CN206479835U - The automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit - Google Patents
The automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit Download PDFInfo
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- CN206479835U CN206479835U CN201720027796.9U CN201720027796U CN206479835U CN 206479835 U CN206479835 U CN 206479835U CN 201720027796 U CN201720027796 U CN 201720027796U CN 206479835 U CN206479835 U CN 206479835U
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Abstract
The utility model is related to the automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit, including Automatic Detection and Control circuit, controller, Key pad port drive circuit, display driving Port detecting circuit and power module.Automatic Detection and Control circuit controls the working condition of the controller；Controller controls the working condition of the Key pad port drive circuit according to the input signal of the Automatic Detection and Control circuit；Key pad port drive circuit provides key-press input signal for tested display drive control circuit；The electric path control deivce of display driving Port detecting drives the output signal of Port detecting circuit to detect tested display drive control circuit according to display.Thus the utility model need not carry out manual testing by technical staff, greatly improve the ease for operation of detection efficiency and detection, user can be voluntarily that the detection to LCD display drive control circuits can be achieved using the present apparatus, convenient use person also reduces the maintenance cost of user to the periodic detection of intelligent closestool.
Description
Technical field
The utility model is related to the detection field of toilet bowl top cover connecting plate display driving, more particularly to a kind of toilet bowl top cover
The automatic testing equipment of connecting plate display drive control circuit.
Background technology
As the improvement of people's living standards, intelligent closestool is applied in the life of people more and more widely, and it is people
The life of class brings many convenience.But, because intelligent closestool has the peace and quiet function of a variety of functions such as buttocks, mobile peace and quiet work(
Energy, toilet seat heat insulation function, warm wind drying function, automatic deodorizing function, Jing Yin function of taking a seat etc., then to realize above-mentioned work(
Can, it is necessary to the built-in corresponding functional circuit inside intelligent closestool.
So, in order to ensure that intelligent closestool can be used normally, there is part user periodically correlation technique can be employed to detect
Personnel are detected and safeguarded to each functional circuit in intelligent closestool, and the use of people is influenceed to avoid breaking down.
But manually detected by then passing through, the manual test time is longer and test operation is complicated, be unfavorable for the frequency to intelligent closestool
Numerous detection.
And another part user is usually just meeting request technology personnel maintenance when intelligent closestool breaks down, so
It can not only influence normally to use, and cause the fault rate rise even life-span of intelligent closestool to greatly reduce.
Utility model content
To solve the shortcoming and defect of above-mentioned prior art, the utility model is shown there is provided a kind of toilet bowl top cover connecting plate
The automatic testing equipment of drive control circuit, can be realized after wiring to intelligent closestool partial circuit --- in top cap fishplate bar
The automatic carry out fault detect of LCD display drive control circuits, it is not necessary to manual testing is carried out by technical staff again, carried significantly
The high ease for operation of detection efficiency and detection, and so that user can be voluntarily achievable on closestool using the present apparatus
The detection of the LCD display drive control circuits of lid connecting plate, facilitates periodic detection of the user to intelligent closestool, also reduces
The maintenance cost of user.
A kind of automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit, including Automatic Detection and Control electricity
Road, controller, Key pad port drive circuit, display driving Port detecting circuit and power module；
The output end of the Automatic Detection and Control circuit is electrically connected with the controller, the work for controlling the controller
Make state；
The controller controls the Key pad port drive circuit according to the input signal of the Automatic Detection and Control circuit
Working condition；
The Key pad port drive circuit is used to provide key-press input signal for tested display drive control circuit；
The input of the display driving Port detecting circuit is used to access tested display drive control circuit, its output end
Electrically connected with the controller, drive the tested display of output signal detection of Port detecting circuit according to display by the controller
Drive control circuit；
The power module is the Automatic Detection and Control circuit, controller, Key pad port drive circuit, display drive end
Mouth detection circuit and tested display drive control circuit are powered.
From there through foregoing circuit, the utility model can be realized after wiring to intelligent closestool partial circuit --- upper lid
The automatic carry out fault detect of LCD display drive control circuits in connecting plate, it is not necessary to manually surveyed by technical staff again
Examination, substantially increases the ease for operation of detection efficiency and detection, and so that user can be voluntarily that can be achieved using the present apparatus
Detection to the LCD display drive control circuits of toilet bowl top cover connecting plate, facilitates periodic detection of the user to intelligent closestool,
Also reduce the maintenance cost of user.
Further, the automatic detection circuit includes the first access terminal, the second access terminal, the 3rd access terminal, the
One divider resistance and the second divider resistance；
The first access terminal ground；
The second access terminal accesses one end of the first divider resistance and the second divider resistance simultaneously；
The 3rd access terminal accesses the power output end of the power module；
With second one end for connecting of access terminal while accessing in the second divider resistance with the in first divider resistance
One end that two access terminals connect, the other end accesses the power output end of the power module；
The one end connected in second divider resistance with the first divider resistance leads to what is electrically connected with the controller
Test control end, other end ground connection.
By the above-mentioned structure qualification to automatic detection circuit, be conducive to being surveyed automatically guaranteeing trigger controller
While trial work is made, simplify circuit structure to the full extent, so as to reduce production cost.
Further, the automatic detection circuit also includes voltage-stabiliser tube；The plus earth of the voltage-stabiliser tube, its negative pole access institute
The one end connected in the second divider resistance with the first divider resistance is stated, and leads to the test control end.By examining automatically
Voltage-stabiliser tube is set up in slowdown monitoring circuit, the stability of circuit output voltage is improved, with voltage protection effect.
Further, the automatic detection circuit also includes the RC filter circuits being made up of a resistance and a filter capacitor；Institute
The negative pole that resistance one end is stated with the voltage-stabiliser tube connects, and the other end leads to the survey after connecting with one end of the filter capacitor
Try control end；The other end ground connection of the filter capacitor.By limiting herein, be conducive to advanced to the signal for being output to controller
Row filtering process, reduces interference.
Further, the Key pad port drive circuit includes the first drive circuit；First drive circuit includes first
Input resistance, the second input resistance, the first triode, the first controllable silicon optocoupler and the first current-limiting resistance；
Described first input resistance one end is the signal input part electrically connected with the controller output end, other end access
The base stage of first triode；
Second input resistance is connected in parallel between the base stage of first triode and emitter stage；
First transistor emitter accesses the power output end of the power module, its colelctor electrode access described first
The anode of the light emitting diode of controllable silicon optocoupler；
The negative electrode of the light emitting diode of the first controllable silicon optocoupler is grounded by first current-limiting resistance, and institute
Two main electrodes for stating the controllable silicon of the first controllable silicon optocoupler are respectively button output end and button control output end.
Push button signalling is realized by the above-mentioned structure qualification to Key pad port drive circuit, and using controllable silicon optocoupler
With the output of button control signal, be conducive to improving the stability of output signal and reduce the interference of other signals.
Further, the Key pad port drive circuit also includes driving electricity with the first driving circuit structure identical second
Road；Second drive circuit includes the 3rd input resistance, the 4th input resistance, the second triode, the second controllable silicon optical coupler
Part and the second current-limiting resistance；
Described 3rd input resistance one end is the signal input part electrically connected with the controller output end, other end access
The base stage of second triode；
4th input resistance is connected in parallel between the base stage of second triode and emitter stage；
Second transistor emitter accesses the power output end of the power module, its colelctor electrode access described second
The anode of the light emitting diode of controllable silicon optocoupler；
The negative electrode of the light emitting diode of the second controllable silicon optocoupler is grounded by second current-limiting resistance, and institute
Two main electrodes for stating the controllable silicon of the second controllable silicon optocoupler are respectively button output end and button control output end.
By the above-mentioned further restriction to Key pad port drive circuit, Key pad port drive circuit is set to include structure identical
The first drive circuit and the second drive circuit so that the key-press input port number in tested display drive control circuit is more
In the case of, it can be realized and be pressed to more in display drive control circuit using the first drive circuit and the second drive circuit simultaneously
The control of key input port, so as to further meet the control needs of multiport.
Further, the display driving Port detecting circuit includes the first detection circuit；The first detection circuit includes
First optocoupler and first resistor；
The anode of the light emitting diode of first optocoupler is drive control input, and negative electrode is driving signal input；
And the colelctor electrode of the phototriode of first optocoupler connect with one end of the first resistor after lead to and the control
The detection signal output part of device electrical connection, and its grounded emitter；
The other end of the first resistor accesses the power output end of the power module.
By the above-mentioned restriction for driving Port detecting circuit to display, using optocoupler show input signal and output signal it
Between transmission, be conducive to strengthening the stability of output signal, and interference of other irrelevant signals to output signal reduced, so as to enter
One step improves the precision for the detection signal being output in controller, is conducive to the raising of the testing result of controller.
Further, the display driving Port detecting circuit also includes detecting with the first detection circuit structure identical second
Circuit；The second detection circuit includes the second optocoupler and second resistance；
The anode of the light emitting diode of second optocoupler is drive control input, and negative electrode is driving signal input；
And the colelctor electrode of the phototriode of second optocoupler connect with one end of the second resistance after lead to and the control
The detection signal output part of device electrical connection, and its grounded emitter；
The other end of the second resistance accesses the power output end of the power module.
By driving the further restriction of Port detecting circuit to display, be conducive to display drive output mouthful quantity compared with
In the case of many, while meeting the detection of all display drive outputs mouthful to being tested display drive control circuit, further
Improve detection efficiency and meet the detection application of Multi-displayer port.
Further, the automatic testing equipment of the utility model toilet bowl top cover connecting plate display drive control circuit also include with
The LCD display of the controller electrical connection；The controller detects the inspection of circuit according to the described first detection circuit and second
The frequency for surveying the signal of signal output part output obtains the display circuit drive output mouthful of tested display drive control circuit and is
No normal judged result, and according to the display content of the judged result control LCD display.By limiting herein,
Be conducive to clear and intuitively learn testing result.
Further, the automatic testing equipment of the utility model toilet bowl top cover connecting plate display drive control circuit also includes red
Outer remote control and infrared remote receiver；The infrared remote receiver is electrically connected with the controller, and its reception is sent by IR remote controller
Remote signal, and send to the controller, by the controller according to the remote signal to tested display drive control electricity
Road carries out loop test.By setting herein, be conducive to enabling the controller to according to remote signal to tested display drive control
Circuit carries out loop test, the need for meeting burn-in test.
In order to more fully understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the automatic testing equipment of the utility model toilet bowl top cover connecting plate display drive control circuit
Figure；
Fig. 2 be Fig. 1 in toilet bowl top cover connecting plate display drive control circuit automatic testing equipment partial perspective knot
Structure schematic diagram；
Fig. 3 is the electrical block diagram of Automatic Detection and Control circuit of the present utility model；
Fig. 4 is the electrical block diagram of Key pad port drive circuit of the present utility model；
Fig. 5 drives the electrical block diagram of Port detecting circuit for display of the present utility model；
Fig. 6 is realized to tested for the automatic testing equipment of the utility model toilet bowl top cover connecting plate display drive control circuit
The local wiring schematic diagram of the test of display drive control circuit.
Embodiment
Fig. 1 and Fig. 2 are referred to, the utility model provides oneself of a kind of toilet bowl top cover connecting plate display drive control circuit
Dynamic test device, it includes electrical box 1, is packaged in electrical box 1 and is arranged at the electricity of the Automatic Detection and Control on same circuit board 2
Road, controller, Key pad port drive circuit, display driving Port detecting circuit and power module, and LCD display 3.It is described
The input of Automatic Detection and Control circuit, the output end of Key pad port drive circuit, the input of display driving Port detecting circuit
The power output end of end and power module leads to the outer surface of electrical box 1 by wire respectively, and respectively at the outer surface of electrical box 1
Middle formation electrical interface.The LCD display 3 is electrically connected with the controller, and is controlled by the controller, and the LCD is shown
Screen 3 is embedded at the outer surface of electrical box 1.
Specifically, the power module be the Automatic Detection and Control circuit, it is controller, Key pad port drive circuit, aobvious
Show that driving Port detecting circuit and tested display drive control circuit are powered.In the present embodiment, the power module is output
Power supply is the Switching Power Supply of 5V dc sources, and the power output end of the power module forms electrical interface a in the surface of electrical box 1,
Its power input can be led to outside electrical box 1 by wire and be packaged into plug.
Specifically, referring to Fig. 3, the output end of the Automatic Detection and Control circuit 4 is electrically connected with the controller, it is used for
Control the working condition of the controller.In the present embodiment, the Automatic Detection and Control circuit 4 includes the first access terminal
In1, the second access terminal in2, the 3rd access terminal in3, the first divider resistance R6, the second divider resistance R10, voltage-stabiliser tube ZD1,
And the RC filter circuits being made up of a resistance R5 and a filter capacitor C21.The first access terminal in1 is grounded and in electrical box
1 outer surface forms electrical interface b；The second access terminal in2 accesses the first divider resistance R6 and the second divider resistance R10 simultaneously
One end, and the second access terminal in2 forms electrical interface c in the outer surface of electrical box 1；The 3rd access terminal in3 accesses institute
The power output end of power module is stated, and the 3rd access terminal in3 forms electrical interface d in the outer surface of electrical box 1；Described first point
With the second access terminal in2 one end connected while accessing terminal with second in the second divider resistance R10 of access in piezoresistance R6
One end that in2 connects, the other end accesses the power output end of the power module；With first in the second divider resistance R10
The negative pole of the voltage-stabiliser tube ZD1, other end ground connection are accessed in one end that divider resistance R6 connects；The positive pole of the voltage-stabiliser tube ZD1 connects
Ground；Described resistance R5 one end connects with the negative pole of the voltage-stabiliser tube ZD1, and the other end connects with one end of the filter capacitor C21
The test control end electrically connected with the controller is led to afterwards；The other end ground connection of the filter capacitor C21.
In the present embodiment, the resistance of the first divider resistance R6 is 10K Ω, the resistance of the second divider resistance R10
It is worth for 100K Ω, the resistance that the voltage-stabiliser tube ZD1 is the voltage-stabiliser tube ZD1, the resistance R5 of ISMB5920B models is 1K Ω, institute
The capacitive reactance for stating filter capacitor C21 is 1000pF.
Specifically, referring to Fig. 4, the Key pad port drive circuit 5 is used to provide for tested display drive control circuit
Key-press input signal.In the present embodiment, the Key pad port drive circuit 5 includes the He of the first drive circuit of structure identical 51
Second drive circuit 52.
First drive circuit 51 include the first input resistance R21, the second input resistance R22, the first triode Q20,
First controllable silicon optocoupler PTK3 and the first current-limiting resistance R20.Described first input resistance R21 one end is and the controller
The signal input part of output end electrical connection, the other end accesses the base stage of the first triode Q20；Second input resistance
R22 is connected in parallel between the base stage of the first triode Q20 and emitter stage；The first triode Q20 emitter stages access
The power output end of the power module, its colelctor electrode accesses the light emitting diode of the first controllable silicon optocoupler PTK3
Anode；The negative electrode of the light emitting diode of the first controllable silicon optocoupler PTK3 is grounded by the first current-limiting resistance R20,
And two main electrodes of the controllable silicon of the first controllable silicon optocoupler PTK3 are respectively button output end and exported by key control
Hold, and the first controllable silicon optocoupler PTK3 button output end and button control output end are formed respectively at the surface of electrical box 1
Electrical interface e and f.
In the present embodiment, the resistance of the first input resistance R21 is 1K Ω, the resistance of the second input resistance R22
It is worth for 10K Ω, the first triode Q20 is the triode of 2N6036 models, the first controllable silicon optocoupler PTK3 is
The controllable silicon optocoupler of TLP665J models, the resistance of the first current-limiting resistance R20 is 220 Ω.
Second drive circuit 52 include the 3rd input resistance R26, the 4th input resistance R25, the second triode Q10,
Second controllable silicon optocoupler PTK4 and the second current-limiting resistance R27.Described 3rd input resistance R26 one end is and the controller
The signal input part of output end electrical connection, the other end accesses the base stage of the second triode Q10；4th input resistance
R25 is connected in parallel between the base stage of the second triode Q10 and emitter stage；The second triode Q10 emitter stages access
The power output end of the power module, its colelctor electrode accesses the light emitting diode of the second controllable silicon optocoupler PTK4
Anode；The negative electrode of the light emitting diode of the second controllable silicon optocoupler PTK4 is grounded by the second current-limiting resistance R27,
And two main electrodes of the controllable silicon of the second controllable silicon optocoupler PTK4 are respectively button output end and exported by key control
Hold, and the second controllable silicon optocoupler PTK4 button output end and button control output end are formed respectively at the surface of electrical box 1
Electrical interface g and h.
In the present embodiment, the resistance of the 3rd input resistance R26 is 1K Ω, the resistance of the 4th input resistance R25
It is worth for 10K Ω, the second triode Q10 is the triode of 2N6036 models, the second controllable silicon optocoupler PTK4 is
The controllable silicon optocoupler of TLP665J models, the resistance of the second current-limiting resistance R27 is 220 Ω.
Specifically, referring to Fig. 5, the input of the display driving Port detecting circuit 6 drives for accessing tested display
Dynamic control circuit, its output end is electrically connected with the controller, by the controller according to display driving Port detecting circuit 6
The tested display drive control circuit of output signal detection.In the present embodiment, the display driving Port detecting circuit 6 includes knot
The detection detection circuit 62 of circuit 61 and second of structure identical first.
The first detection circuit 61 includes the first optocoupler PC10 and first resistor R24.The hair of the first optocoupler PC10
The anode of optical diode is drive control input and forms electrical interface i in the surface of electrical box 1, and negative electrode is driving signal input
And electrical interface j is formed in the surface of electrical box 1, electrically connected with the display driving port of tested display drive control circuit.And institute
State the first optocoupler PC10 phototriode colelctor electrode connect with one end of the first resistor R24 after lead to and the control
The detection signal output part of device electrical connection processed, and its grounded emitter.The other end of the first resistor R24 accesses the power supply
The power output end of module.
In the present embodiment, the first optocoupler PC10 is the optocoupler of PC817 models, the first resistor R24's
Resistance is 10K Ω.
The second detection circuit 62 includes the second optocoupler PC20 and second resistance R30.The hair of the second optocoupler PC20
The anode of optical diode is drive control input and forms electrical interface k in the surface of electrical box 1, and negative electrode is driving signal input
And electrical interface m is formed in the surface of electrical box 1, electrically connected with the display driving port of tested display drive control circuit.And institute
State the second optocoupler PC20 phototriode colelctor electrode connect with one end of the second resistance R30 after lead to and the control
The detection signal output part of device electrical connection processed, and its grounded emitter.The other end of the second resistance R30 accesses the power supply
The power output end of module.
In the present embodiment, the second optocoupler PC20 is the optocoupler of PC817 models, the second resistance R30's
Resistance is 10K Ω.
Specifically, the controller controls the Key pad port according to the input signal of the Automatic Detection and Control circuit 4
The working condition of drive circuit 5.In the present embodiment, the controller is ATMEGA128 single-chip microcomputers, its PE6 port access institute
Test control end is stated, its PE3 port and PE4 ports are respectively connected to the letter of the drive circuit 52 of the first drive circuit 51 and second
Number input, the detection signal that itself PF1 and PF0 port is respectively connected to the first detection circuit 61 and second detection circuit 62 is defeated
Go out end, its DIO port, CLK ports and STB ports form electrical interface n, o and p respectively at the surface of electrical box 1.It is real in other deformations
Apply in example, the controller can also be the single-chip microcomputer of other models, as long as its application in the utility model can be met i.e.
Can.The square wave that the controller is exported according to the detection signal output part of the described first detection detection circuit 62 of circuit 61 and second
The frequency of signal obtain tested display drive control circuit display circuit drive output mouthful whether normal judged result, and
The display content of the LCD display 3 is controlled according to the judged result.When controller judges to obtain inputting the square wave letter in it
Number frequency when being located in normal range (NR), then it represents that tested display drive control circuit is normal, so as to control LCD display 3
Display content is " PASS "；When controller judgement obtains inputting the frequency of the square-wave signal in it not in normal range (NR),
Then represent that tested display drive control circuit is abnormal, so as to control the display content of LCD display 3 for " ERRO " or show event
The reason for barrier.
Further, for convenience of burn-in test, a kind of more excellent technical scheme, the utility model toilet bowl top cover connecting plate are used as
The automatic testing equipment of display drive control circuit also includes IR remote controller and infrared remote receiver.The infrared remote receiver and institute
Controller electrical connection is stated, it receives the remote signal sent by IR remote controller, and sends to the controller, by the control
Device carries out loop test according to the remote signal to tested display drive control circuit.
Illustrate the test of the automatic testing equipment of the utility model toilet bowl top cover connecting plate display drive control circuit below
The course of work：
Please refer to Fig. 3~6, using the display drive control circuit of toilet bowl top cover connecting plate as the LED of TM1629 models
Illustrate automatic test philosophy of the present apparatus to the tested display drive control circuit exemplified by drive control circuit：
First, by tested display drive control circuit I1 port SEG2, SEG4, SEG6, SEG8 and the first drive circuit
51 electrical interface e connect, and port SEG1, SEG3, SEG5, SEG7 connect with electrical interface g, port K2 and K3 respectively with electrical interface f and h
Connect, port SEG10 and SEG9 connect with electrical interface i and k respectively, and port GRID2, GRID4, GRID6 connect with electrical interface j,
Port GRID1, GRID3, GRID5, GRID7 connect with electrical interface m, and port DIN and DOUT connects with electrical interface n simultaneously, port
SCLK connects with electrical interface o, and port STB connects with electrical interface p, and power input port connects with electrical interface a.Thus complete tested
Display drive control circuit I1 (TM1629) is connected with the circuit of the present apparatus.
Then, power-on module, and short circuit electrical interface b and c, now the PE6 ports of controller receive low level letter
Number, so that thus controller judges to start to test tested display drive control circuit I1.Now, controller is controlled
Its port PE3 and PE4 export analogue-key signal respectively, pass through the first controllable silicon optocoupler in the first drive circuit 51
The second controllable silicon optocoupler PTK4 in PTK3 and the second drive circuit 52 realizes button opening and closing function, thus makes push button signalling
Transmit to tested display drive control circuit I1.Then, display drive control circuit I1 is tested just according to the input of push button signalling
And control its port SEG1~SEG10 and GRID1~GRID7 to export corresponding signal, and port SEG1~SEG10 and GRID1
The corresponding signal of~GRID7 outputs detects that the detection signal output part of circuit 62 feeds back by the first detection circuit 61 and second
Into the controller, and the signal being input in the controller is square-wave signal, then now the controller is to judge
Whether the frequency of the square-wave signal is located at normal frequency scope.When controller judge obtain input its in square-wave signal frequency
When in normal range (NR), then it represents that tested display drive control circuit I1 is normal, so as to control in the display of LCD display 3
Hold for " PASS "；When controller judgement obtains inputting the frequency of the square-wave signal in it not in normal range (NR), then it represents that
Tested display drive control circuit I1 is abnormal, so as to control the display content of LCD display 3 for " ERRO " or show out of order
Reason.It is achieved in the test to being tested display drive control circuit I1.
When needing to carry out burn-in test, by controlling IR remote controller to send remote signal to infrared remote receiver, then by
Infrared remote receiver sends a command to the controller, you can realize the controller according to the tested display drive control electricity of the instruction
Road I1 carries out loop test.
In addition, the utility model also has other variant embodiments, such as：
1) structure of electrical box 1 is deleted, is directly arranged at each circuit and power module on same circuit board or different
On circuit board.
2) structure of automatic detection circuit is changed, for example, deleting the RC filter circuits in automatic detection circuit, now, surely
Pressure pipe ZD1 negative pole draws conduct behind the one end connected in accessing the second divider resistance R10 with the first divider resistance R6
The test control end.
3) structure of automatic detection circuit is changed, for example, deleting the RC filter circuits and voltage-stabiliser tube in automatic detection circuit
ZD1, now, the test control end is led in the second divider resistance R10 with the first divider resistance R6 one end connected.
4) structure of Key pad port drive circuit 5 is changed, that is, Key pad port drive circuit 5 only includes the first driving electricity
Road 51 only includes the second drive circuit 52.
5) structure of display driving Port detecting circuit 6 is changed, that is, display driving Port detecting circuit 6 only includes the
One detection circuit 61 only includes the second detection circuit 62.
6) substitute LCD display 3 with alarm or set up alarm.The alarm is electrically connected with the controller, and by institute
State controller and its working condition is controlled according to judged result.That is, when tested display drive control circuit is normal, alarm is not reported
It is alert, otherwise, alarm sounding alarm.Or, pass through the tested display driving control of the frequency representation for changing the sound that alarm is sent
Circuit processed it is normal and abnormal, that is, when tested display drive control circuit is normal, by controller with first frequency control
Alarm sounding alarm, and when tested display drive control circuit is abnormal, by controller with second more than first frequency
FREQUENCY CONTROL alarm sounding alarm, so as to realize the alarm respectively under normal and abnormal conditions.
Relative to prior art, the automatic testing equipment of the utility model toilet bowl top cover connecting plate display drive control circuit
Can be realized after wiring to intelligent closestool partial circuit --- LCD display drive control circuits enters automatically in top cap fishplate bar
Row fault detect, it is not necessary to again by technical staff carry out manual testing, substantially increase detection efficiency and detection it is easy to operate
Property, and so that user can be voluntarily that can be achieved to show the LCD of toilet bowl top cover connecting plate drive control electricity using the present apparatus
The detection on road, facilitates periodic detection of the user to intelligent closestool, also reduces the maintenance cost of user.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.
Claims (10)
1. a kind of automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit, it is characterised in that：Including automatic inspection
Observing and controlling circuit, controller, Key pad port drive circuit, display driving Port detecting circuit and power module；
The output end of the Automatic Detection and Control circuit is electrically connected with the controller, the work shape for controlling the controller
State；
The controller controls the work of the Key pad port drive circuit according to the input signal of the Automatic Detection and Control circuit
Make state；
The Key pad port drive circuit is used to provide key-press input signal for tested display drive control circuit；
The input of the display driving Port detecting circuit is used to access tested display drive control circuit, its output end and institute
Controller electrical connection is stated, the tested display driving of the output signal detection of Port detecting circuit is driven according to display by the controller
Control circuit；
The power module is the Automatic Detection and Control circuit, controller, Key pad port drive circuit, display driving port inspection
Slowdown monitoring circuit and tested display drive control circuit are powered.
2. the automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit according to claim 1, its feature
It is：The automatic detection circuit includes the first access terminal, the second access terminal, the 3rd access terminal, the first divider resistance
With the second divider resistance；
The first access terminal ground；
The second access terminal accesses one end of the first divider resistance and the second divider resistance simultaneously；
The 3rd access terminal accesses the power output end of the power module；
The one end connected in first divider resistance with the second access terminal connects while accessing in the second divider resistance with second
Enter one end that terminal connects, the other end accesses the power output end of the power module；
The one end connected in second divider resistance with the first divider resistance leads to the test electrically connected with the controller
Control end, other end ground connection.
3. the automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit according to claim 2, its feature
It is：The automatic detection circuit also includes voltage-stabiliser tube；The plus earth of the voltage-stabiliser tube, its negative pole accesses second partial pressure
The one end connected in resistance with the first divider resistance, and lead to the test control end.
4. the automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit according to claim 3, its feature
It is：The automatic detection circuit also includes the RC filter circuits being made up of a resistance and a filter capacitor；
Described resistance one end connects with the negative pole of the voltage-stabiliser tube, and the other end is led to after connecting with one end of the filter capacitor
The test control end；
The other end ground connection of the filter capacitor.
5. the automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit according to claim 1, its feature
It is：The Key pad port drive circuit includes the first drive circuit；First drive circuit includes the first input resistance, the
Two input resistances, the first triode, the first controllable silicon optocoupler and the first current-limiting resistance；
Described first input resistance one end is the signal input part electrically connected with the controller output end, and other end access is described
The base stage of first triode；
Second input resistance is connected in parallel between the base stage of first triode and emitter stage；
First transistor emitter accesses the power output end of the power module, and its colelctor electrode access described first is controllable
The anode of the light emitting diode of silicon optocoupler；
The negative electrode of the light emitting diode of the first controllable silicon optocoupler is grounded by first current-limiting resistance, and described
Two main electrodes of the controllable silicon of one controllable silicon optocoupler are respectively button output end and button control output end.
6. the automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit according to claim 5, its feature
It is：The Key pad port drive circuit also includes and first the second drive circuit of driving circuit structure identical；Described second
Drive circuit includes the 3rd input resistance, the 4th input resistance, the second triode, the second controllable silicon optocoupler and the second current limliting
Resistance；
Described 3rd input resistance one end is the signal input part electrically connected with the controller output end, and other end access is described
The base stage of second triode；
4th input resistance is connected in parallel between the base stage of second triode and emitter stage；
Second transistor emitter accesses the power output end of the power module, and its colelctor electrode access described second is controllable
The anode of the light emitting diode of silicon optocoupler；
The negative electrode of the light emitting diode of the second controllable silicon optocoupler is grounded by second current-limiting resistance, and described
Two main electrodes of the controllable silicon of two controllable silicon optocouplers are respectively button output end and button control output end.
7. the automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit according to claim 1, its feature
It is：The display driving Port detecting circuit includes the first detection circuit；It is described first detection circuit include the first optocoupler and
First resistor；
The anode of the light emitting diode of first optocoupler is drive control input, and negative electrode is driving signal input；And institute
State the phototriode of the first optocoupler colelctor electrode connect with one end of the first resistor after lead to and the controller electricity
The detection signal output part of connection, and its grounded emitter；
The other end of the first resistor accesses the power output end of the power module.
8. the automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit according to claim 7, its feature
It is：The display driving Port detecting circuit also includes detecting circuit with the first detection circuit structure identical second；It is described
Second detection circuit includes the second optocoupler and second resistance；
The anode of the light emitting diode of second optocoupler is drive control input, and negative electrode is driving signal input；And institute
State the phototriode of the second optocoupler colelctor electrode connect with one end of the second resistance after lead to and the controller electricity
The detection signal output part of connection, and its grounded emitter；
The other end of the second resistance accesses the power output end of the power module.
9. the automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit according to claim 8, its feature
It is：Also include the LCD display electrically connected with the controller；The controller is according to the described first detection circuit and second
The display circuit that the frequency of the signal of the detection signal output part output of detection circuit obtains tested display drive control circuit drives
The whether normal judged result of dynamic output port, and according to the display content of the judged result control LCD display.
10. the automatic test dress of the toilet bowl top cover connecting plate display drive control circuit according to any one of claim 1~9
Put, it is characterised in that：Also include IR remote controller and infrared remote receiver；The infrared remote receiver is electrically connected with the controller,
It receives the remote signal sent by IR remote controller, and sends to the controller, is believed by the controller according to the remote control
Number loop test is carried out to tested display drive control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027796.9U CN206479835U (en) | 2017-01-11 | 2017-01-11 | The automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027796.9U CN206479835U (en) | 2017-01-11 | 2017-01-11 | The automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479835U true CN206479835U (en) | 2017-09-08 |
Family
ID=59753527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720027796.9U Expired - Fee Related CN206479835U (en) | 2017-01-11 | 2017-01-11 | The automatic testing equipment of toilet bowl top cover connecting plate display drive control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479835U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417251A (en) * | 2019-07-09 | 2019-11-05 | 广东美的制冷设备有限公司 | Pfc circuit and air conditioner |
| CN112595959A (en) * | 2020-12-12 | 2021-04-02 | 江西洪都航空工业集团有限责任公司 | Intelligent closestool controller detection method |
| CN114265342A (en) * | 2021-11-10 | 2022-04-01 | 三门康创电子科技有限公司 | Acquisition card control circuit, production line detection system and control method |
-
2017
- 2017-01-11 CN CN201720027796.9U patent/CN206479835U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417251A (en) * | 2019-07-09 | 2019-11-05 | 广东美的制冷设备有限公司 | Pfc circuit and air conditioner |
| WO2021004451A1 (en) * | 2019-07-09 | 2021-01-14 | 广东美的制冷设备有限公司 | Pfc circuit and air conditioner |
| CN112595959A (en) * | 2020-12-12 | 2021-04-02 | 江西洪都航空工业集团有限责任公司 | Intelligent closestool controller detection method |
| CN114265342A (en) * | 2021-11-10 | 2022-04-01 | 三门康创电子科技有限公司 | Acquisition card control circuit, production line detection system and control method |
| CN114265342B (en) * | 2021-11-10 | 2024-04-16 | 三门康创电子科技有限公司 | Acquisition card control circuit, production line detection system and control method |
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Granted publication date: 20170908 |