CN109856430A - A kind of multi-functional charging pile test fixture - Google Patents
A kind of multi-functional charging pile test fixture Download PDFInfo
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- CN109856430A CN109856430A CN201811624426.9A CN201811624426A CN109856430A CN 109856430 A CN109856430 A CN 109856430A CN 201811624426 A CN201811624426 A CN 201811624426A CN 109856430 A CN109856430 A CN 109856430A
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- cover board
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Abstract
The present invention relates to a kind of multi-functional charging pile test fixtures, it is characterised in that: including jig bracket, pressing device, pressing cover board, client support plate and jig base；The connecting plate on two pieces of side plate tops of side plate and connection that the jig bracket is uprightly placed in parallel in jig base by two pieces is constituted；The client support plate is placed in jig base by fixed column, and is placed between two blocks of side plates；The pressing cover board is placed in above client support plate, and is pressed cover board and connect by two fixed links with two blocks of side plates；The pressing device top is fixed in the middle part of connecting plate by connector, is additionally provided with the first sliding sleeve on the connector；Voltage display unit is also equipped in the jig base, the voltage display unit is placed in beside jig bracket.Testing efficiency can be effectively improved using jig test of the invention and safety is higher.
Description
Technical field
The present invention relates to a kind of test fixtures, and in particular to a kind of multi-functional charging pile test fixture.
Background technique
With the development of green energy resource, electric car, electronic battery truck gradually increases, at the same time, the demand of charging pile
Amount is also gradually increased.In charging pile production process, the burning (write-in) of software exports the test of each port, is required to survey
The manual wiring test of examination personnel's frequent progress, operator's operational motion is excessive and frequent, and there are low efficiency, peaces for such operation
The problems such as property is poor entirely improves testing efficiency, needs a kind of test work convenient for plant produced to solve operator's wiring issue
Fill jig.
Summary of the invention
In view of the above problems, the present invention provides a kind of multi-functional charging pile test fixtures.
In order to solve the above technical problems, the technical solution of the present invention is as follows: providing a kind of multi-functional charging pile test fixture,
Innovative point is: including jig bracket, pressing device, pressing cover board, client support plate and jig base；Jig bracket is by two pieces
The connecting plate on the two pieces of side plate tops of side plate and connection being uprightly placed in parallel in jig base is constituted；Client support plate passes through solid
Fixed column is placed in jig base, and is placed between two blocks of side plates；Pressing cover board is placed in above client support plate, and it is logical to press cover board
Two fixed links are crossed to connect with two blocks of side plates；Pressing device top is fixed in the middle part of connecting plate by connector, the connector
On be additionally provided with the first sliding sleeve；Voltage display unit is also equipped in jig base, voltage display unit is placed in beside jig bracket.
Preferably, pressing device includes lifting column, L shape handle, two C-shaped brackets and pressing pedestal, the lifting column edge
Vertical direction is placed, and lower end is bolted by pressing pedestal and pressing cover board upper surface, and described two C-shaped brackets are symmetrically put
It is placed in above elevating lever, the lower end that the upper end of the lifting column passes through the first sliding sleeve and two C-shaped brackets of connector is hinged, institute
The upper end for stating two C-shaped brackets is hinged in the bending part and L shape handle of L shape handle, on the upper end and connector of the L shape handle
End is hinged.
Preferably, client support plate is equipped with the grooves that several and client mainboard matches, in the client support plate
Portion is additionally provided with several probes, for being connected later with client mainboard plus client mainboard.
Preferably, it presses and is fixedly connected with several inside cover board for contacting the thimble of conducting, institute with client mainboard
It states thimble and passes through pressing cover board bottom；The pressing cover board bottom is additionally provided with several for fixing the pressure bar of mainboard；Pressing lid
Plate is respectively equipped with the second sliding sleeve at rear side both ends, and the second sliding sleeve is inserted into the fixed link lower end, and the side plate is close to fixed link
The equal perpendicular side plate in the position of upper end extends a fixed plate, and the fixed link is connected with bolt of fixing plate, and the pressing cover board can
It slides over by second and is slided in fixed link.
Preferably, voltage display unit includes voltage case, mounting plate, voltage display table and software burning control switch, institute
It states voltage case to be fixedly installed in jig base, the mounting plate is installed on front side of voltage case, and the voltage display table is installed on
On mounting plate, software burning control switch is additionally provided on the mounting plate, the software burning control switch is placed in voltage and shows
Above table, the voltage case is hollow box body, several for connecting client mainboard, voltage display table and software burning for placing
Record the joint connecting wire of control switch.
Preferably, voltage display table is connected at the probe inside client support plate using connecting line, aobvious to detect with this
Show the groundwork voltage of client mainboard.
Preferably, jig base upper surface is also equipped with for the mainboard test switch of control device self-checking and work
Power control switch.
Preferably, jig base is the hollow cavity for arranging the associated wiring of jig component, the jig base
Side is additionally provided with handle slot.
Preferably, wiring construction are as follows: the pin 1,2,3,4 ... ..., 19,20 on the client mainboard in turn switch on after
Electric appliance J1-J10, the relay J1-J10 are sequentially connected diode D1-D10, and the input terminal of the diode D1-D10 connects
Ground, output end pass through a button S1 and connect 12V power supply；Pin 21 and 22 on the client mainboard is respectively turned on test master
The pin 1 and 2 of plate is controlled, the pin 3 and 4 for testing master control borad connects 12V Switching Power Supply；Pin 28 on the client mainboard,
Pin 29 is connected to RXD, TXD and GND that USB turns Transistor-Transistor Logic level platelet, USB with pin 30 by button switch S2, S3 with S4 respectively
VCC, RX, TX and the GND for turning Transistor-Transistor Logic level platelet are connected to computer USB interface.
Preferably, the pin 24 and 25 on client mainboard powers on V1, and pin 26 and 27 powers on V2；Client
Pin 31 and 33 on mainboard is all connected with zero curve, and pin 34 passes through button K1 connection firewire；Pin 35-44 on client mainboard
Pass through resistance R1-R10 connection zero line output N-out respectively.
Beneficial effects of the present invention:
(1) through the invention the combination of test fixture and client mainboard, may make charging pile to be able to carry out automatic test,
It does not need manually frequently to carry out manual wiring test, substantially increases the testing efficiency of charging pile.
(2) present invention after being powered up can directly by each road voltage tester switch and Manual press pressing device come
The test of charging pile is carried out, test mode is relatively easy, and is not directly contacted with test device and wiring, and security performance improves.
(3) in the present invention, same client mainboard model to be measured matches a client support plate, different testing
When client mainboard, it is only necessary to which jig of the invention can be continued to use by replacing client support plate, this makes survey of the invention
Trying jig has preferable versatility.
(4) it after jig of the invention is made, can recycle, it is only necessary to replace some probes for conducting or top
Needle, maintenance cost is lower in use process.
Detailed description of the invention
It, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments recorded in the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of main view of multi-functional charging pile test fixture of the invention.
Fig. 2 is a kind of left view of multi-functional charging pile test fixture of the invention.
Fig. 3 is a kind of jig rack assumption diagram of multi-functional charging pile test fixture of the invention.
Fig. 4 is a kind of pressing device left view of multi-functional charging pile test fixture of the invention.
Fig. 5 is a kind of top view of multi-functional charging pile test fixture of the invention.
Fig. 6 is a kind of top view of the client support plate of multi-functional charging pile test fixture of the invention.
Fig. 7 is the main view that client support plate of the invention adds client mainboard.
Fig. 8 is a kind of wiring schematic diagram of multi-functional charging pile test fixture of the invention.
Fig. 9 is the chip figure that a kind of multi-functional charging pile test fixture of the invention uses.
Specific embodiment
Technical solution of the present invention will be clearly and completely described by specific embodiment below.
A kind of multi-functional charging pile test fixture of the invention, specific structure as shown in Fig. 1, including jig bracket 1,
Pressing device 2, pressing cover board 3, client support plate 4 and jig base 5.
Jig base 5 of the invention is hollow cavity, and hollow cavity is used to arrange the associated wiring of jig component, such as schemes
Shown in 2,5 side of jig base is additionally provided with handle slot 6；The specific structure is shown in FIG. 3 for jig bracket 1, and jig bracket 1 is by two pieces
The connecting plate 8 on two pieces of 7 tops of side plate of side plate 7 and connection being uprightly placed in parallel in jig base is constituted, and jig bracket 1 is main
Effect is to support pressing device 2 and presses cover board 3, coordinates pressing device 2 and client mainboard 9 in test.
2 top of pressing device of the invention is fixed on the middle part of connecting plate 8 by connector 10, and the is additionally provided on connector 10
One sliding sleeve 11, specific structure is as shown in Figure 4.Pressing device 2 includes 13, two lifting column 12, L shape handle 14 and of C-shaped bracket
Pedestal 15 is pressed, lifting column 12 is placed along the vertical direction, and lower end is connected by pressing pedestal 15 and pressing 3 upper surface bolt of cover board
It connects, two C-shaped brackets 14 are symmetrically placed above elevating lever 12, and the upper end of lifting column 12 passes through the first sliding sleeve 11 of connector 10
Hinged with the lower end of two C-shaped brackets 14, the upper end of two C-shaped brackets 14 is cut with scissors in the bending part and L shape handle 13 of L shape handle 13
It connects, the upper end and 10 upper end of connector of L shape handle 13 are hinged, and the connection type of 2 all parts of pressing device is hinged, hinge
Pressing device activity can be made flexibly by connecing, and facilitate control pressing cover board 3 to complete the test of charging pile, and pressing device 2 is by client
The input of mainboard 9 all passes through client support plate 4 with output signal and is connected with external auxiliary connectivity port, and then realizing will be to be measured
Client production, which is powered to starting and synchronize, detects its output voltage signal, rs 232 serial interface signal, band information carrying number etc..
Pressing cover board 3 of the invention is placed in 2 lower section of pressing device, and is connect by a fixed link 16 with jig bracket 1.Pressure
Closing lid plate 3 is respectively equipped with the second sliding sleeve 17 at rear side both ends, and the second sliding sleeve 17 is inserted into 16 lower end of fixed link, and side plate 7 is close to solid
The equal perpendicular side plate 7 in the position of 16 upper end of fixed pole extends a fixed plate 18, and fixed link 17 and fixed plate 18 are bolted, pressing lid
Plate 3 can generate the second sliding sleeve of power utilization 17 by pressing device 2 and slide in fixed link 18.It is solid to press connection inside cover board 3
Surely there are several to pass through pressing 3 bottom of cover board for contacting the thimble 19 of conducting, thimble 19 with client mainboard 9, filled in pressing
It sets and contacts client mainboard 9 under 2 effects downwards, be connected with client mainboard 9 and transmit signal；Pressing 3 bottom of cover board is additionally provided with
Several are used for the pressure bar 20 of fixed clients mainboard 9, which can make 9 uniform force of client mainboard in test, Gu
Determine client mainboard 9；It is transparent for pressing cover board 3.
Client support plate 4 of the invention is placed in jig base 5 by fixed column 21, and is placed between two blocks of side plates 7；Visitor
Family end support plate 4 is equipped with the irregular groove 22 that several and client mainboard 9 matches, specific structure such as Fig. 5 and Fig. 6 institute
Show, several probes 23 are additionally provided with inside client support plate 4, for being connected plus after client mainboard 9 with client mainboard 9
And probe 23 exposes downwards, structure is as shown in Figure 7.
Voltage display unit is also equipped in jig base 5 of the invention, voltage display unit is placed in by jig bracket 1
Side, including voltage case 24, mounting plate 25, voltage show table 26 and software burning control switch 27, and voltage case 24 is fixedly installed in
In jig base 5, mounting plate 25 is installed on 24 front side of voltage case, and voltage display table 26 is installed on mounting plate 25, mounting plate 25
On be additionally provided with software burning control switch 27, software burning control switch 27 is placed in 26 top of voltage display table, and voltage case 24 is
Hollow box body, it is several for connecting connecing for client mainboard 9, voltage display table 26 and software burning control switch 27 for placing
Head connecting line.Voltage display table 26 is connected at the probe 23 inside client support plate 4 using connecting line, is shown with this to detect
The groundwork voltage of client mainboard 9.
5 upper surface of jig base is also equipped with mainboard test switch 28 and working power control switch 29, the master of charging pile
Plate tests the output end of the corresponding each charging pile of number of switch 28, and mainboard tests switch 28 and is used for control device self-checking.
A kind of wiring construction of multi-functional charging pile test fixture of the invention is as shown in figure 8, drawing on client mainboard
Foot 1,2,3,4 ... ..., 19,20 in turn switches on relay J1-J10, and the relay J1-J10 is sequentially connected diode D1-
The input terminal of D10, diode D1-D10 are grounded, and output end passes through a button S1 and connects 12V power supply；On client mainboard
Pin 21 and 22 is respectively turned on the pin 1 and 2 of test master control borad, and the pin 3 and 4 for testing master control borad connects 12V Switching Power Supply；Visitor
Pin 28, pin 29 on the mainboard of family end are connected to USB with pin 30 by button switch S2, S3 with S4 respectively, and to turn Transistor-Transistor Logic level small
VCC, RX, TX and GND that RXD, TXD and GND of plate, USB turn Transistor-Transistor Logic level platelet are connected to computer USB interface；Client mainboard
On pin 24,25 and 26,27 be respectively turned on power supply V1 and V2, pin 31 and 33 is all connected with zero curve, and pin 34 passes through button K1
Connect firewire；Pin 35-44 on client mainboard passes through resistance R1-R10 connection zero line output N-out, client master respectively
Board chip figure is as shown in Figure 9.
It is as follows come the detailed process for testing charging pile using a kind of multi-functional charging pile test fixture of the invention:
(1) after the completion of according to circuit diagram wiring as shown in Figure 8, client mainboard 9 to be measured is placed on client support plate 4,
It is by 2 manual control knobs 13 of pressing device that client mainboard 9 to be measured is fixed.
(2) working power control switch 29 is opened, the thimble 19 and client mainboard 9 pressed on cover board 3 is powered, and passes through electricity
Whether in the normal range the voltage display of pressure display table 26 judges each road operating voltage of client mainboard 9.
(3) switch on client mainboard is all allocated on grades, the probe 23 be connected with client mainboard 9 connect electricity
Brain opens three software burning control switches 27 on the right side of jig from left to right；Open computer on mcuisp software, to green into
Degree item is covered rear burning and is completed, and turns left from the right side and closes the three burning control switches 27 in right side, opens working power control switch 29,
Client mainboard k1 key is pressed, the digital sm1 pipe of corresponding position starts to walk about, and illustrates that communication is normal.
(4) by power cut-off, S1 numbers switches is reversed into 1234 gears, the power switch on client mainboard is opened, listens
See booting voice prompting, voltage display indicates that number is 3.3V and 12V.The position number DS1 and the position DS2 charactron on client mainboard
Show digital 8 normal intactization, ND11 to the position ND22 red light is lighted, and brightness uniformity is consistent.K1 on mainboard is pressed from left to right,
K2...K10 key hears buzzer sound when by corresponding key and checks that corresponding charactron sm1, sm2...sm10 are shown
Digital 8 intactization；It pins green key beside power key and sees that key-press digital pipe is run from sm1 sequence to sm10 extinguishing, see number
Code pipe numerical value is each not less than 90.IC card piece is placed on board induction zone, it is aobvious that DS1 and the position DS2 charactron number change tail number
It is shown as 19.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to design of the invention
It is defined with range, without departing from the design concept of the invention, ordinary engineering and technical personnel is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, claimed skill of the invention
Art content is all documented in technical requirements book.
Claims (10)
1. a kind of multi-functional charging pile test fixture, it is characterised in that: including jig bracket, pressing device, pressing cover board, client
Hold support plate and jig base；Two pieces of sides of side plate and connection that the jig bracket is uprightly placed in parallel in jig base by two pieces
The connecting plate on plate top is constituted；The client support plate is placed in jig base by fixed column, and is placed between two blocks of side plates；
The pressing cover board is placed in above client support plate, and is pressed cover board and connect by two fixed links with two blocks of side plates；The pressure
It attaches together and sets top and be fixed in the middle part of connecting plate by connector, be additionally provided with the first sliding sleeve on the connector；The jig base
On be also equipped with voltage display unit, the voltage display unit is placed in beside jig bracket.
2. a kind of multi-functional charging pile test fixture according to claim 1, it is characterised in that: the pressing device includes
Lifting column, L shape handle, two C-shaped brackets and pressing pedestal, the lifting column is placed along the vertical direction, and lower end passes through pressing
Pedestal is bolted with pressing cover board upper surface, and described two C-shaped brackets are symmetrically placed above elevating lever, the lifting column
The lower end that upper end passes through the first sliding sleeve and two C-shaped brackets of connector is hinged, and the upper end of described two C-shaped brackets is in L shape hand
The bending part of handle and L shape handle are hinged, and the upper end and connector upper end of the L shape handle are hinged.
3. a kind of multi-functional charging pile test fixture according to claim 1, it is characterised in that: on the client support plate
Equipped with the groove that several and client mainboard matches, several probes are additionally provided with inside the client support plate, for adding
It is connected after client mainboard with client mainboard.
4. a kind of multi-functional charging pile test fixture according to claim 1, it is characterised in that: inside the pressing cover board
It is fixedly connected with several and passes through pressing cover board bottom for contacting the thimble of conducting, the thimble with client mainboard；It is described
Pressing cover board bottom is additionally provided with several for fixing the pressure bar of mainboard；The pressing cover board is respectively equipped with second at rear side both ends
The second sliding sleeve is inserted into sliding sleeve, the fixed link lower end, and the side plate extends in the equal perpendicular side plate in position close to fixed link upper end
A fixed plate out, the fixed link are connected with bolt of fixing plate, and the pressing cover board can slide over sliding in fixed link by second
It is dynamic.
5. a kind of multi-functional charging pile test fixture according to claim 1, it is characterised in that: the voltage display unit
Show that table and software burning control switch, the voltage case are fixedly installed in jig base including voltage case, mounting plate, voltage
On, the mounting plate is installed on front side of voltage case, and the voltage display table is installed on mounting plate, is additionally provided on the mounting plate
Software burning control switch, the software burning control switch are placed in above voltage display table, and the voltage case is hollow box body,
It is several for connecting the joint connecting wire of client mainboard, voltage display table and software burning control switch for placing.
6. a kind of multi-functional charging pile test fixture according to claim 1, it is characterised in that: the voltage display table makes
It is connected at the probe inside client support plate with connecting line, the groundwork voltage of display client mainboard is detected with this.
7. a kind of multi-functional charging pile test fixture according to claim 1, it is characterised in that: table in the jig base
Face is also equipped with mainboard test switch and working power control switch for control device self-checking.
8. a kind of multi-functional charging pile test fixture according to claim 1, it is characterised in that: the jig base is to use
In the hollow cavity of the associated wiring of arrangement jig component, the jig base side is additionally provided with handle slot.
9. a kind of multi-functional charging pile test fixture according to claim 1, it is characterised in that: wiring construction are as follows: described
Pin 1,2,3,4 ... ..., 19,20 on client mainboard in turn switches on relay J1-J10, and the relay J1-J10 is successively
Diode D1-D10 is connected, the input terminal of the diode D1-D10 is grounded, and output end passes through a button S1 and connects 12V electricity
Source；Pin 21 and 22 on the client mainboard is respectively turned on the pin 1 and 2 of test master control borad, tests the pin 3 of master control borad
12V Switching Power Supply is connected with 4；Pin 28, pin 29 and pin 30 on the client mainboard respectively by button switch S2,
S3 is connected to RXD, TXD and GND that USB turns Transistor-Transistor Logic level platelet with S4, and VCC, RX, TX that USB turns Transistor-Transistor Logic level platelet are connected with GND
To computer USB interface.
10. a kind of multi-functional charging pile test fixture according to claim 9, it is characterised in that: the client mainboard
On pin 24 and 25 power on V1, pin 26 and 27 powers on V2；Pin 31 and 33 on client mainboard is all connected with
Zero curve, pin 34 pass through button K1 connection firewire；Pin 35-44 on client mainboard passes through resistance R1-R10 connection zero respectively
Line exports N-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624426.9A CN109856430A (en) | 2018-12-28 | 2018-12-28 | A kind of multi-functional charging pile test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624426.9A CN109856430A (en) | 2018-12-28 | 2018-12-28 | A kind of multi-functional charging pile test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109856430A true CN109856430A (en) | 2019-06-07 |
Family
ID=66893050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811624426.9A Pending CN109856430A (en) | 2018-12-28 | 2018-12-28 | A kind of multi-functional charging pile test fixture |
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| CN (1) | CN109856430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067862A (en) * | 2020-09-09 | 2020-12-11 | 杭州涂鸦信息技术有限公司 | Test fixture |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206057463U (en) * | 2016-09-20 | 2017-03-29 | 广州地铁集团有限公司 | The comprehensive test device of gate inhibition's control system on the spot |
| CN207058519U (en) * | 2017-06-20 | 2018-03-02 | 南通同洲电子有限责任公司 | A kind of frock carrier of more client production software of synchronous upgrading |
| CN108337506A (en) * | 2018-04-18 | 2018-07-27 | 东莞理工学院 | A kind of set-top box automatic testing equipment |
| CN207882312U (en) * | 2018-03-05 | 2018-09-18 | 厦门广汇田电子设备有限公司 | A kind of associated panel double fastener jaw type multifunctional test tool |
-
2018
- 2018-12-28 CN CN201811624426.9A patent/CN109856430A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206057463U (en) * | 2016-09-20 | 2017-03-29 | 广州地铁集团有限公司 | The comprehensive test device of gate inhibition's control system on the spot |
| CN207058519U (en) * | 2017-06-20 | 2018-03-02 | 南通同洲电子有限责任公司 | A kind of frock carrier of more client production software of synchronous upgrading |
| CN207882312U (en) * | 2018-03-05 | 2018-09-18 | 厦门广汇田电子设备有限公司 | A kind of associated panel double fastener jaw type multifunctional test tool |
| CN108337506A (en) * | 2018-04-18 | 2018-07-27 | 东莞理工学院 | A kind of set-top box automatic testing equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067862A (en) * | 2020-09-09 | 2020-12-11 | 杭州涂鸦信息技术有限公司 | Test fixture |
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Application publication date: 20190607 |