CN106422314A - Mahjong machine with function of automatically cleaning mahjong tiles and control method thereof - Google Patents
Mahjong machine with function of automatically cleaning mahjong tiles and control method thereof Download PDFInfo
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- CN106422314A CN106422314A CN201611061788.2A CN201611061788A CN106422314A CN 106422314 A CN106422314 A CN 106422314A CN 201611061788 A CN201611061788 A CN 201611061788A CN 106422314 A CN106422314 A CN 106422314A
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- jong pieces
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/20—Dominoes or like games; Mah-Jongg games
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/20—Dominoes or like games; Mah-Jongg games
- A63F2009/205—Mah-jongg games
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Abstract
The invention provides a mahjong machine with a function of automatically cleaning mahjong tiles and a control method thereof. A vapor generator is adopted for introducing heated steam into a tile cleaning barrel chamber so as to uniformly heat and wet the mahjong tiles in the tile cleaning barrel chamber in a tile cleaning process, so that the water-soluble spots on the surfaces of the mahjong tiles are wetted and the fat-soluble spots are heated and then have a certain liquidity; a cleaning executing mechanism is additionally arranged on a tile-stacking conveyor belt so as to form a conveying heating channel; in the process of conveying the mahjong tiles by the tile-stacking conveyor belt, the rotation of a top cleaning roller brush and two lateral cleaning roller brushes is utilized to respectively clean the back and two side walls of the mahjong tiles passing by the conveying heating channel, so that the automatic cleaning for the mahjong tiles is synchronously realized in the process of cleaning the mahjong tiles; the cleaning comprehensiveness and the cleaning capacity are both considered; the defects of the mahjong machine product in the prior art at the aspect of the function of automatically cleaning mahjong tiles are overcome.
Description
Technical field
The present invention relates to mahjong machine and its technical field of automatic control, more particularly, to one kind possess mah-jong pieces automated cleaning
The mahjong machine of function and its control method.
Background technology
The operation principle that mahjong machine realizes automatic card shuffling is such：In a barrel within the chamber of shuffling for mahjong machine fuselage, bottom surface
It is one and the inclined plate rotating can be driven by motor, being disposed with one along directly over the outer circumference of inclined plate can be with inclining
The magnetosphere that tiltedly disk rotates together, and it is horizontal to be fixedly connected with the dialing spring not rotated with inclined plate on the center pillar of barrel within the chamber of shuffling
To being arranged on inclined plate surface, when shuffling, inclined plate drives mah-jong pieces to rotate and dialing spring carries out to mah-jong pieces turning over and dials
Disturbance, is provided with magnetic material in the paste layer of the mah-jong pieces back side, and front does not have, and the magnetic that in the paste layer of the back side, magnetic material possesses
Power size, enables to be picked up by magnetosphere when the mah-jong pieces back side moves to inclined plate highest point position upward just, and
Because mah-jong pieces thickness interval makes magnetosphere that the suction of magnetic material in the paste layer of the mah-jong pieces back side is weakened when mah-jong pieces are face-up
And cannot be picked up；Since so, when barrel within the chamber of shuffling carries out shuffle operation, the mah-jong pieces on inclined plate are turning with disk
Pushed away by dialing spring in dynamic process and sweep to periphery side position, when moving to inclined plate highest point position, carry on the back face-up mahjong
Board is adsorbed on magnetosphere, with magnetosphere rotation, and is located at by bucket of shuffling by crowded the shifting onto of transition baffle plate when a transition baffle plate
On the block board conveyer belt of side, now mah-jong pieces are built board conveyer belt and are sent to counting block memorial tablet with facing down, and count and build memorial tablet
On have an enumerator and one lifting supporting table, odd number grain mah-jong pieces reach count build memorial tablet before, lift supporting table
Table top with build board conveyer belt discharge end contour, mah-jong pieces pass through build board conveyer belt be sent to lift supporting table on, then
Lifting supporting table declines the height of a mah-jong pieces thickness so that even number grain mah-jong pieces are sent to meter by building board conveyer belt
Number is stacked to the top of above odd number grain mah-jong pieces just when building memorial tablet, a pair of the mah-jong pieces then piled up are counted block memorial tablet
The horizontal push rod of of side pushes and is aligned in chain delivery mechanism as the string in one group of mahjong queue, now rises descending branch
Support platform again rises back to and builds the discharge end isometry position of board conveyer belt, and so on, when in chain delivery mechanism, arrangement reaches
To after one group of mahjong queue of regulation columns, by chain delivery mechanism, this group mahjong queue is sent to the queue board in a direction
On the lifting platform of position；The face-up mah-jong pieces that barrel within the chamber of shuffling is not sucked away continue to rotate simultaneously with disk on inclined plate
Dialled by dialing spring and turn over, all dialled until all mah-jong pieces of barrel within the chamber of shuffling and turn over as back side up and after being adsorbed by magnetosphere, one by one
Through above-mentioned block board conveyer belt, count and build memorial tablet, chain delivery mechanism transport flow process, all mah-jong pieces are just piled up for four
Queue, is respectively transmitted on the queue memorial tablet lifting platform of mahjong machine four direction, then when next gambling party starts, four queues
On memorial tablet lifting platform, four mah-jong pieces queues are lifted on desktop.The process of whole automatic card shuffling, each mechanism is all in mahjong
Complete under the control of machine control circuit.
The mechanism of mahjong machine is constituted and mahjong machine control circuit design is very ingenious, and its automatic card shuffling control process
Automatic operating degree is very high.But the control aspect in some other functions, existing mahjong machine still comes with some shortcomings
Or disappearance.
At present, chess and card public place of entertainment is still the main audient place of mahjong machine.Flow of the people due to chess and card public place of entertainment
Greatly, amusement personnel do not fix, and after the long-time use of mahjong machine, the surface of mah-jong pieces is easily dirty, can affect in use to make
The Personal hygiene of user, or even cause pathophoresiss, and mah-jong pieces surface dirty after easily cause mutually viscous glutinous, also affect mahjong
The amusement of board is using it is therefore desirable to be carried out to the mah-jong pieces of mahjong machine in time.However, the manager due to chess and card public place of entertainment
It is difficult to the timely cleaning taken into account to mah-jong pieces in every mahjong machine at any time, and the client as user is generally also less closed
Note mah-jong pieces cleaning problems, often find when using that mah-jong pieces occur in that mutually viscous glutinous or glutinous handss phenomenon, just realize fiber crops
By situation dirty for board, but at this moment adverse effect is brought to the Personal hygiene situation of user, or even caused
The generation of pathophoresiss risk, not only have impact on the mahjong experience of user, and may have impact on user
Personal health.
Therefore, for the public spaces such as chess and card public place of entertainment, in mahjong machine, the timely cleaning of mah-jong pieces is particularly important.So
And, mahjong machine product on the market does not generally possess mah-jong pieces automatic cleaning function at present, and only a few possesses mah-jong pieces cleaning work(
The mahjong machine product of energy often carries out letter simply by cleaning agencies such as the cleaning brush being arranged on barrel within the chamber of shuffling to mah-jong pieces
Single cleaning is processed, but due to barrel within the chamber mah-jong pieces of shuffling mixed and disorderly pile up overlap it is difficult to ensure that whole mah-jong pieces can obtain
Cleaning to barrel within the chamber cleaning agency of shuffling is processed, and barrel within the chamber space of shuffling is big, and mah-jong pieces are in a barrel within the chamber of shuffling
May be pushed out moving, lack enough supporting it is difficult to ensure that cleaning agency provides enough cleaning dynamics to mah-jong pieces, therefore
Its cleaning treatment effect of the mah-jong pieces being cleaned is also not ideal enough, and the comprehensive deficiency with cleaning capacity of its cleaning, is also to make
Such mahjong machine product possessing mah-jong pieces cleaning function is become to fail the key factor promoted the use of on a large scale.
Content of the invention
For deficiency above-mentioned present in prior art, present invention aim at providing one kind to possess mah-jong pieces automated cleaning
The mahjong machine of function, its can preferably ensure to mah-jong pieces cleaning cleaning is comprehensive and cleaning effect, make up prior art
Disappearance on mah-jong pieces automatic cleaning function for the middle mahjong machine product and deficiency.
For solving above-mentioned technical problem, realize goal of the invention, the technical solution used in the present invention is as follows：
A kind of mahjong machine possessing mah-jong pieces automatic cleaning function, including the mahjong in mahjong machine fuselage, and mahjong machine fuselage
Machine control circuit, also includes steam generator, and is installed on the cleaning execution machine built on board conveyer belt in mahjong machine fuselage
Structure；
The steam (vapor) outlet of described steam generator is communicated to a barrel within the chamber of shuffling for mahjong machine fuselage, for a barrel within the chamber of shuffling
It is passed through heating steam；
The actuator of described cleaning includes covering to set along the laying direction building board conveyer belt being arranged on the cover lid built on board conveyer belt, makes
Board conveyer belt must be built and cover lid encloses one transmission cleaning passage that can transport through for mah-jong pieces of formation, on the top surface of cover lid
Top cleaning roller brush is installed, sidepiece cleaning roller brush is respectively installed on two sides, for respectively to by transmitting cleaning passage
The back side of mah-jong pieces and two sides cleaned；The rotating shaft of described top cleaning roller brush is transversely along block board conveyor width
Direction is arranged, and the rotating shaft of two sidepiece cleaning roller brushes is vertically arranged, and the rotating shaft of top cleaning roller brush and two sidepiece cleaning rollers
It is in transmission connection by bevel gear set respectively between the rotating shaft of brush；A roller brush drive motor, roller is also included in cleaning actuator
The drive shaft of brush drive motor is driven being connected with the rotating shaft of top cleaning roller brush or the rotating shaft of a sidepiece cleaning roller brush, uses
To drive top cleaning roller brush and two sidepiece cleaning roller brushes to rotate.
In the above-mentioned mahjong machine possessing mah-jong pieces automatic cleaning function, preferably, in the actuator of described cleaning,
When roller brush drive motor drives top cleaning roller brush and two sidepiece cleaning roller brushes rotate, top cleaning roller brush and two sidepieces
Cleaning roller brush is consistent with the direction of transfer building board conveyer belt to the cleaning direction of the mah-jong pieces by transmitting cleaning passage, and pushes up
The linear velocity of portion's cleaning roller brush and two sidepiece cleaning roller brush rotations is to build more than the twice of board conveyer belt transfer rate.
In the above-mentioned mahjong machine possessing mah-jong pieces automatic cleaning function, as improvement project, described steam generator adopts
Electric heater provides the heating source generating heating steam；Electric heater for heating, institute are additionally provided with described mahjong machine fuselage
State electric heater and be additionally operable to the electric heater as described steam generator.
In the above-mentioned mahjong machine possessing mah-jong pieces automatic cleaning function, as improvement project, also include steam flow-generator,
The steam conveyance conduit of described steam flow-generator be communicated to described cover cover near transmission cleaning passage mah-jong pieces send out
At the position of mouth, for being passed through heating air stream into described transmission cleaning passage.
In the above-mentioned mahjong machine possessing mah-jong pieces automatic cleaning function, as improvement project, described steam flow-generator is adopted
The heating source generating heating air stream is provided with electric heater；Electric heating for heating is additionally provided with described mahjong machine fuselage
Device, described electric heater is additionally operable to the electric heater as described steam flow-generator.
In the above-mentioned mahjong machine possessing mah-jong pieces automatic cleaning function, as improvement project, also include aspirating air exhausting device,
The mah-jong pieces that draw inlet pipeline communication to the described cover of described suction air exhausting device covers near transmission cleaning passage send out
At the position of mouth, the exhaust outlet of suction air exhausting device is arranged on the outside of mahjong machine fuselage, for described transmission cleaning passage
Inside carry out air suction, and the air-flow of suction is discharged from exhaust outlet.
