Billing device capable of preventing strong magnetic interference

Abstract

The utility model discloses a fare register capable of preventing strong magnetic interference, which relates to the field of fare registers and comprises an interlayer type anti-interference shell, and a U-shaped mounting clamp is arranged on the outer surface of the rear end of the interlayer type anti-interference shell. The utility model relates to a fare register capable of preventing strong magnetic interference. A sandwich type anti-interference shell, a U-shaped mounting clamp, a hollow wind scooper, a rotary baffle, a damping knob, a detachable cover plate, an exhaust plate, a connecting bolt, a mounting base, an embedded filtering power supply, a power supply connector, an anti-interference wire harness, a billing device body, a dust filtering baffle, a power supply and transmission connector and an observation window are arranged. When the charging device is used, external strong magnetism can be prevented from interfering with the charging device, electromagnetic interference between wire harnesses can be avoided by filtering current, external low-temperature air can be guided to form a complete cooling air path in equipment, and the influence of heat accumulation of the equipment on use accuracy is avoided.

Description

Technical Field

[0001] The utility model relates to the field of meters, in particular to a meter for preventing strong magnetic interference. Background Art

[0002] A taxi meter is a measuring instrument used to measure the rental duration, measure the mileage based on the signal transmitted by the mileage sensor, and calculate and display the fare that the passenger should pay for the taxi based on the measured timing time and mileage.

[0003] The existing taxi meters have certain drawbacks when in use. The existing meters are easily affected by external strong magnetic interference, which affects the billing accuracy. At the same time, the existing taxi meters cannot quickly discharge the internal heat during use, and the accumulation of heat easily leads to a reduction in the operating speed of the meter, affecting the use accuracy.

[0004] Therefore, it is very necessary to propose a meter for preventing strong magnetic interference to solve the above problems. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a meter for preventing strong magnetic interference, which can effectively solve the problems in the background art.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A meter for preventing strong magnetic interference includes a sandwich-type anti-interference housing. A U-shaped mounting clamp is arranged on the outer surface of the rear end of the sandwich-type anti-interference housing. A hollow air guide cover is arranged in the middle of the rear end of the sandwich-type anti-interference housing. A rotating baffle is arranged in the middle of the hollow air guide cover. A damping knob is arranged on the outer surface of one end of the rotating baffle. A detachable cover plate is arranged on the outer surface of the upper end of the sandwich-type anti-interference housing. An exhaust air plate is arranged in the middle of the upper end of the detachable cover plate. Connecting bolts are arranged between the sandwich-type anti-interference housing and the detachable cover plate. An installation base is arranged on the outer surface of the lower end of the sandwich-type anti-interference housing. An embedded filter power supply is arranged in the middle of the upper end of the installation base. A power supply connection joint is arranged in the middle of the upper end of the embedded filter power supply. An anti-interference wire harness is arranged in the middle of the lower end of the installation base. A power supply and transmission joint is arranged on the outer surface of one end of the anti-interference wire harness. A meter main body is arranged on the inner surfaces around the sandwich-type anti-interference housing. A dust filter baffle is arranged in the middle of the upper end of the meter main body. An observation window is arranged in the middle of the front end of the sandwich-type anti-interference housing.

[0008] Preferably, the outer surface of the rear end of the sandwich anti-interference housing is fixedly connected to the outer surface of the front end of the U-shaped mounting fixture. The middle part of the rear end of the sandwich anti-interference housing is fixedly connected to the outer surface of the front end of the hollow air guide cover. The middle part of the hollow air guide cover is movably connected to the outer wall of the rotary baffle.

[0009] Preferably, one end of the outer surface of the rotary baffle is fixedly connected to the middle part of one end of the damping knob. The upper outer surface of the sandwich anti-interference housing is detachably connected to the lower outer surface of the detachable cover plate through a connecting bolt.

[0010] Preferably, the middle part of the upper end of the detachable cover plate is fixedly connected to the outer surface around the exhaust air plate. The lower outer surface of the sandwich anti-interference housing is fixedly connected to the upper outer surface of the mounting base.

[0011] Preferably, the middle part of the upper end of the mounting base is fixedly connected to the lower outer surface of the embedded filter power supply. The middle part of the upper end of the embedded filter power supply is fixedly connected to the lower outer surface of the power supply connection joint.

[0012] Preferably, the middle part of the upper end of the mounting base is detachably connected to the middle part of the lower end of the meter reading device main body through a power supply connection joint. The middle part of the lower end of the mounting base is fixedly connected to the outer surface of the other end of the anti-interference wire harness.

[0013] Preferably, one end of the outer surface of the anti-interference wire harness is fixedly connected to the middle part of the power supply and transmission joint. The inner surfaces around the sandwich anti-interference housing are detachably connected to the outer surfaces around the meter reading device main body.

[0014] Preferably, the middle part of the upper end of the meter reading device main body is fixedly connected to the lower outer surface of the dust filter baffle. The middle part of the front end of the sandwich anti-interference housing is fixedly connected to the outer surface around the observation window.

[0015] Advantageous Effects

[0016] Compared with the prior art, the present utility model has the following advantageous effects:

[0017] 1. For this meter reading device with anti-strong magnetic interference, by setting the sandwich anti-interference housing, U-shaped mounting fixture, hollow air guide cover, rotary baffle, damping knob, detachable cover plate, exhaust air plate, connecting bolt, mounting base, embedded filter power supply, power supply connection joint, anti-interference wire harness, meter reading device main body, dust filter baffle, power supply and transmission joint and observation window, when in use, it can first avoid the interference of external strong magnetic field on the meter reading device, and avoid the electromagnetic interference between wire harnesses by filtering the current. At the same time, when in use, it can guide the external low-temperature air to form a complete cooling air path inside the device, avoiding the influence of device heat accumulation on the use accuracy. Brief Description of the Drawings

[0018] Figure 1 Schematic diagram of the overall structure of a meter for preventing strong magnetic interference according to the present utility model;

[0019] Figure 2 Schematic diagram of the internal structure of a meter for preventing strong magnetic interference according to the present utility model;

[0020] Figure 3 A meter for preventing strong magnetic interference according to the present utility model Figure 1 Schematic diagram of the structure of the strong magnetic interference prevention component in it.

[0021] In the figure: 1. Sandwich-type anti-interference housing; 2. U-shaped mounting fixture; 3. Hollow air guide cover; 4. Rotating baffle; 5. Damping knob; 6. Removable cover plate; 7. Exhaust plate; 8. Connecting bolt; 9. Mounting base; 10. Embedded filter power supply; 11. Power supply connection joint; 12. Anti-interference wire harness; 13. Meter main body; 14. Dust filter baffle; 15. Power supply and transmission joint; 16. Observation window. Specific embodiments

[0022] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] As Figures 1-3 shown, a meter for preventing strong magnetic interference includes a sandwich-type anti-interference housing 1. A U-shaped mounting fixture 2 is arranged on the outer surface of the rear end of the sandwich-type anti-interference housing 1. A hollow air guide cover 3 is arranged in the middle of the rear end of the sandwich-type anti-interference housing 1. A rotating baffle 4 is arranged in the middle of the hollow air guide cover 3. A damping knob 5 is arranged on the outer surface of one end of the rotating baffle 4. A removable cover plate 6 is arranged on the outer surface of the upper end of the sandwich-type anti-interference housing 1. An exhaust plate 7 is arranged in the middle of the upper end of the removable cover plate 6. A connecting bolt 8 is arranged between the sandwich-type anti-interference housing 1 and the removable cover plate 6. A mounting base 9 is arranged on the outer surface of the lower end of the sandwich-type anti-interference housing 1. An embedded filter power supply 10 is arranged in the middle of the upper end of the mounting base 9. A power supply connection joint 11 is arranged in the middle of the upper end of the embedded filter power supply 10. An anti-interference wire harness 12 is arranged in the middle of the lower end of the mounting base 9. A power supply and transmission joint 15 is arranged on the outer surface of one end of the anti-interference wire harness 12. The meter main body 13 is arranged on the inner surfaces of the four sides of the sandwich-type anti-interference housing 1. A dust filter baffle 14 is arranged in the middle of the upper end of the meter main body 13. An observation window 16 is arranged in the middle of the front end of the sandwich-type anti-interference housing 1.

[0024] It should be noted that the present utility model is a meter for preventing strong magnetic interference, which includes a sandwich-type anti-interference housing 1, a U-shaped mounting fixture 2, a hollow air guide cover 3, a rotating baffle 4, a damping knob 5, a detachable cover plate 6, an exhaust plate 7, a connecting bolt 8, a mounting base 9, an embedded filter power supply 10, a power supply connection joint 11, an anti-interference wire harness 12, a meter main body 13, a dust filter baffle 14, a power supply and transmission joint 15, and an observation window 16. Before use, the meter main body 13 is first installed inside the sandwich-type anti-interference housing 1, and the bottom of the meter main body 13 is fixed by the embedded filter power supply 10 on the mounting base 9 at the bottom of the sandwich-type anti-interference housing 1. The power supply connection joint 11 on the embedded filter power supply 10 is used for embedded power supply connection with the meter main body 13. After connection, the detachable cover plate 6 is connected to the sandwich-type anti-interference housing 1 through the connecting bolt 8. The meter main body 13 is installed in a wrapped manner by the sandwich-type anti-interference housing 1, the detachable cover plate 6, and the mounting base 9. The meter is installed at the vehicle air outlet through the U-shaped mounting fixture 2. After installation, the power supply and transmission joint 15 at the bottom of the anti-interference wire harness 12 is used for power supply connection work for the meter main body 13. During use, the power supply and transmission joint 15 supplies power to the embedded filter power supply 10 through the meter main body 13. The embedded filter power supply 10 performs active filtering on the current. After filtering, power is supplied to the meter main body 13 through the power supply connection joint 11. After being powered, the meter main body 13 measures the rental duration and measures the mileage based on the signal transmitted by the mileage sensor, and calculates and displays the fare that the passenger should pay for the taxi based on the measured timing time and mileage. When the meter main body 13 is working, the sandwich-type anti-interference housing 1, the detachable cover plate 6, and the mounting base 9 prevent external strong magnetic interference from affecting the meter. The sandwich-type anti-interference housing 1, the detachable cover plate 6, and the mounting base 9 are respectively composed of a silicone sheet wrapped with a soft magnetic wave-absorbing sheet. When the meter is used in summer, the rotating baffle 4 of the hollow air guide cover 3 can be rotated through the damping knob 5. The hollow air guide cover 3 guides the outgoing air into the interior of the sandwich-type anti-interference housing 1 to cool the meter main body 13. The external incoming air is discharged through the dust filter baffle 14 and the exhaust plate 7 to form a complete cooling air path. During use, it can first avoid external strong magnetic interference from affecting the meter, and avoid electromagnetic interference between wire harnesses by filtering the current. At the same time, it can guide the external low-temperature air to form a complete cooling air path inside the device, avoiding the device from overheating and affecting the use accuracy.

[0025] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only used to illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A fee meter that is resistant to strong magnetic interference, comprising a sandwich type anti-interference housing (1), characterized in that: The rear end outer surface of the sandwich type anti-interference housing (1) is provided with a U-shaped mounting fixture (2); the middle part of the rear end of the sandwich type anti-interference housing (1) is provided with a hollow air guide cover (3); the middle part of the hollow air guide cover (3) is provided with a rotating baffle (4); the outer surface of one end of the rotating baffle (4) is provided with a damping knob (5); the upper end outer surface of the sandwich type anti-interference housing (1) is provided with a detachable cover plate (6); the middle part of the upper end of the detachable cover plate (6) is provided with an exhaust plate (7); a connecting bolt (8) is provided between the sandwich type anti-interference housing (1) and the detachable cover plate (6); the lower end outer surface of the sandwich type anti-interference housing (1) is provided with a detachable cover plate (6); A mounting base (9) is provided, an embedded filter power supply (10) is provided in the middle of the upper end of the mounting base (9), a power supply connection connector (11) is provided in the middle of the upper end of the embedded filter power supply (10), an anti-interference harness (12) is provided in the middle of the lower end of the mounting base (9), a power supply and transmission connector (15) is provided on the outer surface of one end of the anti-interference harness (12), a meter body (13) is provided on the inner surface of the four sides of the sandwich anti-interference housing (1), a dust filter baffle (14) is provided in the middle of the upper end of the meter body (13), and an observation window (16) is provided in the middle of the front end of the sandwich anti-interference housing (1).

2. A fee meter that is resistant to strong magnetic interference according to claim 1, characterized in that: The rear end outer surface of the sandwich anti-interference housing (1) is fixedly connected to the front end outer surface of the U-shaped mounting fixture (2), the middle portion of the rear end of the sandwich anti-interference housing (1) is fixedly connected to the front end outer surface of the hollow air guide cover (3), and the middle portion of the hollow air guide cover (3) is movably connected to the outer wall of the rotating baffle (4).

3. A fee meter for preventing strong magnetic interference according to claim 1, characterized in that: The outer surface of one end of the rotating baffle (4) is fixedly connected to the middle of one end of the damping knob (5), and the upper outer surface of the sandwich anti-interference housing (1) is detachably connected to the lower outer surface of the detachable cover plate (6) via a connecting bolt (8).

4. A fee meter for preventing strong magnetic interference according to claim 1, characterized in that: The middle part of the upper end of the removable cover plate (6) is fixedly connected to the outer surfaces of the exhaust plate (7) on all sides, and the outer surface of the lower end of the sandwich anti-interference housing (1) is fixedly connected to the outer surface of the upper end of the mounting base (9).

5. A fee meter that is resistant to strong magnetic interference according to claim 1, characterized in that: The middle portion of the upper end of the mounting base (9) is fixedly connected to the outer surface of the lower end of the embedded filter power supply (10), and the middle portion of the upper end of the embedded filter power supply (10) is fixedly connected to the outer surface of the lower end of the power supply connection connector (11).

6. A fee meter that is resistant to strong magnetic interference according to claim 1, characterized in that: The middle part of the upper end of the mounting base (9) is detachably connected to the middle part of the lower end of the meter body (13) via a power supply connection connector (11), and the middle part of the lower end of the mounting base (9) is fixedly connected to the outer surface of the other end of the anti-interference harness (12).

7. A fee meter that is resistant to strong magnetic interference according to claim 1, characterized in that: The outer surface of one end of the anti-interference harness (12) is fixedly connected to the middle of the power supply and transmission connector (15), and the surrounding inner surfaces of the sandwich anti-interference housing (1) are detachably connected to the surrounding outer surfaces of the meter body (13).

8. A fee meter that is resistant to strong magnetic interference according to claim 1, characterized in that: The middle portion of the upper end of the meter body (13) is fixedly connected to the outer surface of the lower end of the dust filter baffle (14), and the middle portion of the front end of the sandwich anti-interference housing (1) is fixedly connected to the outer surface around the observation window (16).

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