CN206563776U - The automatic testing equipment of closestool drying unit - Google Patents
The automatic testing equipment of closestool drying unit Download PDFInfo
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- CN206563776U CN206563776U CN201720027827.0U CN201720027827U CN206563776U CN 206563776 U CN206563776 U CN 206563776U CN 201720027827 U CN201720027827 U CN 201720027827U CN 206563776 U CN206563776 U CN 206563776U
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- 238000001035 drying Methods 0.000 title claims abstract description 55
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 87
- 239000003990 capacitor Substances 0.000 claims description 73
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 46
- 229910052710 silicon Inorganic materials 0.000 claims description 46
- 239000010703 silicon Substances 0.000 claims description 46
- 238000005276 aerator Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000737 periodic effect Effects 0.000 abstract description 4
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- 238000010586 diagram Methods 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model is related to a kind of automatic testing equipment of closestool drying unit, including control circuit for heater, thermistor detection circuit, controller and power module；Control circuit for heater is used for the working condition for controlling tested heater；Thermistor detection circuit is used to detect tested heater, and exports detection signal to the controller；Controller is used for the working condition for controlling the control circuit for heater, and judges the whether normal of tested heater according to the detection signal.Thus the utility model can be realized after wiring carries out fault detect automatically to the drying unit of intelligent closestool, manual testing need not be carried out by technical staff again, substantially increase the ease for operation of detection efficiency and detection, and cause user to be voluntarily that the detection to closestool drying unit can be achieved using the present apparatus, periodic detection of the user to intelligent closestool is facilitated, the maintenance cost of user is also reduced.
Description
Technical field
The utility model is related to the detection field of closestool drying unit, more particularly to a kind of closestool drying unit it is automatic
Test device.
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 provides a kind of the automatic of closestool drying unit
Test device, can realize after wiring and carry out fault detect automatically to the drying unit of intelligent closestool, it is not necessary to pass through skill again
Art personnel carry out manual testing, substantially increase the ease for operation of detection efficiency and detection, and so that user can voluntarily answer
It is that the detection to closestool drying unit can be achieved with the present apparatus, facilitates periodic detection of the user to intelligent closestool, also reduce
The maintenance cost of user.
A kind of automatic testing equipment of closestool drying unit, including control circuit for heater, thermistor detection circuit, control
Device and power module processed；
The control circuit for heater is used for the working condition for controlling tested heater；
The thermistor detection circuit is used to detect tested heater, and exports detection signal to the controller；
The controller is used for the working condition for controlling the control circuit for heater, and is judged according to the detection signal
It is tested the whether normal of heater；
The power module is respectively that the control circuit for heater and thermistor detection circuit are powered.
Thus, it is that can be achieved to survey the heater of the drying unit of intelligent closestool automatically by using foregoing circuit
Examination, it is not necessary to carry out manual testing by technical staff again, substantially increases the ease for operation of detection efficiency and detection, also,
So that user voluntarily can realize the detection that the drying unit red to closestool is carried out using the present apparatus, user is facilitated to intelligence
The periodic detection of closestool, also reduces the maintenance cost of user.
Further, the control circuit for heater includes switching signal circuit, the first controllable silicon, the first current-limiting resistance, filter
Wave circuit, first lead-out terminal and the second lead-out terminal；
The input of the switching signal circuit is electrically connected with the signal output part of the controller；
The control pole of first controllable silicon is electrically connected with a wherein lead-out terminal for the switching signal circuit, the first master
Electrode is electrically connected by first current-limiting resistance with another lead-out terminal of the switching signal circuit；
Electrically connected after one end access power firestreak of the filter circuit with the second main electrode of first controllable silicon, separately
One end is electrically connected with the first main electrode of first controllable silicon, and leads to the first lead-out terminal；
Second lead-out terminal is drawn by the electric wire of access zero-power line to be formed.
By the above-mentioned structure qualification to control circuit for heater, be conducive to ensureing to the steady of the heater of drying unit
Surely while control, it is ensured that the optimization of circuit structure and most simplified.
Further, the switching signal circuit includes triode, controllable silicon optocoupler and switch current-limiting resistance；
The base stage of the triode accesses the signal output part of the controller, and emitter stage accesses the electricity of the power module
Source output terminal, colelctor electrode accesses the anode of the light emitting diode of the controllable silicon optocoupler；
The negative electrode of the light emitting diode of the controllable silicon optocoupler is grounded by switching current-limiting resistance, and the controllable silicon
A wherein main electrode for the controllable silicon of optocoupler is electrically connected with the control pole of first controllable silicon, and another main electrode passes through institute
The first main electrode that the first current-limiting resistance is stated with first controllable silicon is electrically connected.
By the above-mentioned restriction to switching signal circuit, weak current part and strong power part that can well to circuit be carried out
Preferably isolate, the stability and reduction for further improving the work of two parts circuit are disturbed.
Further, the filter circuit includes being sequentially connected in series the first filter capacitor connected, the first filter resistance and second
Filter resistance；In first filter capacitor after the other end relative with one end that the first filter resistance is concatenated access power firestreak
Electrically connected with the second main electrode of first controllable silicon；The one end concatenated in second filter resistance with the first filter resistance
The relative other end is electrically connected with the first main electrode of first controllable silicon, and leads to the first lead-out terminal.Pass through
Restriction to filter circuit, is conducive to the interference signal of filtering circuit.
Further, the first main electrode of first controllable silicon passes sequentially through second limit concatenated with the first current-limiting resistance
Leakage resistance and the first current-limiting resistance are electrically connected with another main electrode of the controllable silicon of the controllable silicon optocoupler.By limiting herein
It is fixed, be conducive to further enhancing the interference signal filtration result of circuit.
Further, thermistor detection circuit includes the first access terminal, the second access terminal, compensation resistance, the
Three current-limiting resistances and the second filter capacitor；
The first access terminal and the second access terminal are used for the two ends for accessing tested thermistor, and the first incoming end
The sub power output end with the power module is electrically connected；
Described compensation resistance one end is electrically connected with the described second access terminal, other end ground connection；
Described 3rd current-limiting resistance one end is electrically connected with the described second access terminal, the other end and second filter capacitor
One end electrical connection after electrically connected with the signal input part of the controller；
The other end ground connection of second filter capacitor.
By detecting the restriction of circuit to thermistor, while having advantageously ensured that the accuracy rate of testing result, make electricity
Line structure more simplifies and optimized.
Further, the automatic testing equipment of the utility model closestool drying unit also includes blower fan current detection circuit；Institute
State the working condition that blower fan current detection circuit is used to detect tested blower fan, output aerator supervision signal to the controller.It is logical
Cross and set up blower fan current detection circuit, be conducive to detecting for drying unit more fully hereinafter to intelligent closestool, realize logical
The whether normal detection that thermistor, blower fan to drying unit are can be realized as using the present apparatus is crossed, is thus further carried
High detection performance is comprehensive with detection.
Further, the blower fan current detection circuit includes the 3rd filter capacitor, the 3rd filter resistance, the 4th current limliting electricity
Resistance, Darlington transistor, precision resistance, the 4th filter resistance, the 4th filter capacitor and protection diode；
The positive pole of 3rd filter capacitor electrically connects with the power output end of the power module and draws formation first
Blower fan accesses terminal；
Described 3rd filter resistance one end is electrically connected with the negative pole of the 3rd filter capacitor, and the other end draws to form the second blower fan
Access terminal；
Described 4th current-limiting resistance one end is electrically connected with the controller, and the base stage of the other end and the Darlington transistor is electrically connected
Connect；
The colelctor electrode of the Darlington transistor and one end electricity that the second blower fan access terminal is formed in the 3rd filter resistance
Connection, emitter stage is electrically connected with one end of the precision resistance；
The other end ground connection of the precision resistance；
Described 4th filter resistance one end is electrically connected between the emitter stage of the Darlington transistor and the precision resistance, separately
One end is electrically connected with the positive pole of the 4th filter capacitor；
The negative pole ground connection of 4th filter capacitor；
The negative electrode of the protection diode is electrically connected after being electrically connected with the 4th filter capacitor negative pole with the controller,
To export aerator supervision signal, and the plus earth of protection diode.
