CN216056182U - Cable explosion-proof box and cable monitoring system - Google Patents
Cable explosion-proof box and cable monitoring system Download PDFInfo
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- CN216056182U CN216056182U CN202122544490.XU CN202122544490U CN216056182U CN 216056182 U CN216056182 U CN 216056182U CN 202122544490 U CN202122544490 U CN 202122544490U CN 216056182 U CN216056182 U CN 216056182U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 37
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model provides a cable explosion-proof box and a cable monitoring system, wherein the cable explosion-proof box comprises: the explosion-proof box comprises an explosion-proof box body and a microprocessor fixed on the inner side of the explosion-proof box body, wherein the microprocessor is in communication connection with at least one sensing element in the explosion-proof box and is in communication connection with an external control terminal; the explosion-proof box body comprises a first shell and a second shell which are both arc-shaped, the first shell and the second shell are both made of flexible waterproof materials, and the first shell and the second shell are symmetrically connected to form a first cavity for accommodating and retaining a cable penetrating pipe; the utility model adopts the outer shell with a flexible structure, and can adapt to the passing of cable tubes with various specifications; through the real-time monitoring of the position environment parameter and the liquid level parameter of the cable joint, the early warning of fire or flash explosion of the cable is realized.
Description
Technical Field
The utility model relates to the technical field of fastening and connecting tools, in particular to a cable explosion-proof box and a cable monitoring system.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
According to the laying construction requirement of the power cable, the middle joint of the power cable must be connected with an explosion-proof box, and the explosion-proof box plays a role in protecting the power cable and prevents accidents caused by cable flash explosion.
Most of the existing cable explosion-proof boxes adopt a hard shell structure and cannot adapt to the explosion-proof protection of power cable joints of various styles; the existing cable joint cannot realize environmental monitoring and liquid level monitoring at the position, and cannot realize quick early warning of fire or flash explosion of the cable joint.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a cable explosion-proof box and a cable monitoring system, wherein an external shell with a flexible structure is adopted, and the cable explosion-proof box can adapt to the passing of cable through pipes with various specifications; through the real-time monitoring of the position environment parameter and the liquid level parameter of the cable joint, the early warning of fire or flash explosion of the cable is realized.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a cable explosion-proof box in a first aspect.
A cable explosion-proof enclosure comprising: the explosion-proof box comprises an explosion-proof box body and a microprocessor fixed on the inner side of the explosion-proof box body, wherein the microprocessor is in communication connection with at least one sensing element in the explosion-proof box and is in communication connection with an external control terminal;
the explosion-proof box body comprises a first shell and a second shell which are both arc-shaped, the first shell and the second shell are made of flexible waterproof materials, and the first shell is symmetrically connected with the second shell to form a first cavity for accommodating and retaining a cable penetrating pipe.
Furthermore, two sides of the first shell along the axis direction are provided with first lug plates, and two sides of the second shell along the axis direction are provided with second lug plates;
the first adsorption element is arranged on one side of the first ear plate opposite to the second ear plate, and the second adsorption element matched with the first adsorption element is arranged on one side of the second ear plate opposite to the first ear plate.
Furthermore, at least one first protrusion is arranged on one side of the first ear plate opposite to the second ear plate, and a first groove matched with the first protrusion is arranged on one side of the second ear plate opposite to the first ear plate;
the first ear plate is provided with at least one second groove at one side opposite to the second ear plate, and the second ear plate is provided with a second bulge matched with the second groove at one side opposite to the first ear plate.
Furthermore, the first lug plate extends along the axial direction of the first shell and exceeds the end parts at the two ends of the first shell, and the second lug plate extends along the axial direction of the second shell and exceeds the end parts at the two ends of the second shell;
the first end of the first shell is provided with an arc-shaped first sealing element, the other end of the first shell is provided with an arc-shaped second sealing element, one end of the second shell is provided with an arc-shaped third sealing element, and the second end of the second shell is provided with an arc-shaped fourth sealing element;
the first sealing element and the second sealing element are connected with the first ear plate, the third sealing element and the fourth sealing element are connected with the second ear plate, the first sealing element, the third sealing element, the first ear plate and the second ear plate form a second cavity, the second sealing element, the third sealing element, the first ear plate and the second ear plate form a third cavity, and the second cavity, the first cavity and the third cavity are sequentially communicated.
Further, the microprocessor is arranged in the closed shell, and the closed shell is fixed to the top of the outer side of the explosion-proof box body or the top of the first cavity.
Furthermore, the sensing element at least comprises a temperature and humidity sensing element and a liquid level sensing element which are in communication connection with the microprocessor respectively, the temperature and humidity sensing element is arranged on the side portion of the first cavity, and the liquid level sensing element is arranged at the bottom of the first cavity.
Furthermore, the microprocessor is an STC89C51 processor, the temperature and humidity sensing element adopts a DHT11 temperature and humidity sensor, a GND port of the DHT11 temperature and humidity sensor is grounded, a DATA port of the DHT11 temperature and humidity sensor is connected with a P1.3 port of the STC89C51 processor through a first resistor, a first power supply is connected to a connecting line of the DATA port of the DHT11 temperature and humidity sensor and the first resistor, and an SCK port of the DHT11 temperature and humidity sensor is connected with a P1.2 port of the STC89C51 processor.
Furthermore, the liquid level sensing element is an LM1042 liquid level sensor, and a VREF port of the LM1042 liquid level sensor is connected with a P1.4 port of the STC89C51 processor.
Furthermore, the explosion-proof box also comprises a positioning module fixed at the inner top of the explosion-proof box body, the positioning module adopts an LEA-6T module, the microprocessor is connected with an RxD1 port of the LEA-6T module through a P2.1 port of an STC89C51 processor, and is connected with a TxD1 port of the LEA-6T module through a P2.2 port of an STC89C51 processor.
Furthermore, the GSM module is connected with the STC89C51 processor, the GSM adopts a GSM module of A6 type, an RX port of the GSM module is connected with a P2.4 port of the STC89C51 processor, and a TX port of the GSM module is connected with a P2.5 port of the STC89C51 processor.
The utility model provides a cable monitoring system in a second aspect, which comprises a control terminal and at least one cable explosion-proof box in the first aspect, wherein a microprocessor in the cable explosion-proof box is in communication connection with the control terminal.
Compared with the prior art, the utility model has the beneficial effects that:
1. the cable explosion-proof box and the cable monitoring system adopt the external shell with a flexible structure, and can adapt to the passing of cable penetrating pipes with various specifications; through the real-time monitoring of the position environment parameter and the liquid level parameter of the cable joint, the early warning of fire or flash explosion of the cable is realized.
2. The cable explosion-proof box and the cable monitoring system adopt the microprocessor and the sensing element with low power consumption, realize the long-time monitoring of the cable joint and avoid the power failure of monitoring equipment.
3. The cable explosion-proof box and the cable monitoring system meet the requirements of water resistance, explosion prevention and flashing of a power cable, effectively prevent water from entering a cable through pipe, realize rapid acquisition of field data and timely acquisition of alarm signals, avoid flash explosion caused by dampness of the cable, and guarantee safe operation of a power distribution network.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
Fig. 1 is a schematic structural diagram of a cable explosion-proof box provided in embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of a microprocessor according to embodiment 1 of the present invention.
Fig. 3 is a schematic connection diagram of a temperature and humidity sensor provided in embodiment 1 of the present invention.
Fig. 4 is a schematic connection diagram of the liquid level sensor provided in embodiment 1 of the present invention.
Fig. 5 is a schematic diagram of a GPS module connection provided in embodiment 1 of the present invention.
Fig. 6 is a schematic diagram of GSM module connection provided in embodiment 1 of the present invention.
1-a first housing; 2-a second housing; 3-a first ear plate; 4-a second ear plate; 5-a first seal; 6-a second seal; 7-a third seal; 8-a fourth seal; 9-cable through pipe.
