CN205049659U - Insulating material's surface resistance measuring device - Google Patents
Insulating material's surface resistance measuring device Download PDFInfo
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- CN205049659U CN205049659U CN201520786573.1U CN201520786573U CN205049659U CN 205049659 U CN205049659 U CN 205049659U CN 201520786573 U CN201520786573 U CN 201520786573U CN 205049659 U CN205049659 U CN 205049659U
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- electrode
- insulating material
- metal caul
- surface resistance
- electrode negative
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Abstract
The utility model discloses an insulating material's surface resistance measuring device, including the anodal and annular electrode negative pole of electrode that is used for connecting the corresponding detection port of megger respectively, the electrode negative pole encircles the anodal setting of electrode, and below anodal at the electrode and the electrode negative pole is equipped with the metal caul, and the insulating material that awaits measuring sets up between metal caul and electrode positive pole and electrode negative pole, the periphery of metal caul is equipped with the rail of a body structure, and this rail surrounds the electrode negative pole and forms the insulated zoon who is used for the heating with the metal caul, the inside heating element control by temperature change probe that is equipped with of metal caul, heating element and control by temperature change probe all link to each other with the temperature controller, the utility model discloses can carry out the surface resistance of [electrical] insulating material under higher being heated effectively and detect, can be in succession or be interrupted to survey and get under the temperature variation [electrical] insulating material's surface resistance and change the number, the metal caul rail adds the anodal and electrode negative pole temperature of the better messenger's electrode of high energy unanimously.
Description
Technical field
The utility model relates to the mensuration of insulating material performance in appliance field, especially a kind of surface resistance measuring apparatus of insulating material.
Background technology
Surface resistance be insulating material produce and use in, need a kind of key property of testing at any time, in the batch production and use procedure of material, general proving installation is megger, the surface resistance under room temperature state can only be measured, can not the surface resistance of detecting electric insulating material under the situation of being heated (as shown in Figure 2), for this reason, in insulating material is produced and is used, a kind of simple and practical proving installation is provided, it is very important that Quick Measuring gets the surface resistance changing condition that insulating material is heated under situation, the Potential performance defect of insulating material can be found early, prevent premature breakdown and the quality deterioration of electric product and electrical equipment and electrical product.
Summary of the invention
Fundamental purpose of the present utility model is, provides a kind of surface resistance measuring apparatus of insulating material, to solve the problem that prior art can not measure the surface resistance under higher temperature change.
The technical scheme in the invention for solving the above technical problem is: a kind of surface resistance measuring apparatus of insulating material, comprise and be respectively used to connect the electrode anode of the corresponding detection port of megger and the Electrode Negative of ring-type, Electrode Negative surrounding electric poles positive pole is arranged, metal caul is provided with in the below of electrode anode and Electrode Negative, insulating material to be measured is arranged between metal caul and electrode anode and Electrode Negative, the periphery of described metal caul is provided with the fence of integrative-structure, this fence surrounding electric poles negative pole also forms the heat preservation zone for heating with metal caul, described metal caul inside is provided with heating element and temperature probe, described heating element is all connected with temperature controller with temperature probe.
The fence height of described metal caul is lower than Electrode Negative or identical with the height of Electrode Negative.
Described heating element is electrothermal tube or electrical bar.
Electrothermal tube or the electrical bar of described heating element to be 1 ~ 5 general powers be 200W ~ 2000W, be evenly installed on metal caul inside.
It is inner to ensure homogeneous heating that described heating element level is installed on metal caul.
The utility model compared with prior art, has the following advantages:
1, effectively can carry out the surface resistance of insulating material under higher situation of being heated to detect, particularly there is very much the detection of 120 DEG C of actual use meaning ~ 220 DEG C interval insulating material surface resistance performances, the surface resistance change number of insulating material under taking temperature changing condition continuously or can be interrupted;
2, compact conformation and rationally; the metal caul that bottom is improved is as thermal source component part; sidewall adds high energy makes internal and external electrode (i.e. electrode anode and Electrode Negative) temperature consistent preferably; the heating element be placed in metal caul is connected temperature controller with temperature probe; can in certain accuracy range; more practical and carry out the detection of insulating material surface resistance easily; both can be used for the detection of insulating material product export, the detection of user's routine use, and also can be used for the online of material production line and do not shut down quick detection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of existing proving installation.
1: electrode anode, 2: Electrode Negative, 3: insulating material to be measured, 4: metal caul, 5: temperature probe, 6: heating element, 7: fence.
Embodiment
In prior art (as Fig. 2), the surface resistance measuring apparatus of insulating material comprises and is respectively used to connect the electrode anode 1 of megger corresponding detection port and Electrode Negative 2, the metal caul 4 of ring-type.Electrode anode 1 is interior, Electrode Negative 2 outside and surrounding electric poles positive pole 1 arrange, metal caul 4 is provided with in the below of electrode anode 1 and Electrode Negative 2, insulating material 3 to be measured is arranged between metal caul 4 and electrode anode 1 and Electrode Negative 2, and the metal caul 4 of the utility model to bottom improves.
As shown in Figure 1, the surface resistance measuring apparatus of a kind of insulating material of the utility model comprises: be respectively used to connect the Electrode Negative 2 of the electrode anode 1 of megger corresponding detection port and ring-type, metal caul 4, heating element 6, temperature probe 5 and temperature controller.Electrode Negative 2 surrounding electric poles positive pole 1 is arranged.
The periphery of described metal caul 4 is provided with the fence 7 of integrative-structure, and this fence 7 surrounding electric poles negative pole 2 also forms the heat preservation zone for heating with metal caul 4.Insulating material 3 connecting electrode positive pole 1 to be measured and Electrode Negative 2.It is inner that heating element 6 and temperature probe 5 are installed on metal caul 4.Heating element 6 is all connected with temperature controller with temperature probe 5.Concrete, heating element 6 connects the power stage port of temperature controller, and temperature probe 5 connects temperature controller input port.
Increasing the metal caul 4 of fence 7 be matrix, and this fence 7 increases the heat preservation zone of formation for heating, with the equalized temperature of holding electrode positive pole 1 and Electrode Negative 2.The height of fence 7 can a little less than Electrode Negative 2, also can be identical with the height of Electrode Negative 2, and the height that fence 7 is increased is as the criterion with the equalized temperature of holding electrode positive pole 1 and Electrode Negative 2.
For ensureing homogeneous heating, it is inner that heating element 6 level is installed on metal caul 4.
Heating element 6 can be electrothermal tube or the electrical bar of 1 ~ 5, and the general power of electrothermal tube or electrical bar is 200W ~ 2000W, and during more than 1, horizontal homogeneous is installed on metal caul 4 inside and is conducive to homogeneous heating.
In preferred embodiment, electrical bar or electrothermal tube are 2, and general power is 600W.
The utility model changes metal caul 4 of the prior art into metal caul 4 that periphery is provided with the fence 7 of integrative-structure, and set up the heating element 6 and the temperature probe 5 that connect temperature controller, be installed in metal caul 4, effectively can carry out the surface resistance of insulating material under higher situation of being heated to detect, particularly there is very much the detection of 120 DEG C of actual use meaning ~ 220 DEG C interval insulating material surface resistance performances, can continuously or under being interrupted taking temperature changing condition, the surface resistance change number of insulating material.
Claims (5)
1. the surface resistance measuring apparatus of an insulating material, comprise and be respectively used to connect the electrode anode (1) of the corresponding detection port of megger and the Electrode Negative (2) of ring-type, Electrode Negative (2) surrounding electric poles positive pole (1) is arranged, metal caul (4) is provided with in the below of electrode anode (1) and Electrode Negative (2), insulating material to be measured (3) is arranged between metal caul (4) and electrode anode (1) and Electrode Negative (2), it is characterized in that, the periphery of described metal caul (4) is provided with the fence (7) of integrative-structure, this fence (7) surrounding electric poles negative pole (2) also forms the heat preservation zone for heating with metal caul (4), described metal caul (4) inside is provided with heating element (6) and temperature probe (5), described heating element (6) is all connected with temperature controller with temperature probe (5).
2. the surface resistance measuring apparatus of a kind of insulating material according to claim 1, is characterized in that, fence (7) height of described metal caul (4) is lower than Electrode Negative (2) or identical with the height of Electrode Negative (2).
3. the surface resistance measuring apparatus of a kind of insulating material according to claim 1, is characterized in that, described heating element (6) is electrothermal tube or electrical bar.
4. the surface resistance measuring apparatus of a kind of insulating material according to claim 1, is characterized in that, electrothermal tube or the electrical bar of described heating element (6) to be 1 ~ 5 general powers be 200W ~ 2000W, be evenly installed on metal caul (4) inner.
5. the surface resistance measuring apparatus of a kind of insulating material according to claim 1, is characterized in that, it is inner to ensure homogeneous heating that described heating element (6) level is installed on metal caul (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786573.1U CN205049659U (en) | 2015-10-12 | 2015-10-12 | Insulating material's surface resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786573.1U CN205049659U (en) | 2015-10-12 | 2015-10-12 | Insulating material's surface resistance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205049659U true CN205049659U (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520786573.1U Active CN205049659U (en) | 2015-10-12 | 2015-10-12 | Insulating material's surface resistance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205049659U (en) |
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2015
- 2015-10-12 CN CN201520786573.1U patent/CN205049659U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |