CN105987686A - Laser ranging apparatus and wireless communication method and device - Google Patents

Laser ranging apparatus and wireless communication method and device Download PDF

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Publication number
CN105987686A
CN105987686A CN201510497286.3A CN201510497286A CN105987686A CN 105987686 A CN105987686 A CN 105987686A CN 201510497286 A CN201510497286 A CN 201510497286A CN 105987686 A CN105987686 A CN 105987686A
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CN
China
Prior art keywords
signal
distance measuring
electrical connection
measuring equipment
laser distance
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510497286.3A
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Chinese (zh)
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CN105987686B (en
Inventor
万云鹏
夏勇峰
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Beijing Xiaomi Technology Co Ltd
Xiaomi Inc
Beijing Rockrobo Technology Co Ltd
Original Assignee
Xiaomi Inc
Beijing Rockrobo Technology Co Ltd
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Application filed by Xiaomi Inc, Beijing Rockrobo Technology Co Ltd filed Critical Xiaomi Inc
Priority to CN201510497286.3A priority Critical patent/CN105987686B/en
Publication of CN105987686A publication Critical patent/CN105987686A/en
Application granted granted Critical
Publication of CN105987686B publication Critical patent/CN105987686B/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02Magnetic compasses
    • G01C17/04Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/06Suspending magnetic elements
    • G01C17/08Suspending magnetic elements by flotation

Abstract

The invention discloses a laser ranging apparatus and wireless communication method and device. The laser ranging apparatus comprises: a base; a rotary disc arranged on the base and drivable to rotate; a first circuit board, a second circuit board and a third circuit board disposed on the rotary disc; a signal processing module comprising a signal transmitter disposed at the bottom of the first circuit board and a signal receiver disposed on the third circuit board and used for transmitting a signal sent by a DSP (digital signal processor), wherein the circuit board is also provided with a ranging calibration circuit communicated with the DSP, the ranging calibration circuit is provided with a first electric connection portion, and the first electric connection portion is used for receiving the signal from the DSP or also transmitting a signal to the DSP. A simple communication scheme is designed for the laser ranging apparatus, circuits for waveform transformation on the circuit boards are omitted, the communication needs are met, and low production cost is also maintained.

Description

Laser Distance Measuring Equipment, wireless communications method and device
Technical field
It relates to laser ranging technique field, particularly relate to a kind of Laser Distance Measuring Equipment, radio communication Method and device.
Background technology
The measurement of weights and measures and unit constantly change evolution for alternating with the dynasty since ancient times, last and generation The worked-out metric unit of various countries of boundary unified standard.In the past measurement distance was with chi as instrument, but for long away from From the difficulty just having in measurement, develop with development in science and technology and carry out the device of range measurement with laser.
At present, in laser ranging system, the interstructural powered communication mode of relative motion is used mostly slip ring, But there is serious life problems short slab in slip ring.Specifically, there is contact in slip ring, and long-term rotation can cause There is Fast Wearing in slip ring, and owing to being contact point signal, the impedance of signal transmission exists the situation being continually changing, This will cause noise be difficult to eliminate or suppress.
Content of the invention
In view of this, the disclosure proposes the Laser Distance Measuring Equipment of a kind of new structure, wireless communications method and dress Put to solve above-mentioned technical problem.
In order to reach above-mentioned purpose, the technical scheme that the disclosure is used is:
According to the first aspect of disclosure embodiment, a kind of Laser Distance Measuring Equipment is proposed, comprising:
Base;
Rotating disk, is arranged on described base and can drivingly be rotated;
First circuit board, is arranged in described rotating disk;
Second circuit board, is erected on described first circuit board and electrically connects with described first circuit board, described Carry laser light pipe, camera lens on second circuit board and communicate with described laser light pipe and described camera lens Digital signal processor DSP;
Tertiary circuit plate, is arranged at the bottom surface of described base;
Signal processing component, including be arranged at the signal projector bottom described first circuit board and be arranged at institute State the signal receiver on tertiary circuit plate, in order to transmit the signal that described DSP sends;
Wherein, described first circuit board is additionally provided with the range finding calibration circuit communicating with described DSP, described Being provided with the first electrical connection section on range finding calibration circuit, described first electrical connection section includes in order to receipt signal Signal receives contact.
Optionally, described first electrical connection section also includes the earthing contact for ground connection, or the confession for power supply Electric contact, or the signal output contact for signal output;Wherein, described signal output contact will be from described The signal that DSP transmits is sent to outside.
Optionally, described first electrical connection section also includes the earthing contact for ground connection, and for power supply Power supply contact.
Optionally, described first electrical connection section also includes the earthing contact for ground connection, and defeated for signal The signal output contact going out;Wherein, the signal transmitting from described DSP is sent out by described signal output contact Deliver to outside.
Optionally, described first electrical connection section also includes the power supply contact for power supply, and defeated for signal The signal output contact going out;Wherein, the signal transmitting from described DSP is sent out by described signal output contact Deliver to outside.
Optionally, described first electrical connection section also includes the earthing contact for ground connection, for the power supply of power supply Contact, and the signal output contact for signal output;Wherein, described signal output contact will be from described The signal that DSP transmits is sent to outside.
Optionally, described first electrical connection section is hard contact.
Optionally, it in described rotating disk, is provided with corresponding to institute between described laser light pipe and described camera lens State the pilot hole of the first electrical connection section;Described Laser Distance Measuring Equipment also includes being assemblied in above described rotating disk Upper cover, described on cover and be provided with the corresponding through hole with described pilot hole.
Optionally, described Laser Distance Measuring Equipment also includes being arranged at described rotating disk side motor and set around The first driving belt in described rotating disk with described motor, described motor passes through described first driving belt Described rotating disk is driven to rotate.
Optionally, described Laser Distance Measuring Equipment also include respectively with described first circuit board and described tertiary circuit The wireless power mechanism of plate electrical connection.
Optionally, described wireless power mechanism includes the secondary coil being arranged at described first circuit board bottom surface, And it is arranged at primary coil relative with described secondary coil on described tertiary circuit plate;Wherein, in institute Stating primary coil when passing to voltage, the sensing of described secondary coil produces electric energy.
Optionally, described wireless power mechanism is to be arranged at the magnet of described rotating disk bottom surface and enclose in described The coil of magnet, described coil is at least connected with described first circuit board by wire, described motor also sets Having second driving belt coaxial with described first driving belt, described second driving belt is around described electricity Between the rotating shaft of machine and described coil;Wherein, described coil is arranged to: be rotated by described motor Produce electric energy with the magnetic field of septum magnet.
Optionally, described wireless power mechanism is the optical-electrical converter being arranged in described rotating disk, utilizes solid Determine light source and irradiate described optical-electrical converter to produce electric energy.
According to the second aspect of disclosure embodiment, propose a kind of conducting slip ring, be assemblied in as arbitrary in above-mentioned It in the pilot hole of the Laser Distance Measuring Equipment described in Xiang, is connected for described Laser Distance Measuring Equipment, described conduction Slip ring includes being adapted to, with the first electrical connection section, the second electrical connection section of being connected, described second electrical connection section include and On described Laser Distance Measuring Equipment, the signal for receipt signal receives the signal output probe of contact electrical connection.
Optionally, described second electrical connection section also includes tactile for the ground connection of ground connection with on described Laser Distance Measuring Equipment The grounded probe of some electrical connection, or electrically connect with the power supply contact for power supply on described Laser Distance Measuring Equipment For electric probe, or the letter electrically connecting with the signal output contact exporting for signal on described Laser Distance Measuring Equipment Number reception probe.
Optionally, described second electrical connection section also includes tactile for the ground connection of ground connection with on described Laser Distance Measuring Equipment The grounded probe of some electrical connection, and electrically connect with the power supply contact for power supply on described Laser Distance Measuring Equipment For electric probe.
Optionally, described second electrical connection section also includes tactile for the ground connection of ground connection with on described Laser Distance Measuring Equipment Put the grounded probe of electrical connection, and the signal output contact with confession signal output on described Laser Distance Measuring Equipment The signal of electrical connection receives probe.
Optionally, described second electrical connection section also include with described Laser Distance Measuring Equipment on for power supply power supply It is for electric probe and tactile for the signal output of signal output with on described Laser Distance Measuring Equipment that contact electrically connects The signal of some electrical connection receives probe.
Optionally, described second electrical connection section also includes tactile for the ground connection of ground connection with on described Laser Distance Measuring Equipment The grounded probe of some electrical connection, with the confession electrically connecting for the power supply contact of power supply on described Laser Distance Measuring Equipment Electric probe, and the signal electrically connecting with the signal output contact exporting for signal on described Laser Distance Measuring Equipment Receive probe.
According to the third aspect of disclosure embodiment, propose a kind of wireless communications method, be applied to as in above-mentioned On Laser Distance Measuring Equipment described in any one, described method includes:
First signal of telecommunication of DSP output is sent to signal projector;
Described signal projector is utilized to be converted to optical signal and be transferred to signal receiver described first signal of telecommunication;
Described signal receiver is utilized to receive described optical signal and described optical signal is converted to second signal of telecommunication;
Send second signal of telecommunication to machine main circuit board.
Optionally, described signal projector is luminous tube and is positioned at first circuit board bottom surface, and described signal receives Device is photoelectric sensor and is positioned on tertiary circuit plate;Wherein, described signal projector and described signal receive Device cooperation carries out one-way data transfer.
Optionally, when conducting slip ring communicates to connect with described Laser Distance Measuring Equipment, also include:
Obtain accurate distance point;
According to described accurate distance point, it is thus achieved that the measured distance of each described accurate distance point corresponding respectively;
Generate the mapping table between described accurate distance point and described measured distance.
According to the fourth aspect of disclosure embodiment, propose a kind of radio communication device, be applied to as in above-mentioned On Laser Distance Measuring Equipment described in any one, described device includes:
First delivery unit, for being sent to signal projector by first signal of telecommunication of DSP output;
First processing unit, is used for utilizing described signal projector that described first signal of telecommunication is converted to optical signal And it is transferred to signal receiver;
Second processing unit, is used for utilizing described signal receiver to receive described optical signal and by described optical signal Be converted to second signal of telecommunication;
Second delivery unit, for sending second signal of telecommunication to machine main circuit board.
Optionally, described signal projector is luminous tube and is positioned at first circuit board bottom surface, and described signal receives Device is photoelectric sensor and is positioned on tertiary circuit plate;Wherein, described signal projector and described signal receive Device cooperation carries out one-way data transfer.
Optionally, when conducting slip ring communicates to connect with described Laser Distance Measuring Equipment, also include:
Acquiring unit, is used for obtaining accurate distance point;
Obtain unit, for according to described accurate distance point, it is thus achieved that each described accurate distance point corresponding respectively Measured distance;
Signal generating unit, for generating the mapping table between described accurate distance point and described measured distance.
The 5th aspect according to disclosure embodiment, proposes the cleaning machine of a kind of autonomous covering, comprising: machine Device main body, is arranged at the Laser Distance Measuring Equipment on described machine body, as according to any one of above-mentioned.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect: devise a kind of brand-new Laser Distance Measuring Equipment, and be applied to wireless communications method and the device of this Laser Distance Measuring Equipment, by One group of sender unit and receipt signal device is only used to carry out one-way data transfer on Laser Distance Measuring Equipment, and will On circuit board, the circuit for waveform conversion removes, the calibration of non-product state signal transmitter-receiver and waveform Change-over circuit does not bring user, is that the measurement range calibration of this Laser Distance Measuring Equipment devises a kind of simple logical Letter scheme, had both met communication requirement, and had maintained again relatively low production cost.
It should be appreciated that it is only exemplary and explanatory that above general description and details hereinafter describe, The disclosure can not be limited.
Brief description
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets these public affairs The embodiment opened, and for explaining the principle of the disclosure together with specification.
Fig. 1 is the top view of Laser Distance Measuring Equipment in the disclosure one embodiment;
Fig. 2 is the sectional view of Laser Distance Measuring Equipment in the disclosure one embodiment;
Fig. 3 is the top view of Laser Distance Measuring Equipment in the another embodiment of the disclosure;
Fig. 4 is the top view of Laser Distance Measuring Equipment in the another embodiment of the disclosure;
Fig. 5 is an embodiment flow chart of disclosure wireless communications method;
Fig. 6 is the another embodiment flow chart of disclosure wireless communications method;
Fig. 7 is an embodiment block diagram of disclosure radio communication device;
Fig. 8 is the another embodiment block diagram of disclosure radio communication device.
Detailed description of the invention
Below with reference to detailed description of the invention shown in the drawings, the disclosure is described in detail.But these are implemented Mode is not limiting as the disclosure, structure that those of ordinary skill in the art is made according to these embodiments, Method or conversion functionally are all contained in the protection domain of the disclosure.
The term using in the disclosure is only merely for the purpose describing specific embodiment, and is not intended to be limiting this Open." a kind of ", " described " of singulative used in disclosure and the accompanying claims book and " being somebody's turn to do " is also intended to include most form, unless context clearly shows that other implications.It is also understood that Term "and/or" used herein refer to and comprise one or more be associated list any of project or It is possible to combination.
Although it should be appreciated that and term first, second etc. may being used to describe various information in the disclosure, but These information should not necessarily be limited by these terms.These terms are only used for same type of information is distinguished from each other out. For example, without departing from the scope of this disclosure, the first information also can be referred to as the second information, similar Ground, the second information also can be referred to as the first information.Depend on linguistic context, word as used in this " as Really " can be construed to " ... when " or " when ... " or " in response to determining ".
As depicted in figs. 1 and 2, Fig. 1 is the top view of Laser Distance Measuring Equipment in the disclosure one embodiment; Fig. 2 is the sectional view of Laser Distance Measuring Equipment in the disclosure one embodiment.Wherein, the laser ranging of the disclosure Equipment 10 includes that the 11st, base arranges rotating disk the 12nd, first circuit board on the pedestal 11 the 14th, second Circuit board the 15th, tertiary circuit plate 16 and signal processing component.First is carried in this rotating disk 12 Circuit board the 14th, second circuit board the 15th, laser light pipe the 21st, camera lens 22 etc., wherein, this first circuit board 14 are laid in rotating disk 12, second circuit board 15 be erected on first circuit board 14 and with this first Circuit board 14 electrically connects, and laser light pipe the 21st, camera lens 22 is arranged on second circuit board 15, and this is years old It is additionally provided with DSP (the digital signal communicating with laser light pipe 21 and camera lens 22 on two circuit boards 15 Processing, digital signal processor) (not shown), this DSP and laser light pipe 21 and camera lens 22 Electrical connection, to process the photosignal of laser light pipe 21 and camera lens 22.
In the disclosure, this rotating disk 12 can powered rotate, specifically, and this Laser Distance Measuring Equipment 10 also include the motor 31 being arranged at rotating disk 12 side and around on rotating disk 12 and motor 31 The first driving belt 32.Optionally, this motor 31 is connected with and motor 31 rotating shaft synchronous rotary First driving pulley 33, to strengthen the reliability of the first driving belt 32 transmission.Wherein, this motor 31 drive this rotating disk 12 to rotate by the first driving belt 32, so that laser light pipe 21 can be on a large scale Scanning, camera lens 22 then can capture on a large scale arround image, thus realize 360 degree of laser rangings.
Tertiary circuit plate 16 is arranged at the bottom surface of base 11, is oppositely arranged with first circuit board 14 and exists Certain gap.Signal processing component includes being arranged at the signal projector 17 bottom first circuit board 14 And the signal receiver 18 being arranged on tertiary circuit plate 16, this signal processing component is sent out by signal Emitter 17 and signal receiver 18 coordinate to transmit the signal that DSP sends, and this signal at least includes obtaining Take the actual measurement data of this Laser Distance Measuring Equipment 10.
Further, the disclosure have also been devised the mode of a kind of provisional communication with calibration in advance Laser Distance Measuring Equipment Measurement distance value measured by 10, and then make this distance value measured by Laser Distance Measuring Equipment 10 and actual range Value is consistent.But the mode of this provisional communication is generally debugged before product export, therefore at first circuit board 14 On be additionally provided with communicate with DSP range finding calibration circuit, this range finding calibration circuit on be provided with the first electrical connection Portion 141, to be at least used for receipt signal, wherein, the first electrical connection section includes connecing in order to the signal of receipt signal Receive contact.Preferably, this first connecting portion 141 is hard contact, i.e. this first connecting portion 141 has During multiple tie point, corresponding tie point is hard contact.In embodiment of the disclosure, pass through conducting slip ring It is electrically connected to the first electrical connection section 141, to transmit a signal to the first electrical connection section 141, wherein, this conduction Slip ring is as communication media.Preferably, the disclosure is removably attached to range finding calibration by this conducting slip ring To realize and Laser Distance Measuring Equipment 10 provisional communication on equipment 10, the electricity of waveform conversion will be used on circuit board Road is removed, and the calibration signal transmitter-receiver of non-product state and waveform changing circuit do not bring user, are The measurement range calibration of this Laser Distance Measuring Equipment devises a kind of communication by simple means scheme, has both met communication requirement, And maintain again relatively low production cost.
Specifically, in an embodiment of the disclosure, the first electrical connection section 141 also includes connecing for ground connection Contact, ground, or the power supply contact for power supply, or the signal output contact for signal output;Wherein, believe The signal transmitting from DSP is sent to outside by number output contact.Specifically, in this embodiment, first Electrical connection section 141 includes the scheme with two communication contacts.In the scheme with two communication contacts, This first electrical connection section 141 can include that signal receives contact and earthing contact, or includes signal reception Contact and power supply contact, or include that signal receives contact and signal output contact.Wherein, power supply contact can To select 5V feeder ear, to meet the voltage that in circuit, signal is required when transmitting.
In the another embodiment of the disclosure, the first electrical connection section 141 has the scheme of three communication contacts, This first electrical connection section 141 also includes the earthing contact for ground connection, and the power supply contact for power supply; Or the first electrical connection section 141 also includes the earthing contact for ground connection, and the signal for signal output Output contact;Or, the first electrical connection section 141 also includes the power supply contact for power supply, and is used for believing Number output signal output contact;Wherein, the signal transmitting from DSP is sent to by signal output contact Outside.Optionally, power supply contact can select 5V feeder ear, required during to meet in circuit signal transmission Voltage.
Preferably, the first electrical connection section 141 of the disclosure can also have the scheme of four communication contacts.The One electrical connection section 141 includes receiving contact for the signal of receipt signal, for the earthing contact of ground connection, uses In the power supply contact of power supply, and the signal output contact for signal output;Wherein, signal output contact The signal transmitting from DSP is sent to outside.Optionally, power supply contact can select 5V feeder ear, To meet the voltage that in circuit, signal is required when transmitting.By arranging the first electrical connection section in disclosure embodiment The scheme of 141 carries out provisional communication so that carry out range finding calibration realization on line simply producing, hinge structure It is possible not only to realize optimizing circuit board line, and the purpose saving manufacturing cost can be reached.
Further, it in rotating disk 12, is provided with corresponding to first between laser light pipe 21 and camera lens 22 The pilot hole 121 of electrical connection section 141, i.e. this pilot hole 121 may extend into the first electrical connection section 141, so that Conducting slip ring is rear in being inserted in this pilot hole to be electrically connected with the first electrical connection section 141.
In addition, this Laser Distance Measuring Equipment 10 also includes being assemblied in the upper cover 13 above rotating disk 12, this upper cover It is provided with corresponding through hole (not shown) with pilot hole 121 on 13.Further, this upper cover 13 also wraps Include the detachable block (not shown) for closing through hole.Specifically, when needs calibration measurement distance, remove Block is fitted in rotating disk 12 from pilot hole 121 for this conducting slip ring, in order to the first electrical connection section 141 Communication connection;When not needing calibration measurement distance, cover block to avoid dust to drop into pilot hole 121 In.
Especially, on upper cover 13, the through hole for assembling block includes corresponding groove stupefied with conducting slip ring epirelief, Be possible not only to auxiliary positioning conducting slip ring by the groove fit on the convex stupefied and upper cover 13 on conducting slip ring and The second electrical connection section of conducting slip ring corresponding each of the first electrical connection section 141 of being connected to exactly can be made to touch Point, it is to avoid cause connection error under connection because can't see in pilot hole 121 inside, and then impact communication.
In the disclosure one preferred embodiment, the first electrical connection section the 141st, pilot hole the 121st, through hole is positioned at same On axis line and be positioned at the spindle central position of rotating disk 12.In addition, be assemblied in rotating disk 12 at conducting slip ring After, this conducting slip ring is also at the spindle central position of rotating disk 12, and when rotating disk 12 rotates, this is led Electric slip ring is equivalent to rotation, it is to avoid conducting slip ring takies more space when rotating.
Owing to Laser Distance Measuring Equipment 10 can realize that 360 degree rotate range finding, therefore existing with electric wire as contact Mode provides and easily makes because rotating disk rotates contact be wound around in the mode of electric power to come off, it is impossible to regard to power pack Keep in repair, bring very big inconvenience and later period maintenance relatively costly in rotating ranging process.Therefore, originally In Gong Kai Laser Distance Measuring Equipment 10 also include electrically connecting with first circuit board 14 and tertiary circuit plate 16 respectively, The wireless power mechanism powered at least first circuit board 14 and tertiary circuit plate 16 is to solve above-mentioned asking Topic.
Optionally, referring again to Fig. 1 and Fig. 2, in first embodiment of the present disclosure, transformer principle is utilized to enter Row power supply, this wireless power mechanism includes the secondary coil 42, Yi Jishe being arranged at first circuit board 14 bottom surface Being placed in primary coil 41 relative with secondary coil 42 on tertiary circuit plate 16, this primary coil 41 is solid Fixed motionless, and secondary coil 42 can rotate with rotating disk 12.Wherein, primary coil 41 and secondary wire Circle 42 is radio-frequency induction coil.When primary coil 41 passes to voltage, utilize primary coil 41 across Gap sensing opposite another with the secondary coil 42 of area, thus AC energy sensing is transferred to secondary coil 42, And then electric energy needed for the electronic component being at least supplied on first circuit board 14.
Optionally, as shown in Figure 3 and Figure 4, in second embodiment of the present disclosure, wireless power mechanism is also Can be powered in the way of generator.This wireless power mechanism is the magnet being arranged at rotating disk 12 bottom surface 43 and enclose coil 44 in magnet 43, this magnet 43 is permanent magnet, and this coil 44 is by wire extremely It is connected with first circuit board 14 less.In this example, motor 31 is additionally provided with the first driving belt 32 together First driving belt 32 can be connected to the top of motor 31, by second by the second driving belt 35 of axle Driving belt 35 is connected to the lower section of motor 31.This second driving belt 35 is around motor 31 and coil Between the rotating shaft of 44, wherein, this coil 44 is arranged to: be rotated by motor 31 with septum magnet The magnetic field of 43 produces electric energy.Specifically, second driving belt 35 is separately connected in the lower section of motor 31, In order to increase the reliability of the second driving belt 35 transmission, the second transmission can also be provided with on motor 31 Belt pulley 36, simultaneously drives rotating disk by same motor 31 and 12 coils 44 rotates, be possible not only to make to swash Ligh-ranging equipment 10 realizes 360 degree of laser rangings, and can realize at least being supplied to first circuit board 14 On electronic component needed for electric energy.Certainly, it is not limited to use same motor in embodiment of the disclosure Simultaneously drive rotating disk 12 and coil 44 rotates, it is possible to use two motors are to drive rotating disk 12 respectively Rotate with coil 44.
In third embodiment of the present disclosure, wireless power mechanism is the optical-electrical converter being arranged in rotating disk, This optical-electrical converter electrically connects with first circuit board, utilizes fixed light source to irradiate this optical-electrical converter to produce electricity Can, thus supply electric energy needed for the electronic component on first circuit board.Certainly, other enforcements in the disclosure In example, wireless power mechanism can also use electromagnetic contactor, electrically connects with the battery with storage function, This electromagnetic contactor is accessed by external power source and charges for battery, is provided Laser Distance Measuring Equipment entirety by battery Electric power.
Second aspect according to disclosure embodiment, it is also proposed that a kind of conducting slip ring, this conducting slip ring is used for filling It is assigned in the pilot hole of Laser Distance Measuring Equipment, communicate to connect for Laser Distance Measuring Equipment.Specifically, can make For the subsidiary communications plug-in unit of calibration range, for transmission or receipt signal.In the present embodiment, this conduction Slip ring includes being adapted to, with the first electrical connection section, the second electrical connection section being connected, and this second electrical connection section includes and swashs On ligh-ranging equipment, the signal for receipt signal receives the signal output probe of contact electrical connection.
In an embodiment of the disclosure, this second electrical connection section also includes supplying ground connection on Laser Distance Measuring Equipment Earthing contact electrical connection grounded probe, or with Laser Distance Measuring Equipment on for power supply power supply contact be electrically connected Connect supplies electric probe, or the letter electrically connecting with the signal output contact exporting on Laser Distance Measuring Equipment for signal Number reception probe.In this embodiment, the second electrical connection section includes the scheme of two probes, has two In the scheme of probe, this second electrical connection section can include signal output probe and grounded probe, or includes There is signal output probe and for electric probe, or include signal output probe and signal reception probe.Wherein, This signal receives probe and the signal transmitting from signal output contact is sent to outside.
In the another embodiment of the disclosure, the second electrical connection section has in the scheme of three probes, and this is second years old Electrical connection section also includes and the grounded probe electrically connecting for the earthing contact of ground connection on Laser Distance Measuring Equipment, and Electrically connect with the power supply contact for power supply on Laser Distance Measuring Equipment supplies electric probe, or the second electrical connection section Also with the grounded probe electrically connecting for the earthing contact of ground connection on Laser Distance Measuring Equipment, and set with laser ranging The standby upper signal for the signal output contact electrical connection of signal output receives probe;Or the second electrical connection section is also Including electrically connect with the power supply contact for power supply on Laser Distance Measuring Equipment supplies electric probe, and and Laser Measuring On equipment, the signal of the signal output contact electrical connection for signal output receives probe.Wherein, this signal connects Receive probe and the signal transmitting from signal output contact is sent to outside.In this embodiment, second is electrically connected The portion of connecing can include signal output probe, grounded probe and for electric probe, or include signal output probe, Grounded probe and signal receive probe, or include signal output probe, receive for electric probe and signal Probe.
Preferably, the second electrical connection section of the disclosure can also have the scheme of four probes.Specifically, Two electrical connection sections also include and the grounded probe electrically connecting for the earthing contact of ground connection on Laser Distance Measuring Equipment, with What on Laser Distance Measuring Equipment, the power supply contact for power supply electrically connected supplies electric probe, and and Laser Distance Measuring Equipment The upper signal for the signal output contact electrical connection of signal output receives probe.Wherein, this signal receives probe The signal transmitting from signal output contact is sent to outside.
In addition, be not limited to probe in embodiment of the disclosure, metal wire body, shell fragment etc. can also be used Deng.Certainly, in embodiment of the disclosure and not only existing above-mentioned conducting slip ring is used, it is also possible to directly use First electrical connection section of calibration metal needle contact first circuit board, it is only necessary to ensure first circuit board at rotary course Alignment metal needle is without departing from the first electrical connection section.
As it is shown in figure 5, according to the third aspect of disclosure embodiment, it is also proposed that a kind of wireless communications method, Being applied on above-mentioned Laser Distance Measuring Equipment, the method includes:
Step S501, first signal of telecommunication by DSP output are sent to signal projector.
Specifically, in the disclosure, laser light pipe is used for launching laser beam, and camera lens receives as receiver Reflecting light, DSP communicates to connect with laser light pipe and camera lens to obtain communication data, and this communication data includes Measured measurement distance value.Disclosure embodiment is by arranging DSP on the second circuit board by the number that communicates According to being encoded to first signal of telecommunication, then the first circuit signal of output is sent to signal projector.
Step S502, utilize signal projector first signal of telecommunication is converted to optical signal and be transferred to signal receive Device.
Step S503, signal receiver is utilized to receive optical signal convert optical signals to second signal of telecommunication.
Wherein, signal projector is luminous tube and is positioned at first circuit board bottom surface, and signal receiver is photoelectric transfer Sensor and being positioned on tertiary circuit plate;Wherein, signal projector and signal reception cooperation carries out one-way data biography Defeated.Specifically, after receiving first signal of telecommunication that DSP transmits, signal projector is by this first electricity Signal is converted to optical signal, is then passed to signal receiver.This signal receiver after receiving optical signal, Convert optical signals to second signal of telecommunication again.In this embodiment, signal projector is relative with signal receiver Arrange, coordinate from there through signal projector and signal receiver and achieve first circuit board and tertiary circuit plate Between carry out one-way data transfer.
Step S504, send second signal of telecommunication to machine main circuit board.
On tertiary circuit plate, by communication line, signal receiver is changed the second signal of telecommunication transmission coming To machine main circuit board, then by the communications processor element on machine main circuit board, second signal of telecommunication is carried out Resolve, thus obtain wireless communication data, mainly obtain measured distance measured in wireless communication data.
Further, as shown in Figure 6, in embodiment of the disclosure, set with laser ranging at conducting slip ring During standby communication connection, also include:
Step S601, acquisition accurate distance point;
Step S602, according to accurate distance point, it is thus achieved that the respectively measured distance of each accurate distance point corresponding;
Step S603, the corresponding table of relation generating between accurate distance point and measured distance.
In the present embodiment, by verifying by the measurement distance value to Laser Distance Measuring Equipment for the conducting slip ring, So that manufacturer can make at this Laser Distance Measuring Equipment before dispatching from the factory or after Laser Distance Measuring Equipment breaks down Accurate distance point measured by this Laser Distance Measuring Equipment is consistent with measured distance.Specifically, conductive slider Top is wired to calibrate control equipment, the second electrical connection section below conductive slider and the first circuit The first electrical connection section electrical connection on plate.In checking procedure, the DSP of this Laser Distance Measuring Equipment is by conduction Slip ring obtains the accurate distance point that calibration control equipment issues, according to different accurate distance points, this laser light Pipe and camera lens coordinate the measured distance obtaining each accurate distance point corresponding, and generate accurate distance point and actual measurement This mapping table is burnt to DSP by the mapping table between Ju Li.So at this Laser Distance Measuring Equipment When range finding uses afterwards, according to mapping table, corresponding measured distance can be obtained.
It in disclosure embodiment, is mainly electrically connected by with the calibration circuit on first circuit board when checking procedure The conducting slip ring connecing is to realize communication calibration, thus, eliminates one on first circuit board and tertiary circuit plate Group signal emitting/receiving, not only meets demand but also reduce cost.
As it is shown in fig. 7, according to the fourth aspect of disclosure embodiment, it is also proposed that a kind of radio communication device, Being applied on above-mentioned Laser Distance Measuring Equipment, this device includes:
First delivery unit 701, for being sent to signal projector by first signal of telecommunication of DSP output;
First processing unit 702, is used for utilizing signal projector first signal of telecommunication is converted to optical signal and transmits To signal receiver;
Second processing unit 703, is used for utilizing signal receiver receive optical signal and convert optical signals to second The signal of telecommunication;
Second delivery unit 704, for sending second signal of telecommunication to machine main circuit board.
Further, in the device of the disclosure, signal projector is luminous tube and is positioned at the bottom of first circuit board Face, signal receiver is photoelectric sensor and is positioned on tertiary circuit plate;Wherein, signal projector and signal Receiver cooperation carries out one-way data transfer.
Especially, as shown in Figure 8, when conducting slip ring communicates to connect with Laser Distance Measuring Equipment, the disclosure fills Put and also include:
Acquiring unit 801, is used for obtaining accurate distance point;
Obtain unit 802, for according to accurate distance point, it is thus achieved that the actual measurement of each accurate distance point corresponding respectively Distance;
Signal generating unit 803, for generating the mapping table between accurate distance point and measured distance.
In said apparatus, the function of unit and effect realizes that process specifically refers to corresponding step in said method Rapid realizes process, does not repeats them here.
The 5th aspect according to disclosure embodiment, it is also proposed that the cleaning machine of a kind of autonomous covering, this is autonomous The cleaning machine covering includes: machine body, the Laser Distance Measuring Equipment being arranged on machine body, this laser Distance-measuring equipment measures distance for assisting between the cleaning machine of autonomous covering and barrier.In addition, should The autonomous cleaning machine covering also includes wireless communications method and the dress being applied to this cleaning machine independently covering Put, so that this cleaning machine independently covering can obtain the accurate distance between barrier.
The disclosure devises a kind of brand-new Laser Distance Measuring Equipment, and is applied to the nothing of this Laser Distance Measuring Equipment Line communication means and device, by only using one group of sender unit and receipt signal on Laser Distance Measuring Equipment Device carries out one-way data transfer, and removes unwanted waveform changing circuit, the calibration letter of non-product state Number transmitter-receiver and waveform changing circuit do not bring user, are the measurement distance school of this Laser Distance Measuring Equipment Standard devises a kind of communication by simple means scheme, had both met communication requirement, and has maintained again relatively low production and become This.
Those skilled in the art, after considering specification and putting into practice disclosure disclosed herein, will readily occur to these public affairs Other embodiments opened.The application is intended to any modification, purposes or the adaptations of the disclosure, These modification, purposes or adaptations are followed the general principle of the disclosure and include that the disclosure is not disclosed Common knowledge in the art or conventional techniques means.Description and embodiments is considered only as exemplary , the true scope of the disclosure and spirit are pointed out by claims hereof.
It should be appreciated that the disclosure is not limited to accurate knot described above and illustrated in the accompanying drawings Structure, and various modifications and changes can carried out without departing from the scope.The scope of the present disclosure is only by appended Claim limits.

Claims (26)

1. a Laser Distance Measuring Equipment, it is characterised in that include:
Base;
Rotating disk, is arranged on described base and can drivingly be rotated;
First circuit board, is arranged in described rotating disk;
Second circuit board, is erected on described first circuit board and electrically connects with described first circuit board, described Carry laser light pipe, camera lens on second circuit board and communicate with described laser light pipe and described camera lens Digital signal processor DSP;
Tertiary circuit plate, is arranged at the bottom surface of described base;
Signal processing component, including be arranged at the signal projector bottom described first circuit board and be arranged at institute State the signal receiver on tertiary circuit plate, in order to transmit the signal that described DSP sends;
Wherein, described first circuit board is additionally provided with the range finding calibration circuit communicating with described DSP, described Being provided with the first electrical connection section on range finding calibration circuit, described first electrical connection section includes in order to receipt signal Signal receives contact.
2. Laser Distance Measuring Equipment according to claim 1, it is characterised in that described first electrical connection section Also include the earthing contact for ground connection, or the power supply contact for power supply, or the signal for signal output Output contact;Wherein, the signal transmitting from described DSP is sent to outside by described signal output contact.
3. Laser Distance Measuring Equipment according to claim 1, it is characterised in that described first electrical connection section Also include the earthing contact for ground connection, and the power supply contact for power supply.
4. Laser Distance Measuring Equipment according to claim 1, it is characterised in that described first electrical connection section Also include the earthing contact for ground connection, and the signal output contact for signal output;Wherein, described The signal transmitting from described DSP is sent to outside by signal output contact.
5. Laser Distance Measuring Equipment according to claim 1, it is characterised in that described first electrical connection section Also include the power supply contact for power supply, and the signal output contact for signal output;Wherein, described The signal transmitting from described DSP is sent to outside by signal output contact.
6. Laser Distance Measuring Equipment according to claim 1, it is characterised in that described first electrical connection section Also include the earthing contact for ground connection, for the power supply contact of power supply, and the signal for signal output Output contact;Wherein, the signal transmitting from described DSP is sent to outside by described signal output contact.
7. the Laser Distance Measuring Equipment according to according to any one of claim 2 to 6, it is characterised in that described First electrical connection section is hard contact.
8. Laser Distance Measuring Equipment according to claim 7, it is characterised in that in described rotating disk, It is provided with the pilot hole corresponding to described first electrical connection section between described laser light pipe and described camera lens;Described Laser Distance Measuring Equipment also includes being assemblied in the upper cover above described rotating disk, described on cover be provided with described The corresponding through hole of pilot hole.
9. Laser Distance Measuring Equipment according to claim 1, it is characterised in that described Laser Distance Measuring Equipment The motor that also includes being arranged at described rotating disk side and around described rotating disk and the on described motor One driving belt, described motor drives described rotating disk to rotate by described first driving belt.
10. Laser Distance Measuring Equipment according to claim 9, it is characterised in that described laser ranging sets The standby wireless power mechanism also including electrically connecting with described first circuit board and described tertiary circuit plate respectively.
11. Laser Distance Measuring Equipments according to claim 10, it is characterised in that described wireless power machine Structure includes the secondary coil being arranged at described first circuit board bottom surface, and be arranged on described tertiary circuit plate, The primary coil relative with described secondary coil;Wherein, when described primary coil passes to voltage, described time Level coil-induced generation electric energy.
12. Laser Distance Measuring Equipments according to claim 10, it is characterised in that described wireless power machine Structure is to be arranged at the magnet of described rotating disk bottom surface and enclose in the coil of described magnet, and described coil is by leading Line is at least connected with described first circuit board, described motor is additionally provided with coaxial with described first driving belt Second driving belt, between the rotating shaft around described motor and described coil for described second driving belt;Its In, described coil is arranged to: the magnetic field being rotated by with septum magnet at described motor produces electric energy.
13. Laser Distance Measuring Equipments according to claim 10, it is characterised in that described wireless power machine Structure is the optical-electrical converter being arranged in described rotating disk, utilize fixed light source irradiate described optical-electrical converter with Produce electric energy.
14. 1 kinds of conducting slip rings, are assemblied in the laser ranging as according to any one of claim 1 to 13 and set It in standby pilot hole, is connected for described Laser Distance Measuring Equipment, it is characterised in that described conducting slip ring bag Including and being adapted to, with the first electrical connection section, the second electrical connection section being connected, described second electrical connection section includes swashing with described On ligh-ranging equipment, the signal for receipt signal receives the signal output probe of contact electrical connection.
15. conducting slip rings according to claim 14, it is characterised in that described second electrical connection section is also Including the grounded probe electrically connecting with the earthing contact of confession ground connection on described Laser Distance Measuring Equipment, or swash with described On ligh-ranging equipment for power supply power supply contact electrical connection for electric probe, or with described Laser Distance Measuring Equipment The upper signal for the signal output contact electrical connection of signal output receives probe.
16. conducting slip rings according to claim 14, it is characterised in that described second electrical connection section is also Including with the grounded probe that electrically connects of earthing contact for ground connection on described Laser Distance Measuring Equipment, and with described What on Laser Distance Measuring Equipment, the power supply contact for power supply electrically connected supplies electric probe.
17. conducting slip rings according to claim 14, it is characterised in that described second electrical connection section is also Including with the grounded probe that electrically connects of earthing contact for ground connection on described Laser Distance Measuring Equipment, and with described On Laser Distance Measuring Equipment, the signal of the signal output contact electrical connection for signal output receives probe.
18. conducting slip rings according to claim 14, it is characterised in that described second electrical connection section is also Including with on described Laser Distance Measuring Equipment for power supply power supply contact electrically connect confession electric probe, and with institute The signal stating the signal output contact electrical connection for signal output on Laser Distance Measuring Equipment receives probe.
19. conducting slip rings according to claim 14, it is characterised in that described second electrical connection section is also Including the grounded probe electrically connecting with the earthing contact of confession ground connection on described Laser Distance Measuring Equipment, with described laser On distance-measuring equipment for power supply power supply contact electrical connection for electric probe, and with described Laser Distance Measuring Equipment The upper signal for the signal output contact electrical connection of signal output receives probe.
20. 1 kinds of wireless communications methods, are applied to the Laser Measuring as according to any one of claim 1 to 13 On equipment, it is characterised in that described method includes:
First signal of telecommunication of DSP output is sent to signal projector;
Described signal projector is utilized to be converted to optical signal and be transferred to signal receiver described first signal of telecommunication;
Described signal receiver is utilized to receive described optical signal and described optical signal is converted to second signal of telecommunication;
Send second signal of telecommunication to machine main circuit board.
21. methods according to claim 20, it is characterised in that described signal projector is luminous tube And it is positioned at first circuit board bottom surface, described signal receiver is photoelectric sensor and is positioned on tertiary circuit plate; Wherein, described signal projector and the cooperation of described signal receiver carries out one-way data transfer.
22. methods according to claim 20, it is characterised in that in conducting slip ring and described Laser Measuring When equipment communicates to connect, also include:
Obtain accurate distance point;
According to described accurate distance point, it is thus achieved that the measured distance of each described accurate distance point corresponding respectively;
Generate the mapping table between described accurate distance point and described measured distance.
23. 1 kinds of radio communication devices, are applied to the Laser Measuring as according to any one of claim 1 to 13 On equipment, it is characterised in that described device includes:
First delivery unit, for being sent to signal projector by first signal of telecommunication of DSP output;
First processing unit, is used for utilizing described signal projector that described first signal of telecommunication is converted to optical signal And it is transferred to signal receiver;
Second processing unit, is used for utilizing described signal receiver to receive described optical signal and by described optical signal Be converted to second signal of telecommunication;
Second delivery unit, for sending second signal of telecommunication to machine main circuit board.
24. devices according to claim 23, it is characterised in that described signal projector is luminous tube And it is positioned at first circuit board bottom surface, described signal receiver is photoelectric sensor and is positioned on tertiary circuit plate; Wherein, described signal projector and the cooperation of described signal receiver carries out one-way data transfer.
25. devices according to claim 23, it is characterised in that in conducting slip ring and described Laser Measuring When equipment communicates to connect, also include:
Acquiring unit, is used for obtaining accurate distance point;
Obtain unit, for according to described accurate distance point, it is thus achieved that each described accurate distance point corresponding respectively Measured distance;
Signal generating unit, for generating the mapping table between described accurate distance point and described measured distance.
The cleaning machine of 26. 1 kinds of autonomous coverings, it is characterised in that include: machine body, is arranged at institute State the Laser Distance Measuring Equipment on machine body, as according to any one of claim 1 to 13.
CN201510497286.3A 2015-08-13 2015-08-13 Laser ranging device, wireless communication method and device Active CN105987686B (en)

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Publication number Priority date Publication date Assignee Title
CN1580691A (en) * 2003-07-31 2005-02-16 北阳电机株式会社 Scanning distance sensor
EP1939650A2 (en) * 2006-12-28 2008-07-02 Hokuyo Automatic Co., Ltd. Optical window contamination detecting device for optical apparatus
CN201478661U (en) * 2009-07-30 2010-05-19 潘国平 Conducting slide ring
CN103424737A (en) * 2012-05-18 2013-12-04 巍世科技有限公司 Optical signal transmission structure of laser ranging device
CN104780001A (en) * 2015-05-07 2015-07-15 上海思岚科技有限公司 Device used for wireless communication between two objects moving relatively
CN205608183U (en) * 2015-08-13 2016-09-28 小米科技有限责任公司 Laser rangefinder equipment and cleaning machines people who independently covers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1580691A (en) * 2003-07-31 2005-02-16 北阳电机株式会社 Scanning distance sensor
EP1939650A2 (en) * 2006-12-28 2008-07-02 Hokuyo Automatic Co., Ltd. Optical window contamination detecting device for optical apparatus
CN201478661U (en) * 2009-07-30 2010-05-19 潘国平 Conducting slide ring
CN103424737A (en) * 2012-05-18 2013-12-04 巍世科技有限公司 Optical signal transmission structure of laser ranging device
CN104780001A (en) * 2015-05-07 2015-07-15 上海思岚科技有限公司 Device used for wireless communication between two objects moving relatively
CN205608183U (en) * 2015-08-13 2016-09-28 小米科技有限责任公司 Laser rangefinder equipment and cleaning machines people who independently covers

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