CN206274346U

CN206274346U - A kind of range unit

Info

Publication number: CN206274346U
Application number: CN201621162489.3U
Authority: CN
Inventors: 李跃明
Original assignee: Hangzhou Great Star Industrial Co Ltd
Current assignee: Hangzhou Great Star Industrial Co Ltd
Priority date: 2016-10-25
Filing date: 2016-10-25
Publication date: 2017-06-23
Anticipated expiration: 2026-10-25

Abstract

The utility model is related to a kind of range unit, including housing and laser ranging system, the laser ranging system to be located at the enclosure interior and/or its outer surface.The utility model has the advantage of, a kind of range unit is provided, tape measure is combined with laser range finder, it is provided simultaneously with short distance range finding and long range distance measurement function, with it is simple to operate, easy to carry, with low cost, certainty of measurement is high the features such as, be suitable to construction, indoor decoration, danger zone measurement etc. field large-scale promotion application.

Description

A kind of range unit

Technical field

The utility model is related to field of tool of finding range, and in particular to a kind of range unit.

Background technology

Tape measure and laser range finder are all a kind of common range finding instruments, can be applied to construction, indoor decoration, traffic The fields such as accident treatment.The tape measure of prior art, needs to make the ruler end part of tape, measurement end and testee in use Level is corresponding one by one for initial end, end, it is therefore desirable to which survey crew's hand or other servicing units cause tape and testee Keep laminating.Under some specific occasions, ordinary tape measure operation inconvenience, certainty of measurement are relatively low.For example measured in hazardous location and led Domain, the practicality of ordinary tape measure is just poor.

For another example in the realm of building construction, it is often necessary to use tape measure ground survey high-altitude lateral object length or with The distance of certain vertical object of reference.Because tape measure is without specific attachment point, the sight of people itself can only be relied on to measure starting every sky Or the judgement of terminal, therefore the error of measured value is larger, certainty of measurement is poor, the numerical value of mistake can be to ensuing construction Work is adversely affected.If it is desired to obtaining more accurate eminence measurement data, it is necessary to survey crew sets up shelf with tape measure Or ladder high climbs to eminence, tape measure is attached in object being measured could complete measurement.If testee length is larger, it is necessary to two Workman more than individual climbs to eminence jointly could complete measurement process, and troublesome poeration, human cost are higher, and survey crew climbs It is dangerous larger to eminence in the presence of certain risk of falling.

Further, since the tape limited length of tape measure, its application scenarios is limited by tape measure length, and range ratio relatively has Limit, is only used for the less occasion in space, it is impossible to for the occasion that space is larger.The range of ordinary tape measure, typically 5 meters, 7.5 Rice or 10 meters or so；Some special tape measures, range even can reach 15 meters or 20 meters.However, the range of tape measure is bigger, its Volume is also bigger, therefore survey crew carries and uses inconvenience.

Although the laser range finder certainty of measurement of prior art is higher, volume is larger, relatively costly, carry and using not Just；Although some portable laser rangefinder small volumes, are easy to carry, after a long time use, the hair of its lasing light emitter The smooth surface of smooth surface and light sensitive device can all be subject to larger abrasion, so as to influence light feedback sensitivity and range accuracy.And, Laser range finder is larger in short distance range finding time error, and the field such as decoration is restricted larger indoors, it is difficult to which large-scale promotion should With.

Utility model content

The purpose of this utility model is to provide a kind of range unit, solves the tape measure of prior art under specific occasion, Operation inconvenience, the technical problem such as certainty of measurement is low, inconvenient to carry.

In order to solve the above technical problems, the utility model provides a kind of range unit, including housing and laser ranging system； The laser ranging system is located at the enclosure interior and/or its outer surface.The laser ranging system is filled including laser Put, photoelectric conversion device, circuit board and power supply.The generating device of laser is used for emission measurement light beam to determinand；It is described to treat Survey thing and reflect the measuring beam, generate reflection light；Photoelectric conversion device is used to capture all or part of reflection light, The optical signal of the reflection light that will be captured is converted at least one feedback electric signal；The power supply is connected to the laser to be occurred Device, the photoelectric conversion device and the circuit board.The circuit board is provided with least one processor；The processor connects The generating device of laser is connected to, for controlling the generating device of laser；The processor is connected to the opto-electronic conversion dress Put, for obtaining the feedback electric signal, and calculate the distance of the determinand and the range unit.

Further, the generating device of laser includes light-emitting area；The photoelectric conversion device is included located at described luminous Smooth surface by face；The light-emitting area is arranged side by side or setting up and down in the housing outer surface with the smooth surface.Or, institute Stating generating device of laser includes light-emitting area；The photoelectric conversion device includes the smooth surface by the light-emitting area；The shell External surface is provided with the radiating laser beams mouthful just to the light-emitting area and is just being sent out to the smooth surface and located at the laser beam Light receiver hole by loophole；The radiating laser beams mouthful are arranged side by side or setting up and down with the light receiver hole；The hair Smooth surface is by the radiating laser beams mouthful transmitting measuring beam；The smooth surface captures described by the light receiver hole Reflection light.

Further, the central point of the smooth surface is located along the same line with the central point of the light-emitting area；It is described to receive The area of smooth surface is 3~10 times of the area of the light-emitting area.

Further, the range unit also includes the tape structure in the housing.

Further, the generating device of laser, the photoelectric conversion device all positioned at the tape structure top or Lower section；The power supply is located at the left side or right side of the tape structure.

Further, the power supply is all located at the tape measure knot with the generating device of laser, the photoelectric conversion device The above or below of structure；The generating device of laser, the photoelectric conversion device all be located at the power supply above or below or Left side or right side.

Further, the power supply is located at the above or below of the tape structure；The generating device of laser, the light Electrical switching device is located at the left side or right side of the tape structure.

Further, the circuit board level is arranged at the top of the tape structure；Or, it is vertically arranged at the volume The left side or right side of chi structure.

Further, the tape structure includes tape measure wheel, tape, band outlet, briquetting and locking key.The tape measure wheel In the housing；The tape is completely or partially wound on the tape measure wheel；One end of the tape is fixedly attached to The volume gear, its other end is provided with ruler end part；The band outlet leads to located at the lower end of the hull outside wall, the ruler end part The band outlet is crossed to stretch out outside the housing；The briquetting is close at the band outlet in the housing, for compressing State tape so that the tape keeps constant in the length of the hull outside；The locking key is located at the housing outer surface, For controlling the briquetting to compress or loosen the tape.

Further, the range unit also includes the second tape structure, in second shell body；Second housing can It is detachably connected with to the housing.

Further, the housing is L-shaped；The housing includes horizontal part and vertical portion；Horizontal position is in the shell Body top；Vertical portion is located at the lower housing portion；Wherein, the second housing detachable connection is to the lower-left of the housing Side.

Further, the housing includes at least one first draw-in grooves, and the first draw-in groove is recessed in the housing vertical portion Left surface；Second housing includes at least one first card articles, and the first card article protrudes from the right flank of second housing；When When second housing is connected to the housing, first card article snaps into first draw-in groove.

Further, the housing includes at least one connector, and the housing level is protruded downward from per a connection piece The bottom surface in portion；Left surface of the connector near the housing；The nut of a horizontal direction, the spiral shell are provided with per a connection piece It is female towards the left side of the housing.Second housing includes at least one connection through hole, at least one screw and at least Individual screw, each connection through hole is vertically through second housing top surface；Its position is corresponding with the position of the connector； The screw level is through the second housing left surface.When second housing is connected to the housing, the connection Part passes through the connection through hole；Each nut one screw of correspondence, the nut and screw for corresponding to each other is located along the same line； Each screw is fixed on to should be on the nut of screw through screw.

Further, second tape structure include volume Two foot wheel, the second tape, the second band outlet, the second briquetting, Second locking key.Volume Two foot wheel is in the second shell body；Second tape is completely or partially wound in second tape measure On wheel.One end of second tape is fixedly attached to the volume Two gear, and its other end is provided with the second ruler end part；Second goes out With mouth located at the lower end of the second hull outside wall, second ruler end part stretches out described second by second band outlet Outside housing.Second briquetting is in the second shell body and at second band outlet；For compressing second tape, So that second tape keeps constant in the length of second hull outside；Second locking key is external located at the second shell Surface, for controlling second briquetting to compress or loosen second tape.

Further, second housing includes rectangular through-hole, vertically through second housing top surface, positioned at described Volume Two foot wheel top.The housing includes bow-shaped recess, indent in the housing bottom surface, positioned at rectangular through-hole top； When second housing is connected to the housing, the top of the second tape being wound in the volume Two foot wheel is described in Rectangular through-hole and it is placed in the bow-shaped recess.

Described range unit also includes housing overcoat, and housing overcoat is horizontal " recessed " shape；When second housing connects When being connected to the housing, the housing overcoat is coated on the outer surface of the housing and second housing.

The housing includes at least one second draw-in grooves, is recessed in the leading flank and trailing flank of the housing vertical portion；Institute Stating housing overcoat includes at least one second card articles, protrudes from the medial surface of the housing overcoat, and correspondence second draw-in groove； When the housing overcoat is coated on the housing outer surface, second card article snaps into second draw-in groove.

The housing overcoat include the first overcoat through hole, the second overcoat through hole, the 3rd overcoat through hole, the first overcoat breach with And the second overcoat breach.First overcoat through hole runs through the top surface of the housing overcoat, the correspondence display device；Second overcoat Through hole runs through the right flank of the housing overcoat, the correspondence power supply；3rd overcoat through hole runs through the housing overcoat Bottom surface, the correspondence locking key；First overcoat breach is located at the left surface on the housing overcoat top, correspondence；Second overcoat lacks Left surface of the mouth located at the bottom of the housing overcoat.

Further, the range unit also includes display device, and the display device is connected to the processor；For Show the distance of the determinand and the range unit.The display device is located at the housing outer surface, preferably described shell The upper surface of body, preceding surface or rear surface.

Further, the range unit also includes operation device, is connected to the processor, for sending at least one Control instruction is to the laser ranging system.The operation device includes guidance panel and operation circuit plate, the guidance panel Located at the upper surface of the housing, preceding surface or rear surface, for the control action of typing at least one, each control action pair Answer a control instruction；The operation circuit plate is connected to the processor located at guidance panel lower section, for by described in At least one control action is converted at least one electric signal, and sends the electric signal to the processor；Each telecommunications Number one control instruction of correspondence；The control instruction includes but is not limited to enabled instruction, out code, store instruction.

Further, the circuit board is provided with memory, and the memory is connected to the processor；For storing State the distance of determinand and the range unit.

Further, the generating device of laser includes but is not limited to laser tube；The photoelectric conversion device include but not It is limited to photoelectric sensor；The power supply includes but is not limited to button battery, cuboid battery or cylindrical cell.

The utility model has the advantage of, there is provided a kind of range unit, existing laser range finder is made and is efficiently modified, with Extend the service life of laser range finder, even if the light feedback that will not also reduce laser range finder after a long time use is sensitive Degree and certainty of measurement.With laser range finder be combined tape measure by the utility model, is provided simultaneously with short distance range finding and surveys over long distances Away from function, with it is simple to operate, easy to carry, with low cost, certainty of measurement is high the features such as, be suitable in construction, indoor dress The field large-scale promotion applications such as pool, danger zone measurement.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the utility model embodiment 1；

Fig. 2 is the structural representation after the housing leading flank of the utility model embodiment 1 is opened；

Fig. 3 is the structural representation after the housing trailing flank of the utility model embodiment 1 is opened；

Fig. 4 is the structural representation after the removal housing of the utility model embodiment 1；

Fig. 5 is the structured flowchart of the circuit of the utility model embodiment 1；

Fig. 6 is the overall structure diagram of the utility model embodiment 2；

Fig. 7 is the structural representation after the housing leading flank of the utility model embodiment 2 is opened；

Fig. 8 is the structural representation of another angle after the housing leading flank of the utility model embodiment 2 is opened；

Fig. 9 is the overall structure diagram of the utility model embodiment 3；

Figure 10 is the structural representation after the housing leading flank of the utility model embodiment 3 is opened；

Figure 11 is the structural representation of another angle after the housing leading flank of the utility model embodiment 3 is opened.

Figure 12 is the overall structure diagram of the utility model embodiment 4；

Figure 13 is the structural representation after the housing leading flank of the utility model embodiment 4 is opened；

Figure 14 is the structural representation after the removal housing of the utility model embodiment 4.

Figure 15 is the overall structure diagram of the utility model embodiment 5；

Figure 16 is the decomposition texture schematic diagram of the utility model embodiment 5；

Figure 17 is the structural representation after the housing trailing flank opening in the utility model embodiment 5；

Figure 18 is the structural representation of the housing lower left side in the utility model embodiment 5；

Figure 19 is the structural representation of the second housing in the utility model embodiment 5；

Figure 20 is the structural representation after the second housing leading flank opening in the utility model embodiment 5；

Figure 21 is the structural representation of housing overcoat in the utility model embodiment 5；

Figure 22 is the structural representation of another angle of housing overcoat in the utility model embodiment 5.

