Sound box dust screen cleaning device combining inertial dust removal and airflow washing liquid dust removal
Technical Field
The invention relates to the technical field of sound box cleaning equipment, in particular to a sound box dust screen cleaning device combining inertial dust removal and airflow washing liquid dust removal.
Background
The audio amplifier becomes the equipment of sound as audio signal transform, be the indispensable partly in music place, our life has been merged into completely now, the audio amplifier is after long-time the use, easily bond more dust on its speaker dust screen, easily receive the tide if long-time not clear up, the ageing of unit with higher speed, influence the tone quality of audio amplifier, the dust screen of audio amplifier can not dismantle cleanly a bit, can only artifical handheld brush go on brushing off, the dust easily flies to raise and influences the environment on every side, the dust also easily falls to the speaker on simultaneously, influence its life.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a sound box dust screen cleaning device combining inertial dust removal and airflow washing liquid dust removal, and solves the problem that dust of a sound box dust screen is difficult to clean.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an inertia removes dust and audio amplifier dust screen cleaning device that air flow lotion dust exhaust combined together, is including supporting fixed housing, the lateral wall of supporting fixed housing bonds and has the interior hollow solid section of thick bamboo of gripping, the lateral wall of the interior hollow solid section of thick bamboo of gripping bonds and has the lateral part handle, the inner wall top that supports fixed housing bonds and has the dustproof protective housing that insulates against dust, the inside of dustproof protective housing that insulates against dust bonds from last to one side down has battery and driving motor, the top that supports fixed housing is installed and is floated dirt clearance elimination mechanism.
The mechanism is got rid of in floating dust clearance treats row's housing including bonding in the collection dirt that supports fixed housing top, the opening has been seted up at the top that row's housing was treated to collection dirt, and opening department inserts and treats row housing threaded connection's the dirt filtering cover with collection dirt, the top of supporting fixed housing and be located the collection dirt and treat that the lateral part of arranging the housing bonds and have the water storage box, the water filling port has been seted up at the top of water storage box, and has inserted the water shutoff stopper in the water filling port, the internally mounted of water storage box has miniature pump, and miniature pump passes through wire and battery electric connection, miniature pump's delivery port and water delivery pipe's one end intercommunication, the other end of water delivery pipe extends to the bottom and the fog nozzle intercommunication of supporting fixed housing along the lateral wall that supports.
The side wall of the gripping hollow solid cylinder is bonded with one side of the water scraping block, the other side of the water scraping block extends in an arc shape to be close to the side wall of the supporting fixed housing, one side of the water scraping block is lower than the bottom of the supporting fixed housing, a water leakage opening communicated with the inside of the gripping hollow solid cylinder is formed in the bottom of the inner wall of the water scraping block, a water outlet is formed in the bottom of the gripping hollow solid cylinder, and a blocking plug is inserted into the water outlet.
Preferably, the spray nozzle is adhered to the side wall of the supporting and fixing housing and faces to the axis of the supporting and fixing housing, and the direction of the spray nozzle is parallel to the bottom of the supporting and fixing housing.
Preferably, the spray nozzle is embedded into the bottom of the supporting and fixing cover shell, a notch matched with the spray nozzle is formed in the bottom of the supporting and fixing cover shell, the bottom of the spray nozzle is higher than the bottom of the cleaning soft brush, and a water guide plate is bonded to the bottom of the spray nozzle.
Preferably, the water scraping block is funnel-shaped, and one side of the water scraping block, which is close to the gripping hollow fixed cylinder, is concaved inwards to form an arc shape matched with the gripping hollow fixed cylinder.
Preferably, driving motor's output shaft runs through the inner wall bottom of preventing the ash and insulating wet protecting crust and extends to the bottom of preventing the ash and insulating wet protecting crust and the top welding of the drive rotation band rod of reverse erasing mechanism, the bottom of drive rotation band rod and the top welding of center cisoid drive block, the lateral wall welding of drive rotation band rod has rotatory cradling piece, the lateral wall of rotatory cradling piece bonds and has the air current flabellum, the top swing joint of connecting bearing and overcoat drive gear is passed through to the bottom of rotatory cradling piece, overcoat drive gear's lateral wall is provided with the indent gullet ring rather than the meshing, indent gullet ring bonds in the inner wall that supports fixed housing, overcoat drive gear's bottom bonds and has the lateral part transmission block, the bottom of lateral part transmission block and center cisoid drive block all bonds and has clean pappus brush.
Preferably, the inner wall of the inner concave tooth groove ring is provided with a sliding groove matched with the outer sleeve transmission gear, and the inner wall of the sliding groove is provided with a tooth groove matched with the outer sleeve transmission gear.
Preferably, the lateral wall of the lateral transmission block is provided with an ash ejecting mechanism, the ash ejecting mechanism comprises a rotary sliding rod bonded to the lateral wall of the lateral transmission block, one side of the rotary sliding rod, which is far away from the lateral transmission block, is inserted into the concave sliding ring, and the concave sliding ring is bonded to the inner wall of the supporting and fixing housing and is located below the concave tooth groove ring.
Preferably, the bottom of the concave slip ring is inserted with a turnover linkage rod, the side wall of the turnover linkage rod is bonded with a rod-shaped bulge, the bulge is inserted into the socket side wall formed by the side wall of the concave slip ring and is connected with the socket side wall in a rotating mode, the bottom of the turnover linkage rod is bonded with a smooth impact ball, and one side of the turnover linkage rod is bonded with the bottom of the inner wall of the concave slip ring through a jacking spring.
Preferably, the number of the turnover linkage rods is ten, and the ten turnover linkage rods are arranged at equal intervals.
(III) advantageous effects
The invention provides a sound box dust screen cleaning device combining inertial dust removal and airflow washing liquid dust removal. The method has the following beneficial effects:
1. according to the sound box dust screen cleaning device combining inertial dust removal and airflow washing liquid dust removal, water is conveyed to the spray nozzles from the water conveying pipe by the miniature water pump and sprayed to the cleaning soft hairbrush, so that the dust which is difficult to clean is conveniently soaked and cleaned, the cleaning quality of the sound box dust screen is effectively improved, the direction of the spray nozzles is parallel to the bottom of the supporting and fixing housing, negative effects on the sound box due to the fact that water mist is sprayed to the inside of the sound box are effectively avoided, the arranged water guide plate shields the water mist of the spray nozzles which are close to the sound box dust screen in an inclined mode, and the water mist is further prevented from being sprayed to the inside of the sound box.
2. According to the sound box dust screen cleaning device combining inertial dust removal and airflow washing liquid dust removal, the water dropping from the sound box dust screen can be received by the water scraping block, so that water drops are prevented from dropping inside the sound box to cause damage or dropping on the ground to affect cleanness, and one side of the water scraping plate, which is far away from the holding hollow solid cylinder, is smooth and thin, so that the water drops can be received.
3. According to the sound box dust screen cleaning device combining inertial dust removal and air flow washing liquid dust removal, the side wall of the gripping hollow solid cylinder is provided with the water leakage port communicated with the water scraping block, so that received sewage can be collected conveniently, meanwhile, the bottom of the gripping hollow solid cylinder is provided with the water drainage port, the bottom of the gripping hollow solid cylinder can be opened by removing a sealing plug, the collected sewage can be removed conveniently, and the device is convenient to use.
4. According to the sound box dust screen cleaning device combining inertial dust removal and airflow washing liquid dust removal, the driving tape rotating rod drives the airflow fan blades to rotate through the rotating support rod, dust generated during dust screen cleaning is guided into the dust collection housing to be discharged, the influence of dust flying to the periphery on cleaning is avoided during cleaning, the dust is sucked into the supporting and fixing housing by suction force generated during dust brushing, and the dust is prevented from entering the interior of a sound box during cleaning.
5. According to the sound box dust screen cleaning device combining inertial dust removal and airflow washing liquid dust removal, the driving motor drives the driving rotary belt rod to rotate, the central forward driving block rotates, the side driving block moves circularly around the central rotary block, the outer sleeve transmission gear on the top of the side driving block is in contact with the inner concave tooth groove ring to enable the side driving block to rotate, the rotating direction is opposite to that of the central rotary block, a plurality of cleaning soft brushes supporting and fixing the bottom of the housing are enabled to have two different rotating modes, comprehensive cleaning of the dust screen is facilitated, and the phenomenon that the cleaning soft brushes are not in contact comprehensively due to unidirectional rotation to influence on cleaning efficiency is avoided.
6. According to the sound box dust screen cleaning device combining inertial dust removal and airflow washing liquid dust removal, when the driving motor drives the side transmission block to rotate, one end of the rotary sliding rod bonded to the side wall of the side transmission block extends into the concave sliding ring to slide, the rotary sliding rod inclines to one side of the jacking spring, the turnover linkage rod jacks up under the elastic action of the jacking spring after sliding, the smooth impact ball at the end of the rotary sliding rod is driven to impact the sound box dust screen, the dust screen is instantly deformed under the action of the smooth impact ball, dust is separated from the dust screen under the influence of inertia, and the dust removal efficiency of the sound box dust screen is effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the connection of the turnover linkage rod and the female slip ring according to the present invention.
In the figure: the device comprises a supporting and fixing cover casing, a gripping hollow solid cylinder, a side handle, a dust-proof and moisture-proof protective casing, a reverse erasing mechanism, a 501 driving rotary belt rod, a 502 central forward driving block, a 503 rotating support rod, a 504 outer sleeve transmission gear, a 505 side driving block, a 506 cleaning soft brush, a 507 inward concave tooth groove ring, a 6 floating dust cleaning and removing mechanism, a 601 airflow fan blade, a 602 dust collection and discharging cover casing, a 603 dust filtering cover casing, a 604 water storage tank, a 605 water delivery pipe, a 606 spray nozzle, a 607 water guide plate, a 608 water scraping block, a 7 ash ejecting mechanism, a 701 rotary sliding rod, a 702 inward concave rotation linkage rod, a 703 overturning linkage rod, a slip ring 704 smooth impact ball and a 705 jacking spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a sound box dust screen cleaning device combining inertial dust removal and air flow washing liquid dust removal, which comprises a supporting and fixing housing 1, wherein a grasping inner solid cylinder 2 is bonded on the side wall of the supporting and fixing housing 1, a side handle 3 is bonded on the side wall of the grasping inner solid cylinder 2, an ash-proof and moisture-proof protective shell 4 is bonded on the top of the inner wall of the supporting and fixing housing 1, a storage battery and a driving motor are bonded on one side of the interior of the ash-proof and moisture-proof protective shell 4 from top to bottom, the storage battery is electrically connected with the driving motor through a lead, the driving motor is electrically connected with an external control panel through a lead, the ash-proof and moisture-proof protective shell 4 prevents dust from entering the interior of the driving motor to influence the operation of the driving motor, and a floating dust cleaning and removing mechanism 6 is mounted on the top of.
The floating dust cleaning and removing mechanism 6 comprises a dust collecting to-be-discharged housing 602 adhered to the top of the supporting and fixing housing 1, a dust discharging port communicated with the dust collecting to-be-discharged housing 602 is formed in the top of the supporting and fixing housing 1, a through hole is formed in the top of the dust collecting to-be-discharged housing 602, a dust filtering housing 603 in threaded connection with the dust collecting to-be-discharged housing 602 is inserted into the through hole, the dust filtering housing 603 is in threaded connection with the dust collecting to-be-discharged housing 602 so as to be convenient for opening and cleaning dust generated by the dust collecting to-be-discharged housing, a water storage tank 604 is arranged on the top of the supporting and fixing housing 1 and positioned on the side of the dust collecting to-be-discharged housing 602, a water filling port is formed in the top of the water storage tank 604, a water blocking plug is inserted into the water filling port, a micro water pump is installed inside the water storage tank 604 and electrically connected with a storage battery through a lead, the water outlet of the micro water pump is communicated, the spray nozzle 606 is adhered to the side wall of the supporting and fixing housing 1 and faces the axis of the supporting and fixing housing 1, the direction of the spray nozzle 606 is parallel to the bottom of the supporting and fixing housing 1, the spray nozzle 606 is embedded into the bottom of the supporting and fixing housing 1, the bottom of the supporting and fixing housing 1 is provided with a notch matched with the spray nozzle 606, the bottom of the spray nozzle 606 is higher than the bottom of the cleaning soft brush 506, the bottom of the spray nozzle 606 is adhered with a water guide plate 607, the miniature water pump conveys water to the spray nozzle 606 from the water conveying pipe 605 to spray the cleaning soft brush 506, so that the dust which is difficult to clean can be conveniently wiped by wetting the spray nozzle, the cleaning quality of the sound box dust screen is effectively improved, the direction of the spray nozzle 606 is parallel to the bottom of the supporting and fixing housing 1, negative influence on the sound box by spraying to the inside of the sound box is effectively avoided, the water guide plate 607 is arranged to shield the water mist of the spray nozzle 606, further water mist is prevented from being emitted to the inside of the sound box.
