CN114900202B - Wireless interphone for communication - Google Patents

Wireless interphone for communication Download PDF

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Publication number
CN114900202B
CN114900202B CN202210583844.8A CN202210583844A CN114900202B CN 114900202 B CN114900202 B CN 114900202B CN 202210583844 A CN202210583844 A CN 202210583844A CN 114900202 B CN114900202 B CN 114900202B
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CN
China
Prior art keywords
air
pipe
shell
casing
wall
Prior art date
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Active
Application number
CN202210583844.8A
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Chinese (zh)
Other versions
CN114900202A (en
Inventor
杨亚民
宋狄
孟祥楠
周旭
周东旭
宋晓博
李鹏宇
程亚楠
匡琮
史文龙
陈思
王蕾
崔玉莹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd
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Application filed by Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority to CN202210583844.8A priority Critical patent/CN114900202B/en
Publication of CN114900202A publication Critical patent/CN114900202A/en
Application granted granted Critical
Publication of CN114900202B publication Critical patent/CN114900202B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827Portable transceivers
    • H04B1/3888Arrangements for carrying or protecting transceivers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a wireless interphone for communication, which is characterized in that a buckle for easy carrying is arranged at the back of a shell, an air outlet channel is formed in the inner wall of the shell, an air inlet for inputting air flow into the air outlet channel is formed in the surface of the shell, a driving blade is arranged in the shell, and the driving blade is used for enabling an air increasing fan to synchronously rotate through a transmission shaft, so that when a user speaks, the driving blade is blown to rotate through the exhaled air flow, the air flow at the air inlet channel is further caused to be input into the air outlet channel, circulation of the air flow in the inner cavity of the shell is realized, heat dissipation is easy, the shell is integrally hung to the chest or the arm part of the user by combining the buckle, the driving blade can change the air flow generated by the air inlet through external air flow, such as wind power or walking of a person, and the temperature in the inner cavity of the shell is further increased, and the purpose of easy air cooling is finally realized.

Description

Wireless interphone for communication
Technical Field
The invention relates to the technical field related to wireless communication equipment, in particular to a wireless interphone for communication.
Background
The interphone can communicate without any network support, has no telephone charge, and is suitable for occasions with relatively fixed and frequent communication.
In practical use, in order to facilitate carrying, the volume and the mass of the wireless interphone are relatively small, meanwhile, in order to increase the duration, some energy consumption structures, such as a cooling fan, need to be subtracted, so that the conventional interphone mainly dissipates heat according to direct outward heat dissipation, and the heat source in the interphone continuously dissipates heat outward, so that the phenomenon of overheating in the interphone is promoted when the heat dissipation is not enhanced, and the service life of the interphone is reduced; on the other hand, most of the existing interphones are hand-held, so that the interphone can fall off due to the reasons of users in actual use, although the existing interphone shell can resist external force, the internal components can not be used due to impact, and particularly, the surface of the interphone is generally provided with a liquid crystal screen, if the interphone directly impacts the ground, the screen is broken, so that normal use is affected.
Disclosure of Invention
Aiming at the defects of the prior interphone in the use process, the invention provides a wireless interphone for communication, which has the advantage of easy air cooling and solves the technical problems in the prior art.
The invention provides the following technical scheme: the utility model provides a wireless intercom for communication, includes the casing, the surface of casing is provided with the LCD screen, the surface of casing and be located one side of LCD screen and be provided with the button, the top of casing is provided with the antenna, and the back of casing is provided with the buckle that is used for easily carrying, the air outlet is offered to the inner wall of casing, and the shape of air outlet is "L" shape, the one end of air outlet is located casing back downside, the surface of casing is provided with the air inlet to air outlet input air current, the inner wall movable mounting of casing has the transmission shaft, and the lateral wall fixed mounting of transmission shaft has the drive leaf that is located air outlet, realizes that the air current that the air inlet blown out makes the drive leaf rotate after the drive leaf flows to the air outlet, the inner wall of casing is provided with the recording piece that is located drive leaf one side.
