CN205960973U - Portable dark wet environment construction safe voltage illumination power supply unit - Google Patents

Abstract

The utility model discloses a portable dark wet environment construction safe voltage illumination power supply unit, including power supply box, power supply box support, the power supply box passes through bolted connection with the power supply box support, the power supply box is connected with 220V alternating current power supply's phase line L, work zero line N including the circuit breaker, earth -leakage protector, AC220VDC24V switching power supply, a plurality of socket and the ground protection terminal row that connect gradually, the input of circuit breaker, and 220V alternating current power supply's ground protection line, the box of power supply box, metal electrical appliance installing plate, switching power supply's earthing terminal, the earthing pole of socket all are connected with the ground protection terminal row through copper core insulated wire, the circuit breaker adopts the visible transparent outer shell circuit breaker that divides the breakpoint, and earth -leakage protector adopts specified electric leakage action current to be not more than the no auxiliary electrical power source type product that 15mA, specified electric leakage operate time were not more than 0.1s. The utility model is suitable for a construction is on -the -spot, convenient to use, security performance height.

Description

Portable dark wet environment construction safety voltage lighting power supply device

Technical field

The utility model is related to the field of illumination systems of construction site, more particularly to a kind of portable dark wet environment Construction safety voltage lighting power supply device.

Background technology

At present in the construction of the local of construction site, such as basement support system is set up, model sheetinstallat is dismantled, interior wall Plaster, night carries out pouring concrete in the plate face of the good reinforcing bar of colligation ... waits operation and use in darkness, humidity, easy electric shock environment Hand-held portable lighter, escape way, staircase illumination etc. need in the environment of safe voltage temporary lighting, and common violation job site is faced When safety technique for using electricity specification JGJ46-2005 specify directly to use the phenomenon of common 220～380V illuminator, even if adopt Secure voltage lighting system, the potential device being used is also that power is larger, heavy, moves inconvenient product, needs more Human and material resources, and be not suitable for often moving use；Because transformer work is unloaded certainly consumes electric energy when small area uses Ratio is larger, wastes the energy；And transformer itself does not have short circuit, electric leakage, overload, overvoltage, the defencive function such as overheated.Building In construction, each replacement operation place, if desired for temporary lighting, is required for into components such as line transformer, breaker, earth leakage protective devices Reinstall, in-convenience in use, time-consuming take a lot of work, and in dark, moist, easy electric shock environment rain-proof, dust prevention less than Position, security performance is low, and application place is few.

The safe voltage providing under a kind of monolithic devices, tool and the construction for dark wet environment easy to use is therefore provided badly Lighting power supply system is solving the above problems.

Utility model content

Technical problem to be solved in the utility model is that the portable dark wet environment providing a kind of monolithic devices, miniaturization is applied Work safe voltage lighting power supply device, easy to use, security performance is high.

For solving above-mentioned technical problem, the technical scheme that the utility model adopts is：There is provided a kind of movable type secretly wet Environment construction safety voltage lighting power supply device, including power supply box, power supply box bracket, power supply box passes through bolt with power supply box bracket Connect；Power supply box includes metal chamber door, casing, and metal chamber door is connected with casing using braiding annealed copper wire, includes installing in casing If the breaker on metal appliance mounting panel, earth leakage protective device, AC220V/DC24V Switching Power Supply stem socket, ground protection Terminal block, if breaker, earth leakage protective device, AC220V/DC24V Switching Power Supply stem socket are connected successively using copper core insulated conductor Connect, the input of breaker is connected with phase line L of 220V AC power, working zero line N, the ground protection of 220V AC power Line, the casing of power supply box, metal appliance mounting panel, the earth terminal of AC220V/DC24V Switching Power Supply, socket earthing pole all logical Cross copper core insulated conductor to be electrically connected with ground protection terminal block；Breaker adopts the transparent outer cover breaker of visible breakpoint, Earth leakage protective device adopts the no auxiliary electricity that rated residual operating current is not more than 15mA, specified electric leakage actuation time no more than 0.1s Source type product, the material of power box body is cold-rolled steel sheet or flame-retardant insulating material, and the material of power supply box bracket is metal material.

In one preferred embodiment of the utility model, AC220V/DC24V Switching Power Supply adopts AC220V/DC24V low pressure Transformer, the input of its primary side operating current is not more than 15A, 220V alternating current is converted to 24V direct current and faces for job site The safety power supply output device of Shi Zhaoming uses, small volume, lightweight, be easy to move.

In one preferred embodiment of the utility model, socket adopts the Three-hole socket with ground protection line tie point, Use for job site temporary lighting light fixture.

In one preferred embodiment of the utility model, the central point of power supply box and the vertical range on ground are 0.8 1.6m, meets the regulation of job site temporary electricity technical specification of security JGJ46-2005.

In one preferred embodiment of the utility model, the breaker on metal appliance mounting panel in power supply box, electric leakage are protected The distance between shield device, AC220V/DC24V Switching Power Supply are not less than 30mm.

