CN205593735U - Portable hydraulic pressure proportional pressure valve failure diagnosis tester - Google Patents
Portable hydraulic pressure proportional pressure valve failure diagnosis tester Download PDFInfo
- Publication number
- CN205593735U CN205593735U CN201620326944.2U CN201620326944U CN205593735U CN 205593735 U CN205593735 U CN 205593735U CN 201620326944 U CN201620326944 U CN 201620326944U CN 205593735 U CN205593735 U CN 205593735U
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- pressure valve
- proportional pressure
- cpu
- pressure
- portable hydraulic
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Abstract
The utility model relates to a portable hydraulic pressure proportional pressure valve failure diagnosis tester, including the shell, externally test the interface, pressure signal gathers interface, demonstration and the control unit and circuit board, but install on the circuit board rechargeable lithium -ion battery, power conversion module, a central processing unit, 0 10V output unit, pressure signal acquisition unit, but rechargeable lithium -ion battery group is connected with a central processing unit through power conversion module, but rechargeable lithium -ion battery still respectively the connection externally test interface and pressure signal collection interface. The utility model discloses exportable 0 proportional pressure valve's pressure regulating is realized to 10V's signal, but direct control proportional pressure valve, gather hydraulic pressure proportional pressure valve's delivery pressure simultaneously through pressure sensor to show surveyability with instrument or curved form on the screen.
Description
Technical field
This utility model belongs to proportional pressure valve field, relates to the breakdown judge of hydraulic proportional pressure valve, performance test and maintenance, especially a kind of portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument.
Background technology
At modern industry, metallurgy and machine industry, widely, especially at the production line of modernization, the proportional pressure valve that 0-10V controls uses field extensive, breaks down the most frequent in the application of hydraulic proportional pressure valve.At present, a kind of portable to 0-10V hydraulic proportional pressure valve fault diagnosis and performance testing apparatus on market.
Utility model content
In place of the purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of self-powered, use flexibly, can to use on market built-in amplification board hydraulic proportional pressure valve carry out the tester of breakdown judge and performance test.
This utility model solves technical problem and be the technical scheme is that
A kind of portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument, including shell, externally test interface, pressure signal acquisition interface, display and control unit and circuit board, chargeable lithium cell is installed on circuit boards, power transfer module, CPU, 0-10V output unit, pressure signal collecting unit, CPU respectively with 0-10V output unit, pressure signal collecting unit I/O connects, 0-10V output unit is connected with external test interface I/O, pressure signal collecting unit is connected with pressure signal acquisition interface I/O, CPU output connects display and control unit, chargeable lithium cell group is connected with CPU by power transfer module, chargeable lithium cell is also respectively connected with external test interface and pressure signal acquisition interface.
And, described CPU includes central processing element U1, analog-digital chip U2 and the Simulation scale-up chip U4 being sequentially connected with, central processing element U1 controls the DC voltage of analog-digital chip U2 output 0-2V, two groups of amplifiers are had inside Simulation scale-up chip U4, it is respectively U4:A, U4:B, these two groups of amplifiers and the constant-current source circuit of audion Q9, sampling resistor R19 composition 0-10mA, produce the output signal of 0-10V at outfan.
And, described external test interface uses 6 core aviation plugs.
And, described pressure signal acquisition interface uses 4 core aviation plugs.
And, described chargeable lithium cell uses 24V3000mA/h chargeable lithium battery group, band charging and current foldback circuit, is equipped with the constant current charger of pressure limiting 25.2V simultaneously.
And, 24V Power convert is become the reference voltage controlling voltage and+1.0V needed for tester inside by described power transfer module.
And, described display uses serial ports touch screen with control unit, by serial ports and CPU communication.
Advantage of the present utility model and good effect be:
1, the signal of the exportable 0-10V of the present invention, can directly control proportional pressure valve, it is achieved the pressure regulation of proportional pressure valve；Gathered the output pressure of hydraulic proportional pressure valve simultaneously by pressure transducer, and show with the form of instrument or curve on screen, very clear.
2, the present invention is self-powered, uses the most easy to carry, the touch screen technology that employing is advanced, and full Chinese display is simple to operate, easy-to-understand, easy to learn.
3, the present invention gathers hydraulic proportional pressure valve output oil port pressure by pressure transducer, and display is on screen in time, it is simple to user failure judgement, understands the characteristic of proportional pressure valve in time.
4, shell of the present invention employing aluminium alloy extrusions, good heat dissipation, anti-interference；24V chargeable lithium cell group, CPU, pressure signal collecting unit and touch screen communication are arranged on same circuit board, it is simple to debugging and upgrading in the future；Touch screen is arranged on front, handling, visual good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is circuit block diagram of the present utility model；
Fig. 3 is the connection diagram of CPU；
Fig. 4 is the circuit diagram of the output unit of 0-10V；
Fig. 5 is the surface chart of the display of this tester and control unit；
Fig. 6 is the use connection figure of this tester.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by specific embodiment, and following example are illustrative, are not determinate, it is impossible to limit protection domain of the present utility model with this.
A kind of portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument, including shell 7, external test interface 3, pressure signal acquisition interface 5, display and control unit 4 and circuit board 1, chargeable lithium cell 8, power transfer module 9, CPU (CPU) 10,0-10V output unit 2, pressure signal collecting unit 6 are installed on circuit boards, as shown in Figure 1.
CPU is connected with 0-10V output unit, pressure signal collecting unit I/O respectively, and 0-10V output unit is connected with external test interface I/O, and pressure signal collecting unit is connected with pressure signal acquisition interface I/O.CPU output connects display and control unit.Chargeable lithium cell group is connected with CPU by power transfer module, powers for CPU.Meanwhile, chargeable lithium cell is also respectively connected with external test interface and pressure signal acquisition interface, is hydraulic valve to be measured by interface and pressure transducer is powered.As shown in Figure 2.
The portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument device of complete set is formed after above-mentioned part being organically combined, visualization interface by full Chinese, can quickly judge the hydraulic proportional pressure valve fault of online production and off-line maintenance, and hydraulic proportional pressure valve is carried out performance test.
Described external test interface uses 6 core aviation plugs, described pressure signal acquisition interface to use 4 core aviation plugs.
Described chargeable lithium cell uses 24v3000mA/h chargeable lithium battery group; band charging and current foldback circuit, be equipped with the constant current charger of pressure limiting 25.2V, it is ensured that the safety of user simultaneously; set of cells first provides electric energy for external sensor, and second provides electric energy for tester inside.
24V Power convert is become the reference voltage controlling voltage and+1.0V needed for tester inside by described power transfer module.
Described CPU (CPU) uses domestic STC single-chip microcomputer, and serial ports 1 is used for and touch screen communication for download program and program upgrading, serial ports 2, and analog input unit is used for the data of processing pressure sensor acquisition；As shown in Figure 3.
Described CPU includes central processing element U1, analog-digital chip U2 and the Simulation scale-up chip U4 being sequentially connected with, central processing element U1 controls the DC voltage of analog-digital chip U2 output 0-2V, two groups of amplifiers are had inside Simulation scale-up chip U4, it is respectively U4:A, U4:B, these two groups of amplifiers and the constant-current source circuit of the resistance such as audion Q9, sampling resistor R19 composition 0-10mA, so can produce the output signal of 0-10V at resistance R1 two ends；As shown in Figure 4.Owing to have employed current constant control, even if this instrument also will not be had any impact by output short-circuit.
Described display uses serial ports touch screen with control unit, by serial ports and CPU communication, the various information of CPU is shown in time simultaneously, is the man machine interface of pure Chinese.
Pressure transducer is connected to pressure signal collecting unit by 4 core aviation plugs, the 0-10V pressure signal that CPU will collect, and shows on the touchscreen with the form of Pressure gauge or curve, it is simple to user carries out fault verification and performance test；As shown in Figure 5.
Described shell uses aluminium alloy extrusions, oil resistant, elimination electromagnetic interference, is suitable for the environment such as industry, metallurgy and manufacturing.External tapping all uses waterproof aviation plug, is used for connecting hydraulic control valve to be tested and pressure transducer, meets the breakdown judge under adverse circumstances and testing requirement.
