being incorporated into incident ray and reflection light obtains depth image letter Breath.

According to some embodiments, described TOF camera modules, wherein the light source cell includes a TOF light sources and a light Source circuit, the circuit of light sources drive the TOF light source works.

According to some embodiments, described TOF camera modules, wherein light receiver unit include a photosensitive circuit and a mirror Head assembly, the lens assembly receive light, are transferred to the photosensitive circuit and carry out photosensitization.

Another aspect of the present utility model provides an electronic equipment, and it includes：

One equipment body；With

TOF camera modules described in one, the TOF camera modules are arranged at the equipment body, with the equipment master Body coordinates the collection and reproduction for realizing depth image.

According to some embodiments, described electronic equipment, wherein the electronic equipment is selected from combination：Smart mobile phone, flat board One or more in computer, wearable device, body feeling interaction equipment, distance-measuring equipment, stereoscopic imaging apparatus.

Brief description of the drawings

Fig. 1 is the TOF camera module block diagram representations according to one embodiment of the present utility model.

Fig. 2 is the circuit of light sources block diagram representation according to the TOF camera modules of above-described embodiment of the present utility model.

Fig. 3 is the protection circuit block diagram representation according to the TOF camera modules of above-described embodiment of the present utility model.

Fig. 4 is the TOF camera module operation principle schematic diagrams according to above-described embodiment of the present utility model.

Fig. 5 is the data scaling schematic block diagram according to the TOF camera modules of above-described embodiment of the present utility model.

Fig. 6 is the embodiment block diagram representation according to the TOF camera modules of above-described embodiment of the present utility model.

Fig. 7 is the above-mentioned embodiment course of work frame according to the TOF camera modules of above-described embodiment of the present utility model Diagram is intended to.

Fig. 8 is according to the photosensitive of the embodiments of TOF circuits one of the TOF camera modules of above-described embodiment of the present utility model Circuit diagram.

Fig. 9 is the embodiment according to the TOF circuits of the TOF camera modules of above-described embodiment of the present utility model Protection circuit schematic diagram.

Figure 10 is the implementation according to the TOF circuits of the TOF camera modules of above-described embodiment of the present utility model The drive circuit block diagram representation of mode.

Figure 11 is the implementation according to the TOF circuits of the TOF camera modules of above-described embodiment of the present utility model The temperature test circuit diagram of mode.

Figure 12 is preserved according to the data of the TOF circuits of the TOF camera modules of above-described embodiment of the present utility model Circuit diagram.

Figure 13 is the connection unit circuit diagram according to the TOF camera modules of above-described embodiment of the present utility model.

Figure 14 is the three-dimensional signal of the embodiment of TOF camera modules one according to above-described embodiment of the present utility model Figure.

Figure 15 is the TOF camera modules portion schematic diagram according to above-described embodiment of the present utility model.

Figure 16 is the decomposition according to the above-mentioned embodiment of the TOF camera modules of above-described embodiment of the present utility model Schematic diagram.

Figure 17 is according to the above-mentioned embodiment of the TOF camera modules of above-described embodiment of the present utility model TOF circuit layout schematic diagrames.

Figure 18 A, 18B are the above-mentioned embodiments according to the TOF camera modules of above-described embodiment of the present utility model Light source substrate schematic diagram.

Figure 19 is the TOF protection circuit manufacture method block diagrams according to above-described embodiment of the present utility model.

Figure 20 is the TOF circuit heat dissipating method block diagrams according to above-described embodiment of the present utility model.

Figure 21 is the TOF camera module application schematic diagrams according to above-described embodiment of the present utility model.

Embodiment

Describe to be used to disclose the utility model so that those skilled in the art can realize the utility model below.Retouch below Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.Retouched following The general principle of the present utility model defined in stating can apply to other embodiments, deformation program, improvement project, etc. Tongfang Case and the other technologies scheme without departing from spirit and scope of the present utility model.

It will be understood by those skilled in the art that in exposure of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the orientation or position of the instruction such as " outer " Relation is to be based on orientation shown in the drawings or position relationship, and it is for only for ease of description the utility model and simplified and describes, and It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore Above-mentioned term is it is not intended that to limitation of the present utility model.

It is understood that term " one " be interpreted as " at least one " or " one or more ", i.e., in one embodiment, The quantity of one element can be one, and in a further embodiment, the quantity of the element can be multiple, and term " one " is no It is understood that as the limitation to quantity.

With intellectual technology and virtual reality quick development and be widely applied, TOF technologies also develop therewith, simultaneously Face great number of issues, such as security in actual use, the security reliability of work and configuration and the reason of actual circuit Combination problem between etc., these are all urgent problems to be solved, and according to the utility model provide a TOF camera modules and TOF circuits and its electronic equipment, in the utility model design be pre-designed the TOF circuits for meeting code requirement so that TOF is imaged Module power output is in preset range, that is to say, that the TOF camera modules of design different capacity demand as requested, makes its symbol Different requirements safe to use is closed, and more optimizes the utilization rate of resource；Further, the TOF is provided in the utility model to take the photograph During as module work, operating power is monitored, so that it limits power output, work more may be used not over preset range Lean on, safety, and the data collected are more accurate；Further, operating temperature is detected in the utility model, on the one hand ensures work Security, the standard that another aspect temperature data screens as gathered data, be further ensured that the accurate of data acquisition Property；Further, in the utility model in specific implementation process, require that function and real work situation are set in advance according to actual Circuit component layout is counted, actual implementing circuit is reduced and designs the difference between circuit, improve the essence of TOF camera modules work Degree；Further, the utility model provides the nominal data preservation circuit of TOF camera modules, can prestore nominal data, use Family can directly transfer data therein and be demarcated when in use, without secondary acquisition by other means, avoid Gone wrong in acquisition process, while avoid the systematic error brought without demarcation；Further, the utility model provides The radiator structure for providing predetermined circuit layout and circuit board of TOF camera modules, on the one hand reduces circuit self heat Loss, the heat dispersion of circuit is on the other hand improved, reduces the accumulation of heat, so as to further improve the TOF camera modules Work stabilization, further, the utility model TOF camera modules carry out modularity design so that each part is more integrated, It is convenient to be integrally applied to electronic equipment.More than, the performances of the TOF camera modules is improved by different modes, so as to carry For the requirement of suitable for modern intellectual technology and virtual reality technology to TOF camera modules, so that the TOF camera modules are more Be suitable for being applied to different field, for example, the detection of interaction entertainment, action, Expression Recognition, entertainment advertisement, medical technology, Industry Control etc. so that the TOF camera modules are more suitable for being applied to various electronic equipments, such as smart mobile phone, flat board electricity Brain, wearable device, body feeling interaction equipment, distance-measuring equipment, stereoscopic imaging apparatus.

As shown in Fig. 1 to 13, according to the TOF camera modules 100 of an embodiment of the present utility model.The TOF takes the photograph module It can be applied to various electronic equipments, citing ground but be not limited to, smart mobile phone, tablet personal computer, wearable device, body feeling interaction Equipment, distance-measuring equipment, stereoscopic imaging apparatus.

The TOF camera modules 100 are used for the deep image information for obtaining measured target, that is to say, that the TOF shootings The information that module 100 obtains includes the depth information of target and the plane picture information of target.

According to this embodiment of the present utility model, the TOF camera modules 100 include a TOF light source cells 10 and one Light receiver unit 20.The TOF light source cells 10 are used to produce light, such as laser.The light receiver unit 20, for connecing Light is received, and obtains deep image information.Citing ground, the TOF light source cells 10 launch light to destination object, light quilt Destination object reflects to obtain reflected light, and the light receiver unit 20 receives reflection light, and with reference to the TOF light source cells 10 reflected light information obtains deep image information.

Further, the TOF camera modules 100 include an interface unit 30, and the interface unit 30 is used to image TOF The depth image letter that module 100 obtains is transmitted to electronic equipment, for example is transmitted to processor.The interface unit 30 citing ground but It is not limited to be implemented as multi-pin connector.

The light source cell of the TOF camera modules 100 includes a TOF light sources 12 and a circuit of light sources 11, the light Source circuit 11 is used to drive the work of TOF light sources 12 to produce light.The TOF light sources 12 citing ground but it is not limited to VCSEL ((Vertical Cavity Surface Emitting Laser, vertical cavity surface emitting laser) light source.That is, institute When stating the work of TOF light source cells 10, the circuit of light sources 11 drives the TOF light sources 12 to work, and produces light.It is worth mentioning It is that the circuit of light sources 11 is the circuit of light sources 11 of predetermined power, that is to say, that during 10 normal work of TOF light source cells, The normal operating power of the light source cell is predetermined value.In other words, can go to design the circuit of light sources 11 by difference, So as to adjust the power output of the TOF light source cells 10, it is set to meet different power demands.Citing ground, can pass through tune Circuit element in the whole circuit of light sources 11 adjusts the power output of the TOF light source cells 10, and the circuit element lifts Example ground but it is not limited to resistance, electric capacity., can be by designing the circuit of light sources 11 according to the utility model, there is provided difference is predetermined The TOF light source cells 10 of power, so as to meet different application demands, such as in the TOF camera modules 100 of shooting personage, In order to reduce influence of the light to human body, it is desirable to the TOF camera modules 100 of smaller power, now can be by designing State circuit of light sources 11, there is provided the TOF light source cells 10 and the TOF camera modules 100 of smaller power.For example work as shooting Object and it is distant when, it is necessary to the TOF camera modules 100 of relatively high power, now can be by designing the light source electricity Road 11, there is provided the TOF light source cells 10 and the TOF camera modules 100 of relatively high power.Such as when shooting object, and model Enclose it is smaller, it is closer to the distance, can be by designing the circuit of light sources 11, there is provided the He of TOF circuit of light sources 11 of suitable power TOF camera modules 100, so as to make full use of resource, it is excessive and waste to avoid providing power, and avoid power too small without Accurate deep image information can be obtained.

The light receiver unit 20 includes a photosensitive circuit 21 and a lens assembly 22, and the lens assembly 22 is used to connect Light is received, and carries out photosensitization.The photosensitive circuit 21 is electrically connected to the circuit of light sources 11.The photosensitive circuit 21 is used In the photosensitive information of processing and the transmitting light information of the TOF light sources 12, and then obtain deep image information.

In other words, the circuit of light sources 11 and the photosensitive circuit 21 form the TOF electricity of the TOF camera modules 100 Road, i.e. coordinate the transmitting of the light of the TOF light source cells 10 and the light receiver unit 20 and receive process to realize depth map As the circuit of information.

The circuit of light sources 11 includes one drive circuit 111, and the drive circuit 111 is used to drive the TOF light sources 12 Work.

Further, the circuit of light sources 11 includes a protection circuit 112, and the protection circuit 112 drives the TOF light sources 12 work, and protect the TOF light sources 12.Citing ground, the protection circuit 112 drive the light source in predetermined power scope work Make, and limiting circuit power exceedes preset range.

The protection circuit 112 is connected to the drive circuit 111, in order to when driving the TOF light sources 12 to work, Protect the work of the TOF light sources 12 and the circuit of light sources 11.

The operating power of the TOF and the size of circuital current, it is institute it is noted that in the TOF modules The important parameter of TOF module work stability and reliabilities is stated, when the power of design is larger, and the power of actual demand is smaller, is made Into the wasting of resources；When the power of design is smaller, and actual demand power is larger, it is impossible to meet work requirements, obtaining information can It is relatively low by property；When the power or electric current of the circuit of light sources 11 exceed predetermined value, the letter of the TOF modules acquisition may be caused The reliability of breath reduces, and circuit work is dangerous, and causes the waste of resource, and the protection circuit 112 of the present utility model In design, the power for meeting demand can be designed according to pre-provisioning request, at work, the TOF camera modules can be detected 100 circuital current and power, so as to which the operating power of the circuit caused from different aspect is controllable so that the TOF shootings The work of module 100 is relatively reliable, stably.Citing ground, the protection circuit 112 can set limitation electric current, but electric current is more than During limits value, the protection circuit 112 can act, for example disconnect the power supply of the TOF light sources 12 so that the TOF light sources 12 are stopped.

As shown in figure 3, it is the protection circuit 112 according to the TOF camera modules 100 of above-described embodiment of the present utility model Block diagram representation.The protection circuit 112 includes a diverter module 1121, a sampling module 1123, the and of a comparison module 1125 One current detection switch module 1126.

The diverter module 1121 is used to adjust circuital current.The diverter module 1121 is communicatively coupled to the electric current inspection Slowdown monitoring switch module 1126.

The sampling module 1123 is used to gather the current signal information when protection protection circuit 112 works.It is described Sampling module 1123 is set side by side with the diverter module 1121, has identical terminal voltage with the diverter module 1121.

The comparison module 1125 is used to compare current information, and comparative result is sent into the current detecting and opened Close.

The current detection switch module 1126 is used for the switch that the TOF light sources 12 are determined according to input information.

The protection circuit 112 further comprises an average low-pass module 1124, and the average low-pass module 1124 coordinates It is described to be worked using module, obtain the average value of the output signal of sampling module 1123.

Further, the averaging module transmits information to the comparison module 1125, and the comparison module 1125 compares The input information of the average low-pass module 1124, and comparative result is sent to the current detection switch module 1126.

Further, the protection circuit 112 includes a wrong latch module 1122, and the wrong latch module 1122 is used for Judge the state of the TOF light sources 12 and transfer information to the current detection switch module 1126.It is that is, described Mistake latch module 1122 is communicatively coupled to the current detection switch module 1126.Citing ground, when the TOF light sources 12 just Often, the wrong latch module 1122 is transmitted closure information to the current detection switch module 1126, the current detecting and opened The switch of the TOF light sources 12 can be determined according to input information by closing module 1126.When the exception of TOF light sources 12, the mistake False-lock storing module 1122, which transmits, disconnects information to the current detection switch module 1126, the current detection switch module 1126 The switch of the TOF light sources 12 can be determined according to input information.

The protection circuit 112 can further include peak point current limitation module 1127, for limiting the light source The peak operation current of circuit 11, to cause the TOF camera modules 100 to be worked in predetermined power scope.It is that is, described Peak point current limitation module 1127 is communicatively coupled to the current detection switch module 1126.

The peak point current limitation module 1127 coordinates the current detection switch module 1126 to work, so that described The limitation power or operating power of TOF light sources 12 are in preset range.

The protection circuit 112 can include a power supply, and the power supply is that the protection circuit 112 provides work energy. The power supply can be the protection circuit 112 element or by external circuit provide electric current, the skill of this area Art personnel are it should be appreciated that the utility model is not intended to limit in this respect.

That is, the input of the protection circuit 112 connection power supply, output end connect the TOF light sources 12.

Integrally, reference picture 4, the course of work of the protection circuit 112 can be that electric current separately flows into the divergent die Block 1121 and the sampling module 1123, the sampling module 1123 gather current information, will output information to described average low Logical module 1124, the average processing of the low-pass module 1124 input information, current information after processing is transmitted to the relatively mould Block 1125, the comparison module 1125 are compared, and comparative result is sent into the current detection switch module 1126.It is described The output current all the way of diverter module 1121 is sent to the current detection switch module 1126.The diverter module 1121 it is another One output current is sent to the wrong latch module 1122, and output information is sent to described by the wrong latch module 1122 Current detection switch module 1126.Diverter module 1121, the mistake described in the comprehensive descision of current detection switch module 1126 The information of false-lock storing module 1122 and the comparison module 1125 determines the switch of the TOF light sources 12.Citing ground, when the electricity It is described when stream detection switch module 1126 receives the information for the exception of the light source 12 that the wrong latch module 1122 transmits The control of current detection switch module 1126 disconnects the power supply of TOF light sources 12；When the current detection switch module 1126 receives To the diverter module 1121 current information exceed limit scope when, the current detection switch module 1126 control disconnects institute State the power supply of TOF light sources 12；The comparison information that the comparison module 1125 is received when the current detection switch module 1126 surpasses When crossing restriction scope, the control of current detection switch module 1126 disconnects the power supply of TOF light sources 12；And work as the divergent die When the input information of block 1121, the wrong latch module 1122 and the comparison module 1125 belongs to preset range, institute State the control of current detection switch module 1126 and open the power supply of TOF light sources 12, or be to maintain at the power supply of TOF light sources 12 In the state of opening.

, can be by adjusting the diverter module 1121, described adopting in the protection circuit 112 when designing circuit Egf block 1123, the comparison module 1125, the current detection module, the average low-pass module 1124, the mistake lock The circuit element of wherein one or more modules of storing module 1122 and peak point current limitation module 1127 is to adjust State the power of circuit of light sources 11, the circuit element citing ground but be not limited to resistance, electric capacity etc..That is, in design, can With by adjusting the diverter module 1121, the sampling module 1123, the comparison module 1125, the current detection switch Module 1126, the average low-pass module 1124, the wrong latch module 1122 and peak point current limitation module The circuit element of 1127 wherein one or more modules obtains the TOF camera modules 100 of predetermined power.

The circuit of light sources 11 further comprises a temperature sensing circuit 113, and the temperature sensing circuit 113 detects described The temperature of TOF light source cells 10.The temperature sensing circuit 113 citing ground but it is not limited to be implemented as temperature sensor, certainly, The current element of other cooperations, such as inductance, electric capacity etc. can also be included.

The temperature sensing circuit 113 can be used for detecting the temperature and/or TOF light sources electricity of the TOF light sources 12 The heating on road 11 or the temperature of Sensitive Apparatus.

TOF circuits described in reference picture 2 and Fig. 5 include a nominal data and preserve circuit 23, and the nominal data preserves circuit 23 nominal data for storing the TOF camera modules 100.That is, it is pre- to preserve circuit 23 by the nominal data The nominal data of the TOF camera modules 100 is stored, in order to user's calibration and usage.In other words, described in user's use , can be by extracting the nominal data in the demarcation preservation circuit and to the TOF camera modules during TOF camera modules 100 100 are demarcated, so that the TOF camera modules 100 have accurate benchmark, improve the TOF camera modules 100 Operating accuracy, avoid user when in use it is secondary acquisition nominal data when output mistake and demarcate it is inaccurate, and prevent without mark Determine and make it that working standard is inaccurate, and reduce the waste of user time.

The nominal data preserves the citing of circuit 23 ground but is not limited to be implemented as data storage.It is, of course, also possible to wrap Include other circuit blocks, such as resistance, electric capacity.

The nominal data preserves circuit 23 and is electrically connected to the interface unit 30, in order to for for when, it is outside Electronic equipment extracts the nominal data by the interface unit 30 and preserves the demarcation information stored in circuit 23.

Reference picture 4 and Fig. 5, citing ground, the course of work of the TOF camera modules 100 can be the TOF light sources 12 Launch light in the driving of the circuit of light sources 11, light is reflected after reaching target, and further, transmitting light is by the light Line receiving unit 20 receives, and carries out photosensitization, information and light of the photosensitive circuit 21 with reference to the TOF light sources 12 transmitting light The reception light information of line receiving unit 20 handles to obtain the deep image information of the target, further, it is possible to by described Interface unit 30 exports the deep image information of the target.For example can export to a processor, to apply the depth map As information, such as interaction entertainment, action detection, Expression Recognition, entertainment advertisement, medical technology, Industry Control.Than Such as, can export to an electronic equipment, so as to reproduce the TOF camera modules in a manner of three-dimensional the electronic equipment The deep image information of the target of 100 collections.The circuit of light sources 11 is communicatively coupled to the photosensitive circuit 21, in order to by institute The transmitting optical transmission of information of TOF light sources 12 is stated to the photosensitive circuit 21, the mode of the communication connection, which is illustrated, ground but to be not limited to, Wired or wireless connected mode, such as electric connection mode, signal connected mode.

Certainly, before using the TOF camera modules 100, user can lead to the extraction nominal data and preserve circuit Nominal data in 23 is demarcated to the TOF camera modules 100 so that the acquisition of the TOF camera modules 100 meets pre- Calibrate reference of reference value so that output information is more accurate.

Further, during the TOF camera modules 100 work, the temperature sensing circuit 113 detects described The temperature of TOF light sources 12, the temperature sensing circuit 113 are communicatively coupled to the photosensitive circuit 21, and the photosensitive circuit 21 will Reference value of the information of the temperature sensing circuit 113 as image sampling, citing ground, when the temperature sensing circuit 113 is examined When measuring the temperature of the TOF light sources 12 and being higher than predetermined value, the deep image information of the analysis of photosensitive circuit 21 collection is not inconsistent Predetermined condition is closed, is rejected, and the temperature that the TOF light sources 12 are detected when the temperature sensing circuit 113 meets predetermined model When enclosing, the image information of the analysis of photosensitive circuit 21 collection conforms to a predetermined condition, and is retained, so as to the monitoring temperature passed through Mode so that sampling is more accurate, and the deep image information that the TOF camera modules 100 obtain is more accurate.

The temperature sensing circuit 113 can also carry the information to external equipment, for example carry the information to primary processor, lead to The primary processor is crossed to take appropriate measures.

Reference picture 6 and Fig. 7, in one embodiment, the TOF light sources 12 are implemented as a VCSEL, meet predetermined mark Standard, such as Class 3B, produce 850nm laser, and the drive circuit 111 and the protection circuit 112 cooperate with the TOF light Source 12 works, and the photosensitive circuit 21 is implemented as an integrated chip, such as sensitive chip, and resolution ratio is 224 × 172.It is described to connect Mouth unit 30 is not embodied as a 30Pin connectors, and the temperature sensing circuit 113 is implemented as a temperature sensor, the mark Determine data storage circuit 23 and be implemented as a data storage.

The drive circuit 111 and the protection circuit 112 drive the VCSEL work to produce laser, the photosensitive electricity Road 21 is communicatively coupled to the circuit of light sources 11, and the sensor is communicatively coupled to the integrated chip of photosensitive circuit 21, described Nominal data preserves circuit 23 and is communicatively coupled to the photosensitive circuit 21, and the primary processor is communicatively coupled to the interface unit 30 30Pin connectors, to obtain deep image information.

In one embodiment, the TOF light sources 12 are implemented as a near infrared emission device, the light receiver unit 20 are implemented as a TOF receiving modules, and the interface unit 30 is implemented as an input/output interface.The photosensitive circuit 21 can To be implemented as a master control system, it includes a phase difference operator, an analysis and processing unit.The TOF camera modules 100 The course of work is that the near infrared emission device launches light, and the phase of the reflected light is phase 1, the transmitting light projection to speed Target, contact target back reflection, the TOF receiving modules receive light, and phase corresponding to reception light is phase 2, further, institute State master control system and phase information is handled by the phase difference operator, such as, phase difference=phase 1- phases 2, enter one Step, phase difference is converted to depth RAW data by the analysis and processing unit processing, further, it is possible to pass through the input and output Mouth interface exports depth RAW data to AP ends.

As shown in figure 8, implemented according to the TOF circuits one of the TOF camera modules 100 of above-described embodiment of the present utility model The schematic diagram of photosensitive circuit 21 of mode.As shown in figure 9, it is the TOF camera modules 100 according to above-described embodiment of the present utility model TOF circuits the embodiment the schematic diagram of protection circuit 112.As shown in Figure 10, it is according to of the present utility model above-mentioned The block diagram representation of drive circuit 111 of the embodiment of the TOF circuits of the TOF camera modules 100 of embodiment.Such as figure It is the embodiment party according to the TOF circuits of the TOF camera modules 100 of above-described embodiment of the present utility model shown in 11 The temperature test circuit diagram of formula.It is the TOF camera modules 100 according to above-described embodiment of the present utility model as shown in figure 12 The TOF circuits data storage circuit schematic diagram.That is, Fig. 8 to Figure 12 respectively illustrates the one of the TOF circuits The different piece of kind embodiment, i.e., described photosensitive circuit 21, the protection circuit 112, the drive circuit 111, institute The embodiment that nominal data preserves circuit 23 is stated, different piece can be combined with each other work, can also individually and other are electric Road coordinates.

The photosensitive circuit 21 includes an at least photo-sensitive cell 211 and an at least Resistor-Capacitor Unit 212, the photo-sensitive cell 211 are used to carry out photosensitization, and handle light information.The Resistor-Capacitor Unit 212 coordinates the photo-sensitive cell 211 to work, Complete photosensitization.

Reference picture 8, in this embodiment of the present utility model, the photo-sensitive cell 211 is implemented as sensitive chip U1, the sensitive chip U1 can be the chips of 42 interfaces, and which part interface is used to connecting the protection circuit 112, described Drive circuit 111, the data scaling preserve circuit.Citing ground, the model of the sensitive chip U1 can be IRS1645C.Institute The sensitive chip U1 resistance R1 of RSET N interfaces connection one is stated, the resistance R1 citings ground can be 10K Ω.

Citing ground, Resistor-Capacitor Unit 212 described in the interface of the sensitive chip U1 are implemented as electric capacity, electric as shown in Figure 8 Hold C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19.The electric capacity C1, C2, C3 are connected to the VDDMODH interfaces of the sensitive chip side by side respectively, illustrate described electric capacity C1, C2, C3 electricity Capacitance can be respectively 10uF, 1nF, 1nF.The electric capacity C4 is connected to the VDDIO of the sensitive chip, and citing ground is described Electric capacity C4 capacitances can be 100nF.Described electric capacity C5, C6, C7, C8, C9 are connected to the sensitive chip U1 side by side respectively 3V3 interfaces, citing ground, described electric capacity C5, C6, C7, C8, C9 capacitance can be respectively 10uF, 10nF, 10nF, 10nF, 100nF.Described electric capacity C10, C11, C12 are connected to the 3V3 interfaces of the sensitive chip U1 side by side respectively, and citing ground is described Electric capacity C10, C11, C12 capacitance are respectively 1nF, 1nF, 1nF.Described electric capacity C13, C14, C15, C16, C17, C18, C19 Be connected to the 1V5 interfaces of the sensitive chip U1 side by side respectively, citing ground, the electric capacity C13, C14, C15, C16, C17, C18, C19 capacitance can be respectively 10uF, 1nF, 10nF, 1nF, 100nF, 1nF, 1nF.

Reference picture 9, in this embodiment of the present utility model, the diverter module 1121 of the protection circuit 112 It is implemented as a resistance R8.Citing ground, in certain embodiments, the resistance of the resistance R8 can be 0.082 Ω.

The sampling module 1123 is implemented as current sense amplifier U5.The average low-pass module 1124 is implemented as An one resistance R10 and resistance C28.The resistance R10 is connected to the OUT terminal mouth of the current sense amplifier U5, the electricity Hold the GND ports that C28 is connected to the current sense amplifier U5.Citing ground, in certain embodiments, the resistance R10 Resistance can be 10K, the capacitance of the electric capacity C28 can be 22uF.Citing ground, the current sense amplifier U5 models Can be MAX9634F.

The comparison module 1125 is implemented as comparator chip U6, the resistance R10 and the electric capacity C28 one end point The interface IN of the comparator chip U6 is not connected to.The GND interfaces of the current sense amplifier U5 connect the comparator Chip U6 GNF interfaces, and be all grounded.Citing ground, the model of the comparator chip U6 can be MAX9645.

The current detection switch module 1126 is implemented as a current limiting load switch U7, have six interface IN, EN, GND、OUT、FLAG、SETI.Citing ground, the model of the current limiting load switch U7 can be FPF2194.The current limliting load is opened Close the U7 interface OUT connections power supply of TOF light sources 12 (VVSEL).The interface GND ground connection of the current limiting load switch U7.Institute State comparable chip U6 interface OUT connections current limiting load switch U7 interface EN.

The peak point current limitation module 1127 is implemented as a peak point current limiting resistance R12, the peak point current limit Resistance R12 processed coordinates the current limiting load switch U7 work.The peak point current limiting resistance R12 is connected to the current limliting load Switch U7 interface SETI.Citing ground, the resistance of the resistance R12 is 751 Ω.

The wrong latch module 1122 is implemented as a resistance R9, a resistance R11 and a protective cap VCSEL cap, institute The resistance R11 connections protective cap VCSEL cap are stated, such as VCSEL, to obtain the status information of the TOF light sources 12, such as Whether the TOF light sources have disconnection, with the presence or absence of exception.The wrong latch module 1122 is connected to the current limiting load switch U7 EN interfaces.Citing ground, the resistance of the resistance R9 can be 49.9 Ω, and the resistance of the resistance R11 can be 10K Ω. Citing ground, the protective cap VCSEL cap detect the information of TOF light sources 12, when described in protective cap VCSEL cap detections When TOF light sources 12 are normal, the wrong latch module 1122 transmits the normal information of light source to the current limiting load switch U7, and When the protective cap VCSEL cap detect that the TOF light sources 12 are abnormal, it is different that the wrong latch module 1122 transmits light source For normal information to the current limiting load switch U7, the current limiting load switch U7 disconnects the power supply of TOF light sources 12.

One end of the shunt resistance R8 connects the B2 interfaces of the current limiting load switch U7.

The protection circuit 112 also includes an electric capacity C29, and it is to adjust circuital current, one end of the electric capacity C29 that it, which is acted on, Connect the resistance R8, one end ground connection.Citing ground, the capacitance of the electric capacity C29 can be 0.1uF.

The protection circuit 112 also includes a resistance R13, for adjusting circuital current.Described resistance R13 one end connects institute State current limiting load switch U7 EN interfaces, one end ground connection.

Can be by adjusting the resistance value of the resistance in circuit and the capacitance of the electric capacity in the protection circuit 112 To adjust the power of the TOF light sources 12, citing ground, can by adjust described resistance R8, R9, R11, R10, R13, R12 with And the resistance value or capacitance of wherein one or more in C28, C29 adjust the power of the TOF light sources 12, to obtain not With the TOF camera modules 100 of power grade.

Those skilled in the art it should be appreciated that chip U1, U3 described in above-mentioned embodiment, U4, U5, U6, U7, The resistance value of the capacitance and the resistance of U8, U9 model and each electric capacity, is illustrative only one be carried out Kind mode, is not limitation of the present utility model, each described chip U1, U3, U4, U5, U6, U7, U8, U9 can also be its alloytype Number, each resistance value and the capacitance can also be other numerical value.

Reference picture 10, in this embodiment of the present utility model, the drive circuit 111 includes a driving buffer logic A chip U3 and mosfet transistor U4.The driving buffer logic chip U3 has 6 interfaces, be respectively A1, GND, A2, Y1, VCC and Y2.The MOSFST transistors U4 has 3 interfaces, is G, D, S respectively.

The drive circuit 111 also includes a resistance R2, a resistance R7, multiple electric capacity and a light emitting diode D1, more Individual electric capacity is respectively electric capacity C21, C23, C24, C25, C26, C27.

The interface A1 of the driving buffer logic chip U3 connects the interface MOD_SE_P of the sensitive chip U1 with A2.Institute State driving buffer logic chip U3 interface GND ground connection.Described in the interface Y1 of the driving buffer logic chip U3 connects with Y2 Mosfet transistor U4 interface G.The interface VCC connections sensitive chip U1 of driving buffer logic chip U3 interface 3V3.Citing ground, the model of the driving buffer logic chip U3 can be NC7WV17L6X.

The MOSFST transistors U4 interfaces D connection diodes D1, the MOSFST transistors U4 interfaces S ground connection.It is described Light-Emitting Diode D1 is the TOF light sources 12.Citing ground, the model of the MOSFST transistors U4 can be CSD17381F4.

Described resistance R2 one end connects the interface MOD_SE_P of the sensitive chip U1, one end ground connection.Citing ground, the electricity The resistance for hindering R2 is 10K Ω.

Described electric capacity C21 one end connects the interface 3V3 of the sensitive chip U1, one end ground connection.Citing ground, the electric capacity C21 capacitance is 0.1uF.

Described electric capacity C23, C24, C25 one end is connected to the power supply of TOF light sources 12 (VVSEL) side by side, such as VSEL, one End ground connection.Citing ground, described electric capacity C23, C24, C25 capacitance can be respectively 10uF, 0.1uF, 0.1uF.

Described resistance R7 one end connects the power supply of TOF light sources 12 (VVSEL), and one end connects the light emitting diode D1.

Described electric capacity C26, C27 one end is connected to described resistance R7 one end, other end ground connection.Citing ground, the electricity The resistance for holding C26, C27 can be respectively 22nF, 22nF.

Described light emitting diode D1 one end connects the resistance R7, and one end connects the interface D of the mosfet transistor U4.

Reference picture 11, according to this embodiment of the present utility model, the temperature sensing circuit 113 passes including a temperature A sensor U8 and electric capacity C30.

Citing ground, the temperature sensor U8 has 6 interfaces, is SDA, VCC, A0, SCL, GND, ALERT respectively.It is described Temperature sensor U8 interface SDA connections sensitive chip U1 interface I2C_SDA.The interface of the temperature sensor U8 VCC connections sensitive chip U1 interface VDDIO.The interface A0 ground connection of the temperature sensor U8.The temperature sensor U8 interface SCL connections sensitive chip U1 interface I2C_SCL.The interface GND ground connection of the temperature sensor U8.Citing Ground, the temperature sensor U8 models PCT2202UK.

Described electric capacity C30 one end connects the interface VDDIO of the sensitive chip U1, one end ground connection.Citing ground, the electric capacity C30 capacitance 0.1uF.

The selection of the temperature sensor U8 needs to consider temperature measurement accuracy, communication interface quantity, working power requirement Etc. factor.

Reference picture 12, according to this embodiment of the present utility model, the nominal data preserves circuit 23 and deposited including one Reservoir U9, a resistance R14 and an electric capacity C31.

The memory U9 has 8 interfaces, respectively VCC, WC, DU, SCL, VSS, E2, SDA, E1.The memory U9 Interface VCC connections sensitive chip U1 interface VDDIO, memory U9 interface WC connected by the resistance R14 Meet the interface VDDIO of the sensitive chip U1.The interface SCL connections sensitive chip U1 of memory U9 interface I2C_ SCL.The interface VSS ground connection of the memory U9.The interface E2 of the memory U9 connects connecing for the sensitive chip U1 with E1 Mouth VDDIO.The interface SDA connections sensitive chip U1 of memory U9 interface I2C_SDA.Citing ground, the storage Device U9 model can be M24M01DF.Citing ground, the resistance value of the resistance R14 is 10K Ω.

One end of the electric capacity C31 connects the interface VDDIO of the sensitive chip U1, one end ground connection.Citing ground, the electricity The capacitance for holding C31 can be 0.1uF.

The selection of the memory U9 needs to consider the quantity of communication interface, memory capacity, the reliability of work and stably The factors such as property.

Reference picture 13, according to this embodiment of the present utility model, the interface unit 30 is implemented as a connector J1.The connector J1 has 30 interfaces, is connected to interface and ground connection corresponding to the sensitive chip U1.

Citing ground, the interface 1 and 3 of the connector J1 connect the interface 3V3 of the sensitive chip U1.The connector J1 Interface 2,4,6 and 8 connect the interface V_ILLU of the sensitive chip U1.The interface 5 of the connector J1,13,19,25,10, 16th, 22 ground connection.The interface 7 of the connector J1 connects the interface VDDIO of the sensitive chip U1.The connector J1's connects The connection of mouth 11 sensitive chip U1 interface IMG_CLK.The interface 12 and 14 of the connector J1 connects the sensitive chip U1 interface 1V5.The interface 15 of the connector J1 connects the interface CSI_D0_P of the sensitive chip U1.The connector J1 Interface 17 connect the interface CSI_D0_N of the sensitive chip U1.The interface 18 of the connector J1 connects the sensitive chip U1 interface ILLU_EN.The interface 20 of the connector J1 connects the interface IMG_START of the sensitive chip U1.The company The interface 21 for meeting device J1 connects the interface CSI_CL_P of the sensitive chip U1.The interface 23 of the connector J1 connects the sense Optical chip U1 interface CSI_CL_N.The interface 24 of the connector J1 connects the interface I2C_SCL of the sensitive chip U1.Institute The interface 26 for stating connector J1 connects the interface I2C_SDA of the sensitive chip U1.The interface 27 of the connector J1 connects institute State sensitive chip U1 interface CSI_D1_P.The interface 29 of the connector J1 connects the interface CSI_ of the sensitive chip U1 D1_N.The interface 30 of the connector J1 connects the interface RESET_N of the sensitive chip U1.Citing ground, the connector J1 Model can be AXE630124.

The TOF light source cells 10 and the light receiver unit 20 of above-described embodiment of the present utility model can be by realities Apply as different modes, so as to form different types of TOF camera modules 100.It is new according to this practicality shown in Figure 14 to Figure 18 B One embodiment of the TOF camera modules 100 of above-described embodiment of type.It is noted that the TOF camera modules 100 structure is illustrative only a kind of mode that the utility model can be carried out, and is not limitation of the present utility model.

As shown in figure 14, it is the embodiment of TOF camera modules 100 1 according to above-described embodiment of the present utility model Schematic perspective view.As shown in figure 15, it is 100 schematic diagrames of TOF camera modules according to above-described embodiment of the present utility model.Such as It is the decomposition according to the above-mentioned embodiment of the TOF camera modules 100 of above-described embodiment of the present utility model shown in Figure 16 Schematic diagram.The TOF camera modules 100 are including described in the TOF light source cells 10, a light receiver unit 20 and one Interface unit 30.The TOF light source cells 10 launch light, and the light receiver unit 20 receives light and analyzes transmitting The light information of reception, deep image information being obtained, the interface unit 30 is communicatively coupled to the light receiver unit 20, and And carry the information to electronic equipment.

