CN207066362U - Spatial digitizer - Google Patents

Abstract

The utility model discloses a kind of spatial digitizer, solves the unworkable problem of insufficient light in operating room, its drip irrigation device is, frame is provided with the operating room for being used for housing laser scanner and motion platform, position in operating room and at the top of it is provided with illuminating lamp, spatial digitizer of the present utility model, effectively the space in operating room can be illuminated using illuminating lamp；The spatial digitizer is by the way of the measurement of contactless high-rate laser, the geometry data and image data of complex object can be obtained, finally the cloud data and image data of collection are handled by the software of post processing data, and it is converted into locus coordinate or model in absolute coordinate system, it can export in a variety of formats, meet the data source of spatial information database and the needs of disparity items, its specific steps includes the acquisition of field data, the registration of range image, the pretreatment of data and achievement and makes and export.

Description

Spatial digitizer

Technical field

It the utility model is related to Laser Scanning Equipment, more particularly to spatial digitizer.

Background technology

Spatial digitizer is the high-efficiency high-precision automatic equipment exclusively for the exploitation of reverse-engineering field, can match a variety of mirrors Head, can for the scanning of all kinds of fine textures such as dermatoglyph, wallpaper, ornament materials, handicraft, coin mould and the three-dimensional surface of embossment The scanning result such as generation point cloud, STL, TIF.

Existing spatial digitizer generally comprises frame, laser scanner is provided with the operating room of frame and for band The motion platform of dynamic laser scanner action, in order to ensure safety, protective door is provided with the doorway of operating room.

But during being overhauled to the operating room of spatial digitizer, it is special because the light in operating room is weaker It is not that at night, staff can not see the situation in operating room clearly, it is necessary to by exterior lighting equipment, bother very much, therefore Certain room for improvement also be present.

Utility model content

The purpose of this utility model is to provide a kind of spatial digitizer with illumination functions.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of spatial digitizer, including frame, the frame, which is provided with, to be used to house laser scanner and motion platform Operating room, in the operating room and position at the top of it is provided with illuminating lamp；The doorway upper edge pivot joint of the operating room There is protective door, the rotational plane of the protective door is in be vertically arranged；The lower edge of the protective door has extended downwardly support plate, described On support plate close to operating room plate face and in being provided with transmitter module for launching infrared ray close to the position of its end, it is described The outside of frame and lower position in operating room are provided with the receiving module corresponding to transmitter module, and the receiving module is used for Receiving infrared-ray is simultaneously according to whether receiving infrared ray and exporting corresponding infrared detection signal；

Be additionally provided with the operating room for detect human body closer or far to export the human body of human testing signal Detection unit；

Also include logic gate, two inputs of the logic gate are respectively coupled to receiving module and people's physical examination Unit is surveyed with receiving infrared-ray detection signal respectively and human testing signal and exports the logical signal of response；The gate list The execution unit in response to logical signal is coupled with member；

When receiving module can't detect the infrared ray sent by transmitter module and human testing unit detects human body When close, the execution unit control illuminating lamp starts；Conversely, execution unit cuts off illuminating lamp.

Using such scheme, effectively the space in operating room can be illuminated using illuminating lamp；Support plate can be with The folding of protective door and away from or close to frame outside, whether received by the receiving module in frame by transmitter module The infrared ray sent, it can effectively judge the folding condition of protective door, only when protective door closes completely, the hair on support plate Penetrating module could be with receiving module face so that and receiving module can receive the infrared ray sent by transmitter module, so as to The infrared detection signal of corresponding states is exported to logic gate；Conversely, when protective door is in and does not close state, on support plate Transmitter module can not be with receiving module face so that receiving module can not receive the infrared ray sent by transmitter module, So as to export the infrared detection signal of another state to logic gate；And human testing unit can effectively monitor human body Close or remote, when receiving module detects that protective door is in open mode, while human testing unit detects that human body leans on During nearly operating room, execution unit can automatically turn on illuminating lamp, to be illuminated to operating room, eliminate the fiber crops of manual control It is tired；And when human body away from when, no matter whether protective door be in opening, execution unit can control illuminating lamp to be stopped, So as to save electric energy.

Preferably, the transmitter module includes being used for 555 multivibrators for launching oscillator signal and is coupled to 555 Multivibrator is to receive oscillator signal and export infrared ray to the infrared transmitting tube L1 of receiving module.

Using such scheme, 555 chip structures are simple, and cost is low, 555 multivibrator circuit structures being made up of it Simply, the oscillator signal of specific frequency can stably be exported to infrared transmitting tube so that infrared transmitting tube can export specific The infrared ray action of wavelength is in receiving module.

Preferably, the human testing unit, which is rpyroelectric infrared, detects circuit.

Using such scheme, pyroelectric sensor does not send any kind of radiation in itself, and device power consumption very little is disguised It is good, cheap, strong interference immunity, and can effective detection biology thermal source, so as to judge human body closer or far from.

Preferably, the protective door is provided with the longitudinal adjusting mechanism for being used for adjusting support plate lengthwise position, the longitudinal direction Governor motion includes being fixed on the mounting seat of protective door, and the mounting seat is located at side of the protective door away from operating room and in close The lower edge position of protective door, longitudinally through there is the slip hole that is worn for support plate sliding in the mounting seat；The mounting seat is remote End face from operating room offers and is communicated in the first screwed hole of slip hole, and the first screwed hole internal thread is connected with end and supported It is pressed on the first screw rod of support plate.

Using such scheme, sliding motion of the support plate in slip hole can effectively change the lengthwise position of support plate, so as to The relative longitudinal position between transmitter module and receiving module can be calibrated so that the detection of transmitter module and receiving module can It is more accurate；And the first screw rod circumferentially rotating in the first screwed hole can be changed into axial movement, when the first screw rod is screwed When tight, its end can be pressed on support plate, to lock relative position of the support plate in slip hole, so as to limit transmitter module with Relative longitudinal position between receiving module；Conversely, after the first screw rod is unscrewed, it can be unlocked to support plate so that branch Plate can carry out free sliding in slip hole, so as to change the relative longitudinal position between transmitter module and receiving module.

Preferably, first screw rod is fixed with the first gripping member beyond one end of mounting seat.

Using such scheme, the first gripping member, which easily facilitates, to be puted forth effort, so as to more easily drive the first screw rod to enter Row rotates.

Preferably, the frame is provided with the lateral adjustment for being used for adjusting receiving module lateral attitude, the horizontal stroke Including slide bar and sliding block to governor motion, the slide bar is horizontally set at the outside of frame and is located at the lower position of operating room, Length direction sliding of the sliding block along slide bar is connected on slide bar, and the receiving module is installed on sliding block away from slide bar End face.

Using such scheme, sliding of the sliding block on slide bar, the lateral attitude of receiving module on sliding block can be changed, so as to The opposed lateral positions between receiving module and transmitter module are adjusted, transmitter module is further lifted and is being pacified with receiving module Accuracy during dress.

Preferably, length direction of the side of the sliding block along slide bar is extended with location-plate, passed through on the location-plate The second screwed hole is installed with, the second screwed hole internal thread is connected with the second screw rod that end presses on slide bar.

Using such scheme, the second screw rod circumferentially rotating in the second screwed hole can be changed into axial movement；When When two screw rods are tightened, its end firmly can be connected on the shaft of slide bar, so as to relative between lock slider and slide bar Lateral attitude so that sliding block can not move；Conversely, after the second screw rod is unscrewed, it can solve the phase between lock slide and slide bar To lateral attitude, sliding block is set to affranchise mobile status.

Preferably, the described one end of second screw rod away from slide bar is fixed with the second gripping member.

Using such scheme, the second gripping member, which easily facilitates, to be puted forth effort, and is more easy to drive the second screw rod to be rotated, is further carried The convenience of lift operations.

