CN211348539U - Test equipment of comprehensive acquisition machine - Google Patents
Test equipment of comprehensive acquisition machine Download PDFInfo
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- CN211348539U CN211348539U CN201922218024.5U CN201922218024U CN211348539U CN 211348539 U CN211348539 U CN 211348539U CN 201922218024 U CN201922218024 U CN 201922218024U CN 211348539 U CN211348539 U CN 211348539U
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Abstract
The embodiment of the utility model provides a synthesize test equipment of gathering machine, include: the test module of at least one board card of the comprehensive acquisition machine and a corresponding test connecting line are arranged; and both ends of each test connecting line are multi-interface connectors for connecting the corresponding test module and the corresponding board card. The test module is connected with the corresponding board card of the comprehensive acquisition machine through the test connecting line with the multi-interface connectors at two ends, and each path of interface of the board card can be tested only by connecting once, so that the test efficiency is improved. Furthermore, test operation interfaces of all the test modules are arranged on the same surface of the shell of the test equipment, so that one tester can complete left and right operation, and the operation is convenient.
Description
Technical Field
The utility model relates to a CSM (central Signalling monitoring system, railway signal Centralized monitoring system) technical field, more specifically says, relates to the test equipment of synthesizing the gathering machine.
Background
CSM is a comprehensive maintenance support and information monitoring network system oriented to the signal field of high-speed railways and ordinary railways, is important driving safety equipment for ensuring driving safety, strengthening signal equipment and monitoring management and maintenance support of a combination part of the signal equipment, and is a comprehensive maintenance platform of the signal equipment. CSM is three-level four-layer structure, forms the monitoring system who covers the whole road network from station to national railway bureau.
The CSM is mainly composed of an acquisition cabinet, a comprehensive acquisition machine, an interface extension machine and other core equipment are configured in the acquisition cabinet, and the acquisition data are collected and processed and then forwarded to a monitoring host of a station. The comprehensive acquisition machine receives an operation command sent by the monitoring host machine, outputs direct current voltage and drives the relay to form a cable insulation test loop. The comprehensive acquisition machine is provided with acquisition power supplies, a mold-in plate, an opening plate, an insulation interface plate and other board cards, each board card supports multiple paths of data, and the comprehensive acquisition machine cabinet is connected with station acquisition equipment through a connector.
The module board is connected with a power line of station equipment and is mainly used for collecting analog quantity data such as station equipment voltage, leakage current of a cable to a floor drain and the like. The opening plate is connected with a relay contact of the station equipment and used for collecting relay states, such as turnout positioning and inversion, and the signal lamp lights relay information of red lamps, green lamps, yellow lamps and the like and judging the working state of the station equipment. The switch-out board can output a plurality of paths of direct current switching value signals, through different combinations of the plurality of paths of switching value signals, the relay on the station combination frame is driven to gate different channels, and each channel is connected with a station signal cable; after gating the channel, insulation and leakage current tests are carried out on the cable. The insulation interface board is connected with a station power supply cable and a communication cable of outdoor equipment, and acquires the ground insulation resistance of the field signal cable and the power supply cable.
In order to ensure the reliability and stability of the comprehensive acquisition machine, the test is carried out before the cabinet leaves a factory. Therefore, a testing device is needed to test the comprehensive collecting machine.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a test equipment of synthesizing the harvester wants to realize the test to synthesizing the harvester.
In order to achieve the above object, the following solutions are proposed:
a test apparatus for an integrated harvester, comprising: the test module of at least one board card of the comprehensive acquisition machine and the corresponding test connecting line;
and both ends of each test connecting line are multi-interface connectors for connecting corresponding test modules and corresponding board cards.
Optionally, the test module of the at least one board card includes:
at least one of a mold-in board test module, an opening board test module and an insulation interface board test module;
and the test operation interfaces of all the test modules are positioned on the same surface of the shell of the test equipment.
