CN202259734U - On-line indication diagnosis junction box - Google Patents
On-line indication diagnosis junction box Download PDFInfo
- Publication number
- CN202259734U CN202259734U CN2011203470509U CN201120347050U CN202259734U CN 202259734 U CN202259734 U CN 202259734U CN 2011203470509 U CN2011203470509 U CN 2011203470509U CN 201120347050 U CN201120347050 U CN 201120347050U CN 202259734 U CN202259734 U CN 202259734U
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- China
- Prior art keywords
- junction box
- voltmeter
- terminal box
- indication
- valve
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- Expired - Fee Related
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Abstract
The utility model relates to a junction box, and especially relates to a junction box which is used for detecting an abnormity in an electrical loop on site and has an indication diagnosis function. The junction box of the utility model mainly solves the technical problems that: the present junction box does not have the indication diagnosis function, thereby causing inconvenience to daily point inspections and fault rapid diagnoses. The technical scheme of the on-line indication diagnosis junction box is characterized in that: a connection terminal of an electromagnetic directional valve is connected in parallel with an indicator lamp which has the same voltage grade with the electromagnetic directional valve, a connection terminal of a given servo valve is connected in parallel with a voltmeter which has the same voltage grade with the given servo valve, both the indicator lamp and the voltmeter are arranged on a panel of the junction box, and indication nameplates are pasted on the panel, thereby facilitating watching.
Description
Technical field
The utility model relates to a kind of terminal box, especially a kind of terminal box that is used for the band indication diagnostic function of on-the-spot electric loop abnormality detection.
Background technology
On-the-spot Hydraulically Operated Equipment quantity and the kind of using of steel rolling mill is more, equipment such as depresses like flipper guide, edger roll, hydraulic pressure.Their final drive device generally all adopts hydraulic cylinder, and the action of hydraulic cylinder is by a cover hydraulic servo unit control, and the drive part of hydraulic servo unit all is made up of solenoid directional control valve and servo valve etc.Hydraulic servo unit generally all is incorporated in the servo case at a scene, and is furnished with a terminal box, and electric drive part is connected with electric output through terminal box; When field apparatus breaks down; Generally have two kinds by the electric fault that causes, i.e. soft fault and hard fault, soft fault refer to cause on-the-spot output abnormality because program is carried out; To this fault we can be through routine analyzer implementation status fault location point very intuitively; Hard fault is meant that program is carried out and output state is all normal, and fault is owing to certain link in the electric loop causes unusually, like the disconnection of the damage of output module, cable, electromagnetic valve coil damage etc.Because output module generally all is mounted in the regulator cubicle of electric panel room; Be connected with on-the-spot terminal box through cable, field terminal box generally all near the servo case at scene, often will be come and gone ceaselessly between Electric Appliance Cabinet and scene when causing us to handle this type of fault; Measure the voltage of reference point with universal instrument after; Where decision problem point goes out actually, thereby has wasted a lot of valuable time, causes long heat to stop work.But general terminal box all is not with the indication diagnostic function, brings inconvenience for the daily spot check and the quick diagnosis of fault.
Chinese patent CN01278579.2 discloses " online detection terminal box "; It is a kind of inline diagnosis terminal box; It is characterized in that: at the rear end of said binding post series connection K1-1～K8-1; K1-2～K8-2 sense switch switches on and off the detection of realization to system equipment through said sense switch.Its advantage is: easy to detect quick; Online detection has been exempted equipment such as frequent dismounting terminal and has been caused the life-span to reduce, and has improved operating efficiency, has reduced the equipment fault processing time.
The major function of " online detection terminal box " be through sense switch switch on and off the detection of realization to system equipment, compare with the utility model, the purpose of invention is different, and too complicated.
Summary of the invention
The purpose of the utility model provides the online indication diagnosis terminal box of the quick diagnosis of daily spot check of a kind of convenience and fault.Mainly solve existing terminal box and all be not with the indication diagnostic function, the technical problem of bringing inconvenience for the quick diagnosis of daily spot check and fault.
The utility model is realized through following technical scheme; A kind of online indication diagnosis terminal box; On the binding post of solenoid directional control valve and connect the indicator light of an identical electric pressure, on the given binding post of servo valve and connect the voltmeter head of an identical electric pressure, indicator light and voltmeter all are installed on the panel of terminal box; Stick the indication nameplate, conveniently watch.
The utility model beneficial effect: though some electromagnetically operated valve itself have electric indicator light; Servo valve has the voltmeter indication; But on-the-spot electromagnetically operated valve and servo valve mostly are very discrete being installed on vavle shelf and the pipeline; Be not easy to observe and safeguard, and when these valve events are unusual, can't judge the problem of the upper level driving problems or the cable of back or valve itself fast.These valves of the utility model patent utilization all will pass through the advantage that terminal box is connected with upper level; Indicator light and voltmeter have been installed on the basis of original terminal box, have so just been played the effect of centralized monitor, when valve events is unusual; The indicating status that can compare terminal box and valve itself fast is the fault location point very fast; So just shortened the time of our failure judgement greatly, particularly when the electromagnetically operated valve quantity in the servo case was a lot, the superiority of the utility model more can embody.
Description of drawings
Fig. 1 is the utility model profile sketch map.
Fig. 2 is the utility model cut-away drawing.
Fig. 3 is the utility model circuit connection diagram.
Among the figure: the 1-indicator light, 2-indicates nameplate, 3-voltmeter, 4-terminal box nameplate, 5-terminal block panel; The 6-terminal box, the 7-lock, the 8-hinge, 9-connects lead, 10-card rail; The 11-connecting terminal block, 12-imports cable, the 13-output cable, the 14-servo valve is given, the 15-electromagnetic valve coil.
Embodiment
Shown in Figure 1 terminal block panel 5 is connected on the casing through hinge 8 in order to be with the schematic appearance of the field terminal box 6 of indicating diagnostic function, and lock 7 is installed on panel, convenient daily unlatching and maintenance.Voltmeter 3 and indicator light 1 are installed on the terminal block panel 5, indication nameplate 2 are housed above them are used to indicate corresponding driving element, terminal box nameplate 4 is used for indicating the title of this terminal box.
Shown in Figure 2 is the cut-away drawing of the field terminal box 6 of band indication diagnostic function, and card rail 10 is installed in the terminal box, and connecting terminal block 11 is four hole compression joint types, and terminal board directly is stuck on the card rail 10, is convenient for changing.Four holes on the connecting terminal block 11 all are intercommunications; Wherein two holes are used for connecting input/output signal; Indicator elment indicator light 1 and voltmeter 4 on the terminal block panel 5 are received through being connected to connection lead 9 in a hole; Be used for indicating the state of input signal, subsequent use effect is played in the 4th remaining hole.
Shown in Figure 3, control device drives the given signal of servo valve and receives on the connecting terminal block 11 through input cable 12, and signal is leaded up to and connected lead 9 and receive voltmeter 3, plays indicative function, and on-the-spot servo valve given 14 is received through output cable 13 in another road.When daily spot check operation, we can understand the operating state of servo valve through the value of voltmeter 3.When breaking down, can also be through the quick failure judgement point of value of voltmeter 3, for example when equipment can't move; If this moment, the value of voltmeter 3 was zero; Can be judged as control device fast has problem to importing cable 12 these one-levels, if the value of voltmeter 3 is non-vanishing, and the voltmeter of valve itself is zero; Servo valve given 14 these one-levels that then can be judged as output cable 13 to scene fast have problem, have so just realized the Fault Diagnosis function.
The drive signal of control device drive magnetic valve is received on the connecting terminal block 11 through input cable 12, and signal is leaded up to and connected lead 9 and receive indicator light 1, plays indicative function, and on-the-spot electromagnetic valve coil 15 is received through output cable 13 in another road.When daily spot check operation, we can understand the operating state of electromagnetically operated valve through the state of indicator light 1.When breaking down, can also be through the quick failure judgement point of state of indicator light 1, for example when electromagnetically operated valve can't move; If this moment, indicator light 1 was for extinguishing state; Can be judged as control device fast has problem to importing cable 12 these one-levels, if indicator light 1 is an illuminating state, and the indicator light of valve itself is for extinguishing state; The electromagnetic valve coil that then can be judged as output cable 13 to scene fast returns 5 these one-levels has problem, has so just realized the Fault Diagnosis function.
Claims (2)
1. terminal box is diagnosed in an online indication; It is characterized in that on the binding post of solenoid directional control valve and connect the indicator light of an identical electric pressure; On the given binding post of servo valve and connect the voltmeter head of an identical electric pressure, indicator light and voltmeter all are installed on the panel of terminal box.
2. a kind of online indication diagnosis terminal box according to claim 1 is characterized in that above or below indicator light and voltmeter head, being provided with the indication nameplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203470509U CN202259734U (en) | 2011-09-16 | 2011-09-16 | On-line indication diagnosis junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203470509U CN202259734U (en) | 2011-09-16 | 2011-09-16 | On-line indication diagnosis junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202259734U true CN202259734U (en) | 2012-05-30 |
Family
ID=46120926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203470509U Expired - Fee Related CN202259734U (en) | 2011-09-16 | 2011-09-16 | On-line indication diagnosis junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202259734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605303A (en) * | 2013-10-31 | 2014-02-26 | 杭州电子科技大学 | Injection-molding-machine digital IO switch-over terminal junction box with redundancy detection function |
| CN110108926A (en) * | 2019-04-17 | 2019-08-09 | 中国船舶重工集团公司第七O三研究所无锡分部 | A kind of gas turbine switching value instruction malfunction elimination method |
-
2011
- 2011-09-16 CN CN2011203470509U patent/CN202259734U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605303A (en) * | 2013-10-31 | 2014-02-26 | 杭州电子科技大学 | Injection-molding-machine digital IO switch-over terminal junction box with redundancy detection function |
| CN103605303B (en) * | 2013-10-31 | 2016-06-01 | 杭州电子科技大学 | The injection moulding machine Digital I/O of a kind of band redundancy detection turns terminal box |
| CN110108926A (en) * | 2019-04-17 | 2019-08-09 | 中国船舶重工集团公司第七O三研究所无锡分部 | A kind of gas turbine switching value instruction malfunction elimination method |
| CN110108926B (en) * | 2019-04-17 | 2021-10-15 | 中国船舶重工集团公司第七O三研究所无锡分部 | Method for troubleshooting switching value instruction of gas turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20190916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |