CN216621275U - Flow sensor, water pipe assembly, water heater and water heater system - Google Patents
Flow sensor, water pipe assembly, water heater and water heater system Download PDFInfo
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- CN216621275U CN216621275U CN202122707430.5U CN202122707430U CN216621275U CN 216621275 U CN216621275 U CN 216621275U CN 202122707430 U CN202122707430 U CN 202122707430U CN 216621275 U CN216621275 U CN 216621275U
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Abstract
The utility model discloses a flow sensor, a water pipe assembly, a water heater and a water heater system, wherein the flow sensor is arranged in a fluid passage and comprises a rotor and a Hall sensor, the rotor is arranged in the fluid passage and comprises a rotating shaft extending along the fluid passage and a first helical blade arranged on the periphery of the rotating shaft, and the outer edge of the first helical blade is at least provided with a magnetic pole; the Hall sensor is arranged on the outer side of the channel wall of the fluid channel and corresponds to the rotor. The technical scheme of the utility model can increase the capacity of the rotor for absorbing the water flow energy and increase the signal frequency intensity, thereby improving the sensitivity and the accuracy of the flow sensor.
Description
Technical Field
The utility model relates to the technical field of water heaters, in particular to a flow sensor, a water pipe assembly, a water heater and a water heater system.
Background
The flow sensor for the water heater industry is mainly used for judging whether a flow signal exists or not so as to control water outlet and power failure. With the increase of the functions of the water heater, the requirements on the precision and the stability of the flow sensor are gradually higher and higher.
The flow sensor of the existing water heater generally comprises a shell, a magnet rotor, a shell and a Hall sensor, the magnet structure of the flow sensor is generally of a four-piece rectangular structure, and the kinetic energy accuracy of water flow which cannot be well absorbed when the water flow is small is poor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a flow sensor, aiming at improving the accuracy of the flow sensor.
In order to achieve the above object, the present invention provides a flow sensor mounted in a fluid passage, the flow sensor including:
the rotor is arranged in the fluid channel and comprises a rotating shaft extending along the fluid channel and a first spiral blade arranged on the periphery of the rotating shaft, and at least the outer edge of the first spiral blade is provided with a magnetic pole; and
and the Hall sensor is arranged outside the channel wall of the fluid channel and corresponds to the rotor.
Optionally, the first helical blade is made of a magnet material, so that the magnetic pole is formed at the edge of the first helical blade; and/or
The number of the first helical blades is at least two, and the at least two first helical blades are arranged at intervals on the periphery of the rotating shaft; and/or
The number of the first helical blades ranges from 2 to 12.
Optionally, the flow sensor further includes a rotor housing disposed in the fluid passage, the rotor housing having a communication cavity communicating with the fluid passage, the rotor being disposed in the communication cavity.
Optionally, the rotor case includes a first case portion and a second case portion that are spliced to each other to form the communication chamber.
Optionally, the first shell portion and the second shell portion are provided with brackets respectively at communicating ports with the fluid channel, each bracket includes a shaft sleeve and a plurality of blades, two ends of each blade of the first shell portion are respectively connected with the shaft sleeve of the first shell portion and the first shell portion, and two ends of each blade of the second shell portion are respectively connected with the shaft sleeve of the second shell portion and the second shell portion;
one end of the rotating shaft is arranged in the shaft sleeve of the first shell part, and the other end of the rotating shaft is arranged in the shaft sleeve of the second shell part.
Optionally, one of the blades of the first shell portion and the blades of the second shell portion is a second helical blade, and the other is a straight blade.
Optionally, an abutting portion is arranged at one end of the inner side wall of the fluid channel, a first via hole is formed in the abutting portion, the first via hole is communicated with the fluid channel, and the abutting portion abuts against the outer shell portion of the rotor shell.
The utility model also proposes a water pipe assembly for a water heater, the water pipe assembly comprising:
a base provided with a fluid channel;
a communicating tube communicating with the fluid passage; and
in the above flow sensor, the rotor of the flow sensor is disposed in the fluid passage, and the hall sensor of the flow sensor is disposed outside the base.
Optionally, the water pipe assembly further comprises a joint for connecting an external pipeline, a first thread is arranged in a side wall of the first end portion of the base, and a second thread corresponding to the first thread is arranged on the joint; and/or
The water pipe assembly further comprises a fixing piece, a second through hole is formed in the fixing piece, the second through hole is communicated with the fluid channel, the communicating pipe penetrates through the second through hole of the fixing piece and is fixed to the base, the fixing piece is used for being provided with a third thread at one end, fixed to the base, of the base, and a fourth thread corresponding to the third thread is formed in the inner side wall of the second end portion of the base.
Optionally, a mounting groove corresponding to the hall sensor is formed in the outer side wall of the base, and the hall sensor is arranged in the mounting groove.
Optionally, the communicating pipe is a water inlet pipe of the water heater, the base is a water inlet joint of the water heater, and the communicating pipe is connected with a water outlet end of the base; or
The communicating pipe is a water outlet pipe of the water heater, the base is a water outlet connector of the water heater, and the water outlet pipe is connected with a water inlet end of the base.
The utility model also provides a water heater, which comprises the water pipe assembly.
The present invention also provides a water heater system comprising:
a water heater;
an external pipe connected with the water heater; and
the flow sensor, the rotor of the flow sensor is arranged in the external pipeline, and the Hall sensor of the flow sensor is arranged outside the external pipeline.
The flow sensor at least comprises the following beneficial effects:
the rotor is arranged in the fluid channel, the rotor comprises a rotating shaft extending along the fluid channel and a first helical blade arranged on the periphery of the rotating shaft, and the outer edge of the first helical blade is at least provided with a magnetic pole; the Hall sensor is arranged on the outer side of the channel wall of the fluid channel and corresponds to the rotor. The blades of the rotor are arranged into a spiral structure, so that the blades of the rotor can well absorb the kinetic energy of water flow, the sensitivity of the rotor to the water flow is increased, the rotating speed of the rotor is increased, and the rotating stability of the rotor can be increased; when the flow in the fluid channel reaches 0.45L/min, the rotor outputs a flow signal, so that the water flow can be monitored in real time, and a module basis is provided for functions related to the flow; therefore, the technical scheme of the utility model solves the problem of accuracy of the original flow sensor structure and improves the sensitivity and accuracy of the flow sensor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a water hose assembly according to the present invention;
FIG. 2 is a schematic cross-sectional view of a water hose assembly;
FIG. 3 is an exploded view of a perspective view of the flow sensor, base and fitting of the water hose assembly;
FIG. 4 is an exploded view of another perspective of the flow sensor, base and fitting of the water hose assembly;
FIG. 5 is a cross-sectional structural view of the flow sensor, base and fitting of the water hose assembly.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
110 | |
| 120 | First |
200 | |
| 300 | |
310 | |
| 320 | |
330 | |
| 331 | |
332 | |
| 400 | |
410 | |
| 411 | Abutting |
411a | A |
| 420 | |
430 | |
| 440 | |
500 | Communicating |
| 600 | |
610 | |
| 700 | |
710 | Second via |
| 720 | |
800 | Electricity-proof wall |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a flow sensor.
Referring to fig. 4 and 5, in an embodiment of the present invention, the flow sensor is mounted in a fluid passage 410, the flow sensor includes a rotor 100 and a hall sensor 200, the rotor 100 is disposed in the fluid passage 410, and includes a rotating shaft 110 extending along the fluid passage 410, a first spiral blade 120 disposed on an outer circumference of the rotating shaft 110, and the first spiral blade 120 is provided with a magnetic pole at least at an outer edge; the hall sensor 200 is provided outside the channel wall of the fluid channel 410 and is disposed corresponding to the rotor 100.
