CN211579577U - Vehicle-mounted methane power-off instrument - Google Patents
Vehicle-mounted methane power-off instrument Download PDFInfo
- Publication number
- CN211579577U CN211579577U CN201922409905.5U CN201922409905U CN211579577U CN 211579577 U CN211579577 U CN 211579577U CN 201922409905 U CN201922409905 U CN 201922409905U CN 211579577 U CN211579577 U CN 211579577U
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- Prior art keywords
- power supply
- methane
- electrically connected
- power
- electric locomotive
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 230000003137 locomotive effect Effects 0.000 claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 230000000007 visual effect Effects 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a vehicle-mounted methane power-off instrument, which comprises a host, a methane sensor and an audible and visual alarm, wherein the methane sensor and the audible and visual alarm are in communication connection with the host; the host comprises a host body, and a DC-DC power supply conversion plate and a DC contactor are arranged in the host body; the inlet end of the DC-DC power supply conversion board is electrically connected to a storage battery of the electric locomotive through a DC power supply explosion-proof plug pin, and the inlet end of the DC contactor is connected to the DC power supply explosion-proof plug pin in parallel; the outlet end of the direct current contactor is electrically connected to a controller interface of the electric locomotive; the electric locomotive controller interface is electrically connected to the electric locomotive controller; the utility model discloses a vehicular methane outage appearance, the wiring is simple and convenient, and the whole leakproofness is good after the wiring, and can accomplish methane detection, demonstration, transfinite and report to the police and can send and emergency equipment linkage signal.
Description
Technical Field
The utility model relates to an on-vehicle outage appearance, concretely relates to vehicular methane outage appearance belongs to methane outage appearance technical field.
Background
China is a big coal producing country, the coal yield leaps the first three in the world, most of coal is stored under the ground and must be mined in a mine form, and because the underground environment of the mine is relatively complex, at present, in order to ensure the safety of the underground operation of the coal mine, the underground air environment needs to be monitored, wherein a methane power-off instrument is equipment for monitoring, displaying and powering off the methane concentration in a monitoring area, and the methane power-off instrument is divided into a vehicle-mounted methane power-off instrument and a vehicle-mounted methane power-off instrument according to an installation object; the vehicle-mounted power cut-off instrument is arranged on the electric locomotive; can detect out the gas concentration value around the erection equipment to possess concentration display, warning and host computer outage function, nevertheless current methane outage appearance and wiring are loaded down with trivial details, only accomplish operating device's outage, can't carry out emergent linkage to warning light and spraying system according to the demand.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a vehicular methane outage appearance, the wiring is simple, and the closure is good, can accomplish methane detection, demonstration, transfinite and report to the police and can send and emergency equipment linkage signal.
The utility model discloses a vehicular methane outage appearance installs on battery electric locomotive, can be continuous automatic monitoring electric locomotive position's gas concentration, when gas concentration reaches or surpasses preset alarm value, the sensor sends out sound, light alarm signal immediately, when gas concentration reaches or surpasses preset outage value, the outage appearance cuts off the power supply immediately (cuts off electric locomotive power consumption) to ensure production safety; when the gas concentration falls below a preset unlocking value, the power-off instrument automatically unlocks (recovers the electricity consumption of the electric locomotive), and continues to monitor; the power failure instrument is powered by an electric locomotive storage battery pack; the matched sensor is of mine intrinsic safety and explosion-proof type, and is powered by an intrinsic safety power supply of a power failure instrument host (connected by a three-core cable), and the sensor displays gas concentration, an alarm point, a power failure point, an unlocking point and the like by adopting luminous digital codes; the power failure instrument has the function of automatically protecting the intrinsic safety power supply short circuit (fault), and can ensure the safety of long-time use; the methane sensor and the audible and visual alarm are in communication connection with the host; the host comprises a host body, and a DC-DC power supply conversion plate and a DC contactor are arranged in the host body; the inlet end of the DC-DC power supply conversion board is electrically connected to a storage battery of the electric locomotive through a DC power supply explosion-proof plug pin, and the inlet end of the DC contactor is connected to the DC power supply explosion-proof plug pin in parallel; the outlet end of the direct current contactor is electrically connected to a controller interface of the electric locomotive; the electric locomotive controller interface is electrically connected to the electric locomotive controller; the outlet end of the DC-DC power supply conversion plate is electrically connected to the power supply output port; the power output port is electrically connected to the power supply end of the methane sensor; the DC-DC power supply conversion board is also electrically connected to the singlechip control board through the DC-DC conversion module; the singlechip control board is respectively and electrically connected with the control end of the direct current contactor; methane sensor interface and audible-visual annunciator interface.
When the concentration of methane entering the methane sensor interface reaches or exceeds a power-off value, the singlechip control board drives an audible and visual alarm interface audible and visual alarm signal; the host and the sensor are synchronous, when the concentration reaches or exceeds a power-off value, the power supply to the direct current contactor is immediately stopped, the contact of the direct current contactor is disconnected, the interface of the electric locomotive controller has no power output, and the electric locomotive stops running; the methane sensor is used for controlling, after the power failure is carried out for one minute, if the methane concentration is still at the unlocking value or above the unlocking value, the power failure is continuously carried out under the control of the sensor, if the methane concentration is below the unlocking value, the sensor immediately stops the light power failure alarm to give an alarm, meanwhile, the power supply to the direct current contactor is immediately recovered, the contact point of the direct current contactor is attracted, and the electric locomotive is recovered to run.
Furthermore, the DC-DC power conversion board comprises a DC-DC module, a double current limiting circuit, a double voltage limiting circuit and a power short-circuit protection circuit which are connected in sequence; the DC-DC power supply conversion board reduces the voltage of a DC power supply from the storage battery into DC 12V through the DC-DC module, and outputs an intrinsically safe power supply of 12V and 320mA through a double current limiting, double voltage limiting and power supply short circuit automatic protection circuit for the sensor.
Further, the main machine body comprises a main control box, and a top cover is fixed on the top surface of the main control box through bolts; the front end of the main control box is integrally manufactured with a junction box; a lead perforation is arranged between the main control box and the junction box; an adapter plate is arranged on the inner side of the junction box; the front end of the junction box is fixed with a front cover through a bolt; be provided with explosion-proof bolt interface of power, methane sensor interface, audible-visual annunciator interface, electric vehicle controller interface and power output port on the junction box, through separating junction box and control box to set up the protecgulum at the junction box front end, can enough make things convenient for the wiring, the sealing after also being convenient for the wiring can be with the whole isolation of inlet wire wiring and control panel in addition, whole control cabin sealing performance is good.
Further, a display window is arranged on the top cover; and a four-digit LED display nixie tube electrically connected with the singlechip control board is fixed on the inner surface of the display window.
Preferably, the inner side of the host is also provided with a remote control receiver communicated with the remote control transmitter; the outage instrument system consists of a DJ4Y220-Z vehicle-mounted methane outage instrument host, a GJC4 (B) low-concentration methane sensor for coal mines, a KXB-A mine intrinsic safety type audible and visual alarm and a FYF5 remote control transmitter; the device is suitable for matching with an explosion-proof special storage battery electric locomotive with a power supply with a direct current of below 220V.
Furthermore, an independent storage battery is also arranged on the electric locomotive, and the independent storage battery is electrically connected with the wire inlet end of the direct current contactor through an explosion-proof bolt; the outlet end of the direct current contactor is electrically connected to an external control interface; when the signal collected by the sensor input interface is greater than the threshold value, the singlechip control board respectively controls the direct current contactors to act, and the two direct current contactors respectively perform closing and opening actions, so that the power failure of the locomotive controller and the opening of emergency equipment are completed.
Compared with the prior art, the utility model discloses a vehicular methane outage appearance, the wiring is simple and convenient, and the whole leakproofness is good after the wiring, and can accomplish methane detection, show, transfinite and report to the police and can send and emergency equipment linkage signal.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic circuit diagram according to embodiment 1 of the present invention.
Fig. 3 is a schematic view of the overall structure of the main body side of the present invention.
Fig. 4 is a schematic view of the front overall structure of the main body of the present invention.
Fig. 5 is a schematic top view of the present invention.
Fig. 6 is a schematic diagram of the internal structure of the junction box of the present invention.
Fig. 7 is a schematic circuit diagram according to embodiment 2 of the present invention.
Fig. 8 is a front view of the main body according to embodiment 1 of the present invention.
Detailed Description
Example 1:
as shown in fig. 6 of fig. 1, the vehicle-mounted methane power-off apparatus of the present invention; the gas concentration monitoring device is arranged on the storage battery electric locomotive, can continuously and automatically monitor the gas concentration at the position of the electric locomotive, when the gas concentration reaches or exceeds a preset alarm value, the sensor immediately sends out a sound and light alarm signal, and when the gas concentration reaches or exceeds a preset power-off value, the power-off instrument immediately cuts off the power (cuts off the power consumption of the electric locomotive) so as to ensure the production safety; when the gas concentration falls below a preset unlocking value, the power-off instrument automatically unlocks (recovers the electricity consumption of the electric locomotive), and continues to monitor; the power failure instrument is powered by an electric locomotive storage battery pack; the matched sensor is of mine intrinsic safety and explosion-proof type, and is powered by an intrinsic safety power supply of a power failure instrument host (connected by a three-core cable), and the sensor displays gas concentration, an alarm point, a power failure point, an unlocking point and the like by adopting luminous digital codes; the power failure instrument has the function of automatically protecting the intrinsic safety power supply short circuit (fault), and can ensure the safety of long-time use; the methane sensor comprises a host 1, a methane sensor 2 and an acousto-optic alarm 3 which are in communication connection with the host; the host 1 comprises a host body, wherein a DC-DC power supply conversion plate 4 and a DC contactor 5 are arranged in the host body; the inlet end of the DC-DC power supply conversion plate 4 is electrically connected to a storage battery 7 of the electric locomotive through a DC power supply explosion-proof bolt 6, and the inlet end of the DC contactor 5 is connected to the DC power supply explosion-proof bolt 7 in parallel; the outlet end of the direct current contactor 5 is electrically connected to a controller interface 8 of the electric locomotive; the electric locomotive controller interface 8 is electrically connected to the electric locomotive controller; the outlet end of the DC-DC power supply conversion plate 4 is electrically connected to the power supply output port 9; the power output port 9 is electrically connected to the power supply end of the methane sensor 2; the DC-DC power supply conversion board 4 is also electrically connected to the singlechip control board 10 through the DC-DC conversion module; the singlechip control board 10 is respectively and electrically connected with the control end of the direct current contactor 5; a methane sensor interface 11 and an audible and visual alarm interface 12; when the concentration of methane entering the methane sensor interface reaches or exceeds a power-off value, the singlechip control board drives an audible and visual alarm interface audible and visual alarm signal; the host and the sensor are synchronous, when the concentration reaches or exceeds a power-off value, the power supply to the direct current contactor is immediately stopped, the contact of the direct current contactor is disconnected, the interface of the electric locomotive controller has no power output, and the electric locomotive stops running; the methane sensor is used for controlling, after the power failure is carried out for one minute, if the methane concentration is still at the unlocking value or above the unlocking value, the power failure is continuously carried out under the control of the sensor, if the methane concentration is below the unlocking value, the sensor immediately stops the light power failure alarm to give an alarm, meanwhile, the power supply to the direct current contactor is immediately recovered, the contact point of the direct current contactor is attracted, and the electric locomotive is recovered to run.
The DC-DC power conversion board 4 comprises a DC-DC module, a double current limiting circuit, a double voltage limiting circuit and a power short circuit protection circuit which are connected in sequence; the DC-DC power supply conversion board reduces the voltage of a DC power supply from the storage battery into DC 12V through the DC-DC module, and outputs an intrinsically safe power supply of 12V and 320mA through a double current limiting, double voltage limiting and power supply short circuit automatic protection circuit for the sensor.
The main body comprises a main control box 13, and a top cover 131 is fixed on the top surface of the main control box 13 through bolts; the front end of the main control box 1 is integrally provided with a junction box 14; a lead through hole 141 is arranged between the main control box 13 and the junction box 14; an adapter plate 142 is arranged on the inner side of the junction box 14; the front end of the junction box 14 is fixed with a front cover 15 through a bolt; be provided with explosion-proof bolt interface 16 of power, methane sensor interface 11, audible-visual annunciator interface 12, electric vehicle controller interface 8 and power output port 9 on the junction box 14, through separating junction box and control box to set up the protecgulum at the junction box front end, can enough make things convenient for the wiring, the sealing after also being convenient for the wiring, can be in addition with the whole isolation of inlet wire wiring and control panel, whole control cabin sealing performance is good.
Wherein, a display window 132 is arranged on the top cover 131; and a four-digit LED display nixie tube electrically connected with the singlechip control board is fixed on the inner surface of the display window 132.
Wherein, the inner side of the host 1 is also provided with a remote control receiver communicated with the remote control emitter; the outage instrument system consists of a DJ4Y220-Z vehicle-mounted methane outage instrument host, a GJC4 (B) low-concentration methane sensor for coal mines, a KXB-A mine intrinsic safety type audible and visual alarm and a FYF5 remote control transmitter; the device is suitable for matching with an explosion-proof special storage battery electric locomotive with a power supply with a direct current of below 220V.
Example 2:
as shown in fig. 7 and 8, an independent storage battery 17 is further arranged on the electric locomotive, and the independent storage battery 17 is electrically connected with a wire inlet end of the direct current contactor through an explosion-proof plug pin; the outlet end of the direct current contactor is electrically connected to the peripheral control interface 18; when the signal collected by the sensor input interface is greater than the threshold value, the singlechip control board respectively controls the direct current contactors to act, and the two direct current contactors respectively perform closing and opening actions, so that the power failure of the locomotive controller and the opening of emergency equipment are completed.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (6)
1. The utility model provides a vehicular methane outage appearance which characterized in that: the methane sensor and the audible and visual alarm are in communication connection with the host; the host comprises a host body, and a DC-DC power supply conversion plate and a DC contactor are arranged in the host body; the inlet end of the DC-DC power supply conversion board is electrically connected to a storage battery of the electric locomotive through a DC power supply explosion-proof plug pin, and the inlet end of the DC contactor is connected to the DC power supply explosion-proof plug pin in parallel; the outlet end of the direct current contactor is electrically connected to a controller interface of the electric locomotive; the electric locomotive controller interface is electrically connected to the electric locomotive controller; the outlet end of the DC-DC power supply conversion plate is electrically connected to the power supply output port; the power output port is electrically connected to the power supply end of the methane sensor; the DC-DC power supply conversion board is also electrically connected to the singlechip control board through the DC-DC conversion module; the singlechip control board is respectively and electrically connected with the control end of the direct current contactor; methane sensor interface and audible-visual annunciator interface.
2. The vehicle-mounted methane power-off instrument according to claim 1, characterized in that: the DC-DC power supply conversion board comprises a DC-DC module, a double current limiting circuit, a double voltage limiting circuit and a power supply short circuit protection circuit which are sequentially connected.
3. The vehicle-mounted methane power-off instrument according to claim 1, characterized in that: the main machine body comprises a main control box, and a top cover is fixed on the top surface of the main control box through bolts; the front end of the main control box is integrally manufactured with a junction box; a lead perforation is arranged between the main control box and the junction box; an adapter plate is arranged on the inner side of the junction box; the front end of the junction box is fixed with a front cover through a bolt; and the junction box is provided with a power supply explosion-proof bolt interface, a methane sensor interface, an audible and visual alarm interface, a motor vehicle controller interface and a power supply output port.
4. The vehicle-mounted methane power-off instrument according to claim 3, characterized in that: a display window is arranged on the top cover; and a four-digit LED display nixie tube electrically connected with the singlechip control board is fixed on the inner surface of the display window.
5. The vehicle-mounted methane power-off instrument according to claim 1, characterized in that: the inner side of the host is also provided with a remote control receiver communicated with the remote control transmitter.
6. The vehicle-mounted methane power-off instrument according to claim 1, characterized in that: the electric locomotive is also provided with an independent storage battery, and the independent storage battery is electrically connected with the wire inlet end of the direct current contactor through an explosion-proof bolt; and the outlet end of the direct current contactor is electrically connected to an external control interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922409905.5U CN211579577U (en) | 2019-12-28 | 2019-12-28 | Vehicle-mounted methane power-off instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922409905.5U CN211579577U (en) | 2019-12-28 | 2019-12-28 | Vehicle-mounted methane power-off instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211579577U true CN211579577U (en) | 2020-09-25 |
Family
ID=72551841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922409905.5U Expired - Fee Related CN211579577U (en) | 2019-12-28 | 2019-12-28 | Vehicle-mounted methane power-off instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211579577U (en) |
-
2019
- 2019-12-28 CN CN201922409905.5U patent/CN211579577U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |