34results about How to "Strong composability" patented technology

The invention discloses a control circuit of a variable frequency air conditioner. The control circuit of the variable frequency air conditioner comprises an outdoor power supply control loop, an outdoor unit power failure detection circuit, an outdoor unit charging control circuit and a temperature collecting circuit. The outdoor power supply control loop is used for controlling an outdoor unit to be powered on or powered off according to an external control signal. The outdoor unit power failure detection circuit is used for detecting whether a power failure of an outdoor unit power supply circuit is caused or not. The outdoor unit charging control circuit is used for charging a filter capacitor of the outdoor unit. The temperature collecting circuit is used for collecting the temperature of a coiler of an outdoor unit heat exchanger, the outdoor environment temperature and the temperature of a coiler of an indoor unit heat exchanger and outputting collected analog signals. The control circuit of the variable frequency air conditioner has the advantages that an outdoor unit power failure can be detected, the outdoor unit can be controlled to be powered on or powered off, the stand-by time is shortened, energy is saved, and the work stability of the air conditioner is improved.

The present invention relates to a imitation wood material made up by using agricultural wastes, and is characterized by that the agricultural wastes, catalytic coagulant composed of magnesium oxide, magnesium chloride aqueous solution, ferrous sulfate, phosphorus acid, urea-formaldehyde resin and water and water are stirred uniformly in stirring machine, extruded and formed, and cured so as to obtain the invented required imitation wood material with good chemical and mechanical properties. Said invented imitation wood material can be used as substitute of most of wood products.

The invention discloses a study instrument of a cam mechanism. A push rod bottom board is arranged on the upper portion of a machine frame. The push rod bottom board is connected with the machine frame through an upper polished rod and a lower polished rod. A third straight gear set and a push rod assembly are arranged on the push rod bottom board. A driving gear of the third straight gear set is driven by a second stepping motor. The push rod assembly penetrates through a driven gear of the third straight gear set through a sleeve. The lower portion of the push rod assembly is provided with a brush component bottom plate. A linear array CCD is connected with a brush bottom plate through a linear array CCD installation board. The linear array CCD corresponds to a white cloth band. An installation rod is perpendicularly arranged on the brush component bottom plate. The brush bottom plate is arranged at the tail end of the installation rod. A sliding block with a clamp is arranged on the brush bottom plate. A brush is clamped on the clamp. The brush is in contact with a second disc or a cylinder. A steering engine on the brush bottom plate is connected with the sliding block through a crank connection rod mechanism. The principle of the cam mechanism can be completely and accurately shown and a good tool is brought for teaching of the cam mechanism.

The invention discloses a brushless DC (direct current) motor air conditioning system control circuit comprising a microcontroller U4, an indoor DC fan motor rotational speed control circuit, an outdoor DC fan rotational motor rotational speed control circuit, an outdoor DC motor fixed rotational speed and adjustable rotational speed switching circuit, an indoor motor speed regulation voltage shutdown circuit, an outdoor motor speed regulation voltage shutdown circuit and a temperature detection circuit, wherein the outdoor DC fan motor rotational speed control circuit comprises a first circuit unit and a second circuit unit; the circuit board of the brushless DC (direct current) motor air conditioning system control circuit consists of an outdoor control panel and an indoor control panel; and the outdoor control panel and the indoor control panel are connected through plug connectors CN2 and CN4. The brushless DC (direct current) motor air conditioning system control circuit can perform speed regulation control on the indoor and outdoor fan motors at random to achieve a good heating effect, and match the outdoor motor fixed rotational speed control and closed loop speed regulation control at random so as to improve the development convenience of products.

The invention relates to the technical field of process control systems, and discloses a self-adaptive construction method and operation method of a control system for decoupling process flows, and abstracts the commonality of process flow control logic as a logic network description. Describe the input of the control logic as a condition: describe the intermediate operation layer of the control logic as a condition set; describe the output of the control logic as an event: the event is used to control the action of the controlled device, and the occurrence of an event is determined by a dependent condition set Drive, match the corresponding condition set for each event as a dependent condition set; according to the logical network description, use the object-oriented programming method to create objects according to the logical network description and establish network connections between objects, so as to build a control system. The invention solves the technical problem that the control program needs to be programmed according to the steps of different technological processes, and the conditions, condition sets and events are highly combinable, and the logic forms that can be realized are rich, without relying on professional programming skills.

The invention puts forward a simulation method for an actual / virtual / constructive-oriented hybrid system, and belongs to the technical field of distributed parallel collaborative simulation. The simulation method comprises a network communicator, an event manager, a time manager, an entity class manager, an entity class interface definer and an entity class logic definer, wherein the network communicator generates entity class agents and provides network communication service; the event manager realizes subscribing and publishing management based on a discrete event; the time manager provides two methods including conservative time advancing and tolerance time advancing; the entity class manager is used for managing an entity class; the entity class interface definer receives the interface description file of a user for each entity class, analyzes the file, generates each entity class, and adds a network agent module, an event management module, a time management module and an entity management module into each entity class to form a simulation prototype system; and the entity class logic definer realizes business logic for the user in the entity class. The method supports the generation of a fine granularity entity class in the actual / virtual / constructive-oriented hybrid system, and each entity class has the characteristics of being high in interoperability, composability and reusability.

The invention discloses a method for controlling the disconnection of an outdoor unit of a frequency conversion air conditioner. After the air conditioner is turned on, a user sets the working mode of the air conditioner. The user judges according to the working mode, and judges and operates according to the working state of the outdoor power supply relay, and then judges whether the communication loss occurs. In the case of communication loss, the working state of the air conditioner and the fan speed are controlled according to the indoor and outdoor temperature parameters, so that the air conditioner can work normally even if the communication between the indoor unit and the outdoor unit is lost. The problem in the prior art that the air conditioner will be shut down once the connection is lost, which will affect the use of the air conditioner, is avoided, and the use satisfaction of the air conditioner is improved. The method for controlling the loss of connection of the outdoor unit of the variable frequency air conditioner of the present invention has the advantages of ensuring that the air conditioner can work normally when the indoor and outdoor communication is lost, and maximally ensuring that the user can use the air conditioner normally when the air conditioner is needed.

The invention relates to a varied combined in-situ pot expanding planting container.The planting container comprises a base plate and flowerpot side walls.The base plate comprises a bottom face and a plurality of connecting walls arranged on the bottom face.The connecting walls are concentrically arranged, clearances are reserved between the adjacent connecting walls, and an external thread is arranged on the outer surface of each connecting wall.The number of the flowerpot side walls is equal to that of the connecting walls.A lower edge internal thread is arranged on the inner side of the lower edge of each flowerpot side wall, and an upper edge external thread is arranged on the outer side of the upper edge of each flowerpot side wall.Different flowerpot side walls are different in dimension, the lower edge internal thread of each flowerpot side wall can be connected with the external thread of the corresponding connecting wall on the base plate and can also be connected with the upper edge external threads of other flowerpot side walls, and the upper edge external thread of each flowerpot side wall can be connected with the lower edge internal threads of other flowerpot side walls.Compared with the prior art, the varied combined in-situ pot expanding planting container has the advantages of being simple in structure, high in operability, capable of being expanded many times, tight in combination, wide in application range and the like.

The invention discloses an out-of-communication control method of an indoor unit of an inverter air conditioner. According to the out-of-communication control method disclosed by the invention, a working mode of the inverter air conditioner is set by a user after the inverter air conditioner is started; judgment can be carried out by the user according to the working mode, judging operation can be carried out according to a working state of an outdoor supply relay, and thus whether an out-of-communication situation happens or not can be judged; the working state of the inverter air conditioner and the rotating speed of a fan can be controlled according to indoor and outdoor temperature parameters under the out-of-communication situation, thus the inverter air conditioner can still work normally under the situation that the indoor unit and an outdoor unit are out of communication, the problem in the prior art that the using of the inverter air conditioner is affected as the inverter air conditioner is shut down once the out-of-communication situation happens is avoided, and the using satisfaction degree of the inverter air conditioner is increased. The out-of-communication control method of the indoor unit of the inverter air conditioner, disclosed by the invention, has the advantages that the normal work of the inverter air conditioner is ensured when the indoor unit and the outdoor unit are out of communication, the inverter air conditioner is furthest enabled to be used by the user when the user is in need of the inverter air conditioner, and the like.

The invention discloses a camera monitoring device comprising a first main control circuit, a first camera, a wireless data transmission circuit, an external interface used for connecting a camera device and a first power circuit. The invention also provides a combined camera monitoring device comprising a camera monitoring sub-device and the camera monitoring device. The camera monitoring deviceprovided by the invention is provided with the external interface used for connecting the camera device of external equipment, so that composability of the camera monitoring device is improved, and the problem of one-to-one application of traditional camera monitoring equipment is solved. In addition, the combined camera monitoring device uses the external interface to achieve combination and connection of the camera monitoring sub-device and the camera monitoring device, and the combined camera monitoring device can be used in a combined manner, and can also work independently, so that maintenance is facilitated, a fault position can be quickly positioned via changing the module, installation is facilitated, and versatility and composability of the camera monitoring device are improved.

The invention discloses an outdoor unit control circuit of a variable frequency air conditioner. The outdoor unit control circuit of the variable frequency air conditioner comprises an outdoor power supply control loop, an outdoor unit power failure detection circuit, an outdoor unit charging control circuit and an outdoor environment and coiler temperature collecting circuit. The outdoor power supply control loop is used for controlling an outdoor unit to be powered on or powered off according to an external control signal. The outdoor unit power failure detection circuit is used for detecting whether a power failure of an outdoor unit power supply circuit is caused or not. The outdoor unit charging control circuit is used for charging a filter capacitor of the outdoor unit. The temperature collecting circuit is used for collecting the temperature of a coiler of an outdoor unit heat exchanger and the temperature of an outdoor environment and outputting collected analog signals. The outdoor unit control circuit of the variable frequency air conditioner has the advantages that an outdoor unit power failure can be detected, the outdoor unit can be controlled to be powered on or powered off, the stand-by time is shortened, energy is saved, and the work stability of the air conditioner is improved.