CN215633080U - Ventilation safety monitoring device for coal mine - Google Patents
Ventilation safety monitoring device for coal mine Download PDFInfo
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- CN215633080U CN215633080U CN202121092099.4U CN202121092099U CN215633080U CN 215633080 U CN215633080 U CN 215633080U CN 202121092099 U CN202121092099 U CN 202121092099U CN 215633080 U CN215633080 U CN 215633080U
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Abstract
The utility model discloses a ventilation safety monitoring device for a coal mine, which comprises a shell, a filter screen, a motor, fan blades, a protective cover and control equipment, wherein the control equipment is arranged, a storage battery is arranged in the control equipment, a double-open single-control switch and a power-off connecting mechanism are arranged in the control equipment, the motor of a ventilation device is powered by an input power line, the storage battery is charged when the power is supplied by the input power line, the circuit connection between the storage battery and the motor is disconnected, the circuit between the storage battery and the motor is automatically connected by the power-off connecting mechanism under the condition of abnormal power-off, the motor is kept running under the condition of abnormal power-off, the ventilation in the coal mine is further kept, and an alarm is triggered to warn.
Description
Technical Field
The utility model particularly relates to a ventilation safety monitoring device for a coal mine, and relates to the related field of coal mines.
Background
The ventilation of the coal mine is one of the main technical means for ensuring the safe production of the coal mine, harmful gases such as underground carbon monoxide, carbon dioxide, nitrogen dioxide, sulfur dioxide, hydrogen sulfide, methane and the like can be diluted and enough fresh air can be supplied underground, the ventilation device has important significance for ensuring the safe production, adjusting underground climate and creating a good working environment, and the ventilator is used as an important facility in a ventilation system of the coal mine.
The ventilation system is powered off in the ventilation process, and cannot give an alarm to warn coal mine workers, so that harmful gas in a coal mine cannot be discharged in time easily, the life of underground personnel is threatened, and the safety production of the coal mine is influenced.
SUMMERY OF THE UTILITY MODEL
Accordingly, in order to solve the above-mentioned disadvantages, the present invention provides a ventilation safety monitoring device for coal mine.
The utility model is realized by constructing a ventilation safety monitoring device for coal mines, which comprises a shell and a control device, the rear end in the shell is covered with a filter screen, the middle part in the shell is fixed with a motor, an output shaft at the front end of the motor is connected with the fan blade, the front end of the shell is fixed with a protective cover, the outer side of the shell is provided with control equipment, the control equipment comprises a box shell, a fixed plate, an alarm, a double-open single-control switch, an input power line, a storage battery and a power-off connecting mechanism, the left end of the box shell is provided with a fixed plate, the top end of the box shell is provided with an alarm, the bottom end of the box shell is fixedly connected with a storage battery, case shell internally mounted has disconnected electric connection mechanism, battery, disconnected electric connection mechanism, input power cord and motor are connected with two single control switch electricity respectively, fixed plate and shell fixed connection.
Preferably, outage coupling mechanism includes first conducting strip, second conducting strip, recess, connecting plate, movable rod, spacing pipe and electro-magnet, first conducting strip and second conducting strip opposition position top are seted up flutedly, the top is provided with the connecting plate between first conducting strip and the second conducting strip, connecting plate top and movable rod fixed connection, spacing pipe has been cup jointed in the movable rod outside, spacing pipe top middle part is provided with the electro-magnet, the electro-magnet top is connected with two single-control switch electricity, first conducting strip and second conducting strip bottom and case shell fixed connection, spacing outside of tubes and case shell fixed connection.
Preferably, two switches are arranged inside the double-open single-control switch, and the two switches are respectively connected with the input power line, the motor, the electromagnet, the storage battery and the first conducting strip.
Preferably, the alarm is connected with the connecting circuit of the motor in a series connection mode, and the first conducting strip is electrically connected with the storage battery through the double-open single-control switch.
Preferably, the connection circuit of the electromagnet and the motor is in series connection, and the charging circuit of the storage battery is connected to the series connection circuit of the electromagnet and the motor.
Preferably, the width of the connecting plate is gradually reduced from top to bottom, and the inner walls of the grooves of the first conducting plate and the second conducting plate are attached to the connecting plate.
Preferably, the surface of the movable rod is smooth, and the inner wall of the limiting pipe is attached to the movable rod.
Preferably, the first conducting strip and the second conducting strip are symmetrically arranged, and the first conducting strip and the second conducting strip are arranged at the same height.
Preferably, the movable rod is made of metal iron.
Preferably, the first conducting strip, the second conducting strip and the connecting plate are made of metal copper materials.
The utility model has the following advantages: the utility model provides a ventilation safety monitoring device for a coal mine through improvement, which has the following improvement compared with the same type of equipment:
according to the ventilation safety monitoring device for the coal mine, the control equipment is arranged, the storage battery is arranged in the control equipment, the double-open single-control switch and the power-off connection mechanism are arranged, the motor of the ventilation device is powered through the input power line, the storage battery is charged when the power is supplied through the input power line, the circuit connection between the storage battery and the motor is disconnected, the circuit between the storage battery and the motor is automatically connected through the power-off connection mechanism under the condition of abnormal power-off, the motor is kept running under the condition of abnormal power-off, the ventilation in the coal mine is further kept, and the alarm is triggered to warn.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the control apparatus of the present invention;
FIG. 3 is a schematic structural diagram of the power-off connection mechanism of the present invention;
FIG. 4 is a sectional view showing the internal structure of the power disconnecting link according to the present invention;
fig. 5 is a circuit connection diagram of the control device of the present invention.
Wherein: the device comprises a shell-1, a filter screen-2, a motor-3, a fan blade-4, a protective cover-5, a control device-6, a box shell-61, a fixing plate-62, an alarm-63, a double-open single-control switch-64, an input power line-65, a storage battery-66, a power-off connecting mechanism-67, a first conducting strip-671, a second conducting strip-672, a groove-673, a connecting plate-674, a movable rod-675, a limiting pipe-676 and an electromagnet-677.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the utility model provides a ventilation safety monitoring device for a coal mine through improvement, which comprises a shell 1 and a control device 6, wherein a filter screen 2 covers the rear end inside the shell 1, a motor 3 is fixed in the middle inside the shell 1, an output shaft at the front end of the motor 3 is connected with a fan blade 4, and a protective cover 5 is fixed at the front end of the shell 1.
Referring to fig. 2 and 5, the utility model provides a ventilation safety monitoring device for coal mine by improvement, a control device 6 is installed outside a housing 1, the control device 6 comprises a housing 61, a fixing plate 62, an alarm 63, a double-open single-control switch 64, an input power line 65, a storage battery 66 and a power-off connecting mechanism 67, the fixing plate 62 is arranged at the left end of the housing 61 and is fixed with the housing 1 through the fixing plate 62, the alarm 63 is installed at the top end of the housing 61 to fix the alarm 63, the bottom end of the housing 61 is fixedly connected with the storage battery 66 to fix the storage battery 66, the power-off connecting mechanism 67 is installed inside the housing 61, the storage battery 66, the power-off connecting mechanism 67, the input power line 65 and a motor 3 are respectively electrically connected with the double-open single-control switch 64, the fixing plate 62 is fixedly connected with the housing 1 to fix the fixing plate 62, two switches are arranged inside the double-open single-control switch 64, the two switches are respectively connected with the input power line 65, the motor 3, the electromagnet 677, the storage battery 66 and the first conducting strip 671, the circuit connection of the input power line 65 and the motor 3 and the circuit connection of the electromagnet 677, the storage battery 66 and the first conducting strip 671 are respectively controlled through the double-open single-control switch 64, the alarm 63 is connected with the connecting circuit of the motor 3 in a series mode, the first conducting strip 671 is electrically connected with the storage battery 66 through the double-open single-control switch 64, and after the first conducting strip 671 and the second conducting strip 672 are connected, the alarm 63 and the motor 3 are simultaneously powered and driven.
Referring to fig. 3 and 4, the utility model provides a ventilation safety monitoring device for coal mines by improvement, wherein the electrical disconnection mechanism 67 comprises a first conductive sheet 671, a second conductive sheet 672, a groove 673, a connecting plate 674, a movable rod 675, a limit tube 676 and an electromagnet 677, the groove 673 is formed at the top of the opposite position of the first conductive sheet 671 and the second conductive sheet 672, the connecting plate 674 is arranged at the top between the first conductive sheet 671 and the second conductive sheet 672, the first conductive sheet 671 and the second conductive sheet 672 are connected through the connecting plate 674, the top end of the connecting plate 674 is fixedly connected with the movable rod 675, the movement of the connecting plate 674 is controlled through the movable plate 675, the limit tube 676 is sleeved outside the movable rod 675, the movement of the movable rod 675 is limited through the limit switch 676, the electromagnet 677 is arranged at the middle part of the top end of the limit tube 676, the movement of the movable rod 674 is controlled through the electromagnet 677, the top end of an electromagnet 677 is electrically connected with a double-open single-control switch 64, the electrification of the electromagnet 677 is controlled through the double-open single-control switch 64, the bottom ends of a first conducting strip 671 and a second conducting strip 672 are fixedly connected with a box shell 61, the outer side of a limit tube 676 is fixedly connected with the box shell 61, the limit tube 676 is fixed, a connecting circuit of the electromagnet 677 and a motor 3 is connected in series, a charging circuit of a storage battery 66 is connected to a serial line of the electromagnet 677 and the motor 3, when power is supplied through an input power line 65, the electromagnet 677 and the motor 3 are electrified simultaneously, the width of a connecting plate 674 is gradually reduced from top to bottom, the inner walls of grooves 673 of the first conducting strip 671 and the second conducting strip 672 are attached to the connecting plate 674, the connecting plate 674 is conveniently inserted into the grooves 673 to connect the first conducting strip 671 and the second conducting strip 672, the surface of a movable rod 675 is smooth, and the inner wall of the limit tube 676 is attached to the movable rod 675, the movable rod 675 is limited in moving track, the first conducting strip 671 and the second conducting strip 672 are symmetrically arranged, the first conducting strip 671 and the second conducting strip 672 are arranged at the same height, the bottom of the connecting plate 674 is simultaneously contacted with the first conducting strip 671 and the second conducting strip 672, the first conducting strip 671 and the second conducting strip 672 are electrified, the movable rod 675 is made of metal iron, the electromagnet is convenient to adsorb, the first conducting strip 671, the second conducting strip 672 and the connecting plate 674 are made of metal copper materials, the conducting effect is good, and the movable rod 675 is not easy to damage.
The utility model provides a ventilation safety monitoring device for a coal mine through improvement, and the working principle is as follows;
firstly, before use, firstly, fixing the shell 1 of the device on a ventilation opening position required by a coal mine, and then connecting an input power line 65 with external power supply equipment;
secondly, when in use, the double-open single-control switch 64 is controlled to be in an open state, because the double-open single-control switch 64 is internally provided with two switches which are respectively connected with the input power line 65, the motor 3, the electromagnet 677, the storage battery 66 and the first conducting strip 671, the circuit connection of the input power line 65 and the motor 3 and the circuit connection of the electromagnet 677, the storage battery 66 and the first conducting strip 671 are respectively controlled through the double-open single-control switch 64, and because the connecting circuit of the electromagnet 677 and the motor 3 is in series connection, and the charging circuit of the storage battery 66 is connected to the series connection circuit of the electromagnet 677 and the motor 3, when the input power line 65 is used for supplying power, the electromagnet 677 and the motor 3 are simultaneously electrified, the storage battery 66 is charged, the movable rod 675 is adsorbed through the electromagnet 677, the connecting plate 674 at the bottom of the movable rod 675 is disconnected with the first conducting strip 672 and the second conducting strip 671, the motor 3 drives the fan blade 4 to rotate, and the fan blade 4 rotates to ventilate the interior of the coal mine;
thirdly, under the condition of abnormal power failure, the power supply of the input power line 65 is cut off to the motor 3 and the electromagnet 677, the electromagnet 677 is enabled to be cut off from adsorbing the movable rod 675, the movable rod 675 falls, the connecting plate 674 at the bottom of the movable rod 675 is inserted into the grooves 673 at the tops of the first conducting plate 671 and the second conducting plate 672, the first conducting plate 671 and the second conducting plate 672 are connected, the first conducting plate 671 and the second conducting plate 672 are gradually connected in a circuit mode, because the alarm 63 is connected with the motor 3 in a series connection mode, the first conducting plate 671 is electrically connected with the storage battery 66 through the double-open single control switch 64, after the first conducting plate 671 and the second conducting plate 672 are connected, the alarm 63 and the motor 3 are driven by the power supply of the storage battery 66, the operation of the motor 3 is kept under the condition of abnormal power failure, and the ventilation in the coal mine is further kept, and triggers the alarm 63 to warn.
The utility model provides a ventilation safety monitoring device for a coal mine through improvement, a control device 6 is arranged, a storage battery 66 is arranged in the control device 6, a double-open single-control switch 64 and a power-off connecting mechanism 67 are arranged, a motor 3 of the ventilation device supplies power through an input power line 65, when the power is supplied through the input power line 65, the storage battery 66 is charged, the circuit connection between the storage battery 66 and the motor 3 is disconnected, under the condition of abnormal power-off, the circuit between the storage battery 66 and the motor 3 is automatically connected through the power-off connecting mechanism 67, under the condition of abnormal power-off, the operation of the motor 3 is kept, the ventilation in the coal mine is further kept, and an alarm 63 is triggered to give an alarm.
Claims (8)
1. A ventilation safety monitoring device for a coal mine comprises a shell (1), wherein a filter screen (2) covers the rear end inside the shell (1), a motor (3) is fixed in the middle inside the shell (1), an output shaft at the front end of the motor (3) is connected with a fan blade (4), and a protective cover (5) is fixed at the front end of the shell (1);
the method is characterized in that: still include controlgear (6), controlgear (6) are installed in shell (1) outside, controlgear (6) are including case shell (61), fixed plate (62), alarm (63), two divisions of single control switch (64), input power cord (65), battery (66) and outage coupling mechanism (67), case shell (61) left end is provided with fixed plate (62), alarm (63) are installed on case shell (61) top, case shell (61) bottom and battery (66) fixed connection, case shell (61) internally mounted has outage coupling mechanism (67), battery (66), outage coupling mechanism (67), input power cord (65) and motor (3) are connected with two divisions of single control switch (64) electricity respectively, fixed plate (62) and shell (1) fixed connection.
2. The ventilation safety monitoring device for the coal mine according to claim 1, characterized in that: the electric connection breaking mechanism (67) comprises a first conducting strip (671), a second conducting strip (672), a groove (673), a connecting plate (674), a movable rod (675), a limiting pipe (676) and an electromagnet (677), the tops of the opposite positions of the first conducting strip (671) and the second conducting strip (672) are provided with grooves (673), a connecting plate (674) is arranged at the top between the first conducting plate (671) and the second conducting plate (672), the top end of the connecting plate (674) is fixedly connected with a movable rod (675), a limit pipe (676) is sleeved on the outer side of the movable rod (675), an electromagnet (677) is arranged in the middle of the top end of the limit tube (676), the top end of the electromagnet (677) is electrically connected with the double-open single-control switch (64), first conducting strip (671) and second conducting strip (672) bottom and case shell (61) fixed connection, spacing pipe (676) outside and case shell (61) fixed connection.
3. The ventilation safety monitoring device for the coal mine according to claim 1, characterized in that: two switches are arranged inside the double-open single-control switch (64), and the two switches are respectively connected with an input power line (65), the motor (3), the electromagnet (677), the storage battery (66) and the first conducting strip (671).
4. The ventilation safety monitoring device for the coal mine according to claim 1, characterized in that: the alarm (63) is connected with a connecting circuit of the motor (3) in a series connection mode, and the first conducting strip (671) is electrically connected with the storage battery (66) through the double-open single-control switch (64).
5. A ventilation safety monitoring device for coal mines as set forth in claim 2, wherein: the connection circuit of the electromagnet (677) and the motor (3) is connected in series, and the charging circuit of the storage battery (66) is connected to the series connection circuit of the electromagnet (677) and the motor (3).
6. A ventilation safety monitoring device for coal mines as set forth in claim 2, wherein: the width of the connecting plate (674) is gradually reduced from top to bottom, and the inner walls of the grooves (673) of the first conducting plate (671) and the second conducting plate (672) are attached to the connecting plate (674).
7. A ventilation safety monitoring device for coal mines as set forth in claim 2, wherein: the surface of the movable rod (675) is smooth, and the inner wall of the limit pipe (676) is attached to the movable rod (675).
8. A ventilation safety monitoring device for coal mines as set forth in claim 2, wherein: the first conducting strip (671) and the second conducting strip (672) are symmetrically arranged, and the first conducting strip (671) and the second conducting strip (672) are arranged at the same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092099.4U CN215633080U (en) | 2021-05-20 | 2021-05-20 | Ventilation safety monitoring device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092099.4U CN215633080U (en) | 2021-05-20 | 2021-05-20 | Ventilation safety monitoring device for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633080U true CN215633080U (en) | 2022-01-25 |
Family
ID=79938901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121092099.4U Active CN215633080U (en) | 2021-05-20 | 2021-05-20 | Ventilation safety monitoring device for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633080U (en) |
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2021
- 2021-05-20 CN CN202121092099.4U patent/CN215633080U/en active Active
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