CN201909971U - Comprehensive self-monitoring system for subsystem performance and running state of fork-lift - Google Patents
Comprehensive self-monitoring system for subsystem performance and running state of fork-lift Download PDFInfo
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- CN201909971U CN201909971U CN2010205628917U CN201020562891U CN201909971U CN 201909971 U CN201909971 U CN 201909971U CN 2010205628917 U CN2010205628917 U CN 2010205628917U CN 201020562891 U CN201020562891 U CN 201020562891U CN 201909971 U CN201909971 U CN 201909971U
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- microprocessor
- walking unit
- fork
- lift
- running status
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Abstract
The utility model relates to a comprehensive self-monitoring system for subsystem performance and running state of a fork-lift, in particular to a comprehensive self-monitoring system for walking unit performance and running state of a fork-lift. The system comprises a fork-lift walking unit, a plurality of sensor units, a microprocessor interface circuit receiving signals of the sensor, a microprocessor, a diagnosis module, a keyboard for parameter input, a display for state display, an alarm providing sound and light signals, and a power-off and close-down protection device. The system can detect out the running speed, voltage, current, temperature, vibration, and other information of a motor of the fork-lift walking unit, as well as the running speed, steering, and other information of the fork-lift, and can give out an alarm and conduct power-off and close-down operation when the running exceeds normal limit values. The utility model has the benefits that the operational parameters of the walking unit can be detected in real time, and both the operation detection level and the failure diagnosis level are improved. In addition, the system has simple structure, low cost, and huge market application potential.
Description
Technical field
The utility model belongs to fork truck subsystem performance and running status self-monitoring, relates in particular to the self-comprehensive monitoring of a kind of forklift-walking unit performance and running status.
Background technology
Fork truck is being played the part of very important role in the logistics system of enterprise, be the main force in the material handling equipment.Being widely used in national economy all departments such as station, harbour, airport, factory, warehouse, is the high-efficiency appliance of mechanized handling, stacking and short distance transportation.
Along with improving constantly of production requirement, the fork truck function from strength to strength, the function refinement also highlights day by day, functional unitization, modular characteristics become a notable feature of current advanced fork truck.Wherein, drive the walking module of forklift-walking operation, also be that the forklift-walking unit is the core cell of fork truck system, not only drive the fork truck body, finish startup, acceleration, deceleration, frequently turn to, motion such as braking, and fork truck transports goods in the process, and the operation of bearing a heavy burden also be unable to do without the work of forklift-walking unit.
Forklift-walking unit monitoring running state technology is not only the condition precedent of automatic protection and fault diagnosis; also be to improve forklift workability efficient, alleviate manpower labour intensity, prevent accident, ensure the gordian technique of the person and device security, now become the restriction fork truck hoist goods to large-scale, at a high speed, one of the key factor of automation development.
Mostly the detection of current forklift-walking unit performance and running status is to carry out at individual parameters, generally is travelling speed or temperature information etc., simultaneously a plurality of parameters is detected and to carry out the systematic comparison of analysis-by-synthesis few.The self-monitoring function of current forklift-walking unit is not perfect, is embodied in three aspects:
One can not be monitored fork truck lifting mechanism operational factor in real time, and can not in time fork truck lifting mechanism running status be shown to the driver, can not make timely adjustment operation.
Its two, the protective device of traditional simple coarse reduces greatly in the long-term back reliability of using, in case malfunctioning, the driver can't in time be known.
Its three, fork truck lifting mechanism operational factor monitoring mostly is to carry out separately, can not be to a plurality of operational factors enforcement synchronous monitoring, and a plurality of running state parameters can not carried out overall treatment, as the identification of running status and the foundation of fault diagnosis.
For the forklift-walking unit, can monitor simultaneously a plurality of running state parameters, and can carry out comprehensive analysis processing and fault diagnosis, for improving the fork truck operational efficiency, improve job safety, alleviate the manpower work and play an important role.
Summary of the invention
At above-mentioned forklift-walking monotechnics current situation and growth requirement, the utility model provides a kind of forklift-walking unit performance and running status oneself comprehensive monitor system, the operational parameter detection that solves the existence of traditional forklift-walking unit is not comprehensive, non real-time, non-comprehensive, influence formation efficiency, handling safety, intelligent not high defective.
For achieving the above object; the technical scheme that the utility model is taked is: a kind of forklift-walking unit performance and running status oneself comprehensive monitor system; comprise the forklift-walking unit; a plurality of sensor units; receive the Microprocessor Interface circuit of the sensor signal; microprocessor; diagnostic module; keyboard and display; audible-visual annunciator and outage stoppage protection device; it is characterized in that: a plurality of sensor units are installed on the walking unit; its detection signal send microprocessor through the Microprocessor Interface circuit; diagnostic module is built in described microprocessor, keyboard and display; audible-visual annunciator is connected with microprocessor, and the outage stoppage protection is connected on the main circuit loop of walking unit.
Described walking unit is the core cell of fork truck system, is to drive the fork truck driving wheel by actuating unit, thereby drives forklift-walking, motion such as finish startup, quicken, slow down, brake, turn to.Comprise movable motor, accumulator, controller, gate-controlled switch power circuit, gear train, steering mechanism, driving wheel, controller connects movable motor through the controlled power on-off circuit, described accumulator connects movable motor through the gate-controlled switch power circuit, movable motor connects driving wheel through gear train, and steering mechanism is installed on the driving wheel direction Control Shaft.Movable motor is the driving actuating unit of walking unit, drives the rotation of fork truck wheel, and its energy is provided by accumulator.Controller is responsible for the processing motor motion command, and sends action command, triggers the gate-controlled switch power circuit and opens, turn-offs, and is the movable motor energising, thus the motion of control movable motor.Movable motor transmits motion to driving wheel by gear train, drives the fork truck motion.Steering mechanism is responsible for controlling the divertical motion of fork truck, finishes fork truck break-in campaign.
Described Microprocessor Interface circuit comprises signal condition, input buffering, sampling maintenance, data acquisition, A/D conversion and RS485 interface circuit, the integrated connection interface microcontroller of said structure.Signal condition be with the sensor signal amplify, processing such as filtering, be converted to the discernible standard signal of collecting device, so signal condition connects data acquisition, data acquisition is collected processing signals and is given next link.Sampling keeps, and to be the instantaneous value that will collect remain unchanged during the analog to digital conversion carrying out, for analog to digital conversion, sampling keeps connecting the A/D conversion, A/D conversion is to be digital signal with analog signal conversion, the A/D conversion connects the RS485 interface circuit, the RS485 interface circuit connects microprocessor, gives microprocessor processes with digital signal.
Microprocessor is the control core of whole walking unit, is used to handle the various control commands of fork truck operation, sends action command and gives topworks, drives thereby finish the fork truck operation.
Described a plurality of sensor comprises temperature sensor, photoelectric position sensor and speed pickup.A plurality of sensor units are used to monitor the movable motor running status, comprise signals such as voltage, electric current, rotating speed, temperature, vibration, the current sensor that detects the movable motor electric current is installed on the motor excitation winding, the sensor that detects movable motor voltage is installed on the motor windings two ends, speed probe is installed on the rotor side, adopt the T-M method, detect the sensor of movable motor temperature and the sensor of detection vibration signal and be installed on the motor case; Also be used to detect fork-truck steering mechanism running status, comprise signals such as steering angle, turning velocity, rotary angle transmitter is installed in the fork-truck steering mechanism.
Diagnostic module is to be built in microprocessor, be used to judge whether the movable motor running status is normal, and judge that fork-truck steering is whether in rationally go to action is provided with, diagnostic module has write down movable motor operation normal operating condition data and has turned to normally data have been set, forklift-walking motor and steering mechanism's running status real-time information and aforementioned data compare, as exceed normal status value, diagnostic module can be judged concrete fault content, the fault source provides important evidence thereby get rid of for caution and fault.
Keyboard display, from POF, it is the peripheral hardware of microprocessor.Keyboard is used to import various controlled variable, and display is used to show input parameter, each real-time running state data of fork truck.
Audible-visual annunciator is when the operation of forklift-walking unit exceeds normal condition, sends alarm with sound and light signal.
Described outage stoppage protection device comprises relay and the contactor that cuts off motor main circuit.It is when breaking down state in operation motor rotation or steering mechanism's steering procedure, cuts off the main circuit loop automatically by relay, contactor action, makes the machine stall, the development of blocking-up accident, and avoiding further, harm takes place.
The employing the beneficial effects of the utility model are: can realize the forklift-walking unit is carried out multi-parameter monitoring, and detect in real time, and provide demonstration, make things convenient for the driver in time to adjust and operation; Simultaneously a plurality of parameters in forklift-walking unit are monitored, and can carry out analysis-by-synthesis, fault diagnosis processing, have intelligent advantage; Monitoring fast, intelligence is flexible, maintenance is simple, safe reliability is good, for realizing that fork truck maximization, high speed, robotization have important effect.
Description of drawings
Fig. 1 is that a kind of forklift-walking unit performance and running status oneself comprehensive monitor system constitute synoptic diagram.
Fig. 2 forms synoptic diagram for the walking unit.
Fig. 3 forms synoptic diagram for the Microprocessor Interface circuit.
Wherein, 1, the forklift-walking unit,
2, a plurality of sensor units,
3, Microprocessor Interface circuit,
4, microprocessor,
5, diagnostic module,
6, keyboard and display,
7, audible-visual annunciator,
8, outage stoppage protection device,
101, movable motor,
102, accumulator,
103, controller,
104, gate-controlled switch power circuit,
105, gear train,
106, steering mechanism,
107, driving wheel,
301, signal condition,
302, input buffering,
303, sampling keeps,
304, data acquisition,
305, A/D conversion,
306, RS485 interface circuit
Embodiment
Further the utility model is described below in conjunction with accompanying drawing 1 to accompanying drawing 3.
As shown in Figure 2, forklift-walking unit (1) is made up of movable motor (101), accumulator (102), controller (103), gate-controlled switch power circuit (104), gear train (105), steering mechanism (106), driving wheel (107).
As shown in Figure 3, Microprocessor Interface circuit (3) comprises that signal condition (301), input buffering (302), sampling keep (303), data acquisition (304), A/D to change (305), RS485 interface circuit (306).
A plurality of sensor units (2) comprise electric current, voltage, temperature, rotating speed, the vibration transducer that is used to detect forklift-walking motor (101) running status and detect the steering angle of steering mechanism (106), the sensor of speed.Wherein current sensor is installed on movable motor (101) winding, voltage sensor is installed on movable motor (101) winding two ends, speed probe is installed on movable motor (101) rotor-side, adopts the T-M method to detect, and temperature and vibration transducer are installed on movable motor (101) casing; The sensor that is used to detect driving wheel (107) steering angle, speed is installed on steering mechanism (105), adopts photoelectric method.
A plurality of sensor units (2) are installed on the forklift-walking unit (1), detect each running status of forklift-walking unit (1), a plurality of sensor units (2) are connected with microprocessor (4) by Microprocessor Interface circuit (3), will detect data and send microprocessor (4) to handle; Keyboard and display (6) are equivalent to the peripheral hardware of microprocessor (4) on the function status, be responsible for the parameter input and show input parameter and each real-time running state of fork truck is shown; Diagnostic module (5) is built in microprocessor (4), be used for the real-time Monitoring Data of analyzing and processing, judge whether the movable motor running status is normal, and judge whether fork-truck steering is provided with in the scope in rational action, this module records movable motor operation normal operating condition data and turn to normally data are set, forklift-walking motor and steering mechanism's running status real-time information and aforementioned data compare, as exceed normal status value, diagnostic module can be judged concrete fault content, the fault source provides important evidence thereby get rid of for caution and fault; Audible-visual annunciator (7) is when forklift-walking unit (1) abnormal running state, provides the prompting of sound and visual alarm; Outage stoppage protection device (8) comprises relay and the contactor that cuts off motor main circuit; it is when breaking down state in operation motor rotation or steering mechanism's steering procedure; automatically cut off the main circuit loop by relay, contactor action; make the machine stall; the further generation of harm is avoided in the development of blocking-up accident.
Application of the present utility model, for the modular unit after the refinement of fork truck systemic-function provides further perfect technical support, for fork truck perfect in shape and function, robotization raising, large scale development play an important role, it is embodied in three aspects:
One can be realized the forklift-walking unit is carried out multi-parameter monitoring, and detects in real time, and provides demonstration, has made things convenient for the driver in time to adjust and operation;
Its two, simultaneously a plurality of parameters in forklift-walking unit are monitored, and can carry out analysis-by-synthesis, fault diagnosis and handle, have intelligent advantage;
Its three, monitoring fast, intelligence flexibly, safeguard simple, safe reliability is good, for realizing that fork truck maximization, high speed, robotization have important effect.
Claims (6)
1. the self-comprehensive monitor system of subsystem performance and running status; comprise the forklift-walking unit; a plurality of sensor units; receive the Microprocessor Interface circuit of the sensor signal; microprocessor; diagnostic module; keyboard and display; audible-visual annunciator and outage stoppage protection device; it is characterized in that: a plurality of sensor units are installed on the walking unit, and its detection signal send microprocessor through the Microprocessor Interface circuit, and diagnostic module is built in described microprocessor; keyboard and display; audible-visual annunciator is connected with microprocessor, and the outage stoppage protection is connected on the main circuit loop of walking unit.
2. a kind of subsystem performance according to claim 1 and running status oneself comprehensive monitor system, it is characterized in that: described walking unit comprises movable motor, accumulator, controller, gate-controlled switch power circuit, gear train, steering mechanism, driving wheel, controller connects movable motor through the controlled power on-off circuit, described accumulator connects movable motor through the gate-controlled switch power circuit, movable motor connects driving wheel through gear train, and steering mechanism is installed on the driving wheel direction Control Shaft.
3. a kind of subsystem performance according to claim 1 and running status oneself comprehensive monitor system, it is characterized in that: described Microprocessor Interface circuit comprises signal condition, input buffering, sampling maintenance, data acquisition, A/D conversion and RS485 interface circuit, the integrated connection interface microcontroller of said structure.
4. a kind of subsystem performance according to claim 1 and running status oneself comprehensive monitor system, it is characterized in that: described a plurality of sensors comprise temperature sensor, photoelectric position sensor and speed pickup.
5. a kind of subsystem performance according to claim 1 and running status oneself comprehensive monitor system, it is characterized in that: described diagnostic module is built in microprocessor.
6. a kind of subsystem performance according to claim 1 and running status oneself comprehensive monitor system, it is characterized in that: described outage stoppage protection device comprises relay and the contactor that cuts off motor main circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205628917U CN201909971U (en) | 2010-10-15 | 2010-10-15 | Comprehensive self-monitoring system for subsystem performance and running state of fork-lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205628917U CN201909971U (en) | 2010-10-15 | 2010-10-15 | Comprehensive self-monitoring system for subsystem performance and running state of fork-lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201909971U true CN201909971U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205628917U Expired - Fee Related CN201909971U (en) | 2010-10-15 | 2010-10-15 | Comprehensive self-monitoring system for subsystem performance and running state of fork-lift |
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| CN (1) | CN201909971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9981836B2 (en) | 2015-03-31 | 2018-05-29 | Crown Equipment Corporation | Method for controlling a functional system of a materials handling vehicle |
| CN112249088A (en) * | 2019-07-22 | 2021-01-22 | 中车株洲电力机车研究所有限公司 | Method for mutual diagnosis and data synchronization of double-display system, double-display system and train |
-
2010
- 2010-10-15 CN CN2010205628917U patent/CN201909971U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9981836B2 (en) | 2015-03-31 | 2018-05-29 | Crown Equipment Corporation | Method for controlling a functional system of a materials handling vehicle |
| CN112249088A (en) * | 2019-07-22 | 2021-01-22 | 中车株洲电力机车研究所有限公司 | Method for mutual diagnosis and data synchronization of double-display system, double-display system and train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20111015 |