CN112333941A

CN112333941A - Communication terminal and communication method

Info

Publication number: CN112333941A
Application number: CN202011159343.4A
Authority: CN
Inventors: 吴双; 陶安
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-02-05

Abstract

The invention belongs to the technical field of communication, in particular to a communication terminal and a communication method, which comprise a shell and a communication terminal main body; a placing cavity is formed in the shell; the shell is provided with a drawing plate in a sliding way; the communication terminal main body is fixed in the placing cavity through an air bag; a warning lamp is arranged on the upper surface of the shell; a supporting plate is rotatably arranged on the side surface of the shell; the support plate is provided with a rotating shaft; the rotating shaft is fixedly connected with the shell, and the rotating shaft and the supporting plate can rotate relatively; a first cavity is formed in the support; the rotating shaft penetrates through the first cavity; a torsion spring is arranged in the first cavity; two ends of the torsion spring are fixedly connected to the inner wall of the first cavity and the side face of the rotating shaft respectively; the invention has simple structure, can effectively fix the communication terminal and ensures the safety of the communication terminal.

Description

Communication terminal and communication method

Technical Field

The invention belongs to the technical field of communication, and particularly relates to a communication terminal and a communication method.

Background

The communication terminal is a direct tool for people to enjoy different information applications, and bears the tasks of providing good communication network connection for users, and the telephone is the most common communication terminal. Communication terminal under the mine plays an important role, the condition in the mine hole is known through communication and communication implementation, be favorable to transmitting the instruction outside the mine hole and guarantee workman's in the mine hole safety, in traditional mine hole, because the condition of often using, can not fix the communicator, lead to communication terminal to place at a position at will, the communicator of placing at will does not have effectual fixed, probably shake ground and lead to the condition emergence of harm communicators such as communicator landing during construction under the mine hole, the top in mine hole probably takes place the gravel and falls down during construction simultaneously, the gravel that falls down collides the communicator, there is the risk of damaging the communicator, probably lead to communication interruption, the information at unable timely acceptance mine hole top.

The technical scheme includes that the device also comprises a partial technical scheme, for example, a chinese patent with application number CN201921512487.6, the device comprises a fixed plate, a side surface of the fixed plate is connected with a fixing mechanism, the fixed plate is connected with a sliding mechanism, the sliding mechanism comprises a sliding port arranged on the side surface of the fixed plate, inner walls of two sides of the sliding port are fixedly connected with a sliding rod, an outer side wall of the sliding rod is connected with the sliding plate in a sliding manner, a second spring is sleeved on the outer side wall of the sliding rod, two ends of the second spring are respectively fixedly connected with the side wall of the sliding port and the top of the sliding plate, the sliding mechanism is connected with the sliding plate, and the sliding plate is connected; in the use in this scheme, need the workman manually pass through the bolt fastening to the wall of a well rock stratum with the device on, the operation degree of difficulty is great, uses comparatively inconveniently, simultaneously, fails to promote the explosion-proof performance at terminal as far as in the use, can ignite underground combustible gas under the extreme condition, arouses the explosion, causes great incident.

Disclosure of Invention

The invention provides a communication terminal and a communication method, aiming at making up for the defects of the prior art, ensuring the stability and the safety of the communication terminal under a mine and better protecting the communication terminal.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a communication terminal, which comprises a shell and a communication terminal main body, wherein the shell is square; a placing cavity is formed in the shell; the shell is provided with a drawing plate in a sliding way; the drawing plate can be drawn out transversely, and the placing cavity is opened; the communication terminal main body is fixed in the placing cavity through an air bag; a warning lamp is fixedly arranged in the middle of the upper surface of the shell; a supporting plate is rotatably arranged on the side surface of the shell; the supporting plates are multiple and are respectively positioned on multiple side surfaces of the shell; the support plate is provided with a rotating shaft; the rotating shaft is fixedly connected with the shell, and the rotating shaft and the supporting plate can rotate relatively; a first cavity is formed in the support; the rotating shaft penetrates through the first cavity; a torsion spring is arranged in the first cavity; two ends of the torsion spring are fixedly connected to the inner wall of the first cavity and the side face of the rotating shaft respectively;

when the communication terminal is in work, the communication terminal main body is placed in the placing cavity and is fixed by the air bag, so that the communication terminal main body can be kept stable in the shell when a worker moves, the communication terminal is prevented from vibrating, meanwhile, after the worker reaches a preset underground working position, the shell with the communication terminal main body is placed on the nearby bottom surface, the plurality of supporting plates on the shell are opened, the contact area between the shell and the bottom surface is increased, the stability of the shell with the communication terminal main body is improved, the phenomenon that the communication terminal main body placed in the shell is influenced by the fact that the shell is toppled due to accidental vibration and collision of dropped small stones in the underground working process is avoided, meanwhile, the warning lamp arranged on the upper surface of the shell can prompt the worker through light, and the worker is prevented from inadvertently contacting the shell when in work, and run into or cause the damage to the shell, influence the security of placing the communication terminal main part in the shell, simultaneously, can be when the workman is off duty or need contact through the warning light of setting on the shell upper surface, in time discover to place the position of communication terminal main part.

Preferably, a cavity III is formed in the supporting plate; an extension plate is slidably mounted in the cavity III; the extension plate can be drawn out of the cavity III, and when the extension plate cannot be completely separated from the support plate; a cavity II is formed in the supporting plate; the second cavity is positioned on the side surface of the third cavity, and the two cavities are not communicated with each other; a fixing column is slidably arranged in the cavity II; a first spring is arranged in the second cavity; the first spring can push the fixing column outwards; before the supporting plate is not opened, the fixing column extends out under the action of the spring and is inserted into a corresponding fixing hole in the shell; after the fixing column is inserted into the fixing hole, the supporting plate is locked and cannot be smoothly opened; a toggle hole is formed in the fixed column; the supporting plate is provided with a shifting groove, and the shifting hole is opposite to the shifting groove;

the during operation, when the ground roughness of workman's operating point in the pit is not good, can take extension board out in the backup pad, promote the area of contact between backup pad and the bottom surface, guarantee that the shell is placed subaerial stability, guarantee the security of the communication terminal main part in the shell, simultaneously, when relative smooth ground department, can retrieve the extension board in the cavity III, reduce the area of shell, avoid influencing workman's normal work and current.

Preferably, grid holes are uniformly formed in the shell; the grid holes are communicated with the placing cavity and the outside; grid holes are uniformly formed in the drawing plate;

the during operation, through evenly seting up the grid hole on the shell, can effectual promotion place chamber and external contact, accelerate to place the air cycle between chamber and the external world, avoid placing chamber and external nonconnection, the heat that leads to placing the communication terminal main part during operation production in the shell can not distribute smoothly, lead to the high temperature in the shell, influence the normal work of communication terminal main part, shorten the life of the part in the communication terminal main part, and simultaneously, through seting up the grid hole on the shell, the quality of shell can be reduced as far as possible, reduce the travelling comfort that the workman carried, avoid whole quality too big, the influence is carried.

Preferably, a plurality of active defect grooves are uniformly formed in the extraction plate; the active defect groove is positioned on the side surface of the extraction plate facing the placing cavity; after the drawing plate is pressed by a user to the active defect groove, the drawing plate can be broken at the active defect groove, and the placing cavity is opened;

when the communication terminal is in emergency and needs to be evacuated, under the condition that a worker is inconvenient to carry more articles, the worker can quickly and conveniently destroy the drawing plate on the shell, take the communication terminal main body out of the shell, abandon the relatively heavier shell, carry the portable communication terminal main body for evacuation, improve the evacuation speed of the worker, avoid the time waste caused by taking the communication terminal main body out of the shell by the worker according to normal steps, lead the worker to stay underground and not evacuate in time, and possibly cause serious consequences, meanwhile, the communication terminal main body is taken out by directly damaging the drawing plate, so that the situation that a heavier shell is required to be integrally carried to keep communication when a worker withdraws and the evacuation speed of the worker is tired can be avoided, and meanwhile, the communication terminal main body is taken out by damaging the drawing plate, the damage to the shell is small, the maintenance is convenient after the subsequent dangerous case contacts, and the loss can be reduced.

Preferably, the housing is made of a high strength plastic; a layer of radiation refrigeration film is fixedly arranged on the surface of the shell; a metal strip is wrapped in the shell; the shell is provided with an installation cavity; the installation cavity is positioned below the placing cavity; the opening of the mounting cavity and the opening of the placing cavity are positioned on the same side surface of the shell; the opening of the installation cavity is sealed through a sealing plate; the controller and the battery pack are fixedly arranged in the mounting cavity; the controller is electrically connected with the metal strip in the shell, so that the metal strip can generate the effect of the antenna; the controller is connected with a data line which is communicated with the communication terminal main body; the communication terminal main body can transmit and receive signals by using the metal strip in the shell under the transfer control of the controller; the battery pack supplies power to the controller, the antenna consisting of the metal strips, the warning lamp and the communication terminal main body; the power supply of the battery pack can exceed 3 times of the single downhole working time of a user;

when the communication terminal is in operation, the metal strip is wrapped in the shell, so that the strength of the shell can be improved under the condition of ensuring the lightness of the shell, the direct damage and scrap of the shell and waste caused by external force impact in the use process are avoided, meanwhile, the used metal strip can improve the signal transmitting strength and the signal receiving sensitivity of the communication terminal main body under the action of the controller, and the stability of communication is improved, meanwhile, because the underground temperature is relatively high, the heat generated in the working process of the communication terminal main body in the shell is difficult to quickly dissipate, and is easy to accumulate in the shell, so that the communication terminal main body works at high temperature, and the aging speed of the communication terminal main body is accelerated, therefore, the heat in the shell is forcibly dissipated by installing the radiation refrigeration film on the surface of the shell through the characteristics of the radiation refrigeration film, the heat in the shell is reduced, and the temperature in, a relatively good working environment is maintained for the communication terminal main body.

Preferably, a fixing groove is fixedly arranged in the middle of the bottom surface of the placing cavity; the side wall in the fixed groove is fixedly provided with an annular air bag; a contact plate is fixedly arranged on the inner side surface of the annular air bag; the communication terminal main body is placed in the fixing groove, and the contact plate contacts and presses the fixing communication terminal main body under the action of the annular air bag; the gas filled in the annular air bag is nitrogen;

during operation, it is fixed to advance the communication terminal main part through the annular gasbag that fills has nitrogen gas, guarantees the fastness fixed to the communication terminal main part, simultaneously, avoids excessive extrusion, causes the communication terminal main part to appear damaging, simultaneously, fills nitrogen gas in annular gasbag, can guarantee the security in the pit, avoids special gas concentration to exceed standard, arouses the incident.

Preferably, a plurality of springs II are uniformly and fixedly arranged in the annular air bag; the second spring can extrude the contact plate;

during operation, evenly install a plurality of springs two in annular gasbag, can guarantee when annular gasbag appears breaking, still have two extrusion contact boards of spring, fix the communication terminal main part through the contact board, guarantee the stability of communication terminal main part in the shell, avoid communication terminal to appear not hard up in the shell, lead to appearing the collision.

Preferably, micropores are formed on the surface of the annular air bag; the nitrogen filled in the annular air bag can slowly escape through micropores on the surface of the annular air bag; the annular air bag dissipates gas, and the time required for reaching the internal and external pressure balance is 3 times longer than the single-time well descending working time of a user;

during operation, the nitrogen slowly dissipated from the annular air bag enables the content of the nitrogen in the shell to be relatively high, so that the gas components in the shell are always in a safe state, and the severe safety accidents and casualties caused by the fact that the electronic device in the shell generates tiny electric sparks to cause the sudden combustion of combustible gas underground are avoided.

Preferably, a sucker is fixedly arranged on the surface of the contact plate; the suckers are distributed on the surface of the contact plate uniformly; the side surface of the contact plate, which is provided with the sucker, is contacted with the communication terminal main body;

the during operation, through setting up the sucking disc on the contact plate, the contact plate can be inseparabler and the contact of communication terminal main part mutually to accomplish fixedly, avoid communication terminal to appear not hard up, drop, simultaneously, can avoid the surface of contact plate direct contact communication terminal main part through the sucking disc that sets up, avoid the contact plate to cause the extrusion damage to communication terminal main part.

Preferably, a rubber layer is fixedly arranged on the upper surface of the shell; the rubber layer surrounds the warning lamp at the middle position; micro air cavities are uniformly arranged in the rubber layer; the micro air cavities are filled with nitrogen;

during operation, through the installation rubber layer on the upper surface at the shell, can effectually avoid the unexpected small stone that drops above the wall of a well to the impact of shell, guarantee the stability of shell, promote the protection effect of shell to the communication terminal main part.

A communication method, which is applicable to a communication terminal of any one of the above; when the communication terminal carries out communication, after the communication terminal cannot receive the information sent by the base station, the communication terminal adjusts the self receiving mode to enable the communication terminal to operate as a temporary base station; after the communication terminal operates as a temporary base station, the communication terminal can still communicate with another communication terminal; after the communication terminal is used as a temporary base station and receives information sent by other communication terminals, when the information is not the information which is appointed to be sent to the communication terminal, the communication terminal sorts the information and then carries out secondary forwarding; after the communication terminals adjust the receiving mode and operate as a temporary base station, the communication terminals in a certain area can gradually exchange with each other through a local area network; when the communication terminal communicates in the local area network, after any communication terminal in the local area network is reconnected with the base station, other communication terminals in the local area network carry out transfer communication with the base station through the terminal reconnected with the base station.

The invention has the following beneficial effects:

1. according to the communication terminal and the communication method, the plurality of hinged support plates are arranged on the side face of the shell, so that the communication terminal can be stably and safely placed near a working place when a worker carries the communication terminal to enter the underground, meanwhile, the extension plate can be drawn out when the ground is in a bad condition, the area of the support plates is increased, the stability of the communication terminal in the underground is improved, and the communication terminal is prevented from being damaged or incapable of continuously and normally working due to toppling over caused by vibration after being placed in the underground.

2. According to the communication terminal and the communication method, the air bag filled with nitrogen is used as an extruded object, the fixing effect is effectively improved, the influence of other gases is avoided, meanwhile, when the annular air bag is used, the nitrogen in the annular air bag slowly escapes, the air composition can be changed in a relatively small range, the explosion-proof performance of the communication terminal is improved, and the explosion of combustible gas possibly caused by tiny electric sparks generated in the using process of the communication terminal is avoided, so that major safety accidents are generated.

Drawings

The invention will be further explained with reference to the drawings.

Fig. 1 is a schematic structural diagram of a communication terminal of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

in the figure: the mobile communication terminal comprises a shell 1, a rubber layer 11, a warning lamp 12, a drawing plate 13, an active defect groove 131, a grid hole 14, a supporting plate 15, an extension plate 151, a fixing column 152, a rotating shaft 153, a first cavity 154, a torsion spring 155, a second cavity 156, a first spring 157, a third cavity 158, a closing plate 16, a controller 17, a battery pack 18, a fixing groove 2, an annular air bag 21, a second spring 22, a contact plate 23, a suction cup 24 and a communication terminal body 25.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 3, the communication terminal of the present invention includes a housing 1 and a communication terminal main body 25, wherein the housing 1 is square; a placing cavity is formed in the shell 1; a drawing-out plate 13 is slidably arranged on the shell 1; the drawing-out plate 13 can be drawn out transversely and opens the placing cavity; the communication terminal main body 25 is fixed inside the placing cavity by an air bag; a warning lamp 12 is fixedly arranged in the middle of the upper surface of the shell 1; a supporting plate 15 is rotatably arranged on the side surface of the shell 1; the supporting plates 15 are arranged on a plurality of side surfaces of the shell 1; the support plate 15 is provided with a rotating shaft 153; the rotating shaft 153 is fixedly connected with the shell 1, and the rotating shaft 153 and the support plate 15 can rotate relatively; a first cavity 154 is formed in the support; the rotating shaft 153 penetrates through the first cavity 154; a torsion spring 155 is arranged in the first cavity 154; two ends of the torsion spring 155 are respectively and fixedly connected to the inner wall of the first cavity 154 and the side surface of the rotating shaft 153;

when the communication terminal is in operation, the communication terminal main body 25 is placed in the placing cavity and fixed by the air bag, so that the communication terminal main body 25 can be kept stable in the housing 1 when a worker moves, the communication terminal is prevented from vibrating, meanwhile, after the worker reaches a preset underground working position, the housing 1 with the communication terminal main body 25 placed therein is placed on a nearby bottom surface, the plurality of supporting plates 15 on the housing 1 are opened, the contact area between the housing 1 and the bottom surface is increased, the stability of the housing 1 with the communication terminal main body 25 placed therein is improved, the phenomenon that the communication terminal main body 25 placed in the housing 1 is influenced by the toppling caused by accidental vibration and collision of falling small stones in the underground working process is avoided, meanwhile, the warning lamp 12 arranged on the upper surface of the housing 1 can prompt the worker through light, and the worker is prevented from being in contact with the housing 1 unintentionally during working, and touch or cause the damage to shell 1, influence the security of placing the communication terminal main part 25 in the shell 1, simultaneously, through setting up warning light 12 on the upper surface of shell 1 can be when the workman is off duty or need contact, in time discover the position of placing communication terminal main part 25.

As an embodiment of the present invention, a third cavity 158 is formed inside the supporting plate 15; an extension plate 151 is slidably mounted in the cavity III 158; the extension plate 151 can be withdrawn from the cavity three 158 when the extension plate 151 cannot be completely detached from the support plate 15; a second cavity 156 is formed in the supporting plate 15; the second cavity 156 is located on the side surface of the third cavity 158, and the two cavities are not communicated with each other; a fixing column 152 is slidably mounted in the second cavity 156; a first spring 157 is arranged in the second cavity 156; the first spring 157 can push the fixing column 152 outwards; before the supporting plate 15 is not opened, the fixing column 152 extends out under the action of the first spring 157 and is inserted into a corresponding fixing hole on the shell 1; after the fixing column 152 is inserted into the fixing hole, the supporting plate 15 is locked and cannot be smoothly opened; a toggle hole is formed in the fixed column 152; the supporting plate 15 is provided with a toggle groove, and the toggle hole is opposite to the toggle groove;

the during operation, when the ground roughness of workman's operating point in the pit is not good, can take extension board 151 out in backup pad 15, promote the area of contact between backup pad 15 and the bottom surface, guarantee that shell 1 places subaerial stability, guarantee the security of the communication terminal main part 25 in the shell 1, and simultaneously, when relative smooth ground department, can withdraw extension board 151 among three 158 cavities, reduce the area of shell 1, avoid influencing workman's normal work and current.

As an embodiment of the present invention, grid holes 14 are uniformly formed on the housing 1; the grid holes 14 are communicated with the placing cavity and the outside; grid holes 14 are uniformly formed in the drawing plate 13;

the during operation, through evenly seting up grid hole 14 on shell 1, can effectual promotion place chamber and external contact, accelerate to place the air cycle between chamber and the external world, avoid placing chamber and external nonconnection, the heat that leads to placing the communication terminal main part 25 during operation production in shell 1 can not distribute smoothly, lead to the high temperature in shell 1, influence the normal work of communication terminal main part 25, shorten the life of the part in the communication terminal main part 25, and simultaneously, through seting up grid hole 14 on shell 1, can reduce the quality of shell 1 as far as possible, reduce the travelling comfort that the workman carried, it is too big to avoid overall quality, the influence is carried.

As an embodiment of the present invention, a plurality of active defect grooves 131 are uniformly formed on the extraction plate 13; the active defect groove 131 is positioned on the side of the extraction plate 13 facing the placing cavity; after the drawing plate 13 is pressed by a user to the active defect groove 131, the drawing plate 13 can be broken at the active defect groove 131, and the placing cavity is opened;

when the communication terminal is in an emergency and needs to be evacuated, under the condition that a worker is inconvenient to carry more articles, the worker can quickly and conveniently destroy the withdrawing plate 13 on the shell 1, the communication terminal main body 25 is taken out of the shell 1, the relatively heavier shell 1 is discarded, the portable communication terminal main body 25 is carried for evacuation, the evacuation speed of the worker is increased, the condition that the worker takes out the communication terminal main body 25 according to normal steps is avoided, the condition that the worker stays underground and cannot evacuate timely, and serious consequences can be caused is avoided, meanwhile, the condition that the worker needs to integrally carry the heavier shell 1 to keep communication when the worker evacuates can be avoided by directly destroying the withdrawing plate 13 to take out the communication terminal main body 25, the evacuation speed of the worker is involved, meanwhile, the communication terminal main body 25 is taken out by destroying the withdrawing plate 13, the damage to the shell 1 is small, and the follow-up dangerous contact is realized, the maintenance is comparatively convenient, can reduce the loss.

As an embodiment of the present invention, the housing 1 is made of high-strength plastic; a layer of radiation refrigeration film is fixedly arranged on the surface of the shell 1; a metal strip is wrapped in the shell 1; the shell 1 is provided with an installation cavity; the installation cavity is positioned below the placing cavity; the opening of the mounting cavity and the opening of the placing cavity are positioned on the same side surface of the shell 1; the opening of the installation cavity is sealed by a sealing plate 16; the controller 17 and the battery pack 18 are fixedly arranged in the mounting cavity; the controller 17 is electrically connected with the metal strip in the shell 1, so that the metal strip can generate the effect of the antenna; the controller 17 is connected with a data line which is communicated with the communication terminal main body 25; the communication terminal main body 25 can transmit and receive signals by using the metal strip in the housing 1 under the relay control of the controller 17; the battery pack 18 supplies power to the controller 17, the antenna composed of metal strips, the warning lamp 12 and the communication terminal main body 25; the battery pack 18 can be powered for more than 3 times the user's single downhole operation time;

during operation, by wrapping the metal strip in the shell 1, the strength of the shell 1 can be improved under the condition of ensuring the lightness of the shell 1, the situation that the shell 1 is directly damaged and scrapped after being impacted by external force in the using process and causes waste is avoided, meanwhile, the used metal strip can improve the signal transmitting strength and the signal receiving sensitivity of the communication terminal main body 25 under the action of the controller 17 and improve the stability of communication, meanwhile, because the underground temperature is relatively high, the heat generated in the working process of the communication terminal main body 25 in the shell 1 is difficult to quickly dissipate, and is easy to accumulate in the shell 1, so that the communication terminal main body 25 works at high temperature and the aging speed of the communication terminal main body 25 is accelerated, therefore, by installing a radiation refrigeration film on the surface of the shell 1, the heat in the shell 1 is forcibly dissipated through the self characteristic, and the heat in the shell 1 is less, so that the temperature inside the casing 1 is relatively low and a relatively good working environment is maintained for the communication terminal body 25.

As an embodiment of the invention, a fixing groove 2 is fixedly arranged in the middle of the bottom surface of the placing cavity; an annular air bag 21 is fixedly arranged on the side wall in the fixing groove 2; a contact plate 23 is fixedly arranged on the inner side surface of the annular air bag 21; the communication terminal body 25 is placed in the fixing groove 2, and the contact plate 23 contacts and presses the fixing communication terminal body 25 by the action of the annular air bag 21; the gas filled in the annular air bag 21 is nitrogen;

during operation, it is fixed to advance communication terminal main part 25 through the annular gasbag 21 that fills has nitrogen gas, guarantees the fastness fixed to communication terminal main part 25, simultaneously, avoids excessive extrusion, causes communication terminal main part 25 to appear damaging, simultaneously, fills nitrogen gas in annular gasbag 21, can guarantee the security in the pit, avoids special gas concentration to exceed standard, arouses the incident.

As an embodiment of the invention, a plurality of second springs 22 are uniformly and fixedly arranged inside the annular air bag 21; the second spring 22 can generate a squeezing effect on the contact plate 23;

during operation, a plurality of second springs 22 are uniformly installed in the annular airbag 21, so that the second springs 22 can still extrude the contact plate 23 when the annular airbag 21 breaks, the communication terminal main body 25 is fixed through the contact plate 23, the stability of the communication terminal main body 25 in the shell 1 is ensured, and the communication terminal is prevented from loosening in the shell 1 to cause collision.

In one embodiment of the present invention, the surface of the annular bladder 21 has micropores; the nitrogen gas filled in the annular air bag 21 can slowly escape through the micropores on the surface of the annular air bag; the annular air bag 21 dissipates gas, and the time required for reaching the internal and external pressure balance is more than 3 times of the single working time of the user in the well;

during operation, the nitrogen slowly escaped from the annular air bag 21 can ensure that the content of the nitrogen in the shell 1 is relatively high, thereby ensuring that gas components in the shell 1 are always in a safe state, and avoiding that an electronic device in the shell 1 generates tiny electric sparks to cause the sudden combustion of combustible gas underground, which causes serious safety accidents and casualties.

As an embodiment of the present invention, a suction cup 24 is fixedly mounted on the surface of the contact plate 23; the sucking discs 24 are distributed on the surface of the contact plate 23 uniformly; the side surface of the contact plate 23 on which the suction cup 24 is mounted is in contact with the communication terminal main body 25;

during operation, through setting up sucking disc 24 on contact plate 23, contact plate 23 can be inseparabler and contact with communication terminal main part 25 to accomplish fixedly, avoid communication terminal to appear becoming flexible, drop, simultaneously, can avoid contact plate 23 direct contact communication terminal main part 25's surface through the sucking disc 24 that sets up, avoid contact plate 23 to cause the extrusion damage to communication terminal main part 25.

As an embodiment of the present invention, a rubber layer 11 is fixedly mounted on the upper surface of the housing 1; the rubber layer 11 surrounds the warning lamp 12 at the middle position; micro air cavities are uniformly arranged in the rubber layer 11; the micro air cavities are filled with nitrogen;

during operation, through installation rubber layer 11 on the upper surface at shell 1, can effectually avoid the unexpected small stone that drops above the wall of a well to the impact of shell 1, guarantee shell 1's stability, promote shell 1 to the protection effect of communication terminal main part 25.

The specific working process is as follows:

when the communication terminal is in work, the communication terminal main body 25 is placed in the placing cavity and is fixed by the air bag, meanwhile, after a worker reaches a preset underground working position, the shell 1 with the communication terminal main body 25 placed is placed on the nearby bottom surface, the supporting plates 15 on the shell 1 are opened, and meanwhile, the warning lamp 12 arranged on the upper surface of the shell 1 can prompt the worker through light; when the ground flatness of a working point of a worker in the pit is poor, the extension plate 151 is drawn out from the support plate 15, and the contact area between the support plate 15 and the bottom surface is increased; when an emergency needs to be evacuated, workers can quickly and conveniently destroy the drawing-out plate 13 on the shell 1, take the communication terminal main body 25 out of the shell 1, abandon the relatively heavy shell 1 and carry the portable communication terminal main body 25 for evacuation; the strength of the shell 1 is improved by wrapping the metal strip in the shell 1, and meanwhile, the used metal strip can improve the signal transmission strength and the signal receiving sensitivity of the communication terminal main body 25 under the action of the controller 17; a plurality of second springs 22 are uniformly arranged in the annular air bag 21, when the annular air bag 21 is broken, the second springs 22 still press the contact plate 23, and the communication terminal main body 25 is fixed through the contact plate 23; the nitrogen in the shell 1 can be relatively high through the nitrogen slowly escaped from the annular air bag 21, so that the gas components in the shell 1 are always in a safe state; by the suction cups 24 provided on the contact plate 23, the contact plate 23 can be brought into closer contact with the communication terminal main body 25 to complete fixation, and at the same time, the contact plate 23 can be prevented from directly contacting the surface of the communication terminal main body 25 to damage the communication terminal main body 25.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A communication terminal comprising a housing (1) and a communication terminal body (25), characterized in that: the shell (1) is square; a placing cavity is formed in the shell (1); a drawing-out plate (13) is arranged on the shell (1) in a sliding way; the drawing-out plate (13) can be drawn out transversely and opens the placing cavity; the communication terminal main body (25) is fixed inside the placing cavity through an air bag; a warning lamp (12) is fixedly arranged in the middle of the upper surface of the shell (1); a supporting plate (15) is rotatably arranged on the side surface of the shell (1); the supporting plates (15) are arranged on a plurality of side surfaces of the shell (1) respectively; a rotating shaft (153) is arranged on the supporting plate (15); the rotating shaft (153) is fixedly connected with the shell (1), and the rotating shaft (153) and the supporting plate (15) can rotate relatively; a first cavity (154) is formed in the support; the rotating shaft (153) penetrates through the first cavity (154); a torsion spring (155) is arranged in the first cavity (154); and two ends of the torsion spring (155) are fixedly connected to the inner wall of the first cavity (154) and the side surface of the rotating shaft (153) respectively.

2. The communication terminal of claim 1, wherein: a third cavity (158) is formed in the supporting plate (15); an extension plate (151) is slidably mounted in the cavity III (158); the extension plate (151) can be extracted from the cavity III (158) when the extension plate (151) can not be completely separated from the support plate (15); a second cavity (156) is formed in the supporting plate (15); the second cavity (156) is positioned on the side surface of the third cavity (158), and the two cavities are not communicated with each other; a fixed column (152) is slidably mounted in the second cavity (156); a first spring (157) is arranged in the second cavity (156); the first spring (157) can push the fixed column (152) outwards; before the supporting plate (15) is not opened, the fixing column (152) extends out under the action of the first spring (157) and is inserted into a corresponding fixing hole in the shell (1); after the fixing column (152) is inserted into the fixing hole, the supporting plate (15) is locked and cannot be smoothly opened; a toggle hole is formed in the fixed column (152); the supporting plate (15) is provided with a toggle groove, and the toggle hole is opposite to the toggle groove.

3. The communication terminal of claim 1, wherein: grid holes (14) are uniformly formed in the shell (1); the grid holes (14) are communicated with the placing cavity and the outside; grid holes (14) are uniformly formed in the drawing plate (13) in the same way.

4. A communication terminal according to claim 3, characterized in that: a plurality of active defect grooves (131) are uniformly formed in the extraction plate (13); the active defect groove (131) is positioned on the side surface of the extraction plate (13) facing the placing cavity; after the drawing plate (13) is pressed by a user to the active defect groove (131) with force, the drawing plate (13) can be broken at the active defect groove (131) to open the placing cavity.

5. The communication terminal of claim 1, wherein: the housing (1) is made of high-strength plastic; a layer of radiation refrigeration film is fixedly arranged on the surface of the shell (1); a metal strip is wrapped in the shell (1); the shell (1) is provided with an installation cavity; the installation cavity is positioned below the placing cavity; the opening of the mounting cavity and the opening of the placing cavity are positioned on the same side surface of the shell (1); the opening of the installation cavity is sealed by a sealing plate (16); a controller (17) and a battery pack (18) are fixedly arranged in the mounting cavity; the controller (17) is electrically connected with the metal strip in the shell (1) to enable the metal strip to generate the effect of the antenna; the controller (17) is connected with a data line, and the data line is communicated with the communication terminal main body (25); the communication terminal main body (25) can transmit and receive signals by using the metal strips in the shell (1) under the relay control of the controller (17); the battery pack (18) supplies power to the controller (17), the antenna consisting of the metal strips, the warning lamp (12) and the communication terminal main body (25); the battery pack (18) can be powered for more than 3 times the time of a single user trip.

6. The communication terminal of claim 1, wherein: a fixing groove (2) is fixedly arranged in the middle of the bottom surface of the placing cavity; an annular air bag (21) is fixedly arranged on the side wall in the fixing groove (2); a contact plate (23) is fixedly arranged on the inner side surface of the annular air bag (21); the communication terminal main body (25) is placed in the fixing groove (2), and the contact plate (23) contacts and presses the fixing communication terminal main body (25) under the action of the annular air bag (21); the gas filled in the annular air bag (21) is nitrogen.

7. The communication terminal according to claim 6, characterized in that: a plurality of second springs (22) are uniformly and fixedly arranged in the annular air bag (21); the second spring (22) can generate a squeezing effect on the contact plate (23).

8. The communication terminal according to claim 7, wherein: micropores are formed on the surface of the annular air bag (21); the nitrogen filled in the annular air bag (21) can slowly escape through micropores on the surface of the annular air bag; the annular air bag (21) dissipates gas, and the time required for reaching the internal and external pressure balance is more than 3 times of the single downhole working time of a user.

9. The communication terminal according to claim 6, characterized in that: a sucker (24) is fixedly arranged on the surface of the contact plate (23); the sucking discs (24) are distributed on the surface of the contact plate (23) uniformly; the side surface of the contact plate (23) on which the suction cup (24) is mounted is in contact with the communication terminal main body (25).

10. The communication terminal of claim 1, wherein: a rubber layer (11) is fixedly arranged on the upper surface of the shell (1); the rubber layer (11) surrounds the warning lamp (12) at the middle position; micro air cavities are uniformly arranged in the rubber layer (11); and nitrogen is filled in the micro air cavities.

11. A method of communication, characterized by: the communication method is applied to a communication terminal according to any one of claims 1 to 10; when the communication terminal carries out communication, after the communication terminal cannot receive the information sent by the base station, the communication terminal adjusts the self receiving mode to enable the communication terminal to operate as a temporary base station; after the communication terminal operates as a temporary base station, the communication terminal can still communicate with another communication terminal; after the communication terminal is used as a temporary base station and receives information sent by other communication terminals, when the information is not the information which is appointed to be sent to the communication terminal, the communication terminal sorts the information and then carries out secondary forwarding; after the communication terminals adjust the receiving mode and operate as a temporary base station, the communication terminals in a certain area can gradually exchange with each other through a local area network; when the communication terminal communicates in the local area network, after any communication terminal in the local area network is reconnected with the base station, other communication terminals in the local area network carry out transfer communication with the base station through the terminal reconnected with the base station.