CN211184637U - On-site bus type signal distributor with explosion-proof function - Google Patents

On-site bus type signal distributor with explosion-proof function Download PDF

Info

Publication number
CN211184637U
CN211184637U CN202020235603.0U CN202020235603U CN211184637U CN 211184637 U CN211184637 U CN 211184637U CN 202020235603 U CN202020235603 U CN 202020235603U CN 211184637 U CN211184637 U CN 211184637U
Authority
CN
China
Prior art keywords
signal distributor
shell
mounting bin
explosion
threading
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020235603.0U
Other languages
Chinese (zh)
Inventor
王正春
朱宇慧
王天健
齐凤河
齐绍良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daqing Weilan Oilfield Technology Co ltd
Original Assignee
Daqing Weilan Oilfield Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daqing Weilan Oilfield Technology Co ltd filed Critical Daqing Weilan Oilfield Technology Co ltd
Priority to CN202020235603.0U priority Critical patent/CN211184637U/en
Application granted granted Critical
Publication of CN211184637U publication Critical patent/CN211184637U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Casings For Electric Apparatus (AREA)

Abstract

The utility model provides a field bus type signal distributor with explosion-proof function, including shell, battery, solar control ware, signal distributor and heating panel, the shell lower extreme is equipped with a plurality of L shape connecting plates, the upper end of shell is equipped with the rainshelter, be equipped with a plurality of joints protection component in being used for protecting the wire and avoiding external impurity to get into the shell on the shell, be equipped with the baffle in the shell and be used for dividing the shell inside into first installation storehouse and the second installation storehouse that is used for placing signal distributor, be equipped with solar cell panel on the rainshelter, solar cell panel passes through the battery of solar control ware electric connection first installation storehouse, the signal distributor in battery electric connection second installation storehouse, the heating panel sets up in the bottom surface of second installation storehouse in order to seal the opening of second installation storehouse bottom surface, be equipped with the multiunit centre gripping subassembly that is used for compressing tightly signal distributor on the heating panel in the second installation storehouse, be equipped with the explosion-proof layer on the inner wall of second installation storehouse.

Description

On-site bus type signal distributor with explosion-proof function
Technical Field
The utility model relates to a signal distributor technical field especially relates to a field bus type signal distributor with explosion-proof function.
Background
The signal distributor is an instrument for transmitting, converting, isolating, transmitting and operating various industrial signals in an automatic control system, can be matched with various industrial sensors to retrieve parameter signals and isolate transmission, and meets the requirement of local monitoring and remote data acquisition of a user; when the signal distributor is installed on a construction site, the signal distributor is easily damaged due to the complex construction site environment, and the wiring is inconvenient, so that the power supply for the signal distributor is difficult; the signal distributor works in a severe environment, the high temperature generated by the operation of the signal distributor and dust or moisture in the environment easily cause short circuit of the signal distributor, and explosion can occur when the performance of the signal distributor is seriously influenced; to this end, the present application proposes a fieldbus-type signal distributor having an explosion-proof function.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problems existing in the background technology, the utility model provides a field bus type signal distributor with explosion-proof function, which is convenient to use and has strong explosion-proof performance; the solar energy power generation device is more energy-saving and environment-friendly through the arrangement of clean solar energy power generation.
(II) technical scheme
In order to solve the problems, the utility model provides a field bus type signal distributor with explosion-proof function, which comprises a shell, an L-shaped connecting plate, a storage battery, a solar controller, a signal distributor, a heat dissipation plate and a joint protection component;
a plurality of L-shaped connecting plates are uniformly arranged on the lower end face of the shell, and each L-shaped connecting plate is provided with a mounting hole;
the upper end of the shell is provided with a rain shelter, and a partition plate is arranged in the shell; the partition board is used for dividing the interior of the shell into a first mounting bin and a second mounting bin for placing the signal distributor; the first mounting bin and the second mounting bin are both provided with sealing doors on the shell; the rain shelter is provided with a solar cell panel; the solar panel is electrically connected with the solar controller; the solar controller is electrically connected with the storage battery; the storage battery is electrically connected with the signal distributor; the storage battery and the solar controller are both arranged in the first mounting bin;
the bottom surface of the second mounting bin is provided with an opening, and the side end surface of the second mounting bin is provided with a plurality of through holes for the lead to pass through; wherein, the multiple groups of wires are respectively electrically connected with the joints of the signal distributor;
the heat dissipation plate is arranged on the bottom surface of the second mounting bin so as to seal the opening on the bottom surface of the second mounting bin; a plurality of groups of clamping assemblies for pressing the signal distributor on the heat dissipation plate are arranged in the second mounting bin, and an explosion-proof layer is arranged on the inner wall of the second mounting bin;
a plurality of joint protecting component all set up on the shell, and wherein, joint protecting component and through-hole one-to-one are used for protecting the wire and avoid external impurity to get into in the shell.
Preferably, a plurality of fasteners are included; the heat dissipation plate is provided with a plurality of threaded holes; a plurality of threaded blind holes are formed in the bottom surface of the second mounting bin;
the plurality of fastening pieces respectively penetrate through the plurality of threaded holes in a threaded manner and are screwed into the plurality of threaded blind holes; wherein, the fastening piece, the threaded hole and the threaded blind hole correspond to each other one to one.
Preferably, the explosion-proof layer comprises a metal base layer, a metal wire layer, a toughened glass layer and a wear-resistant layer which are arranged on the inner wall of the second mounting bin;
the metal wire layer is arranged between the metal base layer and the toughened glass layer; the wearing layer sets up the one end of keeping away from metal substrate on toughened glass layer.
Preferably, each group of clamping components comprises a fixed cylinder, a threaded rod and a clamping plate;
one end of the fixed cylinder is connected with the inner wall of the second mounting bin; the other end of the threaded rod is screwed into the fixed cylinder through one end of the fixed cylinder, and the other end of the threaded rod is rotatably connected with the clamping plate; the clamping plate presses the signal distributor towards the end face of the signal distributor.
Preferably, an elastic protection pad is arranged on the end face of the clamping plate pressed against the signal distributor.
Preferably, the device comprises a temperature sensor, a blower and a host; wherein, the clapboard is provided with an air inlet hole and an air outlet hole; the first mounting bin is provided with a vent hole on the shell;
the host is arranged in the first mounting bin, and a circuit board and a controller arranged on the circuit board are arranged in the host; the controller is connected with the blower in a control mode; the blower is arranged in the first mounting bin, and the air outlet end of the blower is connected with the air inlet;
the temperature sensor is arranged in the second mounting bin and is in communication connection with the controller; the temperature sensor, the controller and the blower are all electrically connected with the storage battery.
Preferably, each group of joint protection assemblies comprises an end cover and a threading cylinder;
