CN204659468U - A kind of auxiliary lift device for collector bow control circuit - Google Patents
A kind of auxiliary lift device for collector bow control circuit Download PDFInfo
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- CN204659468U CN204659468U CN201520281675.8U CN201520281675U CN204659468U CN 204659468 U CN204659468 U CN 204659468U CN 201520281675 U CN201520281675 U CN 201520281675U CN 204659468 U CN204659468 U CN 204659468U
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Abstract
A kind of auxiliary lift device for collector bow control circuit.It comprises air compressor motor, reservoir pressure switch normally closed contact, dryer pressure switch normally closed contact, the first contactless coil, the first contactless switch open contact, the second contactless coil, the second contactless switch open contact, the second contactless switch second open contact, the 3rd contactless coil, the 3rd contactless switch open contact, the 3rd contactless switch second open contact, temperature switch, circuit breaker and heating rod.The utility model effect: the mode of operation adopting internal system built-in dryer pressure switch monitoring dryer, and by this signal control contactless coil dead electricity, thus Air compressor is quit work, simple and practical, do not need to carry out logic control by main engine plants, thus reduce the work capacity of locomotive design, raise the efficiency.Carry out control circui by some pressure switches and contactless switch, relative usage electromagnetic valve cost can carry out actv. control.
Description
Technical field
The utility model belongs to bow-lifting device control technology field, particularly relates to a kind of auxiliary lift device for collector bow control circuit.
Background technology
In electric locomotive, high ferro and subway, bow-lifting device is used for providing enough compressed air gas sources for vehicle rising bow, ensure when main air source blast needed for rising bow is not enough, air can be supplemented timely and effectively, blast required during to provide pantograph rising bow, make pantograph be connected to high-voltage fence fast, the power that locomotive starts is provided.But there is following several weak point in existing bow-lifting device:
1, the auxiliary rising bow system (containing compressor and dryer) on current locomotive used can not work alone, and need be controlled the mode of operation of auxiliary air supply unit, increase difficulty and the complexity of locomotive design by microcomputer system on car;
2, current auxiliary air supply unit is when dry blowback, electromagnetic valve dead electricity, switches to reproduced state by the mode of operation of dryer from drying regime, but often occurs leakage due to electromagnetic valve or block faults such as timing, thus cause auxiliary wind source system to leak gas, therefore can not normal rising bow;
3, the blowback of solenoid control dryer is adopted, taking cost into account not economical and practical.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of auxiliary lift device for collector bow control circuit.
In order to achieve the above object, the auxiliary lift device for collector bow control circuit that the utility model provides comprises: air compressor motor, reservoir pressure switch normally closed contact, dryer pressure switch normally closed contact, the first contactless coil, the first contactless switch open contact, the second contactless coil, the second contactless switch open contact, the second contactless switch second open contact, the 3rd contactless coil, the 3rd contactless switch open contact, the 3rd contactless switch second open contact, temperature switch, circuit breaker and heating rod, wherein: one end of air compressor motor is successively by the first contactless switch open contact, second contactless switch open contact is connected with X1 point with the 3rd contactless switch open contact, the other end is held with power supply 0V and is connected, one end of reservoir pressure switch normally closed contact is connected with X1 point, the other end to be held with power supply 0V by the second contactless coil and is connected, one end of dryer pressure switch normally closed contact is connected with X1 point, the other end to be held with power supply 0V by the 3rd contactless coil and the second contactless switch second open contact successively and is connected, one end of first contactless coil is connected with X1 point by temperature switch, the other end is held with power supply 0V and is connected, one end of circuit breaker is held with power supply DC110V and is connected, the other end is connected with X1 point, one end of heating rod is connected with X1 point, the other end is held with power supply 0V and is connected.
Described reservoir pressure switch normally closed contact is the normally closed contact of reservoir pressure switch, and reservoir pressure switch is the pressure operated switch be arranged on supplementary reservoir, starts for controlling Air compressor; This signal can be used as rising bow signal simultaneously.
Described dryer pressure switch normally closed contact is the normally closed contact of dryer pressure switch, and dryer pressure switch is install pressure operated switch on the dryer, shuts down for controlling Air compressor.
The first described contactless coil is the first contactless coil excitation coil, and when it is energized, its open contact closes; Second contactless coil is the second contactless coil excitation coil, and when it is energized, its open contact and the second open contact close; 3rd contactless coil is the 3rd contactless coil excitation coil, and when it is energized, its open contact and the second open contact close; Circuit breaker is circuit overcurrent protective switch, and for when there is abnormal super-high-current in circuit, cut off, prevents circuit burnout; Heating rod is dryer heating rod, for being dry epoch heating when low temperature, prevents dryer from freezing.
The effect of the auxiliary lift device for collector bow control circuit that the utility model provides:
1, the utility model adopts the mode of operation of internal system built-in dryer pressure switch monitoring dryer, and by this signal control contactless coil dead electricity, thus Air compressor is quit work, simple and practical, do not need to carry out logic control by main engine plants, thus reduce the work capacity of locomotive design, raise the efficiency.
2, the utility model carries out control circui by some pressure switches and contactless switch, and relative usage electromagnetic valve cost can carry out actv. control.
Accompanying drawing explanation
The composition schematic diagram of the auxiliary lift device for collector bow that Fig. 1 provides for the utility model.
The schematic diagram of the auxiliary lift device for collector bow control circuit that Fig. 2 provides for the utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the auxiliary lift device for collector bow control circuit that the utility model provides is described in detail.
First the principle of work of auxiliary lift device for collector bow is described:
As shown in Figure 1, air sucks in Air compressor U01 cylinder by air-intake filter, through the crank motion of piston, contract air pressure output squeezing air, the gas compressed through Air compressor U01 enters dryer U03 through subcooler U02 cooling, pressurized air through dryer U03 drying enters blowback reservoir U04, enters supplementary reservoir F by check valve U06 simultaneously; When supplementary reservoir F compressed air reaches dryer U03 setting value, dryer U03 switches to reproduced state, dryer U03 is returned in pressurized air blowback in blowback reservoir U04, the moisture absorbed by desiccant is discharged by the sewage draining exit of dryer U03 to reach desiccant regeneration, the object recycled; At the same time, dryer U03 exports a pressure makes Air compressor U01 quit work to dryer pressure switch U08, completes a working cycle.When the setting value of the pressure in supplementary reservoir F lower than reservoir pressure switch U07, Air compressor U01 starts, and enters next working cycle.
Pressure in the pipeline caused for preventing fault and reservoir is constantly increased beyond maximum pressure value, and between dryer U03 and check valve UO6, mounting safety valve U05 is used to ensure that gas circuit is no more than safety value.
As shown in Figure 2, the auxiliary lift device for collector bow control circuit that the utility model provides comprises:
Air compressor motor M, reservoir pressure switch normally closed contact PS1, dryer pressure switch normally closed contact PS2, the first contactless coil K1, the first contactless switch open contact K1-1, the second contactless coil K2, the second contactless switch open contact K2-1, the second contactless switch second open contact K2-2, the 3rd contactless coil K3, the 3rd contactless switch open contact K3-1, the 3rd contactless switch second open contact K3-2, temperature switch TS, circuit breaker MCB and heating rod R1, wherein: one end of air compressor motor M is successively by the first contactless switch open contact K1-1, second contactless switch open contact K2-1 is connected with the 3rd contactless switch open contact K3-1 and X1 point, the other end is held with power supply 0V and is connected, one end of reservoir pressure switch normally closed contact PS1 is connected with X1 point, the other end to be held with power supply 0V by the second contactless coil K2 and is connected, one end of dryer pressure switch normally closed contact PS2 is connected with X1 point, the other end to be held with power supply 0V by the 3rd contactless coil K3 and the second contactless switch second open contact K2-2 successively and is connected, one end of first contactless coil K1 is put by temperature switch TS and X1 and is connected, the other end is held with power supply 0V and is connected, one end of circuit breaker MCB is held with power supply DC110V and is connected, the other end is connected with X1 point, one end of heating rod R1 is connected with X1 point, the other end is held with power supply 0V and is connected.
Described air compressor motor M is the propulsion source of Air compressor U01, and Air compressor U01 is pressurized air providing source, for providing the pressurized air needed for rising bow.
Reservoir pressure switch normally closed contact PS1 is the normally closed contact of reservoir pressure switch U07, and reservoir pressure switch U07 is arranged on the pressure operated switch on supplementary reservoir F, starts for controlling Air compressor; This signal can be used as rising bow signal simultaneously;
Dryer pressure switch normally closed contact PS2 is the normally closed contact of dryer pressure switch U08, and dryer pressure switch U08 installs pressure operated switch on the dryer, shuts down for controlling Air compressor;
First contactless coil K1 is the first contactless coil excitation coil, and when it is energized, its open contact K1-1 closes;
Second contactless coil K2 is the second contactless coil excitation coil, and when it is energized, its open contact K2-1 and the second open contact K2-2 closes;
3rd contactless coil K3 is the 3rd contactless coil excitation coil, and when it is energized, its open contact K3-1 and the second open contact K3-2 closes;
Temperature switch TS is temp control switch, and the temperature for air compressor motor M controls, and burns to prevent motor temperature overheated;
Circuit breaker MCB is circuit overcurrent protective switch, and for when there is abnormal super-high-current in circuit, cut off, to prevent circuit burnout;
Heating rod R1 is dryer heating rod, for when low temperature being dry epoch heating, freezes to prevent dryer;
The control principle of the auxiliary lift device for collector bow control circuit now provided by the utility model is described below:
During initial start-up, car power source is powered to auxiliary air supply unit, reservoir pressure switch normally closed contact PS1 is normally off, 3rd contactless coil K3 is energized, dryer pressure switch normally closed contact PS2 is normally off, second contactless coil K2 is energized, temperature switch TS is normally off, first contactless coil K1 is energized, car power source is that air compressor motor M powers, and Air compressor U01 works, for supplementary reservoir F inflates, 3rd contactless coil K3 reaches self-locking state by secondary contact simultaneously, keeps the 3rd contactless coil K3 to continue energising, when the air pressure in supplementary reservoir F reaches the set point of dryer U03, dryer U03 switches to reproduced state, carry out pulse cleaning, dryer pressure switch normally closed contact PS2 detects that interface 4 pressure on dryer increases to over its setting value simultaneously, dryer pressure switch normally closed contact PS2 disconnects and drives the second contactless coil K2 dead electricity, its second open contact K2-2 opens and makes the 3rd contactless coil K3 untie self-locking state, now air compressor motor M feed circuit disconnect, and Air compressor U01 quits work, when the pressure drop in supplementary reservoir F reaches dryer reset values, dryer U03 state switches to work drying regime, now dryer pressure switch normally closed contact PS2 detects that interface 4 pressure drop on dryer U03 is to 0bar, dryer pressure switch normally closed contact PS2 closes, second contactless coil K2 is energized, and now Air compressor U01 does not work, when pressure in supplementary reservoir F continues to decline, when reaching reservoir pressure switch U07 lower limit, reservoir pressure switch normally closed contact PS1 closes, 3rd contactless coil K3 is energized, now the supply line of air compressor motor M is path, Air compressor U01 starts work, for supplementary reservoir F inflates, when supplementary reservoir F reaches dryer U03 setting value, dryer U03 switches to reproduced state to carry out pulse cleaning again, dryer pressure switch normally closed contact PS2 detects that interface 4 pressure on dryer U03 raises simultaneously, and when exceeding its setting value, dryer pressure switch normally closed contact PS2 disconnects and drives the second contactless coil K2 dead electricity, and make the 3rd contactless coil K3 untie self-locking state, now the feed circuit of air compressor motor M disconnect, Air compressor U01 quits work, complete a working cycle.
Claims (4)
1. an auxiliary lift device for collector bow control circuit, it is characterized in that: described auxiliary lift device for collector bow control circuit comprises: air compressor motor (M), reservoir pressure switch normally closed contact (PS1), dryer pressure switch normally closed contact (PS2), first contactless coil (K1), first contactless switch open contact (K1-1), second contactless coil (K2), second contactless switch open contact (K2-1), second contactless switch second open contact (K2-2), 3rd contactless coil (K3), 3rd contactless switch open contact (K3-1), 3rd contactless switch second open contact (K3-2), temperature switch (TS), circuit breaker (MCB) and heating rod (R1), wherein: one end of air compressor motor (M) is successively by the first contactless switch open contact (K1-1), second contactless switch open contact (K2-1) is connected with X1 point with the 3rd contactless switch open contact (K3-1), the other end is held with power supply 0V and is connected, one end of reservoir pressure switch normally closed contact (PS1) is connected with X1 point, the other end is held with power supply 0V by the second contactless coil (K2) and is connected, one end of dryer pressure switch normally closed contact (PS2) is connected with X1 point, the other end to be held with power supply 0V by the 3rd contactless coil (K3) and the second contactless switch second open contact (K2-2) successively and is connected, one end of first contactless coil (K1) is connected with X1 point by temperature switch (TS), the other end is held with power supply 0V and is connected, one end of circuit breaker (MCB) is held with power supply DC110V and is connected, the other end is connected with X1 point, one end of heating rod (R1) is connected with X1 point, the other end is held with power supply 0V and is connected.
2. auxiliary lift device for collector bow control circuit according to claim 1, it is characterized in that: the normally closed contact that described reservoir pressure switch normally closed contact (PS1) is reservoir pressure switch U07, reservoir pressure switch (U07), for being arranged on the pressure operated switch on supplementary reservoir F, starts for controlling Air compressor.
3. auxiliary lift device for collector bow control circuit according to claim 1; it is characterized in that: the normally closed contact that described dryer pressure switch normally closed contact (PS2) is dryer pressure switch (U08); dryer pressure switch (U08) is install pressure operated switch on the dryer, shuts down for controlling Air compressor.
4. auxiliary lift device for collector bow control circuit according to claim 1, is characterized in that: described the first contactless coil (K1) is the first contactless coil excitation coil, and when it is energized, its open contact (K1-1) closes; Second contactless coil (K2) is the second contactless coil excitation coil, and when it is energized, its open contact (K2-1) and the second open contact (K2-2) close; 3rd contactless coil (K3) is the 3rd contactless coil excitation coil, and when it is energized, its open contact (K3-1) and the second open contact (K3-2) close; Circuit breaker (MCB) is circuit overcurrent protective switch, and for when there is abnormal super-high-current in circuit, cut off, prevents circuit burnout; Heating rod (R1) is dryer heating rod, for being dry epoch heating when low temperature, prevents dryer from freezing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281675.8U CN204659468U (en) | 2015-05-04 | 2015-05-04 | A kind of auxiliary lift device for collector bow control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281675.8U CN204659468U (en) | 2015-05-04 | 2015-05-04 | A kind of auxiliary lift device for collector bow control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204659468U true CN204659468U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520281675.8U Active CN204659468U (en) | 2015-05-04 | 2015-05-04 | A kind of auxiliary lift device for collector bow control circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329107A (en) * | 2015-12-01 | 2016-02-17 | 瑞立集团瑞安汽车零部件有限公司 | Bow raising air source system of railway vehicle |
| CN109552053A (en) * | 2018-12-29 | 2019-04-02 | 克诺尔车辆设备(苏州)有限公司 | Power track vehicle, auxiliary air supply unit and its control method |
| CN109763950A (en) * | 2019-03-14 | 2019-05-17 | 上海地铁维护保障有限公司 | Electric train emergency rising bow electrodynamic pump |
-
2015
- 2015-05-04 CN CN201520281675.8U patent/CN204659468U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329107A (en) * | 2015-12-01 | 2016-02-17 | 瑞立集团瑞安汽车零部件有限公司 | Bow raising air source system of railway vehicle |
| CN109552053A (en) * | 2018-12-29 | 2019-04-02 | 克诺尔车辆设备(苏州)有限公司 | Power track vehicle, auxiliary air supply unit and its control method |
| CN109763950A (en) * | 2019-03-14 | 2019-05-17 | 上海地铁维护保障有限公司 | Electric train emergency rising bow electrodynamic pump |
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| GR01 | Patent grant |