In this embodiment of the present utility model, the TOF light source cells 10 and the light receiver unit 20 are respective A light source module group and a camera module are formed, the light source module group and the camera module are in communication with each other connection.Specifically, it is described Light source cell and the light receiver unit 20 are connected by a communication device 40, the communication device 40 citing ground but are not limited to Be flexible coupling device, multi-wad join line.

The TOF light source cells 10 and the light receiver unit 20 are set neighbourly.The TOF light source cells 10 and institute The radiation direction for stating light receiver unit 20 is consistent.

The TOF light source cells 10 include the TOF light sources 12, a light source substrate 13 of circuit of light sources 11 and one.

The light receiver unit 20 includes 21 and one lens assembly 22 of photosensitive circuit.The photosensitive circuit 21 include a photo-sensitive cell 211 and at least one Resistor-Capacitor Unit 212.The lens assembly 22 includes a camera lens 221, one The lens substrate 223 of camera lens load-carrying unit 222 and one.Further, the circuit element of the TOF circuits is arranged at institute by predetermined layout State light source substrate 13 and the lens substrate 223.

The circuit element that the circuit of light sources 11 and the photosensitive circuit 21 form the TOF circuits is selectively set In the light source substrate 13 or the lens substrate 223.That is, the drive circuit 111, the protection circuit 112, institute State the circuit element selectivity in temperature sensing circuit 113, nominal data preservation circuit 23 and the photosensitive circuit 21 Ground is arranged at the light source substrate 13 and the lens substrate 223.That is, the light source substrate 13 and the lens substrate 223 form the wiring board of the setting TOF circuits of the TOF camera modules 100.The light source substrate 13 and the camera lens base Plate 223 can be that an overall wiring board or two wiring boards, the utility model are not intended to limit in this respect.

The TOF light sources 12 are installed in the light source substrate 13.That is, circuit of light sources described in above-described embodiment 11 circuit element is predetermined in the light source substrate 13, citing ground but is not limited by embedded circuit, surface mount, etching electricity The modes such as road are arranged at the light source substrate 13.That is, the element subelement of circuit of light sources 11 be arranged at it is described The inside of light source substrate 13, partial circuit element are revealed in the surface of the light source substrate 13.

The mode that the photosensitive circuit 21 is arranged at the lens substrate 223 is illustrated and ground but is not limited to bury, surface patch Dress, etched circuit etc., the lens substrate 223 is arranged at by surface-pasted mode than sensitive chip as will be described.It is described Camera lens load-carrying unit 222 is arranged at the lens substrate 223, and the camera lens 221 is arranged at the camera lens load-carrying unit 222, to cause the camera lens 221 to be located at the photosensitive path of the sensitive chip.

The TOF light sources 12 produce heat in the course of the work, when heat gathers, can influence the TOF light source cells 10 job stability, in the utility model, the circuit element of the circuit of light sources 11 is set by predetermined layout, with described in optimization Circuit of light sources 11 is laid out.

The circuit of light sources 11 circuit layout citing ground but be not limited to, by the TOF light sources 12 and the protection circuit 112 are neighboringly set, to reduce power attenuation when transmitting over long distances so that signal is inaccurate.

Power supply topologies citing ground but it is not limited to, by the temperature sensing circuit 113 adjacent to the TOF light sources 12, so that the temperature information that the detection of the temperature sensing circuit 113 obtains is more accurate, it is more nearly the TOF light sources 12 actual temperature.

Further, reference picture 17, in this embodiment of the present utility model, the layout type of the TOF circuits can To be, the buffer logic chip U3 and the mosfet transistor U4 are set adjacent to the TOF light sources 12, i.e., it is neighbouring VCSEL is set.By the buffer logic chip U3 and the mutually adjacent settings of mosfet transistor U4.By the TEMP Device U8 is set adjacent to the TOF light sources 12.The electric capacity C30 is set adjacent to the TOF light sources 12.The electric capacity C30 is adjacent Set the nearly temperature sensor U8.

Further, it is possible to circuit elements are optionally set on the light source substrate 13 and the lens substrate 223 respectively Part, for example circuit element is set around the neighbouring sensitive chip U1, circuit is set around the neighbouring TOF light sources 12 Element.When setting circuit element so that the circuit element of related circuit is close to each other, for example belongs to the circuit of same module Element.During setting, the connection distance between the circuit element of correlation is reduced, reduces transmission loss.

Citing ground, in a kind of mode, the sensitive chip U1, the current sense amplifier U5, the comparator core Piece U6, the current limiting load switch U7, the nominal data memory U9 are arranged at the wiring board.The electric capacity C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19 are adjacent to the sensitive chip U1 is set.The resistance R1 is set adjacent to the sensitive chip U1.The resistance R14 and the electric capacity C31 are adjacent to the demarcation Data storage U9 is set.The current sense amplifier U5 and comparator chip U6 is neighbouring to be set.The resistance R8, R9, R10, R11, R12, R13 are adjacent to the current sense amplifier U5, the comparator chip U6, the current limiting load switch U7 is set.The electric capacity C29 is set adjacent to the current limiting load switch U7.

The buffer logic chip U3, the mosfet transistor U4 and the temperature sensor U8 are arranged at the light Source substrate 13.The resistance R7 and the resistance R2 are arranged at the light source substrate 13.The electric capacity C21, C23, C24, C25, C26, C27 are arranged at the light source substrate 13.Described electric capacity C21, C23, C24, C25, C26, C27 and the resistance R2, the resistance R7 are intensively set.

As shown in Figure 18 A, it is according to the above-mentioned specific real of the TOF camera modules 100 of above-described embodiment of the present utility model Apply the schematic diagram of light source substrate 13 of mode.As shown in figure 18b, it is that mould is imaged according to the TOF of above-described embodiment of the present utility model The enlarged schematic partial view of light source substrate 13 of the above-mentioned embodiment of group 100, for illustrating dissipating for the light source substrate 13 Heat.The light source substrate 13 includes an at least substrate layer 131 and an at least heat dissipating layer 132, and the heat dissipating layer is arranged at described The precalculated position of substrate layer 133, to strengthen the heat dispersion of the light source substrate 13.Institute's heat dissipating layer 132 may be implemented as gold Belong to layer, citing ground but be not limited to layers of copper, such as layers of copper of coating.

The heat dissipating layer 132 is arranged at presumptive area, citing ground but is not limited to, region corresponding to the TOF light sources 12. The heat dissipating layer 132 can also integrally be attached to the surface of substrate layer 131, those skilled in the art it should be appreciated that The setting area of the heat dissipating layer 132 and setting area are not limitation of the present utility model.

The substrate layer 133 has an at least heat emission hole 131, to strengthen the heat dispersion of the light source substrate 13.One In a little embodiments, the heat emission hole 131 be arranged at the 132 corresponding position of heat dissipating layer, so as to the heat dissipating layer 132 Being engaged strengthens the heat dispersion of the TOF light source cells 10.Certainly, it is described to dissipate in other embodiment of the present utility model Hot hole 131 can also be arranged at other regions, and the position of the radiating area and the heat emission hole 131 can not correspond to, ability The technical staff in domain is it should be appreciated that the set location of the heat emission hole 131 and the heat dissipating layer 132 is not that this practicality is new The limitation of type.

In other words, in some embodiments, the light source substrate 13 is by the heat dissipating layer 132 and the substrate layer 133 alternately stacked formation, and the heat emission hole 131 passes through alternating layer, can pass through radiating so as to the heat of the heat dissipating layer 132 Hole 131 is scattered and disappeared, so as to improve the radiating efficiency of the light source substrate 13.

Further, the TOF camera modules 100 include an assembling framework 50, and the assembling framework 50 is installed in described Light source cell and the light receiver unit 20, so that the integration of TOF camera modules 100.The assembling framework 50 With a light source hole 51 and a camera aperture 52, the light source hole 51 is corresponding with the TOF light sources 12, in order to the TOF light The light in source 12 is projected by the light source hole 51.The camera aperture 52 and the camera lens 221 of the light receiver unit 20 It is corresponding, in order to which reflection light enters the camera lens 221 by the camera aperture 52.

Further, the assembling framework 50 can be metal material, described in order to be strengthened by the assembling framework 50 The heat dispersion of TOF camera modules 100.

As shown in figure 19, it is TOF circuit fabrication method block diagrams according to above-described embodiment of the present utility model.According to this reality With new above-described embodiment, the utility model provides the manufacture method 1000 of a TOF protection circuits 112, and the manufacture method includes Step：

1001：A diverter module 1121 is provided, for adjusting electric current；

1002：There is provided a sampling module 1123, electric current in Acquisition Circuit

1003：There is provided a comparison module 1125, current signal in comparison circuit；With

1004：A current detection switch module 1126 is provided, according to diverter module 1121, the knot of the comparison module 1125 Fruit controls a TOF light sources 12.

Further, the manufacture method 1000 of TOF protection circuits 112 includes step：

1005：One wrong latch module 1122 is provided, obtains the state of the TOF light sources 12, there is provided information is in the electricity Flow detection switch module 1126.

The step 1004 may furthermore is that：The current detection switch module 1126 is according to the diverter module 1121st, TOF light sources 12 described in the comparison module 1125 and the output control of the wrong latch module 1122.

Step can also be included after the step 1002：One average low-pass module 1124 is provided, obtains the sampling module The average value of 1123 electric currents obtained, is sent to the comparison module 1125.

The step 1004 can also include step：One peak point current limitation module 1127 is provided, limits the circuit peak It is worth electric current.

The manufacture method 1000 includes step：The capacitance resistance ware in the TOF circuits is adjusted, to obtain predetermined grade Power output.

Specifically, including step：Adjust the diverter module 1121, the wrong latch module 1122, described average low The value of logical module 1124 and/or the capacitance resistance ware in peak point current limitation module 1127, to obtain predetermined grade output work Rate.

Further, the TOF circuit fabrication methods include step：By predetermined layout, the regulation diverter module is set 1121st, in the wrong latch module 1122, the average low-pass module 1124 and/or peak point current limitation module 1127 Circuit element.

According to the utility model above-described embodiment, the utility model provides a TOF circuit heat dissipating methods, as shown in figure 20, It is the block diagram of TOF circuits heat dissipating method 2000 according to above-described embodiment of the present utility model, the heat dissipating method 2000 includes step Suddenly：

2001：An at least wiring board is provided, an at least heat emission hole 131 is set in the wiring board；With

2002：One TOF circuits are set in the wiring board by predetermined cloth；

Wherein described step 2001 includes step：Adhere to a heat dissipating layer 132 in the wiring board precalculated position.

In wherein described step 2002, set by predetermined layout including the protection circuit 112 in the TOF circuits is neighbouring One TOF light sources 12 are set；

In wherein described step 2002, being set by predetermined layout is included the drive circuit 111 of the TOF circuits adjacent to institute TOF light sources 12 are stated to set.

In wherein described step 2002, the circuit element for including integrally setting the TOF circuits is set by predetermined layout.

The above-mentioned TOF camera modules 100 of the utility model can be applied to different fields, for example, for interaction entertainment, Action detection, Expression Recognition, entertainment advertisement, medical technology, Industry Control.The TOF camera modules 100 can be employed In different electronic equipments, such as, it can export to an electronic equipment 200, so that by the electronic equipment with the side of three-dimensional Formula reproduces electronic equipment citing ground described in the deep image information for the target that the TOF camera modules 100 gather but is not limited to intelligence Can mobile phone, tablet personal computer, wearable device, body feeling interaction equipment, distance-measuring equipment, stereoscopic imaging apparatus.The electronic equipment 200 Including an apparatus body 300, the TOF camera modules 100 are arranged at the apparatus body 300, the TOF camera modules The 100 cooperation apparatus bodies 300 realize the collection and reproduction of deep image information.Reference picture 21, institute is illustrated by taking mobile phone as an example State TOF camera modules 100 and be employed electronic equipment, those skilled in the art is it should be appreciated that electronic equipment shown in figure It is not limitation of the present utility model.

It should be understood by those skilled in the art that the embodiment of the present utility model shown in foregoing description and accompanying drawing is only used as Illustrate and be not intended to limit the utility model.The purpose of this utility model completely and effectively realizes.Work(of the present utility model Energy and structural principle show and illustrated in embodiment, under without departing from the principle, embodiment of the present utility model Can there are any deformation or modification.

Claims (63)

1.TOF circuits, it is characterised in that including：

One TOF circuit of light sources；With

One photosensitive circuit；Wherein described TOF circuit of light sources is used to drive a TOF light source works to produce light, and the light is through one The reflection light of target and the photosensitive circuit photosensitization, the TOF circuit of light sources coordinate processing institute with the photosensitive circuit Light and reflection light information is stated, obtains deep image information.

2. TOF circuits according to claim 1, wherein the TOF circuit of light sources includes a protection circuit, the protection electricity Road provides the TOF light sources predetermined limitation power.

3. TOF circuits according to claim 1, wherein the TOF circuit of light sources includes a protection circuit, wherein the guarantor Protection circuit includes a diverter module and a sampling module, and the diverter module and the sampling module electrically connect side by side, to carry out Separating flow sampling.

4. TOF circuits according to claim 3, wherein the diverter module is a resistance, the sampling module is an electricity Stream detection amplifier.

5. TOF circuits according to claim 3, wherein the protection circuit includes an average low-pass module, the sampling Module output current information to the average low-pass module, the average low-pass module processing current information obtains electric current and put down Average.

6. TOF circuits according to claim 5, wherein the average low-pass module is a resistance and an electric capacity.

7. TOF circuits according to claim 5, wherein the protection circuit includes a comparison module, the average low pass Module output information to the comparison module, the comparison module is compared processing.

8. TOF circuits according to claim 7, wherein the comparison module is a comparator chip.

9. TOF circuits according to claim 7, wherein the protection circuit includes a current detection switch module, it is described Comparison module output information is to the current detection switch module.

10. TOF circuits according to claim 9, wherein the current detection switch module is a current limiting load switch.

11. TOF circuits according to claim 9, wherein the protection circuit includes a wrong latch module, the shunting Module is exported to the wrong latch module, and the wrong latch module exports the status informations of the TOF light sources to the electricity Flow detection switch module.

12. TOF circuits according to claim 11, wherein the wrong latch module includes two series resistances and a protection Cap.

13. TOF circuits according to claim 11, wherein the current detection switch module latches mould with reference to the mistake The information of block and the comparison module controls the work of the TOF light sources.

14. TOF circuits according to claim 11, wherein the protection circuit includes peak point current limitation module, institute State peak point current limitation module and be connected to the current detection switch module, with limiting circuit peak working load power.

15. TOF circuits according to claim 14, wherein peak point current limitation module is a resistance.

16. according to any described TOF circuits of claim 2 to 15, wherein the circuit of light sources includes a power supply, the power supply Work energy is provided for the protection circuit.

17. according to any TOF circuits of claim 1 to 15, wherein the TOF light sources are VCSEL.

18. according to any described TOF circuits of claim 3 to 15, wherein the protection circuit includes an electric capacity, the electric capacity One end connects the diverter module, one end ground connection.

19. according to any described TOF circuits in claim 4,6,12,15, wherein the protection circuit is by adjusting capacitance-resistance Value changes limitation power, to obtain predetermined different brackets power output.

20. TOF circuits according to any one of claims 1 to 15, wherein the circuit of light sources includes one drive circuit, it is described Drive circuit is electrically connected to the photosensitive circuit, and the drive circuit drives the TOF light source works.

21. TOF circuits according to claim 20, wherein the drive circuit includes a buffer logic chip and one Mosfet transistor, the photosensitive circuit are communicatively coupled to the buffer logic chip, the buffer logic chip communication connection Institute's mosfet transistor.

22. TOF circuits according to claim 21, wherein the buffer logic chip and the mosfet transistor are neighbouring The TOF light sources are set.

23. TOF circuits according to claim 21, wherein the drive circuit includes an at least resistance and an electric capacity, institute State resistance and the electric capacity coordinates the buffer logic chip and mosfet transistor work.

24. TOF circuits according to claim 23, wherein the drive circuit includes 2 resistance and 6 electric capacity.

25. TOF circuits according to any one of claims 1 to 15, wherein the circuit of light sources includes a temperature sensing circuit, Wherein described temperature sensing circuit detects the TOF light-source temperatures.

26. TOF circuits according to claim 25, wherein the temperature sensing circuit includes a temperature sensor and an electricity Hold.

27. TOF circuits according to claim 26, wherein the temperature sensor and the electric capacity are adjacent to the TOF light Source is set.

28. according to any TOF circuits of claim 1 to 15, wherein the TOF circuits, which include a nominal data, preserves electricity Road, for preserving the nominal data of the TOF light sources.

29. TOF circuits according to claim 28, wherein the nominal data, which preserves circuit, includes a memory, an electricity Hold and a resistance.

30. TOF circuits according to claim 29, wherein the nominal data, which preserves circuit, is electrically connected to an interface list Member.

31. TOF circuits according to any one of claims 1 to 15, including an interface unit, the interface unit is used for Output information.

32. TOF circuits according to any one of claims 1 to 15, wherein the photosensitive circuit is including a sensitive chip and extremely Few electric capacity.

33. TOF circuits according to any one of claims 1 to 15, the TOF circuits are arranged at an at least circuit board, institute Stating circuit board has an at least heat emission hole.

34. TOF circuits according to claim 33, wherein the heat emission hole is cooperatively set with the TOF light sources.

35. TOF circuits according to claim 33, wherein the circuit board is provided with an at least heat dissipating layer, the heat dissipating layer Cooperatively set with the TOF light sources.

36. TOF circuits according to claim 35, wherein the heat dissipating layer is layers of copper.

37.TOF camera module protection circuits, it is characterised in that it is defeated that the protection circuit for a TOF light sources provides predetermined power Go out, the protection circuit is included to a resistance, by adjusting the resistance value, obtains intended power output.

38. the TOF camera module protection circuits according to claim 37, wherein the protection circuit includes a diverter module With a sampling module, the diverter module and the sampling module electrically connect side by side, to be shunted.

39. the TOF camera module protection circuits according to claim 38, wherein the diverter module is a resistance, it is described Sampling module is a current sense amplifier.

40. the TOF camera module protection circuits according to claim 38, wherein the protection circuit includes an average low pass Module, the sampling module output current information to the average low-pass module, the average low-pass module handle the electric current Information obtains current average.

41. TOF camera modules protection circuit according to claim 40, wherein the average low-pass module be a resistance and One electric capacity.

42. TOF camera modules protection circuit according to claim 40, wherein the protection circuit compares mould including one Block, average low-pass module output information to the comparison module, the comparison module are compared processing.

43. TOF camera modules protection circuit according to claim 42, wherein the comparison module is a comparator core Piece.

44. TOF camera modules protection circuit according to claim 42, wherein the protection circuit includes a current detecting Switch module, the comparison module output information to the current detection switch module.

45. TOF camera modules protection circuit according to claim 44, wherein the current detection switch module is a limit Current load switchs.

46. TOF camera modules protection circuit according to claim 43, latched wherein the protection circuit includes a mistake Module, the diverter module export to the wrong latch module, the wrong latch module and export the state of the TOF light sources Information is to the current detection switch module.

47. TOF camera modules protection circuit according to claim 46, wherein the wrong latch module includes two series connection Resistance and a protective cap.

48. TOF camera modules protection circuit according to claim 46, wherein the current detection switch module combination institute State the work of the information control TOF light sources of wrong latch module and the comparison module.

49. TOF camera modules protection circuit according to claim 46, wherein the protection circuit includes a peak point current Module is limited, the peak point current limitation module is connected to the current detection switch module, with limiting circuit peak value work work( Rate.

50. TOF camera modules protection circuit according to claim 49, wherein peak point current limitation module is an electricity Resistance.

51. according to any described TOF camera module protection circuits of claim 37 to 50, wherein the protection circuit includes one Power supply, the power supply provide work energy for the protection circuit.

52. according to any described TOF camera module protection circuits of claim 37 to 50, wherein the TOF light sources are VCSEL。

53. according to any described TOF camera module protection circuits of claim 38 to 50, wherein the protection circuit includes one Electric capacity, described electric capacity one end connect the diverter module, one end ground connection.

54. according to any described TOF camera module protection circuits in claim 39,41,47,50, wherein the protection electricity Road changes power output by adjusting capacitance-resistance value, to obtain predetermined different brackets power output.

55. the TOF circuits with radiator structure, it is characterised in that including

One TOF circuits, drive a TOF light source works；With

An at least wiring board, the TOF circuit boards are arranged at the wiring board, and at least one wiring board dissipates with least one Hot hole, with the heat caused by the TOF circuits that scatters and disappears.

56. TOF circuits according to claim 55, wherein the heat emission hole coordinates the TOF light sources to set.

57. TOF circuits according to claim 55, wherein the wiring board is provided with an at least heat dissipating layer, the heat dissipating layer It is equipped with the TOF light sources.

58. TOF circuits according to claim 55, wherein the wiring board includes a light source substrate and a lens substrate, The TOF light sources are arranged at the light source substrate, and the heat emission hole is arranged at the light source substrate, the TOF circuits quilt It is selectively arranged at the light source substrate and the lens substrate.

59.TOF camera modules, it is characterised in that including：

One light source cell；With

One light receiver unit；Wherein described light source cell produces light a to target, light and reflected by the target, the light Line receiving unit receives reflection light, and the information for combining incident ray and reflection light obtains deep image information.

60. TOF camera modules according to claim 59, wherein the light source cell includes a TOF light sources and a light source Circuit, the circuit of light sources drive the TOF light source works.

61. TOF camera modules according to claim 59, wherein light receiver unit include a photosensitive circuit and a camera lens Component, the lens assembly receive light, are transferred to the photosensitive circuit and carry out photosensitization.

A 62. electronic equipment, it is characterised in that including：

One equipment body；With

One is arranged at the equipment according to any described TOF camera modules of claim 59 to 61, the TOF camera modules Main body, the collection and reproduction for realizing depth image are coordinated with the equipment body.

63. electronic equipment according to claim 62, wherein the electronic equipment is selected from combination：Smart mobile phone, flat board electricity One or more in brain, wearable device, body feeling interaction equipment, distance-measuring equipment, stereoscopic imaging apparatus.