CN220603349U - Detection equipment for DMD prepreg - Google Patents
Detection equipment for DMD prepreg Download PDFInfo
- Publication number
- CN220603349U CN220603349U CN202322204495.7U CN202322204495U CN220603349U CN 220603349 U CN220603349 U CN 220603349U CN 202322204495 U CN202322204495 U CN 202322204495U CN 220603349 U CN220603349 U CN 220603349U
- Authority
- CN
- China
- Prior art keywords
- dmd
- prepreg
- shell
- detection
- dmd prepreg
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 238000005485 electric heating Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
Abstract
The utility model discloses a detection device for DMD prepreg, which comprises: the operation panel is provided with a useful controller and an LED display, the top of the operation panel is provided with a bracket, the top of the bracket is provided with a shell, the middle of the shell is provided with a detection chamber, the inside of the detection chamber is provided with an electric heating plate, the middle of the shell is provided with a cover, and the bottom of the middle of the cover is provided with a temperature sensor; two through grooves are symmetrically formed in the shell, and a stretch-proof mechanism for detecting stretch-proof of the prepreg is arranged in each through groove; according to the utility model, the DMD prepreg is placed in the shell, so that the risk of scalding caused by taking down the hot prepreg can be avoided, the safety protection level of operators is improved, and meanwhile, the thermal performance of the DMD prepreg is detected through the combined use of the covering cover and the temperature sensor, so that the detection efficiency can be improved.
Description
Technical Field
The utility model relates to the technical field of detection of prepreg, in particular to detection equipment for DMD prepreg.
Background
DMD prepreg is an insulating material commonly used for insulating and isolating electrical devices such as motors, transformers, and the like. It is composed of two layers of mica sheets and a layer of polyester film sandwiched between the two layers of mica sheets, and is subjected to specific resin impregnation treatment. The DMD prepreg has good electrical insulation performance, heat resistance and mechanical strength, and is suitable for insulation requirements in high-temperature and high-voltage environments.
However, when the thermal performance of the heated DMD prepreg is detected, the high Wen Qingkuang of the actual use condition can be simulated by heating the DMD prepreg, so that the performance of the DMD prepreg in a high-temperature environment is evaluated, when the heated DMD prepreg is moved for thermal performance detection, the detector is easy to scald, and when the heated DMD prepreg is moved, the detector is carefully moved, so that the detection efficiency is reduced, and therefore, the detection device for the DMD prepreg is provided.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art.
Therefore, one object of the present utility model is to provide a detection device for DMD prepreg, comprising an operation table, wherein a controller and an LED display are installed on the operation table, a bracket is installed on the top of the operation table, a housing is installed on the top of the bracket, a detection chamber is arranged in the middle of the housing, an electric heating plate is installed in the detection chamber, a cover is installed in the middle of the housing, and a temperature sensor is installed at the bottom of the middle of the cover; two through grooves are symmetrically formed in the shell, and a stretch-proof mechanism for detecting stretch-proof of the prepreg cloth is arranged in the through grooves.
Preferably, the stretch-proofing mechanism comprises a plate body which is connected with the inside of the through groove in a sliding way, two adjacent sides of the plate body are symmetrically provided with accommodating chambers, and a miniature force transducer is arranged in the accommodating chambers.
Preferably, the inner top of the accommodating chamber is symmetrically and slidingly connected with two positioning rods, the bottoms of the two positioning rods are fixedly connected with clamping plates, and the outer parts of the clamping plates are slidingly connected in the accommodating chamber.
Preferably, a clamping block is fixedly connected to the bottom of the cover, a clamping groove is formed in the top of the detection cavity, and the outer portion of the clamping block is inserted into the clamping groove.
Preferably, the length of the clamping plate is smaller than the groove depth of the accommodating chamber.
Preferably, a heat conducting plate is arranged at the top of the electric heating plate, and the heat conducting plate is arranged at the top of the detection chamber.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the DMD prepreg is placed in the shell, so that the risk of scalding caused by taking down the hot prepreg can be avoided, the safety protection level of operators is improved, and meanwhile, the thermal performance of the DMD prepreg is detected through the combined use of the covering cover and the temperature sensor, so that the detection efficiency can be improved.
Drawings
Fig. 1 is a schematic structural view of a detection device for DMD prepreg according to an embodiment of the present utility model;
fig. 2 is an internal cross-sectional view of a detection apparatus for DMD prepreg according to an embodiment of the present utility model;
fig. 3 is a side view of a detection apparatus for DMD prepreg according to an embodiment of the present utility model;
fig. 4 is an internal cross-sectional view of a tank in a detection apparatus for DMD prepreg according to an embodiment of the present utility model;
fig. 5 is a schematic view showing the structure of a surface of a cooling fin cleaning table in a detection apparatus for DMD prepreg according to an embodiment of the present utility model;
fig. 6 is a schematic view showing a structure of a surface of a fin cleaning table in a inspection apparatus for DMD prepreg according to an embodiment of the utility model.
Reference numerals: 10. an operation table; 11. a bracket; 12. a housing; 13. a cover; 14. a detection chamber; 15. a heat conductive plate; 16. a clamping block; 17. a clamping groove; 18. a temperature sensor; 19. a controller; 20. an LED display; 21. an electric heating plate; 22. a plate body; 23. a housing chamber; 24. a clamping plate; 25. a positioning rod; 26. a miniature load cell; 27. and (5) through grooves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, an embodiment of the present utility model provides a detection apparatus for DMD prepreg, including: the operation panel 10, install with controller 19 and LED display 20 on the operation panel 10, support 11 is installed at the top of operation panel 10, casing 12 is installed at the top of support 11, the middle part of casing 12 is provided with detection cavity 14, the internally mounted of detection cavity 14 has electrical heating board 21, the mid-mounting of casing 12 has covering cap 13, temperature sensor 18 is installed to the middle part bottom of covering cap 13, the top of electrical heating board 21 is provided with heat-conducting plate 15, heat-conducting plate 15 installs at the top of detection cavity 14.
According to the technical scheme, when detecting the DMD prepreg, the detector removes the cover 13, then places the DMD prepreg in the detection chamber 14, places the DMD prepreg on the heat-conducting plate 15, then starts the electric heating plate 21 to heat the inside of the detection chamber 14, monitors the temperature change condition of the DMD prepreg through the temperature sensor 18, and sends the temperature change information of the DMD prepreg to the controller 19, and then displays the temperature change information through the LED display 20, so that the detector can observe the thermal performance characteristics of the DMD prepreg in real time, and meanwhile, after the DMD prepreg is heated, the detector does not need to remove the DMD prepreg from the heating equipment, can directly detect the DMD prepreg, and can avoid scalding caused by removing the heated DMD prepreg.
Further, the heat energy generated by the electric heating plate 21 can be conducted to the DMD prepreg through the arranged heat conducting plate 15, so that the whole prepreg sample is ensured to be heated uniformly, and thermal performance test can be accurately carried out.
Specifically, in order to ensure stable connection between the cover 13 and the detection chamber 14, the cover 13 is prevented from being released; the bottom of the cover 13 is fixedly connected with a clamping block 16, the top of the detection chamber 14 is provided with a clamping groove 17, and the outer part of the clamping block 16 is inserted into the clamping groove 17.
Referring to fig. 1-5, two through slots 27 are symmetrically formed in the housing 12, a stretch-proofing mechanism for detecting stretch-proofing of the prepreg cloth is mounted in the through slots 27, the stretch-proofing mechanism comprises a plate body 22 slidably connected in the through slots 27, a containing cavity 23 is symmetrically formed in one side, adjacent to the two plate bodies 22, a micro force transducer 26 is mounted in the containing cavity 23, two positioning rods 25 are symmetrically slidably connected to the inner top of the containing cavity 23, clamping plates 24 are fixedly connected to the bottoms of the two positioning rods 25, and the outer parts of the clamping plates 24 are slidably connected in the containing cavity 23.
According to the above technical scheme, when the tensile resistance of the DMD prepreg is required to be detected, the two sides of the DMD prepreg are placed in the accommodating chamber 23, then the positioning rod 25 is moved downwards, the clamping plate 24 of the positioning rod 25 is moved, the DMD prepreg is clamped by the clamping plate 24, the detecting personnel pulls the plate 22 outwards, the plate 22 drives the DMD prepreg to enter the through groove 27, the groove depth of the through groove 27 is unchanged, when the plate 22 moves in the through groove 27, the positioning rod 25 and the clamping plate 24 can position the DMD prepreg to prevent the DMD prepreg from being separated or moved, so that the accuracy and the reliability of the tensile resistance test are ensured, the tension change of the DMD prepreg is monitored and recorded through the micro force sensor 26, then the tension information of the DMD prepreg is sent to the controller 19, and the characteristics of the tensile resistance of the DMD prepreg can be observed in real time by the LED display 20.
Specifically, the flexibility of the plate body 22 is increased, so that a reserved space is provided in the accommodating chamber 23; the length of the clamping plate 24 is smaller than the groove depth of the accommodating chamber 23.
In the above technical solution, the output ends of the temperature sensor 18 and the micro force sensor 26 are connected with the controller 19 through signals, the controller 19 is connected with the LED display 20 through wires, the temperature sensor 18 and the micro force sensor 26 respectively detect the temperature change of the DMD prepreg and the tension change of the prepreg, and send the received information to the controller 19 through the controller 19, and the controller 19 sends the received information to the LED display 20, so that the LED display 20 displays the temperature change of the DMD prepreg and the tension change information of the prepreg, and the electric heating plate 21 is electrically connected with the controller 19 through wires.
According to the technical scheme, the working steps of the scheme are summarized and carded:
firstly, a detector removes the cover 13, covers the cover 13 after the DMD prepreg is placed in the detection chamber 14, starts the electric heating plate 21 to heat the inside of the detection chamber 14, detects the temperature change of the DMD prepreg through the temperature sensor 18, sends information to the controller 19, displays the temperature change information of the DMD prepreg through the LED display 20, thereby achieving the function of detecting thermal performance, and can avoid scalding caused by the removal of the heated DMD prepreg by placing the DMD prepreg in the shell 12, so that the safety protection measure of the detector is improved, and meanwhile, the detection efficiency is improved because the detection can be carried out without removing the heated DMD prepreg;
after the cover 13 is taken down by a detector, two sides of the DMD prepreg are fixed in the accommodating chamber 23 through the positioning rod 24 and the clamping plate 24, the detector pulls the plate 22 through manual pulling or external stretching equipment, in the process of pulling the plate 22, the micro force sensor 26 monitors and records the tension change born by the DMD prepreg and sends out the controller 19, and the information of the tension change born by the DMD prepreg in the stretching process is displayed through the LED display 20, so that the detector can detect the tension resistance of the DMD prepreg.
None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a detection equipment for DMD preimpregnation cloth, includes operation panel (10), install on operation panel (10) with controller (19) and LED display (20), its characterized in that: a support (11) is arranged at the top of the operation table (10), a shell (12) is arranged at the top of the support (11), a detection chamber (14) is arranged in the middle of the shell (12), an electric heating plate (21) is arranged in the detection chamber (14), a cover (13) is arranged in the middle of the shell (12), and a temperature sensor (18) is arranged at the bottom of the middle of the cover (13);
two through grooves (27) are symmetrically formed in the shell (12), and a stretch-proof mechanism for detecting stretch-proof of the prepreg cloth is mounted in the through grooves (27).
2. The detection apparatus for DMD prepreg according to claim 1, wherein: the anti-stretching mechanism comprises a plate body (22) which is connected with the inside of the through groove (27) in a sliding mode, two adjacent sides of the plate body (22) are symmetrically provided with accommodating chambers (23), and miniature force transducers (26) are arranged in the accommodating chambers (23).
3. The detection apparatus for DMD prepreg according to claim 2, wherein: the inner top of the accommodating chamber (23) is symmetrically and slidingly connected with two positioning rods (25), the bottoms of the two positioning rods (25) are fixedly connected with clamping plates (24), and the outer parts of the clamping plates (24) are slidingly connected inside the accommodating chamber (23).
4. The detection apparatus for DMD prepreg according to claim 1, wherein: the bottom of cover (13) fixedly connected with fixture block (16), draw-in groove (17) have been seted up at the top of detecting cavity (14), the outside of fixture block (16) is pegged graft in the inside of draw-in groove (17).
5. A detection apparatus for DMD prepreg according to claim 3, characterized in that: the length of the clamping plate (24) is smaller than the groove depth of the accommodating chamber (23).
6. The detection apparatus for DMD prepreg according to claim 1, wherein: the top of the electric heating plate (21) is provided with a heat conducting plate (15), and the heat conducting plate (15) is arranged at the top of the detection chamber (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322204495.7U CN220603349U (en) | 2023-08-15 | 2023-08-15 | Detection equipment for DMD prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322204495.7U CN220603349U (en) | 2023-08-15 | 2023-08-15 | Detection equipment for DMD prepreg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220603349U true CN220603349U (en) | 2024-03-15 |
Family
ID=90181579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322204495.7U Active CN220603349U (en) | 2023-08-15 | 2023-08-15 | Detection equipment for DMD prepreg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220603349U (en) |
-
2023
- 2023-08-15 CN CN202322204495.7U patent/CN220603349U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105092050B (en) | A kind of detection method and device of GIS inner conductors overheating fault | |
| WO2013115592A1 (en) | Thermal insulation performance measurement apparatus and measurement method using the same | |
| CN109406961B (en) | insulation test device for power electronic device | |
| CN107045098B (en) | Hot and cold alternation operating condition is got off download cable terminal industrial frequency withstand voltage pilot system and method | |
| CN109799444A (en) | A kind of dielectric failure simulation device of thermo-electrically compound action | |
| CN220603349U (en) | Detection equipment for DMD prepreg | |
| Williamson et al. | Investigation of equivalent stator-winding thermal resistance during insulation system ageing | |
| CN110244201A (en) | A kind of composite insulating material breakdown test device and experimental method | |
| CN214310666U (en) | Insulation material magnetization conductance current testing arrangement | |
| CN208092165U (en) | High pressure branch road leakage current multiloop synchronous measuring apparatus | |
| CN213041772U (en) | Testing device | |
| CN215067039U (en) | Novel high-temperature aging test box for electric appliance test | |
| CN215768338U (en) | Detection apparatus for fire-retardant fire resistance of electric wire | |
| CN108759703B (en) | Device for detecting deformation of thermal insulation structure in thermal field | |
| CN213779926U (en) | Heat resistance detection device for rubber products | |
| CN207866386U (en) | A kind of distribution box optical fiber temperature-measurement device | |
| CN113740628A (en) | Aging test equipment and heating assembly thereof | |
| CN220671315U (en) | Hardware fitting temperature rise test stand with protection function | |
| CN206740900U (en) | General hospital's electrical repair earth detector | |
| CN220399610U (en) | Solid-state battery acupuncture heat generation testing arrangement | |
| CN218974545U (en) | All-solid-state battery test die with self-heating function | |
| CN217717918U (en) | Conductive solid resistance measuring device suitable for high temperature condition | |
| CN219142709U (en) | Polyimide enameled wire high-low temperature test equipment | |
| CN215574303U (en) | Stretch-proofing testing platform is used to agala sticky tape | |
| CN116539408B (en) | Detection device for colloid hardness and use method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |