31results about How to "Continuous power supply" patented technology

The present invention discloses a three-dimensional parking garage, comprising a lifting shaft, a parking garage, a comb mechanism, an elevator and a comb transverse movement device; the parking garage is arranged on opposite sides of the lifting shaft; the elevator drives the comb mechanism to lift and lower; the comb transverse movement device is arranged in each of the parking garages, and can move transversely between the corresponding parking garage and the lifting shaft; the comb transverse movement device comprises a sliding contact mechanism, the sliding contact mechanism comprises at least two slide seats and at least two sliders, the side of the parking garage and the side wall of the lifting shaft corresponding to the horizontal position are respectively provided with the slide seats; at least one slider is slidably matched with one of the slide seats and is in conductive contact. The three-dimensional parking garage of the present invention has a simplified structure, low equipment failure rate, high stability, low production cost, and is conducive to wide application.

The utility model discloses a foldable flexible pasting automobile power generation film used for an air conditioner in an automobile, which relates to the technical field of flexible solar cell application and comprises a flexible perovskite solar cell module and a control module, and the flexible perovskite solar cell module is attached to the automobile and supplies power to the air conditioner in the automobile and the control module. The control module is used for monitoring the real-time temperature in the vehicle and controlling an air conditioner in the vehicle according to the temperature so as to maintain the temperature in the vehicle within a preset range. Power is supplied to the in-car air conditioning system through the car power generation film, it is ensured that the in-car temperature is always kept within the comfort range preset by a driver, and the effect of improving the comfort experience of the driver and driving safety is achieved.

The utility model relates to a mobile monitoring device for a construction site, which comprises a crawler and a monitoring assembly arranged on the crawler, so that the crawler runs to the construction site to monitor the environment quality through the detection assembly. The monitoring assembly comprises an air quality monitor and a noise monitor which are electrically connected with a processor in the crawler. Wherein the noise monitor is arranged at the top of the crawler through a telescopic rod, and noise at different heights is detected through stretching and retracting of the telescopic rod. The device has the advantages that the device can adapt to various complex terrains through the crawler-type vehicle body design, stable running on a construction site is guaranteed, the use performance of the device is improved, meanwhile, the monitoring device is arranged on the device, monitoring work can be conducted along with flexible movement of the crawler, and the working efficiency is improved. And inconvenience caused by frequent mounting and dismounting in a traditional mode is avoided.

The embodiment of the utility model provides a power supply circuit of an automobile electronic device, and the circuit comprises a standby power interface which is electrically connected with a standby power supply; the main power interface is electrically connected with a main power supply; the power utilization end interface is electrically connected with a power utilization end; the charging circuit is electrically connected between the main power supply interface and the standby power supply interface; the output switching circuit is electrically connected with the main power supply interface, the standby power supply interface and the power utilization end interface; when the output switching circuit detects that the main power supply interface is connected with the main power supply, the output switching circuit supplies power to the power utilization end through the main power supply. When it is not detected that the main power supply interface is connected with the main power supply, the standby power supply supplies power to the power utilization end; and the charging circuit is used for charging the standby power supply through the main power supply. According to the technical scheme of the embodiment of the invention, seamless switching can be realized, the equipment reliability is improved, the user perception is reduced, the standby power supply is automatically charged, and the manpower and time cost is reduced.

The utility model discloses a full-automatic water baffle control system for a basement building, belongs to the technical field of automatic water baffle control, and aims to solve the problem that an existing water baffle system cannot work normally when a main power source leaks electricity. According to the system, the standby power supply and the main control module are introduced, so that the water baffle can still be automatically lifted and closed when the main power supply fails, and water is effectively prevented from entering the basement. The system comprises key components such as a water baffle, a driving device, a main control module, a main power supply, a standby power supply and a power supply switching module. The main control module is responsible for receiving signals of the sensor and controlling the driving device, and automatic operation of the water baffle is achieved. And the standby power supply is automatically switched and accessed when the main power supply fails, so that continuous operation of the system is ensured. The reliability and the stability of the basement waterproof system are improved, and the basement waterproof system has wide application prospects.

