CN213039433U - Air compressor machine control circuit and air compressor machine - Google Patents
Air compressor machine control circuit and air compressor machine Download PDFInfo
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- CN213039433U CN213039433U CN202021790284.6U CN202021790284U CN213039433U CN 213039433 U CN213039433 U CN 213039433U CN 202021790284 U CN202021790284 U CN 202021790284U CN 213039433 U CN213039433 U CN 213039433U
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Abstract
The utility model relates to an air compressor technical field especially relates to an air compressor machine control circuit and air compressor machine. Applied to the air compressor machine, include: loading a control module; an air supply control module; the pressure sensing switch is arranged between the external power supply and the loading control module and is used for realizing the connection and disconnection between the external power supply and the loading control module; and the delay starting module is arranged at the input end of the air supply control module and used for finishing the power supply input of the air supply control module after delaying the first preset time when the air compressor enters the loading state. The utility model discloses a set up the time delay and open the module, realize after the air compressor machine gets into the loading state, the time delay starts the air supply function of compressor, and then can guarantee when many compressors send wind jointly, can start simultaneously, improve and guaranteed the rate of utilization of compressor among the air compressor machine, when having solved the parallelly connected air supply of many compressors, because each compressor pressure controller setting value has the problem that leads to the compressor rate of utilization low of differentiating.
Description
Technical Field
The utility model relates to an air compressor technical field especially relates to an air compressor machine control circuit and air compressor machine.
Background
An air compressor is a device for compressing air, and in the field of locomotives, in order to ensure the requirement of compressed air for a locomotive vehicle, the locomotive must be provided with the air compressor. In the air compressor machine, adopt two to three compressors parallelly connected simultaneously to supply air to a cylinder, because compressor pressure controller is relatively independent, when using easily, appear that the compressor can't start simultaneously after the reservoir pressure drops to certain degree, the compressor that starts in advance starts after blowing, rises cylinder pressure back, leads to the unable start-up of other compressors, leads to the low utilization ratio of compressor, has shortened the average life of compressor greatly, has increased the maintenance cost.
Simultaneously, water content is big in the air, and moisture gets into the inside back of compressor, only can evaporate out in a certain time, and because the compressor needs frequent start-up to stop, stops after the compressor short time operation, can not effectually discharge moisture, leads to the condition that compressor oil emulsifies to appear easily among the current air compressor machine.
Disclosure of Invention
The utility model discloses a solve the compressor rate of utilization low, appear easily by the technical problem of emulsification phenomenon, provide an air compressor machine control circuit and air compressor machine.
In order to solve the technical problem, the technical scheme of the utility model as follows:
the utility model provides an air compressor machine control circuit, is applied to the air compressor machine, includes:
the loading control module is used for realizing switching control of the loading and no-load states of the air compressor;
the air supply control module is used for controlling the on-off of the air supply operation of the air compressor;
the pressure sensing switch is arranged between the external power supply and the loading control module, and is used for realizing the connection and disconnection between the external power supply and the loading control module according to whether the pressure of the cylinder is in a preset range or not; and
and the delay starting module is arranged at the input end of the air supply control module and used for finishing the power supply input of the air supply control module after delaying the first preset time when the air compressor enters the loading state.
Furthermore, the delay starting module comprises a delay starting control module and a delay starting switch; the delay starting switch is connected with the air supply control module in series, and the delay starting control module is connected with two ends of a series circuit of the delay starting switch and the air supply control module in parallel; the delay starting control module is in control connection with the delay starting switch to achieve delay closing of the delay starting switch.
Furthermore, the delay start control module is a delay start relay, and the delay start switch is a normally open contactor.
Furthermore, the air compressor control circuit also comprises a delay shutoff module; the delay turn-off module comprises a delay turn-off control module and a delay turn-off switch; the delay turn-off switch is arranged between the delay starting module and an external power supply; the input end of the time-delay turn-off control module is connected with an external power supply through a pressure induction switch, and the output end of the time-delay turn-off control module is connected with the negative electrode of the external power supply; and the pressure induction switch realizes the conduction of the time delay turn-off control module and an external power supply when the air compressor is in no-load.
Furthermore, the pressure sensing switch is a transfer switch, and the pressure sensing switch switches between the external power supply and the loading control module or the delay turn-off module according to whether the pressure of the cylinder is within a preset range or not.
Further, the delay turn-off control module is a delay turn-off relay; the delay turn-off switch is an opening and closing contactor.
Furthermore, the air compressor is provided with at least two compressors, each compressor is respectively in control connection with the air supply control module, and the air supply function of the compressor is started according to the power-on condition of the air supply control module.
Furthermore, the loading control module is a loading electromagnetic valve.
Further, the external power supply is a compressor starting signal power supply.
The utility model also provides an air compressor machine, including foretell air compressor machine control circuit.
The utility model discloses a set up the time delay and open the module, realize after the air compressor machine gets into the loading state, the time delay starts the air supply function of compressor, and then can guarantee when many compressors send wind jointly, can start simultaneously, improve and guaranteed the rate of utilization of compressor among the air compressor machine, when having solved the parallelly connected air supply of many compressors, because each compressor pressure controller setting value has the problem that leads to the compressor rate of utilization low of differentiating. Meanwhile, the control circuit is provided with the delay turn-off control module, so that after the air compressor enters the no-load state, the power supply input of the air supply control module is turned off in a delay mode, the compressor can be in the idle state within a period of time after the air compressor enters the no-load state, the operation rate of the compressor is improved, the temperature of the compressor is guaranteed to be sufficient for the evaporation of air moisture, and the oil emulsification phenomenon of the compressor is prevented.
Drawings
Fig. 1 is a block diagram of a control circuit of an air compressor according to an embodiment of the present invention.
Fig. 2 is a block diagram of a control circuit of an air compressor according to an embodiment of the present invention.
Fig. 3 is a specific circuit structure diagram of a control circuit of a three-steam air compressor according to an embodiment of the present invention.
Wherein:
the loading control module is 10, the air supply control module is 20, and the pressure induction switch is 30;
the delay starting control module is 41, and the delay starting switch is 42;
the delay turn-off control module is 51, and the delay turn-off switch is 52.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Fig. 1 shows a block diagram of an air compressor control circuit according to an embodiment of the present invention.
As shown in fig. 1, this embodiment provides an air compressor control circuit, which is applied to an air compressor, and is used to implement specific control of switching between a loading state and an idle state of the air compressor, specifically, the control circuit includes a loading control module 10, an air supply control module 20, a pressure sensing switch 30, and a delay start module, and the modules cooperate with each other to implement switching control between the loading state and the idle state of the air compressor together.
In terms of specific functions of each module, the loading control module 10 is mainly used for switching and controlling the loading and no-load states of the air compressor, specifically, when the loading control module 10 is powered on, the air compressor enters the loading state, and when the loading control module 10 is powered off, the air compressor is in the no-load state. Preferably, in the present embodiment, the loading control module 10 is a loading solenoid valve.
The air supply control module 20 is mainly used for controlling the on-off of the air supply operation of the air compressor, and is specifically used for controlling the on-off of the air supply function of the compressor in the air compressor. More specifically, when air supply control module 20 is powered on, the compressor in the air compressor can perform air supply operation according to the pressure controller of the compressor, and when air supply control module 20 is powered off, the air supply function of the compressor is in a closed state.
In addition, the pressure-sensitive switch 30 is used for controlling the power on/off of the loading control module 10 according to the pressure in the cylinder, so as to switch the loading state and the no-load state of the air compressor. The delayed start module is mainly used for delaying the first preset time when the air compressor enters the loading state to realize the power on of the air supply control module 20, and further realizing the delayed start of the air supply function of the compressor after the air compressor enters the loading state.
Specifically, in terms of a connection structure, the pressure-sensitive switch 30 is disposed between the external power supply and the loading control module 10, and on/off between the external power supply and the loading control module 10 is realized according to whether the pressure of the cylinder is within a preset range. The delay starting module is arranged at the input end of the air supply control module 20, and controls the on-off of the air supply control module 20 and an external power supply, so as to delay and conduct the power supply input of the air supply control module 20.
Preferably, the air compressor is provided with at least two compressors, and the air supply outlet of each compressor is respectively connected with the air inlet of the air cylinder, so that parallel air supply of the air cylinders is realized. Each compressor is respectively connected with the air supply control module 20 in a control mode, and the air supply function of the compressor is started according to the power-on condition of the air supply control module 20. More specifically, in the present embodiment, the number of the compressors is three, that is, three compressors jointly realize the air supply of the air cylinder.
The advantage of this embodiment lies in, this circuit is through setting up the time delay and opening the module, realizes that the air compressor machine gets into the loading state after, the air supply function of time delay start compressor, and then can guarantee when many compressors send the wind jointly, can start simultaneously, improves and has guaranteed the rate of utilization of compressor among the air compressor machine, when having solved the parallelly connected air supply of many compressors, because each compressor pressure controller setting value has the difference and leads to the problem that the compressor rate of utilization is low.
