CN109091093A - A kind of detection method of gushing arm revolving speed and the structure for detecting gushing arm revolving speed - Google Patents
A kind of detection method of gushing arm revolving speed and the structure for detecting gushing arm revolving speed Download PDFInfo
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- CN109091093A CN109091093A CN201811012035.1A CN201811012035A CN109091093A CN 109091093 A CN109091093 A CN 109091093A CN 201811012035 A CN201811012035 A CN 201811012035A CN 109091093 A CN109091093 A CN 109091093A
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- Prior art keywords
- gushing arm
- signal
- transmitting element
- revolving speed
- signal transmitting
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000004851 dishwashing Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 45
- 235000014676 Phragmites communis Nutrition 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 14
- 230000005693 optoelectronics Effects 0.000 claims description 12
- 230000005622 photoelectricity Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000005507 spraying Methods 0.000 description 5
- 239000003599 detergent Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
- A47L15/23—Rotary spraying devices moved by means of the sprays
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/428—Rotary nozzles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/24—Spray arms status, e.g. detection of spray arm rotation
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/26—Indication or alarm to the controlling device or to the user
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/02—Pressurised cleaning liquid delivered by a pump
Abstract
The invention discloses a kind of detection method of gushing arm revolving speed and the structures of detection gushing arm revolving speed, the detection method of gushing arm revolving speed be at least one is set in dish-washing machine can be with the signal trigger element and the signal transmitting element that is electrically connected to the control system that gushing arm rotates, gushing arm drives the every signal that signal transmitting element will be made to send signal to control system by a signal transmitting element or send signal transmitting element to control system of signal trigger element to change, control system spreads out of the number of frequency or signal intensity frequency monitoring signal trigger element enabling signal transmitting element by the signal of signal transmitting element, and then detect the speed of gushing arm rotation；Compared with prior art, gushing arm of the invention can drive signal trigger element to rotate around gushing arm seat and issue signal to signal transmitting element when every time by signal transmitting element, and control system spreads out of the revolving speed that frequency judges gushing arm by detection signal transmitting element signal.
Description
Technical field
The present invention relates to dish-washing machine technical fields more particularly to a kind of gushing arm to turn the detection method read and detection gushing arm revolving speed
Structure.
Background technique
The dish-washing machine of dish-washing machine industry several types at present, either cabinet type machine, desktop computer, embedded dish washer are either
MINI table dish-washer and water tank type dish-washing machine all in a manner of spray based on, tableware is washed away clean.General embodiment party
Formula are as follows: washing pump is supplied water by pipeline to gushing arm, and many apertures are opened on gushing arm, and water sprays from gushing arm hole and washes away tableware, while by
There are many certain tilt angle in hole for water spraying on gushing arm, gushing arm itself can be driven to rotate while spraying water, thus
Reach and spray water while rotating, making entirely to wash the bowl inside machine can wash.But gushing arm during rotary water jet
Revolving speed has a significant impact to the injection of water flow, and directly affects washing effect；Since the working environment of gushing arm limits, when work, sprays
Arm is easy to be blocked by tablewares such as chopsticks, table forks, does not rotate；Or some hole for water spraying on gushing arm is blocked by swill, is caused
Keep gushing arm rotation slow；Above situation all can cause dishwashing detergent unclean.
Summary of the invention
The purpose of this invention is to solve the problems associated with the prior art, provides a kind of detection method and inspection that gushing arm turn is read
Survey the structure of gushing arm revolving speed.
To achieve the above object, the technical scheme adopted by the invention is as follows a kind of detection method of gushing arm revolving speed, the spray
The detection method of arm revolving speed is that at least one is arranged in dish-washing machine to be with the signal trigger element that gushing arm rotates and with control
The signal transmitting element of system electrical connection, gushing arm drive signal trigger element is every signal will be made to pass by a signal transmitting element
It passs the signal that element sends signal to control system or sends signal transmitting element to control system to change, control system
Frequency or signal intensity frequency monitoring signal trigger element enabling signal transmitting element are spread out of by the signal of signal transmitting element
Number, and then detect gushing arm rotation speed.