Optionally, the test module includes a die-in board test module, and the test connection line includes a die-in board test connection line;
the molded-in board test module includes:
a first direct current voltage input end for accessing direct current voltage; and the combination of (a) and (b),
a first voltage signal multi-interface connector having each interface input connected to the first direct current voltage input;
and the interface output end of the first voltage signal multi-interface connector is used for connecting a multi-interface connector of the test connecting line of the mould-in board.
Optionally, the test module includes an open board test module, and the test connection line includes an open board test connection line;
the opening board test module includes:
the second direct-current voltage input end is used for accessing direct-current voltage;
the interface output end is used for connecting a second voltage signal multi-interface connector of one multi-interface connector of the test connecting line of the access board; and the number of the first and second groups,
and the switch is connected between the second direct-current voltage input end and each interface input end of the second voltage signal multi-interface connector, and the switch corresponds to each interface input end of the second voltage signal multi-interface connector one to one.
Optionally, the test module includes an open board test module, and the test connection line includes an open board test connection line;
the board test module of opening includes:
a third direct-current voltage input end for accessing direct-current voltage;
the interface output end is used for connecting a third voltage signal multi-interface connector of one multi-interface connector of the outgoing board test connecting line; and the number of the first and second groups,
a test branch connected between the third dc voltage input terminal and each interface input terminal of the third voltage signal multi-interface connector, the test branch corresponding to each interface input terminal of the third voltage signal multi-interface connector one-to-one;
the test branch comprises a resistor and an indicator light which are connected in series.
Optionally, the test branch further includes:
and two test ports led out from two ends of the resistor and the indicator lamp which are connected in series.
Optionally, the test module includes an insulation interface board test module, and the test connection line includes an insulation interface board test connection line;
the insulation interface board test module comprises:
an insulation test meter;
the standard resistor is connected with the testing end of the insulation testing meter; and the number of the first and second groups,
the interface output end is used for connecting a resistance signal multi-interface connector of one multi-interface connector of the test connecting line of the insulation interface board;
and the output end of the insulation test meter is connected with each interface input end of the resistance signal multi-interface connector.
Optionally, the testing apparatus of the comprehensive collecting machine further includes: opening a board insulation test connecting line and a voltage withstanding test device;
the board insulation test connecting wire of opening includes: the multi-interface connector is used for connecting the opening board, and the leads are sequentially connected with all interfaces of the multi-interface connector used for connecting the opening board;
the lead is also used for connecting a test line of the withstand voltage test equipment.
Optionally, the testing apparatus of the comprehensive collecting machine further includes: opening a board insulation test connecting line and a voltage withstanding test device;
it includes to open insulating test connecting wire of board: the multi-interface connector is used for being connected with the opening board, the first conducting wire is sequentially connected with one part of interfaces of the multi-interface connector used for being connected with the opening board, and the second conducting wire is sequentially connected with the other part of interfaces of the multi-interface connector used for being connected with the opening board;
the second lead and the first lead are also used for connecting a test wire of the withstand voltage test equipment.
Optionally, the multi-interface connector is: a rectangular connector.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the test equipment of the comprehensive acquisition machine provided by the technical scheme comprises: the test module of at least one board card of the comprehensive acquisition machine and a corresponding test connecting line are arranged; and both ends of each test connecting line are multi-interface connectors for connecting the corresponding test module and the corresponding board card. The test module is connected with the corresponding board card of the comprehensive acquisition machine through the test connecting line with the multi-interface connectors at two ends, and each path of interface of the board card can be tested only by connecting once, so that the test efficiency is improved.
Furthermore, test operation interfaces of all the test modules are arranged on the same surface of the shell of the test equipment, so that one tester can complete left and right operation, and the operation is convenient.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a testing apparatus of an integrated collecting machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rectangular connector according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a mold-in board testing module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an access board testing module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a test module for a knock-out plate according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another development board testing module according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an insulation interface board testing module according to an embodiment of the present invention;
fig. 8 is an appearance schematic diagram of a testing device of an integrated collecting machine according to an embodiment of the present invention;
fig. 9 is a schematic structural view of an insulation test connection line of an opening plate according to an embodiment of the present invention;
fig. 10 is a schematic structural view of another insulation test connection line for an opening plate according to an embodiment of the present invention;
fig. 11 is a schematic structural view of an insulation test connection line of a tapping board according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of another insulation test connection line for a tapping board according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment provides a test device of an integrated harvester, referring to fig. 1, the test device of the integrated harvester includes: a mold-in board test module 11, a board-in test module 12, a board-out test module 13, an insulation interface board test module 14, a mold-in board test connection line 15, a board-in board test connection line 16, a board-out board test connection line 17, and an insulation interface board test connection line 18.
And both ends of each test connecting line of the test equipment of the comprehensive acquisition machine are multi-interface connectors which are used for connecting corresponding test modules and corresponding board cards. Specifically, the mold-in board test module 11 is connected with an external interface of a mold-in board 21 of the comprehensive acquisition machine through a mold-in board test connecting wire 15; the module-in board testing module 11 is connected to a dc power supply, and inputs a dc voltage signal to each acquisition channel of the module-in board 21, so as to test whether the acquisition function of each acquisition channel of the module-in board 21 is abnormal and whether the acquisition precision meets the requirement.
The open board testing module 12 is connected with an external interface of an open board 22 of the comprehensive collector through an open board testing connecting line 16; the opening board testing module 12 is connected to a dc power supply, and inputs a dc voltage signal to each acquisition channel of the opening board 22, so as to test whether the acquisition function of each acquisition channel of the opening board 22 is abnormal. When the acquisition function of the corresponding acquisition channel is normal, if a signal is acquired, the corresponding indicator lamp on the opening plate 22 is lighted, and meanwhile, the opening plate 22 CAN also transmit the acquired signal to the CPU through the CAN bus.
The outgoing board testing module 13 is connected with an external interface of an outgoing board 23 of the comprehensive acquisition machine through an outgoing board testing connecting line 17; the outgoing board test module 13 is connected to a dc power supply. The corresponding branch of the outgoing board testing module 13, after receiving the corresponding switching value signal output by the outgoing board 23, may execute a corresponding action, for example, turn on an indicator light, to prompt a tester whether the corresponding function of the outgoing board 23 is normal.
The insulation interface board test module 14 is connected with an external interface of an insulation interface board 24 of the comprehensive collector through an insulation interface board test connecting line 18. The insulation interface board testing module 14 transmits the collected standard resistance value to each collection channel of the insulation interface board 24, and further tests whether the collection function of each collection channel of the insulation interface board 24 is abnormal. The insulation interface board 24 will upload the collected resistance value to the CPU. CPU will upload to the industrial computer, and the industrial computer passes through display module and shows this data.
The board card of the comprehensive acquisition machine comprises a plurality of interfaces to support input or output of multi-path data. The test module is connected with the corresponding board card of the comprehensive acquisition machine through the test connecting line with the multi-interface connectors at two ends, and each path of interface of the board card can be tested only by connecting once, so that the test efficiency is improved.
An external interface of a board card of a comprehensive acquisition machine is in the form of a rectangular connector, and a multi-interface connector at one end of a corresponding test connecting line is also in the form of a rectangular connector, as shown in fig. 2. It can be understood that when the interface of the rectangular connector of the board card is a socket interface, the interface of the rectangular connector corresponding to the test connection line is a plug interface to be connected with the rectangular connector of the board card. The interface of the test module, which is connected to the corresponding multi-interface connector of the test connection line, may be in any form, for example, a rectangular connector or a circular connector, as long as it is in the same form as the interface of the corresponding multi-interface connector of the test connection line.
In one embodiment, the molded-in board test module 11, as shown in FIG. 3, includes: a first direct voltage input 111 and a first voltage signal multi-interface connector 112. The first direct-current voltage input end 111 is used for accessing direct-current voltage; each interface input terminal of the first voltage signal multi-interface connector 112 is connected with a first direct current voltage input terminal 111; the interface output of the first voltage signal multi-interface connector 112 is for connecting to a multi-interface connector of the molded-in board test connection 15. The first dc voltage input end 111 may be in the form of a terminal, and is externally connected with a 2.5V dc voltage signal, and the dc voltage signal is transmitted to the die-in board 21 through the die-in board test connection line 15, so as to provide an analog signal for the die-in board 21. The analog board 21 performs analog-to-digital conversion after acquiring the analog quantity signal, and transmits a digital signal obtained by the conversion to the CPU.
In one embodiment, the access board test module 12, as shown in FIG. 4, includes: a second dc voltage input 121, a second voltage signal multi-interface connector 122, and a plurality of switches K. The second dc voltage input end 121 is used for receiving a dc voltage; the interface output end of the second voltage signal multi-interface connector 122 is used for connecting one multi-interface connector of the access board test connecting line 16; a switch K is connected between each interface input terminal of the second voltage signal multi-interface connector 122 and the second dc voltage input terminal 121. The switch K corresponds to each interface input terminal of the second voltage signal multi-interface connector 122. The second dc voltage input end 121 may be specifically in the form of a terminal, and is externally connected with a 24V dc voltage signal, and is switched and controlled by the switch K, and is transmitted to the corresponding acquisition channel of the opening board 22 through the opening board test connection line 16, and the opening board 21 acquires the switching value signal and then uploads the switching value signal to the CPU.
In one embodiment, board test module 13, as shown in FIG. 5, includes a third DC voltage input 131, a third voltage signal multi-interface connector 132, and a plurality of test branches. The third dc voltage input terminal 131 is connected to a dc voltage. The interface output of the third voltage signal multi-interface connector 132 is for connection to a multi-interface connector of the board test connection 17. A test branch is connected between each interface input end of the third voltage signal multi-interface connector 132 and the third direct-current voltage input end 131; the test branches correspond to each interface input end of the third voltage signal multi-interface connector 132 one by one; each test branch comprises a resistor R and an indicator light L connected in series. The third dc voltage input 131 may be in the form of a terminal, and is externally connected with a positive dc voltage signal + 24V; after receiving the insulation test instruction issued by the CPU, the tapping board 23 outputs negative dc voltage signals-24V corresponding to the number of channels, and the tapping board test module 13 determines whether the output voltage of the corresponding channel of the tapping board 23 is normal according to the state of the indicator light L corresponding to the test branch, thereby determining whether the function of the corresponding channel of the tapping board 23 is normal.
In order to test more accurately whether the output signals of the corresponding channels of the board 23 meet the standard, in one embodiment, two test ports are led out from two ends of the resistor R and the indicator light L which are connected in series, as shown in fig. 6. The test port may specifically be a test well. The tester can use a multimeter or a voltmeter to measure the output voltage of the corresponding channel at the test hole, so as to judge whether the output signal of the corresponding channel of the disconnection plate 23 is normal or not and whether the voltage meets the standard or not.
In a specific embodiment, the insulation interface board test module 14, as shown in fig. 7, includes an insulation test table 141, a resistance signal multi-interface connector 142, and a standard resistor Rb. A power supply interface of the insulation test meter 141 is connected with 220V alternating current; the test end of the insulation test meter 141 is connected with a standard resistor Rb; the interface output end of the resistance signal multi-interface connector 142 is used for connecting a multi-interface connector of the insulation interface board test connecting line 18; each interface input end of the resistance signal multi-interface connector 142 is connected with an output end of the insulation test meter 141. The insulation test meter 141 transmits the test value of the standard resistor Rb to the acquisition channel of the insulation interface board 24 through the insulation interface board test connection line 18, the insulation interface board 24 performs analog-to-digital conversion on the received data and then sends the data to the CUP, and the CPU uploads the data to the industrial personal computer.
In one embodiment, the test operation interfaces of all test modules of the test equipment of the comprehensive acquisition machine are positioned on the same surface of the shell of the test equipment. Referring to fig. 8, the test operation interfaces of the mold-in board test module 11, the opening board test module 12, the opening board test module 13 and the insulation interface board test module 14 are all located on the same surface of the housing. The 48 switches under the number 1-48 of the access board testing module 12 correspond to 48 paths of data acquisition of the access board 22 respectively, the switches are switched on, 24V direct current voltage signals are input to corresponding acquisition channels of the access board 22, and on-site switching value acquisition is simulated; the signal input of different acquisition channels of the switch-in board 22 can be realized by controlling different switches, the operation interface is simple and clear, and the test efficiency is improved.
The 40 indicating lamps and the testing holes under the numbers 1-40 of the outgoing board testing module 13 respectively correspond to the 40 signal channels of the outgoing board 23, and whether the corresponding signal channel output of the outgoing board 23 is normal can be visually identified through the indicating lamps; the output voltage tests of different signal channels can be realized through the test holes; each test hole marks the positive and negative poles of the voltage, and a good operation interface is provided for testing.
The insulation and voltage resistance test is performed on the opening plate 22 through the opening plate insulation test connection line and the voltage resistance test equipment. The access panel insulation test connection line includes a multi-interface connector for connecting the access panel 22, and a wire sequentially connecting all interfaces of the multi-interface connector, the wire being also used for connecting a test line of a withstand voltage test device. In one embodiment, the multi-interface connector opened into the board insulation test connection line is a rectangular connector shown in fig. 9, and a wire is looped around each interface input end and led out of the test end; the test end can be welded with a jointing clamp, and a test wire of the withstand voltage test equipment can be connected conveniently through the jointing clamp. The jointing clamp can be an alligator clamp. When the voltage withstand test is to be performed on the opening plate 22, the output terminal of the multi-interface connector is connected to the external interface of the opening plate 22.
In one embodiment, the wire is also housed on the side of the rectangular connector where it is connected, see fig. 10, by welding an alligator clip (not shown) after the wire has passed out through a prepared hole in the housing 31. The pressure test equipment can be a CS2672C type pressure tester for testing the leakage current of the floor drain by cables.
And carrying out insulation and voltage resistance test on the opening plate 23 through an opening plate insulation test connecting wire and voltage resistance test equipment. The insulation test connecting line of the tapping board comprises a multi-interface connector used for being connected with the tapping board 23, a first lead sequentially connected with one part of interfaces of the multi-interface connector used for being connected with the tapping board, and a second lead sequentially connected with the other part of interfaces of the multi-interface connector used for being connected with the tapping board; the second lead and the first lead are also used for connecting a test line of the withstand voltage test equipment. In one embodiment, the multi-interface connector opened with the board insulation test connection line is a rectangular connector shown in fig. 11, the first wire is connected with a part of the interface input end in a loop mode, and the test end is led out; the first lead is connected with the input end of the other part of the interface in a surrounding manner, and a test end is led out; the test ends of the two leads can be welded with the jointing clamp, and the jointing clamp is convenient for connecting with a test wire of the withstand voltage test equipment. The jointing clamp can be an alligator clamp. When the voltage withstand test is to be performed on the opening plate 23, the output terminal of the multi-interface connector is connected to the external interface of the opening plate 23.
In one embodiment, the first and second wires are also housed on the side of the rectangular connector where they are connected, see fig. 12, by welding alligator clips (not shown) after they have been passed through the preformed holes in the housing 32.
And corresponding cables or flame-retardant wires are adopted in the design of the test connecting wires according to the test path number of the board cards. For different test connecting lines, the different test connecting lines can be distinguished by sticking corresponding marks. The flame-retardant wire is a single wire.
In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in a device that comprises the element.
In the present specification, the emphasis points of the embodiments are different from those of the other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description of the disclosed embodiments of the invention enables one skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A test equipment of a comprehensive collector is characterized by comprising: the test module of at least one board card of the comprehensive acquisition machine and the corresponding test connecting line;
and both ends of each test connecting line are multi-interface connectors for connecting corresponding test modules and corresponding board cards.
2. The test equipment of the integrated harvester of claim 1, wherein the test module of the at least one board card comprises:
at least one of a mold-in board test module, an opening board test module and an insulation interface board test module;
and the test operation interfaces of all the test modules are positioned on the same surface of the shell of the test equipment.
3. The test equipment of the integrated harvester of claim 1, wherein the test module comprises a die-in board test module and the test connection comprises a die-in board test connection;
the molded-in board test module includes:
a first direct current voltage input end for accessing direct current voltage; and the combination of (a) and (b),
a first voltage signal multi-interface connector having each interface input connected to the first direct current voltage input;
and the interface output end of the first voltage signal multi-interface connector is used for connecting a multi-interface connector of the test connecting line of the mould-in board.
4. The test equipment of the integrated harvester of claim 1, wherein the test module comprises an open board test module and the test connections comprise open board test connections;
the opening board test module includes:
the second direct-current voltage input end is used for accessing direct-current voltage;
the interface output end is used for connecting a second voltage signal multi-interface connector of one multi-interface connector of the test connecting line of the access board; and the number of the first and second groups,
and the switch is connected between the second direct-current voltage input end and each interface input end of the second voltage signal multi-interface connector, and the switch corresponds to each interface input end of the second voltage signal multi-interface connector one to one.
5. The test equipment of the integrated harvester of claim 1, wherein the test module comprises an open board test module and the test connection comprises an open board test connection;
the board test module of opening includes:
a third direct-current voltage input end for accessing direct-current voltage;
the interface output end is used for connecting a third voltage signal multi-interface connector of one multi-interface connector of the outgoing board test connecting line; and the number of the first and second groups,
a test branch connected between the third dc voltage input terminal and each interface input terminal of the third voltage signal multi-interface connector, the test branch corresponding to each interface input terminal of the third voltage signal multi-interface connector one-to-one;
the test branch comprises a resistor and an indicator light which are connected in series.
6. The test equipment of the integrated harvester of claim 5, wherein the test branch further comprises:
and two test ports led out from two ends of the resistor and the indicator lamp which are connected in series.
7. The test equipment of the integrated harvester of claim 1, wherein the test module comprises an insulated interface board test module, and the test connection line comprises an insulated interface board test connection line;
the insulation interface board test module comprises:
an insulation test meter;
the standard resistor is connected with the testing end of the insulation testing meter; and the number of the first and second groups,
the interface output end is used for connecting a resistance signal multi-interface connector of one multi-interface connector of the test connecting line of the insulation interface board;
and the output end of the insulation test meter is connected with each interface input end of the resistance signal multi-interface connector.
8. The test apparatus of the integrated harvester of claim 1, further comprising: opening a board insulation test connecting line and a voltage withstanding test device;
the board insulation test connecting wire of opening includes: the multi-interface connector is used for connecting the opening board, and the leads are sequentially connected with all interfaces of the multi-interface connector used for connecting the opening board;
the lead is also used for connecting a test line of the withstand voltage test equipment.
9. The test apparatus of the integrated harvester of claim 1, further comprising: opening a board insulation test connecting line and a voltage withstanding test device;
it includes to open insulating test connecting wire of board: the multi-interface connector is used for being connected with the opening board, the first conducting wire is sequentially connected with one part of interfaces of the multi-interface connector used for being connected with the opening board, and the second conducting wire is sequentially connected with the other part of interfaces of the multi-interface connector used for being connected with the opening board;
the second lead and the first lead are also used for connecting a test wire of the withstand voltage test equipment.
10. The test device of the integrated harvester of claim 1, wherein the multi-interface connector is: a rectangular connector.
Priority Applications (1)
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|---|---|---|---|
| CN201922218024.5U CN211348539U (en) | 2019-12-11 | 2019-12-11 | Test equipment of comprehensive acquisition machine |
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| CN201922218024.5U CN211348539U (en) | 2019-12-11 | 2019-12-11 | Test equipment of comprehensive acquisition machine |
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| CN211348539U true CN211348539U (en) | 2020-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484735A (en) * | 2021-07-30 | 2021-10-08 | 锐石创芯（深圳）科技有限公司 | Chip test gating module and chip test system |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484735A (en) * | 2021-07-30 | 2021-10-08 | 锐石创芯（深圳）科技有限公司 | Chip test gating module and chip test system |
| CN113484735B (en) * | 2021-07-30 | 2022-11-08 | 锐石创芯(深圳)科技股份有限公司 | Chip test gating module and chip test system |
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