Specifically, the blades of the rotor 100 are arranged in a spiral structure, so that the blades of the rotor 100 can absorb kinetic energy of water flow well, sensitivity of the rotor 100 to water flow is increased, rotation speed of the rotor 100 is increased, and rotation stability of the rotor 100 can be increased; when the flow in the fluid channel 410 reaches 0.45L/min, the rotor 100 outputs a flow signal, so that the water flow can be monitored in real time, and a module basis is provided for functions related to the flow; therefore, the technical scheme of the utility model solves the problem of accuracy of the original flow sensor structure and improves the sensitivity and accuracy of the flow sensor.
Optionally, the material of the first helical blade 120 is a magnet material, so that the edge of the first helical blade 120 forms a magnetic pole; and/or, at least two first helical blades 120 are provided, and the at least two first helical blades 120 are arranged at intervals on the periphery of the rotating shaft 110; and/or the number of first helical blades 120 ranges from 2 to 12.
Specifically, in one embodiment, the material of the first helical blade 120 is a magnet material, so that the edge of the first helical blade 120 forms a magnetic pole; the helical blade has good integrity and simple processing technology, and is beneficial to improving the production efficiency. Of course, the present invention is not limited thereto, and in other embodiments, the material of the first helical blade 120 may also be a non-magnetic material, such as but not limited to plastic, alloy, etc., and a magnetic pole is additionally installed on the outer edge of the first helical blade 120.
Further, in one embodiment, at least two first helical blades 120 are provided, and the at least two first helical blades 120 are spaced apart from each other at the outer circumference of the rotating shaft 110; at least two first helical blades 120 are provided for splitting, so that kinetic energy of water can be better utilized, which is beneficial to increasing the sensitivity of the rotor 100 to water flow, and further increasing the rotation speed of the rotor 100.
Alternatively, in an embodiment, the number of the first helical blades 120 ranges from 2 to 12, because if the first helical blades 120 are arranged too much, the speed of the water flow is hindered, thereby reducing the hydrodynamic energy generated by the water flow, and finally causing the sensitivity of the rotor 100 to be reduced, and if the number of the first helical blades 120 is 1, the swing of the rotor 100 is easily out of balance, thereby not using the kinetic energy of the water well. Of course, the present invention is not limited thereto, and in other embodiments, the number of the first helical blades 120 may also be 14.
Optionally, the flow sensor further includes a rotor case 300 provided in the fluid passage 410, the rotor case 300 having a communication chamber communicating with the fluid passage 410, the rotor 100 being provided in the communication chamber. The arrangement of the rotor case 300 can better determine the position of the rotor 100, thereby facilitating the determination of the corresponding mounting position of the hall sensor 200; this is because the hall sensor 200 needs to sense the rotation speed of the rotor 100, and the two are correspondingly installed to facilitate improvement of the sensing accuracy of the hall sensor 200; the rotor case 300 is provided to protect the rotor 100 better. Of course, the present invention is not limited thereto, and in other embodiments, the rotor 100 may be directly disposed in the fluid channel 410.
Alternatively, the rotor case 300 includes first and second case portions 310 and 320, and the first and second case portions 310 and 320 are spliced to each other to form a communication chamber. It can be appreciated that the rotor case 300 is divided into the first case portion 310 and the second case portion 320 which are spliced with each other, which facilitates the installation and removal of the rotor 100 and also facilitates the cost reduction, for example, but not limited to, when the rotor 100 is damaged, only the damaged rotor 100 can be replaced without replacing the rotor 100 and the rotor case 300. Of course, the utility model is not limited thereto, and in other embodiments, the rotor casing 300 may be an integrally formed housing.
Furthermore, the spliced rotor shell 300 is convenient to mount and dismount, the splicing mounting steps are simple, generally only one pushing action needs to be carried out, the rotating motion or the product positioning work before mounting is not needed, the operation is fast and simple, and the mounting efficiency is improved. Of course, the utility model is not limited thereto, and in the second embodiment, the connection manner of the first housing portion 310 and the second housing portion 320 may also be a snap connection. The connection mode installation of buckle is dismantled conveniently, can accomplish to exempt from the instrument and dismantle, need not to cooperate extra material like screw fastener in the installation, consequently the installation is detained the position and is low-cost. The installation process of the buckling position is very simple, generally only one stabbing action is needed, the rotary motion or the product positioning before installation is not needed, and the operation is fast and simple. Of course, the present invention is not limited thereto, and in the third embodiment, the first housing portion 310 and the second housing portion 320 may be connected by bonding. The bonded connection mode has good connection tightness, simple process, low manufacturing cost and smooth joint, is beneficial to ensuring the air tightness in the rotor shell 300 and preventing water from seeping out from the connection gap between the first shell part 310 and the second shell part 320.
Optionally, the splicing opening of the first shell portion 310 is stepped, and the splicing opening of the second shell portion 320 is disposed corresponding to the splicing opening of the first shell portion 310. The stepped splicing opening is beneficial to increasing the contact area of splicing, so that the connection stability of the first shell part 310 and the second shell part 320 is increased, and the stepped splicing opening is also beneficial to retaining water, so that water in the rotor shell 300 is prevented from seeping out of the splicing opening, the water pressure in the rotor shell 300 is reduced, the rotating speed of the rotor 100 is influenced, and finally the sensitivity of the flow sensor is reduced. Of course, the present invention is not limited thereto, and in other embodiments, the joint opening of the first shell portion 310 may also be a slant surface.
Optionally, a bracket 330 is arranged on the communication ports of the first shell portion 310 and the second shell portion 320 and the fluid channel 410, the bracket 330 includes a shaft sleeve 331 and a plurality of vanes 332, two ends of the vane 332 of the first shell portion 310 are respectively connected with the shaft sleeve 331 of the first shell portion 310 and the first shell portion 310, and two ends of the vane 332 of the second shell portion 320 are respectively connected with the shaft sleeve 331 of the second shell portion 320 and the second shell portion 320; one end of the rotation shaft 110 is disposed in the shaft sleeve 331 of the first housing portion 310, and the other end of the rotation shaft 110 is disposed in the shaft sleeve 331 of the second housing portion 320.
In particular, the arrangement of the shaft sleeve 331 is beneficial to limiting the position of the helical rotor 100 in the rotor shell 300, which is beneficial to improving the sensitivity of the hall element sensing, and thus improving the sensitivity and accuracy of the flow sensor. Of course, the present invention is not limited thereto, and in other embodiments, the first housing portion 310 and the second housing portion 320 may be provided with shaft holes opposite to the rotating shaft 110, one end of the rotating shaft 110 is disposed in the shaft hole of the first housing portion 310, and the other end of the rotating shaft 110 is disposed in the shaft hole of the second housing portion 320.
Further, the connecting ports of the first and second housing portions 310 and 320 and the fluid channel 410 are provided with a plurality of vanes 332, which are beneficial to generating a vortex by splitting when water enters the rotor housing 300, and increasing hydrodynamic energy, which is beneficial to increasing the rotation speed of the rotor 100.
Alternatively, one of the blades 332 of the first shell portion 310 and the blades 332 of the second shell portion 320 is a second helical blade, and the other is a straight blade.
