CN204038485U - Belt transporter overload automatic alarm circuit - Google Patents
Belt transporter overload automatic alarm circuit Download PDFInfo
- Publication number
- CN204038485U CN204038485U CN201420349985.4U CN201420349985U CN204038485U CN 204038485 U CN204038485 U CN 204038485U CN 201420349985 U CN201420349985 U CN 201420349985U CN 204038485 U CN204038485 U CN 204038485U
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- control loop
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Abstract
The utility model discloses a kind of belt transporter overload automatic alarm circuit, comprise PLC, current transducer, current transformer, computer, the first relay, time meter, electric bell, the second relay, hydraulic valve control loop, described current transformer can detect belt motor electric current and transfer to PLC by current transducer, described PLC by the data transmission that collects to computer; PLC is connected with the first relay coil, and PLC is also connected with time meter, and described time meter is to the second relay coil output signal; Described electric bell is by Power supply, and the open contact of described first relay is arranged in electric bell current supply circuit; Described hydraulic valve control loop comprises hydraulic gate electromagnetic valve, and the open contact of described second relay to be arranged in hydraulic valve control loop and to connect with hydraulic gate electromagnetic valve.The utility model can realize belt overload automatic alarm, and automatically can close to ore deposit system under long-time overload operation state.
Description
Technical field
The utility model belongs to belt transporter circuit engineering field, especially relates to a kind of Novel alarming loop apparatus that can be applied to belt transporter operational throughput and control.
Background technology
Mei Shan ore dressing plant 6# belt is below the outdoor ore storage bin of storage ore deposit, centre groove, as workshop major hazard source, belt porch is not only narrow but also long, in recent years outsourcing ore is at storage ore deposit, centre groove ore drawing, raw ore increases containing mud aqueous ingredients, cause hydraulic ore drawing bucket operation process chats amount uneven, aggravation ore drawing difficulty, cause 6#, 7#, the amount fluctuation of 8# Belt Conveying ore deposit is larger, frequent generation band conveyor current overload, the tripping operation of belt transporter motor causes collection barrow band to be killed by ore, ground is scattering into because belt kills ore, the cleaning needing more personnel daily and maintenance, cost of human resources increases, belt motor is even caused to burn when transshipping serious, need to shut down the process of gravity treatment system equipment, hinder production smooth and easy, and working space is limited when processing motor accident, circumstance complication, safety hazard increased risk.
6# belt porch is in underground, mobile phone, interphone all cannot received signals, the post of 6# belt only has a telephone set, because ore drawing operating line is longer, when the 7# belt transporter ore deposit amount of later process is transshipped, whether the post work of 6# belt often cannot receive the report for police service and notify adjustment ore deposit amount in time, therefore need a kind of warning device that 6# belt ore drawing operating personnel current transportation belt throughput can be reminded in time excessive.
Summary of the invention
For solving the problem, the utility model discloses a kind of belt transporter overload automatic alarm circuit.Consider that 6# is meticulous not to barrow band ore drawing Operation control, because Ore Hopper is without metering system, therefore 6# belt Ore Hopper mine-supplying quantity fluctuates larger always, post work should ensure that 6# belt mine-supplying quantity can not be too little, meet next procedure requirement, avoid the ore deposit excessive 6# of the causing belt of amount to kill again and even tear.Therefore the utility model gathers the running state of belt electric current, guarantees to control in certain zone of reasonableness to the mine-supplying quantity of barrow band and travelling belt, and there is no human hair in the long-time overload operation of equipment and can automatically close to ore deposit system now.
In order to reach above object, the utility model provides following technical scheme:
A kind of belt transporter overload automatic alarm circuit, comprise PLC, current transducer, current transformer, computer, the first relay, time meter, electric bell, the second relay, hydraulic valve control loop, described current transformer can detect belt motor electric current and transfer to PLC by current transducer, described PLC by the data transmission that collects to computer; PLC is connected with the first relay coil, and PLC is also connected with time meter, and described time meter is to the second relay coil output signal; Described electric bell is by Power supply, and the open contact of described first relay is arranged in electric bell current supply circuit; Described hydraulic valve control loop comprises hydraulic gate electromagnetic valve, and the open contact of described second relay to be arranged in hydraulic valve control loop and to connect with hydraulic gate electromagnetic valve.
Further, described electric bell comprises three, is separately positioned in 6# belt porch, 7# belt porch, 8# belt porch, and described three electric bells are one another in series.
Further, described first relay model is My4nj (220v), and the model of the second relay is my4nj (24v).
Beneficial effect:
The utility model can realize belt overload automatic alarm; and automatically can close to ore deposit system under long-time overload operation state; the fluctuation of effective control belt ore drawing operation ore deposit amount size; avoid belt to transship killing, tear, the accident such as burn-down of electric motor occurs; thus can available protecting belt transporter motor and belt; reduce accident rate, promote job safety performance.The utility model is specially adapted to large in operational throughput fluctuation, to need to control operational throughput upper limit belt transporter is applied.
Accompanying drawing explanation
The belt transporter overload automatic alarm circuit connection diagram that Fig. 1 provides for the utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, following detailed description of the invention should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric centre respectively.
As shown in Figure 1, belt transporter overload automatic alarm circuit, comprises PLC, current transducer, current transformer, computer, the first relay, time meter, electric bell, the second relay, hydraulic valve control loop; Described current transformer can detect belt motor electric current and transfer to PLC by current transducer, the data transmission that PLC collects is to computer, described PLC is connected with time meter with the first relay coil respectively, and described time meter is to the second relay coil output signal; Described electric bell is powered by power supply (AC 220V), and the open contact of described first relay is arranged in electric bell current supply circuit, and the open contact of the first relay is connected with electric bell and can be controlled the supply current break-make of electric bell; Described hydraulic valve control loop comprises hydraulic gate electromagnetic valve, the open contact of described second relay is arranged in hydraulic valve control loop, the open contact of the second relay is connected with hydraulic gate electromagnetic valve can the supply current break-make of hydraulic control gate electromagnetic valve, and hydraulic gate electromagnetic valve is powered by power supply (DC 24V).The electric bell above mentioned comprises three, is separately positioned in 6# belt porch, 7# belt porch, 8# belt porch, and these three electric bells are one another in series.
The current of electric of belt transporter is (because 7# belt motor power is up to 75 kilowatts, therefore the electric current of 7# belt motor should be monitored) can be detected and transfer in PLC, the contact of the first relay and the contact of the second relay are normally open at ordinary times, electric bell current supply circuit disconnects, and hydraulic valve control loop disconnects.When belt transporter running current exceedes setting protection current value (such as 120A); PLC is to the first relay output signal; the open contact of the first relay closes; electric bell current supply circuit closes; electric bell in 6# belt porch, 7# belt porch, 8# belt porch all starts, and remind industrial and mineral amount excessive needs in post to adjust belt mine-supplying quantity in time, post personnel can adjust rapidly; reduce mine-supplying quantity, reduce belt operating load.When electric current is reduced to setting protection current to after following, such as, when electric current is down to 115A, the open contact of the first relay is opened, and electric bell stops.When aforesaid belt transport plane running current exceedes setting protection current value, PLC is simultaneously to time meter output signal, (time meter presets timing in 5 minutes to time meter, it must be noted that, within 5 minutes, be only a kind of example, those skilled in that art can set the suitable time according to site environment and operation requirements) start, if belt transporter running current was not reduced to below protection current after 5 minutes, time meter is to the second relay coil output signal, the open contact of the second relay closes, hydraulic valve control loop closes, hydraulic gate electromagnetic valve is powered, start hydraulic gate automatic closing system.Further, when belt transporter running current excessive (such as more than 130A), PLC is to the second relay output signal, and the open contact of the second relay is closed makes system close immediately, and avoid a nasty accident generation.
Preferably, described first relay model is My4nj (220v), and the model of the second relay is my4nj (24v).
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also comprises the technical scheme be made up of above technical characteristic combination in any.
Claims (3)
1. a belt transporter overload automatic alarm circuit, it is characterized in that: comprise PLC, current transducer, current transformer, computer, the first relay, time meter, electric bell, the second relay, hydraulic valve control loop, described current transformer can detect belt motor electric current and transfer to PLC by current transducer, described PLC by the data transmission that collects to computer; PLC is connected with the first relay coil, and PLC is also connected with time meter, and described time meter is to the second relay coil output signal; Described electric bell is by Power supply, and the open contact of described first relay is arranged in electric bell current supply circuit; Described hydraulic valve control loop comprises hydraulic gate electromagnetic valve, and the open contact of described second relay to be arranged in hydraulic valve control loop and to connect with hydraulic gate electromagnetic valve.
2. belt transporter overload automatic alarm circuit according to claim 1, it is characterized in that: described electric bell comprises three, be separately positioned in 6# belt porch, 7# belt porch, 8# belt porch, described three electric bells are one another in series.
3. belt transporter overload automatic alarm circuit according to claim 1 and 2, it is characterized in that: described first relay model is My4nj (220v), the model of the second relay is my4nj (24v).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420349985.4U CN204038485U (en) | 2014-06-29 | 2014-06-29 | Belt transporter overload automatic alarm circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420349985.4U CN204038485U (en) | 2014-06-29 | 2014-06-29 | Belt transporter overload automatic alarm circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204038485U true CN204038485U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420349985.4U Expired - Fee Related CN204038485U (en) | 2014-06-29 | 2014-06-29 | Belt transporter overload automatic alarm circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204038485U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423530A (en) * | 2016-11-28 | 2017-02-22 | 云南华联锌铟股份有限公司 | Impact crusher protection control system |
| CN107444875A (en) * | 2016-06-01 | 2017-12-08 | 鞍钢股份有限公司 | Current interlocking protection method for feeding belt motor |
| CN109399125A (en) * | 2018-10-10 | 2019-03-01 | 南安市天筹机械贸易有限公司 | A kind of conveyer belt overload warning device based on electric current induction and air thermal expansion |
| CN112320256A (en) * | 2020-09-27 | 2021-02-05 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Protection method for preventing overload of belt conveyor |
-
2014
- 2014-06-29 CN CN201420349985.4U patent/CN204038485U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444875A (en) * | 2016-06-01 | 2017-12-08 | 鞍钢股份有限公司 | Current interlocking protection method for feeding belt motor |
| CN106423530A (en) * | 2016-11-28 | 2017-02-22 | 云南华联锌铟股份有限公司 | Impact crusher protection control system |
| CN109399125A (en) * | 2018-10-10 | 2019-03-01 | 南安市天筹机械贸易有限公司 | A kind of conveyer belt overload warning device based on electric current induction and air thermal expansion |
| CN109399125B (en) * | 2018-10-10 | 2020-06-26 | 江门市南方输送机械工程有限公司 | Conveyer belt overload warning device based on current induction and air thermal expansion |
| CN112320256A (en) * | 2020-09-27 | 2021-02-05 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Protection method for preventing overload of belt conveyor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20160629 |