CN202171947U

CN202171947U - Electronic buzzer

Info

Publication number: CN202171947U
Application number: CN201120289201XU
Authority: CN
Inventors: 汤响; 叶仁杰; 孙兆岳
Original assignee: SHANGHAI NANHUA ELECTRONICS CO Ltd
Current assignee: SHANGHAI NANHUA ELECTRONICS CO Ltd
Priority date: 2011-08-10
Filing date: 2011-08-10
Publication date: 2012-03-21
Anticipated expiration: 2021-08-10

Abstract

The utility model relates to an electronic buzzer, suitable for large and medium-sized cranes as well as ships and harbour equipments in port machinery and machinery industry. The electronic buzzer is provided with an integrated housing composed of a pedestal box, a sounding cavity and an echoing cavity, the pedestal box has three enclosed surface and one opened surface, the opening surface is equipped with the sounding cavity and the echoing cavity inside, the sounding cavity is equipped with a loudspeaker, an isolated film is arranged between the sounding cavity and the echoing cavity, and the inner portion of the pedestal box is provided with a circuit board. The electronic buzzer has an integrated structure, convenient in installation and use, and being beautiful in appearance; the electronic buzzer is small in volume, saved in space and light in weight, and can be fixed on a mechanical apparatus, being strong in earthquake-proof performance; the electronic buzzer is waterproof and moistureproof, avoiding the inner members from water corrosion, and extending the service life; the electronic buzzer has a low-power and big-decibel alarming effect; and multiple alarming tones are provided for selection, satisfying different demands of users, and suitable for wide popularization and use.

Description

A kind of electronic buzzer

Technical field

The utility model relates to a kind of alarm equipment, specifically, is the electronic buzzer of a kind of large and medium-sized driving that is applicable to harbour affairs machinery, electromechanical industries and boats and ships, pier facilities.

Background technology

Flourish along with infrastructure construction; Be applied to the various main equipments in building ground, harbour affairs, boats and ships, harbour, mine etc.; Be widely used like hoisting device, heavy goods vehicle, chaser company and excavating equipment etc.; And demand is also continuing growth, and people are also increasingly high to the attention degree of its security and reliability.Application apparatus failure monitoring and automatic resist technology, people have invented all warning devices.Wherein, Because the working environment of general various big machineries or equipment is more abominable, a riot of sound, visibility is not high; Cause people's notice to be difficult to concentrate constantly; And the interchange between the staff is very inconvenience also, and therefore, the plant equipment of work need be installed usually and can be pointed out the work at present state perhaps through the cooperative multifunction electronic hummer of the coordination personnel that amplifies under this environment.

The circuit board that multifunction electronic hummer product commonly used at present all is made up of cold-reduced sheet cabinet and discrete component, Industrial Frequency Transformer etc. are formed; All drawbacks such as have that volume is big, cabinet is heavy, shock resistance is poor, dustproof and waterproof, aesthetic property be not bad, thus cause installing and using inconvenient and serviceable life not long.In addition, the general tone of former alarm is less, is difficult to all cover all user's requests, even there is multiple tone yet need customize according to requirement of client, realizes in case the customization client thinks to adjust voluntarily basic being difficult to.At present,, structure novel about outward appearance small and exquisite, easy for operation again can earthquake-resistant moisture-proof, increase the service life and provide the electronic buzzer of multiple warning tone also not appear in the newspapers.

Summary of the invention

The purpose of the utility model is, a kind of advantages of small volume is provided, and is easy to install, has function, the alternative electronic buzzers of multiple warning tone such as excellent waterproof protection against the tide, antidetonation.

For realizing above-mentioned purpose, the technical scheme that the utility model is taked is:

The electronic buzzer of the utility model is provided with shell; Said shell is the integral structure that is made up of base box, sounding chamber and echo chamber; Said base box three side sealing closes an opening, and sounding chamber and echo chamber are installed in the opening surface, and said sounding is equipped with loudspeaker in the chamber; Between sounding chamber and the echo chamber barrier film is housed, said base box inside is provided with circuit board.

There is chimb at the edge of said base box opening surface, and the edge in said sounding chamber is provided with concave edge, and the two is chimeric, constitutes water joint; Said shell is provided with holder, has fixed orifice on the holder; Said integrated casing is designed to cubic; Said sounding chamber and/or echo chamber are processed by the acrylonitrile-butadiene-styrene (ABS) plastics.

The utility model advantage is:

1, the electronic buzzer of the utility model is compact integral structure, and is easy to install, attractive in appearance;

2, advantages of small volume, weight are lighter, and it is little to take up room, and can be fixed on the plant equipment, has improved its shockproof properties greatly;

3, on the base water joint is installed, waterproof protection against the tide avoids inner member to meet the scale erosion, has prolonged serviceable life;

4, multiple different warning tone is provided, is suitable for various working environments, can satisfy user's different demands, be suitable for extensively promoting and using.

5, sounding chamber, echo chamber have voice emplifying once more, improve the effect of decibel, can reach the warning effect of the big decibel of miniwatt.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model.

Accompanying drawing 2 is that the utility model is along Figure 1A-A line diagrammatic cross-section.

Accompanying drawing 3 is another structural representations of a kind of electronic buzzer of the utility model.

Embodiment

Below in conjunction with embodiment and with reference to accompanying drawing the utility model is further described.

