CN202004917U - Telecommunication interphone - Google Patents
Telecommunication interphone Download PDFInfo
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- CN202004917U CN202004917U CN2010206955244U CN201020695524U CN202004917U CN 202004917 U CN202004917 U CN 202004917U CN 2010206955244 U CN2010206955244 U CN 2010206955244U CN 201020695524 U CN201020695524 U CN 201020695524U CN 202004917 U CN202004917 U CN 202004917U
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- interphone
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Abstract
The utility model discloses a telecommunication interphone. A mobile communication main board is installed in a casing of the interphone, a group of communication keys and a voice key are arranged on the casing, each communication key corresponds to a communication group. If any communication key is pressed, a signal is transmitted to a central processing unit (CPU) chip through a keyboard circuit, then the CPU chip starts a simplex conference call for group members of each group through a radio frequency module according to the communication groups corresponding to the communication keys to realize talkback function within a group. The improved structure enables the interphone to be used in a call through wireless communication networks such as code division multiple access (CDMA), a global system for mobile communication (GSM) and the third generation telecommunication (3G), maintains previous one-to-many function of the interphone and simultaneously resolves the problem of call distance limit on the interphone, thereby being especially suitable for remote dispatching systems such as railways, aviation, public safety, taxi and car transportation and large enterprises. Further, adopting the technical scheme, the interphone does not occupy frequency band resources singly, improves utilization ratio of existing public resources, reduces wireless pollution, simultaneously reduces power needed by the interphone and radiation damage to users, and quickly popularizes business function of existing mobile conference telephones, corporate telephones and group telephones.
Description
Technical field
The utility model relates to a kind of intercom technology
Background technology
Wireless interspeaker is the mobile radio communication device that is used by the mankind the earliest, just begins to be applied as far back as nineteen thirties.Through the development in 3/4th century, the application of intercom is very general, moves towards ordinary consumption from specialized field, from military expand to civilian.Wireless interspeaker is an important branch in the mobile communication, and it is a kind of wireless terminal equipment that some multiple spot is communicated that can use in moving, and many people are exchanged simultaneously each other, makes many people can hear same individual's speech simultaneously.Because wireless interspeaker links up immediately, gets ready to go into action in hundreds, easy to use, in handling urgent accident, its effect is that other meanss of communication are irreplaceable in carrying out dispatch control.
Because the above-mentioned characteristic of intercom is widely used in public security scheduling, railway dispatching, taxi dispatching, automobile transportation dispatching, aviation scheduling or the like at present.Yet the communication distance of intercom is restricted, is example with the most frequently used hand-hold wireless intercom, and communication distance generally can reach 5 kilometers when clog-free opening.Under the support of cordless communication network, can reach the 10-20 kilometer by the intermediate station communication distance.If distance is long again, then can't guarantee communication.
And the signal transmission distance of intercom and its power have direct relation, and in order to ensure the transmission range of signal, the power of intercom is bigger usually, general hand-hold wireless intercom power is at 4-6w, it is bigger that car (ship, machine) carries formula wireless interspeaker volume, and power is not less than 10W, is generally 25W.Maximum power is that VHF is that 56W, UHF are 50W.Also have indivedual vehicle-mounted intercommunication terminals to reach 75W (IC-VX8000) at the power of a certain frequency range.Easily other people are caused interference, equally also be subjected to the interference of other intercoms easily.And this high-power to bring human body radiation very big.By contrast, the power of mobile phone is then much smaller, and the power of intercom is generally tens times even hundred times of mobile phone, and its radiation is also much bigger for mobile phone.
Existing intercom needs independent band occupancy resource, and poor to the sharing of resource, resource utilization is low, causes radio to pollute easily, and still all there is infringement in human body to environment.
In addition, because existing intercom is subjected to distance limit, if when the burst emergency, dispatch control person is not at the scene, then can't use intercom to dispatch, can only link up, discuss by mobile phone and dispatcher, replace dispatching by other staff again by other staff.The middle personnel that substitute need carry out two-way reporting, and actual schedule personnel promptly can't obtain field data intuitively, also can't directly command, and directly influence scheduling quality makes the issue handling reconciliation never in time enough.
The utility model content
The technical problem that the utility model mainly solves provides a kind of telecommunication intercom, makes the conversation of intercom not be subjected to distance limit, and need not to take separately the resource of frequency range.
In order to solve the problems of the technologies described above, the utility model provides a kind of telecommunication intercom, comprise a housing, be embedded in surface of shell display screen, be installed on the mobile communication mainboard in the housing, housing is provided with a group communication button and a voice button, in the one group communication button, the corresponding communication group of each communication button;
Include on the mobile communication mainboard cpu chip, with the radio-frequency module that this cpu chip electrically connects, a group communication button and voice button are all by a keyboard circuit and cpu chip electric connection;
After the communication button is pressed, send a signal by keyboard circuit to cpu chip, cpu chip passes through the group member of radio-frequency module in this group and initiates the meeting of single worker's MPTY, intercommunication function in the realization group according to the communication group of this communication button correspondence.
