CN114247225A - Electric energy metering appliance cabinet - Google Patents
Electric energy metering appliance cabinet Download PDFInfo
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- CN114247225A CN114247225A CN202111364480.6A CN202111364480A CN114247225A CN 114247225 A CN114247225 A CN 114247225A CN 202111364480 A CN202111364480 A CN 202111364480A CN 114247225 A CN114247225 A CN 114247225A
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- appliance cabinet
- electric energy
- cabinet
- fixedly connected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
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- Casings For Electric Apparatus (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The invention discloses an electric energy metering appliance cabinet, belonging to the field of electric energy metering, comprising a metering appliance cabinet, wherein the left end of the metering appliance cabinet is fixedly provided with a ventilation dust screen, the left inner wall of the metering appliance cabinet is symmetrically and fixedly provided with guide slide rails, one sides of the two guide slide rails, which are close to each other, are respectively provided with a guide chute, the inner wall of the guide chute is fixedly provided with a heating driving assembly, a self-cleaning wind box and a power production assembly are additionally arranged in the metering appliance cabinet for matching use, so that dust on the surface of the ventilation dust screen can be cleaned in time when being accumulated, the smooth ventilation in the measuring appliance cabinet is effectively kept, and then keep the temperature balance in the measuring appliance cabinet, be favorable to the continuous normal use of the interior equipment of measuring appliance cabinet, through the use of heating drive assembly, enlarge the clean area of automatically cleaning wind-force case again, further improve dust removal effect.
Description
Technical Field
The invention relates to the field of electric energy metering, in particular to an electric energy metering appliance cabinet.
Background
The electric energy metering device is a metering instrument used for measuring and recording generated energy, power supply quantity, station power consumption, line loss electric quantity and user power consumption. The electric energy metering device is an overall body composed of an electric energy meter (an active electric energy meter, a reactive electric energy meter, a maximum demand meter, a multi-rate electric energy meter and the like), a metering mutual inductor (comprising a voltage mutual inductor and a current mutual inductor) and a secondary connecting wire.
Along with the continuous development and extension of underground coal mines, underground coal mine power supply networks are increasingly complex, and the requirements on electric energy metering equipment are increased while the power supply networks are increasingly complex. The underground environment of the coal mine is more complex than the ground, so the requirements on electric energy metering equipment are different, for example, the underground equipment needs coal safety certification, the grade of the power supply voltage is different from the ground, and the like.
Electric energy metering equipment's use is generally concentrated and is placed in the installation cabinet, will keep the ventilation of installation cabinet simultaneously, the dustproof demand of ventilation in-process will appear this moment, current for the coal mine electric energy metering equipment's dustproof measure, rely on the mode that dust screen and artifical periodic cleaning combined mutually mostly, it is comparatively time-consuming and energy-consuming, because of the environment complicacy under the ore deposit, and the dust is more, block up and not obtain timely clearance like the dust screen, can lead to equipment heat-sinking capability sharply to descend, cause the veneer high temperature, the work is unusual.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an electric energy metering appliance cabinet, and the scheme is characterized in that a self-cleaning wind power box and a power production assembly are additionally arranged in the metering appliance cabinet for matching use, so that dust on the surface of a ventilation dust screen can be cleaned in time when accumulated, the ventilation efficiency is further prevented from being blocked by the ventilation dust screen, the ventilation in the metering appliance cabinet is effectively kept smooth, the temperature balance in the metering appliance cabinet is further kept, the continuous normal use of equipment in the metering appliance cabinet is facilitated, the automation degree of the self-cleaning wind power box is effectively improved through the use of a heating driving assembly, the cleaning area of the self-cleaning wind power box is enlarged, the dust removal effect is further improved, the uniform ventilation in the metering appliance cabinet is further effectively kept, and the heat dissipation and temperature reduction of the equipment are facilitated.