CN2567450Y

CN2567450Y - Special vehicle warning lamp

Info

Publication number: CN2567450Y
Application number: CN 02253524
Authority: CN
Inventors: 刘志国
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-09-09
Filing date: 2002-09-09
Publication date: 2003-08-20
Anticipated expiration: 2012-09-09

Abstract

The utility model relates to a special vehicle warning lamp used on vehicles, such as a police vehicle, an ambulance vehicle, a fire fighting vehicle, an engineering vehicle, etc. The utility model mainly comprises a rotatable base < 1 >, a lamp head arranged on the rotatable base < 1 >, a driving motor < 7 >, corresponding low-voltage dc electrical source and a power supply mechanism of the low-voltage dc electrical source, wherein, the base < 1 > and the lamp head are driven by the driving motor < 7 > to rotate; the lamp head which is an energy saving lamp head of low power consumption and high brightness is composed of a plurality of high-brightness diodes and light condensing transparent covers, wherein, the number of the high-brightness diodes and light condensing transparent covers is finite. The utility model solves the problems of the prior art that power consumption is greater, the lamp head is easy to damage, and the structure is somewhat complicated. The utility model has the advantages of energy saving, long service life, high light permeability, high using safety, and simple structure. The utility model is mainly used for sending out light warning signals for various special vehicles.

Description

The special vehicle warning lamp

Technical field

The utility model relates to the light fixture that assembles on a kind of vehicle, especially for the special vehicle warning lamp that sends the warning lamp optical signal on the special vehicles such as police car, ambulance, fire engine, engineering truck.

Background technology

At present, the warning lamp that assembles on all kinds of special vehicles, general all form by rotating pedestal, disposed thereon small filament lamp bubble, reflective surface watt and lampshade, rotating pedestal drives it by drive motors by transmission mechanism and is rotated, and reflective surface watt is used for the scattered light that the small filament lamp bubble sends concentrated and reflects away.Because the light emitting source of its lamp holder is 220 volts of luminous incandescent lamp bulbs, and the light that incandescent lamp bulb sends will be gone out from the lampshade transmission through after the reflective surface watt reflection again, will consume more electric energy like this, and the easily heating of small filament lamp bubble, damage, the brightness that light will produce in various degree after reflection weakens phenomenon, have only the bulb power of increasing could further improve its luminosity, can increase power consumption so again, the setting of reflective surface watt also makes its used parts more, and structure is comparatively complicated.After using incandescent lamp, also need be equipped with shades of colour according to actual needs as red, blue, yellow lampshade.Therefore its defective is, power consumption is bigger, and lamp holder can be easy to damage because of the bulb heating, and its structure is also comparatively complicated.

Summary of the invention

The purpose of this utility model is, overcomes the deficiencies in the prior art, and provide that a kind of power consumption is few, long service life, the comparatively simple special vehicle warning lamp of structure.

In order to achieve the above object, the solution that the utility model is taked is, it comprises rotating pedestal and disposed thereon 's lamp holder, be characterized in, it also comprises drive motors, transmission mechanism, turning cylinder and at least one pair of brush that drives described pedestal rotation, and described pedestal is a rotor that can carry out coaxial rotation with described turning cylinder, and said here coaxial rotation can be coaxial synchronous rotation, also can be coaxial asynchronous rotation, be preferably coaxial synchronous rotation.At above-mentioned each brush electricity and the anodal brush that is electrically connected of dc power supply, constitute the structure that conducts that relative sliding friction cooperates with positive electrode on the described turning cylinder, the brush that connects with described dc power supply negative electricity and the negative electrode on the described turning cylinder constitute the structure that conducts that relative sliding friction cooperates, described drive motors constitutes the structure that drives described pedestal rotation by described transmission mechanism, described lamp holder is made of the optically focused diffuser that is arranged on the limited a plurality of light emitting diodes on its substrate and above-mentioned each light emitting diode is covered on wherein, described each light emitting diode anodal all with described positive electrode, positive electrode on the above-mentioned turning cylinder is electrically connected, its negative pole all with described negative electrode, negative electrode on the above-mentioned turning cylinder is electrically connected, and described optically focused diffuser is one and is provided with the scattered light that light emitting diode is sent with the corresponding position of described each light emitting diode is gathered into the cover body that direct projection goes out the little condenser of light beam on its cover.Described lamp holder is provided with quantity and is at least 1, be provided with 2,3,4 etc. limited a plurality of also passable, be preferably 2.Described brush is used for the conducting DC current, for each light emitting diode on the lamp holder provides electric energy.

In order to make the comparatively simple and easy practicality of above-mentioned transmission mechanism, the power transmission shaft of preferably described pedestal and drive motors, constitute the driven rotatable parts and the active rotation parts of described transmission mechanism respectively, rubber wheel slip gear, gear drive, belt gear, Worm and worm-wheel gearing that described transmission mechanism preferably is made of substrate and described power transmission shaft, or by the direct shaft coupling transmission mechanism of the synchronous rotation that constitutes between described power transmission shaft and the described pedestal.Above-mentioned each transmission mechanism is known by those of ordinary skill, and its concrete structure no longer is described in detail in detail herein.

For further improving its luminosity, no matter whether described transmission mechanism has adopted the above-mentioned various drive mechanisms of enumerating, and described each light emitting diode preferably is high brightness LED.

For ease of using, no matter whether described transmission mechanism adopts the above-mentioned various drive mechanisms of enumerating, described drive motors preferably adopts the low-voltage direct motor, described dc power supply and be the DC voltage that is lower than 110 volts (containing 110 volts) for the voltage of described drive motors direct current power source supplying power, as 2.4 volts, 3 volts, 6 volts, 9 volts, 12 volts, 24 volts, 36 volts, 72 volts or 90 volts, 110 volts etc., wherein to adopt 12 volts, 24 volts dc source voltages for well.For the ease of control, be preferably in the supply line of described each light emitting diode and drive motors, be provided with a master control switch or be respectively arranged with the control corresponding switch.Adopt the form that is provided with a master control switch herein.

As a whole in order to make it into, no matter whether described transmission mechanism adopts the above-mentioned various drive mechanisms of enumerating, the utility model comprises also that preferably the assembly that at least one cover is made of described lamp holder, pedestal, turning cylinder, driving machine motor and power transmission shaft thereof covers on light transmission casing wherein and base plate is installed, and constitutes the lightbar that comprises the little warning lamp of a light emitting source or comprise limited a plurality of as light emitting sources such as 2,4,6.In order to improve the light-emitting caution effect of above-mentioned lightbar, be preferably on the installation base plate of described lightbar, be provided with the light reflection surface layer.

In addition, the little condenser on the optically focused diffuser of described lamp holder is little convex lens, and under the effect of each little convex lens, the scattered light that each light emitting diode sends will be converged into the light beam that direct projection goes out, thereby has strengthened luminosity.

Above-mentioned lamp holder can be the single face Luminous lamp holder that is provided with each light emitting diode in side of its substrate; it also can be the double-side lamp holder that all is provided with light emitting diode in two sides of its substrate; adopt the single face Luminous lamp holder herein, certain above-mentioned double-side lamp holder also belongs to protection domain of the present utility model.

Because the utility model has adopted said structure, the high brightness lamp holder that constitutes with few each light emitting diode of power consumption and optically focused diffuser, replace the small filament lamp that power consumption is big and be easy to generate heat, the mode of directly assembling transmission caution light beam with the optically focused diffuser, replace mode by reflective surface watt reflection small filament lamp light, can reduce power consumption effectively, light emitting diode can not resemble the 220V incandescent lamp bulb because of heating damages yet, thereby has prolonged its service life.After adopting the low-voltage dc power supply power supply, can improve the security of its use.Reduced after the light reflection link, can avoid weakening of light intensity and brightness again, and simplify the structure of lamp holder.Therefore, the utlity model has save electric energy, safe in utilization, the life-span is long, advantage of simple structure, and because light emitting diode itself can directly send the light source that redness, yellow etc. have coloured light exactly, used lampshade case can adopt water white low price lampshade, so also can reduce its cost of manufacture, so the utility model also has lower-cost advantage.

The drawing explanation

Fig. 1 is that the master of the utility model internal structure looks schematic diagram;

Fig. 2 is that schematic diagram is looked on a left side of the present utility model shown in Figure 1;

Fig. 3 is a schematic top plan view of the present utility model shown in Figure 1;

Fig. 4 is the structural representation that the utility model is provided with light transmission casing;

Fig. 5 is that the utility model is the structural representation of lightbar.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described.

At Fig. 1, in Fig. 2 and the schematic diagram shown in Figure 3, the utility model comprises rotating pedestal 1 and disposed thereon 's lamp holder, in addition, it also comprises the drive motors 7 that drives pedestal 1 rotation, transmission mechanism, turning cylinder 2 and a pair of brush, pedestal 1 is a rotor that can carry out coaxial rotation with turning cylinder 2, here the said coaxial coaxial synchronous rotation that rotates to be, with the anodal brush 3 that is electrically connected of 12 volts of dc power supplies, constitute the structure that conducts that relative sliding friction cooperates with positive electrode 6 on the turning cylinder 2, the brush 4 that connects with above-mentioned 12 volts of dc power supply negative electricities cooperates with the relative sliding friction of negative electrode 5 formations on the turning cylinder 2 conducts structure, described drive motors 7 constitutes the structure that drives described pedestal 1 rotation by above-mentioned transmission mechanism, above-mentioned each lamp holder constitutes by the optically focused diffuser that is arranged on the limited a plurality of light emitting diodes on its substrate and above-mentioned each light emitting diode is covered on wherein, the anodal of described each light emitting diode all is electrically connected with positive electrode 6 on the described turning cylinder 2, its negative pole all is electrically connected with negative electrode 5 on the described turning cylinder 2, because its electric connection structure is known by those of ordinary skill, no longer provides concrete diagram herein.Described optically focused diffuser is one and is provided with the scattered light that light emitting diode is sent with the corresponding position of described each light emitting diode is gathered into the cover body that direct projection goes out the little condenser of light beam on its cover.In Fig. 1, Fig. 2, the quantity of described lamp holder is 2, promptly is arranged on first lamp holder 9 and second lamp holder 10 on the pedestal 1, and above-mentioned two holder structures are identical.Wherein, first lamp holder 9 is made of the optically focused diffuser 11 that is arranged on 24 described structures of light emitting diode and top of (being on the circuit board at substrate place) on its substrate, and each light emitting diode is high brightness LED, and light emitting diode 13 is one of them.Little condenser on the above-mentioned optically focused diffuser 11 is little convex lens, and in Fig. 1, little convex lens 12 are one of them.In Fig. 1, Fig. 2, only be provided with a pair of brush, promptly with the anodal brush 3 and the brush 4 that is connected with 12 volts of dc power supply negative electricities that is electrically connected of 12 volts of dc power supplies, certainly be provided with 2 pairs, 3 pairs brushes or 1 pair or 2 pairs of positive and negative electrodes be set on above-mentioned turning cylinder 2 more also passable, to guarantee that constituting stable relative sliding friction on brush and the turning cylinder 2 between the positive and negative electrode conducts structure, further improve its conduction reliability, no longer describe in detail herein.The number of above-mentioned light emitting diode also can be 5,8,10,15,20,25,30 etc. limited a plurality of, no longer describe in detail herein.The power transmission shaft 8 of described pedestal 1 and drive motors 7, the driven rotatable parts and the active rotation parts of described transmission mechanism have been constituted respectively, described transmission mechanism can be rubber wheel slip gear, gear drive, belt gear, the Worm and worm-wheel gearing that is made of pedestal 1 and described power transmission shaft 8, or by the direct shaft coupling transmission mechanism of the synchronous rotation that constitutes between described power transmission shaft 8 and the described pedestal 1.In Fig. 1, Fig. 3, pedestal 1 has constituted rubber wheel frictional drive structure with power transmission shaft 8, pedestal 1 and power transmission shaft 8 can be whole rubber wheel, rubber axis, also can adopt the composite rotation parts that are provided with rubber friction layer or other frictional layer structure in metal or other material moving runner outer ring, no longer describe in detail herein.Above-mentioned dc power supply and be 12 volts for the voltage of drive motors 7 direct current power source supplying power.Drive motors 7 and above-mentioned each light emitting diode can merge and use same 12 volts dc source, also can discrete use two 12 volts dc source, herein, drive motors 7 and each light emitting diode share same 12 volts dc source.Certainly, the magnitude of voltage of above-mentioned dc source also can be the dc voltage values that are lower than 110 volts (containing 110 volts) such as 2.4 volts, 3 volts, 6 volts, 9 volts, 24 volts, 36 volts, 72 volts, 90 volts, when providing supply voltage value and each light emitting diode and drive motors 7 needed magnitudes of voltage are incompatible, can adopt methods such as dividing potential drop, obtain to meet the magnitude of voltage of each light emitting diode and drive motors 7 power reguirements from power supplys such as 110 volts, 90 volts, 72 volts, 36 volts, no longer describe in detail herein.Owing to adopted above-mentioned 110 volts of following low-voltages, thereby improved safety in utilization of the present utility model, no longer described in detail herein.In schematic diagram shown in Figure 4, the utility model also comprises a cover is covered on light transmission casing 14 wherein and base plate 15 is installed by described lamp holder, pedestal 1, turning cylinder 2, driving machine motor 7 and power transmission shaft 8 thereof, thereby makes it constitute the little warning lamp of an integral body.Light transmission casing 14 both can be coloured light transmission casing of actual needs as red, blue, yellow case, also can be colourless light transmission casing.What select for use among Fig. 4 is colourless light transmission casing, and light emitting diode is then selected for use as required can send the light emitting diode that redness, blueness, yellow etc. have coloured light.Such structure has further improved light transmission of the present utility model, and has reduced cost.In schematic diagram shown in Figure 5, light transmission casing 14 of the present utility model is long row's light transmission casing, base plate 15 is installed base plate is installed, the assembly that 4 covers are made of described lamp holder, pedestal, turning cylinder, drive motors and power transmission shaft thereof has been installed in the above, thereby has been constituted lightbar for long row.Certainly the installation quantity of combinations thereof body can also be 2,3,5,6 etc., and this states no longer and describes in detail.On the installation base plate 15 of lightbar shown in Figure 5, be provided with reflective surface layer 16, with the light-emitting caution lamp effect of further raising lightbar.

In the supply line of Fig. 1 each light emitting diode novel and drive motors 7, be provided with a master control switch to shown in Figure 5 reality.

When other mechanism beyond above-mentioned transmission mechanism adopts the rubber wheel slip gear such as gear drive, belt gear, Worm and worm-wheel gearing, pedestal 1 constitute the structures such as direct shaft coupling transmission mechanism of rotating synchronously with power transmission shaft 8, all belong to protection domain of the present utility model.

Claims

1, a kind of special vehicle warning lamp, the lamp holder that comprises rotating pedestal [1] and disposed thereon, it is characterized in that, it also comprises the drive motors [7] that drives described pedestal [1] rotation, transmission mechanism, turning cylinder [2] and at least one pair of brush, described pedestal [1] is a rotor that can carry out coaxial rotation with described turning cylinder [2], in above-mentioned each brush, with the anodal brush that is electrically connected of dc power supply, constitute the structure that conducts that relative sliding friction cooperates with positive electrode on the described turning cylinder [2], the brush that is connected with described dc power supply negative electricity, constitute the structure that conducts that relative sliding friction cooperates with negative electrode on the described turning cylinder [2], described drive motors [7] constitutes the structure that drives described pedestal [1] rotation by described transmission mechanism, described lamp holder is made of the optically focused diffuser that is arranged on the limited a plurality of light emitting diodes on its substrate and above-mentioned each light emitting diode is covered on wherein, the anodal of described each light emitting diode all is electrically connected with described positive electrode, its negative pole all is electrically connected with described negative electrode, and described optically focused diffuser is one and is provided with the scattered light that light emitting diode is sent with the corresponding position of described each light emitting diode is gathered into the cover body that direct projection goes out the little condenser of light beam on its cover.

2, special vehicle warning lamp according to claim 1, it is characterized in that, the power transmission shaft [8] of described pedestal [1] and drive motors [7], the driven rotatable parts and the active rotation parts of described transmission mechanism have been constituted respectively, described transmission mechanism is rubber wheel slip gear, gear drive, belt gear, the Worm and worm-wheel gearing that is made of pedestal [1] and described power transmission shaft [8], or by the direct shaft coupling transmission mechanism of the synchronous rotation of formation between described power transmission shaft [8] and the described pedestal [1].

3, special vehicle warning lamp according to claim 1 and 2 is characterized in that, described each light emitting diode is high brightness LED.

4, special vehicle warning lamp according to claim 1 and 2, it is characterized in that, described drive motors [7] is the low-voltage direct motor, described dc power supply and be lower than 110 volts DC voltage for the voltage of described drive motors [7] direct current power source supplying power is, in the supply line of described each light emitting diode and drive motors [7], be provided with a master control switch or be respectively arranged with the control corresponding switch.

5, special vehicle warning lamp according to claim 1 and 2, it is characterized in that, it comprises that also the assembly that at least one cover is made of described lamp holder, pedestal [1], turning cylinder [2], drive motors [7] and power transmission shaft [8] thereof covers on light transmission casing [14] wherein and base plate [15] is installed, and constitutes the lightbar that comprises the little warning lamp of a light emitting source or comprise limited a plurality of light emitting sources.

6, special vehicle warning lamp according to claim 5 is characterized in that, on the installation base plate of described lightbar, is provided with light reflection surface layer [16].

7, special vehicle warning lamp according to claim 1 is characterized in that, the little condenser on the described optically focused diffuser is little convex lens.