CN110609174B - Device and method for automatically measuring resistance value - Google Patents
Device and method for automatically measuring resistance value Download PDFInfo
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- CN110609174B CN110609174B CN201911018469.7A CN201911018469A CN110609174B CN 110609174 B CN110609174 B CN 110609174B CN 201911018469 A CN201911018469 A CN 201911018469A CN 110609174 B CN110609174 B CN 110609174B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 63
- 238000013500 data storage Methods 0.000 claims description 33
- 238000013208 measuring procedure Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 44
- 238000007655 standard test method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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Abstract
The invention discloses a device and a method for automatically measuring resistance value, wherein the device comprises the following components: a base, on which a measuring area is arranged; the measuring area is used for placing a tested element; the platform is erected above the measuring area of the base; and an electrode group arranged on the platform; the electrode group is provided with at least one first electrode and at least one second electrode; and a mobile device for contacting or separating the electrode group with or from the device under test; the resistance measuring instrument is respectively connected with the first electrode and the second electrode; with this structure, the object of facilitating automatic measurement of the resistance value of the tested element such as the floor unit of the raised floor can be achieved.
Description
Technical Field
The invention relates to a device and a method for automatically measuring resistance value; and more particularly to an apparatus and method for automatically measuring resistance of a device under test, such as a floor unit of an elevated floor, in compliance with an ESD society standard test method.
Background
The ESD association standard (ESD Association Standard) is mainly used to provide an "ESD association standard test method" to evaluate floors for controlling static electricity.
Most of the existing measuring devices are composed of a resistance measuring instrument matched with two electrodes, and are mainly used for measuring the resistance value of a floor unit of an installed raised floor. However, the existing measuring apparatus does not list the floor units of the uninstalled elevated floor as the measurement targets, and thus there are many inconveniences when the existing measuring apparatus is turned to measure the floor units of the uninstalled elevated floor.
The inventor has been in view of the above, and has conducted diligent research, years of experience in relevant product research, continuous experiments and improvements, and finally developed the present invention.
Disclosure of Invention
Accordingly, the present invention is directed to an apparatus for automatically measuring resistance of a device under test, such as a floor unit of a raised floor, according to the standard of the ESD society standard test method.
In order to achieve the above object, the present invention provides an apparatus for automatically measuring a resistance value, comprising: a base, on which a measuring area is arranged; the measuring area is used for placing a tested element; the platform is erected above the measuring area of the base; and an electrode group arranged on the platform; the electrode group is provided with at least one first electrode and at least one second electrode; and a mobile device for contacting or separating the electrode group with or from the device under test; and a resistance measuring instrument connected with the first electrode and the second electrode respectively.
Preferably, the electrode group has two first electrodes and six second electrodes.
Preferably, the two first electrodes and the six second electrodes are respectively electrically connected to a control device, and the control device makes one of the two first electrodes and one of the six second electrodes be electrically connected to the resistance measuring instrument together.
Preferably, the base is provided with at least one grounding device; the grounding device includes: two grounded pneumatic cylinders, which are arranged on the base and can make the tested element rise or fall, so as to make the electrode group contact with or separate from the tested element; the grounding electrode is arranged at the end parts of the piston rods of the two grounding pneumatic cylinders and is electrically connected with the control equipment; when the grounding pneumatic cylinder makes the tested element rise, the grounding electrode contacts the bottom of the tested element; one of the two first electrodes and the grounding electrode of the control device and one of the six second electrodes are electrically connected with the resistance measuring instrument together, so that the resistance value between the bottom and the top of the tested element is measured.
Preferably, the mobile device has a first mobile group; the first moving group is provided with at least one first pneumatic cylinder; the first pneumatic cylinder is arranged on the base and can enable the tested element to ascend or descend, so that the electrode group is contacted with or separated from the tested element, and the resistance value of the tested element can be conveniently and automatically measured.
Preferably, the electrode group has an electrode bearing plate, and the first electrode and the second electrode are arranged on the electrode bearing plate; the mobile device has a second mobile group; the second moving group is provided with at least one second pneumatic cylinder; the second pneumatic cylinder is arranged on the platform and can enable the electrode bearing plate to descend or ascend, so that the electrode group is contacted with or separated from the tested element, and the resistance value of the tested element can be conveniently and automatically measured.
Preferably, the front section and the rear section of the measuring area of the base are respectively provided with a to-be-measured area and a measured area, so that the next to-be-measured element can be conveniently placed in the to-be-measured area in advance and corrected in the time of waiting to measure the to-be-measured element.
Preferably, the base is further provided with a carrying device; the handling equipment can handle the tested element to the to-be-tested area, the measurement area or the tested area, thereby saving labor.
Another objective of the present invention is to provide a method for automatically measuring the resistance between two first electrodes and the ground electrode, which are in contact with the device under test, and six second electrodes, which meets the standard of the ESD society standard test method.
In order to achieve the above object, the present invention provides a method for automatically measuring a resistance value, which is a "standard measurement program", which is a program automatically operated by a control apparatus, comprising the steps of:
(1) Controlling a grounding pneumatic cylinder of a grounding device, raising a grounding electrode to contact the bottom of a tested element, and raising the tested element to a preset height;
(2) Controlling a second pneumatic cylinder of a mobile device, and descending an electrode bearing plate to a preset height to enable two first electrodes and six second electrodes to contact the top surface of the tested element;
(3) Controlling the two relay modules to enable the grounding electrode and the first electrode and the second electrode to be electrically connected with a resistance measuring instrument; performing a "basic measurement procedure" to save a first measurement data in a data store of the resistance meter; the "basic measurement program" includes: controlling a pneumatic device to press a measuring button of the resistance measuring instrument so as to measure a resistance value; after timing and waiting, controlling the pneumatic equipment to press a reset button of the resistance measuring instrument so as to store measurement data in a data storage of the resistance measuring instrument;
(4) The relay module is controlled to enable the grounding electrode to be electrically connected with the resistance measuring instrument together with the second electrode to the sixth electrode one by one in sequence, and the basic measuring program is respectively carried out, so that second measurement data to sixth measurement data are stored in a data storage of the resistance measuring instrument;
(5) Controlling a second pneumatic cylinder of the mobile device to lift the electrode bearing plate to a preset height; controlling a grounding pneumatic cylinder of the grounding device to lower the tested element to a preset height;
(6) Controlling a first pneumatic cylinder of the mobile device to raise the tested element to a predetermined height; controlling a second pneumatic cylinder of the mobile equipment, and descending the electrode bearing plate to a preset height to enable the first electrode and the second electrode to contact the top surface of the tested element;
(7) The relay module is controlled to enable the first electrode and the first electrode to be electrically connected with the resistance measuring instrument together with the first electrode and the sixth electrode in sequence, and the basic measuring program is respectively carried out, so that seventh to twelfth measuring data are stored in a data storage of the resistance measuring instrument; and sequentially enabling the second first electrode to be electrically connected with the first to sixth second electrodes together with the resistance measuring instrument one by one, and respectively performing the basic measuring procedure so as to store thirteenth to eighteenth measuring data in a data storage of the resistance measuring instrument.
It is still another object of the present invention to provide a method for automatically measuring resistance values between two first electrodes and six second electrodes, which are in contact with a device under test, in compliance with the standard of the ESD society standard test method.
In order to achieve the above object, the present invention provides a method for automatically measuring a resistance value, which is a face-to-face measuring program that is automatically operated by a control device, comprising the steps of:
(1) Controlling a first pneumatic cylinder of a mobile device to raise a tested element to a preset height; controlling a second pneumatic cylinder of the mobile equipment, and descending an electrode bearing plate to a preset height to enable two first electrodes and six second electrodes to contact the top surface of the tested element;
(2) Controlling the two relay modules to enable the first electrode and the first to sixth second electrodes to be electrically connected with a resistance measuring instrument one by one in sequence, and respectively performing a basic measuring program so as to store first to sixth measuring data in a data storage of the resistance measuring instrument; sequentially enabling a second first electrode to be electrically connected with the resistance measuring instrument together with a first electrode to a sixth electrode one by one, and respectively performing the basic measuring procedure so as to store seventh to twelfth measuring data in a data storage of the resistance measuring instrument; the "basic measurement program" includes: controlling a pneumatic device to press a measuring button of the resistance measuring instrument so as to measure a resistance value; after timing and waiting, the pneumatic device is controlled to press a reset button of the resistance measuring instrument so as to store the measured data in a data storage of the resistance measuring instrument.
It is still another object of the present invention to provide a method for automatically measuring resistance values between a ground electrode and six second electrodes, which are in contact with a device under test, in compliance with the standard of the ESD society standard test method.
In order to achieve the above object, the present invention provides a method of automatically measuring a resistance value, which is a program for face-to-face measurement, which is automatically operated by a control apparatus, comprising the steps of:
(1) Controlling a grounding pneumatic cylinder of a grounding device, raising a grounding electrode to contact the bottom of a tested element, and raising the tested element to a preset height;
(2) Controlling a second pneumatic cylinder of a mobile device, and descending an electrode bearing plate to a preset height to enable two first electrodes and six second electrodes to contact the top surface of the tested element;
(3) Controlling two relay modules to enable the grounding electrode and the first and second electrodes to be electrically connected with a resistance measuring instrument, and respectively performing a basic measuring program so as to store first to sixth measuring data in a data storage of the resistance measuring instrument; the "basic measurement program" includes: controlling a pneumatic device to press a measuring button of the resistance measuring instrument so as to measure a resistance value; after timing and waiting, the pneumatic device is controlled to press a reset button of the resistance measuring instrument so as to store the measured data in a data storage of the resistance measuring instrument.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic diagram of a measurement area of the base of the present invention, in which a to-be-measured area and a measured area are respectively disposed at a front section and a rear section of the measurement area.
Fig. 3 is a schematic diagram of two first electrodes and six second electrodes disposed on an electrode carrier plate according to the present invention.
FIG. 4 is a schematic diagram showing the connection relationship among two first electrodes, six second electrodes, a resistance measuring instrument and a control device according to the present invention.
FIG. 5 is a schematic view of a base with portions broken away to facilitate disclosure of other components.
Fig. 6 is an enlarged schematic view of portion a of fig. 5 in accordance with the present invention.
Fig. 7 is a schematic view of the first electrode and the second electrode contacting the receiving-side element according to the present invention.
Fig. 8 is a schematic view of an electric cabinet according to the present invention.
Fig. 9 is a schematic diagram of a control device and a pneumatic device of the present invention.
Fig. 10 is a top view of the present invention.
FIG. 11 is a schematic diagram of a method for automatically measuring resistance according to the present invention.
Description of the reference numerals:
100. device 1 base for automatically measuring resistance value
11. Measurement zone 12 area to be measured
121. The positioning plate 13 is measured
14. Conveying equipment 141 belt
142. First inductor 2 platform
3. Electrode group 31 first electrode
311. Second electrode of relay module 32
321. Relay module 33 electrode bearing plate
4. First mobile group of mobile devices 41
411. First pneumatic cylinder 42 second moving group
421. Second pneumatic cylinder 5 resistance measuring instrument
51. Switch button 52 measuring button
53. Reset button 54 data transmission button
541. Computer 55 data clearing button
6. Control device 61 pneumatic device
7. Grounding device 71 grounding pneumatic cylinder
72. Electric cabinet with grounding electrode 8
81. Power button 82 activation button
83. Man-machine interface 84 counter
85. Temperature display 101 device under test
Detailed Description
As shown in fig. 1 to 3, the apparatus 100 for automatically measuring a resistance value according to the present invention includes: a base 1 on which a measuring region 11 is arranged; the measuring area 11 is used for placing a tested element 101; the platform 2 is erected above the measuring area 11 of the base 1; and an electrode group 3 disposed on the platform 2; the electrode group 3 has at least one first electrode 31 and at least one second electrode 32; and a mobile device 4 for contacting or separating the electrode group 3 with the tested element 101; and a resistance measuring instrument 5 connected to the first electrode 31 and the second electrode 32, respectively; with the structure, the aim of conveniently and automatically measuring the resistance value of the tested element can be achieved. As will be described in detail below.
The base 1 may be a steel frame structure, and a measurement area 11 is disposed thereon for placing at least one tested device 101. The element under test 101 may be an element requiring measurement of resistance value, such as a floor unit of a raised floor.
The platform 2 is mounted above the measurement area 11 of the base 1, and is mainly used for disposing the first electrode 31 and the second electrode 32 of the electrode group 3, so that the first electrode 31 and the second electrode 32 can be disposed above the device under test 101. In addition, the components of the mobile device 4, the resistance measuring instrument 5, the control device 6 and the like can also be arranged on the platform or the base.
In the invention, wiring among components of the electrode group 3, the mobile device 4, the resistance measuring instrument 5, the control device 6 and the like is omitted in each drawing so as to facilitate the illustration.
As shown in fig. 3, the electrode group 3 has at least one first electrode 31 and at least one second electrode 32. In the electrode group 3, the number of the first electrodes 31 and the second electrodes 32 may be selected as appropriate. Thus, electrode group 3 may have two first electrodes 31 and six second electrodes 32 to conform to the "ESD Association standard test method", and in particular to conform to "ANSI/ESD STM7.1-2005" (shown in appendix 1). Samples for 305mmX610mm are described on page 8 of ANSI/ESD STM7.1-2005, while the floor units of raised floors commonly used in the industry are square (as shown in fig. 2 for test element 101), so measurements can be made for half of the test element 101 (as shown in fig. 7) while performing measurements consistent with ANSI/ESD STM 7.1-2005. The points to be measured described in page 8 of ANSI/ESD STM7.1-2005 have 8 points to be measured, i.e., point Position A, point Position B, and points 1-6, and the positions of the two first electrodes 31 of the present invention can correspond to the point Position A and the point Position B, and the positions of the six second electrodes 32 can correspond to the points 1-6, so that the resistance values can be measured effectively and rapidly.
