CN212518695U - Split type temperature measurement filler strip - Google Patents
Split type temperature measurement filler strip Download PDFInfo
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- CN212518695U CN212518695U CN202021225999.7U CN202021225999U CN212518695U CN 212518695 U CN212518695 U CN 212518695U CN 202021225999 U CN202021225999 U CN 202021225999U CN 212518695 U CN212518695 U CN 212518695U
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- bottom plate
- temperature measuring
- packaging body
- resistor
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Abstract
The utility model discloses a split type temperature measurement filler strip belongs to motor control by temperature change technical field, including resistive element, its characterized in that: the temperature measuring device is characterized by further comprising a cover plate and a bottom plate, wherein a limiting buckle for limiting axial displacement of the resistor element is arranged on the bottom plate, the resistor element comprises a temperature measuring resistor, a wire and a packaging body, the wire is connected with the temperature measuring resistor, the cross section of the packaging body is rectangular, the temperature measuring resistor and the wire are packaged in the packaging body, the cover plate is connected with the bottom plate through a pin, a cavity for containing the packaging body is formed between the cover plate and the bottom plate, the cross section of the cavity is rectangular, and the packaging body is inserted in the cavity. The utility model discloses owing to be split type structure, the encapsulation body of resistive element in addition is whole the rectangle of smooth rule, can realize not hanging the rotor, not pulling out the resistive element under the prerequisite of line stick and change, very big reduction the change degree of difficulty, improved change efficiency.
Description
Technical Field
The utility model relates to motor control by temperature change technical field especially relates to a split type temperature measurement filler strip.
Background
The temperature is crucial to the safe operation of the power station equipment, if the temperature or the temperature rise exceeds the allowable limit value in the operation process of the equipment, the failure rate of the equipment can be greatly improved, and if effective measures are not taken in time, serious consequences can be brought to the equipment. At present, the power station mainly adopts a mode of installing a temperature measuring pad strip at an important part of equipment to monitor the running temperature of the equipment.
In the prior art, the temperature measuring pad strip is of an integrated structure. The temperature measuring pad strip for the generator stator is formed by packaging a bottom plate, a platinum thermal resistor and a cover plate, is glued or encapsulated by insulating glue and epoxy putty, and cannot be detached. Particularly, the platinum thermal resistor and the bottom plate are fixedly bonded together, and when the platinum thermal resistor fails, the rotor and the wire pulling rod must be hung for replacement, so that the disassembly and the replacement are very difficult.
The part of the power station where the temperature measuring filler strip is installed is generally provided with a generator stator winding and a stator iron core. The temperature measuring pad strip of the power station is not influenced by the running state of the generator set and runs uninterruptedly after being put into operation, and the running time is very long. During the manufacturing process of the motor, a stator temperature measuring pad strip is placed between a stator coil and a stator core in advance and used for measuring the average temperature of the stator core. After the stator temperature measurement filler strip breaks down, the stator coil can only be removed for replacement after the stator coil is overhauled. Therefore, the problems of long period and high cost for replacing the temperature measuring pad strip are solved.
Chinese patent publication No. CN 207304303U, published as 2018, 05 and 01, discloses a mounting structure of a temperature measuring element of a motor stator winding, which is characterized in that: the temperature measuring device comprises a temperature measuring element and an interlayer filler strip, wherein a groove is formed in the interlayer filler strip, a protective layer is sleeved on a leading-out wire of the temperature measuring element, a chip of the temperature measuring element and an initial end of the protective layer are embedded into the groove, a bonding adhesive layer is further arranged in the groove, and the temperature measuring element arranged in the groove is coated by the bonding adhesive layer and is fixed in the groove.
The mounting structure of the temperature measuring element of the motor stator winding disclosed in the patent document can avoid the problem of damage of the outgoing line in the mounting and transporting processes of the temperature measuring element on the motor stator winding. However, because the temperature measuring element and the interlayer filler strip are fixedly bonded, when the temperature measuring element needs to be replaced, the temperature measuring element cannot be drawn out on the premise of not hanging the rotor and pulling the wire rod, and the replacement work difficulty is high and the period is long.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art's defect, provide a split type temperature measurement filler strip, the utility model discloses owing to be split type structure, the whole rectangle that is smooth rule of resistor element's packaging body in addition can realize not hanging the rotor, not pulling out under the prerequisite of line stick easily taking out resistor element and changing, very big reduction the change degree of difficulty, improved change efficiency.
The utility model discloses a following technical scheme realizes:
the utility model provides a split type temperature measurement filler strip, includes resistive element, its characterized in that: the temperature measuring device is characterized by further comprising a cover plate and a bottom plate, wherein a limiting buckle for limiting axial displacement of the resistor element is arranged on the bottom plate, the resistor element comprises a temperature measuring resistor, a wire and a packaging body, the wire is connected with the temperature measuring resistor, the cross section of the packaging body is rectangular, the temperature measuring resistor and the wire are packaged in the packaging body, the cover plate is connected with the bottom plate through a pin, a cavity for containing the packaging body is formed between the cover plate and the bottom plate, the cross section of the cavity is rectangular, and the packaging body is inserted in the cavity.
The cover plate is provided with a first rectangular groove, the bottom plate is provided with a second rectangular groove, and the first rectangular groove and the second rectangular groove form the cavity.
The limiting buckle comprises a first arc limiting block and a second arc limiting block, the first arc limiting block is fixed on one side of the bottom plate, the second arc limiting block is fixed on the other side of the bottom plate, and the first arc limiting block and the second arc limiting block are symmetrically distributed along the central axis of the bottom plate.
The temperature measuring resistor is a platinum thermal resistor.
A plurality of hemispherical bulges are arranged in the second rectangular groove and are uniformly distributed on the bottom plate.
The beneficial effects of the utility model are mainly expressed in the following aspect:
the utility model discloses a, be provided with the spacing buckle of restriction resistance element axial displacement on the bottom plate, resistance element includes temperature measuring resistor, wire and packaging body, the wire is connected with temperature measuring resistor, the transversal rectangle of packaging body, temperature measuring resistor and wire encapsulation are in the packaging body, apron and bottom plate pass through the pin joint, form the cavity that is used for holding the packaging body between apron and the bottom plate, the transversal rectangle of cavity, the packaging body pegs graft in the cavity, more disclose No. CN 207304303U, the irregular shape size temperature measurement component that china patent literature chip and inoxidizing coating that publication date is 2018, 05, 01, temperature measurement component bonds through the bonding glue film and fixes on the interlaminar filler strip, because temperature measuring resistor, wire and packaging body encapsulation of the fashioned resistance element are whole smooth regular rectangle, resistance element and cavity are split type structure, and the non-bonding is fixed, so that the resistance element can be easily drawn out for replacement on the premise of not hanging the rotor and not pulling the wire rod, the replacement difficulty is greatly reduced, and the replacement efficiency is improved.
Two, the utility model discloses, it has first rectangle recess to open on the apron, and it has second rectangle recess to open on the bottom plate, and first rectangle recess and second rectangle recess form the cavity, it is simple to make, with low costs.
Third, the utility model discloses, spacing buckle includes first arc stopper and second arc stopper, and first arc stopper is fixed in one side of bottom plate, and second arc stopper is fixed at the opposite side of bottom plate, and first arc stopper and second arc stopper have good limiting displacement along the central axis symmetric distribution of bottom plate, can prevent effectively that resistive element from producing to rock, guarantee temperature measurement reliability.
Fourth, the utility model discloses, temperature measuring resistor is platinum resistance, and platinum resistance temperature measurement is reliable, and easy production is favorable to practicing thrift the manufacturing cost of whole temperature measurement filler strip.
Fifthly, the utility model discloses, be provided with a plurality of hemispherical archs in the second rectangle recess, a plurality of hemispherical protruding evenly distributed can increase the frictional force of resistance element and bottom plate on the bottom plate, further prevent that resistance element from producing and rocking.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the resistor element according to the present invention;
FIG. 3 is a schematic structural view of the connection between the cover plate and the bottom plate of the present invention;
FIG. 4 is a schematic structural view of the cover plate of the present invention;
fig. 5 is a schematic structural view of the bottom plate of the present invention;
the labels in the figure are: 1. resistance element, 2, apron, 3, bottom plate, 4, spacing buckle, 5, temperature measurement resistance, 6, wire, 7, packaging body, 8, cavity, 9, first rectangle recess, 10, second rectangle recess, 11, first arc stopper, 12, second arc stopper, 13, hemispherical arch.
Detailed Description
Example 1
Referring to fig. 1-3, a split temperature measurement pad strip comprises a resistor element 1, a cover plate 2 and a bottom plate 3, wherein a limiting buckle 4 for limiting axial displacement of the resistor element 1 is arranged on the bottom plate 3, the resistor element 1 comprises a temperature measurement resistor 5, a lead 6 and a packaging body 7, the lead 6 is connected with the temperature measurement resistor 5, the cross section of the packaging body 7 is rectangular, the temperature measurement resistor 5 and the lead 6 are packaged in the packaging body 7, the cover plate 2 is connected with the bottom plate 3 through a pin, a cavity 8 for containing the packaging body 7 is formed between the cover plate 2 and the bottom plate 3, the cross section of the cavity 8 is rectangular, and the packaging body 7 is inserted in the cavity 8.
The embodiment is the most basic embodiment, a limiting buckle 4 for limiting the axial displacement of a resistance element 1 is arranged on a bottom plate 3, the resistance element 1 comprises a temperature measuring resistor 5, a lead 6 and a packaging body 7, the lead 6 is connected with the temperature measuring resistor 5, the cross section of the packaging body 7 is rectangular, the temperature measuring resistor 5 and the lead 6 are packaged in the packaging body 7, a cover plate 2 is connected with the bottom plate 3 through a pin, a cavity 8 for containing the packaging body 7 is formed between the cover plate 2 and the bottom plate 3, the cross section of the cavity 8 is rectangular, the packaging body 7 is inserted in the cavity 8, compared with the temperature measuring element with the publication number of CN 207304303U, the temperature measuring element with irregular shape and size formed by a Chinese patent literature chip and a protective layer in 2018, 05 and 01 is adhered and fixed on an interlayer gasket strip through an adhesive layer, because the whole packaging body 7 of the resistance element 1 formed by packaging and packaging the temperature measuring resistor 5, the lead 6 and the packaging body 7 is, resistance element 1 and cavity 8 are split type structure, and non-bonding is fixed, just can realize easily taking resistance element 1 out and changing under the prerequisite of not hanging the rotor, not pulling out the line stick, very big reduction the change degree of difficulty, improved change efficiency.
Example 2
Referring to fig. 1-4, a split temperature measurement pad strip comprises a resistor element 1, a cover plate 2 and a bottom plate 3, wherein a limiting buckle 4 for limiting axial displacement of the resistor element 1 is arranged on the bottom plate 3, the resistor element 1 comprises a temperature measurement resistor 5, a lead 6 and a packaging body 7, the lead 6 is connected with the temperature measurement resistor 5, the cross section of the packaging body 7 is rectangular, the temperature measurement resistor 5 and the lead 6 are packaged in the packaging body 7, the cover plate 2 is connected with the bottom plate 3 through a pin, a cavity 8 for containing the packaging body 7 is formed between the cover plate 2 and the bottom plate 3, the cross section of the cavity 8 is rectangular, and the packaging body 7 is inserted in the cavity 8.
A first rectangular groove 9 is formed in the cover plate 2, a second rectangular groove 10 is formed in the bottom plate 3, and the first rectangular groove 9 and the second rectangular groove 10 form the cavity 8.
In this embodiment, a first rectangular groove 9 is formed on the cover plate 2, a second rectangular groove 10 is formed on the bottom plate 3, and the first rectangular groove 9 and the second rectangular groove 10 form the cavity 8.
Example 3
Referring to fig. 1-5, a split temperature measurement pad strip comprises a resistor element 1, a cover plate 2 and a bottom plate 3, wherein a limiting buckle 4 for limiting axial displacement of the resistor element 1 is arranged on the bottom plate 3, the resistor element 1 comprises a temperature measurement resistor 5, a lead 6 and a packaging body 7, the lead 6 is connected with the temperature measurement resistor 5, the cross section of the packaging body 7 is rectangular, the temperature measurement resistor 5 and the lead 6 are packaged in the packaging body 7, the cover plate 2 is connected with the bottom plate 3 through a pin, a cavity 8 for containing the packaging body 7 is formed between the cover plate 2 and the bottom plate 3, the cross section of the cavity 8 is rectangular, and the packaging body 7 is inserted in the cavity 8.
A first rectangular groove 9 is formed in the cover plate 2, a second rectangular groove 10 is formed in the bottom plate 3, and the first rectangular groove 9 and the second rectangular groove 10 form the cavity 8.
The limiting buckle 4 comprises a first arc limiting block 11 and a second arc limiting block 12, the first arc limiting block 11 is fixed on one side of the bottom plate 3, the second arc limiting block 12 is fixed on the other side of the bottom plate 3, and the first arc limiting block 11 and the second arc limiting block 12 are symmetrically distributed along the central axis of the bottom plate 3.
This embodiment is another preferred embodiment, and spacing buckle 4 includes first arc stopper 11 and second arc stopper 12, and first arc stopper 11 is fixed in one side of bottom plate 3, and second arc stopper 12 is fixed in the opposite side of bottom plate 3, and first arc stopper 11 and second arc stopper 12 have good limiting displacement along the central axis symmetric distribution of bottom plate 3, can prevent effectively that resistive element 1 from producing and rocking, ensure the temperature measurement reliability.
Example 4
Referring to fig. 1-5, a split temperature measurement pad strip comprises a resistor element 1, a cover plate 2 and a bottom plate 3, wherein a limiting buckle 4 for limiting axial displacement of the resistor element 1 is arranged on the bottom plate 3, the resistor element 1 comprises a temperature measurement resistor 5, a lead 6 and a packaging body 7, the lead 6 is connected with the temperature measurement resistor 5, the cross section of the packaging body 7 is rectangular, the temperature measurement resistor 5 and the lead 6 are packaged in the packaging body 7, the cover plate 2 is connected with the bottom plate 3 through a pin, a cavity 8 for containing the packaging body 7 is formed between the cover plate 2 and the bottom plate 3, the cross section of the cavity 8 is rectangular, and the packaging body 7 is inserted in the cavity 8.
A first rectangular groove 9 is formed in the cover plate 2, a second rectangular groove 10 is formed in the bottom plate 3, and the first rectangular groove 9 and the second rectangular groove 10 form the cavity 8.
The limiting buckle 4 comprises a first arc limiting block 11 and a second arc limiting block 12, the first arc limiting block 11 is fixed on one side of the bottom plate 3, the second arc limiting block 12 is fixed on the other side of the bottom plate 3, and the first arc limiting block 11 and the second arc limiting block 12 are symmetrically distributed along the central axis of the bottom plate 3.
The temperature measuring resistor 5 is a platinum thermal resistor.
A plurality of hemispherical protrusions 13 are arranged in the second rectangular groove 10, and the hemispherical protrusions 13 are uniformly distributed on the bottom plate 3.
The embodiment is the best implementation mode, the temperature measuring resistor 5 is a platinum thermal resistor, the temperature measurement of the platinum thermal resistor is reliable, the production is easy, and the production cost of the whole temperature measuring pad strip is saved.
A plurality of hemispherical protrusions 13 are arranged in the second rectangular groove 10, and the hemispherical protrusions 13 are uniformly distributed on the bottom plate 3, so that the friction force between the resistance element 1 and the bottom plate 3 can be increased, and the resistance element 1 is further prevented from shaking.
Claims (5)
1. The utility model provides a split type temperature measurement filler strip, includes resistive element (1), its characterized in that: still include apron (2) and bottom plate (3), be provided with spacing buckle (4) of restriction resistance element (1) axial displacement on bottom plate (3), resistance element (1) is including temperature measuring resistor (5), wire (6) and packaging body (7), wire (6) are connected with temperature measuring resistor (5), the transversal rectangle of personally submitting of packaging body (7), temperature measuring resistor (5) and wire (6) encapsulation are in packaging body (7), apron (2) and bottom plate (3) are through pin joint, form cavity (8) that are used for holding packaging body (7) between apron (2) and bottom plate (3), the transversal rectangle of personally submitting of cavity (8), packaging body (7) are pegged graft in cavity (8).
2. The split temperature measuring pad strip according to claim 1, wherein: a first rectangular groove (9) is formed in the cover plate (2), a second rectangular groove (10) is formed in the bottom plate (3), and the first rectangular groove (9) and the second rectangular groove (10) form the cavity (8).
3. The split temperature measuring pad strip according to claim 1, wherein: the limiting buckle (4) comprises a first arc limiting block (11) and a second arc limiting block (12), the first arc limiting block (11) is fixed on one side of the bottom plate (3), the second arc limiting block (12) is fixed on the other side of the bottom plate (3), and the first arc limiting block (11) and the second arc limiting block (12) are symmetrically distributed along the central axis of the bottom plate (3).
4. The split temperature measuring pad strip according to claim 1, wherein: the temperature measuring resistor (5) is a platinum thermal resistor.
5. The split temperature measuring pad strip according to claim 2, wherein: a plurality of hemispherical bulges (13) are arranged in the second rectangular groove (10), and the hemispherical bulges (13) are uniformly distributed on the bottom plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225999.7U CN212518695U (en) | 2020-06-29 | 2020-06-29 | Split type temperature measurement filler strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225999.7U CN212518695U (en) | 2020-06-29 | 2020-06-29 | Split type temperature measurement filler strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212518695U true CN212518695U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021225999.7U Active CN212518695U (en) | 2020-06-29 | 2020-06-29 | Split type temperature measurement filler strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212518695U (en) |
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2020
- 2020-06-29 CN CN202021225999.7U patent/CN212518695U/en active Active
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