CN112576684B - Special shock-absorbing and shock-proof device for central air conditioner - Google Patents

Special shock-absorbing and shock-proof device for central air conditioner Download PDF

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Publication number
CN112576684B
CN112576684B CN202011359012.5A CN202011359012A CN112576684B CN 112576684 B CN112576684 B CN 112576684B CN 202011359012 A CN202011359012 A CN 202011359012A CN 112576684 B CN112576684 B CN 112576684B
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China
Prior art keywords
shock absorption
damping
central air
shock
operational amplifier
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CN202011359012.5A
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CN112576684A (en
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王文举
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Jinan Sijian Group Intelligent Fire Engineering Co ltd
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F16F15/085—Use of both rubber and metal springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/008—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means by using ultrasonic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/04—Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2222/00—Special physical effects, e.g. nature of damping effects
    • F16F2222/12—Fluid damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/08—Sensor arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/18—Control arrangements

Abstract

A device with shock absorption and shock prevention functions special for a central air conditioner comprises a shock absorption assembly and a shock absorption and shock prevention control system; the damping component comprises a primary damping unit (A), a secondary damping unit (B) and a mounting base (C); the shock absorption and shock prevention control system comprises an inclination angle sensor, a spring force transducer, a piezomagnetic force sensor, an ultrasonic amplitude measuring instrument, an MCU (microprogrammed control unit) processor, a hydraulic pump, an electromagnetic valve, a shock absorption liquid tank and an external power supply. The device with the shock absorption and shock absorption functions special for the central air conditioner comprises a shock absorption assembly and a shock absorption and shock absorption control system, wherein the shock absorption assembly is used as a structural assembly of the device with the shock absorption and shock absorption functions, the shock absorption and shock absorption control system is used as a device control assembly with the shock absorption and shock absorption functions, and the shock absorption assembly and the shock absorption and shock absorption control system supplement each other and jointly play a shock absorption and shock absorption function for the central air conditioner.

Description

Special shock-absorbing and shock-proof device for central air conditioner
Technical Field
The invention relates to the field of buildings, in particular to a device with a shock absorption and shock absorption function special for a central air conditioner.
Background
The base support of the existing central air conditioner is only a simple support, and various noise influences of vibration transmission to a building body when the central air conditioner works are not considered at all. At present, most buildings are frame high-rise buildings, and any knocking vibration can be transmitted into the whole building body. When the central air conditioner works, the vibration generated by the central air conditioner enters the room through the wall to generate sound waves, so that buzzing sound can bring uneasiness to people, particularly when people have a rest at night. Sometimes, resonance with a building body may occur to affect the building body.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a device with a shock absorption and shock absorption function special for a central air conditioner.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a device with shock absorption and shock prevention functions special for a central air conditioner comprises a shock absorption assembly and a shock absorption and shock prevention control system;
the damping component comprises a primary damping unit A, a secondary damping unit B and a mounting base C; wherein the content of the first and second substances,
the primary damping unit A comprises a bottom plate A1, two connecting columns A2 which are vertically arranged are respectively arranged on the left side and the right side of the bottom plate A1, a telescopic rod A3 which is vertically arranged is fixed at the top of the connecting column A2, a compression spring A5 is sleeved outside the telescopic rod A3, and the top of the telescopic rod A3 is fixed at the bottom of the top plate A4; the middle part of the top plate A4 is provided with a connecting rod A7 which is vertically arranged, the left side and the right side of the connecting rod A7 are also provided with auxiliary connecting rods A6 which are arranged in parallel, the bottom of the connecting rod A7 is fixed on a connecting disc A8, and the bottoms of the connecting disc A8 and the auxiliary connecting rod A6 are both fixedly connected to the upper part of the supporting plate A9; the supporting plate A9 is used for placing the supporting frame 2 at the bottom of the central air-conditioning box body 1;
the bottom of the primary damping unit A is provided with a secondary damping unit B;
the secondary damping unit B comprises a top plate B1 and a bottom plate B3, and the top of the top plate B1 is connected to the bottom of the bottom plate A1 through a cushion block B2; a damping elastic pipe B5 is arranged between the top plate B1 and the bottom plate B3; fixed connecting bolts B4 penetrate through two sides of the top plate B1 and the bottom plate B3, and the fixed connecting bolts B4 are used for clamping the damping elastic tubes B5 between the top plate B1 and the bottom plate B3 to prevent the damping elastic tubes B5 from falling off;
the bottom of the secondary damping unit B is provided with a mounting base C, and a bottom plate B3 is directly mounted on the top of the mounting base C;
the shock absorption and shock prevention control system comprises:
the inclination angle sensor is arranged on the peripheral side surface of the bottom of the central air-conditioning box body 1;
the spring force transducer is arranged on a compression spring A5 of the primary damping unit A;
the piezomagnetic force sensor is arranged on the damping elastic tube B5 of the secondary damping unit B;
the ultrasonic amplitude measuring instrument is arranged on the edge side of the roof;
the MCU processor is electrically connected with the tilt sensor, the spring force transducer, the piezomagnetic force sensor, the ultrasonic amplitude measuring instrument, the hydraulic pump and the electromagnetic valve;
the hydraulic pump comprises two ports, one port is connected to the damping elastic pipe B5, and the other port is connected to the damping liquid tank;
the two electromagnetic valves are respectively arranged at the front end and the rear end of the two ports of the hydraulic pump;
the damping fluid tank is internally filled with damping fluid and is provided with an opening, the opening is connected to one port of the hydraulic pump through a high-pressure resistant pipe, and the high-pressure resistant pipe is provided with an electromagnetic valve;
and the external power supply provides adaptive working voltage for the tilt angle sensor, the spring force transducer, the piezomagnetic force sensor, the ultrasonic amplitude measuring instrument, the MCU processor, the hydraulic pump and the electromagnetic valve.
The invention also has the following additional technical features:
the technical scheme of the invention is further specifically optimized as follows:
the damping elastic tube B5 is a hollow tube body with a hollow interior; the hollow pipe body comprises a protective layer B51 positioned on the outermost layer, wherein the inner side of the protective layer B51 is a metal mesh layer IB52, the inner side of the metal mesh layer IB52 is a connecting layer B53, the inner side of the connecting layer B53 is a metal mesh layer IIB54, and the inner side of the metal mesh layer IIB54 is an isolating layer B55; the hollow cavity in the damping elastic tube B5 is filled with damping liquid B56.
The technical scheme of the invention is further specifically optimized as follows:
the protective layer B51, the connecting layer B53 and the isolating layer B55 are made of rubber; the metal mesh layer IB52 and the metal mesh layer IIB54 are made of stainless steel; the damping fluid B56 is inorganic silicone oil.
The technical scheme of the invention is further specifically optimized as follows:
the damping elastic tube B5 is designed in an upper layer and a lower layer, and the upper layer damping elastic tube and the lower layer damping elastic tube are vertically distributed and arranged.
The technical scheme of the invention is further specifically optimized as follows:
the shock absorption and shock prevention control system is also provided with a display screen and an alarm, and the alarm is a buzzer alarm or a light alarm.
The technical scheme of the invention is further specifically optimized as follows:
a spring force sensor circuit is arranged in the spring force sensor, a signal of AD580-2.5V is set as a reference source in the spring force sensor circuit and is connected to the negative electrode of a primary operational amplifier AD741J through a resistor R1, and the positive electrode of the primary operational amplifier AD741J is grounded;
a branch of the first-stage operational amplifier AD741J is provided with a protective resistor R2;
the back circuit of the first-stage operational amplifier AD741J is divided into two branches, one branch is connected to the negative electrode of the second-stage operational amplifier AD741J through a resistor R6 and a resistor R7, and the other branch is grounded through a resistor R3, an adjustable resistor R4 and a resistor R5; wherein, the anode of the second-level operational amplifier AD741J is connected to the adjustable resistor R4;
the post circuit of the second-stage operational amplifier AD741J is connected to the current-expanding transistor 1N41 through a circuit R9;
the cathode of the secondary operational amplifier AD741J is further connected to the current-spreading transistor 1N41 via the elastic variable resistor R8.
The technical scheme of the invention is further specifically optimized as follows:
the tilt sensor is internally provided with a tilt sensor circuit which comprises an adjusting circuit, a temperature compensating circuit, a bridge circuit and a differential amplifier circuit; the adjusting circuit comprises a primary operational amplifier IC1/4 and a secondary operational amplifier IC1/4 which are connected in series front and back, and the output end of the secondary operational amplifier IC1/4 is connected with the temperature compensation circuit; the temperature compensation circuit comprises a primary thermistor 103AT and a secondary thermistor 103AT which are connected in series, the connection point of the primary thermistor 103AT and the secondary thermistor 103AT is connected to a three-level operational amplifier IC1/4, and the output end of the three-level operational amplifier IC1/4 is connected to a bridge circuit; the bridge circuit comprises a plurality of resistors forming the bridge circuit, and the output end of the bridge circuit is connected with the differential amplifier circuit; the differential amplifier circuit comprises a four-stage operational amplifier IC1/2 and a five-stage operational amplifier IC1/2, wherein the positive input end of the four-stage operational amplifier IC1/2 is connected with the adjustable resistor R11, and the positive input end of the five-stage operational amplifier IC1/2 is connected with the bridge circuit.
The technical scheme of the invention is further specifically optimized as follows:
the piezomagnetic force sensor is internally provided with a piezomagnetic force sensor circuit, and the piezomagnetic force sensor circuit comprises a step-down transformer B1, an external pressure transformer B2, a filter F1, a filter F2, a rectifier D and a zero voltage compensation circuit A; the step-down transformer B1 and the external pressure transformer B2 are connected in series, and are connected in series with the rectifier D through the filter F1, and the rectifier D is connected in series with the filter F2 again; a protective resistor R2 is arranged between the external voltage transformer B2 and the filter F1, and front and rear nodes of the protective resistor R2 are respectively connected to the zero-voltage compensation circuit A; the input end of the step-down transformer B1 is connected to the input end of the zero voltage compensation circuit A.
Compared with the prior art, the invention has the advantages that:
the method has the advantages that 1: the device with the shock absorption and shock absorption functions special for the central air conditioner comprises a shock absorption assembly and a shock absorption and shock absorption control system, wherein the shock absorption assembly is used as a structural assembly of the device with the shock absorption and shock absorption functions, the shock absorption and shock absorption control system is used as a device control assembly with the shock absorption and shock absorption functions, and the shock absorption assembly and the shock absorption and shock absorption control system supplement each other and jointly play a shock absorption and shock absorption function for the central air conditioner.
The method has the advantages that: the primary damping units A are provided with six groups in total, the six groups are arranged on the front side and the rear side of the central air-conditioning box body 1, three groups are respectively arranged on each side and are symmetrically distributed, and the design is favorable for keeping the central air-conditioning box body 1 at a proper inclination angle. The primary damping unit a can effectively absorb most of the vibration of the central air-conditioning cabinet 1.
The method has the advantages that: the damping elastic tube B5 is filled with damping fluid B56 of inorganic silicone oil, and the upper damping elastic tube and the lower damping elastic tube are arranged in a mutually vertical manner, so that firstly, the damping fluid can effectively absorb the vibration of the central air-conditioning box body 1, the transmission path of the vibration is blocked, secondly, the inorganic silicone oil has a flame retardant effect and a non-volatile effect, and the service life of the secondary damping unit B is prolonged.
Advantage 4: when the parameter information monitored by the tilt angle sensor is abnormal, the fact that the angle of the central air-conditioning box body 1 deviates is indicated, workers need to be arranged, the height of the corresponding primary damping unit A is adjusted, and then the angle of the central air-conditioning box body 1 is adjusted.
The advantages are that 5: when the parameter information monitored by the spring force transducer is abnormal, the situation shows that the stress of the primary damping unit A is too small or too large; when the stress is too small, workers need to be arranged in time to check the central air-conditioning box body 1, and whether the internal equipment is stolen or leaks is checked; when the atress is too big, need timely arrangement staff to look over central air conditioning box 1, whether the inspection has other heavy objects to stack on central air conditioning box 1, if do not, then should adjust the preliminary shock attenuation unit A's that corresponds height, guarantee central air conditioning box 1's angle accuracy simultaneously.
The method has the advantages that: when the parameter information monitored by the piezomagnetic force sensor is abnormal, the secondary damping unit B is under too small stress or too large stress; when the stress is too small, the MCU processor controls the electromagnetic valve and the hydraulic pump to be started, the damping fluid of the damping elastic tube B5 is pumped into the damping fluid tank, and when the parameter information is normal, the MCU processor controls the electromagnetic valve and the hydraulic pump to be closed; when the stress is too large, the MCU processor controls the electromagnetic valve and the hydraulic pump to be started, the damping fluid of the damping fluid box is extracted to the damping elastic tube B5, and when the parameter information is normal, the MCU processor controls the electromagnetic valve and the hydraulic pump to be closed.
The method has the advantages that: when the parameter information of ultrasonic wave amplitude measuring apparatu monitoring is unusual, explain that the amplitude of central air conditioning box 1 is too big, at this moment, the staff need be arranged, the preliminary shock attenuation unit A's that the adjustment corresponds height, the preliminary shock attenuation unit A's of increase compression spring A5 is stressed, in addition, MCU treater control solenoid valve and hydraulic pump all start, with in shock attenuation liquid extraction part to the shock attenuation elastic tube B5 of shock attenuation liquid case, increase secondary shock attenuation unit B's stressed, when parameter information is normal after, MCU treater control solenoid valve and hydraulic pump all close.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall apparatus of the present invention;
FIG. 2 is a schematic structural view of a primary damping unit A of the present invention;
FIG. 3 is a schematic structural view of a primary damping unit A according to the present invention;
FIG. 4 is a schematic structural view of a primary damping unit A according to the present invention;
FIG. 5 is a schematic structural view of a primary damping unit A according to the present invention;
FIG. 6 is a schematic structural view of a secondary damping unit B according to the present invention;
FIG. 7 is a schematic structural view of a shock-absorbing elastic tube B5 according to the present invention;
FIG. 8 is a schematic view of the shock absorption and vibration prevention control system of the present invention;
FIG. 9 is a schematic diagram of a spring load cell circuit of the present invention;
FIG. 10 is a schematic diagram of a circuit structure of a tilt sensor according to the present invention;
FIG. 11 is a circuit diagram of a piezomagnetic force sensor according to the present invention;
fig. 12 is a schematic view of the external structure of the central air-conditioning cabinet 1 of the present invention;
fig. 13 is a schematic view of the internal structure of the central air-conditioning cabinet 1 of the present invention;
FIG. 14 is a schematic view of the installation position of the tilt sensor of the present invention;
FIG. 15 is a schematic view of a spring load cell of the present invention;
fig. 16 is a schematic view of a piezomagnetic force sensor according to the present invention.
Description of reference numerals: a central air-conditioning cabinet 1; a support frame 2; a primary damping unit A; a bottom panel A1; connecting column A2; an expansion link A3; a top panel A4; compression spring a 5; an auxiliary connecting rod a 6; connecting bar a 7; land A8; a support panel A9; a secondary damping unit B; a top panel B1; a pad B2; a bottom panel B3; a fixed attachment bolt B4; a shock-absorbing elastic tube B5; and installing a base C.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings, in order that the present disclosure may be more fully understood and fully conveyed to those skilled in the art. While the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the invention is not limited to the embodiments set forth herein.
The device comprises a damping component and a damping and shockproof control system, wherein the damping component is used as a structural component of the device with the damping and shockproof function, the damping and shockproof control system is used as a device control component with the damping and shockproof function, and the damping component and the damping and shockproof control system supplement each other and jointly play a damping and shockproof function for the central air conditioner.
As shown in fig. 1, the shock-absorbing assembly includes a primary shock-absorbing unit a, a secondary shock-absorbing unit B, and a mounting base C.
As shown in fig. 2 to 5, the primary damping unit a includes a bottom plate a1, two connecting columns a2 arranged vertically are respectively arranged on the left and right sides of the bottom plate a1, a telescopic rod A3 arranged vertically is fixed on the top of the connecting column a2, a compression spring a5 is sleeved outside the telescopic rod A3, and the top of the telescopic rod A3 is fixed on the bottom of the top plate a 4; the middle part of the top plate A4 is provided with a connecting rod A7 which is vertically arranged, the left side and the right side of the connecting rod A7 are also provided with auxiliary connecting rods A6 which are arranged in parallel, the bottom of the connecting rod A7 is fixed on a connecting disc A8, and the bottoms of the connecting disc A8 and the auxiliary connecting rod A6 are both fixedly connected to the upper part of the supporting plate A9; the supporting plate A9 is used for placing the supporting frame 2 at the bottom of the central air-conditioning cabinet 1.
In practical use, the material of the primary damping unit A is made of stainless steel, and the compression spring A5 is a high-strength compression spring. The primary damping units A are provided with six groups in total, the six groups are arranged on the front side and the rear side of the central air-conditioning box body 1, three groups are respectively arranged on each side and are symmetrically distributed, and the design is favorable for keeping the central air-conditioning box body 1 at a proper inclination angle. The primary damping unit a can effectively absorb most of the vibration of the central air-conditioning cabinet 1.
As shown in fig. 6, a secondary damping unit B is installed at the bottom of the primary damping unit a. The secondary damping unit B comprises a top plate B1 and a bottom plate B3, and the top of the top plate B1 is connected to the bottom of the bottom plate A1 through a cushion block B2; a damping elastic pipe B5 is arranged between the top plate B1 and the bottom plate B3; fixed connecting bolts B4 penetrate through two sides of the top plate B1 and the bottom plate B3, and the fixed connecting bolts B4 are used for clamping the damping elastic tubes B5 between the top plate B1 and the bottom plate B3 to prevent falling off.
The damping elastic tube B5 is a hollow tube body with a hollow interior; the hollow pipe body comprises a protective layer B51 positioned at the outermost layer, a metal mesh layer IB52 is arranged on the inner side of the protective layer B51, a connecting layer B53 is arranged on the inner side of the metal mesh layer IB52, a metal mesh layer IIB54 is arranged on the inner side of the connecting layer B53, and an isolating layer B55 is arranged on the inner side of the metal mesh layer IIB 54.
The protective layer B51, the connecting layer B53 and the isolating layer B55 are made of rubber; the material of mesh layer IB52 and mesh layer IIB54 is stainless steel.
The hollow cavity in the damping elastic tube B5 is filled with damping fluid B56, and the damping fluid B56 is inorganic silicone oil.
The damping elastic tube B5 is designed in an upper layer and a lower layer, and the upper layer damping elastic tube and the lower layer damping elastic tube are vertically distributed and arranged.
The layered design of the damping elastic tube B5 can ensure that the hollow tube body keeps an outward elastic state, increase the pressure resistance of the damping elastic tube B5 and prolong the service life of the damping elastic tube B5.
The damping elastic tube B5 is filled with damping fluid B56 of inorganic silicone oil, and the upper damping elastic tube and the lower damping elastic tube are arranged in a mutually vertical manner, so that firstly, the damping fluid can effectively absorb the vibration of the central air-conditioning box body 1, the transmission path of the vibration is blocked, secondly, the inorganic silicone oil has a flame retardant effect and a non-volatile effect, and the service life of the secondary damping unit B is prolonged.
As shown in fig. 1, a mounting base C is arranged at the bottom of the secondary damping unit B, and a bottom plate B3 is directly mounted at the top of the mounting base C; installation base C installs in the top on roof, when specifically placing, still can lay one deck insulating rubber pad according to actual conditions between installation base C and the roof.
Referring to fig. 1 to 7, a method for installing a shock-absorbing assembly includes the steps of:
step 1: the installation base C is installed at the top of the roof, and a layer of insulating rubber pad can be laid between the installation base C and the roof according to actual conditions.
Step 2: the bottom plate B3 of the secondary damping unit B is arranged at the top of the mounting base C, and in order to achieve a better protection effect, the bottom plate B3 and the mounting base C can be welded into a whole; the top of the bottom plate B3 is paved with a lower layer of damping elastic pipe firstly and then an upper layer of damping elastic pipe, and the upper layer of damping elastic pipe and the lower layer of damping elastic pipe are vertically distributed and arranged; after laying the shock-absorbing elastic tubes B5, placing an upper top plate B1 on the top of the upper layer of shock-absorbing elastic tubes, aligning the edges of the top plate B1 and the bottom plate B3, and finally locking and fixing the top plate B1 and the bottom plate B3 through fixing and connecting bolts B4, so that the top plate B1 and the bottom plate B3 clamp the shock-absorbing elastic tubes B5 and prevent falling off.
And step 3: the bottom plate A1 of the preliminary damping unit A which is assembled in advance is arranged at the top of the cushion block B2, and in order to achieve a better protection effect, the bottom plate A1 and the cushion block B2, and the cushion block B2 can be welded into a whole; the primary damping units A are provided with six groups in total, are arranged on the front side and the rear side of the central air-conditioning box body 1, and are respectively provided with three groups on each side and are symmetrically distributed; the positions of the six groups of the preliminary shock absorption units A need to be matched with the positions of the support frames 2 at the bottom of the central air-conditioning case 1.
And 4, step 4: the central air-conditioning cabinet 1 with the support frame 2 at the bottom is integrally placed on the support plate A9 of the six groups of the primary damping units A, and the support frame 2 and the support plate A9 can be welded into a whole in order to play a better protection effect.
And 5: after the steps 1 to 4 are completed, the central air-conditioning box body 1 is leveled through the shock absorption and shock prevention control system, so that the inclination angle of the central air-conditioning box body 1 meets the requirement.
As shown in fig. 8, the shock absorption and vibration prevention control system includes:
the inclination angle sensor can be provided with a plurality of during actual setting, is convenient for improve the rate of accuracy, and the inclination angle sensor is installed in central air conditioning box 1's bottom side all around.
The spring force cell sensor can be provided with a plurality of during actual setting, is convenient for improve the rate of accuracy, and the spring force cell sensor is installed on preliminary damping unit A's compression spring A5.
The pressure magnetism type force sensor can be provided with a plurality of during actual setting, is convenient for improve the rate of accuracy, and pressure magnetism type force sensor installs on secondary shock attenuation unit B's shock attenuation elasticity pipe B5.
Ultrasonic wave amplitude measuring apparatu can be provided with a plurality of during the actual setting, is convenient for improve the rate of accuracy, and ultrasonic wave amplitude measuring apparatu is installed in the edge side on roof.
The MCU processor is electrically connected with the tilt angle sensor, the spring force transducer, the piezomagnetic force transducer, the ultrasonic amplitude measuring instrument, the hydraulic pump and the electromagnetic valve.
And the hydraulic pump comprises two ports, one port is connected to the damping elastic tube B5, and the other port is connected to the damping liquid tank.
The electromagnetic valves are arranged at the front end and the rear end of the two ports of the hydraulic pump respectively.
Damping fluid case can set to closed structure during actual setting, prevents to get into debris, and the inside splendid attire of damping fluid case is equipped with damping fluid, and damping fluid case is provided with an opening, and the opening passes through high pressure resistant union coupling in a port of hydraulic pump, is provided with an solenoid valve on the high pressure resistant pipe.
And the external power supply provides corresponding working voltage for the tilt angle sensor, the spring force transducer, the piezomagnetic force transducer, the ultrasonic amplitude measuring instrument, the MCU processor, the hydraulic pump and the electromagnetic valve.
When in actual use, the shock absorption and shock prevention control system is also provided with a display screen and an alarm, and the alarm is a buzzer alarm or a light alarm.
FIG. 9 is a schematic diagram of a spring load cell circuit of the present invention; a spring force transducer circuit is arranged in the spring force transducer, in the spring force transducer circuit, a signal of AD580-2.5V is set as a reference source and is connected to the negative electrode of a primary operational amplifier AD741J through a resistor R1, and the positive electrode of the primary operational amplifier AD741J is grounded;
a branch of the first-stage operational amplifier AD741J is provided with a protective resistor R2;
the back circuit of the first-stage operational amplifier AD741J is divided into two branches, one branch is connected to the negative electrode of the second-stage operational amplifier AD741J through a resistor R6 and a resistor R7, and the other branch is grounded through a resistor R3, an adjustable resistor R4 and a resistor R5; wherein, the anode of the second-level operational amplifier AD741J is connected to the adjustable resistor R4;
the post circuit of the second-stage operational amplifier AD741J is connected to the current-expanding transistor 1N41 through a circuit R9;
the cathode of the secondary operational amplifier AD741J is also connected to the current-expanding transistor 1N41 via the elastic variable resistor R8.
The working principle of the spring force transducer is as follows: the elastic variable resistor R8 is mounted on the compression spring A5, when the compression spring A5 is stressed and compressed, the elastic variable resistor R8 is driven to be stressed and compressed, the elastic variable resistor R8 is connected to a feedback loop of the second-stage operational amplifier AD741J, a circuit of the spring load cell is connected with a constant current of 5mA and an output voltage of 0-2V, a positive output is obtained through a reference source of an AD580-2.5V signal and the inversion of the first-stage operational amplifier AD741J, and the positive output is finally output from the current-expanding transistor 1N 41.
Fig. 10 is a schematic circuit diagram of the tilt sensor of the present invention. The tilt sensor is internally provided with a tilt sensor circuit which comprises an adjusting circuit, a temperature compensating circuit, a bridge circuit and a differential amplifier circuit; the adjusting circuit comprises a primary operational amplifier IC1/4 and a secondary operational amplifier IC1/4 which are connected in series front and back, and the output end of the secondary operational amplifier IC1/4 is connected with the temperature compensation circuit; the temperature compensation circuit comprises a primary thermistor 103AT and a secondary thermistor 103AT which are connected in series, the connection point of the primary thermistor 103AT and the secondary thermistor 103AT is connected to a three-stage operational amplifier IC1/4, and the output end of the three-stage operational amplifier IC1/4 is connected to a bridge circuit; the bridge circuit comprises a plurality of resistors forming the bridge circuit, and the output end of the bridge circuit is connected with the differential amplifier circuit; the differential amplifier circuit comprises a four-stage operational amplifier IC1/2 and a five-stage operational amplifier IC1/2, wherein the positive input end of the four-stage operational amplifier IC1/2 is connected with the adjustable resistor R11, and the positive input end of the five-stage operational amplifier IC1/2 is connected with the bridge circuit.
The working principle of the tilt angle sensor is as follows: the tilt angle sensor circuit comprises an adjusting circuit, a temperature compensation circuit, a bridge circuit and a differential amplifier circuit; the tilt sensor circuit has drift, and the drift of the tilt sensor circuit can be reduced to about a few millivolts by compensating the drift by using a Zener diode and a diode connected in parallel with the first-stage operational amplifier IC1/4, and at the moment, the bias voltage of the first-stage operational amplifier-the fifth-stage operational amplifier has no influence, but the voltage difference is below 10 pV/C. The bridge circuit uses a four-terminal network resistor. Since the annual temperature difference across the country is relatively large, the values of P1, P2, Q1, and Q2 in the tilt sensor circuit should be calculated one by a computer based on actual measurement values. The working parameters of the tilt sensor are as follows: the output voltage is +/-0.002V, the power supply voltage is 10-20V, and the ambient temperature is +/-15 ℃.
Fig. 11 is a schematic circuit diagram of a piezomagnetic force sensor according to the present invention. The piezomagnetic force sensor is internally provided with a piezomagnetic force sensor circuit, and the piezomagnetic force sensor circuit comprises a step-down transformer B1, an external pressure transformer B2, a filter F1, a filter F2, a rectifier D and a zero-voltage compensation circuit A; the step-down transformer B1 and the outer voltage transformer B2 are connected in series, and are connected in series with the rectifier D through the filter F1, and the rectifier D is connected in series with the filter F2; a protective resistor R2 is arranged between the external voltage transformer B2 and the filter F1, and front and rear nodes of the protective resistor R2 are respectively connected to the zero voltage compensation circuit A; the input end of the step-down transformer B1 is connected to the input end of the zero voltage compensation circuit A.
The working principle of the piezomagnetic force sensor is as follows: the step-down transformer B1 provides winding excitation voltage for the piezomagnetic electronic element P, the zero voltage compensation circuit A provides compensation for the piezomagnetic electronic element P, and the measured force is converted into an electric signal by utilizing the magnetoelastic effect of the ferromagnetic material.
The operation method of the device with the shock absorption and shock absorption functions special for the central air conditioner comprises the following steps:
step 1:
mounting the tilt angle sensors on the peripheral side surfaces of the bottom of the central air-conditioning box body 1; mounting a spring load cell on a compression spring A5 of the primary damping unit A; mounting a piezomagnetic force sensor on a damping elastic tube B5 of a secondary damping unit B; installing an ultrasonic amplitude measuring instrument on the edge side of the roof; connecting two ports of a hydraulic pump, wherein one port is connected to a damping elastic tube B5, and the other port is connected to a damping liquid tank; respectively arranging two electromagnetic valves at the front end and the rear end of two ports of a hydraulic pump; electrically connecting the MCU processor to the tilt angle sensor, the spring force transducer, the piezomagnetic force transducer, the ultrasonic amplitude measuring instrument, the hydraulic pump and the electromagnetic valve; and finally, an external power supply is connected.
Step 2:
setting working parameters of the inclination angle sensor, the spring force transducer, the piezomagnetic force transducer and the ultrasonic amplitude measuring instrument, wherein the working parameters comprise: setting a maximum inclination angle parameter and a minimum inclination angle parameter of the inclination angle sensor; the maximum stress parameter and the minimum stress parameter of the spring force transducer; the maximum stress parameter and the minimum stress parameter of the piezomagnetic force sensor; maximum amplitude parameter of ultrasonic amplitude measuring instrument.
The inclination angle sensor, the spring force transducer, the piezomagnetic force sensor and the ultrasonic amplitude measuring instrument monitor parameter information of corresponding positions in real time and send the monitored parameter information to the MCU processor in real time, and the MCU processor analyzes the received parameter information in real time and compares the parameter information with preset working parameters respectively; if the parameter information is within the range of the working parameters, the parameter information is normal; if the parameter information is not in the range of the working parameters, the parameter information is abnormal, and alarm reminding is carried out through a display screen and an alarm.
And 3, step 3:
when the parameter information monitored by the tilt angle sensor is abnormal, the fact that the angle of the central air-conditioning box body 1 deviates is indicated, and workers need to be arranged to adjust the height of the corresponding primary damping unit A, so that the angle of the central air-conditioning box body 1 is adjusted;
when the parameter information monitored by the spring force transducer is abnormal, the situation shows that the stress of the primary damping unit A is too small or too large; when the stress is too small, workers need to be arranged in time to check the central air-conditioning box body 1, and whether the internal equipment is stolen or leaks is checked; when the atress is too big, need timely arrangement staff to look over central air conditioning box 1, whether the inspection has other heavy objects to stack on central air conditioning box 1, if do not, then should adjust the preliminary shock attenuation unit A's that corresponds height, guarantee central air conditioning box 1's angle accuracy simultaneously.
When the parameter information monitored by the piezomagnetic force sensor is abnormal, the secondary damping unit B is under too small stress or too large stress; when the stress is too small, the MCU processor controls the electromagnetic valve and the hydraulic pump to be started, the damping fluid of the damping elastic tube B5 is pumped into the damping fluid tank, and when the parameter information is normal, the MCU processor controls the electromagnetic valve and the hydraulic pump to be closed; when the stress is too large, the MCU processor controls the electromagnetic valve and the hydraulic pump to be started, the damping fluid of the damping fluid box is extracted to the damping elastic tube B5, and when the parameter information is normal, the MCU processor controls the electromagnetic valve and the hydraulic pump to be closed.
When the parameter information of ultrasonic wave amplitude measuring apparatu monitoring is unusual, explain that the amplitude of central air conditioning box 1 is too big, at this moment, the staff need be arranged, the preliminary shock attenuation unit A's that the adjustment corresponds height, the preliminary shock attenuation unit A's of increase compression spring A5 is stressed, in addition, MCU treater control solenoid valve and hydraulic pump all start, with in shock attenuation liquid extraction part to the shock attenuation elastic tube B5 of shock attenuation liquid case, increase secondary shock attenuation unit B's stressed, when parameter information is normal after, MCU treater control solenoid valve and hydraulic pump all close.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described above with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the above detailed description of the embodiments of the invention presented in the drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, 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.

Claims (10)

1. The utility model provides a dedicated device that has shock attenuation shockproof function of central air conditioning which characterized in that: comprises a damping component and a damping and shockproof control system;
the damping component comprises a primary damping unit (A), a secondary damping unit (B) and a mounting base (C); wherein the content of the first and second substances,
the primary damping unit (A) comprises a bottom plate (A1), two connecting columns (A2) which are vertically arranged are respectively arranged on the left side and the right side of the bottom plate (A1), a telescopic rod (A3) which is vertically arranged is fixed to the top of each connecting column (A2), a compression spring (A5) is sleeved outside each telescopic rod (A3), and the top of each telescopic rod (A3) is fixed to the bottom of the top plate (A4); the middle part of the top plate (A4) is provided with a connecting rod (A7) which is vertically arranged, the left side and the right side of the connecting rod (A7) are also provided with auxiliary connecting rods (A6) which are arranged in parallel, the bottom parts of the connecting rods (A7) are fixed on a connecting disc (A8), and the bottom parts of the connecting disc (A8) and the auxiliary connecting rods (A6) are fixedly connected to the upper part of the supporting plate (A9); the supporting plate (A9) is used for placing a supporting frame (2) at the bottom of the central air-conditioning box body (1);
the bottom of the primary damping unit (A) is provided with a secondary damping unit (B);
the secondary damping unit (B) comprises a top plate (B1) and a bottom plate (B3), and the top of the top plate (B1) is connected to the bottom of the bottom plate (A1) through a cushion block (B2); a damping elastic pipe (B5) is arranged between the top plate (B1) and the bottom plate (B3); fixed connecting bolts (B4) penetrate through two sides of the top plate (B1) and the bottom plate (B3), and the fixed connecting bolts (B4) are used for clamping the damping elastic tubes (B5) between the top plate (B1) and the bottom plate (B3) to prevent the damping elastic tubes (B5) from falling off;
the bottom of the secondary damping unit (B) is provided with a mounting base (C), and a bottom plate (B3) is directly mounted at the top of the mounting base (C);
the shock absorption and shock prevention control system comprises:
the inclination angle sensor is arranged on the peripheral side surface of the bottom of the central air-conditioning box body (1);
a spring load cell mounted on a compression spring (A5) of the preliminary damping unit (A);
a piezomagnetic force sensor mounted on a damping elastic tube (B5) of a secondary damping unit (B);
an ultrasonic amplitude measuring instrument installed on an edge side of a roof;
the MCU processor is electrically connected with the tilt angle sensor, the spring force transducer, the piezomagnetic force transducer, the ultrasonic amplitude measuring instrument, the hydraulic pump and the electromagnetic valve;
a hydraulic pump including two ports, one port being connected to a damping elastic tube (B5), and the other port being connected to a damping fluid tank;
the two electromagnetic valves are respectively arranged at the front end and the rear end of the two ports of the hydraulic pump;
the damping fluid tank is internally filled with damping fluid and is provided with an opening, the opening is connected to one port of the hydraulic pump through a high-pressure resistant pipe, and the high-pressure resistant pipe is provided with an electromagnetic valve;
and the external power supply provides adaptive working voltage for the tilt angle sensor, the spring force transducer, the piezomagnetic force transducer, the ultrasonic amplitude measuring instrument, the MCU processor, the hydraulic pump and the electromagnetic valve.
2. The device with shock absorption and shock absorption functions dedicated to the central air conditioner according to claim 1, wherein: the shock-absorbing elastic tube (B5) is a hollow tube body with a hollow interior; the hollow pipe body comprises a protective layer (B51) positioned at the outermost layer, the inner side of the protective layer (B51) is a metal mesh layer I (B52), the inner side of the metal mesh layer I (B52) is a connecting layer (B53), the inner side of the connecting layer (B53) is a metal mesh layer II (B54), and the inner side of the metal mesh layer II (B54) is an isolating layer (B55); the hollow cavity in the damping elastic tube (B5) is filled with damping fluid (B56).
3. The device with shock absorption and shock absorption functions dedicated to the central air conditioner according to claim 2, wherein: the protective layer (B51), the connecting layer (B53) and the isolating layer (B55) are made of rubber; the materials of the metal mesh layer I (B52) and the metal mesh layer II (B54) are stainless steel; the shock absorption liquid (B56) is inorganic silicone oil.
4. The device with shock absorption and shock absorption functions dedicated to the central air conditioner according to claim 1, wherein: the installation method of the shock absorption assembly comprises the following steps:
step (1): the mounting base (C) is mounted at the top of the roof, and a layer of insulating rubber pad can be laid between the mounting base (C) and the roof according to the actual situation;
step (2): the bottom plate (B3) of the secondary damping unit (B) is arranged at the top of the mounting base (C), and the bottom plate (B3) and the mounting base (C) can be welded into a whole in order to achieve a better protection effect; the top of the bottom plate (B3) is paved with a lower layer damping elastic pipe and then an upper layer damping elastic pipe, and the upper layer damping elastic pipe and the lower layer damping elastic pipe are vertically distributed and arranged; after the shock-absorbing elastic pipes (B5) are laid, an upper top plate (B1) is placed on the top of the upper layer of shock-absorbing elastic pipes, edges of the top plate (B1) and the bottom plate (B3) are aligned, and finally the top plate (B1) and the bottom plate (B3) are locked and fixed through fixing connecting bolts (B4), so that the top plate (B1) and the bottom plate (B3) clamp the shock-absorbing elastic pipes (B5) and prevent the shock-absorbing elastic pipes from falling off;
and (3): the bottom plate (A1) of the preliminary damping unit (A) which is assembled in advance is arranged on the top of the cushion block (B2), and in order to achieve a better protection effect, the bottom plate (A1) and the cushion block (B2) and the cushion block (B2) can be welded into a whole; the primary damping units (A) are provided with six groups in total, are arranged on the front side and the rear side of the central air-conditioning box body (1), and are arranged on each side in a symmetrical manner; the positions of the six groups of preliminary damping units (A) need to be matched with the position of a support frame (2) at the bottom of the central air-conditioning box body (1);
and (4): the central air-conditioning cabinet body (1) with the support frame (2) at the bottom is integrally placed on the support plates (A9) of the six groups of primary damping units (A), and the support frame (2) and the support plates (A9) can be welded into a whole in order to achieve a better protection effect;
and (5): after the steps (1) and (4) are finished, the central air-conditioning box body (1) is leveled through the shock absorption and shock absorption control system, so that the inclination angle of the central air-conditioning box body (1) meets the requirement.
5. The device with shock absorption and shock absorption functions dedicated to the central air conditioner according to claim 2, wherein: the damping elastic tube (B5) is designed in an upper-layer and a lower-layer mode, and the upper-layer damping elastic tube and the lower-layer damping elastic tube are vertically distributed and arranged.
6. The device with shock absorption and shock absorption functions dedicated to the central air conditioner according to claim 1, wherein: the shock absorption and shock prevention control system is also provided with a display screen and an alarm, and the alarm is a buzzer alarm or a light alarm.
7. The device with shock absorption and shock absorption functions dedicated to the central air conditioner according to claim 6, wherein: a spring force sensor circuit is arranged in the spring force sensor, a signal of AD580-2.5V is set as a reference source in the spring force sensor circuit and is connected to the negative electrode of a primary operational amplifier AD741J through a resistor R1, and the positive electrode of the primary operational amplifier AD741J is grounded;
a branch of the first-stage operational amplifier AD741J is provided with a protective resistor R2;
the back circuit of the first-stage operational amplifier AD741J is divided into two branches, one branch is connected to the negative electrode of the second-stage operational amplifier AD741J through a resistor R6 and a resistor R7, and the other branch is grounded through a resistor R3, an adjustable resistor R4 and a resistor R5; wherein, the anode of the second-level operational amplifier AD741J is connected to the adjustable resistor R4;
the post circuit of the second-stage operational amplifier AD741J is connected to the current-expanding transistor 1N41 through a circuit R9;
the cathode of the secondary operational amplifier AD741J is further connected to the current-spreading transistor 1N41 via the elastic variable resistor R8.
8. The device with shock absorption and shock absorption functions dedicated to the central air conditioner according to claim 6, wherein:
the tilt sensor is internally provided with a tilt sensor circuit which comprises an adjusting circuit, a temperature compensating circuit, a bridge circuit and a differential amplifier circuit; the adjusting circuit comprises a primary operational amplifier IC1/4 and a secondary operational amplifier IC1/4 which are connected in series front and back, and the output end of the secondary operational amplifier IC1/4 is connected with the temperature compensation circuit; the temperature compensation circuit comprises a primary thermistor 103AT and a secondary thermistor 103AT which are connected in series, the connection point of the primary thermistor 103AT and the secondary thermistor 103AT is connected to a three-stage operational amplifier IC1/4, and the output end of the three-stage operational amplifier IC1/4 is connected to a bridge circuit; the bridge circuit comprises a plurality of resistors forming the bridge circuit, and the output end of the bridge circuit is connected with the differential amplifier circuit; the differential amplifier circuit comprises a four-stage operational amplifier IC1/2 and a five-stage operational amplifier IC1/2, wherein the positive input end of the four-stage operational amplifier IC1/2 is connected with the adjustable resistor R11, and the positive input end of the five-stage operational amplifier IC1/2 is connected with the bridge circuit.
9. The device with shock absorption and shock absorption functions dedicated to the central air conditioner according to claim 6, wherein: the piezomagnetic force sensor is internally provided with a piezomagnetic force sensor circuit, and the piezomagnetic force sensor circuit comprises a step-down transformer B1, an external pressure transformer B2, a filter F1, a filter F2, a rectifier D and a zero-voltage compensation circuit A; the step-down transformer B1 and the external pressure transformer B2 are connected in series, and are connected in series with the rectifier D through the filter F1, and the rectifier D is connected in series with the filter F2 again; a protective resistor R2 is arranged between the external voltage transformer B2 and the filter F1, and front and rear nodes of the protective resistor R2 are respectively connected to the zero-voltage compensation circuit A; the input end of the step-down transformer B1 is connected to the input end of the zero voltage compensation circuit A.
10. The device with shock absorption and shock absorption functions dedicated to the central air conditioner according to claim 1, wherein: the operation method of the shock absorption and shock prevention control system comprises the following steps:
step 1:
mounting the inclination angle sensor on the peripheral side surface of the bottom of the central air-conditioning box body (1); mounting a spring load cell on a compression spring (A5) of a primary damping unit (A); mounting a piezomagnetic force sensor on a damping elastic tube (B5) of a secondary damping unit (B); installing an ultrasonic amplitude measuring instrument on the edge side of the roof; connecting two ports of a hydraulic pump, wherein one port is connected to a damping elastic pipe (B5), and the other port is connected to a damping liquid tank; respectively arranging two electromagnetic valves at the front end and the rear end of two ports of a hydraulic pump; the MCU processor is electrically connected with the tilt angle sensor, the spring force transducer, the piezomagnetic force sensor, the ultrasonic amplitude measuring instrument, the hydraulic pump and the electromagnetic valve; finally, an external power supply is connected;
and 2, step:
setting working parameters of the inclination angle sensor, the spring force measuring sensor, the piezomagnetic force sensor and the ultrasonic amplitude measuring instrument, wherein the working parameters comprise: setting a maximum inclination angle parameter and a minimum inclination angle parameter of the inclination angle sensor; the maximum stress parameter and the minimum stress parameter of the spring force transducer; the maximum stress parameter and the minimum stress parameter of the piezomagnetic force sensor; maximum amplitude parameters of the ultrasonic amplitude measuring instrument;
the inclination angle sensor, the spring force transducer, the piezomagnetic force sensor and the ultrasonic amplitude measuring instrument monitor parameter information of corresponding positions in real time and send the monitored parameter information to the MCU processor in real time, and the MCU processor analyzes the received parameter information in real time and compares the parameter information with preset working parameters respectively; if the parameter information is within the range of the working parameters, the parameter information is normal; if the parameter information is not in the range of the working parameters, the parameter information is abnormal, and alarm reminding is carried out through a display screen and an alarm;
and step 3:
when the parameter information monitored by the tilt angle sensor is abnormal, the fact that the angle of the central air-conditioning box body (1) deviates is indicated, and workers need to be arranged to adjust the height of the corresponding primary damping unit (A) so as to adjust the angle of the central air-conditioning box body (1);
when the parameter information monitored by the spring force transducer is abnormal, the situation shows that the stress of the primary damping unit (A) is too small or too large; when the stress is too small, workers need to be arranged to check the central air-conditioning box body (1) in time to check whether internal equipment is stolen or leaks; when the stress is too large, workers need to be arranged timely to check the central air-conditioning box body (1) to check whether other heavy objects are stacked on the central air-conditioning box body (1), if not, the height of the corresponding primary damping unit (A) needs to be adjusted, and meanwhile, the accurate angle of the central air-conditioning box body (1) is guaranteed;
when the parameter information monitored by the piezomagnetic force sensor is abnormal, the secondary damping unit (B) is under-stressed or over-stressed; when the stress is too small, the MCU processor controls the electromagnetic valve and the hydraulic pump to be started, the damping fluid of the damping elastic tube (B5) is extracted into the damping fluid box, and when the parameter information is normal, the MCU processor controls the electromagnetic valve and the hydraulic pump to be closed; when the stress is overlarge, the MCU processor controls the electromagnetic valve and the hydraulic pump to be started, the damping fluid extraction part of the damping fluid box is led into the damping elastic tube (B5), and when the parameter information is normal, the MCU processor controls the electromagnetic valve and the hydraulic pump to be closed;
when the parameter information of ultrasonic wave amplitude measuring apparatu monitoring is unusual, explain that the amplitude of central air conditioning box (1) is too big, at this moment, need arrange the staff, the height of the preliminary shock attenuation unit (A) that the adjustment corresponds, the compression spring (A5) of the preliminary shock attenuation unit (A) of increase receives the pressure, in addition, MCU treater control solenoid valve and hydraulic pump all start, with the shock attenuation liquid extraction part of shock attenuation liquid case to shock attenuation elastic tube (B5), increase the pressure that receives of secondary shock attenuation unit (B), when parameter information is normal after, MCU treater control solenoid valve and hydraulic pump all close.
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