CN212275103U

CN212275103U - Wireless temperature measuring device for power distribution cabinet

Info

Publication number: CN212275103U
Application number: CN202020999719.1U
Authority: CN
Inventors: 招理春; 车鸿杰; 孙豪豪; 陈浩
Original assignee: Hefei Dingdian Creative Design Co ltd
Current assignee: Hefei Dingdian Creative Design Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-01
Anticipated expiration: 2030-06-03

Abstract

The utility model relates to a temperature acquisition control technical field discloses a wireless temperature measuring device for switch board, which comprises a housin, inside one side of casing is equipped with monitoring conveying mechanism, monitoring conveying mechanism includes temperature sensor and wireless temperature measurement data emitter, the casing is extended to one side of temperature sensor, and the wireless temperature measurement data emitter is connected to the opposite side, one side of wireless temperature measurement data emitter is equipped with fixture, fixture's upper and lower both sides all run through the outside that casing and end extend to the casing. The utility model discloses a fixture that sets up only needs the grip block of pulling down, makes the interval between grip block and lower grip block increase, cancels the pulling force again, pushes away the locating plate upward movement under the effect of spring like this, even must spacing post shift up, spacing post drives the connecting plate and removes with the expansion plate, makes the grip block clamp down in the inner wall lower part of switch board at last to accomplish fixedly, easy and simple to handle.

Description

Wireless temperature measuring device for power distribution cabinet

Technical Field

The utility model relates to a temperature acquisition control technical field especially relates to a wireless temperature measuring device for switch board.

Background

The power distribution cabinets of power plants and substations in operation are important power equipment, and the maintenance of normal and stable operation of the power distribution cabinets plays a crucial role in safe production. The main maintenance position of switch board is the contact position, and when the contact takes place unusual circumstances such as not hard up, elasticity ageing, contact surface are dirty, all can arouse the abnormal change of contact temperature, consequently normally stable operation is guaranteed to the method that generally passes through contact temperature detection. The existing contact temperature monitoring methods comprise two methods: a luminescent material with color changing along with temperature is coated on the surface of a high-voltage electric contact, and the temperature change range is roughly determined by observing the color change of the luminescent material, but the method has low accuracy and poor reliability and cannot carry out accurate quantitative measurement; the other method is to use the radiation characteristic of the contact when the temperature changes and use the thermal infrared imager to detect the temperature of the contact, so the accuracy is higher, but the thermal infrared imager is inconvenient to use under the specific scene of a high-low voltage power distribution cabinet due to the need of using an additional temperature detecting instrument, and meanwhile, the thermal infrared imager is expensive and has high use cost. More importantly, the two modes need manual inspection, temperature data cannot be obtained in real time, the temperature data can only be found under the condition that abnormity occurs, whether a contact heating fault exists in the cabinet or not can not be judged at the first time, and the temperature real-time alarm function cannot be realized.

Through retrieval, the Chinese patent No. CN209764278U discloses a wireless temperature measuring device for a power distribution cabinet, which comprises a wireless temperature measuring data transmitting device and a plurality of wireless temperature measuring sensors wirelessly connected with the wireless temperature measuring data transmitting device; the wireless temperature measurement data transmitting device comprises an MCU I, a wireless receiving module and a wireless communication antenna which are connected in sequence; the wireless receiving module is set to be a plurality of receiving channels in a frequency hopping mode, each receiving channel comprises a plurality of receiving addresses, and the MCU I is used for controlling the working time of the wireless receiving module in each channel and receiving data transmitted by a plurality of wireless temperature measuring sensors through the plurality of receiving addresses.

