CN211457687U - Explosion-proof electrical instrument - Google Patents
Explosion-proof electrical instrument Download PDFInfo
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- CN211457687U CN211457687U CN202020290627.6U CN202020290627U CN211457687U CN 211457687 U CN211457687 U CN 211457687U CN 202020290627 U CN202020290627 U CN 202020290627U CN 211457687 U CN211457687 U CN 211457687U
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Abstract
The utility model relates to the field of electrical instruments, in particular to an explosion-proof electrical instrument, which comprises an electrical instrument box and a box cover, the front end of the electric instrument box is provided with a sealing clamping groove, the electric instrument box is provided with a positive pressure explosion-proof mechanism, the rear end of the inner cavity of the electric instrument box is fixedly provided with an electric instrument, the lower end of the electric instrument is connected with three groups of connecting wires, the lower end of the electric instrument box is fixedly provided with three groups of wire sleeves, the wire sleeves are locked with binding tapes, the inner cavity of the electric instrument box is provided with a water cooling block at the lower end of the electric instrument, the left side and the right side of the water cooling block are respectively communicated with a first connecting pipe and a second connecting pipe which are respectively communicated with a heat exchanger, the first connecting pipe is provided with a water pump, the front end of the electric instrument box is provided with four groups of threaded holes, case lid front end is equipped with observation glass, the utility model provides an explosion-proof effectual and leakproofness and the superior electric instrument of heat dispersion.
Description
Technical Field
The utility model relates to an electrical instrument field, concretely relates to explosion-proof type electrical instrument.
Background
At present, explosion-proof electrical equipment mainly refers to electrical equipment used in dangerous places and flammable and explosive places. Common explosion-proof electrical equipment is mainly divided into an explosion-proof motor, an explosion-proof transformer, explosion-proof switch equipment, an explosion-proof lamp and the like. The production of the national explosion-proof motor starts in the early 50 s. The first explosion-proof motor in China was successfully manufactured by Jia Mus Motor factory in 1953M 3, and the explosion-proof motor industry in China was initiated. After 1958, a new batch of explosion-proof motor production plants appeared in succession. Over 40 years, explosion-proof motors have been updated for several times, and basically can meet the requirements of main industrial and mining departments such as coal, petroleum, chemical industry and the like.
An explosion-proof type electric instrument as chinese patent application number is CN201620723117.7 discloses, including electric instrument body and power-off protection device, the internally mounted of electric instrument body has electric instrument detection device, inside electric wire protection tube is installed to the below of connecting wire fixed plate, four corners in the inside of electric instrument body are installed and are promptly played the mouth, the internally mounted of electric instrument door has AVR central control treater. The utility model discloses, be provided with power protection devices on the electric wire connection device, when emergence emergency, immediate outage for the inside device of electric instrument is not electrified, and urgent bullet mouth can be bounced open electric instrument door, thereby dispel the combustible gas in the electric instrument, prevent its inside explosion, and AVR central control treater can carry information to AVR central control treater simultaneously, thereby sends the police dispatch sound, sends timely the adjusting of staff.
The device has certain explosion-proof effect, but the effect is not very ideal, and the device's leakproofness is not very good while the thermal diffusivity is not good.
To the problem, the utility model designs an explosion-proof type electric instrument.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an explosion-proof type electric instrument. The problems are solved as much as possible, so that the electric instrument with good explosion-proof effect and excellent sealing performance and heat dissipation performance is provided.
The utility model discloses a following technical scheme realizes:
an explosion-proof electrical instrument comprises an electrical instrument box and a box cover, wherein the front end of the electrical instrument box is provided with a sealing clamping groove, a positive-pressure explosion-proof mechanism is installed on the electrical instrument box, the rear end of an inner cavity of the electrical instrument box is fixedly provided with an electrical instrument, the lower end of the electrical instrument is connected with three groups of connecting wires, the lower end of the electrical instrument box is fixedly provided with three groups of wire sleeves, the wire sleeves are locked with a binding belt, the inner cavity of the electrical instrument box is provided with a water cooling block at the lower end of the electrical instrument, the left side and the right side of the water cooling block are respectively communicated with a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe are respectively communicated with a heat exchanger, a water pump is installed on the first connecting pipe, the front end of the electrical instrument box is provided with four groups of threaded, the rear end of the box cover is provided with a sealing ring which is matched with the sealing clamping groove.
Preferably, malleation explosion-proof mechanism contains baroceptor, inert gas input, inert gas output, inert gas jar and pressure controller, baroceptor fixed mounting is in electrical instrument box inner chamber left side, inert gas input and inert gas output all set up in electrical instrument box left side, pressure controller fixed mounting is outside and the inside inert gas jar that is provided with of pressure controller in electrical instrument box left side, and this inert gas jar is linked together with the inert gas input, baroceptor electric connection pressure controller, pressure controller electric connection power.
Preferably, the electric instrument electric connection power, water-cooling piece upper end contacts with the electric instrument lower extreme.
Preferably, the heat exchanger is arranged at the rear end of the electric instrument box.
Preferably, the water pump is electrically connected with a power supply.
Preferably, the observation glass is explosion-proof toughened glass.
The utility model has the advantages that: the positive pressure explosion-proof mechanism that sets up can be fine play the explosion-proof effect to electric instrument, and the line cover that sets up simultaneously uses with the ribbon cooperation can guarantee the leakproofness of device, makes positive pressure explosion-proof mechanism need not to inflate the work always, and the water pump through setting up drives water and carries out the inside temperature of thermal exchange control electric instrument case that can be fine in water-cooling piece and heat exchanger, avoids electric instrument because overheated and influences electric instrument's normal function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a rear side view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a front view of the present invention.
In the figure: 1-an electrical instrument box, 101-a sealing clamping groove, 2-a gas pressure sensor, 3-an inert gas input end, 4-an inert gas output end, 5-a pressure controller, 6-an electrical instrument, 7-a connecting wire, 8-a wire sleeve, 9-a ribbon, 10-a water cooling block, 11-a first connecting pipe, 12-a water pump, 13-a second connecting pipe, 14-a heat exchanger, 15-a threaded hole, 16-a box cover, 17-observation glass, 18-a bolt and 19-a sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, an explosion-proof electrical instrument comprises an electrical instrument box 1 and a box cover 16, wherein a sealing slot 101 is arranged at the front end of the electrical instrument box 1, a positive pressure explosion-proof mechanism is arranged on the electrical instrument box 1, an electrical instrument 6 is fixedly arranged at the rear end of an inner cavity of the electrical instrument box 1, three groups of connecting wires 7 are connected to the lower end of the electrical instrument 6, three groups of wire sleeves 8 are fixedly arranged at the lower end of the electrical instrument box 1, a binding belt 9 is locked on each wire sleeve 8, a water cooling block 10 is arranged at the lower end of the electrical instrument 6 in the inner cavity of the electrical instrument box 1, a first connecting pipe 11 and a second connecting pipe 13 are respectively communicated with the left side and the right side of the water cooling block 10, the first connecting pipe 11 and the second connecting pipe 13 are respectively communicated with a heat exchanger 14, a water pump 12 is arranged on the first connecting pipe 11, four groups of threaded, the bolt 18 is in threaded connection with the threaded hole 15, the rear end of the box cover 16 is provided with a sealing ring 19, and the sealing ring 19 is matched with the sealing clamping groove 101.
Specifically, the positive pressure explosion-proof mechanism comprises an air pressure sensor 2, an inert gas input end 3, an inert gas output end 4, an inert gas tank and a pressure controller 5, wherein the air pressure sensor 2 is fixedly arranged on the left side of the inner cavity of the electric instrument box 1, the inert gas input end 3 and the inert gas output end 4 are both arranged on the left side of the electric instrument box 1, the pressure controller 5 is fixedly arranged outside the left side of the electric instrument box 1, the inert gas tank is arranged inside the pressure controller 5, this inert gas jar is linked together with inert gas input 3, 2 electric connection pressure controller 5 of baroceptor, 5 electric connection power of pressure controller, 6 electric connection power of electric instrument, and water cooling piece 10 upper end contacts with 6 lower extremes of electric instrument, and heat exchanger 14 sets up in 1 rear end of electric instrument case, and 12 electric connection power of water pump observe glass 17 and be explosion-proof toughened glass.
In the utility model, when in use, the sealing ring 19 is clamped into the sealing clamping groove 101, the box cover 16 is connected with the electric instrument box 1 in a sealing way by four groups of bolts 18, and the positive pressure explosion-proof mechanism is started, because the positive pressure explosion-proof mechanism comprises the air pressure sensor 2, the inert gas input end 3, the inert gas output end 4, the inert gas tank and the pressure controller 5, the air pressure sensor 2 is fixedly arranged at the left side of the inner cavity of the electric instrument box 1, the inert gas input end 3 and the inert gas output end 4 are both arranged at the left side of the electric instrument box 1, the pressure controller 5 is fixedly arranged at the outer part of the left side of the electric instrument box 1, the inert gas tank is arranged inside the pressure controller 5 and is communicated with the inert gas input end 3, the air pressure sensor 2 is electrically connected with the pressure controller 5, the pressure controller 5 is electrically connected with a, inert gas in the drive inert gas jar fills in 1 inner chambers of electric instrument case, guarantee that the atmospheric pressure of 1 inner chambers of electric instrument case is higher than external atmospheric pressure value, can play fine explosion-proof effects, wire cover 8 through setting up uses the leakproofness that can guarantee the device with the cooperation of ribbon 9, make malleation explosion-proof mechanism need not to inflate the work all the time, water is driven through the water pump 12 that sets up and carries out the inside temperature that thermal exchange can be fine control electric instrument case 1 in water-cooling piece 10 and heat exchanger 14, avoid electric instrument 6 because overheated and influence electric instrument 6's normal function.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. An explosion-proof type electric instrument which characterized in that: including electrical instrument case (1) and case lid (16), electrical instrument case (1) front end is equipped with sealed draw-in groove (101), install malleation explosion-proof mechanism on electrical instrument case (1), electrical instrument case (1) inner chamber rear end fixed mounting has electrical instrument (6), electrical instrument (6) lower extreme is connected with three group's connecting wire (7), electrical instrument case (1) lower extreme fixed mounting has three group's wire sleeve (8), it has ribbon (9) to lock on wire sleeve (8), electrical instrument case (1) inner chamber is provided with water-cooling piece (10) at electrical instrument (6) lower extreme, the water-cooling piece (10) left and right sides communicates respectively has first connecting pipe (11) and second connecting pipe (13), first connecting pipe (11) and second connecting pipe (13) communicate respectively has heat exchanger (14), install water pump (12) on first connecting pipe (11), electric instrument case (1) front end is equipped with four group's screw holes (15), case lid (16) front end is equipped with observation glass (17), wear to be equipped with four group's bolt (18) on case lid (16), bolt (18) threaded connection screw hole (15), case lid (16) rear end is equipped with sealing ring (19), sealing ring (19) cooperate with sealed draw-in groove (101).
2. An explosion proof electrical meter according to claim 1, wherein: malleation explosion-proof mechanism contains baroceptor (2), inert gas input (3), inert gas output (4), inert gas jar and pressure controller (5), baroceptor (2) fixed mounting is in electrical instrument case (1) inner chamber left side, inert gas input (3) and inert gas output (4) all set up in electrical instrument case (1) left side, pressure controller (5) fixed mounting is outside and the inside inert gas jar that is provided with of pressure controller (5) in electrical instrument case (1) left side, and this inert gas jar is linked together with inert gas input (3), baroceptor (2) electric connection pressure controller (5), pressure controller (5) electric connection power.
3. An explosion proof electrical meter according to claim 1, wherein: electric instrument (6) electric connection power, water-cooling piece (10) upper end contacts with electric instrument (6) lower extreme.
4. An explosion proof electrical meter according to claim 1, wherein: the heat exchanger (14) is arranged at the rear end of the electric instrument box (1).
5. An explosion proof electrical meter according to claim 1, wherein: the water pump (12) is electrically connected with a power supply.
6. An explosion proof electrical meter according to claim 1, wherein: the observation glass (17) is explosion-proof toughened glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290627.6U CN211457687U (en) | 2020-03-11 | 2020-03-11 | Explosion-proof electrical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290627.6U CN211457687U (en) | 2020-03-11 | 2020-03-11 | Explosion-proof electrical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211457687U true CN211457687U (en) | 2020-09-08 |
Family
ID=72298077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020290627.6U Active CN211457687U (en) | 2020-03-11 | 2020-03-11 | Explosion-proof electrical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211457687U (en) |
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2020
- 2020-03-11 CN CN202020290627.6U patent/CN211457687U/en active Active
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