In summary, the utility model has the advantages that：Can be effectively to the sky in operating room using illuminating lamp Between be illuminated；Support plate can with the folding of protective door and away from or close to frame outside, pass through the reception in frame Whether module receives the infrared ray sent by transmitter module, can effectively judge the folding condition of protective door, only when anti- When shield door closes completely, the transmitter module on support plate could be with receiving module face so that receiving module can be received by sending out The infrared ray that module is sent is penetrated, so as to export the infrared detection signal of corresponding states to logic gate；Conversely, when protection Door is not in when closing state, and the transmitter module on support plate can not be with receiving module face so that receiving module can not receive The infrared ray sent by transmitter module, so as to export the infrared detection signal of another state to logic gate；And human body Detection unit can effectively monitor the close or remote of human body, when receiving module detects that protective door is in open mode, together When human testing unit when detecting human body close to operating room, execution unit can automatically turn on illuminating lamp, to enter to operating room Row illumination, eliminate the trouble of manual control；And when human body away from when, no matter whether protective door be in opening, perform list Member can control illuminating lamp to be stopped, so as to save electric energy.

Brief description of the drawings

Fig. 1 is the structural representation one of the present embodiment；

Fig. 2 is the structural representation two of the present embodiment；

Fig. 3 is the partial sectional view of the present embodiment；

Fig. 4 is the circuit diagram one of the present embodiment；

Fig. 5 is the circuit diagram two of the present embodiment.

In figure：1st, frame；2nd, operating room；3rd, illuminating lamp；4th, protective door；5th, support plate；6th, transmitter module；7th, receiving module； 8th, human testing unit；9th, logic gate；10th, execution unit；11st, mounting seat；12nd, slip hole；13rd, the first screwed hole；14、 First screw rod；15th, the first gripping member；16th, slide bar；17th, sliding block；18th, location-plate；19th, the second screwed hole；20th, the second screw rod； 21st, the second gripping member.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

A kind of spatial digitizer disclosed in the present embodiment, as shown in figure 1, including frame 1, frame 1, which is provided with, to be used to house The operating room 2 of laser scanner and motion platform, the operating room 2 are located at the top position of frame 1.

The spatial digitizer can obtain the geometric figure of complex object by the way of the measurement of contactless high-rate laser Data and image data, finally the cloud data and image data of collection are handled by the software of post processing data, and turned Change locus coordinate or the model in absolute coordinate system into, can in a variety of formats export, meet spatial information data The data source in storehouse and the needs of disparity items.Comprise the following steps that：

（1）The acquisition of field data

The work for needing to prepare before scanning mainly includes two parts：First, control screen cloth is set, second, scanning website is laid.And The laying of control net is mainly in view of the geometric figure of the intervisibility and control net between control point, while to combine different on the spot Situation need to carry out rational reconnaissance.On the basis of the control net laid, website can be set up, the design of website should be protected Card can gather the data of required object completely, can also get up with control net simultaneous, so as to overall distance Image registration And Coordinate Conversion.

Field data scanning is exactly to be laid by actual scanning website, according to the rational scanning element spacing of feature and model Enclose, gather multiple visual angles, the data of multiple positions form complete destination object.

（2）The registration of range image

Raw data acquisition includes different points of view and the data of position, and these data need unified to the position of an entirety Put, it is necessary to control point or similar common portion are found in adjacent sites, these are utilized about by these characteristic conditions Beam relation is registering by range image, and most all range images are unified into the frame of reference at last.Coordinate system also will be according to tool Depending on body situation, generally require and be transformed into measuring coordinate system either building coordinate system, or the local coordinate of spatial object System.

（3）The pretreatment of data

Data prediction includes noise reduction with removing two parts.The raw data of range image includes two parts, A part be due to laser radar in itself in subject surface data procedures are obtained, include extraneous irrelevant blocking for target and Caused range image data existing noise in itself.Another noise is exactly error generation be present during Registration of Measuring Data, most Common is exactly " thickness " caused by data investigation, using between data, it is necessary to these noises are done with certain processing work, The method that selection is deleted by hand can be generally used for primary sources noise, for the general weight using overlapping region of the latter Sampling or the means of other reductions.