As a preferred embodiment, the delay starting module includes a delay starting control module 41 and a delay starting switch 42. Specifically, when the delay start control module 41 is powered on, after the delay start control module 41 continues to be powered on for a first preset time, the delay start switch 42 is turned on, and then the delay power on of the air supply control module 20 is completed. In terms of structure, the delay start switch 42 is connected in series with the air supply control module 20, and the delay start control module 41 is connected in parallel at two ends of a series circuit of the delay start switch 42 and the air supply control module 20; the delay start control module 41 is in control connection with the delay start switch 42 to realize the delay closing of the delay start switch 42. More preferably, the delay start control module 41 is a delay start relay, and the delay start switch 42 is a normally open contactor.
It should be noted that, in this embodiment, as an optimization, the air supply control module 20 and the loading control module 10 may use the same external power supply, and specifically, at least one shutdown module is disposed between the delayed start module and the external power supply, and the shutdown module is configured to implement shutdown of the power supply input of the air supply control module 20 when the air compressor is idle.
More specifically, as a preferable mode of the present embodiment, the external power supply is a compressor start signal power supply.
Example two
The present embodiment is similar to the embodiment, and different from the embodiment, the air supply control module 20 and the external power supply setting and shutting module are arranged.
Fig. 2 shows a block diagram of a control circuit of an air compressor according to an embodiment of the present invention.
Specifically, as shown in fig. 2, in this embodiment, the air compressor control circuit further includes a delay shutdown module, and the delay shutdown module is mainly used for realizing the delay power loss of the air supply control module 20 when the air compressor enters the no-load state. The delay turn-off module specifically comprises a delay turn-off control module 51 and a delay turn-off switch 52, in terms of functions, the delay turn-off control module 51 is in control connection with the delay turn-off switch 52, and the delay turn-off control module 51 can control the delay turn-off switch 52 to be disconnected after the power is turned on and the delay turn-off control module delays for a second preset time. In terms of structure, the delay off switch 52 is provided between the delay start module and the external power supply; the input end of the time-delay turn-off control module 51 is connected with an external power supply through the pressure sensing switch 30, and the output end is connected with the negative electrode of the external power supply. In terms of power input of the time-delay turn-off control module 51, when the air compressor is unloaded, that is, when the cylinder pressure is in the idle preset range of the air compressor, the pressure-sensitive switch 30 realizes the conduction of the time-delay turn-off control module 51 and the external power supply.
The benefit of this embodiment lies in, this circuit is through setting up time delay turn-off control module 51, can get into idle state at the air compressor machine after, time delay turn-off adds air supply control module 20's power input to make the compressor can get into idle state in a period after the idle state at the air compressor machine, improve the operating rate of compressor, and then guarantee the evaporation of the sufficient air moisture of temperature of compressor, prevent that the oil emulsification phenomenon from appearing in the compressor.
As a preferred embodiment of the present invention, the pressure-sensitive switch 30 is a transfer switch, and more specifically, one end of the pressure-sensitive switch 30 is connected to an external power source, and the other end of the pressure-sensitive switch is provided with two connection ports, and the two connection ports are respectively connected to the loading control module 10 and the delayed turn-off control module 51. When the pressure-sensitive switch 30 works, the external power supply and the loading control module 10 or the time-delay turn-off control module 51 are switched on according to whether the pressure of the cylinder is in the preset range.
As a preferred embodiment of the present invention, the delay-off control module 51 is a delay-off relay; the time delay off switch 52 is a normally closed contactor.
EXAMPLE III
The embodiment provides the concrete combination mode of air compressor machine control circuit.
Specifically, in this embodiment, as shown in fig. 3, the air compressor control circuit includes a delay start module in the first embodiment and a delay shut-off module in the second embodiment. The delay starting module comprises a delay starting control module 41 and a delay starting switch 42, wherein the delay starting control module 41 is a delay starting relay K1, and the delay starting switch 42 is a normally open contactor K1. The delay turn-off module comprises a delay turn-off control module 51 and a delay turn-off switch 52, wherein the delay turn-off control module 51 is a delay turn-off relay K2; the time delay off switch 52 is a normally closed contactor K2. In addition, the air supply control module 20 adopts a compressor starting contactor K3, the loading control module 10 adopts a loading electromagnetic valve YV1, and the pressure sensing switch 30 is a transfer switch.
In terms of structure, an external power supply is respectively connected with the loading control module 10 and the time delay turn-off control module 51 through the pressure sensing switch 30, and the pressure sensing switch 30 switches and turns on the connection of the external power supply and the loading control module 10 or the time delay turn-off control module 51 according to the pressure of the air cylinder, so that the loading and no-load states of the air compressor are switched. The delay start switch 42 is connected in series with the air supply control module 20, the delay start control module 41 is connected in parallel with two ends of the series circuit of the delay start switch 42 and the air supply control module 20, and the input end of the series-parallel circuit formed by the delay start switch 42 and the air supply control module is connected with an external power supply through the delay off switch 52.
In the working process of the air compressor, when the pressure in the air cylinder is in the pressure range to be loaded, the pressure sensing switch 30 is connected with the loading control module 10 and an external power supply. The air compressor enters a loading state, at this time, the delay off switch 52 is in a normally closed state, the delay start control module 41 is powered on, and after a first preset time, the delay start switch 42 is closed, so that the power input of the air supply control module 20 is completed, and further the delay air supply of the compressor is started.
When the pressure in the cylinder is in the pressure range which does not need to be loaded, the pressure sensing switch 30 disconnects the loading control module 10 from the external power supply, and switches on the time-delay off control module 51 from the external power supply. The air compressor enters an idle state, at the moment, the delay turn-off control module 51 is electrified, the compressor is in an idle oil-proof emulsification state, after the second preset time, the delay turn-off switch 52 is switched off, the power of the air supply control module 20 is turned on, and then the air supply function of the compressor is turned off.
Example four
The embodiment provides an air compressor machine, and is concrete, and the air compressor machine includes embodiment one, embodiment two or embodiment three any kind of air compressor machine control circuit, and the air compressor machine adopts this circuit to realize its loading, the switching of no-load state, and then reaches the effect that improves compressor rate of utilization and compressor prevent the oil emulsification.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an air compressor machine control circuit which characterized in that is applied to the air compressor machine, includes:
the loading control module is used for realizing switching control of the loading and no-load states of the air compressor;
the air supply control module is used for controlling the on-off of the air supply operation of the air compressor;
the pressure sensing switch is arranged between the external power supply and the loading control module, and is used for realizing the connection and disconnection between the external power supply and the loading control module according to whether the pressure of the cylinder is in a preset range or not; and
and the delay starting module is arranged at the input end of the air supply control module and used for finishing the power supply input of the air supply control module after delaying the first preset time when the air compressor enters the loading state.
2. The air compressor control circuit of claim 1, wherein the time delay starting module comprises a time delay starting control module and a time delay starting switch; the delay starting switch is connected with the air supply control module in series, and the delay starting control module is connected with two ends of a series circuit of the delay starting switch and the air supply control module in parallel; the delay starting control module is in control connection with the delay starting switch to achieve delay closing of the delay starting switch.
3. The air compressor control circuit of claim 2, wherein the time delay start control module is a time delay start relay, and the time delay start switch is a normally open contactor.
4. The air compressor control circuit of claim 2 or 3, further comprising a time delay shutdown module; the delay turn-off module comprises a delay turn-off control module and a delay turn-off switch; the delay turn-off switch is arranged between the delay starting module and an external power supply; the input end of the time-delay turn-off control module is connected with an external power supply through a pressure induction switch, and the output end of the time-delay turn-off control module is connected with the negative electrode of the external power supply; and the pressure induction switch realizes the conduction of the time delay turn-off control module and an external power supply when the air compressor is in no-load.
5. The air compressor control circuit according to claim 4, wherein the pressure-sensitive switch is a transfer switch, and the pressure-sensitive switch switches between the external power supply and the loading control module or the time-delay turn-off module according to whether the pressure of the air cylinder is within a preset range.
6. The air compressor control circuit of claim 4, wherein the time-delay turn-off control module is a time-delay turn-off relay; the delay turn-off switch is an opening and closing contactor.
7. The air compressor control circuit according to any one of claims 1 to 3, wherein the air compressor is provided with at least two compressors, each compressor is in control connection with the air supply control module, and the air supply function of the compressor is started according to the power supply condition of the air supply control module.
8. The air compressor control circuit according to any one of claims 1 to 3, wherein the loading control module is a loading solenoid valve.
9. The air compressor control circuit of any one of claims 1-3, wherein the external power source is a compressor start signal power source.
10. An air compressor characterized by comprising the air compressor control circuit of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021790284.6U CN213039433U (en) | 2020-08-24 | 2020-08-24 | Air compressor machine control circuit and air compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021790284.6U CN213039433U (en) | 2020-08-24 | 2020-08-24 | Air compressor machine control circuit and air compressor machine |
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| Publication Number | Publication Date |
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| CN213039433U true CN213039433U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021790284.6U Active CN213039433U (en) | 2020-08-24 | 2020-08-24 | Air compressor machine control circuit and air compressor machine |
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| CN (1) | CN213039433U (en) |
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- 2020-08-24 CN CN202021790284.6U patent/CN213039433U/en active Active
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