CN209267483U

CN209267483U - The frequency-changing control system of belt feeder

Info

Publication number: CN209267483U
Application number: CN201920182587.0U
Authority: CN
Inventors: 周宏亮; 金从众; 金波
Original assignee: LOGISTICS CENTER TIANJIN Co OF CHINA NATIONAL TOBACCO Corp
Current assignee: LOGISTICS CENTER TIANJIN Co OF CHINA NATIONAL TOBACCO Corp
Priority date: 2019-02-01
Filing date: 2019-02-01
Publication date: 2019-08-16
Anticipated expiration: 2029-02-01

Abstract

The utility model provides a kind of frequency-changing control system of belt feeder, including PLC controller, frequency converter, DC power supply, No. I A.C. contactor and No. II A.C. contactor connecting respectively with No. I belt electric motor and No. II belt electric motor；PLC controller 0,1 pin are separately connected the D12 pin of No. I single-point relay and the D22 pin of No. II single-point relay；The 0V feeder ear of the D21 pin of the D11 pin of No. I single-point relay and No. II single-point relay connection DC power supply；The both ends normally opened contact K9 of No. I single-point relay are separately connected No. 4 pins and C phase firewire of No. I A.C. contactor；The both ends normally opened contact K10 of No. II single-point relay are separately connected No. 4 pins and C phase firewire of No. II A.C. contactor.The utility model is realized by two belt feeders of a Frequency Converter Control, and the automatically controlled cost of belt feeder frequency control is reduced, while saving power control cabinet installation space.

Description

The frequency-changing control system of belt feeder

Technical field

The utility model belongs to frequency-changing control system, and in particular to a kind of frequency-changing control system of belt feeder.

Background technique

Belt type conveyer machine is widely applied as the main composition component part of logistics equipment in logistic industry, The control mode of conventional belt formula conveyer mainly issues control signal triggering A.C. contactor movement by PLC and realizes belt feeder Start and stop function, but which belongs to hard reboot mode, and under the use environment of belt feeder frequent start-stop, motor is opened Revolving speed is promoted rapidly when dynamic, it is easy to be led to gearing component accelerated wear test, be influenced the service life of equipment, while the mode Situations such as lower belt machine starting operation is too fast, is easy to cause the deformation of the good pile article of code or scattered pile.

Many belt type conveyers use frequency control mode according to use environment at present, that is, pass through Frequency Converter Control skin Starting and stopping with machine, which can realize the soft start of belt feeder, can set belt feeder start and stop on demand by converter technique Buffer time greatly improves traditional hard reboot to the mechanical wear of belt feeder, while improving the steady of transmission article pile type It is qualitative.But which needs to add frequency converter, improves the control cost of belt type conveyer to a certain extent.

Utility model content

The utility model is proposed to overcome disadvantage existing in the prior art, and the purpose is to provide a kind of belt The frequency-changing control system of machine.

The technical solution of the utility model is:

A kind of frequency-changing control system of belt feeder, including PLC controller, frequency converter and DC power supply further include respectively with I No. I A.C. contactor and No. II A.C. contactor of number belt electric motor and the connection of No. II belt electric motor；

The PLC controller 0,1 pin are separately connected the D12 pin and No. II single-point relay of No. I single-point relay D22 pin；The 0V power supply of the D21 pin of the D11 pin of No. I single-point relay and No. II single-point relay connection DC power supply End；

The both ends normally opened contact K9 of No. I single-point relay are separately connected No. 4 pins and C phase of No. I A.C. contactor Firewire；

The both ends normally opened contact K10 of No. II single-point relay are separately connected No. 4 pins and C of No. II A.C. contactor Phase firewire；

No. 5 pins of No. I A.C. contactor and No. II A.C. contactor are all connected with zero curve；

One end normally opened contact K1 ~ K3 of No. I A.C. contactor respectively with No. I three Xiang Xianglian of belt electric motor, the other end It is connect respectively with normally opened contact K5 ~ K7 of No. II A.C. contactor, the other end of normally opened contact K5 ~ K7 connects No. II belt electromechanics Three Xiang Xianglian of motivation；After the normally opened contact K8 parallel connection of the normally opened contact K4 and No. II A.C. contactor of No. I A.C. contactor, one end The rotating forward control terminal FWD of frequency converter is connected, the other end connects the common terminal COM of frequency converter.

The DC power supply is 24V DC power supply.

0 and 1 pin of the PLC controller is 24V DC output end.

No. 4 pins of No. I A.C. contactor and No. II A.C. contactor are ac contactor coil 220V power supply, No. 5 pins are alternating current zero line side.

The end X, Y, Z of the frequency converter passes through switch K31, K32, K33 connection A phase firewire, B phase firewire, C phase fire respectively Line.

The beneficial effects of the utility model are:

The utility model provides a kind of frequency-changing control system of belt feeder, realizes by two belts of a Frequency Converter Control Machine, reduces the automatically controlled cost of belt feeder frequency control, while saving power control cabinet installation space.

Detailed description of the invention

Fig. 1 is the electrical schematic diagram of the frequency-changing control system of the utility model belt feeder.

Wherein:

01 PLC controller, 02 frequency converter

03 No. I belt electric motors, 04 No. II belt electric motors

05 No. I A.C. contactors, 06 No. II A.C. contactors

07 No. I single-point relays, 08 No. II single-point relays

09 DC power supply.

Specific embodiment

With reference to the accompanying drawings of the specification and embodiment carries out specifically the frequency-changing control system of the utility model belt feeder It is bright:

As shown in Figure 1, a kind of frequency-changing control system of belt feeder, including PLC controller 01, frequency converter 02 and DC power supply 09, it further include No. I A.C. contactor 05 and II being connect respectively with No. I belt electric motor 03 and No. II belt electric motor 04 Number A.C. contactor 06；

The PLC controller 010,1 pin are separately connected the D12 pin and No. II single-point relay of No. I single-point relay 07 The D22 pin of device 08；The D21 pin of the D11 pin of No. I single-point relay 07 and No. II single-point relay 08 connects DC power supply 09 0V feeder ear；

The both ends normally opened contact K9 of No. I single-point relay 07 be separately connected No. I A.C. contactor 05 No. 4 pins and C phase firewire；

The both ends normally opened contact K10 of No. II single-point relay 08 be separately connected No. II A.C. contactor 06 No. 4 are drawn Foot and C phase firewire；

No. 5 pins of No. I A.C. contactor 05 and No. II A.C. contactor 06 are all connected with zero curve；

One end normally opened contact K1 ~ K3 of No. I A.C. contactor 05 respectively with No. I 03 3 Xiang Xianglian of belt electric motor, separately One end is connect with normally opened contact K5 ~ K7 of No. II A.C. contactor 06 respectively, and the other end of normally opened contact K5 ~ K7 connects No. II skin Band 04 3 Xiang Xianglian of electric motor；The normally opened contact K4 of No. I A.C. contactor 05 and the normally opened contact of No. II A.C. contactor 06 After K8 is in parallel, one end connects the rotating forward control terminal FWD of frequency converter 02, and the other end connects the common terminal COM of frequency converter 02.

The DC power supply 09 is 24V DC power supply.

0 and 1 pin of the PLC controller 01 is 24V DC output end.

No. 4 pins of No. I A.C. contactor 05 and No. II A.C. contactor 06 are ac contactor coil 220V Power supply, No. 5 pins are alternating current zero line side.

The end X, Y, Z of the frequency converter 02 passes through switch K31, K32, K33 connection A phase firewire, B phase firewire, C phase fire respectively Line.

The control principle of the utility model:

According to control logic, when 0 and 1 pin of PLC controller 01 has signal, No. I single-point relay 07 and No. II are controlled Single-point relay 08 acts, and triggers its normally opened contact K9 or K10 and is attracted, after single-point relay contact is connected, controls No. I exchange and connect Tentaculum 05 and No. II 06 coil of A.C. contactor power on, and triggering A.C. contactor normally opened contact is connected, and wherein A.C. contactor is normal After opening contact K4 or K5 connection, frequency converter 02 will start, after frequency converter 02 starts, according to 02 internal parameter control of frequency converter, to I The normally opened contact out-put supply that number A.C. contactor 05 and No. II A.C. contactor 06 have been attracted, to control the smooth of motor Starting.

The realization of the utility model control mode, first in terms of the type selecting of frequency converter, the power of frequency converter should be not less than Twice of two motors power, it is also necessary to certain adjustment, main adjusting parameter are carried out to Frequency Converter Control parameter are as follows: 1, control Mode processed is selected as V/F control；2, operation command channel is selected as terminal operation command channel；3, the starting time can be according to reality It needs to select；4, shutting-down Mode Selection is freely shut down；5, setting overcurrent shuts down autostart function.

The utility model control route is simple, saves in-site installation space；It is electronic to realize Frequency Converter Control two The function of machine reduces frequency converter purchase cost and the field erected workload of frequency converter；For current using traditional hard reboot The belt conveyor scene of control mode frequency converter transformation for, which have less investment, track remodelling change less, frequency conversion The advantages such as device installation workload is low, have certain promotional value.

Claims

1. a kind of frequency-changing control system of belt feeder, including PLC controller (01), frequency converter (02) and DC power supply (09), It is characterized in that: further including that No. I exchange connecting respectively with No. I belt electric motor (03) and No. II belt electric motor (04) connects Tentaculum (05) and No. II A.C. contactor (06)；

The PLC controller (01) 0,1 pin are separately connected the D12 pin and No. II single-point relay of No. I single-point relay (07) The D22 pin of device (08)；The D11 pin of No. I single-point relay (07) and the connection of the D21 pin of No. II single-point relay (08) are straight The 0V feeder ear in galvanic electricity source (09)；

The both ends normally opened contact K9 of No. I single-point relay (07) be separately connected No. I A.C. contactor (05) No. 4 pins and C phase firewire；

The both ends normally opened contact K10 of No. II single-point relay (08) be separately connected No. II A.C. contactor (06) No. 4 are drawn Foot and C phase firewire；

No. 5 pins of No. I A.C. contactor (05) and No. II A.C. contactor (06) are all connected with zero curve；

One end normally opened contact K1 ~ K3 of No. I A.C. contactor (05) respectively with No. I (03) three Xiang Xianglian of belt electric motor, separately One end is connect with normally opened contact K5 ~ K7 of No. II A.C. contactor (06) respectively, and the other end of normally opened contact K5 ~ K7 connects No. II (04) three Xiang Xianglian of belt electric motor；The normally opened contact K4 of No. I A.C. contactor (05) and No. II A.C. contactor (06) After normally opened contact K8 is in parallel, one end connects the rotating forward control terminal FWD of frequency converter (02), and the other end connects the public affairs of frequency converter (02) With terminal COM.

2. a kind of frequency-changing control system of belt feeder according to claim 1, it is characterised in that: the DC power supply (09) For 24V DC power supply.

3. a kind of frequency-changing control system of belt feeder according to claim 1, it is characterised in that: the PLC controller (01) 0 and 1 pin is 24V DC output end.

4. a kind of frequency-changing control system of belt feeder according to claim 1, it is characterised in that: No. I ac contactor Device (05) and No. 4 pins of No. II A.C. contactor (06) are ac contactor coil 220V power supply, and No. 5 pins are exchange Electrical zero line end.

5. a kind of frequency-changing control system of belt feeder according to claim 1, it is characterised in that: the frequency converter (02) X, the end Y, Z passes through switch K31, K32, K33 connection A phase firewire, B phase firewire, C phase firewire respectively.