CN219478419U

CN219478419U - High-frequency interference resistant device for sensor

Info

Publication number: CN219478419U
Application number: CN202320263168.6U
Authority: CN
Inventors: 顾明
Original assignee: Yancheng Zhongmei Yatai Electrical And Mechanical Equipment Manufacturing Co ltd
Current assignee: Yancheng Zhongmei Yatai Electrical And Mechanical Equipment Manufacturing Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-04
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a high-frequency interference resistant device for a sensor, which comprises a device body, wherein the device body is fixed at the top of a heat conducting plate through a butt joint mechanism, two ends of the device body are connected with signal transmission lines, the heat conducting plate is fixed at the top end of a heat exchange box, and a row of heat conducting sheets fixed at the bottom end of the heat conducting plate are inserted into the heat exchange box. This an anti high frequency interference device for sensor, through heat-conducting plate, the heat transfer box, the conducting strip, the return circuit board, raceway and drain pipe, after installing the device, with the outside water source of raceway connection and regularly input cold water to the heat transfer box, when the device body produced heat, the heat-conducting plate contacted absorption a large amount of heats with the device body bottom surface, give the conducting strip with heat transfer again, the return circuit that the raceway input cold water formed through the return circuit board at this moment flows in the inside of heat transfer box and contacted with the conducting strip, finally discharge from the drain pipe, realize quick heat transfer cooling, reduce equipment loss and fault incidence.

Description

High-frequency interference resistant device for sensor

Technical Field

The utility model relates to the technical field of sensor anti-interference, in particular to an anti-high-frequency interference device for a sensor.

Background

When the comprehensive electric quantity measuring instrument collects data such as detected current, voltage, frequency, power factor and the like, the data sensor in the comprehensive electric quantity measuring instrument is easy to be influenced due to the fact that the action of the power switch device contains a large amount of high-frequency interference (radiation and conduction), so that adverse effects are brought to data collection of a system, a high-frequency interference resisting device for the sensor is particularly needed to improve the use stability of the sensor, and in the selection of the high-frequency interference resisting device, a low-pass filter is mostly used to inhibit interference of high frequency to the sensor at present, the principle is that a low-frequency signal can normally pass, and a high-frequency signal exceeding a set critical value is blocked, so that the effect of high-frequency interference resisting is achieved.

The existing low-pass filter can generate certain heat in the using process, heat dissipation is difficult to ensure by means of heat dissipation of the existing low-pass filter, the operation of the low-pass filter can be influenced and even damaged, and therefore the service life of the low-pass filter is shortened.

Patent number CN214411469U discloses a novel low-pass filter, and the patent background mentions that the low-pass filter can be accompanied with the heat in the use process, and the existing low-pass filter has the problem that the radiating effect is not good when using, and this influences the operation and use of the low-pass filter, and is consistent with the problem mentioned in the patent.

Accordingly, in view of the above, research and improvement have been made on the conventional structure and the conventional drawbacks, and an anti-high frequency interference device for a sensor has been proposed.

Disclosure of Invention

The present utility model is directed to a high-frequency interference device for a sensor, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the heat-conducting plate comprises a device body, the device body passes through docking mechanism to be fixed at the top of heat-conducting plate, and the both ends of device body are connected with signal transmission line, the heat-conducting plate is fixed on the top of heat-exchanging box, and the inside that the heat-conducting plate bottom fixed a row of conducting strip inserted the heat-exchanging box, the both ends of heat-exchanging box communicate respectively has raceway and drain pipe, the raceway is regularly through outside water source to heat-exchanging box input cold water, and the inside of heat-exchanging box is fixed with the return circuit board, the side of heat-conducting plate is fixed with the heat dissipation protection casing through the screw.

Preferably, the bottom nail of heat exchange box has the block mount pad, the both ends of block mount pad are equipped with a row of screw hole.

Preferably, the docking mechanism comprises a sleeve plate, a positioning plate, a docking rod and a spring, wherein the sleeve plate is fixed on one side of the device body, the sleeve plate is sleeved outside the positioning plate, the docking rod is elastically connected with the sleeve plate through the spring, and the docking rod penetrates through the sleeve plate and is inserted into the rod hole of the positioning plate.

Preferably, openings are formed at two ends of the heat dissipation protective cover, and the signal transmission lines penetrate through the openings.

Preferably, the inside top of heat dissipation protection casing installs the heat dissipation fan, and the open-top inner wall draw-in groove of heat dissipation protection casing is connected with ventilation dust screen.

Preferably, the clamping groove on the inner wall of the heat dissipation protective cover is connected with a temperature sensor, and the temperature sensor is electrically connected with the heat dissipation fan.

Preferably, the front and back sides of the heat dissipation protective cover are provided with heat dissipation holes, and the heat dissipation holes are distributed in rectangular arrays on the front and back sides of the heat dissipation protective cover.

Compared with the prior art, the utility model has the following beneficial effects:

1. after the device is installed, the water pipe is connected with an external water source and cold water is input into the heat exchange box at fixed time, when the device body generates heat, the heat conduction plate is contacted with the bottom surface of the device body to absorb a large amount of heat, then the heat is transferred to the heat conduction plate, at the moment, the cold water input into the water pipe flows in the heat exchange box through a loop formed by the loop plate and is contacted with the heat conduction plate, and finally, the cold water is discharged from the water pipe, so that the rapid heat exchange and temperature reduction are realized, and the equipment loss and the failure rate are reduced.

2. According to the utility model, the heat radiation protection cover, the heat radiation fan, the ventilation dustproof net, the temperature sensor and the heat radiation holes are arranged, after the device body and the heat exchange box are installed, the heat radiation protection cover is sleeved on the side surface of the heat conduction plate and is fixed by screws, the openings at the two ends can be the positions of the signal transmission lines, so that the protection effect on the device body is achieved, the temperature sensor monitors the internal temperature, the heat radiation fan is started to radiate when the temperature is higher, heat is conducted out through the ventilation dustproof net, the ventilation dustproof net can also play a role in dustproof, finally the heat radiation holes can also play an auxiliary role in ventilation, the heat radiation effect is improved, and the temperature sensor can close the heat radiation fan after the temperature is reduced.

Drawings

Fig. 1 is a schematic perspective view of an anti-high frequency interference device for a sensor;

FIG. 2 is a schematic diagram showing the internal structure of a high-frequency interference resisting device for a sensor according to the present utility model;

FIG. 3 is an enlarged schematic view of the sensor anti-high frequency interference device shown in FIG. 2;

fig. 4 is a schematic perspective view of a heat conducting plate of a high-frequency interference resistant device for a sensor.

In the figure: 1. a device body; 2. a heat conductive plate; 3. a heat exchange box; 4. a heat conductive sheet; 5. a circuit board; 6. a water pipe; 7. a drain pipe; 8. a sleeve plate; 9. a positioning plate; 10. a butt joint rod; 11. a spring; 12. a heat dissipation protective cover; 13. a signal transmission line; 14. a heat dissipation fan; 15. a ventilation dust screen; 16. a temperature sensor; 17. clamping the mounting seat; 18. and the heat dissipation holes.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the device comprises a device body 1, and is characterized in that the device body 1 is fixed at the top of a heat-conducting plate 2 through a butt joint mechanism, two ends of the device body 1 are connected with signal transmission lines 13, the heat-conducting plate 2 is fixed at the top end of a heat-exchanging box 3, a row of heat-conducting fins 4 fixed at the bottom end of the heat-conducting plate 2 are inserted into the heat-exchanging box 3, two ends of the heat-exchanging box 3 are respectively communicated with a water pipe 6 and a water drain pipe 7, the water pipe 6 inputs cold water to the heat-exchanging box 3 through an external water source at regular time, a loop board 5 is fixed in the heat-exchanging box 3, and a heat-dissipating protective cover 12 is fixed on the side surface of the heat-conducting plate 2 through screws.

The device comprises a heat conducting plate 2, a heat exchange box 3, a heat conducting sheet 4, a loop board 5, a water conveying pipe 6 and a water discharging pipe 7, wherein after the device is installed, the water conveying pipe 6 is connected with an external water source and inputs cold water into the heat exchange box 3 at fixed time, when the device body 1 generates heat, the heat conducting plate 2 is contacted with the bottom surface of the device body 1 to absorb a large amount of heat, and then the heat is transferred to the heat conducting sheet 4, at the moment, the water conveying pipe 6 inputs the cold water to flow in the heat exchange box 3 through a loop formed by the loop board 5 and is contacted with the heat conducting sheet 4, and finally the cold water is discharged from the water discharging pipe 7, so that quick heat exchange and cooling are realized, and the equipment loss and the failure rate are reduced.

As shown in fig. 1 and 3, the docking mechanism comprises a sleeve plate 8, a positioning plate 9, a docking rod 10 and a spring 11, wherein the sleeve plate 8 is fixed on one side of the device body 1, the sleeve plate 8 is sleeved outside the positioning plate 9, the docking rod 10 is elastically connected with the sleeve plate 8 through the spring 11, the docking rod 10 penetrates through the sleeve plate 8 and is inserted into a rod hole of the positioning plate 9, a clamping installation seat 17 is nailed at the bottom end of the heat exchange box 3, and a row of screw holes are formed in two ends of the clamping installation seat 17.

The device specifically comprises the following operation that when the device body 1 is installed through the docking mechanism, the docking rod 10 is pulled outwards, the sleeve plate 8 is sleeved outside the positioning plate 9, the docking rod 10 is inserted into the rod hole of the positioning plate 9 to be fixed under the action of the spring 11 by loosening the hand, so that the device is quite stable, the device body 1 is convenient to detach and maintain and check, and finally the heat exchange box 3 is installed at a specified position through the clamping installation seat 17.

As shown in fig. 1-2, openings are formed at two ends of the heat dissipation protective cover 12, the signal transmission lines 13 pass through the openings, a heat dissipation fan 14 is mounted at the top end of the heat dissipation protective cover 12, a ventilation dust screen 15 is connected to a slot on the inner wall of the top end opening of the heat dissipation protective cover 12, a temperature sensor 16 is connected to a slot on the inner wall of the heat dissipation protective cover 12, the temperature sensor 16 is electrically connected with the heat dissipation fan 14, heat dissipation holes 18 are formed in the front and back surfaces of the heat dissipation protective cover 12, and the heat dissipation holes 18 are distributed in rectangular arrays on the front and back surfaces of the heat dissipation protective cover 12.

The device specifically comprises a heat radiation protection cover 12, a heat radiation fan 14, a ventilation dustproof net 15, a temperature sensor 16 and a heat radiation hole 18, wherein after the device body 1 and the heat exchange box 3 are installed, the heat radiation protection cover 12 is sleeved on the side surface of the heat conduction plate 2 and fixed by screws, openings at two ends can be the free positions of the signal transmission lines 13, so that the device body 1 is protected, the temperature sensor 16 monitors the internal temperature, the heat radiation fan 14 is started to radiate heat when the temperature is higher, heat is led out through the ventilation dustproof net 15, the ventilation dustproof net 15 can also play a role in dust prevention, and finally the heat radiation hole 18 can play a role in auxiliary ventilation, so that the heat radiation effect is improved.

Working principle: when the high-frequency interference resistant device for the sensor is used, the butt joint rod 10 is pulled outwards, the sleeve plate 8 is sleeved outside the positioning plate 9, the butt joint rod 10 is inserted into the rod hole of the positioning plate 9 under the action of the spring 11 to be fixed, the heat exchange box 3 is mounted to a designated position through the clamping mounting seat 17, the heat radiation protection cover 12 is sleeved on the side face of the heat conduction plate 2 and is fixed by screws, openings at two ends can be the empty positions of the signal transmission line 13, the temperature sensor 16 monitors the internal temperature, the heat radiation fan 14 is started to radiate heat when the temperature is high, the heat radiation is conducted through the ventilation dustproof net 15, the ventilation dustproof net 15 can also play a dustproof role, the heat radiation hole 18 can also play a role of assisting in ventilation, the heat radiation effect is improved, after the device is mounted, the water pipe 6 is connected with an external water source and is timely input into the heat exchange box 3, when the heat is generated by the device body 1, the heat conduction plate 2 is contacted with the bottom face of the device body 1, the heat radiation protection cover 4 is further contacted with the bottom face of the heat conduction plate 1, the heat radiation plate 6 is further contacted with the water pipe 6 to form a heat exchange box 6, the heat exchange box is timely discharged from the water pipe 7 through the water pipe 7, the water pipe 7 is timely connected with the water pipe 7, the water pipe 7 is finally discharged from the water pipe 7, the water pipe is connected with the water pipe 7 through the water pipe 7, the water pipe is timely-cooling device is connected with the water cooling device, the water cooling device is timely-cooling device is connected with the water cooling device, and the water cooling device is finally, the water cooling device is cooled down, and the water tank is cooled down, and the water is consumed down, and the water is discharged from the water tank is consumed and the water tank is discharged from the water tank is consumed by the water tank is consumed, and the water is consumed and the water is discharged by the water is consumed.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an anti high frequency interference device for sensor, includes device body (1), its characterized in that, device body (1) is fixed at the top of heat-conducting plate (2) through docking mechanism, and the both ends of device body (1) are connected with signal transmission line (13), the top at heat-conducting plate (2) are fixed in heat exchange case (3), and the inside of heat-conducting strip (4) of heat-conducting plate (2) bottom mounting inserts heat exchange case (3), the both ends of heat exchange case (3) communicate respectively have raceway (6) and drain pipe (7), raceway (6) are regularly to heat exchange case (3) input cold water through outside water source, and the inside of heat exchange case (3) is fixed with return circuit board (5), the side of heat-conducting plate (2) is fixed with heat dissipation protection casing (12) through the screw.

2. The high-frequency interference resistant device for the sensor according to claim 1, wherein the bottom end of the heat exchange box (3) is nailed with a clamping installation seat (17), and two ends of the clamping installation seat (17) are provided with a row of screw holes.

3. The high-frequency interference resistant device for a sensor according to claim 1, wherein the docking mechanism comprises a sleeve plate (8), a positioning plate (9), a docking rod (10) and a spring (11), the sleeve plate (8) is fixed on one side of the device body (1), the sleeve plate (8) is sleeved outside the positioning plate (9), the docking rod (10) is elastically connected with the sleeve plate (8) through the spring (11), and the docking rod (10) is inserted into a rod hole of the positioning plate (9) through the sleeve plate (8).

4. The high-frequency interference resistant device for the sensor according to claim 1, wherein openings are formed at both ends of the heat radiation shield (12), and the signal transmission lines (13) pass through the openings.

5. The high-frequency interference resistant device for the sensor according to claim 1, wherein a heat radiation fan (14) is installed at the inner top end of the heat radiation shield (12), and a ventilation dust screen (15) is connected to a slot of the inner wall of the top end opening of the heat radiation shield (12).

6. The high-frequency interference resistant device for a sensor according to claim 5, wherein a temperature sensor (16) is connected to the inner wall of the heat radiation shield (12) through a slot, and the temperature sensor (16) is electrically connected to the heat radiation fan (14).

7. The high-frequency interference resistant device for a sensor according to claim 5, wherein the heat radiation shield (12) is provided with heat radiation holes (18) on both front and back surfaces thereof, and the heat radiation holes (18) are distributed in a rectangular array on both front and back surfaces of the heat radiation shield (12).