Electronic scale with projection display function

Abstract

The utility model discloses a projection display electronic scale comprising a scale body, a weighing module, a power supply module and a control module are arranged in the scale body, the control module is electrically connected with the weighing module, the control module is electrically connected with the power supply module, the side edge of the scale body is provided with a gap, and a projection module electrically connected with the control module is installed in the gap. An outlet is formed in the bottom of the notch, a projection height adjusting piece is hinged in the outlet, the top of the projection height adjusting piece abuts against the bottom of the projection module, the weighing module is used for obtaining an analog value corresponding to a weight value, the analog-to-digital conversion unit is used for converting the analog value into a digital value, and the control module controls the whole product. The digital value is converted into a corresponding weighing numerical value, the projection module is used for projecting the weighing numerical value to a wall surface, the power supply module is used for supplying power to the whole product, the projection height adjusting piece is used for adjusting the projection height of the projection module, and compared with the prior art, the product is easier to read the weighing numerical value on the whole.

Description

Technical Field

[0001] The utility model relates to an electronic scale, in particular to an electronic scale with projection display. Background Art

[0002] Ordinary household scales generally use a single LCD screen to display weight data. For pregnant women or obese people with big bellies, it is difficult to conveniently see the numbers displayed on the scale when using a household scale to weigh themselves. Although a special APP can be designed to check weight, it needs to be equipped with a communication module, which is relatively complicated overall. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, one object of the utility model is to provide an electronic scale with a projection display that allows easy reading of weighing values.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] An electronic scale with projection display comprises a scale body, wherein a weighing module, a power module and a control module are arranged inside the scale body, wherein the control module is provided with an analog-to-digital conversion unit, wherein the control module is electrically connected to the weighing module, and wherein the control module is electrically connected to the power module. A notch is arranged on the side of the scale body, wherein a projection module electrically connected to the control module is installed in the notch, wherein an outlet is arranged at the bottom of the notch, wherein a projection height adjustment member is hinged in the outlet, wherein the top of the projection height adjustment member abuts against the bottom of the projection module, and wherein the projection height adjustment member is an eccentric gear.

[0006] The projection module includes an image magnifying lens, a negative display liquid crystal screen and a spotlight which are arranged in sequence. The image magnifying lens, the negative display liquid crystal screen and the spotlight are installed in a shell. The shell includes a top shell and a bottom shell. The image magnifying lens and the negative display liquid crystal screen are both transparent. The negative display liquid crystal screen is electrically connected to the control module through a flexible driving board (FPC).

[0007] The outlet of the shell is provided with an image magnifying lens fixing seat, and a rotating tube seat, a spotlight limiting seat, and a movable shell for adjusting the positions of the negative display LCD screen and the spotlight are provided inside. The image magnifying lens fixing seat is provided with an arc-shaped image magnifying lens fixing groove. The movable shell includes a rotating tube and a movable tube. The movable tube includes a position adjustment nut and a spotlight holder. One end of the rotating tube extends into the inner side of the position adjustment nut and is threadedly connected with the position adjustment nut. The outer side of the position adjustment nut is connected to the spotlight holder by a buckle. The interior of the spotlight holder is provided with a spotlight fixing cavity. The top of the shell is provided with a An opening connected to the outside is provided, the interior of the image magnifying lens fixing groove, the interior of the rotating tube, the interior of the position adjusting nut, and the spotlight fixing cavity are connected in sequence to form a projection channel. After assembly, a portion of the rotating tube is exposed to the outside from the opening, the image magnifying lens is placed in the image magnifying lens fixing groove, the spotlight is placed in the spotlight fixing cavity of the spotlight holder, the spotlight holder is placed in the spotlight limiting holder, the negative display LCD screen is clamped in the gap between the position adjusting nut and the spotlight holder, a portion of the rotating tube is placed in the rotating tube holder and hinged to it, and the rotating tube rotates circumferentially.

[0008] The rotating tube seat includes two clamping plates separated from each other, each clamping plate is provided with an arc-shaped opening on the top, the end of the rotating tube is placed in the arc-shaped opening, and the outer side of the rotating tube is provided with rolling teeth located between the two clamping plates. After assembly, the rolling teeth of the rotating tube are exposed outward from the opening on the top of the shell.

[0009] The spotlight holder comprises two half shells of symmetrical structure, and the two half shells are fixed together.

[0010] A supporting block for supporting the spotlight holder is arranged at the inner bottom of the spotlight limiting holder.

[0011] The beneficial effects of the utility model are as follows: the weighing module is used to obtain the analog value corresponding to the weight value, the analog-to-digital conversion unit is used to convert the analog value into a digital value, the control module controls the entire product and converts the digital value into a corresponding weighing value, the projection module is used to project the weighing value onto the wall, the power module is used to power the entire product, and the projection height adjustment part is used to adjust the projection height of the projection module. Compared with the prior art, the projection module projects the weighing value onto the wall. On the whole, the product is easier to read the weighing value. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2It is a structural exploded view of the utility model;

[0015] Figure 3 It is a cross-sectional view of the utility model;

[0016] Figure 4 It is a structural exploded diagram of the projection module;

[0017] Figure 5 yes Figure 2 A partial enlarged view of area A. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 5 , an electronic scale with projection display, comprising a scale body 1, wherein a weighing module, a power module and a control module are arranged inside the scale body 1, wherein the control module is provided with an analog-to-digital conversion unit, wherein the control module is electrically connected to the weighing module, and wherein the control module is electrically connected to the power module, wherein a notch 11 is arranged on the side of the scale body 1, wherein a projection module 2 electrically connected to the control module is installed in the notch 11, wherein an outlet is arranged at the bottom of the notch 11, wherein a projection height adjustment member is hingedly connected to the outlet, wherein the top of the projection height adjustment member 3 is in conflict with the bottom of the projection module 2, wherein the projection height adjustment member 3 is an eccentric gear, wherein a convex tooth for easy adjustment is arranged on the outer side of the eccentric gear, thereby increasing friction and facilitating rotation The eccentric gear, the convex teeth and the bottom contact with the ground can also prevent the eccentric gear from rotating arbitrarily. The eccentric gear rotates, thereby changing the height difference between the projection module and the ground to change the projection height. The weighing module, power supply module and control module are all prior art, and their composition also adopts the existing technology. The scale body can adopt the existing structure. The weighing principle of the electronic scale is the same as the prior art, and the specific working process is also the same as the prior art (when in use, the weighing module first obtains the analog value corresponding to the weight information of the weighed object, and then the analog-to-digital conversion unit converts the analog value into a digital value, the control module controls the entire product, and converts the digital value into the corresponding weighing value, and the projection module projects the weighing value onto the wall). The specific structure of the scale body belongs to the prior art.

[0019] The control module is used to control the projection module and the weighing module. The weighing module is used to obtain the analog value corresponding to the weight value. The analog-to-digital conversion unit is used to convert the analog value into a digital value. The control module controls the entire product and converts the digital value into a corresponding weighing value. The projection module is used to project the weighing value onto the wall. The projection height adjustment part is used to adjust the projection height of the projection module. Compared with the prior art, the projection module projects the weighing value onto the wall. Overall, this product is easier to read the weighing value. The control module and the weighing module are weighing sensors. The control module, the analog-to-digital conversion unit, and the power supply module all belong to the prior art, and their specific composition also belongs to the prior art. The control module can also be provided with buttons to control the entire product (open tube button, clear button, etc.).

[0020] The projection module includes an image magnifying lens 21, a negative display liquid crystal screen 22 and a spotlight 23 which are arranged in sequence. The image magnifying lens 21, the negative display liquid crystal screen 22 and the spotlight 23 are installed in a shell 31. The shell 31 includes a top shell 3101 and a bottom shell 3102. The image magnifying lens 21 and the negative display liquid crystal screen 22 are both transparent. The negative display liquid crystal screen 22 is electrically connected to the control module through a flexible driving board (FPC). A pattern is displayed on the negative display liquid crystal screen 22. The light of the spotlight 23 forms an image after passing through the negative display liquid crystal screen 22. The image is magnified by the image magnifying lens to form a final display pattern on the wall. The imaging principle of the projection module is the prior art. A driving circuit is arranged on the flexible driving board. The specific structure of the driving circuit belongs to the prior art. The weighing module is located between the top shell 3101 and the bottom shell 3102. The top shell 3101 can be elastically deformed.

[0021] The outer shell 31 is provided with an image magnifying lens fixing seat 32 at the exit thereof, and is provided with a rotating tube seat 311, a spotlight limiting seat 312, and a movable shell for simultaneously adjusting the positions of the negative display LCD screen and the spotlight inside. The image magnifying lens fixing seat 32 is provided with an arc-shaped image magnifying lens fixing groove 321. The movable shell includes a rotating tube 331 and a movable tube 332. The movable tube 332 includes a position adjustment nut 3321 and a spotlight seat 3322. One end of the rotating tube 331 extends into the inner side of the position adjustment nut 3321. The outer side of the position adjustment nut 3321 is connected to the spotlight holder 3322 by a buckle (a connecting claw is provided at one end of the spotlight holder 3322, and a connecting slot is provided at the outer side of the position adjustment nut 3321, and the connecting claw is connected with the connecting slot by snapping), the interior of the spotlight holder 3322 is provided with a spotlight fixing cavity 33221, and the top of the housing 31 is provided with an opening communicating with the outside world, the interior of the image magnifying lens fixing groove 321, the interior of the rotating tube 331, and the position adjustment The interior of the nut 3321 and the spotlight fixing cavity 33221 are connected in sequence to form a linear projection channel. After assembly, the image magnifying lens is placed in the image magnifying lens fixing groove, the spotlight is placed in the spotlight fixing cavity of the spotlight holder, the spotlight holder is placed in the spotlight limiting holder, the negative display LCD screen is clamped in the gap between the position adjustment nut and the spotlight holder, part of the rotating tube is placed in the rotating tube holder and hinged therewith, the rotating tube rotates circumferentially, and part of the rotating tube 331 is projected from the opening to the outside world. When in use, the rotating tube rotates. Since one end of the rotating tube is threadedly connected to the position adjusting nut, the position adjusting nut will be driven to move along the length direction of the shell. The movement of the position adjusting nut will drive the spotlight holder to move, that is, the entire movable shell will move, thereby driving the negative display LCD screen 22 and the spotlight 23 to move, thereby adjusting the size of the display pattern of the projection module on the wall. The spotlight limit seat includes two panels separated from each other, and the spotlight limit seat 312 includes limit plates located on the left side, right side and back side of the spotlight holder, and the front and top surfaces are not closed.

[0022] The rotating tube seat 311 includes two mutually spaced clamping plates 3111, and the top of each clamping plate 3111 is provided with an arc-shaped opening, and the end of the rotating tube 331 is placed in the arc-shaped opening. The outer side of the rotating tube 331 is provided with rolling teeth located between the two clamping plates. After assembly, the rolling teeth of the rotating tube are exposed outward from the opening at the top of the shell, and the rolling teeth are used to facilitate the rotation of the rotating tube.

[0023] The spotlight holder 3322 includes two half shells 33222 of symmetrical structure, the two half shells are fixed together, the spotlight fixing cavity is arranged between the two half shells 33222, a semi-concave cavity is arranged on one side of each half shell 33222, and the semi-concave cavities of the two half shells constitute the spotlight fixing cavity. This structure is simple and convenient for processing.

[0024] A supporting block for supporting the spotlight holder 3322 is provided at the inner bottom of the spotlight limiting holder.

[0025] The above implementation modes cannot limit the protection scope of the present invention. The equivalent modifications and changes made by those skilled in the art without departing from the overall concept of the present invention are still within the scope of the present invention.

Claims

1. An electronic scale with projection display, comprising a scale body (1), wherein a weighing module, a power module and a control module are arranged inside the scale body (1), wherein the control module is provided with an analog-to-digital conversion unit, wherein the control module is electrically connected to the weighing module, and wherein the control module is electrically connected to the power module, wherein the electronic scale comprises a weighing module, a power module and a control module. A notch (11) is provided on the side of the scale body (1), a projection module (2) electrically connected to the control module is installed in the notch (11), an outlet is provided at the bottom of the notch (11), a projection height adjustment member is hinged in the outlet, and the top of the projection height adjustment member (3) abuts against the bottom of the projection module (2).

2. The electronic scale according to claim 1, characterized in that The projection module comprises an image magnifying lens (21), a negative display liquid crystal screen (22) and a spotlight (23) which are arranged in sequence, and the image magnifying lens (21), the negative display liquid crystal screen (22) and the spotlight (23) are installed in a housing (31).

3. The electronic scale according to claim 2, characterized in that An image magnifying lens fixing seat (32) is provided at the exit of the housing (31), and a rotating tube seat (311), a spotlight limiting seat (312), and a movable shell for simultaneously adjusting the positions of the negative display liquid crystal screen and the spotlight are provided inside the housing; an arc-shaped image magnifying lens fixing groove (321) is provided in the image magnifying lens fixing seat (32); the movable shell comprises a rotating tube (331) and a movable tube (332); the movable tube (332) comprises a position adjustment nut (3321) and a spotlight seat (3322); one end of the rotating tube (331) extends into the inner side of the position adjustment nut (3321) and is threadedly connected to the position adjustment nut (3321); the outer side of the position adjustment nut (3321) is connected to the spotlight seat (3322) by a buckle; the spotlight seat (3322) is connected to the spotlight seat (3322) by a buckle; A spotlight fixing cavity (33221) is arranged inside the housing (31), an opening communicating with the outside is arranged on the top of the housing (31), the inside of the image magnifying lens fixing groove (321), the inside of the rotating tube (331), the inside of the position adjusting nut (3321), and the spotlight fixing cavity (33221) are connected in sequence to form a projection channel; after assembly, the image magnifying lens is placed in the image magnifying lens fixing groove, the spotlight is placed in the spotlight fixing cavity of the spotlight holder, the spotlight holder is placed in the spotlight limiting holder, the negative display liquid crystal screen is clamped in the gap between the position adjusting nut and the spotlight holder, part of the rotating tube is placed in the rotating tube holder and is hinged therewith, the rotating tube rotates circumferentially, and part of the rotating tube (331) is exposed to the outside from the opening.

4. The electronic scale according to claim 3, characterized in that The rotating tube seat (311) comprises two mutually spaced clamping plates (3111), the top of each clamping plate (3111) is provided with an arc-shaped opening, the end of the rotating tube (331) is placed in the arc-shaped opening, and the outer side of the rotating tube (331) is provided with rolling teeth located between the two clamping plates. After assembly, the rolling teeth of the rotating tube are exposed outward from the opening at the top of the shell.

5. The electronic scale according to claim 4, characterized in that The spotlight holder (3322) comprises two half shells (33222) of symmetrical structure, and the two half shells are fixed together.

6. The electronic scale according to claim 5, characterized in that The projection height adjusting member (3) is an eccentric gear.

7. The electronic scale according to claim 6, characterized in that The image magnifying lens (21) and the negative display liquid crystal screen (22) are both transparent, and the negative display liquid crystal screen (22) is electrically connected to the control module via a flexible driving board.

8. The electronic scale according to claim 7, characterized in that The housing (31) comprises a top shell (3101) and a bottom shell (3102), and the weighing module is located between the top shell (3101) and the bottom shell (3102).

9. The electronic scale according to claim 8, characterized in that A supporting block for supporting the spotlight holder (3322) is arranged at the inner bottom of the spotlight limiting holder.

Images