CN215984714U

CN215984714U - Spring touch button intelligence water gauge controller and intelligent water gauge

Info

Publication number: CN215984714U
Application number: CN202121952921.XU
Authority: CN
Inventors: 王超辉; 陈楠; 李勃; 胡刚
Original assignee: XI'AN FLAG ELECTRONICS CO Ltd
Current assignee: XI'AN FLAG ELECTRONICS CO Ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-08
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a spring type touch key intelligent water meter controller, which comprises a controller shell, a PCB (printed Circuit Board), a display screen, a touch sensor and a touch spring, wherein the controller shell is in an inverted groove shape, the display screen and the PCB are detachably connected in the groove shape of the controller shell, a circular touch window is arranged on the top surface, the touch window is positioned on the inner side of the top surface and protrudes upwards to form a cylindrical groove, the touch sensor is arranged in the groove, the upper end of the touch spring is propped and electrically connected with the touch sensor, the lower end of the touch spring is propped and electrically connected with the PCB, and the propping position of the lower end of the touch spring on the PCB is positioned right below the groove; the utility model reduces the precision requirements on the processing positions of the PCB, the capacitance touch pad and the controller shell, does not need to position the height again during production and assembly, reduces the production cost and improves the production efficiency.

Description

Spring touch button intelligence water gauge controller and intelligent water gauge

Technical Field

The utility model belongs to the technical field of water meters, and particularly relates to a spring type touch key intelligent water meter controller and an intelligent water meter.

Background

In the field of intelligent water meters, an operation key plays an increasingly important role as an important part of man-machine interaction, and information such as operation, faults and the like of the water meter is displayed on a display screen through the touch of the key on a controller, so that the operation key bears the important roles of inquiring water quantity of a user, detecting in a production process and maintaining by post-sale personnel.

The existing intelligent water meter keys are divided into mechanical type and capacitance type.

Mechanical type button needs the trompil at intelligent water meter controller's shell surface, and the trompil that mechanical button touch was on the controller stretches out, because the needs that the button was pressed from top to bottom adopt clearance fit with the trompil usually, therefore intelligent water meter controller's casing protection is affected by the short circuit that wets very easily, causes the trouble of water gauge to the normal work of water gauge, the spurious triggering that leads to when serious.

The capacitive touch key is integrally integrated inside the shell, so that the problem that the holes of the shell are prone to causing damp short circuits is effectively solved. However, in the existing assembly process, the capacitive touch pad is usually integrated on a small PCB, and through the cooperation with the structure, the capacitive touch pad is attached to the lower surface of the housing in a manner of using a pin, a socket and the like to realize touch sensing, so that the requirements on the position accuracy of the PCB, the capacitive touch pad and the controller housing are high, and the cost and the efficiency are poor when the controller housing is processed; this problem has been limiting the application of capacitive touch keys to smart water meter controllers.

SUMMERY OF THE UTILITY MODEL

The utility model provides a spring type touch key intelligent water meter controller which comprises a controller shell, a PCB (printed circuit board), a display screen, a touch sensor and a touch spring, wherein the controller shell is in an inverted groove shape with a downward opening, the top surface of the controller shell is made of a transparent material, the display screen and the PCB are detachably connected in the groove shape of the controller shell, the display direction of the display screen faces to one side of the top surface, the PCB is arranged in parallel with the inner side of the top surface, a circular touch window is arranged on the top surface, the touch window is positioned on the inner side of the top surface and protrudes upwards to form a cylindrical groove, the touch window is made of a touch sensing material, and the controller shell, the top surface and the touch window are integrally formed at one time; the touch sensor is arranged in the groove, the upper end of the touch spring is pressed and electrically connected with the touch sensor, the lower end of the touch spring is pressed and electrically connected with the PCB, the pressing position of the lower end of the touch spring on the PCB is positioned right below the groove, and the bottom of the controller shell is provided with a sealing plate for sealing a groove-shaped space in the controller shell; when the touch window is assembled, the display screen is firstly installed in place, and then the PCB connected with the touch sensor and the touch spring is directly buckled into the groove of the controller shell.

Preferably, the upper end of the touch spring is connected with the touch sensor in a welding mode, and the lower end of the touch spring is connected with a circuit of the PCB in a welding mode.

Preferably, the bottom of the touch sensor is connected with an inverted cone frustum-shaped upper positioning block, the maximum diameter of the cone frustum of the upper positioning block is not larger than the inner diameter of the touch spring, the height of the cone frustum of the upper positioning block is smaller than one half of the distance between the PCB and the lowest point of the touch sensor, and the upper positioning block is positioned at the upper end of an inner cavity of the touch spring; go up the locating piece and help touch spring's location, guaranteed simultaneously that touch spring's upper end can not influence other parts and components and parts because of the radial skew of atress extrusion when the lock.

Preferably, the PCB is provided with a vertical truncated cone-shaped lower positioning block, the lower positioning block is positioned under the upper positioning block, the maximum diameter of the truncated cone of the lower positioning block is not more than the inner diameter of the touch spring, the height of the truncated cone of the lower positioning block is less than half of the distance between the PCB and the lowest point of the touch sensor, and the lower positioning block is positioned at the lower end of the inner cavity of the touch spring; the lower positioning block is also beneficial to positioning of the touch spring, and the lower end of the touch spring is ensured not to be radially inclined and touch a printed circuit on the PCB due to stress extrusion during buckling to cause short circuit accidents.

Preferably, the PCB board adopts a Bi-CMOS IC low-power-consumption chip, and the touch sensor adopts a low-power-consumption sensor; the touch chip and the low-power consumption inductor of low-power consumption, high reliability, the consumption can be as low as below 3uA to from taking the button longest time, causing the increase of intelligent water gauge complete machine consumption when preventing the false triggering, effectively protect battery life.

Preferably, the PCB board is electrically connected with an indicator light, and the indicator light faces the top surface.

Preferably, the touch spring is made of carbon steel or stainless steel; the touch spring made of carbon steel or stainless steel has better ductility, elasticity and corrosion resistance.

Preferably, a fixing lug is arranged on the side surface of the controller shell; the mounting ears are used to securely attach the controller housing to the water meter housing or to the meter head of the water meter.

The utility model further discloses an intelligent water meter which is manufactured by adopting the spring type touch key intelligent water meter controller.

The utility model has the beneficial effects that:

1. according to the utility model, the upper end and the lower end of the touch spring are respectively abutted against the touch window and the PCB, so that the touch sensor is opposite to and pushed into the groove after the PCB is buckled during assembly, and finally clings to the inner side of the touch window due to the elasticity of the spring, so that the touch window is tightly attached to the sensing part of the touch sensor, the processing position and assembly precision requirements of the PCB, the capacitance touch pad and the controller shell are reduced, the height does not need to be positioned again during production and assembly, the production cost is reduced, and the production efficiency is improved.

2. The PCB board adopts a Bi-CMOS IC low-power-consumption chip, the touch sensor adopts a low-power-consumption sensor, an advanced Bi-CMOS IC technology is used, the power consumption of the touch chip is low and can be lower than 3uA due to low power consumption and high reliability, the longest time of the touch chip with the button is avoided, the increase of the power consumption of the whole intelligent water meter caused by false triggering is prevented, the service life of a battery is effectively protected, and the service life of the battery is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of a spring-type touch key intelligent water meter controller;

FIG. 2 is a perspective view of a PCB with a display screen and a touch spring;

FIG. 3 is a cross-sectional view of a touch spring mounting location;

fig. 4 is a sectional view of the touch spring mounting position before mounting.

In the figure, 1, a controller housing; 2. a PCB board; 3. a display screen; 4. a touch sensor; 5. a touch spring; 6. a top surface; 7. a touch window; 8. a groove; 9. a sealing plate; 10. an upper positioning block; 11. a lower positioning block; 12. an indicator light; 13. and fixing the ears.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

As shown in fig. 1-4, the utility model provides a spring type touch key intelligent water meter controller, which comprises a controller shell 1, a PCB 2, a display screen 3, a touch sensor 4 and a touch spring 5, wherein the controller shell 1 is in an inverted groove shape with a downward opening, a top surface 6 of the controller shell 1 is made of a transparent material, the display screen 3 and the PCB 2 are detachably connected in the groove shape of the controller shell 1, the display direction of the display screen 3 faces one side of the top surface 6, the PCB 2 is arranged in parallel with the inner side of the top surface 6, a circular touch window 7 is arranged on the top surface 6, the touch window 7 is positioned on the inner side of the top surface 6 and protrudes upwards to form a cylindrical groove 8, the touch window 7 is made of a touch sensing material, and the controller shell 1, the top surface 6 and the touch window 7 are integrally formed at one time; the touch sensor 4 is arranged in the groove 8, the upper end of the touch spring 5 is pressed against and electrically connected with the touch sensor 4, the lower end of the touch spring 5 is pressed against and electrically connected with the PCB 2, the pressing position of the lower end of the touch spring 5, which is positioned on the PCB 2, is positioned right below the groove 8, and the bottom of the controller shell 1 is provided with a sealing plate 9 for sealing a groove-shaped space in the controller shell 1; when assembling, firstly, after the display screen 3 is installed in place, the PCB 2 connected with the touch sensor 4 and the touch spring 5 is directly buckled into the groove type of the controller shell 1, and the position of the touch spring 5 on the PCB 2 corresponds to the position of the groove 8 up and down, so that after the PCB 2 is buckled, the touch sensor 4 is right aligned to and pushed into the groove 8, and finally clings to the inner side of the touch window 7 due to the elasticity of the spring, and the touch window 7 is tightly jointed with the sensing part of the touch sensor 4.

Furthermore, the upper end of the touch spring 5 is connected with the touch sensor 4 in a welding mode, and the lower end of the touch spring 5 is connected with a circuit of the PCB 2 in a welding mode.

Further, the bottom of the touch sensor 4 is connected with an inverted cone frustum-shaped upper positioning block 10, the maximum diameter of the cone frustum of the upper positioning block 10 is not larger than the inner diameter of the touch spring 5, the height of the cone frustum of the upper positioning block 10 is smaller than one half of the distance between the PCB 2 and the lowest point of the touch sensor 4, and the upper positioning block 10 is positioned at the upper end of the inner cavity of the touch spring 5; the upper positioning block 10 is beneficial to positioning the touch spring 5, and simultaneously ensures that the upper end of the touch spring 5 cannot be radially inclined due to stress extrusion to influence other parts and components during buckling.

Furthermore, an upright truncated cone-shaped lower positioning block 11 is arranged on the PCB 2, the lower positioning block 11 is positioned under the upper positioning block 10, the maximum diameter of the truncated cone of the lower positioning block 11 is not greater than the inner diameter of the touch spring 5, the height of the truncated cone of the lower positioning block 11 is less than half of the distance between the PCB 2 and the lowest point of the touch sensor 4, and the lower positioning block 11 is positioned at the lower end of the inner cavity of the touch spring 5; the lower positioning block 11 is also beneficial to positioning the touch spring 5, and also ensures that the lower end of the touch spring 5 cannot be radially inclined and touch a printed circuit on the PCB due to stress extrusion to cause short circuit accidents during buckling.

Furthermore, the PCB 2 board adopts a Bi-CMOS IC low-power consumption chip, and the touch sensor 4 adopts a low-power consumption sensor; the touch chip and the low-power consumption inductor of low-power consumption, high reliability, the consumption can be as low as below 3uA to from taking the button longest time, causing the increase of intelligent water gauge complete machine consumption when preventing the false triggering, effectively protect battery life.

Further, the PCB board 2 is electrically connected with an indicator light 12, and the indicator light 12 faces the top surface 6.

Further, the touch spring 5 is made of carbon steel or stainless steel; the touch spring 5 made of carbon steel or stainless steel has better ductility, elasticity and corrosion resistance.

Further, a fixing lug 13 is arranged on the side surface of the controller shell 1; the fixing lugs 13 are used to fasten the controller housing 1 to the water meter housing or the head of the water meter.

In conclusion, according to the spring type touch key intelligent water meter controller, the upper end and the lower end of the touch spring respectively abut against the touch window and the PCB, so that the touch sensor is opposite to and pushed into the groove after the PCB is buckled during assembly, and the touch sensor is finally attached to the inner side of the touch window due to the elasticity of the spring, the touch window is tightly attached to the sensing part of the touch sensor, the precision requirements of the processing positions of the PCB, the capacitive touch pad and the controller shell are reduced, the secondary positioning height is not needed during production and assembly, the production cost is reduced, and the production efficiency is improved, so that the spring type touch key intelligent water meter controller has a wide application prospect.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above examples are only for illustrating the technical solutions of the present invention, and are not to be construed as limiting the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a spring touch button intelligence water gauge controller which characterized in that includes: a controller shell (1), a PCB (2), a display screen (3), a touch sensor (4) and a touch spring (5), the controller shell (1) is of an inverted groove shape with a downward opening, the top surface (6) of the controller shell (1) is made of transparent material, the display screen (3) and the PCB (2) can be detachably connected in the groove type of the controller shell (1), the display direction of the display screen (3) faces to one side of the top surface (6), the PCB (2) is arranged in parallel with the inner side of the top surface (6), a round touch window (7) is arranged on the top surface (6), the touch window (7) is positioned on the inner side of the top surface (6) and protrudes upwards to form a cylindrical groove (8), the touch window (7) is made of touch sensing materials, and the controller shell (1), the top surface (6) and the touch window (7) are integrally formed at one time;

touch-sensitive ware (4) set up in recess (8), touch-sensitive ware (4) are connected to the upper end roof pressure of touch spring (5) and electricity, the lower extreme of touch spring (5) supports to press and electricity connects PCB board (2), the lower extreme of touch spring (5) is located PCB board (2) and supports to press the position and be located recess (8) under, the bottom of controller shell (1) is equipped with the cell type space in closing controller shell (1) of closing plate (9).

2. A spring type touch key intelligent water meter controller according to claim 1, wherein the upper end of the touch spring (5) is connected with the touch sensor (4) in a welding mode, and the lower end of the touch spring (5) is connected with a circuit of the PCB (2) in a welding mode.

3. A spring type touch key intelligent water meter controller according to claim 1, wherein an inverted cone frustum-shaped upper positioning block (10) is connected to the bottom of the touch sensor (4), the maximum diameter of the cone frustum of the upper positioning block (10) is not larger than the inner diameter of the touch spring (5), the height of the cone frustum of the upper positioning block (10) is smaller than half of the distance between the PCB (2) and the lowest point of the touch sensor (4), and the upper positioning block (10) is located at the upper end of an inner cavity of the touch spring (5).

4. A spring type touch key intelligent water meter controller according to claim 3, wherein an upright truncated cone shaped lower locating block (11) is arranged on the PCB (2), the lower locating block (11) is located right below the upper locating block (10), the maximum diameter of the truncated cone of the lower locating block (11) is not larger than the inner diameter of the touch spring (5), the height of the truncated cone of the lower locating block (11) is smaller than half of the distance between the PCB (2) and the lowest point of the touch sensor (4), and the lower locating block (11) is located at the lower end of the inner cavity of the touch spring (5).

5. The spring type touch key intelligent water meter controller according to claim 1, wherein a Bi-CMOS IC low-power-consumption chip is adopted for the PCB (2) board, and a low-power-consumption inductor is adopted for the touch inductor (4).

6. A spring touch key intelligent water meter controller according to claim 1, characterized in that an indicator light (12) is electrically connected to the PCB (2), the indicator light (12) facing the top surface (6).

7. The spring type touch key intelligent water meter controller according to claim 1, wherein the touch spring (5) is made of carbon steel or stainless steel.

8. A spring type touch key intelligent water meter controller according to claim 1, characterized in that a fixing lug (13) is arranged on the side of the controller shell (1).

9. An intelligent water meter, characterized in that, the intelligent water meter is made by the spring type touch key intelligent water meter controller of any claim from 1 to 8.