As an improvement of the present invention, the signal trigger element can incude enabling signal transmitting member by magnetic control
Part, signal transmitting element are activated and send signal to control system, and control system passes through the on-off frequency of signal transmitting element
To detect the revolving speed of gushing arm.
As an improvement of the present invention, the signal trigger element can change signal transmitting member by optoelectronic induction
The signal that part is transmitted to control system, control system detect turning for gushing arm by carrying out the frequency of signal transmitting element signal intensity
Speed.
The structure of a kind of structure detecting gushing arm revolving speed, the detection gushing arm revolving speed includes pedestal, gushing arm and gushing arm revolving speed
Detection device, the pedestal are equipped with gushing arm seat, and the gushing arm rotates on the gushing arm seat, the gushing arm speed detector
Including the signal transmitting element being electrically connected with the machine control system that washes the dishes and at least one be used for enabling signal transmitting element signal
Trigger element, the signal trigger element are set on gushing arm, and the signal transmitting element is set on pedestal, and the gushing arm can drive
Signal trigger element is rotated around gushing arm seat and the trigger signal transmitting element when passing through signal transmitting element every time, transmits signal
Element, which is made, reacts and passes to accordingly control system, the signal outflow that the control system passes through detection signal transmitting element
Frequency or signal intensity frequency monitoring gushing arm revolving speed, and then judge whether gushing arm normally rotates.
As an improvement of the present invention, the signal trigger element is the magnet for being encapsulated in gushing arm bottom sheet, the signal
Transmitting element is the magnetic reed switch below pedestal.
As an improvement of the present invention, the signal trigger element is the magnet for being encapsulated in gushing arm bottom sheet, the signal
Transmitting element is the Hall element below pedestal.
As an improvement of the present invention, the signal trigger element is the convex ribs extended downwardly by gushing arm bottom sheet,
The signal transmitting element is the photoelectric sensor circuit on pedestal, and the pedestal is equipped with the light transmission that section is " recessed " type
Cover, the photoelectric sensor circuit plate be set to translucent cover in and be electrically connected to the control system, the transmitting terminal of photoelectric sensor circuit plate and
Receiving end is divided into two of translucent cover into the cavity of protrusion above pedestal, and the gushing arm is rotated around gushing arm seat and passed through every time
Pass through convex ribs from the groove in translucent cover and blocks the photosignal of photoelectrical coupler.
As an improvement of the present invention, the signal trigger element is the reflecting piece set on gushing arm bottom sheet, the signal
Transmitting element is the photoelectric sensor switch below pedestal, and place corresponding with photoelectrical coupler is equipped with light transmission on the pedestal
The optoelectronic induction transmitting terminal of photoelectric sensor switch and optoelectronic induction receiving end are located at interior by cover, the translucent cover.
As an improvement of the present invention, the quantity of the signal trigger element is two, two signal trigger elements pair
What is claimed is set to gushing arm bottom sheet two sides.
As an improvement of the present invention, the quantity of the signal trigger element be one, the signal trigger element away from
It is greater than the 1/4 of gushing arm total length with a distance from the side spray arm tip of place.
Compared with prior art, a kind of structure of detection gushing arm revolving speed of the invention has the advantage that
1, the detection method of a kind of gushing arm revolving speed of the invention, when gushing arm normal rotation, signal trigger element is every to pass through one
Secondary signal transmitting element, all can trigger signal transmitting element, so that signal transmitting element is issued signal to control system or is made signal
The signal of transmitting element script stable delivery changes, and control system can both issue the frequency of signal by signal transmitting element
Rate determines the revolving speed of gushing arm, and the revolving speed of gushing arm can also be determined by the frequency of signal transmitting element signal intensity；Gushing arm is normal
System detection obtained revolving speed is controlled when rotation and is essentially a fixed value, and when gushing arm revolving speed changes, control system can be with
Detection in time, and determine amplitude of variation, when gushing arm revolving speed is lower than setting range, control system can issue abnormity early warning, just
The operating condition of dish-washing machine is checked in time in user, avoids dishwashing detergent unclean.
