CN205232081U - Give high low -speed of hot water machine soup ladle conversion control circuit - Google Patents
Give high low -speed of hot water machine soup ladle conversion control circuit Download PDFInfo
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- CN205232081U CN205232081U CN201520917807.1U CN201520917807U CN205232081U CN 205232081 U CN205232081 U CN 205232081U CN 201520917807 U CN201520917807 U CN 201520917807U CN 205232081 U CN205232081 U CN 205232081U
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Abstract
The utility model provides a give high low -speed of hot water machine soup ladle conversion control circuit, including control circuit and converting circuit, control circuit passes through the control of contactor KM with converting circuit and links to each other, control circuit includes power, fairing, travel switch, relay and contactor, converting circuit includes high -speed unit and low -speed unit, is connected the motor with the low -speed unit after high -speed unit connects in parallel, in the high -speed unit: a control transformer TC1 connects alternating current power supply and rectification mechanism, the rectification mechanism just, cathode output is connected the motor both ends through normal close terminal KM21 with KM22 respectively, in the low -speed unit: the 2nd control transformer TC2 connects alternating current power supply and rectification mechanism, the rectification mechanism just, cathode output is connected the motor both ends through normally opening terminal KM12 with KM13 respectively. The utility model discloses a high -low pressure conversion speed governing that has realized direct current motor is used in the cooperation of travel switch, relay and contactor, has reduced the rejection rate of product to manufacturing cost has been reduced.
Description
Technical field
The utility model belongs to field of electrical control, especially relates to a kind of soup feeding machine soup ladle height low speed conversion control circuit.
Background technology
Easily there is too fast or excessively slow phenomenon in the soup feeding machine speed of prior art, when speed is crossed slow, aluminium water time of staying in soup ladle is longer, aluminium coolant-temperature gage significantly reduces, cause product to cool even to shut down, the aluminium temperature rise in holding furnace must be waited could normally to produce to uniform temperature, or after there is matched moulds, wait for the phenomenon of soup feeding machine feeding, production efficiency is lower; During excessive velocities, impulsive force is excessive can not normally be used.
Summary of the invention
In view of this, the utility model is intended to propose a kind of soup feeding machine soup ladle height low speed conversion control circuit, to solve the feeding spoon excessive velocities of prior art or excessively slow phenomenon.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of soup feeding machine soup ladle height low speed conversion control circuit, comprise control circuit and change-over circuit, described control circuit controls to be connected by contactor with change-over circuit;
Described control circuit comprises power supply, rectifying device, travel switch, relay and contactor KM, described rectifying device input connects 220V AC power, the positive pole of described rectifying device output connects the input of stroke switch S Q1 and SQ2, the output of described travel switch SQ1 and SQ2 connects the coil input end of relay K A1 and KA2 respectively, described relay K A1 and KA2 all connects the negative pole of rectifying device output and the input of contactor KM, the sub-KM11 of described contactor KM Chang Kaiduan is connected the output of contactor KM with the input after the sub-KA11 parallel connection of the Chang Kaiduan of relay K A1, output after parallel connection connects the input of the normally closed terminal KA21 of relay K A2, the output of described normally closed terminal KA21 connects DC power supply,
Described change-over circuit comprises high-speed cells and low speed unit, and high-speed cells is connected motor with after the parallel connection of low speed unit;
Described high-speed cells comprises the first control transformer TC1 and rectification mechanism, the input of described first control transformer connects 220V AC power, output connects the input of rectification mechanism, the positive and negative electrode output of described rectification mechanism connects the input of normally closed terminal KM21 and the KM22 of contactor KM respectively, and sub-KM21 and the KM22 of described contactor normal KM closed end connects motor two ends respectively;
Described low speed unit comprises the second control transformer TC2 and rectification mechanism, the input of described second control transformer TC2 connects 220V AC power, output connects the input of rectification mechanism, the positive pole of described rectification mechanism, cathode output end connect the input of sub-KM12 and the KM13 of contactor KM Chang Kaiduan respectively, and the output of sub-KM12 and the KM13 of described contactor KM Chang Kaiduan connects motor two ends respectively.
Further, the VD of described rectifying device is 24V.
Further, described rectifying device is silicon controlled rectifier or bridge rectifier.
Further, the output of the normally closed terminal KA21 of described relay K A2 connects 24V DC power supply.
Further, described relay K A1 and KA2 is auxiliary relay.
Further, described first control transformer TC1 and the second control transformer TC2 is power transformer.
Further, described first control transformer TC1 output voltage is the alternating voltage of 32-40V.
