CN213149561U - Temperature control device of dry-type transformer - Google Patents
Temperature control device of dry-type transformer Download PDFInfo
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- CN213149561U CN213149561U CN202022719781.3U CN202022719781U CN213149561U CN 213149561 U CN213149561 U CN 213149561U CN 202022719781 U CN202022719781 U CN 202022719781U CN 213149561 U CN213149561 U CN 213149561U
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- type transformer
- positioning
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- temperature sensor
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to a transformer temperature control equipment's field especially relates to a dry-type transformer temperature control device, and its technical essential includes a dry-type transformer temperature control device, including contact temperature sensor, wireless transmission module, controller and radiator, still includes the positioning mechanism who advances line location to contact temperature sensor, positioning mechanism is including installing in dry-type transformer's fixed plate, the fixed plate is seted up and is supplied contact temperature sensor to pass the locating hole with direct contact dry-type transformer, be equipped with the locating component who advances line location to contact temperature sensor in the locating hole. The problem that dry-type transformer and contact temperature sensor cause the energy extravagant and dry-type transformer to damage because of contact failure can be improved to this application.
Description
Technical Field
The application relates to the field of transformer temperature control equipment, in particular to a dry-type transformer temperature control device.
Background
The transformer is one of important equipment of transformer substation, and the transformer operation, the electric energy loss of its winding and iron core can both be converted into heat energy, consequently, need regularly carry out temperature detection to the transformer, when the transformer temperature was too high, need cool down for the transformer to the life of extension transformer.
Currently, in the related art, a temperature control device for controlling the temperature of a dry-type transformer generally includes a contact temperature sensor, a wireless transmission module, a controller, and a heat sink; the contact type temperature sensor is connected with the dry type transformer and used for collecting the temperature of the dry type transformer; the wireless transmission module is connected with the contact temperature sensor and is used for transmitting the temperature acquired by the contact temperature sensor to the controller; the controller is connected with the wireless transmission module and used for controlling the power of the radiator according to the temperature transmitted by the wireless transmission module and sending a control signal to the radiator; the radiator is connected with the controller and used for adjusting power according to a control signal of the controller and radiating the dry-type transformer.
In view of the above-mentioned related arts, the inventor believes that when the contact temperature sensor and the dry-type transformer are in poor contact, the temperature measurement result will have a large error, and at this time, the controller may make some wrong judgments, for example, the dry-type transformer does not reach the predetermined temperature, and the controller controls the heat sink to operate, which is likely to cause waste of energy; in addition, the dry type transformer has already reached the predetermined temperature, but because the contact type temperature sensor and the dry type transformer are in poor contact, the detected result does not reach the predetermined temperature, and the controller does not start the radiator, so that the dry type transformer is damaged due to continuous high temperature.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that the dry type transformer and the contact type temperature sensor cause energy waste and the dry type transformer is damaged due to poor contact, the application provides a temperature control device of the dry type transformer.
The application provides a dry-type transformer temperature control device adopts following technical scheme:
a temperature control device of a dry-type transformer comprises a contact-type temperature sensor, a wireless transmission module, a controller and a radiator; the contact type temperature sensor is connected with the dry-type transformer to acquire the temperature of the dry-type transformer; the wireless transmission module is connected with the contact type temperature sensor so as to transmit the temperature of the dry type transformer to the controller; the controller is connected with the wireless transmission module to control the power of the radiator according to the temperature transmitted by the wireless transmission module and send a control signal to the radiator; the radiator is connected with the controller to adjust power according to a control signal of the controller; the positioning mechanism comprises a fixing plate arranged on the dry-type transformer, the fixing plate is provided with a positioning hole for the contact-type temperature sensor to pass through so as to be in direct contact with the dry-type transformer, and a positioning assembly for positioning the contact-type temperature sensor is arranged in the positioning hole.
By adopting the technical scheme, when the dry-type transformer is subjected to temperature detection by adopting the contact-type temperature sensor, the positioning mechanism is firstly adopted to position the contact-type temperature sensor, so that the contact-type temperature sensor and the dry-type transformer are kept in good contact stability, the accuracy of temperature detection of the contact-type temperature sensor is improved, and the problems that the dry-type transformer and the contact-type temperature sensor make wrong judgment due to poor contact, the energy is wasted and the dry-type transformer is damaged are favorably solved.
Preferably, the positioning assembly comprises a propping block, a connecting column, a sliding rod and a positioning piece; the fixed plate is provided with a positioning groove communicated with the positioning hole, the abutting block is located in the positioning hole, the sliding rod is located in the positioning groove and is in sliding connection with the positioning groove, the connecting column is located between the abutting block and the sliding rod and is used for connecting the abutting block and the sliding rod, and the positioning piece and the sliding rod can be detachably connected and are used for positioning the sliding rod on the fixed plate.
Through adopting above-mentioned technical scheme, when fixing a position contact temperature sensor, can promote the slide bar and drive the direction motion of the tight piece of support toward being close to contact temperature sensor, the inboard and the contact temperature sensor of the tight piece of support offset tightly, then adopt the setting element to fix the slide bar on the fixed plate again, can realize contact temperature sensor's stable installation.
Preferably, the positioning assembly further comprises an elastic member, the elastic member is sleeved on the outer peripheral side of the connecting column, one end of the elastic member, which is close to the sliding rod, is fixed on the sliding rod, and one end of the elastic member, which is far away from the sliding rod, is fixed on the inner wall, which is close to the positioning hole, of the positioning groove.
By adopting the technical scheme, when the contact type temperature sensor is positioned, the sliding rod can be pushed to move towards the direction close to the positioning hole until the inner side of the abutting block abuts against the contact type temperature sensor, and when the spring is in a compressed state, the sliding rod is positioned on the fixing plate by adopting the positioning piece; at this moment, because the spring produces the effort that resumes self deformation, the spring can produce an effort that carries out elasticity to the contact thermometer and support tightly promptly, is favorable to further improving contact temperature sensor's stability.
Preferably, an elastic buffer layer is arranged on one side, facing the contact type temperature sensor, of the abutting block.
Through adopting above-mentioned technical scheme, elastic buffer layer's being provided with does benefit to the frictional force that increases contact temperature sensor and receives, is favorable to improving contact temperature sensor's positional stability, in addition, can also play the guard action to contact temperature sensor.
Preferably, the fixing plate and the dry-type transformer are detachably and fixedly connected, wherein a first positioning plate is arranged on one of two opposite sides of the fixing plate, a second positioning plate is arranged on the other two opposite sides of the fixing plate, and the first positioning plate and the second positioning plate are respectively provided with a fastening bolt detachably connected with the dry-type transformer.
Through adopting above-mentioned technical scheme, add first locating plate and second locating plate simultaneously and fix the fixed plate on dry-type transformer, area of contact increase is favorable to improving the installation stability of fixed plate.
Preferably, the first positioning plate and the second positioning plate are hinged to the periphery of the fixing plate.
Through adopting above-mentioned technical scheme, first locating plate, second locating plate all articulate and install in the week side of fixed plate, when the temperature of the different positions of dry-type transformer temperature of needs measurement, can reciprocate the fixed plate, can only fix two second fixed plates in the left and right sides of dry-type transformer this moment, perhaps remove the fixed plate about, can only fix two first fixed plates in the upper and lower both sides of dry-type transformer this moment.
Preferably, a gap is reserved between the fixing plate and the dry-type transformer.
Through adopting above-mentioned technical scheme, reserve the clearance between fixed plate and the dry-type transformer, the heat part that the dry-type transformer produced is absorbed by the air in the space, is favorable to improving the radiating effect of dry-type transformer.
Preferably, the first positioning plate and the second positioning plate are respectively provided with a heat dissipation hole.
Through adopting above-mentioned technical scheme, set up the louvre respectively on first locating plate and second locating plate, when two first locating plates and two second locating plates all fixed on dry-type change ware, the convection action of air can be strengthened in the setting up of louvre, is favorable to reducing dry-type transformer's intensification rate, and conveniently cools down dry-type transformer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the contact temperature sensor is used for measuring the temperature of the dry-type transformer, the positioning mechanism is used for positioning the contact temperature sensor so as to improve the contact stability of the contact temperature sensor and the dry-type transformer and be beneficial to improving the accuracy of temperature detection of the contact temperature sensor, thereby reducing the problems of energy waste and damage of the dry-type transformer caused by wrong judgment of a controller due to poor contact between the dry-type transformer and the contact temperature sensor;
2. when the contact type temperature sensor is positioned, the sliding rod can be pushed to move towards the direction close to the positioning hole until the inner side of the abutting block abuts against the contact type temperature sensor, and when the spring is in a compressed state, the sliding rod is positioned on the fixing plate by adopting the positioning piece; at this moment, because the spring produces the effort that resumes self deformation, the spring can produce an effort that carries out elasticity to the contact thermometer and support tightly promptly, is favorable to further improving contact temperature sensor's stability.
Drawings
Fig. 1 is a schematic view of an overall structure of a dry type transformer temperature control device according to an embodiment of the present application.
Fig. 2 is a sectional view of a dry type transformer temperature control apparatus according to an embodiment of the present application.
Fig. 3 is a partially enlarged view of a position a in fig. 2.
Description of reference numerals: 1. a dry-type transformer; 11. a contact temperature sensor; 2. a fixing plate; 21. positioning holes; 22. a first positioning plate; 221. heat dissipation holes; 23. a second positioning plate; 24. a connecting bolt; 25. a heat sink; 26. positioning a groove; 31. an arc-shaped block; 311. an elastic buffer layer; 32. connecting columns; 33. a slide bar; 34. a set screw; 35. a spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses dry-type transformer temperature control device. Referring to fig. 1, the temperature control apparatus of the dry type transformer 1 includes a contact type temperature sensor 11, a wireless transmission module, a controller, and a heat sink 25. Wherein, the contact temperature sensor 11 is connected to the dry-type transformer 1 for collecting the temperature of the dry-type transformer 1. The wireless transmission module is connected with the contact temperature sensor 11 and is used for transmitting the temperature of the dry-type transformer 1 to the controller. The controller is connected to the wireless transmission module to control the power of the heat sink 25 according to the temperature transmitted by the wireless transmission module and transmit a control signal to the heat sink 25. The heat sink 25 is connected to the controller to adjust the power according to the control signal of the controller. In addition, in order to improve the detection accuracy of the temperature control device of the dry-type transformer 1, the temperature control device of the dry-type transformer 1 in the embodiment of the present application is further provided with a positioning mechanism for positioning the contact-type temperature sensor 11, and the positioning mechanism improves the stability of the contact-type temperature sensor 11, so as to ensure good contact between the contact-type temperature sensor 11 and the dry-type transformer 1, thereby improving the accuracy of temperature measurement of the contact-type temperature sensor 11, making the controller make correct judgment, and being beneficial to saving energy consumption and reducing the possibility of damage to the dry-type transformer 1.
Referring to fig. 1, the positioning mechanism includes a fixing plate 2 for connecting with the dry-type transformer 1, a positioning hole 21 opened on the fixing plate 2 for the contact type temperature sensor 11 to pass through, and a positioning component for positioning the contact type temperature sensor 11 by matching with the positioning hole 21.
Referring to fig. 1, the fixing plate 2 may be a circular plate, a rectangular plate, an irregular plate, etc., and in this embodiment, the fixing plate 2 is a rectangular plate as an example. Wherein, the rectangular plate is equipped with first locating plate 22 in its length direction's both sides, and the rectangular plate is equipped with second locating plate 23 in its width direction's both sides, and spliced pole 32 is all worn to be equipped with by first locating plate 22 and second locating plate 23, and spliced pole 32 is used for can dismantling first locating plate 22 or location locating plate to fix on dry-type transformer 1. In this embodiment, the connection column 32 specifically adopts the connection bolt 24, and the first positioning plate 22 and the second positioning plate 23 are respectively provided with a plurality of threaded holes along the length direction of the first positioning plate and the second positioning plate 23, and the connection bolt 24 is in threaded fit with the threaded holes. When the fixing plate 2 is attached to the dry type transformer 1, the two first positioning plates 22 may be fixed to the upper and lower sides of the dry type transformer 1 by the connecting bolts 24, the two second positioning plates 23 may be fixed to the left and right sides of the dry type transformer 1 by the connecting bolts 24, or the two first positioning plates 22 and the two second positioning plates 23 may be fixed to the upper and lower left and right sides of the dry type transformer 1 at the same time.
The radiator 25 is an air-cooled radiator, and the air-cooled radiator is mounted on the fixing plate 2. In order to change the position of the positioning hole 21 relative to the dry-type transformer 1, i.e. to measure the temperature of different positions of the dry-type transformer 1, in the present embodiment, the two first positioning plates 22 and the two second positioning plates 23 are hinged and fixed on the peripheral side of the fixing plate 2. When the fixing plates 2 need to be moved up and down, only two second fixing plates 2 may be fixed to the left and right sides of the dry type transformer 1, and when the fixing plates 2 need to be moved left and right, only two first fixing plates 2 may be fixed to the upper and lower sides of the dry type transformer 1.
In addition, in order to enhance the heat dissipation effect of the dry-type transformer 1, referring to fig. 1 and fig. 2, in the embodiment, a gap is reserved between the fixing plate 2 and the dry-type transformer, and a plurality of heat dissipation holes 221 are respectively formed on the first positioning plate 22 and the second positioning plate 23.
The positioning hole 21 may be a circular hole or a square hole. In this embodiment, referring to the drawings, the positioning hole 21 is a circular hole as an example.
Referring to fig. 1 and 3, the positioning assembly includes a stopper, a connection post 32, a sliding rod 33, and a positioning member. Specifically, the abutting block is an arc block 31, an opening of the arc block 31 faces a center of the positioning hole 21, and the arc block 31 is located in the positioning hole 21. The fixing plate 2 is provided with a positioning groove 26 communicated with the positioning hole 21, the connecting column 32 is slidably connected with the positioning groove 26 along the radial direction of the positioning hole 21, one end of the connecting column 32 is fixed on the outer peripheral side of the arc-shaped block 31, and the other end of the connecting column enters the positioning groove 26 and is connected with a sliding rod 33 located in the positioning groove 26, in this embodiment, the connecting column 32 is perpendicular to the sliding rod 33. The positioning element may be a snap assembly, a detaching assembly, or a screw, and in this embodiment, the positioning element is a positioning screw 34, and the positioning screw 34 passes through the sliding rod 33 to position the sliding rod 33 on the fixing plate 2.
Wherein, for the positioning action of reinforcing arc piece 31 to contact temperature sensor 11, can be equipped with elastic buffer layer 311 in the inner peripheral side of arc piece 31, in this embodiment, elastic buffer layer 311 specifically adopts the elastic rubber layer, not only can increase the frictional force of arc piece 31 and contact temperature sensor 11, can also play the guard action to contact temperature sensor 11.
In addition, in order to further enhance the positioning function of the contact temperature sensor 11, an elastic member, specifically, a spring 35 may be fitted around the outer circumferential side of the slide rod 33. One end of the spring 35 is fixed to the slide bar 33, and the other end is fixed to the inner wall of the positioning groove 26 near the positioning hole 21. When the contact type temperature sensor 11 is positioned, the sliding rod 33 can be pushed to move towards the direction close to the positioning hole 21 until the inner side of the arc block 31 is tightly abutted against the contact type temperature sensor 11 and the spring 35 is in a compressed state, and then the sliding rod 33 is positioned on the fixing plate 2 by adopting the positioning screw 34. At this time, the spring 35 generates an acting force for restoring the self deformation, that is, the spring 35 generates an acting force for elastically abutting against the contact thermometer, which is beneficial to further improving the stability of the contact temperature sensor 11, and further improving the accuracy of the temperature detection of the dry-type transformer 1.
The implementation principle of the temperature control device of the dry-type transformer in the embodiment of the application is as follows: when the dry-type transformer temperature sensor works, the sensing end of the contact-type temperature sensor 11 penetrates through the positioning hole 21, the sensing end of the contact-type temperature sensor 11 is adjusted to be in full contact with the dry-type transformer 1, then the sliding rod 33 is pushed to move towards the direction close to the positioning hole 21 until the inner side of the arc-shaped block 31 is abutted against the contact-type temperature sensor 11, and when the spring 35 is in a compressed state, the sliding rod 33 is positioned on the fixing plate 2 through the positioning screw 34. At this time, the spring 35 generates an acting force for restoring the self deformation, that is, the spring 35 generates an acting force for elastically abutting against the contact thermometer, which is beneficial to further improving the stability of the contact temperature sensor 11, and further improving the accuracy of the temperature detection of the dry-type transformer 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A temperature control device for a dry-type transformer comprises a contact-type temperature sensor (11), a wireless transmission module, a controller and a radiator (25); the contact type temperature sensor (11) is connected with the dry-type transformer (1) to acquire the temperature of the dry-type transformer (1); the wireless transmission module is connected with the contact type temperature sensor (11) so as to transmit the temperature of the dry type transformer (1) to the controller; the controller is connected with the wireless transmission module to control the power of the radiator (25) according to the temperature transmitted by the wireless transmission module and send a control signal to the radiator (25); the radiator (25) is connected with the controller to adjust power according to a control signal of the controller; the method is characterized in that: the positioning mechanism comprises a fixing plate (2) installed on the dry-type transformer (1), the fixing plate (2) is provided with a positioning hole (21) through which the contact-type temperature sensor (11) penetrates to directly contact the dry-type transformer (1), and a positioning assembly for positioning the contact-type temperature sensor (11) is arranged in the positioning hole (21).
2. A dry-type transformer temperature control device as claimed in claim 1, wherein: the positioning assembly comprises a propping block, a connecting column (32), a sliding rod (33) and a positioning piece; wherein, constant head tank (26) that are linked together with locating hole (21) are seted up in fixed plate (2), the piece that supports is located locating hole (21), slide bar (33) be located constant head tank (26) and with constant head tank (26) sliding connection, spliced pole (32) are located between piece and slide bar (33) that supports for connect and support piece and slide bar (33), the setting element can be dismantled with slide bar (33) and be connected for fix a position slide bar (33) on fixed plate (2).
3. A dry-type transformer temperature control device as claimed in claim 2, wherein: the positioning assembly further comprises an elastic piece, the elastic piece is sleeved on the outer peripheral side of the connecting column (32), one end, close to the sliding rod (33), of the elastic piece is fixed to the sliding rod (33), and one end, far away from the sliding rod (33), of the elastic piece is fixed to the inner wall, close to the positioning hole (21), of the positioning groove (26).
4. A dry-type transformer temperature control device as claimed in claim 2, wherein: and an elastic buffer layer (311) is arranged on one side of the abutting block, which faces the contact type temperature sensor (11).
5. A dry-type transformer temperature control device as claimed in any one of claims 1 to 4, wherein: the fixing plate (2) and the dry-type transformer (1) are detachably and fixedly connected, wherein a first positioning plate (22) is arranged on one of two opposite sides of the fixing plate (2), a second positioning plate (23) is arranged on the other two opposite sides of the fixing plate (2), and the first positioning plate (22) and the second positioning plate (23) are both provided with fastening bolts detachably connected with the dry-type transformer (1).
6. A dry-type transformer temperature control device as claimed in claim 5, wherein: the first positioning plate (22) and the second positioning plate (23) are hinged to the peripheral side of the fixing plate (2).
7. A dry-type transformer temperature control device as claimed in claim 5, wherein: a gap is reserved between the fixing plate (2) and the dry-type transformer (1).
8. A dry-type transformer temperature control device as claimed in claim 5, wherein: the first positioning plate (22) and the second positioning plate (23) are respectively provided with a heat dissipation hole (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022719781.3U CN213149561U (en) | 2020-11-20 | 2020-11-20 | Temperature control device of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022719781.3U CN213149561U (en) | 2020-11-20 | 2020-11-20 | Temperature control device of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213149561U true CN213149561U (en) | 2021-05-07 |
Family
ID=75722733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022719781.3U Expired - Fee Related CN213149561U (en) | 2020-11-20 | 2020-11-20 | Temperature control device of dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213149561U (en) |
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2020
- 2020-11-20 CN CN202022719781.3U patent/CN213149561U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210507 |
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| CF01 | Termination of patent right due to non-payment of annual fee |