CN208833886U - Electric tool switch test device and system - Google Patents
Electric tool switch test device and system Download PDFInfo
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- CN208833886U CN208833886U CN201821246695.1U CN201821246695U CN208833886U CN 208833886 U CN208833886 U CN 208833886U CN 201821246695 U CN201821246695 U CN 201821246695U CN 208833886 U CN208833886 U CN 208833886U
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Abstract
It includes host computer, circuit main board, programmable power supply, test fixture and interface module that the utility model, which provides a kind of electric tool switch test device and system, the device,；There are many test programs for load on host computer；Circuit main board includes control panel, variable connector component, multiple function detection modules；Test suite and the fixed structure for fixing tested module UUT are provided on test fixture, test suite passes sequentially through interface module, variable connector component is connected with corresponding function detection module；Host computer is connect with control panel, programmable power supply；Programmable power supply is UUT power supply；Function detection module passes sequentially through variable connector component, interface module and UUT connection.Which improves the versatility and flexibility of electric tool switch test device, and cost of the user in terms of designing with maintenance test board is effectively reduced, shortens the development cycle, significantly provides the testing efficiency of product, meets the growth requirement more than client's amount sample.
Description
Technical field
The utility model relates to electric tool the field of test technology, more particularly, to a kind of electric tool switch test device
And system.
Background technique
Electric tool, using motor as the tool of power, is to drive work head to carry out operation by transmission mechanism as a kind of
Hand-held or moveable mechanized tool, it has the features such as easy to carry, easy to operate and safe and reliable.Electric tool is wide
It is general to be applied to every field, and the safety of the switch of electric tool in use is particularly important, so would generally be to electricity
Power driven tools switch carries out the test of indices, such as voltage, electric current, displacement and drive control most small step test index.
The switch finished product of existing electric tool, semi-finished product test macro, usually according to the concrete function list for being tested test plate (panel)
The system solely designed, production division carries out production line operation, when assembling test, every a type of electronic product of production, even if
Function is similar to be also required to that supplier designs are a or a plurality of tester tables.Such situation causes user designing and safeguarding survey
Cost in terms of commissioning stage is excessively high, while the period of extended exploitation, has been difficult to meet current client and has measured development more than sample
Demand.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of electric tool switch test device and systems, with right
The electric tool switch of different function is detected, and improves the versatility and flexibility of electric tool switch test device, has
Effect reduces cost of the user in terms of designing with maintenance test board, shortens the development cycle, significantly provides the test effect of product
Rate meets the growth requirement more than client's amount sample.
In a first aspect, the utility model embodiment provides a kind of electric tool switch test device, including upper mechanical, electrical
Road mainboard, programmable power supply, test fixture and interface module；
There are many test programs for load on the host computer；The circuit main board includes control panel, and with the control panel
The variable connector component that is separately connected, multiple function detection modules；Test suite is provided on the test fixture and for solid
Determine the fixed structure of tested module UUT, the test suite pass sequentially through the interface module, the variable connector component with
Corresponding function detection module connection；
The host computer is connect with control panel, programmable power supply；The programmable power supply is connect with the UUT；The function inspection
Module passes sequentially through the variable connector component, the interface module is connect with the UUT for survey.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the variable connector component includes matrix switch and relay module；
The function detection module passes sequentially through the matrix switch, the interface module is connect with the UUT；Or institute
State that function detection module passes sequentially through the relay module, the interface module is connect with the UUT.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein the test fixture further includes conversion terminal row, the electric tool switch test device
It further include contactor mould group；The relay module connects the contactor mould group by the interface module, described in control
The on-off of contactor mould group；
The programmable power supply passes sequentially through the contactor mould group, conversion terminal row connect with the UUT, for institute
It states UUT and working power is provided.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, the interface module includes the preceding pinboard that the circuit main board is arranged in and the rear switching that the test fixture is arranged in
Plate, the preceding pinboard are connect with the rear pinboard by winding displacement.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, the control panel includes master board and relay control panel, and the master board is connect with the relay control panel, institute
It states relay control panel and is also connected with the relay module.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, self-checking circuit is provided on the test fixture, the self-checking circuit passes sequentially through the interface module, the variable connector
Component is connect with each function detection module, and the self-checking circuit also passes through the interface module and connect with the control panel.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, the test suite includes electric machine assembly, displacement sensor mould group, pressure sensor mould group.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, the function detection module includes voltage detection module, resistance detection module, current detection module, displacement detection module, pressure
Power detection module, LED light detection module, motor control module, digital input module, signal source output module and fictitious load
Circuit.
With reference to first aspect and its any possible embodiment, the utility model embodiment provide first aspect
8th kind of possible embodiment, wherein further include monitoring touch screen, the monitoring touch screen is connect with the control panel.
Second aspect, the utility model embodiment also provide a kind of electric tool switch test macro, including printer, aobvious
Show equipment and the electric tool switch test device as described in first aspect and its any possible embodiment；
The printer is connect with the host computer with the display equipment.
The utility model embodiment bring it is following the utility model has the advantages that
In the utility model embodiment, which includes host computer, circuit main board, program-controlled electric
Source, test fixture and interface module；There are many test programs for load on host computer；Circuit main board includes control panel, and with control
Variable connector component that plate is separately connected, multiple function detection modules；Test suite is provided on test fixture and for fixing
The fixed structure of tested module UUT, test suite pass sequentially through interface module, variable connector component and corresponding Function detection
Module connection；Host computer is connect with control panel, programmable power supply；Programmable power supply is connect with UUT；Function detection module passes sequentially through more
Way switch component, interface module and UUT connection.Which provides its needs by PC control programmable power supply for different UUT
Power supply, variable connector component can be controlled by host computer and form multi-channel test channel, UUT passes through interface module and TCH test channel
Connection, final realization carry out the UUT on test fixture by TCH test channel by the multiple function detection modules of PC control single
Solely connects and test.Therefore the technical program can detect the electric tool switch of different function, improve electronic work
Have the versatility and flexibility of switch test device, cost of the user in terms of designing with maintenance test board, contracting is effectively reduced
The short development cycle significantly provides the testing efficiency of product, meets the growth requirement more than client's amount sample.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of electric tool switch test device provided by the embodiment of the utility model；
Fig. 2 is another structural schematic diagram of electric tool switch test device provided by the embodiment of the utility model；
Fig. 3 is another structural schematic diagram of electric tool switch test device provided by the embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of electric tool switch test macro provided by the embodiment of the utility model.
Icon:
100- host computer；200- circuit main board；210- control panel；211- master board；212- is from control panel；213- relay
Device control panel；220- variable connector component；221- matrix switch；222- relay module；230- function detection module；300- journey
Control power supply；310- contactor mould group；400- test fixture；410- test suite；420- conversion terminal row；430- self-checking circuit；
500- interface module；Pinboard before 510-；Pinboard after 520-；600- monitors touch screen；700- shows equipment；800- printing
Machine.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
Production division carries out production line operation at present, when assembling test, every a type of electronic product of production, even if function
It similar can be also required to that supplier designs are a or a plurality of tester tables.Such situation, causes user in design and maintenance test
Cost in terms of board is excessively high, while the period of extended exploitation, has been difficult to meet current client and has measured development need more than sample
It asks.Based on this, a kind of electric tool switch test device and system provided by the embodiment of the utility model can be to different function
Electric tool switch detected, provide the versatility and flexibility of electric tool switch test device, use be effectively reduced
Cost of the family in terms of designing with maintenance test board, shortens the development cycle, significantly provides the testing efficiency of product, meets visitor
Measure the growth requirement more than sample in family.
To be opened a kind of electric tool disclosed in the utility model embodiment first convenient for understanding the present embodiment
Test device method is closed to describe in detail.
Fig. 1 shows a kind of structural schematic diagram of electric tool switch test device provided by the embodiment of the utility model.
As shown in Figure 1, the electric tool switch test device includes host computer 100, circuit main board 200, programmable power supply 300, test clip
Tool 400 and interface module 500.
There are many test programs for load on host computer, and circuit main board includes control panel 210, and be separately connected with control panel
Variable connector component 220, multiple function detection modules 230；Test suite 410 is provided on test fixture and for fixed tested
The fixed structure of die trial block UUT (unit under test, tested module), test suite pass sequentially through interface module, multichannel
Switch block is connected with corresponding function detection module；Host computer is connect with control panel, programmable power supply；Programmable power supply and UUT connect
It connects；Function detection module passes sequentially through variable connector component, interface module and UUT connection.
In a possible embodiment, host computer passes through serial communication interface COM (cluster communication
Port, COM) it is connect with programmable power supply and control panel.Specifically, above-mentioned host computer is PC (personal
Computer, personal computer) host, PC host and programmable power supply and control panel pass through RS232 communication connection.Control panel and each
A function detection module is by RS285 connection, which can also increase expansion interface according to RS285 rule, to extend function
It can detection module.In a possible embodiment, above-mentioned PC host can also save test data, traced and be analyzed, band
There are multi-path serial communication interface and USB (Universal Serial Bus, universal serial bus) interface.
In a possible embodiment, above-mentioned control panel can select ARM STM32F103ZET6 chip, which includes 1
24, road AD acquisition chip, 1 12, tunnel AD acquisition chip.16 × 16 groups of signal groups can be formed additionally by variable connector component
Close measurement.
In a possible embodiment, function detection module includes voltage detection module, resistance detection module, current detecting mould
Block, displacement detection module, pressure detecting module, LED light detection module, motor control module, digital input module, signal source are defeated
Module and analogue load circuit out.The function detection module can provide multichannel 0 to the adjustable voltage of 24V and frequency for UUT
It is 0 to 100KHz adjustable square-wave signal as test signal.By integrating each function detection module, facilitate to difference
The exploitation of UUT is debugged.
Specifically, host computer passes through a variety of test programs of load, and is able to achieve the quadratic programming to control panel.It is upper upper
Machine realizes the detection to UUT fixed on test fixture by control and debug circuit mainboard.Host computer sends regulation detection letter
Number to control panel, so that control panel controls the switch in corresponding variable connector component and opens or closure.Corresponding function inspection
It surveys module and UUT is connected to by the TCH test channel that the switch and interface module that are closed are formed, to send corresponding test signal extremely
UUT, and the feedback signal of UUT is transmitted to corresponding function detection module by TCH test channel and is detected, it is obtained by control panel
Test data after taking function detection module to detect, and it is back to host computer.
In a possible embodiment, above-mentioned test suite includes electric machine assembly, displacement sensor mould group, pressure sensor mould
Group.Specifically, which includes servo motor.Electric machine assembly simulation Manual press electric tool switch, displacement sensor,
Pressure sensor mould group and cylinder sensor are used to incude the displacement of the generation of the electric tool switch, pressure.The test suite
It can also include cylinder sensor module, the cylinder moving in UUT is detected.The UUT that test suite will test
Detection signal be transmitted to function detection module by interface module and variable connector component and detected.
In the technical solution that present embodiment provides, providing it by PC control programmable power supply for different UUT is needed
The power supply wanted can control variable connector component by host computer and form multi-channel test channel, and UUT is logical by interface module and test
Road connection, final realize carry out the UUT on test fixture by TCH test channel by the multiple function detection modules of PC control
Individually connects and test.Therefore the technical program can detect the electric tool switch of different function, improve electronic
Cost of the user in terms of designing with maintenance test board is effectively reduced in the versatility and flexibility of tool switch test device,
Shorten the development cycle, the testing efficiency of product is significantly provided, meets the growth requirement more than client's amount sample.
Referring to figs. 2 and 3, it is contemplated that the electric current of each functional module, voltage requirements, above-mentioned variable connector component includes square
Battle array switch 221 and relay module 222.For the function detection module of high current or low-voltage, pass sequentially through matrix switch,
Interface module is connect with UUT.Relay module, interface module are passed sequentially through for the function detection module of low current, small voltage
It is connect with UUT.Specifically, realize that logic control switching, the configuration for testing signal are more flexible by matrix switch；Wherein relay
Device module can be 32 road two keys relay.
In a possible embodiment, above-mentioned interface module includes that the preceding pinboard 510 that circuit main board is arranged in and setting exist
The rear pinboard 520 of test fixture, preceding pinboard are connect with the rear pinboard by winding displacement.In a possible embodiment, preceding
Pinboard and rear pinboard include the connector of 64 pins.Pinboard is universal adapter plate, including standard connection after wherein
Device.It is classified according to functions by each output pin of standard connector, the external interface as connection UUT.This is outer
Portion's interface is defined as standard interface, it is subsequent during the test, user passes through standard interface and its corresponding definition explanation
Connect corresponding UUT.In this way, the standardization of external interface reduces wiring, maintain easily.
In a possible embodiment, above-mentioned test fixture further includes conversion terminal row 420, electric tool switch test device
It further include contactor mould group 310；Relay module connects the contactor mould group by interface module, with control contactor mould group
On-off.Programmable power supply passes sequentially through contactor mould group, conversion terminal row connect with UUT, to provide working power for UUT.Also
It is that control panel can be by the on-off of relay come control contactor mould group, to provide multichannel different voltage and currents for UUT
As working power.
In a possible embodiment, for the ease of the management to modules, above-mentioned control panel includes three sub- control panels,
Respectively master board 211, from control panel 212 and relay control panel 213, master board respectively with relay control panel, from
Control panel connection, relay control panel is also connected with relay module, therefore host computer can directly be controlled by relay control panel
Relay module processed.STM32 single-chip microcontroller can be used from control panel 212 and relay control panel 213 in above-mentioned master board 211.
In a possible embodiment, above-mentioned master board 211 is for connection matrix switch and dedicated Function detection mould
Block, such as voltage detection module, resistance detection module, current detection module, displacement detection module, pressure detecting module motor control
Module, digital input module；The Function detection circuit of connection universal is used for from control panel 212, such as LED light detection module, signal
Source output module and analogue load circuit, consequently facilitating the management to each function detection module, such as extension or deletion.
Specifically, master board 211, between control panel 212 and relay control panel 213 data are carried out by RS232
Exchange, each sub- control panel includes RS285 communication module, to realize the communication with external instrument or equipment.
In possible embodiment, self-checking circuit 430 is provided on above-mentioned test fixture, which passes sequentially through
Interface module, variable connector component are connect with each function detection module, and self-checking circuit also passes through interface module and control panel connects
It connects.Wherein the self-checking circuit can be detachably arranged on test fixture in the form of self-test box body, for examining to each function
It surveys module and carries out self-test.Specifically, voltage or test signal are provided to self-checking circuit, so by interface module by control panel
The self-test channel that self-checking circuit is formed by variable connector component and interface module afterwards is cut the self-test signal of feedback corresponding
Function detection circuit has control panel to obtain test data and the analysis of Function detection circuit, to realize each Function detection mould
The self-test of block.Wherein the self-checking circuit can select selftest module in the prior art.
In a possible embodiment, for the ease of the control of user, above-mentioned electric tool switch test device further includes prison
Touch screen 600 is controlled, which connect with control panel.In a possible embodiment, monitoring touch screen passes through RS485 and control
Making sheet connection, controls so as to comprehensive each input/output port to control panel, to control each function
Detection module and variable connector component.In a possible embodiment, foregoing circuit mainboard is encapsulated in control cabinet, which touches
Screen is detachably connected with control cabinet.
Specifically, the processing module in the monitoring touch screen is loaded with test program, and user is shown by monitoring touch screen
Interface carry out function selection, can to different function detection modules carry out self-test, such as detect corresponding function detection module circuit
On-off, voltage and resistance etc., the test to the corresponding function of UUT can also be selected by interface.Therefore which can be real
Easily debug the self-test of product and function detection module in current family.
Fig. 4 shows a kind of structural schematic diagram of electric tool switch test macro provided by the embodiment of the utility model.
As shown in figure 4, the power driven tools switch test system includes that printer 800, display equipment 700 and above-mentioned electric tool switch are surveyed
Trial assembly is set.The printer is connect with host computer with display equipment.Printer and host computer pass through com interface or USB interface
Connection, display equipment are connect with host computer by com interface.
Specifically, printer can be used for printing the test data that host computer is obtained from master control borad, and display equipment can be with
Show the test data.
Electric tool switch test device in system provided in this embodiment is difference by PC control programmable power supply
UUT the power supply of its needs is provided, variable connector component can be controlled by host computer and forms multi-channel test channel, UUT, which passes through, to be connect
Mouth component is connect with TCH test channel, final to realize by the multiple function detection modules of PC control through TCH test channel to test clip
UUT on tool is individually connected and is tested.Therefore the technical program can examine the electric tool switch of different function
It surveys, improves the versatility and flexibility of electric tool switch test device, user is effectively reduced in design and maintenance test machine
Cost in terms of platform shortens the development cycle, significantly provides the testing efficiency of product, meets the development need more than client's amount sample
It asks.
Electric tool switch test macro provided by the embodiment of the utility model, with electric tool provided by the above embodiment
Switch test device technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the utility model substantially or
Person says that the part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
Personal computer, server or the network equipment etc.) execute each embodiment the method for the utility model whole or portion
Step by step.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with
Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of electric tool switch test device, which is characterized in that including host computer, circuit main board, programmable power supply, test clip
Tool and interface module；
There are many test programs for load on the host computer；The circuit main board includes control panel, and is distinguished with the control panel
The variable connector component of connection, multiple function detection modules；Test suite is provided on the test fixture and for fixing quilt
The fixed structure of test module UUT, the test suite pass sequentially through the interface module, the variable connector component and corresponding
Function detection module connection；
The host computer is connect with control panel, programmable power supply；The programmable power supply is connect with the UUT；The Function detection mould
Block passes sequentially through the variable connector component, the interface module is connect with the UUT.
2. electric tool switch test device according to claim 1, which is characterized in that the variable connector component includes
Matrix switch and relay module；
The function detection module passes sequentially through the matrix switch, the interface module is connect with the UUT；Or the function
Detection module passes sequentially through the relay module to energy, the interface module is connect with the UUT.
3. electric tool switch test device according to claim 2, which is characterized in that the test fixture further includes turning
Connecting terminal row, the electric tool switch test device further includes contactor mould group；The relay module passes through the interface
Component connects the contactor mould group, to control the on-off of the contactor mould group；
The programmable power supply passes sequentially through the contactor mould group, conversion terminal row connect with the UUT, to be described
UUT provides working power.
4. electric tool switch test device according to claim 1, which is characterized in that the interface module includes setting
The circuit main board preceding pinboard and the rear pinboard of the test fixture is set, the preceding pinboard and it is described after turn
Fishplate bar is connected by winding displacement.
5. electric tool switch test device according to claim 2, which is characterized in that the control panel includes main control
Plate and relay control panel, the master board are connect with the relay control panel, and the relay control panel is also connected with institute
State relay module.
6. electric tool switch test device according to claim 1, which is characterized in that be provided on the test fixture
Self-checking circuit, the self-checking circuit pass sequentially through the interface module, the variable connector component and each function detection module
Connection, the self-checking circuit also pass through the interface module and connect with the control panel.
7. electric tool switch test device according to claim 1, which is characterized in that the test suite includes motor
Component, displacement sensor mould group, pressure sensor mould group.
8. electric tool switch test device according to claim 1, which is characterized in that the function detection module includes
Voltage detection module, resistance detection module, current detection module, displacement detection module, pressure detecting module, LED light detect mould
Block, motor control module, digital input module, signal source output module and analogue load circuit.
9. electric tool switch test device according to claim 1-8, which is characterized in that further include monitoring touching
Screen is touched, the monitoring touch screen is connect with the control panel.
10. a kind of electric tool switch test macro, which is characterized in that including printer, display equipment and as claim 1 to
9 described in any item electric tool switch test devices；
The printer is connect with the host computer with the display equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246695.1U CN208833886U (en) | 2018-08-03 | 2018-08-03 | Electric tool switch test device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246695.1U CN208833886U (en) | 2018-08-03 | 2018-08-03 | Electric tool switch test device and system |
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| Publication Number | Publication Date |
|---|---|
| CN208833886U true CN208833886U (en) | 2019-05-07 |
Family
ID=66308249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821246695.1U Active CN208833886U (en) | 2018-08-03 | 2018-08-03 | Electric tool switch test device and system |
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| CN (1) | CN208833886U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761328A (en) * | 2018-08-03 | 2018-11-06 | 德丰电创科技股份有限公司 | Electric tool switch test device and system |
| CN110514925A (en) * | 2019-08-13 | 2019-11-29 | Oppo（重庆）智能科技有限公司 | Test method and system and storage medium |
| CN113703388A (en) * | 2021-09-07 | 2021-11-26 | 广州电力机车有限公司 | Multifunctional locomotive test box |
-
2018
- 2018-08-03 CN CN201821246695.1U patent/CN208833886U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761328A (en) * | 2018-08-03 | 2018-11-06 | 德丰电创科技股份有限公司 | Electric tool switch test device and system |
| CN110514925A (en) * | 2019-08-13 | 2019-11-29 | Oppo（重庆）智能科技有限公司 | Test method and system and storage medium |
| CN113703388A (en) * | 2021-09-07 | 2021-11-26 | 广州电力机车有限公司 | Multifunctional locomotive test box |
| CN113703388B (en) * | 2021-09-07 | 2023-08-22 | 广州电力机车有限公司 | Multifunctional locomotive test box |
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