CN112516493B - Automatic fire extinguishing electric energy meter box using dry powder - Google Patents
Automatic fire extinguishing electric energy meter box using dry powder Download PDFInfo
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- CN112516493B CN112516493B CN202011422201.2A CN202011422201A CN112516493B CN 112516493 B CN112516493 B CN 112516493B CN 202011422201 A CN202011422201 A CN 202011422201A CN 112516493 B CN112516493 B CN 112516493B
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- powder spraying
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0045—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using solid substances, e.g. sand, ashes; using substances forming a crust
Abstract
The invention belongs to the field of electric energy meter protection, and relates to an automatic fire extinguishing electric energy meter box utilizing dry powder. When the electric energy meter is struck by lightning or is on fire under other conditions, the dry powder is automatically detected and is adopted to extinguish the fire and spray the fire to the electric energy meter, the dry powder is used as the most effective fire extinguishing mode related to electricity, the fire extinguishing effect is good, key parts of the electric energy meter cannot be damaged, the electric wire connected with the electric energy meter can be automatically disconnected, the use of the electric wire is protected, the repair speed after the disaster is improved, and the problem that the dry powder is not suitable for caking for a long time is solved.
Description
Technical Field
The invention belongs to the field of electric energy meter protection, and particularly relates to an automatic fire extinguishing electric energy meter box utilizing dry powder.
Background
As is known well, the electric energy meter is a tool for counting the electric quantity of residents, the electric energy meter is generally connected outdoors, few people regularly maintain the electric energy meter, when a fire disaster occurs under the conditions of lightning stroke or short circuit, the electric energy meter is difficult to find and extinguish the fire in the first time, the electric energy meter is simultaneously connected with circuits of multiple residents, the damage of the circuits can influence household appliances in the residents to cause instant short circuit and even burn out, the daily use can also be influenced, the dry powder is adopted for extinguishing the fire of the electric energy meter to be most effective, the dry powder is easy to cause agglomeration under the condition of long-term non-use to influence the fire extinguishing efficiency, and the fire of the electric energy meter can not be immediately extinguished.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an automatic fire extinguishing electric energy meter box utilizing dry powder, which can automatically extinguish fire and disconnect a circuit in a short time when the electric energy meter has a fire phenomenon.
According to the inventionThe purpose can be realized by the following technical scheme: an automatic fire extinguishing electric energy meter box utilizing dry powder comprises a shell and is characterized in that a powder spraying cavity is arranged on the left side in the shell, a hollow rod chute is fixedly arranged on the lower side wall of the powder spraying cavity, a push block fixing rod is fixedly arranged on the lower side wall of the hollow rod chute, a powder spraying push block is fixedly arranged at the upper end of the push block fixing rod, a hollow rod of the powder spraying cavity is slidably arranged in the hollow rod chute, a hollow rod rack is fixedly arranged on the right side of the hollow rod of the powder spraying cavity, and the hollow rack is meshed with a power device to reciprocate up and down under the driving of the power device; the powder spraying device is characterized in that a hollow rod spring is sleeved outside the lower end of the push block fixing rod, one end of the hollow rod spring is connected with the bottom of the hollow rod chute, the other end of the hollow rod spring abuts against the bottom of the powder spraying cavity hollow rod, the push block fixing rod extends into a cavity in the powder spraying cavity hollow rod and is in sliding connection with the cavity, a powder spraying pressure cavity is fixedly arranged on the upper side wall of the powder spraying cavity hollow rod, the powder spraying push block is in sliding connection with the powder spraying pressure cavity, a powder spraying port is communicated with the upper portion of the left side wall of the powder spraying pressure cavity, a first one-way valve is arranged at the connection position of the powder spraying pressure cavity and the powder spraying port, dry powder can only enter the powder spraying port from the powder spraying pressure cavity through the first one-way valve, a dry powder stirring and feeding device is fixedly arranged on the upper side wall of the powder spraying cavity, the upper end of the powder spraying pressure cavity can extend into the dry powder stirring and feeding device, when the powder spraying pressure cavity moves upwards, the dry powder stirring and feeding device is started, and the upper side wall of the powder spraying pressure cavity is communicated with the dry powder stirring and feeding deviceIIThe second one-way valve enables dry powder to enter the powder spraying pressure cavity only from the dry powder stirring and feeding device, the powder spraying pressure cavity slides upwards to enable the dry powder in the dry powder stirring and feeding device to be sucked into the powder spraying pressure cavity, then the powder spraying pressure cavity slides downwards to enable the powder spraying push block to compress the space in the powder spraying pressure cavity, the dry powder in the dry powder stirring and feeding device is discharged through the powder spraying port to extinguish a fire, a temperature control cavity is arranged on the lower right side in the shell, a temperature control device is arranged in the temperature control cavity, and the temperature control device controls the power device to be started when sensing that the temperature is higher than a certain temperature; the upper right side in the shell is provided with a power-off cavity, and a power-off part is arranged in the power-off cavityAnd the linkage device is arranged between the temperature control cavity and the power-off cavity, the linkage device enables the power-off protection device to be started when the temperature of the temperature control cavity rises to a certain temperature, and the power-off protection device is used for disconnecting the power circuit under the control of the temperature control device.
Preferably, the dry powder stirring and feeding device comprises a dry powder storage cavity fixedly arranged on the upper side wall of the powder spraying cavity, an internal thread meshing block is fixedly arranged on the front side wall in the dry powder storage cavity, a feeding pipe extending into the dry powder storage cavity is arranged on the upper portion of the powder spraying pressure cavity, bilaterally symmetrical shifting doors are rotatably arranged on the two side walls of the feeding pipe, a shifting door spring is connected between the shifting doors in a compression mode, two bilaterally symmetrical small notches are formed in the two side walls of the feeding pipe, the shifting doors can shift the dry powder in the dry powder storage cavity into the powder spraying pressure cavity through the small notches, a dry powder blocking block is fixedly arranged on the upper end wall of the feeding pipe, a threaded shaft is rotatably arranged on the upper side of the dry powder blocking block, the threaded shaft penetrates through the internal thread meshing block, the threaded shaft is in threaded connection with the internal thread meshing block, and a fan-shaped meshing wheel is fixedly arranged on the upper side of the threaded shaft, the dry powder storage cavity is internally provided with an annular groove disc in a vertically sliding mode, the upper end of a threaded shaft is connected with the annular groove disc in a rotating mode, the inner wall of the annular groove disc is annularly provided with a ring of teeth, the upper side wall of the annular groove disc is annularly provided with an annular groove, two annular groove sliders are slidably arranged in the annular groove, a cavity is arranged in each annular groove slider, a scraper shaft is rotatably arranged on the side wall of the cavity, a scraper shaft torsion spring is connected between the scraper shaft and the side wall of the cavity, a scraper driving wheel is fixedly arranged on the upper side of the scraper shaft and can be meshed with the teeth on the inner wall of the annular groove disc, the scraper driving wheel can be meshed with the fan-shaped meshing wheel, and a dry powder scraper is fixedly arranged on the lower side of the scraper shaft.
Powder pressure chamber rebound makes group door open under the effect of the powder door spring of dialling of compressed, powder pressure chamber rebound simultaneously drives dry powder jam piece and upwards removes in dry powder storage cavity, screw thread axial upward movement meshing, make the screw thread axle begin to rotate, drive fan-shaped meshing wheel and rotate, meshing scraper drive wheel rotates, make and scrape the revolution of screw thread axle around when the axle rotation, consequently scrape the axle and drive dry powder scraper rotation and revolve around the screw thread axle, consequently, drive the annular groove slider and the annular slip in the annular groove, make the dry powder scraper slide in dry powder storage cavity, and scrape axle torsional spring storage elastic energy. When the scraper drive wheel breaks away from the meshing with fan-shaped meshing wheel, can overturn under the effect of scraper axle torsional spring, stir repeatedly and scrape down, when the pressure chamber that dusts moves down, dial the door and can draw close to the centre, dial into the pressure chamber that dusts through the small notch with the dry powder. When carrying out the powder and putting out a fire, the pressure chamber rebound that dusts makes stirring feed arrangement start simultaneously, store the dry powder of intracavity with the dry powder and dial into the pressure intracavity that dusts, the dry powder scraper is stored the intracavity at the dry powder and is rotated and scrape down the dry powder and store the dry powder on the chamber lateral wall, and the dry powder scraper is broken up the dry powder of caking round the rotation of threaded shaft, the effectual speed that has improved the dry powder feeding with eliminated the big caking of dry powder, can improve the utilization ratio of dry powder simultaneously.
Preferably, the temperature control device comprises a temperature control sensing motor arranged on the right side wall of the temperature control cavity, the temperature control sensing motor can be started for a period of time to stop after the detection temperature exceeds the normal room temperature, a sensing motor shaft is arranged on the left side of the temperature control sensing motor, a temperature control gear is fixedly arranged on the sensing motor shaft, a heat temperature rack is arranged on the right rear side wall of the temperature control cavity in an up-and-down sliding manner, the temperature control gear can be meshed with the heat temperature rack, a disconnection sliding block is fixedly arranged on the upper side wall of the heat temperature rack, a first binding post is fixedly arranged on the left side wall of the disconnection sliding block, a disconnection push rod is fixedly arranged on the upper side wall of the disconnection sliding block, a half copper pipe is fixedly arranged on the left lower side wall of the temperature control cavity, the half copper pipe is non-conductive and insulated in the lower half section, a second binding post is fixedly arranged on the upper side wall of the half copper pipe, and a power supply is fixedly arranged on the left upper side wall of the temperature control cavity, and a power supply and a power device are connected between the first binding post and the second binding post, and the disconnection sliding block can drive the first binding post to slide on the upper conductive part and the lower non-conductive part of the half copper pipe.
When not on fire, can not produce high temperature, control by temperature change sensing motor does not start, sensing motor shaft irrotational, hot temperature rack is located temperature control chamber below, the disconnected sliding block is located half copper pipe downside, first terminal contacts insulating part, the circuit of driving lever motor does not switch on, after the conflagration breaing out produces high temperature, control by temperature change sensing motor starts to stop after a period of time, make the rotatory control by temperature change gear that drives of sensing motor shaft, the meshing hot temperature rack rebound, make disconnected sliding block rebound, contact the part that can half copper pipe can be electrically conductive, make the interior intercommunication of circuit, start driving lever motor. Produce high temperature when getting on fire, control by temperature change sensing motor will automatic start, need not personnel's monitoring, and automatic start driving lever motor as long as just can put out a fire the very first time in the conflagration emergence, has improved security and ageing, just puts out a fire when the conflagration produces the young head. The temperature control sensing motor can be a common motor and is connected with a power supply through a temperature switch, and the temperature switch is switched off at normal temperature and is switched on when the temperature exceeds a preset value.
Preferably, the power plant comprises: a deflector rod motor, a deflector rod motor shaft is arranged at the output end of the deflector rod motor, a motor shaft fixing rod vertical to the deflector rod motor shaft is fixedly arranged at the rear side of the deflector rod motor shaft, a deflector rod is fixedly arranged on the motor shaft fixing rod, an upper meshing wheel shaft is rotatably arranged at the upper part of the rear side wall of the powder spraying cavity, an upper meshing wheel is fixedly arranged at the rear side of the upper meshing wheel shaft, an upper push rod wheel is fixedly arranged at the front side of the upper meshing wheel shaft, an upper push rod is radially arranged on the circumference of the upper push rod wheel, the deflector rod can stir the upper push rod to further push the upper push rod wheel to rotate, a lower meshing wheel shaft is rotatably arranged at the lower part of the rear side wall of the powder spraying cavity, a gear is fixedly arranged at the rear side of the lower meshing wheel shaft, the gear can be meshed with the hollow rod rack, a lower meshing wheel is fixedly arranged at the middle section of the lower meshing wheel shaft, and the lower meshing wheel can be meshed with the upper meshing wheel, the front side of the lower meshing wheel shaft is fixedly provided with a lower push rod wheel, a lower push rod is radially arranged on the circumference of the lower push rod wheel, and the shift rod can shift the upper push rod to further push the lower push rod wheel to rotate.
After the conflagration takes place, temperature control device starts, make driving lever motor start, drive driving lever motor shaft clockwise rotation, make motor shaft dead lever rotate, it is rotatory to drive the driving lever, stir the rotation of push-down rod wheel, it is rotatory to make the meshing wheel rotate and drive the meshing wheel, the meshing wheel is rotatory down under the meshing, it makes the gear rotatory to drive the rotation of meshing wheel axle down, the hollow pole rack downstream of meshing, the hollow pole downstream of the chamber of dusting, it moves down to drive the pressure chamber of dusting, make the pressure chamber inner space of dusting diminish, through the check valve of the pressure chamber left side wall of dusting, spout in spouting dry powder and put out a fire. The driving lever motor shaft continues to rotate, no longer stirs the push-up rod wheel, stir the push-down rod wheel rotatory, make the rotatory drive gear of lower meshing wheel axle rotate, the hollow rod rack rebound of meshing, make the hollow rod rebound of the chamber of dusting, drive the pressure chamber rebound of dusting, the ejector pad that dusts is fixed motionless, make the pressure chamber inner space grow of dusting, through the check valve of the pressure chamber upside of dusting, inhale the pressure chamber of dusting with dry powder. . When the driving lever motor is started, the powder spraying pressure cavity reciprocates up and down to enable dry powder in the powder spraying pressure cavity to be vibrated up and down and fully dispersed, and meanwhile, the powder spraying port moves up and down to enlarge the spraying range.
Preferably, the power-off protection device comprises a power-off block cavity arranged on the right lower side wall of the power-off cavity, a power-off slider is arranged in the power-off block cavity in a sliding mode, a power-off block spring is connected between the lower side wall of the power-off slider and the lower side wall of the power-off block cavity, a power-off push rod can extend into the power-off block cavity to push the power-off slider, a slider shaft is arranged on the front side of the power-off slider in a rotating mode, a slider hinge rod is fixedly arranged on the front side of the slider shaft, a winding shaft is arranged on the front side of the slider shaft in a rotating mode, a winding shaft is arranged on the rear side of the winding shaft in a rotating mode, the winding shaft penetrates through the power-off block cavity, a sliding groove hinge rod is fixedly arranged on the front side of the winding shaft, the slider hinge rod is hinged to the sliding groove hinge rod, a winding wheel is fixedly arranged on the rear side of the winding shaft, a pull wire is hinged to the sliding groove hinge rod, and a front hinge rod is hinged to the sliding groove hinge rod and a power-transmission metal rod, the utility model discloses a power-off device, including power transmission cavity, reel, power transmission metal pole, lead wire slider groove, stay wire slider, metal conducting rod, lead wire slider groove, reel, lead wire slider, lead wire, lead wire, lead, and the lead, and the lead, and the lead, lead.
After producing the high temperature, hot temperature rack rebound, make the outage push rod promote outage slider rebound behind the rebound, drive the rebound, make the rebound, because of rotating on the lateral wall of back again, make and begin to rotate, turn over into the horizontality with passing electric metal pole from vertical state, break away from the contact with the conducting rod, no longer transmit electric power, the rotatory spool that drives of spout hinge rod is rotatory simultaneously, make the reel rotation tighten up acting as go-between, the slider that will act as go-between is pulling right in the slider groove of acting as go-between, put the wire into right, shrink in the lateral wall behind the casing. The electric energy meter is disconnected with the connected circuit, the circuit is protected from being burnt, the circuit is plugged into the rear wall through the reel, open flame burning is reduced, other connected household electrical appliance equipment is influenced, the efficiency of electric power recovery after a disaster is effectively accelerated, and the time of influencing the electric power of a resident is reduced due to the fire of the electric energy meter.
Compared with the prior art, this with an automatic fire extinguishing electric energy meter case of utilizing dry powder has following advantage:
1. the pump body reciprocates to vibrate the dry powder and fully fuses in the air at the in-process that dusts, strengthens and breaks up the effect, carries out annular stirring and scrapes down at the dry powder storage cavity simultaneously, improves the utilization ratio of dry powder and smashes the caking.
2. Automatic control by temperature change detects, need not personnel and observes to can be quick will connect the wire of living house and hide the protection, avoid the conflagration to burn and cause short circuit and damage.
3. The dry powder has high fire extinguishing efficiency and high automatic generation speed, can perform self-extinguishing in a short time when a fire disaster occurs, and cannot damage electric energy meter elements.
Drawings
Fig. 1 is a schematic view showing the construction of an automatic fire extinguishing electric energy meter box using dry powder.
Fig. 2 is a sectional view taken along a line a-a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is a sectional view taken along line C-C in fig. 1.
Fig. 5 is an enlarged view of the structure at D in fig. 1.
Fig. 6 is a sectional view taken along the direction E-E in fig. 1.
In the figure, 10, the housing; 11. a dry powder storage chamber; 12. an annular fluted disc; 13. a scraper shaft torsion spring; 14. a scraper shaft; 15. a scraper driving wheel; 16. a hollow rod spring; 17. a powder spraying cavity; 18. a sector-shaped meshing wheel; 19. a dry powder scraper; 20. an internal thread engagement block; 21. a threaded shaft; 22. an annular groove sliding block; 23. an annular groove; 24. a powder-pulling door spring; 25. a powder spraying port; 26. a powder spraying pressure cavity; 27. powder spraying push blocks; 28. a push block fixing rod; 29. a powder spray cavity hollow rod; 30. a hollow bar rack; 31. a hollow bar chute; 32. a deflector rod; 33. a dry powder plugging block; 34. door pulling; 35. an upper meshing wheel; 36. an upper push rod wheel; 37. an upper meshing wheel shaft; 38. a deflector rod motor; 39. a gear; 40. a lower meshing wheel; 41. a lower push rod wheel; 42. a lower mesh wheel axle; 43. a semi-copper rod; 44. a sensor motor shaft; 45. a temperature control gear; 46. a hot temperature rack; 47. a temperature control sensing motor; 48. disconnecting the sliding block; 49. a power-off push rod; 50. a power-off cavity; 51. a conductive rod; 52. a power-off block cavity; 53. a power-off block spring; 54. a power-off sliding block; 55. a slider shaft; 56. the slide block is hinged with the rod; 57. a spool; 58. a reel; 59. a pull wire; 60. a wire; 61. a wire pulling slide block; 62. a metal conductive block; 63. a wire drawing slider slot; 64. a chute hinge rod; 65. a front hinge rod; 66. a conductive metal rod; 67. a deflector rod motor shaft; 68. a motor shaft fixing rod; 69. a temperature control cavity.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, the automatic fire extinguishing electric energy meter box utilizing dry powder comprises a shell 10 and is characterized in that a powder spraying cavity 17 is arranged on the left side in the shell 10, a hollow rod chute 31 is fixedly arranged on the lower side wall of the powder spraying cavity 17, a push block fixing rod 28 is fixedly arranged on the lower side wall of the hollow rod chute 31, a powder spraying push block 27 is fixedly arranged at the upper end of the push block fixing rod 28, a powder spraying cavity hollow rod 29 is arranged in the hollow rod chute 31 in a sliding manner, a hollow rod rack 30 is fixedly arranged on the right side of the powder spraying cavity hollow rod 29, the hollow rack 30 is meshed with a power device to reciprocate up and down under the driving of the power device, a hollow rod spring 16 is sleeved outside the lower end of the push block fixing rod 28, one end of the hollow rod spring 16 is connected with the bottom of the hollow rod chute 31, the other end of the hollow rod 29 abuts against the bottom of the powder spraying cavity, the push block fixing rod 28 is connected with the hollow rod 29 in a sliding manner, a powder spraying cavity 26 is fixedly arranged on the upper side wall of the powder spraying cavity hollow rod 29, the powder spraying push block 27 is connected with the powder spraying pressure cavity 26 in a sliding mode, the upper portion of the left side wall of the powder spraying pressure cavity 26 is communicated with the powder spraying port 25, a first one-way valve is arranged at the joint of the powder spraying pressure cavity 26 and the powder spraying port 25, and dry powder can only enter the powder spraying port 25 from the powder spraying pressure cavity 26 through the first one-way valve; powder spraying cavity 17 goes up the fixed dry powder stirring feed arrangement that is equipped with on the lateral wall, and the upper end of powder spraying pressure chamber 26 can stretch into dry powder stirring feed arrangement, and when powder spraying pressure chamber 26 upwards removed, dry powder stirring feed arrangement can start, and it has the second check valve with dry powder stirring feed arrangement intercommunication on the lateral wall to powder spraying pressure chamber 26, and the second check valve makes the dry powder can only follow dry powder stirring feed arrangement and get into powder spraying pressure chamber 26. The powder spraying pressure cavity 26 slides upwards to suck the dry powder in the dry powder stirring and feeding device into the powder spraying pressure cavity 26, then the powder spraying pressure cavity 26 slides downwards to enable the powder spraying push block 27 to compress the space in the powder spraying pressure cavity 26, and the dry powder in the dry powder stirring and feeding device is discharged through the powder spraying port 25 to extinguish fire. A temperature control cavity 69 is arranged at the lower right side in the shell 10, a temperature control device is arranged in the temperature control cavity 69, and the temperature control device controls the power device to start when sensing that the temperature is higher than a certain temperature; the upper right side is equipped with outage chamber 50 in the casing 10, is equipped with power protection devices in outage chamber 50, is equipped with aggregate unit between control by temperature change chamber 69 and the outage chamber 50, and aggregate unit makes power protection devices start when the temperature in control by temperature change chamber rises to the uniform temperature, and power protection devices is used for cutting off power supply circuit under temperature control devices's control.
As shown in fig. 1, 5 and 6, the dry powder stirring and feeding device comprises a dry powder storage chamber 11 fixedly arranged on the upper side wall of a powder spraying chamber 17, an internal thread meshing block 20 is fixedly arranged on the front side wall in the dry powder storage chamber 11, a feeding pipe extending into the dry powder storage chamber 11 is arranged at the upper part of a powder spraying pressure chamber 26, bilaterally symmetrical shifting doors 34 are rotatably arranged on the two side walls of the feeding pipe, a shifting door spring 24 is connected between the shifting doors 34 in a compression manner, two bilaterally symmetrical small notches are arranged on the two side walls of the feeding pipe, the shifting doors 34 can shift the dry powder in the dry powder storage chamber 11 into the powder spraying pressure chamber 26 through the small notches, a dry powder blocking block 33 is fixedly arranged on the upper end wall of the feeding pipe, a threaded shaft 21 is rotatably arranged on the upper side of the dry powder blocking block 33, the threaded shaft 21 penetrates through the internal thread meshing block 20, the threaded shaft 21 is in threaded connection with the internal thread meshing block 20, a fan-shaped meshing wheel 18 is fixedly arranged on the upper side of the threaded shaft 21, an annular groove disc 12 is arranged in the dry powder storage cavity 11 in a vertically sliding mode, the upper end of a threaded shaft 21 is rotatably connected with the annular groove disc 12, a ring of teeth are annularly arranged on the inner wall of the annular groove disc 12, an annular groove 23 is annularly arranged on the upper side wall of the annular groove disc 12, two annular groove sliders 22 are slidably arranged in the annular groove 23, a cavity is arranged in each annular groove slider 22, a scraper shaft 14 is rotatably arranged on the upper side wall of the cavity, a scraper shaft torsion spring 13 is connected between the scraper shaft 14 and the side wall of the cavity, a scraper driving wheel 15 is fixedly arranged on the upper side of the scraper shaft 14, the scraper driving wheel 15 can be meshed with the teeth on the inner wall of the annular groove disc 12, the scraper driving wheel 15 can be meshed with a fan-shaped meshing wheel 18, and a dry powder scraper 19 is fixedly arranged on the lower side of the scraper shaft 14.
The powder spraying pressure chamber 26 moves upwards to enable the poking door 34 to be opened under the action of the compressed powder poking door spring 24, meanwhile, the powder spraying pressure chamber 26 moves upwards to drive the dry powder blocking block 33 to move upwards in the dry powder storage chamber 11, the threaded shaft 21 moves upwards to be meshed with the meshing block 20, the threaded shaft 21 starts to rotate, the fan-shaped meshing wheel 18 is driven to rotate, the meshed scraper driving wheel 15 rotates, the scraper shaft 14 rotates while revolving around the threaded shaft 21, therefore, the scraper shaft 14 drives the dry powder scraper 19 to rotate and revolve around the threaded shaft 21, the annular groove sliding block 22 is driven to annularly slide in the annular groove 23, the dry powder scraper 19 slides in the dry powder storage chamber 11, and the scraper shaft torsion spring 13 stores elastic energy. When the scraper driving wheel 15 is disengaged from the fan-shaped engaging wheel 18, the scraper driving wheel can rotate reversely under the action of the scraper shaft torsion spring 13 to repeatedly stir and scrape, and when the powder spraying pressure cavity 26 moves downwards, the shifting door 34 can be closed to the middle, and dry powder is shifted into the powder spraying pressure cavity 26 through the small notch. When carrying out the powder of dusting and putting out a fire, powder spraying pressure chamber 26 rebound makes stirring feed arrangement start simultaneously, store the dry powder in the chamber 11 with the dry powder and dial into powder spraying pressure chamber 26 in, dry powder scraper 19 stores the intracavity 11 internal rotation and scrapes down the dry powder and store the chamber 11 lateral wall on the dry powder, and dry powder scraper 19 scatters the dry powder of caking round the rotation of threaded shaft 21, the effectual speed that has improved the dry powder feeding with eliminated the big caking of dry powder, can improve the utilization ratio of dry powder simultaneously.
As shown in FIG. 1, the temperature control device comprises a temperature control sensing motor 47 disposed on the right side wall of a temperature control chamber 69, the temperature control sensing motor 47 can be started for a period of time and stopped after the detected temperature exceeds the normal room temperature, a sensing motor shaft 44 is disposed on the left side of the temperature control sensing motor 47, a temperature control gear 45 is fixedly disposed on the sensing motor shaft 44, a heat temperature rack 46 is slidably disposed on the right rear side wall of the temperature control chamber 69, the temperature control gear 45 can be engaged with the heat temperature rack 46, a disconnection slide block 48 is fixedly disposed on the upper side wall of the heat temperature rack 46, a first terminal is fixedly disposed on the left side wall of the disconnection slide block 48, a power-off push rod 49 is fixedly disposed on the upper side wall of the disconnection slide block 48, a half copper pipe 43 is fixedly disposed on the left lower side wall of the temperature control chamber 69, the lower half copper pipe 43 is insulated and non-conductive, a second terminal is fixedly disposed on the upper side wall of the half copper pipe 43, a power supply is fixedly disposed on the upper left side wall of the temperature control chamber 69, a power supply and a power supply device are connected between the first terminal and the second terminal, the break slider 48 can slide the first terminal on the conductive and non-conductive portions of the copper half-tube 43.
When a fire does not occur, high temperature cannot be generated, the temperature control sensing motor 47 is not started, the sensing motor shaft 44 does not rotate, the hot temperature rack 46 is positioned below the temperature control cavity 69, the disconnection sliding block 48 is positioned on the lower side of the half copper pipe 43, the first binding post is contacted with the insulation part, the circuit of the deflector rod motor 38 is not conducted, when a fire occurs and high temperature is generated, the temperature control sensing motor 47 is started for a period of time and then stopped, the sensing motor shaft 44 rotates to drive the temperature control gear 45 to rotate, the hot temperature rack 46 is meshed to move upwards, the disconnection sliding block 48 moves upwards and is contacted with the part capable of conducting electricity of the half copper pipe 43, the circuit is communicated, and the deflector rod motor 38 is started. When a fire breaks out, high temperature is generated, the temperature control sensing motor 47 can be automatically started, personnel monitoring is not needed, the deflector rod motor 38 is automatically started, the fire can be extinguished at the first time as long as a fire breaks out, the safety and the timeliness are improved, and the fire is extinguished when the fire breaks out. The temperature control sensing motor 47 may be a general motor connected to a power supply through a temperature switch, and the temperature switch is turned off at normal temperature and turned on when the temperature exceeds a preset value.