2, the structure of a kind of detection gushing arm revolving speed of the invention, can be with the above method to the revolving speed of the gushing arm of dish-washing machine
It is detected, and then judges whether gushing arm rotation is normal；Gushing arm speed detector includes being electrically connected with the machine control system that washes the dishes
Signal transmitting element and at least one be used for the signal trigger element of enabling signal transmitting element, the signal trigger element sets
In on gushing arm, the signal transmitting element is set on pedestal, and the gushing arm can drive signal trigger element to rotate simultaneously around gushing arm seat
The trigger signal transmitting element when passing through signal transmitting element every time, control system pass through detection signal transmitting element signal outflow
Frequency judges the revolving speed of gushing arm, when gushing arm be blocked do not rotate or the hole for water spraying of gushing arm by swill to block rotation abnormal
When, control system does not receive or receives exception information, can issue the user with abnormal signal alarm, avoid dish-washing machine
It is unclean to dishwashing detergent.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for detecting gushing arm revolving speed of the present invention；
Fig. 2 is the cross-sectional view of Figure 1A-A；
Fig. 3 is the structure of gushing arm speed detector and the partial enlarged view of positional relationship in Fig. 2；
Fig. 4 is cross-sectional view when first, second kind of embodiment of the invention has a signal trigger element；
Fig. 5 is the cross-sectional view of the third embodiment of the invention；
Fig. 6 is the structure of gushing arm speed detector and the partial enlarged view of positional relationship in Fig. 5；
Fig. 7 is that there are two cross-sectional views when signal trigger element for the third embodiment of the invention；
Fig. 8 is the cross-sectional view of the 4th kind of embodiment of the invention；
Fig. 9 is the structure of gushing arm speed detector and the partial enlarged view of positional relationship in Fig. 8；
Figure 10 is that there are two cross-sectional views when signal trigger element for the 4th kind of embodiment of the present invention；
In figure: 1. pedestals, 11. gushing arm seats, 2. gushing arms, 21. gushing arms upper piece, 22. gushing arm bottom sheet, 3. gushing arm Rotating speed measrings dress
It sets, 31. signal transmitting elements, 32. signal trigger elements, 4. reflectors
The embodiments will be further described with reference to the accompanying drawings for the realization of function of the present invention and advantage.
Specific embodiment
The invention will be further described with preferred embodiment with reference to the accompanying drawing.
A kind of detection method of gushing arm revolving speed, the detection method of the gushing arm revolving speed are that at least one is arranged in dish-washing machine
Signal can be driven with the signal trigger element 32 that gushing arm 2 rotates and the signal transmitting element 31 being electrically connected to the control system, gushing arm 2
Trigger element 32 is every will to make signal transmitting element 31 send signal to control system or make by a signal transmitting element 31
Signal transmitting element 31 changes to the signal that control system is sent, and control system is passed by the signal of signal transmitting element 31
The number of 31 enabling signal transmitting element 32 of frequency or signal intensity frequency monitoring signal trigger element out, and then detect gushing arm
The speed of 2 rotations.
The signal trigger element 32 can incude enabling signal transmitting element 31,31 quilt of signal transmitting element by magnetic control
Start and send signal to control system, control system detects turning for gushing arm 2 by the on-off frequency of signal transmitting element 31
Speed.
As an improvement of the present invention, the signal trigger element 32 can change signal transmitting by optoelectronic induction
Signal that element 31 is transmitted to control system, control system are detected by carrying out the frequency of the signal intensity of signal transmitting element 31
The revolving speed of gushing arm 2.
As shown in Figure 1 and Figure 2, a kind of structure detecting gushing arm revolving speed, the monitor speed structure of the spraying arm of dish washer include
Pedestal 1, gushing arm 2 and gushing arm speed detector 3, the pedestal 1 are equipped with gushing arm seat 11, and the gushing arm 2 rotates in the spray
On arm seat 11, the gushing arm speed detector 3 includes the magnetic reed switch 31 being electrically connected with the machine control system that washes the dishes and at least one
It is a that for starting the magnet 32 of magnetic reed switch 31, the magnet 32 is set on gushing arm 2, and the magnetic reed switch 31 is set on pedestal 1,
The gushing arm 2 can with moving magnet 32 around gushing arm seat 11 rotate and every time pass through magnetic reed switch 31 when starting magnetic reed switch 31 and
Magnetic reed switch 31 is closed when leaving, the control system passes through 2 revolving speed of on-off frequency monitoring gushing arm of detection magnetic reed switch 31, into
And judge whether gushing arm 2 normally rotates.
Preferably, gushing arm 2 includes gushing arm upper piece 21 and gushing arm bottom sheet 22, and the magnet 32 is set to gushing arm bottom sheet 22, described
Magnetic reed switch 31 is located at the lower section of pedestal 1, when gushing arm 2 turns to 31 place side of magnetic reed switch with moving magnet 32, magnet 32 with
Magnetic reed switch 31 is located on the same straight line perpendicular to pedestal 1；Influence in order to avoid bowl basket and irony tableware to magnet 32, magnetic
The magnetic field force of iron 32 wants small to can just trigger magnetic reed switch 31；Magnetic reed switch 31 and magnet 32 are located at perpendicular to pedestal 1
Magnetic reed switch 31 can be made sensitiveer to the reaction of magnet 32 on same straight line.
As shown in Figure 2 and Figure 3, the quantity of the magnet 32 can be two, and two magnet 32 are symmetrically set to gushing arm bottom sheet
22 two sides, when one of magnet 32 is blocked by swill, another magnet 32 still can be with when passing through magnetic reed switch 31
Start magnetic reed switch 31；Control system detects the on-off frequency-flat of magnetic reed switch 31 and is reduced to original half at this time,
Control system, which is approved, determines that gushing arm 2 is in normal rotation state.
As shown in figure 4, the quantity of the magnet 32 can also be one, the magnet 32 is apart from 2 tip of place side spray arm
Distance is greater than the 1/4 of 2 total length of gushing arm；Magnet 32 is located at the middle part of place side, torque can be made to become smaller, the rotation to gushing arm 2
Influence reduce, keep testing result more acurrate.
As second of embodiment of the invention, as shown in Figure 1 and Figure 2, the structure of the detection gushing arm revolving speed includes pedestal
1, gushing arm 2 and gushing arm speed detector 3, the pedestal 1 are equipped with gushing arm seat 11, and the gushing arm 2 rotates in the gushing arm seat
On 11, the gushing arm speed detector 3 includes the Hall element 31 being electrically connected with the machine control system that washes the dishes and at least one use
In the magnet 32 of starting magnetic reed switch 31, the magnet 32 is set on gushing arm 2, and the Hall element 31 is set on pedestal 1, described
Gushing arm 2 can be rotated with moving magnet 32 around gushing arm seat 11 and triggering Hall element 31 keeps Hall first when passing through Hall element 31 every time
Part 31 issues a signal, the frequency monitoring that the control system is issued by the signal of detection Hall element 31 to control system
2 revolving speed of gushing arm, and then judge whether gushing arm 2 normally rotates.
Preferably, gushing arm 2 includes gushing arm upper piece 21 and gushing arm bottom sheet 22, and the magnet 32 is set to gushing arm bottom sheet 22, described
Hall element 31 is located at the lower section of pedestal 1, when gushing arm 2 turns to 31 place side of Hall element with moving magnet 32, magnet 32 with
Hall element 31 is located on the same straight line perpendicular to pedestal 1；Hall element 31 and magnet 32 are located at perpendicular to the same of pedestal 1
Hall element 31 can be made sensitiveer to the reaction of magnet 32 on straight line.
As shown in Figure 2 and Figure 3, the quantity of the magnet 32 can be two, and two magnet 32 are symmetrically set to gushing arm bottom sheet
22 two sides, when one of magnet 32 is blocked by swill, another magnet 32 still can be with when passing through Hall element 31
Trigger Hall element 31；Control system detects the frequency-flat of 31 signal of Hall element sending and is reduced to original one at this time
Half, control system, which is approved, determines that gushing arm 2 is in normal rotation state.
As shown in figure 4, the quantity of the magnet 32 can also be one, the magnet 32 is apart from 2 tip of place side spray arm
Distance is greater than the 1/4 of 2 total length of gushing arm；Magnet 32 is located at the middle part of place side, torque can be made to become smaller, the rotation to gushing arm 2
Influence reduce, keep testing result more acurrate.
As the third embodiment of the invention, as shown in Figure 1, shown in Figure 5, the structure of the detection gushing arm revolving speed includes pedestal
1, gushing arm 2 and gushing arm speed detector 3, the pedestal 1 are equipped with gushing arm seat 11, and the gushing arm 2 rotates in the gushing arm seat
On 11；The gushing arm speed detector 3 is the photoelectric sensor circuit plate 31 being electrically connected with the machine control system that washes the dishes and can be with spray
The baffle 32 for being used to block 31 photosignal of optoelectronic induction circuit board that arm 2 rotates, 31 one end of photoelectric sensor circuit plate transmitting letter
Number, the other end receives signal, and when gushing arm 2 rotates and passes through photoelectric sensor circuit plate 31, baffle 32 can be kept off in optoelectronic induction
Between the signal transmitting terminal and signal receiving end of circuit board 31, baffle 32 blocks the signal of the sending of photoelectric sensor circuit plate 31, light
Electric induction circuit board 31 receives a signal, and signal is fed back to control system, control system energy by photoelectric sensor circuit plate 31
Enough revolving speeds for receiving signal in real time and understand gushing arm 2.
Preferably, as shown in fig. 6, gushing arm 2 includes gushing arm upper piece 21 and gushing arm bottom sheet 22, the baffle 32 is by under gushing arm
The convex ribs that piece 22 extends downwardly, the photoelectric sensor circuit plate 31 are set on pedestal 1, and the pedestal 1 is equipped with section
The translucent cover 4 of " recessed " type, the photoelectric sensor circuit plate 31 are set in translucent cover 4 and are electrically connected to the control system, optoelectronic induction
The transmitting terminal of circuit board 31 and receiving end are divided into two of translucent cover 4 into the cavity of 1 top protrusion of pedestal, the gushing arm 2
It is rotated around gushing arm seat 11 and passes through convex ribs from the groove in translucent cover 4 when passing through translucent cover 4 every time and hide photosignal
Gear.
As shown in fig. 7, the quantity of the convex ribs can be two, two convex ribs are symmetrically set to 22 two sides of gushing arm bottom sheet,
Balance is kept when gushing arm 2 can be made to rotate, and will not influence the revolving speed of gushing arm 2；Control system detects photoelectric sensor circuit at this time
31 signal of plate is twice of 2 revolving speed of gushing arm.
As shown in figure 5, the quantity of the convex ribs can also be one, when convex ribs only have one, the convex ribs are apart from place
The distance at 2 tip of side spray arm is greater than the 1/4 of 2 total length of gushing arm；Convex ribs are located at the middle part of place side, torque can be made to become smaller, right
The influence of the rotation of gushing arm 2 reduces, and keeps testing result more acurrate.
