CN113922238A - Explosion-proof distribution box and explosion-proof distribution box system - Google Patents
Explosion-proof distribution box and explosion-proof distribution box system Download PDFInfo
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- CN113922238A CN113922238A CN202111145512.3A CN202111145512A CN113922238A CN 113922238 A CN113922238 A CN 113922238A CN 202111145512 A CN202111145512 A CN 202111145512A CN 113922238 A CN113922238 A CN 113922238A
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- 238000004512 die casting Methods 0.000 claims abstract description 12
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- 238000004880 explosion Methods 0.000 claims description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
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Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
Abstract
The invention discloses an explosion-proof distribution box, which comprises a distribution box main body and a heat extraction and dust collection device, wherein the distribution box main body is formed by die-casting an explosion-proof shell and an explosion-proof inner container, the heat extraction and dust collection device is arranged at the lower end of the distribution box main body, an exhaust window is hinged at the upper end of the heat extraction and dust collection device, an exhaust fan is arranged in the heat extraction and dust collection device, dust collectors are arranged at two sides of the exhaust fan, a surge protector is arranged at one end surface of the explosion-proof inner container, a temperature sensor and a dust sensor are arranged at the other end surface of the explosion-proof inner container, waterproof sockets are arranged at two sides of the distribution box main body, an explosion-proof external box is arranged on the waterproof socket at one side, and a PLC (programmable logic controller) and a wireless transmission device are arranged in the explosion-proof external box, the device has reasonable distribution structure, simple casting process and excellent explosion-proof performance.
Description
Technical Field
The invention relates to electrical equipment, in particular to an explosion-proof distribution box and an explosion-proof distribution box system.
Background
The distribution box is a mass parameter on data, generally forms a low-voltage forest according to electrical wiring, requires that a switching device, a measuring instrument, a protective electrical appliance and an auxiliary device are assembled in a closed or semi-closed metal cabinet or on a screen to form the low-voltage distribution box, can be switched on or switched off by a manual or automatic switch in normal operation, and has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, more common application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect. When the electric energy is distributing, need use the block terminal, present block terminal does not have explosion-proof dirt-proof function, lead to the block terminal when using in summer, because inside high temperature can cause internal circuit to appear short circuit or burning, the situation that explodes even, and the dust gets into the block terminal internal adsorption on the circuit easily, cause the circuit to appear short circuit or burning easily, shortened the life of block terminal, increased cost of maintenance, thereby the practicality of block terminal has been reduced.
Disclosure of Invention
The invention aims to provide an explosion-proof distribution box and an explosion-proof distribution box system, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an explosion-proof distribution box comprises a distribution box main body and a heat extraction and dust collection device, wherein the distribution box main body is formed by die-casting an explosion-proof shell and an explosion-proof inner container, the heat extraction and dust collection device is arranged at the lower end of the distribution box main body, an exhaust window is connected to the upper end of the heat extraction and dust collection device in a hinged manner, an exhaust fan is arranged in the heat extraction and dust collection device, dust collectors are arranged on two sides of the exhaust fan, a surge protector is arranged on one end face of the explosion-proof inner container, a temperature sensor and a dust sensor are arranged on the other end face of the explosion-proof inner container, waterproof sockets are arranged on two sides of the distribution box main body, an explosion-proof external box is arranged on one side of the waterproof sockets, a PLC (programmable logic controller) and a wireless transmission device are arranged in the explosion-proof distribution box, the explosion-proof distribution box has higher safety protection level, can remotely and visually display the conduction state of a circuit through wireless transmission, and has reasonable device distribution structure, the anti-explosion device is convenient to manage, is beneficial to maintenance when a circuit fault occurs, and has simple casting process and excellent anti-explosion performance.
Preferably, the inside upper and lower junction of keeping away from case open-ended one side of distribution box main part all is connected with the strengthening rib, the strengthening rib is including strengthening chuck and reinforcing bar, strengthen the chuck and be in the reinforcing bar both ends all are provided with a pair ofly, and strengthen forming the recess between the chuck, through optimizing low pressure die casting technology, adopt low temperature resistant cast aluminium alloy, and double-deck design thickness is thicker, intensity is higher, and performance does not take place the variation under- ° C, compares with traditional product, has advantages such as high strength, low temperature resistant, difficult explosion.
Preferably, the terminal surface adopts the arc design in the explosion-proof inner bag, strengthen forming between the chuck the inseparable die-casting of recess is in explosion-proof inner bag both sides, just the reinforcing bar is the most distal strengthen the embedded die-casting of chuck and be in the explosion-proof shell, arc design impact resistance is strong, and the inseparable die-casting of chuck is in explosion-proof inner bag both sides, the contact surface laminating, the die-casting is inseparable, and explosion-proof performance is strong, and the integrality of device also can be guaranteed in the accident of blasting.
Preferably, the dust catcher includes dust absorption hose and dirt room, through threaded connection swing joint between dust absorption hose and the dirt room, sets up the dust absorption mouth of rectangular shape on the dust absorption hose, and the activity convenient to detach maintenance, clearance dust etc. and dust absorption hose can the arc around the installation, and the dust absorption area is big.
Preferably, the dust catcher is provided with two, dust absorption hose symmetry centers on in the exhaust fan outside, the exhaust window explosion-proof shell and explosion-proof inner bag all adopt magnesium and titanium total mass fraction no more than% cast aluminium alloy to make, and be connected with a plurality of bead on the exhaust window, the bead with the position that dust absorption hose set up sets up not equidirectional, and this design guarantees that the bead forms the guide plate, falls into two directions with the dust and water conservancy diversion respectively to both sides in the dust absorption hose, improve the effect of dust absorption.
Preferably, the dust collecting chamber sets up and is the ball shape, and the ball shape dismantle the connection through the screw thread on the dust collecting chamber circumference, the dust collecting chamber is kept away from one side of dust absorption hose rotates through the dust absorption motor and is connected with the suction fan, the suction fan is close to dust absorption hose's one side is installed the dust screen, can make the dust collecting chamber dismantles and is two lamellas, is convenient for clear up the dust, just the dust screen separation dust avoids the dust to pile up and is difficult to the clearance on the suction fan.
Preferably, the explosion-proof lamp is installed to the inside top of distribution box main part, explosion-proof lamp circuit end is connected with mechanical switch through internal conductor, mechanical switch installs the chamber door department that opens and shuts of distribution box main part can provide the illumination when external environment is dim, and mechanical switch's design, and the door is opened and to be triggered the lamp and bright, and this design is applicable to the maintenance person and holds repair tools, operational environment when inconvenient illumination.
Preferably, the handles are connected to two sides of the upper portion of the outer portion of the distribution box main body, the distribution box main body can be moved at any time, the distribution box is suitable for different scenes and environments, and the practicability is high.
Preferably, the terminal surface is connected with visual plastic slab outside the external box of explosion-proof, can observe the running state of internal plant, utilizes visual plastic slab to replace traditional glass window simultaneously and is the visual window, further prevents that the explosion from taking place the secondary damage that causes.
The invention also provides an explosion-proof distribution box system which comprises the PLC, protected electric equipment and a wireless transmission device, the signal input end of the PLC is connected with the temperature sensor and the dust sensor, the signal output end of the PLC controller is connected with the dust collection motor, the air exhaust motor and the explosion-proof lamp, the dust collection motor, the air exhaust motor and the explosion-proof lamp are controlled to work intermittently, the simultaneous air exhaust and dust collection is avoided, the operation effect is improved, the input end of the controller is also connected with protected electric equipment, protected consumer electric energy input is connected with surge protector, PLC controller signal output part is connected to external control ware through the long-range exchange of wireless transmission device signal, changes the system completely, and moves intelligent degree height, can carry out long-range early warning operation etc. when explosion-proof.
Compared with the prior art, the invention has the beneficial effects that: the explosion-proof distribution box has higher safety protection level, can visually display the conduction state of a circuit through wireless transmission in a remote way, is convenient to manage, is favorable for maintenance when a circuit fault occurs, and has the following specific advantages:
1. the explosion-proof power distribution box is formed by tightly casting the explosion-proof shell and the explosion-proof inner container through the power distribution box main body, the material is made of cast aluminum alloy with the total mass fraction of magnesium and titanium not more than 6%, the material is hard, the explosion-proof coefficient is high, the inner end face of the explosion-proof inner container is designed into an arc shape, if an explosion accident occurs, the arc-shaped structure of the explosion-proof inner container has a good impact resistance effect, the explosion-proof inner container has a primary buffering effect on explosion, and the explosion range is reduced through the blocking effect of the explosion-proof shell; simultaneously, all install the strengthening rib about through in distribution box main part is inside, the explosion-proof inner bag of integrative casting joint of strengthening the chuck is all passed through at the strengthening rib both ends, and the arcwall face of explosion-proof inner bag is closely laminated to its joint terminal surface, prevents that the explosion from taking place, can provide the zonulae occludens of each face of distribution box main part, is unlikely to receive the impact force and forms the piece and splash at a high speed, and to a great extent has avoided the bodily injury who brings from this, and factor of safety improves.
2. The surge protector is connected to the input end of the protected electric equipment, and under the normal condition, the surge protector is in a very high resistance state, and the leakage current is almost zero, so that the normal power supply of a power supply system is ensured. When surge overvoltage occurs in a power supply system, the power supply surge protector is immediately conducted within nanosecond time, the amplitude limit value of the overvoltage is within the safe working range of equipment, and meanwhile, surge energy is released to the ground. Then, the surge protector rapidly changes into a high-resistance state, so that normal power supply is not influenced, the protection current capacity is large, the residual voltage is extremely low, the response time is fast, the latest arc extinguishing technology is adopted, fire hazards are thoroughly avoided, a temperature control protection circuit is adopted, heat protection is built in, a power supply state indication is provided, the working state of the surge protector is indicated, the structure is precise, the work is stable and reliable, and the surge protector is suitable for an explosion-proof distribution box.
3. Through the heat extraction dust extraction that sets up, can be to the inside dust absorption that dispels the heat of distribution box main part, the electric conductivity dust is dangerous dust relatively, if get into in the electrical equipment shell will adsorb on electrically conductive parts's insulating member, cause the short circuit of circuit and the emergence of trouble, therefore, the electric conductivity dust causes the inside ignition source that produces of electrical equipment easily, consequently, heat extraction dust extraction has realized heat dissipation and dust absorption effect, and only seted up a through-hole, avoid seting up too much through-holes in the distribution box main part, influence the holistic compactness of device, the explosion-proof performance is improved.
4. Temperature value and dust value inside the distribution box main part are detected respectively through the temperature sensor and the dust sensor that set up, convey the PLC controller, the PLC controller is according to temperature value and dust value, the rotational speed of heat extraction dust extraction self-adaptation regulation dust absorption motor and the motor of airing exhaust respectively to adjust the rotational speed of extraction fan and exhaust fan, and then can be according to real-time measurement value automatically regulated, and then guaranteed the saving of electric energy, also can be timely effectual heat dissipation dust exhaust.
5. Through the wireless transmission setting, can be in the unable self-adaptation timing of distribution box main part internal circuit signal, temperature value, dust concentration abnormity, with unusual signal value transmission to external control ware, external control ware received the signal and can close remote control master switch immediately, or take protective measures etc. according to unusual data, realized remote monitoring and operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the distribution box of the present invention;
FIG. 2 is a block diagram of the electrical configuration of the electrical box system of the present invention;
FIG. 3 is a schematic view of the entire structure of the heat and dust exhaust device of the present invention;
FIG. 4 is a schematic view of the overall structure of the vacuum cleaner of the present invention;
fig. 5 is a schematic view of the overall structure of the reinforcing bar of the present invention.
