CN209376781U - A kind of FM voice communication safety cap - Google Patents

Abstract

The utility model provides a kind of FM voice communication safety cap that can be applied to FM voice broadcast service system, in the increased FM voice communications circuit of its internal structure, by design, when needing to carry out voice broadcast service, instruction control unit receives the wireless start command signal from the broadcasting station FM by low-consumption wireless transmission module and just triggers automatically controlled delay switch closure conducting so that FM broadcast radio device and power speakers work, reduce the band electric consumption of FM broadcast radio device and loudspeaker as far as possible, in the case where same battery power supply capacity, the use working life of FM voice communications circuit can be helped to extend, the mode of different low-consumption wireless transmission modules can be distinguished by different wireless module ID simultaneously to realize the ability of FM voice signal fixed point transmission, it solves short using working life, voice fixed-point Difficult technical problem is transmitted, there is good market application prospect.

Description

A kind of FM voice communication safety cap

Technical field

The utility model relates to construction safety protection equipment technical field, in particular to a kind of FM voice communication safety cap.

Background technique

At the scene in work progress, the safety of safety cap energy effective protection construction personnel, mitigation weight significantly is to constructor The damage on member head.Safety cap usually has the structures such as cap shell, hat lining, lower cheekstrap, and some safety caps are also devised with back ferrule to increase Add wearing stability, preferably prevents from falling off.Cap shell is hemispherical, firm, smooth and have certain elasticity, hit object impact and Kinetic energy is punctured mainly to be born by cap shell.There are certain spaces between cap shell and hat lining, can buffer, disperse instantaneous impact, thus Avoid or mitigate the direct injury to head.Impact absorption performance, puncture resistance, lateral rigidity, electrical insulating property, anti-flammability are Requirement to the fundamental technology performance of safety cap.

In actual building, power construction environment, construction personnel disperses on construction ground everywhere, decision-making management personnel couple Construction personnel carries out work communication and construction site is needed to link up face to face, and construction site area is larger, and it is past to find construction personnel It is past to waste a large amount of time.It is conveyed in order to facilitate remote information, task is distributed with emergency notification etc., some construction sites By FM(Frequency Modulation, frequency modulation broadcasting) voice broadcast service system, by the broadcasting station FM to be laid in construction field High-power FM broadcast loudspeaker casting voice in ground is, it can be achieved that the remote task of construction worker distributes and odd-job times Verbal announcement when business adjustment improves communication efficiency, reduces manpower and time cost, it can also be used to fortuitous event occurring Shi Jinhang timely verbal announcement avoids information interchange from causing serious personnel's contingency not in time.

But still there are many problems in FM voice broadcast service system used in current construction site, for example, high-power FM is wide Loudspeaker is broadcast since power consumption is big, need to rely on wired power supply, it is therefore desirable to loudspeaker be broadcasted to high-power FM in construction early period Carry out route when participating in the cintest lay, and construct after the completion of need to remove, add additional working procedure, and if construction site laying If main line cable can also cause broadcast system failure because constructing operation is damaged accidentally；Secondly, passing through FM voice broadcast service system to finger When determining the verbal announcements such as construction personnel carries out information reception and registration, task distributes, if specified construction personnel's distance FM broadcasts loudspeaker It could not hear farther out, then still need to rely on other construction personnel and convey, still remain deficiency in communication efficiency, It is difficult to really effective realization voice fixed-point (i.e. designated person) transmission.

