CN110231790A - Explosion-proof loop control unit - Google Patents
Explosion-proof loop control unit Download PDFInfo
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- CN110231790A CN110231790A CN201910504560.3A CN201910504560A CN110231790A CN 110231790 A CN110231790 A CN 110231790A CN 201910504560 A CN201910504560 A CN 201910504560A CN 110231790 A CN110231790 A CN 110231790A
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- Prior art keywords
- pcb board
- explosion
- loop control
- assembling shell
- control unit
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Casings For Electric Apparatus (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention belongs to control equipment technical field, more particularly to a kind of explosion-proof loop control unit, including assembling shell, upper cover body and control mould group, assembling shell has opening, upper cover body is covered on the opening of assembling shell, controlling mould group includes the first pcb board, control module and wiring mechanism, first pcb board is set in assembling shell, control module is set on pcb board, wiring mechanism is set to the opening of assembling shell and is electrically connected with pcb board, wiring mechanism is used to for extraneous cable and pcb board being electrically connected, and the inside of wiring mechanism and assembling shell is enclosed to form encapsulation area.The electronic components such as the first pcb board and control module envelope is set in explosion-proof sealing, even if such electronic components such as the first pcb board and control module generate electric arc and spark at work, the imflammable gas that will not be ignited around explosion-proof loop control unit, has been obviously improved the service safety of explosion-proof loop control unit.
Description
Technical field
The invention belongs to control equipment technical field more particularly to a kind of explosion-proof loop control unit.
Background technique
Loop control unit exports the process control equipment of single signal as a kind of reception multiple input signals, is widely applied
The connection of lighting apparatus is managed in the industries such as metallurgy, chemical industry, petroleum, electric power, especially petrochemical industry.
In petrochemical industry, often there are imflammable gas and dust in the Service Environment of loop control unit,
Once the electrical parts such as internal control module are when generation electric arc and spark, then the imflammable gas and dust of the surrounding that is easy to ignite,
There are security risks.
Summary of the invention
The purpose of the present invention is to provide a kind of explosion-proof loop control units, it is intended to solve in the prior art in fuel gas
The loop control unit being on active service in environment there is technical issues that inflammable etc..
To achieve the above object, the technical solution adopted by the present invention is that: a kind of explosion-proof loop control unit, including assembly shell
Body, upper cover body and control mould group, the top of the assembling shell have opening, and the upper cover body is covered on the assembling shell
Opening, the control mould group include the first pcb board, control module and wiring mechanism, and first pcb board is set to the dress
With in shell, the control module is set on the pcb board, and the wiring mechanism is set to the opening of the assembling shell
And be electrically connected with the pcb board, the wiring mechanism is used to for extraneous cable and the pcb board being electrically connected, and described
The inside of wiring mechanism and the assembling shell is enclosed to form encapsulation area.
Further, the wiring mechanism includes installing frame and is used for the extraneous cable and first pcb board
The connector assembly of electric connection, the connector assembly are set in the installing frame, and the installing frame is embedded at the assembly shell
The opening of body.
Further, the connector assembly includes terminal plate, mounting plate, several connecting terminals and several is connected to mounting plate
On demarcation plate, the terminal plate is set in the installing frame, and the mounting plate and each demarcation plate are mounted on described
On terminal plate, assembly space is formed between the demarcation plate of adjacent two, the first end of each connecting terminal is and described
First pcb board is electrically connected, and the second end of each connecting terminal wears the terminal plate and protrudes into the assembly space,
To be electrically connected with the extraneous cable.
Further, the wiring mechanism further includes several guiding fixation kits, and each guiding fixation kit includes
Fastening gasket, guider screw and junction block, the fastening gasket are sheathed on the guider screw, and the guider screw is fed through
The corresponding connecting terminal is simultaneously threadedly connected to the junction block, and the fastening gasket and connecting terminal fitting setting are simultaneously
For clamping the extraneous cable.
Further, the two sides of each junction block in the width direction have been bent to form limit film respectively, two sides it is described
Opposite sides edge of the limit film respectively with the corresponding connecting terminal abuts against.
Further, the control module is RF433 module, and the RF433 module is welded on first pcb board,
The explosion-proof loop control unit is set to connect by 4G communication and cable communication with extraneous control terminal.
Further, the explosion-proof loop control unit further includes transmitting antenna, the RF433 module by electric connection line and
The transmitting antenna is electrically connected.
Further, the opposite sides inner wall of the assembling shell is each formed with guide groove, first pcb board it is opposite
Both sides of the edge are inserted in respectively in two guide grooves.
Further, the power supply mould that the control mould group further includes the second pcb board and is set on second pcb board
Block, second pcb board are installed in the assembling shell and are electrically connected with first pcb board.
Further, the inner sidewall of the upper cover body is formed with assembly loop order, and the lower end surface of the assembly loop order offers
Annular groove is assembled, the assembly annular groove, which embeds, is equipped with sealing ring, and the upper end-face edge of the sealing ring and the assembling shell abuts against.
Beneficial effects of the present invention: explosion-proof loop control unit of the invention, by the way that the first PCB is arranged in assembling shell
Plate, control module and wiring mechanism, so extraneous cable can realize electrical connection by wiring mechanism and the first pcb board,
And then it realizes and outer signals is inputted into the control module being installed on the first pcb board.And since wiring mechanism is set to assembly shell
The opening of body, in this way its just can enclose to set together to form encapsulation area in assembling shell, then when explosion-proof loop control unit needs
When applied to there are in the working environment of the flammable and explosive substances such as fuel gas, explosion-proof sealing can be perfused into encapsulation area,
So that the electronic components such as the first pcb board and control module envelope is set in explosion-proof sealing, even if so the first pcb board and control
The electronic components such as molding block generate electric arc and spark at work, the combustibility around the explosion-proof loop control unit that will not ignite
Gas has just been obviously improved the safety that explosion-proof loop control unit is on active service in fuel gas environment in this way.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of explosion-proof loop control unit provided in an embodiment of the present invention；
Fig. 2 is another structural schematic diagram of explosion-proof loop control unit provided in an embodiment of the present invention；
Fig. 3 is the configuration schematic diagram of explosion-proof loop control unit provided in an embodiment of the present invention；
Fig. 4 is the Section View of the line A-A along Fig. 2；
The partial structure diagram of the wiring mechanism of Fig. 5 explosion-proof loop control unit provided in an embodiment of the present invention；
The structural representation of the guiding fixation kit and connecting terminal of Fig. 6 explosion-proof loop control unit provided in an embodiment of the present invention
Figure；
The detonation configuration of the guiding fixation kit and connecting terminal of Fig. 7 explosion-proof loop control unit provided in an embodiment of the present invention
Schematic diagram；
The structural schematic diagram of the assembling shell of Fig. 8 explosion-proof loop control unit provided in an embodiment of the present invention.
Wherein, each appended drawing reference in figure:
10-11-encapsulation of assembling shell area, 12-guide grooves
13-gib block 14-installation part, 15-lower connecting ears
16-20-upper cover body of nameplate, 21-assembly loop orders
22-23-intrinsic safety of sealing ring area, 24-first through hole
25-Ge Lan connector 26-stiffener, 27-upper connecting ears
28-clamping screw 30-control the 31-the first pcb boards of mould group
32-33-wiring mechanism of control module, 34-guiding fixation kits
35-the second 40-transmitting antenna of pcb board 50-explosion-proof sealing
331-installing frame 332-connector assembly, 333-terminal plates
334-mounting plate 335-demarcation plate, 336-assembly spaces
337-connecting terminal 338-pin, 339-stiffener plates
340-strengthening rib strip 341-fastening gasket, 342-guider screws
343-junction block 344-limit film, 3331-glue filling openings
3391-guiding faces.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment that Fig. 1~8 is described is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figures 1 to 3, the embodiment of the invention provides a kind of explosion-proof loop control units, including assembling shell 10, upper cover
Body 20 and control mould group 30.Wherein, the top of assembling shell 10 has opening, and upper cover body 20 is covered on the opening of assembling shell 10
Place.Specifically, upper cover body 20 can by being embedded, screw is fixed and the modes such as sealing is fixed are covered on the opening of assembling shell 10
Place.
Further, control mould group 30 includes the first pcb board 31, control module 32 and wiring mechanism 33.Wherein, first
Pcb board 31 is set in assembling shell 10, and control module 32 is set on pcb board.Control module 32 can pass through first in this way
Pcb board 31 is electrically connected with extraneous relevant device realization.And wiring mechanism 33 is then set to the opening and and PCB of assembling shell 10
Plate is electrically connected, and wiring mechanism 33 is used to for extraneous cable and pcb board being electrically connected.Such control module 32 can be by connecing
The cable of line mechanism 33 and extraneous signal input device is electrically connected.And since wiring mechanism 33 is set to assembling shell 10
Opening, explosion-proof loop control unit has just substantially been divided into two pieces of regions, one is wiring mechanism 33 and upper cover body 20
The intrinsic safety area 23 surrounded, for accessing extraneous cable and being provided and extraneous fuel gas isolation for the access of extraneous cable
Assembly environment.It the second is the inside of wiring mechanism 33 and assembling shell 10 is enclosed to form encapsulation area 11, and then is installing
In the first pcb board 31 and the equal electronic components offer sealing explosion-proof environment of control module 32 in assembling shell 10, so use
The explosion-proof mode of encapsulation frame intrinsic safety can be at least up to the degree of protection of IP65 standard.
Further, the top of upper cover body 20 offers several first through hole 24 for inlet wire, to configure different rule
The cable of lattice.The Ge Lan connector 25 being fixed with for passing through for extraneous cable is plugged in each first through hole 24.In this way by
The sealing characteristics of Yu Gelan connector 25 can also ensure in intrinsic safety area 23 while cable is introduced intrinsic safety area 23
Leakproofness.
Explosion-proof loop control unit provided in an embodiment of the present invention is described further below: provided in an embodiment of the present invention
Explosion-proof loop control unit, by the way that the first pcb board 31, control module 32 and wiring mechanism 33 are arranged in assembling shell 10, in this way
Extraneous cable can realize electrical connection by wiring mechanism 33 and the first pcb board 31, and then realize and input outer signals
The control module 32 being installed on the first pcb board.And since wiring mechanism 33 is set to the opening of assembling shell 10, in this way its
It just can enclose to set together to form encapsulation area 11 in assembling shell 10, then when explosion-proof loop control unit needs to be applied to that there are can
When in the working environment of the flammable and explosive substances such as combustion gas body, explosion-proof sealing 50, explosion-proof sealing 50 can be perfused into encapsulation area 11
Concretely two-component silica gel.So that the electronic components such as the first pcb board 31 and control module 32 envelope is set to explosion-proof sealing
It, will not even if so electronic components such as the first pcb board 31 and control module 32 generate electric arc and spark at work in 50
The imflammable gas to ignite around explosion-proof loop control unit, has just been obviously improved explosion-proof loop control unit in fuel gas ring in this way
The safety being on active service in border.
In another embodiment of the present invention, as seen in figures 3-5, wiring mechanism 33 includes installing frame 331 and is used to incite somebody to action
The connector assembly 332 that extraneous cable and the first pcb board 31 are electrically connected, connector assembly 332 are set in installing frame 331, are pacified
Frame up 331 openings for being embedded at assembling shell 10.Specifically, by making wiring mechanism 33 include connector assembly 332 and peace
It frames up 331, just realizes the function division of wiring mechanism 33 in this way, installing frame 331 is by being embedded at the opening of assembling shell 10
Place realizes being bonded relative to assembling shell 10 of wiring mechanism 33, and connector assembly 332 then can be realized to extraneous electricity
The electrical connection of cable and the first pcb board 31.
Further, the inner sidewall of 10 opening of assembling shell is formed with installation loop order, and the lateral wall of installing frame 331 is formed
There is installation gap, installation loop order is embedded in installation gap so that installing frame 331 is embedded at the opening of assembling shell 10.
In another embodiment of the present invention, as seen in figures 3-5, connector assembly 332 includes terminal plate 333, mounting plate
334, several demarcation plates 335 and several connecting terminals 337 being connected on mounting plate 334, terminal plate 333 are set to installing frame
In 331.Wherein, terminal plate 333 can be integrally formed with the inner wall of installing frame 331 and be made.So certifiable terminal plate 333 is in installation
It is seamless between frame 331, further improve the leakproofness in intrinsic safety area 23.Mounting plate 334 and each demarcation plate 335 are mounted on and connect
On line plate 333, it is formed with assembly space 336 between two adjacent demarcation plates 335, the first end of each connecting terminal 337 is and the
One pcb board 31 is electrically connected, and the second end of each connecting terminal 337 is fed through terminal plate 333 and protrudes into assembly space 336,
To be electrically connected with extraneous cable.Specifically, the glue filling opening for explosion-proof sealing 50 to be perfused is offered on terminal plate 333
3331, it is formed with assembly space 336 between two adjacent demarcation plates 335 by making, each cable is just realized in this way and is connecing
Effective separation of link position on line plate 333 avoids wiring confusion.And by making the first of each connecting terminal 337
End and the electrical connection of the first pcb board 31, second end and the electrical connection of extraneous cable so just realize each extraneous cable and the
The connection of one pcb board 31, and then also achieve the electricity of each extraneous cable and the control module 32 being installed on the first pcb board 31
Connection.Further, the second end of each connecting terminal 337 is each formed with pin 338, and each pin 338 is welded to connect in first
On pcb board 31, to realize the electric connection of each connecting terminal 337 and the first pcb board 31.
Further, the bottom surface of terminal plate 333 is provided with several stiffener plates 339, and each stiffener plate 339 is located at adjacent
Two connecting terminals 337 between, and the side of each stiffener plate 339 towards 10 inner sidewall of assembling shell be each formed with towards assembly
The guiding face 3391 being obliquely installed on the inside of shell 10.In this way, on the one hand having separated and respectively having connect due to the presence of each stiffener plate 339
Line terminals 337 avoid the generation interfered with each other between each connecting terminal 337 with electrostatic interference and electric arc, improve explosion-proof
The safety of loop control unit.On the other hand, due to the presence of each guiding face 3391, in this way when wiring mechanism 33 is installed in assembly
When shell 10, each guiding face 3391 just can play guiding role, so that the smooth progress of installation process.
In another embodiment of the present invention, as shown in Fig. 3, Fig. 6 and Fig. 7, wiring mechanism 33 further includes several guiding
Fixation kit 34, each fixation kit 34 that is oriented to includes fastening gasket 341, guider screw 342 and junction block 343, fastening gasket
341 are sheathed on guider screw 342, and guider screw 342 is fed through corresponding connecting terminal 337 and is threadedly connected to junction block
343, fastening gasket 341 and the fitting of connecting terminal 337 are arranged and for clamping extraneous cable.Specifically, it is oriented to fixation kit
34 at work, and guider screw 342 can be fed through connecting terminal 337 and connect junction block 343, and conducting wire screw is screwing in junction block
It may also function as guiding role when 343, so that the assembling process of guidance set is more smoothly, but also field connection is more convenient fast
It is prompt.The fastening gasket 341 being sheathed on guider screw 342 can tightly fit on connecting terminal 337, then fastening gasket
341 can firmly press extraneous cable set on the surface of connecting terminal 337, ensure that extraneous cable and connecting terminal 337
Stablize fitting.Meanwhile extraneous cable also may be disposed in junction block 343, the presence of fastening gasket 341 at this time also can extraneous electricity
Cable pressure is set to the stability between connecting terminal 337 and junction block 343.To reinforce extraneous cable and connecting terminal 337
Be bonded stability, the quantity of fastening gasket 341 can be it is multiple, preferably two.
Further, the side of mounting plate 334 towards guidance set is provided with strengthening rib strip 340, and strengthening rib strip 340 is deposited
The stability on terminal plate 333 is stood in certifiable mounting plate 334.One side edge of the strengthening rib strip 340 towards guider screw 342
The screw hole in semi-open shape can be offered, such guider screw 342 can screw in screw hole after passing through junction block 343,
Being stably connected with for guidance set and mounting plate 334 is just realized in this way, so that the overall structure stability of wiring mechanism 33
It significantly increases.
In another embodiment of the present invention, as shown in Fig. 3, Fig. 6 and Fig. 7, each junction block 343 in the width direction two
Side has been bent to form limit film 344 respectively, the limit film 344 of the two sides opposite sides side with corresponding connecting terminal 337 respectively
Edge abuts against.Specifically, due to the presence of two limit films 344, the second of the connecting terminal 337 of assembly space 336 is protruded into this way
End can be kept fixed under the position-limiting action of two limit films 344, avoid swinging.
In another embodiment of the present invention, control module 32 is RF433 module, and there is RF433 module 4G to communicate function
It can be welded on the first pcb board 31 with cable interworking function, RF433 module, make the explosion-proof loop control unit of the embodiment of the present invention
It can be connect by 4G communication and cable communication with extraneous control terminal.Specifically, RF433 module is equipped with 4G communication module and cable
Interworking module, such RF433 module can carry out real time remote connection with other assemblies, meet wireless and wired two kinds of communication connections
Mode, while achieving the effect that remotely control, remote operation and remote software update and upgrading, and then can facilitate to control object
Maintenance and software upgrade and update to explosion-proof loop control unit, without disassembly.
In another embodiment of the present invention, as shown in Figure 1, explosion-proof loop control unit further includes transmitting antenna 40,
RF433 module is electrically connected by electric connection line and transmitting antenna 40.Specifically, transmitting antenna 40 can be independently disposed to assembly shell
To enhance the transmitting of its signal and receive ability except body 10.Further, the bottom end of assembling shell 10 offers the second through-hole (figure
Do not show), the second through-hole is equipped with Ge Lan connector 25, and electric connection line is electrically connected by Ge Lan connector 25 and transmitting antenna 40.
In another embodiment of the present invention, as shown in figure 8, the opposite sides inner wall of assembling shell 10 is each formed with and leads
To slot 12, the opposite sides edge of the first pcb board 31 is inserted in respectively in two guide grooves 12.Specifically, by the way that guide groove is arranged
12, so just facilitate installation of first pcb board 31 in assembling shell 10, while but also the first pcb board 31 can easily and
It is stably fixed in assembling shell 10.Further, guide groove 12 can be directly opened on the inner sidewall of assembling shell 10, also
Two spaced gib blocks 13 can be set on the inner sidewall of assembling shell 10, so that forming guide groove between two gib blocks 13
12。
In another embodiment of the present invention, as shown in figure 4, control mould group 30 further includes the second pcb board 35 and setting
Power module on the second pcb board 35, the second pcb board 35 are installed in assembling shell 10 and electrically connect with the first pcb board 31
It connects.Specifically, by the way that the second pcb board 35 is arranged, assembly sky just is provided to control other electronic components of mould group 30 in this way
Between 336, avoid the assembly space 336 for tying up control module 32.And the second pcb board 35 is set but also power module can and be controlled
Molding block 32 separates setting, and the work of electric power source pair of module control module 32 is avoided to have an impact.
In another embodiment of the present invention, as shown in figure 4, the inner sidewall of upper cover body 20 is formed with assembly loop order 21,
The lower end surface of assembly loop order 21 offers assembly annular groove (not shown), and assembly annular groove is embedded to be equipped with sealing ring 22,22 He of sealing ring
The upper end-face edge of assembling shell 10 abuts against.Specifically, by making sealing ring 22 be connected to the upper end-face edge of assembling shell 10,
Encapsulation process is just realized between upper cover body 20 and assembling shell 10 in this way, and then also improves the sealing performance in intrinsic safety area 23.
Further, the lateral wall of upper cover body 20 is evenly equipped with stiffener 26, to guarantee the integral strength of upper cover body 20.
Further, the two opposite outer wall of upper cover body 20 be provided with upper connecting ear 27, assembling shell 10 opposite two
Lateral wall is correspondingly provided with lower connecting ear 15, and two upper connecting ears 27 and two lower connecting ears 15 are fixed by clamping screw 28
Connection.Just lid 20 and while being detachably connected of assembling shell 10 in realization in this way, also ensure upper cover body 20 and dress
Stable connection with shell 10.So but also sealing ring 22 can be pressed firmly set on the upper surface of installing frame 331, Jin Erye
Further improve the sealing performance in intrinsic safety area 23.Further, the two lateral walls of assembling shell 10 are additionally provided with installation part
14, the installation in order to assembling shell 10 relative to basal planes such as extraneous wall surfaces, the lateral wall of assembling shell 10 is equipped with nameplate 16,
To record the relevant information of explosion-proof loop control unit.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of explosion-proof loop control unit, it is characterised in that: including assembling shell, upper cover body and control mould group, the assembly shell
The top of body has opening, and the upper cover body is covered on the opening of the assembling shell, and the control mould group includes the first PCB
Plate, control module and wiring mechanism, first pcb board are set in the assembling shell, and the control module is set to institute
It states on pcb board, the wiring mechanism is set to the opening of the assembling shell and is electrically connected with the pcb board, described to connect
Line mechanism is used to for extraneous cable and the pcb board being electrically connected, and the inside of the wiring mechanism and the assembling shell
It is enclosed to form encapsulation area.
2. explosion-proof loop control unit according to claim 1, it is characterised in that: the wiring mechanism includes installing frame and use
In the connector assembly for being electrically connected the extraneous cable and first pcb board, the connector assembly is set to the peace
In framing up, the installing frame is embedded at the opening of the assembling shell.
3. explosion-proof loop control unit according to claim 2, it is characterised in that: the connector assembly includes terminal plate, peace
Loading board, several connecting terminals and several demarcation plates being connected on mounting plate, the terminal plate are set in the installing frame, institute
It states mounting plate and each demarcation plate is mounted on the terminal plate, it is empty that assembly is formed between the demarcation plate of adjacent two
Between, the first end of each connecting terminal is electrically connected with first pcb board, and the second end of each connecting terminal is worn
If the terminal plate and protruding into the assembly space, to be electrically connected with the extraneous cable.
4. explosion-proof loop control unit according to claim 3, it is characterised in that: the wiring mechanism further includes several guiding
Fixation kit, each guiding fixation kit includes fastening gasket, guider screw and junction block, and the fastening gasket is sheathed on
On the guider screw, the guider screw is fed through the corresponding connecting terminal and is threadedly connected to the junction block, institute
It states fastening gasket and connecting terminal fitting is arranged and for clamping the extraneous cable.
5. explosion-proof loop control unit according to claim 4, it is characterised in that: each junction block in the width direction two
Side has been bent to form limit film respectively, the limit film of the two sides opposite sides edge with the corresponding connecting terminal respectively
It abuts against.
6. described in any item explosion-proof loop control units according to claim 1~5, it is characterised in that: the control module is
RF433 module, the RF433 module are welded on first pcb board, and the explosion-proof loop control unit is enable to communicate by 4G
It is connect with cable communication with extraneous control terminal.
7. explosion-proof loop control unit according to claim 6, it is characterised in that: the explosion-proof loop control unit further includes hair
Antenna is penetrated, the RF433 module is electrically connected by electric connection line and the transmitting antenna.
8. described in any item explosion-proof loop control units according to claim 1~5, it is characterised in that: the phase of the assembling shell
Guide groove is each formed with to two sides inner wall, the opposite sides edge of first pcb board is inserted in respectively in two guide grooves.
9. described in any item explosion-proof loop control units according to claim 1~5, it is characterised in that: the control mould group is also wrapped
The power module for including the second pcb board and being set on second pcb board, second pcb board are installed on the assembling shell
It is interior and with first pcb board be electrically connected.
10. described in any item explosion-proof loop control units according to claim 1~5, it is characterised in that: the inside of the upper cover body
Wall is formed with assembly loop order, and the lower end surface of the assembly loop order offers assembly annular groove, and the assembly annular groove is embedded to be equipped with sealing
The upper end-face edge of circle, the sealing ring and the assembling shell abuts against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910504560.3A CN110231790B (en) | 2019-06-12 | 2019-06-12 | Explosion-proof loop controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910504560.3A CN110231790B (en) | 2019-06-12 | 2019-06-12 | Explosion-proof loop controller |
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| Publication Number | Publication Date |
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| CN110231790A true CN110231790A (en) | 2019-09-13 |
| CN110231790B CN110231790B (en) | 2020-12-04 |
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| CN201910504560.3A Active CN110231790B (en) | 2019-06-12 | 2019-06-12 | Explosion-proof loop controller |
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| CN103062726A (en) * | 2011-10-19 | 2013-04-24 | 北京瑞阳安科技术有限公司 | Power supply chamber seal structure of anti-explosion light-emitting diode (LED) illuminator |
| CN105757626A (en) * | 2014-12-18 | 2016-07-13 | 海洋王照明科技股份有限公司 | Anti-explosion lighting system and anti-explosion illumination sensor |
| CN105914492A (en) * | 2016-05-20 | 2016-08-31 | 镇江宏联电工有限公司（中外合资） | Wiring terminal row |
| CN106152070A (en) * | 2015-04-23 | 2016-11-23 | 海洋王（东莞）照明科技有限公司 | Rosette |
| KR20170001856A (en) * | 2015-06-26 | 2017-01-05 | 현대중공업 주식회사 | explosion proof type terminal box structure |
| CN207443258U (en) * | 2017-09-30 | 2018-06-01 | 日照港集团岚山港务有限公司 | A kind of fitted outside High-Pole Lamp explosion-proof control box |
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| CN109039077A (en) * | 2018-08-03 | 2018-12-18 | 上海隽玺电子科技有限公司 | One kind being mountable to the intracorporal intrinsic safety electric source of increased safety case for explosion hazard area |
| CN109519784A (en) * | 2018-12-03 | 2019-03-26 | 龙岩龙安安全科技有限公司 | A kind of mine anti-explosion wisdom lamp antenna |
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| CN102545115A (en) * | 2010-12-24 | 2012-07-04 | 海洋王照明科技股份有限公司 | Cable leading-in device and anti-explosion platform lamp |
| CN103062726A (en) * | 2011-10-19 | 2013-04-24 | 北京瑞阳安科技术有限公司 | Power supply chamber seal structure of anti-explosion light-emitting diode (LED) illuminator |
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| KR20170001856A (en) * | 2015-06-26 | 2017-01-05 | 현대중공업 주식회사 | explosion proof type terminal box structure |
| CN105914492A (en) * | 2016-05-20 | 2016-08-31 | 镇江宏联电工有限公司（中外合资） | Wiring terminal row |
| KR20180126203A (en) * | 2017-05-17 | 2018-11-27 | (주)코리아인코어테크놀러지 | Magnetic switch for explosion-proof |
| CN207443258U (en) * | 2017-09-30 | 2018-06-01 | 日照港集团岚山港务有限公司 | A kind of fitted outside High-Pole Lamp explosion-proof control box |
| CN109039077A (en) * | 2018-08-03 | 2018-12-18 | 上海隽玺电子科技有限公司 | One kind being mountable to the intracorporal intrinsic safety electric source of increased safety case for explosion hazard area |
| CN108986416A (en) * | 2018-09-18 | 2018-12-11 | 深圳市泰燃智能科技有限公司 | A kind of gas safe intelligence prevention system |
| CN109519784A (en) * | 2018-12-03 | 2019-03-26 | 龙岩龙安安全科技有限公司 | A kind of mine anti-explosion wisdom lamp antenna |
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| CN110231790B (en) | 2020-12-04 |
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