Portable calculator

By integrating solar panels, bidirectional inverters and batteries in portable engineering cost calculators, the problem of calculator relying on battery power is solved, and solar charging and continuous power supply is achieved, extending service life and improving portability.

CN222619125UActive Publication Date: 2025-03-14BINZHOU BRANCH OF SHUNCHENG PROJECT MANAGEMENT CO LTD
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Patent Information

Application Number
CN202421264220.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-03-14
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The existing portable engineering cost calculator lacks a solar charging structure, which makes the calculator only rely on battery power, has a short service life and is inconvenient to charge without a power adapter.

Method used

A portable calculator is designed, integrating solar panels, bidirectional inverters and batteries, which absorb sunlight through the solar panels, convert them into electrical energy and store them into batteries for use by the calculator.

Benefits of technology

It realizes that the calculator can not only be charged by solar energy, but also continuously powered, extending its service life, and does not require frequent battery replacement or power adapter, making it easy to use in the wild or in a power-free environment.

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Abstract

The utility model relates to the technical field of engineering cost equipment, and discloses a portable calculator, which comprises a calculator main body, the other side of the calculator main body is fixedly connected with an auxiliary mechanism, and the middle part of the top surface of the auxiliary mechanism is provided with a placing plate. According to the portable calculator, through the arrangement of the auxiliary mechanism, the placing plate, the adjusting mechanism, the supporting rod, the solar panel and the bidirectional inverter, a rotating block drives the supporting rod to rotate under the action of a limiting groove until the solar panel rotates to a proper angle, so that the solar panel can be comprehensively irradiated by sunlight, the solar panel absorbs a light source of the sun, and the solar panel is prevented from being damaged. A light source is converted into an available power supply through the bidirectional inverter, the available power supply is stored in the storage battery and can continuously supply power to the calculator main body, so that the calculator main body cannot only depend on the battery to supply power for use, the service life of the calculator main body is prolonged, and the practicability of the calculator main body is improved; and the supporting rod, the solar panel and the bidirectional inverter can be conveniently limited and stored through the arrangement of the placement plate.
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Description

Technical Field

[0001] The utility model relates to the technical field of engineering cost equipment, in particular to a portable calculator. Background Art

[0002] Portable project cost calculators are calculators specially designed for the fields of project cost and construction industry. They usually have specific functions and features to meet the calculation and analysis needs of these industries.

[0003] However, most portable calculators currently require a pen and paper to record data when in use, which are easy to be lost or forgotten. If the user forgets to bring the pen and paper, important data cannot be recorded in time.

[0004] A portable calculator dedicated to engineering cost is disclosed in announcement number CN209118277U. Although it is a portable calculator dedicated to engineering cost, it includes a body, an operating area is provided on the body, a display screen is provided on the upper part of the operating area, and shading plates are provided on the body and on three sides of the display screen away from the operating area. The shading plates block light, thereby facilitating operators to see the numbers displayed on the display screen clearly. The shading plate has a simple structure and a better light blocking effect.

[0005] Although the above patent makes it easy for operators to see the numbers displayed on the display screen, the shading plate has a simple structure and a good light shielding effect; however, the device lacks a solar charging structure, which means that the calculator can only rely on batteries for power. If the battery is exhausted, it is necessary to use a power adapter or replace the battery. In the absence of a wall socket, charging becomes more inconvenient.

[0006] Therefore, it is necessary to propose a portable calculator to solve the above problems. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] The technical problem solved by the utility model is to provide a portable calculator with high practicality, simple operation and relatively simple structure, which solves the problems proposed in the above background technology that pen and paper are required to record data, which are easy to lose or forget to carry and lack of solar charging structure.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a portable calculator, comprising a calculator body, an auxiliary mechanism fixedly connected to the other side of the calculator body, a placement plate provided in the middle of the top surface of the auxiliary mechanism, an adjustment mechanism provided on one side edge of the placement plate, a support rod fixedly connected to the other side of the adjustment mechanism, a solar panel integrally connected to the top of the support rod, a bidirectional inverter fixedly connected to one side edge of the bottom surface of the solar panel, slide rails A provided on the front and back of the calculator body, a group of protective mechanisms slidably connected to the tops of two of the slide rails A, a limit box fixedly connected to the top of the limit box, the limit mechanism slidably connected to the inner side wall of the limit mechanism, a wiping brush fixedly connected to the inner side wall of the limit mechanism, two groups of card slots provided on one side edge of the top surface of the calculator body, a shading mechanism snap-connected to the tops of the two card slots.

[0011] As a further solution of the utility model, the auxiliary mechanism includes a storage plate fixedly connected to the other side of the calculator body, a battery is fixedly connected to the top front of the storage plate, the surface of the placement plate is opened in the middle of the top surface of the storage plate, and the storage plate serves to support the battery and the placement plate.

[0012] As a further solution of the utility model, the adjustment mechanism includes a limit groove opened on the edge of one side of the placement panel, and a rotating block is rotatably connected inside the limit groove. The other side of the rotating block is fixedly connected to one side of the support rod. The rotating block plays a role in adjusting the angle of the solar panel to facilitate the sun's exposure to the solar panel.

[0013] As a further solution of the utility model, the protective mechanism includes a U-shaped protective shell slidably connected to the top of the two sets of slide rails A, the inner wall of the U-shaped protective shell is glued with a sponge pad, and the top surface of the U-shaped protective shell is fixedly connected to the bottom of the limit box. The U-shaped protective shell plays a role in protecting the calculator body, preventing the calculator body from being damaged by external force when placed, thereby extending the service life of the calculator body.

[0014] As a further solution of the utility model, the interior of the limit mechanism is slidingly connected to the recording plate inside the limit box, the top front and back of the recording plate are slidingly connected to slide rails B, and the wiping brush is fixedly connected to the inner walls of the two sets of slide rails B. The slide rails B play the role of moving the wiping brush, which is convenient for erasing data that does not need to be recorded.

[0015] As a further solution of the utility model, the front of the limit box is integrally connected with a pen holder, and one side of the pen holder is provided with a pen placement slot, which serves to limit the pen and avoid the pen from being lost when placed.

[0016] (III) Beneficial effects

[0017] The utility model provides a portable calculator, which has the following beneficial effects:

[0018] 1. The portable calculator is provided with an auxiliary mechanism, a placement plate, an adjustment mechanism, a support rod, a solar panel and a bidirectional inverter. The rotating block drives the support rod to rotate under the action of a limit groove until the solar panel rotates to a suitable angle, so that the solar panel can be fully irradiated by sunlight. The solar panel absorbs the light source of the sun, and converts the light source into usable power through the bidirectional inverter and stores it in the battery, which can continuously supply power to the calculator body, which is beneficial for the calculator body not to rely solely on battery power supply, thereby extending the service life and practicality of the calculator body, and the provided placement plate is convenient for limiting the storage of the support rod, the solar panel and the bidirectional inverter.

[0019] 2. The portable calculator, through the arrangement of the slide rail A, the protective mechanism, the limit box, the limit mechanism and the wiping brush, when using the device, stretch the recording board to one side until the recording board is located on the side of the limit box, and then the operator can use a pen to record data on the surface of the recording board, or use the two sets of slide rails B to slide the wiping brush on the recording board so that the wiping brush can erase unnecessary data and record other important data. There is no need to carry a pen and paper to record data, which is convenient for timely recording important data. In addition, the two sets of slide rails A cooperate with the protective mechanism to protect the calculator body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a side view structural diagram of the auxiliary mechanism and the regulating mechanism of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the limit box and the limit mechanism of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the shading mechanism of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the anti-lost card of the utility model.

[0025] In the figure: 1. calculator body; 2. auxiliary mechanism; 201. storage board; 202. battery; 3. placement board; 4. adjustment mechanism; 401. limit slot; 402. rotating block; 5. support rod; 6. solar panel; 7. bidirectional inverter; 8. slide rail A; 9. protection mechanism; 901. U-shaped protective shell; 902. sponge pad; 10. limit box; 11. limit mechanism; 1101. recording board; 1102. slide rail B; 12. wiping brush; 13. card slot; 14. shading mechanism; 1401. card block; 1402. color lens; 1403. rope; 1404. anti-loss card; 15. pen holder. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 5 The utility model provides a technical solution: a portable calculator, including a calculator body 1, an auxiliary mechanism 2 is fixedly connected to the other side of the calculator body 1, a placement plate 3 is provided in the middle of the top surface of the auxiliary mechanism 2, an adjustment mechanism 4 is provided on one side edge of the placement plate 3, a support rod 5 is fixedly connected to the other side of the adjustment mechanism 4, a solar panel 6 is integrally connected to the top of the support rod 5, and a bidirectional inverter 7 is fixedly connected to one side edge of the bottom surface of the solar panel 6. Through the arrangement of the auxiliary mechanism 2, the placement plate 3, the adjustment mechanism 4, the support rod 5, the solar panel 6 and the bidirectional inverter 7, the calculator body 1 will not only rely on battery power supply, and the use of the calculator body 1 can be extended. In order to improve the lifespan and practicality of the calculator, the front and back sides of the calculator body 1 are provided with slide rails A8, the tops of the two slide rails A8 are slidably connected with a group of protective mechanisms 9, the tops of the protective mechanisms 9 are fixedly connected with a limit box 10, the inner side of the limit box 10 is slidably connected with a limit mechanism 11, and the inner side wall of the limit mechanism 11 is fixedly connected with a wiping brush 12. By setting the slide rails A8, the protective mechanism 9, the limit box 10, the limit mechanism 11 and the wiping brush 12, there is no need to carry a pen and paper to record data, which is convenient for timely recording important data, and it is convenient. Two groups of card slots 13 are provided on one side edge of the top surface of the calculator body 1, and the tops of the two card slots 13 are snap-connected with a shading mechanism 14;

[0028] See also Figure 2 The auxiliary mechanism 2 includes a storage plate 201 fixedly connected to the other side of the calculator body 1, a battery 202 is fixedly connected to the top front of the storage plate 201, and the surface of the placement plate 3 is opened in the middle of the top surface of the storage plate 201. The storage plate 201 plays a role in supporting the battery 202 and the placement plate 3.

[0029] See also Figure 2 The adjustment mechanism 4 includes a limiting groove 401 opened on the edge of one side of the placement plate 3, and the internal rotation of the limiting groove 401 is connected to a rotating block 402, and the other side of the rotating block 402 is fixedly connected to one side of the support rod 5. The rotating block 402 plays a role in adjusting the angle of the solar panel 6 to facilitate the sun to irradiate the solar panel 6.

[0030] See also Figure 3 The protection mechanism 9 includes a U-shaped protection shell 901 slidably connected to the top of the two sets of slide rails A8, the inner wall of the U-shaped protection shell 901 is glued with a sponge pad 902, and the top surface of the U-shaped protection shell 901 is fixedly connected to the bottom of the limit box 10. The U-shaped protection shell 901 plays a role in protecting the calculator body 1, preventing the calculator body 1 from being damaged by external force when placed, and extending the service life of the calculator body 1.

[0031] See also Figure 3 The internal part of the limiting mechanism 11 is slidably connected to the recording plate 1101 inside the limiting box 10. The top front and back sides of the recording plate 1101 are slidably connected to the slide rails B1102. The wiping brush 12 is fixedly connected to the inner walls of the two sets of slide rails B1102. The slide rails B1102 play the role of moving the wiping brush 12, which is convenient for erasing data that does not need to be recorded.

[0032] See also Figure 3 The front of the limiting box 10 is integrally connected with a pen holder 15, and a pen slot is provided on one side of the pen holder 15, which serves as a limiting pen slot to prevent the pen from being lost when placed.

[0033] The model of the calculator body 1 is: TK853, and the model of the solar panel 6 is: 53*60. The above parameters and models can be selected according to actual conditions.

[0034] Embodiment 1:

[0035] See also Figure 4 The shading mechanism 14 includes a card block 1401 that is engaged with the top of the two card slots 13. A group of color lenses 1402 are integrally connected to the top of the two card blocks 1401. The two card blocks 1401 are respectively engaged in the two card slots 13, so that the color lenses 1402 can be fixed on the top display screen of the computer body 1, which is beneficial to reduce the light of a specific wavelength from entering the eyes, thereby improving the viewing experience of the content on the display screen;

[0036] Embodiment 2:

[0037] See also Figure 5The shading mechanism 14 includes a group of ropes 1403 fixedly connected to the edge of one side of the two groups of card slots 13, and an anti-loss sign 1404 is fixedly connected to one side of the rope 1403. When the device is lost and picked up by others, the user's contact number on the surface of the anti-loss sign 1404 can be used to contact the user, thereby improving practicality.

[0038] In the utility model, the working steps of the device are as follows:

[0039] Step 1: The rotating block 402 drives the support rod 5 to rotate under the action of the limiting groove 401 until the solar panel 6 rotates to a suitable angle so that the solar panel 6 can be fully irradiated by sunlight. The solar panel 6 absorbs the light source of the sun and converts the light source into usable power through the bidirectional inverter 7 and stores it in the battery 202, which can continuously supply power to the computer body 1. The placement plate 3 is convenient for limiting and storing the support rod 5, the solar panel 6 and the bidirectional inverter 7;

[0040] The second step: when using the device, stretch the recording board 1101 to one side until the recording board 1101 is located on one side of the limit box 10, and then the operator can use a pen to record data on the surface of the recording board 1101, or use the two sets of slide rails B1102 to slide the wiping brush 12 on the recording board 1101, so that the wiping brush 12 can erase unnecessary data and record other important data, and the two sets of slide rails A8 cooperate with the protective mechanism 9 to facilitate the protection of the calculator body 1.

[0041] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0042] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable calculator, comprising a calculator body (1), characterized in that: The other side of the calculator body (1) is fixedly connected to an auxiliary mechanism (2), a placement plate (3) is provided in the middle of the top surface of the auxiliary mechanism (2), an adjustment mechanism (4) is provided on one side edge of the placement plate (3), a support rod (5) is fixedly connected to the other side of the adjustment mechanism (4), a solar panel (6) is integrally connected to the top of the support rod (5), a bidirectional inverter (7) is fixedly connected to one side edge of the bottom surface of the solar panel (6), and the front and back sides of the calculator body (1) are A slide rail A (8) is provided, and a group of protective mechanisms (9) are slidably connected to the tops of the two slide rails A (8), the tops of the protective mechanisms (9) are fixedly connected to a limit box (10), the interior of the limit box (10) is slidably connected to a limit mechanism (11), and a wiping brush (12) is fixedly connected to the inner wall of the limit mechanism (11), and two groups of card slots (13) are provided on one side edge of the top surface of the calculator body (1), and the tops of the two card slots (13) are snap-connected to a shading mechanism (14).

2. A portable calculator according to claim 1, characterized in that: The auxiliary mechanism (2) comprises a storage plate (201) fixedly connected to the other side of the calculator body (1), a storage battery (202) being fixedly connected to the top front of the storage plate (201), and a surface of the placement plate (3) being opened in the middle of the top surface of the storage plate (201).

3. A portable calculator according to claim 1, characterized in that: The adjustment mechanism (4) comprises a limiting groove (401) provided on one edge of the placement plate (3), a rotating block (402) is rotatably connected inside the limiting groove (401), and the other side of the rotating block (402) is fixedly connected to one side of the support rod (5).

4. A portable calculator according to claim 1, characterized in that: The protection mechanism (9) comprises a U-shaped protection shell (901) slidably connected to the top of the two sets of slide rails A (8), the inner side wall of the U-shaped protection shell (901) is glued with a sponge pad (902), and the top surface of the U-shaped protection shell (901) is fixedly connected to the bottom of the limit box (10).

5. A portable calculator according to claim 1, characterized in that: The interior of the limiting mechanism (11) is slidably connected to a recording plate (1101) inside the limiting box (10), the top front and back of the recording plate (1101) are slidably connected to slide rails B (1102), and the wiping brush (12) is fixedly connected to the inner side walls of the two sets of slide rails B (1102).

6. A portable calculator according to claim 1, characterized in that: The front side of the limiting box (10) is integrally connected with a pen holder (15), and one side of the pen holder (15) is provided with a pen slot.

Citation Information

Patent Citations

  • Portable calculator special for engineering cost

    CN209118277U