Anti-collision alarm device for sample needle or reagent needle

Abstract

The invention discloses an anti-collision alarm device for a sample needle or a reagent needle, comprising: a mounting seat, a guide seat, a needle, a nut, a reset assembly, a limit plate, a sensor, a computer processing device and a power supply. The guide seat passes through the mounting seat and can move in the mounting seat in a vertical direction. The needle passes through the guide seat and is fixedly connected to the upper part of the guide seat. The lower part of the nut is screwed to the lower part of the guide seat. The inner surface of the upper part of the nut is located on the outer side of the lower outer surface of the mounting seat. The mounting seat, the guide seat and the nut form a accommodating space. The reset assembly is located in the accommodating space. The limit plate is installed on the upper part of the guide seat. The sensor is located on a circuit board. The position of the sensor corresponds to the position of the limit plate. The signal output by the sensor is affected by whether the limit plate blocks the sensor. The computer processing device processes the signal output by the sensor to determine whether the working process of the needle is normal, and then determine whether to execute the alarm program. The power supply provides power to the sensor and the computer processing device.

Description

Technical Field

[0001] The present invention relates to an anti-collision alarm device, and more specifically, to an anti-collision alarm device for a sample needle or a reagent needle of a full-automatic coagulation analyzer. Background Art

[0002] As a conventional medical testing equipment, coagulation analyzer is used to evaluate antithrombotic drugs, detect anticoagulant system and fibrinolytic system, evaluate the levels of various coagulation factors and study inhibitors.

[0003] Generally, during the detection process, a sample needle or a reagent needle is used to absorb the sample and / or the reagent to complete various detection processes. However, when the sample needle or the reagent needle absorbs the sample and / or the reagent, the sample needle or the reagent needle may not be inserted into the sample container or the reagent container due to various improper operations, and the operator may not notice the problem, so that the correct detection process cannot be completed.

[0004] Therefore, there is a need for improvement so that when an abnormality occurs in the sample needle or the reagent needle, an alarm can be promptly issued to notify relevant staff to handle the problem. Summary of the invention

[0005] The purpose of the present invention is to overcome the above-mentioned shortcomings and deficiencies of the prior art and to provide an anti-collision alarm device for a sample needle or a reagent needle.

[0006] To achieve the above-mentioned purpose, the present invention provides an anti-collision alarm device for a sample needle or a reagent needle, which includes: a mounting seat, which is a part of a mechanical arm; a guide seat, which passes through the mounting seat, the lower part of the guide seat extends out of the lower part of the mounting seat, and the upper part of the guide seat extends out of the upper part of the mounting seat, and the guide seat can move in the mounting seat along the vertical direction; a needle, which is used to absorb samples and / or reagents, the needle passes through the guide seat and is fixedly connected to the upper part of the guide seat, the lower part of the needle extends out of the lower part of the guide seat, and the upper part of the needle extends out of the upper part of the guide seat; a nut, the lower part of which is screwed with the lower part of the guide seat, and the upper inner surface of the nut is located on the outer side of the lower outer surface of the mounting seat, so that the mounting seat, the guide seat and the nut form a accommodating space; a reset group A component, which is located in the accommodating space, one end of the reset component abuts against the mounting seat, and the other end of the reset component abuts against the inside of the nut, thereby providing a reset force for the nut, the guide seat connected to the nut, and the needle connected to the guide seat after displacement under the action of an external force; a limit plate, which is installed on the upper part of the guide seat; a sensor, which is located on the circuit board, the position of the sensor corresponds to the position of the limit plate, thereby affecting the signal output by the sensor by whether the limit plate blocks the sensor; a computer processing device, which processes the signal output by the sensor, thereby determining whether the working process of the needle is normal, and then determining whether to execute the alarm program; and a power supply, which is electrically connected to the sensor and the computer processing device to provide power to the sensor and the computer processing device.

[0007] The aforementioned anti-collision alarm device for a sample needle or a reagent needle, wherein the mounting seat has a through hole, the guide seat has a through hole, the needle passes through the through hole, and the guide seat passes through the through hole, so that from inside to outside in the radial direction are the needle, the guide seat and the mounting seat respectively.

[0008] The aforementioned anti-collision alarm device for a sample needle or a reagent needle, wherein one side of the needle has a notch, one side of the guide seat has a first screw hole corresponding to the position of the notch, and a bolt passes through the notch and is screwed to the first screw hole.

[0009] The aforementioned anti-collision alarm device for a sample needle or a reagent needle, wherein one side of the mounting seat has an installation space corresponding to the position of the first screw hole of the guide seat, and the installation space can accommodate the lower part of the bolt extending from the first screw hole.

[0010] The aforementioned anti-collision alarm device for sample needles or reagent needles, wherein a mounting block is provided on one side of the first screw hole of the guide seat, the mounting block has a mounting hole, the limiting plate has a second screw hole, the mounting hole corresponds to the position of the second screw hole, and the limiting plate is fixed to the mounting block by bolt connection.

[0011] The aforementioned anti-collision alarm device for a sample needle or a reagent needle, wherein the limiting piece further has a shielding strip, and the shielding strip is used to shield the sensor.

[0012] The aforementioned anti-collision alarm device for a sample needle or a reagent needle, wherein the lower portion of the guide seat has an external thread, and the lower portion of the nut has an internal thread, and the external thread cooperates with the internal thread to fix the nut to the lower portion of the guide seat.

[0013] The aforementioned anti-collision alarm device for a sample needle or a reagent needle, wherein the sensor is an optical coupling sensor.

[0014] The aforementioned anti-collision alarm device for a sample needle or a reagent needle, wherein the reset component is a compression spring.

[0015] The aforementioned anti-collision alarm device for sample needles or reagent needles, wherein the upper part of the container for holding samples and / or reagents has an opening, and when the needle works normally, the lower part of the needle can enter the container for holding samples and / or reagents through the opening, thereby aspirating the samples and / or reagents.

[0016] The beneficial effects of the present invention are as follows: the signal output by the sensor is affected by whether the limit plate blocks the sensor, and the computer processing device processes the signal output by the sensor to determine whether the working process of the needle is normal, and then determine whether to execute the alarm program. Therefore, when the sample needle or the reagent needle is abnormal and has not been inserted into the sample container or the reagent container, the alarm program is executed and the relevant staff can be notified in time to handle it. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional appearance diagram of the anti-collision alarm device for a sample needle or a reagent needle of the present invention.

[0018] Figure 2 It is a three-dimensional appearance diagram from another viewing angle of the anti-collision alarm device for a sample needle or a reagent needle of the present invention.

[0019] Figure 3 It is an exploded schematic diagram of the anti-collision alarm device for a sample needle or a reagent needle of the present invention.

[0020] Figure 4 It is a partial cross-sectional view of the anti-collision alarm device for a sample needle or a reagent needle of the present invention.

[0021] Figure 5 It is a schematic diagram of the state of the anti-collision alarm device for a sample needle or a reagent needle of the present invention when an abnormality occurs during the working process of the needle.

[0022] Description of reference numerals:

[0023] 1 Mounting Base

[0024] 2 Guide seat

[0025] 3-pin

[0026] 4 Nut

[0027] 5 Reset components

[0028] 6 Limiting piece

[0029] 7 Sensors

[0030] 11 Through hole

[0031] 21 Through hole

[0032] 31 Notch

[0033] 12 Installation Space

[0034] 22 First screw hole

[0035] 23 Mounting Block

[0036] 231 Mounting holes

[0037] 61 Second screw hole

[0038] 62 Occlusion bar

[0039] 124 Accommodation Space

[0040] 8 Circuit boards. DETAILED DESCRIPTION

[0041] It should be understood that the drawings are not drawn to scale, but show various features that illustrate the basic principles of the invention in a slightly simplified manner. In the drawings of the present invention, the same reference numerals represent the same or equivalent parts of the present invention.

[0042] Reference will be made in detail to various embodiments of the present invention, examples of which are shown in the accompanying drawings and are described below. Although the present invention will be described in conjunction with exemplary embodiments of the present invention, it will be understood that this specification is not intended to limit the present invention to those exemplary embodiments. On the contrary, the present invention is intended to cover not only the exemplary embodiments of the present invention, but also various alternatives, modifications, equivalents and other embodiments included within the spirit and scope of the present invention as defined in the appended claims.

[0043] Hereinafter, various exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

[0044] See also Figures 1 to 5As shown, the present invention relates to an anti-collision alarm device for a sample needle or a reagent needle, comprising: a mounting seat 1, a guide seat 2, a needle 3, a nut 4, a reset assembly 5, a limit plate 6, a sensor 7, a computer processing device (not shown) and a power supply (not shown), wherein the mounting seat 1 is a part of a mechanical arm, and the movement of the mechanical arm drives the movement of the needle, so that the needle can absorb the sample and / or the reagent; the guide seat 2 passes through the mounting seat 1, the lower part of the guide seat 2 extends out of the lower part of the mounting seat 1, and the upper part of the guide seat 2 extends out of the upper part of the mounting seat 1, and the guide seat 2 can move in the mounting seat 1 along the vertical direction; the needle 3 is a sample needle or a reagent needle, used for absorbing the sample and / or the reagent, the needle 3 passes through the guide seat 2 and is fixedly connected to the upper part of the guide seat 2, the lower part of the needle 3 extends out of the lower part of the guide seat 2, and the upper part of the needle 3 extends out of the upper part of the guide seat 2; the lower part of the nut 4 is screwed to the lower part of the guide seat 2, and the upper part of the nut 4 The inner surface is located on the outer side of the lower outer surface of the mounting seat 1, so that the mounting seat 1, the guide seat 2 and the nut 4 form a accommodating space 124; the reset component 5 is located in the accommodating space 124, one end of the reset component 5 abuts against the mounting seat 1, and the other end of the reset component 5 abuts against the inside of the nut 4, thereby providing a reset force for the nut 4, the guide seat 2 connected to the nut 4, and the needle 3 connected to the guide seat 2 after displacement under the action of external force; the limit plate 6 is installed on the upper part of the guide seat 2; the sensor 7 is located on the circuit board 8, and the position of the sensor 7 corresponds to the position of the limit plate 6, so that the signal output by the sensor 7 is affected by whether the limit plate 6 blocks the sensor 7; the computer processing device processes the signal output by the sensor 7 to determine whether the working process of the needle 3 is normal, and then determines whether to execute the alarm program; the power supply is electrically connected to the sensor 7 and the computer processing device to provide power to the sensor 7 and the computer processing device.

[0045] Furthermore, the mounting seat 1 has a through hole 11, the guide seat 2 has a through hole 21, the needle 3 passes through the through hole 21, and the guide seat 2 passes through the through hole 11, so that from the inside to the outside in the radial direction are the needle 3, the guide seat 2 and the mounting seat 1 respectively, that is, the needle 3 passes through the through hole 21 of the guide seat 2, and the needle 3 and the guide seat 2 together pass through the through hole 11 of the mounting seat 1.

[0046] See also Figures 1 to 4 As shown, one side of the needle 3 has a notch 31, and one side of the guide seat 2 has a first screw hole 22 corresponding to the position of the notch 31. The bolt passes through the notch 31 and is screwed to the first screw hole 22. In one embodiment of the present invention, the notch 31 is located on the left side of the needle 3, and correspondingly, the first screw hole 22 is also located on the left side of the guide seat 2. The needle 3 and the guide seat 2 are fixed together by bolt connection, and the connection method is not limited to this and will not be repeated here, so that the needle 3 and the guide seat 2 can move together in the vertical direction in the through hole 11 of the mounting seat 1.

[0047] Furthermore, one side of the mounting seat 1 has an installation space 12 corresponding to the position of the first screw hole 22 of the guide seat 2. The installation space 12 can accommodate the lower part of the bolt extending from the first screw hole 22, thereby reducing the dimensional accuracy requirement of the length of the bolt used to connect the needle 3 and the guide seat 2.

[0048] In one embodiment of the present invention, the first screw hole 22 is located on the left side of the guide seat 2 , and correspondingly, the installation space 12 is also located on the left side of the installation seat 1 .

[0049] Furthermore, a mounting block 23 is provided on one side of the first screw hole 22 of the guide seat 2, a mounting hole 231 is provided on the mounting block 23, a second screw hole 61 is provided on the limiting plate 6, the mounting hole 231 corresponds to the position of the second screw hole 61, and the limiting plate 6 is fixed to the mounting block 23 by bolt connection. In one embodiment of the present invention, the first screw hole 22 is located on the left side of the guide seat 2, and the mounting block 23 is located on the left side of the first screw hole 22.

[0050] Specifically, the limiting piece 6 further has a shielding strip 62 , and the shielding strip 62 is used to shield the sensor 7 .

[0051] Furthermore, the lower portion of the guide seat 2 has an external thread, and the lower portion of the nut 4 has an internal thread, and the external thread cooperates with the internal thread to fix the nut 4 to the lower portion of the guide seat 2. There is a spacing between the inner surface of the nut 4 above the connection portion between the nut 4 and the guide seat 2 and the outer surface of the guide seat. The space formed by the spacing between the connection portion between the nut 4 and the guide seat 2 and the lower portion of the mounting seat 1 is the accommodating space 124, and the reset assembly 5 is located in the accommodating space 124.

[0052] Further, the sensor 7 is an optical coupling sensor, the reset assembly 5 is a compression spring, and the upper portion of the container for holding the sample and / or reagent has an opening, and when the needle 3 works normally, the lower portion of the needle 3 can enter the container for holding the sample and / or reagent through the opening, thereby sucking the sample and / or reagent. The type of the sensor 7 is not limited thereto.

[0053] The working process and principle of the anti-collision alarm device for a sample needle or a reagent needle of the present invention will be further described below.

[0054] The anti-collision alarm device for a sample needle or a reagent needle of the present invention drives the needle to move to the top of the container to be sucked liquid by the movement of the mechanical arm, and the height of the mechanical arm is lowered, thereby the height of the needle is lowered. Standard parameters and logic operation instructions, etc. are pre-set in the computer processing device. The standard parameters are the signal values ​​output by the sensor during the normal operation of the needle after multiple tests. During the process of the needle height dropping, the signal output by the sensor is continuously compared with the standard parameters. When the signal output by the sensor is consistent with the standard parameters, it indicates that the sample needle or the reagent needle is working normally, and the lowering operation is continued. The height of the needle continues to drop until the sample and / or reagent is sucked; when the signal output by the sensor is inconsistent with the standard parameters during the needle's lowering process, the lowering operation is stopped and the alarm operation is performed instead. The instrument alarms and the instrument stops running at the same time, waiting for the operator to check the cause of the fault. After the fault is eliminated, the instrument restarts working and the needle restarts the above process.

[0055] The following will further analyze and explain the situation where the signal output by the sensor is inconsistent with the standard parameters.

[0056] See also Figures 1 to 5 As shown, during the descent of the robotic arm, since the mounting seat is a part of the robotic arm, the height and the descending displacement of the mounting seat are always consistent with those of the robotic arm. When an abnormality occurs to the needle, for example, the lower part of the needle is blocked or supported, and the blocking or supporting force is greater than the elastic force of the compression spring at this time, the needle moves upward under the action of the blocking or supporting force, and the guide seat fixedly connected to the needle and the nut fixedly connected to the guide seat will also move upward together, and the limit plate fixed to the guide seat will also move upward accordingly. As the nut moves upward, the position of the mounting seat is not affected by the blocking or supporting force, and before the instruction for the descent operation is switched, the robotic arm (mounting seat) is still performing the descent operation. During this process The compression spring in the accommodating space is continuously squeezed to compress and deform it. When the relative displacement between the robot arm and the needle is greater than or equal to 1-2mm, the blocking strip of the limit plate can no longer completely block the sensor, so that the signal output by the sensor is inconsistent with the standard parameters. Then the computer processing device determines to stop the descending operation and execute the alarm operation instead. The instrument alarms and stops running at the same time, waiting for the operator to check the cause of the fault. After the fault is eliminated, that is, after the blocking or supporting problem is solved in this example, the blocking or supporting force disappears, and then the nut, the guide seat connected to the nut, and the needle connected to the guide seat return to normal under the action of the reset force of the compression spring, and the instrument starts working again.

[0057] The above descriptions of the specific exemplary embodiments of the present invention are presented for the purpose of illustration and description. They are not intended to be exhaustive or to limit the present invention to the precise form disclosed, and it is obvious that many modifications and changes can be made according to the above teachings. The selection and description of the exemplary embodiments are to explain certain principles of the present invention and their practical applications, so that those skilled in the art can make and use various exemplary embodiments of the present invention and their different alternative forms and modified forms. The scope of the present invention is intended to be limited by the appended claims and their equivalents.

Claims

1. An anti-collision alarm device for a sample needle or a reagent needle, characterized in that: include: A mounting base, which is a part of the robotic arm; A guide seat, which passes through the mounting seat, wherein the lower portion of the guide seat extends out of the lower portion of the mounting seat, and the upper portion of the guide seat extends out of the upper portion of the mounting seat, and the guide seat can move in the mounting seat along a vertical direction; A needle, which is used to absorb a sample and / or a reagent, the needle passes through the guide seat and is fixedly connected to the upper part of the guide seat, the lower part of the needle extends out of the lower part of the guide seat, and the upper part of the needle extends out of the upper part of the guide seat; A nut, the lower part of which is threadedly connected to the lower part of the guide seat, and the upper inner surface of the nut is located outside the lower outer surface of the mounting seat, so that the mounting seat, the guide seat and the nut form a receiving space; A reset component is located in the accommodating space, one end of the reset component abuts against the mounting seat, and the other end of the reset component abuts against the inside of the nut, so as to provide a reset force for the nut, the guide seat connected to the nut, and the needle connected to the guide seat after displacement under the action of an external force; A limiting piece, which is installed on the upper part of the guide seat; A sensor is located on the circuit board, wherein the position of the sensor corresponds to the position of the limiter, so that the signal output by the sensor is affected by whether the limiter blocks the sensor; A computer processing device processes the signal output by the sensor to determine whether the needle is working normally and whether to execute the alarm procedure; as well as a power source electrically connected to the sensor and the computer processing device to provide power to the sensor and the computer processing device; Wherein, one side of the mounting seat has an installation space corresponding to the position of the first screw hole of the guide seat, and the installation space can accommodate the lower part of the bolt extending from the first screw hole; A mounting block is provided on one side of the first screw hole of the guide seat, the mounting block has a mounting hole, the limiting plate has a second screw hole, the mounting hole corresponds to the position of the second screw hole, and the limiting plate is fixed to the mounting block by bolt connection; The reset component is a compression spring; The upper portion of the container for holding samples and / or reagents has an opening. When the needle works normally, the lower portion of the needle can enter the container for holding samples and / or reagents through the opening to absorb the samples and / or reagents.

2. The anti-collision alarm device for a sample needle or a reagent needle according to claim 1, characterized in that: The mounting seat has a through hole, the guide seat has a through hole, the needle passes through the through hole, and the guide seat passes through the through hole, so that from the inside to the outside in the radial direction are the needle, the guide seat and the mounting seat respectively.

3. The anti-collision alarm device for a sample needle or a reagent needle according to claim 2, characterized in that: One side of the needle is provided with a notch, one side of the guide seat is provided with a first screw hole corresponding to the position of the notch, and a bolt passes through the notch and is screwed with the first screw hole.

4. The anti-collision alarm device for a sample needle or a reagent needle according to claim 1, characterized in that: The limiting piece also has a shielding strip, and the shielding strip is used to shield the sensor.

5. The anti-collision alarm device for a sample needle or a reagent needle according to claim 4, characterized in that: The lower part of the guide seat has an external thread, and the lower part of the nut has an internal thread. The external thread cooperates with the internal thread, so that the nut is fixed to the lower part of the guide seat.

6. The anti-collision alarm device for a sample needle or a reagent needle according to claim 5, characterized in that: The sensor is an optical coupler sensor.

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