CN108245116B - High dish washer washing pump of security - Google Patents
High dish washer washing pump of security Download PDFInfo
- Publication number
- CN108245116B CN108245116B CN201810092214.4A CN201810092214A CN108245116B CN 108245116 B CN108245116 B CN 108245116B CN 201810092214 A CN201810092214 A CN 201810092214A CN 108245116 B CN108245116 B CN 108245116B
- Authority
- CN
- China
- Prior art keywords
- shell
- pump
- cavity
- heating
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005406 washing Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000002485 combustion reaction Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 230000002265 prevention Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 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
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
-
- 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
- A47L2401/06—Water supply, circulation or discharge information
-
- 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
- A47L2501/05—Drain or recirculation pump, e.g. regulation of the pump rotational speed or flow direction
Abstract
The invention discloses a high-safety washing pump of a dish washer, which comprises a motor, a water pump assembly connected with the motor, an anti-dry heating assembly, a heating assembly and a temperature detection assembly, wherein the anti-dry heating assembly is arranged on the water pump assembly; the pump shell is a shell with a cavity inside, the shell is provided with a water outlet, a mounting buckle and at least one mounting cavity, the mounting cavity is formed by a convex wall extending from the shell to the inside of the cavity, the convex wall enables the mounting cavity to be independent of the cavity of the shell, and a control switch of the dry combustion preventing assembly is a micro switch; compared with the prior art, the pump shell can solve the problem of sealing water leakage, and meanwhile, the thermosensitive electric group mounting cavity extends into the cavity of the pump shell, so that the temperature sensing effect of the thermistor is not affected; the micro switch can be continuously and frequently opened and closed under the influence of the change of the water pressure, and the generated pulse is sent to the signal controller, and the signal controller receives the pulse which is frequently changed and is generated by the micro switch and filters the pulse, so that the motor is prevented from being frequently opened and closed, and the motor can be protected.
Description
Technical Field
The invention relates to the technical field of dish washers, in particular to a dish washer washing pump with high safety.
Background
Dishwashers are usually self-contained with a heating function for heating water; in order to detect the water temperature and the water temperature to be too high or the dishwasher in a water-free state to continue to run, a thermistor and an anti-dry heating component are arranged in a washing pump of the dishwasher with high safety; the existing thermistor is often arranged at the side part of the water pump, and because the pressure exists in the water pump, if the sealing part is tight, the water leakage condition is easy to occur at the installation position of the thermistor, and the use of the dish washer is influenced; the thermistor is arranged at the highest point of the inner cavity of the pump body, so that the water leakage problem can be solved, but the temperature sensing effect of the thermistor is poor; in the existing dry-heating prevention assembly, a pressure switch is a core original paper for preventing dry-heating, whether water exists in a washing pump or not is judged by detecting water pressure through the pressure switch, detection information is fed back to a signal controller, and the signal controller controls on-off of a heating piece according to feedback of the pressure switch; the detection mode is effective when the non-variable frequency motor is driven; however, when the variable frequency motor drives the dish washer, the frequent change of water pressure can lead the pressure switch to be frequently switched on and off due to unstable water pressure, so that the service life of the pressure switch is not only influenced, but also potential safety hazards are caused due to failure of the pressure switch.
Disclosure of Invention
The invention aims to solve the problems existing in the prior art and provides a dishwasher washing pump with high safety.
