CN208297670U - The test device of the control panel of wind electric converter - Google Patents
The test device of the control panel of wind electric converter Download PDFInfo
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- CN208297670U CN208297670U CN201820536524.6U CN201820536524U CN208297670U CN 208297670 U CN208297670 U CN 208297670U CN 201820536524 U CN201820536524 U CN 201820536524U CN 208297670 U CN208297670 U CN 208297670U
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Abstract
The utility model provides a kind of test device of the control panel of wind electric converter, comprising: power supply unit, test cell and host computer；One end of power supply unit is for connecting external power supply, other end connecting test unit；Test cell is connect with control panel, and test cell and control panel are connect with host computer；Power supply unit is powered for converting to the electric signal of external power supply, and to test cell and control panel；Host computer is used to send test instruction to test cell and/or control panel, and receives the test result data of test cell and/or control panel；Test cell, which is used to be instructed according to test, generates Test input signal, Test input signal is sent to control panel, also, detect the output signal of control panel, generates test result data according to output signal.The automatic test to control panel may be implemented in the test device of the control panel of wind electric converter provided by the utility model, improves testing efficiency.
Description
Technical field
The utility model relates to circuit board testing technical field more particularly to a kind of tests of the control panel of wind electric converter
Device.
Background technique
With national new energy strategy development, wind energy is able to fast development as green energy resource, and wind electric converter is wind
Indispensable energy converter in power generator.The function of wind electric converter is by wind-driven generator in natural wind action
The electric energy that frequency, the amplitude of lower sending are unstable is converted to frequency, amplitude stability, and meets the electric energy of grid requirements.Wind-powered electricity generation becomes
The control panel of stream device is the core component of wind electric converter, and the key algorithm and relay protective scheme of wind electric converter operate in control
In the control chip of plate, control panel will lead to the catastrophe failure of wind electric converter if going wrong, and therefore, control panel is being installed
It needs sufficiently to be tested before to wind electric converter, it is ensured that its function is normal, so as to reduce the test step of later period complete machine
Suddenly, it is debugged convenient for generating.In addition, due to the increase of the quantity of wind-driven generator installation in recent years, the event that wind-power electricity generation scene returns
The quantity of barrier control panel also gradually increases, and carries out being also required to test control panel when failure cause positioning and analysis.
Currently, the method tested the control panel of wind electric converter is manual testing, specifically, control panel is connected
Power supply, signal generator and signal-obtaining equipment, are tested by the tester Jing Guo professional training, and according to test phenomenon
It is analyzed, obtains test result.
However, above-mentioned test mode, when each interface of test control panel, it is required to tester and passes through signal to occur
Device inputs the corresponding Test input signal of each interface, and obtains the corresponding test result of each interface by signal-obtaining equipment
Data, cumbersome, testing efficiency is low.
Utility model content
The utility model provides a kind of test device of the control panel of wind electric converter, can be realized to the automatic of control panel
Change test, improves testing efficiency.
The test device of the control panel of wind electric converter provided by the utility model, comprising: power supply unit, test cell and
Host computer；
One end of said supply unit connects the test cell for connecting external power supply, the other end；The test is single
First to connect with the control panel, the test cell and the control panel are connect with the host computer；
Said supply unit is for converting the electric signal of the external power supply, and to the test cell and described
Control panel power supply；The host computer is used to send test instruction to the test cell and/or the control panel, and described in reception
The test result data of test cell and/or the control panel；The test cell is used to instruct to generate according to the test to survey
Input signal is tried, the Test input signal is sent to the control panel, also, detect the output signal of the control panel,
The test result data is generated according to the output signal.
Optionally, the test cell includes test circuit board, is provided with first interface group, institute on the test circuit board
Stating first interface group includes power input interface, power output interface, digital output interface, digital input interface, simulation output
Interface and communication interface；
The power input interface in the first interface group is connect with said supply unit, remaining interface with it is described
The interface of control panel connects.
Optionally, the test cell further includes second interface group, and the first interface group is arranged in the test device
Cabinet on；
The interface of interface and the control panel in the second interface group corresponds；Connecing in the second interface group
One end of mouth is connect with the interface in the first interface group, other end interface connection corresponding with the control panel.
Optionally, the host computer is connect with the communication interface in the second interface group.
Optionally, said supply unit includes Switching Power Supply, and the Switching Power Supply is used for the telecommunications of the external power supply
Number be converted to the electric signal of target voltage.
Optionally, said supply unit further includes configuration plate, and the configuration plate is connected to the Switching Power Supply and the survey
It tries between unit；The electric signal that the configuration plate is used to export the Switching Power Supply is filtered.
Optionally, said supply unit further includes earth leakage protective device, and the earth leakage protective device is connected to the external power supply
Between the Switching Power Supply.
Optionally, said supply unit further includes key switch, the key switch be connected to the earth leakage protective device and
Between the Switching Power Supply.
Optionally, said supply unit further includes power supply indicator, and the power supply indicator is connected to the key switch
Between the Switching Power Supply.
Optionally, at least one of electric signal of the target voltage, including following electric signals: 5V, 15V and 24V.
The test device of the control panel of wind electric converter provided by the utility model, including power supply unit, test cell and
Host computer, test cell, which is used to be instructed according to test, generates Test input signal, and Test input signal is sent to control panel,
Test cell is also used to detect the output signal of control panel, test result data is generated according to the output signal, so that the survey
Trial assembly is set can instruct automatic Data Generation Test according to test, and automatically generate test knot according to the output signal detected
Fruit data are manually entered test parameter without special tester and obtain test result data manually, realize
To the automatic test of control panel, the testing efficiency of control panel is improved.Further, host computer be used for test cell and/
Or control panel sends test instruction, and receives the test result data of test cell and/or control panel so as to control panel into
When row test, tester only needs to send test instruction and observation test result data by host computer, simplifies operator
The testing procedure of member, further improves testing efficiency, also, tester needs not move through professional training and can be completed to control
The test job of making sheet is reduced and is required the profession of tester.Furthermore it is also possible to need to send out by host computer according to test
It send different tests to instruct, realizes the test to control panel preset function, alternatively, realize to the functional test of control panel institute,
So that the testing process of control panel is more flexible.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of test device embodiment one provided by the utility model；
Fig. 2 is the structural schematic diagram that circuit board is tested in test device embodiment two provided by the utility model；
Fig. 3 is the structural schematic diagram of the control panel of certain model wind electric converter；
Fig. 4 is the structural schematic diagram of test device embodiment three provided by the utility model；
Fig. 5 is the structural schematic diagram of test device example IV provided by the utility model.
Description of symbols:
10: power supply unit；
11: Switching Power Supply；
12: configuration plate；
13: earth leakage protective device；
14: key switch；
15: power supply indicator；
20: test cell；
21: test circuit board；
22: cabinet；
30: host computer；
40: control panel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The specification and claims of the utility model and term " first ", " second ", " third " in above-mentioned attached drawing
(if present)s such as " the 4 " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It answers
The data that the understanding uses in this way are interchangeable under appropriate circumstances, for example so as to the embodiments of the present invention described herein
It can be performed in other sequences than those illustrated or described herein.In addition, term " includes " and " having " and he
Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process, method of a series of steps or units,
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include being not clearly listed
Or the other step or units intrinsic for these process, methods, product or equipment.