In the above-mentioned mahjong machine possessing mah-jong pieces automatic cleaning function, as improvement project, in described cleaning actuator,
Using mah-jong pieces at the back side built when transmitting on board conveyer belt or side as detection faces, in the mah-jong pieces of described transmission cleaning passage
Transmission porch is additionally provided with the row brush that bristle is arranged perpendicular to described detection faces direction, and cover covers positioned at top cleaning roller brush and side
It is also equipped with for gathering at position between the mah-jong pieces transmission entrance of portion cleaning roller brush place position and transmission cleaning passage
By transmitting the photographic head of the detection faces image of the mah-jong pieces of cleaning passage, and cover covers and installs at photographic head side position
There is the lighting source for the detection faces offer illumination to the mah-jong pieces by transmitting cleaning passage；
Described mahjong machine control circuit is additionally provided with image recognition processor, the image data acquiring of described image recognition processor
End is connected with the view data outfan of photographic head, for obtaining the detection faces image of the mah-jong pieces that photographic head collects, and
The detection faces image that each grain is passed through transmit with the mah-jong pieces of cleaning passage carries out image recognition processing respectively, will be in its detection faces
Identify in image that the mah-jong pieces of striped grooming trace patterns are judged to there are spot mah-jong pieces, and ought be determined in secondary mah-jong pieces
Quantity for there being spot mah-jong pieces exceedes presetting quantity threshold or presetting quantitative proportion limit value, then judge this secondary mahjong
The cleannes of board are in poor shape, otherwise judge the cleannes of this secondary mah-jong pieces in order, thus obtaining the cleaning to mah-jong pieces
Degree testing result.
Correspondingly, present invention also offers a kind of controlling party of the above-mentioned mahjong machine possessing mah-jong pieces cleannes detection function
Method, under the control of mahjong machine control circuit, the operation of execution mah-jong pieces automated cleaning, specifically includes following steps：
S1）When executing mah-jong pieces shuffle operation after starting execution mah-jong pieces automated cleaning operation, control steam generator to washing
Board bucket within the chamber is passed through heating steam, and controls the roller brush drive motor in cleaning actuator to drive top cleaning roller brush and two
Individual sidepiece cleaning roller brush rotates；
S2）During shuffling, after having mah-jong pieces to be transported to block board conveyer belt, under the transmission building board conveyer belt drives
Enter in transmission cleaning passage, by top cleaning roller brush and two sidepiece cleaning roller brushes respectively to the fiber crops by transmitting cleaning passage
The back side of board and two sides are cleaned；Thus continuously carry out process, until the whole mah-jong pieces in secondary mah-jong pieces are equal
After being carried through transmitting cleaning passage, complete the automated cleaning operation to grain mah-jong pieces each in this secondary mah-jong pieces, stop steam
Generator and the operation of cleaning actuator.
Present invention also offers another kind of control method of the above-mentioned mahjong machine possessing mah-jong pieces cleannes detection function,
Execution mah-jong pieces cleannes detection operation under the control of mahjong machine control circuit, and judging the cleannes situation of secondary mah-jong pieces
In the case of not good, then to this secondary mah-jong pieces execution mah-jong pieces automated cleaning operation under the control of mahjong machine control circuit；Hold
The operating process of row mah-jong pieces cleannes detection specifically includes following steps：
A1）After starting execution mah-jong pieces cleannes detection operation and when starting to execute mah-jong pieces shuffle operation, steam is controlled to send out
Raw device is passed through heating steam to a barrel within the chamber of shuffling, and controls lighting source and the video camera opening in cleaning actuator；
A2）During shuffling, after having mah-jong pieces to be transported to block board conveyer belt, drive in the transmission building board conveyer belt
Under, mah-jong pieces, after the mah-jong pieces transmission porch of transmission cleaning passage is by its detection faces of row brush grooming, enter transmission cleaning
In passage, gathered the detection faces image of mah-jong pieces by photographic head, transmission cleaning is passed through by image recognition processor to each grain logical
The detection faces image of the mah-jong pieces in road carries out image recognition processing respectively, will identify striped grooming trace in its detection faces image
The mah-jong pieces of mark pattern are judged to there are spot mah-jong pieces；Thus continuously carry out process, until the whole mahjong in secondary mah-jong pieces
After board is all carried through transmitting cleaning passage, completes the image recognition processing to grain mah-jong pieces each in this secondary mah-jong pieces, close
Steam generator, lighting source and video camera；
A3）The quantity being judged as spot mah-jong pieces in this secondary mah-jong pieces is counted by image recognition processor, if having exceeded pre-
Set quantity threshold, or be judged as in this secondary mah-jong pieces spot mah-jong pieces quantity proportion exceeded presetting
Quantitative proportion limit value, then judge that the cleannes of this secondary mah-jong pieces are in poor shape, otherwise judges the cleannes situation of this secondary mah-jong pieces
Well, thus obtaining the cleannes testing result to mah-jong pieces.
Compared to prior art, the invention has the advantages that：
1st, the present invention possesses mahjong machine and its control method of mah-jong pieces automatic cleaning function, by setting up steam generator to washing
Board bucket within the chamber is passed through heating steam, in order to carry out all to the mah-jong pieces of barrel within the chamber of shuffling during shuffling by heating steam
Even heating and moistening are so that the water-soluble stain on mah-jong pieces surface is wetted, fat-soluble spot has a constant current after being heated
Dynamic property, and constitute a transmission cleaning passage due to cleaning actuator having been installed additional on block board conveyer belt, in order in each grain
During mah-jong pieces are built the transmission of board conveyer belt one by one, turning using top cleaning roller brush and two sidepiece cleaning roller brushes
Dynamic, the back side to the mah-jong pieces by transmitting cleaning passage and two sides are cleaned such that it is able to execute mahjong respectively
The just synchronous automated cleaning realized to mah-jong pieces during board shuffle operation.
2nd, the present invention possesses the mahjong machine of mah-jong pieces automatic cleaning function, and it is to enter by grain to the cleaning process of mah-jong pieces
OK, will not omit, and in cleaning operation, cover lid, top cleaning roller brush, two sidepiece cleaning roller brushes and block board conveyer belt pair
Mah-jong pieces provide the support force being wrapped circumferentially around, and can effectively guarantee to provide enough supports and wiping dynamics, reach expected
Cleaning treatment effect, taken into account well to mah-jong pieces cleaning cleaning is comprehensive and cleaning capacity, make up fiber crops in prior art
By disappearance on mah-jong pieces automatic cleaning function for the machine product and deficiency.
3rd, possess in the present invention mah-jong pieces automatic cleaning function mahjong machine specifically used in, can be idle in mahjong machine
When or in the form of the fixed cycle, synchronous during mahjong machine executes mah-jong pieces shuffle operation execute above-mentioned mah-jong pieces
Automated cleaning operates, it is to avoid mah-jong pieces cleaning problems affect mahjong experience, the risk causing pathophoresiss, bring personal being good for
The problems such as health hidden danger.
4th, the present invention possesses the mahjong machine of mah-jong pieces automatic cleaning function, is built board conveyer belt one by one in each grain mah-jong pieces
During transmission, further can also transmit porch by the mah-jong pieces in transmission sense channel and set up row brush to mahjong
After the detection faces of board carry out grooming, carry out the collection of detection faces image by designing camera, and combine image recognition processor
Image recognition processing, by judging the cleannes shape of mah-jong pieces with the presence or absence of striped grooming trace patterns in detection faces image
Condition such that it is able to just synchronous realization during execution mah-jong pieces shuffle operation detects to the machine of mah-jong pieces cleannes,
Effectively judge the cleaning situation on mah-jong pieces surface, compensate for mahjong machine product in prior art and cannot realize mah-jong pieces cleaning
Situation machine detects the techno-absence of function.
Brief description
Fig. 1 possesses the mahjong machine structural representation of mah-jong pieces automatic cleaning function for the present invention.
Fig. 2 possesses the cleaning execution building installation on board conveyer belt in the mahjong machine of mah-jong pieces automatic cleaning function for the present invention
A kind of structural representation of the specific embodiment of mechanism.
Specific embodiment
Found after carefully analyzing the reason cause mah-jong pieces dirty, the principal element causing mah-jong pieces dirty is to be derived from
In water-soluble stain and fat-soluble spot, the water-soluble stain such as fruit juice that all mainly user carries on hand, sugaring and
The fat-soluble spots such as edible oil, secretion oils and fatss cause after adhering to mah-jong pieces surface.These water-soluble stain and fat-soluble dirt
Stain is attached to mah-jong pieces surface side and does rear it is not easy to be removed by modes such as simple wipings, needs by dirty to water solublity
So that they recover certain flowable after stain carries out moistening or fat-soluble spot is heated, can be more preferable
Remove, and when removing the spot on mah-jong pieces surface therefore, to assure that providing enough supports and wiping dynamics, could preferably
Ensure the effect of cleaning treatment.
Based on above-mentioned thinking, the present invention proposes a kind of mahjong machine possessing mah-jong pieces automatic cleaning function, as Fig. 1 institute
Show, it includes the mahjong machine control circuit in mahjong machine fuselage 10, and mahjong machine fuselage；Additionally include steam generator
20, and it is installed on the cleaning actuator 40 built on board conveyer belt 30 in mahjong machine fuselage；Certainly, steam generator and clear
Clean actuator runs all under the control of mahjong machine control circuit.The steam (vapor) outlet of steam generator 20 is communicated to mahjong machine machine
A barrel within the chamber of shuffling for body, for being passed through heating steam to a barrel within the chamber of shuffling.And clean one kind of actuator 40 specifically in fact
Apply structure and be arranged on, as shown in Fig. 2 including setting along the laying direction cover building board conveyer belt, the cover lid 41 built on board conveyer belt 30, make
Board conveyer belt 30 must be built and cover lid 41 encloses one transmission cleaning passage that can transport through for mah-jong pieces of formation, cover lid 41
It is provided with top surface, on 42, two sides of top cleaning roller brush, sidepiece cleaning roller brush 43 is respectively installed, for respectively to by passing
The back side of the mah-jong pieces of cleaning passage and two sides are sent to be cleaned；The rotating shaft of described top cleaning roller brush 42 is transversely along block
Board conveyor width direction is arranged, and the rotating shaft of two sidepiece cleaning roller brushes 43 is vertically arranged, and the rotating shaft of top cleaning roller brush 42
It is in transmission connection by bevel gear set respectively and the rotating shaft of two sidepiece cleaning roller brushes 43 between；One is also included in cleaning actuator
Individual roller brush drive motor（Not shown in FIG. 2）, the rotating shaft or of the drive shaft of roller brush drive motor and top cleaning roller brush 42
The rotating shaft of individual sidepiece cleaning roller brush 43 is driven connecting, in order to drive top cleaning roller brush and two sidepiece cleaning roller brushes to turn
Dynamic.
Since so, the mahjong machine that the present invention possesses mah-jong pieces automatic cleaning function just can be in mahjong machine control circuit
Under control, execution mah-jong pieces automated cleaning operation, its control method specifically includes following steps：
S1）When executing mah-jong pieces shuffle operation after starting execution mah-jong pieces automated cleaning operation, control steam generator to washing
Board bucket within the chamber is passed through heating steam, and controls the roller brush drive motor in cleaning actuator to drive top cleaning roller brush and two
Individual sidepiece cleaning roller brush rotates；
S2）During shuffling, after having mah-jong pieces to be transported to block board conveyer belt, under the transmission building board conveyer belt drives
Enter in transmission cleaning passage, by top cleaning roller brush and two sidepiece cleaning roller brushes respectively to the fiber crops by transmitting cleaning passage
The back side of board and two sides are cleaned；Thus continuously carry out process, until the whole mah-jong pieces in secondary mah-jong pieces are equal
After being carried through transmitting cleaning passage, complete the automated cleaning operation to grain mah-jong pieces each in this secondary mah-jong pieces, stop steam
Generator and the operation of cleaning actuator.
It can thus be seen that due to during mahjong machine execution mah-jong pieces shuffle operation, every mah-jong pieces all can one
One ground is sent to be piled up one by one on counting block memorial tablet by block board conveyer belt and is arranged as mahjong queue, and the present invention possesses
In the mahjong machine of mah-jong pieces automatic cleaning function, it is passed through heating steam by setting up steam generator to a barrel within the chamber of shuffling, use
Uniformly to be heated to the mah-jong pieces of barrel within the chamber of shuffling during shuffling by heating steam and moistening is so that mah-jong pieces
The water-soluble stain on surface is wetted, fat-soluble spot has certain fluidity after being heated, and due to building board conveyer belt
On installed additional cleaning actuator constitute one transmission cleaning passage, in order to each grain mah-jong pieces one by one by build board conveyer belt pass
During sending, using the rotation of top cleaning roller brush and two sidepiece cleaning roller brushes, respectively to by transmitting cleaning passage
The back side of mah-jong pieces and two sides are cleaned the reality such that it is able to just synchronous during execution mah-jong pieces shuffle operation
The now automated cleaning to mah-jong pieces, the cleaning process to mah-jong pieces is to carry out by grain, will not omit, and in cleaning operation, cover
Lid, top cleaning roller brush, two sidepiece cleaning roller brushes and block board conveyer belt provide, to mah-jong pieces, the support force being wrapped circumferentially around,
Can effectively guarantee to provide enough supports and wiping dynamics, reach expected cleaning treatment effect, taken into account well to fiber crops
The cleaning that board is cleaned is comprehensive and cleaning capacity, makes up in prior art mahjong machine product on mah-jong pieces automatic cleaning function
Disappearance and deficiency.
Possess a kind of mahjong machine of the mah-jong pieces automatic cleaning function preferred version in structure design as the present invention,
In its clean actuator, when roller brush drive motor drives top cleaning roller brush and two sidepiece cleaning roller brushes rotate, top is clear
Sweep roller brush and two sidepiece cleaning roller brushes and direction and the biography building board conveyer belt are cleaned to the mah-jong pieces by transmitting cleaning passage
Send direction consistent, and the linear velocity of top cleaning roller brush and two sidepiece cleaning roller brush rotations is to build board conveyer belt transfer rate
Twice more than.So design, so that top cleaning roller brush and two sidepiece cleaning roller brushes are to by transmitting cleaning passage
Mah-jong pieces to clean the direction and mah-jong pieces direction of transfer on block board conveyer belt consistent, will not be because of top cleaning roller brush
The cleaning of mah-jong pieces is caused mah-jong pieces are being built the obstruction of transmission on board conveyer belt, caused fiber crops with two sidepiece cleaning roller brushes
By the problems such as board conveying blocking；Meanwhile, the linear velocity of top cleaning roller brush and two sidepiece cleaning roller brush rotations requires to be to build board
More than the twice of conveyer belt transfer rate, it is to ensure that the cleaning quality to mah-jong pieces surface.
As a kind of improvement project, possess in the mahjong machine of mah-jong pieces automatic cleaning function in the present invention, can also set up
Steam flow-generator, as shown in Fig. 2 the steam conveyance conduit 51 of this steam flow-generator is communicated on described cover lid 41 near biography
The mah-jong pieces sending cleaning passage transmit at the position of outlet, for being passed through heating air stream into described transmission cleaning passage.And
In above-mentioned mahjong machine control method flow process, described step S1）In, after starting execution mah-jong pieces cleannes detection operation simultaneously
When starting to execute mah-jong pieces shuffle operation, steam flow-generator is also controlled to be passed through heating air stream into transmission cleaning passage；Institute
State step S2）In, after completing the automated cleaning operation to grain mah-jong pieces each in this secondary mah-jong pieces, also close thermal current in the lump and send out
Raw device.Since so, it is possible to use steam flow-generator provides heating air-flow into transmission cleaning passage, and heated steam is moistened
Wet mah-jong pieces carry out drying and processing, with avoid mah-jong pieces piling up after building board conveyer belt, in alignment processes because depositing
Water stain and occur viscous glutinous.
As further improvement project, on the basis of the above, possesses the mahjong of mah-jong pieces automatic cleaning function in the present invention
In machine, suction air exhausting device can also be set up, as shown in Fig. 2 the draw inlet pipeline 61 of this suction air exhausting device is communicated to institute
State on cover lid 41 at the position of the mah-jong pieces transmission outlet of transmission cleaning passage, the exhaust outlet of suction air exhausting device is arranged on
The outside of mahjong machine fuselage, for aspirating to the air in described transmission cleaning passage, and by the air-flow of suction from air draft
Mouth is discharged.And in above-mentioned mahjong machine control method flow process, described step S1）In, starting execution mah-jong pieces cleannes inspection
After surveying operation and when starting to execute mah-jong pieces shuffle operation, go back startup optimization suction air exhausting device and carry out in transmission cleaning passage
Air suction and Air exhaust；Described step S2）In, complete the automated cleaning operation to grain mah-jong pieces each in this secondary mah-jong pieces
Afterwards, also close suction air exhausting device in the lump.The suction air draft throughput that suction air exhausting device can be designed is less than thermal current generation
Device is passed through the throughput of heating air stream into transmission cleaning passage.Since so, on the one hand can avoid only passing through thermal current
Generator is passed through into transmission cleaning passage and causes the gathering transmitting amount of heat in cleaning passage easily to make after heating air stream
Become device to be excessively heated and problem that is aging, damaging, be more favorable to quickly to extract out to get off from mah-jong pieces removing surface simultaneously
Spot and mah-jong pieces are subject to the dampness of heat produced, thus preferably reaching the cleaning to mah-jong pieces and drying effect.
In above-mentioned improvement project, steam generator and steam flow-generator are all under the control of mahjong machine control circuit
Run, steam generator can provide, using electric heater, the heating source generating heating steam, and steam flow-generator can adopt
Electric heater provides the heating source generating heating air stream；Simultaneously as also setting up on a lot of mahjong machine fuselages in prior art
There is the electric heater for heating, as a kind of integration of equipments scheme, electric heater can be simultaneously used for as described steam generation
Device, the electric heater of steam flow-generator；Certainly, steam generator, steam flow-generator can also each arrange single electricity
Heater.
Possess in the present invention mah-jong pieces automatic cleaning function mahjong machine specifically used in, can be when mahjong machine be idle
Or in the form of the fixed cycle, synchronization during mahjong machine executes mah-jong pieces shuffle operation executes above-mentioned mah-jong pieces certainly
Dynamic clean operation, it is to avoid mah-jong pieces cleaning problems impact mahjong is experienced, caused the risk of pathophoresiss, brings personal health
The problems such as hidden danger.
On the other hand, in addition to mah-jong pieces automatic cleaning function, if mahjong machine can also possess mah-jong pieces clean condition
Detection function so long can be in the case that detection judges that the cleannes of secondary mah-jong pieces are in poor shape, then to this secondary mahjong
Board execution mah-jong pieces automated cleaning operation, thus the further automatization of lifting mah-jong pieces and intelligence degree.
But, how to realize the machine to mah-jong pieces clean condition and detect it is technological difficulties, do not deposit on the market at present
In the mahjong machine product of the detection function of possessing mah-jong pieces clean condition, the reason it is important it is, for the cleaning shape of mah-jong pieces
Condition, lacks more effective detection meanss in prior art.For example, mah-jong pieces start a dirty main feature, are
Mah-jong pieces surface is glued stickiness and is strengthened, but specifically how to go to detect or identify that the viscous stickiness on mah-jong pieces surface is strong by machine means
Weak, this is all to go back open question at present.
However, it is contemplated that the spot on mah-jong pieces surface is mainly water-soluble stain and fat-soluble spot, and water-soluble stain
Meet a small amount of water dissolution be highly concentrated solution after and fat-soluble spot after being heated, all can have certain stickiness, therefore
Can consider using this stickiness as the identification feature to mah-jong pieces clean-up performance；But, how to obtain such stickiness table
Reference ceases, and how about realizes the identification of stickiness situation, becomes further technology and hinders.Analyzed and researched by further
Find with experiment, be directed to viscous substance and have non-viscous substance（For example surface only has water）Mah-jong pieces smooth table
Face carries out after grooming using row brush, can assume different vestige characteristics on the smooth surface of mah-jong pieces；Due to making mah-jong pieces
Rigid plastics material non-hydrophilic, only have non-viscous substance（Such as water）Mah-jong pieces smooth surface through row brush grooming
Afterwards, the tiny globule or smooth moisture film vestige state are assumed；And have the mah-jong pieces smooth surface of viscous substance after row brush grooming,
The stickiness characteristic being possessed by viscous substance, was stayed by the inswept striped grooming vestige shape of bristle in mah-jong pieces surface last time
State, the different vestige state of both can be distinguished by mah-jong pieces surface is carried out after image acquisition with addition machine recognition；And
And, because the present invention possesses the mahjong machine of mah-jong pieces automatic cleaning function, originally it is accomplished by the water distributing by steam generator
Steam carries out moistening heating to mah-jong pieces, here it is also possible to present mah-jong pieces performance dirt using the moistening heating of vapor
The sticky characteristic of stain.Thus, just it is found that one kind can be applied to the differentiation of machine means and judge whether mah-jong pieces surface is stained with
The mode of viscous substance, and this mode can be in order to more effectively to embody the different cleaning situation of mah-jong pieces.
Possesses the further improvement project of the mahjong machine of mah-jong pieces automatic cleaning function accordingly, as the present invention, such as Fig. 2
Shown, in its cleaning actuator 40, the predetermined detection faces that mah-jong pieces are detected, board biography can built with mah-jong pieces
Send on band back side during transmission or side as detection faces, be to be built on board conveyer belt with mah-jong pieces in the scheme shown in Fig. 2
Back side during transmission, as the situation of detection faces, is provided with bristle in the mah-jong pieces transmission porch of described transmission sense channel vertical
In described detection faces direction arrangement row brush 44, due to mah-jong pieces build board conveyer belt on transmit when the back side be level upward
, the bristle of the scheme row brush 44 shown in therefore in Fig. 2 is disposed vertically downward, and cover lid 41 is also equipped with logical for gathering
Cross the photographic head 45 of the detection faces image of mah-jong pieces of transmission sense channel, and be located at photographic head 45 side position on cover lid 41
Lighting source 46 for the detection faces offer illumination to the mah-jong pieces by transmitting sense channel is installed；Meanwhile, mahjong machine
Control circuit is also correspondingly provided with image recognition processor, the image data acquiring end of image recognition processor and the figure of photographic head
As data output end is connected, for obtaining the detection faces image of the mah-jong pieces that photographic head collects, and each grain is passed through to pass
The detection faces image sending the mah-jong pieces of cleaning passage carries out image recognition processing respectively, will identify shaping in its detection faces image
The mah-jong pieces of stricture of vagina grooming trace patterns are judged to there are spot mah-jong pieces, and ought be judged as spot mah-jong pieces in secondary mah-jong pieces
Quantity exceed presetting quantity threshold or presetting quantitative proportion limit value, then judge the cleannes situation of this secondary mah-jong pieces
Not good, otherwise judge the cleannes of this secondary mah-jong pieces in order, thus obtaining the cleannes testing result to mah-jong pieces.
Possess another kind of control method of the mahjong machine of mah-jong pieces automatic cleaning function as the present invention, can design in fiber crops
By execution mah-jong pieces cleannes detection operation under the control of machine control circuit, and in the cleannes situation judging secondary mah-jong pieces not
In the case of good, then to this secondary mah-jong pieces execution mah-jong pieces automated cleaning operation under the control of mahjong machine control circuit；Wherein,
The operating process of execution mah-jong pieces cleannes detection specifically includes following steps：
A1）After starting execution mah-jong pieces cleannes detection operation and when starting to execute mah-jong pieces shuffle operation, steam is controlled to send out
Raw device is passed through heating steam to a barrel within the chamber of shuffling, and controls lighting source and the video camera opening in cleaning actuator；
A2）During shuffling, after having mah-jong pieces to be transported to block board conveyer belt, drive in the transmission building board conveyer belt
Under, mah-jong pieces, after the mah-jong pieces transmission porch of transmission cleaning passage is by its detection faces of row brush grooming, enter transmission cleaning
In passage, gathered the detection faces image of mah-jong pieces by photographic head, transmission cleaning is passed through by image recognition processor to each grain logical
The detection faces image of the mah-jong pieces in road carries out image recognition processing respectively, will identify striped grooming trace in its detection faces image
The mah-jong pieces of mark pattern are judged to there are spot mah-jong pieces；Thus continuously carry out process, until the whole mahjong in secondary mah-jong pieces
After board is all carried through transmitting cleaning passage, completes the image recognition processing to grain mah-jong pieces each in this secondary mah-jong pieces, close
Steam generator, lighting source and video camera；
A3）The quantity being judged as spot mah-jong pieces in this secondary mah-jong pieces is counted by image recognition processor, if having exceeded pre-
Set quantity threshold, or be judged as in this secondary mah-jong pieces spot mah-jong pieces quantity proportion exceeded presetting
Quantitative proportion limit value, then judge that the cleannes of this secondary mah-jong pieces are in poor shape, otherwise judges the cleannes situation of this secondary mah-jong pieces
Well, thus obtaining the cleannes testing result to mah-jong pieces.
Hereafter, in the case that the cleannes judging secondary mah-jong pieces are in poor shape, then mahjong is executed to this secondary mah-jong pieces
The process step of board automated cleaning operation is step S1 described above）~S2）Shown, it is that the operation of this automated cleaning needs in fiber crops
Machine is carried out carrying out during shuffle operation to this secondary mah-jong pieces next time again.
It can thus be seen that the present invention possesses in the mahjong machine of mah-jong pieces automatic cleaning function, in each grain mah-jong pieces one by one
During the transmission of board conveyer belt is built on ground, the mah-jong pieces that can also further pass through in transmission sense channel transmit porch
Set up row brush the detection faces of mah-jong pieces are carried out after grooming, carry out the collection of detection faces image by designing camera, and combine figure
As the image recognition processing of recognition processor, by judging mahjong with the presence or absence of striped grooming trace patterns in detection faces image
The cleannes situation of board is such that it is able to just synchronous realization during execution mah-jong pieces shuffle operation is to mah-jong pieces cleannes
Machine detection, effectively judge the cleaning situation on mah-jong pieces surface, compensate for mahjong machine product in prior art cannot be real
Existing mah-jong pieces clean condition machine detects the techno-absence of function；And, mahjong machine is carrying out the place of mah-jong pieces cleannes detection
During reason, it is also just to be synchronized and carry out during execution mah-jong pieces shuffle operation, it is to avoid single cleannes detection
Flow process additionally takies the machine run time of mahjong machine, and due to building the transport on board conveyer belt also with mah-jong pieces
Process, therefore also ensure that to all comprehensively degree of the being cleaned detections of each grain mah-jong pieces in secondary mah-jong pieces, will not omit,
The flow process conformability and the detection that have taken into account the detection of mah-jong pieces cleannes well are comprehensive.If additionally, having additional thermal current
In the case of generator, steam flow-generator can also be controlled during execution mah-jong pieces cleannes detection to transmission cleaning
Heating air-flow is provided in passage, is used not only for carrying out drying and processing to the mah-jong pieces of heated steam moistening, and heats
The camera lens that the heat that air-flow provides into transmission cleaning passage is also possible to prevent photographic head hazes and shadow because meeting after vapor is caught a cold
Ring the problem of image acquisition.
Additionally, as further improving, possessing in the mahjong machine of mah-jong pieces automatic cleaning function in the present invention, in mahjong
Cleannes testing result indicator, described cleannes indicator and image are also provided with the operational control panel of machine fuselage
The indication signal outfan of recognition processor is connected, cleannes inspection to secondary mah-jong pieces according to it by image recognition processor
Survey output control cleannes indicator and execute that cleannes are in poor shape or cleannes information instruction operation in order.And upper
In the mahjong machine control method flow process stated, described step A3）In, obtain the cleaning to mah-jong pieces in image recognition processor statistics
After degree testing result, cleannes indicator is also controlled to execute the information instruction operation of corresponding cleannes testing result.It is embodied as
When, cleannes indicator can be display screen, execute the information instruction operation of cleannes testing result by text importing；Also may be used
The information instruction operation of different cleaning degree testing result to be display lamp, is executed by different colored lights；Can also be speaker,
By voice broadcast can be different prompt tone execute different cleaning degree testing result information instruction operation.Since so, fiber crops
The owner of machine or user just can timely be known the cleaning shape of mah-jong pieces by the information instruction of cleannes testing result
Condition.
Possess in the present invention mah-jong pieces automatic cleaning function mahjong machine specifically used in, can be when mahjong machine be idle
Or in the form of the fixed cycle, synchronous execution mah-jong pieces cleannes inspection during mahjong machine execution mah-jong pieces shuffle operation
Flow gauge, finds to control startup that the automated cleaning of mah-jong pieces is processed during mah-jong pieces cleaning problems in order to timely.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although with reference to relatively
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, the objective without deviating from technical solution of the present invention and scope, and it all should be covered at this
In the middle of the right of invention.
Claims (9)
1. a kind of mahjong machine possessing mah-jong pieces automatic cleaning function, including the fiber crops in mahjong machine fuselage, and mahjong machine fuselage
By machine control circuit it is characterised in that also including steam generator, and it is installed on the block board conveyer belt in mahjong machine fuselage
Cleaning actuator；
The steam (vapor) outlet of described steam generator is communicated to a barrel within the chamber of shuffling for mahjong machine fuselage, for a barrel within the chamber of shuffling
It is passed through heating steam；
The actuator of described cleaning includes covering to set along the laying direction building board conveyer belt being arranged on the cover lid built on board conveyer belt, makes
Board conveyer belt must be built and cover lid encloses one transmission cleaning passage that can transport through for mah-jong pieces of formation, on the top surface of cover lid
Top cleaning roller brush is installed, sidepiece cleaning roller brush is respectively installed on two sides, for respectively to by transmitting cleaning passage
The back side of mah-jong pieces and two sides cleaned；The rotating shaft of described top cleaning roller brush is transversely along block board conveyor width
Direction is arranged, and the rotating shaft of two sidepiece cleaning roller brushes is vertically arranged, and the rotating shaft of top cleaning roller brush and two sidepiece cleaning rollers
It is in transmission connection by bevel gear set respectively between the rotating shaft of brush；A roller brush drive motor, roller is also included in cleaning actuator
The drive shaft of brush drive motor is driven being connected with the rotating shaft of top cleaning roller brush or the rotating shaft of a sidepiece cleaning roller brush, uses
To drive top cleaning roller brush and two sidepiece cleaning roller brushes to rotate.
2. possesses the mahjong machine of mah-jong pieces automatic cleaning function according to claim 1 it is characterised in that described cleaning executes
In mechanism, when roller brush drive motor drives top cleaning roller brush and two sidepiece cleaning roller brushes rotate, top cleaning roller brush and
Two sidepiece cleaning roller brushes direction of transfer phase cleaning direction and block board conveyer belt to the mah-jong pieces by transmitting cleaning passage
Unanimously, and the linear velocity that rotates of top cleaning roller brush and two sidepiece cleaning roller brushes be build the twice of board conveyer belt transfer rate with
On.
3. possesses the mahjong machine of mah-jong pieces automatic cleaning function according to claim 1 it is characterised in that described steam generation
Device adopts electric heater to provide the heating source generating heating steam；Electric heating for heating is additionally provided with described mahjong machine fuselage
Device, described electric heater is additionally operable to the electric heater as described steam generator.
4. possesses the mahjong machine of mah-jong pieces automatic cleaning function according to claim 1 it is characterised in that also including thermal current
Generator, the steam conveyance conduit of described steam flow-generator is communicated to described cover and covers the mah-jong pieces near transmission cleaning passage
At the position of transmission outlet, for being passed through heating air stream into described transmission cleaning passage.
5. possesses the mahjong machine of mah-jong pieces automatic cleaning function according to claim 4 it is characterised in that described thermal current is sent out
Raw device adopts electric heater to provide the heating source generating heating air stream；It is additionally provided with described mahjong machine fuselage for heating
Electric heater, described electric heater is additionally operable to the electric heater as described steam flow-generator.
6. possesses the mahjong machine of mah-jong pieces automatic cleaning function according to claim 4 it is characterised in that also including suction row
Wind apparatus, draw inlet pipeline communication to the described cover of described suction air exhausting device covers the mah-jong pieces near transmission cleaning passage
At the position of transmission outlet, the exhaust outlet of suction air exhausting device is arranged on the outside of mahjong machine fuselage, for clear to described transmission
Carry out air suction in clean passage, and the air-flow of suction is discharged from exhaust outlet.
7. possesses the mahjong machine of mah-jong pieces automatic cleaning function according to claim 1 it is characterised in that described cleaning executes
In mechanism, using mah-jong pieces at the back side built when transmitting on board conveyer belt or side as detection faces, in described transmission cleaning passage
Mah-jong pieces transmission porch be additionally provided with the row brush that bristle arrange perpendicular to described detection faces direction, cover covers positioned at top cleaning
It is also equipped with position between the mah-jong pieces transmission entrance of roller brush and sidepiece cleaning roller brush place position and transmission cleaning passage
For collection by transmitting the photographic head of the detection faces image of the mah-jong pieces of cleaning passage, and cover covers positioned at photographic head side position
The place of putting is provided with the lighting source for the detection faces offer illumination to the mah-jong pieces by transmitting cleaning passage；
Described mahjong machine control circuit is additionally provided with image recognition processor, the image data acquiring of described image recognition processor
End is connected with the view data outfan of photographic head, for obtaining the detection faces image of the mah-jong pieces that photographic head collects, and
The detection faces image that each grain is passed through transmit with the mah-jong pieces of cleaning passage carries out image recognition processing respectively, will be in its detection faces
Identify in image that the mah-jong pieces of striped grooming trace patterns are judged to there are spot mah-jong pieces, and ought be determined in secondary mah-jong pieces
Quantity for there being spot mah-jong pieces exceedes presetting quantity threshold or presetting quantitative proportion limit value, then judge this secondary mahjong
The cleannes of board are in poor shape, otherwise judge the cleannes of this secondary mah-jong pieces in order, thus obtaining the cleaning to mah-jong pieces
Degree testing result.
8. possesses the control method of the mahjong machine of mah-jong pieces automatic cleaning function as claimed in claim 1 it is characterised in that in fiber crops
By execution mah-jong pieces automated cleaning operation under the control of machine control circuit, specifically include following steps：
S1）When executing mah-jong pieces shuffle operation after starting execution mah-jong pieces automated cleaning operation, control steam generator to washing
Board bucket within the chamber is passed through heating steam, and controls the roller brush drive motor in cleaning actuator to drive top cleaning roller brush and two
Individual sidepiece cleaning roller brush rotates；
S2）During shuffling, after having mah-jong pieces to be transported to block board conveyer belt, under the transmission building board conveyer belt drives
Enter in transmission cleaning passage, by top cleaning roller brush and two sidepiece cleaning roller brushes respectively to the fiber crops by transmitting cleaning passage
The back side of board and two sides are cleaned；Thus continuously carry out process, until the whole mah-jong pieces in secondary mah-jong pieces are equal
After being carried through transmitting cleaning passage, complete the automated cleaning operation to grain mah-jong pieces each in this secondary mah-jong pieces, stop steam
Generator and the operation of cleaning actuator.
9. possesses the control method of the mahjong machine of mah-jong pieces automatic cleaning function as claimed in claim 6 it is characterised in that in fiber crops
By execution mah-jong pieces cleannes detection operation under the control of machine control circuit, and in the cleannes situation judging secondary mah-jong pieces not
In the case of good, then to this secondary mah-jong pieces execution mah-jong pieces automated cleaning operation under the control of mahjong machine control circuit；Execution
The operating process of mah-jong pieces cleannes detection specifically includes following steps：
A1）After starting execution mah-jong pieces cleannes detection operation and when starting to execute mah-jong pieces shuffle operation, steam is controlled to send out
Raw device is passed through heating steam to a barrel within the chamber of shuffling, and controls lighting source and the video camera opening in cleaning actuator；
A2）During shuffling, after having mah-jong pieces to be transported to block board conveyer belt, drive in the transmission building board conveyer belt
Under, mah-jong pieces, after the mah-jong pieces transmission porch of transmission cleaning passage is by its detection faces of row brush grooming, enter transmission cleaning
In passage, gathered the detection faces image of mah-jong pieces by photographic head, transmission cleaning is passed through by image recognition processor to each grain logical
The detection faces image of the mah-jong pieces in road carries out image recognition processing respectively, will identify striped grooming trace in its detection faces image
The mah-jong pieces of mark pattern are judged to there are spot mah-jong pieces；Thus continuously carry out process, until the whole mahjong in secondary mah-jong pieces
After board is all carried through transmitting cleaning passage, completes the image recognition processing to grain mah-jong pieces each in this secondary mah-jong pieces, close
Steam generator, lighting source and video camera；
A3）The quantity being judged as spot mah-jong pieces in this secondary mah-jong pieces is counted by image recognition processor, if having exceeded pre-
Set quantity threshold, or be judged as in this secondary mah-jong pieces spot mah-jong pieces quantity proportion exceeded presetting
Quantitative proportion limit value, then judge that the cleannes of this secondary mah-jong pieces are in poor shape, otherwise judges the cleannes situation of this secondary mah-jong pieces
Well, thus obtaining the cleannes testing result to mah-jong pieces.
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| CN201611061788.2A CN106422314B (en) | 2016-11-28 | 2016-11-28 | A kind of mahjong machine having mah-jong pieces automatic cleaning function and its control method |
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| CN107875626A (en) * | 2017-12-07 | 2018-04-06 | 周晨晨 | A kind of mahjong table with cleaning device |
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| CN110280010A (en) * | 2019-07-30 | 2019-09-27 | 常德市思沅智能技术有限公司 | A kind of word board machine |
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| CN106422314B (en) | 2019-06-28 |
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