CN210166053U

CN210166053U - Temperature detection accessory for static contact

Info

Publication number: CN210166053U
Application number: CN201921248982.0U
Authority: CN
Inventors: 包昌安
Original assignee: Zhejiang Hang Yu Power Equipment Co Ltd
Current assignee: Zhejiang Hang Yu Power Equipment Co Ltd
Priority date: 2019-08-03
Filing date: 2019-08-03
Publication date: 2020-03-20
Anticipated expiration: 2029-08-03

Abstract

The utility model relates to a temperature detection accessory of static contact relates to electric power temperature-detecting equipment's technical field, including being equipped with the standing groove and being annular casing, the casing inner ring lateral wall can be dismantled and be connected with the copper ring, and the copper ring cover is established on static contact, and the standing groove tank bottom of casing is provided with the copper that passes the casing lateral wall and hug closely with the copper ring, and passive temperature sensor sets up on the copper, and the casing just is located the standing groove notch and is connected with the apron. The utility model discloses a with passive temperature sensor setting in the casing, avoided the direct contact of passive temperature sensor and static contact, need not to consider the stability of passive temperature sensor installation, reduced the influence to normal use.

Description

Temperature detection accessory for static contact

Technical Field

The utility model belongs to the technical field of the technique of electric power temperature check out test set and specifically relates to a temperature detection accessory of static contact is related to.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as instrument, automatic control, magnetic switch of motor, various AC contactors, etc., and some also have high-voltage chamber and low-voltage chamber switch cabinets.

In order to ensure the normal operation of equipment arranged in the switch cabinet, the temperature in the switch cabinet needs to be monitored by a temperature sensor at any time, and if the temperature is increased to a preset threshold value, an alarm signal is triggered.

The chinese invention with publication number CN106052889A discloses a static contact temperature monitoring device for a switch cabinet, which comprises a columnar member with a hollow inner cavity, wherein through holes for the static contact to pass through are arranged on the upper end surface and the lower end surface of the columnar member, heat dissipation holes are arranged around the through holes, and a groove for placing a pressing sheet is arranged on the edge of the through hole; a passive temperature sensor attached to the surface of the static contact is arranged in the hollow inner cavity. The columnar member is fixed on the static contact, and the passive temperature sensor arranged in the hollow inner cavity of the columnar member is placed close to the surface of the static contact, so that the accurate temperature of the static contact is obtained.

The technical scheme has the following defects: because the passive temperature sensor is tightly attached to the surface of the static contact, the passive temperature sensor is easy to rub against the static contact when the columnar member is sleeved on the static contact, and the passive temperature sensor can move or even fall off the columnar member, so that the normal use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a temperature detection accessory of static contact has avoided the direct contact of passive temperature sensor with the static contact, need not to consider the stability of passive temperature sensor installation, has reduced the influence to normal use.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a temperature detection accessory of static contact, is including being equipped with the standing groove and being annular casing, the interior annular lateral wall of casing can be dismantled and be connected with the copper ring, the copper ring cover is established on static contact, the standing groove tank bottom of casing is provided with and passes the casing lateral wall with the copper that the copper ring was hugged closely, passive temperature sensor sets up on the copper, the casing just is located the standing groove notch and is connected with the apron.

Through adopting above-mentioned technical scheme, with passive temperature sensor setting in the casing, and through copper and copper ring with the heat transfer of static contact to passive temperature sensor on, realize the detection of temperature. Through setting up passive temperature sensor in the casing, avoided the direct contact of passive temperature sensor with the static contact, need not to consider the stability of passive temperature sensor installation, reduced the influence to normal use.

Preferably, the copper ring is mounted on the inner ring side wall of the shell through a first bolt, a countersunk hole is formed in the inner ring side wall of the copper ring, and the head of the first bolt is located in the countersunk hole.

Through adopting above-mentioned technical scheme for the copper ring can be dismantled, and the maintenance and the change in the later stage of being convenient for also simplify the installation simultaneously, need not other comparatively loaded down with trivial details operations such as welding, and is also less to the influence of casing.

Preferably, the copper ring with the global of the inner ring lateral wall contact of casing is provided with many card strips, the inner ring lateral wall of casing seted up with card strip joint complex draw-in groove.

Through adopting above-mentioned technical scheme, the copper ring cooperates draw-in groove and card strip joint during the installation for the punchhole of copper ring aligns with the punchhole of installing first bolt on the casing, and the relative rotation between copper ring and the casing when reducing to twist the bolt is convenient for install.

Preferably, the copper plate is installed on the shell through a second bolt, a through hole communicated with the inner ring side wall of the shell is formed in the side wall of the placing groove of the shell, an extending portion is integrally formed on the copper plate, the thickness of the extending portion is equal to that of the copper plate, and the extending portion penetrates through the through hole and is tightly attached to the copper ring.

Through adopting above-mentioned technical scheme, the copper passes through the second bolt fastening also be convenient for assemble, and the setting of through-hole provides the space for the extension passes the through-hole.

Preferably, the copper plate is provided with a positioning hole, a positioning column which is matched with the positioning hole in an inserting manner is arranged at the bottom of the shell and positioned in the placing groove, the height of the positioning column is lower than the thickness of the copper plate, the height of the through hole is equal to the sum of the thickness of the extending part and the height of the positioning column, the second bolt is installed on the positioning column in a threaded manner, and the head of the second bolt is abutted against the copper plate.

By adopting the technical scheme, the positioning column is matched with the positioning hole, so that the copper plate can be positioned when the second bolt is screwed conveniently, and the operation is convenient; and the height of the through hole is defined to meet the installation requirements of the extension.

Preferably, the shell is fixedly provided with a fixed column at the bottom of the placing groove, and the cover plate is fixed on the fixed column through a third bolt.

Through adopting above-mentioned technical scheme, the apron is fixed through third bolt and casing, and the equipment of being convenient for, it is comparatively convenient to change when just damaging.

Preferably, when the cover plate is connected with the fixed column, a positioning ring is arranged on one side of the fixed column, the fixed column is in plug-in fit with the positioning ring, and the third bolt penetrates through the positioning ring to be in threaded fit with the fixed column.

Through adopting above-mentioned technical scheme, the holding ring is pegged graft with the fixed column and is cooperated for the punchhole of apron aligns with the punchhole of fixed column, the installation of the third bolt of being convenient for.

Preferably, a plurality of heat dissipation holes are further formed in the bottom of the placing groove of the shell.

By adopting the technical scheme, the heat dissipation holes can play a role in accelerating heat dissipation, so that the heat dissipation of the contact part of the copper ring and the static contact is facilitated, and the probability of element damage caused by heat dissipation resistance of the static contact is reduced; meanwhile, the heat dissipation of the shell and the cover body can be accelerated, and the service life is prolonged.

To sum up, the utility model discloses a beneficial technological effect does:

1. the passive temperature sensor is arranged in the shell, so that the direct contact between the passive temperature sensor and the static contact is avoided, the stability of the installation of the passive temperature sensor is not required to be considered, and the influence on normal use is reduced;

2. the copper ring, the copper plate and the cover plate are detachably arranged, so that the copper ring, the copper plate and the cover plate can be conveniently replaced when damaged, the whole copper ring, the copper plate and the cover plate are not required to be replaced, and the cost is saved;

3. through the arrangement of the heat dissipation holes, heat dissipation of the contact part of the copper ring and the static contact is facilitated, and the probability of element damage of the static contact due to heat dissipation blockage is reduced; meanwhile, the heat dissipation of the shell and the cover body can be accelerated, and the service life is prolonged.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present invention;

fig. 2 is an exploded view (one) of the present invention;

fig. 3 is an exploded view (ii) of the present invention.

Reference numerals: 1. a housing; 11. a placement groove; 12. a card slot; 13. a positioning column; 14. a through hole; 15. fixing a column; 16. heat dissipation holes; 2. a copper ring; 21. a countersunk hole; 22. clamping the strip; 23. a first bolt; 3. a copper plate; 31. positioning holes; 32. a second bolt; 33. an extension portion; 4. a passive temperature sensor; 5. a cover plate; 51. a third bolt; 52. a retaining ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a temperature detection accessory of static contact, refers to fig. 1 and fig. 2, includes and be annular casing 1, and casing 1 adopts PPS plastics to make, and casing 1 one side is equipped with standing groove 11, and copper ring 2 is installed through first bolt 23 to the inner ring lateral wall of casing 1, and copper ring 2 is hugged closely with the inner ring lateral wall of casing 1. The inner ring side wall of the copper ring 2 is provided with a counter bore 21, the head of the first bolt 23 is arranged in the counter bore 21, and the copper ring 2 is sleeved on the static contact.

Referring to fig. 2, in order to facilitate the installation of the copper ring 2, four clamping strips 22 are integrally formed on the circumferential surface of the copper ring 2 contacting the inner ring side wall of the housing 1, the axis of the clamping strip 22 is perpendicular to the annular surface of the housing 1, and a clamping groove 12 clamped and matched with the clamping strip 22 is formed on the inner ring side wall of the housing 1. When the copper ring 2 is installed, the copper ring 2 is clamped to the inner ring of the shell 1, the clamping strip 22 is clamped with the clamping groove 12, at the moment, the hole in the copper ring 2 is aligned with the hole in the side wall of the inner ring of the shell 1, and then the first bolt 23 is installed.

Referring to fig. 2 and 3, the copper plate 3 is mounted on the bottom of the placing groove 11 of the housing 1 by the second bolt 32, and the passive temperature sensor 4 is fixedly mounted on the copper plate 3. The copper 3 is provided with a positioning hole 31, the housing 1 is integrally formed at the bottom of the placing groove 11 and provided with a positioning column 13 in insertion fit with the positioning hole 31, and the height of the positioning column 13 is lower than the thickness of the copper 3. When the copper plate 3 is installed, the positioning hole 31 of the copper plate 3 is clamped with the positioning column 13, then the second bolt 32 is screwed on the positioning column 13, and the head of the second bolt 32 presses the copper plate 3 tightly.

The side wall of the placing groove 11 of the shell 1 is provided with a through hole 14 communicated with the side wall of the inner ring of the shell 1, the copper plate 3 is integrally provided with an extending part 33, the thickness of the extending part 33 is equal to that of the copper plate 3, the extending part 33 penetrates through the through hole 14 to be attached to the copper ring 2, and the height of the through hole 14 is equal to the sum of the thickness of the extending part 33 and the height of the positioning column 13. The heat of the copper ring 2 is transferred to the copper plate 3 via the extension 33 and from the copper plate 3 to the passive temperature sensor 4.

A fixed column 15 is fixedly arranged on the shell 1 and positioned at the bottom of the placing groove 11, and one end, far away from the bottom of the placing groove 11, of the fixed column 15 is flush with the opening of the placing groove 11; the shell 1 is connected with a cover plate 5 made of the same material and located at the notch of the placing groove 11, the cover plate 5 is fixed on the fixing column 15 through a third bolt 51, and the notch of the placing groove 11 is covered.

When the cover plate 5 is connected with the fixed column 15, a positioning ring 52 is integrally formed on one side facing the fixed column 15, the fixed column 15 is in inserted fit with the positioning ring 52, and the third bolt 51 penetrates through the positioning ring 52 and is in threaded fit with the fixed column 15. The cooperation of the fixing post 15 and the positioning ring 52 has a positioning effect, so as to facilitate the installation of the third bolt 51.

Considering that the heat dissipation speed of the fixed contact of the sleeved portion is reduced after the copper ring 2 is sleeved on the fixed contact, for this reason, the heat dissipation hole 16 is further formed in the casing 1 and at the bottom of the placing groove 11 to accelerate the heat dissipation.

The working principle of the embodiment is as follows:

when the installation is carried out, the copper ring 2 is firstly installed in the inner ring of the shell 1, the clamping strip 22 is clamped with the clamping groove 12, and then the first bolt 23 is screwed on; then, the copper sheet is placed in the placing groove 11, the positioning hole 31 is inserted into the positioning column 13, the extending portion 33 penetrates through the through hole 14 to be attached to the outer ring side wall of the copper ring 2, and the second bolt 32 is screwed.

Fixing the passive temperature sensor 4 on the copper plate 3, finally covering the cover plate 5, inserting the positioning column 13 on the positioning ring 52, screwing the third bolt 51, and completing the installation.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a temperature detection accessory of static contact, is equipped with standing groove (11) and be annular casing (1) its characterized in that: casing (1) inner ring lateral wall can be dismantled and be connected with copper ring (2), copper ring (2) cover is established on quiet contact, standing groove (11) tank bottom of casing (1) is provided with and passes casing (1) lateral wall with copper (3) that copper ring (2) were hugged closely, passive temperature sensor (4) set up on copper (3), casing (1) just is located standing groove (11) notch and is connected with apron (5).

2. The temperature detection accessory of the static contact as claimed in claim 1, wherein: the copper ring (2) is installed on the inner ring side wall of the shell (1) through a first bolt (23), a countersunk hole (21) is formed in the inner ring side wall of the copper ring (2), and the head of the first bolt (23) is located in the countersunk hole (21).

3. The temperature detection accessory of the static contact as claimed in claim 2, wherein: copper ring (2) with the global of the inner ring lateral wall contact of casing (1) is provided with many card strips (22), the inner ring lateral wall of casing (1) seted up with card strip (22) joint complex draw-in groove (12).

4. The temperature detection accessory of the static contact as claimed in claim 1, wherein: copper (3) are installed through second bolt (32) on casing (1), just the intercommunication is seted up to standing groove (11) lateral wall of casing (1) through-hole (14) of the inner ring lateral wall of casing (1), copper (3) integrated into one piece is provided with extension (33), the thickness of extension (33) equals the thickness of copper (3), extension (33) pass through-hole (14) with copper ring (2) are hugged closely.

5. The temperature detection accessory of the static contact as claimed in claim 4, wherein: locating hole (31) have been seted up in copper (3), casing (1) and the tank bottom that is located standing groove (11) be provided with locating hole (31) grafting complex reference column (13), just the height of reference column (13) is less than the thickness of copper (3), the height of through-hole (14) equals the thickness of extension (33) with the sum of the height of reference column (13), second bolt (32) threaded mounting is in on reference column (13) and its head support tightly on copper (3).

6. The temperature detection accessory of the static contact as claimed in claim 1, wherein: the shell (1) is fixedly provided with a fixed column (15) at the bottom of the placing groove (11), and the cover plate (5) is fixed on the fixed column (15) through a third bolt (51).

7. The temperature detection accessory of the static contact as claimed in claim 6, wherein: when the cover plate (5) is connected with the fixing column (15), a positioning ring (52) is arranged on one side, facing the fixing column (15), of the cover plate, the fixing column (15) is in plug fit with the positioning ring (52), and the third bolt (51) penetrates through the positioning ring (52) to be in threaded fit with the fixing column (15).

8. The temperature detection accessory of the static contact as claimed in claim 1, wherein: a plurality of heat dissipation holes (16) are further formed in the bottom of the placing groove (11) of the shell (1).