But the current wireless temperature measuring device's that is used for the switch board fixed mode is fairly simple, all bindes in the switch board, rocks easily to when the later stage overhauls, dismantle also comparatively difficultly, brought the degree of difficulty for maintainer's work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wireless temperature measuring device for a power distribution cabinet, which only needs to pull down a clamping plate through an arranged clamping mechanism to increase the distance between an upper clamping plate and a lower clamping plate, thereby being convenient to be clamped on the inner wall of the power distribution cabinet, leading the temperature sensor on the back plate to be arranged inside the power distribution cabinet, then removing the pulling force, pushing the positioning plate to move upwards under the action of the spring, namely, the limiting post moves upwards, the limiting post drives the connecting plate and the expansion plate to move, and finally the lower clamping plate is clamped at the lower part of the inner wall of the power distribution cabinet, thereby completing the fixation, and the operation is simple, solving the problems that the prior wireless temperature measuring device for the power distribution cabinet has simple fixation mode, is bound in the power distribution cabinet and is easy to shake, and when the overhaul is carried out in the later stage, the disassembly is also difficult, which brings difficulty to the work of the overhaul personnel.

According to the utility model discloses a wireless temperature measuring device for switch board, which comprises a housin, inside one side of casing is equipped with monitoring conveying mechanism, monitoring conveying mechanism includes temperature sensor and wireless temperature measurement data emitter, the casing is extended to one side of temperature sensor, and the wireless temperature measurement data emitter is connected to the opposite side, one side of wireless temperature measurement data emitter is equipped with fixture, fixture's upper and lower both sides all run through the outside that casing and end extend to the casing.

Furthermore, a back plate is arranged on one side of the shell, a through hole is formed in the middle of the back plate, and the temperature sensor is arranged in the through hole.

Further, one side of the shell, which is far away from the back plate, is provided with a clamping cover, the edge of the clamping cover is provided with a clamping buckle, and the shell is provided with a clamping groove matched with the clamping buckle.

Further, fixture includes last grip block, the bottom and the casing fixed connection of last grip block.

Further, fixture still includes lower grip block, the top one side of grip block is connected with the expansion plate down, the upper portion of expansion plate extends to the inside and end of casing and is fixed with the connecting plate.

Further, the top of connecting plate evenly is provided with a plurality of spacing posts, spacing post all runs through the fixed plate and extends to the upper portion of fixed plate, just one side and the backplate fixed connection of fixed plate.

Further, all the cover is equipped with the spring on the spacing post outer wall of fixed plate upside, just the upper portion of spacing post is equipped with the locating plate, the both ends of spring are fixed respectively on fixed plate, locating plate.

Furthermore, the bottom end of the fixing plate is fixed with a positioning sleeve, and the positioning sleeve is sleeved on the outer wall of the limiting column.

Further, be provided with the cushion collar on the diapire of casing, the middle part of cushion collar is provided with the opening, the expansion plate passes the opening and is connected with lower grip block.

Further, go up the grip block, all be to the one side slope setting of casing down the grip block, just it all is provided with the centre gripping pad to go up grip block, lower grip block one side in opposite directions, evenly arranged a plurality of ribs on the centre gripping pad.

Compared with the prior art, the utility model beneficial effect who has is:

1. through the arranged clamping mechanism, when the wireless temperature measuring device is fixed, only the lower clamping plate needs to be pulled down, so that the distance between the upper clamping plate and the lower clamping plate is increased, the clamping is convenient to clamp on the inner wall of a power distribution cabinet, the temperature sensor on the back plate is arranged in the power distribution cabinet, the tension is removed, the positioning plate is pushed to move upwards under the action of the spring, the limiting column moves upwards, the connecting plate and the telescopic plate are driven to move by the limiting column, and finally the lower clamping plate is clamped at the lower part of the inner wall of the power distribution cabinet, so that the fixing is completed, the operation is simple and convenient, the collision force generated when the lower clamping plate contracts can be reduced by the clamping pads arranged on the upper clamping plate and the lower clamping plate, and the contact area can be reduced by the arranged ribs, so that the friction force of the wireless temperature;

2. temperature sensor monitors the inside temperature of switch board, and measured data sends to external equipment through wireless temperature measurement data transmitting device to the inside temperature of switch board is examined and repaired through dismantling the card lid to the fine monitoring of staff of being convenient for, and is examining and repairing, thereby the easy access has improved maintainer's work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic side view of the wireless temperature measuring device for the power distribution cabinet according to the present invention;

fig. 2 is a schematic front structural view of the wireless temperature measuring device for the power distribution cabinet according to the present invention;

fig. 3 is a side sectional view of the wireless temperature measuring device for the power distribution cabinet provided by the present invention when being clamped and fixed;

fig. 4 is a front connection diagram of a fixing plate and a limiting column in the wireless temperature measuring device for the power distribution cabinet of the present invention;

fig. 5 is the utility model provides a side section view for when wireless temperature measuring device centre gripping of switch board opens.

