CN102278301A - Electrical control hydraulic pump - Google Patents
Electrical control hydraulic pump Download PDFInfo
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- CN102278301A CN102278301A CN2011102430176A CN201110243017A CN102278301A CN 102278301 A CN102278301 A CN 102278301A CN 2011102430176 A CN2011102430176 A CN 2011102430176A CN 201110243017 A CN201110243017 A CN 201110243017A CN 102278301 A CN102278301 A CN 102278301A
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- hydraulic pump
- control module
- remote control
- electric
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Abstract
The invention provides an electrical control hydraulic pump which comprises a remote control switch and an electrical control unit, wherein the remote control switch is arranged at one end of a quick coupling and is internally provided with a first remote control module; and the electrical control unit is electrically connected with a battery pack and is arranged at one end of the hydraulic pump. The electrical control unit comprises a singlechip computer, a second remote control module, a motor control module and an electrical switch valve control module. The first remote control module is communicated with the second remote control module in a wireless manner or a wired manner. A control signal is transmitted by an operator through the remote control switch; after the control signal is received by the electrical control unit, the aim that the pump is controlled by the operator at the tool end is achieved by controlling actions of a direct current motor and an electrical switch valve; and the operation is flexible, thus precious rescue time is saved. In addition, according to the electrical control hydraulic pump disclosed by the invention, the direct current motor adopts a minitype outer rotor brushless direct current motor, thus the electrical control hydraulic pump is minimized and is more convenient to carry. Besides, the electrical control hydraulic pump is integrally in a back negative pressure structural form; and a shoulder strap or a waistband is arranged on the electrical control hydraulic pump and is more conductive to operate by single person with single hand.
Description
Technical field
The invention belongs to the hydraulic power source system field, especially relate to a kind of electric-controlled hydraulic pump that is used for rescue aid.
Background technique
Along with expanding economy and social progress, the rescue operation of tackling various natural disasteies also more and more is subjected to the attention of entire society.
Electric hydraulic pump is the hydraulic power source system of often using in the rescue rescue, and it provides power by rapid pipe joint to Hydraulic power tools.
The control switch of existing electric hydraulic pump places on the body usually, because the rescue personnel in the rescue process, needs frequent switch oil hydraulic pump, if the operator is away from electric hydraulic pump, the operation of walking up and down not only bothers but also lose time, and is unfavorable for carrying out fast of stand-by service.
Summary of the invention
The problem to be solved in the present invention provides a kind of electric-controlled hydraulic pump, and it can be implemented in the work of tool ends end control pump, does not need operator's switch oil hydraulic pump of walking up and down, and the power that especially is suitable for rescue and relief work dedicated hydraulic instrument is supporting.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of electric-controlled hydraulic pump, it comprises rapid pipe joint, direct current generator, oil hydraulic pump, hydraulic oil, electric switching valve, battery pack, control gear.Described control gear comprises teleswitch and ECU (Electrical Control Unit); Teleswitch places rapid pipe joint one end, is built-in with first remote control module; ECU (Electrical Control Unit) is electrically connected with battery pack, places oil hydraulic pump one end;
Described ECU (Electrical Control Unit) comprises single-chip microcomputer, motor control module, motor switch valve module, second remote control module, and single-chip microcomputer links to each other with motor control module, motor switch valve module, second remote control module respectively;
Described second remote control module sends this instruction to single-chip microcomputer after receiving the control command that first remote control module sends;
Described single-chip microcomputer is according to the instruction of input, to corresponding module sending controling instruction;
Described motor switch valve module is controlled closing or opening of electric switching valve according to the control command of single-chip microcomputer, thus the trend of control hydraulic oil;
Described motor control module drives starting or stoping of direct current generator according to the control command of single-chip microcomputer, thus the operation of control oil hydraulic pump.
The operator sends control command by the teleswitch of tool ends end, ECU (Electrical Control Unit) receives after the control signal that teleswitch sends and to start or to stop by set work-based logic control direct current generator and the closing or opening, the purpose of implementation tool end control electric-controlled hydraulic pump of electric switching valve.