As the 4th kind of embodiment of the invention, as shown in Fig. 1, Fig. 8, the structure of the detection gushing arm revolving speed includes pedestal
1, gushing arm 2 and gushing arm speed detector 3, the pedestal 1 are equipped with gushing arm seat 11, and the gushing arm 2 rotates in the gushing arm seat
On 11, the gushing arm speed detector 3 includes the photoelectric sensor switch 31 being electrically connected with the machine control system that washes the dishes and at least one
A reflecting piece 32 for being used to start photoelectric sensor switch, the reflecting piece 32 are set on gushing arm 2, and the photoelectric sensor switch 31 is set
In on pedestal 1, the gushing arm 2 can drive reflecting piece 32 to rotate around gushing arm seat 11 and when every time by photoelectric sensor switch 31,
Reflecting piece 32 reflects photosignal, and photoelectric sensor switch 31 is activated, and signal is fed back to control system, and control system can
It receives signal in real time and understands the revolving speed of gushing arm 2, and judge whether gushing arm 2 is working properly.
As shown in figure 9, the gushing arm 2 includes gushing arm upper piece 21 and gushing arm bottom sheet 22, the reflecting piece 32 is set under gushing arm
Piece 22, the photoelectric sensor switch 31 are located at the lower section of pedestal 1, place corresponding with photoelectric sensor switch 31 on the pedestal 1
Equipped with translucent cover 4, the optoelectronic induction transmitting terminal of photoelectric sensor switch 31 and optoelectronic induction receiving end are located at by the translucent cover 4
It is interior；Gushing arm 2 drive reflecting piece 32 turn to 31 place side of photoelectric sensor switch when, reflecting piece 32 with photoelectric sensor switch 31
In on the same straight line perpendicular to pedestal 1；Photoelectric sensor switch 31 and reflecting piece 32 are located at the same straight line perpendicular to pedestal 1
On photoelectric sensor switch 31 can be made sensitiveer to the reaction of reflecting piece 32.
As shown in Figure 10, the quantity of the reflecting piece 32 can be two, and two reflecting pieces 32 are symmetrically set under gushing arm
22 two sides of piece, when one of reflecting piece 32 is blocked by swill, another reflecting piece 32 passes through photoelectric sensor switch 31
When still can trigger photoelectric sensor switch；Control system detects the frequency-flat that 31 signal of photoelectric sensor switch issues at this time
And it is reduced to original half, control system, which is approved, determines that gushing arm 2 is in normal rotation state.
As shown in figure 8, the quantity of the reflecting piece 32 can also be one, the reflecting piece 32 is apart from 2 point of place side spray arm
The distance at end is greater than the 1/4 of 2 total length of gushing arm；Reflecting piece 325 is located at the middle part of place side, torque can be made to become smaller, to gushing arm 2
Rotation influence reduce, keep testing result more acurrate.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of detection method of gushing arm revolving speed, it is characterised in that: the detection method of gushing arm revolving speed be arranged in dish-washing machine to
Few one can drive signal with the signal trigger element that gushing arm rotates and the signal transmitting element being electrically connected to the control system, gushing arm
Trigger element is every will to be made signal transmitting element send signal to control system or pass signal by a signal transmitting element
It passs element to change to the signal that control system is sent, control system spreads out of frequency or letter by the signal of signal transmitting element
The number of number change frequency monitoring signal trigger element enabling signal transmitting element, and then detect the speed of gushing arm rotation.
2. according to the detection method of gushing arm revolving speed described in claim 1, it is characterised in that: the signal trigger element can pass through
Magnetic control incudes enabling signal transmitting element, and signal transmitting element is activated and sends signal to control system, and control system passes through
The on-off frequency of signal transmitting element detects the revolving speed of gushing arm.
3. according to the detection method of gushing arm revolving speed described in claim 1, it is characterised in that: the signal trigger element can pass through
Optoelectronic induction changes the signal that signal transmitting element is transmitted to control system, and control system is by carrying out signal transmitting element signal
The frequency of variation detects the revolving speed of gushing arm.