the threading cylinder is arranged on the shell, the interior of the threading cylinder is communicated with the through hole, and a plurality of sponges are arranged in the threading cylinder; the plurality of sponges are uniformly distributed in a circumference manner by taking the central axis of the threading cylinder as the center;
the end cover is arranged at one end of the threading cylinder far away from the shell, and a threading hole is formed in the end cover; a plurality of elastic blocks are arranged in the threading holes; the elastic blocks are uniformly distributed in a circumference manner by taking the central axis of the threading hole as the center.
Preferably, the end cap is in threaded fit connection with the threading barrel.
The above technical scheme of the utility model has following profitable technological effect:
the utility model discloses in, during the use, through placing L shape connecting plate on the supporting plane, use the mounting hole on the L shape connecting plate of bolt cooperation to fix L shape connecting plate and supporting plane, thereby fix the device, the through-hole that will be connected with signal distributor and the joint connection on the through-hole that the joint lead wire that is connected will be passed on the shell respectively with the play line joint lead wire that is connected with signal distributor, through setting up the joint protection subassembly on the shell to the line joint lead wire and play line joint lead wire of inlet wire, avoid external impurity to get into the shell from the clearance between line joint lead wire and the play line joint lead wire and the through-hole respectively and cause the influence to signal distributor's use, signal distributor passes through multiunit centre gripping subassembly to be fixed on the heating panel, the heating panel directly contacts with external environment, thereby can effectually dispel the heat to the inside of second installation storehouse, avoid the space temperature rise that signal distributor locates, in addition, be equipped with the explosion-proof layer on the inner wall of;
the solar panel is arranged to receive solar energy for power generation so as to provide electric energy for the signal distributor, and clean solar energy is used for energy conservation and environmental protection.
Drawings
Fig. 1 is a schematic structural diagram of a fieldbus signal distributor with an explosion-proof function according to the present invention.
Fig. 2 is a schematic diagram of a local enlarged structure at a position a in the fieldbus signal distributor with an explosion-proof function according to the present invention.
Fig. 3 is a schematic structural diagram of an explosion-proof layer in a fieldbus signal distributor with an explosion-proof function according to the present invention.
Fig. 4 is a schematic structural diagram of a clamping assembly in a fieldbus signal distributor with an explosion-proof function according to the present invention.
Fig. 5 is a front view of a fieldbus signal distributor with an explosion-proof function according to the present invention.
Fig. 6 is a schematic structural diagram of a joint protection component in a field bus type signal distributor with an explosion-proof function according to the present invention.
The number of the reference numbers is 1, a shell, 2, L-shaped connecting plates, 3, a storage battery, 4, a host machine, 5, a partition plate, 6, a signal distributor, 7, a heat dissipation plate, 8, an opening, 9, an explosion-proof layer, 91, a metal base layer, 92, a metal wire layer, 93, a toughened glass layer, 94, a wear-resistant layer, 10, a temperature sensor, 11, a clamping assembly, 111, a fixing barrel, 112, a threaded rod, 113, a clamping plate, 12, a rain shelter, 13, a solar panel, 14, a blower, 15, a mounting hole, 16, a fastening piece, 17, a sealing door, 18, a joint protection assembly, 181, an end cover, 182, a threading barrel, 183, a sponge, 184, an elastic block, 185 and a threading hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the present invention provides a fieldbus signal distributor with explosion-proof function, which comprises a housing 1, an L-shaped connecting plate 2, a storage battery 3, a solar controller, a signal distributor 6, a heat dissipation plate 7 and a connector protection assembly 18;
the L-shaped connecting plates 2 are uniformly arranged on the lower end face of the shell 1, and each L-shaped connecting plate 2 is provided with a mounting hole 15, the L-shaped connecting plates 2 are placed on the supporting platform, and the L-shaped connecting plates 2 are fixedly connected with the supporting platform by matching with the mounting holes 15 through bolts;
the upper end of the shell 1 is provided with a rain shelter 12, and a clapboard 5 is arranged in the shell 1; the partition board 5 is used for dividing the interior of the shell 1 into a first mounting bin and a second mounting bin for placing the signal distributor 6; wherein, the first mounting bin and the second mounting bin are both provided with a sealing door 17 on the shell 1; each sealing door 17 is hermetically connected with the shell 1, and each sealing door 17 is provided with a handle and a lockset for locking the sealing door 17 and the shell 1; the lock is a product which can be directly selected and purchased in the existing market;
the canopy 12 is provided with a solar cell panel 13; further, the canopy 12 is in a herringbone configuration;
the solar panel 13 is electrically connected with the solar controller; the solar controller is electrically connected with the storage battery 3; the storage battery 3 is electrically connected with the signal distributor 6; the storage battery 3 and the solar controller are both arranged in the first mounting bin;
the bottom surface of the second mounting bin is provided with an opening, and the side end surface of the second mounting bin is provided with a plurality of through holes for the lead to pass through; wherein, the multiple groups of wires are respectively electrically connected with the joints of the signal distributor 6;
the heat dissipation plate 7 is arranged on the bottom surface of the second mounting bin so as to seal the opening on the bottom surface of the second mounting bin; a plurality of groups of clamping assemblies 11 used for pressing the signal distributor 6 on the heat dissipation plate 7 are arranged in the second mounting bin, and an explosion-proof layer 9 is arranged on the inner wall of the second mounting bin;
a plurality of joint protection components 18 are all arranged on the housing 1, wherein the joint protection components 18 are in one-to-one correspondence with the through holes and are used for protecting the wires and preventing external impurities from entering the housing 1.
In the utility model, when in use, L-shaped connecting plates 2 are placed on a supporting plane, L-shaped connecting plates 2 are fixed with the supporting plane by using mounting holes 15 on L-shaped connecting plates 2 in bolt fit, so that the device is fixed, lead-in connector wires and lead-out connector wires connected with a signal distributor 6 respectively pass through holes on a shell 1 to be connected with connectors on the signal distributor 6, the lead-in connector wires and the lead-out connector wires are protected by a connector protection component 18 arranged on the shell 1, and external impurities are prevented from entering the shell 1 from gaps between the lead-in connector wires and the lead-out connector wires and the through holes to influence the use of the signal distributor 6;
the solar panel 13 is arranged to receive solar energy for power generation so as to provide electric energy for the signal distributor 6, and clean solar energy is used, so that the energy is saved and the environment is protected.
In an alternative embodiment, a plurality of fasteners 16 are included; wherein, the heat radiation plate 7 is provided with a plurality of threaded holes; a plurality of threaded blind holes are formed in the bottom surface of the second mounting bin;
the plurality of tightening pieces 16 are respectively threaded through the plurality of threaded holes and screwed into the plurality of threaded blind holes; the fastening pieces 16, the threaded holes and the threaded blind holes correspond to one another, and the heat dissipation plate 7 is convenient to disassemble and assemble through the arrangement;
further, the heat dissipation plate 7 is made of an aluminum alloy material.
In an alternative embodiment, the explosion-proof layer 9 comprises a metal base layer 91, a metal wire layer 92, a tempered glass layer 93 and a wear-resistant layer 94 which are arranged on the inner wall of the second installation bin;
the metal wire layer 92 is arranged between the metal base layer 91 and the toughened glass layer 93; the wear-resistant layer 94 is arranged at one end of the toughened glass layer 93 far away from the metal base layer 91.
In an alternative embodiment, each set of clamping assemblies 11 comprises a fixed cylinder 111, a threaded rod 112 and a clamping plate 113;
one end of the fixed cylinder 111 is connected with the inner wall of the second mounting bin; the other end of the threaded rod 112 is screwed into the fixed cylinder 111 through one end of the fixed cylinder 111, and the other end of the threaded rod 112 is rotatably connected with the clamping plate 113; the clamping plate 113 presses the signal distributor 6 toward the end face of the signal distributor 6;
further, the fixed cylinder 111 is in threaded connection with the inner wall of the second installation bin.
In an alternative embodiment, an elastic protection pad is provided on the end surface of the clamping plate 113 pressed against the signal distributor 6.
In an alternative embodiment, a temperature sensor 10, a blower 14 and a host 4 are included; wherein, the clapboard 5 is provided with an air inlet and an air outlet; the first mounting bin is provided with a vent hole on the shell 1;
the host 4 is arranged in the first mounting bin, and a circuit board and a controller arranged on the circuit board are arranged in the host 4; the controller is connected with the air blower 14 in a control mode; the blower 14 is arranged in the first mounting bin, and the air outlet end of the blower 14 is connected with the air inlet hole;
the temperature sensor 10 is arranged in the second mounting bin, and the temperature sensor 10 is in communication connection with the controller; the temperature sensor 10, the controller and the blower 14 are all electrically connected with the storage battery 3;
the temperature in the second mounting bin is detected by the arranged temperature sensor 10, and when the temperature in the second mounting bin rises to reach a set value, the blower 14 is powered on to blow air into the second mounting bin so as to accelerate the heat dissipation in the second mounting bin.
In an alternative embodiment, each set of joint guard assemblies 18 includes an end cap 181 and a threading barrel 182;
the threading cylinder 182 is arranged on the shell 1, the interior of the threading cylinder 182 is communicated with the through hole, and a plurality of sponges 183 are arranged in the threading cylinder 182; the sponges 183 are evenly distributed in a circumference manner by taking the central axis of the threading cylinder 182 as the center, and gaps for the lead to pass through are reserved at the centers of the sponges 183;
the end cover 181 is arranged at one end of the threading cylinder 182 far away from the shell 1, and the end cover 181 is provided with a threading hole 185; a plurality of elastic blocks 184 are arranged in the threading holes; the elastic blocks 184 are uniformly distributed in a circumference manner by taking the central axis of the threading hole 185 as the center, and gaps for the lead to pass through are reserved at the centers of the elastic blocks 184; the lead connector penetrates through the threading hole 185, penetrates through the threading cylinder 182 and enters the shell 1 through the through hole, the end cover 181 is connected with the threading cylinder 182, the guide is clamped and sealed through the elastic block 184 in the threading hole 185, and the sponge 183 in the threading cylinder 182 can seal the lead and absorb water to prevent moist air from entering the shell 1.
In an alternative embodiment, the end cap 181 is threadably engaged with the threading barrel 182.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (8)

1. A field bus type signal distributor with an explosion-proof function is characterized by comprising a shell (1), an L-shaped connecting plate (2), a storage battery (3), a solar controller, a signal distributor (6), a heat dissipation plate (7) and a joint protection assembly (18);
a plurality of L-shaped connecting plates (2) are uniformly arranged on the lower end surface of the shell (1), and each L-shaped connecting plate (2) is provided with a mounting hole (15);
a rain shelter (12) is arranged at the upper end of the shell (1), and a partition plate (5) is arranged in the shell (1); the partition board (5) is used for dividing the interior of the shell (1) into a first mounting bin and a second mounting bin for placing the signal distributor (6); wherein, the first mounting bin and the second mounting bin are both provided with a sealing door (17) on the shell (1); the rain shelter (12) is provided with a solar cell panel (13); the solar cell panel (13) is electrically connected with the solar controller; the solar controller is electrically connected with the storage battery (3); the storage battery (3) is electrically connected with the signal distributor (6); the storage battery (3) and the solar controller are both arranged in the first mounting bin;
the bottom surface of the second mounting bin is provided with an opening, and the side end surface of the second mounting bin is provided with a plurality of through holes for the lead to pass through; wherein, the multiple groups of wires are respectively and electrically connected with the joints of the signal distributor (6);
the heat dissipation plate (7) is arranged on the bottom surface of the second mounting bin so as to seal the opening on the bottom surface of the second mounting bin; a plurality of groups of clamping assemblies (11) used for pressing the signal distributor (6) on the heat dissipation plate (7) are arranged in the second mounting bin, and an explosion-proof layer (9) is arranged on the inner wall of the second mounting bin;
a plurality of joint protection component (18) all set up on shell (1), and wherein, joint protection component (18) and through-hole one-to-one are used for protecting the wire and avoid external impurity to get into in shell (1).
2. Fieldbus-type signal distributor with explosion protection according to claim 1, comprising a plurality of tightening pieces (16); wherein, the heat dissipation plate (7) is provided with a plurality of threaded holes; a plurality of threaded blind holes are formed in the bottom surface of the second mounting bin;
the plurality of tightening pieces (16) respectively penetrate through the plurality of threaded holes in a threaded manner and are screwed into the plurality of threaded blind holes; wherein, the fastening piece (16), the threaded hole and the threaded blind hole are in one-to-one correspondence.
3. The fieldbus signal distributor with explosion-proof function of claim 1, wherein the explosion-proof layer (9) comprises a metal base layer (91), a wire layer (92), a tempered glass layer (93) and a wear-resistant layer (94) provided on the inner wall of the second installation chamber;
the metal wire layer (92) is arranged between the metal base layer (91) and the toughened glass layer (93); the wear-resistant layer (94) is arranged at one end, far away from the metal base layer (91), of the toughened glass layer (93).
4. Fieldbus-type signal distributor with explosion protection according to claim 1, characterised in that each set of gripping assemblies (11) comprises a fixed cylinder (111), a threaded rod (112) and a gripping plate (113);
one end of the fixed cylinder (111) is connected with the inner wall of the second mounting bin; the other end of the threaded rod (112) is screwed into the fixed cylinder (111) by one end of the fixed cylinder (111), and the other end of the threaded rod (112) is rotatably connected with the clamping plate (113); the clamping plate (113) presses the signal distributor (6) towards the end face of the signal distributor (6).
5. The fieldbus signal distributor with the explosion-proof function as claimed in claim 4, wherein an elastic protection pad is arranged on the end face of the clamping plate (113) pressed against the signal distributor (6).
6. Fieldbus-type signal distributor with explosion-proof function according to claim 1, characterized by comprising a temperature sensor (10), a blower (14) and a host (4); wherein, the clapboard (5) is provided with an air inlet and an air outlet; the first mounting bin is provided with a vent hole on the shell (1);
the host (4) is arranged in the first mounting bin, and a circuit board and a controller arranged on the circuit board are arranged in the host (4); the controller is connected with the air blower (14) in a control way; the blower (14) is arranged in the first mounting bin, and the air outlet end of the blower (14) is connected with the air inlet hole;
the temperature sensor (10) is arranged in the second mounting bin, and the temperature sensor (10) is in communication connection with the controller; the temperature sensor (10), the controller and the blower (14) are all electrically connected with the storage battery (3).
7. The fieldbus signal distributor of claim 1, wherein each set of joint guard assemblies (18) comprises an end cap (181) and a threading barrel (182);
the threading cylinder (182) is arranged on the shell (1), the interior of the threading cylinder (182) is communicated with the through hole, and a plurality of sponges (183) are arranged in the threading cylinder (182); the plurality of sponges (183) are uniformly distributed in a circumference manner by taking the central axis of the threading cylinder (182) as the center;
the end cover (181) is arranged at one end of the threading cylinder (182) far away from the shell (1), and the end cover (181) is provided with a threading hole (185); a plurality of elastic blocks (184) are arranged in the threading holes; the elastic blocks (184) are uniformly distributed in a circumference shape by taking the central axis of the threading hole (185) as the center.
8. Fieldbus-type signal distributor with explosion-proof function according to claim 7, characterized in that the end cap (181) is screw-fittingly connected with the threading barrel (182).
CN202020235603.0U 2020-02-24 2020-02-24 On-site bus type signal distributor with explosion-proof function Expired - Fee Related CN211184637U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020235603.0U CN211184637U (en) 2020-02-24 2020-02-24 On-site bus type signal distributor with explosion-proof function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020235603.0U CN211184637U (en) 2020-02-24 2020-02-24 On-site bus type signal distributor with explosion-proof function

Publications (1)

Publication Number Publication Date
CN211184637U true CN211184637U (en) 2020-08-04

Family

ID=71799377

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020235603.0U Expired - Fee Related CN211184637U (en) 2020-02-24 2020-02-24 On-site bus type signal distributor with explosion-proof function

Country Status (1)

Country Link
CN (1) CN211184637U (en)

Similar Documents

Publication Publication Date Title
CN211184637U (en) On-site bus type signal distributor with explosion-proof function
CN214014880U (en) Intelligent container machine room
CN110058059A (en) A kind of electric instrument with environment monitoring function
CN212721496U (en) Protective device for environment monitoring instrument
CN212727882U (en) Modularization intelligence monitoring box
CN212162484U (en) Electric automatization explosion-proof formula outdoor distribution box
CN212752963U (en) Gateway controller
CN211152119U (en) Router heat dissipation support based on network security
CN210628820U (en) Block terminal with prevent condensation function
CN211126656U (en) Multi-functional ammeter case of transformer room low pressure
CN207475391U (en) A kind of switch board
CN112763776A (en) Three-phase multifunctional electric power instrument with environment protection effect
CN220253811U (en) Waterproof outdoor terminal box
CN211201533U (en) Control unit suitable for subway shield door
CN211982326U (en) Outdoor street lamp control box
CN110719388A (en) Lightning protection device for network camera
CN216980980U (en) High-definition image board
CN218850120U (en) Waterproof cabinet body of power distribution cabinet
CN211957526U (en) High-voltage switch shell with good heat dissipation performance
CN219351021U (en) Voice alarm power transformation and distribution device
CN219351676U (en) Photovoltaic power connection box
CN211745066U (en) High-efficient heat abstractor of outdoor rack
CN215185366U (en) Power cabinet for integration communication
CN219040369U (en) Universal circuit breaker with dustproof function
CN209824236U (en) Waterproof structure of motor controller

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200804