First remote control module of the present invention and second remote control module can be the wireless transport modules that communicates with one another, as Bluetooth wireless transmission module, infrared transmission module; First remote control module and second remote control module can also pass through wire transmission mode, carry out communication as concentric cable, twisted-pair feeder etc.The preferred Bluetooth wireless transmission module of the present invention.
The Bluetooth wireless transmission mode that the present invention adopts, blocking the environment command range in nothing is 10 meters, near the 2.4G working frequency range each second frequency modulation 1600 times at least, meeting the frequency conflicts system has and keeps out of the way and retransmit algorithm, 800 bluetooths are used together also and can not conflicted in theory.Thereby guaranteeing to use simultaneously in the same scope of rescue site many these practical electric-controlled hydraulic pumps of cover to carry out stand-by service does not disturb mutually yet.
Described teleswitch can be provided with operating button as control electric-controlled hydraulic pump startup/button that stops and button that opening electric switching valve, can also be provided with the LED electric weight tutorial light of the electric weight of display remoting switch, and the LED working station indicator of display remoting switch working state or system alarm prompting.
Described oil hydraulic pump can be high-pressure plunger pump or low-pressure plunger pump, and minimum 23MPa is provided, the pressure of the highest 63MPa.
Described ECU (Electrical Control Unit) can also comprise system voltage current monitoring module, and system voltage current monitoring module links to each other with single-chip microcomputer.In the whole process of electric-controlled hydraulic pump operation, the electric current and voltage monitoring modular is monitored in real time to voltage, the electric current of system, when operating current surpasses predetermined value or voltage and is lower than predetermined value, the electric current and voltage monitoring modular sends a signal to single-chip microcomputer, single-chip microcomputer stops hydraulic pump works by motor control module, and send alarm signal, thereby guarantee that hydraulic pump works is safe and reliable.
Described single-chip microcomputer can have watchdog circuit, and effectively anti-locking system enters endless loop or program fleet, and the assurance system is reliable.
Described ECU (Electrical Control Unit) can also be carried out speed governing to direct current generator, and it is realized to the pulse duration modulation (PWM) that motor loads different dutycycles by motor control module.
Described battery pack can adopt any high-efficiency battery in Ni-MH battery and the lithium cell, and battery pack is the direct current generator power supply.
Described liquid voltage-controlled valve can comprise high low pressure changing valve, pressure regulator valve and deadweight safety valve.The hydraulic oil of oil hydraulic pump output, is regulated pressure regulator valve and can be regulated pressure to the highest 63MPa to pressure regulator valve through the high low pressure changing valve, regulates the working pressure that pressure regulator valve also can change hydraulic oil output.
The mode that described electric switching valve can adopt electronic leading screw and unidirectional hydraulic lock to combine, thus the reliable open and close of oil circuit guaranteed under the high pressure of 63MPa.When electric switching valve was closed, the hydraulic oil in the high-pressure oil pipe was opened towards the path of tool ends end, and hydraulic oil is closed towards the path of fuel tank; When electric switching valve was opened, hydraulic oil was opened towards the path of fuel tank, and hydraulic oil is closed towards the path of tool ends end.
The oil hydraulic pump that present rescue industry is used adopts the micro high efficiency direct current generator seldom, as a kind of improvement of the present invention, direct current generator has adopted miniature outer rotor brushless DC motor, can be the silicon steel label to be arranged or do not have silicon steel label direct current generator, thereby guarantee that used motor is in light weight, moment of torsion is big, efficient is high, operational noise is little, device is microminiaturized.The voltage of described direct current generator is selected any voltage in 12V to the 48V scope for use.
As another kind of improvement the of the present invention, electric-controlled hydraulic pump integral body is the piggy-back structure form, and device is provided with shoulder belt or waistband, thereby the easy-to-operat person portably uses.
Advantage and good effect that the present invention has are: owing to adopt technique scheme, in the difficult problem of tool ends end control pump, operate more efficient and conveniently when having solved hydraulic pump works, maneuverability has been saved valuable rescue time.Because the present invention, has not only alleviated the weight of device greatly with the existing apparatus microminiaturization but also reduced the operational noise of equipment, be designed to the more convenient single one-handed operation of backpack in addition, have more easy to operate, be easy to carry about with one, advantage such as rescue.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a circuit block diagram of the present invention.
Among the figure:
1, rapid pipe joint 2, teleswitch 3, high-pressure oil pipe
4, direct current generator 5, electric switching valve 6, oil hydraulic pump
7, battery pack 8, ECU (Electrical Control Unit) 9, fuel tank
Embodiment
As shown in Figure 1 and Figure 2, electric-controlled hydraulic pump of the present invention comprises rapid pipe joint 1, high-pressure oil pipe 3, direct current generator 4, oil hydraulic pump 6, high low pressure changing valve, pressure regulator valve, deadweight safety valve, fuel tank 9, electric switching valve 5, battery pack 7, ECU (Electrical Control Unit) 8, teleswitch 2.
Oil hydraulic pump 6 can be a high-pressure plunger pump, and the pressure of the highest 63MPa is provided, and pump is output as single oil channel structures.
Directly motor 4 is miniature outer rotor brushless DC motors, can adopt the silicon steel label or not have silicon steel label direct current generator.
The mode that electric switching valve 5 adopts electronic leading screw and unidirectional hydraulic lock to combine, thus the reliable open and close of oil circuit guaranteed under the high pressure of 63MPa.When electric switching valve 5 was closed, the hydraulic oil in the high-pressure oil pipe 3 was opened towards the path of tool ends end, and hydraulic oil is closed towards the path of fuel tank 9; When electric switching valve 5 was opened, hydraulic oil was opened towards the path of fuel tank 9, and hydraulic oil is closed towards the path of tool ends end.
Battery pack 7 can adopt any high-efficiency battery in Ni-MH battery and the lithium cell, and battery pack 7 is that direct current generator 4 also has ECU (Electrical Control Unit) 8 power supplies.
Teleswitch 2 comprises: the control electric-controlled hydraulic pump startup/button A that stops, button B that opens electric switching valve 5, the LED working station indicator of the LED electric weight tutorial light of the electric weight of display remoting switch, display remoting switch 2 working staties or system alarm prompting, the inside of teleswitch 2 is provided with the Bluetooth transmission module.
ECU (Electrical Control Unit) 8 comprises: have single-chip microcomputer, second remote control module, motor control module, electric switching valve control module and the system voltage current monitoring module of watchdog circuit, single-chip microcomputer links to each other with motor control module, motor switch valve module, second remote control module respectively.
Teleswitch 2 places rapid pipe joint 1 one ends, communicates with one another in the Bluetooth wireless transmission mode between second remote control module in the teleswitch 2 in first remote control module and the ECU (Electrical Control Unit) 8.
The working procedure of this example is as shown in Figure 2:
Hydraulic power tools is connected with the electric-controlled hydraulic pump by rapid pipe joint 1.
When the operator presses when pushing button A in tool ends end, first remote control module of teleswitch 2 sends control signal, control signal is delivered to single-chip microcomputer after being received by second remote control module in the ECU (Electrical Control Unit) 8, single-chip microcomputer at first generates instruction and is sent to the motor switch valve module, the motor switch valve module is closed electric switching valve 5 by executive circuit, make the path that hydraulic oil in the high-pressure oil pipe 3 leads to tool ends end open, the path that hydraulic oil leads to fuel tank 9 is closed.Then, single-chip microcomputer sends instruction again and gives motor control module, start direct current generator 4 by executive circuit, the output shaft of direct current generator 4 drives oil hydraulic pump 6 work, to pressure regulator valve, pressure regulator valve is adjusted to 63MPa with working pressure to the hydraulic oil of oil hydraulic pump 6 outputs through the high low pressure changing valve, and the hydraulic oil through regulating pressure valve output is through electric switching valve 5, enter into tool ends end by high-pressure oil pipe 3 again, for Hydraulic power tools provides power.
When button A lifts, first remote control module of teleswitch 2 sends control signal, control signal is delivered to single-chip microcomputer after being received by second remote control module in the ECU (Electrical Control Unit) 8, single-chip microcomputer sends instruction and gives motor control module, stop the operation of direct current generator 4, thereby oil hydraulic pump 6 is quit work, and Hydraulic power tools keep working state under the effect of hydraulic fluid pressure.
When button B, first remote control module of teleswitch 2 sends control signal, control signal is delivered to single-chip microcomputer after being received by second remote control module in the ECU (Electrical Control Unit) 8, single-chip microcomputer generates instruction and is sent to the motor switch valve module, the motor switch valve module after receiving this instruction is opened electric switching valve, make the path that hydraulic oil in the high-pressure oil pipe 3 leads to tool ends end close, open in the path that leads to fuel tank 9, return fuel tank 9 by high-pressure oil pipe 3 after the hydraulic oil release in the Hydraulic power tools, instrument is in reset mode.
System voltage current monitoring module in above whole process in the ECU (Electrical Control Unit) 8 is monitored in real time to voltage, the electric current of system, when operating current surpasses predetermined value or voltage and is lower than predetermined value, system voltage current monitoring module sends a signal to single-chip microcomputer, single-chip microcomputer is by 6 work of motor control module stop solution press pump, and send alarm signal by second remote control module, after described first remote control module receives this alarm signal, send alarm by control switch 2, before this LED working station indicator of light yellow constantly flicker this moment always.
Be the safe operation of protection electric-controlled hydraulic pump, electric-controlled hydraulic pump of the present invention also is provided with deadweight safety valve on oil hydraulic pump 6, and when system pressure was higher than safety pressure, deadweight safety valve was opened, and laid down partial pressure, and at this moment pressure reduces; When system pressure was lower than safety pressure, deadweight safety valve cut out, and system reaches safety pressure.
Described ECU (Electrical Control Unit) 8 can also be carried out speed governing to direct current generator 4, and it realizes speed governing by the pulse duration modulation (PWM) of loading different dutycycles for direct current generator 4 to motor control module.
As another kind of improvement the of the present invention, electric-controlled hydraulic pump integral body is the piggy-back structure form, and device is provided with shoulder belt or waistband, thereby the easy-to-operat person portably uses.
The communication of first remote control module and second remote control module can also be other wireless transmission methods in this example, as the infrared transmission mode, also can be wire transmission mode, as passing through cable transmission mode transmission signal such as concentric cable, twisted-pair feeder.
More than one embodiment of the present of invention are had been described in detail, but described content only is preferred embodiment of the present invention, can not be considered to be used to limit practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (10)
1. electric-controlled hydraulic pump, it comprises rapid pipe joint (1), direct current generator (4), oil hydraulic pump (6), electric switching valve (5), battery pack (7), control gear, it is characterized in that: described control gear comprises teleswitch (2) and ECU (Electrical Control Unit) (8);
Teleswitch (2) places rapid pipe joint (1) one end, is built-in with first remote control module;
ECU (Electrical Control Unit) (8) is electrically connected with battery pack (7), places oil hydraulic pump (6) one ends;
Described ECU (Electrical Control Unit) (8) comprises single-chip microcomputer, motor control module, motor switch valve module, second remote control module, and single-chip microcomputer links to each other with motor control module, motor switch valve module, second remote control module respectively;
Described second remote control module sends this instruction to single-chip microcomputer after receiving the control command that first remote control module sends;
Described single-chip microcomputer is according to the instruction of input, to corresponding module sending controling instruction;
Described motor switch valve module is controlled closing or opening of electric switching valve (5) according to the control command of single-chip microcomputer, thus the trend of control hydraulic oil;
Described motor control module drives starting or stoping of direct current generator (4) according to the control command of single-chip microcomputer, thus the operation of control oil hydraulic pump (6).
2. electric-controlled hydraulic pump according to claim 1 is characterized in that: first remote control module and second remote control module are the wireless transport modules that communicates with one another.
3. electric-controlled hydraulic pump according to claim 2 is characterized in that: first remote control module and second remote control module are the Bluetooth wireless transmission modules that communicates with one another.
4. electric-controlled hydraulic pump according to claim 1 is characterized in that: first remote control module and second remote control module are the wire transmission modules that communicates with one another.
5. electric-controlled hydraulic pump according to claim 1, it is characterized in that: described ECU (Electrical Control Unit) (8) also comprises the system voltage current monitoring module that links to each other with single-chip microcomputer, described system voltage current monitoring module is sent alarm signal by single-chip microcomputer to second remote control module, and described first remote control module receives this alarm signal and sends alarm by control switch (2).
6. electric-controlled hydraulic pump according to claim 1 is characterized in that: described oil hydraulic pump (6) is high-pressure plunger pump or low-pressure plunger pump.
7. electric-controlled hydraulic pump according to claim 1 is characterized in that: described direct current generator (4) is miniature outer rotor brushless DC motor.
8. electric-controlled hydraulic pump according to claim 1 is characterized in that: described single-chip microcomputer has watchdog circuit.
9. electric-controlled hydraulic pump according to claim 1 is characterized in that: described teleswitch (2) also is provided with operating button, the indicating device of display remoting switch (2) electric weight and the indicating device of display remoting switch (2) working state of control electric-controlled hydraulic pump work state.
10. according to each described electric-controlled hydraulic pump in the claim 1 to 9, it is characterized in that: electric-controlled hydraulic pump global shape is a piggy-back structure, is provided with shoulder belt or waistband.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102430176A CN102278301A (en) | 2011-09-14 | 2011-09-14 | Electrical control hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102430176A CN102278301A (en) | 2011-09-14 | 2011-09-14 | Electrical control hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102278301A true CN102278301A (en) | 2011-12-14 |
Family
ID=45103946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102430176A Pending CN102278301A (en) | 2011-09-14 | 2011-09-14 | Electrical control hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102278301A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635538A (en) * | 2012-04-28 | 2012-08-15 | 胡军 | Small-sized brushless direct current self-absorption multi-cavity pump provided with outer rotor |
| CN104294909A (en) * | 2014-10-07 | 2015-01-21 | 国家电网公司 | Intelligent drainage system of electric cable well |
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| US6136184A (en) * | 1998-03-19 | 2000-10-24 | King; Lael D. | Liquid chemical delivery system |
| US20040213676A1 (en) * | 2003-04-25 | 2004-10-28 | Phillips David L. | Active sensing and switching device |
| CN101225837A (en) * | 2008-01-30 | 2008-07-23 | 太原理工天成科技股份有限公司 | Control system of down-hole hydraulic valve and equipment thereof |
| CN101676572A (en) * | 2008-09-19 | 2010-03-24 | 呼六福 | Directly-connected minitype hydraulic-pump combined control system and control device thereof |
| CN201963631U (en) * | 2011-02-22 | 2011-09-07 | 马兆林 | Portable manual, pneumatic and electric miniature hydraulic pump |
| CN202228324U (en) * | 2011-08-23 | 2012-05-23 | 天津泰瑞救援装备有限公司 | Electrical control hydraulic pump |
-
2011
- 2011-09-14 CN CN2011102430176A patent/CN102278301A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6136184A (en) * | 1998-03-19 | 2000-10-24 | King; Lael D. | Liquid chemical delivery system |
| US20040213676A1 (en) * | 2003-04-25 | 2004-10-28 | Phillips David L. | Active sensing and switching device |
| CN101225837A (en) * | 2008-01-30 | 2008-07-23 | 太原理工天成科技股份有限公司 | Control system of down-hole hydraulic valve and equipment thereof |
| CN101676572A (en) * | 2008-09-19 | 2010-03-24 | 呼六福 | Directly-connected minitype hydraulic-pump combined control system and control device thereof |
| CN201963631U (en) * | 2011-02-22 | 2011-09-07 | 马兆林 | Portable manual, pneumatic and electric miniature hydraulic pump |
| CN202228324U (en) * | 2011-08-23 | 2012-05-23 | 天津泰瑞救援装备有限公司 | Electrical control hydraulic pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635538A (en) * | 2012-04-28 | 2012-08-15 | 胡军 | Small-sized brushless direct current self-absorption multi-cavity pump provided with outer rotor |
| WO2013159425A1 (en) * | 2012-04-28 | 2013-10-31 | Yang Zhujun | Micro brushless direct-current self-priming external-rotor multi-chambered pump |
| CN104294909A (en) * | 2014-10-07 | 2015-01-21 | 国家电网公司 | Intelligent drainage system of electric cable well |
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Application publication date: 20111214 |