CN107976604A - Detect method, the device and water storage device of detection electric leakage of electric leakage - Google Patents
Detect method, the device and water storage device of detection electric leakage of electric leakage Download PDFInfo
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- CN107976604A CN107976604A CN201711165372.XA CN201711165372A CN107976604A CN 107976604 A CN107976604 A CN 107976604A CN 201711165372 A CN201711165372 A CN 201711165372A CN 107976604 A CN107976604 A CN 107976604A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Abstract
The invention discloses a kind of method, apparatus and water storage device for detecting electric leakage.The method is used to detect whether the water storage device with heating function leaks electricity, the water storage device includes water tank and water inlet pipe and outlet pipe with being connected inside the water tank, detection module is provided with least one of the outlet pipe and the water inlet pipe, the detection module includes spaced first detecting electrode and the second detecting electrode, the described method includes：Obtain the electric signal that the detection module is exported；According to the electric signal, judge whether the water storage device leaks electricity.Therefore, the method of the detection electric leakage of the present invention, it is not that leakage current is detected from heating power supply, but by detecting the electric current in water inlet pipe and/or outlet pipe, in this way, firewire or ground wire are come from regardless of leakage current, as long as the water of contact human body has electric current generation, the electric current is just able to detect that, so as to judge whether water storage device leaks electricity.
Description
Technical field
The present invention relates to household electrical appliance technical field, and in particular to a kind of method for detecting electric leakage, a kind of detection are leaked electricity
Device and a kind of water storage device of the device including detection electric leakage.
Background technology
The generation of user's electric shock accidents in order to prevent, can generally install Domestic electricity leakage protection switch.In addition, work as with indoor peace
During equipped with water storage device (such as water heater), water storage device producer can also match somebody with somebody an earth leakage circuit-breaker again, be dedicated for the water storage
Device uses.
In the prior art, it is detected in the method whether water storage device leaks electricity, and magnetic is often added on firewire and zero curve
Ring detects, and when the electric current for flowing through firewire and zero curve is different big, mutual inductor just has voltage generation, illustrates there is electric leakage.
But the earth leakage circuit-breaker on existing water storage device, only when leakage current is more than 30mA, (value is country
Leakage current as defined in standard) when, earth leakage circuit-breaker can just cut off the power, and to protect user, prevent user from getting an electric shock.It is actual
On, when the leakage current of water storage device is less than 30mA, although fatefulue injury will not be caused to user, use can be caused
The discomfort at family, for example, people can be allowed to produce the numb sensation of fiber crops, it is very uncomfortable, it is more sensitive particularly when having a bath.
In addition, in the prior art, due to mutual inductor and various interference, it is difficult to detect the leakage current of smaller.
In addition, the prior art is all to prevent firewire from having electric leakage, if ground wire (PE lines) does not install, can also there is electric leakage
May, cause security risk occur.
Therefore, a kind of method that can effectively detect electric leakage how is designed to ask as this area technology urgently to be resolved hurrily
Topic.
The content of the invention
It is contemplated that at least solve one of technical problem existing in the prior art, it is proposed that a kind of side for detecting electric leakage
Method, a kind of device for detecting electric leakage and a kind of water storage device of the device including detection electric leakage.
To achieve these goals, the first aspect of the present invention, there is provided a kind of method for detecting electric leakage, has for detecting
Whether the water storage device for having heating function leaks electricity, the water storage device include water tank and with the water tank inside connect into
Detection module, the detection module bag are provided with least one of water pipe and outlet pipe, the outlet pipe and the water inlet pipe
Spaced first detecting electrode and the second detecting electrode are included, the described method includes：
Obtain the electric signal that the detection module is exported；
According to the electric signal, judge whether the water storage device leaks electricity.
Preferably, the detection module, which further includes, is electrically connected adopting for first detecting electrode and second detecting electrode
Sample resistance, the sampling resistor have preset resistive value；
Described the step of obtaining the electric signal that the detection module is exported, includes：
The electric current on the sampling resistor is obtained, wherein, the electric current is the electric signal；
It is described according to the electric signal, judge that the step of whether the water storage device leaks electricity includes：
According to the electric current, judge whether the water storage device leaks electricity.
Preferably, it is described according to the electric current, judge that the step of whether the water storage device leaks electricity includes：
By the electric current compared with predetermined current, when the electric current is greater than or equal to the predetermined current, judge
The water storage element leakage；And
When the electric current is less than the predetermined current, the water storage device leakproof is judged.
Preferably, between first detecting electrode and second detecting electrode at intervals of 5-10cm, the sampling
The preset resistive value of resistance is 10-15 Ω.
Preferably, the detection method further includes：
When judging the water storage element leakage, the electric signal and output alarm signal are shown.
The second aspect of the present invention, there is provided a kind of device for detecting electric leakage, for detecting the water storage with heating function
Whether device leaks electricity, and the water storage device includes water tank and water inlet pipe and outlet pipe with being connected inside the water tank, institute
Stating device includes detection module, control module and acquisition module；Set at least one of the water inlet pipe and the outlet pipe
There is the detection module, the detection module includes spaced first detecting electrode and the second detecting electrode：
The acquisition module is used to obtain the electric signal that the detection module is exported；
The control module is used for according to the electric signal, judges whether the water storage device leaks electricity.
Preferably, the detection module, which further includes, is electrically connected adopting for first detecting electrode and second detecting electrode
Sample resistance, the sampling resistor have preset resistive value；
The acquisition module is used to obtain the electric current on the sampling resistor, and the electric current is the electric signal；
The control module is used for according to the electric current, judges whether the water storage device leaks electricity.
Preferably, the control module is used for：
By the electric current compared with predetermined current, when the electric current is greater than or equal to the predetermined current, judge
The water storage element leakage；And
When the electric current is less than the predetermined current, the water storage device leakproof is judged.
Preferably, described device further includes display module and alarm module；
The display module is used to show the electric signal；
When the control module judges the water storage element leakage, the alarm module is used for output alarm signal.
The third aspect of the present invention, there is provided a kind of water storage device, the water storage device include the device of detection electric leakage, storage
Water tank and the water inlet pipe and outlet pipe connected with the water tank, the device of the detection electric leakage are described including recording above
Detection electric leakage device, be provided with the detection module at least one of the water inlet pipe and the outlet pipe.
The method of the detection electric leakage of the present invention, obtains the electric signal that the detection module is exported and according to the electric signal
Judge whether water storage device leaks electricity.Since detection module therein is provided in water inlet pipe and/or outlet pipe, because
This, the method for detection electric leakage of the invention, is not that leakage current is detected from heating power supply, but by detecting water inlet pipe
And/or the electric current in outlet pipe, in this way, no matter leakage current comes from firewire or ground wire, as long as the water of contact human body has electric current
Produce, it becomes possible to the electric current is detected, so as to judge whether water storage device leaks electricity.Therefore, detection of the invention leakage
The method of electricity, the result whether detection water storage device leaks electricity is more accurate, so as to avoid causing security risk, may be used also
To improve user experience.
The device of the detection electric leakage of the present invention, the electric signal that the detection module exported, control are obtained by acquisition module
Molding root tuber judges whether water storage device leaks electricity according to the electric signal.Since detection module therein is provided in water inlet pipe
And/or in outlet pipe, therefore, the device of detection electric leakage of the invention, is not that leakage current is detected from heating power supply, and
It is by detecting the electric current in water inlet pipe and/or outlet pipe, in this way, no matter leakage current comes from firewire or ground wire, as long as connecing
The water for touching human body has electric current generation, it becomes possible to the electric current is detected, so as to judge whether water storage device leaks electricity.Cause
This, the device of detection electric leakage of the invention, the result whether detection water storage device leaks electricity is more accurate, so as to avoid
Security risk is caused, user experience can also be improved.
The water storage device of the present invention, has the device for the detection electric leakage recorded above, therefore, it is not from heating power supply
Upper detection leakage current, but by detecting the electric current in water inlet pipe and/or outlet pipe, in this way, no matter leakage current is from fire
Line or ground wire, as long as the water of contact human body has electric current generation, it becomes possible to the electric current is detected, so as to judge water storage device
Whether leak electricity.Therefore, water storage device of the invention, it is more accurate to detect the result whether it leaks electricity, so as to
Avoid causing security risk, user experience can also be improved.