When there is only one first electrode 31 and one second electrode 32, the first electrode 31 and one second electrode 32 can be electrically connected to the resistance measuring instrument 5 (not shown), and the user only needs to make the first electrode 31 and the second electrode 32 contact with the tested element 101 to measure the resistance value.
As shown in fig. 4, when two first electrodes 31 and six second electrodes 32 are used, the two first electrodes 31 and the six second electrodes 32 are not directly electrically connected to the resistance measuring instrument 5, but are electrically connected to a control device 6, respectively. The control device 6 may employ a programmable controller (Programmable Logic Controller) for electrically connecting one of the two first electrodes 31 together with one of the six second electrodes with the resistance meter, thereby measuring the resistance value. In addition, two relay modules 311, 321 may be disposed on the six first electrodes 31 and the two second electrodes 32 and the control device 6, so as to facilitate control.
The mobile device 4 may bring the electrode group 3 into contact with or out of contact from the device under test 101 by moving the device under test 101 and/or the electrode group 3. After the device under test 101 is placed in the measurement area 11 of the base 1, the mobile device 4 may be used to bring the electrode group 3 into contact with the device under test 101, thereby measuring the resistance value. After the measurement is completed, the mobile device 4 is used to separate the electrode group 3 from the tested element 101, so as to facilitate the replacement of the tested element 101.
The partial structure of the base is removed in fig. 5-6 to facilitate the disclosure of other components. Fig. 7 is a schematic diagram of the electrode group 3 contacting the device under test 101. As shown in fig. 5-7, the mobile device 4 may have a first moving group 41 for moving the tested device 101. The first moving group 41 may have at least one first pneumatic cylinder 411, and in fig. 6, four first pneumatic cylinders 411 are exemplified.
The first pneumatic cylinder 411 is disposed on the base, and can raise or lower the tested element 101. When the first pneumatic cylinder 411 drives the tested element to rise to a predetermined position, the tested element can be contacted with the first electrode 31 and the second electrode 32, so as to conveniently measure the resistance value of the tested element. In addition, since many other components are disposed on the base 1, such as vibration may be generated, or other components may be electrically connected to the tested device 101, after the tested device 101 is lifted by the first moving set 41, external influence may be reduced when the tested device 101 is measured, and other components may be prevented from being electrically connected to the tested device.
The mobile device 4 may also have a second moving set 42 for moving the first electrode 31 and the second electrode 32. In order to match the second moving set 42, an electrode carrier 33 may be further disposed in the electrode group, and two first electrodes 31 and six second electrodes 32 are disposed on the electrode carrier 33 together, so as to facilitate moving the first electrodes 31 and the second electrodes 32 simultaneously. The second movable group 42 has at least one second pneumatic cylinder 421, and two second pneumatic cylinders 421 are exemplified in fig. 6.
The second pneumatic cylinder 421 is provided on the platform 2 and can lower or raise the electrode bearing plate 33. When the second pneumatic cylinder 421 drives the electrode carrying plate 33 to descend to a predetermined position, the first electrode 31 and the second electrode 32 can contact the tested element 101, so as to measure the resistance value of the tested element conveniently.
The first moving set 41 or the second moving set 42 can be used alone to achieve the purpose of contacting or separating the first electrode 31 and the second electrode 32 of the electrode group 3 with or from the tested element (i.e. the state shown in fig. 7). By using the first moving set 41 and the second moving set 42, the external influence can be reduced by the first moving set 41, and the user can know the measurement progress conveniently by the condition that the electrode bearing plate is moved by the second moving set 42.
In addition to the first and second moving sets 41 and 42 of the mobile device 4 being used to contact or separate the first and second electrodes 31 and 32 from the device under test 101, at least one grounding device 7 may be further disposed on the base 1, so as to contact or separate the first and second electrodes 31 and 32 from the device under test 101, two grounding devices 7 being illustrated in fig. 6.
The grounding device 7 includes: two grounded pneumatic cylinders 71 disposed on the base 1 and capable of raising or lowering the device under test 101 so as to bring the electrode group 3 into contact with or separate from the device under test 101; and a grounding electrode 72, the grounding electrode 72 may be plate-shaped, is disposed at the end of the piston rod of the two grounding pneumatic cylinders 71, and is electrically connected to the control device; when the ground cylinder 71 lifts the test element 101, the ground electrode 72 contacts the bottom of the test element 101. In this case, the control device may be configured to electrically connect one of the two first electrodes and the ground electrode together with one of the six second electrodes to the resistance measuring instrument, thereby measuring the resistance value between the bottom (ground electrode) and the top (second electrode) of the element under test.
As shown in fig. 4, the resistance measuring instrument 5 may employ various kinds of machines. For example, PRS resistance measuring instruments are used, which have at least: an ON/OFF button 51 for turning ON or OFF the resistance measuring instrument 5; and a measurement (TEST) button 52 for making a resistance measurement, the HOLD indicator (not shown) being present when the measurement is completed; and a RESET button 53 for storing the current measurement data in the data memory of the resistance measuring instrument 5 and clearing the HOLD indicator to prepare for the next measurement; and a data transmission (SEND) button 54 for transmitting the measurement data stored in the data storage to a computer 541; and a data CLEAR button 55 for clearing the measurement data in the data storage.
As shown in fig. 8, the control device 6 may be provided in an electric cabinet 8. The electric cabinet 8 can be further provided with: a power button 81 for turning on or off the control device 6; and an actuation button 82 for enabling the control device 6 to perform an automatic measurement operation; and a man-machine interface 83 for the user to input various data. In addition, the electric cabinet 8 can be further provided with: a counter 84 for displaying the number of measured devices; and a temperature and humidity display 85 for sensing and displaying the temperature and humidity of the surrounding environment.
As shown in fig. 9, the control device 6 may be further connected to a pneumatic device 61 for controlling the respective pneumatic cylinders and the resistance measuring instrument 5. The pneumatic device 61 includes an air compressor, a plurality of air pressure pipes, and solenoid valves (not shown), which can control the lifting of the first air pressure cylinder 411, the second air pressure cylinder 421, and/or the grounding air pressure cylinder 71, and can activate the on/off button 51, the measuring button 52, the reset button 53, the data transmission button 54, and/or the data clearing button 55, so as to achieve the automatic measurement effect.
As shown in fig. 1-2, a to-be-measured area 12 and a measured area 13 are respectively disposed at the front and rear sections of the measuring area 11 of the base 1. In waiting for the measurement of the device under test 101, the next device under test 101 can be placed and calibrated in advance in the area under test 12, thereby saving time. After the measurement is completed, the measured element 101 can be quickly moved from the measurement area 11 to the measured area 13, so that the measured element 101 can be conveniently moved out of the base 1, and a new measured element can be conveniently and quickly placed in the measurement area, thereby saving time.
A handling device 14 may further be provided on the base 1. The handling device 14 can handle the tested device 101 in the tested region 12 to the measuring region 11 or handle the tested device 101 in the measuring region 11 to the tested region 13, thereby saving labor.
The handling device 14 may be a plurality of belts 141 and may be driven by a motor (not shown). In addition, the handling device 14 may also be electrically connected to the control device 6, so that the handling device 14 is automatically controlled by the control device 6.
Several sensors may be provided on the base 1, whereby the control device 6 is assisted in controlling the handling device 14. For example, a first sensor 142 (shown in fig. 6) may be disposed at a predetermined position in the measurement area 11 of the base 1. When the handling device 14 carries the tested device 101 to the measurement area 11, the first sensor 142 is triggered to send a signal to the control device 6, and the control device 6 can send a signal to stop the handling device 14.
As shown in fig. 10, the tested element 101 may be a floor unit of an elevated floor or a component such as a round cover plate (not shown) on a ventilation hole of a floor slab, etc. which needs to measure a resistance value. When the device under test 101 is square, such as a floor unit of a raised floor, two positioning plates 121 may be disposed on the area under test 12 to position the device under test 101. The user may first place the device under test 101 on the handling apparatus 14, and then place the device under test 101 against the positioning plate 121, so that the device under test 101 is aligned with the measurement area 11.
As shown in fig. 1, the resistance measuring instrument 5 may be connected to a computer 541 by a wired or wireless method, and may transmit the resistance information obtained by the measurement to the computer 541 for subsequent use. The computer 541 may be provided on the base 1.
As shown in fig. 11, the method for automatically measuring the resistance value of the present invention may be divided into: s31 "standard measurement program", S41 "face-to-face measurement program", S51 "face-to-ground measurement program". In addition, when the processes such as the "standard measurement process", "face-to-face measurement process" and "face-to-face measurement process" are performed, the processes such as the "preparation process for replacing the device under test" and the "data transfer and the" process for replacing the device under test "of S61" and the like may be performed simultaneously.
S11 "preparation program" is a program operated by a person, which includes: starting the pneumatic equipment; starting a computer; the control equipment is started by pressing a power button on the control equipment, and the control equipment can press a switch button of the resistance measuring instrument; starting the carrying equipment; and placing the tested element in the to-be-tested area, and pushing the tested element to the positioning plate to complete positioning.
In the "preparation procedure" of S11, the pneumatic device, the computer, the handling device, etc. may be activated by the control device in a unified manner, so as to achieve the efficacy of one-key automated operation.
S21 "set program" is a program operated by a person, which includes: setting operation conditions of each device such as the speed of the carrying device through a human-computer interface; the subsequent step S31 "standard measurement program", S41 "face-to-face measurement program" or S51 "face-to-face measurement program" is set through the human-computer interface, and then the start button on the control device is pressed.
S31 "standard measurement program" is a program automatically operated by the control apparatus, which includes: (1) A grounding pneumatic cylinder 71 controlling the grounding device 7, raising the grounding electrode 72 to contact the bottom of the element under test 101, and raising the element under test 101 to a predetermined height; (2) Controlling the second pneumatic cylinder 421 of the mobile device 4 to lower the electrode bearing plate 33 to a predetermined height so that the first electrode 31 and the second electrode 32 contact the top surface of the tested element 101; (3) The control relay modules 311 and 321 electrically connect the ground electrode 72 and the first and second electrodes 32 together with the resistance measuring instrument 5; performing a "basic measurement procedure" to save the first measurement data in the data storage of the resistance measuring instrument 5; the "basic measurement program" includes: controlling the pneumatic device 61 to press the measuring button 52, thereby measuring the resistance value; after waiting for the timer, the pneumatic device 61 is controlled to press the reset button 53, thereby saving the measurement data in the data storage of the resistance measuring instrument; (4) The control relay modules 311, 321 sequentially electrically connect the ground electrode 72 with the second to sixth second electrodes 32 together with the resistance measuring instrument 5 one by one, and respectively perform "basic measuring procedures", so as to store the second to sixth measuring data in the data storage of the resistance measuring instrument; (5) A second pneumatic cylinder 421 for controlling the mobile device 4 to raise the electrode bearing plate 33 to a predetermined height; the grounding pneumatic cylinder 71 of the grounding device 7 is controlled to lower the tested element 101 to a predetermined height; (6) A first pneumatic cylinder 411 that controls the mobile device 4 to raise the element under test 101 to a predetermined height; controlling the second pneumatic cylinder 421 of the mobile device 4 to lower the electrode bearing plate 33 to a predetermined height so that the first electrode 31 and the second electrode 32 contact the top surface of the tested element 101; (7) The control relay modules 311, 321 sequentially make the first electrode 31 and the first to sixth second electrodes 32 electrically connected with the resistance measuring instrument 5 one by one, and respectively perform "basic measuring procedure", so as to store seventh to twelfth measuring data in the data storage of the resistance measuring instrument 5; then, the second first electrode 31 and the first to sixth second electrodes 32 are electrically connected with the resistance measuring instrument 5 one by one in sequence, and the basic measuring procedure is performed respectively, so as to store the thirteenth to eighteenth measuring data in the data storage of the resistance measuring instrument 5.
S41 "face-to-face measurement program" is a program automatically operated by the control apparatus, which includes: (1) A first pneumatic cylinder 411 that controls the mobile device 4 to raise the element under test 101 to a predetermined height; controlling the second pneumatic cylinder 421 of the mobile device 4 to lower the electrode bearing plate 33 to a predetermined height so that the first electrode 31 and the second electrode 32 contact the top surface of the tested element 101; (2) The control relay modules 311, 321 sequentially make the first electrode 31 and the first to sixth second electrodes 32 electrically connected with the resistance measuring instrument 5 one by one, and respectively perform "basic measuring procedure", so as to store the first to sixth measuring data in the data storage of the resistance measuring instrument 5; the second first electrode 31 and the first to sixth second electrodes 32 are electrically connected with the resistance measuring instrument 5 one by one in sequence, and respectively perform a basic measuring procedure, so as to store seventh to twelfth measuring data in the data storage of the resistance measuring instrument 5.
S51 "face-to-face measurement program" is a program automatically operated by the control apparatus, which includes: (1) A grounding pneumatic cylinder 71 controlling the grounding device 7, raising the grounding electrode 72 to contact the bottom of the element under test 101, and raising the element under test 101 to a predetermined height; (2) Controlling the second pneumatic cylinder 421 of the mobile device 4 to lower the electrode bearing plate 33 to a predetermined height so that the first electrode 31 and the second electrode 32 contact the top surface of the tested element 101; (3) The control relay modules 311, 321 electrically connect the ground electrode 72 and the first and second electrodes 32 together with the resistance measuring instrument 5, and respectively perform "basic measurement procedures", so as to store the first to sixth measurement data in the data storage of the resistance measuring instrument.
S61 "preparation program for replacing a tested element" is a program operated by a person, which may be performed simultaneously with a program such as "standard measurement program", "face-to-face measurement program", or "face-to-face measurement program", which includes: (1) Placing the next tested element 101 in the tested area 12 and completing positioning; (2) The measured area 13 is emptied, for example, the measured component 101 is removed; (3) The handling device 14 is controlled to handle the next tested element 101 in the tested area 12 to the measured area 11, and to handle the tested element 101 already measured in the measured area 11 to the tested area 13, and the handling device 14 is stopped when the tested element 101 triggers the first sensor 142.
S71, a data transmission and replacement test device program, is a program automatically operated by the control apparatus, comprising: (1) Controlling the pneumatic device 61 to press the data transmission button 54 to transmit the measurement data (eighteen, twelve or six measurement data) stored in the data storage to the computer 541, and then controlling the pneumatic device 61 to press the data clearing button 55 to clear the measurement data in the data storage; (2) Simultaneously with (1), the moving device 4 and/or the grounding device 7 is controlled, the electrode bearing plate 33 is raised to a predetermined height and the measured element 101 is placed on the carrying device 14, then the carrying device 14 is controlled, the measured element 101 in the measurement area 11 is carried to the measured area 13 and simultaneously the measured element 101 in the measured area 12 is carried to the measurement area 11, and then the S31 "standard measurement procedure", the S41 "face-to-face measurement procedure", or the S51 "face-to-face measurement procedure is performed.
After the measurement is completed, the area under test 12 is no longer populated with new components under test. After the handling device 14 has handled the tested components in the measuring area 11 to the measured area 13, the computer, the control device, the resistance measuring instrument, the handling device, the pneumatic device may be turned off.
The foregoing embodiments are provided for convenience of explanation only, and the scope of the present invention should not be limited to the above-described embodiments.
Claims (7)
1. An apparatus for automatically measuring a resistance value, comprising:
a base, on which a measuring area is arranged; the measuring area is used for placing a tested element; and
The platform is erected above the measuring area of the base and is used for controlling equipment;
the electrode group comprises an electrode bearing plate, two first electrodes and six second electrodes, wherein the first electrodes and the second electrodes are arranged on the electrode bearing plate; the two first electrodes and the six second electrodes are respectively and electrically connected with the control equipment, and relay modules are arranged between the two first electrodes and the six second electrodes and the control equipment;
A mobile device for contacting or separating the electrode group with the tested element; the mobile device has a first mobile group; the first moving group is provided with at least one first pneumatic cylinder; the first pneumatic cylinder is arranged on the base and can enable the tested element to ascend or descend so as to enable the electrode group to be contacted with or separated from the tested element, the mobile equipment is further provided with a second moving group, the second moving group is provided with at least one second pneumatic cylinder, the second pneumatic cylinder is arranged on the platform and can enable the electrode bearing plate to descend or ascend so as to enable the electrode group to be contacted with or separated from the tested element;
The grounding device comprises two grounding pneumatic cylinders and a grounding electrode, wherein the two grounding pneumatic cylinders are arranged on the base and can enable a tested element to ascend or descend so as to enable the electrode group to be contacted with or separated from the tested element, and the grounding electrode is plate-shaped and is arranged at the end parts of piston rods of the two grounding pneumatic cylinders; the grounding device is electrically connected with the control device, when at least one grounding pneumatic cylinder enables the tested element to ascend, the grounding electrode is contacted with the bottom of the tested element, one of the two first electrodes and one of the six second electrodes are electrically connected with the resistance measuring instrument together in sequence, the grounding electrode is electrically connected with the resistance measuring instrument together with one of the six second electrodes together in sequence, or the grounding electrode is electrically connected with the resistance measuring instrument together with one of the six second electrodes together in sequence;
The resistance measuring instrument comprises a shutdown button, a measuring button, a reset button, a data transmission button and a data clearing button, wherein the shutdown button can be used for starting or stopping the resistance measuring instrument, the measuring button can be used for measuring resistance, the reset button can be used for storing current measured data in a data storage of the resistance measuring instrument, the data transmission button is used for transmitting the measured data stored in the data storage to a computer, and the data clearing button can be used for clearing the measured data in the data storage, and the resistance measuring instrument is connected with the two relay modules; and
And the conveying equipment is electrically connected with the control equipment, and drives the belt to convey the tested element to the to-be-tested area, the measurement area or the tested area by using the motor.
2. The apparatus according to claim 1, wherein the handling device is configured to handle the tested device in the tested area to the measurement area or handle the tested device in the measurement area to the tested area, so that the handling device is automatically controlled by the control device, and two positioning plates are disposed on the tested area to position the tested device to align the tested device to the measurement area.
3. The apparatus for automatically measuring resistance according to claim 1, wherein the first moving group has 4 first pneumatic cylinders and 2 second pneumatic cylinders.
4. The apparatus of claim 1, wherein a first sensor is disposed at a predetermined position of the measuring area, and the first sensor is triggered to signal to a control device when the handling device is handling the device to be measured to the measuring area, and the control device sends a signal to stop the handling device.
5. A method of automatically measuring a resistance value, which is performed based on the apparatus for automatically measuring a resistance value according to any one of claims 1 to 4, the method being a "standard measurement program", and being operated automatically by a control device, characterized by comprising the steps of:
(1) Controlling a grounding pneumatic cylinder of a grounding device, raising a grounding electrode to contact the bottom of a tested element, and raising the tested element to a preset height;
(2) Controlling a second pneumatic cylinder of a mobile device, and descending an electrode bearing plate to a preset height to enable two first electrodes and six second electrodes to contact the top surface of the tested element;
(3) Controlling the relay module to enable the grounding electrode and the first electrode and the second electrode to be electrically connected with a resistance measuring instrument; performing a "basic measurement procedure" to save a first measurement data in a data store of the resistance meter; the "basic measurement program" includes: controlling a pneumatic device to press a measuring button of the resistance measuring instrument so as to measure a resistance value; after timing and waiting, controlling the pneumatic equipment to press a reset button of the resistance measuring instrument so as to store measurement data in a data storage of the resistance measuring instrument;
(4) The relay module is controlled to enable the grounding electrode to be electrically connected with the resistance measuring instrument together with the second electrode to the sixth electrode one by one in sequence, and the basic measuring program is respectively carried out, so that second measurement data to sixth measurement data are stored in a data storage of the resistance measuring instrument;
(5) Controlling a second pneumatic cylinder of the mobile device to lift the electrode bearing plate to a preset height; controlling a grounding pneumatic cylinder of the grounding device to lower the tested element to a preset height;
(6) Controlling a first pneumatic cylinder of the mobile device to raise the tested element to a predetermined height; controlling a second pneumatic cylinder of the mobile equipment, and descending the electrode bearing plate to a preset height to enable the first electrode and the second electrode to contact the top surface of the tested element;
(7) The relay module is controlled to enable the first electrode and the first electrode to be electrically connected with the resistance measuring instrument together with the first electrode and the sixth electrode in sequence, and the basic measuring program is respectively carried out, so that seventh to twelfth measuring data are stored in a data storage of the resistance measuring instrument; and sequentially enabling the second first electrode to be electrically connected with the first to sixth second electrodes together with the resistance measuring instrument one by one, and respectively performing the basic measuring procedure so as to store thirteenth to eighteenth measuring data in a data storage of the resistance measuring instrument.
6. A method of automatically measuring a resistance value, which is a face-to-face measurement program, performed based on the apparatus for automatically measuring a resistance value according to any one of claims 1 to 4, automatically operated by a control device, characterized by comprising the steps of:
(1) Controlling a first pneumatic cylinder of a mobile device to raise a tested element to a preset height; controlling a second pneumatic cylinder of the mobile equipment, and descending an electrode bearing plate to a preset height to enable two first electrodes and six second electrodes to contact the top surface of the tested element;
(2) The relay module is controlled to sequentially enable a first electrode and a first electrode to a sixth electrode to be electrically connected with a resistance measuring instrument together one by one, and a basic measuring program is respectively carried out, so that first to sixth measuring data are stored in a data storage of the resistance measuring instrument; sequentially enabling a second first electrode to be electrically connected with the resistance measuring instrument together with a first electrode to a sixth electrode one by one, and respectively performing the basic measuring procedure so as to store seventh to twelfth measuring data in a data storage of the resistance measuring instrument; the "basic measurement program" includes: controlling a pneumatic device to press a measuring button of the resistance measuring instrument so as to measure a resistance value; after timing and waiting, the pneumatic device is controlled to press a reset button of the resistance measuring instrument so as to store the measured data in a data storage of the resistance measuring instrument.
7. A method of automatically measuring a resistance value, which is a "face-to-face measurement program", which is automatically operated by a control device, based on the apparatus of automatically measuring a resistance value as claimed in any one of claims 1 to 4, characterized by comprising the steps of:
(1) Controlling a grounding pneumatic cylinder of a grounding device, raising a grounding electrode to contact the bottom of a tested element, and raising the tested element to a preset height;
(2) Controlling a second pneumatic cylinder of a mobile device, and descending an electrode bearing plate to a preset height to enable two first electrodes and six second electrodes to contact the top surface of the tested element;
(3) The relay module is controlled to sequentially electrically connect the grounding electrode with the first to sixth second electrodes together with a resistance measuring instrument,
The first electrode and the second electrode are electrically connected with a resistance measuring instrument, and respectively perform a basic measuring procedure so as to store first to sixth measuring data in a data storage of the resistance measuring instrument; the "basic measurement program" includes: controlling a pneumatic device to press a measuring button of the resistance measuring instrument so as to measure a resistance value; after timing and waiting, the pneumatic device is controlled to press a reset button of the resistance measuring instrument so as to store the measured data in a data storage of the resistance measuring instrument.
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