CN212785340U

CN212785340U - Intercom equipment convenient to carry

Info

Publication number: CN212785340U
Application number: CN202021805780.4U
Authority: CN
Inventors: 靳铁超; 卓育含; 黄辉
Original assignee: Safety Consulting Service Beijing Co ltd
Current assignee: Safety Consulting Service Beijing Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-23
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to the technical field of communication devices, and discloses a portable talkback device which comprises a body and an elastic belt, wherein the front side of the body is provided with a display screen and a button, the upper end of the back side of the body is provided with a first fastener, and the lower end of the back side of the body is provided with an accommodating device; one end of the elastic belt is connected with the first fastener, and the other end of the elastic belt is connected with the storage device. When the intercom device is used, a user can use the intercom device by holding the intercom device by hand or without holding the intercom device by hand. When the hand of the user passes through the elastic belt, the intercom device can be fixed at any position of the hand or the arm of the user and the like, and the intercom device can be conveniently used without being held by the hand; the intercom device may also conveniently function normally when the user has both hands with other equipment or needs to do something else.

Description

Intercom equipment convenient to carry

Technical Field

The patent of the utility model relates to a communication device's technical field particularly, relates to a portable's equipment of talkbacking.

Background

When security personnel patrol, an interphone is usually used, communication can be carried out within a certain range without any network support, no call charge is generated, and the system is suitable for occasions with relatively fixed and frequent communication. The public security officer usually uses talkback equipment integrating talkback and digital camera shooting functions, so that communication between the user and a switchboard can be ensured, dynamic and static field conditions can be digitally recorded in the law enforcement process, and the public security officer can conveniently enforce the law in various environments.

The existing talkback equipment is held by hands when in use and is not held at the waist when not in use, but does not have the function of convenient use without being held by hands, and has poor use flexibility.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intercom device convenient to carry aims at solving the problem that needs handheld intercom device to use well among the prior art.

The utility model discloses a realize like this, a portable's intercom equipment, intercom equipment includes:

the front side of the body is provided with a display screen and a key, the upper end of the back side of the body is provided with a first fastener, and the lower end of the back side of the body is provided with a storage device;

one end of the elastic belt is connected with the first fastener, and the other end of the elastic belt is connected with the storage device.

Further, the storage device includes a second fastener, one end of the elastic belt is connected with the first fastener, and the other end of the elastic belt is connected with the second fastener.

Further, the elastic band is arranged to wrap around the first fastener, or the elastic band is arranged to wrap around the second fastener.

Further, the containing device comprises a shell, a fixed shaft and an elastic piece; the peripheral wall of the housing has an opening; the fixed shaft is arranged in the shell and is positioned in the center of the shell; the elastic piece is arranged on the fixed shaft, one end of the elastic piece is connected with the elastic belt, the elastic belt is wound around the fixed shaft, and one end, far away from the elastic piece, of the elastic belt penetrates through the opening and is connected with the first fastener.

Furthermore, the elastic piece is a coil spring, one end of the coil spring is fixed on the fixed shaft, and the other end of the coil spring is connected with the elastic belt.

Further, the elastic belt is detachably connected with the first fastener.

Furthermore, one side of the elastic belt close to the back of the body is provided with a cushion.

Furthermore, a human authentication module is arranged on the body.

Furthermore, the upper end of body is installed the antenna and is used for frequency modulation's adjust knob, the front of body is close to the position of lower extreme and is had a plurality of horn holes.

Furthermore, the lower extreme of body has earphone hole, USB interface and can be used to the conducting strip that charges.

Compared with the prior art, the portable talkback equipment provided by the utility model has the advantages that the elastic belt is arranged on the back surface of the equipment, when the hand of the user passes through the elastic belt, the talkback equipment can be fixed at any position of the hand or arm of the user, and the equipment can be conveniently used without holding the talkback equipment; when both hands of the user have other equipment or need to do other things, the intercom device can also conveniently and normally operate; and the user also can hand intercom and use, can all use normally handheld and when not handheld, and is very convenient.

Drawings

Fig. 1 is a rear view of a portable intercom device equipped with an elastic band according to the present invention;

fig. 2 is a rear view of a portable intercom device provided by the present invention before the elastic band is installed;

fig. 3 is a schematic cross-sectional view of the storage device of the intercom device convenient to carry.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-3, the preferred embodiment of the present invention is shown.

A portable intercom device comprises a body 100 and an elastic belt 200, wherein the front of the body 100 is provided with a display screen and keys, the upper end of the back of the body 100 is provided with a first fastener 110, and the lower end of the back of the body 100 is provided with a containing device 120; one end of the elastic band 200 is connected to the first buckle 110, and the other end of the elastic band 200 is connected to the receiving device 120.

The first fastener 110 may be a metal strip, two ends of the metal strip are respectively fixed at the upper end of the back of the intercom body 100, a gap is formed between the middle of the metal strip and the back of the body 100, and the elastic band 200 can pass through the gap and then be connected to the metal strip.

The storage device 120 connected to the other end of the elastic band 200 may be configured to simply fix the other end of the elastic band 200, or may be configured to wind the other end of the elastic band 200 and store the other end in a housing 121, and release a part of the elastic band 200 from the housing 121 when a longer elastic band 200 is required.

When the intercom device is used, the intercom device can be used by being held by hands or can be used without being held by hands. When the hand of the user passes through the elastic band 200, the intercom device can be fixed at any position of the hand or arm of the user, and the user can use the intercom device conveniently without holding the intercom device by hand; the intercom device may also conveniently function normally when the user has both hands with other equipment or needs to do something else.

One end of the elastic band 200 is connected to the first fastening member 110, and one end of the elastic band 200 may be fixedly connected to the first fastening member 110, or may be detachably connected to the first fastening member 110, for example, two holes are provided at a certain distance from one end of the elastic band 200, the end of the elastic band 200 is wrapped around the first fastening member 110, and the elastic band 200 is connected to the first fastening member 110 through a bolt and a nut and the two holes at the end of the elastic band 200.

The detachable connection of the elastic band 200 and the first fastener 110 may also be: a locking block is arranged at one end of the elastic band 200, and a limiting groove matched with the locking block is arranged on the first fastener 110. Through the cooperation of fixture block and spacing groove, can be connected the one end of elastic webbing 200 on the first fastener 110 of intercom back.

The elastic band 200 is detachably connected with the first fastener 110, so that the elastic band 200 can be conveniently installed and detached, and when the elastic band 200 is seriously worn and needs to be replaced, the elastic band 200 is detached and replaced and then connected with a new elastic band 200. It can also be easily removed when the use of the elastic band 200 is not desired.

The receiving device 120 comprises a second fastener, and the other end of the elastic band 200 is connected with the second fastener; the other end of the elastic band 200 may be fixedly attached to the second fastening member or may be detachably attached to the second fastening member. For example, two holes are provided at the other end of the elastic band 200 at a certain distance, the end of the elastic band 200 is wrapped around the second fastener, and the elastic band 200 is coupled to the second fastener through a bolt and a nut and the two holes at the end of the elastic band 200.

The detachable connection of the elastic band 200 and the second fastener may also be: the other end of the elastic belt 200 is provided with a clamping block, and the second fastener is provided with a limiting groove matched with the clamping block. Through the cooperation of fixture block and spacing groove, can connect the other end of elastic webbing 200 on the second fastener at the back of intercom equipment.

The elastic band 200 is detachably connected with the second fastener, so that the elastic band 200 can be conveniently installed and detached, and when the elastic band 200 is seriously worn and needs to be replaced, the elastic band 200 is detached and replaced and then connected with a new elastic band 200. It can also be easily removed when the use of the elastic band 200 is not desired.

Both ends of the elastic band 200 are connected to the second fastening member, and the elastic band 200 is disposed to wrap around the first fastening member 110;

or, both ends of the elastic band 200 are connected to the first fastening member 110, and the elastic band 200 is disposed around the second fastening member;

alternatively, the two ends of the elastic band 200 are connected end to end, and the elastic band 200 is wrapped between the first fastening member 110 and the second fastening member at the same time.

The benefit of this arrangement of the elastic band 200 is that it provides a greater range of elasticity and greater flexibility. When the elastic bands 200 are all on one side of the user's hand, it is equivalent to providing a range of elasticity for the elastic band 200. When the hand of the user passes through the loop structure formed by the elastic band 200, one side of the elastic band 200 is attached to the back of the intercom device, and the other side of the elastic band 200 is attached to the hand of the user, so that the elastic range of the elastic band 200 made of the same material is doubled.

Referring to fig. 3, the receiving device 120 includes a housing 121, a fixing shaft 122, and a coil spring 123; the peripheral wall of the housing 121 has an opening 124; the fixed shaft 122 is disposed inside the housing 121 and located at the center of the housing 121; one end of the coil spring 123 is fixed on the fixing shaft 122, the other end of the coil spring 123 is connected with the elastic band 200, the elastic band 200 is wound around the fixing shaft 122, and one end of the elastic band 200, which is far away from the coil spring 123, penetrates through the opening 124 of the storage device 120 and is connected with the first fastener 110, and the connection mode can be fixed connection or detachable connection.

The coil spring 123 can continuously provide a larger restoring force in a narrow space, so that the application range of the elastic band 200 is wider, and a larger elastic application range can be provided without being limited by the elasticity of the elastic band 200. The intercom is fixed on the hand or the arm, and the intercom can be fixed on some objects to be used as a movable camera, so that the use is very convenient.

One side that is close to the back of intercom equipment body 100 at elastic webbing 200 is provided with the cushion, can be the rubber cushion, and the benefit of bringing prevents that elastic webbing 200 from rubbing badly to user's the back of the hand or other positions, brings the injury, still has anti-skidding function simultaneously for it becomes more stable when not needing handheld use intercom equipment.

The body 100 of the intercom device is provided with a testimony verification module. A document reading unit for reading an identity document is provided on the front or back of the body 100, and the body 100 has a front camera and/or a rear camera for taking images of people and objects and videos. The certificate reading unit may be a Near Field Communication (NFC) module, which may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies, for example. The intercom device can display the certificate information read by the certificate reading unit on the display screen, and can determine the identity of a person by comparing the certificate information on the display screen with the actual face.

The intercom device with identity document reading unit and camera can be used as portable people's card verification equipment, the identity card information is read through the document reading unit of the intercom device, the photo of the face is shot through the front camera or the rear camera of the intercom device, the identity card information and the photo of the face are uploaded to a public security service system to be verified, and the identity of a person is determined.

The upper end of the body 100 of the intercom device is provided with an antenna and an adjusting knob for frequency modulation. An antenna is an important radio device for transmitting and receiving electromagnetic waves. In daily life, radio frequency signal power output by a radio transmitter is transmitted to an antenna through a feeder (cable) and radiated out by the antenna in the form of electromagnetic waves. After reaching the receiving location, the electromagnetic waves are received by the antenna and fed to the radio receiver by the feeder. The antennas of the handheld intercom device are commonly used by individuals, and are classified into a rubber antenna and a telescopic antenna. The rubber antenna can be divided into a quarter-wave rubber antenna and a spiral rubber antenna according to the structural form of the antenna. The adjusting knob is used for adjusting the frequency of the intercom device, the frequency modulation of the intercom device usually means that the intercom device is tuned to the same frequency, and two intercom devices can realize two-party communication only if the frequencies are the same.

The front of the intercom device body 100 is provided with a plurality of speaker holes near the lower end, and an audio component is arranged in the speaker holes to convert voice signals into digital signals or analog signals, so that digital intercom or analog intercom is realized.

The analog interphone is an analog interphone (also called a traditional interphone) designed by adopting an analog communication technology, and modulates a stored signal to the transmission frequency of the interphone.

Principle of analog interphone: the phase-locked loop and a Voltage Controlled Oscillator (VCO) generate a transmitted radio frequency carrier signal, the transmitted radio frequency carrier signal is subjected to buffering amplification, excitation amplification and power amplification to generate rated radio frequency power, the rated radio frequency power is subjected to antenna low-pass filter to inhibit harmonic components, and then the radio frequency carrier signal is transmitted through an antenna.

The receiving part of the analog interphone adopts a double-conversion superheterodyne mode, a signal input from an antenna passes through a transceiving switching circuit and a band-pass filter and then undergoes radio frequency amplification, the signal passes through the band-pass filter and enters a frequency mixing mode, and the amplified signal from the radio frequency and a first local oscillation signal from a phase-locked loop frequency synthesizer circuit are mixed at a first frequency mixer to generate a first intermediate frequency signal.

The digital interphone is designed by adopting a digital technology. The digital walkie-talkie digitizes the speech signal and transmits it in a digitally encoded form, i.e. all the modulations on the walkie-talkie transmission frequency are digital.

Principle of the digital interphone: the basic principle of the digital interphone is that analog voice is converted into digital signals, and then the digital signals are modulated to radio frequency. Since digital signals are transmitted, such devices may, of course, also directly transfer data. The digital interphone is also used for saving radio frequency spectrum, so that the digital interphone mostly uses a voice channel equivalent to occupy 6.25kHzk bandwidth, namely, the digital interphone saves half frequency compared with a common analog interphone.

The intercom device body 100 has an earphone hole, a USB interface, and a conductive sheet available for charging at a lower end thereof. When the earphone is plugged in the earphone hole of the talkback equipment, the voice information received by the talkback equipment is fed back to a user through the earphone instead of being directly externally placed by a loudspeaker of the talkback equipment, so that in some occasions with privacy or more noises or needing to be kept secret, the situation that other people hear the sound transmitted by the talkback equipment is avoided, and the noise interference of excessive external environment can also be avoided. If the earphone inserted into the earphone hole is also provided with a microphone, the intercommunication can be realized through the microphone of the earphone while the intercommunication is answered, and the convenience is improved.

The USB interface at the lower end of the intercom device body 100 can realize data transmission, such as upgrading software of the intercom device, uploading or downloading some data video files, and the like; the intercom device can also be charged through the USB interface. The conducting strip at the lower end of the intercom device body 100 is used for charging the intercom device, and the adopted mode is adopted for seat charging, the charging interface is not easy to damage in the seat charging mode, and the operation is simple and convenient.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An intercom apparatus convenient to carry, comprising:

2. The intercom device according to claim 1, wherein the housing means includes a second fastening member, one end of the elastic band is connected with the first fastening member, and the other end of the elastic band is connected with the second fastening member.

3. The intercom device according to claim 2, wherein said elastic band is disposed around said first fastener or said elastic band is disposed around said second fastener.

4. The intercom device according to claim 1, wherein said housing means includes a housing, a fixed shaft, and an elastic member; the peripheral wall of the housing has an opening; the fixed shaft is arranged in the shell and is positioned in the center of the shell; the elastic piece is arranged on the fixed shaft, one end of the elastic piece is connected with the elastic belt, the elastic belt is wound around the fixed shaft, and one end, far away from the elastic piece, of the elastic belt penetrates through the opening and is connected with the first fastener.

5. The intercom device according to claim 4, wherein the elastic member is a coil spring, one end of the coil spring is fixed to the fixed shaft, and the other end of the coil spring is connected to the elastic band.

6. The intercom device according to claim 4 or 5, wherein said elastic band is detachably connected to said first fastener.

7. The intercom device according to claim 1, wherein a side of said elastic band adjacent to a back side of said body has a cushion.

8. The intercom device according to claim 1, wherein the body has a human authentication verification module thereon.

9. The intercom device according to claim 1, wherein an antenna and an adjustment knob for frequency modulation are installed at an upper end of the body, and a plurality of speaker holes are formed at a front surface of the body near a lower end thereof.

10. The intercom device according to claim 1, wherein the lower end of the body has an earphone hole, a USB interface, and a conductive sheet available for charging.