Part numbers are as follows in figure：

1 housing, 2 laser ranging systems, 3 tape structures, 4 second housings, 5 second tape structures, outside 6 housings Set, 7 clips；

11 leading flanks, 12 trailing flanks, 13 left surfaces, 14 right flanks, 15 top surfaces, 16 bottom surfaces, 17 radiating laser beams Mouthful, 18 light receiver holes；

21 generating device of laser, 22 photoelectric conversion devices, 23 circuit boards, 24 display devices, 25 operation devices, 26 Power supply；

31 tape measure wheels, 32 tape, 33 band outlets, 34 briquettings, 35 locking keies, 36 ruler end parts；

51 volume Two foot wheels, 52 second tape, 53 second band outlets, 54 second briquettings, 55 second locking keies, 56 Second ruler end part；

101 horizontal parts, 102 vertical portions, 103 first draw-in grooves, 104 connectors, 105 nuts, 106 bow-shaped recess, 107 second draw-in grooves；

211 light-emitting areas, 221 smooth surfaces, 231 processors, 232 memories；

251 guidance panels, 252 operation circuit plates, 253 buttons；

401 first card articles, 402 connection through holes, 403 screws, 404 screws, 405 rectangular through-holes；

601 second card articles, 602 first overcoat through holes, 603 second overcoat through holes, 604 the 3rd overcoat through holes, 605 First overcoat breach, 606 second overcoat breach.

Specific embodiment

Five preferred embodiments of the present utility model are introduced below with reference to Figure of description, can be to the technology in this area Personnel's complete description the utility model, makes its technology contents more clear and readily appreciates.The utility model can be by many The embodiment of multi-form is emerged from, and protection domain of the present utility model is not limited only to the embodiment mentioned in text.

In the accompanying drawings, structure identical part represents with same numbers label, everywhere the similar component of structure or function with Like numeral label is represented.The size and thickness of each component shown in the drawings are arbitrarily to show, the utility model does not have Limit the size and thickness of each component.In order that diagram is apparent, the appropriate thickness for exaggerating part in some places in accompanying drawing.

The direction term that the utility model is previously mentioned, for example " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., is only the direction in accompanying drawing, is used only to explain and illustrate the utility model, rather than for limiting this The protection domain of utility model.

When some components be described as " " another component " on " when, the component can be placed directly within another component On；Can also there is an intermediate module, the component is placed on the intermediate module, and the intermediate module is placed in another component On.When a component is described as " being attached to " or " being connected to " another component, the two can be understood as directly " installation " or " connection ", or a component is by indirect " being attached to " or " being connected to " another component of an intermediate module.

Embodiment 1

As Figure 1-3, embodiment 1 provides a kind of range unit that can independently realize laser ranging, including shell Body 1 and laser ranging system 2；Laser ranging system 2 is located at the inside of housing 1 and/or its outer surface.

As shown in figure 1, housing 1 is an irregular cuboid, its width is equal or approximately equal with height, its thickness About the 25%~40% of its width.Housing 1 has six faces, respectively leading flank 11, trailing flank 12, left surface 13, right flank 14th, top surface 15, bottom surface 16.

As shown in Figure 2 and Figure 3, laser ranging system 2 includes generating device of laser 21, photoelectric conversion device 22, circuit board 23rd, display device 24, operation device 25 and power supply 26.The preferred laser tube of generating device of laser 21, i.e. glass enclosed type CO₂Laser Device, but it is not limited to laser tube, or other can produce the device of laser beam.The preferred photoelectric transfer of photoelectric conversion device 22 Sensor, but it is not limited to photoelectric sensor, or other can capture light and convert optical signals to the dress of electric signal Put.Generating device of laser 21 can be to be arranged side by side with photoelectric conversion device 22, or setting up and down.In the present embodiment, Generating device of laser 21 and the integrated setting of photoelectric conversion device 22.

As shown in figure 4, generating device of laser 21 includes light-emitting area 211, photoelectric conversion device 22 includes smooth surface 221.Receive Smooth surface 221 is arranged at the side of light-emitting area 211, and adjacent to each other with light-emitting area 211, the two can be to be arranged side by side, or on Lower setting.

As shown in figure 5, circuit board 23 is provided with least one processor 231.Processor 231 is connected to generating device of laser 21, for controlling the normal work of generating device of laser 21.Processor 231 is connected to photoelectric conversion device 22, is fed back for obtaining Electric signal, and calculate the distance of determinand and range unit described in the present embodiment.Selectively, it is also provided with circuit board 23 Memory 232, memory 232 is connected to processor 231, the distance for storing the determinand and the range unit, with Just read-record can also be checked from display device 24 again when user forgets reading.

At work, processor 231 sends control signal to the present embodiment, and the transmitting laser beam of order generating device of laser 21 is made It is measuring beam to determinand；Measuring beam determinand surface formed reflect, produce reflection light, in reflection light parallel to A part of light of measuring beam device 22 that can be photoelectrically converted is captured, and is converted into electric signal, is fed back to Processor 231.One timer can be set inside processor 231, record from the transmitting laser beam of generating device of laser 21 when Between point and obtain feedback electric signal time point, can just calculate the determinand and institute according to two time differences at time point State the distance between range unit.Within this time period, laser beam with the light velocity the determinand and the range unit it Between come and go and advance, the half of the product of the time difference and the light velocity is to be measured between the determinand and the range unit Distance.

In the present embodiment, the light-emitting area of generating device of laser can all be arranged at shell with the smooth surface of photoelectric conversion device External surface (such as housing left surface 13), generating device of laser 21 launches laser beam as measuring beam from light-emitting area 211；Photoelectricity Conversion equipment 22 captures the reflection light of outside by smooth surface 221.Because laser beam is put down where light-emitting area 211 all the time Face, therefore light-emitting area 211 can be used for help user's aiming determinand；So that laser beam can be with direct irradiation to determinand Ensure reflecting effect, preferably shine directly into the plane on determinand, and make as far as possible laser beam can with vertical irradiation to the plane, Can so cause that more light can be reflected back range unit with former road so that measurement result is more accurate.

If light-emitting area and smooth surface are arranged at into housing outer surface, carrying, using and management process in, it is easy to receive It is more due to wearing and tearing after long-term use to abrasion, the light feedback sensitivity and certainty of measurement of rangefinder will be reduced, reduce Service life.Therefore, the present embodiment also provides following technical scheme.

As Figure 1-4, housing 1 is provided with radiating laser beams mouthful 17 and light receiver hole 18, and radiating laser beams mouthful 17 are just To light-emitting area 211, light receiver hole 18 is just to smooth surface 221.Because light-emitting area 211 and smooth surface 221 are adjacent to each other, laser beam Emission port 17 is also disposed adjacent to each other with light receiver hole 18.In the present embodiment, radiating laser beams mouthful 17 and light receiver hole 18 are all arranged on housing left surface 5.

Light-emitting area 211 is completely set up inside housing 1 with smooth surface 221, rather than the surface of housing 1, can protect luminous , from abrasion, the influence of dust, moisture content to electronic device in surrounding environment is reduced with smooth surface 221 in face 211.Do not influenceing laser On the premise of generating means 21, the normal work of photoelectric conversion device 22, further raising light-emitting area 211 makes with smooth surface 221 With the life-span, it is ensured that the light feedback sensitivity and certainty of measurement of range unit.