It should be noted that one end of the rotor case 300 on which the second helical blade is arranged is a water inlet end of the flow sensor, and one end on which the straight blade is arranged is a water outlet end of the flow sensor. The second spiral blade is provided at the water inlet end of the rotor case 300, which is advantageous in forming a water vortex at the water inlet of the rotor case 300, and thus driving the rotor 100 to rotate by using the hydrodynamic force of the vortex. The water outlet end of the rotor case 300 is designed to be a straight blade for avoiding the flow sensor from sending out false information, for example, but not limited to, if both ends of the rotor case 300 are designed to be helical blades, when the flow sensor is applied to a water heater, the flow sensor can reversely push the rotor 100 to rotate under the condition of pressure in a water heater liner, which may cause the hall sensor 200 to misjudge that the flow is generated. In addition, the general heating control program takes the flow sensing signal as a switching signal, and the heating control program with the flow sensing signal can misunderstand that the user uses water, so that the heating control program actually causes wrong heating, and further causes over-temperature fault reporting. Of course, the present invention is not limited thereto, and in other embodiments, the blades 332 on the first and second shell portions 310 and 320 may be disposed as straight blades.
Optionally, one end of the inner sidewall of the fluid channel 410 is provided with a contact portion 411, the contact portion 411 is provided with a first through hole 411a, the first through hole 411a is communicated with the fluid channel 410, and the contact portion 411 is contacted with the outer shell portion of the rotor shell 300. The setting of butt portion 411 restricts the position of rotor shell 300 in fluid passage 410, avoids the installation and the hall element dislocation mounting of rotor shell 300, and butt portion 411 be provided with and do benefit to the installation and the dismantlement that make things convenient for rotor shell 300 in addition, only need put fluid passage 410 with rotor shell 300 during the installation in, rotor shell 300 will be automatic with butt portion 411 butt, only need fixed rotor shell 300 the other end can, be favorable to improving the installation effectiveness. Similarly, when the rotor housing 300 needs to be disassembled, the other end of the rotor housing 300 is disassembled, and the fluid passage 410 is placed upside down, so that the rotor housing 300 will automatically cut out the fluid passage 410. The arrangement of the abutting portion 411 is also beneficial to avoiding additional fixing pieces 700 such as screws, adhesives and the like, so that the production cost can be saved, the connection process can be reduced, and the installation efficiency can be improved. Of course, the utility model is not limited thereto, and in other embodiments, a splicing portion may be disposed at one end of the rotor casing 300, and a splicing position corresponding to the splicing portion may be disposed on an inner sidewall of the fluid channel 410.
Further, the abutment portion 411 is an abutment ring extending inward from the inner side wall of the fluid passage 410, and such an abutment ring is advantageous for increasing the abutment stability of the outer shell portion of the rotor case 300 with the abutment portion 411. Of course, the present invention is not limited thereto, and in other embodiments, the abutting portion 411 may also be a plurality of abutting protrusions extending inward from the inner sidewall of the fluid channel 410.
Referring to fig. 1 to 3, the present invention further provides a water pipe assembly for a water heater, where the water pipe assembly includes a base 400, a communicating pipe 500 and a flow sensor, and the specific structure of the flow sensor refers to the above embodiments. The base 400 is provided with a fluid channel 410, the communication pipe 500 is communicated with the fluid channel 410, the rotor 100 of the flow sensor is arranged in the fluid channel 410, and the hall sensor 200 of the flow sensor is arranged outside the base 400.
Optionally, the water pipe assembly further comprises a connector 600 for connecting an external pipeline, a first thread 420 is provided in a sidewall of the first end portion of the base 400, and the connector 600 is provided with a second thread 610 corresponding to the first thread 420; and/or, the water pipe assembly further includes a fixing member 700, a second through hole 710 is formed in the fixing member 700, the second through hole 710 is communicated with the fluid channel 410, the communicating pipe 500 passes through the second through hole 710 of the fixing member 700 and is fixed with the base 400, a third thread 720 is formed at one end of the fixing member 700, which is used for being fixed with the base 400, and a fourth thread 430 corresponding to the third thread 720 is formed on the inner side wall of the second end portion of the base 400.
Specifically, in one embodiment, the water pipe assembly further includes a connector 600 for connecting an external pipeline, a first screw thread 420 is provided in a sidewall of the first end portion of the base 400, and the connector 600 is provided with a second screw thread 610 corresponding to the first screw thread 420. The first screw 420 is provided in the sidewall of the first end of the base 400, and the joint 600 is connected to the base 400 in a fitting manner, so that the joint 600 is more tightly connected to the base 400, and water is prevented from leaking out from the joint between the joint 600 and the base 400, and the joint can perform a sealing function. Of course, the present invention is not limited thereto, and in the second embodiment, the first screw 420 may be provided on the inner wall surface of the first end portion of the base 400, and the second screw 610 corresponding to the first screw 420 may be provided on the outer wall surface of the joint 600. Of course, the present invention is not limited to this, and in the third embodiment, the first screw 420 may be provided on the outer wall surface of the first end portion of the base 400, and the second screw 610 corresponding to the first screw 420 may be provided on the inner wall surface of the joint 600.
Further, the base 400 and the joint 600 can be conveniently connected and detached due to the arrangement of the first threads 420 and the second threads 610, the joint 600 and the base 400 can be separated only by rotating the joint 600 when the base 400 and the joint 600 are connected and detached, the installation and the detachment are fast and convenient, and the operation efficiency is improved. Of course, the utility model is not limited thereto, and in other embodiments, the connection manner between the joint 600 and the base 400 may be adhesion.
Further, in an embodiment, the water pipe assembly further includes a fixing member 700, a second through hole 710 is formed in the fixing member 700, the second through hole 710 is communicated with the fluid channel 410, the communicating pipe 500 passes through the second through hole 710 of the fixing member 700 and is fixed to the base 400, a third thread 720 is formed at one end of the fixing member 700, which is fixed to the base 400, and a fourth thread 430 corresponding to the third thread 720 is formed on an inner side wall of the second end portion of the base 400. The fixing member 700 is provided to increase the connection efficiency between the base 400 and the communication pipe 500, and the detachable connection between the communication pipe 500 and the base 400 can be realized, which is advantageous to reduce the production cost, for example, but not limited thereto, when the base 400 or the communication pipe 500 is damaged, only the damaged base 400 or communication pipe 500 can be replaced, and the entire water pipe assembly is not replaced. Of course, the utility model is not limited thereto, and in other embodiments, the base 400 and the communication pipe 500 may be directly bonded without using the fixing member 700.
Further, the end of the fixing member 700 fixed to the base 400 is provided with a third thread 720, and the inner side wall of the second end of the base 400 is provided with a fourth thread 430 corresponding to the third thread 720, it can be understood that the base 400 and the fixing member 700 are in threaded connection, the threaded connection is simple to manufacture and use, the structure is simple, the connection is reliable, the assembly and disassembly are convenient, the material and the energy are saved, the universality is good and is not limited by the connecting material, when the fixing member 700 is connected or disassembled, the fixing member 700, the communicating pipe 500 and the base 400 are connected or disassembled only by rotating the casing of the fixing member 700, of course, the utility model is not limited thereto, and in other embodiments, the fixing member 700 can be directly bonded to the base 400.
Further, in the second embodiment, the water pipe assembly further includes a joint 600 for connecting an external pipe, a first screw thread 420 is provided in a sidewall of the first end portion of the base 400, and the joint 600 is provided with a second screw thread 610 corresponding to the first screw thread 420; the water pipe assembly further includes a fixing member 700, a second through hole 710 is formed in the fixing member 700, the second through hole 710 is communicated with the fluid channel 410, the communicating pipe 500 passes through the second through hole 710 of the fixing member 700 and is fixed to the base 400, a third thread 720 is formed at one end of the fixing member 700, which is fixed to the base 400, and a fourth thread 430 corresponding to the third thread 720 is formed on an inner side wall of a second end portion of the base 400.
Optionally, a mounting groove 440 corresponding to the hall sensor 200 is provided on an outer sidewall of the base 400, and the hall sensor 200 is disposed in the mounting groove 440. The setting of mounting groove 440 avoids hall sensor 200 protrusion and base 400, increases the stability of being connected of base 400 and hall sensor 200, and the setting of mounting groove 440 is in the time of not influencing base 400 self structural strength moreover for rotor 100 is pressed close to more to hall sensor 200, increases hall sensor 200 and responds to rotor 100 pivoted sensitivity. Of course, the utility model is not limited thereto, and in other embodiments, the hall sensor 200 may be directly disposed on the base 400 without adding the mounting groove 440.
Further, the connection mode of the hall sensor 200 and the base 400 is screw locking connection, the processing requirement of the screw locking connection mode is low, the structure is simple, the assembly and disassembly are convenient, and the screw price is low, so that the installation efficiency of the water pipe assembly is improved, and the production cost is reduced. Of course, the utility model is not limited thereto, and in other embodiments, the connection manner between the hall sensor 200 and the base 400 may be adhesion.
Optionally, the communicating tube 500 is an inlet tube of the water heater, the base 400 is an inlet joint of the water heater, and the communicating tube 500 is connected with an outlet end of the base 400; or, the communicating pipe 500 is a water outlet pipe of the water heater, the base 400 is a water outlet connector of the water heater, and the water outlet pipe is connected with a water inlet end of the base 400.
Specifically, in the first embodiment, the communicating pipe 500 is an inlet pipe of the water heater, the base 400 is an inlet joint of the water heater, and the communicating pipe 500 is connected with an outlet end of the base 400. Furthermore, the inside of the water inlet pipe is also provided with an electricity-proof wall 800, and the electricity-proof wall 800 is arranged for isolating the current charged in water caused by the electric leakage of the heating pipe in the heating liner and isolating the damage to a bather caused by the charged ground wire or the charged water pipe. Of course, the present invention is not limited thereto, and in the second embodiment, the communicating pipe 500 is an outlet pipe of the water heater, the base 400 is an outlet connector of the water heater, and the outlet pipe is connected to the water inlet end of the base 400.
Further, when the connection pipe 500 is a water inlet pipe of a water heater, the connection process of the water pipe assembly is as follows, the electricity-proof wall 800 is screwed with the base 400 through the third screw 720 and the fourth screw 430 from the second through hole 710 of the fixing member 700, and then the electricity-proof wall 800 and the rotor case 300 are tightly abutted together, so that the connection of the electricity-proof wall 800 and the base 400 is realized, and finally the water inlet pipe is connected with the fixing member 700.
The utility model further provides a water heater, which comprises a water pipe assembly, the specific structure of the water pipe assembly refers to the above embodiments, and the water heater adopts all the technical schemes of all the above embodiments, so that the water heater at least has all the beneficial effects brought by the technical schemes of the above embodiments, and the details are not repeated.
The utility model further provides a water heater system, which comprises a water heater, an external pipeline and a flow sensor, wherein the specific structure of the flow sensor refers to the above embodiments, and the water heater system adopts all the technical schemes of all the above embodiments, so that the water heater system at least has all the beneficial effects brought by the technical schemes of the above embodiments, and the detailed description is omitted. The external pipeline is connected with the water heater, the rotor of the flow sensor is arranged in the external pipeline, and the Hall sensor of the flow sensor is arranged on the outer side of the external pipeline.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (13)
1. A flow sensor mounted to a fluid passageway, the flow sensor comprising:
the rotor is arranged in the fluid channel and comprises a rotating shaft extending along the fluid channel and a first spiral blade arranged on the periphery of the rotating shaft, and at least the outer edge of the first spiral blade is provided with a magnetic pole; and
and the Hall sensor is arranged outside the channel wall of the fluid channel and corresponds to the rotor.
2. The flow sensor according to claim 1, wherein the first helical blade is made of a magnetic material, such that the edge of the first helical blade forms the magnetic pole; and/or
The number of the first spiral blades is at least two, and the at least two first spiral blades are arranged at intervals on the periphery of the rotating shaft; and/or
The number of the first helical blades ranges from 2 to 12.
3. The flow sensor of claim 1 further comprising a rotor housing disposed within the fluid passageway, the rotor housing having a communication chamber in communication with the fluid passageway, the rotor being disposed within the communication chamber.
4. The flow sensor of claim 3, wherein the rotor housing comprises first and second housing portions that are spliced together to form the communication chamber.
5. The flow sensor according to claim 4, wherein the first shell portion and the second shell portion are provided with a bracket respectively at the communication ports with the fluid channel, the bracket comprises a shaft sleeve and a plurality of blades, two ends of the blade of the first shell portion are respectively connected with the shaft sleeve of the first shell portion and the first shell portion, and two ends of the blade of the second shell portion are respectively connected with the shaft sleeve of the second shell portion and the second shell portion;
one end of the rotating shaft is arranged in the shaft sleeve of the first shell part, and the other end of the rotating shaft is arranged in the shaft sleeve of the second shell part.
6. The flow sensor of claim 5, wherein one of the first and second housing portions is a second helical blade and the other is a straight blade.
7. The flow sensor according to claim 3, wherein an abutting portion is provided at one end of the inner side wall of the fluid channel, a first through hole is provided in the abutting portion, the first through hole communicates with the fluid channel, and the abutting portion abuts against the outer shell portion of the rotor shell.
8. A water tube assembly for a water heater, comprising:
a base provided with a fluid channel;
a communicating tube communicating with the fluid passage; and
the flow sensor according to any one of claims 1 to 7, wherein the rotor of the flow sensor is disposed within the fluid channel, and the Hall sensor of the flow sensor is disposed outside the base.
9. The water hose assembly according to claim 8, further comprising a fitting for connecting to an external pipeline, wherein the first end of the base has a first thread formed in a sidewall thereof, and wherein the fitting has a second thread corresponding to the first thread; and/or
The water pipe assembly further comprises a fixing piece, a second through hole is formed in the fixing piece, the second through hole is communicated with the fluid channel, the communicating pipe penetrates through the second through hole of the fixing piece and is fixed to the base, the fixing piece is used for being provided with a third thread at one end, fixed to the base, of the base, and a fourth thread corresponding to the third thread is formed in the inner side wall of the second end portion of the base.
10. The water pipe assembly according to claim 8, wherein the outer side wall of the base is provided with a mounting groove corresponding to the hall sensor, and the hall sensor is arranged in the mounting groove.
11. The water hose assembly according to claim 9 or 10, wherein the communication tube is an inlet tube of the water heater, the base is an inlet fitting of the water heater, and the communication tube is connected to an outlet end of the base; or
The communicating pipe is a water outlet pipe of the water heater, the base is a water outlet connector of the water heater, and the water outlet pipe is connected with a water inlet end of the base.
12. A water heater including a water tube assembly as claimed in any one of claims 9 to 11.
13. A water heater system, comprising:
a water heater;
an external pipe connected with the water heater; and
the flow sensor according to any one of claims 1 to 7, wherein the rotor of the flow sensor is disposed inside the external pipe, and the Hall sensor of the flow sensor is disposed outside the external pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122707430.5U CN216621275U (en) | 2021-11-05 | 2021-11-05 | Flow sensor, water pipe assembly, water heater and water heater system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122707430.5U CN216621275U (en) | 2021-11-05 | 2021-11-05 | Flow sensor, water pipe assembly, water heater and water heater system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216621275U true CN216621275U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122707430.5U Active CN216621275U (en) | 2021-11-05 | 2021-11-05 | Flow sensor, water pipe assembly, water heater and water heater system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216621275U (en) |
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2021
- 2021-11-05 CN CN202122707430.5U patent/CN216621275U/en active Active
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