Brief description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the flow chart for the method that electric leakage is detected in first embodiment of the invention；
Fig. 2 is the structure diagram for the device that electric leakage is detected in second embodiment of the invention；
Fig. 3 is the structure diagram of water storage device in third embodiment of the invention.
Description of reference numerals
100：Detect the device of electric leakage；
110：Detection module；
111：First detecting electrode；
112：Second detecting electrode；
113：Sampling resistor；
120：Control module；
130：Acquisition module；
140：Display module；
150：Alarm module；
200：Water storage device；
210：Water tank；
220：Water inlet pipe；
230：Outlet pipe；
240：Heater box.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
With reference to figure 1, Fig. 2 and Fig. 3, the first aspect of the present invention, is related to a kind of method S100 for detecting electric leakage, for detecting
Whether the water storage device 200 with heating function leaks electricity, the water storage device 200 include water tank 210 and with the water tank
The water inlet pipe 220 and outlet pipe 230 of 210 inside connections, set at least one of the outlet pipe 230 and the water inlet pipe 220
Detection module 110 is equipped with, the detection module 110 includes spaced first detecting electrode, 111 and second detecting electrode
112.That is, according to actual needs, detection module 110 can be only provided with water inlet pipe 220, can also be only in water outlet
Detection module 110 is provided with pipe 230, it is, of course, also possible to be to be both provided with detection mould in water inlet pipe 220 and outlet pipe 230
Block 110.
It should be noted that do not defined for the concrete structure of water storage device 200, for example, the water storage device
200 can be the water heater of family expenses, it can also be common electrical heating Inflatable swimming pool.
The described method includes：
S110, obtain the electric signal that the detection module is exported.
Specifically, electric signal therein can be voltage, as shown in Figures 2 and 3, when water storage device 200 leaks electricity,
Electric current will be produced in water inlet pipe 220 and/or outlet pipe 230, the first detecting electrode in detection module 110 is flowed through when electric current
111 and during the second detecting electrode 112, then can output voltage.Therefore, the voltage that can be exported by obtaining detection module 110
Signal judges whether water storage device 200 leaks electricity.Certainly, electric signal can also be electric current, as it was previously stated, water storage device 200
When leaking electricity, electric current will be produced in water inlet pipe 220 and/or outlet pipe 230, can detect and flow through the first detecting electrode 111
Judge whether water storage device 200 leaks electricity with the electric current in the second detecting electrode 112.
S120, according to the electric signal, judge whether the water storage device leaks electricity.
Specifically, for example, can be by electric signal that step S110 is obtained compared with default electric signal, when acquisition
When electric signal is greater than or equal to default electric signal, then it can be determined that current water storage device leaks electricity.Conversely, when acquisition
When electric signal is less than default electric signal, then it can be determined that current water storage device does not have and leak electricity.
The method S100 of detection electric leakage in the present embodiment, obtains the electric signal that the detection module is exported and according to institute
State electric signal and judge whether water storage device leaks electricity.Since detection module therein is provided in water inlet pipe and/or outlet pipe
Interior, therefore, the method for the detection electric leakage of the present embodiment, is not that leakage current is detected from heating power supply, but pass through inspection
The electric current in water inlet pipe and/or outlet pipe is surveyed, in this way, no matter leakage current comes from firewire or ground wire, as long as contacting human body
Water has electric current generation, it becomes possible to the electric current is detected, so as to judge whether water storage device leaks electricity.Therefore, this implementation
The method of the detection electric leakage of example, the result whether detection water storage device leaks electricity is more accurate, so as to avoid causing pacifying
Full hidden danger, can also improve user experience.
Preferably, as shown in Figures 2 and 3, above-mentioned detection module 110, which further includes, is electrically connected first detecting electrode 111
With the sampling resistor 113 of second detecting electrode 112, the sampling resistor 113 has preset resistive value.
In this way, above-mentioned steps S110 includes：
The electric current on the sampling resistor is obtained, wherein, the electric current is the electric signal.
Correspondingly, above-mentioned steps S120 includes：
According to the electric current, judge whether the water storage device leaks electricity.
That is, as shown in Figures 2 and 3, the method S100 of the detection electric leakage in the present embodiment, is sampled by detecting
Electric current on resistance 113, and judge whether water storage device leaks electricity according to the electric current.Among these, sampling resistor 113 has pre-
Handicapping value, the preset resistive value can be definite according to being actually needed, still, in order to improve the accuracy of current measured, the sampling
The resistance value of resistance should be less than or the resistance much smaller than water in water inlet pipe 220 and outlet pipe 230.Therefore, the inspection in the present embodiment
Leak hunting electric method S100, can be especially sensitive, can effectively monitor because of electric current caused by electric leakage.
Preferably, it is above-mentioned according to the electric current, judge that the step of whether the water storage device leaks electricity includes：
By the electric current compared with predetermined current, when the electric current is greater than or equal to the predetermined current, judge
The water storage element leakage.
When the electric current is less than the predetermined current, the water storage device leakproof is judged.
Specifically, in this step, predetermined current can be set as 1mA, this is because, the present inventor passes through
Multiple theoretical test is found, when the electric current of electric leakage is greater than or equal to 1mA, although it will not produce fatal harm to user,
But uncomfortable experience can be brought to user, cause user experience to be deteriorated.Therefore, in this step, predetermined current is determined
Justice is 1mA.Certainly, this is not limitation of the present invention, can also be according to actual needs, which can also be set as
Other values.
Therefore, the method S100 of the detection electric leakage in the present embodiment, especially can delicately detect whether water storage device is sent out
Raw electric leakage, and can effectively monitor because electric current caused by electric leakage whether can to user caused by uncomfortable experience, so as to
To improve user experience.
Preferably, between first detecting electrode 111 and second detecting electrode 112 at intervals of 5-10cm, institute
The preset resistive value for stating sampling resistor 113 is 10-15 Ω.
The method S100 of detection electric leakage in the present embodiment, further especially delicately can detect whether water storage device is sent out
Raw electric leakage, so as to further effectively monitoring because electric current caused by electric leakage whether can to user caused by uncomfortable body
Test, and then user experience can be improved.
Certainly, according to actual needs, interval can also take between the first detecting electrode 111 and the second detecting electrode 112
Other values, the preset resistive value of sampling resistor 113 can also be other values.
Preferably, the detection method further includes：
S130, when judging the water storage element leakage, show the electric signal and output alarm signal.
Specifically, for example, by taking the electric signal is electric current as an example, as described above, when the electric current acquired is greater than or equal to
During predetermined current, represent that current water storage device has electric leakage, therefore, should show the size of the electric current, and export alarm signal
Number with call user's attention, therefore user experience can be further improved.
The second aspect of the present invention, as shown in Figures 2 and 3, there is provided a kind of device 100 for detecting electric leakage, for detecting
Whether the water storage device 200 with heating function leaks electricity, the water storage device 200 include water tank 210 and with the water tank
The water inlet pipe 220 and outlet pipe 230 of 210 inside connections, described device include detection module 110, control module 120 and obtain mould
Block 130.Wherein, the detection module 110 is provided with least one of the water inlet pipe 220 and the outlet pipe 230, it is described
Detection module 110 includes spaced first detecting electrode, 111 and second detecting electrode 112.
Wherein, above-mentioned acquisition module 130 is used to obtain the electric signal that the detection module 110 is exported.
Above-mentioned control module 120 is used for according to the electric signal, judges whether the water storage device 200 leaks electricity.
The device 100 of detection electric leakage in the present embodiment, it is defeated to obtain the institute of detection module 110 by acquisition module 130
The electric signal gone out, control module 120 judge whether water storage device 200 leaks electricity according to the electric signal.Due to inspection therein
Module 110 is surveyed to be provided in water inlet pipe 220 and/or outlet pipe 230, therefore, the device of the detection electric leakage of the present embodiment, and
It is not that leakage current is detected from heating power supply, but by detecting the electric current in water inlet pipe 220 and/or outlet pipe 230, this
Sample, no matter leakage current comes from firewire or ground wire, as long as the water of contact human body has electric current generation, it becomes possible to detect the electricity
Stream, so as to judge whether water storage device 200 leaks electricity.Therefore, the device of the detection electric leakage of the present embodiment, detects water storage
The result whether device 200 leaks electricity is more accurate, so as to avoid causing security risk, can also improve user's body
Test.
It should be noted that do not defined for the concrete structure of water storage device 200, for example, the water storage device
200 can be the water heater of family expenses, it can also be common electrical heating Inflatable swimming pool.
Preferably, as shown in Figures 2 and 3, the detection module 110, which further includes, is electrically connected first detecting electrode 111
With the sampling resistor 113 of second detecting electrode 112, the sampling resistor 113 has preset resistive value.
The acquisition module 130 is used to obtain the electric current on the sampling resistor 113, and the electric current is the electric signal.
The control module 120 is used for according to the electric current, judges whether the water storage device 200 leaks electricity.
That is, as shown in Figures 2 and 3, the device 100 of the detection electric leakage in the present embodiment, is sampled by detecting
Electric current on resistance 113, and judge whether water storage device 200 leaks electricity according to the electric current.Among these, sampling resistor 113 has
There is preset resistive value, which can determine according to being actually needed, still, should in order to improve the accuracy of current measured
The resistance value of sampling resistor 113 should be less than or the resistance much smaller than water in water inlet pipe 220 and outlet pipe 230.Therefore, the present embodiment
In detection electric leakage device 100, can be especially sensitive, can effectively monitor because of electric current caused by electric leakage.
Preferably, the control module 120 is used for：
By the electric current compared with predetermined current, when the electric current is greater than or equal to the predetermined current, judge
The water storage device 200 leaks electricity.And
When the electric current is less than the predetermined current, 200 leakproof of water storage device is judged.
Related record above is may be referred to for the value of predetermined current, therefore not to repeat here.
Therefore, whether the device 100 of the detection electric leakage in the present embodiment, especially can delicately detect water storage device 200
Leak electricity, and can effectively monitor because electric current caused by electric leakage whether can to user caused by uncomfortable experience so that
User experience can be improved.
Preferably, as shown in Figures 2 and 3, described device further includes display module 140 and alarm module 150.
Wherein, the display module 140 is used to show the electric signal.The display module 140, for example, it may be display
Screen etc. has the device of display function.
When the control module 120 judges that the water storage device 200 leaks electricity, the alarm module 150, which is used to export, to be reported
Alert signal.
The third aspect of the present invention, there is provided a kind of water storage device 200, the water storage device 200 include detection electric leakage
Device 100, water tank 210 and the water inlet pipe 220 and outlet pipe 230 connected with the water tank 210, the detection electric leakage
Device 100 includes the device 100 for the detection electric leakage recorded above, and the water inlet pipe 220 and the outlet pipe 230 are extremely
The detection module 110 is provided with few one.Certainly, as shown in figure 3, the water storage device 200, can also include being used to heat
The heater box 240 of water tank 210.
Therefore, the water storage device 200 of the present embodiment, has the device 100 for the detection electric leakage recorded above, therefore, it is simultaneously
It is not that leakage current is detected from heating power supply, but by detecting the electric current in water inlet pipe 220 and/or outlet pipe 230, this
Sample, no matter leakage current comes from firewire or ground wire, as long as the water of contact human body has electric current generation, it becomes possible to detect the electricity
Stream, so as to judge whether water storage device 200 leaks electricity.Therefore, whether the water storage device 200 of the present embodiment, detect it
The result leaked electricity is more accurate, so as to avoid causing security risk, can also improve user experience.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the present invention is not limited thereto.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of method for detecting electric leakage, for detecting whether the water storage device with heating function leaks electricity, the water storage device
Including water tank and with the water inlet pipe and outlet pipe that connect inside the water tank, it is characterised in that the outlet pipe and described
Detection module is provided with least one of water inlet pipe, the detection module includes spaced first detecting electrode and second
Detecting electrode, the described method includes：
Obtain the electric signal that the detection module is exported；
According to the electric signal, judge whether the water storage device leaks electricity.
2. the method for detection electric leakage according to claim 1, it is characterised in that the detection module, which further includes, is electrically connected institute
The sampling resistor of the first detecting electrode and second detecting electrode is stated, the sampling resistor has preset resistive value；
Described the step of obtaining the electric signal that the detection module is exported, includes：
The electric current on the sampling resistor is obtained, wherein, the electric current is the electric signal；
It is described according to the electric signal, judge that the step of whether the water storage device leaks electricity includes：
According to the electric current, judge whether the water storage device leaks electricity.
3. the method for detection electric leakage according to claim 2, it is characterised in that it is described according to the electric current, described in judgement
The step of whether water storage device leaks electricity includes：
By the electric current compared with predetermined current, when the electric current is greater than or equal to the predetermined current, described in judgement
Water storage element leakage；And
When the electric current is less than the predetermined current, the water storage device leakproof is judged.
4. the method for the detection electric leakage according to Claims 2 or 3, it is characterised in that first detecting electrode and described
Between second detecting electrode at intervals of 5-10cm, the preset resistive value of the sampling resistor is 10-15 Ω.
5. the method for detection electric leakage as claimed in any of claims 1 to 3, it is characterised in that the detection method
Further include：
When judging the water storage element leakage, the electric signal and output alarm signal are shown.
6. a kind of device for detecting electric leakage, for detecting whether the water storage device with heating function leaks electricity, the water storage device
The water inlet pipe and outlet pipe connected including water tank and with water tank inside, it is characterised in that described device includes detection
Module, control module and acquisition module；The detection module is provided with least one of the water inlet pipe and the outlet pipe,
The detection module includes spaced first detecting electrode and the second detecting electrode：
The acquisition module is used to obtain the electric signal that the detection module is exported；
The control module is used for according to the electric signal, judges whether the water storage device leaks electricity.
7. the device of detection electric leakage according to claim 6, it is characterised in that the detection module, which further includes, is electrically connected institute
The sampling resistor of the first detecting electrode and second detecting electrode is stated, the sampling resistor has preset resistive value；
The acquisition module is used to obtain the electric current on the sampling resistor, and the electric current is the electric signal；
The control module is used for according to the electric current, judges whether the water storage device leaks electricity.
8. the device of detection electric leakage according to claim 7, it is characterised in that the control module is used for：
By the electric current compared with predetermined current, when the electric current is greater than or equal to the predetermined current, described in judgement
Water storage element leakage；And
When the electric current is less than the predetermined current, the water storage device leakproof is judged.
9. the device of the detection electric leakage according to any one in claim 6 to 8, it is characterised in that described device is also wrapped
Include display module and alarm module；
The display module is used to show the electric signal；
When the control module judges the water storage element leakage, the alarm module is used for output alarm signal.
10. a kind of water storage device, the water storage device includes detecting the device of electric leakage, water tank and is connected with the water tank
Water inlet pipe and outlet pipe, it is characterised in that it is described detection electric leakage device include claim 6 to 9 described in detection electric leakage
Device, be provided with the detection module at least one of the water inlet pipe and the outlet pipe.
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| CN201711165372.XA CN107976604A (en) | 2017-11-20 | 2017-11-20 | Detect method, the device and water storage device of detection electric leakage of electric leakage |
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| CN201711165372.XA CN107976604A (en) | 2017-11-20 | 2017-11-20 | Detect method, the device and water storage device of detection electric leakage of electric leakage |
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| CN109490692A (en) * | 2018-11-27 | 2019-03-19 | 佛山市铠德利光电科技有限公司 | Floor tile with electric leakage prompt facility |
| CN110514894A (en) * | 2019-07-24 | 2019-11-29 | 中石化南京工程有限公司 | A kind of electric furnace short net cooling water system design method based on electric leakage safety |
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