As shown in fig. 1 and 3, the power unit includes: a deflector rod motor 38, a deflector rod motor shaft 67 is arranged at the output end of the deflector rod motor 38, a motor shaft fixing rod 68 vertical to the deflector rod motor shaft 67 is fixedly arranged at the rear side of the deflector rod motor shaft 67, a deflector rod 32 is fixedly arranged on the motor shaft fixing rod 68, an upper meshing wheel shaft 37 is rotatably arranged at the upper part of the rear side wall of the powder spraying cavity 17, an upper meshing wheel 35 is fixedly arranged at the rear side of the upper meshing wheel shaft 37, an upper push rod wheel 36 is fixedly arranged at the front side of the upper meshing wheel shaft 37, an upper push rod is radially arranged on the circumference of the push rod wheel 36, the deflector rod 32 can stir the upper push rod to further push the upper push rod wheel 36 to rotate, a lower meshing wheel shaft 42 is rotatably arranged at the lower part of the rear side wall of the powder spraying cavity 17, a gear 39 is fixedly arranged at the rear side of the lower meshing wheel shaft 42, the gear 39 can be meshed with the hollow rod rack 30, a lower meshing wheel 40 is fixedly arranged at the middle section 42 of the lower meshing wheel shaft 40 can be meshed with the upper meshing wheel 35, a lower meshing wheel 41 is fixedly arranged at the front side of the lower meshing wheel shaft 42, the lower push rod wheel 41 is provided with a lower push rod on the circumference in the radial direction, and the deflector rod 32 can poke the upper push rod to further push the lower push rod wheel 41 to rotate.
After a fire disaster occurs, the temperature control device is started, so that the deflector rod motor 38 is started, the deflector rod motor shaft 67 is driven to rotate clockwise, the motor shaft fixing rod 68 is driven to rotate, the deflector rod 32 is driven to rotate, the upper push rod wheel 36 is stirred to rotate, the upper meshing wheel shaft 37 is driven to rotate and drive the upper meshing wheel 35 to rotate, the lower meshing wheel 40 is meshed to rotate, the lower meshing wheel shaft 42 is driven to rotate so that the gear 39 rotates, the hollow rod rack 30 of the meshing hollow rod moves downwards, the hollow rod 29 of the powder spraying cavity moves downwards, the powder spraying pressure cavity 26 is driven to move downwards, the inner space of the powder spraying pressure cavity 26 is reduced, and dry powder is sprayed into the 25 through the check valve on the left side wall of the powder spraying pressure cavity 26 to be sprayed out. The deflector rod motor shaft 67 continues to rotate, the upper push rod wheel 36 is not stirred any more, the lower push rod wheel 41 is stirred to rotate, the lower meshing wheel shaft 42 is made to rotate to drive the gear 39 to rotate, the meshing hollow rod rack 30 moves upwards, the powder spraying cavity hollow rod 29 moves upwards to drive the powder spraying pressure cavity 26 to move upwards, the powder spraying push block 27 is fixed, the space in the powder spraying pressure cavity 26 is made to be enlarged, and dry powder is sucked into the powder spraying pressure cavity 26 through a one-way valve on the upper side of the powder spraying pressure cavity 26. When the driving lever motor 38 is started, the powder spraying pressure chamber 26 is made to reciprocate up and down, so that the dry powder in the powder spraying pressure chamber 26 is vibrated up and down and fully dispersed, and meanwhile, the powder spraying port 25 moves up and down, so that the spraying range is enlarged.
As shown in fig. 1, 2 and 4, the power-off protection device comprises a power-off block cavity 52 arranged on the lower right side wall of a power-off cavity 50, a power-off slider 54 is slidably arranged in the power-off block cavity 52, a power-off block spring 53 is connected between the lower side wall of the power-off slider 54 and the lower side wall of the power-off block cavity 52, a power-off push rod 49 can extend into the power-off block cavity 52 to push the power-off slider 54, a slider shaft 55 is rotatably arranged on the front side of the power-off slider 54, a slider hinge rod 56 is fixedly arranged on the front side of the slider shaft 55, a winding shaft 57 is rotatably arranged on the rear side wall of the power-off cavity 50, the winding shaft 57 passes through the power-off block cavity 52, a chute hinge rod 64 is fixedly arranged on the front side of the winding shaft 57, the slider hinge rod 56 is hinged to the chute hinge rod 64, a winding wheel 58 is fixedly arranged on the rear side of the winding shaft 57, a pull wire 59 is wound on the winding wheel 58, a front rod 65 is hinged to the chute hinge rod 64, a front rod 65 is hinged to the slider hinge rod 56 to be hinged to be an electric metal rod 66, pass fixed slide groove 63 that is equipped with in electric metal pole 66 right side, slide in slide groove 63 and be equipped with the slider of acting as go-between 61, the fixed metal conducting block 62 that is equipped with on the lateral wall about the slider of acting as go-between 61 right-hand member and the reel 58 of acting as go-between is connected with the 59 of acting as go-between, the slider of acting as go-between 61 right-hand member is connected with wire 60 with the external world, the fixed conducting rod 51 that is equipped with on the lateral wall under the outage chamber 50 left side, pass electric metal pole 66 can with the conducting rod 51 butt, be connected with the electric wire between conducting rod 51 left end and the electric energy meter.
After high temperature is generated, the hot temperature rack 46 moves upwards, the power-off push rod 49 moves upwards to push the power-off slide block 54 to move upwards, the slide block hinge rod 56 is driven to move upwards, the electricity transmission metal rod 66 moves upwards, the winding shaft 57 rotates on the rear side wall of the power-off cavity 50, the sliding groove hinge rod 64 starts to rotate, the electricity transmission metal rod 66 is turned from the vertical state to the horizontal state, the electricity transmission metal rod is separated from the contact with the conducting rod 51 and does not transmit electric power any more, meanwhile, the sliding groove hinge rod 64 rotates to drive the winding shaft 57 to rotate, the winding wheel 58 rotates to tighten the pull wire 59, the pull wire slide block 61 is pulled rightwards in the pull wire slide block groove 63, the lead 60 is put rightwards and is contracted into the rear side wall of the shell 10. The electric energy meter is disconnected with the connected circuit, the circuit is protected from being burnt, the circuit is plugged into the rear wall through the winding wheel 58, open flame burning is reduced, other connected household electrical appliance equipment is influenced, the efficiency of electric power recovery after a disaster is effectively accelerated, and the time of influencing the electric power of a resident is reduced due to the electric energy meter fire.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. An automatic fire extinguishing electric energy meter box utilizing dry powder comprises a shell (10) and is characterized in that a powder spraying cavity (17) is arranged on the left side in the shell (10), a hollow rod sliding groove (31) is fixedly arranged on the lower side wall of the powder spraying cavity (17), a push block fixing rod (28) is fixedly arranged on the lower side wall of the hollow rod sliding groove (31), a powder spraying push block (27) is fixedly arranged at the upper end of the push block fixing rod (28), a powder spraying cavity hollow rod (29) is slidably arranged in the hollow rod sliding groove (31), a hollow rod rack (30) is fixedly arranged on the right side of the powder spraying cavity hollow rod (29), and the hollow rack (30) is meshed with a power device to reciprocate up and down under the driving of the power device; the powder spraying device is characterized in that a hollow rod spring (16) is sleeved on the outer side of the lower end of a push block fixing rod (28), one end of the hollow rod spring (16) is connected with the bottom of a hollow rod chute (31), the other end of the hollow rod spring abuts against the bottom of a powder spraying cavity hollow rod (29), the push block fixing rod (28) extends into a cavity in the powder spraying cavity hollow rod (29) to be in sliding connection, a powder spraying pressure cavity (26) is fixedly arranged on the upper side wall of the powder spraying cavity hollow rod (29), a powder spraying push block (27) is in sliding connection with the powder spraying pressure cavity (26), a powder spraying port (25) is communicated with the upper portion of the left side wall of the powder spraying pressure cavity (26), a first one-way valve is arranged at the joint of the powder spraying pressure cavity (26) and the powder spraying port (25), dry powder can only enter the powder spraying port (25) from the powder spraying pressure cavity (26), and a dry powder stirring and feeding device is fixedly arranged on the upper side wall of the powder spraying cavity (17), the upper end of the powder spraying pressure cavity (26) can extend into the dry powder stirring and feeding device, when the powder spraying pressure cavity (26) moves upwards, the dry powder stirring and feeding device can be started, a second one-way valve is communicated with the dry powder stirring and feeding device on the upper side wall of the powder spraying pressure cavity (26), dry powder can only enter the powder spraying pressure cavity (26) from the dry powder stirring and feeding device through the second one-way valve, the powder spraying pressure cavity (26) slides upwards to suck the dry powder in the dry powder stirring and feeding device into the powder spraying pressure cavity (26), then the powder spraying pressure cavity (26) slides downwards to enable the powder spraying push block (27) to compress the inner space of the powder spraying pressure cavity (26), the dry powder in the dry powder stirring and feeding device is discharged through the powder spraying port (25) to extinguish fire, and a temperature control cavity (69) is arranged at the lower right side in the shell (10), a temperature control device is arranged in the temperature control cavity (69), and the temperature control device controls the power device to start when sensing that the temperature is higher than a certain temperature; the powder spraying machine is characterized in that a power-off cavity (50) is arranged on the upper right side in the shell (10), a power-off protection device is arranged in the power-off cavity (50), a linkage device is arranged between the temperature control cavity (69) and the power-off cavity (50), the linkage device enables the power-off protection device to be started when the temperature of the temperature control cavity rises to a certain temperature, the power-off protection device is used for disconnecting a power circuit under the control of the temperature control device, the dry powder stirring and feeding device comprises a dry powder storage cavity (11) fixedly arranged on the upper side wall of the powder spraying cavity (17), an internal thread meshing block (20) is fixedly arranged on the inner front side wall of the dry powder storage cavity (11), a feeding pipe extending into the dry powder storage cavity (11) is arranged on the upper portion of the powder spraying pressure cavity (26), bilaterally symmetrical shifting doors (34) are rotatably arranged on the two side walls of the feeding pipe, and a shifting door spring (24) is connected between the shifting doors (34) in a compression mode, two small notches are symmetrically arranged on two side walls of the feeding pipe, the dry powder in the dry powder storage cavity (11) can be pushed into the powder spraying pressure cavity (26) through the small notches by the aid of the pushing door (34), a dry powder blocking block (33) is fixedly arranged on the upper end wall of the feeding pipe, a threaded shaft (21) is rotatably arranged on the upper side of the dry powder blocking block (33), the threaded shaft (21) penetrates through the internal thread meshing block (20), the threaded shaft (21) is in threaded connection with the internal thread meshing block (20), a fan-shaped meshing wheel (18) is fixedly arranged on the upper side of the threaded shaft (21), an annular groove disc (12) is arranged in the dry powder storage cavity (11) in a vertically sliding mode, the upper end of the threaded shaft (21) is rotatably connected with the annular groove disc (12), a ring-shaped tooth is annularly arranged on the inner wall of the annular groove disc (12), and an annular groove (23) is arranged on the upper side wall of the annular groove disc (12), slide in ring channel (23) and be equipped with two ring channel sliders (22), be equipped with a chamber in ring channel slider (22), rotate on this chamber lateral wall and be equipped with scraper axle (14), be connected with between scraper axle (14) and this chamber lateral wall and scrape axle torsional spring (13), scrape fixed scraper drive wheel (15) that is equipped with of axle (14) upside, scraper drive wheel (15) can with the tooth meshing of annular fluted disc (12) inner wall, scraper drive wheel (15) can with fan-shaped meshing wheel (18) meshing, scrape fixed dry powder scraper (19) that are equipped with of axle (14) downside.