It is directed to these problems, it is contemplated that construction personnel is both needed to safe wearing cap and constructs, and it can be considered to will pacify Full cap is added FM broadcast loudspeaker on safety cap, is constituted as FM voice broadcast service broadcast carrier in conjunction with original broadcasting station FM FM voice broadcast service system uses.However the new problem that such mentality of designing faces several respects again needs to solve: firstly, wide in FM Broadcasting mainly includes FM broadcast radio device and loudspeaker in speaker circuit, even if the usage mode for being directed to safety cap reduces loudspeaking Device power, but the work power consumption of FM broadcast radio device or bigger, and the internal structural space of safety cap is limited, does not have Standby enough spaces are laid out high capacity cell to support (holding long lasting for stand-by operation for FM broadcast radio device and loudspeaker Measure excessive battery and be laid in the increased weight of institute in safety cap and also will affect wear comfort and safety), therefore how more Good guarantee is problem to be solved using working life；Secondly, FM broadcasting principle determines, what the broadcasting station FM issued Voice broadcast information can be received the broadcast loudspeaker of whole FM in range and receive casting, therefore can not targetedly control specified FM broadcast loudspeaker on the safety cap of construction personnel carries out voice broadcast, that is to say, that is still difficult to effective voice Fixed point transmission.These factors all limit and add the reality that FM broadcast loudspeaker is used for FM voice broadcast service system on safety cap Technical application.

Utility model content

Aiming at the above shortcomings existing in the prior art, the purpose of this utility model is to provide one kind can be applied to FM The FM voice communication safety cap of voice broadcast service system, is designed by improved structure, can be in same battery power supply capacity In the case where have longer using working life, can have voice fixed-point transmittability, solve it is short using working life, The difficult technical problem of voice fixed-point transmission.

To achieve the above object, the technological means that the utility model uses is:

A kind of FM voice communication safety cap, including cap shell, and it is laid on the hat lining in cap shell inside face, the cap shell and cap Between lining be equipped with FM voice communications circuit accommodating space and power capacity space, with install respectively accommodate FM voice communications circuit and Battery power circuit；The FM voice communications circuit include low-consumption wireless transmission module, instruction control unit, it is automatically controlled delay open Pass, FM broadcast radio device and loudspeaker are each device power supply in FM voice communications circuit by battery power circuit；Described instruction The command signal input terminal of controller carries out data transmission connecting with low-consumption wireless transmission module, the control letter of instruction control unit The trigger control end of number output end and automatically controlled delay switch carries out electric signal connection, and the automatically controlled delay switch is connected on FM broadcast On the current supply circuit of radio reception device and loudspeaker, the voice signal output end and loudspeaker of the FM broadcast radio device carry out electric signal Connection.

In above-mentioned FM voice communication safety cap, preferably, it is equipped at the front of the cap shell or side locations Loudspeaking cover, the loudspeaker are mounted between cap shell and hat lining at corresponding to the spatial position of the loudspeaking cover.

In above-mentioned FM voice communication safety cap, preferably, the cap shell is equipped with from loudspeaking cover top Reinforcement rib cover outside across loudspeaking and be connected at loudspeaking cover lower edge position is extended downwardly at marginal position.

In above-mentioned FM voice communication safety cap, preferably, have at the front of the cap shell or side locations Outwardly convex and the wale by extending downward into cap shell edge at the top of cap shell, in the wale inside in cap shell Sky and the interval formation protuberance space between hat lining, the loudspeaking is provide on the side wall for being placed in the wale, described to raise Sound device is mounted in the protuberance space and corresponds at the position of the loudspeaking cover.

In above-mentioned FM voice communication safety cap, preferably, whole devices in the FM voice communications circuit It accommodates and is mounted in the protuberance space.

In above-mentioned FM voice communication safety cap, preferably, the loudspeaking cover is offer loud-speaker opening stainless The hard plate body of steel material or aluminum alloy material, and loudspeaking cover is mounted in cap shell by what integral circumferential edge was embedded in.

In above-mentioned FM voice communication safety cap, preferably, the low-consumption wireless transmission module is low-power consumption Bluetooth communication or low-power consumption wide area network communication module.

It further include low function in the FM voice communications circuit as improvement project in above-mentioned FM voice communication safety cap Consume Bluetooth beacon locating module, the positioning signal output end of the low-power consumption bluetooth beacon locating module and the finger of instruction control unit Signal input part is enabled to carry out data transmission connecting.

It further include air pressure in the FM voice communications circuit as improvement project in above-mentioned FM voice communication safety cap Sensor and reference gas press comparator, and the air pressure signal output end of the baroceptor is believed compared with reference gas presses comparator Number input terminal carries out data transmission connecting, and the output end of the reference gas pressure comparator and the command signal of instruction control unit input End carries out data transmission connecting.

In above-mentioned FM voice communication safety cap, preferably, the battery power circuit is electric to charge the battery Source circuit is FM voice communications circuit by battery including the charging interface, charging control circuit and battery being sequentially connected electrically In each device power supply；The access port of the charging interface is arranged towards one side direction of hat lining, and charging is corresponded on the hat lining At the position of interface have cutting formed lift piece, it is described lift piece closure when, the charging interface can be covered by the piece that lifts Lid blocks, it is described lift piece and start when, the charging interface, which can be exposed to, to be lifted at the aperture position that piece starts.

Compared with the prior art, the utility model has the following beneficial effects:

1, the FM voice communication safety cap of the utility model in increased FM voice communications circuit, is being needed by design Instruction control unit receives the wireless starting from the broadcasting station FM by low-consumption wireless transmission module when carrying out voice broadcast service Command signal just triggers automatically controlled delay switch closure conducting so that FM broadcast radio device and power speakers work, thus for a long time Power on work of awaiting orders is only the lesser low-consumption wireless transmission module of power consumption and instruction control unit, to reduce as far as possible The band electric consumption of FM broadcast radio device and loudspeaker in the case where same battery power supply capacity can help to extend FM language The use working life of sound telecommunication circuit.

2, the FM voice communication safety cap of the utility model can be distinguished in the application by different wireless module ID Low-consumption wireless transmission module in the FM voice communications circuit of different FM voice communication safety caps carries out targetedly wireless Start command signal is transmitted and reaches only specified construction personnel and wear the FM voice of the FM voice communication safety cap used and lead to Letter circuit start receives the purpose that FM broadcasting speech message is broadcasted, and the FM voice communication safety cap is enabled to have FM language The ability of sound signal fixed point transmission, to solve the problems, such as voice fixed-point transmission.

3, the FM voice communication safety cap of the utility model can also be designed by a series of structure, guarantee FM voice While communication security cap has good voice result of broadcast, so that the cap shell of safety cap can still have both good structure Intensity guarantees that FM voice communication safety cap has good function of safety protection.

4, the FM voice communication safety cap of the utility model can also be expanded by the technology to FM voice communications circuit structure Exhibition provides hardware configuration basis for danger zone audio alert, high altitude operation phonetic warning function etc. based on positioning, is FM language Sound communication security cap has more perfect application function and provides advantageous structure-design technique condition.

5, the FM voice communication safety cap of the utility model can be applied to FM voice broadcast service system, help to reduce its skill Art comes into operation cost, and solves technical problem short using working life, that voice fixed-point transmission is difficult, has the application of good market Prospect.

Detailed description of the invention

Fig. 1 is the modular structure schematic diagram of FM voice communications circuit in the utility model FM voice communication safety cap.

Fig. 2 is a kind of design structure schematic diagram of embodiment of the utility model FM voice communication safety cap.

Fig. 3 is the design structure schematic diagram of the another embodiment of the utility model FM voice communication safety cap.

Specific embodiment

With reference to the accompanying drawings and detailed description to the utility model two-chamber FM voice communication helmet structure carry out into The explanation of one step.

As shown in Figure 1 to Figure 3, the FM voice communication safety cap of the utility model, is subject on the basis of helmet structure Curve guide impeller and obtain, including cap shell, and be laid on the hat lining in cap shell inside face, pacify in the FM voice communication of the utility model In full cap, FM voice communications circuit accommodating space and power capacity space are specially devised between cap shell and hat lining, with respectively Installation accommodates FM voice communications circuit and battery power circuit；Fig. 1 shows the modular structure of FM voice communications circuit, the FM Voice communications circuit includes low-consumption wireless transmission module, instruction control unit, automatically controlled delay switch K1, FM broadcast radio device and raises Sound device is each device power supply in FM voice communications circuit by battery power circuit；The command signal of described instruction controller is defeated Enter end to carry out data transmission connecting with low-consumption wireless transmission module, the control signal output of instruction control unit and automatically controlled delay The trigger control end of switch K1 carries out electric signal connection, and the automatically controlled delay switch K1 is connected on FM broadcast radio device and loudspeaker Current supply circuit on, the voice signal output end of the FM broadcast radio device and loudspeaker carry out electric signal connection.

In the FM voice communications circuit of the utility model FM voice communication safety cap, in addition to adding FM broadcast radio device and raising Sound device is provided with low-consumption wireless transmission module, instruction control unit and automatically controlled delay switch also directed to property, automatically controlled delay is opened Pass be connected on the current supply circuit of FM broadcast radio device and loudspeaker, the predetermined time delay of automatically controlled delay switch can choose for Meet the time of single voice broadcast service casting, such as delay 10 seconds, 15 seconds, 20 seconds etc., the trigger control end of automatically controlled delay switch Electric signal is connected to the control signal output of instruction control unit, and the command signal input terminal of instruction control unit is and low-power consumption Wireless transport module carries out data transmission connecting.It designs through this structure, under normal conditions, automatically controlled delay switch, which is in, to be disconnected State, the current supply circuit of FM broadcast radio device and loudspeaker keeps off state at this time, and FM broadcast radio device and loudspeaker are not Live line work；When being broadcast the message by the broadcasting station FM to cloth, it need to only synchronize or additional sending one in advance can be by low function The start command signal that consumption wireless transport module receives, instruction control unit receive starting by low-consumption wireless transmission module After command signal, starting electric signal triggering control delay switch closure conducting just is exported to the trigger control end of automatically controlled delay switch, So that the conducting power supply of the current supply circuit of FM broadcast radio device and loudspeaker, FM broadcast radio device starts to work and receives FM broadcast language Sound message and output give loudspeaker to carry out voice broadcasting, and disconnect FM automatically after the delay time of automatically controlled delay switch reaches The current supply circuit of broadcast radio device and loudspeaker, so that FM broadcast radio device and loudspeaker come back to non-charged state.Thus Since, in FM voice communications circuit, power on work of awaiting orders for a long time is only the lesser low-consumption wireless transmission mould of power consumption Block and instruction control unit, and pass through when no FM broadcasting speech message needs to receive, and receiving FM broadcasting speech message After the delay time of automatically controlled delay switch, FM broadcast radio device and loudspeaker are in non-charged state, are only receiving broadcast Live line work in the short time period that speech message plays out, so as to reduce FM broadcast radio device and loudspeaker as far as possible Band electric consumption can help to extend the use work longevity of FM voice communications circuit in the case where same battery power supply capacity Life.

In addition to this, the FM voice communication safety cap of the utility model is also equipped with the technological merit of another aspect, in its FM In voice communications circuit, due to needing instruction control unit to receive the nothing from the broadcasting station FM by low-consumption wireless transmission module Line start command signal just triggers automatically controlled delay switch closure conducting so that FM broadcast radio device and power speakers work, therefore Can design through different wireless module ID(Identification, identity code) distinguish different FM voice communications Low-consumption wireless transmission module in the FM voice communications circuit of safety cap, so as to by corresponding to specified wireless module ID Low-consumption wireless transmission module send the mode of wireless start command signal so that only specified construction personnel wears use The FM voice communications circuit starting of FM voice communication safety cap receive FM broadcasting speech message and broadcasted, therefore enable to The FM voice communication safety cap has the ability of FM voice signal fixed point transmission, to solve the problems, such as voice fixed-point transmission.