Further, the inner cavity of the shell is movably provided with an air increasing fan, the air increasing fan is coaxially connected with the transmission shaft, the top side of the back of the shell is provided with an air inlet channel which is communicated with the air outlet channel, and the air increasing fan rotates to enable air flow in the shell to be sucked from the air inlet channel and then discharged through the air outlet channel.
Further, the outside corner fixed mounting of casing has the cooling tube, the bottom corner fixed mounting who hangs of casing has the pipe that hits in advance, and hits in advance and communicate each other between pipe and the cooling tube in advance, it has a sufficient liquid medium to pour into in the cooling tube.
Further, the side wall fixed mounting of casing has the trade liquid piece, and the inner wall movable mounting who trades the liquid piece trades the liquid fan, trade liquid fan and transmission shaft coaxial fixation, the lateral wall fixed mounting who trades the liquid piece has the trade liquid to say, and trade liquid to say one end and cooling tube fixed mounting, the infusion way has been seted up to the inner chamber that trades the liquid to realize that trade liquid fan rotates in with the medium input in the cooling tube in the pre-hit pipe.
Further, the cross section internal diameter of the pre-collision pipe is set to be twice of the cross section internal diameter of the radiating pipe, the radiating pipe is provided with a current limiting pipe for limiting current between the pre-collision pipe and the radiating pipe, the number of the current limiting pipes is three, an expansion bag is fixedly arranged in the middle of the inner wall of the pre-collision pipe, and the expansion bag is made of telescopic rubber.
Further, a gas storage cavity constructed between the inner wall of the pre-collision pipe and one side of the expansion bag is arranged in the pre-collision pipe, a gas supplementing plug for carrying out gas flow supplement adjustment on the gas storage cavity is fixedly arranged on one side of the pre-collision pipe, a push rod positioned in the gas storage cavity is fixedly arranged at the bottom of the expansion bag, and the push rod is pushed out from the pre-collision pipe when the number of the mediums in the pre-collision pipe increases.
The beneficial effects are that:
1. According to the invention, the driving blades are arranged in the shell, and the driving blades are enabled to synchronously rotate through the transmission shafts, so that when a user speaks, the driving blades are enabled to be blown to rotate through exhaled air flow, the air flow at the air inlet channel is further caused to be input into the air outlet channel by the air increasing fan, circulation of the air flow in the inner cavity of the shell is realized, heat dissipation is easy, the shell is integrally hung on the front or arm part of the user by combining with the buckle, and the driving blades can change the air flow generated by the air inlet when the user walks through external air flow, such as wind force or people, so that the temperature cooling in the inner cavity of the shell is further increased, and finally the aim of easy air cooling is realized.
2. According to the invention, the air inlet channel is arranged at the top of the side wall of the shell, the air outlet channel is arranged at the bottom of the side wall of the shell, and the air flow output from the air inlet channel and the air inlet channel is finally output from the air outlet channel, and when the side part of the shell falls, the air flow poured into the air inlet channel and the air inlet channel is caused to act into the air outlet channel in the process that the liquid crystal screen is opposite to the ground, and the air inlet channel generates outward suction force, and the air outlet channel generates outward thrust, so that the bottom of the shell has a tendency of moving rapidly towards the ground, the phenomenon that the liquid crystal screen directly contacts the ground when the shell falls is avoided, and the phenomenon that the liquid crystal screen directly contacts the ground is avoided.
3. According to the invention, the radiating pipes are arranged at the outer hanging corners of the shell and are communicated with each other, and the side wall of the shell is provided with the liquid exchange fan for circulating medium in the radiating pipes through the liquid exchange block, so that the medium in the radiating pipes is continuously circulated in the process that the liquid exchange fan rotates along with the driving blades, the purpose of cooling the outside of the shell is realized, the purpose of cooling the outside of the shell by air cooling inside is achieved, and the cooling strength is enhanced; on the other hand, when the casing falls out, the radiating pipe filled with the cooling medium on the outer side of the casing can be firstly contacted with the ground, so that the purpose of damping the casing is achieved, the anti-falling strength of the casing is enhanced, and finally the purposes of enhancing the cooling efficiency and the anti-falling strength are achieved.
4. According to the invention, the pre-collision pipe is arranged at four corners of the bottom of the shell, the expansion bag is arranged in the pre-collision pipe, and the gas medium is filled into the sealed cavity formed by the pre-collision pipe and the expansion bag, meanwhile, the ejector rod for pushing out is arranged on the expansion bag, so that when the shell is in a falling state, when the liquid crystal screen directly moves towards the ground, the driving blade is driven to rotate, the airflow movement as above is realized, deflection of the shell is realized, the bottom of the shell is ensured to be in contact with the ground at first, meanwhile, the medium in the radiating pipe is driven to be rapidly filled into the pre-collision pipe through the rotation of the driving blade, and the rapidly filled medium cannot flow back from the current limiting pipe until the medium in the pre-collision pipe is extruded out through the expansion bag, so that the medium in the pre-collision pipe is increased, the gravity is enabled to be transferred to the pre-collision pipe due to the transfer of the medium, the deflection of the shell is enhanced, the stretched ejector rod is firstly in contact with the ground, the buffering is realized, the falling resistance of the shell is enhanced, and the gravity is finally realized.
Drawings
FIG. 1 is a schematic view of the overall front perspective structure of the present invention;
FIG. 2 is a schematic view of the overall rear perspective of the present invention;
FIG. 3 is a schematic diagram of the overall frontal structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the structure of FIG. 3 at A-A in accordance with the present invention;
FIG. 5 is a schematic view of the cross-sectional structure of the invention at B-B in FIG. 3;
FIG. 6 is a schematic diagram of a cross-sectional structure at C-C in FIG. 3 in accordance with the present invention;
fig. 7 is an enlarged view of the structure of fig. 4 at D according to the present invention.
In the figure: 1. a housing; 2. a liquid crystal panel; 3. a transmission shaft; 4. a button; 5. a flow limiting pipe; 6. a tonifying qi plug; 7. pre-impacting the pipe; 8. changing liquid blocks; 9. a liquid exchange channel; 10. a heat radiating pipe; 11. a driving blade; 12. an antenna; 13. an air inlet; 14. an air inlet channel; 15. a buckle; 16. an air outlet channel; 17. a recording block; 18. an air increasing fan; 19. a push rod; 20. expanding the bag; 21. a gas storage chamber; 22. a liquid exchange fan; 23. an infusion channel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a wireless intercom for communication includes a housing 1, a liquid crystal screen 2 for adjusting display is provided on the surface of the housing 1, a button 4 is provided on one side of the liquid crystal screen 2 on the surface of the housing 1, an antenna 12 is provided on the top of the housing 1, a buckle 15 for easy carrying is provided on the back of the housing 1, when the housing 1 is used, the buckle 15 is directly clamped to the chest and the arm of a user, so as to realize the carrying of the housing 1, an air outlet channel 16 is provided on the inner wall of the housing 1, the shape of the air outlet channel 16 is L-shaped, one end of the air outlet channel 16 is located on the bottom side of the back of the housing 1, an air inlet 13 for inputting air flow to the air outlet channel 16 is provided on the surface of the housing 1, a transmission shaft 3 is movably mounted on the inner wall of the housing 1, a driving blade 11 located in the air outlet channel 16 is fixedly mounted on the side wall of the transmission shaft 3, the air flow blown out from the air inlet 13 is enabled to flow to the air outlet channel 16, and is enabled to rotate through the driving blade 11 after the driving blade 11 flows to the air outlet channel 16, the inner wall of the housing 1 is enabled to be provided with a block 17 located on the inner wall of the housing 1, so that the air flow is enabled to be enabled to flow through the air outlet channel 11 and is enabled to be evenly blown into the inner cavity 1, and the inner cavity is enabled to be enabled to flow through the inner wall of the driving blade 11, and is enabled to be cooled through the air outlet channel and is enabled to be in the inner cavity and is enabled to be in the inner surface and is enabled to be in the process by the air temperature is enabled.
Referring to fig. 3 and 5, in order to further enhance the temperature reduction of the inner cavity of the casing 1, an air increasing fan 18 is movably installed in the inner cavity of the casing 1, and the air increasing fan 18 is coaxially connected with the transmission shaft 3, and an air inlet channel 14 for communicating with the air outlet channel 16 is formed on the top side of the back of the casing 1, so that the air increasing fan 18 rotates to enable air flow in the casing 1 to be sucked from the air inlet channel 14 and then discharged through the air outlet channel 16, thereby further reducing the temperature in the casing 1, and meanwhile, the phenomenon that the liquid crystal screen 2 on the casing 1 falls to the ground is avoided through the air suction and discharge between the air outlet channel 16 and the air inlet channel 14 in the falling process.
Referring to fig. 1 and 2, in order to further improve the anti-falling strength of the casing 1, a radiating pipe 10 is fixedly installed at an outer corner of the casing 1, a pre-crash pipe 7 is fixedly installed at a bottom corner of the casing 1, the pre-crash pipe 7 and the radiating pipe 10 are mutually communicated, and a sufficient amount of liquid medium is filled into the radiating pipe 10, wherein the liquid medium can be water, oil easy to flow, and the like, so that the radiating pipe 10 is easier to buffer and shock-absorb when falling downwards.
Referring to fig. 3 and 6, in order to further realize cooling of the casing 1 by the medium in the heat dissipating tube 10, the heat dissipating tube 10 is further introduced into the pre-collision tube 7 when the heat dissipating tube 22 rotates, so that the medium in the heat dissipating tube 10 and the pre-collision tube 7 are continuously circulated, and the temperature in the pre-collision tube 7 and the heat dissipating tube 10 are uniform, thereby enhancing the heat dissipating strength.
Referring to fig. 3, 6 and 7, in order to further make the chassis 1 make the pre-crash tube 7 contact the ground for buffering during falling, so as to protect the liquid crystal screen 2, the cross-section inner diameter of the pre-crash tube 7 is twice that of the heat dissipation tube 10, and the heat dissipation tube 10 is provided with three flow limiting tubes 5 for limiting flow between the pre-crash tube 7 and the heat dissipation tube 10, and the expansion bags 20 are fixedly installed in the middle of the inner wall of the pre-crash tube 7, and the expansion bags 20 are made of telescopic rubber materials, so that when the liquid exchange fan 22 rotates at a low speed, the expansion bags 20 are inserted into half of the inner cavity of the pre-crash tube 7, so that the medium in the pre-crash tube 7 flows back through the flow limiting tubes 5, the continuous circulation of the whole medium is ensured, and when the liquid exchange fan 22 rotates at a high speed, the pressure in the pre-crash tube 7 is increased, so that more medium is filled, and the pre-crash tube 7 is easy to deviate from the ground.
Referring to fig. 3, 6 and 7, in order to further reduce the impact strength of the casing 1 when the casing is dropped, the air storage cavity 21 constructed between the inner wall of the pre-crash pipe 7 and one side of the expansion bag 20 is provided in the pre-crash pipe 7, the air supplementing plug 6 for supplementing and adjusting the air flow of the air storage cavity 21 is fixedly installed on one side of the pre-crash pipe 7, meanwhile, the ejector rod 19 positioned in the air storage cavity 21 is fixedly installed at the bottom of the expansion bag 20, and the ejector rod 19 is ejected from the pre-crash pipe 7 when the medium in the pre-crash pipe 7 increases, so that the air is absorbed by the ejector rod 19 firstly and compressed by the air flow in the air storage cavity 21 in the process of dropping the casing 1, so that the ejector rod 19 can be retracted to the pre-crash pipe 7 after the medium pressure in the pre-crash pipe 7 is weakened according to the air flow in the air storage cavity 21, and the sealing at the air storage cavity 21 is ensured when the ejector rod 19 is retracted.
