CN215182519U

CN215182519U - Sound Wall Chart

Info

Publication number: CN215182519U
Application number: CN202120749841.8U
Authority: CN
Inventors: 钱俊; 袁长玲; 张海斋; 陈云阳; 李济元; 黄进娥; 胡然; 陈疏桐; 卜耘秋; 王鑫; 钱雨婷; 别一飞
Original assignee: Wuhan Shidimu Cultural Media Co ltd
Current assignee: Wuhan Shidimu Culture Technology Co ltd; Wuhan University WHU
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-14
Anticipated expiration: 2031-04-13

Abstract

The utility model belongs to the field of children's teaching aids, and in particular relates to a sounding wall chart, which at least comprises a first bottom plate for printing a first circuit, the first circuit is provided with N first contacts, and the first contacts are arranged on X strips. On the first wire, and on the second base plate where the second circuit is printed, the second circuit is provided with N second contacts, the second contacts are arranged on the Y second wires, and the first circuit is printed on the first circuit. The upper surface of a base plate, the second base plate is arranged above the upper surface of the first base plate, the second circuit is printed on the upper surface of the second base plate, and the second base plate is provided with through holes corresponding to the positions of the first contacts. The two contacts and their adjacent first contacts form a set of contacts; it also includes a puzzle piece with conductive ink printed on the bottom, and the puzzle piece connects the first circuit and the second circuit by connecting a set of contacts. The absence of an insulating layer in this solution can save production costs, and at the same time allow children to focus on learning patterns, and can also cultivate children's ability to recognize patterns.

Description

Sounding wall map

Technical Field

The utility model belongs to children's teaching aid field, in particular to sound production wall map.

Background

The existing sounding wall map structure is a three-layer structure with an insulating layer arranged between an upper layer circuit and a lower layer circuit, for example, the sounding wall map disclosed in the Chinese utility model patent CN 201120124415-an electronic sounding learning wall map and the Chinese invention patent CN 104240589B-double-sided sounding wall map has the following defects: 1. in order to print the study pattern on the surface, the two layers of circuits are oppositely arranged in the hanging chart, and in order to avoid the circuits being always connected or wrongly connected, an insulating layer is required to be arranged between the two layers of circuits to separate the two layers of circuits, so that the production cost is increased; 2. the sound production principle is that the contact points of two layers of circuits are mutually contacted by pressing a button in the shape of a horn on the surface of the wall map so as to connect a circuit to produce sound, the shape of the contact points is matched with the shape of the horn due to the printing and manufacturing process, the attention of children is always focused on pressing the shape of the horn on the surface of the wall map when the children use the wall map, and the attention points are not printed on learning patterns, phonetic letters and the like on the wall map at all, so that the wall map can not play an ideal teaching role in practice.

Disclosure of Invention

A sounding wall map at least comprises a first bottom plate for printing a first circuit, wherein the first circuit is provided with N first contacts, the first contacts are arranged on X first leads, and a second bottom plate for printing a second circuit is provided with N second contacts, the second contacts are arranged on Y second leads, the first circuit is printed on the upper surface of the first bottom plate, the second bottom plate is arranged above the upper surface of the first bottom plate, the second circuit is printed on the upper surface of the second bottom plate, the second bottom plate is provided with through holes corresponding to the positions of the first contacts, and each second contact and the adjacent first contacts form a group of contacts; the circuit board further comprises a jigsaw with the bottom printed with conductive ink, and the jigsaw is communicated with the first circuit and the second circuit by connecting a group of contacts.

And the panel is arranged on the second bottom plate, die-cut holes corresponding to the shapes of the puzzles are die-cut on the panel, and the puzzles can be embedded into the die-cut holes in the shapes of the puzzles.

And the jigsaw is embedded into the die-cut hole to communicate the first line and the second line.

Moreover, the first bottom plate and the second bottom plate are attached into a whole.

Moreover, the first circuit and the second circuit are both connected with the circuit board.

And each first line and each second line are connected with different pins of the circuit board, and the pin number of the circuit board is more than or equal to X + Y.

Moreover, the circuit board is also provided with a control unit and a sound production unit.

Further, the first conductive line is disposed in the lateral direction and the second conductive line is disposed in the longitudinal direction, or the first conductive line is disposed in the longitudinal direction and the second conductive line is disposed in the lateral direction.

Moreover, the upper surface of the jigsaw puzzle is provided with a bulge.

Compared with the prior art, the invention has the beneficial effects that: 1. the two layers of circuits are respectively arranged on the upper surfaces of the first base plate and the second base plate, and because the lower surface of the second base plate is not provided with a circuit, the two layers of circuits are not in direct contact communication, so that the layer structure of an insulating layer is omitted, and the production cost is reduced; 2. the sound production principle of the invention is that the jigsaw with the bottom printed with conductive ink is used for communicating the second circuit with the first circuit right below the through hole (namely, a group of contacts are connected), and when the toy is used, children focus on the jigsaw, namely, focus on the learning pattern printed on the jigsaw, so that the teaching effect of the children is obviously improved, and the significance of a teaching aid is really achieved; 3. the panel is also provided with a die-cutting hole corresponding to the shape of the jigsaw puzzle, the jigsaw puzzle can be embedded into the die-cutting hole corresponding to the shape of the jigsaw puzzle, different die-cutting holes correspond to different jigsaw shapes, the jigsaw puzzle can be conveniently embedded and placed, the effect of enabling children to recognize the jigsaw puzzle and the shape of the die-cutting hole can be achieved, and the teaching effect of the pattern recognition capability is improved; 4. the first conducting wires and the second conducting wires are arranged in different directions, so that each first conducting wire and each second conducting wire can only be connected into a unique loop by a jigsaw puzzle with bottom printed conductive ink, and therefore, the jigsaw puzzle can be uniquely identified by a control unit on a circuit board and sends a corresponding instruction.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic circuit diagram of a first backplane according to an embodiment;

FIG. 3 is a schematic circuit diagram of a second backplane according to the embodiment;

FIG. 4 is a schematic diagram of a circuit loop formed when the circuit is connected according to the embodiment of the present invention.

Description of reference numerals: 1. the circuit board comprises a first bottom plate, a second bottom plate, a panel, a second bottom plate, a die-cut hole, a circuit board, a first conducting wire, a second conducting wire, a circuit board, a conducting ink, a jigsaw puzzle, a first contact, a second contact and a conducting ink, wherein the jigsaw puzzle is printed on the bottom of the circuit board, the first conducting wire, the second conducting wire, a through hole and a through hole, the conducting ink is printed on the bottom of the jigsaw puzzle, and the first contact, the first contact and the second contact are arranged on the circuit board.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples, but the present invention is not limited to the following examples.

A sounding wall map is provided, which is provided with a panel 1, a second bottom plate 3 and a first bottom plate 2 from top to bottom in the structure level as shown in figure 1, wherein the first bottom plate and the second bottom plate are jointed into a substantial body, the second bottom plate is arranged above the upper surface of the first bottom plate, the first bottom plate and the second bottom plate are both connected with a same circuit board 5, the circuit board is covered by the panel and can not be directly seen from the outside, and the circuit board is connected with a power supply, such as a button cell. Die cutting holes 4 corresponding to the shapes of the jigsaw puzzle are cut on the panel.

A first circuit is printed on the upper surface of the first base plate, the first circuit is provided with X first leads 6 which are transversely arranged and provided with N first contacts, in the embodiment, N is 3, X is 3, and the 3 first leads are respectively connected with 3 different pins of the circuit board;

the upper surface printing second circuit of second bottom plate, the second circuit is equipped with the Y second wire 7 that has N second contacts of vertical setting, in the embodiment N3, Y3, these 3 second wires are connected respectively the different pins of circuit board, and every first circuit all is being connected the different pin of circuit board with the second circuit, 9 through-holes 8 have been seted up to the second bottom plate, the through-hole corresponds with the position and the quantity of first contact, the through-hole shape need not be identical with the picture arragement shape completely. When the circuit is manufactured, because each first line and each second line are connected with different pins of the circuit board, the total pin number of the circuit board is required to be more than or equal to X + Y, the contacts can be distributed on the same wire or a plurality of wires according to the condition, and the positions and the number of the through holes are matched with those of the first contacts. The design of the contact also has the functions of facilitating the jigsaw to communicate the first circuit and the second circuit and increasing the fault tolerance rate.

The circuit situation of the first backplane is schematically shown in fig. 2, and the circuit situation of the second backplane is schematically shown in fig. 3. The first circuit, the second circuit and the bottom of the jigsaw are all printed by adopting conductive ink, when the jigsaw with the bottom printed with the conductive ink is embedded into the die-cut hole of the panel, the second circuit is communicated with the first circuit right below the through hole, and the circuit loop is the circuit board, the first lead, the jigsaw with the bottom printed with the conductive ink, the second lead and the circuit board. At this time, the circuit loop schematic forms a x1y1 loop as shown in fig. 4. As shown in the figure, when the jigsaw puzzle with the bottom printed with the conductive ink does not exist, the circuit can not form a loop, and because the arrangement directions of the first conducting wire and the second conducting wire are different, the circuit formed by connecting each jigsaw puzzle into a unique group of circuit board pins corresponding to the loop can be ensured, so that the circuit corresponds to a unique loop, and the circuit can be uniquely identified by a control unit on the circuit board to send a corresponding instruction. In this embodiment, there are 9 loops, which can allow the control unit on the circuit board to send out 9 instructions, and can cooperate with the buzzer, the bulb or the voice chip to play a teaching role.

The learning patterns are printed on the surface of the panel and can be used as an outer frame to clamp and fix the jigsaw position, so that the jigsaw can not fall off from a hanging picture, children can recognize the shapes of the jigsaw and the die cutting hole, and only when the shapes are recognized correctly, the jigsaw can be embedded into the jigsaw connecting circuit, and the effect of connecting a group of contacts to communicate the first circuit and the second circuit can be achieved. The first bottom plate can be made of materials with certain resilience or difficult deformation, such as plastics, hard boards and the like, and the situation that the circuit cannot be communicated due to the fact that the first bottom plate is pressed and deformed by the pressure of the jigsaw puzzle is avoided.

The upper surface of the jigsaw is provided with a bulge, and the bulge protrudes out of the panel when the jigsaw is placed in the panel, so that the jigsaw can be used as a handle, and children can conveniently grasp and lift the jigsaw.

Claims

1. The utility model provides a sound production wall map, is at least including the first bottom plate of printing first circuit, first circuit is equipped with a N first contact, first contact is arranged on X first wire to and the second bottom plate of printing second circuit, the second circuit is equipped with a N second contact, the second contact is arranged on Y second wire, its characterized in that: the first circuit is printed on the upper surface of the first base plate, the second base plate is arranged above the upper surface of the first base plate, the second circuit is printed on the upper surface of the second base plate, the second base plate is provided with through holes corresponding to the positions of the first contacts, and each second contact and the adjacent first contacts form a group of contacts; the circuit board further comprises a jigsaw with the bottom printed with conductive ink, and the jigsaw is communicated with the first circuit and the second circuit by connecting a group of contacts.

2. The sounding wall map according to claim 1, characterized in that: the panel is arranged on the second bottom plate, die-cut holes corresponding to the shapes of the jigsaw puzzles are formed in the panel through die cutting, and the jigsaw puzzles can be embedded into the die-cut holes in the shapes of the jigsaw puzzles.

3. The sounding wall map according to claim 2, characterized in that: the jigsaw is embedded into the die-cutting hole to communicate the first line and the second line.

4. The sounding wall map according to claim 1, characterized in that: the first bottom plate and the second bottom plate are attached into a whole.

5. The sounding wall map according to claim 1, characterized in that: the first circuit and the second circuit are both connected with the circuit board.

6. The sounding wall map according to claim 5, characterized in that: each first line and each second line are connected with different pins of the circuit board, and the pin number of the circuit board is more than or equal to X + Y.

7. The sounding wall map according to claim 5, characterized in that: the circuit board is also provided with a control unit and a sound production unit.

8. The sounding wall map according to claim 5, characterized in that: the first conducting wire is arranged along the transverse direction and the second conducting wire is arranged along the longitudinal direction, or the first conducting wire is arranged along the longitudinal direction and the second conducting wire is arranged along the transverse direction.

9. The sounding wall map according to claim 1, characterized in that: the upper surface of the jigsaw puzzle is provided with a bulge.