CN210774703U

CN210774703U - Wireless adsorption type temperature internal noise sensor

Info

Publication number: CN210774703U
Application number: CN201922170150.8U
Authority: CN
Inventors: 董贵林
Original assignee: Shanxi Changyu Power Automation Co ltd
Current assignee: Shanxi Changyu Power Automation Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-06-16
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a noise sensor in wireless absorption formula temperature, including lid and base, the recess is seted up to the base upper end, and the through-hole is seted up to the recess lower extreme, and the base lower extreme is equipped with the permanent magnet, is equipped with the casing in the lid, and during the recess was located to the casing lower extreme, inside circuit board, battery and the radio signal transmitter of being equipped with of casing, the casing lower extreme was equipped with temperature probe and sound sensitive probe. The utility model has the advantages of reasonable design, adsorb on the bearing end cover through the base that the through-hole will be seted up to the permanent magnet, real-time temperature and the noise condition to equipment inside monitors to with signal transmission to controller, measure accurately, reduced workman's intensity of labour, labour saving and time saving, the weight of equipment has been alleviateed to the design of nylon lid and thin steel, has saved the raw materials, has reduced manufacturing cost.

Description

Wireless adsorption type temperature internal noise sensor

Technical Field

The utility model belongs to the technical field of the coal mine safety, especially, relate to a noise sensor in wireless absorption formula temperature.

Background

In the operation process of mechanical equipment of a coal mine, such as a driving motor, a speed reducer and various rollers, the temperature and the lubrication degree of a bearing directly influence the service life of the bearing, and when the temperature of a bearing end cover reaches 70-80 ℃ or noise occurs inside the machine, the bearing is in failure, so that the normal operation and the safe production of the equipment are threatened. The temperature of the end cover of the bearing and the working condition of the equipment need to be measured discontinuously by manpower at the present stage, the labor force is wasted, the production cost is increased, and great potential safety hazards are brought to the production due to the equipment faults caused by the fact that workers do not detect in time, so that great economic loss is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a noise sensor in wireless absorption formula temperature.

The utility model discloses a realize like this: a wireless adsorption type temperature internal noise sensor comprises a cover body and a base, wherein the base is arranged below the cover body, a shell is protected through the cover body and the base, the cover body is of a hollow cylindrical structure with an opening at the lower part, the shell is convenient to place, materials are saved, a rectangular groove is formed in the center of the upper end of the base and used for placing the shell, a through hole is formed in the lower end of the groove, the through hole is of a horn-shaped structure with a narrow upper part and a wide lower part, noise inside working equipment enters the groove along the through hole, the horn-shaped structure facilitates noise collection, a plurality of permanent magnets are fixedly arranged at the lower end of the base, the base and a bearing end cover are fixedly connected together through the permanent magnets, the movement is convenient, the pasting is firm, a clamping groove is formed in the lower edge ring of the cover body, the inner diameter of the clamping groove, the closed effect between the base and the cover body is ensured, the cover body is internally provided with a shell, the lower end of the shell is arranged in the groove, the top end of the shell is abutted with the inner upper wall of the cover body, when the cover body is fixedly connected with the base, the shell is pressed in the groove by the cover body, the position cannot move, the shell is internally provided with a circuit board, a battery and a wireless signal transmitter, the battery provides power for the normal operation of equipment, the endurance time is long, the wireless signal transmitter adopts ZigBee and is low in cost and low in power consumption, the wireless signal transmitter is arranged on the upper part of the shell to facilitate the transmission of signals, the lower end of the shell is provided with a temperature probe and a sound sensitive probe, the temperature probe adopts a DS18B20, the DS18B20 outputs digital signals, and the sound sensitive probe has the characteristics of small volume, low hardware expense, strong anti-interference capability and high precision and is arranged at a, the sound sensitive probe is used for receiving the noise transmitted to the groove from the through hole, converts the noise into an electric signal, the circuit board is connected with the battery, the wireless signal transmitter, the temperature probe and the sound sensitive probe simultaneously, and the circuit board converts the digital signal of the temperature probe into a temperature signal, converts the electric signal of the sound sensitive probe into a decibel signal and sends the decibel signal to the display screen of the controller through the wireless signal transmitter, so that the working condition of the equipment can be known by the working personnel in time.

Preferably, the lower extreme of base and the outside that is located the recess evenly encircle and be equipped with a plurality of screw holes, permanent magnet and screw hole interval set up, threaded hole is provided with the countersunk screw, through countersunk screw with base and lid fixed connection, improve equipment's leakproofness.

Preferably, the joint of draw-in groove and base is provided with O type sealing washer, further improves the sealing performance of lid and base joint, does not fear to drench, enlarges the range of application of equipment.

Preferably, the material of lid is nylon, can not the transmission of separation radio signal, has alleviateed the weight of lid, has the advantage that mechanical strength is high when waterproof, durable, the material of base is the steel, the conduction of easy temperature.

Preferably, the degree of depth of recess is 1.5 ~ 2.5mm, the degree of depth of through-hole is 0.5 ~ 1mm, easily the conduction of temperature when fixing the position of casing, makes the temperature value that temperature probe surveyed more accurate, has saved the raw materials simultaneously, has reduced equipment weight and manufacturing cost.

The utility model has the advantages that: the utility model has the advantages of reasonable design, adsorb on the bearing end cover through the base that the through-hole will be seted up to the permanent magnet, real-time temperature and the noise condition to equipment inside monitors to with signal transmission to controller, measure accurately, reduced workman's intensity of labour, labour saving and time saving, the weight of equipment has been alleviateed to the design of nylon lid and thin steel, has saved the raw materials, has reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the base of the present invention;

fig. 3 is a bottom view of the base of the present invention;

FIG. 4 is a schematic structural diagram of a sound sensitive probe;

in the figure: 1. a cover body; 2. a base; 3. a groove; 4. a through hole; 5. a permanent magnet; 6. a card slot; 7. a housing; 8. a circuit board; 9. a battery; 10. a wireless signal transmitter; 11. a temperature probe; 12. a sound sensitive probe; 13. a threaded hole; an O-ring seal.

Detailed Description

In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, a wireless adsorption type temperature internal noise sensor comprises a cover body 1 and a base 2, wherein the base 2 is arranged below the cover body 1, a casing 7 is protected by the cover body 1 and the base 2, the cover body 1 is made of nylon, transmission of wireless signals is not obstructed, the weight of the cover body 1 is reduced, the cover body is waterproof and has the advantage of high mechanical strength, the cover body is durable, the base 2 is made of steel, temperature conduction is facilitated, the cover body 1 is of a hollow cylindrical structure with an opening at the lower part, the casing 7 is convenient to place, materials are saved, a rectangular groove 3 is formed in the center of the upper end of the base 2 and is used for placing the casing 7, a through hole 4 is formed in the lower end of the groove 3, the through hole 4 is of a horn-shaped structure with a narrow upper part and a wide lower part, noise inside a working device enters the groove 3, the horn-shaped structure is convenient for collecting noise, the depth of the groove 3 is 1.5-2.5 mm, the depth of the through hole 4 is 0.5-1 mm, the temperature is easily conducted while the position of the shell 7 is fixed, the temperature value measured by the temperature probe 11 is more accurate, raw materials are saved, the equipment weight and the production cost are reduced, the lower end of the base 2 is fixedly provided with a plurality of permanent magnets 5, the base 2 is fixedly connected with the bearing end cover through the permanent magnets 5, the movement is convenient, the pasting is firm, the lower end of the base 2 and the outer side of the groove 3 are uniformly and annularly provided with a plurality of threaded holes 13, the permanent magnets 5 and the threaded holes 13 are arranged at intervals, countersunk head screws are arranged in the threaded holes 13, the base 2 and the cover body 1 are fixedly connected through the countersunk head screws, the sealing performance of the equipment is improved, the lower edge ring of the cover body 1 is provided with a clamping groove 6, the inner diameter of the clamping groove 6 is slightly larger than the outer diameter of the base 2, the base 2 is clamped in the clamping groove 6, the closing effect between the base 2 and the cover body 1 is ensured, an O-shaped sealing ring 14 is arranged at the joint of the clamping groove 6 and the base 2, the sealing performance of the joint of the cover body 1 and the base 2 is further improved, rain is not feared, the application range of the equipment is expanded, a shell 7 is arranged in the cover body 1, the lower end of the shell 7 is arranged in the groove 3, the top end of the shell 7 is abutted to the upper wall of the inner side of the cover body 1, when the cover body 1 is fixedly connected with the base 2, the shell 7 is pressed in the groove 3 by the cover body 1, the position cannot move, a circuit board 8, a battery 9 and a wireless signal transmitter 10 are arranged in the shell 7, the battery 9 provides electric power for the normal operation of the equipment, the endurance time, the wireless signal transmitter 10 is arranged on the upper portion of the shell 7, so that signals can be conveniently transmitted, the lower end of the shell 7 is provided with the temperature probe 11 and the sound sensitive probe 12, the temperature probe 11 adopts DS18B20, and the DS18B20 outputs digital signals, so that the wireless signal transmitter has the characteristics of small size, low hardware overhead, strong anti-interference capability and high precision, sound wave vibration is transmitted to the diaphragm, the piezoelectric crystal connected with the diaphragm transmits vibration to the circuit board, the sound sensitive probe 12 is arranged at a corresponding position above the through hole 4, the sound sensitive probe 12 is used for receiving vibration transmitted from the through hole 4 to the groove 3 and converting the vibration into electric signals, the circuit board 8 is simultaneously connected with the battery 9, the wireless signal transmitter 10, the temperature probe 11 and the sound sensitive probe 12, the circuit board 8 converts the digital signals of the temperature probe 11 into temperature signals and converts the electric signals of the sound sensitive probe 12 into decibel signals, and send to the display screen of controller through wireless signal transmitter 10 on, the working condition of equipment is in time known to the staff of being convenient for.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A wireless adsorption type temperature internal noise sensor comprises a cover body and a base, wherein the base is arranged below the cover body, the cover body is of a hollow cylindrical structure with an opening at the lower part, a rectangular groove is formed in the center of the upper end of the base, a through hole is formed in the lower end of the groove, the through hole is of a horn-shaped structure with a narrow upper part and a wide lower part, a plurality of permanent magnets are fixedly arranged at the lower end of the base, a clamping groove is formed in the lower edge ring of the cover body, the inner diameter of the clamping groove is slightly larger than the outer diameter of the base, the base is clamped in the clamping groove, a shell is arranged in the cover body, the lower end of the shell is arranged in the groove, the top end of the shell is abutted with the inner upper wall of the cover body, a circuit board, a battery and a wireless signal emitter are arranged in the shell, the, the sound sensitive probe is arranged at a corresponding position above the through hole, and the circuit board is simultaneously connected with the battery, the wireless signal emitter, the temperature probe and the sound sensitive probe.

2. The wireless adsorption type temperature internal noise sensor according to claim 1, wherein a plurality of threaded holes are uniformly formed in the lower end of the base and located on the outer side of the groove in a surrounding mode, the permanent magnet is arranged at intervals with the threaded holes, and countersunk screws are arranged in the threaded holes.

3. The wireless adsorption type temperature internal noise sensor according to claim 1, wherein an O-ring is disposed at a connection between the slot and the base.

4. The wireless adsorption type temperature internal noise sensor according to claim 1, wherein the cover is made of nylon and the base is made of steel.

5. The wireless adsorption type temperature internal noise sensor according to claim 1, wherein the depth of the groove is 1.5-2.5 mm, and the depth of the through hole is 0.5-1 mm.