CN202871435U - Air-quantity self-adaption, low-noise and energy-saving-type urban rail locomotive brake resistor device - Google Patents
Air-quantity self-adaption, low-noise and energy-saving-type urban rail locomotive brake resistor device Download PDFInfo
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- CN202871435U CN202871435U CN 201220381358 CN201220381358U CN202871435U CN 202871435 U CN202871435 U CN 202871435U CN 201220381358 CN201220381358 CN 201220381358 CN 201220381358 U CN201220381358 U CN 201220381358U CN 202871435 U CN202871435 U CN 202871435U
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Abstract
The utility model relates to an air-quantity self-adaption, low-noise and energy-saving-type urban rail locomotive brake resistor device which comprises a fan, a transition air duct, an resistor cabinet, an air discharge cylinder, a mounting support, a junction box and a monitoring device. The air-quantity self-adaption, low-noise and energy-saving-type urban rail locomotive brake resistor device is characterized in that the air quantity of the fan can automatically adapt to the temperature variation of the brake resistor; a discrete-type resistor frame structure is adopted for the resistor cabinet; a metal resistor sheet with reinforcing ribs is adopted as a resistor sheet in the resistor frame; the resistor frame is provided with a rolling wheel and has an installation mode of laterally extracting and pulling; resistor elements and an external circuit are connected so as to form a bridge circuit, and a brake resistor temperature signal is provided for the monitoring device; a mixed-flow fan with a variable clearance between an impellor and the air cylinder is adopted as the fan; and the rotation speed of a motor is controlled by the temperature of the resistor elements, and variable cooling air quantity can be provided for the brake resistor so as to restrain the temperature rising of the brake resistor. Locomotive vehicle electric brake time occupies a low proportion in the total running time; the fan operates for a short time at high rotation speed; and the brake resistor is low in total energy consumption and is low in noise.
Description
Technical field
The utility model relates to a kind of city gage locomotive braking resistor, relates in particular to a kind of air quantity self adaptation, low noise, energy-saving city gage locomotive braking resistor.
Background technology
The city gage locomotive is when electric braking, and the temperature that the opening of braking resistor can make resistive element raises, and its temperature rise value depends on the working form etc. of area of dissipation, cooling wind speed and the brake resistance of resistive element material, brake resistance.For the city gage locomotive vehicle of power and resistance restriction, because the brake resistance limited space forces the mode of cooling more common with blower fan.Generally adopt at present the constant blower fan of air quantity, for the needs that work, it is high that the air quantity of this type of blower fan is wanted, so its rotating speed, energy consumption and noise are all larger, truly have necessity of improvement.
Summary of the invention
The purpose of this utility model is to provide a kind of air quantity self adaptation, low noise, energy-saving city gage locomotive braking resistor, to solve existing cooling blower because of the constant noise that is caused of air quantity and energy consumption is bigger than normal, cooling air quantity is not suitable with the brake resistance temperature variation issue.
The so-called a kind of air quantity self adaptation of the utility model, low noise, energy-saving city gage locomotive braking resistor, it comprises blower fan, transition air channel, resistor box, chimney fan, mounting bracket, terminal box and supervising device, it is characterized in that:
Described blower fan is Mixed flow Fan, and it is comprised of motor, impeller and air duct, and motor wherein is 4 utmost points, 6 utmost points or 2 utmost points, 4 utmost point double-speed motors, and the Variable of impeller wherein and air duct;
Be connected with screw is affixed successively between described transition air channel, resistor box and the chimney fan, form the cooling air channel of brake resistance;
Described resistor box adopts discrete resistance frame structure, multi-disc resistor disc in the resistance frame is the metallic resistance sheet of medial and lateral band reinforcement, and each resistor disc all is parallel to the cooling air direction, mounting guide rail is fixed on the above and below of described resistor box by porcelain vase, and resistor box is then realized by roller and mounting guide rail that the side-pulling formula is rolled and installed;
Described mounting bracket is positioned at the top of resistor box, links to each other with screw between the upper cover plate of mounting bracket and resistor box, also has 6 mounting holes are installed on the mounting bracket, can adopt the hook lifting mode to be installed in bottom of frame;
Contain some cable fixing heads in described terminal box and the supervising device, also have binding post TB and TX2 and 3 often to open 1 normally closed A.C. contactor KM1,3 and often open 1 normally closed A.C. contactor KM2,3 and often open 1 normally closed A.C. contactor KM3, and temperature comparator and triode.
The invention has the beneficial effects as follows: can obtain the temperature variations of braking resistor grid and the operating state of regulating accordingly motor in the blower fan by supervising device, when the resistive element temperature of brake resistance reached predetermined peak, motor speed also reached maximum; After the vehicle stop braking, braking resistor is closed, resistive element temperature thereby decline, fan delivery reduces thereupon, until motor is got back to the minimum speed state, this has obtained realization with regard to the self adaptation that shows the brake resistance cooling air quantity, and under non-peak value motor speed, the noise of package unit and energy consumption have also obtained obvious reduction.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of the utility model resistance frame.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the B-B cutaway view of Fig. 3.
Fig. 5, Fig. 6 are motor conversion and control electrical schematic diagrams of the present utility model.
Among the figure: 1-blower fan, 2-transition air channel, 3-resistor box, the 4-chimney fan, 5-mounting bracket, 6-terminal box, the 7-supervising device, 8-roller, 9-resistor disc, the 10-porcelain knob, 11-insulator, 12-micarex, the 13-terminal, 14-fixed lever, KM1 and KM2 and KM3-3 are often driven 1 normally closed A.C. contactor, JX2 and TB-binding post, the M-motor.
Embodiment
Present embodiment comprises blower fan 1, transition air channel 2, resistor box 3, chimney fan 4, mounting bracket 5, terminal box 6 and supervising device 7 as a kind of air quantity self adaptation, low noise, energy-saving city gage locomotive braking resistor.It is characterized in that: use successively bolted between transition air channel 2, resistor box 3 and the chimney fan 4, be connected, consist of brake resistance cooling air air channel, cooling air is by blower fan 1 air intake, pour into resistor box through transition air channel 2 and make the brake resistance cooling, by chimney fan 4 cooling air is discharged again.Mounting bracket 5 is positioned at resistor box 3 tops, links together with screw with resistor box 3 upper cover plates.6 mounting holes are arranged on the mounting bracket, use hook to lift the bottom of frame that is installed to rolling stock, fastening by 6 mounting holes.Supervising device 7 and terminal box 6 use screw fastening on side plate all in resistor box 3 one sides.Terminal box 6 has 4 cable fixing heads, and it is the passage that resistance in the resistor box of brake resistance is connected into locomotive circuit.Supervising device also has 3 cable fixing heads, and 1 is the passage of access locomotive circuit, and 1 is the passage that connects the brake resistance blower fan, and 1 is the passage that brake resistance bridge circuit detection signal enters.
The resistive element that accompanying drawing 2,3,4 has provided embodiment is the structural representation of resistance frame.Resistance frame places in the resistor box, by terminal 12 resistance frame is connected into a resistance; Micarex 13 is determined the profile of resistance frame, and fixed lever 14 is fixed the position of resistor disc 9, and insulator 11 cooperates the spacing of resistor disc 9, and micarex 13, insulator 11 have formed the primary insulation structure of resistive element; Porcelain knob 10 fixed resistance sheets make each resistor disc smooth, prevent because of temperature distortion.Roller 8 is used for the rolling of resistance frame to be installed, and easy for removal and installation, mounting guide rail is fixed on the resistor box top and bottom with porcelain vase.The metallic resistance sheet that resistor disc 9 adopts with reinforcement, resistor disc is parallel to the cooling air direction, is conducive to improve the heat exchange efficiency of resistive element.
The blower fan 1 of present embodiment is comprised of double-speed motor, impeller and air duct, and the impeller of blower fan and air duct Variable are a kind of Mixed flow Fans.Double-speed motor is the motor with two kinds of rotating speeds, is respectively 2 utmost point motor speeds and 4 utmost point motor speeds, and rolling stock provides the working power of motor, and the rotating speed of motor is by the resistive element temperature control of brake resistance.The resistive element temperature of brake resistance is to process acquisition by 7 pairs of bridge circuit detection signals of supervising device, and supervising device 7 provides the 110V power supply by rolling stock, and is responsible for offering rolling stock overtemperature alarm signal.The bridge circuit detection signal is obtained by the resistance bridge poised state that the detection resistive element consists of, and the resistive element temperature is worked by 2 grades of control conversion regime controls, 4 utmost point double-speed motors, realizes that the air quantity of blower fan adapts to the brake resistance variations in temperature automatically.
The control transfer process of blower fan comprises:
When 1, rolling stock was worked, the external power source signal of brake resistance was high level.During the rolling stock electric braking, the resistive element temperature raises, and rises to maximum temperature values always.After stopping braking, the resistive element temperature reduces rapidly.
2, the resistive element temperature is less than threshold temperature, temperature comparator output high level, the triode cut-off, circuit 1 disconnects, 3 often open 1 normally closed A.C. contactor KM1 and KM3 line bag not electric, its corresponding main contact is often opened, auxiliary contact is normally closed; In the circuit 23 often open 1 normally closed A.C. contactor KM2 line bag therefore electric, circuit 2 conductings, the KM2 main contact is closed.3 often open 1 normally closed A.C. contactor KM1 and therefore disconnection of KM3, and KM2 is closed, and machine operation is in 4 utmost point mode of operations, and rotation speed of fan is lower, and air quantity is little, energy consumption is low, noise is low.
3, the resistive element temperature is greater than threshold temperature, the temperature comparator output low level, and the triode conducting, circuit 1 conducting, 3 often open 1 normally closed A.C. contactor KM1 and KM3 line Bao Dedian, and its corresponding main contact is closed, and auxiliary contact disconnects; 3 often open 1 normally closed A.C. contactor KM2 line bag and disconnect not electricly because of KM1 and KM3 auxiliary contact in the circuit 2, and circuit 2 disconnects, and 3 often open 1 normally closed A.C. contactor KM2 main contact disconnection.3 often open 1 normally closed A.C. contactor KM1 and KM3 so closed, and KM2 disconnects, and machine operation is in 2 utmost point mode of operations, and rotation speed of fan is higher, and air quantity is large, energy consumption is large, noise is large.
4, initial condition, brake resistance is not worked, and the resistive element temperature is very low, and much smaller than threshold temperature, by 2 state processing, machine operation is in 4 utmost point mode of operations.
It is less that the rolling stock electric braking time accounts for total run time proportion, the resistive element temperature rise to threshold temperature and greater than time of threshold temperature still less, the time proportion of said process 3 states is few, blower motor is under 4 utmost point mode of operations for a long time, the energy consumption of braking resistor is low, and noise is low.
Claims (1)
1. an air quantity self adaptation, low noise, energy-saving city gage locomotive braking resistor, it comprises blower fan (1), transition air channel (2), resistor box (3), chimney fan (4), mounting bracket (5), terminal box (6) and supervising device (7), it is characterized in that:
Described blower fan (1) is Mixed flow Fan, and it is comprised of motor, impeller and air duct, and motor wherein is 4 utmost points, 6 utmost points or 2 utmost points, 4 utmost point double-speed motors, and the Variable of impeller wherein and air duct;
Be connected with screw is affixed successively between described transition air channel (2), resistor box (3) and the chimney fan (4), form the cooling air channel of brake resistance;
Described resistor box (3) adopts discrete resistance frame structure, multi-disc resistor disc (9) in the resistance frame is the metallic resistance sheet of medial and lateral band reinforcement, and each resistor disc (9) all is parallel to the cooling air direction, mounting guide rail is fixed on the above and below of described resistor box (3) by porcelain vase, and resistor box (3) is then realized by roller (8) and mounting guide rail that the side-pulling formula is rolled and installed;
Described mounting bracket (5) is positioned at the top of resistor box (3), links to each other with screw between the upper cover plate of mounting bracket (5) and resistor box (3), and mounting bracket (5) is upper to also have 6 mounting holes are installed, and can adopt the hook lifting mode to be installed in bottom of frame;
Contain some cable fixing heads in described terminal box (6) and the supervising device (7), also have binding post TB, the terminal JX2 and 3 that continues often to open 1 normally closed A.C. contactor KM1,3 and often open 1 normally closed A.C. contactor KM2,3 and often open 1 normally closed A.C. contactor KM3, and temperature comparator and triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381358 CN202871435U (en) | 2012-08-03 | 2012-08-03 | Air-quantity self-adaption, low-noise and energy-saving-type urban rail locomotive brake resistor device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381358 CN202871435U (en) | 2012-08-03 | 2012-08-03 | Air-quantity self-adaption, low-noise and energy-saving-type urban rail locomotive brake resistor device |
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| Publication Number | Publication Date |
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| CN202871435U true CN202871435U (en) | 2013-04-10 |
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| CN 201220381358 Expired - Lifetime CN202871435U (en) | 2012-08-03 | 2012-08-03 | Air-quantity self-adaption, low-noise and energy-saving-type urban rail locomotive brake resistor device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475279A (en) * | 2013-09-06 | 2013-12-25 | 南车株洲电力机车有限公司 | Brake resistor fan control method and device |
| CN104454611A (en) * | 2014-12-01 | 2015-03-25 | 南车株洲电力机车有限公司 | Rail transit vehicle, and brake resistor blower control system thereof and method |
| CN103223952B (en) * | 2013-05-22 | 2015-09-09 | 南车资阳机车有限公司 | A kind of locomotive rheostatic brake erecting device |
| CN106364329A (en) * | 2016-08-29 | 2017-02-01 | 中车大连机车车辆有限公司 | Modular brake resistor device |
| CN106895105A (en) * | 2017-03-14 | 2017-06-27 | 湘潭市恒创电气设备有限公司 | Damping shock absorption component and its application |
| CN108922724A (en) * | 2018-08-24 | 2018-11-30 | 中国科学院合肥物质科学研究院 | A kind of adjustable high-energy shifting energy resistance system based on ceramic resistor |
| RU204267U1 (en) * | 2020-12-30 | 2021-05-17 | Общество с ограниченной ответственностью "ПЕНЗЕНСКИЙ ЗАВОД ТЕЛЕМА ГИНО" | Brake resistor |
| WO2021139246A1 (en) * | 2020-01-09 | 2021-07-15 | 西安铁路信号有限责任公司 | 160 km alternating-current transmission internal combustion locomotive brake resistor and noise reduction method |
-
2012
- 2012-08-03 CN CN 201220381358 patent/CN202871435U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223952B (en) * | 2013-05-22 | 2015-09-09 | 南车资阳机车有限公司 | A kind of locomotive rheostatic brake erecting device |
| CN103475279A (en) * | 2013-09-06 | 2013-12-25 | 南车株洲电力机车有限公司 | Brake resistor fan control method and device |
| CN103475279B (en) * | 2013-09-06 | 2016-06-01 | 南车株洲电力机车有限公司 | A kind of brake resistor fan control method and device |
| CN104454611A (en) * | 2014-12-01 | 2015-03-25 | 南车株洲电力机车有限公司 | Rail transit vehicle, and brake resistor blower control system thereof and method |
| CN106364329A (en) * | 2016-08-29 | 2017-02-01 | 中车大连机车车辆有限公司 | Modular brake resistor device |
| CN106895105A (en) * | 2017-03-14 | 2017-06-27 | 湘潭市恒创电气设备有限公司 | Damping shock absorption component and its application |
| CN106895105B (en) * | 2017-03-14 | 2020-02-07 | 湖南恒创开拓电气有限公司 | Damping vibration absorption assembly and application thereof |
| CN108922724A (en) * | 2018-08-24 | 2018-11-30 | 中国科学院合肥物质科学研究院 | A kind of adjustable high-energy shifting energy resistance system based on ceramic resistor |
| CN108922724B (en) * | 2018-08-24 | 2023-10-03 | 中国科学院合肥物质科学研究院 | Adjustable high-energy-transfer resistance system based on ceramic resistor |
| WO2021139246A1 (en) * | 2020-01-09 | 2021-07-15 | 西安铁路信号有限责任公司 | 160 km alternating-current transmission internal combustion locomotive brake resistor and noise reduction method |
| RU204267U1 (en) * | 2020-12-30 | 2021-05-17 | Общество с ограниченной ответственностью "ПЕНЗЕНСКИЙ ЗАВОД ТЕЛЕМА ГИНО" | Brake resistor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
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| CX01 | Expiry of patent term |