Generating device of laser 21 is used as measuring beam by the transmitting laser beam of radiating laser beams mouthful 17；Photoelectric conversion device 22 The reflection light of outside is captured by light receiver hole 18.Because laser beam is put down where radiating laser beams mouthful 17 all the time Face, therefore radiating laser beams mouthful 17 are used to help user's aiming determinand；So that laser beam can be with direct irradiation to determinand Ensure reflecting effect, preferably shine directly into the plane on determinand, and make as far as possible laser beam can with vertical irradiation to the plane, Can so cause that more light can be reflected back range unit with former road so that measurement result is more accurate.

In the present embodiment, central point and the central point of smooth surface 221 of light-emitting area 211 are located along the same line, light-emitting area 211 is nearer with the distance of smooth surface 221, and light receiver hole 18 is nearer with the distance of radiating laser beams mouthful 17, and error is smaller.It is theoretical Upper theory, if light-emitting area 211 is completely superposed with the central point of smooth surface 221, error is minimum, but difficult to realize at present.

Generally, the area of smooth surface 221 is 3~10 times of the area of light-emitting area 211, because radiating laser beams are gone out When can be always maintained at straight line traveling, but after determinand surface is reflected, if determinand is not reflecting effect pole Good minute surface, even if laser beam can be perpendicular to the irradiation of determinand surface on the test object, it is also difficult to can be with original after ensureing to reflect Road returns to the light intensity and quantity near light-emitting area 211.Therefore, the appropriate area for expanding smooth surface 221 can be carried further High measurement accuracy, improves feedback sensitivity.

Because light-emitting area 211 and smooth surface 221 can be to be arranged side by side or setting up and down, therefore, radiating laser beams mouthful 17 Can also be to be arranged side by side or setting up and down with light receiver hole 18.Radiating laser beams mouthful 17 are more bigger than light-emitting area 211, and light connects Batter 18 is more bigger than smooth surface 221；Because the area of smooth surface 221 is generally 3~10 times of the area of light-emitting area 211, light The area of receiver hole 18 is also 3~10 times of the area of radiating laser beams mouthful 17.

In the present embodiment, the preferred display screen of display device 24 located at the outer surface of housing 1 and is connected to processor 231；For Show the distance of the determinand and the range unit.

In the present embodiment, operation device 25 is located at the outer surface of housing 1 and is connected to processor 231；For sending at least one Individual control instruction is to laser ranging system 21.

Operation device 25 includes guidance panel 251 and operation circuit plate 252.Guidance panel 251 is preferably disposed to the upper of housing 1 Surface, it is also possible to located at the preceding surface or rear surface of housing 1, guidance panel 251 is used for the control action of typing at least one, each One control instruction of individual control action correspondence.Operation circuit plate 252 is connected to processor 231 located at the lower section of guidance panel 251； At least one control action is converted at least one electric signal by operation circuit plate 252, and sends the electric signal to place Reason device 231；Each electric signal one control instruction of correspondence.

In the present embodiment, guidance panel 251 is provided with three buttons 253, and three control instructions are corresponded to respectively, that is, start and refer to Make, out code, store instruction, for start range unit, close range unit or storage determinand and range unit away from From.User operates to guidance panel 251, presses some button to be input into a control instruction, and guidance panel 251 is simultaneously One control action of typing, user is converted into electric signal by operation circuit plate 252 using the control instruction of key-press input, according to quilt The button pressed transmits an electric signal comprising control instruction to processor 231.Guidance panel 251 be also provided with other by Key 253, to be input into more control instructions.

Operate and use for the ease of user, the display device 24, operation device 25 in the present embodiment are preferably disposed to housing 1 The technical scheme of upper surface (outer surface of top surface 15), user can see that guidance panel 251 once bowing, be easy to operate the survey Away from device, and read the reading of testing distance.Display device 24 with integrated design, namely can use touch with operation device 25 Screen, while realizing operational control function and reading display function.Because touch-screen is relatively costly, this scheme is also received in the application To a definite limitation.

In the present embodiment, power supply 26 can be set up in parallel for a button battery, a cuboid battery or two Cylindrical cell.Button battery small volume, take up room it is also small, can effectively smaller range unit volume, but Button battery electricity is smaller, and user needs frequently replacing battery, use cost higher.Cuboid battery, cylindrical cell ratio The electricity of button battery is bigger, and battery altering is less, can reduce use cost, but volume is larger, carries using more not Just.The cuboid battery, the cylindrical cell all can be rechargeable battery, so as to further reduce use cost.

The present embodiment is additionally provided with a fixed installation plate (not shown), can be fixed to housing by connectors such as screw and nuts 1, the part such as generating device of laser 21, photoelectric conversion device 22, circuit board 23, tape structure 3 can be arranged on the fixation On installing plate.

Embodiment 1 has technical effect that, there is provided a kind of laser ranging system that can independently realize distance measurement function, and existing Common laser rangefinder is compared in having technology, can effectively protect the light-emitting area of generating device of laser and receiving for photoelectric conversion device Smooth surface, reduces meaningless abrasion, and dustproof and waterproof works well, the service life of effective elongate member, even if after long-term use Also ensure the certainty of measurement of light feedback sensitivity higher and Geng Gao.

Embodiment 2

Range unit described in embodiment 1, only possesses laser ranging function, is found range more suitable for long range, measured From shorter scene, for example, in the case that testing distance is less than 1 meter or 2 meters, the error of laser ranging system will be very big, Certainty of measurement is relatively low.

Therefore, embodiment 2 provides another technical scheme, including embodiment 1 whole technical schemes, its difference technology is special Levy and be, as shown in figs 6-8, tape structure 3 is additionally provided with housing 1.Laser ranging system 2 and tape measure are set simultaneously in housing 1 Structure 3, it is possible to reduce the gap of housing, strengthens dustproof and waterproof effect.

As shown in figs 6-8, tape structure 3 includes tape measure wheel 31, tape 32, band outlet 33, briquetting 34 and locking key 35. Tape measure wheel 31 is in housing 1；Tape 32 is all or part of to be wound on tape measure wheel 31；One end of tape 32 is fixedly attached to volume Gear 31, its other end is provided with ruler end part 36.Band outlet 33 passes through band outlet located at the lower end of the lateral wall of housing 1, ruler end part 36 33 stretch out outside housing 1；Briquetting 34, when tape 32 is pulled out from housing 1, is pressed in housing 1 and at band outlet 33 Block 34 can be used to compress tape 32 so that length of the tape 32 outside housing 1 keeps constant；Locking key 35 is outside housing 1 Surface, for controlling briquetting 34 to compress or loosen tape 33.