By the above-mentioned restriction to blower fan current detection circuit, be conducive to ensureing the accuracy rate to the result of aerator supervision
While further reach the purpose for the circuit structure for optimizing and simplifying blower fan current detection circuit so that reduce production cost and
Reduce the difficulty that circuit is manufactured.
Further, the blower fan current detection circuit also includes being electrically connected between the 4th filter capacitor and protection diode
The 5th filter resistance, the 5th filter capacitor, the 6th filter resistance and the 6th filter capacitor；
The positive pole and the 5th filter capacitor of the two ends of 5th filter resistance respectively with the 4th filter capacitor
Positive pole electrical connection；
The negative pole ground connection of 5th filter capacitor；
The positive pole and the 6th filter capacitor of the two ends of 6th filter resistance respectively with the 5th filter capacitor
Positive pole electrical connection；
The two ends of 6th filter capacitor are electrically connected with the negative electrode and anode of the protection diode respectively, and the guarantor
Protect the negative pole of anode, the negative pole of the 5th filter capacitor, the 4th filter capacitor of diode altogether.
By the above-mentioned further restriction to blower fan current detection circuit, the anti-interference of circuit and filtering further enhancing
Performance, and being further amplified to aerator supervision signal, thus be more beneficial for controller to the processing of aerator supervision signal and
Judge.
Further, the automatic testing equipment of the utility model closestool drying unit also includes the LCD being electrically connected with the controller
Display screen；And the control circuit for heater, thermistor detection circuit, controller and power module are packaged in same electrical box
In, and incoming end and output end, the thermistor of control circuit for heater detect the incoming end of circuit respectively at electrical box appearance
Corresponding electrical interface is formed in face；The LCD display is embedded at the electric box outer surfac.By LCD display, be conducive to
Controller will directly handle obtained judgment result displays in LCD display, so that test result is more simple and clear；It is logical
The setting of electrical box is crossed, is conducive to all circuits and external environs of the present apparatus, it is to avoid external environment condition is caused to circuit
Influence, and be conducive to water proof and dust proof, so as to extend the service life of circuit to a certain extent.
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 closestool drying unit；
Fig. 2 be Fig. 1 in closestool drying unit automatic testing equipment partial structurtes perspective view；
Fig. 3 is the electrical block diagram of control circuit for heater in the utility model；
Fig. 4 is the electrical block diagram of thermistor detection circuit in the utility model；
Fig. 5 is the electrical block diagram of the electromechanical current detection circuit of the utility model apoplexy.
Embodiment
Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of automatic testing equipment of closestool drying unit, and it includes
Electrical box 1, control circuit for heater, thermistor detection circuit, blower fan current detection circuit, controller, the and of LCD display 6
Power module.The heater controller circuit, thermistor detection circuit, blower fan current detection circuit, controller and power supply
Module is arranged on same circuit board C and is packaged in the electrical box 1.And the incoming end of the control circuit for heater and defeated
Go out end, incoming end, the incoming end of blower fan current detection circuit of thermistor detection circuit to be formed respectively at the outer surface of electrical box 1
Corresponding electrical interface.The LCD display 6 is embedded at the outer surface of electrical box 1.
Specifically, the power output end of the power module is detected with the control circuit for heater, thermistor respectively
Circuit, controller, blower fan current detection circuit, the DC supply input electrical connection of LCD display 6, think heater control
Circuit, thermistor detection circuit, controller, blower fan current detection circuit and LCD display 6 are powered.In the present embodiment, institute
State power module include respectively by 220V or 10V mains supply change into 5V and 12V dc sources first switch power supply and
Second switch power supply.And the power input of first switch power supply and second switch power supply is led to outside electrical box 1 by wire
And be packaged into attaching plug respectively or be packaged into an attaching plug jointly.
Referring to Fig. 3, specifically, the control circuit for heater 2 is used for the heater for controlling tested closestool drying unit
Working condition.In the present embodiment, the control circuit for heater 2 includes switching signal circuit, the first controllable silicon T2, first
Current-limiting resistance R2, the second current-limiting resistance R3, filter circuit, first lead-out terminal o1 and the second lead-out terminal o2.The switch letter
The input of number circuit is electrically connected with the signal output part of the controller.The control pole of the first controllable silicon T2 is opened with described
The wherein lead-out terminal electrical connection of OFF signal circuit, the first main electrode passes through the first current-limiting resistance R2 and the second current limliting electricity
Resistance R3 is electrically connected with another lead-out terminal of the switching signal circuit.After one end access power firestreak L of the filter circuit
Electrically connected with the second main electrode of the first controllable silicon T2, the first main electrode of the other end and the first controllable silicon T2 is electrically connected
Connect, and lead to the first lead-out terminal o1.The second lead-out terminal o2 draws shape by access zero-power line N electric wire
Into.
Further, the switching signal circuit includes triode Q1, controllable silicon optocoupler OP1 and switch current-limiting resistance
R1.The base stage of the triode Q1 accesses the signal output part of the controller, emitter stage access in the power module the
The power output end of one Switching Power Supply, colelctor electrode accesses the anode of the light emitting diode of the controllable silicon optocoupler OP1.It is described
The negative electrode of controllable silicon optocoupler OP1 light emitting diode is by switching current-limiting resistance R1 ground connection, and the controllable silicon optical coupler
A wherein main electrode for part OP1 controllable silicon is electrically connected with the control pole of the first controllable silicon T2, and another main electrode passes through institute
The first main electrode that the first current-limiting resistance R2 and the second current-limiting resistance R3 are stated with the first controllable silicon T2 is electrically connected.
Further, the filter circuit include be sequentially connected in series the first filter capacitor CX2 connected, the first filter resistance R4 and
Second filter resistance R5；Another termination relative with one end that the first filter resistance R4 is concatenated in the first filter capacitor CX2
Enter the second main electrode after power firestreak L with the first controllable silicon T2 to electrically connect；With first in the second filter resistance R5
The other end that one end of filter resistance R4 concatenations is relative is electrically connected with the first main electrode of the first controllable silicon T2, and is led to
The first lead-out terminal o1.
Also, the first lead-out terminal o1 and the second lead-out terminal o2 is formed for accessing in the surface of electrical box 1
The electrical interface a of tested heater.And one end of power firestreak and the second lead-out terminal o2 access are accessed in the filter circuit
The plug to be formed for grafting mains supply is drawn in the side of zero-power line by wire respectively, can be obtained in plug-in
220V alternating current, so as to provide working power for tested heater.
Referring to Fig. 4, specifically, the thermistor detection circuit 3 is used to detect tested heater, and exports detection letter
Number to the controller.The thermistor detection circuit 3 includes the first access terminal i1, the second access terminal i2, compensation electricity
Hinder R23, the 3rd current-limiting resistance R22 and the second filter capacitor C2.The first access terminal i1 and the second access terminal i2 are used for
The two ends of the tested thermistor of access, and the first access terminal i1 and the first switch power supply in power module power supply is defeated
Go out end electrical connection.Described compensation resistance R23 one end is electrically connected with the described second access terminal i2, other end ground connection.Described 3rd
Current-limiting resistance R22 one end is electrically connected with the described second access terminal i2, one end electricity of the other end and the second filter capacitor C2
Signal input part after connection with the controller is electrically connected.The other end ground connection of the second filter capacitor C2.
In the present embodiment, the first access terminal i1 and the second access terminal i2 are formed in the surface of electrical box 1
For the electrical interface b for the thermistor for accessing tested heater.
In addition, in other variant embodiments, the utility model also includes the wind for being used to measure the drying unit of closestool
The air port thermistor of the wind-warm syndrome at mouthful place and electric with the structure identical air port thermistor detection of thermistor detection circuit 3
Road 3.Because the structure of the air port thermistor detection circuit 3 is identical with the structure of thermistor detection circuit 3, therefore herein
Repeat no more.And, two access terminals for accessing the air port thermistor are used in the air port thermistor detection circuit 3
Electrical interface c is formed in the surface of electrical box 1.
Referring to Fig. 5, specifically, the blower fan current detection circuit 4 is used for the working condition for detecting tested blower fan, output
Aerator supervision signal is to the controller.The blower fan current detection circuit 4 includes the 3rd filter capacitor C1, the 3rd filter resistance
R20, the 4th current-limiting resistance R21, Darlington transistor Q2, precision resistance R24, the 4th filter resistance R25, the 4th filter capacitor C3,
Five filter resistance R26, the 5th filter capacitor C4, the 6th filter resistance R27, the 6th filter capacitor C5 and protection diode D1.Institute
The positive pole for stating the 3rd filter capacitor C1 electrically connects and drawn with the power output end of the power module second switch power supply to be formed
First blower fan accesses terminal.Described 3rd filter resistance R20 one end is electrically connected with the 3rd filter capacitor C1 negative pole, and the other end draws
Go out to be formed the second blower fan access terminal.Described 4th current-limiting resistance R21 one end is electrically connected with the controller, the other end with it is described
Darlington transistor Q2 base stage electrical connection.The colelctor electrode of the Darlington transistor Q2 in the 3rd filter resistance R20 with forming second
One end electrical connection of blower fan access terminal, emitter stage is electrically connected with one end of the precision resistance R24.The precision resistance R24
The other end ground connection.Described 4th filter resistance R25 one end is electrically connected to the emitter stage and the precision of the Darlington transistor Q2
Between resistance R24, the other end is electrically connected with the positive pole of the 4th filter capacitor C3.The negative pole of the 4th filter capacitor C3 connects
Ground.The positive pole and the 5th filter capacitor of the two ends of the 5th filter resistance R26 respectively with the 4th filter capacitor C3
C4 positive pole electrical connection.The negative pole ground connection of the 5th filter capacitor C4.The two ends of the 6th filter resistance R27 respectively with institute
State the positive pole electrical connection of the 5th filter capacitor C4 positive pole and the 6th filter capacitor C5.The two of the 6th filter capacitor C5
End is electrically connected with the negative electrode and anode of the protection diode D1 respectively.And the anode of the protection diode D1, the 5th filtering
Electric capacity C4 negative pole, the 4th filter capacitor C3 negative pole altogether.The negative electrode of the protection diode D1 and the 6th filtered electrical
Electrically connected after one end electrical connection for holding C5 with the controller, to export aerator supervision signal.
In the present embodiment, the first blower fan access terminal and second blower fan access terminal in the surface of electrical box 1
Form electrical interface d.And, the 3rd filter capacitor C1 is polarized electric capacity；The 4th filter capacitor C3 and the described 5th
Filter capacitor C4 is electrochemical capacitor.The Darlington transistor Q2 is the Darlington transistor Q2 of MJD6039T4 models.
Specifically, the controller is used for the work for controlling the control circuit for heater 2 and blower fan current detection circuit 4
State, and detect that the detection signal that circuit 3 is exported judges the whether normal of tested heater according to the thermistor, while
The aerator supervision signal exported according to the blower fan current detection circuit 4 judges the whether normal of tested blower fan.In the present embodiment
In, the controller is single-chip microcomputer, and it is electrically connected with a start button 7 being embedded in the outer surface of electrical box 1, is opened by pressing
Move the trigger controller of button 7 and make the work of each above-mentioned circuit of controller control, so as to realize the startup and entrance of the present apparatus
Test job link.
Specifically, the LCD display 6 is used to show handles obtained judged result by controller, due to itself and control
The mode of connection between device is existing, therefore be will not be repeated here.
Illustrate the test job process of the automatic testing equipment of the utility model closestool drying unit below：
For the drying unit of opened loop control, because it is that different temperature are obtained by controlling power output, therefore
Thermistor detection circuit 3 need not now be used.But for the drying unit of closed-loop control, it is by thermistor temperature detecting
To adjust power, to reach stable design temperature, therefore need to use thermistor detection circuit 3 at this moment.Therefore, it is more preferable
Ground illustrates the test job process of the utility model closestool drying unit, below exemplified by testing the drying unit of closed-loop control row
Explanation.
First, air port thermistor is fixed on before the air port of drying unit by fixture, and fixes drying unit, with
The two ends docking of air port thermistor is inserted into electrical interface c afterwards.Secondly, the thermistor of drying unit is docked and inserted
Into electrical interface b, the docking of the control signal of the heater of drying unit is inserted into electrical interface a, while by drying unit
Blower fan current output terminal docking be inserted into electrical interface d, and according to power supply connect electricity need to insert the plug in drying unit
In the socket for being connected to mains supply output.
Complete after above-mentioned wiring, press start button 7, thus start controller and each circuit.First, controller is
The control circuit for heater 2 and blower fan current detection circuit 4 provide a working signal, so as to start control circuit for heater 2
With blower fan current detection circuit 4.Drying unit heater and blower fan work to after the default time in controller, temperature-sensitive electricity
Resistance detection circuit 3 will export a voltage detection signal to the controller, the controller will according to the voltage detection signal and
The circuit formula manipulation of resistance calculations obtains the current resistance of the thermistor of tested drying unit, then judges that the current resistance is
It is no to be located at normal Standard resistance range, if the current resistance is in normal Standard resistance range, then it represents that be tested adding for drying unit
Hot device is normal, otherwise, represents that the heater of tested drying unit is abnormal.Similarly, judging whether normally to draught temperature
It is by judging whether the current resistance of air port thermistor is in normal Standard resistance range, therefore will not be repeated here.
In addition, the detection to blower fan, corresponding electric current can be produced because blower fan is rotated, therefore blower fan current detection circuit 4 is surveyed
Examination is exactly whether to produce electric current in blower fan.So, the blower fan of tested drying unit is accessed in blower fan current detection circuit 4, and
Controller triggering blower fan current detection circuit 4 enters after working condition, finally inputs blower fan inspection by blower fan current detection circuit 4
Signal is surveyed to controller, the whether normal of blower fan is judged according to the aerator supervision signal by controller.And the blower fan
Detect that signal is a voltage signal, and blower fan normal work will necessarily just produce electric current, so that blower fan current detection circuit 4
Export a corresponding voltage signal, thus controller be mainly judge the aerator supervision signal whether be a non-zero voltage letter
Number, if it is, representing that the blower fan of tested drying unit is normal, otherwise, represent that the blower fan of tested drying unit is abnormal.
From there through above test process, test job is completed.
In addition, the utility model also has other variant embodiments, such as：
1) structure of control circuit for heater 2 is changed, that is, by the second current-limiting resistance R3 in control circuit for heater 2
Delete, now, the first controllable silicon T2 the first main electrode only passes through the first current-limiting resistance R2 and the switching signal circuit
Another lead-out terminal electrical connection.
2) structure of blower fan current detection circuit 4 is changed, that is, by the 5th filtered electrical in blower fan current detection circuit 4
Resistance R26, the 5th filter capacitor C4, the 6th filter resistance R27 and the 6th filter capacitor C5 are deleted, now, two poles of the protection
Pipe D1 negative electrode and anode is electrically connected with the positive pole and negative pole of the 4th filter capacitor C3 respectively, and protection diode D1 sun
Pole and the 4th filter capacitor C3 negative pole altogether, wherein, the negative electrode of the protection diode D1 and the 4th filtered electrical
Electrically connected after holding the electrical connection of C3 negative poles with the controller, to export aerator supervision signal.
3) structure of power module is changed, that is, power module also includes the battery that power supply is output as 5V dc sources
With the battery for being output as 12V dc sources, then in the case where city's electrical testing can not be connect, it is possible to directly pass through power module
In battery be powered.
4) increase the alarm being electrically connected with the controller, control the working condition of alarm according to judged result by controller
Intuitively to show test result, such as under normal conditions, controller control alarm, which is sent, to pipe, in exception
In the case of, controller control alarm sends many sound and piped.Furthermore it is also possible to by changing the tweeting sound that alarm is sent
Frequency represents normal and abnormal.
5) 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.
6) blower fan current detection circuit 4 is deleted, and its corresponding electrical interface formed on the surface of electrical box 1 is removed.
Relative to prior art, the automatic testing equipment of the utility model closestool drying unit can be realized pair after wiring
The drying unit of intelligent closestool carries out fault detect automatically, it is not necessary to carries out manual testing by technical staff again, greatly improves
Detection efficiency and the ease for operation of detection, and so that user can be voluntarily that can be achieved to closestool drying using the present apparatus
The detection of device, 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 closestool drying unit, it is characterised in that：Examined including control circuit for heater, thermistor
Slowdown monitoring circuit, controller and power module；
The control circuit for heater is used for the working condition for controlling tested heater；
The thermistor detection circuit is used to detect tested heater, and exports detection signal to the controller；
The controller is used for the working condition for controlling the control circuit for heater, and judges tested according to the detection signal
Heater it is whether normal；
The power module is respectively that the control circuit for heater and thermistor detection circuit are powered.
2. the automatic testing equipment of closestool drying unit according to claim 1, it is characterised in that：The heater control
Circuit includes switching signal circuit, the first controllable silicon, the first current-limiting resistance, filter circuit, first lead-out terminal and the second output
Terminal；
The input of the switching signal circuit is electrically connected with the signal output part of the controller；
The control pole of first controllable silicon is electrically connected with a wherein lead-out terminal for the switching signal circuit, the first main electrode
Electrically connected by first current-limiting resistance with another lead-out terminal of the switching signal circuit；
Electrically connected after one end access power firestreak of the filter circuit with the second main electrode of first controllable silicon, the other end
Electrically connected with the first main electrode of first controllable silicon, and lead to the first lead-out terminal；
Second lead-out terminal is drawn by the electric wire of access zero-power line to be formed.
3. the automatic testing equipment of closestool drying unit according to claim 2, it is characterised in that：The switching signal electricity
Road includes triode, controllable silicon optocoupler and switch current-limiting resistance；
The base stage of the triode accesses the signal output part of the controller, and the power supply that emitter stage accesses the power module is defeated
Go out end, colelctor electrode accesses the anode of the light emitting diode of the controllable silicon optocoupler；
The negative electrode of the light emitting diode of the controllable silicon optocoupler is grounded by switching current-limiting resistance, and the controllable silicon optocoupler
A wherein main electrode for the controllable silicon of device is electrically connected with the control pole of first controllable silicon, and another main electrode passes through described
One current-limiting resistance is electrically connected with the first main electrode of first controllable silicon.
4. the automatic testing equipment of closestool drying unit according to claim 2, it is characterised in that：The filter circuit bag
Include and be sequentially connected in series the first filter capacitor connected, the first filter resistance and the second filter resistance；In first filter capacitor with
The second main electrode with first controllable silicon after the relative other end access power firestreak in one end of first filter resistance concatenation
Electrical connection；The other end relative with one end that the first filter resistance is concatenated and first controllable silicon in second filter resistance
The electrical connection of the first main electrode, and lead to the first lead-out terminal.
5. the automatic testing equipment of closestool drying unit according to claim 3, it is characterised in that：First controllable silicon
The first main electrode pass sequentially through second current-limiting resistance concatenated with the first current-limiting resistance and the first current-limiting resistance with it is described can
Control another main electrode electrical connection of the controllable silicon of silicon optocoupler.
6. the automatic testing equipment of the closestool drying unit according to any one of Claims 1 to 5, it is characterised in that：It is described
Thermistor detection circuit includes the first access terminal, the second access terminal, compensation resistance, the 3rd current-limiting resistance and the second filtering
Electric capacity；
The first access terminal and the second access terminal are used to accessing the two ends of tested thermistor, and the first access terminal with
The power output end electrical connection of the power module；
Described compensation resistance one end is electrically connected with the described second access terminal, other end ground connection；
Described 3rd current-limiting resistance one end is electrically connected with the described second access terminal, the other end and the one of second filter capacitor
Electrically connected after the electrical connection of end with the signal input part of the controller；
The other end ground connection of second filter capacitor.
7. the automatic testing equipment of closestool drying unit according to claim 1, it is characterised in that：Also include blower fan electric current
Detect circuit；The blower fan current detection circuit is used for the working condition for detecting tested blower fan, output aerator supervision signal to institute
State controller.
8. the automatic testing equipment of closestool drying unit according to claim 7, it is characterised in that：The blower fan electric current inspection
Slowdown monitoring circuit includes the 3rd filter capacitor, the 3rd filter resistance, the 4th current-limiting resistance, Darlington transistor, precision resistance, the 4th filtered electrical
Resistance, the 4th filter capacitor and protection diode；
The positive pole of 3rd filter capacitor electrically connects with the power output end of the power module and draws to form the first blower fan
Access terminal；
Described 3rd filter resistance one end is electrically connected with the negative pole of the 3rd filter capacitor, and the other end draws to form the access of the second blower fan
Terminal；
Described 4th current-limiting resistance one end is electrically connected with the controller, and the other end is electrically connected with the base stage of the Darlington transistor；
The colelctor electrode of the Darlington transistor is electrically connected with forming one end of the second blower fan access terminal in the 3rd filter resistance,
Emitter stage is electrically connected with one end of the precision resistance；
The other end ground connection of the precision resistance；
Described 4th filter resistance one end is electrically connected between the emitter stage of the Darlington transistor and the precision resistance, the other end
Electrically connected with the positive pole of the 4th filter capacitor；
The negative pole ground connection of 4th filter capacitor；
The negative electrode of the protection diode is electrically connected after being electrically connected with the 4th filter capacitor negative pole with the controller, with defeated
Air-out machine testing signal, and the plus earth of protection diode.
9. the automatic testing equipment of closestool drying unit according to claim 8, it is characterised in that：The blower fan electric current inspection
Slowdown monitoring circuit also include being electrically connected to the 5th filter resistance between the 4th filter capacitor and protection diode, the 5th filter capacitor,
6th filter resistance and the 6th filter capacitor；
The two ends of 5th filter resistance respectively with the positive pole and the 5th filter capacitor of the 4th filter capacitor just
Pole is electrically connected；
The negative pole ground connection of 5th filter capacitor；
The two ends of 6th filter resistance respectively with the positive pole and the 6th filter capacitor of the 5th filter capacitor just
Pole is electrically connected；
The two ends of 6th filter capacitor are electrically connected with the negative electrode and anode of the protection diode respectively, and the protection two
The anode of pole pipe, the negative pole of the 5th filter capacitor, the 4th filter capacitor negative pole altogether.
10. the automatic testing equipment of the closestool drying unit according to any one of claim 7~9, it is characterised in that：Also wrap
Include the LCD display being electrically connected with the controller；And the control circuit for heater, thermistor detection circuit, controller and electricity
Source module is packaged in same electrical box, and incoming end and output end, the thermistor of control circuit for heater detect circuit
Incoming end is respectively at forming corresponding electrical interface in electric box outer surfac；The LCD display is embedded at the electrical box appearance
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027827.0U CN206563776U (en) | 2017-01-11 | 2017-01-11 | The automatic testing equipment of closestool drying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027827.0U CN206563776U (en) | 2017-01-11 | 2017-01-11 | The automatic testing equipment of closestool drying unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206563776U true CN206563776U (en) | 2017-10-17 |
Family
ID=60029994
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720027827.0U Expired - Fee Related CN206563776U (en) | 2017-01-11 | 2017-01-11 | The automatic testing equipment of closestool drying unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206563776U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900509A (en) * | 2019-03-26 | 2019-06-18 | 台州福洁科技有限公司 | A kind of intelligent closestool performance detection apparatus |
| CN111272458A (en) * | 2020-02-20 | 2020-06-12 | 台州市产品质量安全检测研究院 | Warm air dryer test system and method |
| 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 |
-
2017
- 2017-01-11 CN CN201720027827.0U patent/CN206563776U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900509A (en) * | 2019-03-26 | 2019-06-18 | 台州福洁科技有限公司 | A kind of intelligent closestool performance detection apparatus |
| CN111272458A (en) * | 2020-02-20 | 2020-06-12 | 台州市产品质量安全检测研究院 | Warm air dryer test system and method |
| 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 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171017 |