CN115989912A - Low-voltage live working insulating glove with moisture detection function and preparation method thereof - Google Patents
Low-voltage live working insulating glove with moisture detection function and preparation method thereof Download PDFInfo
- Publication number
- CN115989912A CN115989912A CN202211312695.8A CN202211312695A CN115989912A CN 115989912 A CN115989912 A CN 115989912A CN 202211312695 A CN202211312695 A CN 202211312695A CN 115989912 A CN115989912 A CN 115989912A
- Authority
- CN
- China
- Prior art keywords
- insulating glove
- piezoelectric sensing
- low
- live working
- detection unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 127
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 235000012431 wafers Nutrition 0.000 claims abstract description 81
- 229920001721 polyimide Polymers 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims description 24
- 239000011229 interlayer Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 abstract description 24
- 230000007547 defect Effects 0.000 abstract description 10
- 230000009545 invasion Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 7
- 238000013016 damping Methods 0.000 abstract 3
- 230000035882 stress Effects 0.000 description 25
- 230000008569 process Effects 0.000 description 16
- 238000012423 maintenance Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to the technical field of power equipment, and provides a low-voltage live working insulating glove with a damping detection function and a preparation method thereof, wherein the low-voltage live working insulating glove comprises an insulating glove, a plurality of piezoelectric sensing wafers arranged on the inner surface of the insulating glove, and a detection unit for damping detection according to sensing signals transmitted by the piezoelectric sensing wafers and displaying damping detection results; the detection unit is arranged on the outer surface of the insulating glove, and the output end of the piezoelectric sensing wafer is connected with the input end of the detection unit; the surface of the piezoelectric sensing wafer is coated with a polyimide film. When the insulation glove is penetrated suddenly to cause moisture invasion, the stress generated by the expansion of polyimide is sensed by the piezoelectric sensing wafer by utilizing the characteristic of the moisture expansion of polyimide, and the stress is transmitted to the detection unit for detection and display of detection results. When no damp defect exists, the stress is zero; along with the serious degree of the damp defect, the stress is gradually increased, and the detection unit outputs the damp detection result according to the stress and displays the result.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a low-voltage live working insulating glove with a moisture detection function and a preparation method thereof.
Background
The insulating glove is used as a most common protective article for preventing electric shock of electric operators, and plays roles in preventing contact voltage, step voltage, leakage current arc injury and the like in live working. At present, the insulating glove is generally made of insulating rubber materials, and the insulating layer forms a closed insulating system to protect hands. In the long-term use process, the phenomena of abrasion, puncture, aging and the like of the insulating glove easily occur under the complex working environment, crack defects are left on the surface of the glove, the original airtight insulating system is destroyed, external moisture is caused to invade the glove through cracks, leakage current is possibly increased during live working, and the personal safety of operators is endangered. In this regard, the maintenance personnel are required to periodically perform moisture detection on the insulating glove.
At present, the moisture detection is mainly carried out by detecting crack defects, relying on manual observation and judgment, the glove is seamlessly abutted by using a tightness detection device, air is filled into the glove, after the glove is curled to a certain degree towards the direction of fingers, the pressure of the air in the glove is increased to expand, and whether air leakage occurs is observed by naked eyes. However, the method has low detection sensitivity, can effectively detect the defects only when the defects of cracks are serious, and cannot effectively detect the defects when the glove is locally and finely pierced. In addition, the method requires an additional damage detection device, and can not detect the water inlet condition of the glove cracks in real time in the use process of operation and maintenance personnel. If operation and maintenance personnel wear gloves to puncture suddenly in a wet environment, the operation and maintenance personnel cannot give an alarm timely, and personal safety accidents can be caused.
Disclosure of Invention
The invention provides a low-voltage live working insulating glove with moisture detection and a preparation method of the low-voltage live working insulating glove with moisture detection, which are used for overcoming the defects that the detection sensitivity and accuracy are low and the moisture condition of the glove can not be detected in real time in the using process.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the low-voltage live working insulating glove with the moisture detection function comprises an insulating glove, a plurality of piezoelectric sensing wafers arranged on the inner surface of the insulating glove, and a detection unit used for performing the moisture detection according to sensing signals transmitted by the piezoelectric sensing wafers and displaying the moisture detection result; the detection unit is arranged on the outer surface of the insulating glove, and the output end of the piezoelectric sensing wafer is connected with the input end of the detection unit; the surface of the piezoelectric sensing wafer is coated with a polyimide film.
In the technical scheme, when moisture invasion is caused by sudden puncture of the insulating glove, the stress generated by expansion of polyimide is sensed by the piezoelectric sensing wafer by utilizing the characteristic of moisture expansion of polyimide, and is transmitted to the detection unit for detection and display of detection results. When no damp defect exists, the stress is zero; along with the serious degree of the damp defect, the stress is gradually increased, and the detection unit outputs the damp detection result according to the stress and displays the result.
As a preferable scheme, the PVC interlayer is laid on the inner surface of the insulating glove, and the piezoelectric sensing wafer is arranged between the insulating glove and the PVC interlayer.
Preferably, the piezoelectric sensing chip is arranged at the position of the finger, the back of the hand and/or the palm of the hand of the insulating glove.
Preferably, the piezoelectric sensing chip is connected with the detection unit by adopting a small-diameter cable.
Preferably, the thickness of the polyimide film coated on the surface of the piezoelectric sensing wafer is 30 μm.
As a preferred scheme, the detection unit comprises a charge amplifier, a measurement amplifying circuit, a transformation resistor and a display screen which are sequentially connected, wherein the output end of the piezoelectric sensing wafer is connected with the input end of the charge amplifier, and the output end of the transformation resistor is connected with the input end of the display screen.
Preferably, the detection unit further comprises an alarm circuit, and an input end of the alarm circuit is connected with an output end of the transformation resistor.
Furthermore, the invention also provides a preparation method of the low-voltage live working insulating glove with the moisture detection function, which is used for preparing the low-voltage live working insulating glove with the moisture detection function. The method comprises the following steps of:
s1, coating a polyimide film on the surface of a piezoelectric sensing wafer;
s2, placing the piezoelectric sensing wafer in a constant-temperature drying oven, and performing impurity volatilization, film curing treatment and thickness control on the piezoelectric sensing wafer coated with the polyimide film by utilizing different temperatures;
s3, mounting the piezoelectric sensing wafer prepared in the step S2 on the positions of fingers, the back of the hand and the palm of the inner surface of the insulating glove;
and S4, connecting the piezoelectric sensing wafers to the detection unit by adopting a small-diameter cable after serial cascading, and installing the detection unit on the outer surface of the insulating glove to finish the preparation.
In the step S2, the piezoelectric sensor wafer is placed in a constant temperature drying oven to respectively adjust the temperature of the third gear 100 ℃, 166 ℃ and 280 ℃ for constant temperature drying.
In the step S1, the surface of the piezoelectric sensor wafer is pretreated with a silane coupling agent, and then a polyimide film is coated on the surface of the piezoelectric sensor wafer.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: according to the invention, the piezoelectric sensing wafer coated with the polyimide film is arranged in the insulating glove, so that the characteristics of polyimide that the polyimide is sensitive to humidity and easy to be subjected to damp expansion are utilized to convert damp detection into stress detection, and the detection unit is matched to realize the damp detection in the working process, so that personal safety accidents are avoided.
Drawings
Fig. 1 is a schematic diagram showing the internal structure of the low-voltage live working insulating glove with moisture detection of example 1.
Fig. 2 is a schematic cross-sectional view of the low voltage live working insulating glove with moisture detection of example 2.
Fig. 3 is a schematic view showing the external structure of the low-voltage live working insulating glove with moisture detection of example 3.
Fig. 4 is a schematic structural diagram of the detection unit of embodiment 4.
Fig. 5 is a flowchart of a method for manufacturing the low voltage live working insulating glove with moisture detection of example 5.
The device comprises a 1-insulating glove, a 2-piezoelectric sensing wafer, a 3-detecting unit, a 31-charge amplifier, a 32-measurement amplifying circuit, a 33-conversion resistor, a 34-display screen, a 35-alarm circuit, a 4-polyimide film, a 5-PVC interlayer and a 6-small-diameter cable.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions;
it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Example 1
The embodiment provides a low-voltage live working insulating glove with moisture detection, as shown in fig. 1, which is a schematic structural diagram of the low-voltage live working insulating glove with moisture detection in the embodiment.
