CN2056534U - Keyboard calculator - Google Patents

Abstract

The utility model relates to a keyboard calculator, in particular to a teaching aid and intelligent toy. The utility model is characterized in that the keyboard calculator is composed of a mechanical keyboards and an electronic display device, wherein, the mechanical keyboard is composed of a plurality of cases, each case is provided with ten digital figure keys, and a cancel key is shared by each case. The is mainly composed of a panel (2), a digital figure key (3), a cancel key (4), a spring (6), a spring (8), a transmission bracket (9), a key spoon (11), a transmission rod (12), etc. The electronic display device is composed of an electronic display (1), a cathode contact point (10), etc. The keyboard calculator is suitable for preschool children and pupils.

Description

Keyboard calculator

The utility model is a kind of calculating appliance, particularly a kind of teaching aid and inspiration puzzle.

At present comparatively general teaching and the calculating appliance that inspires intelligence to use mainly contain abacus and electronic calculator in the society, and the counter volume is little, function is many, be easy to carry, and be easy to use, a kind of advanced person's that can yet be regarded as computational tool.But, counter is a kind of fixed mode, simply still, complicated calculations all is to adopt the identical operations method, the various relations that produced between skill and the number have been difficult in the calculating, use counter do plus-minus method repeatedly button just can obtain calculating answer, add and subtract mutually as any two one digit numbers, all must just can obtain answer by four keys, counter can not directly be gone into device in regular turn, must press fixing numerical key, and the dynamics of button is difficult for grasping, causes heavily defeated easily and leak and fail, this error does not have tangible information feedback, is difficult in the calculating find and correct.Convenient and simple just because of counter operation, also just cause people's dependence, inertia easily, student for first immunologing mathematics, often use counter to cause concept obfuscation, intelligence in the digital computation to lower easily, so, also rechoning by the abacus is introduced as new culture now as the U.S. of invention on computer state.

As rechoning by the abacus, under the situation that computer nowadays, counter are relatively popularized, can also exist down, this mainly is to depend on its particular structure and principle, it is also fast on plus-minus method calculates than counter, what rechoning by the abacus was main is can be number and shape combination, in calculating, show more intuitively, make beginner definite conception, easy to understand in study from being abstracted into concrete calculating process.By frequent use rechoning by the abacus, can add the coordination between rival's brain, to developing right brain, the subjective initiative of strengthening the contact between the left and right brain and giving full play to the people is to benefit.But on top of and use rechoning by the abacus in calculating, just must be through trick action training and the formula memory training of long period.Because there is the problem of two-stage carry in rechoning by the abacus, this also will cause certain difficulty for the beginner.

The purpose of this utility model is to overcome counter, rechoning by the abacus to first immunologing mathematics person, especially to pupil's existing problem in learning mathematics, having absorbed the advantage of counter, rechoning by the abacus and written calculation, mainly is on the basis of rechoning by the abacus calculating principle and a kind of novel Keyboard calculator of invention.This Keyboard calculator is easy to grasp, as long as remember three words " be 1; 5 variables; two stars advance " at 1, just can carry out computing, be easy to be accepted and simple to operate by preprimary child and pupil, arithmetic speed is very fast, relation during energy visual pattern ground discloses and calculates between number and the number, have and open the intelligence function preferably, be highly suitable for " three ways of calculating " teaching (mental arithmetic of primary school, written calculation, rechoning by the abacus), also is applicable to as teaching aid and in common teaching, uses, can solve the various computational problems in the primary school classroom effectively, thereby alleviated student's learning burden effectively, and saved instructional blocks of time in large quantities, and this Keyboard calculator, simple in structure, easy to make, be easy to promote and utilization.

The utility model is to realize like this, Keyboard calculator is made up of mechanical keyboard and electronic console, its mechanical keyboard is to be made of several gears, ten digital graph keys of every retaining (3), each keeps off a shared cancel key (4), keyboard is mainly by panel (2), digital figure key (3), cancel key (4), spring (6), (8), transmission bracket (9), key spoon (11), drive link compositions such as (12), electronic display unit mainly is made up of electronic console (1) and cathode contact (10) etc.Indicate respectively on the digital figure key that Keyboard calculator is whenever blocked numeral 1 to 0 and in order to represent numeral 1 to 9 figure " ", " ¨ ", " ∴ ", " ∷ ", " ☆ ",

, indicate no figure on numeral 0 the key.Each panel inboard (7) color and panel color relative with the digital figure key has obvious difference, in the middle of panel (2) is gone up per three retainings a branch nodel line is arranged.The electronic display unit of Keyboard calculator adopts detachable the connection with mechanical keyboard.The contacted end of key spoon (11) of the drive link of mechanical keyboard (12) and each digital figure key, one guiding surface (13) is all arranged, inclined-plane the widest part is larger than or the drive link width that equals to be attached thereto adds the thickness sum of key spoon (11), between guiding surface (13) and drive link (12) locating surface (15) is arranged, the contacted end of key spoon (11) of drive link (12) and cancel key (4), once the position inclined-plane (4), its inclined-plane the widest part is greater than the widest part of guiding surface (13).

The utility model makes numeration organically combine with calculating owing to adopted mechanical keyboard to combine with electronic display unit, can make study with deep impression, and the hand brain of having exercised in calculating is harmonious.Owing to the gear that is adopted can differently as required determine, thereby can satisfy the needs of different levels.On all digital figure key faces, all indicate 1 to 0 numeral respectively and represent 1 to 0 figure, can make the student data that will calculate and computation process are converted into the merging and the decomposition of concrete figure, and can read abstract numeral from the figure that specifically obtains, from whole computation process, get information about it and calculate principle, help youngsters and children to form as early as possible from specific to abstract, revert to concrete thinking ability abstract again.In order to make the key of working and the key of awaiting orders that obvious difference be arranged, Keyboard calculator described in the utility model is made the different looks frequently that panel inboard (7) color relative with each digital figure key has obvious difference with panel (2), make the job key of participating in calculating when pressing, this key will come into plain view because of being lower than the color with difference that other key of awaiting orders exposes panel inboard (7).Panel (2) has a branch nodel line (5) in the middle of going up per three retainings, and the convenience of numeration is provided.Mechanical keyboard is detachable the connection with the electronic display unit employing, makes the key face can synchronous working with electronic console, also can only show computation process and result of calculation separately according to the key face.In mechanical keyboard, the contacted end of key spoon (11) of drive link (12) and each digital figure key, the drive link width that has a guiding surface (13) inclined-plane the widest part to be larger than or equal to be attached thereto adds the thickness sum of key spoon (11), between guiding surface (13) and drive link (12) locating surface (15) is arranged, the contacted end of key spoon (11) of drive link (12) and cancel key (4), once the position inclined-plane (14), its inclined-plane the widest part is greater than the widest part of guiding surface (13), when making by next digital figure key, another digital figure bond energy of pressing earlier knock-ons automatically, press cancel key (4), all digital figure keys of formerly pressing all can knock-on automatically, because this key do not have locating surface on the right drive link, so self-return at once always after this this time of key.

In a word, the utility model is on the basis of rechoning by the abacus, has absorbed some advantages of counter, has taked multiple innovative approach, overcome the various shortcomings that computational tools such as counter, rechoning by the abacus are used for imparting knowledge to students and are occurred, reached the task that the utility model proposed substantially.And cost is low, and is easy to make, and a kind of being easy to of can yet be regarded as made a kind of novel calculating appliance of being convenient to promote.

Below in conjunction with drawings and Examples the utility model is done to describe further, but the present invention is not limited to the described scope of following examples.

Fig. 1 is the Keyboard calculator front view

Fig. 2 is the A-A cut-open view

Fig. 3 is the partial schematic diagram that key is connected with the key spoon

(1) nodel line is divided in display, (2) panel, (3) digital figure key, (4) cancel key, (6), (8) spring, (7) panel inboard, (9) transmission bracket, (10) cathode contact, (11) key spoon, (12) drive link, (13) guiding surface, (14) return inclined-plane, (15) locating surface, (5).

As shown in the figure, the Keyboard calculator of present embodiment is provided with 10 retainings.Need certain number during calculating, just find earlier digital figure key that the key face has respective digital represented and a figure downwards by, the key spoon (11) that key is oppressed this key moves vertically downward and promotes guiding surface (13), thereby drive link (12) is moved right, under the effect of spring (8), drive link (12) is return rapidly, and make this key keycard on locating surface (15), when key spoon (11) when moving downward vertically, this key spoon lower end then contacts with display cathode contact (10) and connects circuit, and display just shows corresponding information.The key that is pressed is starkly lower than other key of awaiting orders because of the key keycard on locating surface, each inboard of panel (7) that this key is relative is then obviously exposed because of color is different, operator and observer can both come into plain view, if will be in this another numeral of retaining input, then press another corresponding digital graph key equally, promote drive link and move right when the key spoon of this key moves downward equally, the key spoon that is stuck in locating surface this moment more earlier will move to right and the effect of spring (6) return rapidly because of drive link, and keyboard and display will show that the back imports the corresponding information of this key.When pressing cancel key (4), because of each keeps off a shared cancel key, again because of return inclined-plane (14) the widest part greater than guiding surface, promote drive link when the key spoon of cancel key moves down and move right and promote the drive link distance that moves right when distance wants big other key to press, this is enough to make respectively blocks any digital figure key return.Since this key do not have locating surface on the right drive link, self-return at once always after this key is pressed.

Calculated examples 1.(27+49)

1. summand 27 is keyed in a position of keyboards and ten, image be " ¨ ",

";

2. will add several 9 and summand position 7 addition, i.e. image Addition, two " ☆ " surplus "

";

3. two " ☆ " Xiang Shiwei of individual position are advanced one, ten and become " ∴ ";

4. i.e. " ∴ " addition on ten of " ∷ " and the summands of the tens 4 of addend is got visual "

";

5. on the last keyboard digital 76, image is

Calculated examples 2.（27－19）

1. minuend 27 is keyed in keyboards, ten keys image is " ¨ ", individual key image be "

";

2. 7 of minuend position " ", minuend 9 " " subtract, subtract inadequately, move back 1 to individual by ten and get two " ☆ ", subtract " " get " " be added in the position "

" go up "

";

3. get after minuend moves back 1 " ", deduct subtrahend " ", get " 0 ";

Final image be " ", promptly poor is 8.

Calculated examples 3.(45 * 36) use multiplication behind the position

1. key in keyboard with 45, the right is a long-pending position every four retainings, and the brain note or the left side key in 36,

With 36 take advantage of 5 180, image be " ", "

", " do not have figure "; With multiplicand 5 cancellations;

With 40 * 36 visual " ", " ∷ ", " ∷ ", " not having figure ", add up while taking advantage of visual " ", "

", " ¨ ", " do not have figure ", long-pending is 1620.

Calculated examples 4.(686 ÷ 49)

1. key in keyboard with 686, the back is every three position that keeps off to the merchant, and brain is remembered or keyed on the 49 on the left side neutrals;

2. remove 68 examination merchants 1 with 49, key on ten of merchant, from 68, deduct 49,19, image be " ", "

", with individual bit image be " ", "

", "

";

3. remove 196 examination merchants 4 with 49, key in merchant's a position, 4 take advantage of 49 subtract 196 surplus 0,

4. last merchant is 14, image " ", " ∷ ".

Calculated examples 5.(38 ²)

1. key in keyboard with 38, the right is every the position of two retainings for power;

With the truth of a matter 38 the position multiply by 2, again with ten 360 together 46;

3. 3 of end tens place is taken advantage of 46, get 1380;

4. truth of a matter position 8 power are got 64, again with 1380 additions;

5. last that power is 1444.

Calculated examples 6.(

)

1. key in keyboard with 1156, stay the principle of two retainings to reserve neutral on the right according to one decimal of every reservation;

2. being divided into two sections, first section with 1156, to be 11, the second sections be 56;

3. in first section just surplus in the of squares 9 of root 32; First root 3 is keyed in left from first three retaining place of former radical;

4. first 5 of 2 and second of first section remainder sections is combined into 25, as divisor divided by 3,8 key in left from the blocking of one of first root, deduct 3 * 8 with 25 surplus 1;

Again with second section second 6 with the remainder unification be 16;

6. examination merchant 8,8 gets time root 4,4 * 4 divided by 2 and gets 16;

7. remainder is 0, and expression is opened to the greatest extent, and getting root is 34.

Claims (5)

1, a kind of Keyboard calculator, it is characterized in that this Keyboard calculator is made up of mechanical keyboard and electronic display unit, its mechanical keyboard is to be made of several gears, ten digital graph keys of every retaining (3), each keeps off a shared cancel key (4), keyboard mainly is made up of panel (2), digital figure key (3), cancel key (4), spring (6), (8), transmission bracket (9), key spoon (11), drive link (12) etc., and electronic display unit mainly is made up of electronic console (1) and cathode contact (10) etc.

2, Keyboard calculator according to claim 1, indicate respectively on the digital figure key that it is characterized in that whenever blocking numeral 1 to 0 and in order to represent numeral 1 to 9 figure " ", " ¨ ", " ∴ ", " ∷ ", " ☆ ",

, indicate no figure on numeral 0 the key.

3, Keyboard calculator according to claim 1 is characterized in that the color of the panel inboard (7) that each is relative with the digital figure key and the color of panel (2) have obvious difference, in the middle of panel (2) is gone up per three retainings a branch nodel line (5) is arranged.

4, Keyboard calculator according to claim 1 is characterized in that electronic display unit and mechanical keyboard adopt detachable the connection.

5, Keyboard calculator according to claim 1, it is characterized in that there is a guiding surface (13) drive link (12) and the contacted end of key spoon (11) of each digital figure key, inclined-plane the widest part is larger than or the drive link width that equals to be attached thereto adds the thickness sum of key spoon (11), between guiding surface (13) and drive link (12) locating surface (15) is arranged, the contacted end of key spoon (11) of drive link (12) and cancel key (4), once the position inclined-plane (14), its inclined-plane the widest part is greater than the widest part of guiding surface (13).

Images