The invention discloses a flexible bomb holding protection mechanism during rocket bomb or missile transportation. The flexible bomb holding protection mechanism comprises a supporting plate; one end of the connecting rod is connected with the supporting plate, the other end is connected with the dome-shaped shell at the bottom, and a supporting ball is arranged in the middle; the shell is used for guiding the connecting rod and mounting the dome-shaped shell, and an air chamber is formed between the shell and the dome-shaped shell, so that the dome-shaped shell is inflated and deflated, and switching of two steady states of the dome-shaped shell is realized; four dome-shaped shells are arranged at the side ends, and one dome-shaped shell is arranged at the bottom; the dome-shaped shell at the side end and the bottom forms a throat structure and is sealed by the shell; when the air chamber is in an inflated state, the throat structure is in contact with the supporting ball, and axial movement of the connecting rod is supported through elasticity of the dome-shaped shell, so that the bomb holding protection mechanism is in an elastic holding state; when the air chamber is in a negative pressure state, the four dome-shaped shells at the side ends turn over and are separated from the supporting balls, and the dome-shaped shell at the bottom drives the connecting rods to contract, so that the bomb holding protection mechanism is in an open state. Transportation protection is provided, meanwhile, quick opening can be achieved, and launching is not affected.

According to the FCB isolated island operation method for the gas-steam combined cycle generator set, the FCB isolated island operation function of the gas-steam unit can be achieved, the whole process is automatic without manual intervention, and the FCB isolated island operation method has been successfully applied to a first 9HA gas-steam combined cycle one-driving-one unit in China; dynamic tests of 50% rated load FCB isolated island operation and 100% rated load FCB isolated island operation of the unit are successful at a time, and the unit has power grid black-start capability. The successful test of the FCB island operation of the unit provides technical basis and empirical data for the FCB island operation of the same type of units in China in the future. The method is suitable for the fuel gas-steam combined cycle generator set, when a power grid or a line breaks down, the set is instantly and rapidly reduced from a high load to a plant power load for operation, the set keeps the rotating speed of 3000rpm, the system frequency is kept to be 50Hz, and plant power operation can be effectively maintained.

The utility model provides a startup and shutdown driving control circuit and a physiotherapy instrument, which relate to the technical field of electronics and comprise a preset power supply, a charging management chip, a first switch unit, a second switch unit, a key switch, a rechargeable battery and a microcontroller, the preset power supply is respectively connected with a first power supply end of the charging management chip and a control end of the first switch unit, and the control end of the first switch unit is connected with a signal output end of the microcontroller; the second power end of the charging management chip is connected with the rechargeable battery through the power end of the second switch unit, the third power end of the charging management chip is connected with the power pin of the microcontroller, and the control end of the second switch unit is grounded through the power end of the first switch unit. The control end of the second switch unit is connected with one end of the key switch and the first signal input end of the microcontroller. According to the utility model, the problem that the battery can not be charged easily when the power consumption of the rear-end circuit is relatively high in the existing startup and shutdown is solved.

The present invention discloses a power supply system installed on a rotating object, comprising: a power generation device; a power management device for converting the electricity output by the power generation device to adapt to the load requirements, the power generation device comprises a rotor installed and fixed on the rotating object, the rotor comprises at least one induction coil; a stator rotatable relative to the rotor, the stator comprises at least two magnetic poles; the stator comprises a stator housing and a counterweight, the stator housing surrounds the rotor from the circumference of the rotor and is circumferentially closed; the counterweight is fixed to one side of the stator housing, and the angular range of the counterweight in the circumferential direction is less than or equal to 180 degrees. The power supply system installed on a rotating object of the present invention can continuously and reliably supply power to electronic products on the rotating object.

The invention relates to an intelligent power protection control system and method for a lithium battery, electronic equipment and a storage medium, and belongs to the technical field of lithium batteries. The collision sensor is used for sending a collision signal to the gateway controller when thermal runaway or collision of the whole vehicle occurs; the gateway controller is used for sending the collision signal to the lithium battery controller; and the lithium battery controller is used for controlling the MOS switch to be switched on based on the collision signal and controlling the lithium battery to supply power to the whole vehicle. According to the intelligent power protection control system for the lithium battery, after the vehicle is collided, the 12V lithium battery can be controlled to be switched on and switched off according to the real-time state of the vehicle, power supply of the whole vehicle is maintained in the first time, the safety and reliability of the new energy vehicle are improved, and especially when emergency situations such as collision or thermal runaway happen, the safety of the new energy vehicle is improved. Measures can be rapidly taken to protect the safety of passengers, and it is ensured that key systems of the vehicle can continue to operate.