Further, described second control transformer TC2 output voltage is the alternating voltage of 20-28V.
Further, inductor L is provided with between the sub-KM21 of normally closed terminal KM12 and Chang Kaiduan of described contactor KM and motor.
Further, described rectification mechanism is bridge rectifier.
Relative to prior art, a kind of soup feeding machine soup ladle height low speed conversion control circuit described in the utility model has following advantage: travel switch, relay and contactor change speed governing with the use of the high-low pressure achieving direct current machine, reduce the percent defective of product, thus reduce production cost, more energy-conservation relative to resistance braking, and maintenance is convenient, cost is low.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of a kind of soup feeding machine soup ladle height low speed conversion control circuit described in the utility model embodiment;
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
A kind of soup feeding machine soup ladle height low speed conversion control circuit, comprise control circuit and change-over circuit, described control circuit controls to be connected by contactor KM with change-over circuit;
Described control circuit comprises power supply, rectifying device, travel switch, relay and contactor, described rectifying device input connects 220V AC power, the positive pole of described rectifying device output connects the input of stroke switch S Q1 and SQ2, the output of described travel switch SQ1 and SQ2 connects the coil input end of relay K A1 and KA2 respectively, described relay K A1 and KA2 all connects the negative pole of rectifying device output and the input of contactor KM, the sub-KM11 of described contactor KM Chang Kaiduan is connected the output of contactor KM with the input after the sub-KA11 parallel connection of the Chang Kaiduan of relay K A1, output after parallel connection connects the input of the normally closed terminal KA21 of relay K A2, the output of described normally closed terminal KA21 connects DC power supply,
Described change-over circuit comprises high-speed cells and low speed unit, and high-speed cells is connected motor with after the parallel connection of low speed unit;
Described high-speed cells comprises the first control transformer TC1 and rectification mechanism, the input of described first control transformer connects 220V AC power, output connects the input of rectification mechanism, the positive and negative electrode output of described rectification mechanism connects the input of normally closed terminal KM21 and the KM22 of contactor KM respectively, and described contactor KM normally closed terminal KM21 and KM22 connects motor two ends respectively;
Described low speed unit comprises the second control transformer TC2 and rectification mechanism, the input of described second control transformer TC2 connects 220V AC power, output connects the input of rectification mechanism, the positive pole of described rectification mechanism, cathode output end connect the input of sub-KM12 and the KM13 of contactor KM Chang Kaiduan respectively, and the output of sub-KM12 and the KM13 of described contactor KM Chang Kaiduan connects motor two ends respectively.
Preferably, the VD of described rectifying device is 24V.
Described rectifying device is silicon controlled rectifier or bridge rectifier.
Preferably, the output of the normally closed terminal KA21 of described relay K A2 connects 24V DC power supply.
Preferably, described relay K A1 and KA2 is auxiliary relay.
Preferably, described first control transformer TC1 and the second control transformer TC2 is power transformer.
Preferably, described first control transformer TC1 output voltage is the alternating voltage of 32-40V, and more preferably voltage is 38V.
Preferably, described second control transformer TC2 output voltage is the alternating voltage of 20-28V, and more preferably voltage is 22V.
Be provided with inductor L between the sub-KM21 of normally closed terminal KM12 and Chang Kaiduan of described contactor KM and motor, reduce motor at the stamping press of machine-walking terminal and optimization power supply.
Preferably, described rectification mechanism is bridge rectifier.
Operation principle:
After feeding spoon material loading, by lower stroke switch SQ1, the sub-KA11 of Chang Kaiduan of relay K A1 closes, the sub-KM11 of Chang Kaiduan of contactor closes, and then normally closed terminal KM21 and the KM22 of the contactor KM of high-speed cells opens, high-speed cells cannot be powered for motor M, in low speed unit, sub-KM12 and the KM13 of the Chang Kaiduan of contactor KM closes, the 22V alternating voltage that second control transformer TC2 exports, after bridge rectifier rectification and inductor filtering, supply direct current machine use, drive direct current machine low speed rotation, until feed is complete, feeding spoon returns.Return the sub-KA11 of beginning often to open, the sub-KM11 of contactor KM Chang Kaiduan opens, now normally closed terminal KM21 and KM22 closes, sub-KM12 and the KM13 of Chang Kaiduan opens, low speed unit is stopped power supply, first control transformer TC1 exports 38V voltage through bridge rectifier rectification, then through inductor L filtering, finally drive direct current machine High Rotation Speed until feeding spoon arrives material loading position, now travel switch SQ2 is closed through colliding, and then the normally closed terminal KA21 of relay K A2 disconnects, KM11 is in off state, all quit work with low speed unit at a high speed, until material loading is complete, then SQ1 closes, feeding spoon low-speed forward feed, return at a high speed after feed, then inactive state material loading, low-speed forward feed after material loading, go round and begin again.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a soup feeding machine soup ladle height low speed conversion control circuit, is characterized in that: comprise control circuit and change-over circuit, and described control circuit controls to be connected by contactor KM with change-over circuit;
Described control circuit comprises power supply, rectifying device, travel switch, relay and contactor KM, described rectifying device input connects 220V AC power, the positive pole of described rectifying device output connects the input of stroke switch S Q1 and SQ2, the output of described travel switch SQ1 and SQ2 connects the coil input end of relay K A1 and KA2 respectively, described relay K A1 and KA2 all connects the negative pole of rectifying device output and the input of contactor KM, the sub-KM11 of described contactor KM Chang Kaiduan is connected the output of contactor KM with the input after the sub-KA11 parallel connection of the Chang Kaiduan of relay K A1, output after parallel connection connects the input of the normally closed terminal KA21 of relay K A2, the output of described normally closed terminal KA21 connects DC power supply,
Described change-over circuit comprises high-speed cells and low speed unit, and described high-speed cells is connected motor with after the parallel connection of low speed unit;
Described high-speed cells comprises the first control transformer TC1 and rectification mechanism, the input of described first control transformer connects 220V AC power, output connects the input of rectification mechanism, the positive and negative electrode output of described rectification mechanism connects the input of normally closed terminal KM21 and the KM22 of contactor KM respectively, and described contactor KM normally closed terminal KM21 and KM22 connects motor two ends respectively;
Described low speed unit comprises the second control transformer TC2 and rectification mechanism, the input of described second control transformer TC2 connects 220V AC power, output connects the input of rectification mechanism, the positive pole of described rectification mechanism, cathode output end connect the input of sub-KM12 and the KM13 of contactor KM Chang Kaiduan respectively, and the output of sub-KM12 and the KM13 of described contactor KM Chang Kaiduan connects motor two ends respectively.
2. a kind of soup feeding machine soup ladle height low speed conversion control circuit according to claim 1, is characterized in that: the VD of described rectifying device is 24V.
3. a kind of soup feeding machine soup ladle height low speed conversion control circuit according to claim 1 and 2, is characterized in that: described rectifying device is silicon controlled rectifier or bridge rectifier.
4. a kind of soup feeding machine soup ladle height low speed conversion control circuit according to claim 1, is characterized in that: the output of the normally closed terminal KA21 of described relay K A2 connects 24V DC power supply.
5. a kind of soup feeding machine soup ladle height low speed conversion control circuit according to claim 1, is characterized in that: described relay K A1 and KA2 is auxiliary relay.
6. a kind of soup feeding machine soup ladle height low speed conversion control circuit according to claim 1, is characterized in that: described first control transformer TC1 and the second control transformer TC2 is power transformer.
7. a kind of soup feeding machine soup ladle height low speed conversion control circuit according to claim 1 or 6, is characterized in that: described first control transformer TC1 output voltage is the alternating voltage of 32-40V.
8. a kind of soup feeding machine soup ladle height low speed conversion control circuit according to claim 1 or 6, is characterized in that: described second control transformer TC2 output voltage is the alternating voltage of 20-28V.
9. a kind of soup feeding machine soup ladle height low speed conversion control circuit according to claim 7, is characterized in that: be provided with inductor L between the sub-KM21 of normally closed terminal KM12 and Chang Kaiduan of described contactor KM and motor.
10. a kind of soup feeding machine soup ladle height low speed conversion control circuit according to claim 1, is characterized in that: described rectification mechanism is bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917807.1U CN205232081U (en) | 2015-11-17 | 2015-11-17 | Give high low -speed of hot water machine soup ladle conversion control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917807.1U CN205232081U (en) | 2015-11-17 | 2015-11-17 | Give high low -speed of hot water machine soup ladle conversion control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205232081U true CN205232081U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520917807.1U Expired - Fee Related CN205232081U (en) | 2015-11-17 | 2015-11-17 | Give high low -speed of hot water machine soup ladle conversion control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205232081U (en) |
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2015
- 2015-11-17 CN CN201520917807.1U patent/CN205232081U/en not_active Expired - Fee Related
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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: 20160511 Termination date: 20181117 |