In order to achieve the aim, the technical scheme adopted by the invention is that the washing pump of the dish washer with high safety comprises a motor, a water pump assembly in transmission connection with a rotating shaft of the motor, an anti-dry heating assembly, a heating assembly and a temperature detection assembly, wherein the anti-dry heating assembly, the heating assembly and the temperature detection assembly are arranged on the water pump assembly; the water pump assembly comprises a pump shell, a dynamic seal piece, an impeller and a water inlet connecting piece, wherein the dynamic seal piece is arranged at the bottom of the pump shell and seals the bottom of the pump shell, the water inlet connecting piece is arranged above the impeller, and the motor rotating shaft penetrates through the dynamic seal piece and is connected with the impeller; the pump shell is a shell with a cavity inside, the shell is provided with a water outlet, a mounting buckle communicated with the cavity and at least one mounting cavity, the mounting cavity is formed by a convex wall extending from the shell to the inside of the cavity, and the convex wall enables the mounting cavity to be independent of the cavity of the shell; the dry combustion preventing assembly is connected with the pump shell through a mounting buckle and comprises a signal controller connected with a first connecting wire, a control switch electrically connected with the signal controller, a switch box connected with the mounting buckle and a rubber pad arranged in the switch box and used for sealing between the control switch and the cavity of the pump shell, the control switch is a micro switch, and a touch head of the micro switch is in close contact with the rubber pad; the temperature detection assembly is a thermistor connected with a second connecting wire, and the thermistor is arranged in the mounting cavity; the heating assembly comprises a temperature control device and a heating device, the temperature control device comprises at least one fuse, a third connecting wire connected with the fuse and a connecting terminal arranged at the end of the third connecting wire, the heating device comprises a heating seat arranged above the pump shell and sealing the pump shell and a heating pipe arranged on the heating seat and arranged in the pump shell, the heating pipe is ring-shaped, two ends of the heating pipe extend out of two mounting heads, the heating pipe is connected with the heating seat, the mounting heads extend out of the upper surface of the heating seat, the ring-shaped part is positioned below the heating seat and arranged in the pump shell, and the mounting heads are connected with the fuse through leads; the heating seat is provided with a connecting hole, and the water inlet connecting piece passes through the connecting hole to extend out of the upper part of the heating seat and is fixedly connected with the heating seat.
As an improvement of the invention, the shell is composed of a cylindrical shell side wall and a bottom surface which is integrally formed with the shell side wall, the water outlet and the installation buckle are arranged on the shell side wall, and the installation cavity is arranged on the bottom surface of the shell and extends from the bottom surface to the inside of the shell.
As an improvement of the invention, the internal structure of the mounting cavity is matched with the thermistor.
As an improvement of the invention, the mounting cavity is provided with an extension sleeve which extends downwards relative to the bottom surface of the pump shell.
As an improvement of the invention, the periphery of the bottom surface is extended downwards to form a cylindrical extension wall, and a wire outlet is arranged at the position corresponding to the extension sleeve.
As an improvement of the invention, the mounting buckle is a conical tube formed by outwards extending the side wall of the pump shell, and the tube orifice of one end of the conical tube far away from the side wall of the pump shell is larger than the tube orifice of one end close to the side wall of the pump shell; through holes which are communicated with the taper pipes and smaller than the pipe orifices of the two taper pipes are arranged at corresponding positions on the side wall of the pump shell.
As an improvement of the invention, the outer wall of the pipe orifice of one end of the cone pipe far away from the side wall of the pump shell is provided with a buckle clip, and the switch box is in a circular cover shape and comprises a side wall and an upper wall of the switch box; the side wall of the switch box is provided with a buckling position matched with the buckle.
As an improvement of the invention, the rubber pad is cap-shaped, the inner cavity of the rubber pad faces the switch box, and a driving head matched with the touch head of the control switch is arranged in the inner cavity.
As an improvement of the invention, the fuse is in a sheet shape, and the fuse is arranged on the heating seat through the crimping piece.
As an improvement of the invention, the number of the fuses is two, the fuses are respectively pressed beside the two mounting heads on the heating seat through the pressing connection piece, each fuse is connected with one third connecting wire, and the two third connecting wires are converged at the same connecting terminal.
Compared with the prior art, the high-safety dishwasher washing pump has the following advantages:
1. the invention relates to a dishwasher washing pump with high safety, wherein a mounting cavity is formed by a convex wall extending from a shell to the inside of a cavity, the convex wall enables the mounting cavity to be independent of the cavity of the shell, the problem of sealing water leakage can be solved, and meanwhile, a thermosensitive electric group mounting cavity extends into the inside of the cavity of a pump shell, so that the temperature sensing effect of a thermistor is not influenced.
2. The detection switch of the anti-dry heating assembly is the micro switch, the detection switch is electrically connected with the signal controller, when the washing pump is normally connected with water, the frequency of the variable frequency motor can be continuously changed, so that the water pressure in the washing pump is continuously changed, the micro switch can be continuously and frequently opened and closed under the influence of the water pressure change, pulses are generated and sent to the signal controller, the signal controller receives the frequently-changed pulses generated by the micro switch and filters the frequently-changed pulses, the frequently-changed pulses are not sent to the circuit controller, and the washing pump motor continuously works; when the washing pump is in a water-free state, the micro switch is in an open state, and when the signal filter does not receive pulses generated by frequent closing of the micro switch in a set time period, the signal controller feeds back the signals to the circuit controller, and the circuit controller switches off the circuit of the motor so as to avoid dry burning; and the motor can be disconnected by the circuit controller only in the anhydrous state, so that frequent on-off of the motor can be avoided, and the motor can be protected.
Drawings
FIG. 1 is a schematic structural view of a high safety dishwasher wash pump according to the present invention;
FIG. 2 is a schematic view of the structure in the other direction of the drawing;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a schematic view of the pump housing of FIG. 3;
FIG. 5 is a cross-sectional view taken along the direction of FIG. 4 A-A;
FIG. 6 is a schematic diagram of the dry fire prevention assembly of FIG. 3;
FIG. 7 is a cross-sectional view taken along the direction of FIG. 6B-B;
FIG. 8 is a schematic view of the structure of FIG. 6 in another direction;
FIG. 9 is a schematic view of the mechanism of FIG. 8 with the rubber pad removed;
FIG. 10 is a schematic view of the switch cover of FIG. 6;
FIG. 11 is a schematic view of the rubber pad of FIG. 6;
FIG. 12 is a schematic view of the heating assembly of FIG. 3;
FIG. 13 is a schematic view of the deployed crimp of FIG. 12;
in the figure: 1. a motor, 2, water pump assembly, 21, pump housing, 211, pump housing sidewall, 2111, water outlet, 2112, mounting button, 2113, fastening clip, 212, bottom, 2121, mounting cavity, 2122, extension sleeve, 213, extension wall, 2131, outlet, 22, dynamic seal, 23, impeller, 24, water inlet connection, 25, wheel cover, 3, anti-dry-fire assembly, 31, signal controller, 32, control switch, 321, trigger head, 33, switch box, 331, switch box sidewall, 3311, fastening position, 332, upper wall, 3321, support table, 3322, clearance groove, 3323, barb, 3324, stopper, 21225, first air permeable groove, 3326, second air permeable groove, 3327, gear block, 34, rubber pad, 341, drive head, 35, first connecting wire, 4, temperature sensing assembly, 41, second connecting wire, 42, thermal resistor, 5, heating assembly, 51, 511, fuse, 512, third connecting wire, 513, 52, wire connection terminal, 52, 53, compression spring, 53, and compression spring
Detailed Description
The invention will be further described with reference to the drawings and preferred embodiments.
As shown in fig. 1 to 2, a high-safety washing pump of a dish washer comprises a motor 1, a water pump assembly 2 in transmission connection with a rotating shaft of the motor 1, a dry heating prevention assembly 3, a heating assembly 5 and a temperature detection assembly 4, wherein the dry heating prevention assembly 3, the heating assembly 5 and the temperature detection assembly 4 are arranged on the water pump assembly 2; the temperature detecting element 4 is a thermistor 42 to which a second connection wire 41 is connected.
As shown in fig. 3, the water pump assembly 2 comprises a pump shell 21, a dynamic seal 22 arranged at the bottom of the pump shell 21 and sealing the bottom of the pump shell 21, an impeller 23 and a water inlet connector 24 arranged above the impeller 23, wherein a rotating shaft of the motor 1 passes through the dynamic seal 22 to be connected with the impeller 23, an impeller cover 25 is arranged above the impeller 23, and the water inlet connector 24 is arranged above the impeller cover 25; as shown in fig. 4 and 5, the pump casing 21 is a casing with a cavity inside, the casing is composed of a cylindrical pump casing side wall 211 and a bottom surface 212 integrally formed with the pump casing side wall 211, a water outlet 2111 and a mounting buckle 2112 for mounting the dry combustion preventing assembly 3 are arranged on the pump casing side wall 211 of the pump casing 21, and the water outlet 2111 is a cylindrical pipe extending from the pump casing side wall 211 to the cavity and communicated with the cavity; the mounting buckle 2112 is a cone pipe formed by extending the side wall 211 of the pump casing outwards, the pipe orifice at one end of the cone pipe far away from the side wall 211 of the pump casing is larger than the pipe orifice at one end close to the side wall 211 of the pump casing, the outer wall of the pipe orifice at one end of the cone pipe far away from the side wall 211 of the pump casing is provided with a buckle 2113, and the corresponding position of the side wall 211 of the pump casing is provided with a through hole communicated with the cone pipe and smaller than the pipe orifices of the two cone pipes; the mounting cavity 2121 for mounting the thermistor 42 is provided on the bottom surface 212 of the pump housing 21 and is formed by extending the bottom surface 212 into the housing, and the mounting cavity 2121 is independent of the cavity of the housing.
Preferably, the internal structure of the mounting cavity 2121 is adapted to the thermistor 42, and the thermistor 42 can be arranged vertically relative to the housing and the detection head of the thermistor 42 is arranged upward relative to the bottom surface 212; when in installation, the thermistor 42 can be directly arranged in the installation cavity 2121, so that the thermistor 42 can not fall off from the installation cavity 2121, and meanwhile, barriers between the thermistor 42 and the inside of the shell cavity are reduced as much as possible, and the temperature of the thermistor 42 is more sensitive.
Preferably, the mounting cavity 2121 is provided with an extension sleeve 2122 extending downwardly relative to the bottom surface 212; since the mounting cavity 2121 is integrally formed with the pump housing 21, the mounting cavity 2121 is limited in height, and the entire thermistor 42 cannot be fully inserted into the mounting cavity 2121, the detection end of the thermistor 42 is inserted into the mounting cavity 2121, and the portion extending out of the mounting cavity 2121 is inserted into the extension sleeve 2122.
Preferably, a cylindrical extension wall 213 extends downwards around the bottom 212, and a wire outlet 2131 is arranged at a position corresponding to the extension sleeve 2122 on the extension wall 213; the second connection wire 41 connected to the thermistor 42 is led out from the bottom surface 212 of the housing through the outlet 2131, without affecting the connection of the subsequent pump body to the motor 1.
Preferably, the upper end of the outlet 2131 is flush with the extension sleeve 2122, which can not only make the placement of the second connecting wire 41 neat, but also avoid wasting the redundant second connecting wire 41.
As shown in fig. 6 to 9, the dry combustion preventing assembly 3 includes a signal controller 31 connected with a first connection wire 35, a control switch 32 electrically connected with the signal controller 31, a switch box 33 connected with a mounting buckle 2112, and a rubber pad 533 disposed in the switch box 33 for sealing between the control switch 32 and the cavity of the pump housing 21, wherein the control switch 32 is a micro switch, and a touch head 321 of the micro switch is in close contact with the rubber pad 533.
As shown in fig. 11, the rubber pad 533 is cap-shaped, and the inner cavity of the rubber pad 533 faces to the switch box 33, so that the control switch 32 and the signal controller 31 can be sealed with the cavity of the pump shell 21 of the washing pump, thereby avoiding the circuit system from being affected by damp, affecting the normal operation of the washing pump, or causing safety accidents; meanwhile, the outer wall of the cap-shaped rubber pad 533 is protruded to be in contact with water in the washing pump, so that the water pressure transmission is more sensitive; a driving head 341 matched with the touch head 321 of the control switch 32 is arranged in the inner cavity of the rubber pad 533, and the driving head 341 and the rubber pad 533 are integrally formed; in operation, the water pressure in the washing pump shell 21 applies pressure to the rubber pad 533, the driving head 341 of the rubber pad 533, which is in contact with the touch head 321 of the control switch 32, is pressurized to the touch head 321, and the micro switch is started; the driving head 341 protrudes relative to the rubber pad 533 and contacts the trigger head 321, and the other cap-shaped protrusion of the rubber pad 533 is placed in the water environment in the pump, so that the control switch 32 can react more sensitively.
