CN205049677U - Workstation ground connection real -time detection device - Google Patents

Workstation ground connection real -time detection device Download PDF

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Publication number
CN205049677U
CN205049677U CN201520677304.1U CN201520677304U CN205049677U CN 205049677 U CN205049677 U CN 205049677U CN 201520677304 U CN201520677304 U CN 201520677304U CN 205049677 U CN205049677 U CN 205049677U
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CN
China
Prior art keywords
ground connection
worktable
ground
controller
electrically connected
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Expired - Fee Related
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CN201520677304.1U
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Chinese (zh)
Inventor
吴俊杰
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Individual
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Individual
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Priority to CN201520677304.1U priority Critical patent/CN205049677U/en
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Abstract

The utility model discloses a workstation ground connection real -time detection device is applicable to and whether listens a workstation ground connection to contain a control unit, a the detecting unit, and a benchmark unit. This the control unit includes a controller, reaches one and is connected and can externally sends the first attention device of warning the signal with this controller electricity. This the detecting unit includes and listens the line, should listen the one end of line and be connected with this controller electricity, and the other end is connected with this workstation is electric. This benchmark unit is connected with this the control unit electricity to including an earth connection, other end ground connection is connected with this controller electricity to the one end of this earth connection. The earth impedance that this workstation was listened to line and this earth connection is listened by this to this controller, when the earth impedance of this workstation value is greater than the default of this controller, controls this first attention device and externally sends the warning signal.

Description

Worktable ground connection detecting real-time device
Technical field
The utility model relates to a kind of arrangement for detecting, particularly relates to a kind of worktable ground connection detecting real-time device.
Background technology
Ground connection is applied to different field, has the different meanings, and ground connection is idealized is be an infinite electric charge power supply or electric charge absorption cell, can unconfined Absorption Current, keeps current potential constant simultaneously, is divided into system earth, equipment ground and personnel's ground connection haply.
System earth be exactly by the earth terminal of each power supply be connected the earth, make each power supply have identical voltage reference, in order to prevent too high voltage from operate in daily electrical equipment, while residual current circuit breaker also can be made to move protective device.Equipment ground is by the earthing of casing of various electrical equipment, in case pass on the ground through human body and cause the problem of getting an electric shock to occur during leak-stopping electricity.And personnel's ground connection is exactly derived by static guiding existing with it for human body, to avoid destroying circuit unit.
Especially in semiconductor industry; made integrated circuit (IC) products is not having under grounding circuit protection; be very easy to suffer the attack of electrostatic charge and damage; so focus on very much the management of ground connection at semiconductor factory; electric power, equipment, and all necessary ground connection of personnel; even put all necessary ground connection of worktable of product, to guarantee that electronic product manufactures in safety is without the environment of deceiving.
The earthing mode of worktable is identical with equipment, ground wire must be used to be connected with the earth, and the ground connection of personnel also uses ground connection bracelet to be connected with the earth, with the destruction of removal electrostatic charge for electronic product usually.But, worktable and personnel current be belong to the variable that cannot really grasp, carry out ground connection even if having when arranging worktable at the beginning, but but cannot confirm to make no ground connection, when ground path generation problem, cannot improve immediately.
How to confirm the ground connection situation of current worktable and personnel, to avoid electrostatic charge to destroy electronic product, just become the direction that person skilled needs effort badly.
Utility model content
In view of this, fundamental purpose of the present utility model is to provide a kind of worktable ground connection detecting real-time device, whether is applicable to detecting one worktable ground connection, and comprises a control module, a detecting unit, and a reference cell.
This control module comprises a controller, and one is electrically connected first attention device that also externally can send alerting with this controller.This detecting unit comprises a detection lines, and one end of this detection lines is electrically connected with this controller, and the other end is electrically connected with this worktable.This reference cell is electrically connected with this control module, and comprises a ground wire, and one end of this ground wire is electrically connected with this controller, other end ground connection.This controller detects the impedance ground of this worktable by this detection lines and this ground wire, when the impedance ground value of this worktable is greater than the default value of this controller, controls this first attention device and externally sends alerting.
Another technological means of the present utility model, is be that above-mentioned worktable ground connection detecting real-time device more comprises a Data Integration unit, comprises a server that can be connected with at least one controller information.
This novel technological means is again that above-mentioned Data Integration unit more comprises one and is connected to message switching device between this controller and this server.
This another novel technological means is that the information transmission between above-mentioned Data Integration unit and this control module is that use one close network (Intranet) transmits.
This novel another technological means, be that above-mentioned worktable ground connection detecting real-time device more comprises a ground connection output unit, it comprises a ground connection output port be electrically connected with this worktable, in order to externally to provide other equipment grounds.
This novel technological means again, is be that above-mentioned ground connection output unit more comprises second attention device be electrically connected with this ground connection output port, whether externally provides ground connection in order to show this ground connection output port.
This another novel technological means, be that above-mentioned worktable ground connection detecting real-time device more comprises a power output unit be electrically connected with this ground connection output unit, it comprises a power supply output port, and one can control this power supply output port open and close the first switch, when this ground connection output port externally provides ground connection, this power supply output port of this first switch control rule externally provides power supply, when this ground connection output port idle and ground connection is not externally provided time, this power supply output port of this first switch control rule stops externally providing power supply.
This novel another technological means, be that above-mentioned power output unit more comprises a second switch be electrically connected with this control module, when the impedance ground value of this worktable is greater than the default value of this controller, this second switch controls this power supply output port to be stopped externally providing power supply.
This novel technological means again, be that above-mentioned worktable ground connection detecting real-time device more comprises an electrical assembled unit, it comprises and the first Port be electrically connected in this ground wire, and at least one the second Port being arranged at ground, this the second Port ground connection, this first and second Port is combined separably, to make this ground connection.
The utility model beneficial effect is that this control module utilizes the detection lines and this ground wire that connect this worktable to detect the impedance ground of this worktable, to confirm this worktable all the time all for the situation of ground connection, guarantee electronic product safety nothing anxiety when this worktable production test, in addition, this ground connection output port also forces personnel's ground connection, with removal personnel electrostatic charge with it, avoid destroying electronic product.
Accompanying drawing explanation
Fig. 1 is a block schematic diagram, and the first preferred embodiment of one of this novel worktable ground connection detecting real-time device is described;
Fig. 2 is a schematic diagram, and the aspect that this one first preferred embodiment is electrically connected is described;
Fig. 3 is a schematic diagram, and the second preferred embodiment of one of this novel worktable ground connection detecting real-time device is described;
Fig. 4 is a block schematic diagram, and the 3rd preferred embodiment of one of this novel worktable ground connection detecting real-time device is described;
Fig. 5 is a schematic diagram, and the aspect that the 3rd preferred embodiment is electrically connected is described; And
Fig. 6 is a schematic diagram, and the 4th preferred embodiment of one of this novel worktable ground connection detecting real-time device is described.
[primary clustering symbol description]
2 worktable
3 control modules
31 controllers
32 first attention devices
4 detecting units
41 detection lines
5 reference cells
51 ground wires
6 Data Integration unit
61 servers
62 message switching devices
7 ground connection output units
71 ground connection output ports
72 second attention devices
8 power output unit
81 power supply output ports
82 first switches
83 second switches
9 electrical assembled units
91 first Ports
92 second Ports.
Embodiment
Below in conjunction with accompanying drawing and embodiment of the present utility model, this novel worktable ground connection detecting real-time device is described in further detail.
Below coordinate in the detailed description with reference to four preferred embodiments shown in figure 1 ~ 6, can clearly present.
It should be noted before being described in detail, similar assembly does to represent with identical numbering.
Consulting Fig. 1,2, is the first preferred embodiment of this novel worktable ground connection detecting real-time device, whether is applicable to detecting one worktable 2 ground connection, and comprises control module 3, detecting unit 4 and a reference cell 5.
In this first preferred embodiment; this worktable 2 is used in the detection of electronic component; owing to must detect after electronic component manufacture; eliminate the electronic component broken down to avoid flowing into market; and electronic component belongs to semi-manufacture usually; circuit is also no ground, so test worktable 2 can first ground connection damage electronic component to avoid electrostatic charge usually.In addition, this worktable 2 also can avoid other testing tools leak electricity and damage tester.
This control module 3 comprises a controller 31, and one is electrically connected first attention device 32 that also externally can send alerting with this controller 31.This detecting unit 4 comprises a detection lines 41, and one end of this detection lines 41 is electrically connected with this controller 31, and the other end is electrically connected with this worktable 2.
This reference cell 5 is electrically connected with this control module 3, and comprises a ground wire 51, and one end of this ground wire 51 is electrically connected with this controller 31, other end ground connection.This controller 31 detects the impedance ground of this worktable 2 by this detection lines 41 and this ground wire 51, when the impedance ground value of this worktable 2 is greater than the default value of this controller 31, controls this first attention device 32 and externally sends alerting.
Preferably, this control module 3 is a kind of ammeter improved device measuring impedance ground, this controller 31 itself is by ground wire 51 ground connection of this reference cell 5, this worktable 2 is electrically connected again with the detection lines 41 of this detecting unit 4, the impedance ground of this worktable 2 can be measured, ground connection the breaking down of keeping away this worktable 2 itself causes this worktable 2 not have certain ground connection, and injures product or personnel.
User can input default value to this controller 31, in order to make this controller 31 detecting real-time and to compare, when the impedance ground of detecting is greater than default value, represent that the electrostatic charge existed on this worktable 2 cannot be derived, this first attention device 32 externally sends the alerting of acousto-optic.Preferably, when the impedance ground of this worktable 2 is less than default value, this first attention device 32 externally sends green glow, and when the impedance ground of this worktable 2 is greater than default value, this first attention device 32 externally sends ruddiness and the sound that gives the alarm, and notification technique personnel come to keep in repair.
Consult Fig. 3, for the second preferred embodiment of this novel worktable ground connection detecting real-time device, this second preferred embodiment is roughly the same with this first better enforcement, identical place does not repeat them here, difference is that this worktable ground connection detecting real-time device more comprises a Data Integration unit 6, comprise a server 61 that can be connected with at least one controller 31 information, and one is connected to message switching device 62 between this controller 31 and this server 61.
When factory be provided with multiple worktable 2 carry out detected electrons product time, its technician can arrange a control module 3, detecting unit 4 on each worktable 2, and reference cell 5 detects the impedance ground of this worktable 2 respectively, and configuration information transmits chip in this controller 31, in order to real-time by the ground connection information transmission of the plurality of worktable 2 to this server 61 record, and open to technician's reference of logining this server 61.
In this second preferred embodiment, information transmission between the plurality of controller 31 and this message switching device 62 is the transmission of information of carrying out with the transmission line of RJ11cable, one station information breakout box 62 can connect the controller 31 of multiple stage, and the information transmission between this message switching device 62 and this server 61 is the transmission of information of carrying out with the transmission line of RJ45cable, the information transmission between this Data Integration unit 6 and this control module 3 is that use one close network (Intranet) transmits.Highly skilled due to digital information transmission, neither the emphasis inquired into of the utility model, actual when implementing, and also can use other the information transmission technology, should as limit.
In addition, this server 61 can provide graphical interface to show the ground connection situation of all working platform 2 in factory, and using each controller 31 as kernel representation, such as, presents with the pattern of matrix square, and those information passed.
Consult Fig. 4, 5, for the 3rd preferred embodiment of this novel worktable ground connection detecting real-time device, 3rd preferred embodiment is roughly the same with this second better enforcement, identical place does not repeat them here, difference is that this worktable ground connection detecting real-time device more comprises a ground connection output unit 7, it comprises a ground connection output port 71 be electrically connected with this worktable 2, and the second attention device 72 that is electrically connected with this ground connection output port 71, this ground connection output port 71 can provide the ground voltage of this worktable 2, this second attention device 72 externally can show this ground connection output port 71 and whether externally export ground voltage.
In the 3rd preferred embodiment, the ground connection output port 71 of this ground connection output unit 7 mainly provides personnel's ground connection, this ground connection output unit 7 is electrically connected with the earth terminal of this worktable 2, tester can wear ground connection bracelet and ground connection bracelet is inserted this ground connection output port 71, for example, this ground connection output port 71 and the connected mode of this ground connection bracelet use banana joint to come electrically to combine and be separated, during actual enforcement, what can use other electrically plugs mode, or other need the electronic equipment carrying out ground connection, should as limit.
This second attention device 72 uses LED externally to send warning, preferably, when ground connection bracelet inserts this ground connection output port 71, this second attention device 72 externally sends green light, and when this ground connection output port 71 is idle time, this second attention device 72 externally sends red light, during actual enforcement, also other warning way can be used, should as limit.
In addition, in the 3rd preferred embodiment, this worktable ground connection detecting real-time device more comprises a power output unit 8 be electrically connected with this ground connection output unit 7, it comprises a power supply output port 81, one first switch 82 that can control this power supply output port 81, and the second switch 83 that is electrically connected with this control module 3, when this ground connection output port 71 externally exports ground voltage, this first switch 82 controls this power supply output port 81 and externally provides power supply, when this ground connection output port 71 idle and without any equipment through its ground connection time, this first switch 82 controls this power supply output port 81 to be stopped externally providing power supply, and when the impedance ground value of this worktable 2 is greater than the default value of this controller 31, this second switch 83 controls this power supply output port 81 to be stopped externally providing power supply.
Preferably, the power supply output port 81 of the 3rd preferred embodiment is to provide the light fixture use of this worktable 2, when ground connection bracelet is inserted this ground connection output port 71 by tester, not only this second attention device 72 externally can send green light, this first switch 82 also can open the power supply of this power supply output port 81 automatically, light fixture on this worktable 2 is opened automatically, gives this tester to provide illumination functions.
When the impedance ground that this controller 31 detects this worktable 2 improves and is greater than default value, this first attention device 32 externally can send warning, and this second switch 83 is also by the power-off of this power supply output port 81, light fixture on this worktable 2 cuts out, make this tester cannot proceed work again, avoid electronic product to suffer electrostatic bombard and damage.In addition, this controller 31 also can by transmitting fault information to this server 61, to show up maintenance with notification technique personnel.
It should be noted that, the power supply output port 81 of the 3rd preferred embodiment can be the simple output providing power supply, but the mode using power supply is not emphasis of the present utility model, during actual enforcement, this power supply output port 81 also can be a kind of information generator being electrically connected proving installation, should as limit.For example, when ground connection bracelet is inserted this ground connection output port 71 by user and the impedance ground of this worktable 2 is normal, this power supply output port 81 pairs of proving installations send normal information, this proving installation could be opened normally, and tester could use proving installation to carry out testing to electronic product.
This power output unit 8 also can singly be electrically connected with this ground connection output unit 7, and need not be connected with this control module 3, when this control module 3 detect impedance ground be greater than default value and externally give the alarm time, tester can initiatively stop electronic product testing, the maintenance and notification technique personnel show up.
Consult Fig. 6, for the 4th preferred embodiment of this novel worktable ground connection detecting real-time device, 4th preferred embodiment is roughly the same with the 3rd better enforcement, identical place does not repeat them here, difference is that this worktable ground connection detecting real-time device more comprises an electrical assembled unit 9, it comprises and the first Port 91 be electrically connected in this ground wire 51, and at least one the second Port 92 being arranged at ground, this the second Port 92 ground connection, this first and second Port 91,92 is combined separably, to make this ground wire 51 ground connection.
In the 4th preferred embodiment, this worktable 2 can move, mainly be that the movable pulley of this worktable 2 is with manufactured by metal, and floor is also use the lower metal material of impedance to carry out manufacturing and necessary ground connection, electrostatic charge on this worktable 2 just can be released to the earth through movable pulley and floor, and the worktable 2 of the 4th preferred embodiment can be used in moving in transhipment of electronic product.
Now, ground wire 51 tail end of this reference cell 5 can arrange this first Port 91, and the second Port 92 of multiple ground connection can be set in factory, when this worktable 2 moves to fixed point, this first and second Port 91,92 can be combined, with the impedance ground of this worktable 2 of detecting real-time, confirm that whether this worktable 2 ground connection is normal, and really electrostatic charge is imported underground.
Preferably, this first and second Port 91,92 can use magnetic-type connected mode to accelerate to be connected to each other, and can avoid when this worktable 2 mobile, the injury caused when this first and second Port 91,92 pulls separation.In addition, power lead can be arranged wherein in this first Port 91, use for this controller 31, during actual enforcement, the mode of combination and the configuration of electric wire can be changed by actual state, should as limit.
As shown in the above description, this novel worktable ground connection detecting real-time device has the following advantages really:
One, guarantee that product is good.
This controller 31 can the impedance ground of this worktable 2 of detecting real-time, also proceeds the detection of electronic product, guarantee that electronic product can not suffer the destruction of electrostatic when avoiding this worktable 2 ground connection that problem occurs.
Two, personal security is guaranteed.
When this worktable 2 correctly carries out ground connection, when electric leakage occurs the electrical equipment be positioned on this worktable 2, leakage current can be imported underground, avoid leakage current to injure tester, the safety of carrying out tester on this worktable 2 can be guaranteed.
Three, keep in repair fast.
Each worktable 2 in factory can be carried out Centralizing inspection and record by the server 61 of this Data Integration unit 6, to provide technician to learn fault message fast, reduces the reaction and judgement time, and keeps in repair for problem.
In sum, the impedance ground of this worktable 2 of the uninterrupted detecting of this novel worktable ground connection detecting real-time device, with avoid this worktable 2 ground connection occur problem time tester also proceed test job, can prevent electronic product from suffering the destruction of electrostatic, also tester can be prevented to suffer the injury of leakage current, this server 61 obtains the ground connection situation of all working platform 2 in factory, manage concentratedly in order to technician and keep in repair reference, in addition, this ground connection output unit 7 automatically can control this power supply output port 81 and export no, automatically light can be opened when facilitating tester to work, carry out test job, therefore really can reach the purpose of this utility model.
The above, be only preferred embodiment of the present utility model, and be not used to limit protection domain of the present utility model.

Claims (9)

1. whether a worktable ground connection detecting real-time device, be applicable to detecting one worktable ground connection, it is characterized in that, comprise:
One control module, comprises a controller, and one is electrically connected first attention device that also externally can send alerting with this controller;
One detecting unit, comprises a detection lines, and one end of this detection lines is electrically connected with this controller, and the other end is electrically connected with this worktable; And
One reference cell, is electrically connected with this control module, and comprises a ground wire, and one end of this ground wire is electrically connected with this controller, other end ground connection;
This controller detects the impedance ground of this worktable by this detection lines and this ground wire, when the impedance ground value of this worktable is greater than the default value of this controller, controls this first attention device and externally sends alerting.
2. worktable ground connection detecting real-time device according to claim 1, is characterized in that, more comprise a Data Integration unit, comprise a server be connected with at least one controller information.
3. worktable ground connection detecting real-time device according to claim 2, is characterized in that, wherein, this Data Integration unit more comprises one and is connected to message switching device between this controller and this server.
4. worktable ground connection detecting real-time device according to claim 3, is characterized in that, wherein, the information transmission between this Data Integration unit and this control module uses a close network to transmit.
5. worktable ground connection detecting real-time device according to claim 4, is characterized in that, more comprise a ground connection output unit, and it comprises a ground connection output port be electrically connected with this worktable, in order to externally to provide other equipment grounds.
6. worktable ground connection detecting real-time device according to claim 5, is characterized in that, wherein, this ground connection output unit more comprises second attention device be electrically connected with this ground connection output port, whether externally provides ground connection in order to show this ground connection output port.
7. worktable ground connection detecting real-time device according to claim 6, it is characterized in that, more comprise a power output unit be electrically connected with this ground connection output unit, it comprises a power supply output port, and the first switch that can control this power supply output port keying, when this ground connection output port externally provides ground connection, this power supply output port of this first switch control rule externally provides power supply, when this ground connection output port idle and ground connection is not externally provided time, this power supply output port of this first switch control rule stops externally providing power supply.
8. worktable ground connection detecting real-time device according to claim 7, it is characterized in that, wherein, this power output unit more comprises a second switch be electrically connected with this control module, when the impedance ground value of this worktable is greater than the default value of this controller, this second switch controls this power supply output port to be stopped externally providing power supply.
9. worktable ground connection detecting real-time device according to claim 8, it is characterized in that, more comprise an electrical assembled unit, it comprises and the first Port be electrically connected in this ground wire, and at least one the second Port being arranged at ground, this the second Port ground connection, this first and second Port is combined separably, to make this ground connection.
CN201520677304.1U 2015-09-02 2015-09-02 Workstation ground connection real -time detection device Expired - Fee Related CN205049677U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520677304.1U CN205049677U (en) 2015-09-02 2015-09-02 Workstation ground connection real -time detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520677304.1U CN205049677U (en) 2015-09-02 2015-09-02 Workstation ground connection real -time detection device

Publications (1)

Publication Number Publication Date
CN205049677U true CN205049677U (en) 2016-02-24

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CN201520677304.1U Expired - Fee Related CN205049677U (en) 2015-09-02 2015-09-02 Workstation ground connection real -time detection device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108732431A (en) * 2017-04-24 2018-11-02 巧橡科技有限公司 Electrostatic monitoring system
CN111157914A (en) * 2019-12-26 2020-05-15 通富微电子股份有限公司 Anti-static grounding wire monitoring device and integrated circuit testing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108732431A (en) * 2017-04-24 2018-11-02 巧橡科技有限公司 Electrostatic monitoring system
CN111157914A (en) * 2019-12-26 2020-05-15 通富微电子股份有限公司 Anti-static grounding wire monitoring device and integrated circuit testing system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160224

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