CN210871640U - SPECT probe position limiting protection system - Google Patents
SPECT probe position limiting protection system Download PDFInfo
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- CN210871640U CN210871640U CN201921354539.1U CN201921354539U CN210871640U CN 210871640 U CN210871640 U CN 210871640U CN 201921354539 U CN201921354539 U CN 201921354539U CN 210871640 U CN210871640 U CN 210871640U
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- travel switch
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- hard
- translation seat
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Abstract
The utility model discloses a SPECT probe position limit protection system, which comprises a frame, wherein the top of the frame is fixedly connected with a hard limit travel switch, the top of the hard limit travel switch is provided with a soft limit travel switch, the soft limit travel switch is meshed with a translation seat, one side of the translation seat, which is far away from the soft limit travel switch, is provided with a limit assembly block, one side of the limit assembly block, which is far away from the translation seat, is provided with a mechanical limit block, the movement of the translation seat is ensured not to exceed the limit of the maximum travel through the arrangement of the hard limit travel switch, the translation seat, the limit assembly block, the mechanical limit block, a first fixture block, a second fixture block and a clamping groove in a matched use manner, the problem that the equipment is easy to fail due to the lack of other protection mechanisms when the soft and hard limit fails is solved when the existing SPECT probe is used, the whole is convenient for users to use, and the practicability of the SPECT probe is improved.
Description
Technical Field
The utility model relates to a medical imaging instrument technical field specifically is the spacing protection system in SPECT probe position.
Background
The SPECT probe is a gamma ray detection device and consists of a collimator, a scintillation crystal (a scintillation substance for detecting gamma photons), a photomultiplier tube (a photoelectric conversion device) and a front-end electronic circuit, wherein the collimator limits the incidence direction of gamma rays, and only gamma rays of which the incidence direction meets certain conditions can enter from the front end face of the scintillation crystal and irradiate on the scintillation crystal; the function of the scintillation crystal is to convert the gamma ray into fluorescence which can be detected by a subsequent photomultiplier tube; the scintillation crystal is followed by a photomultiplier matrix or a position sensitive photomultiplier, which is particularly sensitive to the fluorescence emitted by the scintillation crystal and realizes the conversion from the fluorescence to electrons and the amplification of electronic signals through photoelectric conversion and electron multiplication; the front-end electronic circuit supplies power to the photomultiplier tube and further amplifies the output of the photomultiplier tube, and the incident position of gamma rays can be calculated according to the output of the photomultiplier tube.
When the conventional SPECT probe is used, the movement of the translation seat is not beyond the limit of the maximum stroke due to the fact that the conventional translation seat is limited by software or hardware in a movement limiting mode, but when the software and hardware limit fails, equipment failure is easily caused due to the lack of other protection mechanisms, and therefore a SPECT probe position limiting protection system is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spacing protection system in SPECT probe position to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: SPECT probe position limit protection system, which comprises a frame, the hard limit travel switch of top fixedly connected with of frame, hard limit travel switch's top is provided with soft limit travel switch, soft limit travel switch meshing is connected with the translation seat, one side that soft limit travel switch was kept away from to the translation seat is provided with spacing dress piece, one side that translation seat was kept away from to spacing dress piece is provided with mechanical stopper.
As further preferable in the present technical solution: the bottom of the limiting block is fixedly connected with the bottom of the rack through a fixing bolt, and one side of the mechanical limiting block is fixedly connected with the outer side of the rack through a fixing bolt.
As further preferable in the present technical solution: one side of the hard limit travel switch is provided with a first clamping block, and one side of the soft limit travel switch is provided with a second clamping block.
As further preferable in the present technical solution: and a clamping groove matched with the first clamping block and the second clamping block for use is formed in one side, close to the first clamping block and the second clamping block, of the translation seat.
As further preferable in the present technical solution: the output end of the soft limit travel switch is electrically connected with the input end of the hard limit travel switch, and the output end of the hard limit travel switch is electrically connected with the input end of the mechanical limit block.
As further preferable in the present technical solution: the hard limit travel switch and the soft limit travel switch are both in a cuboid shape.
Compared with the prior art, the beneficial effects of the utility model are that:
the method has the advantages that through the arrangement of the hard limit travel switch, the soft limit travel switch, the translation seat, the limit installing block, the mechanical limit block, the first fixture block, the second fixture block and the clamping groove, the problem that the movement of the translation seat is not beyond the limit of the maximum travel due to the fact that the traditional translation seat movement limit mode is achieved through software limit or hardware limit in the use process of the conventional SPECT probe is solved, but when the soft limit and the hard limit fail, due to the lack of other protection mechanisms, the device is easy to fail is solved, the use of a user is facilitated, and the practicability of the SPECT probe is improved;
two, through setting up hard limit travel switch, when soft limit travel switch became invalid, the translation seat continued the forward motion, triggered hard limit travel switch, thereby equipment just cuts off the power supply and prevents the translation seat to continue the forward motion, thereby avoids equipment to become invalid, through mechanical stopper, after soft limit travel switch all became invalid with hard limit travel switch, stops the continuation forward motion of equipment through mechanical stopper, thereby avoids equipment to become invalid.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
fig. 4 is an enlarged schematic view of the area a in fig. 1 according to the present invention.
In the figure: 1. a frame; 2. a hard limit travel switch; 3. a soft limit travel switch; 4. a translation seat; 5. limiting and mounting a block; 6. a mechanical stop block; 7. a first clamping block; 8. a second fixture block; 9. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b):
referring to fig. 1-4, the present invention provides a technical solution: the SPECT probe position limiting protection system comprises a rack 1, wherein a hard limiting travel switch 2 is fixedly connected to the top of the rack 1, when a soft limiting travel switch 3 fails, a translation seat 4 continues to move forwards to trigger the hard limiting travel switch 2, equipment is powered off to prevent the translation seat 4 from continuing to move forwards, and therefore the equipment is prevented from failing, a first clamping block 7 is arranged on one side of the hard limiting travel switch 2, the soft limiting travel switch 3 is arranged on the top of the hard limiting travel switch 2, a second clamping block 8 is arranged on one side of the soft limiting travel switch 3, the output end of the soft limiting travel switch 3 is electrically connected with the input end of the hard limiting travel switch 2, the hard limiting travel switch 2 and the soft limiting travel switch 3 are both in a cuboid shape, and the soft limiting travel switch 3 is meshed with the translation seat 4, the automatic limiting device is characterized in that a clamping groove 9 matched with the first clamping block 7 and the second clamping block 8 for use is formed in one side, close to the first clamping block 7 and the second clamping block 8, of the translation seat 4, a limiting installing block 5 is arranged on one side, far away from the soft limiting travel switch 3, of the translation seat 4, the bottom of the limiting installing block 5 is fixedly connected with the bottom of the rack 1 through a fixing bolt, a mechanical limiting block 6 is arranged on one side, far away from the translation seat 4, of the limiting installing block 5, after the soft limiting travel switch 3 and the hard limiting travel switch 2 are all out of work, the mechanical limiting block 6 is used for preventing the equipment from continuing to move forwards, so that the equipment is prevented from losing work, the output end of the hard limiting travel switch 2 is electrically connected with the input end of the mechanical limiting block 6, one side of the mechanical limiting block 6 is fixedly connected with the outer side of the rack, Soft limit travel switch 3, translation seat 4, spacing dress piece 5, mechanical stopper 6, first fixture block 7, cooperation between second fixture block 8 and the draw-in groove 9 is used, current SPECT probe in the use has been solved, because traditional translation seat removes spacing mode and is spacing to guarantee through software that the motion of translation seat is no longer than the limit of maximum stroke, but when the spacing inefficacy of soft or hard, owing to lack other protection mechanism, cause the problem of equipment failure easily, user's use has been made things convenient for, the practicality of SPECT probe has been improved.
Theory of operation or structure, when using, at first carry on spacingly through soft limit travel switch 3 to the displacement of translation seat 4, when soft limit travel switch 3 became invalid, translation seat 4 continues the forward motion, through triggering hard limit travel switch 2, thereby equipment still can cut off the power supply by oneself and prevent translation seat 4 to continue the forward motion, avoid equipment to become invalid, after soft limit travel switch 3 and hard limit travel switch 2 all became invalid, can still prevent continuation forward motion of equipment through mechanical stopper 6, avoid equipment to become invalid, thereby can reach and carry out fine protection to the device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
- SPECT probe position limiting protection system, including frame (1), its characterized in that: the hard limiting travel switch (2) of top fixedly connected with of frame (1), the top of hard limiting travel switch (2) is provided with soft limiting travel switch (3), soft limiting travel switch (3) meshing is connected with translation seat (4), one side that soft limiting travel switch (3) were kept away from in translation seat (4) is provided with spacing dress piece (5), one side that translation seat (4) were kept away from in spacing dress piece (5) is provided with mechanical stopper (6).
- 2. The SPECT probe position limit protection system of claim 1, wherein: the bottom of the limiting block (5) is fixedly connected with the bottom of the rack (1) through a fixing bolt, and one side of the mechanical limiting block (6) is fixedly connected with the outer side of the rack (1) through a fixing bolt.
- 3. The SPECT probe position limit protection system of claim 1, wherein: one side of the hard limit travel switch (2) is provided with a first clamping block (7), and one side of the soft limit travel switch (3) is provided with a second clamping block (8).
- 4. The SPECT probe position limit protection system of claim 3, wherein: and a clamping groove (9) matched with the first clamping block (7) and the second clamping block (8) for use is formed in one side, close to the first clamping block (7) and the second clamping block (8), of the translation seat (4).
- 5. The SPECT probe position limit protection system of claim 1, wherein: the output end of the soft limit travel switch (3) is electrically connected with the input end of the hard limit travel switch (2), and the output end of the hard limit travel switch (2) is electrically connected with the input end of the mechanical limit block (6).
- 6. The SPECT probe position limit protection system of claim 1, wherein: the hard limit travel switch (2) and the soft limit travel switch (3) are both cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354539.1U CN210871640U (en) | 2019-08-20 | 2019-08-20 | SPECT probe position limiting protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354539.1U CN210871640U (en) | 2019-08-20 | 2019-08-20 | SPECT probe position limiting protection system |
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| Publication Number | Publication Date |
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| CN210871640U true CN210871640U (en) | 2020-06-30 |
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| CN201921354539.1U Active CN210871640U (en) | 2019-08-20 | 2019-08-20 | SPECT probe position limiting protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914595A (en) * | 2021-04-10 | 2021-06-08 | 上海健康医学院 | SPECT probe position limiting protection device |
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2019
- 2019-08-20 CN CN201921354539.1U patent/CN210871640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914595A (en) * | 2021-04-10 | 2021-06-08 | 上海健康医学院 | SPECT probe position limiting protection device |
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