CN207399450U - Outdoor microphone - Google Patents

Abstract

The utility model discloses an outdoor microphone, which aims to solve the problem that the existing outdoor microphone housing is not easy to disassemble and cause inconvenience to maintenance. The preamplifier, the microphone arranged on the upper end of the preamplifier, and the outer casing that is arranged on the outside of the preamplifier and the microphone, the outer casing includes a lower bracket fixing platform, an upper bracket fixing platform arranged above the lower bracket fixing platform, and a set A number of bracket bars between the upper bracket fixing platform and the lower bracket fixing platform, the poles are provided with a mounting platform, the lower bracket fixing platform is in the shape of a hollow column, and the outer wall surface of the mounting platform and the inner wall of the lower bracket fixing platform Engaging threads are respectively arranged on the wall surfaces. The outdoor microphone of the utility model is convenient to disassemble and replace the parts of the shell, so as to facilitate the user's inspection and maintenance, thereby ensuring the protection effect on the internal devices.

Description

outdoor microphone

technical field

The utility model relates to noise detection equipment, more specifically, it relates to an outdoor microphone.

Background technique

A microphone is the scientific name of a microphone and is an energy conversion device that converts sound signals into electrical signals.

At present, airports, highway transportation hubs, communities where people gather, and various outdoor public places are often plagued by noise, and the characteristics of outdoor noise have increasingly become important indicators for urban development and construction, environmental protection, and noise control and governance. Recording the noise status of a certain place for a long time has become a necessary means for environmental monitoring of the area.

Although ordinary measurement microphones meet the requirements of noise monitoring, they cannot work stably for a long time outdoors due to the influence of natural conditions such as wind, rain, and snow.

The Chinese patent with the publication number CN201294610Y discloses an outdoor microphone. Its technical essentials are: it includes a microphone preamplifier, a microphone, a bracket and a protective cover, wherein the protective cover includes an umbrella-shaped ring, and the The bottom of the umbrella-shaped ring has a vertical sound inlet, the microphone preamplifier is installed in the bracket, the microphone is connected to the microphone preamplifier, and the microphone is connected to the microphone preamplifier. Installing the protective cover such that the microphone is located within the protective cover.

The above solution solves the problem that ordinary microphones cannot work stably for a long time outdoors due to weather factors. However, in actual use, the actual service life of the components of the shell of the outdoor microphone is still low due to environmental factors, and regular maintenance and replacement are required. In order to ensure that the shell can protect the internal components, the shell of the above solution is designed with emphasis on the fixation between the components and the protection of the internal components, which is difficult to disassemble and replace.

Therefore, a new solution needs to be proposed to solve this problem.

Utility model content

In view of the deficiencies in the prior art, the purpose of the utility model is to provide an outdoor microphone, which is convenient for users to disassemble and replace the shell, so as to ensure the protection effect on the internal components of the shell.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: an outdoor microphone, comprising a pole, a preamplifier arranged on the pole, a microphone arranged on the upper end of the preamplifier and a cover arranged on the preamplifier and the outer casing on the outside of the microphone, the outer casing is covered with a windshield, and the outer casing includes a lower bracket fixing platform, an upper bracket fixing platform arranged above the lower bracket fixing platform, and an upper bracket fixing platform and a lower bracket fixing platform. Several bracket bars between the platforms, the bracket bars are located on the outside of the preamplifier and the microphone, the pole is provided with a column-shaped installation platform, the lower bracket fixing platform is a hollow column, and the outer wall of the installation platform Screw threads engaged with the inner wall surface of the lower bracket fixing platform are respectively arranged, and the diameter of the inner cavity of the lower bracket fixing platform is larger than the diameter of the preamplifier and the microphone.

By adopting the above technical scheme, if the user finds that the outer casing is damaged during maintenance, the lower bracket fixing platform can be directly rotated to disassemble the outer casing from the installation platform for replacement, thereby ensuring the protection effect on the internal components; The diameter of the inner cavity of the bracket fixing table is larger than that of the preamplifier and the microphone, so the preamplifier and the microphone will not affect the disassembly of the outer shell.

The utility model is further configured as follows: a positioning ring is arranged on the installation platform, and the positioning ring is arranged along the outer wall surface of the installation platform, and is located under the fixing platform of the lower bracket.

By adopting the above-mentioned technical solution, it is possible to prevent the user from over-rotating when installing the lower bracket fixing platform, resulting in poor connection effect between the lower bracket fixing platform and the installation platform.

The utility model is further configured as follows: the lower bracket fixing platform is provided with a connecting ring along the outer wall surface, the connecting ring is provided with a number of slots matching the lower ends of the bracket bars, and the bracket bars are snapped into the slots, The upper bracket fixing table fixes the bracket bars with the same structure.

