CN209448455U - Mine explosion-suppression and intrinsic safety type DC power supply - Google Patents

Abstract

The utility model discloses mine explosion-suppression and intrinsic safety type DC power supplies, including shell and inner casing, and the interior of shell is equipped with inner casing, and inner casing and shell are welded on plate top surface, and heat insulation foam is filled between the shell and inner casing.In the utility model, using sealed wiring case, after grab is rotated out of socket component by user, i.e. openable chamber door, after opening chamber door, banjo is inserted into connection jaws, then connecting line is caught at outlet hole, close chamber door, sealed silicon rubber mat at line outlet groove is press-connected line, fill up the gap at connecting line and outlet hole, play the role of sealing, simultaneously, the sealed silicon rubber mat at chamber door edge squeezes sealed wiring case side wall, fill up the gap between chamber door and sealed wiring case, equally play the role of sealing, to make that the state of sealing is presented inside entire sealed wiring case, it avoids contacting with ambient atmos, reduce the danger of spark igniting gas, using safer.

Description

Mine explosion-suppression and intrinsic safety type DC power supply

Technical field

The utility model relates to mine explosion-suppression and intrinsic safety type technical field of direct current power more particularly to mine explosion-suppression and intrinsic safeties Type DC power supply.

Background technique

Mine explosion-suppression and intrinsic safety type DC power supply is that the various electronic equipments of underground coal mine, control instrument, measuring instrument must not The safe power supply device that can lack, it can provide the voltage and current for meeting safety of coal mines requirement, be to ensure that coal mine electronic device is pacified The safeguard of row for the national games is also to ensure that one of the important measures of Safety of Coal Mine Production.

Mine-used I. S DC power supply at this stage tends not to be fully sealed in connecting part, when electric power starting, often Electric spark can be generated, if combustable gas concentration is larger in mine, is easy to happen explosion, and traditional Mine-used I. S DC power supply It also needs to be sealed with lute in after carefully connecting the wire, wiring work is complicated, and repeated disassembled and assembled will lead to lute in Waste, and Mine-used I. S DC power supply shell at this stage mostly uses single-layer metal shell, and outside is coated with three-proofing coating, Heat-insulating efficiency and explosion-proof inefficient, in view of the above-mentioned problems, spy proposes a kind of mine explosion-suppression and intrinsic safety type DC power supply to solve The above problem.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and the mine explosion-suppression and intrinsic safety proposed Type DC power supply.

To achieve the goals above, the utility model adopts the technical scheme that mine explosion-suppression and intrinsic safety type direct current Source, including shell and inner casing, the interior of shell are equipped with inner casing, and inner casing and shell are welded on plate top surface, the shell and Heat insulation foam is filled between inner casing, and one side surface of shell is embedded with connection jaws, and is located at shell side table on the outside of connection jaws Face has been bolted sealed wiring case, and the positive facade of sealed wiring case is hinged with chamber door, and chamber door side offers line outlet groove, And chamber door edge is pasted with sealed silicon rubber mat, and the outlet groove edge is pasted with sealed silicon rubber mat, and outlet groove center is stayed and set There is outlet hole.

It is as above-mentioned technical proposal to further describe:

The inner housing inner is fixedly connected with main storage battery, and main storage battery side be located at inner housing inner be fixedly connected with it is standby With battery, and the standby battery other side is located at main storage battery side and is fixedly connected with electric appliance component, the electric appliance component The other side is located at inner housing inner and is fixedly connected with power supply indicator, and inner casing and outer casing top surface have been bolted top plate, and push up Plate surface, which is located at right above power supply indicator, is embedded with observation window, and another side surface of shell is equipped with typhon mouth and toy trumpet Mouthful.

It is as above-mentioned technical proposal to further describe:

The electric appliance component is electrically connected by conducting wire with connection jaws, and electric appliance component passes through conducting wire and typhon mouth and small loudspeaker The electrical connection of mouth, the electric appliance component and main storage battery and standby battery are in parallel.

It is as above-mentioned technical proposal to further describe:

One of them described chamber door surface is welded with shaft, another described chamber door surface is welded with socket component, and described turn Axis surface is welded with grab, and grab one end and socket component grafting.

It is as above-mentioned technical proposal to further describe:

The electric appliance component includes including charging plate module, AC/DC power module, safety protection circuit module and and AC/ The transformer of DC power module electrical connection.

It is as above-mentioned technical proposal to further describe:

The main storage battery and standby battery are nickel hydrogen storage battery.

In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:

1, in the utility model, sealed wiring case, after grab is rotated out of socket component by user, i.e., openable case are used Door after opening chamber door, banjo is inserted into connection jaws, then connecting line is caught at outlet hole, closes chamber door, outlet Sealed silicon rubber mat at slot is press-connected line, fills up the gap at connecting line and outlet hole, plays the role of sealing, meanwhile, case The sealed silicon rubber mat at door edge squeezes sealed wiring case side wall, fills up the gap between chamber door and sealed wiring case, equally plays The effect of sealing avoids contacting with ambient atmos, reduces fire to make the state that sealing is presented inside entire sealed wiring case The danger of flower igniting gas, use is safer, meanwhile, when wiring, does not need to avoid sealant using lute in The waste of mud, while also enabling present apparatus wiring more convenient, facilitate carrying and installation.

2, in the utility model, shell, inner casing and heat insulation foam are used, heat insulation foam is filled between shell and inner casing, it can Inner housing inner temperature is obstructed to external diffusion, so that the present apparatus is more suitable for thermal response sensitizing range in mine, expands the present apparatus Use scope, while inner casing and shell are all made of metal material, and quality is hard, plays dual explosion-proof effect, make this Device is more secure and reliable to use.

Detailed description of the invention

Fig. 1 be the utility model proposes mine explosion-suppression and intrinsic safety type DC power supply structural schematic diagram；

Fig. 2 be the utility model proposes mine explosion-suppression and intrinsic safety type DC power supply top view；

Fig. 3 is the main view of the utility model sealed container door.

Marginal data:

1- shell, 2- inner casing, 3- heat insulation foam, 4- power supply indicator, 5- sealed wiring case, 6- sealed silicon rubber mat, 7- chamber door, 8- connection jaws, 9- shaft, 10- grab, 11- socket component, 12- electric appliance component, 13- standby battery, 14- main storage battery, 15- are big Horn mouth, 16- toy trumpet mouth, 17- bottom plate, 18- top plate, 19- observation window, 20- line outlet groove, 21- outlet hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, mine explosion-suppression and intrinsic safety type DC power supply, including shell 1 and inner casing 2 are equipped with inner casing inside shell 1 2, and inner casing 2 and shell 1 are welded on 17 top surface of bottom plate, and heat insulation foam 3, and 1 side table of shell are filled between shell 1 and inner casing 2 Face is embedded with connection jaws 8, and is located at 1 one side surface of shell on the outside of connection jaws 8 and has been bolted sealed wiring case 5, and sealing connects The positive facade of line case 5 is hinged with chamber door 7, and 7 side of chamber door offers line outlet groove 20, and 7 edge of chamber door is pasted with sealed silicone Pad 6,20 edge of line outlet groove is pasted with sealed silicon rubber mat 6, and 20 center of line outlet groove is installed with outlet hole 21.

It is fixedly connected with main storage battery 14 inside inner casing 2, and 14 side of main storage battery is located inside inner casing 2 and is fixedly connected with Standby battery 13, and 13 other side of standby battery is located at 14 side of main storage battery and is fixedly connected with electric appliance component 12, electricity 12 other side of device assembly, which is located inside inner casing 2, is fixedly connected with power supply indicator 4, and inner casing 2 and 1 top surface of shell have been bolted Top plate 18, and 18 surface of top plate is located at right above power supply indicator 4 and is embedded with observation window 19, and another side surface of shell 1 is equipped with Typhon mouth 15 and toy trumpet mouth 16, electric appliance component 12 is electrically connected by conducting wire with connection jaws 8, and electric appliance component 12 passes through conducting wire It is electrically connected with typhon mouth 15 and toy trumpet mouth 16,13 parallel connection of electric appliance component 12 and main storage battery 14 and standby battery, wherein One 7 surface of chamber door is welded with shaft 9, another 7 surface of chamber door is welded with socket component 11, and 9 surface of shaft is welded with grab 10, And 10 one end of grab and 11 grafting of socket component, electric appliance component 12 include including charging plate module, AC/DC power module, this security Protection circuit module and the transformer being electrically connected with AC/DC power module, main storage battery 14 and standby battery 13 are that ni-mh stores Battery, there are two the settings of power supply indicator 4, and one of power supply indicator 4 is connect with main storage battery 14, another power supply refers to Show that lamp 4 is connect with standby battery 13, when main storage battery 14 is out of power, power supply indicator 4 corresponding to main storage battery 14 is closed, Standby battery 13 starts, and power supply indicator 4 corresponding to standby battery 13 is opened, and user can be observed by observation window 19 Internal electric source situation, charges in time, and shell 1 and inner casing 2 and top plate 18 and bottom plate 17 are to be tightly connected, sealed wiring case 5 Gasket is equipped between shell 1, inner casing 2 and shell 1 are metal material, and 21 diameter of outlet hole is less than connection linear diameter.

Working principle: in use, when carrying out wiring, it is after grab 10 is rotated out of socket component 11 by user, i.e., openable Chamber door 7 after opening chamber door 7, banjo is inserted into connection jaws 8, then connecting line is caught at outlet hole 21, closes case Door 7, the sealed silicon rubber mat 6 at line outlet groove 20 are press-connected line, fill up the gap at connecting line and outlet hole 21, play sealing Effect, meanwhile, the sealed silicon rubber mat 6 at 7 edge of chamber door squeezes 5 side wall of sealed wiring case, fill up chamber door 7 and sealed wiring case 5 it Between gap, equally play the role of sealing, to make the state that sealing is presented inside entire sealed wiring case 5, then rotate Grab 10 can close chamber door 7, avoid contacting with ambient atmos, reduce spark into 10 one end of grab insertion socket component 11 The danger of igniting gas, use is safer, meanwhile, when wiring, does not need to avoid lute in using lute in Waste, while also enabling present apparatus wiring more convenient, facilitate carrying and installation, meanwhile, be filled between shell 1 and inner casing 2 Heat insulation foam 3 can obstruct 2 internal temperature of inner casing to external diffusion, the present apparatus is made to be more suitable for thermal response sensitizing range in mine, Expand the use scope of the present apparatus, while inner casing 2 and shell 1 are all made of metal material, quality is hard, plays dual explosion-proof Effect, keep the present apparatus more secure and reliable to use.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. mine explosion-suppression and intrinsic safety type DC power supply, including shell (1) and inner casing (2), which is characterized in that in the shell (1) Portion is equipped with inner casing (2), and inner casing (2) and shell (1) are welded on bottom plate (17) top surface, fill out between the shell (1) and inner casing (2) Filled with heat insulation foam (3), and (1) one side surface of shell is embedded with connection jaws (8), and is located at shell (1) one on the outside of connection jaws (8) Side surface has been bolted sealed wiring case (5), and the positive facade of the sealed wiring case (5) is hinged with chamber door (7), and chamber door (7) Side offers line outlet groove (20), and chamber door (7) edge is pasted with sealed silicon rubber mat (6), and line outlet groove (20) edge is viscous It posts sealed silicon rubber mat (6), and line outlet groove (20) center is installed with outlet hole (21).

2. mine explosion-suppression and intrinsic safety type DC power supply according to claim 1, which is characterized in that the inner casing (2) is internal It is fixedly connected with main storage battery (14), and main storage battery (14) side is located at inner casing (2) inside and is fixedly connected with standby battery (13), and standby battery (13) other side is located at main storage battery (14) side and is fixedly connected with electric appliance component (12), described Electric appliance component (12) other side, which is located inside inner casing (2), to be fixedly connected with power supply indicator (4), and inner casing (2) and shell (1) top Face has been bolted top plate (18), and top plate (18) surface is located at power supply indicator (4) surface and is embedded with observation window (19), Another side surface of the shell (1) is equipped with typhon mouth (15) and toy trumpet mouth (16).

3. mine explosion-suppression and intrinsic safety type DC power supply according to claim 2, which is characterized in that the electric appliance component (12) It is electrically connected by conducting wire with connection jaws (8), and electric appliance component (12) passes through conducting wire and typhon mouth (15) and toy trumpet mouth (16) Electrical connection, the electric appliance component (12) and main storage battery (14) and standby battery (13) are in parallel.

4. mine explosion-suppression and intrinsic safety type DC power supply according to claim 1, which is characterized in that one of them described chamber door (7) surface is welded with shaft (9), another described chamber door (7) surface is welded with socket component (11), shaft (9) the surface weldering It is connected to grab (10), and grab (10) one end and socket component (11) grafting.

5. mine explosion-suppression and intrinsic safety type DC power supply according to claim 2, which is characterized in that the electric appliance component (12) Including charging plate module, AC/DC power module, safety protection circuit module and the transformer being electrically connected with AC/DC power module.

6. mine explosion-suppression and intrinsic safety type DC power supply according to claim 2, which is characterized in that the main storage battery (14) It is nickel hydrogen storage battery with standby battery (13).