The low-voltage live working insulating glove with the moisture detection function comprises an insulating glove 1, a plurality of piezoelectric sensing wafers 2 arranged on the inner surface of the insulating glove 1, and a detection unit 3 connected with the piezoelectric sensing wafers 2.
The surface of the piezoelectric sensing wafer 2 is coated with a polyimide film 4, and the characteristics of polyimide that the polyimide is sensitive to humidity and easy to expand due to humidity are utilized to convert humidity detection into stress detection.
In a specific embodiment, the thickness of the polyimide film 4 coated on the surface of the piezoelectric sensing wafer 2 is 30 μm.
When the piezoelectric sensor wafer 2 receives an external force in a certain direction, charges Q with opposite polarities are correspondingly generated on the surface of the piezoelectric wafer due to the polarization effect of the internal charges. When the external force F disappears, the uncharged state is restored; when the direction of the external force F is changed, the polarity of the electric charge is also changed. Assuming that the piezoelectric wafer has a length L and a thickness δ, there are:
the detecting unit 3 in this embodiment is disposed on the outer surface of the insulating glove 1, and is used for detecting moisture according to the sensing signal transmitted by the piezoelectric sensing wafer 2, and displaying the detection result of moisture. The operation and maintenance personnel can obtain the current water inlet humidifying condition of the insulating glove 1 according to the detection result displayed on the outer surface of the insulating glove 1 in the operation process, so that real-time humidifying detection is realized.
In the specific implementation process, when the insulation glove 1 is penetrated suddenly to cause moisture invasion, the stress generated by the expansion of polyimide is sensed by the piezoelectric sensing wafer 2 by utilizing the characteristic of the moisture expansion of polyimide and is transmitted to the detection unit 3 for detection; the detection unit 3 is preset with a detection threshold, when the induced stress is greater than the preset detection threshold, a damp warning is output and displayed, and/or the current induced stress is output and displayed, so that an operation and maintenance person can learn the current water inlet damp condition of the insulating glove 1 according to the damp warning and/or the current stress displayed on the outer surface of the insulating glove in the use process, thereby avoiding personal safety accidents.
In this embodiment, through the piezoelectric sensing wafer 2 with the polyimide film 4 coated inside the insulating glove 1, the characteristics of polyimide that the polyimide is sensitive to humidity and is easy to be damp and expand are utilized to convert the damp detection into the stress detection, and the detection unit 3 is matched to realize the damp detection in the working process, so that the personal safety accident is avoided.
Example 2
This example was modified based on the low voltage live working insulated glove with moisture detection set forth in example 1.
The low-voltage live working insulating glove with the moisture detection function comprises an insulating glove 1, a plurality of piezoelectric sensing wafers 2 arranged on the inner surface of the insulating glove 1, and a detection unit 3 for detecting the moisture according to sensing signals transmitted by the piezoelectric sensing wafers 2 and displaying the moisture detection result.
The inner surface of the insulating glove 1 in the embodiment is coated with a PVC interlayer 5, and the piezoelectric sensing wafer 2 is disposed between the insulating glove 1 and the PVC interlayer 5.
Fig. 2 is a schematic cross-sectional view of the low-voltage live working insulating glove with moisture detection according to the present embodiment.
The PVC interlayer 5 is used for preventing the influence of external stress extrusion on the piezoelectric sensor wafer 2 while ensuring comfortable wearing handfeel.
In the specific implementation process, when the insulation glove 1 is penetrated suddenly to cause moisture invasion, the stress generated by the expansion of polyimide is sensed by the piezoelectric sensing wafer 2 by utilizing the characteristic of the moisture expansion of polyimide and is transmitted to the detection unit 3 for detection; the detection unit 3 is preset with a detection threshold, when the induced stress is greater than the preset detection threshold, a damp warning is output and displayed, and/or the current induced stress is output and displayed, so that an operation and maintenance person can learn the current water inlet damp condition of the insulating glove 1 according to the damp warning and/or the current stress displayed on the outer surface of the insulating glove in the use process, thereby avoiding personal safety accidents.
In addition, when the insulation glove 1 is suddenly pierced to cause water invasion, the PVC interlayer 5 can prevent the insulation glove 1 from being completely pierced to a certain extent, and excellent electrical insulation of the PVC interlayer 5 can be utilized to prevent operation and maintenance personnel from being shocked.
Example 3
In this example, an improvement was made on the basis of the low-voltage live working insulating glove with moisture detection set forth in example 1 or 2.
The low-voltage live working insulating glove with the moisture detection function comprises an insulating glove 1, a plurality of piezoelectric sensing wafers 2 arranged on the inner surface of the insulating glove 1, and a detection unit 3 connected with the piezoelectric sensing wafers 2.
The surface of the piezoelectric sensing wafer 2 is coated with a polyimide film 4, and the characteristics of polyimide that the polyimide is sensitive to humidity and easy to expand due to humidity are utilized to convert humidity detection into stress detection.
The detecting unit 3 is disposed on the outer surface of the insulating glove 1, and is used for detecting moisture according to the sensing signal transmitted by the piezoelectric sensing wafer 2, and displaying the detection result of moisture. The operation and maintenance personnel can obtain the current water inlet humidifying condition of the insulating glove 1 according to the detection result displayed on the outer surface of the insulating glove 1 in the operation process, so that real-time humidifying detection is realized.
The piezoelectric sensing wafers 2 in the embodiment are arranged on the inner sides of the positions of the fingers, the back of the hand and/or the palm of the insulated glove 1, and a proper number of piezoelectric sensing wafers 2 are arranged according to the working environment in the use process.
Further, the piezoelectric sensing die 2 in this embodiment is connected to the detecting unit 3 by using a small-diameter cable 6, and the piezoelectric sensing die 2 are serially connected by using the small-diameter cable 6.
Fig. 3 is a schematic view showing the external structure of the low-voltage live working insulating glove with moisture detection according to the present embodiment.
In the specific implementation process, a certain number of piezoelectric sensing wafers 2 are arranged in the insulating glove 1 according to specific operation and maintenance work requirements and work environments, and small-diameter cables 6 are adopted between the piezoelectric sensing wafers 2 to be connected in series in a cascading mode and connected with the detection unit 3. When the insulation glove 1 is penetrated suddenly to cause water invasion, the stress generated by the expansion of polyimide is sensed by the piezoelectric sensing wafer 2 by utilizing the characteristic of the moisture expansion of polyimide and is transmitted to the detection unit 3 for detection; the detection unit 3 is preset with a detection threshold, when the induced stress is greater than the preset detection threshold, a damp warning is output and displayed, and/or the current induced stress is output and displayed, so that an operation and maintenance person can learn the current water inlet damp condition of the insulating glove 1 according to the damp warning and/or the current stress displayed on the outer surface of the insulating glove in the use process, thereby avoiding personal safety accidents.
Example 4
This example was modified based on the low voltage live working insulated glove with moisture detection set forth in examples 1-3.
The low-voltage live working insulating glove with the moisture detection function comprises an insulating glove 1, a plurality of piezoelectric sensing wafers 2 arranged on the inner surface of the insulating glove 1, and a detection unit 3 connected with the piezoelectric sensing wafers 2.
The surface of the piezoelectric sensing wafer 2 is coated with a polyimide film 4, and the characteristics of polyimide that the polyimide is sensitive to humidity and easy to expand due to humidity are utilized to convert humidity detection into stress detection.
The detecting unit 3 is disposed on the outer surface of the insulating glove 1, and is used for detecting moisture according to the sensing signal transmitted by the piezoelectric sensing wafer 2, and displaying the detection result of moisture. The operation and maintenance personnel can obtain the current water inlet humidifying condition of the insulating glove 1 according to the detection result displayed on the outer surface of the insulating glove 1 in the operation process, so that real-time humidifying detection is realized.
Further, in this embodiment, the detecting unit 3 includes a charge amplifier 31, a measurement amplifying circuit 32, a transformation resistor 33, and a display screen 34, which are sequentially connected, where an output end of the piezoelectric sensor chip 2 is connected to an input end of the charge amplifier 31, and an output end of the transformation resistor 33 is connected to an input end of the display screen 34.
As shown in fig. 4, the structure of the detecting unit 3 of the present embodiment is schematically shown.
When the insulating glove 1 is penetrated suddenly to cause water invasion, the stress generated by the expansion of polyimide is induced by the piezoelectric sensing wafer 2 by utilizing the characteristic that polyimide expands when wetted. After the charge signal collected by the piezoelectric sensing wafer 2 is amplified by the charge amplifier 31 with capacitor plate feedback, the charge signal is input to the measurement amplifying circuit 32 with resistor feedback to further amplify the voltage signal, and finally the processed signal is output to the display screen 34 through the conversion resistor, and the current induced stress is displayed through the display screen 34. The operation and maintenance personnel can know the current glove water inlet and moisture conditions according to the stress displayed on the outer surface of the insulating glove 1 in the use process, so that personal safety accidents are avoided.
In another embodiment, the detection unit 3 further comprises an alarm circuit 35, an input of the alarm circuit 35 being connected to an output of the transforming resistor 33. When the insulation glove 1 is penetrated suddenly to cause water invasion, the stress generated by the expansion of polyimide is sensed by the piezoelectric sensing wafer 2 by utilizing the characteristic that polyimide is wetted and expanded, the charge signal collected by the piezoelectric sensing wafer 2 is amplified by the charge amplifier 31 with capacitor plate feedback and then is input into the measurement amplifying circuit 32 with resistance feedback to further amplify the voltage signal, finally the processed signal is output to the display screen 34 through the conversion resistor, and meanwhile, the signal through the conversion resistor is input into the alarm circuit 35, and the alarm circuit 35 sends out an alarm signal or alarm sound.
In one implementation, a buzzer is included in the alarm circuit 35.
Example 5
The embodiment provides a preparation method of a low-voltage live working insulating glove with moisture detection, which is used for preparing the low-voltage live working insulating glove with moisture detection provided in any one of embodiments 1 to 4.
As shown in fig. 5, a flowchart of a method for manufacturing the low-voltage live working insulating glove with moisture detection according to this embodiment is shown.
The preparation method of the low-voltage live working insulating glove with the moisture detection provided by the embodiment comprises the following steps:
s1, coating a polyimide film 4 on the surface of a piezoelectric sensing wafer 2;
s2, placing the piezoelectric sensing wafer 2 in a constant-temperature drying oven, and performing impurity volatilization, film curing treatment and thickness control on the piezoelectric sensing wafer 2 coated with the polyimide film 4 by utilizing different temperatures;
s3, mounting the piezoelectric sensing wafer 2 prepared in the step S2 on the positions of fingers, the back of the hand and the palm of the inner surface of the insulating glove 1;
s4, after the piezoelectric sensing wafers 2 are serially cascaded, the piezoelectric sensing wafers are connected to the detection unit 3 by adopting the small-diameter cables 6, and the detection unit 3 is arranged on the outer surface of the insulating glove 1, so that the preparation is completed.
Wherein a polyimide film 4 having a thickness of 30 μm is uniformly coated on the surface of the piezoelectric sense die 2.
In another embodiment, the surface of the piezoelectric sense die 2 is pretreated with a silane coupling agent solution, and then a polyimide film 4 having a thickness of 30 μm is uniformly coated for improving the adhesion property of the polyimide film 4 to the piezoelectric sense die 2.
In another embodiment, the piezoelectric sensor wafer 2 with the polyimide film 4 coated is placed in a constant temperature drying oven, the temperature of three steps of 100 ℃, 166 ℃ and 280 ℃ are respectively adjusted to perform constant temperature drying, and the piezoelectric sensor wafer 2 with the coating operation is subjected to impurity volatilization, film curing treatment and thickness control by using different temperatures.
The same or similar reference numerals correspond to the same or similar components;
the terms describing the positional relationship in the drawings are merely illustrative, and are not to be construed as limiting the present patent;
it is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. The low-voltage live working insulating glove with the moisture detection function comprises an insulating glove (1) and is characterized by further comprising a plurality of piezoelectric sensing wafers (2) arranged on the inner surface of the insulating glove (1), and a detection unit (3) for performing the moisture detection according to sensing signals transmitted by the piezoelectric sensing wafers (2) and displaying the moisture detection result; the detection unit (3) is arranged on the outer surface of the insulating glove (1), and the output end of the piezoelectric sensing wafer (2) is connected with the input end of the detection unit (3); the surface of the piezoelectric sensing wafer (2) is coated with a polyimide film (4).
2. The low-voltage live working insulating glove with the moisture detection function according to claim 1, wherein a PVC interlayer (5) is coated on the inner surface of the insulating glove (1), and the piezoelectric sensing wafer (2) is arranged between the insulating glove (1) and the PVC interlayer (5).
3. Low-voltage live working insulating glove with moisture detection according to claim 1, characterized in that the piezoelectric sensor wafer (2) is arranged at the finger, back of hand and/or palm position of the insulating glove (1).
4. The low-voltage live working insulating glove with the moisture detection function according to claim 1, wherein the piezoelectric sensing wafers (2) are connected with the detection unit (3) by adopting small-diameter cables (6), and the small-diameter cables (6) are serially connected in a cascade mode between the piezoelectric sensing wafers (2).
5. The low-voltage live working insulating glove with moisture detection according to claim 1, wherein the thickness of the polyimide film (4) coated on the surface of the piezoelectric sensor wafer (2) is 30 μm.
6. The low-voltage live working insulating glove with the moisture detection function according to claim 1, wherein the detection unit (3) comprises a charge amplifier (31), a measurement amplifying circuit (32), a transformation resistor (33) and a display screen (34) which are sequentially connected, the output end of the piezoelectric sensing wafer (2) is connected with the input end of the charge amplifier (31), and the output end of the transformation resistor (33) is connected with the input end of the display screen (34).
7. The low-voltage live working insulating glove with moisture detection according to claim 6, characterized in that the detection unit (3) further comprises an alarm circuit (35), the input of the alarm circuit (35) being connected to the output of the transformation resistor (33).
8. A method for manufacturing a low voltage live working insulating glove with moisture detection according to any one of claims 1 to 7, comprising the steps of:
s1, coating a polyimide film (4) on the surface of a piezoelectric sensing wafer (2);
s2, placing the piezoelectric sensing wafer (2) in a constant-temperature drying oven, and performing impurity volatilization, film curing treatment and thickness control on the piezoelectric sensing wafer (2) coated with the polyimide film (4) by utilizing different temperatures;
s3, mounting the piezoelectric sensing wafer (2) prepared in the step S2 on the positions of fingers, the back of hands and the palm of the inner surface of the insulating glove (1);
s4, connecting the piezoelectric sensing wafers (2) to the detection unit (3) by adopting a small-diameter cable (6) after serial cascading, and installing the detection unit (3) on the outer surface of the insulating glove (1) to finish preparation.
9. The method for manufacturing the low-voltage live working insulating glove with the moisture detection function according to claim 8, wherein in the step S2, the piezoelectric sensing wafer (2) is placed in a constant-temperature drying oven to respectively adjust the temperature of three steps of 100 ℃, 166 ℃ and 280 ℃ for constant-temperature drying.
10. The method for manufacturing the low-voltage live working insulating glove with the moisture detection function according to claim 8, wherein in the step S1, after the surface of the piezoelectric sensing wafer (2) is pretreated by adopting a silane coupling agent, a polyimide film (4) is coated on the surface of the piezoelectric sensing wafer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211312695.8A CN115989912A (en) | 2022-10-25 | 2022-10-25 | Low-voltage live working insulating glove with moisture detection function and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211312695.8A CN115989912A (en) | 2022-10-25 | 2022-10-25 | Low-voltage live working insulating glove with moisture detection function and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115989912A true CN115989912A (en) | 2023-04-21 |
Family
ID=85991007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211312695.8A Pending CN115989912A (en) | 2022-10-25 | 2022-10-25 | Low-voltage live working insulating glove with moisture detection function and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115989912A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018289A (en) * | 2013-01-04 | 2013-04-03 | 东南大学 | Capacitive humidity sensor |
| CN203884759U (en) * | 2014-04-09 | 2014-10-22 | 国家电网公司 | Glove for live-line operation |
| CN104133122A (en) * | 2014-07-04 | 2014-11-05 | 中国石油化工股份有限公司 | Oil product static-electricity online monitor |
| CN105286140A (en) * | 2015-10-27 | 2016-02-03 | 国网山东济宁市任城区供电公司 | Power insulating glove and using method thereof |
| CN107595251A (en) * | 2017-10-09 | 2018-01-19 | 安徽理工大学 | A kind of system of monitoring sleep |
| CN207323543U (en) * | 2017-03-29 | 2018-05-08 | 四川省人民医院 | A kind of medical alarm gloves |
| US20200080832A1 (en) * | 2018-09-06 | 2020-03-12 | Microsoft Technology Licensing, Llc | Sensor-integrated disposable cover |
| CN111487285A (en) * | 2020-06-02 | 2020-08-04 | 西安柯莱特信息科技有限公司 | Transverse field excited film bulk wave resonator humidity sensor |
| CN113009123A (en) * | 2021-03-05 | 2021-06-22 | 中南大学 | Micro piezoelectric quartz sensing blood coagulation monitoring system |
-
2022
- 2022-10-25 CN CN202211312695.8A patent/CN115989912A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018289A (en) * | 2013-01-04 | 2013-04-03 | 东南大学 | Capacitive humidity sensor |
| CN203884759U (en) * | 2014-04-09 | 2014-10-22 | 国家电网公司 | Glove for live-line operation |
| CN104133122A (en) * | 2014-07-04 | 2014-11-05 | 中国石油化工股份有限公司 | Oil product static-electricity online monitor |
| CN105286140A (en) * | 2015-10-27 | 2016-02-03 | 国网山东济宁市任城区供电公司 | Power insulating glove and using method thereof |
| CN207323543U (en) * | 2017-03-29 | 2018-05-08 | 四川省人民医院 | A kind of medical alarm gloves |
| CN107595251A (en) * | 2017-10-09 | 2018-01-19 | 安徽理工大学 | A kind of system of monitoring sleep |
| US20200080832A1 (en) * | 2018-09-06 | 2020-03-12 | Microsoft Technology Licensing, Llc | Sensor-integrated disposable cover |
| CN111487285A (en) * | 2020-06-02 | 2020-08-04 | 西安柯莱特信息科技有限公司 | Transverse field excited film bulk wave resonator humidity sensor |
| CN113009123A (en) * | 2021-03-05 | 2021-06-22 | 中南大学 | Micro piezoelectric quartz sensing blood coagulation monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11740142B2 (en) | Piezoelectric thin-film sensor and use thereof | |
| WO2016197429A1 (en) | Resistance strain gage and resistance strain sensor | |
| JP5933570B2 (en) | Contact probe and related inspection method | |
| CN115989912A (en) | Low-voltage live working insulating glove with moisture detection function and preparation method thereof | |
| WO2012036376A1 (en) | Insulator checking module and method for driving same, and insulator checking apparatus and method for same | |
| US5858291A (en) | Method of making an electrically conductive strain gauge material | |
| US11128114B2 (en) | Hazard detection system for portable electrical devices | |
| JPS62271304A (en) | Excessive temperature sensor for power source cable | |
| CN105890796A (en) | Cable conductor temperature measuring device | |
| Charalambides et al. | All-elastomer in-plane MEMS capacitive tactile sensor for normal force detection | |
| WO2009083558A3 (en) | System and method for the measurement and prevention of icing in a conduit | |
| CN104483044B (en) | Stress detection alarm device and method for knob insulator | |
| CN212847047U (en) | Passive line type fire detector | |
| Hautamaki et al. | Embedded microelectromechanical systems (MEMS) for measuring strain in composites | |
| Kalayeh et al. | Development and experimental validation of a non-linear, all-elastomer in-plane capacitive pressure sensor model | |
| CN1829017B (en) | Lightning method and apparatus of lightning film | |
| CN206285923U (en) | A kind of constant temperature and moisture test machine | |
| CN104101508A (en) | Mechanical parameter test device for explosion-venting window | |
| CA1123493A (en) | Pvc line fire detector | |
| JP2003098141A (en) | Dew point measuring device and its manufacturing method | |
| Wang et al. | A wireless and wearable measurement system for human body electrostatic monitoring application | |
| CN113096345A (en) | Alarm method of passive linear fire detector | |
| Zymelka et al. | Printed carbon-based sensors array for measuring 2D dynamic strain distribution and application in structural health monitoring | |
| CN219996412U (en) | Handheld micro-differential pressure gauge | |
| Staebler et al. | High temperature monitoring by means of electrical properties of CMC materials under tensile stress |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230421 |