In the figure: the clamping device comprises a shell 1, a back plate 2, a temperature sensor 3, a clamping mechanism 4, an upper clamping plate 5, a lower clamping plate 6, a telescopic plate 7, a connecting plate 8, a fixing plate 9, a limiting column 10, a spring 11, a positioning plate 12, a positioning sleeve 13, a buffer sleeve 14, a clamping cover 15 and a clamping pad 16.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-5, the preferred embodiment of the present invention is shown.

A wireless temperature measuring device for switch board, including casing 1, inside one side of casing 1 is equipped with monitoring conveying mechanism, monitoring conveying mechanism includes temperature sensor 3 and wireless temperature measurement data emitter, casing 1 is extended to one side of temperature sensor 3, and wireless temperature measurement data emitter is connected to the opposite side, one side of wireless temperature measurement data emitter is equipped with fixture 4, fixture 4's upper and lower both sides all run through casing 1 and the outside that the end extends to casing 1, fixture 4 has realized wireless temperature measuring device's fixing, also convenient the dismantlement simultaneously, measured data send to external equipment through wireless temperature measurement data emitter, thereby be convenient for the staff fine monitoring switch board inside temperature.

In this embodiment, one side of casing 1 is equipped with backplate 2, and the middle part of backplate 2 is provided with the through-hole, and temperature sensor 3 sets up in the through-hole, makes temperature sensor 3 fully set up inside the block terminal, increases the accuracy of measured temperature data.

In this embodiment, one side that backplate 2 was kept away from to casing 1 is equipped with card lid 15, and the border of card lid 15 is provided with the buckle, is equipped with on casing 1 with buckle assorted draw-in groove, can realize dismantling the installation, convenient to overhaul.

In this embodiment, the clamping mechanism 4 includes an upper clamping plate 5, and the bottom of the upper clamping plate 5 is fixedly connected with the housing 1, so as to fix the upper portion of the wireless temperature measuring device.

Specifically, fixture 4 still includes grip block 6 down, top one side of grip block 6 is connected with expansion plate 7 down, the upper portion of expansion plate 7 extends to 1 inside and end of casing and is fixed with connecting plate 8, the top of connecting plate 8 evenly is provided with a plurality of spacing post 10, spacing post 10 all runs through fixed plate 9 and extends to the upper portion of fixed plate 9, and one side and 2 fixed connection of backplate of fixed plate 9, all the cover is equipped with spring 11 on the spacing post 10 outer wall of fixed plate 9 upside, and the upper portion of spacing post 10 is equipped with locating plate 12, the both ends of spring 11 are fixed respectively at fixed plate 9, on locating plate 12, realized recovering and providing the centre gripping stationary force to grip block 6 is tensile down.

In this embodiment, the bottom end of the fixing plate 9 is fixed with a positioning sleeve 13, and the positioning sleeve 13 is sleeved on the outer wall of the limiting column 10 to limit the limiting column 10 and prevent the limiting column from shifting.

In this embodiment, be provided with cushion collar 14 on the diapire of casing 1, the middle part of cushion collar 14 is provided with the opening, and expansion plate 7 passes the opening and is connected with lower grip block 6, plays the cushioning effect and can reduce the impact of connecting plate 8 to casing 1.

In this embodiment, go up grip block 5, lower grip block 6 and all be the slope setting to one side of casing 1, the gathering of the clamping-force of being convenient for like this to increase the centre gripping stability, and go up grip block 5, lower grip block 6 one side in opposite directions all is provided with clamping pad 16, has evenly arranged a plurality of ribs on clamping pad 16, reduces area of contact, increases frictional force.

When the technical scheme is used, the clamping mechanism 4 is arranged, the lower clamping plate 6 only needs to be pulled down, so that the distance between the upper clamping plate 5 and the lower clamping plate 6 is increased, the clamping is convenient to clamp on the inner wall of a power distribution cabinet, the temperature sensor 3 on the back plate 2 is arranged in the power distribution cabinet, the tension is removed, the positioning plate 12 is pushed to move upwards under the action of the spring 11, namely, the limiting column 10 moves upwards, the limiting column 10 drives the connecting plate 8 and the telescopic plate 7 to move, and finally, the lower clamping plate 6 is clamped at the lower part of the inner wall of the power distribution cabinet, so that the fixation is completed, the operation is simple and convenient, the clamping pads 16 arranged on the upper clamping plate 5 and the lower clamping plate 6 can reduce the collision force when the lower clamping plate 6 contracts, and the arranged ribs can reduce the contact area, so that the friction force of the wireless temperature measuring device is increased, the stability is improved, and the, temperature sensor 3 monitors the inside temperature of switch board, and measured data sends to external equipment through wireless temperature measurement data transmitting device to the inside temperature of switch board is examined and repaired well to the staff of being convenient for, can carry out inside maintenance through dismantling the card lid, thereby the easy access has improved maintainer's work efficiency.

In this embodiment, the whole operation process can be controlled by a computer, and PLC and the like are added to realize automatic operation control, and in each operation link, signal feedback can be performed by setting a sensor to realize sequential execution of steps, which are conventional knowledge of the current automatic control, and are not repeated in this embodiment.

The details of the present invention are well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A wireless temperature measuring device for switch board, its characterized in that: the temperature measurement device comprises a housing, inside one side of casing is equipped with monitoring conveying mechanism, monitoring conveying mechanism includes temperature sensor and wireless temperature measurement data emitter, the casing is extended to one side of temperature sensor, and wireless temperature measurement data emitter is connected to the opposite side, one side of wireless temperature measurement data emitter is equipped with fixture, fixture's upper and lower both sides all run through the outside that casing and end extend to the casing.

2. The wireless temperature measuring device for the power distribution cabinet according to claim 1, wherein: a back plate is arranged on one side of the shell, a through hole is formed in the middle of the back plate, and the temperature sensor is arranged in the through hole.

3. The wireless temperature measuring device for the power distribution cabinet according to claim 2, wherein: one side of the shell, which is far away from the back plate, is provided with a clamping cover, the edge of the clamping cover is provided with a clamping buckle, and the shell is provided with a clamping groove matched with the clamping buckle.

4. The wireless temperature measuring device for the power distribution cabinet according to any one of claims 1 to 3, wherein: the clamping mechanism comprises an upper clamping plate, and the bottom of the upper clamping plate is fixedly connected with the shell.

5. The wireless temperature measuring device for the power distribution cabinet according to claim 4, wherein: the clamping mechanism further comprises a lower clamping plate, one side of the top end of the lower clamping plate is connected with an expansion plate, the upper portion of the expansion plate extends to the inside of the shell, and a connecting plate is fixed to the end of the expansion plate.

6. The wireless temperature measuring device for the power distribution cabinet according to claim 5, wherein: the top of connecting plate evenly is provided with a plurality of spacing posts, spacing post all runs through the fixed plate and extends to the upper portion of fixed plate, just one side and the backplate fixed connection of fixed plate.

7. The wireless temperature measuring device for the power distribution cabinet according to claim 6, wherein: all the cover is equipped with the spring on the spacing post outer wall of fixed plate upside, just the upper portion of spacing post is equipped with the locating plate, the both ends of spring are fixed respectively on fixed plate, locating plate.

8. The wireless temperature measuring device for the power distribution cabinet according to claim 7, wherein: and the bottom end of the fixed plate is fixed with a positioning sleeve which is sleeved on the outer wall of the limiting column.

9. The wireless temperature measuring device for the power distribution cabinet according to claim 8, wherein: be provided with the cushion collar on the diapire of casing, the middle part of cushion collar is provided with the opening, the expansion plate passes the opening and is connected with lower grip block.

10. The wireless temperature measuring device for the power distribution cabinet according to claim 9, wherein: go up the grip block, all be to one side slope setting of casing down the grip block, just go up grip block, down grip block one side in opposite directions all is provided with the centre gripping and fills up, evenly arranged a plurality of ribs on the centre gripping is filled up.