By adopting the above-mentioned technical solution, the user can connect the bracket bar to the card slot, and be fixedly connected between the lower bracket fixing platform and the upper bracket fixing platform; The bracket bar can be easily disassembled for its replacement and maintenance.

The utility model is further configured as follows: the lower end of the support bar extends below the card slot, and the ends of several of the support bars extending below the card slot are perforated with iron wires, and the two ends of the iron wire are twisted to each other.

By adopting the above technical solution, the user can further fix the support bar with the iron wire to ensure its firmness; at the same time, because the two ends of the iron wire are fixed by twisting each other, it does not affect the disassembly of the support bar.

The utility model is further configured as: a bracket bar positioning ring is arranged on the lower bracket fixing platform, and the bracket bar positioning ring is arranged along the outer wall surface of the lower bracket fixing platform, and is located below the bracket bar.

By adopting the above technical solution, the support bar positioning ring can be used to prevent the support bar from sliding down and ensure the use effect of the support bar.

The utility model is further configured as follows: the upper cover of the microphone is provided with a microphone protection cover, the microphone protection cover is connected to the lower bracket fixing platform, and a plurality of first sound transmission grooves are opened on the microphone protection cover, the first The sound transmission groove communicates with the microphone to protect the inside and outside.

By adopting the above technical solution, the microphone can be further protected by the microphone protective cover; at the same time, because the first sound transmission groove is provided, it will not affect the detection noise received by the microphone.

The utility model is further configured as: the lower bracket fixing platform and the microphone protective cover are detachably connected.

By adopting the above technical solution, the protective cover of the microphone can be disassembled to maintain the microphone when necessary.

The utility model is further configured as follows: the upper cover of the microphone protective cover is provided with a waterproof cover, and the waterproof cover is detachably connected with the microphone protective cover.

By adopting the above technical solution, the waterproof cover can be used to block rainwater, preventing rainwater from entering the microphone protective cover from the first sound transmission groove and damaging the microphone.

The utility model is further configured as follows: the waterproof cover is provided with a first fixing bolt, the waterproof cover is connected with the microphone protective cover through the first fixing bolt, and an insulating sheet is arranged between the first fixing bolt and the microphone protective cover .

By adopting the above technical solution, it is possible to prevent the static electricity on the first fixing bolt from being transmitted to the microphone protective cover, thereby avoiding the impact on the microphone.

To sum up, the utility model has the following beneficial effects: the outer casing is screwed to the installation platform provided on the pole through the lower bracket fixing platform, so that the user can disassemble the outer casing for replacement when it is damaged, thereby ensuring The protective effect of the outer shell; the outer shell includes a lower bracket fixing platform, an upper bracket fixing platform and a bracket bar arranged between the two. Bracket fixing table, so that the bracket bar can be disassembled for replacement when necessary.

Description of drawings

Fig. 1 is a structural schematic diagram one of the utility model, which is used to show the overall structure;

Fig. 2 is the structure schematic diagram two of the present utility model, in order to show the structure of the present utility model after removing the windshield;

Fig. 3 is a structural schematic diagram 3 of the present utility model, which is mainly used to show the connection structure between the components;

Fig. 4 is a structural schematic diagram four of the utility model, which is used to show the connecting structure of the microphone protective cover and the waterproof cover;

FIG. 5 is an enlarged schematic view of part A of FIG. 3 , which is used to illustrate the connection structure between the bracket bar and the lower bracket fixing platform.

In the figure: 1, pole; 11, installation platform; 111, positioning ring; 2, preamplifier; 21, microphone; 22, microphone protective cover; 221, first sound transmission groove; 222, installation hole; 3, waterproof 32, the first fixing bolt; 33, the nut; 34, the second sound transmission slot; 35, the insulating sheet; 4, the outer shell; 41, the lower bracket fixing platform; 42, the bracket bar; 43, the upper bracket fixing platform; 51. Connecting ring; 52. Card slot; 53. Iron wire; 54. Positioning ring for bracket bar; 6. Bird thorn; 7. Windproof cover.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is described in detail.

The outdoor microphone, with reference to Fig. 1 and Fig. 3, includes a pole 1, which is columnar and used for supporting. When in use, the utility model can be placed in a suitable position through the pole 1 to perform noise detection. . A mounting table 11 is integrally formed on the upper end of the pole 1. The side projection of the mounting table 11 is an inverted T shape. A preamplifier 2 is installed on the top of the mounting table 11. The preamplifier 2 is fixedly connected to the mounting table 11 by bolts. surface and extend vertically upwards. A microphone 21 is installed on the upper end of the preamplifier 2, and the microphone 21 is electrically connected to the inside of the preamplifier 2 to capture and detect noise.

Referring to Fig. 3 and Fig. 4, the upper end of the preamplifier 2 is provided with a microphone protective cover 22 for protecting the microphone 21 from damage; Opening structure; the inner wall surface of the microphone protective cover 22 and the upper end of the preamplifier 2 are respectively integrally formed with engaging threads, and the microphone protective cover 22 is threadedly connected to the preamplifier 2 for disassembly when necessary.

A plurality of first sound transmission grooves 221 are uniformly opened on the upper part of the microphone protection cover 22 , and the setting of the first sound transmission grooves 221 can ensure that the sound signal will not be hindered from entering the inside of the microphone protection cover 22 to ensure the use effect of the microphone 21 .

Referring to Fig. 2 and Fig. 4, waterproof cover 3 is provided with above microphone protective cover 22 and is used for preventing rainwater from entering microphone protective cover 22 from first sound transmission groove 221 and damaging microphone 21, and waterproof cover 3 is an inverted bowl shape, is used for The upper part of the microphone protective cover 22 is completely covered; the upper surface of the microphone protective cover 22 is provided with a mounting hole 222, and the mounting hole 222 vertically runs through the microphone protective cover 22; the first fixing bolt 32 is set in the microphone protective cover 22, and the first fixing bolt 32 vertically passes through the microphone protective cover 22 and the waterproof cover 3 until the waterproof cover 3 is extended, and is fixed by setting corresponding nuts 33 .

Since the first fixing bolt 32 is vertical and extends upwards, it is relatively easy to absorb free electrons and there is static electricity. An insulating sheet 35 is arranged between the first fixing bolt 32 and the microphone protective cover 22. The insulating sheet 35 is hollow and leads to a T-shaped stage. Body, sleeved on the first fixing bolt 32, avoiding the contact between the first fixing bolt 32 and the microphone protective cover 22, so as to avoid the static electricity absorbed on the first fixing bolt 32 from being transmitted to the microphone protective cover 22, affecting the use of the utility model Effect.

A plurality of second sound transmission grooves 34 are uniformly opened on the lower edge of the waterproof cover 3, and the setting of the second sound transmission grooves 34 can prevent the waterproof cover 3 from blocking the transmission of sound signals and affect the use effect.

Referring to 2, in order to protect the preamplifier 2 and the microphone 21 as a whole, an outer casing 4 is arranged on the pole 1, and the outer casing 4 includes a lower bracket fixing platform 41 adapted to the installation platform 11, and the lower bracket fixing platform 41 It is hollow column-shaped; on the outside of the mounting table 11 and the inner wall surface of the lower bracket fixing table 41, there are integrally formed threads to be engaged, and the lower bracket fixing table 41 is threadedly connected to the mounting table 11.

A positioning ring 111 is integrally formed on the lower edge of the mounting table 11, and the positioning ring 111 is arranged around the outer wall of the mounting table 11 to prevent the lower bracket fixing table 41 from over-rotating and affecting the screw connection effect.

With reference to Fig. 2 and Fig. 5, on the lower bracket fixing platform 41, several bracket bars 42 are evenly arranged, and the bracket bars 42 are arc-shaped, and all protrude towards the outside of the lower bracket fixing platform 41 to form an oval space; The edge of the upper end of 41 is integrally formed with a connecting ring 51. The connecting ring 51 is arranged around the outer surface of the lower bracket fixing table 41. On the connecting ring 51, a number of draw-in grooves 52 matching the bracket bars 42 are evenly opened, and one end of the bracket bar 42 is clamped. In the draw-in slot 52, and extend to the draw-in slot 52 below; in a plurality of support bars 42 extending to the end of the draw-in slot 52, an iron wire 53 is pierced, and the two ends of the iron wire 53 are twisted to each other, so that the support bar 42 is fixed on the lower support. platform 41; at the same time, because it is fixed by twisting the iron wire 53, it can be disassembled quickly and conveniently when necessary. The diameter of the inner cavity of the lower bracket fixing table 41 is larger than that of the preamplifier 2 and the microphone 21 to facilitate disassembly.

An upper bracket fixing platform 43 is arranged on the upper end of the bracket bar 42 , and the upper bracket fixing platform 43 is fixedly connected to the bracket bar 42 through the same structure as the lower bracket fixing platform 41 .

On the lower bracket fixing table 41, a bracket bar positioning ring 54 is integrally formed, and the bracket bar positioning ring 54 is arranged around the outer wall surface of the lower bracket fixing table 41, and is positioned below the bracket bar 42, so as to avoid the bracket bar 42 from sliding downwards.

With reference to Fig. 1, in order to prevent birds etc. from stopping on the upper bracket fixed platform 43, which interferes with the detection noise of the utility model, a bird spine 6 is vertically arranged on the upper bracket fixed platform 43, and the bird spine 6 is fixedly connected to the upper bracket by bolts The table 43 is fixed for disassembly when necessary.

Further, a windshield 7 is sheathed on the outside of several support bars 42, and the windshield 7 can be made of nylon mesh, and there are actually several holes in the windshield 7 to ensure that the propagation of the acoustic signal will not be hindered.

When the user needs to disassemble, the user first disassembles the windshield 7 from the bracket bar 42, and then rotates the lower bracket fixing platform 41 to disassemble it from the installation platform 11. At this time, the user can overhaul the preamplifier 2 If the user needs to overhaul the microphone 21, the waterproof cover 3 can be disassembled from the microphone protective cover 22 only by turning the nut 33, and then the microphone protective cover 22 can be turned to remove the microphone protective cover 22 from the preamplifier 2; if the user needs to replace the bracket bar 42, he only needs to unscrew the iron wire 53, and the bracket bar 42 can be disassembled; if the user needs to replace the bird spine 6, he only needs to turn the bolt for fixing, and then Bird spines 6 can be removed.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (9)

1. a kind of outdoor microphone, including strut（1）, be arranged on strut（1）On preamplifier（2）, be arranged on preceding storing Big device（2）The microphone of upper end（21）And it is located at preamplifier（2）And microphone（21）The outer housing in outside（4）, institute State outer housing（4）On be arranged with hurricane globe（7）, it is characterised in that：The outer housing（4）Including lower carriage fixed station（41）, set It puts in lower carriage fixed station（41）The upper bracket fixed station of top（43）And it is arranged on upper bracket fixed station（43）And lower carriage Fixed station（41）Between several stent items（42）, the stent item（42）Positioned at preamplifier（2）And microphone（21）Outside Side, the strut（1）On be provided with the erecting bed being in the form of a column（11）, the lower carriage fixed station（41）In open column shape, and institute State erecting bed（11）Outside wall surface and lower carriage fixed station（41）The screw thread being meshed is set respectively on internal face, and the lower carriage is consolidated Determine platform（41）Intracavity diameter is more than preamplifier（2）And microphone（21）Diameter.

2. outdoor microphone according to claim 1, it is characterised in that：The erecting bed（11）On be provided with locating ring （111）, the locating ring（111）Along erecting bed（11）Outside wall surface is set, and positioned at lower carriage fixed station（41）Lower section.

3. outdoor microphone according to claim 1, it is characterised in that：The lower carriage fixed station（41）On along outside wall surface It is provided with connection ring（51）, the connection ring（51）On offer it is several with stent item（42）The card slot that lower end is mutually agreed with（52）, The stent item（42）It is connected in card slot（52）, the upper bracket fixed station（43）With identical structure fixing bracket item（42）.

4. outdoor microphone according to claim 1, it is characterised in that：The stent item（42）Lower end extends to card slot （52）Lower section, and several stent items（42）Extend to card slot（52）The end of lower section is equipped with iron wire（53）, the iron wire （53）Mutually twist joint at both ends.

5. outdoor microphone according to claim 3, it is characterised in that：The lower carriage fixed station（41）Upper setting stent Locating ring（54）, the stent locating ring（54）Along lower carriage fixed station（41）Outside wall surface is set, and positioned at stent item （42）Lower section.

6. outdoor microphone according to claim 1, it is characterised in that：The microphone（21）On be covered with microphone guarantor Shield（22）, the microphone protection grid（22）It is connected to lower carriage fixed station（41）, and the microphone protection grid（22）On Offer the several first transaudient slots（221）, the first transaudient slot（221）Connect microphone protection grid（22）It is inside and outside.

7. outdoor microphone according to claim 6, it is characterised in that：The lower carriage fixed station（41）It is protected with microphone Shield（22）It is detachably connected.

8. outdoor microphone according to claim 6, it is characterised in that：The microphone protection grid（22）On be covered with it is anti- Water cover（3）, the waterproof cover（3）With microphone protection grid（22）It is detachably connected.

9. outdoor microphone according to claim 8, it is characterised in that：The waterproof cover（3）On be provided with the first fixation Bolt（32）, the waterproof cover（3）With microphone protection grid（22）Pass through the first fixing bolt（32）Connection, described first fixes Bolt（32）And microphone protection grid（22）Between be provided with insulating trip（35）.