CN216929898U - Brake control system suitable for cold-rolled steel coil production line - Google Patents
Brake control system suitable for cold-rolled steel coil production line Download PDFInfo
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- CN216929898U CN216929898U CN202123449421.7U CN202123449421U CN216929898U CN 216929898 U CN216929898 U CN 216929898U CN 202123449421 U CN202123449421 U CN 202123449421U CN 216929898 U CN216929898 U CN 216929898U
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Abstract
The utility model discloses a brake control system suitable for a cold-rolled steel plate production line, which comprises the following components: the main power supply, the control protection unit, the rectification unit, the transformer TC and the brake coil YA; the rectification unit is respectively connected with the transformer TC and the brake coil YA, and the control protection unit is respectively connected with the main power supply, the transformer TC, the rectification unit and the brake coil YA. The brake control system suitable for the cold-rolled steel coil production line provided by the embodiment of the utility model is provided with the control protection unit to correspondingly control and protect the connecting line of the transformer TC and the brake coil YA, so that the brake coil YA can stably run for a long time, the stability and the reliability of the brake effect are greatly improved, the potential accident hazard and the shutdown event are avoided, the smooth running of the production work is ensured, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to the field of electrical control, in particular to a brake control system suitable for a cold-rolled steel plate production line.
Background
Braking is commonly called 'braking'. In the field of metallurgical industrial equipment, the mechanical rotating equipment is stopped or decelerated during operation. The general principle of braking is that a wheel or a disc is fixed on a high-speed shaft of the machine, a brake shoe, a belt or a disc which is matched with the wheel or the disc is arranged on a machine base, and the wheel or the disc generates braking torque under the action of external force; the brake control system is a system for controlling a brake device by applying a control theory and a method so as to achieve the expected purpose.
The existing unit control system provides an alternating current 220 power supply in an electric disc cabinet, the alternating current 220 power supply is supplied to a field brake module through an air switch and a contactor, and the brake module finally controls a coil of a brake by direct current 30V voltage after transformation and rectification so as to generate brake torque to achieve the purpose of controlling the brake; however, under the influence of severe working environment and perennial uninterrupted operation, the voltage output by the rectifier module is extremely easy to be unstable and burnt, so that the unit is shut down. The production stability and the product quality are greatly influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of related products in the prior art, the utility model provides a brake control system suitable for a cold-rolled steel plate production line, and solves the problem that the existing brake control system is unstable.
The utility model provides a brake control system suitable for a cold-rolled steel plate production line, which comprises the following components: the brake system comprises a main power supply, a control protection unit, a rectification unit, a transformer TC and a brake coil YA; the rectifying unit is respectively connected with the transformer TC and the brake coil YA, and the control protection unit is respectively connected with the main power supply, the transformer TC, the rectifying unit and the brake coil YA.
In some embodiments of the utility model, the control protection unit comprises switches QF1, QF2, piezoresistors RV1, RV2, switch contacts K3, K4, K5 of contactor KM1 and contactor KM1, switch contacts K1, K2, K6 of contactor KM2 and contactor KM2, a time relay KT and a switch contact KT-1 of time relay KT; the rectifying unit comprises diodes V1, V2, V3, V4, V5 and V6; the input ends of the contactors KM1 and KM2, the time relay KT and the transformer TC are respectively connected in parallel to the L end and the N end of the two ends of a main power supply, wherein the contactor KM1 is connected in series with a switch contact K1 and a switch contact KT-1, the main power supply is connected in series with a switch QF1, and the input end of the transformer TC is sequentially connected in series with switch contacts K3, K4 and K5;
the diodes V1 and V4 are connected in series, the anode of the diode V1 is connected with the cathode of the diode V4 and the switch contact K5 respectively, the cathode of the diode V1, the cathode of the diode V2 and the cathode of the diode V3 are connected in parallel, and the parallel ends of the diodes V1, V2 and V3 are connected with the voltage dependent resistor RV2 and the switch contact K6 respectively; the diodes V2 and V5 are connected in series, and the anode of the diode V2 is connected with the cathode of the diode V5 and one end of the output end of the transformer TC; the diodes V3 and V6 are connected in series, the anode of the diode V3 is connected with the cathode of the diode V6 and the other end of the output end of the transformer TC, the anode of the diode V4, the anode of the diode V5 and the anode of the diode V6 are connected in parallel, and the parallel ends of the diodes V4, V5 and V6 are connected with the piezoresistor RV2 and the switch contact K2 respectively;
the voltage dependent resistors RV1, RV2 and the brake coil YA are connected in parallel, the two ends of the voltage dependent resistor RV1 and the voltage dependent resistor RV2 which are connected in parallel are respectively connected with a switch contact K6 and a switch contact K2, and a switch QF2 is connected between the voltage dependent resistor RV1 and the brake coil YA.
In certain embodiments of the present invention, the switches QF1 and QF2 are manufactured under the model number NB 1-63/C16.
In some embodiments of the utility model, the contactors KM1 and KM2 are of product model CJX 2-2510.
In some embodiments of the utility model, the time relay KT has the product model number JSZ 3.
In some embodiments of the utility model, the piezoresistors RV1 and RV2 are in the product model of MY31/5KA 820V.
In certain embodiments of the present invention, the diodes V1, V2, V3, V4, V5, V6 are of product type ZP20A 1912.
In some embodiments of the present invention, the transformer TC is of the type ndk (bk) -200, the input AC220V, and the output AC 36V.
Compared with the prior art, the utility model has the following advantages:
the brake control system suitable for the cold-rolled steel plate production line provided by the embodiment of the utility model is provided with the control protection unit to correspondingly control and protect the connecting circuit of the transformer TC and the brake coil YA, so that the brake coil YA can be kept to operate stably for a long time, the stability and the reliability of the brake effect are greatly improved, the accident potential and the shutdown event are avoided, the smooth operation of the production work is ensured, and the maintenance cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a brake control system suitable for a cold-rolled steel sheet production line according to the present invention;
FIG. 2 is a schematic diagram of a reference circuit connection of the brake control system applicable to the cold-rolled steel sheet production line according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely illustrative of some, but not all, of the embodiments of the utility model, and that the preferred embodiments of the utility model are shown in the drawings. This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present disclosure is set forth in order to provide a more thorough understanding thereof.
Referring to fig. 1, the brake control system suitable for the cold-rolled steel sheet production line includes a main power supply 100, a control protection unit 200, a rectification unit 300, a transformer TC, and a brake coil YA; the rectifying unit 300 is connected to the transformer TC and the brake coil YA, respectively, and the control protection unit 200 is connected to the main power supply 100, the transformer TC, the rectifying unit 300, and the brake coil YA, respectively.
Referring to fig. 2, the control protection unit 200 includes switches QF1, QF2, voltage dependent resistors RV1, RV2, switch contacts K3, K4, K5 of a contactor KM1 and a contactor KM1, switch contacts K1, K2, K6 of a contactor KM2 and a contactor KM2, a time relay KT, and a switch contact KT-1 of the time relay KT; the rectifying unit 300 includes diodes V1, V2, V3, V4, V5, V6; the input ends of the contactors KM1 and KM2, the time relay KT and the transformer TC are respectively connected in parallel to the L end and the N end of the two ends of the main power supply 100, wherein the contactor KM1 is connected in series with a switch contact K1 and a switch contact KT-1, the main power supply 100 is connected in series with a switch QF1, and the input end of the transformer TC is sequentially connected in series with switch contacts K3, K4 and K5;
the diodes V1 and V4 are connected in series, the anode of the diode V1 is connected with the cathode of the diode V4 and the switch contact K5 respectively, the cathode of the diode V1, the cathode of the diode V2 and the cathode of the diode V3 are connected in parallel, and the parallel ends of the diodes V1, V2 and V3 are connected with the voltage dependent resistor RV2 and the switch contact K6 respectively; the diodes V2 and V5 are connected in series, and the anode of the diode V2 is connected with the cathode of the diode V5 and one end of the output end of the transformer TC; the diodes V3 and V6 are connected in series, the anode of the diode V3 is connected with the cathode of the diode V6 and the other end of the output end of the transformer TC, the anode of the diode V4, the anode of the diode V5 and the anode of the diode V6 are connected in parallel, and the parallel ends of the diodes V4, V5 and V6 are connected with the piezoresistor RV2 and the switch contact K2 respectively;
the voltage dependent resistors RV1, RV2 and the brake coil YA are connected in parallel, the two ends of the voltage dependent resistor RV1 and the voltage dependent resistor RV2 which are connected in parallel are respectively connected with a switch contact K6 and a switch contact K2, and a switch QF2 is connected between the voltage dependent resistor RV1 and the brake coil YA.
In the embodiment of the utility model, the products of the switches QF1 and QF2 are NB 1-63/C16; the product models of the contactors KM1 and KM2 are CJX 2-2510; the product model of the time relay KT is JSZ3, the power-on time delay is realized, and the time delay range is adjustable from 0.3S to 3S; the product models of the piezoresistors RV1 and RV2 are MY31/5KA 820V; the product models of the diodes V1, V2, V3, V4, V5 and V6 are ZP20A 1912; the transformer TC is NDK (BK) -200 in product model, the input AC220V is input, and the output AC36V is output.
The specific working principle of the brake control system applicable to the cold-rolled steel plate production line provided by the embodiment of the utility model is as follows: the method comprises the steps that firstly, a switch QF1 is switched on, when a transmission motor is enabled to rotate, a brake circuit alternating current 220V is transmitted to a control circuit, a main switch QF1 is powered on, a contactor KM2 and a time relay KT are powered on and pulled in, an AC220V supplies DC218V voltage to a brake coil YA through rectification of a rectifier diode and protection of a piezoresistor, when a set time is 0.3S, a KT normally-closed contact KT-1 is disconnected, a KM1 is powered off and disconnected, a transformer TC switches the AC220V into AC36V, the DC34V voltage is supplied to the brake coil YA through protection of the rectifier diode and the piezoresistor, the starting process is finished, and the brake coil YA is in a normal and stable working state after being powered on for a long time.
The brake control system suitable for the cold-rolled steel plate production line provided by the embodiment of the utility model is provided with the control protection unit 200 to correspondingly control and protect the connecting circuit of the transformer TC and the brake coil YA, so that the brake coil YA can be kept to stably operate for a long time, the stability and the reliability of the brake effect are greatly improved, the accident potential and the shutdown event are avoided, the smooth operation of the production work is ensured, and the maintenance cost is reduced.
Those not described in detail in this specification are within the skill of the art. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent changes may be made in some of the features of the embodiments. All equivalent structures made by using the contents of the specification and the attached drawings of the utility model can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the utility model.
Claims (8)
1. The utility model provides a be suitable for brake control system of cold rolling coil of strip production line which characterized in that includes: the brake system comprises a main power supply, a control protection unit, a rectification unit, a transformer TC and a brake coil YA; the rectifying unit is respectively connected with the transformer TC and the brake coil YA, and the control protection unit is respectively connected with the main power supply, the transformer TC, the rectifying unit and the brake coil YA.
2. The brake control system applicable to the cold-rolled steel sheet production line according to claim 1, wherein: the control protection unit comprises switches QF1 and QF2, piezoresistors RV1 and RV2, switch contacts K3, K4 and K5 of a contactor KM1 and a contactor KM1, switch contacts K1, K2 and K6 of a contactor KM2 and a contactor KM2, a time relay KT and a switch contact KT-1 of the time relay KT; the rectifying unit comprises diodes V1, V2, V3, V4, V5 and V6; the input ends of the contactors KM1 and KM2, the time relay KT and the transformer TC are respectively connected in parallel to the L end and the N end of the two ends of a main power supply, wherein the contactor KM1 is connected in series with a switch contact K1 and a switch contact KT-1, the main power supply is connected in series with a switch QF1, and the input end of the transformer TC is sequentially connected in series with switch contacts K3, K4 and K5;
the diodes V1 and V4 are connected in series, the anode of the diode V1 is connected with the cathode of the diode V4 and the switch contact K5 respectively, the cathode of the diode V1, the cathode of the diode V2 and the cathode of the diode V3 are connected in parallel, and the parallel ends of the diodes V1, V2 and V3 are connected with the voltage dependent resistor RV2 and the switch contact K6 respectively; the diodes V2 and V5 are connected in series, and the anode of the diode V2 is connected with the cathode of the diode V5 and one end of the output end of the transformer TC; the diodes V3 and V6 are connected in series, the anode of the diode V3 is connected with the cathode of the diode V6 and the other end of the output end of the transformer TC, the anode of the diode V4, the anode of the diode V5 and the anode of the diode V6 are connected in parallel, and the parallel ends of the diodes V4, V5 and V6 are connected with the piezoresistor RV2 and the switch contact K2 respectively;
the voltage dependent resistors RV1, RV2 and the brake coil YA are connected in parallel, the two ends of the voltage dependent resistor RV1 and the voltage dependent resistor RV2 which are connected in parallel are respectively connected with a switch contact K6 and a switch contact K2, and a switch QF2 is connected between the voltage dependent resistor RV1 and the brake coil YA.
3. The brake control system applicable to the cold-rolled steel sheet production line according to claim 2, wherein: the product models of the switches QF1 and QF2 are NB 1-63/C16.
4. The brake control system applicable to the cold-rolled steel sheet production line according to claim 2, wherein: the product models of the contactors KM1 and KM2 are CJX 2-2510.
5. The brake control system applicable to the cold-rolled steel sheet production line according to claim 2, wherein: the product model of the time relay KT is JSZ 3.
6. The brake control system applicable to the cold-rolled steel sheet production line according to claim 2, wherein: the product models of the piezoresistors RV1 and RV2 are MY31/5KA 820V.
7. The brake control system applicable to the cold-rolled steel sheet production line according to claim 2, wherein: the product model of the diodes V1, V2, V3, V4, V5 and V6 is ZP20A 1912.
8. The brake control system applicable to the cold-rolled steel sheet production line according to claim 2, wherein: the transformer TC is NDK (BK) -200 in product model, the input AC220V is input, and the output AC36V is output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123449421.7U CN216929898U (en) | 2021-12-31 | 2021-12-31 | Brake control system suitable for cold-rolled steel coil production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123449421.7U CN216929898U (en) | 2021-12-31 | 2021-12-31 | Brake control system suitable for cold-rolled steel coil production line |
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| Publication Number | Publication Date |
|---|---|
| CN216929898U true CN216929898U (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123449421.7U Active CN216929898U (en) | 2021-12-31 | 2021-12-31 | Brake control system suitable for cold-rolled steel coil production line |
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| Country | Link |
|---|---|
| CN (1) | CN216929898U (en) |
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2021
- 2021-12-31 CN CN202123449421.7U patent/CN216929898U/en active Active
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