CN2325261Y

CN2325261Y - Taxi roof light for indicating emergency

Info

Publication number: CN2325261Y
Application number: CN 98212759
Authority: CN
Inventors: 王诚
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-05-04
Filing date: 1998-05-04
Publication date: 1999-06-23
Anticipated expiration: 2008-05-04

Abstract

The utility model provides an alarming taxi roof light for indicating emergency. The utility model is characterized in that both sides of a light box (1) are respectively provided with transparent windows (2), and an alarming device (8) and a remote control receiving control circuit (14) are arranged in the light box (1). Letters of TAXI are displayed in the transparent windows (2) during normal operation, and letters of emergency are displayed in the transparent windows (2) during alarm with flashing lamplight simultaneously.

Description

Emergency caution taxi dome lamp

The utility model relates to a kind of warning device, a kind of anti-abduction warning device, a kind of taxi toplight with remote control alarm function of more specifically saying so.

In the criminal case that various news media reported, the public taxi case of being held as a hostage is of common occurrence, and therefore, various anti-abduction equipment and anti-misfortune method continue to bring out.More advanced have global position system, cellular radio network position fixing system and control tower intersection position fixing system, but one-time investment is difficult to more greatly generally use; Modal is to install separation net additional between chaufeur and the passenger, though this method is simple, facts have proved poor effect, still has the taxicar that installs additional behind the separation net to be kidnapped by illegal person, and the outer people of the back car of being held as a hostage still unconsciously; Also have to add warning device onboard, but common sound and light alarm only, common citizen do not know that still problem has taken place the car of being held as a hostage.Common taxi toplight function singleness, the effect of only soliciting customers or business, but alarm free function.

In view of there is above-mentioned deficiency in prior art, the purpose of this utility model is to disclose a kind of taxi toplight with emergency alarm function, and this ceiling light has the advantage that can send clear and definite " emergency " alarm signal.

The utility model realizes that the technical solution of above-mentioned purpose is transformed and formed existing taxi toplight, it is characterized in that the lamp box both sides are respectively equipped with transparent window, be provided with alarming device and remote-control reception control circuit in the lamp box, described remote-control reception control circuit is made up of lamp box dropout control circuit and flashing control circuit and change-over swith, wherein said lamp box dropout control circuit receives amplifying circuit by radio frequency, driving circuit and dropout actuating motor connect formation successively, and described flashing control circuit is connected to form by the relay of low frequency oscillation circuit with the control bulb; Described alarming device is to be symmetrical arranged two guide rods on the base plate of lamp box, be with compression spring on the guide rod respectively, be provided with between the guide rod and be sleeved on the guide rod upper bottom portion and be provided with the extension light box of being threaded off by actuating motor control, the top of guide rod is provided with the inching conversion switch that switches dropout control circuit and flashing control circuit power supply; The both sides of described lamp box are provided with the printed words of " TAXI " and " emergency " respectively up and down successively, and the lamp box is at two extreme positions up and down, and " TAXI " aims at the set transparent window in lamp box both sides respectively with " emergency " printed words.

Owing to this practicality newly utilizes existing taxi toplight to improve and sets up alarming device within it and remote-control reception control circuit forms, therefore than the following outstanding advantage of prior art tool:

1. the Remote Control Automatic switching of " TAXI " and " emergency " printed words, one-object-many-purposes;

2. " emergency " printed words reveal automatically and ceaselessly glimmer when reporting to the police, and not only the traffic police knows that this car is held as a hostage or other abnormal condition take place, and is held as a hostage even the common masses also know this car;

3, simple in structure, be convenient to implement;

4. cost is low, and one-object-many-purposes is easy to generally promote the use of.

Below in conjunction with drawings and Examples the utility model is carried out further detailed description,, grasp technological means of the present utility model and the method implemented better so that the public can fully understand goal of the invention of the present utility model and the outstanding advantage that is had.

Fig. 1 is the structural representation (shaft side figure) of an optimum implementation of the present utility model;

Fig. 2 is an electrical schematic diagram of the present utility model, and titled with numbering 14, dotted line bonded assembly L3 and L4 are the bulb in the existing taxi toplight among the figure;

Fig. 3 is the outside drawing of embodiment state of nature shown in Figure 1;

Fig. 4 is the outside drawing of embodiment alarm condition shown in Figure 1.

Fig. 5 is the cutaway view (vertically analysing and observe) of embodiment alarm condition shown in Figure 1.

Referring to Fig. 1, in order to make emergency caution taxi dome lamp described in the utility model, when reporting to the police, distinguish prior art better, outstanding rescue alarm state, an important additional technical feature of the present utility model is that the top of described extension light box 9 is provided with the vertical rod 11 of stretching out lamp box, also is provided with bulb 12 (being the L2 in the electrical schematic diagram) in the vertical rod 11.

Referring to Fig. 1, emergency caution taxi toplight described in the utility model is to form through improving design on the basis of existing taxi toplight, the lamp box that original full impregnated is bright makes the lamp box (1) that both sides are respectively equipped with transparent window into, and sets up alarming device 3 and remote-control reception control circuit 14 within it.

Referring to Fig. 2, described remote-control reception control circuit 14 is by lamp box dropout control circuit and flashing control circuit and serve as the change-over swith K that the flash state transition one by one of threading off switches and formed.Described lamp box dropout control circuit receives amplifying circuit IC1, driving circuit and actuating motor M by radio frequency and connects and composes successively.In this example, radio frequency receives amplifying circuit IC1 and is served as by the special module TWH9638 that Da Hua electronics corporation in Guangdong produces, and therefore also selects for use the key of the said firm's production to sew formula hand-held transmitter TWH9236 with the matching used feedway of the described caution taxi toplight of present embodiment; Driving circuit is that serial connection current-limiting resistance R1 forms on the base stage of aerotron VT1.Described flashing control circuit is connected to form by the relay J of low frequency oscillation circuit with control bulb L1 and L2.Low frequency oscillation circuit described in the present embodiment is a core with 555 time-base integrated circuits, dispose peripheral resistance R 2 and R3, capacitor C 1 and C2 constitute, along with the variation of 555 time base circuits, 3 pin level, the relay adhesive is thrown off one by one, and bulb L1 and L2 alternately glimmer luminous.

Referring to Fig. 1 and in conjunction with Fig. 3, Fig. 4 and Fig. 5, described alarming device 8 is to be symmetrical arranged two guide rods 3 on the base plate of lamp box 1, be with compression spring 4 on the guide rod 3 respectively, be provided with between the guide rod 3 and be sleeved on the moving lamp box 9 of the words of being threaded off by actuating motor 5 (being the M in the electrical schematic diagram) control on the guide rod, the top of guide rod 3 is provided with the inching conversion switch 10 (K in the electrical schematic diagram) that switches dropout control circuit and flashing control circuit power supply; The both sides of described lamp box 9 are provided with the printed words of " TAXI " and " emergency " respectively up and down successively, and during two extreme positions, the set transparent window 2 in lamp box 1 both sides aimed at respectively in " TAXI " and " emergency " printed words to the lamp box about in the of 9.Transparent window 2 (referring to Fig. 3) aimed in " TAXI " printed words under the state of nature, its outward appearance is the same with common taxi dome lamp, when needing to report to the police emergency, as long as chaufeur is pressed the button on the hand-held transmitter, actuating motor 5 will rotate, drive driving lever 7 by the cam 6 that is located on its spindle nose, extension light box 9 is threaded off, spring 4 is upspring extension light box 9, " TAXI " printed words just leave transparent window 2, when extension light box 9 moves to the end of guide rod 3, transparent window 2 just in time aimed in " emergency " printed words, lamp box 1 is stretched out in vertical rod 11, and simultaneously, extension light box 9 touches inching conversion switch 10, cut off the power supply of the power connection flashing control circuit of lamp box dropout control circuit, described low frequency oscillation circuit opens shake, alternately flicker of the bulb 12 (being the L1 in the electrical schematic diagram) in bulb 13 (being the L2 in the electrical schematic diagram) in the extension light box 9 and the vertical rod 11, thus make " emergency " printed words more eye-catching.On the other hand, because the stretching out of vertical rod 11 when reporting to the police, the flicker of bulb 12 obviously is different from normal operation state.

Claims

1. an emergency caution taxi dome lamp is characterized in that lamp box (1) both sides are respectively equipped with transparent window (2), is provided with alarming device (8) and remote-control reception control circuit (14) in the lamp box (1),

Described remote-control reception control circuit (14) is made up of lamp box dropout control circuit (IC1, R1, VT1, M) and flashing control circuit (IC2, R2, R3, C1, C2, J) and change-over swith (K), wherein said lamp box dropout control circuit receives amplifying circuit (IC1), driving circuit (R1, VT1) and dropout actuating motor (M) by radio frequency and connects formation successively, and described flashing control circuit is connected to form by the relay (J) of low frequency oscillation circuit (IC2, R2, R3, C1, C2) with control bulb (L1);

Described alarming device (8) is to be symmetrical arranged two guide rods (3) on the base plate of lamp box, be with compression spring (4) on the guide rod (3) respectively, be provided with between the guide rod (3) and be sleeved on the extension light box (9) of being threaded off by actuating motor (5) control on the guide rod, the top of guide rod (3) is provided with the inching conversion switch (10) that switches dropout control circuit and flashing control circuit power supply;

The both sides of described lamp box (9) are provided with the printed words of " TAXI " and " emergency " respectively up and down successively, and lamp box (9) is two extreme positions up and down, and the set transparent window (2) in lamp box (1) both sides aimed at respectively in " TAXI " and " emergency " printed words.

2. a kind of emergency caution taxi dome lamp according to claim 1 is characterized in that the top of described extension light box (9) is provided with the vertical rod (11) of stretching out lamp box, also is provided with bulb (12) in the vertical rod.