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An electric energy metering appliance cabinet comprises a metering appliance cabinet, wherein a ventilation dustproof net is fixedly installed at the left end of the metering appliance cabinet, guide slide rails are symmetrically and fixedly installed on the left inner wall of the metering appliance cabinet, guide slide grooves are formed in the sides, close to each other, of the two guide slide rails, a heating driving assembly is fixedly installed on the inner wall of each guide slide groove, a self-cleaning wind box is slidably connected between the two guide slide grooves, an air outlet plate is fixedly installed on the inner wall of one side, close to the ventilation dustproof net, of the self-cleaning wind box, a power production assembly is fixedly installed on the inner wall of the self-cleaning wind box, and a photosensitive contact is fixedly installed on one side, close to the ventilation dustproof net, of the air outlet plate; through adding automatically cleaning wind-force case and power production subassembly cooperation use in the measurement utensil cabinet, can in time clear up when making the dust on ventilation dust screen surface pile up, and then prevent that the jam of ventilation dust screen from reducing ventilation efficiency, it is smooth and easy to effectively keep the ventilation in the measurement utensil cabinet, and then keep the temperature balance in the measurement utensil cabinet, do benefit to the continuous normal use of equipment in the measurement utensil cabinet, again through the use of heating drive assembly, effectively improve the degree of automation of automatically cleaning wind-force case, enlarge the clean area of automatically cleaning wind-force case, further improve the dust removal effect, and then effectively keep the even ventilation in the measurement utensil cabinet, do benefit to the equipment heat dissipation cooling.
Further, the heating driving assembly comprises a sealed containing bin, the sealed containing bin is fixedly installed on the upper inner wall of the guide sliding groove, an electric heating sheet is fixedly installed on the inner wall of the sealed containing bin, the lower end of the electric heating sheet is fixedly connected with a temperature sensing magnetic transformer, the lower end of the temperature sensing magnetic transformer is fixedly connected with a flexible connecting strip, the lower end of the flexible connecting strip is fixedly connected with a pushing block, a supporting rod is fixedly installed at the inner end of the self-cleaning wind power box, driving blocks are fixedly connected to the two ends of the supporting rod, and the driving blocks are fixedly connected with the lower end of the pushing block; when the light that shines it changes and produces the resistance and change when the sensitization contact, can lead to the electricity heating plate to take place the reaction thereupon, and then produce the heat supply to temperature sensing magnetic transformer and change, make the magnetism of temperature sensing magnetic transformer change, promote the propelling movement piece and produce the removal, thereby drive the drive block and produce the slip, enlarge the clearance area of automatically cleaning wind-force case, improve the automatically cleaning scope of ventilation dust screen, improve the device's automatically cleaning convenience, effectively improve automatically cleaning promptness, be favorable to reducing manual operation, and the production cost is reduced.
Furthermore, one side of the temperature sensing magnetic transformer block, which is close to the self-cleaning wind box, is fixedly connected with a dustproof stretching film, a plurality of memory metal heating wires are fixedly connected in the dustproof stretching film, and one end of the dustproof stretching film, which is far away from the temperature sensing magnetic transformer block, is fixedly connected with the pushing block; when the propelling movement piece produced the removal because of the magnetism change of temperature sensing magnetism change piece, dustproof extension membrane also extended thereupon, effectively keeps the leakproofness between temperature sensing magnetism change piece and the propelling movement piece, prevents that the dust from getting into the influence equipment operation, and the use of memory metal heater strip makes the extension of dustproof extension membrane more steady, and the receipts and releases of dustproof extension membrane of being more convenient for effectively keep the continuous service ability of dustproof extension membrane.
Further, the power production assembly comprises a partition plate, the inner wall of the front side of the self-cleaning wind power box is fixedly connected with the partition plate, the front side of the partition plate is fixedly provided with a motor, the output end of the motor penetrates through the partition plate and is fixedly connected with a driving rod, the outer end of the driving rod is fixedly connected with an exhaust cam strip, and the outer end of the exhaust cam strip is sleeved with a flexible extrusion air bag; when the resistance value of the photosensitive contact changes, the motor connected with the photosensitive contact is electrified and then started, a large amount of dust gas can be effectively supplied, the continuity of large-area cleaning of the ventilation dust screen by the self-cleaning wind box is effectively kept, the timely supply of gas is facilitated, and the dust removal timeliness is effectively improved.
Furthermore, the flexible extrusion air bag is divided into a left cavity and a right cavity, a one-way gas communicating device is fixedly arranged at the inner end of the flexible extrusion air bag and communicates the left cavity with the right cavity, an air inlet pipe is fixedly arranged at the upper end of the self-cleaning wind power box, a filter screen cylinder is connected to the upper inner wall of the air inlet pipe in a sliding manner, a one-way air inlet valve is fixedly arranged on the lower inner wall of the air inlet pipe, and the lower end of the air inlet pipe is fixedly connected with the upper end of the flexible extrusion air bag; when the left side cavity of flexible extrusion gasbag was discharged, the uniqueness of flexible extrusion gasbag exhaust direction had effectively been guaranteed in setting up of one-way gas communicating vessel, does benefit to concentrated wind-force and blows off the dust on the dust screen that ventilates, also does benefit to flexible extrusion gasbag left side cavity when exhausting, and the right side cavity is independently admitted air, has guaranteed the activity harmony of two cavities in the flexible extrusion gasbag, has also effectively guaranteed the continuous supply of the required gas of clearance.
Furthermore, a plurality of one-way air holes are formed in the air outlet plate, a one-way air outlet assembly is fixedly mounted on the inner wall of each one-way air hole, the one-way air outlet assembly is communicated with the left side of the flexible extrusion air bag through a one-way air inlet valve, each one-way air outlet assembly comprises a limiting ring, a limiting ring is fixedly mounted on the inner wall of each one-way air hole, and one side, close to the self-cleaning wind box, of each limiting ring is connected with a pneumatic floating ball through a cord; when not producing gas in the automatically cleaning wind-force case, the sealed of one-way gas pocket of keeping that can be convenient, and then keep the clean in the automatically cleaning wind-force case, prevent that external dust from getting into and causing the pollution to the automatically cleaning wind-force incasement, do benefit to the cleanliness factor that keeps the automatically cleaning wind-force case, and then effectively keep the clearance effect of automatically cleaning wind-force case.
Furthermore, an operation panel is fixedly installed at the outer end of the metering appliance cabinet, a self-alarm system is arranged at the inner end of the operation panel, the self-alarm system comprises a central control unit, the input end of the central control unit is connected with a temperature sensing unit, the input end of the temperature sensing unit is electrically connected with a temperature sensor through a wire, the output end of the central control unit is connected with a high-temperature alarm unit, and the output end of the high-temperature alarm unit is electrically connected with an alarm indicator lamp through a wire; through temperature-sensing ware and the cooperation use from alarm system, be convenient for carry out the signal show through the alarm indicator lamp with the high temperature condition in the measurement utensil cabinet to the external world, and then remind the staff to cool down its heat dissipation, do benefit to the safety in utilization that keeps the measurement utensil cabinet, prolong the life of measurement utensil cabinet.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through having increased automatically cleaning wind-force case and power production subassembly cooperation in measurement utensil cabinet and using, can in time clear up when making the dust on ventilation dust screen surface pile up, and then prevent that the jam of ventilation dust screen from reducing ventilation efficiency, it is smooth and easy to effectively keep the ventilation in the measurement utensil cabinet, and then keep the temperature balance in the measurement utensil cabinet, do benefit to the continuous normal use of equipment in the measurement utensil cabinet, again through the use of heating drive assembly, effectively improve the degree of automation of automatically cleaning wind-force case, enlarge the clean area of automatically cleaning wind-force case, further improve the dust removal effect, and then effectively keep the even ventilation in the measurement utensil cabinet, do benefit to the equipment heat dissipation cooling.
(2) When the light that shines it changes and produces the resistance and change when the sensitization contact, can lead to the electricity heating plate to take place the reaction thereupon, and then produce the heat supply to temperature sensing magnetic transformer and change, make the magnetism of temperature sensing magnetic transformer change, promote the propelling movement piece and produce the removal, thereby drive the drive block and produce the slip, enlarge the clearance area of automatically cleaning wind-force case, improve the automatically cleaning scope of ventilation dust screen, improve the device's automatically cleaning convenience, effectively improve automatically cleaning promptness, be favorable to reducing manual operation, and the production cost is reduced.
(3) When the propelling movement piece produced the removal because of the magnetism change of temperature sensing magnetism change piece, dustproof extension membrane also extended thereupon, effectively keeps the leakproofness between temperature sensing magnetism change piece and the propelling movement piece, prevents that the dust from getting into the influence equipment operation, and the use of memory metal heater strip makes the extension of dustproof extension membrane more steady, and the receipts and releases of dustproof extension membrane of being more convenient for effectively keep the continuous service ability of dustproof extension membrane.
(4) When the resistance value of the photosensitive contact changes, the motor connected with the photosensitive contact is electrified and then started, a large amount of dust gas can be effectively supplied, the continuity of large-area cleaning of the ventilation dust screen by the self-cleaning wind box is effectively kept, the timely supply of gas is facilitated, and the dust removal timeliness is effectively improved.
(5) When the left side cavity of flexible extrusion gasbag was discharged, the uniqueness of flexible extrusion gasbag exhaust direction had effectively been guaranteed in setting up of one-way gas communicating vessel, does benefit to concentrated wind-force and blows off the dust on the dust screen that ventilates, also does benefit to flexible extrusion gasbag left side cavity when exhausting, and the right side cavity is independently admitted air, has guaranteed the activity harmony of two cavities in the flexible extrusion gasbag, has also effectively guaranteed the continuous supply of the required gas of clearance.
(6) When not producing gas in the automatically cleaning wind-force case, the sealed of one-way gas pocket of keeping that can be convenient, and then keep the clean in the automatically cleaning wind-force case, prevent that external dust from getting into and causing the pollution to the automatically cleaning wind-force incasement, do benefit to the cleanliness factor that keeps the automatically cleaning wind-force case, and then effectively keep the clearance effect of automatically cleaning wind-force case.
(7) Through temperature-sensing ware and the cooperation use from alarm system, be convenient for carry out the signal show through the alarm indicator lamp with the high temperature condition in the measurement utensil cabinet to the external world, and then remind the staff to cool down its heat dissipation, do benefit to the safety in utilization that keeps the measurement utensil cabinet, prolong the life of measurement utensil cabinet.
Drawings
FIG. 1 is a schematic view of the overall structure of the measuring instrument cabinet of the present invention;
FIG. 2 is a schematic view of the structure of the guide rail according to the present invention;
FIG. 3 is a schematic view of a heating driving assembly according to the present invention;
FIG. 4 is a schematic side view of a cross-sectional structure of the self-cleaning wind box of the present invention;
FIG. 5 is a schematic view of the internal explosion structure of the self-cleaning wind box of the present invention;
FIG. 6 is an exploded view of the heating actuator assembly of the present invention;
FIG. 7 is a schematic front sectional view of the dust-proof spreading film of the present invention;
FIG. 8 is a schematic diagram of a side view cross-sectional structure of a one-way exhaust assembly according to the present invention;
FIG. 9 is a side sectional view of the air inlet tube of the present invention;
fig. 10 is a schematic structural diagram of the self-alarm system of the present invention.
The reference numbers in the figures illustrate:
1. a measuring instrument cabinet; 2. a ventilation dust screen; 3. a guide slide rail; 4. self-cleaning wind box; 5. a guide chute; 6. a heating drive assembly; 601. sealing the container; 602. an electrical heating sheet; 603. a temperature sensing magnetic transformer; 604. a flexible connecting strip; 605. a pushing block; 7. an air outlet plate; 8. a power producing component; 801. a separator plate; 802. a motor; 803. a drive rod; 804. an exhaust cam bar; 805. flexibly extruding the air bag; 9. a light sensing contact; 10. a dust-proof spreading film; 11. memory metal heating wires; 12. a support bar; 13. a drive block; 14. a one-way gas connector; 15. an air inlet pipe; 16. a screen cylinder; 19. a one-way air hole; 20. a one-way air outlet assembly; 2001. a limiting ring; 2002. a pneumatic floating ball; 21. an operation panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-5, an electric energy measuring apparatus cabinet comprises a measuring apparatus cabinet 1, a ventilation dust screen 2 is fixedly installed at the left end of the measuring apparatus cabinet 1, guide slide rails 3 are symmetrically and fixedly installed on the left inner wall of the measuring apparatus cabinet 1, guide slide grooves 5 are respectively formed at the sides of the two guide slide rails 3 close to each other, a heating driving assembly 6 is fixedly installed on the inner wall of each guide slide groove 5, a self-cleaning wind box 4 is slidably connected between the two guide slide grooves 5, an air outlet plate 7 is fixedly installed on the inner wall of the self-cleaning wind box 4 close to the ventilation dust screen 2, a power production assembly 8 is fixedly installed on the inner wall of the self-cleaning wind box 4, a photosensitive contact 9 is fixedly installed on the side of the air outlet plate 7 close to the ventilation dust screen 2, the photosensitive contact 9 is a photosensitive resistor and is electrically connected with an electric heating sheet 602 and an electric heating layer 801, and the heating efficiency of the heating sheet is low when the resistance value is increased, otherwise, the heating efficiency is high; through adding automatically cleaning wind-force case 4 and power production subassembly 8 cooperation use in measurement apparatus cabinet 1, can in time clear up when making 2 surperficial dusts of ventilation dust screen pile up, and then prevent that the jam of ventilation dust screen 2 from reducing ventilation efficiency, it is smooth and easy to effectively keep the ventilation in measurement apparatus cabinet 1, and then keep the temperature balance in the measurement apparatus cabinet 1, do benefit to the continuous normal use of equipment in the measurement apparatus cabinet 1, again through the use of heating drive assembly 6, effectively improve the degree of automation of automatically cleaning wind-force case 4, enlarge the clean area of automatically cleaning wind-force case 4, further improve the dust removal effect, and then effectively keep the even ventilation in the measurement apparatus cabinet 1, do benefit to the equipment cooling.
Referring to fig. 3 and 6, the heating driving assembly 6 includes a sealed container 601, the sealed container 601 is fixedly installed on the upper inner wall of the guide chute 5, an electric heating sheet 602 is fixedly installed on the inner wall of the sealed container 601, a temperature sensing magnetic transformer 603 is fixedly connected to the lower end of the electric heating sheet 602, a flexible connecting strip 604 is fixedly connected to the lower end of the temperature sensing magnetic transformer 603, a pushing block 605 is fixedly connected to the lower end of the flexible connecting strip 604, a supporting rod 12 is fixedly installed at the inner end of the self-cleaning wind box 4, driving blocks 13 are fixedly connected to the two ends of the supporting rod 12, and the driving blocks 13 are fixedly connected to the lower end of the pushing block 605; when the resistance value of the photosensitive contact 9 changes due to the change of light irradiating the photosensitive contact, the electric heating sheet 602 can be caused to react therewith, and then the heat supply to the temperature sensing magnetic transformer 603 changes, so that the magnetism of the temperature sensing magnetic transformer 603 changes, the pushing block 605 is pushed to move, and the driving block 13 is driven to slide, thereby enlarging the cleaning area of the self-cleaning wind box 4, improving the self-cleaning range of the ventilation dust screen 2, improving the self-cleaning convenience of the device, effectively improving the self-cleaning timeliness, being beneficial to reducing manual operation, and reducing the production cost.
Referring to fig. 6 and 7, a dustproof spreading film 10 is fixedly connected to one side of the temperature-sensing magnetic transformer 603 close to the self-cleaning wind box 4, a plurality of memory metal heating wires 11 are fixedly connected in the dustproof spreading film 10, and one end of the dustproof spreading film 10 far from the temperature-sensing magnetic transformer 603 is fixedly connected to the pushing block 605; when the pushing block 605 moves due to the change of magnetism of the temperature sensing magnetic transformer 603, the dustproof stretching film 10 also stretches, the sealing performance between the temperature sensing magnetic transformer 603 and the pushing block 605 is effectively kept, dust is prevented from entering and influencing the operation of the equipment, the stretching of the dustproof stretching film 10 is more stable due to the use of the memory metal heating wire 11, the dustproof stretching film 10 is more convenient to stretch and unfold, and the continuous use capability of the dustproof stretching film 10 is effectively kept.
Referring to fig. 4 and 5, the power generation assembly 8 includes an isolation plate 801, the front inner wall of the self-cleaning wind box is fixedly connected with the isolation plate 801, the front side of the isolation plate 801 is fixedly provided with a motor 802, the motors 802 and 9 are electrically connected through a wire, the resistance value of the photosensitive contact 9 is increased, the motor 802 starts to operate, and vice versa, the output end of the motor 802 penetrates through the isolation plate 801 and is fixedly connected with a driving rod 803, the outer end of the driving rod 803 is fixedly connected with an exhaust cam strip 804, and the outer end of the exhaust cam strip 804 is sleeved with a flexible extrusion air bag 805; when the resistance value of the photosensitive contact 9 changes, the motor 802 connected with the photosensitive contact is electrified to start the power production assembly 8, so that a large amount of dust gas can be effectively supplied, the self-cleaning wind box 4 can be effectively kept for cleaning the ventilation dust screen 2 in a large area continuously, the timely supply of gas is facilitated, and the dust removal timeliness is effectively improved.
Referring to fig. 4, 5 and 9, the flexible extrusion air bag 805 is divided into a left chamber and a right chamber, a one-way gas connector 14 is fixedly installed at the inner end of the flexible extrusion air bag 805, the left chamber and the right chamber are communicated by the one-way gas connector 14, an air inlet pipe 15 is fixedly installed at the upper end of the self-cleaning wind power box, a filter screen cylinder 16 is connected to the upper inner wall of the air inlet pipe 15 in a sliding manner, a one-way air inlet valve is fixedly installed at the lower inner wall of the air inlet pipe 15, and the lower end of the air inlet pipe 15 is fixedly connected with the upper end of the flexible extrusion air bag 805; when the left chamber of the flexible extrusion air bag 805 is exhausted, the arrangement of the one-way air communicating device 14 effectively ensures the uniqueness of the exhaust direction of the flexible extrusion air bag 805, is beneficial to blowing off dust on the ventilation dust screen 2 by concentrated wind power, is also beneficial to the independent air intake of the right chamber while the left chamber of the flexible extrusion air bag 805 is exhausted, ensures the activity coordination of the two chambers in the flexible extrusion air bag 805, and also effectively ensures the continuous supply of gas required for cleaning.
Referring to fig. 4, 5 and 8, a plurality of one-way air holes 19 are formed in the air outlet plate 7, a one-way air outlet assembly 20 is fixedly installed on the inner wall of the one-way air hole 19, the one-way air outlet assembly 20 is communicated with the left side of the flexible extrusion air bag 805 through a one-way air inlet valve, the one-way air outlet assembly 20 comprises a limiting ring 2001, a limiting ring 2001 is fixedly installed on the inner wall of the one-way air hole 19, and one side, close to the self-cleaning wind box 4, of the limiting ring 2001 is connected with a pneumatic floating ball 2002 through a cord; when not producing gas in automatically cleaning wind-force case 4, can be convenient keep the sealed of one-way gas pocket 19, and then keep the cleanness in automatically cleaning wind-force case 4, prevent that external dust from getting into and causing the pollution in automatically cleaning wind-force case 4, do benefit to the cleanliness factor that keeps automatically cleaning wind-force case 4, and then effectively keep the cleaning performance of automatically cleaning wind-force case 4.
Referring to fig. 1 and 5, an operation panel 21 is fixedly installed at the outer end of the measuring instrument cabinet 1, a self-alarm system is arranged at the inner end of the operation panel 21, the self-alarm system comprises a central control unit, the input end of the central control unit is connected with a temperature sensing unit, the input end of the temperature sensing unit is electrically connected with a temperature sensor through a wire, the output end of the central control unit is connected with a high-temperature alarm unit, and the output end of the high-temperature alarm unit is electrically connected with an alarm indicator lamp through a wire; through temperature-sensing ware and the cooperation use from alarm system, be convenient for carry out the signal show through the alarm indicator lamp with the high temperature condition in the measurement utensil cabinet 1 to the external world, and then remind the staff to cool down its heat dissipation, do benefit to the safe in utilization that keeps measurement utensil cabinet 1, prolong the life of measurement utensil cabinet 1.
Referring to fig. 1-10, when a certain amount of dust adheres to the ventilation and dust-proof net 2, the light emitted from the external light source is blocked by the dust, so that the intensity of the light irradiated onto the photosensitive contact 9 is reduced, and the resistance of the photosensitive contact 9 is reduced, so that the motor 802 with the model number of 60CB020C is powered and then rapidly started to drive the exhaust cam strip 804 to rotate in 4, and extrude the flexible extrusion air bag 805 filled with gas, when the exhaust cam strip 804 extrudes the left chamber of the flexible extrusion air bag 805, the gas in the left chamber is communicated with the one-way air holes 19 through the one-way air valve, and is exhausted to the surface of the ventilation and dust-proof net 2, and when the exhaust cam strip 804 extrudes the right chamber of the flexible extrusion air bag 805, the gas in the right chamber enters the one-way gas communicating device 14 to inflate the left chamber, and supplies the next extrusion of the exhaust cam strip 804, after the air in the right chamber is squeezed into the left chamber, the right chamber is supplemented with air from the outside through the air inlet pipe 15, and the uninterrupted cooperation can continuously blow off the dust attached to the ventilation dust screen 2, meanwhile, after the sealed containing bin 601 is heated, the magnetism is changed, the magnetic attraction to the pushing block 605 is reduced, so that the pushing block 605 drives the driving block 13 to slide in the guide chute 5, and further drives the self-cleaning wind box 4 and the power production assembly 8 to move, and the ventilation dust screen 2 is cleaned from top to bottom, thereby effectively expanding the cleaning range, improving the cleaning effect, effectively improving the heat dissipation effect, facilitating the normal and continuous operation of equipment in the cabinet, when the dust is cleaned, and the light irradiates the photosensitive contact 9 through the cleaned ventilation dust screen 2, enhancing the light intensity, and increasing the resistance value of the photosensitive contact 9, and then reduce the electricity supply to electric heating plate 602 and motor 802 for heating drive assembly 6 and power production subassembly 8 slow down to the inoperative state, wait the cleaning procedure start next time, effectively kept the clearance timeliness of the device, reduce the manual operation cost, also be convenient for improve equipment operation's security.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (10)
1. An electric energy measurement instrument cabinet, includes measurement instrument cabinet (1), its characterized in that: the left end fixed mounting of measurement utensil cabinet (1) has ventilation dust screen (2), the left inner wall symmetry fixed mounting of measurement utensil cabinet (1) has direction slide rail (3), two direction slide rail (3) one side that is close to each other has all seted up direction spout (5), the inner wall fixed mounting of direction spout (5) has heating drive assembly (6), two sliding connection has automatically cleaning wind-force case (4) between direction spout (5), one side inner wall fixed mounting that automatically cleaning wind-force case (4) are close to ventilation dust screen (2) has air-out board (7), the inner wall fixed mounting of automatically cleaning wind-force case (4) has power production subassembly (8), one side fixed mounting that air-out board (7) are close to ventilation dust screen (2) has sensitization contact (9).
2. An electric energy metering appliance cabinet as claimed in claim 1, wherein: heating drive assembly (6) are including sealed storehouse (601) of holding, the last inner wall fixed mounting of direction spout (5) has sealed storehouse (601) of holding, the sealed inner wall fixed mounting who holds storehouse (601) has electric heating piece (602), the lower extreme fixedly connected with temperature sensing magnetism becomes piece (603) of electric heating piece (602), the lower extreme fixedly connected with flexible connecting strip (604) of temperature sensing magnetism becomes piece (603), the lower extreme fixedly connected with propelling movement piece (605) of flexible connecting strip (604).
3. An electric energy metering appliance cabinet as claimed in claim 2, wherein: temperature sensing magnetism becomes piece (603) and is close to one side fixedly connected with dustproof extension membrane (10) of automatically cleaning wind-force case (4), fixedly connected with a plurality of memory metal heater strips (11) in dustproof extension membrane (10), and dustproof extension membrane (10) keep away from the one end and the propelling movement piece (605) fixed connection of temperature sensing magnetism becomes piece (603).
4. An electric energy metering appliance cabinet as claimed in claim 2, wherein: the inner end of the self-cleaning wind power box (4) is fixedly provided with a supporting rod (12), two ends of the supporting rod (12) are fixedly connected with driving blocks (13), and the driving blocks (13) are fixedly connected with the lower ends of the pushing blocks (605).
5. An electric energy metering appliance cabinet as claimed in claim 1, wherein: power production subassembly (8) include division board (801), front side inner wall fixedly connected with division board (801) of automatically cleaning wind-force case (4), the front side fixed mounting of division board (801) has motor (802), division board (801) fixedly connected with actuating lever (803) is run through to the output of motor (802), the outer end fixedly connected with exhaust cam strip (804) of actuating lever (803), exhaust cam strip (804) outer pot head is equipped with flexible extrusion gasbag (805).
6. An electric energy metering appliance cabinet as claimed in claim 5, wherein: the flexible extrusion air bag (805) is divided into a left chamber and a right chamber, a one-way gas communicating vessel (14) is fixedly arranged at the inner end of the flexible extrusion air bag (805), and the left chamber and the right chamber are communicated through the one-way gas communicating vessel (14).
7. An electric energy metering appliance cabinet as claimed in claim 6, wherein: the self-cleaning wind box is characterized in that an air inlet pipe (15) is fixedly mounted at the upper end of the self-cleaning wind box (4), a filter screen cylinder (16) is connected to the upper inner wall of the air inlet pipe (15) in a sliding mode, a one-way air inlet valve is fixedly mounted on the lower inner wall of the air inlet pipe (15), and the lower end of the air inlet pipe (15) is fixedly connected with the upper end of a flexible extrusion air bag (805).
8. An electric energy metering appliance cabinet as claimed in claim 6, wherein: a plurality of one-way air holes (19) are formed in the air outlet plate (7), one-way air outlet assemblies (20) are fixedly mounted on the inner walls of the one-way air holes (19), and the one-way air outlet assemblies (20) are communicated with the left side of the flexible extrusion air bag (805) through one-way air inlet valves.
9. An electric energy metering appliance cabinet as claimed in claim 8, wherein: the one-way air outlet assembly (20) comprises a limiting ring (2001), the limiting ring (2001) is fixedly installed on the inner wall of the one-way air hole (19), and a pneumatic floating ball (2002) is connected to one side, close to the self-cleaning wind power box (4), of the limiting ring (2001) through a rope.
10. An electric energy metering appliance cabinet as claimed in claim 1, wherein: the outer end fixed mounting of measurement utensil cabinet (1) has operating panel (21), operating panel (21) the inner is provided with from alarm system, from alarm system including central control unit, central control unit's input is connected with the temperature-sensing unit, the input of temperature-sensing unit passes through wire and temperature-sensing ware electric connection, central control unit's output is connected with high temperature warning unit, the output of high temperature warning unit has alarm indicator through wire electric connection.
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| CN202111364480.6A CN114247225B (en) | 2021-11-17 | 2021-11-17 | Electric energy metering appliance cabinet |
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| CN202111364480.6A CN114247225B (en) | 2021-11-17 | 2021-11-17 | Electric energy metering appliance cabinet |
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Cited By (1)
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| CN114247225B (en) | 2023-05-16 |
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Effective date of registration: 20230421 Address after: No. 2687 Longcheng Avenue A-269, Industrial Park, Benniu Town, Xinbei District, Changzhou City, Jiangsu Province, 213000 Applicant after: Jiangsu Baiwei Energy Technology Co.,Ltd. Address before: 553000 No. 183, Danxia Middle Road, panzhou City, Liupanshui City, Guizhou Province Applicant before: Du Huawei |
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