41results about How to "To achieve the corrective effect" patented technology

The invention relates to a dynamic correction circuit for the current source of a current-steering digital-to-analog convertor. The current source comprises multiple groups of current source modules, each current source module comprises a first MOS (metal oxide semiconductor) tube unit and a second MOS tube unit which are connected in series; the first MOS tube unit comprises a plurality of first MOS tubes connected in parallel, and the source electrodes and drain electrodes of the first MOS tubes are respectively connected to form the source electrode and drain electrode of the first MOS tube unit; the source electrode of the first MOS tube unit is connected with an external power supply; and the correction circuit is composed of a feedback control module as well as a correction MOS tube subunit, a capacitor and a switch which are arranged in each group of current source modules. The dynamic correction circuit is used for dynamically correcting the current source to stabilize the current source basically so as to obtain a digital-to-analog convertor with better properties.

The invention discloses an online automatic rounding device for a steel skeleton plastic composite pipe. The online automatic rounding device for the steel skeleton plastic composite pipe is divided into two parts: a detecting mechanism and a calibration mechanism. The detecting mechanism and the calibration mechanism are sequentially fixed at the exit of a tractor. The detecting mechanism is composed of a first frame and eight laser range finders, and the calibration mechanism is composed of a second frame and eight pressure rolls. When working, the ellipticity of the pipe at the exit of thetractor in the continuous production process is detected firstly. When the ellipticity of the pipe exceeds the standard value, a signal is fed back to the calibration mechanism, and then the calibration mechanism corrects the ellipticity of the pipe. By means of the online automatic rounding device for the steel skeleton plastic composite pipe, the elliptic problem of the steel skeleton plastic composite pipe during the production process is solved, and the online automatic rounding is achieved. The online automatic rounding device for the steel skeleton plastic composite pipe is suitable forthe technical field of steel skeleton plastic composite pipe production.

The invention relates to a deviation correction system for a folder gluer, which includes an outer wall panel, a transmission device, and a transmission device. It is characterized in that a deviation correction device is installed above the transmission device. There is a deviation correcting baffle parallel to the moving direction of the conveying device and more than one deviation correcting pressing wheel; through this technical scheme, the rolling direction of the deviation correcting pressing wheel forms a deflection angle with the conveyor belt, thereby generating the force of the paper moving closer to the deviation correcting baffle, Until the edge of the paper is parallel to the deviation correction baffle, so as to achieve the deviation correction effect, improve the qualified rate of the carton, and reduce the loss caused by product scrapping.

The invention discloses a circuit board locating device of an LED chip mounter and a mounting method thereof. The circuit board locating device of the LED chip mounter comprises at least two groups of panel components, and each group of panel components is correspondingly connected with a group head; each group head is connected with a transverse drive motor for controlling the transverse move thereof; each two group heads are connected with a horizontal drive motor for controlling the horizontal space between the group heads. Because the circuit board locating device of the LED chip mounter uses the horizontal drive motor, transverse drive motor and at least two groups of group heads, the horizontal drive motor can regulate the space between two adjacent groups of group heads so as to enable the circuit board locating device to adapt to different distances of elements, and the circuit board locating device is capable of regulating the distance between two group heads to be corresponding to different distances between materials to perform chip mounting for the circuit board. The transverse drive motor is capable of transversely moving the group head to correct materials, for example, when materials on the panel are placed in a crooked state (one is located at the front while the other is located at the back), the materials can be corrected through the fine adjustment of the transverse drive motor.

The invention relates to a zero-pollution conveying system of a spray coater. The zero-pollution conveying system of the spray coater comprises a spray coating chamber and a conveying group. The conveying group sequentially penetrates through a feed end, an inner cavity and a discharge end of the spray coating chamber, and comprises a front conveying mechanism, a middle conveying mechanism and a rear conveying mechanism; the front conveying mechanism is exposed on the feed end of the spray coating chamber; the middle conveying mechanism is arranged in an inner cavity of the spray coating chamber; the rear conveying chamber is exposed on the discharge end of the spray coating chamber; conveying surfaces of the front conveying mechanism, the middle conveying mechanism and the rear conveyingmechanism are on the same plane at least during work; the front conveying mechanism and / or the rear conveying mechanism are hinged with the spray coating chamber; a conveyor belt cleaning mechanism for cleaning the middle conveying mechanism is arranged under the middle conveying mechanism, and is integrally and slidably arranged on the spray coating chamber; and the conveyor belt cleaning mechanism is exposed on the feed end or the discharge end of the spray coating chamber when sliding to a certain position. The zero-pollution conveying system of the spray coater provided by the invention can be used for cleaning a conveyor belt and recovering a coating in time, and is convenient to maintain daily, reliable in performance and cost-saving.

The invention discloses a real-time feedback grouting method for correcting horizontal deformation of a subway tunnel. The real-time feedback grouting method comprises the steps that (1) a cement-soilmixing wall made of improved materials is arranged on one side in the opposite direction of a sleeve valve pipe-tunnel; (2) sleeve valve pipes are pre-embedded in the adjacent side of a deformed tunnel; (3) a real-time monitoring device is installed on the tunnel section, and tunnel deformation is fed back in real time in the grouting process; and (4) grouting construction is carried out, grouting parameters are adjusted in real time based on measured data. According to the real-time feedback grouting method for correcting the horizontal deformation of the subway tunnel, the deformation of the target tunnel is monitored and fed back in real time, the grouting construction parameters can be adjusted in real time, and the purpose of accurately correcting the deformation of the tunnel is achieved by cooperatively using novel double-liquid slurry with added sodium silicate. Meanwhile, a one-sided slag-fly ash cement-soil mixing wall is adopted to control the direction of slurry action, and a grouting deformation control effect is fed back to the greatest extent.

The invention discloses a photoelectric sensor transportation device suitable for uneven road sections and a using method, and belongs to the technical field of photoelectric sensors. The photoelectric sensor transportation device comprises a vertical plate, a transverse plate is fixedly connected to the top of the vertical plate, a gear motor is connected to the top of the transverse plate, and ascrew rod is arranged on the gear motor; a mounting hole is longitudinally formed at the top of the transverse plate in a penetrating manner, a first bearing matched with the screw rod is fixedly connected to an inner cavity of the mounting hole, the periphery of the screw rod is sleeved with a plurality of sets of first threaded sleeves, and a transportation bottom plate is arranged at the bottom of the vertical plate; and the photoelectric sensor transportation device can conduct damping and buffering treatment on jolt generated in the transportation process, so that it is guaranteed that aphotoelectric sensor is not damaged by jolt vibration in the transportation process, the service life of the photoelectric sensor is prolonged, meanwhile, the photoelectric sensor transportation device can conduct clamping and fixing treatment on the photoelectric sensor in the transportation process, and the photoelectric sensor is prevented from sliding in the transportation process and being collided and damaged, so that the photoelectric sensor is protected.

The invention discloses an intelligent monitoring terminal, a wearing information acquisition system, and an intelligent monitoring method of a shell-shaped dental appliance; the invention comprises a control module, an identification module, a timing module and a communication module, and the identification module is used for identifying whether the shell-shaped dental appliance is placed in a container space, and send the identification information to the control module; the control module sends the first trigger signal and / or the second trigger signal to the timing module according to the identification information; the timing module is used for according to the first trigger signal and / or the second trigger signal The signal counts the single wearing time or single placing time of the shell-shaped dental appliance; the communication module communicates with the receiving end, and sends the single wearing time and / or single placing time of the shell-shaped dental appliance to the receiving end . The intelligent monitoring terminal provided by the present invention has the functions of monitoring, communication and reminding, and can publish the single wearing time and single placing time to the receiving end, reminding the patient to wear the shell-shaped dental appliance according to the prescribed wearing time.

The invention provides a one-dimensional barcode decoding method based on bar vacancy unit amplification, which is characterized by comprising the steps of positioning the barcode center of a barcode image and determining an inclination angle of a barcode according to existing technologies, and determining a barcode center scanning line according to the inclination angle of the barcode and the barcode center; calculating bar vacancy unit boundary points on the barcode center scanning line, acquiring a width flow, decoding the width flow, and returning decoding information if the width flow is successfully decoded; if the width flow is decoded unsuccessfully and the barcode is horizontal or vertical, returning a decoding failure, if not, getting into a procedure of correcting and amplifying a bar vacancy unit of the barcode, and decoding a new width flow again. The one-dimensional barcode decoding method not only can meet decoding requirements of ordinary barcodes, but also can meet decoding requirements of inclined barcodes with certain decoding difficulty. Meanwhile, when the boundary points on the barcode scanning line are not accurately extracted, the one-dimensional barcode decoding method can achieve a certain correction effect, so that the decoding rate is improved.

The invention relates to an in-situ laser gas analyzer with an on-line deviation correction device. The in-situ laser gas analyzer comprises a transmitting unit, a receiving unit, a transmitting unit connecting piece, a receiving unit connecting piece and a purging unit; the receiving unit comprises the automatic deviation correction device; the purging unit is provided with a shell with a rainproof function, and a voltage stabilizing and flow controlling device is arranged in the shell; the automatic deviation correction device comprises a receiving installation seat, a lens device, a synchronous motor, a sensor module and a reference gas chamber, the synchronous motor achieves automatic switching of the reference gas chamber in an optical path through software controlling, second harmonic gas can be detected by the laser gas analyzer when the reference gas chamber is sealed, and then the deviation effect is achieved. The laser gas analyzer is simple in structure and high in reliability, and the condition that on a user site, the second harmonic gas is found, and standard gas is introduced is avoided.

The invention discloses a circuit board locating device of an LED chip mounter and a mounting method thereof. The circuit board locating device of the LED chip mounter comprises at least two groups of panel components, and each group of panel components is correspondingly connected with a group head; each group head is connected with a transverse drive motor for controlling the transverse move thereof; each two group heads are connected with a horizontal drive motor for controlling the horizontal space between the group heads. Because the circuit board locating device of the LED chip mounter uses the horizontal drive motor, transverse drive motor and at least two groups of group heads, the horizontal drive motor can regulate the space between two adjacent groups of group heads so as to enable the circuit board locating device to adapt to different distances of elements, and the circuit board locating device is capable of regulating the distance between two group heads to be corresponding to different distances between materials to perform chip mounting for the circuit board. The transverse drive motor is capable of transversely moving the group head to correct materials, for example, when materials on the panel are placed in a crooked state (one is located at the front while the other is located at the back), the materials can be corrected through the fine adjustment of the transverse drive motor.

The invention discloses a control method and device for intelligent household equipment. Wherein, the method includes: reading preset device control rules; collecting user operation behavior data and environmental parameters of smart household devices; Match to obtain the matching result; according to the matching result, obtain the user control scheme corresponding to the equipment control rules; input the user control scheme and current environmental parameters and / or current operating behavior data into the neural network control model to generate equipment control rules The correction value of the control rule; according to the correction value of the control rule, the equipment control rule is modified. The invention solves the problem in the prior art that it is impossible to modify the control rules of each smart home device in the smart home system, resulting in the problem that the smart home system cannot be controlled according to the actual needs of users.