CN219994516U - High-precision electronic water valve structure - Google Patents
High-precision electronic water valve structure Download PDFInfo
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- CN219994516U CN219994516U CN202321453190.3U CN202321453190U CN219994516U CN 219994516 U CN219994516 U CN 219994516U CN 202321453190 U CN202321453190 U CN 202321453190U CN 219994516 U CN219994516 U CN 219994516U
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- actuator
- gear
- valve body
- valve
- electronic water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 9
- 230000006698 induction Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Abstract
The utility model discloses a high-precision electronic water valve structure, which relates to the technical field of water valve bodies and comprises a valve body valve core, wherein a magnetic cake is connected to the shaft end of the valve body valve core; the valve body valve core is connected with an actuator output gear, the actuator output gear is connected with a mounting cylinder, an internal spline is arranged in the mounting cylinder, and an external spline connected with the internal spline is arranged on the valve body valve core; the actuator output gear is connected with a transmission structure, and the transmission structure is connected with a driving structure. The influence of factors such as the clearance difference between the internal spline of the output gear of the actuator and the external spline of the valve body valve core, the shaking difference of the output gear in the actuator, the clearance difference of each gear and the like on the precision is avoided, the precision of the mode switching of the electronic water valve is improved, the error of a detection result is reduced, and the reliability and the practicability of the electronic water valve are improved; the volume of the magnetic cake connected to the shaft end of the valve body valve core is far smaller than that of the magnetic ring of the actuator which is arranged on the output gear of the actuator at present, and the effect of reducing the cost of magnetic consumption is also achieved.
Description
Technical Field
The utility model relates to the technical field of water valve bodies, in particular to a high-precision electronic water valve structure.
Background
The electronic water valve is divided into an actuator and a valve body, when the valve body mode is switched, the controller gives out a signal to drive the actuator to rotate, and the actuator is matched with an external spline of a valve body valve core through an internal spline of an output shaft to drive the valve body to rotate, so that the purpose of switching the valve body mode is achieved. The mode switching of the actuator is realized by sensing a magnetic ring integrally molded by an output gear and a Hall element of soldering tin on a PCBA right below the magnetic ring, outputting a Hall real-time feedback voltage, and transmitting the Hall real-time feedback voltage to a controller for control, so that the mode switching of an electronic water valve is satisfied.
In the current electronic water valve structure, an induction magnetic ring and an output gear are integrated into an injection molding mode.
The existing electronic water valve structure has the following defects: the Hall element actually senses the real-time position of the output gear, the output gear is connected with the valve core through the internal and external splines to drive the valve body to switch modes, and the mode switching mode has precision difference and is mainly embodied in factors such as the difference of the installation positions of the actuator and the valve body, the fit clearance difference of the internal spline of the output gear of the actuator and the external spline of the valve core of the valve body, the shake difference of the output gear in the actuator, the clearance difference of each gear piece and the like, and the factors can seriously influence the effectiveness and the accuracy of the mode switching of the electronic water valve. The structure is difficult to meet the use requirement of the electronic water valve on high precision. Therefore, the current electronic water valve structure has the problem of low mode switching precision.
Disclosure of Invention
The utility model aims to solve the technical problem that the mode switching precision is low in the existing electronic water valve structure, and aims to provide a high-precision electronic water valve structure which solves the problem that the mode switching precision is low in the existing electronic water valve structure.
The utility model is realized by the following technical scheme:
the high-precision electronic water valve structure comprises a valve body valve core, wherein a magnetic cake is connected to the shaft end of the valve body valve core; the valve body valve core is connected with an actuator output gear, an installation cylinder is connected to the actuator output gear, an internal spline is arranged in the installation cylinder, and an external spline connected with the internal spline is arranged on the valve body valve core; the actuator output gear is connected with a transmission structure, and the transmission structure is connected with a driving structure.
The magnetic cake of the magnetic signal source for angle or position detection is fixed on the shaft end of the valve body valve core and rotates along with the valve core, the PCBA Hall element inside the actuator senses the magnetic induction intensity of the magnetic signal source integrated with the valve body valve core at intervals, and the real-time position of the valve body valve core can be directly sensed.
Further, the magnetic cake and the shaft end of the valve body valve core are of an integral injection molding structure.
Further, the magnetic cake is adhered to the shaft end of the valve core of the valve body.
Further, the magnetic cake is pressed at the shaft end of the valve core of the valve body in an interference manner.
The above three connection modes can realize the connection of the magnetic cakes, wherein the structure of adhesion and integral injection molding is preferable.
Further, the transmission structure comprises a first actuator gear meshed with the actuator output gear, a second actuator gear meshed with the first actuator gear, and the second actuator gear is driven by the driving structure.
Further, the driving structure comprises a driving motor, and an actuator worm meshed with the second actuator gear is connected to an output shaft of the driving motor.
Further, the first actuator gear and the second actuator gear are both formed by a large gear and a small gear, the large gear of the first actuator gear is meshed with the small gear of the second actuator gear, and the small gear of the first actuator gear is meshed with the actuator output gear.
In the actual operation process, after the driving motor is started, the actuator worm connected with the driving motor rotates, so that the second actuator gear meshed with the actuator worm rotates, the pinion of the second actuator gear transmits power to the large gear of the first actuator gear meshed with the pinion, and meanwhile, the pinion connected with the large gear of the first actuator gear transmits power to the actuator output gear, namely the valve body valve core connected with the actuator output gear can be driven to rotate, and the rotation of a magnetic cake connected to the shaft end of the valve body valve core is realized.
Further, the large gear and the small gear of the first actuator gear and the second actuator gear are of an integral injection molding structure.
Furthermore, the valve core of the valve body is of a cylindrical structure with a valve cavity.
Further, the actuator output gear and the mounting cylinder are of an integral injection molding structure.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
(1) The magnetic cake of the magnetic signal source for angle or position detection is fixed on the shaft end of the valve body valve core and rotates along with the valve core, the PCBA Hall element in the actuator can sense the magnetic induction intensity of the magnetic signal source integrated with the valve body valve core at intervals, and the real-time position of the valve body valve core can be directly sensed;
(2) The magnetic cake is arranged at the shaft end of the valve body valve core, so that the magnetic cake and the valve body valve core are arranged in the installation cylinder of the actuator output gear together, and the effect of improving the space utilization rate of the whole electronic water valve is achieved;
(3) The volume of the magnetic cake connected to the shaft end of the valve body valve core is far smaller than that of the magnetic ring of the actuator installed on the output gear of the actuator at present, so that the effect of reducing the cost of magnetic consumption is also achieved.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a longitudinal exploded view of a high precision electronic water valve structure of the present utility model;
FIG. 2 is a schematic diagram of a high-precision electronic water valve structure according to the present utility model;
FIG. 3 is a schematic diagram of the connection structure among the output gear of the actuator, the first actuator gear, and the second actuator gear according to the present utility model;
fig. 4 is a graph showing the comparison of the results of the detection using the electronic water valve structure of example 1 and the conventional electronic water valve structure.
In the drawings, the reference numerals and corresponding part names:
01-PCBA Hall component, 02-driving motor, 03-actuator worm, 04-magnetic cake, 05-valve body valve core, 06-second actuator gear, 07-first actuator gear, 08-mounting cylinder, 09-actuator output gear.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, connected or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, 2 and 3, the embodiment provides a high-precision electronic water valve structure, which comprises a valve body valve core 05, wherein a magnetic cake 04 is connected to the shaft end of the valve body valve core 05; the valve body valve core 05 is connected with the actuator output gear 09, the actuator output gear 09 is connected with the mounting cylinder 08, an internal spline is arranged in the mounting cylinder 08, and an external spline connected with the internal spline is arranged on the valve body valve core 05; the actuator output gear 09 is connected with a transmission structure, and a driving structure is connected to the transmission structure.
Specifically, the magnetic cake 04 and the shaft end of the valve body valve core 05 are of an integral injection molding structure.
Specifically, the transmission structure includes a first actuator gear 07 meshed with the actuator output gear 09, and a second actuator gear 06 meshed with the first actuator gear 07 is driven by the driving structure.
Specifically, the driving structure includes a driving motor 02, and an actuator worm 03 meshed with the second actuator gear 06 is connected to an output shaft of the driving motor 02.
Specifically, the first actuator gear 07 and the second actuator gear 06 are each formed of a large gear and a small gear, the large gear of the first actuator gear 07 is meshed with the small gear of the second actuator gear 06, and the small gear of the first actuator gear 07 is meshed with the actuator output gear 09. In the actual running process, after the driving motor 02 is started, the actuator worm 03 connected with the driving motor 02 rotates, so that the second actuator gear 06 meshed with the actuator worm 03 rotates, the pinion gear of the second actuator gear 06 transmits power to the large gear of the first actuator gear 07 meshed with the second actuator gear 06, and meanwhile, the pinion gear connected with the large gear of the first actuator gear 07 transmits power to the actuator output gear 09, namely the valve body valve core 05 connected with the actuator output gear 09 can be driven to rotate, namely the rotation of the magnetic cake 04 connected to the shaft end of the valve body valve core 05 is realized.
Specifically, the large gear and the small gear of the first actuator gear 07 and the second actuator gear 06 are both integrally injection-molded structures.
Specifically, the valve body spool 05 has a cylindrical structure with a valve cavity.
Specifically, the actuator output gear 09 and the mounting cylinder 08 are integrally injection-molded.
The valve core valve body with the valve cavity is a path for mode switching internal fluid flow.
The driving motor 02 is a power source for switching the whole electronic water valve mode.
The actuator worm 03, the actuator output gear 09, the first actuator gear 07 and the second actuator gear 06 are gear transmission components, and are used for amplifying the output torque of the motor to drive the valve body and the valve core 05 to rotate, so that the purpose of mode switching is achieved.
The magnetic cake 04 is in a round cake shape and is used for providing magnetic induction intensity for the PCBA Hall element 01 of the actuator so that the PCBA Hall element 01 of the actuator feeds back the position of the valve core to the controller to achieve the purpose of mode switching.
Wherein, the PCBA Hall element 01 is a key component for feeding back the position of the valve body valve core 05, and confirms the real-time position of the valve body valve core 05 through sensing with the magnetic cake 04 of the valve body valve core 05, thereby achieving the purpose of mode switching.
Working principle: the controller gives a Hall voltage signal to an actuator, so that a driving motor 02 operates, the mode is switched by driving a valve body valve core 05 to rotate through an actuator worm 03, an actuator output gear 09, a first actuator gear 07 and a second actuator gear 06, in the switching process, a magnet cake 04 connected with the shaft end of the valve body valve core 05 by an actuator PCBA Hall element 01 generates induction, then the actuator PCBA Hall element 01 feeds back the real-time Hall voltage of the valve body valve core 05 at the moment, and the Hall voltage is transmitted to the controller until the valve body valve core 05 reaches a Hall voltage value given by the controller.
The magnetic cake 04 of the magnetic signal source for angle or position detection is fixed on the shaft end of the valve body valve core 05 and rotates along with the valve core, PCBA Hall components inside the actuator can sense the magnetic induction intensity of the magnetic signal source integrated with the valve body valve core 05 at intervals, and the real-time position of the valve body valve core 05 can be directly sensed.
Experimental detection
The electronic water valve structure in the embodiment 1 and the existing electronic water valve structure are respectively detected under the same condition, the detection results are shown in fig. 4, and the curve data in the graph show that the accuracy of the detection results of the electronic water valve in the embodiment 1 is far higher than that of the electronic water valve in the prior art that a magnet sensor is connected to an actuator output gear 09, so that the effect of improving the detection accuracy of the electronic water valve is realized by adopting the technical scheme of the utility model, and the detection results are more accurate and reliable.
Example 2
Based on embodiment 1, this embodiment provides a high-precision electronic water valve structure, unlike embodiment 1, the magnetic cake 04 of this embodiment is bonded to the shaft end of the valve body spool 05.
Example 3
Based on embodiment 1, this embodiment provides a high-precision electronic water valve structure, unlike embodiment 1, the magnetic cake 04 of this embodiment is press-fitted on the shaft end of the valve body spool 05 in an interference manner.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The high-precision electronic water valve structure comprises a valve body valve core (05) and is characterized in that a magnetic cake (04) is connected to the shaft end of the valve body valve core (05); the valve body valve core (05) is connected with an actuator output gear (09), an installation cylinder (08) is connected to the actuator output gear (09), an internal spline is arranged in the installation cylinder (08), and an external spline connected with the internal spline is arranged on the valve body valve core (05); the actuator output gear (09) is connected with a transmission structure, and the transmission structure is connected with a driving structure.
2. The high-precision electronic water valve structure according to claim 1, wherein the magnetic cake (04) and the shaft end of the valve body valve core (05) are of an integral injection molding structure.
3. The high-precision electronic water valve structure according to claim 1, wherein the magnetic cake (04) is adhered to the shaft end of the valve body valve core (05).
4. The high-precision electronic water valve structure according to claim 1, wherein the magnetic cake (04) is pressed at the shaft end of the valve body valve core (05) in an interference mode.
5. A high precision electronic water valve structure as claimed in claim 1, wherein the transmission structure comprises a first actuator gear (07) meshed with the actuator output gear (09), a second actuator gear (06) meshed with the first actuator gear (07), and the second actuator gear (06) is driven by the driving structure.
6. The high-precision electronic water valve structure according to claim 5, wherein the driving structure comprises a driving motor (02), and an actuator worm (03) meshed with the second actuator gear (06) is connected to an output shaft of the driving motor (02).
7. The high-precision electronic water valve structure according to claim 5, wherein the first actuator gear (07) and the second actuator gear (06) are both formed by a large gear and a small gear, the large gear of the first actuator gear (07) is meshed with the small gear of the second actuator gear (06), and the small gear of the first actuator gear (07) is meshed with the actuator output gear (09).
8. The high-precision electronic water valve structure according to claim 7, wherein the large gear and the small gear of the first actuator gear (07) and the second actuator gear (06) are of an integral injection molding structure.
9. The high-precision electronic water valve structure according to claim 1, wherein the valve body spool (05) is a cylindrical structure with a valve cavity.
10. The high-precision electronic water valve structure according to claim 1, wherein the actuator output gear (09) and the mounting cylinder (08) are of an integral injection molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453190.3U CN219994516U (en) | 2023-06-08 | 2023-06-08 | High-precision electronic water valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453190.3U CN219994516U (en) | 2023-06-08 | 2023-06-08 | High-precision electronic water valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219994516U true CN219994516U (en) | 2023-11-10 |
Family
ID=88621013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321453190.3U Active CN219994516U (en) | 2023-06-08 | 2023-06-08 | High-precision electronic water valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219994516U (en) |
-
2023
- 2023-06-08 CN CN202321453190.3U patent/CN219994516U/en active Active
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