With national new energy strategy development, wind energy is able to fast development as green energy resource, and wind electric converter is wind
Indispensable energy converter in power generator.The function of wind electric converter is by wind-driven generator in natural wind action
The electric energy that frequency, the amplitude of lower sending are unstable is converted to frequency, amplitude stability, and meets the electric energy of grid requirements.Wind-powered electricity generation becomes
The control panel of stream device is the core component of wind electric converter, and the key algorithm and relay protective scheme of wind electric converter operate in control
In the control chip of plate, control panel will lead to the catastrophe failure of wind electric converter if going wrong, and therefore, control panel is being installed
It needs sufficiently to be tested before to wind electric converter, it is ensured that its function is normal, so as to reduce the test step of later period complete machine
Suddenly, it is debugged convenient for generating.In addition, due to the increase of the quantity of wind-driven generator installation in recent years, the event that wind-power electricity generation scene returns
The quantity of barrier control panel also gradually increases, and carries out being also required to test control panel when failure cause positioning and analysis.
Currently, the method tested the control panel of wind electric converter is manual testing, specifically, control panel is connected
Power supply, signal generator and signal-obtaining equipment, are tested by the tester Jing Guo professional training, and according to test phenomenon
It is analyzed, obtains test result.
However, above-mentioned test mode, when each interface of test control panel, it is required to tester and passes through signal to occur
Device inputs the corresponding Test input signal of each interface, and obtains the corresponding test result of each interface by signal-obtaining equipment
Data, cumbersome, testing efficiency is low.
The test device of the control panel of wind electric converter provided by the utility model can be realized the automation to control panel
Test improves testing efficiency.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Firstly the need of explanation, the test device of the control panel of wind electric converter provided by the utility model is applicable
Automatic test is carried out in the control panel of the wind electric converter to all models.
Fig. 1 is the structural schematic diagram of test device embodiment one provided by the utility model, as shown in Figure 1, the present embodiment
Test device include: power supply unit 10, test cell 20 and host computer 30.
Wherein, one end of power supply unit 10 is for connecting external power supply (not shown), other end connecting test unit 20；It surveys
Examination unit 20 is connect with control panel 40, and test cell 20 and control panel 40 are connect with host computer 30.
Power supply unit 10 is supplied for converting to the electric signal of external power supply, and to test cell 20 and control panel 40
Electricity；Host computer 30 is used to send test instruction to test cell 20 and/or control panel 40, and receives test cell 20 and/or control
The test result data of making sheet 40；Test cell 20, which is used to be instructed according to the test, generates Test input signal, by the survey
Examination input signal is sent to control panel 40, and test cell 20 is also used to detect the output signal of control panel 40, according to the output
Signal generates the test result data.
Specifically, power supply unit 10 connects external power supply, the electric signal of external power supply is converted to required for control panel 40
The electric signal of voltage the alternating current of 220V is converted into control for example, power supply unit 10 can connect the alternating current of common 220V
Operating voltage required for plate 40, for example 5V, 15V or 24V are so as to test cell 20 and the power supply of control panel 40.
In test, tester can send test instruction, test cell 20 to test cell 20 by host computer 30
It is instructed according to test and generates Test input signal, and the Test input signal is sent to control panel 40.A kind of optional
In embodiment, control panel 40 is judged accordingly after receiving the Test input signal, obtains test result data, will be surveyed
Test result data are sent to host computer 30.In another optional embodiment, control panel 40 receives Test input signal
After generate corresponding output signal, and the output signal is returned into test cell 20, test cell 20 detects that the output is believed
Judged accordingly after number, obtain test result data, test result data is sent to host computer 30.
Tester can also send test instruction to control panel 40 by host computer 30, in a kind of optional embodiment
In, control panel 40 is judged accordingly after receiving test instruction, obtains test result data, test result data is sent out
Give host computer 30.In another optional embodiment, control panel 40, which generates corresponding output according to test instruction, to be believed
Number, and the output signal is sent to test cell 20, test cell 20 is judged accordingly after detecting the output signal,
Test result data is obtained, test result data is sent to host computer 30.
It should be noted that host computer 30 send test instruction can there are many, for example, first test instruction for referring to
Show it is functional to the institute of control panel 40 test, the second test instruction be used to indicate to the first preset function of control panel 40 into
Row test, third test instruction, which is used to indicate, tests the second preset function of control panel 40.That is, can basis
Test needs to send different test instructions by host computer, realizes the test to control panel preset function, alternatively, realizing to control
The functional test of making sheet institute, so that the testing process of control panel is more flexible.In addition, host computer 30 receives test cell
20 and/or the test result data that sends of control panel 40 after, which is shown, so that tester can be with
Intuitively observe test result.
The test device of the present embodiment, including power supply unit, test cell and host computer, test cell are used for according to test
Instruction generates Test input signal, and Test input signal is sent to control panel, and test cell is also used to detect control panel
Output signal generates test result data according to the output signal, allows the test device automatic according to test instruction
Test data is generated, and test result data is automatically generated according to the output signal detected, without special survey
Examination personnel are manually entered test parameter and obtain test result data manually, realize the automatic test to control panel, improve
The testing efficiency of control panel.Further, host computer is used to send test instruction to test cell and/or control panel, and connects
The test result data of Acceptance Tests unit and/or control panel, so that tester only needs to lead to when testing control panel
It crosses host computer and sends test instruction and observation test result data, simplify the testing procedure of operator, further improve
Testing efficiency, also, tester needs not move through professional training that test job to control panel can be completed, and reduces to survey
The profession of examination personnel requires.It instructs, is realized to control furthermore it is also possible to need to send different tests by host computer according to test
The test of making sheet preset function, alternatively, realizing to the functional test of control panel institute, so that the testing process of control panel is more
Add flexibly.
In general, being required to the total interface to control panel when carrying out factory test or malfunction elimination test to control panel
It is tested.The interface of control panel includes but is not limited to such as lower interface: power input interface, digital input interface, numeral output
Interface, simulation input interface, pulse width modulation (Pulse Width Modulation, PWM) output interface, encoder connect
Mouth, controller local area network's (Controller Area Network, CAN) communication interface and 485 communication interfaces.This is practical new
The automatic test to the total interface of control panel may be implemented in the test device embodiment two that type provides.
Specifically, including test circuit board in test device embodiment two provided by the utility model, in test cell 20
21, test circuit board 21 can automatically generate Test input signal according to test instruction, and can detecte the defeated of control panel 40
Signal out.
Fig. 2 is the structural schematic diagram that circuit board is tested in test device embodiment two provided by the utility model, such as Fig. 2 institute
Show, in order to realize the test of the total interface to control panel 40, tests on circuit board 21 and be provided with first interface group, described first
Interface group include power input interface, power output interface, digital output interface, digital input interface, simulation output interface and
Communication interface, wherein communication interface includes but is not limited to CAN communication interface and 485 communication interfaces.
Specifically, the power input interface on test circuit board 21 is with power supply unit for connect, remaining interface for
The interface of control panel 40 connects.It should be understood that correspondence can be generated for the distinct interface of control panel 40 in test circuit board 21
Test input signal, the Test input signal is then sent to by the corresponding of control panel 40 by above-mentioned first interface group
Interface.
It should be noted that for the interface connection relationship between test circuit board 21 and control panel 40, the utility model
It is not especially limited, can be arranged according to the interface of control panel 40 and testing requirement is reasonably connected, for example, when needing
When being tested for the digital input interface of control panel 40, need to test the digital output interface and control panel of circuit board 21
40 digital input interface is attached.
In the present embodiment, by the way that first interface group is arranged in test circuit board 21, first interface group includes power input
Interface, power output interface, digital input interface, digital output interface, simulation output interface and communication interface, so that the test
The automatic test of the total interface to control panel 40 may be implemented in circuit board 21, so that test is comprehensively, and improves test
Efficiency.
It should be noted that the interface of above-mentioned cited controller 40 is the function or transmitting realized according to interface
What data type was classified, be not one-to-one relationship with the actual physical interfaces on control panel 40.
For convenience, it is illustrated by taking the control panel of one of wind electric converter as an example below.Fig. 3 is certain model
The structural schematic diagram of the control panel of wind electric converter, as shown in figure 3, control panel 40 include X1, X2, X3, X6, X15, X23, CAN,
485 equal physical interfaces.It should be noted that the interface of control panel shown in Fig. 3 does not each mean control panel in actual operation and not
With the physical interface between peripheral board.Such as: X1 interface indicate control panel 40 and I/O plate interface, X3 indicate control panel 40 and
The interface of simulation input plate, X6 indicate the interface of control panel 40 and pulse width modulation (PWM) plate.In addition, control panel shown in Fig. 3
The structural representation of only one of control panel, test device provided by the utility model can be adapted for all types of
The control panel of wind electric converter is tested, and control panel shown in Fig. 3 is not limited in.
In control panel real work, the signal that some interface is transmitted may be that digital signal is also likely to be simulation letter
Number, for example, X6 interface sends and receives digital signal, it also can receive analog signal, that is to say, that X6 interface is either number
Word input interface, is also possible to digital output interface, can also be simulation input interface.Therefore, in the survey using the present embodiment
When trial assembly is set to control panel progress automatic test, digital output interface, digital input interface and the simulation of circuit board 21 are tested
Input interface is required to connect with the X6 interface of control panel 40.It is similar, control panel 40 other interfaces may there is also similar
Connection relationship so that test circuit board 21 and control panel 40 between there are problems that intersects wiring, whenever replacement it is to be tested
Control panel 40 when, be required to carry out complicated wiring.In order to solve the problems, such as that above-mentioned wiring is complicated, the utility model is also provided
The embodiment three of test device.
Fig. 4 is the structural schematic diagram of test device embodiment three provided by the utility model, as shown in figure 4, in above-mentioned reality
On the basis of applying example, the test device of the present embodiment further includes cabinet 22, and test cell 20 further includes second interface group, and described
Two interface groups are arranged on cabinet 22.
Specifically, as shown in figure 4, the interface one-to-one correspondence of interface and control panel 40 in the second interface group, described
One end of interface in second interface group is connect with the interface in the first interface group, and the other end is corresponding with control panel 40
Interface connection.
Wherein, the form of the interface in the second interface group is not especially limited, such as can be ox horn terminal interface,
It is also possible to phoenix terminal interface.
When testing control panel 40, the Test input signal that test circuit board 21 generates successively passes through described first
After interface group, the second interface group, it is transferred to the corresponding interface of control panel 40；The output signal of the interface of control panel 40 is successively
After the second interface group, the first interface group, it is transmitted to the corresponding interface of test circuit board 21.
It should be noted that the connection of interface and the interface in the first interface group in the second interface group is closed
System, the utility model are simultaneously not especially limited, and can be arranged according to the interface of control panel 40 and test needs rationally to be connected
It connects.
By taking control panel shown in Fig. 3 as an example, in the second interface group of test device cabinet 22 also include X1, X2, X3, X6,
The physical interfaces such as X15, X23, CAN and 485.X1 therein is output port of power source, for connecting the X1 interface of control panel 40,
X2, X3, X6, X15 and X23 be input/output interface, can receive/send tri- kinds of level signals of 5V, 15V and 24V, for
X2, X3, X6, X15 and X23 of control panel 40 are connected respectively.CAN therein and 485 is communication interface, is used for and control panel
40 CAN and 485 interfaces are connected respectively.
In order to realize the test of the total interface to control panel 40, need the interface of first interface group and second interface group
Interface between rationally connected, for example can be above-mentioned interconnection, so that the preset interface of test circuit board 21 is sent
Test input signal can correctly be transmitted to the corresponding interface of control panel 40.That is, the test device of the present embodiment,
The partial encapsulation for needing to intersect wiring is arrived inside cabinet 22, the second interface group that cabinet 22 externally provides and control panel 40
Interface is correspondingly, to simplify the wiring relationship between control panel 40 and test device.
The test device of the present embodiment, by the way that second interface group, and the interface of second interface group are arranged on cabinet 22
Interface with control panel 40 is correspondingly, when so that replacing control panel 40 to be tested every time, it is no longer necessary to be carried out complicated
Wiring, it is only necessary to the interface of control panel 40 is connect one by one with the second interface group on cabinet 22, to further mention
High testing efficiency.
Optionally, host computer 30 is connect with the communication interface in second interface group.
Specifically, host computer 30 can be connect by 485 buses with 485 communication interfaces in second interface group.In order to make
Line is more convenient, and USB can also be used to turn the connecting line of 485 serial ports.
Below by taking some of interfaces in control panel shown in Fig. 3 as an example, illustrate the test device of the present embodiment to control
The principle of making sheet progress interface testing.It should be noted that test philosophy described below and test method are merely illustrative.
1) digital input interface of control panel 40: the digital output interface of test circuit board 21 issues the telecommunications of fixed pulse
Number, if the digital input interface of control panel 40 detects the electric signal of the fixed pulse, it is determined that the numeral input of control panel 40
The link of interface is normal, otherwise, it determines the link of the digital input interface of control panel 40 is abnormal.
2) digital output interface of control panel 40: the digital output interface of control panel 40 issues the electric signal of fixed pulse
Afterwards, if the digital input interface of test circuit board 21 detects the electric signal of the fixed pulse, it is determined that the number of control panel 40
Output interface link is normal, otherwise, it determines the link of the digital output interface of control panel 40 is abnormal.
3) the simulation input interface of control panel 40: after the simulation output interface output coder signal of test circuit board 21,
Control panel 40 is according to the code device signal measuring rotating speed information, if the rotary speed information is consistent with preset rotary speed information, it is determined that
The simulation input interface link of control panel 40 is normal, otherwise, it determines the simulation input interface link of control panel 40 is abnormal.
4) the CAN communication interface of control panel 40: test circuit board 21 and controller 40 carry out CAN communication, if test circuit
Plate 21 and control panel 40 can receive the data of other side, it is determined that the CAN communication interface of control panel 40 is normal.
5) 485 communication interfaces of control panel 40: test circuit board 21 carries out 485 with controller 40 and communicates, if test circuit
Plate 21 and control panel 40 can receive the data of other side, it is determined that 485 communication interfaces of control panel 40 are normal.
Fig. 5 is the structural schematic diagram of test device example IV provided by the utility model, on the basis of above-described embodiment
On, in the test device of the present embodiment, power supply unit 10 includes Switching Power Supply 11, and Switching Power Supply 11 is used for the electricity of external power supply
Signal is converted to the electric signal of target voltage.
By taking control panel shown in Fig. 3 as an example, the operating voltage of the control panel 40 can be 5V, 15V or 24V.Optionally, institute
The electric signal for stating target voltage, at least one including following electric signals: 5V, 15V and 24V.
Specifically, the alternating current of 220V can be converted to 5V's by Switching Power Supply 11 so that external power supply is 220V alternating current as an example
The electric signal of electric signal, the electric signal of 15V and/or 24V, so that the test device can be used for the control with different operating voltage
Making sheet is tested.
Optionally, as shown in figure 5, power supply unit 10 further includes configuration plate 12, configuration plate 12 is connected to 11 He of Switching Power Supply
Between test cell 20, the electric signal that configuration plate 12 is used to export Switching Power Supply 11 is filtered, so that input test unit
20 electric signal is more stable.
Optionally, as shown in figure 5, power supply unit 10 further includes earth leakage protective device 13, earth leakage protective device 13 is connected to outside
Between power supply and Switching Power Supply 11.
It should be understood that earth leakage protective device 13 can guarantee the Electrical Safety of test device, and guarantee tester's
Safety.
Optionally, as shown in figure 5, power supply unit 10 further includes key switch 14, key switch 14 is connected to earth leakage protective
Between device 13 and Switching Power Supply 11.
Key switch 14 be used for control the present embodiment test device power on and lower electricity, specifically, work as key switch 14
In the open state, test device powers on, electric under test device when key switch 14 is in close state.
Optionally, as shown in figure 5, power supply unit 10 further includes power supply indicator 15, power supply indicator 15 is connected to key
Between switch 14 and Switching Power Supply 11.
Specifically, power supply indicator 15 is connected to the rear of key switch 14, it is in parallel with the current supply circuit of test device
Relationship can indicate that the test device is in power-up state or power-down state by power supply indicator 15.
The test device of the present embodiment, when carrying out automatic test to control panel, the operating process of operator is as follows:
By the interface of control panel 40 to be tested company corresponding with the interface of the second test group on test device cabinet 22
It connects, host computer 30 is connect with the communication interface on test device cabinet 22, successively open earth leakage protective device 13, key switch
14, the state of observation power supply indicator 15 determines whether test device powers on success.If powering on success, sent out by host computer 30
It send test to instruct, and observes test result data on host computer 30.
In the present invention unless specifically defined or limited otherwise, the terms such as " connection " shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, or is integral；Can be mechanical connection, be also possible to electrical connection or
It can communicate with each other；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of test device of the control panel of wind electric converter characterized by comprising power supply unit, test cell and on
Position machine；
One end of said supply unit connects the test cell for connecting external power supply, the other end；The test cell with
The control panel connection, the test cell and the control panel are connect with the host computer；
Said supply unit gives the test cell and the control for converting to the electric signal of the external power supply
Plate power supply；The host computer is used to send test instruction to the test cell and/or the control panel, and receives the test
The test result data of unit and/or the control panel；The test cell is used to instruct generation test defeated according to the test
Enter signal, the Test input signal is sent to the control panel, also, detect the output signal of the control panel, according to
The output signal generates the test result data.
2. test device according to claim 1, which is characterized in that the test cell includes test circuit board, described
It is provided with first interface group on test circuit board, the first interface group includes power input interface, power output interface, number
Output interface, digital input interface, simulation output interface and communication interface；
The power input interface in the first interface group is connect with said supply unit, remaining interface and the control
The interface of plate connects.
3. test device according to claim 2, which is characterized in that the test cell further includes second interface group, institute
First interface group is stated to be arranged on the cabinet of the test device；
The interface of interface and the control panel in the second interface group corresponds；Interface in the second interface group
One end is connect with the interface in the first interface group, other end interface connection corresponding with the control panel.
4. test device according to claim 3, which is characterized in that logical in the host computer and the second interface group
Believe interface connection.
5. test device according to claim 1-4, which is characterized in that said supply unit includes switch electricity
Source, the Switching Power Supply are used to be converted to the electric signal of the external power supply electric signal of target voltage.
6. test device according to claim 5, which is characterized in that said supply unit further includes configuration plate, described to match
Plate is set to be connected between the Switching Power Supply and the test cell；The electricity that the configuration plate is used to export the Switching Power Supply
Signal is filtered.
7. test device according to claim 6, which is characterized in that said supply unit further includes earth leakage protective device, institute
Earth leakage protective device is stated to be connected between the external power supply and the Switching Power Supply.
8. test device according to claim 7, which is characterized in that said supply unit further includes key switch, described
Key switch is connected between the earth leakage protective device and the Switching Power Supply.
9. test device according to claim 8, which is characterized in that said supply unit further includes power supply indicator, institute
Power supply indicator is stated to be connected between the key switch and the Switching Power Supply.
10. test device according to claim 5, which is characterized in that the electric signal of the target voltage, including following electricity
At least one of signal: 5V, 15V and 24V.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221387A (en) * | 2022-01-27 | 2022-03-22 | 大连尚佳新能源科技有限公司 | Wind power converter simulation operation testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221387A (en) * | 2022-01-27 | 2022-03-22 | 大连尚佳新能源科技有限公司 | Wind power converter simulation operation testing device |
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