CN104074733A - Signal detection control device for variable pump control panel and flow proportional valve - Google Patents
Signal detection control device for variable pump control panel and flow proportional valve Download PDFInfo
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- CN104074733A CN104074733A CN201410238768.2A CN201410238768A CN104074733A CN 104074733 A CN104074733 A CN 104074733A CN 201410238768 A CN201410238768 A CN 201410238768A CN 104074733 A CN104074733 A CN 104074733A
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- signal
- flow
- variable displacement
- displacement pump
- proportion valve
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Abstract
The invention relates to a signal detection control device for a variable pump control panel and a flow proportional valve. The signal detection control device comprises a signal transfer box and a signal control box, wherein the signal transfer box is connected with a variable pump control plug and a flow proportional valve plug respectively through connecting cables; the signal transfer box is further connected with the signal control box through a connecting cable; the signal control box is provided with a pressure regulating knob for regulating the output pressure of a variable pump, and a flow regulating knob for regulating the flow of the flow proportional valve. By adopting the signal detection control device, the variable pump and the flow proportional valve can be detected and debugged.
Description
Technical field
The present invention relates to the detection control technique field of variable displacement pump and flow proportion valve, particularly relate to a kind of input control gear for variable displacement pump control panel and flow proportion valve.
Background technique
Variable displacement pump is the variable pump of discharge capacity, has realized Hydraulic System for Injection Moulding Machine transformation to pump control by valve control, makes conventional Metering Flow Control Circuits change proportionality velocity modulation system into, and the Control performance standard of complete machine has had new improving.Can realize rate variable pumping system by variable displacement pump and flow proportion valve, it has good adaptivity, the pressure of its output and flow can be consistent with loading demand, the flow that has solved Metering Flow Control Circuits is not suitable with pressure and is not suitable with problem, energy loss greatly reduces, system effectiveness improves, and energy-saving effect is fairly obvious, but the variable displacement pump in rate variable pumping system and flow proportion valve are difficult for detecting and debugging.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of input control gear for variable displacement pump control panel and flow proportion valve, can variable displacement pump and flow proportion valve be detected and be debugged.
The technical solution adopted for the present invention to solve the technical problems is: a kind of input control gear for variable displacement pump control panel and flow proportion valve is provided, comprise Signal transfer box and SC sigmal control box, described Signal transfer box is connected with flow proportion valve plug with variable displacement pump controller plug respectively by conjunction cable, described Signal transfer box is also connected with SC sigmal control box by conjunction cable, and described SC sigmal control box is provided with for the pressure adjustment knob of Moderator Variable pump delivery pressure with for the Flow-rate adjustment knob of adjust flux Proportional valve flow.
Described Signal transfer box is provided with diverter switch, and when diverter switch is during in the first gear, the signal on variable displacement pump is by variable displacement pump controller plug entering signal interconnecting device, and the signal of flow proportion valve is by flow proportion valve plug entering signal boxcar; When diverter switch is during in the second gear, realize the control to variable displacement pump and flow proportion valve by SC sigmal control box.
On described SC sigmal control box, be also provided with signal measurement interface.
Described SC sigmal control box is provided with signal source diverter switch, when signal source diverter switch can be by the signal of the direct measurand pump of signal measurement interface and flow proportion valve during in the first gear; When signal source diverter switch can be passed through pressure adjustment knob Moderator Variable pump delivery pressure during in the second gear, by Flow-rate adjustment knob adjust flux Proportional valve flow.
On described SC sigmal control box, be also provided with USB interface.
On described SC sigmal control box, be also provided with the polarity switching signal for controlled variable pump and the operation of flow proportion valve forward or inverted running.
Beneficial effect
Owing to having adopted above-mentioned technological scheme, the present invention compared with prior art, has following advantage and good effect: the invention solves variable displacement pump and flow proportion valve and be difficult for the problem that detects and debug, and highly versatile, easy to carry.The present invention, by the separate design of two boxes, separates field quick detection and data acquisition and control, convenient operation.The present invention can disconnect being connected of control system for shot machine and variable displacement pump or Proportional valve, and the pressure controling signal of exporting 0～10VDC with the flux signal of-10VDC～0 and 0～10VDC to variable displacement pump or flow proportion valve, realize the positive and negative operation of pump and Proportional valve.The present invention also transfers signals to computer by USB interface, has realized highi degree of accuracy and high-resolution continuous acquisition and record to signal, reaches the object of dynamic monitoring.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the circuit diagram of Signal transfer box in the present invention;
Fig. 3 is the circuit diagram of SC sigmal control box in the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiments are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiments of the present invention relate to a kind of input control gear for variable displacement pump control panel and flow proportion valve, as shown in Figure 1, comprise Signal transfer box 1 and SC sigmal control box 2, described Signal transfer box 1 is connected with flow proportion valve plug 4 with variable displacement pump controller plug 3 respectively by conjunction cable 5, described Signal transfer box 1 is also connected with SC sigmal control box 2 by conjunction cable 10, and described SC sigmal control box 2 is provided with for the pressure adjustment knob 13 of Moderator Variable pump delivery pressure with for the Flow-rate adjustment knob 14 of adjust flux Proportional valve flow.Described Signal transfer box 1 is provided with diverter switch 20, when diverter switch 20 is during in the first gear, signal on variable displacement pump is by variable displacement pump controller plug 3 entering signal interconnecting devices 1, and the signal of flow proportion valve is by flow proportion valve plug 4 entering signal boxcars 1; When diverter switch 20 is during in the second gear, realize the control to variable displacement pump and flow proportion valve by SC sigmal control box 2.On described SC sigmal control box 2, be also provided with signal measurement interface 18.Described SC sigmal control box 2 is provided with signal source diverter switch 17, when signal source diverter switch 17 can be by the signal of the direct measurand pump of signal measurement interface 18 and flow proportion valve during in the first gear; When signal source diverter switch 17 can be passed through pressure adjustment knob 13 Moderator Variable pump delivery pressures during in the second gear, by Flow-rate adjustment knob 14 adjust flux Proportional valve flows.On described SC sigmal control box 2, be also provided with usb 19.On described SC sigmal control box 2, be also provided with the polarity switching signal 16 for controlled variable pump and the operation of flow proportion valve forward or inverted running.
As shown in Figure 1, this device mainly comprises Signal transfer box 1, conjunction cable 5, variable displacement pump controller plug 3, flow proportion valve plug 4, D-sub15 needle interface 8, setting value diverter switch 20, M25-12 socket 6, M20-6 socket 7 and conjunction cable 10, SC sigmal control box 2, D-sub15 needle interface 9, power supply indicator 11, fault indicating lamp 12, pressure adjustment knob 13, Flow-rate adjustment knob 14, power switch 15, polarity switching signal 16, signal source diverter switch 17, signal measurement interface 18, usb 19.
Its working principle is as follows:
1. when the setting value diverter switch 20 on Signal transfer box 1 is placed in " Bypass ", socket 6 or socket 7 by Signal transfer box 1 are transferred to the control signal of the variable displacement pump control signal of control system for shot machine or flow proportion valve on on-the-spot variable displacement pump control panel or flow proportion valve by plug 3 or plug 4, these signals are also transferred to interface 8 simultaneously, available multimeter is directly measured these signals on interface 8, also can interface 8 and interface 9 be coupled together with conjunction cable 10, can detect these signals by signal measurement interface 18 like this, also can signal be input to the computer with monitoring software by usb 19 simultaneously, to signal Real-time Collection and record.Now all toggle switches on SC sigmal control box 2 and the function of knob all lost efficacy.
2. when the setting value diverter switch 20 on Signal transfer box 1 is placed in " Box ", be cut off from the related setting value of control system for shot machine, variable displacement pump or Proportional valve quit work.Interface 8 and interface 9 are connected with conjunction cable 10, give SC sigmal control box 2 by these SC sigmal control power.Fig. 2 is the circuit diagram of Signal transfer box, and the physical circuit part of Signal transfer box can be as shown in Figure 2.
3. SC sigmal control box 2 receives after Signal transfer box 1 control:
A. power switch 15 is placed in " on ", signal source diverter switch 17 is placed in " NCx " time, control system for shot machine and variable displacement pump or flow proportion valve normal communication, now on signal measurement interface 18, available multimeter is directly measured these signals.Also can be connected to the computer with monitoring software by usb 19, to signal Real-time Collection and record simultaneously.
B. power switch 15 is placed in " on ", signal source diverter switch 17 is placed in " Box " time, be cut off from the related setting value of control system for shot machine, variable displacement pump or Proportional valve quit work.Now adjustable pressure adjusting knob 13 and Flow-rate adjustment knob 14, come manual drives variable displacement pump or flow proportion valve.Now on signal measurement interface 18, available multimeter is directly measured these signals.Also can be connected to the computer with monitoring software by usb 19, to signal Real-time Collection and record simultaneously.
C. power switch 15 is placed in " on ", signal source diverter switch 17 is placed in " Box ", polarity switching signal 16 is placed in " pos+ " time, variable displacement pump and flow proportion valve move in forward.
D. power switch 15 is placed in " on ", signal source diverter switch 17 is placed in " Box ", polarity switching signal 16 is placed in " neg-" time, variable displacement pump and flow proportion valve are in inverted running.
Power switch 15 on SC sigmal control box 2 is placed in " on " time, power supply indicator 11 is bright.When system has fault, fault indicating lamp 12 is bright.
Be not difficult to find, the invention solves variable displacement pump and flow proportion valve and be difficult for the problem that detects and debug, and highly versatile, easy to carry.The present invention, by the separate design of two boxes, separates field quick detection and data acquisition and control, convenient operation.The present invention can disconnect being connected of control system for shot machine and variable displacement pump or Proportional valve, and the pressure controling signal of exporting 0～10VDC with the flux signal of-10VDC～0 and 0～10VDC to variable displacement pump or flow proportion valve, realize the positive and negative operation of pump and Proportional valve.The present invention also transfers signals to computer by USB interface, has realized highi degree of accuracy and high-resolution continuous acquisition and record to signal, reaches the object of dynamic monitoring.
Claims (6)
1. the input control gear for variable displacement pump control panel and flow proportion valve, comprise Signal transfer box (1) and SC sigmal control box (2), it is characterized in that, described Signal transfer box (1) is connected with flow proportion valve plug (4) with variable displacement pump controller plug (3) respectively by conjunction cable, described Signal transfer box (1) is also connected with SC sigmal control box (2) by conjunction cable, described SC sigmal control box (2) is provided with for the pressure adjustment knob (13) of Moderator Variable pump delivery pressure with for the Flow-rate adjustment knob (14) of adjust flux Proportional valve flow.
2. the input control gear for variable displacement pump control panel and flow proportion valve according to claim 1, it is characterized in that, described Signal transfer box (1) is provided with diverter switch (20), when diverter switch (20) is during in the first gear, signal on variable displacement pump is by variable displacement pump controller plug (3) entering signal interconnecting device (1), and the signal of flow proportion valve is by flow proportion valve plug (4) entering signal boxcar (1); When diverter switch (20) is during in the second gear, realize the control to variable displacement pump and flow proportion valve by SC sigmal control box (2).
3. the input control gear for variable displacement pump control panel and flow proportion valve according to claim 1, is characterized in that, is also provided with signal measurement interface (18) on described SC sigmal control box (2).
4. the input control gear for variable displacement pump control panel and flow proportion valve according to claim 3, it is characterized in that, described SC sigmal control box (2) is provided with signal source diverter switch (17), when signal source diverter switch (17) can be by the directly signal of measurand pump and flow proportion valve of signal measurement interface (18) during in the first gear; When signal source diverter switch (17) can be passed through pressure adjustment knob (13) Moderator Variable pump delivery pressure during in the second gear, by Flow-rate adjustment knob (14) adjust flux Proportional valve flow.
5. the input control gear for variable displacement pump control panel and flow proportion valve according to claim 1, is characterized in that, is also provided with USB interface (19) on described SC sigmal control box (2).
6. the input control gear for variable displacement pump control panel and flow proportion valve according to claim 1, it is characterized in that, on described SC sigmal control box (2), be also provided with the polarity switching signal (16) for controlled variable pump and the operation of flow proportion valve forward or inverted running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410238768.2A CN104074733B (en) | 2014-05-29 | 2014-05-29 | A kind of signal detection for variable pump panel and flow proportion valve controls device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410238768.2A CN104074733B (en) | 2014-05-29 | 2014-05-29 | A kind of signal detection for variable pump panel and flow proportion valve controls device |
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| Publication Number | Publication Date |
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| CN104074733A true CN104074733A (en) | 2014-10-01 |
| CN104074733B CN104074733B (en) | 2016-08-24 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764595Y (en) * | 2004-11-25 | 2006-03-15 | 上海光塑机械制造有限公司 | Hydraulic pressure variable injection molding machine employing AC servocontrol |
| US20060127520A1 (en) * | 2004-12-15 | 2006-06-15 | Lu Hsiao T | Injection molding system |
| CN1980498A (en) * | 2005-12-05 | 2007-06-13 | 乐金电子(天津)电器有限公司 | Control-board separation filtering wave structure of microwave oven |
| CN201264350Y (en) * | 2008-09-11 | 2009-07-01 | 深圳市赛为智能股份有限公司 | Power-saving device of injection moulding machine |
| CN201446666U (en) * | 2009-07-07 | 2010-05-05 | 侯金来 | Multivariate frequency conversion and energy saving control device of injection molding machine |
| CN203962364U (en) * | 2014-05-29 | 2014-11-26 | 德马格塑料机械（宁波）有限公司 | A kind of input control gear for variable displacement pump control panel and flow proportion valve |
-
2014
- 2014-05-29 CN CN201410238768.2A patent/CN104074733B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764595Y (en) * | 2004-11-25 | 2006-03-15 | 上海光塑机械制造有限公司 | Hydraulic pressure variable injection molding machine employing AC servocontrol |
| US20060127520A1 (en) * | 2004-12-15 | 2006-06-15 | Lu Hsiao T | Injection molding system |
| CN1980498A (en) * | 2005-12-05 | 2007-06-13 | 乐金电子(天津)电器有限公司 | Control-board separation filtering wave structure of microwave oven |
| CN201264350Y (en) * | 2008-09-11 | 2009-07-01 | 深圳市赛为智能股份有限公司 | Power-saving device of injection moulding machine |
| CN201446666U (en) * | 2009-07-07 | 2010-05-05 | 侯金来 | Multivariate frequency conversion and energy saving control device of injection molding machine |
| CN203962364U (en) * | 2014-05-29 | 2014-11-26 | 德马格塑料机械（宁波）有限公司 | A kind of input control gear for variable displacement pump control panel and flow proportion valve |
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| CN104074733B (en) | 2016-08-24 |
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