Detailed Description
The utility model is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Example 1:
as shown in fig. 1, embodiment 1 of the present invention provides a cable explosion-proof box, including: the explosion-proof box comprises an explosion-proof box body and a microprocessor fixed on the inner side of the explosion-proof box body, wherein the microprocessor is in communication connection with at least one sensing element in the explosion-proof box and is in communication connection with an external control terminal;
the explosion-proof box body comprises a first shell 1 and a second shell 2 which are both arc-shaped, the first shell 1 and the second shell 2 are both made of flexible waterproof materials, and the first shell 1 and the second shell 2 are symmetrically connected to form a first cavity for accommodating and retaining a cable penetrating pipe.
The two sides of the first shell along the axis direction are provided with first lug plates 3, and the two sides of the second shell along the axis direction are provided with second lug plates 4;
the side of the first ear plate 3 opposite to the second ear plate 4 is provided with a first suction element, and the side of the second ear plate opposite to the first ear plate is provided with a second suction element cooperating with the first suction element.
In this embodiment, the first housing 1 and the second housing 2 have the same structure and shape, the first housing 1 and the second housing 2 are butted to form a cylindrical cavity or an elliptical cavity, the butting surfaces of the first housing 1 and the second housing 2 are in contact connection, the first ear plates 3 are disposed on two sides of the first housing 1, the second ear plates 4 are disposed on two sides of the second housing 2, and the first housing 1 and the second housing 2 are fastened and connected by the cooperation of the first adsorption element and the second adsorption element.
It will be appreciated that in other embodiments, the side of the first ear plate opposite the second ear plate is provided with at least one first protrusion, and the side of the second ear plate opposite the first ear plate is provided with a first recess that mates with the first protrusion, preferably a plurality of first protrusions and first recesses that mate with each other randomly along a spiral path.
The first lug plate is provided with at least one first groove, the second lug plate is provided with a second protrusion matched with the first groove, and the first protrusion and the second groove are arranged at the opposite side of the first lug plate and the second lug plate and are matched with each other.
It will be appreciated that in other embodiments, a plurality of threaded holes are correspondingly formed in each of the first and second ear plates 3 and 4, and further fixing of the first and second housings 1 and 2 is performed by bolts.
It is understood that in other embodiments, the contact surface of the first housing 1 is fixedly connected to the top surface of the first ear plate 3, the contact surface of the second housing 2 is fixedly connected to the bottom surface of the second ear plate 4, and the first housing 1 and the second housing 2 are fixedly connected by the cooperation of the first adsorption element and the second adsorption element, wherein the first cavity is formed by the first housing 1, the second housing 2, the first ear plate 3 and the second ear plate 4.
The first ear plate 3 of this embodiment extends beyond the end portions of the two ends of the first housing 2 along the axial direction of the first housing 1, and the second ear plate 2 extends beyond the end portions of the two ends of the second housing 2 along the axial direction of the second housing 2, that is, the two ends of the first ear plate 3 both exceed the end portions of the first housing 2, and the two ends of the second ear plate 4 both exceed the end portions of the second housing 2.
A first end of the first shell 1 is provided with an arc-shaped first sealing element 5, the other end of the first shell 1 is provided with an arc-shaped second sealing element 6, one end of the second shell 2 is provided with an arc-shaped third sealing element 7, and the second end of the second shell 2 is provided with an arc-shaped fourth sealing element 8;
In this embodiment, microprocessor sets up in airtight casing, just airtight casing is fixed at the outside top of explosion-proof box body or is fixed at the top of first cavity, and the technical personnel in the art can select according to specific operating mode, and it is no longer repeated here.
It can be understood that the sealed shell is provided with a plurality of threading holes, and the threading holes are sealed through the sealing rings and used for realizing the passing of the power supply line and the communication line.
In this embodiment, the power supply of each sensing element and the microprocessor is provided by a separate power supply line laid along the power cable or a large-capacity battery, and those skilled in the art can select the power supply according to specific working conditions, which is not described herein again.
The sensing element at least comprises a temperature and humidity sensing element and a liquid level sensing element which are in communication connection with the microprocessor respectively, the temperature and humidity sensing element is arranged on the side of the first cavity, and the liquid level sensing element is arranged at the bottom of the first cavity.
It can be understood that, in some other embodiments, the temperature and humidity sensing element can also be arranged at the top of the inner side of the first cavity, and the liquid level sensing element is arranged on the inner side wall of the first cavity close to the bottom, so that those skilled in the art can select the temperature and humidity sensing element according to specific working conditions as long as accurate environmental parameters and liquid level parameter monitoring can be realized, and details are not repeated herein.
In this embodiment, the microprocessor is an STC89C51 processor, as shown in fig. 2, the temperature and humidity sensing element employs a DHT11 temperature and humidity sensor, as shown in fig. 3, a GND port of the DHT11 temperature and humidity sensor is grounded, a DATA port of the DHT11 temperature and humidity sensor is connected to a P1.3 port of the STC89C51 processor through a first resistor, a first power supply is connected to a connection line between the DATA port of the DHT11 temperature and humidity sensor and the first resistor, and an SCK port of the DHT11 temperature and humidity sensor is connected to the P1.3 port of the STC89C51 processor.
It can be understood that, in some other embodiments, the microprocessor may also be an AT89C51 single chip microcomputer, or an STM32F103C8T6 single chip microcomputer, and a person skilled in the art may select the microprocessor according to a specific working condition, which is not described herein again.
In this embodiment, as shown in fig. 4, the liquid level sensing element is an LM1042 liquid level sensor, and a VREF port of the LM1042 liquid level sensor is connected to a P1.4 port of the STC89C51 processor.
It can be understood that, in other embodiments, the liquid level sensing element may also adopt a plurality of detection lines arranged in a high-low order, and each line is connected with the microprocessor through the analog-to-digital conversion circuit to implement liquid level monitoring, and a person skilled in the art may select the liquid level sensing element according to a specific working condition, which is not described herein again.
In this embodiment, the explosion-proof box further comprises a positioning module fixed on the inner top of the explosion-proof box body, the positioning module adopts an LEA-6T module, as shown in fig. 5, a P2.1 port of an STC89C51 processor is connected with an RxD1 port of the LEA-6T module, and a P2.2 port of the STC89C51 processor, which is a microprocessor, is connected with a TxD1 port of the LEA-6T module.
In this embodiment, the emergency alarm system further includes a GSM module connected to the STC89C51 processor, as shown in fig. 6, the GSM module is an a6 type GSM module, the GSM module RX port is connected to the P2.4 port of the STC89C51 processor, and the GSM module TX port is connected to the P2.5 port of the STC89C51 processor, so that the GSM module is used to quickly send alarm information, and thus faster maintenance is performed to avoid a flash explosion accident or a fire accident.
Example 2:
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An explosion-proof box of cable which characterized in that:
the method comprises the following steps: the explosion-proof box comprises an explosion-proof box body and a microprocessor fixed on the inner side of the explosion-proof box body, wherein the microprocessor is in communication connection with at least one sensing element in the explosion-proof box and is in communication connection with an external control terminal;
the explosion-proof box body comprises a first shell and a second shell which are both arc-shaped, the first shell and the second shell are made of flexible waterproof materials, and the first shell is symmetrically connected with the second shell to form a first cavity for accommodating and retaining a cable penetrating pipe.
2. The cable blast resistant enclosure of claim 1, wherein:
the two sides of the first shell along the axis direction are provided with first lug plates, and the two sides of the second shell along the axis direction are provided with second lug plates;
the first adsorption element is arranged on one side of the first ear plate opposite to the second ear plate, and the second adsorption element matched with the first adsorption element is arranged on one side of the second ear plate opposite to the first ear plate.
3. The cable blast resistant closure of claim 2, wherein:
the first lug plate extends along the axial direction of the first shell and exceeds the end parts of the two ends of the first shell, and the second lug plate extends along the axial direction of the second shell and exceeds the end parts of the two ends of the second shell;
the first end of the first shell is provided with an arc-shaped first sealing element, the other end of the first shell is provided with an arc-shaped second sealing element, one end of the second shell is provided with an arc-shaped third sealing element, and the second end of the second shell is provided with an arc-shaped fourth sealing element;
the first sealing element and the second sealing element are connected with the first ear plate, the third sealing element and the fourth sealing element are connected with the second ear plate, the first sealing element, the third sealing element, the first ear plate and the second ear plate form a second cavity, the second sealing element, the third sealing element, the first ear plate and the second ear plate form a third cavity, and the second cavity, the first cavity and the third cavity are sequentially communicated.
4. The cable blast resistant closure of claim 2, wherein:
at least one first bulge is arranged on one side of the first lug plate opposite to the second lug plate, and a first groove matched with the first bulge is arranged on one side of the second lug plate opposite to the first lug plate;
the first ear plate is provided with at least one second groove at one side opposite to the second ear plate, and the second ear plate is provided with a second bulge matched with the second groove at one side opposite to the first ear plate.
5. The cable blast resistant enclosure of claim 1, wherein:
the microprocessor is arranged in the closed shell, and the closed shell is fixed at the top of the outer side of the explosion-proof box body or at the top of the first cavity;
the sensing element at least comprises a temperature and humidity sensing element and a liquid level sensing element which are in communication connection with the microprocessor respectively, the temperature and humidity sensing element is arranged on the side of the first cavity, and the liquid level sensing element is arranged at the bottom of the first cavity.
6. The cable blast resistant closure of claim 5, wherein:
the microprocessor is an STC89C51 processor, the temperature and humidity sensing element adopts a DHT11 temperature and humidity sensor, a GND port of the DHT11 temperature and humidity sensor is grounded, a DATA port of the DHT11 temperature and humidity sensor is connected with a P1.3 port of the STC89C51 processor through a first resistor, a first power supply is connected to a connecting line of the DATA port of the DHT11 temperature and humidity sensor and the first resistor, and an SCK port of the DHT11 temperature and humidity sensor is connected with a P1.2 port of the STC89C51 processor.
7. The cable blast resistant closure of claim 5, wherein:
the microprocessor is an STC89C51 processor, the liquid level sensing element is an LM1042 liquid level sensor, and a VREF port of the LM1042 liquid level sensor is connected with a P1.4 port of the STC89C51 processor.
8. The cable blast resistant closure of claim 5, wherein:
the microprocessor is an STC89C51 processor and also comprises a positioning module fixed at the inner top of the explosion-proof box body, the positioning module adopts an LEA-6T module, the microprocessor is connected with an RxD1 port of the LEA-6T module through a P2.1 port of the STC89C51 processor, and is connected with a TxD1 port of the LEA-6T module through a P2.2 port of the STC89C51 processor.
9. The cable blast resistant closure of claim 5, wherein:
the microprocessor is an STC89C51 processor and further comprises a GSM module connected with the STC89C51 processor, the GSM adopts a6 type GSM module, an RX port of the GSM module is connected with a P2.4 port of the STC89C51 processor, and a TX port of the GSM module is connected with a P2.5 port of the STC89C51 processor.
10. A cable monitoring system, characterized by:
comprising a control terminal and at least one cable gland as claimed in any one of claims 1 to 9, wherein the microprocessor in the cable gland is in communication connection with the control terminal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122544490.XU CN216056182U (en) | 2021-10-21 | 2021-10-21 | Cable explosion-proof box and cable monitoring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122544490.XU CN216056182U (en) | 2021-10-21 | 2021-10-21 | Cable explosion-proof box and cable monitoring system |
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CN216056182U true CN216056182U (en) | 2022-03-15 |
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CN202122544490.XU Active CN216056182U (en) | 2021-10-21 | 2021-10-21 | Cable explosion-proof box and cable monitoring system |
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2021
- 2021-10-21 CN CN202122544490.XU patent/CN216056182U/en active Active
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