The beneficial effects of the utility model are：The utility model utilizes high performance mini variable-voltage power supply, highly sensitive protection electricity Device is assembled into the safe voltage power supply case of monolithic devices, meets the construction requirement of safety, energy-saving and environmental protection, can be directly from two grades, three-level Distribution box accesses power supply, makes safe voltage construction illumination system tool, miniaturization, can carry out, according to construction site size, cover more Flexible combination uses, applied widely, easy to use, thus avoid many occasions repeated plant putting into, has saved equipment purchasing Expense and use cost；

Described portable dark wet environment construction safety voltage lighting power supply device is applied to construction site, can be in base Plinth, basement, night is when the plate face tying reinforcing bar is poured the dark wet environment such as concrete, easily electric shock construction operation occurred as safe voltage Mains lighting supply output device uses, fundamentally solve the movement of each construction site be required for each electric elements of in-site installation, The time-consuming situation of transformer, and power supply box unifies assembling and can realize regulation and standardization, is assembled in advance, plus The fast construction and installation time, it is ensured that assembling quality, has saved construction cost.

Brief description

Fig. 1 is the system construction drawing of described power supply box one preferred embodiment；

Fig. 2 is the systematic schematic diagram of described power supply box one preferred embodiment；

In accompanying drawing, the mark of each part is as follows：1st, power supply box, 2, breaker, 3, earth leakage protective device, 4, AC220V/DC24V Switching Power Supply, 5, socket, 6, ground protection terminal block.

Specific embodiment

Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model Can be easier to be readily appreciated by one skilled in the art with feature, thus make apparent clear and definite to protection domain of the present utility model Define.

Refer to Fig. 1 and Fig. 2, the utility model embodiment includes：

A kind of portable dark wet environment construction safety voltage lighting power supply device, including power supply box 1, power supply box bracket, electricity Source case 1 is firmly connected by bolt with power supply box bracket.Power supply box 1 includes metal chamber door, casing, and metal chamber door is soft using braiding Copper cash is connected with casing, and casing adopts cold-rolled steel sheet or flame-retardant insulating material to make, and steel plate thickness should be 1.2～2.0mm, casing Preservative treatment is done so as to have rain-proof, dust reduction capability in surface.Power supply box bracket adopts metal material to make, and reaches firm, support Smoothly require.The central point of power supply box 1 and the vertical range on ground are 0.8 1.6m.

The breaker 2 that includes in the casing of power supply box 1 being arranged on metal appliance mounting panel, earth leakage protective device 3, If AC220V/DC24V Switching Power Supply 4 stem socket 5, ground protection terminal block 6.Breaker 2, earth leakage protective device 3, AC220V/ If DC24V Switching Power Supply 4 stem socket 5 is sequentially connected using copper core insulated conductor, the number of socket 5 shown in figure is 5.Disconnected The input of road device 2 is connected with phase line L of 220V AC power, working zero line N, at the construction field (site) can be directly from two, three-level Distribution box accesses power supply, and the ground protection line of 220V AC power, the casing of power supply box 1, metal appliance mounting panel (do not show by figure Go out), the earth terminal of AC220V/DC24V Switching Power Supply 4, the earthing pole of socket 5 is all by copper core insulated conductor and ground protection end Son row 6 electrical connection.

AC220V/DC24V Switching Power Supply 4 adopts AC220V/DC24V low-tension transformer, and its primary side operating current inputs It is not more than 15A, 220V alternating current is converted to 24V direct current to be made for the safety power supply output device of job site temporary lighting With, small volume, lightweight, be easy to move.Breaker 2 adopts the transparent outer cover breaker of visible breakpoint, and can simultaneously switch off Power supply L, N pole.Earth leakage protective device 3 is not more than 15mA using rated residual operating current, specified electric leakage actuation time is not more than The no accessory power supply type product of 0.1s, socket 5 is using the Three-hole socket with ground protection line tie point, interim for job site Lighting uses, and the number of socket 5 is determined by the power output size of AC220V/DC24V Switching Power Supply 4.

Taking using primary side the input current no more than power supply box 1 of the AC220V/DC24V Switching Power Supply 4 of 15A as a example, its Technical parameter is as follows：

1st, nominal input voltage：AC 180～264VAC；

2nd, exchange incoming frequency：47Hz～63Hz；

3rd, direct current output scope：24V, 0～14.6A；

4th, output voltage precision：± 1%；

5th, output voltage adjusting range：± the 10% of rated output voltage；

6th, efficiency：87%；

7th, overload protection：Overcurrent o'clock 105%～135%, constant current current limliting, automatically recover；

8th, overvoltage protection：The 115%～145% of rated output voltage, restarts reply；

9th, short-circuit protection：Momentary excess current electrical apparatus release current setting is 10In；

10th, earth leakage protective：Residual operating current≤15mA, specified electric leakage actuation time≤0.1s；

11st, overtemperature protection：75 DEG C ± 5 DEG C (turning off voltage, automatically recover after cooling)；

12nd, operating temperature：- 20 DEG C～+60 DEG C.