Using method of the present utility model is:
6 core aviation plugs 12 of tester 11 of the present invention are connected to hydraulic proportional pressure valve 14 to be detected by cable 13；By 4 core aviation plugs 17 and the pressure transducer 16 being attached thereto, it is connected to the output B chamber of hydraulic proportional pressure valve to be detected by quick pressure measurement line 15；Open the power supply of the present invention, according to touch screen description select corresponding parameter can test.The present invention has manual test and two kinds of selections of test automatically, and user can be carried out according to practical situation；User only needs, to Setting signal, the pressure simple analysis in B chamber, to judge hydraulic pressure or electrical control fault；As shown in Figure 6.
Above-described is only preferred implementation of the present utility model; it should be pointed out that, for the person of ordinary skill of the art, on the premise of conceiving without departing from utility model; can also make some deformation and improvement, these broadly fall into protection domain of the present utility model.
Claims (7)
1. a portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument, it is characterized in that: include shell, externally test interface, pressure signal acquisition interface, display and control unit and circuit board, chargeable lithium cell is installed on circuit boards, power transfer module, CPU, 0-10V output unit, pressure signal collecting unit, CPU respectively with 0-10V output unit, pressure signal collecting unit I/O connects, 0-10V output unit is connected with external test interface I/O, pressure signal collecting unit is connected with pressure signal acquisition interface I/O, CPU output connects display and control unit, chargeable lithium cell is connected with CPU by power transfer module, chargeable lithium cell is also respectively connected with external test interface and pressure signal acquisition interface.
Portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument the most according to claim 1, it is characterized in that: described CPU includes central processing element U1, analog-digital chip U2 and the Simulation scale-up chip U4 being sequentially connected with, central processing element U1 controls the DC voltage of analog-digital chip U2 output 0-2V, two groups of amplifiers are had inside Simulation scale-up chip U4, it is respectively U4:A, U4:B, these two groups of amplifiers and the constant-current source circuit of audion Q9, sampling resistor R19 composition 0-10mA, produce the output signal of 0-10V at outfan.
Portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument the most according to claim 1, it is characterised in that: described external test interface uses 6 core aviation plugs.
Portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument the most according to claim 1, it is characterised in that: described pressure signal acquisition interface uses 4 core aviation plugs.
Portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument the most according to claim 1; it is characterized in that: described chargeable lithium cell uses 24V3000mA/h chargeable lithium battery group; band charging and current foldback circuit, be equipped with the constant current charger of pressure limiting 25.2V simultaneously.
Portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument the most according to claim 1, it is characterised in that: 24V Power convert is become the reference voltage controlling voltage and+1.0V needed for tester inside by described power transfer module.
Portable hydraulic proportional pressure valve Fault Diagnosis Testing Instrument the most according to claim 1, it is characterised in that: described display uses serial ports touch screen with control unit, by serial ports and CPU communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620326944.2U CN205593735U (en) | 2016-04-18 | 2016-04-18 | Portable hydraulic pressure proportional pressure valve failure diagnosis tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620326944.2U CN205593735U (en) | 2016-04-18 | 2016-04-18 | Portable hydraulic pressure proportional pressure valve failure diagnosis tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205593735U true CN205593735U (en) | 2016-09-21 |
Family
ID=56935251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620326944.2U Expired - Fee Related CN205593735U (en) | 2016-04-18 | 2016-04-18 | Portable hydraulic pressure proportional pressure valve failure diagnosis tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205593735U (en) |
-
2016
- 2016-04-18 CN CN201620326944.2U patent/CN205593735U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 300180, No. 174 Jintang Road, Hedong District, Tianjin Patentee after: TIANJIN AOLANTE HYDRAULIC EQUIPMENT CO.,LTD. Address before: 300180, No. 7, telex Road, No. two bridge, Hedong District, Tianjin (room 358, block A, hospital) Patentee before: TIANJIN AOLANTE HYDRAULIC EQUIPMENT MAINTENANCE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |