CN116454765A - Electric control cabinet with temperature control supervision and adjustment functions - Google Patents
Electric control cabinet with temperature control supervision and adjustment functions Download PDFInfo
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- CN116454765A CN116454765A CN202310421762.8A CN202310421762A CN116454765A CN 116454765 A CN116454765 A CN 116454765A CN 202310421762 A CN202310421762 A CN 202310421762A CN 116454765 A CN116454765 A CN 116454765A
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- 230000006870 function Effects 0.000 title claims description 12
- 230000033228 biological regulation Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 9
- 238000011156 evaluation Methods 0.000 claims description 25
- 238000004458 analytical method Methods 0.000 claims description 23
- 230000002159 abnormal effect Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 9
- 238000007405 data analysis Methods 0.000 claims description 3
- 230000009711 regulatory function Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 230000001105 regulatory effect Effects 0.000 abstract description 13
- 230000001276 controlling effect Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention relates to the technical field of power control cabinets, in particular to a power control cabinet with a temperature control supervision and adjustment function, which comprises an equipment shell, wherein a protective door is rotatably connected inside the front surface of the equipment shell, a shielding plate is fixedly connected to the upper surface of the equipment shell, and a dust cover is fixedly connected below the shielding plate on the upper surface of the equipment shell; according to the invention, the temperature value in the electric control cabinet is regulated and controlled in a mode of combining the system and the machinery, the temperature sensor for collecting data is monitored, the effectiveness of the collected data is ensured, and further, the regulation and control of the temperature in the electric control cabinet are facilitated to be accurate and reasonable, and the concentric shaft drives the regulating air plate to rotate through the transmission among gears to change the wind direction of external wind, so that the effect of the external wind on the inside of the equipment is facilitated to be improved, the effect of reasonably controlling the rotation speed of the heat dissipation fan is achieved, and the effect of the external wind on accelerating the cooling of the inside of the equipment is also improved.
Description
Technical Field
The invention relates to the technical field of power control cabinets, in particular to a power control cabinet with a temperature control supervision and adjustment function.
Background
When the power equipment is installed and used, the power control cabinet is often used, the power control cabinet is an important equipment of the power technology, and the inside of a box body of the power control cabinet is mostly a module with various electronic components; the control cabinet is characterized in that switching equipment, a measuring instrument, protective electrical appliances and auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement, the arrangement of the control cabinet meets the requirement of normal operation of a power system, the control cabinet is convenient to overhaul, and the safety of personnel and surrounding equipment is not endangered;
however, in the use process of the electric control cabinet, a large amount of heat is generated by a large amount of electric elements, because the operation of the electric elements has certain requirements on the temperature of the operation environment, if the internal temperature of the electric control cabinet is too high or too low, a lot of unnecessary influences are generated on the operation of the electric elements, if the temperature is not controlled, the electric control cabinet and electric appliances in the electric control cabinet are damaged, fire disaster is caused, immeasurable loss is caused, and the problem that the internal temperature of the electric control cabinet is improperly regulated exists
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to provide an electric control cabinet with a temperature control supervision and adjustment function, which solves the technical defects, and solves the problem of improper temperature regulation in the electric control cabinet in a system and mechanical combination mode, so that the effect of reasonably controlling the rotating speed of a cooling fan can be achieved, and the effect of improving the speed of external wind to cool the inside of equipment can be also achieved.
The aim of the invention can be achieved by the following technical scheme: the utility model provides an electric control cabinet with control by temperature change supervision regulatory function, includes the equipment shell, the inside guard gate that rotates of front surface of equipment shell is connected with, the upper surface fixedly connected with shielding plate of equipment shell, the upper surface of equipment shell is located the below fixedly connected with dust cover of shielding plate, the lower surface fixedly connected with variable speed motor of dust cover, the inside transmission of lower surface of variable speed motor is connected with the drive shaft, the outside of drive shaft has fixedly cup jointed the bevel gear, the surface symmetry meshing of bevel gear is connected with bevel gear worm, two the outside of bevel gear worm has all cup jointed the locating sleeve, and the locating sleeve is fixed connection with the inside top surface of equipment shell;
the outside of drive shaft has cup jointed the backup pad, and the backup pad is fixed connection with equipment shell, bevel gear worm is kept away from the one end meshing of bevel gear and is connected with the worm wheel pole, the lower extreme fixedly connected with radiator fan of drive shaft, one side fixedly connected with control panel of equipment shell.
Preferably, the outside sector gear that has all fixedly cup jointed in both ends of worm wheel pole, one side meshing of sector gear is connected with two-sided pinion rack, and two-sided pinion rack is sliding connection with the equipment shell, the lower extreme meshing of two-sided pinion rack is connected with the transmission pinion rack, the inside fixed grafting of transmission pinion rack has concentric shaft, the outside of concentric shaft has cup jointed the direction slide, and the direction slide is sliding connection with the equipment shell, the one end outside that concentric shaft is located between direction slide and the transmission pinion rack has cup jointed torsion spring, the one end fixedly connected with adjusting plate that the transmission pinion rack was kept away from to the concentric shaft.
Preferably, the air inlet has all been seted up to the both sides of equipment shell, and air inlet and regulation aerofoil cooperation, concentric axle is close to the one end outside of direction slide and has been cup jointed the limiting plate, one side fixedly connected with electric putter of limiting plate, and electric putter's the other end is fixed connection with the inner wall of equipment shell, the inside of equipment shell is located concentric axle below one side fixedly connected with location pinion rack, and location pinion rack and concentric axle mutually support.
Preferably, one end of the torsion spring is fixedly connected with the guide sliding plate, the other end of the torsion spring is fixedly connected with the transmission toothed plate, guide sliding grooves matched with the concentric shafts are symmetrically formed in the equipment shell, the protection plates are fixedly connected above the air inlet on two sides of the equipment shell, and one end of the bevel gear worm, far away from the speed change motor, is rotationally connected with the inner wall of the equipment shell.
Preferably, a regulation platform, an environment management unit, a self-checking feedback unit, a regulation analysis unit and an execution unit are arranged in the control panel;
when the regulation and control platform generates a pipe transporting instruction, the pipe transporting instruction is sent to the environment management unit, the environment management unit immediately collects the temperature value inside the electric control cabinet when receiving the pipe transporting instruction, analyzes the temperature value, and sends the obtained overheat signal and the obtained too low signal to the self-checking feedback unit and the regulation and control analysis unit;
the self-checking feedback unit immediately acquires operation data of the temperature sensor after receiving the overheat signal and the too low signal, wherein the operation data comprises working current and line loss value of the temperature sensor, analyzes the operation data, sends an obtained normal signal to the regulation analysis unit through the environment management unit, and sends an obtained abnormal signal to the execution unit;
when the regulation analysis unit receives the normal signal, the overheat signal and the too low signal, the too low temperature control signal is obtained when the normal signal and the too low signal are received, and the too low temperature control signal is sent to the execution unit;
and when the normal signal and the overheat signal are received, obtaining an overheat temperature control signal.
Preferably, the analysis process of the temperature value by the environment management unit is as follows:
the method comprises the steps of collecting the time length from the starting operation time to the ending operation time of equipment, marking the time length as a time threshold, acquiring the temperature value in the power control cabinet in the time threshold in real time, and comparing the temperature value with a preset temperature value interval recorded and stored in the power control cabinet in real time for analysis:
if the temperature value is greater than the maximum value in the preset temperature value interval, generating an overheat signal;
if the temperature value is within the preset temperature value interval, no signal is generated;
if the temperature value is less than the minimum value in the preset temperature value interval, an excessively low signal is generated.
Preferably, the operation data analysis process of the self-checking feedback unit is as follows:
the first step: dividing a time threshold into o sub-time nodes, wherein o is a natural number larger than zero, acquiring working currents of temperature sensors in each sub-time node, further acquiring a difference value between the working currents in two connected sub-time nodes, marking the difference value as a current floating value, constructing a set of the current floating values, acquiring a distributed value of the set of the current floating values, and marking the distributed value as a discrete evaluation value;
and a second step of: acquiring line loss values of temperature sensors in each sub-time node, taking time as an X axis, taking the line loss values as a Y axis, establishing a rectangular coordinate system, drawing a line loss value change curve in the coordinate system, drawing a preset line loss value threshold curve in the coordinate system, further acquiring the number of line loss values corresponding to the line loss value change curve positioned on the preset line loss value threshold curve from the coordinate system, marking an abnormal value, acquiring the total area surrounded by the line loss value change curve positioned above the preset line loss value threshold curve and the preset line loss value threshold curve, marking the total area as an abnormal area, and marking the product of the abnormal value and the abnormal area as a risk area value;
and a third step of: and comparing the discrete evaluation value and the risk area value with a preset discrete evaluation value threshold value and a preset risk area value threshold value which are recorded and stored in the discrete evaluation value and the risk area value:
if the discrete evaluation value is smaller than a preset discrete evaluation value threshold value and the risk area value is smaller than a preset risk area value threshold value, generating a normal signal;
if the discrete evaluation value is greater than or equal to a preset discrete evaluation value threshold or the risk area value is greater than or equal to a preset risk area value threshold, an abnormal signal is generated.
