CN207676147U - A kind of windshield wiper trouble-shooter - Google Patents
A kind of windshield wiper trouble-shooter Download PDFInfo
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- CN207676147U CN207676147U CN201721100181.0U CN201721100181U CN207676147U CN 207676147 U CN207676147 U CN 207676147U CN 201721100181 U CN201721100181 U CN 201721100181U CN 207676147 U CN207676147 U CN 207676147U
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- 238000001514 detection method Methods 0.000 claims abstract description 15
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- 230000001427 coherent effect Effects 0.000 abstract description 4
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Abstract
The utility model provides a kind of windshield wiper trouble-shooter, windshield wiper includes windshield wiper control device, windshield wiper gas control unit, windshield wiper input signal setter and windshield wiper executive device, the diagnostic device is connect with windshield wiper control device and windshield wiper input signal setter by connector by connector, the diagnostic device includes that can acquire the input/output signal of the windshield wiper control device and carry out analysis judgement detection module and can be replaced to make the replacement control module of windshield wiper normal operation to the obstacle signal in the input/output signal of the windshield wiper control device.A kind of windshield wiper trouble-shooter provided by the utility model can not influence windshield wiper normal work while automatic collection windshield wiper coherent signal progress fault analysis and judgement.
Description
Technical field
The utility model is related to technical field of transportation, and in particular to a kind of windshield wiper trouble-shooter.
Background technology
As track friendship can be constantly progressive, EMU is with its distinctive high speed, also more and more selections of people's trip
EMU, EMU inevitably undergo various weather conditions in driving process, such as sleet, airborne dust, need the front window glass of drivers' cab
Windshield wiper is installed on glass, through ensuring that driver can accurately pay close attention to front road conditions and traffic signals at any time, but existing frequently-used blows rain
Device mostly uses electric empty united mode and is controlled, and logic control is complicated, and windshield wiper is in vehicle operation if there is event
Barrier is needed to detect failure Producing reason and be overhauled, and this maintenance usually requires especially to enter in EMU in parking
It can be overhauled after overhaul shop, because the control of windshield wiper and executing agency's installation space are narrow, in maintenance process
Trouble is frequently encountered, while being limited to construction space problem, causes the various DATA REASONINGs in detection process difficult, for simulation
The acquisition of signal and digital signal is inconvenient, and the acquisition for analog signal and digital signal is constant, causes breakdown judge inaccurate,
Simultaneously as cannot simultaneously troubleshooting overhaul to failure in time, it is dangerous to will also result in driving.
Invention content
The utility model main purpose is to solve the above problems and insufficient, provides a kind of windshield wiper fault diagnosis dress
It sets, under the premise of not influencing windshield wiper normal work, automatic collection windshield wiper coherent signal is analyzed and determined, to reach letter
Change windshield wiper fault diagnosis and restores the purpose of function.
To achieve the above object, the technical solution of the utility model is：
A kind of windshield wiper trouble-shooter, windshield wiper include windshield wiper control device, windshield wiper gas control unit, windshield wiper
Input signal setter and windshield wiper executive device, the diagnostic device is by connector and windshield wiper control device and blows rain
Device input signal setter connects, and the diagnostic device includes the input/output signal that can acquire the windshield wiper control device
And it carries out analysis judgement detection module and the fault-signal in the input/output signal of the windshield wiper control device can be carried out
It replaces to make the replacement control module of windshield wiper normal operation.
Further, the detection module includes：
Data acquisition module, acquires the input/output signal of the windshield wiper control device, and transmits a signal to control
Module is detected and judges；
Control module receives the data and adopts the various types of signal of module acquisition, and is detected and judges, determines various defeated
Whether entering output signal normally, and judgement result is exported to output module；
Output module：The judgement result and signal data for receiving control module, show and preserve；
Power module：Electric power is provided for diagnostic device.
Further, the data acquisition module includes output signal and the transmission that can acquire the windshield wiper control device
To the control module analog acquisition unit, the input signal of the windshield wiper control device can be acquired and send to described
The digital data acquisition unit of control module, signal can be filtered and anti-interference process after carry out signal analysis and processing letter
Number processing unit.
Further, the analog acquisition unit, the output that windshield wiper control device is acquired using voltage transmitter are believed
Number voltage value, and by its linear voltage decreasing be low-voltage signal, send the control module to.
Further, the signal processing unit is filtered low-voltage signal using Schmidt's inverter trigger and capacitance
With signal analysis and processing is carried out after anti-interference process.
Further, the master switch of the digital data acquisition unit acquisition windshield wiper, car wash mode switch, 5km speed
The status signal of switch and four functional select switches.
Further, the power module include for it is described diagnose provide stabilized power source Voltage stabilizing module, be that main circuit carries
For the circuit protection module of circuit protection, the Voltage stabilizing module is filtered by the way of shunt capacitance.
Further, the Voltage stabilizing module parallel connection bulky capacitor filters out the low-frequency interference signal in input and output voltage, in parallel
Small capacitances filter out the high-frequency interferencing signal in input and output voltage.
Further, the control module and the display module use switching regulator, the data acquisition module to adopt
Use low pressure difference linear voltage regulator.
Further, the diagnostic device, windshield wiper control device and windshield wiper input signal setter pass through threeway
Connector connects, and the diagnostic device, windshield wiper control device and windshield wiper executive device are connected by three-way connector.
In conclusion a kind of windshield wiper trouble-shooter provided by the utility model has such as compared with prior art
Lower advantage：
1. automatic collection windshield wiper analog signals and digital quantity signal and carry out windshield wiper whether the analytical judgment of failure,
And according to the functional replacement of result progress is analyzed and determined, the detection and reparation of windshield wiper failure can be carried out in real time, does not influence to blow rain
Device works normally；
2. automatically derived fault diagnosis result need to manually acquire and divide instead of analog signal in the prior art and digital signal
Analysis fast and accurately failure judgement point and real-time instruction site operation personnel can carry out accident analysis and processing, and saving is artificial；
The trouble unit in windshield wiper can be directly replaced after maintenance is out of order 3. providing and substituting control module, is investigated in time
Failure provides traffic safety.
Description of the drawings：
Fig. 1：A kind of windshield wiper trouble-shooter hardware composed structure schematic diagram of the utility model
Fig. 2：A kind of data flow diagram of windshield wiper trouble-shooter of the utility model；
Fig. 3：A kind of windshield wiper trouble-shooter internal data flow diagram of the utility model；
Wherein：Data acquisition module 1, power module 2, display module 3, control module 4, analog acquisition unit 5, number
Collecting unit 6 is measured, signal processing module 7, Voltage stabilizing module 8, circuit protection module 9, display screen 10, detection module 11, function is pressed
Key 12, input signal setter 13, functional select switch 14, master switch 15, car wash mode switch 16,5km speed switches
17, windshield wiper control device 18, windshield wiper executive device 19 replaces control module 20
Specific implementation mode
The utility model is described in further detail with specific implementation mode below in conjunction with the accompanying drawings.
The utility model provides a kind of windshield wiper trouble-shooter, and windshield wiper includes windshield wiper control device 18, scrapes
Rain device gas control unit, windshield wiper input signal setter 13 and windshield wiper executive device 19, diagnostic device by connector with
Windshield wiper control device 18 and windshield wiper input signal setter 13 connect, and diagnostic device includes that detection module 11 and replacement are controlled
The input/output signal of windshield wiper control device 18 is transferred to detection module 11 and carries out function judgement by molding block 20, connector,
It replaces control module 20 and control is replaced to the correlation module for generating the windshield wiper of failure according to judgement result.
Windshield wiper include windshield wiper control device 18, windshield wiper gas control unit, windshield wiper input signal setter 13 and
Windshield wiper executive device 19, windshield wiper input signal setter 13 are opened including functional select switch 14 (four switches), master control
15, car wash mode switch 16,5km speed switches 17 are closed, is connected with windshield wiper control device 18 by the ports X03, to windshield wiper
Control device 18 carries out control operation, and windshield wiper control device 18 passes through the windshield wiper executive device 19 that is connected with the ports X01
Driving device S04 carries out transmission control to windshield wiper, passes through the electric control gear for the windshield wiper executive device 19 that the ports X02 are connected
S06 parks electric solenoid valve to the 1.5/1 of windshield wiper control device 18,1.5/2 scrapes solenoid valve, 1.5/3 intermediate solenoid valve and 1.4
Electromagnetic proportional valve output voltage carries out pattern and speed output control, connection relation between each function module of windshield wiper and specific
Structure is configured to the prior art, and the windshield wiper of the different model or control method (structure is different) that are likely to occur in the future similarly may be used
With the technology of application the utility model, does not require and limit herein.
Windshield wiper trouble-shooter selects microcomputer development, microcontroller to use high performance 32 kernels, working frequency
For 70MHz, internal high-speed memories, the abundant increase ports I/O and the appearance for being connected to two APB buses, including 3 12
ADC, 4 general 16 bit timing devices and 2 PWM timers, for piezoelectric voltage be 2.0V to 3.6V, have a series of power saving mould
Formula can ensure the requirement of low-power consumption application.As shown in Figure 1, including detection module 11 and control module 20 mainly is replaced,
Middle detection module 11 includes：
Data acquisition module 1, acquires all kinds of input/output signals of the windshield wiper control device 18, and by signal transmission
To control module 4 be detected with function sex determination, including three parts, first part be analog acquisition unit 5, acquisition is scraped
The output signal of rain device control device 18 mainly uses voltage transmitter to acquire the voltage value of each solenoid valve, by its linear drop
Low-voltage signal is pressed, sends control module 4 to, in the present embodiment, the acquisition of AD values is using connection translative mode, in continuous modulus of conversion
In formula, when at once the ADC conversions of front start another conversion once end；Second part is digital data acquisition unit 6, mainly
Input signal for acquiring windshield wiper control module 18 acquires windshield wiper input signal setter 13 and is controlled to windshield wiper
Module 18 input signal, including but not limited to acquire master switch 15, car wash mode switch 16,5km speed switches 17 and
The acquisition of 14 state of functional select switch；Part III is signal processing module 7, uses Schmidt's inverter trigger and capacitance
Low-voltage signal is filtered and anti-interference process.
Control module 4 adopts the various types of signal of the acquisition of module 1 for receiving data, and carries out function judgement, and according to judgement
As a result the detection and correction output and input is realized.Include mainly two parts, a part is automatic using microcontroller to automatically control
Whether monitoring all kinds of input and output signals normally, function sex determination is carried out, determines whether are actual signal and the signal that detects
Be consistent, to windshield wiper whether there is failure function sex determination, when the actual signal of windshield wiper with detect induction signal
When not being inconsistent now, judge that the function module of the corresponding windshield wiper of the signal has and manage failure, is otherwise determined as normally, and to judging result
Output module is conveyed to by output signal to show and store, another part is to manually control, according to judgement as a result, by artificial
Each switching value and liquid crystal display touch switch are operated manually.
Output module：Control module 4 completes the signal acquisition to 18 input/output signal of windshield wiper control device and detection
It after judgement, needs to judge that result exports, in the present embodiment, output module is used to receive the judgement of control module 4 as a result, simultaneously
The virtual condition instruction of display main signal and the state of the analog signal exported according to judgement result.In the present embodiment
In, output module includes display module 3 and memory module, and display module 3 includes being provided with display screen 10 and function button 12
Display panel, display screen are TFT colored touch screens, are capacitance touch screen, can show the detecting state of each signal by MCU driving
It is additionally provided with touch switch at the rear of every bars state with the voltage value of each output signal, operator can be according to display screen 10
On status signal, intuitively find out windshield wiper whether there is functional fault, for there are the function moulds of the windshield wiper of functional fault
Block touches touch switch, the signal control of the cut-out windshield wiper function module, and sends a signal to replacement control module, utilizes
Replace the main signal of the corresponding function module of the corresponding space signal replacement windshield wiper of control module so that windshield wiper receives just
Regular signal restores normal function.In the present embodiment, the state of the coherent signal detected is only shown on the display screen 10, is grasped
Author compares display screen 10 with the virtual condition respectively switched on windshield wiper console itself again, if inconsistent, judges
There are failures for the corresponding switch of the signal, if faulty generation, the voltage value of corresponding solenoid valve can be displayed in red (display color
Can customize), carry out fault alarm.It is additionally provided with function button 12 on display panel, is mainly used for control and replaces control module phase
The replacement function of space signal is answered, including but not limited to switch is replaced in function selection, 100V replaces power main switch, speed tune
Section replaces knob, solenoid valve replaces voltage, battery main switch, microcontroller switch.Meanwhile output module further includes memory module,
SD card can be used to store judgement result by date, the suitable memory of the selection of time stored as needed, update within such as every 15 days
Once, by saving as 16G, it is ensured that whole signal messages, judgement result, the subsequent operation carried out according to judgement result in 15 days
Etc. contents can be stored entirely in SD card, be unlikely to due to low memory there is a phenomenon where partial information can not store, it is also unlikely
In excessive waste memory, the content that need to be stored is made to match with memory size as unit of the time.It can show on the display screen 10
The inquiry entrance for showing storage content exists in the form of touch key-press, and can be arranged as required to need correlation function key.
Power module 2：It is mainly responsible for as diagnostic device, as microcontroller offer electric power, including two parts, first part
Outputting and inputting for Voltage stabilizing module 8 is filtered by the way of shunt capacitance for Voltage stabilizing module 8, bulky capacitor in parallel,
The low-frequency interference signal in input and output voltage can be filtered out；Small capacitances in parallel can filter out the high frequency in input and output voltage
Interference signal.The chip used in Voltage stabilizing module 8 is broadly divided into two kinds, switching regulator and linear voltage regulator, switching regulator
Have the characteristics that high efficiency, High Output Current, low quiescent current, but haves the shortcomings that output ripple and switching noise are big；Low pressure
Poor linear title depressor peripheral components are few, and noise and quiescent current are low.Since microcontroller (diagnostic device) and colorful display screen 10 are negative
It is larger to carry electric current, is generated heat using low pressure difference linear voltage regulator larger, therefore microcontroller and 10 load current of display screen are larger, uses
Switching regulator；And the voltage transmitter of AD collecting parts requires supply voltage to stablize, therefore use low pressure difference linear voltage regulator.
Second part is circuit protection module 9, and for the main circuit of diagnostic device, since voltage is higher, electric current is larger, once occur short
Road accident causes damages larger, it is therefore desirable to carry out circuit protection.The mode of protection mainly uses fuse protection and varistor
Protection, fuse protection mode are that series connection insures silk in main circuit, and when electric current is more than setting value in circuit, can fuse guarantor
Dangerous silk, makes main circuit disconnect, and plays a protective role；Varistor is parallel in main circuit, piezo-resistive properties are when pressure-sensitive
When resistance both end voltage does not reach certain certain value, varistor resistance value can be considered infinitely great, when more than certain certain value or by
When surge voltage, resistance value is obviously reduced, and makes the subsequent partial short circuit of circuit, plays a protective role to main circuit..For signal
End, to prevent from puncturing chip since accident introduces high voltage in circuit, the mode that the reversal of diode can be used carries out electricity
Road is protected, and when voltage is higher, breakdown diode first makes its short circuit, to play a protective role to chip.
The replacement control module of trouble-shooter and 10 signal of display screen of output module connect, and inside set each with windshield wiper
The identical space signal of input/output signal, the Push And Release of relay is controlled with touch switch, to realize in windshield wiper phase
When powered-down magnet valve, switch break down, space signal is provided and is carried out replacing work to main signal with space signal.Work as control
After the judging result of module 4 is shown on the display screen 10, operating personnel can intuitively on a display screen on windshield wiper master console
Coherent signal correspond and confirm, the theory state of a certain signal and whether survey state consistent, for inconsistent signal,
It is considered as failure, touch switch is equipped in the corresponding rear end of display screen 10 signal, when operator selects to open touch switch, failure
The center control chip controls of diagnostic device occur further confirming that interface on the display screen 10, avoid operator's maloperation, when
After operator further confirms that, this signal transmission microcontroller is transferred to replacement control by the corresponding chip controls of output module
Molding block is first turned off the input of windshield wiper fault-signal (main signal), then by corresponding spare letter in replacement control module
Number replace main signal, and by space signal by main signal original transmission path to object module, to ensure windshield wiper
Normal operation.On the display screen 10, the open and close state of touch switch can be identified with different colours.For blowing rain
Types of functionality selecting switch on device is replaced switch by the function selection on display panel and is replaced to the signal.
Control module is replaced in setting on trouble-shooter, can be applied to following two situations, on the one hand, work as windshield wiper
Because conducting wire aging or electronic unit the reasons such as poor contact, artificial damage occur lead to that correct switching signal cannot be received；
On the other hand, cause power-supplying circuit to break down for some reason inside windshield wiper control device 18, cause open circuit.This
When, the replacement to original electronic component function can be realized by replacing control module, and windshield wiper is made to keep normal work, also for into one
Step determines that abort situation provides reliable basis.
It includes that switch, the function on corresponding windshield wiper input signal setter 13 are replaced in function selection to replace control module
Selecting switch is equally that one kind four selects a switch, if the mode of microcontroller control relay is selected to be replaced, needs often
It opens, each 4 of normally closed relay, the complexity for the replacement function selecting switch for replacing control module can be greatly increased at this time, and pacify
Full property is not high, therefore, in the present embodiment, four gear mechanical switch is selected to be replaced original signal.When carrying out the signal
When replacement, it need to rotate and replace knob to corresponding position, internal circuit will realize automatic disconnection original signal, with new into being added
Given replacement signal.
This implementation gives the concrete application process of windshield wiper trouble-shooter.Diagnostic device is controlled to windshield wiper
The input/output signal of device is acquired, i.e., to guarantee each signal from rain is blowed along correctly acquisition comes out in device, together
When also to ensure diagnostic device can by collected signal in the form of original signal back to windshield wiper, so diagnostic device and blowing rain
Device control device, windshield wiper input signal setter are connected by three-way connector, diagnostic device, windshield wiper executive device,
Windshield wiper control device threeway connects.
After connecting diagnostic device, digital collection unit 6 acquires master switch 15, car wash mode switch 16,5km speed
14 switch state signal of switch 17 and functional select switch, signal value is switching value, by control module 4 to each switching value
It measures, and the instantaneous value of switching value is sent to output module, and show on the display screen 10, when discovery windshield wiper control
When dispaly state is inconsistent on the display screen 10 of on-off state and diagnostic device on panel, then corresponding switch hair is can determine that
Raw failure, at this point, master switch 15, car wash mode switch 16,5km speed switches 17, can pass through the touch switch on display screen
Fault-signal is replaced using the corresponding replacement signal for replacing control module；Analog acquisition unit is respectively to windshield wiper control
1.5/1,1.5/2,1.5/3,1.4 solenoid valves in device processed carry out signal acquisition, and collected signal is analog quantity, control
Module measures each analog quantity in real time, and result is exported to output module, and shows on the display screen 10, for 1.5/
1,1.5/2,1.5/3 solenoid valve can be obtained the theoretical output valve of windshield wiper by the input signal of windshield wiper control device 18, by controlling
Module judges whether the measured value of each solenoid valve and theoretical value are consistent, if inconsistent, proves that windshield wiper control device 18 occurs
Failure can replace the touch switch on master switch and display screen 10, hair by the 100v power supplys on the display panel of output module
The number of delivering letters is replaced corresponding signal to the signal replaced in control module.It, can be by adjusting input letter for 1.4 solenoid valves
Whether the speed adjusting knob in number, 1.4 solenoid voltages of observation break down, expect to break down, by display panel
100v power supplys replace master switch and speed and adjust and replace knob and carry out signal replacement.Collected each signal is examined through control module
When survey is determined as normal, original signal receiving unit is flowed to by former windshield wiper, that is, fixed signal, specifically, trouble-shooter number
According to stream as shown in Fig. 2, internal data flow is as shown in Figure 3.Specific replacement process is as mentioned before.Collected each signal, control
The final judgement of device is stored as a result, send output module to by control device.
Since 1.4 solenoid voltage values are by the shadow of windshield wiper speed adjusting knob input windshield wiper control device resistance
It rings, and the resistance variations do not have rule, are followed so as to cause 1.4 solenoid voltages are irregular, when governing speed adjusting knob,
If changing on a display screen to 1.4 voltage values, then it is assumed that there is no problem for the part, otherwise needs to replace the signal
It changes, when replacement, 100v voltages need to be opened and replace master switch, the 100v power supplys that windshield wiper control device is inputted replace letter to output
Number power supply, then opens 1.4 voltages and replaces switch, while windshield wiper control device and 1.4 solenoid valves are disconnected, will replace letter
Number access, last governing speed, which is adjusted, replaces knob, powers to 1.4 solenoid valves.
Replacement signal for master switch 15,5km speed switches 16, car wash mode switch 17 is by controlling relay
Conducting and shutdown come what is realized, when needing to carry out the replacement of the signal, need to press corresponding touch-control on display screen 10 and open
It closes, realizes that the original signal for first making master switch 15,5km speed switches 16, car wash mode switch 17 disconnects, then control replacing
Mould space signal in the block introduces.
The replacement of 1.5/1,1.5/2,1.5/3 voltage value of solenoid valve is also by controlling the conducting of relay with shutdown come real
Existing, it when needing a certain relay power-off, needs to press corresponding signal on display screen and replaces button, realize original output electricity
The disconnection of pressure, powers on if necessary to replace, then recloses upper electrical switch.In the present embodiment, in replacing signal circuit,
It is provided with triode, the conducting of relay part is realized by whether controlling the conducting of triode by microcontroller Setting signal
With shutdown, certainly in practical applications, the action situation of different circuit relays may be different.
A kind of windshield wiper trouble-shooter provided by the utility model, is applicable not only on the vehicular traffics such as EMU,
It can be adapted for other vehicular traffics simultaneously, such as automobile or other any need are used on the product of windshield wiper.
In conclusion a kind of windshield wiper trouble-shooter provided by the utility model has such as compared with prior art
Lower advantage：
1. automatic collection windshield wiper analog signals and digital quantity signal and carry out windshield wiper whether the analytical judgment of failure,
And according to the functional replacement of result progress is analyzed and determined, the detection and reparation of windshield wiper failure can be carried out in real time, does not influence to blow rain
Device works normally；
2. automatically derived fault diagnosis result need to manually acquire and divide instead of analog signal in the prior art and digital signal
Analysis fast and accurately failure judgement point and real-time instruction site operation personnel can carry out accident analysis and processing, and saving is artificial；
The trouble unit in windshield wiper can be directly replaced after maintenance is out of order 3. providing and substituting control module, is investigated in time
Failure provides traffic safety.
As described above, in conjunction with given plan content, similar technical solution can be derived.In every case it is without departing from this
The content of utility model technical solution, it is made by the above technical examples according to the technical essence of the present invention any simply to repair
Change, equivalent variations and modification, is still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of windshield wiper trouble-shooter, windshield wiper includes that windshield wiper control device, windshield wiper gas control unit, windshield wiper are defeated
Enter signal feeding device and windshield wiper executive device, it is characterised in that：The diagnostic device is controlled by connector and windshield wiper
Device is connected with windshield wiper input signal setter, and the diagnostic device includes can acquire the windshield wiper control device defeated
Enter output signal and carry out analysis judgement detection module and can in the input/output signal of the windshield wiper control device therefore
Barrier signal is replaced to make the replacement control module of windshield wiper normal operation.
2. a kind of windshield wiper trouble-shooter as described in claim 1, it is characterised in that：The detection module includes,
Data acquisition module, acquires the input/output signal of the windshield wiper control device, and transmits a signal to control module
It is detected and judges；
Control module receives the data and adopts the various types of signal of module acquisition, and is detected and judges, determines that various inputs are defeated
Whether going out signal normally, and judgement result is exported to output module；
Output module：The judgement result and signal data for receiving control module, show and preserve；
Power module：Electric power is provided for diagnostic device.
3. a kind of windshield wiper trouble-shooter as claimed in claim 2, it is characterised in that：The data acquisition module includes
The output signal of the windshield wiper control device can be acquired and send the analog acquisition unit of the control module to, can acquire
The input signal of the windshield wiper control device simultaneously sends the digital data acquisition unit of the control module to, can be carried out to signal
The signal processing unit of signal analysis and processing is carried out after filtering and anti-interference process.
4. a kind of windshield wiper trouble-shooter as claimed in claim 3, it is characterised in that：The analog acquisition unit,
The voltage value of the output signal of windshield wiper control device is acquired using voltage transmitter, and is low-voltage signal by its linear voltage decreasing,
Send the control module to.
5. a kind of windshield wiper trouble-shooter as claimed in claim 4, it is characterised in that：The signal processing unit uses
Schmidt's inverter trigger and capacitance to low-voltage signal be filtered and anti-interference process after carry out signal analysis and processing.
6. a kind of windshield wiper trouble-shooter as claimed in claim 3, it is characterised in that：The digital data acquisition unit is adopted
Collect the master switch of windshield wiper, the status signal of car wash mode switch, 5km speed switches and four functional select switches.
7. a kind of windshield wiper trouble-shooter as claimed in claim 2, it is characterised in that：The power module includes for list
Piece machine provides the Voltage stabilizing module of stabilized power source, provides the circuit protection module of circuit protection for main circuit, and the Voltage stabilizing module is adopted
It is filtered with the mode of shunt capacitance.
8. a kind of windshield wiper trouble-shooter as claimed in claim 7, it is characterised in that：The Voltage stabilizing module and the United Nations General Assembly's electricity
Hold the low-frequency interference signal filtered out in input and output voltage, small capacitances in parallel filter out the letter of the High-frequency Interference in input and output voltage
Number.
9. a kind of windshield wiper trouble-shooter as claimed in claim 7, it is characterised in that：The control module and described aobvious
Show that module uses switching regulator, the data acquisition module to use low pressure difference linear voltage regulator.
10. a kind of windshield wiper trouble-shooter as described in claim 1, it is characterised in that：The diagnostic device, windshield wiper
Control device is connected with windshield wiper input signal setter by three-way connector, the diagnostic device, windshield wiper control dress
It sets and is connected by three-way connector with windshield wiper executive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721100181.0U CN207676147U (en) | 2017-08-30 | 2017-08-30 | A kind of windshield wiper trouble-shooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721100181.0U CN207676147U (en) | 2017-08-30 | 2017-08-30 | A kind of windshield wiper trouble-shooter |
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| CN207676147U true CN207676147U (en) | 2018-07-31 |
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| CN201721100181.0U Expired - Fee Related CN207676147U (en) | 2017-08-30 | 2017-08-30 | A kind of windshield wiper trouble-shooter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688309A (en) * | 2017-08-30 | 2018-02-13 | 中车青岛四方机车车辆股份有限公司 | A kind of windshield wiper trouble-shooter and fault diagnosis and restorative procedure |
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2017
- 2017-08-30 CN CN201721100181.0U patent/CN207676147U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688309A (en) * | 2017-08-30 | 2018-02-13 | 中车青岛四方机车车辆股份有限公司 | A kind of windshield wiper trouble-shooter and fault diagnosis and restorative procedure |
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