CN211742607U - Voice broadcast display device - Google Patents
Voice broadcast display device Download PDFInfo
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- CN211742607U CN211742607U CN202020758493.6U CN202020758493U CN211742607U CN 211742607 U CN211742607 U CN 211742607U CN 202020758493 U CN202020758493 U CN 202020758493U CN 211742607 U CN211742607 U CN 211742607U
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Abstract
The utility model discloses a voice broadcast display device, including voice broadcast control circuit and the human response circuit of electric connection voice broadcast control circuit respectively and report information display circuit, voice broadcast control circuit includes: the single chip microcomputer is electrically connected with the human body induction circuit, is used for converting human body signals sensed by the human body induction circuit into voice broadcast signals and sending the voice broadcast signals to the voice broadcast circuit, is used for converting the human body signals into broadcast information display signals and sending the broadcast information display signals to the broadcast information display circuit, and the broadcast information display circuit displays pre-stored voice broadcast information to passers according to the received broadcast information display signals; the voice broadcast circuit is connected with the single chip microcomputer and used for carrying out voice broadcast according to the received voice broadcast signals. The utility model discloses carry out automatic voice broadcast according to the human body signal that senses to the voice broadcast information that will burn in advance simultaneously passes through the display screen in time to show for passerby, in order can also in time warn passerby when the site noise covers the voice broadcast sound.
Description
Technical Field
The utility model relates to a voice broadcast technical field, concretely relates to voice broadcast display device.
Background
In some special work scenes, for example, in a building site, workers need to be timely broadcasted with voice to perform safety prompt, a mode generally adopted is to perform continuous voice broadcasting in an artificial broadcasting mode, but the artificial broadcasting mode needs a specially-assigned person to perform broadcasting, human resources are occupied, and the broadcasting effect is not ideal and not intelligent enough. For example, when the contents to be broadcasted in different areas of the same building site are not consistent, the traditional artificial broadcasting mode needs multiple people to perform broadcasting in different time periods in different areas, the efficiency is extremely low, the noise of a construction site is large, if the broadcasting noise is too large, auditory pollution is generated, and if the broadcasting noise is too small, the broadcasting noise covers the broadcasting noise to influence the broadcasting effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a voice broadcast display device carries out automatic voice broadcast according to the human body signal that senses to the voice broadcast information that will burn in advance simultaneously passes through the display screen and in time shows for passerby, in order can also in time warn passerby when site noise covers the voice broadcast newspaper.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a voice broadcast display device, include voice broadcast control circuit and electricity respectively the human response circuit of voice broadcast control circuit with report information display circuit, specifically include among the voice broadcast control circuit:
the single chip microcomputer is electrically connected with the human body induction circuit, is used for converting a human body signal induced by the human body induction circuit into a voice broadcast signal and sending the voice broadcast signal to the voice broadcast circuit, is used for converting the human body signal into a broadcast information display signal and sending the broadcast information display signal to the broadcast information display circuit, and the broadcast information display circuit displays pre-stored voice broadcast information to passers according to the received broadcast information display signal;
the voice broadcasting circuit is connected with the singlechip and is used for carrying out voice broadcasting according to the received voice broadcasting signal;
the voice broadcast display device further comprises a power circuit, wherein the power circuit is used for supplying a working power source to the voice broadcast control circuit, the human body induction circuit and the broadcast information display circuit.
As an optimal scheme of the utility model, the concrete model of singlechip is STM32F103RBT 6.
As the utility model discloses an optimal scheme, specifically include in the voice broadcast circuit:
the voice broadcasting chip is electrically connected with the loudspeaker of the voice broadcasting chip, and a first pin of the voice broadcasting chip is grounded;
the eighth pin of the voice broadcast chip is connected with a capacitor C21 in series and then is connected with the first pin of the voice broadcast chip;
a second pin of the voice broadcasting chip is connected with a fifty-seventh pin of the singlechip;
a third pin of the voice broadcasting chip is connected with a fifty-ninth pin of the single chip microcomputer;
a fourth pin of the voice broadcasting chip is connected with a fifty-eighth pin of the single chip microcomputer;
a fifth pin of the voice broadcasting chip is connected with a first input end of the loudspeaker;
a sixth pin of the voice broadcasting chip is connected with a second input end of the loudspeaker;
and a seventh pin of the voice broadcast chip is connected with 3.3V voltage.
As a preferred scheme of the utility model, the voice broadcast circuit still includes a filter capacitor C19, the one end connection of filter capacitor C19 inserts the voice broadcast chip 3.3V voltage, filter capacitor C19's other end ground connection.
As an optimal scheme of the utility model, the model of voice broadcast chip is SC 5040B.
As an optimized proposal of the utility model, the loudspeaker is an audible and visual alarm.
As a preferred scheme of the utility model, the voice broadcast control circuit further comprises a crystal oscillator circuit, and a first output end of the crystal oscillator circuit is connected with a fifth pin of the single chip microcomputer;
a second output end of the crystal oscillator circuit is connected with a sixth pin of the singlechip;
a resistor R5 is connected between the first output end and the second output end of the crystal oscillator circuit;
two ends of the resistor R5 are connected with a crystal oscillator Y1 in parallel;
one end of the crystal oscillator Y1 is connected with a capacitor C13 in series and then is grounded; the other end of the crystal oscillator Y1 is connected in series with a capacitor C14 and then grounded.
As a preferred scheme of the utility model, the voice broadcasting control circuit further comprises a reset circuit, and the output end of the reset circuit is connected with the seventh pin of the single chip microcomputer;
the output end of the reset circuit is connected with a reset key and then grounded;
two ends of the reset key are connected with a capacitor C8 in parallel;
the output end of the reset circuit is connected with a resistor R2 in series and then is connected with 3.3V voltage.
As an optimized proposal of the utility model, the human body induction circuit is a thermal infrared human body inductor or a proximity sensor.
As the utility model discloses an optimal scheme, report information display circuit including report information display chip and electricity respectively connect report information display chip's memory and liquid crystal display, report information display chip receiving will prestore behind the report information display signal that the singlechip sent in the memory voice broadcast information passes through liquid crystal display demonstrates for the passerby.
The utility model discloses can carry out automatic voice broadcast according to the human body signal that senses to the voice broadcast information that will burn in advance simultaneously passes through the display screen in time to show for passerby, in order can also in time warn passerby when the site noise covers the voice broadcast sound.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic view of an internal structure of a voice broadcasting display device according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a voice broadcast control circuit;
fig. 3 is a schematic circuit diagram of a voice broadcast circuit in the voice broadcast control circuit;
fig. 4 is a schematic structural diagram of a broadcast information display circuit;
fig. 5 is a first schematic diagram of the voice broadcast information displayed by the voice broadcast display device;
fig. 6 is a second schematic diagram of the voice broadcast information displayed by the voice broadcast display device;
fig. 7 is a third schematic view of the voice broadcast information displayed by the voice broadcast display apparatus.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the utility model provides a voice broadcast display device please refer to fig. 1, including voice broadcast control circuit 1 and respectively the electric human induction circuit 2 and the broadcast information display circuit 3 of connecting voice broadcast control circuit 1, please refer to fig. 2, specifically include in the voice broadcast control circuit 1:
the single chip microcomputer 11 is electrically connected with the human body induction circuit 2, and is used for converting the human body signals induced by the human body induction circuit 2 into voice broadcast signals and sending the voice broadcast signals to the voice broadcast circuit, converting the human body signals into broadcast information display signals and sending the broadcast information display signals to the broadcast information display circuit 3, and the broadcast information display circuit 3 displays pre-stored voice broadcast information to passers according to the received broadcast information display signals;
the voice broadcasting circuit is connected with the singlechip 11 and is used for carrying out voice broadcasting according to the received voice broadcasting signal;
the voice broadcast display device further comprises a power circuit 4, and the power circuit 4 is used for providing a working power supply for the voice broadcast control circuit 1, the human body induction circuit 2 and the broadcast information display circuit 3.
Preferably, the type of the single chip microcomputer 11 in the voice broadcast control circuit 1 is STM32F103RBT 6.
Referring to fig. 3, the voice broadcast circuit specifically includes:
a voice broadcasting chip 121 and a speaker 122 electrically connected to the voice broadcasting chip 121, wherein the voice broadcasting chip 121 drives the speaker 122 to broadcast voice according to a voice broadcasting signal sent by the single chip microcomputer 11;
a first pin of the voice broadcasting chip 121 is grounded;
the eighth pin of the voice broadcast chip 121 is connected in series with a capacitor C21 and then connected with the first pin of the voice broadcast chip 121;
the second pin of the voice broadcasting chip 121 is connected to the fifty-seventh pin of the single chip microcomputer 11;
a third pin of the voice broadcasting chip 121 is connected to a fifty-ninth pin of the single chip microcomputer 11;
a fourth pin of the voice broadcasting chip 121 is connected to a fifty-eighth pin of the single chip microcomputer 11;
the fifth pin of the voice broadcasting chip 121 is connected to the first input end 1221 of the speaker 122;
the sixth pin of the voice broadcasting chip 121 is connected to the second input terminal 1222 of the speaker 122;
the seventh pin of the voice broadcasting chip 121 is connected to a 3.3V operating voltage.
In order to improve the stability of the operating voltage input to the voice broadcast chip 121, preferably, the voice broadcast circuit further includes a filter capacitor C19, one end of the filter capacitor C19 is connected to the operating voltage input to the voice broadcast chip 121, and the other end of the filter capacitor C19 is grounded.
Preferably, the voice broadcasting chip 121 has a model number of SC 5040B.
To enhance the effect of the voice broadcast, the speaker 122 is preferably an audible and visual alarm that can emit sound and light simultaneously.
Referring to fig. 2 again, the voice broadcast control circuit 1 further includes a crystal oscillator circuit, and a first output terminal 101 of the crystal oscillator circuit is connected to a fifth pin of the single chip microcomputer 11;
a second output end 102 of the crystal oscillator circuit is connected with a sixth pin of the singlechip 11;
a resistor R5 is connected between the first output end 101 and the second output end 102 of the crystal oscillator circuit;
two ends of the resistor R5 are connected with a crystal oscillator Y1 in parallel;
one end of the crystal oscillator Y1 is connected with the capacitor C13 in series and then is grounded; the other end of the crystal oscillator Y1 is connected in series with the capacitor C14 and then grounded.
Referring to fig. 2, the voice broadcast control circuit 1 further includes a reset circuit, and an output terminal 103 of the reset circuit is connected to a seventh pin of the single chip microcomputer 11;
the output end 103 of the RESET circuit is connected with a RESET key RESET1 and then grounded;
two ends of the RESET key RESET1 are connected with a capacitor C8 in parallel;
the output terminal 103 of the reset circuit is connected in series with a resistor R2 and then connected with 3.3V.
Among the above-mentioned technical scheme, power supply circuit 4's effect is to change input voltage into the operating voltage that is fit for pronunciation to broadcast control circuit 1, human response circuit 2 and report information display circuit 3 work, for example changes into 3.3V operating voltage.
The body sensing circuit 2 is preferably composed of a thermal infrared body sensor or a proximity sensor. When the human body is close to the voice broadcast display device that this embodiment provided and reaches predetermined distance threshold value, human body induction circuit 2 senses the human body and generates human body signal and send for singlechip 11. The singlechip 11 generates a voice broadcast signal according to the received human body signal and sends the voice broadcast signal to the voice broadcast circuit, and simultaneously generates a broadcast information display signal and sends the broadcast information display signal to the broadcast information display circuit 3.
Referring to fig. 4, the broadcast information display circuit 3 includes a broadcast information display chip 31, and a memory 32 and a liquid crystal display 33 electrically connected to the broadcast information display chip 31, respectively, and the broadcast information display chip 31 displays the voice broadcast information prestored in the memory 32 to passers-by through the liquid crystal display 33 after receiving the broadcast information display signal sent by the single chip microcomputer 11. The schematic diagram of the voice broadcast information displayed by the voice broadcast display device provided in this embodiment refers to fig. 5 to 7.
Preferably, the broadcast information display chip 31 is a single chip microcomputer, and the model of the single chip microcomputer may also be STM32F103RBT 6.
In order to reduce the manufacturing cost of the voice broadcast display device, a single chip microcomputer in the voice broadcast control circuit can be simultaneously used as a broadcast information display chip in the broadcast information display circuit.
It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (10)
1. The utility model provides a voice broadcast display device, its characterized in that includes voice broadcast control circuit and electricity respectively the human response circuit of voice broadcast control circuit with report information display circuit, specifically include among the voice broadcast control circuit:
the single chip microcomputer is electrically connected with the human body induction circuit, is used for converting a human body signal induced by the human body induction circuit into a voice broadcast signal and sending the voice broadcast signal to the voice broadcast circuit, is used for converting the human body signal into a broadcast information display signal and sending the broadcast information display signal to the broadcast information display circuit, and the broadcast information display circuit displays pre-stored voice broadcast information to passers according to the received broadcast information display signal;
the voice broadcasting circuit is connected with the singlechip and is used for carrying out voice broadcasting according to the received voice broadcasting signal;
the voice broadcast display device further comprises a power circuit, wherein the power circuit is used for supplying a working power source to the voice broadcast control circuit, the human body induction circuit and the broadcast information display circuit.
2. The voice broadcast display device of claim 1, wherein the specific model of the single chip microcomputer is STM32F103RBT 6.
3. The voice broadcast display device of claim 1, wherein the voice broadcast circuit specifically comprises:
the voice broadcasting chip is electrically connected with the loudspeaker of the voice broadcasting chip, and a first pin of the voice broadcasting chip is grounded;
the eighth pin of the voice broadcast chip is connected with a capacitor C21 in series and then is connected with the first pin of the voice broadcast chip;
a second pin of the voice broadcasting chip is connected with a fifty-seventh pin of the singlechip;
a third pin of the voice broadcasting chip is connected with a fifty-ninth pin of the single chip microcomputer;
a fourth pin of the voice broadcasting chip is connected with a fifty-eighth pin of the single chip microcomputer;
a fifth pin of the voice broadcasting chip is connected with a first input end of the loudspeaker;
a sixth pin of the voice broadcasting chip is connected with a second input end of the loudspeaker;
and a seventh pin of the voice broadcast chip is connected with 3.3V voltage.
4. The voice broadcast display device of claim 3, wherein the voice broadcast circuit further comprises a filter capacitor C19, one end of the filter capacitor C19 is connected to the 3.3V voltage connected to the voice broadcast chip, and the other end of the filter capacitor C19 is grounded.
5. A voice broadcast display device as claimed in claim 3 wherein the voice broadcast chip is of model SC 5040B.
6. The voice broadcast display device of claim 3, wherein the speaker is an audible and visual alarm.
7. The voice broadcast display device of claim 1, wherein the voice broadcast control circuit further comprises a crystal oscillator circuit, and a first output end of the crystal oscillator circuit is connected to a fifth pin of the single chip microcomputer;
a second output end of the crystal oscillator circuit is connected with a sixth pin of the singlechip;
a resistor R5 is connected between the first output end and the second output end of the crystal oscillator circuit;
two ends of the resistor R5 are connected with a crystal oscillator Y1 in parallel;
one end of the crystal oscillator Y1 is connected with a capacitor C13 in series and then is grounded; the other end of the crystal oscillator Y1 is connected in series with a capacitor C14 and then grounded.
8. The voice broadcasting display device of claim 1 or 7, wherein the voice broadcasting control circuit further comprises a reset circuit, and an output end of the reset circuit is connected with a seventh pin of the single chip microcomputer;
the output end of the reset circuit is connected with a reset key and then grounded;
two ends of the reset key are connected with a capacitor C8 in parallel;
the output end of the reset circuit is connected with a resistor R2 in series and then is connected with 3.3V voltage.
9. The voice broadcast display device of claim 1, wherein the body sensing circuit is a thermal infrared body sensor or a proximity sensor.
10. The voice broadcast display device of claim 1, wherein the broadcast information display circuit comprises a broadcast information display chip and a memory and a liquid crystal display screen which are electrically connected with the broadcast information display chip respectively, the broadcast information display chip receives the broadcast information display signal sent by the single chip microcomputer and then prestores the voice broadcast information in the memory, and the voice broadcast information is displayed on the liquid crystal display screen to the passerby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758493.6U CN211742607U (en) | 2020-05-09 | 2020-05-09 | Voice broadcast display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758493.6U CN211742607U (en) | 2020-05-09 | 2020-05-09 | Voice broadcast display device |
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| Publication Number | Publication Date |
|---|---|
| CN211742607U true CN211742607U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020758493.6U Active CN211742607U (en) | 2020-05-09 | 2020-05-09 | Voice broadcast display device |
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| CN (1) | CN211742607U (en) |
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- 2020-05-09 CN CN202020758493.6U patent/CN211742607U/en active Active
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