CN202116683U - Current testing device for hanger - Google Patents
Current testing device for hanger Download PDFInfo
- Publication number
- CN202116683U CN202116683U CN2011201609926U CN201120160992U CN202116683U CN 202116683 U CN202116683 U CN 202116683U CN 2011201609926 U CN2011201609926 U CN 2011201609926U CN 201120160992 U CN201120160992 U CN 201120160992U CN 202116683 U CN202116683 U CN 202116683U
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- CN
- China
- Prior art keywords
- hanger
- current
- ammeter
- plc
- plc unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a current testing device for a hanger, which comprises an ammeter, a PLC (programmable logic controller) and a human-computer interface. The ammeter is serially connected with the hanger and used for measuring current of the hanger, the PLC is used for reading the current value on the ammeter to compare the current value with a preset current value and calculate the current deviation, and the human-computer interface is used for alarming according to displayed current deviation. The PLC is connected with the ammeter and the human-computer interface. Since the ammeter is serially connected with the hanger and used for measuring current of the hanger, and the PLC is fittingly used with the human-computer interface, automatic testing of the current of the hanger can be realized, a defective hanger with declined conductive performance can be timely found, operation state of the hanger can be effectively monitored, and electroplating operation of circuit boards is effectively guaranteed. Quality of electroplating operation of the circuit boards is improved, and thereby great convenience is brought to the electroplating operation, and efficiency of the electroplating operation of the circuit boards can be improved.
Description
Technical field
The utility model relates to the current measuring device art, refers in particular to a kind of hanger current testing device that is applied in the wiring board electroplating activity.
Background technology
In the making processes of wiring board, electroplating processes is one of required important procedure that carries out, and the electroplating thickness of PCB surface is relevant with factors such as galvanized strength of current, electroplating time, negative and positive interpolar distances.When strength of current is strong more, current time is long more, negative and positive interpolar distance more in short-term, the electroplating thickness on the PCB surface also increases thereupon; Otherwise galvanized thickness reduces thereupon.
Existing wiring board makes through a hanger that wiring board and cathode copper are flat to be electrically connected in galvanized process, yet; The conductivity of hanger possibly descend in use for some time; Resistance increases and the electric current minimizing, causes current deviation bigger, produces the uneven situation of distribution of current; And cause the electroplating quality of wiring board to descend, produce defective products.To bad hanger how to find in time that conductivity descends, the device that does not have any special use at present carries out testing current to it, brings very big inconvenience therefore for the electroplating activity of wiring board.
The utility model content
In view of this, the utility model is to the disappearance of prior art existence, and its main purpose provides a kind of hanger current testing device, and it effectively solves the problem that in the wiring board electroplating process, can not in time find bad hanger.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of hanger current testing device includes one and is used for being connected in series with hanger and the reometer, of measuring the hanger electric current is used to read the current value on this reometer and is used for the man-machine interface according to current deviation display alarm with PLC unit, that the contrast of predetermined current value calculates current deviation; This PLC unit is connected with this reometer, and this man-machine interface is connected with this PLC unit.
As a kind of preferred version, further include the fixed point inductor block that is used for sensing hanger shift position, this fixed point inductor block is connected with the PLC unit.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme:
One, through utilizing reometer and hanger to be connected in series to measure the electric current on the hanger, and cooperates and utilize PLC unit and man-machine interface, to realize automatic test to the hanger electric current; And the bad hanger that makes conductivity descend can in time come to light; Effectively keep watch on the working order of hanger,, promote the quality of wiring board electroplating activity for the electroplating activity of wiring board provides effective guarantee; Bring very big convenience to electroplating activity, improve the efficient of wiring board electroplating activity.
Two,, utilize the shift position of this fixed point inductor block sensing hanger, and,, more help realizing the robotization of hanger testing current in time testing through the hanger of fixed point inductor block through the control of PLC unit through being provided with the fixed point inductor block.
Be constitutional features and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the principle of work synoptic diagram of the preferred embodiment of the utility model;
Fig. 2 is the front view of hanger in the preferred embodiment of the utility model;
Fig. 3 is the principle of work synoptic diagram of Fig. 2.
The accompanying drawing identifier declaration:
10, hanger 20, reometer
30, PLC unit 40, man-machine interface
50, flat 60, the top folder of cathode copper
70, wiring board 80, fixed point inductor block
90, PE glue
Embodiment:
Please referring to figs. 1 through shown in Figure 3, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes hanger 10, reometer 20, PLC unit 30 and man-machine interface 40.
Wherein, as depicted in figs. 1 and 2, in the loose slot of the cathode copper flat 50 that this hanger 10 is arranged at the outside; This hanger 10 is I shape, and an end of hanger 10 is connected with cathode copper flat 50 movably, and the other end of hanger 10 is connected with a wiring board 70 through top folder 60; This wiring board 70 can move with respect to cathode copper flat 50 with hanger 10; As depicted in figs. 1 and 2, be arranged side by side a plurality of hangers 10 on this cathode copper flat 50, all be connected with wiring board 70 on each hanger 10.As shown in Figure 3, R
1～R
5The resistance sum of the resistance that is respectively each hanger 10 among Fig. 2 and corresponding wiring board 70, R
1～R
5Same supply lead is connected in parallel; Wherein the resistance of hanger 10 is meant cathode copper flat 50 to the resistance summation (each parts resistance+all contact resistances) between the corresponding line plate 70, and the resistance value of this wiring board 70 is fixed, and the resistance value of the wiring board 70 of same model equates; Therefore, I
1～I
5Size depend on the size of the resistance of corresponding hanger 10, the resistance of hanger 10 is big more, pairing electric current is more little.
This reometer 20 is connected in series with aforesaid hanger 10, and reometer 20 is used to measure the electric current on the hanger 10.
This PLC unit 30 is electrically connected with reometer 20, is preset with current value on the PLC unit 30, and PLC unit 30 is used to read the current value on the reometer 20 and calculates current deviation with predetermined current value contrast.
This man-machine interface 40 is connected with this PLC unit 30; Man-machine interface 40 is used for the current deviation display alarm of calculating according to PLC unit 30; Software in the man-machine interface 40 is provided with the current deviation alarming value; Man-machine interface 40 is just sent warning after the current deviation value has reached preset value, explains to be bad hanger at hanger to be tested just.
And, further including fixed point inductor block 80, this fixed point inductor block 80 is used for the shift position of sensing hanger 10, and this fixed point inductor block 80 is connected with PLC unit 30.
The measuring method that present embodiment is detailed is following:
As shown in Figure 1, at first, on cathode copper flat 50, break off the width of a hanger 10, and use PE glue that the cathode copper flat 50 that breaks off is bonded, make tested hanger break off with this and be connected with other hangers.Then, the cathode copper flat 50 of reometer 20 with the right side is connected in series, and the inductor block 80 of will fixing a point is arranged at by the side of right side cathode copper flat 50.During measurement, tested hanger 10 enters into the loose slot of cathode copper flat 50 from the right-hand member of cathode copper flat 50, when fixed point inductor block 80 senses after tested hanger gets into; Utilize 20 pairs of tested hangers 10 of reometer to carry out testing current, utilize the current value on the PLC unit 30 read current tables 20 and compare to calculate current deviation, when current deviation is excessive with preset current value; Explain that tested hanger is bad, utilize man-machine interface 40 display alarms, when current deviation meets the requirements; Explain that hanger is qualified; Can not send warning, qualified hanger is moved to the left, so that next hanger is carried out independent measurement.
The design focal point of the utility model is: at first; Through utilizing reometer and hanger to be connected in series to measure the electric current on the hanger, and cooperate and utilize PLC unit and man-machine interface, to realize automatic test the hanger electric current; And the bad hanger that makes conductivity descend can in time come to light; Effectively keep watch on the working order of hanger,, promote the quality of wiring board electroplating activity for the electroplating activity of wiring board provides effective guarantee; Bring very big convenience to electroplating activity, improve the efficient of wiring board electroplating activity.Secondly,, utilize the shift position of this fixed point inductor block sensing hanger, and,, more help realizing the robotization of hanger testing current in time testing through the hanger of fixed point inductor block through the control of PLC unit through being provided with the fixed point inductor block.
The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.
Claims (2)
1. hanger current testing device is characterized in that: include one and be used for being connected in series with hanger and the reometer, of measuring the hanger electric current is used to read the current value on this reometer and is used for the man-machine interface according to current deviation display alarm with PLC unit, that the contrast of predetermined current value calculates current deviation; This PLC unit is connected with this reometer, and this man-machine interface is connected with this PLC unit.
2. hanger current testing device according to claim 1 is characterized in that: further include the fixed point inductor block that is used for sensing hanger shift position, this fixed point inductor block is connected with the PLC unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201609926U CN202116683U (en) | 2011-05-19 | 2011-05-19 | Current testing device for hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201609926U CN202116683U (en) | 2011-05-19 | 2011-05-19 | Current testing device for hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202116683U true CN202116683U (en) | 2012-01-18 |
Family
ID=45457764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201609926U Expired - Fee Related CN202116683U (en) | 2011-05-19 | 2011-05-19 | Current testing device for hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202116683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268067A (en) * | 2016-04-08 | 2017-10-20 | 贵州黎阳航空动力有限公司 | A kind of method that total current is correctly entered in guarantee electroplating work procedure |
-
2011
- 2011-05-19 CN CN2011201609926U patent/CN202116683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268067A (en) * | 2016-04-08 | 2017-10-20 | 贵州黎阳航空动力有限公司 | A kind of method that total current is correctly entered in guarantee electroplating work procedure |
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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: 20120118 Termination date: 20150519 |
|
| EXPY | Termination of patent right or utility model |