CN208722041U - Hydrodynamic lubrication control cabinet - Google Patents

Abstract

The utility model relates to a kind of hydrodynamic lubrication control cabinets, including master control switch, main power supply circuit and control circuit, main power supply circuit includes the first breaker, the second breaker, third breaker, the 4th breaker, the 5th breaker, the 6th breaker, transformer, first contactor, second contactor, third contactor, the 4th contactor, the 5th contactor, the 6th contactor and forceful electric power connecting terminal block；The leading-out terminal of transformer is connected with programmable logic controller (PLC)；Control circuit includes Switching Power Supply, and the leading-out terminal of Switching Power Supply is connected with touch screen, the first relay, the second relay, third relay, the 4th relay, the first isolation module, the second isolation module, third isolation module, the 4th isolation module, the 5th isolation module, the 6th isolation module, light current connecting terminal block, solenoid valve, indicator light and alarm；The utility model has the advantages that high convenient for centralized control, effective noise reduction, data acquisition accuracy.

Description

Hydrodynamic lubrication control cabinet

Technical field

The utility model belongs to hydrodynamic lubrication and control technology field, and in particular to a kind of hydrodynamic lubrication control cabinet.

Background technique

It needs to reduce the abrasion between mechanical structured member using oil pumping system in engineering mechanical device operational process, Effectively reduce the service life of mechanical friction and prolonged mechanical equipment.When using oil pumping system in process of production, need Driving device in oil pumping system is effectively automatically controlled, and needs to carry out the operating condition of hydraulic lubricant oil effective Monitoring avoids causing the temperature of hydraulic lubricant oil is excessively high to generate damage to device using oil pumping system for a long time.Current Hydraulic lubriction system control device when in use, effectively cannot accurately receive monitoring data, since driving motor exists Magnetic field can be generated when operation, the acquisition signal received so as to cause PLC controller is by magnetic interference, so that PLC is controlled The collected data of device processed are not accurate enough, can not be effective when causing to control the operation of corresponding driving device by PLC controller Carry out control.

Utility model content

It is provided the purpose of the utility model is to overcome the deficiencies in the prior art a kind of dry convenient for centralized control, reduction signal Disturb, improve the hydrodynamic lubrication control cabinet of data acquisition accuracy.

The technical solution of the utility model is as follows:

A kind of hydrodynamic lubrication control cabinet, including master control switch, main power supply circuit and control circuit, the main power supply circuit The first breaker, the second breaker, third breaker, the 4th breaker, including being parallel to the master control switch wire outlet terminal Five breakers, the 6th breaker and transformer, the leading-out terminal of first breaker are connected with first contactor, and described second The leading-out terminal of breaker is connected with second contactor, and the leading-out terminal of the third breaker is connected with third contactor, and described The leading-out terminal of four breakers is connected with the 4th contactor, and the leading-out terminal of the 5th breaker is connected with the 5th contactor, described The leading-out terminal of 6th breaker is connected with the 6th contactor, the first contactor, second contactor, third contactor, the 4th The leading-out terminal of contactor, the 5th contactor and the 6th contactor is all connected on forceful electric power connecting terminal block；The transformer Leading-out terminal is connected with programmable logic controller (PLC), and the programmable logic controller (PLC) is connected with the first expansion module, the second extension Module and analog input and output module；The control circuit includes being connected to the Switching Power Supply of inducer for line outlet end of transformer, described The leading-out terminal of Switching Power Supply is connected with touch screen, the first relay, the second relay, third relay, the 4th relay, first Isolation module, the second isolation module, third isolation module, the 4th isolation module, the 5th isolation module and the 6th isolation module, The leading-out terminal of second relay, third relay and the 4th electricity-saving appliance is connected on light current connecting terminal block, described weak The leading-out terminal of electric connecting terminals row is connected with solenoid valve, indicator light and alarm, first isolation module, the second isolation mode Block, third isolation module, the 4th isolation module, the 5th isolation module and the 6th isolation module signal input part be connected to control On connecting terminal block processed, the first isolation module, the second isolation module, third isolation module, the 4th isolation module, the 5th isolation mode The signal output end of block and the 6th isolation module is connected with programmable logic controller (PLC).

Further, the programmable logic controller (PLC) and switch power parallel are in the leading-out terminal of transformer.

Further, the quantity of first relay is 6, and 6 the first relays are parallel to the leading-out terminal of Switching Power Supply.

Further, the first contactor, second contactor, third contactor, the 4th contactor, the 5th contactor and 6th contactor respectively connects first relay.

Further, the input voltage of the transformer is AC380V, and the output voltage of transformer is AC220V.

Further, the input voltage of the Switching Power Supply is AC220V, and the output voltage of Switching Power Supply is DC24V.

Further, the touch screen is connected to the communication signal end of programmable logic controller (PLC), programmable logic controller (PLC) It is connected by signal wire with the first relay, the second relay, third relay and the 4th relay.

Further, the second contactor is electrically connected with lubrication run indicator.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model may be programmed by the touch screen input logic operating instruction being connected with programmable logic controller (PLC) Logic controller is by the instruction feedback received to each relay, and programmable logic controller (PLC) carries out motor operating state Acquisition carries out effective operation control to each motor according to logical program convenient for programmable logic controller (PLC)；

2, the utility model is converted to the power supply of AC380V suitable for respective electric by transformer in control cabinet AC220V voltage, and the voltage of AC220V is converted to by the DC24V voltage for being suitable for controlling component by Switching Power Supply, thus The power supply of AC380V is converted into the voltage suitable for various specifications electrical component in control cabinet；

3, the isolation module added in the utility model is used for the voltage of received motor, electric current, oil circuit temperature detection Signal carries out isolation processing, so that the accuracy for the monitoring signals that programmable logic controller (PLC) receives be effectively ensured, avoid by Cause collection result inaccurate in acquiring magnetic interference in running motor signal, to avoid influencing to each operation motor Operating status be precisely controlled；

In short, the utility model has convenient for centralized control, reduction signal interference, improves the excellent of data acquisition accuracy Point.

Detailed description of the invention

Fig. 1 is the internal wiring schematic diagram of the utility model.

Fig. 2 is main power supply circuit electrical schematic diagram in the utility model.

Fig. 3 is the wiring electrical schematic diagram that connecting terminal is controlled in the utility model.

Fig. 4 is isolation module wiring electrical schematic diagram in the utility model.

Wherein, QO1, master control switch, QF1, the first breaker, QF2, the second breaker, QF3, third breaker, QF4, the Four breakers, QF5, the 5th breaker, QF6, the 6th breaker, T1, transformer, KM1, first contactor, KM2, the second contact Device, KM3, third contactor, KM4, the 4th contactor, KM5, the 5th contactor, KM6, the 6th contactor, X1, forceful electric power terminals Son row, PLC, programmable logic controller (PLC), AO1, the first expansion module, A02, the second expansion module, A03, analog input are defeated Module out, G1, Switching Power Supply, HMI, touch screen, KA, the first relay, KB, the second relay, KC, third relay, KY, Four relays, U1, the first isolation module, U2, the second isolation module, U3, third isolation module, U4, the 4th isolation module, U5, 5th isolation module, U6, the 6th isolation module, X2, light current connecting terminal block, YA, solenoid valve, HL, indicator light, HP1, alarm Device, X5, control connecting terminal block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1, a kind of hydrodynamic lubrication control cabinet, including master control switch QO1, main power supply circuit and control circuit, The main power supply circuit includes the first circuit breaker Q F1 for being parallel to the master control switch QO1 leading-out terminal, the second circuit breaker Q F2, Three circuit breaker Q F3, the 4th circuit breaker Q F4, the 5th circuit breaker Q F5, the 6th circuit breaker Q F6 and transformer T1, described first is disconnected The leading-out terminal of road device QF1 is connected with first contactor KM1, and the leading-out terminal of the second circuit breaker Q F2 is connected with second contactor KM2, the leading-out terminal of the third circuit breaker Q F3 are connected with third contactor KM3, and the leading-out terminal of the 4th circuit breaker Q F4 connects It is connected to the 4th contactor KM4, the leading-out terminal of the 5th circuit breaker Q F5 is connected with the 5th contactor KM5, the 6th breaker The leading-out terminal of QF6 is connected with the 6th contactor KM6, the first contactor KM1, second contactor KM2, third contactor KM3, The leading-out terminal of 4th contactor KM4, the 5th contactor KM5 and the 6th contactor KM6 are all connected to forceful electric power connecting terminal block X1 On, to be connected by forceful electric power connecting terminal block X1 with the motor at scene；The leading-out terminal of the transformer T1 is connected with programmable Logic controller PLC, the programmable logic controller (PLC) PLC be connected with the first expansion module AO1, the second expansion module A02 with And analog input and output modules A 03, it is counted control object more field device with meeting programmable logic controller (PLC) PLC It is controlled；The control circuit include be connected to transformer T1 leading-out terminal Switching Power Supply G1, the Switching Power Supply G1 go out Line end be connected with for as setup parameter input terminal touch screen HMI, with the first relay of control circuit defencive function KA, the second relay KB, third relay KC and the 4th relay KY, that magnetic interference can be reduced to the signal of acquisition One isolation module U1, the second isolation module U2, third isolation module U3, the 4th isolation module U4, the 5th isolation module U5 and The leading-out terminal of 6th isolation module U6, the second relay KB, third relay KC and the 4th electricity-saving appliance KY are connected to weak On electric connecting terminals X2 row, the leading-out terminal of the light current connecting terminal block X2 is connected with solenoid valve YA, indicator light HL and alarm Device HP1, the first isolation module U1, the second isolation module U2, third isolation module U3, the 4th isolation module U4, the 5th every Signal input part from module U5 and the 6th isolation module U6 is connected on control connecting terminal block X5, the first isolation module U1, the second isolation module U2, third isolation module U3, the 4th isolation module U4, the 5th isolation module U5 and the 6th isolation mode The signal output end of block U6 is connected with programmable logic controller (PLC) PLC.

In the present embodiment, programmable logic controller (PLC) PLC leading-out terminal with transformer T1 in parallel with Switching Power Supply G1； The quantity of the first relay KA is 6, and 6 the first relay KA are parallel to the leading-out terminal of Switching Power Supply G1, solenoid valve YA Quantity it is identical as the quantity of the first relay KA, and the corresponding solenoid valve YA of each first relay KA, wherein 6 electromagnetism Valve YA controls locking cylinder locking respectively and unclamps, safety cylinder clamps and release, positive and negative rotation of motor；The number of the second relay KB Amount is 2, and each second relay KB respectively connects an indicator light HL, one of indicator light HL for showing host-initiated, Another indicator light HL hydraulic is not locked for showing；The first contactor KM1, second contactor KM2, third contactor KM3, the 4th contactor KM4, the 5th contactor KM5 and the 6th contactor KM6 respectively connect a first relay KA；The change The input voltage of depressor TI is AC380V, and the output voltage of transformer is AC220V；The input voltage of the Switching Power Supply G1 is AC220V, the output voltage of Switching Power Supply are DC24V；The touch screen HMI is connected to the communication of programmable logic controller (PLC) PLC Signal end, programmable logic controller (PLC) PLC pass through signal wire and the first relay KA, the second relay KB, third relay KC And the 4th relay KD be connected；The second contactor KM2 is electrically connected with lubrication run indicator.

For the utility model when implementing, the human-computer interaction interface screen of KTP1000 is can be used in the model of touch screen HMI, can S7-1200 series can be used in the model of programmed logic controller PLC, and the CPU of programmable logic controller (PLC) PLC is CPU1214C system The model of SM1223DI16x24VDC, DQ16xRLY, the second expansion module AO2 can be used in column, the model of the first expansion module AO1 SM1223DI16x24VDC can be used, SM1221 series module, isolation mode can be used in the model of analog input and output modules A O3 HS1524 isolation module can be used in the model of block U.

As shown in Fig. 2, master control switch QO1 is connected on the power supply of AC380V/50HZ, the output end of master control switch QO1 is simultaneously It is associated with the first circuit breaker Q F1, the second circuit breaker Q F2, third circuit breaker Q F3, the 4th circuit breaker Q F4, the 5th circuit breaker Q F5, Six circuit breaker Q F6, the leading-out terminal of the first circuit breaker Q F1 are connected with first contactor KM1, and the leading-out terminal of first contactor KM1 connects It is connected on the connecting terminal of forceful electric power connecting terminal block X1, the leading-out terminal for being connected with the connecting terminal of first contactor KM1 is connected with Heater；The leading-out terminal of second circuit breaker Q F2 is connected with second contactor KM2, and the leading-out terminal of second contactor KM2 is connected to by force Electric connecting terminals are arranged on X1, and the leading-out terminal for being connected with the connecting terminal of second contactor KM2 is connected with lubrication motor；Third open circuit The leading-out terminal of device QF3 is connected with third contactor KM3, and the leading-out terminal of third contactor KM3 is connected to forceful electric power connecting terminal block X1 On, the leading-out terminal for being connected with the connecting terminal of third contactor KM3 is connected with hydraulic electric motor；The leading-out terminal of 4th circuit breaker Q F4 It is connected with the 4th contactor KM4, the leading-out terminal of the 4th contactor KM4 is connected on forceful electric power connecting terminal block X1, is connected with the 4th The leading-out terminal of the connecting terminal of contactor KM4 is connected to the low-speed running end of cooling blower；The leading-out terminal of two or five circuit breaker Q F5 It is connected with the 5th contactor KM5, the leading-out terminal of the 5th contactor KM5 is connected on forceful electric power connecting terminal block X1, is connected with the 5th The leading-out terminal of the connecting terminal of contactor KM5 is connected to the end that runs at high speed of cooling blower；The leading-out terminal of 6th circuit breaker Q F6 connects It is connected to the 6th contactor KM6, the leading-out terminal of the 6th contactor KM6 is connected on forceful electric power connecting terminal block X1, is connected with the 6th and is connect The leading-out terminal of the connecting terminal of tentaculum KM6 is connected with dust-proof blower.

As shown in figure 3, the leading-out terminal of control connecting terminal block X5 is connected respectively heater, lubrication motor, hydraulic electricity The end U/V/W of machine, the low speed of cooling blower and the end that runs at high speed, dust-proof blower.

As shown in figure 4, the power supply of the supply terminals access DN24V of the first isolation module U1, the first isolation module U1's Signal input part connects the voltage transmitter of host, and the signal output end of the first isolation module U1 meets programmable logic controller (PLC) PLC AIO+ and com interface；The power supply of the supply terminals access DN24V of second isolation module U2, the letter of the second isolation module U2 The current transducer of number input termination host, the signal output end of the second isolation module U2 connects programmable logic controller (PLC) PLC's AI1+ and com interface；The power supply of the supply terminals access DN24V of third isolation module U3, the signal of third isolation module U3 The mailbox temperature transmitter of input termination host, the signal output end of third isolation module U3 meet programmable logic controller (PLC) PLC AI2+ and AI2- interface；The power supply of the supply terminals access DN24V of 4th 1 isolation module U4, the 4th isolation module U41 Signal input part connect the returning-oil temperature transmitter of host, the signal output end of the 4th isolation module U4 connects Programmable logical controller AI3+ the and AI3- interface of device PLC；The power supply of the supply terminals access DN24V of 5th isolation module U5, the 5th isolation module The signal input part of U5 connects the gear-box oil temperature temperature transmitter of host, and the signal output end of the 5th isolation module U5 connects programmable AI4+ the and AI4- interface of logic controller PLC；The power supply of the supply terminals access DN24V of 6th isolation module U6, the 6th The signal input part of isolation module U6 connects the trunnion axis oil temperature temperature transmitter of host, the signal output end of the 6th isolation module U6 Meet AI50+ the and AI5- interface of programmable logic controller (PLC) PLC

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (8)

1. a kind of hydrodynamic lubrication control cabinet, including master control switch, main power supply circuit and control circuit, it is characterised in that: described Main power supply circuit includes the first breaker, the second breaker, third breaker, the 4th for being parallel to the master control switch wire outlet terminal The leading-out terminal of breaker, the 5th breaker, the 6th breaker and transformer, first breaker is connected with the first contact Device, the leading-out terminal of second breaker are connected with second contactor, and the leading-out terminal of the third breaker is connected with third and connects Tentaculum, the leading-out terminal of the 4th breaker are connected with the 4th contactor, and the leading-out terminal of the 5th breaker is connected with the 5th Contactor, the leading-out terminal of the 6th breaker are connected with the 6th contactor, the first contactor, second contactor, third Contactor, the 4th contactor, the 5th contactor and the 6th contactor leading-out terminal be all connected on forceful electric power connecting terminal block；Institute The leading-out terminal for stating transformer is connected with programmable logic controller (PLC), and the programmable logic controller (PLC) is connected with the first expanded mode Block, the second expansion module and analog input and output module；The control circuit includes being connected to opening for inducer for line outlet end of transformer Powered-down source, the leading-out terminal of the Switching Power Supply are connected with touch screen, the first relay, the second relay, third relay, the 4th Relay, the first isolation module, the second isolation module, third isolation module, the 4th isolation module, the 5th isolation module and The leading-out terminal of six isolation modules, second relay, third relay and the 4th electricity-saving appliance is connected to light current connecting terminal On row, the leading-out terminal of the light current connecting terminal block is connected with solenoid valve, indicator light and alarm, first isolation mode Block, the second isolation module, third isolation module, the 4th isolation module, the 5th isolation module and the 6th isolation module signal Input terminal is connected on control connecting terminal block, the first isolation module, the second isolation module, third isolation module, the 4th isolation The signal output end of module, the 5th isolation module and the 6th isolation module is connected with programmable logic controller (PLC).

2. hydrodynamic lubrication control cabinet according to claim 1, it is characterised in that: the programmable logic controller (PLC) and switch The leading-out terminal of power sources in parallel and transformer.

3. hydrodynamic lubrication control cabinet according to claim 1, it is characterised in that: the quantity of first relay is 6, 6 the first relays are parallel to the leading-out terminal of Switching Power Supply.

4. hydrodynamic lubrication control cabinet according to claim 1, it is characterised in that: the first contactor, second contactor, Third contactor, the 4th contactor, the 5th contactor and the 6th contactor respectively connect first relay.

5. hydrodynamic lubrication control cabinet according to claim 1, it is characterised in that: the input voltage of the transformer is AC380V, the output voltage of transformer are AC220V.

6. hydrodynamic lubrication control cabinet according to claim 1, it is characterised in that: the input voltage of the Switching Power Supply is AC220V, the output voltage of Switching Power Supply are DC24V.

7. hydrodynamic lubrication control cabinet according to claim 1, it is characterised in that: the touch screen is connected to programmable logic The communication signal end of controller, programmable logic controller (PLC) pass through signal wire and the first relay, the second relay, third relay Device and the 4th relay are connected.

8. hydrodynamic lubrication control cabinet according to claim 1, it is characterised in that: the second contactor is electrically connected with lubrication Run indicator.