Embodiment 1

The Reference numeral and the ingredient that relate in the accompanying drawing are as follows:

1. circuit board 2. shells

3. base box 4. sounding chambeies

5. echo chamber 6. loudspeakers

7. barrier film 8. chimbs

9. concave edge 10. water joints

11. holder 12. fixed orifices

13. printed circuit board 14. toggle switchs

15. luminophor

Please with reference to Fig. 1, Fig. 1 is the structural representation of a kind of electronic buzzer of the utility model.Described electronic buzzer outside is provided with the shell 2 of cubic shaped, and said shell 2 is provided with base box 3, sounding chamber 4 and echo chamber 5, is provided with holder 11 at the lower edge of shell 2, and holder 11 is provided with fixed orifice 12.Please with reference to Fig. 2, Fig. 2 is that the utility model is along Figure 1A-A line diagrammatic cross-section.Said base box 3 three side sealings close an opening; Sounding chamber 4 and echo chamber 5 are installed in the opening surface; In the said sounding chamber 4 loudspeaker 6 is installed; Between sounding chamber 4 and the echo chamber 5 barrier film 7 is housed, said base box 3 inner sides are provided with circuit board 1, and circuit board 1 comprises circuit part, tone control circuit part, amplification circuits and power circuit part (figure is last not to be marked); One side of circuit board 1 is provided with printed circuit board 13, and printed circuit board 13 is provided with toggle switch 14 with the reverse side of circuit board 1 surface of contact.

Need to prove that said sounding chamber 4 can be amplified the sound that loudspeaker 6 sends through Echo Wall principle with echo chamber 5 once more, improve decibel, reach the warning effect of the big decibel of miniwatt; The main effect of said barrier film 7 is to isolate sounding chamber 4 and echo chamber 5; There is chimb 8 at the edge of said base box 3 opening surfaces, and the edge in said sounding chamber 4 is provided with concave edge 9, and chimb 8 is just in time chimeric with concave edge 9, constitutes water joint 10, can prevent the entering of rainwater or other fluid, avoids internal circuit board 1 to be etched; Be lined with the O RunddichtringO in the said concave edge 9, to reach better sealing effectiveness; Said shell 2 is provided with holder 11, has fixed orifice 12 on the holder, can pass through holder 11, and devices such as use screw are fixed on the electronic buzzer of the utility model on the plant equipment; Said shell 2 preferred design become cubic, and it is more attractive in appearance to be convenient to installation and profile, also can be designed to rectangular-shaped or other shapes; Said sounding chamber 4 and/or echo chamber 5 are processed by the acrylonitrile-butadiene-styrene (ABS) plastics; This kind plastics have impact resistance, thermotolerance, lower temperature resistance, chemical proofing and excellent electrical properties, can guarantee the good result and the serviceable life in sounding chamber and echo chamber; The said tone control circuit that is integrated on the circuit board 1 partly is installed on the printed circuit board 13, on the said printed circuit board 13 toggle switch 14 is installed, and can select suitable tone through toggle switch 14.

When using the electronic buzzer of the utility model, can use screw etc. electronic buzzer to be fixed on the installed surface of plant equipment through the fixed orifice on the holder 11 12.During work; The circuit of circuit board 1 partly produces sound, and the amplification circuits that is sent to circuit board 1 is amplified, and the sound after volume is amplified promotes loudspeaker 6 sounding; Behind the sound process sounding chamber 4 that loudspeaker 6 sends, the echo chamber 5 sound is amplified once more, improve decibel.According to workplace or user demand, can regulate the warning tone that toggle switch 14 selections need to tone.Installation of the utility model and use are all very convenient, can be fixedly mounted on the plant equipment, and it is little to take up room, good looking appearance; During when plant equipment work and with sharp pounding, this electronic buzzer can't be interfered, and anti-seismic performance is very strong; Run into rainy day or work in a humid environment, because shell 2 is spaces of a sealing, add the sealing function of water joint 10, internal circuit board 1 can't make moist; To the different working occasion, this use novel electronic hummer provides multiple warning tone to supply the staff to select, and co-ordination, equipment alarm and protection personal safety are played an important role.

Embodiment 2

Fig. 3 is another structural representation of a kind of electronic buzzer of the utility model, and it is on the basis of the electronic buzzer of embodiment 1, and a luminophor 15 is installed on shell 2.The flashlamp that described luminophor 15 is formed for the LED light emitting diode; The flashing light that also can adopt the xenon gaseous discharge pipe to form; Lampshade on the luminophor 15 adopts the PC material to process; Have good impact strength, thermal stability and glossiness, can guarantee luminophor 15 receive under certain external force effect still luminous.Described luminophor 15 can produce the flashing light alarm signal, causes operating personnel's attention, guarantees production safety.

The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Some improvement be can also make and these improvement and the additional protection domain that also should be regarded as the utility model replenished.

Claims

1. an electronic buzzer is provided with shell, it is characterized in that; Described shell is the integral structure that is made up of base box, sounding chamber and echo chamber; Said base box three side sealing closes an opening, and sounding chamber and echo chamber are installed in the opening surface, and said sounding is equipped with loudspeaker in the chamber; Between sounding chamber and the echo chamber barrier film is housed, said base box inside is provided with circuit board.

2. electronic buzzer according to claim 1 is characterized in that, the edge of said base box opening surface is provided with chimb, and the edge in said sounding chamber is provided with concave edge, and the two is chimeric, constitutes water joint.

3. electronic buzzer according to claim 1 is characterized in that said shell is provided with holder.

4. electronic buzzer according to claim 3 is characterized in that, has fixed orifice on the said holder.

5. electronic buzzer according to claim 1 is characterized in that said shell is cubic.

6. electronic buzzer according to claim 1 is characterized in that, said sounding chamber is processed by the acrylonitrile-butadiene-styrene (ABS) plastics.

7. according to claim 1 or 6 described electronic buzzers, it is characterized in that said echo chamber is processed by the acrylonitrile-butadiene-styrene (ABS) plastics.