Fluxgate sensor
By using phase change materials and thermal plates in flux gate sensors to cool down, the problem of reduced sensitivity in high-temperature environments is solved, the detection effect and toughness of the filling box are improved, and the stability of the body is enhanced.
Patent Information
- Application Number
- CN202420767223.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-15
AI Technical Summary
The sensitivity of existing flux gate sensors is reduced in high temperature environments, affecting the detection effect.
The phase change material in the filling box is used to cool down, and a thermal conduction plate is installed on the outside of the body to accelerate heat export, while increasing the toughness of the filling box and the support structure of the body.
It effectively reduces the internal temperature of the machine, improves sensitivity, enhances the toughness of the filling box, and improves the cooling efficiency and welding stability.
Smart Images
Figure CN222212924U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fluxgates, in particular to a fluxgate sensor. Background Art
[0002] The fluxgate sensor is a sensor that measures weak magnetic fields by utilizing the nonlinear relationship between the magnetic induction intensity and the magnetic field intensity of a high permeability core in the measured magnetic field under saturation excitation of an alternating magnetic field.
[0003] Chinese patent number CN201920505464.6 discloses an open type fluxgate current sensor, including a base, a first semicircular magnetic core mounting groove is provided on the base, a second semicircular magnetic core mounting groove is hinged on the first semicircular magnetic core mounting groove, the first semicircular magnetic core mounting groove is used to place the first semicircular magnetic core, and the second semicircular magnetic core mounting groove is used to place the second semicircular magnetic core; and also includes a detection device, the detection device includes a detection coil and a circuit board wound around the bottom of the second semicircular magnetic core, the detection coil is sequentially connected to the peak detection circuit, instrument amplifier circuit, filter amplifier circuit and single chip microcomputer on the circuit board, and the single chip microcomputer is connected to the PWM output circuit and the Signal output circuit. In the process of using the prior art, the internal temperature of the fluxgate sensor will rise when it is used. When the temperature is high, it will affect the sensitivity of the fluxgate sensor, thereby affecting the detection effect of the fluxgate sensor. Utility Model Content
[0004] The utility model aims to provide a fluxgate sensor to solve the problems in the prior art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fluxgate sensor, comprising a body; a cover plate is arranged at the front end of the body, the cover plate is fixedly installed at the front end of the body by bolts, a wiring hole is arranged at the lower position of the front end of the cover plate, a through hole is arranged between the cover plate and the body, a filling box is installed on the outside of the body, the filling box is filled with phase change material, the volume of the filling box is larger than the volume of the phase change material after expansion, and a mounting plate is arranged at the bottom of the body, and the mounting plate and the body are integrated.
[0006] Preferably, a self-cleaning layer is provided on the outside of the body, and the self-cleaning layer is provided as a nano-silicon coating layer.
[0007] Preferably, a reinforcement layer is provided inside the filling box, and the reinforcement layer is provided as a carbon fiber plate.
[0008] Preferably, a plurality of heat conducting plates are arranged on the outside of the machine body at positions inside the filling box, and the heat conducting plates are welded to the outside of the machine body.
[0009] Preferably, side support plates are provided between the machine body and the mounting plate, and the side support plates are welded to both sides of the machine body and the upper side of the mounting plate.
[0010] Preferably, a soft pad is provided at the bottom end of the mounting plate, and the soft pad is adhered to the bottom end of the mounting plate by adhesive.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. During the use of the machine, when the internal temperature of the machine is high, the phase change material will absorb heat from the inside of the machine and cool it down to avoid the internal temperature of the machine being too high and affecting the sensitivity of the machine;
[0013] 2. The setting of the reinforcement plate can increase the toughness of the filling box and avoid the phenomenon that the filling box is damaged by impact during use;
[0014] 3. The setting of the heat conduction plate can quickly conduct the heat generated inside the machine body, which can improve the cooling efficiency inside the machine body;
[0015] 4. The side support plate is used to support the machine body and the mounting plate, making the welding between the mounting plate and the machine body more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 It is a side view structural schematic diagram of the utility model;
[0019] Figure 3 It is a schematic diagram of the internal structure of the utility model;
[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the structure of A.
[0021] In the figure: 1. body; 2. through hole; 3. wiring hole; 4. filling box; 5. mounting plate; 6. cushion; 7. side support plate; 8. self-cleaning layer; 9. phase change material; 10. reinforcement layer; 11. heat conduction plate; 12. cover plate. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In an embodiment of the utility model, a fluxgate sensor includes a body 1; a cover plate 12 is provided at the front end of the body 1, and the cover plate 12 is fixedly installed at the front end of the body 1 by bolts, a wiring hole 3 is provided at the lower position of the front end of the cover plate 12, and a through hole 2 is provided between the cover plate 12 and the body 1, a filling box 4 is installed on the outside of the body 1, and the filling box 4 is filled with phase change material 9, and the volume of the filling box 4 is larger than the volume of the phase change material 9 after expansion, and a mounting plate 5 is provided at the bottom end of the body 1, and the mounting plate 5 is integrated with the body 1.
[0024] A self-cleaning layer 8 is arranged on the outside of the body 1, and the self-cleaning layer 8 is arranged as a nano-silicon coating layer. The nano-silicon coating layer used in the self-cleaning layer 8 has the properties of being hydrophobic and difficult for dust to adhere to, and can keep the outer surface of the body 1 clean for a long time.
[0025] A reinforcing layer 10 is arranged at the inner side of the filling box 4, and the reinforcing layer 10 is arranged as a carbon fiber plate. The arrangement of the reinforcing plate can increase the toughness of the filling box 4, and avoid the phenomenon that the filling box 4 is damaged by impact during use; a plurality of heat conducting plates 11 are arranged at the inner side of the filling box 4 on the outer side of the body 1, and the heat conducting plates 11 are welded to the outer side of the body 1. The arrangement of the heat conducting plates 11 can quickly conduct the heat generated inside the body 1, and can improve the cooling efficiency of the inside of the body 1.
[0026] A side support plate 7 is arranged between the body 1 and the mounting plate 5, and the side support plate 7 is welded to both sides of the body 1 and the upper side of the mounting plate 5. The side support plate 7 is arranged to support the body 1 and the mounting plate 5, so that the welding between the mounting plate 5 and the body 1 is more stable; a soft pad 6 is arranged at the bottom end of the mounting plate 5, and the soft pad 6 is glued to the bottom end of the mounting plate 5 by adhesive. The texture of the soft pad 6 is relatively soft. When the mounting plate 5 is installed, the soft pad 6 will be deformed by pressure to fill the gap between the mounting plate 5 and the mounting base, so that the installation of the mounting plate 5 is more stable.
[0027] The working principle and use process of the utility model are as follows: when in use, the body 1 is installed and fixed by the mounting plate 5. During the use of the body 1, when the internal temperature of the body 1 is high, the phase change material 9 will absorb heat from the inside of the body 1 and cool down the inside of the body 1 to avoid the high internal temperature of the body 1 affecting the sensitivity of the body 1.
[0028] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A fluxgate sensor, comprising a body (1); Features: A cover plate (12) is provided at the front end of the machine body (1), and the cover plate (12) is fixedly mounted at the front end of the machine body (1) by means of bolts. A wiring hole (3) is provided at the lower position of the front end of the cover plate (12), and a through hole (2) is provided between the cover plate (12) and the machine body (1). A filling box (4) is installed on the outside of the machine body (1), and the filling box (4) is filled with a phase change material (9). The volume of the filling box (4) is larger than the volume of the phase change material (9) after expansion. A mounting plate (5) is provided at the bottom end of the machine body (1), and the mounting plate (5) is integrally arranged with the machine body (1).
2. A fluxgate sensor according to claim 1, Features: A self-cleaning layer (8) is arranged on the outside of the machine body (1), and the self-cleaning layer (8) is arranged as a nano-silicon coating layer.
3. A fluxgate sensor according to claim 1, Features: A reinforcement layer (10) is arranged inside the filling box (4), and the reinforcement layer (10) is arranged as a carbon fiber plate.
4. A fluxgate sensor according to claim 1, Features: A plurality of heat conducting plates (11) are arranged on the outside of the machine body (1) at a position inside the filling box (4), and the heat conducting plates (11) are welded to the outside of the machine body (1).
5. A fluxgate sensor according to claim 1, Features: A side support plate (7) is provided between the machine body (1) and the mounting plate (5), and the side support plate (7) is welded to both sides of the machine body (1) and the upper side of the mounting plate (5).
6. A fluxgate sensor according to claim 1, Features: A soft pad (6) is provided at the bottom end of the mounting plate (5), and the soft pad (6) is adhered to the bottom end of the mounting plate (5) by adhesive.