Preferably, the regulation analysis unit receives the normal signal and the overheat signal, obtains the overheat temperature control signal, and when the overheat temperature control signal is generated, immediately obtains a part of which the temperature value exceeds the maximum value in the preset temperature value interval, marks the part as a risk temperature value, and simultaneously compares the risk temperature value with the preset risk temperature value interval recorded and stored in the risk temperature value to analyze the risk temperature value:
if the risk temperature value is greater than the maximum value in the preset risk temperature value interval, a primary rotating speed signal is generated;
if the risk temperature value is within the preset risk temperature value interval, generating a secondary rotating speed signal;
if the risk temperature value is smaller than the minimum value in the preset risk temperature value interval, a three-level rotating speed signal is generated, wherein the rotating speeds of the radiating fans corresponding to the first-level rotating speed signal, the second-level rotating speed signal and the three-level rotating speed signal are sequentially reduced, the first-level rotating speed signal, the second-level rotating speed signal and the three-level rotating speed signal are sent to the execution unit, and the execution unit immediately controls the variable speed motor to drive the driving shaft to perform rotating speed work corresponding to the first-level rotating speed signal, the second-level rotating speed signal and the three-level rotating speed signal after receiving the first-level rotating speed signal, the second-level rotating speed signal and the three-level rotating speed signal.
The beneficial effects of the invention are as follows:
(1) The invention solves the problem of improper regulation and control of the internal temperature of the electric control cabinet by combining a system and a machine, judges whether the internal environment of the equipment is overheated or too low by analyzing the temperature value in the electric control cabinet so as to regulate and control the internal environment in time, reduce the influence of the environment on the equipment, monitor the temperature sensor for collecting data so as to ensure the working efficiency of the temperature sensor, and verify the authenticity and the effectiveness of the collected data, thereby being beneficial to accurately and reasonably regulating and controlling the internal temperature of the electric control cabinet;
(2) According to the invention, the electric push rod is controlled to shrink according to the obtained ultralow temperature control signal, so that the air inlet is shielded by the air regulating plate, the electric control cabinet is insulated, the working efficiency of the electric control cabinet is improved, the temperature inside the electric control cabinet is reasonably regulated and controlled according to the obtained overheat temperature control signal and deep analysis, and the concentric shaft drives the air regulating plate to rotate through transmission among gears, so that the wind direction of external wind is changed, the effect of the external wind on the inside of the equipment is improved, the effect of reasonably controlling the rotating speed of the heat radiating fan is achieved, and the effect of the external wind accelerating the cooling inside the equipment is also improved.
Drawings
The invention is further described below with reference to the accompanying drawings;
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a schematic view of the bevel gear of the present invention;
FIG. 3 is a schematic view of the dust cap of the present invention;
FIG. 4 is a schematic view of the structure of the sector gear of the present invention;
FIG. 5 is a schematic view of the structure of the damper of the present invention;
FIG. 6 is an enlarged view of area A of FIG. 5 in accordance with the present invention;
FIG. 7 is a flow chart of the system of the present invention;
fig. 8 is a partial analysis of the present invention.
Legend description: 1. an equipment housing; 2. a protective door; 3. a shielding plate; 4. a dust cover; 5. a variable speed motor; 6. a drive shaft; 7. a bevel gear; 8. an umbrella wheel worm; 9. a positioning sleeve; 10. a support plate; 11. a worm wheel rod; 12. a heat dissipation fan; 13. a sector gear; 14. double-sided toothed plates; 15. a drive toothed plate; 16. a concentric shaft; 17. a guide slide plate; 18. a torsion spring; 19. a limiting plate; 20. an electric push rod; 21. an air adjusting plate; 22. positioning a toothed plate; 23. a protection plate; 24. and a control panel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
referring to fig. 1-8, the invention discloses an electric control cabinet with a temperature control supervision and adjustment function, which comprises an equipment shell 1, wherein a protective door 2 is rotationally connected inside the front surface of the equipment shell 1, a shielding plate 3 is fixedly connected to the upper surface of the equipment shell 1, a dust cover 4 is fixedly connected to the upper surface of the equipment shell 1 below the shielding plate 3, a variable speed motor 5 is fixedly connected to the lower surface of the dust cover 4, a driving shaft 6 is connected to the lower surface of the variable speed motor 5 in a transmission manner, a bevel gear 7 is fixedly sleeved outside the driving shaft 6, bevel gear 7 is symmetrically meshed and connected to the outer surface of the bevel gear 7, one end of the bevel gear 8 far away from the variable speed motor 5 is rotationally connected with the inner wall of the equipment shell 1, a positioning sleeve 9 is sleeved outside the two bevel gear worms 8, the positioning sleeve 9 is fixedly connected with the inner top surface of the equipment shell 1, a supporting plate 10 is fixedly connected to the outer side of the driving shaft 6, the supporting plate 10 is fixedly connected with the equipment shell 1, one end of the bevel gear 8 far away from the bevel gear 7 is meshed and connected with a rod 11, the lower end of the driving shaft 6 is fixedly connected with a worm wheel 12, one side of the equipment shell 1 is fixedly connected with a driving shaft 24, namely, and when the driving shaft 6 is rotationally driven to rotate, the inner side of the driving shaft 6 is controlled to rotate, and then the driving shaft 6 is reasonably rotates, and the inner side of the device is driven to rotate, and the device is cooled down, and the device is reasonably rotates;
wherein, control panel 24's inside is provided with regulation and control platform, environment management unit, self-checking feedback unit, regulation and control analysis unit, early warning unit and execution unit, when regulation and control platform generates fortune pipe instruction, and send fortune pipe instruction to environment management unit, environment management unit is when receiving fortune pipe instruction, gather the inside temperature value of electric control cabinet immediately, and analyze the temperature value, judge whether the inside environment of equipment is overheated or too low, so that timely regulation and control is made to the inside environment, reduce the influence of environment to equipment, help reducing the fault risk rate of equipment simultaneously, specific temperature value analysis process is as follows:
the method comprises the steps of collecting the time length from the starting operation time to the ending operation time of equipment, marking the time length as a time threshold, acquiring the temperature value in the power control cabinet in the time threshold in real time, and comparing the temperature value with a preset temperature value interval recorded and stored in the power control cabinet in real time for analysis:
if the temperature value is greater than the maximum value in the preset temperature value interval, generating an overheat signal;
if the temperature value is within the preset temperature value interval, no signal is generated;
if the temperature value is smaller than the minimum value in the preset temperature value interval, generating an excessively low signal, and sending the overheat signal and the excessively low signal to a self-checking feedback unit and a regulation analysis unit;
the self-checking feedback unit immediately collects operation data of the temperature sensor after receiving the overheat signal and the too low signal, the operation data comprise working current and line loss values of the temperature sensor, the operation data are analyzed to judge whether the temperature sensor operates normally or not, the collected data are accurate or not so as to ensure the working efficiency of the temperature sensor, and the specific operation data analysis process is as follows:
dividing a time threshold into o sub-time nodes, wherein o is a natural number larger than zero, acquiring working currents of temperature sensors in each sub-time node, further acquiring a difference value between the working currents in two connected sub-time nodes, marking the difference value as a current floating value, constructing a set of the current floating values, acquiring a distributed value of the current floating value set, marking the distributed value as a discrete evaluation value, and describing that the larger the value of the discrete evaluation value is, the more abnormal the working of the temperature sensors is;
acquiring line loss values of temperature sensors in each sub-time node, taking time as an X axis, taking the line loss values as a Y axis, establishing a rectangular coordinate system, drawing a line loss value change curve in the coordinate system, drawing a preset line loss value threshold curve in the coordinate system, further acquiring the number of line loss values corresponding to the line loss value change curve positioned on the preset line loss value threshold curve from the coordinate system, marking an abnormal value, acquiring the total area surrounded by the line loss value change curve positioned above the preset line loss value threshold curve and the preset line loss value threshold curve, marking the total area as an abnormal area, marking the product of the abnormal value and the abnormal area as a risk area value, and comparing the discrete evaluation value and the risk area value with a preset discrete evaluation value threshold and a preset risk area value threshold which are recorded and stored in the discrete evaluation value and the risk area value threshold value:
if the discrete evaluation value is smaller than a preset discrete evaluation value threshold value and the risk area value is smaller than a preset risk area value threshold value, generating a normal signal, and transmitting the normal signal to a regulation and control analysis unit through an environment management unit;
if the discrete evaluation value is greater than or equal to a preset discrete evaluation value threshold value or the risk area value is greater than or equal to a preset risk area value threshold value, generating an abnormal signal, sending the abnormal signal to an execution unit, and immediately controlling an alarm lamp on equipment to be yellow after the execution unit receives the abnormal signal, so that the temperature sensor maintenance of workers is facilitated, and the authenticity and the effectiveness of data acquisition are ensured.
Example 2:
when the regulation analysis unit receives the normal signal, the overheat signal and the too low signal, the too low temperature control signal is obtained when the normal signal and the too low signal are received, the too low temperature control signal is sent to the execution unit, the execution unit immediately controls the electric push rod 20 to shrink after receiving the too low temperature control signal, the air inlet is shielded by the air regulating plate 21 so as to keep the electric control cabinet warm, and the work efficiency of the electric control cabinet is improved, wherein the air inlets are arranged on two sides of the equipment shell 1, the air inlets are matched with the air regulating plate 21, a limiting plate 19 is sleeved outside one end of the concentric shaft 16 close to the guide sliding plate 17, one side of the limiting plate 19 is fixedly connected with the electric push rod 20, the other end of the electric push rod 20 is fixedly connected with the inner wall of the equipment shell 1, one side of the inner part of the equipment shell 1, which is positioned below the concentric shaft 16, is fixedly connected with a positioning toothed plate 22, and the positioning toothed plate 22 is matched with the concentric shaft 16, the protection plate 23 is fixedly connected to the upper parts of the air inlets on both sides of the equipment shell 1, namely, when the electric push rod 20 is controlled to work, the variable speed motor 5 does not work, the electric push rod 20 drives the limiting plate 19 to move towards the outside of the air inlets along with the work of the electric push rod 20, the limiting plate 19 drives the concentric shaft 16 to synchronously move along with the movement of the limiting plate 19, the guide sliding plate 17 outside the concentric shaft 16 slides in the equipment shell 1, the concentric shaft 16 simultaneously drives the transmission toothed plate 15 to move, the transmission toothed plate 15 is meshed with the positioning toothed plate 22 to roll on the positioning toothed plate 22, the transmission toothed plate 15 drives the air regulating plate 21 to synchronously rotate through the concentric shaft 16, the air inlets are completely shielded by the air regulating plate 21, the external air is prevented from entering, so that the heat preservation treatment of the inside of the equipment is facilitated, the fault risk probability of the equipment is reduced, and the problem of unreasonable temperature regulation is solved;
when a normal signal and an overheat signal are received, an overheat temperature control signal is obtained, when the overheat temperature control signal is generated, a part of which the temperature value exceeds the maximum value in a preset temperature value interval is immediately obtained and marked as a risk temperature value, and meanwhile, the risk temperature value is compared with the preset risk temperature value interval recorded and stored in the risk temperature value to be analyzed:
if the risk temperature value is greater than the maximum value in the preset risk temperature value interval, a primary rotating speed signal is generated;
if the risk temperature value is within the preset risk temperature value interval, generating a secondary rotating speed signal;
if the risk temperature value is smaller than the minimum value in the preset risk temperature value interval, a three-level rotating speed signal is generated, wherein the rotating speeds of the radiating fan 12 corresponding to the first-level rotating speed signal, the second-level rotating speed signal and the third-level rotating speed signal are sequentially reduced, the first-level rotating speed signal, the second-level rotating speed signal and the third-level rotating speed signal are sent to the execution unit, the execution unit immediately controls the variable speed motor 5 to drive the driving shaft 6 to work after receiving the first-level rotating speed signal, the second-level rotating speed signal and the third-level rotating speed signal, and simultaneously works at the rotating speeds corresponding to the first-level rotating speed signal, the second-level rotating speed signal and the third-level rotating speed signal, so that the temperature inside the electric control cabinet is reasonably regulated and controlled, the sector gears 13 are fixedly sleeved outside the two ends of the worm gear rod 11, one side of the sector gears 13 is in meshed connection with the double-sided toothed plates 14, the double-sided toothed plate 14 is in sliding connection with the equipment shell 1, the lower end of the double-sided toothed plate 14 is in meshed connection with the transmission toothed plate 15, a concentric shaft 16 is fixedly inserted in the transmission toothed plate 15, guide sliding grooves matched with the concentric shaft 16 are symmetrically arranged in the equipment shell 1, a guide sliding plate 17 is sleeved outside the concentric shaft 16, the guide sliding plate 17 is in sliding connection with the equipment shell 1, a torsion spring 18 is sleeved outside one end of the concentric shaft 16 between the guide sliding plate 17 and the transmission toothed plate 15, one end of the torsion spring 18 is fixedly connected with the guide sliding plate 17, the other end of the torsion spring 18 is fixedly connected with the transmission toothed plate 15, one end of the concentric shaft 16 away from the transmission toothed plate 15 is fixedly connected with an adjusting air plate 21, namely when a variable speed motor 5 drives a driving shaft 6 to work at a corresponding rotating speed, the driving shaft 6 drives an external bevel gear 7 to synchronously rotate, meanwhile, the electric push rod 20 drives the concentric shaft 16 to move through the limiting plate 19, so that the transmission toothed plates 15 at the two ends of the concentric shaft 16 are meshed with the double-sided toothed plates 14, along with the rotation of the bevel gears 7, the bevel gears 7 reach the bevel gear worm 8 to rotate in the positioning sleeve 9 through transmission among the gears, along with the rotation of the bevel gear worm 8 and the transmission among the gears, the bevel gear worm 8 drives the worm wheel rod 11 below to synchronously rotate, the sector gears 13 at the two ends of the worm wheel rod 11 synchronously rotate circumferentially, and when the sector gears 13 rotate, the sector gears 13 drive one side of the double-sided toothed plates 14 to slide upwards in the equipment shell 1 through transmission among the gears, along with the sliding of the double-sided toothed plates 14, the transmission toothed plates 15 at the lower end side of the double-sided toothed plates 14 drive the double-toothed plates 15 to rotate, the transmission toothed plates 15 drive the air regulation plates 21 to rotate through the concentric shaft 16, so that the wind direction of external wind is changed, the range of the internal cooling of the equipment is increased, and simultaneously, when the transmission toothed plates 15 rotate, the torsion springs 18 are synchronously rotated, the sector gears 13 are separated from the double-sided toothed plates 14 are separated from the double-sided toothed plates, the double-sided toothed plates are separated from the double-sided toothed plates 14 are separated, the internal toothed plates are further, the internal regulation effect is improved, and the internal regulation effect is realized, and the intermittent effect is realized, and the effect is improved when the double-sided toothed plates are changed, and the double-sided toothed plates are rotated, and the internal toothed plates are rotated, and the device is further;
in summary, the invention solves the problem of improper regulation and control of the internal temperature of the electric control cabinet by combining the system and the machinery, and judges whether the internal environment of the equipment is overheated or too low by analyzing the temperature value in the electric control cabinet so as to regulate and control the internal environment in time, reduce the influence of the environment on the equipment, and monitor the temperature sensor for collecting data so as to ensure the working efficiency of the temperature sensor, and verify the authenticity and the validity of the collected data, thereby being beneficial to accurately and reasonably regulating and controlling the internal temperature of the electric control cabinet; according to the excessively low temperature control signal that obtains, control electric putter 20 shrink, make adjusting aerofoil 21 shelter from the air inlet, so keep warm to electric control cabinet, with the work efficiency that improves electric control cabinet, according to the overheated temperature control signal that obtains and deep-type analysis, carry out the inside temperature to electric control cabinet according to the reasonable regulation and control of different rotational speed signals, and drive between the gear, make concentric shaft 16 drive adjusting aerofoil 21 rotate, thereby change the wind direction of external wind, help improving the effect of external wind to the inside effect of equipment, so can reach the effect of reasonable control radiator fan 12 rotational speed, can reach the effect that improves external wind and accelerate the inside cooling of equipment again.
The size of the threshold is set for ease of comparison, and regarding the size of the threshold, the number of cardinalities is set for each set of sample data depending on how many sample data are and the person skilled in the art; as long as the proportional relation between the parameter and the quantized value is not affected. The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides an electric power control cabinet with control by temperature change supervision regulatory function, includes equipment shell (1), its characterized in that, the inside guard gate (2) that is connected with of front surface rotation of equipment shell (1), the upper surface fixedly connected with shielding plate (3) of equipment shell (1), the upper surface of equipment shell (1) is located the below fixedly connected with dust cover (4) of shielding plate (3), the lower surface fixedly connected with variable speed motor (5) of dust cover (4), the inside transmission of lower surface of variable speed motor (5) is connected with drive shaft (6), the outside fixed sleeve of drive shaft (6) has bevel gear (7), the outside symmetrical meshing of bevel gear (7) is connected with bevel gear worm (8), and two the outside of bevel gear worm (8) has all been cup jointed positioning sleeve (9), and positioning sleeve (9) are fixedly connected with the inside top of equipment shell (1);
the outside of drive shaft (6) has cup jointed backup pad (10), and backup pad (10) are fixed connection with equipment shell (1), the one end meshing that bevel gear (7) was kept away from to bevel wheel worm (8) is connected with worm wheel pole (11), the lower extreme fixedly connected with radiator fan (12) of drive shaft (6), one side fixedly connected with control panel (24) of equipment shell (1).
2. The electric control cabinet with the temperature control supervision and adjustment function according to claim 1, characterized in that the sector gear (13) is fixedly sleeved outside two ends of the worm gear rod (11), one side of the sector gear (13) is connected with the double-sided toothed plate (14) in a meshed mode, the double-sided toothed plate (14) is in sliding connection with the equipment shell (1), the lower end of the double-sided toothed plate (14) is connected with the transmission toothed plate (15) in a meshed mode, a concentric shaft (16) is fixedly spliced inside the transmission toothed plate (15), a guide sliding plate (17) is sleeved outside the concentric shaft (16), the guide sliding plate (17) is in sliding connection with the equipment shell (1), a torsion spring (18) is sleeved outside one end of the concentric shaft (16) between the guide sliding plate (17) and the transmission toothed plate (15), and an air adjusting plate (21) is fixedly connected with one end of the concentric shaft (16) away from the transmission toothed plate (15).
3. The electric control cabinet with the temperature control supervision and adjustment function according to claim 2, wherein air inlets are formed in two sides of the equipment shell (1), the air inlets are matched with the air adjusting plates (21), a limiting plate (19) is sleeved outside one end of the concentric shaft (16) close to the guide sliding plate (17), an electric push rod (20) is fixedly connected to one side of the limiting plate (19), the other end of the electric push rod (20) is fixedly connected with the inner wall of the equipment shell (1), a positioning toothed plate (22) is fixedly connected to one side, below the concentric shaft (16), of the inside of the equipment shell (1), and the positioning toothed plate (22) is matched with the concentric shaft (16).
4. The electric control cabinet with the temperature control supervision and adjustment function according to claim 2, wherein one end of the torsion spring (18) is fixedly connected with the guide sliding plate (17), the other end of the torsion spring (18) is fixedly connected with the transmission toothed plate (15), guide sliding grooves matched with the concentric shafts (16) are symmetrically formed in the equipment shell (1), protection plates (23) are fixedly connected to the two sides of the equipment shell (1) above the air inlet, and one end of the bevel gear worm (8) far away from the variable speed motor (5) is rotatably connected with the inner wall of the equipment shell (1).
5. The electric control cabinet with the temperature control supervision and adjustment function according to claim 1, wherein a regulation platform, an environment management unit, a self-checking feedback unit, a regulation analysis unit and an execution unit are arranged in the control panel (24);
when the regulation and control platform generates a pipe transporting instruction, the pipe transporting instruction is sent to the environment management unit, the environment management unit immediately collects the temperature value inside the electric control cabinet when receiving the pipe transporting instruction, analyzes the temperature value, and sends the obtained overheat signal and the obtained too low signal to the self-checking feedback unit and the regulation and control analysis unit;
the self-checking feedback unit immediately acquires operation data of the temperature sensor after receiving the overheat signal and the too low signal, wherein the operation data comprises working current and line loss value of the temperature sensor, analyzes the operation data, sends an obtained normal signal to the regulation analysis unit through the environment management unit, and sends an obtained abnormal signal to the execution unit;
when the regulation analysis unit receives the normal signal, the overheat signal and the too low signal, the too low temperature control signal is obtained when the normal signal and the too low signal are received, and the too low temperature control signal is sent to the execution unit.
6. The power control cabinet with temperature control, supervision and adjustment function according to claim 5, wherein the environmental management unit analyzes the temperature value as follows:
the method comprises the steps of collecting the time length from the starting operation time to the ending operation time of equipment, marking the time length as a time threshold, acquiring the temperature value in the power control cabinet in the time threshold in real time, and comparing the temperature value with a preset temperature value interval recorded and stored in the power control cabinet in real time for analysis:
if the temperature value is greater than the maximum value in the preset temperature value interval, generating an overheat signal;
if the temperature value is within the preset temperature value interval, no signal is generated;
if the temperature value is less than the minimum value in the preset temperature value interval, an excessively low signal is generated.
7. The power control cabinet with temperature control supervision and adjustment function according to claim 5, wherein the operation data analysis process of the self-checking feedback unit is as follows:
the first step: dividing a time threshold into o sub-time nodes, wherein o is a natural number larger than zero, acquiring working currents of temperature sensors in each sub-time node, further acquiring a difference value between the working currents in two connected sub-time nodes, marking the difference value as a current floating value, constructing a set of the current floating values, acquiring a distributed value of the set of the current floating values, and marking the distributed value as a discrete evaluation value;
and a second step of: acquiring line loss values of temperature sensors in each sub-time node, taking time as an X axis, taking the line loss values as a Y axis, establishing a rectangular coordinate system, drawing a line loss value change curve in the coordinate system, drawing a preset line loss value threshold curve in the coordinate system, further acquiring the number of line loss values corresponding to the line loss value change curve positioned on the preset line loss value threshold curve from the coordinate system, marking an abnormal value, acquiring the total area surrounded by the line loss value change curve positioned above the preset line loss value threshold curve and the preset line loss value threshold curve, marking the total area as an abnormal area, and marking the product of the abnormal value and the abnormal area as a risk area value;
and a third step of: and comparing the discrete evaluation value and the risk area value with a preset discrete evaluation value threshold value and a preset risk area value threshold value which are recorded and stored in the discrete evaluation value and the risk area value:
if the discrete evaluation value is smaller than a preset discrete evaluation value threshold value and the risk area value is smaller than a preset risk area value threshold value, generating a normal signal;
if the discrete evaluation value is greater than or equal to a preset discrete evaluation value threshold or the risk area value is greater than or equal to a preset risk area value threshold, an abnormal signal is generated.
8. The electric control cabinet with the temperature control supervision and adjustment function according to claim 5, wherein the control analysis unit receives the normal signal and the overheat signal, obtains the overheat temperature control signal, immediately acquires a part of which the temperature value exceeds the maximum value in the preset temperature value interval when the overheat temperature control signal is generated, marks the part as a risk temperature value, and simultaneously compares the risk temperature value with the preset risk temperature value interval which is recorded and stored in the regulation analysis unit:
if the risk temperature value is greater than the maximum value in the preset risk temperature value interval, a primary rotating speed signal is generated;
if the risk temperature value is within the preset risk temperature value interval, generating a secondary rotating speed signal;
if the risk temperature value is smaller than the minimum value in the preset risk temperature value interval, a three-level rotating speed signal is generated, wherein the rotating speeds of the radiating fans (12) corresponding to the first-level rotating speed signal, the second-level rotating speed signal and the three-level rotating speed signal are sequentially reduced, the first-level rotating speed signal, the second-level rotating speed signal and the three-level rotating speed signal are sent to the execution unit, and the execution unit immediately controls the variable speed motor (5) to drive the driving shaft (6) to perform rotating speed work corresponding to the first-level rotating speed signal, the second-level rotating speed signal and the three-level rotating speed signal after receiving the first-level rotating speed signal, the second-level rotating speed signal and the three-level rotating speed signal.
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| CN116454765B (en) | 2023-10-13 |
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