The working principle of the invention is as follows: when the cooling device is used, the alternating-current frequency band is regulated through the button 4 and is operated according to the display of the liquid crystal display 2, secondly, the button 4 is pressed and the air inlet 13 is controlled to speak, air flow which is spitted out by a person is arranged on the driving blade 11 through the air inlet 13, the driving blade 11 is driven to rotate, sound is recorded and output through the recording block 17, the air flow which is input by the air inlet 13 is discharged from the air outlet channel 16, in the rotating process of the driving blade 11, the air increasing fan 18 is driven to synchronously rotate through the transmission shaft 3, the air flow at the air inlet channel 14 is driven to be sucked into the inner cavity of the casing 1 and is discharged according to the air outlet channel 16, on the other hand, the transmission shaft 3 drives the liquid exchanging fan 22 to rotate, and the medium in the liquid exchanging fan 22 is driven to be conveyed to the direction of the pre-collision pipe 7 through the rotation of the liquid exchanging fan 22, and flows back to the casing 10 through the pre-collision pipe 7 after the medium is increased, and the medium flows into the casing 10 through the pre-collision pipe 5.
In the wearing process of the casing 1, the air flow generated when the outside wind blows and the person walks is changed by clamping the chest and the arm of the user through the clamping buckle 15, so that the driving blade 11 rotates synchronously through the outside air flow change in the wearing process of the casing 1 and the working process of the casing 1, and the purpose of continuously cooling the casing 1 is achieved.
When the casing 1 falls off from the hand of the user, at this time, the liquid crystal screen 2 is opposite to the contact ground and not opposite to the contact ground, when the liquid crystal screen 2 is not opposite to the ground, the casing 1 is not damaged due to higher overall anti-falling strength of the casing 1 and is buffered by the radiating pipe 10 after falling off, and when the liquid crystal screen 2 falls off opposite to the ground, the liquid crystal screen 2 is directly fallen on the ground and is easy to break, so that after falling off, air flows are quickly poured into the driving blades 11 from the air inlets 13 during falling off, and are blown out from the air outlet channels 16 through the air flows of the driving blades 11, so that the bottom of the air outlet channels 16 has a trend of moving towards the ground, and the driving blades 11 rotate, the air increasing fan 18 is synchronously driven to rotate, and the air flow in the air outlet channels 16 is promoted to output through the rotation of the air increasing fan 18, and when the air inlet channels 14 are arranged at the top of the back of the casing 1, the air inlet channels 14 are promoted to have a trend of being inclined upwards, the casing 1 falls down in the whole process of being generated, and the air inlet channels 7 are most inclined in the whole process.
Meanwhile, the transmission shaft 3 drives the liquid exchange fan 22 to synchronously and rapidly rotate, so that the liquid exchange fan 22 rapidly flows the medium into the pre-collision pipe 7 through the liquid conveying pipeline 23, the medium in the flow limiting pipe 5 is not sufficiently output from the flow limiting pipe 5 due to the rapid movement of the liquid exchange fan 22, the medium in the pre-collision pipe 7 is continuously increased, the air flow in the air storage cavity 21 is further pressed through the expansion bag 20, the ejector rod 19 is pushed out of the pre-collision pipe 7, meanwhile, the medium in the pre-collision pipe 7 is synchronously increased, and the medium in the heat dissipation pipe 10 is continuously gathered into the pre-collision pipe 7, so that the whole gravity center of the casing 1 is further transferred to the direction of the pre-collision pipe 7, the downward movement trend of the pre-collision pipe 7 is increased, the casing 1 is firstly impacted against the ground through the ejector rod 19 when contacting the ground, the casing 1 is continuously dropped down, the secondary impact is formed through the pre-collision pipe 7, the medium in the pre-collision pipe 7 is further increased, and the shock absorption strength is increased, and the phenomenon that the liquid crystal screen 2 directly drops to the ground is avoided.