As shown in fig. 10, the switch case 33 has a circular cover shape, including a switch case side wall 331 and an upper wall 332; the switch box is characterized in that buckling positions 3311 for being buckled on the pump shell 21 are uniformly distributed on the side wall 331 of the switch box, a rectangular supporting table 3321 for placing the signal controller 31 is upwards extended on the upper wall 332, an avoidance groove 3322 for avoiding the control switch 32 is formed in the supporting table 3321, at least two groups of barbs 3323 are extended above the supporting table 3321, the signal controller 31 is arranged on the supporting table 3321 and is fixed by the groups of barbs 3323, and the control switch 32 passes through the avoidance groove 3322 to enter the switch box 33.
Preferably, each barb 3323 has at least two barbs 3323, and the two barbs 3323 are symmetrically arranged on the left and right sides of the support table 3321, so that the signal controller 31 is pressed downwards along the barbs 3323 during assembly, i.e. fixed, and the assembly is convenient and the process is simple.
Preferably, the four corners of the support table 3321 are provided with stoppers 3324, so that vibration generated when the washing pump is operated can be prevented from falling off the signal controller 31 from the front end or rear end side of the support table 3321.
Preferably, a first ventilation groove 3325 is provided between two limiting blocks 3324 at the front and rear ends of the support table 3321, and a second ventilation groove 3326 is provided on the inner wall of the support table 3321 corresponding to the barb 3323; the air pressure of the control switch 32 in the switch case 33 can be balanced with the outside air pressure without affecting the sensitivity of the control switch 32.
Preferably, a stop block 3327 is provided between adjacent barbs 3323 of each set of barbs 3323; the gear block 3327 not only further stabilizes the installation of the signal controller 31, but also reinforces the switch case 33.
Preferably, a groove is arranged on one side of the rubber facing the switch box 33, and an embedded boss matched with the groove is arranged on the inner surface of the corresponding switch box 33; the rubber pad 533 is provided with a flange on one side facing the cone, and an embedded groove matched with the flange is formed in the inner wall of the cone.
As shown in fig. 12, the heating assembly 5 includes a temperature control device 51 and a heating device 52, the temperature control device 51 includes at least one fuse 511, a third connection wire 512 connected with the fuse 511, and a connection terminal 513 provided at the end of the connection wire, the heating device 52 includes a heating base 521 and a heating pipe 522, the heating pipe 522 is in a loop shape, two ends of the heating pipe 522 extend out of two mounting heads, the heating pipe 522 is connected with the heating base 521, the mounting heads extend out of the upper surface of the heating base 521, the loop-shaped part is located below the heating base 521, and the mounting heads are connected with the fuse 511 through leads; the heating seat 521 seals the upper portion of the pump housing 21, a connecting hole 5211 is provided at the center of the heating seat 521, and the water inlet connector 24 extends out of the upper portion of the heating seat 521 through the connecting hole 5211 and is fixedly connected with the heating seat 521.
Preferably, the fuse 511 is in a sheet shape, the fuse 511 is arranged on the heating seat 521 through the pressing connection piece 53, and the fuse 511 is connected with the heating pipe 522 and is independent of the pipe body of the heating pipe 522; the fuse 511 can still be fused when the heating pipe 522 is overheated to play a protective role on the heating pipe 522, meanwhile, the fuse 511 is independent of the pipe body of the heating pipe 522, the fuse 511 is not required to be welded on the heating pipe 522, the fuse 511 can be prevented from being damaged due to the technical problem of welding in the production process, and the yield can be improved.
Preferably, the number of the fuses 511 is two, and the two fuses are respectively pressed by the pressing connection piece 53 to be arranged beside the two mounting heads on the heating seat 521, so that even if one fuse 511 fails in the working process of the washing pump, the other fuse 511 can continue to perform temperature control, thereby preventing the heating pipe 522 from being excessively high in temperature and causing damage to the washing pump to generate potential safety hazard.
Preferably, each of the fuses 511 is connected to one third connecting wire 512, and the two third connecting wires 512 are joined at the same connection terminal 513; the two fuses 511 form a loop with the heating pipe 522, wherein one of the fuses 511 is disconnected, and the heating pipe is disconnected.
Preferably, a rubber pad 533 is provided between the fuse 511 and the pressing member 53, and the rubber pad 533 can protect the fuse 511, so that the fuse 511 is not damaged when the pressing member 53 is used for fixing the fuse 511 on the heating seat 521, and the fuse 511 can be fixed more firmly.
As shown in fig. 13, the press-fit piece 53 includes an L-shaped pressing piece 531 and a screw 532 for fixing the pressing piece 531 and the fuse 511 to the heating base 521, and the L-shaped pressing piece 531 includes a side surface and a top surface, and the top surface is provided with a screw hole adapted to the screw 532.
Preferably, the height of the sides of the pressing piece 531 is adapted to the thickness of the fuse 511, and the width of the sides is adapted to the length of the fuse 511; the width of the top surface of the pressing piece 531 is matched with the length of the fuse 511, the length of the top surface is larger than the width of the fuse 511, and the screw hole is positioned at the part of the top surface, which exceeds the fuse 511 in the length direction; screw hole is spacing by the lateral surface of preforming 531 and the width looks adaptation of fuse 511 apart from the preforming 531, and one side of fuse 511 is spacing by the lateral surface of preforming 531, and the opposite side is spacing by screw 532, and the upper portion of fuse 511 is spacing by the top surface of preforming 531 simultaneously, can make fuse 511 by fixed more firm.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (8)
1. A high dish washer washing pump of security, its characterized in that: the washing pump comprises a motor, a water pump assembly in transmission connection with a rotating shaft of the motor, an anti-dry heating assembly, a heating assembly and a temperature detection assembly, wherein the anti-dry heating assembly, the heating assembly and the temperature detection assembly are arranged on the water pump assembly;
the water pump assembly comprises a pump shell, a dynamic seal piece, an impeller and a water inlet connecting piece, wherein the dynamic seal piece is arranged at the bottom of the pump shell and seals the bottom of the pump shell, the water inlet connecting piece is arranged above the impeller, and the motor rotating shaft penetrates through the dynamic seal piece and is connected with the impeller;
the pump shell is a shell with a cavity inside, the shell is provided with a water outlet, a mounting buckle communicated with the cavity and at least one mounting cavity, the mounting cavity is formed by a convex wall extending from the shell to the inside of the cavity, and the convex wall enables the mounting cavity to be independent of the cavity of the shell;
the dry combustion preventing assembly is connected with the pump shell through a mounting buckle and comprises a signal controller connected with a first connecting wire, a control switch electrically connected with the signal controller, a switch box connected with the mounting buckle and a rubber pad arranged in the switch box and used for sealing between the control switch and the cavity of the pump shell, the control switch is a micro switch, and a touch head of the micro switch is in close contact with the rubber pad;
the temperature detection assembly is a thermistor connected with a second connecting wire, and the thermistor is arranged in the mounting cavity;
the heating assembly comprises a temperature control device and a heating device, the temperature control device comprises at least one fuse, a third connecting wire connected with the fuse and a connecting terminal arranged at the end of the third connecting wire, the heating device comprises a heating seat arranged above the pump shell and sealing the pump shell and a heating pipe arranged on the heating seat and arranged in the pump shell, the heating pipe is ring-shaped, two ends of the heating pipe extend out of two mounting heads, the heating pipe is connected with the heating seat, the mounting heads extend out of the upper surface of the heating seat, the ring-shaped part is positioned below the heating seat and arranged in the pump shell, and the mounting heads are connected with the fuse through leads; the heating seat is provided with a connecting hole, the water inlet connecting piece penetrates through the connecting hole to extend out of the upper portion of the heating seat and is fixedly connected with the heating seat, the number of the fuses is two, the fuses are respectively pressed beside two mounting heads on the heating seat through pressure welding pieces, each fuse is connected with a third connecting wire, and the two third connecting wires are converged at the same connecting terminal.
2. A high safety dishwasher wash pump according to claim 1, wherein: the shell consists of a cylindrical shell side wall and a bottom surface integrally formed with the shell side wall, the water outlet and the installation buckle are arranged on the shell side wall, and the installation cavity is arranged on the bottom surface of the shell and is formed by extending the bottom surface into the shell.
3. A high safety dishwasher wash pump according to claim 2, wherein: the internal structure of the mounting cavity is matched with the thermistor.
4. A high safety dishwasher wash pump according to claim 3, wherein: the mounting cavity is provided with an extension sleeve extending downwards relative to the bottom surface.
5. The high safety dishwasher wash pump of claim 4, wherein: the periphery of the bottom surface is provided with a cylindrical extension wall in a downward extending mode, and a wire outlet is arranged at the position, corresponding to the extension sleeve, of the extension wall.
6. A high safety dishwasher wash pump according to claim 5, wherein: the mounting buckle is a conical tube formed by outwards extending the side wall of the pump shell, and the tube orifice at one end of the conical tube far away from the side wall of the pump shell is larger than the tube orifice at one end close to the side wall of the pump shell; through holes which are communicated with the taper pipes and smaller than the pipe orifices of the two taper pipes are arranged at corresponding positions on the side wall of the pump shell.
7. The high safety dishwasher wash pump of claim 6, wherein: the outer wall of the pipe orifice of one end of the conical pipe, which is far away from the side wall of the pump shell, is provided with a buckling clamp, and the switch box is in a circular cover shape and comprises a side wall and an upper wall of the switch box; the side wall of the switch box is provided with a buckling position matched with the buckle.
8. The high safety dishwasher wash pump of claim 7, wherein: the rubber pad is cap-shaped, the inner cavity of the rubber pad faces the switch box, and a driving head matched with the touch head of the control switch is arranged in the inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092214.4A CN108245116B (en) | 2018-01-30 | 2018-01-30 | High dish washer washing pump of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092214.4A CN108245116B (en) | 2018-01-30 | 2018-01-30 | High dish washer washing pump of security |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108245116A CN108245116A (en) | 2018-07-06 |
| CN108245116B true CN108245116B (en) | 2023-11-07 |
Family
ID=62743489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810092214.4A Active CN108245116B (en) | 2018-01-30 | 2018-01-30 | High dish washer washing pump of security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108245116B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109288479B (en) * | 2018-12-12 | 2024-03-22 | 杭州老板电器股份有限公司 | Liner structure and dish washer |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000028878A1 (en) * | 1998-11-13 | 2000-05-25 | Miele & Cie. Gmbh & Co. | Circulating pump, notably for a water-circulating household appliance |
| DE102005043923A1 (en) * | 2004-09-14 | 2006-03-30 | Lg Electronics Inc. | Dishwasher for use in domestic work, has microswitch to control motor driving flow passage control valve, where switch mounting part has positioning parts and locking parts that are formed on outside of underside of sump |
| WO2006136819A2 (en) * | 2005-06-23 | 2006-12-28 | Otter Controls Ltd | Combined heater pump apparatus |
| CN202195572U (en) * | 2011-08-12 | 2012-04-18 | 杭州热威机电有限公司 | Heater combined with pump |
| CN102748329A (en) * | 2011-04-15 | 2012-10-24 | 德昌电机(深圳)有限公司 | Heat pump |
| JP2014087539A (en) * | 2012-10-31 | 2014-05-15 | Panasonic Corp | Dishwasher |
| CN105020180A (en) * | 2014-04-24 | 2015-11-04 | 芜湖美的洗涤电器制造有限公司 | Heating pump for dish-washing machine and dish-washing machine |
| CN106491061A (en) * | 2015-09-07 | 2017-03-15 | 上海威顺电器有限公司 | A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry |
| CN208404483U (en) * | 2018-01-30 | 2019-01-22 | 佛山市永脉家电技术开发有限公司 | A kind of highly-safe Washing pump of bowl-washing machines |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090127B (en) * | 2014-05-20 | 2019-10-11 | 德昌电机(深圳)有限公司 | Heat pump |
-
2018
- 2018-01-30 CN CN201810092214.4A patent/CN108245116B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000028878A1 (en) * | 1998-11-13 | 2000-05-25 | Miele & Cie. Gmbh & Co. | Circulating pump, notably for a water-circulating household appliance |
| DE102005043923A1 (en) * | 2004-09-14 | 2006-03-30 | Lg Electronics Inc. | Dishwasher for use in domestic work, has microswitch to control motor driving flow passage control valve, where switch mounting part has positioning parts and locking parts that are formed on outside of underside of sump |
| WO2006136819A2 (en) * | 2005-06-23 | 2006-12-28 | Otter Controls Ltd | Combined heater pump apparatus |
| CN102748329A (en) * | 2011-04-15 | 2012-10-24 | 德昌电机(深圳)有限公司 | Heat pump |
| CN202195572U (en) * | 2011-08-12 | 2012-04-18 | 杭州热威机电有限公司 | Heater combined with pump |
| JP2014087539A (en) * | 2012-10-31 | 2014-05-15 | Panasonic Corp | Dishwasher |
| CN105020180A (en) * | 2014-04-24 | 2015-11-04 | 芜湖美的洗涤电器制造有限公司 | Heating pump for dish-washing machine and dish-washing machine |
| CN106491061A (en) * | 2015-09-07 | 2017-03-15 | 上海威顺电器有限公司 | A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry |
| CN208404483U (en) * | 2018-01-30 | 2019-01-22 | 佛山市永脉家电技术开发有限公司 | A kind of highly-safe Washing pump of bowl-washing machines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108245116A (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1700719B1 (en) | Electronic wireless tire pressure monitoring apparatus | |
| CN108245116B (en) | High dish washer washing pump of security | |
| CN108309040B (en) | Electric cooker, anti-overflow control device and anti-overflow control method thereof | |
| US10697411B2 (en) | Fuel filter | |
| KR102013051B1 (en) | Integrated sensor | |
| CN208404483U (en) | A kind of highly-safe Washing pump of bowl-washing machines | |
| EP3401595B1 (en) | Gas appliance system with detection of correct installation of flue pipe | |
| CN220206876U (en) | Temperature control probe assembly and combustor comprising same | |
| JP4809275B2 (en) | Underwater heater | |
| KR20170083982A (en) | Device for preventing over heat of gas burner of gas range | |
| CN217086432U (en) | Key structure and electric appliance | |
| CN220229577U (en) | Thermal liner convenient for temperature control reset | |
| CN213715160U (en) | Oxygen sensor and household appliance | |
| JP4288129B2 (en) | rice cooker | |
| CN219061961U (en) | Automatic start-stop device and automatic start-stop system for mine pump | |
| CN217285262U (en) | Button and mattress using same | |
| CN215808679U (en) | Electromagnetic oven | |
| CN111184448A (en) | Interior pot detection device and pot body subassembly and cooking utensil that have it | |
| JPH02239818A (en) | Thermosensor for cooker | |
| CN112180037B (en) | Oxygen sensor and household appliance | |
| CN213429633U (en) | Cooking appliance | |
| CN214072892U (en) | Cover body assembly capable of switching steam valves and electric cooker | |
| CN117308368A (en) | Heating pump | |
| US20170301492A1 (en) | Temperature switch | |
| CN219265516U (en) | Quick temperature sensing panel with anti-drop probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |