CN210721732U - Audible and visual alarm - Google Patents
Audible and visual alarm Download PDFInfo
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- CN210721732U CN210721732U CN201921374219.2U CN201921374219U CN210721732U CN 210721732 U CN210721732 U CN 210721732U CN 201921374219 U CN201921374219 U CN 201921374219U CN 210721732 U CN210721732 U CN 210721732U
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Abstract
The application relates to an audible and visual alarm which comprises a shell, a loudspeaker window, an alarm lamp window and an aviation plug which are arranged on the shell, and a power circuit and an alarm trigger circuit which are arranged inside the shell; the shell also comprises a loudspeaker and an alarm lamp; the outgoing cable of the aviation plug is a four-core cable, wherein two wires are power wires, and the other two wires are signal wires; the input end of the power supply circuit is connected with a power line, and the output end of the power supply circuit is connected with the power supply input end of the alarm trigger circuit; the signal input end of the alarm trigger circuit is connected with the signal line, and the signal output end of the alarm trigger circuit is respectively connected with the loudspeaker and the alarm lamp and used for triggering the loudspeaker and the alarm lamp to alarm according to the received signals. By applying the technical scheme provided by the embodiment of the application, the problems of incomplete alarm function and low practicability of the alarm instrument in the related technology can be solved.
Description
Technical Field
The application relates to the technical field of mining equipment, in particular to an audible and visual alarm.
Background
When underground mineral exploitation is carried out, when ventilation of a mine does not reach the standard or other accidents occur, gas overrun or leakage of harmful gases such as methane and carbon monoxide can easily occur, and under the condition, personnel can not timely know that personal safety accidents are possibly caused by gas poisoning if underground personnel can not timely know. Therefore, when harmful gas leakage occurs, an alarm must be given in time to remind underground personnel to evacuate.
At present, underground coal mines have more detection devices for various accidents, but the existing instrument with the alarm function has incomplete alarm function and low practicability.
SUMMERY OF THE UTILITY MODEL
The application provides an audible and visual alarm to at least solve the alarm instrument alarming function imperfection among the correlation technique to a certain extent, problem that the practicality is not high.
The above object of the present application is achieved by the following technical solutions:
the embodiment of the application provides an audible and visual alarm, includes: the alarm device comprises a shell, a speaker window and an alarm lamp window which are arranged at the front part of the shell, an aviation plug arranged on the side surface of the shell, and a power circuit and an alarm trigger circuit which are arranged in the shell;
the inside of the shell also comprises a loudspeaker arranged at the position of the loudspeaker window and an alarm lamp arranged at the position of the alarm lamp window;
the outgoing cable of the aviation plug is a four-core cable, two wires of the four-core cable are power lines and are used for being connected with the anode and the cathode of a power supply respectively, and the other two wires are signal lines and are used for carrying out data transmission with external detection equipment;
the input end of the power circuit is connected with the power line, the output end of the power circuit is connected with the power input end of the alarm trigger circuit, and the power circuit is used for providing a working power supply for the audible and visual alarm through an external power supply;
the signal input end of the alarm trigger circuit is connected with the signal line, and the signal output end of the alarm trigger circuit is respectively connected with the loudspeaker and the alarm lamp and used for triggering the loudspeaker and the alarm lamp to alarm according to the received signals.
Optionally, the power circuit includes a buck-boost circuit and a voltage regulator circuit;
the input end of the voltage-boosting circuit is connected with the power line and is used for converting the voltage of an external power supply into the rated working voltage of each electric element in the acousto-optic alarm;
the input end of the voltage stabilizing circuit is connected with the output end of the buck-boost circuit, the output end of the voltage stabilizing circuit is connected with each electric element in the audible and visual alarm, and the voltage stabilizing circuit is used for stabilizing the power supply voltage converted by the buck-boost circuit.
Optionally, the alarm triggering circuit includes a digital control circuit, a decoding circuit, a voice alarm circuit and a light alarm circuit;
the input end of the digital control circuit is connected with the signal wire, and the output end of the digital control circuit is connected with the decoding circuit, and the digital control circuit is used for transmitting the received digital signal to the decoding circuit;
the output end of the decoding circuit is respectively connected with the voice alarm circuit and the light alarm circuit and is used for decoding the digital signal and triggering the voice alarm circuit and the light alarm circuit to start working;
the voice alarm circuit is also connected with the loudspeaker and is used for enabling the loudspeaker to send out preset alarm voice when in work; the light alarm circuit is also connected with the alarm lamp and used for enabling the alarm lamp to send out preset alarm light when in work.
Optionally, the voice alarm circuit includes a voice chip, and at least two kinds of alarm voices are prestored in the voice chip; the voice alarm circuit is specifically used for sending different alarm voices according to different digital signals received by the digital control circuit.
Optionally, the portable electronic device further comprises a handle arranged at the top of the shell.
Optionally, an input power supply of the audible and visual alarm is a 9-25 volt direct current power supply.
Optionally, the warning lamp is a plurality of light emitting diodes.
Optionally, the plurality of light emitting diodes are uniformly distributed on the window of the alarm lamp.
Optionally, the housing is made of an explosion-proof, dust-proof, and water-proof material.
Optionally, the housing is made of a stainless steel material with a protective grade IP 54.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the audible and visual alarm that this application embodiment provided can external check out test set such as air door sensor, detects whether gaseous transfinites such as gas, methane and carbon monoxide through check out test set, and audible and visual alarm inside control circuit can control speaker and alarm lamp and can send the alarm signal of pronunciation and light form when gaseous transfinites to remind the staff in the pit in time to withdraw, avoid taking place personal accident. In addition, the control circuit inside is closed through the shell, so that each electronic component can be effectively prevented from being polluted by dust and water vapor. Therefore, the technical scheme provided by the embodiment of the application can solve the problems of incomplete alarm function and low practicability of the alarm instrument in the related technology.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of an audible and visual alarm provided in an embodiment of the present application;
fig. 2 is a schematic diagram of a buck-boost circuit according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a voltage regulator circuit according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a digital control circuit according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of a decoding circuit according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a voice alarm circuit according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of a light alarm circuit according to an embodiment of the present disclosure;
reference numerals:
1-a housing; 2-speaker window; 3-alarm lamp window; 4-an aviation plug; 5-a power supply circuit; 6-alarm trigger circuit; 7-a loudspeaker; 8-an alarm lamp; 9-handle.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
At present, the mine audible and visual alarm is an important instrument for ensuring the safety of mine production and miner operation. The ventilation environment in mines, especially small and medium-sized mines, has high standard-reaching difficulty, the occurrence probability of gas exceeding standards such as gas, methane, carbon monoxide and the like is high, and safety accidents can be caused if the gas exceeding standards cannot be found and reported in time. The existing detection alarm equipment has low practicability due to the reasons of large power consumption, single function and the like. In order to solve the above problems, the present application provides an improved audible and visual alarm, and is described in detail by the following embodiments.
Examples
Referring to fig. 1, fig. 1 is a schematic structural diagram of an audible and visual alarm provided in an embodiment of the present application. As shown in fig. 1, the audible and visual alarm includes: the alarm device comprises a shell 1, a speaker window 2 and an alarm lamp window 3 which are arranged at the front part of the shell 1, an aviation plug 4 arranged at the side surface of the shell 1, and a power circuit 5 and an alarm trigger circuit 6 which are arranged in the shell 1;
the inside of the shell 1 also comprises a loudspeaker 7 arranged at the position of the loudspeaker window 2 and an alarm lamp 8 arranged at the position of the alarm lamp window 3;
the outgoing cable of the aviation plug 4 is a four-core cable, two wires of the four-core cable are power lines and are used for being respectively connected with the anode and the cathode of a power supply, and the other two wires are signal lines and are used for carrying out data transmission with external detection equipment;
the input end of the power circuit 5 is connected with a power line, and the output end of the power circuit 5 is connected with the power input end of the alarm trigger circuit 6, and is used for providing a working power supply for the audible and visual alarm through an external power supply;
the signal input end of the alarm trigger circuit 6 is connected with the signal line, and the signal output end of the alarm trigger circuit 6 is respectively connected with the loudspeaker 7 and the alarm lamp 8, and is used for triggering the loudspeaker 7 and the alarm lamp 8 to alarm according to the received signals.
Specifically, the aviation plug is similar to a common power plug and is also one of the connectors. It includes various kinds according to frequency or usage, etc. The aviation plug 4 that contains the four-core cable that this application selected, it contains four independent electric wires promptly, and the cross section of these four electric wires is arranged with the square usually, and in this kind of aviation plug, two electric wires wherein are as the power cord for audible-visual annunciator inserts external power, and remaining two lines are as the signal line, are used for carrying out data transmission with external check out test set between, and wherein, check out test set is the air door sensor usually, can purchase the use from the market, and it also includes the aviation plug of taking the four-core cable. When the air door sensor is used, the aviation plug of the air door sensor is connected with the aviation plug 4 of the audible and visual alarm in an inserting mode, so that the air door sensor provides a working power supply for the audible and visual alarm, and sends a trigger signal to the audible and visual alarm according to the detected gas concentration, so that the audible and visual alarm gives an alarm, wherein the power source of the air door sensor can be connected through the power connector at the other end of the air door sensor.
In addition, in some embodiments, the power circuit 5 inside the housing 1 includes a buck-boost circuit and a voltage regulator circuit; the input end of the voltage-boosting circuit is connected with a power line of the aviation plug and is used for converting the voltage of an external power supply into the rated working voltage of each electric element in the audible and visual alarm; the input end of the voltage stabilizing circuit is connected with the output end of the buck-boost circuit, and the output end of the voltage stabilizing circuit is connected with each electric element in the audible and visual alarm, so that the power voltage converted by the buck-boost circuit is stabilized.
Specifically, the power supply voltage connected to the audible and visual alarm may not be fixed, and the input voltage is adjusted to the set operating voltage by the buck-boost circuit in order to ensure that the voltages of various electronic components included in the internal circuit are the rated operating voltage. More specifically, please refer to fig. 2 for a specific structure of the buck-boost circuit, and fig. 2 is a schematic diagram of the buck-boost circuit according to an embodiment of the present disclosure. As shown in fig. 2, the buck-boost circuit selects an integrated chip with model 34063 as a control part of the circuit, so that the accessed power supply voltage is connected to a subsequent electric device through the VDD terminal after being boosted or reduced. Under the condition that the voltage boosting circuit is arranged, the audible and visual alarm can be connected to a 9-25V direct-current power supply to serve as a working power supply.
On the other hand, in order to keep the power voltage output by the buck-boost circuit stable, the output terminal of the buck-boost circuit may be connected to the voltage regulator circuit, specifically referring to fig. 3, and fig. 3 is a schematic diagram of a voltage regulator circuit according to an embodiment of the present disclosure. As shown in FIG. 3, the voltage regulator circuit can use an integrated chip with model number HT7533 as a processing chip, so that the power supply voltage received from the VDD terminal can be stably output. Since the operating voltage of each selected electronic component in the technical solution of this embodiment is 3.3V, the output voltage of the voltage regulator circuit shown in fig. 3 is 3.3V.
In addition, in some embodiments, the alarm triggering circuit 6 inside the housing 1 comprises a digital control circuit, a decoding circuit, a voice alarm circuit and a light alarm circuit; the input end of the digital control circuit is connected with the signal line, and the output end of the digital control circuit is connected with the decoding circuit and used for transmitting the received digital signal to the decoding circuit; the output end of the decoding circuit is respectively connected with the voice alarm circuit and the light alarm circuit and is used for decoding the digital signal and triggering the voice alarm circuit and the light alarm circuit to start working; the voice alarm circuit is also connected with the loudspeaker and is used for enabling the loudspeaker to send out preset alarm voice when in work; the light alarm circuit is also connected with the alarm lamp and used for enabling the alarm lamp to emit preset alarm light when working.
Specifically, when the detection equipment air door sensor works actually, the detection equipment air door sensor can detect the content of gas such as gas, methane or carbon monoxide in the environment, converts actual physical quantity into digital signals through a processing chip in the detection equipment air door sensor for processing and analyzing, and sends a trigger signal to the audible and visual alarm when the content exceeds the standard so as to enable the audible and visual alarm to give an alarm. The specific execution process of the acousto-optic alarm is as follows: after receiving the trigger signal, the digital control circuit analyzes and processes the trigger signal to generate a digital signal which can be identified by a subsequent decoding circuit, then the decoding circuit decodes the digital signal generated by the digital control circuit to respectively control the voice alarm circuit and the light alarm circuit, and the voice alarm circuit and the light alarm circuit respectively alarm through a loudspeaker and an alarm lamp.
In some embodiments, please refer to fig. 4 to 7 for specific structures of the alarm triggering circuit 6, where fig. 4 is a schematic diagram of a digital control circuit provided in the embodiment of the present application, fig. 5 is a schematic diagram of a decoding circuit provided in the embodiment of the present application, fig. 6 is a schematic diagram of a voice alarm circuit provided in the embodiment of the present application, and fig. 7 is a schematic diagram of a light alarm circuit provided in the embodiment of the present application. As shown in fig. 4-7, the digital control circuit can select an integrated chip with model number CD4053 as a processing chip, so that the received signal is processed and then transmitted to the decoding circuit through pins 10 and 11 (i.e., S1 and S2 in the figure), the decoding circuit includes a decoder with model number 74LS138, which receives the signal sent by the digital control circuit through pins 1 and 2 and transmits the signal to the voice alarm circuit and the light alarm circuit after decoding, respectively, wherein pins 7, 9 and 10 (i.e., YYCS, YYDAT and YYCLK) of the decoder are connected to the voice alarm circuit, and pin 11 (i.e., bed) is connected to the light alarm circuit; the voice alarm circuit can select an integrated chip with the model number of WTV040 as a voice chip and is connected with a power amplifier integrated circuit chip with the model number of TDA2822M as an audio amplifier.
It should be noted that the specific model of each integrated chip selected above is only exemplary, and is not limited to the corresponding circuit, that is, in the specific implementation, the skilled person may also select other similar integrated circuits and integrated chips according to the actual needs. In addition, in specific implementation, each of the circuits described above may be implemented by a Printed Circuit Board (PCB), and different circuits may be separately manufactured, or may be wholly or partially integrated on one PCB, and the PCB may be fixed on the housing 1 by commonly used methods such as screw connection.
In addition, at least two kinds of alarm voices can be prestored in a voice chip of the voice alarm circuit, so that different alarm voices can be sent out according to different digital signals received by the digital control circuit, namely, different gas overrun can be indicated through different alarm voices. Further, the warning lamp 8 may be a plurality of light emitting diodes, and further, the plurality of light emitting diodes may be uniformly arranged in the warning lamp window.
It should be noted that, because the audible and visual alarm includes a large number of electronic components, the audible and visual alarm may be operated with current flowing therein and heat generated therein, which is particularly significant when an abnormality occurs in the operation of the audible and visual alarm. Therefore, in order to avoid the danger of electric sparks generated by current and mine cave collapse caused by ignition of heat and even ignition of combustible gas such as gas or methane in the environment, the electric energy provided for the audible and visual alarm is limited in a safe range that neither sparks enough to be ignited nor temperature rise on the surface of the instrument enough to be ignited can be generated by a safety barrier technology during actual production. On the other hand, the material of the housing 1 can be selected from explosion-proof, dust-proof and waterproof materials to prevent water vapor and dust from entering the interior of the housing to damage the electronic components, for example, the housing can be made of stainless steel material with protection grade IP54, wherein the first digit in the protection grade IP54 indicates a dust-proof grade, the 5 th digit indicates that the dust cannot be completely prevented from entering, but the dust entering amount does not affect the normal operation of the electrical appliance, the second digit indicates a waterproof grade, and the 4 th digit indicates that the water splashed from all directions is prevented from entering the electrical appliance to cause damage; the stainless steel material can ensure that the audible and visual alarm cannot be damaged by small falling rocks when being placed in the mine hole.
In addition, in some embodiments, as shown in fig. 1, the upper portion of the audible and visual alarm may further include a handle 9, so as to facilitate the movement and carrying of the user.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the audible and visual alarm that this application embodiment provided can external check out test set such as air door sensor, detects whether gaseous transfinites such as gas, methane and carbon monoxide through check out test set, and audible and visual alarm inside control circuit can control speaker and alarm lamp and can send the alarm signal of pronunciation and light form when gaseous transfinites to remind the staff in the pit in time to withdraw, avoid taking place personal accident. In addition, the control circuit inside is closed through the shell, so that each electronic component can be effectively prevented from being polluted by dust and water vapor. Therefore, the technical scheme provided by the embodiment of the application can solve the problems of incomplete alarm function and low practicability of the alarm instrument in the related technology.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. An audible and visual alarm, comprising: the alarm device comprises a shell, a speaker window and an alarm lamp window which are arranged at the front part of the shell, an aviation plug arranged on the side surface of the shell, and a power circuit and an alarm trigger circuit which are arranged in the shell;
the inside of the shell also comprises a loudspeaker arranged at the position of the loudspeaker window and an alarm lamp arranged at the position of the alarm lamp window;
the outgoing cable of the aviation plug is a four-core cable, two wires of the four-core cable are power lines and are used for being connected with the anode and the cathode of a power supply respectively, and the other two wires are signal lines and are used for carrying out data transmission with external detection equipment;
the input end of the power circuit is connected with the power line, the output end of the power circuit is connected with the power input end of the alarm trigger circuit, and the power circuit is used for providing a working power supply for the audible and visual alarm through an external power supply;
the signal input end of the alarm trigger circuit is connected with the signal line, and the signal output end of the alarm trigger circuit is respectively connected with the loudspeaker and the alarm lamp and used for triggering the loudspeaker and the alarm lamp to alarm according to the received signals.
2. The audible and visual alarm of claim 1, wherein said power circuit includes a buck-boost circuit and a voltage regulator circuit;
the input end of the voltage-boosting circuit is connected with the power line and is used for converting the voltage of an external power supply into the rated working voltage of each electric element in the acousto-optic alarm;
the input end of the voltage stabilizing circuit is connected with the output end of the buck-boost circuit, the output end of the voltage stabilizing circuit is connected with each electric element in the audible and visual alarm, and the voltage stabilizing circuit is used for stabilizing the power supply voltage converted by the buck-boost circuit.
3. The audible and visual alarm of claim 1, wherein the alarm triggering circuit comprises a digital control circuit, a decoding circuit, a voice alarm circuit and a light alarm circuit;
the input end of the digital control circuit is connected with the signal wire, and the output end of the digital control circuit is connected with the decoding circuit, and the digital control circuit is used for transmitting the received digital signal to the decoding circuit;
the output end of the decoding circuit is respectively connected with the voice alarm circuit and the light alarm circuit and is used for decoding the digital signal and triggering the voice alarm circuit and the light alarm circuit to start working;
the voice alarm circuit is also connected with the loudspeaker and is used for enabling the loudspeaker to send out preset alarm voice when in work; the light alarm circuit is also connected with the alarm lamp and used for enabling the alarm lamp to send out preset alarm light when in work.
4. The audible and visual alarm of claim 3, wherein the voice alarm circuit comprises a voice chip, and at least two alarm voices are prestored in the voice chip; the voice alarm circuit is specifically used for sending different alarm voices according to different digital signals received by the digital control circuit.
5. The audible and visual alarm of claim 1, further comprising a handle disposed at a top portion of said housing.
6. The audible and visual alarm of claim 1, wherein the input power supply of the audible and visual alarm is a 9-25 volt direct current power supply.
7. The audible and visual alarm of claim 1, wherein said alarm light is a plurality of light emitting diodes.
8. The audible and visual alarm of claim 7, wherein said plurality of light emitting diodes are uniformly distributed over said alarm light window.
9. The audible and visual alarm of claim 1, wherein said housing is made of an explosion-proof, dust-proof, and water-proof material.
10. The audible and visual alarm of claim 9, wherein said housing is made of a stainless steel material having a protective rating of IP 54.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374219.2U CN210721732U (en) | 2019-08-22 | 2019-08-22 | Audible and visual alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374219.2U CN210721732U (en) | 2019-08-22 | 2019-08-22 | Audible and visual alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210721732U true CN210721732U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921374219.2U Active CN210721732U (en) | 2019-08-22 | 2019-08-22 | Audible and visual alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210721732U (en) |
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2019
- 2019-08-22 CN CN201921374219.2U patent/CN210721732U/en active Active
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Inventor after: Yu Wenhai Inventor after: Yao Honghua Inventor after: Lv Jianjun Inventor after: Cao Jianming Inventor after: Zheng Yanhong Inventor after: Wang Likun Inventor after: Wang Lili Inventor before: Yu Wenhai Inventor before: Yao Honghua Inventor before: Lv Jianjun Inventor before: Cao Jianming Inventor before: Zheng Yanhong Inventor before: Zhang Lixia Inventor before: Wu Xiaolu |
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Address after: 037000 Datong equipment manufacturing industrial park Tongmei high tech Industrial Park Patentee after: Datong Kegong Safety Instrument Co.,Ltd. Address before: 037000 Datong equipment manufacturing industrial park Tongmei high tech Industrial Park Patentee before: DATONG COAL MINE GROUP MECHANICAL AND ELECTRICAL EQUIPMENT SCIENCE AND INDUSTRY SAFETY INSTRUMENTS Co.,Ltd. |