CN115185217A - Microcomputer pneumatic hydraulic control circuit and microcomputer pneumatic hydraulic system - Google Patents

Microcomputer pneumatic hydraulic control circuit and microcomputer pneumatic hydraulic system Download PDF

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Publication number
CN115185217A
CN115185217A CN202210840998.0A CN202210840998A CN115185217A CN 115185217 A CN115185217 A CN 115185217A CN 202210840998 A CN202210840998 A CN 202210840998A CN 115185217 A CN115185217 A CN 115185217A
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oil
microcomputer
module
pneumatic
hydraulic
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CN202210840998.0A
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卢留欣
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Zhaoqing Leader Technology Co ltd
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Zhaoqing Leader Technology Co ltd
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Priority to CN202210840998.0A priority Critical patent/CN115185217A/en
Publication of CN115185217A publication Critical patent/CN115185217A/en
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25257—Microcontroller

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The invention provides a microcomputer pneumatic hydraulic control circuit and a microcomputer pneumatic hydraulic system, wherein the microcomputer pneumatic hydraulic control circuit comprises a power supply module, an oil temperature detection module, a heat dissipation unit and a control module, wherein the power supply module comprises a direct-current switch power supply, and the direct-current switch power supply is used for providing a working power supply for the microcomputer pneumatic hydraulic control circuit; the oil temperature detection module is connected to the power supply module and is used for detecting the oil temperature of hydraulic oil; the heat dissipation unit is connected with the oil temperature detection module in parallel and is connected to the power module, and the heat dissipation unit is used for reducing the temperature of the hydraulic oil; the control module is respectively connected with the power supply module and the motor and used for detecting the pressure of an oil way in a pipeline and controlling the working state of the motor according to the pressure of the oil way, so that the temperature of hydraulic oil can be reduced, the safety is improved, and the energy consumption and the production cost are reduced.

Description

Microcomputer pneumatic hydraulic control circuit and microcomputer pneumatic hydraulic system
Technical Field
The invention relates to the technical field of hydraulic control, in particular to a microcomputer pneumatic hydraulic control circuit and a microcomputer pneumatic hydraulic system.
Background
In the related art, when a traditional hydraulic station works, hydraulic oil flows fast continuously, the oil temperature is increased, and the hydraulic oil is emulsified, so that the hydraulic oil needs to be replaced regularly. Therefore, the motor of the traditional hydraulic station needs to work all the time, and the energy consumption is high.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the invention provides a microcomputer pneumatic-hydraulic control circuit and a microcomputer pneumatic-hydraulic system, which can reduce the temperature of hydraulic oil, improve the safety and reduce the energy consumption and the production cost.
In a first aspect, an embodiment of the present invention provides a microcomputer pneumatic hydraulic control circuit, including:
the power supply module comprises a direct-current switching power supply, and the direct-current switching power supply is used for providing a working power supply for the microcomputer pneumatic hydraulic control circuit;
the oil temperature detection module is connected to the power supply module and is used for detecting the oil temperature of hydraulic oil;
the heat dissipation unit is connected with the oil temperature detection module in parallel and is connected to the power module, and the heat dissipation unit is used for reducing the temperature of the hydraulic oil;
and the control module is respectively connected with the power supply module and the motor and is used for detecting the oil way pressure in the pipeline and controlling the working state of the motor according to the oil way pressure.
The technical scheme of the first aspect of the invention has at least one of the following advantages or beneficial effects: the oil temperature of the hydraulic oil is detected in real time by arranging the oil temperature detection module in the microcomputer pneumatic-hydraulic control circuit, meanwhile, the heat dissipation unit is arranged in the microcomputer pneumatic-hydraulic control circuit, the temperature of the hydraulic oil can be reduced through the heat dissipation unit so as to prevent the temperature of the hydraulic oil from being overhigh, in addition, the control module can detect the oil circuit pressure in a pipeline and control the working state of the motor according to the oil circuit pressure so as to enable the motor to work intermittently, and therefore the purposes of saving energy and reducing production cost are achieved. Therefore, the embodiment of the invention can reduce the temperature of the hydraulic oil, improve the safety, and reduce the energy consumption and the production cost.
Optionally, in an embodiment of the present invention, the power module further includes a power input end and a power main switch, the power main switch is connected between the power input end and the control module, and the dc switching power supply is respectively connected to the power input end and the power main switch.
Optionally, in an embodiment of the present invention, the microcomputer pneumatic-hydraulic control circuit further includes a first output end and a second output end, the first output end and the second output end are both connected to the heat dissipation unit, and the first output end and the second output end are both connected to the oil temperature detection module.
Optionally, in an embodiment of the present invention, the microcomputer pneumatic-hydraulic control circuit further includes an abnormality relay connected in series with the oil temperature detection module, and the abnormality relay and the heat dissipation unit are connected in parallel between the first output terminal and the second output terminal.
Optionally, in an embodiment of the present invention, the microcomputer pneumatic-hydraulic control circuit further includes a servo fault alarm unit, the servo fault alarm unit is connected in parallel with the oil temperature detection module and the heat dissipation unit, and is connected in parallel between the first output end and the second output end, and the servo fault alarm unit is configured to prompt a servo fault.
In a second aspect, an embodiment of the present invention further provides a microcomputer pneumatic hydraulic system, including:
an actuator for converting pressure energy of hydraulic oil into mechanical energy;
the power element is respectively connected with the motor and the oil storage tank and is used for converting mechanical energy of the motor into pressure energy of hydraulic oil;
the adjusting unit comprises an electromagnetic directional valve, a first one-way valve and an overflow valve which are sequentially connected, the electromagnetic directional valve is connected with the executing element, and the overflow valve is connected with the power element;
the energy accumulator is respectively connected with the overflow valve and the power element;
the microcomputer electrical module comprises a power supply module, an oil temperature detection module, a heat dissipation unit and a control module, wherein the heat dissipation unit is connected with the oil temperature detection module in parallel, the oil temperature detection module is connected with the power supply module, the control module is respectively connected with the power supply module and the motor, and the control module is used for detecting oil circuit pressure in a pipeline and controlling the working state of the motor according to the oil circuit pressure.
The technical scheme of the second aspect of the invention has at least one of the following advantages or beneficial effects: the microcomputer electric module is arranged in the microcomputer pneumatic hydraulic system and can detect the oil temperature of hydraulic oil in real time through the oil temperature detection module, and meanwhile, the microcomputer electric module can reduce the temperature of the hydraulic oil through the heat dissipation unit to prevent the temperature of the hydraulic oil from being too high.
Optionally, in an embodiment of the present invention, the microcomputer pneumatic-hydraulic system further includes a second check valve connected between the relief valve and the power element.
Optionally, in an embodiment of the present invention, the number of the actuators is two or more, the number of the adjusting units is two or more, and the actuators are connected to the relief valves of the adjusting units one by one.
Optionally, in an embodiment of the present invention, the microcomputer pneumatic hydraulic system further includes filters respectively connected to the oil storage tank and the power element.
In a third aspect, an embodiment of the present invention further provides a microcomputer pneumatic-hydraulic system, including the microcomputer pneumatic-hydraulic control circuit as described in any one of the above first aspects.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic diagram of a microcomputer pneumatic-hydraulic control circuit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a microcomputer pneumatic-hydraulic system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, 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 do not limit the invention.
In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the essential numbers, and greater than, less than, etc. are understood as including the essential numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
The invention provides a microcomputer pneumatic hydraulic control circuit and a microcomputer pneumatic hydraulic system, wherein the microcomputer pneumatic hydraulic control circuit comprises a power module, an oil temperature detection module, a heat dissipation unit and a control module, the power module comprises a direct current switch power supply, the direct current switch power supply is used for providing a working power supply for the microcomputer pneumatic hydraulic control circuit, the oil temperature detection module is connected to the power module and is used for detecting the oil temperature of hydraulic oil, the heat dissipation unit is connected with the oil temperature detection module in parallel, the heat dissipation unit is connected to the power module and can be used for reducing the temperature of the hydraulic oil, the control module is respectively connected to the power module and a motor and can be used for detecting the oil way pressure in a pipeline and controlling the working state of the motor according to the oil way pressure, namely, the scheme of the embodiment of the invention can detect the oil temperature of the hydraulic oil in real time by arranging the oil temperature detection module in the microcomputer pneumatic hydraulic control circuit, meanwhile, the heat dissipation unit is arranged in the microcomputer pneumatic hydraulic control circuit, the heat dissipation unit can be used for reducing the temperature of the hydraulic oil to prevent the temperature of the hydraulic oil from being too high, and the oil way that the control module can detect the oil way of the oil way pressure and can control the working state of the motor according to achieve the oil way of saving energy and intermittent production cost reduction.
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a microcomputer pneumatic-hydraulic control circuit according to an embodiment of the present invention. The microcomputer pneumatic-hydraulic control circuit comprises a power module (not shown in the figure), an oil temperature detection module S11, a heat dissipation unit M2 and a control module 210, wherein the power module comprises a direct-current switch power supply V4, the direct-current switch power supply V4 is used for providing a working power supply for the microcomputer pneumatic-hydraulic control circuit, the oil temperature detection module S11 is connected to the power module, the oil temperature detection module S11 is used for detecting the oil temperature of hydraulic oil, the heat dissipation unit M2 is connected with the oil temperature detection module S11 in parallel, the heat dissipation unit M2 is connected to the power module, the heat dissipation unit M2 can be used for reducing the temperature of the hydraulic oil, the control module 210 is respectively connected to the power module and a motor M1, the control module 210 can be used for detecting the oil path pressure in a pipeline and controlling the working state of the motor M1 according to the oil path pressure, namely, the embodiment of the invention can detect the oil temperature of the hydraulic oil in real time by arranging the oil temperature detection module S11 in the microcomputer pneumatic-hydraulic control circuit, meanwhile, the heat dissipation unit M2 is arranged in the pneumatic-hydraulic control circuit, the heat dissipation unit M2 can reduce the temperature of the hydraulic oil, the oil can be used for preventing the temperature of the hydraulic oil, the control module 210 can detect the oil path in the oil, the oil path, the intermittent working state of the microcomputer pneumatic-hydraulic control circuit, the motor can be used for reducing the energy consumption of the motor, and the energy consumption of the motor can be reduced, and the motor can be reduced, the purpose of the microcomputer pneumatic-hydraulic control cost can be reduced.
It should be noted that the control module 210 may further include a hydraulic servo module 211, where the hydraulic servo module 211 includes a first pin U, a second pin V, and a third pin W, the hydraulic servo module 211 is connected to the motor M1 through the first pin U, the second pin V, and the third pin W, and the control module 210 may further adjust a flow rate of hydraulic oil and a pressure of the hydraulic oil, which is not limited herein.
It should be noted that the heat dissipation unit M2 may be a heat dissipation fan, or may be another heat dissipation unit M2 that can dissipate heat of an oil path, and is not limited herein.
It should be further noted that the dc switching power supply V4 may be turned on or off to supply ac power to the transformer for transformation, and further convert the ac power into high-frequency dc power, which is not limited in this embodiment.
In an embodiment, as shown in fig. 1, the power module further includes a power input end 220 and a power main switch QF1, the power main switch QF1 is connected between the power input end 220 and the control module 210, and the dc switching power supply V4 is respectively connected to the power input end 220 and the power main switch QF 1.
It should be noted that the control module 210 may further include a hydraulic servo module 211, where the hydraulic servo module 211 includes a fourth pin R, a fifth pin S, and a sixth pin T, and the hydraulic servo module 211 is connected to the power supply main switch QF1 through the fourth pin R, the fifth pin S, and the sixth pin T.
It should be noted that the power input terminal 220 may be connected to a three-phase 380V ac power, and is not limited herein.
It should be noted that, a first aviation plug X1 is connected between the dc switching power supply V4 and the power input end 220, and the first aviation plug X1 is used for connecting a power supply or a signal between the power input end 220 and the dc switching power supply V4, and is not limited herein.
In an embodiment, as shown in fig. 1, the microcomputer pneumatic-hydraulic control circuit further includes a first output end OUT1 and a second output end OUT2, the first output end OUT1 and the second output end OUT2 are both connected to the heat dissipation unit M2, and the first output end OUT1 and the second output end OUT2 are both connected to the oil temperature detection module S11.
It should be noted that, a second aviation plug X2, a stop switch SB1, a start switch SB2 and a start relay KA1 are sequentially connected between the dc switch power supply V4 and the second output terminal OUT2, and the start relay KA1 and the first light emitting diode HD1 are connected in parallel between the start switch SB2 and the second output terminal OUT 2.
It should be noted that the first output terminal OUT1 may output a voltage of 24V, and may also output other voltage values, which is not limited herein.
It should be further noted that the microcomputer pneumatic-hydraulic control circuit further includes a second light emitting diode HD2, and the second light emitting diode HD2 is connected between the stop switch SB1 and the second output terminal OUT 2.
In one embodiment, as shown in fig. 1, the microcomputer pneumatic-hydraulic control circuit further includes an abnormality relay KA2, the abnormality relay KA2 is connected in series with the oil temperature detection module S11, and the abnormality relay KA2 and the heat dissipation unit M2 are connected in parallel between the first output terminal OUT1 and the second output terminal OUT 2.
It should be noted that the microcomputer pneumatic-hydraulic control circuit further includes a servo fault relay switch RBC1, and the oil temperature detection module S11 and the servo fault relay switch RBC1 are connected in parallel between the first output end OUT1 and the abnormal relay KA 2.
It should be noted that the oil temperature detecting module S11 may be an oil temperature sensor, an oil temperature meter, or another module capable of measuring oil temperature, and is not limited herein.
In one embodiment, as shown in fig. 1, the microcomputer pneumatic-hydraulic control circuit further includes a servo fault alarm unit HD3, the servo fault alarm unit HD3 is connected in parallel with the oil temperature detection module S11 and the heat dissipation unit M2, and is connected in parallel between the first output terminal OUT1 and the second output terminal OUT2, and the servo fault alarm unit HD3 is used for prompting a servo fault.
It should be noted that the fault occurring in the servo may be a fault such as an overload, an overcurrent, or a phase loss of the circuit, and is not limited in this respect.
It should be noted that the servo failure alarm unit HD3 may be an abnormal alarm lamp, for example, when the microcomputer pneumatic hydraulic control circuit fails, the abnormal alarm lamp is turned on; the servo fault alarm unit HD3 may also be other units that can prompt the circuit to be abnormal, and is not limited herein.
Referring to fig. 2, fig. 2 is a microcomputer pneumatic hydraulic system according to an embodiment of the present invention, the microcomputer pneumatic hydraulic system includes an actuator 101, a power element 107, a regulating unit (not shown), an energy accumulator 106, and a microcomputer electrical module 111, wherein the regulating unit includes a solenoid directional valve 102, a first check valve 104, and a relief valve 103, which are sequentially connected, the solenoid directional valve 102 is connected to the actuator 101, the relief valve 103 is connected to the power element 107, the power element 107 is respectively connected to a motor 108 and an oil storage tank 110, the energy accumulator 106 is respectively connected to the relief valve 103 and the power element 107, the microcomputer electrical module 111 includes a power module (not shown), an oil temperature detection module (not shown), a heat dissipation unit (not shown), and a control module (not shown), the heat dissipation unit is connected in parallel with the oil temperature detection module, the oil temperature detection module is connected to the power module, and the control module is respectively connected to the power module and the motor 108.
It should be noted that the power module includes a dc switching power supply, the dc switching power supply is used to provide a working power supply for the microcomputer pneumatic and hydraulic control circuit, the execution element 101 is used to convert the pressure energy of the hydraulic oil into mechanical energy, the power element 107 is used to convert the mechanical energy of the motor 108 into the pressure energy of the hydraulic oil, and the control module is used to detect the oil path pressure in the pipeline and control the working state of the motor 108 according to the oil path pressure.
In this embodiment, the microcomputer electrical module 111 is disposed in the microcomputer pneumatic hydraulic system, the microcomputer electrical module 111 can detect the oil temperature of the hydraulic oil in real time through the oil temperature detection module, and meanwhile, the microcomputer electrical module 111 can also reduce the temperature of the hydraulic oil through the heat dissipation unit to prevent the temperature of the hydraulic oil from being too high.
It should be noted that the power element 107 may be a unidirectional quantitative hydraulic pump, a unidirectional variable hydraulic pump, a bidirectional quantitative hydraulic pump, a bidirectional variable hydraulic pump, or other power elements, and may be selected according to actual needs, and is not limited herein.
It should be noted that the actuating element 101 may be a hydraulic cylinder, and may also be another element that can convert pressure energy of hydraulic oil into mechanical energy, which is not limited herein.
It should be noted that the accumulator 106 is a hydraulic auxiliary designed to accumulate pressurized fluid, the fluid is incompressible, and the accumulator 106 uses the compressibility of the gas to achieve the purpose of storing the fluid. For example, when the pressure of the hydraulic oil increases, the hydraulic oil enters the accumulator 106, whereby the gas is compressed, and when the pressure of the hydraulic oil decreases, the compressed gas expands and the hydraulic oil is forced into the circuit.
It should be noted that the electromagnetic directional valve 102 is used for controlling the flow direction of the hydraulic oil, and the first check valve 104 is used for controlling the one-way flow of the hydraulic oil in the pipeline; the overflow valve 103 is a hydraulic oil pressure control valve, and mainly plays a role of constant pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment.
It should be noted that the control module may also adjust the flow rate of the hydraulic oil, and is not limited herein.
It should be noted that the heat dissipation unit may be a heat dissipation fan, or may be another heat dissipation unit that can dissipate heat of the oil path, and is not limited herein.
It should be further noted that the dc switching power supply may be turned on or off to supply ac power to the transformer for transformation, and further convert the ac power into dc power with high frequency, which is not limited in this embodiment.
In one embodiment, as shown in fig. 2, the microcomputer pneumatic-hydraulic system further comprises a second check valve 105, and the second check valve 105 is connected between the overflow valve 103 and the power element 107.
In one embodiment, the number of the actuators 101 is two or more, the number of the adjusting units is two or more, and the actuators 101 and the relief valves 103 of the adjusting units are connected one by one.
It should be noted that the number of the actuators 101 may be two, three, or five, and the like, and similarly, the number of the adjusting units may be two, three, or five, and the like, and the number of the actuators 101 and the number of the adjusting units are the same, for example, as shown in fig. 2, when the number of the actuators 101 is 3, the number of the adjusting units is also 3, that is, the electromagnetic directional valve 102, the first check valve 104, and the relief valve 103 are all 3, the electromagnetic directional valve 102, the first check valve 104, and the relief valve 103 are sequentially connected, the actuators 101 and the relief valves 103 of the adjusting units are connected one by one, and 3 relief valves 103 are all connected with the second check valve 105.
In one embodiment, as shown in fig. 2, the microcomputer pneumatic-hydraulic system further includes a filter 109, and the filter 109 is connected to the oil storage tank 110 and the power element 107, respectively, so that the embodiment can filter impurities, ensure the normal operation of the microcomputer pneumatic-hydraulic system, and prolong the service life of each element.
It should be noted that, the filter 109 is of many kinds, and can be selected according to different standards, for example, according to the filtration precision, there can be a coarse filter (d is greater than or equal to 0.1 mm), a normal filter (d is greater than or equal to 0.01 mm), a fine filter (d is greater than or equal to 0.005 mm), and a super-fine filter (d is greater than or equal to 0.001 mm); according to the structure of the filter element, the filter element can be divided into a net type, a line gap type, a paper core type, a sintering type, a magnet type and the like; according to the flow capacity, a full flow filter (full flow can pass through the system) and a partial flow filter (partial flow can pass through the system only); or according to the installation position, there can be a liquid absorption filter, a liquid return filter, a liquid discharge filter, an injection port filter, etc. The general filter 109 may be a mesh filter, a wire-gap filter, a paper core filter, a sintered filter, or a magnetic filter, and may be selected according to actual needs, and is not particularly limited herein.
In addition, another embodiment of the invention also provides a microcomputer pneumatic-hydraulic system which comprises the microcomputer pneumatic-hydraulic control circuit in any one of the embodiments. The microcomputer pneumatic-hydraulic system has the beneficial effects brought by the microcomputer pneumatic-hydraulic control circuit in any embodiment, namely, the microcomputer pneumatic-hydraulic system at least has the following beneficial effects: the scheme of the embodiment of the invention can detect the oil temperature of the hydraulic oil in real time by arranging the oil temperature detection module in the microcomputer pneumatic-hydraulic control circuit, and simultaneously, the heat dissipation unit is arranged in the microcomputer pneumatic-hydraulic control circuit, and can reduce the temperature of the hydraulic oil so as to prevent the temperature of the hydraulic oil from being overhigh.