Claims (1)

1. A wireless intercom for communications, comprising a housing (1), characterized in that: the surface of casing (1) is provided with LCD screen (2), the surface of casing (1) and be located one side of LCD screen (2) and be provided with button (4), the top of casing (1) is provided with antenna (12), and the back of casing (1) is provided with buckle (15) that are used for easily carrying, venthole (16) have been seted up to the inner wall of casing (1), and the shape of venthole (16) is "L" shape, the one end of venthole (16) is located the bottom of the back of casing (1), the surface of casing (1) is provided with air inlet (13) to venthole (16) input air flow, the inner wall movable mounting of casing (1) has transmission shaft (3), and the lateral wall fixed mounting of transmission shaft (3) has drive leaf (11) that are arranged in venthole (16), realizes that the air flow that air inlet (13) blows off causes rotation after flowing to venthole (16) through drive leaf (11), the inner wall of casing (1) is provided with record piece (17) that are located one side of drive leaf (11),
An air increasing fan (18) is movably arranged in the inner cavity of the shell (1), the air increasing fan (18) is coaxially connected with the transmission shaft (3), an air inlet channel (14) communicated with the air outlet channel (16) is formed in the top side of the back of the shell (1), the air increasing fan (18) rotates to enable air flow in the shell (1) to be sucked from the air inlet channel (14) and then discharged through the air outlet channel (16),
The external corner part of the shell (1) is fixedly provided with a radiating pipe (10), the bottom corner of the shell (1) is fixedly provided with a pre-collision pipe (7), the pre-collision pipe (7) is communicated with the radiating pipe (10), the radiating pipe (10) is filled with a sufficient amount of liquid medium,
The side wall of the shell (1) is fixedly provided with a liquid exchange block (8), the inner wall of the liquid exchange block (8) is movably provided with a liquid exchange fan (22), the liquid exchange fan (22) is coaxially fixed with the transmission shaft (3), the side wall of the liquid exchange block (8) is fixedly provided with a liquid exchange channel (9), one end of the liquid exchange channel (9) is fixedly provided with a radiating pipe (10), the inner cavity of the liquid exchange channel (9) is provided with a liquid conveying channel (23), so that when the liquid exchange fan (22) rotates, a medium in the radiating pipe (10) is input into the pre-collision pipe (7),
The inner diameter of the cross section of the pre-collision pipe (7) is twice of the inner diameter of the cross section of the radiating pipe (10), the radiating pipe (10) is provided with three current limiting pipes (5) for current limiting between the pre-collision pipe (7) and the radiating pipe (10), the number of the current limiting pipes (5) is three, an expansion bag (20) is fixedly arranged in the middle of the inner wall of the pre-collision pipe (7), the expansion bag (20) is made of telescopic rubber materials,
The gas storage device is characterized in that a gas storage cavity (21) constructed between the inner wall of the pre-collision pipe (7) and one side of the expansion bag (20) is arranged in the pre-collision pipe (7), a gas supplementing plug (6) for carrying out gas flow supplement adjustment on the gas storage cavity (21) is fixedly arranged on one side of the pre-collision pipe (7), a push rod (19) located in the gas storage cavity (21) is fixedly arranged at the bottom of the expansion bag (20), and the push rod (19) is ejected out of the pre-collision pipe (7) when the medium in the pre-collision pipe (7) increases.
CN202210583844.8A 2022-05-26 2022-05-26 Wireless interphone for communication Active CN114900202B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN114900202B true CN114900202B (en) 2024-05-17

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CN208257800U (en) * 2018-05-18 2018-12-18 李妍启 A kind of community security defence intercom
CN208337562U (en) * 2018-07-13 2019-01-04 深圳市中瑞科电子有限公司 A kind of reliability and durability intercom
CN208836132U (en) * 2018-11-21 2019-05-07 陕西理工大学 It is a kind of can shatter-resistant wireless communication intercom
CN210986094U (en) * 2020-03-14 2020-07-10 福建泉州市精通电子有限公司 A building intercom that dismouting is convenient for security protection has a heat dissipation function
CN212969628U (en) * 2020-06-25 2021-04-13 天津联合智选科技有限公司 Railway public network cluster intercom equipment
CN215818122U (en) * 2021-08-19 2022-02-11 深圳前海九分科技有限公司 Portable anti-falling interphone
CN216122400U (en) * 2021-09-14 2022-03-22 孟庆秀 Intercom is used in tunnel subway construction

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