An explosion-proof tube device and hydraulic system

Abstract

The application provides an explosion-proof pipe device and a hydraulic system, wherein the explosion-proof pipe device comprises a flow detection assembly, a pressure detection assembly, a shell, a control assembly, an indication assembly and a control cabinet; the flow detection assembly and the pressure detection assembly are arranged on the shell respectively and are electrically connected with the control assembly; the shell is used for connecting with a pipeline of the hydraulic system; the indication assembly is arranged on the outer surface of the control cabinet; the control assembly is arranged in the control cabinet and is used for electrically connecting with a control system of the hydraulic system; the control assembly is used for receiving a flow parameter of the pipeline detected by the flow detection assembly and a pressure parameter of the pipeline detected by the pressure detection assembly, and when it is judged that the flow parameter and the pressure parameter reach a set value, the control assembly controls the indication assembly to send an alarm indication and sends an alarm signal to the control system. The explosion-proof pipe device is used on the hydraulic system, whether leakage occurs is judged through flow and pressure, and detection and alarm are more accurate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic systems, in particular to an anti-explosion pipe device and a hydraulic system. BACKGROUND

[0002] The current hydraulic system judges whether the hydraulic system leaks by pressure detection. When the hydraulic system works normally, the working pressure is generally within a certain range. When the system leaks, the working pressure detected by the pressure sensor is lower than the normal working set value, and the hydraulic system is alarmed and prompted.

[0003] The pressure detection alone is not accurate to determine whether the hydraulic system leaks. The hydraulic system itself has many components. When the pressure is low, the main pump may be damaged or the pressure valve and other components may fail, and the system has no flow. Therefore, the existing hydraulic system has many false alarm situations or inaccurate alarm situations. SUMMARY

[0004] The main purpose of the present application is to provide an anti-explosion pipe device and a hydraulic system, which aims to solve the technical problems of the existing hydraulic system having many false alarm situations or inaccurate alarm situations.

[0005] In a first aspect, the present application provides an anti-explosion pipe device, comprising: a flow detection assembly, a pressure detection assembly, a housing, a control assembly, an indication assembly and a control cabinet.

[0006] The flow detection assembly and the pressure detection assembly are respectively arranged on the housing and are electrically connected with the control assembly. The housing is used to connect with the pipeline of the hydraulic system. The indication assembly is arranged on the outer surface of the control cabinet, and the control assembly is arranged in the interior of the control cabinet and is used to electrically connect with the control system of the hydraulic system.

[0007] The control assembly is used to receive the flow parameter of the pipeline detected by the flow detection assembly and the pressure parameter of the pipeline detected by the pressure detection assembly, and when the flow parameter and the pressure parameter reach the set value, the control assembly controls the indication assembly to issue an alarm indication and sends an alarm signal to the control system.

[0008] In one embodiment, the flow detection assembly comprises a flow sensor.

[0009] In one embodiment, the pressure detection assembly comprises a pressure sensor.

[0010] In one embodiment, the anti-explosion pipe device further comprises a connecting line, and the flow detection assembly and the pressure detection assembly are respectively electrically connected with the control assembly through the connecting line.

[0011] In one specific embodiment, the explosion-proof pipe device further comprises two pipe connectors, which are respectively fixed to two ends of the shell and used for connecting the pipe.

[0012] In one specific embodiment, the pipe connector comprises a welded pipe connector.

[0013] In one specific embodiment, the explosion-proof pipe device further comprises an instrument assembly arranged on the outer surface of the control cabinet, and the control assembly is used for controlling the instrument assembly to display the flow parameter and the pressure parameter in real time.

[0014] The indication assembly comprises a normal indication lamp and a leakage indication lamp.

[0015] In one specific embodiment, the explosion-proof pipe device further comprises a start-stop switch, which is used for electrically connecting with the control assembly.

[0016] In one specific embodiment, the back of the control cabinet is provided with a heat dissipation hole.

[0017] In a second aspect, the present application provides a hydraulic system, comprising:

[0018] a pipe;

[0019] a control system; and

[0020] The explosion-proof pipe device according to any one of the first aspect or the embodiments thereof, wherein the flow detection assembly and the pressure detection assembly of the explosion-proof pipe device are arranged on the shell of the explosion-proof pipe device, the shell is connected with the pipe, and the control assembly of the explosion-proof pipe device is electrically connected with the control system.

[0021] Advantages:

[0022] Compared with the prior art, the explosion-proof pipe device of the present application is used on the hydraulic system, the flow and pressure of the liquid in the pipe of the hydraulic system are detected by the flow detection assembly and the pressure detection assembly, whether leakage occurs is judged by the flow and pressure, when the flow parameter and the pressure parameter reach the set value, the leakage is judged, and then the alarm is given, the detection and the alarm are more accurate; at the same time, the more accurate alarm improves the overall safety and the material waste caused by oil leakage. In addition, the increased flow and pressure detection greatly reduces the repair time when the hydraulic system fails, and reduces the labor force. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a three-dimensional structural schematic view of the flow detection assembly, the pressure detection assembly, the pipe connector and the shell of the explosion-proof pipe device provided by an embodiment of the present application;

[0024] Figure 2 is a structural schematic view of a control cabinet of an explosion-proof pipe device provided by an embodiment of the present application;

[0025] Figure 3 is a front view structural schematic view of a flow detection assembly, a pressure detection assembly, and a connecting pipe joint connected to a shell of an explosion-proof pipe device provided by an embodiment of the present application;

[0026] Figure 4 is an installation schematic view of a flow detection assembly, a pressure detection assembly, and a connecting pipe joint installed to a shell of an explosion-proof pipe device provided by an embodiment of the present application;

[0027] Figure 5 is a structural schematic view of an inside of a control cabinet of an explosion-proof pipe device provided by an embodiment of the present application.

[0028] wherein:

[0029] 100, explosion-proof pipe device; 1, flow detection assembly; 2, pressure detection assembly; 3, shell; 4, indication assembly; 41, normal indication lamp; 42, leakage indication lamp; 5, control cabinet; 6, connecting pipe joint; 7, instrument assembly; 8, start-stop switch; 9, heat dissipation hole.

[0030] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0031] It should be understood that the specific embodiments described herein merely exemplify the present application and do not limit the present application.

[0032] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0033] In the description of the present application, it should be noted that unless specifically defined and limited otherwise, the terms "mounting", "connected", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, it can be direct connection, or indirect connection through intermediate medium, it can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] In the present application, unless specifically defined and limited otherwise, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] Please refer to Figure 1 and Figure 2 , the explosion-proof pipe device 100 provided by the embodiment of the present application includes a flow detection assembly 1, a pressure detection assembly 2, a shell 3, a control assembly, an indication assembly 4 and a control cabinet 5.

[0036] The flow detection assembly 1 and the pressure detection assembly 2 are respectively arranged on the shell 3 and are both electrically connected with the control assembly, the shell 3 is used for connecting with a pipeline of a hydraulic system; the indication assembly 4 is arranged on the outer surface of the control cabinet 5, and the control assembly is arranged in the interior of the control cabinet 5 and is used for electrically connecting with a control system of the hydraulic system.

[0037] The control assembly is used for receiving a flow parameter of the pipeline detected by the flow detection assembly 1 and a pressure parameter of the pipeline detected by the pressure detection assembly 2, and when judging that the flow parameter and the pressure parameter reach a set value, controlling the indication assembly 4 to send an alarm indication and sending an alarm signal to the control system.

[0038] In the embodiment, the explosion-proof pipe device 100 of the present application is applied in various hydraulic transmission systems, can be used for real-time monitoring of the flow and pressure of the hydraulic system, so as to detect whether the hydraulic system is pipe explosion, if the abnormal condition such as pipe explosion is detected, the alarm is actively sent and the alarm signal is sent to the hydraulic system, so that the control system of the hydraulic system alarms or stops the hydraulic system to protect the safe operation of the hydraulic system.

[0039] Specifically, the housing 3 of the burst pipe device 100 is connected with the pipeline of the hydraulic system. The flow detection assembly 1 is arranged on the housing 3 and is used for detecting the real-time flow of the liquid in the pipeline and then sending the flow parameter to the control assembly. The pressure detection assembly 2 is arranged on the housing 3 and is used for detecting the real-time pressure of the liquid in the pipeline and then sending the pressure parameter to the control assembly.

[0040] The indication assembly 4 is arranged on the outer surface of the control cabinet 5, so as to facilitate the operator to view the current running state of the hydraulic system, such as the current flow parameter and the current pressure parameter.

[0041] The control assembly is arranged in the interior of the control cabinet 5 and can provide protection such as waterproof and dustproof for the control assembly. The control assembly can receive the flow parameter of the pipeline sent by the flow detection assembly 1 and the pressure parameter of the pipeline sent by the pressure detection assembly 2. The control assembly is the core control component of the whole device and is responsible for receiving, processing and displaying the flow and pressure signals and judging and controlling according to the set parameters. By setting the detection parameters of the control assembly, the flow and the real-time pressure parameters when the pipe bursts can be set. When the control assembly detects that the flow parameter of the flow detection assembly 1 and the pressure parameter of the pressure detection assembly 2 do not reach the set value, it is judged that the pipe has not burst. When the control assembly detects that the flow parameter of the flow detection assembly 1 and the pressure parameter of the pressure detection assembly 2 reach the set value, it is judged that the pipe has burst, the alarm is started, the signal is transmitted to the indication assembly 4, the indication assembly 4 indicates the alarm information, and the alarm signal is connected to the control system of the original hydraulic system, so as to realize the alarm or shutdown processing of the burst pipe of the hydraulic system, thereby protecting the hydraulic system in time and avoiding greater loss caused by the burst pipe.

[0042] Compared with the prior art, the burst pipe device 100 of the embodiment of the application is used on the hydraulic system, the flow and pressure of the liquid in the pipeline of the hydraulic system are detected by the flow detection assembly 1 and the pressure detection assembly 2, whether the leakage occurs is judged by the flow and pressure, when the flow parameter and the pressure parameter reach the set value, it is judged that the leakage occurs, then the alarm is started, the detection and the alarm are more accurate; meanwhile, the more accurate alarm improves the overall safety and the material waste caused by the oil leakage. In addition, the increased flow and pressure detection greatly reduces the maintenance time when the hydraulic system fails and reduces the labor.

[0043] In one specific embodiment, the flow detection assembly 1 comprises a flow sensor.

[0044] In this embodiment, the flow sensor is a device for measuring fluid flow and can convert the fluid flow signal into an electrical signal. Common flow sensors include electromagnetic, ultrasonic, vortex, and other types, and their measurement principles are based on electromagnetic induction, acoustic principles, and fluid mechanics principles.

[0045] In one embodiment, the pressure detection assembly 2 comprises a pressure sensor.

[0046] In this embodiment, the pressure sensor can sense the pressure signal and convert it into a useful output electrical signal, usually composed of a pressure-sensitive element and a signal processing unit. According to the type of test pressure, it can be divided into gauge pressure sensor, differential pressure sensor and absolute pressure sensor, etc. In this explosion-proof pipe device 100, it is used to measure the pressure of the hydraulic system pipeline liquid.

[0047] In one embodiment, the number of flow sensors and pressure sensors is multiple.

[0048] In this embodiment, the flow sensor and pressure sensor are redundantly configured, so that when one of the sensors fails, the other flow sensor of the same type can still work normally, ensuring the continuous monitoring capability of the explosion-proof pipe device 100, and avoiding monitoring interruption and safety hazards caused by sensor failure.

[0049] In one embodiment, the explosion-proof pipe device 100 further comprises a connecting line, and the flow detection assembly 1 and the pressure detection assembly 2 are electrically connected to the control assembly through the connecting line.

[0050] In this embodiment, the signals output by the flow detection assembly 1 and the pressure detection assembly 2 are connected to the control assembly through the connecting line.

[0051] In other embodiments, wireless transmission methods such as ZigBee, Bluetooth or Wi-Fi wireless communication technologies can be used, which can reduce wiring costs and complexity, improve the flexibility and scalability of the device, and are especially suitable for some complex installation environments or devices that need to be frequently moved.

[0052] Please refer to Figure 3 and Figure 4 In one embodiment, the flow detection assembly 1 and the pressure detection assembly 2 are threadedly fixed to the housing 3.

[0053] Please refer to Figure 3 and Figure 4 In one embodiment, the explosion-proof pipe device 100 further comprises two pipe connectors 6, and the two pipe connectors 6 are respectively fixed to the two ends of the housing 3 and used to connect to the pipeline.

[0054] In this embodiment, the two pipe connectors 6 are respectively fixed to the two ends of the housing 3, and the housing 3 is fixedly arranged at the outlet of the pipeline through the two pipe connectors 6, so that the flow detection assembly 1 and the pressure detection assembly 2 can respectively detect the flow and pressure of the liquid in the pipeline.

[0055] In one embodiment, the connecting joint 6 is a welded connecting joint.

[0056] In this embodiment, the welded connecting joint is suitable for non-corrosive or corrosive media such as oil, water, and gas, and has the characteristics of firm connection and good sealing performance, and is used to connect the shell 3 and the pressure outlet pipeline of the hydraulic system.

[0057] Please refer to Figure 3 and Figure 4 , the installation method of the explosion-proof pipe device 100 is: first, install and fix the flow detection assembly 1 and the pressure detection assembly 2 on the shell 3 respectively, then install the welded connecting joint 6 at both ends of the shell 3 respectively, and then install and weld the assembled shell 3 on the pressure outlet pipeline of the hydraulic system, to ensure firm connection and good sealing to prevent leakage from affecting the measurement accuracy.

[0058] Please refer to Figure 2 , in one embodiment, the explosion-proof pipe device 100 further comprises an instrument assembly 7, the instrument assembly 7 is arranged on the outer surface of the control cabinet 5, and the control assembly is used to control the instrument assembly 7 to display the flow parameter and the pressure parameter in real time.

[0059] In this embodiment, when the control assembly receives the flow parameter of the pipeline sent by the flow detection assembly 1 and the pressure parameter of the pipeline sent by the pressure detection assembly 2, the control assembly controls the instrument assembly 7 to display the real-time flow parameter and the real-time pressure parameter of the current hydraulic system in real time.

[0060] In one embodiment, the instrument assembly 7 can be a secondary control instrument.

[0061] Further, in other embodiments, the display screen of the secondary control instrument can be upgraded to a touch screen to provide a more intuitive and convenient operation interface. Through the touch screen, parameter setting, data query, alarm record viewing and other operations can be conveniently performed, and more rich graphical information such as flow and pressure curves can also be displayed, so that the operating personnel can more intuitively understand the running state of the hydraulic system.

[0062] Please refer to Figure 2 , in one embodiment, the explosion-proof pipe device 100 further comprises a start-stop switch 8, and the start-stop switch 8 is used to be electrically connected with the control assembly.

[0063] In work, the start-stop switch 8 is turned on, and the electronic devices in the control cabinet 5 are powered on. At this time, the panel of the instrument assembly 7 can display the real-time flow parameter and the real-time pressure parameter of the current hydraulic system.

[0064] In one embodiment, the start-stop switch 8 comprises a two-position switch.

[0065] Please refer to Figure 2 In one embodiment, the indicating assembly 4 comprises a normal indicating lamp 41 and a leakage indicating lamp 42.

[0066] In this embodiment, when the control assembly detects that the flow parameter of the flow detecting assembly 1 and the pressure parameter of the pressure detecting assembly 2 have not reached the set value, the normal indicating lamp 41 is on and the leakage indicating lamp 42 is off. When the control assembly detects that the flow parameter of the flow detecting assembly 1 and the pressure parameter of the pressure detecting assembly 2 reach the set value, the alarm is turned on and the signal is transmitted to the indicating assembly 4, which indicates the alarm information. At this time, the normal indicating lamp 41 is off and the leakage indicating lamp 42 is on.

[0067] Please refer to Figure 5 In one embodiment, the back of the control cabinet 5 is provided with a heat dissipation hole 9.

[0068] In this embodiment, the heat dissipation hole 9 can effectively dissipate heat for the electronic devices inside the control cabinet 5.

[0069] The hydraulic system provided by the embodiment of the present application comprises a pipeline, a control system and the explosion-proof pipe device 100 according to any one of the above embodiments. The flow detecting assembly 1 and the pressure detecting assembly 2 of the explosion-proof pipe device 100 are arranged on the shell 3 of the explosion-proof pipe device 100. The shell 3 is connected with the pipeline. The control assembly of the explosion-proof pipe device 100 is electrically connected with the control system.

[0070] In this embodiment, the explosion-proof pipe device 100 of the present application is applied in various hydraulic transmission systems and can be used to monitor the flow and pressure of the hydraulic system in real time to detect whether the hydraulic system is pipe explosion. If the pipe explosion or other abnormal conditions are detected, the alarm is actively given and the alarm signal is sent to the hydraulic system, so that the control system of the hydraulic system gives an alarm or stops the hydraulic system to protect the safe operation of the hydraulic system.

[0071] Specifically, the shell 3 of the explosion-proof pipe device 100 is connected with the pipeline of the hydraulic system. The flow detecting assembly 1 is arranged on the shell 3 and is used to detect the real-time flow of the liquid in the pipeline and then send the flow parameter to the control assembly. The pressure detecting assembly 2 is arranged on the shell 3 and is used to detect the real-time pressure of the liquid in the pipeline and then send the pressure parameter to the control assembly.

[0072] The indicating assembly 4 is arranged on the outer surface of the control cabinet 5, which is convenient for the operator to check the current running state of the hydraulic system, such as the current flow parameter and the current pressure parameter.

[0073] The control assembly is arranged in the interior of the control cabinet 5, and can provide protection such as waterproof and dustproof for the control assembly. The control assembly can receive the flow parameter of the pipeline sent by the flow detection assembly 1 and the pressure parameter of the pipeline sent by the pressure detection assembly 2. The control assembly is a core control component of the whole device, is responsible for receiving, processing and displaying the flow and pressure signals, and judges and controls according to the set parameters. By setting the detection parameters of the control assembly, the flow and pressure real-time parameters when the pipe bursts can be set. When the control assembly detects that the flow parameter of the flow detection assembly 1 and the pressure parameter of the pressure detection assembly 2 do not reach the set value, it is judged that the pipe does not burst. When the control assembly detects that the flow parameter of the flow detection assembly 1 and the pressure parameter of the pressure detection assembly 2 reach the set value, it is judged that the pipe bursts, and the alarm is turned on, and the signal is transmitted to the indication assembly 4. The indication assembly 4 indicates the alarm information, and at the same time, the alarm signal is connected to the control system of the original hydraulic system, so as to realize the alarm or shutdown processing of the hydraulic system pipe burst, so as to protect the hydraulic system in time and avoid greater loss caused by pipe burst.

[0074] Compared with the prior art, the anti-pipe burst device 100 of the embodiment of the application is used on the hydraulic system, the flow and pressure of the hydraulic system pipeline liquid can be detected through the flow detection assembly 1 and the pressure detection assembly 2, whether the leakage occurs can be judged through the flow and pressure, when the flow parameter and the pressure parameter reach the set value, the leakage is judged, and then the alarm is given, the detection and the alarm are more accurate; at the same time, the more accurate alarm improves the overall safety and the material waste caused by oil leakage. In addition, the increased flow and pressure detection greatly reduces the repair time when the hydraulic system fails, and reduces the labor.

[0075] The above only describes the preferred embodiments of the application, and does not limit the patent scope of the application, and any equivalent structure or equivalent flow transformation obtained by using the content of the specification and the drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the application.

Claims

1. An explosion-proof tube arrangement, characterized in that include: Flow detection assembly, pressure detection assembly, housing, control assembly, indicating assembly, and control cabinet; The flow detection component and the pressure detection component are respectively disposed on the housing and are both electrically connected to the control component. The housing is used to connect to the pipeline of the hydraulic system. The indicating component is disposed on the outer surface of the control cabinet, and the control component is disposed inside the control cabinet and is used to electrically connect to the control system of the hydraulic system. The flow detection component includes a flow sensor, and the pressure detection component includes a pressure sensor. The flow sensor and the pressure sensor are redundantly configured so that when one sensor fails, other flow sensors of the same type can still work normally, ensuring the continuous monitoring capability of the explosion-proof pipe device. The control component is used to receive the flow parameters of the pipeline detected by the flow detection component and the pressure parameters of the pipeline detected by the pressure detection component, and when it is determined that the flow parameters and the pressure parameters have reached the set values, it controls the indicator component to issue an alarm indication and send an alarm signal to the control system. The explosion-proof pipe device also includes an instrument assembly, which is disposed on the outer surface of the control cabinet. The control assembly is used to control the instrument assembly to display the flow parameters and pressure parameters in real time. The indicator components include a normal indicator light and a leakage indicator light; The explosion-proof pipe device also includes two pipe connectors, which are respectively fixed to both ends of the housing and used to connect to the pipeline. The pipe connectors include welded pipe connectors, which are suitable for non-corrosive or corrosive media, including oil, water, and gas. The installation method of the explosion-proof pipe device is as follows: first, the flow detection component and the pressure detection component are respectively installed and fixed on the housing, then the welded pipe connectors are installed at both ends of the housing, and then the assembled housing is installed and welded together to the pressure outlet pipeline of the hydraulic system to ensure a firm connection and good sealing to prevent leakage from affecting the measurement accuracy.

2. A flameproof tube arrangement according to claim 1, characterised in that The explosion-proof pipe device also includes a connecting line, and the flow detection component and the pressure detection component are electrically connected to the control component through the connecting line.

3. An explosion-proof tube arrangement according to any one of claims 1-2, characterized in that The explosion-proof pipe device also includes a start / stop switch, which is used to electrically connect to the control component.

4. An explosion-proof tube arrangement according to any one of claims 1-2, characterized in that The control cabinet has ventilation holes on its back.

5. A hydraulic system characterized by, include: Piping; Control system; and The explosion-proof pipe device as described in any one of claims 1-4, wherein the flow detection component and the pressure detection component of the explosion-proof pipe device are respectively disposed on the housing of the explosion-proof pipe device, the housing is connected to the pipeline, and the control component of the explosion-proof pipe device is electrically connected to the control system.

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