74results about How to "To achieve the purpose of automatic adjustment" patented technology

The present invention relates to a linkage production method and a device for rubber hose extrusion. The device includes a soft core guiding device, a front traction machine, a cold feed extruder, a power counter, a temperature control system, a diameter gauge, a printer, a cooling water device, a rear traction machine, a separant coating machine, a double-shaft winding machine, a main console and a tension adjusting device. The extruder is provided with multiple groups of cylinder heaters, temperature detectors and pressure sensors. A control system of the extruder is composed of a frequency converter, a PLC, a hose length detection rotary encoder and a hose wall thickness tester; and the control system of the extruder has the following functions: manual and automatic conversion; selection, identification and input of set reference value; automatic tracking and adjustment on traction speed according to thickness deviation of the hose wall; display and set of the wall thickness of the hose; display of the current and speed of the traction machine; protection, alarm and self fault diagnosis mechanical and electrical components for overcurrent, overvoltage, traction claw slip, broken chain traction and broken shaft traction. The technical scheme disclosed by the invention has the characteristics of high automation degree and convenience for operation and use, etc.

The invention discloses a quantitative filling machine of a viscous material. The quantitative filling machine comprises a rack, a revolving seat, a revolving platform and a material cylinder, wherein the circumferential face of the material cylinder is provided with a filling valve; a track which is arranged slantwise is constituted by an upper ring and a lower ring; a piston is controlled to alternately suck the material into a material cavity or press the material in the material out and fill in a bottle by using the track; meanwhile, a sensor is cooperatively used for controlling work of a driving mechanism, so that an ascending passage is opened or closed by a swing rod, thereby communicating a feed port and the material cavity by a feeding passage or communicating a filling port and the material cavity by a filling passage, effectively controlling output of the material and preventing a mistaken filling phenomenon; and thus, inlet and outlet of the material of all filling valves can be simultaneously and effectively controlled by using a piston control device and a switching control device, the quantitative filling machine has a simple structure and is convenient to operate, mount, debug and maintain, the degree of automation of the machine is greatly improved, and the filling efficiency of the material is effectively increased.

The invention provides a STB (set top box), a home gateway, a system for realizing the automatic interaction between the STB (set top box) and the home gateway and a method thereof. The method comprises the following steps that: the STB (set top box) sends a subscription message to the home gateway by way of a UPnP protocol message; the home gateway receives and resolves the subscription message, combines a subscription response incident according to the resolved subscription message, then sends the subscription response incident to the STB (set top box) by way of the UPnP protocol message; and after receiving the message, the STB (set top box) triggers corresponding operation according to the subscription response incident message. The invention can realize the flexible cooperation of the home gateway and the STB (set top box), can achieve the aim of automatic diagnosis and automatic service adjustment, and effectively enhance the user experience.

The invention discloses a voice volume automatic adjustment method based on energy statistics. The voice volume automatic adjustment method based on the energy statistics includes the following steps: (1) counting the energy average value energy of the sample point of each point and the maximum peak value peak of the absolute values of the energy values of all the sample points in the frame; (2) calculating the average value energy_avg of the energy average value energy of the sample point of each frame from 0 to frame_index and the average value peak_avg of the maximum peak value peak; (3) calculating the amplification factor factor_max' and the reduction factor factor_min' in the next time quantum time; (4) judging the voice data of each frame in the next time quantum time, and amplifying or reducing through the reduction factor when amplification and reduction are needed; and (5) outputting the processed voice data frame and ending. The voice volume automatic adjustment method based on the energy statistics can predict the amplification factor and the reduction factor needed in the next time quantum by utilization of the similarity and the continuity of the voice data according to the voice data statistic information of the previous period, and meets the requirement of the practicability while reduces the complexity of the algorithm.

The invention discloses a method for automatically regulating the temperature of a flame path of a coke oven in heating and combusting procedures on the basis of performance evaluation. The method includes acquiring historical temperature and running data of the flame path and building a multi-attribute performance evaluation model on the basis of information entropy; acquiring current temperature and running data of the flame path; judging a current performance level of a control system by the aid of the multi-attribute performance evaluation model on the basis of the information entropy; building a multi-objective optimization model according to the current performance of the control system; solving the multi-objective optimization model by the aid of a genetic algorithm; regulating parameters of a controller in the control system; automatically regulating the temperature of the flame path. The method has the advantages that the parameters of the controller in a production field can be automatically regulated by the method, so that the purpose of automatically regulating the temperature of the flame path can be achieved, the automation degree of coking production can be effectively upgraded, and an economic benefit of coking production can be effectively increased; running conditions of the control system can be accurately evaluated in coking production procedures by the aid of the online performance evaluation model on the basis of the information entropy, and accordingly a basis can be provided for optimizing the parameters of the controller.

In the invention, at least two rotary paddle shafts perpendicular to the main shaft is set on the propeller hub fixed on the main shaft. The paddle is mounted on the paddle shaft one by one. A slide-sleeve is disposed on the main shaft. The connecting heads are disposed beside of the paddle shafts on the paddles and on the slide-sleeve. Between the connecting heads are connected by the connecting-rods. The hydraulic cylinders with the same numbers as the paddles are mounted on the main shaft. The plunger of the hydraulic cylinder is connected on the slide-sleeve. The pressure liquid-storage tank is disposed in the paddle. The pressure liquid-storage tank is connected with the hydraulic cylinder via the pipeline.

The invention relates to the technical field of atomic emission spectroscopy, and in particular relates to a laser defocusing amount automatic adjusting device on the micrometer scale and an adjustingmethod thereof. The device comprises a laser pen. A beam shaping system and a beam splitter are arranged on a central axis of the laser pen which emits a laser beam. The angle between the beam splitter and the laser beam of the laser pen is 45 degree. The upper and lower sides of the beam splitter are provided with a microscopic imaging optical system for observing the surface topography of the sample and detecting the laser spot of the sample surface. A three-dimensional stage for carrying a sample is disposed under the microscopic imaging optical system, and the microscopic imaging opticalsystem and the three-dimensional stage are electrically connected to a control host. The microscopic imaging optical system comprises a CCD camera and a microscope objective located on the upper and lower sides of the beam splitter. According to the laser defocusing amount automatic adjusting device on micrometer scale and adjusting method thereof, the CCD camera can be used to acquire and judge images in real time, and the laser defocusing amount is corrected in real time, which has great significance for ensuring the consistency of the plasma morphology on the sample.

The invention discloses a multifunctional office chair with a sitting posture automatic adjusting function, which comprises a seat plate, a chair backrest, a support rod, an upper and lower adjusting mechanism, a support base, an upper and lower adjustment drive mechanism, a sitting posture adjusting bracket, a sitting posture adjustment drive mechanism, a storage unit, a controller, a timing circuit, a weight detecting unit and a parameter setting unit, wherein the upper and lower adjustment drive mechanism is used for driving the upper and lower adjusting mechanism; the sitting posture adjusting bracket is used for carrying out corresponding adjustment on sitting postures of sitting people by adjusting an inclined angle and the inclined direction of the seat plate; the sitting posture adjustment drive mechanism is used for driving the sitting posture adjusting bracket; the storage unit is used for internally storing various standard sitting posture adjusting data; the controller is used for controlling the upper and lower adjustment drive mechanism and the sitting posture adjustment drive mechanism; and the weight detecting unit is used for carrying out real-time detection on the load capacity on the seat plate. The multifunctional office chair with the sitting posture automatic adjusting function has the advantages of reasonable design, simplicity and convenience for operation and good use effect and can overcome the defects of necessity of manual adjustment, easy negligence, inconvenience for adjustment, difficult control and personal preference decision on adjusting states, poor use effect, and the like existing in the traditional office chair.

The invention discloses a sponge type road paving structure for a garden and a construction method of the sponge type road paving structure, and relates to the technical field of garden roads. The sponge type road paving structure for the garden comprises a water permeable brick layer, a water permeable cushion layer, a leveling layer, a fixed grid layer, a base layer and a cushion layer which aresequentially arranged from top to bottom. Water collecting holes are formed in the leveling layer, and fiber clusters are arranged in the water collecting holes; a water collecting pipe is arranged on the fixed grid layer, and a water collecting tank is arranged on the base layer; the water collecting pipe is in communication connection with the water collecting tank, and a filter screen is obliquely and fixedly arranged in the water collecting tank; the water collecting tank is connected with a recovery pipe, and the recovery pipe is connected with a recovery tank; the recovery tank is connected with a ground spray head, and an unloading hole is formed in a side of the water collecting tank; the base layer is provided with an underground urban drainage pipeline, and the underground urbandrainage pipeline is connected with the unloading hole through an unloading pipe; an unloading flashboard assembly is arranged on the water collecting tank; and a structural layer of the road of thegarden is modified, and has functions of improving water permeability, water drainage and recycling of the road of the garden.

A motor rotating speed computing method includes: computing motor rotating speed V1 within each sampling period T, and subjecting the V1 to moving average filtering by the length of K to obtain V2; counting and cumulatively summing the computed V1, and when a counted value i is equal to N, enabling a cumulatively summed value sum of the V1 to be divided by N so as to obtain V3, clearing the i and the sum and repeating the step; and subjecting the V3 to moving average filtering by the length of K so that outputted motor rotating speed V4 is obtained, wherein the N is a positive integer and is updated in real time according to a difference value of the V4 and the V2, an initial value of the N is Nmax, and an initial value of the V4 is zero. By the motor rotating speed computing method, the N is updated in real time according to the difference value of the V4 and the V2, so that automatic adjustment according to motor rotating speed changes is achieved, and further, the computed motor rotating speed can be more accurate and higher in stability and respond to rapid output.

The invention discloses an intelligent window opener and a control method thereof. The intelligent window opener includes a window frame, a weather monitoring device, a driving device and a control device. The window frame is provided with a plurality of window ribs arranged at intervals. The window edge is rotatably connected to the window frame, each window edge is provided with a window blade, the weather monitoring device is arranged on the outside of the window frame, the driving device is drivingly connected to the window edge, the weather monitoring device, The driving device is respectively electrically connected with the control device. The intelligent window opener control method includes the following steps: the weather monitoring device collects weather data outside the window frame and sends it to the control device; the control device instructs the drive device to run according to the received weather data; the drive device drives the window blades to rotate to the required angle. The above intelligent window opener and its control method can adjust the opening and closing state of the window according to the weather conditions, so that the window blades are at a suitable angle, so as to achieve the purpose of automatic adjustment.

The invention relates to a coal mine semicircular arched roadway tunneling blast hole positioner and belongs to the field of mining equipment. The coal mine semicircular arched roadway tunneling blast hole positioner is provided with a plurality of lamp heads which are distributed in a ring-shaped array and a rectangular array. The underground working irradiation requirements are completely met, and safety and the reliability are realized; the ring-shaped array laser head is controlled by a connecting rod mechanism and an end head operation panel; the rectangular array laser head is controlled by a small-sized two-dimensional steering engine in a programmable manner, so that the precise unified operation of the lamp heads is realized; a linear laser light source working system is delicately applied, the devices of the steering engine, the step motor and the like are used for precisely controlling the rotary angle of the laser lamp head under the control of the controller, so that the underground blast hole distributing position precision is improved, the positioning work is simple, the positions of the loading blast holes are precisely guided and determined, the time consumption is short, the working efficiency is high, the labor intensity is small and the blasting effects are improved.

The invention provides a computer moving bracket; the computer moving bracket includes a mounting base plate, and at least two bearing universal wheels, at least two wheel drive components and at least one U directional drive component which are arranged at the bottom of the mounting base plate; the wheel drive component includes a wheel bearing pedestal, wherein, one end of a drive shaft is fixed on the wheel bearing pedestal, while the other end thereof passes through a wheel and is connected with a horizontal driving motor; a first controller is connected with the horizontal driving motor to control the movement thereof; the U directional drive component includes a screw bearing pedestal, wherein, one end of a U directional drive screw is arranged on the screw bearing pedestal, the other end thereof passes through a U directional motor cabinet and is connected with a U directional motor, the U directional drive screw is meshed with a U directional transmission nut by a screw thread, and the U directional transmission nut is connected with a pin roll at the short bar end of a connecting bar, while the long bar end thereof is fixedly connected with a top plate by a connecting bar base; and a second controller is connected with the U directional motor to control the movement thereof. A computer moving platform is driven by each drive component to move so as to adjust the relative position between the computer and users.

The invention discloses a multifunctional headset. The multifunctional headset comprises a head beam, mounting grooves are formed in the head beam, adjusting devices are arranged in the mounting grooves, connecting plates are arranged at the two ends of the head beam, ball grooves are formed in the bottoms of the connecting plates, ball heads are sleeved in the ball grooves and are connected to earphone shells through connecting rods, the bottoms of the earphone shells are electrically connected to main wires, wire grooves are formed in the outer walls of the earphone shells, storage grooves are formed in one ends of the wire grooves, earplugs are clamped in the storage grooves and are electrically connected to branch wires, and the branch wires are connected in the wire grooves in a clamped mode and are electrically connected to the main wires. According to the multifunctional headset, the head beam is worn on a head, earphone pads are pressed onto ears by the elastic force of the head beam, the adjusting devices are automatically attached to the two sides of the top of the head, so that the headset is fixed on the head, the earphone shells play the sound through the main wires, the head beam is taken down from the top of the head and is hung on a neck, the earphone shells are rotated, so that the earphone shells are perpendicular to the connecting plates, are attached to shoulders and cannot make contact with a chin, so that discomfort is avoided, and meanwhile, the earplugs are pulled out from the storage grooves and are inserted into ear holes, so that the use of the headset is not affected while helices are relaxed.

The invention discloses a vehicle-mounted HUD projection automatic adjustment method; wherein the method comprises the following steps: collecting the identity information of a driver through an identity recognition system disposed on a vehicle when the vehicle is detected to be started; querying driver archiving information matched with the driver identity information in a pre-stored database, wherein the driver archiving information at least comprises sight focus position data; sending sight focus position data in the current driver archiving information to the vehicle-mounted HUD accordingto a received sending instruction; reading the sight focus position data by means of the vehicle-mounted HUD, and automatically synchronizing the projection coordinates of the vehicle-mounted HUD intothe sight focus position data. According to the invention, the problem that the projection coordinates of the existing vehicle-mounted HUD can only be adjusted by manually controlling the vehicle-mounted HUD can be solved.

The invention provides a computer movable bracket, comprising an installation soleplate (1), at least two bearing universal wheels (3) which are arranged at the bottom of the installation soleplate (1) and at least two groups of wheel driving components (2); the wheel driving component (2) comprises a wheel (201) which is sleeved on a driving shaft (203); one end of the driving shaft (203) is connected with a drive motor (204) which is connected with a controller which controls the drive motor (204) to drive the driving shaft (203) to rotate; the driving shaft (203) drives the wheel (201) to rotate so as to carry out the translation motion. The computer movable bracket uses the controller to control the motion of the wheel driving component (2), can continuously work according to the given mode, needs no manpower intervention; the controller controls the steering and rotation speed of the drive motor (204) and can realize various translation motions of the computer movable brackets by the changes thereof.

The invention discloses a cooling water temperature control device comprising a radiator body. The radiator body comprises a water inlet pipe and a water outlet pipe which are arranged at the top endof the radiator body; piston cylinders are arranged on the side faces of the water inlet pipe and the water outlet pipe; an evaporation movement assembly is arranged at the top end of the radiator body and located between the water inlet pipe and the water outlet pipe; a water flow adjusting assembly is arranged at the top of the evaporation movement assembly; a pressure relief assembly is arranged on the peripheral side of the evaporation movement assembly; and an L-shaped air inlet rod is arranged on the peripheral side of the evaporation movement assembly and located under the pressure relief assembly. According to the cooling water temperature control device, the evaporation movement assembly is arranged, water vapor formed due to high temperature in the radiator flows into an evaporation chamber, air pressure in the evaporation chamber pushes a movable rod to move, and the movable rod drives the water flow adjusting assembly to move to adjust the passing amount of cooling water, so that the purpose of automatic adjustment is achieved, labor is greatly saved, and the cooling water temperature control precision is also improved; and the production quality is improved.

The invention discloses an extrusion compound device and technology for a high-peeling-strength glue-free composite material. A base material unreeling device, a polarization treatment device, a compound device body, a reeling device, a co-extrusion extruder and a carrier wave energy guiding device are included. The base material unreeling device, the polarization treatment device, the compound device body and the reeling device are sequentially arranged in the base material conveying direction. The co-extrusion extruder is arranged above the compound device body. A compound area is formed inthe compound device body. An activation area is formed between a die head of the co-extrusion extruder and the compound device body and located above the compound area, and the carrier wave energy guiding device is arranged in the activation area. A base material is subjected to surface polarization treatment through the polarization treatment device, an extruded extrusion film is subjected to activation treatment through the carrier wave energy guiding device, and then the base material and the extrusion film are compounded in the compound device body and finally conveyed to the reeling device to be reeled. Through the extrusion compound device and technology, the high-peeling-strength composite film not containing glue can be prepared, environment friendliness is achieved, toxicity is avoided, and a large number of high-peeling-strength composite films not containing glue can be applied to the food and medicine packaging industry.

The invention provides a computer moving bracket; the computer moving bracket includes a mounting base plate, and at least two bearing universal wheels, at least two wheel drive components and at least one U directional drive component which are arranged at the bottom of the mounting base plate; the wheel drive component includes a wheel bearing pedestal, wherein, one end of a drive shaft is fixed on the wheel bearing pedestal, while the other end thereof passes through a wheel and is connected with a horizontal driving motor; a first controller is connected with the horizontal driving motor to control the movement thereof; the U directional drive component includes a screw bearing pedestal, wherein, one end of a U directional drive screw is arranged on the screw bearing pedestal, the other end thereof passes through a U directional motor cabinet and is connected with a U directional motor, the U directional drive screw is meshed with a U directional transmission nut by a screw thread, and the U directional transmission nut is connected with a pin roll at the short bar end of a connecting bar, while the long bar end thereof is fixedly connected with a top plate by a connecting barbase; and a second controller is connected with the U directional motor to control the movement thereof. A computer moving platform is driven by each drive component to move so as to adjust the relative position between the computer and users.

The invention provides an intelligent self-adaptive adjusting breathing machine. The machine comprises a supporting base, moving wheels, a supporting stand column, a breathing pressure measurable maskassembly, a breathing pipeline constraint frame assembly, an automatic control panel assembly, a humidifying bottle adjusting cover assembly, an adjusting sliding rail, a supporting plate, a humidifier, a sliding block plate, a first air guide pipe, a second air guide pipe, an air-oxygen mixer, an air source connecting pipe, a touch operation screen and a power switch. The machine moves under theaction of the moving wheels, and brake pads on the moving wheels are fixed to guarantee the operation stability; the machine is simple in structure and convenient to use; a humidification monitoringsensor and an air pressure sensor are arranged, so that the mouth and nose breathing air pressure and humidity are monitored and are displayed on the touch operation screen after being processed by acentral processing unit; the working states of the air-oxygen mixer, the humidifier and an electromagnetic valve are controlled according to different illness conditions after illness, so that the purpose of intelligent control is achieved; and the automatic adjustment effect is achieved through further work.

The invention discloses a rolling brush adjustment structure. A dustbin is arranged behind the rolling brush. The rolling brush is installed in the rolling brush box. The bristles of the rolling brush protrude from a plurality of through holes on the rolling brush box and touch the ground. , the front of the roller brush is provided with a fixed seat, one side of the roller brush is provided with a lifting device, the two ends of the fixed shaft of the connecting plate are provided with a tensioning wheel device, the two ends of the roller brush box are provided with pulleys, and the tensioning wheel device and The transmission connection between the pulleys, and the rubber pull rod are used to control the fine adjustment of the roller brush box. One end of the rolling brush is provided with a driven wheel, one side of the fixed seat is fixed with a motor, and the output shaft of the motor is provided with a driving wheel, which is connected by a belt transmission between the driving wheel and the driven wheel. The present invention is simple in structure and easy to use.

The invention provides a vehicle-mounted air conditioning control method, device, system and a storage medium. The method comprises the following steps: determining a current state of an audio detector. If the audio detector is in a signal input state, acquiring position information of the audio detector in the vehicle; determining an air conditioning area to be adjusted according to the positioninformation of the audio detector in the vehicle; switching the air conditioning in the air conditioning area to be adjusted from a current mode to a preset mode. Thus, the purpose of automatic regulation of the vehicle-mounted air conditioner in different regions is realized, and the user does not need to adjust the vehicle-mounted air conditioner manually, so as to improve the voice quality, enhance the user experience, and contribute to driving safety.

The invention relates to the technical field of PE pipe production, in particular to a clearance adjusting device and method of a mouth mold and a core mold. The device comprises a mouth mold adjusting fixed seat, the mouth mold, a mouth mold press plate and adjusting screws. One side of the mouth mold adjusting fixed seat is fixedly connected to an extruder head body, and the other side of the mouth mold adjusting fixed seat is detachably connected with the circular mouth mold press plate. The mouth mold is connected in the circular mouth mold press plate in a sleeved manner. The mouth mold adjusting fixed seat is evenly provided with multiple screw through holes in the circumferential direction, the number of the screw through holes is an even number, and the adjusting screws are in threaded connection in the screw through holes. Each adjusting screw is connected and driven by a stepping motor through a reducer. The stepping motors are connected with an online ultrasonic measurementsystem. The online ultrasonic measurement system comprises a scanning box, a DSP and a human-computer interface which are connected in sequence. According to the clearance adjusting device and method,the clearance of the mouth mold and the core mold can be automatically adjusted online, the adjusting efficiency is high, the manual cost is saved, and pipe waste is reduced.

The invention discloses an LED lamp capable of automatically adjusting the angle, and relates to the technical field of lighting equipment. The LED illuminating lamp comprises a lamp holder and an LEDilluminating lamp body, the lamp holder is fixedly connected with a first driving device, the lower surface of the lamp holder is fixedly connected with a shell, the driving device is fixedly connected with a lead screw, the lead screw extends into the shell, and the lead screw is in threaded connection with a threaded sleeve; a plurality of second driving devices are fixedly connected to the peripheral side of the lower surface of the lamp holder, a rotating disc is connected to the second driving devices, a connecting block is fixedly connected to the lower surface of the rotating disc, a lamp post is connected to the LED illuminating lamp, and the lamp post is hinged to the connecting block; a rotatable connecting ring is connected to the surface of the lamp post, and a telescopic rodis hinged between the connecting ring and the threaded sleeve. The infrared probe senses a target and transmits a signal to the controller, the controller controls the first driving device and the second driving device to be started, and therefore the function of automatically adjusting the LED illuminating lamp is achieved.

The invention provides a printing head spacing adjustment device comprising a sliding base and an ink box frame. The sliding base is provided with a top edge, a bottom edge and a first attaching surface. The ink box frame comprises a containing groove, an attaching wall, a clamping set, a variable-radius cam, a driving gear set and an elastic assembly. The clamping set is arranged between the sliding base and the ink box frame and selectively clamps the sliding base and the ink box frame to limit movement of the ink box frame relative to the sliding base. The elastic assembly is arranged at the bottom edges of the ink box frame and the sliding base in a connected mode. The variable-radius cam is arranged on a second attaching surface and provided with a peripheral edge to abut against thetop edge of the sliding base. The driving gear set is arranged on an adjustment and control surface, and the driving gear set and the variable-radius cam are coaxially connected and can rotate synchronously, wherein the driving gear set drives the variable-radius cam to rotate to adjust the height of the ink box frame relative to the sliding base.

The invention discloses a method for automatically regulating the temperature of a flame path of a coke oven in heating and combusting procedures on the basis of performance evaluation. The method includes acquiring historical temperature and running data of the flame path and building a multi-attribute performance evaluation model on the basis of information entropy; acquiring current temperature and running data of the flame path; judging a current performance level of a control system by the aid of the multi-attribute performance evaluation model on the basis of the information entropy; building a multi-objective optimization model according to the current performance of the control system; solving the multi-objective optimization model by the aid of a genetic algorithm; regulating parameters of a controller in the control system; automatically regulating the temperature of the flame path. The method has the advantages that the parameters of the controller in a production field can be automatically regulated by the method, so that the purpose of automatically regulating the temperature of the flame path can be achieved, the automation degree of coking production can be effectively upgraded, and an economic benefit of coking production can be effectively increased; running conditions of the control system can be accurately evaluated in coking production procedures by the aid of the online performance evaluation model on the basis of the information entropy, and accordingly a basis can be provided for optimizing the parameters of the controller.

The invention discloses a method and device for adjusting the display brightness of an air conditioner. The method comprises that when a first adjustment signal is received, whether the air conditioner stores a preset brightness value corresponding to the first adjustment signal is determined; if YES, ambient information of an area of the air conditioner is obtained; and the display brightness ofthe air conditioner is adjusted according to the preset brightness value corresponding to the ambient information. The preset brightness value is obtained by self-learning according to a brightness value input by a user. The technical problem that the display brightness of the air conditioner cannot be adjusted in the prior art is solved.

The invention discloses a submersible liquid delivery pump with inside-cavity pressure of a motor automatically adjustable. The submersible liquid delivery pump comprises a motor, a motor shell is provided with through holes, dilation sacs are arranged at the through holes outside the motor shell, and cavities inside the dilation sacs are communicated with the inner cavity of the motor shell through the through holes. During operating, when temperature and pressure inside the motor shell are increased, pressure can be released automatically through the through holes, so that the cavities inside the dilation sacs are enlarged; on the contrary, the cavities inside the dilation sacs are shrunk. Accordingly, automatic adjustment is realized, inside and outside balance of the motor shell is kept, so that the motor shell is protected from damage by pressure, leakage caused by pressure damage is avoided, and service life is prolonged.

The invention discloses a smart storage environment monitoring and adjusting system comprising: a main controller; a warehouse monitoring platform connected to the main controller and storing information related to the goods in a warehouse and related to a warehouse environment; a temperature and humidity monitoring module connected to the warehouse monitoring platform and used for monitoring thetemperature and humidity in the warehouse, and adjusting the temperature and humidity in the warehouse to a set range in real time; a monitoring device connected to the main controller and including afirst track disposed on the top of the inner side of the warehouse, a second track disposed on the top of the inner side of the warehouse, and an arc transition track disposed between the first trackand the second track; and a plurality of camera devices each including a fixing frame and a camera rotatably connected to the fixing frame. The smart storage environment monitoring and adjusting system can view the conditions of the goods in the warehouse within 360 degrees by the all-round movable camera group, and monitors and adjusts the temperature and humidity in the warehouse in real time so as to facilitate the intelligent operation of the warehouse.