CN-224232237-U - Valve well and underground airtight space combustible gas detection system

Abstract

The utility model provides a valve well and underground airtight space combustible gas detection system, wherein a power supply module comprises a power supply circuit and a battery pack module, the battery pack module comprises a plurality of lithium batteries and lithium ion capacitors which are connected in parallel, the power supply module supplies power to the detection system, a leakage sensing module comprises a laser leakage sensor, a first boost module and a first UART communication module, the laser leakage sensor comprises a laser driving circuit, a laser, a measuring air chamber, a detector and a lock-in amplifier which are sequentially arranged, the Bluetooth communication module comprises a Bluetooth module, a buck module and a second UART communication module, and the wireless communication module comprises an LTE-Cat1 communication module, a second boost module and a third UART communication module.

Inventors

• ZHANG LIUHAI
• ZHU JUN
• YUAN YAO
• LI HEYING
• ZHU GUOHAO

Assignees

• 上海航天智慧能源技术有限公司

Dates

Publication Date

20260512

Application Date

20250417

Claims (4)

1. 1. Valve well and underground airtight space combustible gas detecting system, its characterized in that includes MCU controller, reveals sensing module, level sensor, power module, bluetooth communication module, hall sensor detection module, wireless communication module and external memory, power module includes power supply circuit and group battery module, group battery module includes a plurality of parallelly connected lithium cell and lithium ion capacitor, power module is the detection system power supply, reveal sensing module, level sensor, bluetooth communication module, hall sensor detection module, wireless communication module and external memory all with MCU controller communication connection, reveal sensing module includes laser and reveal sensor, first boost module and first UART communication module, laser is revealed the sensor and is including laser drive circuit, laser, measurement air chamber, detector and the lock-in amplifier that set gradually, bluetooth communication module includes bluetooth module, step down module and second UART communication module, wireless communication module includes LTE-Cat1 communication module, second boost module and third communication module.
2. 2. The gas detection system of claim 1, wherein the first boost module and the second boost module each comprise a synchronous boost converter, a switch pin and an input pin of the synchronous boost converter being connected to a cathode of the first schottky diode.
3. 3. The gas detection system of claim 1, wherein the hall sensor detection module comprises a rotor, a magnet block and a hall sensor, the magnet block is matched with the hall sensor, and a signal output end of the hall sensor is connected to the MCU controller through an NPN triode.
4. 4. The gas detection system of claim 1, wherein each of the lithium batteries is connected in series with a second schottky diode, and wherein the positive electrode of the lithium ion is connected to the positive electrode of the second schottky diode.

Description

Valve well and underground airtight space combustible gas detection system Technical Field The utility model relates to the technical field of coupling installation, in particular to a valve well and an underground airtight space combustible gas detection system. Background The utility model provides a valve well and underground airtight space combustible gas detection device, mainly include laser leakage sensor and liquid level sensor, can satisfy space gas concentration detection and water level measurement, among the prior art, laser leakage sensor adopts chemical sensor generally, power supply then adopts power type battery, condition gas sample through chemical sensor, usually including filtering impurity and interfering gas, dry or refrigeration processing instrument display part, but chemical sensor receives the environment easily, be unsuitable for stable work under the abominable operating mode of valve well and underground airtight space, complicated gas environment, power type battery is owing to being winding structure, reaction area is great, be fit for heavy current discharge, but use security is poor in valve well and underground airtight space. Disclosure of utility model The utility model aims to provide a valve well and a combustible gas detection system for an underground closed space. In order to achieve the above object, the technical scheme of the present utility model is as follows: Valve well and underground airtight space combustible gas detecting system, include MCU controller, reveal sensing module, level sensor, power module, bluetooth communication module, hall sensor detection module, wireless communication module and external memory, power module includes power supply circuit and group battery module, group battery module includes a plurality of parallelly connected lithium cell and lithium ion capacitor, power module is the detecting system power supply, reveal sensing module, level sensor, bluetooth communication module, hall sensor detection module, wireless communication module and external memory all with MCU controller communication connection, reveal sensing module includes laser and reveal sensor, first boost module and first UART communication module, laser is revealed the sensor and is including laser drive circuit, laser instrument, measurement air chamber, detector and the lock of setting gradually and amplify, bluetooth communication module includes bluetooth module, step down module and second UART communication module, wireless communication module includes LTE-Cat1 communication module, second boost module and third UART communication module. Further, the first boost module and the second boost module each include a synchronous boost converter, and a switch pin and an input pin of the synchronous boost converter are connected to a cathode of the first schottky diode. Further, the Hall sensor detection module comprises a rotor, a magnet block and a Hall sensor, wherein the magnet block is matched with the Hall sensor, and a signal output end of the Hall sensor is connected to the MCU controller through an NPN triode. Further, each lithium battery is connected in series with a second schottky diode, and the positive electrode of the lithium ion is connected with the positive electrode of the second schottky diode. The gas sensor adopting the laser spectrum has the characteristics of high precision, high sensitivity, long service life and stable performance, is not interfered by a use environment by using a temperature compensation algorithm, and can stably work under severe working conditions and complex gas environments; The utility model adopts the energy type battery, can be made into a carbon-coated structure, has small reaction area, is suitable for discharging with small current, and has better safety performance. Drawings FIG. 1 is a system block diagram of the present utility model; FIG. 2 is a system block diagram of a laser leakage sensor according to the present utility model; FIG. 3 is a circuit block diagram of a boost module of the present utility model; FIG. 4 is a circuit block diagram of a Hall sensor detection module of the present utility model; fig. 5 is a circuit configuration diagram of the battery module of the present utility model. Reference numerals: 1 MCU controller, 2 laser leakage sensor, 3 first boost module, 4 A first UART communication module, 5 a liquid level sensor, 6 a power supply circuit, 7 Battery pack modules, 8 Hall sensor detection modules, 9 Bluetooth modules, 10 Step-down module, 11 second UART communication module, 12 LTE-Cat1 communication module, 13 A second boost module, 14 a third UART communication module, 15 an external memory, 21 Laser driving circuit, 22 laser, 23 measuring air chamber, 24 detector, 25 Phase-locked amplifier, 71 Lithium battery, 72 lithium ion capacitor, 81 Rotor, 82 magnet block, 83 Hall sensor, U1 synchronizes the boost converter. Detailed Description The following description of the embodimen