In conjunction with Fig. 1 and Fig. 2, the power supply box 1 of described portable dark wet environment construction safety voltage lighting power supply device from two, Three-level distribution box introduces exchange L+N+PE 220V power supply, and L+N inputs AC220V/DC24V after breaker 2 and earth leakage protective device 3 Switching Power Supply 4, Switching Power Supply 4 exports DC24V direct current.Power supply box 1 is not to be exceeded 3m with the distribution box distance accessing power supply, and Power supply box should arrange reliable multiple grounding, and earth resistance is not more than 4 Ω.

When making power supply box 1, electric elements are fastened on metal appliance mounting panel by layout design assigned position, metal The distance between breaker 2 on appliance mounting panel, earth leakage protective device 3, AC220V/DC24V Switching Power Supply 4 are not less than 30mm. Copper core insulated conductor is adopted to connect electric elements, the color of insulated conductor should be met by code requirement configuration simultaneously marshalling Design requirement and building electric engineering construction quality accident specification (GB50303-2002) and the safe skill of job site temporary electricity The regulation of art specification JGJ46-2005.Finally the erecting bay for electric apparatus installing is loaded casing.The electric power incoming line of power supply box 1 Must not be flexibly connected using plug and socket.After power supply box 1 installs, daily using before, leak(age) test should be started and press Trial jump of button once, is forbidden when trial jump is abnormal to be continuing with.Power supply box 1 should be arranged on and is dried, divulges information and normal temperature place, no Must be installed in gas, flue gas moisture and other hazardous mediums of major injury effect, also must not be installed in easily by external solid Body shock, judder, liquid leaching are splashed and heat source for baking place.Otherwise, protective treatment should be done.Surrounding should have enough 2 people simultaneously The space of operation and passage, must not stack any article hindering Operation and maintenance, must not have shrub and weeds.

The utility model is assembled into the safe voltage of monolithic devices using high performance mini variable-voltage power supply, highly sensitive protection electrical equipment Power supply box, meets the construction requirement of safety, energy-saving and environmental protection, can make safe electricity directly from two grades, three-level distribution box access power supply Pressure construction illumination system tool, miniaturization, can carry out the flexible combination that cover according to construction site size more and use, the scope of application Extensively, easy to use, thus avoid many occasions repeated plant putting into, save equipment purchasing expense and use cost；Described shifting Dynamic formula dark wet environment construction safety voltage lighting power supply device is applied to construction site, can exist in basis, basement, night The plate face tying reinforcing bar is poured the dark wet environment such as concrete, is easily occurred during electric shock construction operation as safe voltage mains lighting supply output device Use, fundamentally solve the movement of each construction site be required for each electric elements of in-site installation, transformer time-consuming Situation, and power supply box unifies assembling and can realize regulation and standardization, is assembled in advance, accelerates the construction and installation time, Ensure that assembling quality, save construction cost.

The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every The equivalent structure made using the utility model specification and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in Other related technical fields, are all included in the same manner in scope of patent protection of the present utility model.

Claims (5)

1. a kind of portable dark wet environment construction safety voltage lighting power supply device is it is characterised in that include power supply box, power supply box Support, power supply box is bolted with power supply box bracket；Power supply box includes metal chamber door, casing, and metal chamber door is using braiding Annealed copper wire is connected with casing, the interior breaker including being arranged on metal appliance mounting panel of casing, earth leakage protective device, AC220V/ If DC24V Switching Power Supply stem socket, ground protection terminal block, breaker, earth leakage protective device, AC220V/DC24V Switching Power Supply, If stem socket is sequentially connected using copper core insulated conductor, phase line L of the input of breaker and 220V AC power, working zero line N is connected, the ground protection line of 220V AC power, the casing of power supply box, metal appliance mounting panel, AC220V/DC24V switch The earth terminal of power supply, the earthing pole of socket are all electrically connected by copper core insulated conductor and ground protection terminal block；Breaker is adopted With the transparent outer cover breaker of visible breakpoint, earth leakage protective device is using rated residual operating current no more than 15mA, specified leakage Electric actuation time is not more than the no accessory power supply type product of 0.1s, and the material of power box body is cold-rolled steel sheet or fire retardant insulating material Material, the material of power supply box bracket is metal material.

2. portable dark wet environment construction safety voltage lighting power supply device according to claim 1 it is characterised in that AC220V/DC24V Switching Power Supply adopts AC220V/DC24V low-tension transformer, and the input of its primary side operating current is not more than 15A.

3. portable dark wet environment construction safety voltage lighting power supply device according to claim 1 is it is characterised in that insert Seat is using the Three-hole socket with ground protection line tie point.

4. portable dark wet environment construction safety voltage lighting power supply device according to claim 1 is it is characterised in that electricity The central point of source case and the vertical range on ground are 0.8 1.6m.

5. portable dark wet environment construction safety voltage lighting power supply device according to claim 1 is it is characterised in that electricity The distance between breaker on metal appliance mounting panel in the case of source, earth leakage protective device, AC220V/DC24V Switching Power Supply be not little In 30mm.