Summary of the invention
The utility model provides a kind of hydraulic support electromagnetic valve driver, can increase the systemic-function of hydraulic support electromagnetic valve driver, reduces the degree of dependence to controller.
The hydraulic support electromagnetic valve driver of the utility model comprises microprocessor, electromagnetic priority valve driver module, and the external equipment detection module that is connected with said microprocessor is used for external equipment is carried out input.
Wherein, Said external equipment comprises sensor; Said hydraulic support electromagnetic valve driver also comprises sensor interface, and said external equipment detection module comprises the sensor detection module, and said sensor detection module is connected with said sensor through said sensor interface.
In addition; Said external equipment comprises electromagnetic priority valve; Said hydraulic support electromagnetic valve driver also comprises driver interface; Said external equipment detection module comprises valve events feedback signal detection module, and said driver interface is connected said electromagnetic priority valve with said valve events feedback signal detection module.
Further, can also comprise: the control unit interface that is connected with microprocessor; Be connected the RS485 communication module between said control unit interface and the said microprocessor; Be used for the detected value of hydraulic support electromagnetic valve driver self institute connection sensor, the detected value of valve events feedback signal and the warning information of self prior-warning device are sent to said peripheral control unit, will send to said microprocessor from electromagnetic priority valve action directive, the external equipment warning information of said peripheral control unit; And the prior-warning device that is connected with said microprocessor, be used for communicating with said microprocessor, send early warning signal or carry out the acousto-optic early warning.
Wherein, said prior-warning device can comprise the buzzer driver module and be installed in the buzzer on the housing seal cavity front panel.
Said prior-warning device can comprise the indicator lamp driver module and be installed in the indicator lamp on the housing seal cavity front panel.
In addition, said prior-warning device can also comprise the emergency stop switch detection module and be installed in the emergency stop switch on the housing seal cavity front panel.
Preferably, said external equipment detection module is positioned on the PCB electron plate, and said PCB electron plate and Interface Terminal are installed in the embedding cavity.
Preferably, the integrated hermetically sealed assembly of said buzzer and indicator lamp assembly, indicator lamp and buzzer are loaded in the assembly mounting box, and assembly is through the casting glue sealing.
The utility model is owing to increased the external equipment detection module; Can detect the status signal of multiple external equipment; Thereby make that microprocessor carries out exercises control to support and attitude is monitored in real time, and can at the scene in emergency circumstances carry out urgency and stop operation and send warning information; Therefore increased the function of system, reduced dependence controller.
The specific embodiment
Embodiment 1: the hydraulic support electromagnetic valve driver of the utility model, increased the external equipment detection module that is connected with microprocessor on the basis of existing technology, and external equipment is carried out input.External equipment can be the plurality of devices that needs detection, the corresponding corresponding external equipment detection module of each external equipment.
Embodiment 2, and as an embodiment, the hydraulic support electromagnetic valve driver is set up sensor interface; The external equipment detection module can comprise the sensor detection module, is connected with external sensor through sensor interface, can design the sensor detection module of respective type as required; For example gather the voltage-type analog signals; Also can gather the current mode analog signals,, increase the compatibility of system equipment so that improve the Selection of Sensor scope.
Owing to the utlity model has sensor interface, can independently accomplish the acquisition process of multiple sensor signal.Under the more situation of number of sensors, can be used as the expansion of controller sensor interface at the scene; And at the scene under the less situation of number of sensors, can reduce being connected the sensor cable on the electrohydraulic controller through the independent collection of accomplishing this inner sensor of this product, make things convenient for system to install.
Embodiment 3, and traditional electromagnetic valve driver fails pilot valve action feedback signal is detected, and can't locate the pilot valve fault; As an embodiment; The external equipment detection module can also comprise valve events feedback signal detection module; Electromagnetic valve driver also comprises driver interface; Said electromagnetic priority valve is connected with valve events feedback signal detection module, can the action implementation status of the electromagnetic priority valve that connected be detected, and can locate the electromagnetic priority valve fault according to feedback signal.
Embodiment 4: also increased prior-warning device in the present embodiment; This prior-warning device is connected with microprocessor, and present embodiment will be alarmed or with the alarm signal notice peripheral control unit of self emergency stop switch from the alarm information noticing prior-warning device that self emergency stop switch or peripheral control unit receive through microprocessor.
As an embodiment, prior-warning device can have multiple early warning mode, can send early warning signal or carry out the acousto-optic early warning.For example prior-warning device comprises the buzzer driver module and is installed in the buzzer on the housing seal cavity front panel.After the alarm signal that receives microprocessor, buzzer gives the alarm.In addition, prior-warning device can also comprise the indicator lamp driver module and be installed in the indicator lamp on the housing seal cavity front panel.After the alarm signal that receives microprocessor, the indicator lamp alarm.Perhaps, prior-warning device can also comprise the emergency stop switch detection module and be installed in the emergency stop switch on the housing seal cavity front panel.When emergency appearred in the scene, the user can the manual closing emergency stop switch.The external equipment detection module is positioned on the PCB electron plate in embedding chamber.As an embodiment, the integrated hermetically sealed assembly of buzzer and indicator lamp assembly, indicator lamp and buzzer are loaded in the assembly mounting box, and assembly is through the casting glue sealing.When microprocessor receives the ALM information of sending from peripheral control unit through the RS485 communication module, present embodiment will notify prior-warning device to alarm through microprocessor; At the scene in emergency circumstances, through pressing the emergency stop switch of self prior-warning device, prior-warning device can be notified self microprocessor of solenoid-driven with alarm signal, and can alarm signal be sent to peripheral control unit through the RS485 communication module.
Embodiment 5: present embodiment is the preferred embodiment of comprehensive above-mentioned each embodiment, and its structure connection layout is as shown in Figure 2.The RS485 communication module links to each other with microprocessor module; Link to each other with external controller through control unit interface simultaneously; Thereby for the information transmit-receive between microprocessor module and external controller provides data channel, and when communication between microprocessor module and external controller is connected interruption the indicator lamp maintenance Chang Liang of buzzer and indicator lamp assembly.The RS485 communication module sends to said peripheral control unit with the detected value of hydraulic support electromagnetic valve driver self institute connection sensor, the detected value of valve events feedback signal and the warning information of self prior-warning device, will send to said microprocessor from the electromagnetic priority valve action directive of said peripheral control unit, the warning information of external equipment.
When emergency appearred in the scene, operating personnel can press the emergency stop switch on the prior-warning device, and electromagnetic priority valve Drive Module power supply will be cut off, and promptly stopped self place support everything; And the emergency stop switch actuating signal is input microprocessor behind the emergency stop switch detection module; And buzzer and indicator lamp assembly get into early warning, and buzzer is, indicator lamp flicker; Microprocessor sends to external controller through the RS485 communication module with this control command simultaneously, and external controller can be realized promptly stopping of full face support according to this.
On-the-spot each sensor installed of work plane; Through sensor interface 3 inputs; Carry out input microprocessor behind the corresponding signal condition through the sensor detection module; The sensor of little processing 3 detects data and is uploaded to external controller via RS485 communication module and control unit interface, and external controller sensor acquisition data according to this carries out the real-time monitoring of support attitude, and the basis is provided for the automation control of support.
Outside 12VDC power supply links to each other with power module through the control unit interface input.Power module is imported the power supply that power supply converts each suitable module or interface (comprising: buzzer and indicator lamp assembly, emergency stop switch, microprocessor module, electromagnetic priority valve driver module, valve events feedback signal detection module, sensor detection module, sensor detection module, RS485 communication module, buzzer and indicator lamp driver module, emergency stop switch detection module valve driving interface, sensor interface) work into the outside.
The exercises function command of external controller is through the control unit interface input; Via input microprocessor behind the RS485 communication module; Microprocessor is the ON/OFF on each road of commands for controlling electromagnetic priority valve driver module according to this; The switching signal on each road of electromagnetic priority valve driver module inputs to electromagnetic priority valve after the valve driving interface, thereby realizes hydraulic support is carried out exercises control.
The action feedback signal of external electromagnetic priority valve is imported through the valve driving interface; Through valve events feedback signal detection module; The valve events of microprocessor detects data and is uploaded to external controller via RS485 communication module and control unit interface, and external controller can move the whether consistent pilot valve fault of locating through judging control command and actual valve.
In the present embodiment; Early warning buzzer and indicator lamp assembly and emergency stop switch are installed in this product shell annular seal space, through connecting line respectively with this product shell embedding chamber in buzzer and indicator lamp driver module on the PCB electron plate be connected with the emergency stop switch detection module.Above-mentioned power module and RS485 communication module are positioned on the PCB electron plate in product embedding chamber, the control unit interface through connecting line and this product and being connected.Electromagnetic priority valve driver module and valve events feedback signal detection module are positioned on the PCB electron plate in product embedding chamber, are connected with the valve driving interface of this product through connecting line.The sensor detection module is positioned on the PCB electron plate in product embedding chamber, is connected with the sensor interface of this product through connecting line.Microprocessor module, power module are positioned on the PCB electron plate in product embedding chamber, go up all the other interlock circuit modules through PCB internal signal cabling with PCB and are connected.Power module is accomplished 12V to 5VDC power supply output conversion by a slice CS51414, accomplishes 5V to 3.3V power supply output conversion by a slice AS1117; Simultaneously; This mould also adopts a slice MAX6392; It possesses a plurality of power supplys and detects input port and a plurality of delivery outlet that resets; Many each working powers are monitored, and core microprocessors working power and electromagnetic priority valve driver module power supply are resetted in order, to avoid system's electromagnetic priority valve driver module output abnormality when the power or power-down.
The prior art systems configuration mode lacks flexibility, can't select according to scene or customer requirement, and is particularly bad to the on-the-spot compliance of the narrow and small work plane of space anxiety; And the utility model is on the basis of solenoid-driven function, increases early warning indicator lamp, buzzer and emergency stop switch have been installed, and can independently accomplish the task of safe early warning, reduced the dependence to controller, for the diversified collocation form of system provides the basis.
Prior art is under the pattern that adopts legacy drive, and every support generally must dispose a controller in the work plane, and number of components is many, and cost is high.And present embodiment possesses sound and light alarm, emergency stop switch, communication interface, support action drives, sensor acquisition function, and it has covered separate unit support all key elements of control automatically, can independently accomplish the action control and the state-detection task of separate unit support; And have and controller between reliable RS485 communication interface; Therefore, at less site environments of cradling function number such as thin seam working surfaces, can adopt the system configuration form of low-cost succinct " control is many " according to this; That is: many supports are only installed a controller; The hydraulic support electromagnetic valve driver is installed on the support of installation and control device not, thereby, the flexibility and the compliance of system configuration improved.
Because front panel belongs to the product man-machine interface, has indicator lamp, buzzer and emergency stop switch on it, need often operation, and damage easily.Therefore, in the shell structure design, adopt two cavates, PCB electron plate and Interface Terminal are installed in the embedding cavity, adopt sealant pouring and sealing; And indicator lamp, buzzer and emergency stop switch place front panel and housing adopt fitting tight; Thereby make product both can guarantee the waterproof sealing performance, can be convenient to the replacing of man-machine interface again, safeguard, reprocess conveniently.
The foregoing description is the utility model preferred implementation; But the embodiment of the utility model is not restricted to the described embodiments; Other are any not to deviate from modification, the modification done under spirit and the principle of the utility model, substitute, combination, simplify; All should be the substitute mode of equivalence, all should be included within the protection domain of the utility model.