4. it is a kind of detect gushing arm revolving speed structure, it is characterised in that: it is described detection gushing arm revolving speed structure include pedestal, gushing arm and
Gushing arm speed detector, the pedestal are equipped with gushing arm seat, and the gushing arm rotates on the gushing arm seat, the gushing arm revolving speed
Detection device includes the signal transmitting element being electrically connected with the machine control system that washes the dishes and at least one is first for enabling signal transmitting
The signal trigger element of part, the signal trigger element are set on gushing arm, and the signal transmitting element is set on pedestal, the spray
Arm can drive signal trigger element around the rotation of gushing arm seat and trigger signal transmitting element when every time by signal transmitting element, make
Signal transmitting element, which is made, reacts and passes to accordingly control system, and the control system passes through detection signal transmitting element
Signal spreads out of frequency or signal intensity frequency monitoring gushing arm revolving speed, and then judges whether gushing arm normally rotates.
5. according to the structure for detecting gushing arm revolving speed described in claim 4, it is characterised in that: the signal trigger element is to be encapsulated in
The magnet of gushing arm bottom sheet, the signal transmitting element are the magnetic reed switch below pedestal.
6. according to the structure for detecting gushing arm revolving speed described in claim 4, it is characterised in that: the signal trigger element is to be encapsulated in
The magnet of gushing arm bottom sheet, the signal transmitting element are the Hall element below pedestal.
7. according to the structure for detecting gushing arm revolving speed described in claim 4, it is characterised in that: the signal trigger element is by gushing arm
The convex ribs that bottom sheet extends downwardly, the signal transmitting element are photoelectric sensor circuit on pedestal, on the pedestal
It is the translucent cover of " recessed " type equipped with section, the photoelectric sensor circuit plate is set in translucent cover and is electrically connected to the control system, light
The transmitting terminal of electric induction circuit board and receiving end are divided into two of translucent cover into the cavity of protrusion above pedestal, the gushing arm
Rotated around gushing arm seat and make when passing through translucent cover every time convex ribs from the groove in translucent cover by and by the light of photoelectrical coupler
Electric signal blocks.
8. according to the structure for detecting gushing arm revolving speed described in claim 4, it is characterised in that: the signal trigger element is set on spray
The reflecting piece of arm bottom sheet, the signal transmitting element are photoelectric sensor switch below pedestal, on the pedestal with photoelectricity
The corresponding place of coupler is equipped with translucent cover, and the translucent cover is by the optoelectronic induction transmitting terminal and optoelectronic induction of photoelectric sensor switch
In receiving end is located at.
9. according to the structure of any one of claim 4 to the 8 detection gushing arm revolving speed, it is characterised in that: the signal triggering member
The quantity of part is two, and two signal trigger elements are symmetrically set to gushing arm bottom sheet two sides.
10. according to the structure of any one of claim 4 to the 8 detection gushing arm revolving speed, it is characterised in that: the signal triggering member
The quantity of part is one, and distance of the signal trigger element apart from place side spray arm tip is greater than the 1/4 of gushing arm total length.
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| CN201811012035.1A CN109091093A (en) | 2018-08-31 | 2018-08-31 | A kind of detection method of gushing arm revolving speed and the structure for detecting gushing arm revolving speed |
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| CN201811012035.1A CN109091093A (en) | 2018-08-31 | 2018-08-31 | A kind of detection method of gushing arm revolving speed and the structure for detecting gushing arm revolving speed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143140A (en) * | 2020-01-07 | 2021-07-23 | 宁波方太厨具有限公司 | Control method of dish washing machine |
| CN113679319A (en) * | 2021-08-19 | 2021-11-23 | 华帝股份有限公司 | Spraying cleaning device and control method thereof |
-
2018
- 2018-08-31 CN CN201811012035.1A patent/CN109091093A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143140A (en) * | 2020-01-07 | 2021-07-23 | 宁波方太厨具有限公司 | Control method of dish washing machine |
| CN113679319A (en) * | 2021-08-19 | 2021-11-23 | 华帝股份有限公司 | Spraying cleaning device and control method thereof |
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