Cooling mechanism of probe assembly for SPECT equipment

Abstract

The utility model relates to the technical field of medical instruments, in particular to a cooling mechanism of a probe assembly for SPECT equipment, which comprises a probe support, a connecting piece, a probe body, a first driving mechanism and a second driving mechanism, a cooling air duct is arranged on the probe support, and the connecting piece and the probe body are both arranged in the cooling air duct. The probe support is provided with an air supply structure used for supplying air into the cooling air duct and an air draft structure used for conducting air draft on the interior of the cooling air duct, and the connecting piece is provided with a first cooling fan used for conducting heat dissipation on the probe body. The cooling air duct and the external environment are subjected to air circulation through the air supply structure and the air draft structure, and the first heat dissipation fan is matched, so that the heat dissipation effect is good, and the probe bodies at different positions are supported to be subjected to independent heat dissipation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a cooling mechanism of a probe assembly of a SPECT device. BACKGROUND

[0002] SPECT, namely Single-Photon Emission Computed Tomography (SPECT), and PET, namely Positron Emission Tomography (PET), are two CT technologies of nuclear medicine, and they are collectively referred to as Emission Computed Tomography (ECT) because they are both imaging of gamma rays emitted from the human body.

[0003] The probe assembly of an open SPECT device and the SPECT device are disclosed in the Chinese utility model patent with the publication number CN222217849U, which includes an arc-shaped probe support, a connecting piece, a probe body, a first driving mechanism and a second driving mechanism. An arc-shaped guide rail is arranged on the probe support, the connecting piece is slidably connected with the arc-shaped guide rail through a sliding block, the probe body is rotationally arranged on the connecting piece, the first driving mechanism is used to drive the connecting piece to slide along the arc-shaped guide rail, and the second driving mechanism is used to drive the probe body to rotate. When in use, a plurality of sets of connecting pieces and a plurality of sets of probe bodies can be arranged according to needs, so that scanning and data acquisition in different directions and angles are realized through cooperation of the plurality of sets of connecting pieces and the plurality of sets of probe bodies.

[0004] However, in the above structure, a large number of electronic components are arranged on each probe body, and a certain number of electronic components are also arranged on the entire probe support to control the operation of the first driving mechanism and the second driving mechanism. In addition, each set of probe bodies can rotate, which leads to that the probe bodies are easily overheated during actual use of the above device, thereby affecting the service life of the probe bodies, and there is room for improvement. UTILITY MODEL CONTENT

[0005] In order to achieve the purpose of providing effective heat dissipation for each set of probe bodies during operation of the device, thereby ensuring the service life of the probe bodies, the present application provides a cooling mechanism of a probe assembly of a SPECT device.

[0006] The cooling mechanism of the probe assembly of the SPECT device provided by the present application adopts the following technical scheme:

[0007] The application discloses a cooling mechanism of a probe assembly of a SPECT device, which comprises a probe support, a connecting piece, a probe body, a first driving mechanism and a second driving mechanism, the probe support is provided with a cooling air duct, the connecting piece and the probe body are arranged in the cooling air duct, the probe support is provided with air feeding structure for feeding air into the cooling air duct and air exhaust structure for exhausting air in the cooling air duct, and the connecting piece is provided with a first heat dissipation fan for dissipating heat of the probe body.

[0008] By adopting the technical scheme, the circulation of the cooling air duct and the external air flow is realized through the cooperation of the air feeding structure and the air exhaust structure, so that the heat generated by the electronic components in the cooling air duct is discharged in time, and the first heat dissipation fan is further used to dissipate heat of the probe body, so that the heat dissipation effect of each probe body is effectively ensured, and the service life of the probe body is ensured.

[0009] Preferably, the air feeding structure comprises an air feeding port arranged at one end of the probe support and a second heat dissipation fan for feeding external air flow into the cooling air duct from the air feeding port, and the air exhaust structure comprises an air exhaust port arranged at the other end of the probe support and a third heat dissipation fan for exhausting air flow in the cooling air duct from the air exhaust port.

[0010] By adopting the technical scheme, the external cold air flow enters the cooling air duct from the air feeding port through the cooperation of the second heat dissipation fan and the third heat dissipation fan, so that the heat in the cooling air duct is taken away and finally discharged from the air exhaust port, so that the heat dissipation effect of the cooling air duct is ensured.

[0011] Preferably, the connecting piece is detachably connected with a mounting seat, the probe body, the first heat dissipation fan and the second driving mechanism are arranged on the mounting seat, a heat dissipation cavity is formed between the mounting seat and the connecting piece, and the heat dissipation cavity is communicated with the cooling air duct.

[0012] By adopting the technical scheme, the first heat dissipation fan is installed through the mounting seat, on one hand, the heat dissipation cavity is ensured between the probe body and the connecting piece, so that the probe body is directly cooled by the first heat dissipation fan, and the heat dissipation effect of the probe body is more effectively ensured; on the other hand, the probe body, the first heat dissipation fan and the second driving mechanism can be disassembled and replaced by disassembling the mounting seat, so that subsequent maintenance is facilitated.

[0013] Preferably, a first flow guide plate is arranged at one end of the connecting piece close to the second heat dissipation fan, and the flow guide plate is used for guiding the external air flow into the heat dissipation cavity.

[0014] By adopting the technical scheme, when in use, the external airflow flowing at the air supply opening is guided into the heat dissipation cavity by the first guide plate, so that the heat dissipation cavity is cooled, thereby ensuring the heat dissipation effect of the first heat dissipation fan.

[0015] Preferably, the air supply opening is provided with a first grille plate, and the air exhaust opening is provided with a second grille plate.

[0016] By adopting the technical scheme, when in use, the external environment is reduced to affect the second heat dissipation fan and the third heat dissipation fan by the arrangement of the first grille plate and the second grille plate, thereby ensuring the normal operation of the second heat dissipation fan and the third heat dissipation fan.

[0017] Preferably, the second grille plate is provided with a second guide plate for guiding the direction of the exhaust air.

[0018] By adopting the technical scheme, when in use, the hot air flowing at the air exhaust opening is guided away from the user by the second guide plate, which is more conducive to actual use.

[0019] Preferably, the probe support is rotatably provided with a rotating frame at one end close to the air exhaust opening, the probe support is provided with a heat dissipation air opening, the heat dissipation air opening is in communication with the cooling air duct, the third heat dissipation fan is installed on the rotating frame, the connecting piece is provided with a driving structure for driving the rotating frame to rotate, and the third heat dissipation fan is arranged towards the heat dissipation air opening after the rotating frame rotates.

[0020] By adopting the technical scheme, when in use, when the connecting piece moves close to the air exhaust opening, the rotating frame is in an initial state, and at this time, the third heat dissipation fan is towards the heat dissipation air opening, when the first driving mechanism drives the connecting piece to move close to the air supply opening, the rotating frame drives the third heat dissipation fan to rotate synchronously under the action of the driving structure, thereby reducing the distance between the third heat dissipation fan and the end of the connecting piece, and the heat in the heat dissipation cavity is directly discharged from the heat dissipation air opening, thereby ensuring the heat dissipation efficiency of the third heat dissipation fan in the heat dissipation cavity.

[0021] Preferably, the driving structure comprises a swing rod rotatably connected to the connecting piece, and one end of the swing rod away from the connecting piece is rotatably connected to the rotating frame.

[0022] By adopting the technical scheme, when in use, when the connecting piece slides, the rotating frame rotates synchronously under the cooperation of the swing rod, thereby achieving the driving of the rotating frame, which is simple and convenient to use, and does not need to increase new electrical equipment control, thereby reducing the heat output.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By the cooperation of the air supply structure and the air extraction structure, the circulating flow of the cooling air duct and the external air flow is realized, so as to ensure that the heat emitted by the electronic components in the cooling air duct is discharged in time, and the first heat dissipation fan is used to dissipate heat for the probe body alone, so that the heat dissipation effect of each probe body is effectively ensured when multiple probe bodies are arranged, thereby ensuring the service life of the probe body;

[0025] 2. By the cooperation of the mounting seat, the connecting piece and the first guide plate, the heat dissipation effect in the cooling air duct and the heat dissipation cavity is ensured, so as to reduce the temperature rising speed of the probe body during operation;

[0026] 3. By the cooperation of the rotating frame, the air outlet and the swing rod, when the connecting piece is in different positions, the heat dissipation efficiency of the connecting piece is ensured, thereby ensuring the heat dissipation effect of the probe body on the connecting piece. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the axonometric view mainly embodying the overall structure in the first embodiment of the application;

[0028] Figure 2 is the axonometric view mainly embodying the internal structure of the probe support in the first embodiment of the application;

[0029] Figure 3 is the schematic view mainly embodying the probe support structure in the first embodiment of the application;

[0030] Figure 4 is the axonometric view mainly embodying the probe body structure in the first embodiment of the application;

[0031] Figure 5 is the sectional view mainly embodying the driving structure in the second embodiment of the application;

[0032] Figure 6 is the axonometric view mainly embodying the first driving mechanism in the third embodiment of the application.

[0033] The drawings show that: 1, probe support; 11, cooling air duct; 12, rotating frame; 13, heat dissipation air outlet; 14, guide rail; 2, connecting piece; 3, probe body; 31, heat dissipation fin; 4, first driving mechanism; 41, driving screw; 42, sleeve; 43, screw motor; 5, second driving mechanism; 51, second driving motor; 52, shaft coupling; 6, air supply structure; 61, air supply outlet; 62, second heat dissipation fan; 63, first grid plate; 7, air extraction structure; 71, air extraction outlet; 72, third heat dissipation fan; 73, second grid plate; 74, second guide plate; 8, first heat dissipation fan; 9, mounting seat; 10, heat dissipation cavity; 20, first guide plate; 30, swing rod. DETAILED DESCRIPTION

[0034] The following description will be made in conjunction with the accompanying drawings Figure 1 - the accompanying drawings Figure 6 The application is described in further detail below.

[0035] The application discloses a cooling mechanism of a probe assembly of a SPECT device.

[0036] Embodiment 1

[0037] With reference to Figure 1 and Figure 2 A cooling mechanism of a probe assembly of a SPECT device comprises a probe support 1, a connecting piece 2 slidingly arranged on the probe support 1, a probe body 3 arranged on the connecting piece 2, and a first driving mechanism 4 and a second driving mechanism 5 arranged on the probe support 1, wherein the first driving mechanism 4 is used to drive the connecting piece 2 to slide on the probe support 1, and the second driving mechanism 5 is used to drive the probe body 3 to rotate, so as to adjust the orientation of the probe body 3; in use, through the cooperation of the first driving mechanism 4 and the second driving mechanism 5, the probe body 3 can be used to scan and collect data at different angles, so as to adapt to different use requirements.

[0038] With reference to Figure 1 , Figure 2 and Figure 3 In the embodiment, the probe support 1 is arranged in an L-shaped structure, and the corner of the probe support 1 is in an arc shape; an arc-shaped guide rail 14 is fixed on the probe support 1, and the connecting piece 2 is slidingly matched with the guide rail 14 through an arc-shaped sliding seat; in the embodiment, the first driving mechanism 4 comprises an arc-shaped screw rod arranged on the probe support 1 and a first driving motor installed on the connecting piece 2; in the embodiment, the first driving motor is a screw rod motor with a nut arranged inside; the arc-shaped screw rod is arranged in parallel to the guide rail 14; in use, through the cooperation of the nut inside the first driving motor and the arc-shaped screw rod, the rotary motion output by the first motor is converted into the arc line motion of the connecting piece 2 along the arc-shaped screw rod, so as to realize the purpose of driving the connecting piece 2 to slide on the probe support 1.

[0039] With reference to Figure 1 and Figure 2In the probe support 1, a cooling air duct 11 is arranged, air supply structures 6 and air exhaust structures 7 are arranged at two ends of the probe support 1 respectively, the air supply structures 6 are used for sending external air flow into the cooling air duct 11, the air exhaust structures 7 are used for exhausting air flow in the cooling air duct 11, through cooperation of the air supply structures 6 and the air exhaust structures 7, circulation of the cooling air duct 11 and external environment air can be realized, the connecting piece 2, the probe body 3, the first driving mechanism 4, the second driving mechanism 5 and electronic components of the control device are arranged in the cooling air duct 11; in use, heat generated by the electronic components during operation of the SPECT device is dissipated to the cooling air duct 11, then under the action of the air supply structures 6 and the air exhaust structures 7, external cold air is circulated into the cooling air duct 11 to air-cool and dissipate heat of the electronic components, and heat in the cooling air duct 11 is taken out, so that cooling of the whole device is realized.

[0040] With reference to Figure 1 and Figure 2 , the air supply structures 6 include air supply ports 61 arranged at one end of the probe support 1 and second heat dissipation fans 62, the second heat dissipation fans 62 are installed on the inner wall of the probe support 1, air inlets of the second heat dissipation fans 62 are arranged in alignment with the air supply ports 61, air outlets of the second heat dissipation fans 62 are arranged towards one end of the connecting piece 2, the air exhaust structures 7 include air exhaust ports 71 arranged at the other end of the probe support 1 and third heat dissipation fans 72, air inlets of the third heat dissipation fans 72 are arranged towards the other end of the connecting piece 2, air outlets of the third heat dissipation fans 72 are arranged in alignment with the air exhaust ports 71; in use, on one hand, external cold air is sent into the cooling air duct 11 along the air supply ports 61 through the second heat dissipation fans 62, on the other hand, heat in the cooling air duct 11 is exhausted through the third heat dissipation fans 72 and discharged to the external environment from the air exhaust ports 71, so that the temperature in the cooling air duct 11 is maintained.

[0041] With reference to Figure 1 and Figure 2 , in order to reduce entry of foreign matters and impurities in the external environment into the probe support 1, which affects operation of the second heat dissipation fans 62 and the third heat dissipation fans 72, first grating plates 63 are fixed at the air supply ports 61 through bolts, second grating plates 73 are fixed at the air exhaust ports 71 through bolts, so that the first grating plates 63 and the second grating plates 73 provide certain protection for the air exhaust ports 71 and the air supply ports 61.

[0042] With reference to Figure 2 and Figure 3In actual use, the concave side of the arc surface of the probe support 1 is set as the detection area, and the convex side of the arc surface of the probe support 1 is set as the unmanned area. When the second cooling fan 62 and the third cooling fan 72 are running, in order to prevent the heat in the cooling air duct 11 from flowing to the detection area when the heat is discharged from the air outlet 71 to the outside, affecting the use comfort of the patient, a second flow guide plate 74 is further arranged on the second grid plate 73. The second flow guide plate 74 is arranged obliquely, and in this embodiment, the second flow guide plate 74 is provided with a plurality of second flow guide plates 74, which are arranged one by one corresponding to the grid holes of the second grid plate 73, that is, the second flow guide plate 74 guides the airflow of the air outlet 71 to the unmanned area, thereby reducing the probability of the hot air of the air outlet 71 flowing to the detection area.

[0043] With reference to Figure 3 And Figure 4 The mounting seat 9 is detachably connected to the connecting piece 2, and the probe body 3 is rotationally connected to the mounting seat 9, and the rotation axis of the probe body 3 is parallel to the vertical direction. The second driving mechanism 5 is arranged at the bottom end of the mounting seat 9. In this embodiment, the mounting seat 9 is a C-shaped plate structure, and the second driving mechanism 5 includes a second driving motor 51 and a shaft coupling 52. The shaft coupling 52 connects the output shaft of the second driving motor 51 with the probe body 3, so that in use, the rotation of the probe body 3 is controlled by the second driving motor 51.

[0044] With reference to Figure 2 And Figure 4 In this application, the electronic components of the second driving motor 51 are arranged on the mounting seat 9. In order to achieve effective heat dissipation of the probe body 3, a first cooling fan 8 is further arranged on the mounting seat 9. The air outlet of the first cooling fan 8 is arranged towards the probe body 3, and a heat dissipation fin 31 is arranged on the probe body 3 correspondingly, so that the heat dissipation effect of the probe body 3 is ensured by the arrangement of the first cooling fan 8 and the heat dissipation fin 31. At the same time, a heat dissipation cavity 10 is further formed between the mounting seat 9 and the connecting piece 2. The heat dissipation cavity 10 is in communication with the cooling air duct 11. By arranging the heat dissipation cavity 10, the airflow circulation effect in the cooling air duct 11 is ensured, which is more conducive to ensuring the heat dissipation effect of the electronic components on the mounting seat 9 and the probe body 3.

[0045] With reference to Figure 3 And Figure 4In addition, the first guide plate 20 is arranged at the end of the connecting piece 2 facing the second heat dissipation fan 62, and the first guide plate 20 is used for guiding the flow direction of the cold air flow at the air outlet 61; in use, the cold air flow entering the air outlet 61, part of the cold air flow flows into the heat dissipation cavity 10 under the guiding action of the first guide plate 20, so as to take away the heat in the heat dissipation cavity 10, thereby cooperating with the first heat dissipation fan 8 to form effective heat dissipation for the electronic components on the mounting seat 9 and the probe body 3; another part of the cold air flow enters the cooling air duct 11, so as to dissipate heat for the overall structure in the cooling air duct 11, and further ensure the heat dissipation effect of the equipment.

[0046] The implementation principle of the embodiment of the present application is that when the SPECT device is running, the first heat dissipation fan 8, the second heat dissipation fan 62 and the third heat dissipation fan 72 are synchronously running, so that the air flow with lower temperature from the outside is sent into the cooling air duct 11 and the heat dissipation cavity 10 from the air outlet 61, and the cold air flow takes away the heat generated in the running process of the electronic components in the cooling air duct 11 and the heat dissipation cavity 10, and finally is discharged from the air outlet 71, so as to form the circulation flow of the air flow between the cooling air duct 11 and the heat dissipation cavity 10 and the outside environment, and in the circulation flow process, the purpose of dissipating heat for the overall equipment can be achieved; at the same time, the first heat dissipation fan 8 is cooperated to dissipate heat for the probe body 3 alone, and when the number of the probe bodies 3 is large, the heat dissipation effect of each probe body 3 is ensured, so as to ensure the service life of the probe body 3, and it is more beneficial to practical application.

[0047] Embodiment 2

[0048] With reference to Figure 5 The difference between the embodiment and the embodiment 1 is that the side wall of the probe support 1 close to the air outlet 71 is arranged in an arc shape, and the heat dissipation air outlet 13 is arranged on the arc surface, the heat dissipation air outlet 13 is communicated with the cooling air duct 11, the third grid plate is arranged at the heat dissipation air outlet 13, the rotating frame 12 is arranged at the end of the probe support 1 close to the air outlet 71, one end of the rotating frame 12 is hinged to the probe support 1, the other end of the rotating frame 12 is movably arranged, the third heat dissipation fan 72 is fixed on the rotating frame 12 through bolts, and the driving structure is arranged on the connecting piece 2, and the driving structure is used for driving the rotating frame 12 to rotate.

[0049] With reference to Figure 5, the driving structure comprises a swing rod 30, one end of the swing rod 30 is hinged to the connecting piece 2, and the other end of the swing rod 30 is hinged to the rotating frame 12; in use, when the connecting piece 2 as a whole approaches the air exhaust port 71, the rotating frame 12 is in an initial state, at this time, one side of the third cooling fan 72 on the rotating frame 12 faces the connecting piece 2, and the other side faces the air exhaust port 71, when the connecting piece 2 slides to the direction close to the air supply port 61 under the action of the first driving mechanism 4, under the action of the swing rod 30, the rotating frame 12 also rotates synchronously, thereby driving the third cooling fan 72 to gradually rotate and tilt, until the connecting piece 2 moves to the specified position, the third cooling fan 72 is aligned with the cooling air port 13, at this time, the third cooling fan 72 can directly discharge the heat in the cooling cavity 10 and the cooling air duct 11 from the cooling air port 13.

[0050] The implementation principle of the embodiment of the application is that: in use, in the process of scanning and data acquisition by the probe body 3, the position of the connecting piece 2 is adjusted by the first driving mechanism 4, thereby driving all the probe bodies 3 installed on the connecting piece 2 to move synchronously, and then the orientation of a single probe body 3 is adjusted by the second driving mechanism 5, so as to adapt to different use conditions; and in the movement process of the connecting piece 2, the rotating frame 12 is driven to rotate by the swing rod 30, thereby driving the third cooling fan 72 to swing synchronously, so as to ensure that the third cooling fan 72 and the end face of the connecting piece 2 facing the air exhaust port 71 are maintained at a suitable distance, and then the heat dissipation effect of the connecting piece 2 in the movement process is ensured, and the use is more convenient.

[0051] Embodiment 3

[0052] With reference to Figure 6 The difference between the embodiment and the embodiment 1 is that the first driving mechanism 4 is composed of a driving screw rod 41, a sleeve 42 and a screw rod motor 43, wherein the screw rod motor 43 is installed on the connecting piece 2, the driving screw rod 41 is coaxially fixedly connected with the output shaft of the screw rod motor 43, one end of the sleeve 42 is hinged to the probe support 1, the other end of the sleeve 42 is threadedly matched with the driving screw rod 41, and the end of the driving screw rod 41 away from the screw rod motor 43 can be inserted into the sleeve 42; in use, the driving screw rod 41 is driven to rotate by the screw rod motor 43, under the limiting and guiding action of the sleeve 42, the driving screw rod 41 is reversely pulled to slide the screw rod motor 43, and in cooperation with the use of the guide rail 14 and the sliding seat, the connecting piece 2 can be driven to slide on the probe support 1, and the whole process is simple and convenient.

[0053] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: any equivalent changes made on the basis of the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A cooling mechanism for a probe assembly of a SPECT device, characterized by: The probe support (1), the connecting piece (2), the probe body (3), the first driving mechanism (4) and the second driving mechanism (5), the probe support (1) is provided with a cooling air duct (11), the connecting piece (2) and the probe body (3) are arranged in the cooling air duct (11), the probe support (1) is provided with a air supply structure (6) for air supply to the cooling air duct (11), and the air supply structure (7) is arranged on the probe support (1) and is used for air supply to the cooling air duct (11), the connecting piece (2) is provided with a first heat dissipation fan (8) for heat dissipation of the probe body (3).

2. A cooling mechanism for a probe assembly of a SPECT device according to claim 1, characterized in that: The air supply structure (6) includes an air supply port (61) arranged at one end of the probe support (1), and a second heat dissipation fan (62) for guiding external airflow from the air supply port (61) into the cooling air duct (11), and the air supply structure (7) includes an air exhaust port (71) arranged at the other end of the probe support (1), and a third heat dissipation fan (72) for extracting airflow in the cooling air duct (11) from the air exhaust port (71).

3. A cooling mechanism for a probe assembly of a SPECT device according to claim 2, characterized in that: The connecting piece (2) is detachably connected with a mounting seat (9), the probe body (3), the first heat dissipation fan (8) and the second driving mechanism (5) are arranged on the mounting seat (9), and the mounting seat (9) and the connecting piece (2) form a heat dissipation cavity (10), and the heat dissipation cavity (10) is communicated with the cooling air duct (11).

4. A cooling mechanism for a probe assembly of a SPECT device according to claim 3, characterized in that: The connecting piece (2) is provided with a first guide plate (20) at one end close to the second heat dissipation fan (62), and the guide plate is used for guiding external airflow into the heat dissipation cavity (10).

5. The cooling mechanism of a probe assembly for a SPECT device according to claim 2, characterized in that: The air supply port (61) is provided with a first grid plate (63), and the air exhaust port (71) is provided with a second grid plate (73).

6. A cooling mechanism for a probe assembly of a SPECT device according to claim 5, characterized in that: The second grid plate (73) is provided with a second guide plate (74) for guiding the direction of the air outlet.

7. The cooling mechanism of a probe assembly for a SPECT device according to claim 2, characterized in that: The probe support (1) is rotatably provided with a rotating frame (12) at one end close to the air exhaust port (71), the probe support (1) is provided with a heat dissipation air port (13), the heat dissipation air port (13) is communicated with the cooling air duct (11), the third heat dissipation fan (72) is installed on the rotating frame (12), the connecting piece (2) is provided with a driving structure for driving the rotating frame (12) to rotate, and the third heat dissipation fan (72) is arranged towards the heat dissipation air port (13) after the rotating frame (12) rotates.

8. A cooling mechanism for a probe assembly of a SPECT device according to claim 7, characterized in that: The driving structure includes a swing rod (30) rotatably connected to the connecting piece (2), and one end of the swing rod (30) away from the connecting piece (2) is rotatably connected with the rotating frame (12).

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