CN113840027A - Special public address telephone system for coal mine - Google Patents
Special public address telephone system for coal mine Download PDFInfo
- Publication number
- CN113840027A CN113840027A CN202110979832.2A CN202110979832A CN113840027A CN 113840027 A CN113840027 A CN 113840027A CN 202110979832 A CN202110979832 A CN 202110979832A CN 113840027 A CN113840027 A CN 113840027A
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- China
- Prior art keywords
- telephone
- public address
- coal mine
- dispatching
- portable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/022—Paging systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention relates to a special public address telephone system for a coal mine, which comprises a dispatching desk, a dispatching switch, a mine coupler and a plurality of special public address telephones for the coal mine, wherein the dispatching desk is connected into a mine dispatching communication system through a twisted pair, the dispatching switch is connected with the mine coupler through a communication cable, the mine coupler is connected with the special public address telephones for the coal mine through the twisted pair, the dispatching desk distributes numbers for the special public address telephones for the coal mine through the dispatching switch to realize full-duplex or half-duplex communication, each special public address telephone for the coal mine comprises a power amplifier board and a portable telephone connected with the power amplifier board, each special public address telephone comprises a telephone main board and a telephone handle, and a hook is arranged between each telephone main board and each telephone handle. When there is incoming call, the invention also has sound and light prompt, and the incoming call can be known under the condition of dim light. The dispatching desk can call, shout and broadcast the portable telephones, and the portable telephones can call and shout.
Description
Technical Field
The invention relates to the technical field of public address telephones, in particular to a public address telephone system special for a coal mine.
Background
During coal mine production, personnel at different work posts and different positions need to perform one-to-one voice communication at any time, and the whole area also needs to be broadcasted to inform all personnel in the area. Therefore, the mining public address telephone is one of the necessary devices in the coal mine fully mechanized mining face.
The special public address telephone for coal mines is a novel product integrating telephone functions and public address functions, aiming at the complex and noisy environment under a coal mine, the ringing sound of a common analog telephone is light, the distance of ringing tone transmission is short, manual answering is needed, especially in an emergency situation, the situation that the ringing of the telephone cannot be heard and the person cannot be found exists, the problem is perfectly solved by the public address telephone, the sound loudness of the public address telephone is greater than 100 decibels, people except 100 meters can hear, the person can conveniently find, under the support of a system, music or a leader speech notification can be played, and the advantages that the traditional analog telephone cannot compare with the traditional analog telephone are achieved.
However, the existing mining public address telephone is installed at a fixed position at certain intervals, and when an operator needs to use the public address telephone, the operator needs to leave the original position to find the public address telephone, so that the labor capacity is increased, and the risk of leaving a post and leading the equipment to be unmanned and monitored exists. In addition, during production, noise in the tunnel is large, and people far away from the public address telephone cannot hear the broadcast content clearly, sometimes even cannot hear the sound completely, so that safety risk exists.
Disclosure of Invention
In view of the defects in the prior art, the invention relates to a public address telephone system special for a coal mine, and designs a public address telephone special for the coal mine according to the problems. When there is incoming call, there is also audible and visual prompt, and the incoming call is known under the dim light condition. The dispatching desk can be used for calling, shouting and broadcasting the public address telephones special for the coal mine, and the public address telephones special for the coal mine can also be called and shout.
The invention relates to a public address telephone system special for a coal mine, which comprises a dispatching desk, a dispatching switch, a mine coupler and a plurality of public address telephones special for the coal mine, wherein the dispatching desk is accessed into a mine dispatching communication system through a twisted pair, the dispatching desk is connected with the dispatching switch through a 2B + D interface, the dispatching switch is connected with the mine coupler through a communication cable, the mine coupler is connected with the public address telephones special for the coal mine through the twisted pair, the dispatching desk distributes numbers for the public address telephones special for the coal mine through the dispatching switch to realize full-duplex or half-duplex communication, each telephone special for the coal mine comprises a power amplifier board and a portable telephone connected with the power amplifier board, each telephone comprises a telephone main board and a telephone handle, and a cross reed is arranged between each telephone main board and each telephone handle.
Furthermore, the coal mine dedicated public address telephone can be connected with a plurality of fixed public address horns.
Furthermore, an IP phone board can be additionally arranged on the phone main board, and the IP phone board is provided with a sound amplifying loudspeaker, so that IP sound amplifying telephone can be realized.
Further, the phone main board is provided with a light alarm, when the hook switch detects the handle and the portable phone has a number to call in, the light alarm lamp tube flickers, and meanwhile, the ringing tone comes out through a 10W loudspeaker, and half-duplex communication is adopted; when the hook switch cannot detect the handle, the phone handle works, the receiver plays a call, and full-duplex communication is adopted.
Furthermore, the power amplifier board is in linear connection with the fixed loudspeaker, and the power amplifier board is in wireless connection with the portable phone.
Further, be provided with the telephone power in the portable telephone, the public address loudspeaker are provided with the loudspeaker power, the loudspeaker power is provided with the fixed charging groove of a plurality of portable telephones, loudspeaker power connection 12VDC power.
Further, the IP phone board can realize amplified transmission of 150 meters.
Further, the system operation flow is as follows:
s1: the method comprises the steps of sending a public address telephone special for the coal mine to each miner;
s2: when the miners need to inform information, dialing is carried out, and all other contact numbers are displayed by the public address telephone special for the coal mine;
s3: when a miner receives other miner call-in signals, the sound outlet on the surface of the portable telephone rings for 5-6 sounds, automatic connection can be achieved, a calling party can directly call and broadcast, at the moment, the sound is emitted from a public amplifying loudspeaker or a sound amplifying loudspeaker of the portable telephone, and at the moment, half-duplex communication is achieved;
s4: when the miner takes down the phone handle of the portable phone, the half-duplex communication is converted into full-duplex communication.
Furthermore, the portable telephone can meet the requirements of calling and outgoing calls, the sounding position of sound is controlled through the handle of the telephone when the portable telephone calls, the number of the other party is directly dialed when the portable telephone calls, the portable telephone can realize voice communication when the portable telephone is connected, and the portable telephone can call after 6 times of ringing when the portable telephone is not connected.
Further, the telephone power supply of the portable telephone can operate for 10 hours in a power-off state.
The invention has the following beneficial effects:
1. the waterproof grade reaches IP 68.
2. The amplified loudness reaches over 100 dB.
3. The volume of the amplified sound can be adjusted according to the actual situation.
4. Through twisted pair transmission, convenient network deployment, installation.
5. Under the condition of power failure, the backup battery in the intrinsic safety power box can support the telephone to continue to work normally, and when the backup battery in the power box is out of power, the backup battery in the sound amplifying telephone starts to work to ensure the sound amplifying telephone to work normally. When power is off, the telephone is supported for up to 10 hours.
6. An IP telephone board can be additionally arranged to be changed into an IP sound amplifying telephone.
7. After 6 ringing, it can automatically answer, and the ringing times can be regulated.
8. The method conforms to the explosion-proof detection and the safety detection of the national mining product detection center.
9. When a call is answered, the alarm lamp flickers, and the ringing sound comes out through a 10W loudspeaker.
10. An off-hook automatic call dispatch may be set.
11. The telephone can be used as a common telephone or a public address telephone, and realizes shouting for looking for people in a noisy mine environment. And the system can be matched when the loudspeaker box plays music and broadcast.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is an overall layout connection diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a coal mine dedicated public address telephone according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of a coal mine dedicated public address telephone according to embodiment 2 of the present invention.
Fig. 4 is a schematic diagram of a part of a loudspeaker telephone interface special for a coal mine according to an embodiment of the invention.
Fig. 5 is a schematic diagram of connection of a CPU processing section according to an embodiment of the present invention.
Reference numeral, 1, a dispatching desk; 2. dispatching a switch; 3. a mining coupler; 5. a public address telephone special for coal mines; 51. a power amplifier board; 52. a portable telephone; 521. a phone main board; 522. a telephone handle.
Detailed Description
While the embodiments of the present invention will be described and illustrated in detail with reference to the accompanying drawings, it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, equivalents, and alternatives falling within the scope of the invention as defined by the appended claims.
For the convenience of understanding the embodiments of the present invention, the following description will be further explained by taking specific embodiments as examples with reference to the drawings, and the embodiments are not to be construed as limiting the embodiments of the present invention.
The special public address telephone 5 for the coal mine can be used only by being matched with a dispatching communication system on the coal mine, and needs to be accessed into the dispatching communication system. The dispatching desk 1 is connected with the dispatching exchanger 2 through a 2B + D interface, the dispatching exchanger 2 is connected with the mining coupler 3 through a communication cable, and the mining coupler 3 is connected with the special public address telephone 5 for the coal mine through a twisted pair. The dispatching desk 1 can initiate calling, shouting and broadcasting to the public address telephones 5 special for coal mines, and can also call and shout among the public address telephones 5 special for coal mines.
The embodiment 1 of the invention is shown by referring to fig. 1, fig. 2, fig. 4 and fig. 5, and comprises a dispatching desk 1, a dispatching exchanger 2, a mine coupler 3 and a plurality of coal mine dedicated public address telephones 5, wherein the dispatching desk 1 is accessed into a mine dispatching communication system through a twisted pair, the dispatching desk 1 is connected with the dispatching exchanger 2 through a 2B + D interface, the dispatching exchanger 2 is connected with the mine coupler 3 through a communication cable, the mine coupler 3 is connected with the coal mine dedicated public address telephones 5 through a twisted pair, and the dispatching desk 1 allocates numbers for the coal mine dedicated public address telephones 5 through the dispatching exchanger 2, so that full-duplex or half-duplex communication is realized.
The invention can greatly improve the communication efficiency between underground coal mine personnel and ground dispatching commanders, is more convenient for finding people underground, can play leadership speech, music and safety knowledge propaganda, and can be used as a common mining telephone and a broadcasting terminal and a sound box. And convenience can be brought to timely decision making of scheduling commanders.
The portable telephone 52 is provided with a telephone power supply and can be used for 10 hours in a power-off state. The IP phone board can realize the amplified transmission of 150 meters.
Embodiment 2 of the present invention is shown in fig. 3, in addition to embodiment 1, a fixed amplification speaker is added, the fixed amplification speaker is wirelessly transmitted with an amplification phone, the playing range is wide, the power amplification board 51 is linearly connected with the fixed amplification speaker, and the power amplification board 51 is wirelessly connected with the portable phone 52. The fixed loudspeaker is provided with a plurality of portable telephone 52 fixed accommodating grooves, the portable telephone 52 can be charged at any time, the telephone mainboard 521 is in half-duplex communication during charging, and the fixed loudspeaker receives loudspeaker signals of the portable signals and externally discharges sound.
A telephone power supply is arranged in the portable telephone 52, the fixed sound amplifying loudspeaker is provided with a loudspeaker power supply, the loudspeaker power supply is provided with a plurality of portable telephone 52 fixed charging grooves, and the loudspeaker power supply is connected with a 12VDC power supply. The IP phone board can realize the amplified transmission of 150 meters.
The working principle and the steps of the invention are as follows: when an incoming call occurs, the audible and visual alarm lamp of the special public address telephone 5 for the coal mine flashes, the telephone main board 521 detects that an incoming call signal exists, the power amplifier board 51 is opened through the relay, and the ringing sound is transmitted out through the power amplifier board 51. After ringing 5-6 times (can be adjusted), the automatic switch-on is carried out, and the calling party can directly call and broadcast. If the handle is picked up, the phone main board 521 detects the handle picking up through the hook switch, closes the power amplifier board 51, and switches the sound to the handle for output. When calling out, the called party number is dialed by pressing a key to call out, and then full duplex communication is carried out.
The wiring method comprises the following steps: 12VDC power supply is accessed (positive and negative are available, wrong connection cannot be achieved), the A, B wiring seat is connected with a twisted pair, the mining dispatching communication system is accessed through the twisted pair without the requirement of sequence positive and negative, a dispatching exchanger 2 distributes a number to a coal mine special public address telephone 5, and the portable telephone 52 calls the number to realize full-duplex or half-duplex communication, and calling: the voice call can be realized by directly picking up the phone to dial the number of the other party and connecting the other party. Calling: when an incoming call is received, the telephone is automatically switched to a public address mode, sound is transmitted to the range of 0-150 meters through the loudspeaker, and the handle is automatically switched to handle communication when the telephone is off-hook. The sound of the loudspeaker can be adjusted according to actual conditions.
When the main battery in the portable telephone 52 is dead, the backup battery in the speakerphone begins to operate to ensure that the speakerphone operates normally. Therefore, the telephone can be amplified for 10 hours after power failure. The invention is in line with the explosion-proof detection and the safety detection of the national mining product detection center.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A public address telephone system special for coal mines is characterized in that: the dispatching desk is connected with the mining dispatching communication system through a twisted pair, the dispatching desk is connected with the dispatching switch through a 2B + D interface, the dispatching switch is connected with the mining coupler through a communication cable, the mining coupler is connected with the mining public address telephone through the twisted pair, the dispatching desk distributes numbers for the mining public address telephone through the dispatching switch to achieve full-duplex or half-duplex communication, the coal mine private public address telephone comprises a power amplifier board and a portable telephone connected with the power amplifier board, the portable telephone comprises a telephone main board and a telephone handle, and a hook switch is arranged between the telephone main board and the telephone handle.
2. The public address telephone system special for coal mines as set forth in claim 1, wherein: the special public address telephone for the coal mine can be connected with a plurality of fixed public address horns.
3. The public address telephone system special for coal mines as set forth in claim 1, wherein: the phone mainboard can be additionally provided with an IP phone board which is provided with a sound amplifying loudspeaker, so that IP sound amplifying telephone can be realized.
4. A coal mine dedicated public address telephone system as claimed in claim 2 or 3, wherein: the phone main board is provided with a light alarm, when the hook switch detects the handle, and when the portable phone has a number to call in, a light alarm lamp tube flickers, and meanwhile, a ringing sound comes out through a 10W loudspeaker, and half-duplex communication is adopted; when the hook switch cannot detect the handle, the phone handle works, the receiver plays a call, and full-duplex communication is adopted.
5. A coal mine dedicated public address telephone system as defined in claim 2 wherein: the power amplifier board is connected with the fixed loudspeaker in a linear mode, and the power amplifier board is connected with the portable telephone in a wireless mode.
6. The public address telephone system special for coal mines as set forth in claim 5, wherein: the portable telephone is internally provided with a telephone power supply, the sound amplifying loudspeaker is provided with a loudspeaker power supply, the loudspeaker power supply is provided with a plurality of portable telephone fixed charging grooves, and the loudspeaker power supply is connected with a 12VDC power supply.
7. A coal mine dedicated public address telephone system as defined in claim 3 wherein: the IP phone board can realize the amplified transmission of 150 meters.
8. The public address telephone system special for coal mines as set forth in claim 1, wherein: the system operation flow is as follows:
s1: the method comprises the steps of sending a public address telephone special for the coal mine to each miner;
s2: when the miners need to inform information, dialing is carried out, and all other contact numbers are displayed by the public address telephone special for the coal mine;
s3: when a miner receives other miner call-in signals, the sound outlet on the surface of the portable telephone rings for 5-6 sounds, automatic connection can be achieved, a calling party can directly call and broadcast, at the moment, the sound is emitted from a public amplifying loudspeaker or a sound amplifying loudspeaker of the portable telephone, and at the moment, half-duplex communication is achieved;
s4: when the miner takes down the phone handle of the portable phone, the half-duplex communication is converted into full-duplex communication.
9. The public address telephone system for coal mines as set forth in claim 8, wherein: the portable telephone can realize the requirements of calling and outgoing, the sounding position of sound is controlled by the handle of the telephone when the portable telephone calls, the number of the other party is directly dialed when the portable telephone calls, the voice call can be realized when the portable telephone is connected, and the calling can be carried out after 6 times of ringing when the portable telephone is not connected.
10. The public address telephone system special for coal mines as set forth in claim 6, wherein: the telephone power supply of the portable telephone can operate for 10 hours in a power-off state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110979832.2A CN113840027A (en) | 2021-08-25 | 2021-08-25 | Special public address telephone system for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110979832.2A CN113840027A (en) | 2021-08-25 | 2021-08-25 | Special public address telephone system for coal mine |
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| Publication Number | Publication Date |
|---|---|
| CN113840027A true CN113840027A (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110979832.2A Pending CN113840027A (en) | 2021-08-25 | 2021-08-25 | Special public address telephone system for coal mine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113985A (en) * | 1975-06-09 | 1978-09-12 | Gai-Tronics Corporation | Mine dial and page phone system |
| CA2105409A1 (en) * | 1993-09-02 | 1995-03-03 | Frank Chalmers | Communication system for use in a mine |
| US5598460A (en) * | 1996-02-09 | 1997-01-28 | Tendler Cellular, Inc. | Emergency back-up system for enhancing reliability or rescue |
| CN102118525A (en) * | 2009-12-30 | 2011-07-06 | 北京大唐高鸿数据网络技术有限公司 | Mine broadcasting telephone system based on VoIP (Voice over Internet Phone) |
| CN207010776U (en) * | 2017-05-15 | 2018-02-13 | 山西宏安翔科技股份有限公司 | A kind of underground hands free telephone system |
| CN109412731A (en) * | 2018-12-12 | 2019-03-01 | 天津华宁电子有限公司 | Mining voice couples emergent broadcast terminal installation |
| CN209402576U (en) * | 2019-01-11 | 2019-09-17 | 郝相应 | A kind of coal mine expansion telephone call screener system |
| CN112565534A (en) * | 2020-11-27 | 2021-03-26 | 山西朔州平鲁区龙矿大恒煤业有限公司 | Intelligent management system for coal mine production safety |
-
2021
- 2021-08-25 CN CN202110979832.2A patent/CN113840027A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113985A (en) * | 1975-06-09 | 1978-09-12 | Gai-Tronics Corporation | Mine dial and page phone system |
| CA2105409A1 (en) * | 1993-09-02 | 1995-03-03 | Frank Chalmers | Communication system for use in a mine |
| US5598460A (en) * | 1996-02-09 | 1997-01-28 | Tendler Cellular, Inc. | Emergency back-up system for enhancing reliability or rescue |
| CN102118525A (en) * | 2009-12-30 | 2011-07-06 | 北京大唐高鸿数据网络技术有限公司 | Mine broadcasting telephone system based on VoIP (Voice over Internet Phone) |
| CN207010776U (en) * | 2017-05-15 | 2018-02-13 | 山西宏安翔科技股份有限公司 | A kind of underground hands free telephone system |
| CN109412731A (en) * | 2018-12-12 | 2019-03-01 | 天津华宁电子有限公司 | Mining voice couples emergent broadcast terminal installation |
| CN209402576U (en) * | 2019-01-11 | 2019-09-17 | 郝相应 | A kind of coal mine expansion telephone call screener system |
| CN112565534A (en) * | 2020-11-27 | 2021-03-26 | 山西朔州平鲁区龙矿大恒煤业有限公司 | Intelligent management system for coal mine production safety |
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