Half-duplex crane remote control handle based on digital signal processor

Abstract

The utility model provides a half-duplex crane remote control handle based on a digital signal processor, and belongs to the technical field of crane control. A DSP processing unit; a communication unit and a power supply unit. According to the half-duplex crane remote control handle based on the digital signal processor, the DSP serves as a processing unit, instructions can be sent, the real-time state of the controlled crane control unit can be detected through the remote controller, the application range is wide, and economic benefits are good; wireless communication and wired communication are designed on the remote control handle at the same time, the communication mode can be freely selected in the using process, and two wired communication lines are designed for guaranteeing the communication quality.

Description

Technical Field

[0001] The present application belongs to the field of crane control technology, and in particular relates to a half-duplex crane remote control handle based on a digital signal processor. Background Art

[0002] At present, digital signal processors are widely used in many fields such as communications, audio and video, industrial automation, and automotive electronics due to their large-scale integration, good stability, and high precision. The existing crane remote control is a controller with a microcontroller, i.e., a single-chip microcomputer, as the main control chip. This device has strong versatility, but is weak in digital signal processing and generally adopts simplex mode. Summary of the invention

[0003] The purpose of the present application is to provide a half-duplex crane remote control handle based on a digital signal processor to solve the problem of weak digital signal processing capability of a single chip microcomputer in the prior art.

[0004] In order to achieve the above-mentioned object, the present application provides the following technical solution, providing a half-duplex crane remote control handle based on a digital signal processor, the remote control handle comprising:

[0005] The analog and discrete quantity acquisition and output unit is used to input the control signal, and output the control signal after processing it through the Schmidt shaping circuit, the level conversion circuit and the operational amplifier circuit;

[0006] A DSP processing unit, the DSP processing unit is used to process the received signal output by the analog and discrete quantity acquisition and output unit, obtain a crane control signal, and output the crane control signal;

[0007] A communication unit, used for transmitting the crane control signal output by the DSP processing unit to the crane;

[0008] A power supply unit is used to supply power to the analog and discrete quantity acquisition and output unit, the DSP processing unit and the communication unit.

[0009] The half-duplex crane remote control handle based on digital signal processor provided in the present application also has the following characteristics: the communication unit is also used to receive feedback information from the crane and transmit the feedback information to the DSP processing unit. The DSP processing unit processes the feedback information and transmits it to the analog and discrete quantity acquisition output unit for display.

[0010] The digital signal processor-based half-duplex crane remote control handle provided in the present application also has the following characteristics: the analog and discrete quantity acquisition and output unit includes an indicator light for displaying the crane's operating status and fault information, and a button for inputting control commands.

[0011] The digital signal processor-based half-duplex crane remote control handle provided in the present application also has the following feature: the DSP processing unit includes a minimum system circuit.

[0012] The digital signal processor-based half-duplex crane remote control handle provided in the present application also has the following feature: the communication unit includes a wired communication subunit and / or a wireless communication subunit.

[0013] The half-duplex crane remote control handle based on digital signal processor provided in the present application also has the following characteristics: the power supply unit includes two power inputs, which are 15V wired power supply and 3V battery power supply respectively; the power supply unit also includes a filtering sub-circuit.

[0014] Beneficial Effects

[0015] The half-duplex crane remote control handle based on digital signal processor provided in this application adopts DSP as the processing unit, which can not only send instructions, but also detect the real-time status of the controlled crane control unit through the remote control. It has a wide range of applications and good economic benefits. The remote control handle is designed with both wireless and wired communications, and can freely choose which communication method to use during use. In order to ensure the quality of communication, two wired communication lines are designed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 This is a structural block diagram of the remote control handle provided in an embodiment of the present application. DETAILED DESCRIPTION

[0018] The present application is further described in detail below in conjunction with the accompanying drawings and examples, but it should be noted that these implementation methods are not limitations of the present application, and equivalent changes or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these implementation methods are all within the scope of protection of the present application.

[0019] In the description of the embodiments of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the creation of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the creation of the present application.

[0020] In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention of this application, unless otherwise specified, the meaning of "plurality" is two or more.

[0021] The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention of this application can be understood by specific circumstances.

[0022] like Figure 1 As shown, a half-duplex crane remote control handle based on a digital signal processor is provided, and the remote control handle comprises:

[0023] The analog and discrete quantity acquisition and output unit is used to input the control signal, and output the control signal after processing it through the Schmidt shaping circuit, the level conversion circuit and the operational amplifier circuit;

[0024] A DSP processing unit, the DSP processing unit is used to process the received signal output by the analog and discrete quantity acquisition and output unit, obtain a crane control signal, and output the crane control signal;

[0025] A communication unit, used for transmitting the crane control signal output by the DSP processing unit to the crane;

[0026] A power supply unit is used to supply power to the analog and discrete quantity acquisition and output unit, the DSP processing unit and the communication unit.

[0027] In some embodiments, the communication unit is also used to receive feedback information from the crane and transmit the feedback information to the DSP processing unit. The DSP processing unit processes the feedback information and then transmits it to the analog and discrete quantity acquisition output unit for display.

[0028] In some embodiments, the analog and discrete quantity acquisition and output unit includes an indicator light for displaying the working status and fault information of the crane and a button for inputting control commands.

[0029] In some embodiments, the DSP processing unit includes a minimum system circuit.

[0030] In some embodiments, the communication unit includes a wired communication subunit and / or a wireless communication subunit.

[0031] In some embodiments, the power supply unit includes two power inputs, which are a 15V wired power supply and a 3V battery power supply respectively, and the power supply unit also includes a filtering subcircuit.

[0032] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application. The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the present application, and these improvements and variations should also be regarded as the protection scope of the present application.

Claims

1. A half-duplex crane remote control handle based on a digital signal processor, characterized in that: The remote control handle comprises: The analog and discrete quantity acquisition and output unit is used to input the control signal, and output the control signal after processing it through the Schmidt shaping circuit, the level conversion circuit and the operational amplifier circuit; A DSP processing unit, the DSP processing unit is used to process the received signal output by the analog and discrete quantity acquisition and output unit, obtain a crane control signal, and output the crane control signal; A communication unit, used for transmitting the crane control signal output by the DSP processing unit to the crane; A power supply unit is used to supply power to the analog and discrete quantity acquisition and output unit, the DSP processing unit and the communication unit.

2. The half-duplex crane remote control handle based on a digital signal processor according to claim 1, characterized in that: The communication unit is also used to receive feedback information from the crane and transmit the feedback information to the DSP processing unit. The DSP processing unit processes the feedback information and then transmits it to the analog and discrete quantity acquisition output unit for display.

3. The half-duplex crane remote control handle based on a digital signal processor according to claim 1 or 2, characterized in that: The analog and discrete quantity acquisition and output unit comprises an indicator light for displaying the working status and fault information of the crane and a button for inputting control commands.

4. The half-duplex crane remote control handle based on a digital signal processor according to claim 1 or 2, characterized in that: The DSP processing unit includes a minimum system circuit.

5. The half-duplex crane remote control handle based on a digital signal processor according to claim 1 or 2, characterized in that: The communication unit includes a wired communication subunit and / or a wireless communication subunit.

6. The half-duplex crane remote control handle based on a digital signal processor according to claim 1 or 2, characterized in that: The power supply unit includes two power inputs, which are a 15V wired power supply and a 3V battery power supply respectively. The power supply unit also includes a filtering subcircuit.

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