CN2450504Y

CN2450504Y - Hand-held explosion-proof searchlight

Info

Publication number: CN2450504Y
Application number: CN 00239907
Authority: CN
Inventors: 周明杰; 黄永山
Original assignee: SHENZHEN OCEAN'S KING INVESTMENT DEVELOPMENT CO LTD
Current assignee: SHENZHEN OCEAN'S KING INVESTMENT DEVELOPMENT CO LTD
Priority date: 2000-10-14
Filing date: 2000-10-14
Publication date: 2001-09-26
Anticipated expiration: 2010-10-14

Abstract

The utility model discloses a hand-held explosion-proof searchlight, which comprises a cylindrical casing 6 and a transparent front cover 1 which is installed on one end of the casing and a rear cover combined device which is installed on the other end of the casing, the contact surfaces of the front cover and the rear cover device with the casing are both provided with O-shaped sealing rings (5 and 19), and the casing is provided with a lighting device and a control device which controls the on-off of the lighting device. The searchlight provided by the utility model has good dustproof, waterproof, pressure-resistant and explosion-proof performance, the brightness of the searchlight can also be regulated, so the energy-saving function is realized, and the utility model is a searchlight with better performance which can be used under severe conditions.

Description

Hand-held Anti-explosion searchlight

The utility model relates to lighting technical field, is specifically related to a kind of searchlight, uses more specifically to a kind of job that requires special skills occasion that is applicable to, has hermetically sealed and portable searchlight explosion prevention function.

Industries such as special trade of China such as petrochemical industry, public security, railway, communication, flood control, diving, often use searchlight owing to need of work, because of the condition of work of these industries often is in the adverse circumstances, make to the safe application performance requirement of searchlight very high, and the present employed searchlight of China is owing to structural reason, it is dustproof, waterproof and overpressure resistant and explosion-proof performance are not fine, and can not light modulation, distance all adopts same brightness to shine, make battery consumption too fast, shorten the service time of searchlight, influenced operating efficiency.

The purpose of this utility model is to provide a kind of Hand-held Anti-explosion searchlight with excellent sealing performance and explosion-proof performance, and volume is little, also can use under the condition of degree of depth diving, can also regulate brightness, even also can operate as normal under abominable working environment.

The purpose of this utility model adopts following technical scheme to realize: construct the explosion-proof searchlight of a kind of hand body formula, comprise a columnar housing, be contained in the printing opacity protecgulum of housing one end, be equipped with the O RunddichtringO on the faying face of the bonnet composite set that is contained in the housing other end, described protecgulum and back lid arrangement and described housing, light-emitting device is housed in described housing and controls the control device of described light-emitting device break-make.

In Hand-held Anti-explosion searchlight provided by the utility model; one group of rechargeable battery pack that described light-emitting device comprises halogen tungsten bulb, be connected with described bulb, the rectifier bridge that is connected with described battery pack heap, at the two ends of described bulb also and be connected to holding circuit.

In Hand-held Anti-explosion searchlight provided by the utility model, described control device comprises a square-wave generator that is made of with resistance and electric capacity this schmitt trigger in the integrated circuit (40106) and the low-light level control circuit of forming with FET (BUZ11), the high brightness control circuit of forming by this schmitt trigger in the described integrated circuit and described FET, also comprise one by this schmitt trigger in the described integrated circuit and the low-voltage warning circuit formed with described FET, also be provided with the brilliance control thumbwheel switch in the described control device, in described circuit, be connected with and the suitable electronic device of described circuit.

In Hand-held Anti-explosion searchlight provided by the utility model, described printing opacity protecgulum comprises the safety glass eyeglass that is fixed in the preceding cap body, the condenser mirror that is arranged on eyeglass one side, is provided with packing ring on the contact-making surface of described eyeglass and described speculum.

In Hand-held Anti-explosion searchlight provided by the utility model, described bonnet composite set comprises bonnet, is contained in the handle in the bonnet outside, charging socket, the thumbwheel switch of control circuit, the locking device of thumbwheel switch, also comprises the circuit board and the fixture that are contained in the bonnet inboard.Described locking device comprises can slide up and down switch lock, be positioned at the place kick and the retainer spring of described switch lock one side.

In Hand-held Anti-explosion searchlight provided by the utility model; described circuit board and fixture comprise the main circuit board that control circuit is housed, pair circuit board that holding circuit is housed and is fixed together with lamp socket; described circuit board is fixed on the medial surface of bonnet by many support columns and Duo Gen fixed leg, is set with a plurality of spacers on described fixed leg.One end of described charging socket is equipped with the O RunddichtringO.

In Hand-held Anti-explosion searchlight provided by the utility model, the inboard of described thumbwheel switch is provided with the latch recess suitable with locking switch, is provided with arc notch in the lower end of thumb wheel.Described housing adopts high-intensity aluminum alloy materials to make.

Implement the Hand-held Anti-explosion searchlight that the utility model provides, housing is designed to tube-shaped structure and adopts high-intensity material to make, can make housing have very high withstand voltage explosion-proof performance, adopt the very strong O RunddichtringO of sealing property to seal on the installation contact-making surface of protecgulum and bonnet and housing, make the dust and water protection performance of searchlight improve greatly, above-mentioned design can make that searchlight can be at various inflammable, explosive and sub aqua diving place trouble free services; The brightness regulating apparatus that is provided with in housing can make searchlight according to the distance of need irradiating object, carries out brightness regulation selectively, thereby has saved electric energy, has prolonged the working time of searchlight, has improved operating efficiency.

Below in conjunction with drawings and Examples, further specify the utility model, in the accompanying drawing:

Fig. 1 is the structure cross-sectional schematic of the utility model Hand-held Anti-explosion searchlight;

Fig. 2 is the structural representation of the composite set of bonnet shown in Fig. 1;

Fig. 3 is the sectional structure schematic diagram of the composite set of bonnet shown in Fig. 2;

Fig. 4 is that the components and parts in the intednsity circuit of the portable searchlight of the utility model constitute and the circuit connection diagram.

With reference to accompanying drawing 1, Hand-held Anti-explosion searchlight of the present utility model, housing 6 adopt the high tube-shaped structure design of compressive resistance, and select high-intensity aluminum alloy materials manufacturing for use, further improve its explosion-proof performance; At the two ends of housing 6 printing opacity protecgulum 1 and bonnet composite set are housed respectively, sealing property for the installation faying face that guarantees protecgulum 1 and bonnet composite set and housing, O RunddichtringO 5,19 all is housed on its faying face, the control device of light-emitting device and the described light-emitting device break-make of control is housed in housing.

Be arranged on the halogen tungsten bulb 26 that light-emitting device in housing 6 inner chambers comprises a high brightness, the one group of rechargeable battery that is connected with bulb 26, can the wrong plug both positive and negative polarity when guaranteeing charging, charging input end in battery pack is equipped with the rectifier bridge heap, for improving the service life of bulb 26, at the two ends of bulb and be connected to the holding circuit of forming by resistance R 10 and capacitor C 4, as shown in Figure 4; And lamp socket and described holding circuit that bulb will be installed are arranged in the same pair of circuit board 24.

As shown in Figure 4, for prolonging the service time of battery pack, be provided with intednsity circuit in the described control device, and intednsity circuit is arranged on the main circuit board 21, circuit is divided into high brightness control circuit and low-light level control circuit: the low-light level control circuit is to have adopted part this schmitt trigger and a FET BUZ11 in the integrated circuit 40106 to form in circuit design, be connected with a pair of input/output terminal of described trigger with capacitor C 2 by resistance R 5 and form a square-wave generator, the output of described square-wave generator is by resistance R 6, another of trigger is to input/output terminal, resistance R 8 is connected with the control pin of described FET BUZ11, and the other end of square-wave generator circuit is by diode D3, resistance R 4, voltage-stabiliser tube D2 is connected with the low-light level control end of brilliance control toggle switch 15; The high brightness control circuit has adopted this schmitt trigger in the described integrated circuit 40106 and has been connected with the control end of described FET BUZ11 by resistance R 3, R8, and the other end of circuit is connected end by resistance R 3 with the high brightness of described toggle switch 15 and is connected; The output of described FET BUZ11 is connected with an end of described bulb 26, when the needs high brightness shines, can connect the high brightness control end of switch, the output of high brightness control circuit can make the control signal of the full conducting of described FET, flow through the electric current maximum of bulb this moment, and bulb sends high light; When needing the irradiation at short distance of low-light level, connect the low-light level control end of switch, the rectangular wave that the square-wave generator of being made up of this schmitt trigger sends can make the conducting degree of FET descend, thereby the electric current that flows through bulb is reduced, bulb brightness reduces, save electric energy, prolonged the service time of searchlight.Damage rechargeable battery for avoiding over-discharge; in control device, be provided with the low-voltage warning circuit; circuit is by this schmitt trigger in the described integrated circuit 40106 and by voltage-stabiliser tube D2; adjustable potentiometer R1; diode D4; resistance R 8 composition that is connected with the control pin of described FET BUZ11; when the voltage of battery pack low to a certain degree the time (setting) by adjustable potentiometer R1; warning circuit can make the conducting degree of FET reduce to lower; make bulb send a kind of half-light; to cut off the electricity supply automatically through searchlight behind the certain hour; the prompting user in time charges the battery, and the protection battery does not damage because of excessively using.

Described printing opacity protecgulum comprises front cover body 1, is fixed in the safety glass eyeglass 2 on the lid inner stopper, is provided with condenser mirror 4 in a side of eyeglass 2 and can guarantees that the range of light is farther, on the faying face of eyeglass 2 and speculum 4 packing ring 3 is housed.

In the bonnet composite set, be provided with bonnet 28, be contained in the handle 7 on the bonnet outer face, and adopt securing member 10 to be fixed on the end face of bonnet 28, on the end face of bonnet, also be provided with toggle switch 15 and switch module 17, back-up ring 16, screw nail 18, prevent the locking device of switch 15 misoperations, be used for charging socket 27 to batteries charging, end at socket 27 is equipped with O RunddichtringO 33, a side of toggle switch 15 be provided with described locking device in the suitable groove of switch lock, lower end at toggle switch is shaped on arc notch, the fixture of circuit board and circuit board is housed in the inboard of bonnet 28, described fixture comprises main circuit board 21, paying circuit board 25 supports and fixing support column 9 mutually, fixed leg 8, screw 25,30,31,32, be sleeved on the spacer 23 above the fixed leg 8.

Described locking device comprises the switch lock 14 that can slide up and down, is arranged on the place kick 12 of switch lock one side, retainer spring 11 and centring ring 13.

Before the use, earlier the switch lock on the bonnet is dialled upward, the toggle switch thumb wheel is selected high light or the mode of the light of working to the left or to the right then; After the use, switch lock is dialled downwards, thereby switch lock is stuck in and pins switch in the groove of toggle switch, prevent the switch malfunction, in use exhaust that warning circuit sends low-voltage information nearly as battery power, the user should stop using at once, and charging in time is in order to avoid damage rechargeable battery.

Claims

1, a kind of Hand-held Anti-explosion searchlight, it is characterized in that, comprise a cylindrical shell (6), be contained on the faying face of the printing opacity protecgulum (1) of housing one end, the bonnet composite set that is contained in the housing other end, described printing opacity protecgulum and bonnet composite set and described housing and be equipped with O RunddichtringO (5,19), the control device of light-emitting device and the described light-emitting device break-make of control is housed in described housing.

2, according to the described Hand-held Anti-explosion searchlight of claim 1; it is characterized in that; the rectifier bridge heap that described light-emitting device comprises halogen tungsten bulb (26), the one group of rechargeable battery pack that is connected with described bulb (26), is connected with described battery pack, at the two ends of described bulb (26) also and be connected to the holding circuit of forming by resistance R 10 and capacitor C 4.

3, according to the described Hand-held Anti-explosion searchlight of claim 1, it is characterized in that, described control device comprises the low-light level control circuit, high brightness control circuit and brilliance control toggle switch (15), described low-light level control circuit adopts this schmitt trigger and the resistance R 5 in the integrated circuit (40106), the capacitor C 2 composition square-wave generator that is connected, the input of generator is by resistance R 4, Zener diode D2 is connected with the low-light level control end of switch (15), the output of generator is connected by the control pin of resistance R 8 with FET (BUZ11), described high brightness control circuit is by Si Mite generator in the described integrated circuit and resistance R 3, the diode D5 composition that is connected with R8, one end of resistance R 3 is connected with the high brightness control end of switch (15), and described warning circuit is by this schmitt trigger in the described integrated circuit and diode D4, D5, resistance R 8, adjustable potentiometer R1, the Zener diode D2 composition that is connected.

4, according to the described Hand-held Anti-explosion searchlight of claim 1, it is characterized in that, described printing opacity protecgulum comprises the safety glass eyeglass (2) that is fixed in the preceding cap body, the condenser mirror (4) that is arranged on eyeglass one side, is provided with packing ring (3) on the faying face of described eyeglass (2) and described speculum (4).

5, according to the described Hand-held Anti-explosion searchlight of claim 1, it is characterized in that, described bonnet composite set comprises bonnet (28), is contained in the handle (7) in the bonnet outside, charging socket (27), the thumbwheel switch (15) of control circuit, the locking device of thumbwheel switch, also comprises the circuit board and the fixture that are contained in the bonnet inboard.

According to the described Hand-held Anti-explosion searchlight of claim 5, it is characterized in that 6, described locking device comprises can slide up and down switch lock (14), be positioned at place kick (12), centring ring (13) and the retainer spring (11) of described switch lock one side.

7, according to the described Hand-held Anti-explosion searchlight of claim 5; it is characterized in that; described circuit board and fixture comprise the main circuit board (21) that control circuit is housed, pair circuit board (24) that holding circuit is housed and is fixed together with lamp socket; described circuit board is by many support columns (9) and many fixed legs (8) and adopt securing member (29,30,31,32,33) to be fixed on the medial surface of bonnet (28), is set with a plurality of spacers (23) on described fixed leg.

According to the described Hand-held Anti-explosion searchlight of claim 5, it is characterized in that 8, an end of described charging socket is equipped with O RunddichtringO (33).

According to the described Hand-held Anti-explosion searchlight of claim 5, it is characterized in that 9, the inboard of described thumbwheel switch is provided with the latch recess suitable with locking switch, be provided with arc notch in the lower end of thumb wheel.

According to the described Hand-held Anti-explosion searchlight of claim 1, it is characterized in that 10, described circle tube form shell body adopts high-intensity aluminum alloy materials to make.