CN113236540B - Electronic water level detection device of air conditioner drainage pump - Google Patents
Electronic water level detection device of air conditioner drainage pump Download PDFInfo
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- CN113236540B CN113236540B CN202110640780.6A CN202110640780A CN113236540B CN 113236540 B CN113236540 B CN 113236540B CN 202110640780 A CN202110640780 A CN 202110640780A CN 113236540 B CN113236540 B CN 113236540B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/025—Stopping, starting, unloading or idling control by means of floats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/04—Draining
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
An electronic water level detection device of an air conditioner drainage pump belongs to the technical field of air conditioner drainage pump equipment; the spring contact piece is connected with the annular metal ring, so that the effect that the electronic signal contacts to trigger the main control panel to start is realized, and the problem that the drainage pump abnormally operates or stops once the existing water level sensor breaks down or senses false water level information is solved; the electrode type water level sensor is the last safety line, and when one part in the electronic water level detection device fails, the electronic water level detection device can ensure that the water pump can obtain the effect of signal continuous drainage; the compression mechanism is driven by the transmission shaft to generate compressed air, the air storage tank is used for storing the compressed air generated by the piston type air cylinder, the electromagnetic valve on the connecting pipe is opened, and the compressed air is blown to four sides of the inner wall of the drainage pump shell through the plurality of air nozzles, so that water drops on the inner wall of the drainage pump shell rapidly flow downwards, and the effect that the water drops flow to the bottom of the drainage pump shell and are discharged by the water pump is realized.
Description
Technical Field
The invention belongs to the technical field of air conditioner drainage pump equipment, and particularly relates to an electronic water level detection device of an air conditioner drainage pump.
Background
The air conditioner is in a lower state due to the surface temperature of the evaporator during refrigeration, when water vapor with higher indoor temperature meets the surface of the low-temperature evaporator, the water vapor is condensed into water, the condensed water is attached to the surface of the evaporator and converged in the water receiving tray below the evaporator, the condensed water in the water receiving tray needs to be discharged in time, and the air conditioner drainage pump is used for timely discharging the condensed water in the water receiving tray. The air conditioner drainage pump generally identifies the water level of the water tank through a water level sensor, and controls the operation, the closing, the alarm and the like of the drainage pump according to the water level height information. The existing air conditioner drainage pump is usually only provided with one electronic water level sensor, so that once the water level sensor fails or false water level information is sensed, the drainage pump can be abnormally operated or shut down, and further related accidents are caused.
Disclosure of Invention
The present invention mainly solves the technical problems existing in the prior art, and provides an electronic water level detecting device for an air conditioner drainage pump.
The technical problem of the invention is mainly solved by the following technical scheme: an electronic water level detection device of an air conditioner drainage pump comprises a drainage pump shell, a drainage pump cover body and an electronic water level detection device, wherein the electronic water level detection device is arranged in the middle of the drainage pump shell, the drainage pump cover body is covered on the upper side of the drainage pump shell, the electronic water level detection device comprises a supporting plate frame and a water pump, a water pump fixing box is arranged on the lower right side of the supporting plate frame, the water pump is arranged at the bottom side of the water pump fixing box, an installation frame is arranged on the lower left side of the supporting plate frame, a circular contact rotating plate is arranged on the lower side of the middle part of the installation frame, a rotating shaft is fixedly connected to the upper side of the center of the circular contact rotating plate, the upper end of the rotating shaft is arranged on the inner side of the installation frame, the upper end of the rotating shaft is rotatably connected with the connection part of the installation frame through a bearing, a speed reduction box is arranged above the rotating shaft and on the inner side of the installation frame, the upper end of the rotating shaft is connected with the output end of the speed reducer box, the tail end of the water pump is provided with a water pump output shaft, the water pump output shaft is in transmission connection with a motor rotating shaft in the water pump, the other end of the water pump output shaft is provided with a transmission shaft, the transmission shaft is in rotational connection with the water pump output shaft through a gear, the other end of the transmission shaft is in rotational connection with the input end of the speed reducer box, two sides of the lower end of the installation frame are vertically provided with electrode type water level sensors, the lower ends of the electrode type water level sensors on two sides of the installation frame are vertically provided with lifting rods, floating plates are horizontally arranged on the two lifting rods and are in sliding connection with the lifting rods, a circular contact bottom plate is arranged on the upper side of the center of each floating plate, an annular magnet ring is arranged in the upper surface of the circular contact bottom plate, and an annular metal ring is arranged on the upper surface of the annular magnet ring, the upper surface of annular metal circle has seted up the ring groove, the upper left side of support grillage is equipped with the main control board, water pump and electrode type level sensor are controlled by the main control board.
As preferred, the bottom surface of circular contact rotor plate is equipped with a plurality of spring contact piece, a plurality of spring contact piece all are equipped with round becket metal ring on the lower surface equipartition annular setting of circular contact rotor plate, ring shallow slot and lower ring shallow slot have been seted up on the outer lane face of circular contact rotor plate, go up ring shallow slot and all be equipped with the round becket metal ring on the internal surface of ring shallow slot down, the left of circular contact rotor plate is equipped with L shape mount, the lower surface of installation frame is fixed in to the upper end of L shape mount, the one end that L shape mount is close to circular contact rotor plate is equipped with upper contact piece and lower contact piece, the junction between upper contact piece and lower contact piece and the L shape mount all is equipped with elastic component, elastic component includes supporting spring, kicking block and locating lever, kicking block slidable mounting is on the locating lever, the left end of locating lever is fixed in on the right-hand member of L shape mount, supporting spring locate on the left end of locating lever and in the left side of kicking block, be located the right-hand piece of locating lever and be equipped with right-hand piece, the left-hand member of shallow slot is located on the left-hand member of left-hand member by the right end of elastic contact piece in the right end of compression ring is located the lower contact piece.
Preferably, one end of the spring contact piece is bent downwards, the other end of the spring contact piece is fixed on the lower surface of the circular contact rotating plate, a concave arc opening is formed in the middle of the downward bent end of the spring contact piece, an S-shaped elastic piece is arranged on the upper surface of the middle of the spring contact piece, the lower end of the S-shaped elastic piece is fixed in the middle of the spring contact piece, and the upper end of the S-shaped elastic piece is fixed on the lower surface of the circular contact rotating plate.
Preferably, a notch is formed in the lower surface of the center of the floating plate.
Preferably, the upper and lower positions between the concave arc opening of the spring contact piece and the circular groove correspond, an electromagnet module is arranged in the bottom surface of the circular contact rotating plate and embedded on the upper side of the spring contact piece, and the electromagnet module is controlled by the main control panel.
As preferred, all through electric connection between upper contact piece and the main control board and between lower contact piece and the main control board, be sliding contact between the becket in upper contact piece and the last ring shallow slot and between the becket in lower contact piece and the lower ring shallow slot and be connected, the quantity of spring contact piece is six, wherein uses three spring contact piece to divide into two sets ofly for a set of messenger's it, two sets of spring contact pieces respectively with becket in the last ring shallow slot corresponds electric connection with the becket in the lower ring shallow slot, be the interval setting between two sets of spring contact pieces.
Preferably, the transmission shaft is horizontally arranged, a compression mechanism is arranged in the middle of the transmission shaft, the compression mechanism comprises a mechanism frame, a piston type air cylinder and a compression ratio adjusting rod, the middle end of the transmission shaft is positioned at the lower side inside the mechanism frame, a shaft rod positioned inside the mechanism frame and positioned on the transmission shaft is in a disconnected form, a left rotating wheel and a right rotating wheel are respectively arranged at two ends of the disconnected part, the connection part of the transmission shaft and the mechanism frame is in transmission connection through a bearing, a left fixing shaft is arranged on the right side surface of the left rotating wheel, a right fixing shaft is arranged on the right side surface of the right rotating wheel, the relative positions between the left fixing shaft and the right fixing shaft are on a coaxial line, a rotating sleeve is arranged between the left fixing shaft and the right fixing shaft, the rotating sleeve is in rotating connection with the left fixing shaft and the right fixing shaft through bearings, and a swing type push rod is arranged at the upper side of the middle end part of the rotating sleeve, the piston inflator is arranged on the front upper side in the mechanism frame, the piston inflator is vertically arranged, a piston push rod is arranged at the lower end of the piston inflator, the piston push rod is arranged on the front side wall inside the mechanism frame and is arranged on the front side of the piston push rod, a sliding groove is vertically arranged on the rear end face of the fixing block, the lower end part of the piston push rod is arranged in the sliding groove and is in sliding connection with the sliding groove, a straight rack is fixedly arranged on the rear side of the lower end part of the piston push rod, a compression ratio adjusting rod is vertically arranged on the rear upper side in the mechanism frame, an adjusting rod positioning block is fixedly arranged on the rear side face in the mechanism frame, the middle part of the compression ratio adjusting rod is arranged in the adjusting rod positioning block in a sliding manner, the upper end part of the compression ratio adjusting rod extends to the upper side of the mechanism frame, and an external thread is arranged at the upper end part of the compression ratio adjusting rod, lie in the outside upside of mechanism frame and in the upper end of compression ratio regulation pole is equipped with lock nut, the upper end of oscillating push rod is equipped with the transverse swinging rod, the upper end of oscillating push rod is through round pin axle swing joint with the middle part of transverse swinging rod, through round pin axle swing joint between the rear end portion of transverse swinging rod and the lower tip of compression ratio regulation pole, the front end of transverse swinging rod is equipped with the arc piece, be equipped with the tooth corresponding with the straight-rack tooth number on the leading flank of arc piece, intermeshing between the tooth on the arc piece leading flank and the tooth of straight-rack, the upper end of piston inflator is equipped with the outlet duct.
As preferred, the upper right side of supporting plate frame is equipped with the gas holder, the other end and the gas holder intercommunication of outlet duct, the inboard border department of drain pump casing upper end is equipped with round annular trachea, be equipped with the connecting pipe between annular trachea and the gas holder, annular tracheal downside equipartition is equipped with a plurality of air cocks, the lower tip of air cock inclines to the medial surface of drain pump casing, the gas outlet of air cock is towards the medial surface of drain pump casing, the junction of outlet duct and gas holder and the junction of connecting pipe and gas holder all are equipped with the solenoid valve, the solenoid valve passes through the main control board control.
The invention has the following beneficial effects:
the invention comprises a drainage pump shell, a drainage pump cover body and an electronic water level detection device, when the drainage pump shell is filled with condensed water, a floating plate floats upwards under the influence of buoyancy, when a circular contact bottom plate on the floating plate contacts the lower side of a circular contact rotating plate, a spring contact piece is in contact connection with an annular metal ring, two groups of spring contact pieces which are arranged at intervals in a staggered mode after connection enable electric signals to be conducted with each other when contacting the annular metal ring, at the moment, a main control panel controls an electromagnetic module to start, the electromagnetic module generates magnetic force, the magnetic force enables the electromagnetic module of the circular contact rotating plate and an annular magnet ring of the circular contact bottom plate to adsorb each other, the effect of enabling the electromagnetic module to be in stable contact is achieved, after the contact, the main control panel controls a water pump to start, a motor rotating shaft in the water pump is in transmission connection with a water pump rotating shaft, the water pump rotating shaft drives a speed reducer case, the rotating shaft drives the speed reducer case to output to the rotating shaft after the rotating speed is reduced through the speed reducer case, the rotating shaft and the circular contact rotating plate together with the rotating plate, when the circular contact rotating plate rotates, the upper drainage pump and the lower contact rotating plate are always elastically compressed and connected with the metal ring, the circular contact rotating plate, the upper drainage plate and the lower contact rotating plate, the magnetic force disappears, the number of the main drainage plate and the main drainage plate can control the main drainage plate to be in synchronous control the effect of the floating plate, and the main drainage effect of the floating plate, and the main drainage plate can be achieved; the electrode type water level sensor is the last safety line, and when a certain part in the electronic water level detection device fails, the electronic water level detection device can ensure that the water pump can obtain the effect of continuous signal drainage; the compression mechanism is driven by the transmission shaft to generate compressed air, the air storage tank is used for storing the compressed air generated by the piston type air cylinder, the air with certain pressure is stored in the air storage tank, the main control panel controls the opening and closing of the electromagnetic valve, when air needs to be discharged, the electromagnetic valve on the connecting pipe is opened, the air is led to the annular air pipe through the connecting pipe, the compressed air is blown to four sides of the inner wall of the drainage pump shell through a plurality of air nozzles, water drops on the inner wall of the drainage pump shell rapidly flow downwards, and the effect that the water drops flow to the bottom of the drainage pump shell and are discharged by the water pump is achieved;
according to the invention, the floating plate rises, the circular contact bottom plate is contacted with the lower side of the circular contact rotating plate, the spring contact piece is connected with the annular metal ring, the effect of triggering the main control plate to start through electronic signal contact is realized, the surface of the annular metal ring is provided with the oxide layer after long-term passing, the spring contact piece is driven through the rotation of the circular contact rotating plate, the rotation of the spring contact piece generates friction with the annular metal ring, the effect of eliminating the oxide layer of the annular metal ring is realized, the effect of keeping contact communication of an electrical signal is realized, and the abnormal operation or shutdown phenomenon of the drainage pump can be avoided once the existing water level sensor fails or false water level information is sensed.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view showing a structure of the electronic water level detecting device of the present invention;
FIG. 3 is a schematic front view of a circular contact rotating plate according to the present invention;
FIG. 4 is a schematic top view of the circular contact rotating plate of the present invention;
FIG. 5 is a perspective view of a spring contact plate according to the present invention;
FIG. 6 is a schematic top view of a circular contact base of the present invention;
FIG. 7 is a side view of a circular contact pad of the present invention;
FIG. 8 is a schematic view of a connection between the middle portion of the drive shaft and the compression mechanism of the present invention;
FIG. 9 is a side view of the compression mechanism of the present invention;
FIG. 10 is a schematic top view of a sump pump housing according to the present invention;
FIG. 11 is a cross-sectional view of the annular trachea of the present invention;
fig. 12 is a partial schematic view of the annular trachea of the present invention.
In the figure: 1. a drain pump housing; 2. a drain pump cover body; 3. an electronic water level detection device; 4. a support plate frame; 5. a water pump; 6. a water pump fixing box; 7. a mounting frame; 8. a circular contact rotating plate; 81. an electromagnet module; 9. a rotating shaft; 10. a speed reduction chassis; 11. an output shaft of the water pump; 12. a drive shaft; 13. an electrode type water level sensor; 14. a lifting rod; 15. a floating plate; 16. a circular contact base plate; 17. an annular magnet ring; 171. an annular metal ring; 172. a circular ring groove; 18. a main control panel; 19. a spring contact piece; 20. an upper circular ring shallow slot; 21. a lower circular ring shallow groove; 22. a metal ring; 23. an L-shaped fixing frame; 24. an upper contact sheet; 25. a lower contact; 26. an elastic component; 27. a support spring; 28. a top block; 29. positioning a rod; 30. a limiting sheet; 31. a concave arc opening; 32. an S-shaped elastic sheet; 33. a notch opening; 34. a compression mechanism; 35. a mechanism frame; 36. a piston type inflator; 37. a compression ratio adjusting rod; 38. a left rotating wheel; 39. a right rotating wheel; 40. a left stationary shaft; 41. a right fixed shaft; 42. rotating the sleeve; 43. a swing type push rod; 45. a piston push rod; 46. a fixed block; 47. a chute; 48. straight rack; 49. a positioning block of the adjusting rod; 50. an external thread; 51. locking the nut; 52. a transverse swing lever; 53. an arc-shaped sheet; 54. teeth; 55. an air outlet pipe; 56. a gas storage tank; 57. an annular air pipe; 58. a connecting pipe; 59. an air tap; 60. an electromagnetic valve; 61. and a bearing.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): an electronic water level detecting device of an air conditioner drainage pump is disclosed, as shown in fig. 1-12, comprising a drainage pump casing, a drainage pump cover body and an electronic water level detecting device, wherein the electronic water level detecting device is installed in the middle part in the drainage pump casing, the drainage pump cover body is covered on the upper side of the drainage pump casing, the electronic water level detecting device comprises a supporting plate frame and a water pump, a water pump fixing box is arranged on the lower right side of the supporting plate frame, the water pump is installed at the bottom side in the water pump fixing box, an installation frame is arranged on the lower left side of the supporting plate frame, a circular contact rotating plate is arranged on the lower side of the middle part of the installation frame, a rotating shaft is fixedly connected on the upper side of the center of the circular contact rotating plate, the upper end of the rotating shaft is arranged on the inner side of the installation frame, and the connection part of the rotating shaft and the installation frame is rotatably connected through a bearing, a speed reducer box is arranged above the rotating shaft and on the inner side of the installation frame, the upper end of the rotating shaft is connected with the output end of the speed reducer box, the tail end of the water pump is provided with a water pump output shaft, the water pump output shaft is in transmission connection with a motor rotating shaft in the water pump, the other end of the water pump output shaft is provided with a transmission shaft, the transmission shaft is in transmission connection with the water pump output shaft through a gear, the other end of the transmission shaft is in transmission connection with the input end of the speed reducer box, electrode type water level sensors are vertically arranged on two sides of the lower end of the installation frame, lifting rods are vertically arranged at the lower ends of the electrode type water level sensors on two sides of the installation frame, floating plates are horizontally arranged on the two lifting rods, the floating plates are in sliding connection with the lifting rods, the lifting rods can keep specific positions when the floating plates up and down, and a circular contact bottom plate is arranged on the upper side of the center of the floating plates, be equipped with annular magnet circle in the upper surface of circular contact bottom plate, the upper surface of annular magnet circle is equipped with annular metal ring, the ring groove has been seted up to annular metal ring's upper surface, the upper left side of supporting plate frame is equipped with the master control board, water pump and electrode type level sensor are controlled by the master control board.
The bottom surface of circular contact rotor plate is equipped with a plurality of spring contact piece, a plurality of spring contact piece set up at the lower surface equipartition annular of circular contact rotor plate, set up ring shallow slot and ring shallow slot down on the outer lane face of circular contact rotor plate, it all is equipped with the round becket on the internal surface of ring shallow slot and ring shallow slot down to go up the ring shallow slot, the left of circular contact rotor plate is equipped with L shape mount, the lower surface of installation frame is fixed in to the upper end of L shape mount, the one end that L shape mount is close to circular contact rotor plate is equipped with upper contact piece and lower contact piece, the junction between upper contact piece and lower contact piece and the L shape mount all is equipped with elastic component, elastic component includes supporting spring, kicking block and locating lever, the top block is slidably arranged on the positioning rod, the left end of the positioning rod is fixed on the right end face of the L-shaped fixing frame, the supporting spring is arranged on the left end part of the positioning rod and on the left side of the top block, the limiting piece is arranged at the right end of the ejector rod and on the right side of the positioning rod, the left ends of the upper contact piece and the lower contact piece are fixed on the right end face of the respective left positioning rod, the right end part of the upper contact piece is elastically compressed and bent and arranged in the upper ring shallow groove, the right end part of the lower contact piece is elastically compressed and bent and arranged in the lower ring shallow groove, the elastic assembly enables the upper contact piece and the lower contact piece to be elastically compressed and bent all the time, and the upper contact piece and the lower contact piece are kept in a compressed state due to the pressure of the supporting spring when in use,
one end of the spring contact piece is bent downwards, the other end of the spring contact piece is fixed on the lower surface of the circular contact rotating plate, a concave arc opening is formed in the middle of the downward bent end of the spring contact piece, an S-shaped elastic piece is arranged on the upper surface of the middle of the spring contact piece, the lower end of the S-shaped elastic piece is fixed in the middle of the spring contact piece, the upper end of the S-shaped elastic piece is fixed on the lower surface of the circular contact rotating plate, when the circular contact bottom plate is in contact with the lower side of the circular contact rotating plate, the spring contact piece with one end bent downwards plays an effect of elastic buffer contact, the S-shaped elastic piece increases the elastic strength of the spring contact piece, the spring contact piece is enabled to be not prone to deform, and the concave arc opening plays a role in positioning with the annular metal ring.
The lower surface at the center of the floating plate is internally provided with a notch, and the notch increases the upward buoyancy at the center of the floating plate.
The upper and lower position between the lower concave camber mouth of spring contact piece and the ring groove is corresponding, when the kickboard rose, makes the ring groove can with the cooperation of lower concave camber mouth, makes the location laminating between spring contact piece and the annular metal circle, be located the bottom surface of circular contact rotor plate and in the upside of spring contact piece inlays and is equipped with electromagnet module, electromagnet module is controlled by the main control board, and when the kickboard rose back spring contact piece and annular metal circle contact connection, the main control board controlled electromagnet module started, and electromagnet module produced magnetic force, and magnetic force adsorbs each other between circular contact rotor plate and the circular contact bottom plate.
All through electric connection between last contact piece and the main control panel and between lower contact piece and the main control panel, go up between the becket in contact piece and the last ring shallow slot and be the sliding contact connection between the becket in lower contact piece and the lower ring shallow slot, the quantity of spring contact piece is six, wherein uses three spring contact piece as a set of messenger's it to divide into two sets ofly, two sets of spring contact pieces respectively with go up the becket in the ring shallow slot and correspond electric connection with the becket in the ring shallow slot down, set up for crisscross interval between two sets of spring contact pieces, switch on with last contact piece electric connection behind the becket electric connection in one set of spring contact piece and the last ring shallow slot, switch on with lower contact piece electric connection behind the becket electric connection in another set of spring contact piece and the lower ring shallow slot, two sets of springs that crisscross interval set up when contacting the ring shape becket, make switching on of the signal of telecommunication more even.
The transmission shaft is horizontally arranged, the middle part of the transmission shaft is provided with a compression mechanism, the compression mechanism comprises a mechanism frame, a piston type air cylinder and a compression ratio adjusting rod, the middle end part of the transmission shaft is positioned at the lower side inside the mechanism frame, the shaft lever positioned inside the mechanism frame and positioned on the transmission shaft is in a disconnection mode, the two ends of the disconnection part are respectively provided with a left rotating wheel and a right rotating wheel, the connection part of the transmission shaft and the mechanism frame is in transmission connection through a bearing, the right side surface of the left rotating wheel is provided with a left fixed shaft, the right side surface of the right rotating wheel is provided with a right fixed shaft, the relative position between the left fixed shaft and the right fixed shaft is positioned on a coaxial line, a rotating sleeve is arranged between the left fixed shaft and the right fixed shaft, the rotating sleeve is in rotating connection with the left fixed shaft and the right fixed shaft through bearings, and the upper side of the middle end part of the rotating sleeve is provided with a swinging push rod, the piston inflator is arranged on the front upper side in the mechanism frame, the piston inflator is vertically arranged, a piston push rod is arranged at the lower end of the piston inflator, the piston push rod is arranged on the front side wall inside the mechanism frame and is arranged on the front side of the piston push rod, a sliding groove is vertically arranged on the rear end face of the fixing block, the lower end part of the piston push rod is arranged in the sliding groove and is in sliding connection with the sliding groove, a straight rack is fixedly arranged on the rear side of the lower end part of the piston push rod, a compression ratio adjusting rod is vertically arranged on the rear upper side in the mechanism frame, an adjusting rod positioning block is fixedly arranged on the rear side face in the mechanism frame, the middle part of the compression ratio adjusting rod is arranged in the adjusting rod positioning block in a sliding manner, the upper end part of the compression ratio adjusting rod extends to the upper side of the mechanism frame, and an external thread is arranged at the upper end part of the compression ratio adjusting rod, the locking nut is arranged at the upper side outside the mechanism frame and at the upper end of the compression ratio adjusting rod, the transverse swinging rod is arranged at the upper end of the swinging push rod, the upper end of the swinging push rod is movably connected with the middle part of the transverse swinging rod through a pin shaft, the rear end part of the transverse swinging rod is movably connected with the lower end part of the compression ratio adjusting rod through a pin shaft, an arc-shaped piece is arranged at the front end of the transverse swinging rod, teeth corresponding to the number of the straight rack teeth are arranged on the front side surface of the arc-shaped piece, the teeth on the front side surface of the arc-shaped piece are mutually meshed with the teeth of the straight rack teeth, and an air outlet pipe is arranged at the upper end of the piston type inflator; the rotary sleeve is driven by the transmission shaft, the rotary sleeve drives the swing type push rod to enable the upper end portion of the swing type push rod to reciprocate up and down, then the up-down position of the compression ratio adjusting rod is adjusted, the up-down movement position of the piston push rod is changed, after the compression ratio adjusting rod is adjusted and determined, the compression ratio adjusting rod is locked and fixed through the locking nut, the swing type push rod drives the transverse swinging rod, the rear end of the transverse swinging rod is positioned by the lower end of the compression ratio adjusting rod, the front end portion of the transverse swinging rod swings up and down and drives the arc-shaped sheet, the front side face of the arc-shaped sheet is provided with teeth corresponding to the number of the straight rack teeth, the straight rack and the piston push rod are stirred to achieve up-down movement, the compression ratio adjusting rod is adjusted downwards to enable the air output of the piston type inflator to be reduced, and the compression ratio adjusting rod is adjusted upwards to enable the air output of the piston type inflator to be increased.
The air storage tank is arranged on the upper right side of the supporting plate frame, the other end of the air outlet pipe is communicated with the air storage tank, a circle of annular air pipe is arranged at the inner edge of the upper end portion of the drainage pump shell, a connecting pipe is arranged between the annular air pipe and the air storage tank, a plurality of air nozzles are uniformly distributed on the lower side of the annular air pipe, the lower end portions of the air nozzles incline towards the inner side face of the drainage pump shell, the air outlets of the air nozzles face the inner side face of the drainage pump shell, electromagnetic valves are arranged at the connecting portions of the air outlet pipe and the air storage tank and the connecting portions of the connecting pipe and the air storage tank, and the electromagnetic valves are controlled by the main control panel; the air storage tank is used for storing compressed air generated by the piston type inflator, the air storage tank stores air with certain pressure, the main control panel controls the opening and closing of the electromagnetic valve, when air needs to be discharged, the electromagnetic valve on the connecting pipe is opened, the air is led to the annular air pipe through the connecting pipe, the compressed air is blown to four sides of the inner wall of the drainage pump shell through the plurality of air nozzles, water drops on the inner wall of the drainage pump shell flow downwards quickly, and the water drops flow to the bottom of the drainage pump shell and are discharged by the water pump.
Above-mentioned main control panel comprises current circuit structure, and this main control panel has the control water pump and stops, control electromagnet module, and control solenoid valve opens and close, and this main control panel still has time delay processing module function, handles annular metal ring and two sets of spring contact piece contact back, and the signal of telecommunication of two sets of spring contact pieces switches on the back, and the function that the control water pump started, after circular contact bottom plate and circular contact rotor plate separation, the water pump still can continue the work operation through time delay processing module.
The working and operating principles of the invention are as follows:
the water outlet of the existing air conditioner condensed water drain pipe is connected in the drain pump cover body of the invention, so that the condensed water is drained into the drain pump shell, when the drain pump shell is filled with the condensed water, the floating plate floats upwards under the influence of buoyancy, when the circular contact bottom plate on the floating plate contacts the lower side of the circular contact rotating plate, the spring contact sheets are in contact connection with the annular metal ring, two groups of spring contact sheets which are arranged at intervals after connection are in contact with the annular metal ring, so that electric signals are mutually conducted, at the moment, the main control panel controls the electromagnetic module to start, the electromagnetic module generates magnetic force, the magnetic force mutually adsorbs the electromagnetic module of the circular contact rotating plate and the annular magnet ring of the circular contact bottom plate, so as to realize the effect of stable contact connection, after the contact, the main control panel controls the water pump to start, the water pump body starts pumping, and the motor rotating shaft in the water pump is in transmission connection with the water pump rotating shaft, the rotating shaft of the water pump drives the transmission shaft, the transmission shaft drives the speed reducer case, the rotating speed is reduced through the speed reducer case and then is output to the rotating shaft, the rotating shaft and the circular contact rotating plate rotate clockwise, when the circular contact rotating plate rotates, the upper contact piece and the lower contact piece are always in electric conduction connection with the metal ring through elastic compression bending, after the circular contact rotating plate rotates for a set number of turns, the main control panel controls the electromagnet module to be closed, the magnetic force disappears, the circular contact rotating plate is separated from the circular contact bottom plate, the floating plate begins to descend synchronously with the water level, the water pump can continue to work for a set time through the control of the main control panel, the automatic discharge of condensed water in the drainage pump shell is realized, the electrode type water level sensor is the last safety line, when a certain part in the electronic water level detection device fails, the electronic water level detection device can ensure that the water pump can obtain signals to continue to discharge water, the compression mechanism generates compressed air through the driving of the transmission shaft, the air storage tank is used for storing the compressed air generated by the piston type air cylinder, the air with certain pressure is stored in the air storage tank, the main control panel controls the opening and closing of the electromagnetic valve, when air needs to be discharged, the electromagnetic valve on the connecting pipe is opened, the air is led to the annular air pipe through the connecting pipe, the compressed air is blown to four sides of the inner wall of the drainage pump shell through a plurality of air nozzles, water drops on the inner wall of the drainage pump shell flow downwards quickly, and the water drops flow to the bottom of the drainage pump shell and are discharged by the water pump.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the embodiments described above, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Claims (3)
1. An electronic water level detection device of an air conditioner drainage pump comprises a drainage pump shell, a drainage pump cover body and an electronic water level detection device, wherein the electronic water level detection device is arranged in the middle of the drainage pump shell, the drainage pump cover body is sealed on the upper side of the drainage pump shell, the electronic water level detection device is characterized by comprising a supporting plate frame and a water pump, the right lower side of the supporting plate frame is provided with a water pump fixing box, the water pump is arranged at the bottom side of the water pump fixing box, the left lower side of the supporting plate frame is provided with an installation frame, the lower side of the middle part of the installation frame is provided with a circular contact rotating plate, the upper side of the center of the circular contact rotating plate is fixedly connected with a rotating shaft, the upper end of the rotating shaft is arranged on the inner side of the installation frame, the upper end of the rotating shaft is connected with the connection part of the installation frame in a rotating mode through a bearing, a speed reducer box is arranged above the rotating shaft and is arranged on the inner side of the installation frame, the upper end of the rotating shaft is connected with the output end of the speed reducer box, the tail end of the water pump is provided with a water pump output shaft, the water pump output shaft is in transmission connection with a motor rotating shaft in the water pump, the other end of the water pump output shaft is provided with a transmission shaft, the transmission shaft is in rotational connection with the water pump output shaft through a gear, the other end of the transmission shaft is in rotational connection with the input end of the speed reducer box, two sides of the lower end of the installation frame are vertically provided with electrode type water level sensors, the lower ends of the electrode type water level sensors on two sides of the installation frame are vertically provided with lifting rods, two lifting rods are horizontally provided with floating plates, the floating plates are in sliding connection with the lifting rods, the upper side of the center of the floating plate is provided with a circular contact bottom plate, an annular magnet ring is arranged in the upper surface of the circular contact bottom plate, and an annular metal ring is arranged on the upper surface of the annular magnet ring, the upper surface of the annular metal ring is provided with an annular groove, the left upper side of the supporting plate frame is provided with a main control plate, and the water pump and the electrode type water level sensor are controlled by the main control plate;
the bottom surface of circular contact rotor plate is equipped with a plurality of spring contact piece, a plurality of spring contact piece sets up at the lower surface equipartition annular of circular contact rotor plate, ring shallow slot and lower ring shallow slot have been seted up on the outer lane face of circular contact rotor plate, it all is equipped with the round becket on the internal surface of ring shallow slot and lower ring shallow slot to go up, the left of circular contact rotor plate is equipped with L shape mount, the lower surface of installation frame is fixed in to the upper end of L shape mount, the one end that L shape mount is close to circular contact rotor plate is equipped with upper contact piece and lower contact piece, the junction between upper contact piece and lower contact piece and the L shape mount all is equipped with elastic component, the elastic assembly comprises a supporting spring, an ejecting block and a positioning rod, the ejecting block is slidably mounted on the positioning rod, the left end of the positioning rod is fixed on the right end face of the L-shaped fixing frame, the supporting spring is arranged on the left end part of the positioning rod and on the left side of the ejecting block, a limiting piece is arranged at the right end of the ejector rod and on the right side of the positioning rod, the left ends of the upper contact piece and the lower contact piece are fixed on the right end face of the positioning rod on the left side of each positioning rod, the right end part of the upper contact piece is elastically compressed and bent and arranged in the upper ring shallow groove, and the right end part of the lower contact piece is elastically compressed and bent and arranged in the lower ring shallow groove;
one end of the spring contact piece is bent downwards, the other end of the spring contact piece is fixed on the lower surface of the circular contact rotating plate, a concave arc opening is formed in the middle of the downward bent end of the spring contact piece, an S-shaped elastic piece is arranged on the upper surface of the middle of the spring contact piece, the lower end of the S-shaped elastic piece is fixed in the middle of the spring contact piece, and the upper end of the S-shaped elastic piece is fixed on the lower surface of the circular contact rotating plate;
the upper and lower positions of the lower concave arc opening of the spring contact piece correspond to the upper and lower positions of the circular groove, an electromagnet module is arranged in the bottom surface of the circular contact rotating plate and embedded at the upper side of the spring contact piece, and the electromagnet module is controlled by a main control panel;
a notch is formed in the lower surface of the center of the floating plate;
all through electric connection between upper contact piece and the main control board and between lower contact piece and the main control board, be sliding contact between the becket in upper contact piece and the last ring shallow slot and between the becket in lower contact piece and the lower ring shallow slot and be connected, the quantity of spring contact piece is six, wherein uses three spring contact piece as a set of messenger's it to divide into two sets ofly, two sets of spring contact pieces respectively with go up the becket in the ring shallow slot and correspond electric connection with the becket in the ring shallow slot down, set up for the interval between two sets of spring contact pieces.
2. The electronic water level detecting device of an air conditioning drain pump according to claim 1, wherein the transmission shaft is horizontally disposed, a compression mechanism is disposed at a middle portion of the transmission shaft, the compression mechanism includes a mechanism housing, a piston cylinder, and a compression ratio adjusting lever, a middle end of the transmission shaft is located at a lower side of an inside of the mechanism housing, a shaft lever located at the inside of the mechanism housing and at the transmission shaft is in a disconnected form, and a left rotating wheel and a right rotating wheel are respectively disposed at two ends of the disconnected form, a connection portion of the transmission shaft and the mechanism housing is connected by a bearing in a transmission manner, a left fixing shaft is disposed on a right side surface of the left rotating wheel, a right fixing shaft is disposed on a right side surface of the right rotating wheel, a relative position between the left fixing shaft and the right fixing shaft is on a coaxial line, a rotating sleeve is disposed between the left fixing shaft and the right fixing shaft, and the rotating sleeve is rotatably connected with the left fixing shaft and the right fixing shaft by a bearing, the upside of tip is equipped with the oscillating push rod in the rotating sleeve, the preceding upside in the mechanism frame is installed to the piston inflator, the piston inflator is perpendicular setting, the piston push rod is installed to the lower extreme of piston inflator, be located inside the mechanism frame on the preceding lateral wall and in the front side of piston push rod is equipped with the fixed block, be equipped with the spout perpendicularly on the rear end face of fixed block, the lower tip of piston push rod is located in the spout and rather than sliding connection, the fixed spur rack that is equipped with in rear side of tip under the piston push rod, the back upside in the mechanism frame is installed perpendicularly to the compression ratio regulation pole, fixed mounting has the regulation pole locating piece on the trailing flank in the mechanism frame, the middle part of compression ratio regulation pole slides and locates in the regulation pole locating piece, the upper end of compression ratio regulation pole extends to the upside of mechanism frame, the utility model discloses a piston inflator, including compression ratio regulation pole, swing push rod, straight-rack, hinge pin, swing piece, gear rack, straight-rack, piston type inflator, outer screw thread, compression ratio regulation pole, be located the outside upside of mechanism frame and in compression ratio regulation pole's upper end is equipped with lock nut, swing push rod's upper end is equipped with the transverse swing pole, swing push rod's upper end and transverse swing pole's middle part are through round pin axle swing joint, through round pin axle swing joint between transverse swing pole's the back tip and the lower tip of compression ratio regulation pole, transverse swing pole's front end is equipped with the arc piece, be equipped with the tooth corresponding with the straight-rack number of teeth on the leading flank of arc piece, intermeshing between the tooth on the arc piece leading flank and the tooth of straight-rack, the upper end of piston type inflator is equipped with the outlet duct.
3. The electronic water level detecting device of an air conditioner drain pump of claim 2, characterized in that the upper right side of the supporting plate frame is provided with a gas storage tank, the other end of the gas outlet pipe is communicated with the gas storage tank, the inner edge of the upper end of the drain pump shell is provided with a circle of annular gas pipe, a connecting pipe is arranged between the annular gas pipe and the gas storage tank, the annular gas pipe is uniformly distributed on the lower side of the gas outlet pipe and provided with a plurality of gas nozzles, the lower end of the gas nozzles inclines towards the inner side of the drain pump shell, the gas outlet of the gas nozzles faces towards the inner side of the drain pump shell, the connecting part of the gas outlet pipe and the gas storage tank and the connecting part of the connecting pipe and the gas storage tank are provided with electromagnetic valves, and the electromagnetic valves are controlled by a main control panel.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11107334A (en) * | 1997-08-08 | 1999-04-20 | Nikkiso Co Ltd | Water supply equipment |
| CN102588594B (en) * | 2012-02-29 | 2015-07-29 | 哈尔滨工业大学（威海） | The self-draining seal arrangement of double-layer seal for underwater rotating machinery |
| AU2014355114B2 (en) * | 2013-11-26 | 2016-11-10 | Beacon Technical Systems, Llc | Sump pump test and monitoring system |
| CN204317203U (en) * | 2014-12-04 | 2015-05-13 | 周海 | Automatic watering device of flowerpot |
| CN204551611U (en) * | 2015-03-31 | 2015-08-12 | 仪征祥源动力供应有限公司 | A kind of electromagnetic valve adds the water replanishing device of floating ball sensor |
| CN106828811B (en) * | 2016-12-21 | 2019-08-02 | 南京汉尔斯生物科技有限公司 | A kind of floating body of controllable balance |
| JP2020025523A (en) * | 2018-08-16 | 2020-02-20 | 水口電装株式会社 | Environmental monitoring system |
| CN213176007U (en) * | 2020-07-27 | 2021-05-11 | 浙江飞越机电有限公司 | Air conditioner drainage pump with combined type water level sensor |
| CN215370192U (en) * | 2021-06-09 | 2021-12-31 | 浙江麦迪制冷科技股份有限公司 | Electronic water level detection device of air conditioner drainage pump |
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