（4）Achievement makes and output

The most direct achievement of laser radar technique is exactly overall range image model and three-dimensional reconstruction model, and image can The achievement of making includes original model, section, character and data model（Include the triangulation network, Nurbs, simple geometry model Deng）.The model of colour can also be made, exports orthophotoquad and three-dimensional model etc..

In the operating room 2 and position at the top of it is provided with illuminating lamp 3, and the illuminating lamp 3 is preferably tubular lamp, and its is parallel to set It is placed in the top surface of operating room 2.

The doorway upper edge of operating room 2 is articulated with protective door 4, and the rotational plane of protective door 4 is in be vertically arranged, while in order to Stability when protective door 4 is opened is lifted, is articulated with gas spring, two gas springs in two relative side walls in operating room 2 The other end support respectively and be articulated in the both sides for covering face of protective door 4 so that protective door 4 upwards dig after, pass through gas bullet Spring can effectively be supported to it, so as to lift the stability of protective door 4；Conversely, after protective door 4 closes, gas spring It can accordingly be shunk and carry out angular transformation.

As shown in Figures 2 and 3, the lower edge of protective door 4 has extended downwardly support plate 5, and the support plate 5 is set in strip, support plate 5 The plate face of upper close operating room 2 is simultaneously provided with the transmitter module 6 for launching infrared ray in the position of its close end, such as Fig. 4 Shown, transmitter module 6 includes NE555 timers A1, resistance R1, R2, R3, electric capacity C1, C2 and infrared transmitting tube L1；NE555 determines When device A1 1 pin ground connection, resistance R1 is coupled between NE555 timers A1 2 pin and 3 pin；Infrared transmitting tube L1 anode coupling Be connected to 3 pin, negative electrode is grounded by resistance R3, and resistance R3 plays a part of current limliting, can effectively prevent infrared transmitting tube L1 due to Electric current is excessive and damages；NE555 timers A1 5 pin are grounded by electric capacity C2；The resistance R2 and electric capacity C1 being connected in series, resistance The R2 other end is coupled to voltage vcc, electric capacity C1 other end ground connection；NE555 timers A1 6 pin are coupled to resistance R2 and electricity Hold C1 tie point；Above-mentioned connected mode constitutes 555 multivibrators, and it can export the wave of oscillation of certain frequency in infrared hair Pipe L1 is penetrated, infrared transmitting tube L1 is exported the infrared ray of specific wavelength.

As shown in Figures 2 and 3, the outside of the frame 1 and lower position in operating room 2 is provided with corresponding to transmitter module 6 Receiving module 7, receiving module 7 is used for receiving infrared-ray and according to whether receives infrared ray and export the inspection of corresponding infrared ray Survey signal.As shown in figure 4, receiving module 7 includes infrared receiving tube L2, resistance R4, R5, R6, R7, R8, R9, electric capacity C3, C4, two Pole pipe D1 and comparator A2；Infrared receiving tube L2 plus earth, negative electrode are coupled to electric capacity C3 one end；The electric capacity C3 other end Diode D1 anode is coupled to, diode D1 negative electrode is coupled to resistance R6 one end, and the resistance R6 other end is coupled to ratio Compared with device A2 inverting input；Resistance R4 one end is coupled to electric capacity C3 and diode D1 tie point, other end ground connection；Electric capacity C4 one end is coupled to diode D1 negative electrode, other end ground connection；Resistance R5 one end is coupled to electric capacity C4 and resistance R6 company Contact, other end ground connection；Resistance R7 one end is coupled to voltage E, and the other end is coupled to comparator A2 in-phase input end；Resistance R8 one end is coupled to comparator A2 in-phase input end, other end ground connection；Comparator A2 exports infrared ray by resistance R9 and examined Survey signal.

Resistance R7 and R8 constitute bleeder circuit, and reference voltage, reference voltage are provided for comparator A2 in-phase input end Value is determined by ratio shared in voltage E resistance R8.Electric current can be produced when infrared receiving tube L2 receives infrared ray, and And as infrared ray is strong from weak change, electric current, which can be also followed from small, becomes big, comparator A2 anti-phase input terminal voltage is gradually risen It is high；When the voltage of inverting input is more than the reference voltage value of in-phase input end, comparator A2 exports low electricity by resistance R9 Flat infrared detection signal.

Conversely, when infrared receiving tube L2 is not received by infrared ray or very weak infrared ray, comparator A2's is anti-phase defeated Enter terminal voltage close to zero, at this moment comparator A2 passes through the infrared detection signal that resistance R9 exports high level；Wherein diode D1 plays rectified action, and electric capacity C4 plays filter action, and resistance R6 plays metering function, prevents input comparator A2 electric current mistake Comparator A2 is caused to damage greatly, resistance R9 also functions to metering function, prevents that the electric current that comparator A2 is exported is excessive.

Be additionally provided with operating room 2 for detect human body closer or far to export the human testing of human testing signal Unit 8, human testing unit 8 are that rpyroelectric infrared detects circuit, and it includes pyroelectric sensor N1, pyroelectric sensor N1's Input is coupled to voltage V4, and output end exports corresponding human testing signal, pyroelectric sensor N1 earth terminal ground connection.

The pyroelectric sensor mainly detecting element made of the material of high Seebeck coefficient, loads in each detector One or two detecting element, and by two detecting elements with opposite polarities in series, to suppress to produce because own temperature raises Interference；The infra-red radiation for detecting and receiving is transformed into faint voltage signal by detecting element, through in probe Outwards exported after FET amplification.

When someone is close to operating room 2, pyroelectric sensor N1 is able to detect that human infrared radiation, so as to export high electricity Flat human testing signal；Conversely, when there be nobody nearby for operating room 2, pyroelectric sensor N1 can't detect human body infrared spoke Penetrate, so as to export low level human testing signal.

Also include logic gate 9, the logic gate 9 is preferably AND gate, and it is to perform patrolling substantially for AND operation Gate circuit is collected, there is multiple inputs and an output end.When all inputs are simultaneously high level（Logic 1）When, output is For high level（Logic 1）, otherwise output is low level（Logical zero）.In the present embodiment, logic gate 9 is using with two The AND gate of input.Two inputs of logic gate 9 are respectively coupled to the defeated of receiving module 7 and human testing unit 8 Go out end, with receiving infrared-ray detection signal respectively and human testing signal and export the logical signal of response.

The execution unit 10 in response to logical signal is coupled with logic gate 9, the execution unit 10 includes relay KA, the triode Q1 of NPN type and sustained diode 2, one end of relay KA coil are coupled to voltage V5, other end coupling In triode Q1 colelctor electrode, the output end that triode Q1 base stage is coupled to logic gate 9 is launched with receiving logical signal Pole is grounded, and sustained diode 2 and relay KA coil inverse parallel, relay KA normally opened contact KA-1 is series at illuminating lamp 3 Current supply circuit.

When receiving module 7 can't detect the infrared ray sent by transmitter module 6 and human testing unit 8 detects people Body close to when, execution unit 10 control illuminating lamp 3 start；Conversely, execution unit 10 cuts off illuminating lamp 3.

The specific work process of foregoing circuit is as follows：

When protective door 4 closes completely, the transmitter module 6 on support plate 5 can make with the face of receiving module 7 in frame 1 The infrared ray sent by transmitter module 6 can be received by obtaining receiving module 7, so as to export low level infrared detection signal To the input of logic gate 9, logic gate 9 is set to export low level logical signal to triode Q1 base stage, three poles Pipe Q1 ends, and relay KA coil is in power failure state, and its corresponding normally opened contact KA-1 disconnects, to cut off illuminating lamp 3 Current supply circuit so that illuminating lamp 3 does not work.

When protective door 4 is in open mode, the transmitter module 6 on support plate 5 no longer with the face of receiving module 7 in frame 1, So that receiving module 7 can not receive the infrared ray sent by transmitter module 6, so as to export the infrared detection of high level letter Number to logic gate 9 input.

Now if pyroelectric sensor N1 of the human body in operating room 2, operating room 2 is able to detect that human body infrared spoke Penetrate, so as to export the human testing signal of high level to the input of logic gate 9, make two of logic gate 9 to input End is all high level, so as to export the logical signal of high level to triode Q1 base stage, turns on triode Q1, relay KA Coil obtain electric adhesive, its corresponding normally opened contact KA-1 closure, turn on the current supply circuit of illuminating lamp 3, illuminating lamp 3 is worked, With to being illuminated inside operating room 2.

Conversely, if human body can't detect human infrared radiation away from operating room 2, pyroelectric sensor N1, so as to defeated Go out low level human testing signal to the input of logic gate 9, logic gate 9 is exported low level logical signal To triode Q1 base stage, end triode Q1, relay KA coil losing electricity resets, its corresponding normally opened contact KA-1 weight It is new to disconnect, to cut off the current supply circuit of illuminating lamp 3, illuminating lamp 3 is stopped, so as to save electric energy.

As shown in figure 5, protective door 4 is provided with the longitudinal adjusting mechanism for being used for adjusting the lengthwise position of support plate 5, longitudinally adjust machine Structure includes being fixed on the mounting seat 11 of protective door 4, and mounting seat 11 is located at side of the protective door 4 away from operating room 2 and in close to anti- The lower edge position of door 4 is protected, it is set in square.The slip hole that wears is slid for support plate 5 longitudinally through having in mounting seat 11 12, the upper end of the slip hole 12 extends to the upper surface of mounting seat 11, and lower end extends to the lower surface of mounting seat 11；Slide simultaneously The cross sectional shape in hole 12 is consistent with the shape of cross section of support plate 5 so that support plate 5 can carry out stably longitudinal direction in mounting seat 11 Sliding.End face of the mounting seat 11 away from operating room 2 vertically offers the first screwed hole 13 for being communicated in slip hole 12, the first screw thread The internal thread of hole 13 is connected with the first screw rod 14 that end presses on support plate 5, and first one end of screw rod 14 away from support plate 5 is beyond installation The end face of seat 11.First screw rod 14 is fixed with the first gripping member 15 beyond one end of mounting seat 11, and first gripping member 15 is preferred For plum blossom handle.

Frame 1 is provided with the lateral adjustment for being used for adjusting the lateral attitude of receiving module 7, and lateral adjustment includes sliding Bar 16 and sliding block 17, slide bar 16 are horizontally set at the outside of frame 1 and positioned at the lower positions of operating room 2, and sliding block 17 is along cunning The length direction sliding of bar 16 is connected on slide bar 16, and receiving module 7 is installed on the end face away from slide bar 16 on sliding block 17.More Body, in laterally offering dovetail groove close to the end face of slide bar 16, the cross sectional shape of slide bar 16 is preferably and dovetail groove sliding block 17 Adaptable is trapezoidal so that sliding block 17 can stably slide on slide bar 16, and can not depart from.Meanwhile receiving module 7 is excellent Choosing is arranged at the end face center of sliding block 17.

Length direction of the side of sliding block 17 along slide bar 16 is extended with location-plate 18, and running through on location-plate 18 has the second spiral shell Pit 19, the internal thread of the second screwed hole 19 are connected with the second screw rod 20 that end presses on slide bar 16, and the second screw rod 20 is away from sliding One end of bar 16 exceeds the plate face of location-plate 18.Second one end of screw rod 20 away from slide bar 16 is fixed with the second gripping member 21, should Second gripping member 21 is preferably also plum blossom handle.

Specific work process is as follows：

When adjusting the lengthwise position of transmitter module 6, first pass through the first gripping member 15 and unscrew the first screw rod 14, to release branch The locking of plate 5 so that support plate 5 can in slip hole 12 straight skidding, so as to adjust the lengthwise position of transmitter module 6；True After the lengthwise position for determining transmitter module 6, then the first screw rod 14 tightened by the first gripping member 15, to lock support plate 5, so as to limit The lengthwise position of transmitter module 6.

When adjusting the lateral attitude of receiving module 7, first pass through the second gripping member 21 and unscrew the second screw rod 20, it is fixed to release The locking of position plate 18, so that sliding block 17 can carry out horizontal sliding on slide bar 16, to adjust the horizontal position of receiving module 7 Put；The second screw rod 20 is tightened it is determined that behind the lateral attitude of receiving module 7, then by the second gripping member 21, by location-plate 18 Locking, so as to limit the lateral attitude of receiving module 7.

Claims (8)

1. a kind of spatial digitizer, including frame (1), the frame (1), which is provided with, to be used to house laser scanner and motion The operating room (2) of platform, it is characterized in that：In the operating room (2) and the position at the top of it is provided with illuminating lamp (3)；It is described The doorway upper edge of operating room (2) is articulated with protective door (4), and the rotational plane of the protective door (4) is in be vertically arranged；It is described anti- The lower edge of shield door (4) has extended downwardly support plate (5), on the support plate (5) close to operating room (2) plate face and in close to its end The position in portion is provided with the transmitter module (6) for launching infrared ray, the outside of the frame (1) and under operating room (2) Orientation installs the receiving module (7) being equipped with corresponding to transmitter module (6), and the receiving module (7) is used for receiving infrared-ray and root According to whether receiving infrared ray and export corresponding infrared detection signal；

Be additionally provided with the operating room (2) for detect human body closer or far to export people's physical examination of human testing signal Survey unit (8)；

Also include logic gate (9), two inputs of the logic gate (9) be respectively coupled to receiving module (7) and Human testing unit (8) is with receiving infrared-ray detection signal respectively and human testing signal and exports the logical signal of response；Institute State the execution unit (10) being coupled with logic gate (9) in response to logical signal；

When receiving module (7) can't detect the infrared ray sent by transmitter module (6) and human testing unit (8) detects Human body close to when, the execution unit (10) control illuminating lamp (3) starts；Conversely, execution unit (10) cut-out illuminating lamp (3).

2. spatial digitizer according to claim 1, it is characterized in that：The transmitter module (6) includes being used to launch vibration 555 multivibrators of signal and 555 multivibrators are coupled to receive oscillator signal and export infrared ray to receiving mould The infrared transmitting tube L1 of block (7).

3. spatial digitizer according to claim 1, it is characterized in that：The human testing unit (8) is rpyroelectric infrared Detect circuit.

4. spatial digitizer according to claim 1, it is characterized in that：The protective door (4), which is provided with, to be used to adjust support plate (5) longitudinal adjusting mechanism of lengthwise position, the longitudinal adjusting mechanism include being fixed on the mounting seat (11) of protective door (4), institute State mounting seat (11) and be located at side of the protective door (4) away from operating room (2) and in close to the lower edge position of protective door (4), institute State in mounting seat (11) longitudinally through having for the slip hole (12) that wears of support plate (5) sliding；The mounting seat (11) is away from work The end face of room (2) offers the first screwed hole (13) for being communicated in slip hole (12), and the first screwed hole (13) internal thread connects It is connected to the first screw rod (14) that end presses on support plate (5).

5. spatial digitizer according to claim 4, it is characterized in that：First screw rod (14) is beyond mounting seat (11) One end is fixed with the first gripping member (15).

6. spatial digitizer according to claim 1, it is characterized in that：The frame (1), which is provided with to be used to adjust, receives mould The lateral adjustment of block (7) lateral attitude, the lateral adjustment include slide bar (16) and sliding block (17), the slide bar (16) it is horizontally set at the outside of frame (1) and positioned at the lower position of operating room (2), the sliding block (17) is along slide bar (16) Length direction sliding be connected on slide bar (16), the receiving module (7) is installed on sliding block (17) away from slide bar (16) End face.

7. spatial digitizer according to claim 6, it is characterized in that：The side of the sliding block (17) is along slide bar (16) Length direction is extended with location-plate (18), and running through on the location-plate (18) has the second screwed hole (19), second screwed hole (19) internal thread is connected with the second screw rod (20) that end presses on slide bar (16).

8. spatial digitizer according to claim 7, it is characterized in that：The one of the remote slide bar (16) of second screw rod (20) End is fixed with the second gripping member (21).