It should be noted that in the FM voice communications circuit of the utility model FM voice communication safety cap, although instruction control Device processed has been related to needing being exported according to the start command signal that receives received to the trigger control end of automatically controlled delay switch Start the control operation of electric signal, but today highly developed in electronic technology, design controller is according to an instruction output one The processing operation of a electric control signal has been the non-control method for often occurring maturation, for its specific implementation, this field skill Art personnel can load this function that command control program realizes instruction control unit by micro-chip processors such as single-chip microcontrollers completely Can, technology realizes the improvement not being related to method.And low-consumption wireless transmission module can choose and be led to using low-power consumption bluetooth Believe module or low-power consumption wide area network (Low-Power Wide-Area Network, i.e. LPWAN) communication module, low-power consumption The technology maturation of bluetooth communication and transmission is low in energy consumption, although low-power consumption wide area network communication module is novel low-power consumption Communication technology module, but can use the realizations such as LoRa technology remote, low-power consumption, multinode data interaction, pass through Using the wireless communication module of these low-power consumption, stable and low-power consumption wireless data transmission is helped to realize, is preferably reduced Energy consumption extends the work service life of FM voice communication safety cap.In addition, automatically controlled delay switch, FM broadcast radio device and loudspeaking Device, be all be widely used in electronic technology field, the electronic device of technology maturation, commercially available can obtain, therefore no longer go to live in the household of one's in-laws on getting married one by one It states.

In the FM voice communication safety cap of the utility model, the shadow of the placement position of loudspeaker to its voice result of broadcast It rings, and on the other hand problem in need of consideration.As preferred design mode, the front in cap shell or side locations can be designed Place is equipped with loudspeaking cover, and loudspeaker is mounted between cap shell and hat lining at corresponding to the spatial position of the loudspeaking cover.With in this way Layout designs mode as preferred the reason is that, the more preferable overseas publicity of sound field in view of ensuring loudspeaker, needed in cap shell Loudspeaking cover structure is set, and for construction personnel, sound field transmits more easily from the front or behind of safety cap wearer Voice messaging is not heard (because the auricle of people is towards in front of side).

And simultaneously, it is contemplated that increase the structure of loudspeaking cover on safety helmet shell and raise up the structure of acoustic shell part for cap shell Intensity may cause certain influence, therefore consider from safety of structure angle, can be designed to deal with using some reinforced structures This problem.For example, as shown in Fig. 2, the local location that loudspeaking cover 2 can be arranged in cap shell 1 increases the structure for reinforcing rib 3 Carry out reinforcement protection, reinforce rib 3 can design from state be located at 2 top edge position of loudspeaking cover in cap shell 1 extend downwardly across It crosses 2 outside of loudspeaking cover and is connected at 2 lower edge position of loudspeaking cover, the quantity for reinforcing rib 3 can be set one or more, It is crossed on 2 outside of loudspeaking cover due to reinforcing rib 3, if ribs when the local location that loudspeaking cover 3 is arranged in cap shell 1 is hit The then first stress of item 3, to play the role of the structural defence to the weaker position of loudspeaking cover regional structure intensity；Here Fig. 2 shows It is the front mounting arrangements loudspeaking cover of cap shell and the structural schematic diagram for reinforcing rib is set；Simultaneously as reinforcing rib 3 is from raising It extends downwardly at 2 top edge position of acoustic shell across the outside of loudspeaking cover 2 and as being connected at 2 top edge position of loudspeaking cover It is vertically arranged structure, 2 position of loudspeaking cover fallen in cap shell under falling rocks of top etc. can be reinforced rib 3 and stop or flick, from And the safeguard protection reinforced to safety cap wearer acts on, and guarantees that FM voice communication safety cap has good security protection function Energy.In another example as shown in figure 3, can design at the front or side locations of cap shell 1 has outwardly convex and by the top of cap shell The wale 4 at cap shell edge is extended downward into, 4 inner hollow of wale in cap shell 1 and is spaced between hat lining Protuberance space is formed, loudspeaking cover 2 can be with design arrangement on the side wall of wale 4, and the side wall of wale 4 refers to Roof (i.e. the highest bump of wale) two sides of wale extend downwardly and are connected to wale periphery Cap shell on wall portions, and loudspeaker be mounted on it is described protuberance space in and corresponding to the loudspeaking cover 2 position at；This In Fig. 3 show that the front of cap shell increases wale and forms protuberance space and in the side of wale in inside The structural schematic diagram of mounting arrangements loudspeaking cover on wall.Wale is designed in cap shell, can be not only FM voice communication electricity The devices such as the loudspeaker in road provide accommodating space, while ridge structure have structural strengthening effect, and the wale by Cap shell edge is extended downward at the top of cap shell, and loudspeaking is provide on the side wall for being placed in wale, falling rocks of top etc. falls It is not easy to directly impinge the position of loudspeaking cover on to cap shell, to play the knot to the weaker position of loudspeaking cover regional structure intensity Structure protective effect, and wale is formed when reinforcement structure is fallen on wale under falling rocks etc. and is also easier to by bullet It opens, so that the safeguard protection reinforced to safety cap wearer acts on, it is good preferably to guarantee that FM voice communication safety cap has Function of safety protection；Moreover, it is spaced and forms due to the wale hollow structure inside in cap shell and between hat lining Space is swelled, therefore whole devices in FM voice communications circuit can be designed and accommodate to be mounted on and swelled in space, or even electricity Pond power circuit can also be designed all to accommodate and is mounted in the protuberance space, solve the problems, such as circuit structure space layout. Certainly, consider from the Structural Strength Design angle of loudspeaking cover itself, loudspeaking can be provide with and be calculated as offering the stainless of loud-speaker opening The hard plate body of steel material or aluminum alloy material, and loudspeaking cover is mounted in cap shell by what integral circumferential edge was embedded in, this Sample advantageously ensures that the mechanical strength on itself material of loudspeaking cover and mounting structure.