2. A self-extinguishing electric energy meter box using dry powder as claimed in claim 1, characterized in that: the temperature control device comprises a temperature control sensing motor (47) arranged on the right side wall of the temperature control cavity (69), the temperature control sensing motor (47) can be started for a period of time to stop after the detection temperature exceeds the normal room temperature, a sensing motor shaft (44) is arranged on the left side of the temperature control sensing motor (47), a temperature control gear (45) is fixedly arranged on the sensing motor shaft (44), a heat temperature rack (46) is arranged on the right rear side wall of the temperature control cavity (69) in a vertically sliding manner, the temperature control gear (45) can be meshed with the heat temperature rack (46), a disconnection sliding block (48) is fixedly arranged on the upper side wall of the heat temperature rack (46), a first wiring terminal is fixedly arranged on the left side wall of the disconnection sliding block (48), a power-off push rod (49) is fixedly arranged on the upper side wall of the disconnection sliding block (48), a semi-copper pipe (43) is fixedly arranged on the left lower side wall of the temperature control cavity (69), the lower half section of the half copper pipe (43) is insulated and non-conductive, a second binding post is fixedly arranged on the upper side wall of the half copper pipe (43), a power supply is fixedly arranged on the upper left side wall of the temperature control cavity (69), a power supply and a power device are connected between the first binding post and the second binding post, and the disconnection sliding block (48) can drive the first binding post to slide on the upper conductive part and the lower non-conductive part of the half copper pipe (43).
3. A self-extinguishing electric energy meter box using dry powder as claimed in claim 2, characterized in that: the power device comprises: a deflector rod motor (38), a deflector rod motor shaft (67) is arranged at the output end of the deflector rod motor (38), a motor shaft fixing rod (68) perpendicular to the deflector rod motor shaft (67) is fixedly arranged at the rear side of the deflector rod motor shaft (67), a deflector rod (32) is fixedly arranged on the motor shaft fixing rod (68), an upper meshing wheel shaft (37) is rotatably arranged at the upper part of the rear side wall of the powder spraying cavity (17), an upper meshing wheel (35) is fixedly arranged at the rear side of the upper meshing wheel shaft (37), an upper push rod is radially arranged on the circumference of the upper push rod wheel (36), the deflector rod (32) can stir the upper push rod to further push the upper push rod wheel (36) to rotate, a lower meshing wheel shaft (42) is rotatably arranged at the lower part of the rear side wall of the powder spraying cavity (17), a gear (39) is fixedly arranged at the rear side of the lower meshing wheel shaft (42), the gear (39) can be meshed with the hollow rod rack (30), a lower meshing wheel (40) is fixedly arranged at the middle section of a lower meshing wheel shaft (42), the lower meshing wheel (40) can be meshed with the upper meshing wheel (35), a lower push rod wheel (41) is fixedly arranged on the front side of the lower meshing wheel shaft (42), a lower push rod is radially arranged on the circumference of the lower push rod wheel (41), and the shift lever (32) can shift the upper push rod to further push the lower push rod wheel (41) to rotate.
4. A self-extinguishing electric energy meter box using dry powder as claimed in claim 3, characterized in that: the power-off protection device comprises a power-off block cavity (52) arranged on the right lower side wall of a power-off cavity (50), a power-off sliding block (54) is arranged in the power-off block cavity (52) in a sliding mode, a power-off block spring (53) is connected between the lower side wall of the power-off sliding block (54) and the lower side wall of the power-off block cavity (52), a power-off push rod (49) can extend into the power-off block cavity (52) to push the power-off sliding block (54), a sliding block shaft (55) is arranged on the front side of the power-off sliding block (54) in a rotating mode, a sliding block hinge rod (56) is fixedly arranged on the front side of the sliding block shaft (55), a winding shaft (57) is arranged on the rear side wall of the power-off cavity (50) in a rotating mode, the winding shaft (57) penetrates through the power-off block cavity (52), a sliding groove hinge rod (64) is fixedly arranged on the front side of the winding shaft (57), and the sliding block hinge rod (56) is hinged with the sliding groove hinge rod (64), reel (58) is fixedly arranged on the rear side of winding shaft (57), pull wire (59) is wound on reel (58), a front hinged rod (65) is hinged to a chute hinged rod (64), a front hinged rod (65) and a slider hinged rod (56) are hinged to an electricity transmission metal rod (66), an stay wire slider groove (63) is fixedly arranged on the right side of electricity transmission metal rod (66), a pull wire slider (61) is arranged in pull wire slider groove (63) in a sliding manner, metal conductive blocks (62) are fixedly arranged on the upper side wall and the lower side wall of pull wire slider (61), pull wire (59) is connected between the right end of pull wire slider (61) and reel (58), a lead wire (60) is connected with the right end of pull wire slider (61) and the outside, a conductive rod (51) is fixedly arranged on the lower left side wall of power-off cavity (50), and electric transmission metal rod (66) can be abutted to conductive rod (51), and an electric wire is connected between the left end of the conducting rod (51) and the electric energy meter.
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| CN202011422201.2A CN112516493B (en) | 2020-12-08 | 2020-12-08 | Automatic fire extinguishing electric energy meter box using dry powder |
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| CN202011422201.2A CN112516493B (en) | 2020-12-08 | 2020-12-08 | Automatic fire extinguishing electric energy meter box using dry powder |
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| CN112516493B true CN112516493B (en) | 2021-12-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113975683A (en) * | 2021-11-16 | 2022-01-28 | 崔兴卫 | Electric meter box capable of extinguishing fire by utilizing dry powder inside and outside |
| CN115144634B (en) * | 2022-09-05 | 2022-12-20 | 国网山东省电力公司枣庄供电公司 | Power meter convenient and rapid to install |
| CN115483626B (en) * | 2022-11-14 | 2023-04-07 | 江苏银佳电子设备有限公司 | Emergency power supply box and box-type centralized power supply thereof |
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