CN217640009U

CN217640009U - Remote acquisition system

Info

Publication number: CN217640009U
Application number: CN202221571037.6U
Authority: CN
Inventors: 李超; 周师强; 陈毅; 袁林; 黄佳; 陈浩; 王超; 王小均; 张平昌; 李林
Original assignee: Houpu Clean Energy Group Co ltd
Current assignee: Houpu Clean Energy Group Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-21
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a long-range collection system, including the collection cabinet of integrated control cabinet and, integrated control cabinet internally mounted has the PLC controller that is used for controlling the output of distal end equipment, gather cabinet internally mounted have with PLC controller communication connection's long-range IO module, long-range IO module is used for gathering analog signal and the switching value signal on the sled, long-range IO module with the PLC controller utilizes communication bus to be connected. Through the collection cabinet add the interaction that long-range IO module was connected the realization long-range IO module and PLC controller with the PLC controller in the switch board, integrate into communication bus with many signal cable simultaneously, reduce the use quantity of cable conductor, reduce the loss of manpower and materials when being convenient for the later stage carry out technology adjustment, alleviate the later stage construction degree of difficulty.

Description

Remote acquisition system

Technical Field

The utility model relates to a remote acquisition technical field especially relates to a remote acquisition system.

Background

New energy vehicles have occupied more and more markets as a product of the development of the times, and as such, LNG (liquefied natural gas) fueling stations for fueling new energy vehicles are rooting all the time.

The traditional LNG station control system consists of box-type full-skid equipment and a comprehensive control cabinet, wherein a sensor and an actuating mechanism (an electromagnetic valve and an audible and visual alarm) are on site (the site refers to the box-type full-skid equipment), an explosion-proof cabinet is arranged on the box-type full-skid equipment, a PLC (programmable logic controller) is arranged on the control cabinet, and the control cabinet is arranged in a station room. Consequently, the distance of switch board and explosion-proof case is very far, generally is more than 100 meters, and because electrical components quantity is many, the numerous cable conductor connection of common use quantity, this just leads to later stage gas station when carrying out the technology adjustment, need brokenly the ditching to the pre-buried cable conductor in earlier stage, rearrange, because the gas station place is according to the standard requirement, can the sclerosis treatment usually simultaneously for the rearrangement of cable conductor consumes manpower and time limit for a project more, increases construction cost on foot.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a long-range collection system aims at solving the too much technical problem of current cable.

For solving above technical problem, the technical scheme of the utility model for provide a long-range collection system, including the integrated control cabinet with gather the cabinet, integrated control cabinet internally mounted has the PLC controller that is used for controlling the output of distal end equipment, gather cabinet internally mounted have with PLC controller communication connection's long-range IO module (long-range collection and control module), long-range IO module is used for gathering analog signal and the switching value signal on the sled, long-range IO module with the PLC controller utilizes communication bus to be connected.

The utility model discloses a principle lies in, is connected through the PLC controller in gathering the cabinet and addding long-range IO module and switch board, realizes the interaction of long-range IO module and PLC controller, integrates many signal cable into communication bus simultaneously, reduces the use quantity of cable conductor, reduces the loss of manpower and materials when the later stage of being convenient for carries out the process control, alleviates the later stage construction degree of difficulty.

Optionally, the communication bus includes a common communication bus and a standby communication bus,

the common communication bus adopts a super-five type shielding network cable and is applied to communication within a distance of 80 meters;

the standby communication bus adopts outdoor optical fibers and is applied to communication with the distance exceeding 80 meters. The signal cable is replaced by the communication bus, and the suitable communication bus is selected according to the distance between the control cabinet and the acquisition cabinet, so that the stability of data acquisition and transmission is facilitated, meanwhile, the number of cables is reduced, and the cost in process adjustment is reduced.

Optionally, a temperature sensor for measuring temperature and a heater for heating are further arranged in the collection cabinet.

Optionally, a temperature control module for controlling the operation of the heater is further arranged in the collection cabinet. Through controlling the internal environment temperature of the collection cabinet, the components in the collection cabinet can work at the minimum environment temperature for a long time, so that the collection cabinet is not only suitable for various severe weathers, but also reduces the loss of the components caused by temperature problems, and prolongs the service life of the components.

Optionally, the temperature control module is in communication connection with an HMI (human-machine interface) arranged outside the integrated control cabinet, and the upper temperature limit and the lower temperature limit range in the collection cabinet are set through the HMI. And correspondingly, the heating of the heater is stopped when the temperature reaches the upper limit threshold, and the ambient temperature for controlling the equipment to work can meet the work requirement.

Optionally, the temperature sensor and the heater are arranged at a location remote from the communication line.

Optionally, the heater is of a heating plate type structure.

The utility model discloses an useful part lies in, has realized the data acquisition function through addding long-range IO module at the collection cabinet, when replacing signal cable into communication bus and reducing cable use quantity, reduces the consumption of manpower, material resources and the delay of time limit for a project when more being favorable to the later stage to carry out the technology adjustment. Meanwhile, the temperature sensor and the heater are additionally arranged, so that the equipment can normally work in a low-temperature environment in a severe cold area.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a remote acquisition system according to an embodiment of the present invention;

fig. 2 is a schematic view of a fixing structure of a remote acquisition system applied to a severe cold area according to an embodiment of the present invention;

fig. 3 is a flow chart of temperature heating according to an embodiment of the present invention.

Detailed Description

In order to make the embodiment of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a long-range collection system, includes the collection cabinet that integrated control cabinet and, integrated control cabinet internally mounted has the PLC controller that is used for controlling the output of distal end equipment, gathers cabinet internally mounted have with PLC controller communication connection's long-range IO module, long-range IO module be used for gathering analog signal and the switching value signal on the sled, wherein, long-range IO module utilizes communication bus with the PLC controller to be connected.

Among the prior art, the switch board in the station room is very far away to the distance of executing device and the changer on the box full sled dress, and electric device is a lot of, causes the cable to use the total amount very big, and especially specific cable is used for transmitting specific signal, has increased the use quantity of cable, based on this, the utility model provides an utilize communication bus to replace the cable, realize the interaction of data and signal, wherein, communication bus includes but not limited to net twine, optic fibre, computer communication cable etc..

The communication bus is divided into a common communication bus and a standby communication bus in the actual use process, wherein the common communication bus adopts a super-five type shielding network cable and is applied to communication within the distance of 80 meters; the standby communication bus adopts outdoor optical fibers and is applied to communication with the distance of more than 80 meters. And selecting a proper communication bus according to the distance from the control cabinet to the acquisition cabinet so as to enable the signal transmission to reach the optimal state. By optimizing the wiring, the use of a long-distance multi-core cable is reduced, the wiring time is reduced, and the cost is reduced. Only one communication bus is needed, and signals of the equipment can be transmitted to the PLC through various field protocols. The same PLC can also control the output of the remote device via the communication bus. The communication bus replaces cables, so that the using quantity of the cables is reduced, the process is carried out in the later stage, the control point position is conveniently increased, the ground breaking is not needed, the investment of manpower and material resources is reduced, and the construction cost and the construction time are not increased.

It should be noted that, in the present embodiment, all the original cables are replaced by the communication bus, but some original cables may also be replaced by the communication bus, and the parts that are not replaced remain unchanged, which is determined according to specific engineering projects and engineering requirements, and is not limited herein.

Further, the utility model discloses having add the long-range IO module with PLC controller communication connection in gathering the cabinet, having realized the interaction of data, signal, this long-range IO module includes components and parts such as changer, button, switch, relay, pilot lamp, solenoid valve, and special to temperature, analog quantity signals such as pressure to and switching value signals such as buttons are gathered. The adapter of the remote IO module and the controller of the PLC are connected through the communication bus to perform data transmission in a communication mode, signals of the equipment can be transmitted to the PLC through various field bus protocols, such as a Camopenn protocol, a profinet protocol, an EtherCAT protocol, a cc-link protocol, a deviceNet protocol and the like, and similarly, the PLC can also control the output of remote equipment through the communication bus.

The remote IO module is an industrial-grade remote acquisition and control module, a plurality of modules in a series can be subjected to bus networking, IO points are flexibly expanded, the module adopts industrial-grade components, the installation mode is guide rail fixation or screw fixation, and the control can be performed by a remote command.

The remote IO module is mainly used for collecting analog signals and digital signals on an industrial field, and can also output the analog signals and the digital signals to control equipment. For different analog signals, different remote IO modules are generally adopted for collection, and selection is performed according to actual requirements.

For example, in this embodiment, the communication bus is selected as a super-five type shielded network cable, and the selected remote IO module is a remote IO module of the ethernet, where the super-five type shielded network cable is a preferred medium suitable for the remote IO module of the ethernet, and the cost performance with low cost and high quality can be used for data interaction and signal interaction of the gigabit ethernet.

It should be noted that the remote IO module is different from the PLC in distributed acquisition and control, and the control and acquisition may be extended to various corners through a MODBUS protocol bus or other protocol buses. The remote IO module is very simple to apply, does not need certain professional knowledge to be applied like a PLC, and after the remote IO module is taken, the data can be collected and the equipment can be controlled by connecting the remote IO module and the communication wiring of the industrial personal computer, so that the use of a user is very convenient.

Further, the utility model provides a pair of remote acquisition system can also be applied to alpine region. At present, the LNG gas station can be built in high and cold regions such as Xinjiang, heilongjiang and inner Mongolia, the time of one month in winter in the regions is severe weather lower than minus 20 ℃, the comprehensive control cabinet is arranged in the station and cannot be greatly influenced, but internal devices of a field acquisition cabinet comprise a direct-current switching power supply, a remote IO module, a safety barrier, a surge protector, a small relay, a button, a fuse and the like, wherein the working temperature of most internal devices needs to be kept above minus 20 ℃, and therefore the problem mainly solved by the LNG gas station built in the high and cold regions is how to enable equipment to normally work in the high and cold regions and the existence of potential safety hazards is avoided.

In view of this, the utility model discloses temperature sensor, heater and temperature control module have also can be add in gathering the cabinet for carry out real-time check and control temperature variation to the operational environment temperature of gathering the cabinet. Temperature sensor is used for real-time supervision to gather the inside ambient temperature of cabinet, so that temperature control module control heater heats, control inside ambient temperature, wherein the temperature can be set for by oneself, can all set for on touch-sensitive screen (HMI) or host computer, generally set for 10, it is same, can also set for temperature upper limit scope and temperature lower limit scope, it stops to heat to reach the highest temperature of setting for when the temperature, heat by oneself when the temperature is less than the minimum temperature of setting for, the temperature control in gathering the cabinet is in the constant interval. Through controlling the internal environment temperature of the collection cabinet, components in the collection cabinet can work at the minimum environment temperature for a long time, so that the collection cabinet is not only suitable for various severe weathers, but also reduces the loss of the components caused by temperature problems and prolongs the service life of the components.

It should be noted that, the arrangement positions of the temperature sensor and the heater need to be far away from other devices, cables and communication lines in the collecting cabinet, so that the device damage and safety accidents caused by too close to the heater are avoided.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or system that comprises the element.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. The utility model provides a long-range collection system, includes the integrated control cabinet and gathers the cabinet, integrated control cabinet internally mounted has the PLC controller that is used for controlling the output of distal end equipment, gather cabinet internally mounted have with PLC controller communication connection's long-range IO module, long-range IO module is used for gathering analog signal and the switching value signal on the sled, long-range IO module with the PLC controller utilizes communication bus to be connected.

2. The remote acquisition system of claim 1, wherein the communication bus comprises a common communication bus and a backup communication bus,

the common communication bus adopts ultra-five types of shielding network cables and is applied to communication within a distance of 80 meters;

the standby communication bus adopts outdoor optical fibers and is applied to communication with the distance exceeding 80 meters.

3. The remote collection system of claim 1, wherein a temperature sensor for measuring temperature and a heater for heating are further disposed within the collection cabinet.

4. The remote collection system of claim 3, wherein the heater is a heat sink type structure.

5. The remote collection system of claim 3, wherein a temperature control module is further disposed within the collection cabinet for controlling operation of the heater.

6. The remote acquisition system as claimed in claim 5, wherein the temperature control module is in communication connection with an HMI (human machine interface) arranged outside the integrated control cabinet, and the HMI is used for setting an upper temperature limit range and a lower temperature limit range in the acquisition cabinet.

7. The remote acquisition system of claim 3, wherein the temperature sensor and the heater are disposed at a location remote from the communication line.