Circuit structure for portable security check X-ray machine

Abstract

The utility model discloses a circuit structure for a portable security check X-ray machine, which comprises a high-voltage circuit board arranged on the outward side of a bottom plate of an X-ray tube fixing assembly; the insulating plate is arranged on one side, far away from the X-ray tube fixing assembly, of the high-voltage circuit board; the transformer is arranged on one side, away from the high-voltage circuit board, of the insulating plate; the transformer is fixed in the middle of the edge of the insulating plate; wherein a time relay, a plurality of capacitors and a plurality of control relays are integrated on the high-voltage circuit board; the time relay is arranged at the corresponding position of the high-voltage circuit board and the transformer; the area where the time relay and the transformer are located serves as an axis area, and the capacitors and the control relays are symmetrically distributed outside the axis area corresponding to the high-voltage circuit board.

Description

TECHNICAL FIELD

[0001] The utility model relates to security check equipment technical field, concretely relates to a circuit structure for portable security check X light machine. BACKGROUND

[0002] The security check X light machine is the electronic equipment that adopts X ray scanning imaging technology to carry out safety detection to luggage, is composed of X ray generator, X ray detector, image processing system etc. portion, and judges the security of article according to scanning imaging. The X ray security check instrument belongs to low-dangerous ray device, and the radiation amount is far less than medical X light machine. The security check X light machine is mainly arranged in subway, airport, museum, government office etc. place needing security check, and is used for checking whether luggage, parcel etc. article meets safety specification.

[0003] The existing security check ray source is mainly fixed or semi-fixed oil-filled integrated X ray source, and the fixed or semi-fixed oil-filled integrated ray source generally has the defects of larger volume, heavy weight and more complex supporting equipment, cannot flexibly replace the detection site, and cannot meet the requirement of portable use. UTILITARY MODEL CONTENT

[0004] Therefore, the utility model embodiment provides a circuit structure for portable security check X light machine to solve the poor portability of the security check X light machine caused by the larger size in the prior art.

[0005] The utility model embodiment provides a circuit structure for portable security check X light machine, comprising:

[0006] The high-voltage circuit board is arranged on the outer side of the bottom plate of the X-ray tube fixing assembly.

[0007] The insulating plate is arranged on the side of the high-voltage circuit board away from the X-ray tube fixing assembly.

[0008] The transformer is arranged on the side of the insulating plate away from the high-voltage circuit board. The transformer is fixed at the middle position of the edge of the insulating plate.

[0009] The time relay, the plurality of capacitors and the plurality of control relays are integrated on the high-voltage circuit board. The time relay is arranged at the corresponding position of the high-voltage circuit board and the transformer. The region where the time relay and the transformer are located is taken as an axis region, and the plurality of capacitors and the plurality of control relays are symmetrically distributed at the positions outside the corresponding axis region of the high-voltage circuit board.

[0010] Optionally, the capacitors and the control relays are alternately arranged on the two sides of the axis region. One column of control relays is arranged in the middle of the two columns of capacitors.

[0011] Optionally, the control relays are arranged in W shape on the two surfaces of the high-voltage circuit board.

[0012] Optionally, further comprising: several rows of barriers, which are symmetrically distributed on both sides of the edge of the high-voltage circuit board along the axial region.

[0013] Optionally, the high-voltage circuit board and the insulating board are fixed on the bottom plate of the X-ray tube fixing assembly through four supporting columns.

[0014] Optionally, the transformer is electrically connected with the external power supply through the power supply wiring window on the cover plate of the portable security X-ray machine.

[0015] Optionally, the time relay is the vertex, and the two rows of capacitors close to the axial region form two sides of an acute angle.

[0016] Optionally, further comprising:

[0017] The first L-shaped insulating board is fixed on the cover plate of the portable security X-ray machine, and the second bending surface of the first L-shaped insulating board is located between one end of the X-ray tube and the X-ray tube fixing assembly.

[0018] The second L-shaped insulating board is fixed on the cover plate of the portable security X-ray machine, and the second bending surface of the second L-shaped insulating board is located between the other end of the X-ray tube and the X-ray tube fixing assembly.

[0019] Optionally, the first L-shaped insulating board and the second L-shaped insulating board are symmetrically arranged along the X-ray window.

[0020] The beneficial effects of the present application are as follows:

[0021] The embodiment provides a circuit structure for a portable security X-ray machine, the transformer is fixed on the insulating board, the high-voltage circuit board is arranged between the insulating board and the bottom plate of the X-ray tube fixing assembly, the transformer and the capacitor of the main heating device are arranged in layers and dispersedly, the size of the high-voltage circuit board is controlled in a certain range as much as possible under the premise of ensuring reliable heat dissipation, and therefore, the miniaturized design of the portable security X-ray machine is realized. BRIEF DESCRIPTION OF DRAWINGS

[0022] The features and advantages of the present application will be more clearly understood through the following detailed description with reference to the drawings, which are schematic and should not be understood as any limitation to the present application, and in which:

[0023] Figure 1 Fig. 1 shows a schematic diagram of a circuit structure for a portable security X-ray machine in an embodiment of the present application;

[0024] Figure 2 Fig. 2 shows a high-voltage circuit board one-side structure diagram of a circuit structure for a portable security X-ray machine in an embodiment of the present application;

[0025] Figure 3Another side structure diagram of the high-voltage circuit board of the circuit structure of the portable security X-ray machine is shown in the embodiment of the utility model;

[0026] Figure 4 A perspective view of the high-voltage circuit board of the circuit structure of the portable security X-ray machine is shown in the embodiment of the utility model;

[0027] Figure 5 A sectional view of the circuit structure of the portable security X-ray machine is shown in the embodiment of the utility model;

[0028] Figure 6 A structure diagram of the anti-creep electric structure of the portable security X-ray machine is shown in the embodiment of the utility model. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] As shown in Figure 1 The utility model embodiment provides a kind of circuit structure for portable security X-ray machine, including high-voltage circuit board 1, insulating plate 2 and transformer 3, wherein, high-voltage circuit board 1 is set in the bottom plate 4 of X ray tube fixed assembly towards outside side.The insulating plate 2 is set in the side of high-voltage circuit board 1 away from X ray tube fixed assembly.Transformer 3 is set in the side of insulating plate 2 away from high-voltage circuit board 1;Transformer 3 is fixed at the intermediate position of the edge of insulating plate 2.

[0031] As shown in Figure 2 Time relay 101, several capacitors 102 and several control relays 103 are integrated on high-voltage circuit board.Time relay 101 is set at the corresponding position of high-voltage circuit board and transformer;The region where time relay 101 and transformer 3 are located is regarded as axis region, and several capacitors and several control relays are symmetrically distributed at the position outside the corresponding axis region of high-voltage circuit board.

[0032] As optional implementation, capacitor, control relay are alternately arranged on the two sides of axis region;A column of control relays is set in the middle of two columns of capacitors.

[0033] In the embodiment, two capacitors 102 are arranged in a transverse stack, four groups are arranged vertically, and eight capacitors in one group form a column. Five control relays 103 are arranged in the middle, and two columns of capacitors are distributed on the left and right sides of the control relays. Each capacitor is guaranteed to have at least one side in full contact with the cooling oil, thereby ensuring the heat dissipation effect.

[0034] In the specific embodiment, the time relay 101 is the vertex, and the two columns of capacitors near the axis region form two sides of an acute angle. By dispersing the transformer and the capacitor of the main heating device as much as possible, the cooling oil can more effectively achieve the heat dissipation effect during the flow process.

[0035] As an optional implementation, the control relays are arranged in a W shape on both sides of the high-voltage circuit board.

[0036] As shown in Figure 3 and Figure 4 , the control relays are arranged in a W shape on both sides of the high-voltage circuit board, further reducing the area of the high-voltage circuit board, so that the overall size of the portable security X-ray machine can be made smaller.

[0037] As an optional implementation, it also includes: several rows of resistors 104, which are symmetrically distributed on both sides of the edge of the high-voltage circuit board along the axis region.

[0038] As shown in Figure 2 , the resistors are arranged at the outer edge of the high-voltage circuit board, and are slightly separated from the capacitors by a certain space to ensure the heat dissipation of the capacitors and the resistors.

[0039] As shown in Figure 1 , the high-voltage circuit board and the insulating board are fixed to the bottom plate of the X-ray tube fixing assembly by four supporting columns 5.

[0040] In the embodiment, a double-pass stud is used to achieve the fixed connection between the high-voltage circuit board and the insulating board and the bottom plate of the X-ray tube fixing assembly.

[0041] As shown in Figure 5 , the transformer is electrically connected to the external power supply through the power supply wiring window 11 on the cover plate of the portable security X-ray machine.

[0042] As an optional implementation, as shown in Figure 6 , it also includes: a first L-shaped insulating board 701, whose first bent surface is fixed to the cover plate of the portable security X-ray machine, and the second bent surface of the first L-shaped insulating board is located between one end of the X-ray tube 8 and the X-ray tube fixing assembly. A second L-shaped insulating board 702, whose first bent surface is fixed to the cover plate of the portable security X-ray machine, and the second bent surface of the second L-shaped insulating board is located between the other end of the X-ray tube and the X-ray tube fixing assembly; wherein the first L-shaped insulating board and the second L-shaped insulating board are symmetrically arranged along the X-ray window 12.

[0043] In the embodiment, the X-ray tube 8 is fixed on the bottom plate 4 of the X-ray tube fixing assembly by the fixing mounting 9, the X-ray tube fixing assembly is a metal shielding member, in order to prevent the X-ray tube from creeping during operation, the two ends of the X-ray tube 8 are provided with insulating plates.

[0044] In the embodiment, the X-ray tube fixing assembly is a box body, including an upper end cover 10, the upper end cover is fixed on the cover plate 6 of the portable security X-ray machine, therefore one bending surface of the two L-shaped insulating plates is fixed on the inner side of the upper end cover 10 of the X-ray tube fixing assembly, as shown in the figure. Figure 5 In the embodiment, one end of the first bending surface of the L-shaped insulating plate is located at one side of the X-ray window 12, the other end of the first bending surface of the L-shaped insulating plate is close to the side plate of the upper end cover of the X-ray tube fixing assembly, the second bending surface of the L-shaped insulating plate is slightly shorter than the height of the side plate of the upper end cover, but needs to cover the area where the X-ray tube may creep.

[0045] The embodiment provides a circuit structure for the portable security X-ray machine, the transformer is fixed on the insulating plate, the high-voltage circuit board is arranged between the insulating plate and the bottom plate of the X-ray tube fixing assembly, by layering and dispersing the transformer and the capacitor which are main heat generating devices, the size of the high-voltage circuit board is controlled in a certain range as far as possible under the premise of ensuring reliable heat dissipation, so that the miniaturization design of the portable security X-ray machine is realized.

[0046] Although the embodiments of the utility model are described in combination with the drawings, various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A circuit structure for a portable security X-ray machine, characterized by, The utility model relates to a portable security X-ray machine X-ray tube fixing assembly, which comprises: a high-voltage circuit board arranged on the outward side of the bottom plate of the X-ray tube fixing assembly; an insulating plate arranged on the side of the high-voltage circuit board away from the X-ray tube fixing assembly; a transformer arranged on the side of the insulating plate away from the high-voltage circuit board; the transformer is fixed at the middle position of the edge of the insulating plate; wherein the high-voltage circuit board is integrated with a time relay, a plurality of capacitors and a plurality of control relays; the time relay is arranged at the corresponding position of the high-voltage circuit board and the transformer; the region where the time relay and the transformer are located is taken as an axis region, and the plurality of capacitors and the plurality of control relays are symmetrically distributed at the positions outside the axis region corresponding to the high-voltage circuit board.

2. The circuit structure for portable security X-ray machine according to claim 1, wherein, The capacitors and the control relays are alternately arranged on the two sides of the axis region; one column of control relays is arranged in the middle of two columns of capacitors.

3. The circuit structure for portable security X-ray machine according to claim 2, wherein, The control relays are arranged in a W shape on the two surfaces of the high-voltage circuit board.

4. The circuit structure for portable security X-ray machine according to claim 1, wherein, Further comprising: a plurality of rows of resistors symmetrically distributed on the two sides of the edge of the high-voltage circuit board along the axis region.

5. The circuit structure for portable security X-ray machine according to claim 1, wherein, The high-voltage circuit board and the insulating plate are fixed on the bottom plate of the X-ray tube fixing assembly through four supporting columns.

6. The circuit structure for portable security X-ray machine according to claim 1, wherein, The transformer is electrically connected with the external power supply through the power supply wiring window on the cover plate of the portable security X-ray machine.

7. The circuit structure for portable security X-ray machine according to claim 2, wherein, With the time relay as the vertex, the two columns of capacitors close to the axis region form two sides of an acute angle.

8. The circuit structure for portable security X-ray machine according to claim 1, wherein, Further comprising: a first L-shaped insulating plate, whose first bent surface is fixed on the cover plate of the portable security X-ray machine, and whose second bent surface is located between one end of the X-ray tube and the X-ray tube fixing assembly; a second L-shaped insulating plate, whose first bent surface is fixed on the cover plate of the portable security X-ray machine, and whose second bent surface is located between the other end of the X-ray tube and the X-ray tube fixing assembly; wherein the first L-shaped insulating plate and the second L-shaped insulating plate are symmetrically arranged along the X-ray window.

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