For the utility model FM voice communication safety cap is using safe and convenience, battery power circuit is set Meter is also important on one side.For mobile ease of use and technical maturity comprehensive consideration, battery power circuit is excellent Choosing uses battery charging power source circuit, including the charging interface, charging control circuit and battery being sequentially connected electrically, battery The technical pattern of charging power source circuit is quite mature, is no longer described in detail, thus uses battery for FM voice communications circuit In each device power supply；Meanwhile design method as one preferred, the access of the charging interface of battery charging power source circuit Mouth can be designed to be arranged towards one side direction of hat lining, while being designed to have at the position for corresponding to charging interface on hat lining and being cut shape At lift piece, when lifting piece closure, charging interface can be lifted piece covering and blocked by described, and it is described lift piece and start when, charging Interface, which can be exposed to, to be lifted at the aperture position that piece starts.Thus design charging interface be located at safety cap liner side simultaneously including On the one hand lining can carry out electric isolution protection to charging interface by lifting chip architecture in this way using lifting chip architecture covering or exposing And it is convenient to use, piece access charging interface just, which is raised, from interior lining when using without wearing charges, structure design It is relatively reasonable, it on the other hand also avoids in cap shell additionally causing the opening design of charging interface strong to cap shell structure The destruction of degree is more advantageous to the structural safety performance for keeping safety helmet shell.

In addition, the technology as the utility model FM voice communication safety cap extends, it can also be in its FM voice communication electricity Design low-power consumption bluetooth beacon locating module, the positioning signal output of low-power consumption bluetooth beacon locating module are further increased in road End carries out data transmission connecting with the command signal input terminal of instruction control unit.Low-power consumption bluetooth beacon locating module is a kind of skill Art is mature, using more widely based on the positioning devices of bluetooth technology with low power consumption, in the utility model FM voice communication safety Low-power consumption bluetooth beacon locating module is added in the FM voice communications circuit of cap, has the environment of Bluetooth communication base station in outside In, so that it may bluetooth positioning and communicating is carried out by Bluetooth base. station three-point fix technology and low-power consumption bluetooth beacon locating module, it is right The position of FM voice communication safety cap is positioned, and positioning signal is sent to low-power consumption bluetooth beacon locating module；And Positioning function whereby, the positioning signal output end of low-power consumption bluetooth beacon locating module, which retransmits positioning signal to instruction, to be controlled Device, then can further design instruction control unit recognize when being currently located at danger zone triggered by electric signal it is automatically controlled The conducting of delay switch closure executes the casting of phonetic warning so that FM broadcast radio device and power speakers work.Therefore, the skill The FM voice communications circuit structure design of art extension, can provide hardware configuration base for the danger zone audio alert based on positioning Plinth.

Another technology as the utility model FM voice communication safety cap extends, can also be in its FM voice communication electricity Design baroceptor and reference gas pressure comparator, the air pressure signal output end and benchmark of baroceptor are further increased in road The comparison signal input terminal of air pressure comparator carries out data transmission connecting, and the output end of reference gas pressure comparator and instruction control The command signal input terminal of device carries out data transmission connecting.Baroceptor is a kind of technology maturation, using relatively extensive more logical The sensor crossed barometric surveying and embody elevational position height can be in reference gas pressure ratio in combination with reference gas pressure comparator Preset the air pressure a reference value for indicating safe height above sea level compared with device, if the output of baroceptor sensing to reference gas pressure ratio compared with The atmospheric pressure value of the comparison signal input terminal of device is less than the air pressure a reference value, and reference gas presses the output end of comparator that can then control to instruction Device processed exports comparison result signal, at this time it may be considered that the construction personnel for wearing FM voice communication safety cap is in than relatively hazardous High-altitude carry out construction operation, then can further design instruction control unit when receiving the comparison result signal lead to It crosses electric signal and triggers automatically controlled delay switch closure conducting so that FM broadcast radio device and power speakers work, execute high altitude operation The casting of security warning voice.Therefore, the FM voice communications circuit structure design of technology extension, can be high altitude operation voice Alarm function provides hardware configuration basis.

In conclusion the FM voice communication safety cap of the utility model, in increased FM voice communications circuit, by setting Meter instruction control unit when needing to carry out voice broadcast service by low-consumption wireless transmission module receives the nothing from the broadcasting station FM Line start command signal just triggers the conducting of automatically controlled delay switch closure so that FM broadcast radio device and power speakers work, thus Power on work of awaiting orders for a long time is only the lesser low-consumption wireless transmission module of power consumption and instruction control unit, thus as far as possible The band electric consumption for reducing FM broadcast radio device and loudspeaker can help to prolong in the case where same battery power supply capacity The use working life of long FM voice communications circuit, and it is logical that different FM voices can be distinguished by different wireless module ID Believe that the low-consumption wireless transmission module in the FM voice communications circuit of safety cap carries out targetedly wireless start command signal and passes It is defeated and reach the FM voice communications circuit starting reception that only specified construction personnel wears the FM voice communication safety cap used The purpose that FM broadcasting speech message is broadcasted enables to the FM voice communication safety cap to have the fixed point transmission of FM voice signal Ability, thus solve the problems, such as voice fixed-point transmission；Additionally it is possible to design by a series of structure, guaranteeing FM Voice communication safety cap have good voice result of broadcast while so that the cap shell of safety cap can still have both it is good Structural strength guarantees that FM voice communication safety cap has good function of safety protection；Also, it can also be by logical to FM voice The technology extension for believing circuit structure, provides for danger zone audio alert, high altitude operation phonetic warning function etc. based on positioning Hardware configuration basis, has more perfect application function for FM voice communication safety cap and provides advantageous structure-design technique item Part.Therefore, the FM voice communication safety cap of the utility model can be applied to FM voice broadcast service system, help to reduce its technology Come into operation cost, and solves technical problem short using working life, that voice fixed-point transmission is difficult, before having the application of good market Scape.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to embodiment, those skilled in the art should understand that, it can be practical to this Novel technical solution is modified or replaced equivalently, without departing from the objective and range of technical solutions of the utility model, It should all cover in the scope of the claims of the utility model.

Claims (10)

1. a kind of FM voice communication safety cap, including cap shell, and it is laid on the hat lining in cap shell inside face, which is characterized in that institute It states and is equipped with FM voice communications circuit accommodating space and power capacity space between cap shell and hat lining, accommodate FM voice to install respectively Telecommunication circuit and battery power circuit；The FM voice communications circuit includes low-consumption wireless transmission module, instruction control unit, electricity Delay switch, FM broadcast radio device and loudspeaker are controlled, is each device power supply in FM voice communications circuit by battery power circuit； The command signal input terminal of described instruction controller carries out data transmission connecting with low-consumption wireless transmission module, instruction control unit Control signal output and the trigger control end of automatically controlled delay switch carry out electric signal connection, the automatically controlled delay switch series connection On the current supply circuit of FM broadcast radio device and loudspeaker, the voice signal output end and loudspeaker of the FM broadcast radio device into Horizontal electrical signal connection.

2. FM voice communication safety cap according to claim 1, which is characterized in that the front of the cap shell or side locations Place is equipped with loudspeaking cover, and the loudspeaker is mounted between cap shell and hat lining at corresponding to the spatial position of the loudspeaking cover.

3. FM voice communication safety cap according to claim 2, which is characterized in that the cap shell is equipped with from the loudspeaking Reinforcement rib cover outside across loudspeaking and be connected at loudspeaking cover lower edge position is extended downwardly at cover top edge position.

4. FM voice communication safety cap according to claim 2, which is characterized in that the front of the cap shell or side locations Locate that there is outwardly convex and the wale by extending downward into cap shell edge at the top of cap shell, the wale in cap shell Inner hollow and interval forms protuberance space between hat lining, the loudspeaking is provide on the side wall for being placed in the wale, The loudspeaker is mounted in the protuberance space and corresponds at the position of the loudspeaking cover.

5. FM voice communication safety cap according to claim 4, which is characterized in that complete in the FM voice communications circuit Portion's device, which accommodates, to be mounted in the protuberance space.

6. according to FM voice communication safety cap described in claim 2,3 or 4, which is characterized in that the loudspeaking cover is to offer The stainless steel material of loud-speaker opening or the hard plate body of aluminum alloy material, and the installation that loudspeaking cover is embedded in by integral circumferential edge In cap shell.

7. FM voice communication safety cap according to claim 1, which is characterized in that the low-consumption wireless transmission module is Low-power consumption bluetooth communication module or low-power consumption wide area network communication module.

8. FM voice communication safety cap according to claim 1, which is characterized in that also wrapped in the FM voice communications circuit Low-power consumption bluetooth beacon locating module is included, the positioning signal output end of the low-power consumption bluetooth beacon locating module and instruction control The command signal input terminal of device carries out data transmission connecting.

9. FM voice communication safety cap according to claim 1, which is characterized in that also wrapped in the FM voice communications circuit Baroceptor and reference gas pressure comparator are included, air pressure signal output end and reference gas the pressure comparator of the baroceptor Comparison signal input terminal carries out data transmission connecting, and the instruction of the output end and instruction control unit of the reference gas pressure comparator is believed Number input terminal carries out data transmission connecting.

10. FM voice communication safety cap according to claim 1, which is characterized in that the battery power circuit is electric power storage Pond charging power source circuit is FM voice by battery including the charging interface, charging control circuit and battery being sequentially connected electrically Each device power supply in telecommunication circuit；The access port of the charging interface is arranged towards one side direction of hat lining, right on the hat lining Should at the position of charging interface have cutting formed lift piece, it is described lift piece closure when, the charging interface can be by institute State and lift piece covering and block, it is described lift piece and start when, the charging interface, which can be exposed to, to be lifted at the aperture position that piece starts.