Tape structure 3 can also be any tape measure of the prior art.Tape structure 3 at work, using chi end Portion 36 pulls out tape 32 from housing 1, is used to complete measurement., it is necessary to press locking key 35 after measurement, the briquetting 34 in it is pressed Tight tape 32 so that length of the tape 32 outside housing 1 keeps constant, so as to the length registration for being able to read in tape 32. In the present embodiment, locking key 35 is a button located at the bottom surface 16 of housing 1, and after pressing for the first time, briquetting 34 compresses tape 32； After reading length value, after pressing again, briquetting 34 loosens tape 32, and after length registration is read, tape 32 is contracted to Inside housing 1.

Tape structure 3 is preferably as follows scheme, and the width of tape 32 is less than or equal to 2 centimetres, preferably 1 centimetre；Tape 32 Length is less than or equal to 2 meters, effectively reduces the volume of tape 32 being wrapped on tape measure wheel 31, reduces tape 32 and is filled in range finding The space of interior occupancy is put, the width of range unit is reduced.Combination for generating device of laser 21 and photoelectric conversion device 22 comes Say, if determinand is more than 2 meters, its certainty of measurement can be of a relatively high, therefore the tape length of tape measure reaches 2 meters and may be such that this Embodiment is applied to various scenes.

In the present embodiment, circuit board 23 is located at the top of tape structure 3, near the top of housing 1, can prevent circuit board quilt Miscellaneous part compressing in tape structure 3, prevents all parts on circuit board 23 from causing damage because being oppressed.

As shown in fig. 6-7, in the present embodiment, generating device of laser 21, photoelectric conversion device 22 are all positioned at tape structure 3 Top；Generating device of laser 21 is arranged side by side with photoelectric conversion device 22, so as to suitably increase the overall height of range unit.Such as Fruit is setting up and down with photoelectric conversion device 22 by generating device of laser 21, may result in range unit height too greatly, inconvenient to carry. Generating device of laser 21, photoelectric conversion device 22 can also all positioned at the lower section of tape structure 3 will not be described here.

As Figure 7-8, preferably two cylindrical cells of power supply 26 or cuboid battery, its thickness are less than housing 1, uprightly Formula or inclined left side or right side located at tape structure 3, so as to suitably increase the overall width of range unit.If by cylinder Body battery all can further increase the overall height of range unit so that range unit above or below tape structure 3 Profile is uncoordinated, carries and using all inconvenient.

As shown in fig. 6, the leading flank 11 of housing 1 is additionally provided with a clip 7, user can be filled the range finding using clip 7 Put on the belt for being clipped in loins, be easy to carry.

Embodiment 2 is had technical effect that, there is provided a kind of range unit, and laser range finder and tape structure be arranged at together In one housing so that range unit is provided simultaneously with the function of range finding over long distances and short distance range finding；Effectively enhance simultaneously anti- Dirt waterproof effect.The thickness of range unit is approximate with ordinary tape measure described in embodiment 2, facilitates staff to grip, and is easy to user in work Operation in work and use.

Embodiment 3

Range unit described in embodiment 2, increased the height and width of range unit to a certain extent so that range finding Device area occupied is larger, and user is inconvenient to carry.

Therefore, embodiment 3 provides another technical scheme, embodiment 3 includes most of technical scheme of embodiment 3, its Distinguishing feature is that as shown in figs. 9-11, power supply 26 is located at volume simultaneously with generating device of laser 21, photoelectric conversion device 22 Before chi structure 3；The thickness of range unit is increased to a certain extent, effectively reduces the height and width of range unit.

Embodiment 3 is with another distinguishing feature of embodiment 2, as shown in figs. 10-11, generating device of laser 21 with Photoelectric conversion device 22 is located at the lower section of power supply 26, and power supply 26 is cylindrical cell or cuboid battery, and its thickness is smaller so that surveyed Thickness away from device is not too large.As a same reason, selectively, generating device of laser 21 can also position with photoelectric conversion device 22 In the top of power supply 26.

Embodiment 3 is with another distinguishing feature of embodiment 2, as shown in figs. 10-11, generating device of laser 21 with Photoelectric conversion device 22 is setting up and down, and generating device of laser 21 is located at immediately below photoelectric conversion device 22, so as to suitably increase survey Away from the thickness that device is overall so that the thickness of range unit is not too large.If generating device of laser 21 and photoelectric conversion device 22 are arranged side by side, and may result in that range unit thickness is too big, and staff is difficult to grip, operation inconvenience.

Similarly, power supply 26 is with generating device of laser 21, photoelectric conversion device 22 can also simultaneously positioned at tape structure 3 Below, its principle is close with situation above, will not be described here.

As shown in Figure 9, Figure 10, locking key 35 is a slide key located at the left surface 13 of housing 1 or right flank 14, front and rear Slide lock key 35 is capable of achieving to compress tape 32 or loosens tape 32.Locking key 35 can also be to be located at housing 1 in embodiment 2 One button of bottom surface 16.

Operate and use for the ease of user, the display device 24, operation device 25 in the present embodiment are preferably disposed to housing 1 The technical scheme of upper surface (outer surface of top surface 15), user can operate the range unit once bowing, and read measured From reading.Due to range unit described in embodiment 1 thickness than the thickness of range unit described in embodiment 2 become it is big some, Therefore, display device 24 can also be wider, some larger, and font shows and become apparent from more greatly, further improves the use of reading process Experience at family.

Embodiment 3 has technical effect that, there is provided a kind of range unit so that range unit is provided simultaneously with range finding over long distances The function of being found range with short distance；Laser range finder and tape structure are arranged in same housing, further reduce product Overall volume, height and width；The height and width of range unit described in embodiment 3 are approximate with ordinary tape measure so that user takes Band more facilitates, and is easy to user's operation at work and uses.

Embodiment 4

Range unit described in embodiment 2, increased the height and width of range unit to a certain extent so that range finding Device area occupied is larger, and user is inconvenient to carry.Range unit described in embodiment 3, increased range finding dress to a certain extent The thickness put, is held in hand when user uses, and operates with inconvenience.

Therefore, embodiment 4 provides another technical scheme, embodiment 4 includes most of technical scheme of embodiment 3, its Distinguishing feature is that as shown in figs. 12-14, power supply 26 is located at behind tape structure 3, to reduce the height of range unit Or width.

Embodiment 4 is with another distinguishing feature of embodiment 3, as illustrated in figs. 13-14, generating device of laser 21, Photoelectric conversion device 22 is located at the left side of tape structure 3；Power supply 26 be the less cylindrical cell of diameter or cuboid battery, its Thickness is smaller so that the thickness of range unit is not too large.

Embodiment 4 is that as illustrated in figs. 13-14, circuit board 23, display are filled with another distinguishing feature of embodiment 3 Put the left side that 24 verticals are arranged at tape structure 3；After generating device of laser 21, photoelectric conversion device 22 are located at circuit board 23 Face, display device 24 is located at before circuit board 23.

The guidance panel 251 of display screen, operation device 25 in display device 24 is arranged at the preceding surface (front side of housing 1 The outer surface in face 11).Because the area of the leading flank 11 of display device, trailing flank 12 is relatively large, the screen of display device 24, The button of operation device 25 can also set bigger so that more convenient operation, registration becomes apparent from.Circuit board 23, display device 24 are vertically arranged and can save more spaces, reduce the width of range unit.

Generating device of laser 21 is setting up and down with photoelectric conversion device 22, and generating device of laser 21 is located at photoelectric conversion device Immediately below 22, so as to limit the overall thickness of range unit.If generating device of laser 21 sets side by side with photoelectric conversion device 22 Put, may result in that range unit thickness is too big, staff is difficult to grip, operation inconvenience.

Similarly, selectively, power supply 26 can also be located at before tape structure 3, and generating device of laser 21 turns with photoelectricity Changing device 22 can also be located at the right side of power supply 26, circuit board 23, display device 24 can also vertical be arranged at tape structure 3 Right side.The guidance panel 215 of display screen, operation device 25 in display device 24 can also be arranged at the rear surface of housing 1 (after The outer surface of side 12).

Embodiment 4 has technical effect that, there is provided a kind of range unit, is provided simultaneously with range finding over long distances and short distance range finding Function；Laser range finder and tape structure are arranged in same housing, further reduce overall volume, the height of product And thickness；The height and thickness of range unit described in embodiment 4 can be smaller than ordinary tape measure so that user carries more square Just；The display device and operation device of range unit described in embodiment 4 are easy to that user operates on it and reading is shown than larger Number.

Embodiment 5

In embodiment 2-4, laser ranging system and tape structure are arranged in same housing, its volume substantially will It is more much larger than common tape measure, take up room larger, it is inconvenient to carry to a certain extent.For a user, it is special at some Occasion, it is only necessary to use tape measure function or laser ranging function, multi-functional laser ranging system need not be used.This Outward, in embodiment 2-4, parts are more in housing, and assembly production chain is long, and technology difficulty is big, and production efficiency is relatively low.

Therefore, embodiment 5 provides another technical scheme, embodiment 5 includes whole technical schemes of embodiment 1, its area It is not technically characterized in that, as shown in figures 15-16, the present embodiment can also include the second tape structure in the second housing 4 5, the detachable connection of the second housing 4 to housing 1.

Second housing 4 can be respectively provided with the attachment means for corresponding to each other with the junction of housing 1, for example, the one of housing 1 Multiple bayonet sockets are designed on individual side, the buckle of multiple correspondence bayonet sockets is designed on a side of the second housing 4；By the two mutually After engaging, you can be fixed as one, the function of short distance measurement and long range measurements can be provided simultaneously with.Second housing 4 and shell Can be between body 1 be vertically connected with, left and right connection or front and rear connection.

As shown in Figure 19-20, the second tape structure 5 include volume Two foot wheel 51, the second tape 52, the second band outlet 53, Second briquetting 54 and the second locking key 55.Volume Two foot wheel 51 is in the second housing 4；The all or part of volume of second tape 52 It is around in volume Two foot wheel 51；One end of second tape 52 is fixedly attached to volume Two gear 51, and its other end is provided with the second chi End 56.Located at the lower end of the lateral wall of the second housing 4, the second ruler end part 56 is stretched out second band outlet 53 by the second band outlet 53 Outside second housing 4；Second briquetting 54 in the second housing 4 and at the second band outlet 53, when the second tape 52 is by from the When two housings 4 are pulled out, the second briquetting 54 can be used to compress the second tape 52 so that the second tape 52 is outside the second housing 4 Length keep it is constant；Second locking key 55 is located at the outer surface of the second housing 4, for controlling the second briquetting 54 to compress or loosening the Two tape 53.

It can be any tape measure of the prior art inside second tape structure 5.Second tape structure 5 is in work In, second tape 52 is pulled out from the second housing 4 using the second ruler end part 56, it is used to complete measurement, it is necessary to press after measurement Or the second locking key 55 is stirred, the second briquetting 54 in it compresses the second tape 52 so that the second tape 52 is outside the second housing 4 The length in portion keeps constant, consequently facilitating reading the length registration in the second tape 52.

Second locking key 55 can be a slide key located at the left surface of the second housing 4 or right flank, and slide anteroposterior is It is capable of achieving to compress the second tape 52 or loosens the second tape 52.Second locking key 55 can also be located at the bottom surface of the second housing 4 One button (not shown), after pressing for the first time, the second briquetting 54 compresses the second tape 52；After reading length registration, press again After lower, the second briquetting 54 loosens the second tape 52.

As shown in figure 16, the leading flank of the second housing 4 is additionally provided with a clip 7, and user can utilize clip 7 by the range finding Device is clipped on the belt of loins, is easy to carry.

As shown in figs. 16-18, in the present embodiment, housing 1 is the L-shaped of approximate inverse, " ┑ " shape is similar to, before housing 1 Side 11, trailing flank 12 are approximately inverted L-shaped.Housing 1 includes horizontal part 101 and vertical portion 102, and the level of horizontal part 101 sets In the top of housing 1；Vertical portion 102 is located at the bottom of housing 1；The upper end of vertical portion 102 is the right-hand member of horizontal part 101；Housing 1 is There is certain space in inverted L-shaped, its lower left, can accommodate the second housing 4, the detachable connection of the second housing 4 to shell The lower left of body 1.

Housing 1 includes at least one first draw-in grooves 103, and the first draw-in groove 103 is recessed in the left side of the vertical portion 102 of housing 1 Face；Second housing 4 includes at least one first card articles 401, and the first card article 401 protrudes from the right flank of the second housing 4；When second When housing 4 is connected to housing 1, the first card article 401 snaps into the first draw-in groove 103.In the present embodiment, preferably two are vertically arranged The first card article 401 that first draw-in groove 103, two is vertically arranged.When second housing 4 is connected to the lower left of housing 1, the first card article 401 snap into the first draw-in groove 103, play position-limiting action so that the second housing 4 keeps being relatively fixed with housing 1.

Housing 1 includes at least one connector 104, and the horizontal part 101 of housing 1 is protruded downward from per a connection piece 104 Bottom surface；Left surface of the connector 104 near housing 1；The nut 105 of a horizontal direction, nut 105 are provided with per a connection piece 104 Towards the left side of housing 1.Second housing 4 includes at least one connection through hole 402, at least one screw 403 and at least one Screw 404, each connection through hole 402 is vertically through the top surface of the second housing 4；Its position is corresponding with the position of connector 104； The level of screw 403 is through the left surface of the second housing 4.When the second housing 4 is connected to housing 1, connector 104 is logical through connection Hole 402；Each nut 105 one screw 403 of correspondence, the nut 105 and screw 403 for corresponding to each other is located along the same line； Each screw 404 is fixed on to should be on the nut 105 of screw 403 through screw 403.In the present embodiment, preferably two Individual connector 104, two connection through holes 402.When second housing 4 is connected to the lower left of housing 1, two connectors 104 are inserted To two connection through holes 402, two nuts 105 are relative with two screws 403, left surface of two screws 404 from the second housing 4 Screw 403 be inserted into nut 105 so that the two is fixed to one another.

Second housing 4 includes rectangular through-hole 405, vertically through the top surface of the second housing 4, positioned at volume Two foot wheel top. Housing 1 includes bow-shaped recess 106, indent in the bottom surface of housing 1, positioned at the top of rectangular through-hole 405.When the second housing 4 is connected to shell During body 1, the top of the second tape 52 being wound in volume Two foot wheel 51 passes through rectangular through-hole 405 and is placed in bow-shaped recess 106 It is interior.Second tape 52 is all wound in when in volume Two foot wheel 51, forms a tape disk, and its volume is larger, is set rectangle and is led to Hole 405, bow-shaped recess 106, can as far as possible reduce range unit volume, it is carried and using more convenient.

In the present embodiment, housing 1 can only lean on two groups of screw and nuts as connector that the two is relative with the second housing 4 It is fixed, the advantage is that, dismantle and easy for installation, user as needed easily can dismantle the two, can only carry Or use the entirety after a part therein or assembling；It is disadvantageous in that the housing 4 of housing 1 and second only leans on two groups of screws Keep being relatively fixed with nut, simply and not firm enough the reliability of its attachment structure, once clashed into or beaten to cause The damage of attachment structure so that the two separates and can not be again coupled to.Therefore, the present embodiment also provides following technical scheme.

As shown in figure 15, the range unit described in the present embodiment can also include housing overcoat 6, and it is horizontal " recessed " Shape；When the second housing 4 is connected to housing 1, housing overcoat 6 is coated on the outer surface of the housing 4 of housing 1 and second.Housing overcoat 6 Hard material (such as rigid plastics, stainless steel) can be selected, it is also possible to from elastic material (such as rubber) so that second shell The combination of body 4 and housing 1 is more stablized so that the two is difficult to be disengaged from, while can also play a protective role.

As shown in figure 18, housing 1 includes at least one second draw-in grooves 107, is recessed in the front side of the vertical portion 102 of housing 1 Face and trailing flank.As shown in Figure 21, Figure 22, housing overcoat 6 includes at least one second card articles 601, protrudes from housing overcoat 1 Medial surface, and the second draw-in groove 107 of correspondence；When housing overcoat 6 is coated on 1 outer surface of housing, the second card article 601 snaps into second Draw-in groove 107 so that housing 1 is relatively fixed with housing overcoat 6.

Housing 1, housing overcoat 6 are respectively equipped with multiple screw (not shown) corresponding each other, and housing overcoat 6 is coated on housing 1 After outer surface, it is possible to use with housing 1 be fixed together housing overcoat 6 by multiple screws so that the second housing 4 and housing 1 It is difficult to be disengaged from so that the combination of the two is more stablized.This structure is more due to fastener, can preferably protective housing 1 and housing overcoat 6, but dismounting inconvenience, it is general it is not recommended that user separates 1 and second housing of housing 4 uses.

As shown in Figure 21, Figure 22, housing overcoat 6 includes the first overcoat through hole 602, the second overcoat through hole 603, the 3rd overcoat Through hole 604, the first overcoat breach 605 and the second overcoat breach 606.First overcoat through hole 602 runs through the top of housing overcoat 6 Thus face, correspondence display device 24 and operation device 25, user can be controlled operation and digital independent.Second overcoat through hole 603 right flanks for running through housing overcoat 6, corresponding power 26, power supply 26 be emerging at the outer wall of housing 1 be battery case lid, Thus user can carry out battery altering.3rd overcoat through hole 604 runs through bottom surface second locking key of correspondence of housing overcoat 6 55, thus user can carry out tape locking.First overcoat breach 605 is arranged at the left surface on the top of housing overcoat 6, to stress Light generating apparatus 21 and photoelectric conversion device 22；Second overcoat breach 606 is arranged at the left surface of the bottom of housing overcoat 6, right Answer the second band outlet 53；So that it is guaranteed that housing overcoat 6 does not interfere with the normal operating of laser ranging system and tape structure and makes With.

Embodiment 5 has technical effect that, there is provided a kind of range unit, including demountable laser ranging system and volume Chi structure two parts, this two parts can independently carry out operation, and user can be as needed by the two separately or in combination into one Body is carried or used.When the two is fixed to one another is integrated, range finding was over long distances both gone for, short distance had been gone for again From range finding.Range unit described in embodiment 5 is by product design into two modules of laser ranging system and tape structure, Ke Yifen Not Sheng Chan after be then assembled into an entirety, such modularized design can effectively improve the production efficiency of product.

The above is only preferred embodiment of the present utility model, on the premise of the utility model principle is not departed from, this The those of ordinary skill of technical field can also make some improvements and modifications, these improvements and modifications to above-mentioned technical proposal Should be regarded as protection domain of the present utility model.

Claims

1. a kind of range unit, it is characterised in that including

Housing；And

Laser ranging system, located at the enclosure interior and/or its outer surface；

Wherein, the laser ranging system includes

Generating device of laser, for emission measurement light beam to determinand；The determinand reflects the measuring beam, generation reflection Light；

Photoelectric conversion device, for capturing all or part of reflection light, the optical signal of the reflection light that will be captured turns It is changed at least one feedback electric signal；

Circuit board, the circuit board is provided with least one processor；And

Power supply, is connected to the generating device of laser, the photoelectric conversion device and the circuit board；

Wherein, the processor is connected to the generating device of laser, for controlling the generating device of laser；

The processor is connected to the photoelectric conversion device, for obtaining the feedback electric signal, and calculates the determinand With the distance of the range unit.

2. range unit as claimed in claim 1, it is characterised in that

The generating device of laser includes light-emitting area；

The photoelectric conversion device includes smooth surface, by the light-emitting area；

Wherein, the light-emitting area is arranged side by side or setting up and down in the housing outer surface with the smooth surface.

3. range unit as claimed in claim 1, it is characterised in that

The generating device of laser includes light-emitting area；

The housing outer surface is provided with

Radiating laser beams mouthful, just to the light-emitting area；And

Light receiver hole, it is just to the smooth surface and other located at the radiating laser beams mouthful；

Wherein, the radiating laser beams mouthful are arranged side by side or setting up and down with the light receiver hole；

The light-emitting area is by the radiating laser beams mouthful transmitting measuring beam；

The smooth surface captures the reflection light by the light receiver hole.

4. range unit as claimed in claim 2 or claim 3, it is characterised in that

The central point of the smooth surface is located along the same line with the central point of the light-emitting area；

The area of the smooth surface is 3~10 times of the area of the light-emitting area.

5. range unit as claimed in claim 1, it is characterised in that also include

Tape structure, in the housing.

6. range unit as claimed in claim 5, it is characterised in that

The generating device of laser, the photoelectric conversion device are all located above or below the tape structure；

The power supply is located at the left side or right side of the tape structure.

7. range unit as claimed in claim 5, it is characterised in that

The power supply and the generating device of laser, the photoelectric conversion device be all located at before the tape structure or after Face；

The generating device of laser, the photoelectric conversion device are all located above or below the power supply or left side or right side.

8. range unit as claimed in claim 5, it is characterised in that

The power supply is located at the above or below of the tape structure；

The generating device of laser, the photoelectric conversion device are located at the left side or right side of the tape structure.

9. range unit as claimed in claim 5, it is characterised in that

The circuit board level is arranged at the top of the tape structure；Or, it is vertically arranged at the left side of the tape structure Or right side.

10. the range unit as any one of claim 5-9, it is characterised in that the tape structure includes

Tape measure wheel, in the housing；

Tape, is completely or partially wound on the tape measure wheel；One end of the tape is fixedly attached to the tape measure wheel, and its is another One end is provided with ruler end part；And

Band outlet, located at the lower end of the hull outside wall, the ruler end part is stretched out outside the housing by the band outlet.

11. range units as claimed in claim 10, it is characterised in that the tape structure also includes

Briquetting, in the housing and at the band outlet；For compressing the tape so that the tape is described The length of hull outside keeps constant；And

Locking key, located at the housing outer surface, for controlling the briquetting to compress or loosen the tape.

12. range units as claimed in claim 1, it is characterised in that also include

Second tape structure, in second shell body；

The second housing detachable connection is to the housing.

13. range units as claimed in claim 12, it is characterised in that

The housing is L-shaped；The housing includes

Horizontal part, positioned at the housing upper；And

Vertical portion, positioned at the lower housing portion；

Wherein, the second housing detachable connection is to the lower left of the housing.

14. range units as claimed in claim 13, it is characterised in that

The housing includes

At least one first draw-in grooves, are recessed in the left surface of the housing vertical portion；

Second housing includes

At least one first card articles, protrude from the right flank of second housing；

When second housing is connected to the housing, first card article snaps into first draw-in groove.

15. range units as claimed in claim 13, it is characterised in that

The housing includes

At least one connector, protrudes downward from the bottom surface of the housing horizontal portion；The connector is near a left side for the housing Side；It is provided with the nut of a horizontal direction per a connection piece, the nut is towards the left side of the housing；

Second housing includes

At least one connection through hole, vertically through second housing top surface；Its position is relative with the position of the connector Should；

At least one screw, level is through the second housing left surface；And

At least one screw；

When second housing is connected to the housing, the connector passes through the connection through hole, each nut correspondence One screw, the nut and screw for corresponding to each other is located along the same line；Each screw is fixed on correspondence through a screw On the nut of the screw.

16. range unit as described in claim 12 or 13, it is characterised in that second tape structure includes

Volume Two foot wheel, in the second shell body；

Second tape, is completely or partially wound in the volume Two foot wheel；One end of second tape is fixedly attached to institute Volume Two gear is stated, its other end is provided with the second ruler end part；And

Second band outlet, located at the lower end of the second hull outside wall, second ruler end part passes through second band outlet Stretch out the second shell external.

17. range units as claimed in claim 16, it is characterised in that

Second housing includes

Rectangular through-hole, vertically through second housing top surface, positioned at volume Two foot wheel top；

The housing includes

Bow-shaped recess, indent in the housing bottom surface, positioned at rectangular through-hole top；

When second housing is connected to the housing, the top of the second tape being wound in the volume Two foot wheel passes through The rectangular through-hole and it is placed in the bow-shaped recess.

18. range units as claimed in claim 16, it is characterised in that second tape structure also includes the second briquetting, In the second shell body and at second band outlet；For compressing second tape so that second chi Band keeps constant in the length of second hull outside；And

Second locking key, located at second housing outer surface；For controlling second briquetting to compress or loosen described second Tape.

19. range units as claimed in claim 12, it is characterised in that also include

Housing overcoat, it is horizontal " recessed " shape；

When second housing is connected to the housing, the housing overcoat is coated on the housing and second housing Outer surface.

20. range units as claimed in claim 19, it is characterised in that

The housing includes

At least one second draw-in grooves, are recessed in the leading flank and/or trailing flank of the housing vertical portion；

The housing overcoat includes

At least one second card articles, protrude from the medial surface of the housing overcoat, and correspondence second draw-in groove；

When the housing overcoat is coated on the housing outer surface, second card article snaps into second draw-in groove.

21. range units as claimed in claim 20, it is characterised in that the housing overcoat includes

First overcoat through hole, runs through the top surface of the housing overcoat；

Second overcoat through hole, runs through the right flank of the housing overcoat；

3rd overcoat through hole, runs through the bottom surface of the housing overcoat；

First overcoat breach, located at the left surface on the housing overcoat top；And

Second overcoat breach, located at the left surface of the housing overcoat bottom.

22. range units as claimed in claim 1, it is characterised in that the housing outer surface also includes

Display device, is connected to the processor；Distance for showing the determinand and the range unit.

23. range units as claimed in claim 22, it is characterised in that

The display device is located at the upper surface of the housing, preceding surface or rear surface.

24. range units as claimed in claim 1, it is characterised in that the housing outer surface also includes

Operation device, is connected to the processor；For sending at least one control instruction to the laser ranging system.

25. range units as claimed in claim 24, it is characterised in that

The operation device includes

Guidance panel, located at the upper surface of the housing, preceding surface or rear surface；For the control action of typing at least one, often One control action one control instruction of correspondence；And

Operation circuit plate, located at guidance panel lower section, is connected to the processor；For described at least one control is dynamic At least one electric signal is converted to, and sends the electric signal to the processor；One control of each electric signal correspondence Instruction；

Wherein, the control instruction includes but is not limited to enabled instruction, out code, store instruction.

26. range units as claimed in claim 1, it is characterised in that the circuit board is provided with

Memory, is connected to the processor；Distance for storing the determinand and the range unit.

27. range units as claimed in claim 1, it is characterised in that the generating device of laser includes but is not limited to laser Pipe；The photoelectric conversion device includes but is not limited to photoelectric sensor；The power supply includes but is not limited to button battery, rectangular Body battery or cylindrical cell.