The above-described embodiments of the apparatus are merely illustrative, wherein the units illustrated as separate parts may or may not be physically separate, i.e. may be located in one place, or may also be distributed over a plurality of units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims (10)

1. A microcomputer pneumatic-hydraulic control circuit is characterized by comprising:
the power supply module comprises a direct-current switching power supply, and the direct-current switching power supply is used for providing a working power supply for the microcomputer pneumatic hydraulic control circuit;
the oil temperature detection module is connected to the power supply module and is used for detecting the oil temperature of hydraulic oil;
the heat dissipation unit is connected with the oil temperature detection module in parallel and is connected to the power module, and the heat dissipation unit is used for reducing the temperature of the hydraulic oil;
and the control module is respectively connected with the power supply module and the motor and is used for detecting the oil way pressure in the pipeline and controlling the working state of the motor according to the oil way pressure.
2. The micro-computer pneumatic-hydraulic control circuit as recited in claim 1, wherein the power module further comprises a power input terminal and a power main switch, the power main switch is connected between the power input terminal and the control module, and the dc switch power source is respectively connected with the power input terminal and the power main switch.
3. The microcomputer pneumatic-hydraulic control circuit according to claim 1, further comprising a first output terminal and a second output terminal, wherein the first output terminal and the second output terminal are both connected to the heat dissipation unit, and the first output terminal and the second output terminal are both connected to the oil temperature detection module.
4. The microcomputer pneumatic-hydraulic control circuit of claim 1, further comprising an abnormality relay connected in series with the oil temperature detection module, and connected in parallel with the heat dissipation unit between a first output terminal and a second output terminal.
5. The microcomputer pneumatic-hydraulic control circuit according to claim 1, further comprising a servo failure alarm unit, wherein the servo failure alarm unit is connected in parallel with the oil temperature detection module and the heat dissipation unit and in parallel between the first output terminal and the second output terminal, and the servo failure alarm unit is used for prompting a servo failure.
6. A microcomputer pneumatic hydraulic system, comprising:
the actuating element is used for converting the pressure energy of the hydraulic oil into mechanical energy;
the power element is respectively connected with the motor and the oil storage tank and is used for converting mechanical energy of the motor into pressure energy of hydraulic oil;
the adjusting unit comprises an electromagnetic directional valve, a first one-way valve and an overflow valve which are sequentially connected, the electromagnetic directional valve is connected with the executing element, and the overflow valve is connected with the power element;
the energy accumulator is respectively connected with the overflow valve and the power element;
the microcomputer electrical module comprises a power supply module, an oil temperature detection module, a heat dissipation unit and a control module, wherein the heat dissipation unit is connected with the oil temperature detection module in parallel, the oil temperature detection module is connected with the power supply module, the control module is respectively connected with the power supply module and the motor, and the control module is used for detecting oil circuit pressure in a pipeline and controlling the working state of the motor according to the oil circuit pressure.
7. The micro-computer pneumatic hydraulic system as set forth in claim 6, further comprising a second check valve connected between said relief valve and said power element.
8. The micro-computer pneumatic hydraulic system as recited in claim 6, wherein the number of the actuators is two or more, the number of the adjusting units is two or more, and the actuators are connected with the relief valves of the adjusting units one by one.
9. The micro-computer pneumatic-hydraulic system as set forth in claim 6, further comprising a filter connected to the oil reservoir and the power element, respectively.
10. A microcomputer pneumatic hydraulic system is characterized in that: comprising a microcomputer pneumatic-hydraulic control circuit according to any one of claims 1 to 5.
CN202210840998.0A 2022-07-18 2022-07-18 Microcomputer pneumatic hydraulic control circuit and microcomputer pneumatic hydraulic system Pending CN115185217A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210840998.0A CN115185217A (en) 2022-07-18 2022-07-18 Microcomputer pneumatic hydraulic control circuit and microcomputer pneumatic hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210840998.0A CN115185217A (en) 2022-07-18 2022-07-18 Microcomputer pneumatic hydraulic control circuit and microcomputer pneumatic hydraulic system

Publications (1)

Publication Number Publication Date
CN115185217A true CN115185217A (en) 2022-10-14

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Application Number Title Priority Date Filing Date
CN202210840998.0A Pending CN115185217A (en) 2022-07-18 2022-07-18 Microcomputer pneumatic hydraulic control circuit and microcomputer pneumatic hydraulic system

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