The utility model discloses an intelligent cable marker post, which relates to the technical field of intelligent cables, and comprises a marker post body, a monitoring mechanism and a mounting mechanism, the marker post body is provided with a mounting table, the mounting table is provided with the monitoring mechanism, the surface of the marker post body is provided with an RFID electronic tag, and a warning sign is arranged below the RFID electronic tag. According to the utility model, on the basis of keeping the functions of the original cable marker pile, the monitoring host, the gravity sensor, the GPS positioning chip, the monitoring mechanism, the LED lamp and other components are integrated, the digital technology and the wireless communication technology are applied, and the cable marker pile has the advantages of being simple in structure and convenient to use. The novel intelligent cable marker post has the functions of efficient identification, real-time query, information storage and transmission, remote monitoring and the like, the marker post body is integrated with the photovoltaic solar panel and the lithium battery pack, solar power generation and light storage power supply technologies are adopted, power self-sufficiency is achieved, and all-weather continuous power supply and inspection requirements are met.

The utility model discloses a kind of unmanned aerial vehicle shooting devices for image processing, including substrate, the top of the substrate is provided with round groove, and the notch part of round groove is equipped with rear hemisphere, the front end fixedly connected with front hemisphere of rear hemisphere, the front end of front hemisphere is equipped with cover piece, the surface of cover piece is equipped with camera in central position, the bottom of substrate is fixedly connected with connecting platform.This kind of unmanned aerial vehicle shooting device for image processing, clamping groove block and buckle seat fixed support, arc platform eliminates rotation frustration, ensure smooth rotation, each component is combined by clamping, plug-in and other ways, without complex tool, it is convenient to disassemble maintenance, independent battery mounting seat and wire connection design, ensure that power supply is continuous in rotation process, cover piece and inner cylinder protect camera, avoid external impact damage, servo motor accurately control rotation angle and speed, improve equipment use efficiency.

This invention specifically relates to a distributed power management strategy for a hybrid electric propulsion system for electric aircraft, belonging to the field of aviation electrification. The system consists of a fuel cell, an energy storage battery, and a supercapacitor connected in parallel to a DC bus via a power converter. In this invention, each unit is independently controlled based on local information, eliminating the need for a communication network: the fuel cell adaptively switches between voltage and power modes according to the load power and battery state of charge, avoiding heavy or light load operation; the battery adjusts its steady-state operating point through a virtual resistance droop mechanism, absorbing steady-state power deficits or excess power; the supercapacitor absorbs dynamic power through a virtual capacitance droop mechanism, suppressing load fluctuations. This invention effectively suppresses the negative impacts of heavy / light loads, load fluctuations, and frequent start-stop cycles on fuel cell lifespan and efficiency, reduces hydrogen consumption, and improves overall system reliability.

The invention relates to the technical field of robots, and provides an electrified closed area foreign matter removing robot which comprises a robot body, the bottom of the robot body is provided with a saw cutting assembly, the head of the robot body is provided with a shearing assembly, and the tail of the robot body is provided with a grabbing assembly. A power supply assembly is arranged in the middle of the vehicle body, and the robot is provided with a remote controller in a matched mode. A second remote control receiving module is controlled, a mechanical arm is driven to pick up sundries, a worker controls a first remote control receiving module to start a first drive motor, drive wheels to rotate and drive the sundries to leave a closed area, the device can remove the foreign matters in the closed area under the condition that equipment is not powered off, the forced stop event of the equipment is avoided, and the working efficiency is improved. The power grid reliability is improved; particularly, foreign matters in a main transformer series reactor area are removed without power cut, so that the main transformer can supply power continuously, and loss caused by power supply interruption is avoided.

The application provides a self-powered intelligent forklift weighing system based on vibration energy collection, and relates to the fields of forklift weighing and energy collection.The system is mainly composed of an intelligent forklift weighing device, a vibration energy collection module and an energy storage module.The weighing device is connected with a shaft pin type tension sensor through front and rear hanging plates and a guide connecting assembly, so as to collect the horizontal force at the top of the vertical part of the fork, and realize accurate detection of the weight of goods;the vibration energy collection module is internally provided with a high-energy-density magnet array and an induction coil, the mechanical vibration of the forklift is used to drive the magnet to limit reciprocating motion, the induction voltage is generated by cutting the magnetic induction line, the nonlinear magnetic kinetic energy conversion model is introduced to dynamically tune the resonant frequency, and the energy collection efficiency is improved;the energy storage module is provided with an integrated rectification and voltage stabilization circuit, and relies on an EMCS intelligent control algorithm to adaptively switch three power supply modes of Buck-Boost, straight-through and energy storage priority.The forklift mechanical vibration is converted into electric energy, and the problem of power supply for the sensor of the forklift weighing system is effectively solved.

The utility model provides a solar energy, hydrogen energy and wind energy complementary power supply system, which comprises a solar panel group and a wind turbine, the wind turbine is communicated with a pneumatic generator through an air compressor, and the pneumatic generator is connected with a constant-voltage shunt circuit through a rectifier and respectively supplies power to electrolysis equipment and an energy storage battery. The solar panel group is connected with the constant-voltage shunt circuit and supplies power to the water electrolysis equipment and the energy storage battery respectively, an oxygen outlet of the water electrolysis equipment outputs oxygen, and the energy storage battery stores redundant electric energy; a hydrogen outlet of the water electrolysis equipment is connected with the hydrogen compression tank through the dehumidifier, the air compressor is connected with the pneumatic generator through the air compression tank, and the air compression tank and the hydrogen compression tank are communicated with the fuel cell through the electromagnetic valve so as to provide solid hydrogen and oxygen for the fuel cell. According to the device, solar energy, hydrogen energy and wind energy can be complemented, oxygen supply of the fish pond is guaranteed, and meanwhile enough domestic electricity is provided.

The application provides an LED power supply wiring device, and relates to the technical field of LED power supply, which comprises a wiring box body, the front end of the wiring box body is hingedly provided with a closed revolving door, a threading hole is formed in the left side of the wiring box body, an integrated power supply is fixedly arranged on the right side in the wiring box body, a push button switch is fixedly arranged at the bottom of the integrated power supply, the integrated power supply is electrified when the closed revolving door is closed and the push button switch is pressed, and a control panel is fixedly arranged on the left side in the wiring box body. The wiring structure capable of being quickly assembled is provided, the main wire clamp and the side wire clamp are inserted between the two groups of locking buckles, the force provided by the springs between the two groups of locking buckles and the two groups of I-shaped piles fixes and clamps the main wire clamp and the side wire clamp on the outside of the cylindrical electrode, the integrated power supply and the control panel are connected through the cylindrical electrode and the connecting wire, and the problem that the existing wiring device lacks the wiring structure capable of being quickly assembled is solved.

The utility model provides a kind of offshore wind power support structure digital twinborn visual monitoring device, including support structure monitoring unit, environmental parameter acquisition unit, central data processing unit, adaptive digital twin modeling module, power module, communication module and multifunctional visual display terminal.Support structure monitoring unit is used to monitor the force, vibration and attitude information of support structure in real time, environmental parameter acquisition unit is used to obtain wind speed, wave height, current and water level change data, central data processing unit carries out edge processing and cache to acquisition data, adaptive digital twin modeling module dynamically updates support structure three-dimensional simulation model according to processed data, power module provides independent power supply, communication module realizes remote data transmission, and multifunctional visual display terminal shows structure state in real time.The utility model realizes real-time monitoring and intelligent management to offshore wind power support structure, and improves structure health assessment and remote operation and maintenance level.

The embodiment of the invention relates to the technical field of electrochemical device manufacturing, in particular to an electrochemical device and electric equipment. The electrochemical device comprises a shell, an electrode assembly, a first tab, a pole and insulation paste. The shell comprises a main body and a boss extending from the main body, the boss protrudes out of the main body in the thickness direction of the main body, the main body is provided with a first end face and a second end face which are opposite in the length direction of the main body, the boss is provided with a first wall face and a second wall face which are opposite, and the first end face is flush with the first wall face in the thickness direction of the main body. The main body is further provided with a first surface and a second surface which are opposite, the first surface is connected with the second wall surface, the first surface is used for installing a battery of the mobile phone, the boss is provided with a third surface far away from the main body, and the vertical distance H1 from the third surface to the first surface is larger than or equal to 1.1 mm and smaller than or equal to 1.5 mm. Through the structure, the height difference exists between the first surface and the third surface and is used for installing a battery of a mobile phone, and the space utilization rate is improved.

The invention discloses a low-power-consumption wireless industrial camera system, and belongs to the technical field of cameras, and the system comprises an image collection module which is used for collecting an image to obtain an image frame; the compression coding module is used for splitting the collected data into blocks and then carrying out lightweight lossless compression processing on the split data to obtain compressed data blocks; the communication module is used for wirelessly transmitting the compressed data blocks; the micro energy collection and management module is used for collecting and capturing mechanical vibration energy in an industrial environment and converting the mechanical vibration energy into electric energy, and the low-power-consumption wireless industrial camera system continuously operates under energy balance constraint; according to the invention, all the modules are uniformly and cooperatively controlled by a low-delay scheduling mechanism, and the optimal bandwidth utilization rate and the minimum inter-frame delay of image data on a transmission link are ensured by optimizing a data compression rate, a wireless modulation mode, a coding time window and a data packet routing strategy.

The utility model discloses an electric tool lithium battery adapter which comprises an adapter body, a switching circuit arranged in the adapter body, a battery output interface detachably installed on the top of the adapter body, battery input grooves detachably formed in the left end face, the right end face and the lower end face of the adapter body respectively, and the battery input grooves are electrically connected with a battery body in a plugging mode. The battery input slot comprises an MT interface, a DW interface, a BS interface and an MWQ interface. Different battery input grooves and battery output interfaces can be selected for the adapter main body according to user requirements, the adapter main body can be compatible with most electric tool batteries in the market, when the battery capacity needs to be expanded, only the electric tool batteries connected into the battery input grooves need to be added, and the battery capacity can be expanded in a circulating charging mode. The battery output interface is ensured to have continuous power supply, compatible use of different brands of batteries and tools is realized, and the use range and the use time of the batteries can be expanded.

The invention discloses a power generation device based on rotational power generation and a cadence calculation method. The power generation device is installed on a rotating accessory, and includes a coil, a guide rail frame, a calculation module and at least one magnet; the output end of the coil is electrically connected to the calculation module, the calculation module is connected to a low-power accessory, the coil is installed on the outer side of the guide rail frame, and the magnet is arranged in the cavity of the guide rail frame; when the accessory rotates, the coil and the guide rail frame rotate with the accessory, the magnet moves relative to the coil under its own gravity, cuts the magnetic flux lines to generate alternating current, and the alternating current is output to the calculation module through the coil; the calculation module rectifies the alternating current into direct current and outputs it for power supply, and also performs waveform extraction and analog-to-digital conversion on the alternating current, and calculates the magnitude of the cadence according to the digital signal obtained by the conversion. No backup battery is required, and no battery replacement is required, which saves the cost of the battery and reduces environmental pollution; the calculated cadence value is more accurate.

The present application relates to the technical field of self-driven measurement-while-drilling tool, and particularly relates to a self-driven along-drill-string measurement system based on a friction nanogenerator. The technical scheme comprises a friction nanogenerator, an energy management unit, a low-power wireless communication relay node and a ground control terminal. The friction nanogenerator is used to collect the vibration energy of the drill pipe and convert it into electric energy. The friction nanogenerator adopts a sliding independent layer structure and comprises a rotor and a stator. The present application realizes distributed self-driving by deploying the friction nanogenerator at each communication node and utilizing the downhole vibration energy. The energy converted by the friction nanogenerator at the drill bit is enough to emit stronger communication signals, ensuring sufficient energy supply, rapid response of communication content and efficiency, developing information transmission technology with continuous power supply and low-power operation in the process of measurement-while-drilling, and realizing bidirectional communication of information, which has remarkable engineering value for difficult-to-exploit oil and gas resources.

The invention provides a self-generating pressure vessel three-dimensional thermal expansion monitoring and early warning device and method. The device comprises a three-dimensional displacement detection device, a thermoelectric power generation device and a cloud platform. The three-dimensional displacement detection equipment comprises a bottom plate, and four vertical rods, a horizontal displacement monitoring mechanism and a vertical displacement monitoring mechanism which are arranged above the bottom plate; the thermoelectric power generation device comprises a cooling fin, a hot end conduction sheet, a plurality of thermoelectric power generation sheets and an energy storage assembly. The cloud platform comprises an expansion amount calculation module, an early warning module, a visual interface and a block chain. The method comprises the following steps: recording wavelength change in a grating sensor by using a multi-channel optical fiber demodulator; and the thermal expansion amount is calculated, pre-warned and visualized according to the wavelength change. According to the invention, the problem of power supply can be solved through self power generation, three-dimensional all-around real-time monitoring and early warning of the measured pressure vessel can be realized, reliable data can be provided, the state of equipment can be accurately reflected, and safe operation and efficient management of the equipment can be ensured.

The utility model discloses a mortise lock assembly which comprises one or more batteries arranged in the mortise lock assembly, and the batteries can be rechargeable or non-rechargeable and can be fixed in the mortise lock assembly or detached from the mortise lock assembly. The utility model provides various configurations for integrating one or more batteries in the mortise lock assembly. These configurations take into account various situations, ensuring availability and security.

The invention discloses a protection circuit of a low-temperature starting nickel-chromium battery. The protection circuit of the low-temperature starting nickel-chromium battery comprises a nickel-chromium battery, a first button switch, an external charging port, a current-limiting resistor, a diode, a DC bus, a first relay normally-closed contact, a relay normally-open contact, a BMS working power supply inlet, an energy storage capacitor, a temperature control switch, a relay, a heating plate, a lithium iron phosphate battery and a DC converter. A second button switch and a second relay normally-closed point; the low-temperature starting device has the advantages of simple structure and capability of realizing quick and stable starting in a low-temperature environment.

The utility model belongs to the technical field of cladding device, concretely relates to a kind of turnover material bucket heating and heat preservation device for coating machine.The utility model includes material bucket, rotatable arrangement;Electric heating cylinder, it is wrapped in material bucket outside, to carry out heating to the material in material bucket;Heat preservation layer, it is wrapped in electric heating cylinder and material bucket outside;Electric slip ring assembly, sleeve installation is in material bucket bottom, to power supply for electric heating cylinder.The utility model carries out heating and heat preservation to the material in material bucket by setting electric heating cylinder and heat preservation layer, can quickly reach the temperature required by cladding reaction, make cladding more thoroughly, can effectively improve cladding efficiency and cladding quality, power supply for electric heating cylinder by electric slip ring assembly, adapt material bucket rotation, conductive stable and reliable, can continue power supply, by turnover subassembly drive material bucket overturn, realize 0 ° position feeding, 90 ° position operation, 180 ° position discharge, prevent material concretion, realize to the efficient, uniform, accurate cladding of electrolyte.

This application provides a high-voltage DC power supply assembly, relating to the field of electronic technology, comprising: a reverse connection and backflow prevention module for connecting the power supply circuit when on and blocking backflow current from the energy storage module to the input terminal of the power supply assembly when off, and being in a off state when the input terminal of the power supply assembly is reverse connected; an energy storage module for providing energy to downstream loads when the power supply assembly is powered off; a reverse current detection module for real-time monitoring of whether there is reverse current flowing from the energy storage module to the positive bus, and generating a detection signal characterizing the reverse current state; and a control module for outputting a control signal to turn off the reverse connection and backflow prevention modules within a preset time when current backflow is detected based on the detection signal. Implementing the technical solution of this application achieves the effect of improving system reliability.

The utility model relates to the technical field of direct-current power supply cabinets, and discloses an insulating moisture-proof intelligent direct-current power supply cabinet which comprises a power supply cabinet body and an insulating moisture-proof mechanism installed on the front side of the power supply cabinet body, the power supply cabinet body comprises a cabinet body, and the bottom of an inner cavity of the cabinet body is fixedly connected with a bottom plate. The right side of the top of the bottom plate is fixedly connected with a control module. According to the insulating moisture-proof intelligent direct-current power supply cabinet, the covering plate is attached to the inner side of the sealing strip, the covering plate drives the through groove and the transverse groove to sleeve the surface of the positioning column, then the limiting plate drives the threaded column to rotate, the threaded column is in threaded connection with the threaded connection groove, and the limiting plate moves towards the inner side; according to the direct-current power supply cabinet, the problem that when an existing direct-current power supply cabinet is used, moisture always exists in the air, so that the moisture easily enters the direct-current power supply cabinet, and then devices in the direct-current power supply cabinet are damaged can be solved.