Mining flame-proof and intrinsic safety type digital belt weigher collector

Abstract

The utility model provides a mining flame-proof and intrinsic safety type digital belt weigher collector, and belongs to the field of belt weighers. The technical problem to be solved is to provide a mining flame-proof and intrinsically safe digital belt weigher collector with dual overvoltage protection effects. In order to solve the technical problem, the technical scheme adopted by the utility model is as follows: the weighing sensor connector comprises a plurality of sensor connectors, and the sensor connectors comprise a first weighing sensor connector, a second weighing sensor connector, a third weighing sensor connector, a fourth weighing sensor connector, a speed sensor connector and a first connector, a port 6 of a connector of the sensor is connected with a pin 4 of a corresponding chip, a port 1 of a first connector is connected with a fuse F1 and a resistor R1 in series and then is connected with a pin 1 of a first chip U1 in parallel, a pin 3 of the first chip U1 is connected with one end of a fuse F2 in parallel, and the other end of the fuse F2 is connected with the input end of a 5V dual overvoltage module in parallel; the utility model is applied to the belt weigher.

Description

Technical Field

[0001] The utility model provides a mine-used flameproof and intrinsically safe digital belt scale collector, belonging to the field of belt scales. Background Art

[0002] The belt scale is mainly composed of a collector and a data processing system. The belt scale collector is divided into analog collectors and digital collectors. The existing analog belt scale collectors are more likely to be affected by transmission distance, temperature and humidity, and electromagnetic interference. Although the digital belt scale collector can effectively solve the above technical problems, the circuit structure of the existing digital belt scale collector is unstable and cannot be well applied to dangerous places such as mines. Utility Model Content

[0003] In order to solve the technical problem of poor circuit structure performance of a digital belt scale collector, the utility model proposes a mine-use explosion-proof and intrinsically safe digital belt scale collector, the purpose of which is to avoid pole displacement by improving the hardware structure of the digital belt scale collector, thereby ensuring the safety and operability of the construction.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a mining explosion-proof and intrinsically safe digital belt scale collector, including connectors of several sensors, the connectors of the sensors include a first weighing sensor connector, a second weighing sensor connector, a third weighing sensor connector, a fourth weighing sensor connector, a speed sensor connector and a first connector;

[0005] Port 1 of the first load cell connector, port 1 of the second load cell connector, port 1 of the third load cell connector, port 1 of the fourth load cell connector and port 1 of the speed sensor connector are connected in parallel;

[0006] The 2 ports of the first load cell connector, the 2 ports of the second load cell connector, the 2 ports of the third load cell connector, the 2 ports of the fourth load cell connector, the 2 ports of the first connector and the 2 ports of the speed sensor connector are connected in parallel;

[0007] The four ports of the first load cell connector, the four ports of the second load cell connector, the four ports of the third load cell connector, the four ports of the fourth load cell connector, the four ports of the first connector and the four ports of the speed sensor connector are connected in parallel;

[0008] The 6 ports of the first load cell connector are electrically connected to the 4 pins of the second chip U2, the 6 ports of the second load cell connector are electrically connected to the 4 pins of the third chip U3, the 6 ports of the third load cell connector are electrically connected to the 4 pins of the fourth chip U4, the 6 ports of the fourth load cell connector are electrically connected to the 4 pins of the fifth chip U5, and the 6 ports of the speed sensor connector are electrically connected to the 4 pins of the sixth chip U6;

[0009] Port 1 of the first connector is connected in series with a fuse F1 and a resistor R1, and is connected to a first power source, one end of a capacitor C1, and pin 1 of a first chip U1; the other end of the capacitor C1 is connected to port 5 of the first connector, pin 2 of the first chip U1, and one end of a capacitor C2; the other end of the capacitor C2 is connected to pin 3 of the first chip U1 and one end of a fuse F2; the other end of the fuse F2 is connected to an input end of a 5V double overvoltage module, a second power source, pin 5 of a second chip U2, pin 6 of a third chip U3, pin 7 of a fourth chip U4, pin 8 of a fifth chip U5, and pin 5 of a sixth chip U6;

[0010] The input end of the 5V double overvoltage module includes a first input end and a second input end, the first input end is connected in parallel with a 5V power supply, an output end of a voltage regulator tube D1, a pin 2 of a thyristor Q1 and one end of a switch J3, the input end of the voltage regulator tube D1 is connected in parallel with one end of a resistor R11, one end of a capacitor C11 and one end of a resistor R12, the other end of the resistor R12 is electrically connected to pin 3 of the thyristor Q1, the other end of the switch J3 is connected in parallel with the output end of the voltage regulator tube D2 and pin 2 of the thyristor Q2, the input end of the voltage regulator tube D2 is connected in parallel with one end of a capacitor R13, one end of a capacitor C12 and one end of a resistor R14, the other end of the resistor R14 is electrically connected to pin 3 of the thyristor Q2; the other end of the resistor R11, the other end of the capacitor C11, pin 1 of the thyristor, the other end of the resistor R13, the other end of the capacitor C12, and pin 1 of the thyristor Q2 are connected in parallel with the second input end and then grounded. Further, the three ports of the first load cell connector, the three ports of the second load cell connector, the three ports of the third load cell connector, the three ports of the fourth load cell connector, the three ports of the first connector and the three ports of the speed sensor connector are connected in parallel.

[0011] Further, the 5-port of the first weighing sensor connector, the 5-port of the second weighing sensor connector, the 5-port of the third weighing sensor connector, the 5-port of the fourth weighing sensor connector, the 5-port of the first connector and the 5-port of the speed sensor connector are connected in parallel and then grounded.

[0012] Furthermore, a resistor R7 is connected in series between the second power supply and pin 5 of the second chip U2, a resistor R8 is connected in series between the second power supply and pin 6 of the third chip U3, a resistor R5 is connected in series between the second power supply and pin 7 of the fourth chip U4, a resistor R6 is connected in series between the second power supply and pin 8 of the fifth chip U5, and a resistor R9 is connected in series between the second power supply and pin 5 of the sixth chip U6.

[0013] Furthermore, a resistor R15 is connected in series between the 6-port of the first weighing sensor connector and the 4-pin of the second chip U2, a resistor R16 is connected in series between the 6-port of the second weighing sensor connector and the 4-pin of the third chip U3, a resistor R17 is connected in series between the 6-port of the third weighing sensor connector and the 4-pin of the fourth chip U4, a resistor R18 is connected in series between the 6-port of the fourth weighing sensor connector and the 4-pin of the fifth chip U5, and a resistor R19 is connected in series between the 6-port of the speed sensor connector and the 4-pin of the sixth chip U6.

[0014] Further, pin 1 of the second chip U2 is connected in series with the first interface P1 and then integrated into the second power supply, pin 1 of the third chip U3 is connected in series with the second interface P2 and then integrated into the second power supply, pin 1 of the fourth chip U4 is connected in series with the third interface P3 and then integrated into the second power supply, pin 1 of the fifth chip U5 is connected in series with the fourth interface P4 and then integrated into the second power supply, and pin 1 of the sixth chip U6 is connected in series with the fifth interface P5 and then integrated into the second power supply.

[0015] Furthermore, a resistor R3 is connected in parallel between port 2 of the first connector and port 4 of the first connector.

[0016] Furthermore, the models of the voltage regulator tube D1 and the voltage regulator tube D2 are MM1Z5V6; the models of the thyristor Q1 and the thyristor Q2 are MCR106-6.

[0017] Furthermore, the model of the first chip U1 is CJ7805.

[0018] Furthermore, the models of the second chip U2, the third chip U3, the fourth chip U4, the fifth chip U5 and the sixth chip U6 are HS1527.

[0019] The beneficial effects of the present invention compared with the prior art are as follows:

[0020] 1. The utility model has the function of explosion-proof, which can effectively improve the circuit performance of the belt scale collector of the utility model;

[0021] 2. The utility model is a digital sensor with an addressing function, which can realize arbitrary replacement of sensors and achieve plug-and-play. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] Figure 1 It is a schematic diagram of the circuit structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the circuit connection relationship of the first chip to the sixth chip of the utility model;

[0025] Figure 3 It is a schematic diagram of the circuit structure between the first connector and the belt scale sensor of the utility model;

[0026] Figure 4 It is a schematic diagram of the circuit structure between the first connector and the 5V double overvoltage module of the utility model;

[0027] Figure 5 The figure is a schematic diagram of the circuit structure of the 5V double overvoltage module of the utility model. DETAILED DESCRIPTION

[0028] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0029] like Figures 1 to 5 As shown, the utility model provides a mining explosion-proof and intrinsically safe digital belt scale collector, including several sensor connectors, the sensor connectors include a first weighing sensor connector, a second weighing sensor connector, a third weighing sensor connector, a fourth weighing sensor connector, a speed sensor connector and a first connector. Port 1 of the first weighing sensor connector, port 1 of the second weighing sensor connector, port 1 of the third weighing sensor connector, port 1 of the fourth weighing sensor connector and port 1 of the speed sensor connector are connected in parallel.

[0030] Port 2 of the first load cell connector is connected in parallel with port 2 of the second load cell connector, port 2 of the third load cell connector, port 2 of the fourth load cell connector, port 2 of the first connector, port 2 of the speed sensor connector, one end of resistor R4 and one end of resistor R3, and the other end of resistor R4 is connected to a 5V power supply; port 3 of the first load cell connector, port 3 of the second load cell connector, port 3 of the third load cell connector, port 3 of the fourth load cell connector, port 3 of the first connector and port 3 of the speed sensor connector are connected in parallel; port 4 of the first load cell connector is connected in parallel with port 4 of the second load cell connector, port 4 of the third load cell connector, port 4 of the fourth load cell connector, port 4 of the first connector, port 4 of the speed sensor connector, The other end of the resistor R3 and one end of the resistor R2; the 5-port of the first weighing sensor connector, the 5-port of the second weighing sensor connector, the 5-port of the third weighing sensor connector, the 5-port of the fourth weighing sensor connector, the 5-port of the first connector, the 5-port of the speed sensor connector and the other end of the resistor R2 are connected in parallel and then grounded; the 6-port of the first weighing sensor connector is connected in series with the resistor R15 and then connected to the 4-pin of the second chip U2, the 6-port of the second weighing sensor connector is connected in series with the resistor R16 and then connected to the 4-pin of the third chip U3, the 6-port of the third weighing sensor connector is connected in series with the resistor R17 and then connected to the 4-pin of the fourth chip U4, the 6-port of the fourth weighing sensor connector is connected in series with the resistor R18 and then connected to the 4-pin of the fifth chip U5, and the 6-port of the speed sensor connector is connected in series with the resistor R19 and then connected to the 4-pin of the sixth chip U6;

[0031] Port 1 of the first connector is connected in series with fuse F1 and resistor R1, and is then connected to a 12V power supply, one end of capacitor C1 and pin 1 of the first chip U1; the other end of capacitor C1 is connected to port 5 of the first connector, pin 2 of the first chip U1 and one end of capacitor C2; the other end of capacitor C2 is connected to pin 3 of the first chip U1 and one end of fuse F2; the other end of fuse F2 is connected to the input end of a 5V double overvoltage module, a 5V power supply, one end of resistor R7, one end of resistor R8, one end of resistor R5, one end of resistor R6, one end of resistor R9, three ports of the first interface P1, one end of capacitor C7, pin 2 of the second chip U2, three ports of the second interface P2, one end of capacitor C8, and the third chip 2 pins of U3, 3 ports of the third interface P3, one end of capacitor C4, 2 pins of the fourth chip U4, 2 pins of the fifth chip U5, 3 ports of the fourth interface P4, one end of capacitor C5, 2 pins of the fifth chip U5, 2 pins of the sixth chip U6, 3 ports of the fifth interface P5, one end of capacitor C6, 2 pins of the sixth chip U6; the other end of capacitor C7 is connected in parallel with 3 pins of the second chip U2 and then grounded, the other end of capacitor C8 is connected in parallel with 3 pins of the third chip U3 and then grounded, the other end of capacitor C4 is connected in parallel with 3 pins of the fourth chip U4 and then grounded, the other end of capacitor C5 is connected in parallel with 3 pins of the fifth chip U5 and then grounded, and the other end of capacitor C6 is connected in parallel with 3 pins of the sixth chip U6 and then grounded.

[0032] The other three ports of the first interface P1 are each connected in series with a resistor and then connected to pin 1 of the second chip U2, the other three ports of the second interface P2 are each connected in series with a resistor and then connected to pin 1 of the third chip U3, the other three ports of the third interface P3 are each connected in series with a resistor and then connected to pin 1 of the fourth chip U4, the other three ports of the fourth interface P4 are each connected in series with a resistor and then connected to pin 1 of the fifth chip U5, and the other three ports of the fifth interface P5 are each connected in series with a resistor and then connected to pin 1 of the sixth chip U6;

[0033] Pins 6 to 8 of the second chip U2 are connected in parallel and then grounded; pins 5, 7 and 8 of the third chip U3 are connected in parallel and then grounded; pins 5 to 6 and 8 of the fourth chip U4 are connected in parallel and then grounded; pins 5 to 7 of the fifth chip U5 are connected in parallel and then grounded; pins 6 to 8 of the sixth chip U6 are connected in parallel and then grounded.

[0034] The input end of the 5V double overvoltage module includes a first input end and a second input end. The first input end is connected in parallel to a 5V power supply, an output end of a voltage regulator tube D1, a pin 2 of a thyristor Q1 and one end of a switch J3. The input end of the voltage regulator tube D1 is connected in parallel to one end of a resistor R11, one end of a capacitor C11 and one end of a resistor R12. The other end of the resistor R12 is electrically connected to pin 3 of the thyristor Q1. The other end of the switch J3 is connected in parallel to the output end of the voltage regulator tube D2 and pin 2 of the thyristor Q2. The input end of the voltage regulator tube D2 is connected in parallel to one end of a capacitor R13, one end of a capacitor C12 and one end of a resistor R14. The other end of the resistor R14 is electrically connected to pin 3 of the thyristor Q2. The other end of the resistor R11, the other end of the capacitor C11, pin 1 of the thyristor, the other end of the resistor R13, the other end of the capacitor C12 and pin 1 of the thyristor Q2 are connected in parallel to the second input end and then grounded.

[0035] The models of the voltage regulator tube D1 and the voltage regulator tube D2 are MM1Z5V6; the models of the thyristor Q1 and the thyristor Q2 are MCR106-6; the model of the first chip U1 is CJ7805; the model of the second chip U2, the third chip U3, the fourth chip U4, the fifth chip U5 and the sixth chip U6 are HS1527.

[0036] The 6 ports of the first weighing sensor connector, the 6 ports of the second weighing sensor connector, the 6 ports of the third weighing sensor connector, the 6 ports of the fourth weighing sensor connector, and the 6 ports of the speed sensor connector of the utility model are address signal input ports, and the above sensors can be plug-and-play through the address signal input ports without manually setting the address. The setting of the dual overvoltage protection circuit of the utility model plays an explosion-proof role, making the circuit structure of the belt scale collector of the utility model more stable, and effectively improving the circuit performance of the belt scale collector of the utility model.

[0037] Regarding the specific structure of the utility model, it should be explained that the connection relationship between the various component modules adopted in the utility model is definite and feasible. Except for special instructions in the embodiments, the specific connection relationship can bring corresponding technical effects and solve the technical problems raised by the utility model without relying on the execution of corresponding software programs. The components, modules, models of specific components and the connection methods between each other appearing in the utility model, as well as the conventional use methods and expected technical effects brought about by the above-mentioned technical features, except for specific instructions, all belong to the disclosed contents in patents, journal articles, technical manuals, technical dictionaries, and textbooks that can be obtained by technical personnel in this field before the application date, or belong to the existing technologies such as conventional technologies and common knowledge in this field, and there is no need to elaborate, so that the technical solution provided in this case is clear, complete and feasible, and the corresponding physical products can be reproduced or obtained according to the technical means.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A flameproof and intrinsically safe digital belt scale collector for mining, including connectors for several sensors, characterized in that: The connectors of the sensor include a first load cell connector, a second load cell connector, a third load cell connector, a fourth load cell connector, a speed sensor connector and a first connector; Port 1 of the first load cell connector, port 1 of the second load cell connector, port 1 of the third load cell connector, port 1 of the fourth load cell connector and port 1 of the speed sensor connector are connected in parallel; The 2 ports of the first load cell connector, the 2 ports of the second load cell connector, the 2 ports of the third load cell connector, the 2 ports of the fourth load cell connector, the 2 ports of the first connector and the 2 ports of the speed sensor connector are connected in parallel; The 4 ports of the first load cell connector, the 4 ports of the second load cell connector, the 4 ports of the third load cell connector, the 4 ports of the fourth load cell connector, the 4 ports of the first connector and the 4 ports of the speed sensor connector are connected in parallel; the 6 ports of the first load cell connector are electrically connected to the 4 pins of the second chip U2, the 6 ports of the second load cell connector are electrically connected to the 4 pins of the third chip U3, the 6 ports of the third load cell connector are electrically connected to the 4 pins of the fourth chip U4, the 6 ports of the fourth load cell connector are electrically connected to the 4 pins of the fifth chip U5, and the 6 ports of the speed sensor connector are electrically connected to the 4 pins of the sixth chip U6; Port 1 of the first connector is connected in series with a fuse F1 and a resistor R1, and is connected to a first power source, one end of a capacitor C1, and pin 1 of a first chip U1; the other end of the capacitor C1 is connected to port 5 of the first connector, pin 2 of the first chip U1, and one end of a capacitor C2; the other end of the capacitor C2 is connected to pin 3 of the first chip U1 and one end of a fuse F2; the other end of the fuse F2 is connected to an input end of a 5V double overvoltage module, a second power source, pin 5 of a second chip U2, pin 6 of a third chip U3, pin 7 of a fourth chip U4, pin 8 of a fifth chip U5, and pin 5 of a sixth chip U6; The input end of the 5V double overvoltage module includes a first input end and a second input end, the first input end is connected in parallel with a 5V power supply, an output end of a voltage regulator tube D1, a pin 2 of a thyristor Q1 and one end of a switch J3, the input end of the voltage regulator tube D1 is connected in parallel with one end of a resistor R11, one end of a capacitor C11 and one end of a resistor R12, the other end of the resistor R12 is electrically connected to pin 3 of the thyristor Q1, the other end of the switch J3 is connected in parallel with the output end of the voltage regulator tube D2 and pin 2 of the thyristor Q2, the input end of the voltage regulator tube D2 is connected in parallel with one end of a capacitor R13, one end of a capacitor C12 and one end of a resistor R14, the other end of the resistor R14 is electrically connected to pin 3 of the thyristor Q2; the other end of the resistor R11, the other end of the capacitor C11, pin 1 of the thyristor, the other end of the resistor R13, the other end of the capacitor C12, and pin 1 of the thyristor Q2 are connected in parallel with the second input end and then grounded.

2. The flameproof and intrinsically safe digital belt scale collector for mining according to claim 1 is characterized in that: The three ports of the first load cell connector, the three ports of the second load cell connector, the three ports of the third load cell connector, the three ports of the fourth load cell connector, the three ports of the first connector and the three ports of the speed sensor connector are connected in parallel.

3. The flameproof and intrinsically safe digital belt scale collector for mining according to claim 1 is characterized in that: Port 5 of the first load cell connector, port 5 of the second load cell connector, port 5 of the third load cell connector, port 5 of the fourth load cell connector, port 5 of the first connector and port 5 of the speed sensor connector are connected in parallel and then grounded.

4. The flameproof and intrinsically safe digital belt scale collector for mining according to claim 1 is characterized in that: A resistor R7 is also connected in series between the second power supply and pin 5 of the second chip U2, a resistor R8 is also connected in series between the second power supply and pin 6 of the third chip U3, a resistor R5 is also connected in series between the second power supply and pin 7 of the fourth chip U4, a resistor R6 is also connected in series between the second power supply and pin 8 of the fifth chip U5, and a resistor R9 is also connected in series between the second power supply and pin 5 of the sixth chip U6.

5. The flameproof and intrinsically safe digital belt scale collector for mining according to claim 1 is characterized in that: A resistor R15 is also connected in series between the 6-port of the first weighing sensor connector and the 4-pin of the second chip U2, a resistor R16 is also connected in series between the 6-port of the second weighing sensor connector and the 4-pin of the third chip U3, a resistor R17 is also connected in series between the 6-port of the third weighing sensor connector and the 4-pin of the fourth chip U4, a resistor R18 is also connected in series between the 6-port of the fourth weighing sensor connector and the 4-pin of the fifth chip U5, and a resistor R19 is also connected in series between the 6-port of the speed sensor connector and the 4-pin of the sixth chip U6.

6. The flameproof and intrinsically safe digital belt scale collector for mining according to claim 1, characterized in that: Pin 1 of the second chip U2 is connected in series with the first interface P1 and then integrated into the second power supply, pin 1 of the third chip U3 is connected in series with the second interface P2 and then integrated into the second power supply, pin 1 of the fourth chip U4 is connected in series with the third interface P3 and then integrated into the second power supply, pin 1 of the fifth chip U5 is connected in series with the fourth interface P4 and then integrated into the second power supply, and pin 1 of the sixth chip U6 is connected in series with the fifth interface P5 and then integrated into the second power supply.

7. The flameproof and intrinsically safe digital belt scale collector for mining according to claim 1, characterized in that: A resistor R3 is connected in parallel between the port 2 of the first connector and the port 4 of the first connector.

8. The flameproof and intrinsically safe digital belt scale collector for mining according to claim 1, characterized in that: The models of the voltage regulator tube D1 and the voltage regulator tube D2 are MM1Z5V6; the models of the thyristor Q1 and the thyristor Q2 are MCR106-6.

9. The flameproof and intrinsically safe digital belt scale collector for mining according to claim 1, characterized in that: The model of the first chip U1 is CJ7805.

10. The flameproof and intrinsically safe digital belt scale collector for mining according to claim 1, characterized in that: The models of the second chip U2, the third chip U3, the fourth chip U4, the fifth chip U5 and the sixth chip U6 are HS1527.

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