CN213985449U - Wireless communication intelligent temperature measurement fire-proof and explosion-proof blanket - Google Patents

Abstract

The utility model relates to a wireless communication intelligence temperature measurement fire prevention explosion-proof blanket, including the fine cloth of silica gel coating glass of rectangle form and lay a plurality of fire prevention pottery porcelain silica gel pieces on the fine cloth of silica gel coating glass, the fire prevention explosion-proof blanket wraps up outside cable joint, and inside fixed a plurality of temperature acquisition sensor, still includes acquisition terminal, acquisition terminal is equipped with the micropower wireless module who is connected with the wireless communication of a plurality of temperature acquisition sensor, and a plurality of temperature acquisition sensor gathers the temperature after the multiple spot, gathers acquisition terminal to pass to the low pressure distribution intelligence fusion terminal of block terminal through the micropower wireless module. The utility model discloses a fire and explosion protection blanket adopts multilayer protective structure cladding to play the guard action outside cable intermediate head, can protect adjacent cable not receive the damage when cable intermediate head takes place to puncture the explosion, avoids arousing the conflagration, causes the secondary harm.

Description

Wireless communication intelligent temperature measurement fire-proof and explosion-proof blanket

Technical Field

The utility model belongs to the technical field of electric power engineering, concretely relates to explosion-proof blanket.

Background

At present, the safety of medium and high voltage cables is very important for power supply. In the long-term operation process, the external thermal fault of the medium-high voltage cable mainly means that the temperature of a joint rises, the contact resistance increases and the vicious circle causes potential safety hazards under the action of large current due to poor contact of the joint and other reasons of each node. In recent years, excessive cable overheating has occurred, resulting in fire and large-area power outage accidents. The problem of cable overheating is the key to prevent such accidents. At present, all industries in China pay high attention to cable fire prevention work, and eighteen major grid anti-accident measures of national grid companies also serve as important instructions. However, in summary, it is often found and worked at the beginning of a fire or at a later stage. If the temperature can be found in time in the slow or abnormal rising period of the fire latency period, remedial measures are taken, and the optimal prevention time is obtained.

Because of the existence of contact resistance, poor performance of insulating materials or imperfect manufacturing process and other reasons, faults such as single-phase grounding, interphase short circuit and the like are easily generated at the middle joint of the power cable, in order to overcome the defects, improve the power supply reliability and reduce or eliminate the faults, the operating state of the cable joint is monitored by measuring the surface temperature of the cable joint through an intelligent interconnected flexible fireproof explosion-proof blanket, and the insulation aging condition of the cable joint is found in time; in addition, the power cable or accessory medium local defects, insulation breakdown precursors, accidental fires and the like can cause the surface temperature of the power cable to have abnormal heat effect in different degrees, and the temperature detection can effectively prevent accidents.

The preventive measures adopted in China in the past are that direct current voltage resistance and remote measurement insulation are carried out by regularly cutting off power, which only can react to the condition that insulation has obvious defects, and sudden cable accidents cannot be effectively prevented and reduced. Therefore, the method is particularly important for temperature detection and early warning of the operating cable.

SUMMERY OF THE UTILITY MODEL

To prior art's defect, the utility model aims to solve the technical problem that a wireless communication intelligence temperature measurement fire prevention explosion-proof blanket is provided, the convenient temperature that realizes the operation cable detects and early warning.

In order to solve the technical problem, the utility model adopts the following technical scheme: wireless communication intelligence temperature measurement fire prevention explosion-proof blanket, including the fine cloth of the silica gel coating glass of rectangle form and lay a plurality of fire prevention pottery silica gel pieces on the fine cloth of silica gel coating glass, fire prevention explosion-proof blanket wraps up outside cable joint, and inside a plurality of temperature acquisition sensor of fixing, still includes acquisition terminal, acquisition terminal is equipped with the micropower wireless module who is connected with the wireless communication of a plurality of temperature acquisition sensor, and after a plurality of temperature acquisition sensor multiple spot gathered the temperature, the acquisition terminal that gathers to pass to the low pressure distribution intelligence fusion terminal of block terminal through micropower wireless module.

Preferably, the fireproof ceramic silica gel sheets are arranged in a rectangular array.

Preferably, the fireproof and explosion-proof blanket is tied by a stainless steel cable tie.

Preferably, the acquisition terminal comprises a shell, the micro-power wireless module is installed in the shell, and the antenna is located outside the shell.

Preferably, the collection terminal is powered by a storage battery, and the storage battery is arranged in the shell.

Preferably, the shell is fixed on a cable well wall above the cable joint by adopting an expansion screw.

The utility model discloses a technical scheme, following beneficial effect has:

the utility model discloses a fire prevention and explosion protection blanket adopts multilayer protective structure, combines to form by the fine cloth of high temperature resistant silica gel coating glass with fire prevention pottery porcelain silica gel piece, adopts around package formula cladding and play the guard action outside the cable intermediate head, can protect adjacent cable not receive the damage when the cable intermediate head takes place to puncture the explosion, avoids arousing the conflagration, causes the secondary harm.

The utility model discloses a fire prevention and explosion-proof blanket embeds a plurality of temperature acquisition sensor, realizes the multiple spot temperature detection, and maximum limit monitoring cable joint temperature, monitoring temperature exceed 85 ℃ and report alarm information through radio communication immediately, realize early warning.

The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

fig. 1 is the utility model discloses wireless communication intelligence temperature measurement fire prevention explosion-proof blanket's schematic structure.

Fig. 2 is a schematic diagram of an information uploading path acquired by the temperature acquisition sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an intelligent interconnected flexible fire-proof and explosion-proof monitoring system comprises a fire-proof and explosion-proof blanket, a collection terminal, a low-voltage power distribution intelligent fusion terminal and a smart internet of things cloud platform.

The fireproof and explosion-proof blanket comprises rectangular silica gel coating glass fiber cloth 1 and a plurality of fireproof ceramic silica gel sheets 2 laid on the silica gel coating glass fiber cloth, and is wrapped outside the cable joint and internally fixed with a plurality of temperature acquisition sensors 3. The explosion-proof blanket covers outside the cable intermediate head to play a protective role, and can protect the adjacent cable from being damaged when the cable intermediate head breaks down and explodes, thereby avoiding causing fire and causing secondary damage. And through a plurality of temperature acquisition sensors, realize the multiple spot temperature detection, maximum scope monitoring cable joint temperature.

Specifically, a temperature acquisition point is respectively arranged at the front end and the rear end of each phase joint of the ABC three-phase joint of the cable joint; according to the size of the package radius, the ABC three-phase connector is respectively provided with collection points, six temperature collection points are counted, and the front end and the rear end of the whole body respectively form an enclosing ring, so that multipoint temperature monitoring is realized.

Furthermore, the acquisition terminal is provided with a micropower wireless module in wireless communication connection with the plurality of temperature acquisition sensors.

Wherein, a plurality of fireproof ceramic silica gel sheets are arranged in a rectangular array shape. So as to conveniently adopt the wrapping type to coat outside the cable intermediate joint.

In order to ensure the firmness of the coating, the fireproof and explosion-proof blanket is tied by a stainless steel cable tie.

Specifically, the acquisition terminal comprises a shell, the micro-power wireless module is installed in the shell, and the antenna is located on the outer side of the shell. The acquisition terminal adopts the battery power supply, the battery is installed in the casing. The shell protection rating is IP 65.

Furthermore, the shell is fixed on a cable well wall above the cable joint by adopting an expansion screw.

Referring to fig. 2, after collecting temperatures at multiple points, a plurality of temperature collecting sensors collect the temperatures and collect the temperatures to a collecting terminal, and the temperature collecting sensors report alarm information when the monitored temperature exceeds 85 ℃; the information gathered to the acquisition terminal is uploaded to a low-voltage power distribution intelligent fusion terminal of a power distribution room through the micropower wireless module. Therefore, when the monitored temperature exceeds the set temperature, for example 85 ℃, the alarm information is reported immediately through wireless communication, and early warning is realized

Furthermore, the low-voltage power distribution intelligent fusion terminal is accessed to the intelligent Internet of things cloud platform through a power private network or a 4G/5G network. Certainly, the acquisition terminal can also access the power distribution network gateway by adopting a network cable, directly reports to the smart internet of things platform, and is in communication connection with the handheld terminal, such as a mobile phone, a tablet computer and the like. Therefore, the smart internet of things cloud platform can monitor in real time, and the alarm information can be forwarded to the mobile phone of the person on duty so as to be processed in time.

The smart internet of things cloud platform is further connected with other function monitoring systems, and various collected information and security information in a backbone communication network of the platform area are monitored in real time. After the networking of the communication network of the low-voltage distribution transformer area is completed, the routing table of the wireless communication network is completed. The information of the real-time monitoring system comprises the following:

(1) the central node state monitoring function mainly monitors: a list of communication access devices, communication rate (max/min average), channel bandwidth, data traffic, congestion status, history of communication failures, wireless signal field strength, routing table lookup, etc.

(2) The wireless security low-power consumption sensor end equipment reports state monitoring: sensor access disconnection time, communication parameters (address, protocol, calibration coefficients, threshold settings, etc.), real-time data (max min average), device type (temperature, smoke, water level, displacement, noxious gases), device ID, etc.

(3) The state monitoring function of the communication node mainly monitors communication speed (maximum and minimum average), channel bandwidth, data flow, blocking state, communication fault occurrence time (forming historical records), wireless signal field intensity, signal to noise ratio, optimal path, measurement value and the like.

(4) The state monitoring function of the communication node is expanded, the access state of the wireless low-power consumption sensor needs to be monitored and converged, and the monitoring content is as follows: sensor access disconnection time, communication parameters (address, protocol, calibration coefficients, threshold settings, etc.), real-time data (max min average), equipment type (smoke, water level, fire and explosion), equipment ID, etc.

(5) The security alarm function is used for rapidly pushing fault alarm information such as communication blockage and communication interruption of security end equipment upwards, and the alarm information is reported to the smart internet of things cloud platform function in time; and inquiring the alarm event record in real time.

Therefore, the following functions can be realized:

(1) alarm pushing and troubleshooting

The final purpose of the security real-time monitoring is communication alarm monitoring, fault alarm information such as over-temperature alarm, communication blocking interruption and the like is quickly pushed upwards, and the alarm information is timely reported to the cloud platform function of the smart internet of things.

By monitoring the communication information of the low-voltage distribution transformer area in real time, the equipment fault and the communication fault can be quickly positioned according to the timeliness and the reliability of communication, and the active rush repair of the low-voltage fault can be realized. The method provides guidance for fault first-aid repair, improves the fault research and judgment work efficiency, and supports high-efficiency operation and maintenance of the low-voltage distribution network.

The intelligent terminal of the transformer area is additionally arranged on the distribution transformer, the low-voltage branch box and the ammeter which belong to the transformer are intelligently transformed, high-speed reliable communication between the intelligent terminal of the transformer area and the equipment which belongs to the transformer area is achieved, faults are analyzed and positioned according to real-time communication information monitoring and fault information pushing, and emergency repair personnel are informed to perform emergency repair, emergency repair power failure time is reduced, and user satisfaction is improved.

(2) Fault prediction and early troubleshooting

For low-voltage distribution wireless communication networks, methods such as real-time equipment monitoring and the like can find fault types in advance and position the fault types, timely arrange field maintenance, reduce hidden fault danger and improve working efficiency and customer satisfaction.

The intelligent integration terminal is arranged in a distribution area of the low-voltage distribution transformer, each node under the transformer is intelligently transformed, the characteristics of real-time performance and high reliability of a multimode communication network are utilized, efficient and smooth acquisition and reporting of various fault information are ensured, the position and the type of a fault possibly occurring are predicted in advance through a real-time monitoring APP of the intelligent terminal of the distribution area, then, a maintainer is informed to go to the site for further maintenance, and if hidden dangers occur, the fault rush-repair workload of the distribution area is reduced.

The utility model discloses realize that real-time supervision shows and updates communication state on wisdom thing networking platform, in time discover communication fault or equipment trouble, realize the low pressure and distribute the perception of block district wisdom thing antithetical couplet. The effect is embodied through the field environment, the operation data and the test point report; the method meets the demand of pilot application and embodies social effect and economic benefit.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (6)

1. Wireless communication intelligence temperature measurement fire prevention explosion-proof blanket, its characterized in that: including the fine cloth of silica gel coating glass of rectangle form and lay a plurality of fire prevention pottery porcelain silica gel pieces on the fine cloth of silica gel coating glass, fire prevention explosion-proof blanket wraps up outside cable joint, and inside fixed a plurality of temperature acquisition sensor, still includes acquisition terminal, acquisition terminal is equipped with the micropower wireless module who is connected with the wireless communication of a plurality of temperature acquisition sensor, and after a plurality of temperature acquisition sensor multiple spot gathered the temperature, gather acquisition terminal to pass to the low pressure distribution intelligent fusion terminal of joining in marriage electrical room on the micropower wireless module.

2. The wireless communication intelligent temperature measurement fireproof and explosion-proof blanket of claim 1, wherein: the fireproof ceramic silica gel sheets are arranged in a rectangular array shape.

3. The wireless communication intelligent temperature measurement fireproof and explosion-proof blanket of claim 1, wherein: the fireproof and explosion-proof blanket is tied by a stainless steel tie.

4. The wireless communication intelligent temperature measurement fireproof and explosion-proof blanket of claim 1, wherein: the collection terminal comprises a shell, the micro-power wireless module is installed in the shell, and the antenna is located on the outer side of the shell.

5. The wireless communication intelligent temperature measurement fireproof and explosion-proof blanket of claim 4, wherein: the acquisition terminal adopts the battery power supply, the battery is installed in the casing.

6. The wireless communication intelligent temperature measurement fireproof and explosion-proof blanket of claim 4, wherein: the shell is fixed on a cable well wall above the cable joint by adopting an expansion screw.

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