As improvement of the technical scheme, also be provided with microphone, audio amplifier on the mobile communication mainboard, this microphone electrically connects by a voice/audio input port and cpu chip, and audio amplifier passes through audio amplifier circuit, and then electrically connects by an audio output port and cpu chip.
As improvement of the technical scheme, the voice button links to each other with the switch of microphone, and under the normal state, microphone is in closed condition, and when the voice button was pressed, microphone was opened.
As improvement of the technical scheme, radio-frequency module is single worker's radio-frequency (RF) receiving and transmission module, when receiving the downlink voice signal, forbids sending the ascending voice signal; When no downlink voice signal, allow to send the ascending voice signal.
As improvement of the technical scheme, a display lamp also is housed on the shell, electrically connect with cpu chip, when radio-frequency module was received the downlink voice signal, display lamp extinguished, and indicated current can not the speech; When radio-frequency module was not received the downlink voice signal, display lamp was lighted, and indicated current can the speech.
As improvement of the technical scheme, also be provided with a camera, image transmission module, USB interface, and Subscriber Identity Module on the mobile communication mainboard, this camera, image transmission module, USB interface, and Subscriber Identity Module all electrically connect with cpu chip.
The utility model execution mode compared with prior art, the main distinction and effect thereof are: a mobile communication mainboard is installed in the intercom housing, on housing, establish a group communication button and a voice button, in the group communication button, the corresponding communication group of each communication button; Include on the mobile communication mainboard cpu chip, with the radio-frequency module that this cpu chip electrically connects, an above-mentioned group communication button and voice button are all by a keyboard circuit and cpu chip electric connection; After described communication button is pressed, send a signal by keyboard circuit to cpu chip, described cpu chip passes through the group member of radio-frequency module in this group and initiates the meeting of single worker's MPTY, intercommunication function in the realization group according to the communication group of this communication button correspondence.By above-mentioned improvement, make intercom to converse by cordless communication networks such as CDMA, GSM, 3G, when keeping the original one-to-many call function of intercom, solve the restricted problem of intercom speech range, be very suitable for remote dispatching patcher such as railway, aviation, public security, taxi, automobile transportation, large enterprise.And after the employing present technique, intercom need not to take separately the resource of frequency range again, has improved the utilance of existing public resource, reduces radio and pollutes, and has also reduced the required power of intercom self simultaneously, reduces the radiation injury to human body.And can make the business function of existing mobile conferencing call, group telephone, cohort group phone can promote practicality rapidly.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the utility model one better embodiment telecommunication intercom external structure schematic diagram;
Fig. 2 is the utility model one better embodiment telecommunication intercom internal structure schematic diagram.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, execution mode of the present utility model is described in further detail below in conjunction with accompanying drawing.
The utility model one better embodiment relates to a kind of telecommunication intercom, comprise a housing, be embedded in surface of shell display screen 101, be installed on the mobile communication mainboard in the housing, housing is provided with a group communication button 102 and a voice button 103, as shown in Figure 1.In the one group communication button, the corresponding communication group of each communication button.
Include on the mobile communication mainboard cpu chip, with the radio-frequency module that this cpu chip electrically connects, a group communication button and voice button are all by a keyboard circuit and cpu chip electric connection, as shown in Figure 2.After the communication button is pressed, send a signal by keyboard circuit to cpu chip, cpu chip passes through the group member of radio-frequency module in this group and initiates the meeting of single worker's MPTY, intercommunication function in the realization group according to the communication group of this communication button correspondence.By above-mentioned improvement, make intercom to converse by cordless communication networks such as CDMA, GSM, 3G, when keeping the original one-to-many call function of intercom, solve the restricted problem of intercom speech range, be very suitable for remote dispatching patcher such as railway, aviation, public security, taxi, automobile transportation, large enterprise.And after the employing present technique, intercom need not to take separately the resource of frequency range again, has improved the utilance of existing public resource, reduces radio and pollutes, and has also reduced the required power of intercom self simultaneously, reduces the radiation injury to human body.And can make the business function of existing mobile conferencing call, group telephone, cohort group phone can promote practicality rapidly.
Also be provided with microphone, audio amplifier on the above-mentioned mobile communication mainboard, this microphone electrically connects by a voice/audio input port and cpu chip, and audio amplifier passes through audio amplifier circuit, and then electrically connects by an audio output port and cpu chip.Thereby the user need not intercom is attached in one's ear, can not hear voice content, and is easy to use, and further reduces the injury of radiation to human body.
The voice button links to each other with the switch of microphone, and under the normal state, microphone is in closed condition, and when the voice button was pressed, microphone was opened.Thereby satisfy legacy user's use habit.
Radio-frequency module is single worker's radio-frequency (RF) receiving and transmission module in the present embodiment, when receiving the downlink voice signal, forbids sending the ascending voice signal; When no downlink voice signal, allow to send the ascending voice signal.Guarantee in the MPTY meeting that the same time can only have a side to speak, its other party can only receive voice, thereby satisfies the scheduling needs, guarantees that interactive voice is in good order in the scheduling process.
As improvement of the technical scheme, a display lamp also is housed on the shell of this intercom, electrically connect with cpu chip, when radio-frequency module was received the downlink voice signal, display lamp extinguished, and indicated current can not the speech; When radio-frequency module was not received the downlink voice signal, display lamp was lighted, and indicated current can the speech.
As improvement of the technical scheme, can also be provided with a camera, image transmission module, USB interface, and Subscriber Identity Module on the mobile communication mainboard, this camera, image transmission module, USB interface, and Subscriber Identity Module all electrically connect with cpu chip.By this camera and image transmission module, the user can carry out video interactive, makes scheduler can more clearly understand field condition.
Though by reference some preferred implementation of the present utility model, the utility model is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and do not depart from spirit and scope of the present utility model.
For further setting forth the utility model is technological means and the effect that the predetermined purpose of realization is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.
Claims (6)
1. telecommunication intercom, comprise a housing, be embedded in surface of shell display screen, be installed on the mobile communication mainboard in the housing, it is characterized in that, described housing is provided with a group communication button and a voice button, in the described group communication button, the corresponding communication group of each communication button;
Include on the described mobile communication mainboard cpu chip, with the radio-frequency module that this cpu chip electrically connects, a described group communication button and voice button are all by a keyboard circuit and cpu chip electric connection;
After described communication button is pressed, send a signal by keyboard circuit to cpu chip, described cpu chip passes through the group member of radio-frequency module in this group and initiates the meeting of single worker's MPTY, intercommunication function in the realization group according to the communication group of this communication button correspondence.
2. telecommunication intercom according to claim 1, it is characterized in that, also be provided with microphone, audio amplifier on the described mobile communication mainboard, this microphone electrically connects by a voice/audio input port and cpu chip, audio amplifier passes through audio amplifier circuit, and then electrically connects by an audio output port and cpu chip.
3. telecommunication intercom according to claim 2 is characterized in that, described voice button links to each other with the switch of described microphone, and under the normal state, described microphone is in closed condition, and when described voice button was pressed, described microphone was opened.
4. telecommunication intercom according to claim 3 is characterized in that, described radio-frequency module is single worker's radio-frequency (RF) receiving and transmission module, when receiving the downlink voice signal, forbids sending the ascending voice signal; When no downlink voice signal, allow to send the ascending voice signal.
5. telecommunication intercom according to claim 4 is characterized in that, a display lamp also is housed on the described shell, electrically connect with described cpu chip, when described radio-frequency module was received the downlink voice signal, described display lamp extinguished, and indicated current can not the speech; When described radio-frequency module was not received the downlink voice signal, described display lamp was lighted, and indicated current can the speech.
6. according to any described telecommunication intercom in the claim 1 to 5, it is characterized in that, also be provided with a camera, image transmission module, USB interface, and Subscriber Identity Module on the described mobile communication mainboard, this camera, image transmission module, USB interface, and Subscriber Identity Module all electrically connect with cpu chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206955244U CN202004917U (en) | 2010-12-31 | 2010-12-31 | Telecommunication interphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206955244U CN202004917U (en) | 2010-12-31 | 2010-12-31 | Telecommunication interphone |
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| Publication Number | Publication Date |
|---|---|
| CN202004917U true CN202004917U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206955244U Expired - Fee Related CN202004917U (en) | 2010-12-31 | 2010-12-31 | Telecommunication interphone |
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| CN (1) | CN202004917U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638287A (en) * | 2012-01-18 | 2012-08-15 | 福建南安市泉盛电子有限公司 | Compact type interphone convenient to use |
| CN103139715A (en) * | 2011-11-23 | 2013-06-05 | 中兴通讯股份有限公司 | Handhold interphone and trunking calling method thereof |
| CN105338429A (en) * | 2015-12-10 | 2016-02-17 | 南京正泽科技有限公司 | Interphone voice frequency signal relay system |
| CN106211094A (en) * | 2016-07-08 | 2016-12-07 | 江苏省电力试验研究院有限公司 | A kind of miniature distance voice talkback implementation method and system |
| CN112672291A (en) * | 2019-10-15 | 2021-04-16 | 上海欣雅供应链管理有限公司 | Method, device, equipment and storage medium for establishing talkback channel |
-
2010
- 2010-12-31 CN CN2010206955244U patent/CN202004917U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103139715A (en) * | 2011-11-23 | 2013-06-05 | 中兴通讯股份有限公司 | Handhold interphone and trunking calling method thereof |
| CN102638287A (en) * | 2012-01-18 | 2012-08-15 | 福建南安市泉盛电子有限公司 | Compact type interphone convenient to use |
| CN105338429A (en) * | 2015-12-10 | 2016-02-17 | 南京正泽科技有限公司 | Interphone voice frequency signal relay system |
| CN105338429B (en) * | 2015-12-10 | 2022-05-20 | 南京正泽科技股份有限公司 | Intercom audio signal relay system |
| CN106211094A (en) * | 2016-07-08 | 2016-12-07 | 江苏省电力试验研究院有限公司 | A kind of miniature distance voice talkback implementation method and system |
| CN112672291A (en) * | 2019-10-15 | 2021-04-16 | 上海欣雅供应链管理有限公司 | Method, device, equipment and storage medium for establishing talkback channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20161231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |