CN217386182U - Power supply monitoring device for subway fire-fighting equipment - Google Patents
Power supply monitoring device for subway fire-fighting equipment Download PDFInfo
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- CN217386182U CN217386182U CN202220712989.9U CN202220712989U CN217386182U CN 217386182 U CN217386182 U CN 217386182U CN 202220712989 U CN202220712989 U CN 202220712989U CN 217386182 U CN217386182 U CN 217386182U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 140
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a be used for subway fire-fighting equipment power monitoring device, it includes many control circuit and monitoring host, the control circuit includes monitoring sensor and repeater, monitoring sensor with monitoring host electric connection, the repeater respectively with monitoring host communication connection, monitoring sensor and repeater communication connection. The utility model discloses in with 32 bit low-power consumptions, the ARMcotex-M treater that the price/performance ratio is high as the core, adopt three-layer network deployment mode structure, promptly: the monitoring host, the monitoring sensor and the power supply of the electric equipment can support branch bus connection, star connection and the like, and the device is convenient to implement; the monitoring device is a 24V direct current, the performance is stable, safe and reliable, and the monitoring host and the monitoring sensor are communicated by adopting an RS485 communication interface, so that the rapid transmission of data can be realized. And a standard Modbus-RTU communication protocol is externally provided, so that data communication between the monitoring system and other standard systems can be realized.
Description
Technical Field
The utility model belongs to the technical field of fire-fighting equipment power monitored control system and specifically relates to a control accuracy height, response speed piece, stable more reliable be used for subway fire-fighting equipment power monitoring device are related to.
Background
The subway is used as a public gathering place and has the characteristics of narrow space, large pedestrian flow, more electric equipment, high power supply requirement and the like. When a fire disaster occurs, whether the fire fighting equipment can work normally or not is directly related to the life safety of people and the property safety of the state. In the subway region, once the fire at any position in the subway spreads and the fire-fighting equipment cannot be put into use in time, the fire-fighting equipment can threaten the lives and properties of passengers and people around the subway station. The power supply of the fire-fighting equipment is an important component of various types of fire-fighting equipment (systems), and only by monitoring the power supply of the fire-fighting system equipment, the harm caused by fire safety can be avoided, which is the significance of the setting and existence of the fire-fighting power supply monitoring system.
According to the requirements of national standard GB28184-2011 fire-fighting equipment power supply monitoring system, various fire-fighting equipment power supply monitoring system hosts and monitoring modules are successfully developed aiming at the characteristics of various fire-fighting equipment power supplies.
Therefore, how to solve the problems of low monitoring accuracy, slow response speed, high price, and the like in the prior art is one of the technical problems to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the above-mentioned prior art, the utility model aims to provide a control accuracy height, response speed piece, stable more reliable be used for subway fire-fighting equipment power monitoring device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a be used for subway fire-fighting equipment power monitoring device, its includes many control circuit and monitoring host, the control circuit includes monitoring sensor and repeater, monitoring sensor with monitoring host electric connection, the repeater respectively with monitoring host communication connection, monitoring sensor and repeater communication connection, wherein:
the monitoring sensor is a power supply monitoring sensor and is arranged close to the power supply of the fire fighting equipment; the monitoring host is arranged in the main cabinet, and an electrical appliance fire host is also arranged in the main cabinet.
Further preferred is: the monitoring loop comprises a plurality of monitoring sensors which are divided into a first monitoring unit and a second monitoring unit;
the monitoring sensor in the first monitoring unit is electrically connected with the monitoring host through a power line, the repeater is in communication connection with the monitoring host through a communication line, and the monitoring sensor is also in communication connection with the monitoring host through the communication line;
and the monitoring sensor in the second monitoring unit is electrically connected with the repeater through the power line, and is in communication connection with the repeater through the communication line.
Further preferred is: the monitoring sensor is electrically connected with the fire-fighting equipment power supply state monitor and is arranged close to the fire-fighting equipment power supply state monitor.
Further preferred is: the monitoring sensor is arranged in the special box.
Further preferred is: the distance between the monitoring sensor and the repeater is 1500 m.
Further preferably: the monitoring sensor is an SCK83X series power supply monitoring sensor which comprises a voltage sensor or/and a current sensor.
Further preferred is: and the monitoring host and the monitoring sensor are in communication connection by adopting an RS485 communication interface.
Further preferred is: the repeater is equipped with a bus isolator.
Further preferred is: the monitoring host is a monitoring module with an ARM core-M processor.
After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:
1. the utility model has a plurality of monitoring loops arranged in parallel, a plurality of monitoring sensors are arranged in the monitoring loops, the monitoring sensors are arranged close to the power consumption source of the fire-fighting equipment with monitored holes, the working state of the power supply source of the whole device can be displayed in real time in a monitoring module or a fire-fighting control room, and the monitoring accuracy is improved;
2. the monitoring host machine is internally provided with the ARM core-M processor and is communicated and connected by adopting the RS485 communication interface, so that the response speed of the monitoring device can be effectively improved on the aspect of reducing the cost of monitoring equipment;
3. the utility model discloses well adoption repeater, this repeater are equipped with bus isolator, have expansion bus communication distance's function, can promote fire control power monitored control system's reliability.
Drawings
Fig. 1 is a block diagram of a power supply monitoring device for a subway fire-fighting equipment in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description, but not for indication or suggestion that the device or element of the present invention must have a specific orientation, and thus cannot be understood as a limitation of the present invention.
Examples
The utility model provides a be used for subway fire-fighting equipment power monitoring device, can judge whether power supply unit has faults such as excessive pressure, under-voltage, overflows, opens circuit, short circuit and lack the looks, fire control linkage system's reliability when effectively guaranteeing the conflagration emergence.
As shown in fig. 1, the power supply monitoring device for the subway fire-fighting equipment comprises a plurality of monitoring loops and a monitoring host, wherein each monitoring loop comprises a monitoring sensor and a repeater, the monitoring sensors are electrically connected with the monitoring host, the repeaters are respectively in communication connection with the monitoring host, and the monitoring sensors are in communication connection with the repeaters.
Specifically, the method comprises the following steps: as shown in fig. 1, in the embodiment, the number of the monitoring loops is four, and the four monitoring loops are electrically connected to a monitoring host to form four detection circuit structures connected in parallel; the monitoring loop comprises two groups of monitoring units, namely a first monitoring unit and a second monitoring unit, and concretely comprises the following steps:
the first monitoring unit comprises a plurality of monitoring sensors, and each monitoring sensor is electrically connected with the monitoring host through a power line; the monitoring host is in communication connection with the repeater through a communication line, and each monitoring sensor is in communication connection with the monitoring host through the communication line;
the second monitoring unit comprises a plurality of monitoring sensors, each monitoring sensor is electrically connected with the repeater through a power line, and each monitoring sensor is in communication connection with the monitoring host through a communication line.
The fire fighting equipment power supply state monitor is arranged on a power supply of the fire fighting equipment.
The monitoring sensor is a power supply monitoring sensor, and the monitoring sensor is electrically connected with the fire-fighting equipment power supply state monitor and is close to the fire-fighting equipment power supply state monitor. The monitoring sensor can also be independently arranged in a special box. The monitoring sensor is an SCK83X series power supply monitoring sensor and comprises a voltage sensor or/and a current sensor, and the monitoring sensor can ensure that the working state of a power supply of the whole device can be displayed in real time in a monitoring module or a fire control room.
The monitoring host is arranged in the main cabinet, an electrical appliance fire host is also arranged in the main cabinet, and the monitoring host is in communication connection with the monitoring sensor through an RS485 communication interface; the monitoring host is a monitoring module with an ARM core-M processor.
The repeater is provided with a bus isolator, has the function of expanding the communication distance of the bus, can improve the reliability of the fire-fighting power supply monitoring system, and the distance between the monitoring sensor and the repeater is 1500 m.
The monitoring host computer is provided with RS-485 and RJ45 Ethernet interfaces, provides Modbus-RTU and Modbus-TCP communication protocols for the outside and can be connected with other standard systems.
The monitoring sensor uploads the acquired real-time data to the monitoring host, the monitoring host is matched with a monitoring system to calculate and process to realize various protection functions such as overvoltage, undervoltage, phase failure, overcurrent and power loss, and the latest 100 event information can be recorded in an event cycle without loss in power failure. When the voltage value of the monitored power supply is greater than 110% of the rated voltage, the monitored power supply is shown as an overvoltage fault, and when the voltage value of the monitored power supply is less than 85% of the rated voltage, the monitored power supply is shown as an undervoltage fault; and the state quantity transmission time (to the monitoring host) of the monitoring sensor is less than 1 second.
The monitored fire fighting equipment comprises a primary load main power supply and a standby power supply; such as: a signal system power supply, a smoke exhaust prevention fan, a fire pump power supply, a fire-fighting evacuation staircase power supply and the like.
Preferably: an alarm module is arranged in the monitoring host, and the alarm module is an acousto-optic linkage alarm module, so that a worker can timely eliminate fault hidden danger, and the normal working state of a fire-fighting power supply system is ensured; and Modbus-RTU and Modbus-TCP communication protocols are provided through the RS-485 and RJ45 Ethernet interfaces to be in communication connection with other systems, so that a complete alarm and early warning system is formed.
As shown in fig. 1, the utility model discloses in use 32 low-power consumptions, the ARM cotex-M treater that the price/performance ratio is high as the core, adopt three-layer network deployment mode structure, promptly: the monitoring host, the monitoring sensor and the power supply of the electric equipment can support branch bus connection, star connection and the like, and the device is convenient to implement; the monitoring device is 24V direct current, the performance is stable, safe and reliable, and the RS485 communication interface is adopted between the monitoring host and the monitoring sensor for communication, so that the rapid transmission of data can be realized. And a standard Modbus-RTU communication protocol is externally provided, so that data communication between the monitoring system and other standard systems can be realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A be used for subway fire-fighting equipment power monitoring device which characterized in that: it includes many control loops and monitoring host computer, the control loop includes monitoring sensor and repeater, monitoring sensor with monitoring host computer electric connection, the repeater respectively with monitoring host computer communication connection, monitoring sensor and repeater communication connection, wherein:
the monitoring sensor is a power supply monitoring sensor and is arranged close to the power supply of the fire fighting equipment; the monitoring host is arranged in the main cabinet, and an electrical appliance fire host is also arranged in the main cabinet.
2. The power supply monitoring device for the subway fire-fighting equipment as claimed in claim 1, wherein: the monitoring loop comprises a plurality of monitoring sensors which are divided into a first monitoring unit and a second monitoring unit;
the monitoring sensor in the first monitoring unit is electrically connected with the monitoring host through a power line, the repeater is in communication connection with the monitoring host through a communication line, and the monitoring sensor is also in communication connection with the monitoring host through the communication line;
and the monitoring sensor in the second monitoring unit is electrically connected with the repeater through the power line, and is in communication connection with the repeater through the communication line.
3. The power supply monitoring device for the subway fire-fighting equipment as claimed in claim 1, wherein: the monitoring sensor is electrically connected with the fire-fighting equipment power supply state monitor and is arranged close to the fire-fighting equipment power supply state monitor.
4. The power supply monitoring device for the subway fire-fighting equipment as claimed in claim 2 or 3, wherein: the monitoring sensor is arranged in the special box.
5. The power supply monitoring device for the subway fire-fighting equipment as claimed in claim 1, wherein: the distance between the monitoring sensor and the repeater is 1500 m.
6. The power supply monitoring device for the subway fire-fighting equipment as claimed in claim 1, wherein: the monitoring sensor is an SCK83X series power supply monitoring sensor which comprises a voltage sensor or/and a current sensor.
7. The power supply monitoring device for the subway fire-fighting equipment as claimed in claim 1, wherein: and the monitoring host and the monitoring sensor are in communication connection by adopting an RS485 communication interface.
8. The power supply monitoring device for the subway fire-fighting equipment as claimed in claim 1, wherein: the repeater is equipped with a bus isolator.
9. The power supply monitoring device for the subway fire-fighting equipment as claimed in claim 1, wherein: the monitoring host is a monitoring module with an ARM core-M processor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220656675 | 2022-03-24 | ||
| CN2022206566751 | 2022-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217386182U true CN217386182U (en) | 2022-09-06 |
Family
ID=83106163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220712989.9U Expired - Fee Related CN217386182U (en) | 2022-03-24 | 2022-03-29 | Power supply monitoring device for subway fire-fighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217386182U (en) |
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2022
- 2022-03-29 CN CN202220712989.9U patent/CN217386182U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220906 |