The side wall of the grasping hollow solid cylinder 2 is bonded with one side of the water scraping block 608, the water scraping block 608 is funnel-shaped, one side of the water scraping plate 608 far away from the grasping hollow solid cylinder 2 is flat and thin, one side of the water scraping block 608 close to the grasping hollow solid cylinder 2 is concave to be in an arc shape matched with the water scraping block, the other side of the water scraping block 608 extends in an arc shape and is close to the side wall of the supporting fixed housing 1, one side of the water scraping block 608 is lower than the bottom of the supporting fixed housing 1, the water scraping block 608 is arranged to support water dropping on a dustproof net of the sound box, damage caused by the water dropping in the sound box or cleaning caused by the water dropping on the ground is avoided, one side of the water scraping plate 608 far away from the grasping hollow solid cylinder 2 is flat and thin, the water dropping is beneficial to support the water dropping, a water leaking port communicated with the interior of the grasping hollow solid cylinder 2 is arranged at the bottom of the inner wall of the water scraping block 608, and the inside of outlet has inserted the shutoff stopper, offers the mouth that leaks with the intercommunication of water scraping piece 608 at the lateral wall of the interior solid section of thick bamboo 2 of gripping, is convenient for collect the sewage of accepting, has offered the outlet simultaneously at the bottom of the interior solid section of thick bamboo 2 of gripping, pulls out the shutoff and stops up and open its bottom, is convenient for get rid of the sewage of collecting, makes the device's use more convenient.
An output shaft of a driving motor penetrates through the bottom of the inner wall of the dust-proof and moisture-proof protective shell 4 and extends to the bottom of the dust-proof and moisture-proof protective shell 4 to be welded with the top of a driving rotary belt rod 501 of the reverse erasing mechanism 5, the bottom of the driving rotary belt rod 501 is welded with the top of a central forward driving block 502, the side wall of the driving rotary belt rod 501 is welded with a rotary support rod 503, airflow fan blades 601 are bonded on the side wall of the rotary support rod 503, the driving rotary belt rod 501 drives the airflow fan blades 601 to rotate through the rotary support rod 503, dust generated during cleaning of a dust screen is guided into a dust collection and discharge housing 602, the phenomenon that the dust flies up to affect the peripheral cleanness during the cleaning process is avoided, the dust is sucked towards the inside of the supporting and fixing housing 1 by suction force generated during brushing of the dust, the dust is prevented from entering the inside of the sound box during cleaning, the bottom of the rotary support rod 503 is movably connected with the, the side wall of the outer transmission gear 504 is provided with an inner concave tooth groove ring 507 engaged with the outer transmission gear 504, the inner wall of the inner concave tooth groove ring 507 is provided with a sliding groove matched with the outer transmission gear 504, the inner wall of the sliding groove is provided with a tooth groove matched with the outer transmission gear 504, the inner concave tooth groove ring 507 is adhered to the inner wall of the supporting and fixing housing 1, the bottom of the outer transmission gear 504 is adhered with a side transmission block 505, the bottom of the side transmission block 505 and the bottom of the central forward driving block 502 are both adhered with cleaning soft hair brushes 506, a driving motor drives the driving rotary rod 501 to rotate, the central forward driving block 502 rotates, the side transmission block 505 performs circular motion around the central rotary block 502, the outer transmission gear 504 at the top of the outer transmission gear is contacted with the inner concave tooth groove ring 507 to enable the outer rotary motion, the rotating direction is opposite to the rotating direction of the central rotary block 502, and a plurality of cleaning soft, the dust screen can be cleaned comprehensively, and the problem that the cleaning efficiency is influenced because the cleaning soft brush 506 is not contacted comprehensively due to unidirectional rotation is avoided.
The side wall of the side transmission block 505 is provided with a dust ejecting mechanism 7, the dust ejecting mechanism 7 comprises a rotary sliding rod 701 adhered to the side wall of the side transmission block 505, one side of the rotary sliding rod 701, which is far away from the side transmission block 505, is inserted into the inner part of an inwards concave sliding ring 702, the inwards concave sliding ring 702 is adhered to the inner wall of the supporting and fixing housing 1 and is positioned below an inwards concave tooth groove ring 507, the bottom of the inwards concave sliding ring 702 is inserted with an overturning linkage rod 703, the side wall of the overturning linkage rod 703 is adhered with a rod-shaped bulge, the bulge is inserted into a socket side wall formed on the side wall of the inwards concave sliding ring 702 and is connected with the socket side wall in a rotating way, the bottom of the overturning linkage rod 703 is adhered with a smooth impact ball 704, one side of the overturning linkage rod 703 is adhered to the bottom of the inner wall of the inwards concave sliding ring 702 through a jacking spring 705, the number of the overturning linkage rods is ten, the ten overturning linkage rods 703 are arranged at, the rotary sliding rod 703 inclines to one side of the jacking spring 705, the turnover linkage rod 703 jacks up under the elastic action of the jacking spring 705 after sliding, the smooth impact ball 704 at the end of the rotary sliding rod is driven to impact the sound box dust screen, the effect of ash ejection is achieved, the dust screen is deformed instantly under the action of the smooth impact ball 704, dust is influenced by inertia and is separated from the dust screen, and the ash removal efficiency of the sound box dust screen is effectively improved.
The embodiment is characterized in that the micro water pump conveys water to the spray nozzle 606 from the water conveying conduit 605 to spray to the cleaning soft brush 506, so that the cleaning soft brush is convenient to wet the cleaning soft brush to clean dust which is difficult to clean, the cleaning quality of the sound box dust screen is effectively improved, the direction of the spray nozzle 606 is parallel to the bottom of the supporting and fixing housing 1, negative influence on the sound box caused by spraying water mist to the interior of the sound box is effectively avoided, the arranged water guide plate 607 shields the water mist of the spray nozzle 606 which is inclined and close to the sound box dust screen, further water mist is prevented from spraying to the interior of the sound box, the water dropping on the sound box dust screen can be held by the water scraping block 608, the water dropping on the sound box dust screen is prevented from being damaged due to dropping on the interior of the sound box or dropping on the ground to influence cleanness, the side of the water scraping plate 608 far away from the holding hollow solid cylinder 2 is relatively thin, so that the water drops can be smoothly held, the water leaking port communicated with the water scraping block 608 is arranged on, the device is convenient for collecting received sewage, meanwhile, a water outlet is arranged at the bottom of the gripping hollow solid cylinder 2, the bottom can be opened by pulling out a sealing plug, the collected sewage can be conveniently discharged, the device is more convenient to use, the driving rotary belt rod 501 drives the airflow fan blade 601 to rotate through the rotary support rod 503, dust generated during cleaning of the dustproof net is guided into the dust collection to-be-discharged housing 602, the phenomenon that the dust flies to affect the peripheral cleanness during the cleaning process is avoided, the dust is sucked into the supporting and fixing housing 1 by the suction force generated during brushing the dust, the dust is prevented from entering the interior of the sound box during cleaning, the driving motor drives the driving rotary belt rod 501 to rotate, the central forward driving block 502 rotates, the lateral driving block 505 performs circular motion around the central rotary block 502, the outer sleeve transmission gear 504 at the top of the driving rotary belt is in contact with the concave tooth groove ring 507 to enable the rotary belt to rotate, and the rotating direction is opposite to the rotating direction of the central rotary block 502, the cleaning soft brushes 506 supporting the bottom of the fixed housing 1 have two different rotating modes, which is helpful for comprehensively cleaning a dustproof net, and can avoid the incomplete contact of the cleaning soft brushes 506 due to unidirectional rotation and influence the cleaning efficiency, when the driving motor drives the side driving block 505 to rotate, one end of a rotary sliding rod 701 bonded with the side wall of the side driving block 505 extends into the concave sliding ring 702 to slide inside, the rotary sliding rod 703 inclines towards one side of the jacking spring 705, the turnover linkage rod 703 jacks up under the elastic action of the jacking spring 705 after sliding, so that a smooth impact ball at the end of the linkage rod is driven to impact the dustproof net of the loudspeaker box, the effect of ash ejection is achieved, the dustproof net is deformed instantly under the action of the smooth impact ball 704, dust is influenced by inertia and separated from the dustproof net, and the dust removal efficiency of the dustproof net of the loudspeaker box is effectively improved.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In this embodiment, the whole device is that the side handle 3 is grasped to support the fixed housing 1 to be close to the speaker dust screen, the driving motor drives the driving rotary belt rod 501 to rotate, the central forward driving block 502 rotates, the side driving block 505 makes a circular motion around the central rotary block 502, the outer sleeve transmission gear 504 at the top of the side driving block contacts with the inner concave tooth groove ring 507 to make the side driving block rotate, and the rotating direction is opposite to the rotating direction of the central rotary block 502, so that the plurality of cleaning soft hair brushes 506 at the bottom of the fixed housing 1 have two different rotating modes, which is helpful to clean the dust screen completely, and avoid the cleaning soft hair brushes 506 from contacting incompletely because of unidirectional rotation and affecting the cleaning efficiency, when the driving motor drives the side driving block 505 to rotate, one end of the rotary sliding rod 701 bonded to the side wall of the side driving block 505 extends into the inner concave sliding ring 702 to slide, and the rotary sliding rod 703 inclines to one side of the jacking, after sliding, the turnover linkage rod 703 is jacked up under the elastic action of the jacking spring 705 to drive the smooth impact ball 704 at the end part to impact the sound box dust screen, so as to achieve the effect of ash ejection, the dust screen is instantaneously deformed under the action of the smooth impact ball 704, dust is influenced by inertia and is separated from the dust screen, the dust removal efficiency of the sound box dust screen is effectively improved, the rotary belt rod 501 is driven to drive the airflow fan blades 601 to rotate through the rotary support rod 503, dust generated during dust screen cleaning is guided to the interior of the dust-collecting housing-to-be-discharged 602, the dust is prevented from flying to affect the cleanness of the periphery during the cleaning process, the dust is sucked to the interior of the support fixed housing 1 by the suction force generated during dust brushing, the dust is prevented from entering the interior of the sound box during cleaning, the micro water pump conveys water from the water conveying pipe 605 to the spray nozzle 606 to the cleaning soft brush 506, and the cleaning soft brush 506 is convenient for cleaning the dust which is difficult to clean the dust, the cleaning quality of the sound box dust screen is effectively improved, the direction of the spray nozzle 606 is parallel to the bottom of the supporting and fixing cover shell 1, negative influence on the sound box caused by water mist spraying to the interior of the sound box is effectively avoided, the arranged water guide plate 607 shields the water mist of the spray nozzle 606 which inclines and is close to the sound box dust screen, further water mist is prevented from being shot to the interior of the sound box, the water dropping on the sound box dust screen can be received by the water scraping block 608, damage caused by the water dropping on the interior of the sound box or cleaning caused by the water dropping on the ground is avoided, the side of the water scraping plate 608 far away from the grasping hollow solid cylinder 2 is smooth and thin-walled, the water drops are favorably received, the side wall of the grasping hollow solid cylinder 2 is provided with a water leaking port communicated with the water scraping block 608, the received sewage is convenient to be collected, and the bottom of the grasping hollow solid cylinder 2 is provided with a water outlet, the bottom of the device can be opened by pulling out the seal plug, so that collected sewage can be conveniently discharged, and the device is more convenient to use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.