CN206420966U - Closestool heats the automatic testing equipment of seat ring - Google Patents
Closestool heats the automatic testing equipment of seat ring Download PDFInfo
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- CN206420966U CN206420966U CN201621372457.6U CN201621372457U CN206420966U CN 206420966 U CN206420966 U CN 206420966U CN 201621372457 U CN201621372457 U CN 201621372457U CN 206420966 U CN206420966 U CN 206420966U
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Abstract
The utility model is related to the automatic testing equipment that a kind of closestool heats seat ring, including separate resistance detection circuit and sensor detection circuit and processor and power circuit.The input of the resistance detection circuit is used to access outside measured device, and its output end accesses the processor；The input of the sensor detection circuit is used to access outside tested senser element, and its output end accesses the processor；The processor detects that the input signal of circuit and the signal input state of the sensor detection circuit judge whether measured device is normal according to the resistance；The power input that the power output end of the power circuit detects circuit, sensor detection circuit and processor with the resistance respectively is electrically connected.Thus the utility model can realize that the realization of closestool heating seat ring is quickly tested, and improve the cumbersome degree of testing efficiency and reduction test, and the present apparatus is simple in construction, it is easy to carry and convenient operation.
Description
Technical field
The utility model is related to closestool heating seat ring detection field, and more particularly to a kind of closestool heats the automatic survey of seat ring
Trial assembly is put.
Background technology
It is sitting in order to avoid user and uncomfortable sensation is produced when on ice-cold closestool, is typically covered by the edge in closestool
Lid sets the toilet seat with heating function.Existing closestool heating seat ring generally comprises housing, is arranged on cover top plate simultaneously
For testing whether having the capacitance sensor that human body is sitting on housing, the thermistor control circuit and aluminium foil that are arranged in housing
Heater and controller.The capacitance sensor, thermistor control circuit and aluminium foil heater respectively with the controller
Electrical connection, the controller controls the opening and closing of thermistor control circuit and aluminium foil heater according to capacitance sensor,
And the heated condition of circuit control aluminium foil heater is controlled according to thermistor in the course of work of aluminium foil heater.
It follows that when any of the above-described circuit and device failure, closestool heating seat ring can not carry out normal work
Make, failure, maintenance fine horse bucket heating seat ring can be found by now needing the device heated to closestool inside seat ring to carry out detection；
Or the device periodically heated to closestool inside seat ring carries out detection maintenance, it is to avoid closestool heating seat ring breaks down.
But, it is existing to realize that the fault detect that seat ring is heated to closestool or preservation ＆ testing are typically all to pass through multiple testers
Separately tested, test operation and the relatively complicated complexity of test circuit.And when being detected to aluminium foil heater, it is necessary to make
Aluminium foil in aluminium foil heater is individually heated and completion of generating heat just can determine that whether it is normal；In such event, aluminium foil is individually heated
Connection 220V power supply is needed, the security presence of tester is threatened, and the testing time is long, testing efficiency is low.
Utility model content
To solve the shortcoming and defect of above-mentioned prior art, the utility model provides a kind of closestool and heats the automatic of seat ring
Test device, by detecting whether just the resistance of aluminium foil heater and thermistor can determine whether aluminium foil heater and thermistor
Often, and by detecting that the signal input state of capacitance sensor can determine whether whether capacitance sensor is normal, quick test is realized,
And the cumbersome degree of testing efficiency and reduction test is improved, and the present apparatus is simple in construction, it is easy to carry and convenient operation.
A kind of closestool heats the automatic testing equipment of seat ring, including separate resistance detection circuit and sensor detection
Circuit and processor and power circuit；
The input of the resistance detection circuit is used to access outside measured device, and its output end accesses the processor；
The input of the sensor detection circuit is used to access outside tested senser element, and the access of its output end is described
Processor；
The processor is defeated according to the input signal of resistance detection circuit and the signal of the sensor detection circuit
Whether normal enter condition adjudgement measured device；
The power output end of the power circuit detects circuit, sensor detection circuit and processor with the resistance respectively
Power input electrical connection.
Thus, detect that circuit and processor detect that the resistance of aluminium foil heater and thermistor can root by using resistance
Judge whether aluminium foil heater and thermistor are normal according to normal Standard resistance range, while by using sensor detection circuit and place
Reason device detection capacitance sensor can judge whether capacitance sensor is normal, is achieved in same according to its signal input state
The detection of two devices is at least realized in the section time, test is quick, greatly save the time of test and improve testing efficiency, and
As long as measured device is directly connected with the input of circuit, the cumbersome degree of test is greatly reduced, further improves and surveys
The convenience of examination；And apparatus structure is simple, so as to improve the portability of device.Therefore the utility model can realize closestool heated seats
The realization of circle is quickly tested, and improves the cumbersome degree of testing efficiency and reduction test, and the present apparatus is simple in construction, it is easy to carry and
Convenient operation.
Further, the resistance detection circuit includes the first resistance detection circuit；The first resistance detection circuit includes
First input end, the second input terminal and compensation resistance；The first input end accesses power circuit, the second input terminal
One end of the compensation resistance and the signal input part of processor are accessed simultaneously；The other end ground connection of the compensation resistance.Pass through
The restriction of circuit is detected to resistance herein, while resistance proper testing of the guarantee circuit realiration to external devices, in maximum
Simplify resistance in limit and detect the structure of circuit, so as to be conducive to the structure of whole device to simplify and reduction production cost；Also,
By setting compensation resistance, be conducive to avoiding caused by aluminium foil heater is from the change in resistance produced in heating process
Nonlinearity erron.
Further, the first resistance detection circuit also includes current-limiting resistance；Described current-limiting resistance one end is electrically connected to institute
State the second input terminal, the other end is as lead-out terminal and accesses the signal input part of the processor.By being detected in resistance
Current-limiting resistance is set up in circuit, is conducive to avoiding in circuit electric current excessive and circuit is caused to damage and influenceed, so that certain
Resistance is extended in degree and detects the service life of circuit, and improves the stability and accuracy of test.
Further, the first resistance detection circuit also includes high-frequency filter capacitor；High-frequency filter capacitor one end electricity
It is connected to the lead-out terminal of the current-limiting resistance, other end ground connection.By setting up high-frequency filter capacitor in detecting circuit in resistance,
Be conducive to the high frequency electrical signal in filtering circuit, so as to further reduce the factor of influence circuit, further improve the steady of test
Qualitative and accuracy.
Further, the resistance detection circuit also includes detecting with the first resistance the second resistance of detection circuit structure identical
Circuit；And the second resistance detection circuit and the first resistance detect that circuit is separate and does not interfere with each other.By setting up second
Resistance detects circuit, realizes that can not only test aluminium foil heater (or thermistor) and capacitance sensor in once testing is
It is no normal, thermistor (or aluminium foil heater) can also be tested whether normally, that is, closestool can be achieved in once testing
Heat seat ring in institute the device of detection in need test, thus further raising testing efficiency.
Further, the sensor detection circuit include first input end, the second input terminal, the 3rd input terminal and
Current-limiting resistance；The first input end accesses power circuit, and second input terminal accesses one end of the current-limiting resistance,
The 3rd input terminal ground connection；The other end of the current-limiting resistance accesses the signal input part of the processor.By herein
Restriction to sensor detection circuit, while resistance proper testing of the guarantee circuit realiration to external devices, in maximum limit
Simplify resistance on degree and detect the structure of circuit, so as to be conducive to the structure of whole device to simplify and reduction production cost；And pass through
The stability of current-limiting resistance enhancing circuit and the accuracy of measurement.
Further, the sensor detection circuit also includes the pull down resistor and high-frequency filter capacitor being connected in parallel；It is described
One end that pull down resistor and high-frequency filter capacitor are connected in parallel is connected to the signal input part with processor in the current-limiting resistance
One end of connection, and the other end ground connection that the pull down resistor and high-frequency filter capacitor are connected in parallel.By being detected in sensor
Pull down resistor and high-frequency filter capacitor are set up in circuit, is conducive to when circuit drives are closed, pull down resistor and current-limiting resistance one
Rising gives circuit (pull down resistor is connected the node to be formed with current-limiting resistance) a fixed level；And by high-frequency filter capacitor,
Be conducive to the high frequency electrical signal in filtering circuit, so as to further reduce the factor of influence circuit, further improve the steady of test
Qualitative and accuracy.
Further, the power circuit is power-switching circuit or power supply changeover device, for by 220V or 110V exchange
Voltage conversion is 5V DC voltage.By limiting herein, the directly available mains supply of the present apparatus is realized, application is further improved
The convenience of the present apparatus, and be conducive to the safety utilization of electric power of test job.
Further, the resistance detection circuit, sensor detection circuit, processor and power circuit are arranged at same circuit
On plate and it is packaged in same box house；The input of the resistance detection circuit and sensor detection circuit is respectively out of casing
Box outer surface is led to, and electrical interface is formed respectively in box outer surface；The input of the power circuit passes through through case
The wire of body draws post package into attaching plug.By limiting herein, directly by the way that measured device is connected with electrical interface
Test is realized, is conducive to further improving the stability and ease for operation of each circuit, while being also beneficial to dustproof and waterproof, it is to avoid
Circuit is influenceed by extraneous factor.
Further, the automatic testing equipment of the utility model closestool heating seat ring also includes display screen and alarm；It is described
The output end of display screen and alarm respectively with the processor is electrically connected.By display screen, intuitively show current tested
The test parameter of device and whether normal, passes through alarm, be conducive to the test result of measured device for it is abnormal when, remind survey
Examination personnel, are changed or are repaired to measured device.
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 for the automatic testing equipment that the utility model closestool heats seat ring；
Fig. 2 is the partial structurtes perspective view for the automatic testing equipment that the utility model closestool heats seat ring；
Fig. 3 is the circuit theory diagrams that the first resistance of the present utility model detects circuit；
Fig. 4 is the circuit theory diagrams that the second resistance of the present utility model detects circuit；
Fig. 5 is the circuit theory diagrams of sensor detection circuit of the present utility model；
Fig. 6 be the closestool heating seat ring in Fig. 1 automatic testing equipment further improve after structural representation.
Embodiment
Please refer to Fig. 1~Fig. 5, the utility model provides the automatic testing equipment that a kind of closestool heats seat ring, bag
Include casing 1, be arranged on same circuit board 2 and be packaged in the resistance in the casing 1 detection circuit, sensor detection circuit 5,
Processor 6 and power circuit.The resistance detection circuit and sensor detection circuit 5 are separate.The resistance detects circuit
The outer surface of casing 1 is led to out of casing 1 respectively with the input of sensor detection circuit 5, and distinguishes shape in the outer surface of casing 1
Into electrical interface；The input of the power circuit through the wire of casing 1 by drawing post package into attaching plug D.
Specifically, the power output end of the power circuit detects circuit, sensor detection circuit 5 with the resistance respectively
Electrically connected with the power input of processor 6.In the present embodiment, for Electrical Safety, it is preferable that the power circuit is electricity
Power-switching circuit or power supply changeover device, the DC voltage for 220V or 110V alternating voltage to be converted to 5V.
Specifically, the input of the resistance detection circuit is used to access outside measured device, and the access of its output end is described
Processor 6.In the present embodiment, the aluminium foil heater and thermistor that can once heat seat ring to closestool simultaneously for realization are entered
Row test, resistance detection circuit includes that structure is identical and mutually independent and the non-interfering first resistance detection He of circuit 3
Second resistance detects circuit 4.
Further, the first resistance detection circuit 3 includes first input end Ui31, the second input terminal Ui32, compensation
Resistance R32, current-limiting resistance R31With high-frequency filter capacitor C31.The first input end Ui31Access the power supply output of power circuit
End；Second input terminal Ui32Compensation resistance R is accessed simultaneously32With current-limiting resistance R31One end；The compensation resistance R32It is another
End ground connection；The current-limiting resistance R31The other end simultaneously access the high-frequency filter capacitor C31One end and the processor 6
One signal input part 60；The high-frequency filter capacitor C31The other end ground connection.Thus, added by the way that closestool to be heated to the aluminium foil of seat ring
Hot device or thermistor are connected on first input end Ui31With the second input terminal Ui32Between, after power-on, you can pass through
The detection detection of circuit 3 of one resistance obtains corresponding voltage signal Uo, and inputs to the processor 6.The processor 6 is according to public affairs
FormulaThe current resistance Rx of measured device, and the current resistance obtained according to calculating are can obtain after processing
Whether resistance judges the resistance in normal Standard resistance range, if thus judging whether measured device is normal --- current resistance resistance
Value is in normal Standard resistance range, then it represents that measured device is normal, otherwise, then it represents that measured device is abnormal, and exports judgement knot
Really.
In the present embodiment, the current-limiting resistance R31=1K Ω, compensation resistance R32=24K Ω ± 1%, High frequency filter electricity
Hold C31=1000pF.And, the first resistance detects the first input end Ui of circuit 331With the second input terminal Ui32Lead to respectively
Cross wire and interface leads to the outer surface of casing 1, form electrical interface A.
Further, the second resistance detection circuit 4 includes first input end Ui41, the second input terminal Ui42, compensation
Resistance R42, current-limiting resistance R41With high-frequency filter capacitor C41.The first input end Ui41Access the power supply output of power circuit
End；Second input terminal Ui42Compensation resistance R is accessed simultaneously42With current-limiting resistance R41One end；The compensation resistance R42It is another
End ground connection；The current-limiting resistance R41The other end simultaneously access the high-frequency filter capacitor C41One end and the processor 6
One signal input part 57；The high-frequency filter capacitor C41The other end ground connection.Thus, added by the way that closestool to be heated to the aluminium foil of seat ring
Hot device or thermistor are connected on first input end Ui41With the second input terminal Ui42Between, after power-on, you can pass through
The detection detection of circuit 3 of one resistance obtains corresponding voltage signal Uo ', and inputs to the processor 6.The basis of processor 6
FormulaCan obtain the current resistance Rx ' of measured device after processing, and obtained according to calculating it is current
Whether resistance judges the resistance in normal Standard resistance range, if thus judging whether measured device is normal --- current electricity
Resistance is hindered in normal Standard resistance range, then it represents that measured device is normal, otherwise, then it represents that measured device is abnormal, and output is sentenced
Disconnected result.
In the present embodiment, the current-limiting resistance R41=1K Ω, compensation resistance R42=24K Ω ± 1%, High frequency filter electricity
Hold C41=1000pF.And, the second resistance detects the first input end Ui of circuit 441With the second input terminal Ui42Lead to respectively
Cross wire and interface leads to the outer surface of casing 1, form electrical interface B.
Specifically, the input of the sensor detection circuit 5 is used to access outside tested senser element, its output end
Access the processor 6.In the present embodiment, the sensor detection circuit 5 includes first input end Ui51, second input
Terminal Ui52, the 3rd input terminal Ui53, current-limiting resistance R52, pull down resistor R51With high-frequency filter capacitor C51.First input
Terminal Ui51Access the power output end of power circuit；The second input terminal Ui52Access the current-limiting resistance R52One end；
The 3rd input terminal Ui53Ground connection；The current-limiting resistance R52The other end access pull down resistor R simultaneously51, High frequency filter electricity
Hold C51One end and processor 6 a signal input part 30；The pull down resistor R51With high-frequency filter capacitor C51The other end point
It is not grounded；That is, pull down resistor R51With high-frequency filter capacitor C51It is connected in parallel, one end that both are connected in parallel is connected to
The current-limiting resistance R52In one end for being connected with the signal input part 30 of processor 6, and both other end ground connection for being connected in parallel.
Thus, it is connected on first input end Ui by the way that closestool to be heated to the capacitance sensor of seat ring51, the second input terminal Ui52With the 3rd
Input terminal Ui53Between, after power-on, then when capacitance sensor is not acted, i.e., when not detecting human body, circuit is
Off-state, if the signal being then input in processor 6 is 0V or does not have signal input, and when capacitance sensor is acted, i.e.,
When detecting human body, circuit is closure state, if the signal being input in processor 6 is 5V or has signal input, is being surveyed
Examination is met under conditions of above-mentioned two situations, you can judge that capacitance sensor is normal, and otherwise, capacitance sensor is abnormal.Cross herein
Cheng Zhong, processor 6 can export corresponding test result.
In the present embodiment, current-limiting resistance R52=1K Ω, pull down resistor R51=100K Ω, high-frequency filter capacitor C51=
100pF.And, the first input end Ui of sensor detection circuit51, the second input terminal Ui52With the 3rd input terminal Ui53
The outer surface of casing 1 is led to by wire and interface respectively, electrical interface C is formed.
Specifically, from the foregoing, the processor 6 is the input signal and the biography that circuit is detected according to the resistance
The signal input state of sensor detection circuit 5 judges whether measured device is normal.In the present embodiment, the processor 6 is single
Piece machine.
Referring to Fig. 6, as a kind of more excellent technical scheme, the utility model closestool heats the automatic testing equipment of seat ring
Also include display screen 6 and alarm.The output end of the display screen 6 and alarm respectively with the processor 6 is electrically connected, and
In the present embodiment, the display screen 6 is embedded in the casing 1 and coplanar with the outer surface of casing 1, and the alarm is mounted directly
In on the circuit board 2.
In addition, the utility model also has other variant embodiments, such as：
1) resistance detection circuit of the present utility model only includes the first resistance detection circuit 3, then now needs to separate twice
Measure the aluminium foil heater of closestool heating seat ring and the resistance of thermistor.
2) change the structure that the first resistance detects circuit 3, e.g., the first resistance is detected into the high-frequency filter capacitor in circuit 3
C31Remove, now, current-limiting resistance R31In with the second input terminal Ui32The other end that one end of electrical connection is relative is used as output end
Son and the signal input part 60 for accessing the processor 6.
3) change the structure that the first resistance detects circuit 3, e.g., the first resistance is detected into the current-limiting resistance R in circuit 331With
High-frequency filter capacitor C31Remove, now, the second input terminal Ui in the first resistance detection circuit 332Access the compensation simultaneously
Resistance R32In earth-free one end and processor 6 signal input part 60.
4) change the structure that the second resistance detects circuit 4, e.g., the second resistance is detected into the high-frequency filter capacitor in circuit 4
C41Remove, now, current-limiting resistance R41In with the second input terminal Ui42The other end that one end of electrical connection is relative is used as output end
Son and the signal input part 57 for accessing the processor 6.
5) change the structure that the second resistance detects circuit 4, e.g., the second resistance is detected into the current-limiting resistance R in circuit 441With
High-frequency filter capacitor C41Remove, now, the second input terminal Ui in the first resistance detection circuit 342Access the compensation simultaneously
Resistance R42In earth-free one end and processor 6 signal input part 57.
6) structure of casing 1 is removed, directly each circuit and processor 6 are arranged on same circuit board 2.
7) structure of sensor detection circuit 5 is changed, e.g., by the pull down resistor R in sensor detection circuit 551And high frequency
Filter capacitor C51Remove, now, current-limiting resistance R52In with the second input terminal Ui52The other end that one end of electrical connection is relative is straight
The signal input part 30 of the access processor 6.
8) change the installation site of alarm, e.g., alarm is arranged on other positions inside casing 1 in addition to circuit board 2
Put, or, alarm is embedded on casing 1.
Relative to prior art, the automatic testing equipment of the utility model closestool heating seat ring can realize closestool heated seats
The realization of circle is quickly tested, and improves the cumbersome degree of testing efficiency and reduction test, and the present apparatus is simple in construction, it is easy to carry and
Convenient operation.
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 closestool heats the automatic testing equipment of seat ring, it is characterised in that：Including separate resistance detection circuit and
Sensor detection circuit and processor and power circuit；
The input of the resistance detection circuit is used to access outside measured device, and its output end accesses the processor；
The input of the sensor detection circuit is used to access outside tested senser element, and its output end accesses the processing
Device；
The processor detects that the input signal of circuit and the signal of the sensor detection circuit input shape according to the resistance
State judges whether measured device is normal；
The power output end of the power circuit detects the electricity of circuit, sensor detection circuit and processor with the resistance respectively
Source input electrical connection.
2. closestool according to claim 1 heats the automatic testing equipment of seat ring, it is characterised in that：The resistance detection electricity
Road includes the first resistance and detects circuit；The first resistance detection circuit includes first input end, the second input terminal and benefit
Repay resistance；The first input end accesses power circuit, the second input terminal access simultaneously the compensation resistance one end and
The signal input part of processor；The other end ground connection of the compensation resistance.
3. closestool according to claim 2 heats the automatic testing equipment of seat ring, it is characterised in that：The first resistance inspection
Slowdown monitoring circuit also includes current-limiting resistance；Described current-limiting resistance one end is electrically connected to second input terminal, and the other end is used as output
Terminal and the signal input part for accessing the processor.
4. closestool according to claim 3 heats the automatic testing equipment of seat ring, it is characterised in that：The first resistance inspection
Slowdown monitoring circuit also includes high-frequency filter capacitor；Described high-frequency filter capacitor one end is electrically connected to the lead-out terminal of the current-limiting resistance,
The other end is grounded.
5. closestool according to claim 4 heats the automatic testing equipment of seat ring, it is characterised in that：The resistance detection electricity
Road also includes and the first resistance detection circuit structure identical the second resistance detection circuit；And second resistance detection circuit and
First resistance detection circuit is separate and does not interfere with each other.
6. closestool according to claim 1 heats the automatic testing equipment of seat ring, it is characterised in that：The sensor detection
Circuit includes first input end, the second input terminal, the 3rd input terminal and current-limiting resistance；The first input end access
Power circuit, second input terminal accesses one end of the current-limiting resistance, the 3rd input terminal ground connection；The current limliting
The other end of resistance accesses the signal input part of the processor.
7. closestool according to claim 6 heats the automatic testing equipment of seat ring, it is characterised in that：The sensor detection
Circuit also includes the pull down resistor and high-frequency filter capacitor being connected in parallel；The pull down resistor and high-frequency filter capacitor are connected in parallel
One end be connected to the one end being connected in the current-limiting resistance with the signal input part of processor, and the pull down resistor and high frequency
The other end ground connection that filter capacitor is connected in parallel.
8. closestool according to claim 1 heats the automatic testing equipment of seat ring, it is characterised in that：The power circuit is
Power-switching circuit or power supply changeover device, the DC voltage for 220V or 110V alternating voltage to be converted to 5V.
9. closestool according to claim 1 heats the automatic testing equipment of seat ring, it is characterised in that：The resistance detection electricity
Road, sensor detection circuit, processor and power circuit are arranged on same circuit board and are packaged in same box house；It is described
Resistance detects that the input of circuit and sensor detection circuit leads to box outer surface out of casing respectively, and in casing appearance
Face forms electrical interface respectively；The input of the power circuit through the wire of casing by drawing post package into attaching plug.
10. closestool according to claim 1 heats the automatic testing equipment of seat ring, its feature as：Also include display screen
And alarm；The output end of the display screen and alarm respectively with the processor is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372457.6U CN206420966U (en) | 2016-12-14 | 2016-12-14 | Closestool heats the automatic testing equipment of seat ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372457.6U CN206420966U (en) | 2016-12-14 | 2016-12-14 | Closestool heats the automatic testing equipment of seat ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420966U true CN206420966U (en) | 2017-08-18 |
Family
ID=59576597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621372457.6U Active CN206420966U (en) | 2016-12-14 | 2016-12-14 | Closestool heats the automatic testing equipment of seat ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206420966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771740A (en) * | 2016-12-14 | 2017-05-31 | 乳源南岭智能家用机械有限公司 | Toilet heats the automatic testing equipment of seat ring |
-
2016
- 2016-12-14 CN CN201621372457.6U patent/CN206420966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771740A (en) * | 2016-12-14 | 2017-05-31 | 乳源南岭智能家用机械有限公司 | Toilet heats the automatic testing equipment of seat ring |
| CN106771740B (en) * | 2016-12-14 | 2024-04-16 | 乳源东阳光智能科技有限公司 | Automatic testing device for heating seat ring of toilet |
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