In the figure: 1-distribution box body; 2-explosion-proof external box; 3-a waterproof socket; 4-an explosion-proof housing; 5-a handle; 6-explosion-proof inner container; 7-explosion-proof lamp; 8-a temperature sensor; 9-a dust sensor; 10-reinforcing ribs; 11-heat removal and dust collection device; 12-a surge protector; 13-an exhaust window; 14-a vacuum cleaner; 15-exhaust fan; 16-an exhaust motor; 17-a dust suction hose; 18-a dust suction port; 19-a threaded interface; 20-a dust collecting chamber; 21-dust filtration net; 22-an exhaust fan; 23-a dust suction motor; 24-a reinforcing chuck; 25-a groove; 26-supporting main ribs; 27-a PLC controller; 28-protected electric equipment; 29-a wireless transmission device; 30-an external controller; 31-mechanical switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
referring to fig. 1, an explosion-proof distribution box comprises a distribution box main body 1 and a heat extraction and dust collection device 11, wherein the distribution box main body 1 is formed by die-casting an explosion-proof shell 4 and an explosion-proof inner container 6, the heat extraction and dust collection device 11 is arranged at the lower end of the distribution box main body 1, an exhaust window 13 is hinged at the upper end of the heat extraction and dust collection device 11, the exhaust window 13 is embedded, the upper end surface of the exhaust window is flush with the lower end surface of the distribution box main body 1, an exhaust fan 15 is arranged in the heat extraction and dust collection device 11, dust collectors 14 are arranged at two sides of the exhaust fan 13, a surge protector 12 is arranged at one end surface of the explosion-proof inner container 6, a temperature sensor 8 and a dust sensor 9 are arranged at the other end surface of the explosion-proof inner container 6, waterproof sockets 3 are arranged at two sides of the distribution box main body 1, an explosion-proof box 2 is arranged on the waterproof socket 3 at one side, a PLC 27 and a wireless transmission device 29 are arranged in the explosion-proof outer box 2, two sides above the distribution box main body 1 are connected with a handle 5, the explosion-proof distribution box has the advantages that the main body 1 of the distribution box can be moved at any time, the distribution box is suitable for different scenes and environments, the practicability is high, the explosion-proof distribution box has higher safety protection level, the conduction state of a circuit can be visually displayed through remote wireless transmission, the distribution structure of devices is reasonable, the management is convenient, the maintenance is facilitated when a circuit fault occurs, in addition, the casting process is simple, and the explosion-proof performance is excellent.
Referring to fig. 1 and 5, junction all is connected with strengthening rib 10 about the inside case open-ended one side of keeping away from of distribution box main part 1, strengthening rib 10 is including strengthening chuck 24 and reinforcing bar 26, it all is provided with a pair ofly at reinforcing bar 26 both ends to strengthen chuck 24, and strengthen and form recess 25 between the chuck 24, through optimizing the low pressure die casting technology, adopt low temperature resistant cast aluminium alloy, double-deck design thickness is thicker, intensity is higher, and performance does not take place the variation under-40 ℃, compare with traditional product, have advantages such as high strength, low temperature resistant, be difficult for taking place the explosion.
Referring to fig. 1 and 5, the inner end surface of the explosion-proof liner 6 is in an arc design, the grooves 25 formed between the reinforcing chucks 24 are tightly die-cast on two sides of the explosion-proof liner 6, the reinforcing chucks 24 at the farthest ends of the reinforcing steel bars 26 are embedded in the explosion-proof shell 4 in a die-casting mode, the arc design is strong in impact resistance, the chucks 24 are tightly die-cast on two sides of the explosion-proof liner 6, contact surfaces are attached, the die-casting is tight, the explosion-proof performance is strong, and the integrity of the device can be guaranteed when explosion accidents occur.
Referring to fig. 3, the dust collector 14 is connected below the distribution box main body 1, the dust collector 14 includes a dust collection hose 17 and a dust collection chamber 20, the dust collection hose 17 and the dust collection chamber 20 are movably connected through a threaded connector 19, a long-strip-shaped dust collection opening 18 is formed in the dust collection hose 17, the dust collection hose 17 is movable and convenient to detach and maintain, dust is cleaned, and the dust collection hose 17 can be installed in an arc-shaped surrounding mode, so that the dust collection area is large.
Referring to fig. 1 and 3, two dust collectors 14 are provided, two dust collection hoses 17 symmetrically surround the outer side of the exhaust fan 13, the exhaust window 13, the explosion-proof shell 4 and the explosion-proof liner 6 are all made of cast aluminum alloy with the total mass fraction of magnesium and titanium not more than 6%, the exhaust window 13 is connected with a plurality of ribs, the ribs are arranged in different directions according to the positions of the dust collection hoses 17, and the design ensures that the ribs form guide plates to guide dust into two directions and respectively guide the dust into the dust collection hoses 17 on two sides, so that the dust collection effect is improved.
Referring to fig. 4, the dust collecting chamber 20 is arranged in a spherical shape, the spherical dust collecting chamber 20 is detachably connected with the dust collecting hose 17 through threads on the circumference, one side of the dust collecting chamber 20, which is far away from the dust collecting hose 17, is rotatably connected with the suction fan 22 through the dust collecting motor 23, and the dust filtering net 21 is installed on one side of the suction fan 22, which is close to the dust collecting hose 17, so that the dust collecting chamber 20 can be detached into two pieces, thereby facilitating the dust cleaning, and the dust filtering net 21 can block the dust to prevent the dust from being accumulated on the suction fan 22 and being difficult to clean.
Referring to fig. 1, explosion-proof lamp 7 is installed to the inside top of block terminal main part 1, and 7 circuit ends of explosion-proof lamp are connected with mechanical switch 31 through internal conductor, and mechanical switch 31 installs the chamber door department of opening and shutting at block terminal main part 1, can provide the illumination when external environment is dim, and mechanical switch 31's design, and the door is opened and to be triggered the lamp and bright, and this design is applicable to the maintainer hand and takes maintenance tool, the operational environment when inconvenient illumination.
Referring to fig. 1, the end face of the outer side of the explosion-proof external box 2 is connected with a visible plastic plate, so that the running state of internal equipment can be observed, and meanwhile, the visible plastic plate is used for replacing a traditional glass window as a visible window, so that secondary damage caused by explosion is further prevented.
Referring to fig. 1-2, the explosion-proof distribution box system of the invention comprises a PLC controller 27, protected electric equipment 28 and a wireless transmission device 29, wherein a signal input end of the PLC controller 27 is connected with a temperature sensor 8 and a dust sensor 9, a signal output end of the PLC controller 27 is connected with a dust suction motor 23, an air exhaust motor 16 and an explosion-proof lamp 7, the dust suction motor 23, the air exhaust motor 16 and the explosion-proof lamp 7 are controlled to work intermittently, air exhaust and dust suction are avoided simultaneously, and the operation effect is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an explosion-proof block terminal which characterized in that: comprises a distribution box main body (1) and a heat extraction and dust collection device (11), wherein the distribution box main body (1) is formed by die casting an explosion-proof shell (4) and an explosion-proof inner container (6), the heat extraction and dust collection device (11) is arranged at the lower end of the distribution box main body (1), the upper end of the heat extraction and dust collection device (11) is connected with an exhaust window (13) in a hinge mode, an exhaust fan (15) is arranged in the heat extraction and dust collection device (11), dust collectors (14) are arranged on two sides of the exhaust fan (13), a surge protector (12) is arranged on one end face of the explosion-proof inner container (6), the other end surface of the explosion-proof inner container (6) is provided with a temperature sensor (8) and a dust sensor (9), waterproof sockets (3) are arranged on two sides of the distribution box main body (1), an explosion-proof external box (2) is arranged on the waterproof socket (3) on one side, and a PLC (programmable logic controller) controller (27) and a wireless transmission device (29) are arranged in the explosion-proof external box (2).
2. An explosion-proof electrical box according to claim 1, wherein: the distribution box is characterized in that the inner part of the distribution box body (1) is far away from one side of the box opening, the upper and lower joints are connected with reinforcing ribs (10), the reinforcing ribs (10) comprise reinforcing chucks (24) and supporting main ribs (26), the reinforcing chucks (24) are arranged at two ends of the supporting main ribs (26) and are provided with a pair of reinforcing grooves (25) between the reinforcing chucks (24).
3. An explosion-proof electrical box according to claim 2, wherein: the inner end face of the explosion-proof inner container (6) is designed in an arc shape, the reinforcing chucks (24) are formed between the grooves (25) which are tightly die-cast on two sides of the explosion-proof inner container (6), and the reinforcing chucks (24) which are embedded in the explosion-proof shell (4) are die-cast on the farthest ends of the supporting main ribs (26).
4. An explosion-proof electrical box according to claim 1, wherein: the dust collector (14) comprises a dust collection hose (17) and a dust collection chamber (20), the dust collection hose (17) and the dust collection chamber (20) are movably connected through a threaded connector (19), and a long-strip-shaped dust collection opening (18) is formed in the dust collection hose (17).
5. An explosion proof electrical box according to claim 4, wherein: dust catcher (14) are provided with two, dust absorption hose (17) symmetry is centers on exhaust fan (13) the outside, exhaust window (13) explosion-proof shell (4) and explosion-proof inner bag (6) all adopt the total mass fraction of magnesium and titanium to be no longer than 6% cast aluminum alloy and make, and be connected with a plurality of bead on exhaust window (13), the bead with the position that dust absorption hose (17) set up the not equidirectional.
6. An explosion proof electrical box according to claim 4, wherein: the dust collecting chamber (20) is arranged to be spherical, the spherical dust collecting chamber (20) is connected with the circumference of the dust collecting chamber in a detachable mode through threads, one side, far away from the dust collection hose (17), of the dust collecting chamber (20) is rotatably connected with a suction fan (22) through a dust collection motor (23), and a dust filtering net (21) is installed on one side, close to the dust collection hose (17), of the suction fan (22).
7. An explosion-proof electrical box according to claim 1, wherein: explosion-proof lamp (7) are installed to distribution box main part (1) inside top, explosion-proof lamp (7) circuit end is connected with mechanical switch (31) through internal conductor, mechanical switch (31) are installed the chamber door department of opening and shutting of distribution box main part (1).
8. An explosion-proof electrical box according to claim 1, wherein: the two sides of the upper part of the outer part of the distribution box main body (1) are connected with handles (5).
9. An explosion-proof electrical box according to claim 1, wherein: the outer side end face of the explosion-proof external box (2) is connected with a visible plastic plate.
10. An explosion proof electrical box system according to claims 1 to 9, wherein: include PLC controller (27), protected consumer (28) and wireless transmission device (29), PLC controller (27) signal input part is connected with temperature sensor (8) with dust sensor (9), PLC controller (27) signal output part is connected with dust absorption motor (23), air exhaust motor (16) with explosion-proof lamp (7), PLC controller (27) input still is connected with protected consumer (28), protected consumer (28) electric energy input part is connected with surge protector (12), PLC controller (27) signal output part is connected to external control ware (30) through wireless transmission device (29) signal remote switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145512.3A CN113922238A (en) | 2021-09-28 | 2021-09-28 | Explosion-proof distribution box and explosion-proof distribution box system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145512.3A CN113922238A (en) | 2021-09-28 | 2021-09-28 | Explosion-proof distribution box and explosion-proof distribution box system |
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| CN113922238A true CN113922238A (en) | 2022-01-11 |
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| CN202111145512.3A Pending CN113922238A (en) | 2021-09-28 | 2021-09-28 | Explosion-proof distribution box and explosion-proof distribution box system |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204967069U (en) * | 2015-09-29 | 2016-01-13 | 宿州学院 | Colliery is explosion -proof switch device in pit |
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Application publication date: 20220111 |